WO2018023529A1 - 一种平衡车车轮固定结构和平衡车 - Google Patents

一种平衡车车轮固定结构和平衡车 Download PDF

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Publication number
WO2018023529A1
WO2018023529A1 PCT/CN2016/093196 CN2016093196W WO2018023529A1 WO 2018023529 A1 WO2018023529 A1 WO 2018023529A1 CN 2016093196 W CN2016093196 W CN 2016093196W WO 2018023529 A1 WO2018023529 A1 WO 2018023529A1
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movable shaft
axle
fixing structure
structure according
cap
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PCT/CN2016/093196
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English (en)
French (fr)
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尚艳燕
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尚艳燕
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Priority to PCT/CN2016/093196 priority Critical patent/WO2018023529A1/zh
Publication of WO2018023529A1 publication Critical patent/WO2018023529A1/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
    • B62K3/00—Bicycles
    • 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

Definitions

  • the present invention relates to the field of balance vehicle control, and more particularly to a balance vehicle wheel fixing structure and a balance vehicle.
  • Electric balance car also known as body car, thinking car
  • its operation principle is mainly based on a basic principle called “dynamic stability", using the gyroscope and acceleration sensor inside the car body to detect the posture of the car body.
  • Change using the servo control system, accurately drive the motor to adjust accordingly to maintain the balance of the system.
  • the existing balance car vehicles occupy a larger place and require a larger space when not in use. And the wheels are easy to roll, and the balance car has no parking brakes, so it is easy to move.
  • the technical problem to be solved by the present invention is to provide a balance vehicle wheel fixing structure and a balance vehicle that can be accommodated in a wheel.
  • a balance wheel structure for a balance vehicle includes a hollow pipe body; a spring is disposed in the hollow pipe body; a spring inner sleeve is provided with a movable shaft; one end of the movable shaft is movably connected with the axle, and the other end is abutted The spring is held; the axle can be sleeved into the hollow body.
  • the present invention discloses a balance vehicle comprising the balance vehicle wheel securing structure of the present invention.
  • the technical effect of the invention is that the invention utilizes the cooperation of the hollow pipe body, the movable shaft and the spring to realize the folding of the wheel of the balance vehicle.
  • the rotating axle is parallel to the movable shaft.
  • the movable shaft and the axle can be embedded in the hollow tubular body.
  • the tire is perpendicular to the hollow tubular body and is in a normal driving state.
  • folding the wheel pull the wheel so that the shaft is completely exposed to the hollow tube body, and then turn to the axle to make it perpendicular to the movable shaft. At this time, the wheel is parallel with the hollow tube body and folded.
  • the axle Under the action of the spring, the axle is clamped at the opening of the hollow pipe body to maintain the folded state of the wheel.
  • the entire folding structure can be accommodated in the hollow tube body, the space is very small, and can be applied to different styles of balance cars.
  • FIG. 1 is a schematic structural view of a balance car according to an embodiment of the present invention.
  • FIG. 2 is an exploded perspective view of a wheel fixing structure according to an embodiment of the present invention.
  • FIG. 3 is a front elevational view showing the running state of the wheel of the wheel fixing structure according to the embodiment of the present invention.
  • Figure 4 is a side elevational view showing the running state of the wheel of the wheel fixing structure according to the embodiment of the present invention.
  • Figure 5 is a cross-sectional view taken along line A-A of Figure 4.
  • Figure 6 is a perspective view showing the intermediate state of the wheel fixing structure wheel in the embodiment of the present invention.
  • Figure 7 is a perspective view showing the folded state of the wheel of the wheel fixing structure according to the embodiment of the present invention.
  • Figure 8 is a side elevational view showing the running state of the wheel of the wheel fixing structure according to the embodiment of the present invention.
  • Figure 9 is a cross-sectional view taken along line B-B of Figure 8.
  • FIG. 10 is a schematic structural view of a cap of an embodiment of the present invention.
  • Figure 11 is a schematic view showing the structure of a movable shaft according to an embodiment of the present invention.
  • Figure 12 is a schematic view showing the structure of an axle and a wheel of an embodiment of the present invention.
  • hollow pipe body 20, spring; 30, movable shaft; 31, groove; 32, rotating shaft; 33, disc; 34, concave curved surface; 40, cap sleeve; 50, axle; 51, fixed Department; 52, base; 53, convex curved surface; 60, wheel; 70, plane; 80, car body.
  • the invention discloses a balance car, which comprises a vehicle body; the vehicle body is provided with a wheel fixing structure.
  • the wheel fixing structure comprises a hollow pipe body; the hollow pipe body is provided with a spring; the spring inner sleeve is provided with a movable shaft; one end of the movable shaft is movably connected with the axle shaft, and the other end is abutting against the spring; the wheel axle can be sleeved into the hollow pipe body .
  • the invention utilizes the cooperation of the hollow pipe body, the movable shaft and the spring to realize the folding of the balance wheel.
  • the rotating axle is parallel to the movable shaft.
  • the movable shaft and the axle can be embedded in the hollow tubular body.
  • the tire is perpendicular to the hollow tubular body and is in a normal driving state.
  • folding the wheel pull the wheel so that the shaft is completely exposed to the hollow tube body, and then turn to the axle to make it perpendicular to the movable shaft.
  • the wheel is parallel with the hollow tube body and folded.
  • the axle is clamped at the opening of the hollow pipe body to maintain the folded state of the wheel.
  • the entire folding structure can be accommodated in the hollow tube body, the space is very small, and can be applied to different styles of balance cars.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining “first” and “second” may include one or more of the features either explicitly or implicitly.
  • a plurality means two or more unless otherwise stated.
  • the term “comprises” and its variations are intended to cover a non-exclusive inclusion.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components.
  • Connected, or integrally connected can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components.
  • General technology in the art For the personnel, the specific meaning of the above terms in the present invention can be understood in a specific case.
  • the wheel 60 fixing structure disclosed in the embodiment includes a hollow pipe body 10; the hollow pipe body 10 is provided with a spring 20; the spring 20 is sleeved with a movable shaft 30; one end of the movable shaft 30 is movably connected with the axle 50, and the other end is abutted against the spring. 20; The axle 50 can be sleeved into the interior of the hollow tubular body 10.
  • the opening of the hollow tubular body 10 is sleeved with a cap 40; the diameter of the cap 40 is smaller than the inner diameter of the hollow nozzle; and the end of the spring 20 adjacent to the axle 50 abuts against the opening of the cap 40 edge.
  • the cap sleeve 40 is screwed to the opening of the hollow tubular body 10. The detachment of the movable shaft 30 and the spring 20 can be facilitated by the cap 40, and can be matched with the movable shaft 30 to form a positioning structure of the spring 20.
  • the inner top surface and the bottom surface of the cap 40 are both flat 70; correspondingly, the upper surface and the lower surface of the movable shaft 30 are also flat surfaces 70, and cooperate with the inner top surface and the bottom surface of the cap 40 to form a limiting structure for restricting the rotation of the movable shaft 30.
  • the movable shaft 30 is restrained by the inner diameter shape of the cap 40, and the rotation shaft 32 is prevented from rotating, so that the limit structure is not required in the hollow pipe body 10, and the manufacturing cost is reduced.
  • the length of the axle 50 is greater than the diameter of the cap 40.
  • An end of the movable shaft 30 fixed to the axle 50 is provided with a groove 31; a rotating shaft 32 is disposed between the inner walls of the groove 31; correspondingly, the axle 50 is embedded in the groove 31; the axle 50 is provided
  • the through hole of the rotating shaft 32 is sleeved; when the axle 50 is rotated parallel to the movable shaft 30, the rotating shaft 32 can be inserted into the hollow tubular body 10 together with the movable shaft 30; when the rotating shaft 32 is rotated perpendicular to the movable shaft 30, the rotating shaft 32 is abutted Close to the opening of the cap 40.
  • the axle 50 includes a fixing portion 51 that cooperates with the groove 31, and a base 52 that is coupled to the fixing portion 51.
  • the end surface of the movable shaft 30 at one end of the groove 31 is a concave curved surface 34; the base 52 is The joint portion 51 is provided with a convex curved surface 53 adapted to the concave curved surface 34.
  • the curved surface facilitates friction reduction when the axle 50 is rotated.
  • a disc 33 is connected to one end of the movable shaft 30 opposite to the axle 50; the outer diameter of the disc 33 coincides with the inner diameter of the hollow tubular body 10.
  • the present invention does not necessarily require the cap 40. It is also feasible to form the positioning structure of the spring 20 and the movable shaft 30 directly inside the hollow tubular body 10. There are fewer parts and a more compact structure. Specifically, the hollow tube body 10 adopts a non-circular structure inside, and may adopt an elliptical shape, a rectangular shape, or the like.
  • the inner top surface and the bottom surface may be disposed as a plane 70; correspondingly, the upper surface and the lower surface of the movable shaft 30 It is also a flat surface 70 which cooperates with the inner top surface and the bottom surface of the hollow tubular body 10 to form a limiting structure for restricting the rotation of the movable shaft 30; then a concave edge is provided at the opening of the hollow tubular body 10 for positioning the spring 20.
  • the length of the axle 50 is larger than the inner diameter of the hollow tubular body 10.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)

Abstract

一种平衡车车轮（60）固定结构和平衡车，平衡车车轮（60）固定结构包括空心管体（10），空心管体（10）内设有弹簧（20），弹簧（20）内套设有活动轴（30），活动轴（30）一端与轮轴（50）活动连接，另一端抵住弹簧（20），轮轴（50）可套设进入空心管体（10）内部。

Description

一种平衡车车轮固定结构和平衡车 【技术领域】
本发明涉及平衡车控制领域，更具体的说，涉及一种平衡车车轮固定结构和平衡车。
【背景技术】
电动平衡车，又叫体感车、思维车，其运作原理主要是建立在一种被称为“动态稳定”的基本原理上，利用车体内部的陀螺仪和加速度传感器，来检测车体姿态的变化，利用伺服控制系统，精确地驱动电机进行相应的调整，以保持系统的平衡。
现有的电动平衡车一般有两种，一种是车体上具有一个操作杆，使用者站在电动平衡车的脚踏平台上对操作杆进行操作，从而前进、后退及停止，这样的控制也称“手控”。另一种是车体由两部分组成，左部分和右部分之间通过转动机构实现相互转动，从而实现“脚控”。
现有的平衡车车辆比较占用地方，在不使用的时候需要占用较大的空间。且车轮容易滚动，而平衡车又没有停车刹车装置，因此也容易走位。
【发明内容】
本发明所要解决的技术问题是提供一种车轮可收纳的平衡车车轮固定结构和平衡车。
本发明的目的是通过以下技术方案来实现的：
根据本发明的一个方面，本发明公开了一种平衡车车轮固定结构，包括空心管体；空心管体内设有弹簧；弹簧内套设有活动轴；活动轴一端与轮轴活动连接，另一端抵住弹簧；所述轮轴可套设进入空心管体内部。
根据本发明的另一个方面，本发明公开了一种平衡车，所述平衡车包括本发明所述的平衡车车轮固定结构。
与现有技术相比，本发明的技术效果是：本发明利用空心管体、活动轴和弹簧的配合实现平衡车车轮折叠。在正常使用时，转动轮轴跟活动轴平行，在弹簧的弹性作用下，活动轴、轮轴可以嵌入到空心管体内，此时轮胎跟空心管体垂直，为正常行驶状态。折叠车轮时，拉动车轮，使转轴全部露出空心管体，然后转到轮轴，使其与活动轴垂直，此时车轮与空心管体平行，处以折叠状态。在弹簧作用下，轮轴卡在空心管体的开口处定位，维持车轮折叠状态。另外，整个折叠结构都能容纳到空心管体内，空间占用极小，能适用于不同款式的平衡车。
【附图说明】
图1是本发明实施例平衡车结构示意图；
图2是本发明实施例车轮固定结构分解示意图；
图3是本发明实施例车轮固定结构车轮行驶状态的正视示意图；
图4是本发明实施例车轮固定结构车轮行驶状态的侧视示意图；
图5是图4沿A-A的剖面示意图；
图6是本发明实施例车轮固定结构车轮折叠中间状态的立体示意图；
图7是本发明实施例车轮固定结构车轮折叠状态的立体示意图；
图8是本发明实施例车轮固定结构车轮行驶状态的侧视示意图；
图9是图8沿B-B的剖面示意图；
图10是本发明实施例帽套结构示意图；
图11是本发明实施例活动轴结构示意图；
图12是本发明实施例轮轴和车轮的结构示意图。
其中：10、空心管体；20、弹簧；30、活动轴；31、凹槽；32、转轴；33、圆盘；34、内凹弧面；40、帽套；50、轮轴；51、固定部；52、基座；53、外凸弧面；60、车轮；70、平面；80、车体。
【具体实施方式】
本发明公开一种平衡车，所述平衡车包括车体；所述车体设有车轮固定结构。所述车轮固定结构包括空心管体；空心管体内设有弹簧；弹簧内套设有活动轴；活动轴一端与轮轴活动连接，另一端抵住弹簧；所述轮轴可套设进入空心管体内部。
本发明利用空心管体、活动轴和弹簧的配合实现平衡车车轮折叠。在正常使用时，转动轮轴跟活动轴平行，在弹簧的弹性作用下，活动轴、轮轴可以嵌入到空心管体内，此时轮胎跟空心管体垂直，为正常行驶状态。折叠车轮时，拉动车轮，使转轴全部露出空心管体，然后转到轮轴，使其与活动轴垂直，此时车轮与空心管体平行，处以折叠状态。在弹簧作用下，轮轴卡在空心管体的开口处定位，维持车轮折叠状态。另外，整个折叠结构都能容纳到空心管体内，空间占用极小，能适用于不同款式的平衡车。
在本发明的描述中，需要理解的是，术语“中心”、“横向”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中，除非另有说明，“多个”的含义是两个或两个以上。另外，术语“包括”及其任何变形，意图在于覆盖不排他的包含。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术 人员而言，可以具体情况理解上述术语在本发明中的具体含义。
这里所使用的术语仅仅是为了描述具体实施例而不意图限制示例性实施例。除非上下文明确地另有所指，否则这里所使用的单数形式“一个”、“一项”还意图包括复数。还应当理解的是，这里所使用的术语“包括”和/或“包含”规定所陈述的特征、整数、步骤、操作、单元和/或组件的存在，而不排除存在或添加一个或更多其他特征、整数、步骤、操作、单元、组件和/或其组合。
下面参考图1至图12描述本发明实施例的平衡车车轮固定机构和平衡车。
本实施方式公开的车轮60固定结构包括空心管体10；空心管体10内设有弹簧20；弹簧20内套设有活动轴30；活动轴30一端与轮轴50活动连接，另一端抵住弹簧20；所述轮轴50可套设进入空心管体10内部。
可选的，空心管体10的开口处套设有帽套40；所述帽套40的孔径小于空心管口的内径；所述弹簧20临近轮轴50的一端抵紧在帽套40开口的内边缘。帽套40通过螺纹固定在空心管体10开口处。通过帽套40可以方便活动轴30、弹簧20的拆装，且可以跟活动轴30配合形成弹簧20的定位结构。
帽套40内部顶面和底面均为平面70；相应的，活动轴30上表面和下表面也是平面70，与帽套40内部顶面和底面配合形成限制活动轴30转动的限位结构。利用帽套40的内径形状对活动轴30进行限位，防止转轴32转动，这样无须再空心管体10内设置限位结构，降低生产制造成本。
所述轮轴50的长度大于所述帽套40的口径。这样转轴32与帽套40垂直的时候，即在车轮60折叠的时候利用弹簧20的应力卡在帽套40开口处，实现自动定位。
所述活动轴30与轮轴50固定的一端设有凹槽31；所述凹槽31两内壁之间设有转轴32；相应的，所述轮轴50嵌入凹槽31内；所述轮轴50设有套设转轴32的通孔；当轮轴50转动到与活动轴30平行时，转轴32可连同活动轴30嵌入到空心管体10内部；当转轴32转动到与活动轴30垂直时，转轴32抵紧在帽套40开口处。
轮轴50包括与所述凹槽31配合的固定部51，与固定部51连接的基座52；所述活动轴30在凹槽31一端的端面为内凹弧面34；所述基座52与固定部51连接处设有与内凹弧面34适配的外凸弧面53。弧面有利于转动轮轴50时降低摩擦。
所述活动轴30与轮轴50相对的一端连接有圆盘33；所述圆盘33的外径与空心管体10的内径一致。这样活动轴30套设弹簧20后，弹簧20尾端就能抵住圆盘33，通过弹簧20的回弹力拖动活动轴30往空心管体10内部运动。
可选的，本发明也并非一定要帽套40，直接在空心管体10内部形成弹簧20和活动轴30的定位结构也是可行的。这样部件更少，结构更紧凑一些。具体来说，空心管体10内部采用非圆形结构，可以采用椭圆形、矩形等，当然，也可以在内部的顶面和底面设置为平面70；相应的，活动轴30上表面和下表面也是平面70，与空心管体10内部顶面和底面配合形成限制活动轴30转动的限位结构；然后在空心管体10的开口处设置内凹的边缘，用于定位弹簧20。此时，轮轴50的长度大于所述空心管体10的内径。活动轴30、轮轴50等结构可以参考前面描述，在此不再赘述。
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明，不能认定本发明的具体实施只局限于这些说明。对于本发明所属技术领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本发明的保护范围。

Claims (10)

  1. 一种平衡车车轮固定结构，其中，包括空心管体；空心管体内设有弹簧；弹簧内套设有活动轴；活动轴一端与轮轴活动连接，另一端抵住弹簧；所述轮轴可套设进入空心管体内部。
  2. 根据权利要求1所述的平衡车车轮固定结构，其中，所述空心管体的开口处套设有帽套；所述帽套的孔径小于空心管口的内径；所述弹簧临近轮轴的一端抵紧在帽套开口的内边缘。
  3. 根据权利要求1所述的平衡车车轮固定结构，其中，所述帽套内部顶面和底面均为平面；相应的，活动轴上表面和下表面也是平面，与帽套内部顶面和底面配合形成限制活动轴转动的限位结构。
  4. 根据权利要求2所述的平衡车车轮固定结构，其中，所述轮轴的长度大于所述帽套的口径。
  5. 根据权利要求2所述的平衡车车轮固定结构，其中，所述活动轴与轮轴固定的一端设有凹槽；所述凹槽两内壁之间设有转轴；相应的，所述轮轴嵌入凹槽内；所述轮轴设有套设转轴的通孔；当轮轴转动到与活动轴平行时，转轴可连同活动轴嵌入到空心管体内部；当转轴转动到与活动轴垂直时，转轴抵紧在帽套开口处。
  6. 根据权利要求5所述的平衡车车轮固定结构，其中，所述轮轴包括与所述凹槽配合的固定部，与固定部连接的基座；所述活动轴在凹槽一端的端面为内凹弧面；所述基座与固定部连接处设有与内凹弧面适配的外凸弧面。
  7. 根据权利要求1所述的平衡车车轮固定结构，其中，所述空心管体内部顶面和底面均为平面；相应的，活动轴上表面和下表面也是平面，与空心管体内部顶面和底面配合形成限制活动轴转动的限位结构。
  8. 根据权利要求7所述的平衡车车轮固定结构，其中，所述轮轴的长度大于所述空心管体的内径。
  9. 根据权利要求1所述的平衡车车轮固定结构，其中，所述活动轴与轮轴相对的一端连接有圆盘；所述圆盘的外径与空心管体的内径一致。
  10. 一种平衡车，其中，包括如权利要求1-9任一所述的平衡车车轮固定结构。
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