CN201231842Y - Chain wheel axle for bicycle - Google Patents
Chain wheel axle for bicycle Download PDFInfo
- Publication number
- CN201231842Y CN201231842Y CNU2008200357659U CN200820035765U CN201231842Y CN 201231842 Y CN201231842 Y CN 201231842Y CN U2008200357659 U CNU2008200357659 U CN U2008200357659U CN 200820035765 U CN200820035765 U CN 200820035765U CN 201231842 Y CN201231842 Y CN 201231842Y
- Authority
- CN
- China
- Prior art keywords
- shaft
- bead bracket
- bicycle
- square tenon
- middle shaft
- 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 - Lifetime
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- Pivots And Pivotal Connections (AREA)
Abstract
Disclosed is a bicycle middle shaft, which includes a shaft body, a shaft platform, a bead bracket, a spring locking groove and a square tenon; the bead bracket is the clean arc surface and is used for matching to connect with an inner ring of a bearing; the bead bracket is arranged between the shaft platform and the spring locking groove; a bolt hole is arranged in the square tenon; and inner screw threads are arranged on the inner wall of the hole. The shaft can change the prior bead bracket which is used for matching connection between the ball steel and a shaft bowl into the bead bracket for matching connection between the ball steel and a bearing; the assembly and use is convenient, the concentric degree is high, the sensitivity is fine, and the middle shaft is durable.
Description
Affiliated technical field
The utility model relates to a kind of bicycle middle shaft, the high bicycle middle shaft of particularly a kind of concentricity.
Background technology
At present, axle axis operated by rotary motion all is to adopt steel ball and axle bowl to connect voluntarily, and concentricity is low in rolling, poor sensitivity, and service life is short.
The utility model content
For overcoming the deficiencies in the prior art, the utility model proposes a kind of newly from thing car axis, use the concentricity height, the life-span is long.
The technical scheme that the utility model is dealt with problems is: a kind of bicycle middle shaft, comprise axle body, pillow block, pearl frame, jump ring groove, square tenon, it is characterized in that: the pearl frame is that a bright and clean cambered surface is used for connecting with bearing inner ring, pearl is set up between pillow block and the jump ring groove, tenon inside, side is provided with keyhole, and the inwall in hole is provided with screw thread.
The beneficial effects of the utility model are, assemble easy to use, the concentricity height, sensitivity is good, and is durable.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure 1, axle body, 2, pillow block, 3, the pearl frame, 4, the jump ring groove, 5, square tenon, 6, negative thread, 7, bolt hole.
The specific embodiment
Axle body 1 is provided with pillow block 2, pearl frame 3, jump ring groove 4, square tenon 5, is provided with bolt hole 7 in the square tenon 5, and the inwall of bolt hole 7 is provided with negative thread 6, and pearl frame 3 is located between pillow block 2 and the jump ring groove 4, and square tenon 5 is located at the two ends of axle body 1.
Claims (1)
1, a kind of bicycle middle shaft, comprise axle body, pillow block, pearl frame, jump ring groove, square tenon, it is characterized in that: the pearl frame is that a bright and clean cambered surface is used for connecting with bearing inner ring, and pearl is set up between pillow block and the jump ring groove, tenon inside, side is provided with keyhole, and the inwall in hole is provided with negative thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200357659U CN201231842Y (en) | 2008-04-29 | 2008-04-29 | Chain wheel axle for bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200357659U CN201231842Y (en) | 2008-04-29 | 2008-04-29 | Chain wheel axle for bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201231842Y true CN201231842Y (en) | 2009-05-06 |
Family
ID=40618220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200357659U Expired - Lifetime CN201231842Y (en) | 2008-04-29 | 2008-04-29 | Chain wheel axle for bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201231842Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937135A (en) * | 2012-11-27 | 2013-02-20 | 张林坤 | Bicycle center shaft |
| CN103939455A (en) * | 2014-05-06 | 2014-07-23 | 苏州市诚品精密机械有限公司 | Fixing support rod |
-
2008
- 2008-04-29 CN CNU2008200357659U patent/CN201231842Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937135A (en) * | 2012-11-27 | 2013-02-20 | 张林坤 | Bicycle center shaft |
| CN103939455A (en) * | 2014-05-06 | 2014-07-23 | 苏州市诚品精密机械有限公司 | Fixing support rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090506 |
|
| CX01 | Expiry of patent term | ||
| DD01 | Delivery of document by public notice |
Addressee: Sun Guifa Document name: Notification of Expiration of Patent Right Duration |
|
| DD01 | Delivery of document by public notice |