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Connecting rod assembly for piston type compressor

A technology of connecting rod assembly and compressor, which is applied in the direction of variable capacity pump components, liquid variable capacity machinery, pump components, etc. Improved accuracy, novel structure, and improved matching accuracy

Inactive Publication Date: 2011-11-02
DALIAN SANYO COMPRESSOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This structural form has many parts and multiple positioning, which increases the manufacturing cost and is not easy to ensure the positioning accuracy

Method used

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  • Connecting rod assembly for piston type compressor
  • Connecting rod assembly for piston type compressor
  • Connecting rod assembly for piston type compressor

Examples

Experimental program
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Embodiment Construction

[0029] The specific embodiment of the present invention is shown in the attached drawings, which is composed of a connecting rod small head 1, a small head ring 2, a shaft 5 and a connecting rod large end device; it is characterized in that one end of the shaft 5 is processed with a connecting rod Small head 1; Small head bushing ring 2 is press-fitted on small shaft hole 3 of small connecting rod 1; Small head boss 4 is processed at the connection between small head 1 and shaft 5; Large connecting rod device adopts Split structure, flat cut 7 divides it into connecting rod big end seat 6 and big end cap 8. The connecting rod big end seat 6 is machined with threaded hole 12, and the big end cap 8 is machined with a positioning hole 13 concentric with the threaded hole 12, and They are connected by positioning bolts 9; the connecting rod big end seat 6 and the shaft 5 are processed into one body; the connecting rod big end seat 6 and the big end cover 8 are each cast with a direc...

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PUM

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Abstract

The invention discloses a connecting rod assembly for a piston type compressor, relating to a split connecting rod assembly with an oil tank. The connecting rod assembly for the piston type compressor comprises a connecting rod small end, a small end bushing ring, a rod body and a connecting rod big end device, wherein the connecting rod small end is machined at one end of the rod body; the small end bushing ring is pressed on a small shaft hole of the connecting rod small end; a small end boss is machined at the connecting position of the connecting rod small end and the rod body; the connecting rod big end device adopts a splitting structure; the connecting rod big end device is divided into a connecting rod big end seat and a big end cover through a flat notch; a thread hole is machined on the connecting rod big end seat; the big end cover is provided with a positioning hole which is concentric with the thread hole, and the connecting rod big end seat is connected with the big end cover through a positioning bolt; the connecting rod big end seat and the rod body are machined into a whole; and direction marks are respectively cast on the same side of the connecting rod big end seat and the big end cover. The invention has the advantages of novel structure, simpleness in machining, easiness in assembly, safety, reliability, precision in positioning, favorable performance, high strength, reduction of mechanical friction, improvement of mechanical efficiency of the compressor, and the like.

Description

Technical field [0001] The connecting rod assembly for a piston compressor of the present invention relates to a split connecting rod assembly with an oil groove. Background technique [0002] At present, in piston machinery, the connecting rod is an important component. The small end of the connecting rod is connected to the piston pin, and the big end of the connecting rod is connected to the crankshaft. The rotary motion of the crankshaft is converted into the reciprocating motion of the piston to complete the working cycle of the compressor. The connecting rod head and the shaft are subject to greater force, which is usually where breakage occurs. Therefore, the transition part needs to be strengthened. The usual method is to use optimized transition fillet to achieve, this method requires complex profile design. [0003] In order to ensure a good fit between the split big end of the connecting rod and the crank of the crankshaft after assembly, a positioning and fastening dev...

Claims

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Application Information

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IPC IPC(8): F04B39/00
Inventor 王枫
Owner DALIAN SANYO COMPRESSOR
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