Low-pressure casting star-shaped dovetail groove type venting plug device

• Main Authors: YE JINRUI, WU JIANBIAO, PANG ZHIQIANG, YE JUELEI, LIU ZHIHONG
• Format: Patent
• Language: Chinese; English
• Published: 28.04.2023
• Subjects: CASTING; CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES; PERFORMING OPERATIONS; POWDER METALLURGY; TRANSPORTING

The utility model discloses a low-pressure casting star-shaped dovetail groove type venting plug device which comprises a fixing rod and a venting plug, a fixing head is arranged at the bottom of the fixing rod, a positioning face is arranged in the middle of the fixing rod, an assembling groove is formed in the top of the fixing rod, a lower venting groove is formed in the outer wall of the fixing head, and the venting plug is arranged in the lower venting groove. During installation, the venting plug is firstly installed on the fixing rod, the assembling connector of the venting plug and the assembling groove of the fixing rod are installed in an inserting mode, the venting plug is convenient to replace after the venting gap shaped like the Chinese character'mi 'is blocked, and the venting plug is convenient to replace after the venting gap shaped like the Chinese character'mi' is blocked. The fixing rod is not prone to damage, easy to assemble and disassemble, stable and not prone to falling off, the exhau