CN2218838Y - Man power circumference bidirectional driving gear speed changer - Google Patents
Man power circumference bidirectional driving gear speed changer Download PDFInfo
- Publication number
- CN2218838Y CN2218838Y CN 94231205 CN94231205U CN2218838Y CN 2218838 Y CN2218838 Y CN 2218838Y CN 94231205 CN94231205 CN 94231205 CN 94231205 U CN94231205 U CN 94231205U CN 2218838 Y CN2218838 Y CN 2218838Y
- Authority
- CN
- China
- Prior art keywords
- gear
- stationary platen
- planetary pinion
- driving gear
- steel ball
- 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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- Retarders (AREA)
Abstract
The utility model relates to a man power circumference bidirectional driving gear speed changer. A driving gear on a driving shaft is engaged with a planetary wheel, each of both ends of a wheel shaft of the planetary wheel is provided with a gear, a gear at the left end is engaged with an internal gear which is sheathed on a left side cover, and a ratchet wheel pawl mechanism is arranged between the internal gear and the left side cover. The gear at the right end of the wheel shaft of the planetary wheel is engaged with a gear with a shaft sleeve, a right side cover is sheathed on the shaft sleeve of the gear, and a ratchet wheel pawl mechanism is also arranged between the gear with the shaft sleeve and the right side cover. The two ratchet wheel pawl mechanisms move in the opposite directions, and accordingly a hub can be driven to rotate forwards and obtain different speeds when the driving shaft rotates forwards or backwards. The utility model does not need to stop to change speed, and can utilize the inertial force before speed change to a maximum extent.
Description
The utility model relates to a kind of manpower circumference bi-directional drive speed changer, is applicable to bicycle, tricycle, handicapped people's car etc.
Bicycle is the traffic tool that China both urban and rural residents likes, upper and lower by bike class can avoid riding in a bus, the waiting for bus and squeezing oneself into a croweded bus of electric car, and is very convenient; Not only malleable body building but also do not pollute the environment; Along with the progress of science and technology, the bicycle of variable speed has also occurred; Be exactly bicycle a kind of of variable speed at the popular mountain bike of China in recent years, when climbing by bike, can change the speed ratio of sprocket wheel and flywheel, underspeed, ride laborsaving; But need stop during speed change mobile ratchet mechanism or chain, chain wheel location, inconvenience also wastes time, and when upper and lower slope, when especially going up a slope, can not utilize the preceding inertial force of speed change.
The purpose of this utility model is to design a kind of manual circum-bidirectional driving gear speed variator that adopts planetary gear train for overcoming above-mentioned deficiency, gear respectively is equipped with at the planet pin two ends, they mesh with internal gear, external gear respectively, as cyclist forward or backward to pedal the time, bicycle all can advance and can obtain different speed, and not stopping just can speed change.
The utility model content, driving gear on the live axle and planetary pinion engagement, a gear is respectively adorned at the two ends of planetary pinion wheel shaft, the gear of left end and internal gear engagement, this inner gear housing is contained on the left cap, is provided with ratchet and pawl arrangement between the two, between left cap and stationary platen steel ball is installed, stationary platen and left circular support be through being threaded, and is contained between the axle shelves of live axle left end and stationary platen left end steel ball is housed; Gear that the right-hand member of planetary pinion wheel shaft is installed and the gear engagement that is sleeved on the right circular support, suit right cap on the cylindrical of this gear right side axle sleeve, be provided with ratchet and pawl arrangement between the two, right cap and be loaded between the stationary platen of right circular support steel ball is housed is contained between the stationary platen of the axle shelves of live axle right-hand member and right-hand member steel ball is housed; Left and right two circular supports are through pole and nut mount, and between left and right two circular supports planet wheel are housed; Left and right side cover is installed in the hole at skin two ends respectively and fixes.
The gear at planetary pinion and planet pin two ends respectively is 3-5.
The utility model advantage is compared with existing multi-speed bicycle, because the gear at planet wheel shaft two ends, one and internal gear engagement, another and external gear mesh, so slewing range is big; Only former changing into to pedal forward backward need be changed into forward to pedal to pedal or by former kicking backward during speed change,, can utilize the inertial force of original driving to the utmost to keep Continuous Drive; Utilize to pedal direction to change in addition and speed change has alleviated the fatigue of two legs.
Description of drawings:
Fig. 1 is the utility model sectional view
Below in conjunction with description of drawings the utility model embodiment, a circular support 1, two circular support is respectively adorned by three poles 4 and nut mount in live axle 3 both sides of driving gear 5, and three poles evenly distribute along circumference; Three and driving gear 5 planet gear meshed 6 are housed between left and right two circular supports, a gear is respectively installed at the axle two ends of planetary pinion 6, left end gear 15 and internal gear 8 engagements, internal gear 8 is loaded on the left cap 9, is provided with ratchet and pawl arrangement 10 between the two, and the right-hand member of left cap is equipped with ring washer 12, axial position with restriction internal gear 8,9 of the stationary platen 2 of left end and left cap are adorned one along circumference and are enclosed steel ball, and making both is rolling motion, and this stationary platen is loaded on the left side circular support 1 through screw thread; Also adorn a circle steel ball between this stationary platen left end and axle shelves, to obtain the rolling motion of light and flexible; The right-hand member of axle shelves and live axle 3 is for being threaded; Gear 7 that the wheel shaft right-hand member of planet wheel 6 is installed and gear 13 engagements, gear 13 right axis put suit and right cap 14, be provided with ratchet and pawl arrangement 10 therebetween, be contained in stationary platen 2 on the right circular support 1 and 14 of right cap a circle steel ball is housed, this circular support and stationary platen are for being threaded; Said fixing platform right-hand member and be contained in through screw thread between the axle shelves of live axle 3 right-hand members one circle steel ball also is installed; Left cap 9 right cap 14 are fixed through the left and right two ends that screw thread is loaded on a skin 11 respectively.
Claims (2)
1. manual circum-bidirectional driving gear speed variator, it is characterized in that driving gear and planetary pinion engagement on the live axle, a gear is respectively adorned at the two ends of planetary pinion wheel shaft, the gear of left end and internal gear engagement, this inner gear housing is contained on the left cap, is provided with ratchet and pawl arrangement between the two, between left cap and stationary platen steel ball is installed, stationary platen and left circular support be through being threaded, and is contained between the axle shelves of live axle left end and stationary platen right-hand member steel ball is housed; Gear that planetary pinion wheel shaft right-hand member is installed and the gear engagement that is sleeved on the right circular support, suit right cap on the cylindrical of this gear right side axle sleeve, be provided with ratchet and pawl arrangement between the two, right cap and be loaded between the stationary platen of right circular support steel ball is housed is contained between the axle shelves of live axle right-hand member and stationary platen steel ball is housed; Left and right two circular supports are through pole and nut mount, and between this two circular support planet wheel are housed; Left and right side cover is installed in respectively in the hole of a skin and is fixing.
2. manual circum-bidirectional driving gear speed variator as claimed in claim 1 is characterized in that the gear at planetary pinion and planetary pinion wheel shaft two ends respectively is 3-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94231205 CN2218838Y (en) | 1994-12-27 | 1994-12-27 | Man power circumference bidirectional driving gear speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94231205 CN2218838Y (en) | 1994-12-27 | 1994-12-27 | Man power circumference bidirectional driving gear speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2218838Y true CN2218838Y (en) | 1996-01-31 |
Family
ID=33843111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94231205 Expired - Fee Related CN2218838Y (en) | 1994-12-27 | 1994-12-27 | Man power circumference bidirectional driving gear speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2218838Y (en) |
-
1994
- 1994-12-27 CN CN 94231205 patent/CN2218838Y/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 |