| 摘要 |
PROBLEM TO BE SOLVED: To provide a piezoelectric drive device capable of further improving impact resistance.SOLUTION: A piezoelectric drive device 1 includes: a laminated piezoelectric element 10, a weight 20; a driving member 22; and a shock absorbing member 24. The weight 20 is connected to one end side in an expanding/contracting direction of the laminated piezoelectric element 10. The driving member 22 has a bottomed cylindrical shape, and stores the other end side in the expanding/contracting direction of the laminated piezoelectric element 10 inside. On an inner surface of a bottom portion of the driving member 22, the other end side in the expanding/contracting direction of the laminated piezoelectric element 10 is connected. The shock absorbing member 24 is disposed between a side surface of the laminated piezoelectric element 10 and an inner wall surface of the driving member 22. |
