CN108263515B - Anti-theft device for bicycle - Google Patents
Anti-theft device for bicycle Download PDFInfo
- Publication number
- CN108263515B CN108263515B CN201810245774.9A CN201810245774A CN108263515B CN 108263515 B CN108263515 B CN 108263515B CN 201810245774 A CN201810245774 A CN 201810245774A CN 108263515 B CN108263515 B CN 108263515B
- Authority
- CN
- China
- Prior art keywords
- ratchet
- ratchet wheel
- seat
- pawl
- pedal
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
- B62H5/00—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles
- B62H5/08—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles preventing the drive
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Steering Devices For Bicycles And Motorcycles (AREA)
- Lock And Its Accessories (AREA)
Abstract
The bicycle antitheft device comprises a group of ratchet mechanisms which are arranged on a pedal center shaft at a bicycle frame and are opposite to a pedal large flywheel, wherein each ratchet mechanism comprises a ratchet wheel, a ratchet wheel seat, two pawls, a lock body, a lock cylinder shifting block and a ratchet seat cover; the ratchet wheel seat is fixed on the frame and is of a hollow structure, the two pawls are symmetrically arranged in the ratchet wheel seat, one end of the two pawls is connected with the ratchet wheel seat and can swing freely, and the other end of the two pawls is provided with more than one ratchet tooth and is provided with a reset spring which is connected with the inside of the ratchet wheel seat; the ratchet seat cover is fixedly covered on the ratchet seat, the lock body is arranged on the ratchet seat cover, and the lock cylinder shifting block is positioned between the two pawls; the ratchet wheel is fixedly sleeved at the left end of the pedal middle shaft and is immovable; the ratchet seat is arranged at the periphery of the ratchet wheel and is coaxial with the ratchet wheel. The bicycle lock is of an integrated structure with the bicycle, is hidden as a whole, does not occupy extra space, and can be matched with the existing external lock for use to achieve a better anti-theft effect.
Description
Technical Field
The invention relates to the technical field of bicycle theft prevention, in particular to a bicycle theft prevention device.
Background
The bicycle has the advantages of no noise, no pollution, light weight, simple structure, high quality, low price and convenient use and maintenance, and can be used as a tool for riding instead of walk and carrying goods and also can be used for physical exercise. The bicycle is a large-quantity bicycle, and the bicycle is stolen sometimes, so the bicycle theft prevention is always a great problem. Currently, most bicycles use external lock devices such as a chain and a U-shaped lock to prevent theft. The locks are mostly external, are very easy to be pried or damaged by a thief, and have weak anti-theft performance.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an internal anti-theft device for a bicycle based on the prior lockset, and the specific technical scheme is as follows:
the bicycle antitheft device comprises a group of ratchet mechanisms which are arranged on a pedal middle shaft at a bicycle frame and are opposite to a pedal big flywheel; comprises a lock body ratchet seat cover, a ratchet seat, a ratchet wheel, a pawl, two pawls and a lock cylinder shifting block;
the ratchet wheel seat is fixed on the frame and is of a hollow structure, the first pawl and the second pawl are symmetrically arranged in the ratchet wheel seat, one end of the first pawl and the second pawl are connected with the ratchet wheel seat and can swing freely, and the other end of the first pawl and the second pawl are provided with more than one ratchet teeth and are respectively and correspondingly provided with a reset spring and two reset springs which are connected with the inside of the ratchet wheel seat;
the ratchet seat cover is fixedly covered on the ratchet seat, the middle part of the ratchet seat cover is sleeved at the left end of the pedal middle shaft and has a certain space with the pedal middle shaft so that the pedal middle shaft can rotate in the pedal middle shaft;
the lock body is arranged on the ratchet seat cover, and the lock cylinder shifting block is positioned between the first pawl and the second pawl;
the ratchet wheel is fixedly sleeved at the left end of the pedal middle shaft and is immovable; the ratchet seat is arranged on the periphery of the ratchet wheel and is coaxial with the ratchet wheel.
Further, the left end of the pedal middle shaft is provided with a cube structure, and the middle part of the ratchet wheel is provided with a square hole matched with the cube and sleeved on the cube; a spring retainer ring is arranged on the left side of the ratchet wheel to prevent the ratchet wheel from moving left and right.
The beneficial effects are that:
the bicycle lock is integrally arranged in the bicycle and matched with an external lock when in use, and even if the external lock of the bicycle is damaged, the bicycle can not be used due to the fact that the bicycle pedal center shaft is locked by the bicycle lock, so that the anti-theft effect is better.
Drawings
FIG. 1 is an overall assembly view of the present invention
FIG. 2 is an axial cross-sectional view of the overall assembly of the present invention
FIG. 3 is a diagram of the internal structure of the present invention
FIG. 4 is an axial cross-sectional view of another integral assembly of the present invention
FIG. 5 is a diagram showing the connection of the pedal big flywheel and the rear flywheel of the present invention
In the figure: 1 pedal center shaft, 2 lock body, 3 ratchet seat cover, 4 ratchet seat, 5 ratchet, 6 pawl, 7 lock cylinder shifting block, 8 two pawls, 9 return spring, 10 two return springs, 11 pedal big flywheel, 12 back flywheel 13 spring retainer ring
Detailed Description
The technical scheme of the invention is further specifically described below by means of embodiments and with reference to the accompanying drawings, wherein the terms "left" and "right" in the claims, the description and the like of the invention refer to the same orientation as the human body or the orientation shown in the drawings during the riding process of the bicycle; while "horizontal" and "vertical" refer to orientations of the bicycle relative to the ground when standing normally.
As shown in fig. 1 and 2, the anti-theft device for a bicycle of the invention comprises a group of ratchet mechanisms, wherein the outer structure of each ratchet mechanism comprises a lock body 2, a ratchet seat cover 3, a ratchet seat 4 and a ratchet wheel 5, the ratchet mechanisms are integrally sleeved on a pedal center shaft 1, the ratchet seat 4 is fixedly arranged on a bicycle frame, the inside of the ratchet seat 4 is of a hollow structure, and the ratchet wheel 5 is positioned in the ratchet seat 4.
The ratchet seat cover 3 is fixedly covered on the ratchet seat 4, and the lock body 2 is arranged on the ratchet seat cover 3. The middle part of the ratchet seat cover 3 is provided with an opening corresponding to the pedal middle shaft 1, and a certain space is reserved between the ratchet seat cover and the pedal middle shaft 1, so that the pedal middle shaft 1 can freely rotate in the opening.
The ratchet wheel 5 is fixedly sleeved on the pedal middle shaft 1 and can not move.
As shown in fig. 3, a pawl 6 and two pawls 8 are disposed in the ratchet seat 4, one ends of the pawl 6 and the two pawls 8 are connected to the inner wall of the ratchet seat 4 and can swing freely, and the other ends are provided with more than one ratchet. The ratchet seat 4 is internally provided with a return spring 9 and two return springs 10, one ends of the return spring 9 and the two return springs 10 are fixed on the inner wall of the ratchet seat 4, and the other ends are respectively connected with the pawl 6 and the two pawls 8.
The lock body 2 further comprises a lock cylinder shifting block 7, the lock cylinder shifting block 7 is arranged between the two pawls, when the lock body 2 is inserted into a key and is turned to an opening position, the lock cylinder shifting block 7 is in a horizontal position, and the first pawl 6 and the second pawl 8 can be pushed to enable the first pawl 6 and the second pawl 8 to be separated from the ratchet wheel 5, and at the moment, the pedal center shaft 1 is not limited and can freely rotate, and a bicycle can be ridden.
When the key in the lock body 2 is turned to the locking position, the lock cylinder shifting block 7 is in the vertical position, the first pawl 6 and the second pawl 8 are meshed with the ratchet wheel 5 under the pushing of the first reset spring 9 and the second reset spring 10, and the pedal middle shaft 1 is limited and cannot rotate at the moment, so that the bicycle cannot be ridden.
As shown in fig. 4, in another embodiment of the fixing of the ratchet wheel 5, the left end of the middle shaft 1 of the pedal is provided with a cube structure, and the middle part of the ratchet wheel 5 is provided with a square hole matched with the cube and is sleeved on the cube; a spring retainer ring 13 is arranged on the left side of the ratchet wheel 5 to prevent the ratchet wheel 5 from moving left and right.
As shown in fig. 2 and 5, a pedal big flywheel 11 is fixed on the right side of the pedal middle shaft 1, the left end of the pedal middle shaft 1 is connected with a left pedal connecting rod and a left pedal, and the right end is connected with a right pedal connecting rod and a right pedal. The pedal big flywheel 11 is connected and linked with the rear flywheel through a chain.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A bicycle anti-theft device, comprising a set of ratchet mechanisms;
the ratchet mechanism is arranged on a pedal middle shaft (1) at the frame and is opposite to a pedal big flywheel (11), and comprises a lock body (2), a ratchet seat cover (3), a ratchet seat (4), a ratchet wheel (5), a pawl (6), two pawls (8) and a lock cylinder shifting block (7); the pedal big flywheel (11) is fixedly arranged at one end of the pedal middle shaft (1) and is not movable, and the ratchet wheel (5) is fixedly arranged at the other end of the pedal middle shaft (1) and is not movable;
the ratchet wheel seat (4) is fixed on the frame and is of a hollow structure, the first pawl (6) and the second pawl (8) are symmetrically arranged in the ratchet wheel seat (4), one end of the ratchet wheel seat is connected with the inner wall of the ratchet wheel seat (4) and can swing freely, and the other end of the ratchet wheel seat is provided with more than one ratchet;
one end, far away from the inner wall of the ratchet seat (4), of the first pawl (6) and the second pawl (8) is respectively provided with a return spring (9) and two return springs (10), and one end, far away from the pawl, of the first return spring (9) and the second return spring (10) is connected with the inner wall of the ratchet seat (4);
the lock body (2) comprises a locking position and an unlocking position; when the lock body (2) is in a locking position, the lock cylinder shifting block (7) is in a vertical position, and the one reset spring (9) and the two reset springs (10) push the one pawl (6) and the two pawls (8) to clamp the ratchet wheel (5), so that the bicycle is in a locking state and cannot be ridden; when the lock body (2) is in an opening position, the lock cylinder shifting block (7) is in a horizontal position, the lock cylinder shifting block (7) pushes the first pawl (6) and the second pawl (8) to be separated from the ratchet wheel (5), and the bicycle is in a ridable state.
2. The anti-theft device for bicycles, according to claim 1, characterized in that the ratchet cover (3) is fixedly covered on the ratchet seat (4), the middle part of which is sleeved on the left end of the pedal middle shaft (1) and has a certain space with the pedal middle shaft (1) so that the pedal middle shaft (1) can rotate therein.
3. A bicycle anti-theft device according to claim 2, characterized in that the lock body (2) is arranged on the ratchet cover (3), wherein the lock cylinder shifting block (7) is located between one pawl (6) and two pawls (8).
4. A bicycle anti-theft device according to claim 1, characterized in that the ratchet seat (4) is arranged around the ratchet wheel (5) and coaxially to the ratchet wheel (5).
5. The bicycle anti-theft device according to any one of claims 1 to 4, wherein the left end of the pedal middle shaft (1) is provided with a cube structure, and the middle part of the ratchet wheel (5) is provided with a square hole matched with the cube and is sleeved on the cube; a spring retainer ring (13) is arranged on the left side of the ratchet wheel (5) to prevent the ratchet wheel (5) from moving left and right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810245774.9A CN108263515B (en) | 2018-03-23 | 2018-03-23 | Anti-theft device for bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810245774.9A CN108263515B (en) | 2018-03-23 | 2018-03-23 | Anti-theft device for bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108263515A CN108263515A (en) | 2018-07-10 |
| CN108263515B true CN108263515B (en) | 2024-04-02 |
Family
ID=62775386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810245774.9A Active CN108263515B (en) | 2018-03-23 | 2018-03-23 | Anti-theft device for bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108263515B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1112636A (en) * | 1994-04-26 | 1995-11-29 | 温拿国际罗耶特公司 | Security device |
| CN2235931Y (en) * | 1995-03-07 | 1996-09-25 | 张华国 | Anti-theft device for braking system of motor cycle |
| CN103253322A (en) * | 2012-02-17 | 2013-08-21 | 深圳市协创实业有限公司 | Bicycle spindle anti-theft lock |
| CN205034217U (en) * | 2015-10-13 | 2016-02-17 | 中国石油大学(华东) | Novel bicycle lock |
| CN206615338U (en) * | 2017-04-07 | 2017-11-07 | 上海第二工业大学 | The safety theftproof device reequiped based on bicycle middle shaft |
| CN107499420A (en) * | 2017-09-22 | 2017-12-22 | 东峡大通（北京）管理咨询有限公司 | The car locking equipment and bicycle of a kind of bicycle |
| CN208411925U (en) * | 2018-03-23 | 2019-01-22 | 黄冈师范学院 | A kind of theft-proof device for bicycle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009228306A (en) * | 2008-03-24 | 2009-10-08 | Aisin Kiko Co Ltd | Electric door latch device |
-
2018
- 2018-03-23 CN CN201810245774.9A patent/CN108263515B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1112636A (en) * | 1994-04-26 | 1995-11-29 | 温拿国际罗耶特公司 | Security device |
| CN2235931Y (en) * | 1995-03-07 | 1996-09-25 | 张华国 | Anti-theft device for braking system of motor cycle |
| CN103253322A (en) * | 2012-02-17 | 2013-08-21 | 深圳市协创实业有限公司 | Bicycle spindle anti-theft lock |
| CN205034217U (en) * | 2015-10-13 | 2016-02-17 | 中国石油大学(华东) | Novel bicycle lock |
| CN206615338U (en) * | 2017-04-07 | 2017-11-07 | 上海第二工业大学 | The safety theftproof device reequiped based on bicycle middle shaft |
| CN107499420A (en) * | 2017-09-22 | 2017-12-22 | 东峡大通（北京）管理咨询有限公司 | The car locking equipment and bicycle of a kind of bicycle |
| CN208411925U (en) * | 2018-03-23 | 2019-01-22 | 黄冈师范学院 | A kind of theft-proof device for bicycle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108263515A (en) | 2018-07-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5488844A (en) | Security device | |
| US6595031B2 (en) | Retaining device for personal vehicle with handlebars | |
| US7624605B2 (en) | Combined bicycle pedal and lock | |
| WO2010014603A1 (en) | Locking skewer assembly for securing bikes to rack | |
| US6536246B2 (en) | Retaining device for personal vehicle with handlebars | |
| CN108263515B (en) | Anti-theft device for bicycle | |
| CN208411925U (en) | A kind of theft-proof device for bicycle | |
| CN108297979B (en) | Anti-theft bicycle with changeable functions | |
| CN205524607U (en) | Bicycle of latch fitting is put to frame in -band | |
| CN208411926U (en) | A kind of changeable anti-theft bicycle | |
| CN2483296Y (en) | Quick dismountable luggage carrier of bicycle | |
| CN201291937Y (en) | Anti-theft locking device of vehicle | |
| CN201033601Y (en) | Theftproof lock for bicycle | |
| KR20100138419A (en) | Locking apparatus for bicycle | |
| KR101108648B1 (en) | Burglarproof Device for Bicycle and Bicycle with the same | |
| CN2147159Y (en) | Motor cycle with theft-proof lock | |
| CN203381715U (en) | Bicycle shaft core lock | |
| WO2019218356A1 (en) | Man-drawn vehicle | |
| KR200332139Y1 (en) | locking device for two wheels vehicle | |
| CN2288250Y (en) | Anti-theft lock for automobile wheel | |
| CN2328567Y (en) | Anti-theft bicycle | |
| CN2287107Y (en) | Steer locker of bicycle | |
| CN205554377U (en) | Bicycle tap locking structure | |
| CN2181548Y (en) | Extension theft-proof lock with hooked lock shell for car | |
| CN2181549Y (en) | Hooked extension theft-proof lock for car |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |