Sealed compressor shell

A technology for hermetic compressors and compressor shells, which is applied in the field of compressor manufacturing, and can solve problems such as increased shell size and weight, reduced welding process at the bottom of the lower shell, unreasonable use of shell space, etc. , to achieve the effect of saving oil injection, reducing cost and saving space

Active Publication Date: 2014-06-18
黄石东贝压缩机有限公司
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0002] At present, in the industry of fully enclosed refrigeration compressors for refrigerators, the shells used in compressors are generally formed by two cylindrical upper covers and lower shells with oval cross-sections. The centerline of the axis coincides, and the symmetrical centerline of the terminal hole of the lower case in the horizontal direction (also called the centerline of the terminal hole) adopts a design method that coincides with the centerline of the long axis of the ellipse; For the welding process, the welding plane of the machine feet will be designed on both sides of the center line of the oval long axis. With this symmetrical design, the production and related processing technology are relatively simple, and the compressor will also appear symmetrical and beautiful, but it is not good for the space utilization of the shell. Very reasonable, the overall size and weight of the shell also increase accordingly

Method used

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  • Sealed compressor shell
  • Sealed compressor shell
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Embodiment Construction

[0027] The following is attached Figure 1-5 The embodiment of the present invention is described further, but does not limit the present invention.

[0028] see Figure 1-5 The housing of the present invention is suitable for hermetic refrigeration compressors, especially small hermetic refrigeration compressors, and mainly includes a cylindrical upper cover 1 and a lower shell 2 that can be engaged with each other, and the horizontal section of the upper cover 1 and the lower shell 2 It is elliptical, and the elliptical major axis centerline 21 of the upper cover and the lower shell coincides, and similarly, the elliptical minor axis centerline 22 of the housing upper cover and the lower shell also coincides; the terminal 3 is arranged on the lower shell 2 And it is symmetrical with the center line 23 of the terminal hole; the top surface of the upper cover 1 is asymmetrical spherical shrinkage, and the terminal side and the front side are higher than the rear side; the bot...

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Abstract

A sealed compressor housing includes a tubular top cover (1) and a tubular lower housing (2) each with an elliptical horizontal cross section that can be snap-fitted together. Major and minor axial centerlines (21, 22) of the top cover (1) and the lower housing (2) respectively coincide with each other. A centerline of a cylinder core of a cylinder block (6) coincides with the major axial centerlines (21). A terminal pin (3) is provided on the lower housing (2) and is disposed axially symmetrical about a centerline (23) of the terminal pin. A top face of the top cover (1) has an asymmetrically spherical shape. A portion of the top face on the side of the terminal pin and a front side of the top face are higher than a rear side thereof. A bottom outer surface of the lower housing (2) has a smooth ellipsoid shape. An angle is formed between the centerline (23) of the terminal pin and the major axial centerlines (21).

Description

technical field [0001] The invention belongs to the field of compressor manufacturing, and in particular relates to a shell for a small hermetic refrigeration compressor. Background technique [0002] At present, in the industry of fully enclosed refrigeration compressors for refrigerators, the shells used in compressors are generally formed by two cylindrical upper covers and lower shells with oval cross-sections. The centerline of the axis coincides, and the symmetrical centerline of the terminal hole of the lower case in the horizontal direction (also called the centerline of the terminal hole) adopts a design method that coincides with the centerline of the long axis of the ellipse; For the welding process, the welding plane of the machine feet will be designed on both sides of the center line of the oval long axis. With this symmetrical design, the production and related processing technology are relatively simple, and the compressor will also appear symmetrical and bea...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B39/12
CPCF04B39/123F04B39/0061F04B39/121F04B39/12F04B39/127F04B53/16
Inventor 方泽云曹礼建王新南甘斌程良富陈曦
Owner 黄石东贝压缩机有限公司
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