Ceaseless grease injection grease gun

Abstract

Provided is a ceaseless grease injection grease gun. A grease injection cylinder body is installed at the upper portion of a grease storage cylinder. A grease injection pipe is installed on the grease injection cylinder body. A grease push piston is arranged in the grease storage cylinder and supported by a spring. A gun cylinder seal ring is arranged in an annular groove in the grease push piston. A left inlet grease discharge cavity, a right inlet grease discharge cavity and a valve ball cavity are formed in the grease injection cylinder body. A left piston is placed in the left inlet grease discharge cavity. A right piston is placed in the right inlet grease discharge cavity. A left valve port and a right valve port are formed in the grease injection cylinder body. A switch valve ball is placed in the valve ball cavity. The left piston and the right piston are connected together through a linkage plate so that linkage can be achieved. A left grease inlet hole and a right grease inlet hole are formed in the lower portion of the grease injection cylinder body. The grease storage cavity is communicated with the left inlet grease discharge cavity through the left grease inlet hole. The grease storage cavity is communicated with the right inlet grease discharge cavity through the right grease inlet hole. A supporting plate is arranged on the outer side of the grease injection cylinder body. A lever type handle is connected with the right piston through a piston pin shaft in a hinged mode and connected with the supporting plate through a supporting pin shaft in a hinged mode. Bidirectional ceaseless grease injection can be achieved, and work efficiency can be improved.

Description

Technical field: [0001] The invention is a tool for filling lubricating oil to rotating parts of various mechanical devices such as pumping units in oil fields, christmas trees, surface wellhead equipment, and operation and construction equipment, and is a continuous oiling grease gun. Background technique: [0002] During the production process of oil production and water injection in oilfields, various mechanical devices such as pumping units, Christmas trees, surface wellhead equipment, and construction equipment are used in the field and the environment is harsh. In order to ensure the normal operation of these equipment, it is necessary to frequently add lubricating oil to the rotating parts. Since the parts that need to be filled with lubricating oil are mostly located in places with narrow spaces, manual grease guns are used to add lubricating oil to pumping units, Christmas trees, ground wellhead equipment, and construction equipment. The opening and closing handle...

AI Technical Summary

Problems solved by technology

The opening and closing handle of the current grease gun can only squeeze the butter when the handle is compressed, that is to say, half of the current grease gun is empty stroke, resulting in very low work efficiency when filling the above-mentioned equipment with grease, and the maintenance time of the equipment is long. The shutdown time is long, which will affect the output, and the loss of the oil field is large. The labor intensity of the maintenance workers is high, and they are very hard. Due to the free travel, the maintenance workers will have consistent force, which will easily cause the balance of the body to lose control. Balance in a narrow place Safety accidents are prone to occur after loss of control

Images