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Integrated safety valve for high-pressure air long-tube semi-trailer

A high-pressure gas and semi-trailer technology, applied in safety valves, gas/liquid distribution and storage, valve details, etc., can solve the problems of processing troubles, reduce the processing efficiency of end plugs, etc., and achieve high processing efficiency and high vehicle assembly efficiency , Ease of use

Active Publication Date: 2011-02-09
XINXING ENERGY EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the size of the safety devices for long tube trailers is NPT1” external thread at one end, which is connected to the trailer end plug, and NPT1 / 2” internal thread at the other end, with a diameter of Φ15, which is connected to the valve and only has safety venting and access. There are two functions of air and gas, so an NPT1 / 4” hole needs to be opened on the end plug as the sewage outlet. This is also the structure of most long-tube trailers at present. There are two holes on the end plug. There is directionality, and the sewage outlet must be downward, so after the end plug thread is processed, it must be connected to the gas cylinder first, find out the center of gravity of the gas cylinder through dynamic balance, and then make a mark on the end plug so that the sewage outlet is downward , so that the processing efficiency of the end plug is greatly reduced

Method used

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  • Integrated safety valve for high-pressure air long-tube semi-trailer
  • Integrated safety valve for high-pressure air long-tube semi-trailer

Examples

Experimental program
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Embodiment Construction

[0012] As shown in the drawings, the valve body 6 has an inner hole 8 with a diameter of Φ25mm. One end of the valve body 6 is an air inlet and a blowdown port 6, and an NPT1.5 "outer pipe thread is arranged on the air inlet and a blowdown port 6. The air inlet and blowdown port 6 is sealed and connected with the air inlet and the blowdown port of the high-pressure gas cylinder. The other end of the valve body 6 is a sewage discharge interface 10, and the sewage discharge interface 10 has internal pipe threads, and the sewage discharge interface 10 is sealed and connected with the sewage discharge port of the high-pressure gas cylinder; 8 connected to the emptying interface 11, the emptying interface 11 has an external thread, and the compression nut 1 is screwed on the external thread, and the spacer 5, Inner clamping ring 12, bursting disc 4, outer clamping ring 3 and soluble alloy 2. There is also an air inlet and outlet port 9 on the cylindrical surface of the valve body 6...

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Abstract

The invention relates to an integrated safety device of a high-pressure air bottle, in particular to an integrated safety valve for a high-pressure gas long-tube semi-trailer. A valve body is provided with an inner hole, one end of the valve body is provided with an inlet and drain interface, external tube threads are arranged on the inlet and drain interface, the inlet and drain interface is connected with an air inlet and a drain hole of the high-pressure air bottle in a sealing mode, the other end of the valve body is provided with a drain interface, internal tube threads are arranged on the drain interface, the drain interface is connected with the drain hole of the high-pressure air bottle in a sealing mode, an emptying interface which is communicated with the inner hole of the valve body is arranged on the cylindrical surface of the valve body, external threads are arranged on the emptying interface, a pressing nut is screwed on the external threads, a gasket, an inner clamping ring, a bursting piece and an outer clamping ring are in sequence pressed between the interior of the pressing nut and the end surface of the emptying interface from inside to outside, and an air inlet and outlet interface is arranged on the cylindrical surface of the valve body and is communicated with the inner hole of the valve body. The invention has high processing efficiency and high complete trailer assembling efficiency, and moreover, end plugs have no directional property, can be arbitrarily exchanged and are convenient to use.

Description

technical field [0001] The invention relates to an integrated safety device for a high-pressure gas cylinder, in particular to an integrated safety valve for a high-pressure gas long tube semi-trailer. Background technique [0002] At present, the size of the safety devices for long tube trailers is NPT1” external thread at one end, which is connected to the trailer end plug, and NPT1 / 2” internal thread at the other end, with a diameter of Φ15, which is connected to the valve and only has safety venting and access. There are two functions of air and gas, so an NPT1 / 4” hole needs to be opened on the end plug as the sewage outlet. This is also the structure of most long-tube trailers at present. There are two holes on the end plug. There is directionality, and the sewage outlet must be downward, so after the end plug thread is processed, it must be connected to the gas cylinder first, find out the center of gravity of the gas cylinder through dynamic balance, and then make a m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K17/00F16K27/00F17C13/00
Inventor 杨彬王国强武常生杨利芬杜丽敏马英俊李桂苓白海亮
Owner XINXING ENERGY EQUIP
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