Angle-adjustable universal elbow

• Main Author: ZHANG YONGSHI
• Format: Patent
• Language: Chinese; English
• Published: 06.12.2022
• 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 discloses an angle-adjustable universal elbow which structurally comprises an end face joint, a connecting joint and a tail joint which are sequentially and mutually nested and made of plastic materials, sealing rings are arranged between the end face joint and the connecting joint and between the connecting joint and the tail joint, a protruding pipe is arranged at the top end of the connecting joint, and a connecting sleeve is arranged at the bottom end of the connecting joint. A connecting sleeve and a protruding pipe are arranged at the bottom end of the end face section and the top end of the tail section respectively, an annular clamping pin arranged around the protruding pipe is arranged on the outer side of the protruding pipe, and a limiting edge is arranged on the outer edge of the connecting sleeve. Meanwhile, the end face joint, the connecting joint and the tail joint can rotate around the axes of the convex pipe and the connecting sleeve, so that the swing angle of the elbow is