| 摘要 |
PROBLEM TO BE SOLVED: To provide a roller pump that can suppress occurrence of entrainment or breakage of a tube.SOLUTION: The roller pump includes: a sun gear 4 provided to the tip end of a drive shaft; three rotating-revolving rollers 5 in which planetary gears 5a to be engaged with the sun gear 4 and an internal tooth 10 are formed; and three revolving rollers 6 in which planetary gears 6a to be engaged with the sun gear 4 and the internal tooth 10 are formed, in the circular recessed part of a center part of a tube case 2. A tube 12 is pressed and held by a tube pressing face 5b, a ring roller 6c, and a guide face 11, and the liquid in the tube 12 is fed by the tube pressing face 5b and the ring roller 6c. |
