A rotary mechanical oil pump structure, a compressor oil pump structure and a rotary compressor

A technology for compressor pumps and rotating machinery, applied in the field of compressors, to achieve the effects of improving oil supply capacity, simple structure, and ensuring lubricating effects
CN110848134BActive Publication Date: 2021-12-21ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION
Publication Date
2021-12-21

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Abstract

The invention provides a rotary machine oil pump structure, a compressor oil pump structure and a rotary compressor; the rotary machine oil pump structure includes a cylinder and a drive mechanism; the moving parts can reciprocate in the cylinder under the action of the drive mechanism; A pump oil chamber is formed, and the pump oil chamber is connected upward to an oil pipe, and the other end of the oil pipe is connected to the lubrication part of the rotating machine; the volume of the pump oil chamber can change periodically with the reciprocating motion of the moving parts; the drive mechanism passes through Rotate to drive the moving parts to do reciprocating motion, so that the moving parts squeeze the oil pump cavity for oil discharge or oil absorption; the solution provided by the invention can solve the problems of difficult low-frequency oil pumping, insufficient low-frequency lubrication and easy wear of existing compressors , so that the height of the compressor pump oil is no longer affected by the operating frequency of the compressor, and the oil supply capacity of the compressor pump oil is improved to ensure the lubrication effect.
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Description

technical field

[0001] The invention relates to the technical field of compressors, in particular to a rotary mechanical oil pump structure, a compressor oil pump structure and a rotary compressor. Background technique

[0002] The oil pumping structure of the existing rotary compressor basically relies on the rotation of the crankshaft to drive the oil guide plate to rotate, and then through the oil guide plate, the refrigerated oil is pumped from the bottom of the crankshaft center hole to the top of the crankshaft center hole from the oil pool, and then The part that needs to be lubricated is transported by the centrifugal force of the crankshaft rotation and the hole opened on the crankshaft; although the above scheme can achieve local lubrication, there are several problems in using the oil guide sheet to transport the refrigerated oil for lubrication: on the one hand, the pump oil The height is affected by the frequency of the compressor. When the operating frequency o...

Claims

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