Non-return flange for regulating valve

• Main Authors: REN QI, WANG MENGQING, LI QING, SHAO YIQIANG, MA YUZE, WU JIAN, TANG HAOLI, BI JINJIN
• Format: Patent
• Language: Chinese; English
• Published: 15.07.2022
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model relates to the technical field of flanges, in particular to a non-return flange for a regulating valve, which comprises a first disc body, a second disc body and a clamping block, the clamping block is arranged outside the first disc body, a clamping groove is arranged inside the second disc body, the clamping block is inserted into the clamping groove in an embedded mode, and the clamping block is inserted into the clamping groove. The interior of the first disc body is connected with a first pipeline through threads, the interior of the second disc body is connected with a second pipeline through threads, when the two disc bodies are connected, the first disc body and the second disc body are rotated, the clamping blocks are embedded into the clamping grooves along with guiding of the threads, rotation limiting is conducted on the disc bodies, and when the first disc body or the second disc body continues to rotate, the clamping blocks are embedded into the clamping grooves. By means of li