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公开(公告)号：US20210162248A1
公开(公告)日：2021-06-03
申请号：US16645129
申请日：2018-09-07
摘要： A sprinkler assembly includes a sprinkler body and a tubular connection fitting. The tubular connection fitting includes a first end for connection to a fluid supply pipe and a second end with the sprinkler body inserted therein, the tubular member including an outer surface and an inner surface defining an internal conduit extending along a longitudinal axis, the inner surface of the tubular member includes a first stop surface spaced from the first end to define an insertion depth for the fluid supply pipe and a second stop surface to limit insertion of the sprinkler body into the second end. The first stop surface defines an annular channel for housing an end of the fluid supply pipe.
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公开(公告)号：US20200330807A1
公开(公告)日：2020-10-22
申请号：US16645152
申请日：2018-09-07
IPC分类号： A62C35/68 , B05B15/65 , F16L37/091
摘要： A sprinkler assembly includes a fire protection sprinkler and a push-to-connect-rotate-to-release (PCRR) fitting. The fire protection sprinkler has a body defining an inlet and an outlet, a deflector spaced from the outlet, the body having an outer encasing surface surrounding a first longitudinal axis, the outer encasing surface including a seal member disposed about the encasing surface and a helical surface between the deflector and the seal member. The PCRR fitting includes a tubular member with a first end, a second end, an exterior surface, and an inner surface defining an internal conduit extending along a second longitudinal axis, the body received in the internal conduit such that the first longitudinal axis is axially aligned with the second longitudinal axis, the inner surface including a sealing surface portion circumscribed about the second longitudinal axis. The gripper ring is disposed along the inner surface and in contact with the helical surface.
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