| 主权项 |
1. A pressure sensor unit to be attached to an air inlet port of an air tool, comprising:
a unit main body including an induction pipe inserting portion configured to receive an air induction pipe projecting from the air tool, the unit main body configured to be detachably attached to the air tool by inserting the air induction pipe into the induction pipe inserting portion; an air passage configured to receive supply of air from the outside and configured to communicate with the induction pipe inserting portion; a pressure sensor configured to measure a pressure inside the air passage; and a valve portion configured to shut off an air supply from the air passage through the induction pipe insertion portion when the air induction pipe is not inserted in the induction pipe inserting portion, and configured to open the air supply from the air passage into the air induction pipe by the valve being pushed by the air induction pipe when the air induction pipe is inserted into the induction pipe inserting portion. |
