Floating band pressure bidirectional lock
The design of the cartridge valve core assembly solves the problems of complex floating pressurized bidirectional lock structure and inconvenient maintenance, enabling convenient installation and efficient maintenance, and improving system integration and service life.
CN114961810BActive Publication Date: 2026-06-09JULONG GROUP WUHU XINGLONG HYDRAULIC
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- JULONG GROUP WUHU XINGLONG HYDRAULIC
- Filing Date
- 2022-06-30
- Publication Date
- 2026-06-09
AI Technical Summary
Technical Problem
Existing floating pressurized bidirectional locks have complex structures, many types of parts, and are inconvenient to disassemble, assemble, and maintain, making them difficult to meet the space constraints and automation requirements of underground coal mines.
Method used
It adopts a cartridge-type valve core assembly, including first and second one-way valve core assemblies, and uses the cooperation of springs and push rods to achieve a sealed connection and convenient installation. Maintenance is carried out by replacing the cartridge-type valve core assembly.
Benefits of technology
It improves system integration, facilitates installation and maintenance, simplifies the maintenance process, and extends service life.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN114961810B_ABST
Abstract
The application discloses a floating and pressure-keeping bidirectional lock, which comprises a valve body, a first one-way valve core assembly and a second one-way valve core assembly arranged in the valve body, wherein the second one-way valve core assembly comprises a screw sleeve, a second movable valve core, a second movable top rod arranged on the screw sleeve and used for pushing the second valve core, a second liquid inlet valve sleeve, a second valve seat arranged in the second liquid inlet valve sleeve and matched with the second valve core to realize sealing, a spring sleeve arranged on the second top rod, and a reset spring arranged between the spring sleeve and the second valve seat, the second top rod passes through the second valve seat, the second liquid inlet valve sleeve is provided with a first liquid inlet hole, the second valve seat is provided with a liquid outlet hole and a second liquid inlet hole communicated with the liquid outlet hole, the second liquid inlet hole is communicated with the first liquid inlet hole, and the first liquid inlet hole is communicated with a main liquid inlet hole arranged on the valve body.
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