Water-saving check valve

• Main Authors: XIE WANQIAO, HUANG HAIBIN, LUO JINGXUAN
• Format: Patent
• Language: Chinese; English
• Published: 11.01.2022
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The utility model provides a water-saving check valve. The water-saving check valve comprises a valve body, a valve core and a water-saving core, the water-saving core is fixedly arranged in the valve body and is provided with a first water outlet channel and a second water outlet channel which are independent from each other; the valve core is movably matched with the water-saving core and moves between a first position and a second position along the axial direction of the valve body under the action of water pressure; when the water pressure is high, the valve element is located at the first position, and the first water outlet channel is closed; when the water pressure is low, the valve element is located at the second position, and the first water outlet channel is opened; and the second water outlet channel is in a normally open state. The water-saving check valve can meet the requirements of low pressure and large flow. 本实用新型提供了节水止逆阀，包括：阀体、阀芯和节水芯；所述节水芯固定设置在阀体内，并且设置有相互独立的第一出水通道和第二出水通道；所述阀芯和节水芯活动配合，并受水压高