CN214369903U - Lamp dimming mechanism and vehicle lamp assembly - Google Patents

Abstract

The utility model relates to a lamps and lanterns mechanism and car light assembly of adjusting luminance, wherein, lamps and lanterns mechanism of adjusting luminance includes: comprises a light adjusting rod, a light adjusting component, a bracket and a fastening component; the first dimming end of the dimming rod is used for being connected with the lamp body, and the bracket is used for being connected with the vehicle body; the light adjusting component, the bracket and the fastening component are sequentially sleeved on the light adjusting rod along the direction departing from the lamp body; a movable gap is formed between the bracket and the light adjusting rod, and the bracket is connected with the bulb of the light adjusting component; the fastening member is matched with the dimming second end of the dimming rod to enable the support to be abutted to the dimming member, and therefore relative movement of the support and the dimming member is limited. The utility model discloses the part size is less, and distributes compactly for occupation space is less, has enlarged the range of application of lamps and lanterns mechanism of adjusting luminance. Because the relative position's of the component of adjusting luminance and support among the lamps and lanterns mechanism of adjusting luminance adjustment is continuous adjustment, can realize the continuous adjustment of light type, improved the light type accuracy.

Description

Lamp dimming mechanism and vehicle lamp assembly

Technical Field

The utility model relates to an automobile lamp technical field especially relates to a lamps and lanterns mechanism and car light assembly of adjusting luminance.

Background

The automobile lamp is an important functional part of an automobile, and generally comprises a low-beam lamp unit structure, an auxiliary low-beam lamp unit structure, a high-beam lamp unit structure, an auxiliary high-beam lamp unit structure and the like due to diversification of required functions. Based on traffic regulations, in order to ensure safety during driving, the illumination light type of an automobile lamp is generally designed into a specific shape through a lamp dimming mechanism, so as to ensure that illumination light illuminates a front road, and further help a driver to quickly distinguish a road condition close to one side of driving, and meanwhile, ensure that the illumination light does not dazzle the opposite automobile.

In the existing automobile lamp, as shown in fig. 1(a) and 1(b), the lamp dimming mechanism is mainly realized by connecting a dimming support 3 through a fulcrum nut 1 and a fulcrum screw 2 to adjust the irradiation light, so that the whole lamp dimming mechanism occupies a large space. However, the metal plate structure of the vehicle body has limited space, and the internal structural parts of the lamp are gradually complex, so that the occupied space of the lamp body of the headlamp is increased, and the interior of the lamp cannot reserve enough space for the lamp dimming mechanism, i.e., the conventional lamp dimming mechanism cannot meet the installation requirement.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the problem that the light dimming mechanism occupies a large space, it is necessary to provide a light dimming mechanism and a light assembly that can realize irradiation of light and occupy a small space.

A lamp dimming mechanism comprises a dimming rod, a dimming component, a bracket and a fastening component, wherein the dimming first end of the dimming rod is connected with a lamp body, and the bracket is connected with a vehicle body;

the light adjusting component, the bracket and the fastening component are sequentially sleeved on the light adjusting rod along the direction departing from the lamp body;

a movable gap is formed between the bracket and the light adjusting rod, and the bracket is connected with the bulb of the light adjusting component;

the fastening member is matched with the dimming second end of the dimming rod to enable the support to be abutted to the dimming member, and therefore relative movement of the support and the dimming member is limited.

Preferably, in some embodiments of the present application, the movable gap is an inter-cone annular gap with a cone apex pointing towards the lamp body.

Preferably, in some embodiments of the present application, the dimming member has a dimming convex surface facing the support, and the support has a dimming concave surface matching with the dimming convex surface, and the dimming convex surface abuts against the dimming concave surface.

Further, in some embodiments of the present application, the fastening first end of the fastening member is threadedly connected with the dimming second end of the dimming rod, and the fastening second end of the fastening member is connected with the bracket ball.

Further, in some embodiments of the present application, the lamp dimming mechanism further includes a mounting member disposed on the lamp body, and the mounting member is geared or screwed with the dimming rod.

Further, in some embodiments of the present application, the light adjusting rod is provided with a mounting boss; one side of the light adjusting component facing the lamp body is provided with a mounting hole; the mounting member abuts to the shoulder of the mounting boss to abut the end face of the mounting boss to the hole wall of the mounting hole.

Further, in some embodiments of the present application, a slot is opened at a side of the dimming member facing the lamp body, and an insertion block adapted to the slot is disposed on the mounting member; the plug is plugged in the slot to limit the relative movement of the mounting member and the dimming member.

Further, in some embodiments of the present application, the lamp dimming mechanism further comprises a locking member disposed between the bracket and the dimming member, the locking member for limiting relative movement of the dimming member with respect to the bracket.

Preferably, in some embodiments of the present application, the locking member comprises:

a locking groove arranged on the bracket, wherein the opening of the locking groove faces the light adjusting component;

the locking block is arranged on the dimming component and is matched with the locking groove.

A car lamp assembly comprises any one of the lamp dimming mechanisms, a lamp body and a car body, wherein the lamp body is arranged at a dimming first end of a dimming rod in the lamp dimming mechanism, and the car body is arranged on a support.

Above-mentioned lamps and lanterns mechanism of adjusting luminance through adopting many parts concatenation such as the polished rod, adjust luminance component, support and fastening member to form the multi-angle internal dimming structure, has guaranteed the ability of adjusting luminance, can assemble performance and the shock resistance of lamp body. Meanwhile, the size of the part is small, the distribution is compact, and the occupied space is small, so that the multi-angle internal dimming structure formed by the parts is particularly suitable for the working condition that the space is too small and is not enough to distribute the next complete dimming structure, the application range of the lamp dimming mechanism is expanded, and the overall structure is optimized. Finally, the relative position of the dimming component and the support in the lamp dimming mechanism is continuously adjusted, so that the continuous adjustment of the light type can be realized, and the accuracy of the light type is improved.

The car lamp assembly ensures the light-adjustable performance, the assembling performance and the vibration resistance of the lamp body. Meanwhile, the parts of the dimming mechanism in the car lamp assembly are small in size and compact in distribution, so that the occupied space is small, the multi-angle internal dimming structure formed by the parts is particularly suitable for the working condition that the space is too small and is not enough to distribute the next complete dimming structure, the application range of the lamp dimming mechanism is expanded, and the car lamp assembly structure is optimized.

Various specific structures of the present application, as well as the functions and effects thereof, will be described in further detail below with reference to the accompanying drawings.

Drawings

Fig. 1(a) is a front view of a prior art lamp dimming mechanism 10;

fig. 1(b) is a rear view of a prior art lamp dimming mechanism 10;

fig. 2 is a front view of a lamp dimming mechanism 10 according to some embodiments of the present application;

fig. 3 is an exploded front view of the lamp dimming mechanism 10 according to some embodiments of the present application;

fig. 4 is a right side view of the lamp dimming mechanism 10 according to some embodiments of the present application;

FIG. 5 is a cross-sectional view of the light fixture dimming mechanism 10 of some embodiments of the present application, taken along section A-A of FIG. 4;

fig. 6 is an exploded cross-sectional view of a lamp dimming mechanism 10 according to some embodiments of the present application;

fig. 7 is an exploded perspective view of the lamp dimming mechanism 10 according to some embodiments of the present application.

In the reference symbols:

Prior Art

1-a fulcrum nut; 2-fulcrum screw; 3-a dimming stand;

this application

10-lamp dimming structure; 100-a light adjusting rod; 110-dimming first terminal; 120-dimming second end; 130-mounting a boss; 131-a shoulder; 132-an end face; 140-center of rotation; 200-a dimming member; 210-a dimming convexity; 220-mounting holes; 221-pore walls; 230-slot; 300-a scaffold; 310-a dimmed concave; 320-fastening convexity; 400-a fastening member; 410-securing the first end; 420-fastening the second end; 421-fastening concave; 500-a mounting member; 510-an insert block; 600-a locking member; 610-locking groove; 620-locking block; 20-a lamp body; 21-a heat sink; 22-a mirror; 23-a circuit board; 24-mounting screws.

Detailed Description

The technical solutions in the embodiments of the present application will be further clearly and completely described below with reference to the accompanying drawings, but it should be noted that the following embodiments are only some preferred embodiments in the present application, and do not refer to all embodiments covered by the technical solutions of the present application.

It should be noted that when an element is referred to as being "fixed" to another element in the description of the present application, it may be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

When the structural size of the vehicle body part outside the lamp body is too large, the external space of the lamp body is limited, and the next complete dimming mechanism is not enough to be arranged, in order to ensure the assembling performance and the vibration performance of the lamp body 20 on the vehicle body, the dimming requirement of the lamp body is realized by adopting a mode that a plurality of parts are spliced into the lamp dimming mechanism 10. As shown in fig. 2 and 3, the light adjusting rod 100 is used to connect the fastening member 400, the bracket 300, the light adjusting member 200 and the lamp body 20, so that the lamp body 20 including the heat sink can rotate in the horizontal/vertical direction around the rotation center to adjust the light inside the lamp, and finally the fastening member 400 is locked to the bracket 300 and the light adjusting member 200 to meet the vibration requirement.

As can be seen from fig. 2 and 3, in some embodiments of the present application, a lamp dimming mechanism 10 includes a dimming rod 100, a dimming member 200, a bracket 300, and a fastening member 400. The dimming rod 100 has a dimming first end 110 for connecting to the lamp body 20, and a bracket 300 for connecting to a vehicle body (not shown). The dimming member 200, the bracket 300, and the fastening member 400 are sequentially sleeved on the dimming rod 100 in a direction away from the lamp body 20. A moving gap (not shown) is formed between the holder 300 and the light-adjusting rod 100, and the holder 300 is ball-jointed to the light-adjusting member 200. The holder 300 is in spherical contact with the light adjusting member 200, and when the holder 300 and the light adjusting member 200 relatively rotate along the contact surface, the light adjusting rod 100 rotates and moves relative to the holder 300 within the range of the movable gap along its axis, thereby adjusting the relative positions of the lamp body 20 connected to the light adjusting first end 110 and the vehicle body connected to the holder 300. Specifically, when the position of the vehicle body is fixed, the lamp dimming mechanism 10 may adjust the inclination angle of the lamp body 20, or may adjust the position of the lamp body 20, so that the light type of the lamp body 20 is a preset light type. The fastening member 400 is engaged with the dimming second end 120 of the dimming rod 100 to press the bracket 300 against the dimming member 200 after the adjustment of the lamp body 20 is completed, thereby restricting the relative movement of the bracket 300 and the dimming member 200. That is, the lamp dimming mechanism 10 is locked by the fastening member 400 to satisfy complex working conditions such as vibration with external loads, thereby improving the stability of the lamp dimming mechanism 10 in the use process and expanding the use range of the lamp dimming mechanism 10. Wherein the light adjusting rod 100 may be a mounting screw.

It can be understood that the light type refers to the angle and shape of the light of the automobile lamp, and can be characterized as the illumination position of the light of the automobile lamp projected on a certain vertical plane. Specifically, the light pattern may be an illumination position projected onto a certain vertical plane after the first lamp unit structure is matched with the second lamp unit structure. When the car is leaned on the right side to go, in order to avoid the car lamps and lanterns to shine the sight and the safety that influence the opposite car that comes, the light type sign is that left side light and shade cut-off is lower, and right side light and shade cut-off is higher, can not influence like this and come the car to the opposite direction, can clearly see pedestrian and the car on the right side road again. Conversely, when the vehicle is traveling to the left, the light pattern is characterized by a lower right cutoff and a higher left cutoff. The light pattern is typically adjusted by adjusting the tilt angle of the lamp unit structure.

Preferably, in some embodiments of the present application, as shown in fig. 3, the lamp body 20 includes a heat sink 21, a reflecting mirror 22, a circuit board 23, and a mounting screw 24 connected to each other, wherein the light adjusting rod 100 is mounted on the heat sink 21.

The lamp dimming mechanism 10 ensures the dimming performance, the assembling performance and the vibration resistance of the lamp body 20 by adopting the multi-angle internal dimming structure formed by splicing the multiple parts such as the dimming rod 100, the dimming member 200, the bracket 300, the fastening member 400 and the like. Meanwhile, the size of the components is small, the distribution is compact, and the occupied space is small, so that the multi-angle internal dimming structure formed by the multiple parts is particularly suitable for the working condition that the space is too small and is not enough to distribute the next complete dimming structure, the application range of the lamp dimming mechanism 10 is expanded, and the overall structure is optimized. Finally, since the relative position between the dimming member 200 and the support 300 in the lamp dimming mechanism 10 is continuously adjusted, the light pattern can be continuously adjusted, and the accuracy of the light pattern is improved.

In some embodiments of the present application, as can be seen from fig. 4 and 5, the clearance gap is an annular gap between cones with the vertex pointing to the lamp body 20. The light-adjusting rod 100 can rotate freely in three-dimensional space around the cone top of the annular gap between the cones. I.e., the center of rotation 140 of the light adjusting rod 100 is the apex of the annular gap between the cones.

Preferably, in some embodiments of the present application, the apex of the inter-cone annular gap is located on the axis of light adjuster rod 100. I.e., the center of rotation 140 of the light dimming rod 100 is located on the axis of the light dimming rod 100.

In the lamp dimming mechanism 10, the movable gap is an annular gap between cones, so that the limit rotation position of the dimming rod 100 is limited conveniently, the lamp body 20 is prevented from sliding off the support 300 in the dimming process, and the overall stability of the lamp dimming mechanism 10 is improved. Further, when the vertex of the annular gap between the cones is located on the axis of the light adjusting rod 100, the light adjusting rod 100 is conveniently controlled to rotate in all directions, and the light adjusting difficulty of the lamp body 20 is reduced.

Specifically, in some embodiments of the present application, as can be seen from fig. 6 and 7, the dimming member 200 has a dimming convex surface 210 facing the bracket, and the bracket 300 has a dimming concave surface 310 adapted to the dimming convex surface 210, and the dimming convex surface 210 abuts against the dimming concave surface 310.

In order to extend the dimming range of the lamp body 20 and improve the dimming accuracy of the lamp body 20, in some embodiments of the present application, as can be seen from fig. 5, 6 and 7, the dimming convex surface 210 and the dimming concave surface 310 are disposed around the dimming rod 100, so that the lamp body 20 can be adjusted in all directions to be in spherical contact.

It is understood that in some other embodiments of the present application, the dimming member 200 has a dimming concave surface (not shown) opened toward the bracket, the bracket 300 has a dimming convex surface (not shown) adapted to the dimming concave surface, and the dimming concave surface abuts against the dimming convex surface to realize the ball-end connection of the dimming member 200 and the bracket 300.

Specifically, in some embodiments of the present application, as shown in fig. 5, the fastening first end 410 of the fastening member 400 is threadedly coupled with the dimming second end 120 of the dimming rod 100, and the fastening second end 420 of the fastening member 400 is ball-coupled with the bracket 300.

In the above-mentioned lamp dimming mechanism 10, the fastening member 400 is connected with the ball of the bracket 300, so that the fastening member 400 is adapted to the dimming rod 100 at each rotation angle, and meanwhile, the surface contact between the fastening member 400 and the bracket 300 is ensured, and the stability of the whole structure is improved.

Specifically, in some embodiments of the present application, as shown in fig. 6, the fastening first end 410 includes a fastening internal thread, the dimming second end 120 includes a dimming external thread adapted to the fastening internal thread, and the fastening member 400 adjusts the relative position between the fastening second end 420 and the bracket 300 by adjusting the threaded connection position between the fastening internal thread and the dimming external thread, so that after the dimming member 200 drives the lamp body 20 to complete dimming, the bracket 300 is abutted against the dimming member 200, thereby limiting the relative movement between the dimming member 200 and the bracket 300 after dimming is completed.

In order to reduce the difficulty of installing the lamp dimming mechanism 10 on the lamp body 20, in some embodiments of the present application, as shown in fig. 6 and 7, the lamp dimming mechanism 10 further includes a mounting member 500 disposed on the lamp body 20, and the mounting member 500 is geared or screwed with the dimming rod 100. Specifically, the dimming first end 110 of the dimming rod 100 includes a first gear, the mounting member 500 includes a second gear adapted to the connection male screw, and the mounting member 500 is engaged with the dimming rod 100 through the gear. Alternatively, the dimming first end 110 of the dimming rod 100 includes a connection external thread, the mounting member 500 includes a connection internal thread adapted to the connection external thread, and the mounting member 500 is threadedly coupled to the dimming rod 100.

In order to reduce the number of parts and the difficulty of mounting the lamp dimming mechanism 10 on the lamp body 20, in some embodiments of the present application, the mounting member 500 is integrally formed with the lamp body 20.

In order to further limit the relative movement between the light adjusting rod 100 and the lamp body 20, so as to improve the stability of the overall structure of the light adjusting mechanism 10 after the light adjusting mechanism 10 completes light adjusting, as can be seen from fig. 6 and 7, in some embodiments of the present application, the light adjusting rod 100 is provided with a mounting boss 130, a mounting hole 220 is opened on one side of the light adjusting member 200 facing the lamp body, the mounting member 500 abuts against a shoulder 131 of the mounting boss 130, so as to abut an end surface 132 of the mounting boss 130 against a hole wall 221 of the mounting hole 220, thereby limiting the relative movement between the light adjusting rod 100 and the lamp body 20 along the axial direction of the light adjusting rod 100.

In order to reduce friction between the components and improve the effective utilization rate of energy, as shown in fig. 7, in some preferred embodiments, the mounting boss 130 is a spherical boss, and the mounting hole 220 is a spherical hole, so that the mounting boss 130 is in contact with the ball of the dimming member 200, and further, the mounting boss 130 is rotatably connected with the dimming member 200, thereby improving the degree of freedom of rotation of the lamp body 20 and reducing the dimming difficulty of the lamp body 20.

In order to further limit the relative movement between the dimming rod 100 and the lamp body 20, so as to improve the stability of the overall structure of the lamp dimming mechanism 10 after dimming is completed, in some embodiments of the present application, as shown in fig. 7, a slot 230 is opened on a side of the dimming member 200 facing the lamp body 20, wherein the slot 230 is opened facing the lamp body 20, and an insertion block 51 adapted to the slot 230 is disposed on the mounting member 500. The insert 510 is inserted into the insertion groove 230 to limit the relative movement of the installation member 500 and the dimming member 200. The lamp dimming mechanism 10 can limit the relative movement of the dimming rod 100 and the lamp body 20 along the axial direction of the dimming rod 100 and limit the rotation of the dimming rod 100 relative to the lamp body 20 along the axial direction of the dimming rod 100 by the matching of the insertion groove 230 and the insertion block 51.

To reduce the difficulty of installation, in some embodiments of the present application, the opening direction of the slot 230 is parallel to the axial direction of the light adjusting rod 100.

In some embodiments of the present application, as shown in fig. 7, the slots 230 are grouped into 4 groups and distributed around the mounting hole 220; meanwhile, the insertion blocks 510 are 4 groups and distributed around the installation member 500, and the positions of the insertion slots 230 and the insertion blocks 510 are respectively opposite to each other, so that the installation member 500 and the dimming member 200 are stably connected.

In order to further limit the relative movement between the dimming rod 100 and the lamp body 20 to improve the stability of the overall structure after the dimming of the lamp dimming mechanism 10 is completed, in some embodiments of the present application, as shown in fig. 7, the lamp dimming mechanism 10 further includes a locking member 600 disposed between the bracket 300 and the dimming member 200. Wherein the locking member 600 serves to restrict the relative movement of the dimming member 200 with respect to the bracket 300.

In some embodiments of the present application, as shown in fig. 7, the locking member 600 includes a mating locking groove 610 and locking block 620. The locking groove 610 is opened on the bracket 300, the locking groove 610 is opened toward the light adjusting member 200, and the locking block 620 is disposed on the light adjusting member 200. The locking member 600 serves to restrict the relative movement of the dimming member 200 with respect to the bracket 300.

In some embodiments of the present application, as shown in fig. 7, the locking groove 610 is an arc-shaped groove opening toward the lamp body, and the locking block 620 is an arc-shaped block fitting to the arc-shaped groove, and the arc-shaped groove and the arc-shaped block cooperate to limit the rotation of the dimming member 200 relative to the holder 300 about the axial direction of the dimming rod 100 and to limit the movement of the dimming member 200 along the axial direction and the radial direction of the dimming rod 100. Above-mentioned lamps and lanterns mechanism of adjusting luminance 10 cooperatees through arc wall and arc piece, realizes support 300 and the locking of the component 200 of adjusting luminance, can also realize adjusting luminance 100 and drive the rotation of the component 200 of adjusting luminance and lamp body 20 along radial direction simultaneously under the condition of the fastening component 400 of unscrewing, has reduced the mechanism 10 degree of difficulty of adjusting luminance of lamps and lanterns.

A vehicle lamp assembly, as shown in FIG. 7, comprises any one of the above-mentioned lamp dimming mechanisms 10, a lamp body 20 and a vehicle body, wherein the lamp body 20 is mounted on the dimming first end 110 of the dimming rod 100 of the lamp dimming mechanism 10, and the vehicle body is mounted on the bracket 300.

The car lamp assembly ensures the light-adjustable performance, the assembling performance and the vibration resistance of the lamp body. Meanwhile, the parts of the dimming mechanism in the car lamp assembly are small in size and compact in distribution, so that the occupied space is small, the multi-angle internal dimming structure formed by the parts is particularly suitable for the working condition that the space is too small and is not enough to distribute the next complete dimming structure, the application range of the lamp dimming mechanism is expanded, and the car lamp assembly structure is optimized.

In some embodiments of the present application, the assembling method of the lamp assembly includes:

step 1: the mounting member 500 is mounted on the lamp body 20, and the bracket 300 is mounted on the vehicle body. It is understood that when the mounting member 500 is integrally molded with the lamp body 20, and the bracket 300 is integrally molded with the vehicle body, step 1 is not required.

Step 2: the dimming first end 110 of the dimming rod 100 is mounted to the mounting member 500.

And step 3: the dimming member 200 is fitted over the dimming rod 100, and the installation of the stopper between the dimming member 200 and the installation member 500 is completed. For example, the mounting member 500 abuts the shoulder 131 of the mounting boss 130 in the dimming rod 100 until the end surface 132 of the mounting boss 130 abuts the hole wall 221 of the mounting hole 220 on the dimming member 200. For another example, the plug 510 of the mounting member 500 is plugged into the slot 230 of the light adjusting member 200.

And 4, step 4: the dimming second end 120 of the dimming rod 100 is inserted through the through hole of the holder 300 to penetrate the dimming rod 100 through the holder 300.

And 5: the light adjusting column 100 is adjusted to drive the lamp body 20 to move, so as to adjust the light of the lamp body 20.

Step 6: the fastening member 400 is screwed to the dimming second end 120 of the dimming post 100 until the bracket 300 is pressed against the dimming member, completing the assembly of the lamp assembly.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A lamp dimming mechanism is characterized by comprising a dimming rod, a dimming component, a support and a fastening component, wherein the dimming first end of the dimming rod is connected with a lamp body, and the support is connected with a vehicle body;

the light adjusting component, the bracket and the fastening component are sequentially sleeved on the light adjusting rod along the direction departing from the lamp body;

a movable gap is formed between the bracket and the light adjusting rod, and the bracket is connected with the light adjusting component ball head;

the fastening member is matched with the dimming second end of the dimming rod to enable the support to be abutted to the dimming member, and therefore relative movement of the support and the dimming member is limited.

2. A lamp dimming mechanism as claimed in claim 1, wherein the clearance is an inter-cone annular gap with its apex pointing towards the lamp body.

3. A light fixture dimming mechanism as defined in claim 1, wherein the dimming member has a dimming convex surface facing the support, the support has a dimming concave surface matching the dimming convex surface, and the dimming convex surface abuts against the dimming concave surface.

4. The lamp dimming mechanism of claim 1, wherein a fastening first end of the fastening member is threadably connected to the dimming second end of the dimming rod, and a fastening second end of the fastening member is connected to the bracket bulb.

5. The lamp dimming mechanism of claim 1, further comprising a mounting member disposed on the lamp body, the mounting member being geared or threaded with the dimming rod.

6. A lamp dimming mechanism according to claim 5, wherein the dimming rod is provided with a mounting boss; one side of the dimming component facing the lamp body is provided with a mounting hole; the mounting member abuts to the shoulder of the mounting boss to abut the end face of the mounting boss to the hole wall of the mounting hole.

7. The lamp dimming mechanism of claim 6, wherein a slot is formed on a side of the dimming member facing the lamp body, and an insertion block adapted to the slot is disposed on the mounting member; the plug block is plugged in the slot to limit the relative movement of the installation component and the dimming component.

8. A light fixture dimming mechanism as claimed in claim 1, further comprising a locking member 6 disposed between the bracket and the dimming member for limiting relative movement of the dimming member with respect to the bracket.

9. The lamp dimming mechanism of claim 8, wherein the locking member comprises:

a locking groove opened on the bracket, the locking groove opening toward the dimming member;

locate the latch segment on the component of adjusting luminance, the latch segment with locking groove looks adaptation.

10. A vehicle lamp assembly comprising the lamp dimming mechanism of any one of claims 1 to 9, a lamp body and a vehicle body, wherein the lamp body is mounted to the dimming first end of the dimming rod in the lamp dimming mechanism, and the vehicle body is mounted to the bracket.

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