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Manual reversing valve for ship

A manual reversing valve, marine technology, applied in valve details, multi-port valves, valve devices, etc., can solve the problems of weak anti-rust ability handle impact resistance, steering mechanism corrosion and stuck, etc., to achieve easy batch production operation and Production and processing, low rotational friction, good sealing effect

Inactive Publication Date: 2012-07-11
SHANGHAI LIXIN HYDRAULIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In cargo ships or mines, there are a lot of salt spray, corrosive gas and dust, which may easily cause the steering mechanism to be corroded and stuck. Because the structural characteristics of conventional manual valves cannot meet the harsh working conditions, the anti-rust ability and the impact resistance of the handle are weak. , so it is necessary to improve its design on the basis of conventional valves, so that it can be more widely used in working environments such as ships and coal mines

Method used

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Embodiment Construction

[0014] 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 illustrations.

[0015] see figure 1 , figure 2 , a manual reversing valve. The oil passages are switched on and off mainly through the rotation of the handle 22, so as to realize the required functions. The effective gap between the valve body 17 and the spool 16 ensures the reliability of the movement of the spool 16 . A retaining ring 18 and a spring 19 are arranged at both ends of the valve core 16, the end face screw cap 10 is threadedly connected with the valve body 17 and sealed by a seal ring 21, and the pin shafts 5, 14 pass through the through hole of the end face screw plug 10 and the push Rod 3 is connected, and the short pin shaft 14 one end of right end is connected with spool 16 and the other end is vacantly sleeved in the end face screw cap 1...

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Abstract

The invention discloses a manual reversing valve. A valve core is driven to move by rotation of a handle, so that connection and disconnection of oil ports are determined, and the required functions are obtained; and the oil sealing reliability of the valve core in the moving process is ensured by an effective sealing form. Leakage of oil and intrusion of dust and moisture are effectively prevented by a sealing ring at each position. A valve body, a front cover and a rear cover of the valve are obtained by casting, so that the machining time is greatly reduced. Parts such as a copper bush, a hinge shaft, a pin, a push rod, a locking screw and the like for forming a manual mechanism are placed in the front cover. The valve core, a retainer ring, a spring, a gasket, a sealing element, an end face screw cover and the like are arranged in the valve body. The rear cover plays a role in water proofing and dust resistance.

Description

technical field [0001] The invention relates to the technical field of hydraulic system equipment, in particular to a marine manual reversing valve. Background technique [0002] In cargo ships or mines, there are a lot of salt spray, corrosive gas and dust, which may easily cause the steering mechanism to be corroded and stuck. Because the structural characteristics of conventional manual valves cannot meet the harsh working conditions, the anti-rust ability and the impact resistance of the handle are weak. , so it is necessary to improve its design on the basis of conventional valves, so that it can be more widely used in working environments such as ships and coal mines. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the problems existing in the prior art and provide a manual reversing valve applied on ships. It mainly controls the movement of the spool by pulling the handle, so as to obtain the required fu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K11/065F16K31/60F16K27/12
Inventor 袁才富朱剑根张妮谷文平瞿东沈至伟
Owner SHANGHAI LIXIN HYDRAULIC
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