Structure for folding standpipe of bicycle

A folding structure, bicycle technology, applied to bicycles, foldable bicycles, motor vehicles, etc., can solve the problems that are not suitable for bicycle applications, and achieve the effect of distributed force, high safety performance, and not easy to break
CN1915734AInactive Publication Date: 2007-02-21魏文士 +1

Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
魏文士
Publication Date
2007-02-21
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

A folding structure for the vertical tube of bicycle is composed of upper vertical tube with a slot and a locking hoop having two through holes at its both ends, lower vertical tube, locking handle module with a fastening pin and its sleeve and a locking handle with eccentric structure, folding guide plate with symmetrical two screw holes and symmetrical two guide holes, and locating and fixing screws.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to the application field of folding bicycles, in particular to a bicycle standpipe folding structure, which is suitable for manpower and electric bicycles. Background technique

[0002] At present, the standpipe folders of most products in the folding bicycle market use a simple handle with claws to fold and open the entire standpipe through an elliptical movement, and are held by a plastic safety hook. The handle prevents the handle from bouncing away from the external force after it is locked. This is simple and convenient, but the locked quick-lock handle may be shaken by vibration and shaking during riding. The resulting force will cause the deformation of the place where the upper fold is stressed to gradually lose its effect, which will have a great impact on the safety of the user and the use time of the bicycle.

[0003] The existing newly developed standpipe folding structure usually uses a folding seat to connect the up...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More