| 摘要 |
PROBLEM TO BE SOLVED: To provide a sprinkler head having a structure resistant to impact.SOLUTION: The sprinkler head comprises: a head body 10 provided with an outlet 12; a valve element 30 provided at a lower end of or inside the outlet 12; and a valve element support mechanism 50 for supporting the valve element 30. The valve element support mechanism 50 includes: a cylindrical plunger 52 provided with a flange at the lower end thereof; a thermosensitive body 55 provided to the flange of the plunger 52; a thermosensitive plate 71 which is in contact with the thermosensitive body 55 and provided orthogonally to the axial core of the head body 10; a set screw 65 to be connected to the plunger 52, provided between the valve element 30 and the plunger 52; and a balancer 63 provided between the valve element 30 and the thermosensitive body 55, where the plunger 52 and the set screw 65 are penetrated through a through-hole of the inside thereof.SELECTED DRAWING: Figure 6 |
