IP Library Granted Patent US 12,642,896
Granted Patent B2
US 12,642,896 · App. 18/202,316 · Granted Jun 2, 2026

Easy-pour wearable breast pump

Inventors: Jianfeng Yan (Ningbo, CN); Yangchun Li (Ningbo, CN); Yonghao Wang (Ningbo, CN)
Assignee: Zhejiang Carebao Co., Ltd.
A61M1/064A61M1/067
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Quick Facts
Patent No.
US 12,642,896
App. No.
18/202,316
Granted
Jun 2, 2026
Kind
B2
Abstract

The present disclosure provides an easy-pour wearable breast pump, which includes a milk storage assembly and a host which are mutually detachably connected. The host includes a host housing, a battery and an air pump. The host housing is provided with a first connector. The milk storage assembly includes a milk storage bowl and a seal cap, and the milk storage bowl and the seal cap are connected to form an installation cavity. A suction air bag is installed in the installation cavity. The seal cap is provided with a second connector. The first connector and the second connector are in detachable sealed communicating connection. A milk-pouring port is formed in a top of the milk storage bowl, the suction air bag is not required to be detached during milk pouring, and milk can be poured directly after the host is detached.

Claims (17)

1 . An easy-pour wearable breast pump, comprising a milk storage assembly ( 1 ) and a host ( 2 ) which are mutually detachably connected, wherein the host ( 2 ) comprises a host housing ( 21 ) and a battery ( 22 ) and an air pump ( 23 ) which are installed in the host housing ( 21 ), the air pump ( 23 ) is electrically connected to the battery ( 22 ), and the host housing ( 21 ) is provided with a first connector ( 211 ) communicating with the air pump ( 23 ); the milk storage assembly ( 1 ) comprises a milk storage bowl ( 11 ) and a seal cap ( 12 ) which is in sealed connection with the milk storage bowl ( 11 ), the milk storage bowl ( 11 ) and the seal cap ( 12 ) are connected to form an installation cavity ( 13 ), a suction air bag ( 14 ) is installed in the installation cavity ( 13 ), the seal cap ( 12 ) is provided with a second connector ( 121 ) communicating with the suction air bag ( 14 ), and the first connector ( 211 ) and the second connector ( 121 ) are in detachable sealed communicating connection; and a milk-pouring port ( 111 ) is formed in a top of the milk storage bowl ( 11 ), and when the first connector ( 211 ) and the second connector ( 121 ) are mutually separated, the host ( 2 ) is detached from the milk storage assembly ( 1 ), so as to pour milk in the milk storage bowl ( 11 ) from the milk-pouring port ( 111 );

wherein a groove ( 124 ) is formed in an upper surface of the seal cap ( 12 ), an annular boss ( 212 ) matched with the groove ( 124 ) is formed on a lower surface of the host housing ( 21 ), the first connector ( 211 ) is located in the annular boss ( 212 ), and the second connector ( 121 ) is located in the groove ( 124 ).

2 . The easy-pour wearable breast pump according to claim 1 , wherein during breast pumping operation, a lower surface of the host housing ( 21 ) is attached to an upper surface of the seal cap ( 12 ).

3 . The easy-pour wearable breast pump according to claim 1 , wherein an outer wall of the annular boss ( 212 ) is sleeved with a rubber ring ( 24 ), and during breast pumping operation, the rubber ring ( 24 ) is tightly clamped between an inner wall of the groove ( 124 ) and the outer wall of the annular boss ( 212 ).

4 . The easy-pour wearable breast pump according to claim 1 , wherein the host housing ( 21 ) is provided with a positioning column ( 213 ), and the seal cap ( 12 ) is provided with a positioning groove ( 125 ) matched with the positioning column ( 213 ).

5 . The easy-pour wearable breast pump according to claim 1 , wherein the milk-pouring port ( 111 ) is hinged with a cover plate, and during breast pumping operation, the cover plate covers the milk-pouring port ( 111 ), and during milk pouring operation, the cover plate is opened relative to the milk-pouring port ( 111 ) under the action of gravity, so as to pour the milk in the milk storage bowl ( 11 ).

6 . The easy-pour wearable breast pump according to claim 1 , wherein an outer wall of the milk storage bowl ( 11 ) is provided with a plurality of snap-fit blocks ( 112 ), and the seal cap ( 12 ) is provided with snap-fit grooves ( 122 ) matched with the snap-fit blocks ( 112 ).

7 . The easy-pour wearable breast pump according to claim 1 , wherein an edge of the seal cap ( 12 ) is downwards convexly provided with a fool-proof sheet ( 123 ), and the milk storage bowl ( 11 ) is provided with a notch ( 116 ) for avoiding the fool-proof sheet ( 123 ).

8 . The easy-pour wearable breast pump according to claim 1 , wherein the milk storage assembly ( 1 ) further comprises a breast shield ( 15 ) connected to the milk storage bowl ( 11 ), the milk storage bowl ( 11 ) is provided with an accommodating cavity ( 113 ) used for storing the milk, the accommodating cavity ( 113 ) communicates with the breast shield ( 15 ), the installation cavity ( 13 ) is located in an outer wall of the milk storage bowl ( 11 ), and the installation cavity ( 13 ) is provided with a through hole ( 131 ) communicating with the breast shield ( 15 ).

9 . The easy-pour wearable breast pump according to claim 8 , wherein the breast shield ( 15 ) comprises a breast shield inner ring ( 151 ) and a breast shield outer ring ( 152 ) used for being closely attached to the breast, the milk storage bowl ( 11 ) is provided with a connecting column ( 114 ), two ends of the breast shield inner ring ( 151 ) are connected to the breast shield outer ring ( 152 ) and the connecting column ( 114 ) respectively, and the installation cavity ( 13 ) communicates with the connecting column ( 114 ) through the through hole ( 131 ).

10 . The easy-pour wearable breast pump according to claim 9 , wherein a side wall of the breast shield inner ring ( 151 ) is provided with a milk outlet ( 153 ) communicating with the accommodating cavity ( 113 ), and the milk outlet ( 153 ) is connected with a one-way valve ( 16 ).

11 . The easy-pour wearable breast pump according to claim 9 , wherein a joint of the breast shield inner ring ( 151 ) and the breast shield outer ring ( 152 ) is provided with an anti-backflow portion ( 154 ).

12 . The easy-pour wearable breast pump according to claim 8 , wherein the milk storage bowl ( 11 ) is provided with an opening ( 115 ), and the breast shield ( 15 ) is in sealed connection with the opening ( 115 ) to form the accommodating cavity ( 113 ).

13 . An easy-pour wearable breast pump, comprising a milk storage assembly ( 1 ) and a host ( 2 ) which are mutually detachably connected, wherein the host ( 2 ) comprises a host housing ( 21 ) and a battery ( 22 ) and an air pump ( 23 ) which are installed in the host housing ( 21 ), the air pump ( 23 ) is electrically connected to the battery ( 22 ), and the host housing ( 21 ) is provided with a first connector ( 211 ) communicating with the air pump ( 23 ); the milk storage assembly ( 1 ) comprises a milk storage bowl ( 11 ) and a seal cap ( 12 ) which is in sealed connection with the milk storage bowl ( 11 ), the milk storage bowl ( 11 ) and the seal cap ( 12 ) are connected to form an installation cavity ( 13 ), a suction air bag ( 14 ) is installed in the installation cavity ( 13 ), the seal cap ( 12 ) is provided with a second connector ( 121 ) communicating with the suction air bag ( 14 ), and the first connector ( 211 ) and the second connector ( 121 ) are in detachable sealed communicating connection; and a milk-pouring port ( 111 ) is formed in a top of the milk storage bowl ( 11 ), and when the first connector ( 211 ) and the second connector ( 121 ) are mutually separated, the host ( 2 ) is detached from the milk storage assembly ( 1 ), so as to pour milk in the milk storage bowl ( 11 ) from the milk-pouring port ( 111 );

wherein the milk-pouring port ( 111 ) is hinged with a cover plate, and during breast pumping operation, the cover plate covers the milk-pouring port ( 111 ), and during milk pouring operation, the cover plate is opened relative to the milk-pouring port ( 111 ) under the action of gravity, so as to pour the milk in the milk storage bowl ( 11 ).

14 . An easy-pour wearable breast pump, comprising a milk storage assembly ( 1 ) and a host ( 2 ) which are mutually detachably connected, wherein the host ( 2 ) comprises a host housing ( 21 ) and a battery ( 22 ) and an air pump ( 23 ) which are installed in the host housing ( 21 ), the air pump ( 23 ) is electrically connected to the battery ( 22 ), and the host housing ( 21 ) is provided with a first connector ( 211 ) communicating with the air pump ( 23 ); the milk storage assembly ( 1 ) comprises a milk storage bowl ( 11 ) and a seal cap ( 12 ) which is in sealed connection with the milk storage bowl ( 11 ), the milk storage bowl ( 11 ) and the seal cap ( 12 ) are connected to form an installation cavity ( 13 ), a suction air bag ( 14 ) is installed in the installation cavity ( 13 ), the seal cap ( 12 ) is provided with a second connector ( 121 ) communicating with the suction air bag ( 14 ), and the first connector ( 211 ) and the second connector ( 121 ) are in detachable sealed communicating connection; and a milk-pouring port ( 111 ) is formed in a top of the milk storage bowl ( 11 ), and when the first connector ( 211 ) and the second connector ( 121 ) are mutually separated, the host ( 2 ) is detached from the milk storage assembly ( 1 ), so as to pour milk in the milk storage bowl ( 11 ) from the milk-pouring port ( 111 );

wherein an edge of the seal cap ( 12 ) is downwards convexly provided with a fool-proof sheet ( 123 ), and the milk storage bowl ( 11 ) is provided with a notch ( 116 ) for avoiding the fool-proof sheet ( 123 ).

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 26, 2023
From: YAN, JIANFENG; LI, YANGCHUN; WANG, YONGHAO
To: ZHEJIANG CAREBAO CO., LTD.
Reel/Frame 063788/0362 →
Priority Claims (1)
CN 202321145742.4 · May 12, 2023 · national
Continuity (1)
Related Publication 20240374795A1 · Nov 14, 2024
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