CN2837196Y - Central and rear axle speed increaser for bicycle - Google Patents
Central and rear axle speed increaser for bicycle Download PDFInfo
- Publication number
- CN2837196Y CN2837196Y CN 200520031336 CN200520031336U CN2837196Y CN 2837196 Y CN2837196 Y CN 2837196Y CN 200520031336 CN200520031336 CN 200520031336 CN 200520031336 U CN200520031336 U CN 200520031336U CN 2837196 Y CN2837196 Y CN 2837196Y
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- planetary
- gear
- circular plate
- inner gear
- bicycle
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Abstract
The utility model discloses a central and a rear axle speed increasers for bicycles, which both comprises an inner gear, an outer gear, planetary gears and a planetary gear carrier composed of two circular ring plates and an intermediate connection mechanism; at least two planetary gears uniformly distributed are arranged between the two circular ring plates; the planetary gear carrier is sheathed between the inner gear and the outer gear; in addition, the planetary gears are respectively engaged with the inner gear and the outer gear; two check rings are respectively fixed to both sides of each planetary gear to prevent the inner gear, the planetary gears and the outer gear from offsetting or slipping in engaging; the inner gear of the speed increaser of the central axle is sheathed on a central axle of a bicycle and is connected with an axle sleeve of the central axle; the planetary gear carrier is connected with a foot crank; sprockets are arranged at the outer surface of the outer gear; the inner gear of the speed increaser of the rear axle is sheathed or movably fixed to a rear axle of the bicycle; the planetary gear carrier is connected with a flywheel; the outer gear is connected with a rachis sleeve of the rear wheel; the two structures can be independently used or be combined for use; the effect of speed increasing is obvious.
Description
One. technical field: the utility model relates to a kind of bicycle boost installation, particularly relates to a kind of bicycle middle shaft speed increaser and bicycle rear axle speed increaser.
Two. background technology: along with the quickening of people's rhythm of life, need the corresponding vehicle also will quicken, at present, though the pattern as the bicycle of one of important vehicle has multiple variation, it generally can only be ridden with Chang Su, when needs are ridden fast, have only by accelerating to pedal pin and turn and improve the speed of a motor vehicle, like this, not only required great effort but also, brought safety hazard thereby vehicle body is rocked owing to the quickening of frequency to pedal causes bicyclist's centre of body weight shakiness.
Three. the content of utility model:
The purpose of this utility model: overcome the defective of prior art, provide a kind of simple in structure, cost is lower, can realize the bicycle middle shaft speed increaser and the bicycle rear axle speed increaser of speedup.
The technical solution of the utility model: a kind of bicycle middle shaft speed increaser, contain inner gear, external gear, planetary wheel and planetary gear carrier, wherein planetary gear carrier is made up of the bindiny mechanism between two Circular Plate and two Circular Plate, at least uniform between two Circular Plate two planetary wheels are installed, this planetary gear carrier is sleeved between inner gear and the external gear, and planetary wheel meshes with inner gear and external gear respectively, be fixed with a back-up ring respectively in planetary both sides, described back-up ring prevents inner gear, planetary wheel and external gear be dislocation or disengaging when engagement, inner gear housing is contained on the axis of bicycle, and be connected with the axle sleeve of axis, planetary gear carrier turns with pin and is connected, and the outside face of external gear is provided with sprocket.
Described inner gear is provided with the axial bolts hole, on the axis axle sleeve, be welded with an inner gear set collar, by bolt the inner gear activity is fixed on the inner gear set collar, described pin turns welding and fixes a planetary gear carrier set collar, by bolt the planetary gear carrier activity is fixed on the planetary gear carrier set collar.
Bindiny mechanism between described two Circular Plate is arc connecting panel or joint pin, this arc connecting panel or joint pin are fixed together two Circular Plate, uniform two or three or four planetary wheels of being equipped with between two Circular Plate, the back-up ring of described planetary wheel and both sides is captiveed joint or flexible connection, and between planetary wheel and the wheel shaft antifriction-bearing box is installed, to increase the alerting ability of its rotation.
A kind of bicycle rear axle speed increaser, contain inner gear, external gear, planetary wheel and planetary gear carrier, wherein planetary gear carrier is made up of the bindiny mechanism between two Circular Plate and two Circular Plate, at least uniform between two Circular Plate two planetary wheels are installed, this planetary gear carrier is sleeved between inner gear and the external gear, and planetary wheel meshes with inner gear and external gear respectively, be fixed with a back-up ring respectively in planetary both sides, described back-up ring prevents inner gear, planetary wheel and external gear be dislocation or disengaging when engagement, inner gear suit and movable being fixed on the rear axle of bicycle, planetary gear carrier is connected with flywheel, and external gear is connected with the floral axis cover of bicycle rear.
Described inner gear and bicycle rear axle are connected by key and keyway, or be connected by plate and slot, described flywheel is installed on the planetary gear carrier, captive joint with the outer edge of an annular arrangement shell is movable by bolt in the outside face of external gear or a side end face, the inner edge portion of this shell is connected with the floral axis of bicycle rear cover.
Bindiny mechanism between described two Circular Plate is arc connecting panel or joint pin, this arc connecting panel or joint pin are fixed together two Circular Plate, uniform two or three or four planetary wheels of being equipped with between two Circular Plate, the back-up ring of described planetary wheel and both sides is captiveed joint or flexible connection, and between planetary wheel and the wheel shaft antifriction-bearing box is installed, to increase the alerting ability of its rotation.
The beneficial effects of the utility model:
1. the utility model adopts the planet circular system structure, realize the purpose of speedup, the axis speed increaser combines external gear and sprocket wheel, simple in structure, be easy to processing, the back-up ring of planetary wheel both sides prevents inner gear, planetary wheel and external gear dislocation or disengaging when engagement, therefore uses very convenient.
2. the connection structure in the rear axle speed increaser of the present utility model between inner gear and the rear axle is simple, and external gear is connected with rear axle housing by shell, realizes the speedup purpose.
3. the utility model range of use is wide, makes easily and installs, and the selling market is good, has the better economic effect after the popularization.
Four. description of drawings:
Fig. 1 is the structural representation of bicycle middle shaft speed increaser
Fig. 2 is the lateral plan of bicycle middle shaft speed increaser shown in Figure 1
Fig. 3 is the structural representation of bicycle rear axle speed increaser
Fig. 4 is the lateral plan of bicycle rear axle speed increaser shown in Figure 3
Five. the specific embodiment:
Embodiment one: referring to Fig. 1 and Fig. 2, among the figure, the planetary gear carrier of bicycle middle shaft speed increaser is made up of the arc connecting panel 6 between two Circular Plate 7 and two Circular Plate 7, this arc connecting panel 6 is fixed together two Circular Plate 7, uniform between two Circular Plate 7 three planetary wheels 3 are installed, this planetary gear carrier is sleeved between inner gear 2 and the external gear 1, and planetary wheel 3 meshes with inner gear 2 and external gear 1 respectively, be fixed with a back-up ring 5 respectively in the both sides of planetary wheel 3, described back-up ring 5 prevents inner gear 2, planetary wheel 3 and external gear 1 be dislocation or disengaging when engagement, inner gear 2 is provided with the axial bolts hole, on the axis axle sleeve, be welded with an inner gear set collar 8, by bolt inner gear 2 activities are fixed on the inner gear set collar 8, pin turns welding and fixes a planetary gear carrier set collar 9, by bolt the planetary gear carrier activity is fixed on the planetary gear carrier set collar 9, the outside face of external gear 1 is provided with sprocket, is used to drive flywheel.This axis speed increaser replaces existing sprocket wheel, to reach the purpose of speedup.
As required, between planetary wheel 3 and the wheel shaft 4 antifriction-bearing box is installed, to increase the alerting ability of its rotation.In addition, planetary wheel 3 can be three or four, and is perhaps more.Arc connecting panel 6 can be replaced by joint pin.
Embodiment two: referring to Fig. 3 and Fig. 4, the meaning of the representative that numbering is identical with embodiment one among the figure is identical, something in common does not repeat, difference is: captive joint with the outer edge of shell 10 is movable by bolt in the outside face of the external gear 1 of bicycle rear axle speed increaser or a side end face, the inner edge portion of this shell 10 is connected with the floral axis of bicycle rear cover, inner gear 2 and bicycle rear axle are connected by key and keyway, or be connected by plate and slot, flywheel 11 is installed on the planetary gear carrier.This rear axle speed increaser replaces existing flywheel mechanism, to reach the purpose of speedup.
Embodiment three: referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, axis speed increaser and rear axle speed increaser are installed in respectively on the axis and rear axle of bicycle, connect by chain gear, its speedup effect is more obvious.
Change the version of planetary quantity, planetary gear carrier, the fixed form of inner gear and the fixed form of planetary gear carrier and can form a plurality of embodiment, all belong to variation range of the present utility model, do not describe in detail one by one at this.
Claims (6)
1. bicycle middle shaft speed increaser, contain inner gear, external gear, planetary wheel and planetary gear carrier, it is characterized in that: planetary gear carrier is made up of the bindiny mechanism between two Circular Plate and two Circular Plate, at least uniform between two Circular Plate two planetary wheels are installed, this planetary gear carrier is sleeved between inner gear and the external gear, and planetary wheel meshes with inner gear and external gear respectively, be fixed with a back-up ring respectively in planetary both sides, described back-up ring prevents inner gear, planetary wheel and external gear be dislocation or disengaging when engagement, inner gear housing is contained on the axis of bicycle, and be connected with the axle sleeve of axis, planetary gear carrier turns with pin and is connected, and the outside face of external gear is provided with sprocket.
2. bicycle middle shaft speed increaser according to claim 1, it is characterized in that: described inner gear is provided with the axial bolts hole, on the axis axle sleeve, be welded with an inner gear set collar, by bolt the inner gear activity is fixed on the inner gear set collar, described pin turns welding and fixes a planetary gear carrier set collar, by bolt the planetary gear carrier activity is fixed on the planetary gear carrier set collar.
3. bicycle middle shaft speed increaser according to claim 1 and 2, it is characterized in that: the bindiny mechanism between described two Circular Plate is arc connecting panel or joint pin, this arc connecting panel or joint pin are fixed together two Circular Plate, uniform two or three or four planetary wheels of being equipped with between two Circular Plate, the back-up ring of described planetary wheel and both sides is captiveed joint or flexible connection, and between planetary wheel and the wheel shaft antifriction-bearing box is installed, to increase the alerting ability of its rotation.
4. bicycle rear axle speed increaser, contain inner gear, external gear, planetary wheel and planetary gear carrier, it is characterized in that: planetary gear carrier is made up of the bindiny mechanism between two Circular Plate and two Circular Plate, at least uniform between two Circular Plate two planetary wheels are installed, this planetary gear carrier is sleeved between inner gear and the external gear, and planetary wheel meshes with inner gear and external gear respectively, be fixed with a back-up ring respectively in planetary both sides, described back-up ring prevents inner gear, planetary wheel and external gear be dislocation or disengaging when engagement, inner gear suit and movable being fixed on the rear axle of bicycle, planetary gear carrier is connected with flywheel, and external gear is connected with the floral axis cover of bicycle rear.
5. bicycle rear axle speed increaser according to claim 4, it is characterized in that: described inner gear and bicycle rear axle are connected by key and keyway, or be connected by plate and slot, described flywheel is installed on the planetary gear carrier, captive joint with the outer edge of an annular arrangement shell is movable by bolt in the outside face of external gear or a side end face, the inner edge portion of this shell is connected with the floral axis of bicycle rear cover.
6. according to claim 4 or 5 described bicycle rear axle speed increasers, it is characterized in that: the bindiny mechanism between described two Circular Plate is arc connecting panel or joint pin, this arc connecting panel or joint pin are fixed together two Circular Plate, uniform two or three or four planetary wheels of being equipped with between two Circular Plate, the back-up ring of described planetary wheel and both sides is captiveed joint or flexible connection, and between planetary wheel and the wheel shaft antifriction-bearing box is installed, to increase the alerting ability of its rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520031336 CN2837196Y (en) | 2005-07-25 | 2005-07-25 | Central and rear axle speed increaser for bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520031336 CN2837196Y (en) | 2005-07-25 | 2005-07-25 | Central and rear axle speed increaser for bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2837196Y true CN2837196Y (en) | 2006-11-15 |
Family
ID=37391678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520031336 Expired - Fee Related CN2837196Y (en) | 2005-07-25 | 2005-07-25 | Central and rear axle speed increaser for bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2837196Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008101382A1 (en) * | 2007-02-16 | 2008-08-28 | Shengwen Guo | A central shaft acceleration gearing |
| WO2012171485A1 (en) * | 2011-06-17 | 2012-12-20 | Xiao Shuhong | Inertia flywheel transmission system for exercise/rehabilitation device |
| RU2493999C2 (en) * | 2011-12-09 | 2013-09-27 | Григорий Михайлович Царёв | Pedal drive |
| CN111963630A (en) * | 2020-08-25 | 2020-11-20 | 飞而康快速制造科技有限责任公司 | Integrated into one piece's gear structure |
-
2005
- 2005-07-25 CN CN 200520031336 patent/CN2837196Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008101382A1 (en) * | 2007-02-16 | 2008-08-28 | Shengwen Guo | A central shaft acceleration gearing |
| WO2012171485A1 (en) * | 2011-06-17 | 2012-12-20 | Xiao Shuhong | Inertia flywheel transmission system for exercise/rehabilitation device |
| RU2493999C2 (en) * | 2011-12-09 | 2013-09-27 | Григорий Михайлович Царёв | Pedal drive |
| CN111963630A (en) * | 2020-08-25 | 2020-11-20 | 飞而康快速制造科技有限责任公司 | Integrated into one piece's gear structure |
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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 |