CN2312863Y - Cantilever brake of bicycle - Google Patents
Cantilever brake of bicycle Download PDFInfo
- Publication number
- CN2312863Y CN2312863Y CN 97206633 CN97206633U CN2312863Y CN 2312863 Y CN2312863 Y CN 2312863Y CN 97206633 CN97206633 CN 97206633 CN 97206633 U CN97206633 U CN 97206633U CN 2312863 Y CN2312863 Y CN 2312863Y
- Authority
- CN
- China
- Prior art keywords
- brake
- lock arm
- pull bar
- arm
- bicycle
- 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
Links
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model discloses a cantilever brake for a bicycle, which has simple structure, and particularly the resetting structure of a brake arm is improved. The resetting operation and the rotating operation of the brake arm are realized by pulling and releasing a spring pulling rod movably connected with the brake arm through a braking wire.
Description
The utility model relates to a kind of bicycle cantilever brake.
Existing bicycle cantilever brake is made up of the stay cord that brake rubber block, lock arm, lock arm returning spring and tractive lock arm rotate, wherein two springs lay respectively on the left and light brake arm bolster, axle bush and axle sleeve are arranged inside and outside the spring, and the two ends of spring are linked up with respectively and are being welded on the bolster of sticking before or after the vehicle frame and lock arm.But such cantilever brake structurally, and particularly its lock arm answer structure is still too complicated, thereby has also just increased unnecessary manufacturing cost.
The purpose of this utility model proposes exactly that a kind of structure is simpler, and parts reduce relatively, thereby make manufacturing cost bicycle cantilever brake still less.
The implementation method of the utility model purpose is: the stay cord that will be intended to tractive lock arm originally changes the spring pull bar into, and pull bar both sides and left and light brake arm promptly are used for replacing the lock arm answer structure of original relative complex for flexibly connecting by the elastic force of spring pull bar.Its principle of work is: 1. when the spring pull bar is subjected to the brake cable tractive, and the effect that it plays tractive lock arm and makes it to rotate, in this simultaneously, the both sides of spring pull bar are forced to close to the inside owing to the angle of pull bar and lock arm changes.2. when brake cable was loosened, the both sides of spring pull bar outwards flicked, thereby the left and light brake arm is resetted.
The utility model has the advantages that: structure is advantages of simple more, has especially simplified the answer structure of lock arm, has reduced parts, thereby has reduced manufacturing cost, also has advantage easy for installation in addition.
Accompanying drawing is the diagrammatic sketch of example of the present utility model.The two ends of its medi-spring pull bar 5 flexibly connect with left and light brake arm 1,4 respectively, and the centre of spring pull bar 5 joins by connecting strap 6 and brake cable 7.
The scheme that the spring pull bar of indication is not limited in the example to be proposed in the utility model, it can also be designed to more simple V-shape spring pull bar or other similar type.
Claims (2)
1. one kind comprises brake rubber block, lock arm, reaches in order to the rotation of tractive lock arm and makes the lock arm reply the bicycle cantilever brake of parts, it is characterized in that: is a spring pull bar (5) in order to tractive lock arm with the parts that the lock arm is replied, the two ends of this spring pull bar (5) join with left and light brake arm (1), (4) respectively, and the centre at two ends and brake cable (7) are joined.
2. according to the described bicycle cantilever brake of claim 1., it is characterized in that: spring pull bar (5) is flexible connection with left and light brake arm (1), (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97206633 CN2312863Y (en) | 1997-02-28 | 1997-02-28 | Cantilever brake of bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97206633 CN2312863Y (en) | 1997-02-28 | 1997-02-28 | Cantilever brake of bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2312863Y true CN2312863Y (en) | 1999-04-07 |
Family
ID=33926583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97206633 Expired - Fee Related CN2312863Y (en) | 1997-02-28 | 1997-02-28 | Cantilever brake of bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2312863Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112298430A (en) * | 2020-11-17 | 2021-02-02 | 赵乐 | Electric motor car turns to device |
-
1997
- 1997-02-28 CN CN 97206633 patent/CN2312863Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112298430A (en) * | 2020-11-17 | 2021-02-02 | 赵乐 | Electric motor car turns to device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |