CN2334949Y - Ratchet backstop gear disc - Google Patents
Ratchet backstop gear disc Download PDFInfo
- Publication number
- CN2334949Y CN2334949Y CN 97230652 CN97230652U CN2334949Y CN 2334949 Y CN2334949 Y CN 2334949Y CN 97230652 CN97230652 CN 97230652 CN 97230652 U CN97230652 U CN 97230652U CN 2334949 Y CN2334949 Y CN 2334949Y
- Authority
- CN
- China
- Prior art keywords
- chain
- utility
- model
- gear disc
- crank
- 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
Images
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- Gears, Cams (AREA)
Abstract
The utility model relates to a gear disc with a ratchet pawl, which is used for bicycles, especially gear varying vehicles. The utility model is formed by that a toothless fly wheel 3 is additionally arranged between a chain wheel 1 and a crank 2. The utility model has the advantage that the utility model stops the chain return to prevent the phenomenon of 'chain fall' and 'chain ride'.
Description
The utility model relates to a kind of ratchet pawl fluted disc, and it is adapted at bicycle, particularly uses on the multi-speed bicycle.
At present, the fluted disc on the bicycle (comprising multi-speed bicycle) is when backward rotation, and chain is backward thereupon also, occurs easily taking off on the chain phenomenon, particularly multi-speed bicycle, causes " riding chain " because of chain draws easilier.
The utility model provides a kind of ratchet pawl fluted disc, and it can overcome the deficiencies in the prior art.
The utility model is achieved in that between the sprocket wheel of existing fluted disc and crank an anodontia flywheel is set.
The utility model is compared with prior art stopped the advantage that jack overcomes " taking off chain ", " riding chain " phenomenon thereby have.
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is a structural representation of the present utility model.
As shown in Figure 1, anodontia flywheel 3 is installed between sprocket wheel 1 and crank 2, is had ratchet pawl in this is anodontia flywheel 3.During work,, change before driving chain by anodontia flywheel 3, sprocket wheel 1 when crank 2 is just changeing; When crank 2 counter-rotatings, because anodontia flywheel 3 has ratchet pawl, crank 3 can not drive anodontia flywheel 3 and can only dally, thereby has avoided the chain counter-rotating, overcomes " taking off chain ", " riding chain " phenomenon of causing because of the not smooth face of chain counter-rotating.
Claims (2)
1, a kind of ratchet pawl fluted disc has sprocket wheel 1 and crank 2, it is characterized in that being equipped with between sprocket wheel 1 and crank 2 anodontia flywheel 3.
2, ratchet pawl fluted disc according to claim 1 is characterized in that anodontia flywheel 3 has ratchet pawl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97230652 CN2334949Y (en) | 1997-12-18 | 1997-12-18 | Ratchet backstop gear disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97230652 CN2334949Y (en) | 1997-12-18 | 1997-12-18 | Ratchet backstop gear disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2334949Y true CN2334949Y (en) | 1999-08-25 |
Family
ID=33943103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97230652 Expired - Fee Related CN2334949Y (en) | 1997-12-18 | 1997-12-18 | Ratchet backstop gear disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2334949Y (en) |
-
1997
- 1997-12-18 CN CN 97230652 patent/CN2334949Y/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 |