The invention relates to a folding type shock-absorbing bicycle frame. The folding type shock-absorbing bicycle frame comprises a seat tube of which the bottom end is firmly connected with an intermediate shaft sleeve, a first beam with a front fork tube at the front end, an oblique beam, a seat stay composed of a straight tube part and an arc-shaped tube part, and a support rod, wherein the front side of the lower part of the seat tube is firmly connected with a first ear plate, the rear side is firmly connected with a second ear plate, the rear side of the upper part is firmly connected with a third ear plate, and the front side of the upper part is firmly connected with a second beam; the two beams are connected through a folder; the upper end of the oblique beam is firmly connected with the lower part of the front end of the second beam while the lower end is firmly connected with the first ear plate; an axial strip-shaped hole is formed in the side wall of the straight tube part; a ladder shaft-shaped telescopic rod inserted in the straight tube part of the seat stay is hinged to the third ear plate, a spring sleeves the small end thereof, the outer diameter of the thick end is equal to the inner diameter of the straight tube part of the seat stay, and a pin located in the strip-shaped hole is firmly connected with the outer wall of the thick end; the lower end of the support rod is hinged to the second ear plate while the upper end is firmly connected with the straight tube part of the stay seat.
Folding type shock-absorbing bicycle frame
2015-04-15
Patent
Elektronische Ressource
Englisch
IPC: | B62K Fahrräder , CYCLES |