Patent Publication Number: US-6670552-B2

Title: Housing and coaxial connector having the same

Description:
FIELD OF THE INVENTION 
     The present invention relates to a housing used in electronic apparatus of information terminal apparatus, computer related apparatus and the like and a coaxial connector having the housing. 
     BACKGROUND OF THE INVENTION 
     When a coaxial connector is fabricated, first, a central conductor of a coaxial connector is soldered to a contact, and a housing made of synthetic resin having a housing main body with a housing lid open and a shell having a shell main body with a shell lid open are prepared. Next, the housing main body is inserted into the shell main body and the soldered contact is inserted into the housing main body. Thereafter, by closing the housing lid, the contact is contained in the housing while being held in a regular containing attitude. Successively, the contact and the housing are contained in the shell by closing the shell lid and thereafter the shell is crimped to constitute the coaxial connector. 
     Meanwhile, when the housing lid is opened and the contact in the housing is floated up, the contact is not poised in the regular containing attitude and therefore, when the shell is crimped, there is brought about a failed product in which the contact is shifted inside the housing. Further, in JP-A-8-17523, there is disclosed a constitution in which latching portions are provided at both side faces on a fixed end side of a housing lid and when the housing lid is closed, the latching portions are latched by a housing main body. According to the constitution, when the housing lid is closed, the housing lid is latched by the housing main body by the latching portions and therefore, a state of the housing lid being closed is maintained, as a result, a contact is prevented from floating up. 
     However, according to the constitution of the background art, there poses a problem that the housing lid is liable to deform to turn up. That is, according to the constitution of the background art, the latching portions are provided on the fixed end side of the housing lid and the latching portions do not cover up to a contact containing hole in the state of the housing lid being closed. Further, the housing lid generally covers only an upper side of the contact containing hole from the fixed end side and does not cover up to an upper side of a cable. Further, the housing lid is formed in a thin-walled shape for low height formation of the connector, further, among synthetic resin materials used, there are some materials which are not provided with high rigidity and therefore, when upward force is exerted to the contact or the coaxial cable connected to the contact even by a small amount thereof, the housing lid is deformed to turn up and the contact is floated up. 
     Therefore, it is an object of the invention to provide a housing capable of making a housing lid difficult to open and difficult to turn up in order to prevent a contact from floating up and a coaxial connector having the housing. 
     SUMMARY OF THE INVENTION 
     A housing according to the invention comprises a housing main body for containing a contact connected with a central conductor of a coaxial cable, a housing lid formed such that one side of an upper edge portion of the housing main body constitutes a fixed end thereof for covering an upper side of the contact by being bent to fold at the fixed end such that a free end side thereof is brought into contact with other side of the upper edge portion of the housing main body, and a first latching mechanism formed on the other side of the upper edge portion of the housing main body and the free end side of the housing lid for maintaining a contact state of the housing lid with the housing main body. 
     According to the above-described constitution, when the free end side of the housing lid brought into contact with the other side of the upper edge portion of the housing main body by being bent and folded at the fixed end on the one side of the upper edge portion of the housing main body, at the free end side of the housing lid and the other side of the upper edge portion of the housing main body, holding force by the first latching mechanism is operated to maintain the contact state. Further, since the first latching mechanism is arranged on the free end side sufficiently remote from the fixed end of the housing lid, in comparison with, for example, a case in which the first latching mechanism is provided on the root side of the housing lid, the holding force exerted to the housing lid is operated as a large moment. 
     As a result, since the holding force can be operated by sufficiently large moment, even when upward force is exerted to the contact or the coaxial cable connected to the contact, the housing lid can be made to be difficult to deform and can be prevented from turning up. Thereby, the housing lid can be prevented from opening and therefore, a drawback that the contact contained in the housing main body is floated up to be out of a regular containing attitude can be prevented. Particularly, even when the housing is formed in a thin-walled shape for low height formation of a connector, or of a synthetic resin material which is not provided with high rigidity, the housing lid can sufficiently be prevented from floating up. 
     Further, the housing of the invention is characterized in that the housing main body contains the contact such that the free end side of the housing lid covers an upper side of a dielectric portion of the coaxial cable. 
     According to the constitution, when upward pushing force is exerted to the coaxial cable, the dielectric portion side of the coaxial cable can be prevented from floating up by covering the upper side of the dielectric portion of the coaxial cable with the free end side of the housing lid. As a result, the pushing up force from the coaxial cable can be made difficult to transmit to the contact and the housing lid can be prevented from turning up upwardly. Thereby, the contact can be contained in the housing main body with a regular containing attitude and the contact can be prevented from floating up. 
     Further, the housing of the invention is characterized in further comprising a second latching mechanism formed at predetermined portions of the housing main body and the housing lid other than portions thereof formed with the first latching mechanism for maintaining the contact state of the housing lid with the housing main body. 
     According to the above-described constitution, engagement of the housing lid to the housing main body is ensured by the holding forces of the first latching mechanism and the second latching mechanism. 
     Further, the housing of the invention is characterized in that the housing main body contains the contact such that the dielectric portion of the coaxial cable is disposed at a portion thereof deviated from the free end side of the housing lid, and the housing lid is formed with a cover portion to cover the upper side of the dielectric portion of the coaxial cable maintained in the housing main body. 
     According to the above-described constitution, by covering the upper side of the dielectric portion of the coaxial cable with the cover portion, when upward pushing force is exerted to the coaxial cable, the dielectric portion side of the coaxial cable can be prevented from floating up. As a result, the pushing up force from the coaxial cable can be made difficult to transmit to the contact. Thereby, the contact can be contained inside the housing main body in the regular containing attitude and the contact can be prevented from floating up. 
     Further, the housing of the invention is characterized in that comprise a third latching mechanism is provided with the cover portion and the housing main body for maintaining a state of the upper side of the dielectric portion of the coaxial cable covered. 
     According to the above-described constitution, the pushing up force from the coaxial cable can be made further difficult to transmit to the contact, and the housing lid can further be prevented from turning up upwardly. Thereby, the contact can be contained inside the housing main body in the regular containing attitude and the contact can be prevented from floating up. 
     Further, the housing of the invention is characterized in further comprising a fourth latching mechanism formed at predetermined portions of the housing main body and the housing lid other than portions thereof formed with the first latching mechanism and the cover portion for maintaining the contact state of the housing lid with the housing main body. 
     According to the above-described constitution, engagement of the housing lid to the housing main body is further ensured by the holding force of the fourth latching mechanism. 
     Further, the housing of the invention is characterized in that the housing main body is formed with a concave portion for containing a contact fixing portion constituted by extending a portion of the contact, and the housing lid is formed to be brought into contact with the contact fixing portion contained in the concave portion. 
     According to the above-described constitution, since the contact fixing portion is contained in the concave portion while being brought into contact with the housing lid the contact is fixed inside the housing main body in a stable state, and as a result, the contact can be contained inside the housing main body in the regular containing attitude and the contact can be prevented from floating up. 
     Further, the housing of the invention is characterized in that the housing main body is formed with a concave portion for containing a contact fixing portion constituted by extending a portion of the contact, and a lower face of the housing lid is formed with a convex portion for pinching the contact fixing portion by being fitted to the concave portion. 
     According to the above-described constitution, since the contact fixing portion is pinched by the concave portion and the convex portion, the contact is fixed inside the housing main body in a stable state, and as a result, the contact can be contained inside the housing main body in the regular containing attitude and the contact can be prevented from floating up. 
     Further, the housing of the invention is characterized in that the convex portion of the housing lid is fitted to the concave portion of the housing main body by press-fitting. 
     According to the above-described constitution, the contact fixing portion is pinched by the concave portion and the convex portion by press-fitting and therefore, the contact can be fixed inside the housing main body in a stable state and solidly. 
     Further, the housing of the invention is characterized in that when the housing main body is contained inside a shell main body with a shell lid erected, a positional relationship in which the housing lid erected from the housing main body and the shell lid do not overlap in an erected state is constituted. 
     According to the above-described constitution, the shell lid and the housing lid are arranged not to overlap each other and therefore, when the housing lid is closed, operation can easily be carried out without being hampered by the shell lid. 
     Further, a coaxial connector of the invention is characterized in including a housing having any one or more of the above-described respective characteristics. 
    
    
     BRIEF DESCRIPTION OF THE DRAWINGS 
     FIGS. 1A and 1B are perspective views of a housing, FIG. 1A shows a state viewed from a front side and FIG. 1B from a rear side. 
     FIG. 2 is an explanatory view showing a coaxial connector being integrated. 
     FIG. 3 is a sectional view of the coaxial connector. 
     FIGS. 4A and 4B are explanatory views showing states of connecting a coaxial cable and a contact for the coaxial connector, FIG. 4A shows a state before soldering and FIG. 4B shows a state after soldering. 
     FIGS. 5A and 5B are perspective views of a housing, FIG. 5A shows a state viewed from a front side and FIG. 5B from a rear side. 
     FIGS. 6A and 6B are perspective views of a housing, FIG. 6A shows a state viewed from a front side and FIG. 6B from a rear side. 
     FIG. 7 is a perspective view of a housing. 
     FIG. 8 is a perspective view of a housing. 
     FIGS. 9A,  9 B and  9 C show a constitution of a contact for a coaxial connector, FIG. 9A is a front view, FIG. 9B is a side view and FIG. 9C is a plane view. 
     FIGS. 10A and 10B are perspective views of a housing, FIG. 10A shows a state viewed from a front side and FIG. 10B from a rear side. 
     FIG. 11 is a perspective view of a housing. 
    
    
     DESCRIPTION OF THE PREFERRED EMBODIMENTS 
     An explanation will be given of a housing according to an embodiment of the invention and a coaxial connector having the housing in reference to FIGS.  1 A through FIG. 11 as follows. 
     As shown by FIG. 2, according to the embodiment, a housing contains a contact  1  inside thereof and is contained inside a coaxial connector  61 . The contact  1  is formed by processing a plate-like metal material. Further, as the plate-like metal material, metals such as iron, aluminum, copper and alloys having these metals as a major component can be pointed out. The contact  1  includes a connecting line portion  2  to which a central conductor  21  of a coaxial cable  20  is connected by soldering while being in contact therewith. The coaxial cable  20  is provided with an outer skin  22 , a shield conductor  23 , an insulator  24  and the central conductor  21  in this order from an outer peripheral side thereof to a central portion thereof and is constituted such that the shield conductor  23  at ground potential is disposed surrounding the central conductor  21  for transmitting and receiving a data signal. 
     The above-described connecting line portion  2  is formed in a flat shape to make solder difficult to flow. A pair of left and right contact portions  9 ,  9  having spring performance are provided at both end portions in the left and right directions of the connecting line portion  2 . The two contact portions  9 ,  9  are hung from the connecting line portion  2  and fitted to a counter side connector, not illustrated. Meanwhile, a first positioning portion  3  and a second positioning portion  4  are respectively provided at a front end portion and a rear end portion of the connecting line portion  2 . The first and the second positioning portions  3 ,  4  can support the central conductor  21  at a plurality of portions in an axis core direction of the central conductor  21  to position the central conductor  21  at a predetermined position of the connecting line portion  2 . 
     Here, the front end portion of the connecting line portion  2  means an end portion of the connecting line portion  2  disposed on a front end side of the central conductor  21  when the axis core direction of the central conductor  21  which is brought into contact with the connecting line portion  2  is referred as the front-rear direction. Meanwhile, the rear end portion of the connecting line portion  2  means an end portion of the connecting line portion  2  disposed on a rear end side (root side) of the central conductor  21 . Further, the left and right direction refers to a direction orthogonal to the axis core direction of the central conductor  21  and in parallel with an upper face of the connecting line portion  2 . An up and down direction refers to a direction orthogonal to the axis core direction of the central conductor  21  and orthogonal to the upper face of the connecting line portion  2 . 
     As shown by FIGS. 4A and 4B, the first positioning portion  3  provided at the front end portion of the connecting line portion  2  includes a mounting portion  6  for mounting a front end portion of the central conductor  21  and support pieces  5 ,  5  arranged in a left and right pair thereof with the mounting portion  6  being as the center. The mounting portion  6  is formed projected frontward from a central portion of the connecting line portion  2 . Further, the support pieces  5 ,  5  are formed by cutting and raising portions in the left and right direction of the first positioning portion  3  and opposed to both sides of the central conductor  21 . 
     An interval between the two support pieces  5 ,  5  is set to equivalent to or slightly wider than a diameter of the central conductor  21  such that side faces of the central conductor  21  can be supported from the both sides. Further, when central positions of the two support pieces  5 ,  5  are constituted by predetermined positions, it is preferable that the above-described interval is set to a degree of not bringing about trouble in soldering even when shifted from the predetermined positions. Thereby, the first positioning portion  3  can restrict a position in the left and right direction of the front end portion of the central conductor  21  which is most liable to shift from the predetermined position of the connecting line portion  2  by the support pieces  5 ,  5 . Further, the first positioning portion  3  can make the support pieces  5 ,  5  present over a wide range in the front and rear direction and therefore, even when there is more or less error in a length of the central conductor  21  exposed, the front end portion of the central conductor  21  can firmly be disposed between the support pieces  5 ,  5 . 
     Further, entire of the two support pieces  5 ,  5  from lower portion to upper portion thereof is bent to inner side direction. Thereby, according to the first positioning portion  3 , by reducing the interval between the two support pieces  5 ,  5  from the lower portions to the upper portions, positioning of the central conductor  21  in the left and right direction and the up and down direction in the first positioning portion  3  can be carried out with high accuracy. Further, the entire of the two support pieces  5 ,  5  from the lower portion to the upper portion may be inclined in the inner side direction, or the two support pieces  5 ,  5  may be erected from the lower portions to the upper portions and only the upper portions may be bent or bent and folded to the inner side directions. 
     Meanwhile, the rear end portion of the connecting line portion  2  is provided with the second positioning portion  4 . The second positioning portion  4  includes a positioning piece  7  formed by cutting to raise a portion of the second positioning portion  4  in the axis core direction of the central conductor, and a guide groove  8  formed at a central portion of the positioning pieces  7 . The guide groove  8  is set to a width equivalent to or slightly wider than the diameter of the central conductor  11 . Further, when a central position of the guide groove  8  is constituted to be a predetermined position, it is preferable that the groove width of the guide groove  8  is set to a degree not bringing about trouble in soldering even when shifted from the predetermined position. Thereby, the second positioning portion  4  enables to support the root side of the central conductor  21  in the left and right direction and enables to accurately position the central conductor  21  also in the front and rear direction by bringing the positioning piece  7  into contact with an end face of the insulator  24 . 
     As shown by FIG. 2, the contact  1  constituted as described above is contained in a housing  30 . As shown by FIGS. 1A and 1B, the housing  30  is formed by molding an insulating material. Here, as an insulating material, any material which is synthetic resin of PBT, nylon species, PPS species, LCP species and the like and provided with insulating performance can be used, The housing  30  includes a housing main body  31  substantially in a cylindrical shape, a housing lid  32  covering an upper side of the contact, and a first latching mechanism  33  for maintaining a contact state of the housing lid  32  with the housing main body  31 . The housing lid  32  is formed such that one side of an upper end portion of the housing main body  31  constitutes a fixed end thereof. Further, by bending and folding the housing lid  32  at the fixed end, a free end side thereof can be brought into contact with other side of the upper edge portion of the housing main body  31  to cover the upper side of the contact  1 . 
     The above-described housing main body  31  is provided with an upper side housing portion  40  and a lower side housing portion  41  respectively on an upper side and a lower side thereof. Further, the housing main body  31  is provided with a contact containing hole  37  for containing the contact  1  at a central portion thereof. The contact containing hole  37  includes a first containing portion  37   a , a second containing portion  37   b  and a third containing portion  37   c . The second containing portion  37   b  is arranged at the central portion of the contact containing hole  37  and communicated with the housing main body  31  penetrated from its upper face to its lower face. Further, the first containing portion  37   a  contains the connecting line portion  2  and the contact portions  9 ,  9  of the contact  1  of FIG.  2 . Further, the first containing portion  37   a  and the third containing portion  37   c  are arranged respectively on one side and the other side with the second containing portion  37   b  being the center thereof. The second containing portion  37   b  and the third containing portion  37   c  are formed in a recessed shape in the upper side housing  40 . Further, the first containing portion  37   a  contains the first positioning portion  3  on the front end side of the contact  1  of FIG.  2 . The third containing portion  37   c  contains the second positioning portion  4  on the tear end side of the contact  1  of FIG.  2 . 
     Further, the upper side housing portion  40  is provided with a main body side latching portion  34 . The main body side latching portion  34  is arranged on other side of the upper edge portion of the housing main body  31  with which the free end side of the above-described housing lid  32  is brought into contact. The main body side latching portion  34  includes a fitting groove  34   a  set to a predetermined width and projected portions  34   b ,  34   b  projected inwardly from upper end portions of side faces of the fitting groove  34   a . The fitting groove  34   a  is formed in a radius direction from the contact containing hole  37  to an outer peripheral face. 
     The above-described main body side latching portion  34  constitutes a portion of the first latching mechanism  33 . The first latching mechanism  33  is provided with a lid side latching portion  35  in addition to the above-described main body side latching portion  34 . The lid side latching portion  35  is arranged on the free end side of the housing lid  32 . The lid side latching portion  35  includes a projected piece  35   a  projected from substantially a central portion of the free end of the housing lid  32 . A width of the projected piece  35   a  is set to be equal to the interval between the projected portions  34   b ,  34   b . Further, stepped portions  35   b ,  35   b  are formed at both side faces of the projected piece  35   a . A width including the stepped portion  35   b ,  35   b  and the projected piece  35   a  is set to be a width slightly narrower than the groove width of the fitting groove  34   a . When the projected piece  35   a  is fitted to the fitting groove  34   a , upper faces of the stepped portions  35   b ,  35   b  are brought into contact with the projected portions  34   b ,  34   b . Further, by bringing the stepped portions  35   b ,  35   b  into contact with the projected portions  34   b ,  34   b , holding force for maintaining the housing lid  32  of being brought into contact with the housing main body  31  is produced. 
     Further, as shown by FIG. 2, the upper side housing portion  40  of the housing main body  31  is formed with the cable containing portion  42  for containing the insulator  24  of the coaxial cable  24 . The cable containing portion  42  is linearly formed with the containing groove  42   a . The containing groove  42   a  is set to the groove width and the groove depth larger than the outer diameter of the insulator  24  to contain the insulator  24  therein. Further, as shown by FIG. 1A, the containing groove  42   a  is formed to direct from a side face of the housing main body  31  to the central portion of the housing main body  31 , and in a groove direction of the containing groove  42   a , the third containing portion  37   c , the second containing portion  37   b  and the first containing portion  37   a , mentioned above, are arranged in this order from the side of the containing groove  42   a . Thereby, as shown by FIG. 2, the contact  1  soldered with the coaxial cable  20  is brought into a fixed state in a horizontal face by containing the first positioning portion  3 , the connecting line portion  2 , the second positioning portion  4  and the insulator  24  respectively into the first containing portion  37   a , the second containing portion  37   b , the third containing portion  37   c  and the cable containing portion  42 . 
     As shown by FIGS. 1A and 1B, the groove direction of the containing groove  42   a  in the above-described cable containing portion  42  is set to be orthogonal to a longitudinal direction of the housing lid  32  which is brought into contact with the housing main body  31 . Thereby, the housing lid  32  covers the contact  1  by closing the housing lid  32  from a side direction of the coaxial cable  20  contained in the housing main body  31 . Further, it is preferable that the first positioning portion  3  and the second positioning portion  4  of the contact  1  are covered with the housing lid  32  while being in contact therewith, or covered there with being press contact therewith. In this case, the two positioning portions  3  and  4  can solidly be fixed. 
     A cover portion  32   a  is formed at a side face of the above-described housing lid  32 . The cover portion  32   a  is arranged to cover an upper side of the shield conductor  23  of the coaxial cable  20  contained in the cable containing portion  42 . Further, by covering the upper side of the shield conductor  23 , the cover portion  32   a  can prevent the side of the shield conductor  23  from floating up when force of pushing upwardly is exerted to the coaxial cable  20 . Further, the cover portion  32   a  may cover the coaxial cable  20  with a gap therebetween, may cover the coaxial cable  20  in a contact state therewith, or may cover the coaxial cable  20  in a press contact state therewith. 
     As shown by FIG. 2, the housing  30  constituted as described above is contained in a shell  51 . The shell  51  is formed by processing a metal plate. Here, as a material for the metal plate, metals such as iron, aluminum, copper and alloys having these metals as their major components can be pointed out. The shell  51  includes a shell main body  52  for containing the housing  30  therein and a shell lid  53  integrally provided to the shell main body  52 . The shell main body  52  includes a housing main containing portion  54  and a housing sub containing portion  55 . The housing main containing portion  54  is formed in a shape of cylinder with its upper face and lower faces open so as to contain the upper side housing portion  40  and the lower side housing portion  41  therein. Further, the housing sub containing portion  55  is formed in a shape of box an upper face of which is opened to contain the cable containing portion  42  of the housing main body  31 . 
     Meanwhile, the shell lid  53  is provided at an upper edge portion of the housing main containing portion  54 . The shell lid  53  is arranged to be opposed to the housing sub containing portion  55  and made to be able to bend to fold at a connecting portion  53   a . The shell lid  53  includes a first lid portion  53   b  for covering the upper face of the housing main containing portion  54 , a second lid portion  53   c  for covering the upper face of the housing sub containing portion  55 , a conductor press attach portion  53   d  which is to be brought into press attach with the shield conductor  23  of the coaxial cable  23 , and an outer skin press attach portion  53   e  which is to be brought into press attach with the outer skin  22  of the coaxial cable  20 . Further, the shell lid  53  before being bent to fold is in an erected state to the housing main containing portion  54  to be able to contain the housing  30  by opening the upper face of the housing main containing portion  54 . Further, when the shell lid  53  is inclined to ward the shell main body  52  by being bent to fold at the connecting portion  53   a , the upper faces of the upper side housing portion  40  and the cable containing portion  42  contained in the shell main body  52  are allowed to be covered respectively by the first lid portion  53   b  and the second lid portion  53   c  and the conductor press attach portion  53   d  is allowed to be brought into press attach with the shield conductor  23  of the coaxial cable  20 . 
     The above-described shell lid  53  is arranged such that the longitudinal direction of the shell lid  53  is orthogonal to the longitudinal direction of the housing lid  32  when the shell lid  53  is inclined to fall to the shell main body  52 . Further, the shell lid  53  can be arranged at an arbitrary position so far as the shell lid  53  is set in a positional relationship that the shell lid  53  does not overlap the housing lid  32  in the erected state. 
     In the above-described constitution, a method of fabricating the housing  30  and the coaxial connector will be explained. 
     (Contact Fabricating Step) 
     First, as shown by FIG. 2, a thin metal plate in a strip-like shape is prepared and the strip-like metal plate is carried into a pressing apparatus. In the pressing apparatus, while one side in a width direction of the strip-like metal plate is remained as a carrier, the other side thereof is cut and deformed, and thereby, the contacts  1  connected to the carrier, not illustrated, at equal intervals are continuously formed. Thereafter, the contacts  1  are wound to a reel in a roll-like shape along with the carrier. 
     (Housing Fabricating Step) 
     In a housing fabricating step, the housing  30  is formed by molding such as injection molding. That is, a die having a cavity in correspondence with an outer shape of the housing  30  as shown by FIGS. 1A and 1B is prepared. Incidentally, it is preferable that the cavity is formed such that a plurality of housings  30  can be molded by one step of injection molding. Thereafter, the die is set to an injection molding machine and a granular synthetic resin material having insulating performance is supplied to the injection molding machine. Then, in the injection molding machine, the synthetic resin material is heated and pressed into a liquid state and pressed into the cavity inside the die. After cooling for a predetermined period of time, the die is opened and the housing  30  is taken out from it. 
     (Soldering Step) 
     The above-described contact  1  in the roll state is set to a reel out apparatus and the contact located in the front end is mounted to a fixing tool for welding operation. Incidentally, mounting the contact  1  is mounted, to prevent flow of solder, such that the upper face of the connecting line portion  2  becomes horizontal. Thereafter, as shown by FIG. 4A, the coaxial cable  20  cut in a predetermined length is prepared. By subjecting a front end portion of the coaxial cable  20  to a two-stage peeling process by a jig of a stripper or the like, the central conductor  21 , the insulator  24  and the shield conductor  23  are respectively exposed. A exposed length of the central conductor  21  is set to a value substantially equal to the interval between the first positioning portion  3  and the second positioning portion  4  of the contact  1  so that the front end portion of the central conductor  21  is disposed inside the first positioning portion  3 . Further, the coaxial cable  20  previously subjected to the two-stage peeling may be prepared. 
     Next, the coaxial cable  20  subjected to the two-stage peeling is moved to the fixing piece on an upper side of the contact  1 . The coaxial cable  20  is set to the contact  1  such that the central conductor  21  is brought into contact with the connecting line portion  2  of the contact  1 . At this occasion, the end face of the insulator  24  of the coaxial cable  20  is brought into contact with the positioning pieces of the second positioning portion  4 . Thereby, the central conductor  21  is positioned in the front and rear direction of the connecting line portion  2 . As a result, the rear end portion constituting the root side of the central conductor  21  is positioned inside the guide groove  8  of the second positioning portion  4  and the front end side is positioned between the support pieces  5 ,  5  of the first positioning portion  3 . Incidentally, even when there is more or less error in the exposed length of the central conductor  21 , since the support pieces  5 ,  5  are formed by cutting to raise a portion of the first positioning portion  3  to be opposed at both sides of the central conductor  21 , the central conductor  21  is, firmly disposed between the support pieces  5 ,  5 . 
     As a result, two portions, the front end portion and the rear end portion of the central conductor  21 , become supportable respectively by the positioning portions  3 ,  4 , so that the central conductor  21  is positioned within an allowable range in the left and right direction relative to the predetermined position. Particularly, since the front end portion of the central conductor  21  which is most liable to shift from the predetermined position of the connecting line portion  2  is restricted in the left and right direction between the support pieces  5 ,  5 , the front end portion is positioned in the left and right direction with high accuracy. Further, by reducing the interval between the two support pieces  5 ,  5  from the lower portions to the upper portions by being bent to the inner side directions, the front end portion of the central conductor  21  is brought into a state of being contained between the support pieces  5 ,  5 . Thereby, even in a state in which the front end portion of the central conductor  21  is warped back upwardly, the front end portion of the central conductor  21  is positioned in the left and right direction and in the up and down direction. 
     Thereafter, as shown by FIG. 4B, the central conductor  21  is connected to the connecting line portion  2  by soldering while maintaining the contact state with the connecting line portion  2 . When soldering is carried out, solder  60  in a liquid state flows from the central conductor  21  toward outer sides of the connecting line portion  2 . At this occasion, the solder  60  flowing in the left and right direction of the connecting line portion  2  is sufficiently prevented from flowing out to the contact portions  9 ,  9  disposed at both end portions in the left and right direction since the central conductor  21  is disposed on a center line in the left and right direction of the connecting line portion  2 . Further, the solder  60  flowing in the front and rear direction of the connecting line portion  2  is sufficiently prevented from leaking to the rear surface side of the connecting line portion  2  since the support pieces  5 ,  5  of the first positioning portion  3  and the positioning pieces  7  function as walls for hampering the solder from flowing. As a result, even when there is more or less dispersion in the exposed length of the central conductor  21 , or the front end portion or entire of the central conductor  21  is curved, the central conductor  21  can firmly be connected to the connecting line portion  2  by soldering and a deterioration of quality by flowing out the solder  60  from the connecting line portion  2  can be prevented. 
     When the above-described soldering operation is finished, the contact  1  is cut from the carrier, not illustrated. Further, the contact  1  is removed from the fixing tool and is carried to a successive mounting step. 
     (Mounting Step) 
     At a mounting step, first, as shown by FIG. 2, the shell  51  is set to a mounting apparatus, not illustrated. Then, the housing  30  is set to the housing main containing portion  54  of the shell  51 . At this occasion, by containing the cable containing portion  42  of the housing main body  31  in the housing sub containing portion  55  of the shell main body  52 , the housing  30  is brought into a state of being fixed to the shell main body  52  in a horizontal plane. 
     Next, the contact  1  accompanied by the coaxial cable  20  formed at the soldering step is inserted into the contact containing hole  37  of the housing main body  31 . Further, by containing the insulator  24  of the coaxial cable  20  in the containing groove  42   a  of the cable containing portion  42 , the contact  1  is brought into a state of being fixed to the housing main body  31  in a horizontal plane. Thereafter, also as shown by FIGS. 1A and 1B, by bending to hold the fixed end portion of the housing lid  32 , the housing lid  32  is inclined to fall to a side of the housing main body  31  and the free end side of the housing lid  32  is brought into contact with the other side of the upper edge portion of the housing main body  31 . Thereby, by bringing the housing lid  32  into a closed state, the upper side of the contact  1  is covered with the housing lid  32 . 
     Further, when the free end side of the housing lid  32  is brought into contact with the other side of the upper edge portion of the housing main body  31  by inclining to fall the housing lid  32 , the lid side latching portion  35  of the housing lid  32  is fitted to the main body side latching portion  34  of the housing main body  31 . As a result, by bringing the stepped portions  35   b ,  35   b  of the lid side latching portion  35  into contact with the projected portions  34   b ,  34   b  of the main body side latching portion  34 , there is brought about a state that the lid side latching portion  35  and the main body side latching portion  34  are latched. The latched state generates holding force which functions to maintain the housing lid  32  inclined to fall, in other words, a contact state of the tree end side of the housing lid  32  with the other side of the upper edge portion of the housing main body  31 . 
     At this occasion, as described above, the first latching mechanism  33  is arranged on the free end side sufficiently remote from the fixed end of the housing lid  32 . Therefore, in comparison with, for example, a case in which a latching mechanism in correspondence with the first latching mechanism  33  is provided on the root side of the housing lid  32 , the holding force exerted to the housing lid  32  works as large moment. As a result, since the holding force can be operated with sufficiently large moment, the contact state of the housing lid  32  can be ensured. 
     Further, when the housing lid  32  is brought into the closed state as described above, as shown by FIG. 2, the cover portion  32   a  covers the upper side of the insulator  24  of the coaxial cable  20 . Thereby, even when upward force of pushing up the coaxial cable  20  is exerted thereto, the side of the insulator  24  of the coaxial cable  20  can be prevented from floating up. 
     Next, by bending to fold the connecting portion  53   a  of the shell lid  53 , the shell lid  53  is inclined to fall in a direction of the shell main body  52 . The housing portions  40 ,  41  of the housing main body  31  are covered with the first lid portion  53   b . The insulator  24  of the coaxial cable  20  contained in the cable containing portion  42  is covered with the second lid portion  53   c . Further, the shield conductor  23  and the outer skin  22  are brought into contact and press attach respectively with the conductor press attach portion  53   d  and the outer skin press attach portion  53   e . As a result, as shown by FIG. 3, there is formed a coaxial connector  61  having a constitution in which the contact  1  soldered to connect with the central conductor  21  of the coaxial cable  20  and the shell  51  connected with the shield conductor  23  are electrically insulated from each other by the housing main boy  31 . Incidentally, when the coaxial connector  61  is constituted by closing the shell lid  53 , the housing lid  32  is maintained closed to the housing main body  31 . Therefore, since the contact  1  is contained in the regular containing attitude inside the housing  30 , an acceptable product of the coaxial connector  61  is formed with high yield. 
     As described above, as shown by FIGS. 1A and 1B and FIG. 2, the contact  1  of the embodiment is provided with the housing main body  31  for containing the contact  1  connected with the central conductor  21  of the coaxial cable  20 , the housing lid  32  formed such that one side of the upper edge portion of the housing main body  31  constitutes the fixed end and covering the upper side of the contact side by being bent to fold at the fixed end such that the free end side is brought into contact with the other side of the upper edge portion of the housing main body  31 , and the first latching mechanism formed on the other side of the upper edge portion of the housing main body  31  and the free end side of the housing lid  32  and maintaining the contact state of the housing lid  32  with the housing main body  31 . 
     According to the above-described constitution, when the free end side of the housing lid  32  is brought into contact with the other side of the upper edge portion of the housing main body  31  by bending to fold the housing lid  32  at the fixed end on the one side of the upper edge portion of the housing main body  31 , at the free end side of the housing lid  32  and the other side of the upper edge portion of the housing main body  31 , the holding force by the first latching mechanism  33  operates to maintain the contact state. Further, since the first latching mechanism  33  is arranged on the free end side sufficiently remote from the fixed end of the housing lid  32 , in comparison with, for example, the case in which the first latching mechanism  33  is provided on the root side of the housing lid  32 , the holding force exerted to the housing lid  32  operates as large moment. As a result, even when upward force is exerted to the contact  1  or the coaxial cable  20  connected to the contact  1 , the housing lid  32  can be made difficult to deform to prevent from turning up. Thereby, the housing lid  32  can be prevented from being opened and therefore, a drawback that the contact  1  contained in the housing main body  31  is floated up to be out of the regular containing attitude can be prevented. 
     Further, according to the embodiment, the housing main body  31  contains the contact  1  such that the insulator  24  of the coaxial cable  20  is disposed at a portion deviated from the free end side of the housing lid  32 , and the housing lid  32  is formed with the cover portion  32   a  to cover the upper side of the insulator  24  of the coaxial cable  20  contained in the housing main body  31 . 
     According to the above-described constitution, by covering the upper side of the insulator  24  of the coaxial cable  20  with the cover portion  32   a , when upward pushing force is exerted to the coaxial cable  20 , the side of the insulator  24  of the coaxial cable  20  can be prevented from floating up. As a result, the pushing up force from the coaxial cable  20  can be made difficult to transmit to the contact. Thereby, the contact  1  can be contained in the regular containing attitude inside the housing main body  31  and the contact  1  can be prevented from floating up. 
     Although the invention has been explained based on the preferable embodiment, the invention can be modified within a range of not departing from the gist. That is, although according to the embodiment, the first latching mechanism  33  is constituted by a set of the main body side latching portion  34  and the lid side latching portion  35 , the invention is not limited thereto but the first latching mechanism  33  may be constituted by two sets or more of the main body side latching portions  34  and the lid side latching portion  35 . For example, as shown by FIGS. 5A and 5B, a left and right pair of main body side latching portions  71 ,  71  may further be arranged on both sides of the main body side latching portion  34  and a left and right pair of lid side latching portions  72 ,  72  may further be arranged on both sides of the lid side latching portion  35 . 
     Each of the above-described main body side latching portions  71  is constituted by a fitting groove  71   a  opened to the contact containing hold  37 , and the projected portion  71   b  projected from a wall face on a depth side of the fitting groove  71   a  to an opening side. Meanwhile, each of the lid side latching portions  72  is provided with a width to be fitted to the fitting groove  71   a  and a front end portion thereof is formed in a shape of a plate having a length latched by the projected portion  71   b . Further, the first latching mechanism  33  constituted in this way can be maintained with the housing lid  32  closed by large holding force by respectively latching the lid side latching portions  35 ,  72 ,  72  by the main body side latching portions  34 ,  71 ,  71 . 
     Further, the cover portion  32   a  and the housing main body  31  may be provided with a third latching mechanism  73  for maintaining the upper side of the insulator  24  of the coaxial cable  20  covered. The third latching mechanism  73  can be constituted by stepped portions  73   a ,  73   a  provided at both side faces of the cover portion  32   a  and projected portions  73   b ,  73   b  projected inwardly from upper end portions of both side faces of the containing groove  42   a . According to the constitution, by latching the stepped portions  73   a ,  73   a  of the cover portion  32   a  by the projected portions  73   b ,  73   b  of the containing groove  42   a , pushing up force from the coaxial cable  20  can be made further difficult to transmit to the contact  1  and the housing lid  32  can further be prevented from turning upwardly. 
     Further, as shown by FIGS. 6A and 6B, the housing  30  may be provided with a fourth latching mechanism  74  formed at predetermined portions of the housing main body,  31  and the housing lid  32  other than portions formed with the first latching mechanism  33  and the cover portion  32   a  for maintaining the contact state of the housing lid  32  with the housing main body  31  into contact with each other. Specifically, the fourth latching mechanism  74  includes a main body side latching portion  75  provided at the housing main body  31  and a lid side latching portion  76  formed at a side face of the housing lid  32 . The main body side latching portion  75  is constituted by a fitting groove  75   a  opened to the contact containing hole  37  and a projected portion  75   b  projected from a wall face on a depth side of the fitting groove  75   a  to an opening side. Meanwhile, each of the lid side latching portions  72  is of a width fitted to the fitting groove  75   a  and a front end portion thereof is formed in a shape of a plate having a length to be latched by the projected portion  75   b . According to the constitution, engagement of the housing lid  32  to the housing main body  31  is further ensured by the holding force of the fourth latching mechanism. 
     Further, although the housing  30  according to the embodiment is formed such that when the housing lid  32  is closed, the longitudinal direction of the housing lid  32  is orthogonal to the axis core direction of the coaxial cable  20  (central conductor  21 ), the invention is not limited thereto but the housing  30  may be formed such that the longitudinal direction is intersected therewith by an angle other than the right angle direction. 
     Further, the housing main body  31  may be formed such that when the housing lid  32  is closed, the longitudinal direction of the housing lid  32  coincides with the axis core direction of the coaxial cable  20  (central conductor  21 ). That is, as shown by FIG. 7, a housing  81  may be constructed to contain the contact  1  such that the free end side of the housing lid  32  covers the upper side of the insulator  24  (dielectric portion) of the coaxial cable  20 . Explaining more specifically, the fixed end of the housing lid  32  and the cable containing portion  42  are arranged to be opposed to each other via the contact containing hole  37 . The free end side of the housing lid  32  is provided with the lid side latching portion  35  and the upper edge portion of the housing main body  31  on the side of the cable containing portion  42  is provided with the main body side latching portion  34 . 
     According to the above-described constitution, by covering the upper side of the insulator  24  of the coaxial cable  20  with the free end side of the housing lid  32 , when upward pushing force is exerted to the coaxial cable  20 , the insulator  24  of the coaxial cable  20  can be prevented from floating up. As a result, pushing up force from the coaxial cable  20  can be made difficult to transmit to the contact  1  and the housing lid  32  can be prevented from turning upwardly. Further, the first latching mechanism  33  serves to achieve both pressing function of the coaxial cable  20  and maintaining function of the housing lid  32  in the closed state. 
     Further, as shown by FIG. 8, the housing  81  may be provided with a second latching mechanism  82  formed at predetermined portions of the housing main body  31  and the housing lid  32  other than portions formed with the first latching mechanism  33 , in order to maintain the contact state of the housing lid  32  and the housing main body  31 . That is, the second latching mechanism  82  includes a main body side latching portion  84  provided at the housing main body  31  and a lid side latching portion  83  formed at a side face of the housing lid  32 . The main body side latching portion  84  is constituted by a fitting groove  84   a  opened to the contact containing hole  37  and a projected portion  84   b  projected from a wall face on a depth side of the fitting groove  84   a  to an opening side. Meanwhile, each of the respective lid side latching portions  83  is of a width fitted to the fitting groove  84   a  and a front end portion thereof is formed in a shape of a plate having a length to be latched by the projected portion  84   b . According to the constitution, engagement of the housing lid  32  to the housing main body  31  can further be ensured by the holding force of the second latching mechanism  82 . 
     Further, although as shown by FIG. 2, each of the housings  30 ,  81  according to the embodiment is constituted to contain the contact  1  arranged with the first positioning portion  3  and the second positioning portion  4  respectively at the front end portion and the rear end portion of the connecting line portion  2 , the invention is not limited thereto. That is, as shown by FIGS. 9A through 9C, the housing may be constituted to contain a contact  11  having a contact fixing portion  12  in a flat plate shape at a front end portion thereof. 
     The above-described contact  11  includes the connecting line portion  2 , the contact portions  9 ,  9  provided at the both end portions in the left and right direction of the connecting line portion  2 , the second positioning portion  4  provided at the rear end portion of the connecting line portion  2 , the contact fixing portion  12  provided at the front end portion of the connecting line portion  2 , and wall portions  13 ,  13  raised from both end portions in the left and right direction of the contact portions  9 . Further, a housing  90  for containing the contact  11  constituted in this way includes the housing main body  31  and the housing lid  32 . The housing main body  31  is formed with the first containing portion  37   a  (concave portion) for containing the contact fixing portion  12  constituted by extending a portion of the contact  11 . A lower face of the housing lid  32  is formed with a convex portion  14  for pinching the contact fixing portion  12  by being fitted to the first containing portion  37   a . According to the constitution, since the contact fixing portion  12  is pinched by the first containing portion  37   a  and the convex portion  14 , the contact  11  can be fixed in the housing  90  in a stable state. 
     Incidentally, it is preferable to fit the convex portion  14  to the above-described first containing portion  37   a  by press-fitting. Thereby, the contact fixing portion  12  is pinched by the first containing portion  37   a  and the convex portion  14  by press-fitting and therefore, the contact  11  can be fixed inside the housing  90  in a stable state and solidly. 
     Further, the contact  11  of FIGS. 9A,  9 B and  9 C may be contained in the housing  91  shown in FIG.  11 . The housing  91  includes the housing main body  31  and the housing lid  32 . The housing main body  31  is formed with the first containing portion  37   a  (concave portion) for containing the contact fixing portion  12  constituted by extending a portion of the above-described contact  11  of FIGS. 9A,  9 B and  9 C. Further, the housing lid  32  is formed in a stepped shape in which a portion thereof is pushed out toward the first containing portion  37   a  to be brought into contact with the contact fixing portion  12  contained in the first containing portion  37   a . According to the constitution, the contact fixing portion  12  is contained in the first containing portion  37   a  while being brought into contact with a pushed-out portion  32   b  of the housing lid  32  and therefore, the contact  11  can be fixed inside the housing main body  31  in a stable state. 
     AVAILABILITY ON INDUSTRY 
     The housing and the coaxial connector having the housing, explained above, can be applied to electronic apparatus or the like of information terminal apparatus, computer related apparatus or the like.