CN201169358Y

CN201169358Y - Hand booster of jinriksha

Info

Publication number: CN201169358Y
Application number: CNU2008200173369U
Authority: CN
Inventors: 王骊
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-28
Filing date: 2008-01-28
Publication date: 2008-12-24
Anticipated expiration: 2018-01-28

Abstract

The utility model relates to a rickshaw manual power booster which comprises a rotary rod, a lug support, a stay cord, a chain, a flywheel, and a spring, wherein, the rotary rod which is arranged in the left and right direction is hinged with the lug support fixed at the upper part of the vertical pipe of the handlebar of the rickshaw; the chain is meshed with the flywheel arranged at one end of a front shaft of the rickshaw, one end of the chain is connected with the corresponding end of the rotary rod through the stay cord and the other end of the chain is linked with a corresponding front fork leg of a front fork of the rickshaw through the spring; the lug support is provided with a limited rod which is higher than the rotary rod; a section of rod body of the rotary rod, which is arranged between one end of the rotary rod and the lug support, is pressed by the limited rod to enable the rotary rod to rotate towards the direction of the frame of the rickshaw always; the sum of the length of the stay cord and the chain is enough to enable the spring to be in an unstrained state; the rotary direction of the flywheel is correspondingly same with the direction of the positive and negative rotation of a flywheel on the rear shaft of the rickshaw. On the premise that original power transmission way of the rickshaw is not influenced, the power booster adds a power transmission method to together drive the rickshaw to move, therefore, driving the rickshaw on the upslope is easier.

Description

The manual servo-unit of rickshaw

Technical field

The utility model relates to a kind of servo-unit, particularly relates to a kind of manual servo-unit that can be used with common rickshaw.

Background technology

Common rickshaw (comprising bicycle and three-wheel vehicle etc.) is a kind of manpower transport facility who widely uses at present.But the transfer mode of power was comparatively single when rickshaw travelled, and promptly scrunched pedal by foot fully, and the flywheel that drives on the rear axle by wheel disc, chain just changes, so that the trailing wheel of rickshaw rotates in the same way, the driving rickshaw travels, and is like this, very hard when riding the rickshaw upward slope.

The utility model content

The purpose of this utility model is to provide a kind of rickshaw manual servo-unit of rickshaw comparatively easily when going up a slope of riding.

For achieving the above object, the manual servo-unit of the rickshaw that the utility model provides has dwang, the ear seat, stay cord, chain, flywheel, spring, about the dwang arranged hinged with the ear seat on the handle riser top that is fixed on the rickshaw handlebar, chain and the flywheel engagement that is installed in rickshaw front axle one end, one end of chain connects with a corresponding end of dwang by stay cord, the other end connects with the corresponding fork blade of rickshaw front fork by spring, the position-limited lever that is higher than dwang is arranged on the ear seat, the limited bar of that section body of rod that is on the dwang between its other end and the ear seat is pushed down, so that dwang is in the trend of rotating to rickshaw vehicle frame direction all the time, stay cord, the state that the length sum of chain is enough to make spring be in and is not stretched, the positive veer of the flywheel on flywheel and the rickshaw rear axle, reverses direction is corresponding identical respectively.

When riding the rickshaw upward slope, the bicyclist by one hold handlebar transverse tube, to grasp the travel direction of rickshaw, another holds that section body of rod and the downward application of force that is on the dwang between its other end and the ear seat, allow dwang rotate to the direction of vehicle frame, like this, stay cord will on the flywheel carrying chain and drive front axle one end just change, so that the front-wheel of rickshaw rotates in the same way, driving rickshaw travels (in this process, spring is in extended state, and the power of hand by this manually a servo-unit pass to rickshaw, make rickshaw additionally obtain to come from the power of hand); Then, the bicyclist unclamps its another hand of holding dwang, rely on the contraction of spring, allow the dwang counter-rotation, make stay cord, chain, flywheel set back separately, the state that makes spring be in once more not to be stretched (drive the flywheel reversing in this process, flywheel no longer drives rickshaw and travels); Then, can repeatedly repeat two above processes.

The utility model has the advantages that: under the prerequisite that does not influence the original power delivery mode of rickshaw, increased a kind of power delivery mode (promptly giving rickshaw with the transmission of power of hand) again by this servo-unit, the power of dual mode transmission drives rickshaw jointly and travels, thereby it is comparatively light when going up a slope to ride rickshaw, and this servo-unit is simple in structure, and cost is low.

Described ear seat comprises square otic placode and two semicircle clips of vertical layout, two clip left and right symmetricallies are stuck in the handle riser top of rickshaw handlebar, the front end of two clips connects by fastener, the bottom of otic placode place between the rear end of two clips and the three by the fastener connection that reclines, the trailing flank top of otic placode has one to be used for and dwang pivotally attached hinge ear, and position-limited lever is away from that top, side of stay cord in pole and the left and right sides face that is installed in otic placode.

Description of drawings

Fig. 1 is the shaft side figure of the utility model one embodiment;

Fig. 2 is the front view of the described embodiment of Fig. 1;

Fig. 3 is the birds-eye view of Fig. 2;

Fig. 4 is the left view of Fig. 2.

The specific embodiment

By the following examples and accompanying drawing the utility model is further elaborated:

Referring to Fig. 1 to Fig. 4, the manual servo-unit of the utility model rickshaw that is used with bicycle has dwang 1, ear seat 2, stay cord 3, chain 4, flywheel 5, spring 6.For can know say something concisely for the purpose of, first half, front fork C, front axle D, the front-wheel E of handlebar A, the vehicle frame B of bicycle only are shown among Fig. 1 to Fig. 4, and the remaining part of bicycle are omitted.

Be fixed on the handle riser A of the A of bicycle handle bar ₂The ear seat 2 on top comprises square otic placode 2b and two semicircle clip 2a of vertical layout, and two clip 2a left and right symmetricallies are stuck in handle riser A ₂Top, the front end of two clip 2a connects by binding bolt, the bottom of otic placode 2b place between the rear end of two clip 2a and the three by the binding bolt connection that reclines, the upper end of otic placode 2b be higher than handlebar A transverse tube A ₁, the trailing flank top of otic placode 2b has one to be used for and dwang 1 pivotally attached hinge ear 2c.

About the dwang 1 arranged hinged with ear seat 2 by hinge ear 2c, the length of setting the left side section body of rod (promptly being in that section body of rod between dwang 1 left end and the ear seat 2) on the dwang 1 is L ₁, the length of setting the right section body of rod (promptly being in that section body of rod between dwang 1 right-hand member and the ear seat 2) on the dwang 1 is L ₂, L then ₁: L ₂Be roughly 5.9: 1.Chain 4 and flywheel 5 engagements that are installed in bicycle front axle D right-hand member, an end of chain 4 passes through the right fork blade C that stay cord 3 connects with the right-hand member of dwang 1, the other end passes through spring 6 and bicycle front fork C ₁On front brake C ₂Connect.

The left surface top of otic placode 2b (being away from that top, side of stay cord 3 in the left and right sides face of otic placode 2b) is installed with the position-limited lever 2d that is higher than dwang 1, and position-limited lever 2d is a pole.The left side limited bar 2d of the section body of rod on the dwang 1 pushes down, so that dwang 1 is in the trend of rotating to vehicle frame B direction all the time, the length sum of stay cord 3, chain 4 is enough to make that spring 6 is in the state that is not stretched, the positive veer of the flywheel (being omitted among Fig. 1 to Fig. 4, not shown) on flywheel 5 and the bicycle rear axle, reverses direction are corresponding identical respectively.

Chain 4, flywheel 5, spring 6 buyables.

When going up a slope by bike, the bicyclist holds a transverse tube A by the right hand ₁To grasp the travel direction of bicycle, left hand is held the left side section body of rod and the downward application of force on the dwang 1, allow dwang 1 rotate to the direction of vehicle frame B, like this, stay cord 3 will on the flywheel 5 carrying chain 4 and drive front axle D right-hand member just changeing (promptly clockwise rotating) so that front-wheel E rotates in the same way, drive bicycle running (in this process, spring 6 is in extended state); Then, the bicyclist unclamps its left hand of holding dwang 1, rely on the contraction of spring 6, allow dwang 1 counter-rotation, make stay cord 3, chain 4, flywheel 5 set back separately, the state that makes spring 6 be in once more not to be stretched (drive flywheel 5 reversings in this process, promptly drive flywheel 5 and rotate counterclockwise, flywheel 5 no longer drives bicycle running); Then, can repeatedly repeat two above processes.Therefore, can be under the prerequisite that does not influence the original power delivery mode of bicycle, increased a kind of power delivery mode (promptly giving bicycle by this servo-unit with the transmission of power of hand) again, the power of dual mode transmission drives bicycle running jointly, thereby comparatively light when going up a slope by bike.

This servo-unit can be made into the series of products of multiple model, to adapt to the bicycle in different wheels footpath.

Above-described only is a kind of embodiment of the present utility model.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model principle, can also make some modification and improvement, these also should be considered as belonging to protection domain of the present utility model.Such as: the left side section body of rod on the dwang also can determine as required flexibly with the length ratio of the right section body of rod; Flywheel also can be installed in the left end of bicycle front axle, about the dwang arranged hinged with the ear seat by cutting with scissors ear, chain and flywheel engagement, one end of chain connects with the left end of dwang by stay cord, the other end connects by the front brake on the left fork blade of spring and bicycle front fork, the right flank top of otic placode is installed with the position-limited lever that is higher than dwang, the limited bar of the right section body of rod on the dwang is pushed down, so that dwang is in the trend of rotating to the vehicle frame direction all the time, stay cord, the state that the length sum of chain is enough to make spring be in and is not stretched, the positive veer of the flywheel on flywheel and the bicycle rear axle, reverses direction is corresponding identical respectively; The ear seat also can adopt other version that is suitable for; In addition, the utility model also can be used with three-wheel vehicle or disabled person's car.

Claims

1, the manual servo-unit of rickshaw, it is characterized in that: it has dwang, the ear seat, stay cord, chain, flywheel, spring, about the dwang arranged hinged with the ear seat on the handle riser top that is fixed on the rickshaw handlebar, chain and the flywheel engagement that is installed in rickshaw front axle one end, one end of chain connects with a corresponding end of dwang by stay cord, the other end connects with the corresponding fork blade of rickshaw front fork by spring, the position-limited lever that is higher than dwang is arranged on the ear seat, the limited bar of that section body of rod that is on the dwang between its other end and the ear seat is pushed down, so that dwang is in the trend of rotating to rickshaw vehicle frame direction all the time, stay cord, the state that the length sum of chain is enough to make spring be in and is not stretched, the positive veer of the flywheel on flywheel and the rickshaw rear axle, reverses direction is corresponding identical respectively.

2, the manual servo-unit of rickshaw according to claim 1, it is characterized in that: described ear seat comprises square otic placode and two semicircle clips of vertical layout, two clip left and right symmetricallies are stuck in the handle riser top of rickshaw handlebar, the front end of two clips connects by fastener, the bottom of otic placode place between the rear end of two clips and the three by the fastener connection that reclines, the trailing flank top of otic placode has one to be used for and dwang pivotally attached hinge ear, and position-limited lever is away from that top, side of stay cord in pole and the left and right sides face that is installed in otic placode.