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220 results about "Breast pump (device)" patented technology

Breast pump wearable in bra

A breast pump wearable in a bra includes a main body containing battery, air pump, circuit control device and diaphragm. The breastshield includes a breast accommodating chamber, a nipple accommodating chamber and a diaphragm installation chamber. A mouth of the diaphragm installation chamber has a chamber cover having a first pipe joint communicating with an air-side vacuum chamber. The diaphragm is sealingly combined with the mouth of the diaphragm installation chamber. A milk-side vacuum chamber is formed between the diaphragm and the diaphragm installation chamber. The air-side vacuum chamber is formed between the diaphragm and the chamber cover. The diaphragm installation chamber has an air hole communicating with the milk-side vacuum chamber and the nipple accommodating chamber. The breastshield installation chamber has a second pipe joint connected with an air path of the air pump. The second pipe joint is detachably connected to the first pipe joint.
Owner:CHEN JIAN

Breast pump

A breast pump is disclosed. The breast pump includes a body and a heating assembly. The body defines a channel. The heating assembly includes an attaching member and a charging device. The attaching member is electrically connected to the charging device. The attaching member is at least partially arranged in the channel. The charging device is connected to the body. The heating assembly is connected to the body. The attaching member is located on a side of the body that is capable of contacting with a breast and configured to contact with the breast. The heating assembly is further configured to generate heat through the charging device.
Owner:SHENZHEN ZXD TRADING CO LTD

Breast Pump

Disclosed is a breast pump comprising a horn cover, a milk bin, and a controller. The horn cover includes a cover body, and a heating device and a first connector arranged on the cover body. The first connector is electrically connected to the heating device. The controller comprises a main body, and a second connector in electrical contact with the first connector. The breast pump further comprises a sealing ring, and the milk bin includes a partition wall that comprises an electrode through hole. The sealing ring seals around a periphery of the first connector and the second connector.
Owner:SHENZHEN OCEANWING SMART INNOVATIONS TECHNOLOGY CO LTD

Breast pump

Disclosed is a breast pump comprising a milk bin and a cover. The cover includes a cover body and an arc-shaped heating device. The cover body is connected with the milk bin, and the arc-shaped heating device is disposed in the cover body. The cover body comprises a lower area and an upper area separated by a wall. The lower area is connected to the upper area in a height direction of the breast pump, and the lower area and the milk bin form a milk storage chamber. A ratio of a height of the arc-shaped heating device in the upper area to a total height of the arc-shaped heating device is greater than or equal to 0.7 in the height direction of the breast pump.
Owner:SHENZHEN OCEANWING SMART INNOVATIONS TECHNOLOGY CO LTD

Breast pump device, breast pump system, and method for operating the same

A breast pump device is disclosed. The breast pump device includes a primary machine portion, and a secondary control portion provided separately from the primary machine portion. The primary machine portion further includes a main housing, a pump attached to the main housing and configured to generate a pressure to cause breast milk to be expressed by a user of the breast pump device, and a milk container coupled to the pump and configured to accommodate the breast milk. The secondary control portion is electrically coupled to the primary machine portion without an airway and configured to remotely operate the primary machine portion.
Owner:SHENZHENSHI LUTEJIACHENG SUPPLYCHAIN MANAGEMENT CO LTD

Breast sucking device

The invention relates to the technical field of mother and baby products, in particular to a breast pumping device which comprises a flange assembly and a main machine, and a breast pumping channel used for containing breasts is formed in the flange assembly; the main machine comprises a pump assembly. The flange assembly can be driven by the pump assembly to deform so as to change the shape and / or size of the breast pumping channel. Compared with the prior art, the pump assembly is used for controlling deformation of the flange assembly, so that the shape and / or the size of the breast pumping channel are / is controlled, and the breast pumping device can adapt to breasts of different sizes and shapes.
Owner:SHENZHEN LUTE INNOVATION TECHNOLOGY IND CO LTD

Breast pump

The utility model belongs to the technical field of breast milk equipment, and discloses a breast pump which comprises a main body and a main machine, the main machine is communicated with the main body and used for generating negative pressure in the main body, the main body is provided with a protective cover, the breast pump further comprises a heating assembly, the heating assembly is arranged on the main machine and electrically connected with the main machine, and the heating assembly comprises a heating face. The heating surface can be in contact with the inner wall of the protective cover to heat the protective cover, in the using process, the inner wall of the protective cover is firstly heated by the heating assembly, and then milk sucking is started, so that an additional heating system is avoided, the cost is saved, waste is avoided, the portability of a product is improved, and the size of the product is reduced.
Owner:上海海尔智能科技有限公司

Breast pump with massaging and heating functions

The invention relates to the technical field of breast pumps, and discloses a breast pump with massage and heating functions, which comprises a milk storage tank, an extension spring is fixed on the inner side of a support cover, a massage block is fixed at the inner end of the extension spring, an elastic baffle cloth is fixed between two buckle covers, and straps are fixed on the outer sides of the two buckle covers. According to the breast pump with the massaging and heating functions, after the breast pump is worn, an electric heating cover can heat breasts, a rotary drum rotates, a roller and a first piston move up and down back and forth under the extrusion of an extrusion ring and the jacking action of a second compression spring, and a second piston, a connecting frame and a third piston move up and down back and forth, so that automatic breast pumping is facilitated; the milk storage tank plays a role in storing milk, the support rotates along with the rotary drum, the movable rod and the massage block move back and forth under the extrusion action of the extrusion block and the pulling action of the extension spring, the breasts can be massaged repeatedly, the device can achieve the massage heating function, and outflow of the milk can be promoted.
Owner:YUYAO PEOPLES HOSPITAL

Breast pump and breast pumping device thereof

The breast pump comprises a one-way valve, a flexible breast cover and a negative pressure forming unit, the breast cover comprises a shoulder ring body, an assembly ring body and a horn cover body, the assembly ring body integrally extends towards one side from the inner edge of the shoulder ring body, and the horn cover body is connected with the assembly ring body. The horn cover body integrally extends in the opposite direction from the outer edge of the shoulder ring body, the negative pressure forming unit comprises a supporting shell and a negative pressure forming part and is provided with a negative pressure cavity, the negative pressure forming part is installed on the supporting shell so that the negative pressure cavity can be formed between the negative pressure forming part and the supporting shell, the supporting shell is provided with a gas exchange channel, and the gas exchange channel is communicated with the negative pressure cavity. The air exchange channel is communicated with the negative pressure cavity, the negative pressure forming part is provided with a milk sucking cavity, an assembling opening and a milk discharging channel, the assembling opening and the milk discharging channel are respectively communicated with the milk sucking cavity, the one-way valve is arranged on the negative pressure forming part so as to selectively open and close the milk discharging channel, and the assembling ring body is assembled on the assembling opening.
Owner:NINGBO XIAOWU BRAND MANAGEMENT CO LTD +1

Breast pump dynamic pressure regulation control method and related equipment thereof

The invention provides a breast pump dynamic pressure regulation control method and related equipment thereof. The breast pump dynamic pressure regulation control method comprises the following steps: acquiring running state data of a breast pump in a preset mode; determining current negative pressure data of the breast pump through an air pressure detection device; comparing the current negative pressure data with preset negative pressure data in a preset mode for judgment, and determining a negative pressure deviation parameter; on the basis of the negative pressure deviation parameter, driving voltage data of the negative pressure mechanism in the preset mode is adjusted, and the negative pressure mechanism is controlled to execute corresponding starting and stopping operation according to a suction maintaining strategy of the breast pump in the preset mode. The voltage data and the negative pressure data of the breast pump are collected and adjusted through the steps of the method, the suction and release period can be dynamically adjusted and matched according to the operation state of the breast pump, the suction start and stop of equipment are managed and controlled according to the suction and release period, the negative pressure value feedback is added to recognize the opening of the dynamic adjusting valve, and the operation efficiency is improved. And the voltage regulation control is more accurate and flexible.
Owner:GUANGDONG YOUMENG ELECTRICAL TECHNOLOGY CO LTD

Ergonomic forward leaning breast pumping chair systems and devices thereof

Breast pumping chair systems are disclosed that include a chair assembly including a seat frame coupled to a base frame, feet coupled to opposing ends of the base frame, a seat support coupled to the seat frame, and an angle adjustment mechanism. The systems further include a breast pumping assembly including a chest frame coupled to the seat frame, a chest support coupled to the chest frame, a chest cushion angled to engage a sternum of a user in a forward leaning position, and a headrest post removably attached to the chest frame. The breast pumping assembly includes a milk collection system including bottle holders rotatably coupled to opposing sides of the chest frame. The systems also include a height adjustment mechanism to alter a height of the breast pumping assembly and a table rotatably coupled to the chair assembly and / or the breast pumping assembly via a table hinge.
Owner:RESTFUL PUMP INC

Wearable breast pump structure and control method

The invention belongs to the technical field of mother and baby products, and particularly relates to a wearable breast pump structure and a control method. The wearable breast pump structure comprises a shell, an adsorption disc, a one-way valve and a host device, a cavity with an open bottom is arranged in the shell, the adsorption disc covers the opening part of the cavity, and the adsorption disc and the cavity form a milk storage cavity; the adsorption disc is provided with a channel extending into the cavity, and a through hole is formed in one side of the channel. The through hole is provided with a one-way valve which unidirectionally seals the through hole; the main machine device comprises a control system and an air suction pump, the air suction pump is communicated with the milk storage cavity, negative pressure is formed in the milk storage cavity, and the control system is used for controlling starting and stopping of the air suction pump. The suction disc covers and is attached to the breast, the control system starts the air suction pump, the air suction pump exhausts air in the milk storage cavity to form negative pressure, the one-way valve opens the through hole, the channel is communicated with the milk storage cavity, and the negative pressure acts on the breast; the air suction pump continuously increases the negative pressure value in the milk storage cavity until the air pressure detection mechanism detects that the milk storage cavity reaches the target air pressure value set by the control system.
Owner:广东熹贝医疗科技有限公司

Detection device, breast pump and assembly state prompting system of breast pump

The utility model relates to the technical field of breast pumps, in particular to a detection device, a breast pump and an assembly state prompting system of the breast pump, and the detection device is arranged on at least one of a first mounting accessory or a second mounting accessory; when the first installation accessory and the second installation accessory are correctly assembled or not correctly assembled, the detection device is triggered. When the first installation accessory and the second installation accessory are correctly assembled or not correctly assembled, the detection device is triggered, and it can be judged that the first installation accessory and the second installation accessory are correctly assembled.
Owner:SHENZHENSHI LUTEJIACHENG SUPPLYCHAIN MANAGEMENT CO LTD

Breast pump caddy for holding, organizing and carrying a breast pump assembly

Disclosed is a device for the controlled organization, storage, and transportation of a breast pump (electric or manual) and its accessories. The device comprises two main components: a caddy base and a caddy handle, which are firmly attached to each other using mounting screws. The caddy base consists of a bottom plate and an attached wall, forming a basket-like shape designed to securely house the electric breast pump, preventing any movement. Attached to the exterior surface of the wall are two bottle holders designed to house breast milk collection bottles. The caddy handle, having left and right braces, incorporates tubing notches designed to hold tubing in place being routed from the electric breast pump through the tubing inlet and connects to the top backflow caps. The braces also incorporate cap hooks and shield hooks designed to hold two breast shields, two bottom backflow caps, and the top backflow caps.
Owner:WHITEHEAD MITCHELL

Milk amount detection method and device of breast pump, breast pump and storage medium

The invention relates to the field of mother and baby products, and provides a milk quantity detection method and device of a breast pump, the breast pump and a storage medium. The flow sensor detects flow data of milk in a milk flow path of the breast pump; acquiring milk storage quantity data of a milk quantity sensor; the milk quantity sensor detects current milk storage quantity data of the milk storage container; verifying the milk storage amount data according to the flow data, and determining a verification result; and determining the milk amount of the breast pump according to the verification result. According to the method and the device, the milk storage amount data is verified through the flow data, so that the milk amount detection accuracy of the breast pump can be improved.
Owner:SHENZHENSHI LUTEJIACHENG SUPPLYCHAIN MANAGEMENT CO LTD

Control method of breast pump assembly and breast pump assembly

The invention discloses a control method of a breast pump assembly and the breast pump assembly, and the breast pump assembly comprises a breast pump and a charging device. The charging device is configured to determine the connection state with the breast pump based on the change of a signal received by the first signal transmission end; when it is determined that the charging device is connected with the breast pump in a matched mode, the charging current is output to the breast pump through the power output interface and the power input interface so as to charge the breast pump; the breast pump is configured to start a handshake process with the charging device when the current of the power supply input interface is detected to be greater than a preset current threshold value; and when the handshake process is successful, establishing a communication link with the charging device, and performing data interaction through the communication link.
Owner:MAXEYE SMART TECH CO LTD

Breast fitting sleeve for breast pump

The utility model relates to the technical field of lactation devices, and discloses a breast fitting sleeve for a breast pump, which comprises a rubber connector and a nipple sealing sleeve, the bottom of the connector is connected with the nipple sealing sleeve, the periphery of the nipple sealing sleeve is fixedly connected with an oval rubber sleeve, a plurality of cushions are arranged on the nipple sealing sleeve, and the oval rubber sleeve is fixedly connected with the nipple sealing sleeve. The top of the connector is connected with the breast pump, a plurality of outer diameter rings are fixedly connected to the periphery of the connector, the comfort degree of the breasts during milk output can be improved, and the connectors with different inner diameters can be selected according to different requirements so as to meet the matching requirements of different nipples in different sizes.
Owner:JIANGXI PATNA HOME FURNISHING CO LTD

Intelligent milk sucking system and control method

The invention discloses an intelligent breast pumping system and a control method. The intelligent breast pumping system comprises a breast pump. The interaction device is in wireless connection with the breast pump, the interaction device is used for sending a control signal to the breast pump to control the breast pump, and the interaction device can update working parameters of the breast pump in real time; the server is internally provided with a cloud database, the server is wirelessly connected with the interaction device, the server is used for sending data to the interaction device, the interaction device is internally provided with an AI module, and the AI module is used for processing information of the interaction module and data in the cloud database. According to the application, the AI module is arranged in the interaction device, and the interaction device is interconnected with the server and the breast pump, so that the interaction device automatically adjusts the currently used function, mode, gear and force of the breast pump in real time and online according to the interaction information of the user, and automatically switches the breast pumping mode, thereby improving the user experience. Therefore, the breast pumping requirements in different time periods and different states are met, and the breast pumping process is more comfortable.
Owner:SHENZHEN TPH TECH CO LTD

Breast pump, and breast pumping device and flared cover thereof

PCT designated stage expiredWO2025102977A1Milking pumpBreast pump (device)Medicine
A breast pump, and a breast pumping device (100) and a flared cover (20) thereof. The breast pumping device (100) comprises a device body (10) and the flared cover (20) arranged on the device body (10), wherein the device body (10) has a breast pumping chamber (101), a milk storage chamber (102), and a milk discharge channel (103) capable of connecting the breast pumping chamber (101) to the milk storage chamber (102); and the flared cover (20) is arranged on the device body (10), and the flared cover (20) comprises an external first extension section (21) and a flippable external second extension section (22), the external second extension section (22) extending outward from the side of the external first extension section (21) facing away from the device body (101), and the external first extension section (21) and the external second extension section (22) having different extension trends.
Owner:NINGBO XIAOWU BRAND MANAGEMENT CO LTD

Bottle washer

1. The name of the design product: milk bottle cleaning device. 2. The use of the design product: for cleaning, sterilizing and drying milk bottles, breast pumps and other feeding products. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.
Owner:叶林鹏

Breast pump (wearable)

1. Name of the product in this design: Breast Collector (Wearable). 2. Purpose of this design: A device for collecting breast milk. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.
Owner:ZHONGSHAN ANQIN MATERNAL & INFANT PRODUCTS CO LTD

Breast pump, method and device for detecting milk amount of breast pump, medium and product

The invention discloses a breast pump, a breast pump milk amount detection method and device, a medium and a product, and relates to the technical field of mother and infant products, the breast pump comprises a breast pumping shield, a milk storage container, at least two sets of ultrasonic sensors and a processing unit, each set of ultrasonic sensors is used for detecting milk flowing through a breast pumping channel and generating corresponding receiving signals, and the processing unit is used for processing the milk flowing through the breast pumping channel; the processing unit is used for determining the milk sucking amount or the milk flow or the milk spraying state of the breast pump based on the receiving signal information of the at least two sets of ultrasonic sensors. According to the breast pump, real-time monitoring of milk injection and milk flow in the lactation process is achieved, and the automation and intelligence level of operation of the breast pump is improved.
Owner:SHENZHENSHI LUTEJIACHENG SUPPLYCHAIN MANAGEMENT CO LTD

Portable wearable breast pump

The utility model discloses a portable wearable breast pump, which belongs to the technical field of mother and baby products, and comprises a cup body, a cup cover and a main machine, the main machine is clamped at one end of the cup body, the cup cover is hermetically mounted at the bottom of the cup body, a milk storage chamber is formed between the outer side of the cup cover and the inner side wall of the cup body, and the cup cover is arranged in the milk storage chamber. A milk sucking bin is connected to the top of the cup cover in a penetrating mode, an air cylinder structure is arranged on the periphery of the top of the milk sucking bin, the whole equipment can be divided into a main machine, a cup body and the cup cover, and therefore the problem that complex assembling and alignment are difficult is solved, internal water and electricity separation is achieved, and use safety is guaranteed; in addition, the air cylinder structure with the elastic tibia is used, the problem that noise generated by rebounding resonance of the air cylinder is large is solved, the stability of function output is greatly improved, and the using body feeling is smoother.
Owner:MEI DI LE (NING BO) MOTHER & INFANT PROD CO LTD

Portable milk sucking and storing device

The invention relates to the technical field of breast pumps, and discloses a portable milk sucking and storing device which comprises a satchel body, and the interior of the satchel body is divided into a milk sucking area and a milk storing area; a milk sucking cup, a milk collecting bag and a negative pressure source are arranged in the milk sucking area, and the milk sucking cup is communicated with the milk collecting bag and the negative pressure source; a milk storage cup is arranged in the milk storage area; wherein the milk collecting bag is communicated with the milk storage cup, and a one-way valve is arranged between the milk collecting bag and the milk storage cup, so that milk enters the milk storage cup and is prevented from flowing back. According to the portable milk sucking and storing device, the inside of the satchel body is divided into the milk sucking area and the milk storing area, a user does not need to frequently replace a container or additionally prepare a plurality of independent components in the using process, and therefore the operation process is simplified, and using convenience is improved. The milk collecting bag is communicated with the milk storage cup, milk can be directly guided into the milk storage cup from the milk collecting part in the device, and secondary transfer is not needed.
Owner:THE WEST CHINA SECOND UNIV HOSPITAL OF SICHUAN

Breast pump, detection method, medium, device and program product

The invention discloses a breast pump. The breast pump comprises at least one detection module, a processing module, a breast pumping shield, a breast pumping channel part and a negative pressure mechanism, the breast suction shield comprises a flange used for being attached to a human breast body. The breast sucking channel part is in sealed connection with the breast sucking shield and is used for accommodating a nipple and allowing milk to flow; the negative pressure mechanism is used for directly or indirectly applying negative pressure into the breast pumping channel part; the detection module is used for detecting brightness change caused by movement of a target object in the breast pumping shield or the breast pumping channel part and generating detection data, and the processing module is used for determining breast pumping related parameters according to the detection data. The detection module generates the detection data by detecting the brightness change caused by the movement of the target object, and the generated detection data is less influenced by the individual difference of the mother, so that the measurement interference caused by the difference of different individuals can be effectively avoided, and the finally determined breast pumping related parameters can be more accurate.
Owner:SHENZHENSHI LUTEJIACHENG SUPPLYCHAIN MANAGEMENT CO LTD

A wearable breast pump that mimics a suckling

ActiveCN224441804UBreast pump (device)Pituitary gland
This utility model relates to a wearable breast pump that mimics sucking, and relates to the field of breast pump technology. It includes a milk bowl, a sucking component, a milk bowl cover connected to the milk bowl, and a breast pump main unit. The milk bowl cover has a milk suction channel, and the sucking component is detachably connected to the milk suction channel. The breast pump main unit contains an air source device. The milk bowl has a positive pressure air path that connects the sucking component and the air source device. The air source device is connected to the sucking component through the positive pressure air path and can inflate or deflate the sucking component. When the air source device inflates the sucking component, the sucking component deforms and expands within the milk suction channel, squeezing the nipple, simulating the jaw pressing action of an infant during swallowing. Through repeated inflation and deflation, the sucking component continuously deforms, expands, and contracts within the milk suction channel. By simulating the sucking action of an infant, it can stimulate the mother's pituitary gland to secrete prolactin, thereby increasing milk production and meeting the infant's nutritional needs.
Owner:SAIL ENGINE TECHNOLOGY CO LTD

Breast pump

The invention provides a breast pump. The breast pump comprises a main machine, a flange, a liquid storage device, a light-emitting assembly and a positioning detection assembly. The main machine is provided with a main control circuit, the flange is detachably assembled on the main machine, the light-emitting assembly comprises a first light source and a light beam shaping component, and the light beam shaping component is located in the optical axis direction of the first light source and used for conducting wavefront modulation on light beams emitted by the first light source to enable the light beams to form light spots with a central high-energy area and an edge weak-energy area on the surface of a positioned object. The area of the edge weak energy area changes along with the change of the distance between the positioned object and the first light source, so that dynamic positioning guide is provided, and the positioning detection assembly is arranged on the cover body and used for feeding back whether the positioned object is located in a preset positioning area to the main control circuit. According to the invention, through combination of the specially modulated dynamic light spot and the positioning detection assembly, visual and accurate wearing positioning assistance is provided for a user in a dark light environment, and the use convenience and efficiency are significantly improved.
Owner:MAXEYE SMART TECH CO LTD

Milk foam device of beverage dispenser

The utility model discloses a milk foam device of a beverage dispenser, which comprises a main body of a three-way pipe fitting, a steam pipe joint is arranged in a first inlet of the main body, a milk suction pipe joint is arranged in a second inlet of the main body, milk foam is released from an outlet of the main body, and a mixing cavity and a foaming cavity which are sequentially connected and communicated from the first inlet to the outlet are arranged in the main body. An air inlet is formed in one side of the second inlet, a duckbill valve is arranged at the bottom of an air inlet plug in the air inlet, and air entering the air inlet plug enters the breast pumping pipe connector through the duckbill valve and a channel between the duckbill valve and the breast pumping pipe connector. Air enters the milk suction pipe connector through the duckbill valve and the channel and is mixed with milk and steam to make milk foam, the negative pressure in the channel can be changed by adjusting the flow speed of the steam, the internal and external pressure difference of the duckbill valve is changed, the opening and closing amplitude of the duckbill valve is changed due to the different internal and external pressure differences, and therefore the air amount is adjusted. The effect of milk foam can be simply and conveniently adjusted, and the drinking taste of coffee is ensured due to small concentration change of milk.
Owner:FOSHAN SHUNDE FASHION ELECTRICAL APPLIANCES MFG CO LTD

Storage device of breast pump and using method of storage device

The invention provides a breast pump storage device and a use method thereof. The breast pump storage device comprises a seat body; the protective cover is detachably connected with the front surface of the seat body and is combined with the seat body to form an accommodating chamber; the breast pump is placed in the containing chamber, and the breast pump is provided with a horn cover; and the heating mechanism is arranged on the seat body and corresponds to the horn cover. Compared with the prior art, the base body and the protective cover are combined to form the containing chamber, the breast pump is stored in the containing chamber, the breast pump is prevented from making direct contact with the external environment, and damage caused by the fact that the breast pump is knocked over on the ground is prevented; meanwhile, the heating mechanism can conduct heating and heat preservation on the horn cover, so that the temperature of the breasts of the human body can be met during use, and the user experience is improved.
Owner:FOSHAN SHUNDE SHENGKE ELECTRONIC TECH CO LTD

A deflation valve, integrated valve vacuum pump and breast pump

The application discloses a deflation valve, an integrated valve type vacuum pump and a breast pump, and relates to the technical field of vacuumizing devices, wherein the deflation valve comprises a shell, a driving motor and a valve body assembly, a gas cavity capable of generating negative pressure is formed in the shell; the driving motor comprises a stator and a driving shaft exposed at both ends of the stator, a first airflow channel is formed in the driving shaft, the first airflow channel penetrates through the driving shaft along the axial direction of the driving shaft, and the first airflow channel is communicated with the gas cavity; the valve body assembly comprises a linkage arm and a sealing piece, the linkage arm is connected with the driving shaft, a second airflow channel is formed in the linkage arm and communicated with the first airflow channel and the outside; the sealing piece is movably arranged in the second airflow channel; the driving motor drives the driving shaft to rotate, drives the linkage arm to rotate, and makes the sealing piece block the communication position between the second airflow channel and the outside. The technical scheme provided by the application can solve the problem that the current vacuum air extraction assembly and the deflation valve limit the size of the breast pump.
Owner:SHENZHENSHI LUTEJIACHENG SUPPLYCHAIN MANAGEMENT CO LTD