High-pressure isolation device of pressure transmitter

The utility model discloses a high pressure isolation device of a pressure transmitter, which comprises a high pressure isolation assembly used for protecting a pressure transmitter main body, the high pressure isolation assembly comprises a shell, the top of the shell is fixedly connected with an n-shaped frame, the middle part of the n-shaped frame is in threaded connection with a screw rod, and the screw rod penetrates through the top of the shell and is connected to the inner diameter of a bearing. The outer diameter of the bearing is fixedly connected to one end of the rubber column, one end of the shell is provided with a branch pipe, and one end of the branch pipe is in threaded connection with a pressure transmitter body. A rubber column is arranged, a handle is rotated, and a rotating wheel is driven to rotate, so that a screw rod moves up and down on an n-shaped frame, the rubber column at the bottom of the screw rod is driven to move up and down, the rubber column isolates a branch pipe, pressure i