CN2391814Y - Gear wheel specially for speed variator - Google Patents
Gear wheel specially for speed variator Download PDFInfo
- Publication number
- CN2391814Y CN2391814Y CN 99224924 CN99224924U CN2391814Y CN 2391814 Y CN2391814 Y CN 2391814Y CN 99224924 CN99224924 CN 99224924 CN 99224924 U CN99224924 U CN 99224924U CN 2391814 Y CN2391814 Y CN 2391814Y
- Authority
- CN
- China
- Prior art keywords
- gear
- utility
- model
- ratchet wheel
- speed variator
- 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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Abstract
The utility model relates to a gear for special use of a speed variator, which belongs to mechanical parts. The utility model is composed of a gear body, wherein, the outer side of which is provided with gear teeth and an annular inner ratchet, wherein, the inner hole of which is distributed and is provided with ratchets along the periphery direction. The utility model has the advantages of reasonable structure, easy and accurate gear shifting, stable and reliable performance, large transmission power, long service life, etc. Simultaneously, the utility model provides favorable conditions for the success of novel speed variators of gears; the utility model is one of necessary and important parts of the speed variator.
Description
The utility model relates to a kind of dedicated gear of change-speed box, belongs to mechanical component, is one of indispensable vital part of new bicycle gear transmission.
The stepped-wheel type chain variable speed bicycle of Wen Shiing in recent years, obtain young customer's welcome once going on the market, the buyer is numerous, also exposes some parts not fully up to expectations thereupon, not accurate enough sometimes such as the backguy gear shift, cause that performance is stable inadequately, fault rate is high, exposed corrosion wear is big outside; Many disadvantages such as the power that in case the chain releasing shelves are just chaotic and transmit is little, and service life is short; And for example make assembly technology precision prescribed height, do not notice that slightly front and back wheel can not increase resistance on a line.This not only brings inconvenience and worry to the customer, and cause the very big concern of manufacturer, all drop into the new speed-changing mechanism of manpower and materials development, the regrettably speed change core part of Yin Qinei, be that gear also exists certain technical matters still unresolved, therefore, up to the present still find no the report of achieving success.
The purpose of this utility model is to provide a kind of reasonable in design, and gear shift is accurate easily, transferring power is big, stable and reliable for performance, the dedicated gear of the change-speed box of long service life.
The purpose of this utility model is achieved by the following technical solution, and is by its outer gear mass that is provided with the gear teeth, and its endoporus is formed along the circumferential uniform ring-type handle ratchet wheel that has ratchet.
The described gear teeth are straight-tooth.
Described gear mass is a kind of in cylindrical wheel body and the bevel gear body.
Described ring-type handle ratchet wheel is provided in a side of endoporus two ends, centre and an end, a kind of in the double-ring handle ratchet wheel that forms, the monocycle shape handle ratchet wheel.
The utility model compared with prior art, owing to adopted spur gear wheel and straight bevel gear, its endoporus is provided with ring-type handle ratchet wheel version and cooperates with the organic of associated part in the change-speed box, and through evidence advantages such as reasonable in design, gear shift are accurate easily, stable and reliable for performance, transferring power big, long service life is arranged.Also succeed simultaneously an advantage is provided for the new gear change-speed box.
Fig. 1 is a main TV structure scheme drawing of the present utility model.
Fig. 2 is a lateral plan of the present utility model.
Fig. 3 is another embodiment of the present utility model.
Fig. 4, the 5th, the master of the utility model embodiment, side-looking structural representation.
Fig. 6, the 7th, bevel gear embodiment of the present utility model.
Fig. 8, the 9th, the embodiment of the another kind of form of the utility model.
Figure 10, the 11st, embodiment of the present utility model.
Embodiment of the present utility model is described in detail in conjunction with the accompanying drawings, and the outer rim of the gear mass 2 of cylinder is provided with the straight-tooth gear teeth 3, the circumferential uniform ring-type handle ratchet wheel 1 that has ratchet in edge in the middle of its endoporus; The two ends of the endoporus of the gear mass 4 of shown in Figure 3 is cylinder are along the circumferential uniform embodiment that has the double-ring handle ratchet wheel 5 of ratchet; Shown in Fig. 4,5 is that the end of endoporus of gear mass 6 of cylinder is along the circumferential uniform embodiment that has the ring-type handle ratchet wheel 7 of ratchet; Shown in Fig. 6,7 is the embodiment of straight bevel gear of the gear teeth 8 of the gear mass 9 of umbrella, and an end of its endoporus is along the circumferential uniform ring-type handle ratchet wheel 10 that has ratchet; Shown in Fig. 8,9 is the circumferential uniform embodiment that has the ring-type handle ratchet wheel 12 of ratchet in the middle edge of endoporus of the gear mass 11 of umbrella; Shown in Figure 10,11 is the circumferential uniform embodiment that has the double-ring handle ratchet wheel 14 of ratchet in edge, endoporus two ends of the gear mass 13 of umbrella.
Claims (4)
1, a kind of dedicated gear of change-speed box, it is characterized in that by its outer gear mass (2), (4), (6), (9), (11), (13) that are provided with the gear teeth (3), (8) its endoporus is formed along circumferential uniform ring-type handle ratchet wheel (1), (5), (7), (10), (12), (14) that have ratchet.
2, gear according to claim 1 is characterized in that the described gear teeth (3), (8) are straight-tooth.
3, gear according to claim 1 is characterized in that described gear mass (2), (4), (6), (9), (11), (13) are a kind of in cylindrical wheel body and the bevel gear body.
4, gear according to claim 1, it is characterized in that described ring-type handle ratchet wheel (1), (5), (7), (10), (12), (14) are provided in a side of endoporus two ends, centre and an end, a kind of in formed double-ring handle ratchet wheel, the monocycle shape handle ratchet wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99224924 CN2391814Y (en) | 1999-08-27 | 1999-08-27 | Gear wheel specially for speed variator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99224924 CN2391814Y (en) | 1999-08-27 | 1999-08-27 | Gear wheel specially for speed variator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2391814Y true CN2391814Y (en) | 2000-08-16 |
Family
ID=34014879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99224924 Expired - Fee Related CN2391814Y (en) | 1999-08-27 | 1999-08-27 | Gear wheel specially for speed variator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2391814Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100443364C (en) * | 2005-09-26 | 2008-12-17 | 胡文宇 | Variable speed gear of speed transmission for manpower cycle |
-
1999
- 1999-08-27 CN CN 99224924 patent/CN2391814Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100443364C (en) * | 2005-09-26 | 2008-12-17 | 胡文宇 | Variable speed gear of speed transmission for manpower cycle |
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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 |