Elasticity-improved diaphragm filter plate

The utility model provides an elasticity-improved diaphragm filter plate which comprises a lining plate, a diaphragm piece fixed on the surface of the lining plate, a feeding hole and a liquid outlet washing hole which penetrate through the lining plate and the diaphragm piece, a filter chamber formed on the outer side of the diaphragm piece, and a squeezing medium cavity formed between the lining plate and the diaphragm piece, the diaphragm piece is provided with a diaphragm bulging part distributed on the outer side of the squeezing medium cavity, and the thickness of the diaphragm bulging part is 2-2.5 mm. The diaphragm piece is an integrated injection molding piece formed through injection molding, the thickness of the diaphragm bulging part is controlled within the range of 2-2.5 mm, injection molding defects of the diaphragm piece can be avoided, the flexibility of the diaphragm piece can be greatly improved, the diaphragm piece can blast and squeeze a filter cake under low pressure, and the squeezing e