Forced-sealing ball valve and valve ball height adjusting mechanism thereof

A technology of height adjustment mechanism and forced sealing, which is applied in the direction of valve devices, mechanical equipment, engine components, etc., can solve problems such as laborious and laborious, and affect production efficiency, and achieve simple and convenient operation, improve adjustment efficiency, and simple and easy verification operation Effect

Pending Publication Date: 2017-11-24
ZIBO VOTAISI PETROCHEM EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the above method is laborious and requires repeated disassembly and assembly of the valve once to several times, which greatly affects the production efficiency

Method used

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  • Forced-sealing ball valve and valve ball height adjusting mechanism thereof
  • Forced-sealing ball valve and valve ball height adjusting mechanism thereof
  • Forced-sealing ball valve and valve ball height adjusting mechanism thereof

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Embodiment Construction

[0028] The invention provides a forced sealing ball valve and its valve ball height adjustment mechanism, which can adjust the height of the valve ball through the height adjustment part when the cumulative tolerance of each part has been fixed, the operation is simple and convenient, and the assembly and debugging work is greatly improved. efficiency.

[0029] The present invention will be described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can accurately understand the technical solution of the present invention.

[0030] The up and down mentioned in this article refer to the use state of the forced sealing ball valve. When the forced sealing ball valve is in use, the direction vertically pointing to the ground is down, and the direction vertically away from the ground is up.

[0031] Such as Figure 1-Figure 7 As shown, the present invention provides a forced sealing ball valve, which includes a valve body 1 for fixing ...

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Abstract

The invention provides a forced-sealing ball valve and a valve ball height adjusting mechanism thereof. The forced-sealing ball valve comprises a valve body and a valve ball, wherein the valve body is provided with a valve seat, and the valve ball is in sealing fit with valve seat. The valve ball height adjusting mechanism comprises a height adjusting part which can be fixed relative to the valve body in a vertical direction. The lower portion of the valve ball is provided with an adjusting hole extending from bottom to top. The adjusting hole is matched with height adjusting part and communicated with the channel of the valve ball so as to allow a tool to act on the height adjusting part through the channel to allow the height adjusting part to move along the adjusting hole to change the height of the valve ball. The forced-sealing ball valve and the valve ball height adjusting mechanism thereof have the advantages that the height of the valve ball can be adjusted under the condition that the accumulated tolerance of each part is fixed, operation simpleness and convenience are achieved, and assembling and debugging efficiency is increased greatly; after assembling, the tool acts on the adjusting part to compensate machining and assembling tolerance, the valve does not need to be mounted and demounted repeatedly, adjusting efficiency is increased greatly, and the valve ball height adjusting mechanism is easy to implement.

Description

technical field [0001] The invention relates to the technical field of valves, in particular to a forced sealing ball valve and a valve ball height adjusting mechanism thereof. Background technique [0002] In the field of fluid control, such as oil and gas production process switching, pipeline shut-off, metering, pressure regulation, molecular sieve switching and other fields with frequent operations and strict requirements on fluid switch control and closing tightness, it is required that the valve can be as small as possible in the straight-through state. It produces a pressure drop and can provide a positive torque seal that is not affected by the pressure of the pipeline medium. Positive sealing ball valves are recognized as the ideal solution. [0003] In order to achieve reliable sealing, the forced sealing ball valve has high requirements on the consistency of the horizontal position of the valve ball and the valve seat. However, in production practice, it is inev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K5/20F16K5/06F16K5/08
CPCF16K5/0605F16K5/20
Inventor 刘晓琦
Owner ZIBO VOTAISI PETROCHEM EQUIP CO LTD
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