Connecting assembly of bag type filter

The utility model relates to the technical field of filter accessories, in particular to a connecting assembly of a bag type filter, which comprises a sleeve sleeved on the outer wall of a filter connecting pipe, a clamping ring is fixed on the outer wall of the filter connecting pipe, deformation arc plates are adhered to two sides of the inner wall of the sleeve, and extrusion arc plates matched with the deformation arc plates are arranged on the side portions of the deformation arc plates. An air bag pipe with the length corresponding to that of the sleeve is arranged in the deformation arc plate and the extrusion arc plate, a connecting rod is connected to the outer wall of the extrusion arc plate, and the end of the connecting rod extends to the outer wall of the sleeve and is connected with a connecting rod. According to the filter connecting pipe, the joint of the two filter connecting pipes can be filled and sealed, the sealing performance of connection is improved, the shape of the outer wall of the