HAND-HELD BRANCH Russian patent published in 2013 - IPC A62C31/00 

FIELD: fire-prevention facilities.

SUBSTANCE: invention relates to a hand-held branch comprising a housing, a sleeve head at the inlet, and a head of adjustment of the angle of spray pattern of extinguishing media at the outlet, a water damper connected by the rod to the valve plate, and located between the handle and the head of adjustment of the angle of spray pattern the single control unit of flow rate of extinguishing media, comprising the swivel mechanism with roller mounted on the housing, connected through the guide element in the housing to the mounted movably inside the housing by the sleeve of flow with a conical seat, and at the housing inlet a protective grid is installed, the single control unit is made in the form of an elongated and ribbed control sleeve, in which lobes from one side a spring-loaded ball locking mechanism of positions of angular position of the control sleeve is mounted, and from the other - the axis with the roller directed inwards the latter, a guide element is formed by radial window in the housing, and passing through the housing window control sleeve roller is kinematically connected to the sleeve of flow, the sleeve of flow is equipped with flow a longitudinal groove with the movably disposed key fixed in the housing, and the outer cylindrical surface of the housing in an area of location of the ball locking mechanism is equipped with longitudinal grooves, which number corresponds to the number of fixed values of the extinguishing media flow; at the head of adjustment of the angle of spray pattern in the action zone of the latter a turbine-type rotating ring with the ledges-dividers is mounted.

EFFECT: exclusion of the water flow in the process of extinguishing, the possibility of contamination, as well as the exclusion of loss of leak resistance.

1 cl, 2 dwg