Anti-deflation mechanism for pulse bag-type dust collector

The utility model provides an anti-deflation mechanism for a pulse bag-type dust collector, which comprises a dust collecting bag, an anti-deflation ring is arranged in the dust collecting bag, the fixed end of the anti-deflation ring is fixedly connected with a first mounting plate, the movable end of the anti-deflation ring penetrates through the first mounting plate and is in sliding connection with the first mounting plate, and the movable end of the anti-deflation ring is fixedly connected with the first mounting plate. A second mounting plate is arranged on the lower end face of the first mounting plate, a telescopic plate is arranged on one side of the first mounting plate, the end face of one side of the telescopic plate is rotationally connected with one end of an adjusting bolt, and the other end of the adjusting bolt penetrates through the first mounting plate and is in threaded connection with the first mounting plate; compared with the prior art, the dust collection bag anti-collapse device has t