CN201205950Y

CN201205950Y - Foldable bicycle

Info

Publication number: CN201205950Y
Application number: CNU2007200732626U
Authority: CN
Inventors: 滕展国
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-08-03
Filing date: 2007-08-03
Publication date: 2009-03-11
Anticipated expiration: 2017-08-03

Abstract

The utility model discloses a folding bicycle, handlebars of which can be folded and connected through a hinge connector; a middle upright bar is inserted into a fastener of the bicycle upright bar and is vertically retractable; a frame and a front frame are connected via the hinge connector; the front frame is divided into two sections and fixed via a locating pin; a double-standing saddle pipe has a vertically retractable structure; an inclined strut is composed of two pipes with the same diameter and a movable sleeve with a groove being formed at the middle part is arranged in the middle of the inclined strut; the sleeve is suspended on the upper pipes and the two pipes are aligned with each other; and the two pipes form a whole, that is, a bicycle in a riding state, whereas the bicycle can be folded when the pipes of the inclined strut are separated with each other, and the seat can be steadily laid on the ground when the bicycle is folded. The bicycle has the advantages of small size and high portability.

Description

Folding bicycle

Technical field

The utility model relates to a kind of folding bicycle, and its structure is a folded form and easy to carry and store, belongs to the technical field of bicycle.

Background technology

At present, remain a kind of main vehicle, but by bike people need transfer to bus or subway could arrive the destination sometimes at China's bicycle.Behind the bicycle folding, volume is reduced and moving when being easy to carry, it is very little that its advantage also is embodied in as the area of residential building, and the bicycle after folding can be convenient to be placed on indoor, both can exempt from wind and weather and reduce its service life, can also exempt from stolen.

Summary of the invention

The purpose of this utility model is that a kind of folding bicycle will be provided, collapsible moulding when parking or move and its volume is reduced, operation and use all very easy.

The utility model is achieved in that pedestal 1 integral body is the groove formula, porose axis 20 and the two upright saddle pipe axle 15 of packing on the plane of both sides, front vehicle frame 2 usefulness locating dowel pins 17 are fixed in pedestal 1, front vehicle frame 2 usefulness hinge adaptor unions 13 are connected with vehicle frame 6, handlebar 3 can fold and connect with the hinge adaptor union, pedestal 1 is connected with back vehicle frame 10, and diagonal brace 9 is connected with two upright saddle pipes 8 and back vehicle frame 10.Front vehicle frame 2 is made up of tubule 62-1 and extra heavy pipe 2-2, and the tubule 2-1 of front vehicle frame 2 inserts among the extra heavy pipe 2-2 and with locating dowel pin 14 and fixes, and extra heavy pipe 2-2 is rotationally connected with two upright saddle pipe axles 15.Diagonal brace 9 saves identical pipe 9-1 of diameters and 9-2 and quill 25 by two and forms, the centre of sleeve 25 has a groove 25, the pipe 9-1 on top is connected with two upright saddle pipes 8, and bottom cover upper bush 25, the pipe 9-2 of bottom is connected with back vehicle frame 10, pipe 9-1 and pipe 9-2 are aligned with each other, and sleeve 25 also is enclosed within above the pipe 9-2.Two upright saddle pipes 8 are flexible up and down structures.Pedestal 1 porose 18 is used for connecting support 11.

The advantage of folding bicycle is that handlebar is divided into two joints and connects with special hinge adaptor union, and it is convenient to fold and stretching structure can be adjusted with the difference of cyclist's height.Vehicle frame is connected with the hinge adaptor union with front vehicle frame and is folding easy, front vehicle frame is divided into two joints and can stretches, two upright saddles also are flexible up and down structures, diagonal brace can support the distance between two upright saddle pipes and the back vehicle frame, and carrying cyclist's weight, diagonal brace has two identical pipes, and a quill and middle fluting are adorned in the centre, and the upper end of groove hangs over the top of diagonal brace.

Description of drawings

Figure 1A. the folding bicycle scheme drawing

Figure 1B. the fastener connection diagram

Fig. 2 A. handlebar folds scheme drawing

Fig. 2 B. handlebar launches scheme drawing

Fig. 3 A. vehicle frame and front vehicle frame connection diagram

Fig. 3 B. front vehicle frame part A is to view

Fig. 4 A. base plane structural representation

Fig. 4 B. base side view

Fig. 4 C. pedestal partial side view

Two upright saddle pipes of Fig. 5 A. and pedestal connection diagram

The two upright saddle pipe scheme drawings of Fig. 5 B.

The two upright saddle pipe scheme drawing of Fig. 5 C. Fig. 5 B

Two upright saddle pipes of Fig. 6-A. and pedestal johning knot composition

The two upright saddle pipe telescopic adjustment scheme drawings of Fig. 6-B.

Vehicle frame and pedestal connection diagram behind Fig. 7 A.

Vehicle frame and pedestal connection diagram behind Fig. 7 B.

Vehicle frame, two upright saddle pipe and diagonal brace connection diagram behind Fig. 8 A.

The folding scheme drawing of vehicle frame, two upright saddle pipe and diagonal brace behind Fig. 8 B.

Fig. 9. the bicycle folding view

The specific embodiment

By Figure 1A, 1B, vehicle frame 6 is connected with an end of front vehicle frame 2, the other end of front vehicle frame 2 connects pedestal 1 again, car vertical rod 5 in the middle of the handlebar 3 is inserted in the thick pipe 2-2, by fastener 4 control and regulation height, the lower end of two upright saddle pipes 8 is connected with pedestal 1, vehicle seat 7 is equipped with in the upper end, pedestal 1 is connected with back vehicle frame 10 again, and pedestal 1 connects one to be supported, and car vertical rod 5 has a sleeve, there is bottle screw 28 outside on top on it, and middle part fluting 29, and the fastener 4 of screw thread in processing has outside it makes car vertical rod 5 location in the handlebar 3.

By Fig. 2 A, 2B, handlebar 3 is collapsible, and its burst has special hinge adaptor union 12.

By Fig. 3 A, 3B, be connected with hinge adaptor union 13 between vehicle frame 6 in the car vertical rod 5 and the front vehicle frame 2, front vehicle frame 2 is two different steel pipes of thickness, tubule 2-1 inserts among the extra heavy pipe 2-2, and it is fixing with the location lock 14 of extra heavy pipe front end, if pull out location lock 14, tubule 2-1 can telescopic moving and folding in extra heavy pipe 2-2, and the lower end of extra heavy pipe 2-2 is connected with pair upright saddle pipe axles 15.

By Fig. 4 A, 4B, 4C, pedestal 1 integral body is the groove formula, the porose axis 20 of packing on two side planes, two upright saddle pipe axles 15 of packing into.When folding, two upright saddle pipes 8 vehicle frame 10 backward are fixing.Three locating dowel pins 17 of two upright saddle pipes 8, the knock hole 19 usefulness set pins of front vehicle frame 2 are fixed, and pull out set pin 19 and can make the also folding back vehicle frame 10 that turns to of front vehicle frame 2, support knock hole 18 be used to support 11 fixing.The side of pedestal 1 has bolt of rear end plate 16 to be connected with fly nut 33, in these bolt 16 load holes 34.

By Fig. 5 A, 5B, 5C, the lower end of two upright saddle pipes 8 is axles 15 and is rotationally connected with pedestal 1 that pedestal 1 is inserted in the groove 32 of connecting panel 31, and this connecting panel 31 is semicircular cross-section.

By Fig. 6-A, 6-B, chain wheel 23 is contained on the axis 20, and the two upright saddle pipe 8 that is positioned at pedestal 1 left side is the structures that can stretch up and down, trailing wheel 27 positions that the space on its top is just in time folding.

By Fig. 7 A, 7B, flywheel 22 and back vehicle frame 10 are housed on the axle of trailing wheel 27, chain wheel 23 is connected with flywheel 22 usefulness chains 21, and back vehicle frame 10 adopts welding fixing with pedestal 1.

By Fig. 8 A, 8B, diagonal brace 9 is made up of identical pipe 9-1 and the 9-2 of two joint diameters, add a quill 25, the centre of sleeve 25 has one section groove 25, the upper end of groove hangs over after the two tubes 9-1 of two upright saddle pipe 8 bonded assembly diagonal brace pipe 9-1 below and 9-2 align, sleeve 25 is toward transferring, and makes sleeve 25 lower ends be enclosed within shape (Fig. 8 A) by bike in aggregates above the pipe 9-2, and other end pipe 9-2 is connected with back vehicle frame 10.

By Fig. 1,9, elder generation's removal locating dowel pin 14 (Fig. 3) when folding, the length of shortening front vehicle frame 2 is taken out screw rod 19 front vehicle wheel 26 is drawn close to two upright saddle pipes 8 with car vertical rod 5 and front vehicle frame 2, pulls out locating dowel pin again

17, make them folding to rear wheel 27 together; Otherwise it is promptly rideable just to make bicycle recover Fig. 1 state, utilizes during parking and supports 11 supports, supports 11 when folding and turns to back vehicle frame 10.

Claims

1. folding bicycle, comprise front-wheel, trailing wheel, flywheel, chain and teeth, it is characterized in that pedestal (1) integral body is the groove formula, the porose axis of packing into (20) and two upright saddle pipe axles (15) on the plane of both sides, front vehicle frame (2) is fixed in pedestal (1) with locating dowel pin (17), front vehicle frame (2) is connected with vehicle frame (6) with hinge adaptor union (13), handlebar (3) can fold and connect pedestal (1) with hinge adaptor union (12) and be connected with back vehicle frame (10), and diagonal brace (9) is connected with two upright saddle pipes (8) and back vehicle frame (10).

2. folding bicycle according to claim 1, it is characterized in that front vehicle frame (2) is connected with hinge adaptor union (13) with vehicle frame (6), the tubule (2-1) of front vehicle frame (2) inserts in the extra heavy pipe (2-2) and with locating dowel pin (14) and fixes, and extra heavy pipe (2-2) is rotationally connected with two upright saddle pipe axles (15).

3. folding bicycle according to claim 1, it is characterized in that diagonal brace (9) by the two identical pipes (9-1) of joint diameters and (9-2) and quill (25) form, the centre of sleeve (25) has a groove (25), the pipe on top (9-1) is connected with two upright saddle pipes (8), and bottom cover upper bush (25), the pipe of bottom (9-2) is connected with back vehicle frame (10), and pipe (9-1) and pipe (9-2) are aligned with each other, and sleeve (25) also is enclosed within above the pipe (9-2).

4. folding bicycle according to claim 1 is characterized in that two upright saddle pipes (8) are flexible up and down structures.

5. folding bicycle according to claim 1 is characterized in that pedestal (1) porose (18) is used for connecting support (11).