Breast pump

Abstract

The utility model discloses a breast pump, which comprises a breast pump shield, a breast pump, a connecting rod, a connecting rod and a connecting rod, the breast pump shield is provided with a wide end and a narrow end, and the inner diameter of the breast pump shield is gradually increased from the narrow end to the wide end; a milk storage space is formed in the milk bowl assembly; the milk sucking pipeline is connected with the milk bowl assembly and extends into the milk storage space, the milk sucking pipeline is communicated with the milk sucking shield, and the milk storage space is used for receiving milk flowing out of the milk sucking pipeline; the main machine is used for providing negative pressure for sucking milk into the milk sucking pipeline; wherein the center of gravity of the breast pump is in the breast pumping pipeline or the narrow end of the breast pumping shield when the milk storage space is empty. By means of the mode, the comfort and stability of wearing the breast pump can be improved, and the suction force is more uniform.

Description

Technical Field

[0001] The utility model relates to the technical field of maternal and infant equipment, and in particular to a breast pump. Background Art

[0002] Although the existing breast pump technology has achieved the basic function of extracting milk by providing negative pressure electrically or manually, there are still several technical challenges and deficiencies in user experience. Conventional breast pumps are often not fully considered in their design, as to the impact of the center of gravity layout of the device on the efficiency of milk extraction and the comfort of the user.

[0003] During use, the overall center of gravity of a traditional breast pump may be unevenly distributed, causing users to easily feel wrist and arm fatigue when holding the device for a long time. The device is also prone to shaking during the milk pumping process due to the position of the center of gravity design, affecting the stability and efficiency of milk pumping. It may also cause the breast shield to fit poorly to the breast, increasing the risk of nipple pain and uneven negative pressure suction. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a breast pump, which can solve the problems of uneven suction, uncomfortable wearing and unstable wearing of the breast pump.

[0005] To solve the above technical problems, the utility model adopts a technical solution as follows: providing a breast pump, the breast pump comprising: a breast shield, the breast shield having a wide end and a narrow end, the inner diameter of the breast shield gradually increasing from the narrow end to the wide end; a milk bowl assembly, a milk storage space formed in the milk bowl assembly; a milk suction duct, the milk suction duct is connected to the milk bowl assembly and extends into the milk storage space, the milk suction duct is communicated with the breast shield, the milk storage space is used to receive milk flowing out of the milk suction duct; a main unit, used to provide negative pressure for milk suction in the milk suction duct; wherein the center of gravity of the breast pump is in the milk suction duct or in the narrow end of the breast shield when the milk storage space is empty.

[0006] Wherein, a through hole is opened on the main machine, the breast shield is inserted into the through hole, and the main machine is located between the wide end of the breast shield and the milk bowl assembly.

[0007] Wherein, a through hole is opened on the mainframe, and the center of gravity of the mainframe is located in the through hole.

[0008] Among them, the main unit includes a shell and a negative pressure pump, a solenoid valve, a first battery and a second battery arranged in the shell, the negative pressure pump and the solenoid valve are both located below the through hole, and the first battery and the second battery are respectively located on the left and right sides of the through hole.

[0009] Wherein, the host further includes a circuit board located in the shell, and the circuit board is located above the through hole.

[0010] The main machine comprises a transverse portion and a longitudinal portion bent and connected to the transverse portion, the through hole is arranged on the longitudinal portion, the longitudinal portion is located between the wide end of the breast shield and the milk bowl assembly, the first side surface of the milk bowl assembly contacts the longitudinal portion of the main machine, the second side surface of the milk bowl assembly contacts the transverse portion of the main machine, and the first side surface and the second side surface are two adjacent side surfaces of the milk bowl assembly.

[0011] The main machine comprises a transverse portion and a longitudinal portion bent and connected to the transverse portion, the through hole is arranged on the longitudinal portion, the longitudinal portion is located between the wide end of the breast shield and the milk bowl assembly, the first side surface of the milk bowl assembly contacts the longitudinal portion of the main machine, the second side surface of the milk bowl assembly contacts the transverse portion of the main machine, the first side surface and the second side surface are two adjacent side surfaces of the milk bowl assembly, and the negative pressure pump and the solenoid valve are arranged inside the transverse portion.

[0012] Wherein, the negative pressure pump is a piezoelectric pump.

[0013] Wherein, the milk bowl assembly comprises a bowl body and a cover plate, the bowl body and the cover plate enclose the milk storage space, and the milk suction duct is connected to the cover plate.

[0014] Wherein, the milk suction duct and the cover plate are arranged as one body.

[0015] The embodiment of the present application provides a breast pump including a breast shield, the breast shield having a wide end and a narrow end, the inner diameter of the breast shield gradually increasing from the narrow end to the wide end; a milk bowl assembly, a milk storage space formed in the milk bowl assembly; a milk suction duct, the milk suction duct is connected to the milk bowl assembly and extends into the milk storage space, the milk suction duct is connected to the breast shield, and the milk storage space is used to receive milk flowing out of the milk suction duct; a host, used to provide negative pressure for milk suction in the milk suction duct; wherein the center of gravity of the breast pump is in the milk suction duct or the narrow end of the breast shield when the milk storage space is empty. In the above manner, the center of gravity of the breast pump is arranged in the milk suction duct or the narrow end of the breast shield, close to the center of the nipple, so that the breast pump is more stable and comfortable when worn on the human body, and the suction force is more uniform. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0017] Figure 1 is a schematic structural diagram of a breast pump according to an embodiment of the present application;

[0018] Figure 2 is a schematic diagram of the disassembled structure of a breast pump according to an embodiment of the present application;

[0019] Figure 3 is a schematic diagram of the internal structure of the main unit of the breast pump of the embodiment of the present application after the surface shell is removed;

[0020] Figure 4 is a schematic cross-sectional view of the breast pump according to an embodiment of the present application with the main unit and the breast shield removed;

[0021] Figure 5 This is a schematic diagram of the structure of the cover plate, the milk suction duct, and the diaphragm bracket of the embodiment of the present application;

[0022] Figure 6 It is a schematic diagram of the disassembled structure of the host and milk bowl assembly of the embodiment of the present application.

[0023] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0024] In the present invention, the terms "disposed", "provided with", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] The orientation or position relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "radial", "circumferential", etc. are based on the orientation or position relationship shown in the drawings and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0027] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0028] See also Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 1 is a schematic structural diagram of a breast pump according to an embodiment of the present application; Figure 2 is a schematic diagram of the disassembled structure of a breast pump according to an embodiment of the present application; Figure 4 is a schematic cross-sectional view of the breast pump according to an embodiment of the present application with the main unit and the breast shield removed; Figure 5 It is a schematic diagram of the structure of the cover plate, the milk suction duct, and the diaphragm bracket according to the embodiment of the present application.

[0029] In this embodiment, the breast pump may include: a milk bowl assembly 10 , a main unit 20 , a breast shield 30 , a diaphragm support 40 and a milk suction duct 50 .

[0030] The breast shield 30 has a wide end and a narrow end, and the inner diameter of the breast shield 30 gradually increases from the narrow end to the wide end. A milk storage space C is formed in the milk bowl assembly 10. The milk suction duct 50 is connected to the milk bowl assembly 10 and extends into the milk storage space C. The milk suction duct 50 is in communication with the breast shield 30, and the milk storage space C is used to receive milk flowing out of the milk suction duct 50. The host 20 is used to provide negative pressure for milk suction in the milk suction duct 50; wherein, the center of gravity of the breast pump is in the milk suction duct 50 or in the narrow end of the breast shield 30 when the milk storage space C is empty.

[0031] The breast shield 30 includes a flange and a duct at a narrow end. The center of gravity of the breast pump is located in the narrow end, which means that it is located in the duct at the narrow end. The narrow end and the milk suction duct 50 form a nipple channel in communication in the narrow end and the milk suction duct 50. The nipple channel is used to receive the nipple of the user when the breast pump is sucking milk. When the center of gravity is designed to be in the milk suction duct 50 or in the narrow end of the breast shield 30, it can be achieved by adjusting the spatial layout of the various components of the host 20, as described below.

[0032] In the above manner, the center of gravity of the breast pump is arranged in the narrow end of the milk suction duct 50 or the breast shield 30, close to the center of the nipple, so that the breast pump is more stable and comfortable when worn on the human body, and the suction force is more uniform.

[0033] In one embodiment, a through hole T is formed on the main machine 20 , and the breast shield 30 is passed through the through hole T. The main machine 20 is located between the wide end of the breast shield 30 and the milk bowl assembly 10 .

[0034] Combined with reference Figure 3 , Figure 3 20 is a schematic diagram of the internal structure of the main unit of the breast pump of the embodiment of the present application after removing the cover. Optionally, a through hole T is provided on the main unit 20, and the center of gravity of the main unit 20 is located in the through hole T.

[0035] like Figure 3 As shown, in one embodiment, the host 20 includes a shell and a negative pressure pump 201, a solenoid valve 202, a first battery 203 and a second battery 204 arranged in the shell, the negative pressure pump 201 and the solenoid valve 202 are both located below the through hole T, and the first battery 203 and the second battery 204 are respectively located on the left and right sides of the through hole T.

[0036] In some embodiments, the spatial layout of the host 20 is not limited to this, as long as the center of gravity can be ensured to be located in the milk suction duct 50 or the narrow end of the breast shield 30. For example, the negative pressure pump and the solenoid valve are respectively arranged at the lower position on the left and right sides of the through hole T, and the first battery and the second battery are respectively arranged at the upper position on the left and right sides of the through hole T. For another example, the negative pressure pump and the solenoid valve are respectively arranged at the upper position on the left and right sides of the through hole T, and the first battery and the second battery are respectively arranged at the lower position on the left and right sides of the through hole T, which is not limited in the embodiment of the present application.

[0037] In one embodiment, the host 20 further includes a circuit board 205 located in the housing, and the circuit board 205 is located above the through hole T.

[0038] Combined with reference Figure 6 , Figure 6: is a schematic diagram of the disassembled structure of the host and the milk bowl assembly of the embodiment of the present application. In one embodiment, the host 20 includes a transverse portion 21 and a longitudinal portion 22 bent and connected to the transverse portion 21, the through hole T is set on the longitudinal portion 22, the longitudinal portion 22 is located between the wide end of the breast shield 30 and the milk bowl assembly 10, the first side S1 of the milk bowl assembly 10 contacts the longitudinal portion 22 of the host 20, and the second side S2 of the milk bowl assembly 10 contacts the transverse portion 21 of the host 20, the first side S1 and the second side S2 are two adjacent sides of the milk bowl assembly 10, and the negative pressure pump 201 and the solenoid valve 202 are arranged inside the transverse portion 21. By setting the host 20 to be an L-shaped body including the transverse portion 21 and the longitudinal portion 22, a larger space can be arranged inside the transverse portion 21, for example, larger components such as the negative pressure pump 201 and the solenoid valve 202 can be arranged inside the transverse portion 21, so that the layout of the major components inside the host 20 can be facilitated, and the center of gravity can be conveniently configured in the milk suction duct 50 or the narrow end of the breast shield 30.

[0039] In one embodiment, the negative pressure pump 201 is a piezoelectric pump. Specifically, the piezoelectric pump can be a piezoelectric ceramic pump, and of course, a piezoelectric pump of other media can also be used, which is not limited in the present embodiment. The piezoelectric pump is generally flat, and the height of the piezoelectric pump can be less than half of the width.

[0040] In one embodiment, the milk bowl assembly 10 includes a bowl body 11 and a cover plate 12 , the bowl body 11 and the cover plate 12 enclose a milk storage space C, and the milk suction duct 50 is connected to the cover plate 12 .

[0041] In one embodiment, the milk suction duct 50 is integrally formed with the cover plate 12 .

[0042] In one embodiment, the breast pump further includes a diaphragm 60, which is used to be placed in the diaphragm support 40. The diaphragm 60 divides the internal space of the diaphragm support 40 into a first subspace and a second subspace. The first subspace is connected to the negative pressure interface of the host 20, and the second subspace is connected to the internal space of the milk suction duct 50. The diaphragm 60 can be driven by the negative pressure provided by the host 20 to deform in the internal space of the diaphragm support 40 to transfer the negative pressure to the milk suction duct 50, thereby generating the negative pressure required for milk suction in the milk suction duct 50. The diaphragm 60 is made of a flexible material and is mainly used to prevent the negative pressure from causing milk to flow back to the host 20 and causing damage to the host 20.

[0043] In one embodiment, the milk bowl assembly 10 includes a bowl body 11 and a cover plate 12, the bowl body 11 and the cover plate 12 enclose a milk storage space C, and the diaphragm bracket 40 is connected to the milk bowl assembly 10 and extends into the milk storage space C. The milk suction duct 50 and the diaphragm bracket 40 are both connected to the cover plate 12. The bowl body 11 can be configured to be at least partially transparent, so that the user can observe the milk in the milk suction duct 50 through the milk bowl 11, or observe the milk flowing out of the milk outlet N, or facilitate the user to align the nipple position when wearing the breast pump. In some embodiments, a sealing ring can be provided between the bowl body 11 and the cover plate 12 to ensure the sealing of the connection between the bowl body 11 and the cover plate 12, and prevent the milk in the milk outlet space C from overflowing.

[0044] In one embodiment, the milk suction duct 50 and the diaphragm support 40 are connected to the cover plate 12 as a whole. In some embodiments, the milk suction duct 50 can also be set to be detachably connected to the cover plate 12. Similarly, the milk suction duct 50 can also be set to be detachably connected to the cover plate 12.

[0045] In one embodiment, the milk suction duct 50 and the diaphragm support 40 are arranged side by side. By arranging the milk suction duct 50 and the diaphragm support 40 side by side, the thickness space occupied by the two can be further reduced, and the two share the thickness space, so that the breast pump can be thinner and lighter.

[0046] In one embodiment, the milk suction duct 50 is located above the diaphragm support 40. By arranging the milk suction duct 50 above the diaphragm support 40, the situation inside the milk suction duct 50 can be easily observed, and the milk suction duct 50 will not be blocked by the diaphragm support 40. The milk suction duct 50 is at least partially made of a light-transmissive material, so that the situation inside the milk suction duct 50 is easy to observe, such as the flow of milk and whether the nipple channel is aligned when the user wears it.

[0047] In one embodiment, the breast pump further includes a one-way valve 70, which is disposed at the milk outlet N. The one-way valve 70 is used to allow the milk in the milk suction duct 50 to flow unidirectionally into the milk storage space C. For example, the one-way valve may be a sheet-type one-way valve, or in other embodiments, a duckbill valve may be used. For example, when there is negative pressure in the milk suction duct 50, the one-way valve 70 is pressed against the milk outlet N under the action of suction, so that the milk in the milk storage space C cannot flow back. When the suction stops, the milk pushes the one-way valve 70 open under the action of gravity and flows into the milk storage space C.

[0048] The embodiment of the present application provides a breast pump including a breast shield, the breast shield having a wide end and a narrow end, the inner diameter of the breast shield gradually increasing from the narrow end to the wide end; a milk bowl assembly, a milk storage space formed in the milk bowl assembly; a milk suction duct, the milk suction duct is connected to the milk bowl assembly and extends into the milk storage space, the milk suction duct is connected to the breast shield, and the milk storage space is used to receive milk flowing out of the milk suction duct; a host, used to provide negative pressure for milk suction in the milk suction duct; wherein the center of gravity of the breast pump is in the milk suction duct or the narrow end of the breast shield when the milk storage space is empty. In the above manner, the center of gravity of the breast pump is arranged in the milk suction duct or the narrow end of the breast shield, close to the center of the nipple, so that the breast pump is more stable and comfortable when worn on the human body, and the suction force is more uniform.

[0049] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0050] The above is only a specific implementation of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A breast pump, characterized in that: The breast pump comprises: A breast shield, wherein the breast shield has a wide end and a narrow end, and the inner diameter of the breast shield gradually increases from the narrow end to the wide end; A milk bowl assembly, wherein a milk storage space is formed in the milk bowl assembly; A milk suction duct, the milk suction duct is connected to the milk bowl assembly and extends into the milk storage space, the milk suction duct is communicated with the breast shield, and the milk storage space is used to receive milk flowing out of the milk suction duct; A host, used for providing negative pressure for milk extraction into the milk extraction duct; Wherein, the center of gravity of the breast pump is in the milk suction duct or in the narrow end of the breast shield when the milk storage space is empty.

2. The breast pump according to claim 1, characterized in that: The host is provided with a through hole, the breast shield is passed through the through hole, and the host is located between the wide end of the breast shield and the milk bowl assembly.

3. The breast pump according to claim 1, characterized in that: A through hole is provided on the mainframe, and the center of gravity of the mainframe is located in the through hole.

4. The breast pump according to claim 3, characterized in that: The host comprises a shell and a negative pressure pump, a solenoid valve, a first battery and a second battery arranged in the shell, the negative pressure pump and the solenoid valve are both located below the through hole, and the first battery and the second battery are respectively located on the left and right sides of the through hole.

5. The breast pump according to claim 4, characterized in that: The host further includes a circuit board located in the shell, and the circuit board is located above the through hole.

6. The breast pump according to claim 2, characterized in that: The main machine comprises a transverse portion and a longitudinal portion bent and connected to the transverse portion, the through hole is arranged on the longitudinal portion, the longitudinal portion is located between the wide end of the breast shield and the milk bowl assembly, a first side surface of the milk bowl assembly contacts the longitudinal portion of the main machine, and a second side surface of the milk bowl assembly contacts the transverse portion of the main machine, and the first side surface and the second side surface are two adjacent side surfaces of the milk bowl assembly.

7. The breast pump according to claim 4, characterized in that: The main machine comprises a transverse portion and a longitudinal portion bent and connected to the transverse portion, the through hole is arranged on the longitudinal portion, the longitudinal portion is located between the wide end of the breast shield and the milk bowl assembly, a first side surface of the milk bowl assembly contacts the longitudinal portion of the main machine, and a second side surface of the milk bowl assembly contacts the transverse portion of the main machine, the first side surface and the second side surface are two adjacent side surfaces of the milk bowl assembly, and the negative pressure pump and the solenoid valve are arranged inside the transverse portion.

8. The breast pump according to claim 4, characterized in that: The negative pressure pump is a piezoelectric pump.

9. The breast pump according to any one of claims 1 to 8, characterized in that: The milk bowl assembly comprises a bowl body and a cover plate, wherein the bowl body and the cover plate enclose the milk storage space, and the milk suction duct is connected to the cover plate.

10. The breast pump according to claim 9, characterized in that The milk suction duct is integrated with the cover plate.

Images