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Pneumatic discharge ball valve

A material ball and pneumatic technology, applied in valve details, valve devices, engine components, etc., can solve the problems of heavy weight, inability to seal, and seal damage of the pneumatic film discharge valve, and achieve light weight, reliable sealing, and light load. Effect

Inactive Publication Date: 2012-07-04
SHANGHAI JIANGLANG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The small one must be more than 600mm, so the volume is large;
[0004] 2. The pneumatic film discharge valve is heavy;
[0006] 4. If there are sand and hard objects between the valve core and the valve seat, during the closing process of the valve, traces will be pressed on the seal between the valve core and the valve seat, which will damage the seal and make it impossible to seal. The medium in the container leaks and cannot be closed tightly, causing accidents, etc.

Method used

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  • Pneumatic discharge ball valve
  • Pneumatic discharge ball valve
  • Pneumatic discharge ball valve

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Embodiment Construction

[0022] Below in conjunction with specific embodiment, further set forth the present invention:

[0023] Such as Figure 1 to Figure 3 Shown, it is a kind of pneumatic discharging ball valve of the present invention, as figure 1 and image 3 As shown, a gas discharge ball valve includes a discharge ball valve 1, the valve stem of the discharge ball valve 1 is connected to a connecting rod mechanism, and the other end of the connecting rod mechanism is connected to a straight stroke cylinder 3; the straight stroke cylinder 3 Drive the link mechanism to operate and then control the discharge ball valve 1 to open or close. The link mechanism includes a first connecting rod 5 and a second connecting rod 2. The first connecting rod 5 is connected to the valve stem of the discharging ball valve 1, and the second connecting rod is connected to One end of the rod 2 is movably connected with the other end of the first connecting rod 5 , and the other end of the second connecting rod 2...

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Abstract

The invention discloses a pneumatic discharge ball valve which comprises a discharge ball valve, wherein a valve rod of the discharge ball valve is connected with a connecting rod mechanism; the other end of the connecting rod mechanism is connected with a straight travel air cylinder; and the straight travel air cylinder drives the connecting rod mechanism to operate and further control the discharge ball valve to be opened or closed. The pneumatic discharge ball valve disclosed by the invention has the advantages of small size, short valve body, strong capability of switching on or off, no leakage and sensitivity to switching on / off.

Description

technical field [0001] The invention relates to a pneumatic discharging ball valve. Background technique [0002] At present, most of the control valves used at the bottom of chemical containers or reaction kettles are pneumatic film discharge valves. Through the control of the pneumatic film discharge valve, the medium in the container is controlled. There are several technical aspects of the pneumatic film discharge valve. The problem: [0003] 1. Pneumatic film discharge valve is large in size. When the valve diameter is 250mm, its length is more than 1000mm. The small one must be more than 600mm, so the volume is large; [0004] 2. The pneumatic film discharge valve is heavy; [0005] 3. The pneumatic film discharge valve is a hard seal design, which requires high manufacturing precision, and the valve seat and valve core will wear and cause leakage; [0006] 4. If there are sand and hard objects between the valve core and the valve seat, during the closing process ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K5/06F16K31/12F16K31/44
Inventor 陈伯琴施锦章俞洪平
Owner SHANGHAI JIANGLANG TECH CO LTD