CN2880645Y

CN2880645Y - Fast folding bicycle

Info

Publication number: CN2880645Y
Application number: CN 200620018438
Authority: CN
Inventors: 于志超; 于铄航; 于德超
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-02-16
Filing date: 2006-03-27
Publication date: 2007-03-21
Anticipated expiration: 2016-03-27

Abstract

A fast folding foot operated bicycle is provided comprising: a steering front fork, a crossbeam of bicycle, a backseat frame, a bicycle frame and a front wheel, a rear wheel and a transmission mechanism, characterized in that: a steering lever standpipe of steering front fork is connected with front end of the crossbeam of bicycle; the backseat frame is articulated with a short arm fixed to bottom of the crossbeam of bicycle through a pivot shaft that is perpendicular to a lengthways face of the bicycle frame; back end of the crossbeam of bicycle is locked with a seat standpipe of the backseat frame through a lock mechanism. The steering lever standpipe, the crossbeam of bicycle and the backseat frame form a closed frame construction after folding and are locked through a locking gear. The front wheel and rear wheel are in the same lengthways face after folding and flanges of the front and rear wheels touch the ground, and pedals still drive the rear wheel through the transmission mechanism. The folded bicycle can be pushed erectly, is carried flexibly, taking up little room when users take buses. As the utility model can be carried about, the likelihood to be stolen is reduced. The bicycle is a convenient short-haul traffic tool for ride instead of walk.

Description

The fast folding bicycle

Technical field

The utility model relates to a kind of fast folding bicycle.

Background technology

It is little that folding bicycle has a volume, deposit and convenient carrying, but can only guide and support after in a single day existing folding bicycle is folded and can not go-cart walking, because folding aftercarriage heaviness, carrying very difficult and easy on foot tired, go out to carry inconvenience, use still restricted, so the invention this car to remedy

The deficiencies in the prior art.

Summary of the invention

The purpose of this utility model is: a kind of fast folding bicycle is provided, before its folding mode is vehicle body, the rear portion is fulcrum vertically doubling downwards with a hinge, make car before, trailing wheel is close and preceding mutually on same vertical face, still land at the bottom of the rear rim and keep vehicle body upright, and utilize vehicle seat vertical rod and the deflecting bar standpipe joining that to stretch to lock, the partial folds that cooperates handlebar and pedal again, make car load be folded into flat thin closed frame structure, under folded state, still can uprightly carry out, conveniently guide and support, save floor area in the time of by bus, also be convenient to the dress bag and carry.

The purpose of this utility model is achieved in that a kind of fast folding bicycle, comprise: turn to front fork, crossbeam, back seat to be configured to vehicle frame and car front-wheel, back wheels of vehicle and transmission device, it is characterized in that: the described deflecting bar standpipe of front fork that turns to is connected with the crossbeam front end, the affixed galianconism in the hinge that described back mounting is provided with by the vertical face of vertical vehicle frame and crossbeam bottom is hinged, the rear end of described crossbeam with after the vehicle seat standpipe of mounting lock by lockout mechanism; Deflecting bar standpipe after this car is folding, crossbeam and back mounting form a closed frame structure, and lock by blocking device, car front-wheel after folding, back wheels of vehicle on same vertical face and forward and backward wheel rim land, and step tread plate still drives back wheels of vehicle by transmission device.

The described front fork that turns to connects the handlebar vertical rod by handlebar, the handlebar vertical rod insert in the deflecting bar and with it bearing fit lock by snap close, deflecting bar connect front fork and with deflecting bar standpipe normal-running fit, the car front-wheel is installed in the front fork lower end; Described back mounting connects the vehicle seat vertical rod by vehicle seat, and the vehicle seat vertical rod is inserted in the vehicle seat standpipe and with its bearing fit and locked by snap close, the vehicle seat standpipe intersect affixed with back vent or vehicle seat standpipe and back vent front end affixed, the back wheels of vehicle of back vent rear end mounting strap transmission flywheel.

Described transmission device be the back mounting back vent front portion or vehicle seat standpipe lower, transverse the axis sleeve pipe is set, axis with axis sleeve pipe running-fit is arranged in the axis sleeve pipe, affixed zipper saw disc of axis and left and right pedal connecting rod, left and right pedal connecting rod is hinged with left and right step tread plate respectively by the pedal axle; Described zipper saw disc is by the transmission flywheel on the chain drive back wheels of vehicle.

Described blocking device and lockout mechanism are lock pin and lockhole or lock pin and latch hook or magnetic force suction piece.

Described handlebar is divided into three sections: left and right two handles and connection part, left and right two handles are hinged by the handlebar hinge with the left and right two ends of connection part respectively, and by the locking sliding sleeve locking with built-in retracing spring.

Described deflecting bar is provided with the hinge of button with lock above the deflecting bar standpipe, the hinge axis of this hinge is perpendicular to the vertical face setting of vehicle frame.

Described deflecting bar standpipe and crossbeam front end are hinged by hinge, between deflecting bar standpipe and crossbeam, adjusting yoke is set, one end of this adjusting yoke is articulated on the deflecting bar standpipe by hinge, the adjusting yoke other end by removable pin be located at the adjusting runner device running-fit of crossbeam, and be locked by snap close.

Described crossbeam, galianconism and back vent are straight or curved.

Described crossbeam rear end is provided with shock absorption device, and shock absorption device and vehicle seat standpipe lock by lockout mechanism.

Described back vent front end is articulated in axis sleeve pipe or vehicle seat standpipe by hinge, and described shock absorption device is located between vehicle seat standpipe and the shelf, or shock absorption device is located between vehicle seat standpipe and the back vent, or shock absorption device is located between shelf and the back vent.

The utility model has following advantage and positive useful effect:

Its folding mode of fast folding bicycle of the present utility model is that the folding car rear portion that can make of the first step is longitudinally downward, preceding folding, car load length after folding shortens significantly, back wheels of vehicle and car front-wheel near and still in-line land simultaneously and keep vehicle body upright, this state can conveniently shove along; Second step is folding to be that pedal and the folding back of handlebar car load are flat thin closed frame structure, and volume further dwindles, and can be convenient to guide and support and adorn bag, but but still go-cart walking of this state.So it is flexible that this car carries mode, can push away after folding and walk, upper and lower stair or can guide and support conveniently by bus the time, be in and deposit or save by bus the time floor area, can also be contained in run away in the bag, simultaneously also can reduce stolen possibility to greatest extent, be a kind of walking-replacing tool of short distance traffic easily.

Now in conjunction with the accompanying drawings concrete structure of the present utility model is described in detail with preferred embodiment:

Description of drawings

Fig. 1 is the structural representation of fast folding bicycle of the present utility model;

Fig. 2 is a handlebar schematic perspective view of the present utility model, semi-sictional view;

Fig. 3 is the folded state scheme drawing of Fig. 2;

Fig. 4 is the folded state scheme drawing of Fig. 1;

Fig. 5 is that the galianconism of crossbeam is straight alternate embodiment scheme drawing;

Fig. 6 is that the galianconism of crossbeam is curved embodiment scheme drawing;

Fig. 7 is that back vent is the embodiment scheme drawing of bending;

Fig. 8 is that deflecting bar is not established hinge, turned to the front fork tilt adjustable, shock absorption device embodiment scheme drawing is established at the crossbeam rear portion;

Fig. 9 turns to front fork tilt adjustable, galianconism for curved and shock absorption device embodiment scheme drawing is set;

The folded state of Figure 10 Fig. 9 also shows lockout mechanism change in location embodiment scheme drawing;

Figure 11 is the band shock absorption device embodiment scheme drawing that back vent is established hinge;

Figure 12 is the another embodiment scheme drawing of band shock absorption device that back vent is established hinge.

Accompanying drawing number:

1. turn to front fork 1-1. handlebar 1-1-1. handle

1-1-2. locking sliding sleeve 1-1-3. connection part 1-1-4. hinge

1-1-5. built-in retracing spring 1-2. handlebar vertical rod 1-3. deflecting bar

1-4. deflecting bar standpipe 1-5. blocking device 1-6. front fork

1-7. hinge 1-8. hinge axis 1-9. hinge

1-10. hinge 1-11. adjusting yoke 1-12. removable pin

2. crossbeam 2-6. regulates runner device 2-7. hinge

2-8. shock absorption device 2-9. galianconism

3. back mounting 3-1. vehicle seat 3-2. vehicle seat vertical rod

3-3. vehicle seat standpipe 3-4. back vent 3-5. chain

3-6. lock pin or latch hook or lockhole or magnetic force are inhaled piece

3-7. step tread plate 3-8. pedal connecting rod

3-9. zipper saw disc 3-10. axis 3-11. axis sleeve pipe

3-12. shelf 3-13. lockout mechanism 3-14. hinge

4. car front-wheel

5. back wheels of vehicle 5-1. transmission flywheel

The specific embodiment

Embodiment 1:

Please refer to the fast folding bicycle of Fig. 1～7., comprise: turn to front fork 1, crossbeam 2, back mounting 3 to constitute vehicle frame and car front-wheel 4, back wheels of vehicle 5 and transmission device, the described deflecting bar standpipe 1-4 of front fork 1 that turns to is connected with crossbeam 2 front ends, the affixed galianconism 2-9 in the hinge 2-7 that described back mounting 3 is provided with by the vertical face of vertical vehicle frame and crossbeam 2 bottoms is hinged, and the rear end of described crossbeam 2 locks by lockout mechanism 3-13 with the vehicle seat standpipe 3-3 of back mounting 3; Deflecting bar standpipe 1-4 after this car is folding, crossbeam 2 and back mounting 3 form a closed frame structure, and lock by blocking device, car front-wheel 4 after folding, back wheels of vehicle 5 on same vertical face and forward and backward wheel rim land, and step tread plate 3-7 still drives back wheels of vehicle 5 by transmission device.

The described front fork 1 that turns to connects handlebar vertical rod 1-2 by handlebar 1-1, the handlebar vertical rod insert in the deflecting bar 1-3 and with it bearing fit lock by snap close, deflecting bar 1-3 connect front fork 1-6 and with deflecting bar standpipe 1-4 normal-running fit, car front-wheel 4 is installed in front fork 1-6 lower end; Described back mounting 3 connects vehicle seat vertical rod 3-2 by vehicle seat 3-1, vehicle seat vertical rod 3-2 inserts in the vehicle seat standpipe 3-3 and with its bearing fit and is locked by snap close, vehicle seat standpipe 3-3 intersect affixed with back vent 3-4 or vehicle seat standpipe 3-3 and back vent 3-4 front end affixed, the back wheels of vehicle 5 of back vent 3-4 rear end mounting strap transmission flywheel 5-1.

Described transmission device be the back mounting 3 back vent 3-4 front portion or vehicle seat standpipe 3-3 lower, transverse axis sleeve pipe 3-11 is set, axis 3-10 with axis sleeve pipe 3-11 running-fit is arranged in the axis sleeve pipe 3-11, affixed zipper saw disc 3-9 of axis 3-10 and left and right pedal connecting rod 3-8, left and right pedal connecting rod 3-8 is hinged with left and right step tread plate 3-7 respectively by the pedal axle; Described zipper saw disc 3-9 is by the transmission flywheel 5-1 on the chain 3-5 drive back wheels of vehicle 5.

Described blocking device 1-5 is that lock pin or latch hook or lockhole or magnetic force are inhaled piece, and described blocking device 1-5 is provided with deflecting bar standpipe 1-4 rear portion, inhales piece 3-6 with the sealed lock pin of blocking device 1-5 or latch hook or lockhole or magnetic force and can be located at vehicle seat vertical rod 3-2 bottom; Blocking device 1-5 or be located at crossbeam 2 bottoms inhales back vent 3-4 front end or axis sleeve pipe 3-11 front portion or the vehicle seat standpipe 3-3 front portion that piece 3-6 is located at back mounting 3 with the sealed lock pin of blocking device 1-5 or latch hook or lockhole or magnetic force; Also blocking device 1-5 can be located at crossbeam 2 bottoms, inhale piece 3-6 with the sealed lock pin of blocking device 1-5 or latch hook or lockhole or magnetic force and be arranged on vehicle seat vertical rod 3-2 bottom.

Described handlebar 1-1 is divided into three sections: left and right two handle 1-1-1 and connection part 1-1-3, left and right two handles are hinged by handlebar hinge 1-1-4 with the left and right two ends of connection part respectively, and by the locking sliding sleeve 1-1-2 locking with built-in retracing spring 1-1-5.

Described deflecting bar 1-3 is provided with the hinge 1-7 of button with lock above deflecting bar standpipe 1-4, the hinge axis 1-8 of this hinge 1-7 is perpendicular to the vertical face setting of vehicle frame.

Described crossbeam 2 and back vent 3-4 galianconism 2-9 are straight or curved.

Embodiment 2:

The fast folding bicycle that deflecting bar is not folding, what its structure was the same repeats no more, and institute's difference is: described deflecting bar 1-3 is not provided with the hinge 1-7 of button with lock, as shown in Figure 8.

Embodiment 3:

Turn to the adjustable fast folding bicycle of front fork degree of dip, shown in Fig. 8,9,10, what its structure was the same repeats no more, institute's difference is: described deflecting bar standpipe 1-4 and crossbeam 2 front ends are hinged by hinge 1-9, between deflecting bar standpipe 1-4 and crossbeam 2, adjusting yoke 1-11 is set, the end of this adjusting yoke 1-11 is articulated on the deflecting bar standpipe 1-4 by hinge 1-10, the adjusting yoke other end by removable pin 1-12 be located at the adjusting runner device 2-6 running-fit of crossbeam 2, and be locked by snap close.

Embodiment 4:

The fast folding bicycle of shock absorption device is set, and what its structure was the same repeats no more, and institute's difference is: described crossbeam 2 rear ends connect with vehicle seat standpipe 1-4 by shock absorption device 2-8 and lockout mechanism 3-13, as shown in Figure 8, and for a kind of.

Another fast folding bicycle that shock absorption device is set is that described galianconism 2-9 upper end also can connect with vehicle seat standpipe 3-3 by shock absorption device 2-8 and lockout mechanism 3-13, shown in Fig. 9,10.

Also having a kind of fast folding bicycle that shock absorption device is set is that described shock absorption device 2-8 is located between vehicle seat standpipe 3-3 and the shelf 3-12 or between vehicle seat standpipe 3-3 and the back vent 3-4 or between shelf 3-12 and the back vent 3-4, described back vent 3-4 front end is articulated in axis sleeve pipe 3-11 or vehicle seat standpipe 3-3 by hinge 3-14, shown in Figure 11,12.

The condition of service of the foregoing description:

One, purposes

1. can ride in a bus for big and medium-sized cities, the crowd of subway carries as short distance and replenishes the vehicle, be used on and off duty, go out to handle affairs, go shopping shopping, outing etc., can also be with going home or office, with anti-lost.

2. can in community's scope, back and forth go on a journey to handle affairs for citizen and ride, very convenient and dexterous.

3. can in big plant area and dormitory scope, back and forth ride for the worker of large enterprises, convenient, flexible.

4. using in the campus for the university student, is again a kind of portable " riding with oneself " when going out.

5. can for by air, by plane, the crowd of train, automobile and steamer long-term travel carries, arrive to do short distance behind the destination and " ride with oneself ".

Two, usage

1. method for folding: as Fig. 3,4, shown in 10, when needing after the use to draw in, open the snap close on the vehicle seat standpipe 3-3, pushing vehicle seat 3-1 inserts out vehicle seat vertical rod 3-2 reeve vehicle seat standpipe 3-3 from its below, open lockout mechanism 3-13, promoting vehicle seat 3-1 backward down makes body tail longitudinal folding forward around hinge 2-7 downwards, back wheels of vehicle 5 is forward near car front-wheel 4, the blocking device 1-5 that inhales piece 3-6 and deflecting bar standpipe 1-4 bottom with the sealed lock pin of blocking device 1-5 or latch hook or lockhole or magnetic force of vehicle seat vertical rod 3-2 lower end is locked, it is folding promptly to finish a step, this moment, vehicle body uprightly can be carried out, as shown in Figure 4; Further can handlebar 1-1 is folding, loosing one's grip after the two outside slips of locking sliding sleeve 1-1-2 and downward folding 90 that hold handlebar 1-1 both sides are spent gets final product, as shown in Figure 3; Fold the snap close that deflecting bar is then opened the hinge 1-7 that is arranged on the deflecting bar 1-3 as need, folding back makes it superimposed with crossbeam 2, shown in Fig. 4,10; Left and right step tread plate 3-7 is folding, and shown in Fig. 4,10, because step tread plate 3-7 uses the folding pedal plate of prior art, its method for folding is not given unnecessary details; The method for folding of other variation embodiment is not given unnecessary details one by one.It is flexible that it carries mode, can guide and support conveniently, also can shove along by one hand, can also be contained in run away in the bag, is easy to carry, and also can reduce stolen possibility to greatest extent simultaneously.

2. method of deploying: shown in Fig. 1,2,5,7,8,11,12, open the blocking device 1-5 of deflecting bar standpipe 1-4 bottom and engaging of blocking device 3-6, upwards pulling a 3-1 that pulls a cart forward makes body tail launch backward around hinge 2-7, locking lockout mechanism 3-13, vehicle seat vertical rod 3-2 is upwards pulled out and lock snap close on the vehicle seat standpipe 3-3 in vehicle seat standpipe 3-3, the main body that is about to car is launched; The expansion of other device is contrary operation and repeats no more.

Facts have proved: the utility model has following advantage and positive useful effect:

To be that the first step is folding can make car to its folding mode of fast folding bicycle of the present utility model The rear portion is longitudinally downward, front folding, and the car load length after folding shortens back wheels of vehicle and car front-wheel significantly Near also still point-blank landing simultaneously and keeping vehicle body upright, this state can conveniently shove along; Second step is folding to be that car load is flat thin " square " framework behind pedal and the handle bar folding, and volume further contracts Little, can be convenient to guide and support and fill bag, but but still go-cart walking of this state. So this car carrying mode is flexible, Can push away after folding and walk, upper and lower stair or can guide and support conveniently by bus the time are in and are deposited or by bus the time Save floor space, can also be contained in the bag and walk away, also can reduce to greatest extent stolen simultaneously Possibility is a kind of easily short distance traffic walking-replacing tool.

Claims

1. fast folding bicycle, comprise: turn to front fork (1), crossbeam (2), back mounting (3) to constitute vehicle frame and car front-wheel (4), back wheels of vehicle (5) and transmission device, it is characterized in that: the described deflecting bar standpipe (1-4) of front fork (1) that turns to is connected with crossbeam (2) front end, the affixed galianconism (2-9) in the hinge (2-7) that described back mounting (3) is provided with by the vertical face of vertical vehicle frame and crossbeam (2) bottom is hinged, and the vehicle seat standpipe (3-3) of the rear end of described crossbeam (2) and back mounting (3) is by lockout mechanism (3-13) locking; Deflecting bar standpipe (1-4) after this car is folding, crossbeam (2) and back mounting (3) form a closed frame structure, and lock by blocking device, car front-wheel (4) after folding, back wheels of vehicle (5) on same vertical face and forward and backward wheel rim land, and step tread plate (3-7) still drives back wheels of vehicle (5) by transmission device.

2. fast folding bicycle as claimed in claim 1, it is characterized in that: the described front fork (1) that turns to connects handlebar vertical rod (1-2) by handlebar (1-1), the handlebar vertical rod insert in the deflecting bar (1-3) and with it bearing fit lock by snap close, deflecting bar (1-3) connect front fork (1-6) and with deflecting bar standpipe (1-4) normal-running fit, car front-wheel (4) is installed in front fork (1-6) lower end; Described back mounting (3) connects vehicle seat vertical rod (3-2) by vehicle seat (3-1), vehicle seat vertical rod (3-2) is inserted in the vehicle seat standpipe (3-3) and with its bearing fit and is locked by snap close, vehicle seat standpipe (3-3) intersect affixed with back vent (3-4) or vehicle seat standpipe (3-3) and back vent (3-4) front end affixed, the back wheels of vehicle (5) of back vent (3-4) rear end mounting strap transmission flywheel (5-1).

3. fast folding bicycle as claimed in claim 1 or 2, it is characterized in that: described transmission device be the back mounting (3) back vent (3-4) front portion or vehicle seat standpipe (3-3) lower, transverse axis sleeve pipe (3-11) is set, axis (3-10) with axis sleeve pipe (3-11) running-fit is arranged in the axis sleeve pipe (3-11), affixed zipper saw disc of axis (3-10) (3-9) and left and right pedal connecting rod (3-8), left and right pedal connecting rod (3-8) is hinged with left and right step tread plate (3-7) respectively by the pedal axle; Described zipper saw disc (3-9) is by the transmission flywheel (5-1) on chain (3-5) the drive back wheels of vehicle (5).

4. fast folding bicycle as claimed in claim 1 is characterized in that: described blocking device and lockout mechanism (3-13) are lock pin and lockhole or lock pin and latch hook or magnetic force suction piece.

5. fast folding bicycle as claimed in claim 1 or 2, it is characterized in that: described handlebar (1-1) is divided into three sections: left and right two handles (1-1-1) and connection part (1-1-3), left and right two handles are hinged by handlebar hinge (1-1-4) with the left and right two ends of connection part respectively, and by locking sliding sleeve (1-1-2) locking with built-in retracing spring (1-1-5).

6. fast folding bicycle as claimed in claim 2, it is characterized in that: described deflecting bar (1-3) is provided with the hinge (1-7) of button with lock in the top of deflecting bar standpipe (1-4), and the hinge axis (1-8) of this hinge (1-7) is perpendicular to the vertical face setting of vehicle frame.

7. fast folding bicycle as claimed in claim 2, it is characterized in that: described deflecting bar standpipe (1-4) is hinged by hinge (1-9) with crossbeam (2) front end, between deflecting bar standpipe (1-4) and crossbeam (2), adjusting yoke (1-11) is set, one end of this adjusting yoke (1-11) is articulated on the deflecting bar standpipe (1-4) by hinge (1-10), the adjusting yoke other end by removable pin (1-12) be located at adjusting runner device (2-6) running-fit of crossbeam (2), and be locked by snap close.

8. fast folding bicycle as claimed in claim 1 or 2 is characterized in that: described crossbeam (2), galianconism (2-9) and back vent (3-4) are for straight or curved.

9. fast folding bicycle as claimed in claim 1 is characterized in that: described crossbeam (2) rear end is provided with shock absorption device (2-8), and shock absorption device (2-8) locks by lockout mechanism (3-13) with vehicle seat standpipe (1-4).

10. fast folding bicycle as claimed in claim 9, it is characterized in that: described back vent (3-4) front end is articulated in axis sleeve pipe (3-11) or vehicle seat standpipe (3-3) by hinge (3-14), described shock absorption device (2-8) is located between vehicle seat standpipe (3-3) and the shelf (3-12), or shock absorption device (2-8) is located between vehicle seat standpipe (3-3) and the back vent (3-4), or shock absorption device (2-8) is located between shelf (3-12) and the back vent (3-4).