Gas spring improving shock absorbing effect of bicycle front fork

Abstract

The invention discloses a gas spring improving the shock absorbing effect of a bicycle front fork. The gas spring comprises a gas spring pipe body, a piston, a piston rod, cushion rubber and a seal base, wherein a gas nozzle is formed at the top end of the gas spring pipe body; the piston is slidably connected in the gas spring pipe body, and one end of the piston rod is fixedly connected to the piston while the other end of the piston rod extends out of the gas spring pipe body; the seal base sleeves the piston rod and is fixed in the gas spring pipe body; the cushion rubber sleeves the piston rod and is located between the piston and the seal base; a plurality of grooves are formed on the outer side wall of the cushion rubber in a concave manner; a first gas chamber is formed in a pipe chamber between the gas nozzle in the gas spring pipe body and the piston, and a second gas chamber is formed in a pipe chamber between the grooves of the cushion rubber and the gas spring pipe body. According to the gas spring disclosed by the invention, as two gas chambers are formed in the gas spring pipe body, the first being a positive gas chamber and the second being a negative gas chamber, a bicycle user can pressurize and decompress the positive / negative gas chambers according to a self-experience demand so as to adjust the sensitivity and comfort of the front fork.

Description

technical field [0001] The invention relates to the field of bicycle front fork shock absorption, and more specifically relates to a gas spring for improving the shock absorption effect of the bicycle front fork. Background technique [0002] Under the advocacy policy of building a low-carbon, environmentally friendly and energy-saving society, bicycles are the best practical tool for people to exercise and travel. And in present bicycle front fork, the structure of the simple and easy single air chamber spring that directly installs additional piston and constitutes in the bicycle aluminum fork tube. When the existing simple air pressure front fork is actually working, because there is air pressure in a single air chamber, the air pressure level can be adjusted for the air chamber, but because there is no negative pressure air chamber, the initial pressure of the front fork cannot be adjusted, resulting in front Rider comfort is noticeably reduced when the fork is too stre...

AI Technical Summary

Problems solved by technology

When the existing simple air pressure front fork is actually working, because there is air pressure in a single air chamber, the air pressure can be adjusted up and down in the air chamber, but because there is no negative pressure air chamber, the initial pressure of the front fork cannot be adjusted, resulting in front Fork pressure is too high during the initial depression phase, the rider's comfort is significantly reduced

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