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A cutting ball valve

A technology for cutting off ball valves and valve bodies. It is applied to the cocks, valve details, valve devices and other directions including the cutting device. It can solve the problems of hidden leakage, easy production accidents, slowness, etc., and achieves good sealing performance, fewer parts, and valves. reliable results

Inactive Publication Date: 2017-12-26
CHENGDU DESHANNENG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the power mechanism of the existing shut-off ball valve is usually manual, and when the volume of the shut-off ball valve is large, it is usually laborious and slow to operate, so that it cannot be cut off quickly during emergency shut-off; and the existing shut-off ball valve The sealing performance is not good, there is a problem of hidden leakage, which is easy to cause production accidents

Method used

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  • A cutting ball valve
  • A cutting ball valve

Examples

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Comparison scheme
Effect test

Embodiment 1

[0029] Such as figure 1 and figure 2 The cut-off ball valve shown includes: valve body 1, valve seat 2, inner ring 2.1, outer ring 2.2, valve stem 3, bracket 4, actuator 5 and valve core 6, and the valve body 1 is a side-mounted valve body , the valve body 1 is installed with a valve seat 2 and a valve core 6, the valve seat 2 is installed between the valve body 1 and the valve core 6, the bottom of the valve stem 3 passes through the top of the valve body 1 and is installed on the top of the valve core 6, A bracket 4 is fixedly installed on the top of the valve body 1, and an actuator 5 is installed on the top of the bracket 4. The actuator 5 is fixedly connected with the valve stem 3, and the actuator 5 is a pneumatic actuator.

[0030] The valve seat 2 includes an outer ring 2.1 and an inner ring 2.2, the inner ring 2.2 is tapered, the inner ring 2.2 is fixedly installed in the outer ring 2.1, and the angle between the inner ring 2.2 and the outer ring 2.1 is 20°~ 45°, u...

Embodiment 2

[0032] Such as figure 1 and figure 2 The cut-off ball valve shown includes: valve body 1, valve seat 2, inner ring 2.1, outer ring 2.2, valve stem 3, bracket 4, actuator 5 and valve core 6, and the valve body 1 is a side-mounted valve body , the valve body 1 is installed with a valve seat 2 and a valve core 6, the valve seat 2 is installed between the valve body 1 and the valve core 6, the bottom of the valve stem 3 passes through the top of the valve body 1 and is installed on the top of the valve core 6, A bracket 4 is fixedly installed on the top of the valve body 1, and an actuator 5 is installed on the top of the bracket 4. The actuator 5 is fixedly connected with the valve stem 3, and the actuator 5 is a pneumatic actuator.

[0033] The valve seat 2 includes an outer ring 2.1 and an inner ring 2.2, the inner ring 2.2 is tapered, the inner ring 2.2 is fixedly installed in the outer ring 2.1, and the angle between the inner ring 2.2 and the outer ring 2.1 is 20°~ 45°, u...

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Abstract

The invention discloses a cut-off ball valve, comprising: a valve body, a valve seat, a valve stem and a valve core, the valve body is a side-mounted valve body, a valve seat and a valve core are installed in the valve body, and the valve seat is installed in the valve body Between the valve core and the valve seat, the cross-sectional shape of the valve seat is "<", the bottom of the valve stem passes through the top of the valve body and is installed on the top of the valve core, the top of the valve body is fixedly installed with a bracket, and the top of the bracket is installed with an actuator. The actuator is fixedly connected with the valve stem, and the actuator is a pneumatic actuator. The technical purpose of the present invention is to provide a shut-off ball valve with fast opening and more reliable sealing. This shut-off ball valve can quickly cut off the medium in the pipeline, thereby ensuring the safety of production, and has floating sealing performance.

Description

technical field [0001] The invention relates to the field of valves, in particular to a cut-off ball valve. Background technique [0002] The ball valve is mainly used to cut off, distribute and change the flow direction of the medium in the pipeline. It only needs to rotate 90 degrees and a small rotational torque to close tightly, and the cut-off ball valve is a kind of cut-off valve. [0003] However, the power mechanism of the existing cut-off ball valve is usually manual, and when the volume of the cut-off ball valve is large, it is usually laborious and slow to operate, so that it cannot be cut off quickly during emergency cut-off; and the existing cut-off ball valve The sealing performance is not good, and there is a problem of hidden leakage, which is easy to cause production accidents. Contents of the invention [0004] In view of the deficiencies of the above-mentioned ball valve, the technical purpose of the present invention is to provide a shut-off ball valve...

Claims

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Application Information

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IPC IPC(8): F16K5/06F16K5/08F16K31/12
CPCF16K5/0647F16K5/0663F16K31/12
Inventor 王欢
Owner CHENGDU DESHANNENG TECH CO LTD