用于制冷压缩机的分体式连杆

Split type connecting rod for refrigeration compressor

Abstract

The utility model provides a split type connecting rod for a refrigeration compressor. The split type connecting rod comprises a big annular column and a connecting rod body. The outer side of the big annular column is provided with a U-shaped socket portion in an integrated mode. The U-shaped socket portion is provided with pin column through holes and a pin hole which is perpendicularly communicated with the pin column through holes. Two ends of the connecting rod body are respectively provided with a small annular column and a plug, and the plug is provided with a horizontal through hole and is arranged inside the U-shaped socket portion. A connecting rod pin column penetrates through the pin column through holes of the U-shaped socket portion and the horizontal through hole of the plug to connect the big annular column with the connecting rod body. The connecting rod pin column is in loose fit with the horizontal through hole in a connecting mode. A pin plug-in hole is disposed in the connecting rod pin column near one end portion of the connecting rod pin column. An elastic locating pin penetrates through the pin hole of the U-shaped socket portion and the pin plug-in hole of the connecting rod pin column in sequence and fixes the connecting rod pin column on the U-shaped socket portion. The elastic locating pin is in interference fit with the pin hole in a connecting mode. The split type connecting rod is installed in the refrigeration compressor, can optimize linkage of a piston, the connecting rod and a crank shaft, and has the advantages of reducing frictional wear of moving parts, improving energy utilization rate of the compressor and prolonging the service life of the compressor.
本实用新型提出一种用于制冷压缩机的分体式连杆,其包括有大环形柱和连接杆,大环形柱的外侧连体设有U形插口部,U形插口部上开有销柱穿孔、和与销柱穿孔垂直相通的销钉孔;连接杆的两端分别具有小环形柱和插头,插头上开有横向穿孔,插头置于U形插口部内,一连杆销柱穿过U形插口部的销柱穿孔和插头的横向穿孔将大环形柱和连接杆连接,连杆销柱与横向穿孔为松配合连接;连杆销柱一端部附近具有销钉插孔,一弹性定位销依次穿入U形插口部的销钉孔和连杆销柱的销钉插孔将连杆销柱定位于U形插口部上,弹性定位销与销钉孔为过盈配合连接。本实用新型安装于制冷压缩机内后能优化活塞、连杆和曲轴的联动,具有降低运动部件摩擦磨损、提高压缩机能量利用率、延长压缩机使用寿命的特点。

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    CN-102720657-AOctober 10, 2012广州万宝集团压缩机有限公司用于制冷压缩机的分体式连杆