WO2023005073A1 - 一种三通结构及吸奶器 - Google Patents

一种三通结构及吸奶器 Download PDF

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Publication number
WO2023005073A1
WO2023005073A1 PCT/CN2021/132280 CN2021132280W WO2023005073A1 WO 2023005073 A1 WO2023005073 A1 WO 2023005073A1 CN 2021132280 W CN2021132280 W CN 2021132280W WO 2023005073 A1 WO2023005073 A1 WO 2023005073A1
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Prior art keywords
side wall
tee
rear side
airbag
cup
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PCT/CN2021/132280
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English (en)
French (fr)
Inventor
严剑锋
刘水华
丁金华
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浙江科宝母婴用品有限公司
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Publication of WO2023005073A1 publication Critical patent/WO2023005073A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/06—Milking pumps

Definitions

  • the utility model relates to the technical field of maternal and infant products, in particular to a three-way structure and a breast pump.
  • a breast pump is an instrument for pregnant women to use after giving birth. It is a tool used to suck out the breast milk accumulated in the breast. It changes the internal air pressure through an internal vacuum negative pressure pump, that is, the cycle "suction” and “release” operation to imitate the baby's sucking The movement of breast milk achieves the purpose of sucking milk.
  • the air bag in the vacuum negative pressure pump in the existing three-way structure generates a pressure difference through overall deformation.
  • due to the limited space when wearing the wearable breast pump it cannot protrude too high outwards, resulting in the inside of the three-way structure.
  • the utility model firstly provides a three-way structure, including a three-way and an airbag installed in the three-way, the three-way includes a first interface suitable for communication with the cup,
  • the airbag has a front side wall close to the cup and a rear side wall away from the cup, the wall thickness of the front side wall is thinner than that of the rear side wall, so that the vacuum negative pressure of the front side wall can be realized.
  • the downward bias is deformed toward the rear side wall; the rear side wall is provided with a first limiting part, and the tee is provided with a second limiting part matched with the first limiting part.
  • the first limiting portion is an elongated hole
  • the second limiting portion is a raised strip
  • the number of the ridges is two, and the two ridges are arranged at intervals.
  • the cup includes an outer ring of the cup and an inner ring of the cup integrally formed with each other.
  • the airbag is made of food-grade liquid silicone.
  • the tee is a plastic part made of transparent material.
  • the horizontal section of the airbag is waist-shaped or U-shaped ear-shaped.
  • a sealing structure is provided between the airbag and the tee.
  • the sealing structure includes ribs and grooves that cooperate with each other; the tee is provided with the ribs, the airbag is provided with the grooves, or the tee is provided with the grooves , the airbag is provided with the ribs.
  • the tee structure in the utility model has the wall thickness of the front side wall designed to be thinner than the wall thickness of the rear side wall, and the mutual cooperation between the rear side wall and the tee is used to prevent the rear
  • the first limiting part and the second limiting part of the side wall move forward and deform, so that only the thin front side wall of the airbag is deformed backward under the negative pressure, so as to realize the characteristic of unilateral deformation of the airbag, and further improve breastfeeding.
  • this airbag adopts a unilateral deformation structure design, which can effectively avoid the nipple during the breast pumping operation, preventing the nipple from touching the airbag and causing discomfort or blocking the nipple outflow. Milk, to ensure that users have an excellent sense of comfort during use.
  • the utility model provides a breast pump, which includes the above-mentioned three-way structure.
  • Fig. 1 is a partial exploded view of a breast pump according to an embodiment of the present invention
  • Fig. 2 is a partial sectional view of a breast pump according to an embodiment of the present invention.
  • Fig. 3 is the structural diagram of the airbag of the utility model embodiment
  • Fig. 4 is a structural diagram of the tee of the embodiment of the utility model.
  • first and second are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as “first” and “second” may explicitly or implicitly include at least one of these features.
  • the accompanying drawings of the embodiments of the present utility model are provided with a coordinate system XYZ, wherein the positive direction of the X-axis represents the left, the reverse direction of the X-axis represents the right, the positive direction of the Y-axis represents the front, and the reverse direction of the Y-axis represents the rear , the positive direction of the Z axis represents the top, and the reverse direction of the Z axis represents the bottom.
  • the embodiment of the utility model provides a kind of three-way structure, shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, comprises three-way 1 and the air bag 2 that is installed in described three-way 1, and described three-way 1 Including a first interface 11 suitable for communication with the cup 3, the airbag 2 has a front side wall 21 close to the cup 3 and a rear side wall 22 away from the cup 3, the wall thickness of the front side wall 21 is greater than The wall thickness of the rear side wall 22 is thin, so that the front side wall 21 is deformed toward the rear side wall 22 under vacuum negative pressure; the rear side wall 22 is provided with a first stopper, and the tee 1 There is a second limiting part matched with the first limiting part.
  • the first limiting part is arranged close to the lower end of the rear side wall 22, and the second limiting part is arranged on the bottom of the tee 1, so as to further prevent the rear side wall 22 from moving forward under force and ensure that the rear side wall 22 is under negative pressure. It does not deform forward under the action;
  • the air bag 2 is suitable for communicating with the negative pressure device, the bottom of the tee 1 is provided with a second interface 12, and the second interface 12 is suitable for communicating with the one-way valve 4, and the milk is passed through the one-way valve from the three-way 1. After valve 4, it enters into the milk storage bottle.
  • the airbag 2 has a long and flat structure, and its front and rear width is smaller than that of the left and right sides, so as to adapt to the limited space of the wearable breast pump and cannot protrude too high.
  • the front and rear width referred to here refers to the front side wall 21
  • the distance to the rear side wall 22, the left and right width refers to the width of the front side wall 21 or the rear side wall 22, the air bag 2 is used to isolate gas and liquid;
  • the cup 3 is made of food grade silicone, or plastic material, or plastic and soft rubber
  • the trumpet-shaped structural member made of composite materials is used to support the breast and pull the teat to produce milk.
  • the wall thickness of the front side wall 21 is designed to be thinner than the wall thickness of the rear side wall 22, and the mutual cooperation between the rear side wall 22 and the tee 1 is used to prevent the rear side wall from 22, the first and second limiting parts of the deformation move forward, so that only the front side wall 21 with a thin wall is deformed backward under the negative pressure of the airbag 2, so as to realize the characteristics of unilateral deformation of the airbag 2, and then in the airbag 2
  • the protruding space of the nipple is greatly increased, making it easier to produce milk; the airbag 2 adopts a unilaterally deformed structure design, which can effectively avoid the nipple during breastfeeding operations, preventing the nipple from touching the airbag 2 and causing discomfort Or block the milk from the nipple to ensure that the user has an excellent comfortable experience during use.
  • the first limiting portion is an elongated hole 23
  • the second limiting portion is a raised strip 13 .
  • the length direction of the oblong hole 23 is the left-right direction, so as not to occupy the deformation space of the airbag 2 as much as possible;
  • Strip structure so as to fit with the outline shape of airbag 2;
  • Raised strip 13 protrudes upwards to a certain height at the bottom of tee 1, to ensure that under negative pressure, oblong hole 23 and convex strip 13 will not separate from each other.
  • the first limiting part and the second limiting part are respectively set as the structure of the elongated hole 23 and the convex strip 13, the matching structure is simple, the installation is convenient, and the deformation space of the airbag 2 is not occupied, which is beneficial to the airbag 2. Increase the protruding space of the teat during the milking process, making milking easier.
  • the number of the protruding lines 13 is two, and the two protruding lines 13 are arranged at intervals.
  • protruding strips 13 cooperate with the left and right sides of the hole of oblong hole 23 respectively, and protruding strip 13 is set as two split structures, not only can guarantee that oblong hole 23 and protruding strip 13 are firmly matched, can also reduce The precision requirement of the matching structure between the oblong hole 23 and the protruding strip 13 makes processing and assembly simpler and more convenient.
  • the breast cup 3 includes a breast cup outer ring 31 and a breast cup inner ring 32 integrally formed with each other.
  • the material of the outer ring 31 of the cup is food-grade liquid silicone, which is in direct contact with the breast, and the material is relatively soft, does not hurt the skin, and can ensure comfortable use;
  • the inner ring 32 of the cup is made of PP material, which has a certain resistance to deformation Strong enough to support the outer ring 31 of the cup so as to perform breast pumping operations.
  • the cup inner ring 32 and the cup outer ring 31 are designed to be integrally formed with each other, so as to ensure the tightness of the cup 3 and make the milk sucking effect better.
  • the airbag 2 is made of food grade liquid silicone.
  • the food-grade liquid silicone material is healthy and environmentally friendly, has no harm to the human body, and has excellent elasticity and fatigue resistance, and is very soft. Even if it touches the nipple during breastfeeding, it will not cause harm.
  • the tee 1 is a plastic part made of transparent material.
  • the tee 1 is made of a plastic part made of transparent material, which is not only beautiful, but also convenient for the user to observe the situation of breastfeeding.
  • the horizontal section of the airbag 2 is waist-shaped or U-shaped ear-shaped.
  • the two straight sides of the waist shape are respectively located on the front and rear sides to ensure that the overall structure does not protrude too much forward;
  • the nipple has a larger stretching space, ensuring that the nipple will not touch the air bag 2, and improving comfort.
  • a sealing structure is provided between the airbag 2 and the tee 1 to ensure the effect of sucking milk under the vacuum negative pressure.
  • the sealing structure includes ribs and grooves that cooperate with each other; the tee 1 is provided with the ribs, the airbag 2 is provided with the grooves, or the The tee 1 is provided with the groove, and the airbag 2 is provided with the rib.
  • the ribs are covered with the upper edge of the tee 1, and the corresponding grooves are also covered with the upper edge of the airbag 2, and the joint structure of the ribs and the grooves is used to ensure the mutual sealing effect between the airbag 2 and the tee 1,
  • This structure is simple to manufacture and convenient and reliable to assemble.
  • Another embodiment of the present invention provides a breast pump, which includes the above-mentioned three-way structure.
  • the wall thickness of the front side wall 21 is designed to be thinner than the wall thickness of the rear side wall 22, and the mutual cooperation between the rear side wall 22 and the tee 1 is used to prevent the rear side wall from 22, the first and second limiting parts of the deformation move forward, so that only the front side wall 21 with a thin wall is deformed backward under the negative pressure of the airbag 2, so as to realize the characteristics of unilateral deformation of the airbag 2, and then in the airbag 2
  • the protruding space of the nipple is greatly increased, making it easier to produce milk; the airbag 2 adopts a unilaterally deformed structure design, which can effectively avoid the nipple during breastfeeding operations, preventing the nipple from touching the airbag 2 and causing discomfort Or block the milk from the nipple to ensure that the user has an excellent comfortable experience during use.

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Pediatric Medicine (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • External Artificial Organs (AREA)

Abstract

一种三通结构及吸奶器，三通结构包括三通（1）和安装在三通（1）内的气囊（2），三通（1）包括适于与罩杯（3）连通的第一接口（11），气囊（2）具有靠近罩杯（3）的前侧壁（21）和远离罩杯（3）的后侧壁（22），前侧壁（21）的壁厚比后侧壁（22）的壁厚薄，实现前侧壁（21）在真空负压下偏向后侧壁（22）变形；后侧壁（22）设有第一限位部（23），三通（1）设有与第一限位部（23）配合的第二限位部（13）。三通结构将前侧壁（21）的壁厚设计为比后侧壁（22）的壁厚薄，且在后侧壁（22）与三通（1）之间设置相互配合后用于防止后侧壁（22）前移变形的第一限位部（23）和第二限位部（13），使得气囊（2）在负压作用下只有壁厚薄的前侧壁（21）向后发生变形，从而实现气囊（2）单边变形的特点，进而在吸奶过程中大大增大***的伸出空间，更易出奶。

Description

一种三通结构及吸奶器 技术领域
本实用新型涉及母婴用品技术领域，具体而言，涉及一种三通结构及吸奶器。
背景技术
吸奶器是供孕妇产后使用的仪器，是用于吸出积聚在乳腺里的母乳的工具，其通过内部真空负压泵改变内部气压，即循环“吸”、“放”操作去仿效婴儿吸允母乳的动作，达到吸奶的目的。
现有三通结构内的真空负压泵中的气囊是通过整体变形而产生压差的，但是可穿戴式吸奶器由于穿戴时空间有限，即不能向外凸起太高，导致三通结构内***伸出空间也有限，从而影响吸奶效果。
实用新型内容
为解决上述问题中的至少一个方面，本实用新型首先提供一种三通结构，包括三通和安装在所述三通内的气囊，所述三通包括适于与罩杯连通的第一接口，所述气囊具有靠近所述罩杯的前侧壁和远离所述罩杯的后侧壁，所述前侧壁的壁厚比所述后侧壁的壁厚薄，实现所述前侧壁在真空负压下偏向所述后侧壁变形；所述后侧壁设有第一限位部，所述三通设有与所述第一限位部配合的第二限位部。
可选地，所述第一限位部为扁长孔，所述第二限位部为凸条。
可选地，所述凸条的数量为两个，两个所述凸条间隔设置。
可选地，所述罩杯包括相互一体成型设置的罩杯外圈和罩杯内圈。
可选地，所述气囊的材质为食用级液态硅胶。
可选地，所述三通为透明材质的塑料件。
可选地，所述气囊的水平截面为腰型状或U型耳朵状。
可选地，所述气囊与所述三通之间设有密封结构。
可选地，所述密封结构包括相互配合的凸筋和凹槽；所述三通设有所述凸筋，所述气囊设有所述凹槽，或所述三通设有所述凹槽，所述气囊设有所述凸筋。
相对于现有技术，本实用新型中的三通结构，将前侧壁的壁厚设计为比后侧壁的壁厚薄，且在后侧壁与三通之间设置相互配合后用于防止后侧壁前移变形的第一限位部和第二限位部，使得气囊在负压作用下只有壁厚薄的前侧壁向后发生变形，从而实现气囊单边变形的特点，进而在吸奶过程中大大增大***的伸出空间，更易出奶；这种气囊采用单边变形的结构设计，在吸奶操作时，能有效避让***，防止***触碰到气囊而产生不适或堵塞***出奶，确保用户在使用过程中具有极佳的舒适体验感。
另外，本实用新型提供一种吸奶器，包括如上所述的三通结构。
相对于现有技术，本实用新型所述的吸奶器与上述三通结构相对于现有技术所具有的优势相同，在此不再赘述。
附图说明
图1为本实用新型实施例的吸奶器的局部***图；
图2为本实用新型实施例的吸奶器的局部剖视图；
图3为本实用新型实施例的气囊的结构图；
图4为本实用新型实施例的三通的结构图。
附图标记说明：
1、三通；11、第一接口；12、第二接口；13、凸条；2、气囊；21、前侧壁；22、后侧壁；23、扁长孔；3、罩杯；31、罩杯外圈；32、罩杯内圈；4、单向阀。
具体实施方式
为使本实用新型的上述目的、特征和优点能够更为明显易懂，下面结合 附图对本实用新型的具体实施例做详细的说明。
在本实用新型的描述中，需要理解的是，术语“上”、“下”等指示的方位或位置关系为基于产品正常使用时的方位或位置关系。
术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。本实用新型的实施例的附图中设置有坐标系XYZ，其中X轴的正向代表左方，X轴的反向代表右方，Y轴的正向代表前方，Y轴的反向代表后方，Z轴的正向代表上方，Z轴的反向代表下方。
本实用新型实施例提供了一种三通结构，结合图1、图2、图3、图4所示，包括三通1和安装在所述三通1内的气囊2，所述三通1包括适于与罩杯3连通的第一接口11，所述气囊2具有靠近所述罩杯3的前侧壁21和远离所述罩杯3的后侧壁22，所述前侧壁21的壁厚比所述后侧壁22的壁厚薄，实现所述前侧壁21在真空负压下偏向所述后侧壁22变形；所述后侧壁22设有第一限位部，所述三通1设有与所述第一限位部配合的第二限位部。
其中，第一限位部紧挨后侧壁22的下端进行设置，第二限位部设置在三通1的底部，进一步防止后侧壁22受力前移，确保后侧壁22在负压作用下不向前变形；气囊2适于与负压装置连通，三通1的底部设有第二接口12，第二接口12适于与单向阀4连通，奶液从三通1经过单向阀4后进入储奶瓶内。
气囊2为长扁形结构，其前后的宽度比左右的宽度小，以适应可穿戴吸奶器空间有限、不能向外凸起太高的特点，这里所指的前后的宽度是指前侧壁21到后侧壁22的距离，左右的宽度是指前侧壁21或后侧壁22的宽度，气囊2用于隔离气液；罩杯3是由食品级硅胶、或者塑胶材质、或者塑胶跟软胶材质的复合体制作而成的喇叭状结构件，用于支撑***，并牵引***出奶。
本实施例中的三通结构，将前侧壁21的壁厚设计为比后侧壁22的壁厚薄，且在后侧壁22与三通1之间设置相互配合后用于防止后侧壁22前移变 形的第一限位部和第二限位部，使得气囊2在负压作用下只有壁厚薄的前侧壁21向后发生变形，从而实现气囊2单边变形的特点，进而在吸奶过程中大大增大***的伸出空间，更易出奶；这种气囊2采用单边变形的结构设计，在吸奶操作时，能有效避让***，防止***触碰到气囊2而产生不适或堵塞***出奶，确保用户在使用过程中具有极佳的舒适体验感。
可选地，结合图3、图4所示，所述第一限位部为扁长孔23，所述第二限位部为凸条13。
其中，扁长孔23的长度方向为左右方向，以尽量不占用气囊2的变形空间；扁长孔23在上下方向上截面为弧形结构，凸条13为与扁长孔23配合的弧形条结构，以便与气囊2的轮廓形状贴合；凸条13在三通1的底部向上凸出一定的高度，以确保在负压作用下，扁长孔23与凸条13不会相互脱离。
本实施中，将第一限位部和第二限位部分别设为扁长孔23和凸条13的结构，配合结构简单，安装方便，且不占气囊2的变形空间，有利于在吸奶过程中增大***的伸出空间，更易出奶。
可选地，结合图4所示，所述凸条13的数量为两个，两个所述凸条13间隔设置。
其中，两个凸条13分别与扁长孔23的孔的左右两侧配合，将凸条13设置为两个分体结构，不仅能保证扁长孔23与凸条13牢固配合，还能降低扁长孔23与凸条13的配合结构的精度要求，使得加工和组装都更简单便捷。
可选地，结合图1、图2所示，所述罩杯3包括相互一体成型设置的罩杯外圈31和罩杯内圈32。
其中，罩杯外圈31的材质为食用级液态硅胶，其与***直接接触，材质比较柔软，不伤皮肤，能确保使用舒适感；罩杯内圈32的材质为PP材质，材质具有一定的抗变形强度，能将罩杯外圈31支撑开，以便进行吸奶操作。本实施例中，将罩杯内圈32与罩杯外圈31设计为相互一体成型的结构，确保罩杯3的密封性，使得吸奶效果更佳。
可选地，所述气囊2的材质为食用级液态硅胶。
其中，食用级液态硅胶材质健康环保，对人体无伤害，且有较优的弹性和耐疲劳性，又非常柔软，吸奶时即使碰到***也不会造成伤害。
可选地，所述三通1为透明材质的塑料件。
其中，三通1采用透明材质的塑料件，既美观，又方便用户观察吸奶情况。
可选地，结合图1、图3所示，所述气囊2的水平截面为腰型状或U型耳朵状。
其中，腰型状的两个直边分别位于前后两侧，以确保整体结构不会向前凸出太多；U型耳朵状是前侧壁21向后凹陷，更大程度上避让出在吸奶过程中***有更大的拉伸空间，确保***不会触碰到气囊2，提升舒适感。
可选地，结合图2所示，所述气囊2与所述三通1之间设有密封结构，以确保真空负压作用下的吸奶效果。
可选地，结合图2所示，所述密封结构包括相互配合的凸筋和凹槽；所述三通1设有所述凸筋，所述气囊2设有所述凹槽，或所述三通1设有所述凹槽，所述气囊2设有所述凸筋。
其中，凸筋布满三通1的上边沿，则对应的凹槽也布满气囊2的上边沿，利用凸筋和凹槽的配合结构以确保气囊2与三通1相互间的密封效果，这种结构制作简单，装配方便可靠。
本实用新型另一实施例提供了一种吸奶器，包括如上所述的三通结构。
本实施例中的吸奶器，将前侧壁21的壁厚设计为比后侧壁22的壁厚薄，且在后侧壁22与三通1之间设置相互配合后用于防止后侧壁22前移变形的第一限位部和第二限位部，使得气囊2在负压作用下只有壁厚薄的前侧壁21向后发生变形，从而实现气囊2单边变形的特点，进而在吸奶过程中大大增大***的伸出空间，更易出奶；这种气囊2采用单边变形的结构设计，在吸奶操作时，能有效避让***，防止***触碰到气囊2而产生不适或堵塞***出奶，确保用户在使用过程中具有极佳的舒适体验感。
虽然本公开披露如上，但本公开的保护范围并非仅限于此。本领域技术 人员在不脱离本公开的精神和范围的前提下，可进行各种变更与修改，这些变更与修改均将落入本实用新型的保护范围。

Claims (10)

  1. 一种三通结构，其特征在于，包括三通(1)和安装在所述三通(1)内的气囊(2)，所述三通(1)包括适于与罩杯(3)连通的第一接口(11)，所述气囊(2)具有靠近所述罩杯(3)的前侧壁(21)和远离所述罩杯(3)的后侧壁(22)，所述前侧壁(21)的壁厚比所述后侧壁(22)的壁厚薄，实现所述前侧壁(21)在真空负压下偏向所述后侧壁(22)变形；所述后侧壁(22)设有第一限位部，所述三通(1)设有与所述第一限位部配合的第二限位部。
  2. 根据权利要求1所述的三通结构，其特征在于，所述第一限位部为扁长孔(23)，所述第二限位部为凸条(13)。
  3. 根据权利要求2所述的三通结构，其特征在于，所述凸条(13)的数量为两个，两个所述凸条(13)间隔设置。
  4. 根据权利要求1所述的三通结构，其特征在于，所述罩杯(3)包括相互一体成型设置的罩杯外圈(31)和罩杯内圈(32)。
  5. 根据权利要求1所述的三通结构，其特征在于，所述气囊(2)的材质为食用级液态硅胶。
  6. 根据权利要求1所述的三通结构，其特征在于，所述三通(1)为透明材质的塑料件。
  7. 根据权利要求1所述的三通结构，其特征在于，所述气囊(2)的水平截面为腰型状或U型耳朵状。
  8. 根据权利要求1-7任一项所述的三通结构，其特征在于，所述气囊(2)与所述三通(1)之间设有密封结构。
  9. 根据权利要求8所述的三通结构，其特征在于，所述密封结构包括相互配合的凸筋和凹槽；所述三通(1)设有所述凸筋，所述气囊(2)设有所述凹槽，或所述三通(1)设有所述凹槽，所述气囊(2)设有所述凸筋。
  10. 一种吸奶器，其特征在于，包括如权利要求1-9任一项所述的三通结构。
PCT/CN2021/132280 2021-07-29 2021-11-23 一种三通结构及吸奶器 WO2023005073A1 (zh)

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