Flame-retarding expansion sealing rubber strip

Abstract

The invention discloses a flame-retarding expansion sealing rubber strip which comprises a rubber strip body, an expansion layer, a connecting block and limiting sheets. Buffer layers are installed onthe outer side of the rubber strip body, buffer chambers are formed in the inner sides of the buffer layers, connecting nets are arranged on the inner sides of the buffer chambers and provided with buffer beads, the buffer beads are located in the buffer chambers, storage balls are connected with the rubber strip body through spray pipes, valves are installed on the inner sides of the spray pipes, the limiting sheets are located on the inner side of the connecting block, rubber leather strips are fixed to the limiting sheets, and the limiting sheets and the rubber leather strips are located on the inner sides of a first clamping block and a second clamping block. By the adoption of the flame-retarding expansion sealing rubber strip, the storage balls each of a hollow structure are coatedwith an expansion layer made of an expandable graphite material, the expansion layer conveniently expands when the temperature of the rubber strip body on the outer side is increased in a fire disaster, the storage balls are squeezed conveniently, a dry powder extinguishing agent in the storage balls can be sprayed out advantageously, and flames can be covered and extinguished to a certain degree.

Description

technical field [0001] The invention relates to the technical field of automobile equipment, in particular to a flame-retardant expansion sealing rubber strip. Background technique [0002] Sealant strips are made of rubber and are mainly used in the fields of automobiles, machinery, doors and windows. Automobile sealant strips are mainly used for joints between glass and bead, glass and frame fan, frame and fan, and fan and fan. Prevent internal and external media (rain, air, sand, etc.) from leaking or intruding, and can prevent or reduce damage caused by mechanical vibration and impact, so as to achieve sealing, sound insulation, heat insulation and shock absorption. The traditional strip or rod-shaped material, the flame retardant performance of the traditional sealing strip is not outstanding, it cannot slow down the burning speed of the car body in case of fire, and cannot buy more rescue time for the people on the vehicle, and the installation of ordinary sealing stri...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a kind of flame retardant expansion sealing rubber strip, to solve the problem that the traditional sealing rubber strip proposed in the above background technology is not outstanding in flame retardancy, una

Images