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Closed type compressor and its manufacturing method and refrigerator-freezer

A compressor, airtight technology, applied in household refrigeration units, cold storage rooms, components of pumping devices for elastic fluids, etc., can solve problems such as abnormal wear and reduce reliability of compressors, and achieve the effect of improving supply

Inactive Publication Date: 2009-03-25
ジーエムシーシーアンドウェリングアプライアンスコンポーネントタイランドカンパニーリミテッド
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

From this, it is judged that there is such a problem: the ball seat 34 and the spherical part 31 produce abnormal wear on the contact sliding part, and the reliability of the compressor is significantly reduced.

Method used

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  • Closed type compressor and its manufacturing method and refrigerator-freezer
  • Closed type compressor and its manufacturing method and refrigerator-freezer
  • Closed type compressor and its manufacturing method and refrigerator-freezer

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0089] The present invention will be explained in detail with an embodiment shown in the figure.

[0090] First of all, yes Figure 1 to Figure 4 Be explained. figure 1 Is a longitudinal cross-sectional view showing an embodiment of the hermetic compressor of the present invention, figure 2 Yes means figure 1 A longitudinal cross-sectional view of the shape of the piston, image 3 Is from figure 2 Observe the side view of the piston in the direction of the arrow, Figure 4 Is a combination figure 1 A side sectional view of an example of a crankshaft with a connecting rod and shaft.

[0091] Such as figure 1 As shown, the hermetic compressor is provided with an electric motor 2 and a compression mechanism 3 inside the hermetic container 1. The bracket 4 supports the motor 2 and the compression mechanism 3 in the airtight container 1. The shaft 5 is supported by a bracket 4 that fixes the rotor of the electric motor 2. A crankshaft 6 is provided at the upper end of the shaft 5...

no. 2 approach

[0132] Hereinafter, a plurality of examples of the second embodiment of the present invention will be described with reference to the drawings. In the figures of the first embodiment and the following embodiments, the same reference numerals denote the same or equivalent parts, and the parts specifically described are the same as those of the first embodiment except for the parts specifically described.

no. 1 example

[0134] First, use Figure 17 to Figure 22 The first example of the second embodiment of the present invention will be described.

[0135] Regarding the overall structure of the reciprocating hermetic compressor of this embodiment, refer to Figure 17 and Figure 18 Be explained. Figure 17 It is a longitudinal sectional view of the reciprocating hermetic compressor of the first embodiment of the present invention, Figure 18 Yes means Figure 17 A cross-sectional plan view of part of the compression mechanism. The reciprocating hermetic compressor of this embodiment is used in a freezer-refrigerator, and can be applied to refrigeration and freezing devices as described above.

[0136] Inside the airtight container 1, a motor 2 equipped with a rotor 2a and a stator 2b and a compression mechanism 3 are provided. The bracket 4 supports the motor 2 and the compression mechanism 3 in the airtight container 1. The crankshaft 5 is supported by a bracket 4 that fixes the rotor 2a of the e...

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PUM

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Abstract

A closed type compressor comprises a crank shaft 6 for transmitting rotating force of a motor; a piston 8 provided with a ball seat 8a having a spherical surface part 8a on a crank shaft side thereof; and a connecting rod 9 having a sphere part (11) with one end connected with the ball seat, an annular part (12) with the other end tabled in a crank shaft, and a rod part (10) connecting the annular part and the sphere part; and lubricating oil stored in a closed container, wherein the lubricating oil is provided through the crank shaft. The closed type compressor is provided with a first oil providing hole (19) on the crank shaft, a second oil providing hole (18) for providing the lubricating oil out of the first oil providing hole is arranged on the connecting rod, an oil storage box for temporarily storing the lubricating oil out of the second oil providing hole is arranged between the ball seat and the sphere. The inventive closed type compressor has favorable structure, high efficiency and good reliability.

Description

[0001] The present invention is a divisional application of the invention application with the application number 2006100064390 and the title of the invention "closed compressor and its manufacturing method and refrigerating and freezing device" filed by the applicant Hitachi Household Appliances on January 20, 2006. Technical field [0002] The invention relates to a hermetic compressor, a manufacturing method thereof, and a refrigerating and freezing device, in particular to a device suitable for a hermetic compressor in which a ball part arranged on a connecting rod is connected with a ball seat arranged on a piston. Moreover, the refrigerating and freezing devices of the present invention include refrigerators, freezers, freezing refrigerators, display cases, and the like. Background technique [0003] The hermetic compressor shown in Japanese Patent Laid-Open No. 2003-184751 (Patent Document 1) is such a conventional example. reference Figure 26 to Figure 28 Describe the her...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B39/02F04B53/14F25D11/00F25D13/00
Inventor 小野利明绀野元长尾智大别役健二关山伸哉千田浩司石山明彦关口浩一野崎务
Owner ジーエムシーシーアンドウェリングアプライアンスコンポーネントタイランドカンパニーリミテッド