Compressor suction port structure

Abstract

The invention discloses a suction opening structure of a compressor. The suction opening structure comprises a suction pipe which is fixedly connected with a suction port of a cylinder, a heat-insulation ceramic tube which is fixedly arranged inside the suction pipe, and a liquid storage tank's exhaust pipe which is fixedly connected with the suction pipe. A taper surface is formed on the external end portion of the heat-insulation ceramic tube. A bell mouth which fits with the taper surface is formed on the end portion of the liquid storage tank's exhaust pipe. The heat-insulation ceramic tube fits with the liquid storage tank's exhaust pipe through the taper surface. An assembly operator can conveniently perform total freedom degree of contact between the liquid storage tank's exhaust pipe and the end portion of the heat-insulation ceramic tube. Fitting allowance is easy to guarantee. In addition, axial freedom degree of the heat-insulation ceramic tube is restricted, and adverse influence of shock during the operation process of the compressor on the heat insulation ceramic is relatively reduced. Simultaneously, it is ensured that dimensions of the housing and subsidiary parts are not changed. In this case, as the end portion of the heat-insulation ceramic tube extends into the inside of an exhaust pipe, the length of the heat-insulation ceramic tube is relatively increased, heat insulation area is increased, and inhalation efficiency is more effectively raised.

Description

technical field [0001] The invention relates to the field of compressors, in particular to a suction port structure of a rotary compressor. Background technique [0002] Rotary compressors suitable for air conditioners, etc. are usually eccentrically combined with the rotary piston of the compression structure on the crankshaft combined with the electric structure. The rotary piston rotates in the compression space of the circular cylinder to suck in, compress and discharge refrigeration. agent. [0003] figure 1 For the longitudinal section of the existing rotary compressor, such as figure 1 As shown, its electric structural part includes: stator 2, rotor 3 and crankshaft 4. The stator 2 and the rotor 3 are arranged inside the casing 1, and the center of the rotor 3 is pressed into the crankshaft 4, and the lower part of the crankshaft 4 is provided with a compression structure for sucking and compressing the refrigerant gas. The compression structure part includes: a c...

AI Technical Summary

Problems solved by technology

[0008] However, the direct contact between the exhaust pipe of the liquid storage tank and the ceramic is only fixed by a single degree of freedom in the horizontal direction, which is easily affected by the vibration of the compressor and causes the ceramic tube to break. In addition, due to the limitation of the size of the shell and the liquid storage tank, the The length of the pipe should not be too long, as this will reduce the insulation effect

Due to the direct contact method of fixing, the dimensional accuracy of ceramic processing and the installation accuracy of the liquid storage tank will be very high, which is not conducive to assembly

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