CN2380481Y

CN2380481Y - Novel folding bicycle

Info

Publication number: CN2380481Y
Application number: CN 99213796
Authority: CN
Inventors: 林金川
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-06-15
Filing date: 1999-06-15
Publication date: 2000-05-31
Anticipated expiration: 2009-06-15

Abstract

The utility model relates to a novel folding bicycle, which is composed of a front bicycle frame (1) and a rear bicycle frame (2), wherein, an upper plate (121), a lower plate (111), and a pressing rod (122) which are used for folding and fastening are arranged between an upper tube (12) and an extending tube (11) which are arranged on the front bicycle frame (1), and a fastening and locking device (130) which is used for providing the telescoping of a handle (13) is arranged between the handle (13) and the upper tube (12). The front bicycle frame and the rear bicycle frame are respectively provided with a foldable fastening insertion box (14), an insertion block (141), a fastening box (15) and a fastening block (16). A fastening and locking device (220) is arranged between a main rod (22) and a bracket (210) below a seat pad (21). A supporting frame (18) is arranged below the rear bicycle frame (2), and the shaft part of a pedal is provided with a sleeve block (172), a fastening plate (174), etc. The bicycle which is provided has the advantages of convenient folding, convenient portability, easy storage, safety, stableness, time saving, labour saving and practicality.

Description

A kind of later-model Folding Bicycle

The utility model relates to mechanical, particularly a kind of Folding Bicycle.

Its integral structure of common bicycle is a fixed type, can't fold folding at all, therefore cause volume big, it is big to take up room, when carrying and deposit, produce greatly puzzlement, be placed on outdoor wind and weather, accidentally easily stolen again, be placed on and indoorly take up room again by the thief, all-in-one-piece shortcoming is a lot, along with scientific and technological progress, selling on the market has Foldable bicycle, and this kind Folding Bicycle is because design is bad, existing seat cushion can't effectively make card and end fixing, be easy to because of stressed, and slide into lower, cause user's inconvenience by eminence; Folding because of front vehicle frame again with thread locking, quite time-consuming taking a lot of work, need particular tool spanner fit, cause to use and go up inconvenience, and weight increases again, causes the restriction range of use, general child, the woman can't use, it is flexible that handle partly can't the fast folding engaging, causes time-consuming taking a lot of work again, and after front and back wheel folds, can't fix the easy bifurcation of opening, burst is loosening easily, and it is not firm to lock, dangerous in travelling, for a long time, the Folding Bicycle of this structure perplexs the user always.

The purpose of this utility model is exactly the shortcoming that exists at the Folding Bicycle of selling on the above-mentioned market, and a kind of later-model Folding Bicycle is provided.Make it can make the bicycle main portion fold, carry, collect easily; Safety, firm, time saving and energy saving practical again during use.

Technical conceive of the present utility model:

According to the purpose of this utility model, a kind of later-model Folding Bicycle is provided, its structure mainly being provided with upper and lower plate and the depression bar that can make folding fastening on the front truck frame end between pipe and extension pipe, is provided with shutoff device and go up between pipe and handle in addition, and is flexible so that handle to be provided; Between front vehicle frame and after-frame, be respectively equipped with the embedding box that fastens for folding, abaculus and button box, button piece, then be provided with the flexible shutoff device that fastens of abutment pad between the pole of seat cushion below and mobile jib, back vehicle frame below is provided with the bracing frame of standing for supporting, and be provided with cover piece and buckle in addition at the axial region of detachable stretcher, on mobilizable after-frame, be provided with the pulley that to pass, tiltedly on the lug of frame, other is provided with the button pin of tool fit chain, guarantee the utility model fold, carry, collect easily, firmly safe, time saving and energy saving.

Accompanying drawings structure of the present utility model and embodiment.

Fig. 1 is a three-dimensional appearance scheme drawing of the present utility model.

Fig. 2 is the combination and the exploded perspective schematic appearance of seat cushion shutoff device of the present utility model.

Fig. 3 is the utility model seat cushion decline three-dimensional appearance scheme drawing.

Fig. 4 is a vehicle frame folding three-dimensional appearance scheme drawing before and after the utility model.

Fig. 5 is the folding three-dimensional appearance scheme drawing of the utility model handle.

Fig. 6 is the scheme drawing of spreading out of upper and lower plate of the present utility model.

Fig. 7 is the utility model handle doubling schematic perspective view.

Fig. 8 is the inside schematic perspective view of the utility model stretcher.

Fig. 9 is a vehicle frame folding padlock three-dimensional appearance scheme drawing before and after the utility model.

Figure 10 is the three-dimensional appearance scheme drawing of the utility model after-frame upset.

Figure 11 is the utility model button box, button piece and latch combination enlarged drawing and stretcher decomposing schematic representation.

Figure 12 is a stretcher perspective exploded view of the present utility model.

(1) is front vehicle frame, (10) be front-wheel, (11) be extension pipe, (111) be lower plate, (112) be groove, (12) be last pipe, (121) be upper plate, (122) be depression bar, (123) be abaculus, (124) be the pivot button, (13) be handle, (130) be shutoff device, (14) be the embedding box, (141) be abaculus, (142) be rotating shaft, (15) be button box, (151) be the embedding hole, (16) be the button piece, (161) be the embedding hole, (162) be rotating shaft, (163) be chain, (164) be latch, (17) be stretcher, (171) be open-work, (172) be the cover piece, (173) be open-work, (174) be buckle, (175) be filleting, (18) be bracing frame, (2) be the back vehicle frame, (20) be axial region, (201) be dull and stereotyped, (202) be groove, (21) be seat cushion, (210) be pole, (22) be mobile jib, (220) be shutoff device, (221) be hitch, (2211) be open-work, (222) be pad, (223) be screw, (224) be pressing plate, (225) be compressing tablet, (226) be nut, (23) be trailing wheel, (24) be after-frame, (241) be pulley, (25) be oblique frame, (251) be lug, (252) be open-work, (253) recessed for embedding, (26) be the button pin, (261) be abaculus, (262) be chain.

As accompanying drawing 1 to shown in the accompanying drawing 2, the utility model is by front vehicle frame (1), front-wheel (10) and back vehicle frame (2), trailing wheels (23) etc. constitute, wherein seat cushion (21) is to be located on the folding back vehicle frame (2), for being provided, seat cushion (21) can adjust its height by quick-expansion, be provided with pole (210) in seat cushion (21) below, pole (210) is the inside that is set in mobile jib (22), for its positioning locking is provided, be provided with shutoff device (220) in mobile jib (22) end, shutoff device (220) is by tightening hitch (221), pad (222), screw (223), pressing plate (224), compressing tablet (225) and nut (226) constitute, be provided with in hitch (221) two ends and run through open-work (2211), and the below is provided with the pressing plate (224) of long bolt (223), be provided with compressing tablet (225) in pressing plate (224) below, mat screw (223) is set in the open-work (2211) of hitch (221), establish pad (222) and nut (226) again in its rear, the locking of mat nut (226) and pressing plate (224) are gone up handling pine hitch (221) and are pressed down packing, and pole (210) is done, following adjustment and fixing; Between front vehicle frame (1) and back vehicle frame (2), be respectively equipped with for embedding box (14) folding and that be fastened and connected, abaculus (141), button box (15), button piece (16), for it can be rotated flexibly, embedding box (14), be provided with rotating shaft (142) between abaculus (141), then establish rotating shaft (162) between button box (15) and button piece (16), be provided with the embedding hole of running through (151) at button piece (16) and button box (15) outer end in addition, (161), latch (164) for chain (163) plugs together fixing, as shown in Figure 11, when front and back vehicle frame (1), (2) after folding, the front vehicle frame (1) of front-wheel (10) and handle (13) then can turn to the same side of trailing wheel (23); Handle (13) is bent to be positioned at front-wheel (10) top in front vehicle frame (1), be respectively equipped with pivot button (124) connection upper plate (121) and lower plate (111) between pipe (12) for going up of the flexible shutoff device (130) of handle (13), be provided with the depression bar (122) that supplies packing in upper plate (121) top, for it can be fastened with lower plate (111), be provided with movable abaculus (123) in depression bar (122) below, and lower plate (111) is provided with groove (112) with its relative position, be inserted in the below of the groove (112) of lower plate (111) when abaculus (123), again with its rotation, and following moulded rod (122), can make upper plate (121), lower plate (111) is fastened and is integral, unclamp and make handle bending, only must get final product towards reverse operating; On the oblique frame (25) of back vehicle frame (2), be provided with the open-work (252) of embedding recessed (253), in order to make folding front and back wheel (10), (23) and handle (13) locking, on oblique frame (25), be provided with the L type padlock (26) of chain (262), its end is provided with abaculus (261), during use with front and back wheel (10), (23) and go up pipe (12) and wear and enclose, again it is penetrated in the open-work (252) of lug (251), because button pin (26) end is established abaculus (261) and can be penetrated open-work (252) and embedding recessed (253) thereof, to detain pin (26) upset this moment again, and depart from embedding recessed (253) and can fix; Be provided with axial region (20) in back vehicle frame (2) below, and outside it, extend the flat board (201) be provided with groove (202), its purpose is to provide the stretcher (17) that is provided with open-work (171) can wear inside collection or outwards using, be provided with the fixedly cover piece (172) of the open-work of usefulness (173) again outside the stretcher (17), and the outer buckle (174) that is provided with packing filleting (175) in addition of cover piece (172), its assembly and disassembly is simply easy and convenient, for make bicycle after folding can be firm, safety stands, and is provided with bracing frame (18) in addition in back vehicle frame (2) below; Do convenient and strength-saving push-and-pull for making the bicycle desire after folding, can be when the lug that is buckled in oblique frame (25) (251) with the button pin (26) of after-frame (24), after-frame (24) is separated, with its upset earthward, because after-frame (24) is provided with pulley (241), therefore whole bicycle can be economized masterpiece push-and-pull displacement very much.

Claims

1, a kind of later-model Folding Bicycle, it is made of front vehicle frame (1), back vehicle frame (2), front-wheel (10) and trailing wheel (23) etc., it is characterized in that between front vehicle frame (1) and back vehicle frame (2), being respectively equipped with for embedding box (14) folding and that be fastened and connected, abaculus (141), button box (15), button piece (16), and be provided with movable bonded assembly rotating shaft (142) betwixt, be provided with embedding hole (151), (161 of running through) at button box (15) and button piece (16) outer end, supply the latch (164) of chain (163) to plug together fixing; Handle (13) is bent to be positioned at front-wheel (10) top in front vehicle frame (1), be connected upper plate (121) and lower plate (111) being respectively equipped with pivot button (124) between pipe (12) and extension pipe (11) for going up of the flexible shutoff device (130) of handle (13), be provided with the depression bar (122) that supplies packing in upper plate (121) top, be provided with movable abaculus (123) in depression bar (122) below, and lower plate (111) is provided with groove (112) with its relative position; Be provided with the open-work (252) of embedding recessed (253) on the oblique frame (25) of back vehicle frame (2), locking front-wheel (10), trailing wheel (23) and handle (13) are provided with the padlock (26) of chain (262) on oblique frame (25), and its end is provided with abaculus (261); Be provided with axial region (20) in back vehicle frame (2) below, and at it outside, extending the flat board (201) be provided with groove (202), providing the buckle (174) of the cover piece (172) of open-work (171) in the outside of being located at stretcher (17) and filleting (175) to wear packing and dismantle; On the oblique frame (25) at rear of back vehicle frame (2), be provided with the lug (251) of open-work (252), be provided with embedding recessed (253) on the open-work (252) in addition, front-wheel (10), trailing wheel (23) be provided, go up fixing nested the fixing of padlock (26) that reaches chain (262), abaculus (261) of pipe (12) snare; Top at back vehicle frame (2) is provided with mobile jib (22), is arranged with the pole (210) of abutment pad (21) lifting in it, establishes shutoff device (220) in addition in its end.

2, according to the described a kind of later-model Folding Bicycle of claim 1, it is characterized in that said padlock dress (220) is made of hitch (221), pad (222), screw (223), pressing plate (224), compressing tablet (225) and nut (226), be provided with in hitch (221) two ends and run through open-work (2211), and the below is provided with the pressing plate (224) of long bolt (223), is provided with compressing tablet (225) in pressing plate (224) below.

3,, it is characterized in that the below of said back vehicle frame (2) is provided with bracing frame (18) in addition according to the described a kind of later-model Folding Bicycle of claim 1.