CN205971671U

CN205971671U - Can folding bicycle

Info

Publication number: CN205971671U
Application number: CN201620761373.5U
Authority: CN
Inventors: 张阿维; 付艳秋; 高小针
Original assignee: Xian Polytechnic University
Current assignee: Xian Polytechnic University
Priority date: 2016-07-19
Filing date: 2016-07-19
Publication date: 2017-02-22
Anticipated expiration: 2026-07-19

Abstract

The utility model discloses a can folding bicycle, including the frame, the frame both ends are connected with front fork and rear axle respectively, and the front fork both ends are connected with handlebar and front axle respectively, are provided with the front wheel on the front axle, are provided with the rear wheel on the rear axle, and the rear axle both ends all through setting up crank connection pedal above that, still are provided with the saddle device on the frame. The utility model discloses a rotation of adopting the pivot to drive the back frame is folded, and folding process is simple, convenient, simultaneously the supporting wheel on front wheel, rear wheel and the saddle is at same horizontal plane, the stability that has increased the bicycle, and the automobile body after folding passes through the wheel walking and slides, has lightened user's burden, use with the basket cooperation, shopping cart etc. Just can be regarded as to the automobile body after folding, and the function is various, has fine use value.

Description

A kind of bicycle that can fold

Technical field

The utility model belong to technical field of bicycles and in particular to a kind of can fold bicycle.

Background technology

With the development of social economy, various social concerns slowly occur, and population and environmental problem are the most prominent beyond doubt. Bicycle, as a kind of daily walking-replacing tool of environment-friendly type, not only solves the trip problem of people, decreases work of riding instead of walk simultaneously The problem of tool environmental pollution, more and more welcomed by the people.But, due to increasing of bicycle, storing bicycle also needs Want increasing space, in order to solve the problems, such as memory space, the use of folding bicycle is increasingly popularized.Existing folding Bicycle passes through vehicle frame folding joint and standpipe folding joint and constitutes, by vehicle frame folding, will two-wheeled doubling in front and back together, can Reduce by 45% about length.Car load can be put in boarding case and folding bag after folding, and the boot of automobile.This folding Folded bicycle in use, not only waste time and energy by folding process, and function is excessively single, and fold aftercarriage and can not slide Dynamic, need user to carry and walk, there is certain puzzlement using process.

Utility model content

The purpose of this utility model is to provide a kind of bicycle that can fold, and solves existing bicycle in folding process Waste time and energy, single function, fold the not slidable problem of aftercarriage.

A kind of bicycle that can fold of the utility model be employed technical scheme comprise that, including vehicle frame, vehicle frame two ends are respectively It is connected with front fork and rear axle, front fork two ends are connected to handlebar and front axle, front axle are provided with front-wheel, after rear axle is provided with Wheel, rear axle two ends all connect pedal by the crank being disposed thereon, and vehicle frame is additionally provided with saddle device.

Of the present utility model be further characterized in that,

Vehicle frame includes being sequentially connected the front frame connecing, rotating shaft and Rear frame, front frame and front fork Joint, Rear frame with after Axle Joint.

Bicycle basket is additionally provided with front fork.

Rotating shaft includes the cylindrical shell being made up of housing a and housing b, has hole a along housing a is axially arranged, is provided with a of hole Card column；It is provided with boss in housing b, boss one end and housing b Joint, boss other end access aperture a and be provided with hole b；Card column One end and housing a Joint, the other end of card column is flexibly connected with hole b.

Saddle device includes support shaft a being arranged in Rear frame, and the end of support shaft a is provided with cutting ferrule, cutting ferrule inner sleeve It is connected to support shaft b, support shaft b is connected with the saddle of triangle, the rear portion of saddle is provided with groove, in being connected with groove Axle, axis is socketed with support wheel.

Front wheels and rear wheels are identical and its external diameter is more than the external diameter of support wheel.

The beneficial effects of the utility model are：A kind of bicycle that can fold of the utility model is after being driven using rotating shaft Folding, folding process is simple, convenient for the rotation of vehicle frame；Support wheel on front-wheel, trailing wheel and saddle is in same level simultaneously, Increase stablizing of bicycle, the car body after folding is walked by wheel and slided, and alleviates the burden of user；With bicycle basket cooperation Use, the car body after folding can serve as shopping cart etc., vdiverse in function, has good use value.

Brief description

Fig. 1 is a kind of structural representation of the bicycle that can fold of the utility model；

Fig. 2 is the structural representation of rotating shaft in a kind of bicycle that can fold of the utility model；

Fig. 3 is the structural representation of support wheel in a kind of bicycle that can fold of the utility model.

In figure, 1. front fork, 2. rear axle, 3. handlebar, 4. front axle, 5. front-wheel, 6. trailing wheel, 7. crank, 8. pedal, 9. front truck Frame, 10. Rear frame, 11. bicycle baskets, 12. housing a, 13. housing b, 14. hole a, 15. card columns, 16. boss, 17. hole b, 18. supports Axle a, 19. cutting ferrules, 20. support shafts b, 21. saddles, 22. grooves, 23. axis, 24. support wheels.

Specific embodiment

With reference to the accompanying drawings and detailed description the utility model is described in detail.

A kind of bicycle that can fold of the utility model, as shown in figure 1, include vehicle frame, before vehicle frame two ends are connected to Fork 1 and rear axle 2, front fork 1 two ends are connected to handlebar 3 and front axle 4, front axle 4 are provided with front-wheel 5, after rear axle 2 is provided with Wheel 6, rear axle 2 two ends all connect pedal 8 by the crank 7 being disposed thereon, and vehicle frame is additionally provided with saddle device.

Vehicle frame includes being sequentially connected the front frame 9 connecing, rotating shaft and Rear frame 10, front frame 9 and front fork 1 Joint, rear car Frame 10 and rear axle 2 Joint, front frame 9 and Rear frame 10 are folded by rotating shaft, reduce storage volume.

Bicycle basket 11 is additionally provided with front fork 1, bicycle basket 11 is used for holding object, increases storage space.

As shown in Fig. 2 rotating shaft includes the cylindrical shell being made up of housing a12 and housing b13, axially arranged along housing a12 There is hole a14, in the a14 of hole, be provided with card column 15；It is provided with boss 16, boss 16 one end and housing b13 Joint in housing b13, Boss 16 other end access aperture a14 and be provided with hole b17；Card column 15 one end and housing a12 Joint, the other end of card column 15 and hole B17 is flexibly connected；Housing a12 is connected with front frame 9, and housing b13 is connected with Rear frame 10, and housing a12 and housing b13 leads to Cross card column 15 and hole b17 mutually rotates the folding realizing Rear frame 10.

As shown in figure 3, saddle device includes support shaft a being arranged in Rear frame, the end of support shaft a is provided with card Set, is socketed with support shaft b, support shaft b is connected with the saddle of triangle, the rear portion of saddle is provided with groove, groove in cutting ferrule Inside be connected with axis, axis be socketed with support wheel 24, Rear frame 10 pass through rotating shaft rotary folding, when front-wheel 5, trailing wheel 6 and When support wheel 24 rotates to same level, folding completes, and support wheel 24 increased stability.

Front-wheel 5 is identical with trailing wheel 6 and its external diameter is more than the external diameter of support wheel 24.

Use process of the present utility model：After end of normally riding or when being done shopping, by housing a12 and housing Card column 15 within b13 and hole b17 mutually rotate, and drive the rotary folding of Rear frame 10, and Rear frame 10 makes front-wheel by rotation 5th, when trailing wheel 6 and support wheel 24 rotate to same level, rotary folding completes.

The utility model is folded by being driven the rotation of Rear frame 10 using rotating shaft, and folding process is simple, convenient；Simultaneously Support wheel 24 on front-wheel 5, trailing wheel 6 and saddle 21, in same level, increases stablizing of bicycle, and the car body after folding leads to Cross wheel walking to slide, alleviate the burden of user；Use cooperatively with bicycle basket 11, the car body after folding can serve as doing shopping Car etc., vdiverse in function, there is good use value.

Claims

1. a kind of bicycle that can fold is it is characterised in that include vehicle frame, vehicle frame two ends are connected to front fork (1) and rear axle (2), front fork (1) two ends are connected to handlebar (3) and front axle (4), and front axle (4) is provided with front-wheel (5), described rear axle (2) it is provided with trailing wheel (6) on, described rear axle (2) two ends all connect pedal (8) by the crank (7) being disposed thereon, described Vehicle frame on be additionally provided with saddle device.

2. a kind of bicycle that can fold according to claim 1 is it is characterised in that described vehicle frame includes being sequentially connected Front frame (9), rotating shaft and the Rear frame (10) connecing, front frame (9) and front fork (1) Joint, Rear frame (10) and rear axle (2) phase Affixed.

3. a kind of bicycle that can fold according to claim 1 is it is characterised in that also set up on described front fork (1) There is bicycle basket (11).

4. a kind of bicycle that can fold according to claim 2 is it is characterised in that described rotating shaft is included by housing a (12) and the cylindrical shell that forms of housing b (13), hole a (14), hole a is had to be provided with card in (14) along housing a (12) is axially arranged Post (15)；It is provided with boss (16), boss (16) one end and housing b (13) Joint, boss (16) in described housing b (13) Other end access aperture a (14) and be provided with hole b (17)；Described card column (15) one end and housing a (12) Joint, card column (15) The other end is flexibly connected with hole b (17).

5. a kind of bicycle that can fold according to claim 4 is it is characterised in that described saddle device includes arranging Support shaft a (18) in Rear frame (10), the end of support shaft a (18) is provided with cutting ferrule (19), and cutting ferrule is socketed with (19) Support shaft b (20), support shaft b (20) is connected with the saddle (21) of triangle, and the rear portion of saddle (21) is provided with groove (22), It is connected with axis (23) in groove (22), axis (23) is socketed with support wheel (24).

6. a kind of bicycle that can fold according to claim 5 is it is characterised in that described front-wheel (5) and trailing wheel (6) Identical and its external diameter is more than the external diameter of support wheel (24).