Breast Pump, Breast Pumping Apparatus and Horn Cover Thereof
AssigneeNingbo Xiaowu Brand Management Co., Ltd.
InventorsQiansheng Ye, Yongliang Wang, Jinwei Xin, Lingfeng Zhao
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Abstract
A breast pumping apparatus includes an integrated device body, a rear cover, and a milk bottle, the device body has a spatially variable milk suction chamber and a milk discharge channel selectively communicated to the milk suction chamber. The rear cover has an air channel and is installed at the rear of the device body, a negative pressure chamber is formed between the device body and the rear cover, the air channel of the rear cover is communicated to the negative pressure chamber. The pressure state of the milk suction chamber and the connectivity state of the milk discharge channel change with the pressure state of the negative pressure chamber.
Claims20
A horn cover for a breast pumping apparatus, having a cover space and comprising an abutting portion located in the cover space, the abutting portion is used to abut against an areola, wherein a surface of the horn cover defining the cover space is a concave arc surface, and a portion of the horn cover defining the cover space is capable of being flipped backward.
Dependencies are inferred from the claim text.