CN110481437B - Electric folding device for rearview mirror - Google Patents
Electric folding device for rearview mirror Download PDFInfo
- Publication number
- CN110481437B CN110481437B CN201910621429.5A CN201910621429A CN110481437B CN 110481437 B CN110481437 B CN 110481437B CN 201910621429 A CN201910621429 A CN 201910621429A CN 110481437 B CN110481437 B CN 110481437B
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- rearview mirror
- mounting seat
- groove
- folding device
- arc
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/02—Rear-view mirror arrangements
- B60R1/06—Rear-view mirror arrangements mounted on vehicle exterior
- B60R1/062—Rear-view mirror arrangements mounted on vehicle exterior with remote control for adjusting position
- B60R1/07—Rear-view mirror arrangements mounted on vehicle exterior with remote control for adjusting position by electrically powered actuators
- B60R1/074—Rear-view mirror arrangements mounted on vehicle exterior with remote control for adjusting position by electrically powered actuators for retracting the mirror arrangements to a non-use position alongside the vehicle
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
Abstract
The invention discloses an electric folding device for a rearview mirror, belongs to the technical field of rearview mirrors, and solves the problems that the folding structure of the existing rearview mirror is not stable enough, the energy consumption is high, and the folding speed is too high. This electronic folding device of rear-view mirror includes the automobile body mount pad, rear-view mirror base and transmission, through set up the transmission of second grade worm gear between driving motor and rear-view mirror base, it is effectual to slow down, conveniently adjust the rear-view mirror angle, fix the second grade worm gear on the mount pad again, set up arc spacing groove and thrust collar simultaneously, the folding angle of restriction rear-view mirror, avoid the collision of rear-view mirror base and automobile body, be equipped with the magnetic path that the magnetic pole is opposite on guide way and arc connecting block, reduce the frictional force that the arc connecting block receives when sliding in the guide way, this electronic folding device of rear-view mirror has and slows down effectually, conveniently adjust and the advantage of the energy can be saved.
Description
Technical Field
The invention relates to the technical field of rearview mirrors, in particular to an electric folding device for a rearview mirror.
Background
The outer rear-view mirror of current vehicle adopts usually to finely tune, can't fold, then when underground garage and narrow highway section, often can scrape colored reflector, the vehicle of producing in recent years generally all is from the folding device who has taken the rear-view mirror, generally through manual regulation, it is comparatively troublesome to adjust, especially under the inconvenient circumstances of getting off, the operation is inconvenient, automatically regulated's folding device generally is comparatively complicated among the prior art, generally realize through gear drive, but the transmission is smaller, can cause rear-view mirror folding speed too fast, and generally all be the rear-view mirror and the rear-view mirror mount pad is just unable folding after pushing up mutually in the folding process of rear-view mirror, cause the damage to the rear-view mirror easily.
Disclosure of Invention
The present invention has been made in view of the above problems, and it is an object of the present invention to provide an electric folding device for a rear view mirror, which has a simple structure, a high degree of automation, a slow folding speed of the rear view mirror, and a maximum deviation angle of the rear view mirror according to a desired folding angle.
In order to achieve the above object, the present invention provides an electric folding device for a rear view mirror, comprising:
the automobile body mounting seat comprises an upper mounting seat, a lower mounting seat and a fixed shaft, the upper mounting seat and the lower mounting seat are integrally disc-shaped, a limiting sliding groove is formed in the upper mounting seat, a guide groove is formed in the lower mounting seat, and the edge of the upper end of the lower mounting block is in a step shape;
the upper end of the side surface of the rearview mirror base is movably clamped in the limiting sliding groove, and the lower end of the side surface of the rearview mirror base is arranged in the guide groove;
the transmission device comprises a transmission motor, a primary worm wheel, a secondary worm and a secondary worm wheel, the primary worm is connected with the transmission motor, the primary worm wheel is meshed with the primary worm, the secondary worm is coaxial with the primary worm wheel, the secondary worm wheel is fixed on the vehicle body mounting seat, and the secondary worm is meshed with the secondary worm wheel;
the diameter of the first-stage worm is smaller than that of the first-stage worm wheel, and the diameter of the second-stage worm is smaller than that of the second-stage worm wheel.
According to the electronic folding device of rear-view mirror, the rear-view mirror base include connecting portion and installation department, connecting portion with the automobile body mount pad meets, connecting portion are close to one side edge department of automobile body mount pad is equipped with the bearing, second grade worm both ends set up on the bearing.
According to the electric folding device for the rearview mirror, the upper mounting seat is provided with the first groove, the arc-shaped side edge of one side, close to the rearview mirror base, of the first groove is provided with the limiting sliding groove, and the arc-shaped side edge of the bottom of the upper mounting seat is provided with the thrust ring.
According to the electric folding device for the rearview mirror, the upper part of the thrust ring is provided with the inclined connecting block which is connected with the arc-shaped side edge at the bottom of the upper mounting seat, and the thrust ring and the limiting sliding groove are distributed in a staggered manner.
According to the electric folding device for the rearview mirror, the lower mounting seat is provided with the second groove, the middle part of the second groove is provided with the connecting circular truncated cone, the side edge of the connecting circular truncated cone and the side edge of the second groove are surrounded to form the guide groove, one end of the fixing shaft is connected with the bottom of the upper mounting seat, the other end of the fixing shaft is connected with the top of the connecting circular truncated cone, and the circle center of the guide groove and the axis center of the fixing shaft are on the same straight line.
According to the electronic folding device of rear-view mirror, connecting portion upper end side is equipped with the draw-in groove, the draw-in groove tank bottom with go up the laminating of mount pad side, be equipped with the fixture block in the draw-in groove, fixture block one end sets up in the spacing spout, connecting portion lower extreme side is equipped with the arc connecting block, the arc connecting block sets up in the guide way.
According to a last electronic folding device of rear-view mirror, the installation department top surface is equipped with spacing ring and stopper, the spacing ring with the installation department top surface surrounds and forms the spacing groove, the stopper with be equipped with the clearance between the spacing ring.
According to the electric folding device for the rearview mirror, the top surface of the rearview mirror base is provided with the rectangular hole, the transmission motor is clamped in the rectangular hole, and the bottom of the first-stage worm is provided with the ball which is connected with the rearview mirror base.
According to the electric folding device for the rearview mirror, the elastic element is arranged below the connecting round table.
According to the electric folding device for the rearview mirror, the first magnetic block is arranged at the bottom of the guide groove, the second magnetic block is arranged on the bottom surface of the arc-shaped connecting block, and when the arc-shaped connecting block is arranged in the guide groove, the magnetic poles of the first magnetic block and the second magnetic block are the same.
The invention has the following beneficial effects:
1. after the motor is started, the motor drives the rearview mirror base to rotate through the transmission of the second-stage worm gear, and after the speed of the second-stage worm gear is reduced, the rotation speed of the rearview mirror base is low, so that the rearview mirror base is suitable for adjustment.
2. When the rearview mirror base rotationally moves through the limiting sliding groove and the guide groove, the maximum rotation angle of the rearview mirror base can be limited through the limiting sliding groove and the thrust ring, and collision is avoided.
3. The magnetic blocks with the same magnetic poles are arranged on the rearview mirror base and the guide groove, so that when one end of the rearview mirror base is arranged in the guide groove, the rearview mirror base is not completely contacted with the groove bottom of the guide groove, and the friction force generated when the rearview mirror base moves in the guide groove is reduced.
4. The elastic element is arranged below the connecting round table, so that the integral vibration of the folding device can be reduced, and the integral stability is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the overall structure of the present invention;
fig. 3 is a top view of the present invention.
The specific implementation mode is as follows:
the following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 3, an electric folding device for a rear view mirror, comprising:
the vehicle body mounting seat 100, the vehicle body mounting seat 100 includes an upper mounting seat 110, a lower mounting seat 120 and a fixed shaft 130, the upper mounting seat 110 and the lower mounting seat 120 are both disc-shaped integrally, and the position of the center of a circle should be consistent with the axis position of the second-stage worm gear 350, so that when the rearview mirror base 200 rotates around the second-stage worm gear 350, the two ends connected with the mounting seats can operate at the same angular speed, the operating speed is guaranteed to be consistent, and the rearview mirror base cannot be deviated, the upper mounting seat 110 is provided with a limiting sliding groove 111a, the limiting sliding groove 111a provides a rotating space for the upper end of the rearview mirror base 200, and simultaneously limits the folding angle of the rearview mirror base 200, the lower mounting seat 120 is provided with a guide groove 121, the guide groove 121 is used for providing a sliding space for the lower end of the rearview mirror base 200, the upper end edge of the lower mounting block is in a ladder shape, and is convenient to be clamped with the movement of the rearview mirror base 200.
The upper end of the side surface of the rearview mirror base 200 is movably clamped in the limiting sliding groove 111a, the lower end of the side surface of the rearview mirror base 200 is arranged in the guide groove 121, and in a moving state, the upper end and the lower end of the side surface of the rearview mirror base 200 move simultaneously, so that the rearview mirror base 200 is driven to move integrally.
The transmission device 300, the transmission device 300 includes a transmission motor 310, a first-stage worm 320, a first-stage worm wheel 330, a second-stage worm 340 and a second-stage worm wheel 350, the first-stage worm 320 is connected with the transmission motor 310, the first-stage worm wheel 330 is meshed with the first-stage worm 320, the second-stage worm 340 is coaxial with the first-stage worm wheel 330, the second-stage worm 350 is fixed on the vehicle body mounting seat 100, the transmission motor 310 drives the first-stage worm 320 to rotate, the worm drives the first-stage worm wheel 330 to rotate, and the second-stage worm 340 and the first-stage worm wheel 330 rotate at the same speed due to the fact that the second-stage worm 340 is coaxial with the first-stage worm wheel 330, and the second-stage worm wheel 350 is fixed on the vehicle body mounting seat 100, under the condition that the second-stage worm 340 is meshed with the second-stage worm wheel 350, the rotation of the second-stage worm 340 can cause the second-stage worm 340 to rotate along the bevel surface of the second-stage worm wheel 350, and further drive the rearview mirror base 200 to move around the transmission device 300, the folding work of the rearview mirror is completed.
The diameter of the first-level worm 320 is smaller than that of the first-level worm wheel 330, the diameter of the second-level worm 340 is smaller than that of the second-level worm wheel 350, namely, the rotating speed provided by the transmission motor 310 is subjected to secondary speed reduction treatment, so that the rotating speed transmitted to the rearview mirror base 200 is low, the rearview mirror is protected from being damaged, and meanwhile, the rearview mirror is conveniently adjusted to a proper position.
The rearview mirror base 200 comprises a connecting portion 210 and a mounting portion 220, the connecting portion 210 is connected with the vehicle body mounting base 100, a bearing 211 is arranged at the edge of one side, close to the vehicle body mounting base 100, of the connecting portion 210, two ends of a secondary worm 340 are arranged on the bearing 211, the connecting portion 210 of the rearview mirror base 200 is movably connected with the vehicle body mounting base 100, the mounting portion 220 is used for mounting a rearview mirror, two ends of the secondary worm 340 are arranged on the bearing 211, the rearview mirror base 200 cannot be driven to rotate when the secondary worm 340 rotates, and the rearview mirror base 200 can be driven to move together when the secondary worm 340 rotates around a secondary worm gear 350.
Go up and be equipped with first recess 111 on the mount pad 110, be equipped with spacing spout 111a on the arc side of first recess 111 near rear-view mirror base 200 one side, then spacing spout 111a is whole also to be curved, then the part that meets with spacing spout 111a on rear-view mirror base 200 is according to the radian motion look of spacing spout 111a, spacing spout 111a has also restricted the biggest folding angle simultaneously, be equipped with thrust collar 112 on the arc side of last mount pad 110 bottom, thrust collar 112 restricts the biggest travel distance of rear-view mirror base 200 upper end bottom, make rear-view mirror base 200 upper end atress even from top to bottom.
The upper portion of the thrust collar 112 is provided with an oblique connecting block connected with the arc side edge of the bottom of the upper mounting seat 110, the oblique connecting block is fixed on the bottom of the upper mounting seat 110, the thrust collar 112 and the limiting sliding groove 111a are distributed in a staggered manner, if the oblique connecting block is not distributed in a staggered manner, the upper portion and the lower portion of the upper end of the rearview mirror base 200 cannot be simultaneously limited, and when the upper end of the rearview mirror base 200 is fixed in the limiting sliding groove 111a, the rearview mirror base 200 and the thrust collar 112 are directly in front contact and cannot be installed.
The lower mounting base 120 is provided with a second groove 122, the middle part of the second groove 122 is provided with a connecting circular truncated cone 123, the side edge of the connecting circular truncated cone 123 and the side edge of the second groove 122 surround to form a guide groove 121, one end of the fixing shaft 130 is connected with the bottom of the upper mounting base 110, the other end of the fixing shaft 130 is connected with the top of the connecting circular truncated cone 123, the circle center of the guide groove 121 and the axis center of the fixing shaft 130 are on the same straight line, and the rotation of the rearview mirror base 200 in the guide groove 121 and the rotation center point of the fixing shaft 130 are on the same straight line, so that the movement is smoother, and the occurrence of mutual obstruction can be avoided.
Connecting portion 210 upper end side is equipped with draw-in groove 212, draw-in groove 212 tank bottom and the laminating of last mount pad 110 side, be equipped with fixture block 212a in the draw-in groove 212, fixture block 212a one end sets up in spacing spout 111a, fixture block 212a drives the holistic motion in connecting portion 210 upper portion, the motion range is decided by arc spout length, the direction of motion is decided by the radian of arc spout simultaneously, connecting portion 210 lower extreme side is equipped with arc connecting block 213, arc connecting block 213 sets up in guide way 121, connecting portion 210 lower extreme passes through arc connecting block 213 and slides in guide way 121, friction is reduced, energy loss is reduced.
The top surface of the mounting part 220 is provided with a limiting ring 221 and a limiting block 222, the limiting ring 221 and the top surface of the mounting part 220 surround to form a limiting groove 223, a gap is arranged between the limiting block 222 and the limiting ring 221, and the limiting groove 223 and the gap are used for clamping and mounting the rearview mirror.
The top surface of the rearview mirror base 200 is provided with a rectangular hole 230, the transmission motor 310 is clamped in the rectangular hole 230, the rectangular hole 230 can be used for installing the transmission motor 310, after other transmission devices 300 are installed, the transmission motor 310 is installed in the rectangular hole 230 to avoid damage, and meanwhile maintenance is convenient, the bottom of the first-level worm 320 is provided with a ball 321, the ball 321 is connected with the rearview mirror base 200, the first-level worm 320 is driven by an output shaft of the transmission motor 310 to rotate together, the ball 321 is arranged at the bottom of the first-level worm 320 to be connected with the rearview mirror base 200, so that the position of the first-level worm 320 can be fixed, and energy loss due to overlarge friction force can be avoided.
An elastic element (not marked in the figure) is arranged below the connecting round platform 123, so that the stability of the whole structure is maintained, and the vibration frequency can be reduced when vibration occurs.
When the arc-shaped connecting block 213 is arranged in the guide groove 121, the magnetic poles of the first magnetic block and the second magnetic block are the same, the arc-shaped connecting block 213 is subjected to an upward magnetic force, the arc-shaped connecting block 213 and the groove bottom of the guide groove 121 are in a half-contact state, and friction can be greatly reduced and energy loss can be reduced in the sliding process of the arc-shaped connecting block 213.
According to the electric folding device for the rearview mirror, the secondary worm gear is arranged between the transmission motor and the rearview mirror base for transmission, the speed reduction effect is good, the angle of the rearview mirror can be conveniently adjusted, the secondary worm gear is fixed on the mounting seat, the secondary worm rotates around the secondary worm gear by utilizing the characteristic of the worm gear, the worm and the bevel gear, so that the rearview mirror base is driven to rotate, the folding of the rearview mirror is completed, the arc-shaped limiting groove and the thrust ring are arranged to limit the folding angle of the rearview mirror, the collision between the rearview mirror base and a vehicle body is avoided, the magnetic blocks with opposite magnetic poles are arranged on the guide groove and the arc-shaped connecting block, and the friction force borne by the arc-shaped connecting block when the arc-shaped connecting block slides in the guide groove is reduced.
The technical solutions of the present invention are explained in detail above with reference to the accompanying drawings, and the described embodiments are used to help understanding the idea of the present invention. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments, or alternatives may be employed, by those skilled in the art, without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (8)
1. An electric folding device for a rearview mirror, comprising:
the automobile body mounting seat comprises an upper mounting seat, a lower mounting seat and a fixed shaft, the upper mounting seat and the lower mounting seat are integrally disc-shaped, a limiting sliding groove is formed in the upper mounting seat, a guide groove is formed in the lower mounting seat, and the edge of the upper end of the lower mounting seat is in a step shape;
the upper end of the side surface of the rearview mirror base is movably clamped in the limiting sliding groove, and the lower end of the side surface of the rearview mirror base is arranged in the guide groove;
the transmission device comprises a transmission motor, a primary worm wheel, a secondary worm and a secondary worm wheel, the primary worm is connected with the transmission motor, the primary worm wheel is meshed with the primary worm, the secondary worm is coaxial with the primary worm wheel, the secondary worm wheel is fixed on the vehicle body mounting seat, and the secondary worm is meshed with the secondary worm wheel;
the circle centers of the upper mounting seat and the lower mounting seat and the circle center of the secondary worm wheel are positioned on the same straight line;
the diameter of the primary worm is smaller than that of the primary worm wheel, and the diameter of the secondary worm is smaller than that of the secondary worm wheel;
the rearview mirror base comprises a connecting part and an installation part, a clamping groove is formed in the side face of the upper end of the connecting part, the bottom of the clamping groove is attached to the side edge of the upper installation seat, a clamping block is arranged in the clamping groove, one end of the clamping block is arranged in the limiting sliding groove, an arc-shaped connecting block is arranged on the side face of the lower end of the connecting part, and the arc-shaped connecting block is arranged in the guide groove;
the bottom of the guide groove is provided with a first magnetic block, the bottom surface of the arc-shaped connecting block is provided with a second magnetic block, and when the arc-shaped connecting block is arranged in the guide groove, the magnetic poles of the first magnetic block and the second magnetic block are the same.
2. The electric folding device for rearview mirror as claimed in claim 1, wherein the connecting portion is connected to the vehicle body mounting base, a bearing is provided at an edge of the connecting portion near one side of the vehicle body mounting base, and both ends of the secondary worm are provided on the bearing.
3. The electric folding device for rearview mirror as claimed in claim 1, wherein the upper mounting seat is provided with a first groove, the arc-shaped side of the first groove close to the base of the rearview mirror is provided with the limiting sliding groove, and the arc-shaped side of the bottom of the upper mounting seat is provided with a thrust ring.
4. The electric folding device for rearview mirror as claimed in claim 3, wherein the upper part of the thrust ring is provided with an oblique connecting block connected with the arc-shaped side edge of the bottom of the upper mounting seat, and the thrust ring and the limiting sliding groove are distributed in a staggered manner.
5. The electric folding device for rearview mirror according to claim 3, wherein a second groove is provided on the lower mounting base, a connecting circular truncated cone is provided in the middle of the second groove, the connecting circular truncated cone side and the second groove side enclose to form the guide groove, one end of the fixed shaft is connected to the bottom of the upper mounting base, the other end of the fixed shaft is connected to the top of the connecting circular truncated cone, and the center of the guide groove is aligned with the center of the fixed shaft.
6. The electric folding device for rearview mirror as claimed in claim 2, wherein the top surface of the mounting portion is provided with a limiting ring and a limiting block, the limiting ring and the top surface of the mounting portion surround to form a limiting groove, and a gap is provided between the limiting block and the limiting ring.
7. The electric folding device for rearview mirror of claim 1, wherein the top surface of the mirror base is provided with a rectangular hole, the transmission motor is clamped in the rectangular hole, and the bottom of the primary worm is provided with a ball, and the ball is connected with the mirror base.
8. The electric folding device for rearview mirror as claimed in claim 5, wherein an elastic member is provided under the connecting boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910621429.5A CN110481437B (en) | 2019-07-10 | 2019-07-10 | Electric folding device for rearview mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910621429.5A CN110481437B (en) | 2019-07-10 | 2019-07-10 | Electric folding device for rearview mirror |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110481437A CN110481437A (en) | 2019-11-22 |
| CN110481437B true CN110481437B (en) | 2022-09-20 |
Family
ID=68546921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910621429.5A Active CN110481437B (en) | 2019-07-10 | 2019-07-10 | Electric folding device for rearview mirror |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110481437B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7070287B2 (en) * | 2002-04-23 | 2006-07-04 | Magna Donnelly Mirrors North America L.L.C. | Vehicular mirror system with at least one of power-fold and power-extend functionality |
| CN104044509B (en) * | 2014-06-04 | 2016-07-06 | 常州市凯凌车配有限公司 | Rearview mirror fold mechanism |
| CN104691420B (en) * | 2015-03-13 | 2017-01-11 | 宁波精成车业有限公司 | Adjusting device used for automobile rearview mirror |
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2019
- 2019-07-10 CN CN201910621429.5A patent/CN110481437B/en active Active
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| Publication number | Publication date |
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| CN110481437A (en) | 2019-11-22 |
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Address after: No.89 Cuibai Road, Ningbo, Zhejiang 315000 Applicant after: Ningbo University of Technology Address before: 315000 No. 201 Fenghua Road, Jiangbei District, Ningbo City, Zhejiang Province Applicant before: Ningbo University of Technology |
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