Automatic closure valve for discharge of water in toilets with automatic regulation of water pressure. (Machine-translation by Google Translate, not legally binding)

摘要

Automatic shut-off valve for flushing water in toilets with automatic regulation of water pressure, characterized by being made up of a cylindrical tubular body equipped with an upper bypass at right angle of water intake inside which a regulation device is housed automatically the inlet pressure and axially through the bottom the outlet pipe; inside said body a tubular discharge body is housed in a coaxial position, which has an upper projection on which two laterals act, forming a half cylinder of a lever suitably supported and articulated; The discharge tubular body has, at its lower end, the housing of an axial rod on which another rod threaded by the upper part rests on a third rod and sandwiched between both, a bush made of elastic material remains, the upper part of the second being bush and the third housed inside a support piece of the elastic closing piece of the valve in its lower part and in the upper part the piston made of flexible material held by means of a closing plate on which the spring of the recovery supported on the upper cap of the valve body and inside it supports another spring that sits on a cylindrical projection of the third stem which, according to its threaded position on the second, regulates the length of travel of the lever that raises the piston and closes of the valve after overcoming the resistance of the internal spring and later that of the recovery; the valve body plug has a lower cylindrical extension that is conveniently separated from the inner wall of the valve body on which the piston rubs when sliding; Said plug has a threaded hole on one side communicated with the outer chamber established by the plunger and closed by a regulating screw. This hole is communicated through another hole made parallel to the vertical axis of the plug and on the outside of the lower extension so that acting on the aforementioned screw, the upper and lower chambers established by the piston communicate to regulate and retain the valve closing time after the pressure exerted on the lever has ceased to open the valve pushed by the previously described stems that in turn they raise the piston reducing the volume of the upper chamber so that when the pressure on the lever ceases, the aforementioned piston acts as a brake on the action of the recovery spring, slowly lowering the valve closure until it presses against its seat. (Machine-translation by Google Translate, not legally binding)