CN207466870U - Folded bicycle - Google Patents

Abstract

The utility model is related to the technical fields of bicycle, provide a kind of folded bicycle, including vehicle frame, the front component and wheel assembly that are installed in rotation on the tumbler of vehicle frame front end and can mutually be folded with vehicle frame, wherein, vehicle frame includes front and rear；Front component includes front fork and front-wheel, and front fork is rotatably connected on tumbler, and can make front-wheel folding to rear portion when posteriorly rotating；Wheel assembly includes back vent and trailing wheel, the rear end for being connected to vehicle frame of back vent rotationally, and trailing wheel can be made to be folded to forepart and be arranged at intervals with front-wheel when anteriorly rotating；Front fork has the first avoiding structure, and back vent has the second avoiding structure.It is compared with the prior art, folded bicycle provided by the utility model, there is larger wheelbase after expansion, it rides comfortable safety, again since folding rear carriage, front fork and back vent are all centered around the surrounding of front wheels and rear wheels, so compact-sized, small volume and shape rule, it is especially relatively thin, convenient for storing and carrying.

Description

Folded bicycle

Technical field

The utility model is related to the technical field of bicycle, more particularly, to a kind of folded bicycle.

Background technology

As people pursue more healthy life, also for better environmental protection, more and more people select voluntarily Vehicle occurs.But bicycle volume is very much not convenient for carrying, and carries bicycle transfer subway or public transport is very inconvenient.

In order to facilitate the carrying of bicycle, traditional design be by the main connecting portion of bicycle be arranged to may be reversed or can The connection of dismounting during carrying, bicycle is folded or part is dismantled, when riding, then will expansion assembling.

There are mainly two types of folding mode, the first folding mode to be existing folded bicycle：By front wheels and rear wheels folded side by side Together, it is this to stack the diminution of the length direction after mode folds, but width direction is very thick, it has not been convenient to it carries and places；The Folding mode is in two：Front wheels and rear wheels are folded in a plane, and front-wheel is turned to front position, trailing wheel is turned to Rear position, the method is relatively thin in a thickness direction, but length direction is larger, can only in order to reduce the length of length direction The wheelbase of the front and back wheel of bicycle is reduced, therefore the method is only suitable for the smaller minibike of wheelbase.

Utility model content

The purpose of this utility model is to provide a kind of folded bicycle, to solve Collapsible bicycle in the prior art Volume is still excessive after folding and shape is irregular, not readily portable, and the technology that the wheelbase that the front and back wheel of rear car is unfolded is shorter Problem.

To achieve the above object, the technical solution adopted in the utility model is：A kind of folded bicycle is provided, including vehicle frame, can The front component and wheel assembly that is rotatably mounted at the tumbler of the vehicle frame front end and can mutually be folded with vehicle frame, In, the vehicle frame includes the front and rear being connected with each other；Front component includes front fork and the front-wheel being arranged on the front fork, The front fork is rotatably connected on the tumbler, and can make front-wheel folding when to the posterior rotation to after described Portion；The wheel assembly includes back vent and the trailing wheel that is arranged on the back vent, and the back vent being connected to rotationally is described The rear end of vehicle frame, and trailing wheel can be made to be folded to the forepart and be arranged at intervals with the front-wheel when being rotated to the forepart；Institute Stating front fork has the first avoiding structure mutually avoided with wheel assembly in a folded configuration, and the back vent has in a folded configuration The second avoiding structure mutually avoided with front component.

Further, the vehicle frame has one for accommodating the receiving space of the front-wheel and the trailing wheel, the receiving Space is divided into front space corresponding with the forepart and rear space corresponding with the rear portion, and the front-wheel is in folded state Under be folded in the rear space, the trailing wheel is folded in a folded configuration in the front space.

Further, the vehicle frame includes preceding mounting base, at least one master of rear mounting base and connection between Beam, the tumbler are arranged in the preceding mounting base, and the back vent is rotatably connected at the rear mounting base；Pacify before described Fill the longitudinal axis of seat with it is described after the longitudinal axis of mounting base define a longitudinal center plane jointly, at least one girder is from institute Mounting base to the rear mounting base extension and deviates the longitudinal center plane before stating；Tumbler is arranged in the preceding mounting base, The preceding mounting base, rear mounting base and girder are enclosed the receiving space.

Further, the cover at least partly surrounding the front-wheel and the trailing wheel when folding is provided on the girder If part.

Further, the vehicle frame includes preceding mounting base and rear mounting base, and tumbler is arranged in the preceding mounting base, institute Before stating the longitudinal axis of mounting base with it is described after the longitudinal axis of mounting base define a longitudinal center plane jointly, the front fork passes through the One articulated shaft is connected to the tumbler, and the back vent is connected to the rear mounting base by the second articulated shaft；First hinge The axis of spindle is perpendicular or parallel to longitudinal center plane, and the axis of second articulated shaft is perpendicular or parallel to longitudinal center plane.

Further, the vehicle frame includes preceding mounting base, rear mounting base and connection girder between, described turn It is arranged in the preceding mounting base to part；The center of the trailing wheel under the longitudinal axis and unfolded state of the preceding mounting base is common A longitudinal center plane is defined, the receiving space is located at the side of the vehicle frame；The front fork passes through the first hinged axis connection Form in the tumbler, the extending direction of first articulated shaft and between the direction of the longitudinal center plane one the One default angle, so that the split of front-wheel front-wheel in the deployed state is overlapped with longitudinal center plane；The back vent passes through second Articulated shaft be connected to it is described after mounting base, the extending direction of second articulated shaft with perpendicular to the direction of the longitudinal center plane Between form one second default angle so that the split of trailing wheel trailing wheel in the deployed state is overlapped with longitudinal center plane.

Further, which further includes symmetrically arranged a pair of of handlebar assembly, and each handlebar assembly includes handle With standing, described that vertical one end and the tumbler are hinged, the inner end of the other end and the handle is hinged, two handles It is parallel to each other in a folded configuration, two one or two it is vertical between there are to be pierced by a folded configuration for the front-wheel and the trailing wheel part Default spacing, and can be rotated around described vertical with the hinged place of the tumbler relative to the vehicle frame, and in folded state Under two handlebar assemblies is made to turn to the both sides of the front-wheel and the trailing wheel respectively.

Further, back vent support element, one end of the back vent support element are provided between the back vent and the vehicle frame The back vent is articulated with, the other end is movably connected on the vehicle frame；It is provided between the back vent support element and the back vent The elastic component that the back vent support element is made to be swung to the back vent during folding；Back vent support element sticks on back vent in a folded configuration On.

Further, the front fork includes a front support arm, the front support arm include the first segment that bends each other and Second segment, first segment are connect with tumbler, and second segment is connect with front-wheel, and the first segment and the second segment form described first Avoiding structure；Alternatively, the front fork includes spaced two front support arms, each front support arm includes curved each other The first segment and second segment of folding, first segment are connect with tumbler, and second segment is connect with front-wheel, between two front support arms Interval and the first segment and the second segment form first avoiding structure.

Further, which further includes axis and two pedal assemblies, the axis are installed in rotation on institute It states on back vent, the pedal assembly of one of them includes adapter, pedal and crank, and the adapter is fixedly connected on institute Axis is stated, one end of the crank is connect with the pedal, and the other end is articulated with the adapter, and the pedal is in folded state Under be embedded between the front-wheel and the trailing wheel.

It is compared with the prior art, folded bicycle provided by the utility model, vehicle frame includes the front and rear being connected with each other, preceding Fork is rotatably connected on tumbler and can make front-wheel folding to rear portion when posteriorly rotating；The connection of back vent rotationally In the rear end of vehicle frame, and trailing wheel can be made to be folded to forepart and be arranged at intervals with front-wheel when anteriorly rotating, front fork, which has, to be rolled over The first avoiding structure mutually avoided with wheel assembly under overlapping state, back vent have what is mutually avoided with front component in a folded configuration Second avoiding structure, in this way, since front-wheel is foldable to vehicle frame rear portion and trailing wheel is foldable to vehicle frame forepart, i.e. front wheels and rear wheels Interfolded together, therefore with longer front fork and back vent, so having larger front and rear wheel base after expansion, is ridden easypro Clothes safety, and since folding rear carriage, front fork, back vent are all centered around the surrounding of front wheels and rear wheels, so compact-sized, volume compared with Small and shape rule, it is especially relatively thin, convenient for storing and carrying；In addition, vehicle frame is only needed up to lift during expansion, make its icepro Sky, trailing wheel and back vent, front-wheel and front fork Automatic-expanding under gravity, it is easy to operate, quick.

Description of the drawings

Fig. 1 is the stereoscopic schematic diagram of unfolded state at the folded bicycle of the offer of the utility model embodiment one；

Fig. 2 is the schematic top plan view of unfolded state at the folded bicycle of the offer of the utility model embodiment one；

Fig. 3 is the stereoscopic schematic diagram of folded state at the front component for the folded bicycle that the utility model embodiment one provides；

Fig. 4 is the vertical view signal of folded state at the front component for the folded bicycle that the utility model embodiment one provides Figure；

Fig. 5 is the stereoscopic schematic diagram of folded state at the folded bicycle of the offer of the utility model embodiment one；

Fig. 6 is the schematic top plan view of folded state at the folded bicycle of the offer of the utility model embodiment one；

Fig. 7 is the stereoscopic schematic diagram of unfolded state at the folded bicycle of the offer of the utility model embodiment two；

Fig. 8 is the schematic top plan view of unfolded state at the folded bicycle of the offer of the utility model embodiment two；

Fig. 9 is the stereoscopic schematic diagram of folded state at the front component for the folded bicycle that the utility model embodiment two provides；

Figure 10 is the stereoscopic schematic diagram of folded state at the folded bicycle of the offer of the utility model embodiment two；

Figure 11 is the schematic top plan view of folded state at the folded bicycle of the offer of the utility model embodiment two；

Figure 12 is the stereoscopic schematic diagram of unfolded state at the folded bicycle of the offer of the utility model embodiment three；

Figure 13 is the schematic top plan view of unfolded state at the folded bicycle of the offer of the utility model embodiment three；

Figure 14 is the stereoscopic schematic diagram of folded state at the front component for the folded bicycle that the utility model embodiment three provides；

Figure 15 is the stereoscopic schematic diagram of folded state at the folded bicycle of the offer of the utility model embodiment three；

Figure 16 is the schematic front view of folded state at the folded bicycle of the offer of the utility model embodiment four；

Figure 17 is the schematic front view of folded state at the folded bicycle of the offer of the utility model embodiment five；

Figure 18 is the stereoscopic schematic diagram of folded state at the folded bicycle of the offer of the utility model embodiment six.

Main element symbol description

100：Folded bicycle P-P；P'-P'：Longitudinal center plane

10：Vehicle frame 11：Forepart

12：Rear portion 10a：Receiving space

10b：Front space 10c：Rear space

13：Preceding mounting base 14：Mounting base afterwards

15：Girder 16：First articulated shaft

17：Second articulated shaft

20：Tumbler

30：Front component 31：Front fork

32：Front-wheel 33：First avoiding structure

34：Front support arm 341：First segment

342：Second segment

40：Wheel assembly 41：Back vent

42：Trailing wheel 43：Second avoiding structure

44：Rear support arm 441：Third section

442：4th section

50：Handlebar assembly 51：Handle

52：Vertical

60：Back vent support element 70：Axis

80：Pedal assembly 81：Adapter

82：Pedal 83：Crank

A1：First default included angle A 2：Second default angle

90：Saddle 91：Seat bar

Specific embodiment

In order to which technical problem to be solved in the utility model, technical solution and advantageous effect is more clearly understood, with Lower combination accompanying drawings and embodiments, the present invention is further described in detail.It should be appreciated that described embodiment is this The part of the embodiment of utility model, instead of all the embodiments.Based on the embodiment of described the utility model, ability Domain those of ordinary skill all other embodiments obtained under the premise of without creative work, belong to the utility model The range of protection.

In order to which those skilled in the art is made to more fully understand the technical solution of the utility model, with reference to specific attached drawing The realization of the utility model is described in detail.

For sake of convenience, it is hereinafter so-called " preceding " " rear " " left side " " right side " " on " " under ", it is based on folding each of vehicle carriage A direction towards the X-direction in front of vehicle frame is " preceding " in Fig. 1, and Y direction is " right side ", Z-direction be " on ".

Unless otherwise defined, technical term or scientific terminology used herein are should be in the utility model fields The ordinary meaning that personage with general technical ability is understood.Make in the utility model patent application specification and claims " first ", " second " and similar word are not offered as any sequence, quantity or importance, and are used only to distinguish Different component parts.Equally, the similar word such as "one" or " one " does not indicate that quantity limits yet, but represents exist at least One.

Embodiment one

As shown in Figures 1 to 6, folded bicycle 100 provided in this embodiment, can be a kind of long wheelbase bicycle or electric vehicle, Certainly, structure is also adapted to the bicycle or electric vehicle of small wheelbase, and the bicycle of small wheelbase or electric vehicle are folded into smaller Volume.

Referring to Fig. 1 to 6, above-mentioned folded bicycle 100 includes vehicle frame 10, the tumbler for being installed in rotation on 10 front end of vehicle frame 20 and the front component 30 and wheel assembly 40 that can mutually be folded with vehicle frame 10, wherein, vehicle frame 10 includes what is be connected with each other Forepart 11 and rear portion 12, front component 30 include front fork 31 and the front-wheel 32 being arranged on front fork 31, and front fork 31 rotationally connects It is connected on tumbler 20, and front-wheel 32 can be made to be folded to rear portion 12 when posteriorly 12 rotate；Wheel assembly 40 includes back vent 41 With the trailing wheel 42 being arranged on back vent 41, the rear end for being connected to vehicle frame 10 of back vent 41 rotationally, and can be at anteriorly 11 turns Trailing wheel 42 is made to be folded to forepart 11 and be arranged at intervals with front-wheel 32 when dynamic；Front fork 31 have in a folded configuration with wheel assembly 40 The first avoiding structure 33 mutually avoided, back vent 41 have the second avoiding structure avoided in a folded configuration with 30 phase of front component 43.It is easily understood that front-wheel 32 can be respectively in expanded position and folding position phase by back vent 41 by front fork 31, trailing wheel 42 Vehicle frame 10 is swung, in the deployed state, front fork 31, back vent 41 are rocked to front side and the rear side of vehicle frame 10,32 He of front-wheel respectively Trailing wheel 42 is located at the expanded position of 10 front side of vehicle frame and rear side respectively；In a folded configuration, front fork 31 is swung to 10 rear side of vehicle frame, Front-wheel 32 is made to be folded to the folded position at rear portion 12, back vent 41 is swung to 10 front side of vehicle frame, and trailing wheel 42 is made to be folded to forepart 11 Folded position；The first avoiding structure 33 on front fork 31 can make front fork 31 in the swing process be unfolded and folded with trailing wheel 42 and 41 phase of back vent avoid, the second avoiding structure 43 on back vent 41 can make back vent 41 in the swing process be unfolded and folded with Front-wheel 32 and 31 phase of front fork avoid, in this way, it is ensured that and in folding and expansion, front and rear wheel assembly 30,40 will not interfere, into And make the folded bicycle 100 that can successfully realize folding and expansion.

Referring to Fig. 1 to 6, vehicle frame 10 has one for accommodating the receiving space 10a of front-wheel 32 and trailing wheel 42, receiving space 10a point be with 11 corresponding front space 10b of forepart and with 12 corresponding rear space 10c of rear portion, front-wheel 32 is in folded state Under be folded in rear space 10c, trailing wheel 42 is folded in a folded configuration in front space 10b.It is understood that due to Above-mentioned folded bicycle 100 is to realize to fold and be unfolded, the folding position set of front-wheel 32 with the swing of front and rear fork 31,41 relative frames 10 In in rear space 10c, the folding position of trailing wheel 42 is located in front space 10b, in this way, since front and back wheel 32,42 is staggeredly put It puts so that there is longer front and rear fork 31,41, therefore folded bicycle 100 has larger front and rear wheel base after expansion, rides comfortable Safety；Again since vehicle frame 10 and front and rear fork 31,41 are all centered around the surrounding of front and back wheel 32,42 so that after the folded bicycle 100 folds Size is extremely small, especially relatively thin, compact-sized, shape rule, easy to carry.

Referring to Fig. 1 to 6, vehicle frame 10 includes preceding mounting base 13, the girder 15 of rear mounting base 14 and connection between, Before tumbler 20 is arranged in mounting base 13, back vent 41 is rotatably connected to the lower end of rear mounting base 14；Mounting base 14 can afterwards To be a standpipe, seat bar 91 is retractably installed in rear mounting base 14；Saddle 90 is provided on seat bar 91；In a folded configuration The top that is mobile and finally leaning against front-wheel 32 as seat bar 91 is shunk of saddle 90, makes the volume smaller after folding.Preceding mounting base 13 The longitudinal axis 14a of longitudinal axis 13a and rear mounting base 14 define a longitudinal center plane P-P jointly, girder 15 is from preceding mounting base 13 backward mounting base 14 extend and deviate longitudinal center plane P-P；Preceding mounting base 13, rear mounting base 14 and girder 15 enclose jointly Form receiving space 10a.In the present embodiment, the quantity of girder 15 is but is not limited to two, and two girders 15 are respectively before Mounting base 14 extends mounting base 13 backward, and there are front and back wheel 32,42 parts is supplied to be pierced by a folded configuration between two girders 15 Default spacing, preceding mounting base 13, rear mounting base 14 and two girders 15 define above-mentioned receiving space 10a, that is, It says, in a folded configuration, front and back wheel 32,42 is rocked to by front and rear fork 31,41 in receiving space 10a respectively, 32, front-wheel In the rear side of trailing wheel 42, and the two is arranged at intervals, 31,41 lower sections for being rocked to girder 15 respectively of front and rear fork, in this way, due to master Beam 15 leans against the both sides of front and back wheel 32,42 in a folded configuration, makes the volume smaller after folding.

In another embodiment, the quantity of girder 15 is one, and from preceding mounting base 13, mounting base 14 extends and deviates backward Longitudinal center plane P-P can be located at the left or right side of longitudinal center plane P-P, in this way, in a folded configuration, front and back wheel 32,42 Positioned at the right side of the girder 15 or left side.

Referring to Fig. 1 to 6, the folded bicycle 100 of the present embodiment is longitudinal folding structure, and front fork 31 is connected by the first articulated shaft 16 Tumbler 20 is connected to, back vent 41 is connected to rear mounting base 14 by the second articulated shaft 17；The axis of first articulated shaft 16 perpendicular to Longitudinal center plane P-P, the axis of the second articulated shaft 17 are transversely to the machine direction median plane P-P, that is to say, that front fork 31 can be around the first hinge The axis of spindle 16 is swung up and down with respect to tumbler 20, and so as to which 32 relative frame 10 of front-wheel be driven to swing up and down, back vent 41 can be around The relatively rear mounting base 14 of the axis of second articulated shaft 17 is swung up and down, and so as to which 42 relative frame 10 of trailing wheel be driven to swing up and down, is made After front and back wheel 32,42 swings in the receiving space 10a of vehicle frame 10 upwards.It is noted that in expansion and folding process, it is front and rear The movement locus at 32,42 centers is taken turns on above-mentioned longitudinal center plane P-P, in this way, in folded state, front and back wheel 32,42 Center at the centre of two girders 15, expansion only needs vehicle frame up to lift, and makes it high up in the air, trailing wheel and back vent, front-wheel and Front fork Automatic-expanding under gravity, it is swift and convenient to operate.

Referring to Fig. 1 to 6, front fork 31 includes front support arm 34, and back vent 41 includes rear support arm, in the present embodiment, preceding branch The quantity of brace 34 is but is not limited to two, and two deviation longitudinal center plane P-P interval settings of front support arms 34 are propped up before each Brace 34 includes the first segment 341 bent each other and second segment 342, first segment 341 are connect with tumbler 20, second segment 342 It is connect with front-wheel 32, the interval and first segment 341 and second segment 342 between two front support arms 34 form the first avoiding structure 33；Back vent 41 includes deviateing spaced two rear support arms 44 of longitudinal center plane P-P, between two rear support arms 44 between Every the second avoiding structure 43 of composition.Specifically, in a folded configuration, the second segment 342 of the front fork 31 of the same side is located at the side Girder 15 and the side rear support arm 44 between, the top of front-wheel 32 folds into the rear space 10c between two girders 15, The second avoiding structure of lower part 43 is arranged in back vent 41, and the rear axle of trailing wheel 42 is housed in the bending of first segment 341 and second segment 342 Place, the two front support arm 34 of top of trailing wheel 42 fold into the front space 10b between two girders 15.It is it is understood that preceding Fork 31 is concealed in the space between girder 15 and back vent 41, reduces the integral thickness after folding.

In another embodiment, the quantity of front support arm 34 is one, and front support arm 34 deviates above-mentioned longitudinal center plane P-P, the quantity of rear support arm 44 is two.

In another embodiment, the quantity of front support arm 34 is two, and the quantity of rear support arm 44 is one, rear support arm 44 deviate above-mentioned longitudinal center plane P-P.

Referring to Fig. 1 to 6, it is provided on girder 15 and is provide with part by what front-wheel 32 and trailing wheel 42 at least partly surrounded when folding (not shown), this is provide with the soft cloth class or figurate cover that part can be variable shape, before package Trailing wheel 32,42.In the present embodiment, the soft cloth class cover that part is variable shape is provide with, is fixed between two girders 15, In this way, in a folded configuration, front and back wheel 32,42 can be wrapped in and be pierced by the part of girder 15, use can be made dirty to avoid wheel Person and such as handle are vertical, handle component.

Referring to Fig. 1 to 6, the folded bicycle 100 of the present embodiment further includes symmetrically arranged a pair of of handlebar assembly 50, each handlebar Component 50 includes handle 51 and vertical 52, vertical 52 one end is hinged with tumbler 20, the inner end of the other end and handle 51 is cut with scissors It connects；Between two one or two vertical 52 there are supply the top of front-wheel 32 in a folded configuration and the upper part of trailing wheel 42 is pierced by it is default between Away from；In the deployed state, two handles 51 are vertically arranged when not turning to above-mentioned longitudinal center plane P-P substantially；During folding, Two handles 51 are rotated up respectively around it and vertical 52 articulated shaft until position parallel to each other, two one or two vertical 52 around The hinged axial vehicle frame 10 of itself and tumbler 20 rotates, and two groups of handlebar assemblies 50 is finally made to be close in front and back wheel 32,42 respectively Both sides, at this time two handles 51 be located at the rear end for vertical between 52 and girder 15 and its outer end being directed toward vehicle frame 10；It is beneficial to effect Fruit is so that the volume smaller after folding is especially thinner.

Referring to Fig. 1 to 6, as further optimizing, back vent support element 60, back vent are provided between back vent 41 and vehicle frame 10 One end of support element 60 is articulated with back vent 41, and the other end is movably connected on vehicle frame 10.Back vent support element 60 can be had centainly The stent of intensity or the shock absorber with elastic shock absorbing structure.It is provided between back vent support element 60 and back vent 41 The elastic component (not shown) that back vent support element 60 is made to be swung to back vent 41 during folding, elastic component provide a driving back vent branch always The power that the free end of support member 60 reclines to back vent 41 and 10 hinged place of vehicle frame, during expansion, the free end of back vent support element 60 is in bullet The predeterminated position for moving and being finally connected in rear mounting base 14 along rear mounting base 14 under the action of property part；In folded state Under, the free end of back vent support element 60 under the action of elastic component auto-folder to folded end (the i.e. back vent 41 with back vent 41 Hinged one end with vehicle frame 10) it reclines, so as to make folding efficient and convenient, and reduce the volume after folding.

Referring to Fig. 1 to 6, as further optimizing, the folded bicycle 100 of the present embodiment further includes axis 70 and left and right two A pedal assembly 80, axis 70 are rotatably arranged on back vent 41, right-hand tread plate component can be it is of the prior art all step on Plate component, left-hand tread plate component 80 include adapter 81, pedal 82 and crank 83, and adapter 81 is fixedly connected on axis 70, bent One end of handle 83 is connect with pedal 82, and the other end is articulated with adapter 81；During folding, crank 83 is around its being hinged with adapter 81 Axis rotates 180 degree and pedal 82 is made to be embedded between front-wheel 32 and trailing wheel 42, so as to which crank 83 be avoided to protrude from the rear end of vehicle frame And collect pedal 82 well simultaneously, make structure more compact, volume smaller.

Embodiment two

It 7 to 11 only just elaborates below in conjunction with the accompanying drawings with difference in previous embodiment.

Referring to Fig. 7 to 11, the folded bicycle 100 of the present embodiment is laterally folded structure, vehicle frame 10 include preceding mounting base 13, after The girder 15 of mounting base 14 and connection between, before tumbler 20 is arranged in mounting base 13, preceding mounting base 13 is indulged The longitudinal axis 14a of axis 13a and rear mounting base 14 defines a longitudinal center plane P-P jointly, and the quantity of girder 15 is but not office It is limited to one, mounting base 14 extends and deviates longitudinal center plane P-P girder 15 backward from preceding mounting base 13；Preceding mounting base 13, after Mounting base 14 and girder 15 are enclosed receiving space 10a.

Referring to Fig. 7 to 11, front fork 31 includes front support arm 34, and back vent 41 includes rear support arm 44, the number of front support arm 34 Amount is but is not limited to one, and 34 low damage part 20 of front support arm extends to front-wheel 32 and deviates longitudinal center plane P-P settings, structure Into the first avoiding structure 33；The quantity of rear support arm 44 is but is not limited to one, rear support arm 44 from rear mounting base 14 backward 42 extension of wheel and the P-P settings of deviation longitudinal center plane, form the second avoiding structure 43.Front fork 31 is connected by the first articulated shaft 16 In tumbler 20, back vent 41 is connected to rear mounting base 14 by the second articulated shaft 17.

Specifically, the axis of the first articulated shaft 16 is parallel to longitudinal center plane P-P, 16 low damage part 20 of the first articulated shaft to Lower and to vehicle frame 10 the inclination of rear portion 12 extends, and the axis of the second articulated shaft 17 is parallel to longitudinal center plane P-P, the second articulated shaft 17 tilt extension downwards and to the forepart 11 of vehicle frame 10 from rear mounting base 14, that is to say, that front fork 31 can be around the first articulated shaft 16 Axis swing with respect to tumbler 20,32 relative frame 10 of front-wheel to be driven to swing, so as in a folded configuration will Trailing wheel 42 is rocked in rear space 10c.Back vent 41 can be around axis 14 or so the pendulum of rear mounting base relatively of the second articulated shaft 17 It is dynamic, 42 relative frame 10 of trailing wheel to be driven to swing, so as to which trailing wheel 42 is rocked to front space 10b in a folded configuration Interior, after front and back wheel 32,42 swings in the receiving space 10a of vehicle frame 10 upwards, folded bicycle 100 realizes folded state, makes its volume It minimizes.It is noted that under unfolded state and folded state, front and back wheel 32,42 centers in above-mentioned longitudinal center On the P-P of face.

Certainly, the structure and folding mode of front component or wheel assembly can also be structure and the side of embodiment one Formula.

Embodiment three

It 12 to 15 only just elaborates below in conjunction with the accompanying drawings with difference in previous embodiment.

Referring to Figure 12 to 15, the folded bicycle 100 of the present embodiment, using inclined side rail configuration, including vehicle frame 10, rotationally Tumbler 20 and the front component 30 and wheel assembly 40 that can mutually be folded with vehicle frame 10 mounted on 10 front end of vehicle frame, In, vehicle frame 10 includes preceding mounting base 13, rear mounting base 14 and connection girder 15 between, the quantity of girder 15 be but One is not limited to, mounting base 14 extends girder 15 backward from preceding mounting base 13.It is preceding before tumbler 20 is arranged in mounting base 13 Mounting base 13, rear mounting base 14 and girder 15 are enclosed receiving space 10a, and receiving space 10a is located at the one of vehicle frame 10 Side.The longitudinal axis 13a of preceding mounting base 13 and the center of trailing wheel 42 in the deployed state define a longitudinal center plane P'- jointly P', front fork 31 be connected to tumbler 20 by the first articulated shaft 16, the extending direction of the first articulated shaft 16 and is transversely to the machine direction One first default included angle A 1 is formed between the direction of heart face P'-P', so that the split of the front-wheel 32 in the deployed state of front-wheel 32 (i.e. the axial centre face of front-wheel 32) is overlapped with longitudinal center plane P'-P'；Back vent 41 is pacified after being connected to by the second articulated shaft 17 It fills seat 14, the extending direction of the second articulated shaft 17 and is transversely to the machine direction between the direction of median plane P'-P' that form one second default Included angle A 2, so that the split (i.e. the axial centre face of trailing wheel 42) and longitudinal center plane of the trailing wheel 42 in the deployed state of trailing wheel 42 P'-P' is overlapped.It is easily understood that when the first and second default included angle As 1, A2 are smaller, 100 substantially longitudinal folding of folded bicycle Stack structure, i.e. front fork 31 can be swung up and down around the axis of the first articulated shaft 16 with respect to tumbler 20, to drive front-wheel 32 with respect to vehicle Frame 10 is swung up and down, thus being rocked to trailing wheel 42 in rear space 10c in a folded configuration；Back vent 41 can be hinged around second The relatively rear mounting base 14 of the axis of axis 17 is swung up and down, 42 relative frame 10 of trailing wheel to be driven to swing up and down, so as in rugosity Being rocked to trailing wheel 42 in front space 10b under state.It is noted that above-mentioned 100 structure of folded bicycle, in unfolded state Under, the center of front-wheel 32 and the center of trailing wheel 42 are respectively positioned in longitudinal center plane P'-P', that is to say, that front-wheel under unfolded state 32 split and the split of trailing wheel 42 are in the same plane；And in a folded configuration, front component 30 and wheel assembly 40 It is respectively positioned on the side of vehicle frame 10.

Certainly, when the first and second default included angle As 1, A2 are larger, folded bicycle 100 be essentially laterally folded structure, i.e., before Fork 31 can swing around the axis of the first articulated shaft 16 with respect to tumbler 20, to drive 32 relative frame of front-wheel, 10 or so pendulum It is dynamic；Back vent 41 can swing around the relatively rear mounting base 14 of axis of the second articulated shaft 17, to drive 42 relative frame 10 of trailing wheel It swings.

Specifically, front fork 31 includes front support arm 34, and back vent 41 includes rear support arm 44.The quantity of front support arm 34 be but One is not limited to, front support arm 34 includes the first segment 341 bent each other and second segment 342, first segment 341 and tumbler 20 Connection, second segment 342 are connect with front-wheel 32, and 341 low damage part 20 of first segment tilts extension to front axle and to the outside of front-wheel 32, First segment 341 and second segment 342 form the first avoiding structure 33, and in a folded configuration, the rear axle of trailing wheel 42 is housed in first segment 341 with the bending place of second segment 342.The quantity of rear support arm 44 is but is not limited to one, and rear support arm 44 includes curved each other The third section 441 of folding and the 4th section 442, third section 441 is connect with rear mounting base 14, and the 4th section 442 connect with trailing wheel 42, third Section 441 tilts extension from rear mounting base 14 to rear axle and to the outside of trailing wheel 42, and third section 441 and the 4th section 442 form second Avoiding structure 43.It is understood that preceding mounting base 13, rear mounting base 14 and girder 15 are located at the side of front and back wheel 32,42, institute With volume smaller.And the length of girder 15 can not be limited by front and back wheel 32,42 diameters, so as to use what is be relatively large in diameter In the structure of front and back wheel 32,42, the shorter girder 15 of length can be used.

Referring to Figure 12 to 15, the folded bicycle 100 of the present embodiment goes back handle 51 and vertical 52, one end and tumbler vertical 52 20 is hinged, and the middle part of the other end and handle 51 is hinged；In a folded configuration, handle 51 and handle vertical 52 rest in front and back wheel 32,42 Side so that the volume smaller after folding.

Example IV

It 16 only just elaborates below in conjunction with the accompanying drawings with difference in previous embodiment.

Referring to Figure 16, vehicle frame 10 includes a girder 15, and the both ends of girder 15 are mounted on preceding mounting base 13 and rear mounting base 14 upper end, so as to which girder and preceding mounting base 13 and rear mounting base 14 are enclosed for the above-mentioned of accommodating front and rear wheel assembly 30,40 Receiving space, in a folded configuration, girder 15 are located at the top of front and back wheel 32,42.

Embodiment five

It 17 only just elaborates below in conjunction with the accompanying drawings with difference in previous embodiment.

Referring to Figure 17, vehicle frame 10 includes a girder 15, and the both ends of girder 15 are mounted on preceding mounting base 13 and rear mounting base 14 upper end, the bottom surface of girder 15 offer the groove (not shown) connected with receiving space, in a folded configuration, front and back wheel 32nd, 42 top is folded into the groove so that the volume smaller after folding.

Embodiment six

It 18 only just elaborates below in conjunction with the accompanying drawings with difference in previous embodiment.

Referring to Figure 18, the folded bicycle 100 of the present embodiment further includes symmetrically arranged a pair of of handlebar assembly 50, each handlebar group Part 50 includes handle 51 and vertical 52, vertical 52 one end is hinged with tumbler 20, the inner end of the other end and handle 51 is hinged； There are the default spacing being pierced by a folded configuration for the upper part on the top of front-wheel 32 and trailing wheel 42 between two one or two vertical 52； In the deployed state, two handles 51 are vertically arranged when not turning to above-mentioned longitudinal center plane P-P substantially；During folding, two A handle 51 is rotated down respectively around it and vertical 52 articulated shaft until position parallel to each other, and two one or two vertical 52 around it It is rotated, and two groups of handlebar assemblies 50 is finally made to be close in front and back wheel 32,42 respectively with the hinged axial vehicle frame 10 of tumbler 20 Both sides, two handles 51 are positioned at the front end for vertical between 52 and girder 15 and its outer end being directed toward vehicle frame 10 at this time；It is such beneficial Effect is, in 15 structure of girder using equal length, vertical 52 length can be designed longer, ridden more comfortable.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Any modification, equivalent replacement or improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (10)

1. a kind of folded bicycle, including vehicle frame, be installed in rotation on the vehicle frame front end tumbler and can be with vehicle frame phase The front component and wheel assembly mutually folded, which is characterized in that the vehicle frame includes the front and rear being connected with each other；Front wheels Part includes front fork and the front-wheel that is arranged on the front fork, and the front fork is rotatably connected on the tumbler, and can be Make front-wheel folding during to the posterior rotation to the rear portion；The wheel assembly includes back vent and is arranged on the back vent Trailing wheel, the back vent is rotatably connected at the rear end of the vehicle frame, and can be folded to trailing wheel when being rotated to the forepart The forepart is simultaneously arranged at intervals with the front-wheel；The front fork has mutually avoided with wheel assembly in a folded configuration first to keep away Allow structure, the back vent has the second avoiding structure mutually avoided with front component in a folded configuration.

2. folded bicycle according to claim 1, which is characterized in that the vehicle frame has one for accommodating the front-wheel and institute State the receiving space of trailing wheel, the receiving space be divided into front space corresponding with the forepart and it is corresponding with the rear portion after Side space, the front-wheel are folded in a folded configuration in the rear space, and the trailing wheel is folded to institute in a folded configuration It states in front space.

3. folded bicycle according to claim 2, which is characterized in that the vehicle frame include preceding mounting base, rear mounting base and At least one girder of connection between, the tumbler are arranged in the preceding mounting base, and the back vent is rotationally It is connected to the rear mounting base；The longitudinal axis of the preceding mounting base and the longitudinal axis of the rear mounting base define a longitudinal direction jointly Median plane, at least one girder to the rear mounting base extension and deviate the longitudinal center plane from the preceding mounting base； The preceding mounting base, rear mounting base and girder are enclosed the receiving space.

4. folded bicycle according to claim 3, which is characterized in that be provided with the front-wheel on the girder when folding Part is provide with what the trailing wheel at least partly surrounded.

5. folded bicycle according to claim 1, which is characterized in that the vehicle frame includes preceding mounting base and rear mounting base, turns It is arranged in the preceding mounting base to part, the longitudinal axis of the preceding mounting base and the longitudinal axis of the rear mounting base define jointly One longitudinal center plane, the front fork are connected to the tumbler by the first articulated shaft, and the back vent is connected by the second articulated shaft It is connected to the rear mounting base；The axis of first articulated shaft perpendicular or parallel to longitudinal center plane, second articulated shaft Axis is perpendicular or parallel to longitudinal center plane.

6. folded bicycle according to claim 2, which is characterized in that the vehicle frame include preceding mounting base, rear mounting base and The girder of connection between, the tumbler are arranged in the preceding mounting base；The longitudinal axis of the preceding mounting base and exhibition The center of the trailing wheel under open state defines a longitudinal center plane jointly, and the receiving space is located at the one of the vehicle frame Side；The front fork is connected to the tumbler by the first articulated shaft, the extending direction of first articulated shaft with perpendicular to institute State and one first default angle formed between the direction of longitudinal center plane so that front-wheel in the deployed state the split of front-wheel with it is vertical It is overlapped to median plane；The back vent is connected to the rear mounting base, the extension side of second articulated shaft by the second articulated shaft To one second default angle is formed between the direction of the longitudinal center plane, so that trailing wheel trailing wheel in the deployed state Split overlapped with longitudinal center plane.

7. folded bicycle according to claim 1, which is characterized in that further include symmetrically arranged a pair of of handlebar assembly, each Handlebar assembly includes handle and standing, and described that vertical one end and the tumbler are hinged, the other end is interior with the handle End is hinged, and two handles are parallel to each other in a folded configuration, two one or two it is vertical between there are in a folded configuration for before described The default spacing that wheel and the trailing wheel part are pierced by, and can be around described the vertical vehicle opposite with the hinged place of the tumbler Frame rotates, and two handlebar assemblies is made to turn to the both sides of the front-wheel and the trailing wheel respectively in a folded configuration.

8. folded bicycle according to claim 1, which is characterized in that back vent branch is provided between the back vent and the vehicle frame Support member, one end of the back vent support element are articulated with the back vent, and the other end is movably connected on the vehicle frame；The back vent support The elastic component for the back vent support element being made to be swung to the back vent when folding is provided between part and the back vent；Back vent supports Part is sticked on back vent in a folded configuration.

9. folded bicycle according to claim 2, which is characterized in that the front fork includes a front support arm, is propped up before described Brace includes the first segment and second segment that bend each other, and first segment is connect with tumbler, and second segment is connect with front-wheel, and described first Section and the second segment form first avoiding structure；

Alternatively, the front fork includes spaced two front support arms, each front support arm includes what is bent each other First segment and second segment, first segment are connect with tumbler, and second segment is connect with front-wheel, the interval between two front support arms And the first segment and the second segment form first avoiding structure.

10. folded bicycle according to claim 1, which is characterized in that axis and two pedal assemblies are further included, in described Axis is installed in rotation on the back vent, and the pedal assembly of one of them includes adapter, pedal and crank, described Adapter is fixedly connected on the axis, and one end of the crank is connect with the pedal, and the other end is articulated with the adapter, The pedal is embedded in a folded configuration between the front-wheel and the trailing wheel.