CN105711720A - Foldable bicycle - Google Patents

Abstract

The invention discloses a folding bicycle, which comprises a main frame, a front fork of a front wheel, a front wheel rotatably fixed on the front fork of the front wheel, a rear fork of the rear wheel, and a rear fork of the rear wheel rotatably fixed on the rear fork of the rear wheel. Rear wheel, front fork fastening device, rear fork fastening device, the oblique rotation mechanism fixed on the main frame of the vehicle, the handlebar support member arranged on the oblique rotation mechanism, and slidably fixed on the The handlebar assembly of the handlebar support. The front wheel, the rear wheel, and the handlebar body are rotated and attached to the main frame of the vehicle and are in tight contact with the ground at the same time, so that the folded vehicle body is easy to stand, and the reliability is high. At the same time, the area ratio of the wheels is Large, the parts of the car body fit together more tightly and are stored well, occupying less space, and are easy to store and carry.

Description

foldable bicycle

technical field

The invention relates to the technical field of bicycles, in particular to a folding bicycle.

Background technique

Folding bicycles come out as a new member of the bicycle family, and are loved and widely used by more and more people because of their advantages such as convenient riding, the ability to reduce the volume of the entire vehicle through the folding principle, and easy portability and handling. At present, there are various types of folding bicycles on the market, which meet the requirements of light weight, small size, and convenient operation to a certain extent. Fold and close the other parts. The folding mechanism of the folding bicycles currently on the market is relatively complicated, and the folding operation steps are relatively cumbersome, and the body after folding is relatively large, the body is not tightly fitted, and the storage effect of the parts of the body is not good, especially the wheel area. The proportion is too small, causing the car body to take up too much space, which is not easy to carry or transport.

Contents of the invention

Based on this, the present invention provides a foldable bicycle, which overcomes the defects of the prior art, makes the folded and folded vehicle body easy to stand, and at the same time has a large proportion of the wheel area, and the parts of the vehicle body are more tightly bonded and occupy less space. space, easy to store and carry.

The purpose of the present invention is achieved like this:

A folding bicycle, comprising a main frame, a front fork of a front wheel, a front wheel rotatably fixed on the front fork of the front wheel, a rear fork of a rear wheel, a rear wheel and a front fork rotatably fixed on the rear fork of the rear wheel, A fork buckling device, a rear fork buckling device, an oblique rotation mechanism fixed on the main frame, a handlebar support set on the oblique rotation mechanism, and a handlebar support slidably fixed on the handlebar piece of handlebar assembly;

The front fork fastening device includes a first connecting seat arranged on the main frame, and a second connecting seat arranged on the front fork of the front wheel and connected to the first connecting seat in rotation. The fork buckling device includes a buckle seat arranged on the main frame, and a buckle piece arranged on the rear fork of the rear wheel and connected with the buckle seat. The handlebar support includes a locking mechanism. The handlebar assembly includes a handlebar body, an anti-rotation part arranged on the handlebar body, and a positioning piece fixed on the handlebar body. When the folding bicycle is in a folded and assembled state, the second connecting seat Rotating relative to the first connecting seat, the front wheel is rotatably attached to the main frame, the buckle is separated from the buckle seat, and the rear wheel is rotatably attached to the main frame and connected to the main frame. The front wheels are buckled, and the front wheels and the rear wheels are parallel to each other and their axes coincide, the handlebar body slides relative to the handlebar support, and the positioning member is clamped with the locking mechanism. The handlebar support is rotated and attached to the main frame of the vehicle through the oblique rotation mechanism, and the front wheel, the rear wheel and the handlebar body are all in tight contact with the ground.

The technical scheme is described further below:

Further, it also includes a handlebar buckling device, the handlebar buckling device includes a fixing seat arranged on the main frame, and a buckling piece arranged on the handlebar support member, the handlebar assembly When being rotated and attached to the main frame of the vehicle, the fastening member cooperates with the fixing seat to engage.

Further, the fixing base includes a snap-in slot, and the snap-in slot includes an inserting notch and a limit notch that communicate with each other, and the buckle is extended from the inserting notch and snapped into the The limit notch.

Further, the width of the limiting notch is smaller than the maximum section length of the fastener.

Further, it also includes a wheel buckling device, and the wheel buckling device includes a card seat set on the hub of the front wheel or the rear wheel, and a seat set on the hub of the rear wheel or the front wheel The clamping part, and the clamping seat cooperates with the clamping part to clamp.

Further, the oblique rotation mechanism includes a rotating shaft, a first swivel seat arranged on the main frame, and a second swivel seat arranged on the handlebar support, the center line of the rotating shaft is in line with the The vehicle main frame is arranged obliquely, and the first swivel base is rotatably fixed to the second swivel base through the rotating shaft.

Further, the front fork buckling device also includes an anti-rotation piece, an adjustment locking piece, and a locking piece set on the adjustment locking piece, and the anti-rotation piece is fixed on the locking piece and is connected to the locking piece. The second connection seat is connected, the second connection seat is provided with a first card slot, the first connection seat is provided with a second card slot, and the clamping member is connected with the first card slot and the first card slot. Both card slots are clamped and fixed.

Further, the front fork buckling device also includes a ejector fixed on the adjustment locking member, the ejector is provided with a first clipping flange, and the clip is provided with a second clip The clamping member is rotatably fixed to the ejecting member, and the first clamping flange is engaged with the second clamping flange.

Further, it also includes a wheel shaft support mechanism, the wheel shaft support mechanism includes a wheel seat fixed on the rear fork of the rear wheel, a wheel shaft embedded in the wheel seat, and used for fixing the wheel shaft to the wheel seat The locking piece inside, the rolling mechanism set on the wheel shaft, and at least one anti-bending piece for preventing the wheel shaft from bending, the wheel base is provided with a fixed frame, and the wheel shaft has an assembly shaft bracket, Both the fixing frame and the assembly shaft frame are provided with at least one assembly hole in a corresponding position, and the anti-bending piece is passed through the assembly hole.

Further, the rear fork engaging device also includes a rotating mechanism for the rear fork of the rear wheel to rotate relative to the main frame. It is 1.5 to 2.5 degrees.

The beneficial effects of the present invention are:

The above-mentioned folding bicycle can conveniently and quickly realize the rotation of the front wheel, the rear wheel and the handlebar body when the vehicle is folded through the front fork buckling device, the rear fork buckling device and the oblique rotation mechanism. It is attached to the main frame of the car and is in tight contact with the ground at the same time, so that the folded car body is easy to stand, and the reliability is high. At the same time, the wheel area accounts for a large proportion, and the parts of the car body are more tightly fitted and stored well, occupying less space. Smaller space, easy to store and carry.

Description of drawings

Fig. 1 is the top view of the folding bicycle described in the embodiment of the present invention;

Fig. 2 is a structural schematic diagram of the folding bicycle described in the embodiment of the present invention;

Fig. 3 is a schematic diagram of the folding state of the folding bicycle according to the embodiment of the present invention;

Fig. 4 is a side view of the folding bicycle described in the embodiment of the present invention;

Fig. 5 is a top view of the folded state of the foldable bicycle according to the embodiment of the present invention;

Fig. 6 is a partial enlarged view of B of the foldable bicycle according to the embodiment of the present invention;

Fig. 7 is a C-C sectional view at A of the foldable bicycle according to the embodiment of the present invention;

Fig. 8 is a structural schematic diagram of the axle support mechanism of the foldable bicycle according to the embodiment of the present invention;

Fig. 9 is a schematic diagram of the fastening state of the front wheel and the rear wheel of the foldable bicycle according to the embodiment of the present invention.

Explanation of reference signs:

100, car main frame, 110, oblique rotation mechanism, 112, rotating shaft, 114, first swivel seat, 116, second swivel seat, 120, handlebar support member, 121, locking mechanism, 130, handlebar assembly, 131 , handlebar body, 132, anti-rotation part, 133, positioning member, 134, positioning slider, 135, locking adjustment member, 200, front wheel front fork, 210, front wheel, 300, rear wheel rear fork, 310, Rear wheel, 400, front fork fastening device, 410, first connecting seat, 412, second card slot, 420, second connecting seat, 422, first card slot, 430, anti-rotation piece, 440, adjustment and locking Parts, 450, clamping parts, 460, ejector parts, 500, rear fork fastening device, 510, buckle seat, 520, fastening part, 530, rotating mechanism, 600, handlebar fastening device, 620, fixed seat , 622, clamping groove, 624, inserting notch, 626, limit notch, 640, fastening piece, 700, wheel fastening device, 720, card seat, 740, fastening piece, 800, axle support mechanism , 810, wheel seat, 812, fixed frame, 820, wheel axle, 822, assembly shaft frame, 830, locking member, 840, rolling mechanism, 850, anti-bending member, 860, assembly hole.

detailed description

Embodiments of the present invention are described in detail below:

As shown in Figures 1 to 3, a folding bicycle includes a main frame 100, a front wheel front fork 200 and a front wheel 210 rotatably fixed on the front wheel front fork 200, a rear wheel rear fork 300 and a rotatable The rear wheel 310 fixed on the rear wheel rear fork 300, the front fork fastening device 400, the rear fork fastening device 500, the oblique rotation mechanism 110 fixed on the main frame 100, are arranged on the oblique a handlebar support 120 on the rotating mechanism 110, and a handlebar assembly 130 slidably fixed to the handlebar support 120;

The front fork fastening device 400 includes a first connecting seat 410 arranged on the main frame 100 , and a second connecting seat 410 arranged on the front wheel front fork 200 and rotatably connected with the first connecting seat 410 . seat 420, the rear fork fastening device 500 includes a buckle seat 510 arranged on the main frame 100, and a fastening piece 520 arranged on the rear wheel rear fork 300 and connected with the buckle seat 510, The handlebar support 120 includes a locking mechanism 121, the handlebar assembly 130 includes a handlebar body 131, an anti-rotation portion 132 disposed on the handlebar body 131, and a handlebar body 131 fixed on the handlebar body 131. When the foldable bicycle is in the folded and assembled state, the second connection seat 420 rotates relative to the first connection seat 410, the front wheel 210 is rotated and attached to the main frame 100, and the buckle The part 520 is separated from the buckle seat 510, the rear wheel 310 is rotatably attached to the main frame 100 and fastened with the front wheel 210, and the front wheel 210 and the rear wheel 310 are parallel to each other and Center coincides, the handlebar body 131 slides relative to the handlebar support 120, the positioning member 133 is clamped with the locking mechanism 121, and the handlebar support 120 is rotated by the tilting rotation mechanism 110 Attached to the main frame 100 , the front wheel 210 , the rear wheel 310 and the handlebar body 131 are in tight contact with the ground.

Wherein, through the front fork engaging device 400, the rear fork engaging device 500, and the oblique rotation mechanism 110, the front wheel 210, the rear wheel 310, and the The handlebar body 131 is rotated and attached to the main frame 100 of the vehicle and is in tight contact with the ground at the same time, so that the folded vehicle body can stand up easily, and the reliability is high. At the same time, the proportion of the wheel area is large, and the components of the vehicle body are more tightly fitted And it is well collected, takes up less space, and is easy to store and carry.

When the above-mentioned folding bicycle needs to be used for normal riding, it is only necessary to rotate and unfold the front wheel front fork 200 through the pin shaft mechanism, so that the first connecting seat 410 and the second connecting seat 420 are spliced and buckled together, and the The rear wheel rear fork 300 is rotated and unfolded by the pin shaft mechanism, so that the buckle 520 is connected with the buckle seat 510, and finally the handlebar body 131 is rotated back to the position by the oblique rotation mechanism 110, standing on the Above the main frame 100, at this time, the anti-rotation part 132 is connected with the locking mechanism 121 to realize the positioning of the handlebar body 131, so that the unfolding operation can be completed, so that people can ride and use it conveniently. The above deployment method is easy to operate, saves time and effort, and the connection of the car body is stable and high in reliability.

In this embodiment, preferably, the front wheel 210 and the rear wheel 310 are folded and fastened to each other, parallel and coincident with their axes, and the handlebar body 131 is also attached to the main frame 100, and The vehicle main frame 100 is arranged in parallel, so that the volume of the folded vehicle body can be made more compact and occupy less space.

In addition, the handlebar body 131 is in contact with the ground support after being folded, and the stable support of the handlebar body 131 is realized through the clamping structure of the locking mechanism 121 and the positioning member 133 . Of course, according to different topography, different positions of the positioning member 133 on the handlebar body 131 can be adjusted, so as to obtain different support lengths of the handlebar body 131, so as to realize different topography positions such as depressions and bulges. Stand firmly, thereby improving the reliability and flexibility of the car body.

As shown in FIG. 7 , further, the front fork buckling device 400 further includes a ejector 460 fixed on the adjustment locking member 440 , and the ejector 460 is provided with a first locking flange, The clamping member 450 is provided with a second clamping flange, the clamping member 450 is rotatably fixed to the ejector 460, and the first clamping flange and the second clamping protrusion The edge is snapped together.

The adjusting locking member 440 is provided with an adjusting handle, when the clamping member 450 moves together with the adjusting locking member 440 , specifically through the ejector mounted on the adjusting locking member 440 The ejection function of the member 460 is provided by the first clamping flange of the ejecting member 460 and the second clamping flange of the clamping member 450, thereby providing the clamping The locking member 450 is driven to move together with the adjusting locking member 440, and when fastening, the clamping member 450 is moved through the resisting action of the adjusting handle. The above-mentioned structure design is simple and ingenious, and works reliably.

In addition, the handlebar assembly 130 further includes an anti-rotation portion 132 , and the anti-rotation portion 132 includes a plurality of bar-shaped protrusions arranged circumferentially along the extending direction of the handlebar body 131 . Preferably in this embodiment, the plurality of strip-shaped protrusions can be a tooth-shaped structure with a triangular or semicircular cross-section, and it is ensured that the plurality of strip-shaped protrusions have A certain length, its function is that when it is connected with the locking mechanism 121, the tooth structure can prevent the handlebar body 131 from rotating relative to the handlebar support 120, and improve the handlebar body 131 assembly stability.

In a preferred embodiment, the handlebar assembly 130 further includes a positioning member 133, the positioning member 133 includes a positioning slider 134 and a locking adjustment member 135, the positioning slider 134 is provided with a through hole, the The locking adjusting member 135 passes through the through hole and is pressed against the handlebar body 131 . The positioning member 133 includes a positioning slider 134 and a locking adjustment member 135, the positioning slider 134 is provided with a through hole, and the locking adjustment member 135 is passed through the through hole and connected to the handlebar body 131 Press tight. Wherein, the positioning slider 134 can slide freely on the handlebar body 131, and then is locked and fixed by the locking adjusting member 135, and its function is not only to the handlebar body when it is folded and folded. 131 plays a positioning role to ensure that it is stable after folding. At the same time, the height of the handlebar body 131 after folding and folding can be adjusted by adjusting the position of the positioning slider 134 on the handlebar body 131, so that It can touch the ground, thereby playing an auxiliary support role for the entire car body.

As shown in FIG. 2 , in addition, the rear fork fastening device 500 also includes a rotation mechanism 530 for the rear wheel rear fork 300 to rotate relative to the main frame 100 , and the rotation centerline of the rotation mechanism 530 is in line with the The inclination angle of the axis of the rear wheel 310 ranges from 1.5 to 2.5 degrees. Limiting the inclination angle range between the rotation center line of the rotation mechanism 530 and the axis of the rear wheel 310 to 1.5-2.5 degrees can not only realize the turning of the rear wheel 310 to the direction of the main frame 100, but also It can ensure that the angle of deflection will not be too large, resulting in too large width of the folded and folded car body and taking up too much space.

Further, as shown in Fig. 4 and Fig. 5, the above-mentioned folding bicycle also includes a handlebar buckling device 600, and the handlebar buckling device 600 includes a fixing seat 620 arranged on the main frame 100, and a fixing seat 620 arranged on the The fastening member 640 on the handlebar support member 120 , when the handlebar assembly 130 is rotated and attached to the main frame 100 , the fastening member 640 is snapped together with the fixing seat 620 . When the foldable bicycle is folded and folded, the handlebar assembly 130 is rotated obliquely toward the main frame 100 through the oblique rotation mechanism 110 and attached, and then the handlebar assembly 130 is arranged on the handlebar assembly 130 The buckle 520 is engaged with the fixing seat 620 provided on the vehicle main frame 100, so that the handlebar of the folding bicycle can be reliably fixed, avoiding easy looseness, which is not conducive to lifting, and collision with the vehicle body at the same time , Not only will it produce noise, but it will also cause scratches and other scars due to impact, which will affect the appearance and life of the vehicle.

As shown in FIG. 6 , the fixing base 620 includes a snap-in slot 622 , and the snap-in slot 622 includes an inserting notch 624 and a limiting notch 626 that communicate with each other. The notch 624 extends into and engages with the limiting notch 626 . Wherein, when the fastening member 520 is fastened and engaged with the engaging groove 622, it is firstly inserted from the inserting notch 624, and then slides to the depth of the engaging groove 622 and engages in the engaging groove 622. The limiting notch 626 is used to prevent the engaging member 450 from coming out. Preferably, the opening of the inserting notch 624 is provided with rounded corners, which can make the clamping member 450 snap in more smoothly and save effort. In addition, further, the width of the limiting notch 626 is smaller than the maximum cross-sectional length of the fastening member 520 . The width of the limiting notch 626 is defined to be smaller than the maximum section length of the fastening member 520, specifically less than the maximum length of the fastening member 450, so that the fastening member 520 can be securely snapped into place. In the clamping groove 622 , it is prevented from coming out under force, so that the function of the fastening structure becomes invalid.

Please refer to Fig. 2, further, the above-mentioned foldable bicycle also includes a wheel fastening device 700, and the wheel fastening device 700 includes a card seat 720 arranged on the hub of the front wheel 210 or the rear wheel 310, and a set The engaging member 740 on the hub of the rear wheel 310 or the front wheel 210 is engaged with the engaging member 740 by the engaging seat 720 . Wherein, the clamp 720 can be installed at the hub center of the front wheel 210 or the rear wheel 310, and the engaging member 740 can also be installed at the hub center of the front wheel 210 or the rear wheel 310 Here, no specific limitation is made here. When the front wheel 210 and the rear wheel 310 are rotated and attached to the bottom of the main frame 100, the relative fixation of the front and rear wheels 310 can be achieved through the clamping of the clamping seat 720 and the engaging member 740. Avoid random swings during storage or handling, causing inconvenience in operation. In this embodiment, the card seat 720 is preferably made of rubber, plastic and other materials with good elasticity, which can ensure the longest possible lifespan in frequent operations of engaging and separating with the engaging member 740 .

In addition, the oblique rotation mechanism 110 includes a rotating shaft 112 , a first rotating seat 114 disposed on the main frame 100 , and a second rotating seat 116 disposed on the handlebar support 120 , the rotating shaft 112 The center line of the main frame 100 is arranged obliquely, and the first swivel base 114 is rotatably fixed to the second swivel base 116 through the rotating shaft 112 . The central line of the rotating shaft 112 and the vehicle main frame 100 are arranged in an inclined state. When the handlebar support 120 rotates relative to the vehicle main frame 100, the interference between the two can be avoided, and the folding handlebar mechanism can be avoided. Problems such as unsmooth folding and difficult folding.

As shown in FIG. 7 , further, the front fork buckle device 400 further includes an anti-rotation piece 430 , an adjustment lock piece 440 , and a clamping piece 450 set on the adjustment lock piece 440 . The rotating member 430 is fixed on the clamping member 450 and connected with the second connecting seat 420, the second connecting seat 420 is provided with a first card slot 422, and the first connecting seat 410 is provided with a second card slot 412 , the clamping member 450 is clamped and fixed to both the first clamping slot 422 and the second clamping slot 412 .

When the clamping member 450 of the buckling device is clamped and assembled with the first clamping groove 422 and the second clamping groove 412 to connect and fix the connecting seat and the frame connecting member, Or make the clamping member 450 disengage from the first locking groove 422 and the second locking groove 412 through the adjusting locking member 440, so as to realize the folding rotation of the connecting seat relative to the frame connecting member At this time, the anti-rotation member 430 provided on the clamping member 450 can prevent the clamping member 450 from freely rotating on the adjusting locking member 440, thereby ensuring that it is compatible with the first clamping member 450. The slot 422 and the second locking slot 412 form a pre-assembled state of relative arrangement, which avoids the operation steps of aligning the clamping member 450 every time it is installed and fixed, thus making the above-mentioned folding front fork fastening device The operation of the 400 is more convenient and faster, and the user experience is good.

Specifically, the clamping member 450 is a bar-shaped clamping block with a C-shaped cross section, and the two free ends of the C-shaped bar-shaped clamping block are the first bar-shaped clamping part and the second bar-shaped clamping part. The strip-shaped clamping part, the first clamping slot 422 and the second clamping slot 412 are opposite to the clamping part 450, and the first clamping slot 422 and the first strip-shaped clamping part The height of the second card slot 412 matches the height of the second bar-shaped locking part. When the adjustment locking part 440 is rotated, the locking part 450 is connected to the second bar. When the seat 420 is close, the first strip-shaped engaging part and the second strip-shaped engaging part can be smoothly inserted into the corresponding groove, and the position-limiting effect on the groove wall is used to realize the The fastening between the second connecting seat 420 and the first connecting seat 410 is described. The fastening mechanism has a simple structure, is easy to operate, and works reliably. Of course, in another embodiment, a connection structure in which the second connection seat 420 and the first connection seat 410 are embedded in the accommodating portion of the above-mentioned C-shaped bar-shaped block can also be used to achieve snap-fit fixing. .

As shown in FIG. 8 , the above-mentioned foldable bicycle also includes a wheel shaft support mechanism 800, and the wheel shaft support mechanism 800 includes a wheel seat 810 fixed on the rear wheel rear fork 300, a wheel shaft 820 embedded in the wheel seat 810, A locking member 830 for fixing the wheel shaft 820 in the wheel seat 810, a rolling mechanism 840 fitted on the wheel shaft 820, and at least one anti-bending member for preventing the wheel shaft 820 from bending 850, the wheel seat 810 is provided with a fixed frame 812, the wheel shaft 820 has an assembly shaft frame 822, and the fixed frame 812 and the assembly shaft frame 822 are both provided with at least one assembly hole 860 corresponding to the position, the The anti-bending component 850 passes through the assembly hole 860 .

The above-mentioned anti-bending member 850 is a bolt, a screw, etc., by setting at least one assembly hole 860 on the assembly shaft frame 822 of the wheel shaft 820, and installing parts such as bolts in the assembly hole 860, it can increase The radial rigidity and strength of the wheel shaft 820 improve the bending resistance and shear resistance of the wheel shaft 820, ensuring that the wheel shaft 820 will not be bent when it is used for a long time or subjected to an instantaneous impact force, thereby maintaining a high service life. life.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (10)

1. a folding bicycle, it is characterized in that, including car owner's frame, front-wheel front fork and be rotatably fixed on the front-wheel on described front-wheel front fork, trailing wheel back vent and be rotatably fixed on the trailing wheel on described trailing wheel back vent, front fork buckling device, back vent buckling device, the oblique rotating mechanism being fixed on described car owner's frame, the handlebar support member being arranged on described oblique rotating mechanism and be slidably secured the handlebar assembly of described handlebar support member；

Described front fork buckling device includes a connecting seat being arranged on described car owner's frame, and be arranged on described front-wheel front fork and be rotationally connected with described a connecting seat second be connected seat, described back vent buckling device includes the Button Block being arranged on described car owner's frame, and the buckling piece being arranged on described trailing wheel back vent and being connected with described Button Block, described handlebar support member includes retaining mechanism, described handlebar assembly includes handlebar body, it is arranged at the anti-rotation portion on described handlebar body, and it is fixed on the keeper on described handlebar body, when folding bicycle is in fold assembling state, described second connects seat rotates relative to described a connecting seat, described front-wheel rotates and conforms to described car owner's frame, described buckling piece separates with described Button Block, described trailing wheel rotates and conforms to described car owner's frame and fasten with described front-wheel, and described front-wheel and described trailing wheel are parallel to each other and axis coinciding, the relatively described handlebar support member of described handlebar body slides, described keeper and described retaining mechanism clamping, described handlebar support member is rotated by described oblique rotating mechanism and conforms to car owner's frame, described front-wheel, described trailing wheel and described handlebar body all push against with ground and contact.

2. folding bicycle according to claim 1, it is characterized in that, also include handlebar buckling device, described handlebar buckling device includes the fixing seat that is arranged on described car owner's frame and is arranged at the fastener on described handlebar support member, described handlebar assembly rotates when conforming to described car owner's frame, and described fastener coordinates clamping with described fixing seat.

3. folding bicycle according to claim 2, it is characterised in that described fixing seat includes buckling groove, described buckling groove includes the grafting notch and the spacing edge-cut that are interconnected, and described buckling piece is stretched into and be connected in described spacing edge-cut by described grafting notch.

4. folding bicycle according to claim 3, it is characterised in that the width of described spacing edge-cut is less than the maximum cross-section length of described buckling piece.

5. the folding bicycle according to any one of Claims 1-4, it is characterized in that, also include wheel buckling device, deck that described wheel buckling device includes being arranged on the wheel hub of described front-wheel or described trailing wheel and be arranged at the fastener on the wheel hub of described trailing wheel or described front-wheel, described deck coordinates clamping with fastener.

6. folding bicycle according to claim 1, it is characterized in that, described oblique rotating mechanism includes rotating shaft, be arranged on described car owner's frame the first swivel base and be arranged at the second swivel base on described handlebar support member, the centrage of described rotating shaft and described car owner's frame are in tilted layout, and described first swivel base is rotatably fixed to described second swivel base by described rotating shaft.

7. folding bicycle according to claim 1, it is characterized in that, described front fork buckling device also includes rotation preventing device, regulates locking member and be set in the shackle member on described adjustment locking member, described rotation preventing device is fixed on described shackle member and is connected seat connection with described second, described second connects seat is provided with the first draw-in groove, described a connecting seat is provided with the second draw-in groove, and described shackle member all connects and fixes with described first draw-in groove and described second draw-in groove.

8. folding bicycle according to claim 7, it is characterized in that, described front fork buckling device also includes the ejection piece being fixed on described adjustment locking member, described ejection piece is provided with the first clamping flange, described shackle member is provided with the second clamping flange, described shackle member is rotatably fixed to described ejection piece, and described first clamping flange coordinates clamping with described second clamping flange.

9. folding bicycle according to claim 1, it is characterized in that, also include wheel shaft supporting mechanism, described wheel shaft supporting mechanism includes the wheel seat being fixed on described trailing wheel back vent, it is flush-mounted in the wheel shaft of described wheel seat, for described wheel shaft being fixed on the locking member in described wheel seat, it is set in the rolling mechanism on described wheel shaft, and at least one the anti-bending part for preventing described wheel shaft from bending, described wheel seat is provided with fixed mount, described wheel shaft has assembling pedestal, described fixed mount and described assembling pedestal are equipped with position at least one pilot hole accordingly, described anti-bending part is arranged in described pilot hole.

10. folding bicycle according to claim 1, it is characterized in that, described back vent buckling device also includes the rotating mechanism rotated for described trailing wheel back vent relative to described car owner's frame, described rotating mechanism the range of tilt angles of axis of rotary centerline and described trailing wheel be 1.5～2.5 degree.