Hydraulic cylinder with buffer structure
By designing buffering, rotation and lane-changing mechanisms in the hydraulic cylinder, the problem of excessive speed at the end of the piston stroke is solved, smooth movement of the piston is achieved, vibration and noise of the hydraulic system are reduced, and the service life of the equipment is extended.
CN223306070UActive Publication Date: 2025-09-05WUXI HANWEI HYDRAULIC PNEUMATIC CO LTD
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Patent Information
- Application Number
- CN202422748660.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-11-12
AI Technical Summary
Technical Problem
Under high-speed or high-load working conditions of the hydraulic cylinder, the piston stroke end speed is too fast, causing impact, increasing the vibration and noise of the hydraulic system, and damaging internal components. In addition, the existing buffer structure is simple and one-way.
Method used
The buffering, rotation and lane-changing mechanisms are designed to control the piston speed smoothly through progressive buffering, narrowing of the oil discharge pipe and reduction of the return spring.
Benefits of technology
Achieve smooth movement of the piston, reduce vibration and noise of the hydraulic system, extend equipment life, and improve the stability of the hydraulic cylinder.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model discloses a hydraulic cylinder with a buffer structure, which relates to the technical field of hydraulic cylinders and comprises a cylinder body, a piston is movably connected inside the cylinder body, one end of the piston is fixedly connected with a piston rod, the other end of the piston rod extends to the outer side of the hydraulic cylinder, the tail end of the cylinder body is fixedly connected with a first liquid pipe, and the first liquid pipe is fixedly connected with a second liquid pipe. A second liquid pipe is fixedly connected to the front end of the cylinder body, a buffering mechanism is arranged in the tail end of the cylinder body, a rotating mechanism is arranged in the piston, and a track changing mechanism is arranged in the front end of the cylinder body. By arranging the rotating mechanism, oil enters the inner side of the piston, at the moment, the outer side of the piston shields the first liquid pipe, the connecting hole in the outer side of the piston is communicated with the first liquid pipe, at the moment, oil enters the first liquid pipe through the connecting hole, the moving speed of the piston can be further reduced by means of the mode that an oil pipeline is shrunk, and the service life of the piston is prolonged. The piston stability is kept.
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