CN203297310U - Transmission shaft with high-precision assembling performance - Google Patents
Transmission shaft with high-precision assembling performance Download PDFInfo
- Publication number
- CN203297310U CN203297310U CN2013203055295U CN201320305529U CN203297310U CN 203297310 U CN203297310 U CN 203297310U CN 2013203055295 U CN2013203055295 U CN 2013203055295U CN 201320305529 U CN201320305529 U CN 201320305529U CN 203297310 U CN203297310 U CN 203297310U
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- China
- Prior art keywords
- hole
- clamping positioning
- transmission shaft
- axis body
- positioning end
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- Expired - Fee Related
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Abstract
The utility model relates to a transmission shaft, in particular to a transmission shaft with high-precision assembling performance, and belongs to the field of auto parts. The transmission shaft comprises a shaft body, wherein a bearing baffle excircle positioning end is integrally arranged at the upper end of the shaft body; a clamping positioning end is integrally arranged at the lower end of the shaft body; the middle end of the shaft body is a driving end; a through hole is formed in the shaft body; the upper end of the through hole extends to the bearing baffle excircle positioning end; the lower end of the through hole extends into the clamping positioning end; an inclined hole which is inclined, is formed in the driving end and is communicated with the through hole. The transmission shaft has the advantages of compact structure, higher assembling precision and sealing performance, and high service performance.
Description
Technical field
The utility model relates to a kind of transmission shaft, relates in particular to a kind of transmission shaft of highi degree of accuracy assembly performance, for the auto parts machinery field.
Background technique
Transmission shaft of the prior art, complex structure, and assembly precision is low, directly affects the usability of product, and sealability is low.
Chinese patent 201020547947.1, disclose a kind of truck drive shaft, comprises sleeve fork, splined shaft, central siphon and Sealing, and the spline of splined shaft and sleeve fork is involute splines; Sealing and sleeve fork are fastening, with the splined shaft axle journal, coordinate, and between Sealing and splined shaft axle journal, the relative sliding motion, form seal space.The automobile shafts assembly precision of this structure is relatively not high, and usability is not very good simultaneously.
Summary of the invention
The utility model is mainly to solve the deficiencies in the prior art, and a kind of compact structure is provided, and assembly precision is high, the transmission shaft of the highi degree of accuracy assembly performance that sealability is good.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
A kind of transmission shaft of highi degree of accuracy assembly performance, comprise axis body, the upper end of described axis body is provided with mutually integrated bearing guard excircle orientation end with it, the lower end of described axis body is provided with mutually integrated clamping positioning end with it, the middle-end of described axis body is driving end, in described axis body, be provided with through hole, the upper end of described through hole extends in bearing guard excircle orientation end, the lower end of described through hole extends in the clamping positioning end, in described driving end, be provided with the inclined hole that is tilt distribution, the distribution that is connected with through hole of described inclined hole.
As preferably, in described bearing guard excircle orientation end, be provided with the threaded pin hole, described threaded pin hole is connected with through hole, and the upper end of described clamping positioning end is buckling groove, and the lower end of described clamping positioning end is provided with three oil seal grooves that distribute separately.
As preferably, the diameter of described clamping positioning end is greater than the diameter of bearing guard excircle orientation end, and the diameter of described driving end, greater than the diameter of clamping positioning end, is provided with the assembling position between described clamping positioning end and driving end.
Therefore, the transmission shaft of highi degree of accuracy assembly performance of the present utility model, compact structure, promote assembly precision, improves sealability, promotes usability.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
embodiment 1: as shown in Figure 1, a kind of transmission shaft of highi degree of accuracy assembly performance, comprise axis body 1, the upper end of described axis body 1 is provided with mutually integrated bearing guard excircle orientation end 2 with it, the lower end of described axis body 1 is provided with mutually integrated clamping positioning end 3 with it, the middle-end of described axis body 1 is driving end 4, in described axis body 1, be provided with through hole 5, the upper end of described through hole 5 extends in bearing guard excircle orientation end 2, the lower end of described through hole 5 extends in clamping positioning end 3, in described driving end 4, be provided with the inclined hole 6 that is tilt distribution, the distribution that is connected with through hole 5 of described inclined hole 6.In described bearing guard excircle orientation end 2, be provided with threaded pin hole 7, described threaded pin hole 7 is connected with through hole 5, and the upper end of described clamping positioning end 3 is buckling groove 8, and the lower end of described clamping positioning end 3 is provided with three oil seal grooves 9 that distribute separately.The diameter of described clamping positioning end 3 is greater than the diameter of bearing guard excircle orientation end 2, and the diameter of described driving end 4 is greater than the diameter of clamping positioning end 3, and 4 of described clamping positioning end 3 and driving ends are provided with assembling position 10.
Claims (3)
1. the transmission shaft of a highi degree of accuracy assembly performance, it is characterized in that: comprise axis body (1), the upper end of described axis body (1) is provided with mutually integrated bearing guard excircle orientation end (2) with it, the lower end of described axis body (1) is provided with mutually integrated clamping positioning end (3) with it, the middle-end of described axis body (1) is driving end (4), in described axis body (1), be provided with through hole (5), the upper end of described through hole (5) extends in bearing guard excircle orientation end (2), the lower end of described through hole (5) extends in clamping positioning end (3), in described driving end (4), be provided with the inclined hole (6) that is tilt distribution, described inclined hole (6) distribution that is connected with through hole (5).
2. the transmission shaft of highi degree of accuracy assembly performance according to claim 1, it is characterized in that: in described bearing guard excircle orientation end (2), be provided with threaded pin hole (7), described threaded pin hole (7) is connected with through hole (5), the upper end of described clamping positioning end (3) is buckling groove (8), and the lower end of described clamping positioning end (3) is provided with three oil seal grooves (9) that distribute separately.
3. the transmission shaft of highi degree of accuracy assembly performance according to claim 1 and 2, it is characterized in that: the diameter of described clamping positioning end (3) is greater than the diameter of bearing guard excircle orientation end (2), the diameter of described driving end (4), greater than the diameter of clamping positioning end (3), is provided with assembling position (10) between described clamping positioning end (3) and driving end (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203055295U CN203297310U (en) | 2013-05-30 | 2013-05-30 | Transmission shaft with high-precision assembling performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203055295U CN203297310U (en) | 2013-05-30 | 2013-05-30 | Transmission shaft with high-precision assembling performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203297310U true CN203297310U (en) | 2013-11-20 |
Family
ID=49573319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203055295U Expired - Fee Related CN203297310U (en) | 2013-05-30 | 2013-05-30 | Transmission shaft with high-precision assembling performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203297310U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758850A (en) * | 2014-02-20 | 2014-04-30 | 上海纳铁福传动系统有限公司 | Dynamic balance-adjustable transmission shaft structure and machining method for same |
| CN104369106A (en) * | 2014-12-03 | 2015-02-25 | 无锡市翱宇特新科技发展有限公司 | Center shaft |
-
2013
- 2013-05-30 CN CN2013203055295U patent/CN203297310U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758850A (en) * | 2014-02-20 | 2014-04-30 | 上海纳铁福传动系统有限公司 | Dynamic balance-adjustable transmission shaft structure and machining method for same |
| CN104369106A (en) * | 2014-12-03 | 2015-02-25 | 无锡市翱宇特新科技发展有限公司 | Center shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20150530 |
|
| EXPY | Termination of patent right or utility model |