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Connection structure of crankshaft and connecting rod for compressor

A technology of connecting structure and compressor, which is applied to the components, cranks, mechanical equipment, etc. of pumping devices for elastic fluids, can solve the problems of increased crankshaft torque, increased crankshaft cost, and increased force arms, and achieves operation. The effect of increased efficiency, easier manufacture of crankshafts, and minimal wear

Inactive Publication Date: 2007-10-24
TAIZHOU LG ELECTRONICS REFRIGERATOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, due to the lengthening of the crankshaft (5), there is a problem that the cost of the crankshaft (5) rises
[0010] Finally, in the prior art, the force transmitted from the connecting rod (8) to the piston (7) is applied to the eccentric bushing (5b), resulting in a relative increase in the moment arm (L2), thereby generating a torque on the crankshaft (5) Increased problem

Method used

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  • Connection structure of crankshaft and connecting rod for compressor
  • Connection structure of crankshaft and connecting rod for compressor
  • Connection structure of crankshaft and connecting rod for compressor

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Embodiment Construction

[0037] The present invention will be described in detail below with reference to the accompanying drawings and embodiments.

[0038] As shown in Figures 3 and 4, one side of the frame (20) is provided with a cylinder (22), the inside of the cylinder (22) is provided with a compression chamber (24), and the inside of the compression chamber (24) is provided with a piston (25), The piston compresses the working fluid by making a linear reciprocating motion.

[0039] A valve assembly (26) is provided inside the cylinder (22) for controlling the fluid flowing into the compression chamber (24). The valve assembly (26) is mounted on the cylinder barrel (22) together with the overall cover (28). An output chamber is formed between the total cover (28) and the valve assembly (26). The operating fluid compressed by the compression chamber (24) is output and passes through the output chamber.

[0040] Crankshaft (30) is installed on the frame (20) and can rotate. A rotor is provided...

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Abstract

The invention discloses a linking structure of crankshaft and connecting rod of compressor, belongs to reciprocating-piston type compressor. In the invention, the rotary motion of the crankshaft is converted to the straight reciprocating motion of the piston by the connecting rod. For linking the connecting rod and the crankshaft, a connecting shaft is mounted on the connecting rod and a inserting device is arranged on the eccentric sleeve of the crankshaft. The connecting shaft is put into the inserted device, and the outer surface of the connecting shaft rubs with the inner side of the inserted device. Thus the friction area between the connecting shaft and the inserted device is minimized, the efficient of the compressor is improved. And the inserted device is arranged under the top of the crankshaft equalizing device for minimizing the length of the eccentric sleeve. Shortening the force arm of the moment of piston to the crankshaft can minimize the abrasion of the crankshaft and the frame.

Description

technical field [0001] The present invention relates to a reciprocating piston compressor, in particular to a connecting structure of a crankshaft and a connecting rod of the compressor. Background technique [0002] First, a closed space is formed inside the sealed container (1), and is divided into a container upper part (1t) and a container lower part (1b). A frame (2) is arranged inside the airtight container (1). A stator (3) is fixed under the frame (2), and the stator (3) is fixed inside the sealed container (1) by a spring (2s). Inside the stator (3) there is a rotor (4) rotating due to the interaction between the stator (3) and the electromagnetic force. The rotor (4) rotates integrally with the crankshaft (5) penetrating through the center of the frame (2). [0003] The lower end of the crankshaft (5) is provided with a pump (5d) that sucks oil to the top through the inside of the crankshaft (5). The lubricating oil (L) passing through the pump (5d) is scattere...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B53/14F04B35/04F16C3/22
Inventor 朴聖云
Owner TAIZHOU LG ELECTRONICS REFRIGERATOR CO LTD