Breast pump

Abstract

The utility model discloses a breast pump, which relates to the technical field of breast pump equipment, is used for being connected with an external negative pressure output device through an air inlet pipeline, and comprises a shell, an air source input device, an electromagnetic valve assembly, an air inlet connecting sleeve assembly and a control circuit board, the air source input device is arranged in the shell and is used for extracting air in the air inlet pipeline; the electromagnetic valve assembly is installed in the shell, and the air suction end of the electromagnetic valve assembly is connected to a first connector of the air source input device. The air inlet connecting sleeve assembly is installed in the shell and connected with the air inlet end of the electromagnetic valve assembly, the air inlet connecting sleeve assembly is used for being connected with an air inlet pipeline, and a second connector is arranged on the upper side of the air inlet connecting sleeve assembly; the control circuit board is installed on the shell and connected with the air source input device, and a negative pressure sensor connected with the second connector is arranged on the lower side of the control circuit board. Through the arrangement, the breast pump capable of accurately detecting the air pressure in the air inlet pipeline can be provided.

Description

Technical Field

[0001] The utility model relates to the technical field of breast pump devices, and particularly relates to a breast pump. Background Art

[0002] In the prior art, the air pump in the breast pump is communicated with the intake pipeline through a solenoid valve, and the solenoid valve and the air pump are connected through a connecting pipeline. A negative pressure sensor is arranged at the connecting pipeline to detect the generated negative pressure. However, due to the structural characteristics of the solenoid valve itself, the solenoid valve cannot completely exhaust the air in the connecting pipeline when exhausting, and the air pressure in the intake pipeline measured in this case is inaccurate.

[0003] Therefore, how to provide a breast pump that can accurately detect the air pressure in the intake pipeline is a technical problem that those skilled in the art need to solve at present. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a breast pump that can accurately detect the air pressure in the intake pipeline.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A breast pump for connecting an external negative pressure output device through an intake pipeline, comprising:

[0007] A housing;

[0008] An air source input device, installed inside the housing, for extracting the air in the intake pipeline;

[0009] A solenoid valve assembly, installed inside the housing, and the suction end of the solenoid valve assembly is connected to the first interface of the air source input device;

[0010] An intake connection sleeve assembly, installed inside the housing, connected to the intake end of the solenoid valve assembly, the intake connection sleeve assembly is used for connecting the intake pipeline, and a second interface is arranged on the upper side of the intake connection sleeve assembly;

[0011] A control circuit board, installed on the housing, the control circuit board is connected to the air source input device, and a negative pressure sensor connected to the second interface is arranged on the lower side thereof.

[0012] Preferably, the air source input device is specifically an air pump, the solenoid valve assembly includes a first solenoid valve and a second solenoid valve, and the suction ends of the first solenoid valve and the second solenoid valve are communicated with the first interface through a three-way joint.

[0013] Preferably, the intake connection sleeve assembly includes a first intake connection sleeve and a second intake connection sleeve. The first intake connection sleeve is connected to the intake end of the first solenoid valve, and the second intake connection sleeve is connected to the intake end of the second solenoid valve. The second interface includes a first sub-interface provided on the first intake connection sleeve and a second sub-interface provided on the second intake connection sleeve;

[0014] The negative pressure sensor includes a first sub-sensor and a second sub-sensor. The first sub-sensor is inserted into the first sub-interface, and the second sub-sensor is inserted into the second sub-interface.

[0015] Preferably, the housing includes:

[0016] A lower housing with a groove inside for accommodating and fixing the air source input device, the solenoid valve assembly, and the intake connection sleeve assembly;

[0017] An upper housing for cooperating with the lower housing to fixedly install the components inside it. The control circuit board is installed on the upper side outside the upper housing, and a through hole is provided on the top surface of the upper housing for the negative pressure sensor to pass through to connect to the second interface on the intake connection sleeve;

[0018] A main housing with an accommodation cavity inside for installing the upper housing and the lower housing that cooperate with each other. A first decorative plate and a second decorative plate are respectively provided on both sides of the main housing, and the port of the intake connection sleeve assembly for connecting the intake pipe is exposed from the first decorative plate.

[0019] Preferably, a battery for supplying power to the air source input device and the control circuit board is also installed inside the lower housing.

[0020] Preferably, a rotating rod for steplessly adjusting the suction force of the air source input device is provided on the control circuit board.

[0021] Preferably, a knob is further provided on the upper side of the upper housing. The knob is connected to the rotating rod through a gear assembly, and the knob is exposed from the second decorative plate.

[0022] Preferably, a display screen is also provided on the control circuit board, and the display screen is installed at the opening provided on the main housing.

[0023] Preferably, a charging port for connecting to the battery and a power switch for connecting to the control circuit board are also provided inside the lower housing, and both the charging port and the power switch are exposed from the first decorative plate.

[0024] Preferably, the materials of the lower housing, the upper housing, the main housing, the first decorative plate, and the second decorative plate are all ABS plastics.

[0025] Compared with the above background art, a breast pump provided by the present utility model is used to connect to an external negative pressure output device through an air intake pipe, and includes: a housing, an air source input device, a solenoid valve assembly, an air intake connection sleeve assembly, and a control circuit board; the air source input device is installed inside the housing and is used to extract air in the air intake pipe; the solenoid valve assembly is installed inside the housing, and the air suction end of the solenoid valve assembly is connected to the first interface of the air source input device; the air intake connection sleeve assembly is installed inside the housing and is connected to the air intake end of the solenoid valve assembly. The air intake connection sleeve assembly is used to connect the air intake pipe, and a second interface is provided on the upper side of the air intake connection sleeve assembly; the control circuit board is installed in the housing, the control circuit board is connected to the air source input device, and a negative pressure sensor connected to the second interface is provided on the lower side thereof.

[0026] Specifically, the air source input device, the solenoid valve assembly, the air intake connection sleeve assembly, and the control circuit board are all installed inside the housing. The first interface of the air source input device is connected to the air suction end of the solenoid valve assembly, the air intake end of the solenoid valve assembly is connected to the air intake connection sleeve assembly, and the air intake connection sleeve assembly is connected to a negative pressure output device such as a breast pump three-way assembly through the air intake pipe. It should be noted that a second interface is also provided on the upper side of the air intake connection sleeve assembly in this embodiment, and the second interface can be connected to the negative pressure sensor on the lower side of the control circuit board. Due to the structural characteristics of the solenoid valve assembly itself, it will cause the air intake pipe on the side close to the air intake end to be completely deflated while the air intake pipe on the side close to the air suction end is not completely deflated. The negative pressure sensor detects the air pressure on the side of the solenoid valve assembly close to the air intake end, and the detected air pressure of the air intake pipe is more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to the provided drawings.

[0028] Figure 1 is an exploded view of the structure of the breast pump provided by the embodiment of the present utility model;

[0029] Figure 2 is a schematic diagram of the overall structure of the breast pump provided by the embodiment of the present utility model;

[0030] Figure 3 is a schematic layout diagram of the breast pump provided by the embodiment of the present utility model;

[0031] Figure 4 is a schematic diagram of the back structure of the control circuit board provided by the embodiment of the present utility model;

[0032] Figure 5Schematic connection diagram of the air source input device, solenoid valve assembly and air intake connection sleeve assembly provided by the embodiment of the present utility model.

[0033] Wherein:

[0034] 110 - lower housing, 120 - upper housing, 130 - main housing, 140 - first decorative plate, 150 - second decorative plate;

[0035] 200 - air source input device, 210 - first interface;

[0036] 300 - solenoid valve assembly, 310 - first solenoid valve, 320 - second solenoid valve;

[0037] 400 - air intake connection sleeve assembly, 410 - second interface, 411 - first sub - interface, 412 - second sub - interface, 420 - first air intake connection sleeve, 430 - second air intake connection sleeve;

[0038] 500 - control circuit board, 510 - negative pressure sensor, 511 - first sub - sensor, 512 - second sub - sensor, 520 - rotating rod, 530 - display screen, 540 - power switch;

[0039] 600 - battery, 610 - charging port;

[0040] 700 - knob, 710 - gear assembly. Detailed implementation manners

[0041] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0042] In order to enable those skilled in the art in the technical field to better understand the solution of the present utility model, the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific implementation manners.

[0043] In the description of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "upper", "lower", "left", "right", "top", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the indicated positions or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model.

[0044] The purpose of the present utility model is to provide a breast pump that can accurately detect the air pressure in the intake pipeline.

[0045] To achieve the above object, the present utility model provides the following technical solutions:

[0046] Please refer to Figures 1 to 5 , this embodiment provides a breast pump for connecting to an external negative pressure output device through an intake pipe, including: a housing, a gas source input device 200, a solenoid valve assembly 300, an intake connection sleeve assembly 400, and a control circuit board 500; the gas source input device 200 is installed inside the housing and is used to extract air in the intake pipe; the solenoid valve assembly 300 is installed inside the housing, and the suction end of the solenoid valve assembly 300 is connected to the first interface 210 on the gas source input device 200; the intake connection sleeve assembly 400 is installed inside the housing and is connected to the intake end of the solenoid valve assembly 300. The intake connection sleeve assembly 400 is used to connect the intake pipe, and a second interface 410 is provided on the upper side of the intake connection sleeve assembly 400; the control circuit board 500 is installed on the housing, the control circuit board 500 is connected to the gas source input device 200, and a negative pressure sensor 510 connected to the second interface 410 is provided on the lower side thereof.

[0047] Specifically, components such as the gas source input device 200, the solenoid valve assembly 300, the intake connection sleeve assembly 400, and the control circuit board 500 are all installed inside the housing. The gas source input device 200 is preferably an air pump, which can extract air in the connected intake pipe to form a negative pressure. The first interface 210 of the gas source input device 200 is connected to the suction end of the solenoid valve assembly 300. The solenoid valve assembly 300 can control the opening and closing of this channel and can discharge the extracted gas. The intake end of the solenoid valve assembly 300 is connected to the intake connection sleeve assembly 400, and the intake connection sleeve assembly 400 is connected to a negative pressure output device such as a breast pump three-way assembly through the intake pipe. The control circuit board 500 is responsible for controlling the operation of the gas source input device 200 and the solenoid valve assembly 300. It should be noted that a negative pressure sensor 510 is provided on the lower side of the control circuit board 500 in this embodiment, and this negative pressure sensor 510 can just be inserted into the second interface 410 of the intake connection sleeve assembly 400 to detect the air pressure in the intake pipe, as specifically shown in Figure 3 ;

[0048] That is to say, the gas source input device 200, the solenoid valve assembly 300, the intake connection sleeve assembly 400, the intake pipe, and the negative pressure output device such as the breast pump three-way assembly are connected in sequence. The gas source input device 200 is used to make the negative pressure output device such as the breast pump three-way assembly work normally. The specific working principle diagram is as shown in Figure 4As shown; it should be noted that a second interface 410 is further provided on the upper side of the intake connection sleeve assembly 400 in this embodiment. The second interface 410 can be connected to the negative pressure sensor 510 on the lower side of the control circuit board 500. Due to the structural characteristics of the solenoid valve assembly 300 itself, the intake pipe on the side close to the intake end is completely deflated while the deflation on the side close to the suction end is incomplete. The negative pressure sensor 510 detects the air pressure on the side of the solenoid valve assembly 300 close to the intake end, and the detected air pressure in the intake pipe is more accurate.

[0049] Preferably, the air source input device 200 is specifically an air pump. The solenoid valve assembly 300 includes a first solenoid valve 310 and a second solenoid valve 320. The suction ends of the first solenoid valve 310 and the second solenoid valve 320 are connected to the first interface 210 through a tee joint.

[0050] In this embodiment, the air source input device 200 is specifically an air pump. Of course, it can be preferably other air-sucking devices according to actual situations; and in this embodiment, two passages are provided to connect to the air source input device 200. Therefore, two solenoid valve assemblies 300 are provided in this embodiment, namely the first solenoid valve 310 and the second solenoid valve 320. The suction ends of the first solenoid valve 310 and the second solenoid valve 320 are connected to the two interfaces of the tee joint, and the other interface of the tee joint is connected to the upper first interface 210 of the air source input device 200. Such a setting can enable one air source input device 200 to act on two pipelines simultaneously, increasing the working efficiency of the breast pump.

[0051] Preferably, the intake connection sleeve assembly 400 includes a first intake connection sleeve 420 and a second intake connection sleeve 430. The first intake connection sleeve 420 is connected to the intake end of the first solenoid valve 310, and the second intake connection sleeve 430 is connected to the intake end of the second solenoid valve 320. The second interface 410 includes a first sub-interface 411 provided on the first intake connection sleeve 420 and a second sub-interface 412 provided on the second intake connection sleeve 430; the negative pressure sensor 510 includes a first sub-sensor 511 and a second sub-sensor 512. The first sub-sensor 511 is inserted into the first sub-interface 411, and the second sub-sensor 512 is inserted into the second sub-interface 412.

[0052] Furthermore, in this embodiment, specifically as Figure 5As shown in the figure, two intake connection sleeve assemblies 400 are also provided, namely a first intake connection sleeve 420 and a second intake connection sleeve 430. The first intake connection sleeve 420 is connected to the intake end of the first solenoid valve 310, and the second intake connection sleeve 430 is connected to the intake end of the second solenoid valve 320. A first sub-interface 411 is provided on the first intake connection sleeve 420, and a second sub-interface 412 is provided on the second intake connection sleeve 430. Correspondingly, the negative pressure sensor 510 includes a first sub-sensor 511 that can be inserted into the first sub-interface 411 and a second sub-sensor 512 that can be inserted into the second sub-interface 412. In this way, the air source input device 200 and the two connected passages can both detect the air pressure in the intake pipeline through independent sensors. The first sub-sensor 511 and the second sub-sensor 512 can be responsible for detecting one passage respectively, improving the accuracy of the air pressure detection in the intake pipeline.

[0053] Preferably, the housing includes: a lower housing 110, an upper housing 120, and a main housing 130; the lower housing 110, a groove for accommodating and fixing the air source input device 200, the solenoid valve assembly 300, and the intake connection sleeve assembly 400 is provided inside the lower housing 110; the upper housing 120 is used to cooperate with the lower housing 110 to fixedly install the components inside it. The control circuit board 500 is installed on the upper side outside the upper housing 120. A through hole for the negative pressure sensor 510 to pass through to connect to the second interface 410 on the intake connection sleeve assembly 400 is provided on the top surface of the upper housing 120; a receiving cavity is provided inside the main housing 130 for installing the upper housing 120 and the lower housing 110 that cooperate with each other. A first decorative plate 140 and a second decorative plate 150 are respectively provided on both sides of the main housing 130. The port of the intake connection sleeve assembly 400 for connecting the intake pipeline is exposed from the first decorative plate 140.

[0054] As Figure 1As shown in the figure, the housing includes a lower housing 110 and an upper housing 120 that can cooperate with each other. The space between the two can accommodate the remaining components. When the lower housing 110 and the upper housing 120 are fully fitted up and down, the whole formed by the two can be inserted into the main housing 130. Specifically, two grooves for installing the air inlet connection sleeve assembly 400 and the solenoid valve assembly 300 are provided at the left end of the lower housing 110. The shape and size of the grooves can be set according to the actual situation, as long as they can play the role of clamping and fixing the air inlet connection sleeve assembly 400. And a card slot for installing the air source input device 200 is provided at the right side position of the lower housing 110. Similarly, the card slot needs to be able to clamp and fix the air source input device 200. After the components in the lower housing 110 are installed, the upper housing 120 can be covered above the lower housing 110, so that the installation of the remaining components can be completed stably. In addition, a control circuit board 500 is fixedly installed above the outer side of the upper housing 120, and the negative pressure sensor 510 provided below the control circuit board 500 can just pass through the upper housing 120 and be inserted into the second interface 410 above the air inlet connection sleeve assembly 400, so as to accurately measure the air pressure at the air inlet pipeline. There is a cavity inside the main housing 130, and the cavity can just accommodate the upper housing 120 and the lower housing 110 that have been fitted. The overall shape of the main housing 130 can be adjusted according to the actual situation, and no specific limitation is made in this article. In addition, in order to increase the overall aesthetics and convenience of use of the breast pump, a first decorative plate 140 and a second decorative plate 150 are respectively provided on the left and right sides of the main housing 130. The two plate-like structures make the main housing 130 form a more integral outer shell. Of course, corresponding interfaces need to be reserved on the left and right decorative plates, such as the port of the air inlet connection sleeve assembly 400 for connecting the air inlet pipeline.

[0055] Preferably, a battery 600 for supplying power to the air source input device 200 and the control circuit board 500 is also installed inside the lower housing 110.

[0056] As Figure 1 shown, in order to further enhance the convenience of use of this embodiment, a battery 600 for supplying power to the air source input device 200 and the control circuit board 500 is also installed inside the lower housing 110. The battery 600 is installed on the right side of the lower housing 110 and close to the air source input device 200. With such a setting, this embodiment does not need an external power supply during use, greatly improving the convenience of use.

[0057] Preferably, a rotating rod 520 for steplessly adjusting the suction force of the air source input device 200 is provided on the control circuit board 500.

[0058] In addition, in order to conveniently adjust the suction force generated by the gas source input device 200 in this embodiment, a rotatable rod 520 capable of stepless adjustment is provided on the control circuit board 500. The rotatable rod 520 is provided at the right end of the lower side of the control circuit board 500, as Figure 4 shown. The suction force of the gas source input device 200 can be steplessly adjusted through the rotatable rod 520.

[0059] Preferably, a knob 700 is further provided on the upper side of the upper housing 120. The knob 700 is connected to the rotatable rod 520 through a gear assembly 710, and the knob 700 protrudes from the second decorative plate 150.

[0060] Furthermore, in order to conveniently turn the rotatable rod 520, a knob 700 is provided at the right end of the upper housing 120. The knob 700 can turn the rotatable rod 520 through a gear assembly 710 composed of two gears, greatly improving the convenience of use of this embodiment. Of course, the second decorative plate 150 needs to reserve a position for installing the knob 700, specifically as Figure 1 shown.

[0061] Preferably, a display screen 530 is also provided on the control circuit board 500. The display screen 530 is installed at an opening provided on the main housing 130.

[0062] In this embodiment, in order to clearly judge the usage status of the gas source input device 200 and the power level of the battery 600, a display screen 530 is also provided. The display screen 530 is connected to the control circuit board 500, and the display screen 530 is installed on the main housing 130. An opening for installing the display screen 530 can be reserved on the upper side of the main housing 130. Such a setting makes the integrity of this embodiment stronger and more beautiful.

[0063] Preferably, a charging port 610 for connecting to the battery 600 and a power switch 540 for connecting to the control circuit board 500 are further provided inside the lower housing 110, and both the charging port 610 and the power switch 540 protrude from the first decorative plate 140.

[0064] In this embodiment, in order to improve the convenience of use of this embodiment, the battery 600 is preferably a rechargeable battery 600. Therefore, a charging port 610 is also provided on the left side of the lower housing 110. In addition, a power switch 540 connected to the control circuit board 500 is also provided. In this way, the power can be turned off after the breast pump is used to increase its service life. It should be noted that both the charging port 610 and the power switch 540 need to protrude from the first decorative plate 140.

[0065] Preferably, the materials of the lower housing 110, the upper housing 120, the main housing 130, the first decorative plate 140, and the second decorative plate 150 are all ABS plastics.

[0066] Specifically, the materials of the lower housing 110, the upper housing 120, the main housing 130, the first decorative plate 140, and the second decorative plate 150 in this embodiment are preferably ABS plastics. Of course, their materials can also be selected according to actual situations, and no specific limitations are made in this article.

[0067] It should be noted that in this specification, relational terms such as first and second are only used to distinguish one entity from several other entities, and do not necessarily require or imply any actual relationship or order between these entities.

[0068] The various embodiments in this specification are described in a progressive manner. Each embodiment focuses on the differences from other embodiments. For the same and similar parts among the various embodiments, reference can be made to each other.

[0069] The above has introduced the embodiments provided by the present utility model in detail. Specific examples are used in this article to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model. It should be pointed out that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and modifications can still be made to the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.

Claims

1. A breast pump, used to connect an external negative pressure output device through an air intake pipe, characterized in that: include: case; An air source input device (200), installed inside the housing and used to extract air from the air intake duct; A solenoid valve assembly (300) is installed inside the housing, and an air suction end of the solenoid valve assembly (300) is connected to a first interface (210) of the air source input device (200); An air intake connection sleeve assembly (400) is installed inside the housing and connected to the air intake end of the solenoid valve assembly (300); the air intake connection sleeve assembly (400) is used to connect to the air intake pipeline; a second interface (410) is provided on the upper side of the air intake connection sleeve assembly (400); A control circuit board (500) is mounted on the housing; the control circuit board (500) is connected to the gas source input device (200), and a negative pressure sensor (510) connected to the second interface (410) is provided on its lower side.

2. The breast pump according to claim 1, characterized in that: The air source input device (200) is specifically an air pump, and the solenoid valve assembly (300) comprises a first solenoid valve (310) and a second solenoid valve (320), wherein the air suction ends of the first solenoid valve (310) and the second solenoid valve (320) are connected to the first interface (210) via a three-way connector.

3. The breast pump according to claim 2, characterized in that: The air intake connecting sleeve assembly (400) comprises a first air intake connecting sleeve (420) and a second air intake connecting sleeve (430), the first air intake connecting sleeve (420) being connected to the air intake end of the first solenoid valve (310), the second air intake connecting sleeve (430) being connected to the air intake end of the second solenoid valve (320), the second interface (410) comprising a first sub-interface (411) arranged on the first air intake connecting sleeve (420) and a second sub-interface (412) arranged on the second air intake connecting sleeve (430); The negative pressure sensor (510) comprises a first sub-sensor (511) and a second sub-sensor (512); the first sub-sensor (511) is plugged into the first sub-interface (411), and the second sub-sensor (512) is plugged into the second sub-interface (412).

4. The breast pump according to claim 3, characterized in that: The housing comprises: A lower shell (110), wherein a groove is provided inside the lower shell (110) for accommodating and fixing the air source input device (200), the solenoid valve assembly (300), and the air intake connecting sleeve assembly (400); an upper housing (120) for cooperating with the lower housing (110) to fix and install various components inside the upper housing; the control circuit board (500) is mounted on an upper side surface outside the upper housing (120); and a through hole is provided on the top surface of the upper housing (120) for the negative pressure sensor to pass through so as to connect to the second interface (410) on the air intake connection sleeve assembly (400); A main shell (130) is provided with a receiving cavity therein, the receiving cavity being used to install the upper shell (120) and the lower shell (110) which cooperate with each other, a first decorative plate (140) and a second decorative plate (150) being provided on both sides of the main shell (130), respectively, and the air intake connecting sleeve assembly (400) is used to connect the port of the air intake duct to expose the first decorative plate (140).

5. The breast pump according to claim 4, characterized in that: A battery (600) for supplying power to the gas source input device (200) and the control circuit board (500) is also installed inside the lower housing (110).

6. The breast pump according to claim 4, characterized in that: The control circuit board (500) is provided with a rotating rod (520) for steplessly adjusting the suction force of the air source input device (200).

7. The breast pump according to claim 6, characterized in that A knob (700) is also provided on the upper side of the upper shell (120); the knob (700) is connected to the rotating rod (520) via a gear assembly (710); the knob (700) exposes the second decorative plate (150).

8. The breast pump according to claim 7, characterized in that The control circuit board (500) is also provided with a display screen (530), and the display screen (530) is installed at an opening provided on the main housing (130).

9. The breast pump according to claim 5, characterized in that: The lower housing (110) is also provided with a charging port (610) for connecting to the battery (600) and a switch key (540) for connecting to the control circuit board (500), and both the charging port (610) and the switch key (540) are exposed from the first decorative panel (140).

10. The breast pump according to claim 4, characterized in that: The lower shell (110), the upper shell (120), the main shell (130), the first decorative plate (140) and the second decorative plate (150) are all made of ABS plastic.

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