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Sealing type single-drive multi-cylinder refrigerating compressor

A refrigeration compressor, closed technology, applied in the direction of machine/engine, liquid variable capacity machinery, mechanical equipment, etc., can solve the problem of low working efficiency of single-cylinder refrigeration compressor, large piston pin wear, and affecting the service life of refrigeration compressor. and other problems, to achieve the effect of low noise, large wear and long service life

Active Publication Date: 2012-11-14
HANGZHOU QIANJIANG REFRIGERATION COMPRESSOR GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a high-efficiency closed single-drive multi-cylinder refrigeration compressor to solve the problem of low working efficiency of the single-cylinder refrigeration compressor in the prior art
[0005] The third object of the present invention is to provide a closed piston pin wear-resistant refrigeration compressor with a long service life of the refrigeration compressor to solve the problem that the piston pin of the refrigeration compressor in the prior art wears a lot and affects the service life of the refrigeration compressor. Single-drive multi-cylinder refrigeration compressor

Method used

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  • Sealing type single-drive multi-cylinder refrigerating compressor
  • Sealing type single-drive multi-cylinder refrigerating compressor
  • Sealing type single-drive multi-cylinder refrigerating compressor

Examples

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Embodiment 1

[0031] in such as figure 1 , figure 2 , image 3 In the shown embodiment 1, a closed single-drive multi-cylinder refrigeration compressor includes a closed shell, the closed shell 12 is formed by welding the upper shell and the lower shell 13, and the control device 21 is arranged outside the shell , the motor 11 is arranged in the housing and connected with the crankshaft 2, the crankshaft is vertically arranged, the lower part of the crankshaft is hollow to form an oil suction pipe 15 extending into the refrigerating machine oil 23, the upper end of the crankshaft is connected to the top cover 19, and a bell crank is provided on the crankshaft 6. In the radial direction of the crankshaft, there is a cylinder driven by the crankshaft through the connecting rod. There are two cylinders. The piston holes 1 of the two cylinders are symmetrically arranged on the body 20 on both sides of the crankshaft. The cylinder is provided with a cylinder The cover 14, the suction valve pl...

Embodiment 2

[0033] in such as Figure 4 In the shown embodiment 2, there are four cylinders, the central axes of the four cylinders and the central axis of the crankshaft are on the same vertical plane, and the piston holes of the cylinders are symmetrically arranged on both sides of the crankshaft in two layers, and the center of the crankshaft On both sides of the line, there are two crank throws that are dislocated up and down. The two crank throws are connected to the pistons on both sides of the crankshaft through two three-hole connecting rods arranged up and down. The three-hole connecting rods are segmented structures, namely: etc. The three-hole connecting rod with thick structure is composed of two connecting rod bodies screwed together (see Figure 8 ), the chute in the middle of the three-hole connecting rod is formed by closing two opposite openings, so that the three-hole connecting rod can be conveniently set on the crank throw. The phase difference between the piston move...

Embodiment 3

[0035] There are four cylinders in embodiment 3, the central axes of the four cylinders and the central axis of the crankshaft are on the same vertical plane, and the piston holes of the cylinders are symmetrically arranged on both sides of the crankshaft in two layers. There are two crank throws that are dislocated up and down, and the two crank throws are connected to the pistons on both sides of the crankshaft through two three-hole connecting rods arranged up and down. The three-hole connecting rods are segmented structures, that is, the three-hole connecting rods are composed of Two sections of connecting rod body are screwed together (see Figure 8 ), the chute in the middle of the three-hole connecting rod is formed by closing two opposite openings, so that the three-hole connecting rod can be conveniently set on the crank throw. The phase difference between the piston motions of the upper and lower cylinders on the same side of the crankshaft is 180 degrees, and each o...

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Abstract

The invention discloses a sealing type single-drive multi-cylinder refrigerating compressor. The compressor comprises a sealing type housing, a motor and a control device, wherein the motor is arranged in the housing and is connected with a crank shaft, the crank shaft is arranged vertically, even numbers of cylinders which are driven by the crank shaft through a connecting rod are arranged on the radial direction of the crank shaft, cylinders are arranged on two opposite sides of the crank shaft in pairs, the crank shaft is connected with pistons which are arranged on the same pairs of cylinders through a three-hole connecting rod, a horizontal chute which is vertical to the length direction of the three-hole connecting rod is arranged in the center of the three-hole connecting rod, and the crank shaft can be connected with the interior of the chute in a sliding mode. By the aid of the compressor, problems that in existing refrigerating compressors of the prior art, working efficiency is low, the vibration is large, the noise pollution is serious, piston pins are abraded and the service life is short are solved. The compressor has the advantages of being stable in operation, low in noise and long in service life. The compressor has high usage value and is worthy of application and popularization.

Description

technical field [0001] The invention relates to a closed refrigeration compressor, in particular to a closed single-drive multi-cylinder refrigeration compressor. Background technique [0002] At present, in refrigerators, freezers and other household appliances using refrigeration compressors, single-cylinder refrigeration compressors with relatively simple structure and low cost are widely used. However, there are also many defects in the single-cylinder refrigeration compressor. First, the motor drives the crankshaft to rotate once, and the refrigeration compressor only performs work once, so the working efficiency of the refrigeration compressor is low; secondly, because the structure of the single-cylinder refrigeration compressor is not Symmetrical structure, so the vibration of the refrigeration compressor is large during the working process, and there is a large noise pollution. For household appliances such as refrigerators and freezers, the large noise will serious...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B39/00F04B39/12
Inventor 高骐高尔发
Owner HANGZHOU QIANJIANG REFRIGERATION COMPRESSOR GRP CO LTD
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