CN111256088A - Lamp linkage adjusting mechanism and linkage adjusting method - Google Patents

Abstract

The invention relates to a lamp linkage adjusting mechanism and a lamp linkage adjusting method, wherein the lamp linkage adjusting mechanism comprises: a first mounting bracket for mounting a first light fixture unit structure; a second mounting bracket for mounting a second light fixture unit structure; one end of the linkage structure is hinged with the first mounting frame, and the other end of the linkage structure is hinged with the second mounting frame; the linkage structure can adjust the length of the linkage structure. The invention can eliminate the light type deviation only by adjusting the length of the linkage structure, does not need to arrange an independent dimming structure, and simplifies the control structure of the vehicle lamp.

Description

Lamp linkage adjustment mechanism and linkage adjustment method

technical field

The invention relates to the technical field of vehicle lamps, in particular to a lamp linkage adjustment mechanism and a linkage adjustment method.

Background technique

LED lamps in vehicle lamps are widely used. Due to the diversification of required functions, vehicle lamps usually include a low beam lamp unit structure, an auxiliary low beam lamp unit structure, a high beam lamp unit structure and an auxiliary high beam lamp unit structure. At present, in vehicle lamps, linkage mechanisms are often introduced to realize linkage adjustment of different types of lamp unit structures in vehicle lamps. At the same time, in order to ensure safety during driving, based on traffic rules, the light pattern of vehicle lamps is usually designed into a specific shape to help quickly identify road conditions close to the driving side, and at the same time, it will not affect oncoming vehicles. Therefore, after the lamp unit structure is assembled by the mounting frame, it is necessary to adjust the light pattern matched with the linked lamp unit structure to prevent the light pattern from being displaced. However, at present, the structure for adjusting the light pattern needs to be separately arranged on the lamp unit structure, resulting in a complicated control structure of the vehicle lamp.

SUMMARY OF THE INVENTION

Based on this, it is necessary to provide a lamp linkage adjustment mechanism and linkage adjustment method that can simplify the vehicle lamp control structure in order to solve the problem that the above-mentioned structure for adjusting the light pattern needs to be separately arranged on the lamp unit structure, resulting in a redundant vehicle lamp control structure.

A lamp linkage adjustment mechanism, comprising:

a first mount, the first mount is used to mount the first lamp unit structure;

a second mounting rack, the second mounting rack is used for mounting the second lamp unit structure;

A linkage structure, one end of the linkage structure is hingedly connected to the first mounting frame, and the other end is hingedly connected to the second mounting frame; the linkage structure can adjust its own length.

Further, the linkage structure includes:

linkage rod;

a locking assembly for restricting movement of the linkage rod;

a first ball head screw, the first ball head screw is connected with the first ball head nut on the first mounting frame, and is threadedly connected with one end of the linkage rod close to the first mounting frame .

Further, the locking assembly includes:

a locking structure, the locking structure is arranged on the linkage rod;

The locking structure is arranged on the first mounting frame; the locking structure cooperates with the locking structure to limit the rotation of the linkage rod along its own axis.

Preferably, the locking structure and the locking structure are distributed along the circumference of the linkage rod, and at least one locking structure is respectively provided on both sides of the locking structure.

Further, a hexagonal platform is provided between the threaded portion and the polished rod portion of the first ball screw.

Further, a ball head platform is formed at the connection between the head of the first ball head screw and the polished rod part.

Further, the linkage structure also includes:

A second ball head screw, the second ball head screw is connected with the second ball head nut on the second mounting frame, and is threadedly connected with one end of the linkage rod close to the second mounting frame .

Further, the lamp linkage adjustment mechanism further includes:

The limiting structure is arranged between the first mounting frame and the linkage structure, and is used to limit the adjustment stroke of the first ball screw.

Preferably, the limiting structure includes:

a limit block, the limit block is arranged on the first installation frame, and a limit space is formed between the limit block and the first installation frame;

A stopper, which is arranged on the linkage structure and can move within the limiting space.

A lamp linkage adjustment method, based on any one of the linkage adjustment methods of the lamp linkage adjustment mechanism described above, comprising:

Actuating the drive assembly, the first installation frame is driven by the drive assembly to move, and drives the first lamp unit structure located on the first installation frame to move;

The linkage structure drives the second installation frame to move under the driving of the first installation frame, and drives the second lamp unit structure on the second installation frame and the second lamp unit structure on the first installation frame. The first lamp unit is structurally linked;

The length of the linkage structure is adjusted so as to adjust the light type matching the first lamp unit structure and the second lamp unit structure.

The above-mentioned lamp linkage adjustment mechanism is provided with a first mounting frame, a second mounting frame and a linkage structure, the linkage between the first lamp unit structure and the second lamp unit structure is realized through the linkage structure, and the linkage structure is adjusted by adjusting the length of the linkage structure. The positions and inclination angles of the first mounting bracket and the second mounting bracket at both ends are adjusted, that is, the positions and inclination angles of the first lamp unit structure and the second lamp unit structure are adjusted, and there is no need to provide an independent dimming structure, which simplifies the vehicle Lighting control structure. At the same time, since the adjustment of the length of the linkage structure is a continuous adjustment, the accuracy of the position and inclination angle adjustment of the first mounting frame and the second mounting frame is improved.

In the above method for linkage adjustment of lamps, the linkage of the first lamp unit structure and the second lamp unit structure is realized through the linkage structure, and the adjustment of the light pattern matching the first lamp unit structure or the second lamp unit structure is realized by adjusting the linkage structure, eliminating the need for The light pattern deviation simplifies the adjustment steps of the light pattern of the vehicle lamps.

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

Description of drawings

1 is a perspective view of a lamp linkage adjustment mechanism according to an embodiment of the application;

2 is a partial perspective view of a lamp linkage adjustment mechanism according to an embodiment of the application;

3 is a front view of a lamp linkage adjustment mechanism according to an embodiment of the application;

FIG. 4 is a partial front view of the area A in FIG. 3 in the lamp linkage adjustment mechanism according to an embodiment of the application;

5 is a cross-sectional view of the linkage structure according to an embodiment of the application along the B-B section in FIG. 4;

FIG. 6 is a cross-sectional view of a locking assembly according to an embodiment of the application along the C-C section in FIG. 2;

7 is a perspective view of a lamp linkage adjustment mechanism according to another embodiment of the application;

FIG. 8 is a partial perspective view of the area D in FIG. 7 in the lamp linkage adjustment mechanism according to another embodiment of the present application.

In the reference numerals: 100-first mounting frame; 200-second mounting frame; 300-linkage structure; 400-linkage rod; 500-locking assembly; 510-locking structure; 520-locking structure; 610-first ball head screw; 620-first ball head nut; 630-second ball head screw; 640-second ball head nut; 650-hexagonal platform; 660-ball head platform; 700-limiting structure; 710-limiting block; 720-stop; 730-limit space.

Detailed ways

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 of the present application, and do not involve the technical solutions of the present application. all the examples.

It should be noted that, in the description of this application, when an element is referred to as being "fixed to" another element, it may be directly on the other element or an intervening element 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 otherwise defined, 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 terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

According to FIG. 1 and FIG. 2 , in one embodiment, a lamp linkage adjustment mechanism includes a first mounting frame 100 , a second mounting frame 200 and a linkage structure 300 . Wherein, the first mounting frame 100 is used for installing the first lamp unit structure (not shown), and the second installation frame 200 is used for installing the second lamp unit structure (not shown). The first installation frame 100 and the second installation frame 200 are disposed at both ends of the linkage structure 300 , and the first installation frame 100 and the second installation frame 200 are hingedly connected to the two ends of the linkage structure 300 respectively. After the first lamp unit structure is driven by the driving assembly (not shown) to move, the linkage structure 300 is driven to move by the first mounting frame 100, and then the second lamp unit structure is driven to move by the linkage structure 300 through the second mounting frame 200, Finally, the linkage between the first lamp unit structure and the second lamp unit structure is realized. The relative positions of the two ends of the linkage structure 300 can be adjusted to realize the adjustment of the length of the linkage structure 300 itself.

In one embodiment, the length of the linkage structure 300 is adjusted according to the light pattern detection results of the first lamp unit structure and the second lamp unit structure, so as to realize the adjustment of the relative positions of the two ends of the linkage structure 30, thereby driving the first lamp unit structure and the The second lamp unit structure moves, so that the light pattern matching the first lamp unit structure and the second lamp unit structure is a preset light pattern. The movement of the first lamp unit structure and the second lamp unit structure adjusts the inclination angle or the position of the first lamp unit structure and the second lamp unit structure. It can be understood that the light type refers to the angle and shape of the light of the vehicle lamps and lanterns, which can be represented as the illumination position where the light of the vehicle lamps and lanterns is projected onto a certain vertical plane. For example, the first lighting unit structure is matched with the second lighting unit structure and is projected to a lighting position on a certain vertical plane. When the vehicle is driving on the right, in order to prevent the illumination of the vehicle lamps from affecting the sight and safety of the oncoming car, the light pattern is characterized by a lower cut-off line of light and shade on the left, and a higher cut-off line of light and dark on the right, so that it will not affect the oncoming car. Pedestrians and vehicles on the right side of the road can be clearly seen. Conversely, when the vehicle is driving on the left, the light pattern is characterized by a lower cut-off line on the right and a higher cut-off line on the left. The light pattern is generally adjusted by adjusting the inclination angle of the lamp unit structure. In the above-mentioned lamp linkage adjustment mechanism, by adjusting the position and inclination angle of the first lamp unit structure and the second lamp unit structure, the matching light pattern of the first lamp unit structure and the second lamp unit structure is adjusted, and the light pattern deviation is eliminated. At the same time, since the relative positions of the two ends of the linkage structure are adjusted continuously, the continuous adjustment of the matching light patterns of the first lamp unit structure and the second lamp unit structure can be realized, which improves the accuracy of light pattern adjustment.

In one embodiment, the length of the linkage structure 300 can also be adjusted according to the distance between the two ends of the linkage structure 300 .

In one embodiment, the drive assembly can adjust the inclination angle of the first lamp unit structure, and the linkage of the linkage structure 300 and the adjustment of the length of the linkage structure 300 can realize the adjustment of the inclination angle of the second lamp unit structure, thereby realizing The adjustment of the matching light patterns of the first lamp unit structure and the second lamp unit structure is to realize the adjustment of the light patterns of the vehicle lamps.

In another embodiment, the linkage of the linkage structure 300 combined with the adjustment of the length of the linkage structure 300 can realize the adjustment of the angle between the first lamp unit structure and the second lamp unit structure, and the driving assembly can realize the adjustment of the first lamp unit structure. The adjustment of the inclination angle, combined with the angle between the first lamp unit structure and the second lamp unit structure, realizes the adjustment of the inclination angle of the second lamp unit structure, and then realizes the matching of the light type between the first lamp unit structure and the second lamp unit structure. adjustment, that is, to realize the adjustment of the light pattern of the vehicle lamps.

In order to realize the adjustment of the length of the linkage structure 300, in one embodiment, the linkage structure 300 is a telescopic element. The linkage structure 300 adjusts the length by telescopic and then drives the first mounting frame 100 and the second mounting frame 200 at both ends to move relative to each other, and adjusts the structure of the first lighting unit on the first mounting frame 100 and the second lighting unit on the second mounting frame 200 The location and angle of inclination of the structure.

In one embodiment, the first lamp unit structure and the second lamp unit structure are adjusted by adjusting the position and inclination angle of the first lamp unit structure on the first mounting frame 100 and the second lamp unit structure on the second mounting frame 200 . The matching light pattern of the lamp unit structure is the preset light pattern.

In another embodiment, the linkage structure 300 is a threaded connector, and the length of the linkage structure 300 is adjusted by adjusting the position of the threaded connection to drive the first mounting frame 100 and the second mounting frame 200 to move relative to each other, thereby realizing the first lamp unit structure Adjustment of the position and inclination angle of the structure of the second lamp unit.

In one embodiment, the linkage structure 300 is a straight rod.

In one embodiment, the linkage structure 300 is a bent rod.

In one embodiment, the linkage structure 300 is a hollow structure, which can reduce its own weight while ensuring the strength.

In one embodiment, the first lamp unit structure is fixedly connected to the first mounting frame 100 , and the second lamp unit structure is fixedly connected to the second mounting frame 200 .

In one embodiment, the driving component may be a dimming motor, and the telescopic rod of the dimming motor is extended or retracted to drive the structure of the first lamp unit to move.

In one of the embodiments, the first lamp unit structure and the second lamp unit structure move in the same direction.

In one of the embodiments, the first lamp unit structure and the second lamp unit structure move at the same speed.

In one embodiment, the first lamp unit structure may be any one of a low beam unit structure, a high beam unit structure, an auxiliary low beam unit structure, and an auxiliary high beam unit structure.

In one embodiment, the second lamp unit structure may be any one of a low beam unit structure, a high beam unit structure, an auxiliary low beam unit structure, and an auxiliary high beam unit structure.

Preferably, the first lamp unit structure is a low beam unit structure, and the second lamp unit structure is an auxiliary low beam unit structure.

Preferably, the first lamp unit structure is a high beam unit structure, and the second lamp unit structure is an auxiliary high beam unit structure.

Preferably, the first lamp unit structure is a low beam unit structure, and the second lamp unit structure is a high beam unit structure.

The above-mentioned lamp linkage adjustment mechanism is provided with a first mounting frame, a second mounting frame and a linkage structure, the linkage between the first lamp unit structure and the second lamp unit structure is realized through the linkage structure, and the linkage structure is adjusted by adjusting the length of the linkage structure. The positions and inclination angles of the first mounting bracket and the second mounting bracket at both ends are adjusted, that is, the positions and inclination angles of the first lamp unit structure and the second lamp unit structure are adjusted, and there is no need to provide an independent dimming structure, which simplifies the vehicle Lighting control structure. At the same time, since the adjustment of the length of the linkage structure is a continuous adjustment, the accuracy of the position and inclination angle adjustment of the first mounting frame and the second mounting frame is improved.

Further, since the two ends of the linkage structure 300 are hingedly connected to the first mounting frame 100 and the second mounting frame 200 respectively, the two ends of the linkage structure 300 can rotate freely, which may cause the linkage structure 300 to idly rotate when adjusting the length. As a result, the length of the linkage structure 300 cannot be adjusted. According to FIGS. 1 to 5 , in order to prevent the phenomenon that the linkage structure 300 cannot adjust its own length due to idling, in one embodiment, the linkage structure 300 includes a linkage rod 400 , a locking assembly 500 and a first ball screw 610 , wherein , the first ball screw 610 is threadedly connected with one end of the linkage rod 400 close to the first mounting frame 100, the first ball nut 620 is clamped on the first mounting frame 100, and the socket surface of the first ball nut 620 is connected to the first mounting frame 100. The head of a ball screw 610 is a sliding fit. The locking assembly 500 restricts the movement of the linkage rod 400 when the length of the linkage structure 300 is adjusted. For example, the locking assembly 500 can limit the movement of the linkage rod 400 along its own axial direction, and the locking assembly 500 can also limit the rotation of the linkage rod 400 along its own axial direction. By adjusting the length of the threaded connection between the first ball screw 610 and the linkage rod 400, the relative positions of the ball head on the first ball screw 610 and the ball head on the other end of the linkage rod 400 are adjusted, and then the first mounting bracket 100 and the second mounting bracket The frame 200 adjusts the positions and inclination angles of the first lamp unit structure and the second lamp unit structure.

In one embodiment, the first ball nut 620 is fixed on the first mounting bracket 100 .

Further, as shown in FIG. 5 , the first ball head screw 610 includes a head portion (not shown), a polished shaft portion (not shown) and a threaded portion (not shown). Wherein, the threaded portion on the first ball screw 610 is threadedly connected with the internal thread on one end of the linkage rod 400 close to the first lamp unit structure through the external thread. The outside of the first ball nut 620 is clamped on the first mounting frame 100 , and the inside of the first ball nut 620 is slidably fitted with the head of the first ball screw 610 .

In another embodiment, the linkage rod includes a first linkage member and a second linkage member, one end of the first linkage member is provided with an external thread, and one end of the second linkage member is provided with an internal thread matching the external thread of the first linkage member thread. The length of the linkage rod is adjusted by adjusting the length of the threaded connection between the first linkage member and the second linkage member, thereby realizing the adjustment of the length of the linkage structure.

The above-mentioned lamp linkage adjustment mechanism can flexibly adjust the length of the linkage structure by arranging the first ball head screw and the first ball head nut, thereby realizing the adjustment of the position and the inclination angle of the first lamp unit structure and the second lamp unit structure. In order to eliminate the light pattern deviation between the first lamp unit structure and the second lamp unit structure and reduce the influence of installation deviation on the use effect of vehicle lamps, at the same time, it can also improve the use effect of vehicle lamps when the service cycle is long, and prolong the service life of vehicle lamps. .

In one embodiment, according to FIGS. 2 , 5 and 6 , the locking assembly 500 includes a locking structure 510 and a locking structure 520 . The locking structure 510 is provided on the linkage rod 400 , and the locking structure 520 is provided on the first mounting frame 100 . When the length of the linkage structure 300 is adjusted, the locking structure 520 cooperates with the locking structure 510 to restrict the rotation of the linkage rod 400 along its own axis.

In one embodiment, the locking structure 520 is movably connected to the first mounting frame 100. When the relative position of the two ends of the linkage structure 300 is adjusted, that is, when the length of the linkage structure 300 is adjusted, the locking structure 520 is located at the limit At the position of the locking structure 510, when the linkage structure 300 drives the first mounting frame 100 to link with the second mounting frame 200, the locking structure 520 moves to a position where it will not interfere with the locking structure 510, so as to ensure the linkage process of the linkage structure 300. During the normal movement, the interference of the locking structure 520 to the linkage between the first mounting frame 100 and the second mounting frame 200 is avoided.

In one embodiment, the locking structure 520 is provided on the second mounting frame 200 .

In one embodiment, the locking structures 510 and the locking structures 520 are distributed along the circumferential direction of the linkage rod 400 , and the number of the locking structures 510 is two, which are located on both sides of the locking structure 520 respectively, and are used for bidirectionally restricting the locking structure The position of 520 realizes the restriction of the forward and reverse rotation of the linkage rod 400 along its own axis.

In one embodiment, as shown in FIG. 2 , there are multiple locking structures 510 , which are evenly arrayed around the linkage rod 400 .

In one embodiment, the locking structure 510 increases stability through stiffeners (not shown).

In another embodiment, two locking structures 520 are located on both sides of the locking structure 510 for bidirectionally restricting the position of the locking structure 510 to limit the forward and reverse rotation of the linkage rod 400 along its axis.

Preferably, in one of the embodiments, as shown in FIG. 6 , the locking structure 510 is a paddle, and the locking structure 520 is a card board.

In the above-mentioned lamp linkage adjustment mechanism, the locking assembly includes a locking structure and a locking structure, and the components in the locking assembly are all arranged on the original structure of the lamp linkage adjustment mechanism, and there is no need to add an additional structure for supporting the locking assembly, which simplifies the structure. The design reduces the occupied space and reduces the production cost.

In order to further increase the adjustment stroke of the positions and inclination angles of the first lighting unit structure and the second lighting unit structure, in one embodiment, as shown in FIG. 2 and FIG. 5 , the linkage structure 300 further includes a second ball head screw 630. The second ball screw 630 is threadedly connected to one end of the linkage rod 400 close to the first mounting frame 100 , the second ball nut 640 is clamped on the second mounting frame 200 , and the socket surface of the second ball nut 640 is connected to the second mounting frame 200 . The heads of the second ball screw 630 are slidably fitted. By adjusting the length of the threaded connection between the second ball screw 630 and the linkage rod 400, the relative positions of the ball head of the first ball head screw 630 and the ball head of the other end of the linkage rod 400 are adjusted, that is, the length of the linkage structure 300 is adjusted. The first mounting bracket 100 and the second mounting bracket 200 adjust the positions and inclination angles of the first lamp unit structure and the second lamp unit structure.

In one embodiment, the first ball nut 620 is fixed on the first mounting bracket 100 .

Further, as shown in FIG. 2 and FIG. 5 , the second ball head screw 630 includes a head (not shown), a polished shank (not shown) and a screw thread (not shown). Wherein, the threaded portion on the second ball head screw 630 is threadedly connected with the internal thread on one end of the linkage rod 400 close to the structure of the first lamp unit through the external thread. The outside of the second ball nut 640 is clamped on the second mounting frame 200 , and the inside of the second ball nut 640 is slidably fitted with the ball of the second ball screw 630 .

In the above-mentioned lamp linkage adjustment mechanism, the adjustment range of the length of the linkage structure is increased by arranging the second ball head screw and the second ball head nut, thereby increasing the adjustment range of the position and the inclination angle of the first lamp unit structure and the second lamp unit structure. , to improve the ability of the first ball head screw to eliminate the deviation of the light pattern, thereby further prolonging the service life of the vehicle lamps and lanterns.

In order to facilitate the operation of the first ball screw 610 , in one embodiment, as shown in FIG. 2 and FIG. 5 , a hexagonal platform 650 is provided between the threaded portion and the polished rod portion of the first ball screw 610 . Wherein, the hexagonal platform 650 is used to realize the rotation of the first ball screw 610 through a tool. Specifically, the length of the threaded connection between the first ball screw 610 and the linkage rod 400 is adjusted by rotating the first ball screw 610 through the cooperation of the wrench with the hexagonal platform 650 .

In one of the embodiments, as shown in FIG. 2 and FIG. 5 , a hexagonal platform 650 is also provided between the threaded part and the polished rod part of the second ball screw 630 , wherein the hexagonal platform 650 is used to realize the Rotation of ball screw 630 . Specifically, the length of the threaded connection between the second ball screw 630 and the linkage rod 400 is adjusted by rotating the second ball screw 630 through the cooperation of the wrench with the hexagonal platform 650 .

In the above-mentioned lamp linkage adjustment mechanism, a hexagonal platform is provided between the threaded part of the first ball screw and the polished rod part, and the first ball screw can be rotated through the cooperation of the hexagonal platform and the tool, and at the same time, the rotation stroke of the first ball screw can be limited, so as to improve the performance of the first ball screw. The operability of the first ball head screw and the safety during the adjustment of the lamp are improved.

In one embodiment, as shown in FIG. 2 and FIG. 5 , a ball head platform 660 is formed at the connection between the head of the first ball head screw 610 and the polished rod part. The gradually transitioned fillet of the first ball head screw 610 relative to the first ball head nut 620 disappears, that is, the guide structure on the first ball head screw 610 is eliminated, and the head of the first ball head screw 610 and the first ball The state in which the head nut 620 is slidably connected.

In one embodiment, as shown in FIG. 2 and FIG. 5 , a ball head platform 660 is formed at the connection between the head of the second ball head screw 630 and the polished rod part.

The above-mentioned lamp linkage adjustment mechanism, by designing the connection between the ball head and the polished rod portion as a ball head platform, increases the pull-off force of the ball head in the first ball head screw from the first ball head nut, so it can prevent the first ball head. A ball head screw is released from the first ball head nut, which improves the stability of the linkage adjustment mechanism of the lamp.

In order to achieve the stability of the linkage structure in the light pattern adjustment process, in one embodiment, the lamp linkage adjustment mechanism further includes a limit structure 700 , and the limit structure 700 is disposed between the first mounting frame 100 and the linkage structure 300 . The limiting structure 700 can limit the adjustment stroke of the first ball screw 610 , and further limit the adjustment range of the length of the linkage structure 300 . The above-mentioned lamp linkage adjustment mechanism can effectively prevent the length of the threaded connection between the first ball head screw and the linkage rod being too short due to the excessive adjustment amount, causing the first ball head screw to fall off, thereby effectively avoiding the linkage failure and dimming failure of the linkage structure.

In one embodiment, as shown in FIGS. 7 and 8 , the limiting structure 700 includes a limiting block 710 and a blocking block 720 . The limiting block 710 is disposed on the first mounting frame 100 , and a limiting space 730 is formed between the limiting block 710 and the first mounting frame 100 . The stopper 720 is disposed on the linkage structure 300 , and the stopper 720 can move within the limiting space 730 .

In one embodiment, the limiting space may be a semi-closed space with one side closed and one side open.

In another embodiment, the limiting space may also be a closed space closed on both sides.

In one specific embodiment, as shown in FIG. 8 , the limiting block 710 is provided on the locking structure 520 , and the blocking block 720 is provided on the locking structure 510 .

The above-mentioned lamp linkage adjustment mechanism, through the cooperation of the limit block and the stop block in the limit structure, prevents the adjustment amount of the first ball head screw from being too large, resulting in an excessively short threaded connection length between the first ball head screw and the linkage rod, resulting in The first ball head screw falls off, which improves the safety during the adjustment process of the vehicle lamp.

A lamp linkage adjustment method, based on any one of the linkage adjustment methods of the lamp linkage adjustment mechanism, comprising: starting a driving assembly, the first mounting frame 100 is driven by the driving assembly to move, and drives the first installation frame 100. The first lamp unit structure (not shown) moves. The linkage structure 300 drives the second installation frame 200 to move under the driving of the first installation frame 100 , and drives the second lamp unit structure on the second installation frame 200 to link with the first lamp unit structure. The length of the linkage structure 300 is adjusted according to the matching result of the light patterns of the first lighting unit structure and the second lighting unit structure, so as to adjust the matching light patterns of the first lighting unit structure and the second lighting unit structure.

In the above method for linkage adjustment of lamps, the linkage of the first lamp unit structure and the second lamp unit structure is realized through the linkage structure, and the adjustment of the light pattern matching the first lamp unit structure or the second lamp unit structure is realized by adjusting the linkage structure, eliminating the need for The light pattern deviation simplifies the adjustment steps of the light pattern of the vehicle lamps.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the invention patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can also be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (10)

1. A lamp linkage adjustment mechanism, comprising:

a first mounting bracket for mounting a first light fixture unit structure;

a second mounting bracket for mounting a second light fixture unit structure;

one end of the linkage structure is hinged with the first mounting frame, and the other end of the linkage structure is hinged with the second mounting frame; the linkage structure can adjust the length of the linkage structure.

2. The light fixture linkage adjustment mechanism of claim 1, wherein the linkage structure comprises:

a linkage rod;

a locking assembly for limiting movement of the linkage rod;

the first ball head screw is connected with a first ball head nut ball head arranged on the first mounting frame and is in threaded connection with one end, close to the first mounting frame, of the linkage rod.

3. The light fixture linkage adjustment mechanism of claim 2, wherein the locking assembly comprises:

the locking structure is arranged on the linkage rod;

the locking structure is arranged on the first mounting frame; the locking structure is matched with the locking structure to limit the linkage rod to rotate along the axis of the linkage rod.

4. The lamp linkage adjusting mechanism according to claim 3, wherein the locking structures and the locking structures are circumferentially distributed along the linkage rod, and at least one locking structure is respectively disposed on two sides of the locking structure.

5. The light fixture linkage adjustment mechanism of claim 2, wherein a hexagonal platform is disposed between the threaded portion and the polished rod portion of the first ball screw.

6. The light fixture linkage adjustment mechanism of claim 2, wherein a ball platform is formed at a connection of the head portion and the light rod portion of the first ball screw.

7. The light fixture linkage adjustment mechanism of claim 2, wherein the linkage structure further comprises:

and the second ball head screw is connected with a second ball head nut ball head arranged on the second mounting frame and is in threaded connection with one end, close to the second mounting frame, of the linkage rod.

8. The light fixture linkage adjustment mechanism of claim 2, further comprising:

and the limiting structure is arranged between the first mounting frame and the linkage structure and is used for limiting the adjustment stroke of the first ball head screw.

9. The light fixture linkage adjustment mechanism of claim 8, wherein the limiting structure comprises:

the limiting block is arranged on the first mounting frame, and a limiting space is formed between the limiting block and the first mounting frame;

the stop block is arranged on the linkage structure and can move in the limit space.

10. A lamp linkage adjusting method based on the lamp linkage adjusting mechanism according to any one of claims 1 to 9, comprising:

starting a driving assembly, wherein the first mounting frame moves under the driving of the driving assembly and drives the first lamp unit structure on the first mounting frame to move;

the linkage structure is driven by the first mounting rack to drive the second mounting rack to move and drive the second lamp unit structure on the second mounting rack to be linked with the first lamp unit structure on the first mounting rack;

and adjusting the length of the linkage structure so as to adjust the light type of the first lamp unit structure matched with the light type of the second lamp unit structure.

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