CN206288183U - A kind of bicycle infinitely variable speed structure - Google Patents

Abstract

The utility model belongs to bicycle speed changing structure field, and in particular to a kind of bicycle infinitely variable speed structure.Controller is dialled the utility model discloses a kind of bicycle infinitely variable speed structure, including buncher and finger, buncher is that two angular wheels and intermediate idler are constituted.Refer to and dial controller to refer to that dialling structure is located at handlebar.Buncher input axle is integrated with bicycle middle shaft and is connected bicycle pedal, and output end is connected with the flywheel of bicycle rear by chain.Buncher is located at bicycle middle shaft rear and is fixed on cycle frame using rolling bearing.It is characterized in that：Also include being arranged at the spring in the middle of two angular wheel, idle pulley and the sliding axle being fixed on vehicle body.The utility model provides a kind of infinitely variable speed structure that can be simple in bicycle running, quick, stable, so as to meet the shifting needs of the vast fan that rides.

Description

A kind of bicycle infinitely variable speed structure

Technical field

The utility model belongs to bicycle speed changing structure field, and in particular to a kind of bicycle infinitely variable speed structure.

Background technology

The speed changer of bicycle is nearly all that two parts constitute in the market：Refer to and dial and derailleur, by changing chain The cooperation of the toothed disc of bar and different forward and backward sizes changes speed speed.The size of preceding fluted disc and the size of rear tooth disk are determined Dynamics during bicycle turn pedal is determined.Preceding fluted disc is bigger, and rear tooth disk is got over hour, is got over during pedal and feels laborious.Preceding fluted disc is got over It is small, got over when rear tooth disk is bigger, during pedal and felt relief.According to the ability of different drivers, you can by adjusting the big of forward and backward fluted disc The speed of small adjustment bicycle, or tackle different section, road conditions.

But above-mentioned bicycle speed changing structure still has following weak point：

On conventional speed changer, if chain is that have the slight friction to be in maximum or minimum gear cochain bar and preceding group Unavoidable, dialled and chain before wearing and tearing over time.And when finger dials control speed change, it is different straight that chain changes to another Easy card chain breakage when the gear of footpath.Chain wear is larger, bigger compared to gear noise.When speed change is controlled, compare It is complicated.

Based on this, applicant considers that design is a kind of can install a kind of variable speed knot for being more conducive to operation on bicycle Structure, so as to meet the shifting needs of the vast fan that rides.

The content of the invention

For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is：How a kind of energy is provided Enough simple in bicycle running, quick, stabilization infinitely variable speed structures.

In order to solve the above-mentioned technical problem, the utility model employs following technical scheme：

A kind of bicycle infinitely variable speed structure, including buncher and finger dial controller, and the buncher is two Individual angular wheel and intermediate idler are constituted；Described finger dials controller to refer to that dialling structure is located at handlebar；The buncher is defeated Enter to hold axle to be integrated with bicycle middle shaft and be connected bicycle pedal；Buncher output end is led to the flywheel of bicycle rear Chain is crossed to be connected；The buncher is located at bicycle middle shaft rear and is fixed on cycle frame using rolling bearing； It is characterized in that：Also include being arranged at the spring in the middle of two angular wheel, idle pulley, control pipeline and be fixed on vehicle body Sliding axle.

Described two angular wheel diameter parallels, the big end of one of circular cone is corresponding with another conical gear small end, And the conical gear close proximity but be not in contact；It is described to use smaller idler wheel in the middle of two angular wheels of speed changer, lead to Cross the position for referring to and dialling controller control idle pulley.

The transportable lower spring end fixed idler so that idle pulley can be rotated in lower spring end；Spring upper end set On the sliding axle of level so that spring upper end can be slided along sliding axle；Idle pulley is connected to two circular cone teeth under elastic force Wheel, when referring to the driving lever for dialling controller on bicycle handle bar is pressed, lower spring end can upwards compress and drive idle pulley slowly to leave Two conical gears；Now the driving lever for referring to and dialling controller is stirred in left and right, then spring can sliding axially and driving along sliding axle Idle pulley is moved horizontally；When the driving lever for referring to group controller is unclamped, spring returns to the preceding state of compression and so that idle pulley is tightly coupled Two conical gears.

After using bicycle variable speed of the present utility model, when speed change is needed, press and refer to the same of group controller driving lever When or so pull driving lever just can variable speed within the specific limits.

Preferably, the gear of the buncher is made using magnesium-aluminium alloy material.

So so that change-speed gearing is lighter, anticorrosion, more wear-resisting feature.

Preferably, the buncher is located at bicycle middle shaft rear, vehicle frame is fixed on entirely through rolling bearing On.

Above-mentioned gear box position is more easily installed, and changes almost nil to cycle frame, and rolling bearing is solderable in car On frame.

Preferably, the idle pulley connecting spring lower end, spring upper end is enclosed within sliding axle.

Using after the structure that above-mentioned spring and horizontal sliding axle are connected, it is more convenient for moving idle pulley position.

Preferably, buncher also includes three control pipelines being connected on spring；Wherein one control Pipeline is connected to lower spring end and refers to dial controller, its role is to：Fluctuation refers to that the driving lever for dialling controller can control the pipeline Spring it is flexible；Remaining two be a pair, connection and spring upper end and refer to dial controller between, its role is to：By fluctuation Refer to that the driving lever for dialling controller can be such that this pair of pipeline regulation spring is moved horizontally along sliding axle.

Above-mentioned wherein one pipeline effect is to control stretching for spring, and remaining two pipelines are that a pair of effects are to control Spring slides axially along sliding axle.By three pipelines, refer to that dialling controller can easily realize idle pulley within the specific limits Arbitrary position movement on two idle pulleys.

It is located at Handlebar of bicycle preferably, referring to and dialling controller；It is described to refer to that dialling controller integrally rotate upwardly and downwardly, and Simultaneously can be with left and right fluctuation driving lever.

Above-mentioned finger is dialled variable-speed controller and can integrally be rotated, it is therefore intended that：Bullet is controlled by an above-mentioned single pipeline Spring stretches, so that idle pulley may exit off and against two conical gears.Refer to that the level or so for dialling variable-speed controller is stirred, can be with So that the axial movement of sliding axle, so that the overall idle pulley for driving spring to connect.

Preferably, buncher output shaft and bicycle freewheel are connected by chain.

Above-mentioned connection, the axis input that can connect pedal is applied to voluntarily by the power of the output end after variable speed On the hind axle of car.

Used as standby, the axis and pedal of buncher connection can use motorcycle engine or motor output shaft generation Replace, its rolling bearing is solderable after engine or motor output shaft, and remaining structure is constant, be equally adapted to.

Brief description of the drawings

Fig. 1 is the implementation structural representation of the utility model bicycle infinitely variable speed structure.

Fig. 2 is spring, idle pulley and sliding axle annexation figure in Fig. 1.

Marked in Fig. 1 to Fig. 2：

1 bicycle rack；

2 rolling bearings；

3 control pipelines

4 bicycle freewheels；

5 output bevel gears；

6 input conical gears；

7 springs；

8 refer to group controller；

9 driving levers；

10 handlebars；

11 idle pulleys；

12 sliding axles；

13 chains；

14 pedals；

15 axis.

Specific embodiment

The utility model is described in further detail below in conjunction with the accompanying drawings.Wherein, for description using it is all as above, Under, the exemplary term such as left and right, it is therefore intended that help reader to understand, without being intended for limitation.

Embodiment one, as shown in Figure 1 to Figure 2：

A kind of bicycle infinitely variable speed structure, including buncher and finger dial controller 8.The buncher is two Individual angular wheel and intermediate idler 11 are constituted；Described finger dials controller 8 to refer to that dialling structure is located at bicycle handle bar 10；The nothing Level transmission input axle is integrated with bicycle middle shaft 15 and is connected bicycle pedal 14；The buncher output end with The flywheel 4 of bicycle rear is connected by chain 13；The buncher is located at the rear of bicycle middle shaft 15 and using rolling Bearing 2 is fixed on cycle frame 1；It is characterized in that：Also include being arranged at spring 7 in the middle of two angular wheel, lazy Wheel 11, control pipeline 3 and the sliding axle 12 being fixed on vehicle body.

During implementation, two angular wheel diameter parallels, the big end of one of circular cone and another conical gear small end pair Should, and the conical gear close proximity but be not in contact；It is described to use smaller idler wheel in the middle of two angular wheels of speed changer 11, dial the position that controller 8 controls idle pulley 11 by referring to.

During implementation, transportable lower spring end fixed idler 11 so that idle pulley 11 can be rotated in the lower end of spring 7；Bullet The upper end of spring 7 is enclosed within horizontal sliding axle 12 so that the upper end of spring 7 can be slided along sliding axle 12；Idle pulley 11 is under elastic force Two conical gears are connected to, when referring to the driving lever 9 for dialling controller 8 on bicycle handle bar is pressed, the lower end of spring 7 can be compressed upwards And drive idle pulley 11 slowly to leave two conical gears；Now the driving lever 9 for referring to and dialling controller 8 is stirred in left and right, then spring 7 can be along Sliding axle 12 slides axially and drives idle pulley 11 to move horizontally；When the driving lever 9 for referring to group controller 8 is unclamped, spring 7 returns to pressure The preceding state of contracting simultaneously causes that idle pulley 11 is tightly coupled two conical gears.

During implementation, preferably the gear of buncher is made using magnesium-aluminium alloy material.

So so that change-speed gearing is lighter, anticorrosion, more wear-resisting feature.

Wherein, spring 7 and refer to dial controller 9 between control pipeline 3 can be used bicycle brake line to replace.Purpose is The movement of spring 7 is controlled so as to the position for driving idle pulley 11 changes.

When speed change is needed, the finger that pressing to rotate upwardly and downwardly dials the driving lever 9 of controller 8 while left and right is pulled driving lever 9 and passed through Control the transmission effect of pipeline 3 so that the change in location of spring 7 changes so as to drive the position of idle pulley 11.When pedal 14 is stepped on, in Axle 15 is rotated and causes that input conical gear 5 is rotated, by the effect of idle pulley 11 so that the rotation speed change of output bevel gear 6.This When may be such that bicycle freewheel 4 is rotated by the transmission of the power of chain 13.It is finally reached the speed change variable speed requirement of bicyclist.

The above is only the utility model preferred embodiment, need to point out not departed from for those skilled in the art On the premise of the technical program, some deformations and improvement can also be made, above-mentioned deformation and improved technical scheme should be regarded equally For fall into this application claims scope.

Claims (8)

1. a kind of bicycle infinitely variable speed structure, including buncher and finger dial controller, and the buncher is two Angular wheel and intermediate idler are constituted；Described finger dials controller to refer to that dialling structure is located at handlebar；The buncher input End axle is integrated with bicycle middle shaft and is connected bicycle pedal；Buncher output end passes through with the flywheel of bicycle rear Chain is connected；The buncher is located at bicycle middle shaft rear and is fixed on cycle frame using rolling bearing；Its It is characterised by：Also include being arranged at the spring in the middle of two angular wheel, idle pulley, control pipeline and the cunning being fixed on vehicle body Moving axis.

2. bicycle infinitely variable speed structure according to claim 1, it is characterised in that：The gear of buncher uses magnesium Aluminum alloy materials make.

3. bicycle infinitely variable speed structure according to claim 1, it is characterised in that：Buncher is located in bicycle Axle rear, is fixed on vehicle frame entirely through rolling bearing.

4. bicycle infinitely variable speed structure according to claim 1, it is characterised in that：Idle pulley connecting spring lower end, spring Upper end is enclosed within sliding axle.

5. bicycle infinitely variable speed structure according to claim 1, it is characterised in that：Buncher also includes being connected to Three control pipelines on spring, wherein a control pipeline is connected to lower spring end and refers to dial controller, its role is to：Ripple It is dynamic to refer to that the driving lever for dialling controller make the pipeline control the flexible of spring；Remaining two is a pair, connection with spring upper end and refer to Dial controller between, its role is to：Refer to that the driving lever for dialling controller can save spring and be moved horizontally along sliding axle by fluctuation.

6. bicycle infinitely variable speed structure according to claim 1, it is characterised in that：Refer to that dialling controller is located at cyclist It is described to refer to that dialling controller integrally rotate upwardly and downwardly place, and simultaneously can be with left and right fluctuation driving lever.

7. bicycle infinitely variable speed structure according to claim 1, it is characterised in that：Buncher output shaft and voluntarily Car flywheel is connected by chain.

8. bicycle infinitely variable speed structure according to claim 1, it is characterised in that：Buncher connection axis and Pedal can be replaced with motorcycle engine or motor output shaft, and its rolling bearing is solderable in engine or motor output shaft Afterwards, remaining structure is constant, is equally adapted to.