CN204801981U

CN204801981U - Can quick bicycle frame who folds or expand

Info

Publication number: CN204801981U
Application number: CN201520098834.0U
Authority: CN
Inventors: 范忠伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-02-11
Filing date: 2015-02-11
Publication date: 2015-11-25
Anticipated expiration: 2025-02-11

Abstract

The utility model provides a can quick bicycle frame who folds or expand comprises front fork, car owner's frame that is used for assembling front wheel and tap and the back vent that is used for assembling fluted disc and rear wheel, and the front fork assembles in the car owner and puts up first pipe department, and the back vent passes through the connecting axle and articulates on car owner's frame, and articulated car owner frame links together through the fastening device after the expansion with the back vent each other, and folding back is fixed through the actuation device and is in the same place, when the frame expandes, the back is geted in touch in the touching to the seat of rising to the bait on car owner's frame, the couple spring force effect down the bounce -back meeting will rise to the bait automatically and hook, when folding, overcome the couple spring force will get in touch and rise to the bait the seat break away from, then it can be folding with the frame to make the back vent rotate round the connecting axle, fold and expand all very convenient and fast, the frame is in folding back simultaneously, it is in the same place back vent and front fork actuation still to be equipped with the actuation device, to exert oneself slightly to part, the frame just can not loosen in folding back naturally like this, thereby more facilitating carrying.

Description

The cycle frame of a kind of energy fast folding or expansion

Technical field

The present invention relates to bicycle art, be related specifically to foldable bicycle.

Background technology

The cycle frame that existing energy is folding, majority has come by arranging folded box at vehicle frame main beam pipe, this folded box needs to arrange handle and safety hook, in locking or when opening, need comparatively great dynamics handle could be opened or lock, simultaneously in order to security consideration, also need to arrange safety hook, first will open safety hook before opening handle, also will buckle by safety hook after locking, such vehicle frame is just required great effort also more loaded down with trivial details at folding or expansion process; Also there is folding stand longitudinal folding by rotating shaft, but this type of vehicle frame is all provided with at middle pipe or other junction, joint and much locks part, such as middle pipe is being divided into several sections, then design several locking quick detach middle pipe is locked etc., this technology difficulty, productive costs and complicated operation in actual use procedure of all will increasing in production process.

Summary of the invention

The technical matters solved:

Be the deficiency designed for existing foldable bicycle frame order of the present invention, design a kind of folding time can easily push hook open after just can make back vent energy rotary folding, vehicle frame folding is got up; And rotate back vent when launching just can automatically by cycle frame that car owner's frame and back vent link together fast.

The technical scheme of technical solution problem:

The cycle frame of a kind of energy fast folding or expansion, be made up of the front fork for assembling front-wheel and tap, car owner's frame and the back vent for assembling fluted disc and trailing wheel, front fork is assemblied in the head tube place of car owner's frame, back vent is articulated with on car owner's frame by adapter shaft, namely can reach the order ground by vehicle frame folding or expansion around adapter shaft rotation back vent; The car owner's frame be hinged and back vent are linked together by tightening device after deployment, be fixed together by attracting device after folding, tightening device by linking up with, rise to the bait seat, lower hook seat, spring, pivot pin form, seat of rising to the bait is fixed on the middle pipe place of car owner's frame, lower hook seat is fixed on back vent corresponding position, hook is articulated with on lower hook seat by pivot pin, and hook place is also designed with retracing spring; When being launched by the vehicle frame folded, back vent is rotated around adapter shaft, seat of rising to the bait touching is linked up with and hook is rotated and gets out of the way, and when being rotated further, hook returns under the action of the spring and hooks seat of rising to the bait, and so just car owner's frame and back vent fast speed is linked together; Time folding, overcome the spring force at hook place and make hook throw off seat of rising to the bait, then being rotated backward around adapter shaft by back vent can by vehicle frame folding.

In order to improve the comfort level that vehicle frame is in use ridden, the middle pipe place of car owner's frame is designed with and pushes against seat, and back vent is provided with elastic component, after expansion vehicle frame, elastic component with push against seat and push against, can eliminate like this vehicle frame launch after part gap and filter the vibrations of uneven road surface.

In order to reach volume after folding less order ground, back vent become with the free bearing Position Design of car owner's frame hinged place the forks piece of back vent after folding and front fork forks piece can mutually stagger with size and angle.

In order to fold more convenient afterwards carrying, vehicle frame front fork and rear on attracting device is installed, attracting device is made up of the magnet being fixed on back vent and the adhesive sheet that is fixed on front fork, vehicle frame after folding, adhesive sheet and the mutual adhesive of magnet, slightly exert oneself to separate, such vehicle frame would not unclamp after folding naturally.

Beneficial effect:

By in vehicle frame folding process, less dynamics is only needed hook and seat of rising to the bait to be thrown off, back vent can be allowed to rotate folding around adapter shaft, and when launching vehicle frame, after seat of rising to the bait touching hook, hook seat can be automatically hooked after hook bounce-back, car owner's frame and back vent are connected, such operation is very fast succinct, reach order ground that is folding or that launch, add the elastic part eliminating gap and play shock-absorbing effect simultaneously and folding after prevent the attracting device that scatters, which improves the comfort level that drives and allow folding more conveniently to carry afterwards.

Accompanying drawing explanation

Fig. 1 is the 3-D view of the utility model deployed condition

Fig. 2 is the part sectional view of the utility model deployed condition

Fig. 3 is rise to the bait in the utility model expansion process seat and hook relative position view

Fig. 4 is the 3-D view after the utility model folds

Detailed description of the invention

Below in conjunction with accompanying drawing, specific embodiments is described

The cycle frame of a kind of energy fast folding or expansion, by the front fork 03 for assembling front-wheel and tap, car owner's frame 01 and the back vent 02 for assembling fluted disc and trailing wheel form, front fork 03 is assemblied in car owner's frame 01 head tube 0101 place, back vent 02 is articulated with on car owner's frame 01 by adapter shaft 04, namely rotate back vent 02 around adapter shaft 04 can reach the order of vehicle frame folding or expansion ground, it is characterized in that: the car owner's frame 01 and the back vent 02 that are hinged are linked together by tightening device 05 after deployment, be fixed together by attracting device 08 after folding, tightening device 05 is by hook 0501, to rise to the bait seat 0502, lower hook seat 0503, spring 0504, pivot pin 0505 is formed, seat 0502 of rising to the bait is fixed on middle pipe 0103 place of car owner's frame 01, lower hook seat 0503 is fixed on back vent 02 corresponding position, hook 0501 is articulated with on lower hook seat 0503 by pivot pin 0505, link up with 0501 place and be also designed with retracing spring 0504, when the vehicle frame folded is launched, back vent 02 is rotated around adapter shaft 04, seat 0502 of rising to the bait is touched hook 0501 and hook 0501 is rotated and gets out of the way, link up with 0501 when being rotated further return under spring 0504 acts on and hook seat 0502 of rising to the bait, so just car owner's frame 01 and back vent 02 fast speed are linked together, time folding, overcome spring 0504 power at hook place and make hook 0501 throw off seat 0502 of rising to the bait, then being rotated backward around adapter shaft 04 by back vent 02 can by vehicle frame folding.

In order to eliminate the vibrations in the part gap after vehicle frame expansion and filtration uneven road surface, to improve comfort level of riding, in car owner's frame 01, pipe 0103 place is designed with and pushes against seat 0105, back vent 02 is provided with elastic component 06, after expansion vehicle frame, elastic component 06 with push against seat 0105 and push against, can eliminate like this vehicle frame launch after part gap and filter the vibrations of uneven road surface, improve comfort level of riding.

Less in order to reach volume after folding, back vent 02 becomes the forks piece 0203 of back vent 02 after folding and front fork 03 forks piece 0301 mutually to stagger size with free bearing 0104 Position Design of car owner's frame 01 hinged place and angle.

Carry in order to more convenient, Vehicle Frame Design has attracting device 08, attracting device is made up of the magnet 0801 being fixed on back vent 02 and the adhesive sheet 0802 that is fixed on front fork 03, vehicle frame after folding, adhesive sheet 0802 and magnet 0801 adhesive mutually, slightly exert oneself to separate, such vehicle frame would not unclamp after folding naturally.

Claims

1. the cycle frame of an energy fast folding or expansion, by the front fork (03) for assembling front-wheel and tap, car owner's frame (01) and back vent (02) composition for assembling fluted disc and trailing wheel, front fork (03) is assemblied in car owner's frame (01) head tube (0101) place, back vent (02) is articulated with on car owner's frame (01) by adapter shaft (04), namely the order ground by vehicle frame folding or expansion can be reached around adapter shaft (04) rotation back vent (02), it is characterized in that: the car owner's frame (01) be hinged and back vent (02) are linked together by tightening device (05) after deployment, be fixed together by attracting device (08) after folding, tightening device (05) is by hook (0501), to rise to the bait seat (0502), lower hook seat (0503), spring (0504), pivot pin (0505) is formed, seat (0502) of rising to the bait is fixed on middle pipe (0103) place of car owner's frame (01), lower hook seat (0503) is fixed on back vent (02) corresponding position, hook (0501) is articulated with on lower hook seat (0503) by pivot pin (0505), hook (0501) place is also designed with retracing spring (0504), when the vehicle frame folded is launched, back vent (02) is rotated around adapter shaft (04), seat (0502) of rising to the bait touching hook (0501) also makes hook (0501) rotation get out of the way, link up with (0501) when being rotated further return under spring (0504) effect and hook seat of rising to the bait (0502), so just car owner's frame (01) and back vent (02) fast speed are linked together, time folding, overcome spring (0504) power at hook place and make hook (0501) throw off seat (0502) of rising to the bait, then being rotated backward around adapter shaft (04) by back vent (02) can by vehicle frame folding.

2. the cycle frame of a kind of energy fast folding according to claim 1 or expansion, it is characterized in that: be designed with at middle pipe (0103) place of car owner's frame (01) and push against seat (0105), back vent (02) is provided with elastic component (06), after expansion vehicle frame, elastic component (06) with push against seat (0105) and push against, the vibrations of the part gap after vehicle frame expansion and filtration uneven road surface can be eliminated like this, improve comfort level of riding.

3. the cycle frame of a kind of energy fast folding according to claim 1 or expansion, it is characterized in that: back vent (02) becomes after folding with free bearing (0104) Position Design of car owner's frame (01) hinged place, forks piece (0203) and front fork (03) forks piece (0301) of back vent (02) can stagger to reach size and the angle on more small size order ground mutually.

4. the cycle frame of a kind of energy fast folding according to claim 1 or expansion, it is characterized in that: attracting device is made up of the magnet (0801) being fixed on back vent (02) and the adhesive sheet (0802) that is fixed on front fork (03), vehicle frame after folding, adhesive sheet (0802) and magnet (0801) adhesive mutually, to slightly exert oneself to separate, such vehicle frame would not unclamp after folding naturally, more conveniently carries.