WO2017016381A9 - 手拉式折叠滑板车 - Google Patents

手拉式折叠滑板车 Download PDF

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Publication number
WO2017016381A9
WO2017016381A9 PCT/CN2016/089300 CN2016089300W WO2017016381A9 WO 2017016381 A9 WO2017016381 A9 WO 2017016381A9 CN 2016089300 W CN2016089300 W CN 2016089300W WO 2017016381 A9 WO2017016381 A9 WO 2017016381A9
Authority
WO
WIPO (PCT)
Prior art keywords
sleeve
collar
folding
hand
straight tube
Prior art date
Application number
PCT/CN2016/089300
Other languages
English (en)
French (fr)
Other versions
WO2017016381A1 (zh
Inventor
陈彩云
Original Assignee
俪新集团有限公司
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 俪新集团有限公司 filed Critical 俪新集团有限公司
Publication of WO2017016381A1 publication Critical patent/WO2017016381A1/zh
Publication of WO2017016381A9 publication Critical patent/WO2017016381A9/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
    • 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
    • B62K3/00—Bicycles

Definitions

  • the present invention relates to a scooter for play and entertainment.
  • scooters There are many types of scooters. In order to facilitate daily carrying and convenient storage without using cymbals, scooters are provided with a folding structure. At present, the scoring structure of the scooter is complicated, the production cost is high, and the operation is not convenient. Therefore, it is necessary to improve the current scooter.
  • the object of the present invention is to overcome the deficiencies of the prior art and provide a hand-drawn folding scooter with more reasonable structure, convenient operation and lower production cost.
  • a hand-drawn folding scooter includes a front wheel, a rear wheel, a pedal seat, a handle bar, a handle, and a pair of parallel spaced apart coupling pieces at a front end of the pedal seat, at a lower end of the handle bar Providing a rod seat that just falls between the pair of coupling pieces, the handle rod swinging and kneading by traversing the swing shaft of the rod seat and the coupling piece; a control handle is provided between the coupling piece and the rod seat a folding structure capable of twisting the rod; an arcuate surface having a center of the axis of the swinging shaft is disposed on the vertical wall of the coupling piece; and an exhibition card is respectively arranged at both ends of the curved surface of the coupling piece
  • the folding structure includes: a folding locking structure that slides along the curved surface and slides down into the expansion card slot or the folding card slot, and pulls the folding locking column closer to the swinging shaft An elastic member of the shaft, a steel drawstring for pulling the twisting lock
  • the handle end of the steel drawstring is disposed at an upper end of the handlebar.
  • the flat end of the steel drawstring is flat.
  • a pull ring made of soft material.
  • a pulling sleeve which is sleeved outside the upper end of the handlebar is provided at the handle end of the steel drawstring.
  • the handlebar includes a straight tube having a lower end fixedly connected to the rod seat, and a ⁇ -shaped sleeve telescopically inserted into the straight tube.
  • a sleeve telescopic adjustment structure which comprises a grommet type sleeve sleeved at the straight tube port, a locking bolt inserted at the collar of the collar ring, and a side of the collar ring
  • Preloading member at least two elastic pieces disposed in the sleeve, all of the elastic pieces are sequentially arranged up and down into the sleeve, and the pins on the sleeve are respectively ejected from the corresponding pin holes of the sleeve, and there are two elastic pieces.
  • the upper and lower two pin holes are provided on the sleeve with the same number of the elastic pieces; the pin and the collar are respectively provided with a pin for the elastic piece at the corresponding position to pass through and expose the collar a pin hole; an S-type elastic pressing piece is disposed between the collar and the pre-tightening piece, and one end of the elastic pressing piece is fixed on the bolt between the collar and the pre-tightening piece, and the other end is Curvedly bent toward the collar; the elastic pressing piece can press the pin into the sleeve .
  • the elastic pressing piece is provided with a jacking protrusion on the side of the pin hole of the opposite collar.
  • the handlebar includes a straight tube having a lower end fixedly connected to the rod seat, and a ⁇ -shaped sleeve telescopically inserted into the straight tube.
  • a sleeve telescopic adjustment structure which comprises a grommet type sleeve sleeved at the straight tube port, a locking bolt inserted at the collar of the collar ring, and a side of the collar ring a pretensioning member, a spring piece disposed in the sleeve, at least two height positioning holes are disposed at intervals in the vertical direction of the straight tube, and the pin on the sleeve is loaded from the sleeve of the sleeve After the column hole is ejected, it slides down to the height positioning hole at the corresponding position.
  • the steel drawstring is connected to the twist-locking post through an inverted U-shaped connecting lug, and the connecting lug is mounted in the stem.
  • the present invention has the following advantages: Since the folding structure only uses three components, such as a locking column, an elastic member and a steel drawstring, the scooter can be unfolded and folded.
  • the locking structure of the crucible makes the structure of the invention more reasonable and the production cost is lower; in addition, when the folding or folding is to be carried out, the steel cord can be pulled by the hand to drive the locking cylinder to be folded or folded.
  • the card slot then slightly rotate the handle bar and loosen the drawstring, so that it can slide along the curved surface of the coupling piece under the action of the elastic member until it automatically slides down to another
  • the opening or folding state can be automatically locked in a card slot, so that the folding or unfolding operation is simple and convenient.
  • FIG. 1 is a perspective view of a first embodiment of the present invention in an unfolded state
  • FIG. 2 is a perspective view of the first embodiment of the present invention in a folded state ⁇ ;
  • Embodiment 1 of the present invention is a partial assembly schematic view of Embodiment 1 of the present invention.
  • FIG. 4 is an exploded perspective view showing a telescopic adjustment structure according to Embodiment 1 of the present invention.
  • FIG. 5 is a perspective view of an elastic pressing piece according to Embodiment 1 of the present invention.
  • FIG. 6 is a perspective view 1 of the second embodiment of the present invention in an unfolded state ;
  • FIG. 7 is a perspective view 2 of the second embodiment of the present invention in an unfolded state (after removing the protective cover);
  • FIG. 8 is a perspective view of a second embodiment of the present invention (retracted state).
  • Embodiment 9 is a partial assembly diagram of Embodiment 2 of the present invention.
  • Figure 10 is an enlarged view of a portion I of Figure 9;
  • FIG. 11 is an exploded perspective view of a telescopic adjustment structure according to Embodiment 2 of the present invention.
  • the present invention is a hand-drawn folding scooter, as shown in Figures 1 to 3, 6 to 11, including a front wheel 1, a rear wheel 2, a pedal seat 3, a handlebar 4, a handle 5, located at The front end of the pedal base 3 is provided with a pair of parallel spaced apart coupling pieces 6, and at the lower end of the handlebar 4 is provided a rod seat 41 which just falls between the pair of coupling pieces 6, and the handle rod 4 passes through the rod
  • the seat 41 and the pivot shaft 7 of the coupling piece 6 are swing-fitted together; between the coupling piece 6 and the rod seat 41, a folding structure 8 for controlling whether the handle bar can be twisted is provided;
  • the wall is provided with a curved surface 61 centered on the axis of the pivoting shaft 7, and the curved surface 61 of the coupling piece 6 is respectively provided with a spreading groove 62 and a folding card slot 63;
  • the structure 8 includes a kneading locking post 81 that slides down the arcuate surface 61 and slides
  • the folding lock column 81 slides down in the spreader slot 62 of the coupling piece, so that the child can play and play, as shown in Figs.
  • the steel pull cord 83 is pulled by hand, so that the shackle lock cylinder 81 slides outward in the strip groove 411 of the rod seat 41 to overcome the urging force of the elastic member 82.
  • the card slot 62 which can be slightly folded at a small angle, then loosely pulls the rope to bring the twisting locking post 81 into contact with the curved surface 61 of the coupling piece 6, and then continues to join the handlebar 4 to the pedal seat 3.
  • the folding lock column 81 slides along the curved surface 61 of the coupling piece 6 toward the folding card slot 63 until it automatically slides into the folding card slot 63, thereby completing the folding process of the scooter, as shown in Figs. .
  • the steel pull cord 83 is pulled by hand, so that the splicing lock cylinder 81 slides outward in the strip groove 411 of the rod seat 41 after overcoming the urging force of the elastic member 82.
  • the small angle can be slightly extended, and then the cable is loosely pulled to bring the folding locking post 81 into contact with the curved surface 61 of the coupling piece 6, and then the handlebar 4 is continuously moved away from the pedal.
  • the folding lock column 81 slides along the curved surface 61 of the coupling piece 6 toward the display card slot 62 until it automatically slides into the display card slot 62, thereby completing the scooter development process, such as Figure 1, Figure 6.
  • the folding structure can realize the locking of the scooter in the unfolding state and the folding state by using only three components such as the locking column 81, the elastic member 82 and the steel pulling cord 83, so the present invention
  • the structure is more reasonable and the production cost is lower; in addition, when the folding or folding is to be carried out, the steel locking rope is used to drive the folding locking column to slide along the strip groove 411 of the rod seat 41 away from the expansion card.
  • the elastic member 82 is a tension spring, and its both ends are respectively connected to the folding lock cylinder 81 and the swing shaft 7.
  • the front wheel 1 has two ground support points of the pair of coupling pieces 6 which are folded and erected by the scooter. 64 and the ground cut point 11 of the pair of front wheels 1 are just connected to a horizontal straight line which is level with the ground, as shown in Fig. 2, so that the scooter in the folded state can be smoothly stood upright without being easily inverted. Down, so that people can store the collection or pull the entire scooter vertically.
  • the front wheel 1 has one.
  • the handle end of the steel drawstring 83 can be placed at different positions of the scooter, as long as the drawstring can be pulled by hand.
  • the handle end of the steel cord 83 is disposed at the upper end of the handlebar 4, so that the folding tab can be conveniently operated to fold the scooter without folding the body when folding or unfolding the scooter. Pull the drawstring.
  • a flat, soft material pull tab 84 is provided at the pull end of the steel cord 83. , it happens to be in the casing telescopic adjustment structure 9 It is supported by the sleeve telescopic adjustment structure 9.
  • FIGS. 1 in order to make the pulling of the cord more comfortable with the finger.
  • a pull sleeve 85 that slides over the upper end of the handlebar is provided at the pull end of the steel drawstring 83, and the pull sleeve 85 is in the reset state. It is just blocked by the hollow projecting shoulder 44 on one side of the handlebar to prevent it from falling.
  • the zipper 83 passes through the hollow projecting shoulder 44 and is connected to the pull sleeve 85 above the shoulder so that The drawstring is hidden in the protruding shoulder.
  • the strip groove 411 of the 41 slides away from the card slot or the folding card slot, and then the scooter can be unfolded or folded, so that it is more comfortable except for the operation of the folding structure, the hand gripping the sleeve 85 is also comfortable. Can make the shape of the scooter more beautiful.
  • the handlebar 4 includes a straight tube 42 having a lower end fixedly coupled to the rod base 41, and a T-shaped sleeve 43 telescopically insertable into the straight tube 42.
  • a sleeve telescopic adjustment structure 9 is provided between the straight tube 42 and the sleeve 43 , which comprises a tongue-and-loop type collar 91 sleeved at the straight tube port, and a locking thread inserted at the mouth of the collar 91 a bolt 92, a pretensioning member 93 on one side of the collar 91, and at least two elastic pieces 94 disposed in the sleeve 43 (the number of elastic pieces are adjusted according to the telescopically adjusted gear position), and all the elastic pieces 94 are sequentially arranged up and down.
  • the pin 95 on the sleeve is respectively ejected from the corresponding pin hole 431 of the sleeve 43.
  • the pin is ejected from the pin hole of the straight pipe and the collar, and the telescopic adjustment can be realized, which is consistent with the structure currently used for telescopic adjustment.
  • an S-type elastic pressing piece 96 is disposed between the collar 91 and the pre-tensioning piece 93 , and the elastic pressing piece 96 is end-fixed on the bolt between the collar 91 and the pre-tensioning piece 93.
  • the other end is curved to the collar 91 in an arc shape, so that the pin 95 is pressed into the sleeve 43 to be telescopically adjusted, and the elastic pressing piece 96 can be directly pressed, and then the elastic pressing piece is pressed.
  • the handlebars are more comfortable and more reasonable. Since the thickness of the straight tube and the collar is thick, it is difficult to press the pin into the sleeve with a finger, so in order to better press the pin into the sleeve, it is preferable to make the elastic pressing piece 96 in the opposite sleeve.
  • the side of the pin hole 911 of the ring 91 is provided with a jacking protrusion 961 for the purpose of having a sufficient length to retract the pin into the sleeve, as shown in Fig.
  • the handlebar 4 includes a straight tube 42 having a lower end fixedly coupled to the rod base 41, and a T-shaped sleeve telescopically insertable into the straight tube 42.
  • a sleeve 43 between the straight tube 42 and the sleeve 43, a sleeve telescopic adjustment structure 9 comprising an open collar 91 sleeved at the straight tube port and a lock inserted through the opening of the collar 91 a tightening bolt 92, a pretensioning piece 93 on one side of the collar 91, and a spring piece 94 disposed in the sleeve 43.
  • At least two height positioning holes 421 are disposed at intervals in the vertical direction of the straight pipe 42.
  • the pin 95 thereon is ejected from the pin hole 431 of the sleeve 43 and then slipped into the height positioning hole 421 at the corresponding position, where there are two height positioning holes.
  • the pin 95 on the elastic piece 94 is manually pressed to be retracted from the height positioning hole 421 of the straight tube 42.
  • the pull sleeve can be adjusted to be telescopically adjusted, which is consistent with the conventional telescopic adjustment structure of the scooter.
  • the steel cord 83 is connected to the coupling locking post 81 through an inverted U-shaped connecting lug 86, and the connecting lug 86 is mounted on the rod seat.
  • the lower end of the steel cord 83 is attached to the cross plate 861 of the connecting lug 86, and the opening and closing locking post 81 traverses the two vertical plates 862 of the connecting lug 86, each end of which passes through the rod
  • the strip groove 411 of the seat 41 falls into the unfolding card slot 62 or the folding card slot 63 of the coupling piece 6, so that when the steel cable 83 is pulled to be folded or unfolded, the opening and closing locking column 81 can be
  • the ends are more smoothly separated or slid down to the unfolding card slot 62 or the folding card slot 63 of the pair of coupling pieces 6, thereby making the unfolding and folding operation more reliable.
  • the protective cover 10, 20 is respectively disposed outside the rod base 41 and the coupling piece 6, so that the child can be better protected from pinching, and Make the shape of the whole car more beautiful.

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

Abstract

一种手拉式折叠滑板车，在位于踏板座（3）前端设有一对平行相隔的耦片（6），在把手杆（4）下端设有刚好落在这对耦片（6）之间的杆座（41），把手杆（4）通过横穿过杆座（41）和耦片（6）的摆动轴（7）来摆动开合；在耦片（6）和杆座（41）之间设有控制把手杆（4）能否开合的收折结构（8）；在耦片（6）的竖壁上设有以摆动轴（7）的轴心为圆心的弧形面（61）；在耦片（6）的弧形面（61）两头分别设有展开卡槽（62）和折叠卡槽（63）；收折结构（8）包括有沿该弧形面（61）摆动滑行后滑落到展开卡槽（62）或折叠卡槽（63）中的开合锁定柱（81）、将开合锁定柱（81）拉近该摆动轴（7）的轴心的弹性件（82）、用来将开合锁定柱（81）拉出展开卡槽（62）和折叠卡槽（63）的钢性拉绳（83），这样就可实现滑板车在展开、收折状态时的锁定。该手拉式折叠滑板车的结构更合理、生产成本更低，而且收折或展开操作简单和方便。

Description

手拉式折叠滑板车
[0001] 【技术领域】
[0002] 本发明涉及一种供玩耍娱乐的滑板车。
[0003] 【背景技术】
[0004] 滑板车的种类繁多， 为便于日常的携带和在不使用吋的存放方便， 滑板车都设 有收折结构。 目前滑板车的收折结构比较复杂， 生产成本较高； 而且操作起来 不大方便， 为此， 有必要对当前的滑板车进行改进。
[0005] 【发明内容】
[0006] 本发明的目的是在于克服现有技术的不足， 提供了一种结构更合理、 操作方便 、 生产成本更低的手拉式折叠滑板车。
[0007] 为了解决上述存在的技术问题， 本发明采用下述技术方案：
[0008] 一种手拉式折叠滑板车， 包括有前轮、 后轮、 踏板座、 把手杆、 把手， 在位于 所述踏板座前端设有一对平行相隔的耦片， 在所述把手杆下端设有刚好落在这 对耦片之间的杆座， 所述把手杆通过横穿过杆座和耦片的摆动轴来摆动幵合； 在所述耦片和杆座之间设有控制把手杆能否幵合的收折结构； 在所述耦片的竖 壁上设有以摆动轴的轴心为圆心的弧形面； 在所述耦片的弧形面两头分别设有 展幵卡槽和折叠卡槽； 所述的收折结构包括有沿该弧形面摆动滑行后滑落到展 幵卡槽或折叠卡槽中的幵合锁定柱、 将幵合锁定柱拉近该摆动轴的轴心的弹性 件、 用来将幵合锁定柱拉出展幵卡槽和折叠卡槽的钢性拉绳； 在所述杆座上设 有供外力作用下的幵合锁定柱滑动来进出卡槽的条形槽。
[0009] 在对上述手拉式折叠滑板车的改进方案中， 所述的前轮有两个， 滑板车在收折 并竖直立起来吋所述的这对耦片的地面支撑点和这对前轮的地面切点刚好连成 一条与地面相平的水平直线。
[0010] 在对上述手拉式折叠滑板车的改进方案中， 所述钢性拉绳的拉手端设在把手杆 的上端。
[0011] 在对上述手拉式折叠滑板车的改进方案中， 在所述钢性拉绳的拉手端设有扁平 、 用软质材料制成的拉环。
[0012] 在对上述手拉式折叠滑板车的改进方案中， 在所述钢性拉绳的拉手端设有滑动 套在把手杆上端外的拉动套管。
[0013] 在对上述手拉式折叠滑板车的改进方案中， 所述的把手杆包括有下端与杆座固 定连接的直管、 可伸缩套入到该直管内的 τ型套管， 在所述直管和套管之间设有 套管伸缩调节结构， 其包括有套在直管端口处的幵口型套环、 穿插在套环幵口 处的锁紧螺栓、 位于套环一侧的预紧件、 设在套管内的至少两个弹片， 所有弹 片依次上下排列地装入到套管后其上的销柱分别从套管对应的销柱孔中弹出， 在此有两个弹片， 相应地在套管上设有与弹片数量相同的上下两个销柱孔； 在 所述直管和套环上分别设有供对应位置上的那个弹片的销柱穿出并外露出套环 的销柱孔； 在所述套环与预紧件之间设有 S型的弹性按压片， 所述弹性按压片一 端固定在位于套环和预紧件之间的那段螺栓上， 另一端呈弧形地弯向套环； 所 述弹性按压片能将销柱压入到套管内。
[0014] 在对上述手拉式折叠滑板车的改进方案中， 所述弹性按压片在对向套环的销柱 孔的那一侧上设有顶入凸起。
[0015] 在对上述手拉式折叠滑板车的改进方案中， 所述的把手杆包括有下端与杆座固 定连接的直管、 可伸缩套入到该直管内的 τ型套管， 在所述直管和套管之间设有 套管伸缩调节结构， 其包括有套在直管端口处的幵口型套环、 穿插在套环幵口 处的锁紧螺栓、 位于套环一侧的预紧件、 设在套管内的弹片， 在所述直管竖直 方向上间隔地设有至少两个高度定位孔， 所述弹片装入到套管后其上的销柱从 套管的销柱孔中弹出后滑落到对应位置上的那个高度定位孔中。
[0016] 在对上述手拉式折叠滑板车的改进方案中， 所述的钢性拉绳通过一倒" U"型的 连接耳与幵合锁定柱连接， 连接耳安装在杆座内。
[0017] 与现有技术相比， 本发明具有如下优点： 由于收折结构只用幵合锁定柱、 弹性 件和钢性拉绳等三个部件就可实现滑板车在展幵、 收折状态吋的锁定， 因此本 发明的结构更合理、 生产成本更低； 另外， 当要展幵或收折吋， 只要用手拉钢 性拉绳来带动幵合锁定柱离幵展幵卡槽或折叠卡槽， 然后稍微转动把手杆后松 幵拉绳， 就可以在弹性件的作用下沿耦片的弧形面摆动滑行直到自动滑落到另 一个卡槽中即可自动锁定展幵或收折状态， 因此它的收折或展幵操作简单和方 便。
[0018] 下面结合附图与具体实施方式对本发明作进一步的详细描述：
[0019] 【附图说明】
[0020] 图 1是本发明实施例一在展幵状态吋的立体示意图；
[0021] 图 2是本发明实施例一在收折状态吋的立体示意图；
[0022] 图 3是本发明实施例一的局部组装示意图；
[0023] 图 4是本发明实施例一的伸缩调节结构的分解示意图；
[0024] 图 5是本发明实施例一的弹性按压片的立体示意图；
[0025] 图 6是本发明实施例二在展幵状态吋的立体示意图一；
[0026] 图 7是本发明实施例二在展幵状态吋的立体示意图二 （拆除保护罩后） ；
[0027] 图 8是本发明实施例二的立体示意图 （收折状态） ；
[0028] 图 9是本发明实施例二的局部组装示意图；
[0029] 图 10是图 9的局部 I放大图；
[0030] 图 11是本发明实施例二的伸缩调节结构的分解示意图。
[0031] 【具体实施方式】
[0032] 本发明为一种手拉式折叠滑板车， 如图 1至 3、 6至 11所示， 包括有前轮 1、 后轮 2、 踏板座 3、 把手杆 4、 把手 5， 在位于所述踏板座 3前端设有一对平行相隔的耦 片 6， 在所述把手杆 4下端设有刚好落在这对耦片 6之间的杆座 41， 所述把手杆 4 通过横穿过杆座 41和耦片 6的摆动轴 7来摆动幵合； 在所述耦片 6和杆座 41之间设 有控制把手杆能否幵合的收折结构 8; 在所述耦片 6的竖壁上设有以摆动轴 7的轴 心为圆心的弧形面 61， 在所述耦片 6的弧形面 61两头分别设有展幵卡槽 62和折叠 卡槽 63; 所述的收折结构 8包括有沿该弧形面 61摆动滑行后滑落到展幵卡槽 62或 折叠卡槽 63中的幵合锁定柱 81、 将幵合锁定柱 81拉近该摆动轴的轴心的弹性件 8 2、 用来将幵合锁定柱 81拉出展幵卡槽 62和折叠卡槽 63的钢性拉绳 83; 在所述杆 座 41上设有条形槽 411， 外力作用下的幵合锁定柱 81在该条形槽中滑动后就可以 进出展幵卡槽 62或折叠卡槽 63。 当滑板车处于展幵状态吋， 幵合锁定柱 81滑落 在耦片的展幵卡槽 62中， 这样就可以供小孩玩耍使用了， 如图 1、 6、 7所示； 当 要收折起来携带或收藏吋， 用手拉动钢性拉绳 83， 使幵合锁定柱 81在克服弹性 件 82的作用力后在杆座 41的条形槽 411中往外滑行到离幵展幵卡槽 62， 这吋就可 以稍微收折一个小角度， 然后松幵拉绳， 使幵合锁定柱 81与耦片 6的弧形面 61接 触， 接着继续将把手杆 4合向踏板座 3的同吋， 幵合锁定柱 81沿耦片 6的弧形面 61 滑向折叠卡槽 63， 直到自动滑落到折叠卡槽 63中， 即完成了滑板车的折叠过程 ， 如图 2、 8所示。 同样地， 当要展幵滑板车来使用吋， 用手拉动钢性拉绳 83， 使幵合锁定柱 81在克服弹性件 82的作用力后在杆座 41的条形槽 411中往外滑行至 离幵折叠卡槽 63， 这吋就可以稍微展幵一个小角度， 然后松幵拉绳， 使幵合锁 定柱 81与耦片 6的弧形面 61接触， 接着继续将把手杆 4摆离踏板座 3的同吋， 幵合 锁定柱 81沿耦片 6的弧形面 61滑向展幵卡槽 62， 直到自动滑落到展幵卡槽 62中， 即完成了滑板车的展幵过程， 如图 1、 6所示。 从上可以看出， 这个收折结构只 用幵合锁定柱 81、 弹性件 82和钢性拉绳 83等三个部件就可实现滑板车在展幵、 收折状态吋的锁定， 因此本发明的结构更合理、 生产成本更低； 另外， 当要展 幵或收折吋， 只要用手拉钢性拉绳来带动幵合锁定柱沿杆座 41的条形槽 411滑动 离幵展幵卡槽或折叠卡槽， 然后稍微转动把手杆后松幵拉绳， 就可以在弹性件 的作用下沿耦片的弧形面摆动滑行直到自动滑落到另一个槽中即可自动锁定展 幵或收折状态， 因此它的收折或展幵操作简单和方便。 在此， 弹性件 82是拉簧 ， 其两端分别连接在幵合锁定柱 81和摆动轴 7上。
[0033] 在实施例一中， 如图 1至 3所示， 所述的前轮 1有两个， 滑板车在收折并竖直立 起来吋所述的这对耦片 6的地面支撑点 64和这对前轮 1的地面切点 11刚好连成一 条与地面相平的水平直线， 如图 2所示， 这样就可以使处于收折状态的滑板车平 稳地竖直立起来而不易倒下来， 以便于人们存放收藏或竖直提取整个滑板车。 在实施例二中， 如图 6至 9所示， 所述的前轮 1有一个。
[0034] 钢性拉绳 83的拉手端可设在滑板车的不同位置上， 只要用手能拉动拉绳即可。
优选地， 所述钢性拉绳 83的拉手端设在把手杆 4的上端， 这样在收折或展幵滑板 车吋， 非常方便地操作拉环来进行收合滑板车， 而不用弯下身来拉动拉绳。 在 实施例一中， 如图 1至 3所示， 为了在手指拉动拉绳吋更舒服， 在所述钢性拉绳 8 3的拉手端设有扁平、 用软质材料制成的拉环 84， 它刚好在套管伸缩调节结构 9 上并由套管伸缩调节结构 9托住。 而在实施例二中， 如图 6至 10所示， 在所述钢 性拉绳 83的拉手端设有滑动套在把手杆上端外的拉动套管 85， 拉动套管 85在复 位状态吋， 其刚好被位于把手杆一侧的中空的伸出凸肩 44挡住以免掉落下来， 钢性拉绳 83穿过中空的伸出凸肩 44后与位于凸肩上方的拉动套管 85连接以使拉 绳藏在伸出凸肩中， 当要操作收折结构吋， 用手握在拉动套管 85上并往上拉， 即可拉动钢性拉绳 83来使幵合锁定柱 81沿杆座 41的条形槽 411滑动离幵展幵卡槽 或折叠卡槽， 然后就可以展幵或收折滑板车了， 这样除了在操作收折结构吋手 握在拉动套管 85外更舒服， 还可以使滑板车的外形更美观。
在实施例一中， 如图 4、 5所示， 所述的把手杆 4包括有下端与杆座 41固定连接 的直管 42、 可伸缩套入到该直管 42内的 T型套管 43， 在所述直管 42和套管 43之间 设有套管伸缩调节结构 9， 其包括有套在直管端口处的幵口型套环 91、 穿插在套 环 91幵口处的锁紧螺栓 92、 位于套环 91一侧的预紧件 93、 设在套管 43内的至少 两个弹片 94 (根据伸缩调节的档位来定弹片数量） ， 所有弹片 94依次上下排列 地装入到套管后其上的销柱 95分别从套管 43对应的销柱孔 431中弹出， 在此有两 个弹片 94， 相应地在套管上设有与弹片数量相同的上下两个销柱孔 431 ; 在所述 直管 42和套环 91上分别设有供对应位置上的那个弹片的销柱穿出并外露出套环 9 1的销柱孔 421、 911， 当套管内的不同弹片的销柱从直管和套环的销柱孔中弹出 吋， 就可实现伸缩调节， 这跟目前用来伸缩调节的结构一致， 所不同的是在套 环 91与预紧件 93之间设有 S型的弹性按压片 96， 所述弹性按压片 96—端固定在位 于套环 91和预紧件 93之间的那段螺栓上， 另一端呈弧形地弯向套环 91， 这样要 按压销柱 95使之缩入到套管 43内来伸缩调节吋， 就可以直接按压到弹性按压片 9 6上， 再由弹性按压片 96将销柱 95压入到套管内， 这比起当前用手指直接捏在销 柱上所带来的手指疼痛来说， 弹性按压片 96就可以避免这种疼痛感， 使到人们 在伸缩调节把手杆吋更舒服、 也更合理。 由于直管和套环的厚度较厚， 有吋难 以用手指将销柱按入到套管内， 因此为了更好地将销柱按压到套管内， 优选地 ， 使弹性按压片 96在对向套环 91的销柱孔 911的那一侧上设有顶入凸起 961， 目 的是有足够的长度来使销柱缩回到套管内， 如图 5所示， 当手按在弹性按压片上 吋， 顶入凸起 961刚好将销柱 95压入到套管内。 [0036] 在实施例二中， 如图 6至 11所示， 所述的把手杆 4包括有下端与杆座 41 固定连接的直管 42、 可伸縮套入到该直管 42内的 T型套管 43， 在所述直管 42 和套管 43之间设有套管伸縮调节结构 9， 其包括有套在直管端口处的开口型套 环 91、 穿插在套环 91开口处的锁紧螺栓 92、 位于套环 91一侧的预紧件 93、 设 在套管 43 内的弹片 94， 在所述直管 42竖直方向上间隔地设有至少两个高度定 位孔 421， 所述弹片 94装入到套管 43后其上的销柱 95从套管 43的销柱孔 431 中弹出后滑落到对应位置上的那个高度定位孔 421中， 在此有两个高度定位孔。 当要伸縮调节时， 先使预紧件 93解除对直管 42和套管 43的锁紧后， 用手按压 弹片 94上的销柱 95使之从直管 42的高度定位孔 421縮进到套管 43的销柱孔 431中时， 就可实现拉动套管来伸縮调节， 这跟目前滑板车常用的伸縮调节结构 一致。
[0037] 在实施例一、 二中， 如图 3、 10所示， 钢性拉绳 83通过一倒 " U "型的 连接耳 86与幵合锁定柱 81连接， 连接耳 86安装在杆座 41内， 在连接时， 钢性 拉绳 83下端连接在连接耳 86的横板 861上， 而开合锁定柱 81横穿过连接耳 86 的两竖板 862后， 其每一端都穿过杆座 41的条形槽 411和落在耦片 6的展开卡 槽 62或折叠卡槽 63中， 这样在拉动钢性拉绳 83来收折或展幵操作时， 可以使 开合锁定柱 81两端更加同步地离开或滑落到那对耦片 6的展开卡槽 62或折叠卡 槽 63， 从而使展开、 收折的操作更可靠。
[0038] 在实施例二中， 如图 6、 8所示， 在杆座 41、 耦片 6外分别设有保护罩 10、 20，这样既可以更好地保护小孩以免受到夹伤，又可以使整车的外形更美观。
[0039] 尽管参照上面实施例详细说明了本发明， 但是通过本公开对于本领域技 术人员显而易见的是，在不脱离所述的权利要求限定的本发明的原理及精神范围 的情况下， 可对本发明做出各种变化或修改。 因此， 本公开实施例的详细描述仅 用来解释， 而不是用来限制本发明。
替换页 （细则第 26条)

Claims

权利要求书
[权利要求 1] 一种手拉式折叠滑板车， 包括有前轮、 后轮、 踏板座、 把手杆、 把手
， 其特征在于， 在位于所述踏板座前端设有一对平行相隔的耦片， 在 所述把手杆下端设有刚好落在这对耦片之间的杆座， 所述把手杆通过 横穿过杆座和耦片的摆动轴来摆动幵合； 在所述耦片和杆座之间设有 控制把手杆能否幵合的收折结构； 在所述耦片的竖壁上设有以摆动轴 的轴心为圆心的弧形面； 在所述耦片的弧形面两头分别设有展幵卡槽 和折叠卡槽； 所述的收折结构包括有沿该弧形面摆动滑行后滑落到展 幵卡槽或折叠卡槽中的幵合锁定柱、 将幵合锁定柱拉近该摆动轴的轴 心的弹性件、 用来将幵合锁定柱拉出展幵卡槽和折叠卡槽的钢性拉绳 ； 在所述杆座上设有供外力作用下的幵合锁定柱滑动来进出对应的那 个卡槽的条形槽。
[权利要求 2] 根据权利要求 1所述的手拉式折叠滑板车， 其特征在于， 所述的前轮 有两个， 滑板车在收折并竖直立起来吋所述的这对耦片的地面支撑点 和这对前轮的地面切点刚好连成一条与地面相平的水平直线。
[权利要求 3] 根据权利要求 1或 2所述的手拉式折叠滑板车， 其特征在于， 所述钢性 拉绳的拉手端设在把手杆的上端。
[权利要求 4] 根据权利要求 3所述的手拉式折叠滑板车， 其特征在于， 在所述钢性 拉绳的拉手端设有扁平、 用软质材料制成的拉环。
[权利要求 5] 根据权利要求 3所述的手拉式折叠滑板车， 其特征在于， 在所述钢性 拉绳的拉手端设有滑动套在把手杆上端外的拉动套管。
[权利要求 6] 根据权利要求 4或 5所述的手拉式折叠滑板车， 其特征在于， 所述的把 手杆包括有下端与杆座固定连接的直管、 可伸缩套入到该直管内的 T 型套管； 在所述直管和套管之间设有套管伸缩调节结构， 其包括有套 在直管端口处的幵口型套环、 穿插在套环幵口处的锁紧螺栓、 位于套 环一侧的预紧件、 设在套管内的至少两个弹片， 所有弹片依次上下排 列地装入到套管后其上的销柱分别从套管对应的销柱孔中弹出， 在此 有两个弹片， 相应地在套管上设有与弹片数量相同的上下两个销柱孔 ； 在所述直管和套环上分别设有供对应位置上的那个弹片的销柱穿出 并外露出套环的销柱孔； 在所述套环与预紧件之间设有 S型的弹性按 压片， 所述弹性按压片一端固定在位于套环和预紧件之间的那段螺栓 上， 另一端呈弧形地弯向套环； 所述弹性按压片能将销柱压入到套管 内。
根据权利要求 6所述的手拉式折叠滑板车， 其特征在于， 所述弹性按 压片在对向套环的销柱孔的那一侧上设有顶入凸起。
根据权利要求 7所述的手拉式折叠滑板车， 其特征在于， 所述的钢性 拉绳通过一倒 "U"型的连接耳与幵合锁定柱连接， 连接耳安装在杆座 内。
根据权利要求 4或 5所述的手拉式折叠滑板车， 其特征在于， 所述的把 手杆包括有下端与杆座固定连接的直管、 可伸缩套入到该直管内的 T 型套管， 在所述直管和套管之间设有套管伸缩调节结构， 其包括有套 在直管端口处的幵口型套环、 穿插在套环幵口处的锁紧螺栓、 位于套 环一侧的预紧件、 设在套管内的弹片， 在所述直管竖直方向上间隔地 设有至少两个高度定位孔， 所述弹片装入到套管后其上的销柱从套管 的销柱孔中弹出后滑落到对应位置上的那个高度定位孔中。
根据权利要求 9所述的手拉式折叠滑板车， 其特征在于， 所述的钢性 拉绳通过一倒 "U"型的连接耳与幵合锁定柱连接， 连接耳安装在杆座 内。
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