WO2023237029A1 - Breast pump - Google Patents

Abstract

A breast pump, which comprises a housing (10), a breast-attaching enclosure (31), a negative pressure assembly (40), and a deformable suction force portion; the housing (10) is provided with a milk storage cavity (111) and a negative pressure cavity (112); the breast-attaching enclosure (31) comprises a flange used for attaching to the breast and a nipple channel (312) for placing the nipple, the nipple channel (312) being in communication with the milk storage cavity (111); the negative pressure assembly (40) is used for providing negative pressure to the negative pressure cavity (112); the deformable suction force portion is connected in a sealed manner to a cavity opening of the negative pressure cavity (112), and negative pressure provided by the negative pressure assembly (40) is transmitted to the breast-attaching enclosure (31), so as to allow one side of the deformable suction force portion to be in communication with the negative pressure cavity (112). The present invention facilitates daily use of the breast pump.

Description

breast pump

This application claims priority to the Chinese patent application with application number 202310611728.7, filed on May 26, 2023, and the US patent application with application number 17/837,193, filed on June 10, 2022, the entire contents of which are incorporated by reference. incorporated in this application.

Technical field

The present application relates to the technical field of breast pumping equipment, and in particular to a breast pump.

Background technique

As we all know, when a mother gives birth to a baby, she cannot secrete milk in time and the baby cannot breastfeed naturally and smoothly, so she needs to use breast-sucking tools to make her produce milk in time; and some mothers have excess sucking capacity compared to the baby after giving birth, causing the mother's breasts to If you feel pain and swelling, you also need a breast pump to suck out the excess milk.

Currently, electric breast pumps are commonly used on the market. This type of electric breast pump usually includes a breast pump body, a bra cover, a negative pressure conductor and a feeding bottle. The feeding bottle, bra covering and breast pump unit are connected to each other through a three-way piece. This type of product has many accessories and is difficult for users to assemble. , inconvenient to use; at the same time, because there are many parts that need to be sealed and assembled, it is easy to cause assembly errors, air leakage and other problems, which affects the normal use of the product. When using the breast pump, the user needs to hold the bra with one hand to press the breast. , the other hand operates the breast pump body, which makes the user's operation cumbersome, and cleaning after use is also troublesome, making it inconvenient for daily use.

technical problem

The main purpose of this application is to provide a breast pump designed to facilitate the daily use of the breast pump.

Technical solutions

In order to achieve the above purpose, the breast pump proposed in this application includes:

A housing, which is provided with a milk storage chamber and a negative pressure chamber;

A bra-fitting bra, including a flange used to fit the breast and a nipple channel suitable for placing the nipple, and the nipple channel is connected with the milk storage cavity;

a negative pressure component for providing negative pressure to the negative pressure chamber; and

Deformation suction part, the deformation suction part is sealingly connected to the mouth of the negative pressure chamber, and transmits the negative pressure provided by the negative pressure component to the bra so that one side of the deformation suction part communicates with the The negative pressure chamber.

In one embodiment, the deformation suction part is configured as a suction bowl.

In one embodiment, the suction bowl is sleeved on the opening of the negative pressure chamber.

In one embodiment, the suction bowl includes a deformation main body and a deformation flange formed from the deformation main body, and the mouth of the negative pressure chamber is embedded between the deformation main body and the deformation flange. , the deformation flange is fitted to the outer wall of the negative pressure chamber and/or the deformation main body is fitted to the inner wall of the negative pressure chamber.

In one embodiment, the breast pump includes a connecting piece. One side of the connecting piece is connected to the nipple channel, the other side is in contact with the inner wall of the deformation body, and/or the other side is in contact with the flange. Fits to deliver negative pressure to the nipple passage.

In one embodiment, the bra is flexible, and the connecting piece is integrally provided with the bra.

In one embodiment, at least one of the connecting piece and the bra is provided with a milk flow port connected to the milk storage cavity.

In one embodiment, the suction bowl is arranged opposite to the nipple channel or the suction bowl is arranged coaxially with the nipple channel.

In one embodiment, the negative pressure chamber is arranged opposite to the nipple channel or the negative pressure chamber and the nipple channel are arranged coaxially.

In one embodiment, the negative pressure chamber is formed on the inner wall of the center of the front side of the housing.

In one embodiment, the bottom of the suction bowl is corrugated.

In one embodiment, the housing is further provided with an installation cavity, the installation cavity is adjacent to the negative pressure cavity, and the negative pressure component is installed in the installation cavity.

In one embodiment, the negative pressure assembly includes a negative pressure generator and a negative pressure tube. A vent hole is provided on the wall between the negative pressure chamber and the installation chamber. Both ends of the negative pressure tube They are respectively connected with the air outlet of the negative pressure generating member and the vent hole.

In one embodiment, the installation cavity is provided with an air guide column connected to the ventilation hole, and the seal of the negative pressure tube is connected to the air guide column.

In one embodiment, the bra and the housing are connected to form the milk storage cavity.

In one embodiment, a third opening is provided at one end of the deformation suction part, and a milk flow port is provided on a side of the deformation suction part close to the third opening, and the milk flow port is used to communicate with the storage tank. Milk cavity, the deformation suction part includes a columnar connection part and a cone-shaped deformation part. When the deformation suction part is inserted into the negative pressure chamber, the outer wall of the connection part is close to the inner wall of the negative pressure chamber. .

In one embodiment, the negative pressure component and the installation cavity form a negative pressure part, the negative pressure part is connected with the negative pressure cavity, the entire housing is hemispherical, and the arc shape of the housing The outer surface is used to fit the inner surface of the bra.

In one embodiment, the deformation part is provided with a deformation cavity communicated with the third opening, the bra is in the shape of a trumpet, and the narrow end of the bra is provided with a milk inlet. When the bra is When the narrow end is inserted into the third opening, the outer wall of the narrow end of the bra-fitting bra is in close contact with the inner wall of the connecting portion, and the milk inlet is connected to the deformation chamber.

In one embodiment, the inner wall of the connecting portion is provided with a slot, the milk flow opening is provided at the slot, and the slot is used to connect the milk flow opening and the deformation chamber.

In one embodiment, a sealing block is protruding from the outer wall of the narrow end of the bra bra. When the narrow end of the bra bra is inserted into the third opening, the sealing block is inserted into the slot.

In one embodiment, a contact block is provided on the side of the outer wall of the narrow end of the bra cover away from the sealing block. When the narrow end of the bra cover is inserted into the third opening, the contact block The block 324 is in contact with the inner wall of the connecting portion.

In one embodiment, the deformation part is provided with support ribs, and the support ribs are spaced apart from the side walls of the deformation part.

In one embodiment, the wide end of the bra bra is provided with a locking groove on the outside, and the edge of the housing is protruding with a locking block. When the narrow end of the bra bra is inserted into the third opening, the The clamping block is clamped in the clamping slot, and the bra-fitting cover is closed in the milk storage cavity.

In one embodiment, the inner wall of the milk storage chamber is provided with a through hole connecting the milk storage chamber and the atmosphere, the housing is provided with a sealing cover, one end of the sealing cover is connected to the outer surface of the main body, and the The other end of the sealing cover is detachably covered with the through hole.

In one embodiment, the milk storage chamber and the negative pressure chamber form a milk storage part. The outer surface of the milk storage part is provided with bumps, and the outer surface of the negative pressure part is provided with grooves. When the negative pressure part is When the pressure part is connected to the milk storage part, the convex block is engaged with the groove; the outer surface of the milk storage part is provided with an insertion block, and the outer surface of the negative pressure part is provided with an insertion groove. When the negative pressure part is connected to the milk storage part, the insertion block is engaged with the insertion slot.

beneficial effects

The breast pump in the technical solution of this application includes a casing, a bra cup, a negative pressure component and a deformable suction part. The casing is provided with a milk storage chamber and a negative pressure chamber. The negative pressure component is installed on the casing and is used to supply negative pressure to the casing. The cavity provides negative pressure, and the bra bra includes a flange for fitting the breast and a nipple channel suitable for placing the nipple. Further, the deformation suction part is sealingly connected to the mouth of the negative pressure cavity, and the negative pressure provided by the negative pressure component is The pressure is transmitted to the bra, so that one side of the deformable suction part is connected to the negative pressure chamber, so that the pressure in the negative pressure chamber is continuously changed through the negative pressure component, so that the deformable suction part simulates the baby's sucking action, thereby promoting the nipple to secrete milk. At the same time, due to The nipple channel and the milk storage cavity are connected, and the breast and the flange fit together, so that a relatively closed space is formed between the flange and the nipple channel. The negative pressure component not only changes the pressure of the negative pressure cavity, but also due to the deformation suction The deformation generated during the sucking process of the nipple also changes the pressure in the nipple channel, thereby pushing the milk in the nipple channel to flow into the milk storage chamber, and then the milk storage chamber, negative pressure chamber, etc. are integrated into the shell. The user only needs to hold the housing with one hand to complete breast pumping, which facilitates the user's daily use of the breast pump.

Description of the drawings

In order to explain the embodiments of the present application or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on the structures shown in these drawings without exerting creative efforts.

Figure 1 is an exploded view of the breast pump of the present application from one perspective;

Figure 2 is a bottom view of the first housing in the breast pump of the present application;

Figure 3 is a cross-sectional view of the breast pump of the present application;

Figure 4 is a cross-section of the suction bowl of the breast pump of the present application;

Figure 5 is a front view of the first housing in the breast pump of the present application;

Figure 6 is a schematic structural diagram of the breast pump of the present application with a bra attached from one perspective;

Figure 7 is a schematic structural diagram of the bra and connecting piece in the breast pump of the present application;

Figure 8 is a front view of the breast pump of the present application;

Figure 9 is a schematic diagram of the overall structure from a first angle of another embodiment of the breast pump of the present application;

Figure 10 is a schematic diagram of the overall structure of the breast pump from a second angle according to another embodiment of the present application;

Figure 11 is a schematic diagram of the first angle exploded structure of another embodiment of the breast pump of the present application;

Figure 12 is a schematic exploded structural diagram from a second angle of another embodiment of the breast pump of the present application;

Figure 13 is a schematic diagram of the exploded structure from a third angle of another embodiment of the breast pump of the present application;

Figure 14 is a schematic cross-sectional structural diagram of another embodiment of the breast pump of the present application;

Figure 15 is an enlarged view of position A in Figure 14;

Figure 16 is a schematic cross-sectional structural view of another embodiment of the breast pump of the present application in use;

Figure 17 is a schematic diagram of the overall structure of the deformation suction part of another embodiment of the breast pump of the present application.

Explanation of reference numbers:

label	name	label	name
10	case	twenty one	Deformation subject
11	first shell	twenty two	Deformation flanging
111	milk storage cavity	31	bra
112	Negative pressure chamber	311	flange
113	Milk outlet groove	312	Nipple channel
114	vent	32	Connector
115	Air guide column	321	Milk spout
116	Installation cavity	33	Check valve
12	second housing	40	Negative pressure components
13	Charging interface	41	Negative pressure generator
14	Function buttons	42	Negative pressure tube
20	Deformation suction part	50	Dust cover
150	insert slot	210	Connector
110	Milk storage department	220	Deformation Department
301	Fitting part	240	Deformation cavity
230	third opening	310	milk inlet
212	Grooving	323	sealing block
324	Butt block	221	Support ribs
331	Snap slot	122	block
124	Through hole	125	Sealing cover
126	first arc surface	127	second arc surface
120	suction port	128	Bump
130	sealing ring	129	plug-in block
140	groove	302	Installation department
101	Negative pressure department	​	​

The realization of the purpose, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings.

Embodiments of the invention

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of this application.

It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of this application are only used to explain the relationship between components in a specific posture (as shown in the drawings). Relative positional relationship, movement conditions, etc., if the specific posture changes, the directional indication will also change accordingly.

In this application, unless otherwise clearly stated and limited, the terms "connection", "fixing", etc. should be understood in a broad sense. For example, "fixing" can be a fixed connection, a detachable connection, or an integral body; it can It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two elements or an interactive relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

In addition, descriptions involving "first", "second", etc. in this application are for descriptive purposes only and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of indicated technical features. Therefore, features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, "and/or" in the full text includes three solutions, taking A and/or B as an example, including technical solution A, technical solution B, and technical solutions that satisfy both A and B at the same time; in addition, between various embodiments, The technical solutions can be combined with each other, but it must be based on what a person of ordinary skill in the art can realize. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that such a combination of technical solutions does not exist and is not required by this application. within the scope of protection.

Referring to Figures 1 to 3, this application proposes a breast pump, including:

Housing 10, the housing 10 is provided with a milk storage chamber 111 and a negative pressure chamber 112;

The bra 31 includes a flange 311 for fitting with the breast and a nipple channel 312 suitable for placing the nipple. The nipple channel 312 is connected with the milk storage cavity 111;

Negative pressure component 40 is used to provide negative pressure to the negative pressure chamber 112; and

The deformation suction part is sealingly connected to the opening of the negative pressure chamber 112 and transmits the negative pressure provided by the negative pressure component 40 to the bra 31 so that a part of the deformation suction part The side is connected to the negative pressure chamber 112 .

The breast pump in the technical solution of this application includes a casing, a bra 31, a negative pressure component 40 and a deformable suction part. The casing is provided with a milk storage chamber 111 and a negative pressure chamber 112. The negative pressure component 40 is installed in the casing. And used to provide negative pressure to the negative pressure chamber 112. The bra 31 includes a flange 311 for fitting with the breast and a nipple channel 312 suitable for placing the nipple. Further, the deformation suction part is sealingly connected to the negative pressure chamber 112. port, and transmit the negative pressure provided by the negative pressure component 40 to the bra 31, so that one side of the deformation suction part is connected to the negative pressure chamber 112, so that the pressure in the negative pressure chamber 112 is continuously changed through the negative pressure component 40 to achieve deformation suction. The whole part simulates the baby's sucking action, thereby prompting the nipple to secrete milk. At the same time, because the nipple channel 312 is connected with the milk storage chamber 111, and the breast and the flange 311 fit together, the flange 311 and the nipple channel 312 form a relative In the closed space, the negative pressure component 40 not only changes the pressure of the negative pressure chamber 112, but also changes the pressure in the nipple channel 312 due to the deformation of the deformation suction part during the sucking process, thereby pushing the milk in the nipple channel 312 It flows into the milk storage chamber 111, and then the milk storage chamber 111, the negative pressure chamber 112, etc. are integrated into the housing, so that the user only needs to hold the housing with one hand to complete breast pumping, which facilitates the user to use the breast pump. of daily use.

Referring to Figures 3 and 4, in this embodiment, the deformation suction part is configured as a deformation suction part 20, where the deformation suction part 20 is made of flexible material such as rubber, silicone, etc., so that the negative pressure component 40 drives the deformation suction part 20 to generate deform, thereby simulating the sucking action, and flexible materials such as rubber and silicone have a soft feeling when contacting human skin, thus reducing damage to the user's skin and improving the user's experience; of course, in other embodiments, the The deformation suction part is provided in a tapered shape.

Specifically, the deformation suction part 20 is sleeved on the opening of the negative pressure chamber 112. By sleeve-on, the sealed connection between the deformation suction part 20 and the wall of the negative pressure cavity 112 can be achieved, and at the same time, The method facilitates the installation of the deformable suction part 20, so that after the user finishes using the breast pump, he or she can directly pull out the deformable suction part 20 from the mouth of the negative pressure chamber 112 without the need for other auxiliary tools. Complete the cleaning work of the breast pump, thereby facilitating the user's daily cleaning, thereby improving the user's experience. Of course, in other embodiments, it can also be done between the deformation suction part 20 and the cavity wall of the negative pressure cavity 112 One is provided with an external thread, and the other is provided with an internal thread. By threading the deformation suction part 20 to the cavity wall of the negative pressure chamber 112, the deformation suction part 20 is sealed and connected to the cavity mouth of the negative pressure chamber 112. at.

Further, the deformation suction part 20 includes a deformation main body 21 and a deformation flange 22 formed from the deformation main body 21 , and the mouth of the negative pressure chamber 112 is embedded in the deformation main body 21 and the deformation flange 22 . Between the flanges 22, the deformation flange 22 is attached to the outer wall of the negative pressure chamber 112 and/or the deformation main body 21 is attached to the inner wall of the negative pressure chamber 112. When installed, Through the sealing fit between the deformation flange 22 and the outer wall of the negative pressure chamber 112 and/or the sealing fit between the deformation body 21 and the inner wall of the negative pressure chamber 112 , even if the deformation suction part 20 is not completely sleeved in the negative pressure chamber The mouth of the negative pressure chamber 112 can also have a sealing effect to prevent milk from flowing into the negative pressure chamber 112, and because the negative pressure suction direction and the installation direction between the deformation suction part 20 and the mouth of the negative pressure chamber 112 are the same, under the action of negative pressure suction , it can help the deformation suction part 20 to be further sleeved on the opening of the negative pressure chamber 112 to achieve a tight connection. Through the cooperation of the deformation flange 22 and the deformation main body 21, the distance between the deformation suction part 20 and the cavity wall of the negative pressure chamber 112 is further increased. The sealing effect further increases the stability of the breast pump, and also facilitates the installation and disassembly of the deformable suction part 20, which facilitates the user's cleaning work after use, thereby increasing the user's experience.

Referring to Figures 1 and 7, in this embodiment, the breast pump includes a connecting piece 32. One side of the connecting piece 32 is connected to the nipple channel 312, and the other side is in contact with the inner wall of the deformable body 21. And/or the other side is attached to the flange to transmit the negative pressure to the nipple channel 312, and serves to connect the bra 31 and the deformation suction part 20 through the connector 32. When installed, in a In this method, the connector 32 is plugged into the inner side of the deformation body 21 and can radially squeeze the deformation body 21 to make the deformation body 21 and the inner wall of the negative pressure chamber 112 fit more closely, thus strengthening the connection between the deformation suction part 20 and the negative pressure chamber 112 . To improve the sealing effect of the pressure chamber 112, in another way, the connector 32 is sleeved on the outside of the flange and can radially squeeze the flange, so that the flange and the outer wall of the mouth of the negative pressure chamber 112 fit more closely, and thus Strengthen the sealing effect between the deformation suction part 20 and the negative pressure chamber 112, so that when the deformation suction part 20 is sucked under the influence of the negative pressure component 40, it can also change the pressure in the nipple channel 312, so that the milk in the nipple channel 312 can be Smoothly flows into the milk storage cavity 111.

In one embodiment, the bra 31 is flexible, and the connector 32 is integrally provided with the bra 31 . The integral arrangement reduces the sealing connection between the connector 32 and the bra 31 , and at the same time, the bra 31 Being a flexible material also prevents the bra 31 from abrading the skin when it fits the breast, thereby improving the user's experience. The flexible material may be rubber, silicone or other materials.

At least one of the connector 32 and the bra 31 is provided with a milk flow port 321 connected to the milk storage chamber 111. Through the milk flow port 321, the nipple channel 312 is connected to the milk storage chamber 111. The breast pump also includes a check valve 33, which is installed on the milk flow. Through the check valve 33, the milk can only flow from the milk flow port 321 into the milk storage chamber 111, thus avoiding the risk of milk storage. The breast milk in the cavity 111 flows back, so that the user can complete the breast sucking process in various postures such as standing, sitting, leaning forward, leaning back, etc.; of course, in other embodiments, it can also be a one-way valve.

In one embodiment, the deformation suction part 20 is arranged opposite to the nipple channel 312 or the deformation suction part 20 and the nipple channel 312 are arranged coaxially, so that when using a breast pump to suck milk, inhalation can be performed at the same time. The areola and nipple reduce the pain of pulling the nipple and help secrete milk, thus greatly improving the user's experience and comfort.

In one embodiment, the negative pressure chamber 112 and the nipple channel 312 are arranged oppositely or the negative pressure chamber 112 and the nipple channel 312 are arranged coaxially, so that the negative pressure in the negative pressure chamber 112 can be uniform. Acts on the deformation suction part 20, and then acts evenly on the nipple in the nipple channel 312, so that when using a breast pump to suck milk, the areola and the nipple can be sucked in at the same time, reducing the pain of pulling the nipple, and helping to secrete milk. , which greatly improves the user’s experience and comfort.

In one embodiment, the negative pressure cavity 112 is formed on the inner wall of the center of the front side of the housing 10 , thereby facilitating the processing and molding of the negative pressure cavity 112 , reducing the processing cost of the negative pressure cavity 112 , and at the same time The negative pressure chamber 112 is integrated into the housing 10, so that the user only needs to hold the housing 10 with one hand to complete the breast pumping work, thereby facilitating the user's daily use of the breast pump.

Specifically, the bottom of the bowl of the deformation suction part 20 is in a pleated shape. It is understandable that different people's nipples have different sizes. By being arranged in a pleated shape, larger nipples can also be extended into the deformation suction part. At the same time, The deformation amount of the pleat part is small, so that the deformation suction part can basically maintain the shape of the deformation suction part 20, thereby maintaining the stability of the deformation suction part 20, and improving the milk sucking effect of the breast pump.

In this embodiment, the bra cover 31 covers the opening of the milk storage cavity 111. Therefore, the milk storage cavity 111 is formed by enclosing the bra cover 31 and the shell, so that the user can The bra 31 can be directly disassembled and the milk storage chamber 111 can be directly cleaned. The opening of the milk storage chamber 111 is larger, thereby facilitating the cleaning of the milk storage chamber 111 and improving the cleaning efficiency.

Specifically, an annular flange is provided at the outer edge of the shell, and an annular sealing groove is provided on the side of the bra 31 facing the shell. The shell is limited in the annular sealing groove by the annular flange, so that the shell is sealingly connected to the It is attached to the bra 31, thereby not only improving the installation efficiency between the shell and the bra 31, but also improving the sealing effect between the two.

Referring to Figures 1 and 8, further, a milk discharge groove 113 is recessed on the edge of the milk storage chamber 111. The milk discharge groove 113 is connected with the milk storage chamber 111. Through the milk discharge groove 113, the milk discharge groove 113 can The breast milk in the milk storage chamber 111 is poured out, and at the same time, it can be connected to the atmosphere through the milk outlet groove 113, thereby ensuring the stability of the air pressure in the milk storage chamber 111 and ensuring the maximum milk storage effect of the milk storage chamber 111; In an embodiment, a sealing cover can be provided at the opening of the milk outlet groove 113 to prevent breast milk from flowing out of the milk outlet groove 113 during the sucking process; of course, in another embodiment, it can also be done by closing the milk outlet groove 113 . The opening of the milk groove 113 is set upward. At this time, there is no need to provide a sealing cover, and there is no need to worry about breast milk flowing out from the opening of the milk outlet groove 113.

Referring to Figures 1 and 5, the housing is also provided with an installation cavity 116, which is adjacent to the negative pressure cavity 112. The negative pressure component 40 is installed in the installation cavity 116, and passes through the housing. The body separates the milk storage chamber 111 and the installation chamber 116, so that the milk storage chamber 111 can be directly cleaned during cleaning without considering the interference of the negative pressure component 40, thus improving the cleaning efficiency of the user.

In this embodiment, the housing includes a first housing 11 and a second housing 12 detachably connected to the first housing 11. The negative pressure chamber 112 and the milk storage chamber 111 form a On the side of the first housing 11 facing the bra 31 , the installation cavity 116 is formed between the first housing 11 and the second housing 12 and is located in the first housing 11 . The side of the body 11 facing away from the bra 31; the negative pressure chamber 112, the installation chamber 116 and the milk storage chamber 111 are all provided in the first housing 11, and the second housing 12 Installed at the opening of the installation cavity 116 .

Referring to Figure 8, the first housing 11 and the second housing 12 are both arranged in an arc shape, and the first housing 11 and the second housing 12 are spliced into a hemispherical shape. The hemispherical shape is not only convenient for the user to hold, but also when using the breast pump, the bra-fitting bra 31 of the breast pump can be fitted to the breast, and then the side of the shell away from the bra-fitting bra 31 is in contact with the inner wall of the bra, so that the breast pump can be sucked The breast pump is clamped between the bra and the human body, so that the user does not have to hold the breast pump all the time during the breast pumping process, freeing up both hands and improving the user's convenience and experience.

Referring to Figures 1 and 3, specifically, the negative pressure assembly 40 includes a negative pressure generator 41 and a negative pressure tube 42, and a vent hole is provided on the cavity wall between the negative pressure cavity 112 and the installation cavity 116. 114. Both ends of the negative pressure tube 42 are connected to the air outlet of the negative pressure generating member 41 and the vent hole 114 respectively.

In one embodiment, the installation cavity 116 is provided with an air guide column 115 connected to the ventilation hole 114 , the negative pressure tube 42 is sealingly connected to the air guide column 115 , and the air guide column 115 is inserted into On the suction port, on the one hand, the connection between the negative pressure chamber 112 and the air guide column 115 is realized, thereby realizing the connection between the suction component and the negative pressure; on the other hand, it can also prevent the air guide column 115 from being connected with the negative pressure tube 42 Detachment improves the stability of the breast pump and facilitates user use.

Furthermore, a sealing ring can also be provided on the outer wall surface of the air guide column 115 or the inner wall surface of the negative pressure pipe 42. When the air guide column 115 is installed in the negative pressure pipe 42, the sealing ring is sandwiched between the negative pressure pipe 42 and the guide pipe 42. between the air columns 115, thereby increasing the sealing effect between the negative pressure tube 42 and the air guide column 115, thereby improving the working efficiency of the negative pressure generating component 41, and at the same time, it can also prevent the air guide column 115 from being separated from the air suction assembly. , improves the stability of the breast pump and facilitates user use.

Understandably, the user will clean the breast pump once after using it, and then put it aside to wait for the next use. During the placement process, the bra 31 will be directly exposed to the air, and then contaminated with dirt in the air. Therefore, In this embodiment, the breast pump further includes a dust cover 50. The dust cover 50 is detachably located on the side of the bra 31 away from the housing, so that the breast pump can be used when idle. When in use, the dust-proof cover 50 is closed, which greatly reduces the possibility of contamination of the bra 31. The user can use it directly or simply scrub it the next time it is used, thereby improving convenience.

Specifically, the outer edge of the dust cover 50 is flipped toward the direction close to the shell to form a buckle groove, and the outer edge of the bra 31 is formed with a convex edge, so that the dust cover 50 is buckled on the convex edge through the buckle groove, thereby It facilitates the installation and disassembly of the dust cover 50 and improves convenience. At the same time, the dust cover 50 also protects the outer edge of the bra bra 31 and increases the dust-proof area of the bra bra 31 .

Referring to Figure 8, in this embodiment, the housing can also be provided with a charging interface 13, a plurality of function buttons 14, prompts, etc., the charging interface 13 and the function buttons 14 are provided on the second housing 12, and the installation cavity 116 A power module, etc. can also be installed inside, so that the user does not need to connect an external power supply during daily use, thereby improving the safety of the device. At the same time, multiple function buttons 14 are used to control the operation of the negative pressure generator 41 and adjust the negative pressure generator. 41 negative pressure range, and control the switch operation of the breast pump; the reminder piece can be used to remind the user when the milk volume in the milk storage chamber 111 reaches a predetermined value to avoid breast milk overflow.

The bra 31 is connected to the housing 10 to form the milk storage cavity 111, so that the user can directly tilt the milk storage cavity 111 after disassembling the bra 31, and the opening of the milk storage cavity 111 is larger. This makes it easier for users to clean the breast pump directly by hand, thereby greatly reducing the workload when cleaning the breast pump and improving the user experience.

Referring to Figures 9 to 17, another embodiment of the breast pump of the present application is shown.

The negative pressure component 40 is disposed in the installation cavity 116 to form the negative pressure part 101. The negative pressure cavity 112 and the milk storage chamber 111 form the milk storage part 110. It can be understood that in this embodiment, the housing part of the breast pump is It is divided into a negative pressure part 101 and a milk storage part 110.

The deformation suction part 20 is provided with a third opening 230 at one end. The deformation suction part 20 is provided with a milk flow port 321 on one side close to the third opening 230. The milk flow port 321 is used to communicate with the storage tank. The milk storage cavity 111 of the milk part 110;

The bra 31 is in the shape of a trumpet, and the narrow end of the bra 31 is sealingly inserted into the third opening 230 .

Through the arrangement of the above structure, the negative pressure part 101 is connected to the negative pressure chamber 112, and the deformation suction part is sealed and inserted into the negative pressure chamber 112. During use, the periodic negative pressure generated by the negative pressure part 101 directly acts on the deformation suction part. The deformable suction part deforms and resets in stages to generate suction and suck breast milk. The narrow end of the trumpet-shaped bra-sticking bra is connected to the opening to accommodate the user's nipples, while the wide end of the trumpet-shaped bra-sticking bra has a smooth transition and is suitable for It fits the breast and maintains a seal, effectively improving the efficiency of milk pumping and giving users a better user experience; and the milk flow port is set on the side of the deformable suction part close to the opening, allowing users to For example, standing, sitting, lying on one side or lying on the back can ensure that the milk in the deformable suction part flows out from the milk outlet and is stored in the milk storage part 110; the elastic deformable suction part can not only realize the collection and circulation of milk, but also It can generate and transmit negative pressure. At the same time, compared with traditional breast pumps, it has a simpler structure and fewer accessories that need to be connected. It effectively reduces many problems such as poor air tightness, poor milk-sucking efficiency, and difficulty in cleaning caused by improper connection of accessories. At the same time, the negative pressure part 101 is detachably connected to the milk storage part 110. The negative pressure part 101, which contains many electrical components, can be detached by the user when cleaning, preventing the washing liquid from flowing into the negative pressure part 101, and ensuring the safety of the negative pressure part 101. Service life. At the same time, when the negative pressure part 101 or the milk storage part 110 is accidentally damaged, the components can be replaced in time, which is convenient for users, reduces user losses, and extends the service life of the product in disguise.

In this embodiment, a check valve 33 is provided at the milk flow port 321 , and the check valve 33 is used to directionally allow milk to flow from the deformation suction part 20 into the milk storage part 110 of the breast pump. Through the arrangement of the above structure, the arrangement of the check valve can ensure the directional flow of milk, so that the milk flows directionally from the deformation suction part to the milk storage part 110, improving the collection efficiency of milk; in one embodiment, the check valve can be a duck Duckbill valve has a simple, stable structure, good effect and low price.

In this embodiment, the deformation suction part 20 includes a columnar connecting part 210 and a cone-shaped deformation part 220. The negative pressure chamber 112 is columnar. When the deformation suction part 20 is inserted into the negative pressure chamber 112 At this time, the outer wall of the connecting portion 210 is in close contact with the inner wall of the negative pressure chamber 112 . Through the arrangement of the above structure, the columnar connection part cooperates with the columnar negative pressure chamber, which is easy to assemble and disassemble, and it is easier to achieve sealing. The outer wall of the connection part is close to the inner wall of the negative pressure chamber, so that the staged negative pressure generated by the negative pressure part 101 acts In the deformation part, the deformation part is deformed/reset in stages, so as to better pump milk; and the inner wall of the cone-shaped deformation part is an inclined curved surface, which allows the milk entering the deformation part to flow downward under the action of gravity. , flows out through the milk flow port, further improving the efficiency of milk collection. Even if the user lies on the side or leans back, the milk can still flow into the milk storage part 110. It is suitable for a variety of usage scenarios and is convenient for users.

In this embodiment, the deformation part 220 is provided with a deformation cavity 240 connected with the third opening 230, and the narrow end of the bra 31 is provided with a milk inlet 310. When the narrow end of the bra 31 is inserted into When installed in the third opening 230 , the outer wall of the narrow end of the bra 31 is in close contact with the inner wall of the connecting portion 210 , and the milk inlet 310 is connected to the deformation chamber 240 . Through the arrangement of the above structure, the outer wall of the narrow end of the bra bra is in close contact with the inner wall of the connecting part, thereby achieving a sealed connection between the bra bra and the deformation suction part 20. The milk inlet is connected to the deformation cavity of the deformation suction part 20, allowing milk to flow into The milk in the deformation cavity flows out through the milk outlet and is stored in the milk storage part 110 .

In this embodiment, a slot 212 is provided on the inner wall of the connecting portion 210, and the milk flow port 321 is provided at the slot 212. The slot 212 is used to connect the milk flow port 321 and the deformation Cavity 240. Through the arrangement of the above structure, the slot is provided on the inner wall of the connection part, which allows the milk flow port to be connected with the deformation chamber, ensuring that the milk in the deformation chamber can effectively flow out through the milk flow port, improving the flow efficiency of milk, and thus improving the user's use experience.

In this embodiment, a sealing block 323 is protruding from the outer wall of the narrow end of the bra 31. When the narrow end of the bra 31 is inserted into the third opening 230, the sealing block 323 is inserted into the third opening 230. The groove 212 is described. Through the arrangement of the above structure, the sealing block 323 is inserted into the slot, which can ensure the airtightness of the product and prevent gas or milk from flowing in or out of the slot. While ensuring the connection between the milk flow port and the deformation chamber, it can also ensure The product is airtight, has a simple structure and is practical.

In this embodiment, a contact block 324 is provided on the outer wall of the narrow end of the bra 31 on the side away from the sealing block 323. When the narrow end of the bra 31 is inserted into the third opening 230, The contact block 324 is in contact with the inner wall of the connecting portion 210 . Through the arrangement of the above structure, the abutment block 324 abuts against the inner wall of the connection part, so that the connection between the outer wall of the connection part and the inner wall of the negative pressure chamber is closer, further improving the airtightness of the product, and the abutment block 324 is attached to the narrow end outer wall of the bra It forms a bridge-like structure with the sealing block and forms a flow channel above the milk outlet to ensure the connection between the milk outlet and the negative pressure chamber and improve the collection and flow efficiency of milk.

In this embodiment, the deformation part 220 is provided with support ribs 221 , and the support ribs 221 are spaced apart on the side walls of the deformation part 220 . Through the arrangement of the above structure, the support rib structure is stable. Under the action of the negative pressure part 101, the deformation amount is small, and the basic conical shape of the deformation part can be maintained; during use, most users' nipples are placed on the insertion However, some users have long nipples, and the front part of the nipple may extend into the deformation part. The setting of the support ribs can better protect the nipples of such users, keep the deformation part in its basic shape, and prevent the deformation part from forming. Clamping the nipple during staged deformation gives the user a better experience; moreover, keeping the deformation part in a basic conical structure can also ensure the slope of the inner wall of the deformation part, accelerate the flow of milk in the deformation cavity, and expel the deformation cavity as quickly as possible. Empty for better milk collection.

In this embodiment, a locking slot 331 is provided on the outside of the wide end of the bra 31, and a locking block 122 is protruding from the edge of the main body 10. When the narrow end of the bra 31 is inserted into the third opening, At 230 , the clamping block 122 is clamped in the clamping groove 331 , and the bra-fitting cover 31 covers the milk storage cavity 123 of the milk storage part 110 . Through the arrangement of the above structure, the clamping block is clamped in the clamping groove, which can achieve a sealed connection between the edge of the main body and the edge of the bra, making the product form a stable whole and improving the stability of the product; and this type of structure is easy to disassemble and assemble. , which can be easily removed for cleaning or installation and use; at the same time, the bra cover fits the milk storage cavity to ensure the sealing of the milk storage cavity, effectively utilizing the space of the product, reducing the volume of the product, and making it convenient for users to pump milk The device is placed in the bra, freeing the user's hands; the milk storage part 110 itself also has a connection function, without the need for additional connection components, which reduces the user's operating steps, is convenient for the user, and also reduces the number of parts that need to be cleaned. Effectively improve user experience.

In this embodiment, the inner wall of the milk storage chamber 123 is provided with a through hole 124 that connects the milk storage chamber 123 with the atmosphere. The main body 10 is provided with a sealing cover 125. One end of the sealing cover 125 is connected to the outside of the main body. On the surface, the other end of the sealing cover 125 is detachably covered with the through hole 124 . Through the arrangement of the above structure, when in use, the sealing cover 125 is closed with the through hole to ensure the sealing performance of the product and prevent the milk from flowing out; after collecting the milk, the sealing cover can be opened, and the milk storage cavity can be removed through the through hole. The milk is poured out, which greatly facilitates the user's use.

In this embodiment, the milk storage part 110 is provided with a first arc surface 126, and the negative pressure part 101 is provided with a second arc surface 127. When the negative pressure part 101 is connected to the milk storage part 110, The first arc surface 126 and the second arc surface 127 form an arc-shaped outer surface, and the arc-shaped outer surface is used to fit the inner surface of the bra. Through the arrangement of the above structure, the first arc surface and the second arc surface form a smooth arc-shaped outer surface, which can facilitate the user to place the product into the bra, free the user's hands, and allow the user to do other things while using the product. work, and the curved outer surface better fits the inner surface of the bra, which can also prevent the product from falling, improving the stability, safety and convenience of product use.

In this embodiment, the negative pressure part 101 is provided with a suction port 120, and the milk storage part 110 is provided with an air guide column 115. The air guide column 115 is connected to the negative pressure chamber 112. When the negative pressure chamber 112 is When the pressing part 101 is connected to the milk storage part 110, the suction port 120 is connected to the air guide column 115. Through the arrangement of the above structure, the air guide column is inserted into the suction port, which on the one hand realizes the communication between the suction port and the air guide column, and then realizes the communication between the negative pressure part 101 and the negative pressure chamber. On the other hand, it can also prevent The air guide column is separated from the negative pressure part 101, which increases the stability of the product and is convenient for users to use.

In this embodiment, a sealing ring 130 is provided inside the suction port 120. When the negative pressure part 101 is connected to the milk storage part 110, the inner wall of the sealing ring 130 is close to the air guide column 115. On the outer wall surface, the outer wall of the sealing ring 130 is close to the side wall of the air guide column 115 . Through the arrangement of the above structure, the sealing ring has elasticity. When the negative pressure part 101 is connected to the milk storage part 110, the air guide column is inserted into the suction port, and the sealing ring can effectively seal the gap between the air guide and the suction port, ensuring The airtightness of the product also allows the air guide column to be fixed and the negative pressure part 101 to be fixed to prevent the negative pressure part 101 and the milk storage part 110 from moving toward each other in the horizontal direction.

In this embodiment, the outer surface of the milk storage part 110 is provided with bumps 128, and the outer surface of the negative pressure part 101 is provided with grooves 140. When the negative pressure part 101 is connected to the milk storage part 110, The protrusion 128 is engaged with the groove 140 . Through the arrangement of the above structure, the bumps are engaged with the grooves, which can realize the fixation of the milk storage part 110 and the negative pressure part 101, prevent the negative pressure part 101 and the milk storage part 110 from moving towards each other in the vertical direction, and effectively improve the stability of the product. It is convenient for users to load and unload the negative pressure part 101.

In this embodiment, the outer surface of the milk storage part 110 is provided with an insertion block 129, and the outer surface of the negative pressure part 101 is provided with an insertion slot 150. When the negative pressure part 101 is connected to the milk storage part 110 At this time, the insertion block 129 is engaged with the insertion slot 150 . Through the arrangement of the above structure, the milk storage part 110 and the negative pressure part 101 can be further fixed by arranging the insertion block and the insertion slot, and the width of the insertion block gradually becomes wider from bottom to top, allowing the user to be more flexible during the insertion process. Conveniently, the plug-in block can slide along the plug-in slot until it reaches the installation position, making it safer and more stable.

In this embodiment, the bra 31 includes a plastic insertion part 302 and an elastic fitting part 301. The insertion part 302 is located at the narrow end of the bra 31, and the fitting part 301 is located at the narrow end of the bra 31. Attach the wide end of the bra 31. Through the arrangement of the above structure, the plastic insertion part can make the connection between the insertion part, the deformation suction part 20 and the negative pressure cavity more stable. The outer surface of the insertion part is close to the inner surface of the deformation suction part 20 and the inner wall of the negative pressure cavity is close to On the outer surface of the deformation suction part 20, the side wall of the deformation suction part 20 is clamped between the insertion part and the negative pressure chamber, making the product structure more stable, and the elastic fitting part can undergo a certain deformation, and the clamping block is clamped When engaging the slot, the deformation of the fitting part helps the user to install or disassemble, making it convenient for the user to operate. The elastic fitting part fits the user's breast, making the user feel more comfortable and improving the user's experience.

In this embodiment, a charging port 13 is provided on the side of the negative pressure part 101 facing the milk storage part 110. When the negative pressure part 101 is connected to the milk storage part 110, the milk storage part 110 covers the charging port 13 . Through the arrangement of the above structure, the charging port is arranged on the side of the negative pressure part 101 facing the milk storage part 110. When the negative pressure part 101 and the milk storage part 110 are assembled, the charging port can be effectively hidden, preventing the charging port from being exposed, and effectively preventing Water, dust and other impurities cannot enter the charging port to protect the use of the product.

The above are only optional embodiments of the present application, and are not intended to limit the patent scope of the present application. Under the inventive concept of the present application, any equivalent structural transformation made by using the contents of the description and drawings of the present application, or direct/indirect Application in other related technical fields is included in the scope of patent protection of this application.

Claims (24)

1. A breast pump, which includes

   A housing, which is provided with a milk storage chamber and a negative pressure chamber;

   A bra-fitting bra, including a flange used to fit the breast and a nipple channel suitable for placing the nipple, and the nipple channel is connected with the milk storage cavity;

   a negative pressure component for providing negative pressure to the negative pressure chamber; and

   The deformation suction part is sealingly connected to the mouth of the negative pressure chamber to transmit the negative pressure provided by the negative pressure component to the nipple channel.
2. The breast pump according to claim 1, wherein the deformation suction part is configured as a suction bowl, and the bottom of the suction bowl is corrugated.
3. The breast pump according to claim 1, wherein the deformation suction part is sleeved on the mouth of the negative pressure chamber.
4. The breast pump according to claim 1, wherein the deformation suction part includes a deformation main body and a deformation flange formed from the deformation main body, and the mouth of the negative pressure chamber is embedded in the deformation main body. and the deformation flange, the deformation flange is attached to the outer wall of the negative pressure chamber and/or the deformation main body is attached to the inner wall of the negative pressure chamber.
5. The breast pump according to claim 4, wherein the breast pump includes a connecting piece, one side of which is connected to the nipple channel, and the other side of which is in contact with the inner wall of the deformation body and/or another side. One side is attached to the flange to transmit negative pressure to the nipple channel through the deformation suction part.
6. The breast pump as claimed in claim 5, wherein the bra is flexible, and the connecting piece is integrally provided with the bra.
7. The breast pump as claimed in claim 6, wherein at least one of the connecting piece and the bra is provided with a milk flow port connected to the milk storage chamber.
8. The breast pump as claimed in claim 2, wherein the deformation suction part is arranged opposite to the nipple passage or the suction bowl is coaxially arranged with the nipple passage.
9. The breast pump as claimed in claim 1, wherein the negative pressure chamber is arranged opposite to the nipple channel or the negative pressure chamber is coaxially arranged with the nipple channel.
10. The breast pump as claimed in claim 1, wherein the negative pressure chamber is formed on the inner wall of the central position of the front side of the housing.
11. The breast pump according to any one of claims 1 to 10, wherein the housing is further provided with an installation cavity, the installation cavity is adjacent to the negative pressure cavity, and the negative pressure component is installed in the inside the installation cavity.
12. The breast pump according to claim 11, wherein the negative pressure component includes a negative pressure generating member and a negative pressure tube, and a vent hole is provided on the wall between the negative pressure chamber and the installation chamber, so Both ends of the negative pressure tube are connected to the air outlet of the negative pressure generating member and the vent hole respectively.
13. The breast pump according to claim 12, wherein an air guide column connected to the ventilation hole is provided in the installation cavity, and the seal of the negative pressure tube is connected to the air guide column.
14. The breast pump according to any one of claims 1 to 10, wherein the breast shield is connected to the housing to form the milk storage chamber.
15. The breast pump according to claim 1, wherein a third opening is provided at one end of the deformation suction part, and a milk flow port is provided on a side of the deformation suction part close to the third opening, and the milk flow port To communicate with the milk storage chamber, the deformation suction part includes a cylindrical connection part and a tapered deformation part. When the deformation suction part is inserted into the negative pressure chamber, the outer wall of the connection part is in close contact with on the inner wall of the negative pressure chamber.
16. The breast pump according to claim 15, wherein the negative pressure component and the installation cavity form a negative pressure part, the negative pressure part is connected with the negative pressure cavity, and the entire housing is hemispherical, The arc-shaped outer surface of the shell is used to fit the inner surface of the bra-fitting bra.
17. The breast pump according to claim 15, wherein the deformation part is provided with a deformation cavity connected to the third opening, the bra-adhering bra is in the shape of a trumpet, and the narrow end of the bra-attachment bra is provided with a milk inlet. When the narrow end of the bra is inserted into the third opening, the outer wall of the narrow end of the bra is in close contact with the inner wall of the connecting portion, and the milk inlet is connected to the deformation cavity.
18. The breast pump of claim 15, wherein the inner wall of the connecting portion is provided with a slot, the milk flow port is disposed at the slot, and the slot is used to connect the milk flow port with the Describe the deformation cavity.
19. The breast pump of claim 17, wherein a sealing block is protruding from the outer wall of the narrow end of the bra, and when the narrow end of the bra is inserted into the third opening, the sealing block is inserted into the third opening. Installed in the slot.
20. The breast pump according to claim 17, wherein a contact block is provided on the side of the outer wall of the narrow end of the bra bra that is away from the sealing block. When the narrow end of the bra bra is inserted into the third When opening, the contact block 324 contacts the inner wall of the connecting portion.
21. The breast pump according to claim 15, wherein the deformation part is provided with support ribs, and the support ribs are spaced apart on the side walls of the deformation part.
22. The breast pump according to claim 15, wherein a snap-in groove is provided on the outside of the wide end of the bra-sticker, and a locking block is protruding from the edge of the housing. When the narrow end of the bra-sticker is inserted into the When the third opening is opened, the clamping block is clamped in the clamping groove, and the bra cover is closed in the milk storage cavity.
23. The breast pump according to claim 15, wherein the inner wall of the milk storage chamber is provided with a through hole connecting the milk storage chamber and the atmosphere, the housing is provided with a sealing cover, and one end of the sealing cover is connected to the On the outer surface of the main body, the other end of the sealing cover is detachably covered with the through hole.
24. The breast pump according to claim 15, wherein the milk storage chamber and the negative pressure chamber form a milk storage part, the outer surface of the milk storage part is provided with bumps, and the outer surface of the negative pressure part is provided with Groove, when the negative pressure part is connected to the milk storage part, the convex block is engaged with the groove; an insertion block is provided on the outer surface of the milk storage part, and the outer surface of the negative pressure part An insertion slot is provided, and when the negative pressure part is connected to the milk storage part, the insertion block is clamped in the insertion slot.