CN2306167Y - 步行式自行车 - Google Patents

步行式自行车 Download PDF

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Publication number
CN2306167Y
CN2306167Y CN97226401U CN97226401U CN2306167Y CN 2306167 Y CN2306167 Y CN 2306167Y CN 97226401 U CN97226401 U CN 97226401U CN 97226401 U CN97226401 U CN 97226401U CN 2306167 Y CN2306167 Y CN 2306167Y
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wheel
bicycle
chain
utility
model
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Expired - Fee Related
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CN97226401U
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王仲明
李露
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M1/00—Rider propulsion of wheeled vehicles
    • B62M1/34—Rider propulsion of wheeled vehicles by walking on an endless belt
    • 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
    • B62K3/002—Bicycles without a seat, i.e. the rider operating the vehicle in a standing position, e.g. non-motorized scooters; non-motorized scooters with skis or runners

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Abstract

一种自行车,在车架(3)的水平框架部分有传动轮组(4),每个传动轮都有连杆(5)与相邻的传动轮组成平行双曲柄传动机构,链轮(10)与传动轮组的末轮同轴,链轮(9)固定在自行车后轮(8)上,两链轮以绕着换向轮(11)的链条(7)连接,换向轮固定在车架(3)上。由于这种车无座鞍及脚踏曲柄传动装置,车架低,整车所占体积小、重量轻,适用于大人小孩代步或健身。

Description

步行式自行车
本实用新型属自行车领域。
现有的自行车都有供骑车人乘坐的座鞍，为了把车轮、车把和座鞍等固定在合适的位置上，自行车的车架就必须有比较大的尺寸，使整车的体积和重量都比较大。
本实用新型的目的是提供一种不要座鞍、用步行状态使车行进的步行式自行车，使其不仅可以代步，还可以明显减小整车体积和重量。
本实用新型以如下方式实现其目的：车架3上有一组传动轮4，链轮10与传动轮组的末轮同轴，链轮9固定在自行车后轮8上，两链轮之间以绕着换向轮11的链条7连接，换向轮安装在车架3上。
本实用新型的自行车由人在车上以站姿步行或跑步驱动行进。由于无座鞍及脚踏曲柄传动装置，车架特别低，在车轮轮径与现有自行车相同的条件下，所占用的体积和重量都明显减少，大人小孩都可用于代步或健身；用于健身时，只需抬起后轮使之不着地，即成为跑步机。
以下结合附图实施例进一步说明本实用新型：
图1是本实用新型步行式自行车传动轮组有数个传动轮的结构示意图。
图2是对图1中车架的水平框架和传动轮的A向局部放大视图。
车架3的前后端分别有前轮1和后轮8，前轮上方有车把2，车架中部固定有一组传动轮4，每个传动轮分成三段固定在车架上，并有连杆5与相邻传动轮组成平行双曲柄传动机构。链轮10与传动轮组的末轮同轴，链轮9固定在后轮8上，两链轮以绕着换向轮11的链条7连接，换向轮固定在车架上。若令传动轮的两组连杆定位轴6在圆面上的位置相差一定角度，则可以防止因连杆进入死点而导致传动轮不转的情况发生。当骑车人用手扶住车把2站在传动轮组4上向后踩动时，各传动轮及链轮10逆时针转动，链轮9则带动后轮8作顺时针转动，自行车便向前行进。如果用胶皮包住整个传动轮组的上下方，踩动时脚底感觉会好些，但传动效率亦可能有所降低。

Claims (2)

1．一种步行式自行车，有前后轮、车把和车架，其特征是车架(3)上有一组传动轮(4)，链轮(10)与传动轮组的末轮同轴，链轮(9)固定在自行车后轮(8)上，两链轮以绕着换向轮(11)的链条(7)连接，换向轮安装在车架(3)上。
2．如权利要求1所述步行式自行车，其特征是每个传动轮都有连杆(5)与相邻传动轮组成平行双曲柄传动机构。
CN97226401U 1997-09-01 1997-09-01 步行式自行车 Expired - Fee Related CN2306167Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN97226401U CN2306167Y (zh) 1997-09-01 1997-09-01 步行式自行车

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN97226401U CN2306167Y (zh) 1997-09-01 1997-09-01 步行式自行车

Publications (1)

Publication Number Publication Date
CN2306167Y true CN2306167Y (zh) 1999-02-03

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CN97226401U Expired - Fee Related CN2306167Y (zh) 1997-09-01 1997-09-01 步行式自行车

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CN (1) CN2306167Y (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100335346C (zh) * 2005-08-29 2007-09-05 周安定 一种能兼作滑板车的运动型自行车
CN111874151A (zh) * 2020-06-05 2020-11-03 上海电机学院 一种跑步自行车

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100335346C (zh) * 2005-08-29 2007-09-05 周安定 一种能兼作滑板车的运动型自行车
CN111874151A (zh) * 2020-06-05 2020-11-03 上海电机学院 一种跑步自行车

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