Weldment detector

The utility model relates to a device used for detecting the sealing performance of welded pieces, which belongs to the class of detecting instruments. The utility model is mainly composed of a bracket, a cam lever, a high pressure chamber, a pressing plate, and a connecting shaft, wherein the high pressure chamber is fixed on the bracket, and the high pressure chamber is externally connected with high pressure gas; the upper part of the high pressure chamber is provided with a work piece mounting groove, and the mounting groove is communicated with the inner part of the high pressure chamber; one end of the pressing plate presses against the upper part of the high pressure chamber, and the pressing plate is provided with a work piece clamping groove corresponding to the work piece mounting groove; the pressing plate is connected and supported by the connecting shaft, and the connecting shaft is supported by a shaft seat; the shaft seat is fixed with the bracket, and the other end of the pressing plate presses against a cam at one end of the cam lever; the cam is fixed with the bracket by a cam shaft seat. The device for detecting welded pieces has the advantages of simple structure, high detecting speed, convenience, and practicability, and can be widely popularized and applied.