The present invention relates to a fluid flow meter, and an object thereof is to improve the value according to the rising indicator and arrangement thereof due to the fluid outlet pressure to the fluid discharge flow so that the indicator can be displayed accurately.
According to the fluid flow meter according to the invention for this purpose; A is the inlet 311 is perforated so that the fluid flows above the center of the upper surface, than that of the inlet 311 and the outlet 312 is perforated so as to leave the fluid out of the side edge, the male screw 313 to the upper end wall a processing base (310 )Wow; The base 310 is installed uprightly on the central upper surface of the inlet 311, upper and lower portions are opened so that fluid communication with, the wall has a longitudinal scale 321 is shown inside tube 320, and; The bottom 331 is coupled is inserted in the inlet 311 of the base 310 and top 332 is coupled is inserted to the lower end of the inner tube 320, a gas passage in the center section 333 is longitudinally perforated by rubber cap 330 and; A fluid installation fitted in the upper gas passage to 333 of the rubber cap 330 is flowing through the unit 333 to the gas passage of the rubber cap 330 to the gas guide so as to guide the inner tube 320 (341) the drilling rod is formed with a holding groove 342, the upper center of a support member 340 and; Lower end the rod-support member 340 is supported coupling inserted into the groove 342 of the top is arranged to extend to the top of the inner tube 320, an indicator 360, the inner tube doedoe installed outside so that the sliding bottom When the fluid flows in a 320 guide rod 350 going up to the upper side and; The inner tube 320 is disposed at the top and the center is coupled fitted with the upper end of the guide rod 350. A plurality of air outlet 372 is the perforated ejection cap 370, the edge of the; The top is closed and the lower end is open to the outlet 312. The fluid exiting through the jet cap 370 is ipseol to abut on the upper edge of the base 310 at the bottom to surround the inner pipe 320, the outer cylinder 380, to guide and; Above is fastened to the male screw 313 of the base 310 by screwing method tightening ring (390) that combines the sealing by the O-ring 314 at the top of the base 310, the lower end of the outer tube 380, of; It characterized in that it comprises.