The utility model discloses a kind of anti-falling
oxygen uptake tubes, including sleeve, the sleeve inner wall is the conical shape corresponding with the gas outlet
pipe appearance of
oxygen inhaler, locking rod is set through on the sleeve, the axis of locking rod and sleeve is perpendicular, the locking rod includes the sliding portion of cylindrical and the locking portion of cylindrical fixedly connected in the one end of sliding portion along axial direction, the sleeve is fixedly connected with the sealing
gasket of center opening in its smaller one end, the end of
oxygen delivery tube is fixedly connected with the one end of sleeve close to sealing
gasket and is communicated with the hole of sealing
gasket center, after the gas outlet
pipe is inserted to sleeve, the locking portion is clamped on the
flange on gas outlet
pipe, the sealing gasket is pressed in the outer end of gas outlet pipe.The utility model can be operated by single hand, since sleeve and pipe body are connected by passing through groove and clamping locking portion on the
flange of groove side, sleeve, pipe body and locking portion are all rigid components, even if
oxygen delivery tube is subjected to tension, sleeve and pipe body also cannot be loose.