CN2373354Y

CN2373354Y - Folding bicycle

Info

Publication number: CN2373354Y
Application number: CN 98229618
Authority: CN
Inventors: 程红伟
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-10-05
Filing date: 1998-10-05
Publication date: 2000-04-12
Anticipated expiration: 2008-10-05

Abstract

The utility model provides a folding bicycle. The bicycle adopts a telescopic folding handlebar, a contractile bicycle frame, a folding pedal, a folding bicycle saddle and two small bicycle wheels, the diameters of which approximately are 25 centimeters. When the bicycle is folded, the bicycle frame is contracted and overlapped, the front and the rear wheels are closed up, the handlebar is contracted and is folded backwards, the bicycle saddle is contracted and is folded forwards, the pedal is folded, so the size of the whole bicycle only is 56 by 38 by 12 (the length by the high by the width) CM. The utility model has the advantages of compact dimension and easy portability in travelling.

Description

Folding Bicycle

A kind of Folding Bicycle, the utility model belong to the improvement of bicycle.

Bicycle is a kind of popular vehicle, market is widely arranged in countries in the world, but the standard bicycle car body is huge, though many Folding Bicycles are arranged, mostly pursue multi-functional and traditional design, so structure more complicated all, can not reach the smallest and the most exquisite, the compactest folding effect.

The purpose of this utility model provides a kind of Folding Bicycle, reaches the smallest and the most exquisite, the compactest folding effect, conveniently go out work and tourism.

The utility model be achieved in that it by front vehicle frame 15, back vehicle frame 16, front fork 13, front-wheel 14 (25 centimetres of diameters), down barre 12, go up barre 23, handgrip 11, front axle, rear axle, axis 41, pedal 17, hinge wheel 18, trailing wheel 19 (25 centimetres of diameters), flywheel 10, chain, saddle 21, upper saddle seat bar 23, saddle bar 20, front fender, back mud plate, front brake, back brake etc. are formed down.Adopted handgrip folder 1 with handgrip 11 and last 22 collapsible connections of barre, adopt barre fixer 2 will go up barre 22 and following barre 12 scalable connections, adopt barre folder 3, to descend

barre

12 and 13 collapsible connections of front fork, adopt vehicle frame fixer 4 with

front vehicle frame

15 and 16 movable connections of back vehicle frame, adopt pedal folder 5 with

pedal

17 and 41 collapsible connections of axis, adopt saddle folder 6 with saddle 21 and 23 collapsible connections of upper saddle seat bar, adopt saddle bar fixer 7 with upper saddle seat bar 23 and following saddle bar 20 scalable connections, adopt saddle bar folder 8 will descend saddle bar 20 and back vehicle frame 16 collapsible connections, adopt chain tensioning device 9 to carry out tensioning to chain, when folding, unclamp vehicle frame fixer 4, front vehicle frame 15 and back vehicle frame 16 closed disturb, unclamp barre fixer 2, to go up

barre

22 and 12 contractions of following barre, unclamping barre folder 3 will descend barre 12 to fold back, unclamp handgrip folder 1, handgrip 11 is folded to trailing wheel 19 afterbodys, unclamp saddle bar fixer 7, upper saddle seat bar 23 and following saddle bar 20 are shunk, unclamping saddle bar folder 8 will descend saddle bar 20 folding forward, saddle 21 is folded to front-wheel 14 the place aheads, unclamps pedal folder 5 pedal 17 is folded within the space, workshop.

The utility model structure is very small and exquisite, and it is very convenient to carry, and the volume after folding is 0.03 cubic meter, and oad is for long 56 centimetres, and is high 38 centimetres, wide 12 centimetres, and the personage who is fit to very much work of going out and travelling uses.

Description of drawings:

Fig. 1 is the utility model plane structure chart: 1. handgrip folder, 2. barre fixer, 3. barre folder, 4. vehicle frame fixer, 5. pedal folder, 6. saddle folder, 7. saddle bar fixer, 8. saddle bar folder, 9. chain tensioning device, 10. flywheel, 11. handgrip, 12. following barre, 13. front fork, 14. front-wheel, 15. front vehicle frame, 16. back vehicle frame, 17. pedal, 18. hinge wheel, 19. trailing wheel, 20. following saddle bar, 21. saddle, 22. last barre, 23. upper saddle seat bar.

Fig. 2 is the utility model folded state diagram: dotted line represent folding before and folding in state, solid line represent state after folding.

Fig. 3 is the constructional drawing of handgrip folder 1: barre, 24. square iron blocks, 25. bearing pins, 11. handgrips, 26. holes, 27. holes, 28. locating pieces, 29. springs on 22..

Fig. 4 is the constructional drawing of barre fixer 2: barre, 31. screws, 32. nuts on 12. times barres, the 30. elasticity hinges, 22..

Fig. 5 is the constructional drawing of barre folder 3: 13. front forks, 33. iron blocks, 34. holes, 12. times barres, 35. chutes, 36. screws, 37. nuts.

Fig. 6 is the constructional drawing of vehicle frame fixer 4: 15. front vehicle frame, 38. holes, 16. back vehicle frames, 39. holes, 40. screws, 75. nuts.

Fig. 7 is the constructional drawing of pedal folder 5: 41. axis, 42. tapped bore, 43. connectors, 44. more than half circular holes, 45. screws, 46. holes, 47. pedal connecting rods, 48. holes, 49. screw axis, 50. nuts, 51. locating pieces, 52. springs, 53. positioning grooves, 17. pedals, 18. hinge wheels.

Fig. 8 is the constructional drawing of saddle folding 6: 23. upper saddle seat bars, 54. iron blocks, 55. cylindrical holes, 57. pins, 21. saddles, 56. chutes, 58. holes, 59. screws, 60. nuts.

Fig. 9 is the constructional drawing of saddle bar fixer 7: 20. times saddle bars, 61. elasticity hinges, 23. upper saddle seat bars, 62. screws, 63. nuts.

Figure 10 is the constructional drawing of saddle bar folder 8: 16. back vehicle frames, 64. holes, 70. knock holees, 20. times saddle bars, 65. hinge ears, 66. hinges, 67. nuts, 68. springs, 69. locating dowel pins.

Figure 11 is the constructional drawing of chain tensioning device 9: 16. back vehicle frames, 71. chutes, 72. screws, 73. tension wheels, 74. nuts.

Accompanying drawings embodiment:

Handgrip folder 1 in Fig. 3: a square iron block 24 is welded on the top of going up barre 22, two bearing pins 25 of welding on the square iron block 24, handgrip is part about 11 minutes, distinguish porose 26 above, hole 26 is enclosed within on the bearing pin 25, bearing pin 25 ends rivet, handgrip 11 can fold back around bearing pin 25 respectively like this, the front end of square iron block 24 is porose 27, in locating piece 28, spring 29 are arranged, locating piece 28 stretches out hole 27 in the effect head portion of spring 29, block the end of handgrip 11, handgrip 11 is just incessantly fixing like this, depresses locating piece 28, and then handgrip 11 is collapsible.

Barre fixer 2 in Fig. 4: flexible hinge 30 is overlapped in the upper end of following barre 12, following barre 12 is a hollow structure, last barre 22 inserts in the following barre 12, fixing by the hole that screw 31 passes on the elasticity hinge 30 by nut 32, fixing barre then, unclamp nut 32, then can insert fully within the following barre 12 going up barre 22.

Barre folder 3 in Fig. 5: the top of front fork 13 is welded with two iron blocks 33, above porose 34, there is chute 35 barre 12 lower ends down, to descend barre 12 to insert in the front fork 13, screw 36 is passed hole 34 and chute 35, fixing by nut 37, then descend barre 12 fixing indefinite, unclamp nut 37, to descend barre 12 to mention, and then descend barre 12 to fold back along chute 35.

Vehicle frame fixer 4 in Fig. 6: there are two holes 38 front vehicle frame 15 rear ends, the front end of back vehicle frame 16 has cooresponding four holes 39 respectively, front vehicle frame 15 is placed between the vehicle frame 16 of back, two screws 40 are passed corresponding hole 38 and hole 39 respectively, fixing by two nuts 75, then vehicle frame can be fixed, and unclamps nut 75, extract two screws 40, then vehicle frame is collapsible.

Pedal folder 5 in Fig. 7: axis 41 heads are large semi-circular, there is tapped bore 42 centre, more than half circular hole 44 is arranged on the connector 43, realize cooperating with axis 41, screw within the tapped bore 42 screw 45 fixing, have one to be with tapped bore 42 and to intersect the hole 46 of direction on the connector 43, pedal connecting rod 47 heads porose 48, pedal connecting rod 47 is enclosed within on the connector 43, passes hole 46 with screw axis 49, hole 48 is fixing by nut 50, pedal connecting rod 47 can rotate along screw axis 49, in the pedal connecting rod 47 is hollow, in locating piece 51 is arranged, spring 52.Locating piece 51 snaps in the positioning groove 53 at connector 43 two ends under spring 52 effects, and then pedal connecting rod 47 is fixing indefinite, and locating piece 51 is extracted in the positioning groove 53, and then pedal connecting rod 47 can rotate along screw axis 49 and fold, and pedal 17 is folded in the vehicle frame plane.

Saddle folder 6 in Fig. 8: at welded top one iron block 54 of upper saddle seat bar 23, welding one cylindrical hole 55 and pin 57 on the iron block 54, saddle has chute 56 and hole 58 for 21 times, with saddle 21 place on the iron block 54, with pin 57 patchholes 58, screw 59 is passed chute 56 and cylindrical hole 55, fixing by nut 60, then saddle 21 is incessantly fixing.

Saddle bar fixer 7 in Fig. 9: following saddle bar 20 upper ends are flexible hinge 61 respectively, in saddle bar 20 under 23 insertions of upper saddle seat bar, pass hole on the elasticity hinge 61 respectively by two screws 62, fixing with nut 63, unclamp nut 63, then can be with within the saddle bar 20 under 23 insertions of upper saddle seat bar.

Saddle bar folder 8 in Figure 10: on the vehicle frame 16 of back porose 64 and knock hole 70, hinge ear 65 is arranged on the following saddle bar 20, it is fixing by nut 67 to pass hinge ear 65 and hole 64 with hinge 66,20 on following saddle bar can be folding along hinge 66, spring 68 and locating dowel pin 69 are arranged respectively in the following saddle bar 20, locating dowel pin 69 is inserted the knock hole 70 that is welded on the vehicle frame 16 of back, then descend saddle bar 20 fixing, locating dowel pin 69 is withdrawed from knock hole 70, then descend saddle bar 20 to fold forward.

Chain tensioning device 9 in Figure 11: on the vehicle frame 16 of back chute 71 is arranged, screw 72 is passed chute 71 and tension wheel 73, and it is fixing by nut 74 to push down chain, then chain is securable.

Claims

1. Folding Bicycle, it is by front vehicle frame 15, back vehicle frame 16, front fork 13, front-wheel 14, following barre 12, last barre 22, handgrip 11, front axle, rear axle, axis 41, pedal 17, hinge wheel 18, trailing wheel 19, flywheel 10, chain, saddle 21, upper saddle seat bar 23, following saddle bar 20, front fender, back mud plate, front brake, compositions such as back brake, it is characterized in that: adopted handgrip folder 1 handgrip 11 and last 22 collapsible connections of barre, adopt barre fixer 2 will go up barre 22 and following barre 12 scalable connections, adopt barre folder 3 will descend barre 12 and 13 collapsible connections of front fork, adopt vehicle frame fixer 4, with front vehicle frame 15 and 16 movable connections of back vehicle frame, adopt pedal folder 5 with pedal 17 and 41 collapsible connections of axis, adopt saddle folder 6 with saddle 21 and 23 collapsible connections of upper saddle seat bar, adopt saddle bar fixer 7 to adopt saddle bar folder 8 will descend saddle bar 20 and back vehicle frame 16 collapsible connections upper saddle seat bar 23 and following saddle bar 20 scalable connections.

2. Folding Bicycle according to claim 1 is characterized in that: front vehicle frame 15 is single-spar construction, and back vehicle frame 16 is a twin-spar construction.

3. Folding Bicycle according to claim 1 is characterized in that: go up barre 22 and 12 contractions of following barre, following barre 12 folds back, and handgrip 11 is folded to trailing wheel 19 afterbodys.

4. Folding Bicycle according to claim 1 is characterized in that: upper saddle seat bar 23 and following saddle bar 20 shrink, and following saddle bar 20 is folding forward, and saddle 21 is folded to front-wheel 14 the place aheads.

5. Folding Bicycle according to claim 1 is characterized in that: pedal 17 is folded within the vehicle frame space.