Telescopic bicycle frame

A bicycle and frame technology, which is applied in the field of retractable bicycle frames, can solve the problems of waste, bicycles cannot be stretched, and limit the scope of purchase, etc., and achieve the effects of simple structure, safe and reliable use, and improved practicability

Inactive Publication Date: 2016-02-10
TIANJIN AIDU BICYCLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Nowadays, people of different age groups and heights must use bicycles of different sizes for convenience and safety. Bicycles canno

Method used

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  • Telescopic bicycle frame
  • Telescopic bicycle frame

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with accompanying drawing:

[0028] refer to figure 1 and figure 2 The telescopic bicycle frame embodiment of the present invention is described further:

[0029] In order to achieve the above object, the present invention adopts the following technical solutions: a retractable bicycle frame, comprising: the brake 1 is installed on the handle beam 2, and is connected with the brake 4 through the brake line, and the front end of the frame 21 is fixed with With the headlight 3 connected with the generator 15 by the wire 17, the front and rear of the chain 11 are respectively connected with a sprocket 10 and a small sprocket 12, and the sprocket 10 is connected with the pedal 9.

[0030] By adopting the above technical solution: a retractable bicycle frame, comprising: the brake 1 is installed on the handle beam 2, and connected with the brake 4 through the brake line, the brake 1 is pulled, and the br...

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PUM

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Abstract

The invention belongs to the technical field of bicycle devices, and particularly relates to a telescopic bicycle frame. The telescopic bicycle frame is mainly characterized in that the distance between a handle beam and a saddle can be adjusted by an inclined telescopic beam and a telescopic beam, and a handle can be folded to change the size of the handle beam, so as to be suitable for people of different ages to ride. The telescopic bicycle frame comprises a brake, wherein the brake is installed on the handle beam and is connected with a brake device through a brake cable, a headlamp which is connected with a generator through a conducting wire is fixed to the front end of the frame, a chain wheel and a small chain wheel are respectively connected to the front and back parts of a chain, and the chain wheel is connected with pedals. The telescopic bicycle frame has the advantages of simple structure and safety and reliability in use and is suitable for the people of different ages to use, and the riding safety is increased.

Description

technical field [0001] The invention belongs to the technical field of electrical switch cabinets, in particular to a retractable bicycle frame. Background technique [0002] A bicycle, also known as a bicycle or bicycle, is usually a small land vehicle with two wheels. After a person rides on the car, it is powered by pedals, which is a green and environmentally friendly means of transportation. More and more people use bicycles as fitness equipment for cycling exercise and bicycle outings. [0003] Nowadays, people of different age groups and different heights must use bicycles of different sizes for convenience and safety. Bicycles cannot be stretched and retracted, and the size can be changed freely, which limits the scope of people's purchases and causes unnecessary waste. Contents of the invention [0004] In view of the deficiencies in the prior art, the object of the present invention is to provide a retractable bicycle frame with simple structure, safe and relia...

Claims

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Application Information

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IPC IPC(8): B62K3/02B62J9/00B62J6/06B62K21/26B62L3/02
Inventor 张云苓
Owner TIANJIN AIDU BICYCLE
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