Breast pump

Abstract

The utility model discloses a breast pump which comprises a milk bowl assembly, a breast pumping shield, a main machine and a heat dissipation body. A milk storage space is formed in the milk bowl assembly. The breast sucking shield is provided with a wide end and a narrow end, and the inner diameter of the breast sucking shield is gradually increased from the narrow end to the wide end; the main machine comprises a negative pressure pump, and the negative pressure pump is used for providing negative pressure for sucking milk for the breast pump; and the radiator is at least partially arranged between the negative pressure pump and the milk bowl assembly. By means of the mode, the heat dissipation body is arranged between the negative pressure pump and the milk bowl assembly, heat of the negative pressure pump is conducted to the gap between the milk bowl assembly and the main machine, so that the heat is diffused into air, or the heat is conducted to the milk bowl assembly, and therefore the problem that the main machine is heated can be effectively solved.

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] In traditional breast pump technology, the main unit, as the main component for generating suction and controlling negative pressure, will generate a certain amount of heat during operation, especially in electric breast pumps. Due to the conversion and consumption of electrical energy during the operation of components such as electric motors and circuit boards, heat will inevitably be generated.

[0003] With the development of breast pump technology, in order to meet users' needs for higher efficiency, longer battery life and more comfortable experience, the power and performance of the host are constantly improving, and the resulting heat management problem has become more and more prominent. The heat dissipation measures of traditional breast pumps usually focus on heat dissipation by optimizing internal circuit design, selecting low-heating components and shell heat dissipation. However, in some cases, especially after high-intensity and long-term use, the heat accumulation inside the host may affect the normal operation of the equipment, and may even cause components to overheat and fail, reducing the service life of the breast pump. At the same time, high temperature may have an indirect impact on the milk bowl components adjacent to the host, such as causing the temperature of the milk stored in the milk bowl to rise, affecting the preservation quality and safety of the milk. In addition, for users, overheating of the host may also affect their comfort when holding the breast pump and reduce the user experience. Therefore, how to effectively manage and diffuse the heat generated by the host has become one of the key issues to improve the overall performance of the breast pump and user satisfaction. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a breast pump, which can improve the problem of heating of the breast pump host.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a breast pump, the breast pump comprising: a milk bowl assembly, a milk storage space is formed inside the milk bowl assembly; a breast shield, 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 main unit, the main unit comprises a negative pressure pump, the negative pressure pump is used to provide negative pressure for the breast pump to suck milk; a heat sink, the heat sink is at least partially arranged between the negative pressure pump and the milk bowl assembly.

[0006] The main machine comprises a transverse portion and a longitudinal portion bent and connected to the transverse portion, the first side of the milk bowl assembly contacts the longitudinal portion of the main machine, the second side of the milk bowl assembly contacts the transverse portion of the main machine, and the first side and the second side are two adjacent side surfaces of the milk bowl assembly.

[0007] Wherein, the negative pressure pump is located in the transverse part of the main machine, a mounting hole is provided on a side surface of the transverse part close to the milk bowl assembly, and the heat sink is at least partially disposed in the mounting hole.

[0008] The heat sink includes a first part and a second part bent and connected to the first part, the first part is arranged between the negative pressure pump and the milk bowl assembly, and the first part and the second part are respectively arranged on two adjacent sides of the negative pressure pump.

[0009] Wherein, an assembly step is provided on one side of the heat sink close to the milk bowl assembly, and the assembly step cooperates with the mounting hole of the transverse part so that the heat sink is limited in the transverse part.

[0010] Wherein, the heat sink is exposed through the mounting hole, and the heat sink is in contact with the milk bowl assembly when the milk bowl assembly and the host are assembled.

[0011] Wherein, the heat sink is made of metal.

[0012] The main machine is formed with a through hole running through the thickness direction, the narrow end of the breast shield is passed through the through hole, and the main machine is at least partially located between the wide end of the breast shield and the milk bowl assembly.

[0013] Wherein, the host comprises a transverse part and a longitudinal part bent and connected to the transverse part, the through hole is arranged on the longitudinal part, and the longitudinal part is located between the wide end of the breast shield and the milk bowl assembly.

[0014] Wherein, the negative pressure pump is a piezoelectric pump.

[0015] The embodiment of the present application is to provide a breast pump including a milk bowl assembly, a breast shield, a main unit and a heat sink, wherein a milk storage space is formed inside the milk bowl assembly; 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; the main unit includes a negative pressure pump, and the negative pressure pump is used to provide negative pressure for the breast pump to suck milk; the heat sink is at least partially arranged between the negative pressure pump and the milk bowl assembly. In the above manner, a heat sink is arranged between the negative pressure pump and the milk bowl assembly, and the heat of the negative pressure pump is transferred to the gap between the milk bowl assembly and the main unit, thereby diffusing into the air, or the heat is transferred to the milk bowl assembly, thereby effectively improving the problem of heating of the main unit. 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 exploded structure of a breast pump according to an embodiment of the present application;

[0019] Figure 3 This is a schematic diagram of the exploded structure of the breast pump host and the heat sink of the embodiment of the present application;

[0020] Figure 4 It is a schematic cross-sectional structural diagram of the transverse portion of the breast pump host according to an embodiment of the present application.

[0021] 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

[0022] 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.

[0023] 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.

[0024] 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.

[0025] 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.

[0026] 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.

[0027] In this embodiment, the breast pump may include: a milk bowl assembly 10 , a main unit 20 , a breast shield 30 , and a heat sink 80 .

[0028] A milk storage space is formed inside the milk bowl assembly 10. The milk bowl assembly 10 includes a milk bowl 11 and a cover plate 12, and the milk bowl 11 and the cover plate 12 enclose the milk storage space. Optionally, a groove R extending into the milk storage space and a negative pressure chamber F are formed on the cover plate 12. The negative pressure chamber F is used to place a diaphragm, which is used to transmit negative pressure and to separate the air and liquid between the main unit 20 and the milk pumping side to prevent milk from seeping back into the main unit 20.

[0029] 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. The narrow end of the breast shield 30 passes through the through hole T and is inserted into the groove R, communicating with the inner space of the groove R.

[0030] The host 20 includes a negative pressure pump 201, and the negative pressure pump 201 is used to provide negative pressure for the breast pump to suck milk.

[0031] The heat sink 80 is at least partially disposed between the negative pressure pump 201 and the milk bowl assembly 10. For example, the heat sink 80 may be further disposed between the solenoid valve and the milk bowl assembly 10.

[0032] In the above manner, a heat sink 80 is arranged between the negative pressure pump 201 and the milk bowl assembly 10, and the heat of the negative pressure pump 201 is conducted to the gap between the milk bowl assembly 10 and the main unit 20, thereby diffusing into the air, or the heat is conducted to the milk bowl assembly 10, and the milk in the milk bowl assembly 10 is used for heat dissipation, thereby effectively improving the heating problem of the main unit 20.

[0033] Optionally, the host 20 includes a transverse portion 21 and a longitudinal portion 22 bent and connected to the transverse portion 21, the first side of the milk bowl assembly 10 contacts the longitudinal portion 22 of the host 20, the second side of the milk bowl assembly 10 contacts the transverse portion 21 of the host 20, and the first side and the second side are two adjacent sides of the milk bowl assembly 10. In the above manner, the host 20 is set to be L-shaped, and the milk bowl assembly 10 is arranged on the L-shaped step, so that the contact area between the host 20 and the milk bowl assembly 10 can be increased while reducing the overall volume of the breast pump, and the milk bowl assembly 10 can be fully utilized to dissipate heat from the host 20.

[0034] In one embodiment, the negative pressure pump 201 is located in the transverse portion 21 of the main unit 20, and a mounting hole A is provided on a surface of the transverse portion 21 close to the milk bowl assembly 10, and the heat sink 80 is at least partially provided in the mounting hole A. When the main unit 20 is configured in an L-shape, there is sufficient space for the negative pressure pump 201 to be arranged in the transverse portion 21 of the main unit 20, and the mounting hole A is provided on one side of the transverse portion 21 facing the milk bowl assembly 10, and the heat sink 80 is provided to increase the heat conduction efficiency between the main unit 20 and the outside world.

[0035] In one embodiment, the heat sink 80 includes a first portion 81 and a second portion 82 bent and connected to the first portion 81, the first portion 81 is arranged between the negative pressure pump 201 and the milk bowl assembly 10, and the first portion 81 and the second portion 82 are respectively arranged on two adjacent sides of the negative pressure pump 201. By providing the heat sink 80 to include two adjacent sides to surround the negative pressure pump 201, the heat conduction efficiency of the heat sink 80 and the negative pressure pump 201 can be increased, thereby increasing the heat dissipation effect.

[0036] In one embodiment, a mounting step Z is provided on one side of the heat sink 80 close to the milk bowl assembly 10, and the mounting step Z cooperates with the mounting hole A of the transverse portion 21 to limit the heat sink 80 in the transverse portion 21. By providing the mounting step Z, the heat sink 80 is limited in the transverse portion 21, thereby ensuring that the heat sink 80 is stably installed and prevented from falling off.

[0037] In one embodiment, the heat sink 80 is exposed through the mounting hole A, and the heat sink 80 is in contact with the milk bowl assembly 10 when the milk bowl assembly 10 and the host 20 are assembled. By setting the heat sink 80 to be exposed through the mounting hole A, the problem of low heat dissipation efficiency caused by the isolation of the shell of the host 20 can be further reduced. It should be understood that in some embodiments, the heat sink 80 can be a heat sink attached to the outer surface of the host 20 and located between the host 20 and the milk bowl assembly 10. The embodiment of the present application is not limited to the solution of exposing the heat sink 80 through the mounting hole A.

[0038] In one embodiment, the heat sink 80 is made of metal. For example, the heat sink 80 may be made of copper, aluminum, or a combination of copper and aluminum. In some embodiments, the heat sink 80 may also be made of non-metallic materials, such as ceramics, graphene, and other non-metallic materials with good thermal conductivity.

[0039] In one embodiment, the main unit 20 is formed with a through hole T that runs through the thickness direction, the narrow end of the breast shield 30 is passed through the through hole T, and the main unit 20 is at least partially located between the wide end of the breast shield 30 and the milk bowl assembly 10. In the embodiment of the present application, the through hole T that runs through the thickness direction is formed on the main unit 20, the narrow end of the breast shield 30 is passed through the through hole T, and the main unit 20 is at least partially located between the wide end of the breast shield 30 and the milk bowl assembly 10, so as to reduce the thickness space occupied by the breast pump as a whole.

[0040] Optionally, the through hole T is provided on the longitudinal portion 22 , and the longitudinal portion 22 is located between the wide end of the breast shield 30 and the milk bowl assembly 10 .

[0041] Optionally, the negative pressure pump 201 can be a piezoelectric pump. The negative pressure pump of the embodiment of the present application can be such as an electric piston pump, an electric vortex pump, an electric diaphragm pump, an air pump type negative pressure pump, a piezoelectric pump, etc., and the embodiment of the present application does not limit this. These negative pressure pumps have heating problems to varying degrees. The problem is particularly prominent in voltage pumps. A piezoelectric pump is a fluid driver. It does not require an additional drive motor, but uses the inverse piezoelectric effect of the piezoelectric medium to deform the piezoelectric vibrator, and then the volume change of the pump chamber generated by the deformation is realized to achieve fluid output or use the piezoelectric vibrator to generate fluctuations to drive the fluid to form a negative pressure. The piezoelectric pump is small in size, low in noise, and has a fast response speed. But there are also some problems, such as the heating problem will be more serious than the traditional air pump. In one embodiment, the piezoelectric pump can be a piezoelectric ceramic pump.

[0042] The embodiment of the present application is to provide a breast pump including a milk bowl assembly, a breast shield, a main unit and a heat sink, wherein a milk storage space is formed inside the milk bowl assembly; 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 main unit, wherein the main unit includes a negative pressure pump, and the negative pressure pump is used to provide negative pressure for the breast pump to suck milk; the heat sink is at least partially arranged between the negative pressure pump and the milk bowl assembly. In the above manner, a heat sink is arranged between the negative pressure pump and the milk bowl assembly, and the heat of the negative pressure pump is transferred to the gap between the milk bowl assembly and the main unit, thereby diffusing into the air, or the heat is transferred to the milk bowl assembly, thereby effectively improving the problem of heating of the main unit.

[0043] 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 milk bowl assembly, wherein a milk storage space is formed inside the milk bowl assembly; a breast shield having a wide end and a narrow end, wherein the inner diameter of the breast shield gradually increases from the narrow end to the wide end; A host, the host comprising a negative pressure pump, the negative pressure pump being used to provide negative pressure for the breast pump to suck milk; A heat sink is at least partially disposed between the negative pressure pump and the milk bowl assembly.

2. The breast pump according to claim 1, characterized in that: The host comprises a transverse portion and a longitudinal portion bent and connected to the transverse portion, a first side surface of the milk bowl assembly contacts the longitudinal portion of the host, and a second side surface of the milk bowl assembly contacts the transverse portion of the host, and the first side surface and the second side surface are two adjacent side surfaces of the milk bowl assembly.

3. The breast pump according to claim 2, characterized in that: The negative pressure pump is located in the transverse part of the main machine, a mounting hole is provided on a side surface of the transverse part close to the milk bowl assembly, and the heat sink is at least partially disposed in the mounting hole.

4. The breast pump according to any one of claims 1 to 3, characterized in that: The heat sink includes a first part and a second part bent and connected to the first part, the first part is arranged between the negative pressure pump and the milk bowl assembly, and the first part and the second part are respectively arranged on two adjacent side surfaces of the negative pressure pump.

5. The breast pump according to claim 3, characterized in that: A mounting step is provided on one side of the heat sink close to the milk bowl assembly, and the mounting step cooperates with the mounting hole of the transverse portion so that the heat sink is limited in the transverse portion.

6. The breast pump according to claim 5, characterized in that The heat sink is exposed through the mounting hole, and the heat sink is in contact with the milk bowl assembly when the milk bowl assembly and the host are assembled.

7. The breast pump according to any one of claims 1 to 3, characterized in that: The heat sink is made of metal.

8. The breast pump according to claim 1, characterized in that: The main machine is formed with a through hole running through the thickness direction, the narrow end of the breast shield is passed through the through hole, and the main machine is at least partially located between the wide end of the breast shield and the milk bowl assembly.

9. The breast pump according to claim 8, characterized in that The host comprises a transverse portion and a longitudinal portion bent and connected to the transverse portion, the through hole is arranged on the longitudinal portion, and the longitudinal portion is located between the wide end of the breast shield and the milk bowl assembly.

10. The breast pump according to claim 1, characterized in that: The negative pressure pump is a piezoelectric pump.

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