Piston connecting rod assembly for compressor and compressor
A technology of piston connecting rod and compressor, applied in the field of compressors, can solve the problems of reducing the reliability of the compressor, complicated manufacturing process, abnormal noise, etc., and achieve the effects of reducing wear, compact structure and convenient installation.
Active Publication Date: 2017-08-29
ANHUI MEIZHI COMPRESSOR +1
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Problems solved by technology
The above-mentioned structure has the following disadvantages: since most of the steel balls are in contact with the ball seat of the piston, and the steel ball of the connecting rod is limited by extrusion and deformation of the mouth of the ball seat, the manufacturing process is complicated and the consistency is poor, and the extrusion deformation process Affect the running flexibility of the steel ball in the piston ball seat, worsen the shaft power of the compressor, and reduce the energy efficiency of the compressor
In addition, the steel ball of the connecting rod is completely covered by the ball seat of the piston, so it is difficult for the refrigeration oil to enter the interior for lubrication, and the reliability of the compressor is reduced
[0004] In order to solve the above problems, a buffer gasket is usually installed between the steel ball of the connecting rod and the ball seat of the piston, but when the compressor is running under heavy load and high temperature, the buffer gasket is easy to creep due to the lack of lubricating oil for cooling and lubrication , resulting in permanent deformation, resulting in a gap between the steel ball and the piston ball seat, causing abnormal noise and reducing the reliability of the compressor
Method used
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[0025] 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 and are intended to explain the present invention and should not be construed as limiting the present invention.
[0026] Refer below figure 1 with figure 2 A piston-connecting rod assembly 100 for a compressor according to an embodiment of the present invention will be described.
[0027] The piston connecting rod assembly 100 for a compressor according to the embodiment of the first aspect of the present invention includes: a piston 10 , a connecting piece 20 , and a connecting rod 30 . Wherein, the piston 10 has a mounting hole 11, the connecting piece 20 includes an inner ring 21 and an outer ring 22, the inner ring 21 and the outer ri...
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The invention discloses a compressor and a piston and connecting rod component for the same. The piston and connecting rod component comprises a piston, a connector and a connecting rod. The piston is provided with a mounting hole. The connector comprises an inner ring and an outer ring, wherein the inner ring is in running fit with the outer ring through a spherical surface, and the outer ring is connected into the mounting hole. The connecting rod is connected with the inner ring. The piston and connecting rod component for the compressor has the advantages of compact structure, convenience in mounting, less wear and lower noise.
Description
technical field [0001] The present invention relates to the technical field of compressors, in particular to a piston connecting rod assembly for a compressor and the compressor. Background technique [0002] In the related art, most of refrigeration equipment such as refrigerators and freezers use hermetic reciprocating piston compressors. The piston of the reciprocating piston compressor usually makes a reciprocating linear motion in the cylinder under the drive of the connecting rod driven by the crankshaft. The piston connecting rod assembly is mainly composed of a piston and a connecting rod. [0003] In the conventional piston connecting rod assembly, the steel ball of the connecting rod is matched with the ball seat of the piston through a spherical surface. The above-mentioned structure has the following disadvantages: since most of the steel balls are in contact with the ball seat of the piston, and the steel ball of the connecting rod is limited by extrusion and d...
Claims
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IPC IPC(8): F04B39/00F04B39/02
Inventor 宋庆华肖帅
Owner ANHUI MEIZHI COMPRESSOR