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rotary compressor

A rotary compressor and frame technology, applied in the field of compressors, can solve the problems of difficult assembly and complicated structure of upper support components, and achieve the effects of reducing oil circulation rate, simple structure, and improving vibration performance and reliability.

Active Publication Date: 2017-02-22
GUANGDONG MEIZHI COMPRESSOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the structure of the upper support assembly of this compressor is relatively complicated and difficult to assemble.

Method used

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Embodiment Construction

[0037] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0038] In describing the present invention, it is to be understood that the terms "center", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", The orientations or positional relationships indicated by "axial", "radial", and "circumferential" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the It should not be construed as li...

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Abstract

The invention discloses a rotary compressor. The rotary compressor comprises a shell, a compression assembly, a motor assembly and an upper supporting assembly. The compression assembly is arranged in the shell and comprises a crankshaft. The motor assembly is arranged inside the shell and located above the compression assembly and comprises a stator fixed on the shell and a rotor rotatably arranged in the stator; the rotor externally sleeves the crankshaft and the stator is provided with a winding. The upper supporting assembly is arranged above the motor assembly and comprises an annular frame and a bearing block; the outer peripheral wall of the frame is fixed on the inner wall of the shell; the bearing block is fixed on the upper surface of the frame and externally sleeves the upper part of the crankshaft to support the crankshaft. According to the rotary compressor, the deflection of the upper part of the crankshaft is reduced, and the vibration performance and the reliability of the rotary compressor are improved. Besides, the rotary compressor is simple in structure and easy to assemble, and meanwhile, the structural stiffness of the upper part of the rotary compressor can be improved, and the vibration of the whole compressor and the oil circulation rate can be reduced.

Description

technical field [0001] The invention relates to the field of compressors, in particular to a rotary compressor. Background technique [0002] In a rotary compressor, especially a large-displacement rotary compressor, in order to reduce the deflection of the crankshaft head and improve the vibration performance and reliability of the compressor, a double support structure is usually designed. [0003] Wherein, the compressor includes a compression assembly and a motor assembly arranged in a sealed housing, and the compression assembly includes a cylinder, a piston arranged in the cylinder, a crankshaft for driving the piston to rotate eccentrically, a sliding vane arranged in the sliding vane groove of the cylinder, and a On both sides of the cylinder, it is used to support the main bearing and auxiliary bearing of the crankshaft, and the compression assembly is fixed on the housing through the flange of the cylinder or bearing. The motor assembly includes a stator fixed on ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04C29/00
Inventor 江波周跃国宋庆华
Owner GUANGDONG MEIZHI COMPRESSOR
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