Portable suck-back prevention smoke dust sampling device

• Main Author: WANG ZERONG
• Format: Patent
• Language: Chinese; English
• Published: 28.04.2023
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The utility model relates to the technical field of smoke dust sampling devices, and discloses a portable anti-suck-back smoke dust sampling device which comprises a box body and a collecting barrel, and a limiting and fixing mechanism is arranged on one side of the box body; the limiting and fixing mechanism comprises a fixing frame and a moving plate, the fixing frame is fixedly installed on one side of the box body, a barrel hole is formed in the top end of the fixing frame, a limiting groove is formed in the bottom end of the inner wall of the fixing frame, the collecting barrel movably penetrates through the barrel hole to be inserted into the limiting groove, and a threaded rod is arranged above the collecting barrel. The collecting barrel can be limited and fixed, the collecting barrel is prevented from falling off from the fixing frame and being damaged, the stability of the collecting barrel on the fixing frame is improved, carrying is more convenient, and the problems that the collecting barrel in a