| 摘要 |
A valve-type oil feeder contains a shell, a spool and a piston, there are a valve chamber and a piston chamber in the shell, the valve chamber contains a oil inlet, the first outlet and the second outlet, the piston chamber contains a oil intake cavity, a oil discharging cavity and a oil outlet, the oil intake cavity is in communication with the second outlet, the oil discharging cavity is separately in communication with the first outlet and the oil outlet; the spool is set in the valve chamber and is movable between the beginning position and the working position, when it is at the beginning position, the oil inlet ends up at the second outlet, the first outlet is in communication with the second outlet, and when it is at the working position, the oil inlet is in communication with the second outlet, the first outlet ends up at the second outlet. The oil feeder adapts to all kinds of liquids and semi-liquids, all pressure, and all concentration. By controlling the movement of the spool, the oil feeder can conveniently supply lubricant when demanded, and it is easy to regulate the supply amount of the lubricant. The oil feeder has simple structure, abroad application, low producing cost, and reliable run. |
