CN208306865U - A kind of folding recumbent bicycle - Google Patents

Abstract

A kind of folding recumbent bicycle, including vehicle frame, vehicle frame include preceding girder, rear girder, triangle fork and bicycle frame folding unit, preceding girder and rear girder pass through bicycle frame folding unit hingedly connected, the remote bicycle frame folding unit end hingedly connected of triangle fork and rear girder, and tilt down, it is connect for the axle with rear wheel.Due to realizing unfolding and folding for vehicle frame by bicycle frame folding unit, further through triangle fork with rear girder hingedly connected, realize vehicle frame and triangle fork unfold and fold, greatly reduce storage and carry volume.

Description

A kind of folding recumbent bicycle

Technical field

The utility model relates to field of exercise, and in particular to a kind of folding recumbent bicycle.

Background technique

Reclining cycle has both body-building function as a kind of green traffic tool, its comfort has wide compared with vertical bicycle General dissemination brings enjoyment for the material and cultural life of people, also has positive effect to the popularization of Green Travel.It reclines Vehicle is generally mainly made of vehicle frame, seat, handlebar, transmission group and front and back wheel from its structural analysis, due to growing for increase The comfort level that way is ridden obtains problem, and the length of Vehicle Frame Design will be adapted with the body length of people, to make the vehicle frame of reclining cycle It is longer compared with the vehicle frame of bicycle, it is not easy to get on the bus or carrying when upper elevator, can also occupy more space when usually storing.

Apply for content

The application provides a kind of folding recumbent bicycle, and solution vehicle carriage of reclining in the prior art is long, not readily portable and storage Problem.

According in a first aspect, providing a kind of folding recumbent bicycle, including vehicle frame in a kind of embodiment, the vehicle frame includes preceding master Beam, rear girder, triangle fork and bicycle frame folding unit；The preceding girder and the rear girder are connected by the bicycle frame folding unit twisting It connects；Triangle fork, with it is described after girder remote bicycle frame folding unit end hingedly connected, and tilt down, for rear wheel Axle connection.

It further, further include bent pair of structure of seat slide and support, seat slide is fixed on the rear girder, is located at institute The closely described bicycle frame folding unit end of rear girder is stated, fixing seat is used for；Support is bent to pay structure, is fixed on the rear girder, is located at Between the seat slide and triangle fork, for being connected by damper and triangle fork.

Further, the preceding girder is flexible pipe structure, and the preceding girder includes fixing end and installation end；The fixing end With the rear girder by the bicycle frame folding unit hingedly connected.

Further, the twisting angle of the preceding girder and the rear girder is between 0 ° and 180 °.

Further, bent structure and the damper paid of the support is used for assembled by hand and disassembly by screw connection.

It further, further include front fork, handlebar group and the fastening connector on the girder；The fastening connector is used In connection front fork and the handlebar group；The handlebar group includes that vertically extending handle is stood and horizontal；The handlebar is vertical to have threeway Pipe, it is described that cross is fastened connection by screw or Quick Release with the three-port structure on standing is welded on.

It further, further include seat and seat support；The seat includes seat and lower seat；The seat passes through Screw is connected and fixed with the lower seat；The lower seat is connect by the seat slide with the rear girder, for described The position of lower seat is adjusted；The seat support, between the lower seat and the seat slide, for connect it is described under Seat and the seat slide.

Further, the bending of the shape of the seat and human body back is adapted；The shape and human body of the lower seat The radian of buttocks is adapted.

It further, further include transmission component；The transmission group includes chain wheel, foot-operated, driving chain and speed change cone pulley；It is described Chain wheel and described ride all are mounted on the preceding girder；The speed change cone pulley is mounted on rear wheel；Before the driving chain It is engaged respectively with the chain wheel and the speed change cone pulley rear end.

Further, the transmission component further includes double flute guide wheel, is fixedly connected on the preceding girder, and driving chain is located at Drive path on, for being engaged with the transmission chain.

According to a kind of folding recumbent bicycle of above-described embodiment, due to realizing expansion and the folding of vehicle frame by folding connector It is folded, further through triangle fork and rear girder hingedly connected, greatly reduces storage and carry volume.

Detailed description of the invention

Fig. 1 is a kind of three-dimensional appearance schematic diagram for folding recumbent bicycle in a kind of embodiment；

Fig. 2 is a kind of leftschematic diagram for folding recumbent bicycle in a kind of embodiment；

Fig. 3 is a kind of right side schematic view for folding recumbent bicycle in a kind of embodiment；

Main view after Fig. 4 folds for folding recumbent bicycle a kind of in a kind of embodiment.

Specific embodiment

The application is described in further detail below by specific embodiment combination attached drawing.Wherein different embodiments Middle similar component uses associated similar element numbers.In the following embodiments, many datail descriptions be in order to The application is better understood.However, those skilled in the art can recognize without lifting an eyebrow, part of feature It is dispensed, or can be substituted by other elements, material, method in varied situations.In some cases, this Shen Please it is relevant it is some operation there is no in the description show or describe, this is the core in order to avoid the application by mistake More descriptions are flooded, and to those skilled in the art, these relevant operations, which are described in detail, not to be necessary, they Relevant operation can be completely understood according to the general technology knowledge of description and this field in specification.

It is formed respectively in addition, feature described in this description, operation or feature can combine in any suitable way Kind embodiment.Meanwhile each step in method description or movement can also can be aobvious and easy according to those skilled in the art institute The mode carry out sequence exchange or adjustment seen.Therefore, the various sequences in the description and the appended drawings are intended merely to clearly describe a certain A embodiment is not meant to be necessary sequence, and wherein some sequentially must comply with unless otherwise indicated.

It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object, Without any sequence or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and It is indirectly connected with (connection).

In the embodiment of the present application, due to realizing unfolding and folding for vehicle frame by folding connector, further through triangle Fork and rear girder hingedly connected greatly reduce storage and carry volume.

Embodiment one:

Please refer to Fig. 1 to 3, a kind of three-dimensional appearance schematic diagram, leftschematic diagram and leftschematic diagram folding recumbent bicycle.Including Folding lying vehicle carriage 1, seat 2, damper 8, handlebar group 3, wheel 4, transmission component, variable speed assembly, brake assemblies.Due to speed change Component and the same ordinary bicycle of brake assemblies, the present embodiment no longer illustrate.

In the present embodiment, vehicle frame 1 can be had by aluminium alloy etc. and is made compared with the material of strong hardness, including girder 11, be stretched The draw 12, bent pair of structure 13 of support and triangle fork 14.Girder 11 includes preceding girder, rear girder, and preceding girder and rear girder pass through vehicle 17 hingedly connected of frame folder；Girder 11 is laterally extended and its rear end can tilt down, and has rail structure 111 to be used on rear girder Fixing seat 2；Preceding girder is telescoping tube 12, and the length of telescoping tube 12 is variable, including fixing end and installation end, and fixing end is with after Girder is fixedly connected with rear girder by screw locking by 17 hingedly connected of bicycle frame folding unit, by flexible tube fixer 122；Branch The bent rear portion paid structure 13 and be fixed on rear girder 11 of support, is provided with the fixation hole 131 for fixing damper, and for solid Determine the fixation hole 132 of seat support 15.The end of triangle fork 14 and girder 11 passes through fixed to lock screw 112.Support Qu Fujie Fixed mode is welding between structure 13, seat slide 111 and girder 11.

Girder 11 is divided for preceding girder and rear girder referring to FIG. 4, the middle part of girder 11 is arranged in bicycle frame folding unit 17, it is preceding Girder and rear girder make the folder between preceding girder and rear girder by bicycle frame folding unit 17 by 17 hingedly connected of bicycle frame folding unit Angle can flexibly change between 0 ° or so to 180 °, and vehicle frame 1 is in expansion when the angle between preceding girder and rear girder is 180 ° State, vehicle frame 1 is in side-foldable state when the angle between preceding girder and rear girder is close to 0 °.Simultaneously connect damper 8 can disassemble with 14 Quick Release that connect in hole location 133 of triangle fork or screw, and such Vee formation pitches 14 can be longitudinal folding.This Two steps, which fold, can greatly reduce the transport for folding recumbent bicycle and storage volume.

It further, further include the fastening connector 5 of 1 top of front fork 16, handlebar 3 and the girder, the fastening connector 5 For connecting front fork 16 and handlebar group 3,3 lower end of handlebar group is inserted in the connection vertical tube on the fastening connector 5 vertical 32 51 and by external annulus lock 31 fasten.Handlebar group 3 includes vertically extending handle vertical 32 and cross 33.Handle with tee tube is stood Including vertical vertical tube 32 and cross 33, cross 33 is connected by being welded on the three-port structure 34 on vertical 32 to be fastened by screw or Quick Release It connects；The angle vertical 32 can be adjusted freely in a certain range, while be latched by compression another on the fastening connector 5 52 fasten to keep the angle adjusted.

Seat 2 uses ergonomic designs, is made of seat 21 and lower seat 22, upper and lower seat is connected by screw to It is fixed.Seat 2 is connected and fixed by the fixation hole 132 in bent pair of structure 13 of fixing seat bracket 15 and support.Seat 21 The back of shape and human body is adapted, and the back of human body can comfortably lie in this by back.The shape and human body of lower seat 22 The radian of buttocks is adapted.Seat 2 is except through fixing seat bracket 15 and is fixed on bent pair of connection of structure 13 of support, solid simultaneously It is scheduled on girder sliding rail 111, girder sliding rail 111 and girder 11 are fixed as one by modes such as welding, and sliding rail surface is equipped with Double screw hole is conveniently adjusted the seat fixation position different from sliding rail 111.

Damper 8 can be spring damper, be mainly used for absorbing the vibration for folding recumbent bicycle in ride.Damper 8 both ends are connected with bent pair of structure 13 of support and triangle fork 14 respectively.

Wheel 4 includes Chinese herbaceous peony wheel 41 and back wheels of vehicle 42, and Chinese herbaceous peony wheel 41 is mounted on the lower end of front fork 16, and back wheels of vehicle 42 is mounted on On triangle fork 14.The size of Chinese herbaceous peony wheel 41 and back wheels of vehicle 42 is 20 cun.

Transmission component includes chain wheel 61, foot-operated 62, driving chain 63.Chain wheel 61 and foot-operated 62 is all mounted on telescoping tube 12 On telescopic end, the operations that chain wheel 61 adapts to different people with the variation of telescopic end with foot-operated 62, rear speed change cone pulley 64 is mounted on On rear wheel 42.It is engaged respectively with chain wheel 61 and rear speed change cone pulley 64 63 front and back end of driving chain.Transmission component may also include with The double flute guide wheel 66 that driving chain matches, guide wheel 66 are fixed on girder middle position and are located at the drive path of driving chain 63 On.

According to a kind of folding recumbent bicycle of above-described embodiment, the middle part of girder is connected to by bicycle frame folding unit, by girder point For preceding girder and rear girder.Preceding girder and rear girder side-foldable are being got up by bicycle frame folding unit, while fast by laying down Tearing structure open keeps triangle fork longitudinal folding, then after laying down other quick-disassembly structures, so that being reduced to vehicle frame foldable integral volume can To be contained within a knapsack, small size storage is also convenient for after convenient to carry out.By in bent pair of structure and three of support The mode of mounting shock absorber between the fork of angle, reduction fold recumbent bicycle and are supporting bent pair of superstructure attachment base to setting in ride The vibration of chair, to play the role of damping.Even if also can guarantee cycling when cycling on the road of the unevens such as hill path Comfort level.

Use above specific case is illustrated the application, is merely used to help understand the application, not to limit The application processed.For the application person of ordinary skill in the field, according to the thought of the application, can also make several simple It deduces, deform or replaces.

Claims (10)

1. a kind of folding recumbent bicycle, including vehicle frame, which is characterized in that the vehicle frame includes girder and triangle fork；The girder includes Preceding girder, rear girder and bicycle frame folding unit；The preceding girder and the rear girder pass through the bicycle frame folding unit hingedly connected；Institute The remote bicycle frame folding unit end hingedly connected of triangle fork with the rear girder is stated, and is tilted down, for connecting with the axle of rear wheel It connects.

2. folding recumbent bicycle as described in claim 1, which is characterized in that further include:

Seat slide is fixed on the rear girder, is located at the rear closely described bicycle frame folding unit end of girder, is used for fixing seat Chair；Support is bent to pay structure, is fixed on the rear girder, is located between the seat slide and triangle fork, for passing through Damper and triangle fork connect.

3. folding recumbent bicycle as claimed in claim 2, which is characterized in that the preceding girder is flexible pipe structure, the preceding girder Including fixing end and installation end；The fixing end and the rear girder are by the bicycle frame folding unit hingedly connected.

4. folding recumbent bicycle as claimed in claim 3, which is characterized in that the twisting angle of the preceding girder and the rear girder exists Between 0 °~180 °.

5. folding recumbent bicycle as claimed in claim 3, which is characterized in that bent pair of structure of the support and the damper pass through spiral shell Silk connection, is used for assembled by hand and disassembly.

6. as claimed in claim 3 fold recumbent bicycle, which is characterized in that further include front fork, handlebar group and be located at the girder on Fastening connector；The fastening connector is for connecting front fork and the handlebar group；The handlebar group includes vertically extending Vertical and cross；The handlebar is vertical to have a tee tube, it is described cross be welded on the three-port structure on vertical by screw or Quick Release fastens connection.

7. folding recumbent bicycle as claimed in claim 6, which is characterized in that further include seat and seat support；

The seat includes seat and lower seat；The seat is connected and fixed by screw and the lower seat；Under described Seat is connect by the seat slide with the rear girder, and the position for the lower seat is adjusted；The seat support, position Between the lower seat and the seat slide, for connecting the lower seat and the seat slide.

8. folding recumbent bicycle as claimed in claim 7, which is characterized in that the bending phase of the shape of the seat and human body back It adapts to；The shape of the lower seat and the radian of human buttock are adapted.

9. folding recumbent bicycle as claimed in any one of claims 1 to 8, which is characterized in that further include transmission component；The transmission group Including chain wheel, foot-operated, driving chain and speed change cone pulley；The chain wheel and described ride all are mounted on the preceding girder；It is described Speed change cone pulley is mounted on rear wheel；It is engaged respectively with the chain wheel and the speed change cone pulley driving chain front and back end.

10. folding recumbent bicycle as claimed in claim 9, which is characterized in that the transmission component further includes double flute guide wheel, fixed to connect It connects on the preceding girder, in the drive path of driving chain, for being engaged with the transmission chain.