CN220588670U

CN220588670U - Elastic membrane and breast pump

Info

Publication number: CN220588670U
Application number: CN202321474358.9U
Authority: CN
Inventors: 陈万原; 苏庆洋; 胡晋玲
Original assignee: Shenzhen Lute Jiacheng Supply Chain Management Co Ltd
Current assignee: Shenzhen Lute Jiacheng Supply Chain Management Co Ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2024-03-15
Anticipated expiration: 2033-06-09

Abstract

The utility model discloses an elastic membrane and a breast pump, wherein the elastic membrane comprises a groove-shaped main body part, and a plurality of sealing convex strips are arranged on the main body part at intervals along the depth direction of the main body part.

Description

Elastic membrane and breast pump

Technical Field

The utility model relates to the technical field of breast pumps, in particular to an elastic membrane and a breast pump.

Background

After the existing breast pump collects milk, the milk is temporarily stored in a liquid storage cavity of the breast pump, the breast pump can be inverted, inclined and the like in the process of taking down the breast pump by a user, and the milk in the liquid storage cavity can flow into a suction cavity through a connection gap between a milk bowl, an elastic membrane and a diaphragm cover, so that the milk can be sucked and enter a host along an air pipe, and the service life of the breast pump is further influenced.

Disclosure of Invention

The main object of the present utility model is to provide an elastic membrane which is intended to be tightly connected to other breast pump components during use of the breast pump by improving the structure of the elastic membrane so as to enhance the tightness of the breast pump and to avoid liquid entering the pumping air chamber.

To achieve the above object, the present utility model provides an elastic film comprising: the sealing device comprises a groove-shaped main body part, wherein at least two sealing convex strips are arranged on the main body part along the depth direction of the main body part at intervals.

In an embodiment, the end of the main body portion is connected with a sealing flange, and the sealing flange and the sealing convex strip are disposed on different sides of the main body portion.

In an embodiment, the sealing flange is convexly arranged on the outer peripheral side of the sealing part, and the sealing convex strip is arranged on the inner peripheral side of the sealing part.

In an embodiment, the sealing bead is provided with a ring protrusion, which is arranged on the side of the sealing bead facing the groove bottom wall of the main body portion.

In one embodiment, the sealing cuff is annular.

In one embodiment, the sealing convex strip is annular.

In one embodiment, the end face of the sealing flange is provided with a ring protrusion, and the ring protrusion is protruded towards the side where the groove bottom wall of the main body part is located.

In an embodiment, the inner cavity of the main body part is columnar, and the distribution direction of the sealing convex strips is parallel to the axial direction of the inner cavity of the main body part.

In an embodiment, the main body portion is in a groove shape, and the sealing protruding strips are distributed in the notch of the main body portion.

In an embodiment, a bottom wall is disposed at a bottom of the main body, and the bottom wall is concavely disposed toward the groove of the main body, so as to form an avoidance space.

In an embodiment, the elastic membrane is made of silica gel.

The utility model also provides a breast pump comprising the elastic membrane with any of the characteristics.

According to the technical scheme, the structure of the elastic membrane is improved, the plurality of sealing convex strips are additionally arranged on the main body part, so that the connection tightness between the elastic membrane and the diaphragm cover of the breast pump is enhanced, the possibility that liquid flows out of the milk storage cavity and enters the suction cavity from the connection position of the elastic membrane and the diaphragm cover is reduced, and the connection tightness of the periphery of the suction cavity of the breast pump is enhanced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of an embodiment of a breast pump of the present utility model;

FIG. 2 is a cross-sectional view of an embodiment of the breast pump of FIG. 1 in an inactive state, indicated at A-A;

FIG. 3 is an enlarged view at B in FIG. 2;

FIG. 4 is a schematic view of an embodiment of the elastic membrane in FIG. 2;

FIG. 5 is a cross-sectional view of the elastic membrane of FIG. 4 at C-C;

FIG. 6 is a cross-sectional view of another embodiment of the breast pump of FIG. 1 at A-A in an inactive state;

FIG. 7 is an enlarged view of FIG. 6 at D;

FIG. 8 is a schematic view of an embodiment of the elastic membrane in FIG. 6;

fig. 9 is a cross-sectional view of the elastic film of fig. 8 at E-E.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in abutment, or in communication between two elements or in interaction with each other, unless explicitly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1 to 9, the present utility model proposes a breast pump, which, in the illustrated embodiment, includes a milk bowl 100, a diaphragm mounting case 110, an elastic membrane 200, and a diaphragm cover 300, wherein the diaphragm mounting case 110 is coupled to the milk bowl 100, the elastic membrane 200 is interposed between the diaphragm mounting case 110 and the diaphragm cover 300, wherein the elastic membrane 200 is detachably coupled to the diaphragm mounting case 110, and the diaphragm cover 300 is detachably coupled to the diaphragm mounting case 110.

With continued reference to fig. 1 to 9, the elastic film 200 includes: the main body 220 is provided with a plurality of sealing ribs 221 which are distributed at intervals along the depth direction of the main body 220. When the diaphragm mounting case 110, the elastic membrane 200 and the diaphragm cover 300 are connected, the sealing protrusion 221 is clamped between the main body 220 and the diaphragm cover 300, so that the sealing protrusion 221 further fills the gap between the main body 220 and the diaphragm cover 300, and when the liquid flows to the connection position of the elastic membrane 200 and the diaphragm cover 300, the sealing protrusion 221 blocks the milk from flowing into the suction air cavity 400 from the gap at the connection position, thereby enhancing the connection tightness between the elastic membrane 200 and the diaphragm cover 300; additionally, when the elastic membrane 200 is coupled to the diaphragm cover 300, at least two sealing ribs 221 are disposed along the extending direction of the gap sandwiched between the body part 220 and the diaphragm cover 300, so that the plurality of sealing ribs 221 form a plurality of barriers in the gap between the elastic membrane 200 and the diaphragm cover 300 to block the liquid from entering the pumping air chamber 400 from the gap, thus enhancing the coupling sealability between the elastic membrane 200 and the diaphragm cover 300 and the air tightness of the pumping air chamber 400.

In the technical scheme of the utility model, by improving the structure of the elastic membrane 200 and adding a plurality of sealing raised strips 221 to the main body 220, the connection tightness between the elastic membrane 200 and the diaphragm cover 300 of the breast pump is enhanced, the possibility that liquid flows out of the milk storage cavity and enters the suction air cavity 400 from the connection position of the elastic membrane 200 and the diaphragm cover 300 is reduced, and the connection tightness of the periphery of the suction air cavity 400 of the breast pump is enhanced.

It should be noted that the sealing ribs 221 may be configured as sealing sheets, and further, the sealing ribs 221 may be provided to extend obliquely to the bottom wall of the main body 220 along the depth direction of the main body 220, so that when the diaphragm cover 300 is inserted into the main body 220, the obliquely provided sealing ribs 221 may have a certain guiding effect on the insertion direction of the diaphragm cover 300, so that the diaphragm cover 300 is better inserted into the main body 220.

Referring to fig. 2 to 9, in an embodiment, a sealing flange 210 is connected to an end of the main body 220, and the sealing flange 210 and the sealing rib 221 are disposed on different sides of the main body 220. The main body 220 is used for connecting the diaphragm cover 300 to ensure the connection tightness between the elastic membrane 200 and the diaphragm cover 300, the sealing flange 210 is used for enhancing the connection tightness between the elastic membrane 200 and the diaphragm cover 300, referring to fig. 3 and 7, the sealing flange 210 is clamped between the diaphragm cover 300 and the diaphragm mounting shell 110, the extending direction of the sealing flange 210 is consistent with the depth direction of the main body 220, the contact area between the diaphragm cover 300 and the elastic membrane 200 is enlarged by the arrangement of the sealing flange 210, the connection tightness between the diaphragm cover 300 and the elastic membrane 200 is further enhanced, so that liquid is difficult to enter the suction air cavity 400, and the connection tightness of the periphery of the suction air cavity 400 is enhanced; meanwhile, one side of the gap between the diaphragm cover 300 and the elastic membrane 200 is sealed by the sealing flange 210, and the other side is sealed by the sealing convex strip 221, so that the sealing area for sealing the gap is further enlarged, and the possibility that liquid flows into the suction air cavity 400 along the gap is reduced. In other embodiments, the end surface connection ring of the main body 220 is provided with a rubber ring, and the sealing flange 210 and the sealing convex strip 221 are located on the same side of the main body 220.

Referring to fig. 4 and 8, in an embodiment, the sealing flange 210 is annular, the sealing flange 210 is disposed around the main body 220, and the sealing flange 210 is sandwiched between the diaphragm cover 300 and the diaphragm mounting shell 110, so that a good sealing effect can be achieved in the circumferential direction of the suction air chamber 400.

With continued reference to fig. 2 to 5, in an embodiment, the sealing flange 210 is further protruding on the outer peripheral side of the main body 220, and the sealing protrusion 221 is disposed on the inner peripheral side of the main body 220, so that the diaphragm cover 300 can be attached to the inner peripheral edge of the elastic membrane 200, and the sealing protrusion 221 is sandwiched between the diaphragm cover 300 and the main body 220, so that the connection between the diaphragm cover 300 and the elastic membrane 200 is tighter, and the gap between the diaphragm cover 300 and the elastic membrane 200 is further reduced.

Referring to fig. 8 and 9, in an embodiment, an end surface of the sealing flange 210 is provided with a ring protrusion 211, and the ring protrusion 211 is disposed on a side of the sealing flange 210 facing a groove bottom wall of the main body 220. Specifically, one side of the sealing flange 210, which is close to the diaphragm cover 300, is provided with one or more annular protrusions 211 at intervals, and the annular protrusions 211 are used for blocking liquid from flowing into the suction air cavity 400 along the gap between the sealing flange 210 and the diaphragm cover 300, so that the connection tightness between the sealing flange 210 and the diaphragm cover 300 is enhanced; further, the sealing flange 210 may be provided with a ring protrusion 211 near the diaphragm mounting housing 110, where the ring protrusion 211 is sandwiched between the sealing flange 210 and the diaphragm mounting housing 110, and the ring protrusion 211 is used to block the liquid from flowing into the pumping air cavity 400 from the gap between the sealing flange 210 and the diaphragm mounting housing 110, so that the connection tightness between the sealing flange 210 and the diaphragm mounting housing 110 is enhanced.

Referring to fig. 4 and 5, in an embodiment, the sealing ribs 221 are annular, so that the sealing ribs 221 are attached to the inner peripheral wall of the elastic membrane 200, and when the elastic membrane 200 is connected to the diaphragm cover 300, the sealing ribs 221 are sandwiched between the elastic membrane 200 and the diaphragm cover 300 to fill the gap therebetween, thereby blocking the liquid from flowing into the pumping air chamber 400 from the gap therebetween. Specifically, referring to fig. 3, the diaphragm cover 300 of the breast pump as shown is provided with a cover body 320 and an inserting portion 310 protruding from the cover body 320, in use of the breast pump, the inserting portion 310 is inserted into the main body 220, so that the connecting area of the diaphragm cover 300 and the elastic membrane 200 is enlarged by the inserting portion 310, the connection between the diaphragm cover 300 and the elastic membrane 200 is more stable, the connection between the diaphragm cover 300 and the elastic membrane 200 is prevented from loosening during operation of the breast pump, and the connection stability of the elastic membrane 200 and the diaphragm cover 300 is improved, and liquid is prevented from entering the pumping air cavity 400.

Referring to fig. 3 to 5, further, in an embodiment, the inner cavity of the main body 220 is cylindrical, and the distribution direction of the sealing ribs 221 is parallel to the axial direction of the inner cavity of the main body 220. Referring to fig. 4, a plurality of annular sealing beads 221 are distributed in the main body 220, and referring to fig. 5, a plurality of sealing beads 221 are distributed at intervals on the same cross section of the elastic membrane 200, and the plurality of sealing beads 221 are provided in the gap between the elastic membrane 200 and the diaphragm cover 300, so that the sealing beads 221 can block the flow of liquid into the suction air chamber 400 when the liquid passes through the periphery of the gap.

Further, referring to fig. 5, the annular protrusion 211 of the sealing flange 210 may also be disposed on a surface of one side facing away from the diaphragm cover 300, so that when the volume of the pumping air chamber 400 is reduced, a negative pressure is formed in the negative pressure chamber enclosed by the milk bowl 100, the elastic membrane 200, the speaker cover and the user's breast, and the speaker cover presses the user's breast, so as to achieve the purpose of pumping milk. Thus, the annular protrusion 211 is clamped between the elastic membrane 200 and the diaphragm mounting shell 110, so that the connection tightness of the elastic membrane 200 and the diaphragm mounting shell 110 is enhanced, the air tightness of the negative pressure cavity is improved, and the suction effect of the breast pump is ensured.

Referring to fig. 4 and 8, in an embodiment, the main body 220 is in a groove shape, the sealing protruding strips 221 are disposed near the notch of the main body 220, wherein the pumping air chamber 400 is limited between the main body 220 and the diaphragm cover 300, so that the notch of the main body 220 and the diaphragm cover 300 are hermetically connected, and the notch of the main body 220 has a function of blocking the liquid from entering, thereby improving the air tightness of the pumping air chamber 400 to a certain extent.

Based on the above embodiment, referring to fig. 2 and fig. 6 in combination, in one embodiment, the bottom wall of the main body 220 is provided with a bottom wall, the bottom wall is concavely arranged toward the groove of the main body 220, and the bottom wall forms a avoidance protrusion 240 inside the groove of the main body 220; the bottom wall forms a space for avoiding the flow of the liquid from the outside of the body 220. When the elastic membrane 200 is mounted on the breast pump, the bottom wall of the main body 220 is disposed corresponding to the nipple tunnel port, so the avoiding convex portion 240 provides an avoiding space for avoiding the nipple of the user, so as to promote the user's feeling, and make the user more comfortable when using the breast pump. To further enhance the user's feeling of use, the bottom wall recessed into the main body 220 is configured in a hemispherical shape to adapt to the user's nipple curvature.

In an embodiment, the elastic membrane 200 is made of silica gel, and the elastic membrane 200 may be made of medical rubber, soft rubber, or the like.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. An elastic membrane is used for a breast pump and is characterized by comprising a groove-shaped main body part, wherein the main body part is provided with at least two sealing convex strips which are distributed at intervals along the depth direction of the main body part, the sealing convex strips are arranged on the inner peripheral side of the main body part, and the sealing convex strips are clamped between the main body part and a diaphragm cover of the breast pump.

2. The elastic membrane of claim 1, wherein a sealing cuff is attached to an end of the body portion, the sealing cuff and the sealing rib being disposed on different sides of the body portion.

3. The elastic membrane of claim 2, wherein the sealing cuff is provided protruding on the outer peripheral side of the main body portion.

4. The elastic membrane of claim 2 wherein said sealing cuff is annular;

and/or the sealing convex strip is annular.

5. The elastic membrane of claim 2, wherein the end face of the sealing cuff is provided with a ring protrusion, which is provided on the side of the sealing cuff facing the groove bottom wall of the main body portion.

6. The elastic membrane of claim 1, wherein the inner cavity of the main body is columnar, and the distribution direction of the sealing convex strips is parallel to the axial direction of the inner cavity of the main body.

7. The elastomeric film of claim 1, wherein said sealing ribs are disposed adjacent to notches of said body portion.

8. The elastic membrane of claim 7, wherein the bottom wall of the body portion is provided with a bottom wall that is recessed into the groove of the body portion to form the relief space.

9. The elastic membrane of claim 1, wherein the elastic membrane is configured from a silicone rubber.

10. A breast pump comprising an elastic membrane according to any one of claims 1 to 9.