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CN-224229144-U - Leaf spring shock-absorbing structure

CN224229144UCN 224229144 UCN224229144 UCN 224229144UCN-224229144-U

Abstract

The utility model provides a leaf spring damping structure, which comprises a leaf spring body and an auxiliary damping component arranged above the leaf spring body, wherein the auxiliary damping component comprises a group of piston cylinders arranged on the leaf spring body, piston rods connected to each piston cylinder in a sliding manner, piston plates arranged inside each piston cylinder and connected with the piston rods, and a pressure release structure arranged on each piston cylinder. Through the supplementary damper that sets up, when the frame encountered less vibrations, can directly cushion and absorb vibrations, when encountering great vibrations, can transmit remaining vibrations to the leaf spring body on, carry out the shock attenuation to the frame through the elasticity restoring force of leaf spring body, it can further reduce the leaf spring body and bear the number of times of vibrations continuously to effectively reduce the inside fatigue damage of leaf spring body, just can promote leaf spring body life.

Inventors

  • ZHANG XIANG

Assignees

  • 江苏轻乙骑机车科技有限公司

Dates

Publication Date
20260512
Application Date
20250613

Claims (10)

  1. 1. The utility model provides a leaf spring shock-absorbing structure, includes leaf spring body (1), its characterized in that still includes: The auxiliary damping component (2) is arranged above the plate spring body (1) and comprises a group of piston cylinders (201) arranged on the plate spring body (1), piston rods (202) connected to each piston cylinder (201) in a sliding mode, piston plates (203) arranged inside each piston cylinder (201) and connected with the piston rods (202) and pressure relief structures arranged on each piston cylinder (201).
  2. 2. The plate spring shock absorbing structure according to claim 1, wherein the plate spring body (1) is composed of a plurality of plate springs, and the plurality of plate springs are stacked in sequence and fastened with bolts in a staggered manner by rivets.
  3. 3. The plate spring shock absorbing structure as set forth in claim 1, wherein an inner bottom wall of each piston cylinder (201) is fixedly connected with a return spring (204), and the other end of each return spring (204) is connected with the bottom surface of the piston plate (203).
  4. 4. The plate spring shock absorbing structure according to claim 1, wherein a group of supporting blocks (205) are rotatably connected to the outer surface of each piston cylinder (201), and the bottom end of each supporting block (205) is connected to the upper surface of the plate spring body (1).
  5. 5. The plate spring shock absorbing structure according to claim 1, wherein a group of connecting shafts (206) are fixedly connected to the outer surface of each piston rod (202), vertical plates (207) are rotatably connected to the ends, away from each other, of each group of connecting shafts (206), and fixing seats (208) are fixedly connected to the top ends of each group of vertical plates (207).
  6. 6. The plate spring shock absorbing structure according to claim 1, wherein the pressure release structure of the auxiliary shock absorbing assembly (2) comprises exhaust pipes (209) communicated with each piston cylinder (201), sealing plates (210) are hinged to the inner walls of the exhaust pipes (209), one side face of each sealing plate (210) is fixedly connected with a supporting spring (211), and the other end of each supporting spring (211) is connected with the inner wall of each exhaust pipe (209).
  7. 7. The plate spring shock absorbing structure as set forth in claim 6, wherein a limiting block (212) is fixedly connected to an inner wall of each exhaust pipe (209), and one side surface of each limiting block (212) is in contact with the other side surface of the sealing plate (210).
  8. 8. The plate spring damper structure according to claim 6, wherein a filter cover (213) is provided at the other end of each of the exhaust pipes (209), and the filter cover (213) is detachable from the exhaust pipe (209).
  9. 9. The plate spring shock absorbing structure according to claim 1, wherein a blocking block (214) is fixedly connected to the outer surface of each piston cylinder (201).
  10. 10. The plate spring shock absorbing structure as set forth in claim 1, wherein the inner wall of the piston cylinder (201) is provided with a self-lubricating coating, and the self-lubricating coating is a polytetrafluoroethylene coating.

Description

Leaf spring shock-absorbing structure Technical Field The utility model relates to the technical field of electric tricycles, in particular to a leaf spring damping structure. Background The electric tricycle has the characteristics of strong flexibility and outstanding cargo carrying capacity, and becomes an indispensable transportation tool in logistics transportation, short-distance cargo distribution and agricultural production activities, the running stability of the vehicle under complex road conditions, the safety and reliability of cargo transportation and riding comfort experience of drivers are directly determined by the performance advantages and disadvantages of the damping system, and the plate spring is used as an important damping part of the tricycle and is arranged between the rear axle and the frame of the electric tricycle, so that the load carrying and damping functions can be better realized. At present, the electric tricycle only depends on the elastic deformation of the plate spring to realize the absorption and buffering of vibration energy, in the running process of the electric tricycle, the vibration of the frame can act on the plate spring, the plate spring continuously bears random vibration load from the road surface and constant stress caused by the dead weight of the vehicle, and after a long time, the fatigue damage in the plate spring material can gradually generate micro cracks, so that the service life of the plate spring material can be seriously shortened, and therefore, the plate spring damping structure is provided. Disclosure of utility model The utility model provides a leaf spring damping structure, which does not need a leaf spring to buffer and absorb when a smaller vibration force occurs when a vehicle frame runs, further reduces the times that the leaf spring continuously bears vibration, and can transmit the vibration force to the leaf spring when the vibration force is larger, so as to ensure the damping effect, thereby effectively reducing the fatigue damage in the leaf spring and prolonging the service life of the leaf spring. The utility model discloses a plate spring damping structure, which is realized by the following specific technical means that the plate spring damping structure comprises a plate spring body and further comprises: The auxiliary damping component is arranged above the plate spring body and comprises a group of piston cylinders arranged on the plate spring body, piston rods connected to each piston cylinder in a sliding manner, piston plates arranged inside each piston cylinder and connected with the piston rods, and pressure relief structures arranged on each piston cylinder. Preferably, the plate spring body is composed of a plurality of plate springs, and the plate springs are sequentially stacked and fastened and connected with the bolts in a staggered manner through rivets. Preferably, the inner bottom wall of each piston cylinder is fixedly connected with a return spring, and the other end of each return spring is connected with the bottom surface of the piston plate. Preferably, the outer surface of each piston cylinder is rotationally connected with a group of support blocks, and the bottom end of each support block is connected with the upper surface of the plate spring body. Preferably, the outer surface of each piston rod is fixedly connected with a group of connecting shafts, one end, away from each other, of each group of connecting shafts is rotationally connected with a vertical plate, and the top ends of the vertical plates are fixedly connected with fixing seats together. Preferably, the pressure release structure of the auxiliary damping component comprises exhaust pipes communicated with each piston cylinder, each exhaust pipe is hinged with a sealing plate on the inner wall, a supporting spring is fixedly connected to one side face of each sealing plate, and the other end of each supporting spring is connected with the inner wall of each exhaust pipe. Preferably, the inner wall of each exhaust pipe is fixedly connected with a limiting block, and one side surface of each limiting block is contacted with the other side surface of the sealing plate. Preferably, a filter cover is arranged at the other end of each exhaust pipe, and the filter cover is detachable from the exhaust pipe. Preferably, a blocking piece is fixedly connected to the outer surface of each piston cylinder. Preferably, the inner wall of the piston cylinder is provided with a self-lubricating coating, and the self-lubricating coating is a polytetrafluoroethylene coating. The beneficial effects are that: 1. Through the supplementary damper that sets up, when the frame encountered less vibrations, can directly cushion and absorb vibrations, when encountering great vibrations, can transmit remaining vibrations to the leaf spring body on, carry out the shock attenuation to the frame through the elasticity restoring force of leaf spring body, it can furth