Wear-resistant ball valve
By designing a combination of a valve seat and a sealing chamber that is close to the ball in the ball valve, using gas to enhance pressure, the driving block drive valve seat pressing against the ball, solving the problems of poor sealing and wear of the existing ball valves, achieving higher sealing and wear resistance.
CN222668987UActive Publication Date: 2025-03-25ZHEJIANG WELFARE VALVE IND CO LTD
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Patent Information
- Application Number
- CN202421504031.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-06-28
AI Technical Summary
Technical Problem
After the valve seat is worn, the existing ball valve will affect the sealing of the valve ball, resulting in poor sealing and aggravated wear.
Method used
A wear-resistant ball valve is designed to form a sealing chamber and a driving chamber by setting a valve seat close to the ball in the runner, and using a combination of a sealing card block, a sealing base and a driving block to form a sealing chamber. The pressure is enhanced by gas, and the driving block drive valve seat is pressed against the ball to ensure sealing.
Benefits of technology
It effectively improves the sealing and wear resistance of the ball valve, reduces wear of the valve seat, and ensures effective cutting and sealing of the runner.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model discloses a wear-resisting ball valve which comprises a valve body, a flow channel is formed in the valve body, a ball body for controlling the flow channel to be opened and closed is arranged in the flow channel, a valve rod connected with the ball body is further arranged on the valve body, and an actuator which is located outside and controls the ball body is arranged on the valve rod. The ball valve is characterized in that a valve seat tightly attached to the ball body is arranged in the flow channel, a sealing piece for driving the valve seat to be tightly attached to the ball body is arranged in the valve body, the sealing piece comprises a sealing clamping block, a sealing base and a driving block, the ball body rotates on the sealing base, the sealing clamping block is fixed to the ball body, a sealing cavity is formed in the sealing base, and the driving block is arranged in the sealing cavity. A driving cavity is further formed in the valve body, the driving block slides in the driving cavity and is connected with the valve seat, an elastic piece is arranged on the sealing base, and when the ball body cuts off the flow channel, the sealing clamping block is matched with the elastic piece to extrude the sealing cavity and drive the driving block to slide. The valve has the advantages of being high in sealing performance and resistant to abrasion.
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