A cylinder structure for axial variable piston pump

• Main Author: LU JIANXIAO
• Format: Patent
• Language: English
• Published: 02.09.2015
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The utility model relates to a cylinder structure for axial variable piston pump, including the columniform body, the centre of body is equipped with the transmission shaft mounting hole, fit with a contraceptive ring and be equipped with the plunger hole in the top plane of body, the plunger hole is parallel with the transmission shaft mounting hole, the bottom of body is equipped with annular recess, the internal surface sintering of recess inlays and is equipped with the protruding copper base who stretches out the recess, the downthehole portion of plunger inlays from the top of body plan position and is equipped with copper bush, copper bush's internal diameter is less than the internal diameter in the step hole of plunger hole bottom portion, the bottom in step hole is the taper shape, the bottom in step hole is equipped with the oilhole parallel with plunger hole center line, the oilhole link up copper base, wheel base between oilhole and the transmission shaft mounting hole is greater than the wheel base between plunger hole and the transmission shaft mounting hole, the both ends of the outer disc of body are equipped with annular step groove respectively. A cylinder structure for axial variable piston pump of this kind of structure, it has the higher and stable better advantage of life.