Leak detection machine for engine oil valve parts

The utility model discloses an engine oil valve part leak detection machine, a valve part is provided with an upper channel port, a side channel port and a lower channel port, the engine oil valve part leak detection machine comprises a rack, a first cylinder, a pressing plate, a pressing piece, a sealing piece, a supporting plate, a second cylinder, a water tank and a mounting frame, the rack is internally provided with a partition plate, and the first cylinder is installed on the top surface of the partition plate; the output end of the first air cylinder penetrates through the partition plate and then is connected with a pressing piece, the supporting plate is fixed below the partition plate, a sealing piece is installed on the supporting plate and can be matched with the pressing piece to seal an upper channel opening and a side channel opening of a valve part, and an air pipe is arranged on the bottom face of the supporting plate. The water tank is contained in the installation frame, a heater is arrange