Patent ID: 7222678

Claim:
A sprinkler head comprising: a first housing connected to a water supply pipe; a second housing coupled to the first housing; a deflector adhered to the first housing in a sealing-available manner, for spraying water all around at the time of a fire occurrence by being detached from the first housing; a locking unit locked inside the second housing for maintaining the sealing state between the deflector and the first housing; a plurality of heat collecting plates exposed to outside of the ceiling, for heat-collecting at the time of a fire occurrence, each of said plurality of heat collecting plates being arranged such that a gap is defined between said each of said plurality of heat collecting plates and an adjacent one of said plurality of heat collecting plates so that heated air can pass through the gap; a heat responding unit having the fuse metal for releasing the locking state of the locking unit when the fuse metal is melted by heat collected into the heat collecting plates, said plurality of heat collecting plates being in direct contact with the fuse metal; and a head cover mounted at a lower side of the heat responding unit with a certain interval for covering the heat responding unit not to expose to outside and for heat-collecting at the time of a fire occurrence and thereby transmitting the heat to the heat responding unit, said head cover having a disc for heat-collecting, a heat transmission plate attached to the center of an upper surface of the disc, for transmitting heat collected by the disc to the heat responding unit, and a couple member formed at an upper surface of the heat transmission plate and coupled to the heat responding unit.