Sealing device for springkler head

Abstract

According to one embodiment, a sealing device for a sprinkler head comprises a drain pipe, a fastening frame fastened to the drain pipe, a cover portion disposed at the end of the fastening frame, and a sealing device disposed within the fastening frame to block the entry of fire extinguishing water, wherein the sealing device is disposed between a first seating groove formed in the drain pipe and a second seating groove formed in a part of the cover portion, and the sealing device comprises: a sealing seating member comprising a first protrusion in a central portion, a seating portion extending from the first protrusion, and a locking portion extending from the seating portion; and a sealing member having a single layer, wherein one surface is in close contact with the first seating groove and the other surface opposite to the first surface is in close contact with the seating portion. The sealing spring cap may include a central second protrusion that is in close contact between the second seating groove and the sealing seating member and is inserted into the first protrusion, a bending portion that is bent from the second protrusion and in close contact with the second seating groove, an inclined portion that extends in an inclined direction from the bending portion, and an edge portion formed at the end of the inclined portion and in close contact with the second seating groove. In addition to this, various embodiments identified through the specification may be possible.