Piston refrigeration compressor
By incorporating mesh grooves on the inner wall of the cylinder cavity and employing a lightweight piston design, the problems of insufficient lubrication and wear are solved, resulting in a reciprocating refrigeration compressor that is well-lubricated, lightweight, and easy to maintain.
CN224532916UActive Publication Date: 2026-07-21ZHEJIANG DAMING REFRIGERATION TECH CO LTD
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Patent Information
- Authority / Receiving Office
- CN Β· China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG DAMING REFRIGERATION TECH CO LTD
- Filing Date
- 2025-08-29
- Publication Date
- 2026-07-21
AI Technical Summary
Technical Problem
Traditional cylinders suffer from insufficient lubrication, leading to easy wear, high frictional losses, and easily worn connecting rod assemblies that are difficult to replace, thus affecting the performance and lifespan of the compressor.
Method used
The cylinder cavity inner wall is provided with mesh grooves to store lubricating oil, forming an oil film and reducing piston friction; the piston is provided with weight reduction grooves and hollow connecting columns, and the connecting rod is designed as a detachable semi-ring structure for easy maintenance.
Benefits of technology
It improves lubrication, reduces friction and wear, extends cylinder life, enables lightweight design, improves compressor efficiency, and facilitates maintenance and replacement.
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Smart Images
Figure CN224532916U_ABST
Abstract
The utility model discloses a piston type refrigeration compressor, including the casing, be equipped with the cylinder cavity on the casing, be equipped with piston and connecting rod in the cylinder cavity, be equipped with reticular groove on the cylinder cavity inner wall, reticular groove is used for storing lubricating oil, realize the oil film that forms in the cylinder cavity surface, reduce the friction between with piston, and the ridge line of reticular groove is handled and forms the platform, with the smooth transition of cylinder cavity inner wall, be convenient for the distribution and flow of lubricating oil in reticular groove, and the connecting rod includes the rod body, and the both ends of rod body are equipped with the connecting head, and the bottom of piston is equipped with the installation cavity, and the symmetrical connecting column of installation cavity is equipped with, and one connecting head is through the pivot and is located between the connecting column, realizes the rotary connection with piston, and the recess is equipped with in the piston, and the connecting column is hollow and is equipped with the through -hole, and the both sides of installation cavity are equipped with the through groove, realize the lightweight of piston, realize lubrication is sufficient, and the weight is lighter, and the operation is more stable.
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