Cup of an automatic massaging breast pump

Abstract

The invention discloses an automatic massage breast pump cup, which comprises an outer cup, an inner cup and an outer ring. The cup is sealed and connected; the outer side wall of the inner cup is provided with at least one sealing spacer integrally formed with it along the circumferential direction, and the inner side wall of the outer cup, the outer side wall of the inner cup and the sealing spacer form a chamber; the outer cup is provided with A trachea that communicates with the chamber. After adopting the above-mentioned structure, the sealing spacer of the inner cup and the inner wall of the outer cup do not move relative to each other during assembly, and there is no huge friction force, so that the outer ring can be tightened more easily, thereby fully ensuring the inner cup The tight fit between the sealing spacer and the inner wall of the outer cup realizes the complete sealing of the massage airbag cavity and provides sufficient and stable force for massage.

Description

technical field [0001] The invention relates to a breast pump. More specifically, it relates to an automatic massaging breast pump cup. Background technique [0002] Most of the breast pumps currently on the market generate negative pressure in the breast shield, thereby forcing the user's breasts to expand and produce milk. Since the negative pressure is used to act on the breasts, it is easy to form a pull on the nipples, which will cause the user's breasts to swell and produce milk. Painful, very uncomfortable. [0003] CN 203710436U discloses a breast shield and a breast pump with such a breast shield. The breast shield is an inner and outer double-layer structure that is closed to each other to form a deformable space. A positive pressure air path with an air pump is arranged in the deformable space. Positive pressure hole for type connection. The positive pressure generated by the air pump in the deformable space is used to squeeze or knead the mother's breast throu...

AI Technical Summary

Problems solved by technology

[0005] There are great defects in the above two technical solutions: if the inner cup (breast pad) and the outer cup are fastened in the form of buckles, when the sealed deformable space (air guide groove) is injected with high-pressure gas to push the inner cup (Breast pad) When doing massage work, due to the inevitable gap between the buckle and the buckle, the gap will be slightly deformed under the push of high-pressure gas, so that the sealing surface at the gap may leak air. This will seriously affect the air pressure value of the airbag cavity, causing the massage force to be uncontrollable or too small; (Hard material cannot be sealed), when the inner and outer cups are turned to screw the thread, due to the huge friction formed by the soft sealing surface of the inner cup and the inner wall of the outer cup, the inner and outer cups cannot be tightened, which will also seriously Affect the seal between the inner and outer cups, resulting in air leakage, resulting in uncontrollable or small massage force

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