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Piston and rotary compressor comprising same

A technology on pistons and pistons, which is applied in the field of compressors, can solve the problems of increased weight of balance weight, increased weight of pistons, deflection and deformation of crankshaft, etc., and achieves the effects of improving deflection and deformation, reducing weight and simplifying the manufacturing process

Inactive Publication Date: 2015-09-02
GUANGDONG MEIZHI COMPRESSOR +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the related art, after the compressor is designed to be flat and efficient (that is, the inner diameter of the cylinder is increased and the height is reduced), when the displacement of the compressor remains the same, the weight of the piston increases relatively, which leads to the problem of increased weight of the balance weight and worsening of the deflection deformation of the crankshaft

Method used

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  • Piston and rotary compressor comprising same
  • Piston and rotary compressor comprising same
  • Piston and rotary compressor comprising same

Examples

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Embodiment Construction

[0027] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate 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 only for explaining the present invention and should not be construed as limiting the present invention.

[0028] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicati...

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Abstract

The invention discloses a piston and a rotary compressor comprising the same. The piston comprises a first sub-piston which is cylindrical and a second sub-piston which is cylindrical. The first sub-piston is provided with a first mounting hole penetrating height-wise the first sub-piston; the second sub-piston is provided with a second mounting hole penetrating height-wise the second sub-piston; the second sub-piston is disposed at the bottom of the first sub-piston; the first mounting hole and the second mounting hole face each other to form a crankshaft mounting hole used for mounting a crankshaft; at least one of surfaces, facing each other, of the first and second sub-pistons is provided with a groove which forms a weight reduction cavity. The piston according to the embodiment helps partly improve flexural deformation of the crankshaft and reduce the weight of a balancer used for balancing eccentric torque of the crankshaft.

Description

technical field [0001] The invention relates to the field of compressors, in particular to a piston and a rotary compressor with the piston. Background technique [0002] In the related art, after the flattening and high-efficiency design of the compressor (that is, the inner diameter of the cylinder increases and the height decreases), when the displacement of the compressor remains the same, the weight of the piston increases relatively, which leads to the problems of increased weight of the balance weight and deterioration of the deflection deformation of the crankshaft. Contents of the invention [0003] The present invention aims to solve one of the technical problems in the related art at least to a certain extent. For this reason, the present invention proposes a kind of piston, and the weight of this piston is lighter, can improve the deflection deformation of crankshaft at least to a certain extent, can also reduce the weight of the counterweight that is used for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B39/00F04C29/00
Inventor 付清轩彭道银张青
Owner GUANGDONG MEIZHI COMPRESSOR
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