CN2140871Y - Variable-speed bicycle chain guard - Google Patents
Variable-speed bicycle chain guard Download PDFInfo
- Publication number
- CN2140871Y CN2140871Y CN 92219850 CN92219850U CN2140871Y CN 2140871 Y CN2140871 Y CN 2140871Y CN 92219850 CN92219850 CN 92219850 CN 92219850 U CN92219850 U CN 92219850U CN 2140871 Y CN2140871 Y CN 2140871Y
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- CN
- China
- Prior art keywords
- chain
- guard
- variable
- 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 - Lifetime
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Abstract
The utility model provides a variable-speed bicycle chain guard which solves the problem that the skirt and the trouser of the bicyclers are easily stained by the motor oil of the chain and the chain wheel and are easily snapped by the chain and the chain wheel because that the existing various variable-speed bicycles have no chain boxes. The utility model is mainly composed of a chain wheel guard plate, a chain protection, a V-shaped support frame and a fixed clamp and is arranged on the frame of the chain wheel. The utility model has the advantages of simple structure, easy assembly and good effect, which can be used in various variable-speed bicycles with characteristic of preventing the skirt and the trouser from staining and snapping.
Description
The utility model relates to a kind of bicycle accessories, especially the chain guard of using on the variable speed bicycle.
At present, to superior lighting development, light derailleur is all the fashion for bicycle.But because the hinge wheel of variable speed bicycle all is a multiple-chain gear wheel, for all uneasy chain cover of the needs of speed change.Like this, sprocket wheel and chain all expose outside, and consequently the machine oil on sprocket wheel and the chain is smeared on cyclist's the bottom of s trouser leg often.The most serious is that cyclist's the bottom of s trouser leg and skirt are bitten by sprocket wheel through regular meeting, are not to tear divided skirt the cyclist is fallen down, and cause the accident owing to there is not the protection of chain cover.With regard to the present way that does not also have the people this problem to be proposed solve.
The purpose of this utility model provides the chain guard that a kind of variable speed bicycle is used, and puts the oil on the trousers skirt and tears the generation of divided skirt accident to prevent the sprocket chain bar.
The purpose of this utility model realizes in the following manner, above the sprocket wheel of variable speed bicycle and chain a chain gear guard board is installed all, and the chain guard that chain-guard and V-shaped rest are formed is with protection divided skirt discord sprocket wheel, chain contact.
Figure of description is a structural representation of the present utility model.
With reference to Figure of description the utility model is described in detail.
Chain guard for speed-changeable bicycle of the present utility model is by chain gear guard board (1), chain-guard (3), V-shaped rest (2) and fixation clamp (4) form, chain gear guard board (1) and chain-guard (3) are fixed on the upper end of V-shaped rest (2), and the lower end of V-shaped rest (2) is fixed on the vehicle frame (5) by fixation clamp (4). Wherein, chain gear guard board (1) is Arc is positioned at the top of sprocket wheel (8), and the cross section of chain-guard (3) is triangle, is positioned at the top of chain (7), and accompanying drawing middle sprocket (8) represents with broken circle, the solid line circle on the chain of speed-changing bicycle with decoration protection plate (6).
Embodiment:
Shown in the by specification accompanying drawing, chain gear guard board and chain-guard are fixed on the upper end of V-shaped rest, the lower end is fixed on the vehicle frame by clamp, in the time of by bike, because the protection of original protection plate on chain gear guard board and chain-guard and the sprocket wheel is arranged, cyclist's the bottom of s trouser leg and skirt just can not stain machine oil, can not bitten by wheel yet.
Chain guard for speed-changeable bicycle of the present utility model can solve well existing multi-speed bicycle and easily make the problem of being stained with greasy dirt and being bitten divided skirt by sprocket wheel on cyclist's divided skirt because of no chain cover. Have simple in structurely, be easy to install, the advantage such as easy to use has good use value.
Claims (2)
1, variable speed bicycle chain guard comprises: chain gear guard board, chain-guard, V-shaped rest and fixation clamp, it is characterized in that chain gear guard board and chain-guard are fixed on the upper end of V-shaped rest, and the lower end of V-shaped rest is fixed on the vehicle frame by fixation clamp.
2, bicycle chain according to claim 1 is characterized in that: chain gear guard board is an arc, is positioned at the top of sprocket wheel, and chain-guard is a triangle, is positioned at the top of chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92219850 CN2140871Y (en) | 1992-09-28 | 1992-09-28 | Variable-speed bicycle chain guard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92219850 CN2140871Y (en) | 1992-09-28 | 1992-09-28 | Variable-speed bicycle chain guard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2140871Y true CN2140871Y (en) | 1993-08-25 |
Family
ID=33767009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92219850 Expired - Lifetime CN2140871Y (en) | 1992-09-28 | 1992-09-28 | Variable-speed bicycle chain guard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2140871Y (en) |
-
1992
- 1992-09-28 CN CN 92219850 patent/CN2140871Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |