Working principle of single sliding piston oil pump

Single slider piston oil pump is a simple oil pump used in common hydraulic system. It is mainly composed of a slider and a group of pistons. The slider is connected with the oil inlet and the oil outlet, and the piston is responsible for pumping the oil from the oil inlet into the oil pump and pushing the oil out of the oil outlet through the pressure difference.

The working principle of single sliding piston oil pump is as follows:

1. When starting to work, the slider is in a rising state and does not contact with the lower piston.

2. The oil flows into the oil pump from the oil inlet and into the working chamber of the piston from above.

3. When the piston moves down, the oil in the oil chamber is pressed into the outlet channel and discharged through the oil outlet.

4. When the piston moves downwards, it contacts with the slider to push the slider to move downwards, and the oil inlet is closed at this time.

5. The piston moves to the bottom, and the oil in the chamber re-enters and fills the working chamber through the suction port.

6. The piston moves upward, so the oil in the piston is pushed to the oil drain.

7. The piston moves to the top, separates from the slider again, returns to the rising state, and the cycle work is completed.

Generally speaking, the single sliding piston oil pump is a simple and efficient hydraulic pump, which is suitable for some occasions with low pressure. The control of flow and pressure can be adjusted according to the size and movement frequency of the piston.