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Title:
COMPRESSOR AND REFRIGERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/029562
Kind Code:
A1
Abstract:
A compressor and a refrigeration device. The compressor comprises a machine body; a cylinder (3), a piston mechanism provided in the cylinder (3) and a lubricant storage part (5) are provided in the machine body, the lubricant storage part (5) is used for storing a lubricating fluid; an inner wall of the cylinder (3) is provided with a first lubricant storage tank (61), and a lubricant suction valve plate (63) which is elastically deformable being provided in the first lubricant storage tank (61); a lubricant suction conduit (7) is further provided in the machine body, a lubricant suction end (71) of the lubricant suction conduit (7) being in communication with the lubricant storage part (5), and a lubricant discharge end (72) being in communication with the first lubricant storage tank (61) and the communication or blocking thereof being controlled by means of the elastic deformation of the lubricant suction valve plate (63). The compressor can automatically draw, by means of the negative pressure generated by its reciprocating movement during operation, the lubricating fluid to lubricate the piston mechanism, and the automatic lubricant supply operation can be realized without an additional lubricant pump device, simplifying the internal structure of the compressor, and improving the operational stability of the compressor.

Inventors:
YUAN SHANNA (CN)
LIU HUA (CN)
SONG BIN (CN)
GAO SHAN (CN)
WU YUANGANG (CN)
LEE HYEONGKOOK (CN)
Application Number:
CN2019/073422
Publication Date:
February 13, 2020
Filing Date:
January 28, 2019
Export Citation:
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Assignee:
QINGDAO HAIER SMART TECH R & D CO LTD (CN)
International Classes:
F04B39/02
Foreign References:
CN109162898A2019-01-08
CN109058078A2018-12-21
KR20050029397A2005-03-28
CN104033353A2014-09-10
KR20050029417A2005-03-28
CN104454445A2015-03-25
CN104251198A2014-12-31
Attorney, Agent or Firm:
BEIJING KANGSHENG INTELLECTUAL PROPERTY AGENCY CO., LTD (ZHANG, YufengRoom 1166, 11th Floor, Anhua Development Plaza No.35 AnDing Road, Chaoyang District, Beijing 9, 100029, CN)
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