CN214154253U - Anti-interference dimming motor - Google Patents

Abstract

The utility model relates to an automobile motor accessory technical field, concretely relates to anti-interference motor of adjusting luminance, the technical problem that aims at solving lies in overcoming the unstable defect of the structure quality among the prior art, mainly can realize through following technical scheme: a tamper resistant dimmer motor comprising: the outer shell comprises a box body and a cover body which are clamped with each other, and a driving assembly and a protection assembly are arranged in the outer shell; the driving assembly comprises a motor, a transmission structure, an electronic element and a dimming shaft, the motor drives the dimming shaft to move through the transmission structure, and the electronic element is electrically connected with the motor; the protection component comprises a protection coating, a damping component and a fixed support, the inner surface of the outer shell body coated with the protection coating comprises a rubber ring and a damping pad, the fixed support fixes a motor and a part of transmission structure, the anti-interference capability of the dimming motor is improved simultaneously under the condition that the automobile lamp is adjusted, and the stability of the structure quality of the dimming motor is guaranteed.

Description

Anti-interference dimming motor

Technical Field

The utility model relates to an automobile motor accessory technical field, concretely relates to anti-interference motor of adjusting luminance.

Background

The automobile headlamp is listed as one of safety parts of an automobile by the state, and the dimming motor is one of important parts of the automobile headlamp, which meets the illumination requirement and ensures the driving safety of the automobile at night, and is one of important parts of the automobile headlamp. The principle of the dimming motor is that the motor and a gear transmission mechanism connected with the motor are used as a power device, and the power device drives the ball-head dimming rod to stretch and retract, so that the ball head of the ball-head dimming rod drives the light reflecting surface of the headlamp to move back and forth, the height of the focal distance of reflected light is adjusted, and the purpose of improving the lighting effect of the automobile headlamp is achieved.

The existing automobile lamp needs to be controlled by a power motor, so that the irradiation range and the angle of the lamp light can be conveniently adjusted, but the existing automobile lamp dimming motor is generally fixedly installed in the automobile, the automobile is easy to vibrate at an angle in the driving process, and the dimming motor is easy to install unstably due to long-time vibration, so that the use performance of the dimming motor is affected. In addition, the sealing washer of current motor housing all adopts circular design, and the distortion can appear in the installation, leads to the emergence of the condition such as dimming motor gas leakage water leakage, what is more, can appear the bad condition such as dimming motor inner structure's electronic components oxidation inefficacy, consequently, to above aspect, needs a dimming motor that can anti-interference.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the unstable defect of the structure quality among the prior art to an anti-interference motor of adjusting luminance is provided.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a tamper resistant dimmer motor comprising:

the protective device comprises an outer shell, a protective cover and a driving component, wherein the outer shell comprises a box body and a cover body which are clamped with each other, the driving component and the protective component are arranged in the outer shell, a buckle is arranged on the peripheral wall of the box body, a clamping groove matched with the buckle is arranged on the cover body, and a connecting cavity is also arranged on the cover body;

the driving assembly comprises a motor, a transmission structure, an electronic element and a dimming shaft, the motor drives the dimming shaft to perform telescopic motion through the transmission structure, the dimming shaft is perpendicular to the box body and extends out of the box body, the electronic element is electrically connected with the motor, the electronic element comprises a circuit board, a potentiometer and a plug connector, the potentiometer is fixedly installed on the circuit board, one end of the plug connector is fixed on the circuit board, and the other end of the plug connector penetrates through the connecting cavity;

the protection assembly comprises a protection coating, a damping component and a fixed support, the protection coating coats the inner surface of the outer shell, the damping component comprises a rubber ring and a damping pad, and the fixed support fixes the motor and part of the transmission structure.

Through adopting above-mentioned technical scheme, be connected this motor of adjusting luminance with the car light, thereby input voltage control motor motion drives the motion of transmission structure, transmission structure control dimming axle stretches out and draws back, carries out the regulation of focus through dimming axle, and the potential plate makes motor inside balanced voltage and the unanimous back stop motor work of voltage of input, accomplishes the regulation to car light height and angle this moment, and the protection component can improve the interference killing feature of this motor of adjusting luminance, guarantees its structural quality's stability.

Furthermore, the lid is corresponding the joint of beam adjustment axle department has the back lid, it slides the chamber to open in the back lid, the beam adjustment axle is kept away from one side in the chamber that slides is provided with the bulb.

Through adopting above-mentioned technical scheme, set up in the back lid and slide the chamber and inject the beam axis of adjusting luminance and carry out linear slip in the intracavity that slides, guarantee the slip effect of beam axis of adjusting luminance, the back lid convenient to detach of joint is convenient for observe the state of beam axis of adjusting simultaneously, in time changes operations such as maintenance.

Further, the transmission structure establishes including the cover the epaxial worm of transmission of motor, with the worm wheel that the worm meshing set up, with worm wheel integrated into one piece and coaxial deviate from the first transmission tooth that sets up and with the second transmission tooth of first transmission tooth meshing.

Through adopting above-mentioned technical scheme, the motor drives the worm and rotates, and worm drive worm wheel because worm wheel and driving tooth coaxial setting to first driving tooth rotates, consequently also rotates with the second driving tooth of first driving tooth meshing, and the change of direction of rotation is realized to the cooperation of motor and worm gear and driving tooth, thereby reaches the purpose of control beam adjustment axle.

Further, the second driving gear has a driving cylinder along axial extension, the driving cylinder inner wall is provided with the screw thread, the cover is equipped with the transmission guide cylinder on the dimming axis, transmission guide cylinder outer wall be provided with driving cylinder complex screw thread.

Through adopting above-mentioned technical scheme, the setting of transmission section of thick bamboo and transmission guide cylinder avoids direct drive beam adjustment axle to guarantee the integrality of beam adjustment axle, ensure its structural strength.

Furthermore, the box body is provided with an axle outlet hole for the transmission guide cylinder to extend out, a rubber ring is arranged at the axle outlet hole, the two axial sides of the rubber ring are respectively provided with a frustum, a diversion trench is arranged on the frustum and close to one side of the ball head, and a lubricating ball is embedded in the inner side wall of the rubber ring.

Through adopting above-mentioned technical scheme, the existence of rubber ring makes transmission guide cylinder and box junction keep sealed, and the guiding gutter reduces the inside that steam got into transmission structure, guarantees inside operational environment's aridity, and lubricated ball makes transmission guide cylinder stretch out more in the same direction as smooth.

Further, the shock pad is pasted to the shell body surface, the inside array of shock pad is provided with a plurality of gasbags.

Through adopting above-mentioned technical scheme, the shock pad can cushion outside friction of colliding with, guarantees inner structure's stability.

Further, the fixed bolster includes gear bracket and initiative support, gear bracket is fixed first transmission tooth with the worm wheel, first transmission tooth with the worm wheel center runs through the design and has the fixed axle, be provided with half groove in the box, it is corresponding be provided with on the lid and accept the seat, the fixed axle with it all is provided with the strengthening rib to accept the seat lateral wall.

Through adopting above-mentioned technical scheme, under the effect of fixed bolster, can realize the even running of transmission structure, the strengthening rib makes the support more firm, improves the bulk strength of support.

Further, the initiative support is including fixing joint portion in the box and fixing the butt portion in the lid, and joint portion includes first fastener, second fastener and bears the card, all be provided with the laminating on first fastener, second fastener and the bearing card the arcuation face on motor surface, butt portion also sets up for the cambered surface.

Through adopting above-mentioned technical scheme, joint portion and butt portion laminating motor set up, simple structure, the effect is obvious.

Further, the driving support further comprises an adsorption part, the adsorption part is electrically connected with the circuit board, the adsorption layer is wrapped on the outer side of the motor and is designed in a double-layer mode, and the adsorption layer is made of insulating materials.

Through adopting above-mentioned technical scheme, the box inboard is pressed close to more to the motor to the cooperation of adsorption part and adsorbed layer to fix the motor, avoid it to receive the influence of vibrations, adsorption part is connected with the circuit board electricity, makes the adsorption function only start at the motor during operation, and the adsorbed layer is inside to be insulating material, thereby avoids its influence motor work.

To sum up, the utility model discloses technical scheme has following advantage:

1. the utility model provides an anti-interference motor of adjusting luminance can accomplish the regulation to car light height and angle, and drive assembly simple structure, convenient to use, protective assembly can improve the interference killing feature of this motor of adjusting luminance, guarantees its structural quality's stability.

2. The utility model provides an anti-interference dimming motor, the existence of rubber ring makes the transmission guide cylinder keep sealed with the box junction, makes the flexible of transmission guide cylinder more smooth simultaneously; the shock pad increases the protection for whole shell body.

3. The utility model provides an anti-interference motor of adjusting luminance, the cooperation of adsorption part and adsorbed layer can reduce the influence of motor self vibrations at the fixed motor of motor during operation, and the adsorbed layer is inside to be insulating material to avoid it to influence motor work.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic overall structural diagram of an anti-interference dimming motor according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a dimming motor according to an embodiment of the present invention;

FIG. 3 is a schematic view of a partial structure of a driving assembly according to an embodiment of the present invention

Fig. 4 is a schematic partial structure diagram of a rubber ring according to an embodiment of the present invention;

fig. 5 is a schematic partial structural view of an active stent according to an embodiment of the present invention.

Description of reference numerals:

1. an outer housing; 11. a box body; 111. buckling; 112. a shaft outlet hole; 12. a cover body; 121. a card slot; 122. A rear cover; 1221. a sliding cavity; 123. a connecting cavity; 2. a drive assembly; 21. a motor; 22. a transmission structure; 221. a worm; 222. a worm gear; 223. a first drive tooth; 2231. a fixed shaft; 224. a second gear; 2241. a transmission cylinder; 23. an electronic component; 231. a circuit board; 232. a potentiometer; 233. a plug-in unit; 24. adjusting the optical axis; 241. a ball head; 242. a transmission guide cylinder; 3. a guard assembly; 31. a shock-absorbing member; 311. a rubber ring; 3111. a frustum; 3112. a diversion trench; 3113. lubricating the balls; 312. a shock pad; 32. fixing a bracket; 321. a gear bracket; 3211. a half-position groove; 3212. a bearing seat; 3213. reinforcing ribs; 322. an active support; 3221. a clamping part; 32211. a first clip member; 32212. a second clip member; 32213. a load-bearing card; 3222. an abutting portion; 3223. an adsorption part; 32231. and an adsorption layer.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and examples, it being understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

An anti-interference dimming motor is shown in fig. 1, wherein a box body 11 and a cover body 12 are clamped with each other, a plurality of buckles 111 are arranged on the peripheral wall of the box body 11, the side surface of each buckle 111 is an inclined surface, a clamping groove 121 matched with the buckle 111 is arranged on the cover body 12, the cover body 12 is buckled with the box body 11 along the inclined surface of the buckle 111, and after clamping is completed, the buckle 111 is completely accommodated in the clamping groove 121.

As shown in fig. 1 and fig. 2, the dimming shaft 24 sets up perpendicularly with box 11 and stretches out outside box 11, the corresponding dimming shaft 24 department joint of lid 12 has back lid 122, it slides chamber 1221 to have seted up in the back lid 122, dimming shaft 24 keeps away from one side fixed bulb 241 that slides chamber 1221, it defines dimming shaft 24 and slides linearly in sliding chamber 1221 to set up in the back lid 122 to slide chamber 1221, guarantee dimming shaft 24's slip effect, back lid 122 convenient to detach of joint simultaneously, be convenient for observe dimming shaft 24's state, in time change operations such as maintenance.

As shown in fig. 1 and 2, a driving assembly 2 and a protection assembly 3 are installed in an outer casing 1, the protection assembly 3 includes a protective coating, a shock absorbing component 31 and a fixing support 32, the protective coating is a metal shielding layer, the shock absorbing component 31 includes a rubber ring 311 and a shock absorbing pad 312, the rubber ring 311 is disposed at an axle outlet hole 112, the shock absorbing pad 312 is adhered to the outer surfaces of a casing 11 and a cover 12, the shock absorbing pad 312 is provided in plurality according to the size of the whole device, a plurality of air bags are arranged in the shock absorbing pad 312 in an array manner, and the fixing support 32 fixes a motor 21 and a part of a transmission structure 22.

As shown in fig. 1 and fig. 2, the driving assembly 2 includes a motor 21, a transmission structure 22, an electronic component 23 and a dimming shaft 24, the electronic component 23 is electrically connected to the motor 21, the motor 21 drives the dimming shaft 24 to perform a telescopic motion through the transmission structure 22, the sub-component includes a circuit board 231, a potentiometer 232 and a connector 233, the potentiometer 232 is vertically and fixedly mounted on the circuit board 231, one end of the connector 233 is fixed on the circuit board 231, and the other end of the connector 233 penetrates through the connection cavity 123, the driving assembly 2 can complete the adjustment of the height and the angle of the vehicle lamp, the motor 21 is controlled to move by an input voltage so as to drive the transmission structure 22 to move, the transmission structure 22 controls the dimming shaft 24 to extend and retract, the focus is adjusted by the dimming shaft 24, the balancing voltage inside the motor is consistent with the input voltage by the potential plate, the adjustment process is completed, and finally the operation of the motor 21 is stopped.

As shown in fig. 2 and fig. 3, the transmission structure 22 includes a worm 221 sleeved on a transmission shaft of the motor 21, a worm wheel 222 meshed with the worm 221, a first transmission tooth 223 coaxially separated from the worm wheel 222 and arranged to be coaxial with the worm wheel 222, and a second transmission tooth 224 meshed with the first transmission tooth 223, the second transmission tooth 224 extends axially to form a transmission cylinder 2241, the inner wall of the transmission cylinder 2241 is provided with a thread, a transmission guide cylinder 242 is sleeved on the light adjusting shaft 24, the outer wall of the transmission guide cylinder 242 is provided with a thread matched with the transmission cylinder 2241, the motor 21 drives the worm 221 to rotate, the worm 221 drives the worm wheel 222, because the worm wheel 222 and the first transmission tooth 223 are coaxially arranged, the first transmission tooth 223 rotates, so that the second transmission tooth 224 meshed with the first transmission tooth 223 also rotates, the rotation of the second transmission tooth causes the transmission cylinder 2241 to rotate therewith, and then the transmission guide cylinder 242 screwed with the transmission cylinder 2241 rotates in or out, the final transmission guide cylinder 242 drives the dimming shaft 24 to stretch out and draw back, and the motor 21 and the cooperation of worm gear and driving gear realize rotating the telescopic change of dimming shaft 24 by the motor 21 to reach the purpose of controlling the dimming shaft 24, the setting of transmission cylinder 2241 and transmission guide cylinder 242 avoids the direct drive dimming shaft 24, thereby guarantees the integrality of dimming shaft 24, ensures its structural strength.

As shown in fig. 3 and 4, rubber ring 311 is sleeved on transmission guide cylinder 242, both sides of rubber ring 311 in the axial direction are provided with frustum 3111, and frustum 3111 near one side of ball head 241 has been provided with guiding gutter 3112, guiding gutter 3112 is arranged in the circumference and is annular, this embodiment is provided with two rings of guiding gutter 3112, the inner wall of rubber ring 311 is provided with a plurality of lubricating balls 3113 along the circumferential array, the existence of rubber ring 311 makes the connection between transmission guide cylinder 242 and box 11 keep sealed, guiding gutter 3112 reduces the inside that steam enters transmission structure 22, guarantee the aridity of internal working environment, lubricating ball 3113 reduces the frictional force when transmission guide cylinder 242 stretches out and draws back.

As shown in fig. 2 and 5, the fixing bracket 32 includes a gear bracket 321 and an active bracket 322, the gear bracket 321 fixes a part of the transmission structure 22, the active bracket 322 includes a clamping portion 3221 fixed in the case 11 and an abutting portion 3222 fixed in the cover 12, and under the action of the fixing bracket 32, the smooth operation of the transmission structure 22 can be realized.

As shown in fig. 2 and 3, a fixing shaft 2231 is designed through the center of the first transmission gear 223 and the worm wheel 222, a half-slot 3211 is arranged in the box body 11, a bearing seat 3212 is fixed in the corresponding cover body 12, reinforcing ribs 3213 are arranged on the side walls of the fixing shaft 2231 and the bearing seat 3212, the reinforcing ribs 3213 make the bracket more firm, the overall strength of the bracket is improved, one end of the fixing shaft 2231 is fixed in the half-slot 3211, the other end of the fixing shaft 223is fixed in the bearing seat 3212, the fixing shaft 2231 is clamped by the half-slot 3211 and the bearing seat 3212, the degree of freedom is limited, and then the positions of the first transmission gear 223 and the worm wheel 222 are determined.

As shown in fig. 2 and 5, the clamping portion 3221 includes a first clamping piece 32211, a carrying clamp 32213, and a second clamping piece 32212, which are sequentially disposed, each of the first clamping piece 32211, the second clamping piece 32212, and the carrying clamp 32213 is provided with an arc surface attached to the surface of the motor 21, the abutting portion 3222 is also provided with an arc surface, and the clamping portion 3221 and the abutting portion 3222 are attached to the motor 21, which is simple in structure and obvious in effect. The driving support 322 further includes an adsorption portion 3223, the adsorption portion 3223 is electrically connected to the circuit board 231, an abdicating slot for the carrying card 32213 to pass through is formed in the middle of the adsorption portion 3223, the adsorption layer 32231 is wrapped on the outer side of the motor 21, the adsorption layer 32231 is of a double-layer design, the adsorption layer 32231 is internally made of an insulating material, after the motor 21 is started, the adsorption portion 3223 is powered on to generate magnetic force to adsorb the outer surface of the adsorption layer 32231, so that the motor 21 is closer to the inner side of the box body 11, thereby fixing the motor 21, reducing the influence of the vibration of the motor 21, the adsorption layer 32231 is internally made of an insulating material, and reducing the influence of adsorption fixation on the normal work of the motor 21.

The working principle and the using method of the anti-interference dimming motor are as follows: when the electric vehicle lamp works, the motor 21 is started by input voltage, the fixed motor 21 is started by the adsorption part 3223, the transmission structure 22 is controlled to drive the dimming shaft 24 to stretch, the ball head 241 is connected with the vehicle lamp through a ball hinge, the purpose of adjusting the height and the angle of the vehicle lamp is achieved, the potential plate stops the motor 21 after the balance voltage in the motor is consistent with the input voltage, and dimming is completed.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims (9)

1. A tamper resistant dimmer motor, comprising:

the protective device comprises an outer shell (1), wherein the outer shell (1) comprises a box body (11) and a cover body (12) which are clamped with each other, a driving assembly (2) and a protective assembly (3) are arranged in the outer shell (1), a buckle (111) is arranged on the peripheral wall of the box body (11), a clamping groove (121) matched with the buckle (111) is arranged on the cover body (12), and a connecting cavity (123) is also arranged on the cover body (12);

the driving assembly (2), the driving assembly (2) includes a motor (21), a transmission structure (22), an electronic element (23) and a dimming shaft (24), the motor (21) drives the dimming shaft (24) to perform telescopic motion through the transmission structure (22), the dimming shaft (24) is perpendicular to the box body (11) and extends out of the box body (11), the electronic element (23) is electrically connected with the motor (21), the electronic element (23) includes a circuit board (231), a potentiometer (232) and a connector clip (233), the potentiometer (232) is fixedly installed on the circuit board (231), one end of the connector clip (233) is fixed on the circuit board (231), and the other end of the connector clip passes through the connecting cavity (123);

the protection component (3), the protection component (3) includes protective coating, shock-absorbing component (31) and fixed bolster (32), and the protective coating the internal surface of shell body (1), shock-absorbing component (31) are including rubber ring (311) and shock pad (312), fixed bolster (32) are fixed motor (21) and part drive structure (22).

2. The anti-jamming dimming motor according to claim 1, wherein a rear cover (122) is clamped at a position of the cover body (12) corresponding to the dimming axis (24), a sliding cavity (1221) is formed in the rear cover (122), and a ball head (241) is arranged on one side of the dimming axis (24) far away from the sliding cavity (1221).

3. The anti-jamming dimming motor according to claim 2, wherein the transmission structure (22) comprises a worm (221) sleeved on a transmission shaft of the motor (21), a worm wheel (222) meshed with the worm (221), a first transmission tooth (223) formed integrally with the worm wheel (222) and coaxially arranged in a deviating manner, and a second transmission tooth (224) meshed with the first transmission tooth (223).

4. The anti-jamming dimming motor according to claim 3, wherein the second transmission gear (224) is axially extended with a transmission cylinder (2241), the inner wall of the transmission cylinder (2241) is provided with threads, the dimming shaft (24) is sleeved with a transmission guide cylinder (242), and the outer wall of the transmission guide cylinder (242) is provided with threads matched with the transmission cylinder (2241).

5. The anti-interference dimming motor according to claim 4, wherein an axle outlet hole (112) for the transmission guide cylinder (242) to extend out is formed in the box body (11), a rubber ring (311) is arranged at the axle outlet hole (112), frustums (3111) are arranged on both axial sides of the rubber ring (311), a guide groove (3112) is arranged on the frustum (3111) close to one side of the ball head (241), and a lubricating ball (3113) is embedded in the inner side wall of the rubber ring (311).

6. A tamper resistant dimmer motor as claimed in claim 5, wherein said shock pad (312) is affixed to the surface of said outer housing (1), said shock pad (312) having a plurality of air cells disposed in an array within said shock pad.

7. The anti-interference dimming motor according to claim 6, wherein the fixing bracket (32) comprises a gear bracket (321) and a driving bracket (322), the gear bracket (321) fixes the first transmission gear (223) and the worm gear (222), a fixing shaft (2231) is designed in the center of the first transmission gear (223) and the center of the worm gear (222) in a penetrating manner, a half-position groove (3211) is arranged in the box body (11), a bearing seat (3212) is arranged on the corresponding cover body (12), and reinforcing ribs (3213) are arranged on the side walls of the fixing shaft (2231) and the bearing seat (3212).

8. The anti-interference dimming motor according to claim 7, wherein the active bracket (322) includes a clamping portion (3221) fixed in the case (11) and an abutting portion (3222) fixed in the cover body (12), the clamping portion (3221) includes a first clamping piece (32211), a second clamping piece (32212) and a bearing card (32213), the first clamping piece (32211), the second clamping piece (32212) and the bearing card (32213) are respectively provided with an arc surface abutting against the surface of the motor (21), and the abutting portion (3222) is also provided with an arc surface.

9. The anti-interference dimming motor according to claim 8, wherein the active bracket (322) further includes an absorption portion (3223), the absorption portion (3223) is electrically connected to the circuit board (231), an absorption layer (32231) is wrapped outside the motor (21), the absorption layer (32231) is of a double-layer design, and an insulating material is disposed inside the absorption layer (32231).

Images