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CN-224229153-U - Shock absorber for bicycle

CN224229153UCN 224229153 UCN224229153 UCN 224229153UCN-224229153-U

Abstract

The utility model discloses a bicycle shock absorber, which comprises a main body, a fixing structure, a rear plug, a sliding component and a spring, wherein an installation cavity is formed in the main body, the fixing structure is fixed in the installation cavity, the rear plug is fixed in the installation cavity and is positioned at the rear of the fixing structure, a communication hole is formed in the rear plug, a valve is arranged in the communication hole, the sliding component comprises a sliding rod and a valve body, the sliding rod can be arranged on the fixing structure in a front-back movable mode, the valve body is positioned between the fixing structure and the rear plug, the valve body and the rear plug form a sealing cavity in a surrounding mode, the spring is arranged between the fixing structure and the valve body, the sealing cavity can accommodate compressed air or inert gas, so that when a road surface is not normal, the gas and the spring play a role of shock absorption is achieved, and the rear plug and the valve are arranged, a user can charge the gas into the sealing cavity through the valve, or release the gas from the sealing cavity, and the comfort degree is adjusted.

Inventors

  • ZHOU ZEQI

Assignees

  • 佛山市中鑫奥联精密科技有限公司

Dates

Publication Date
20260512
Application Date
20250630

Claims (10)

  1. 1. A bicycle shock absorber, comprising: a main body having a mounting cavity therein extending in a front-rear direction; The fixing structure is fixed in the mounting cavity; The rear plug is fixed in the mounting cavity and positioned at the rear of the fixing structure, a communication hole is formed in the rear plug, the communication hole can enable the mounting cavity positioned in front of the rear plug to be communicated with the outside of the main body, and a valve is arranged in the communication hole; The sliding assembly comprises a sliding rod and a valve body arranged at the rear end of the sliding rod, the sliding rod is arranged on the fixed structure in a back-and-forth movable mode, the valve body is positioned between the fixed structure and the rear plug, and the valve body and the rear plug are enclosed to form a sealing cavity; the spring is positioned in the mounting cavity and sleeved outside the sliding rod, and the spring is positioned between the fixing structure and the valve body.
  2. 2. The bicycle shock absorber according to claim 1, wherein the sliding assembly further comprises a spring pad sleeved outside the sliding rod, the spring pad is located between the fixed structure and the valve body, and two ends of the spring are sleeved on the spring pad and the valve body respectively.
  3. 3. The bicycle shock absorber according to claim 2, wherein a first cushion pad is disposed between the fixing structure and the spring pad and is sleeved outside the sliding rod.
  4. 4. The bicycle shock absorber according to claim 3, wherein the plurality of first cushion pads are sequentially arranged in a front-rear direction, and a rear end surface of the first cushion pad adjacent to the spring pad is in surface contact with a front end surface of the spring pad.
  5. 5. The bicycle shock absorber according to claim 4, wherein said first cushion pad adjacent to said fixed structure is an O-ring.
  6. 6. The bicycle shock absorber according to claim 2, wherein a gap is provided between an outer side wall of at least a portion of the spring pad and an inner wall of the mounting cavity.
  7. 7. A bicycle shock absorber according to claim 2 or 3, wherein: The mounting cavity comprises a fixed cavity; the fixed knot constructs including guide, second blotter and spacer subassembly, the guide the second blotter with the spacer subassembly sets gradually along the fore-and-aft direction and is located in the fixed chamber, the spacer subassembly can the fore-and-aft direction compress tightly the second blotter, the slide bar runs through the guide the second blotter with the spacer subassembly.
  8. 8. The bicycle shock absorber according to any of claims 2-6, wherein said slide bar is sleeved with a cushion ring, said cushion ring being located between said spring washer and said valve body.
  9. 9. The bicycle shock absorber according to any of claims 1-6, further comprising a rubber sleeve positioned within said mounting cavity, said rubber sleeve being positioned over said sliding rod and said spring.
  10. 10. The bicycle shock absorber according to claim 1, wherein a plurality of sealing rings are arranged between an outer side wall of the valve body and an inner wall of the installation cavity and between an outer side wall of the rear plug and the inner wall of the installation cavity.

Description

Shock absorber for bicycle Technical Field The utility model relates to the field of bicycles, in particular to a bicycle shock absorber. Background The damping function is realized through hydraulic oil structure to the ordinary bicycle shock attenuation on the market at present, but can not adjust the comfort level. Disclosure of utility model The present utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the present utility model proposes a bicycle shock absorber. The technical scheme includes that the sliding assembly comprises a main body, a fixing structure, a rear plug, a sliding assembly and a spring, wherein an installation cavity extending in the front-rear direction is formed in the main body, the fixing structure is fixed in the installation cavity, the rear plug is fixed in the installation cavity and located behind the fixing structure, the rear plug is internally provided with a communication hole, the installation cavity located in front of the rear plug is communicated with the outside of the main body, the communication hole is provided with a valve, the sliding assembly comprises a sliding rod and a valve body arranged at the rear end of the sliding rod, the sliding rod is installed on the fixing structure in a front-rear movable mode, the valve body is located between the fixing structure and the rear plug, the valve body and the rear plug are enclosed to form a sealing cavity, the spring is located in the installation cavity and sleeved outside the sliding rod, and the spring is located between the fixing structure and the valve body. Further, the sliding assembly further comprises a spring pad sleeved outside the sliding rod, the spring pad is located between the fixing structure and the valve body, and two ends of the spring are sleeved on the spring pad and the valve body respectively. Further, a first buffer cushion sleeved outside the sliding rod is arranged between the fixing structure and the spring pad. Further, the number of the first cushion pads is plural, the plural first cushion pads are sequentially arranged along the front-back direction, and the rear end surface of the first cushion pad, which is close to the spring cushion, is in surface contact with the front end surface of the spring cushion. Further, the first cushion pad adjacent to the fixed structure is an O-ring. Further, a gap is provided between an outer sidewall of at least a portion of the spring pad and an inner wall of the mounting cavity. Further, the method comprises the steps of, The mounting cavity comprises a fixed cavity; the fixed knot constructs including guide, second blotter and spacer subassembly, the guide the second blotter with the spacer subassembly sets gradually along the fore-and-aft direction and is located in the fixed chamber, the spacer subassembly can the fore-and-aft direction compress tightly the second blotter, the slide bar runs through the guide the second blotter with the spacer subassembly. Further, a buffer ring is sleeved outside the sliding rod and is positioned between the spring pad and the valve body. Further, the novel rubber sleeve comprises a rubber sleeve, wherein the rubber sleeve is positioned in the installation cavity, and the rubber sleeve is sleeved outside the sliding and the spring. Further, a plurality of sealing rings are arranged between the outer side wall of the valve body and the inner wall of the installation cavity and between the outer side wall of the rear plug and the inner wall of the installation cavity. The bicycle shock absorber according to the present utility model has at least the following technical effects: 1. Be provided with the spring between fixed knot constructs and the valve body, be formed with sealed chamber between valve body and the back stifled, sealed chamber can holding compressed air or inert gas, and then when the road surface is not level, the slide bar can be to being close to the valve direction or keep away from the valve direction and remove, make the valve body remove between gas and spring, gas and spring all play the absorbing effect, and because the back is stifled is provided with the intercommunicating pore and the intercommunicating pore is provided with the valve, the user can be through the valve to the sealed intracavity charge gas, or release gas from sealed intracavity, adjust the shock attenuation effect, adjust the comfort level. 2. Through being provided with first blotter between fixed knot constructs and spring pad, and then first blotter can with spring coupling, can reduce the noise that produces when bicycle bumper shock absorber stretches out and draws back for bicycle bumper shock absorber has good silence effect and shock attenuation effect. Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the uti