WO2023010985A1 - 一种自行车的限位结构 - Google Patents

一种自行车的限位结构 Download PDF

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Publication number
WO2023010985A1
WO2023010985A1 PCT/CN2022/096789 CN2022096789W WO2023010985A1 WO 2023010985 A1 WO2023010985 A1 WO 2023010985A1 CN 2022096789 W CN2022096789 W CN 2022096789W WO 2023010985 A1 WO2023010985 A1 WO 2023010985A1
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WO
WIPO (PCT)
Prior art keywords
limiting
bicycle
limiting block
accommodated
front fork
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PCT/CN2022/096789
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English (en)
French (fr)
Inventor
张均
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深圳酷骑童趣科技有限公司
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Publication of WO2023010985A1 publication Critical patent/WO2023010985A1/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
    • B62K21/00—Steering devices
    • B62K21/08—Steering dampers
    • 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
    • B62K19/00—Cycle frames
    • B62K19/30—Frame parts shaped to receive other cycle parts or accessories
    • B62K19/32—Steering heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J1/00—Saddles or other seats for cycles; Arrangement thereof; Component parts
    • B62J1/08—Frames for saddles; Connections between saddle frames and seat pillars; Seat pillars
    • 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
    • B62K21/18—Connections between forks and handlebars or handlebar stems
    • 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 utility model relates to the field, in particular to a position-limiting structure of a bicycle.
  • the utility model proposes a position-limiting structure of a bicycle.
  • the utility model proposes a position-limiting structure of a bicycle.
  • the position-limiting structure of the bicycle comprises: a handle, a rotating part, a front fork, and a frame body.
  • One end of the installation part, the front fork part is accommodated at the other end of the installation part, the rotating part is accommodated in the installation part, and the two ends of the rotating part are respectively the front fork and the handle.
  • an annular movable groove is formed between the inner wall of the mounting part and the rotating member, and a first limiting block is provided on the front fork, and the first limiting block is movably accommodated in the movable groove.
  • the frame body further includes a second limiting block, and the second limiting block is fixedly accommodated in the movable groove.
  • the second limiting block is provided with two first limiting surfaces, the two first limiting surfaces are arranged symmetrically, and the extension line from the first limiting surface to the center of the rotating member and the horizontal line The included angle is 30 degrees.
  • the first limiting block is provided with two second limiting surfaces, the two second limiting surfaces are arranged symmetrically, and the angle between the two second limiting surfaces is 60 degrees.
  • a positioning portion is provided on the rotating member, and the first limiting block abuts against the positioning portion.
  • the limiting structure of the bicycle also includes a front wheel, a rear wheel and two auxiliary wheels, the front wheel is movably connected with the front fork, the rear wheel is movably connected with the frame main body, and the two The auxiliary wheels are arranged symmetrically on both sides of the rear wheel and are movably connected with the rear wheel.
  • the limiting structure of the bicycle also includes an adjustment member and a seat plate, one end of the seat plate is accommodated in the frame body and is movably connected with the frame body, and the adjustment member is movably installed on the frame body.
  • a groove is arranged on the main body of the vehicle frame, and the adjusting member blocks the groove.
  • the utility model proposes a limiting structure of a bicycle.
  • the handle drives the front fork to rotate through the rotating member, so that the first limiting block rotates around the center of the rotating member in the movable groove, when the first limiting When the block abuts against the second limit block, the handle cannot continue to rotate, thereby preventing the handle from rotating 180 degrees to the left or right when turning, thereby preventing the child from falling, so that the child can learn better Cycling.
  • Fig. 1 is the perspective view of the position-limiting structure of the bicycle of the present utility model
  • Fig. 2 is the perspective view of the rotating part of the present utility model
  • Fig. 3 is the perspective view of the front fork of the present utility model
  • Fig. 4 is a cross-sectional view of the limiting structure of the bicycle of the present invention.
  • Fig. 5 is a partially enlarged schematic diagram of place A in Fig. 4;
  • Fig. 6 is a cross-sectional view of a part of the space-limiting structure of the bicycle of the present invention.
  • Fig. 7 is a cross-sectional view of the adjusting part of the present invention.
  • the utility model proposes a kind of limit structure of bicycle
  • the limit structure of described bicycle comprises: handle 10, rotating member 20, front fork 30, vehicle frame main body 40, and described vehicle frame main body 40 is provided with a mounting part 41
  • the handle 10 is partially accommodated in one end of the mounting part 41
  • the front fork 30 is partially accommodated in the other end of the mounting part 41
  • the rotating member 20 is accommodated in the mounting In the part 41
  • the two ends of the rotating part 20 are movably connected to the front fork 30 and the handle 10 respectively
  • an annular movable groove 42 is formed between the inner wall of the mounting part 41 and the rotating part 20.
  • the fork 30 is provided with a first limiting block 31, and the first limiting block 31 is movably accommodated in the movable groove 42.
  • the frame main body 40 also includes a second limiting block 43, and the second limiting block 43 The block 43 is fixedly accommodated in the movable slot 42 .
  • the handle 10 drives the front fork 30 to rotate through the rotating member 20, so that the first stopper 31 rotates around the center of the rotating member 20 in the movable groove 42, when the When the first limiting block 31 abuts against the second limiting block 43, the handle 10 cannot continue to rotate, thereby preventing the handle 10 from rotating 180 degrees to the left or right when turning, thereby preventing children from falling Inverted, so that children can better learn to ride a bicycle.
  • the second limiting block 43 is provided with two first limiting surfaces 44, the two first limiting surfaces 44 are arranged symmetrically, and the extension of the first limiting surface 44 to the center of the rotating member 20
  • the angle between the line and the horizontal line is 30 degrees (angle ⁇ in the figure).
  • first limiting block 31 is provided with two second limiting surfaces 32, the two second limiting surfaces 32 are arranged symmetrically, and the angle between the two second limiting surfaces 32 is 60° degrees (angle ⁇ in the figure).
  • the angle between the extension line from the first limiting surface 44 to the center of the rotating member 20 and the horizontal line is 30 degrees
  • the angle between the two second limiting surfaces 32 is 60 degrees.
  • the maximum turning range of the handlebar turning left and right is 120 degrees, which can prevent children from turning too much in the process of turning while ensuring the steering.
  • the bicycle is too big to fall down, so that children can learn to ride a bicycle better, and the bicycle's space-limiting structure is adopted to make the bicycle's space-limiting structure simpler and more compact, which is convenient for the production and assembly of the bicycle.
  • the rotating member 20 is provided with a positioning portion 21 , and the first limiting block 31 abuts against the positioning portion 21 .
  • the first limiting block 31 is in contact with the positioning portion 21, and the front fork 30 can be mounted on the rotating member 20 more quickly through the positioning portion 21, This facilitates the positioning and installation of the front fork 30 .
  • the limiting structure of the bicycle also includes a front wheel 51, a rear wheel 52, and two auxiliary wheels 53, the front wheel 51 is movably connected to the front fork 30, and the rear wheel 52 is connected to the vehicle frame
  • the main body 40 is movably connected, and the two auxiliary wheels 53 are symmetrically arranged on both sides of the rear wheel 52 and are movably connected with the rear wheel 52 .
  • the two auxiliary wheels 53 are symmetrically arranged on both sides of the rear wheel 52 and are movably connected with the rear wheel 52, so that the bicycle can maintain balance, and further prevent children from falling while learning bicycles. Inverted, so that children can learn to ride a bicycle more easily.
  • the limiting structure of the bicycle also includes an adjustment member 61 and a seat plate 62, one end of the seat plate 62 is accommodated in the frame body 40 and is movably connected with the frame body 40, and the adjustment member 61 is movably installed on the frame body 40 , the frame body 40 is provided with a groove 45 , and the adjusting member 61 blocks the groove 45 .
  • adjusting the adjustment member 61 can make the groove 45 bigger, so as to facilitate the adjustment of the height of the seat plate 62, and locking the adjustment member 61 can make the groove 45 larger. becomes smaller so that the seat plate 62 is fixed to the frame body 40 .
  • the utility model also has other multiple implementation modes. Based on this implementation mode, other implementation modes obtained by those of ordinary skill in the art without any creative work, all belong to the protection scope of the utility model. .

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

Abstract

一种自行车的限位结构，包括：把手（10）、转动件（20）、前叉（30）、车架主体（40），车架主体上设有安装部（41），把手部分收容于安装部的一端，前叉部分收容于安装部的另一端，转动件收容于安装部内，转动件的两端分别与前叉、把手活动连接，安装部内壁与转动件之间形成环形的活动槽（42），前叉上设有第一限位块（31），第一限位块活动收容于活动槽内，车架主体还包括第二限位块（43），第二限位块固定收容于活动槽内。转动把手时，把手通过转动件带动前叉转动，从而使第一限位块在活动槽内绕转动件的圆心转动，当第一限位块与第二限位块抵接时，把手无法继续转动，从而防止把手在转弯时向左或者向右旋转180度，进而防止儿童摔倒。

Description

一种自行车的限位结构 技术领域
本实用新型涉及.领域，尤其是一种自行车的限位结构。
背景技术
现有市场上的儿童单车，其转向多为360度自由旋转。由于自由转向角度过大，对于儿童，尤其是初学阶段的儿童，在骑行单车的过程中容易失去平衡而摔倒，即使在加装辅助轮的情况下也会因为转向角度过大加上单车行驶过程中的惯性，也容易使车子失去平衡后摔倒。因此，现有的儿童自行车上的转向机构由于缺少限位机构，转向没有限制，儿童在骑行过程中存在安全隐患。
实用新型内容
为了解决上述问题，本实用新型提出一种自行车的限位结构。
本实用新型通过以下技术方案实现的：
本实用新型提出一种自行车的限位结构，所述自行车的限位结构包括：把手、转动件、前叉、车架主体，所述车架主体上设有安装部，所述把手部分收容于所述安装部的一端，所述前叉部分收容于所述安装部的另一端，所述转动件收容于所述安装部内，所述转动件的两端分别所述前叉、所述把手活动连接，所述安装部内壁与所述转动件之间形成环形的活动槽，所述前叉上设有第一限位块，所述第一限位块活动收容于所述活动槽内，所述车架主体还包括第二限位块，所述第二限位块固定收容于所述活动槽内。
进一步的，所述第二限位块上设有两个第一限制面，两个所述第一限制面对称设置，所述第一限制面到所述转动件圆心的延长线与水平线的夹角为30度。
进一步的，所述第一限位块上设有两个第二限制面，两个所述第二限制面 对称设置，两个所述第二限制面之间的夹角为60度。
进一步的，所述转动件上设有定位部，所述第一限位块与所述定位部抵接。
进一步的，所述自行车的限位结构还包括前轮、后轮、两个辅助轮，所述前轮与所述前叉活动连接，所述后轮与所述车架主体活动连接，两个所述辅助轮对称设置在所述后轮的两侧并与所述后轮活动连接。
进一步的，所述自行车的限位结构还包括调节件、座板，所述座板一端收容于所述车架主体内并与所述车架主体活动连接，所述调节件活动安装在所述车架主体上，所述车架主体上设有凹槽，所述调节件遮挡所述凹槽。
本实用新型的有益效果：
本实用新型提出一种自行车的限位结构，使用时，由于所述第一限位块活动收容于所述活动槽内，所述第二限位块固定收容于所述活动槽内，转动所述把手时，所述把手通过所述转动件带动所述前叉转动，从而使所述第一限位块在所述活动槽内绕所述转动件的圆心转动，当所述第一限位块与所述第二限位块抵接时，所述把手无法继续转动，从而防止所述把手在转弯时向左或者向右旋转180度，进而防止儿童摔倒，使得儿童能够更好的学习骑自行车。
附图说明
图1为本实用新型的自行车的限位结构的立体图；
图2为本实用新型的转动件的立体图；
图3为本实用新型的前叉的立体图；
图4为本实用新型的自行车的限位结构的剖视图；
图5为图4中A处局部放大示意图；
图6为本实用新型的自行车的限位结构的部分结构的剖视图；
图7为本实用新型的调节件处的剖视图。
具体实施方式
为了更加清楚、完整的说明本实用新型的技术方案，下面结合附图对本实用新型作进一步说明。
请参考图1至图7，本实用新型提出一种自行车的限位结构，所述自行车的限位结构包括：把手10、转动件20、前叉30、车架主体40，所述车架主体40上设有安装部41，所述把手10部分收容于所述安装部41的一端，所述前叉30部分收容于所述安装部41的另一端，所述转动件20收容于所述安装部41内，所述转动件20的两端分别所述前叉30、所述把手10活动连接，所述安装部41内壁与所述转动件20之间形成环形的活动槽42，所述前叉30上设有第一限位块31，所述第一限位块31活动收容于所述活动槽42内，所述车架主体40还包括第二限位块43，所述第二限位块43固定收容于所述活动槽42内。
在本实施方式中，使用时，由于所述第一限位块31活动收容于所述活动槽42内，所述第二限位块43固定收容于所述活动槽42内，转动所述把手10时，所述把手10通过所述转动件20带动所述前叉30转动，从而使所述第一限位块31在所述活动槽42内绕所述转动件20的圆心转动，当所述第一限位块31与所述第二限位块43抵接时，所述把手10无法继续转动，从而防止所述把手10在转弯时向左或者向右旋转180度，进而防止儿童摔倒，使得儿童能够更好的学习骑自行车。
进一步的，所述第二限位块43上设有两个第一限制面44，两个所述第一限制面44对称设置，所述第一限制面44到所述转动件20圆心的延长线与水平线的夹角为30度(图中角度α)。
进一步的，所述第一限位块31上设有两个第二限制面32，两个所述第二限 制面32对称设置，两个所述第二限制面32之间的夹角为60度(图中角度β)。
在本实施方式中，由于所述第一限制面44到所述转动件20圆心的延长线与水平线的夹角为30度，两个所述第二限制面32之间的夹角为60度，使得所述车把在向左、向右转向时，所述车把左、右旋转的最大转向幅度为120度，在保证转向的同时又能防止儿童在转弯的过程中由于转弯的幅度过大而摔倒，使得儿童能够更好的学习骑自行车，采用所述自行车的限位结构，使得自行车的限位结构更简单、结构更加紧凑，便于自行车的生产及组装。
进一步的，所述转动件20上设有定位部21，所述第一限位块31与所述定位部21抵接。
在本实施方式中，所述第一限位块31与所述定位部21抵接，通过所述定位部21，能够使所述前叉30能够更加快速的安装到所述转动件20上，便于所述前叉30的定位安装。
进一步的，所述自行车的限位结构还包括前轮51、后轮52、两个辅助轮53，所述前轮51与所述前叉30活动连接，所述后轮52与所述车架主体40活动连接，两个所述辅助轮53对称设置在所述后轮52的两侧并与所述后轮52活动连接。
在本实施方式中，两个所述辅助轮53对称设置在所述后轮52的两侧并与所述后轮52活动连接，使自行车能够保持平衡，进一步防止儿童在学习自行车的过程中摔倒，从而便于儿童更加的学习骑自行车。
进一步的，所述自行车的限位结构还包括调节件61、座板62，所述座板62一端收容于所述车架主体40内并与所述车架主体40活动连接，所述调节件61活动安装在所述车架主体40上，所述车架主体40上设有凹槽45，所述调节件 61遮挡所述凹槽45。
在本实施方式中，调送所述调节件61，能够使所述凹槽45变大，从而方便调节所述座板62的高度，锁紧所述调节件61，能够使所述凹槽45变小，从而使所述座板62固定到所述车架主体40上。
当然，本实用新型还可有其它多种实施方式，基于本实施方式，本领域的普通技术人员在没有做出任何创造性劳动的前提下所获得其他实施方式，都属于本实用新型所保护的范围。

Claims (6)

  1. 一种自行车的限位结构，其特征在于，所述自行车的限位结构包括：把手、转动件、前叉、车架主体，所述车架主体上设有安装部，所述把手部分收容于所述安装部的一端，所述前叉部分收容于所述安装部的另一端，所述转动件收容于所述安装部内，所述转动件的两端分别所述前叉、所述把手活动连接，所述安装部内壁与所述转动件之间形成环形的活动槽，所述前叉上设有第一限位块，所述第一限位块活动收容于所述活动槽内，所述车架主体还包括第二限位块，所述第二限位块固定收容于所述活动槽内。
  2. 根据权利要求1所述的自行车的限位结构，其特征在于，所述第二限位块上设有两个第一限制面，两个所述第一限制面对称设置，所述第一限制面到所述转动件圆心的延长线与水平线的夹角为30度。
  3. 根据权利要求1所述的自行车的限位结构，其特征在于，所述第一限位块上设有两个第二限制面，两个所述第二限制面对称设置，两个所述第二限制面之间的夹角为60度。
  4. 根据权利要求1所述的自行车的限位结构，其特征在于，所述转动件上设有定位部，所述第一限位块与所述定位部抵接。
  5. 根据权利要求1所述的自行车的限位结构，其特征在于，所述自行车的限位结构还包括前轮、后轮、两个辅助轮，所述前轮与所述前叉活动连接，所述后轮与所述车架主体活动连接，两个所述辅助轮对称设置在所述后轮的两侧并与所述后轮活动连接。
  6. 根据权利要求1所述的自行车的限位结构，其特征在于，所述自行车的限位结构还包括调节件、座板，所述座板一端收容于所述车架主体内并与所述车架主体活动连接，所述调节件活动安装在所述车架主体上，所述车架主体上 设有凹槽，所述调节件遮挡所述凹槽。
PCT/CN2022/096789 2021-08-06 2022-06-02 一种自行车的限位结构 WO2023010985A1 (zh)

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