CN2187583Y - Bicycle single-direction two-speed driving disc - Google Patents

Bicycle single-direction two-speed driving disc Download PDF

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Publication number
CN2187583Y
CN2187583Y CN 94204597 CN94204597U CN2187583Y CN 2187583 Y CN2187583 Y CN 2187583Y CN 94204597 CN94204597 CN 94204597 CN 94204597 U CN94204597 U CN 94204597U CN 2187583 Y CN2187583 Y CN 2187583Y
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CN
China
Prior art keywords
cover plate
ratchet cover
chain
output chain
utility
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Expired - Lifetime
Application number
CN 94204597
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Chinese (zh)
Inventor
张启斌
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Individual
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Individual
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Priority to CN 94204597 priority Critical patent/CN2187583Y/en
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Publication of CN2187583Y publication Critical patent/CN2187583Y/en
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Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a bicycle single-direction two-speed driving disc, which is characterized in that two ratchet cover plates are arranged parallelly on a driving shaft, a vehicle body tripod which is close to the driving shaft is provided with a drive auxiliary shaft, and two minor sprockets are arranged parallelly at the drive auxiliary shaft. The ratchet cover plate 1 is in inner gearing with an output chain, the ratchet cover plate 2, the sprocket 4 and a chain 5 are circumambient inner gearing, and the sprocket 3 is in outer gearing with the output chain. The utility model has the advantage that no matter whether a rider forward or backward pedals, the output chain can carry out single-direction rotation which means clockwise rotation. Moreover, two different reducing speeds can be reached and the back run of the bicycle can be prevented.

Description

Bicycle single-direction two-speed driving disc
The utility model relates to a kind of driving disk of self-moving vehicle.
Existing bicycle driving disk is made up of one or several axis floral disc, and they pass power to two different directions along with the cyclist's is positive and negative foot-operated.But bicycle rear has only been used the foot-operated power of forward by flywheel, and oppositely foot-operated power idle running need not.
The purpose of this utility model is to make the cyclist no matter positive and negative foot-operated, and driving-disc can both move ahead vehicle, and reaches two different shelves speed and the effect that prevents rear slide car.
Design plan of the present utility model is on the bicycle driving axle, and the ratchet cover plate 1 and the ratchet cover plate 2 are installed side by side, and the ratchet cover plate 1 direction forward, the promptly foot-operated forward ratchet cover plate 1 is exerted oneself, the ratchet cover plate 2 directions are promptly exerted oneself to the rear treadle ratchet cover plate 2 backward, and it is just opposite that two ratchets go out force direction.On near the car body tripod the driving shaft, an auxiliary axle 7 is installed, sprocket wheel 3 and sprocket wheel 4 are installed on the auxiliary axle 7 side by side.The ratchet cover plate 1 and chain 6 interior engagements, sprocket wheel 3 and 6 external toothings of output chain.The ratchet cover plate 2, sprocket wheel 4 and chain 5 are around interior engagement.
Accompanying drawing 1: structural representation of the present utility model is provided.
Accompanying drawing 2: the position of installing and using of the present utility model is provided.
Accompanying drawing 3: the signal of the utility model driving shaft and auxiliary axle and accessory position interchange structure is provided.
Wherein: (1), (2) are the ratchet cover plate or flywheel, and (3), (4) are sprocket wheel, and (5) are chain, and (6) are the output chain, and (7) are auxilliary axle.
When the cyclist was foot-operated forward, when promptly axle drive shaft moved clockwise, the ratchet cover plate 1 made the motion of output chain 6 cws because direction is exerted oneself forward this moment.The ratchet cover plate 2 is because direction is in the state of not exerting oneself backward this moment.Sprocket wheel 3 is output chain 6 and drives the conter clockwise motion, affects sprocket wheel 4, chain 5 by auxilliary axle 7, makes the ratchet cover plate 2 passive conter clockwise motions; As cyclist during to rear treadle, i.e. axle drive shaft anticlockwise direction motion, the ratchet cover plate 2 makes the motion of sprocket wheel 3 conter clockwises owing to go out force direction and exert oneself this moment backward by chain 5, sprocket wheel 4 and auxilliary axle 7, also makes the motion of output chain 6 cws.The ratchet cover plate 1 is output chain 6 and affects passive moving clockwise because direction is in the state of not exerting oneself forward this moment.In sum, no matter foot-operated forward still to rear treadle, output chain 6 is the cw unidirectional motion all the time.
The utility model is in implementation process as adopt the transmission number of teeth of the transmission number of teeth of the ratchet cover plate 2, sprocket wheel 3 and sprocket wheel 4 and the ratchet cover plate 1 different, it is the foot-operated circle of conter clockwise, it is different with the move distance that the foot-operated circle ratchet cover plate 1 of cw drives output chain 6 that the ratchet cover plate 2, sprocket wheel 4, sprocket wheel 3 drive the move distance of output chain 6, realizes two different shelves speed that both forward and reverse directions is foot-operated.
The utility model can also be driving shaft and the ratchet cover plate 1, the ratchet cover plate 2 and auxiliary axle and sprocket wheel 3, sprocket wheel 4 location swaps in implementation process, and such as Fig. 3, the cyclist can change movement angle.
The utility model has been owing to only done improvement to the bicycle driving-disc, and set up simple attachment device, and except manufacturing cost slightly the raising, installation, maintenance is all very convenient. Therefore, the utility model can substitute the driving-disc of any self-moving vehicle, and advantage is:
The first, two-way moveable endless. Not only can make the cyclist change foot-operated mode and change and ride angle, overcome dull motion, but also reached the effect of " the backward therapy " medically advocated.
The second, fast, simply, speed changing function flexibly.Owing to only need change foot-operated direction during the utility model speed change, need not any " spanner ", " button " class and the action of stopping, directly counter stepping on gets final product, so in stream of people's emergency, driving speed change in the place of road complexity is better than other derailleur.
The 3rd, the anti-car function of slipping backward.Because the unicity of the utility model output chain sense of motion, so bicycle slips car when driving the counter motion of output chain backward, driving disk does not turn round, and be automatically locked, so this driving disk has the anti-car function of slipping backward.
Mountain bike in 96 years will become the new projects of Olympic Games contest, and the utility model can not affect the speed changing function of former bicycle rear as being installed on the race-entry bicycle at all.The sportsman can positive and negatively ride in trudging, and makes leg muscle alternately obtain certain rest.The sportsman also can not have steep hills slope or the obstacle of rushing at with taking into account, needn't worry to slip after foot-operated motionless or other reason car is stopped, and the sportsman can also make pedal unit step on before and after vertical with human body to step on, keep maximum, force to continue apart from the connection of exporting in addition.
The utility model can prevent the sewing machine counter-rotating effectively as being installed on the similar machine such as riding sewing machine, and the sewing velocities that offer two different shelves speed of sewing machine.

Claims (1)

1, a kind of driving-disc of bicycle, it is characterized in that on driving shaft, installing side by side the ratchet cover plate 1 and the ratchet cover plate 2, near driving shaft car body is installed and is driven auxiliary axle, minor sprocket 3 and minor sprocket 4 are installed on the auxiliary axle side by side, the ratchet cover plate 1 and the interior engagement of output chain, minor sprocket 3 and the external toothing of output chain, the ratchet cover plate 2, minor sprocket 4 and chain 5 are around interior engagement.
CN 94204597 1994-02-15 1994-02-15 Bicycle single-direction two-speed driving disc Expired - Lifetime CN2187583Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 94204597 CN2187583Y (en) 1994-02-15 1994-02-15 Bicycle single-direction two-speed driving disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 94204597 CN2187583Y (en) 1994-02-15 1994-02-15 Bicycle single-direction two-speed driving disc

Publications (1)

Publication Number Publication Date
CN2187583Y true CN2187583Y (en) 1995-01-18

Family

ID=33823788

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 94204597 Expired - Lifetime CN2187583Y (en) 1994-02-15 1994-02-15 Bicycle single-direction two-speed driving disc

Country Status (1)

Country Link
CN (1) CN2187583Y (en)

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GR01 Patent grant
C17 Cessation of patent right
CX01 Expiry of patent term