WO2023279497A1

WO2023279497A1 - Integrated electric breast pump

Info

Publication number: WO2023279497A1
Application number: PCT/CN2021/114380
Authority: WO
Inventors: 陈显资
Original assignee: 深圳童品荟科技有限公司
Priority date: 2021-07-08
Filing date: 2021-08-24
Publication date: 2023-01-12
Also published as: CN215460701U

Abstract

An integrated electric breast pump, comprising: a milk collecting cover (1); a horn-shaped body (2), which is installed on a front face of the milk collecting cover (1) in a sealed manner; and a negative pressure pump assembly (3), which is connected to the horn-shaped body (2), wherein an opening used for accommodating a breast is provided in one end of the horn-shaped body (2), and a milk outlet allowing milk to flow out is provided in the other end of the horn-shaped body. A milk storage cavity (11) is arranged between the milk collecting cover (1) and the horn-shaped body (2); an observation hole (12) is provided in the top of the milk storage cavity (11); the milk collecting cover (1) is further provided with a drainage cavity separated from the milk storage cavity (11); the milk outlet of the horn-shaped body (2) is inserted into one end of the drainage cavity in a sealed manner; the other end of the drainage cavity is in communication with the milk storage cavity (11) by means of a one-way valve (13); and the one-way valve (13) only allows milk to flow into the milk storage cavity (11). The integrated electric breast pump integrates components, such as milk storage and milk suction, has an extremely simple structure, has a small size and is convenient to use.

Description

integrated electric breast pump

technical field

The utility model relates to the technical field of maternal and infant products, in particular to an integrated electric breast pump.

Background technique

Breast pumps are used by nursing women in the hospital or at home to express breast milk from the breasts and relieve congestion after expressing with a breast pump. If you have mastitis, a breast pump can be used to express breast milk from the infected breast to aid in the healing process. A breast pump can relieve sore, chapped nipples, and can reveal flat or sunken nipples. Breast pumps also allow mothers to provide a way for mothers to breastfeed babies with sucking problems, cleft lip and palate, or premature babies who cannot be fed directly.

Existing electric breast pumps are usually split-type, relatively large in size, inconvenient to carry, the integration of the main unit and the milk storage accessories is not enough, the appearance is uncoordinated, and it is uncomfortable to wear.

Therefore, how to design an integrated electric breast pump is a technical problem to be solved urgently in the industry.

Utility model content

In order to solve the defects in the prior art, the utility model proposes an integrated electric breast pump, which makes full use of the space on the front and back of the bra collection, has a compact structure, a small number of parts, and is not only easy to carry but also comfortable to wear.

The technical solution adopted by the utility model is to design an integrated electric breast pump, including: a bra set, a horn body sealed and installed on the front of the bra set, a negative pressure pump assembly connected to the horn body, and one end of the horn body is provided for accommodating The opening of the breast and the other end are provided with a milk outlet for flowing milk. There is a milk storage chamber between the breast shield and the horn body, and an observation hole is provided on the top of the milk storage chamber. The breast shield is also provided with a drainage chamber separated from the milk storage chamber. The milk outlet of the horn body is sealed and inserted into one end of the drainage chamber , the other end of the drainage chamber communicates with the milk storage chamber through a one-way valve, and the one-way valve only allows the milk to flow into the milk storage chamber. The milk storage cavity is designed between the horn body and the breast shield, which can make full use of the space on the front of the breast shield, and does not need to design a separate milk storage bottle. The electric breast pump has a compact structure and a small volume.

Preferably, the horn body is detachably installed on the front of the breast shield, the edge of the horn body is provided with a circle of grooves, the edge of the breast shield is provided with an extension inserted into the groove, and the extension is in contact with the groove. The horn body is made of soft rubber, and the slot fits with the extension part, which can facilitate the installation and disassembly of the horn body, and at the same time ensure the tightness of the connection between the horn body and the breast shield.

Preferably, the drainage chamber is composed of an accommodating chamber located at the back of the breast shield and a transfer channel located at the front of the breast shield. corner position. The milk outlet of the horn body is sealed and inserted into the transfer channel, the accommodation cavity is communicated with the transfer channel, and the one-way valve is installed at the bottom of the accommodation cavity. The one-way valve adopts a thin-film reverse flow valve, which is small in size and faster in milk delivery.

Preferably, the integrated electric breast pump also includes: several size plugs that can be changed in size, the size plugs are used to accommodate the nipples and are detachably installed in the milk outlet of the horn body, and the size plugs with different apertures can be adapted to different nipples The size the user uses.

Preferably, the back side of the breast-collecting shield is provided with a face shell, and the negative pressure pump assembly is installed between the face shell and the breast-collecting shield; pump, the suction pipe connecting the negative pressure pump and the suction bowl, and the pressure relief valve for depressurizing the chamber. When the negative pressure pump works, the pressure in the receiving chamber decreases, and the transfer channel absorbs the air in the horn body to form a negative pressure. The breast is squeezed and fitted on the horn body, forcing the milk to flow out, and the milk enters the milk storage chamber through the receiving chamber. When the negative pressure pump stops working, the pressure relief valve opens the air inlet, and the air pressure in the accommodation chamber recovers.

Preferably, the all-in-one electric breast pump also includes: an inner shell that is sealingly connected with the face shell to form the main body shell, the main body shell is detachably installed on the back of the breast shield, and the front of the inner shell is attached to the upper half of the back of the breast shield. combined, the bottom of the inner shell is bent to form a bottom plate, and the surface shell and the inner shell enclose a hollow host chamber, in which the negative pressure pump, exhaust pipe and pressure relief valve are all located. When the main body shell is installed on the back of the breast shield, the bottom plate covers the accommodating cavity and the suction bowl. The main unit as a whole can be disassembled and separated from the breast shield, and the main unit shell has a waterproof design, which is convenient for cleaning and use.

Preferably, the circumference of the accommodating chamber is provided with a lower protrusion protruding toward the bottom plate, the bowl edge of the suction bowl is provided with a folded portion that is mated with the lower protrusion, and the bottom surface of the bottom plate is provided with a protruding portion protruding toward the accommodating chamber. The upper protrusion is inserted into the suction bowl and is in close contact with the bowl wall of the suction bowl, and the bowl edge of the suction bowl is clamped between the upper protrusion and the lower protrusion to close the accommodating cavity. The design of the upper protrusion and the lower protrusion can not only realize the sealing of the suction bowl and the accommodation chamber, but also reliably position the main body shell, and all parts of the electric breast pump can be disassembled and cleaned.

Preferably, the host chamber is also equipped with a control board electrically connected to the negative pressure pump assembly, a battery for powering the control board, and a charging socket connected to the battery. The face shell is provided with a button connected to the control board, and the control board is also wirelessly connected. There is a remote control connected, and the working state of the electric breast pump can be controlled by operating buttons or the remote control, which is very convenient to use.

Preferably, the back of the electric breast pump is in the shape of a hemisphere, and the horn is in the shape of an ellipse, which is more comfortable to wear.

Compared with the prior art, the utility model has the following beneficial effects:

1. The cavity between the horn body and the breast shield is designed as a milk storage cavity, making full use of the front space of the breast shield, and there is no need to design a separate milk storage bottle;

2. The integrated design of the bra set has a one-way valve, which reduces the number of accessories and is easy to clean, and the one-way valve is small in size and fast in feeding speed;

3. A size plug is designed to match the horn body. The size plug can be detachably installed in the milk outlet. Replacement of size plugs with different apertures can be adapted to users with different nipple sizes;

4. The cavity between the inner shell and the surface shell is designed as the host cavity, and the host components such as the negative pressure pump and pressure relief valve of the negative pressure pump assembly are installed in the host cavity, making full use of the space on the back of the breast cover to collect and store milk. , breast pump and other components are integrated into one body, the structure is extremely simplified, small in size and easy to use;

5. The shell of the main unit has a waterproof design, which is easy to clean and use.

Description of drawings

The utility model is described in detail below in conjunction with embodiment and accompanying drawing, wherein:

Fig. 1 is the schematic view of the back of the integrated electric breast pump in the utility model;

Fig. 2 is an exploded schematic diagram of the integrated electric breast pump in the utility model;

Fig. 3 is a three-dimensional schematic diagram of the CIMC bra of the utility model;

Fig. 4 is a schematic sectional view of the CIMC bra of the present utility model;

Fig. 5 is a schematic cross-sectional view of the horn body in the utility model;

Figure 6 is an enlarged schematic view of the dotted line area in Figure 2;

Fig. 7 is a schematic front view of the remote controller of the present invention.

detailed description

In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Therefore, a feature indicated in this specification will be used to describe one of the features of an embodiment of the present invention, rather than implying that every embodiment of the present invention must have the described feature. Furthermore, it should be noted that this specification describes a number of features. Although certain features may be combined to illustrate possible system designs, these features may also be used in other combinations not explicitly described. Thus, the illustrated combinations are not intended to be limiting unless otherwise stated.

The principle of the present utility model will be described in detail below in conjunction with the accompanying drawings and embodiments.

As shown in Figures 1 and 2, the integrated electric breast pump proposed by the utility model includes: a breast shield 1, a horn body 2, a negative pressure pump assembly 3 and a face shell 4, and the horn body 2 is sealed and installed on the breast shield 1. Front, the face shell 4 is located at the back side of the breast shield 1, where the front refers to the side of the breast shield 1 towards the breast during use, and the back refers to the side of the breast shield 1 away from the breast during use.

As shown in Figures 2 and 3, one end of the horn body 2 is provided with an opening for accommodating the breast. , the diameter of the horn body 2 gradually decreases from the opening to the milk outlet. After the horn body 2 and the breast shield 1 are assembled together, the cavity between the horn body 2 and the breast shield 1 forms a milk storage cavity 11, and the breast shield 1 The lower half of the front is sunken toward the back, and the sunken area occupies most of the volume of the milk storage chamber 11, ensuring that the center of gravity of the breast pump is located at the lower half of the breast pump, and there are observation holes on the horn body 2 and the top of the breast shield 1 12, that is, the observation hole 12 is located on the top of the milk storage chamber 11, so as to observe the amount of milk stored in the milk storage chamber 11, and prevent the emulsion in the milk storage chamber 11 from leaking during the sucking process. The observation hole 12 can also be used as a milk pourer Hole use, tilt or invert the electric breast pump, the emulsion in the milk storage cavity 11 flows out from the observation hole 12.

As shown in Figures 3 to 5, the breast shield 1 is also provided with a drainage chamber separated from the milk storage chamber 11, the drainage chamber is located on the side behind the milk storage chamber, and the drainage chamber is located below the main body shell, so that the thickness of the breast shield Reduced to improve wearing comfort. The milk outlet of the horn body is sealed and inserted into one end of the drainage cavity, and the other end of the drainage cavity communicates with the milk storage cavity 11 through the one-way valve 13. The one-way valve 13 only allows the milk to flow into the milk storage cavity. It is discharged into the milk storage chamber 11 to prevent the milk from flowing backwards. In a preferred embodiment, the drainage chamber is made up of an accommodating chamber 16 and a transfer channel 18, the accommodating chamber 16 is located at the back of the breast shield 1, the transfer channel 18 is located at the front center of the breast shield, one side of the accommodating chamber 16 is connected to the transfer channel 18 is connected, the milk outlet of the horn body 2 is inserted into the transfer channel 18, and the outer wall of the milk outlet of the horn body 2 is provided with a ring of convex ring 22, and the convex ring 22 is in contact with the inner wall of the transfer channel 18 to seal the milk outlet with transfer channel 18. The utility model is also designed with a size plug 19 for accommodating nipples. The size plug 19 is detachably installed in the milk outlet, and the size plug 19 with different apertures can be adapted to users with different nipple sizes.

Further, the one-way valve 13 is installed at the bottom of the receiving chamber 16, the wall of the receiving chamber 16 is provided with a drainage groove 17 to guide the flow of milk and gas, and the end of the drainage groove 17 is provided with several through holes communicating with the milk storage chamber 11 , the one-way valve 13 is installed at the end of the drainage groove 17, and the one-way valve 13 adopts a thin-film reverse flow valve. The bottom of the one-way valve 13 is provided with a disc located in the milk storage chamber 11, and the through hole is located directly above the disc. The flap fits against the cavity wall of the milk storage cavity 11 in a natural state to close all the through holes. When in use, the emulsion flows into the accommodating cavity 15 through the transfer channel, and when it flows to the through hole at the end of the drainage tank, the disc of the one-way valve 13 is pushed open to enter the milk storage cavity 11 .

As shown in Figures 3 and 5, the horn body 2 is detachably installed on the front of the breast shield 1, the edge of the horn body 2 is provided with a circle of grooves 21, and the edge of the breast shield 1 is provided with an extension 14 inserted into the groove 21, And the extension part 14 is in contact with the groove 21 to achieve sealing. It should be noted that the horn body 2 is made of soft rubber material, which provides a better user experience, and the insertion cooperation between the groove 21 and the extension part 14 plays a sealing role, realizing the detachable installation of the horn body 2 while ensuring the airtightness.

As shown in FIGS. 2 and 6 , the negative pressure pump assembly 3 is installed between the face shell 4 and the breast shield 1 . Specifically, the negative pressure pump assembly 3 includes: a suction bowl 31, a negative pressure pump 32, a suction pipe, and a pressure relief valve 33. The suction bowl 31 is arranged in the accommodation chamber 15, and the accommodation chamber 15 is provided with an air inlet and an air outlet. The pressure relief valve 33 is installed at the air inlet, and the switch state of the air inlet is controlled by the pressure relief valve 33. The pressure relief valve 33 can be a solenoid valve. It should be noted that the suction bowl 31 can be designed in the shape of an air bag, and it only needs to be placed in the accommodation chamber 15. The suction bowl 31 can also be designed in an open shape. The cavity wall completely separates the cavity in the suction bowl 31 from the accommodating cavity 15 .

The suction pipe is connected to the suction port of the suction bowl 31 and the negative pressure pump 32 , the accommodating cavity 15 communicates with the horn body 2 through a transfer channel, and the negative pressure pump 32 is used to suck the air inside the suction bowl 31 . After the air inside the suction bowl 31 is sucked away, it will deform and shrink, the pressure in the accommodation chamber 15 will drop, and the transfer channel will absorb the air in the horn body 2 to form a negative pressure, and the breast will be squeezed and attached to the horn body 2, forcing the milk to flow , the milk enters the accommodating cavity 15 from the transfer channel, and enters the milk storage cavity through the one-way valve 13 . When the negative pressure pump 32 stops working, the pressure relief valve 33 opens the air inlet, and the air enters the suction bowl 31 to restore it to its original state. During the use of the electric breast pump, the negative pressure pump 32 works intermittently, and the pressure relief valve 33 and the negative pressure pump 32 are turned on alternately. In order to ensure that the air can smoothly flow into the air inlet, there may be a gap at the junction of the face shell 4 and the breast shield 1, and ventilating holes etc. may also be designed on the face shell 4 of course.

As shown in Figure 2, the back of the breast shield 1 is also provided with an inner shell 5, the front of the inner shell 5 matches the shape of the upper half of the back of the breast shield 1, and the inner shell 5 is attached to the upper half of the back of the breast shield 1 during assembly. The bottom of the inner shell 5 is bent to form a bottom plate. The surface shell 4 is located on the bottom plate, and the surface shell 4 and the inner shell 5 are hermetically connected as the main engine shell. The surface shell 4 and the inner shell 5 enclose a hollow main engine cavity, and the negative pressure pump 32, the exhaust pipe and the pressure relief valve 33 are all Located in the cavity of the main engine, the bottom plate covers the accommodation cavity 15 and the suction bowl 31, and both the air inlet and the suction port are arranged on the bottom plate. It should be pointed out that, in order to facilitate disassembly and cleaning of the breast cover, the main body shell is detachably installed on the back of the breast cover 1, that is, the main body shell can be connected or separated from the breast cover. The housing of the main unit has a waterproof design, such as sealing rings, waterproof glue, etc., for easy cleaning and use.

The lower half of the back of the breast shield 1 is provided with a downwardly recessed accommodation chamber 15. From the appearance, the accommodation chamber 15 and the milk storage chamber 11 are respectively positioned at the back and the front of the breast shield 1, and the side of the milk storage chamber 11 lower half is The receiving chamber is arranged at the corner, and the bottom plate is covered on the receiving chamber 15. The receiving chamber 15 and the suction bowl 31 are both open-shaped. The bowl edge of the bowl is provided with an outwardly bent turning portion, and the lower protrusion 16 is inserted into the turning portion, and the bottom surface of the bottom plate is provided with an upper protrusion 51 protruding toward the accommodating cavity 15, and the upper protrusion 51 extends into the In the suction bowl 31, and the upper protrusion 51 is in close contact with the bowl wall of the suction bowl 31, and the bowl edge of the suction bowl 31 is clamped between the upper protrusion 51 and the lower protrusion 16, while the accommodating cavity 15 is closed , to separate the cavity in the suction bowl 31 from the accommodating cavity 15, press down on the host housing so that the folded portion of the suction bowl 31 fits on the bottom plate, and the host housing passes the upper protruding part 51 and the lower protruding part 16 And the interference fit between the suction bowls 31 realizes the connection with the breast shield 1, and the shell of the main unit can be pulled out upwards during disassembly.

Further, as shown in Figures 2 and 7, the host cavity is also equipped with a control board 6 electrically connected to the negative pressure pump group 3, a battery 7 for supplying power to the control board 6, and a charging socket 8 connected to the battery 7, and the face shell The side of 4 is provided with a gap that matches the position of the charging socket 8, and the charging cable is inserted into the charging socket 8 from the gap to charge the battery 7. The top of the cover 4 is provided with a button 9 connected to the control board 6, and the button 9 is located on the cover. 4, the electric breast pump is also provided with a remote control 10, the control board 6 receives the instructions of the remote control 10 through the wireless communication module, and the operation button 8 or the remote control 10 can control the working state of the electric breast pump.

The back of the electric breast pump of the utility model is hemispherical, and the housing of the main machine occupies a 1/4 spherical shape. Certainly, in practical application, the volume of components such as the negative pressure pump assembly 3 can be reduced, that is, the volume of the main body housing can be reduced to increase the volume of the milk storage chamber 11 and increase the milk output.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims

An integrated electric breast pump, comprising: a breast shield, a horn body sealed and mounted on the front of the breast shield, a negative pressure pump assembly connected to the horn body, one end of the horn body is provided with an opening for accommodating the breast 1. The other end is provided with a milk outlet for flowing out milk;

It is characterized in that a milk storage cavity is provided between the breast collecting cover and the horn body, an observation hole is provided on the top of the milk storage cavity, and a drainage tube separate from the milk storage cavity is provided in the breast collecting cover. cavity, the milk outlet of the horn body is sealed into one end of the drainage cavity, and the other end of the drainage cavity communicates with the milk storage cavity through a one-way valve, and the one-way valve only allows milk to flow into the storage cavity. Milk cavity.
The all-in-one electric breast pump according to claim 1, wherein the horn body is detachably mounted on the front of the breast shield, the edge of the horn body is provided with a circle of grooves, and the breast shield The edge is provided with an extension part inserted into the groove, and the extension part is in contact with the groove.
The all-in-one electric breast pump according to claim 1, wherein the drainage chamber is composed of an accommodating chamber located at the back of the breast shield and a transition channel located at the front of the breast shield, and the horn body The milk outlet is sealingly inserted into the transfer channel, the accommodation cavity communicates with the transfer channel, and the one-way valve is installed at the bottom of the accommodation cavity.
The integrated electric breast pump according to claim 3, further comprising: a size plug capable of changing the size, the size plug is used to accommodate the nipple and is detachably installed in the milk outlet of the horn body.
The integrated electric breast pump according to claim 3, wherein a face shell is provided on the back of the breast shield, and the negative pressure pump assembly is installed between the face shell and the breast shield; The negative pressure pump assembly includes: a suction bowl arranged in the accommodating cavity, a negative pressure pump for sucking air in the suction bowl, an air suction pipe connecting the negative pressure pump and the suction bowl, and a suction pipe for the suction bowl. Pressure relief valve to relieve chamber pressure.
The integrated electric breast pump according to claim 5, further comprising: an inner shell, the inner shell is fixedly connected with the face shell to form a main body casing, and the main body casing is detachably installed on the Cover the back of a bra;

The front of the inner shell is attached to the upper half of the back of the breast shield, the bottom of the inner shell is bent to form a bottom plate, the face shell and the inner shell enclose a hollow host cavity, and the negative pressure The pump, the exhaust pipe and the pressure relief valve are all located in the cavity of the main engine;

When the main body casing is installed on the back of the breast shield, the bottom plate covers the accommodating cavity and the suction bowl.
The integrated electric breast pump according to claim 6, characterized in that, a lower protrusion protruding toward the bottom plate is provided on the circumference of the accommodating cavity, and a bowl rim of the suction bowl is provided with a The lower protruding part matches the folded part for insertion, and the bottom surface of the bottom plate is provided with an upper protruding part protruding toward the accommodating chamber, and the upper protruding part is inserted into the suction bowl and is compatible with the suction force The bowl walls of the bowl are in close contact, and the bowl rim of the suction bowl is clamped between the upper protrusion and the lower protrusion to close the accommodating cavity.
The integrated electric breast pump according to claim 6, characterized in that, the host chamber is also equipped with a control board electrically connected to the negative pressure pump assembly, a battery that supplies power to the control board, and a battery connected to the control board. A charging socket connected to the battery, buttons connected to the control main board are arranged on the cover, and a remote controller is wirelessly connected to the control main board.
The integrated electric breast pump according to any one of claims 3 to 8, wherein the accommodating chamber and the milk storage chamber are located on the back and front of the breast shield respectively, and the accommodating chamber is located at The corner position of the lower half of the breast shield.
The integrated electric breast pump according to any one of claims 1 to 8, wherein the back of the electric breast pump is hemispherical, and the horn is elliptical.