CN211075700U - Electric-tuning car lamp adjusting device - Google Patents

Abstract

The utility model relates to an electricity accent car light adjusting device, including the casing, accommodate in the motor in the casing, be used for driving the PCB module of motor, carry out the gear reduction mechanism of speed reduction output to the motor, receive the gear reduction mechanism drive and the flexible movable shaft of stretching out and drawing back, the movable shaft stretches out from the casing, the axis of rotation of motor is perpendicular with the movable shaft, the PCB of PCB module is located one side of motor and parallel with the movable shaft; one gear of the gear reduction mechanism is coplanar with the rotating shaft and parallel to the movable shaft. The utility model discloses can reduce car light adjusting device's overall dimension, especially the size of movable shaft direction.

Description

Electric-tuning car lamp adjusting device

[ technical field ] A method for producing a semiconductor device

The utility model relates to a field is adjusted to the car light, specifically relates to an electricity is transferred car light adjusting device.

[ background of the invention ]

The conventional electrically-controlled car light adjusting device generally comprises a shell, a motor accommodated in the shell, a PCB accommodated in the shell, a circuit arranged on the PCB and used for controlling the motor, a gear reduction mechanism accommodated in the shell and used for performing speed reduction output on the motor, and a movable shaft driven by the gear reduction mechanism to stretch out and draw back. In reality, the customer desires the vehicle lamp adjusting device to have as small a size as possible, and particularly, to have as small a size in the axial direction of the movable shaft as possible. In practice, in order to ensure that the adjusting device has sufficient output power and response speed, the overall dimension of the vehicle lamp adjusting device is relatively large, and a large space is occupied.

[ Utility model ] content

One object of the utility model is to reduce the overall dimension of car light adjusting device, especially movable shaft axial's size.

The utility model provides a pair of electricity accent car light adjusting device, including the casing, accommodate in the motor in the casing, be used for driving the PCB module of motor, carry out the gear reduction mechanism of speed reduction output to the motor, receive the flexible movable shaft of gear reduction mechanism drive, the movable shaft stretches out from the casing, the axis of rotation of motor is perpendicular with the movable shaft, the PCB of PCB module is located one side of motor and parallel with the movable shaft; the axis of rotation of one gear of the gear reduction mechanism is perpendicular to the axis of rotation and parallel to the movable shaft.

Further, the shell comprises a front shell and a rear cover, one side of the front shell is provided with an opening, and the rear cover is buckled at the opening of the front shell; the motor, the gear reduction mechanism, the PCB module and the movable shaft are installed in the front shell, the PCB is perpendicular to the bottom wall of the front shell, the first end of the movable shaft extends out of the bottom wall of the front shell, the second end of the movable shaft is driven by the gear reduction mechanism, and the movable shaft can axially move relative to the shell under the driving of the gear reduction mechanism.

Further, the front case includes a main body portion and a protruding portion formed outside a bottom wall of the main body portion, the motor, the gear reduction mechanism and the PCB module are installed in the main body portion, the movable shaft is installed in the protruding portion, and a first end of the movable shaft protrudes from an end portion of the protruding portion.

Furthermore, the gear reduction mechanism comprises a duplicate gear and an output gear, a large gear of the duplicate gear is meshed with a motor gear at the output end of the rotating shaft, a small gear of the duplicate gear is meshed with the output gear, the duplicate gear is located on one side of the motor gear far away from the PCB, and a rotating axis of the duplicate gear is perpendicular to the rotating shaft and parallel to the movable shaft.

Further, the motor comprises a motor casing, and the output end of the rotating shaft extends out of the motor casing; the double gear does not overlap with the motor case in an axial direction of the movable shaft.

Further, the output gear is formed with a mounting member projecting into the projecting portion, the mounting member having an internal thread, and the second end of the movable shaft having an external thread engaged with the internal thread, so that the movable shaft is driven by the gear reduction mechanism.

Furthermore, the inner wall of the extension part is provided with a limiting part, and the outer wall of the mounting part is provided with a limiting groove matched with the limiting part.

Further, keeping away from of pinion the one end of gear wheel has the installation axle, the installation axle rotationally installs the diapire of preceding shell, keeping away from of gear wheel the one end of pinion has the mounting hole, the diapire of back lid is equipped with the support column, the support column stretches into be used for providing the rotation support to the gear wheel in the mounting hole.

Furthermore, a support piece is installed on one surface of the PCB close to the motor, and the support piece is close to the output end of the rotating shaft; the utility model discloses a motor, including support piece, preceding shell, connecting piece, potentiometer, connecting piece, PCB, connecting piece, the support piece is last to be equipped with the potentiometer of being connected with the PCB electricity, the potentiometer can be followed and is close to or keep away from the open-ended direction of preceding shell slides, the second end tip of movable shaft is formed with the connecting piece, the connecting piece is connected to the potentiometer, the potentiometer can follow the movable shaft is in slide on the support piece, and the potentiometer is in slide on the support piece to when extreme position to PCB output stop signal is in order to pass through PCB.

Further, a connector is mounted on one side of the PCB close to the motor, and the connector extends out of the bottom wall of the front shell.

The utility model discloses a set up the axis of rotation of motor into perpendicular with the movable shaft, set up PCB in one side of motor and parallel with the movable shaft, set up a gear of gear reduction mechanism into with the axis of rotation coplane and parallel with the movable shaft to can reduce the size of movable shaft direction, thereby reduced car light adjusting device's overall dimension.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of an adjusting device for an electric tilt vehicle lamp according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of the electric tilt vehicle lamp adjusting device shown in FIG. 1 with a rear cover removed;

FIG. 3 is an exploded schematic view of the electric tilt vehicle light adjustment device shown in FIG. 1;

FIG. 4 is a schematic cross-sectional view of the electric tilt vehicle light adjusting device shown in FIG. 1;

FIG. 5 is an enlarged schematic view of FIG. 4 at A;

FIG. 6 is a schematic structural diagram of the interior of a front housing of the electric tilt vehicle light adjusting device shown in FIG. 1;

FIG. 7 is a schematic structural diagram of a motor and a PCB module of the electric tilt vehicle lamp adjusting device shown in FIG. 1;

fig. 8 is a schematic structural diagram of a ground pin of the electric tilt vehicle lamp adjusting device shown in fig. 7;

FIG. 9 is a schematic structural diagram of an output gear of the electric tilt vehicle light adjusting device shown in FIG. 1;

FIG. 10 is a schematic structural diagram of a duplicate gear of the electric tilt vehicle light adjusting device shown in FIG. 1;

fig. 11 is a schematic structural diagram of the interior of a rear cover of the electric tilt vehicle lamp adjusting device shown in fig. 1;

FIG. 12 is an enlarged schematic view at B of FIG. 11;

FIG. 13 is a schematic cross-sectional view of a rear cover and a duplicate gear of the electric tilt vehicle light adjusting device shown in FIG. 1;

[ detailed description ] embodiments

The invention is further described with reference to the following figures and examples.

Referring to fig. 1 and fig. 2, the present invention provides an electric tilt lamp adjusting device 100 for being installed in a lamp housing (not shown in the drawings). The electric-tuning vehicle lamp adjusting device 100 includes a housing 10 for being mounted to a vehicle lamp housing, a motor 20 accommodated in the housing 10, a PCB module for driving the motor 20, a gear reduction mechanism 30 for performing a reduction output to the motor 20, and a movable shaft 50 driven by the gear reduction mechanism 30 to extend and retract. The PCB module includes a PCB40 and circuits, components, and the like arranged on the PCB 40. The movable shaft 50 extends from the housing 10 for connection with a lamp reflector (not shown), and the movable shaft 50 is driven by the gear reduction mechanism 30 to perform axial movement (i.e., axial movement of the movable shaft 50) relative to the housing 10, so that the lamp reflector can be moved forward or backward integrally or partially to achieve reflection adjustment effects, such as adjustment of the illumination height, illumination range, and the like of the lamp.

Referring to fig. 2 to 5, in particular, the housing 10 includes a front case 11 and a rear cover 12. One side of the front case 11 is opened, and the rear cover 12 is fastened to the opening 111 of the front case. The motor 20, the gear reduction mechanism 30, the PCB module, and the movable shaft 50 are installed in the front case 11. The rotating shaft 21 of the motor 20 is perpendicular to the movable shaft 50. The PCB40 is perpendicular to the bottom wall of the front case 11, and the PCB40 is positioned at one side of the motor 20 and parallel to the movable shaft 50. The rotation axis of the double gear 31 of the gear reduction mechanism 30 is perpendicular to the rotation shaft 21 and parallel to the movable shaft 50. A first end 501 of the movable shaft 50 is spherical (see fig. 1), the first end 501 protrudes from the bottom wall of the front housing 11 for connection with the lamp reflector, a second end 502 of the movable shaft 50 is driven by the screw thread of the gear reduction mechanism 30, and the movable shaft 50 is driven by the gear reduction mechanism 30 to axially move relative to the housing 10 under the condition that the housing 10 restricts the rotation thereof. Through this kind of structure, can reduce the axial size of movable shaft 50, and then reduced the overall dimension of electric accent car light adjusting device 100, occupation space is few.

Preferably, the front case 11 includes a main body 112 and a protruding portion 113, the protruding portion 113 is formed outside a bottom wall of the main body 112, the motor 20, the gear reduction mechanism 30 and the PCB module are mounted in the main body 112, the movable shaft 50 is mounted in the protruding portion 113, and a first end 501 of the movable shaft 50 protrudes from an end of the protruding portion 113.

A support 41 is mounted to a side of the PCB40 adjacent to the motor 20. The support 41 is near the output end of the rotating shaft 21. The support member 41 is provided with a potentiometer 42 electrically connected to the PCB40, the potentiometer 42 is slidable in a direction approaching to or separating from the opening 111 of the front case 11, and preferably, the support member 41 is provided with a slide slot 411, an axial direction of the slide slot 411 is parallel to an axial direction of the movable shaft 50, and the potentiometer 42 is slidable in the slide slot 411. The second end 502 of the movable shaft 50 is formed with a connector 52 at an end thereof, the connector 52 is connected to the potentiometer 42, the potentiometer 42 is slidable on the support 41 along with the movable shaft 50 by the connector 52, and the potentiometer 42 outputs a stop signal to the PCB40 to control the motor 20 to stop rotating through the PCB40 when sliding on the support 41 to an extreme position. The extreme positions of this embodiment are the positions at both ends of the slide slot 411. The end of the connector 52 is preferably formed with a clamping portion 521, and the clamping portion 521 is clamped to the potentiometer 42.

The side of the PCB adjacent to the motor 20 is provided with a connector 43, the connector 43 extends from the bottom wall of the front housing 11, as shown in fig. 1, and the connector 43 is used for electrically connecting with an external power source to supply power to the device.

The gear reduction mechanism 30 includes a double gear 31 and an output gear 32. The duplicate gear 31 is located on the side of the motor gear 21a away from the PCB40, which can further reduce the axial dimension of the movable shaft 50. The motor 20 includes a conductive motor case 20a, the motor case 20a has a first end 201 and a second end 202, the output end of the rotating shaft 21 protrudes from the first end 201 of the motor case 20a, and the duplicate gear 31 does not overlap with the motor case 20a in the axial direction of the movable shaft 50, which can further reduce the axial dimension of the movable shaft 50.

The duplicate gear 31 includes a large gear 311 and a small gear 312 that rotate coaxially. The large gear 311 is engaged with the motor gear 21a at the output end of the rotating shaft 21 for receiving an input of the motor 20. The pinion 312 meshes with the output gear 32. The output gear 32 is formed with a mounting member 321 that extends into the extension 113, and the output gear 32 and the mounting member 321 are preferably integrally formed. The mounting member 321 has internal threads 322 (see fig. 9), and the second end 502 of the movable shaft 50 has external threads 51 engaged with the internal threads 322, so that the movable shaft 50 is axially moved by the driving of the gear reduction mechanism 30.

The inner wall of the protruding portion 113 is formed with a stopper portion 114, and the outer wall of the mounting member 321 is formed with a stopper groove 323 (see fig. 4, 5, and 9) that cooperates with the stopper portion 114, for restricting the axial movement of the output gear 32. The plurality of limiting parts 114 are uniformly distributed along the circumference of the extending part 113. In this embodiment, the number of the limiting portions 114 is four, and the number of the limiting portions 114 can be set according to actual situations.

An annular wave spring 60 is provided between an end of the protruding portion 113 and an end of the mounting member 321, and the wave spring 60 is wound around the outer periphery of the movable shaft 50 to eliminate axial play of the output gear 32 caused when the movable shaft 50 axially moves with respect to the housing 10, thereby reducing operating noise of the device.

In this embodiment, a protruding ring 116 is provided at an end of the protruding portion 113 near the wave spring 60, the protruding ring 116 is fitted to the movable shaft 50, and the wave spring 60 is fitted to the protruding ring 116.

The end of the mounting member 321 is provided with an annular spacer 70, the spacer 70 is wound around the outer periphery of the movable shaft 50, the wave spring 60 is interposed between the end of the protruding portion 113 and the spacer 70, and the spacer 70 supports the wave spring 60. In this embodiment, the outer wall of the gasket 70 is formed with a plurality of projections 71, and the projections 71 abut against the inner wall of the protruding portion 113. At least one of the projections 71 has a protrusion 72 formed thereon, and the inner wall of the extension 113 has a groove (not shown) for engaging with the protrusion 72. With this structure, the spacer 70 can be limited. The number of the bumps 71 is four in this embodiment, and the number of the protrusions 72 is two. The number of the projections 71 and 72 can be set according to actual conditions.

Referring to fig. 6, a PCB mounting position 117a and a PCB stopper 117b are formed on inner walls of both ends of the main body 112 of the front case 11, and both ends of the PCB40 are mounted in the PCB mounting position 117a and at one side of the PCB stopper 117b, respectively, to define a mounting position of the PCB 40. The bottom wall of the main body 112 has an output gear mounting location 119a, and the output gear 32 is mounted in the output gear mounting location 119 a. Motor stoppers 118a are formed on the bottom wall of the body 112 at positions on both sides of the motor 20, and the motor 20 is held by the motor stoppers 118a on both sides. The second end 202 of the motor case 20a has a mounting portion 203 (see fig. 2 and 7) for mounting the mounting end of the rotating shaft 21, and the inner wall of one end of the main body portion 112 is formed with a fitting site 118b that fits in the mounting portion 203. The motor position limiter 118a and the assembly position 118b are used to limit the installation position of the motor 20.

Referring to fig. 2, fig. 3, fig. 7 and fig. 8, the electric tilt lamp adjusting device of the present invention further includes a grounding pin 80, the motor 20 is parallel to the PCB40, one end of the grounding pin 80 contacts with the motor housing 20a, and the other end is conductively connected to the grounding position (not shown in the figure) of the PCB40, so that the grounding of the motor 20 can be realized to prevent short circuit.

Preferably, the ground pin 80 is a plate-like structure. The ground pin 80 includes a first portion 81 and a second portion 82 connected to an end of the first portion 81, the first portion 81 is in contact with the motor case 20a, an end of the second portion 82 remote from the first portion 81 is formed with a ground socket 80a, and the ground socket 80a is socket-connected to a ground of the PCB 40. The ground mating part 80a is welded to the inner wall of the ground pad to electrically connect the ground pin 80 and the ground pad.

Preferably, an end of the first portion 81 remote from the second portion 82 has a protrusion 811, and the protrusion 811 contacts the motor case 20 a. The convex portion 811 is formed by bending one end of the first portion 81 away from the second portion 82 toward one surface of the first portion 81.

The first portion 81, the second portion 82, and the ground insertion part 80a are integrally formed.

Preferably, the first portion 81 resiliently abuts against the motor housing 20a to ensure contact with the motor housing 20 a. The first portion 81 and the second portion 82 form an included angle therebetween and are smoothly transited, so that the first portion 81 can elastically abut against the motor housing 20a, and the second portion 82 is perpendicular to the PCB 40.

The second end 202 of the motor casing 20a has a first electrode pin 22a and a second electrode pin 22b extending therefrom, the first electrode pin 22a and the second electrode pin 22b have opposite polarities, and the first electrode pin 22a and the second electrode pin 22b are respectively in conductive connection with a corresponding supply potential (not shown in the figure) of the PCB40, so as to supply power to the motor 20 through the PCB module.

Preferably, the first electrode pin 22a has a first mating part (not shown), the second electrode pin 22b has a second mating part 222, and the first and second mating parts 222 are respectively mated with corresponding power supply sites of the PCB 40.

Referring to fig. 10 to 13, the pinion 312 of the dual gear 31 has a mounting shaft 312a coaxially rotated, and the mounting shaft 312a is rotatably mounted to the bottom wall of the body portion 112 of the front case 11 (i.e., the first inner wall of the housing 10), preferably to the rotation mounting position 119b of the bottom wall of the body portion 112 (see fig. 6). The large gear 311 has a mounting hole 313, and the mounting hole 313 is coaxial with the mounting shaft 312 a. The bottom wall of the rear cover 12 (i.e. the second inner wall of the housing 10) is provided with a support post 121, and the support post 121 extends into the mounting hole 313 to provide a rotational support for the dual gear 31. The large gear 311, the small gear 312 and the mounting shaft 312a are integrally formed into a single piece for easy manufacture.

The large gear 311 is a helical gear to increase the driving strength, and the small gear 312 is a spur gear. It should be understood that the small gear 312 may be a bevel gear, or both the large gear 311 and the small gear 312 may be bevel gears.

The end surface of the support column 121 is provided with a plurality of abutting blocks 122 along the circumferential direction thereof, the abutting blocks 122 are in a shape with a small top and a large bottom, and the tops of the abutting blocks 122 are in contact with the bottoms of the mounting holes 313. The abutting block 122 is provided to eliminate a gap between the supporting post 121 and the bottom of the mounting hole 313, so that noise can be reduced without increasing a frictional force therebetween.

Preferably, the abutment block 122 has a triangular structure, and the top edge 122a of the triangular structure is in contact with the bottom of the mounting hole 313, so that the friction between the support column 121 and the bottom of the mounting hole 313 is not increased. In the present embodiment, the number of the abutment blocks 122 is four, and the number of the abutment blocks 122 may be set according to actual conditions.

The inner wall of the mounting hole 313 is provided with a plurality of convex strips 314 along the circumferential direction, and the plurality of convex strips 314 surround to form a space which is matched with the support column 121. The shape of the space is adapted to the shape of the support column 121. The arrangement of the convex strip 314 can reduce the contact area between the large gear 311 and the supporting column 121, thereby further reducing noise. In this embodiment, the number of the protruding strips 314 is four, and the number of the protruding strips 314 can be set according to actual situations.

The plurality of protruding strips 314 are respectively provided with a chamfer 316a at the position corresponding to the entrance of the space, which facilitates the assembly of the support column 121.

The outer peripheral surface 122b of the abutment block 122 is a curved surface, and the curved surface does not contact the inner peripheral surface 316b of the protrusion 314, so that friction is not generated between the abutment block 122 and the protrusion 314.

In this embodiment, the supporting column 121 includes a first circular table portion 121a, a second circular table portion 121b, and a cylindrical portion 121c, which are connected in sequence, outer diameters of the first circular table portion 121a and the second circular table portion 121b are gradually reduced in a direction approaching the cylindrical portion 121c, and a plurality of the abutting blocks 122 are provided at a distal end of the cylindrical portion 121c along a circumferential direction thereof.

The first and second circular table portions 121a, 121b and the cylindrical portion 121c are integrally formed, which facilitates manufacturing.

The bottom wall of the rear cover 12 and the outer peripheral surface of the first circular table portion 121a are connected by a reinforcing rib 1125 to reinforce the connection between the supporting post 121 and the bottom wall of the rear cover 12.

The above examples only represent preferred embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, such as combinations of different features in the various embodiments, which are within the scope of the present invention.

Claims (10)

1. The utility model provides an electricity car light adjusting device of adjusting, includes the casing, accepts motor in the casing, be used for the drive the PCB module of motor, carry out the gear reduction mechanism of speed reduction output, receive the gear reduction mechanism drive and flexible movable shaft, its characterized in that: the movable shaft extends out of the shell, a rotating shaft of the motor is perpendicular to the movable shaft, and a PCB of the PCB module is positioned on one side of the motor and is parallel to the movable shaft; the axis of rotation of one gear of the gear reduction mechanism is perpendicular to the axis of rotation and parallel to the movable shaft.

2. The electric tilt car light adjusting device according to claim 1, characterized in that: the shell comprises a front shell and a rear cover, one side of the front shell is provided with an opening, and the rear cover is buckled at the opening of the front shell; the motor, the gear reduction mechanism, the PCB module and the movable shaft are installed in the front shell, the PCB is perpendicular to the bottom wall of the front shell, the first end of the movable shaft extends out of the bottom wall of the front shell, the second end of the movable shaft is driven by the gear reduction mechanism, and the movable shaft can axially move relative to the shell under the driving of the gear reduction mechanism.

3. The electric tilt car light adjusting device according to claim 2, characterized in that: the front shell comprises a main body part and a protruding part, wherein the protruding part is formed on the outer side of the bottom wall of the main body part, the motor, the gear reduction mechanism and the PCB module are installed in the main body part, the movable shaft is installed in the protruding part, and the first end of the movable shaft extends out of the end part of the protruding part.

4. The electric tilt car light adjusting device according to claim 3, characterized in that: the gear reduction mechanism comprises a duplicate gear and an output gear, a large gear of the duplicate gear is meshed with a motor gear at the output end of the rotating shaft, a small gear of the duplicate gear is meshed with the output gear, the duplicate gear is located on one side, far away from the PCB, of the motor gear, and a rotating axis of the duplicate gear is perpendicular to the rotating shaft and parallel to the movable shaft.

5. The electric tilt car light adjusting device according to claim 4, characterized in that: the motor comprises a motor shell, and the output end of the rotating shaft extends out of the motor shell; the double gear does not overlap with the motor case in an axial direction of the movable shaft.

6. The electric tilt car light adjusting device according to claim 4, characterized in that: the output gear is formed with a mounting member projecting into the projecting portion, the mounting member having an internal thread, and the second end of the movable shaft having an external thread engaged with the internal thread, so that the movable shaft is driven by the gear reduction mechanism.

7. The electric tilt car light adjusting device according to claim 6, characterized in that: the inner wall of the extension part is provided with a limiting part, and the outer wall of the mounting part is provided with a limiting groove matched with the limiting part.

8. The electric tilt car light adjusting device according to claim 4, characterized in that: keep away from of pinion the one end of gear wheel has the installation axle, the installation axle rotationally installs the diapire of preceding shell, keeping away from of gear wheel the one end of pinion has the mounting hole, the diapire of back lid is equipped with the support column, the support column stretches into be used for providing the rotation support to the gear wheel in the mounting hole.

9. The electric tilt car light adjusting device according to claim 2, characterized in that: a support piece is arranged on one surface of the PCB close to the motor, and the support piece is close to the output end of the rotating shaft; the utility model discloses a motor, including support piece, preceding shell, connecting piece, potentiometer, connecting piece, PCB, connecting piece, the support piece is last to be equipped with the potentiometer of being connected with the PCB electricity, the potentiometer can be followed and is close to or keep away from the open-ended direction of preceding shell slides, the second end tip of movable shaft is formed with the connecting piece, the connecting piece is connected to the potentiometer, the potentiometer can follow the movable shaft is in slide on the support piece, and the potentiometer is in slide on the support piece to when extreme position to PCB output stop signal is in order to pass through PCB.

10. The electric tilt car light adjusting device according to claim 2, characterized in that: a connector is mounted on one surface, close to the motor, of the PCB and extends out of the bottom wall of the front shell.

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