Suction imitation positive and negative pressure breast pump
A positive and negative pressure, breast pump technology, applied to the breast pump and other directions, can solve the problem of unsatisfactory milk discharge effect of the single negative pressure breast pump, and achieve the effects of novel and unique structure, convenient use and good effect.
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[0007] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0008] Depend on figure 1 As shown, the present invention includes a sucking cup, a feeding bottle, a canopy, a sucking cup interface and a negative pressure chamber. , the sucking plate is equipped with an annular elastic air bag 2 of the sucking plate, the annular elastic air bag of the sucking plate is communicated with the vertical strip-shaped exhaust hole 4 of the delayed exhaust device through the exhaust hole 3 and the air duct 19, and the negative pressure chamber 15 The lower part of the shell is equipped with a milk bottle 24, the through hole connecting the negative pressure chamber with the milk bottle is equipped with a silicone piston 17 at the interface of the milk bottle, the negative pressure chamber is equipped with a positive pressure chamber elastic piston 7, and the inner cavity of the positive pressure chamber elastic ...
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