| 摘要 |
FIELD: machine building. ^ SUBSTANCE: invention is provided for automatic control of constant air pressure in adjacent rooms, including shelter room. Excessive pressure valve is described by presence of barrel and pivotally connected to casing by rotary dish located in casing. Dish is connected to casing by steering control of dish. Top end of steering control is rigidly connected to dish. Bottom end of steering control is implemented with movable fixed counterbalance. Middle part of steering control is pivotally connected to casing. Valve is implemented with eccentric clamping of dish to casing. Clamping is installed on casing and its eccentric is located with ability of interaction to steering control and fixation in the working position at closed dish. Steering control of dish is implemented as J-formed with front and bottom parts extending to the side of dish. Rigid connection of top end of steering control to dish is implemented by means of in-cut connection. Stud of threaded connection is screw up into implemented on backside of dish threaded connection. Pivotally connection of front part of steering control to casing is implemented by means of blackets. The latter are implemented on casing. The front part of steering control is located between blackest and connected to it by screws with ability of its rotation relative to blackest around screws. ^ EFFECT: reliability growth of valve actuation in wide range of changing of air pressure in ventilated rooms. ^ 5 cl, 10 dwg |
