CN206926616U - A kind of wiper motor - Google Patents
A kind of wiper motor Download PDFInfo
- Publication number
- CN206926616U CN206926616U CN201720764197.5U CN201720764197U CN206926616U CN 206926616 U CN206926616 U CN 206926616U CN 201720764197 U CN201720764197 U CN 201720764197U CN 206926616 U CN206926616 U CN 206926616U
- Authority
- CN
- China
- Prior art keywords
- worm screw
- bearing
- worm
- wiper motor
- reduction box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
A kind of wiper motor of the utility model, including direct current generator and reduction box, reduction box includes casing, worm gear and worm screw, worm screw is connected in direct current generator output shaft by shaft coupling, worm gear centre position is connected with rotating shaft by bearing pin, rotating shaft both ends are rotatably connected on casing by bearing, worm gear is rotatablely connected with worm screw, installation groove is provided with reduction box, fixing bearing is installed in installation groove, worm screw right-hand member is arranged in fixing bearing, fixing bearing right-hand member is provided with bearing plate, worm screw left and right ends of the present utility model are fixed, worm screw is set to keep good engagement with turbine, reduce the wear of work, reduce noise, increase service life.
Description
Technical field
Technical field of automobile accessories is the utility model is related to, specially a kind of wiper motor.
Background technology
Vehicle wiper is the equipment that the raindrop and dust that are attached in vehicle windscreen are removed for brushing, is driven with improving
Sail the visibility of people, increase traffic safety, wiper motor is the important composition part of vehicle wiper, wiper motor
It is by motor driven, reciprocating motion of the connecting rod by convert rotational motion into scraping arm is connected by worm and gear, but existing vapour
When driving worm screw to rotate, worm screw easily beats car rain shaving electrical machine, is worn between worm gear, and noise is big, to understand
Certainly these problems, it is proposed that a kind of wiper motor.
Utility model content
The purpose of this utility model is to provide a kind of wiper motor solve asking proposed in background technology
Topic.
To achieve the above object, the utility model provides following technical scheme：A kind of wiper motor, including direct current
Machine and reduction box, the reduction box include casing, worm gear and worm screw, and the worm screw is connected to direct current generator by shaft coupling and exported
On axle, the worm gear centre position is connected with rotating shaft by bearing pin, and the rotating shaft both ends are rotatably connected on casing by bearing,
The worm gear is rotatablely connected with worm screw, is provided with installation groove in the reduction box, fixing bearing is provided with the installation groove,
The worm screw right-hand member is arranged in fixing bearing, and the fixing bearing right-hand member is provided with bearing plate.
As a kind of preferred embodiment of the present utility model, the worm screw left end is provided with spherical groove, and the sphere is recessed
Ball is set on groove, the ball left end is provided with fixed block, and the fixed block is provided with the groove with ball engagement, and the ball supports
On fixed block, the fixed block is arranged on the mounting hole being correspondingly provided with deceleration chamber interior wall.
As a kind of preferred embodiment of the present utility model, the bearing left end is provided with axle sleeve, and the axle sleeve is set in
On worm screw outer surface, the axle sleeve left end is provided with retainer ring.
As a kind of preferred embodiment of the present utility model, self-return is welded with the worm gear outer surface
Piece.
Compared with prior art, the beneficial effects of the utility model are as follows：Worm screw left end of the present utility model connects ball,
Ball is against on fixed block, and fixed block is arranged on deceleration chamber interior wall on the mounting hole that is correspondingly provided with, and worm screw is left when avoiding work
The axial runout at end, the utility model worm screw right-hand member are arranged with axle sleeve on outer surface, make worm screw right-hand member stable movement, avoid worm screw
Axle is beated, and worm screw is kept good engagement with turbine, reduces the wear of work, reduces noise, increases service life.
Brief description of the drawings
Fig. 1 is a kind of wiper motor structural representation of the utility model；
Fig. 2 is enlarged drawing at A on Fig. 1；
In figure：1- direct current generators；2- shaft couplings；3- casings；4- worm gears；5- self-return pieces；6- rotating shafts；7- fixed blocks；
8- balls；9- worm screws；10- bearing plates；11- fixing bearings；12- axle sleeves；13- retainer rings.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of wiper motor, including direct current generator 1
And reduction box, the reduction box include casing 3, worm gear 4 and worm screw 9, the worm screw 9 is connected to direct current generator 1 by shaft coupling 2
On output shaft, the centre position of worm gear 4 is connected with rotating shaft 6 by bearing pin, and the both ends of rotating shaft 6 are rotatably connected on by bearing
On casing 3, the worm gear 4 is rotatablely connected with worm screw 9, and installation groove is provided with the reduction box, is installed in the installation groove
There is fixing bearing 11, the right-hand member of worm screw 9 is arranged in fixing bearing 11, and the right-hand member of fixing bearing 11 is provided with bearing plate
10, make the installation of fixing bearing 11 stable, avoid fixing bearing 11 in the course of work from being subjected to displacement, stability is good.
As a kind of preferred embodiment of the present utility model, the left end of worm screw 9 is provided with spherical groove, and the sphere is recessed
Ball 8 is set on groove, the left end of ball 8 is provided with fixed block 7, and the fixed block 7 is provided with the groove coordinated with ball 8, described
Ball 8 is against on fixed block 7, and the fixed block 7 is arranged on the mounting hole being correspondingly provided with deceleration chamber interior wall, when avoiding work
The axial runout of the left end of worm screw 9, worm screw 9 is kept good engagement with turbine, reduce the wear of work, reduce noise, increase
Add service life.
The left end of bearing 11 is provided with axle sleeve 12, and the axle sleeve 12 is set on the outer surface of worm screw 9, the left end of axle sleeve 12
Provided with retainer ring 13, make the right-hand member stable movement of worm screw 9, avoid the axle of worm screw 9 from beating.
Self-return piece 5 is welded with the outer surface of worm gear 4, windscreen wiper is unrecovered the bottom of to when motor stop motion
During end, self-return piece 5 is moved downward by Action of Gravity Field, drives windscreen wiper to withdraw.
Operation principle：During work, direct current generator 1 starts, and drives worm screw 9 to rotate by shaft coupling 2, and then make 4 turns of worm gear
It is dynamic, play a part of the increase moment of torsion that slows down, drive windscreen wiper motion to be operated, the left end of worm screw 9 of the present utility model connects ball
8, ball 8 is against on fixed block 7, the axial runout of the left end of worm screw 9, the right-hand member outer surface of the utility model worm screw 9 when avoiding work
On be arranged with axle sleeve 12, make the right-hand member stable movement of worm screw 9, avoid the axle of worm screw 9 from beating, worm screw 9 and turbine is kept nibbling well
Conjunction state, the wear of work is reduced, reduce noise, increase service life.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of protection of the utility model.
Claims (4)
1. a kind of wiper motor, including direct current generator（1）And reduction box, it is characterised in that：The reduction box includes casing
（3）, worm gear（4）And worm screw（9）, the worm screw（9）Pass through shaft coupling（2）It is connected to direct current generator（1）On output shaft, the snail
Wheel（4）Centre position is connected with rotating shaft by bearing pin（6）, the rotating shaft（6）Both ends are rotatably connected on casing by bearing（3）
On, the worm gear（4）With worm screw（9）Rotation connection, the reduction box is interior to be provided with installation groove, is provided with the installation groove
Fixing bearing（11）, the worm screw（9）Right-hand member is arranged on fixing bearing（11）It is interior, the fixing bearing（11）Right-hand member is provided with bearing
Pressing plate（10）.
A kind of 2. wiper motor according to claim 1, it is characterised in that the worm screw（9）Left end is provided with sphere
Groove, ball is set on the spherical groove（8）, the ball（8）Left end is provided with fixed block（7）, the fixed block（7）It is provided with
With ball（8）The groove of cooperation, the ball（8）It is against fixed block（7）On, the fixed block（7）Installed in deceleration chamber interior wall
On on the mounting hole that is correspondingly provided with.
A kind of 3. wiper motor according to claim 1, it is characterised in that the fixing bearing（11）Left end is provided with
Axle sleeve（12）, the axle sleeve（12）It is set in worm screw（9）On outer surface, the axle sleeve（12）Left end is provided with retainer ring（13）.
A kind of 4. wiper motor according to claim 1, it is characterised in that the worm gear（4）Welded on outer surface
It is fixed with self-return piece（5）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720764197.5U CN206926616U (en) | 2017-06-28 | 2017-06-28 | A kind of wiper motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720764197.5U CN206926616U (en) | 2017-06-28 | 2017-06-28 | A kind of wiper motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206926616U true CN206926616U (en) | 2018-01-26 |
Family
ID=61353311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720764197.5U Expired - Fee Related CN206926616U (en) | 2017-06-28 | 2017-06-28 | A kind of wiper motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206926616U (en) |
-
2017
- 2017-06-28 CN CN201720764197.5U patent/CN206926616U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180126 Termination date: 20180628 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |