Strong seal explosion bolt device
An explosive bolt and strong sealing technology, which is applied in the direction of screws, threaded fasteners, connecting components, etc., can solve the problems of low sealing reliability of explosive bolts and easy sealing failure, so as to enhance the ability of anti-explosion sealing, avoid failure, The effect of reducing the risk of leakage
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[0024] Such as figure 1 As shown, a strong sealing explosive bolt device includes a bolt housing 1, a piston 2, a buffer ring 3, an O-shaped rubber ring 4, a non-metallic gasket 5, a propellant 6 and an igniter 7. The piston 2 and the buffer ring 3 are installed in the cavity of the bolt housing 1. The V-shaped groove 9 is designed on the bolt housing 1 as the weak link of strength. The piston 2 is designed with two sealing grooves and a detonation groove 8, O-shaped The rubber rings 4 are respectively installed in the two sealing grooves of the piston 2, the non-metallic gasket 5 is pasted on the bottom end surface of the piston 2 by curing glue, the explosive 8 is installed in the igniter 7, and then connected with the bolt housing 1 through thread fit . After the igniter 7 is energized and detonated, the explosive 6 is ignited to generate high-temperature and high-pressure gas, which pushes the piston 2 to move, and the piston quickly squeezes the buffer ring 3 and hits th...
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