compressor

Abstract

The present invention discloses a compressor, which comprises a sealed housing, a crankshaft, a movable vortex disk, an upper bearing, an upper bracket and an oil return member, wherein the crankshaft, the movable vortex disk, the upper bearing, the upper bracket and the oil return member are arranged inside the sealed housing, the upper bracket comprises an upper end portion, a middle portion and a lower end portion, the upper end portion, the middle portion and the lower end portion are sequentially communicated, an oil storage chamber is arranged between the inner side wall of the upper end portion and the movable vortex disk, a first channel is arranged between the inner side wall of the middle portion and the crankshaft, the oil storage chamber is communicated to the first channel, the upper bearing is arranged in the lower end portion, a second channel is arranged between the upper end surface of the upper bearing and the lower end surface of the middle portion, the second channel is communicated to the first channel, the inner side wall of the lower end portion is axially provided with one or a plurality of first oil grooves, and the first oil groove is communicated to the second channel, and is communicated to the oil return member. The compressor of the present invention has advantages of good cooling performance, high working efficiency, long service life, and the like.

Description

technical field [0001] The invention relates to the field of compressors, in particular to a scroll compressor. Background technique [0002] During the operation of the scroll compressor, the movable scroll, fixed scroll, bearing and crankshaft need to be lubricated. Therefore, it is necessary to design an oil return path in the compressor structure to realize the circulating flow of lubricating oil. After the lubricating oil in the compressor passes through the oil hole in the center of the crankshaft from the bottom of the compressor to the top of the crankshaft, it flows to the upper bracket area through the gap between the orbiting scroll and the eccentric part of the crankshaft, and then most of the lubricating oil returns to the upper bracket through the oil return passage of the bracket. bottom of the compressor. During the flow of lubricating oil, part of the heat generated by the friction of the moving parts can be taken away, so as to play the role of heat dissip...

AI Technical Summary

Problems solved by technology

[0003] In traditional compressors, there is often an unreasonable design of the oil return passage of the bracket, which leads to difficulties in lubrication and oil return

Poor lubrication will generate a lot of heat, and poor oil return will not only fail to take away the heat generated by friction in time, resulting in poor heat dissipation, but also cause a large amount of refrigerated lubricating oil to enter the compressor pump body, and finally enter the refrigeration system with the refrigerant, affecting Cooling performance

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