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Marine mechanical valve with high sealing performance

A marine machinery and sealing technology, applied in mechanical equipment, lift valves, valve details, etc., can solve problems such as poor sealing effect and easy leakage of valves, and achieve strong sealing, improve leak-proof effect, and improve the effect of sealing effect.

Inactive Publication Date: 2019-04-23
TIANJIN QICHANG VALVE MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] When the existing marine mechanical valves are used, they usually only have the function of single-layer sealing, the sealing effect is poor, and the valve is easy to leak. Therefore, a marine mechanical valve with strong sealing performance is needed to solve the above problems

Method used

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  • Marine mechanical valve with high sealing performance
  • Marine mechanical valve with high sealing performance
  • Marine mechanical valve with high sealing performance

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Embodiment Construction

[0017] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0018] see Figure 1-Figure 3 , the present invention provides a technical solution: a marine mechanical valve with strong sealing performance, including a valve stem 1, a valve cover 2 and a valve cavity 3, the upper end of the valve cavity 3 is fixedly connected with the valve cover 2 through bolts, and the annular side of the valve stem 1 It is detachably connected with the bonnet 2 through threads, the lower end of the valve stem 1 is fixed with a valve plate 5, the valve plate 5 is located inside the valve cavity 3, the lower end of the valve plate 5 is connected with a sealing mechanism 4, and the sealing mechanism 4 is fixed under the valve cavity 3 On the end face, a spring 8 is set on the valve stem 1 , and the spring 8 is located between...

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Abstract

The invention provides a marine mechanical valve with high sealing performance. The marine mechanical valve comprises a sealing plate, ejector rods, L-shaped gas guiding pipelines, a sleeve, a pistonplate and a connecting rod, wherein the connecting rod is fixed to the lower end of a valve plate; the lower end of the connecting rod extends from the lower end of a valve cavity to be rotatably connected with the upper end of the piston plate through bearings; the piston plate is located inside the sleeve; the sleeve is fixed to the lower end surface of the valve cavity; the L-shaped gas guidingpipelines are fixedly connected to the lower left side and the lower right side of the sleeve; the upper ends of the L-shaped gas guiding pipelines are slidably connected with the ejector rods; the ejector rods are fixed to the lower end surface of the sealing plate; the connecting rod is sleeved with the sealing plate; the sealing plate is located directly under the valve plate; and both the sealing plate and the ejector rods are arranged inside the valve cavity. In this way, the purpose of re-blocking is achieved, so that the sealing effect is improved, the function of secondary leakage prevention is achieved, and the leakage prevention effect is improved.

Description

technical field [0001] The invention is a marine mechanical valve with strong sealing performance, which belongs to the field of marine valves. Background technique [0002] When the existing marine mechanical valves are used, they usually only have a single-layer sealing function, the sealing effect is poor, and the valve is easy to leak. Therefore, a marine mechanical valve with strong sealing performance is needed to solve the above problems. Contents of the invention [0003] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a marine mechanical valve with strong sealing performance to solve the problems raised in the above-mentioned background technology. High, good leak-proof effect. [0004] In order to achieve the above object, the present invention is achieved through the following technical solutions: a marine mechanical valve with strong sealing performance, including a valve stem, a valve cover and a valve cavity, ...

Claims

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Application Information

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IPC IPC(8): F16K1/00F16K1/36F16K1/46F16K1/48F16K27/02F16K31/60
CPCF16K1/00F16K1/36F16K1/46F16K1/48F16K27/02F16K31/60
Inventor 赵树起范亚荣
Owner TIANJIN QICHANG VALVE MFG
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