Breast pump

Abstract

The utility model discloses a breast pump which comprises a breast sucking shield, a breast collecting bowl and a main machine, the breast sucking shield comprises a flange and a nipple containing part, one side of the flange is used for being attached to a breast, and the other side of the flange is connected with the nipple containing part; a milk storage cavity can be defined by a bowl opening of the milk collecting bowl and the flange, a milk pouring groove is formed in the edge of the bowl opening, the milk pouring groove extends in the radial direction of the milk collecting bowl and is communicated with the milk storage cavity, the milk pouring groove protrudes towards the outer side of the milk collecting bowl, and a placement position is formed on the side, away from the milk sucking shield, of the milk collecting bowl; the main machine comprises a shell and a negative pressure assembly, the shell is detachably arranged at the placement position, and the negative pressure assembly is arranged in the shell and used for providing negative pressure into the nipple containing part. The technical scheme of the utility model provides a breast pump convenient for pouring milk.

Description

Technical Field

[0001] The utility model relates to the technical field of maternal and infant products, in particular to a breast pump. Background Art

[0002] A breast pump is a tool used to express breast milk accumulated in the mammary glands. It is generally used when the baby is unable to suck breast milk directly, or when the mother leaves the baby but still wants to breastfeed.

[0003] Most of the existing breast pumps pour out the milk through the pouring hole, and the pouring of milk is greatly affected by the atmospheric pressure, so the pouring of milk is not smooth. Utility Model Content

[0004] The main purpose of the utility model is to provide a breast pump, which is intended to facilitate users to pour milk.

[0005] To achieve the above-mentioned purpose, the breast pump proposed by the utility model includes a breast shield, a milk collecting bowl and a main unit, the breast shield including a flange and a nipple accommodating portion, one side of the flange is used to fit the breast, and the other side of the flange is connected to the nipple accommodating portion; the bowl mouth of the milk collecting bowl and the flange can enclose a milk storage cavity, the edge of the bowl mouth is formed with a milk pouring groove, the milk pouring groove extends along the radial direction of the milk collecting bowl and is connected to the milk storage cavity, the milk pouring groove protrudes to the outside of the milk collecting bowl, and a placement position is formed on the side of the milk collecting bowl away from the breast shield; the main unit includes a shell and a negative pressure component, the shell is detachably arranged at the placement position, the negative pressure component is arranged in the shell, and the negative pressure component is used to provide negative pressure to the nipple accommodating portion.

[0006] In one embodiment of the present application, a lip is protruding outwardly from an edge of one end of the milk pouring trough away from the center, and the main unit is detachably clamped between the milk collecting bowl and the lip.

[0007] In one embodiment of the present application, the shell is formed with a groove, and when the main unit is installed on the milk collecting bowl, the groove cooperates with the outer wall of the milk pouring trough.

[0008] In one embodiment of the present application, an air duct is protruding from the milk collecting bowl, and a negative pressure air hole is opened on the surface of the shell. The air duct is used to pass through the negative pressure air hole and communicate with the negative pressure component to transfer negative pressure to the nipple receiving portion.

[0009] In an embodiment of the present application, the stopping direction of the lip is the same as the extending direction of the air duct.

[0010] In one embodiment of the present application, a fixing portion is convexly provided on the front side of the shell, and a fixing groove is provided in the milk collecting bowl. When the main unit is installed on the milk collecting bowl, the fixing portion is clamped in the fixing groove.

[0011] In one embodiment of the present application, an inserting portion is protruding from the fixing portion, and an inserting slot is provided in the fixing slot. When the main unit is installed on the milk collecting bowl, the inserting portion is inserted into the inserting slot.

[0012] In one embodiment of the present application, hand grips are protrudingly provided on opposite sides of the shell.

[0013] In one embodiment of the present application, the breast pump further comprises a duckbill valve, one end of the duckbill valve is communicated with the nipple receiving portion, and the other end is a duckbill end, and the duckbill end is communicated with the milk collecting bowl.

[0014] In one embodiment of the present application, a folded portion is formed on the outer periphery of the flange to cover and limit the opening edge of the milk collecting bowl, and a notch is formed on the folded portion to avoid the notch of the milk pouring trough.

[0015] The breast pump proposed in the technical solution of the utility model includes a breast shield, a milk collecting bowl and a main unit. The breast shield includes a flange and a nipple receiving portion. One side of the flange is used to fit the breast, and the other side is connected to the nipple receiving portion. The mouth of the milk collecting bowl and the flange are enclosed to form a milk storage cavity. The edge of the mouth of the bowl is recessed away from the flange to form a milk pouring groove. The milk stored in the receiving cavity of the milk collecting bowl can be poured out through the milk pouring groove. The milk pouring groove plays a role in guiding the outflow of milk, so that the milk is easier to pour out from the milk collecting bowl. The milk pouring groove extends along the radial direction of the milk collecting bowl, which can make the milk pouring smoother. A placement position is set on the side of the milk collecting bowl away from the breast shield. The shell of the main unit can be detachably placed on the placement position, which is convenient for disassembling the main unit, reducing the overall weight, and facilitating the user to use the milk collecting bowl to pour milk or clean the milk collecting bowl. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0017] Figure 1 This is a schematic structural diagram of an embodiment of the breast pump of the utility model;

[0018] Figure 2 This is an exploded view of another embodiment of the breast pump of the present invention;

[0019] Figure 3 This is an exploded view of another embodiment of the breast pump of the utility model;

[0020] Figure 4 It is a structural schematic diagram of an embodiment of a host in a breast pump of the present utility model.

[0021] Description of Figure Numbers:

[0022] Label name Label name 100 Breast Pump 25 Fixed slot 1 Breast shields 251 Socket 11 Flange 3 Host 111 Folding Department 31 case 12 Nipple receiving area 311 Grooves 2 Milk bowl collection 312 Negative pressure vent 21 Milk storage chamber 313 Fixed part 22 Milk trough 3131 Connector 221 Lip 314 Clasp 23 Placement 4 Duckbill valve 24 Airway

[0023] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0026] In addition, the descriptions of "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0027] Most of the existing breast pumps pour out the milk through the pouring hole, and the pouring of milk is greatly affected by the atmospheric pressure, so the pouring of milk is not smooth enough. Therefore, the utility model provides a breast pump that is convenient for pouring milk.

[0028] The utility model provides a breast pump 100 .

[0029] In the embodiment of the utility model, the breast pump 100 includes a breast shield 1, a milk collecting bowl 2 and a main unit 3. The breast shield 1 includes a flange 11 and a nipple accommodating portion 12. One side of the flange 11 is used to fit the breast, and the other side of the flange 11 is connected to the nipple accommodating portion 12. The mouth of the milk collecting bowl 2 and the flange 11 can enclose a milk storage cavity 21. The edge of the mouth of the bowl is formed with a milk pouring groove 22. The milk pouring groove 22 extends along the radial direction of the milk collecting bowl 2 and is connected to the milk storage cavity 21. The milk pouring groove 22 protrudes to the outside of the milk collecting bowl 2. A placement position 23 is formed on the side of the milk collecting bowl 2 away from the breast shield 1. The main unit 3 includes a shell 31 and a negative pressure component. The shell 31 is detachably arranged at the placement position 23. The negative pressure component is arranged in the shell 31. The negative pressure component is used to provide negative pressure to the nipple accommodating portion 12.

[0030] In this embodiment, the breast shield 1 includes a flange 11 and a nipple receiving portion 12. The nipple receiving portion 12 has two openings at both ends and is through, and is used to receive a nipple. The material of the nipple receiving portion 12 can be a rigid material, such as plastic, metal tube, glass tube, etc., or a flexible material or a semi-flexible material, such as rubber or silicone, etc., which is not specifically limited here. The flange 11 is made of a flexible material, such as rubber or silicone, etc. When negative pressure is applied to the flange 11, the flange 11 can be deformed to transfer the negative pressure to the user's breast, further improving the efficiency of milk discharge. The material of the milk collecting bowl 2 should be a safe, non-toxic, and lightweight material, such as plastic, etc. The general shape of the milk collecting bowl 2 is a bowl shape. In order to assemble the milk collecting bowl 2 and the breast shield 1 into one body, the milk collecting bowl 2 is formed with an avoidance position on the side of the breast shield 1. The edge of the bowl of the milk collecting bowl 2 is formed with a milk pouring groove 22, which protrudes toward the outside of the milk collecting bowl 2 and is connected to the accommodating chamber of the milk collecting bowl 2. The milk is poured out from the milk collecting bowl 2 through the milk pouring groove 22, which reduces the influence of the atmospheric pressure on the milk and makes the pouring of milk smoother. The placement position 23 on the milk collecting bowl 2 is roughly a quarter sphere, with two mutually perpendicular placement planes, so that the host 3 of the breast pump 100 can be installed at the placement position 23. A negative pressure component is arranged in the housing 31, and the negative pressure component can be a diaphragm pump, a piezoelectric pump, a hydraulic pump, a mechanical pump, or a combination of the above pumps. Negative pressure can be directly applied to the milk collecting bowl 2 or the breast shield 1 by being connected, or negative pressure can be indirectly applied to the breast shield 1 or the milk collecting bowl 2 by elastic deformation of liquid barriers such as elastic diaphragms or elastic air bags, which is not further limited here. The housing 31 of the main unit 3 is detachably connected to the placement position 23 of the milk collecting bowl 2. When pouring milk or cleaning the milk bowl, the main unit 3 can be removed from the placement position 23 of the milk collecting bowl 2 to reduce the overall weight and prevent the main unit 3 from falling or being damaged by water.

[0031] The breast pump 100 proposed in the technical solution of the utility model comprises a breast shield 1, a milk collecting bowl 2 and a main unit 3. The breast shield 1 comprises a flange 11 and a nipple receiving portion 12. One side of the flange 11 is used to fit the breast, and the other side is connected to the nipple receiving portion 12. The mouth of the milk collecting bowl 2 and the flange 11 enclose a milk storage cavity 21. The edge of the mouth of the bowl is recessed in a direction away from the flange 11 to form a milk pouring groove 22. The milk stored in the receiving cavity of the milk collecting bowl 2 can be poured out through the milk pouring groove 22. The milk pouring groove 22 plays a role in guiding the outflow of milk, so that the milk is more easily poured out from the milk collecting bowl 2. The milk pouring groove 22 extends along the radial direction of the milk collecting bowl 2, which can make the milk pouring smoother. A placement position 23 is provided on the side of the milk collecting bowl 2 facing away from the breast shield 1 , and the shell 31 of the main unit 3 is detachably mounted on the placement position 23 , so that the main unit 3 can be easily disassembled to reduce the overall weight and facilitate the user to use the milk collecting bowl 2 to pour milk or clean the milk collecting bowl 2 .

[0032] In one embodiment of the present application, a lip 221 is protruding outward from an edge of one end of the milk pouring trough 22 away from the center, and the main unit 3 is detachably clamped between the milk collecting bowl 2 and the lip 221 .

[0033] In this embodiment, a lip 221 is provided at one end of the milk pouring trough 22 away from the center, and the lip 221 is convex outward, which can prevent the milk from flowing down the trough wall of the milk pouring trough 22 when pouring, causing contamination of the milk or damage to the breast pump 100, and the main unit 3 can be detachably clamped between the lip 221 and the placement position 23 of the milk collecting bowl 2, so as to fix the main unit 3 in the vertical direction and prevent the main unit 3 from falling off the milk collecting bowl 2, causing personal injury and damage to the main unit 3.

[0034] In one embodiment of the present application, the housing 31 is formed with a groove 311 , and when the main unit 3 is installed on the milk collecting bowl 2 , the groove 311 cooperates with the outer wall of the milk pouring trough 22 .

[0035] In this embodiment, a groove 311 is formed on the surface of the shell 31 facing the milk pouring trough 22. When the main unit 3 is installed in the placement position 23, the milk pouring trough 22 protrudes toward the outside of the milk collecting bowl 2, so that the groove wall of the milk pouring trough 22 can abut against the groove wall of the groove 311, thereby guiding the installation of the main unit 3 and limiting the installation position of the main unit 3 in the left and right horizontal directions to prevent the main unit 3 from falling off the milk collecting bowl 2, causing personal injury and damage to the main unit 3.

[0036] In one embodiment of the present application, an air duct 24 is protruding from the milk collecting bowl 2, and a negative pressure air hole 312 is opened on the surface of the shell 31. The air duct 24 is used to pass through the negative pressure air hole 312 and communicate with the negative pressure component to transfer the negative pressure to the nipple receiving portion 12.

[0037] In this embodiment, an air duct 24 is convexly provided at one end of the milk collecting bowl 2 away from the breast shield 1. The air duct 24 is hollow and communicates with the accommodating cavity in the milk collecting bowl 2. Correspondingly, a negative pressure air hole 312 is provided on the surface of the shell 31 facing the milk collecting bowl 2. The air duct 24 passes through the negative pressure air hole 312 and is connected to the negative pressure component, so that the negative pressure component applies negative pressure to the milk collecting bowl 2, and finally achieves the milk suction. The mutual cooperation between the air duct 24 and the negative pressure air hole 312 can also guide and limit the installation position of the main unit 3 in the horizontal front-to-back direction, further improve the stability of the connection between the main unit 3 and the milk collecting bowl 2, and prevent the main unit 3 from falling off the milk collecting bowl 2, causing personal injury and damage to the main unit 3.

[0038] In an embodiment of the present application, the stopping direction of the lip 221 is the same as the extending direction of the air guide tube 24 .

[0039] In this embodiment, the stopping direction of the lip 221 is the same as the extending direction of the air guide tube 24. The stopping direction of the lip 221 is the vertical direction of the main unit 3, which can limit the installation position of the main unit 3 in the vertical direction. The air guide tube 24 extends in the vertical direction and extends into the negative pressure air hole 312 opened in the outer shell of the main unit 3, and is connected with the negative pressure component, and can limit the installation position of the main unit 3 in the front and rear directions to prevent the main unit 3 from falling off the milk collecting bowl 2, causing personal injury or damage to the main unit 3.

[0040] In one embodiment of the present application, a fixing portion 313 is convexly provided on the front side of the shell 31 , and a fixing groove 25 is provided in the milk collecting bowl 2 . When the main unit 3 is installed on the milk collecting bowl 2 , the fixing portion 313 is clamped in the fixing groove 25 .

[0041] In this embodiment, a fixing portion 313 is protruding from the front edge of the shell 31, and a fixing groove 25 is opened on the front side of the milk collecting bowl 2. When the main unit 3 is installed on the milk collecting bowl 2, the fixing portion 313 is clamped in the fixing groove 25. Preferably, the fixing portion 313 is located at the central position of the front side of the breast pump 100, and preferably, the fixing portion 313 extends along the vertical direction of the breast pump 100 in normal use.

[0042] In one embodiment of the present application, an inserting portion 3131 is protruded from the fixing portion 313 , and an inserting slot 251 is opened in the fixing slot 25 . When the main unit 3 is installed on the milk collecting bowl 2 , the inserting portion 3131 is inserted into the inserting slot 251 .

[0043] In this embodiment, an inserting portion 3131 is protruded on the edge of the fixing portion 313, and an inserting slot 251 is opened in the fixing slot 25. The inserting portion 3131 is inserted into the inserting slot 251. Preferably, the cooperation between the inserting portion 3131 and the inserting slot 251 limits the relative movement of the main unit 3 and the milk collecting bowl 2 in the front-to-back direction, which can further enhance the connection strength between the shell 31 of the main unit 3 and the milk collecting bowl 2, and prevent the main unit 3 from falling off the milk collecting bowl 2, causing personal injury and damage to the main unit 3.

[0044] In one embodiment of the present application, two opposite sides of the housing 31 are provided with protruding handle positions 314 .

[0045] In this embodiment, the housing 31 has a gripping position 314 protruding from opposite sides thereof, and the gripping position 314 is arranged close to the breast shield 1. When the host 3 needs to be taken out, the user can first unhook the host 3 and the lip 221 by applying force on the gripping position 314, so as to facilitate the removal of the host 3. When the host 3 is installed on the milk collecting bowl 2, one side of the host 3 is plugged into the air duct 24, and one side is abutted between the milk collecting bowl 2 and the lip 221. The stop direction of the lip 221 is the same as the extension direction of the air duct 24. At the same time, the fixing portion 313 is plugged into the fixing groove 25, and the plug-in portion 3131 is plugged into the plug-in groove 251. In this way, the host 3 and the milk collecting bowl 2 can be fixed to each other. When disassembling, the restriction of the host 3 and the lip 221 can be released first by the gripping position 314, and then the host 3 can be removed away from the air duct 24, which is convenient and easy to disassemble.

[0046] In one embodiment of the present application, the breast pump 100 further includes a duckbill valve 4 , one end of which is connected to the nipple receiving portion 12 , and the other end is a duckbill end, which is connected to the milk collecting bowl 2 .

[0047] In this embodiment, in order to prevent milk from flowing back and causing pollution or waste, in this embodiment, the breast pump 100 is provided with a duckbill valve 4, one end of the duckbill valve 4 is connected to the nipple receiving portion 12, and the other end is a duckbill end. Liquid can only flow out of the duckbill end in one direction and cannot flow in, thereby achieving the effect of milk non-return.

[0048] In one embodiment of the present application, a folded portion 111 is formed on the outer periphery of the flange 11 to cover the opening edge of the limiting milk collecting bowl 2 , and a notch is formed on the folded portion 111 to avoid the notch of the milk pouring trough 22 .

[0049] In this embodiment, the outer periphery of the flange 11 is formed with a folded portion 111, which is used to cover and limit the opening edge of the milk collecting bowl 2, thereby improving the connection strength and sealing performance between the milk collecting bowl 2 and the flange 11. The folded portion 111 is formed with a notch to avoid the notch of the milk pouring trough 22, so that the milk can be poured out of the milk pouring trough 22.

[0050] In one example, a negative pressure chamber is protruding in the milk collecting bowl 2 toward the breast shield 1, and a negative pressure space is formed in the negative pressure chamber. The negative pressure space is connected to the negative pressure component through the air duct 24 through the negative pressure air hole 312 opened in the main unit 3. A suction diaphragm is sandwiched between the other end of the nipple receiving part 12 and the negative pressure chamber. The negative pressure component transfers the negative pressure to the suction diaphragm through the negative pressure space in the negative pressure chamber, causing the suction diaphragm to deform under its own elasticity, thereby applying negative pressure to the nipple receiving part 12, and finally transferring the negative pressure to the breast through the flexible flange 11, helping the user to discharge milk and improve the efficiency of milk collection. The outer surface of the milk collecting bowl 2 includes a placement position 23 similar to a 1 / 4 sphere, which matches the shape of the main unit 3. After the main unit 3 is installed, the outer surface of the main unit 3 and the milk collecting bowl 2 form a roughly continuous hemispherical curved surface, which is convenient for the user to hold and grasp, and has a beautiful appearance.

[0051] The above description is only a preferred 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 inventive 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. A breast pump, characterized in that: include: A breast shield, the breast shield comprising a flange and a nipple receiving portion, one side of the flange being used to fit the breast, and the other side of the flange being connected to the nipple receiving portion; A milk collecting bowl, wherein the mouth of the milk collecting bowl and the flange can enclose a milk storage cavity, a milk pouring groove is formed at the edge of the mouth of the bowl, the milk pouring groove extends in the radial direction of the milk collecting bowl and communicates with the milk storage cavity, the milk pouring groove protrudes to the outside of the milk collecting bowl, and a placement position is formed on the side of the milk collecting bowl away from the breast shield; and The host comprises a shell and a negative pressure component, wherein the shell is detachably arranged at the placement position, the negative pressure component is arranged in the shell, and the negative pressure component is used to provide negative pressure to the nipple receiving part.

2. The breast pump according to claim 1, characterized in that The edge of one end of the milk pouring trough away from the center is protruded outwardly with a lip, and the main machine is detachably clamped between the milk collecting bowl and the lip.

3. The breast pump according to claim 2, characterized in that The shell is formed with a groove, and when the main unit is installed on the milk collecting bowl, the groove is matched with the outer wall of the milk pouring trough.

4. The breast pump according to claim 2, characterized in that: An air guide tube is convexly provided on the milk collecting bowl, and a negative pressure air hole is opened on the surface of the shell. The air guide tube is used to pass through the negative pressure air hole and communicate with the negative pressure component to transfer the negative pressure to the nipple receiving part.

5. The breast pump according to claim 4, characterized in that The stopping direction of the lip is the same as the extending direction of the air guide tube.

6. The breast pump according to claim 1, characterized in that: A fixing portion is convexly provided on the front side of the shell, and a fixing groove is provided on the milk collecting bowl. When the main unit is installed on the milk collecting bowl, the fixing portion is clamped in the fixing groove.

7. The breast pump according to claim 6, characterized in that An inserting portion is protruding from the fixing portion, and an inserting slot is provided in the fixing slot. When the main unit is installed on the milk collecting bowl, the inserting portion is inserted into the inserting slot.

8. The breast pump according to claim 7, characterized in that Hand grips are protrudingly provided on opposite sides of the shell.

9. A breast pump according to any one of claims 1 to 8, characterized in that The breast pump further comprises a duckbill valve, one end of which is communicated with the nipple receiving portion, and the other end of which is a duckbill end, which is communicated with the milk collecting bowl.

10. The breast pump according to any one of claims 1 to 8, characterized in that The outer peripheral edge of the flange is formed with a folded portion to cover and limit the opening edge of the milk collecting bowl, and the folded portion is formed with a notch to avoid the notch of the milk pouring trough.

Images