CN100493983C

CN100493983C - Rotatable folding portable electric bicycle

Info

Publication number: CN100493983C
Application number: CNB200710049789XA
Authority: CN
Inventors: 张博
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-08-20
Filing date: 2007-08-20
Publication date: 2009-06-03
Anticipated expiration: 2027-08-20
Also published as: CN101108640A

Abstract

The invention discloses a portable electric bicycle capable of awhirl folding. The invention totally arranged 8 rotating fulcrums between rotating button boxes between an upper middle shaft and an upper back shaft, between the upper middle shaft and an interlocking bar, between the interlocking bar and a lower seat shaft, between the lower seat shaft and a lower back shaft, between a lower front shaft and a lower middle shaft, between the lower middle shaft and the lower back shaft and in the middle of the lower middle shaft with two open ends in the middle of the lower middle shaft. Batteries of an electric drive device are arranged in a shaft tube. Under the telescopic action of the 8 rotating fulcrums and the front and rear shafts, the invention can be folded to very small volume and is convenient to carry. Driven by electricity and because the batteries do not occupy the external space, the invention saves labor and is fast, which is widely applied in the occasions where the public transport means cannot reach when traveling, camping and going out and is suitable for the occasions that parking lot is not existed, no vacant positions in the parking lot or the parking position is too small.

Description

Portable electric bicycle capable of awhirl folding

Technical field

The present invention relates to a kind of bicycle, relate in particular to a kind of portable electric bicycle capable of awhirl folding, belong to the production field of portable electric bicycle.

Background technology

Bicycle is a kind of very important vehicle, because of its facility, environmental protection, practical the liking of people that be subjected to, in recent years because the automobile increment is too big, hardware facility deficiencies such as road, and exhaust emissions pollutes, government also encourages people to use bicycle as the vehicle in the city as far as possible, so the development of bicycle trade is very fast.Along with variation, personalization and the practicability of people's demand, variable speed bicycle, portable bicycle, portable bicycle, Electrical Bicycle etc. have successively been released in market.

At present, the portable bicycle on the market, based on folding bicycle, its folding mode is mainly telescopic and rotary two kinds, is generally the combination of this dual mode.The telescopic segmentation that mainly is presented as various d-axis is flexible, uses very universal; Revolving application is mainly reflected in: front and back segmentation rotary folding, rotary folding up and down.The defective of existing rotary type folding is: mode is single, and general only is front and back rotary folding or rotary folding up and down; Pivot point is few, is generally 1---3 pivot point, more than the problem that caused be folding thorough inadequately, volume reduces not bring into play maximum effect.

In addition, the Electrical Bicycle on the market, to take volume bigger because of its storage battery, controller etc., so car load volume and quality are all bigger, is unfavorable for the occasion of the light use of needs.

Summary of the invention

Purpose of the present invention provides a kind of portable electric bicycle capable of awhirl folding with regard to being in order to address the above problem, and the volume behind this bicycle folding is very little, is easy to carry and laborsaving, quick.

To achieve these goals, the present invention adopts following technical scheme:

The present invention includes headstock, front axle, front-wheel, axis, rear axle, the seat axle, seat cushion, trailing wheel, engine installation and driving device, wherein, front axle is telescopic, comprise front axle and following front axle, axis comprises short last axis and long following axis, rear axle is telescopic, comprise rear axle and following rear axle, the seat axle is telescopic, comprise seat of honour axle and following axle, on the basis of said structure, be connected by pivot point is rotatable between the rear end of last axis and the upper end of last rear axle, the rear end of last axis is connected by pivot point is rotatable with an end of gangbar, the other end of gangbar is by upper end rotatable be connected of pivot point with following axle, be connected by pivot point is rotatable between the lower end of following seat axle and the upper end of following rear axle, the middle and lower part of following front axle is connected by pivot point is rotatable with the front end of following axis, the rear end of following axis is connected by pivot point is rotatable with the lower end of following rear axle, the middle part of following axis is provided with the rotary knob box, the rotary knob box by two pivot points respectively with following axis in the middle part of two rotatable connections of open end; Described engine installation is: lithium cell is installed in central siphon, swivel bearing outside at wheel is equipped with DC machine, control capsule is installed on vehicle frame, switch and controller are installed in the control capsule, connect by electric wire and/or order wire mutually between lithium cell, DC machine and the control capsule, stretcher is installed in the lower portion of descending rear axle.

Conventional rotary connection mode is adopted in above-mentioned rotatable connection, and the function of rotation and chucking is arranged, and pivot point is provided with button.Like this, under the telescopic action of above-mentioned 8 pivot points and forward and backward axle, the present invention can be folded to very little volume; Because it is minimum that electric device takes up room, thus can effectively reduce the volume of car load after folding, and realized driven by power mode and manpower type of drive and deposit, strengthened the use alerting ability.

The present invention is when needs are folding, and can operate in accordance with the following methods: (1) depresses down the button of the rotary knob box on the axis, lifts the rotary knob box on slowly then, makes down axis become the low-angle folded state; (2) unclamp the quick elastic clip control key of front axle and rear axle, be pressed into main lock button, with the top of delaying unloading under the belly till can not press down; (3) depress the button of the pivot point relevant, seat cushion is rotated to the back lower place stick in the crank case with seat cushion; (4) stretcher is rotated to correct position.On the contrary, open the present invention, can realize by the process opposite with said method.

As a further improvement on the present invention, adopt telescopic rotatable connection between last front axle and the following front axle, be provided with turning device at the place, the inner of the handle of headstock, handle can be at the vertical direction maximum an angle of 90 degrees degree that overturns.Described turning device is conventional turning device, and upset and chucking function are arranged.Folding when of the present invention, earlier with headstock Rotate 180 degree, handle is turned over downwards turn 90 degrees again, then can further dwindle the car load volume.

Be provided with turning device by the point of transition position on the axle of stretcher, stretcher can be at the vertical direction maximum an angle of 90 degrees degree that overturns.Described turning device is conventional turning device, and upset and chucking function are arranged.Folding of the present invention last, stretcher at vertical direction upset an angle of 90 degrees degree, can further be dwindled the car load volume.

As preferred version of the present invention, in the described engine installation, lithium cell is installed in the central siphon of front axle, at the lower port place of the central siphon of last front axle spring is installed, and DC machine is installed on the swivel bearing periphery of front-wheel, and control capsule is installed on the crossbeam of headstock.This structure had both been saved the space, and was easy to use again.

Driving chain in the described driving device adopts the low twin chain bar of safeguarding that thoroughly is attached, and it is hidden in and protects in the chain shell.This structure can conserve space, and is not fragile again, and transmission is effective.

Except that adopting the parts of other material, full car all adopts the carbon brazing material.The quality of carbon brazing material is good, and is not fragile, and light weight, can obviously reduce the weight of car load.

Beneficial effect of the present invention is:

As from the foregoing, the present invention can be folded to very little volume, and is easy to carry; But because driven by power, and the vacant space outerpace of battery, so laborsaving, quick, public transport means can not arrive occasions such as part in the way that can be widely used in travelling, encamps, go out, being applicable to does not have parking area or parking area not to have room or the too little occasion of stop position yet.

Description of drawings

Fig. 1 is that main TV structure figure cuts open in the office of open mode of the present invention;

Fig. 2 is the enlarged drawing of " A " among Fig. 1;

Fig. 3 is the main TV structure figure of folded state of the present invention.

The specific embodiment

Below in conjunction with accompanying drawing the present invention is further described in detail:

As shown in Figure 1, the present invention includes headstock 2, front axle, front-wheel 8, axis, rear axle, the seat axle, seat cushion 15, trailing wheel 27, engine installation and driving device, wherein, front axle is telescopic, comprise front axle 5 and following front axle 6, axis comprises short last axis 10 and long following axis 30, rear axle is telescopic, comprise rear axle 17 and following rear axle 20, the seat axle is telescopic, comprise seat of honour axle 16 and following axle 18, on the basis of said structure, between the upper end of the rear end of last axis 10 and last rear axle 17 by 11 rotatable connections of pivot point, one end of the rear end of last axis 10 and gangbar 13 is by 12 rotatable connections of pivot point, the other end of gangbar 13 is by upper end rotatable be connected of pivot point 31 with following axle 18, between the lower end of following seat axle 18 and the upper end of following rear axle 20 by 19 rotatable connections of pivot point, the front end of the middle and lower part of following front axle 6 and following axis 31 is by 9 rotatable connections of pivot point, the lower end of the rear end of following axis 31 and following rear axle 20 is by 26 rotatable connections of pivot point, the middle part of following axis 31 is provided with rotary knob box 21, rotary knob box 21 by two pivot points 22 with 23 respectively with two rotatable connections of open end at following axis 31 middle parts.Under the telescopic action of above-mentioned 8 pivot points and forward and backward axle, the present invention can be folded to very little volume.

As depicted in figs. 1 and 2, described engine installation is: in the lower case of the central siphon 5 of last front axle lithium cell 28 is installed, lower port place at the central siphon 5 of last front axle is equipped with spring 29, swivel bearing outside at front-wheel 8 is equipped with DC machine 7, control capsule 1 is installed on the crossbeam of headstock 2, switch and controller are installed in the control capsule 1, connect by electric wire and/or order wire mutually between lithium cell 28, DC machine 7 and the control capsule 1; Lower portion at following rear axle is equipped with stretcher 25.Spring 29 is used to tighten front axle on the one hand, is convenient to install and take out lithium cell 28 on the other hand.In the said apparatus, electric device takes up room minimum, has effectively saved the space, and realized driven by power mode and manpower type of drive and deposit, strengthened alerting ability.

As shown in Figure 1, adopt telescopic rotatable connection between last front axle 5 and the following front axle 6, the handle 3 of headstock 2 can rotate maximum an angle of 90 degrees degree in vertical direction.Be provided with turning device by the point of transition position on the axle of stretcher 25, stretcher can be at the vertical direction maximum an angle of 90 degrees degree that overturns.

As shown in figures 1 and 3, folding the present invention, can operate in accordance with the following methods: (1) is rotated down handle 90 degree again with headstock Rotate 180 degree; (2) depress down the button of the rotary knob box 21 on the axis 31, lift rotary knob box 21 on slowly then, make down 31 one-tenth low-angle folded states of axis; (3) unclamp the quick elastic clip control key of front axle and rear axle, be pressed into main lock button, with the top of delaying unloading under the belly till can not press down; (4) depress the button of the pivot point relevant, seat cushion 15 is rotated to the back lower place stick in the crank case with seat cushion 15; (5) stretcher 25 is rotated to correct position, and with stretcher at vertical direction upset an angle of 90 degrees degree.On the contrary, open the present invention, can realize by the process opposite with said method.

From the contrast of Fig. 3 and Fig. 1 as can be seen, the volume ratio of the present invention after folding was much smaller originally, and reality can reach about 0.03 cubic meter.

Except that adopting the parts of other material, full car all adopts the carbon brazing material.The quality of carbon brazing material is good, and is not fragile, and light weight, can obviously reduce the weight of car load, and reality can reach about 5.7 kilograms.

Lithium cell of the present invention also can be installed on axis or go up in the central siphon of axle the back, and motor also can be installed on trailing wheel.

Claims

1, a kind of portable electric bicycle capable of awhirl folding, comprise headstock (2), front axle, front-wheel (8), axis, rear axle, the seat axle, seat cushion (15), trailing wheel (27), engine installation and driving device, wherein, front axle is telescopic, comprise front axle (5) and following front axle (6), axis comprises short last axis (10) and long following axis (30), rear axle is telescopic, comprise rear axle (17) and following rear axle (20), the seat axle is telescopic, comprise seat of honour axle (16) and following axle (18), it is characterized in that: between the rear end of going up axis (10) and the upper end of last rear axle (17) by rotatable connection of first pivot point (11), one end of the rear end of last axis (10) and gangbar (13) is by rotatable connection of second pivot point (12), the other end of gangbar (13) is by upper end rotatable be connected of the 3rd pivot point (31) with following axle (18), between the lower end of following seat axle (18) and the upper end of following rear axle (20) by rotatable connection of the 4th pivot point (19), the front end of the middle and lower part of following front axle (6) and following axis (30) is by rotatable connection of the 5th pivot point (9), the lower end of the rear end of following axis (30) and following rear axle (20) is by rotatable connection of the 6th pivot point (26), the middle part of following axis (30) is provided with rotary knob box (21), and rotary knob box (21) is by the 7th pivot point (22), the 8th pivot point (23) respectively with two rotatable connections of open end at following axis (30) middle part; Described engine installation is: on described front axle, axis or on lithium cell (28) is installed in the central siphon of rear axle, in the swivel bearing outside of wheel DC machine (7) is installed, control capsule (1) is installed on vehicle frame, control capsule is equipped with switch and controller in (1), connect by electric wire mutually between lithium cell (28), DC machine (7) and the control capsule (1), stretcher (25) is installed in the lower portion of descending rear axle (20).

2, portable electric bicycle capable of awhirl folding according to claim 1, it is characterized in that: the central siphon in the described engine installation is the central siphon (5) of last front axle, lower port place at the central siphon (5) of last front axle is equipped with spring (29), DC machine (7) is installed on the swivel bearing periphery of front-wheel (8), and control capsule (1) is installed on the crossbeam of headstock (2).