WO2019140821A1 - 平衡车用转向复位机构 - Google Patents

平衡车用转向复位机构 Download PDF

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Publication number
WO2019140821A1
WO2019140821A1 PCT/CN2018/088464 CN2018088464W WO2019140821A1 WO 2019140821 A1 WO2019140821 A1 WO 2019140821A1 CN 2018088464 W CN2018088464 W CN 2018088464W WO 2019140821 A1 WO2019140821 A1 WO 2019140821A1
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WO
WIPO (PCT)
Prior art keywords
rotating member
balance
elastic member
steering
connecting shaft
Prior art date
Application number
PCT/CN2018/088464
Other languages
English (en)
French (fr)
Inventor
臧传美
Original Assignee
浙江阿尔郎科技有限公司
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 浙江阿尔郎科技有限公司 filed Critical 浙江阿尔郎科技有限公司
Publication of WO2019140821A1 publication Critical patent/WO2019140821A1/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
    • B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
    • B62K11/007—Automatic balancing machines with single main ground engaging wheel or coaxial wheels supporting a rider
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D15/00—Steering not otherwise provided for
    • 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
    • B62K21/00—Steering devices
    • 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
    • B62K21/00—Steering devices
    • B62K21/10—Mechanisms for restoring steering device to straight-ahead position

Definitions

  • the present invention relates to a balance steering mechanism for a vehicle.
  • the current balance steering mechanism of the balance vehicle has a complicated structure, and the steering reset effect is not satisfactory.
  • the balance vehicle and the steering reset mechanism disclosed in the prior art CN204937226U the elastic member and the support member are disposed at the lower portion of the rotating member, and the lower portion of the rotating member is connected.
  • the groove uses the connecting groove of the rotating member to press the elastic member to realize the steering reset.
  • the elastic member and the supporting member are integrated, and the steering is turned to the left and right, the elasticity of the elastic member is lost quickly, and the elastic member is damaged.
  • the rotating member needs to be removed and replaced, the elastic member located at the lower part will bear a certain external gravity and is more likely to be damaged.
  • the invention relates to a balance steering mechanism for a balance vehicle, which has the advantages of simple structure, convenient installation and obvious steering and resetting effect.
  • the utility model relates to a balance vehicle steering reset mechanism, which is mounted on a balance car body for realizing resetting of a balance car steering operation bar, comprising: a rotating member, an elastic member and a casing, wherein the rotating member has a non-circular cross section.
  • the rotating member is connected to the balance steering steering lever, the elastic member is disposed around the rotating member, the rotating member is mounted in the housing, and a deformation space is provided between the rotating member and the inner wall of the housing, the elastic member Located in the deformation space, the rotating member is subjected to a circumferential elastic force of the elastic member when rotated.
  • the elastic member is in contact with the housing and the rotating member, and a deformation space of the elastic member is left between the rotating member and the inner wall of the housing.
  • the rotating member can reliably act on the elastic member, and The deformation occurs in the deformation space, and the reaction force of the elastic member to the circumferential direction of the rotating member is such that when the force of the rotating member is removed, the elastic member restores the rotating member to the initial position, and the returning effect is good.
  • the elastic member has a circular or triangular shape or a quadrangular shape.
  • the elastic member is spherical or cylindrical or prismatic, and the elastic member can generate a tendency to return to the initial state under the action of the force in various directions, and the elastic members of different sectional shapes act on the periphery of the rotating member.
  • the reset effect can be achieved, and the cross-sectional shape is not limited to the above shape, and may be other shapes.
  • the number of the elastic members is at least two.
  • the elastic member is elongated, and the longitudinal direction of the elastic member is parallel to the axial direction of rotation of the rotating member.
  • the volume of the deformation space is larger than the volume of the elastic member.
  • the cross-sectional shape of the rotating member is a quadrangle, and an elastic member is disposed at a position of each side of the quadrilateral.
  • the cross-sectional shape of the rotating member is a quadrilateral shape. In the initial position, the two diagonal connecting lines of the cross-section quadrilateral are in a vertical shape, and the other two diagonal connecting lines are horizontal, that is, the edge of the cross-section quadrilateral is at In the oblique direction, during the rotation of the rotating member, the plane of the side line of the cross-section of the cross-section acts on the elastic members of each surface, so that the effect is more obvious and the reset effect is better.
  • the rotating member is provided with a groove matching the cross-sectional shape of the elastic member; the number of the grooves corresponds to the number of the elastic members and the position corresponds.
  • the housing includes an upper cover and a lower cover, the upper cover and the lower cover constitute a cavity for accommodating the rotating member, the elastic member is disposed in the cavity, and the lower cover is fixedly connected to the balance car
  • the body of the car is integrated with the body of the balance car.
  • the front end of the rotating member is a front connecting shaft connecting the balance steering steering lever
  • the rear end of the rotating member is a rear connecting shaft
  • the front connecting shaft and the rear connecting shaft are The cavity is protruded
  • the front connecting shaft and the rear connecting shaft are sleeved at a position contacting the housing.
  • the cross section of the front connecting shaft connected to the position of the balance steering steering lever is non-circular. According to the above technical solution, relative rotation between the rotating member and the balance steering steering lever can be prevented.
  • the steering reset mechanism for a vehicle is smart in structure, convenient in installation, and the rotating member has a non-circular cross section, and is elastically reset by an elastic member around the rotating member, and the elastic member gives a force to the rotating member in the circumferential direction, and is elastic.
  • the piece has a deformation space, and the steering reset effect is obvious.
  • FIG. 1 is a schematic view showing the overall structure of a steering reset mechanism for a balance vehicle according to Embodiment 1 of the present invention
  • FIG. 2 is a cross-sectional view showing a steering reset mechanism for a balance vehicle according to Embodiment 1 of the present invention
  • FIG. 3 is a cross-sectional view showing a steering reset mechanism for a balance vehicle according to Embodiment 2 of the present invention.
  • FIG. 4 is a cross-sectional view showing a steering reset mechanism for a balance vehicle according to Embodiment 3 of the present invention.
  • Figure 5 is a cross-sectional view showing a steering reset mechanism for a balance vehicle according to a fourth embodiment of the present invention.
  • Figure 6 is a cross-sectional view showing a rotating mechanism of a balance steering and returning mechanism according to a fourth embodiment of the present invention.
  • FIG. 7 is a cross-sectional view showing a steering reset mechanism for a balance vehicle according to Embodiment 5 of the present invention.
  • Figure 8 is a cross-sectional view showing a rotating mechanism of a balance return steering reset mechanism according to a fifth embodiment of the present invention.
  • FIG. 9 is a cross-sectional view showing a steering reset mechanism for a balance vehicle according to Embodiment 6 of the present invention.
  • Figure 10 is a cross-sectional view showing a rotating mechanism of a balance steering and returning mechanism for a vehicle according to a sixth embodiment of the present invention.
  • Figure 11 is a cross-sectional view showing a steering reset mechanism for a balance vehicle according to a seventh embodiment of the present invention.
  • front end and back end in the present invention are only for the purpose of more clearly illustrating the technical solution to be protected. Referring to the front end and the rear end position in FIG. 1 , this does not mean that the only protection is required. Technical solution.
  • a balance steering mechanism for a vehicle includes: a rotating member 4, an elastic member 3 and a casing.
  • the rotating member 4 has a quadrangular cross section, and the rotating member 4 is deformed between the inner wall of the casing and the casing. Space, the elastic member is located in the deformation space, the initial state of the rotating member 4 is that the two diagonal lines of the cross section are vertical, and the other two diagonal lines are horizontal, so that the cross section of the quadrilateral rotating member 4 is The edge line is oblique, the rotating member 4 is rotatable relative to the balance car, and the elastic members 3 are four, uniformly distributed around the rotating member 4.
  • the elastic member 3 is a columnar tendon elastic rod, and the length direction of the elastic member 3 and the rotating member 4 The axial direction of the rotation is parallel; the cross-sectional shape of the elastic member is circular, the rotating member 4 is subjected to the elastic force of the elastic member 3 when rotating; the rotating member 4 is mounted on the casing, and the casing is mounted on the balance car body;
  • the housing comprises an upper cover 2 and a lower cover 7, the screw 1 fastens the upper cover and the lower cover together, and the upper cover 2 and the lower cover 7 form a cavity for accommodating the rotating member 4, and the deformation space of the elastic member in the cavity
  • the inner part abuts against the rotating member and the housing; the front end of the rotating member 4 is a front connecting shaft 42 and the front connecting shaft 42
  • the non-circular connecting surface 401 is configured to connect the balance steering steering lever to prevent relative rotation between the rotating member and the steering operating rod.
  • the rear end of the rotating member is the rear connecting shaft 43, and the front connecting shaft 42 and the rear connecting shaft 43 are empty.
  • the cavity is extended, and the front connecting shaft 42 and the rear connecting shaft 43 are sleeved with a sleeve 5 at a position contacting the housing.
  • a balance vehicle steering reset mechanism includes: a rotating member 4, an elastic member 3 and a housing.
  • the rotating member 4 has a quadrangular cross section, and the rotating member 4 is rotatable relative to the balance vehicle.
  • the elastic member 3 is four.
  • the longitudinal direction of the elastic member 3 is parallel to the axial direction of rotation of the rotating member 4, and the cross-sectional shape of the elastic member is triangular; one corner of the triangular shape abuts against one side of the rotating member 4, and the other two The corners abut against the casing, the rotating member 4 is subjected to the elastic force of the elastic member 3 when rotating; the rotating member 4 is mounted in the casing, and the casing is mounted on the balance car body; the casing includes the upper cover 2 and the lower portion
  • the cover 7, the upper cover 2 and the lower cover 7 form a cavity for accommodating the rotating member 4, and the elastic member 3 is disposed in the cavity, and the elastic member 3 can abut against the cavity wall by the rotating member 4 to rotate
  • the member 4 forms a reaction force, the front end of the rotating member 4 is the front connecting shaft 42, the rear end of the rotating member is the rear connecting shaft 43, the front connecting shaft 42 and the rear connecting shaft 43 projecting from the cavity, and the front connecting shaft 42 and the rear
  • a balance vehicle steering reset mechanism includes: a rotating member 4, an elastic member 3 and a housing.
  • the rotating member 4 has a quadrangular cross section, and the rotating member 4 is rotatable relative to the balance vehicle.
  • the elastic member 3 is four.
  • the longitudinal direction of the elastic member 3 is parallel to the axial direction of rotation of the rotating member 4, and the cross-sectional shape of the elastic member is quadrangular; one side of the quadrilateral abuts against one side of the rotating member 4, and the quadrangular shape The other two corners abut against the housing, and the rotating member 4 is subjected to the elastic force of the elastic member 3 when rotating;
  • the rotating member 4 is mounted on the housing, and the housing is mounted on the balance body;
  • the housing includes the upper cover 2 and the lower cover 7, the upper cover 2 and the lower cover 7 constitute a cavity for accommodating the rotating member 4, the elastic member 3 is disposed in the cavity;
  • the front end of the rotating member 4 is the front connecting shaft 42, and the rear end of the rotating member is rear
  • the connecting shaft 43, the front connecting shaft 42 and the rear connecting shaft 43 project from the cavity, and the front connecting shaft 42 and the rear connecting shaft 43 are sleeved with a sleeve 5 at a position contacting the housing.
  • a balance steer reset mechanism includes: a rotating member 4 elastic member 3 and a housing.
  • the rotating member 4 has a non-circular cross section, and the rotating member 4 is rotatable relative to the balance vehicle.
  • the member 4 is provided with a groove 41 which is matched with the cross-sectional shape of the elastic member 3.
  • the cross-sectional shape of the elastic member 3 is circular, the cross-sectional shape of the groove 41 is curved, and the elastic member 3 is four, evenly distributed on the rotating member 4.
  • the number of the grooves 41 is four, the elastic member 3 is trapped in the groove 41, and the other side of the elastic member 3 abuts against the casing, and the longitudinal direction of the elastic member 3 and the axial direction of the rotating member 4 are rotated.
  • the rotating member 4 is subjected to the elastic force of the elastic member 3 when rotating;
  • the rotating member 4 is mounted on the housing, and the housing is mounted on the balance car body;
  • the housing includes the upper cover 2 and the lower cover 7, and the upper cover 2
  • the lower cover 7 constitutes a cavity for accommodating the rotating member 4,
  • the elastic member 3 is disposed in the cavity;
  • the front end of the rotating member 4 is the front connecting shaft 42, the rear end of the rotating member is the rear connecting shaft 43, the front connecting shaft 42 and
  • the rear connecting shaft 43 projects from the cavity, and the front connecting shaft 42 and the rear connecting shaft 43 are sleeved with a sleeve 5 at a position contacting the housing.
  • a balance steer reset mechanism includes: a rotating member 4 elastic member 3 and a housing.
  • the rotating member 4 has a non-circular cross section, and the rotating member 4 is rotatable relative to the balance vehicle.
  • the member 4 is provided with a groove 41 which is matched with the cross-sectional shape of the elastic member 3.
  • the cross-sectional shape of the elastic member 3 is triangular, the cross-sectional shape of the groove 41 is "V" shape, and the elastic member 3 is four, uniformly distributed on the rotating member. 4, the number of the grooves 41 is four, the elastic member 3 is trapped in the groove 41, the other two corners of the elastic member 3 abut against the housing, and the longitudinal direction of the elastic member 3 is rotated with the rotating member 4.
  • the axial direction is parallel; the rotating member 4 is subjected to the elastic force of the elastic member 3 when rotating; the rotating member 4 is mounted on the housing, and the housing is mounted on the balance car body; the housing includes an upper cover 2 and a lower cover 7, The upper cover 2 and the lower cover 7 form a cavity for accommodating the rotating member 4, and the elastic member 3 is disposed in the cavity; the front end of the rotating member 4 is the front connecting shaft 42, and the rear end of the rotating member is the rear connecting shaft 43, the front connection The shaft 42 and the rear connecting shaft 43 extend from the cavity, and the front connecting shaft 42 and the rear connecting shaft 43 are sleeved with a sleeve 5 at a position contacting the housing.
  • a balance steer reset mechanism includes: a rotating member 4 elastic member 3 and a housing.
  • the rotating member 4 has a non-circular cross section, and the rotating member 4 is rotatable relative to the balance vehicle.
  • the member 4 is provided with a groove 41 which is matched with the cross-sectional shape of the elastic member 3.
  • the cross-sectional shape of the elastic member 3 is a quadrangular shape, the cross-sectional shape of the groove 41 is " ⁇ " shape, and the elastic member 3 is four, uniformly distributed on the rotating member.
  • the number of the grooves 41 is four, the elastic member 3 is trapped in the groove 41, the other two corners of the elastic member 3 abut against the housing, and the longitudinal direction of the elastic member 3 is rotated with the rotating member 4.
  • the axial direction is parallel; the rotating member 4 is subjected to the elastic force of the elastic member 3 when rotating; the rotating member 4 is mounted on the housing, and the housing is mounted on the balance car body; the housing includes an upper cover 2 and a lower cover 7,
  • the screw 1 fastens the upper cover and the lower cover together, and the upper cover 2 and the lower cover 7 form a cavity for accommodating the rotating member 4, and the elastic member 3 is located in the cavity;
  • the front end of the rotating member 4 is the front connecting shaft 42, and rotates
  • the rear end of the piece is a rear connecting shaft 43, the front connecting shaft 42 and the rear connecting shaft 43 projecting from the cavity, and the front connecting shaft 42 and the rear connecting shaft 43 are connected
  • Position of sleeve housing sleeve 5 is provided.
  • a balance steering mechanism for a balance vehicle the rotating member 4 has a triangular cross section
  • the elastic member 3 has a circular cross section
  • the casing has a triangular cross section
  • the elastic member 3 abuts against the rotating member 4 and also abuts against
  • the rotating member 4 has a tendency to return to the initial position due to the action of the elastic member 3.
  • the non-circular connection surface 401 of the front connecting shaft 42 is connected to the balance steering steering lever, and the rear connecting shaft 43 is connected to the angle sensor to sense the rotation angle of the rotating member 4, thereby controlling the balance vehicle.
  • the rotating member 4 acts on the elastic member 3
  • the elastic member 3 acts on the rotating member 4 to return the rotating member 4 to the circumferential position elastic force of the initial position, After the operator removes the force acting on the operating lever, the rotating member 4 returns to the initial position.
  • the steering reset mechanism is convenient to install, and it is not necessary to borrow other external machines, only the elastic member 3 is first placed at the bottom of the lower cover 7 of the casing, then the rotating member 4 is installed, and then the elastic member 3 is placed on the rotating member 4, and then The cover of the upper cover 2 of the casing can be tightly fixed.
  • the cross-sectional shape of the elastic member 3, the rotating member 4 and the housing may also be other shapes, such as the elastic member 3 being a sphere, the rotating member 4 having a cross-sectional shape of a pentagon hexagon, etc.;
  • the cavity for accommodating the rotating member 4 is disposed, that is, the lower cover 2 is integrally formed with the balance car body, and the rotating member 4 can be directly mounted on the balance car body, which are all based on the present specification by those skilled in the art. Both are easy to implement and are also protected by the present invention.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Power Steering Mechanism (AREA)
  • Steering Controls (AREA)

Abstract

一种平衡车用转向复位机构，安装于平衡车车体上，用以实现平衡车转向操作杆的复位，包括：转动件（4）、弹性件（3）和壳体，所述转动件（4）的截面为非圆形，所述转动件（4）连接平衡车转向操作杆，所述弹性件（3）设置在所述转动件（4）的四周，所述转动件（4）安装于壳体内，转动件（4）与壳体内壁之间设有形变空间，所述弹性件（3）位于所述形变空间内，所述转动件(4)在转动时受到弹性件(3)的周向弹性作用力。该平衡车用转向复位机构的转向复位效果明显，使用寿命延长，且结构简单巧妙，安装便捷。

Description

平衡车用转向复位机构 技术领域
本发明涉及一种平衡车用转向复位机构。
 背景技术
现在的平衡车用转向复位机构结构复杂，转向复位效果不理想，如现有技术CN204937226U公开的平衡车及其转向复位机构，弹性件及支撑件设置于转动件的下部，转动件的下部开设连接槽，利用转动件的连接槽去压弹性件，从而实现转向复位，这种弹性件和支撑件均为一体式的，而转向是左右均需转向的，弹性件的弹性丧失快，弹性件损坏较块，且弹性件的更换安装不方便，若更换时需拆掉转动件再行更换，且位于下部的弹性件很大程度上会承受一定外部重力，更易受损。
有的现有技术为在转动件的两侧设置回位弹簧，弹簧垂直作用于转动件上，需要另外设置其他机构对弹簧进导向及限位，结构复杂，且弹簧的限位作用不明显，转动后不易受控制，转动灵敏且转动幅度不受控制。
还有的现有技术的转向复位机构的安装不方便，安装时需借助机器将转向复位机构预先装配好，安装复杂。
 技术问题
现有技术中的技术问题如弹性件的更换安装不方便，结构复杂，且弹簧的限位作用不明显，安装复杂等，亟待解决。
 技术解决方案
本发明涉及平衡车用转向复位机构，结构简单，安装方便，转向复位效果明显。
本发明是通过以下技术方案实现的：
一种平衡车用转向复位机构，安装于平衡车车体上，用以实现平衡车转向操作杆的复位，包括：转动件、弹性件和壳体，所述转动件的截面为非圆形，所述转动件连接平衡车转向操作杆，所述弹性件设置在所述转动件的四周，所述转动件安装于壳体内，转动件与壳体内壁之间设有形变空间，所述弹性件位于所述形变空间内，所述转动件在转动时受到弹性件的周向弹性作用力。
通过上述技术方案，弹性件与壳体及转动件均接触，转动件与壳体内壁之间留有弹性件的形变空间，转动件转动时，转动件能可靠作用于弹性件上，并可在形变空间内发生形变，弹性件给转动件周向的反作用力，当转动件的作用力撤去时，弹性件使转动件恢复至初始位置，回位效果佳。
作为本发明的进一步改进，所述弹性件的截面形状为圆形或三角形或四边形。通过上述技术方案，弹性件为球形或柱形或棱柱形，弹性件在受到各个方向的力的作用下均可产生回复至初始状态的趋势，不同截面形状的弹性件作用于转动件周边，也可达到复位效果，截面形状也不限定于上述形状，还可以是其他形状。
作为本发明的进一步改进，所述弹性件的个数为至少两个。通过上述技术方案， 多个弹性件的设置可满足转动件在任意角度的转动均受力均匀，复位明显。
作为本发明的进一步改进，所述弹性件为长条状，弹性件的长度方向与转动件转动的轴向平行。通过上述技术方案，转动件在转动时，与弹性件接触的作用面更大，作用效果更明显，使得转动件的复位效果更明显。
作为本发明的进一步改进，所述形变空间的体积大于所述弹性件的体积。通过上述技术方案，弹性件有足够的空间进行形变及复位，以达到较好的复位效果。
作为本发明的进一步改进，所述转动件的截面形状为四边形，四边形的每个边的位置均设置弹性件。通过上述技术方案，转动件的截面形状为四边形，初始位置时，截面四边形的两个对角的连线位于竖直状，另两个对角的连线位于水平状，即截面四边形的边线处于斜向，转动件在转动过程中，其截面四边形的边线所在平面均作用于各面的弹性件上，使得作用效果更明显，复位效果更优。
作为本发明的进一步改进，所述转动件上设置有与弹性件截面形状吻合的凹槽；所述凹槽的个数与弹性件的个数一致且位置对应。通过上述技术方案，弹性件陷于凹槽中，转动过程中，转动件的凹槽作用于弹性件，使得作用面积更大，作用效果更明显，转动件的复位更灵敏，且每个弹性件对应地陷于一个凹槽中，转动件转动时，受力更均匀。
作为本发明的进一步改进，所述壳体包括上盖和下盖，上盖和下盖构成一容纳转动件的空腔，所述弹性件设置于空腔内，所述下盖固定连接平衡车车体或与平衡车车体一体成型。通过上述技术方案，弹性件处于空腔内，弹性件可直接放置于空腔内的形变空间内，通过壳体将弹性件压紧以抵靠于转动件上，不用复杂的安装程序，且可保证弹性件的复位效果极佳。
作为本发明的进一步改进，所述转动件的前端为连接平衡车转向操作杆的前连接轴，所述转动件的后端为后连接轴，所述前连接轴和所述后连接轴从所述空腔内伸出，所述前连接轴和所述后连接轴在接触壳体的位置套设有套管。通过上述技术方案，套管的设置可使得转动件在转动过程中减少其自身和平衡车车体的磨损，转动件的前连接轴用于连接平衡车转向操作杆，后连接轴用于连接角度传感器，以感测转动件的转动角度，完成平衡车的转向。
  作为本发明的进一步改进，所述前连接轴连接平衡车转向操作杆的位置的截面为非圆形。通过上述技术方案，可防止转动件与平衡车转向操作杆之间发生相对转动。
 有益效果
根据本发明平衡车用转向复位机构，其结构巧妙，安装便捷，转动件截面为非圆形，利用在转动件四周的弹性件进行弹性复位，弹性件给转动件周向的作用力，且弹性件有形变空间，转向复位效果明显。
为让本发明的上述和其他目的、特征和优点能更明显易懂，下文特举较佳实施例，并配合所附图式，作详细说明如下。
 附图说明
图1为本发明实施例1提供的平衡车用转向复位机构的整体结构示意图；
 图2为本发明实施例1提供的平衡车用转向复位机构的剖面示意图；
 图3为本发明实施例2提供的平衡车用转向复位机构的剖面示意图；
图4为本发明实施例3提供的平衡车用转向复位机构的剖面示意图；
 图5为本发明实施例4提供的平衡车用转向复位机构的剖面示意图；
 图6为本发明实施例4提供的平衡车用转向复位机构的转动机构的剖面图；
图7为本发明实施例5提供的平衡车用转向复位机构的剖面示意图；
 图8为本发明实施例5提供的平衡车用转向复位机构的转动机构的剖面图；
 图9为本发明实施例6提供的平衡车用转向复位机构的剖面示意图；
图10为本发明实施例6提供的平衡车用转向复位机构的转动机构的剖面图；
图11为本发明实施例7提供的平衡车用转向复位机构的剖面示意图。
图中：1螺钉、2上盖、3弹性件、4转动件、5套管、7下盖、41凹槽、42前连接轴、43后连接轴、401非圆连接面。
 本发明的实施方式
为更进一步阐述本发明为实现预定发明目的所采取的技术手段及功效，以下扣合附图及较佳实施例，对依据本发明的具体实施方式、结构、特征及其功效，详细说明如后。
需要说明的是，本发明中所述“前端”、“后端”仅是为了更清楚地说明所要保护的技术方案，可参考图1中前端、后端位置，这并不表示唯一限定所要保护的技术方案。
实施例 1
请参阅图1及图2，一种平衡车用转向复位机构，包括：转动件4、弹性件3和壳体，转动件4的截面为四边形，转动件4与壳体内壁之间设有形变空间，弹性件位于所述形变空间内，转动件4的初始状态为其截面的两对角连线呈竖直，另两个对角连线呈水平，使截面为四边形的转动件4的截面边线呈斜向，转动件4可相对于平衡车转动，弹性件3为四个，均布在转动件4的四周，弹性件3为柱状牛筋弹性棒，弹性件3的长度方向与转动件4转动的轴向平行；弹性件的截面形状为圆形，转动件4在转动时受到弹性件3的弹性作用力；转动件4安装于壳体上，壳体安装于平衡车车体上；壳体包括上盖2和下盖7，螺钉1将上盖和下盖紧固在一起，上盖2和下盖7构成一容纳转动件4的空腔，弹性件在空腔内的形变空间内抵靠住转动件及壳体；转动件4的前端为前连接轴42，前连接轴42上设置非圆连接面401用以连接平衡车转向操作杆，防止转动件与转向操作杆之间发生相对转动，转动件的后端为后连接轴43，前连接轴42和后连接轴43从空腔内伸出，前连接轴42和后连接轴43在接触壳体的位置套设有套管5。
实施例 2
请参阅图3，一种平衡车用转向复位机构，包括：转动件4、弹性件3和壳体，转动件4的截面为四边形，转动件4可相对于平衡车转动，弹性件3为四个，均布在转动件4的四周，弹性件3的长度方向与转动件4转动的轴向平行，弹性件的截面形状为三角形；三角形的一个角抵靠于转动件4的一边，另两个角抵靠于壳体上，转动件4在转动时受到弹性件3的弹性作用力；转动件4安装于壳体内，壳体安装于平衡车车体上；壳体包括上盖2和下盖7，上盖2和下盖7构成一容纳转动件4的空腔，弹性件3设置于空腔内，弹性件3在转动件4的作用下可抵靠于空腔壁上以对转动件4形成反作用力，转动件4的前端为前连接轴42，转动件的后端为后连接轴43，前连接轴42和后连接轴43从空腔内伸出，前连接轴42和后连接轴43在接触壳体的位置套设有套管5。
实施例 3
请参阅图4，一种平衡车用转向复位机构，包括：转动件4、弹性件3和壳体，转动件4的截面为四边形，转动件4可相对于平衡车转动，弹性件3为四个，均布在转动件4的四周，弹性件3的长度方向与转动件4转动的轴向平行，弹性件的截面形状为四边形；四边形的一条边抵靠于转动件4的一边，四边形的另两个角抵靠于壳体上，转动件4在转动时受到弹性件3的弹性作用力；转动件4安装于壳体上，壳体安装于平衡车车体上；壳体包括上盖2和下盖7，上盖2和下盖7构成一容纳转动件4的空腔，弹性件3设置于空腔内；转动件4的前端为前连接轴42，转动件的后端为后连接轴43，前连接轴42和后连接轴43从空腔内伸出，前连接轴42和后连接轴43在接触壳体的位置套设有套管5。
实施例 4
请参阅图5及图6，一种平衡车用转向复位机构，包括：转动件4弹性件3和壳体，转动件4的截面为非圆形，转动件4可相对于平衡车转动，转动件4上设置有与弹性件3截面形状吻合的凹槽41，弹性件3的截面形状为圆形，凹槽41的截面形状为弧形，弹性件3为四个，均布在转动件4的四周，凹槽41的个数为四个，弹性件3陷在凹槽41当中，弹性件3的另一边抵靠于壳体上，弹性件3的长度方向与转动件4转动的轴向平行；转动件4在转动时受到弹性件3的弹性作用力；转动件4安装于壳体上，壳体安装于平衡车车体上；壳体包括上盖2和下盖7，上盖2和下盖7构成一容纳转动件4的空腔，弹性件3设置于空腔内；转动件4的前端为前连接轴42，转动件的后端为后连接轴43，前连接轴42和后连接轴43从空腔内伸出，前连接轴42和后连接轴43在接触壳体的位置套设有套管5。
实施例 5
请参阅图7及图8，一种平衡车用转向复位机构，包括：转动件4弹性件3和壳体，转动件4的截面为非圆形，转动件4可相对于平衡车转动，转动件4上设置有与弹性件3截面形状吻合的凹槽41，弹性件3的截面形状为三角形，凹槽41的截面形状为“V”形，弹性件3为四个，均布在转动件4的四周，凹槽41的个数为四个，弹性件3陷在凹槽41当中，弹性件3的另两个角抵靠于壳体上，弹性件3的长度方向与转动件4转动的轴向平行；转动件4在转动时受到弹性件3的弹性作用力；转动件4安装于壳体上，壳体安装于平衡车车体上；壳体包括上盖2和下盖7，上盖2和下盖7构成一容纳转动件4的空腔，弹性件3设置于空腔内；转动件4的前端为前连接轴42，转动件的后端为后连接轴43，前连接轴42和后连接轴43从空腔内伸出，前连接轴42和后连接轴43在接触壳体的位置套设有套管5。
实施例 6
请参阅图9及图10，一种平衡车用转向复位机构，包括：转动件4弹性件3和壳体，转动件4的截面为非圆形，转动件4可相对于平衡车转动，转动件4上设置有与弹性件3截面形状吻合的凹槽41，弹性件3的截面形状为四边形，凹槽41的截面形状为“凵”形，弹性件3为四个，均布在转动件4的四周，凹槽41的个数为四个，弹性件3陷在凹槽41当中，弹性件3的另两个角抵靠于壳体上，弹性件3的长度方向与转动件4转动的轴向平行；转动件4在转动时受到弹性件3的弹性作用力；转动件4安装于壳体上，壳体安装于平衡车车体上；壳体包括上盖2和下盖7，螺钉1将上盖和下盖紧固在一起，上盖2和下盖7构成一容纳转动件4的空腔，弹性件3位于空腔内；转动件4的前端为前连接轴42，转动件的后端为后连接轴43，前连接轴42和后连接轴43从空腔内伸出，前连接轴42和后连接轴43在接触壳体的位置套设有套管5。
实施例 7
请参阅图11，一种平衡车用转向复位机构，转动件4截面为三角形、弹性件3截面为圆形，壳体截面为三角形，弹性件3抵靠于转动件4上，同时也抵靠于壳体上，转动件4在转动后，弹性件3在形变空间内发生形变，由于弹性件3的作用，转动件4有恢复至初始位置的趋势。
具体地，在上述任一实施例中，前连接轴42的非圆连接面401连接平衡车转向操作杆，后连接轴43连接角度传感器，以感测转动件4的转动角度，从而控制平衡车的转向；操作杆转动时，带动转动件4转动，转动件4作用于弹性件3上，弹性件3反作用于转动件4上，给转动件4恢复至初始位置的周向弹性作用力，待操作者撤去作用于操作杆上的作用力后，转动件4恢复至初始位置。
本发明中转向复位机构安装方便，无需借用其他外部机器，仅需先将弹性件3置于壳体下盖7的底部，再安装转动件4，再在转动件4上放置弹性件3，然后将壳体上盖2盖紧固定即可。
在其他实施例中，弹性件3、转动件4和壳体的截面形状还可以是其他形状，如弹性件3为球体，转动件4截面形状为五边形六边形等；平衡车车体上设置有容纳转动件4的空腔，即将下盖2与平衡车车体一体成型，转动件4可直接安装于平衡车车体上，这都是本领域技术人员在本说明书的基础上所容易实施的，也均是本发明所保护的方案。
以上所述，仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，虽然本发明已以较佳实施例揭示如上，然而并非用以限定本发明，任何本领域技术人员，在不脱离本发明技术方案范围内，当可利用上述揭示的技术内容做出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本发明技术方案内容，依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明技术方案的范围内。

Claims (10)

  1. 一种平衡车用转向复位机构，安装于平衡车车体上，用以实现平衡车转向操作杆的复位，其特征在于，包括：转动件（4）、弹性件（3）和壳体，所述转动件（4）的截面为非圆形，所述转动件（4）连接平衡车转向操作杆，所述弹性件（3）设置在所述转动件（4）的四周，所述转动件（4）安装于壳体内，转动件（4）与壳体内壁之间设有形变空间，所述弹性件位于所述形变空间内，所述转动件（4）在转动时受到弹性件（3）的周向弹性作用力。 
  2. 如权利要求1所述的平衡车用转向复位机构，其特征在于，所述弹性件的截面形状为圆形或三角形或四边形。 
  3. 如权利要求1所述的平衡车用转向复位机构，其特征在于，所述弹性件的个数为至少两个。 
  4. 如权利要求1所述的平衡车用转向复位机构，其特征在于，所述弹性件为长条状，弹性件（3）的长度方向与转动件（4）转动的轴向平行。
  5. 如权利要求1所述的平衡车用转向复位机构，其特征在于，所述形变空间的体积大于所述弹性件（3）的体积。
  6. 如权利要求1或2或3或4或5所述的平衡车用转向复位机构，其特征在于，所述转动件（4）的截面形状为四边形，四边形的每个边的位置均设置弹性件（3）。
  7. 如权利要求1或2或3或4或5所述的平衡车用转向复位机构，其特征在于，所述转动件（4）上设置有与弹性件（3）截面形状吻合的凹槽（41）；所述凹槽（41）的个数与弹性件（3）的个数一致且位置对应。
  8. 如权利要求1或2或3或4或5所述的平衡车用转向复位机构，其特征在于，所述壳体包括上盖（2）和下盖（7），上盖（2）和下盖（7）构成一容纳转动件（4）的空腔，所述弹性件（3）设置于空腔内，所述下盖（7）固定连接平衡车车体或与平衡车车体一体成型。
  9. 如权利要求8所述的平衡车用转向复位机构，其特征在于，所述转动件（4）的前端为连接平衡车转向操作杆的前连接轴（42），所述转动件的后端为后连接轴（43），所述前连接轴（42）和所述后连接轴（43）从所述空腔内伸出，所述前连接轴（42）和所述后连接轴（43）在接触壳体的位置套设有套管（5）。
  10. 如权利要求9所述的平衡车用转向复位机构，其特征在于，所述前连接轴（42）连接平衡车转向操作杆的位置的截面为非圆形。
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