CN219199009U

CN219199009U - Lamp set

Info

Publication number: CN219199009U
Application number: CN202320491286.2U
Authority: CN
Inventors: 李隆; 李新海; 杨汝
Original assignee: Hongtai Intelligent Technology Dongguan Co Ltd
Current assignee: Hongtai Intelligent Technology Dongguan Co Ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-06-16
Anticipated expiration: 2033-03-14

Abstract

The utility model relates to the technical field of lamp disassembly and assembly, and provides a lamp, wherein in the process of installing the lamp, a first convex part passes through a first abdicating hole, a second convex part passes through a second abdicating hole, and a driving part is driven to rotate so as to drive a first limiting surface to rotate to be right under the first convex part and a second limiting surface to rotate to be right under the second convex part, so that the lens is limited in an installation cavity; in the disassembly process, the driving part is driven to rotate so as to drive the first abdicating hole to rotate to the position right below the first convex piece and the second abdicating hole to rotate to the position right below the second convex piece, and the lens is separated from the radiating main body by pulling the lens along the up-down direction. In the in-service use, need change the lens of multiple different angles to thereby the illuminating effect of lamps and lanterns is promoted to the lens of different angles of place collocation of use in the difference, thereby through moving drive portion drive lens and rotate, make the lens can be fixed or separate each other with the radiating body, promoted the dismouting efficiency of lens, facilitate the use.

Description

Lamp set

Technical Field

The utility model relates to the technical field of lamp disassembly and assembly, in particular to a lamp.

Background

The high-shed lamp is suitable for lighting lamps in large wide places such as factories, power plants, steel plants, workshops, warehouses, gymnasiums, waiting rooms, stations, oil stations, airports, shops, large-scale markets, and the like.

The shape of the existing high shed lamp is generally long cylindrical or round cake-shaped; the power supply is arranged at the upper half part of the high shed lamp, the lens is arranged at the lower half part of the high shed lamp, the assembly structure is troublesome, and the production efficiency is not easy to be high; the cake-shaped high-canopy lamp is characterized in that the light source is directly integrated and arranged in the shade shell, the technical requirement for installation is higher, and the assembly operation is inconvenient.

Therefore, a lamp capable of being mounted or dismounted without tools appears on the market at present, for example, the lamp has a publication number of CN215863108U and a publication number of 2022, 2 and 18, and the patent name is Chinese patent utility model of an LED high-canopy lamp, which is fixedly connected with a lamp body through a turnbuckle, so that the light engine assembly is dismounted, and the light engine assembly is maintained and replaced through a anticlockwise rotating surface cover. However, this kind of structure passes the screw hole on the lens through the locking screw in order to lock the lens on the fixed plate, and it often needs to use the actuating lever to unscrew lens from the fixed plate when dismouting lens, and the dismouting process is comparatively troublesome, and efficiency is lower when changing the lens of different angles.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a lamp capable of replacing lenses with different angles and efficiently dismounting the lenses.

In order to solve the problems, the utility model provides the following technical scheme:

the lamp comprises a radiating main body and a lens assembly covered on one side of the radiating main body, wherein the radiating main body comprises a radiating main board and a radiating auxiliary board arranged at the center of the radiating main board, the radiating main body is downwards sunken to form an installation cavity, and the installation cavity is positioned between the radiating main board and the radiating auxiliary board;

the mounting cavity comprises an inner cavity wall close to the heat radiation auxiliary plate and an outer cavity wall far away from the heat radiation auxiliary plate, a first convex part is convexly arranged on the outer cavity wall towards the inner cavity wall, a second convex part is convexly arranged on the inner cavity wall towards the outer cavity wall, and the first convex part and the second convex part are respectively arranged with the bottom wall of the mounting cavity along the up-down direction at intervals;

the lens assembly comprises a lens and a driving part arranged on the lens;

the lens is concavely provided with a first limiting structure and a second limiting structure, the first limiting structure corresponds to the first convex piece, and the second limiting structure corresponds to the second convex piece;

the first limiting structure comprises a first abdication hole arranged on the outer periphery side of the lens and a first limiting surface arranged on one side of the first abdication hole in an arc shape, and the second limiting structure comprises a second abdication hole arranged on the inner periphery side of the lens and a second limiting surface arranged on one side of the second abdication hole in an arc shape;

in the mounting process, the first protruding piece passes through the first abdication hole, the second protruding piece passes through the second abdication hole, and the driving part is driven to rotate so as to drive the first limiting surface to rotate to be right under the first protruding piece and the second limiting surface to rotate to be right under the second protruding piece, so that the lens is mounted and limited in the mounting cavity;

in the disassembly process, the driving part is driven to rotate so as to drive the first abdication hole to rotate to the position right below the first convex piece and the second abdication hole to rotate to the position right below the second convex piece, and the lens is separated from the radiating main body by pulling the lens along the up-down direction.

In an embodiment, the first limiting surface includes a first engaging surface that is correspondingly engaged with the first protruding member and a first guiding surface that connects the first engaging surface and the first abdicating hole;

the second limiting surfaces are arranged on two sides of the second abdication hole and are correspondingly clamped with the second convex piece;

the height of one end, connected with the first abdication hole, of the first guide surface is gradually increased to the height of one end, connected with the first clamping surface, of the first guide surface;

in the mounting process, the first protruding piece passes through the first abdication hole, the second protruding piece passes through the second abdication hole, and the driving part is driven to rotate so that the first protruding piece moves to the position right above the first clamping surface along the first guide surface; and the second convex piece is moved to the position right above one end of the second limiting surface far away from the second abdication hole;

in the disassembly process, the driving part is driven to rotate so that the first convex piece moves to the position right above the first abdication hole along the first guide surface, the second convex piece moves to the position right above the second abdication hole along the second limiting surface, and the lens is separated from the heat dissipation main body by pulling the lens along the up-down direction.

In an embodiment, the thickness of the first and second protrusions is the same;

the thickness of the first convex piece ranges from 1/2 to 2/3 of the thickness of the lens.

In an embodiment, the second limiting surface gradually slopes upward from a side close to the second yielding hole to a side far from the second yielding hole.

In an embodiment, the inclination angle of the second limiting surface is between 1/3 and 1/4 of the inclination angle of the first guiding surface.

In an embodiment, the length of the first protruding member ranges from 1/2 to 2/3 of the length of the first clamping surface, and the length of the second protruding member ranges from 1/3 to 1/4 of the length of the second limiting surface.

In an embodiment, the first protruding members and the second protruding members are all arranged in a plurality, the first protruding members are uniformly distributed on the outer cavity wall of the mounting cavity, and the second protruding members are uniformly distributed on the inner cavity wall of the mounting cavity;

the number of first protruding members is greater than the number of second protruding members.

In an embodiment, a first opening is formed in the heat dissipation main board, a groove is formed in one side, away from the first protruding piece, of the driving part, and the driving part can be moved by penetrating the first opening through a driving rod and inserting the driving rod into the groove;

the opening angle of the first opening is the same as the rotation angle of the driving part;

the opening angle range of the first opening is between 10 and 15 degrees.

In an embodiment, the lamp further comprises a lamp panel installed in the installation cavity, the lamp panel is attached to the cavity wall of the installation cavity, and the lens cover is arranged on the lamp panel and connected with the heat dissipation main body;

the bottom wall of the mounting cavity is provided with a first processing hole towards the first convex piece, and the bottom wall of the mounting cavity is provided with a second processing hole towards the second convex piece;

the lamp further comprises a first sealing ring and a second sealing ring which are arranged in the mounting cavity, the first sealing ring is arranged between the lens and the heat dissipation main board, and the second sealing ring is arranged between the lens and the heat dissipation auxiliary board.

In an embodiment, the inner cavity wall and the outer cavity wall of the mounting cavity are both disposed in spaced relation to the lens.

The beneficial effects of the utility model are as follows: when the lens is required to be mounted on the heat dissipation main body, the first convex piece penetrates through the first abdicating hole, the second convex piece penetrates through the second abdicating hole, and the driving part is driven to rotate so as to drive the first limiting surface to rotate to be right below the first convex piece and the second limiting surface to rotate to be right below the second convex piece, so that the lens is limited in the mounting cavity; when the lens is required to be detached from the radiating main body, the driving part is driven to rotate so as to drive the first yielding hole to rotate to the position right below the first convex piece and the second yielding hole to rotate to the position right below the second convex piece, and the lens is separated from the radiating main body by pulling the lens along the up-down direction.

Drawings

FIG. 1 is a perspective view of one embodiment of a lamp of the present utility model;

FIG. 2 is a schematic diagram of one embodiment of a lamp according to the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a partial enlarged view at B in FIG. 2;

FIG. 5 is a schematic cross-sectional view of one embodiment of a lamp of the present utility model;

FIG. 6 is a cross-sectional view of one embodiment of a lamp of the present utility model;

fig. 7 is an exploded view of one embodiment of a lamp of the present utility model.

Reference numerals:

100. a lamp; 1. a heat dissipating body; 2. a lens assembly; 3. a lamp panel; 11. a heat dissipation main board; 12. a heat radiation auxiliary plate; 10a, a mounting cavity; 10b, lumen wall; 10c, outer cavity wall; 111. a first male member; 112. a second male member; 21. a lens; 22. a driving section; 211. a first limit structure; 212. a second limit structure; 220. a first limiting surface; 221. a first engagement surface; 222. a first relief hole; 223. a first guide surface; 232. a second relief hole; 230. the second limiting surface; 213. a first opening; 241. a groove; 10. a driving rod; 311. a first processed hole; 312. a second processed hole; 313. a first seal ring; 314. and a second sealing ring.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1-2 and 5-6, the present embodiment provides a lamp 100, which includes a heat dissipation main body 1 and a lens assembly 2 covered below the heat dissipation main body 1, wherein the heat dissipation main body 1 is recessed inwards to form a mounting cavity 10a, the lamp 100 further includes a lamp panel 3 mounted in the mounting cavity 10a, and light of the lamp panel 3 is emitted outwards through the lens assembly 2; the heat dissipation main body 1 comprises a heat dissipation main board 11 and a heat dissipation auxiliary board 12 arranged at the center of the heat dissipation main board 11, and the installation cavity 10a is arranged between the heat dissipation main board 11 and the heat dissipation auxiliary board 12; further, the installation cavity 10a comprises an inner cavity wall 10b close to the heat dissipation auxiliary plate 12 and an outer cavity wall 10c far away from the heat dissipation auxiliary plate 12, the outer cavity wall 10c is convexly provided with a first convex part 111 towards the inner cavity wall 10b, the inner cavity wall 10b is convexly provided with a second convex part 112 towards the outer cavity wall 10c, and the first convex part 111 and the second convex part 112 are respectively arranged at intervals with the cavity bottom of the installation cavity 10a along the up-down direction; the lens assembly 2 includes a lens 21 and a driving part 22 provided on one side of the lens 21, and the driving part 22 is operated by an external force so that the driving part 22 can be moved and the lens 21 can be driven to rotate.

Referring to fig. 1-2 and 5-6, according to the above scheme, further, the lens 21 is concavely provided with a first limiting structure 211 and a second limiting structure 212; in the present embodiment, the first stopper 211 is disposed on the outer peripheral side of the lens 21 and corresponds to the first convex member 111, and the second stopper 212 is disposed on the inner peripheral side of the lens 21 and corresponds to the second convex member 112. The first limiting structure 211 includes a first abdicating hole 222 disposed on the outer periphery side of the lens 21 and a first limiting surface 220 disposed on one side of the first abdicating hole 222, and the second limiting structure 212 includes a second abdicating hole 232 disposed on the inner periphery side of the lens 21 and a second limiting surface 230 disposed on one side of the second abdicating hole 232; in the present embodiment, since the heat dissipating main body 1, the lens 21 and the lamp panel 3 are all provided with circles, the first limiting surface 220 and the first abdicating hole 222 are arranged in an arc shape, and the second limiting surface 230 and the second abdicating hole 232 are arranged in an arc shape; it can be understood that when the lens 21 needs to be mounted on the heat dissipation main body 1, the first protruding member 111 passes through the first yielding hole 222, the second protruding member 112 passes through the second yielding hole 232, and the driving portion 22 is driven to rotate to drive the first limiting surface 220 to rotate to a position directly under the first protruding member 111 and the second limiting surface 230 to rotate to a position directly under the second protruding member 112, so that the lens 21 is mounted and limited in the mounting cavity 10a; when the lens 21 needs to be detached from the heat dissipation body 1, the driving part 22 is driven to rotate to drive the first abdication hole 222 to rotate to be right under the first convex piece 111 and the second abdication hole 232 to rotate to be right under the second convex piece 112, and the lens 21 is separated from the heat dissipation body 1 by pulling the lens 21 along the up-down direction; it can be appreciated that in the practical use process of the lamp 100, the lenses 21 with various angles need to be replaced, so that the lighting effect of the lamp 100 is improved by matching the lenses 21 with the various angles in different use places, and the structure is that the lenses 21 are driven to rotate by moving the driving part 22, so that the lenses 21 can be mutually fixed or separated from the heat dissipation main body 1, the disassembly and assembly efficiency of the lenses 21 is improved, and the use is convenient.

Referring to fig. 1 to 4, specifically, the first limiting surface 220 includes a first engaging surface 221 corresponding to the first protruding member 111 and a first guiding surface 223 connecting the first engaging surface 221 and the first yielding hole 222; the second limiting surface 230 is disposed at two sides of the second abdication hole 232 and is correspondingly engaged with the second convex member 112; in the present embodiment, the height of the end connected to the first relief hole 222 through the first guide surface 223 gradually increases to the end connected to the first engaging surface 221 of the first guide surface 223, so that the first protrusion 111 can be closely contacted to the first engaging surface 221 through the first guide surface 223 in the process of driving the lens 21 to rotate by the driving part 22; it can be appreciated that, during the installation process, the first protruding member 111 passes through the first yielding hole 222, the second protruding member 112 passes through the second yielding hole 232, and the driving portion 22 is driven to rotate so that the first protruding member 111 moves along the first guiding surface 223 to a position right above the first engaging surface 221; and the second protruding member 112 is moved to a position right above one end of the second limiting surface 230 far from the second yielding hole 232, so that the first protruding member 111 and the first clamping surface 221 are mutually clung, and the second protruding member 112 and the second limiting surface 230 are mutually clung, thereby limiting the installation of the lens 21 in the installation cavity 10a; in the disassembly process, the driving part 22 is driven to rotate so that the first protruding part 111 moves to be right above the first abdicating hole 222 along the first guiding surface 223, the second protruding part 112 moves to be right above the second abdicating hole 232 along the second limiting surface 230, and the lens 21 is separated from the heat dissipating body 1 by pulling the lens 21 in the up-down direction.

Preferably, the thicknesses of the first protruding member 111 and the second protruding member 112 are the same, and the thickness of the first protruding member 111 ranges from 1/2 to 2/3 of the thickness of the lens 21, and in this thickness range, the first protruding member 111 can bear the pressure generated by the mutual close contact of the first engaging surface 221, so as to ensure the stability of the engaging relationship between the heat dissipating body 1 and the lens 21.

According to the above-mentioned scheme, in the present embodiment, as shown in fig. 1 and 6, a groove 241 is provided on a side of the driving portion 22 facing away from the first protrusion 111, and the driving portion 22 is moved by inserting the driving lever 10 into the groove 241, so that the moving mode of the driving portion 22 can be simplified, when the driving portion 22 needs to be moved, the driving portion 22 can be rotated by inserting the driving lever 10 into the groove 241, and when the driving portion 22 does not need to be moved, the driving lever 10 can be pulled out; alternatively, the driving rod 10 of the present embodiment may be used with a screwdriver or other rod type, which is not limited herein.

Referring to fig. 5-6, preferably, the second limiting surface 230 gradually slopes upward from a side close to the second relief hole 232 to a side far from the second relief hole 232; in addition, one end of the second limiting surface 230 far away from the second abdicating hole 232 is provided with a smooth plane, the structure is that the lens 21 rotates along with the driving part 22, the first convex part 111 can gradually slide to the first clamping surface 221 through the inclined first guiding surface 223 so as to be fixedly clamped with the first clamping surface 221, meanwhile, in the process, the second convex part 112 gradually moves to the second limiting surface 230 on the same side from the second abdicating hole 232, so that the second convex part is clamped with the second limiting surface 230, and is limited by the second limiting surface 230; further, the inclination angle of the second limiting surface 230 is between 1/3 and 1/4 of the inclination angle of the first guiding surface 223, and in the range of the inclination angle, the second convex member 112 and the second limiting surface 230 form a mutually-clung clamping relationship, and are mutually matched with the clamping relationship of the first clamping surface 221 and the first convex member 111, so that a double stabilizing effect on the installation of the lens 21 is realized.

Referring to fig. 3-4, specifically, the length L1 of the first protruding member 111 ranges from 1/2 to 2/3 of the length L2 of the first engaging surface 221; the length L3 of the second protruding member 112 ranges from 1/2 to 2/3 of the length L4 of the second limiting surface 230 on either side, i.e. from 1/3 to 1/4 of the length of the second limiting surface 230, and the lengths of the second limiting surfaces 230 on both sides of the second abdicating hole 232 are equal; in this structure, in a state where the first protruding member 111 and the first engaging surface 221 are engaged with each other and the second protruding member 112 and the second limiting surface 230 are engaged with each other, the engaging relationship is more fixed, so that the influence on the engaging relationship due to vibration or shake is avoided, and the lens 21 is ensured to be stably mounted on the heat dissipating body 1.

Referring to fig. 1-2 and 5-6, in particular, the first protruding members 111 and the second protruding members 112 in the present embodiment are all provided in plurality, and the plurality of first protruding members 111 are uniformly distributed on the outer cavity wall 10c of the installation cavity 10a, and the plurality of second protruding members 112 are uniformly distributed on the inner cavity wall 10b of the installation cavity 10a; it will be appreciated that the first limiting structure 211 matched with the first protruding member 111 and the second limiting structure 212 matched with the second protruding member 112 are also provided in plural, and in this structure, the number of the first protruding members 111 is greater than that of the second protruding members 112, the number of the first protruding members 111 is 8 in this embodiment, and the number of the second protruding members 112 is 4, so that the number of the first protruding members 111 and the second protruding members 112 can meet the stability requirement when the lens 21 is mounted, and the stability is ensured.

As shown in fig. 1-2, preferably, the heat dissipating main board 11 is provided with a first opening 213, and a groove 241 is provided on a side of the driving portion 22 facing away from the first protruding member 111, in which structure the driving portion 22 is disposed toward the center of the lens 21, and the driving portion 22 is movable by inserting the driving rod 10 through the first opening 213 and into the groove 241; it can be understood that, in this embodiment, the first opening 213 limits the movement range of the driving portion 22, so that the rotation angle of the driving portion 22 around the center of the lens 21 is the same as the opening angle of the first opening 213, and the opening angle range of the first opening 213 is set between 10 ° and 15 °; in this embodiment, optionally, the opening angle of the first opening 213 is set to 13 °, that is, after the lens 21 rotates by 13 ° clockwise by the moving member, the first yielding hole 222 is far away from the first protruding member 111 and moves the first engaging surface 221 to be close to the first protruding member 111 by the first guiding surface 223; the second abdication hole 232 is far away from the first convex piece 111 and limits the second convex piece 112 through the second limiting surface 230; after the lens 21 rotates 13 ° in the counterclockwise direction by the moving member, the first engaging surface 221 is away from the first protruding member 111 and moves the first yielding hole 222 to the lower side of the first protruding member 111 by the first guiding surface 223, so that the first protruding member 111 is disengaged from the lens 21 by the first yielding hole 222; the second limiting surface 230 is far away from the second convex member 112 and moves to the lower side of the second convex member 112 through the second abdication hole 232, so that the second convex member 112 is separated from the lens 21 through the second abdication hole 232.

Referring to fig. 5-7, preferably, the lamp panel 3 is attached to a wall of the mounting cavity 10a, that is, to an upper end surface in the heat dissipating body 1, and the lens 21 is covered on the lamp panel 3 and connected to the heat dissipating body 1; the bottom wall of the installation cavity 10a faces the first convex piece 111 and is provided with a first processing hole 311, the bottom wall of the installation cavity 10a faces the second convex piece 112 and is provided with a second processing hole 312, and the first convex piece 111 and the second convex piece 112 are formed on the heat dissipation main body 1 by punching through the punching machine; in addition, the lamp 100 further includes a first sealing ring 313 and a second sealing ring 314 installed in the installation cavity 10a, the first sealing ring 313 is installed between the lens 21 and the heat dissipation main board 11, and the second sealing ring 314 is installed between the lens 21 and the heat dissipation auxiliary board 12; further, in this structure, the first seal ring 313 is disposed on the outer peripheral side of the first processing hole 311 and the lamp panel 3, and the second seal ring 314 is disposed on the inner peripheral side of the second processing hole 312 and the lamp panel 3, and this structure is to seal the installation cavity 10a, preventing the installation cavity 10a from being burnt out by water inflow; in addition, in the present embodiment, the inner cavity wall 10b and the outer cavity wall 10c of the installation cavity 10a are disposed in a gap with the lens 21, so that friction is not generated between the lens 21 and the peripheral sides of the heat dissipation main plate 11 and the heat dissipation sub plate 12 during rotation, and the lens 21 is protected.

In summary, the present utility model provides a lamp, when a lens is required to be mounted on a heat dissipation main body, a first protruding member passes through a first abdicating hole, a second protruding member passes through a second abdicating hole, and a driving portion is driven to rotate so as to drive a first limiting surface to rotate to a position right below the first protruding member and a second limiting surface to rotate to a position right below the second protruding member, thereby limiting the lens to be mounted in a mounting cavity; when the lens is required to be detached from the radiating main body, the driving part is driven to rotate so as to drive the first yielding hole to rotate to the position right below the first convex piece and the second yielding hole to rotate to the position right below the second convex piece, and the lens is separated from the radiating main body by pulling the lens along the up-down direction.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, one of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not drive the essence of the corresponding technical solutions to depart from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. The utility model provides a lamps and lanterns, includes heat dissipation main part and covers locate the lens subassembly of heat dissipation main part one side, its characterized in that:

the heat dissipation main body comprises a heat dissipation main board and a heat dissipation auxiliary board arranged at the center of the heat dissipation main board, the heat dissipation main body is downwards sunken to form an installation cavity, and the installation cavity is positioned between the heat dissipation main board and the heat dissipation auxiliary board;

the lens assembly comprises a lens and a driving part arranged on the lens;

2. A light fixture as recited in claim 1, wherein: the first limiting surface comprises a first clamping surface correspondingly clamped with the first convex piece and a first guiding surface for connecting the first clamping surface and the first abdication hole;

3. A light fixture as recited in claim 2, wherein: the thickness of the first convex piece is the same as that of the second convex piece;

4. A light fixture as recited in claim 2, wherein: the second limiting surface gradually inclines upwards from the side close to the second abdicating hole to the side far away from the second abdicating hole.

5. A light fixture as recited in claim 4, wherein: the inclination angle of the second limiting surface is 1/3-1/4 of the inclination angle of the first guiding surface.

6. A light fixture as recited in claim 2, wherein: the length range of the first convex piece is between 1/2 and 2/3 of the length of the first clamping surface, and the length range of the second convex piece is between 1/3 and 1/4 of the length of the second limiting surface.

7. A light fixture as recited in claim 1, wherein: the first convex pieces and the second convex pieces are arranged in a plurality, the first convex pieces are uniformly distributed on the outer cavity wall of the mounting cavity, and the second convex pieces are uniformly distributed on the inner cavity wall of the mounting cavity;

8. A light fixture as recited in claim 1, wherein: the heat dissipation main board is provided with a first opening, one side of the driving part, which is away from the first convex piece, is provided with a groove, and the driving part can be moved by penetrating the first opening through a driving rod and inserting the driving rod into the groove;

the opening angle range of the first opening is between 10 and 15 degrees.

9. A light fixture as recited in claim 8, wherein: the lamp also comprises a lamp panel arranged in the mounting cavity, the lamp panel is attached to the cavity wall of the mounting cavity, and the lens cover is arranged on the lamp panel and is connected with the radiating main body;

10. A light fixture as recited in claim 1, wherein: the inner cavity wall and the outer cavity wall of the mounting cavity are both arranged with the lens gap.