Patent Publication Number: US-2023160548-A1

Title: Illuminating lamp

Description:
TECHNICAL FIELD 
     The present disclosure relates to the field of illuminating lamps, in particular to a strip-shaped illuminating lamp. 
     BACKGROUND 
     Illuminating lamps are indispensable electrical appliances in people&#39;s life, and it can provide light for people in the case of dark ambient light. 
     A strip-shaped illuminating lamp is one kind of the illuminating lamps, it includes a housing, a lampshade, and a lamp panel arranged between the housing and the lampshade, and it is an LED illuminating lamp which is used to replace of traditional lamps such as fluorescent tubes and neon lamps. 
     When a user mounts several existing strip-shaped illuminating lamps, a socket connected to the mains supply needs to be reserved for each strip-shaped illuminating lamp; when a plurality of strip-shaped lighting lamps are mounted, there are certain requirements for a mounting environment, and it is very troublesome and inconvenient for the user to mount a plurality of strip-shaped illuminating lamps. 
     SUMMARY 
     In order to overcome defects in the prior art, the present disclosure provides an illuminating lamp which is provided with an electric power input structure and an electric power output structure so that when a user mounts a plurality of illuminating lamps, it is only needed to provide a socket connected to a mains supply in a mounting environment, and mounting is very convenient. 
     To achieve the foregoing objective, the present disclosure adopts the following technical solutions to implement: 
     an illuminating lamp, including: 
     a housing, which is provided with a driving device, an electric power input structure and an electric power output structure matching the electric power input structure, the electric power input structure being electrically connected to the electric power output structure and the driving device respectively; 
     a lampshade, which is fixedly arranged on an outer side of the housing and forms an illuminating cavity with the housing, and 
     a lamp panel, which is arranged in the illuminating cavity, the driving device being connected to the lamp panel via a wire to drive the lamp panel to operate and emit light. 
     With the above-mentioned structure adopted, it is very convenient for the user to mount a plurality of the illuminating lamps, and only one socket connected to the mains supply is required at a place of mounting, which greatly increase the applicable environments of the illuminating lamp. 
     During mounting, mounting of a first one of the illuminating lamps is completed near the socket connected to the mains supply, and the electric power input structure on it is connected to the socket connected to the mains supply; a second one of the illuminating lamps is mounted near the first one of the illuminating lamps, and the electric power input structure on the second one of the illuminating lamps is connected to the electric power output structure on the first one of the illuminating lamps; a third one of the illuminating lamps is mounted near the second one of the illuminating lamps, and the electric power input structure on a third illuminating lamp is connected to the electric power output structure on the second one of the illuminating lamps; by analogy, mounting of the illuminating lamps in a number required by the user is completed. 
     Specifically, the housing is provided with a wire passing hole at the illuminating cavity so as to facilitate routing of the wire between the driving device and the lamp panel, and a wire passing piece is arranged at the wire passing hole. 
     Further, the illuminating lamp is a strip-shaped illuminating lamp. 
     Further, the housing includes a housing body, and first end covers, the housing body has a driving cavity penetrating two ends thereof, and the driving device is arranged in the driving cavity; two side openings of the first end covers are arranged respectively at the two ends of the housing body in a covering mode so as to seal the driving cavity. 
     The lampshade includes a lampshade body, and second end covers, and the lampshade body is arranged on an outer side of the housing body and forms the illuminating cavity with two ends open with the housing body; two side openings of the second end covers are arranged respectively at two ends of the lampshade body in a covering mode so as to seal the illuminating cavity. 
     With the above-mentioned structure adopted, arrangement of the first end cover and the second end cover can prevent impurities such as dust from entering the driving cavity and the illuminating cavity, and facilitates integral mounting of the illuminating lamp. 
     Further, the first end cover and the second end cover located on the same side of the illuminating lamp are an integral piece and form a total end cover. 
     With the above-mentioned structure adopted, in production, personnel for mounting only need to perform mounting once, and then can seal an opening in the same side of the driving cavity and the illuminating cavity, so as to improve production efficiency and facilitate actual production. 
     Further, the total end cover is provided with an elastic clamping buckle, and correspondingly, the housing body is provided with fixing clamping grooves matching the elastic clamping buckles; and/or the total end cover is provided with a first fixing hole for a screw to pass through, the housing body is provided with a second fixing hole for a screw to pass through, and the first fixing hole is aligned with the second fixing hole in a state where the end cover is mounted on the housing body. 
     Further, the electric power input structure and the electric power output structure are respectively arranged at two ends of the housing. 
     When the illuminating lamp is the strip-shaped lamp, the above-mentioned structure is adopted to facilitate connection between the electric power input structure and the electric power output structure between two adjacent ones of the illuminating lamps. 
     Specifically, the electric power input structure and the electric power output structure are respectively arranged on the first end covers on two sides of the housing. 
     Further, the electric power input structure includes a male plug provided with plug bodies; the electric power output structure includes a female socket provided with jacks. 
     Further, the male plug is a three-wire plug; the female socket is a three-hole socket; the three-wire plug includes a null wire pin, a live wire pin and an earth wire pin, and the three-hole socket includes a null wire jack, a live wire jack and an earth wire jack; the null wire jack is electrically connected to the null wire pin, the live wire jack is electrically connected to the live wire pin, and the earth wire jack is electrically connected to the earth wire pin; the housing is at least partially made of metal; and the earth wire pin is electrically connected to a metal part of the housing. 
     A main body part of the housing in the housing is generally made of a metal material, and with the above-mentioned structure adopted, both the three-wire plug and the three-hole socket can make the metal part of the housing grounded, so as to ensure safety of the illuminating lamp during use, and avoid occurrence of accidents caused by an electric leakage phenomenon. 
     Further, the earth wire jack of the three-hole socket is electrically connected to the metal part of the housing and is electrically connected to the earth wire pin of the three-wire plug through the metal part of the housing or the earth wire jack of the three-hole socket is electrically connected to the earth wire pin of the three-wire plug directly. 
     Specifically, the housing is provided with grounding structures in the vicinity of the electric power input structure and the electric power output structure respectively in a state where the earth wire jack is electrically connected to the earth wire pin through the metal part of the housing. 
     The grounding structure includes an earth wire connecting head, a joint fixing piece provided with a fixing portion and a stop head, and a locking gasket matching the fixing portion; the housing is provided with a penetrating hole at a position where the grounding structure is arranged, and a hole diameter of the penetrating hole is greater than a diameter of the fixing portion and less than a diameter of the stop head and the locking gasket; the earth wire connecting head includes a wire connecting end and a mounting portion connected to the wire connecting end; the mounting portion is provided with a grounding mounting hole matching the fixing portion; the fixing portion of the fixing piece is matched with the locking gasket to be mounted after passing through the penetrating hole, the stop head and the locking gasket respectively abut against two sides of an end face of the housing provided with the penetrating hole, and the earth wire connecting head is mounted on the fixing portion via the mounting portion and abuts against the locking gasket; the wire connecting end of the earth wire connecting head is connected to the earth wire pin or the earth wire jack; and the earth wire connecting head, the joint fixing piece and the locking gasket are made of conductive materials, and the joint fixing piece is a screw. 
     Further, the illuminating lamp includes a pull switch for controlling an operating state of the lamp panel. 
     With the above-mentioned structure adopted, the user can operate the pull switch to open and close the illuminating lamp; specifically, the pull switch is connected to the driving device, and the driving device is used for receiving a signal of the pull switch to control the operating state of the lamp panel; and the pull switch is arranged on the first end cover. 
     Further, the illuminating lamp includes at least two hanging chains arranged on the housing for hanging the illuminating lamp. 
     With the above-mentioned structure adopted, the user can mount the illuminating lamp to a ceiling via the hanging chain; specifically, the illuminating lamp includes an S-shaped lifting hook, the housing is provided with a lifting hook fixing hole for one end of the S-shaped lifting hook to pass through for connection, and one end of the hanging chain is connected to the other end of the S-shaped lifting hook; two hanging chains are arranged, and are symmetrically arranged on the housing and the two hanging chains are respectively arranged close to the two ends of the housing, and the above-mentioned structure ensures mounting stability of the illuminating lamp. 
     Further, the first end cover includes a first bottom cover matching the opening of the driving cavity, and a first side wall formed when an edge of the first bottom cover extends towards a side of the housing body, and a matching portion formed when one end, facing the driving cavity, of the first side wall extends into the driving cavity; 
     the second end cover includes a second bottom cover matching the opening of the illuminating cavity, and a second side wall formed when an edge of the second bottom cover extends towards a side of the lampshade body, the second side wall and the second bottom cover form a limiting cavity, and an end portion of the lampshade body arranged in the limiting cavity. 
     The electric power input structure and the electric power output structure are arranged on the first bottom cover; the first fixing hole is formed in the matching portion, and the elastic clamping buckle is arranged at a connection position of the first end cover and the second end cover. 
     Further, two ends of a lampshade mounting face of the housing for mounting the lampshade extend on two sides of the lampshade to form light reflecting side plates, and the light reflecting side plates and the lampshade mounting face form a light reflecting hood. 
     With the above-mentioned structure adopted, it is possible to increase a utilization rate of light emitted from the lamp panel. 
     Further, the lampshade mounting surface includes a mounting main body surface, and connecting surfaces for connecting the mounting main body surface and light reflecting side plates, and one end of the connecting surface connected with the light reflecting side plate is inclined towards an opposite side of the lampshade mounting surface of the housing, and the light reflecting side plate is of an arc-shaped structure protruding to a side away from the lampshade. 
     With the above-mentioned structure adopted, the utilization rate of the light emitted from the lamp panel is further increased. 
     Further, the housing is provided with a pair of first slideways in a length direction thereof, the two ends of the lampshade are provided with hook-shaped insertion portions, and the insertion portions are inserted into the first slideways. 
     The housing is provided with a pair of second slideways in the length direction thereof, and the lamp panel is inserted into the second slideways. 
     Further, the lamp panel includes a substrate, and one or more rows of LED lamps in a length direction of the substrate. 
     Further, one end of the housing body close to the lampshade is provided with a wire passing hole facilitating passing of the wire for electrical connection between the driving device and the lamp panel, and a wire passing piece for storing the wire is detachably connected at the wire passing hole; where, the wire passing hole penetrates through one end of the housing body close to the first end cover to form an opening, and the wire passing piece is clamped inwards on the housing body along the opening; and the wire passing piece is provided with a cavity which is penetrating in a connection direction of the driving device and the lamp panel and used for the wire to pass through. 
     With the above-mentioned structure adopted, arrangement of the wire passing hole facilitates achieving the electric connection between the driving device and the lamp panel through the wire, and arrangement of the wire passing pieces facilitates storing the wire, thereby preventing the wire from being cluttered and providing higher safety. 
     Further, two ends of the wire passing piece are symmetrically provided with clamping grooves clamped with the housing body in a close fit mode; one end of each of the clamping grooves away from the first end cover is provided with two guide inclined surfaces, where, one guide inclined surface is formed by inclining towards a direction close to the driving device, and the other guide inclined surface is formed by inclining towards a direction close to the lamp panel. 
     Preferably, the clamping groove and the housing body are connected by a close fit. 
     With the above-mentioned structure adopted, the wire passing piece is tightly clamped on the housing body via the clamping groove, so that a structure is more stable and disengagement is less likely to occur; arrangement of the guide inclined surface facilitates positioning of the wire passing piece during mounting, and the guide inclined surface enables a width of the clamping groove located at the position to be greater than a thickness of the housing body, so that mounting is smoother. 
     Further, two end surfaces of the wire passing piece provided with the clamping grooves are both provided with isolation portions, and the isolation portions is formed by extending along the two ends of the wire passing piece provided with the clamping grooves towards the direction close to the driving device and the direction close to the lamp panel respectively. 
     With the above-mentioned structure adopted, the isolation portion is arranged so as to well separate the wire stored in a cavity thereof, and prevent the wire from coming into contact with other structures made of aluminum alloy materials, so that the structure is safer. 
     Further, one end of the wire passing piece close to the first end cover is provided with a notch formed in the connection direction of the driving device and the lamp panel; the wire passing piece includes a first front portion and a second front portion forming the notch, and a back portion is arranged at an end opposite the notch; the cavity is defined by the isolation portion with the back portion, the first front portion and the second front portion; and a top surface of the isolation portion is higher than a top surface of the back portion. 
     With the above-mentioned structure adopted, arrangement of the notch facilitates that there is a deformation margin when the wire passing piece is mounted to the housing body, so that mounting is smoother. 
     Further, the wire passing piece is made of a plastic material, so that it is insulating as a whole and safety is better. 
     Compared with the prior art, the present disclosure has the following beneficial effects. 
     (1) The illuminating lamp of the present disclosure is provided with the electric power input structure and the electric power output structure, so that when the user mounts the plurality of illuminating lamps, it is only needed to provide the socket connected to the mains supply in the mounting environment, and mounting is very convenient. 
     (2) The illuminating lamp of the present disclosure is safe in use. 
     (3) The illuminating lamp of the present disclosure is reasonable in structural design and convenient to popularize and use. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         FIG.  1    is a schematic diagram of a three-dimensional structure of an illuminating lamp of the present disclosure. 
         FIG.  2    is a schematic diagram of a three-dimensional structure of an illuminating lamp of the present disclosure at another angle. 
         FIG.  3    is an exploded structure schematic diagram of the illuminating lamp of the present disclosure. 
         FIG.  4    is an enlarged view of the portion A in  FIG.  3   . 
         FIG.  5    is an enlarged diagram of the portion B in  FIG.  3   ; 
         FIG.  6    is a schematic diagram of the wire passing piece of the illuminating lamp of the present disclosure. 
         FIG.  7    is an enlarged view of the portion C in  FIG.  3   . 
         FIG.  8    is an enlarged view of the portion D in  FIG.  3   . 
         FIG.  9    is a schematic diagram of a structure of matching of a housing body and a lampshade in the illuminating lamp of the present disclosure. 
         FIG.  10    is a schematic diagram of a grounding structure in the illuminating lamp of the present disclosure. 
     
    
    
     Reference numerals:  1  housing;  101  housing body;  102  first end cover;  1021  first bottom cover;  1022  first side wall;  1023  matching portion;  103  fixing clamping groove;  104  second fixing hole;  105  lampshade mounting surface;  1051  mounting main body surface;  1052  connecting surface;  106  light reflecting side plate;  107  first slideway;  108  second slideway;  109  wire passing hole;  1091 , opening;  2  driving device;  3  electric power input structure;  4  electric power output structure;  5  lampshade;  501  lampshade body;  502  second end cover;  5021  second bottom cover;  5022  second side wall;  5023  limiting cavity;  503  insertion portion;  6  lamp panel;  7  illuminating cavity;  8  driving cavity;  9  total end cover;  901  elastic clamping buckle;  902  first fixing hole;  10  pull switch;  11  hanging chain;  12  S-shaped lifting hook;  13  grounding structure;  1301  earth wire connecting head;  13011  wire connecting end;  13012  mounting portion;  1302  joint fixing piece;  13021  fixing portion;  13022  stop head;  1303  locking gasket;  14  wire passing piece;  141 , cavity;  142 , clamping groove;  1421 , guide inclined surface;  143 , isolation portion;  144 , notch;  145 , first front portion;  146 , second front portion;  147 , back portion. 
     DETAILED DESCRIPTION OF THE INVENTION 
     Specific implementations of the present disclosure are further described in detail hereafter in conjunction with accompanying drawings and embodiments. The described embodiments are used for illustrating the present disclosure, but are not intended to limit the scope of the present disclosure. 
     As shown in  FIGS.  1 - 10   , an illuminating lamp, including: 
     a housing  1 , which is provided with a driving device  2 , an electric power input structure  3  and an electric power output structure  4  matching the electric power input structure  3 , the electric power input structure  3  being electrically connected to the electric power output structure  4  and the driving device  2  respectively; 
     a lampshade  5 , which is fixedly arranged on an outer side of the housing  1  and forms an illuminating cavity  7  with the housing  1 ; and 
     a lamp panel  6 , which is arranged in the illuminating cavity  7 , the driving device  2  being connected to the lamp panel  6  via a wire to drive the lamp panel  6  to operate and emit light. 
     With the above-mentioned structure adopted, it is very convenient for the user to mount a plurality of the illuminating lamps, and only one socket connected to the mains supply is required at a place of mounting, which greatly increase the applicable environments of the illuminating lamp. 
     During mounting, mounting of a first one of the illuminating lamps is completed near the socket connected to the mains supply, and the electric power input structure  3  on it is connected to the socket connected to the mains supply; a second one of the illuminating lamps is mounted near the first one of the illuminating lamps, and the electric power input structure  3  on the second one of the illuminating lamps is connected to the electric power output structure  4  on the first one of the illuminating lamps; a third one of the illuminating lamps is mounted near the second one of the illuminating lamps, and the electric power input structure  3  on a third illuminating lamp is connected to the electric power output structure  4  on the second one of the illuminating lamps; by analogy, mounting of the illuminating lamps in a number required by the user is completed. 
     Specifically, the housing  1  is provided with a wire passing hole  109  at the illuminating cavity so as to facilitate routing of the wire between the driving device  2  and the lamp panel  6 , and a wire passing piece  14  is arranged at the wire passing hole  109 . 
     Further, one end of the housing body  101  close to the lampshade  5  is provided with a wire passing hole  109  facilitating passing of the wire for electrical connection between the driving device  2  and the lamp panel  6 , and a wire passing piece  14  for storing the wire is detachably connected at the wire passing hole  109 ; wherein, the wire passing hole  109  penetrates through one end of the housing body  101  close to the first end cover  102  to form an opening  1091 , and the wire passing piece  14  is clamped inwards on the housing body  101  along the opening  1091 ; and the wire passing piece  14  is provided with a cavity  141  which is penetrating in a connection direction of the driving device  2  and the lamp panel  6  and used for the wire to pass through. With the above-mentioned structure adopted, arrangement of the wire passing hole  109  facilitates achieving the electric connection between the driving device  2  and the lamp panel  6  through the wire, and arrangement of the wire passing pieces  14  facilitates storing the wire, thereby preventing the wire from being cluttered and providing higher safety. Further, two ends of the wire passing piece  14  are symmetrically provided with clamping grooves  142  clamped with the housing body  101  in a close fit mode; one end of each of the clamping grooves  142  away from the first end cover  102  is provided with two guide inclined surfaces  1421 , wherein, one guide inclined surface  1421  is formed by inclining towards a direction close to the driving device  2 , and the other guide inclined surface  1421  is formed by inclining towards a direction close to the lamp panel  6 . Preferably, the clamping groove  142  and the housing body  101  are connected by a close fit. With the above-mentioned structure adopted, the wire passing piece  14  is tightly clamped on the housing body  101  via the clamping groove  142 , so that a structure is more stable and disengagement is less likely to occur; arrangement of the guide inclined surface  1421  facilitates positioning of the wire passing piece  14  during mounting, and the guide inclined surface  1421  enables a width of the clamping groove  142  located at the position to be greater than a thickness of the housing body  101 , so that mounting is smoother. Further, two end surfaces of the wire passing piece  14  provided with the clamping grooves  142  are both provided with isolation portions  143 , and the isolation portions  143  is formed by extending along the two ends of the wire passing piece  14  provided with the clamping grooves  142  towards the direction close to the driving device  2  and the direction close to the lamp panel  6  respectively. With the above-mentioned structure adopted, the isolation portion  143  is arranged so as to well separate the wire stored in the cavity  141  thereof, and prevent the wire from coming into contact with other structures made of aluminum alloy materials, so that the structure is safer. Further, one end of the wire passing piece  14  close to the first end cover  102  is provided with a notch  144  formed in the connection direction of the driving device  2  and the lamp panel  6 ; the wire passing piece  14  includes a first front portion  145  and a second front portion  146  forming the notch  144 , and a back portion  147  is arranged at an end opposite the notch  144 ; the cavity  141  is defined by the isolation portion  143  with the back portion  147 , the first front portion  145  and the second front portion  146 ; and a top surface of the isolation portion  143  is higher than a top surface of the back portion  147 . With the above-mentioned structure adopted, arrangement of the notch  144  facilitates that there is a deformation margin when the wire passing piece  14  is mounted to the housing body  101 , so that mounting is smoother. Further, the wire passing piece  14  is made of a plastic material so that it is insulating as a whole and safety is better. 
     Preferably, the illuminating lamp is a strip-shaped illuminating lamp. 
     Preferably, the housing  1  includes a housing body  101 , and first end covers  102 , the housing body  101  has a driving cavity  8  penetrating two ends thereof, and the driving device  2  is arranged in the driving cavity  8 ; two side openings of the first end covers  102  are arranged respectively at the two ends of the housing body  101  in a covering mode so as to seal the driving cavity  8 . 
     The lampshade  5  includes a lampshade body  501 , and second end covers  502 , and the lampshade body  501  is arranged on an outer side of the housing body  101  and forms the illuminating cavity  7  with two ends open with the housing body  101 ; two side openings of second end covers  502  are arranged respectively at two ends of the lampshade body  501  in a covering mode so as to seal the illuminating cavity  7 . 
     With the above-mentioned structure adopted, arrangement of the first end cover  102  and the second end cover  502  can prevent impurities such as dust from entering the driving cavity  8  and the illuminating cavity  7 , and facilitates integral mounting of the illuminating lamp. 
     Preferably, the first end cover  102  and the second end cover  502  located on the same side of the illuminating lamp are an integral piece and form a total end cover  9 . 
     With the above-mentioned structure adopted, in production, personnel for mounting only need to perform mounting once, and then can seal an opening in the same side of the driving cavity  8  and the illuminating cavity  7 , so as to improve production efficiency and facilitate actual production. 
     Preferably, the total end cover  9  is provided with an elastic clamping buckle  901 , and correspondingly, the housing body  101  is provided with fixing clamping grooves  103  matching the elastic clamping buckles  901 ; and/or the total end cover  9  is provided with a first fixing hole  902  for a screw to pass through, the housing body  101  is provided with a second fixing hole  104  for a screw to pass through, and the first fixing hole  902  is aligned with the second fixing hole  104  in a state where the end cover is mounted on the housing body  101 . 
     Preferably, the electric power input structure  3  and the electric power output structure  4  are respectively arranged at two ends of the housing  1 . 
     When the illuminating lamp is the strip-shaped lamp, the above-mentioned structure is adopted to facilitate connection between the electric power input structure  3  and the electric power output structure  4  between two adjacent ones of the illuminating lamps. 
     Specifically, the electric power input structure  3  and the electric power output structure  4  are respectively arranged on the first end covers  102  on two sides of the housing  1 . 
     Preferably, the electric power input structure  3  includes a male plug provided with plug bodies; the electric power output structure  4  includes a female socket provided with jacks. 
     Preferably, the male plug is a three-wire plug; the female socket is a three-hole socket; the three-wire plug includes a null wire pin, a live wire pin and an earth wire pin, and the three-hole socket includes a null wire jack, a live wire jack and an earth wire jack; the null wire jack is electrically connected to the null wire pin, the live wire jack is electrically connected to the live wire pin, and the earth wire jack is electrically connected to the earth wire pin; the housing  1  is at least partially made of metal; the earth wire pin is electrically connected to a metal part of the housing  1 . 
     A main body part of the housing  1  in the housing  1  is generally made of a metal material, and with the above-mentioned structure adopted, both the three-wire plug and the three-hole socket can make the metal part of the housing  1  grounded, so as to ensure safety of the illuminating lamp during use, and avoid occurrence of accidents caused by an electric leakage phenomenon. 
     Preferably, the earth wire jack of the three-hole socket is electrically connected to the metal part of the housing  1  and is electrically connected to the earth wire pin of the three-wire plug through the metal part of the housing  1  or the earth wire jack of the three-hole socket is electrically connected to the earth wire pin of the three-wire plug directly. 
     Specifically, the housing  1  is provided with grounding structures  13  in the vicinity of the electric power input structure  3  and the electric power output structure  4  respectively in a state where the earth wire jack is electrically connected to the earth wire pin through the metal part of the housing  1 . 
     The grounding structure  13  includes an earth wire connecting head  1301 , a joint fixing piece  1302  provided with a fixing portion  13021  and a stop head  13022 , and a locking gasket  1303  matching the fixing portion  13021 ; the housing  1  is provided with a penetrating hole at a position where the grounding structure  13  is arranged, and a hole diameter of the penetrating hole is greater than a diameter of the fixing portion  13021  and less than a diameter of the stop head  13022  and the locking gasket  1303 ; the earth wire connecting head  1301  includes a wire connecting end  13011  and a mounting portion  13012  connected to the wire connecting end  13011 ; the mounting portion  13012  is provided with a grounding mounting hole matching the fixing portion  13021 ; the fixing portion  13021  of the fixing piece is matched with the locking gasket  1303  to be mounted after passing through the penetrating hole, the stop head  13022  and the locking gasket  1303  respectively abut against two sides of an end face of the housing  1  provided with the penetrating hole, and the earth wire connecting head  1301  is mounted on the fixing portion  13021  via the mounting portion  13012  and abuts against the locking gasket  1303 ; the wire connecting end  13011  of the earth wire connecting head  1301  is connected to the earth wire pin or the earth wire jack; the earth wire connecting head  1301 , the joint fixing piece  1302  and the locking gasket  1303  are made of conductive materials, and the joint fixing piece  1302  is a screw. 
     Preferably, the illuminating lamp includes a pull switch  10  for controlling an operating state of the lamp panel  6 . 
     With the above-mentioned structure adopted, the user can operate the pull switch  10  to open and close the illuminating lamp; specifically, the pull switch is connected to the driving device  2 , and the driving device  2  is used for receiving a signal of the pull switch  10  to control the operating state of the lamp panel  6 ; and the pull switch  10  is arranged on the first end cover  102 . 
     Preferably, the illuminating lamp includes at least two hanging chains  11  arranged on the housing  1  for hanging the illuminating lamp. 
     With the above-mentioned structure adopted, the user can mount the illuminating lamp to a ceiling via the hanging chain  11 ; specifically, the illuminating lamp includes an S-shaped lifting hook  12 , the housing  1  is provided with a lifting hook fixing hole for one end of the S-shaped lifting hook  12  to pass through for connection, and one end of the hanging chain  11  is connected to the other end of the S-shaped lifting hook  12 ; two hanging chains  11  are arranged, and are symmetrically arranged on the housing  1  and the two hanging chains  11  are respectively arranged close to the two ends of the housing  1 , and the above-mentioned structure ensures mounting stability of the illuminating lamp. 
     Preferably, the first end cover  102  includes a first bottom cover  1021  matching the opening of the driving cavity, and a first side wall  1022  formed when an edge of the first bottom cover  1021  extends towards a side of the housing body  101 , and a matching portion  1023  formed when one end, facing the driving cavity  8 , of the first side wall  1022  extends into the driving cavity; 
     the second end cover  502  includes a second bottom cover  5021  matching the opening of the illuminating cavity  7 , and a second side wall  5022  formed when an edge of the second bottom cover  5021  extends towards a side of the lampshade body  501 , the second side wall  5022  and the second bottom cover  5021  form a limiting cavity  5023 , and an end portion of the lampshade body  501  is arranged in the limiting cavity  5023 . 
     The electric power input structure  3  and the electric power output structure  4  are arranged on the first bottom cover  1021 ; the first fixing hole  902  is formed in the matching portion  1023 , and the elastic clamping buckle  901  is arranged at a connection position of the first end cover  102  and the second end cover  502 . 
     Preferably, two ends of a lampshade mounting face  105  of the housing  1  for mounting the lampshade  5  extend on two sides of the lampshade  5  to form light reflecting side plates  106 , and the light reflecting side plates  106  and the lampshade mounting face  105  form a light reflecting hood. 
     With the above-mentioned structure adopted, it is possible to increase a utilization rate of light emitted from the lamp panel  6 . 
     Preferably, the lampshade mounting surface  105  includes a mounting main body surface  1051 , and connecting surfaces  1052  for connecting the mounting main body surface  1051  and light reflecting side plates, and one end of the connecting surface  1052  connected with the light reflecting side plate  106  is inclined towards an opposite side of the lampshade mounting surface  105  of the housing  1 , and the light reflecting side plate  106  is of an arc-shaped structure protruding to a side away from the lampshade  5 . 
     With the above-mentioned structure adopted, the utilization rate of the light emitted from the lamp panel  6  is further increased. 
     Preferably, the housing  1  is provided with a pair of first slideways  107  in a length direction thereof, the two ends of the lampshade  5  are provided with hook-shaped insertion portions  503 , and the insertion portions  503  are inserted into the first slideways  107 . 
     The housing  1  is provided with a pair of second slideways  108  in the length direction thereof, and the lamp panel  6  is inserted into the second slideways  108 . 
     Preferably, the lamp panel  6  includes a substrate, and one or more rows of LED lamps in a length direction of the substrate. 
     The above-mentioned is only a preferred embodiment of the present disclosure, and it should be noted that, for those skilled in the art, a plurality of improvements and embellishments can be made without departing from the technical principle of the present disclosure, and these improvements and embellishments should also be regarded as the protection scope of the present disclosure.