Shell type high-voltage test structure

The utility model belongs to the technical field of workpiece testing, and discloses a shell type high-voltage testing structure which comprises an integrated board, an extrusion device, a lower testing head and an upper testing head fixed at the top of a pressure testing piece, the bottom of the pressure testing piece is connected with the lower testing head, the integrated board is provided with a testing channel, and the upper testing head is connected with the extrusion device. The pressure testing piece is communicated with testing equipment through the lower testing head and the testing channel, the upper testing head comprises a workpiece connecting column, a sealing sliding rod, a reset spring and a first sealing ring arranged on the sealing sliding rod in a sleeving mode, and a through hole communicated with the pressure testing piece is formed in the workpiece connecting column in a penetrating mode in the vertical direction; the reset spring is located at the bottom of the through hole, and the sea