CN2680568Y

CN2680568Y - Bicycle power-assisted transmission apparatus

Info

Publication number: CN2680568Y
Application number: CNU200420020201XU
Authority: CN
Inventors: 侍建助
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-02-17
Filing date: 2004-02-17
Publication date: 2005-02-23
Anticipated expiration: 2014-02-17

Abstract

The utility model discloses the power assisted transmission mechanism of a bicycle, comprising sprocket wheels, a flywheel, pedals and chains. The utility model is characterized in that a fixed flywheel is arranged on the shaft of the flywheel, another sprocket wheel is arranged on the shaft of the sprocket wheel, the fixed flywheel and the another sprocket wheel are connected with a commutator respectively via two chains, and a power accumulator and a clutch are installed on the shaft of the sprocket wheel. When the bicycle is braked or travels downward on a slope, the clutch and the another sprocket wheel are connected to impact a wind spring in the power accumulator to store energy; when the bicycle travels normally, the sprocket wheel is driven to rotate to make the bicycle run under the effect of the wind spring, dispensing with force application; after the energy stored by the wind spring is released, the clutch is separated from the another sprocket wheel, and the rider steps on the pedals normally to make the bicycle run normally. The utility model with simple structure and convenient operation can reduce the fatigue of the rider generated by riding the bicycle.

Description

Bicycle servodrive mechanism

Technical field

The utility model relates to technical field of bicycles, specifically a kind of bicycle servodrive mechanism.

Background technology

Bicycle in the process of moving, when descending maybe need slow down, all to brake, in brake process, reduced the speed of a motor vehicle, also consumed more energy simultaneously, if can be with the energy storage that is consumed, using when treating the bicycle cruising, alleviate the fatigue that human body travels and produced, is the problem that prior art is ignored.

Summary of the invention

The purpose of this utility model provides a kind of bicycle servodrive mechanism, and it can use the energy storage of brake loss when treating cruising, alleviate manpower fatigue.

The concrete technical scheme that realizes the utility model purpose is: bicycle servodrive mechanism comprises sprocket wheel 1, flywheel 2, pedal 3 and chain 4, characteristics be flywheel 2 the axle on fixedly flywheel 5 is housed, on the axle of sprocket wheel 1 sprocket wheel 6 is housed, fixedly flywheel 5, sprocket wheel 6 are connected with commutator 9 respectively by chain 7,8, on the axle of sprocket wheel 1 accumulator 10 and power-transfer clutch 11 are housed; Commutator 9 comprises a pair of gear 12 and two

minor sprockets

13,14, and wherein a gear is coaxial with minor sprocket 13, and a gear is coaxial with minor sprocket 14; Accumulator 10 comprises housing 15, wind spring 16, and wind spring 16 is contained in the housing 15.

The utility model is simple in structure, and is easy to operate, can alleviate the fatigue of human body because of producing by bike.

Description of drawings

Fig. 1 is the utility model structural representation

Fig. 2 is the birds-eye view of Fig. 1

Fig. 3 is that the utility model combines scheme drawing with bicycle

Fig. 4 is the utility model accumulator structural representation

Fig. 5 is the utility model clutch configuration scheme drawing

The specific embodiment

Consult Fig. 4, the accumulator 10 in the utility model is made up of housing 15, wind spring 16, and wind spring 16 is contained in the housing 15.

Consult Fig. 5, the power-transfer clutch 11 in the utility model comprises axle 17, ratchet 18, shell 19, backguy 20, and ratchet 18 is contained on the axle 17 and is located in the shell 19.

Consult Fig. 1,2, sprocket wheel 1 in the utility model, flywheel 2, pedal 3 and chain 4 are must have on the existing bicycle, on the axle of flywheel 2, install fixedly flywheel 5 additional, install sprocket wheel 6 additional on the axle of sprocket wheel 1, fixedly flywheel 5, sprocket wheel 6 are connected with commutator 9 respectively by chain 7,8, commutator 9 comprises a pair of gear 12 and two

minor sprockets

13,14, and wherein a gear is coaxial with minor sprocket 13, and a gear is coaxial with minor sprocket 14; On the axle of sprocket wheel 1 power-transfer clutch 11 and accumulator 10 are housed.

Consult Fig. 3, the utility model is contained in the former transmission device of bicycle position, during the bicycle cruising, break away from by power-transfer clutch 11 and sprocket wheel 6, when brake or descending, be connected with sprocket wheel 6 by power-transfer clutch 11, wind spring in the accumulator 10 16 is compressed, stored energy during cruising, need not the application of force, under the effect of wind spring 16, drive sprocket wheel 1 and rotate, make bicycle running, after wind spring 16 energy stored discharge and finish, break away from by power-transfer clutch 11 and sprocket wheel 6, step on pedal 3 more routinely and make the bicycle cruising.

Claims

1, a kind of bicycle servodrive mechanism, comprise sprocket wheel (1), flywheel (2), pedal (3) and chain (4), it is characterized in that flywheel (2) the axle on fixedly flywheel (5) is housed, on the axle of sprocket wheel (1) sprocket wheel (6) is housed, fixedly flywheel (5), sprocket wheel (6) are connected with commutator (9) respectively by chain (7), (8), on the axle of sprocket wheel (1) accumulator (10) and power-transfer clutch (11) are housed.

2, servodrive according to claim 1 mechanism is characterized in that commutator (9) comprises a pair of gear (12) and two minor sprockets (13), (14), and wherein a gear is coaxial with minor sprocket (13), and a gear is coaxial with minor sprocket (14).

3, servodrive according to claim 1 mechanism is characterized in that accumulator (10) comprises housing (15), wind spring (16), and wind spring (16) is contained in the housing (15).