Title:
BATTERY-TYPE GREASE GUN CAPABLE OF BEING LOADED WITH VARIOUS GREASE CARTRIDGES
Document Type and Number:
WIPO Patent Application WO/2023/109241
Kind Code:
A1
Abstract:
A battery-type grease gun capable of being loaded with various grease cartridges. The battery-type grease gun comprises a main body shell (1), wherein a convergence base (5) and a grease cylinder (6) are arranged on a lower portion of the main body shell, the grease cylinder is provided with a push rod and a grease cylinder rotary cover (10), the push rod is provided with a handle (11), and the handle is connected to an elongated pull rod (12). The pull rod passes through a central hole of the grease cylinder rotary cover, a sealing ring (17) is arranged at the other end of the pull rod, a sealing ring inner pressing plate (16) and a sealing ring supporting frame (14) are respectively arranged on an inner side of the sealing ring, a washer (18) and a sealing ring outer pressing plate (19) are respectively arranged on an outer side of the sealing ring, and a compression spring (13) is arranged between the sealing ring supporting frame and the grease cylinder rotary cover. The sealing ring, the sealing ring inner pressing plate and the sealing ring outer pressing plate are provided with a fixing hole (22), and a connecting member is configured to pass through the fixing hole and connect the sealing ring, the sealing ring inner pressing plate and the sealing ring outer pressing plate into an integral whole. A cylindrical pin (20) is arranged at the tail end of the pull rod, and an opening is provided at the centre of the sealing ring outer pressing plate and allows the cylindrical pin to pass therethrough. The grease gun can achieve the aim of loading various grease cartridges, and the range of application of the grease gun is increased.
Inventors:
CHEN HUABIN (CN)
CHEN YANQING (CN)
LEI MEIZHEN (CN)
CHEN YANQING (CN)
LEI MEIZHEN (CN)
Application Number:
PCT/CN2022/121156
Publication Date:
June 22, 2023
Filing Date:
September 25, 2022
Export Citation:
Assignee:
JINGYAN MECH & ELECTRICAL TOOLS CO LTD JINHUA (CN)
International Classes:
F16N3/12
Foreign References:
| CN114135781A | 2022-03-04 | |||
| CN216520841U | 2022-05-13 | |||
| CN213207222U | 2021-05-14 | |||
| CN101893159A | 2010-11-24 | |||
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| CN2191347Y | 1995-03-08 | |||
| CN202769228U | 2013-03-06 | |||
| CN205155516U | 2016-04-13 | |||
| US3038768A | 1962-06-12 | |||
| US4247023A | 1981-01-27 | |||
| US20130087583A1 | 2013-04-11 |
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