A combined fireworks outer tube
A technology combining fireworks and outer cylinders, which is applied in pyrotechnics, offensive equipment, weapon types, etc., can solve the problems that the propellant combustion chamber cannot be sealed strictly, damage the integrity of the outer cylinder body structure, and inconsistent launch heights, etc., and achieve reliable Efficient mechanized production, avoiding emission energy loss, and realizing the effect of mechanized production
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[0009] Referring to the accompanying drawings, which reflect a specific structure of the present invention, the combined fireworks outer cylinder is composed of a cylinder body 1 and a bottom plug 2 fixed at the bottom of the cylinder body 1, and the center position of the upper part of the bottom plug 2 is provided with a launcher. Drug chamber 201, the center of the firing chamber 201 is provided with an overfire hole 202 that runs through the lower part of the bottom plug 2, and the upper port of the fire through hole 202 passes through the firing chamber 201; the bottom end surface of the bottom plug 2 is provided with a lead wire that traverses the bottom end surface The installation groove 203 and the lower port of the fire through hole 202 pass through the lead wire installation groove 203; the bottom plug 2 is composed of a cylindrical seat body 210 and a frustum-shaped insert body 220. Sealing gunpowder is installed in the through-hole 202, and the sealing powder is co...
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