Upper cylinder head assembly, rotor pump and compressor

Abstract

The utility model relates to a compressor technical field provides an upper cylinder cover assembly, rotor pump and compressor, the utility model discloses upper cylinder cover assembly, include: cover, cover and elastic sealing element, the cover includes cover plate and axle sleeve, the axle sleeve is connected in the first side surface of cover plate, the cover has the inner chamber, the cover has the opposite first opening and second opening along a direction, the cover is connected in the cover plate, and the first side surface will the first opening seal, the second opening is crossed for the axle sleeve, and the first through -hole that is communicated with the inner chamber is seted up on the cover plate, the elastic sealing element is sleeved in the axle sleeve, and the inner periphery of elastic sealing element and the outer periphery of axle sleeve seal cooperation, and the outer periphery of elastic sealing element sets up the sealing groove, and the rim sealing of second opening is inserted and is assembled in the sealing groove. The utility model can improve the impact phenomenon of upper cylinder cover, and guarantee the sealing performance of upper cylinder cover.

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