CN214154278U

CN214154278U - Light modulation motor

Info

Publication number: CN214154278U
Application number: CN202120113806.7U
Authority: CN
Inventors: 卞卫华
Original assignee: Nantong Heshuo Electronic Co ltd
Current assignee: Nantong Heshuo Electronic Co ltd
Priority date: 2021-01-16
Filing date: 2021-01-16
Publication date: 2021-09-07
Anticipated expiration: 2031-01-16

Abstract

The utility model relates to a key spare part technical field of car, concretely relates to motor of adjusting luminance, the technical problem who aims at solving lies in overcoming the stable defect of circuit connection among the prior art, mainly can realize through following technical scheme: a dimming motor comprising: the shell comprises an upper shell and a lower shell which are mutually clamped, the dimming axis is perpendicular to the lower shell and extends out of the lower shell, a transmission assembly, a motor and a circuit board are fixed in the shell, the circuit board is clamped and fixed in the lower shell, the circuit board is electrically connected with the motor through a connecting piece, and the plug connector is electrically connected with the circuit board; the connecting piece, the connecting piece includes first connecting seat and second connecting seat, and first connecting seat vertical fixation is on the circuit board and is connected fixedly with the motor, and the second connecting seat is fixed on last casing and is connected fixedly with the plug connector, slows down the influence that the vehicle jolted to the circuit production through the connecting piece to guarantee circuit connection's stability.

Description

Light modulation motor

Technical Field

The utility model relates to a key spare part technical field of car, concretely relates to 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 taken as one part of the automobile headlamp. The dimming motor generally includes a housing and a motor, a circuit board, a gear train and a ball stud disposed inside the housing. The dimming principle of the dimming motor is that the gear transmission mechanism is driven to rotate through the motor, the large gear meshed with the gear transmission mechanism is connected to the ball head column in a threaded mode, and the large gear is easily driven to rotate through the gear transmission mechanism, so that the ball head column is easily pushed to stretch. The reflecting surface of the headlamp is driven to move back and forth by the extension of the ball head column, and the height of the focal length of the reflected light is adjusted, so that the aim of improving the lighting effect of the automobile headlamp is fulfilled.

In the prior art, because of the assembly relationship of the car lamp dimming motor, a wiring terminal of a connector of the car lamp dimming motor cannot be directly welded on a circuit board of the motor, and generally, the car lamp dimming motor is welded by a lead or connected by a spring plate; the reliability of wire welding is high, but the welding operation is inconvenient, and tin slag is easily generated during welding, and the tin slag is easily left or dropped in a product, so that the product generates a phenomenon of bad noise or abnormal actuation or even jamming; the shell fragment can produce the displacement because vibrations, and the position of contact with the circuit board can not accurate the definite, and there is the clearance shell fragment and motor hole spare simultaneously because vibrations, produces the point contact, leads to the circuit current increase, causes the harm to product normal use.

Therefore, the prior art needs to be improved, so that the dimming motor connecting mechanism can be ensured to be stable and smooth when the dimming motor vibrates in the driving process of the automobile.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the present invention is to overcome the stable defect of circuit connection in the prior art, thereby providing a dimming motor.

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

a dimming motor comprising:

the shell comprises an upper shell and a lower shell which are clamped with each other, a dimming axis is perpendicular to the lower shell and extends out of the lower shell, a transmission assembly, a motor and a circuit board are fixed in the shell, the circuit board is vertically clamped and fixed in the lower shell, the circuit board is electrically connected with the motor through a connecting piece, and a plug connector is electrically connected with the circuit board;

the connecting piece, the connecting piece includes first connecting seat and second connecting seat, first connecting seat with the motor joint sets up, first connecting seat vertical fixation is in on the circuit board, the second connecting seat with the plug connector is pegged graft, the second connecting seat is fixed in the upper casing.

By adopting the technical scheme, the connecting pieces are additionally arranged to fix the motor and the circuit board as well as the plug connector and the upper shell, so that the displacement caused by direct contact during vibration is avoided, and the contact position cannot be accurately positioned; the existence of the connecting piece also avoids point contact caused by vibration, which causes overlarge instantaneous current and reduces the damage to products. The influence of vehicle bumping on the circuit is reduced through the connecting piece, so that the stability of circuit connection is ensured.

Furthermore, the first connecting seat is provided with two along the height direction of the circuit board, the first connecting seat comprises a fixed seat and an elastic sheet, the fixed seat is fixed on the circuit board, and the elastic sheet is L-shaped and is partially fixed in the fixed seat.

Through adopting above-mentioned technical scheme, the fixing base corresponds with the terminal of motor, and the shell fragment is fixed in the fixing base, and the terminal of motor can follow the shell fragment card and go into the fixing base, plays the effect of spacing direction to the motor terminal.

Furthermore, still fixedly connected with plectrum on the shell fragment, the plectrum with the shell fragment is integrative to be set up, set up the holding tank in the fixing base, plectrum and partial shell fragment setting are in the holding tank.

Through adopting above-mentioned technical scheme, the plectrum supports tightly with the terminal of motor, plays the effect of chucking on the one hand, and on the other hand can be connected with the terminal electricity of motor, guarantees the intercommunication of circuit, and the holding tank is all fixed including with the terminal of motor and plectrum.

Furthermore, the shifting piece is provided with a propping part and a boosting part, the propping part is arranged at one end far away from the motor in an arc-shaped bulge, and the boosting part is a ball and is embedded in the shifting piece.

Through adopting above-mentioned technical scheme, support tight portion increase with the contact surface and the contact dynamics of the terminal of motor, guarantee the terminal of motor and the fixed stability of plectrum contact, the terminal of the motor of being convenient for of boosting portion inserts and the roll-off.

Furthermore, a plug hole is formed in the circuit board, one end of the plug connector is inserted into the plug hole, the plug hole is a strip-shaped hole, and flexible conductive materials are filled in the inner side wall of the plug hole.

Through adopting above-mentioned technical scheme, the existence of spliced eye is used for being connected with the plug connector, and the flexible conducting material of packing can still wrap up fixed plug connector when the vehicle jolts and shakes.

Furthermore, the second connecting seat comprises an inserting part and a clamping block, an inserting cavity corresponding to the inserting component is formed in the inserting part, and the clamping block is arranged in the inserting cavity in pairs.

Through adopting above-mentioned technical scheme, the plug connector gets into grafting portion after, the joint piece chucking contact pin that sets up in pairs to make the plug power reinforcing of contact pin, avoid in the use because the contact pin is not hard up when vibrations or collision, the joint piece adopts insulating material setting, also avoids arousing the condition that electric arc produced the spark.

Further, the joint piece sets up grafting chamber lateral wall, joint piece bottom is the design of transition circular arc, the confession has been seted up in the grafting intracavity the spout that the joint piece slided.

Through adopting above-mentioned technical scheme, the circular arc design of joint piece bottom can make the contact pin get into more smoothly convenient, also plays the effect of direction simultaneously. The contact pin gets into back and pushes the joint piece with the tendency, promotes the joint piece to keeping away from the direction of contact pin and slides, and the spout can guarantee that the direction that the joint piece slided is linear.

Furthermore, the joint piece with still be fixed with tension spring between the grafting chamber, tension spring is provided with a plurality ofly, tension spring one end embedding in the joint piece, the other end is fixed in the spout.

Through adopting above-mentioned technical scheme, increase tension spring because tension spring's elastic deformation to after the contact pin got into completely, tension spring's reaction force made joint piece chucking contact pin, played the effect of stable connection.

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

1. the utility model provides a motor of adjusting luminance guarantees the stability that motor and circuit board are connected through the connecting piece that increases, and the stability that the plug connector is connected, simple structure slows down the influence that the vehicle jolted to the circuit production through the connecting piece to guarantee circuit connection's stability.

2. The utility model provides a motor of adjusting luminance, the existence of shell fragment and plectrum makes the terminal area of contact increase of motor in the first connecting seat, also reduces because the point contact that vibrations displacement produced, avoids electric current too big in the twinkling of an eye, impairs whole circuit.

3. The utility model provides a motor of adjusting luminance, grafting portion and joint piece make the plug power reinforcing of contact pin, avoid the contact pin not hard up, also avoid arousing the condition that electric arc produced the spark.

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 view of an overall structure of a dimming motor according to an embodiment of the present invention;

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

fig. 3 is a cross-sectional view of a first connector provided in an embodiment of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is a sectional view of a second connecting seat provided in an embodiment of the present invention.

Description of reference numerals:

1. a housing; 11. an upper housing; 12. a lower housing; 2. a transmission assembly; 3. a motor; 4. a circuit board; 41. inserting holes; 5. adjusting the optical axis; 6. a plug-in unit; 61. inserting a pin; 7. a connecting member; 71. a first connecting seat; 711. a fixed seat; 7111. accommodating grooves; 712. a spring plate; 713. a shifting sheet; 7131. a tightening part; 7132. a boosting part; 72. a second connecting seat; 721. a plug-in part; 7211. an insertion cavity; 7212. a chute; 722. a clamping block; 723. a tension spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

A dimming motor is disclosed, as shown in fig. 1 and fig. 2, which comprises a shell 1, the shell 1 comprises an upper shell 11 and a lower shell 12 which are mutually clamped, a dimming shaft 5 is perpendicular to the lower shell 12 and extends out of the lower shell 12, a transmission assembly 2, a motor 3 and a circuit board 4 are fixed in the shell 1, the motor 3 drives the dimming shaft 5 to stretch through the transmission assembly 2, so as to achieve the purpose of adjusting the height and the angle of an automobile headlamp, the circuit board 4 is vertically clamped and fixed in the lower shell 12, the circuit board 4 is electrically connected with the motor 3 through a connecting piece 7, the connecting piece 6 is electrically connected with the circuit board 4, the connecting piece 7 comprises a first connecting seat 71 and a second connecting seat 72, the first connecting seat 71 is clamped and arranged with the motor 3, the first connecting seat 71 is vertically fixed on the circuit board 4, the second connecting seat 72 is inserted and connected with the connecting piece 6, the second connecting seat 72 is fixed in the upper shell 11, and the connecting piece 7 is added to fix the motor 3 and the circuit board 4, The plug connector 6 and the upper shell 11 avoid displacement caused by direct contact during vibration and can not accurately position the contact position; the existence of the connecting piece 7 also avoids point contact caused by vibration, which causes overlarge instantaneous current and reduces the damage to products. Simple structure slows down the influence that the vehicle jolted to the circuit through connecting piece 7 to guarantee the stability of circuit connection.

As shown in fig. 3 and 4, two first connection seats 71 are disposed along the height direction of the circuit board 4 and are disposed in a matching manner with the terminals of the motor 3, each first connection seat 71 includes a fixed seat 711 and a spring plate 712, the fixed seat 711 is fixed on the circuit board 4, a receiving groove 7111 is further disposed in the fixed seat 711, the spring plate 712 is L-shaped and partially fixed in the receiving groove 7111, a pick 713 is further fixedly connected to the spring plate 712, the pick 713 is integrally disposed with the spring plate 712 and is in arc transition with the spring plate 712, the pick 713 is also disposed in the receiving groove 7111, the fixed seat 711 corresponds to the terminals of the motor 3, the spring plate 712 is fixed in the fixed seat 711, the terminals of the motor 3 can be clamped into the fixed seat 711 along the spring plate 712 to perform a limiting and guiding function on the terminals of the motor 3, the pick 713 is abutted to the terminals of the motor 3 to perform a clamping function on one hand, and can be electrically connected to the terminals of the motor 3 on the other hand, so as to ensure the communication of the circuit, the receiving groove 7111 fixes both the terminal of the motor 3 and the paddle 713 therein.

As shown in fig. 4, a pushing portion 7131 and a boosting portion 7132 are arranged on the paddle 713, the pushing portion 7131 is arranged at one end far away from the motor 3 in an arc-shaped protrusion manner, the boosting portion 7132 is a ball and is embedded in the paddle 713, the boosting portion 7132 is arranged in a plurality of numbers along the paddle 713, the pushing portion 7131 increases the contact surface and the contact force with the terminal of the motor 3, the contact and fixation stability of the terminal of the motor 3 and the paddle 713 is ensured, and the boosting portion 7132 facilitates the insertion and sliding out of the terminal of the motor 3.

As shown in fig. 2, a plug hole 41 is formed in the circuit board 4, the plug hole 41 is a strip-shaped hole, one end of the plug connector 6 is inserted into the plug hole 41, a flexible conductive material is filled in the inner side wall of the plug hole 41, the plug hole 41 is used for being connected with the plug connector 6, and the filled flexible conductive material can still wrap the fixed plug connector 6 when the vehicle jolts and shakes.

As shown in fig. 5, the second connecting seat 72 includes grafting portion 721 and joint piece 722, the grafting chamber 7211 that corresponds with plug connector 6 has been seted up in the grafting portion 721, joint piece 722 sets up the left and right sides in grafting chamber 7211 in pairs, joint piece 722 bottom is the design of transition circular arc, the transition circular arc makes contact pin 61 get into more smooth and easy convenience, also plays the effect of direction, still set up the spout 7212 that supplies joint piece 722 to slide in the grafting chamber 7211 simultaneously, the direction that the joint piece 722 was slided is injectd to spout 7212 is linear. A plurality of tension springs 723 are vertically arranged between the clamping block 722 and the plug-in cavity 7211, one end of each tension spring 723 is embedded into the clamping block 722, the other end of each tension spring 723 is fixed in the sliding groove 7212, the tension springs 723 are added, and due to elastic deformation of the tension springs 723, after the contact pins 61 completely enter, the reaction force of the tension springs 723 enables the clamping blocks 722 to clamp the contact pins 61, so that stable connection is achieved. After the plug connector 6 enters the inserting part 721, the clamping pieces 722 arranged in pairs clamp the contact pins 61, so that the inserting and pulling force of the contact pins 61 is enhanced, the contact pins 61 are prevented from loosening due to vibration or collision in the using process, the clamping pieces 722 are arranged by adopting an insulating material, and the condition that electric arcs generate sparks is also avoided.

The working principle and the using method of the dimming motor are as follows: when the motor works normally, the terminal of the motor 3 is clamped in the fixing seat 711, and the abutting part 7131 abuts against the terminal of the motor 3; the insertion pin 61 is inserted in the insertion cavity 7211, and the clamping block 722 tightly supports the insertion pin 61, so that the connection stability in normal operation is ensured. When the vehicle is in a bumpy state, the terminal of the motor 3 vibrates to generate displacement deviation, at the moment, the electronic terminal is reset due to the elastic force of the poking piece 713 and the elastic piece 712, meanwhile, the abutting part 7131 is always in contact with the terminal of the motor 3 in the process, point contact is reduced, and the phenomenon that the whole circuit is damaged due to overlarge instantaneous current is avoided; the contact pin 61 shakes and extrudes the clamping block 722, the clamping block 722 compresses the tension spring 723, and the tension spring 723 avoids the contact pin 61 from loosening due to the reaction force, so that the circuit connection stability is ensured.

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

1. A dimming motor, comprising:

the dimming device comprises a shell (1), wherein the shell (1) comprises an upper shell (11) and a lower shell (12) which are mutually clamped, a dimming shaft (5) is perpendicular to the lower shell (12) and extends out of the lower shell (12), a transmission assembly (2), a motor (3) and a circuit board (4) are fixed in the shell (1), the circuit board (4) is vertically clamped and fixed in the lower shell (12), the circuit board (4) is electrically connected with the motor (3) through a connecting piece (7), and a plug connector (6) is electrically connected with the circuit board (4);

connecting piece (7), connecting piece (7) include first connecting seat (71) and second connecting seat (72), first connecting seat (71) with motor (3) joint sets up, first connecting seat (71) vertical fixation is in on circuit board (4), second connecting seat (72) with plug connector (6) are pegged graft, second connecting seat (72) are fixed go up in casing (11).

2. A dimming motor according to claim 1, wherein two first connection seats (71) are arranged along the height direction of the circuit board (4), the first connection seat (71) comprises a fixed seat (711) and a spring plate (712), the fixed seat (711) is fixed on the circuit board (4), and the spring plate (712) is L-shaped and is partially fixed in the fixed seat (711).

3. A dimming motor as claimed in claim 2, wherein the spring plate (712) is further fixedly connected with a shifting piece (713), the shifting piece (713) and the spring plate (712) are integrally disposed, an accommodating groove (7111) is formed in the fixing seat (711), and the shifting piece (713) and a part of the spring plate (712) are disposed in the accommodating groove (7111).

4. A dimming motor according to claim 3, wherein the shifting piece (713) comprises a pressing portion (7131) and a boosting portion (7132), the pressing portion (7131) is an arc-shaped protrusion and is arranged at one end far away from the motor (3), and the boosting portion (7132) is a ball and is embedded in the shifting piece (713).

5. A dimming motor as claimed in claim 1, wherein the circuit board (4) is provided with an insertion hole (41), one end of the insertion member (6) is inserted into the insertion hole (41), the insertion hole (41) is a strip-shaped hole, and the inner side wall of the insertion hole (41) is filled with a flexible conductive material.

6. A dimming motor according to claim 5, wherein the second connecting seat (72) comprises a plug part (721) and clamping blocks (722), a plug cavity (7211) corresponding to the plug part (6) is formed in the plug part (721), and the clamping blocks (722) are arranged in the plug cavity (7211) in pairs.

7. A dimming motor according to claim 6, wherein the clamping block (722) is arranged on the side wall of the insertion cavity (7211), the bottom of the clamping block (722) is designed to be a transition arc, and a sliding groove (7212) for the sliding of the clamping block (722) is formed in the insertion cavity (7211).

8. A dimming motor according to claim 7, wherein a tension spring (723) is further fixed between the clamping block (722) and the plug cavity (7211), the tension spring (723) is provided in a plurality, one end of the tension spring (723) is embedded in the clamping block (722), and the other end of the tension spring (723) is fixed in the sliding groove (7212).