| 摘要 |
PROBLEM TO BE SOLVED: To make a grip part of a liquid injection device light.SOLUTION: A liquid injection device includes: an injection pipe; a grip part; a liquid chamber; a connection channel; and a pulsating flow generation part. The injection pipe is a pipe for emitting a jet of liquid. The grip part is an instrument that is attached to the injection pipe to be gripped by a user. The liquid chamber is provided outside the grip part. The connection channel connects the liquid chamber and the injection pipe together. The pulsating flow generation part is provided outside the grip part to make the liquid in the liquid chamber generate a pulsating flow. |
