CN2781075Y - Bicycle free wheel - Google Patents
Bicycle free wheel Download PDFInfo
- Publication number
- CN2781075Y CN2781075Y CN 200420109481 CN200420109481U CN2781075Y CN 2781075 Y CN2781075 Y CN 2781075Y CN 200420109481 CN200420109481 CN 200420109481 CN 200420109481 U CN200420109481 U CN 200420109481U CN 2781075 Y CN2781075 Y CN 2781075Y
- Authority
- CN
- China
- Prior art keywords
- ratchet
- flywheel body
- bicycle
- utility
- model
- 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
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a bicycle flywheel which is provided with a flywheel body fixedly connected with a bicycle wheel axle, a chain wheel sheathed outside the flywheel body, ratchets arranged on the inner ring of the chain wheel, and three to four ratchet pawls arranged on the flywheel body which is matched with the chain wheel, wherein the ratchet pawls are arranged in a pawl slot arranged in the flywheel body along the radical direction and bottom parts of the ratchet pawls are connected with a compressing spring. The flywheel body and the chain wheel of the utility model are mutually matched by a ratchet wheel and ratchet pawl mechanism. When the utility model is forward ridden, the ratchets of the inner ring of the chain wheel are clamped by the ratchet pawls to drive the bicycle wheel axle to rotate together. When pedals are reversely pedaled, the ratchet pawls are compressed in the pawl slot on the flywheel body to idle. The utility model has the advantages of simple structure and convenient use and maintenance.
Description
Technical field
The utility model relates to a kind of bicycle accessories, particularly a kind of bicycle freewheel.
Background technique
Our modal bicycle freewheel in the prior art, just traditional nut type flywheel, the corresponding increase of volume that this flywheel volume causes driving gear greatly, waste material has increased cost; Its complex structure in addition, rate of fault height, inconvenience maintenance.
Summary of the invention
The technical problems to be solved in the utility model is at the deficiencies in the prior art, has proposed a kind of new bicycle flywheel simple in structure, easy to maintenance.
The technical problems to be solved in the utility model is achieved through the following technical solutions, a kind of bicycle freewheel, it is provided with the flywheel body of fixedlying connected with bicycle shaft, be sleeved on the outer sprocket wheel of flywheel body, be characterized in: the inner ring of sprocket wheel is provided with ratchet, the flywheel body that cooperates with sprocket wheel is provided with three to four ratchets, and ratchet is located in the pawl groove of the radially setting on the flywheel body, and the ratchet bottom is connected with pressure spring.
The utility model is compared with prior art worked in coordination by ratchet and pawl arrangement between flywheel body and the sprocket wheel, and when riding forward, ratchet blocks the ratchet of sprocket wheel inner ring, then drives bicycle shaft and rotates together; When oppositely stepping foot treadle, ratchet is compressed in the pawl groove on the flywheel body, realizes idle running.The utility model is simple in structure, uses easy to maintenance.
Description of drawings
Fig. 1 is a structure diagram of the present utility model.
Fig. 2 is that the A-A of Fig. 1 is to sectional view.
Embodiment
A kind of bicycle freewheel, it is provided with the flywheel body 1 of fixedlying connected with bicycle shaft, be sleeved on the sprocket wheel 4 outside the flywheel body 1, the inner ring of sprocket wheel 4 is provided with ratchet 2, the flywheel body 1 that cooperates with sprocket wheel 4 is provided with ratchet 3, ratchet 3 is located in the pawl groove of the radially setting on the flywheel body 1, and ratchet 3 bottoms are connected with pressure spring 5.Described ratchet 3 can be set to three or four.
Claims (1)
1. bicycle freewheel, it is provided with the flywheel body (1) of fixedlying connected with bicycle shaft, be sleeved on the outer sprocket wheel (4) of flywheel body (1), it is characterized in that: the inner ring of sprocket wheel (4) is provided with ratchet (2), the flywheel body (1) that cooperates with sprocket wheel (4) is provided with three to four ratchets (3), ratchet (3) is located in the pawl groove of the radially setting on the flywheel body (1), and ratchet (3) bottom is connected with pressure spring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420109481 CN2781075Y (en) | 2004-12-07 | 2004-12-07 | Bicycle free wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420109481 CN2781075Y (en) | 2004-12-07 | 2004-12-07 | Bicycle free wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2781075Y true CN2781075Y (en) | 2006-05-17 |
Family
ID=36762277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420109481 Expired - Fee Related CN2781075Y (en) | 2004-12-07 | 2004-12-07 | Bicycle free wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2781075Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846146A (en) * | 2010-06-11 | 2010-09-29 | 胡玉林 | Overrunning coupler and speed changer with the same |
| CN102568922A (en) * | 2010-12-30 | 2012-07-11 | 中国船舶重工集团公司第七一三研究所 | Load signal generating mechanism |
| CN105179520A (en) * | 2015-10-09 | 2015-12-23 | 大连华锐重工起重机有限公司 | Ratchet and pawl device for crane |
| CN105508461A (en) * | 2016-02-21 | 2016-04-20 | 上海洲跃生物科技有限公司 | High-load-carrying pin column type overrunning clutch |
| CN108223615A (en) * | 2018-02-23 | 2018-06-29 | 李永耀 | flexible speed change clutch soft start transmission device |
| CN108925525A (en) * | 2018-07-25 | 2018-12-04 | 那艳龙 | A kind of mountain forest river bank is camped with summer mosquito traping and killing equipment |
| CN114587044A (en) * | 2022-03-01 | 2022-06-07 | 朱德文 | A multifunctional buckle machine |
-
2004
- 2004-12-07 CN CN 200420109481 patent/CN2781075Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846146A (en) * | 2010-06-11 | 2010-09-29 | 胡玉林 | Overrunning coupler and speed changer with the same |
| CN101846146B (en) * | 2010-06-11 | 2012-11-07 | 胡玉林 | Overrunning coupler and speed changer with the same |
| CN102568922A (en) * | 2010-12-30 | 2012-07-11 | 中国船舶重工集团公司第七一三研究所 | Load signal generating mechanism |
| CN102568922B (en) * | 2010-12-30 | 2015-02-11 | 中国船舶重工集团公司第七一三研究所 | Load signal generating mechanism |
| CN105179520A (en) * | 2015-10-09 | 2015-12-23 | 大连华锐重工起重机有限公司 | Ratchet and pawl device for crane |
| CN105508461A (en) * | 2016-02-21 | 2016-04-20 | 上海洲跃生物科技有限公司 | High-load-carrying pin column type overrunning clutch |
| CN105508461B (en) * | 2016-02-21 | 2017-10-31 | 上海洲跃生物科技有限公司 | A kind of high-mechanic pin column type freewheel clutch |
| CN108223615A (en) * | 2018-02-23 | 2018-06-29 | 李永耀 | flexible speed change clutch soft start transmission device |
| CN108925525A (en) * | 2018-07-25 | 2018-12-04 | 那艳龙 | A kind of mountain forest river bank is camped with summer mosquito traping and killing equipment |
| CN108925525B (en) * | 2018-07-25 | 2021-03-05 | 佛山市顺德区民益环保服务有限公司 | Summer mosquito trapping and killing equipment for mountain forest river side camping |
| CN114587044A (en) * | 2022-03-01 | 2022-06-07 | 朱德文 | A multifunctional buckle machine |
| CN114587044B (en) * | 2022-03-01 | 2023-10-24 | 朱德文 | Multifunctional dotter |
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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 |