Screw structure and screw valve
By using a split stator assembly and a multi-layer connection structure, the high maintenance costs and bearing damage caused by easily damaged parts of the screw valve are solved, achieving stable and long-life operation of the screw valve, which is suitable for high-pressure and corrosive fluid environments.
CN224271861UActive Publication Date: 2026-05-26深圳睿嵘科技有限公司
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Patent Information
- Application Number
- CN202521107034.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-30
- Publication Date
- 2026-05-26
- Estimated Expiration
- 2035-05-30
AI Technical Summary
Technical Problem
In existing screw structures, the bearing is a vulnerable part that needs to be replaced regularly, resulting in high maintenance costs. Failure to replace it in time will damage the bearing and affect its service life.
Method used
The stator adopts a split stator assembly and a multi-layer connection structure, including a stator outer sleeve and a stator inner liner, combined with sealed bearings and a rotating plug seal, to achieve stable connection and sealing of the screw and reduce dependence on the plug.
Benefits of technology
It improves the stability and service life of screw valves, reduces maintenance costs, adapts to high-pressure and corrosive fluid conditions, and ensures zero leakage and efficient operation.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model discloses a screw rod structure and a screw rod valve, and relates to the technical field of screw rod valves, the screw rod structure comprises a stator assembly, a screw rod and a connecting assembly, the stator assembly comprises a stator outer sleeve and a stator lining, and the stator outer sleeve is sleeved on the peripheral wall of the stator lining; the screw rod is inserted into the shaft hole of the stator lining and can rotate relative to the stator lining; the connecting assembly comprises a first nut, a second nut and a connecting part, the first nut and the second nut are in threaded connection with the two axial ends of the stator outer sleeve respectively, the connecting part is arranged on the screw in a sleeving mode and arranged on the stator outer sleeve, and the two axial sides of the connecting part abut against the first nut and the stator lining respectively; according to the multi-layer sealing design of the screw structure, fluid is effectively prevented from leaking from a gap between the screw and the stator assembly, the sealing performance of the screw valve is improved, reliable operation under severe working conditions such as high pressure or corrosive fluid is ensured, the service life of equipment is prolonged, and the maintenance cost is reduced.
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