CN2240577Y - Bicycle front forks theft-proof lock - Google Patents
Bicycle front forks theft-proof lock Download PDFInfo
- Publication number
- CN2240577Y CN2240577Y CN 95224227 CN95224227U CN2240577Y CN 2240577 Y CN2240577 Y CN 2240577Y CN 95224227 CN95224227 CN 95224227 CN 95224227 U CN95224227 U CN 95224227U CN 2240577 Y CN2240577 Y CN 2240577Y
- Authority
- CN
- China
- Prior art keywords
- lock
- front fork
- bicycle
- bar
- bicycle front
- 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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- Steering Devices For Bicycles And Motorcycles (AREA)
Abstract
The utility model relates to a theft-proof lock for front forks of bicycles, which comprises a lock body, a lock sleeve, a lock core, a vertical tube of a tripod of a bicycle, a vertical tube of a front fork of a bicycle and a horizontal tube of a front fork of a bicycle, wherein, the horizontal tube of the front fork of a bicycle is connected with the vertical tube of the front fork of a bicycle. The utility model is characterized in that the lock sleeve and the lock core are arranged in the horizontal tube of the front fork of a bicycle, a lock hole is arranged in the vertical tube of the tripod of the bicycle, and the lock body is fixed in the vertical tube of the front fork. Thereby, a hidden anti-theft lock for the front forks of the bicycles is formed. The utility model has the characteristics of unique structure, remote possibility of stealing, good theft-proof effect, economy, practicability, convenient use and no bicycle appearance influence.
Description
The utility model relates to a kind of bicycle front fork theftproof lock.
Existing anti-theft lock for bicycle is arranged at the bicycle outside, is used to pin bicycle wheel, but because outside lock is exposed to, and is easily prized or stolen, and the car owner is suffered a loss.
The utility model has problems at existing anti-theft lock for bicycle, and its purpose is: antitheft, pick-proof Front fork lock that a kind of hidden-type is provided.
The utility model is owing to be arranged at lock tube and lock stamen in the bicycle front fork transverse tube, lockhole is arranged in the bicycle tripod standpipe, lock body is fixed in the bicycle front fork standpipe, thereby form a hidden anti-theft lock for bicycle, it have be difficult for stolen, prized, anti-theft effect uniqueness, applicability more by force, do not influence bicycle outward appearance, characteristics easy to use.
Fig. 1 is main TV structure figure of the present utility model.
Fig. 2 is the sectional view of Fig. 1 along the B-B direction.
Fig. 3 is the sectional view of Fig. 1 along the A-A direction.
Fig. 4 is that Fig. 2 is along C-C direction sectional view.
Fig. 5 and Fig. 6 are user mode figure of the present utility model.
Shown by reference numeral is: 1, vertical tube of front fork 2, front fork transverse tube 3, lock body 4, lock tube 5, lock stamen 6, groove 7, dead bolt 8, hole 9, just silk 10, shifting block 11, spring 12, bar 13, rotating shaft 14, bar 15, pull bar 16, depression bar 17, keyhole 18, tripod standpipe (in be provided with lockhole) 19, groove 20, through hole 21, hole
Now 1-6 is described in detail the utility model in conjunction with the accompanying drawings.
The utility model comprises lock body 3, lock tube 4, lock stamen 5, bicycle tripod standpipe 18, bicycle front fork standpipe 1 and the bicycle front fork transverse tube 2 that is attached thereto, lock tube 4 and lock stamen 5 are placed in the bicycle front fork transverse tube 2, lockhole is arranged in the bicycle tripod standpipe 18, lock body 3 is fixed in the bicycle front fork standpipe 1, upper vertical at lock body 3 is opened a groove 6 in the lock body direction of axis line, it is built-in with one can be along the dead bolt 7 of groove slip, one end of dead bolt 7 is corresponding to having a hole 8 on the bicycle front fork standpipe 1, the other end of dead bolt 7 has a groove 19, be placed with steel wire 9 in it, the pulling block 10 that the other end of steel wire 9 and has a through hole 20 is fixedlyed connected, the bottom of shifting block 10 is connected with a spring 11, the other end of shifting block 10 is connected with bar 12 by hinge, the other end of bar 12 is connected with an end of bar 14 by being hinged, the middle part of bar 14 links to each other with a pull bar 15 by hinge, and the other end is connected with lock body 3 by rotating shaft 13.The bottom of pull bar 15 is provided with a depression bar 16 that is parallel to front fork transverse tube 2 axial lines.The front end that is positioned at the lock stamen 5 on depression bar 16 next doors is half garden shape.The middle upper portion of lock tube 4 has a hole 21.Among the figure: 17-keyhole, 13-rotating shaft.
During use, key is inserted in the keyhole 17,90 degree move in the direction of the clock, lock stamen 5 this moment under the drive of key, its front end rotates around axial line, contact gradually, depression bar 16 on the compressing pull bar 15 moves downward, under the effect that pull bar 15 moves downward, bar 14 is that counterclockwise rotate at the center with the rotating shaft 13 of being fixed on the lock body 3, and bar 14 drives bar 12 and moves downward, bar 12 drives shifting block 10 again around the shaft 13 by counterclockwise rotating, 11 on the spring that is connected on the shifting block 10 constantly is stretched, and is fixed in firm silk 9 on the pulling block 10 and then promotes dead bolt 7 and outwards move, arrives at last in the interior lockhole of the outer tripod standpipe of vertical tube of front fork 1 18, at this moment, the fixed-site of front fork and tripod can not freely be rotated, behind the dial-out key, whole system remains unchanged, and reaches the purpose of pinning halter.When unblanking, key is inserted in the keyhole 17, by counterclockwise rotating 90 degree, at this moment, the front end of lock stamen 5 leaves the depression bar 16 of pull bar 15 gradually, till leaving, like this, pull bar loses the active force that moves downward, under the effect of spring 11 convergent forces, shifting block 10 moves in the direction of the clock, and then just silk 9 and pull bar 12 are synchronized with the movement; Bar 14 is under the effect of bar 12, move in the direction of the clock, drive pull bar 15 and move upward, dead bolt 7 is motion inwards under the effect of firm silk 9, enter in the hole 8 on the vertical tube of front fork 1, so far, under spring 11 convergent force effects, make whole system return to original state, make the position of front fork and tripod no longer fixing, like this, halter is then free to rotate, is convenient to ride.
Claims (4)
1, a kind of bicycle front fork theftproof lock, it comprises lock body 3, lock tube 4, lock stamen 5, bicycle tripod standpipe 18, bicycle front fork standpipe 1 and the bicycle front fork transverse tube 2 that is attached thereto, it is characterized in that: lock tube 4 and lock stamen 5 are placed in the bicycle front fork transverse tube 2, lockhole is arranged in the bicycle tripod standpipe 18, lock body 3 is fixed in the bicycle front fork standpipe 1, be fixed with rotating shaft 13 at lock body 3 middle parts, and on lock body 3, open a groove 6 perpendicular to the lock body direction of axis line, it is built-in with one can be along the dead bolt 7 of groove slip, one end of dead bolt 7 is corresponding to having a hole 8 on the bicycle front fork standpipe, the other end of dead bolt 7 has a groove 19, be placed with steel wire 9 in it, the shifting block 10 that the other end of steel wire 9 and has a through hole 20 is fixedlyed connected, the bottom of shifting block 10 is connected with a spring 11, the other end of shifting block 10 is connected with bar 12 by hinge, the other end of bar 12 is connected with an end of bar 14 by being hinged, bar 14 links to each other with a pull bar 15 by hinge, and the other end of bar 14 is connected with lock body 3 by another rotating shaft 13.
2, by the described bicycle front fork theftproof lock of claim 1, it is characterized in that: the bottom of pull bar 15 is provided with a depression bar 16 that is parallel to front fork transverse tube 2 axial lines.
3, by the described bicycle front fork theftproof lock of claim 1, it is characterized in that; The front end that is positioned at the lock stamen 5 on depression bar 16 next doors is half garden shape.
4, by the described bicycle front fork theftproof lock of claim 1, it is characterized in that: the middle upper portion of lock tube 4 has a hole 21.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95224227 CN2240577Y (en) | 1995-10-03 | 1995-10-03 | Bicycle front forks theft-proof lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95224227 CN2240577Y (en) | 1995-10-03 | 1995-10-03 | Bicycle front forks theft-proof lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2240577Y true CN2240577Y (en) | 1996-11-20 |
Family
ID=33871094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95224227 Expired - Fee Related CN2240577Y (en) | 1995-10-03 | 1995-10-03 | Bicycle front forks theft-proof lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2240577Y (en) |
-
1995
- 1995-10-03 CN CN 95224227 patent/CN2240577Y/en not_active Expired - Fee Related
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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 |