Air firecracker
A technology of air cannons and firecrackers, applied in the field of sound devices, can solve problems such as danger, non-reusability, and injury to people.
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[0009] Such as figure 1 Shown, a kind of air firecracker is made up of being connected with a plurality of air cannons 2 on a trachea 1, is provided with an air nozzle 3 at one end of the trachea 1, and is provided with a one-way valve 31 in the air nozzle 3, in The other end of the trachea 1 is provided with a safety valve 4, and a deflation switch 5 is also provided on the trachea.
[0010] The air cannon 2 is composed of a fixed seat 21 and a sealing sleeve 22 connected by a connecting column 23, a sliding sleeve 24 is arranged on the sealing sleeve 22, and a stopper 25 is arranged under the sliding sleeve 24, so that the inner space of the sealing sleeve 22 is divided into There are two upper and lower air chambers, the connecting column 23 is a hollow structure, a vent hole 27 is opened at the upper air chamber 26, a damping hole 29 is opened at the lower air chamber 28, and at the end of the lower air chamber 28 of the sealing sleeve 22 is a Explosion port 30.
[0011]...
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