WO2017181472A1 - 折叠自行车 - Google Patents

折叠自行车 Download PDF

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Publication number
WO2017181472A1
WO2017181472A1 PCT/CN2016/082948 CN2016082948W WO2017181472A1 WO 2017181472 A1 WO2017181472 A1 WO 2017181472A1 CN 2016082948 W CN2016082948 W CN 2016082948W WO 2017181472 A1 WO2017181472 A1 WO 2017181472A1
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WO
WIPO (PCT)
Prior art keywords
wheel
handlebar
fork
main frame
disposed
Prior art date
Application number
PCT/CN2016/082948
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English (en)
French (fr)
Inventor
丁祥守
Original Assignee
广州凯路仕自行车运动时尚产业股份有限公司
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Application filed by 广州凯路仕自行车运动时尚产业股份有限公司 filed Critical 广州凯路仕自行车运动时尚产业股份有限公司
Publication of WO2017181472A1 publication Critical patent/WO2017181472A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K15/00—Collapsible or foldable cycles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K15/00—Collapsible or foldable cycles
    • B62K15/006—Collapsible or foldable cycles the frame being foldable
    • B62K15/008—Collapsible or foldable cycles the frame being foldable foldable about 2 or more axes

Definitions

  • the invention relates to the field of bicycle technology, in particular to a folding bicycle.
  • the folding bicycle As a new member of the bicycle family, the folding bicycle has been popularized and widely used by people because of its convenient riding, the ability to reduce the size of the whole vehicle by folding principle, and its portability and handling.
  • various types of folding bicycles on the market, which to a certain extent achieve the requirements of light weight, small size and convenient operation.
  • bicycle handlebar parts, front wheels and rear wheels In order to achieve small folding volume, bicycle handlebar parts, front wheels and rear wheels are usually required. The other parts are folded and folded.
  • the folding mechanism in the folding bicycle sold in the market is complicated, the folding operation step is cumbersome, and the body of the car body after folding is large, the car body is not tightly fitted, and the collection effect of various parts of the car body is not good, especially the wheel area.
  • the proportion is too small, resulting in excessive space occupied by the car body, which is not convenient to carry or transport.
  • the present invention provides a folding bicycle, which overcomes the defects of the prior art, so that the folded and folded body is easy to stand, and the wheel area is large, and the parts of the vehicle body are more closely attached and occupy less. Space for easy storage and carrying.
  • a folding bicycle includes a main frame, a front wheel front fork, a front wheel rotatably fixed to the front wheel front fork, a rear wheel rear fork, and a rear wheel rotatably fixed to the rear wheel rear fork a fork fastening device, a rear fork fastening device, an oblique rotation mechanism fixed to the main frame of the vehicle, a handlebar support member disposed on the oblique rotation mechanism, and slidably fixed to the handlebar support Handlebar assembly
  • the front fork fastening device includes a first connecting seat disposed on the main frame of the vehicle, and a second connecting seat disposed on the front wheel front fork and rotatably connected to the first connecting seat, the rear
  • the fork fastening device includes a buckle seat disposed on the main frame of the vehicle, and a fastening component disposed on the rear fork rear fork and connected to the buckle seat, the handlebar support member including a locking mechanism
  • the handlebar assembly includes a handlebar body and is disposed on An anti-rotation portion on the handlebar body and a positioning member fixed on the handlebar body, wherein the second connecting seat rotates relative to the first connecting seat when the folding bicycle is in a folded assembled state,
  • the front wheel is rotatably attached to the main frame of the vehicle, the fastening component is separated from the buckle seat, the rear wheel is rotatably attached to the main frame of the vehicle and is engaged with the front wheel, and the front wheel and the front wheel are
  • the rear wheels are parallel to each other and the
  • a handlebar fastening device is further included, the handlebar fastening device includes a fixing seat disposed on the main frame of the vehicle, and a fastening component disposed on the handlebar support member, the handlebar assembly When the rotation is attached to the main frame of the vehicle, the fastening component is engaged with the fixing seat.
  • the fixing base includes a latching slot
  • the latching slot includes a plugging slot and a limiting slot that communicate with each other, and the fastening component protrudes from the plugging slot and is engaged with the slot
  • the limit slot is described.
  • the width of the limiting slot is smaller than the maximum section length of the fastening component.
  • a wheel fastening device is further included, the wheel fastening device includes a card seat disposed on a hub of the front wheel or the rear wheel, and a hub disposed on the rear wheel or the front wheel The engaging member is engaged with the engaging member.
  • the oblique rotation mechanism includes a rotating shaft, a first rotating seat disposed on the main frame of the vehicle, and a second rotating base disposed on the handlebar support member, a center line of the rotating shaft and the The main frame of the vehicle is disposed obliquely, and the first rotating seat is rotatably fixed to the second rotating seat through the rotating shaft.
  • the front fork fastening device further includes an anti-rotation member, an adjustment locking member, and a clamping member disposed on the adjusting locking member, the anti-rotation member being fixed to the engaging member and
  • the second connecting base is connected, the second connecting seat is provided with a first card slot, the first connecting seat is provided with a second card slot, the latching member and the first card slot and the first The two card slots are all clipped and fixed.
  • the front fork fastening device further includes an ejection member fixed to the adjustment locking member, the ejection member is provided with a first locking flange, and the clamping member is provided with a second card
  • the flange is rotatably fixed to the ejector member, and the first snap flange is engaged with the second snap flange.
  • an axle support mechanism is further included, the axle support mechanism includes a fixed to the rear wheel a wheel base on the rear fork, an axle embedded in the wheel seat, a locking member for fixing the axle in the wheel seat, a rolling mechanism fitted on the axle, and a preventing mechanism At least one anti-bending member for bending the axle, the wheel housing is provided with a fixing bracket, the axle has a mounting yoke, and the fixing bracket and the mounting yoke are each provided with at least one mounting hole corresponding to the position The anti-bending member is disposed through the assembly hole.
  • the rear fork fastening device further includes a rotation mechanism for rotating the rear wheel rear fork relative to the main frame of the vehicle, and a range of inclination angles of a rotation center line of the rotation mechanism and an axis of the rear wheel It is 1.5 to 2.5 degrees.
  • the folding bicycle can automatically and conveniently realize the rotation of the front wheel, the rear wheel and the handle body when the vehicle is folded by the front fork fastening device, the rear fork fastening device and the oblique rotation mechanism
  • the utility model is attached to the main frame of the vehicle and is in close contact with the ground at the same time, thereby facilitating the standing of the folded body, high reliability, and the proportion of the wheel area is large, the parts of the vehicle body are more closely attached and the collection is good, occupying Smaller space for easy storage and carrying.
  • FIG. 1 is a top plan view of a folding bicycle according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural view of a folding bicycle according to an embodiment of the present invention.
  • FIG. 3 is a schematic view showing a folded state of a folding bicycle according to an embodiment of the present invention.
  • Figure 4 is a side view of a folding bicycle according to an embodiment of the present invention.
  • FIG. 5 is a top plan view showing a folded state of a folding bicycle according to an embodiment of the present invention.
  • FIG. 6 is a partial enlarged view of a portion B of a folding bicycle according to an embodiment of the present invention.
  • Figure 7 is a cross-sectional view taken along line C-C of a folding bicycle according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural view of a wheel axle support mechanism of a folding bicycle according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of a state in which the front wheel and the rear wheel of the folding bicycle are engaged according to an embodiment of the present invention.
  • a folding bicycle includes a main frame 100, a front wheel front fork 200, and a front wheel 210, a rear wheel rear fork 300 and a rotatable rotatably fixed to the front wheel front fork 200.
  • the front fork fastening device 400 includes a first connecting base 410 disposed on the main frame 100, and a second connection disposed on the front wheel front fork 200 and rotatably connected to the first connecting base 410.
  • the rear fork fastening device 500 includes a buckle base 510 disposed on the main frame 100, and a fastening component 520 disposed on the rear wheel rear fork 300 and connected to the buckle base 510.
  • the handlebar support member 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 is fixed to the handlebar body 131.
  • the positioning member 133 rotates the second connecting base 420 relative to the first connecting base 410 when the folding bicycle is in the folded assembled state, and the front wheel 210 is rotatably attached to the main frame 100, and the fastening
  • the member 520 is separated from the buckle seat 510, the rear wheel 310 is rotatably attached to the front frame 100 and engaged with the front wheel 210, and the front wheel 210 and the rear wheel 310 are parallel to each other and the shaft
  • the heart is coincident, and the handlebar body 131 is opposite to the body
  • the handlebar support member 120 is slid, the positioning member 133 is clamped with the locking mechanism 121, and the handlebar support member 120 is rotatably attached to the main frame 100 by the oblique rotation mechanism 110, the front wheel 210.
  • the rear wheel 310 and the handlebar body 131 are all in close contact with the ground.
  • the front fork 210, the rear wheel 310, and the front of the vehicle when the vehicle is folded can be conveniently and quickly realized by the front fork fastening device 400, the rear fork fastening device 500, and the oblique rotation mechanism 110.
  • the handlebar body 131 is rotatably attached to the main frame 100 of the vehicle and is in close contact with the ground at the same time, thereby facilitating the standing of the folded body, high reliability, large proportion of the wheel area, and closer fitting of the parts of the vehicle body. And the collection is good, taking up less space, easy to store and carry.
  • the front wheel front fork 200 When the folding bicycle needs to be used for normal riding, the front wheel front fork 200 only needs to be rotated and deployed by the pin mechanism, so that the first connecting base 410 and the second connecting seat 420 are snap-fitted together.
  • the rear wheel rear fork 300 is rotated and deployed by a pin mechanism to connect the fastening member 520 with the buckle seat 510, and finally the handle body 131 is rotated back by the oblique rotation mechanism 110, and is erected on the Above the main frame 100, the anti-rotation portion 132 is coupled with the locking mechanism 121 to realize the positioning of the handle body 131, thereby completing the unfolding operation for convenient riding.
  • the above-mentioned deployment mode is simple in operation, time-saving and labor-saving, and the vehicle body is connected stably and has high reliability.
  • the front wheel 210 and the rear wheel 310 are preferably folded, interlocked, and axially coincident, and the handlebar body 131 is also attached to the main frame 100, and The main frame 100 is arranged in parallel, thereby making the body of the folded and folded body more compact and occupying less space.
  • the handle body 131 is folded into contact with the ground support, and the handle body 131 is stably supported by the locking mechanism 121 and the clamping structure of the positioning member 133.
  • different positions of the positioning member 133 on the handlebar body 131 can be adjusted according to different topographical features, thereby obtaining different support lengths of the handlebar body 131 to achieve different geomorphological positions such as depressions and ridges. Stable standing for improved reliability and flexibility.
  • the front fork fastening device 400 further includes an ejection member 460 fixed to the adjustment locking member 440 , and the ejection member 460 is provided with a first locking flange.
  • the latching member 450 is provided with a second latching flange, the latching member 450 is rotatably fixed to the ejecting member 460, and the first latching flange and the second latching projection are convex The edge fits the card.
  • the adjusting locking member 440 is provided with an adjusting grip member, and the latching member 450 is locked with the adjustment
  • the member 440 is moved together, specifically by the ejection of the ejection member 460 mounted on the adjustment locking member 440, the first engaging flange of the ejection member 460 and the The second engaging flange of the engaging member 450 is snap-fitted to provide the engaging member 450 with a driving action, and when the adjusting locking member 440 moves together, when the fastening is performed, the adjustment is performed by adjusting
  • the resisting action of the gripping member moves the latching member 450, and the above structure is simple and ingenious in design and reliable in operation.
  • the handlebar assembly 130 further includes an anti-rotation portion 132 including a plurality of strip-shaped projections circumferentially disposed along the extending direction of the handlebar body 131.
  • the plurality of strip-shaped protrusions may be a tooth-shaped structure having a triangular cross section, a semi-circular shape, or the like, and the plurality of strip-shaped protrusions are ensured along the extending direction of the handlebar body 131.
  • the length of the handlebar body 131 can be prevented from rotating relative to the handlebar support member 120 by the toothed structure when the locking mechanism is coupled to the locking mechanism 121. Assembly stability.
  • 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, and the positioning slider 134 is provided with a through hole,
  • the locking adjustment member 135 is disposed through the through hole and abuts against the handle body 131.
  • the positioning member 133 includes a positioning slider 134 and a locking adjusting member 135.
  • the positioning slider 134 is provided with a through hole, and the locking adjusting member 135 is disposed through the through hole and the handle body 131 Resist.
  • the positioning slider 134 can be freely slid on the handlebar body 131, and then locked and fixed by the locking adjustment member 135, and the function thereof is not only for the handlebar body but also when the folding is folded.
  • 131 is positioned to ensure the stability after folding, and the height of the handle body 131 after folding and folding can be adjusted by adjusting the position of the positioning slider 134 on the handle body 131. It is capable of contacting the ground to assist the entire vehicle body.
  • the rear fork fastening device 500 further includes a rotation mechanism 530 for rotating the rear wheel rear fork 300 relative to the main frame 100, and the rotation center line of the rotation mechanism 530 is
  • the inclination angle of the axis of the rear wheel 310 ranges from 1.5 to 2.5 degrees.
  • the range of the inclination angle of the rotation center line of the rotating mechanism 530 and the axis of the rear wheel 310 is limited to 1.5 to 2.5 degrees, and not only the folding of the rear wheel 310 in the direction of the main frame 100 but also the folding of the rear wheel 310 is achieved. It can be ensured that the angle of deflection is not too large, resulting in excessive width of the body after folding and occupying too much space.
  • the folding bicycle further includes a handlebar fastening device 600.
  • the handlebar fastening device 600 includes a fixing base 620 disposed on the main frame 100, and a fastening component 640 disposed on the handlebar support 120.
  • the handlebar assembly 130 is rotatably attached to the handlebar assembly 130.
  • the fastening member 640 is engaged with the fixing base 620.
  • the handlebar assembly 130 is obliquely rotated and fitted to the main frame 100 by the oblique rotation mechanism 110, and then passed through the set on the handlebar assembly 130.
  • the fastening member 520 is snap-fitted and fastened to the fixing seat 620 disposed on the main frame 100, so that the folding bicycle handlebar can be reliably fixed, and the loosening of the bicycle handlebar is avoided, which is unfavorable for lifting and colliding with the vehicle body. Not only will noise be generated, but also scratches such as scratches due to impact, affecting the aesthetic and life of the vehicle.
  • the fixing base 620 includes a latching slot 622
  • the latching slot 622 includes a plugging slot 624 and a limiting slot 626 .
  • the latching member 520 is inserted by the latching slot 520 .
  • the notch 624 extends into and is engaged with the limiting slot 626.
  • the fastening component 520 is snap-fitted with the latching slot 622, it is first inserted from the plugging slot 624, and then slides to the depth of the latching slot 622 and is engaged therein.
  • the limiting slot 626 is described to prevent the clip 450 from coming off.
  • the opening of the insertion slot 624 is provided with rounded corners, which makes the carding member 450 more smooth and labor-saving.
  • the width of the limiting slot 626 is smaller than the maximum section length of the fastening component 520.
  • the width of the limiting slot 626 is smaller than the maximum length of the engaging member 520, specifically, the smaller than the maximum length of the engaging member 450, so that the engaging member 520 can be firmly engaged. In the engaging groove 622, the force is prevented from coming out and the action of the fastening structure is invalidated.
  • the folding bicycle further includes a wheel fastening device 700
  • the wheel fastening device 700 includes a card holder 720 disposed on a hub of the front wheel 210 or the rear wheel 310, and a setting On the rear wheel 310 or the engaging member 740 on the hub of the front wheel 210, the card holder 720 is engaged with the engaging member 740.
  • the card holder 720 can be installed at the center of the hub of the front wheel 210 or the rear wheel 310, and the engaging member 740 can also be installed at the center of the hub of the front wheel 210 or the rear wheel 310. This is not specifically limited here.
  • the relative fixing of the front and rear wheels 310 can be achieved by the card holder 720 being engaged with the engaging member 740. Avoid swinging freely during storage or handling, resulting in inconvenient operation.
  • the card holder 720 is preferably made of rubber, plastic or the like with good elastic properties, and can ensure that it is as long as possible in the operation of frequently engaging and disengaging the engaging member 740. life.
  • the oblique rotating mechanism 110 includes a rotating shaft 112, a first rotating base 114 disposed on the main frame 100, and a second rotating base 116 disposed on the handlebar support 120.
  • the rotating shaft 112 The center line is obliquely disposed with the main frame 100, and the first rotating base 114 is rotatably fixed to the second rotating seat 116 by the rotating shaft 112.
  • the center line of the rotating shaft 112 and the main frame 100 are inclined, when the handlebar support 120 rotates relative to the main frame 100, interference between the two can be avoided, thereby avoiding the folding handlebar mechanism. Problems such as poor folding and difficulty in folding.
  • the front fork fastening device 400 further includes an anti-rotation member 430 , an adjustment locking member 440 , and a clip 450 disposed on the adjustment locking member 440 .
  • the rotating member 430 is fixed to the engaging member 450 and connected to the second connecting base 420.
  • the second connecting base 420 is provided with a first card slot 422, and the first connecting base 410 is provided with a second card slot. 412.
  • the card connector 450 is fixedly coupled to the first card slot 422 and the second card slot 412.
  • the engaging member 450 of the fastening device is snap-fitted with the first card slot 422 and the second card slot 412 to connect and fix the connecting seat and the frame connecting member, Or the card holder 450 is disengaged from the first card slot 422 and the second card slot 412 by the adjusting locking member 440, thereby achieving folding rotation of the connecting seat relative to the frame connector.
  • the anti-rotation member 430 is disposed on the latching member 450, the latching member 450 can be prevented from rotating on the adjusting locking member 440 at random, thereby ensuring the same with the first card.
  • the slot 422 and the second slot 412 form a pre-assembled state of the opposite arrangement, avoiding the operation step of aligning the clip 450 each time the mounting and fixing is performed, thereby causing the folding front fork fastening device
  • the operation of the 400 is more convenient and quick, and the experience is good.
  • the latching member 450 is a strip-shaped card block having a C-shaped cross section, and the two free ends of the C-shaped strip-shaped card block are the first strip-shaped engaging portion and the second a strip-shaped engaging portion, the first card slot 422 and the second card slot 412 are oppositely disposed on the latching member 450, and the first card slot 422 and the first strip-shaped latching portion
  • the height of the second slot 412 matches the height of the second strip-shaped engaging portion, and when the adjusting locking member 440 is rotated, the engaging member 450 is moved to the second connection
  • the seat 420 is close to the first strip-shaped engaging portion and the second strip-shaped engaging portion, the card can be smoothly inserted into the corresponding slot, and the abutting and restraining action with the slot wall can be realized.
  • connection structure in which the second connecting base 420 and the first connecting base 410 are embedded in the receiving portion of the C-shaped strip-shaped block can also be used to achieve the fastening and fixing. .
  • the folding bicycle further includes an axle support mechanism 800
  • the axle support mechanism 800 includes a wheel base 810 fixed to the rear wheel rear fork 300, an axle 820 embedded in the wheel base 810, a locking member 830 for fixing the axle 820 in the wheel seat 810, a rolling mechanism 840 fitted on the axle 820, and at least one anti-bending member for preventing the axle 820 from being bent 850
  • the wheel base 810 is provided with a fixing frame 812
  • the wheel shaft 820 has a mounting shaft frame 822
  • the fixing frame 812 and the mounting shaft frame 822 are respectively provided with at least one fitting hole 860 corresponding to the position
  • the anti-bending member 850 is disposed through the fitting hole 860.
  • the anti-buckling member 850 is a bolt, a screw, or the like.

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  • Mechanical Engineering (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Abstract

一种折叠自行车，包括车主架（100）、前轮前叉（200）及可转动固定于所述前轮前叉（200）上的前轮（210）、后轮后叉（300）及可转动固定于所述后轮后叉（300）上的后轮（310）、前叉扣合装置（400）、后叉扣合装置（500）、固定于所述车主架（100）上的斜向转动机构（110）、设置于所述斜向转动机构（110）上的车把支撑件（120）、及可滑动地固定于所述车把支撑件（120）的车把组件（130）。所述前轮（210）、所述后轮（310）及车把本体（131）旋转贴合至所述车主架（100）并同时与地面抵紧接触，由此便于折叠后的车体站立，可靠性高，同时车轮面积占比大，车体各部件贴合更加紧密且收藏的好，占用更小的空间，便于存放和携带。

Description

折叠自行车 技术领域
本发明涉及自行车技术领域，特别是一种折叠自行车。
背景技术
折叠自行车作为自行车家族的一名新成员问世，就因其骑行方便、可通过折叠原理缩小整车体积、便于携带和搬运等优点，被越来越多的受到人们的喜爱和广泛使用。目前市面上出现了各种结构类型的折叠车，在一定程度上达到重量轻、体积小，操作便捷的要求，为了实现折叠体积小的目的，通常需要对自行车车把部位、前车轮及后车轮等部位进行折叠收合。目前市场在售的折叠自行车中的折叠机构较为复杂，折叠操作步骤较为繁琐，且折叠之后的车体体积较大，车体贴合不紧密，车体各零件收藏效果不佳，尤其是车轮面积占比过小，导致车体占用过多的空间，不便于携带或运输。
发明内容
基于此，本发明提供一种折叠自行车，在于克服现有技术的缺陷，使折叠收合后的车体便于站立，同时车轮面积占比大，车体各部件贴合更加紧密，占用更小的空间，便于存放和携带。
本发明的目的是这样实现的：
一种折叠自行车，包括车主架、前轮前叉及可转动固定于所述前轮前叉上的前轮、后轮后叉及可转动固定于所述后轮后叉上的后轮、前叉扣合装置、后叉扣合装置、固定于所述车主架上的斜向转动机构、设置于所述斜向转动机构上的车把支撑件、及可滑动地固定于所述车把支撑件的车把组件；
所述前叉扣合装置包括设置于所述车主架上的第一连接座、及设置于所述前轮前叉上并与所述第一连接座转动连接的第二连接座，所述后叉扣合装置包括设置于所述车主架上的扣座、及设置于所述后轮后叉上并与所述扣座连接的扣合件，所述车把支撑件包括锁紧机构，所述车把组件包括车把本体、设置于 所述车把本体上的防转动部、及固定于所述车把本体上的定位件，当折叠自行车处于折叠装配状态时，所述第二连接座相对所述第一连接座转动，所述前轮旋转贴合至所述车主架，所述扣合件与所述扣座分离，所述后轮旋转贴合至所述车主架并与所述前轮扣合，且所述前轮和所述后轮相互平行且轴心重合，所述车把本体相对所述车把支撑件滑动，所述定位件与所述锁紧机构卡紧，所述车把支撑件通过所述斜向转动机构旋转贴合至车主架，所述前轮、所述后轮及所述车把本体均与地面抵紧接触。
下面对技术方案作进一步的说明：
进一步地，还包括车把扣合装置，所述车把扣合装置包括设置于所述车主架上的固定座、及设置于所述车把支撑件上的扣接件，所述车把组件旋转贴合至所述车主架时，所述扣接件与所述固定座配合卡接。
进一步地，所述固定座包括卡接槽，所述卡接槽包括相互连通的插接槽口和限位槽口，所述扣合件由所述插接槽口伸入并卡接于所述限位槽口。
进一步地，所述限位槽口的宽度小于所述扣合件的最大截面长度。
进一步地，还包括车轮扣合装置，所述车轮扣合装置包括设置于所述前轮或所述后轮的轮毂上的卡座、及设置于所述后轮或所述前轮的轮毂上的卡合件，所述卡座与卡合件配合卡接。
进一步地，所述斜向转动机构包括转轴、设置于所述车主架上的第一转座、及设置于所述车把支撑件上的第二转座，所述转轴的中心线与所述车主架倾斜布置，且所述第一转座通过所述转轴可转动地固定于所述第二转座。
进一步地，所述前叉扣合装置还包括防转件、调节锁紧件、及套装于所述调节锁紧件上的卡接件，所述防转件固定于所述卡接件并与所述第二连接座连接，所述第二连接座设有第一卡槽，所述第一连接座设有第二卡槽，所述卡接件与所述第一卡槽和所述第二卡槽均卡接固定。
进一步地，所述前叉扣合装置还包括固定于所述调节锁紧件上的顶出件，所述顶出件设有第一卡接凸缘，所述卡接件设有第二卡接凸缘，所述卡接件可转动地固定于所述顶出件，且所述第一卡接凸缘与所述第二卡接凸缘配合卡接。
进一步地，还包括轮轴支撑机构，所述轮轴支撑机构包括固定于所述后轮 后叉上的轮座、嵌装于所述轮座的轮轴、用于将所述轮轴固定于所述轮座内的锁紧件、套装于所述轮轴上的滚动机构、及用于防止所述轮轴弯折的至少一个防折弯件，所述轮座设有固定架，所述轮轴具有装配轴架，所述固定架和所述装配轴架均设有位置相对应地至少一个装配孔，所述防折弯件穿设于所述装配孔。
进一步地，所述后叉扣合装置还包括用于所述后轮后叉相对所述车主架转动的转动机构，所述转动机构的的转动中心线与所述后轮的轴线的倾斜角度范围为1.5～2.5度。
本发明的有益效果在于：
上述折叠自行车通过所述前叉扣合装置、所述后叉扣合装置及所述斜向转动机构，可以方便快捷实现车辆折叠时所述前轮、所述后轮及所述车把本体旋转贴合至所述车主架并同时与地面抵紧接触，由此便于折叠后的车体站立，可靠性高，同时车轮面积占比大，车体各部件贴合更加紧密且收藏的好，占用更小的空间，便于存放和携带。
附图说明
图1为本发明实施例所述的折叠自行车的俯视图；
图2为本发明实施例所述的折叠自行车结构示意图；
图3为本发明实施例所述的折叠自行车折叠状态示意图；
图4为本发明实施例所述的折叠自行车的侧视图；
图5为本发明实施例所述的折叠自行车的折叠状态的俯视图；
图6为本发明实施例所述的折叠自行车的B处的局部放大图；
图7为本发明实施例所述的折叠自行车的A处的C-C剖面图；
图8为本发明实施例所述的折叠自行车的轮轴支撑机构的结构示意图；
图9为本发明实施例所述的折叠自行车的所述前轮和所述后轮扣合状态示意图。
附图标记说明：
100、车主架，110、斜向转动机构，112、转轴，114、第一转座，116、第 二转座，120、车把支撑件，121、锁紧机构，130、车把组件，131、车把本体，132、防转动部，133、定位件，134、定位滑块，135、锁紧调节件，200、前轮前叉、210、前轮，300、后轮后叉，310、后轮，400、前叉扣合装置，410、第一连接座，412、第二卡槽，420、第二连接座，422、第一卡槽，430、防转件，440、调节锁紧件，450、卡接件，460、顶出件，500、后叉扣合装置，510、扣座，520、扣合件，530、转动机构，600、车把扣合装置，620、固定座，622、卡接槽，624、插接槽口，626、限位槽口，640、扣接件，700、车轮扣合装置，720、卡座，740、卡合件，800、轮轴支撑机构，810、轮座，812、固定架，820、轮轴，822、装配轴架，830、锁紧件，840、滚动机构，850、防折弯件，860、装配孔。
具体实施方式
下面对本发明的实施例进行详细说明：
如图1至图3所示，一种折叠自行车，包括车主架100、前轮前叉200及可转动固定于所述前轮前叉200上的前轮210、后轮后叉300及可转动固定于所述后轮后叉300上的后轮310、前叉扣合装置400、后叉扣合装置500、固定于所述车主架100上的斜向转动机构110、设置于所述斜向转动机构110上的车把支撑件120、及可滑动地固定于所述车把支撑件120的车把组件130；
所述前叉扣合装置400包括设置于所述车主架100上的第一连接座410、及设置于所述前轮前叉200上并与所述第一连接座410转动连接的第二连接座420，所述后叉扣合装置500包括设置于所述车主架100上的扣座510、及设置于所述后轮后叉300上并与所述扣座510连接的扣合件520，所述车把支撑件120包括锁紧机构121，所述车把组件130包括车把本体131、设置于所述车把本体131上的防转动部132、及固定于所述车把本体131上的定位件133，当折叠自行车处于折叠装配状态时，所述第二连接座420相对所述第一连接座410转动，所述前轮210旋转贴合至所述车主架100，所述扣合件520与所述扣座510分离，所述后轮310旋转贴合至所述车主架100并与所述前轮210扣合，且所述前轮210和所述后轮310相互平行且轴心重合，所述车把本体131相对所 述车把支撑件120滑动，所述定位件133与所述锁紧机构121卡紧，所述车把支撑件120通过所述斜向转动机构110旋转贴合至车主架100，所述前轮210、所述后轮310及所述车把本体131均与地面抵紧接触。
其中，通过所述前叉扣合装置400、所述后叉扣合装置500及所述斜向转动机构110，可以方便快捷实现车辆折叠时所述前轮210、所述后轮310及所述车把本体131旋转贴合至所述车主架100并同时与地面抵紧接触，由此便于折叠后的车体站立，可靠性高，同时车轮面积占比大，车体各部件贴合更加紧密且收藏的好，占用更小的空间，便于存放和携带。
当上述折叠自行车需要正常骑行使用时，只需将所述前轮前叉200通过销轴机构转动展开，使所述第一连接座410和所述第二连接座420拼合扣接，将所述后轮后叉300通过销轴机构转动展开，使所述扣合件520与所述扣座510连接，最后将所述车把本体131通过所述斜向转动机构110旋转回位，竖立于所述车主架100上方，此时所述防转动部132与所述锁紧机构121配合连接以实现所述车把本体131的定位，由此即可完成展开操作，以方便人们骑行使用，上述展开方式操作简单、省时省力，且车体连接稳固，可靠性高。
在本实施例中优选的所述前轮210与所述后轮310折叠后相互扣合、平行且轴心重合，所述车把本体131亦贴合至所述车主架100、并与所述车主架100平行布置，由此可以使得折叠收合后的车体体积更加紧凑、占用空间更小。
此外，所述车把本体131折叠之后与地面支撑接触，通过所述锁紧机构121与所述定位件133的卡紧结构来实现所述车把本体131的稳固支撑。当然，根据不同的地形地貌，可以调整所述定位件133在所述车把本体131上的不同位置，从而获得不同所述车把本体131的支撑长度，以实现凹陷、隆起等不同地貌位置的稳固站立，从而提高车体的可靠性和灵活性。
如图7所示，进一步的，所述前叉扣合装置400还包括固定于所述调节锁紧件440上的顶出件460，所述顶出件460设有第一卡接凸缘，所述卡接件450设有第二卡接凸缘，所述卡接件450可转动地固定于所述顶出件460，且所述第一卡接凸缘与所述第二卡接凸缘配合卡接。
所述调节锁紧件440设有调节把持件，在所述卡接件450随所述调节锁紧 件440一同移动时，具体是通过安装于所述调节锁紧件440上的所述顶出件460的顶出作用，通过所述顶出件460的所述第一卡接凸缘与所述卡接件450的所述第二卡接凸缘卡接配合，从而提供给所述卡接件450带动作用，随所述调节锁紧件440一同移动，而进行扣合时，则是通过调节把持件的抵挡作用使所述卡接件450移动，上述结构设计简单巧妙、工作可靠。
另外，所述车把组件130还包括防转动部132，所述防转动部132包括沿所述车把本体131延伸方向周向设置的多个条形凸起。本实施例中优选的，多个所述条形凸起可以是截面为三角形、半圆形等的齿形结构，且保证该多个条形凸起沿所述车把本体131的延伸方向具有一定长度，其作用在于当与所述锁紧机构121配合连接时，通过该齿形结构可以防止所述车把本体131与所述车把支撑件120发生相对转动，提高所述车把本体131的装配稳固性。
在一个优选的实施例中，所述车把组件130还包括定位件133，所述定位件133包括定位滑块134和锁紧调节件135，所述定位滑块134设有通孔，所述锁紧调节件135穿设于所述通孔并与所述车把本体131抵紧。所述定位件133包括定位滑块134和锁紧调节件135，所述定位滑块134设有通孔，所述锁紧调节件135穿设于所述通孔并与所述车把本体131抵紧。其中，所述定位滑块134可自由地在所述车把本体131上滑动，之后通过所述锁紧调节件135锁紧固定，其作用在于在折叠收合时不仅可以对所述车把本体131起到定位作用，以确保其折叠后的稳固，同时还可以通过调节该定位滑块134在所述车把本体131上的位置来调整折叠收合后所述车把本体131的高度，使其能够接触地面，从而对整个车体起到辅助支撑作用。
如图2所示，此外，所述后叉扣合装置500还包括用于所述后轮后叉300相对所述车主架100转动的转动机构530，所述转动机构530的的转动中心线与所述后轮310的轴线的倾斜角度范围为1.5～2.5度。将所述转动机构530的转动中心线与所述后轮310的轴线倾斜角度的范围限定为1.5～2.5度，不仅可以实现所述后轮310向所述车主架100方向的翻折，同时还可以保证偏转的角度不至于过大，导致折叠收合后的车体宽度过大，占用过多空间。
进一步地，如图4，图5所示，上述折叠自行车还包括车把扣合装置600， 所述车把扣合装置600包括设置于所述车主架100上的固定座620、及设置于所述车把支撑件120上的扣接件640，所述车把组件130旋转贴合至所述车主架100时，所述扣接件640与所述固定座620配合卡接。当折叠自行车进行折叠收合时，所述车把组件130通过所述斜向转动机构110向所述车主架100方向斜向旋转并贴合，之后通过设置于所述车把组件130上的所述扣合件520与设置于所述车主架100上的所述固定座620扣合卡接，可以实现折叠自行车车把的可靠固定，避免容易发生松动不利于搬抬，同时与车主体发生碰撞，不仅会产生噪音，而且还会因撞击产生擦伤等伤痕，影响车辆的美观和寿命。
如图6所示，所述固定座620包括卡接槽622，所述卡接槽622包括相互连通的插接槽口624和限位槽口626，所述扣合件520由所述插接槽口624伸入并卡接于所述限位槽口626。其中，当所述扣合件520与所述卡接槽622扣合卡接时，首先从所述插接槽口624插入，之后再滑动至所述卡接槽622深处并卡接于所述限位槽口626，以防止所述卡接件450脱出。优选的，所述插接槽口624的开口处设有圆角，可以使所述卡接件450卡入时更加顺滑、省力。另外，进一步地，所述限位槽口626的宽度小于所述扣合件520的最大截面长度。限定所述限位槽口626的宽度小于所述扣合件520的最大截面长度，具体是指小于所述卡接件450的最大长度，如此便可以使所述扣合件520牢靠的卡接于所述卡接槽622内，避免受力脱出，使扣合结构的作用失效。
请参照图2，进一步地，上述折叠自行车还包括车轮扣合装置700，所述车轮扣合装置700包括设置于所述前轮210或所述后轮310的轮毂上的卡座720、及设置于所述后轮310或所述前轮210的轮毂上的卡合件740，所述卡座720与卡合件740配合卡接。其中，所述卡座720可以安装于所述前轮210或所述后轮310的轮毂中心处，所述卡合件740亦可以安装于所述前轮210或所述后轮310的轮毂中心处，在此不作具体限定。当所述前轮210和所述后轮310旋转贴合至所述车主架100的下方时，通过所述卡座720和所述卡合件740卡接，可以实现前后轮310的相对固定，避免在存放或搬运过程中随意摆动，造成操作不便。在本实施例中所述卡座720优选采用弹性性能好的橡胶、塑料等材料制作，可以确保其与所述卡合件740在频繁的卡合、分离的操作中具有尽量长的 寿命。
此外，所述斜向转动机构110包括转轴112、设置于所述车主架100上的第一转座114、及设置于所述车把支撑件120上的第二转座116，所述转轴112的中心线与所述车主架100倾斜布置，且所述第一转座114通过所述转轴112可转动地固定于所述第二转座116。将所述转轴112的中心线与所述车主架100呈倾斜的布置状态，当所述车把支撑件120相对车主架100转动时，可以避免两者发生干涉，避免造成折叠式车把机构的折叠不顺畅及收合困难等问题。
如图7所示，进一步地，所述前叉扣合装置400还包括防转件430、调节锁紧件440、及套装于所述调节锁紧件440上的卡接件450，所述防转件430固定于所述卡接件450并与所述第二连接座420连接，所述第二连接座420设有第一卡槽422，所述第一连接座410设有第二卡槽412，所述卡接件450与所述第一卡槽422和所述第二卡槽412均卡接固定。
当所述扣合装置的所述卡接件450与所述第一卡槽422和所述第二卡槽412进行卡接装配，以连接固定所述连接座和所述车架连接件时，或使所述卡接件450通过所述调节锁紧件440从所述第一卡槽422和所述第二卡槽412内脱出，实现所述连接座相对所述车架连接件的折叠转动时，通过设置于所述卡接件450上的所述防转件430，可以避免所述卡接件450随意地在所述调节锁紧件440上转动，从而保证其与所述第一卡槽422和所述第二卡槽412形成相对布置的预装配状态，避免每次进行安装固定时需要将所述卡接件450摆正的操作步骤，由此使得上述折叠前叉扣合装置400的操作更加方便快捷、使用体验感好。
具体的，所述卡接件450为截面为C字型的条形卡块，该C字型条形卡块的两个自由端即为所述第一条形卡接部和所述第二条形卡接部，所述第一卡槽422和所述第二卡槽412均于所述卡接件450相对设置，且所述第一卡槽422与所述第一条形卡接部的高度相匹配，所述第二卡槽412与所述第二条形卡接部的高度相匹配，当旋动所述调节锁紧件440使所述卡接件450向所述第二连接座420靠近时，所述第一条形卡接部和所述第二条形卡接部便可以顺利的卡接入对应的槽内，通过与槽壁的抵紧限位作用，来实现所述第二连接座420和所述第一连接座410的扣合，该扣合机构的结构简单，操作方便，工作可靠。当 然，在另一个实施例中，也可以采用将所述第二连接座420和所述第一连接座410内嵌于上述C字型条形卡块的容纳部内的连接结构来实现扣合固定。
如图8所示，上述折叠自行车还包括轮轴支撑机构800，所述轮轴支撑机构800包括固定于所述后轮后叉300上的轮座810、嵌装于所述轮座810的轮轴820、用于将所述轮轴820固定于所述轮座810内的锁紧件830、套装于所述轮轴820上的滚动机构840、及用于防止所述轮轴820弯折的至少一个防折弯件850，所述轮座810设有固定架812，所述轮轴820具有装配轴架822，所述固定架812和所述装配轴架822均设有位置相对应地至少一个装配孔860，所述防折弯件850穿设于所述装配孔860。
上述防折弯件850为螺栓、螺钉等，通过在所述轮轴820的所述装配轴架822设置至少一个所述装配孔860，并将螺栓等部件安装于所述装配孔860内，可以增加所述轮轴820的径向刚度和强度，提高轮轴820的抗折弯性能和抗剪切性能，保证所述轮轴820在长期使用或受瞬时冲击力时不被折弯，从而保持较高的使用寿命。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。

Claims (10)

  1. 一种折叠自行车，其特征在于，包括车主架、前轮前叉及可转动固定于所述前轮前叉上的前轮、后轮后叉及可转动固定于所述后轮后叉上的后轮、前叉扣合装置、后叉扣合装置、固定于所述车主架上的斜向转动机构、设置于所述斜向转动机构上的车把支撑件、及可滑动地固定于所述车把支撑件的车把组件；
    所述前叉扣合装置包括设置于所述车主架上的第一连接座、及设置于所述前轮前叉上并与所述第一连接座转动连接的第二连接座，所述后叉扣合装置包括设置于所述车主架上的扣座、及设置于所述后轮后叉上并与所述扣座连接的扣合件，所述车把支撑件包括锁紧机构，所述车把组件包括车把本体、设置于所述车把本体上的防转动部、及固定于所述车把本体上的定位件，当折叠自行车处于折叠装配状态时，所述第二连接座相对所述第一连接座转动，所述前轮旋转贴合至所述车主架，所述扣合件与所述扣座分离，所述后轮旋转贴合至所述车主架并与所述前轮扣合，且所述前轮和所述后轮相互平行且轴心重合，所述车把本体相对所述车把支撑件滑动，所述定位件与所述锁紧机构卡紧，所述车把支撑件通过所述斜向转动机构旋转贴合至车主架，所述前轮、所述后轮及所述车把本体均与地面抵紧接触。
  2. 根据权利要求1所述的折叠自行车，其特征在于，还包括车把扣合装置，所述车把扣合装置包括设置于所述车主架上的固定座、及设置于所述车把支撑件上的扣接件，所述车把组件旋转贴合至所述车主架时，所述扣接件与所述固定座配合卡接。
  3. 根据权利要求2所述的折叠自行车，其特征在于，所述固定座包括卡接槽，所述卡接槽包括相互连通的插接槽口和限位槽口，所述扣合件由所述插接槽口伸入并卡接于所述限位槽口。
  4. 根据权利要求3所述的折叠自行车，其特征在于，所述限位槽口的宽度小于所述扣合件的最大截面长度。
  5. 根据权利要求1至4任一项所述的折叠自行车，其特征在于，还包括车轮扣合装置，所述车轮扣合装置包括设置于所述前轮或所述后轮的轮毂上的卡 座、及设置于所述后轮或所述前轮的轮毂上的卡合件，所述卡座与卡合件配合卡接。
  6. 根据权利要求1所述的折叠自行车，其特征在于，所述斜向转动机构包括转轴、设置于所述车主架上的第一转座、及设置于所述车把支撑件上的第二转座，所述转轴的中心线与所述车主架倾斜布置，且所述第一转座通过所述转轴可转动地固定于所述第二转座。
  7. 根据权利要求1所述的折叠自行车，其特征在于，所述前叉扣合装置还包括防转件、调节锁紧件、及套装于所述调节锁紧件上的卡接件，所述防转件固定于所述卡接件并与所述第二连接座连接，所述第二连接座设有第一卡槽，所述第一连接座设有第二卡槽，所述卡接件与所述第一卡槽和所述第二卡槽均卡接固定。
  8. 根据权利要求7所述的折叠自行车，其特征在于，所述前叉扣合装置还包括固定于所述调节锁紧件上的顶出件，所述顶出件设有第一卡接凸缘，所述卡接件设有第二卡接凸缘，所述卡接件可转动地固定于所述顶出件，且所述第一卡接凸缘与所述第二卡接凸缘配合卡接。
  9. 根据权利要求1所述的折叠自行车，其特征在于，还包括轮轴支撑机构，所述轮轴支撑机构包括固定于所述后轮后叉上的轮座、嵌装于所述轮座的轮轴、用于将所述轮轴固定于所述轮座内的锁紧件、套装于所述轮轴上的滚动机构、及用于防止所述轮轴弯折的至少一个防折弯件，所述轮座设有固定架，所述轮轴具有装配轴架，所述固定架和所述装配轴架均设有位置相对应地至少一个装配孔，所述防折弯件穿设于所述装配孔。
  10. 根据权利要求1所述的折叠自行车，其特征在于，所述后叉扣合装置还包括用于所述后轮后叉相对所述车主架转动的转动机构，所述转动机构的转动中心线与所述后轮的轴线的倾斜角度范围为1.5～2.5度。
PCT/CN2016/082948 2016-04-18 2016-05-23 折叠自行车 WO2017181472A1 (zh)

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