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Hermetic compressor and manufacturing method of hermetic compressor

A manufacturing method and compressor technology, applied in engine manufacturing, rotary piston type/oscillating piston type pump components, machines/engines, etc., can solve the problems of spring and vane positional deviation, spring distortion, etc., to ensure positional accuracy Effect

Active Publication Date: 2022-07-01
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for the hermetic compressor of Patent Document 1, if the assembly accuracy of the airtight container and the cylinder body is poor, the positional relationship between the spring and the vane will deviate. Possibility to stretch by design

Method used

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  • Hermetic compressor and manufacturing method of hermetic compressor
  • Hermetic compressor and manufacturing method of hermetic compressor
  • Hermetic compressor and manufacturing method of hermetic compressor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0015] [hermetic compressor 100]

[0016] figure 1 It is a longitudinal cross-sectional view of the hermetic compressor 100 which concerns on Embodiment 1 of this invention. The hermetic compressor 100 is one member constituting a refrigeration cycle used in, for example, an air conditioner, a refrigerator, a refrigerator, a vending machine, a water heater, and the like. The hermetic compressor 100 is a double rotary compressor having two compression chambers. The hermetic compressor 100 includes a hermetic container 10 , and a motor mechanism unit 20 and a compression mechanism unit 30 housed in the hermetic container 10 . In addition, the hermetic compressor 100 has an accumulator 13 outside the hermetic container 10 , and has a suction pipe 11 that connects the hermetic container 10 and the accumulator 13 . Further, the hermetic compressor 100 has a protruding container 50 that accommodates a spring 36d that biases the vane 35 described later.

[0017] (Airtight contain...

Embodiment approach 2

[0053] Figure 5 It is a longitudinal cross-sectional view of the hermetic compressor 110 which concerns on Embodiment 2 of this invention. pair with Figure 1 to Figure 4 The parts with the same structure of the hermetic compressor 100 are marked with the same reference numerals, and the description thereof is omitted. Items not particularly described in the hermetic compressor 110 according to Embodiment 2 are the same as those in the hermetic compressor 100 according to Embodiment 1 of the invention, and the same functions and structures are described using the same reference numerals. .

[0054] In the hermetic compressor 100 according to Embodiment 1, regardless of the number of the cylinders 31 arranged in the hermetic container 10, the number of the protruding container 50 fixed to the middle container 10a is always one. On the other hand, in the hermetic compressor 110 according to Embodiment 2, the number of the protruding containers 50 fixed to the intermediate co...

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PUM

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Abstract

The hermetic compressor includes: an airtight container; a hollow cylinder is accommodated in the airtight container; a rolling piston performs eccentric rotation; a vane divides the space in the cylinder into a suction chamber and a compression chamber; The arrangement side urges the blades; a cylindrical spring guide protrudes from the airtight container to form a hollow part for accommodating the spring, and regulates the expansion and contraction direction of the spring; and a protruding container protrudes from the airtight container to form a closed space together with the airtight container, A spring guide is housed inside, an insertion hole into which the spring is inserted is formed in the cylinder, one end of the spring guide is fixed to the cylinder, the hollow portion communicates with the insertion hole, and the other end is closed by the bottom cover. The spring is disposed between the rear end portion of the vane on the opposite side to the rolling piston and the bottom cover portion.

Description

technical field [0001] The present invention relates to a hermetic compressor used in a refrigeration cycle of an air conditioner, a refrigerator, a refrigerator, or the like, and a method for producing the hermetic compressor. Background technique [0002] Some conventional hermetic compressors include a rotary compressor that compresses a refrigerant by a combination of a rotating piston and a cylinder. In this rotary compressor, a piston is housed in a cylinder, and a vane biased by a spring is in contact with the piston to form a compression chamber in the cylinder. The spring for urging the blade is accommodated in a spring insertion hole formed in the cylinder, and the spring is held by the cylinder. However, in the structure in which the spring is held by the cylinder, the space between the back surface of the blade and the airtight container is narrow. Therefore, when the vane reaches the top dead center of the reciprocating motion, the entire length of the spring ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04C18/356
CPCF04C18/356F04C2240/20F04C2240/80F04C29/00F04C2240/10F04C2240/30F04C2230/231F04C2230/60F05B2230/232F05B2260/30F05B2260/502
Inventor 井垣夏纪赤堀康之
Owner MITSUBISHI ELECTRIC CORP