CN207173647U - Folded bicycle - Google Patents

Abstract

The utility model embodiment proposes a kind of folded bicycle, including：Vehicle frame, including the front baffle and afterframe being oppositely arranged；Underframe assemblies, including the preceding underframe assemblies for being hinged between the front baffle and the afterframe and being hinged and rear underframe assemblies；Wheel folding component includes trailing wheel semiaxis bull stick, trailing wheel semiaxis, rotating tension bar, automatic pin component and rotation connection bar；One end of the trailing wheel semiaxis bull stick is pivotally connected underframe assemblies in the rear, and the other end is provided with the trailing wheel semiaxis, is set for trailing wheel；One end of the rotating tension bar is articulated in the rear underframe assemblies, and the other end is articulated in the trailing wheel semiaxis bull stick to drive the trailing wheel semiaxis bull stick folding.

Description

Folded bicycle

Technical field

The present invention relates to a kind of Folding trolley, more particularly to a kind of there is the essentially identical folded bicycle of wheelspan when in use.

Background technology

Transport goods, it is outgoing carry small children, garden furniture and during other situations, folded bicycle is widely used.Generally folding Folded car has a car body, pushing hands and four wheels.

Folded bicycle be it is multi-functional for pedestrian use while being a transport vehicle closely, it is sometimes necessary to will It is put into automobile.Traditional folded bicycle is not foldable, so carrying difficult.

As prior art, in August, the 1996 United States Patent (USP) US5 of 30 days is applied for, 957,482 propose a kind of foldable baby Youngster's car, the folding bed half-and-half that two of which is connected through the hinge is folded against, is stored for convenient, its removable track mould Block can be removed for storing.Store, such as apply so as to convenient in addition, there is some folded bicycles to be folded into small size A kind of folding folded bicycle is disclosed in the United States Patent (USP) 6,845,991 on March 17th, 2003, and it can be folded into similar hand The same size of suitcase module.

Present inventor Chen Zhao victory has invented a variety of different folded bicycles, includes the folding of the accessory with panel and umbrella Folded car.However, these prior arts depend on a folding framework, and the stock of a pair of angled to form these frameworks. But prior art is present that stock is not sufficiently strong, Collapsible rack can not be locked firmly, stability and robustness deficiency is asked Topic.

The content of the invention

To solve the problems, such as that prior art is present, the embodiment of the present invention proposes a kind of folded bicycle, including：

Vehicle frame, including the front baffle and afterframe being oppositely arranged；

Underframe assemblies, including the preceding underframe assemblies for being hinged between the front baffle and the afterframe and being hinged With rear underframe assemblies；

Wheel folding component includes trailing wheel semiaxis bull stick, trailing wheel semiaxis, rotating tension bar；

One end of the trailing wheel semiaxis bull stick is pivotally connected underframe assemblies in the rear, and the other end is provided with the trailing wheel half Axle, set for trailing wheel；One end of the rotating tension bar is articulated in the rear underframe assemblies, and the other end is articulated in the trailing wheel semiaxis Bull stick is to drive the trailing wheel semiaxis bull stick folding.

In an embodiment of folded bicycle of the present invention, the wheel folding component includes semiaxis bull stick hinge, the trailing wheel Semiaxis bull stick is set in the rear on underframe assemblies by the semiaxis bull stick hinge.

In an embodiment of folded bicycle of the present invention, the trailing wheel semiaxis bull stick forms parallelogram levers by the body of rod, with Keep trailing wheel semiaxis bull stick trailing wheel semiaxis described in rotation process parallel to the ground.

In an embodiment of folded bicycle of the present invention, the wheel folding component also includes Liang Zu pumping rods mechanism, each group The both ends of the pumping rod mechanism are pivotally connected setting underframe assemblies and the trailing wheel semiaxis bull stick in the rear respectively.

In an embodiment of folded bicycle of the present invention, the first pumping rod and second that the pumping rod mechanism includes mutually being socketed is taken out Bar, underframe assemblies after the first pumping rod connection is described, second pumping rod connects the trailing wheel semiaxis bull stick, when the chassis When component is in operating position, the pumping rod mechanism is compressed, when it is described state pumping rod mechanism chassis component and be in collapsed position when, The pumping rod mechanism is stretched.

In an embodiment of folded bicycle of the present invention, the wheel folding component also includes automatic pin component and rotation connection Bar, one end of the rotation connection bar be hinged to it is described after underframe assemblies, the other end is hinged to the automatic pin component, it is described from Move the folding of rear underframe assemblies described in pin component and stretch out, the folded bicycle after folding is stood.

In an embodiment of folded bicycle of the present invention, the folded bicycle also includes：

Main basket, including main basket structure before being arranged on above the preceding underframe assemblies and rear underframe assemblies and being hinged Part and rear main basket component；

Two groups of side wall assemblies, each group respectively include be hinged and at an angle rear chassis cross bar support and preceding bottom Frame cross bar supports, wherein the preceding chassis cross bar support is articulated with the front baffle, institute by major side wall forward portion connector State the support of rear chassis cross bar and the afterframe be articulated with by major side wall module back connector, it is described after the support of chassis cross bar with Preceding chassis cross bar support is articulated with chassis cross rod connector, and chassis cross bar is connected between described two chassis cross rod connectors, The chassis cross bar is located at the lower section of the underframe assemblies；

It is respectively articulated between the preceding chassis cross bar support and the front baffle and is provided with main basket front support, the rear bottom Frame cross bar, which supports to be respectively articulated between the afterframe, is provided with main basket rear support；

In an embodiment of folded bicycle of the present invention, the wheel folding component also includes latching device, the locking machine Structure is pivotally secured to the rotation connection bar, and clasp joint is horizontal in the chassis when the folded bicycle is located at operating position Bar, when the latching device has been pulled upwardly, the latching device departs from the chassis cross bar and drives the preceding underframe assemblies With rear underframe assemblies with respect to folding.

In an embodiment of folded bicycle of the present invention, side wall assemblies described in each group also include the auxiliary sidewall being hinged Module back connector and auxiliary sidewall forward portion connector, the auxiliary sidewall module back connector be articulated with it is described before Framework, the auxiliary sidewall forward portion connector are articulated with the afterframe.

In an embodiment of folded bicycle of the present invention, the folded bicycle also includes pushing hands component, the pushing hands member hinges In the afterframe, the pushing hands component also includes the pushing hands support upper area being hinged and pushing hands support lower area, The pushing hands support upper area is articulated with the pushing hands extension of the pushing hands component, and the pushing hands support lower area is articulated with Afterframe.

Folded bicycle proposed by the present invention, front wheels and rear wheels wheelspan is roughly the same at work so that the walking shape of folded bicycle State is stable, and in folding, the wheelspan of front-wheel or trailing wheel reduces, and one can be contained in another one so that structure obtains after folding Simplify.

Brief description of the drawings

Fig. 1 is the side view of folded bicycle.

Fig. 2 is the perspective view of folded bicycle isometric side angle degree when opening

Fig. 3 is perspective view of the folded bicycle when opening

The perspective view that Fig. 4, which is folded bicycle when opening, to be gone from the point of view of higher

Fig. 5 is side view of the folded bicycle when folding.

Fig. 6 is perspective view of the folded bicycle when folding.

The side view that Fig. 7 is folded bicycle when semi-folded.

The side view that Fig. 8 is folded bicycle when semi-folded.

Main element and label

Embodiment

The present invention proposes a kind of folded bicycle with lockable chassis.The folded bicycle, which can be opened to be in, uses position, It can also fold in reception position simultaneously.Above-mentioned lockable chassis can be folded up to realize storage.The folding of the present invention Folded car, which has, waits wheelspan doubling chassis, waits wheelspan doubling chassis, the chassis for the folded bicycle for referring to be formed with 4 wheels is in work The wheelspan of front and back wheel is equal when making position；The position of front and back wheel is compatible when in folding position.It is being folded over The distance between Cheng Zhong, trailing wheel (or front-wheel) can be tapered into, and when folding into extreme position, two trailing wheels (or front-wheel) can be by It is contained between two front-wheels (or trailing wheel).

Folded bicycle proposed by the present invention mainly includes such as lower component：Folding underframe assemblies 10, front baffle 40, afterframe 30th, major side wall component 20, auxiliary sidewall component 60, pushing hands component 50 and wheel folding component 100.Below in conjunction with different accompanying drawings Illustrate.

Folded bicycle has folding underframe assemblies 10.As illustrated in fig. 1 and 2, underframe assemblies 10 can relative folding by a pair Folded slab construction --- rear underframe assemblies 11 and preceding underframe assemblies 12 form, and the pair of slab construction may each be by steel pipe Weld the frame structure formed.When using welded still pipe, steel pipe can have square section, and the upper surface of the steel pipe (i.e. parallel to two faces on ground) it is plane with lower surface.

Above-mentioned " rear underframe assemblies 11 " and " preceding underframe assemblies 12 " are defined as：Handle 54 is utilized in user During (see Fig. 3) push-and-pull folded bicycle, rear underframe assemblies 11 are close to user, and preceding underframe assemblies 12 are away from user.But ability Field technique personnel can be clear and definite, comparatively it, is determined with the position of user that " preceding " and " rear ", which is, is not to fix not Become, do not form the limitation to technical scheme.

Afterwards underframe assemblies 11 with preceding underframe assemblies 12 hinged, the middle chassis joint 13 at middle chassis joint 13 It can rest on chassis cross bar 14, the height of chassis cross bar 14 is less than middle chassis joint 13, i.e. chassis cross bar 14 is from centre The lower section of chassis joint 13, opposite side is extended to from the side of folded bicycle.Middle chassis joint 13 is one of underframe assemblies 10 Point, it is connected to chassis cross bar 14, i.e. chassis cross bar 14 can mutually leave with underframe assemblies 10, can also contact with each other.

Middle chassis joint 13 can have lockable rotating shaft, and it can open more than 180 °.Exceed 180 ° opening When, the gravity of rear underframe assemblies 11 and preceding underframe assemblies 12 causes underframe assemblies 10 to deflect into the position of a locking.That is, rolling over When folded, rear underframe assemblies 11 and preceding underframe assemblies 12 relative to this it is lockable pivot, rear underframe assemblies 11 and preceding chassis The angle of plane where component 12 is gradually reduced so that underframe assemblies 10 enter folded state.

In addition to middle chassis joint 13 is connected to chassis cross bar 14 and is supported upwards by chassis cross bar 14, rear chassis group Part 11 or preceding underframe assemblies 12 can also be arranged on chassis cross bar 14 and be supported upwards by chassis cross bar 14.Alternatively, rear bottom Frame component 11, preceding underframe assemblies 12, middle chassis joint 13 and any contact area of the two of chassis cross bar 14 can have bullet Property processing, covering material or surface treatment, to improve switching performance.

Underframe assemblies 11 are articulated with rear chassis joint 15 afterwards, chassis joint 16 before preceding underframe assemblies 12 are articulated with.

Folded bicycle in the embodiment of the present invention also includes wheel folding component 100, as shown in Fig. 2 including：Semiaxis bull stick is cut with scissors Chain 101, trailing wheel semiaxis bull stick 102, trailing wheel semiaxis 103, rotating tension bar 105, pumping rod mechanism 106, automatic pin component 107, rotation Connecting rod 108, latching device 109.

On underframe assemblies 10 on appropriate location to the rear (rear ends of underframe assemblies 11 after such as), equipped with two and level Direction semiaxis bull stick hinge 101 at an acute angle, semiaxis bull stick hinge 101 are inclined hinge, upper equipped with the trailing wheel of left and right two half Axle bull stick 102, the trailing wheel semiaxis bull stick 102 are set also inclinedly, and the material of each trailing wheel semiaxis bull stick 102 is, for example, iron, It can be made up of a parallelogram, to keep trailing wheel semiaxis bull stick 102 in rotation process, the half of the wheel 104 of pivot joint half Axle 103 remains state parallel to the ground, and the trailing wheel for walking is housed on semiaxis 103, i.e., relative with front-wheel, close The wheel of pushing hands component side.

The rotation of trailing wheel semiaxis bull stick 102, it is by mounted in underframe assemblies 10 (such as opposed rear end of preceding underframe assemblies 12) On rotating tension bar 105 drive, keeping two extreme positions of trailing wheel semiaxis bull stick 102, i.e. operating position and folding Folded position, between underframe assemblies 10 and trailing wheel semiaxis bull stick 102, equipped with Liang Zu pumping rods mechanism 106, to keep trailing wheel semiaxis Two extreme positions of bull stick 102, that is, the most long position of pumping rod mechanism 106 and most short position, when underframe assemblies 10 are in During operating position, the length of pumping rod mechanism 106 is most short, to support underframe component 10, the bearing capacity of enhancing underframe assemblies 10 (for example, reaching more than 100 kilograms among actual tests), automatic pin component 107, automatic pin group are housed on underframe assemblies 10 Part 107 and is in two extreme positions with the motion of underframe assemblies 10, when underframe assemblies 10 are in operating position, automatic pin Component 107 is packed up, and does not influence the walking of vehicle, and when underframe assemblies 10 are in folding position, automatic pin component stretches out, and makes folding Vehicle afterwards oneself can stand.

In one embodiment, one end of above-mentioned rotation connection bar 108 is hinged to underframe assemblies 10, such as after being Underframe assemblies 11 or preceding underframe assemblies 12, the other end are hinged to automatic pin component 107.Two above-mentioned rotating tension bars 105 are cut with scissors It is connected on rotation connection bar 108.Above-mentioned latching device 109 is pivotally secured to the rotation connection bar 108, and in the folding Clasp joint is in the chassis cross bar 14 when operating position for folded parking stall, when the latching device 109 has been pulled upwardly, the locking machine Structure 109 departs from the chassis cross bar 14, and drives the preceding underframe assemblies 12 and rear underframe assemblies 11 with respect to folding.

For rear underframe assemblies 11 and preceding underframe assemblies 12, multiple chassis member cross bars 19 can be soldered to be had to be formed The framework of planar structure.The support underframe component 10 of chassis cross bar 14, but chassis cross bar 14 is not one of underframe assemblies 10 Point.On the contrary, chassis cross bar 14 is a part for major side wall component 20.

As shown in Figure 3 and Figure 4, major side wall component 20 is connected to chassis cross bar 14 using chassis cross rod connector 21.A pair Chassis cross bar support 22 diagonally extends from chassis cross rod connector 21 after major side wall component, and is connected to a pair of masters Wall component rear wall connector rear wall connector, the major side wall component rear wall connector include the left back side wall of major side wall component Connector 24 and major side wall component right lateral side wall connector 26.The left back side wall connector 24 of above-mentioned major side wall component and major side wall group Part right lateral side wall connector 26 for example, connecting rod, such as connector of chassis cross rod connector 21, but be not limited thereto.

Similarly, chassis cross bar support 23 is connected to chassis cross rod connector 21 and extends to one before a pair of major side wall components To major side wall component front side wall connector, the major side wall component front side wall connector includes the left front side wall connector of major side wall component 25 and major side wall component forward right side wall connector 27.At the rear portion of folded bicycle, the pair of major side wall component rear wall connector Extend to rear basket assembly 28.Basket assembly fabric basketry (not shown) after basket assembly 28 can accommodate afterwards, for store things.It is optional Ground, the pin that as a rule rear basket assembly fabric basketry does not touch below support extension cross bar 18.

Basket assembly support 29 is articulated with rear basket assembly 28 afterwards.Afterwards basket assembly 28 be rigidly connected to and and preferably with institute A pair of major side wall component rear wall connectors 24,26 are stated to be integrally formed.Basket assembly support 29 is preferably with such as riveting after the pair of The outer surface that the mode being pivotally connected is connected to rear basket assembly 28 such as connect.Basket assembly support 29 can be formed irony strip afterwards Shape, it can increase torsional property by way of punching press or molding.

Basket assembly 28 is arranged on by way of being pivotally connected on afterframe 30 afterwards.As shown in Figure 3 to Figure 4, afterframe 30 Framework with generally rectangular structure, including a pair of horizontal members and the vertical member of a pair of connections.It is preferred that the energy of afterframe 30 Enough it is integrally formed by the tubular metallic member of one or two bending.Last, set on a pair of afterframe side vertical members 39 Multiple joints are equipped with, for being connected to side wall and underframe assemblies 10.

Afterframe 30 has left back lower frame joint 31 and right afterframe lower connector 32, and the two is pivotally connected to respectively To rear underframe assemblies 11 and it is pivotally connected to auxiliary sidewall module back connector 61 simultaneously.Afterframe 30 also has left back frame Frame upper connection 33 and right afterframe upper connection 34.Left back framework upper joint 33 is pivotally connected the left back side wall connection of major side wall component 24 and it is connected between major side wall component left back side wall connection 24 and rear basket assembly 28.Similarly, right afterframe upper connection 34 Pivot joint major side wall component right lateral side wall connection 26 is simultaneously connected between major side wall component right lateral side wall connection 26 and rear basket assembly 28. Consequently, it is possible to when the pair of major side wall component rear wall connector pivots downwards, after rear basket assembly 28 is pivoted up.Basket afterwards The weight of the component 28 the pair of major side wall component rear wall connector of locking at a certain angle, i.e., it is main in non-locking state The side wall connection 24 left back with major side wall component of chassis cross bar support 22 is no longer parallel after side wall assemblies.

Afterframe 30 also has right afterframe pushing hands joint 35 and left back framework pushing hands joint 36, and the two, which is connected to, pushes away Hand.The joint of afterframe 30 can be riveted on the pair of afterframe side vertical member 39.

Front baffle 40 has front baffle lower left quarter joint 41 and front baffle right lower quadrant joint 42, before the two is pivotally connected to Underframe assemblies 12 and auxiliary sidewall forward portion connector 62.It is left front that front baffle upper left pivot fitting 43 is articulated in major side wall component Major side wall connector 25.Front baffle upper right quarter joint 44 is articulated in major side wall connector 27 before the major side wall component right side.

Front baffle 40 can have an identical structure with afterframe 30, including front baffle horizontal member 45 and positioned at it Under front baffle lower horizontal member 46.Front baffle left vertical component 47 and front baffle Right vertical component 48 are respectively connecting to Front baffle horizontal member 45 and front baffle lower horizontal member 46.

Multiple pivot fittings are provided with the pair of vertical member.Understood such as Fig. 5 and 6 and with reference to other pictures, it is preceding The pushing hands component 50 stated is articulated in afterframe 30.Pushing hands component 50 is included from right afterframe pushing hands joint 35 and left back framework pushing hands The pushing hands extension 51 that joint 36 extends.Pushing hands component 50 preferably includes pushing hands shank body 55 and through the pair of pushing hands of connection The pushing hands of extension 51 runs through pillar 56.Left pushing hands joint 53 and right pushing hands joint 54 can be plastic member, and it includes being used for The sleeve of the pair of pushing hands extension 51 is housed, the pair of pushing hands extension 51 is combined with pushing hands shank body 55.

For pushing hands component 50 by pushing hands supports support, pushing hands support member includes pushing hands support upper area 57 and pushing hands support Lower area 58.Pushing hands support upper area 57 is connected to pushing hands support lower area 58 by pushing hands supported joint 59.Pushing hands branch Support joint 59 forms a kind of joint (elbow joint) form using hinged joint, and the knuckle joint is locked in a special angle, In this angle, pushing hands supports upper area 57 to rotate to one from pushing hands support lower area 58 and is near or above 180 degree Position.Pushing hands support lower area is articulated in afterframe 30.Pushing hands supported joint 59 can equally be articulated in rear basket assembly branch Support 29.

There is auxiliary sidewall component 60 the auxiliary sidewall module back for being connected to auxiliary sidewall forward portion connector 62 to connect Fitting 61.Auxiliary sidewall module back connector 61 is pivotally connected to auxiliary sidewall module back connector joint 63.Similarly, Auxiliary sidewall forward portion connector 62 is pivotally connected to auxiliary sidewall forward portion connector joint 64.After auxiliary sidewall component Portion's connector joint 63 can be separated with auxiliary sidewall forward portion connector joint 64.

The formation of major side wall component and V-arrangement are simultaneously connected to auxiliary sidewall component.Auxiliary sidewall module back connector 61 has A pair of auxiliary sidewall module back cross-over joints 65 for being connected to chassis cross bar support 22 after major side wall component.Similarly, aid in Side wall assemblies front connection pieces 62 have a pair of auxiliary sidewall forward portions for being connected to that chassis cross bar supports before major side wall component Cross-over joint 66.

As shown in Figure 8, major side wall component and auxiliary sidewall component preferably support main basket 70.Main basket 70 is included in main basket Body center contact 79 is articulated with the rear main basket component 71 of preceding main basket component 72.Main basket center contact 79 is defined in 180 degree. Main basket component 71 has main basket with right support 74 after left support 73 after main basket and main basket, preceding main basket component 72 afterwards Right support 76 before preceding left support 75 and main basket.Main basket support is pivotally connected to main basket support upper connection 77 and main basket Support lower connector 78.Main basket support lower connector 78 is arranged on major side wall component 20 and main basket support upper connection 77 is set Put in main basket 70.The main basket of right support 74 supports lower connector 78 less than auxiliary after left support 73 and main basket after main basket The position of side wall assemblies posterior cruciate joint 65 is helped to be articulated in chassis cross bar support after major side wall component.Left support 75 before main basket Lower connector 78 is supported in the position less than auxiliary sidewall forward portion cross-over joint 66 with the main basket of right support 76 before main basket Put chassis cross bar before being articulated in major side wall component and support 23.

It is horizontal that chassis cross bar support 22 after major side wall component is connected to chassis before major side wall component by major side wall center contact 91 Bar support 23.Major side wall component left back side wall connection 24 connected with major side wall component right lateral side wall 26 be articulated in major side wall component after Chassis cross bar support 22.The left front side wall of major side wall component is connected 25 and major side wall component forward right side wall by major side wall front portion joint 93 Connection 27 is connected to chassis cross bar support 23 before the pair of major side wall component.

After said structure is described, these figures show that a kind of keep folded bicycle to provide multiple lockings in the deployed position The structural scheme of mechanism of joint.

Afterframe 30 forms a kind of chassis cross bar support 22, major side wall component rear wall connector after having major side wall component 24/26th, the four-bar mechanism of afterframe side vertical member 39 and auxiliary sidewall module back connector 61.Similarly, front baffle 40 Formed a kind of including front rail support 23, major side wall component front side wall connector 25/27, front baffle vertical member and auxiliary sidewall The four-bar mechanism of forward portion connector 62.Four-bar mechanism is located at front side and the rear side of folded bicycle, and and is connected to centre Four-bar mechanism, the four-bar mechanism of the centre is by auxiliary sidewall module back connector 61 connecting the two and auxiliary sidewall component The connection of chassis cross bar support 23 is formed before chassis cross bar supports 22 and major side wall component after front connection pieces 62, major side wall component. Therefore, the four-bar mechanism of three connections realizes that bottom locks in expanded position.

In operation, main locking mechanism is preferably to abut the position of chassis cross bar 14 in middle chassis joint 13, main Three four-bar mechanisms of side wall assemblies and auxiliary sidewall component form second locking mechanism, for ensureing the lock of main locking mechanism It is fixed.In addition, foldable pushing hands component 50 is be used to be locked and be unlocked using hinged joint (i.e. pushing hands supported joint 59) the 3 Locking mechanism, when pushing hands supported joint 59 is in latched position, anthropoid locked knee is the same, and the downward weight of pushing hands component 50 is protected The rear basket assembly 28 is held, sequentially keeps major side wall component rear wall connector 24,26, keeps the major side wall group of major side wall component 20 Chassis cross bar support 22 after part.Therefore, main locking mechanism is fixed by auxiliary locking mechanism, and auxiliary locking mechanism is by the 3rd locking machine Structure is fixed.

Alternatively, wheel can pivot, and can have wheel shaft 94.Wheel shaft 94 preferably has wheel shaft lock 95, for needing Will when lock wheel, prevent from rotating.

In summary, the present invention proposes a kind of folded bicycle, at least has the following advantages that：

First, folded bicycle proposed by the present invention it is solid it is reliable, firm locking can be realized, have higher stability and Robustness.

Second, folding car structure proposed by the present invention is exquisite, opens and fold stood space ratio, and about 1:4, Neng Gouyi Self-locking is realized by gravity.

3rd, folded bicycle proposed by the present invention, front wheels and rear wheels wheelspan is roughly the same at work so that the row of folded bicycle Walk in stable condition, in folding, the wheelspan of front-wheel or trailing wheel is reduced, and one can be contained in another one so that structure after folding Simplified.

Claims (10)

1. A kind of 1. folded bicycle, it is characterised in that including：

   Vehicle frame, including the front baffle (40) and afterframe (30) being oppositely arranged；

   Underframe assemblies, including it is hinged on the preceding chassis between the front baffle (40) and the afterframe (30) and being hinged Component (12) and rear underframe assemblies (11)；

   Wheel folding component (100) includes trailing wheel semiaxis bull stick (102), trailing wheel semiaxis (103), rotating tension bar (105), automatic pin Component (107) and rotation connection bar (108)；

   One end of the trailing wheel semiaxis bull stick (102) is pivotally connected underframe assemblies (11) in the rear, and the other end is provided with described Trailing wheel semiaxis (103), set for trailing wheel；One end of the rotating tension bar (105) is articulated in the rear underframe assemblies (11), another End is articulated in the trailing wheel semiaxis bull stick (102) to drive trailing wheel semiaxis bull stick (102) folding.
2. 2. folded bicycle as claimed in claim 1, it is characterised in that the wheel folding component (100) is cut with scissors including semiaxis bull stick Chain (101), the trailing wheel semiaxis bull stick (102) are set with being inclined relative to horizontal by the semiaxis bull stick hinge (101) In the rear on underframe assemblies (11).
3. 3. folded bicycle as claimed in claim 1, it is characterised in that the trailing wheel semiaxis bull stick (102) is made up of parallel the body of rod Quadrangle, to keep the trailing wheel semiaxis bull stick (102) trailing wheel semiaxis (103) described in rotation process parallel to the ground.
4. 4. folded bicycle as claimed in claim 1, it is characterised in that the wheel folding component (100) also includes two groups of pumping rods Mechanism (106), the both ends of pumping rod mechanism (106) described in each group are pivotally connected setting underframe assemblies (11) and described in the rear respectively Trailing wheel semiaxis bull stick (102).
5. 5. folded bicycle as claimed in claim 4, it is characterised in that the pumping rod mechanism (106) includes first be mutually socketed Pumping rod and the second pumping rod, underframe assemblies (11) after the first pumping rod connection is described, second pumping rod connect the trailing wheel half Axle bull stick (102), when the underframe assemblies (10) are in operating position, the pumping rod mechanism (106) is compressed, and is taken out when described When linkage (106) underframe assemblies (10) are in collapsed position, the pumping rod mechanism (106) is stretched.
6. 6. folded bicycle as claimed in claim 1, it is characterised in that the wheel folding component also includes automatic pin component (107) and bar (108) is rotatablely connected, one end of the rotation connection bar (108) is hinged to the rear underframe assemblies (11), another End is hinged to the automatic pin component (107), the folding of underframe assemblies (11) after the automatic pin component (107) is described and stretch Go out, the folded bicycle after folding is stood.
7. 7. folded bicycle as claimed in claim 1, it is characterised in that the folded bicycle also includes：

   Main basket, including it is arranged on the preceding main basket above the preceding underframe assemblies (12) and rear underframe assemblies (11) and being hinged Body component (72) and rear main basket component (71)；

   Two groups of side wall assemblies, each group includes being hinged respectively and rear chassis cross bar at an angle supports (22) and preceding bottom Frame cross bar supports (23), wherein the preceding chassis cross bar support (23) is articulated with institute by major side wall forward portion connector (25) Front baffle (40) is stated, the rear chassis cross bar support (22) is articulated with the after-frame by major side wall module back connector (24) Frame (30), the rear chassis cross bar support (22) and preceding chassis cross bar support (23) are articulated with chassis cross rod connector (21), institute It is two to state chassis cross rod connector (21), and chassis cross bar (14) is connected between described two chassis cross rod connectors (21), The chassis cross bar (14) is located at the lower section of the underframe assemblies；

   It is respectively articulated between the preceding chassis cross bar support (23) and the front baffle (40) and is provided with main basket front support (75/ 76), it is respectively articulated between the rear chassis cross bar support (22) and the afterframe (30) and is provided with main basket rear support (73/ 74)。
8. 8. folded bicycle as claimed in claim 7, it is characterised in that the wheel folding component (100) also includes latching device (109), the latching device (109) is pivotally secured to the rotation connection bar (108), and is located at work in the folded bicycle Make during position clasp joint in the chassis cross bar (14), when the latching device (109) has been pulled upwardly, the latching device (109) depart from the chassis cross bar (14) and drive the preceding underframe assemblies (12) and rear underframe assemblies (11) with respect to folding.
9. 9. folded bicycle as claimed in claim 8, it is characterised in that side wall assemblies described in each group are also auxiliary including being hinged Help side wall assemblies rear attachment (61) and auxiliary sidewall forward portion connector (62), the auxiliary sidewall module back connection Part (61) is articulated with the front baffle (40), and the auxiliary sidewall forward portion connector (62) is articulated with the afterframe (30)。
10. 10. folded bicycle as claimed in claim 8, it is characterised in that the folded bicycle also includes pushing hands component (50), described to push away Hand component (50) is articulated with the afterframe (30), and the pushing hands component also includes the pushing hands support upper area being hinged (57) and pushing hands support lower area (58), the pushing hands support upper area (57) are articulated with pushing away for pushing hands component (50) Hand extension (51), the pushing hands support lower area (58) are articulated with afterframe (30).