WO2011137661A1 - 一种便携式代步车 - Google Patents

一种便携式代步车 Download PDF

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Publication number
WO2011137661A1
WO2011137661A1 PCT/CN2011/000740 CN2011000740W WO2011137661A1 WO 2011137661 A1 WO2011137661 A1 WO 2011137661A1 CN 2011000740 W CN2011000740 W CN 2011000740W WO 2011137661 A1 WO2011137661 A1 WO 2011137661A1
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WO
WIPO (PCT)
Prior art keywords
frame
fork
handlebar
wheel
vertical
Prior art date
Application number
PCT/CN2011/000740
Other languages
English (en)
French (fr)
Inventor
李武强
Original Assignee
Li Wuqiang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Li Wuqiang filed Critical Li Wuqiang
Publication of WO2011137661A1 publication Critical patent/WO2011137661A1/zh

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Classifications

    • 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
    • B62K3/00—Bicycles
    • B62K3/002—Bicycles without a seat, i.e. the rider operating the vehicle in a standing position, e.g. non-motorized scooters; non-motorized scooters with skis or runners
    • 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 a portable scooter, belonging to the technical field of folding bicycles.
  • Bicycles are a kind of personal transportation that is widely used at present.
  • various folding bicycles have been invented, and the techniques used are generally folded, telescopic, and the like.
  • the folded bicycle is much smaller, it is still inconvenient to carry.
  • the folded A-bike bicycle still has 67 cm x 30 cm x 16 cm; small size
  • the wheel has a higher level of flatness on the road surface, otherwise it will be bumpy when walking.
  • Other folding bikes are larger and more inconvenient to carry.
  • the object of the present invention is to provide a portable scooter that is small in size, easy to carry, and safe in book riding.
  • the present invention adopts the following technical solutions:
  • a portable scooter comprising a handlebar vertical bar, a handlebar crossbar, a handlebar, a brake, a frame, a flywheel, a transmission mechanism, a front wheel and a rear wheel, a transmission mechanism and a flywheel mounted on one side of the frame;
  • the frame comprises a front frame, a lower frame, a front fork and a connecting piece; the upper end of the front frame has a handlebar vertical shaft on both sides, and the front frame passes through the handlebar vertical shaft and the two handlebar vertical rods respectively Connected, the handlebar crossbar is located between two handlebar vertical poles;
  • the front frame is provided with a rear wheel receiving groove, a front wheel receiving groove and an opening end from top to bottom;
  • the front end of the front fork is provided with a locking device,
  • the rear fork is fixed with a fork vertical pipe frame, the front fork is inserted into the inner side of the open end of the front frame, the front fork and the front frame are connected by the front axle; the connecting
  • the fork vertical pipe rack comprises an upper plate with a round hole and a lower plate with a round hole, and a fork riser inner tube is arranged between the upper and lower plates; the front end of the connecting piece has a size matching with the inner tube of the fork riser
  • the outer tube of the fork riser tube is sleeved outside the inner tube of the fork riser tube, and can rotate around the inner tube of the fork riser tube.
  • the inner side of the inner end of the inner tube of the fork riser tube has a silk thread, and the upper and lower screw caps pass through the round hole to make it It is fixed on the fork vertical pipe rack.
  • the front fork and the connecting member are movably connected to the outer tube of the fork riser through the inner tube of the fork riser, and the purpose is to ensure safe steering of the vehicle body.
  • the rear end of the connecting member has a vertical circle with a middle shaft hole in the middle of the vertical circle; the front end of the lower frame is rounded, the vertical end has a vertical groove, and the middle of the vertical circle has a middle shaft hole, and the connecting piece
  • the vertical circle is inserted into the vertical groove of the lower frame of the vehicle, and the middle shaft is inserted through the middle shaft holes of the two to connect the two; the vertical circle of the connecting piece and the vertical circle of the lower frame have a finite convex station.
  • the function of the limit boss is that the lower frame and the connecting piece can be locked by gravity without being locked when the bicycle is deployed, and the folding and unfolding is convenient and quick.
  • the locking device comprises a latching baffle and a locking jaw, and the latching baffle is located between the forked stem frame and the front axle hole, and is locked in front of the front fork.
  • the lock is fastened to the front of the fork, and when the lock is tightened, the card baffle can be pressed against the front frame to fix the front fork and the front frame.
  • the advantages of the design here are that it enhances the fixing ability of the front frame and the front fork, has high safety performance, and is easy to fold and unfold: When riding, the front frame is rotated along the front axle to the position of the card stop, and tightened.
  • One end of the handlebar crossbar is fixedly connected to the inner side of a handlebar vertical rod by a rotating shaft, and an upwardly open card member is arranged inside the opposite handlebar vertical pole, and the handlebar crossbar can rotate around the rotating shaft Rotating, the other end of which snaps into the opening of the card to
  • the two handlebar vertical rods and the handlebar crossbar are tubular, respectively fixed on the outer side of the upper ends of the two handlebars, the two handlebars are staggered, the handlebars are radially grooved, and the scooter is folded when two The handlebar can be inserted through the notch on the handlebar.
  • the advantage of the design here is that the folding space of the handlebar is reduced, and the overall volume of the folded body is reduced.
  • the side of the lower frame of the vehicle is provided with a pedal, and the pedal is connected to the lower frame through a pivot and can be pivoted at an angle of 90 degrees to the side of the lower frame;
  • the transmission mechanism includes a wing plate and a web One end of the web is movably connected to the central shaft, and the other end is fixed with a curved rack.
  • the curved rack meshes with the teeth of the flywheel, and a limited position device is fixed under the lower frame of the lower frame; the wing passes
  • the pivot shaft is connected to the web and can be pivoted at an angle of 90 degrees to the web;
  • the flywheel guard is provided on both sides of the flywheel, and the flywheel guard and the flywheel teeth form a tooth groove;
  • the limiting device includes a limit position Bolts and springs, the limit bolts are fixed on the lower frame of the vehicle.
  • the limit bolts are equipped with springs, and one end of the spring is fixed on the web.
  • the flaps and pedals can be pivoted to be horizontally unfolded or stowed:
  • the flaps and pedals need to be rotated along their respective pivots to a horizontal state, and one can stand on one foot.
  • the other foot can realize the rotation of the curved rack transmission flywheel by stepping on the wing up and down, and then drive the rear wheel forward; when the scooter is folded, only the wing board and the pedal are respectively disposed along the respective pivot axes. Rotate up to complete the fold.
  • the transmission mechanism mentioned here may also be an existing transmission structure, including a crank, an ankle, a sprocket and a chain.
  • the crank drives the sprocket to rotate, and the sprocket drives the chain to rotate, thereby driving the flywheel to rotate.
  • the limit bolts limit the dislocation of the curved rack on the web, and the spring on the limit bolt can automatically reset the web.
  • the front wheel is provided with one bearing, and the outer ring of the bearing is suitablely and fixedly connected with the inner ring of the front wheel, and the front fork is fixedly connected with the inner ring of the bearing.
  • the design here uses a single bearing, which has the advantage that the front wheel does not have a long axle and is therefore easy to insert into the front wheel receiving groove.
  • the front wheel is provided with a plurality of bearings, a pair of wheel guards are disposed on both sides of the front wheel, a plurality of bearings are distributed between the wheel guards on both sides of the front wheel, and the front fork passes through the wheel guard and the plurality of bearings
  • the inner ring is fixedly connected, the outer ring of the bearing is inscribed with the inner ring of the front wheel, and the horizontal position of at least two bearings is below the horizontal diameter of the front wheel.
  • the design here uses multiple bearings that are tangent to the inner ring of the front wheel. The advantage is that the front wheel does not have a long axle, so it is easy to insert into the front wheel receiving groove; the hollow front wheel reserves space for the motor and battery pack.
  • a battery pack and a housing rotary motor are fixed between the wheel guards on both sides of the front wheel, the battery pack, the outer casing rotary motor and the start button are connected in series, and the start button is mounted on the top end of the handlebar vertical pole; the outer casing of the outer casing rotary motor
  • the inner ring of the front wheel and the tire rotate when the motor rotates; the inner side of the wheel guard on both sides of the front wheel has a battery pack matching the shape of the battery pack. Install the slot.
  • the outer casing of the outer casing rotary motor has gear teeth, and the groove on the groove of the inner ring of the front wheel also has gear teeth adapted thereto, the teeth on the outer casing of the rotary motor and the inner ring of the front wheel
  • the teeth on the slotted slot wall engage each other; the bearing rotates within the slot of the inner ring of the front wheel.
  • the toothed mesh transmission between the rotary motor and the inner ring of the front wheel greatly increases the driving efficiency of the front wheel by f3 ⁇ 4.
  • the portable scooter of the present invention has excellent technical effects such as safe riding, rapid folding deployment and compact size: safety riding is embodied in the frame with a locking device to make the frame safe during riding. Reliable; the rapid folding deployment is embodied in the setting of the limit boss at the interface, and the vehicle lower frame and the connecting piece can be fixed by gravity without locking when the bicycle is deployed. Folding and unfolding is convenient and quick; the small size is embodied in: The front and rear wheel receiving grooves are arranged on the front frame and the lower frame of the vehicle, so that the front and rear wheels can be respectively stored in the corresponding slots, thereby avoiding the unusable space in the traditional tubular frame. Disadvantages, in addition, there is no necessary seat cushion, seat tube vertical tube, upper tube, etc., so after folding, the volume is small, the weight is light, the folding speed is fast, and getting on and off is convenient and safe.
  • the invention adopts an 8-inch wheel, and the folded size is 50 cm X 20 cm X 8 cm, and the volume is about one quarter of the existing 6-inch A- bike bicycle, which truly realizes the generation.
  • the purpose of the car is portable.
  • the invention also adopts the battery pack driving to increase the riding distance, save the riding time, and has a wide use range.
  • the invention greatly reduces the bump caused by uneven road surface in the case of a small wheel.
  • the position of the center of gravity of the present invention is low, and there is no obstacle in the legs and feet when getting off the vehicle, and riding is very safe.
  • FIG. 1 is a schematic structural view of a scooter of the present invention
  • Figure 2 is a schematic structural view of the brake of the present invention.
  • FIG. 3 is a schematic structural view of a flywheel and a flywheel guard of the present invention.
  • Figure 4 is a schematic view showing the connection structure of the wing plate, the web and the flywheel of the present invention.
  • Figure 5 is a schematic view showing the structure of the card with the upward opening on the vertical bar of the handlebar of the present invention
  • Figure 6 is a schematic view showing the structure of the handlebar of the present invention.
  • Figure 7 is a schematic structural view of the front fork and the connecting member of the present invention.
  • Figure 8 is a schematic structural view of the connecting member and the vehicle lower frame of the present invention.
  • Figure 9 is a schematic exploded view showing the front frame, the front fork, the connecting member and the vehicle lower frame of the present invention.
  • Figure 10 is a schematic structural view of the scooter of the present invention after folding
  • Figure 11 is a schematic view showing the internal structure of the third embodiment of the present invention after removing the front wheel baffle;
  • Figure 12 is a schematic view of the front wheel baffle of the present invention.
  • Figure 13 is a schematic circuit diagram of the battery pack, the housing rotary motor and the start button of the present invention in series; wherein the battery pack can be charged with a rechargeable battery pack and charged through a charger socket.
  • a portable scooter comprising a handlebar vertical bar 3, a handlebar crossbar 2, a handlebar 1, a brake, a frame, a flywheel 27, a transmission mechanism, a front wheel 11 and a rear wheel 25, and a transmission mechanism mounted on the frame
  • the side is characterized in that the frame comprises a front frame 5, a lower frame 16, a front fork 10 and a connecting member 13; the front end of the front frame 5 has a handlebar vertical shaft 4 on both sides, and the front frame 5 passes through the vehicle
  • the 'vertical bar shaft 4 is respectively connected with two handlebar vertical bars 3, and the handlebar crossbar 2 is located between two handlebar vertical bars 3; the front frame 5 is provided with a rear wheel receiving groove 6 from the top to the bottom.
  • the front end of the front fork 10 is provided with a locking device, the rear portion of which is fixed with a fork vertical pipe frame 12, and the fork vertical pipe frame 12 includes a round hole Upper plate 31 and lower plate with round holes, and a fork riser inner tube 33 is assembled between the upper and lower plates;
  • the front end of the connecting member 13 has a fork riser outer tube 32 which is sized to fit the inner tube of the fork riser tube.
  • the fork riser outer tube 33 is sleeved outside the fork riser inner tube 32 and can be rotated around the fork riser inner tube 32.
  • the inside of the two ends of the riser inner tube 32 is provided with a thread, and the upper and lower screw covers 34, 35 are fixed to the fork vertical tube frame 12 through the round holes;
  • the middle portion of the connecting member 13 has a through handlebar insertion hole 14;
  • the rear end of the piece 13 is rounded with a center shaft hole in the middle of the vertical circle;
  • the front end of the lower frame 16 has a vertical shape, a vertical groove is formed at the front end of the vertical circle, and a central shaft hole is formed in the middle of the vertical circle.
  • the vertical circle of the connecting member 13 is inserted into the vertical groove of the underframe 16 of the vehicle, and the center shaft 15 runs through. Inserted in the middle shaft hole of the two to connect the two; the vertical circle of the connecting member 13 and the round frame of the lower frame 16 have a finite boss 30, and the limiting boss 30 functions as a lower frame and
  • the connecting piece can realize the non-locking fixing manner by gravity when the bicycle is deployed, and the folding and unfolding is convenient and quick;
  • the front fork 10 is inserted into the inside of the open end of the front frame 5, and the front fork 10 and the front frame 5 are connected by the front axle 9; the front fork 10 and the connecting member 13 are movably connected by the fork riser outer tube 32 and the fork riser inner tube 33.
  • the connecting member 13 and the undercarriage 16 are connected by a middle axle 15, and the lower frame 16 has a front wheel receiving groove 28 therethrough, and the rear end of the lower frame 16 has a hole through which the rear axle 26 is connected to the rear wheel 25. ;
  • the locking device comprises a latching baffle 36 and a locking clamp 8 between the fork vertical pipe frame 12 and the front axle hole, and the locking clamp 8 is in front of the front fork 10, when the locking clamp 8 is tightened
  • the retaining plate 36 can be pressed against the front frame 5 to fix the front fork 10 and the front frame 5.
  • the advantages of the design here are that the fixing ability of the front frame and the front fork is enhanced, the safety performance is high, and the folding deployment is easy: when the bicycle is required to be driven, the front frame 5 is rotated along the front axle 9 to the position of the card stop 36 , tighten the locking ⁇ 8 so that the front frame 5 is fixed between the card baffle 36 and the locking cymbal 8; when folding is required, the locking yoke 8 is loosened, and the front frame 5 is oriented along the front axle 9 The front wheel 11 and the rear wheel 25 are respectively dropped into the front wheel receiving groove 7 and the rear wheel receiving groove 6 of the front frame 5.
  • One end of the handlebar crossbar 2 is fixedly connected to the inner side of the handlebar vertical rod 3 by a rotating shaft, and an upwardly open card member 37 is disposed inside the opposite handlebar vertical rod 3, and the handlebar crossbar 2 can rotate around the rotating shaft, and the other end is snapped into the opening of the card member 37 to fix the two handlebars 2 and the handlebar vertical rod 3;
  • the two handlebars 1 are tubular and are respectively fixed to the handlebars of the two handlebars.
  • the two axles of the two handles are staggered, and the handlebar 1 is slotted in the radial direction.
  • the scooter is folded, the two handlebars can be inserted through the notches on the handlebar 1.
  • the advantage of the design here is that the folding space of the handlebar 1 is reduced, and the overall volume of the folded body is reduced.
  • One side of the lower frame 16 is provided with a pedal 21, and the pedal 21 is connected to the underframe 16 through a pivot and can be pivoted at a 90 degree angle to the side of the underframe 16; the transmission mechanism is disposed under the vehicle.
  • the other side of the frame 16 includes a flap 22 and a web 23. One end of the web 23 is movably connected to the center shaft 15, and the other end is fixed with a curved rack 24, a curved rack 24 and a wheel of the flywheel 27.
  • the teeth are engaged, and a limiting device is fixed below the web 26 of the lower frame 16; the wing 23 is pivotally connected to the web 23 and can be pivoted at a 90 degree angle to the web 23; both sides of the flywheel 27 A flywheel guard 39 is provided, and the flywheel guard 39 and the flywheel teeth form a slot 38.
  • the flap 22 and the pedal 21 can be pivoted in a horizontally unfolded state or in a stowed state: when the scooter is riding, the flap 22 and the pedal 21 need only be rotated along the respective pivots to a horizontal state, and the One foot stands on the pedal 21, and the other foot can realize the rotation of the curved rack 24 to drive the flywheel 27 by stepping on the flap 22 up and down, thereby driving the rear wheel 25 to advance; when the scooter is folded, only the wing is required
  • the pedal 22 and the pedal 21 are respectively rotated in respective pivotal directions to complete the folding.
  • the transmission mechanism mentioned here may also be an existing transmission structure, including a crank, an ankle, a sprocket and a chain. The crank drives the sprocket to rotate, and the sprocket drives the chain to rotate, thereby driving the flywheel to rotate.
  • the limiting device includes a limiting bolt 18 and a spring 17, and the limiting bolt 18 is fixed on the lower frame 16 of the vehicle.
  • the limiting bolt 18 is provided with a spring 17, and one end of the spring 17 is fixed on the web 23.
  • the limit bolt 18 limits the arcuate rack 24 on the web 23 to dislocate, and the limit bolt 18 is provided with a spring 17 to automatically reset the web 23.
  • the front wheel 11 is provided with a bearing, and the outer ring of the bearing is suitablely and fixedly connected with the inner ring of the front wheel, and the front fork is fixedly connected with the inner ring of the bearing.
  • the design here uses a single bearing, which has the advantage that the front wheel does not have a long axle and is therefore easily inserted into the front wheel receiving groove.
  • the brake is a conventional brake brake device, and any brake mode application and the present invention are within the scope of the present invention.
  • the brake is preferably one of the following, and is specifically described as follows:
  • the brake includes a brake pedal 19, a brake link 20, and a brake pad 40.
  • the brake link is L-shaped, the front end is upturned and the inner upper side is provided with a pivot, and the brake pedal 19 is provided. Solidify by pivot Positioned on the front end of the connecting rod 20 and can be pivoted outwardly to position the brake pedal plane and the brake link 20 at a right angle position; the limit bolt opening 42 is opened at a position close to the brake pedal 19 at the front end of the brake link 20;
  • the rear end of the rod 20 is bent inwardly and has a U-shaped frame shape.
  • the U-shaped frame has a shaft hole.
  • the connecting rod shaft 29 mounts the brake link 20 to the right side of the lower frame 16 through the shaft hole, so that the brake link 20 is located.
  • the brake pedal 19 thereon is located in front of the front of the wing 22, and the limit bolt 18 on the lower frame 16 extends from the limit bolt opening 42 of the brake link to limit the brake.
  • the brake frame 20 has a brake pad 40 on the bottom of the U-shaped frame at the rear end of the brake link 20, and the brake pad 40 is close to the rear wheel 25; when the brake pedal 19 is depressed, the link shaft 29 is used as a fulcrum, and the brake link is made by the principle of the lever
  • the brake piece 40 at the rear end of the 20 is displaced and applied to the rear wheel 25 to apply the brake force to the brake; in order to prevent the brake pad 40 from functioning during normal running, the brake is provided at the outer end of the link shaft 29
  • the return spring 41 is used for resetting.
  • a portable scooter wherein the front wheel 11 is provided with three bearings 44, and a pair of wheel guards 48 are disposed on both sides of the front wheel 11, and three bearings 44 are provided. Disposed between the wheel guards 48 on both sides of the front wheel 11, the front fork 10 is fixedly connected to the inner ring of the three bearings 44 through the wheel guard 48, and the outer ring of the bearing is inscribed with the inner ring of the front wheel 11, The horizontal position of at least two bearings is below the horizontal diameter of the front wheel 11.
  • the design here uses three bearings that are tangent to the inner ring of the front wheel. The advantage is that the front wheel does not have a long axle and is easily inserted into the front wheel receiving groove 28.
  • a portable scooter according to Embodiment 2 wherein a difference between the wheel guards 48 on both sides of the front wheel 11 is fixed with a battery pack 45 and a housing rotary motor 46, and the battery pack 45 and the housing are rotated.
  • the motor 46 and the start button 54 are connected in series, and the start button 54 is mounted on the top end of the handlebar vertical rod 3; the outer casing of the outer casing rotary motor 46 is closely matched with the slot wall 47 of the front wheel inner ring slot, and the front wheel 11 is driven when the motor rotates.
  • the tire 43 rotates;
  • the groove wall 47 of the front wheel inner ring groove also has the gear teeth matched thereto, the teeth on the outer casing of the rotary motor 46 and the groove wall 47 of the front wheel inner ring groove The teeth mesh with each other; the bearing 44 rotates within the slot of the inner ring of the front wheel.
  • the inside of the wheel guard 48 on both sides of the front wheel has a battery pack slot 51 that matches the outer shape of the battery pack 45.
  • the advantage of the design here is that in the case where the battery pack 45 is fixedly connected to the wheel guard 48, the battery pack 45 is embedded in the battery pack mounting groove 51, thereby increasing the stability of the battery pack and ensuring safe driving.
  • the battery pack 45 described herein can be selected from a rechargeable battery pack.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Motorcycle And Bicycle Frame (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)

Description

一种便携式代步车 技术领域
本发明涉及一种便携式代步车， 属折叠自行车技术领域。
背景技术
自行车是目前应用比较广泛的一种个人交通工具。 为了便于携带， 人们发明了各种各样 的折叠自行车,所采用的技术一般是对折、 伸缩等。 折叠后的自行车尽管体积小了不少， 但携 带起来仍然很不方便。 如目前说被认为是世界上最小的折叠自行车 A-bike， 参见 http：〃 www. a— bike. com. cn， 折叠后的 A-bike自行车仍然有 67厘米 x 30厘米 x 16厘米; 小尺寸的车轮对路面的平整度要求较高， 否则行走起来就会很颠簸。 其他折叠自行车， 体积 更大， 携带起来更不方便。
发明内容
本发明目的是提供一种体积小巧， 携带方便且书骑行安全的便携式代步车。
为实现上述目的， 本发明采用了以下技术方案：
一种便携式代步车， 包括车把竖杆、 车把横杆、 车把、 制动器、 车架、 飞轮、 传动机构、 前轮及后轮， 传动机构和飞轮安装在车架的一侧； 其特征在于， 车架包括车前架、 车下架、 前叉和连接件； 车前架的上端两侧有车把竖杆轴， 车前架通过车把竖杆轴分别与 2个车把竖 杆相连， 车把横杆位于 2个车把竖杆之间； 车前架自上而下设置有后轮收槽、 前轮收槽和开 衩端； 前叉的前端设置有锁紧装置， 其后部固定有叉立管架， 前叉插入车前架的开衩端内侧， 前叉和车前架通过前轴相连； 连接件通过叉立管架与前叉相连， 连接件与车下架通过中轴相 连， 连接件上有车把插孔； 所述车下架上有前轮收槽； 车前轮与前叉相连； 后轮通过后轴与 车下架相连。
所述叉立管架包括带圆孔的上平板和带圆孔的下平板， 在上、 下平板之间装配叉立管内 管； 连接件的前端带有一个与叉立管内管大小相适配的叉立管外管， 叉立管外管套在叉立管 内管外， 能绕叉立管内管转动， 叉立管内管两开口端内侧带有丝紋， 由上下螺丝盖通过圆孔 将其固定在叉立管架上。 所述的前叉和连接件通过叉立管内管与叉立管外管的活动连接， 目 的在于确保车体安全转向。
所述连接件的后端呈立圆形， 立圆中间带有中轴孔； 车下架的前端呈立圆形， 立圆前端 开有竖槽， 立圆中间带有中轴孔， 连接件的立圆插入车下架立圆的竖槽内， 中轴贯穿插在两 者的中轴孔中将两者相连接； 连接件的立圆和车下架立圆的界面处带有限位凸台。 限位凸台 的作用在于车下架与连接件在展开骑行时能靠重力实现无锁紧的固定方式， 折叠展开方便快 捷。
所述锁紧装置包括卡位挡板和锁紧玥， 卡位挡板位于叉立管架和前轴孔之间， 锁紧玥在 前叉前面。 锁紧玥在前叉前面， 旋紧锁紧玥时能使卡位挡板对车前架产生挤压力从而使前叉 和车前架固定。 此处设计的优点在于， 增强车前架和前叉的固定能力， 安全性能高， 而且便 于折叠展开： 当需要骑行时， 将车前架沿前轴旋转至卡位挡板位置， 旋紧锁紧玥， 使车前架 固定在卡位挡板和锁紧玥之间； 当需要折叠时， 旋松锁紧玥， 将车前架沿前轴向前转动， 使 前轮和后轮分别落入车前架的前轮收槽和后轮收槽中。
所述的车把横杆的一端由旋转轴将其固定连接在一车把竖杆的内侧上， 在相对的车把竖 杆内侧设置有向上开口的卡件， 车把横杆能绕旋转轴转动， 其另一端卡入卡件的开口中， 以
确认本 固定两车把竖杆和车把横杆； 两车把为管状， 分别固定在两车把竖杆的上端外侧， 两车把轴 心错开， 车把沿径向幵槽， 代步车折叠时两车把能通过车把上的槽口进行对插。 此处设计的 优点在于， 缩减车把的折叠空间， 减小折叠后车体的整体体积。
所述的车下架的一侧设置有踏板， 踏板通过枢轴与车下架相连接并能绕枢轴展幵与车下 架侧面呈 90度角； 所述传动机构包括翼板和腹板， 腹板的一端与中轴活动连接， 其另一端固 定有一个弧形齿条， 弧形齿条与飞轮的轮齿相咬合， 在车下架腹板的下方固定有限位装置； 翼板通过枢轴与腹板相连接并能绕枢轴展开与腹板呈 90度角； 飞轮两侧设置有飞轮护板， 飞 轮护板与飞轮轮齿形成齿槽； 所述的限位装置包括限位螺栓和弹簧， 限位螺栓固定在车下架 上， 限位螺栓上装有弹簧， 弹簧的一端固定在腹板上。 翼板和踏板可以绕枢轴旋转呈水平展 开状态或收起状态： 当本代步车骑行时， 只需将翼板和踏板分别沿各自的枢轴旋转至水平状 态， 人们可以一只脚站立在踏板上， 另一只脚可以通过上下踩踏翼板实现弧形齿条传动飞轮 转动， 进而带动后轮前进； 当本代步车折叠时， 只需将翼板和踏板分别沿各自的枢轴向上旋 转， 完成折叠。 此处所说的传动机构还可以是现有的传动结构， 包括曲柄、 脚蹬、 链轮和链 条， 曲柄带动链轮转动， 链轮带动链条转动， 进而带动飞轮转动。 限位螺栓限制腹板上的弧 形齿条脱位， 限位螺栓上装有弹簧能使腹板自动复位。
所述的前轮内设置有 1个轴承， 轴承的外圈与前轮内圈大小相适合且固定连接， 前叉与 轴承的内圈固定连接。 此处设计采用单个轴承， 优点在于前轮没有较长的轮轴， 从而容易插 入前轮收槽内。
所述的前轮内设置有多个轴承， 前轮两侧设置有一对车轮护板， 多个轴承分布在前轮的 两侧的车轮护板之间， 前叉通过车轮护板与多个轴承的内圈固定连接， 轴承的外圈与前轮内 圈相内切， 至少两个轴承的水平位置在前轮的水平直径以下。 此处设计采用多个轴承分别与 前轮内圈相切， 优点在于前轮没有较长的轮轴， 从而容易插入前轮收槽内； 中空的前轮为电 动机和电池组预留空间。
所述前轮两侧的车轮护板之间固定有电池组和外壳旋转式电动机， 电池组、 外壳旋转式 电动机和启动按钮串联， 启动按钮装在车把竖杆顶端； 外壳旋转式电动机的外壳与前轮内圈 开槽的槽壁紧密相切配合， 电动机转动时带动前轮内圈和轮胎转动； 所述前轮两侧的车轮护 板的内侧带有与电池组外形相匹配的电池组安装槽。 此处设计的优点在于， 在电池组与车轮 护板固定连接的情况下， 将电池组嵌入电池组安装槽内， 增加电池组的稳固性， 确保行驶安 全。
所述外壳旋转式电动机的外壳上带有轮齿， 在前轮内圈开槽的槽壁上也带有与其相适配 的轮齿， 旋转式电动机的外壳上的轮齿和前轮内圈开槽的槽壁上的轮齿相互咬合； 轴承在前 轮内圈的开槽内转动。 旋转式电动机和前轮内圈之间采用轮齿咬合传动， 使前轮的驱动效率 大大提 f¾。
本发明的折叠过程：
1 )将连接件 13沿中轴 15顺时针转动， 直至前轮 11落入车下架 16中的前轮收槽 28中；
2)将锁紧玥 8向垂直方向旋转， 将车前架 5沿前轴 9顺时针转动， 车前架 5上的前轮收 槽 7和后轮收槽 6分别与前轮 11和后轮 25相对应， 前轮 11与后轮 25分别落入车前架 5的 前轮收槽 7和后轮收槽 6中；
3 ) 将车把横杆 2的一端从卡件 37中转出， 两侧的车把竖杆 3分别沿车把竖杆轴 4向前 轮方向旋转， 将两车把 1穿过车把插孔 14， 最后通过车把上的槽口进行对插；
4 ) 将踏板 21和翼板 22分别向上收起， 完成代步车的折叠。
本发明的优势在于：
1.本发明所述的便携式代步车具有安全骑行、快速折叠展开和体积小巧等优良技术效果： 安全骑行体现在， 车架上配有锁紧装置， 使车架在骑行过程中安全可靠； 快速折叠展开体现 在， 在界面处设置限位凸台， 车下架与连接件在展开骑行时能靠重力实现无锁紧的固定方式， 折叠展开方便快捷； 体积小巧体现在： 在车前架和车下架上设置有前后轮收槽， 使前后轮能 分别收纳到相应的槽中， 避免了传统管型车架内空间无法利用的缺点， 加之也没有一般自行 车必备的座垫、 座垫竖管、 上管等， 所以折叠后体积小、 重量轻、 折叠速度快， 上下车既方 便又安全。
2.本发明在采用 8英寸车轮的情况下， 折叠后的尺寸为 50厘米 X 20厘米 X 8厘米， 体 积约为现有 6英寸 A- bike自行车的四分之一， 真正意义上实现了代步车便携的目的。
3.本发明还采用电池组驱动增加骑行距离， 节约骑行时间， 使用范围广。
4.本发明在车轮较小的情况下， 大大减少了路面不平引起的颠簸。
5.本发明重心位置低、 下车时腿和脚没有任何障碍， 骑行非常安全。
附图说明
图 1是本发明代步车的结构示意图；
图 2是本发明制动器的结构示意图；
图 3是本发明飞轮和飞轮护板的结构示意图；
图 4是本发明翼板、 腹板和飞轮连接结构示意图；
图 5是本发明车把竖杆上的带向上开口的卡件结构示意图；
图 6是本发明车把的结构示意图。
图 7 是本发明前叉及连接件的结构示意图；
图 8是本发明连接件及车下架结构示意图；
图 9是本发明车前架、 前叉、 连接件及车下架连接后展开结构示意图；
图 10是本发明代步车折叠后的结构示意图；
图 11 是本发明实施例 3除去前轮挡板后的内部结构示意图；
图 12 是本发明前轮挡板的示意图；
图 13 是本发明电池组、 外壳旋转式电动机和启动按钮串联的电路原理图； 其中电池组 可选用可充电的电池组， 通过充电器插座对其进行充电。
其中： 1、 车把， 2、 车把横杆， 3、 车把竖杆， 4、 车把竖杆轴， 5、 车前架， 6、 后轮收 槽， 7、 前轮收槽， 8、 锁紧钥， 9、 前轴， 10、 前叉， 11、 前轮， 12、 叉立管架， 13、 连接件， 14、 车把插孔， 15、 中轴， 16、 车下架， 17、 弹簧， 18、 限位螺栓， 19、 刹车踏板， 20、 刹 车连杆， 21、 踏板， 22、 翼板， 23、 腹板， 24、 弧形齿条， 25、 后轮， 26、 后轴， 27、 飞轮， 28、 前轮收槽， 29、 连杆轴， 30、 限位凸台， 31、 叉立管架带圆孔的上平板， 32、 叉立管外 管， 33、 叉立管内管， 34、 上螺丝盖， 35、 下螺丝盖， 36、 卡位挡板， 37、 卡件， 38、 齿槽， 39、 车轮护板， 40、 制动片， 41、 刹车复位弹簧， 42、 限位螺栓开口， 43、 轮胎， 44、 轴承， 45、 电池组， 46、 外壳旋转式电动机， 47、 车轮内圈开槽的槽壁， 48、 前轮护板， 49、 轴承 安装孔， 50、 电动机轴安装孔， 51、 电池组安装槽， 52、 引线孔， 53、 电池组充电引线插座， 54、 启动按钮。
具体实施方式
实施例 1、
一种便携式代步车， 包括车把竖杆 3、 车把横杆 2、 车把 1、 制动器、 车架、 飞轮 27、 传 动机构、 前轮 11及后轮 25， 传动机构装在车架的一侧， 其特征在于， 车架包括车前架 5、 车 下架 16、 前叉 10和连接件 13 ; 车前架 5的上端两侧带有车把竖杆轴 4， 车前架 5通过车把 '竖杆轴 4分别与 2个车把竖杆 3相连， 车把横杆 2位于 2个车把竖杆 3之间； 车前架 5自上 而下设置有后轮收槽 6、 前轮收槽 7和开衩端；
前叉 10的前端设置有锁紧装置， 其后部固定有叉立管架 12， 叉立管架 12包括带圆孔的 上平板 31和带圆孔的下平板， 在上、 下平板之间装配叉立管内管 33 ;
连接件 13的前端带有一个与叉立管内管大小相适配的叉立管外管 32， 叉立管外管 33套 在叉立管内管 32外， 能绕叉立管内管 32转动， 叉立管内管 32两开口端内侧带有丝纹， 由上 下螺丝盖 34、 35通过圆孔将其固定在叉立管架 12上； 连接件 13的中部有一个贯通的车把插 孔 14; 连接件 13的后端呈立圆形， 立圆中间带有中轴孔；
车下架 16的前端呈立圆形， 立圆前端开有竖槽， 立圆中间带有中轴孔， 连接件 13的立 圆插入车下架 16立圆的竖槽内， 中轴 15贯穿插在两者的中轴孔中将两者相连接； 连接件 13 的立圆和车下架 16立圆的界面处带有限位凸台 30， 限位凸台 30的作用在于车下架与连接件 在展开骑行时能靠重力实现无锁紧的固定方式， 折叠展开方便快捷；
前叉 10插入车前架 5的开衩端内侧， 前叉 10和车前架 5通过前轴 9相连； 前叉 10和连 接件 13通过叉立管外管 32和叉立管内管 33活动连接； 连接件 13和车下架 16通过中轴 15 相连， 车下架 16上带有贯通的前轮收槽 28， 车下架 16的后端带有孔洞， 通过后轴 26与后 轮 25连接；
锁紧装置包括卡位挡板 36和锁紧玥 8, 卡位挡板 36位于叉立管架 12和前轴孔之间， 锁 紧玥 8在前叉 10前面， 旋紧锁紧玥 8时能使卡位挡板 36对车前架 5产生挤压力从而使前叉 10和车前架 5固定。 此处设计的优点在于， 增强车前架和前叉的固定能力， 安全性能高， 而 且便于折叠展开： 当需要骑行时， 将车前架 5沿前轴 9旋转至卡位挡板 36位置， 旋紧锁紧玥 8， 使车前架 5固定在卡位挡板 36和锁紧玥 8之间； 当需要折叠时， 旋松锁紧玥 8， 将车前 架 5沿前轴 9向前转动， 使前轮 11和后轮 25分别落入车前架 5的前轮收槽 7和后轮收槽 6 中。
所述的车把横杆 2的一端由旋转轴将其固定连接在一车把竖杆 3的内侧上， 在相对的车 把竖杆 3内侧设置有向上开口的卡件 37, 车把横杆 2能绕旋转轴转动， 其另一端卡入卡件 37 的开口中， 以固定两车把横杆 2和车把竖杆 3 ; 两车把 1为管状， 分别固定在两车把竖杆的 上端外侧， 两车把 1轴心错开， 车把 1沿径向开槽。 代步车折叠时两车把能通过车把 1上的 槽口进行对插。 此处设计的优点在于， 缩减车把 1的折叠空间， 减小折叠后车体的整体体积。
所述的车下架 16的一侧设置有踏板 21， 踏板 21通过枢轴与车下架 16相连接并能绕枢 轴展开与车下架 16侧面呈 90度角； 传动机构设置在车下架 16的另一侧， 包括翼板 22和腹 板 23， 腹板 23的一端与中轴 15活动连接， 其另一端固定有一个弧形齿条 24， 弧形齿条 24 与飞轮 27的轮齿相咬合， 在车下架 16腹板 26的下方固定有限位装置； 翼板 23通过枢轴与 腹板 23相连接并能绕枢轴展开与腹板 23呈 90度角； 飞轮 27两侧设置有飞轮护板 39， 飞轮 护板 39与飞轮轮齿形成齿槽 38。 翼板 22和踏板 21可以绕枢轴旋转呈水平展开状态或收起 状态： 当本代步车骑行时， 只需将翼板 22和踏板 21分别沿各自的枢轴旋转至水平状态， 人 们可以一只脚站立在踏板 21上，另一只脚可以通过上下踩踏翼板 22实现弧形齿条 24传动飞 轮 27转动， 进而带动后轮 25前进； 当本代步车折叠时， 只需将翼板 22和踏板 21分别沿各 自的枢轴向上旋转， 完成折叠。 此处所说的传动机构还可以是现有的传动结构， 包括曲柄、 脚蹬、 链轮和链条， 曲柄带动链轮转动， 链轮带动链条转动， 进而带动飞轮转动。
所述的限位装置包括限位螺栓 18和弹簧 17， 限位螺栓 18固定在车下架 16上， 限位螺 栓 18上装有弹簧 17， 弹簧 17的一端固定在腹板 23上。 限位螺栓 18限制腹板 23上的弧形 齿条 24脱位， 限位螺栓 18上装有弹簧 17能使腹板 23自动复位。
所述的前轮 11内设置有 1个轴承， 轴承的外圈与前轮内圈大小相适合且固定连接， 前叉 与轴承的内圈固定连接。 此处设计采用单个轴承， 优点在于前轮没有较长的轮轴， 从而容易 插入前轮收槽内。
所述的制动器是常规的刹车制动装置， 任何刹车方式应用与本发明均属于本发明的保护 范围之内。 此处制动器优选以下一种， 具体描述如下： 制动器包括刹车踏板 19、 刹车连杆 20 和制动片 40， 刹车连杆呈 L型， 前端上翘且内上侧装有枢轴， 刹车踏板 19通过枢轴将其固 定在连杆 20前端上并能绕枢轴向外转动使刹车踏板平面和刹车连杆 20定位在直角位置； 在 刹车连杆 20前端靠近刹车踏板 19的位置开有限位螺栓开口 42; 刹车连杆 20后端内弯且横 向呈 U型框状， U型框上带有轴孔， 连杆轴 29通过轴孔将刹车连杆 20装在车下架 16右侧， 使得刹车连杆 20位于踏板 21的下方， 其上的刹车踏板 19位于翼板 22前上方， 车下架 16上 的限位螺栓 18从刹车连杆的限位螺栓开口 42处伸出， 对制动器起到限位的作用； 刹车连杆 20后端的 U型框底上带有制动片 40， 制动片 40贴近后轮 25; 当踩刹车踏板 19时， 以连杆 轴 29作为支点， 通过杠杆原理使得刹车连杆 20后端的制动片 40产生位移并贴合在后轮 25 上对其施以踏刹制动力； 为使制动片 40在正常行驶时不起作用， 在连杆轴 29外端装有刹车 复位弹簧 41用于复位。
本实施例所述便携式代步车的折叠过程：
1 )将连接件 13沿中轴 15顺时针转动， 直至前轮 11落入车下架 16中的前轮收槽 28中；
2 )将锁紧玥 8打开， 将车前架 5沿前轴 9顺时针转动， 车前架 5上的前轮收槽 7和后轮 收槽 6分别与前轮 11和后轮 25对应， 前轮 11与后轮 25分别落入车前架的前轮收槽 7和后 轮收槽 6中；
3 ) 将车把横杆 2的一端从卡件 37中取出， 两侧的车把竖杆 3分别沿车把竖杆轴向前轮 11方向旋转， 将两车把 1穿过车把插孔 14， 最后通过车把 1上的槽口进行对插；
4 ) 将踏板 21和翼板 22分别向上收起， 完成代步车的折叠。
实施例 2、
如实施例 1所述的一种便携式代步车， 其区别在于， 所述的前轮 11 内设置有 3个轴承 44， 所述前轮 11两侧设置有一对车轮护板 48， 3个轴承 44分布在前轮 11的两侧的车轮护板 48之间， 前叉 10通过车轮护板 48与 3个轴承 44的内圈固定连接， 轴承的外圈与前轮 11的 内圈相内切， 至少两个轴承的水平位置在前轮 11的水平直径以下。此处设计采用 3个轴承分 别与前轮内圈相切， 优点在于前轮没有较长的轮轴， 从而容易插入前轮收槽 28内。
实施例 3、
如实施例 2所述的一种便携式代步车， 其区别在于， 所述前轮 11两侧的车轮护 48板之 间固定有电池组 45和外壳旋转式电动机 46， 电池组 45、 外壳旋转式电动机 46和启动按钮 54串联， 启动按钮 54装在车把竖杆 3顶端； 外壳旋转式电动机 46的外壳与前轮内圈开槽的 槽壁 47紧密相切配合， 电动机转动时带动前轮 11和轮胎 43转动； 在前轮内圈开槽的槽壁 47上也带 与其相适配的轮齿， 旋转式电动机 46的外壳上的轮齿和前轮内圈开槽的槽壁 47 上的轮齿相互咬合； 轴承 44在前轮内圈的开槽内转动。 所述前轮两侧的车轮护板 48的内侧 带有与电池组 45外形相匹配的电池组安装槽 51。 此处设计的优点在于， 在电池组 45与车轮 护板 48固定连接的情况下， 将电池组 45嵌入电池组安装槽 51内， 增加电池组的稳固性， 确 保行驶安全。 此处所述的电池组 45可选用充电电池组。

Claims

权 利 要 求 书
1、 一种便携式代步车， 包括车把竖杆、 车把横杆、 车把、 制动器、 车架、 飞轮、 传动机 构、 前轮及后轮， 传动机构和飞轮安装在车架的一侧； 其特征在于， 车架包括车前架、 车下 架、 前叉和连接件； 车前架的上端两侧有车把竖杆轴， 车前架通过车把竖杆轴分别与 2个车 把竖杆相连， 车把横杆位于 2个车把竖杆之间； 车前架自上而下设置有后轮收槽、 前轮收槽 和开衩端； 前叉的前端设置有锁紧装置， 其后部固定有叉立管架， 前叉插入车前架的开衩端 内侧， 前叉和车前架通过前轴相连； 连接件通过叉立管架与前叉相连， 连接件与车下架通过 中轴相连， 连接件上有车把插孔； 所述车下架上有前轮收槽； 车前轮与前叉相连； 后轮通过 后轴与车下架相连。
2、如权利要求 1所述的一种便携式代步车， 其特征在于， 所述叉立管架包括带圆孔的上 平板和带圆孔的下平板， 在上、 下平板之间装配叉立管内管； 连接件的前端带有一个与叉立 管内管大小相适配的叉立管外管， 叉立管外管套在叉立管内管外， 能绕叉立管内管转动， 叉 立管内管两开口端内侧带有丝纹， 由上下螺丝盖通过圆孔将其固定在叉立管架上。
3、 如权利要求 1所述的一种便携式代步车， 其特征在于， 所述连接件的后端呈立圆形， 立圆中间带有中轴孔； 车下架的前端呈立圆形， 立圆前端开有竖槽， 立圆中间带有中轴孔， 连接件的立圆插入车下架立圆的竖槽内， 中轴贯穿插在两者的中轴孔中将两者相连接； 连接 件的立圆和车下架立圆的界面处带有限位凸台。
4、 如权利要求 1所述的一种便携式代步车， 其特征在于， 所述锁紧装置包括卡位挡板和 锁紧玥， 卡位挡板位于叉立管架和前轴孔之间， 锁紧玥在前叉前面。
5、 如权利要求 1所述的便携式代步车， 其特征在于， 所述的车把横杆的一端由旋转轴将 其固定连接在一车把竖杆的内侧上， 在相对的车把竖杆内侧设置有向上开口的卡件， 车把横 杆能绕旋转轴转动， 其另一端卡入卡件的开口中， 以固定两车把竖杆和车把横杆； 两车把为 管状， 分别固定在两车把竖杆的上端外侧， 两车把轴心错开， 车把沿径向开槽， 代步车折叠 时两车把能通过车把上的槽口进行对插。
6、 如权利要求 1所述的便携式代步车， 其特征在于， 所述的车下架的一侧设置有踏板， 踏板通过枢轴与车下架相连接并能绕枢轴展开与车下架侧面呈 90度角；所述传动机构包括翼 板和腹板， 腹板的一端与中轴活动连接， 其另一端固定有一个弧形齿条， 弧形齿条与飞轮的 轮齿相咬合， 在车下架腹板的下方固定有限位装置； 翼板通过枢轴与腹板相连接并能绕枢轴 展开与腹板呈 90度角； 飞轮两侧设置有飞轮护板， 飞轮护板与飞轮轮齿形成齿槽； 所述的限 位装置包括限位螺栓和弹簧， 限位螺栓固定在车下架上， 限位螺栓上装有弹簧， 弹簧的一端 固定在腹板上。
7、 如权利要求 1所述的便携式代步车， 其特征在于， 所述的前轮内设置有 1个轴承， 轴 承的外圈与前轮内圈大小相适合且固定连接， 前叉与轴承的内圈固定连接。
8、 如权利要求 1所述的便携式代步车， 其特征在于， 所述的前轮内设置有多个轴承， 前 轮两侧设置有一对车轮护板， 多个轴承分布在前轮的两侧的车轮护板之间， 前叉通过车轮护 板与多个轴承的内圈固定连接， 轴承的外圈与前轮内圈相内切， 至少两个轴承的水平位置在 前轮的水平直径以下。
9、 如权利要求 8所述的便携式代步车， 其特征在于， 所述前轮两侧的车轮护板之间固定 有电池组和外壳旋转式电动机， 电池组、 外壳旋转式电动机和启动按钮串联， 启动按钮装在 车把竖杆顶端； 外壳旋转式电动机的外壳与前轮内圈开槽的槽壁紧密相切配合， 电动机转动 时带动前轮内圈和轮胎转动； 所述前轮两侧的车轮护板的内侧带有与电池组外形相匹配的电 池组安装槽。
10、 如权利要求 9所述的便携式代步车， 其特征在于， 所述外壳旋转式电动机的外壳上 带有轮齿， 在前轮内圈开槽的槽壁上也带有与其相适配的轮齿， 旋转式电动机的外壳上的轮 齿和前轮内圈开槽的槽壁上的轮齿相互咬合； 轴承在前轮内圈的开槽内转动。
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