WO2018039912A1 - 平衡车车轮固定结构与平衡车 - Google Patents

平衡车车轮固定结构与平衡车 Download PDF

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Publication number
WO2018039912A1
WO2018039912A1 PCT/CN2016/097329 CN2016097329W WO2018039912A1 WO 2018039912 A1 WO2018039912 A1 WO 2018039912A1 CN 2016097329 W CN2016097329 W CN 2016097329W WO 2018039912 A1 WO2018039912 A1 WO 2018039912A1
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Prior art keywords
hole
wheel
fixing structure
vehicle body
balance
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PCT/CN2016/097329
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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/CN2016/097329 priority Critical patent/WO2018039912A1/zh
Publication of WO2018039912A1 publication Critical patent/WO2018039912A1/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
    • 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
    • B62K25/00—Axle suspensions
    • B62K25/02—Axle suspensions for mounting axles rigidly on cycle frame or fork, e.g. adjustably

Definitions

  • the present invention relates to the field of balancing vehicles and, more particularly, to balancing vehicle wheel securing structures and balancing vehicles.
  • 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 and use the servo control system to accurately drive the motor to adjust accordingly to maintain the balance of the system.
  • the existing balance car is more occupied and needs to occupy 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 car wheel fixing structure and a balance car that are convenient to be stored.
  • the present invention discloses a balance wheel fixing structure
  • the balance vehicle includes a vehicle body, and a bottom of the vehicle body is provided with a support arm, and one end of the support arm is rotatably fixed to the bottom of the vehicle body. The other end is rotatably fixed to the wheel;
  • the support arm is provided with a through hole, the through hole is provided with a pin body movable along the through hole, and the bottom of the vehicle body is further provided with a first positioning hole matched with the pin body
  • a second positioning hole the pin body is engaged with the first positioning hole when the support arm is rotated to the unfolded state; and the pin body is engaged with the second positioning hole when the support arm is rotated to the contracted state.
  • the present invention also discloses a balance vehicle comprising the balance wheel fixing structure of the present invention.
  • the technical effect of the present invention is that: the present invention adopts a rotating support arm, and can rotate the whole wheel to the bottom of the vehicle body for storage in a folded state, which is beneficial to reducing the occupied space in the folded state of the balance vehicle.
  • the pin body and the positioning hole are matched, and the position of the support arm in the unfolded state and the folded state can be easily found during the rotation process, and the folding and unfolding operations are convenient.
  • FIG. 1 is a schematic plan view showing the structure of a balance car in a folded state of a wheel according to an embodiment of the present invention
  • FIG. 2 is a schematic perspective structural view of a balance car in a folded state of a wheel according to an embodiment of the present invention
  • FIG. 3 is a schematic plan view showing the state of the balance vehicle in the middle of the wheel according to the embodiment of the present invention.
  • FIG. 4 is a schematic perspective structural view of a balance vehicle in a middle state of a wheel according to an embodiment of the present invention
  • Figure 5 is a plan view showing the planar structure of the balance car in the middle of the wheel according to the embodiment of the present invention.
  • Figure 6 is a perspective view showing the three-dimensional structure of the balance car in the middle of the wheel according to the embodiment of the present invention.
  • Figure 7 is a cross-sectional, exploded view of Figure 5 taken along line A-A;
  • FIG. 8 is a schematic exploded view of a balance vehicle in a wheel fixing structure according to an embodiment of the present invention.
  • Figure 9 is a schematic view showing the structure of a wheel of an embodiment of the present invention.
  • the invention discloses a balance vehicle, which comprises a vehicle body and a balance vehicle wheel fixing structure.
  • the balance wheel fixing structure comprises a support arm disposed at the bottom of the vehicle body, one end of the support arm is rotatably fixed to the bottom of the vehicle body, and the other end is rotatably fixed to the wheel;
  • the support arm is provided with a through hole and a through hole a pin body movable along the through hole is disposed therein, and the bottom of the vehicle body is further provided with a first positioning hole and a second positioning hole that cooperate with the pin body, and the pin body is rotated when the support arm is rotated to the unfolded state Cooperating with the first positioning hole; when the support arm is rotated to the contracted state, the pin body cooperates with the second positioning hole.
  • the invention adopts the rotating support arm, and can rotate the whole wheel to the bottom of the vehicle body for storage in the folded state, which is beneficial to reduce the occupied space in the folded state of the balance vehicle, and adopts the cooperation of the pin body and the positioning hole, which can be rotated during the rotation process. It is easy to find the position of the support arm in the unfolded state and the folded state, and the folding and unfolding operations are convenient.
  • 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.
  • the specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
  • the embodiment of the present invention discloses a balance vehicle wheel fixing structure.
  • the balance vehicle includes a vehicle body 10.
  • the bottom of the vehicle body 10 is provided with a support arm 30, and one end of the support arm 30 is rotatably fixed to the bottom of the vehicle body 10, and One end is rotatably fixed to the wheel;
  • the support arm 30 is provided with a through hole 31, and the through hole 31 is provided with a pin body 12 movable along the through hole 31, and the bottom of the body 10 is further provided with a pin body 12 a first positioning hole 21 and a second positioning hole 22, the pin body 12 is engaged with the first positioning hole 21 when the support arm 30 is rotated to the unfolded state; when the support arm 30 is rotated to the contracted state,
  • the pin body 12 cooperates with the second positioning hole 22.
  • the pin body 12 includes a connecting post 121, and a fixing post 122 connected to the end of the connecting post 121; the cross-sectional width of the fixing post 122 is larger than the cross-sectional width of the connecting post 121; the connecting post 122 forms a joint with the connecting post 121.
  • the connecting portion forms a second annular surface 313; the connecting post 121 is sleeved with a spring 124; the two ends of the spring 124 are respectively positioned by the first annular surface 123 and the second annular surface 313. Due to the presence of the spring 124, the pin body 12 will always abut against the plane of the bottom of the body. Once rotated to the position of the first positioning hole 21 or the second positioning hole 22, the pin body 12 is automatically embedded into the first positioning by the spring 124 elastic force. In the hole 21 or the second positioning hole 22, automatic positioning can be realized without manual intervention.
  • the wheel includes a wheel body 50 and an axle 51 component; the axle 51 component includes a shaft body 52 having one end penetrating the wheel body 50 and the other end being provided with an adapter portion; the adapter portion is opposite to the axle body 52
  • One side is provided with a support portion 54 movably connected to the connecting member; the support portion 54 is rotatably fixed to the support arm 30.
  • the axles 51 are relatively thin, and it is not easy to realize a rotatable fixing structure.
  • the contact portion can increase the contact area of the rotating shaft 36. On the one hand, it is easy to fix with the connecting member, and on the other hand, the wheel is deployed.
  • the side of the vehicle body 10 is in contact with and positioned to improve stability when the wheel is running.
  • the adapter portion is a circular table 53; the support portion 54 is fixed at a position where the circular table 53 is offset from the axis.
  • the support portion 54 is offset from the axis, at When the running state of the vehicle is balanced, the support portion 54 naturally runs to the lowest point due to the gravity and the human body pressure, forming a steady-state positioning structure. At this time, the disk portion above the support portion 54 has more area and the vehicle body 10 Side contact, so that the wheel has a disc in the vertical direction, the horizontal position has the bottom of the connecting piece support, the double-sided support can effectively disperse the wheel's bearing weight, more stable and durable.
  • the bottom of the vehicle body 10 is provided with an arcuate groove 20, and the first positioning hole 21 and the second positioning hole 22 are respectively disposed at two ends of the arcuate groove 20.
  • the curved groove 20 guides the pin body 12, that is, defines the range of rotation of the entire support arm 30, and avoids excessive rotation of the wheel to cause the wheel to collide with other components.
  • the bottom of the vehicle body 10 is further provided with an arc-shaped limiting portion 40; when the wheel is in a folded state, the inner side surface is in contact with the top of the limiting portion 40.
  • One end of the support arm 30 fixed to the axle 51 is provided with a notch 34; the other end is an arc portion 35; the notch 34 is provided with a rotating shaft 36; the supporting portion 54 is embedded in the notch 34 and sleeved with the rotating shaft 36. Due to the avoidance structure of the notch 34, the entire rotating structure is relatively small, which is advantageous for reducing the balance of the vehicle body 10.
  • the side of the limiting portion 40 facing the support arm 30 is an inner curved surface, which can be avoided when the curved portion 35 of the support arm 30 rotates.
  • the top portion of the limiting portion 40 has the highest position for contacting the inner side surface of the wheel; the two sides of the intermediate portion are inclined surfaces extending to the bottom of the vehicle body 10. After the wheel is folded, the wheel is rotated through the inclined surface, and is rotated to the middle of the top portion of the limiting portion 40 to be tightened, and the folded wheel is positioned by the tensioned stress, without complicated buckle structure, the implementation is simple, and the fixing is firm, and the sliding is not afraid of sliding. .
  • the fixing arm 30 is provided with a fixing hole 33 at one end of the supporting arm 30; the bottom of the vehicle body 10 is provided with a positioning post 11 adapted to the fixing hole 33; the supporting arm 30 is realized by the cooperation of the fixing hole 33 and the positioning post 11 The bottom of the vehicle body 10 is rotatably fixed.
  • the positioning post 11 can be realized with a screw.

Abstract

一种平衡车车轮固定结构，所述平衡车包括车体（10），所述车体（10）底部设有支撑臂（30），所述支撑臂（30）一端与车体（10）底部可转动固定，另一端与车轮可转动固定；所述支撑臂（30）上设有通孔（31），通孔（31）内设有可沿着通孔（31）运动的销体（12），所述车体（10）底部还设有与销体（12）配合的第一定位孔（21）和第二定位孔（22），所述支撑臂（30）旋转到展开状态时，所述销体（12）跟第一定位孔（21）配合；所述支撑臂（30）旋转到收缩状态时，所述销体（12）跟第二定位孔（22）配合。

Description

平衡车车轮固定结构与平衡车 【技术领域】
本发明涉及平衡车领域，更具体的说，涉及平衡车车轮固定结构与平衡车。
【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，并利用伺服控制系统，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方便收纳的平衡车车轮固定结构与平衡车。
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，所述平衡车包括车体，所述车体底部设有支撑臂，所述支撑臂一端与车体底部可转动固定，另一端与车轮可转动固定；所述支撑臂上设有通孔，通孔内设有可沿着通孔运动的销体，所述车体底部还设有与销体配合的第一定位孔和第二定位孔，所述支撑臂旋转到展开状态时，所述销体跟第一定位孔配合；所述支撑臂旋转到收缩状态时，所述销体跟第二定位孔配合。
根据本发明的另一个方面，本发明还公开了一种平衡车，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：本发明由于采用了旋转的支撑臂，可以在折叠状态将车轮整体旋转到车体底部进行收纳，有利于缩减平衡车折叠状态下的占用空间，采用销体和定位孔的配合，可以在旋转过程中很容易找到展开状态和折叠状态下的支撑臂的位置，折叠、展开操作方便。
【附图说明】
图1是本发明实施例平衡车在车轮折叠状态的平面结构示意图；
图2是本发明实施例平衡车在车轮折叠状态的立体结构示意图；
图3是本发明实施例平衡车在车轮中间状态的平面结构示意图；
图4是本发明实施例平衡车在车轮中间状态的立体结构示意图；
图5是本发明实施例平衡车在车轮中间状态的平面结构示意图；
图6是本发明实施例平衡车在车轮中间状态的立体结构示意图；
图7是图5沿A-A的剖面分解示意图；
图8是本发明实施例平衡车在车轮固定结构分解示意图；
图9是本发明实施例车轮结构示意图。
其中：10、车体；11、定位柱；12、销体；121、连接柱；122、固定柱；123、第一环面；124、弹簧；20、弧形凹槽；21、第一定位孔；22、第二定位孔；30、支撑臂；31、通孔；311、第一孔洞；312、第二孔洞；313、第二环面；33、固定孔；34、缺口；35、弧形部；36、转轴；40、限位部；50、轮体；51、轮轴；52、轴体；53、圆台；54、支撑部。
【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以及平衡车车轮固定结构。 所述平衡车车轮固定结构包括设置在车体底部的支撑臂，所述支撑臂一端与车体底部可转动固定，另一端与车轮可转动固定；所述支撑臂上设有通孔，通孔内设有可沿着通孔运动的销体，所述车体底部还设有与销体配合的第一定位孔和第二定位孔，所述支撑臂旋转到展开状态时，所述销体跟第一定位孔配合；所述支撑臂旋转到收缩状态时，所述销体跟第二定位孔配合。
本发明由于采用了旋转的支撑臂，可以在折叠状态将车轮整体旋转到车体底部进行收纳，有利于缩减平衡车折叠状态下的占用空间，采用销体和定位孔的配合，可以在旋转过程中很容易找到展开状态和折叠状态下的支撑臂的位置，折叠、展开操作方便。
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9描述本发明实施例的平衡车车轮固定结构与平衡车。
本实施方式公开了一种平衡车车轮固定结构，所述平衡车包括车体10，所述车体10底部设有支撑臂30，所述支撑臂30一端与车体10底部可转动固定，另一端与车轮可转动固定；所述支撑臂30上设有通孔31，通孔31内设有可沿着通孔31运动的销体12，所述车体10底部还设有与销体12配合的第一定位孔21和第二定位孔22，所述支撑臂30旋转到展开状态时，所述销体12跟第一定位孔21配合；所述支撑臂30旋转到收缩状态时，所述销体12跟第二定位孔22配合。
销体12包括连接柱121，与连接柱121端部连接的固定柱122；所述固定柱122的横截面宽度大于连接柱121的横截面宽度；所述固定柱122与连接柱121连接处形成第一环面123；相应的，所述通孔31包括与连接柱121适配的第一孔洞311，与固定柱122适配的第二孔洞312；所述第一孔洞311和第二孔洞312连接处形成第二环面313；所述连接柱121上套接有弹簧124；所述弹簧124两端分别通过第一环面123和第二环面313定位。由于弹簧124的存在，销体12会一直抵住本体底部的平面，一旦旋转到第一定位孔21或第二定位孔22的位置，销体12在弹簧124弹力作用下自动嵌入到第一定位孔21或第二定位孔22内，无须人工干预即可实现自动定位。
车轮包括轮体50和轮轴51部件；所述轮轴51部件包括轴体52，所述轴体52一端穿入轮体50，另一端设有转接部；所述转接部与轴体52相反的一面设有与连接件活动连接的支撑部54；支撑部54与所述支撑臂30可转动固定。一般来说，轮轴51都是比较细的，不容易实现可转动的固定结构，通过转接部可以增加转轴36部分的接触面积，一方面容易跟连接件固定，另一方面在轮子展开状态与车体10侧面接触定位，在车轮运行的时候提高稳定性。转接部为一圆台53；所述支撑部54固定在圆台53偏离轴心的位置。支撑部54偏离轴心，在 平衡车运行状态时，由于重力和人体压力的左右，支撑部54会自然运行到最低点，形成稳态定位结构，此时，支撑部54上方的圆盘部分有更多的面积与车体10侧面接触，这样车轮在垂直方向有圆盘定位，水平位置有底部的连接件支撑，双面支撑可以有效分散车轮的承重，更稳固耐用。
所述车体10底部设有弧形凹槽20，所述第一定位孔21和第二定位孔22分别设置在弧形凹槽20的两端。弧形凹槽20对销体12有导引作用，即限定了整个支撑臂30的旋转范围，避免转动范围过大造成车轮跟其他部件磕碰。
车体10底部还设有弧形的限位部40；车轮在折叠状态下，内侧面与限位部40的顶部接触定位。支撑臂30与轮轴51固定的一端设有缺口34；另一端为弧形部35；所述缺口34内设有转轴36；所述支撑部54嵌入缺口34内与转轴36套接。由于缺口34的避让结构，使得整个转动结构都比较小，有利于缩减平衡车体10积。限位部40面向支撑臂30的侧面为内弧面，在支撑臂30弧形部35转动的时候刚好可以避让。
限位部40顶部中间部位位置最高，用于跟车轮的内侧面接触定位；中间部位两侧为延伸到车体10底部的斜面。车轮折叠后通过斜面过渡，转动到限位部40顶部中间部位绷紧，通过绷紧的应力实现折叠后的车轮定位，无须复杂的卡扣结构，实施方式简单，且固定牢靠，不怕滑动造成脱落。
支撑臂30与车轮相对的一端设有固定孔33；所述车体10底部设有与固定孔33适配的定位柱11；所述支撑臂30通过固定孔33与定位柱11的配合实现与车体10底部可转动固定。定位柱11可以采用螺杆来实现。
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，所述平衡车包括车体，其中，所述车体底部设有支撑臂，所述支撑臂一端与车体底部可转动固定，另一端与车轮可转动固定；所述支撑臂上设有通孔，通孔内设有可沿着通孔运动的销体，所述车体底部还设有与销体配合的第一定位孔和第二定位孔，所述支撑臂旋转到展开状态时，所述销体跟第一定位孔配合；所述支撑臂旋转到收缩状态时，所述销体跟第二定位孔配合。
  2. 根据权利要求1所述的平衡车车轮固定结构，其中，所述销体包括连接柱，与连接柱端部连接的固定柱；所述固定柱的横截面宽度大于连接柱的横截面宽度；所述固定柱与连接柱连接处形成第一环面；相应的，所述通孔包括与连接柱适配的第一孔洞，与固定柱适配的第二孔洞；所述第一孔洞和第二孔洞连接处形成第二环面；所述连接柱上套接有弹簧；所述弹簧两端分别通过第一环面和第二环面定位。
  3. 根据权利要求1所述的平衡车车轮固定结构，其中，所述车轮包括轮体和轮轴部件；所述轮轴部件包括轴体，所述轴体一端穿入轮体，另一端设有转接部；所述转接部与轴体相反的一面设有与连接件活动连接的支撑部；支撑部与所述支撑臂可转动固定。
  4. 根据权利要求3所述的平衡车车轮固定结构，其中，所述转接部为一圆台；所述支撑部固定在圆台偏离轴心的位置。
  5. 根据权利要求4所述的平衡车车轮固定结构，其中，所述支撑臂与轮轴固定的一端设有缺口；另一端为弧形部；所述缺口内设有转轴；所述支撑部嵌入缺口内与转轴套接。
  6. 根据权利要求1所述的平衡车车轮固定结构，其中，所述车体底部设有弧形凹槽，所述第一定位孔和第二定位孔分别设置在弧形凹槽的两端。
  7. 根据权利要求1所述的平衡车车轮固定结构，其中，所述车体底部还设 有弧形的限位部；车轮在折叠状态下，内侧面与限位部的顶部接触定位。
  8. 根据权利要求1所述的平衡车车轮固定结构，其中，所述限位部顶部中间部位位置最高，用于跟车轮的内侧面接触定位；中间部位两侧为延伸到车体底部的斜面。
  9. 根据权利要求1所述的平衡车车轮固定结构，其中，所述支撑臂与车轮相对的一端设有固定孔；所述车体底部设有与固定孔适配的定位柱；所述支撑臂通过固定孔与定位柱的配合实现与车体底部可转动固定。
  10. 一种平衡车，包括如权利要求1所述的平衡车车轮固定结构。
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