Title:
TWO-WAY CONTROL GREASE SUCTION DEVICE AND WASTE GREASE RECYCLING DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/180638
Kind Code:
A1
Abstract:
A two-way control grease suction device and a waste grease recycling device. The two-way control grease suction device comprises a housing (1), a piston (2) and a plunger (3). The housing is provided with a piston cavity (12) and a plunger cavity (13) that are communicated with each other, and the diameter of the piston cavity is larger than that of the plunger cavity. The piston is connected with the plunger, and the piston and the plunger are in sliding seal fit with the piston cavity and the plunger cavity, respectively. Grease openings (121) are formed at two ends of the piston cavity. A grease suction opening (131) for feeding grease in one way is formed in a side wall of the plunger cavity (13) and at a position away from a right end surface of the plunger cavity (13) by a predetermined distance. A grease discharge opening (132) is formed in the right end surface of the plunger cavity (13), and is provided with a one-way valve for discharging grease in one way. The piston moves leftwards to drive the plunger to open the grease suction opening. The waste grease recycling device comprises a hydraulic pump (200), a reversing valve (210), at least one two-way control grease suction device, and at least one waste grease collection box (300). The piston moves back and forth in the piston cavity and drives the plunger to move back and forth accordingly, so the lubricating grease is sucked into the plunger cavity via the grease suction opening and is discharged from the plunger cavity via the grease discharge opening.
Inventors:
ZHAO DAPING (CN)
LI JIANHUA (CN)
SI YANKAI (CN)
MA LIFENG (CN)
LI JIANHUA (CN)
SI YANKAI (CN)
MA LIFENG (CN)
Application Number:
PCT/CN2015/079889
Publication Date:
December 03, 2015
Filing Date:
May 27, 2015
Export Citation:
Assignee:
AUTOL TECHNOLOGY CO LTD (CN)
International Classes:
F16N31/00
Foreign References:
| CN104006282A | 2014-08-27 | |||
| CN203836552U | 2014-09-17 | |||
| CN202281023U | 2012-06-20 | |||
| EP0857910A1 | 1998-08-12 | |||
| EP0715118B1 | 1999-12-08 | |||
| US20080044303A1 | 2008-02-21 |
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
北京集佳知识产权代理有限公司 (CN)
北京集佳知识产权代理有限公司 (CN)
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