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Burning explosion mechanism capable of preventing reverse fire moving

A kind of explosion and reverse technology, which is applied in the direction of blasting cylinders, mechanical equipment, functional valve types, etc., can solve the problems of gas reverse fire, high system pressure, system damage, etc., and achieve the effect of preventing cross fire

Inactive Publication Date: 2015-06-17
AEROSPACE LIFE SUPPORT IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the normal penetration state will cause the gas of other combustion and explosion mechanisms to cross-fire in reverse. Due to the reverse cross-fire, the internal combustion bombs in the mechanism will be ignited, which will lead to excessive pressure in the corresponding system and damage to the system.

Method used

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  • Burning explosion mechanism capable of preventing reverse fire moving

Examples

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Embodiment Construction

[0015] Such as figure 1 The shown embodiment of the combustion and explosion mechanism of the present invention that can prevent reverse crossfire includes a gas channel 3, a throttling plate 2 is arranged in the gas channel 3, and a plurality of through holes 4 are opened on the throttle plate 2; throttling A blocking piece 1 is provided between the plate 2 and the channel outlet, and the blocking piece 1 closely covers the side of the throttling plate 2 .

[0016] The cross-sections of the gas channel 3 and the throttling plate 2 are circular, and the inner diameter of the gas channel between the throttling plate 2 and the channel outlet is reduced, and the throttling plate 2 presses the blocking piece 1 on the stepped surface of the gas channel 3 .

[0017] A screw port is provided on the contact surface between the inner wall of the gas channel and the throttling plate 2, and the arc surface of the throttle plate 2 is provided with a screw port matching the inner wall of t...

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Abstract

The invention relates to a burning explosion mechanism capable of preventing reverse fire moving. The mechanism comprises a gas channel, wherein a throttle plate is arranged in the gas channel; a plurality of penetrating holes are formed in the throttle plate; and a blocking piece is arranged between the throttle plate and an outlet of the channel and is tightly attached to and covers the side face of the throttle plate. Normal work of the burning explosion mechanism can be ensured, and high-temperature and high-pressure gas generated by an explosive cartridge in the burning explosion mechanism passes through the mechanism in the forward direction; and it can be ensured that when not working, the mechanism has the function of preventing reverse fire moving.

Description

technical field [0001] The invention belongs to the technical field of ejection lifesaving, and relates to an explosion mechanism used in ejection lifesaving equipment. Background technique [0002] At present, a large number of combustion and explosion actuating mechanisms are used in the field of ejection lifesaving. In order to ensure that the high-temperature and high-pressure gas generated by the combustion and explosion bombs passes forward when the combustion and explosion mechanisms are working normally, the gas channels of these combustion and explosion mechanisms are designed to be in a continuous state. . [0003] However, the normal penetration state will cause the gas of other combustion and explosion mechanisms to cross-fire in reverse. Due to the reverse cross-fire, the explosive bombs in the mechanism will be ignited, which will cause excessive pressure in the corresponding system and damage the system. Contents of the invention [0004] The technical prob...

Claims

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Application Information

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IPC IPC(8): F42B3/10F16K15/00
Inventor 牛建永兰海英王文远王丰松钟华
Owner AEROSPACE LIFE SUPPORT IND LTD
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