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Anti-scouring ball valve

An anti-scouring, ball valve technology, applied in the valve details, valve device, valve shell structure, etc., can solve the problems that affect the service life of the ball valve, the opening area of ​​the flow channel is small, and the seals are easily damaged, so as to prolong the service life and work reliably performance, simplify the number of drive components, and improve the effect of flexibility and simplicity

Pending Publication Date: 2021-06-15
东莞海特帕沃液压科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] However, in the existing ball valve, when the ball is just opened and closes completely, because the opening area of ​​the flow channel is small at this time, the internal high-pressure medium will cause a great impact on the seal that moves relatively with the ball. This is very easy to damage the seal, causing the valve to leak and affecting the service life of the entire ball valve

Method used

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Embodiment Construction

[0023] The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0024] combine Figure 1 to Figure 6 As shown, the anti-scouring ball valve of this embodiment includes a valve body 1 , a valve ball 2 , two discs 3 , a valve shaft 4 and a drive shaft 5 .

[0025] The valve body 1 is provided with an inlet 11 and an outlet 12 which are located on the same straight line and can communicate with each other. The valve ball 2 is located between the inlet 11 and the outlet 12 inside the valve body 1 and forms a movable and sealed connection with the valve body 1 through a seal. Meanwhile, the valve ball 2 is provided with a through hole 21 extending radially therethrough, and the through hole 21 is on the same plane as the inlet 11 and the outlet 12 . The two discs 3 are located at the two orifice positions of the through hole 21 respectively, and the two discs 3 are relatively movably...

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Abstract

The invention belongs to the technical field of pipeline valves, and discloses an anti-scouring ball valve. The anti-scouring ball valve comprises a valve body, a valve ball, a valve clack, a valve shaft and a driving shaft. An inlet and an outlet which are communicated are formed in the valve body, the valve ball is located between the inlet and the outlet, and a through hole is formed in the valve ball; the valve clack is located on the valve ball and is relatively and movably connected with the valve ball, the through hole can be subjected to blocking and opening control, and when the through hole is blocked, the outer surface of the valve ball can form a complete spherical surface; the valve shaft is connected with the valve ball so as to drive the valve ball to rotate back and forth relative to the valve body and control the communication relation between the inlet and the outlet; and the driving shaft is connected with the valve clack so as to drive the valve clack to move relative to the valve ball and control opening and closing of the through hole. According to the anti-scouring ball valve, the scouring effect of a medium on a sealing piece between the valve ball and the valve body in the opening and closing process can be completely avoided, protection on the sealing piece is improved, and the service life of the whole ball valve is prolonged.

Description

technical field [0001] The invention belongs to the technical field of pipeline valves, in particular to an anti-scouring ball valve. Background technique [0002] The ball valve usually uses a ball with a circular passage as the opening and closing element, that is, the opening and closing part of the ball valve is a ball with a through hole, which rotates around the axis perpendicular to the passage, so as to achieve the purpose of opening and closing the passage. Due to the advantages of small fluid resistance, simple structure, compact and reliable, convenient operation, rapid opening and closing, and wide application range, ball valves are widely used in various departments such as petroleum, chemical industry, power generation, papermaking, atomic energy, aviation, rockets, etc. people's daily life. [0003] However, in the existing ball valve, when the ball is just opened and closes completely, because the opening area of ​​the flow channel is small at this time, the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K5/06F16K5/08F16K27/06F16K31/60F16K35/10F16K35/02F16K47/02
CPCF16K5/0605F16K5/0647F16K5/08F16K27/067F16K31/60F16K35/10F16K35/027F16K47/023
Inventor 赵传杰陈璐
Owner 东莞海特帕沃液压科技有限公司
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