CN206647510U - Rear view mirror driver and its small teeth number difference planet gear box transmission mechanism - Google Patents
Rear view mirror driver and its small teeth number difference planet gear box transmission mechanism Download PDFInfo
- Publication number
- CN206647510U CN206647510U CN201720269592.6U CN201720269592U CN206647510U CN 206647510 U CN206647510 U CN 206647510U CN 201720269592 U CN201720269592 U CN 201720269592U CN 206647510 U CN206647510 U CN 206647510U
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- Prior art keywords
- gear
- transmission mechanism
- rack
- number difference
- small teeth
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- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
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Abstract
The utility model discloses a kind of rear view mirror driver and its small teeth number difference planet gear box transmission mechanism, small teeth number difference planet gear box transmission mechanism, including double-planetary gear, eccentric shaft, end cap, gear-box lower cover and gear box cover；Double-planetary gear is located between gear-box lower cover and gear box cover；Secondary annulus and travelling gear are covered with gear-box；Driving cog wheel and rack engages；Gear-box lower cover one end is provided with the first internal gear, and its other end mutually supports friction with end cap；Eccentric shaft one end is fixedly connected with the output shaft of motor, other end rotation connection gear box cover；Eccentric shaft is provided with eccentric part, and eccentric part runs through double-planetary gear.Each small teeth number difference planet gear box transmission mechanism only needs a double-planetary gear, and simple in construction, cost is low, and need not reduce assembly difficulty specially to tooth, improve the efficiency of assembling, and then also reduce cost when mounted.
Description
Technical field
Rear view mirror driver field is the utility model is related to, especially relates to a kind of rear view mirror driver
And its small teeth number difference planet gear box transmission mechanism.
Background technology
Rear view mirror driver in the market, its gear drive are broadly divided into two types：One kind is
The solar reduction gear case of NGWN types, another kind is worm and helical gear formula reducing gear；The solar reduction gear of NGWN types
Case has following open defect:There are three compound planet gears, and be uniformly distributed in 120 °, needed to tooth during assembling, to tooth
It is less efficient, have a strong impact on efficiency of assembling and correctness！This virtually adds the manufacturing cost of product and the difficulty of processing procedure control
Degree.
Utility model content
Main purpose of the present utility model for provide a kind of cost is low and efficiency of assembling is high rear view mirror driver and
Its small teeth number difference planet gear box transmission mechanism.
The utility model proposes a kind of small teeth number difference planet gear box transmission mechanism of rear view mirror driver, input connects
The rotating shaft of motor is connect, output end engages with rack, including on double-planetary gear, eccentric shaft, end cap, gear-box lower cover and gear-box
Lid；Double-planetary gear is located between gear-box lower cover and gear box cover；Secondary annulus and driving cog are covered with gear-box
Wheel；Driving cog wheel and rack engages；Gear-box lower cover one end is provided with the first internal gear, and its other end mutually supports friction with end cap,
End cap is fixedly connected with the base of rear view mirror driver；The axle center at eccentric shaft both ends is identical, and its middle part is eccentric part；It is eccentric
Axle one end is fixedly connected with the output shaft of motor and is rotatablely connected with gear-box lower cover, other end rotation connection gear box cover；Partially
Center portion point runs through double-planetary gear；Double-planetary gear includes the second star-wheel and the first star-wheel；Second star-wheel is nibbled with secondary annulus
Close, the number of teeth of the second star-wheel is less than the number of teeth of secondary annulus；First star-wheel engages with the first internal gear, the number of teeth of the first star-wheel
Less than the number of teeth of the first internal gear.
Further, in addition to shell fragment；Shell fragment is located between motor and end cap, supports motor and end cap respectively.
Further, the gear ratio of the second star-wheel and secondary annulus is 29/32；The tooth of first star-wheel and the first internal gear
Number is than being 30/33.
Further, it is raised to be provided with screens for the outside of end cap；Screens is raised to be provided with 4, and raised two of 4 screens are one group
It is symmetrically set in the outside of end cap.
Further, gear-box lower cover other end activity insertion end cap.
A kind of rear view mirror driver, including base, swivel plate, motor, the first rack, the second rack and above-mentioned few tooth
Difference planet gear box transmission mechanism；Swivel plate is movably set in chassis outer side；First rack and the second rack are movably connected with
Swivel plate is supported respectively in one end end of base, the first rack and the second rack；Motor is fixedly connected with base；Motor drives few tooth
Difference planet gear box transmission mechanism, small teeth number difference planet gear box transmission mechanism drive the first rack and the second rack.
Further, motor and small teeth number difference planet gear box transmission mechanism are equipped with two；Two small teeth number difference planet gears
The travelling gear of box transmission mechanism engages with the first rack and the second rack respectively；Two motors correspondingly connect fewer differential teeth planetary tooth
Take turns box transmission mechanism.
Further, when the outside of end cap is provided with screens projection；Screens is raised to be provided with 4, and raised two of 4 screens are one
When group is symmetrically set in the outside of end cap, the raised embedded connect base of screens.
Further, the end of corresponding first rack of swivel plate and the second rack, which is respectively equipped with, supports screens.
In the utility model rear view mirror driver and its small teeth number difference planet gear box transmission mechanism, each few teeth difference row
Star gear case transmission mechanism only needs a double-planetary gear, and simple in construction, cost is low, and when mounted need not be special right
Tooth, assembly difficulty is reduced, improve the efficiency of assembling, and then also reduce cost.
Brief description of the drawings
Fig. 1 is the structural representation of the small teeth number difference planet gear box transmission mechanism of the utility model rear view mirror driver
Explosive view；
Fig. 2 is the structural representation of the utility model rear view mirror driver.
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that specific embodiment described herein is not used to limit this only to explain the utility model
Utility model.
Reference picture 1-2, the small teeth number difference planet gear box transmission mechanism of the utility model rear view mirror driver, input
The rotating shaft of motor 3 is connected, output end engages with rack 4, in one embodiment, including double-planetary gear 52；Double-planetary gear 52
It is provided only with one.One small teeth number difference planet gear box transmission mechanism only has a double-planetary gear 52, contrasts the planetary of NGWN
Three compound planet gear structures of reduction gear box are simpler, and cost is lower, and installation is also more convenient, and efficiency of assembling is higher.
In the present embodiment, the small teeth number difference planet gear box transmission mechanism of rear view mirror driver also includes eccentric shaft
54th, end cap 55, gear-box lower cover 53 and gear box cover 51；Double-planetary gear 52 is located at gear-box lower cover 53 and gear box cover
Between 51；Gear box cover 51 is provided with secondary annulus and travelling gear 511；Travelling gear 511 engages with rack；Under gear-box
The one end of lid 53 is provided with the first internal gear 531, and its other end supports friction with the phase of end cap 55, and end cap 55 is fixedly connected with rear-vision mirror face
The base 1 of driver；The axle center at the both ends of eccentric shaft 54 is identical, and its middle part is eccentric part；The one end of eccentric shaft 54 is fixedly connected with horse
The output shaft that reaches and it is rotatablely connected with gear-box lower cover 53, other end rotation connection gear box cover 51；Eccentric part 541 runs through
Double-planetary gear 52；Double-planetary gear 52 includes the second star-wheel 521 and the first star-wheel 522；Second star-wheel 521 and secondary annulus
Engagement, the number of teeth of the second star-wheel 521 are less than the number of teeth of secondary annulus；First star-wheel 522 engages with the first internal gear 531, the
The number of teeth of one star-wheel 522 is less than the number of teeth of the first internal gear 531.
When needing the door mirror angle of adjusting rearview mirror mirror driver connection, the output shaft of motor drives eccentric shaft 54
Rotate, its eccentric part 541 drives double-planetary gear 52 to be revolved round the sun around eccentric shaft 54；In the process of revolution of double-planetary gear 52,
Because gear-box lower cover 53 is fixed by frictional force effect, and the first star-wheel 522 engages with the first internal gear 531, duplex row
52 passive autobiography of star-wheel, the second star-wheel 521 stir secondary annulus, and double-planetary gear 52 drives gear box cover 51, Jin Erchuan
For moving gear 511 with carry-over bar, rack supports its end contact elements, door mirror angle conversion.
When rack reaches the limit of position, rack is fixed, and then gear box cover 51 is fixed, double-planetary gear
In 52 process of revolution, double-planetary gear 52 is acted on autobiography by secondary annulus, band moving gear during the autobiography of double-planetary gear 52
Case lower cover 53 overcomes frictional force to rotate gear-box lower cover 53, revolution can be prevented to be limited, and protects motor.
In the present embodiment, in addition to shell fragment 56；Shell fragment 56 be located between motor 3 and end cap 55, support respectively motor and
End cap 55.Shell fragment 56, which supports end cap 55, makes end cap 55 compress gear-box lower cover 53, is formed between end cap 55 and gear-box lower cover 53
Larger frictional force, gear-box lower cover 53 is in the case where that can not overcome frictional force, with the geo-stationary of end cap 55.
In the present embodiment, the gear ratio of the second star-wheel 521 and secondary annulus is 29/32；First star-wheel 522 and first
The gear ratio of internal gear 531 is 30/33.The gear ratio and the first star-wheel 522 and first of second star-wheel 521 and secondary annulus
The gear ratio of internal gear 531, it is less than the number of teeth and the first star-wheel 522 of secondary annulus in the number of teeth for meeting the second star-wheel 521
The number of teeth be less than the first internal gear 531 the number of teeth under conditions of, can also have other ratios.
The gearratio i=z1*z4/ (z1*z4-z2*z3) of small teeth number difference planet gear box transmission mechanism；Wherein, z1=30, z2
=33, z3=29, z4=32, i=320, in the present embodiment, the gearratio of small teeth number difference planet gear box transmission mechanism is 320.
The outside of end cap 55 is provided with screens projection 551；Screens projection 551 is provided with 4, and raised 551 two of 4 screens are one
Group is symmetrically set in the outside of end cap 55.Every group of screens projection 551 can snap connection with base 1, be fixedly connected with end cap 55
Base 1；Provided with two groups of screens projections 551, the probability of contact screens projection 551 is bigger, and efficiency of assembling is higher.
The other end of gear-box lower cover 53 activity insertion end cap 55.The contact surface of gear-box lower cover 53 and end cap 55 can be improved
Product, increase frictional force.
Reference picture 2, in the present embodiment, rear view mirror driver, including base 1, swivel plate 2, motor 3, the first tooth
Bar 41, the second rack 42 and above-mentioned small teeth number difference planet gear box transmission mechanism 5；Swivel plate 2 is movably set in the outside of base 1；The
One rack 41 and the second rack 42 are movably connected with base 1, the one end difference of the first rack 41 and the second rack 42 respectively
Support swivel plate 2；Motor 3 and small teeth number difference planet gear box transmission mechanism 5 are at least provided with one；Motor 3 is fixedly connected with base
1；Motor 3 is one-to-one to be fixedly connected with small teeth number difference planet gear box transmission mechanism 5；Motor 3 drives the transmission of small teeth number difference planet gear case
Mechanism 5, small teeth number difference planet gear box transmission mechanism 5 drive the first rack 41 and the second rack 42.Rear view mirror driver
The cost of small teeth number difference planet gear box transmission mechanism 5 is lower, and the cost of rear view mirror driver is also lower.
After adjustment during mirror angle, the first rack 41 and the second rack 42 support swivel plate 2, the He of the first rack 41 respectively
Second rack 42 is supported respectively drives the above-below direction of swivel plate 2 and left and right directions angle modulation, and swivel plate 2 drives door mirror angle to become
Change, swivel plate 2 moves to extreme position and can blocked, and the first rack 41 and the second rack 42 also move to extreme position.
Motor 3 and small teeth number difference planet gear box transmission mechanism 5 are equipped with two；Two few teeth of the corresponding connection of two motors 3
Difference planet gear box transmission mechanism 5；The travelling gear 511 of two small teeth number difference planet gear box transmission mechanisms 5 respectively with the first tooth
The rack 42 of bar 41 and second engages.Two sets of motors 3 and small teeth number difference planet gear box transmission mechanism 5 drive the He of the first rack 41 respectively
Second rack 42, realizes the above-below direction of swivel plate 2 and left and right directions angle modulation.First rack 41 drives the above-below direction of swivel plate 2 to adjust
Angle, the second rack 42 drive the left and right directions angle modulation of swivel plate 2.
The raised 551 embedded connect bases 1 of the screens of end cap 55.End cap 55 is fixedly connected with base 1.
The end of corresponding first rack 41 of swivel plate 2 and the second rack 42, which is respectively equipped with, supports screens 21.Support screens 21
The groove supported for convenience of the end of rack 4, the end of the first rack 41 and the second rack 42 can be blocked, make the first rack 41
High-quality realization is obtained with the working effect of the end of the second rack 42.
In the utility model rear view mirror driver and its small teeth number difference planet gear box transmission mechanism 5, each few teeth difference
Planetary gear box transmission mechanism 5 only needs a double-planetary gear 52, and simple in construction, cost is low, and when mounted need not
Specially to tooth, assembly difficulty is reduced, improves the efficiency of assembling, and then also reduces cost.
Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model,
Every equivalent structure made using the utility model specification and accompanying drawing content or equivalent flow conversion, or directly or indirectly fortune
Used in other related technical areas, similarly it is included in scope of patent protection of the present utility model.
Claims (9)
1. a kind of small teeth number difference planet gear box transmission mechanism of rear view mirror driver, input connects the rotating shaft of motor, defeated
Go out end to engage with rack, it is characterised in that including double-planetary gear, eccentric shaft, end cap, gear-box lower cover and gear box cover；
The double-planetary gear is located between the gear-box lower cover and gear box cover；
Secondary annulus and travelling gear are covered with the gear-box；
The driving cog wheel and rack engagement；
Described gear-box lower cover one end is provided with the first internal gear, and its other end mutually supports friction with the end cap, and the end cap is consolidated
Surely the base of the rear view mirror driver is connected；
The axle center at the eccentric shaft both ends is identical, and its middle part is eccentric part；
Described eccentric shaft one end is fixedly connected with the output shaft of the motor and is rotatablely connected with the gear-box lower cover, and the other end turns
The dynamic connection gear box cover；
The eccentric part runs through the double-planetary gear；
The double-planetary gear includes the second star-wheel and the first star-wheel；
Second star-wheel engages with the secondary annulus, and the number of teeth of second star-wheel is less than the tooth of the secondary annulus
Number；
First star-wheel engages with first internal gear, and the number of teeth of first star-wheel is less than the tooth of first internal gear
Number.
2. the small teeth number difference planet gear box transmission mechanism of rear view mirror driver according to claim 1, its feature exist
In, in addition to shell fragment；
The shell fragment is located between the motor and end cap, supports the motor and end cap respectively.
3. the small teeth number difference planet gear box transmission mechanism of rear view mirror driver according to claim 1, its feature exist
In the gear ratio of second star-wheel and the secondary annulus is 29/32；
The gear ratio of first star-wheel and first internal gear is 30/33.
4. the small teeth number difference planet gear box transmission mechanism of rear view mirror driver according to claim 1, its feature exist
In the outside of the end cap is provided with screens projection；
The screens is raised to be provided with 4, and 4 raised two of screens are one group of outside for being symmetrically set in the end cap.
5. the small teeth number difference planet gear box transmission mechanism of rear view mirror driver according to claim 1, its feature exist
In the end cap is inserted in the gear-box lower cover other end activity.
6. a kind of rear view mirror driver, it is characterised in that including base, swivel plate, motor, the first rack, the second rack
With the small teeth number difference planet gear box transmission mechanism any one of claim 1-5；
The swivel plate is movably set in the chassis outer side；
First rack and the second rack are movably connected with the base, one end end of first rack and the second rack
The swivel plate is supported respectively in portion；
The motor is fixedly connected with the base；
The motor drives the small teeth number difference planet gear box transmission mechanism, and the small teeth number difference planet gear box transmission mechanism drives
First rack and the second rack.
7. rear view mirror driver according to claim 6, it is characterised in that the motor and small teeth number difference planet gear
Box transmission mechanism is equipped with two；
The travelling gear of two small teeth number difference planet gear box transmission mechanisms is nibbled with first rack and the second rack respectively
Close；Two motors correspondingly connect the small teeth number difference planet gear box transmission mechanism.
8. rear view mirror driver according to claim 6, it is characterised in that when the rear view mirror driver
Small teeth number difference planet gear box transmission mechanism is the small teeth number difference planet gear of the rear view mirror driver described in the claim 4
During box transmission mechanism, the raised embedded connection base of the screens.
9. rear view mirror driver according to claim 6, it is characterised in that the swivel plate corresponds to first tooth
The end of bar and the second rack, which is respectively equipped with, supports screens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720269592.6U CN206647510U (en) | 2017-03-17 | 2017-03-17 | Rear view mirror driver and its small teeth number difference planet gear box transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720269592.6U CN206647510U (en) | 2017-03-17 | 2017-03-17 | Rear view mirror driver and its small teeth number difference planet gear box transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206647510U true CN206647510U (en) | 2017-11-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720269592.6U Withdrawn - After Issue CN206647510U (en) | 2017-03-17 | 2017-03-17 | Rear view mirror driver and its small teeth number difference planet gear box transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206647510U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763629A (en) * | 2017-03-17 | 2017-05-31 | 深圳市创晶辉精密塑胶模具有限公司 | Rear view mirror driver and its small teeth number difference planet gear box transmission mechanism |
-
2017
- 2017-03-17 CN CN201720269592.6U patent/CN206647510U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763629A (en) * | 2017-03-17 | 2017-05-31 | 深圳市创晶辉精密塑胶模具有限公司 | Rear view mirror driver and its small teeth number difference planet gear box transmission mechanism |
| CN106763629B (en) * | 2017-03-17 | 2021-04-20 | 深圳市创晶辉精密塑胶模具有限公司 | Rearview mirror surface driver and small tooth difference planetary gear box transmission mechanism thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171117 Effective date of abandoning: 20210420 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20171117 Effective date of abandoning: 20210420 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |