CN212430749U - Upper cover and lower cover structure of dimmer driving module with worm - Google Patents

Abstract

The utility model relates to the field of light modulators, in particular to an upper and lower cover structure of a light modulator driving module with a worm, which comprises a first cover plate, a second cover plate and an adjusting block, wherein the first cover plate is rotatably connected with an adjusting rod, the adjusting rod comprises an adjusting button, a threaded part, a smooth part and a clamping block, the threaded part is in threaded connection with the first cover plate, a cavity is arranged in the smooth part, the clamping block is movably arranged in the cavity, a spring is arranged in the cavity, the side wall of the adjusting block is provided with a fixing hole communicated with the clamping groove, and the side wall of the adjusting block is provided with a clamping groove for the clamping and embedding of the clamping block to insert, after the adjusting rod is rotated, the distance between the adjusting block and the second cover plate can be adjusted, the light modulator can be applied to the light modulators in the car lamps with different models, the gap between the shell and the mounting part, ensuring normal use of the dimmer.

Description

Upper cover and lower cover structure of dimmer driving module with worm

Technical Field

The utility model relates to a light modulator technical field especially relates to a take light modulator drive module upper and lower cover structure of worm.

Background

Automotive headlamps, in particular low beam lamps, are usually dimmers. The dimmer is including installing the dimming motor in the car headlamp and installing the regulating switch on motormeter dish, and the dimming motor screw pushes up the headlight reflection of light face outside, and the during operation is along with the regulation of switch, and the festival screw rod of dimming motor carries out concertina movement, drives the movement of headlight reflection of light face, adjusts the height of reverberation focus to reach the effect of adjusting the headlight. At present, the mode that the dimmer on the market is installed inside the car light mainly is: the dimmer shell is provided with a through hole, and a screw is inserted into the through hole and is installed in the car lamp in a threaded connection mode. But this kind of mounting means is single, can't satisfy the diversified demand in market, and the dimmer of different models is installed in the car light of different models, and the part has the clearance between the shell of dimmer and the installation department for the fixed back dimmer of spiro union shakes easily or the dimmer is crooked, influences the normal use of dimmer.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a light modulator driving module upper and lower cover structure with a worm.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a take dimmer drive module of worm to go up lower cover structure, includes first apron, second apron and adjusting block, it is connected with the adjusting lever to rotate on the first apron, the adjusting lever include the adjusting button, with screw thread portion that the adjusting button is connected, with screw thread portion rotates smooth portion and the fixture block of connection, screw thread portion with first apron passes through threaded connection, be provided with the cavity in the smooth portion, the fixture block activity sets up in the cavity, be provided with the spring in the cavity, the one end of spring with the one end of fixture block is connected, the other end of spring with the interior wall connection of cavity, the lateral wall of adjusting block is provided with the fixed orifices with the draw-in groove intercommunication, the lateral wall of adjusting block is provided with the confession fixture block inlay card male draw-in groove.

Preferably, a servo motor is installed in the first cover plate, an output shaft of the servo motor is connected with a first gear, a second gear meshed with the first gear is connected to the first cover plate in a rotating mode, a worm is sleeved on the second gear, a worm wheel connected with the worm is connected to the first cover plate in a rotating mode, a connecting rod is fixed to the worm wheel, and the connecting rod stretches out of the first cover plate.

Preferably, the second cover plate is made of a metal material, and a side of the second cover plate, which is far away from the first cover plate, is provided with heat dissipation fins.

Preferably, one end of the fixture block, which is located in the cavity, is provided with a limiting block.

Preferably, an inclined surface is arranged at one end of the fixture block, which is far away from the cavity.

Preferably, one end of the first cover plate is provided with a protrusion, and the adjusting rod is rotatably connected to the protrusion.

The utility model has the advantages that:

the utility model discloses rotate the adjusting knob, the adjusting knob drives screw thread portion and rotates, utilize the screw thread can adjust the position between screw thread portion and the first apron, in pressing the retraction cavity with the fixture block, insert the smooth portion in the fixed orifices again, under the effect of the elasticity of spring, the fixture block stretches out behind the cavity, the fixture block is fixed with the draw-in groove inlay card, it is fixed with smooth portion and adjusting block, after rotating the adjusting lever, can adjust the distance between adjusting block and the second apron, can be suitable for the light modulator in the car light of different models, there is the clearance in the part between the shell of avoiding the light modulator and the installation department, prevent that the fixed back light modulator of spiro union from shaking or the light modulator is crooked, guarantee the normal use of light modulator.

Drawings

Fig. 1 is a perspective view of an upper cover and a lower cover of a dimmer driving module with a worm according to the present invention;

fig. 2 is a perspective view of an upper and lower cover structure of the dimmer driving module with a worm shown in fig. 1 from another viewing angle;

fig. 3 is a perspective view of an upper and lower cover structure of the dimmer driving module with a worm shown in fig. 1 from another viewing angle;

fig. 4 is a top view of the upper and lower cover structures of the dimmer driving module with a worm shown in fig. 1;

FIG. 5 is a cross-sectional view at A-A of FIG. 4;

fig. 6 is a perspective view of an adjusting lever in the upper and lower cover structures of the dimmer driving module with a worm shown in fig. 1;

fig. 7 is a partial enlarged view of fig. 5 at B.

In the figure: the heat radiation device comprises a heat radiation fin 1, a second cover plate 2, a first cover plate 3, a protrusion 31, an adjusting rod 4, an adjusting button 41, a threaded part 42, a smooth part 43, a cavity 431, a clamping block 44, a limiting block 441, an adjusting block 5, a clamping groove 51, a servo motor 6, a worm wheel 7, a worm 8, a second gear 9, a first gear 10 and a spring 11.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can 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. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

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 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.

Referring to fig. 1-7, a top and bottom cover structure of a dimmer driving module with a worm comprises a first cover plate 3, a second cover plate 2 and an adjusting block 5, an adjusting rod 4 is rotatably connected to the first cover plate 3, the adjusting rod 4 comprises an adjusting button 41, a threaded portion 42 connected with the adjusting button 41, a smooth portion 43 rotatably connected with the threaded portion 42, and a latch 44, the threaded part 42 is connected with the first cover plate 3 through threads, a cavity 431 is arranged in the smooth part 43, the fixture block 44 is movably arranged in the cavity 431, a spring 11 is arranged in the cavity 431, one end of the spring 11 is connected with one end of the latch 44, the other end of the spring 11 is connected with the inner wall of the cavity 431, the side wall of the adjusting block 5 is provided with a fixing hole communicated with the clamping groove 51, and the side wall of the adjusting block 5 is provided with the clamping groove 51 for the clamping block 44 to be inserted in a clamping manner. Rotate adjusting knob 41, adjusting knob 41 drives screw thread portion 42 and rotates, utilize the screw thread can adjust the position between screw thread portion 42 and the first apron, press the retraction cavity 431 with fixture block 44 in, insert smooth part 43 in the fixed orifices again, under the effect of the elasticity of spring 11, fixture block 44 stretches out behind cavity 431, fixture block 44 is fixed with draw-in groove 51 inlay card, it is fixed with smooth part 43 and adjusting block 5, rotate adjusting rod 4 back, can adjust the distance between adjusting block 5 and the second apron 2, can be suitable for the dimmer in the car light of different models, part exists the clearance between the shell of avoiding the dimmer and the installation department, prevent that the fixed back dimmer of spiro union shakes or the dimmer is crooked, guarantee the normal use of dimmer.

Install servo motor 6 in the first apron, servo motor 6's output shaft has first gear 10, first apron internal rotation be connected with first gear 10 meshed second gear 9, the cover is equipped with worm 8 on the second gear 9, first apron internal rotation be connected with worm wheel 7 that worm 8 is connected, be fixed with the connecting rod on the worm wheel 7, the connecting rod stretches out first apron, the connecting rod is used for being connected with the dimming motor screw rod.

The second cover plate is made of metal materials, and a radiating fin 1 is arranged on one side, far away from the first cover plate, of the second cover plate. The heat dissipation fins 1 can enable a gap to exist between the second cover plate and the installation part, the second cover plate can conduct heat generated by the servo motor 6 to the heat dissipation fins 1, and the heat is conducted to the air through the heat dissipation fins 1 to achieve heat dissipation.

A limiting block 441 is arranged at one end of the fixture block 44 located in the cavity 431, and an inclined surface is arranged at one end of the fixture block 44 far away from the cavity 431. The stopper 441 is used to prevent the latch 44 from separating from the cavity 431, and the inclined surface facilitates the latch 44 to retract into the cavity 431 when the smooth portion 43 is inserted into the fixing hole.

In this embodiment, a protrusion 31 is disposed at one end of the first cover plate 3, and the adjusting rod 4 is rotatably connected to the protrusion 31. In other embodiments, not shown, the number of the protrusions 31 is two, wherein one of the protrusions 31 is located at one end of the first cover plate 3, and the other protrusion 31 is located at the other end of the first cover plate 3.

The utility model discloses rotate adjusting knob 41, adjusting knob 41 drives screw thread portion 42 and rotates, utilize the screw thread can adjust the position between screw thread portion 42 and the first apron, press down retraction cavity 431 with fixture block 44 in, insert the smooth part 43 in the fixed orifices again, under the effect of the elasticity of spring 11, fixture block 44 stretches out behind cavity 431, fixture block 44 is fixed with draw-in groove 51 inlay card, it is fixed with smooth part 43 and adjusting block 5, rotate behind adjusting lever 4, can adjust the distance between adjusting block 5 and the second apron 2, can be suitable for the light modulator in the car light of different models, there is the clearance in the part between shell of avoiding the light modulator and the installation department, prevent that the fixed back light modulator of spiro union from shaking or light modulator crooked, guarantee the normal use of light modulator.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a take dimmer drive module of worm upper and lower cover structure, its characterized in that, includes first apron, second apron and adjusting block, it is connected with the adjusting lever to rotate on the first apron, the adjusting lever include the adjusting button, with screw thread portion that the adjusting button is connected, with screw thread portion rotates smooth portion and the fixture block of connecting, screw thread portion with first apron passes through threaded connection, be provided with the cavity in the smooth portion, the fixture block activity sets up in the cavity, be provided with the spring in the cavity, the one end of spring with the one end of fixture block is connected, the other end of spring with the interior wall connection of cavity, the lateral wall of adjusting block is provided with the fixed orifices with the draw-in groove intercommunication, the lateral wall of adjusting block is provided with the confession the fixture block inlay card male draw-in groove.

2. A dimmer driving module upper and lower cover structure with a worm according to claim 1, wherein a servo motor is installed in the first cover plate, an output shaft of the servo motor is connected with a first gear, a second gear meshed with the first gear is rotatably connected in the first cover plate, a worm is sleeved on the second gear, a worm wheel connected with the worm is rotatably connected in the first cover plate, a connecting rod is fixed on the worm wheel, and the connecting rod extends out of the first cover plate.

3. The upper and lower cover structure of a dimmer driving module with a worm as claimed in claim 1, wherein the second cover plate is made of metal material, and a side of the second cover plate away from the first cover plate is provided with heat dissipating fins.

4. The upper and lower cover structure of a dimmer driving module with a worm as claimed in claim 1, wherein a limiting block is disposed at an end of the clamping block located in the cavity.

5. The upper and lower cover structure of a dimmer driving module with a worm as claimed in claim 1, wherein an end of the latch away from the cavity is provided with an inclined surface.

6. The worm-equipped upper and lower cover structure of a dimmer driving module as claimed in claim 1, wherein a protrusion is provided at one end of the cover, and the adjustment rod is rotatably connected to the protrusion.

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