CN2232891Y

CN2232891Y - Booster for pedal cycle

Info

Publication number: CN2232891Y
Application number: CN95215503U
Authority: CN
Inventors: 谢立章
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-06-29
Filing date: 1995-06-29
Publication date: 1996-08-14
Anticipated expiration: 2005-06-29

Abstract

The utility model relates to a booster for pedal cycle, which is proposed to enhance the propulsive force of the pedal cycle and solve the problem of hard moving under the uphill, the upwind and the load-bearing situation. The utility model comprises a power-assisted box, a rotation shaft, a power-assisted blade, a power-assisted active chain wheel, a power-assisted handle, a power-assisted chain and a power-assisted passive chain wheel. An air inlet is arranged in the front of the power-assisted box; a pivot hole is arranged on both sides; an opening is positioned in the back and the power-assisted box is arranged in the front fork of the pedal cycle. The rotation shaft is pivoted on the pivot holes on both sides of the power-assisted box; the power-assisted blade and the power-assisted active chain wheel inside the power-assisted box are fixed up the rotation shaft; the power-assisted handle outside of the power-assisted box is fixed in the end; the power-assisted passive chain wheel is fixed on the middle shaft of the pedal cycle forming the chain transmission with the power-assisted active chain wheel through the power-assisted chain.

Description

The servo-unit that is used for bicycle

The utility model belongs to the bicycle auxiliary device, particularly a kind of servo-unit that is used for bicycle.

The bicycle commonly used system steps on by bipod and advances, not only steps on painstakingly, and when meeting contrary wind or manned load-carrying, then more painstaking, even unable advancing.

The purpose of this utility model provides and a kind ofly can increase the bicycle propulsive force, go up a slope to solve bicycle, against the wind, the servo-unit that is used for bicycle of the problem of the difficulty of advancing during manned load-carrying.

The utility model is made up of power-assisted case, rotating shaft, power-assisted fan blade, power-assisted drive sprocket, power-assisted handle, power-assisted chain and the passive sprocket wheel of power-assisted, and power-assisted case the place ahead is provided with ventilation inlet, and both sides are provided with the pivot hole, and its back is provided with opening, and is installed on the bicycle front fork; Rotating shaft is journaled on the pivot hole of power-assisted case both sides, and the power-assisted fan blade and the power-assisted drive sprocket that are positioned at the power-assisted case fixedly are housed on it, and its termination fixedly is equipped with and is positioned at the outer power-assisted handle of power-assisted case; The passive chain chain of power-assisted is fixedly mounted on the bicycle axis, and constitutes chain-driving through power-assisted chain and power-assisted drive sprocket.

Because the utility model is made up of power-assisted case, rotating shaft, power-assisted fan blade, power-assisted drive sprocket, power-assisted handle, power-assisted chain and the passive sprocket wheel of power-assisted, power-assisted case the place ahead is provided with ventilation inlet, both sides are provided with the pivot hole, and its back is provided with opening, and are installed on the bicycle front fork; Rotating shaft is journaled on the pivot hole of power-assisted case both sides, and the power-assisted fan blade and the power-assisted drive sprocket that are positioned at the power-assisted case fixedly are housed on it, and its termination fixedly is equipped with and is positioned at the outer power-assisted handle of power-assisted case; The passive chain chain of power-assisted is fixedly mounted on the bicycle axis, and constitutes chain-driving through power-assisted chain and power-assisted drive sprocket.During use, if when meeting slope or manned load-carrying, the cyclist is stepping on the pedal rotating middle shaft simultaneously with bipod, through power-assisted handgrip rotating shaft, make that power-assisted drive sprocket rotates thereupon on it, and through the power-assisted chain hand-drive power is passed to and is fixedly mounted on that power-assisted axis is applied additional drive torque, is advanced bicycle by movable sprocket trippingly on the axis; The power-assisted fan blade that is installed in addition in the rotating shaft forms forward air-flow, advances to help bicycle, and the cyclist is ridden easily; When meeting against the wind by bike, wind blows in the power-assisted case from power-assisted case ventilation inlet, promoting the power-assisted fan blade rotates, and through the passive chain chain of rotating shaft, power-assisted drive sprocket, power-assisted chain and power-assisted, the drive torque that produces against the wind is passed to axis, the wind transmission resistance is assistance axis rotating drive power, thereby reaches the purpose of this utility model.

Fig. 1 is a structural representation block diagram of the present utility model (being installed on the tricycle)

Fig. 2 is for using tricycle structural representation block diagram of the present utility model

Fig. 3 is for using bicycle structural representation block diagram of the present utility model

Below in conjunction with accompanying drawing the utility model is further elaborated.

As shown in Figure 1, the utility model is made up of by movable sprocket 8 power-assisted case 1, rotating shaft 2, two power-assisted fan blades 3, two power-assisted drive sprockets 4, power-assisted handle 5, power assistant arm 6, two power-assisted chains 7 and two power-assisteds, power-assisted case 1 the place ahead is provided with two ventilation inlets 11, both sides are provided with pivot hole 12, its back is provided with opening 13, as shown in Figure 2, power-assisted case 1 is installed on the front fork 91 of trishaw (or as shown in Figure 3, being installed in bicycle) 9; Rotating shaft 2 is journaled on the pivot hole 12 of power-assisted case 1 both sides, and the power-assisted fan blade 3, the power-assisted drive sprocket 4 that are positioned at power-assisted case 1 fixedly are housed on it, and the power-assisted handle 5 that is positioned at outside the power-assisted case 1 fixedly is equipped with in the termination of rotating shaft 2; Power assistant arm 6 is the T font, be provided with in T font bottom with the assistant the through hole 61 of 51 suits of the handle on the hand 5; Power-assisted is fixedly mounted on the axis 92 of bicycle 9 by movable sprocket 8, and constitutes chain-driving through power-assisted chain 7 and power-assisted drive sprocket 5; Be provided with fixed mount 93 and the movable mounting 94 that is placed on the fixed mount 93 behind the bicycle 9, movable mounting 94 fronts are opening edge, and its back is provided with two openings 941; Be provided with fine gap 931 in fixed mount 93 back,, below fixed mount 93, be provided with accommodation space 932,, below accommodation space 932, be provided with treadle or pedal 933 to place article to place power assistant arm 6.

During use, if when meeting slope or manned loading, the cyclist is with bipod pushes pedals 95 rotating middle shafts 92 simultaneously, through power-assisted handle 5 rotating shafts 2, or rotate power-assisted handle 5 with rotating shaft 2 by the rider through power assistant arm 6, make that power-assisted drive sprocket 4 and power-assisted fan blade 3 rotate on it thereupon, and hand-drive power is passed to the power-assisted that is fixed on the axis 92 by movable sprocket 8 through power-assisted chain 7, so that axis 92 is applied additional drive torque, bicycle 9 is advanced trippingly; The power-assisted fan blade 3 of Zhuan Donging forms forward air-flow in addition, advances to help bicycle 9; When chance is moved against the wind, wind blows into into promoting power-assisted fan blade 3 in the power-assisted case 1 from power-assisted case 1 ventilation inlet 11 and rotates, and through rotating shaft 2, power-assisted drive sprocket 4, power-assisted chain 7 and power-assisted by movable sprocket 8, the drive torque that produces against the wind is passed to axis 92, the propulsive effort of wind transmission resistance for assisting axis 92 to rotate.

Claims

1, a kind of servo-unit that is used for bicycle, it is characterized in that it is made up of power-assisted case, rotating shaft, power-assisted fan blade, power-assisted drive sprocket, power-assisted handle, power-assisted chain and the passive sprocket wheel of power-assisted, power-assisted case the place ahead is provided with ventilation inlet, both sides are provided with the pivot hole, its back is provided with opening, and is installed on the bicycle front fork; Rotating shaft is journaled on the pivot hole of power-assisted case both sides, and the power-assisted fan blade and the power-assisted drive sprocket that are positioned at the power-assisted case fixedly are housed on it, and its termination fixedly is equipped with and is positioned at the outer power-assisted handle of power-assisted case; The passive chain chain of power-assisted is fixedly mounted on the bicycle axis, and constitutes chain-driving through power-assisted chain and power-assisted drive sprocket.

2, the servo-unit that is used for bicycle according to claim 1 is characterized in that it has two power-assisted fan blades, two power-assisted drive sprockets, two power-assisted chains and two power-assisteds by movable sprocket.

3, the servo-unit that is used for bicycle according to claim 1 and 2 is characterized in that it also has power assistant arm, and power assistant arm is the T font, is provided with the through hole with the handle fit of power-assisted handle in T shape bottom.