Integrated valve type vacuum pump, breast pump main machine and breast pump

Abstract

The invention discloses an integrated valve type vacuum pump, a breast pump main machine and a breast pump, and relates to the technical field of vacuumizing devices.The integrated valve type vacuum pump comprises an air exhaust assembly, a driving motor, a shell and a rotating shaft, an air cavity is formed in the shell, and the shell is provided with an air leakage channel and a connecting channel communicated with the breast pump; the integrated valve type vacuum pump further comprises a linkage arm, a linkage piece and a sealing piece. The linkage arm is rotationally connected with the rotating shaft, and the linkage arm is coupled with the linkage piece; and when the driving motor works, the rotating shaft is driven to rotate to drive at least one part of the linkage arm to move away from the rotating shaft or have the trend of moving away from the rotating shaft, so that the linkage piece is driven to move in the axial direction of the rotating shaft, and the sealing piece is driven to seal the air leakage channel. According to the technical scheme provided by the invention, the problem that the volume size of the breast pump is limited by the vacuum air exhaust assembly and the air release valve can be solved.

Description

Technical Field

[0001] The invention relates to the technical field of vacuum pumping devices, and in particular to an integrated valve vacuum pump, a breast pump host and a breast pump. Background Art

[0002] Existing breast pumps mainly use a vacuum suction component to extract air, create a negative pressure air cavity and draw milk out to the milk suction channel; then by opening the air release valve, outside air is allowed to enter the air cavity which was originally in a negative pressure state, and the air pressure in the air cavity is restored to atmospheric pressure, and at the same time, the milk in the milk suction channel is discharged into the milk storage cavity at atmospheric pressure.

[0003] In the above-mentioned milk suction and milk discharge process, the vacuum suction component and the air release valve of the breast pump are the core structural parts. However, the overall volume of the two is currently large, which limits the internal structural layout of the breast pump, resulting in a larger overall size of the breast pump. At the same time, the vacuum suction component and the air release valve need to be driven electrically, and the size of the battery is limited by the size. The current vacuum suction component and air release valve limit the size of the breast pump, which is not a good experience for users. Summary of the invention

[0004] The main purpose of the present invention is to provide an integrated valve vacuum pump, a breast pump host and a breast pump, aiming to solve the problem that the vacuum exhaust component and the air release valve limit the volume size of the breast pump.

[0005] To achieve the above-mentioned purpose, the present invention proposes an integrated valve vacuum pump, the integrated valve vacuum pump comprises an exhaust component, a drive motor, a shell and a rotating shaft, an air cavity is formed in the shell, the shell is provided with an air leakage channel and a connecting channel connected to a breast pump, the air leakage channel connects the air cavity with the outside, the drive motor is used to drive the rotating shaft to rotate and drive the exhaust component through the rotating shaft to form a negative pressure space in the air cavity, the integrated valve vacuum pump also comprises a linkage arm, a linkage member and a sealing member; the linkage arm is rotatably connected to the rotating shaft, and the linkage arm is coupled to the linkage member; it is configured that when the drive motor is working, it drives the rotating shaft to rotate so as to drive at least a part of the linkage arm to move away from the rotating shaft or has a tendency to move away from the rotating shaft, so as to drive the linkage member to move along the axial direction of the rotating shaft, so as to drive the sealing member to seal the air leakage channel.

[0006] In one embodiment, the linkage arm includes a connecting arm and a centrifugal block; the connecting arm is rotatably connected to the rotating shaft, and when the driving motor is working, it drives the rotating shaft to rotate, so as to drive the centrifugal block to move away from the rotating shaft or have a tendency to move away from the rotating shaft, so as to drive the linkage to move along the axial direction of the rotating shaft, so as to drive the sealing member to seal the air leakage channel.

[0007] In one embodiment, the linkage member includes a turntable, which is rotatably mounted on the rotating shaft and can move along the axial direction of the rotating shaft. The linkage arm includes a first connecting structure, and the turntable includes a second connecting structure. Through the cooperation of the first connecting structure and the second connecting structure, the centrifugal block can drive the turntable to move along the axial direction of the rotating shaft when it moves away from the rotating shaft.

[0008] In one embodiment, the second connecting structure includes a guide groove, and the guide groove includes a second guide surface; the first connecting structure includes a first guide surface; when the linkage arm rotates relative to the rotating shaft, the second guide surface slides along the first guide surface to make the turntable move along the axial direction of the rotating shaft.

[0009] In one embodiment, the linkage member also includes a valve block, which is sleeved on the rotating shaft and can move along the axial direction of the rotating shaft; the valve block is arranged between the turntable and the sealing member, and the valve block can rotate relative to the turntable. When the driving motor is working, the rotating shaft is driven to rotate to drive the centrifugal block to move, so that the turntable moves along the axial direction of the rotating shaft, so as to drive the valve block to drive the sealing member to seal the air leakage channel.

[0010] In one embodiment, when the driving motor drives the rotating shaft to rotate, the centrifugal block moves away from the rotating shaft in the radial direction of the rotating shaft, and drives the turntable to move in the axial direction of the rotating shaft through the cooperation of the first connecting structure and the second connecting structure.

[0011] In one embodiment, the number of the linkage arms is one or more.

[0012] In one embodiment, the linkage member is at least partially disposed on a side of the centrifugal block away from the rotating shaft.

[0013] In one embodiment, the rotating disk and the centrifugal block are in abutting connection when the driving motor is started, or the rotating disk and the centrifugal block are magnetically connected.

[0014] In one embodiment, one of the rotating disk or the linkage arm is provided with a limiting groove, and the other is provided with a limiting column, and the limiting column and the limiting groove can rotate relative to each other.

[0015] In one embodiment, an elastic member is disposed between the linkage member and the housing, and when the drive motor is working, the elastic member enables the sealing member to open the air leakage channel.

[0016] The present invention also provides a breast pump host, comprising an integrated valve vacuum pump and a battery for providing electrical energy to the pump.

[0017] The present invention further provides a breast pump, comprising a breast pump main body, a suction cup communicated with the air cavity, and a milk storage container, wherein the milk storage container is used to store milk sucked out by the suction cup.

[0018] The present invention designs an integrated valve vacuum pump, which includes an exhaust component, a drive motor, a housing and a rotating shaft. An air cavity is formed inside the housing, and an air leakage channel and a connecting channel are provided on the housing, and the latter is connected to a breast pump. One end of the air leakage channel is connected to the air cavity, and the other end leads to the outside. The drive motor drives the exhaust component through the rotating shaft to form a negative pressure in the air cavity. In addition, the integrated valve vacuum pump also includes a linkage arm, a linkage member and a sealing member. The linkage arm is connected to the rotating shaft and coupled with the linkage member. When the drive motor is working, the rotating shaft rotates, driving the linkage arm to move, and then driving the linkage member to move in the axial direction, and finally realizing the sealing of the air leakage channel by the sealing member. Through this design, the miniaturization and integration of the vacuum pump can be achieved, because the mechanical linkage design of the linkage arm and the linkage member can accurately control the movement of the sealing member, thereby effectively managing the negative pressure state in the air cavity. This precise control not only improves the milk suction efficiency of the breast pump, but also reduces the performance degradation of the breast pump caused by improper management of the air leakage channel. In addition, due to the small size of the integrated valve vacuum pump, the overall design of the breast pump can be made more compact, easy to carry and use, while improving the user experience. In addition, precise air path control also helps reduce noise and vibration, making the breast pumping process more comfortable. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention 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 present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0020] Figure 1 A schematic structural diagram of an embodiment of an integrated valve vacuum pump provided by the present invention;

[0021] Figure 2 A schematic structural diagram of an embodiment of a linkage arm and a linkage member provided by the present invention;

[0022] Figure 3 A schematic structural diagram of another embodiment of a linkage arm and a linkage member provided by the present invention;

[0023] Figure 4 A schematic structural diagram of another embodiment of the integrated valve vacuum pump provided by the present invention;

[0024] Figure 5 A schematic structural diagram of another embodiment of the integrated valve vacuum pump provided by the present invention;

[0025] Figure 6 A schematic structural diagram of another embodiment of the linkage arm and linkage member provided by the present invention;

[0026] Figure 7 This is a schematic structural diagram of another embodiment of the linkage arm and linkage member provided by the present invention.

[0027] Description of Figure Numbers:

[0028] 100. Integrated valve vacuum pump; 1. Vacuum assembly; 2. Drive motor; 3. Shell; 3a. Air cavity; 3b. Air release channel; 4. Rotating shaft; 41. Boss; 41a. First transmission hole; 42. External thread; 43. Limiting platform; 5. Linkage arm; 51. First connecting structure; 511. First guide surface; 511a. Fixed groove; 52. Connecting arm; 53. Centrifugal block; 53a. Threaded hole; 54. Transmission shaft; 55. First centrifugal section; 56. Second centrifugal section; 6. Linkage member; 61. Turntable; 61a. Second transmission hole; 611. Second connecting structure; 611a. Guide groove; 612. Second guide surface; 62. Valve block; 7. Sealing member; 8. Elastic member.

[0029] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0032] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0033] The present invention provides an integrated valve vacuum pump 100 .

[0034] See also Figure 1 In one embodiment of the present invention, the integrated valve vacuum pump 100 includes an exhaust assembly 1, a drive motor 2, a shell 3 and a rotating shaft 4. An air cavity 3a is formed in the shell 3. The shell 3 is provided with an air leakage channel 3b and a connecting channel connected to the breast pump. The air leakage channel 3b connects the air cavity 3a with the outside. The drive motor 2 is used to drive the rotating shaft 4 to rotate and drive the exhaust assembly 1 through the rotating shaft 4 to form a negative pressure space in the air cavity 3a. The integrated valve vacuum pump 100 also includes a linkage arm 5, a linkage member 6 and a sealing member 7; the linkage arm 5 is rotatably connected to the rotating shaft 4, and the linkage arm 5 is coupled to the linkage member 6; it is configured that when the drive motor 2 is working, the driving shaft 4 is rotated to drive at least a part of the linkage arm 5 to move away from the rotating shaft 4 or has a tendency to move away from the rotating shaft 4, so as to drive the linkage member 6 to move along the axial direction of the rotating shaft 4, so as to drive the sealing member 7 to seal the air leakage channel 3b.

[0035] In this embodiment, the air extraction component 1 is a key part of the integrated valve vacuum pump 100, and its main function is to generate and maintain the negative pressure state in the air cavity 3a; the air extraction component 1 can be designed as a diaphragm made of a flexible material, which is installed inside the air cavity 3a and mechanically connected to the rotating shaft 4. One side of the diaphragm is connected to the air cavity 3a, and the other side forms a sealed chamber. The rotating shaft 4 is connected to the input end of the diaphragm through a mechanical connection (such as a gear, a belt or a direct connection). When the drive motor 2 is started and drives the rotating shaft 4 to rotate, the diaphragm reciprocates accordingly. The reciprocating motion of the diaphragm causes the volume in the air cavity 3a to change periodically. When the diaphragm moves and reduces the volume of the air cavity 3a, the air in the air cavity 3a is discharged to form a negative pressure; when the diaphragm moves and increases the volume of the air cavity 3a, the outside air enters the air cavity 3a through the air release channel 3b to release the negative pressure. In order to control the generation and release of negative pressure, the air extraction component 1 can be equipped with a linkage 6, which interacts with the sealing member 7. During the negative pressure generation stage, the linkage 6 causes the seal 7 to close the air leakage channel 3b to prevent air from entering; during the negative pressure release stage, the linkage 6 causes the seal 7 to open the air leakage channel 3b to allow air to flow in. The material of the vacuum assembly 1 needs to have sufficient flexibility and durability to withstand long-term reciprocating motion without fatigue damage. Commonly used materials include silicone, rubber, polytetrafluoroethylene (PTFE), etc. The entire vacuum assembly 1 is integrated in the housing 3, and together with the drive motor 2, the shaft 4, the linkage 6 and the seal 7, it forms a compact and efficient vacuum pump system.

[0036] Among them, the drive motor 2 is the core part of the integrated valve vacuum pump 100. The drive motor 2 is responsible for providing power to drive the switch of the suction component 1 and the air release channel 3b, so as to achieve the generation of intermittent negative pressure. The drive motor 2 can be a DC motor, a brushless motor or a stepper motor as the drive motor 2. These motor types have precise control capabilities and high efficiency. In order to adapt to the compact design of the integrated valve vacuum pump 100, the size of the drive motor 2 needs to be as small as possible, while ensuring sufficient torque output to drive the suction component 1. The speed of the drive motor 2 can be adjusted by the motor driver and the control system. In the application of the breast pump, different suction rates may be required to meet the needs of different users, so the speed of the drive motor 2 should be adjustable. The drive motor 2 needs to provide sufficient torque to ensure that the suction component 1 can effectively form a negative pressure in the air cavity 3a, and the size of the torque directly affects the suction force. The torque motor is usually directly connected to the suction component 1 through the rotating shaft 4. In the application of the breast pump, the noise level of the drive motor 2 should be as low as possible to provide a comfortable use experience. Brushless motors are usually quieter than other types of motors.

[0037] Furthermore, the housing 3 is the basic part of the integrated valve vacuum pump 100, which provides accommodation space and structural support for other components of the integrated valve vacuum pump 100, such as the vacuum assembly 1, the drive motor 2, the rotating shaft 4, etc. The housing 3 is usually made of a durable and lightweight material, such as an aluminum alloy or plastic, to reduce the overall weight while ensuring strength. The housing 3 is formed with an air cavity 3a and an air leakage channel 3b and a connecting channel connected to the air cavity 3a. The air cavity 3a is a key part in forming negative pressure, and the air leakage channel 3b is used to control the gas exchange between the air cavity 3a and the outside world. The design of the housing 3 must ensure good sealing to maintain the negative pressure state in the air cavity 3a.

[0038] It should be noted that the rotating shaft 4 is responsible for transmitting the rotational motion of the motor to the vacuum assembly 1. The rotating shaft 4 is usually made of high-strength steel or alloy materials to ensure its durability and reliability under high load conditions. The connection between the rotating shaft 4 and the motor and the vacuum assembly 1 can be direct, or it can be achieved through a coupling, gears or other transmission devices to meet different design requirements. In order to reduce friction and ensure the smooth operation of the rotating shaft 4, precision bearings will be installed on the rotating shaft 4, which can withstand axial and radial loads. The part of the rotating shaft 4 that passes through the housing 3 needs to have good sealing performance to prevent air leakage and maintain the negative pressure state in the air cavity 3a.

[0039] The linkage 6 is connected to the rotating shaft 4 through the linkage arm 5, and the rotation of the rotating shaft 4 is transmitted to the linkage 6 through the linkage arm 5. This design allows the linkage 6 to move in the axial direction under the drive of the rotating shaft 4, thereby sealing and opening the air leakage channel 3b. The design of the linkage 6 can adopt sliding or rotating bearings to reduce friction and improve the smoothness of movement. The material selection of the linkage 6 should take into account the force and movement frequency it needs to withstand. Generally, high-strength engineering plastics or lightweight metals such as aluminum alloys can be used to ensure durability and reduce overall weight. In addition, considering the needs of hygiene and disinfection, the material should also be non-toxic, corrosion-resistant, and easy to clean. Through the above design, the linkage 6 can achieve precise control of the position of the seal 7, thereby effectively managing the negative pressure state in the air cavity 3a. This precise control improves the milk suction efficiency of the breast pump and reduces the performance degradation caused by improper management of the air leakage channel 3b. In addition, since the design of the linkage 6 allows a compact layout, it helps to reduce the overall size of the breast pump and improve portability.

[0040] In the present embodiment, the seal 7 is a key component for maintaining negative pressure in the air cavity 3a. In the integrated valve vacuum pump 100, the function of the seal 7 is to open the air leakage channel 3b when the drive motor 2 stops working, and to seal the air leakage channel 3b when the drive motor 2 is working, so as to maintain the negative pressure state in the air cavity 3a. According to the working environment (such as temperature, pressure, medium, etc.) in the air cavity 3a, a suitable sealing material is selected, and commonly used sealing materials include nitrile rubber, fluororubber, silicone rubber, polytetrafluoroethylene, etc. The seal 7 can be designed to be a form that can form a good seal with the periphery of the air leakage channel 3b, such as an O-ring, a cylindrical or other shaped seal 7, to ensure that no leakage occurs under negative pressure. The seal 7 is correctly installed in the position of the air leakage channel 3b to ensure that it can correctly open and close the air leakage channel 3b under the drive of the rotating shaft 4.

[0041] The present invention is designed to provide an integrated valve vacuum pump 100, which includes an exhaust assembly 1, a drive motor 2, a housing 3 and a rotating shaft 4. An air cavity 3a is formed inside the housing 3, and an air release channel 3b and a connecting channel are provided on the housing 3, the latter being connected to a breast pump. One end of the air release channel 3b is connected to the air cavity 3a, and the other end leads to the outside. The drive motor 2 drives the exhaust assembly 1 through the rotating shaft 4, so that a negative pressure is formed in the air cavity 3a. In addition, the integrated valve vacuum pump 100 also includes a linkage arm 5, a linkage member 6 and a sealing member 7. The linkage arm 5 is connected to the rotating shaft 4 and coupled to the linkage member 6. When the drive motor 2 is working, the rotating shaft 4 rotates, driving the linkage arm 5 to move, and then driving the linkage member 6 to move in the axial direction, and finally realizing the sealing of the air release channel 3b by the sealing member 7. Through this design, the miniaturization and integration of the vacuum pump can be achieved, because the mechanical linkage design of the linkage arm 5 and the linkage member 6 can accurately control the movement of the sealing member 7, thereby effectively managing the negative pressure state in the air cavity 3a. This precise control not only improves the milking efficiency of the breast pump, but also reduces the performance degradation of the breast pump caused by improper management of the air leakage channel 3b. In addition, due to the small size of the integrated valve vacuum pump 100, the overall design of the breast pump can be made more compact, easy to carry and use, and improve the user experience. In addition, precise air path control also helps to reduce noise and vibration, making the milking process more comfortable.

[0042] In one embodiment of the present invention, see Figure 1 and Figure 2 The linkage arm 5 includes a connecting arm 52 and a centrifugal block 53; the connecting arm 52 is rotatably connected to the rotating shaft 4. When the driving motor 2 is working, the rotating shaft 4 is driven to rotate, so as to drive the centrifugal block 53 to move away from the rotating shaft 4 or have a tendency to move away from the rotating shaft 4, so as to drive the linkage member 6 to move along the axial direction of the rotating shaft 4, so as to drive the sealing member 7 to seal the air leakage channel 3b.

[0043] In one embodiment, the linkage arm 5 includes a connecting arm 52 and a centrifugal block 53. The connecting arm 52 is rotatably connected to the rotating shaft 4. When the driving motor 2 works and drives the rotating shaft 4 to rotate, the centrifugal block 53 will move away from the rotating shaft 4 or have a tendency to move away from the rotating shaft 4 due to the rotation of the rotating shaft 4. This design enables the centrifugal block 53 to drive the linkage member 6 to move in the axial direction of the rotating shaft 4, and then drive the sealing member 7 to seal the air leakage channel 3b. Specifically, the connecting arm 52 can be designed to be fixedly connected to the rotating shaft 4, for example, by a keyway or a threaded connection, to ensure that it can move synchronously when the rotating shaft 4 rotates. The centrifugal block 53 can be designed to be a structure with a large mass so that it can generate enough centrifugal force to achieve linkage during rotation. In order to improve efficiency and response speed, the centrifugal block 53 can be made of a material with a large density, such as cast iron or high-density plastic. In addition, in order to ensure that the linkage member 6 can accurately move in the axial direction, a precise bearing system or sliding mechanism can be set between the connecting arm 52 and the centrifugal block 53 to reduce friction and improve the smoothness of movement. The design of the seal 7 also needs to take sealing performance and durability into consideration, and materials such as silicone or rubber may generally be used.

[0044] In one embodiment of the present invention, see Figure 2 The linkage member 6 includes a turntable 61, which is rotatably mounted on the rotating shaft 4 and can move along the axial direction of the rotating shaft 4. The linkage arm 5 includes a first connecting structure 51, and the turntable 61 includes a second connecting structure 611. Through the cooperation of the first connecting structure 51 and the second connecting structure 611, the centrifugal block 53 drives the turntable 61 to move along the axial direction of the rotating shaft 4 when it moves away from the rotating shaft 4.

[0045] In this embodiment, the turntable 61 of the linkage member 6 is designed to be rotatably sleeved on the rotating shaft 4, and there should be a bearing or other form of low-friction connection between the turntable 61 and the rotating shaft 4, so that the turntable 61 can rotate freely on the rotating shaft 4. In order to realize the movement of the turntable 61 along the axial direction of the rotating shaft 4, the turntable 61 is designed to have a certain degree of displacement freedom in the axial direction. The first connection structure 51 of the linkage arm 5 and the second connection structure 611 of the turntable 61 are key matching parts, which work together to realize the axial movement of the turntable 61. The first connection structure 51 can be a protrusion or groove extending from the linkage arm 5, and the second connection structure 611 can be a groove or protrusion on the turntable 61, which is used to connect the protrusion or groove of the linkage arm 5. When the drive motor 2 works and drives the rotating shaft 4 to rotate, the centrifugal block 53 moves away from the rotating shaft 4 due to the action of centrifugal force. This movement is transmitted to the turntable 61 through the cooperation of the first connection structure 51 and the second connection structure 611, so that the turntable 61 moves along the axial direction of the rotating shaft 4. For example, when the centrifugal block 53 moves, it may push the raised portion of the linkage arm 5, which in turn cooperates with the groove or hole on the turntable 61, causing the turntable 61 to move in the axial direction. In order to ensure that the axial movement of the turntable 61 is smooth and accurate, the design of the first connection structure 51 and the second connection structure 611 needs to take into account the efficiency and accuracy of force transmission. The outer wall of the rotating shaft 4 can be provided with a boss 41; the linkage arm 5 is rotatably connected to the boss 41; the boss 41 is provided with a first transmission hole 41a, and the turntable 61 is provided with a second transmission hole 61a; the linkage arm 5 is provided with a transmission shaft 54, and the transmission shaft 54 ​​passes through the linkage arm 5 in the axial direction of the rotating shaft 4, and the two ends of the transmission shaft 54 ​​are rotatably inserted in the first transmission hole 41a and the second transmission hole 61a respectively. In addition, in order to ensure long-term stable performance, the materials of these connection structures should be selected from wear-resistant and high-strength materials, such as stainless steel or engineering plastics. Through this design, the present invention can effectively utilize the movement of the centrifugal block 53 to realize the axial movement of the turntable 61, thereby driving the seal 7 to seal the air leakage channel 3b, and realizing efficient operation of the breast pump. This design helps to reduce the volume of the breast pump and improve its portability and user-friendliness.

[0046] In one embodiment of the present invention, see Figure 2 The second connecting structure 611 includes a guide groove 611a, and the guide groove 611a includes a second guide surface 612; the first connecting structure 51 includes a first guide surface 511; when the linkage arm 5 rotates relative to the rotating shaft 4, the second guide surface 612 slides along the first guide surface 511 to make the turntable 61 move along the axial direction of the rotating shaft 4.

[0047] In the embodiment of the present invention, the matching design of the guide groove 611a of the second connection structure 611 and the first connection structure 51 ensures that the turntable 61 can move smoothly and accurately along the axial direction of the rotating shaft 4. This design utilizes the sliding mechanism between the guide surfaces; wherein, the guide groove 611a on the turntable 61 is designed with the second guide surface 612, and the second guide surface 612 can be the side or bottom surface of the guide groove 611a, and its shape and size are designed to match the first guide surface 511. The first guide surface 511 on the linkage arm 5 can be a raised edge, a plane or other shapes for contacting the second guide surface 612. When the linkage arm 5 rotates relative to the rotating shaft 4, the movement of the centrifugal block 53 transmits force through the linkage arm 5, so that relative sliding occurs between the first guide surface 511 and the second guide surface 612. The guide groove 611a can be a straight groove or a curved groove, and the specific shape depends on the required motion trajectory. The size of the guide groove 611a needs to be sufficient to accommodate the first guide surface 511, and a certain gap is left to reduce friction. In order to reduce friction and wear, the surfaces of the guide groove 611a and the first guide surface 511 can be smoothed or coated. With this design, the turntable 61 can rotate freely on the shaft 4 while also moving precisely in the axial direction, thereby opening and closing the seal 7. This mechanism not only improves the efficiency of the breast pump, but also helps to reduce the size of the device.

[0048] In one embodiment of the present invention, see Figure 2 The linkage member 6 also includes a valve block 62, which is sleeved on the rotating shaft 4 and can move along the axial direction of the rotating shaft 4; the valve block 62 is arranged between the turntable 61 and the sealing member 7, and the valve block 62 can rotate relative to the turntable 61. When the driving motor 2 is working, the driving shaft 4 is rotated to drive the centrifugal block 53 to move, so that the turntable 61 moves along the axial direction of the rotating shaft 4, so as to drive the valve block 62 to drive the sealing member 7 to seal the air leakage channel 3b.

[0049] In one embodiment, the linkage 6 includes not only a turntable 61 and a guide groove 611a, but also a valve block 62, through which the precise control of the air leakage channel 3b is achieved. The valve block 62 is designed to be sleeved on the rotating shaft 4 and can move in the axial direction of the rotating shaft 4 to respond to the axial movement of the turntable 61. The valve block 62 is arranged between the turntable 61 and the seal 7 and can rotate relative to the turntable 61. This relative rotation ability is the key to realizing the function of the valve block 62, because it allows the valve block 62 to work with the seal 7 when the turntable 61 moves. The movement and rotation of the valve block 62 will drive the seal 7 so that it can accurately seal the air leakage channel 3b. This cooperation can be designed to directly push the seal 7, or to be achieved through a mechanical connection such as a connecting rod or a lever. When the drive motor 2 is working, it drives the rotating shaft 4 to rotate, thereby driving the centrifugal block 53 to move. The movement of the centrifugal block 53 is coordinated with the linkage arm 5 and the rotating disk 61, so that the rotating disk 61 moves along the axial direction of the rotating shaft 4, and finally drives the valve block 62 to move. Driven by the rotating disk 61, the valve block 62 moves along the axial direction and rotates relative to the rotating disk 61 to achieve control of the sealing member 7. This control can be a direct physical push or an indirect control through a mechanical connection. When the valve block 62 moves to a specific position, it will drive the sealing member 7 to seal the air leakage channel 3b, thereby controlling the milk suction and milk discharge process of the breast pump.

[0050] In one embodiment of the present invention, see Figure 2 and Figure 3 When the driving motor 2 drives the rotating shaft 4 to rotate, the centrifugal block 53 moves away from the rotating shaft 4 in the radial direction of the rotating shaft 4, and drives the turntable 61 to move in the axial direction of the rotating shaft 4 through the cooperation of the first connecting structure 51 and the second connecting structure 611.

[0051] In this embodiment, the drive motor 2 is fixed to the housing 3 of the breast pump and is connected to the rotating shaft 4. The rotating shaft 4 is a key component connecting the drive motor 2 and the centrifugal block 53, and is usually made of high-strength material to withstand the torque generated by the drive motor 2. The centrifugal block 53 is fixed to the rotating shaft 4 and is designed to move radially when the rotating shaft 4 rotates. The mass distribution and shape design of the centrifugal block 53 need to be carefully calculated to ensure that sufficient centrifugal force is generated during rotation to achieve the required movement. The first connecting structure 51 is located on the linkage arm 5, and the second connecting structure 611 is located on the turntable 61. When the centrifugal block 53 moves radially, it pushes the turntable 61 to move in the axial direction of the rotating shaft 4 through the interaction between the first connecting structure 51 and the second connecting structure 611. The turntable 61 responds to the movement of the centrifugal block 53 through the cooperation of the first connecting structure 51 and the second connecting structure 611 to achieve axial movement along the rotating shaft 4. The linkage arm 5 may further include a first centrifugal section 55 located between the transmission shaft 54 ​​and the centrifugal block 53, and a second centrifugal section 56 located between the transmission shaft 54 ​​and the first guide surface 511, wherein the length of the first centrifugal section 55 is greater than the length of the second centrifugal section 56. The moving distance and speed of the rotating disk 61 may be controlled by adjusting the mass of the centrifugal block 53 and the rotation speed of the rotating shaft 4. As the rotating disk 61 moves axially, the valve block 62 is also driven, thereby pushing the sealing member 7 to perform a sealing action, thereby controlling the opening and closing of the air release channel 3b.

[0052] In one embodiment of the present invention, see Figure 3 and Figure 4 , the number of linkage arms 5 is one or more.

[0053] In one embodiment, the number of linkage arms 5 can be one or more. When there is only one linkage arm 5, the movement of the centrifugal block 53 is directly transmitted to the turntable 61 through the linkage arm 5, so that the turntable 61 can move axially along the rotating shaft 4. The design of a single linkage arm 5 is simpler and has a lower cost, but it may be limited in terms of torque and stability. Using multiple linkage arms 5 can disperse the torque and improve the stability and balance of the entire system. Multiple linkage arms 5 can act simultaneously or sequentially to achieve more complex motion control. For example, the motion characteristics of the turntable 61 can be optimized by driving in different phases. In the design of multiple linkage arms 5, each linkage arm 5 can be connected to a different centrifugal block 53, so that the force transmission is more uniform and effective. The linkage arms 5 can be evenly distributed around the rotating shaft 4 to ensure uniform force transmission. The design of the linkage arm 5 should take into account the synchronization of the movement to avoid vibration or noise caused by unbalanced torque. As the number of linkage arms 5 increases, the design of the seal 7 and the valve block 62 also needs to be adjusted accordingly to ensure the accuracy and reliability of the sealing action.

[0054] In one embodiment of the present invention, see Figure 5The linkage member 6 is at least partially disposed on a side of the centrifugal block 53 away from the rotating shaft 4 .

[0055] In this embodiment, the position layout of the linkage member 6 is also a key point. When the linkage member 6 is at least partially arranged on the side of the centrifugal block 53 away from the rotating shaft 4, such a layout can provide more effective force transmission and more flexible motion control. Specifically, the linkage member 6 includes a turntable 61 and a valve block 62, which is designed to be at least partially located on the side of the centrifugal block 53 away from the rotating shaft 4. This layout helps to utilize the radial movement generated by the centrifugal block 53 when rotating. The centrifugal block 53 is usually designed to have a large mass on one side of the rotating shaft 4 so as to generate sufficient centrifugal force when rotating. The linkage member 6 is arranged on the other side of the centrifugal block 53, and this centrifugal force can be effectively utilized to drive the linkage member 6. The centrifugal force generated by the centrifugal block 53 when rotating can be transmitted to the linkage member 6, such as the turntable 61, through the linkage arm 5 or other mechanical connections. This force transmission method can make the turntable 61 move in the axial direction of the rotating shaft 4. The linkage member 6 is arranged on the side of the centrifugal block 53 away from the rotating shaft 4, which can optimize space utilization and make the design of the entire breast pump more compact. This layout helps to improve the stability and balance of the system, because the mass of the centrifugal mass 53 and the position of the linkage 6 can be carefully designed to offset the torque generated during rotation.

[0056] In one embodiment of the present invention, see Figure 6 The turntable 61 and the centrifugal block 53 are in abutment connection when the driving motor 2 is started, or the turntable 61 and the centrifugal block 53 are magnetically connected.

[0057] In one embodiment, the connection modes of the turntable 61 and the centrifugal block 53 include a contact connection and a magnetic connection. When the drive motor 2 is started, the turntable 61 is connected to the centrifugal block 53 by a direct contact mode. Specifically, a fixed groove 511a is provided on the side of the turntable 61 away from the first guide surface 511, and the centrifugal block 53 is clamped and limited in the fixed groove 511a. This design usually involves specific contact surfaces on the turntable 61 and the centrifugal block 53, which conflict with each other when the motor starts, thereby transmitting torque. This connection mode is simple and direct, but it may be necessary to consider the material and wear resistance of the contact surface to ensure long-term stable performance. Another implementation method is to use magnetic materials to achieve the connection between the turntable 61 and the centrifugal block 53. The magnetic connection can be a permanent magnet or an electromagnet, which uses magnetic force to absorb or push the turntable 61 to move. The advantage of magnetic connection is that there is no direct mechanical contact, so wear and noise can be reduced, while providing a certain buffering effect. However, this design needs to consider the strength and stability of the magnetic field, as well as possible heat accumulation problems. In these two connection methods, the cooperation between the turntable 61 and the centrifugal block 53 is the key, and precise design is required to ensure that during the startup and operation of the motor, the turntable 61 can accurately move along the axial direction of the shaft 4, thereby driving the valve block 62 and the seal 7 to achieve effective control of the air leakage channel 3b.

[0058] In one embodiment of the present invention, see Figure 6 One of the rotating disk 61 or the linkage arm 5 is provided with a limiting groove, and the other is provided with a limiting column, and the limiting column and the limiting groove can rotate relative to each other.

[0059] In this embodiment, one of the rotating disk 61 or the linkage arm 5 is provided with a limiting groove, and the other component is provided with a limiting column. This design allows the limiting column to rotate in the limiting groove, thereby achieving accurate positioning of the rotating disk 61 or the linkage arm 5 and limiting its range of motion. This design helps to reduce wear and allows the rotating disk 61 or the linkage arm 5 to be adjusted when necessary. The selection of materials for the limiting column and the limiting groove needs to take into account wear resistance and strength. Specifically, the outer peripheral wall of the rotating shaft 4 can be provided with an external thread 42; the centrifugal block 53 is penetrated and opened along the axial direction of the rotating shaft 4 with a threaded hole 53a; the rotating shaft 4 is screwed with the centrifugal block 53 through the cooperation of the external thread 42 and the threaded hole 53a; wherein the driving motor 2 can drive the rotating shaft 4 to drive the centrifugal block 53 to rotate, so that the rotating disk 61 moves closer to or away from the air leakage channel 3b. Materials such as stainless steel, engineering plastics or bearing steel can usually be selected to ensure long-term and stable use. The advantages of this design are simple structure, easy implementation, and reliable limiting effect. At the same time, since the limit column and the limit slot can rotate, a certain adjustment space is allowed, which helps to deal with errors in the manufacturing and installation process. Through this design, the stability and safety of the turntable 61 or the linkage arm 5 during the movement can be ensured, and it is also convenient to achieve precise control.

[0060] In one embodiment of the present invention, see Figure 6 and Figure 7 An elastic member 8 is provided between the linkage member 6 and the housing 3. When the drive motor 2 is working, the elastic member 8 enables the sealing member 7 to open the air leakage channel 3b.

[0061] In this embodiment, an elastic member 8 is provided between the linkage member 6 and the housing 3. Such a design can utilize the elastic force of the elastic member 8 to realize the opening control of the air leakage channel 3b by the seal 7 when the drive motor 2 stops working. Specifically, the elastic member 8 is arranged between the linkage member 6 and the housing 3, and can be a spring, an elastic gasket or other types of elastomers. Such elastic member 8 will undergo corresponding compression deformation when the drive motor 2 starts. When the drive motor 2 stops rotating, the compressed elastic member 8 provides the necessary elastic force to control the seal 7 away from the air leakage channel 3b. When the drive motor 2 starts, the centrifugal block 53 starts to move. Through the cooperation of the first connecting structure 51 and the second connecting structure 611, the movement of the centrifugal block 53 is transmitted to the turntable 61, and the axial movement of the turntable 61 is further transmitted to the seal 7 through the elastic member 8. Through the control of the seal 7 by the elastic member 8, the rapid opening and closing of the air leakage channel 3b can be realized, thereby accurately controlling the milk suction and milk discharge process of the breast pump. The advantage of this design is that the elastic force of the elastic member 8 can be used to achieve precise control of the sealing member 7. At the same time, the addition of the elastic member 8 can also play a role in buffering and shock absorption, thereby improving the stability and service life of the entire system.

[0062] The present invention further provides a breast pump host, comprising an integrated valve vacuum pump 100 and a battery for providing electrical energy to the pump.

[0063] The breast pump host of the present invention includes an integrated valve vacuum pump 100, which is characterized in that a battery is directly integrated into the breast pump host to provide power for the pump. By integrating the battery inside the host, external connecting wires and accessories can be reduced, making the breast pump more portable and easy to use. The built-in battery can be designed to be highly matched with the motor and control system of the breast pump, thereby improving energy efficiency and performance. The built-in battery is usually equipped with a USB charging interface or other charging methods, which is convenient for users to charge.

[0064] The present invention further provides a breast pump, comprising a breast pump main body, a suction cup communicated with the air cavity 3a, and a milk storage container, wherein the milk storage container is used to store milk sucked out by the suction cup.

[0065] In this embodiment, the breast pump includes a breast pump host, a suction cup and a milk storage container, forming a complete milk suction and milk storage device. Specifically, as the core component of the breast pump, the integrated valve vacuum pump 100 realizes the generation and control of negative pressure through a sophisticated design, thereby efficiently assisting the milk suction process. The host part integrates a vacuum pump and an electric energy supply system, i.e., a battery, making the entire breast pump more portable and easy to operate. The suction cup is connected to the air cavity 3a, and the design takes into account the adsorption force and the user's comfort, ensuring the stability and efficiency of the milk suction process. The milk storage container is used to store the milk sucked out by the suction cup, and the design takes into account hygiene, sealing and portability, ensuring the freshness and safety of breast milk. The design of the entire breast pump emphasizes integration, so that the cooperation between the various components is closer, and the convenience of use and overall performance are improved. The breast pump can also be equipped with an intelligent control system, which realizes precise control of the milk suction process through an intelligent controller to enhance the user experience. The design of this breast pump is intended to provide an efficient, portable and easy-to-use solution to meet the needs of modern mothers in breastfeeding.

[0066] The present invention is designed to provide an integrated valve vacuum pump 100, which includes an exhaust assembly 1, a drive motor 2, a housing 3 and a rotating shaft 4. An air cavity 3a is formed inside the housing 3, and an air release channel 3b and a connecting channel are provided on the housing 3, the latter being connected to a breast pump. One end of the air release channel 3b is connected to the air cavity 3a, and the other end leads to the outside. The drive motor 2 drives the exhaust assembly 1 through the rotating shaft 4, so that a negative pressure is formed in the air cavity 3a. In addition, the integrated valve vacuum pump 100 also includes a linkage arm 5, a linkage member 6 and a sealing member 7. The linkage arm 5 is connected to the rotating shaft 4 and coupled to the linkage member 6. When the drive motor 2 is working, the rotating shaft 4 rotates, driving the linkage arm 5 to move, and then driving the linkage member 6 to move in the axial direction, and finally realizing the sealing of the air release channel 3b by the sealing member 7. Through this design, the miniaturization and integration of the vacuum pump can be achieved, because the mechanical linkage design of the linkage arm 5 and the linkage member 6 can accurately control the movement of the sealing member 7, thereby effectively managing the negative pressure state in the air cavity 3a. This precise control not only improves the milking efficiency of the breast pump, but also reduces the performance degradation of the breast pump caused by improper management of the air leakage channel 3b. In addition, due to the small size of the integrated valve vacuum pump 100, the overall design of the breast pump can be made more compact, easy to carry and use, and improve the user experience. In addition, precise air path control also helps to reduce noise and vibration, making the milking process more comfortable.

[0067] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An integrated valve vacuum pump, characterized in that: The integrated valve type vacuum pump comprises an air extraction component (1), a driving motor (2), a housing (3) and a rotating shaft (4); an air cavity (3a) is formed in the housing (3); the housing (3) is provided with an air leakage channel (3b) and a connecting channel connected to the breast pump; the air leakage channel (3b) connects the air cavity (3a) with the outside; the driving motor (2) is used to drive the rotating shaft (4) to rotate and drive the air extraction component (1) through the rotating shaft (4) so ​​that a negative pressure space is formed in the air cavity (3a); the integrated valve type vacuum pump further comprises a linkage arm (5), a linkage member (6) and a sealing member (7); The linkage arm (5) is rotationally connected to the rotating shaft (4), and the linkage arm (5) is coupled to the linkage member (6); The drive motor (2) is configured such that, when in operation, it drives the rotating shaft (4) to rotate so as to drive at least a portion of the linkage arm (5) to move away from the rotating shaft (4) or to have a tendency to move away from the rotating shaft (4), so as to drive the linkage member (6) to move along the axial direction of the rotating shaft (4), so as to drive the sealing member (7) to seal the air leakage channel (3b).

2. The integrated valve vacuum pump according to claim 1, characterized in that: The linkage arm (5) comprises a connecting arm (52) and a centrifugal block (53); The connecting arm (52) is rotatably connected to the rotating shaft (4). When the driving motor (2) is in operation, it drives the rotating shaft (4) to rotate, thereby driving the centrifugal block (53) to move away from the rotating shaft (4) or to have a tendency to move away from the rotating shaft (4), thereby driving the linkage member (6) to move along the axial direction of the rotating shaft (4), thereby driving the sealing member (7) to seal the air leakage channel (3b).

3. The integrated valve type vacuum pump according to claim 1, characterized in that: The linkage member (6) comprises a rotating disk (61), the rotating disk (61) is rotatably mounted on the rotating shaft (4), and is movable along the axial direction of the rotating shaft (4); the linkage arm (5) comprises a first connecting structure (51), and the rotating disk (61) comprises a second connecting structure (611); through the cooperation between the first connecting structure (51) and the second connecting structure (611), the centrifugal block (53) is driven to move along the axial direction of the rotating shaft (4) when it moves away from the rotating shaft (4).

4. The integrated valve type vacuum pump according to claim 3, characterized in that: The second connection structure (611) comprises a guide groove (611a), and the guide groove (611a) comprises a second guide surface (612); The first connecting structure (51) comprises a first guiding surface (511); When the linkage arm (5) rotates relative to the rotating shaft (4), the second guide surface (612) slides along the first guide surface (511), so that the rotating disk (61) moves along the axial direction of the rotating shaft (4).

5. The integrated valve type vacuum pump according to claim 3, characterized in that: The linkage member (6) further comprises a valve block (62), the valve block (62) being sleeved on the rotating shaft (4) and being movable in the axial direction of the rotating shaft (4); the valve block (62) being arranged between the rotating disk (61) and the sealing member (7), and being rotatable relative to the rotating disk (61); when the driving motor (2) is in operation, the rotating shaft (4) is driven to rotate so as to drive the centrifugal block (53) to move, so that the rotating disk (61) moves in the axial direction of the rotating shaft (4), so as to drive the valve block (62) and the sealing member (7) to seal the air leakage channel (3b).

6. The integrated valve type vacuum pump according to claim 3, characterized in that: When the driving motor (2) drives the rotating shaft (4) to rotate, the centrifugal block (53) moves away from the rotating shaft (4) in the radial direction of the rotating shaft (4), and drives the rotating disk (61) to move in the axial direction of the rotating shaft (4) through the cooperation between the first connecting structure (51) and the second connecting structure (611).

7. The integrated valve type vacuum pump according to claim 1, characterized in that: The number of the linkage arms (5) is one or more.

8. The integrated valve type vacuum pump according to claim 3, characterized in that: The linkage member (6) is at least partially disposed on a side of the centrifugal block (53) away from the rotating shaft (4).

9. The integrated valve type vacuum pump according to claim 8, characterized in that: The rotating disk (61) and the centrifugal block (53) are in abutting connection when the driving motor (2) is started, or the rotating disk (61) and the centrifugal block (53) are magnetically connected.

10. The integrated valve type vacuum pump according to claim 9, characterized in that: One of the rotating disk (61) or the linkage arm (5) is provided with a limiting groove, and the other is provided with a limiting column, and the limiting column and the limiting groove can rotate relative to each other.

11. The integrated valve type vacuum pump according to claim 3, characterized in that: An elastic member (8) is provided between the linkage member (6) and the housing (3); when the drive motor (2) is working, the elastic member (8) causes the sealing member (7) to open the air leakage channel (3b).

12. A breast pump host, characterized in that: It comprises an integrated valve vacuum pump as claimed in claim 1, and a battery for providing electrical energy to the pump.

13. A breast pump, characterized in that: comprising a breast pump host as claimed in claim 12; a suction cup communicated with the air cavity (3a); and A milk storage container is used to store the milk sucked out by the suction cup.

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