CN207554702U - A kind of planetary reduction gear for automobile tail gate strut - Google Patents
A kind of planetary reduction gear for automobile tail gate strut Download PDFInfo
- Publication number
- CN207554702U CN207554702U CN201721643492.1U CN201721643492U CN207554702U CN 207554702 U CN207554702 U CN 207554702U CN 201721643492 U CN201721643492 U CN 201721643492U CN 207554702 U CN207554702 U CN 207554702U
- Authority
- CN
- China
- Prior art keywords
- planetary reduction
- primary planet
- external toothing
- gear
- level
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Abstract
The utility model is related to a kind of planetary reduction gears for automobile tail gate strut, including pedestal, external toothing, primary planet deceleration mechanism and two-stage planetary reduction mechanism, two-stage planetary reduction mechanism is arranged on the surface of primary planet deceleration mechanism, external toothing is arranged on the outside of primary planet deceleration mechanism and two-stage planetary reduction mechanism, level-one sun gear is connected with motor output end, secondary solar gear is connected with primary planet carrier, and secondary planet frame is connected with output shaft.The utility model is simple in structure, it is compact to design, the outside of external toothing can replace shell to use, reduce the parts on retarder, reduce the difficulty of processing, use helical teeth that can reduce the noise during use on the inside of external toothing, it is ensured that the performance of electronic strut is stablized, and ensures the stability of automobile power back door.
Description
Technical field
The utility model is related to a kind of planetary reduction gears for automobile tail gate strut, belong to auto parts and components technology neck
Domain.
Background technology
With economic development, science and technology is continuously improved.The vehicles are constantly updating, and automobile becomes for people's traffic
Tool, but with the development of science and technology, people are higher and higher to automobile requirement.Tail-gate such as partial automobile is automatically turned on, is closed
It closes.Automobile tail gate is opened, closes in link and can't do without electronic strut, and electronic strut mainly passes through deceleration device by electric rotating machine
It is realized using screw.Since tail-gate space is limited, existing decelerating through motor structure is mostly using planetary reduction gear, and planetary reduction box is by sky
Between, reduction ratio influence, module very little, machining accuracy is difficult to reach, and be easy to cause gear abnormal sound.
Invention content
The purpose of this utility model is to solve the above-mentioned problems, to provide a kind of simple in structure, and compact to design is used for
The planetary reduction gear of automobile tail gate strut.
The utility model adopts the following technical solution：A kind of planetary reduction gear for automobile tail gate strut, including pedestal,
External toothing, primary planet deceleration mechanism and two-stage planetary reduction mechanism, the two-stage planetary reduction mechanism are arranged on primary planet
The surface of deceleration mechanism, the external toothing are arranged on the outside of primary planet deceleration mechanism and two-stage planetary reduction mechanism；
The primary planet deceleration mechanism includes level-one sun gear, be provided with around the level-one sun gear several one
Grade planetary gear, primary planet carrier is provided on the primary planet wheel, and the primary planet wheel is intermeshed with external toothing；
The two-stage planetary reduction mechanism includes secondary solar gear, be provided with around the secondary solar gear several two
Grade planetary gear, secondary planet frame is provided on the secondary planet wheel, and the secondary planet wheel is intermeshed with external toothing；
The level-one sun gear is connected with motor output end, and the secondary solar gear is connected with primary planet carrier, and described two
Grade planet carrier is connected with output shaft.
Further, it is provided with helical teeth on the inside of the external toothing.
Further, the bottom of the external toothing is connected by nut with pedestal.
Further, the upper end of the two-stage planetary reduction mechanism is provided with rolling bearing.
The utility model is simple in structure, compact to design, and the outside of external toothing can replace shell to use, and reduce retarder
On parts, reduce the difficulty of processing, the noise during use can be reduced on the inside of external toothing using helical teeth, it is ensured that electricity
The performance of dynamic strut is stablized, and ensures the stability of automobile power back door.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the schematic diagram of the external toothing of the utility model.
Reference numeral：Pedestal 1, external toothing 2, level-one sun gear 3, primary planet wheel 4, primary planet carrier 5, secondary solar gear
6th, secondary planet wheel 7, secondary planet frame 8, output shaft 9, rolling bearing 10.
Specific embodiment
Below in conjunction with attached drawing, the utility model will be further described.
As Figure 1-Figure 2, a kind of planetary reduction gear for automobile tail gate strut, including pedestal 1, external toothing 2, level-one
Planetary gear speed reducing mechanism and two-stage planetary reduction mechanism, two-stage planetary reduction mechanism be arranged on primary planet deceleration mechanism just on
Side, external toothing 2 are arranged on the outside of primary planet deceleration mechanism and two-stage planetary reduction mechanism；Primary planet deceleration mechanism includes
Level-one sun gear 3 is provided with several primary planet wheels 4 around level-one sun gear 3, level-one is provided on primary planet wheel 4
Planet carrier 5, primary planet wheel 4 are intermeshed with external toothing 2；Two-stage planetary reduction mechanism includes secondary solar gear 6, the two level sun
Be provided with several secondary planet wheels 7 around wheel 6, be provided with secondary planet frame 8 on secondary planet wheel 7, secondary planet wheel 7 with
External toothing 2 is intermeshed；Level-one sun gear 3 is connected with motor output end, and secondary solar gear 6 is connected with primary planet carrier 5, two level
Planet carrier 8 is connected with output shaft, and the upper end of two-stage planetary reduction mechanism is provided with rolling bearing 10, and 2 inside of external toothing is provided with
Helical teeth, the bottom of external toothing 2 are connected by nut with pedestal 1.
External toothing 2 is integrally formed using powder metallurgy die casting, can improve the precision of inside helical teeth.
Operation principle：The output terminal connection level-one sun gear 3 of motor, motor drives level-one sun gear 3 to operate, the level-one sun
Wheel 3 drives primary planet wheel 4, and primary planet wheel 4 completes primary speed-down, secondary solar gear 6 and primary planet carrier 5 with external toothing 2
It is integrally formed, therefore secondary solar gear 6 can be operated with primary planet carrier 5, and then secondary planet wheel 7 is driven to operate, two level row
Star-wheel 7 completes double reduction with external toothing 2.
Claims (3)
1. a kind of planetary reduction gear for automobile tail gate strut, it is characterised in that：Including pedestal（1）, external toothing（2）, level-one
Planetary gear speed reducing mechanism and two-stage planetary reduction mechanism, the two-stage planetary reduction mechanism are being arranged on primary planet deceleration mechanism just
Top, the external toothing（2）It is arranged on the outside of primary planet deceleration mechanism and two-stage planetary reduction mechanism；
The primary planet deceleration mechanism includes level-one sun gear（3）, the level-one sun gear（3）Around be provided with several
Primary planet wheel（4）, the primary planet wheel（4）On be provided with primary planet carrier（5）, the primary planet wheel（4）With external tooth
Circle（2）Intermeshing；
The two-stage planetary reduction mechanism includes secondary solar gear（6）, the secondary solar gear（6）Around be provided with several
Secondary planet wheel（7）, the secondary planet wheel（7）On be provided with secondary planet frame（8）, the secondary planet wheel（7）With external tooth
Circle（2）Intermeshing；
The level-one sun gear（3）It is connected with motor output end, the secondary solar gear（6）With primary planet carrier（5）It is connected, institute
State secondary planet frame（8）With output shaft（9）It is connected.
2. it to be used for the planetary reduction gear of automobile tail gate strut as described in claim 1, it is characterised in that：The external toothing（2）
Inside is provided with helical teeth.
3. it to be used for the planetary reduction gear of automobile tail gate strut as described in claim 1, it is characterised in that：The external toothing（2）
Bottom pass through nut and pedestal（1）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721643492.1U CN207554702U (en) | 2017-11-30 | 2017-11-30 | A kind of planetary reduction gear for automobile tail gate strut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721643492.1U CN207554702U (en) | 2017-11-30 | 2017-11-30 | A kind of planetary reduction gear for automobile tail gate strut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207554702U true CN207554702U (en) | 2018-06-29 |
Family
ID=62678549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721643492.1U Expired - Fee Related CN207554702U (en) | 2017-11-30 | 2017-11-30 | A kind of planetary reduction gear for automobile tail gate strut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207554702U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830121A (en) * | 2017-11-30 | 2018-03-23 | 无锡典聚科技有限公司 | A kind of planetary reduction gear for automobile tail gate strut |
| CN109442004A (en) * | 2018-11-02 | 2019-03-08 | 天津原谷科技有限公司 | A kind of automobile boot opens gear-box and its installation method |
-
2017
- 2017-11-30 CN CN201721643492.1U patent/CN207554702U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830121A (en) * | 2017-11-30 | 2018-03-23 | 无锡典聚科技有限公司 | A kind of planetary reduction gear for automobile tail gate strut |
| CN109442004A (en) * | 2018-11-02 | 2019-03-08 | 天津原谷科技有限公司 | A kind of automobile boot opens gear-box and its installation method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180629 Termination date: 20181130 |