Water discharge valve of chamber type positive pressure oxygen breathing apparatus

• Main Authors: CAO YONGHONG, MENG AILING, LIU DAMING
• Format: Patent
• Language: Chinese; English
• Published: 03.02.2010
• Subjects: DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING; FIRE-FIGHTING; HUMAN NECESSITIES; LIFE-SAVING

The utility model discloses a water discharge valve of chamber type positive pressure oxygen breathing apparatus, which belongs to water discharge valves of survival equipment. The water discharge valve comprises a valve body, a water discharge rod, a water discharge joint, and a button. A hollow cavity is arranged at the middle part of the valve body, a concave platform is arranged on the side surface of the hollow cavity, a spring is arranged inside the concave platform and has one end thereof connected with the upper end of the concave platform and the other end thereof connected with the button, the water discharge rod which is a hollow cylinder with the upper end thereof closed is arranged inside the valve body hollow cavity, water discharge holes are arranged on the wall of the waterdischarge rod, the upper end of the water discharge rod is connected with the valve body through an O-shaped seal ring, the lower end of the water discharge rod is connected with the button, the water discharge joint is conn