| 摘要 |
A pop-up sprinkler device comprises a housing (2) designed for underground installation, a sprinkler (3) designed to be inserted in the housing, fitting means for hydraulic connection of the sprinkler (3) to external pressurized fluid supply means (3) susceptible of moving it from a lower stop end inoperative position within the housing (2) to an upper stop end operative position outside the housing (2). The sprinkler (3) comprises a water gun (4) of the type having an elongate tubular body (5) and a jet -forming end nozzle (8).
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