External anti-falling pipe

• Main Authors: WANG QIWEN, ZHOU CHENGLI
• Format: Patent
• Language: Chinese; English
• Published: 04.11.2022
• 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 field of pipes, in particular to an external anti-falling pipe. Comprising a pipe body, a spigot section and a socket section are arranged at the two axial ends of the pipe body respectively, an external anti-falling piece is fixedly arranged on the socket section, and the external anti-falling piece comprises a body detachably and fixedly arranged on the outer wall of the socket section and clamping teeth fixedly arranged on the body and extending in the direction close to the central axis of the socket section. Through holes which are communicated inside and outside are formed in the positions, corresponding to the clamping teeth, of the socket section, the clamping teeth penetrate through the corresponding through holes from outside to inside and are retained in the socket section, and the body covers outer side ports of the through holes; and a convex part and a concave part are sequentially arranged on the outer wall of the socket section from the end opening in the axial