KR200466883Y1 - a back flow prevention device for a breast pumping apparatus - Google Patents

Abstract

Disclosed is a backflow blocker for a milking machine. The disclosed reverse flow blocking device includes an upper cover having a valve support pipe and a first connection portion, a lower cover having a second connection portion, and a lower cover provided with a second connection portion, and installed between the upper cover and the lower cover and provided with a fluid. Blocking the movement of the flexible member and installed inside the valve support pipe, the internal air between the upper cover and the blocking member is discharged to the outside but checks to block the outside air flow into the upper cover It includes a valve member, the suction pressure generated from the milking machine main body is delivered to the feeding cup, characterized in that the breast milk flowing back from the feeding cup to the milking machine main body is blocked.

Description

{A back flow prevention device for a breast pumping apparatus}

The present invention relates to a backflow blocker, and relates to a backflow prevention device for a milking machine that blocks the milking of the milked milk back to the milking machine body when milking milk.

The milking machine for milking breast milk is composed of a milking cup, a hose connecting the milking cup and the milking body, a bottle for storing milk milked through the milking cup, and a milking body generating suction force.

The milking body has a pump for generating suction power for milking breast milk, and when the pump is operated, suction power is transferred to a breastfeeding cup closely attached to the mother's breast through a hose to milk the milk.

However, in the milking machine of the prior art, a phenomenon in which milked milk flows back to the milking body along the hose connected to the feeding cup may occur, and when the milk flows back to the pump, it may cause not only waste of breast milk but also a failure of the pump. There was a problem.

An object of the present invention is to solve the problems of the prior art described above, it is possible to transfer the suction force generated in the milking machine body to the milking cup well and the milking machine backflow blocker that can effectively block the milk flow back from the milking cup to the milking base To provide.

Another object of the present invention is to provide a reverse flow blocker for a milking machine, which is easy to install and detach from a milking machine, which is easy to use and maintain.

In order to achieve the above object, a backflow blocker for a milking machine of the present invention includes an upper cover having a valve support pipe and a first connection portion, a lower cover having a second connection portion, and capable of being combined with and separated from the upper cover. It is installed between the upper cover and the lower cover to block the movement of fluid and is installed in the flexible blocking member and the valve support pipe, the internal air between the upper cover and the blocking member is discharged to the outside, but the external air It includes a check valve member for blocking the flow into the upper cover, the suction pressure generated from the milking machine main body is delivered to the feeding cup, characterized in that the breast milk flows back from the feeding cup to the milking machine main body.

The check valve member may include a base part fixed to the inside of the valve support pipe of the upper cover, a valve body part integrally formed with the base part and movable flexibly according to the pressure of the fluid. A slit is formed in the edge part, and it is preferable to provide inclined surfaces on both sides about the said slit.

The blocking member and the check valve member may be made of silicon, and the upper cover and the lower cover may be made of a transparent material.

First and second mounting holes are formed in the upper cover and the lower cover, and the first and second mounting holes are coupled to form a mounting space into which the edge of the blocking member is inserted.

The upper cover may include a fastening protrusion, and the lower cover may include a holder coupled to and separated from the fastening protrusion.

The milking machine backflow blocker of the present invention can be installed and used in a milking machine that is used because it only needs to be inserted into the hose of the milking machine, and there is an advantage that the mother can easily install and remove it directly.

In addition, the present invention, because the blocking member blocks the passage of the fluid so that breast milk can not flow to the milking machine body, breast milk can not flow back to the milking body at all, and because the blocking member is made of a flexible silicone material to feed the pump pressure It has the advantage of delivering effective to the cup.

In addition, the present invention can combine and separate the upper and lower cover only by the connection and separation of the holder and the fastening protrusion, it is easy to combine and separate at home, there is an advantage of easy maintenance, such as internal cleaning and replacement parts.

1 is a perspective view showing a milking machine equipped with a reverse flow blocker for a milking machine according to an embodiment of the present invention,
Figure 2 is an exploded perspective view of the milking machine backflow blocker according to an embodiment of the present invention,
3 is a cross-sectional view taken along a vertical line passing through the center of the backflow blocking device of FIG.
4 and 5 are cross-sectional views taken along a vertical line passing through the check valve of the backflow blocker of FIG.
4 is a view showing a state in which the pump is operated to milk breast milk (a state in which the suction input is delivered into the backflow blocker);
FIG. 5 is a diagram illustrating a state in which a pump that is in operation is turned off to stop suction power transmission and air inside the backflow blocker is discharged to the outside.

Hereinafter, with reference to the accompanying drawings, a backflow blocker for the milking machine according to an embodiment of the present invention will be described in detail.

1 is a perspective view illustrating a milking machine 10 provided with a milking machine backflow blocker 30 according to an embodiment of the present invention. Referring to FIG. 1, a breastfeeding cup 12 is placed on a mother's chest 13. In close contact with the feeding bottle 12, the feeding bottle 14 is connected. The backflow blocker 30 is directly connected to the feeding cup 12, and the backflow blocker 30 and the milking base 20 are connected through a hose 18. When suction power is generated by a pump (not shown) built in the milking body 20, the suction power is transmitted to the feeding cup 12 through the backflow blocker 30, and the milk milked through the feeding cup 12 is gravity It falls to the bottle 14 mounted in the lower part by this.

2 is an exploded perspective view of the milking machine backflow blocker 30 according to an embodiment of the present invention and Figure 3 is a cross-sectional view taken along a vertical line passing through the center of the backflow blocker of FIG. 2 and 3, the backflow blocking device 30 includes an upper cover 32, a blocking member 40, a lower cover 50, and a check valve member 60.

The upper cover 32 is made of a transparent material, and when combined with the lower cover 50 and the blocking member 40, the first and second internal spaces 35 and 57 are secured. The valve support pipe 36, the first connecting portion 38, the first mounting hole 33 (see FIG. 3) and the plurality of fastening protrusions 34 protrude from one surface of the upper cover 32. The valve support pipe 36 is provided with a check valve member 60 and has an opening 31 penetrating therein (see FIGS. 4 and 5). The first connection portion 38 is coupled through the milking base 20 and the hose 18 shown in FIG. 1 and has an inclined end portion and a stepped shape. Four fastening protrusions 34 protrude on the edge of the upper cover 32, the holder 52 of the lower cover 50 to be described later is coupled. The first mounting hole 33 is formed in a circular shape on the edge of the upper cover 32, and has the same configuration as the second mounting hole 56 of the lower cover 50. The first and second mounting holes 33 and 56 are coupled to form a mounting space 71 into which the edge 42 of the blocking member 40 is inserted and fixed.

The blocking member 40 may be installed and detached between the upper cover 32 and the lower cover 50, and grooves 44 may be formed at both sides of the edge 42 of the blocking member 40, thereby providing a mounting space 71. Tightly fixed). Blocking member 40 is made of a flexible silicone material. As can be seen in the cross-sectional view of Figure 3, the blocking member 40 is configured to be thicker than the central portion.

The lower cover 50 is made of a transparent material and includes a holder 52, a second connecting portion 54, and a second mounting hole 56. Four holders 52 are provided on the outer circumferential surface of the lower cover 50, and an opening 53 is formed to be coupled to and detached from the fastening protrusion 34 of the upper cover 32. The second connecting portion 54 is directly connected to the feeding cup 12 as shown in FIG. The second mounting hole 56 is a circular groove formed by the double edge structure of the lower cover 50, and when coupled with the upper cover 32, the second mounting hole 56 is connected to the first mounting hole 33 to form a mounting space 71. do.

Check valve member 60 is made of a silicon material and referring to Figures 2 and 4, it is fixed to the valve support pipe 36 of the upper cover (32). The check valve member 60 is composed of a base portion 63 and a valve body portion 61. The base portion 63 is a portion fixed to the upper cover 32 and the valve body portion 61 has a pipe shape having an outer diameter equal to the inner diameter of the valve support pipe 36. At the end of the valve body portion 61 is formed a slit 64 through which air can pass, and has an inclined surface 62 on both sides around the slit 64. Since it is made of silicon, the inclined surface moves smoothly under the pressure of air. The check valve member 60 moves air only in one direction. That is, the air in the first inner space 35 between the upper cover 32 and the blocking member 40 is leaked to the outside, but the outside air is prevented from entering the first inner space 35.

With reference to Figures 3 to 5, it will be described the operation of the milking machine backflow blocker 30 according to an embodiment of the present invention described above.

When the milking machine is not normally used, as shown in FIG. 3, there is a first internal space 35 and a second internal space 57 partitioned by the blocking member 40. The first inner space 35 is larger than the second inner space 57. When the pump operates to transfer suction force from the milking unit body 20 (see FIG. 1) to the first internal space 35, as shown in FIG. 4, the flexible silicon blocking member 40 is formed on the inner surface of the upper cover 32. While in close contact with the suction force is transmitted to the second inner space 57 and to the feeding cup 12 (see FIG. 1). At this time, the check valve member 60 is still maintained in close contact with the end of the valve body portion 61 is lifted about the slit 64, as shown in Figure 4 due to the pressure difference with the outside. Therefore, the slit 64 is not opened and external air does not flow.

When the pump is stopped, as shown in FIG. 5, the blocking member 40 returns to its original state while some air in the first internal space 35 is discharged to the outside through the slit 64 of the check valve member 60. do. That is, the pressure of the first inner space 35 is increased and the slit 64 is opened and discharged to the outside.

As described above and illustrated with reference to a preferred embodiment for illustrating the principle of the present invention, the present invention is not limited to the configuration and operation as shown and described. Rather, those skilled in the art will appreciate that many changes and modifications can be made to the present invention without departing from the spirit and scope of the appended claims. Accordingly, all such suitable changes, modifications, and equivalents should be considered to be within the scope of the present invention.

10: milking machine
12: Feeding Cup
14: feeding bottle
20: milking base
30: backflow blocker
32: top cover
36: valve support pipe
40: blocking member
50: lower cover
60: check valve member

Claims (5)

An upper cover having a valve support pipe and a first connection portion;
A lower cover coupled to and detachable from the upper cover and having a second connection portion;
A blocking member which is installed between the upper cover and the lower cover to block the movement of the fluid and is flexible; And
And a check valve member installed inside the valve support pipe and discharging internal air between the upper cover and the blocking member to the outside but preventing external air from entering the upper cover.
The suction pressure generated from the milking machine body is transferred to the feeding cup, and the breast milk flowing back from the feeding cup to the milking machine body is blocked.
The check valve member,
A base part fixed inside the valve support pipe of the upper cover;
It is formed integrally with the base portion and includes a valve body portion that can be moved flexibly according to the pressure of the fluid,
Slit is formed at the end of the valve body portion, and the reverse flow blocker for the milking machine characterized in that it has an inclined surface on both sides around the slit.
delete The method of claim 1,
The blocking member and the check valve member is a silicon material, the upper cover and the lower cover is a reverse flow blocker for a milking equipment, characterized in that composed of a transparent material.
The method of claim 3, wherein
First and second mounting holes are formed in the upper cover and the lower cover, and the first and second mounting holes are combined to form a mounting space into which the edge of the blocking member is inserted. Backflow blocker.
5. The method of claim 4,
The upper cover is provided with a fastening protrusion, the lower cover backflow blocking device for a milking machine characterized in that it comprises a holder coupled to and separated from the fastening protrusion.

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