Inner cylinder of fireworks and fireworks with the inner cylinder of fireworks

Abstract

The invention discloses an inner fireworks barrel and fireworks with the inner fireworks barrel. The inner fireworks barrel comprises a cylindrical barrel body for storing an explosive mixture; a top cover is arranged at the upper end of the barrel body, and while a base is arranged at the lower end of the barrel body; the top cover comprises a cover body, and a first annular sidewall which is axially stretched along the outer round surface of the cover body; the inner wall surface of the first annular sidewall is in connection fitting with the outer round surface of the upper part of the barrel body; the base comprises a base body, and a second annular sidewall which is axially stretched along the outer round surface of the base body; the inner wall surface of the second annular sidewall is in connection fitting with the outer round surface of the lower part of the barrel body; a line guide hole is formed in the base body. According to the inner fireworks barrel, the processing technique is simplified; in addition, the top cover and the base can be conveniently produced by mass, and therefore, the cost is reduced, and the processing efficiency is increased; meanwhile, the structure that the inner wall surface of the annular sidewall is in connection fitting with the upper outer round surface and the lower outer round surface of the barrel body is adopted to reliably ensure the connection reliability of the top cover, the base and the barrel body.

Description

technical field [0001] The invention relates to the field of fireworks, in particular to a fireworks inner cylinder. In addition, the present invention also relates to a firework comprising the above firework inner cylinder. Background technique [0002] Fireworks, because of their beautiful fireworks blooming high in the sky, add a festive atmosphere to the festival. refer to figure 1 , Existing fireworks comprise fireworks inner cylinder 2 ', and this fireworks inner cylinder 2 ' comprises: cylinder 24 and the upper seal 23 that is located at cylinder 24 tops and the lower seal 27 that is located at cylinder 24 bottoms. Among them, the cylinder body 24 is generally made of paper material, the upper seal 23 is made of powdery anchoring agent, and the lower seal 27 is usually made of yellow mud, and the inner wall of the cylinder body 24 is expanded and tightened by extrusion. become one. Due to the need to manually or mechanically extrude the yellow mud to cooperate wit...

AI Technical Summary

Problems solved by technology

[0003] The invention provides a firework inner cylinder and a firework having the fireworks inner cylinder to solve the technical problem of cumbersome processing caused by complicated molding of the upper seal and the lower seal in the existing fireworks inner cylinder

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