Sealing wear-resistant ball valve
By introducing a double-layer sealing structure into the ball valve and using a drive rod to control the expansion and contraction of the sealing edge, the problem of sealing ring wear of the hard-sealed ball valve when conveying fibers or tiny solid particles is solved, achieving higher sealing performance and reducing wear, thereby extending the life of the equipment.
CN120593069APending Publication Date: 2025-09-05KANGGONG VALVE GRP CO LTD
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Patent Information
- Application Number
- CN202510850421.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-24
- Publication Date
- 2025-09-05
AI Technical Summary
Technical Problem
When conveying fiber-containing or tiny solid particles, the sealing ring of the existing hard-sealed ball valve is easily worn, resulting in reduced sealing effect and possible damage.
Method used
A sealed and wear-resistant ball valve was designed with a double-layer sealing structure, including a sealing airbag and a movable plate. The expansion and contraction of the sealing edge was controlled by a driving rod to ensure that the sealing edge abutted or separated from the valve body and sealing ring in different states, thereby reducing wear.
Benefits of technology
The sealing performance of the ball valve is improved, the wear of the ball during rotation is reduced, and the service life of the equipment is extended.
✦ Generated by Eureka AI based on patent content.
Abstract
According to the key points of the technical scheme, the sealing wear-resisting ball valve comprises a valve body, a ball body and a driving rod, the valve body comprises an inner cavity, symmetrically-distributed sealing rings are fixedly connected into the inner cavity, sealing assemblies are arranged at the two ends of the ball body correspondingly, and each sealing assembly comprises a positioning plate, a sealing air bag and a moving plate; the sealing airbag is connected to one side of the positioning plate, a sealing edge is convexly arranged at the end, away from the ball body, of the sealing airbag, a sliding cavity is formed in the positioning plate in a penetrating mode, and the moving plate is slidably connected into the sliding cavity and used for adjusting the size of the inflation cavity; two groups of linkage rods are connected in the ball body in a sliding manner, one ends of the two groups of linkage rods are connected with the moving plates on the two sides respectively, linkage grooves are formed in the other ends of the two groups of linkage rods in a penetrating manner, linkage blocks are arranged in the linkage grooves, and the driving rods are matched with the linkage blocks in a linkage manner; according to the sealing wear-resisting ball valve, the sealing performance of the ball valve can be improved, and damage to the ball body can be reduced in the rotating process.
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