一种整体螺旋式防旋转液压活塞
By integrating the guiding and driving functions of the integral helical anti-rotation hydraulic piston, the problems of non-compact structure and low strength of existing hydraulic pistons are solved, achieving efficient assembly and stable linear motion.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FOSHAN JINGYING INTELLIGENT EQUIP CO LTD
- Filing Date
- 2025-06-03
- Publication Date
- 2026-07-17
AI Technical Summary
Existing hydraulic pistons have a simple structure, but require additional screw drive and guide components, resulting in a non-compact structure, low strength, and low assembly efficiency.
Design an integral helical anti-rotation hydraulic piston, integrating guiding and driving functions into a single piston rod. The guide section slides with the limiting component, and the driving section is threadedly connected to the driving mechanism to achieve linear reciprocating motion of the piston rod.
The structure strength and assembly efficiency of the piston rod were improved, preventing parts from loosening and achieving a compact electro-hydraulic actuator structure.
Smart Images
Figure CN224515524U_ABST
Abstract
Claims
1. A unitary helical anti-rotation hydraulic piston, characterized by, include: The piston rod body has a guide section, a piston section and a drive section. The guide section has a guide part for slidingly engaging with an external limiting member along the axial direction to limit the rotation of the piston rod body. The drive section has a drive part for drivingly connecting with an external drive mechanism to drive the piston rod body to perform linear reciprocating motion along the axial direction. The driving part is an external thread provided on the outer peripheral wall of the driving section; The guide section, the piston section, and the drive section are integrally formed. The piston section is used to seal the hydraulic cylinder that is slidably mounted on the outside.
2. The integral spiral anti-rotation hydraulic piston according to claim 1, characterized in that: The guide portion is located on the outer peripheral wall of the guide section and extends along the axial direction of the piston rod.
3. The integral spiral anti-rotation hydraulic piston according to claim 2, characterized in that: The guide portion is at least one limiting guide plane provided on the outer peripheral wall of the guide segment.
4. The integral spiral anti-rotation hydraulic piston according to claim 2, characterized in that: The guide portion is at least one limiting guide groove provided on the outer peripheral wall of the guide section.
5. The integral spiral anti-rotation hydraulic piston according to claim 1, characterized in that: The outer periphery of the piston section is provided with at least one first annular groove for installing a guide sleeve; The outer periphery of the piston section is provided with at least one second annular groove for installing a sealing ring.
6. The integral helical anti-rotation hydraulic piston according to any one of claims 1 to 5, characterized in that: The piston section is located between the two ends of the piston rod and is positioned between the guide section and the drive section.
7. The integral helical anti-rotation hydraulic piston according to any one of claims 1 to 5, characterized in that: The piston section is located at one end of the piston rod.