Pit shaft pressure testing ware

The utility model discloses a pit shaft pressure testing ware belongs to oil field pressure testing instrument technical field. It includes top connection, center tube, fender ring, gasket, steel bushing, leather cup, leather cup seat, lower clutch, the side of top connection is provided with the intercommunicating pore, and the top connection is connected with the center tube, and center tube upper portion is provided with and keeps off the ring, and the center tube periphery is provided with gasket, steel bushing, leather cup and leather cup seat, and the center tube lower extreme is connected with the lower clutch. The utility model discloses a leather cup and sleeve pipe interference are hugged closely and pressure differential is proclaimed oneself, and be sealed reliable, does not need machinery or manpower to sit and seal, does not have the failure problem of sealing of sitting, and annexes such as the tired back leather cup of threading off of the top connection problem in the well of scattering has been solved to its structure, strong adaptability, and easy operation, the activity duration is short, has saved manpower, material resources consumption, has reduced on -the -spot workman's intensity of labour for the job scheduling.