A pull rod oil cylinder for a power delivery device of the hydraulic industry
By using a double-nut locking mechanism and a copper guide sleeve design, the problems of loose connection and inaccurate guidance in traditional tie rod cylinders are solved, achieving stability and precise transmission in the hydraulic system and reducing maintenance costs.
CN224533137UActive Publication Date: 2026-07-21HEDRUI FLUID SYST TECH (SUZHOU) CO LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEDRUI FLUID SYST TECH (SUZHOU) CO LTD
- Filing Date
- 2025-09-25
- Publication Date
- 2026-07-21
AI Technical Summary
Technical Problem
Traditional tie rod cylinders are prone to hydraulic oil leakage and wear due to the single screw and single nut connection. The poor self-lubricating properties of the steel guide sleeve lead to inaccurate guidance and increased maintenance costs.
Method used
It adopts a double nut locking structure and a copper guide sleeve, combined with a modular assembly method, and is designed with guidance protection to enhance sealing and guidance accuracy.
Benefits of technology
It effectively prevents hydraulic oil leakage, improves power transmission accuracy and service life, and reduces maintenance costs.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224533137U_ABST
Abstract
The utility model belongs to hydraulic executing element technical field, concretely is a pull rod oil cylinder for power delivery device of hydraulic industry, including cylinder body, the front end cover and rear end cover are arranged respectively in the cylinder body front and back side, the screw rod is arranged in the front end cover and rear end cover inner wall through, the front and back end of screw rod is connected with the nut a, the screw rod front and back side fixedly connected with the threaded rod, the threaded rod outside is connected with the nut b extruded in the nut a outside, the front end cover and rear end cover outside fixedly connected with the positioning assembly. The utility model guide the sleeve of guide assembly adopts copper material, has good wear resistance and self -lubricating, can accurate guide piston rod's reciprocating motion, reduces friction loss, promotes the operation accuracy and life of oil cylinder, the sleeve is connected with the front end cover through outside thread groove and is positioned in combination sleeve's clamping groove, and installation and disassembly are convenient, and it is convenient for replacement oil seal, sealing washer and other wearing parts, reduces maintenance cost.
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