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A high sealing wear-resistant ball valve

A wear-resistant ball and high-sealing technology, which is applied to valve details, valve devices, and valve housing structures, can solve problems such as easy misalignment and poor sealing, and achieve the effect of avoiding misalignment

Active Publication Date: 2021-06-15
ZHEJIANG JUQUAN COPPER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are still certain problems in the above-mentioned ball valve, such as sealing performance. Since the sealing plug is directly connected by a spring, the high-pressure liquid drives the sealing plug to move outward, and the spring retracts inward. Misalignment, which leads to poor sealing

Method used

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  • A high sealing wear-resistant ball valve
  • A high sealing wear-resistant ball valve
  • A high sealing wear-resistant ball valve

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Embodiment Construction

[0032] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings:

[0033] A high sealing wear-resistant ball valve, such as figure 1 and figure 2 As shown, it includes a ball valve body, the ball valve body includes a valve body 1 with a water inlet port 11 and a water outlet port 12, a valve ball 2 arranged in the valve body 1, and a valve arranged on the valve ball 2 to drive the valve ball 2 to rotate The valve stem 3 and the electric actuator system 4, the valve ball 2 has a first communication hole 21 that connects the water inlet port 11 and the water outlet port 12, and the valve body 1 is connected by changing the position of the first communication hole 21 by turning the valve ball 2 conduction or isolation;

[0034] Wherein, there are two limiting flang...

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Abstract

The invention belongs to the technical field of ball valves, and in particular relates to a ball valve with high sealing and wear resistance. The ball valve not only has the performance of high sealing and wear resistance, but also can regulate flow. A high-sealing wear-resistant ball valve, including a ball valve body, the ball valve body includes a valve body, a valve ball, a valve stem and an electric actuator system, the valve ball has a first communication hole connecting its water inlet port and water outlet port, and the rotary valve By changing the position of the first communication hole, the valve body is connected or cut off; the inner wall of the valve is provided with a ring-shaped valve seat, and the valve ball has a second communication hole perpendicular to the first communication hole. The inner diameter of the hole is larger than the inner diameter of the valve seat, and the two ports of the second communication hole respectively have sealing parts provided with sliding seals; The holes are opposite to the two valve seats; and the second driving part is used to drive the two sealing parts to approach or move away from the two valve seats, so as to isolate or conduct the valve body.

Description

technical field [0001] The invention belongs to the technical field of ball valves, in particular to a high-sealing wear-resistant ball valve. Background technique [0002] The electric ball valve is composed of an electric actuator and a ball valve. It is a kind of pipeline pressure element for industrial automation process control, usually used for remote opening and closing (connecting and cutting off medium) control of pipeline medium. [0003] The Chinese patent application with the publication number CN104235416A discloses a ball valve in which the valve core and the sealing valve seat are tightly fitted together to form a seal, so that the liquid on both sides of the ball valve will not communicate with each other when the valve is closed. When the valve is manufactured, a large pre-tightening force is set between the valve core and the sealing seat. [0004] Because the pre-tightening force set between the valve core and the sealing valve seat is relatively large, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K5/06F16K5/08F16K5/12F16K5/20F16K27/06F16K31/04F16K31/122F16K37/00
CPCF16K5/0605F16K5/0647F16K5/0663F16K5/0684F16K5/08F16K5/12F16K5/204F16K27/067F16K31/042F16K31/043F16K31/1223F16K31/1225F16K37/0091
Inventor 张彬华
Owner ZHEJIANG JUQUAN COPPER CO LTD
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