A breast pump and breast pumping device

Abstract

This utility model belongs to the technical field of maternal and infant products, and discloses a breast pump shield and breast pumping device. The breast pump shield includes a shield body, a connecting structure, and multiple ribs. The shield body has a first end and a second end that are interconnected. From the first end to the second end, the inner diameter of the shield body gradually decreases. The open end faces of the first end and the second end are set at an acute angle. One end of the connecting structure is fixedly connected to the second end of the shield body, and the other end of the connecting structure is used to connect to a bottle. Multiple ribs are arranged in a ring on the inner wall of the shield body, and are parallel and spaced apart along the generatrix direction of the inner wall. By arranging multiple ribs in a ring on the inner wall of the shield body, and by arranging multiple ribs parallel and spaced apart along the generatrix direction of the inner wall, the pressure can be evenly distributed during negative pressure breast pumping, reducing the friction intensity between the breast and the breast pump shield, reducing breast pain during use, and providing the user with a more comfortable and user-friendly breast pumping experience.

Description

Technical Field

[0001] This utility model relates to the field of maternal and infant products technology, and in particular to a breast pump shield and breast pumping device. Background Technology

[0002] Currently, breast pumps on the market, whether electric or manual, all consist of two core components: a breast shield and a negative pressure generating device. The breast shield, as the key component in direct contact with the breast, typically features a funnel-shaped design with a smooth inner surface to achieve a good seal by conforming to the breast. In actual operation, the working logic of a breast pump is based on the principle of air pressure difference; however, different types of products generate negative pressure in different ways: for electric or separate manual breast pumps, the negative pressure generating device creates a partial vacuum by drawing air, causing the breast shield to adhere tightly to the breast surface; while for one-piece silicone breast pumps, negative pressure is generated by squeezing the elastic bottle, using the air pressure difference created by the material's rebound to achieve suction. Both methods use periodic pressure changes to promote milk flow and collection.

[0003] However, during use, because the inner surface of the breast pump is in complete contact with the breast skin, when the negative pressure is increased to improve pumping efficiency, the relative friction between the two directly affects the sensitive tissues around the mammary glands, causing significant stinging sensations. Simultaneously, since the negative pressure generating device and milk collection device of the integrated silicone breast pump are housed in the same cavity, the overall weight of the breast pump gradually increases as milk is secreted and flows into the collection cavity. This leads to increased contact pressure between the breast and the inner surface of the breast pump, further intensifying friction and continuously increasing pain. In severe cases, it can even cause areola edema or skin abrasions, significantly reducing the comfort of using the product. Utility Model Content

[0004] The purpose of this invention is to provide a breast pump and a breast pumping device that can effectively reduce the friction intensity between the breast and the breast pump, thereby reducing the pain caused to the breast during use and providing users with a more comfortable and user-friendly breast pumping experience.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] On the one hand, this utility model provides a breast pump shield, including a shield body and multiple ribs. The shield body is hollow inside and has a first end and a second end that are interconnected. Both the first end and the second end are provided with openings. The inner diameter of the shield body gradually decreases from the first end to the second end. The opening end faces of the first end and the second end are set at an acute angle. The multiple ribs are arranged in a ring on the inner wall of the shield body, and the multiple ribs are arranged in parallel and spaced apart along the generatrix direction of the inner wall of the shield body.

[0007] Preferably, the height of the multiple ribs gradually decreases from the first end to the second end.

[0008] Preferably, each of the multiple ribs has an opening, and the multiple openings are located on the same generatrix on the inner wall of the cover. A guide groove extending along the generatrix is ​​provided at the opening, and the guide groove extends to the first end of the cover.

[0009] Preferably, the cross-section of the guide channel is arc-shaped, and the channel wall of the guide channel smoothly transitions with the inner wall of the cover. The guide channel includes a first guide channel and a second guide channel. The first guide channel extends along the generatrix direction of the inner wall of the cover. One end of the first guide channel extends to the first end of the cover, and the other end of the first guide channel is connected to the second guide channel. The second guide channel is a semi-circular groove.

[0010] Preferably, the width of the first guide groove gradually increases from the first end to the second end.

[0011] Preferably, a sealing ring is provided at the first end of the cover. The sealing ring has a first sealing surface located on the end face of the first end and a second sealing surface located on the inner wall of the cover. The first sealing surface and the second sealing surface are set at an obtuse angle.

[0012] Preferably, a connecting structure is fixedly provided at the second end of the cover, and the connecting structure is hollow inside.

[0013] Preferably, the end of the connecting structure away from the cover is provided with a connecting part, which is used to detachably connect to the bottle body.

[0014] Preferably, the cover and the connecting structure are integrally formed.

[0015] On the other hand, this utility model provides a breast pumping device, which includes a bottle body and a breast pumping shield of any of the above technical solutions, wherein the bottle mouth of the bottle body is connected to the opening at the second end of the breast pumping shield.

[0016] Preferably, a suction cup is provided at the end of the bottle away from the breast pump, the suction cup can be attached to an external plane, and a handle is provided on the outer edge of the suction cup, which is flush with the bottom surface of the suction cup.

[0017] The beneficial effects of this utility model are as follows:

[0018] A breast pump and a breast pumping device are provided. The breast pump has multiple raised ribs arranged in a ring on the inner wall of the pump body. The multiple raised ribs are arranged in parallel and spaced along the generatrix of the inner wall of the pump body, so that the contact area between the breast pump and the breast is evenly distributed. When negative pressure is applied during breast pumping, the pressure can be evenly distributed, which can effectively reduce the friction intensity between the breast and the breast pump, thereby reducing the pain caused to the breast during use and providing the user with a more comfortable and user-friendly breast pumping experience. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the breast shield provided by this utility model;

[0020] Figure 2 This is a first-view structural schematic diagram of the breast pumping device provided by this utility model;

[0021] Figure 3 This is a second-view structural schematic diagram of the breast pumping device provided by this utility model.

[0022] In the picture:

[0023] 1. Breast pump shield; 11. Shield body; 111. First end; 112. Second end; 12. Connecting structure; 13. Rib; 14. Guide channel; 141. First guide channel; 142. Second guide channel; 15. Sealing ring; 151. First sealing surface; 152. Second sealing surface; 16. Connecting part; 161. Annular groove; 162. Retaining ring;

[0024] 2. Bottle body; 21. Shaping ring; 22. Suction cup; 23. Handle. Detailed Implementation

[0025] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0026] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0028] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0029] On the one hand, please refer to Figures 1 to 3 This utility model provides a breast pump 1, including a cover body 11, a connecting structure 12, and multiple ribs 13. The cover body 11 is hollow inside and has a first end 111 and a second end 112 that are interconnected. Both the first end 111 and the second end 112 are provided with openings. The inner diameter of the cover body 11 gradually decreases from the first end 111 to the second end 112. The opening end face of the first end 111 and the opening end face of the second end 112 are set at an acute angle. The connecting structure 12 is hollow inside. One end of the connecting structure 12 is fixedly connected to the second end 112 of the cover body 11, and the other end of the connecting structure 12 is used to connect to the bottle body 2. Multiple ribs 13 are arranged in a ring on the inner wall of the cover body 11, and are arranged parallel and spaced apart along the generatrix direction of the inner wall of the cover body 11. With this design, multiple raised ribs 13 are arranged in a ring on the inner wall of the breast shield 11, and these ribs 13 are arranged parallel and spaced along the generatrix of the inner wall of the breast shield 11. This makes the contact area between the breast shield 1 and the breast evenly distributed. When using negative pressure for breastfeeding, the pressure can be evenly distributed, reducing the friction intensity between the breast and the breast shield 1, thereby reducing the pain caused to the breast during use and providing the user with a more comfortable and friendly breastfeeding experience.

[0030] Specifically, the inner diameter of the cover 11 gradually decreases from the first end 111 to the second end 112, forming a funnel-shaped cavity. During use, the breast is inserted through the first end 111 and contained within this cavity. The inner wall of the cover 11 fits tightly against the outer periphery of the breast to form a sealed space. When the breast pump generates negative pressure, the milk secreted by the breast under this pressure flows along the inner wall of the cover 11, flowing through the first end 111 into the bottle 2, thus completing the breast pumping and collection process. In this embodiment, the diameter of the first end 111 is 83 mm, the diameter of the second end 112 is 38 mm, the thickness of the cover 11 is 3 mm, and the width of the rib 13 is 6-8 mm.

[0031] Preferably, the opening face of the first end 111 is inclined and the opening face of the second end 112 is horizontal, so that the opening face of the first end 111 and the opening face of the second end 112 are set at an acute angle. When the cover 11 is in contact with the breast for breastfeeding, the bottle body 2 connected to the cover 11 can be kept vertical or nearly vertical, thereby effectively preventing the breast milk in the bottle body 2 from tipping over.

[0032] Furthermore, the number of raised ribs 13 is at least two; this embodiment uses four raised ribs 13 as an example. In other embodiments, the number of raised ribs 13 can also be two, three, five, etc., which can be set by those skilled in the art as needed.

[0033] Optionally, the height of the multiple ribs 13 gradually decreases from the first end 111 to the second end 112. This design makes the internal space of the breast shield 11 more closely conform to the contour of the human breast, reducing the friction intensity between the breast and the breast shield 1, thereby reducing the pain caused to the breast during use and providing the user with a more comfortable and user-friendly breastfeeding experience.

[0034] Specifically, in the direction from the first end 111 to the second end 112, the protrusion height of the first rib 13 is 2.35mm, the protrusion height of the second rib 13 is 2.11mm, the protrusion height of the third rib 13 is 1.29mm, and the protrusion height of the fourth rib 13 is 0.89mm.

[0035] Alternatively, please refer to Figure 2 Each of the multiple ribs 13 has an opening, which is located on the same generatrix of the inner wall of the cover 11. A guide groove 14 extending along the generatrix is ​​provided at the opening, and the guide groove 14 extends to the first end 111 of the cover 11. Specifically, the cross-section of the guide groove 14 is arc-shaped, and the groove wall of the guide groove 14 smoothly transitions with the inner wall of the cover 11. The guide groove 14 includes a first guide groove 141 and a second guide groove 142. The first guide groove 141 extends along the generatrix of the inner wall of the cover 11, one end of the first guide groove 141 extends to the first end 111 of the cover 11, and the other end of the first guide groove 141 communicates with the second guide groove 142. The second guide groove 142 is a semi-circular groove. During the pouring of breast milk, the milk first flows through the inner wall of the cover 11 to the second guide channel 142, where its arc-shaped structure forms a temporary storage space, buffering and guiding the flow of milk. Subsequently, the milk flows through the first guide channel 141 to the opening at the second end 112 and is discharged. This structure, through its graded flow design, significantly improves the controllability of the milk flow path, effectively increasing the accuracy of transferring breast milk to an external container and reducing the probability of spillage.

[0036] Preferably, the width of the first guide groove 141 gradually increases from the first end 111 to the second end 112. With this configuration, during the pouring of breast milk, the first guide groove 141 gradually narrows along the direction of milk flow, accurately guiding the flow while accelerating the flow of milk and ensuring that all milk is smoothly discharged.

[0037] Optionally, a sealing ring 15 is provided at the first end 111 of the cover 11. The sealing ring 15 has a first sealing surface 151 located on the end face of the first end 111 and a second sealing surface 152 located on the inner wall of the cover 11. The first sealing surface 151 and the second sealing surface 152 are set at an obtuse angle. Specifically, the connection between the first sealing surface 151 and the second sealing surface 152 can undergo elastic deformation.

[0038] The sealing ring 15 has an initial state and an operating state. When the cover 11 is placed on the breast, the sealing ring 15 is in the initial state. The second sealing surface 152 of the sealing ring 15 first adheres to the outer periphery of the breast to form an initial seal. At this time, the first sealing surface 151 is in an unadhered state, and only the second sealing surface 152 achieves initial adsorption.

[0039] When the bottle body 2 is squeezed to pump milk or the milk collection device becomes heavier due to the increased milk storage, the breast deforms due to negative pressure or gravity. At this time, the sealing ring 15 is in operation, and the second sealing surface 152 moves slightly with the change in breast shape. At the same time, it pulls the first sealing surface 151 to adhere to the surface of the breast, forming a "secondary adsorption". During this process, the second sealing surface 152 always remains in contact with the breast, and together with the first sealing surface 151, they form a double adsorption structure.

[0040] This design achieves two advantages. First, the combined action of the first sealing surface 151 and the second sealing surface 152 enables dual adsorption, significantly enhancing suction and effectively preventing the breast shield 11 from detaching from the breast. This ensures the continuity of the breast pumping process and avoids disruptions to the pumping operation due to seal failure. Second, the obtuse angle structure formed by the first sealing surface 151 and the second sealing surface 152 allows for differentiated fitting of the two sealing surfaces to accommodate different breast shapes, ensuring a snug fit and improving the versatility of the breast shield 1.

[0041] Optionally, the end of the connecting structure 12 away from the cover 11 is provided with a connecting part 16, which is used to detachably connect to the bottle body 2. With this configuration, the breast pump cover 1 can be detachably connected to the bottle body 2, which facilitates rinsing of the breast pump cover 1 and the bottle body 2 and reduces cleaning dead spots; at the same time, the cover 11 and the bottle body 2 can be separated when going out, saving space in the bag.

[0042] Optionally, the breast shield 11 and the connecting structure 12 are integrally molded. This further enhances the sealing performance of the breast shield 1, preventing milk from leaking out of the breast shield 1.

[0043] On the other hand, please refer to Figure 2 and Figure 3 This utility model provides a breast pumping device, which includes a bottle body 2 and the aforementioned breast pumping shield 1. Specifically, the bottle mouth of the bottle body 2 is connected to the opening of the second end 112 of the breast pumping shield 1 through a connecting structure 12. The end of the connecting structure 12 away from the shield body 11 is provided with a connecting part 16. The connecting part 16 includes an annular groove 161 and a fixing ring 162 arranged sequentially. A shaping ring 21 is circumferentially protruding from the outer wall of the bottle body 2. The cross-section of the shaping ring 21 is arc-shaped. The upper edge of the shaping ring 21 is engaged with the annular groove 161, and the fixing ring 162 is engaged with the arc-shaped inner wall of the shaping ring 21. With this design, after the upper edge of the shaping ring 21 is inserted into the slot, the cover 11 and the bottle body 2 are locked in an axial position, preventing them from moving up and down. The outer diameter of the fixing ring 162 is slightly larger than the arc-shaped inner wall of the shaping ring 21. When inserted, it elastically expands and, after insertion, forms a "hugging" interference fit by rebounding, holding the cover 11 and the bottle body 2 together. During disassembly, a slight force in the opposite direction is enough to dislodge the fixing ring 162, completing the quick disassembly. No need to turn the threads multiple times; it can be inserted and pulled out with one hand, meeting the "quick assembly and quick washing" requirements of the mother and baby scenario. At the same time, this structure does not have fine threads that can trap milk residue; it only has a smooth annular surface and arc transition, which can be cleaned by rinsing. In some embodiments, the bottle body 2 and the breast pump cover 1 can also be integrally molded.

[0044] Furthermore, the bottle body 2 is approximately ellipsoidal in shape, with flat top and bottom surfaces, and a symmetrical profile that is narrow at both ends and wide in the middle. It is made of elastic silicone material, allowing it to deform under external force and quickly return to its original shape. The bottle body 2 functions as both a negative pressure generating device and a milk storage container, operating based on the principle of negative air pressure. During use, external force is applied to the wide middle section of the bottle body 2, expelling the air inside. At this point, the first end 111 of the cover 11 is placed over the breast and kept in close contact. Then, the bottle body 2 is released, and it returns to its original shape due to its elasticity, creating a negative pressure environment inside. Under this negative pressure, milk is drawn from the breast and flows into the bottle body 2 through the funnel-shaped cavity of the cover 11 and the second end 112 for storage. The storage capacity of the bottle body 2 is ≥90ml.

[0045] Furthermore, please refer to Figure 3The shaping ring 21 is a closed ring located slightly above the center of the bottle body 2, integrally formed with the bottle body 2. It protrudes horizontally outward along the outer circumference of the bottle body 2, with a radial thickness greater than the wall thickness of the bottle body 2, forming a circumferential reinforcing protrusion. This shaping ring 21 helps to shape the bottle body 2, effectively preventing unexpected deformation when squeezing is not required. Simultaneously, it does not affect the normal squeezing operation of the bottle body 2, ensuring a smooth squeezing process. This allows the bottle body 2 to stably maintain its shape for easy milk storage while also meeting the squeezing requirements during milk expression. Furthermore, the outward protrusion design of the shaping ring 21 does not occupy the internal milk storage space of the bottle body 2, while increasing its own structural area, thereby further improving the reliability of the shaping effect.

[0046] Alternatively, please refer to Figure 3 A suction cup 22 is provided at the end of the bottle body 2 away from the breast pump 1. The suction cup 22 can adhere to an external surface, and a handle 23 flush with the bottom surface of the suction cup 22 is provided on the outer edge of the suction cup 22. Specifically, the suction cup 22 is located on the bottom surface of the bottle body 2, extending outward from the circumferential edge of the bottom surface of the bottle body 2 at an acute angle to the horizontal plane, forming an outwardly expanding funnel-shaped annular flange. When no pressure is applied, only the edge of the suction cup 22 is in contact with the surface, and no seal is formed between the suction cup 22 and the surface, so no suction force is generated. The breast pump is in an unsecured state and is easily tipped over due to external impact. When an external pressing force is applied to the suction cup 22, the suction cup 22 deforms, expelling the air between it and the surface, forming a negative pressure sealed cavity. At this time, suction force is generated between the suction cup 22 and the surface, and the breast pump is stably fixed on the surface, which can effectively prevent tipping due to collision, and thus prevent contaminants from getting into the breast pump mouth and milk from spilling out.

[0047] Furthermore, the handle 23 is a roughly triangular planar flange extending horizontally outward from one side of the suction cup 22. The edge is rounded to prevent scratches, and the upper surface has circular protrusions for anti-slip effect. When no pressure is applied to the suction cup 22, the handle 23 remains horizontal, with its bottom flush with the bottom surface of the suction cup 22, allowing it to adhere completely to the plane. At this time, the handle 23 and the suction cup 22 form a flat, integrated unit, occupying no extra space and preventing accidental contact or displacement due to protrusion. When pressure is applied to the suction cup 22, the air inside is expelled, creating negative pressure, thus tightly adhering to the plane. At this time, the handle 23 reacts in conjunction with the deformation of the middle of the suction cup 22, causing its edge to naturally curve upward, forming a non-zero angle with the plane. This angle provides space for the thumb to insert, so the user does not need to pry or dig. Just use the thumb to gently hook the handle 23 as if hooking the edge of an object, and pull upwards to easily break the negative pressure inside the suction cup 22 and quickly release the suction state. This effectively solves the problem that traditional suction cups 22 are difficult to remove due to being too tightly attached, making the operation more effortless and convenient.

[0048] Optionally, the breast pump is made of silicone with a hardness of 65-70 degrees, which makes the breast pump have moderate elasticity and suction, good resilience, and fast milk expression, so that users can express milk comfortably while maintaining high efficiency.

[0049] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A breast pump, characterized in that, The enclosure includes a cover (11) and multiple ribs (13). The cover (11) is hollow inside. The cover (11) has a first end (111) and a second end (112) that are connected to each other. Both the first end (111) and the second end (112) are provided with openings. The inner diameter of the cover (11) gradually decreases from the first end (111) to the second end (112). The opening end face of the first end (111) and the opening end face of the second end (112) are set at an acute angle. The multiple ribs (13) are arranged in a ring on the inner wall of the cover (11) and are arranged in parallel and spaced along the generatrix direction of the inner wall of the cover (11).

2. The breast pump cover according to claim 1, characterized in that, From the first end (111) to the second end (112), the height of the multiple ribs (13) gradually decreases.

3. The breast pump cover according to claim 1, characterized in that, Each of the ribs (13) is provided with an opening, and the multiple openings are located on the same generatrix of the inner wall of the cover (11). A guide groove (14) extending along the generatrix is ​​provided at the opening, and the guide groove (14) extends to the first end (111) of the cover (11).

4. The breast pump cover according to claim 3, characterized in that, The cross-section of the flow guide groove (14) is arc-shaped, and the groove wall of the flow guide groove (14) smoothly transitions with the inner wall of the cover (11). The flow guide groove (14) includes a first guide groove (141) and a second guide groove (142). The first guide groove (141) extends along the generatrix direction of the inner wall of the cover (11). One end of the first guide groove (141) extends to the first end (111) of the cover (11), and the other end of the first guide groove (141) communicates with the second guide groove (142). The second guide groove (142) is a semi-circular groove.

5. The breast pump cover according to claim 4, characterized in that, The width of the first guide groove (141) gradually increases from the first end (111) to the second end (112).

6. The breast pump cover according to claim 1, characterized in that, The first end (111) of the cover (11) is provided with a sealing ring (15). The sealing ring (15) has a first sealing surface (151) located on the end face of the first end (111) and a second sealing surface (152) located on the inner wall of the cover (11). The first sealing surface (151) and the second sealing surface (152) are set at an obtuse angle.

7. The breast pump according to any one of claims 1-6, characterized in that, A connecting structure (12) is fixedly provided at the second end (112) of the cover (11), and the connecting structure (12) is hollow inside.

8. The breast pump cover according to claim 7, characterized in that, The connecting structure (12) has a connecting part (16) at one end away from the cover (11), and the connecting part (16) is used to detachably connect to the bottle body (2).

9. The breast pump cover according to claim 8, characterized in that, The cover (11) and the connecting structure (12) are integrally formed.

10. A breast pumping device, characterized in that, The breast pumping device includes a bottle body (2) and a breast pump shield (1) as described in any one of claims 1-9, wherein the bottle mouth of the bottle body (2) is connected to the opening of the second end (112) of the breast pump shield (1).

Images