Patent Publication Number: US-2023164069-A1

Title: Router

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
     This application claims priority to Chinese Patent Application No. 202010450780.5, filed with the China National Intellectual Property Administration on May 25, 2020 and entitled “ROUTER”, which is incorporated by reference herein in its entirety. 
     TECHNICAL FIELD 
     This application relates to the technical field of terminal devices, and in particular, to a router. 
     BACKGROUND 
     A router is a hardware device connecting two or more networks, which is used as a gateway between the networks. The router is a specialized intelligent network device reading an address in each data packet and then deciding how to transmit the address. 
     In the conventional technology, the router includes a housing and an antenna connected to one end of the housing. A rotary shaft seat is disposed on one end of the housing. A shaft pin is inserted through the rotary shaft seat. One end of the antenna is sleeved on the shaft pin to realize hinged connection to the housing. A cable in the housing connected to a circuit board is electrically connected to an interior of the antenna through a threading hole on the rotary shaft seat, so as to realize normal transmission of an electrical signal between the circuit board and the antenna. 
     SUMMARY 
     This application provides a router. A rotary shaft seat of the router is invisible when viewed from a front of the router. 
     In one aspect, this application provides a router, including a housing, at least one rotary shaft seat, and at least one antenna. The rotary shaft seat is disposed on one end of the housing. A shaft pin is inserted through the rotary shaft seat. One end of the antenna is movably sleeved on the shaft pin, and an other end of the antenna is located on a side of a front of the housing. A shielding portion extends from an end of the housing where the rotary shaft seat is disposed. The shielding portion and the housing are integrally formed as a whole. The rotary shaft seat faces a side of a back of the housing. An end of the shielding portion away from the housing extends to at least a side of the rotary shaft seat away from the housing. 
     In this application, the shielding portion extends outward from the end of the housing where the rotary shaft seat is disposed, the rotary shaft seat is disposed on a side of the shielding portion facing the back of the housing, and the end of the shielding portion away from the housing extends to at least the side of the rotary shaft seat away from the housing. Therefore, a front of the rotary shaft seat is shielded by the shielding portion. In addition, the rotary shaft seat is disposed on an inner side of the shielding portion. In this way, external debris such as dust is prevented from entering a threading hole in the rotary shaft seat from the front of the router, thereby preventing contamination or damage to a cable in the rotary shaft seat. 
     Optionally, the router further includes two ribs disposed opposite to each other. The two ribs respectively extend from two ends of the shielding portion toward a side where the rotary shaft seat is disposed. The ribs shield at least the shaft pin on two sides of the rotary shaft seat. 
     In this application, the ribs are disposed at the two ends of the shielding portion and shield at least the shaft pin on the two sides of the housing. In this way, a user cannot see the shaft pin from the side of the router, thereby further improving an aesthetic degree of an appearance of the router. 
     Optionally, a plurality of antennas are disposed. The plurality of antennas are spaced apart from each other in a first extending direction of the housing. Each of the antennas is connected to the housing by using the corresponding rotary shaft seat. In this way, it can be ensured that each antenna can be stably rotated around the rotary shaft seat and can be stably switched between a stored state and a used state. 
     Optionally, the antenna includes an antenna body and two hangers bent from one end of the antenna body to a direction of the rotary shaft seat. The two hangers are respectively sleeved on the shaft pin on the two ends of the rotary shaft seat. An avoidance opening is formed between each of the hangers and the antenna body. The avoidance opening is configured for the antenna body to avoid the shielding portion in a case that the antenna body rotates toward a surface of the housing. Therefore, the antenna is not affected by the shielding portion when during rotation around the rotary shaft seat. In this way, it can be ensured that the antenna body of the antenna can be stably rotated to the outer surface of the housing, thereby achieving effective storing of the antenna. 
     Optionally, the antenna further includes a transition portion connected between the hangers and the antenna body. The hangers and the antenna body are located on a same side of the transition portion. The hangers, the transition portion, and an inner wall of the antenna body form the avoidance opening. A distance between the hangers and the antenna body is greater than or equal to a thickness of the shielding portion. 
     In this application, the transition portion is disposed between the hangers and the antenna body, and the hangers and the antenna body are disposed on the same side of the transition portion. That is to say, the hangers are disposed at a hook end of the antenna. In this way, during rotation of an end of the antenna away from the rotary shaft seat toward the housing, the shielding portion gradually extends into the avoidance opening between the hangers and the antenna body, until the antenna body of the antenna is rotated to an upper surface of the housing. By means of the above arrangement, the antenna is not be affected by the shielding portion in an entire storing process, and the hangers can be stably sleeved on the shaft pin on the two ends of the rotary shaft seat during the rotation of the antenna, thereby ensuring stable connection between the antenna and the housing. In addition, the hangers and the antenna body are disposed on the same side of the transition portion. Therefore, a size of a connecting end of the antenna in a width direction is further reduced, thereby reducing a size of the router. Moreover, when distances between the hangers and the antenna body are equal to the thickness of the shielding portion, the avoidance opening between the hangers and the antenna body can cause the shielding portion to be effectively avoided, and the size of the antenna in the width direction is reduced. Therefore, a width of the router in the used state is reduced. In addition, an excessively large height of the router caused by an excessively large distance between the antenna and the upper surface of the housing when the antenna is stored above the housing is avoided. In this way, the router can be stored more effectively. 
     Optionally, the antenna further includes a first reinforcing member. Two ends of the first reinforcing member are respectively connected to inner surfaces of the two hangers. A first threading hole is formed on the rotary shaft seat, and a second threading hole is formed on the first reinforcing member. The second threading hole is in communication with the first threading hole and an antenna cavity of the antenna body. The antenna further includes a second reinforcing member. Two ends of the second reinforcing member are respectively connected to sides of the two hangers close to the antenna body. An end of the first reinforcing member close to the antenna body is connected to the second reinforcing member. 
     In this application, the first reinforcing member and the second reinforcing member are disposed between the inner surfaces of the two hangers to enhance structural strength of the two hangers. For example, when the hangers are disposed on the hook end of the antenna, the two hangers are independent of each other. Since the first reinforcing member is disposed, stability of the mechanical structures of the two hangers is improved, and it is ensured that the two hangers can be stably sleeved on the shaft pin on the two sides of the rotary shaft seat. In this way, stable connection is achieved between the antenna and the shaft pin. In addition, the second threading hole is formed in the first reinforcing member. In this way, the cable extending through the first threading hole in the rotary shaft seat can enter the antenna cavity of the antenna body through the second threading hole, thereby achieving effective feeding for the antenna body. Moreover, an end of the first reinforcing member close to the antenna body is connected to the second reinforcing member. In this way, structural strength of the first reinforcing member and the second reinforcing member is increased, thereby further improving the structural stability of the hangers on the two sides of the first reinforcing member and the second reinforcing member. 
     Optionally, the router further includes an antenna bottom cover. A connecting wall extends from a bottom of each of the two hangers away from the hangers. A blocking wall extends downward from a side wall of the antenna body facing away from the hangers. The two connecting walls, the first reinforcing member, and the blocking wall form a wiring groove. The second threading hole is brought into communication with the antenna cavity of the antenna body through the wiring groove. The antenna bottom cover is disposed at an opening of the wiring groove. 
     In this application, the antenna bottom cover is disposed on the wiring groove at the bottom of the antenna to seal a bottom opening of the wiring groove. In this way, the cable in the wiring groove is shielded, so that the aesthetic degree of the appearance of the router is improved. In addition, dust or oil on a desktop is prevented from entering the wiring groove and causing contamination or even damage to the cable. 
     Optionally, a first sliding groove is formed on an inner wall of each of the two connecting walls. The first sliding groove extends from an end of the connecting wall away from the blocking wall toward the blocking wall. A first sliding rail matching the first sliding groove is formed on a side wall of the antenna bottom cover. The first sliding rail is stored in the first sliding groove. In this way, the antenna bottom cover can be conveniently inserted between the two connecting walls, thereby improving assembly efficiency of the antenna bottom cover. In addition, since the first sliding rail is snapped in the first sliding groove, the antenna bottom cover is prevented from moving in an extending direction at a specific angle to the first sliding rail, thereby improving assembly stability of the antenna bottom cover in the wiring groove. 
     Optionally, a slot is further formed on the inner wall of each connecting wall, and a snap matching the slot is disposed on the side wall of the antenna bottom cover. The snap is snapped in the slot. A protrusion is disposed on an end of the first sliding groove close to the blocking wall. The slot is a recess formed between the protrusion and the blocking wall. The snap is disposed in an extending direction of the first sliding rail. A gap configured for the protrusion to be snapped in is formed between the snap and the first sliding rail. A width of the gap along the extending direction of the first sliding rail is equal to a width of the protrusion. 
     In this application, the snap is disposed in the extending direction of the first sliding rail, and the slot is disposed in an extending direction of the first sliding groove. In this way, when the snap is snapped into the recess between the protrusion and the blocking wall, the antenna bottom cover is prevented from moving in the extending direction of the first sliding rail. In addition, the width of the gap along the extending direction of the first sliding rail is caused to be equal to the width of the protrusion. In this way, the antenna bottom cover is further prevented from moving in the extending direction of the first sliding groove. 
     Optionally, at least part of a surface of an end of the snap away from the first sliding rail is configured as an inclined surface, and the inclined surface faces the end away from the first sliding rail. Therefore, the snap can conveniently span the protrusion on one end of the first sliding groove to be snapped into the recess between the protrusion and the blocking wall, thereby improving the efficiency of assembling the antenna bottom cover and the antenna. 
     Optionally, a second sliding groove is further formed on the inner wall of each of the two connecting walls. The second sliding groove extends from the end of the connecting wall away from the blocking wall to the blocking wall. The second sliding groove is spaced apart from the first sliding groove. A second sliding rail matching the second sliding groove is formed on the side wall of the antenna bottom cover. The second sliding rail is embedded in the second sliding groove. The second sliding rail is configured as an outer edge portion extending outward from a bottom of the antenna bottom cover. 
     In this application, the second sliding rail and the second sliding groove are respectively disposed on the side wall of the antenna bottom cover and the inner wall of the connecting wall, so as to further improve the efficiency of assembling the antenna bottom cover and the antenna and ensure stability of the antenna bottom cover in an extending direction perpendicular to the second sliding rail. In addition, the second sliding rail is used as the outer edge portion of the antenna bottom cover. Therefore, a groove wall of the second sliding groove close to a bottom end of the connecting wall can effectively block the outer edge portion, thereby protecting the outer edge portion. 
     Optionally, a first limiting portion and a second limiting portion are disposed on a side of the rotary shaft seat facing the hangers. The first limiting portion is configured to prevent the antenna at a used position from rotating around the shaft pin, so that the antenna does not shake in the used state, thereby ensuring that a signal transmitted by the antenna is more stable. In addition, the first limiting portion that is disposed can further fix the antenna during the rotation of the antenna. That is to say, as long as the hangers of the antenna are rotated to the first limiting portions, the antenna can be ensured to be at the used position. The second limiting portion is configured to prevent the antenna at a stored position from rotating around the shaft pin, so that the antenna can be stably stored on the upper surface of the housing without shaking. The first limiting portion includes a first groove formed on the rotary shaft seat, and the second limiting portion includes a second groove formed on the rotary shaft seat. The first groove and the second groove both extend in a radial direction of the rotary shaft seat. A preset included angle exists between the first groove and the second groove. A protruding portion is formed on a side of each of the two hangers facing the rotary shaft seat. The protruding portion extends into the first groove when the antenna is at the used position, and the protruding portion extends into the second groove when the antenna is at the stored position. The first limiting portion and the second limiting portion are configured as groove structures, and the protruding portions matching the grooves are respectively disposed on the inner walls of the hangers. In this way, the antenna in the used state or the stored state is stabilized, and the structures of the first limiting portion and the second limiting portion are simplified, thereby improving manufacturing and assembly efficiency of the router in this application. In addition, two ends of each of the first groove and the second groove respectively extend to an outer edge of the rotary shaft seat, and two ends of the protruding portion extend to an outer edge of the hanger. In this way, contact areas between the protruding portions of the hangers and the grooves on the rotary shaft seat are increased, so that the hangers can be stabilized in an entire radial direction, thereby improving the stability of the antenna in the used state and the stored state. 
     Optionally, the housing includes a lower cover and an upper cover disposed on the lower cover. The upper cover and the lower cover form an accommodating cavity of the housing. The shielding portion is disposed on the upper cover. 
    
    
     
       BRIEF DESCRIPTION OF DRAWINGS 
         FIG.  1    is a schematic front view of a router in a working state according to an embodiment of this application; 
         FIG.  2    is a schematic side view of the router in the working state according to an embodiment of this application; 
         FIG.  3    is an exploded view of  FIG.  2   ; 
         FIG.  4    is a partially enlarged view of I in  FIG.  2   ; 
         FIG.  5    is a schematic structural diagram of a rotary shaft seat in  FIG.  2   ; 
         FIG.  6    is an assembled diagram of the rotary shaft seat in  FIG.  2    and an antenna; 
         FIG.  7    is a schematic structural diagram of the antenna in  FIG.  6   ; 
         FIG.  8    is a partially enlarged view of II in  FIG.  7   ; 
         FIG.  9    is a schematic structural diagram of the router in a stored state according to an embodiment of this application; 
         FIG.  10    is a rear view of  FIG.  1   ; 
         FIG.  11    is a cross-sectional view taken along line A-A in  FIG.  10   ; 
         FIG.  12    is a partially enlarged view of  FIG.  11   ; 
         FIG.  13    is an assembled diagram of the antenna in  FIG.  10    and an antenna bottom cover; 
         FIG.  14    is an exploded view of  FIG.  13   ; 
         FIG.  15    is a partial schematic structural diagram of the antenna in  FIG.  14   ; 
         FIG.  16    is a schematic structural diagram of the antenna bottom cover in  FIG.  14   ; and 
         FIG.  17    is a rotated cross-sectional view of  FIG.  13   . 
     
    
    
     DESCRIPTIONS OF REFERENCE NUMERALS 
       100 —Router; 
       10 —Housing;  20 —Antenna;  30 —Rotary shaft seat;  40 —Shaft pin;  50 —Shielding portion;  60 —Rib;  70 —Antenna bottom cover; 
       11 —Upper cover;  12 —Lower cover;  21 —Antenna body;  22 —Hanger;  23 —Transition portion;  24 —Avoidance opening;  25 —First reinforcing member;  26 —Second reinforcing member;  27 —Connecting wall;  28 —Blocking wall;  29 —Wiring groove;  31 —First threading hole;  32 —First limiting portion;  33 —Second limiting portion;  71 —First sliding rail;  72 —Snap;  73 —Second sliding rail; 
       111 —Extended plate;  211 —Antenna cavity;  221 —Mounting hole;  222 —Protruding portion;  251 —Second threading hole;  271 —First sliding groove;  272 —Protrusion;  273 —Second sliding groove;  274 —Protruding strip;  275 —Slot. 
     DESCRIPTION OF EMBODIMENTS 
     Terms used in implementations of this application are merely intended to explain specific embodiments of this application rather than limit this application. 
     Generally, a router includes a housing and an antenna connected to one end of the housing. The antenna is hinged to one end of the housing for storing. Specifically, a rotary shaft seat is fixed on one end of the housing. A shaft pin is disposed on the rotary shaft seat. One end of the antenna is movably sleeved on the rotary shaft seat. In this way, the antenna can be rotated around the shaft pin. When the router is working, one end of the antenna away from the shaft pin may be rotated away from the housing. For example, the antenna is rotated to a position at a right angle to an upper surface of the housing. When the router is in a non-working state, the end of the antenna away from the shaft pin may be rotated to the housing to store the antenna. 
     During designing of a conventional router, the rotary shaft seat is exposed outside the housing and the antenna, and a user can see the rotary shaft seat from a conventional viewing angle (from a front of the router). As a result, the appearance of the entire router is affected, thus degrading user experience. 
     To resolve the above problem, in the embodiments of this application, a shielding portion extends outward from the end of the housing where the rotary shaft seat is disposed, and the rotary shaft seat is disposed on an inner side of the shielding portion. Therefore, a front of the rotary shaft seat is shielded by the shielding portion. In this way, the rotary shaft seat is invisible in the conventional viewing angle, that is, a viewing angle from the front of the router, thereby improving an aesthetic degree of an appearance of the entire router. 
     A structure of the router in the embodiments of this application is described in detail below. 
       FIG.  1    is a schematic front view of a router in a working state according to an embodiment of this application.  FIG.  2    is a schematic side view of the router in the working state according to an embodiment of this application.  FIG.  3    is an exploded view of  FIG.  2   .  FIG.  4    is a partially enlarged view of I in  FIG.  2   . 
     Referring to  FIG.  1   , an embodiment of this application provides a router  100 . The router may include a housing  10 , at least one rotary shaft seat  30  (referring to  FIG.  3   ), and at least one antenna  20 . 
     Referring to  FIG.  1   , a front of the router  100  is specifically a surface of the router  100  seen in a g direction. In other words, the front of the router  100  is a side of the router  100  facing away from a platform such as a desktop when the router  100  is placed on the platform in a used state. 
     Referring to  FIG.  1    and  FIG.  2   , a cross-sectional shape of the housing  10  may be any shape such as a rectangle, a square, or a circle. In this embodiment of this application, that the cross-sectional shape of the housing  10  is specifically a rectangle is used as an example for description. A length direction of the housing  10  may be a direction indicated by an arrow x in  FIG.  1   , and a width direction of the housing  10  may be a direction indicated by an arrow y in  FIG.  1   . 
     Referring to  FIG.  3   , the housing  10  may include a lower cover  12  and an upper cover  11  disposed on the lower cover  12 . The lower cover  12  and the upper cover  11  form an accommodating cavity of the housing  10 . Electronic elements of the router  100  such as a circuit board are disposed in the accommodating cavity. 
     Referring to  FIG.  4   , the rotary shaft seat  30  in this embodiment of this application is disposed on one end of the housing  10 . For example, the rotary shaft seat  30  is connected to a long side of the housing  10 . 
     The rotary shaft seat  30  may be detachably fixed to the housing  10  by means of snapped connection or threaded connection. For example, an extended plate  111  may be disposed on one end of the upper cover  11  of the housing  10  toward the lower cover  12 . The rotary shaft seat  30  is detachably fixed to the extended plate  111  by means of the snap connection or the threaded connection, so as to facilitate independent replacement of the rotary shaft seat  30 . Certainly, in some examples, the rotary shaft seat  30  may be integrally formed on one end of the housing  10 , so as to simplify an assembly process of the router  100 . 
       FIG.  5    is a schematic structural diagram of the rotary shaft seat in  FIG.  2   .  FIG.  6    is an assembled diagram of the rotary shaft seat in  FIG.  2    and an antenna. Referring to  FIG.  5   , a shaft pin  40  may be inserted through the rotary shaft seat  30  in this embodiment of this application, and both ends of the shaft pin  40  respectively extend out of two ends of the rotary shaft seat  30 . As shown in  FIG.  6   , one end of the antenna  20  is movably sleeved on the shaft pin  40 , and an other end of the antenna  20  is located on a side of the front of the housing  10 . In this way, the antenna  20  can be rotated around the shaft pin  40 . It may be understood that the shaft pin  40  and the rotary shaft seat  30  are fixed. For example, the shaft pin  40  does not rotate around an axis of the shaft pin in the rotary shaft seat  30 . For example, the shaft pin  40  may be fixed in the rotary shaft seat  30  by using a key slot. 
     The other end of the antenna  20  is an end of the antenna  20  away from the rotary shaft seat  30 . 
       FIG.  7    is a schematic structural diagram of the antenna in  FIG.  6   .  FIG.  8    is a partially enlarged view of II in  FIG.  7   . Referring to  FIG.  6   , the antenna  20  in this embodiment of this application may include an antenna body  21  and two hangers  22  bent from one end of the antenna body  21  toward the rotary shaft seat  30 . The two hangers  22  are disposed opposite to each other. As shown in  FIG.  7    and  FIG.  8   , mounting holes  221  are respectively formed on the two hangers  22 . The shaft pin  40  on two sides of the rotary shaft seat  30  are respectively inserted through the corresponding mounting holes  221 , so that the two hangers  22  are inserted through the shaft pin  40 . 
       FIG.  9    is a schematic structural diagram of the router in a stored state according to an embodiment of this application. Referring to  FIG.  9   , when the antenna  20  is required to be stored, the antenna body  21  of the antenna  20  is rotated to cause the end of the antenna body  21  away from the hangers  22  to rotate toward the housing  10 , until the antenna body  21  is stored at a position close to an upper surface a of the housing  10  (referring to  FIG.  1   ). When the antenna  20  is in the stored state, the antenna body  21  of the antenna  20  can come into contact with the upper surface a of the housing  10  (shown in  FIG.  9   ), or may be at a specific distance from the upper surface a of the housing  10 . 
     When the antenna  20  is required to be used, the antenna body  21  of the antenna  20  may be rotated away from the housing  10  (referring to  FIG.  1    and  FIG.  2   ). A specific included angle may exist between the antenna  20  and the upper surface a of the housing  10 . The included angle may be an acute angle, a right angle, or an obtuse angle. 
     During the rotation of the antenna  20  in this embodiment of this application, the hangers  22  of the antenna  20  rotate stably around the shaft pin  40 , thereby achieving stable rotation of the antenna  20 . 
     It should be noted that the upper surface a of the housing  10  is specifically a side of the housing  10  facing away from a platform such as a desktop when the router  100  is placed on the platform. The front of the housing  10  is the upper surface a of the housing  10 , that is, the surface of the housing  10  seen in the g direction in  FIG.  1   . A side of the housing  10  facing away from the upper surface a is a back of the housing  100 . 
     In this embodiment of this application, the shaft pin  40  includes one shaft pin. In some other examples, the shaft pin  40  may include two shaft pins. The two shaft pins  40  are respectively inserted through the two ends of the rotary shaft seat  30 , and the two hangers  22  of the antenna  20  are respectively sleeved on the shaft pins  40  on the two sides of the rotary shaft seat  30 . 
     In order to prevent the hangers  22  from disengaging from movable ends of the shaft pin  40  (ends away from the rotary shaft seat  30 ), stopping portions (not shown) may be disposed on outer ends of the shaft pin  40 . Sizes of outer contours of the stopping portions are greater than radial dimensions of the mounting holes  221  on the hangers  22 . In this way, the hangers  22  are limited between the stopping portions and one end of the rotary shaft seat  30 . 
     Referring to  FIG.  9   , a shielding portion  50  extends from the end (referring to  FIG.  3    and  FIG.  4   ) of the housing  10  in this embodiment of this application where the rotary shaft seat  30  is disposed. The shielding portion  50  and the housing  10  are integrally formed as a whole. For example, the shielding portion  50  is disposed on a long side of the housing  10  toward the antenna  20 , and the rotary shaft seat  30  is located on a side of the shielding portion  50  facing the back of the housing  10  (referring to  FIG.  4   ). 
     In this embodiment of this application, the shielding portion  50  extends outward from the end of the housing  10  where the rotary shaft seat  30  is disposed, and the rotary shaft seat  30  is disposed on the side of the shielding portion  50  facing the back of the housing  10 . Therefore, the front of the rotary shaft seat  30  is shielded by the shielding portion  50 . In this way, the rotary shaft seat  30  is invisible in the conventional viewing angle (the viewing angle in the direction of g in  FIG.  1   ), thereby improving the aesthetic degree of the appearance of the entire router  100 . 
     The shielding portion  50  may alternatively be integrated with the upper cover  11  of the housing  10  as a whole. In this way, not only strength of the connection between the shielding portion  50  and the housing  10  is enhanced, but also the assembly efficiency of the router  100  is improved. In addition, the shielding portion  50  and the housing  10  that are integrally formed causes the front of the router  100  to be more even and aesthetic. 
     Referring to  FIG.  12   , during actual application, a first threading hole  31  is further formed in the rotary shaft seat  30 . A cable (not shown in the figure) drawn from the circuit board inside the housing  10  may enter an antenna cavity  211  of the antenna  20  through the first threading hole  31 . For example, the antenna body  21  of the antenna  20  is a hollow structure. The cable may be drawn out from the first threading hole  31  and enter the antenna cavity  211  of the antenna body  21  to feed the antenna body  21  of the antenna  20 . In this way, a signal in the router  100  is transmitted through the antenna body  21  of the antenna  20  in a form of an electromagnetic wave. 
     In this embodiment of this application, the rotary shaft seat  30  is disposed on an inner side of the shielding portion  50 , so that external debris such as dust is prevented from entering the first threading hole  31  in the rotary shaft seat  30  from the front of the router  100 . In this way, contamination or damage to the cable in the rotary shaft seat  30  is prevented, and the first threading hole  31  is also prevented from being blocked by dust or the like. 
     During specific configuration, a width by which the shielding portion  50  in this embodiment of this application extends toward the antenna  20  may be 6 mm to 15 mm. The width of the shielding portion  50  is distance between an end of the shielding portion  50  close to the housing  10  and an end close to the antenna  20 . In some examples, the width of the shielding portion  50  may be set to a suitable value, such as 6 mm, 8 mm, 10 mm, or 12 mm. 
     A gap exists between an end of the shielding portion  50  in this embodiment of this application away from the housing  10  and the antenna  20 . For example, the end of the shielding portion  50  away from the housing  10  is spaced apart from the antenna body  21  of the antenna  20  to reserve an activity space for the antenna  20  to rotate. Therefore, when the antenna  20  is rotated toward the upper surface a of the housing  10 , the shielding portion  50  is not knocked or squeezed. In this way, structural stability of the shielding portion  50  is ensured, thereby improving a service life of the router  100 , and the shielding portion  50  can stably shield the rotary shaft seat  30 . 
     In addition, a thickness of the shielding portion  50  in this embodiment of this application may be 1.5 mm to 3 mm. For example, the thickness of the shielding portion  50  may be set to a suitable value, such as 1.5 mm, 2 mm, 2.5 mm, or 3 mm. The thickness of the shielding portion  50  is distance between a side of the shielding portion  50  located on the upper surface a of the housing  10  and a side of the shielding portion  50  facing away from the upper surface a of the housing  10 . 
     In this embodiment of this application, the antenna  20  may include one antenna. For example, one antenna  20  is disposed on the long side of the housing  10 . In order to shield the rotary shaft seat  30  between the antenna  20  and the housing  10 , a shielding portion  50  may be disposed at a position on the housing  10  close to the rotary shaft seat  30 . The shielding cover is disposed above the rotary shaft seat  30 . The above of the rotary shaft seat  30  is specifically a side of the rotary shaft seat  30  facing the front of the router  100 . In other examples, two ends of the shielding portion  50  may extend to two ends of the housing  10  disposed along the first extending direction, so as to ensure effective shielding of the front of the rotary shaft seat  30 . 
     The first extending direction is specifically an extending direction of the end of the housing  10  where the shielding portion  50  is disposed. For example, when the shielding portion  50  is disposed on the long side of the housing  10 , the first extending direction is a length direction of the housing  10  (the direction x in  FIG.  1   ). 
     In some examples, a plurality of antennas  20  may be disposed (referring to  FIG.  10   ). The plurality of antennas  20  are spaced apart from each other in the first extending direction of the housing  10 . For example, the plurality of antennas  20  are spaced apart from each other on the long side of the housing  10  along the direction x. Each antenna  20  is connected to the housing  10  by using the corresponding rotary shaft seat  30 . In this way, it can be ensured that each antenna  20  can be rotated stably around the rotary shaft seat  30 , so that each antenna  20  can be stably switched between the stored state and the used state. 
     Two ends of the shielding portion  50  in this embodiment of this application respectively extend to the two ends of the housing  10  along the first extending direction. For example, a shielding portion  50  is disposed on the long side of the housing  10 , and two ends of the shielding portion  50  extend to two sides of the housing  10  along the length direction. In this way, not only it is ensured all rotary shaft seats  30  can be shielded by the shielding portion  50 , but also a process of manufacturing the shielding portion  50  on the housing  10  is simplified, thereby improving manufacturing efficiency of the entire router  100 . For example, the plurality of rotary shaft seats  30  can be shielded by assembling only one shielding portion  50  on one end of the housing  10  at one time. 
     The router  100  in this embodiment of this application further includes two ribs  60  (referring to  FIG.  3    and  FIG.  4   ) disposed opposite to each other. The two ribs  60  respectively extend from the two ends of the shielding portion  50  toward a side where the rotary shaft seat  30  is disposed. The ribs  60  shields at least one side of the shaft pin  40  on the two sides of the housing  10 . 
     Specifically, the shaft pin  40  is disposed on each outermost rotary shaft seat  30  on one end of the housing  10 . The ribs  60  in this embodiment of this application can shield one side of each outermost shaft pin  40 , to hide the shaft pin  40  from the side of the router  100 . In this way, when a user observes the router  100  from the side of the router  100 , that is, from a short side of the housing  10 , the shaft pins  40  on the two ends of the housing  10  is invisible, thereby further improving the aesthetic degree of the appearance of the router  100 . 
     In some examples, the ribs  60  may extend to be flush with a bottom of the rotary shaft seat  30 , or the ribs  60  may extend to be lower than the bottom of the rotary shaft seat  30 , so that the two outermost rotary shaft seats  30  of the housing  10  are shielded by inner sides of the ribs  60 . In this way, all of the rotary shaft seats  30  are located between the two ribs  60 , and the user cannot observe all of the rotary shaft seats  30  from the side of the router  100 . 
     The shielding portion  50  and the ribs  60  are all disposed, so that the front and the side of the rotary shaft seat  30  are shielded. In this way, not only user experience is improved, but also all of the rotary shaft seats  30  are protected. 
     In this embodiment of this application, the movable end of the antenna  20 , that is, the end away from the rotary shaft seat  30  is easily interfered by the shielding portion  50  during rotation toward the housing  10 . For example, the shielding portion  50  may hinder the rotation of the antenna  20 . To avoid the above situation, an avoidance opening  24  (referring to  FIG.  8   ) may be formed between the hangers  22  and the antenna body  21  of the antenna  20 . The avoidance opening  24  is configured for the antenna body  21  of the antenna  20  to avoid the shielding portion  50  during rotation toward the surface of the housing  10 . 
     For example, during rotation of the antenna body  21  of the antenna  20  toward the upper surface a of the housing  10 , the shielding portion  50  may be moved into the avoidance opening  24  until the antenna body  21  reaches a stored position (shown in  FIG.  9   ). Therefore, the antenna  20  is not affected by the shielding portion  50  during rotation around the rotary shaft seat  30 . In this way, it can be ensured that the antenna body  21  of the antenna  20  can be stably rotated to the outer surface of the housing  10 , thereby achieving effective storing of the antenna  20 . 
     Specifically, the avoidance opening  24  is a space sandwiched between the hangers  22  and the antenna body  21 . During specific configuration, included angles between the hangers  22  and the antenna body  21  may be set as acute angles (not shown in the figure), and extending directions of the hangers  22  may be enlarged. In this way, when the antenna body  21  of the antenna  20  is rotated toward the stored position, the shielding portion  50  can completely enter the space between the hangers  22  and the antenna body  21 , and the stable connection between the hangers  22  and the shaft pin  40  is ensured. 
     In some examples, a transition portion  23  (referring to  FIG.  8    and  FIG.  9   ) may be further disposed between the hangers  22  and the antenna body  21 . For example, two ends of the transition portion  23  are respectively connected to the antenna body  21  and the hangers  22 . The hangers  22  and the antenna body  21  are located on a same side of the transition portion  23 . The hangers  22 , the transition portion  23 , and an inner wall of the antenna body  21  form the avoidance opening  24 . 
     The arrangement of the transition portion  23  causes the end of the antenna  20  close to the rotary shaft seat  30  form a hook end. That is to say, the end of the antenna  20  returns toward the end of the antenna  20  away from the rotary shaft seat  30 . The hangers  22  are located on the hook end. In this way, during the rotation of the end of the antenna  20  away from the rotary shaft seat  30  toward the housing  10 , the shielding portion  50  gradually extend into the avoidance opening  24  between the hangers  22  and the antenna body  21 , until the antenna body  21  of the antenna  20  is rotated to the upper surface a of the housing  10 . 
     By means of the above arrangement, the antenna  20  is not affected by the shielding portion  50  in an entire storing process, and the hangers  22  can be stably sleeved on the shaft pin  40  on the two ends of the rotary shaft seat  30  during the rotation of the antenna  20 , thereby ensuring stable connection between the antenna  20  and the housing  10 . 
     In addition, the hangers  22  and the antenna body  21  are disposed on the same side of the transition portion  23 . Therefore, a size of a connecting end of the antenna  20  in a width direction is further reduced, thereby reducing a size of the router  100 . 
     During specific configuration, the antenna body  21  and the hangers  22  may be perpendicular to the transition portion  23 . That is to say, the hangers  22  and the antenna body  21  are parallel to each other. In this way, it is further ensured that the antenna  20  can avoid the shielding portion  50  during the rotation, and stability of the hangers  22  on the side of the rotary shaft seat  30  can be ensured. 
     The distances between the hangers  22  and the antenna body  21  may be equal to the thickness of the shielding portion  50 . For example, when the thickness of the shielding portion  50  is 3 mm, the distances between the hangers  22  and the antenna  21  may be a suitable value such as 3 mm, 4 mm, or 5 mm. In this way, the avoidance opening  24  between the hangers  22  and the antenna body  21  can cause the shielding portion  50  to be effectively avoided. When the distances between the hangers  22  and the antenna  21  are equal to the thickness of the shielding portion  50 , a size of the antenna  20  in the width direction is reduced, thereby reducing a width of the router  100  in the used state (an extended length of the router along the direction y in  FIG.  1   ). In addition, an excessively large height of the router  100  caused by an excessively large distance between the antenna  20  and the upper surface a of the housing  10  when the antenna  20  is stored above the housing  10  is avoided. In this way, the router  100  can be stored more effectively. 
     It should be noted that the distances between the hangers  22  and the antenna body  21  are minimum distances between side surfaces of the hangers  22  facing the antenna body  21  and a side surface of the antenna body  21  facing the hangers  22 . In addition, a width c of the antenna  20  (referring to  FIG.  9   ) is a distance between the side of the antenna  20  facing the housing  10  and the side away from the housing  10 . 
     The hangers  22  in this embodiment of this application each include an inner surface and an outer surface disposed opposite to each other and an outer edge surface d (referring to  FIG.  8   ) located between the inner surface and the outer surface. The inner surfaces of the hangers  22  are surfaces of the two hangers  22  facing each other. In this embodiment of this application, at least part of the outer edge surfaces d of the hangers  22  toward the movable end of the antenna  20  may be configured as an arcuate surface. 
     When the movable end of the antenna  20  is rotated toward or away from the housing  10 , the hangers  22  are rotated under the shielding portion  50 . Since at least part of the outer edge surfaces of the hangers  22  is configured as an arcuate surface, it can be ensured that the hangers  22  can smoothly pass by a bottom surface of the shielding portion  50  without causing damage to the bottom surface of the shielding portion  50  during the rotation. 
     To enhance the structural stability of the two hangers  22 , the antenna  20  in this embodiment of this application may further include a first reinforcing member  25  (referring to  FIG.  8   ). Two ends of the first reinforcing member  25  are respectively connected to the inner surfaces of the two hangers  22 . In other words, the two hangers  22  are connected by the first reinforcing member  25  to enhance the structural strength of the two hangers  22 . 
     For example, when the hangers  22  are disposed on the hook end of the antenna  20 , the two hangers  22  are independent of each other. Since the first reinforcing member  25  is disposed, the stability of the mechanical structures of the two hangers  22  is enhanced, and it is ensured that the two hangers  22  can be stably sleeved on the shaft pin  40  on the two sides of the rotary shaft seat  30 . In this way, stable connection is achieved between the antenna  20  and the shaft pin  40 . 
       FIG.  10    is a rear view of  FIG.  1   .  FIG.  11    is a cross-sectional view taken along line A-A  FIG.  10   .  FIG.  12    is a partially enlarged view of  FIG.  11   . Referring to  FIG.  12   , a second threading hole  251  is formed in the first reinforcing member  25 . The second threading hole  251  is in communication with the first threading hole  31  and the antenna cavity  211  of the antenna body  21 . In this way, a cable extending through the first threading hole  31  in the rotary shaft seat  30  can enter the antenna cavity  211  of the antenna body  21  through the second threading hole  251 , thereby achieving effective feeding for the antenna body  21 . 
     The two ends of the first reinforcing member  25  may be fixed to the inner plate surfaces of the two hangers  22  by means of snap connection, so as to facilitate disassembly of the first reinforcing member  25 . Certainly, the first reinforcing member  25  may alternatively be integrally formed with the two hangers  22 . In this way, not only strength of the connection between the hangers  22  and the first reinforcing member  25  is increased, but also components of the antenna  20  are reduced, thereby improving the assembly efficiency of the antenna  20 . 
     During specific configuration of the second threading hole  251 , at least part of a hole wall of the second threading hole may be configured as an arcuate structure (referring to  FIG.  8   ). In this way, the hole wall of the second threading hole  251  matches an outer surface of the cable more effectively, thereby preventing wear of the cable caused by long-term contact between the hole wall of the second threading hole  251  and the cable. In addition, a radial dimension of the second threading hole  251  may be equal to a radial dimension of the cable, so as to ensure that the cable does not shake in the second threading hole  251 , thereby improving stability of a path of the cable. 
     To further enhance the structural stability of the two hangers  22 , the antenna  20  in this embodiment of this application may further include a second reinforcing member  26  (referring to  FIG.  8   ). Two ends of the second reinforcing member  26  are respectively connected to the sides of the two hangers  22  close to the antenna body  21 . 
     During specific configuration, the first reinforcing member  25  and the second reinforcing member  26  may be reinforcing plates connected between the two hangers  22 . 
     An end of the first reinforcing member  25  close to the antenna body  21  is connected to the second reinforcing member  26 . In this way, structural strength of the first reinforcing member  25  and the second reinforcing member  26  is increased, thereby further improving the structural stability of the hangers  22  on the two sides of the first reinforcing member  25  and the second reinforcing member  26 . 
     Referring to  FIG.  12   , in this embodiment of this application, the cable drawn out from the rotary shaft seat  30  passes through the second threading hole  251  of the first reinforcing member  25  into a bottom of the first reinforcing member  25 , and then enter the antenna cavity  211  of the antenna body  21  of the antenna  20  from the bottom of the first reinforcing member  25 . 
       FIG.  13    is an assembled diagram of the antenna in  FIG.  10    and an antenna bottom cover.  FIG.  14    is an exploded view of  FIG.  13   .  FIG.  15    is a partial schematic structural diagram of the antenna in  FIG.  14   . 
     Referring to  FIG.  15   , to store and limit the cable at the bottom of the first reinforcing member  25 , connecting walls  27  may extend from the bottoms of the two hangers  22  away from the hangers  22 , and a blocking wall  28  may extend downward from a side wall of the antenna body  21  facing away from the hangers  22 . The two connecting walls  27 , the first reinforcing member  25 , and the blocking wall  28  form a wiring groove  29 . The second threading hole  251  is brought into communication with the antenna cavity  211  of the antenna body  21  through the wiring groove  29 . In this way, the cable drawn out from the second threading hole  251  is stably stored in the wiring groove  29 . In addition, a groove wall of the wiring groove  29  also shields the cable. Therefore, a user cannot observe the cable located at the bottom of the first reinforcing member  25  from the side of the router  100 . 
     In a possible implementation, an antenna bottom cover  70  (referring to  FIG.  13    and FIG.  14 ) may be disposed on a notch of the wiring groove  29  to seal a bottom opening of the wiring groove  29 . In this way, the cable in the wiring groove  29  is shielded, and the aesthetic degree of the appearance of the router  100  is improved. In addition, dust or oil on a desktop is prevented from entering the wiring groove  29  and causing contamination or even damage to the cable. In addition, the antenna bottom cover  70  that is disposed further prevents a flexible circuit board located in the antenna cavity  211  from falling out of the wiring groove  29 . 
     An outer end of the antenna bottom cover  70  is connected to the two connecting walls  27 , the first reinforcing member  25 , and the blocking wall  28 . In this way, the antenna bottom cover  70  is assembled to the bottom of the antenna  20  more stably. 
       FIG.  16    is a schematic structural diagram of the antenna bottom cover in  FIG.  14   . Referring to  FIG.  15   , during specific assembly of the antenna bottom cover  70  to inner surfaces of the connecting walls  27 , a first sliding groove  271  may be formed on an inner wall of each of the two connecting walls  27 , and the first sliding groove  271  extends from an end of the connecting wall  27  away from the blocking wall  28  toward the blocking wall  28 . Correspondingly, as shown in  FIG.  16   , a first sliding rail  71  matching the first sliding groove  271  is formed on a side wall of the antenna bottom cover  70 . The first sliding rail  71  is stored in the first sliding groove  271 . The assembly of the antenna bottom cover  70  can be completed merely by causing the first sliding rail  71  of the antenna bottom cover  70  to slide into the first sliding groove  271  from one end of the first sliding groove  271 . 
     By means of the first sliding rail  71  and the first sliding groove  271  that are disposed, the antenna bottom cover  70  can be conveniently inserted between the two connecting walls  27 , thereby improving assembly efficiency of the antenna bottom cover  70 . In addition, since the first sliding rail  71  is snapped in the first sliding groove  271 , the antenna bottom cover  70  is prevented from moving in an extending direction at a specific angle to the first sliding rail  71 , thereby improving assembly stability of the antenna bottom cover  70  in the wiring groove  29 . For example, the first sliding rail  71  is snapped in the first sliding groove  271 . In this way, the antenna bottom cover  70  can be prevented from moving in a direction perpendicular to the first sliding rail  71 , thereby preventing the antenna bottom cover  70  from disengaging from the bottom opening of the wiring groove  29 . 
     To enhance the assembly stability of the antenna bottom cover  70 , a width of the first sliding rail  71  may be set to be equal to a width of the first sliding groove  271 . In this way, a side wall of the first sliding rail  71  can be closely attached to the groove wall of the first sliding groove  271 , so that the first sliding rail  71  is more stable in the first sliding groove  271 . 
     During specific configuration of the first sliding groove  271  in this embodiment of this application, a recess may be formed on the inner surface of the connecting wall  27 . Alternatively, a protruding strip  274  may extend from the inner surface of the connecting wall  27  toward inside of the wiring groove  29 , and a recess formed between the protruding strip  274  and the connecting wall  27  may be used as the first sliding groove  271 . The arrangement of the first sliding groove  271  is not specifically limited in this embodiment of this application. 
       FIG.  17    is a rotated cross-sectional view of  FIG.  13   . Referring to  FIG.  17   , a slot  275  may be further formed on the inner wall of each connecting wall  27 , a snap  72  matching the slot  275  is disposed on the side wall of the antenna bottom cover  70 , and the snap  72  is snapped in the slot  275 . By means of the arrangement, not only the stability of the antenna bottom cover  70  between the two connecting walls  27  is improved, but also the connection structure between the antenna bottom cover  70  and the connecting walls  27  is simplified, thereby improving the efficiency of assembling the antenna bottom cover  70  to the bottom of the antenna  20 . 
     A protrusion  272  is disposed on an end of the first sliding groove  271  close to the blocking wall  28 , and the slot  275  on the connecting wall  27  may be a recess formed between the protrusion  272  and the blocking wall  28 . The snap  72  may be disposed in an extending direction of the first sliding rail  71 , and a gap e (shown in  FIG.  16   ) for snapping the protrusion  272  is formed between the snap  72  and the first sliding rail  71 . In this way, when the antenna bottom cover  70  is slid toward the inside of the wiring groove  29 , the snap  72  in the extending direction of the first sliding rail  71  spans the protrusion  272  to be snapped into the recess between the protrusion  272  and the blocking wall  28 , thereby preventing the antenna bottom cover  70  from moving in the extending direction of the first sliding rail  71 . 
     It may be understood that, when the snap  72  is snapped into the recess between the protrusion  272  and the blocking wall  28 , the protrusion  272  in the connecting wall  27  is snapped into the gap e between the snap  72  and the first sliding rail  71 . A width of the gap e along the extending direction of the first sliding rail  71  may be equal to a width of the protrusion  272 . In this way, the antenna bottom cover  70  is further prevented from moving in the extending direction of the first sliding groove  271 . 
     During specific configuration of the snap  72  in this embodiment of this application, the snap may be a bump extending outward from the side wall of the antenna bottom cover  70 . The bump may be integrally formed with the antenna bottom cover  70 . 
     In addition, at least part of a surface of an end of the snap  72  away from the first sliding rail  71  may be configured as an inclined surface n (referring to  FIG.  16   ). The inclined surface n faces an end away from the first sliding rail  71 . For example, a side of the bump disposed on the antenna bottom cover  70  away from the first sliding rail  71  forms the inclined surface n. A lower end of the inclined surface n is away from the first sliding rail  71 , and an upper end of the inclined surface n is close to the first sliding rail  71 . In this way, the bump can conveniently span the protrusion  272  on one end of the first sliding groove  271  to be snapped into the recess between the protrusion  272  and the blocking wall  28 , thereby improving efficiency of assembling the antenna bottom cover  70  and the antenna  20 . 
     It should be noted that, a distance between a top surface of the lower end of the inclined surface n and a side surface of the antenna bottom cover  50  is less than a distance between a top surface of a high end of the inclined surface n and the side surface of the antenna bottom cover  50 . 
     In a possible implementation, a second sliding groove  273  (referring to  FIG.  15   ) may be further formed on the inner walls of each of the two connecting walls  27 . The second sliding groove  273  extends from the end of the connecting wall  27  away from the blocking wall  28  to the blocking wall  28 . 
     The second sliding groove  273  is spaced apart from the first sliding groove  271 . For example, the first sliding groove  271  is disposed close to the first reinforcing member  25 , and the second sliding groove  273  is disposed away from the first reinforcing member  25 . A second sliding rail  73  matching the second sliding groove  273  is formed on the side wall of the antenna bottom cover  70 , and the second sliding rail  73  is embedded in the second sliding groove  273 , so as to further improve the efficiency of assembling the antenna bottom cover  70  and the antenna  20 , and ensure stability of the antenna bottom cover  70  in an extending direction perpendicular to the second sliding rail  73 . 
     The second sliding rail  73  is configured as an outer edge portion extending from the bottom of the antenna bottom cover  70 . Therefore, a groove wall of the second sliding groove  273  close to the bottom end of the connecting wall effectively blocks the outer edge portion, thereby protecting the outer edge portion. In this way, the outer edge portion of the antenna bottom cover  70  is effectively prevented from being knocked by an external object. 
     In addition to the above connection manners, the antenna bottom cover  70  in this embodiment of this application may alternatively be fixed in the wiring groove  29  by means of bonding or screw connection. The manners of connection between the antenna bottom cover  70  and the connecting wall  27  as well as the blocking wall  28  are not specifically limited in this embodiment of this application. 
     A first limiting portion  32  and a second limiting portion  33  (referring to  FIG.  5   ) are disposed on a side of the rotary shaft seat  30  in this embodiment of this application facing the hangers  22 . For example, in this embodiment of this application, the first limiting portion  32  and the second limiting portion  33  are disposed on each two opposite end surfaces of the rotary shaft seat  30 . 
     The first limiting portion  32  is configured to prevent the antenna  20  at a used position from rotating around the shaft pin  40 , so that the antenna  20  does not shake in the used state, thereby ensuring that a signal transmitted by the antenna  20  is more stable. In addition, the first limiting portion  32  that is disposed can further fix the antenna  20  during the rotation of the antenna. That is to say, as long as the hangers  22  of the antenna  20  are rotated to the first limiting portions  32 , the antenna  20  can be ensured to be at the used position, so that positioning of the antenna  20  at the used position is more rapid and accurate. 
     The second limiting portion  33  is configured to prevent the antenna  20  at a stored position from rotating around the shaft pin  40 , so that the antenna  20  can be stably stored on the upper surface a of the housing  10  without shaking. In addition, the second limiting portion  33  that is disposed further fixes the antenna  20  that is stored. That is to say, the antenna  20  can be stored merely by rotating the hangers  22  of the antenna  20  to the second limiting portion  33 . Therefore, accurate and efficient fixing of the antenna  20  at the stored position is achieved. 
     During specific implementation, the first limiting portion  32  may include a first groove formed on the rotary shaft seat  30 , and the second limiting portion  33  includes a second groove formed on the rotary shaft seat  30 . The first groove and the second groove both extend along a radial direction of the rotary shaft seat  30 . A preset included angle exists between the first groove and the second groove. A protruding portion  222  is formed on a side of each of the two hangers  22  facing the rotary shaft seat  30 . The protruding portion  222  extends into the first groove when the antenna  20  is at the used position, and the protruding portion  222  extends into the second groove when the antenna  20  is at the stored position. 
     For example, when the antenna  20  is required to be stored, the antenna  20  starts to be rotated, so that the protruding portion  222  on the inner surface of the hanger  22  is first disengaged from the first groove, and then the movable end of the antenna  20  is continuously rotated toward the upper surface a of the housing  10  until the antenna  20  encounters a stop. That is to say, the protruding portion  222  is snapped into the second groove on the rotary shaft seat  30 . In this way, storing of the antenna  20  is completed. When the antenna  20  is required to be used, the movable end of the antenna  20  starts to be rotated away from the housing  10 , so that the protruding portion  222  on the hanger  22  is disengaged from the second groove, and then the antenna  20  is further rotated until the antenna  20  encounters a stop. That is to say, the protruding portion  222  is snapped into the first groove, and the rotation of the antenna  20  is stopped. At this time, the antenna  20  is at the used position. 
     A specific value of the preset included angle between the first groove and the second groove may be adjusted according to an actual requirement for the stored position and the used position of the antenna  20 . For example, the preset included angle between the first groove and the second groove may be a right angle. Therefore, the antenna  20  can reach the used position merely by means of rotation by 90° from the stored position. 
     In this embodiment of this application, the first limiting portion  32  and the second limiting portion  33  are configured as groove structures, and the protruding portions  222  (referring to  FIG.  8   ) matching the grooves are respectively disposed on the inner walls of the hangers  22 . In this way, the antenna  20  in the used state or the stored state is stabilized, and the structures of the first limiting portion  32  and the second limiting portion  33  are simplified, thereby improving manufacturing and assembly efficiency of the router  100  in this embodiment of this application. 
     Two ends of each of the first groove and the second groove respectively extend to an outer edge of the rotary shaft seat  30 , and 
     two ends of the protruding portion  222  extend to an outer edge of the hanger  22 . In this way, contact areas between the protruding portions  222  of the hangers  22  and the grooves on the rotary shaft seat  30  are increased, so that the hangers  22  can be stabilized in an entire radial direction, thereby improving the stability of the antenna  20  in the used state and the stored state. 
     In the description of the embodiments of this application, it should be noted that, unless otherwise explicitly specified and defined, the terms “mount”, “connect”, and “connection” should be understood in a broadest sense, for example, fixed connection, indirect connection by a medium, or internal communication between two elements or an interaction relationship between the two elements. A person of ordinary skill in the art may understand the specific meanings of the foregoing terms in the embodiments of this application according to specific situations. 
     The terms such as “first”, “second”, “third”, and “fourth” (if any) in the specification and claims of the embodiments of this application and in the accompanying drawings are used for distinguishing between similar objects and not necessarily used for describing any particular order or sequence.