CN210441141U

CN210441141U - Light modulation mechanism

Info

Publication number: CN210441141U
Application number: CN201921598360.0U
Authority: CN
Inventors: 王建敏
Original assignee: CHANGCHUN ZHONGRUI AUTO PARTS CO LTD
Current assignee: CHANGCHUN ZHONGRUI AUTO PARTS CO LTD
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-05-01
Anticipated expiration: 2029-09-25

Abstract

The utility model relates to a dimming mechanism, the structure includes bevel gear group, lead screw, buckle, slider, spout, bevel gear group and lead screw fixed connection, lead screw and slider fixed connection, slider movable mounting is equipped with the circular through-hole of being connected with the fulcrum of battery of lens in the spout on the slider, through bevel gear group's motion, makes the slider linear motion in the spout, and then adjusts the removal of the fulcrum of battery of lens, realizes the regulation of battery of lens light-emitting direction, and this device compact structure has increased the variety of car light design, and moreover, can realize adjusting luminance externally through bevel gear.

Description

Light modulation mechanism

Technical Field

The utility model relates to automotive lighting technical field, especially a dimming mechanism.

Background

The adjusting mechanism of far and near light is a mechanism for adjusting the light emitting direction of the lens set in the automobile headlamp, each component in the headlamp can generate unpredictable deviation errors in the production and installation processes, so that the light emitting direction of the lens set deviates, the light cannot be emitted according to the theoretical direction, the light emitting direction of the lens set returns to the theoretical value position through the light adjusting mechanism, so that the lamp can meet the standard light emitting requirement, the inside of the traditional automobile headlamp is provided with the slide block mechanism in the light adjusting mechanism, the slide block mechanism is arranged on the specified position in the lamp shell in a guide rail matching manner, so that the slide block mechanism can perform linear motion in the specified area in the shell, namely, the light adjusting mechanism is formed by mutually matching the formulated structure on the shell and the slide block mechanism, so that the up-down and left-right adjustment of the light emitting direction of the lens set is realized, and the standard light emitting requirement is, however, the mechanism is difficult to machine, the precision is not easy to guarantee, the occupied space is large, and the design of heat dissipation and car lamp modeling is influenced.

Aiming at various defects of the existing dimming mechanism, a dimming structure is needed, the adjusting precision can be improved, the processing and the installation are simple and convenient, the structure is compact, and the occupied space is small.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dimming mechanism to solve the not enough that exists among the prior art.

In order to achieve the above purpose, the following technical scheme is provided:

the utility model provides a dimming mechanism, its characterized in that, the structure includes bevel gear group, lead screw, buckle, slider, spout, bevel gear group comprises bevel gear one and bevel gear two, and bevel gear two is located bevel gear one top and meshes rather than the central axis mutually perpendicular, bevel gear two and the one end fixed connection of lead screw, the other end of lead screw stretches into the right part certain length of slider to with slider fixed connection, the buckle is M type structure, fixed connection in the right-hand member of slider and lie in the outside of lead screw, the spout is a concave structure, the right-hand member bottom of spout is equipped with the circular arc type breach, bevel gear one and circular arc type breach fixed connection, slider movable mounting is in the spout.

Preferably, the front and the back of the slider are both provided with a certain number of polygonal recesses, the top surface and the bottom surface of the slider are respectively provided with two L-shaped protrusions, the middle position of the end part of one surface of the slider is provided with an arc recess with a certain length, the inner surface of the arc recess is provided with threads, two wedge-shaped clamping blocks are respectively arranged above and below the arc recess, and the middle position of the left part of the slider is also provided with a circular through hole.

Preferably, the screw rod is formed by sequentially and fixedly connecting a front end thread, a middle annular bulge and a tail end polished rod, the front end thread is located in the arc-shaped recess of the sliding block and matched with the thread at the arc-shaped recess, the annular bulge is located at one end of the polished rod and just abutted against one end side face of the sliding block, and the other end of the polished rod is fixedly connected with the second bevel gear.

Preferably, the top surface, the bottom surface, the back of spout all are equipped with the polygon of a certain amount and cave in, the top surface and the bottom surface of spout respectively are equipped with two rectangle through-holes, and two department rectangle through-hole one end respectively is equipped with the spacing fender of a T type, the slope of detaining in the convex one end of spacing fender is certain angle.

Preferably, two side surfaces of the buckle are respectively provided with a square through hole, and the square through holes are just clamped to the wedge-shaped clamping blocks of the sliding block, so that the buckle and the sliding block are fixedly connected.

Preferably, the L-shaped protrusion of the sliding block just passes through the rectangular through hole of the sliding chute and moves linearly along the rectangular through hole.

The utility model has the advantages that:

1. the utility model discloses an adopt the one-level cooperation of bevel gear and lead screw to realize the removal of slider, practiced thrift installation space, reduced the loss of power.

2. The utility model discloses a slider all is equipped with the recess of a certain amount with the spout, plays the effect of strengthening preapring for an unfavorable turn of events shape and subtracting heavy, has improved life.

3. The utility model is simple in operation, simple to operate can externally realize adjusting luminance.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the slider of the present invention;

FIG. 3 is a schematic structural view of the middle sliding chute of the present invention;

FIG. 4 is a schematic structural view of the middle buckle of the present invention;

the reference symbols shown in the figures are: 1-bevel gear I, 2-bevel gear II, 3-buckle, 4-screw rod, 5-slide block, 6-slide groove, 301-square through hole, 401-annular protrusion, 402-front end thread, 403-polished rod, 501-L-shaped protrusion, 502-arc recess, 503-wedge-shaped fixture block, 504-circular through hole, 601-rectangular through hole, 602-limit stop and 603-arc-shaped notch.

Detailed Description

The following describes the present design in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, a light adjusting mechanism includes a bevel gear set, a screw rod 4, a buckle 3, a slider 5, and a sliding slot 6, wherein the bevel gear set is composed of a first bevel gear 1 and a second bevel gear 2, the second bevel gear 2 is located above the first bevel gear 1 and meshed therewith, central axes of the first bevel gear 1 and the second bevel gear are perpendicular to each other, the second bevel gear 2 is fixedly connected with one end of the screw rod 4, the other end of the screw rod 4 extends into a right portion of the slider 5 by a certain length and is fixedly connected with the slider 5, the buckle 3 is of an M-shaped structure and is fixedly connected to a right end of the slider 5 and located outside the screw rod 4, the sliding slot 6 is of a concave structure, an arc notch 603 is arranged at the bottom of a right end of the sliding slot 6, the first bevel gear 1.

The front and the back of the slider 5 are provided with a certain number of polygonal recesses, the top and the bottom of the slider 5 are respectively provided with two L-shaped protrusions 501, the middle position of the end part of one side of the slider 5 is provided with an arc-shaped recess 502 with a certain length, the inner surface of the arc-shaped recess 502 is provided with threads, the upper and the lower parts of the inner surface are respectively provided with two wedge-shaped fixture blocks 503, and the middle position of the left part of the slider 5 is also provided with a round through hole 504.

The screw rod 4 is formed by sequentially fixedly connecting a front end thread 402, an annular bulge 401 in the middle and a polish rod 403 at the tail end, the front end thread 402 is located in an arc-shaped recess 502 of the sliding block 5 and is matched with the thread at the arc-shaped recess 502 of the sliding block 5, the annular bulge 401 is located at one end of the polish rod 403 and is just abutted to one end side face of the sliding block 5, and the other end of the polish rod 403 is fixedly connected with the bevel gear II 2.

The top surface, the bottom surface and the back surface of the sliding chute 6 are provided with a certain number of polygonal recesses, the top surface and the bottom surface of the sliding chute 6 are respectively provided with two rectangular through holes 601, one end of each of the two corresponding rectangular through holes 601 on the left side is provided with a T-shaped limiting stopper 602, and the convex end of each limiting stopper 602 is internally buckled and inclined at a certain angle.

The two side surfaces of the buckle 3 are respectively provided with a square through hole 301, the square through holes 301 are just clamped to wedge-shaped clamping blocks 503 of the sliding block 5, so that the buckle 3 is fixedly connected with the sliding block 5, the lead screw 4 is limited from falling off from the sliding block 5 through the fixed connection of the buckle 3 and the sliding block 5, and the front end thread 402 of the lead screw 4 is tightly matched with the thread at the arc-shaped recess 502 of the sliding block 5.

The L-shaped protrusion 501 of the sliding block 5 just penetrates through the rectangular through hole 601 of the sliding groove 6 and moves linearly along the rectangular through hole 601, and the protruding end of the limiting stopper 602 is internally buckled to prevent the L-shaped protrusion 501 from being separated from the rectangular through hole 601 when moving to the limit position.

Wherein, buckle 3 is elastic metalwork, and other structures are the working of plastics of moulding plastics.

Examples

As shown in fig. 1, before use, the screw rod 4 is matched with the thread part of the slider 5, the buckle 3 is clamped on the slider 5, the screw rod 4 is fixed, the slider 5 is installed in the chute 6, the two bevel gears are fixed, and the pivot of the lens group needing dimming is connected to the round through hole 504 of the slider 5.

Claims

1. The utility model provides a dimming mechanism, its characterized in that, the structure includes bevel gear group, lead screw, buckle, slider, spout, bevel gear group comprises bevel gear one and bevel gear two, and bevel gear two is located bevel gear one top and meshes rather than the central axis mutually perpendicular, bevel gear two and the one end fixed connection of lead screw, the other end of lead screw stretches into the right part certain length of slider to with slider fixed connection, the buckle is M type structure, fixed connection in the right-hand member of slider and lie in the outside of lead screw, the spout is a concave structure, the right-hand member bottom of spout is equipped with the circular arc type breach, bevel gear one and circular arc type breach fixed connection, slider movable mounting is in the spout.

2. A light adjusting mechanism as claimed in claim 1, wherein the front and rear faces of the slider are provided with a plurality of polygonal recesses, the top and bottom faces of the slider are respectively provided with two L-shaped protrusions, the middle position of one end of the slider is provided with an arc recess with a certain length, the inner surface of the arc recess is provided with threads, two wedge-shaped blocks are respectively arranged above and below the arc recess, and the middle position of the left portion of the slider is further provided with a circular through hole.

3. A light modulating mechanism as claimed in claim 1 or 2 wherein the screw rod is composed of a front end screw thread, a middle ring-shaped protrusion and a tail end polished rod which are fixedly connected in sequence, the front end screw thread is located in the arc-shaped recess of the slider and is matched with the screw thread at the arc-shaped recess, the ring-shaped protrusion is located at one end of the polished rod and is just abutted against one side surface of the slider, and the other end of the polished rod is fixedly connected with the second bevel gear.

4. A light adjusting mechanism as claimed in claim 1, wherein the top surface, the bottom surface and the rear surface of the sliding chute are provided with a plurality of polygonal recesses, the top surface and the bottom surface of the sliding chute are respectively provided with two rectangular through holes, one end of each of the two rectangular through holes is provided with a T-shaped limit stop, and the convex end of each limit stop is internally buckled and inclined at a certain angle.

5. A light adjusting mechanism as claimed in claim 1 or 2, wherein the two side surfaces of the buckle are respectively provided with a square through hole, and the square through holes are just clamped at the wedge-shaped clamping blocks of the sliding block, so as to realize the fixed connection between the buckle and the sliding block.

6. A dimmer according to claim 2 or 4 wherein the L-shaped projection of the slider extends through the rectangular opening in the track and is linearly movable along the rectangular opening.