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Plug cock with hollow-out structure

A hollow structure and cavity technology, which is applied to cocks including cutting devices, engine components, mechanical equipment, etc., can solve the problems of increased casting and processing costs, heavy cocks, and increased valve opening torque, saving casting and production. Machining cost, reduction of opening and closing torque, effect of reducing torque

Inactive Publication Date: 2017-04-19
HANGZHOU ANQILA TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. The weight of the cock remains high, and the cost of casting and processing increases greatly;
[0005] 2. The weight of the cock itself is heavy. When the valve is opened, the opening torque of the valve will be increased, which directly affects the quality of the valve.

Method used

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  • Plug cock with hollow-out structure
  • Plug cock with hollow-out structure
  • Plug cock with hollow-out structure

Examples

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Embodiment Construction

[0016] The present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are explanations of the present invention and the present invention is not limited to the following examples.

[0017] see Figure 1 ~ Figure 3 , this embodiment includes a plug body 1 .

[0018] A middle cavity 2 is opened in the middle of the plug body 1 . The top and bottom of the middle cavity 2 are arc-shaped, and its width gradually decreases from top to bottom.

[0019] A side cavity 3 is opened on the side of the plug body 1 , and the side cavity 3 is located on the left and right sides of the middle cavity 2 . There are two side cavities 3 on the left side of the middle cavity 2, arranged up and down. There are two side cavities 3 on the right side of the middle cavity 2, arranged up and down.

[0020] The outer side of the side cavity 3 is arcuate, and the inner side is planar.

[0021] A middle hole 4 is opene...

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PUM

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Abstract

The invention provides a plug cock with a hollow-out structure, and the plug cock with the hollow-out structure reduces weight of the plug cock, saves casting and producing-processing cost and relieves torque of the plug cock. The plug cock comprises a cock body, wherein a hollow cavity is arranged in the middle of the cock body; a side cavity is arranged on the side part of the cock body; a middle hole is formed in the side wall of the cock body; the middle hole communicates with the side cavity; and the middle hole is sealed by a filling part.

Description

technical field [0001] The invention relates to a cock with a hollow structure, which is suitable for a cock, especially a large caliber cock with a caliber of DN300 or more. Background technique [0002] A plug valve is a closing member or a plunger-shaped rotary valve. By rotating 90 degrees, the channel port on the valve plug communicates with or separates from the channel port on the valve body to realize opening or closing. For example, the application number is 201310123433.1 China Patent. [0003] At present, the cocks used in cock valves are all made of solid casting structure. This structure mainly has the following two defects: [0004] 1. The weight of the cock remains high, and the cost of casting and processing increases greatly; [0005] 2. The weight of the cock itself is heavy, and the opening torque of the valve will be increased during the opening process of the valve, which directly affects the quality of the valve. Contents of the invention [0006] ...

Claims

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Application Information

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IPC IPC(8): F16K5/02
CPCF16K5/0207
Inventor 程兴炎
Owner HANGZHOU ANQILA TECH