Valve shell vacuum detection device

A valve shell vacuum detection device comprises a detection table, a plurality of box bodies are fixedly connected to the detection table, each box body is provided with a box cover, one side of the detection table is provided with a vacuum pump, an extraction opening of the vacuum pump is connected with an air extraction main pipe, the air extraction main pipe is communicated with the box bodiesthrough a plurality of air extraction branch pipes, negative pressure meters and stop valves are arranged on the air extraction branch pipes, valve shells to be detected are placed in the box bodies,and all ports of the valve shells are sealed through blind plates. Tiny defects of the valve shells can be detected. 一种阀门阀壳真空检测装置，包括检测台，在检测台上固定连接有多个箱体，所述箱体具有箱盖，在检测台一侧设有真空泵，真空泵抽气口连接抽气总管，抽气总管通过多根抽气支管与各箱体连通，在抽气支管上安装有负压表和截止阀，待检测阀壳放置在箱体内，阀壳各端口通过盲板密封。本发明能够检查出阀壳微小缺陷。