CN2695568Y - Locking mechanism of U-shaped lock for bicycle - Google Patents
Locking mechanism of U-shaped lock for bicycle Download PDFInfo
- Publication number
- CN2695568Y CN2695568Y CN 200420026699 CN200420026699U CN2695568Y CN 2695568 Y CN2695568 Y CN 2695568Y CN 200420026699 CN200420026699 CN 200420026699 CN 200420026699 U CN200420026699 U CN 200420026699U CN 2695568 Y CN2695568 Y CN 2695568Y
- Authority
- CN
- China
- Prior art keywords
- lock
- lock core
- locating
- lock ring
- locking mechanism
- 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
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- Lock And Its Accessories (AREA)
Abstract
The utility model relates to a locking mechanism of a U-shaped lock for a bicycle, comprising a lock core frame, a lock core, a lock ring and a lock ring extension spring. The lock core is movably assembled in the lock core frame. A torsion spring which provides the lock core to reset by rotating is connected between the lock core frame and the lock core. The side wall of the lock core is provided with a notch groove and two locating faces. The lock ring is provided with a locating groove. A locating steel ball is arranged between the lock core frame and the lock ring. The locating steel ball is respectively cooperated with the notch groove, the two locating faces and the locating groove. The utility model overcomes the defect of a rough structure, a dumb reset of the lock ring and lower reliability of a common locking mechanism of a U-shaped lock for a bicycle. Through the detailed design, The reset of the lock ring is more flexible in the mode of steel ball point contacting. The utility model has the advantages of a simple and compact structure, strong reliability and safe use.
Description
Affiliated technical field
The utility model relates to a kind of bicycle horseshoe lock locking mechanism.
Background technology
Traditional bicycle horseshoe lock locking mechanism, its structure is all more coarse, and the return of lock ring is not too flexible, and reliability is lower, and the phenomenon that lock ring can drop in the traveling process of bicycle is brought out traffic accident easily, has a strong impact on cyclist's safety.
Summary of the invention
For the return of the rustic that overcomes ordinary bicycle horseshoe lock locking mechanism in the prior art, lock ring dumb, the problem that reliability is lower, the utility model provides a kind of bicycle horseshoe lock locking mechanism, the compact conformation of this bicycle horseshoe lock locking mechanism, flexible, the good reliability of switching.
The technical scheme that its technical problem that solves the utility model adopts is: comprise lock core frame, lock core, lock ring and lock ring extension spring, the lock core activity is assemblied in the lock core frame, between lock core frame and lock core, connect torsion spring for the lock core spinning reduction, the sidewall of lock core is provided with gap slot and two locating surfaces, lock ring is provided with locating slot, between lock core frame and the lock ring positioning ball is set, positioning ball matches with gap slot, two locating surfaces and locating slot respectively.
On the opening and closing position of lock ring, locating slot is set respectively.
Be provided with perforate on the lock core frame, positioning ball passes perforate, matches with gap slot, two locating surfaces and locating slot.
The utility model is by above-mentioned specific design, the return that makes lock ring in the mode of steel ball point contact more flexibly, have simple and compact for structure, good reliability, an advantage safe in utilization.
Description of drawings
Below in conjunction with drawings and Examples detailed content of the present utility model is described.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1.
As shown in the figure, the utility model comprises lock core frame 1, lock core 2, lock ring 3 and lock ring extension spring 4, lock core 2 activities are assemblied in the lock core frame 1, between lock core frame 1 and lock core 2, connect torsion spring 5 for lock core 2 spinning reductions, the sidewall of lock core 2 is provided with gap slot 6 and two locating surfaces, lock ring 3 is provided with locating slot 7, between lock core frame 1 and the lock ring 3 positioning ball 8 is set, and positioning ball 8 matches with gap slot 6, two locating surfaces and locating slot 7 respectively.On the opening and closing position of lock ring 3 locating slot 7A, 7B are set respectively, are provided with perforate 9 on lock core frame 1, positioning ball 8 passes perforate 9, matches with gap slot 6, two locating surfaces and locating slot 7.When unblanking, by key 10 rotational lock cores 2, positioning ball 8 is headed in the gap slot 6 on the lock core 2 by lock ring 3, and separate with locating slot 7B, lock ring 3 is drawn in the lock body 11 by lock ring extension spring 4, after lock was opened, positioning ball 8 was fastened under the compressing of locating surface among the locating slot 7A on the lock ring 3, makes lock ring 3 location.
Claims (3)
1, a kind of bicycle horseshoe lock locking mechanism, comprise lock core frame, lock core, lock ring and lock ring extension spring, the lock core activity is assemblied in the lock core frame, it is characterized in that: between lock core frame (1) and lock core (2), connect torsion spring (5) for lock core (2) spinning reduction, the sidewall of lock core (2) is provided with gap slot (6) and two locating surfaces, lock ring (3) is provided with locating slot (7), between lock core frame (1) and the lock ring (3) positioning ball (8) is set, positioning ball (8) matches with gap slot (6), two locating surfaces and locating slot (7) respectively.
2, bicycle horseshoe lock locking mechanism according to claim 1 is characterized in that: locating slot (7A, 7B) is set respectively on the opening and closing position of lock ring (3).
3, bicycle horseshoe lock locking mechanism according to claim 1 and 2 is characterized in that: be provided with perforate (9) on lock core frame (1), positioning ball (8) passes perforate (9), matches with gap slot (6), two locating surfaces and locating slot (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420026699 CN2695568Y (en) | 2004-04-26 | 2004-04-26 | Locking mechanism of U-shaped lock for bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420026699 CN2695568Y (en) | 2004-04-26 | 2004-04-26 | Locking mechanism of U-shaped lock for bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2695568Y true CN2695568Y (en) | 2005-04-27 |
Family
ID=34771362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420026699 Expired - Fee Related CN2695568Y (en) | 2004-04-26 | 2004-04-26 | Locking mechanism of U-shaped lock for bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2695568Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948678A (en) * | 2017-02-22 | 2017-07-14 | 宁波生久柜锁有限公司 | Bicycle lock |
-
2004
- 2004-04-26 CN CN 200420026699 patent/CN2695568Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948678A (en) * | 2017-02-22 | 2017-07-14 | 宁波生久柜锁有限公司 | Bicycle lock |
| CN106948678B (en) * | 2017-02-22 | 2019-04-23 | 宁波生久柜锁有限公司 | Bicycle lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050427 Termination date: 20120426 |