WO2011082515A1 - 可折叠踏行车 - Google Patents

可折叠踏行车 Download PDF

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Publication number
WO2011082515A1
WO2011082515A1 PCT/CN2010/002043 CN2010002043W WO2011082515A1 WO 2011082515 A1 WO2011082515 A1 WO 2011082515A1 CN 2010002043 W CN2010002043 W CN 2010002043W WO 2011082515 A1 WO2011082515 A1 WO 2011082515A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaft
hole
wheel
sprocket
connecting rod
Prior art date
Application number
PCT/CN2010/002043
Other languages
English (en)
French (fr)
Inventor
史真亮
赵洪亮
王捧社
史晓宇
Original Assignee
Shi Zhenliang
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 Shi Zhenliang filed Critical Shi Zhenliang
Publication of WO2011082515A1 publication Critical patent/WO2011082515A1/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62KCYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K3/00Bicycles
    • B62K3/002Bicycles 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M1/00Rider propulsion of wheeled vehicles
    • B62M1/24Rider propulsion of wheeled vehicles with reciprocating levers, e.g. foot levers
    • B62M1/26Rider propulsion of wheeled vehicles with reciprocating levers, e.g. foot levers characterised by rotary cranks combined with reciprocating levers

Definitions

  • the present invention relates to a walking vehicle that can stand up and down, and particularly relates to a two-wheeled folding bicycle that is provided with a driving device on a body similar to a scooter and that drives the rear wheel to rotate.
  • the "200380106985. 6" drive device with its structural arrangement is not reasonable enough, especially the fixing device which is arranged at the rear end of the underframe of the vehicle body, and the shape convexity causes the foot to be easily inconvenient to collide with the friction when the person steps.
  • the object of the present invention is to fundamentally overcome the above drawbacks and provide a shape and size similar to that of a scooter.
  • a driving device is arranged on the vehicle body, and the front wheel is a steering wheel, which is larger than the rear wheel, and can improve the passing of the treadmill. Sex.
  • the rear wheel is a driving wheel, which is smaller than the front wheel and reduces the volume of the whole vehicle, which is convenient for the user to step up and down.
  • the front frame and the rear frame are folded freely, and have a folding function.
  • the two-wheeled folding bicycle that always uses the sprocket shaft, the wheel and the chain directly drives the rear wheel to rotate.
  • the present invention is implemented in such a manner that the foldable stepping bicycle uses two feet to step on the foot pedals disposed on both sides of the frame, and the two foot pedals are respectively connected to the crank connecting rods on the main shaft of the driving shaft, when the double When the pedal is pedaling, the rotation of the main shaft sprocket shaft of the drive shaft is driven, and the force is sequentially transmitted through the chain connection on the sprocket shaft.
  • the rotation of the two-wheel axle or the three-chain axle finally drives the rotation of the rear wheel, so that the pedaling vehicle runs smoothly and smoothly.
  • the foldable bicycle in the invention includes: a front wheel of the steering wheel (larger than the rear wheel), and the front wheel is turned by the control of the handlebar.
  • a driving wheel rear wheel (smaller than the front wheel), the driving wheel rear wheel drives the driving device by stepping on a foot pedal connected at both ends of the main shaft sprocket shaft of the driving shaft to drive the rear wheel to rotate.
  • the vehicle body disposed between the two wheels is composed of a front frame provided at the front end of the vehicle body, the rear wheel is disposed at the front end of the vehicle body, and the front frame of the vehicle body is disposed at the front wheel Above, the front frame is provided with a locking slide hole, and a quick-release locking screw (for locking the front frame of the vehicle body to be fixed and fixed at the rear frame).
  • the middle (rear) part of the front frame is provided with a connecting hole, and a fixing screw is installed (for fixing the connection of the front frame to the rear frame).
  • the lower part of the front frame (bottom) is provided with a foot pedal positioning shaft shaft hole, and the foot pedal positioning shaft is mounted (for the support connection of the front end of the foot pedal).
  • the rear frame of the vehicle body is disposed at the rear end of the front frame.
  • a front frame at the front end of the rear frame is provided with a frame folding positioning hook device (for the rear frame to be folded and locked in the front frame).
  • the rear lower end of the rear frame is provided with a rear frame connecting hole (for the connection of the rear frame to the front frame).
  • the center line of the rear frame is also provided, the main shaft one shaft sprocket shaft shaft hole, the two shaft sprocket shaft shaft hole, and the rear wheel support hole at the end of the three shaft sprocket shaft shaft hole.
  • the driving shaft one-axis sprocket shaft is installed in the shaft hole of the driving shaft-axis sprocket shaft
  • the crank shaft is respectively provided with a crank on one end thereof
  • one side of the shaft (the right side of the vehicle body) is further mounted with a Dalian roulette placed on the crank
  • the other side of the shaft (on the left side of the body) is equipped with a drive shaft lock nut placed in the middle of the rear frame in the crank.
  • the two sprocket axles are mounted in the shaft holes of the two sprocket axles, and a large sprocket wheel and a small sprocket wheel are respectively installed at two ends of the shaft head, wherein the small sprocket wheel is a large sprocket wheel on the shaft of the driving shaft
  • the three-segment axle is installed in the shaft hole of the three-sprocket shaft, and a large sprocket wheel and a small sprocket wheel are respectively installed at both ends of the shaft, wherein the small sprocket wheel is to be
  • the large sprocket wheel on the two shafts of the driving shaft corresponds to each other, and the two are connected by a chain.
  • the rear wheel of the driving wheel is installed in the rear wheel supporting hole at the end of the rear frame of the vehicle, and the wheel center of the rear wheel is installed.
  • the rear wheel center shaft is equipped with a ratchet set on the center shaft.
  • One end of the shaft is mounted with a rear wheel small chain disc, the small chain disc corresponding to the large sprocket wheel on the three-segment axle, and the two are connected by a chain.
  • the other end of the center shaft is provided with a rear wheel follower shaft.
  • the center of the rear wheel hub is provided with a single-sided tooth table, which is coupled with the jack on the ratchet wheel group mounted on the central shaft of the rear wheel, and a bearing is respectively arranged at each end of the shaft shaft of the center shaft, and is placed in the center hole of the rear wheel hub. Both sides.
  • G two foot pedals, the two foot pedals are respectively by the feet
  • the pedal pedals and folding sheets are respectively longitudinally mounted on both sides of the vehicle body.
  • the folds provided on the foot pedal facilitate the folding and opening of the foot pedal.
  • the front ends of the two pedals are respectively connected to the pedal supporting positioning shafts at the lower part of the front frame, and the front middle portions of the foot pedals are respectively connected to the crank links on the driving shaft and the sprocket shaft.
  • the foldable stepping bicycle of the invention has the advantages of being small and flexible, convenient to carry, beautiful and elegant, and can be entertained and convenient to travel.
  • Figure 1 is a perspective view of a foldable treadmill
  • Figure 2 is a schematic view of the structure of the foldable treadmill
  • Figure 3 is an exploded view of the foldable treadmill
  • Figure 4 is a structural view of the rear frame and rear wheel set of the foldable treadmill
  • Figure 5 is a perspective view of the three-dimensional structure of the foldable bicycle
  • Figure 6 is a folding diagram of the foldable stepping carriage
  • the foldable treadmill shown in Fig. 1 is composed of a handlebar 1 and a front wheel fork 67, and a front wheel 8, which constitutes a steering system of the foldable treadmill.
  • the steering system of the folding bike is placed at the forefront of the body.
  • Brake device 9 constitutes the brake system of the foldable treadmill of the utility model.
  • the luggage carrier 7 is attached to the front axle 74 on the front fork fork 67.
  • the front wheel 8 is mounted on the front axle 74.
  • the handlebar 1 is also equipped with a handlebar lock quick release 4 for easy adjustment of the handlebar lift.
  • the handlebar folding member 5 provides the convenience of folding the handlebar.
  • the upper part of the front frame 6 shown in Fig. 1 and Fig. 3 is provided with a locking slide hole 10 for mounting the body folding lock quick release 11 .
  • the frame connecting hole 12 is disposed at the rear of the middle of the front frame 6, and the fixing screw 12B is inserted into the frame connecting hole 12, thereby connecting the front frame 6 to the rear frame 13, and facilitating the front frame. 6 folding of the rear frame 13.
  • a footboard support shaft 20 is provided at a lower portion of the lower portion of the front frame 6.
  • the footrest support shaft 20 is laterally mounted on the footrest support shaft shaft holes 68, 68B at the bottom of the front frame 6, as shown in Fig. 2 and Fig. 3, the support shaft adjustment nut 45 is disposed at the support shaft shaft hole 68. Between the two holes of 68B, it plays a lateral adjustment effect on the left and right axes of the support shaft 20. Close to the support shaft holes 68, 68B Two support positioning shaft lock nuts 44 are provided. The two auxiliary wheels 21 are respectively mounted on the two ends of the support shaft 20, and are located outside the two lock nuts 44, and are used as a foldable bicycle to be smoothly pulled when folded. Make the folding bike a versatile function – the luggage cart (shown in Figure 6A).
  • the two foot pedals 33 are connected to the foot levers 33A and 33B via the flaps 35, respectively.
  • the flaps 35 are provided with at least four or more on the foot levers 33A, 33B, as seen in Fig. 2 and Fig. 3.
  • the flaps 35 can be used to retract the pedals (reducing the volume of the foldable pedal) or to open (to facilitate the user's feet), as seen in Figures 2, 3 or 6.
  • the front end of the foot lever 33A33B is respectively provided with a foot support hole 62 and 64, and each of the foot support holes 62, 64 is provided with a foot support bearing sleeve 42, and the two foot support bearings 43 Each is mounted within the two foot lever support bearing sleeves 42.
  • the two ends of the footrest support positioning shaft 20 are respectively mounted between the 62 and 64, as shown in Fig. 2 and Fig. 3.
  • a lock card 41 is disposed on the most lateral side of both ends of the support positioning shaft 20 for locking the support shaft after the foot lever is assembled. See Figure 3 for details.
  • Lateral portions of the front portions of the pedal levers 33A and 33B are further provided with link shaft mounting holes 63 and 65, each of which is provided with a bearing sleeve 47.
  • the front frame of the rear frame 13 is provided with a frame folding positioning locking hook 56.
  • the positioning hook 56 is disposed (through the front frame 6).
  • the locking quick-release 10 is fixed in the locking slide hole 10. See Figure 1 and Figure 3 for details.
  • a connecting hole 69 corresponding to the body connecting hole 12 provided on the front frame 6, and a fixing bolt 12B transversely penetrating the body 6 in the body connecting hole 12 will be the front frame 6 It is fixed to the rear frame 13, see Figure 1 and Figure 3.
  • the rear axle frame 13 is provided with a main shaft one-axis sprocket shaft shaft hole 59 and two sprocket shaft shaft holes 60 three sprocket shaft shaft holes 61.
  • the above three sprocket shaft shaft holes 59, 60, 61 are respectively transversely penetrated through the rear frame 13.
  • the drive shaft one-axis sprocket shaft 15 is mounted in the drive shaft-axis shaft hole 59, and the two bearings 50 are respectively mounted on the drive shaft-axis sprocket shaft 15 at the drive shaft.
  • the drive shaft one-axis sprocket shaft lock nut 51 is placed on one side of the drive shaft one-axis sprocket shaft 15 (the left side of the vehicle body).
  • a drive shaft-axis large sprocket wheel 14 is mounted on the other side of the drive shaft one-axis large sprocket wheel 14 is mounted.
  • the right crank 16 is mounted on the right side end of the drive shaft sprocket shaft 15 through the spindle connection hole 70, and is set to the right crank at this time.
  • the link spindle hole 71 on the 16 should be in the downward position.
  • the link main shaft 18 is fitted in the link main shaft hole 71.
  • the left crank 17 is mounted on the other side left side of the main shaft sprocket shaft 15 through the main shaft connecting hole 70B, and the link main shaft hole 71B provided on the left crank 17 should be in the upward position, the main shaft of the connecting rod 18 is assembled in the link spindle hole 71B.
  • the link has two right links 19 and left links 19B, and the right link (19) and the left link (19B) are symmetrically disposed.
  • a spindle bearing 49 is mounted in one end of the right link 19 and mounted on the link spindle 18.
  • the bearing sleeve 47 is placed in the connecting rod shaft fitting hole 63 on the foot lever 33A, the connecting rod shaft bearing 48 is mounted in the bearing sleeve - 47, and the other end of the right connecting rod 19 is mounted to the connecting rod shaft bearing through the connecting rod shaft 72.
  • the link fitting hole 63 of the locking screw 22 traversing the foot lever 33A is coupled to the link shaft 72 to form a lock.
  • a spindle bearing 49 is mounted in one end hole of the left link 19B, and is mounted on the link main shaft 18.
  • the bearing sleeve 47 is mounted in the connecting rod shaft fitting hole 65 on the foot lever 33B
  • the connecting rod small shaft bearing 48 is mounted in the bearing sleeve 47
  • the other end of the left connecting rod 19B is attached to the connecting rod shaft bearing through the connecting rod shaft 72B.
  • the link fitting hole 65 of the lock screw 22 traversing the foot lever 33B is connected to the link shaft 72B to form a lock.
  • the two sprocket shafts 31 are mounted in the two sprocket shaft hole 60, and the two bearings 52 are respectively mounted on the two sprocket shafts 31 on both sides of the two sprocket shaft shaft holes 60.
  • One end of the second sprocket shaft 31 (on the right side of the rear frame 13) is mounted with a small sprocket wheel 24 corresponding to the Dalian wheel 14 on the drive shaft sprocket shaft 15.
  • the chain 23 is mounted on the Dalian wheel 14 and the small sprocket wheel 24 to form a force transmission between the drive shaft sprocket shaft 15 and the two sprocket shafts 31.
  • the other end of the second sprocket shaft 31 (on the left side of the rear frame 13) is mounted with a large sprocket wheel 28.
  • the three-segment axle 32 is mounted in a three-sprocket shaft shaft hole 61.
  • the two bearings 53 are respectively mounted on the three-sprocket shaft 32 on both sides of the three-sprocket shaft shaft hole 61, and one end of the three-sprocket shaft 32 (rear frame)
  • the left side of 13 is mounted with a small sprocket wheel 30 corresponding to the large sprocket wheel 28 on the two sprocket shafts 31.
  • the chain 29 is mounted on the large sprocket wheel 28 and the small sprocket wheel 30 to form a force transfer between the two sprocket shaft 31 and the three sprocket shaft 32.
  • the drive wheel rear wheel 66 is mounted in the rear wheel support hole 57 58 at the extreme end of the rear frame 13.
  • the rear axle bowls 38 are respectively mounted in the rear wheel support holes 57 58 , and the rear wheel support bearings 54 are respectively mounted on the two rear axles Inside the bowl 38.
  • the wheel hub of the rear hub 36 is internally provided with a single-sided tooth table, the rear wheel center shaft 34 is mounted in the wheel center hole of the rear hub, the center shaft 34 is provided with a ratchet 37, and the ratchet wheel 37 is provided with a jack 73 for the rear hub. 36
  • the unilateral tooth table in the wheel center is frictionally combined to form a one-way push.
  • the rear wheel small chain plate 27 traverses the rear wheel support hole 58, the rear wheel shaft bowl 38, and the rear wheel support bearing 54 is coupled to one end of the rear wheel center shaft 34 on the rear wheel hub 36.
  • the rear wheel small chain 27 corresponds to the large sprocket wheel 25 on the triple sprocket shaft 32, and the chain 26 is mounted on the large sprocket wheel 25 and the rear wheel small chain plate 27 on the three sprocket shaft 32 to form a three-chain axle. The force transmission between 32 and the rear wheel small sprocket wheel 27.
  • the rear wheel follower shaft 39 is joined through the rear wheel support hole 57, the rear wheel shaft bowl 38, and the rear wheel support bearing 54 to the other end (left end) on the rear wheel center shaft 34 on the rear wheel hub 34.
  • the rear wheel 66 is on the rear wheel hub 36.

Description

技术领域
本发明涉及一种可站立上下蹬踏的踏行车, 特别涉及一种形状大小于滑板车 相似的车体上设置了驱动装置, 驱动后轮转动行驶的两轮式可折叠踏行车 。
背景技术
随着社会的发展于进步, 人们的生活水平在逐渐提高, 越多的人们开始意识 到健康环保生活的重要性, 注重对身体的锻炼和生活休闲的娱乐, 为了满足人们 对代步运动和娱乐的热爱需求发明可折叠踏行车。 先前有人发明出几种 "踏溜车" 中国专利号分别是: "200510026045. 7 " "200610159443. 0" "200810040103. 5 " "200910051010. 7 " "200910052350. 1 "其构造复杂, 三级驱动装置利用链条于齿 轮组合的结构繁琐, 脚踏杆定位轴设在车身的前上方, 造成脚踏板的基准位置过 高, 人们在踩踏踏溜车时的中心提高, 使踏行人的重心不稳, 设置的三轮车身体 积过大, 重量大, 行驶阻力大。 一种 "车辆特别是滑行车" 中国专利号:
"200380106985. 6"其构造设置的驱动装置不够合理, 特别是设置在车身底架后 端处冒出的固定装置, 外形凸起造成人踏行时脚容易于其部件发生碰撞摩擦踏行 不便。
发明内容
本发明的目的是从根本上克服上述缺陷于不足, 提供一种形状大小于滑板车 相似, 车体上设置了驱动装置, 前轮为方向轮, 较后轮大, 可提高踏行车行驶的 通过性。 后轮为驱动轮, 较前轮小, 縮小整车体积, 方便使用者上下踏行。 前车 架和后车架组成的车身折叠自如, 具有折叠功能, 是始终使用链轮轴, 连轮盘, 链条直接驱动后轮转动行驶的两轮式可折叠踏行车。
本发明是这样实现的, 所述的可折叠踏行车利用双脚踩踏设置在车架两侧的 脚踏板, 两脚踏板分别于主动轴一轴链轮轴上的曲柄连杆连接, 当双脚蹬踏踏板 时就带动了主动轴一轴链轮轴的转动, 同时此力经过链轮轴上的链条连接依次带 动了二连轮轴 或三链轮轴的转动最终也带动了后轮的转动, 使踏行车平稳顺利的 向前行驶。 发明中的可折叠踏行车包括有: 转向轮前轮(较后轮大), 前轮通过车 把的控制来转向。 一驱动轮后轮 (较前轮小), 所述驱动轮后轮, 是通过踩踏连接 在主动轴一轴链轮轴上两端的脚踏板来带动驱动装置, 驱动后轮转动。 设置在两 轮之间的车身由前车架于后车架组成, 所述前轮设在车身的前端, 所述后轮设置 在车身的后端, 所述车身的前车架设置在前轮的上方, 前车架的上方设置有锁紧 滑孔, 安装一快拆锁紧螺杆 (用于锁紧车身前车架于后车架的拆折固定)。 前车架 的中(后)部设置了连接孔, 安装一固定螺杆,(用于固定前车架于车后架的连接)。 前车架的下方 (底部) 设置了脚踏板定位轴轴孔, 安装脚踏板定位轴 (用于脚踏 板前端的支撑连接) 所述车身的后车架设置在前车架的后端于后轮的前方, 后车 架的前部顶端处设置有车架拆折定位钩装置 (用于后车架于前车架的拆折定位锁 紧)。 后车架的前部下端设置有后架连接孔 (用于后车架于前车架的连接)。 由前 向后在后车架的中心线上依次还设置了, 主动轴一轴链轮轴轴孔, 二轴链轮轴轴 孔, 三轴链轮轴轴孔最尾处设置了后轮支撑孔。 所述主动轴一轴链轮轴安装在主 动轴一轴链轮轴轴孔中, 轴头的两端分别安装有曲柄, 轴的一侧 (车身右侧) 还 安装了一大连轮盘置于曲柄于车后架的中间, 轴的另一侧 (车身左侧)装有主动 轴锁紧螺母, 置于后车架于曲柄的中间。 所述二链轮轴安装在二链轮轴轴孔中, 轴头的两端分别安装一大链轮盘和一小链轮盘, 其中小连轮盘要于主动轴一轴上 的大链轮盘相对应, 且用链条将二者连接, 所述三链轮轴安装在三链轮轴轴孔中, 轴的两端分别安装一大链轮盘和一小链轮盘, 其中小连轮盘要与主动轴二轴上的 大链轮盘相对应, 且用链条将二者连接, F所述驱动轮后轮, 安装在车后架最尾处 的后轮支撑孔中, 后轮的轮心安装了后轮中心轴, 中心轴上装有棘轮组。 轴的一 端安装有后轮小链盘, 其小链盘于三链轮轴上的大链轮盘相对应, 并且用链条将 二者连接。 中心轴的另一端设置有后轮随动轴。 后轮轮毂的中心内部设有单边齿 台, 结合于后轮中心轴上安装的棘轮组上的千斤片, 中心轴的轴头两端分别各安 装有一轴承, 置于后轮轮毂中心孔的两边侧。 G两脚踏板, 所述两脚踏板分别由脚 踏杆脚踏板和折页组成, 分别纵向安装在车身的两侧。 脚踏板上设置的折页便于 脚踏板折起和打开。 两脚踏板的前端分别连接于前车架下部的脚踏板支撑定位轴 上, 脚踏板的前中部分别连接于主动轴一链轮轴上的曲柄连杆。
本发明的可折叠踏行车具有小巧灵活, 便于携带, 美观大方, 即可娱乐, 又 可方便代步的优点。
附图说明
附图 1为可折叠踏行车的立体外观图
附图 2为可折叠踏行车的结构示意图
附图 3为可折叠踏行车的结构分解图
附图 4为可折叠踏行车的后车架及后轮组的结构图
附图 5为可折叠踏行车的的立体结构外观图
附图 6为可折叠踏行车的折叠示意图
具体实施方式
下面结合附图、 实施例对本发明作进一步的详细说明, 如图 1 所示的可折叠 踏行车是由车把 1和前轮架叉 67, 前轮 8, 组成了可折叠踏行车的转向系统, 可 折叠踏行车的转向系统设置在了车身的最前端。 刹车手柄 2和刹车线 3.刹车装置 9组成了本实用新型可折叠踏行车的制动系统。 行李托架 7固定在了前轮架叉 67 上的前轮轴 74上。前轮轴 74上装有前轮 8。车把 1上还设置了车把锁紧快拆 4用 来便于车把升降的调整。 车把折叠部件 5提供了车把收折的方便性。
图 1图 3所示前车架 6的上部上设置了锁紧滑孔 10, 用于安装车身折叠锁紧 快拆 11。 在前车架 6的中部偏后处设置的车架连接孔 12, 固定螺杆 12B贯穿于车 架连接孔 12中, 起到了将前车架 6于后车架 13的连接, 又便于前车架 6于后车 架 13的折叠。 前车架 6的下部最低处设置了脚踏板支撑轴 20。
所述脚踏板支撑轴 20横向安装在前车架 6底部的脚踏板支撑轴轴孔 68, 68B 中, 由图 2图 3中所示,支撑轴调节螺母 45设置在支撑轴轴孔 68、 68B两孔之间, 起到了对支撑轴 20左右两轴的横向调节作用。 靠近支撑轴孔 68、 68B两侧分别配 备了两个支撑定位轴锁紧螺母 44。两个辅助轮 21分别安装在支撑轴 20上的两端, 位于两锁紧螺母 44的外侧, 用作可折叠踏行车折起时顺利拖拉自如。 使可折叠踏 行车实现多功能作用——行李车 (图 6A所示)。 所述两个脚踏板 33分别通过折页 35于脚踏杆 33A和 33B上连接。 所述折页 35在脚踏杆 33A、 33B上至少各装有 4 个以上, 参阅图 2图 3中可见。 折页 35能起到使脚踏板收起 (缩小可折叠踏行车 的体积) 或打开 (便于使用者双脚踏行), 参阅图 2图 3或图 6可见。
所述脚踏杆 33A33B的最前端分别设置了脚踏杆支撑孔 62和 64, 脚踏杆支撑 孔 62、 64内各装有一个脚踏杆支撑轴承套 42, 两个脚踏杆支撑轴承 43各安装在 两脚踏杆支撑轴承套 42之内。 所述脚踏板支撑定位轴 20的两端分别安装在其 62 和 64之中图参阅 2图 3中可见。所述支撑定位轴 20的两端最边侧设置了锁卡 41, 用于将支撑轴于脚踏杆装配之后的锁定。 参阅图 3可见。
所述脚踏杆 33A和 33B前段稍后的部位还设置了连杆轴装配孔 63和 65,两孔内都 各装有一个轴承套 47
如图 4所示, 所述后车架 13的最前上方设有车架拆折定位锁紧钩 56, 可折叠 踏行车在展开状态时, 其定位钩 56被 (贯穿于前车架 6上设置的锁紧滑孔 10内 的) 锁紧快拆 11固定。 参阅图 1图 3可见。 设置在后车架 13的前部下方是连接 孔 69, 于前车架 6上设置的车身连接孔 12相对应, 横向贯穿于车身 6位于车身连 接孔 12内的固定螺栓 12B将前车架 6和后车架 13固定在一起, 参阅图 1图 3。
如图 4所示所述后车架 13上分别设置了主动轴一轴链轮轴轴孔 59和二链轮 轴轴孔 60三链轮轴轴孔 61。 以上三个链轮轴轴孔 59 , 60 , 61都分别横向贯通 于后车架 13。
如图 2图 3图 4所示, 所述主动轴一轴链轮轴 15装于主动轴一轴轴孔 59内, 两轴承 50.分别装在主动轴一轴链轮轴 15之上, 位于主动轴一轴轴孔 59中的两边 侧。主动轴一轴链轮轴锁紧螺母 51置于主动轴一轴链轮轴 15上的一侧 (车身左侧)。 主动轴一轴链轮轴的另一侧 (车身右侧) 安装了主动轴一轴大链轮盘 14。 右曲柄 16通过主轴连接孔 70安装在了主动轴一链轮轴 15上的右侧边端,此时设在右曲柄 16上的连杆主轴孔 71应为向下的位置。 连杆主轴 18装配在连杆主轴孔 71内。 左 曲柄 17通过主轴连接孔 70B安装在了主动轴一轴链轮轴 15的另一侧左侧边端, 此 时设在左曲柄 17上的连杆主轴孔 71B应为向上的位置, 连杆主轴 18装配在连杆主 轴孔 71B内。
如图 3所示, 所述连杆有右连杆 19和左连杆 19B两个, 右连杆(19)与左连杆 (19B)对称设置。其右连杆 19的一端孔中装配主轴轴承 49, 安装在连杆主轴 18上。 轴承套 47置于脚踏杆 33A上的连杆轴装配孔 63中, 连杆轴轴承 48安装在轴承套— 47内, 右连杆 19的另一端通过连杆轴 72安装于连杆轴轴承 48内。锁紧螺杆 22横 穿于脚踏杆 33A上的连杆装配孔 63于连杆轴 72内连接形成锁定。
如图 3所示, 所述左连杆 19B的一端孔中装配主轴轴承 49, 安装在连杆主轴 18上。 轴承套 47装于脚踏杆 33B上的连杆轴装配孔 65中, 连杆小轴轴承 48安装 在轴承套 47内, 左连杆 19B的另一端通过连杆轴 72B安装于连杆轴轴承 48内。 锁 紧螺杆 22横穿于脚踏杆 33B上的连杆装配孔 65于连杆轴 72B内连接形成锁定。
如图 2 图 3所示, 所述二链轮轴 31装在二链轮轴轴孔 60内, 两轴承 52分别 装在二链轮轴 31上, 位于二链轮轴轴孔 60的两边侧。 二链轮轴 31的一端 (后车 架 13的右侧) 安装一小链轮盘 24, 小链轮盘 24于主动轴一链轮轴 15上的大连轮 盘 14相对应。 链条 23安装在大连轮盘 14和小链轮盘 24上, 形成主动轴一链轮轴 15和二链轮轴 31之间的力传递。 二链轮轴 31的另一端 (后车架 13的左侧) 安装 一大链轮盘 28。
所述三链轮轴 32安装在三链轮轴轴孔 61内, 两轴承 53分别安装在三链轮轴 32上, 位于三链轮轴轴孔 61中的两边侧, 三链轮轴 32的一端(后车架 13的左侧) 安装一小链轮盘 30, 小链轮盘 30和二链轮轴 31上的大链轮盘 28相对应。 链条 29 安装在大链轮盘 28和小链轮盘 30上, 形成二链轮轴 31和三链轮轴 32之间的力传 递。
所述驱动轮后轮 66, 安装在后车架 13最尾端的后轮支撑孔 57 58中。 后轮 轴碗 38分别安装在后轮支撑孔 57 58中, 后轮支撑轴承 54分别安装在两后轮轴 碗 38内。 后轮毂 36的轮心孔内部设置有单边齿台 , 后轮中心轴 34装于后轮毂 的轮心孔中, 中心轴 34上装有棘轮 37, 棘轮 37上设置了千斤片 73, 于后轮毂 36 轮心内的单边齿台摩擦结合, 形成单向推动。 两个后轮轮毂轴承 55分别安装在中 心轴 34上的两端 置于后轮轮毂 36上的轮心孔中的两边侧。 两个轴承垫圈 40分 别紧贴轴承 55。 后轮小链盘 27横穿后轮支撑孔 58, 后轮轴碗 38, 后轮支撑轴承 54于后轮轮毂 36上的后轮中心轴 34的一端结合。 后轮小链盘 27于三链轮轴 32 上的大链轮盘 25相对应, 链条 26安装在三链轮轴 32上的大链轮盘 25和后轮小 链盘 27上, 形成了三链轮轴 32和后轮小链轮盘 27之间的力传递。后轮随动轴 39 通过横穿后轮支撑孔 57, 后轮轴碗 38, 后轮支撑轴承 54于后轮轮毂 34上的后轮 中心轴 34上的另一端 (左端) 结合。 后轮 66在后轮轮毂上 36上。

Claims

权 利 要 求
1、 可折叠踏行车是由车把 (1 )、 刹车手柄 (2)、 刹车线 (3) .刹车装置 (9)、 一 个较大的前轮 (8)、 一个较小的后轮 (66 ), 前轮架叉 (67)、 前车架 (6) 后车架
( 13) 组成, 其特征在于车身由前车架 (6) 与后车架 (13 ) 组成, 前车架 (6 ) 与后车架(13)可通过设置在前车架(6)中后部的车架连接孔(12)与后车架(13) 上设置的后架连接孔( 69 )连接,前车架( 6 )下端底部设置脚踏板支撑定位轴( 20 ), 前轮 (8) 为方向轮, 后轮 (66) 为驱动轮, 车把 (1 ) 上还设置了车把锁紧快拆
(4), 折叠部件 (5), 行李托架 (7) 固定在了前轮架叉 (67 ) 上的前轮轴 (74) 上。
2、 如权利要求 1 所述的可折叠踏行车, 其特征在于前车架 (6) 的上部上设 置了锁紧滑孔 (10), 车身折叠锁紧快拆 (11 ) 安装于锁紧滑孔 (10) 上。
3、 如权利要求 1 所述的可折叠踏行车, 其特征在于在前车架 (6) 的中部偏 后处设置的车架连接孔 (12) 内设置有固定螺杆 (12B) 贯穿于车架连接孔 (12) 中。
4、 如权利要求 1所述的可折叠踏行车, 其特征在于在前车架 (6) 的下部最 低处设置了脚踏板支撑定位轴 (20), 脚踏板支撑定位轴 (20) 横向安装在前车架
(6) 底部的脚踏板支撑定位轴轴孔 (68, 68B)中, 支撑轴调节螺母 (45 ) 设置在 支撑轴轴孔(68) (68B)两孔之间, 《便于脚踏板支撑定位轴(20)横向左右调节,》 靠近支撑轴孔 (68) (68B) 两侧分别配备了两个支撑定位轴锁紧螺母 (44), 两个 辅助轮(21 )分别安装在支撑定位轴(20)上的两端,位于两定位轴锁紧螺母(44)
5、如权利要求 1、 4所述的可折叠踏行车,其特征在于脚踏板支撑定位轴(20) 的两端分别设置有脚踏杆支撑孔 (62) 和 (64), 两个脚踏板 (33) 分别通过折页
( 35)与脚踏杆 (33A)和 (33B)上连接。 所述折页 ( 35)在脚踏杆 (33A) ( 33B) 上各装有 4个以上, 脚踏杆 (33A) (33B) 的最前端分别设置于脚踏杆支撑孔 (62) 和 (64), 脚踏杆支撑孔 (62) (64) 内各装有一个脚踏杆支撑轴承套 (42), 两个 脚踏杆支撑轴承 (43 ) 各安装在两脚踏杆支撑轴承套 (42 ) 之内, 支撑轴 (20) 的两端最边侧设置了锁卡 (41 ), 脚踏杆 (33A) 和(33B)前段稍后的部位还设置了 连杆轴装配孔 (63)和 (65), 两孔内都各装有一个轴承套 (47 )。
6、 如权利要求 1 所述的可折叠踏行车, 其特征在于在后车架 (13) 的最前上 方设有锁紧钩 (56), 后车架 (13 ) 的前部下方是后架连接孔 (69), 与前车架 (6) 上设置的车架连接孔 (12) 相对应, 横向贯穿于车身 (6) 位于车架连接孔 (12 ) 内的固定螺栓 (12B) 将前车架 (6) 和后车架(13 ) 固定在一起。
7、 如权利要求 1 所述的可折叠踏行车, 其特征在于后车架 (13) 上分别横向 设置了主动轴一轴链轮轴轴孔 (59), 二链轮轴轴孔 (60) ,三链轮轴轴孔 (61)、 和 后轮支撑孔 (57)、 (58)
8、如权利要求 1、 7所述的可折叠踏行车, 其特征在于主动轴一轴链轮轴(15) 装于主动轴一轴轴孔 (59) 内, 两轴承 (50)分别装在主动轴一轴链轮轴(15)之上, 位于主动轴一轴轴孔 (59)中的两边侧, 主动轴一轴链轮轴锁紧螺母 (51)置于主动轴 一轴链轮轴(15)上的一侧, 主动轴一轴链轮轴的另一侧安装了主动轴一轴大链轮盘 (14),右曲柄(16)通过主轴连接孔 (70)安装在了主动轴一链轮轴(15)上的右侧边 端, 右曲柄 (16) 上的连杆主轴孔 (71)为向下位置, 连杆主轴 (18) 装配在连杆主 轴孔 (71 ) 内, 左曲柄(17)通过主轴连接孔 (70B)安装在了主动轴一轴链轮轴(15) 的另一侧左侧边端, 设在左曲柄 (17)上的连杆主轴孔 (71B)为向上的位置,连杆主轴 (18)装配在连杆主轴孔 (71B)内, 右连杆(19)与左连杆(19B)对称设置。
9、 如权利要求 7、 8所述的可折叠踏行车, 其特征在于右连杆(19)的一端孔中 装配主轴轴承 (49), 安装在连杆主轴(18)上, 轴承套 (47 ) 置于脚踏杆 (33A) 上 的连杆轴装配孔 (63) 中, 连杆轴轴承 (48)安装在轴承套 (47) 内, 右连杆 ( 19) 的另一端通过连杆轴 (72) 安装于连杆轴轴承 (48) 内, 锁紧螺杆 (22) 横穿于脚 踏杆 (33A) 上的连杆装配孔 (63) 于连杆轴 (72) 内连接。
10、 如权利要求 8所述的可折叠踏行车, 其特征在于左连杆 19B的一端孔中装 配主轴轴承 (49), 安装在连杆主轴(18)上, 轴承套 (47) 装于脚踏杆 (33B) 上的 连杆轴装配孔 (65)中, 连杆小轴轴承 (48)安装在轴承套 (47) 内, 左连杆 ( 19B) 的另一端通过连杆轴 (72B) 安装于连杆轴轴承 (48) 内, 锁紧螺杆 (22 ) 横穿于 脚踏杆 (33B) 上的连杆装配孔 (65) 于连杆轴 (72B) 内连接。
11、 如权利要求 7所述的可折叠踏行车, 其特征在于二链轮轴 (31)装在二链轮 轴轴孔 (60)内, 两轴承 (52)分别装在二链轮轴 (31)上, 位于二链轮轴轴孔 (60)的两 边侧,二链轮轴 (31)的一端安装一小链轮盘 (24), 小链轮盘 (24)与主动轴一轴链轮 轴(15)上的大连轮盘 (14)相对应,链条 (23)安装在大连轮盘 (14)和小链轮盘 (24) 上, 二链轮轴 (31)的另一端安装一大链轮盘 (28), 三链轮轴 (32) 安装在三链轮轴 轴孔 (61 )内, 两轴承 (53)分别安装在三链轮轴 (32)上,位于三链轮轴轴孔 (61 ) 中的两边侧, 三链轮轴 (32) 的一端安装于小链轮盘 (30), 小链轮盘 (30) 和二 链轮轴 (31 ) 上的大链轮盘 (28) 相对应, 链条 (29) 安装在大链轮盘 (28) 与小 链轮盘 (30) 上。
12、 如权利要求 1述的可折叠踏行车, 其特征在于驱动轮毂 (36), 安装在后车 架(13)尾端的后轮支撑孔 (57)、 (58) 中, 后轮轴碗 (38) 分别安装在后轮支撑孔
(57)、 (58)中, 后轮支撑轴承 (54)分别安装在两后轮轴碗 (38)内, 后轮毂 (36) 的轮心内部设置有单边齿台 , 后轮中心轴 (34) 装与后轮毂 (36) 的轮心孔中, 中心轴 (34)上装有棘轮组 (37), 棘轮 (37)上设置了千斤片 (73), 与后轮毂 ( 36) 轮心内的单边齿台摩擦结合, 形成单向推动, 两个后轮轮毂轴承 (55) 分别安装在 中心轴 (34) 上的两端 置于后轮轮毂 (36) 上的轮心孔中的两边侧, 两个轴承垫 圈 (40) 分别紧贴轴承 (55), 后轮小齿盘 (27) 横穿后轮支撑孔 (58), 后轮轴碗
(38), 后轮支撑轴承 (54) 于后轮轮毂 (36) 上的后轮中心轴 (34) 的一端结合, 后轮小链盘 (27) 于三链轮轴 (32) 上的大链轮盘 (25) 相对应, 链条 (26 ) 安装 在三链轮轴 (32) 上的大链轮盘 (25) 和后轮小链盘 (27) 上, 后轮随动轴 (39) 通过横穿后轮支撑孔 (57), 后轮轴碗 (38), 后轮支撑轴承 (54) 于后轮轮毂 (34) 上的后轮中心轴 (34) 上的另一端左端结合。
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