Rubber sleeve flow concentrating type flow water content meter

The invention discloses a rubber cylinder flow concentrating type flow water content meter which comprises a lower connector, a screen pipe, a lower protection pipe, a water inlet connector, a structure body, a turbine support, a water outlet pipe and an upper connector which are sequentially and coaxially connected from bottom to top, the screen pipe is internally provided with a crusty pancake, and the lower protection pipe is internally provided with a hydraulic pump, a motor and an oil conveying pipe. A liquid outlet hole of the hydraulic pump is in sealed connection with the first end of the oil conveying pipe, and the motor is connected with the hydraulic pump through a coupler. The outer side of the structure body is sleeved with a rubber sleeve; an axial overflowing channel and a hydraulic oil channel are arranged in the structure body, the oil conveying pipe is communicated with the hydraulic oil channel, and the hydraulic oil channel is communicated with an inner cavity of the rubber sleeve; a turbi