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1. 发明专利

JPH08322958A ATTACHMENT STRUCTURE OF SPRINKLER HEAD 失效
公开(公告)号：JPH08322958A
公开(公告)日：1996-12-10
申请号：JP15667195
申请日：1995-06-01
申请人： SENJU SPRINKLER KK
发明人： HODOZUKA AKIO , OZAWA AKIHIRO
IPC分类号： A62C31/24 , A62C37/08 , B05B15/06 , F16L37/12
摘要： PURPOSE: To easily perform attachment and replacement of a sprinkler head by forming a projection on an attachment part of a sprinkler head and on one of an inserting part of an inserting joint of the sprinkler head, forming an engaging groove on the other part of the inserting part, and attaching/detaching the attachment part and its inserting joint with each other by means of engagement of the projection and the engaging groove. CONSTITUTION: Projections 13, 13 of the attachment part 12 of a sprinkler head (s) are fitted to longitudinal grooves 3, 3 of an inserting joint (J) when the sprinkler head (s) is attached to the inserting joint (J) which is controlled by screwing a female screw 11 to ceiling pipe arrangement. The sprinkler head (s) is pushed upwardly and pressed to the lower part of the pressing cylinder 8. Furthermore, a compressed spring 10 is pushed up with compressed, and is pushed to be contact with the projections 13, 13 and the upper end of the longitudinal groove. Secondly, the sprinkler head (s) is rotationally moved to right and the projections 13, 13 are rotated 90 deg. along the horizontal groove 4. Here, the pushing force is released and the sprinkler head (s) is pushed down by means of the force of the compressed spring 10, thereby, the projections 13, 13 are locked with the engaging groove 5. This operation is performed reversely when it is detached.

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