CN201357908Y

CN201357908Y - Foldable bicycle

Info

Publication number: CN201357908Y
Application number: CNU200920022645XU
Authority: CN
Inventors: 丁士清
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-02-27
Filing date: 2009-02-27
Publication date: 2009-12-09
Anticipated expiration: 2019-02-27

Abstract

The utility model discloses a foldable bicycle which comprises handle bars and a seat, and further comprises a rear shaft, wherein two ends of the rear shaft are respectively provided with rear wheels, a rear beam is installed on the rear shaft, the rear shaft is provided with a back inclined post through a hinge, the middle of the back inclined post is a hollow cavity, the top end of the back inclined post is provided with a sleeve through a hinge, the sleeve is provided with a rear upright post, the top end of the rear upright post is provided with the seat, the sleeve is provided with an upper crossbeam on the rear portion through a hinge, one end of the upper crossbeam on the rear portion is hinged with an upper crossbeam on the front portion, the upper crossbeam on the front portion is connected with a front upright post through a hinge, the upper crossbeam on the front portion or the upper crossbeam on the rear portion is provided with a sliding fixed sleeve, a rear beam is provided with a fixed seat and a main sprocket wheel, the rear beam is connected with the lower portion of the front upright post through a lower crossbeam, the upper portion of the front upright post is provided with the handle bars, and the bottom of the front upright post is provided with a front wheel. The foldable bicycle is characterized in that the structure is reasonable, and is convenient for folding, multiple components can be folded, the volume is small after folding, which is convenient for carrying, and the heights of both the seat and the handle bars can be adjusted, which can increase comfortable degree in riding.

Description

A kind of Folding Bicycle

Technical field

The utility model relates to the bicycle field, specifically is a kind of Folding Bicycle.

Background technology

Bicycle is as the vehicle now commonly used, has environmental protection, advantage such as energy-conservation.But most of bicycle structure is bigger on the market, and is not suitable for carrying and deposits.Though Collapsible bicycle is arranged, existing Folding Bicycle volume after folding is still bigger, not portable, and its folding mode complexity is loaded down with trivial details, is difficult for using.

Summary of the invention

The purpose of this utility model is to provide a kind of Folding Bicycle, and it can solve the deficiency that exists in the known technology, and is rational in infrastructure, and folding operation is convenient, and volume after folding is little.

The utility model for achieving the above object, be achieved through the following technical solutions: a kind of Folding Bicycle, comprise handlebar and vehicle seat, also comprise rear axle, trailing wheel is installed at the rear axle two ends respectively, the back rest is installed on the rear axle, the rear axle upper hinge is installed the back batter post, in the middle of the back batter post is cavity, and the capital end hinge installing sleeve that retreads is provided with rear column in the sleeve, vehicle seat is installed on the rear column top, the sleeve upper hinge is installed the rear portion entablatrance, rear portion entablatrance one end and anterior entablatrance hinge, and anterior entablatrance is connected with the A-pillar hinge, on anterior entablatrance or the rear portion entablatrance slip fixed cover is set, install and fix seat and head sprocket on the back rest, the rotating shaft two ends of head sprocket are installed car and are pedaled, head sprocket by driving device with transmission of power to rear axle, the back rest is connected with the A-pillar bottom by cross sill, cross sill is connected with the A-pillar hinge with the back rest respectively, and handlebar is installed on A-pillar top, and front-wheel is installed in the A-pillar bottom.

Anterior entablatrance is made up of the first anterior entablatrance and the second anterior entablatrance, the first anterior entablatrance and second anterior entablatrance one end respectively with the A-pillar hinge, the rear portion entablatrance is made up of the first rear portion entablatrance and the second rear portion entablatrance, the first rear portion entablatrance and the second rear portion entablatrance respectively with the sleeve hinge, the first anterior entablatrance and the first rear portion entablatrance hinge, on the first anterior entablatrance or the first rear portion entablatrance first slider tube is set, the second anterior entablatrance and the second rear portion entablatrance hinge are provided with second slider tube on the second anterior entablatrance or the second rear portion entablatrance.Handlebar is collapsible handlebar, is made up of handlebar seat, folding handle and the 3rd slider tube, and folding handle is installed at handlebar seat two ends hinge respectively, and the folding handle hinge place at handlebar seat and two ends is provided with the 3rd slider tube respectively.Cavity is set in the A-pillar, telescopic column is installed in the cavity, handlebar is installed on the telescopic column top, and first binding bolt is installed in the A-pillar upper end.Rear column inside is cavity, and the bottom linkage rod of vehicle seat is installed in the cavity, and second binding bolt is installed in the rear column upper end.Intermediate chain wheel is installed on the back rest, and intermediate chain wheel is connected with rear axle with head sprocket respectively by driving band.

Advantage of the present utility model is: rational in infrastructure, be convenient to fold; Multi-part is all collapsible, and volume after folding is little, is easy to carry; Vehicle seat, the handlebar height is all adjustable, the comfort level when improving by bike; Adopt three wheels, folding aftercarriage can be used as bench and uses; Simple for structure, cost is low etc.

Description of drawings

Accompanying drawing 1 is a main TV structure scheme drawing of the present utility model; Accompanying drawing 2 be in the accompanying drawing 1 A to the structure for amplifying scheme drawing; Accompanying drawing 3 be in the accompanying drawing 1 B-B to section structure for amplifying scheme drawing; Accompanying drawing 4 be in the accompanying drawing 1 C to structural representation; Accompanying drawing 5 is the structural representations after the utility model folds.

The specific embodiment

Agent structure of the present utility model has handlebar 6 and vehicle seat 9, also comprise rear axle 16, trailing wheel 15 is installed at rear axle 16 two ends respectively, the back rest 18 is installed on the rear axle 16, rear axle 16 upper hinges are installed back batter post 13, in the middle of the back batter post 13 is cavity 24, back batter post 13 top hinge installing sleeves 12, sleeve 12 can be around the hinge-point rotation, rear column 11 is set in the sleeve 12, vehicle seat 9 is installed on rear column 11 tops, and rear column 11 can move up and down in sleeve 12, and can be positioned over after smoking in the cavity 24 in the batter post 13 of back.Sleeve 12 upper hinges are installed the rear portion entablatrance, rear portion entablatrance one end and anterior entablatrance hinge, and anterior entablatrance is connected with A-pillar 2 hinges, on anterior entablatrance or the rear portion entablatrance slip fixed cover is set.When driving, above-mentioned slip fixed cover is adjusted to the hinge-point place of anterior entablatrance and rear portion entablatrance, thereby anterior entablatrance and rear portion entablatrance are fixed into in-line; When folding, above-mentioned slip fixed cover moved on on anterior entablatrance or the rear portion entablatrance fully, thereby anterior entablatrance and rear portion entablatrance are folded around hinge-point.Install and fix seat 14 and head sprocket 21 on the back rest 18.In when driving, the bottom of rear column 11 described in the utility model is placed in the permanent seat 14.The rotating shaft two ends installation car of head sprocket 21 pedals 19, head sprocket 21 by driving device with transmission of power to rear axle 16, the back rest 18 is connected with A-pillar 2 bottoms by cross sill 22, cross sill 22 is connected with A-pillar 2 hinges with the back rest 18 respectively, handlebar 6 is installed on A-pillar 2 tops, and front-wheel 1 is installed in the A-pillar bottom.

The utility model is further characterized in that: more firm in order to make car body, be beneficial to folding simultaneously, anterior entablatrance described in the utility model is made up of the first anterior entablatrance 3 and the second anterior entablatrance 27, the first anterior entablatrance 3 and second anterior entablatrance 27 1 ends respectively with A-pillar 2 hinges, the rear portion entablatrance is made up of the first rear portion entablatrance 8 and the second rear portion entablatrance 29, the first rear portion entablatrance 8 and the second rear portion entablatrance 29 respectively with sleeve 12 hinges, the first anterior entablatrance 3 and the first rear portion entablatrance, 8 hinges, on the first anterior entablatrance 3 or the first rear portion entablatrance 8 first slider tube 7 is set, the second anterior entablatrance 27 and the second rear portion entablatrance, 29 hinges are provided with second slider tube 28 on the second anterior entablatrance 27 or the second rear portion entablatrance 29.Anterior entablatrance and rear portion entablatrance are set to two respectively, utilize space therebetween, can when folding, cross sill 22 be placed on wherein, make volume after folding littler.

In order further to reduce the volume after the utility model folds, handlebar 6 preferred collapsible handlebars, it is made up of handlebar seat 23, folding handle 25 and the 3rd slider tube 26, folding handle 25 is installed at handlebar seat 23 two ends hinge respectively, and handlebar seat 23 is provided with the 3rd slider tube 26 respectively with the folding handle 25 hinge places at two ends.In the time of by bike, folding handle 25 is placed on and handlebar seat 23 equal heights, then the 3rd slider tube 26 is moved to the hinge-point place of folding handle 25 and handlebar seat 23; When folding, the 3rd slider tube 26 is moved on folding handle 25 or the handlebar seat 23 fully, folding handle 25 can be hung down, reduce volume after folding.

For the ease of using and adjusting, reduce volume after folding, in A-pillar 2 described in the utility model, cavity is set, telescopic column 5 is installed in the cavity, handlebar 6 is installed on telescopic column 5 tops, and first binding bolt 4 is installed in A-pillar 2 upper ends.During driving, unclamp first binding bolt 4 after, can adjust the height of telescopic column 5, according to rider's difference, handlebar 6 height adjustments to proper height, are tightened first binding bolt 4 then and get final product; When folding, telescopic column 5 as for A-pillar 2 bottoms, is tightened first binding bolt 4 and gets final product.The utility model is further characterized in that: rear column 11 inside are cavity, the bottom linkage rod of vehicle seat 9 is installed in the cavity, second binding bolt 10 is installed in rear column 11 upper ends, above-mentioned design plan can be adjusted vehicle seat 9 height according to the rider, more comfortable when making by bike, volume after folding is littler simultaneously, is easy to carry more.

Head sprocket 21 can directly be connected by driving band with rear axle 16.In order to increase transmitting ratio, improve the speed of a motor vehicle, the preferred scheme of the utility model is that intermediate chain wheel 17 is installed on the back rest 18, intermediate chain wheel 17 is connected with gear on the rear axle 16 with head sprocket 21 respectively by driving band.

When the utility model uses, when folding, the slip fixed cover is moved on anterior entablatrance or the rear portion entablatrance fully, rear column 11 is proposed from permanent seat 14, turnbarrel 12, rear column 11 is put into the cavity 24 of back batter post 13, rotation rear axle 16 rotates to batter post 13 next doors, back with the back rest 18, the hinge-point of anterior entablatrance and rear portion entablatrance moves down, thereby A-pillar 2 is moved near batter post 13 places, back, unclamp first binding bolt 4 and second binding bolt 10 then, pack up handlebar 6 and vehicle seat 9, folding the finishing of the utility model this moment; In the time of by bike, get final product according to above-mentioned reverse procedure assembling.

Claims

1, a kind of Folding Bicycle, comprise handlebar (6) and vehicle seat (9), it is characterized in that: also comprise rear axle (16), trailing wheel (15) is installed at rear axle (16) two ends respectively, rear axle (16) is gone up the back rest (18) is installed, rear axle (16) upper hinge is installed back batter post (13), in the middle of the back batter post (13) is cavity (24), back batter post (13) top hinge installing sleeve (12), rear column (11) is set in the sleeve (12), vehicle seat (9) is installed on rear column (11) top, sleeve (12) upper hinge is installed the rear portion entablatrance, rear portion entablatrance one end and anterior entablatrance hinge, anterior entablatrance is connected with A-pillar (2) hinge, on anterior entablatrance or the rear portion entablatrance slip fixed cover is set, install and fix seat (14) and head sprocket (21) on the back rest (18), the rotating shaft two ends installation car of head sprocket (21) is pedaled (19), head sprocket (21) arrives transmission of power on the rear axle (16) by driving device, the back rest (18) is connected with A-pillar (2) bottom by cross sill (22), cross sill (22) is connected with A-pillar (2) hinge with the back rest (18) respectively, handlebar (6) is installed on A-pillar (2) top, and front-wheel (1) is installed in the A-pillar bottom.

2, a kind of Folding Bicycle according to claim 1, it is characterized in that: anterior entablatrance has the first anterior entablatrance (3) and the second anterior entablatrance (27) to form, the first anterior entablatrance (3) and second anterior entablatrance (27) one ends respectively with A-pillar (2) hinge, the rear portion entablatrance has the first rear portion entablatrance (8) and the second rear portion entablatrance (29) to form, the first rear portion entablatrance (8) and the second rear portion entablatrance (29) respectively with sleeve (12) hinge, the first anterior entablatrance (3) and first rear portion entablatrance (8) hinge, on the first anterior entablatrance (3) or the first rear portion entablatrance (8) first slider tube (7) is set, the second anterior entablatrance (27) and second rear portion entablatrance (29) hinge are provided with second slider tube (28) on the second anterior entablatrance (27) or the second rear portion entablatrance (29).

3, a kind of Folding Bicycle according to claim 1, it is characterized in that: handlebar (6) is collapsible handlebar, form by handlebar seat (23), folding handle (25) and the 3rd slider tube (26), folding handle (25) is installed at handlebar seat (23) two ends hinge respectively, and handlebar seat (23) is provided with the 3rd slider tube (26) respectively with folding handle (25) the hinge place at two ends.

4, according to claim 1,2 or 3 each described a kind of Folding Bicycles, it is characterized in that: A-pillar is provided with cavity in (2), telescopic column (5) is installed in the cavity, and handlebar (6) is installed on telescopic column (5) top, and first binding bolt (4) is installed in A-pillar (2) upper end.

5, a kind of Folding Bicycle according to claim 1 and 2 is characterized in that: rear column (11) is inner to be cavity, and the bottom linkage rod of vehicle seat (9) is installed in the cavity, and second binding bolt (10) is installed in rear column (11) upper end.

6, a kind of Folding Bicycle according to claim 4 is characterized in that: rear column (11) is inner to be cavity, and the bottom linkage rod of vehicle seat (9) is installed in the cavity, and second binding bolt (10) is installed in rear column (11) upper end.

7, according to claim 1,2,3 or 6 each described a kind of Folding Bicycles, it is characterized in that: the back rest (18) is gone up intermediate chain wheel (17) is installed, and intermediate chain wheel (17) is connected with rear axle (16) with head sprocket (21) respectively by driving band.