CN220958177U

CN220958177U - Line lamp

Info

Publication number: CN220958177U
Application number: CN202322953769.2U
Authority: CN
Inventors: 袁凯平; 洪杜莹
Original assignee: Midea Intelligent Lighting and Controls Technology Co Ltd
Current assignee: Midea Intelligent Lighting and Controls Technology Co Ltd
Priority date: 2023-11-01
Filing date: 2023-11-01
Publication date: 2024-05-14
Anticipated expiration: 2033-11-01

Abstract

The disclosure relates to the technical field of illumination and provides a line lamp. The line lamp comprises a lamp body and a protective cover, wherein an opposite plug-in component is arranged at the end part of the lamp body along the length direction, and the protective cover is in plug-in fit with the opposite plug-in component along the length direction perpendicular to the lamp body from the side part of the lamp body; the protective cover is provided with a first plug-in part, the opposite plug-in part is provided with a second plug-in part, and the first plug-in part and the second plug-in part are in plug-in fit along the length direction perpendicular to the lamp body and limit each other in the length direction of the lamp body; one of the protective cover and the opposite plug-in unit is provided with an elastic protruding portion, the other one is provided with a limit matching portion, and when the first plug-in portion and the second plug-in portion are in plug-in matching along the length direction perpendicular to the lamp body, the elastic protruding portion passes over the limit matching portion and is in limit matching with the limit matching portion. The utility model provides a line lamp, protective cover and to plug-in components grafting cooperation can avoid the risk that drops, reduces the dismouting degree of difficulty, promotes product appearance feel.

Description

Line lamp

Technical Field

The disclosure relates to the technical field of lighting, in particular to a line lamp.

Background

The existing line lamp basically adopts a protective cover to realize the installation protection of two ends, the protective cover is in flush butt joint with the section bars of the line lamp, and a screw fixing mode is adopted. However, the protection covers at the two ends are fixed by the screws, so that the operation is inconvenient, the appearance texture of the product is influenced, and the problems of difficult later maintenance and the like exist.

Disclosure of utility model

To solve the above technical problems or at least partially solve the above technical problems, the present disclosure provides a line lamp.

The first aspect of the present disclosure provides a line lamp, including a lamp body and a protective cover, wherein an opposite plug-in unit is disposed at an end of the lamp body along a length direction, and the protective cover is inserted and matched with the opposite plug-in unit along a length direction perpendicular to the lamp body from a side of the lamp body;

The protective cover is provided with a first plug-in part, the pair of plug-in parts is provided with a second plug-in part, and the first plug-in part and the second plug-in part are in plug-in fit along the length direction perpendicular to the lamp body and limit each other in the length direction of the lamp body;

The protective cover and one of the pair of plug-ins are provided with elastic protruding portions, the other one of the pair of plug-ins is provided with limiting matching portions, and when the first plug-in portion and the second plug-in portion are in plug-in matching along the length direction perpendicular to the lamp body, the elastic protruding portions pass through the limiting matching portions and are in limiting matching with the limiting matching portions so as to limit the protective cover to deviate from along the opposite direction of the plug-in mounting direction.

The utility model provides a line lamp, including lamp body and protective cover, when specifically realizing, the lamp body is provided with to the plug-in components along length direction's tip, and the protective cover is pegged graft the cooperation with to the plug-in components along the length direction of perpendicular to lamp body by the lateral part of lamp body, can install at the lamp body along length direction's both ends after protective cover and to the plug-in components grafting cooperation promptly to install the protection to the lamp body. The protective cover is provided with a first plug-in part, a second plug-in part is arranged on the plug-in part, the first plug-in part and the second plug-in part are in plug-in fit along the length direction vertical to the lamp body and are mutually limited in the length direction of the lamp body, one of the protective cover and the plug-in part is provided with an elastic protruding part, the other one is provided with a limit fit part, and when the first plug-in part and the second plug-in part are in plug-in fit along the length direction vertical to the lamp body, the elastic protruding part passes through the limit fit part and is in limit fit with the limit fit part. When concrete realization, at the cartridge in-process of protective cover, spacing cooperation portion can be passed over to the elastic bulge, and the elastic bulge can be set up on spacing cooperation portion after crossing spacing cooperation portion, and spacing cooperation portion can provide spacing effort to the elastic bulge to prevent that the protective cover from deviate from along the opposite direction of cartridge direction. Simultaneously, through the cooperation of first grafting portion and second grafting portion, can realize that the protective cover is spacing along lamp body length direction and width direction, and then with the fixed both ends that set up the lamp body at the line lamp of protective cover, avoid the risk that drops, reduce the dismouting degree of difficulty, compare in the mode of screw fixation, need not to punch, can promote product outward appearance feel.

In some embodiments, one of the first and second mating portions includes a first rib extending in a direction perpendicular to the length of the lamp body, the other includes a first groove extending in a direction perpendicular to the length of the lamp body, and the first rib is inserted in the first groove in a direction perpendicular to the length of the lamp body;

The side wall of the first convex rib is provided with a first back-off close to the end part, the side wall of the first groove is provided with a second back-off close to the notch, and the first back-off and the second back-off are mutually limited along the length direction of the lamp body.

In some embodiments, the protective cover is provided with at least one first rib, and the pair of inserts are correspondingly provided with at least one first groove;

and/or, at least one first groove is formed in the protective cover, and at least one first convex rib is correspondingly formed in the pair of inserts.

In some embodiments, one of the first plug portion and the second plug portion further includes a second bead extending in a direction perpendicular to a length direction of the lamp body, the other one further includes a second groove extending in a direction perpendicular to a length direction of the lamp body, and the second bead is inserted in the second groove in a direction perpendicular to the length direction of the lamp body;

the first ribs and the second ribs are staggered along a first direction, the first direction is perpendicular to the inserting direction of the protective cover, and the first direction is perpendicular to the length direction of the lamp body.

In some embodiments, the middle part of the protective cover along the first direction is provided with the second convex rib and/or the second groove, and the middle part of the pair of inserts along the first direction is correspondingly provided with the second groove and/or the second convex rib;

The two sides of the protection cover along the first direction are respectively provided with the first convex ribs and/or the first grooves, and the two sides of the pair of plug-in units along the first direction are respectively and correspondingly provided with the first grooves and/or the first convex ribs.

In some embodiments, the elastic protruding portion is disposed on a side surface of the protective cover facing the opposite insert, the limit fitting portion is disposed on a side surface of the opposite insert facing the protective cover, and the elastic protruding portion is elastically deformed in a direction facing away from the opposite insert when passing over the limit fitting portion.

In some embodiments, the elastic protruding portion comprises an elastic sheet and a first protruding portion arranged on the elastic sheet, one end of the elastic sheet is connected with the protective cover, and the limit matching portion comprises a limit groove and a second protruding portion arranged in the limit groove;

When the first inserting part and the second inserting part are inserted and matched along the length direction perpendicular to the lamp body, the first protruding part passes over the second protruding part and is in limit fit with the second protruding part, and the elastic piece is limited in the limit groove.

In some embodiments, the elastic piece extends along the insertion direction of the protective cover, and the front end of the elastic piece along the insertion direction of the protective cover is connected with the protective cover, and the rear end of the elastic piece along the insertion direction of the protective cover is tilted relative to the protective cover.

In some embodiments, the number of the elastic protruding portions and the number of the limit matching portions are two, the two elastic protruding portions are arranged at intervals on one side surface of the protection cover facing the opposite plug-in unit, the two limit matching portions are arranged on one side surface of the opposite plug-in unit facing the protection cover, and the two limit matching portions and the two elastic protruding portions are arranged in one-to-one correspondence.

In some embodiments, the protective cover comprises a cover body and a wrapping structure, wherein the wrapping structure is formed by bending and extending the edge of the cover body, the cover body covers the end part of the lamp body, and the wrapping structure wraps the periphery of the end part of the lamp body.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments of the present disclosure or the solutions in the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a perspective view of a line lamp according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a line lamp according to an embodiment of the present utility model;

FIG. 3 is a schematic illustration of an interposer according to an embodiment of the present utility model;

FIG. 4 is a top view of a counter insert according to one embodiment of the present utility model;

FIG. 5 is a schematic view of a protective cover according to an embodiment of the utility model;

fig. 6 is a top view of a protective cover according to an embodiment of the utility model.

In the figure: 1. a lamp body; 2. the plug-in is matched; 3. a protective cover; 31. a cover body; 32. a binding structure; 4. an elastic protrusion; 41. an elastic sheet; 42. a first boss; 5. a limit matching part; 51. a limit groove; 52. a second protruding portion; 6. the first convex rib; 7. a first groove; 8. a first back-off; 9. a second back-off; 10. the second convex rib; 11. and a second groove.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.

The line lamp is described in detail below by way of specific examples:

referring to fig. 1 to 6, in some embodiments of the present utility model, a line lamp includes a lamp body 1 and a protective cover 3, in which, in specific implementation, an opposite plug-in unit 2 is disposed at an end of the lamp body 1 along a length direction, and the protective cover 3 is inserted and matched with the opposite plug-in unit 2 along a length direction perpendicular to the lamp body 1 from a side of the lamp body 1, that is, after the protective cover 3 is inserted and matched with the opposite plug-in unit 2, it can be installed at two ends of the lamp body 1 along the length direction, so as to install and protect the lamp body 1.

The protective cover 3 is provided with a first plug-in part, a second plug-in part is arranged on the plug-in part 2, the first plug-in part and the second plug-in part are in plug-in fit along the length direction perpendicular to the lamp body 1 and are mutually limited in the length direction of the lamp body 1, one of the protective cover 3 and the plug-in part 2 is provided with an elastic bulge part 4, the other is provided with a limit fit part 5, and when the first plug-in part and the second plug-in part are in plug-in fit along the length direction perpendicular to the lamp body 1, the elastic bulge part 4 passes through the limit fit part 5 and is in limit fit with the limit fit part 5.

In particular, during the cartridge process of the protective cover 3, the elastic protruding portion 4 can cross the limit matching portion 5, the elastic protruding portion 4 can be erected on the limit matching portion 5 after crossing the limit matching portion 5, and the limit matching portion 5 can provide limit acting force for the elastic protruding portion 4 so as to prevent the protective cover 3 from falling out along the reverse direction of the cartridge direction. Simultaneously, through the cooperation of first grafting portion and second grafting portion, can realize that protective cover 3 is spacing along lamp body 1 length direction and width direction, and then with the fixed both ends that set up lamp body 1 at the line lamp of protective cover 3, avoid the risk that drops, reduce the dismouting degree of difficulty, compare in the mode of screw fixation, need not to punch, can promote product outward appearance feel.

In some embodiments, referring to fig. 3 to 6, one of the first plugging portion and the second plugging portion includes a first rib 6 extending along a length direction perpendicular to the lamp body 1, the other includes a first groove 7 extending along a length direction perpendicular to the lamp body 1, the first rib 6 can be inserted into the first groove 7, and a side wall of the first rib 6 is disposed in cooperation with a side wall of the first groove 7, so that mutual limit cooperation is achieved, and limit of the protective cover 3 along a width direction of the lamp body 1 can be achieved. When the protective cover 3 is installed, the first ribs 6 are inserted into the first grooves 7 in a sliding manner along the length direction perpendicular to the lamp body 1.

It should be noted that, the first rib 6 may be disposed on the protective cover 3, or may be disposed on the opposite insert 2, which is not limited in this disclosure, as long as the first groove 7 is correspondingly disposed on the opposite insert 2 or the protective cover 3, and the protective cover 3 is fixedly disposed through the plug-in cooperation between the first rib 6 and the first groove 7.

Further, a first back-off buckle 8 is arranged at a position, close to the end, of the side wall of the first convex rib 6, a second back-off buckle 9 is arranged at a position, close to the notch, of the side wall of the first groove 7, and the first back-off buckle 8 and the second back-off buckle 9 are mutually limited along the length direction of the lamp body 1. In particular, when the first convex rib 6 is inserted into the first groove 7, the end part of the first convex rib 6 is matched with the groove bottom of the first groove 7, so that the first back-off 8 and the second back-off 9 can be staggered along the length direction of the lamp body 1, and the limit of the protective cover 3 along the length direction of the lamp body 1 can be realized through the first back-off 8 and the second back-off 9.

In some embodiments, the protective cover 3 is provided with at least one first rib 6, and the opposite insert 2 is correspondingly provided with at least one first groove 7; and/or, the protective cover 3 is provided with at least one first groove 7, and the insert 2 is correspondingly provided with at least one first convex rib 6. That is, in particular, at least one first rib 6 may be provided on the protective cover 3, and correspondingly at least one first groove 7 may be provided on the counter insert 2; at least one first groove 7 can also be arranged on the protective cover 3, and at least one first convex rib 6 is correspondingly arranged on the opposite plug-in unit 2; the protective cover 3 may further be provided with at least one first rib 6 and at least one first groove 7, and at least one first groove 7 and at least one first rib 6 are correspondingly provided on the opposite plug-in unit 2, which is not limited in the present disclosure, so long as the first rib 6 and the first groove 7 are correspondingly provided on the protective cover 3 and the opposite plug-in unit 2, and the fixed arrangement of the protective cover 3 on the lamp body 1 can be realized.

Further, one of the first plugging portion and the second plugging portion further comprises a second protruding rib 10 extending along a direction perpendicular to the length direction of the lamp body 1, the other one further comprises a second groove 11 extending along a direction perpendicular to the length direction of the lamp body 1, the second protruding rib 10 is inserted into the second groove 11, and the second protruding rib 10 can be used as a positioning protruding rib to position the protective cover 3 relative to the opposite plug-in unit 2 and the lamp body 1; and, the lateral wall of second protruding muscle 10 sets up with the lateral wall cooperation of second recess 11 to realize mutual spacing cooperation, and then can realize that protective cover 3 is along the spacing of lamp body 1 width direction. When the protective cover 3 is installed, the second ribs 10 are inserted into the second grooves 11 in a sliding manner along the length direction perpendicular to the lamp body 1.

The first ribs 6 and the second ribs 10 are staggered along a first direction, the first direction is perpendicular to the inserting direction of the protective cover 3, and the first direction is perpendicular to the length direction of the lamp body 1. It can be understood that the first direction is perpendicular to the inserting direction of the protective cover 3 and the length direction of the lamp body 1, that is, the first direction is formed as the width direction of the lamp body 1, the first ribs 6 and the second ribs 10 are staggered along the width direction of the lamp body 1, and the first grooves 7 and the second grooves 11 are correspondingly staggered along the width direction of the lamp body 1.

In particular, the middle part of the protective cover 3 along the first direction is provided with a second convex rib 10 and/or a second groove 11, and the middle part of the plug-in unit 2 along the first direction is correspondingly provided with the second groove 11 and/or the second convex rib 10. That is, the protective cover 3 may be provided with a second rib 10, and the opposite insert 2 is correspondingly provided with a second groove 11; or the protective cover 3 is provided with a second groove 11, and the opposite plug-in unit 2 is correspondingly provided with a second convex rib 10; or the protective cover 3 is simultaneously provided with a second convex rib 10 and a second groove 11, and the opposite insert 2 is correspondingly provided with the second groove 11 and the second convex rib 10.

Further, the two sides of the protective cover 3 along the first direction are respectively provided with a first convex rib 6 and/or a first groove 7, and the two sides of the plug-in 2 along the first direction are respectively correspondingly provided with a first groove 7 and/or a first convex rib 6. That is, the protective cover 3 and the counter insert 2 are provided with the first ribs 6 and the first grooves 7 in addition to the second ribs 10 and the second grooves 11.

Referring to fig. 3 and 5, a second rib 10 and a second groove 11 are provided at the middle of the protective cover 3 in the first direction, two first ribs 6 are provided at one side of the first rib 6 and the second groove 11, and a first groove 7 is provided at the other side; correspondingly, the middle part of the opposite plug-in 2 is provided with a second groove 11 and a second convex rib 10, one side of the second groove 11 and the first convex rib 6 is provided with two first grooves 7, the other side is provided with a first convex rib 6, and the protective cover 3 can be fixedly arranged at two ends of the lamp body 1 through the cooperation between the first convex rib 6 and the first groove 7 and the cooperation between the second convex rib 10 and the second groove 11.

It should be noted that, the number, the arrangement positions, and the like of the first ribs 6, the first grooves 7, the second ribs 10, and the second grooves 11 on the protective cover 3 and the counter insert 2 may also be designed in other forms, which are not limited in this disclosure, as long as the plug-in fit can be correspondingly set and completed.

In some embodiments, the elastic protruding portion 4 is disposed on a side surface of the protection cover 3 facing the opposite insert 2, and the limit fitting portion 5 is disposed on a side surface of the opposite insert 2 facing the protection cover 3, and the elastic protruding portion 4 is elastically deformed in a direction facing away from the opposite insert 2 when passing over the limit fitting portion 5. In particular, during the cartridge process of the protective cover 3, the elastic protruding portion 4 can elastically deform towards the direction away from the limit fitting portion 5 so as to overcome the limit fitting portion 5 while avoiding the limit fitting portion 5, and the elastic protruding portion 4 is deformed to recover after crossing the limit fitting portion 5 and can be erected on the limit fitting portion 5, and the limit fitting portion 5 can provide limit acting force for the elastic protruding portion 4 so as to prevent the protective cover 3 from falling out along the opposite direction of the cartridge direction.

It should be noted that, when the protective cover 3 needs to be disassembled, an opposite acting force is applied to the protective cover 3, and the elastic protruding portion 4 can also elastically deform in a direction away from the overlap portion to cross the overlap portion, so that the protective cover 3 is removed from the opposite plug-in unit 2, and the operation is simple and convenient to implement.

In particular, when the elastic protruding portion 4 includes an elastic sheet 41 and a first protruding portion 42 disposed on the elastic sheet 41, one end of the elastic sheet 41 is connected with the protective cover 3, and the other end of the elastic sheet 41 can be elastically deformed in a direction away from the opposite plug-in unit 2, that is, in a direction toward the protective cover 3.

The limit matching portion 5 includes a limit groove 51 and a second protruding portion 52 disposed in the limit groove 51, when the first inserting portion and the second inserting portion are inserted and matched along a length direction perpendicular to the lamp body 1, the first protruding portion 42 passes over the second protruding portion 52 and is in limit matching with the second protruding portion 52, that is, the first protruding portion 42 is erected on the second protruding portion 52, and the second protruding portion 52 can provide a limit effect for the first protruding portion 42, so as to prevent the protective cover 3 from falling out along a reverse direction of the inserting direction.

After the first protruding portion 42 passes over the second protruding portion 52, the elastic piece 41 is limited in the limiting groove 51. In particular, referring to fig. 3, the depth of the limiting groove 51 is gradually increased in the insertion direction of the protective cover 3, and the elastic piece 41 can abut against the groove sidewall of the limiting groove 51 at a position beyond the second protrusion 52, thereby further enhancing the limitation of the protective cover 3 in the insertion direction.

With continued reference to fig. 3, the elastic piece 41 extends along the insertion direction of the protective cover 3, and the front end of the elastic piece 41 along the insertion direction of the protective cover 3 is connected with the protective cover 3, and the rear end of the elastic piece 41 along the insertion direction of the protective cover 3 is tilted relative to the protective cover 3. It will be appreciated that during the insertion process, the rear end of the elastic piece 41 is elastically deformed in a direction approaching the protective cover 3, and one side abuts against the surface of the opposite insert 2, and after the protective cover 3 is inserted in place, the protective cover 3 is fixed on the lamp body 1 by the cooperation limiting of the first back-off 8 and the second back-off 9 against the elastic action of the elastic piece 41.

In particular, the number of the elastic protruding portions 4 and the number of the limit matching portions 5 are two, the two elastic protruding portions 4 are arranged on one side surface of the protective cover 3 facing the plug-in unit 2 at intervals, the two limit matching portions 5 are arranged on one side surface of the plug-in unit 2 facing the protective cover 3, and the two limit matching portions 5 and the two elastic protruding portions 4 are arranged in a one-to-one correspondence. Of course, the number of the elastic protruding portions 4 and the limit engaging portions 5 may be one, or three, four, or more, and the present disclosure is not limited thereto, as long as the protective cover 3 can be attached and detached.

In some embodiments, the protective cover 3 includes a cover 31 and a covering structure 32, the covering structure 32 is formed by bending and extending an edge of the cover 31, the cover 31 covers an end of the lamp body 1, and the covering structure 32 wraps a periphery of the end of the lamp body 1. So set up, can avoid forming the difference between lid 31 and lamp body 1 and lead to the light leak problem, promote user's use experience.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

The above is merely a specific embodiment of the disclosure to enable one skilled in the art to understand or practice the disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The line lamp is characterized by comprising a lamp body and a protective cover, wherein an opposite plug-in unit is arranged at the end part of the lamp body along the length direction, and the protective cover is in plug-in fit with the opposite plug-in unit along the length direction perpendicular to the lamp body from the side part of the lamp body;

2. The line lamp of claim 1, wherein one of the first and second mating portions includes a first rib extending in a direction perpendicular to a length of the lamp body, and the other includes a first groove extending in a direction perpendicular to a length of the lamp body, the first rib being inserted in the first groove in a direction perpendicular to a length of the lamp body;

3. The line lamp of claim 2, wherein the protective cover is provided with at least one first rib, and the pair of inserts are correspondingly provided with at least one first groove;

4. The line lamp of claim 2, wherein one of the first and second mating portions further comprises a second bead extending in a direction perpendicular to the length of the lamp body, the other further comprises a second groove extending in a direction perpendicular to the length of the lamp body, the second bead being inserted in the second groove in a direction perpendicular to the length of the lamp body;

5. The line lamp according to claim 4, wherein the second ribs and/or the second grooves are provided on the middle part of the protective cover along the first direction, and the second grooves and/or the second ribs are correspondingly provided on the middle part of the pair of inserts along the first direction;

6. The line lamp of claim 1, wherein the elastic protruding portion is disposed on a side surface of the protective cover facing the pair of the inserts, the limit fitting portion is disposed on a side surface of the pair of the inserts facing the protective cover, and the elastic protruding portion is elastically deformed in a direction facing away from the pair of the inserts when passing over the limit fitting portion.

7. The line lamp of claim 6, wherein the elastic protruding portion comprises an elastic sheet and a first protruding portion arranged on the elastic sheet, one end of the elastic sheet is connected with the protective cover, and the limit matching portion comprises a limit groove and a second protruding portion arranged in the limit groove;

8. The line lamp of claim 7, wherein the elastic piece extends along the insertion direction of the protective cover, and a front end of the elastic piece along the insertion direction of the protective cover is connected with the protective cover, and a rear end of the elastic piece along the insertion direction of the protective cover is tilted relative to the protective cover.

9. The line lamp of claim 6, wherein the number of the elastic protruding portions and the number of the limit matching portions are two, the two elastic protruding portions are arranged on one side surface of the protective cover facing the opposite plug-in unit at intervals, the two limit matching portions are arranged on one side surface of the opposite plug-in unit facing the protective cover, and the two limit matching portions are arranged in one-to-one correspondence with the two elastic protruding portions.

10. The line lamp of any one of claims 1 to 9, wherein the protective cover comprises a cover body and a hemming structure, the hemming structure is formed by bending and extending an edge of the cover body, the cover body covers an end of the lamp body, and the hemming structure wraps a periphery of the end of the lamp body.