CN220770943U - Track dimming nut assembly for head lamp - Google Patents
Track dimming nut assembly for head lamp Download PDFInfo
- Publication number
- CN220770943U CN220770943U CN202322551494.XU CN202322551494U CN220770943U CN 220770943 U CN220770943 U CN 220770943U CN 202322551494 U CN202322551494 U CN 202322551494U CN 220770943 U CN220770943 U CN 220770943U
- Authority
- CN
- China
- Prior art keywords
- dimming
- plastic
- guide rail
- nut
- screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002184 metal Substances 0.000 claims abstract description 62
- 230000005489 elastic deformation Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000006870 function Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model discloses a track dimming nut assembly for a headlamp, which comprises a plastic dimming guide rail, a metal ball head screw, a fulcrum nut and a dimming screw, wherein the plastic dimming guide rail penetrates through a shell and can move forwards and backwards, the metal ball head screw is fixed at the front end of the plastic dimming guide rail, the fulcrum nut is arranged on the ball head part of the metal ball head screw and can rotate at any angle, the dimming screw penetrates into the shell from outside to inside and is used for driving the plastic dimming guide rail to move forwards and backwards in the shell, a through threaded hole is formed in the plastic dimming guide rail, the dimming screw is arranged in the threaded hole, external threads on the dimming screw are assembled with internal threads in the threaded hole, and the fulcrum nut is further arranged in a mounting hole of a bracket. The front end of the plastic dimming guide rail is mounted by adopting the metal ball screw and the fulcrum nut, the assembly structure is stable, the metal ball screw cannot break even if being subjected to radial force, the risk of vibration breakage of a plastic part under a severe condition can be avoided, and the plastic dimming guide rail is suitable for a design environment with high strength requirements and small inner space.
Description
Technical field:
the utility model relates to the technical field of vehicle lamps, in particular to a dimming nut assembly with a rail for a headlamp.
The background technology is as follows:
the utility model of China with the patent number of CN209146998U discloses a headlight dimming support structure, which comprises a manual dimming component, wherein the manual dimming component comprises a manual plastic dimming guide rail, a universal seat, a guide rail sleeve, a metal card and a manual dimming screw rod, the guide rail sleeve is in sliding connection with the manual plastic dimming guide rail, the guide rail sleeve is connected with the universal seat, the guide rail sleeve is in threaded connection with the manual dimming screw rod, and the metal card is respectively connected with the guide rail sleeve and the manual dimming screw rod.
The headlamp dimming bracket structure has the following defects: above-mentioned guide rail sleeve front end integrated into one piece has the bulb pole, and the bulb of this bulb pole tip imbeds in the universal seat to form rotatable connection, but because the bulb pole size is less relatively, it is easy fracture when receiving radial force, leads to unable realization regulatory function. In addition, the metal card in the headlamp dimming support structure is fixed on the manual plastic dimming guide rail in a buckling manner, and threads are required to be punched on the metal card, so that the metal card is matched with the manual dimming screw rod in a threaded manner, the manufacturing and the assembly of the metal card are troublesome, and the market competitiveness is not improved.
In view of this, the present inventors have proposed the following means.
The utility model comprises the following steps:
the utility model aims to overcome the defects of the prior art and provides a track dimming nut assembly for a headlamp.
In order to solve the technical problems, the utility model adopts the following technical scheme: the track dimming nut assembly for the headlamp comprises a plastic dimming guide rail, a metal ball screw, a fulcrum nut and a dimming screw, wherein the plastic dimming guide rail penetrates through a shell and can move back and forth, the metal ball screw is fixed at the front end of the plastic dimming guide rail, the fulcrum nut is arranged on the ball part of the metal ball screw and can rotate at any angle, the dimming screw penetrates into the shell from outside to inside and is used for driving the plastic dimming guide rail to move back and forth in the shell, a through threaded hole is formed in the plastic dimming guide rail, the dimming screw is arranged in the threaded hole, external threads on the dimming screw are assembled with internal threads in the threaded hole, and the fulcrum nut is further arranged in a mounting hole of a bracket.
Furthermore, in the above technical scheme, the plastic dimming guide rail is provided with a thread groove along the front end surface thereof, and the screw rod formed at the rear end of the metal ball screw is spirally fixed in the thread groove, and the extension length of the metal ball screw relative to the plastic dimming guide rail can be adjusted.
Furthermore, in the above technical scheme, the metal ball screw is further provided with a locking nut in a screw manner, and the locking nut abuts against the front end face of the plastic dimming guide rail.
Furthermore, in the above technical scheme, the plastic dimming guide rail is provided with an embedded groove along the front end surface thereof, and the embedded rod formed at the rear end of the metal ball screw is embedded and fixed in the embedded groove.
Furthermore, in the above technical scheme, the middle part of the metal ball screw is also formed with an annular baffle plate protruding outwards, and the annular baffle plate is propped against the front end face of the plastic dimming guide rail.
Furthermore, in the above technical scheme, the plastic dimming guide rail comprises a main body part, a first cylinder and a second cylinder which are respectively formed on the upper end face and the lower end face of the main body part, wherein the first cylinder is provided with a thread groove or an embedded groove, and the second cylinder is provided with the thread hole.
In the technical scheme, the front end and the rear end of the plastic dimming guide rail are respectively provided with a sliding block protruding outwards, and the sliding blocks are embedded into sliding grooves formed in the shell; and the outer side surface of the sliding block is provided with a relief groove from outside to inside, so that the outer part of the sliding block is divided into two sheets capable of generating elastic deformation.
Furthermore, in the above technical solution, the dimming screw is further sleeved with a fluted disc, the fluted disc is close to the cap of the dimming screw, and a circle of teeth distributed along the axial direction is formed on the periphery of the fluted disc; the cap body is polygonal, and the rear end face of the cap body is also provided with a tool groove.
In the technical scheme, the fulcrum nut is internally provided with a spherical groove, the fulcrum nut is externally provided with a guide mounting opening which penetrates through the spherical groove and has an arc-shaped section, and the fulcrum nut is sleeved on the periphery of the ball head part through the spherical groove; the fulcrum nut is provided with a separating slot backwards along the guiding loading opening, a first petal-shaped body and a second petal-shaped body which can be mutually opened or closed are formed at the front end of the fulcrum nut, an elastic buckling arm is formed at the rear end of the fulcrum nut, the inner side of the elastic buckling arm is arranged in the separating slot, the outer side of the elastic buckling arm is protruded on the outer surface of the fulcrum nut, and the elastic buckling arm is clamped and fixed with a clamping groove in the mounting hole position.
Furthermore, in the above technical solution, an open guide groove is further provided in the housing, and a guide post is provided outside the bracket and is disposed in the open guide groove.
By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects: the front end of the plastic dimming guide rail is mounted by adopting the metal ball screw and the fulcrum nut, the assembly structure is stable, the metal ball screw cannot be broken even if being subjected to radial force, the risk of vibration fracture of a plastic part under a severe condition can be avoided, the plastic dimming guide rail is suitable for a design environment with high strength requirements and small internal space, the plastic dimming guide rail has long service life, and the dimming function of the plastic dimming guide rail can be ensured; in addition, the plastic dimming guide rail and the metal ball screw are made into a two-piece structure, so that the plastic dimming guide rail and the metal ball screw are convenient to package and transport, and the relative positions of the plastic dimming guide rail and the metal ball screw can be adjusted to adjust the length so as to meet different use requirements. In addition, the threaded holes are directly formed in the plastic dimming guide rail for being assembled with the dimming screws, the threaded metal card is not required to be installed, the structure is simple, the manufacture is simple and convenient, the assembly among all parts is simple, the efficiency is high, the cost is reduced, and the market competitiveness is improved.
Description of the drawings:
FIG. 1 is a perspective view of the present utility model assembled with a housing and bracket;
FIG. 2 is a perspective view of the present utility model from another perspective assembled with a housing and bracket;
FIG. 3 is a perspective view of the present utility model assembled with a bracket;
FIG. 4 is a perspective view of the present utility model in another view assembled with a bracket;
FIG. 5 is a perspective view of the present utility model;
FIG. 6 is a perspective view of another view of the present utility model;
FIG. 7 is a perspective view of a metal ball screw according to the present utility model;
FIG. 8 is a perspective view of a fulcrum nut of the present utility model;
FIG. 9 is a perspective view of a plastic dimming guide rail of the present utility model;
fig. 10 is a perspective view of the present utility model assembled with a housing.
The specific embodiment is as follows:
the utility model will be further described with reference to specific examples and figures.
Referring to fig. 1-10, a track-mounted dimming nut assembly for a headlamp comprises a plastic dimming guide rail 4, a metal ball screw 5, a fulcrum nut 2 and a dimming screw 3.
The plastic dimming guide rail 4 is arranged in the shell 1 in a penetrating way and can move forwards and backwards, and the metal ball screw 5 is fixed at the front end of the plastic dimming guide rail 4; the fulcrum nut 2 is arranged on the ball head 51 of the metal ball screw 5 and can rotate at any angle, and the fulcrum nut 2 is also arranged in the mounting hole 61 of the bracket 6. The dimming screw 3 penetrates into the shell 1 from outside to inside and is used for driving the plastic dimming guide rail 4 to move back and forth in the shell 1, wherein the plastic dimming guide rail 4 is provided with a through threaded hole 431, the dimming screw 3 is arranged in the threaded hole 431, and an external thread 32 on the dimming screw 3 is assembled with an internal thread in the threaded hole 431, so that when the dimming screw 3 is driven to rotate, the plastic dimming guide rail 4 can be driven to move back and forth in the shell 1 through the matching of the external thread 32 on the dimming screw 3 and the threaded hole 431 of the plastic dimming guide rail 4, so that the angle of the bracket 6 relative to the shell 1 can be adjusted, the angle of a light source module arranged on the bracket 6 can be adjusted, and the dimming purpose is realized. And because the fulcrum nut 2 arranged in the bracket is arranged on the ball head part 51 of the metal ball head screw 5 and can rotate at any angle, the bracket 6 can rotate at any angle relative to the ball head part 5 of the metal ball head screw 5, and the angle of the bracket 6 relative to the shell 1 can be better adjusted. In addition, the front end of the plastic dimming guide rail 4 is installed by adopting the metal ball screw 5 and the fulcrum nut 2, the assembly structure is stable, and even if the metal ball screw 5 is subjected to radial force, the metal ball screw 5 is not broken, so that the risk of vibration breakage of a plastic part under a severe condition can be avoided, the plastic dimming guide rail is suitable for a design environment with high strength requirements and small internal space, the plastic dimming guide rail has long service life, and the dimming function of the plastic dimming guide rail can be ensured; in addition, the plastic dimming guide rail 4 and the metal ball screw 5 are made into a two-piece structure, so that the plastic dimming guide rail is convenient to package and transport, and the relative positions of the plastic dimming guide rail and the metal ball screw 5 can be adjusted to adjust the length so as to meet different use requirements. In addition, the threaded holes 431 are directly formed in the plastic dimming guide rail 4 for being assembled with the dimming screws 3, a threaded metal card is not required to be installed, the structure is simple, the manufacturing is simple and convenient, the assembly among all parts is simple, the efficiency is high, the cost is reduced, and the market competitiveness is improved.
The assembly structure between the plastic dimming guide rail 4 and the metal ball screw 5 at least comprises the following two types, and the assembly structure is as follows:
the first assembly structure is: the plastic dimming guide rail 4 is provided with a thread groove 421 backwards along the front end surface, a screw rod 53 formed at the rear end of the metal ball screw 5 is spirally fixed in the thread groove 421, the extending length of the metal ball screw 5 relative to the plastic dimming guide rail 4 can be adjusted, the assembly is very convenient, and different use requirements can be met. In order to ensure the stability of the assembly structure, the following designs are also made: the metal ball screw 5 is further spirally provided with a locking nut 52, the locking nut 52 abuts against the front end face of the plastic dimming guide rail 4, the locking nut plays a role in locking the metal ball screw 5, the metal ball screw 5 is guaranteed to be unable to rotate again, and stable assembly of the metal ball screw 5 and the plastic dimming guide rail 4 is guaranteed.
The second assembly structure is as follows: the plastic dimming guide rail 4 is provided with an embedded groove along the front end face of the plastic dimming guide rail, an embedded rod formed at the rear end of the metal ball screw 5 is embedded and fixed in the embedded groove, and the assembly structure is simple, but the relative positions of the metal ball screw 5 and the plastic dimming guide rail cannot be adjusted, namely the length of the metal ball screw 5 extending out of the plastic dimming guide rail 4 cannot be adjusted. In addition, the middle part of metal bulb screw 5 still shaping has the annular separation blade that outwards stretches outwards, and this annular separation blade supports and leans on the terminal surface before the plastic guide rail 4 of adjusting luminance to this can prevent the excessive and the embedded assembly of this embedded groove of metal bulb screw 5 rear end fashioned inlaid pole, avoid the embedded groove fracture of plastic guide rail 4 of adjusting luminance, guarantee product life.
This embodiment is a preferred embodiment, and the first assembly structure is adopted in this embodiment.
The plastic dimming guide rail 4 comprises a main body 41, and a first cylinder 42 and a second cylinder 43 which are respectively formed on the upper end surface and the lower end surface of the main body 41, wherein the first cylinder 42 is provided with a threaded groove 421 or an embedded groove, the second cylinder 43 is provided with a threaded hole 431, and the first cylinder 42 and the second cylinder 43 are respectively formed on the upper end surface and the lower end surface of the main body 41, so that the overall length of the plastic dimming guide rail 4 can be reduced, the structure is more compact, and the purpose of installation in a narrow space can be achieved.
The front end and the rear end of the plastic dimming guide rail 4 are respectively provided with a sliding block 44 protruding outwards, and the sliding blocks 44 are embedded into a sliding groove 11 arranged in the shell 1; and the outer side surface of the sliding block 44 is provided with a yielding groove 441 from outside to inside, so that the outer part of the sliding block 44 is divided into two sheets capable of generating elastic deformation, the sliding block 44 can be more stably embedded into the sliding groove 11 arranged in the shell 1, no gap or small gap exists between the sliding blocks, and the sliding block can be moved/slid stably and accurately.
A fluted disc 34 is sleeved on the dimming screw 3, the fluted disc 34 is close to the cap body 31 of the dimming screw 3, and a circle of tooth parts 341 distributed along the axial direction are formed at the periphery of the fluted disc 34; the cap 31 is polygonal, and the rear end surface of the cap 31 is further provided with a tool slot 311, which is convenient for driving the dimming screw 3 to rotate by using different types of tools, so as to realize the adjusting function and facilitate dimming.
The fulcrum nut 2 is internally provided with a ball groove 21, a guide mounting opening 22 which penetrates through the ball groove 21 and has an arc-shaped section is arranged outside the fulcrum nut 2, and the fulcrum nut 2 is sleeved on the periphery of the ball head part 51 through the ball groove 21; the supporting point nut 2 is provided with a separating groove 23 along the guiding inlet 22, a first petal-shaped body 24 and a second petal-shaped body 25 which can be mutually opened or closed are formed at the front end of the supporting point nut 2, an elastic buckling arm 26 is formed at the rear end of the supporting point nut 2, the inner side of the elastic buckling arm 26 is arranged in the separating groove 23, the outer side of the elastic buckling arm 26 is protruded on the outer surface of the supporting point nut 2, and the elastic buckling arm 26 is clamped and fixed with a clamping groove in the mounting hole position 61.
An open guide groove 12 is also arranged in the shell 1, and a guide post 62 is arranged outside the bracket 6, and the guide post 62 is arranged in the open guide groove 12.
In summary, the front end of the plastic dimming guide rail 4 is installed by adopting the metal ball screw 5 and the fulcrum nut 2, the assembly structure is stable, and even if the metal ball screw 5 is subjected to radial force, the metal ball screw 5 is not broken, so that the risk of vibration breakage of plastic parts under severe conditions can be avoided, the plastic dimming guide rail is suitable for a design environment with larger strength requirements and smaller inner space, the plastic dimming guide rail has longer service life, and the dimming function of the plastic dimming guide rail can be ensured; in addition, the plastic dimming guide rail 4 and the metal ball screw 5 are made into a two-piece structure, so that the plastic dimming guide rail is convenient to package and transport, and the relative positions of the plastic dimming guide rail and the metal ball screw 5 can be adjusted to adjust the length so as to meet different use requirements. In addition, the threaded holes 431 are directly formed in the plastic dimming guide rail 4 for being assembled with the dimming screws 3, a threaded metal card is not required to be installed, the structure is simple, the manufacturing is simple and convenient, the assembly among all parts is simple, the efficiency is high, the cost is reduced, and the market competitiveness is improved.
It is understood that the foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.
Claims (10)
1. The head-light is with taking rail nut assembly of adjusting luminance, its characterized in that: the light-adjusting device comprises a plastic light-adjusting guide rail (4) which penetrates through a shell (1) and can move back and forth, a metal ball screw (5) which is fixed at the front end of the plastic light-adjusting guide rail (4), a fulcrum nut (2) which is arranged on a ball head part (51) of the metal ball screw (5) and can rotate at any angle, and a light-adjusting screw (3) which penetrates into the shell (1) from outside to inside and is used for driving the plastic light-adjusting guide rail (4) to move back and forth in the shell (1), wherein a through threaded hole (431) is formed in the plastic light-adjusting guide rail (4), the light-adjusting screw (3) is arranged in the threaded hole (431), external threads (32) on the light-adjusting screw (3) are assembled with internal threads in the threaded hole (431), and the fulcrum nut (2) is further arranged in a mounting hole position (61) of a bracket (6).
2. The track-type dimming nut assembly for a headlamp according to claim 1, wherein: the plastic dimming guide rail (4) is provided with a thread groove (421) backwards along the front end face of the plastic dimming guide rail, a screw rod (53) formed at the rear end of the metal ball screw (5) is spirally fixed in the thread groove (421), and the extending length of the metal ball screw (5) relative to the plastic dimming guide rail (4) can be adjusted.
3. The track-type dimming nut assembly for a headlamp according to claim 2, wherein: the metal ball screw (5) is also provided with a locking nut (52) in a spiral mode, and the locking nut (52) abuts against the front end face of the plastic dimming guide rail (4).
4. The track-type dimming nut assembly for a headlamp according to claim 1, wherein: the plastic dimming guide rail (4) is provided with an embedded groove backwards along the front end face of the plastic dimming guide rail, and an embedded rod formed at the rear end of the metal ball screw (5) is embedded and fixed in the embedded groove.
5. The track-type dimming nut assembly for a headlamp as claimed in claim 4, wherein: the middle part of the metal ball screw (5) is also provided with an annular baffle plate which protrudes outwards, and the annular baffle plate is propped against the front end face of the plastic dimming guide rail (4).
6. The track-type dimming nut assembly for a headlamp according to any one of claims 1 to 5, wherein: the plastic dimming guide rail (4) comprises a main body part (41), a first cylindrical body (42) and a second cylindrical body (43) which are respectively formed on the upper end face and the lower end face of the main body part (41), wherein the first cylindrical body (42) is provided with a thread groove (421) or an embedded groove, and the second cylindrical body (43) is provided with the threaded hole (431).
7. The track-type dimming nut assembly for a headlamp as claimed in claim 6, wherein: the front end and the rear end of the plastic dimming guide rail (4) are respectively provided with a sliding block (44) protruding outwards, and the sliding blocks (44) are embedded into sliding grooves (11) arranged in the shell (1); and the outer side surface of the sliding block (44) is provided with a relief groove (441) from outside to inside, so that the outer part of the sliding block (44) is divided into two sheets capable of generating elastic deformation.
8. The track-type dimming nut assembly for a headlamp as claimed in claim 6, wherein: a fluted disc (34) is sleeved on the dimming screw (3), the fluted disc (34) is close to the cap body (31) of the dimming screw (3), and a circle of tooth parts (341) distributed along the axial direction are formed at the periphery of the fluted disc (34); the cap body (31) is polygonal, and a tool groove (311) is further formed in the rear end face of the cap body (31).
9. The track-type dimming nut assembly for a headlamp as claimed in claim 6, wherein: the fulcrum nut (2) is internally provided with a spherical groove (21), a guide mounting opening (22) which penetrates through the spherical groove (21) and is arc-shaped in section is arranged outside the fulcrum nut (2), and the fulcrum nut (2) is sleeved on the periphery of the ball head part (51) through the spherical groove (21); the fulcrum nut (2) is provided with a separating groove (23) backwards along the guiding installation opening (22), a first petal-shaped body (24) and a second petal-shaped body (25) which can be mutually opened or closed are formed at the front end of the fulcrum nut (2), an elastic buckling arm (26) is formed at the rear end of the fulcrum nut (2), the inner side of the elastic buckling arm (26) is arranged in the separating groove (23), the outer side of the elastic buckling arm (26) is protruded on the outer surface of the fulcrum nut (2), and the elastic buckling arm (26) is clamped and fixed with a clamping groove in the installation hole site (61).
10. The track-type dimming nut assembly for a headlamp as claimed in claim 6, wherein: an open type guide groove (12) is further formed in the shell (1), a guide column (62) is arranged outside the support (6), and the guide column (62) is arranged in the open type guide groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322551494.XU CN220770943U (en) | 2023-09-20 | 2023-09-20 | Track dimming nut assembly for head lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322551494.XU CN220770943U (en) | 2023-09-20 | 2023-09-20 | Track dimming nut assembly for head lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220770943U true CN220770943U (en) | 2024-04-12 |
Family
ID=90601492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322551494.XU Active CN220770943U (en) | 2023-09-20 | 2023-09-20 | Track dimming nut assembly for head lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220770943U (en) |
-
2023
- 2023-09-20 CN CN202322551494.XU patent/CN220770943U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220770943U (en) | Track dimming nut assembly for head lamp | |
| CN200981115Y (en) | Non-stopping cramping apparatus | |
| CN201615425U (en) | Automobile xenon near-far lamp | |
| CN108844405B (en) | Laser adjusting mechanism for laser sighting device | |
| CN220770893U (en) | Integrated dimming guide rail structure for car lamp | |
| US11460151B2 (en) | Clamping device and mobile terminal holder | |
| CN101359575A (en) | Electric lamp with an external piston and a fitted lamp and method for production of same | |
| CN212537643U (en) | Lamp and double-node hidden bracket angle adjusting device thereof | |
| CN219177608U (en) | Folding spotlight | |
| CN209977785U (en) | Guide rail lamp | |
| CN216113609U (en) | Double-anti-dazzle spotlight | |
| CN217423035U (en) | Double-anti-dazzle LED spot lamp | |
| CN220688947U (en) | Street lamp free of tool installation and disassembly | |
| CN216480763U (en) | High-sensitivity motorcycle headlamp adjusting mechanism | |
| CN210380525U (en) | Dimming motor with adjusting rod provided with metal rod core | |
| CN113864723B (en) | Far-near light integrated automobile headlamp | |
| CN216790104U (en) | Multi-steering head-swinging lamp | |
| CN201753888U (en) | lampshade | |
| CN218626534U (en) | Lamp lifting device | |
| CN214745480U (en) | Electric vehicle headlamp with large-angle adjusting device | |
| CN220379597U (en) | Universal LED shot-light structure of adjustable focus | |
| CN214306978U (en) | Lamp holder with rotation axis fixed knot constructs | |
| CN219493897U (en) | High-voltage track lamp with adjustable focal length | |
| CN220228824U (en) | Front lighting lamp | |
| CN219492854U (en) | Bulb rotating device and lighting equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |