WO2017031877A1 - 一种儿童电动车 - Google Patents

一种儿童电动车 Download PDF

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Publication number
WO2017031877A1
WO2017031877A1 PCT/CN2015/098164 CN2015098164W WO2017031877A1 WO 2017031877 A1 WO2017031877 A1 WO 2017031877A1 CN 2015098164 W CN2015098164 W CN 2015098164W WO 2017031877 A1 WO2017031877 A1 WO 2017031877A1
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WO
WIPO (PCT)
Prior art keywords
wheel assembly
electric vehicle
frame
axle
bracket
Prior art date
Application number
PCT/CN2015/098164
Other languages
English (en)
French (fr)
Inventor
贺新军
蔡辉
Original Assignee
好孩子儿童用品有限公司
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Filing date
Publication date
Application filed by 好孩子儿童用品有限公司 filed Critical 好孩子儿童用品有限公司
Publication of WO2017031877A1 publication Critical patent/WO2017031877A1/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
    • B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
    • B62K5/08—Cycles with handlebars, equipped with three or more main road wheels with steering devices acting on two or more wheels
    • 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
    • B62K9/00—Children's cycles

Definitions

  • the invention relates to a children's electric vehicle.
  • the child electric vehicle in the prior art (such as the authorization announcement number CN204236696U, the authorization announcement date is 2015-4-1), includes a frame, a front wheel assembly disposed on the front side of the frame, and a rear side of the frame.
  • the rear wheel assembly a direction control device for controlling the direction of movement of the child's electric vehicle, and a driving device.
  • the directional control device comprises a directional rod assembly, a steering wheel disposed at the bottom of the rear of the frame, and a transmission rod at both ends directly or indirectly connected to the directional rod assembly and the steering wheel, respectively, and the steering wheel and the directional rod assembly are transmitted through the transmission rod
  • the driving device comprises a motor fixedly arranged on the frame, and the motor drives the front wheel assembly to drive the electric vehicle to run.
  • the child electric vehicle can turn the steering wheel to control the steering wheel disposed at the rear of the frame, and the steering of the steering wheel drives the whole vehicle to turn.
  • the technical problem to be solved by the present invention is to provide a child electric vehicle that can control steering by tilting the body.
  • a child electric vehicle includes a frame, a front wheel assembly and a rear wheel assembly disposed at a bottom of the frame, a driving mechanism for driving the movement of the child electric vehicle, and the child electric vehicle further includes a direction control device for controlling a direction of movement of the child electric vehicle by tilting of the body, the direction control device including a first direction control unit respectively disposed at the front wheel assembly and the rear wheel assembly And a second direction control unit,
  • the first direction control unit includes a front bracket rotatably coupled to the frame, movably coupled to the frame and capable of being electrically driven along the child as the frame is tilted a front steering link that moves in the left-right direction of the vehicle, a front connector that is rotatably coupled to the front steering link at one end, and a fixed connection of the other end to the axle of the front wheel assembly; the front wheel assembly The other end of the axle or the front connector is rotatably coupled to the front bracket,
  • the second directional control unit includes a rear bracket rotatably coupled to the frame, movably coupled to the frame and capable of being electrically driven along the child as the frame is tilted a rear steering link that moves in the left-right direction of the vehicle, a rear connecting member that is rotatably connected to the rear steering link at one end and fixedly coupled to the axle of the rear wheel assembly at the other end; the rear wheel assembly The other end of the axle or the rear connector is rotatably connected to the rear bracket,
  • the front steering link and the rear steering link are located at the inner side or the outer side of the space formed by the front bracket and the rear bracket, and the front wheel assembly when the child electric vehicle is turned The direction of deflection of the rear wheel assembly is different.
  • the front steering link and the rear steering linkage is located at the inner side of the space formed by the front bracket and the rear bracket; when the front steering link is located in front of the front bracket, the rear steering link is located at the rear bracket At the rear, the front steering link and the rear steering link are simultaneously located outside the space formed by the front bracket and the rear bracket.
  • the front bracket and the rotating shaft center line of the frame, the rear bracket and the rotating shaft line of the frame, the front steering link and the frame a rotation axis line, the rear steering link and the rotation axis of the frame extend along a front-rear direction of the child electric vehicle, the front connector and the front steering a rotation axis line of the connecting rod, a rotation axis line of the front bracket and the front connecting member or the axle of the front wheel assembly, the rear connecting member and the rear steering link
  • the rotation axis line, the rear bracket and the rear connecting member or the axle axis of the axle of the rear wheel assembly all extend along the up and down direction of the child electric vehicle.
  • the movable joint of the front steering link and the frame is located below the rotational joint of the front bracket and the frame
  • the movable joint of the frame is located below the rotational joint of the rear bracket and the frame.
  • the driving mechanism includes a motor fixedly coupled to the frame, a driving wheel assembly fixedly coupled to the frame and driven to rotate by the motor, and the motor to be used A transmission that is drivingly coupled to the drive wheel assembly.
  • the transmission is a drive belt.
  • the front steering link is formed with a front sliding slot extending in an up-and-down direction
  • the frame is provided with a front lever that can slide in the front sliding slot
  • the rear steering A rear chute extending in the up-and-down direction is formed on the link, and the frame is provided with a rear lever that can slide in the rear chute.
  • the frame includes a frame body extending along a front-rear direction of the child electric vehicle, formed at a front portion of the frame body, and extending along an up-and-down direction of the child electric vehicle a front vertical bar, a front cross bar formed on the front vertical bar and extending in a front-rear direction of the child electric vehicle, formed at a rear portion of the frame body and having a child along the a rear crossbar of the pole segment extending in the front-rear direction of the electric vehicle, formed on the rear crossbar and having a rear vertical rod extending along an up-and-down direction of the child electric vehicle, the front bracket and the front bracket
  • the front crossbar is rotatably connected
  • the rear bracket is rotatably connected to the rear crossbar.
  • the front lever is disposed on the front vertical rod
  • the rear lever is disposed on the rear vertical rod.
  • the frame, the first direction control unit, and the second direction control unit are bilaterally symmetric along the child electric vehicle. structure.
  • the front wheel assembly includes a first front wheel assembly and a second front wheel assembly symmetrically disposed at a bottom front portion of the child electric vehicle;
  • the front connector includes an end portion and the front portion a first front connecting member of which one end portion of the steering link is rotatably connected and the other end portion is fixedly coupled to the axle of the first front wheel assembly, and one end portion is rotated with the other end portion of the front steering link a second front connector fixedly coupled to the axle of the second front wheel assembly; the end of the front bracket and the axle of the first front wheel assembly or the first The other end of the front connector is rotatably connected, and the other end of the front bracket is rotatably connected to the axle of the second front wheel assembly or the other end of the second front connector.
  • the rear wheel assembly includes a first rear wheel assembly and a second rear wheel assembly symmetrically disposed at a rear portion of the child electric vehicle;
  • the rear connector includes an end portion and the rear steering link a first rear connecting member which is rotatably connected at one end and fixedly connected to the axle of the first rear wheel assembly at the other end, one end portion is rotatably connected to the other end portion of the rear steering link, and a second rear connecting member fixedly connected to the axle of the second rear wheel assembly;
  • one end of the rear bracket is coupled to the axle of the first rear wheel assembly or the first rear connection
  • the other end of the piece is rotatably connected, and the other end of the rear bracket is rotatably coupled to the axle of the second rear wheel assembly or the other end of the second rear connector.
  • the above-mentioned front, back, left, and right orientation words are defined in terms of the orientation of the child's electric vehicle during normal use.
  • the present invention has the following advantages compared with the prior art: the present invention can improve the direction control device of the child electric vehicle, and can tilt the body to move the steering link through one side of the body, and is driven by the connecting member. The steering of the wheel assembly is driven downwards to achieve steering of the child's electric vehicle.
  • Figure 1 is a schematic view showing the structure of the present invention
  • front bracket 21, front bracket; 211, front bushing; 22, front steering link; 221, front chute; 23, first front connecting member; 24, second front connecting member; 25, front lever; a rotating shaft; 27, a vertical section of the axle of the first front wheel assembly; 28, a second rotating shaft; 29, a vertical section of the axle of the second front wheel assembly;
  • a child electric vehicle includes a frame 1, a seat 2 disposed on the frame 1, an armrest 3 disposed at the front upper portion of the frame 1, and a front wheel assembly disposed at the bottom of the frame 1.
  • the child electric vehicle further includes a direction control device capable of controlling a movement direction of the child electric vehicle by tilting of the body, the direction control device comprising a front wheel assembly and The first direction control unit and the second direction control unit at the rear wheel assembly, specifically, the front wheel assembly includes a first front wheel assembly 7 and a second front wheel assembly 8 symmetrically disposed at a bottom front portion of the child electric vehicle,
  • the wheel assembly includes a first rear wheel assembly 9 and a second rear wheel assembly 10 symmetrically disposed at a rear rear portion of the child electric vehicle, and thus, the first direction control unit is disposed at the first front wheel assembly 7 and the second front wheel assembly 8
  • the second direction control unit is disposed between the first rear wheel assembly 9 and the second rear
  • the first direction control unit includes a front bracket 21 rotatably coupled to the frame 1, a front steering link 22 movably coupled to the frame 1 and movable in the left-right direction of the child electric vehicle as the frame 1 is tilted. a front connector that is rotatably coupled to the front steering link 22 at one end and fixedly coupled to the axle of the front wheel assembly at the other end; the other end of the axle or front connector of the front wheel assembly is rotatably coupled to the front bracket 21 .
  • the front connecting member includes a first front connecting member 23 whose one end portion is rotatably connected to one end portion of the front steering link 22 and the other end portion is fixedly coupled to the axle 71 of the first front wheel assembly 7, one end portion and the front portion a second front connecting member 24 of which the other end of the steering link 22 is rotatably connected and the other end portion is fixedly coupled to the axle 81 of the second front wheel assembly 8; one end portion of the front bracket 21 and the first front wheel assembly 7
  • the other end of the axle 71 or the first front connector 23 is rotatably connected.
  • the axle 71 of the first front wheel assembly 7 is L-shaped, and the first front connector 23 is fixed to the axle 71 of the first front wheel assembly 7.
  • the axle 71 of the first front wheel assembly 7 passes through the through hole of the front bracket 21 such that the axle 71 of the first front wheel assembly 7 and the front bracket 21 are rotatably coupled, and the other end of the front bracket 21 and the second front wheel assembly
  • the other end of the axle 81 or the second front connector 24 is rotatably connected.
  • the axle 81 of the second front wheel assembly 8 is L-shaped, and the second front connector 24 is fixed to the second front wheel assembly 8.
  • the axle 81 of the second front wheel assembly 8 passes through the through hole of the front bracket 21 such that the axle 81 of the second front wheel assembly 8
  • the front bracket 21 is rotatably connected.
  • the second direction control unit includes a rear bracket 31 rotatably coupled to the frame 1, a rear steering link 32 movably coupled to the frame 1 and movable along the left and right direction of the child electric vehicle as the frame 1 is tilted. a rear connector that is rotatably coupled to the rear steering link 32 at one end and fixedly coupled to the axle of the rear wheel assembly at the other end; the other end of the axle or rear connector of the rear wheel assembly is rotatably coupled to the rear bracket 31 .
  • the rear connecting member includes a first rear connecting member 33 whose one end portion is rotatably connected to one end portion of the rear steering link 32 and the other end portion is fixedly coupled to the axle 91 of the first rear wheel assembly 9, one end portion and the rear portion a second rear connecting member 34 whose other end portion of the steering link 32 is rotatably connected and whose other end portion is fixedly coupled to the axle 101 of the second rear wheel assembly 10; one end portion of the rear bracket 31 and the first rear wheel assembly 9 The other end of the axle 91 or the first rear connecting member 33 is rotatably connected.
  • the axle 91 of the first rear wheel assembly 9 is L-shaped, and the first rear connecting member 33 is fixed to the axle 91 of the first rear wheel assembly 9.
  • the axle 91 of the first rear wheel assembly 9 passes through the through hole of the rear bracket 31 such that the axle 91 of the first rear wheel assembly 9 and the rear bracket 31 are rotationally coupled, and the other end of the rear bracket 31 and the second rear wheel assembly 10 The other end of the axle 101 or the second rear connector 34 is rotatably connected.
  • the axle 101 of the second rear wheel assembly 10 is L-shaped, and the first rear connector 33 is fixed to the axle of the second rear wheel assembly 10. 101, the axle 101 of the second rear wheel assembly 10 passes through the through hole of the rear bracket 31 such that the second rear wheel assembly 10 The axle 101 and the rear bracket 31 are rotatably coupled.
  • the front steering link 22 and the rear steering link 32 are simultaneously located inside or outside the space formed by the front bracket 21 and the rear bracket 31, and the front wheel assembly and the rear wheel assembly have different deflection directions when the child electric vehicle is turned.
  • the frame 1 includes a frame body 11 extending along the front-rear direction of the child electric vehicle, a front vertical rod 12 formed at a front portion of the frame body 11 and extending in the up-and-down direction of the child electric vehicle, and being formed on the front vertical rod 12. And a front crossbar 13 extending in the front-rear direction of the child electric vehicle, a rear crossbar 15 formed at the rear of the frame body 11 and having a rod section extending in the front-rear direction of the child electric vehicle, and a rear crossbar 15 formed on the rear crossbar 15 It has a rear vertical rod 14 extending in the up and down direction of the child's electric vehicle.
  • the front bracket 21 is rotatably coupled to the front crossbar 13, and the front steering link 22 is formed with a front chute 221 extending in the up and down direction, and the front vertical bar 12 is provided with a front lever 25 slidable in the front chute 221.
  • the front lever 25 slides in the front chute 221 to drive the front steering link 22 to move left and right.
  • the rear bracket 31 is rotatably connected to the rear crossbar 15, and the rear steering link 32 is formed with a rear sliding groove 321 extending in the up and down direction, and the rear vertical rod 14 is provided with a rear sliding lever 35 which is slidable in the rear sliding groove 321 When the frame 1 rotates, the rear lever 35 slides in the rear chute 321 to drive the rear steering link 32 to move left and right.
  • the front bracket 21 is formed with a front bushing 211, and the front crossbar 13 is rotatably inserted into the front bushing 211.
  • the rear bracket 31 is formed with a rear bushing 311, and the rear crossbar 15 is rotatably inserted. In the rear sleeve 311.
  • the first front connecting member 23 is rotatably connected to the front steering link 22 via the first rotating shaft 26, and the second front connecting member 24 is rotatably connected to the front steering link 22 via the second rotating shaft 28, and the first rear connecting member 33 passes through the first
  • the third rotating shaft 36 is rotatably coupled to the rear steering link 32, and the second rear connecting member 34 is rotatably coupled to the rear steering link 32 via the fourth rotating shaft 38.
  • the front axle 21 and the pivot axis of the frame 1 (ie, the center line of the front crossbar 13), the rear axle 31 and the pivot axis of the frame 1 (ie, the centerline of the rear crossbar 15), the front steering link 22 and the rotation axis of the frame 1 (ie, the center line of the front lever 25), the rear steering link 32 and the rotation axis of the frame 1 (ie, the center line of the rear lever 35) are all along the child electric
  • the front and rear direction of the vehicle extends, the front axle and the pivot axis of the front steering link 22 (ie, the axis of the first shaft 26 and the second shaft 28), the front bracket 21 and the front axle or the axle of the front wheel assembly Rotational axis (ie, the vertical line 27 of the axle 71 of the first front wheel assembly 7 and the centerline of the vertical section 29 of the axle 81 of the second front wheel assembly 8), the rear and rear steering links 32
  • the axis of rotation of the shaft ie, the axi
  • the movable connection between the front steering link 22 and the frame 1 is located below the rotational joint of the front bracket 21 and the frame 1, that is, the front lever 25 is located below the front crossbar 13, and the rear steering link 32 and the frame 1
  • the movable joint is located below the rotational joint of the rear bracket 31 and the frame 1, that is, the rear lever 35 is located below the rear rail 15.
  • the drive mechanism includes a motor 4 fixedly coupled to the frame 1, a drive wheel assembly 5 fixedly coupled to the frame 1 and driven to rotate by the motor 4, and a transmission 6 for drivingly connecting the motor 4 and the drive wheel assembly 5.
  • the transmission device 6 is a transmission belt.
  • transmission devices such as chains and gears are also possible.
  • the frame 1, the first direction control unit and the second direction control unit are symmetrically arranged along the child's electric vehicle, thereby forming a plane of symmetry, and the drive wheel assembly 5 is located on the plane of symmetry. .
  • the vertical section 27 of the axle 71 of the first front wheel assembly 7 and the second front wheel assembly 8 The vertical section 29 of the axle 81 rotates counterclockwise, and the first rear connector 33 and the second rear connector 34 respectively surround the vertical section 37 of the axle 91 of the first rear wheel assembly 9 and the second rear wheel assembly 10
  • the vertical section 39 of the axle 101 rotates clockwise, thereby driving the first front wheel assembly 7 and the second front wheel assembly 8 to the left to a certain angle, and the first rear wheel assembly 9 and the second rear wheel assembly 10 are rotated to the right.
  • the angle thereby turning the whole vehicle to the left; when the body is inclined to the right by a certain angle, the movement process of the whole vehicle is opposite to the moving direction of the above process, thereby realizing the steering of the whole vehicle to the right.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Toys (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

一种儿童电动车，包括车架（1）、车轮组件、驱动机构，儿童电动车还包括能够通过身体的倾斜来控制儿童电动车的运动方向的方向控制装置，方向控制装置包括与车架相转动连接的支架（21，31），与车架相转动连接且能够随着车架与支架的转动而沿着儿童电动车的左右方向运动的转向连杆（22，32），一端部与转向连杆相转动连接、另一端部与车轮组件的轮轴相固定连接且当转向连杆沿着儿童电动车的左右方向运动时能够带动车轮组件转向的连接件，支架与连接件的另一端部或车轮组件的轮轴相转动连接。所述儿童电动车通过对儿童电动车的方向控制装置的改进，可以通过身体向一侧倾斜带动转向连杆运动，在连接件的带动下带动车轮组件转向，从而实现儿童电动车的转向。

Description

一种儿童电动车 技术领域
本发明涉及一种儿童电动车。
背景技术
现有技术中的儿童电动车（如授权公告号为CN204236696U，授权公告日为2015-4-1），包括一车架、设置在车架前侧的前轮组件、设置在车架后侧的后轮组件、用于控制儿童电动车运动方向的方向控制装置、驱动装置。方向控制装置包括一方向杆组件、设置在车架后底部的转向轮、两端部分别直接或间接地连接于方向杆组件和转向轮的传动杆，通过传动杆的传动使方向盘和方向杆组件带动转向轮转动，驱动装置包括固定设置在车架上的电机，电机驱动前轮组件以带动电动车运行。该儿童电动车可以转动方向盘控制设置在车架后部的转向轮，通过转向轮的转动带动整车转向。
发明内容
本发明要解决的技术问题是提供一种可以通过身体倾斜来控制转向的儿童电动车。
为了解决上述技术问题，本发明采用的一种技术方案是：
一种儿童电动车，包括车架、设置在所述的车架底部的前轮组件和后轮组件、用于驱动所述的儿童电动车运动的驱动机构，所述的儿童电动车还包括能够通过身体的倾斜来控制所述的儿童电动车的运动方向的方向控制装置，所述的方向控制装置包括分别设置在所述的前轮组件和所述的后轮组件处的第一方向控制单元和第二方向控制单元，
所述的第一方向控制单元包括与所述的车架相转动连接的前支架，与所述的车架相活动连接且能够随着所述的车架的倾斜而沿着所述的儿童电动车的左右方向运动的前转向连杆，一端部与所述的前转向连杆相转动连接、另一端部与所述前轮组件的轮轴相固定连接的前连接件；所述前轮组件的轮轴或所述前连接件的另一端部与所述前支架相转动连接，
所述的第二方向控制单元包括与所述的车架相转动连接的后支架，与所述的车架相活动连接且能够随着所述的车架的倾斜而沿着所述的儿童电动车的左右方向运动的后转向连杆，一端部与所述的后转向连杆相转动连接、另一端部与所述后轮组件的轮轴相固定连接的后连接件；所述后轮组件的轮轴或所述后连接件的另一端部与所述后支架相转动连接，
所述的前转向连杆和所述的后转向连杆同时位于所述的前支架和所述的后支架形成的空间的内侧或外侧，当所述儿童电动车转向时，所述前轮组件和所述后轮组件的偏转方向不同。
其中，当所述的前转向连杆位于所述的前支架的后方，所述的后转向连杆位于所述的后支架的前方时，所述的前转向连杆和所述的后转向连杆同时位于所述的前支架和所述的后支架形成的空间的内侧；当所述的前转向连杆位于所述的前支架的前方，所述的后转向连杆位于所述的后支架的后方时，所述的前转向连杆和所述的后转向连杆同时位于所述的前支架和所述的后支架形成的空间的外侧。
具体地，所述的前支架与所述的车架的转动轴心线、所述的后支架与所述的车架的转动轴心线、所述的前转向连杆与所述的车架的转动轴心线、所述的后转向连杆与所述的车架的转动轴心线均沿着所述的儿童电动车的前后方向延伸，所述的前连接件与所述的前转向连杆的转动轴心线、所述的前支架与所述的前连接件或所述的前轮组件的轮轴的转动轴心线、所述的后连接件与所述的后转向连杆的转动轴心线、所述的后支架与所述的后连接件或所述的后轮组件的轮轴的转动轴心线均沿着所述的儿童电动车的上下方向延伸。
具体地，所述的前转向连杆与所述的车架的活动连接处位于所述的前支架与所述的车架的转动连接处的下方，所述的后转向连杆与所述的车架的活动连接处位于所述的后支架与所述的车架的转动连接处的下方。
具体地，所述的驱动机构包括与所述的车架相固定连接的电机、与所述的车架相固定连接且由所述的电机驱动转动的驱动轮组件、用于将所述的电机和所述的驱动轮组件传动连接的传动装置。
更具体地，所述的传动装置为传动带。
具体地，所述的前转向连杆上形成有沿上下方向延伸的前滑槽，所述的车架上设置有能够在所述的前滑槽内滑动的前拨杆，所述的后转向连杆上形成有沿上下方向延伸的后滑槽，所述的车架上设置有能够在所述的后滑槽内滑动的后拨杆。
更具体地，所述的车架包括沿着所述的儿童电动车的前后方向延伸的车架本体、形成在所述的车架本体的前部且沿所述的儿童电动车的上下方向延伸的前竖杆、形成在所述的前竖杆上且沿所述的儿童电动车的前后方向延伸的前横杆、形成在所述的车架本体的后部且具有沿着所述的儿童电动车的前后方向延伸的杆段的后横杆、形成在所述的后横杆上且具有沿着所述的儿童电动车的上下方向延伸的后竖杆，所述的前支架与所述的前横杆相转动连接，所述的后支架与所述的后横杆相转动连接。
再具体地，所述的前拨杆设置在所述的前竖杆上，所述的后拨杆设置在所述的后竖杆上。
具体地，当所述的儿童电动车沿直线方向行驶时，所述的车架、所述的第一方向控制单元和所述的第二方向控制单元沿着所述的儿童电动车呈左右对称结构。
具体地，所述的前轮组件包括对称设置在所述的儿童电动车的底前部的第一前轮组件和第二前轮组件；所述的前连接件包括一端部与所述的前转向连杆的一端部相转动连接、另一端部与所述的第一前轮组件的轮轴相固定连接的第一前连接件，一端部与所述的前转向连杆的另一端部相转动连接、另一端部与所述的第二前轮组件的轮轴相固定连接的第二前连接件；所述的前支架的一端部与所述的第一前轮组件的轮轴或所述的第一前连接件的另一端部相转动连接，所述的前支架的另一端部与所述的第二前轮组件的轮轴或所述的第二前连接件的另一端部相转动连接，
所述的后轮组件包括对称设置在所述的儿童电动车的底后部的第一后轮组件和第二后轮组件；所述的后连接件包括一端部与所述的后转向连杆的一端部相转动连接、另一端部与所述的第一后轮组件的轮轴相固定连接的第一后连接件，一端部与所述的后转向连杆的另一端部相转动连接、另一端部与所述的第二后轮组件的轮轴相固定连接的第二后连接件；所述的后支架的一端部与所述的第一后轮组件的轮轴或所述的第一后连接件的另一端部相转动连接，所述的后支架的另一端部与所述的第二后轮组件的轮轴或所述的第二后连接件的另一端部相转动连接。
以上所涉及到的前后左右上下等方位词，是在儿童电动车正常使用时的方位作定义的。
本发明的范围，并不限于上述技术特征的特定组合而成的技术方案，同时也应涵盖由上述技术特征或其等同特征进行任意组合而形成的其它技术方案。例如上述特征与本申请中公开的（但不限于）具有类似功能的技术特征进行互相替换而形成的技术方案等。
由于上述技术方案运用，本发明与现有技术相比具有下列优点：本发明通过对儿童电动车的方向控制装置的改进，可以通过身体向一侧倾斜带动转向连杆运动，在连接件的带动下带动车轮组件转向，从而实现儿童电动车的转向。
附图说明
附图1为本发明的结构示意图；
其中：1、车架；2、座椅；3、扶手；4、电机；5、驱动轮组件；6、传动装置；7、第一前轮组件；8、第二前轮组件；9、第一后轮组件；10、第二后轮组件；
11、车架本体；12、前竖杆；13、前横杆；14、后竖杆；15、后横杆；
21、前支架；211、前轴套；22、前转向连杆；221、前滑槽；23、第一前连接件；24、第二前连接件；25、前拨杆；26、第一转轴；27、第一前轮组件的轮轴的竖直段；28、第二转轴；29、第二前轮组件的轮轴的竖直段；
31、后支架；311、后轴套；32、后转向连杆；321、后滑槽；33、第一后连接件；34、第二后连接件；35、后拨杆；36、第三转轴；37、第一后轮组件的轮轴的竖直段；38、第四转轴；39、第二后轮组件的轮轴的竖直段；
71、第一前轮组件的轮轴；81、第二前轮组件的轮轴；91、第一后轮组件的轮轴；101、第二后轮组件的轮轴。
具体实施方式
如附图1所示，一种儿童电动车，包括车架1、设置在车架1上的座椅2、设置在车架1前上部的扶手3、设置在车架1底部的前轮组件和后轮组件、用于驱动儿童电动车运动的驱动机构，儿童电动车还包括能够通过身体的倾斜来控制儿童电动车的运动方向的方向控制装置，方向控制装置包括分别设置在前轮组件和后轮组件处的第一方向控制单元和第二方向控制单元，具体地，前轮组件包括对称设置在儿童电动车的底前部的第一前轮组件7和第二前轮组件8，后轮组件包括对称设置在儿童电动车的底后部的第一后轮组件9和第二后轮组件10，因此，第一方向控制单元设置在第一前轮组件7和第二前轮组件8之间，第二方向控制单元设置在第一后轮组件9和第二后轮组件10之间。该儿童电动车优选为儿童电动摩托车。
第一方向控制单元包括与车架1相转动连接的前支架21，与车架1相活动连接且能够随着车架1的倾斜而沿着儿童电动车的左右方向运动的前转向连杆22，一端部与前转向连杆22相转动连接、另一端部与前轮组件的轮轴相固定连接的前连接件；前轮组件的轮轴或前连接件的另一端部与前支架21相转动连接。
具体地，前连接件包括一端部与前转向连杆22的一端部相转动连接、另一端部与第一前轮组件7的轮轴71相固定连接的第一前连接件23，一端部与前转向连杆22的另一端部相转动连接、另一端部与第二前轮组件8的轮轴81相固定连接的第二前连接件24；前支架21的一端部与第一前轮组件7的轮轴71或第一前连接件23的另一端部相转动连接，具体地，第一前轮组件7的轮轴71为L形，第一前连接件23固定在第一前轮组件7的轮轴71上，第一前轮组件7的轮轴71穿过前支架21的通孔使得第一前轮组件7的轮轴71和前支架21相转动连接，前支架21的另一端部与第二前轮组件8的轮轴81或第二前连接件24的另一端部相转动连接，具体地，第二前轮组件8的轮轴81为L型，第二前连接件24固定在第二前轮组件8的轮轴81上，第二前轮组件8的轮轴81穿过前支架21的通孔使得第二前轮组件8的轮轴81和前支架21相转动连接。
第二方向控制单元包括与车架1相转动连接的后支架31，与车架1相活动连接且能够随着车架1的倾斜而沿着儿童电动车的左右方向运动的后转向连杆32，一端部与后转向连杆32相转动连接、另一端部与后轮组件的轮轴相固定连接的后连接件；后轮组件的轮轴或后连接件的另一端部与后支架31相转动连接。
具体地，后连接件包括一端部与后转向连杆32的一端部相转动连接、另一端部与第一后轮组件9的轮轴91相固定连接的第一后连接件33，一端部与后转向连杆32的另一端部相转动连接、另一端部与第二后轮组件10的轮轴101相固定连接的第二后连接件34；后支架31的一端部与第一后轮组件9的轮轴91或第一后连接件33的另一端部相转动连接，具体地，第一后轮组件9的轮轴91为L形，第一后连接件33固定在第一后轮组件9的轮轴91上，第一后轮组件9的轮轴91穿过后支架31的通孔使得第一后轮组件9的轮轴91和后支架31相转动连接，后支架31的另一端部与第二后轮组件10的轮轴101或第二后连接件34的另一端部相转动连接，具体地，第二后轮组件10的轮轴101为L形，第一后连接件33固定在第二后轮组件10的轮轴101上，第二后轮组件10的轮轴101穿过后支架31的通孔使得第二后轮组件10的轮轴101和后支架31相转动连接。
前转向连杆22和后转向连杆32同时位于前支架21和后支架31形成的空间的内侧或外侧，当儿童电动车转向时，前轮组件和后轮组件的偏转方向不同。
车架1包括沿着儿童电动车的前后方向延伸的车架本体11、形成在车架本体11的前部且沿儿童电动车的上下方向延伸的前竖杆12、形成在前竖杆12上且沿儿童电动车的前后方向延伸的前横杆13、形成在车架本体11的后部且具有沿着儿童电动车的前后方向延伸的杆段的后横杆15、形成在后横杆15上且具有沿着儿童电动车的上下方向延伸的后竖杆14。
前支架21与前横杆13相转动连接，前转向连杆22上形成有沿上下方向延伸的前滑槽221，前竖杆12上设置有能够在前滑槽221内滑动的前拨杆25，当车架1转动时，前拨杆25在前滑槽221内滑动从而带动前转向连杆22左右移动。后支架31与后横杆15相转动连接，后转向连杆32上形成有沿上下方向延伸的后滑槽321，后竖杆14上设置有能够在后滑槽321内滑动的后拨杆35，当车架1转动时，后拨杆35在后滑槽321内滑动从而带动后转向连杆32左右移动。具体地，前支架21上形成有前轴套211，前横杆13能够转动地插设在前轴套211内，后支架31上形成有后轴套311，后横杆15能够转动地插设在后轴套311内。
第一前连接件23通过第一转轴26与前转向连杆22相转动连接，第二前连接件24通过第二转轴28与前转向连杆22相转动连接，第一后连接件33通过第三转轴36与后转向连杆32相转动连接，第二后连接件34通过第四转轴38与后转向连杆32相转动连接。
前支架21与车架1的转动轴心线（即前横杆13的中心线）、后支架31与车架1的转动轴心线（即后横杆15的中心线）、前转向连杆22与车架1的转动轴心线（即前拨杆25的中心线）、后转向连杆32与车架1的转动轴心线（即后拨杆35的中心线）均沿着儿童电动车的前后方向延伸，前连接件与前转向连杆22的转动轴心线（即第一转轴26和第二转轴28的轴心线）、前支架21与前连接件或前轮组件的轮轴的转动轴心线（即第一前轮组件7的轮轴71的竖直段27和第二前轮组件8的轮轴81的竖直段29的中心线）、后连接件与后转向连杆32的转动轴心线（即第三转轴36和第四转轴38的轴心线）、后支架31与后连接件或后轮组件的轮轴的转动轴心线（即第一后轮组件9的轮轴91的竖直段37和第二后轮组件10的轮轴101的竖直段39的中心线）均沿着儿童电动车的上下方向延伸。
前转向连杆22与车架1的活动连接处位于前支架21与车架1的转动连接处的下方，即前拨杆25位于前横杆13的下方，后转向连杆32与车架1的活动连接处位于后支架31与车架1的转动连接处的下方，即后拨杆35位于后横杆15的下方。
驱动机构包括与车架1相固定连接的电机4、与车架1相固定连接且由电机4驱动转动的驱动轮组件5、用于将电机4和驱动轮组件5传动连接的传动装置6。本实施例中，传动装置6为传动带，当然，如链条、齿轮等传动装置也是可以的。
当儿童电动车沿直线方向行驶时，车架1、第一方向控制单元和第二方向控制单元沿着儿童电动车呈左右对称结构，由此形成一个对称面，驱动轮组件5位于对称面上。
工作原理：当电机4带动驱动轮组件5运动至儿童电动车达到一定速度时，身体向左倾斜一定角度，车架本体11的前横杆13相对前支架21转动、后横杆15相对后支架31转动，此时，前拨杆25和后拨杆35分别带动前转向连杆22和后转向连杆32向右移动，进而带动第一前连接件23和第二前连接件24分别绕着第一前轮组件7的轮轴71的竖直段27和第二前轮组件8 的轮轴81的竖直段29逆时针转动，第一后连接件33和第二后连接件34分别绕着第一后轮组件9的轮轴91的竖直段37和第二后轮组件10的轮轴101的竖直段39顺时针转动，从而带动第一前轮组件7和第二前轮组件8向左转向一定角度，第一后轮组件9和第二后轮组件10向右转动一定角度，从而实现整车向左转向；当身体向右倾斜一定角度时，整车的运动过程与上述过程的运动方向相反，从而实现整车向右转向。
如上所述，我们完全按照本发明的宗旨进行了说明，但本发明并非局限于上述实施例和实施方法。相关技术领域的从业者可在本发明的技术思想许可的范围内进行不同的变化及实施。

Claims (10)

  1. 一种儿童电动车，包括车架（1）、设置在所述的车架（1）底部的前轮组件和后轮组件、用于驱动所述的儿童电动车运动的驱动机构，其特征在于：所述的儿童电动车还包括能够通过身体的倾斜来控制所述的儿童电动车的运动方向的方向控制装置，所述的方向控制装置包括分别设置在所述的前轮组件和所述的后轮组件处的第一方向控制单元和第二方向控制单元，
    所述的第一方向控制单元包括与所述的车架（1）相转动连接的前支架（21），与所述的车架（1）相活动连接且能够随着所述的车架（1）的倾斜而沿着所述的儿童电动车的左右方向运动的前转向连杆（22），一端部与所述的前转向连杆（22）相转动连接、另一端部与所述前轮组件的轮轴相固定连接的前连接件；所述前轮组件的轮轴或所述前连接件的另一端部与所述前支架（21）相转动连接，
    所述的第二方向控制单元包括与所述的车架（1）相转动连接的后支架（31），与所述的车架（1）相活动连接且能够随着所述的车架（1）的倾斜而沿着所述的儿童电动车的左右方向运动的后转向连杆（32），一端部与所述的后转向连杆（32）相转动连接、另一端部与所述后轮组件的轮轴相固定连接的后连接件；所述后轮组件的轮轴或所述后连接件的另一端部与所述后支架（31）相转动连接，
    所述的前转向连杆（22）和所述的后转向连杆（32）同时位于所述的前支架（21）和所述的后支架（31）形成的空间的内侧或外侧，当所述儿童电动车转向时，所述前轮组件和所述后轮组件的偏转方向不同。
  2. 根据权利要求1所述的儿童电动车，其特征在于：所述的前支架（21）与所述的车架（1）的转动轴心线、所述的后支架（31）与所述的车架（1）的转动轴心线、所述的前转向连杆（22）与所述的车架（1）的转动轴心线、所述的后转向连杆（32）与所述的车架（1）的转动轴心线均沿着所述的儿童电动车的前后方向延伸，所述的前连接件与所述的前转向连杆（22）的转动轴心线、所述的前支架（21）与所述的前连接件或所述的前轮组件的轮轴的转动轴心线、所述的后连接件与所述的后转向连杆（32）的转动轴心线、所述的后支架（31）与所述的后连接件或所述的后轮组件的轮轴的转动轴心线均沿着所述的儿童电动车的上下方向延伸。
  3. 根据权利要求1所述的儿童电动车，其特征在于：所述的前转向连杆（22）与所述的车架（1）的活动连接处位于所述的前支架（21）与所述的车架（1）的转动连接处的下方，所述的后转向连杆（32）与所述的车架（1）的活动连接处位于所述的后支架（31）与所述的车架（1）的转动连接处的下方。
  4. 根据权利要求1所述的儿童电动车，其特征在于：所述的驱动机构包括与所述的车架（1）相固定连接的电机（4）、与所述的车架（1）相固定连接且由所述的电机（4）驱动转动的驱动轮组件（5）、用于将所述的电机（4）和所述的驱动轮组件（5）传动连接的传动装置（6）。
  5. 根据权利要求4所述的儿童电动车，其特征在于：所述的传动装置（6）为传动带。
  6. 根据权利要求1所述的儿童电动车，其特征在于：所述的前转向连杆（22）上形成有沿上下方向延伸的前滑槽（221），所述的车架（1）上设置有能够在所述的前滑槽（221）内滑动的前拨杆（25），所述的后转向连杆（32）上形成有沿上下方向延伸的后滑槽（321），所述的车架（1）上设置有能够在所述的后滑槽（321）内滑动的后拨杆（35）。
  7. 根据权利要求6所述的儿童电动车，其特征在于：所述的车架（1）包括沿着所述的儿童电动车的前后方向延伸的车架本体（11）、形成在所述的车架本体（11）的前部且沿所述的儿童电动车的上下方向延伸的前竖杆（12）、形成在所述的前竖杆（12）上且沿所述的儿童电动车的前后方向延伸的前横杆（13）、形成在所述的车架本体（11）的后部且具有沿着所述的儿童电动车的前后方向延伸的杆段的后横杆（15）、形成在所述的后横杆（15）上且具有沿着所述的儿童电动车的上下方向延伸的后竖杆（14），所述的前支架（21）与所述的前横杆（13）相转动连接，所述的后支架（31）与所述的后横杆（15）相转动连接。
  8. 根据权利要求7所述的儿童电动车，其特征在于：所述的前拨杆（25）设置在所述的前竖杆（12）上，所述的后拨杆（35）设置在所述的后竖杆（14）上。
  9. 根据权利要求1所述的儿童电动车，其特征在于：当所述的儿童电动车沿直线方向行驶时，所述的车架（1）、所述的第一方向控制单元和所述的第二方向控制单元沿着所述的儿童电动车呈左右对称结构。
  10. 根据权利要求1至9中任一项所述的儿童电动车，其特征在于：所述的前轮组件包括对称设置在所述的儿童电动车的底前部的第一前轮组件（7）和第二前轮组件（8）；所述的前连接件包括一端部与所述的前转向连杆（22）的一端部相转动连接、另一端部与所述的第一前轮组件（7）的轮轴（71）相固定连接的第一前连接件（23），一端部与所述的前转向连杆（22）的另一端部相转动连接、另一端部与所述的第二前轮组件（8）的轮轴（81）相固定连接的第二前连接件（24）；所述的前支架（21）的一端部与所述的第一前轮组件（7）的轮轴（71）或所述的第一前连接件（23）的另一端部相转动连接，所述的前支架（21）的另一端部与所述的第二前轮组件（8）的轮轴（81）或所述的第二前连接件（24）的另一端部相转动连接，
    所述的后轮组件包括对称设置在所述的儿童电动车的底后部的第一后轮组件（9）和第二后轮组件（10）；所述的后连接件包括一端部与所述的后转向连杆（32）的一端部相转动连接、另一端部与所述的第一后轮组件（9）的轮轴（91）相固定连接的第一后连接件（33），一端部与所述的后转向连杆（32）的另一端部相转动连接、另一端部与所述的第二后轮组件（10）的轮轴（101）相固定连接的第二后连接件（34）；所述的后支架（31）的一端部与所述的第一后轮组件（9）的轮轴（91）或所述的第一后连接件（33）的另一端部相转动连接，所述的后支架（31）的另一端部与所述的第二后轮组件（10）的轮轴（101）或所述的第二后连接件（34）的另一端部相转动连接。
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