KR101244141B1 - Apparatus for blocking air flow and Breast pump comprising the same - Google Patents

Abstract

The present invention is to block the air of the cylinder side and the air of the milking machine is arranged on the connection tube connecting the inner space and the milking machine of the cylinder provided inside the pressure regulator of the breast pump, the communication with the connecting tube on one side A hemispherical cylinder-side casing having a first engaging portion that can be engaged; A hemispherical milking machine side casing having a second coupling part coupled to communicate with the milking machine or the connecting tube at one side, and coupled with the cylinder-side casing; And an edge is hermetically fixed to the inside of the cylinder side casing and the milking machine side casing to block air from the cylinder side and the air from the milking side, and transmits repetitive pressure toward the cylinder side and the milking machine according to the movement of the cylinder. It relates to an airflow blocking member for a breast pump including a circular blocking film of a flexible material and a breast pump having the same. According to the present invention, the air on the cylinder side and the air on the milking machine side can be blocked by the airflow blocking member provided to prevent foreign substances and bacteria, etc., which may be generated on the cylinder side from being mixed with the air on the milking machine side, and thus hygienic milking is possible. And it can prevent the backflow of breast milk and it is easy to wash because it is easy to separate.

Description

Airflow blocker for breast pump and breast pump with same {Apparatus for blocking air flow and Breast pump comprising the same}

The present invention relates to an airflow blocking member and a breast pump including the same, and relates to an airflow blocking member disposed on a connection tube of the breast pump and a breast pump having the same.

Various breast pumps have been developed to solve problems such as breastfeeding or breast inflammation caused by breast milk remaining in the breast after breastfeeding infants. Recently, an automatic breast milking machine which automatically sucks breast milk using a vacuum pump is widely used, and a piston pump and a diaphragm vacuum pump are mainly adopted.

1 is a cross-sectional view showing a conventional automatic breast pump (see Patent No. 0977110). Referring to FIG. 1, a conventional breast pump includes a milking machine 10, a vacuum pump 20, and a connecting tube 30. The milking machine 10 again includes a milking funnel 11, a connecting member 12, an expansion tube 13, and a milking storage container 14. The milking funnel 11 has a fallopian tube shape and has a wide end and a narrow other end in contact with the breast B. The milk storage container 14 receives and stores the breast milk M milked by the pressure of the vacuum pump 20 from the expansion pipe 130.

The piston type vacuum pump 20 uses lubricating oil such as grease to reduce friction between the cylinder and the piston. However, according to a recent study, there is a concern that various foreign substances generated by friction between the cylinder and the piston, evaporated grease, bacteria propagated by breast milk flowing back toward the piston, and the like are introduced into the milking machine 10 through the connecting tube 30. have.

In order to prevent this, a filter may be used in the connection tube 30 connecting the vacuum pump 20 and the milking machine 10 to each other, but the filter is a consumable that has a gradual drop in filtration efficiency and the vacuum pump 20 and There is a problem that does not completely block between the milking machine 10, and consumers remove and use the filter to save the filter purchase cost.

It is an object of the present invention to provide a breast pump blocking member and a breast pump having the same for blocking the air of the cylinder side and the air of the breast pump provided inside the pressure regulator of the breast pump.

In order to achieve the above object, the airflow blocking member for the breast pump according to the embodiment of the present invention is disposed on a connection tube connecting the inner space of the cylinder and the milking machine provided inside the pressure regulator of the breast pump to the air of the cylinder side And a hemispherical cylinder side casing having a first coupling part coupled to communicate with the connection tube on one side to block air from the milking machine side; A hemispherical milking machine side casing having a second coupling part coupled to communicate with the milking machine or the connecting tube at one side, and coupled with the cylinder-side casing; And an edge is hermetically fixed to the inside of the cylinder side casing and the milking machine side casing to block air from the cylinder side and the air from the milking side, and transmits repetitive pressure toward the cylinder side and the milking machine according to the movement of the cylinder. It includes a circular barrier of flexible material.

Here, the first coupling portion and the second coupling portion are circular cross-sections are interpolated and coupled to the connecting tube or the milking machine by the press-fitting, the cross-sectional diameter of the first coupling portion and the cross-sectional diameter of the second coupling portion may be different from each other. have.

In addition, the first coupling portion is a circular cross section, the insertion tube and the intermittent coupling by the press-fit, the second coupling portion is a circular cross section, a screw thread may be formed on the outer circumferential surface to be screwed with the milking machine.

Further, the blocking film may be arranged to have a restoring force that is in close contact with either one of the cylinder side casing and the milking machine side casing when the pressure of the pressure regulating device is released.

In addition, the cylinder-side casing and the milking machine-side casing have different diameters, and a plurality of C-shaped coupling grooves are formed on the inner circumferential surface of the casing having a larger diameter, and the coupling is formed on the outer circumferential surface of the casing having a smaller diameter. A plurality of? -Shaped coupling protrusions are inserted into the grooves, and the coupling protrusions may be pressure-coupled while sliding in the coupling grooves.

Further, the barrier film is bent the edge to form a circular insertion groove, the outer peripheral surface of the casing having a smaller diameter is provided with a circular insertion protrusion to be inserted into the insertion groove, the coupling projection is in the coupling groove When the pressure is coupled while sliding, the insertion protrusion may be fixed by pressing the insertion groove.

In addition, the breast pump according to the embodiment of the present invention is a fallopian tube shape having a wide end and a narrow other end in contact with the breast, and one end is disposed in the rear so as to communicate with the other end of the milking funnel with one end is inclined upward and upward A short pipe-shaped connecting member, a short pipe-shaped expansion tube disposed at a rear lower side of the milking funnel to communicate with the other end of the milking funnel and the connecting member, and milking storage for receiving and storing milked breast milk from the expansion pipe. A milking machine comprising a container; A pressure regulating device including a piston and a cylinder configured to control air pressure for milking the inside thereof; A connection tube connecting the cylinder and the connection member so that the cylinder internal space communicates with the connection member; And an airflow blocking member disposed on the connecting tube connecting the inner space of the cylinder and the milking machine to each other to block the air from the cylinder side and the air from the milking machine, wherein the airflow blocking member is connected to the connecting tube at one side. Hemispherical cylinder-side casing having a first coupling portion that can be coupled to communicate, and a hemispherical milking machine having a second coupling portion that can be coupled to communicate with the connecting member or the connecting tube on one side, and is coupled to the cylinder-side casing An edge is hermetically fixed to the inner side of the cylinder side casing and the milking machine side casing so as to block the side casing, and the air from the cylinder side and the air from the milking machine side, and repetitively toward the cylinder side and the milking machine according to the movement of the cylinder. A circular barrier is made of a flexible material that delivers phosphorus pressure.

Here, the cylinder is provided with a vent hole (vent hole), and further provided with an intermittent member of a flexible material fixed to the outside of the cylinder to open and close the vent hole, when the piston compresses the air in the cylinder The intermittent member may open the vent hole, and the intermittent member may close the vent hole when the piston expands air in the cylinder.

Further, when the connecting member is in the shape of a pipe and the second coupling portion has a circular cross section and a thread is formed on the outer circumferential surface thereof, the outer circumferential surface has a circular cross section so as to be able to interpolate with the connecting member, and the second coupling portion is formed on the inside thereof. It may further include a threaded insert to be engageable.

In addition, the insert may be coupled to the connection member by ultrasonic welding.

Furthermore, the pressure regulating device may further include a contamination check window made of a transparent material on one side or the bottom of the connecting tube so as to check the internal contamination of the connecting tube at a position where the connecting tube is fixedly disposed.

According to the breast stream blocking member for the breast pump and the breast pump provided with the same according to an embodiment of the present invention,

First, the air on the cylinder side and the air on the milking side can be blocked by the airflow blocking member provided to prevent foreign substances and bacteria, etc., which may occur on the cylinder side from being mixed with the air on the milking machine side, so that hygienic milking is possible and the backflow of breast milk is possible. It can be prevented and easy to wash because it is easy to remove.

Second, the two coupling parts provided in the cylinder side casing and the milking machine side casing can be easily installed in the existing breast pump.

Third, the diameter of each coupling portion may be different, or a position of inserting a thread by inserting a portion of the coupling portion may be identified.

Fourth, the blocking film has a restoring force that is in close contact with either the cylinder side casing or the milking machine side casing when the pressure regulating device releases the pressure, thereby maximizing the volume inside the airflow blocking member and minimizing the size of the airflow blocking member. .

Fifth, by forming a plurality of coupling grooves and coupling protrusions in the cylinder-side casing and the milking machine-side casing, respectively, can be pressure-coupled to each other.

Sixth, the insertion groove is formed in the blocking film, and the insertion protrusion is provided on the outer circumferential surface of some casing so that the insertion protrusion pressurizes the insertion groove so that the blocking film may be hermetically fixed.

Seventh, by forming a vent hole in the cylinder and having an intermittent member made of a flexible material, it is possible to reduce the pressure load that can be increased by the blocking film of the airflow blocking member.

Eighth, the outer circumferential surface has a circular cross section, and can be interpolated with the existing connecting member through an insert in which a thread is formed to be coupled with the second coupling part inside.

Ninth, there is an effect that can check the internal contamination of the connection tube by having a contamination confirmation window of a transparent material on one side or the bottom of the pressure regulator is a position that is fixed to the connection tube inside.

1 is a cross-sectional view showing a conventional automatic breast pump.
2 is a partially exploded perspective view illustrating a breast pump according to an exemplary embodiment of the present invention.
3 is an exploded perspective view of the airflow blocking member illustrated in FIG. 2.
4 is a perspective view of the airflow blocking member shown in FIG.
5 is a perspective view showing another embodiment of the airflow blocking member.
6 is a perspective view and an exploded perspective view of the piston and the cylinder shown in FIG.
7 is an exploded perspective view and a perspective view showing that the insert is coupled to the breast pump of FIG.
8 is a bottom perspective view of the pressure regulating device having a contamination check window.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Note that, in the drawings, the same components are denoted by the same reference symbols as possible. Further, the detailed description of known functions and configurations that may obscure the gist of the present invention will be omitted. For the same reason, some of the components in the drawings are exaggerated, omitted, or schematically illustrated.

2 is a partially exploded perspective view showing a breast pump according to an exemplary embodiment of the present invention, FIG. 3 is an exploded perspective view of the airflow blocking member shown in FIG. 2, FIG. 4 is a perspective view of the airflow blocking member shown in FIG. A perspective view showing another embodiment of the airflow blocking member.

2, the breast pump BP according to the embodiment of the present invention includes a milking machine 100, a pressure regulating device 200, a connecting tube 300 and an airflow blocking member 400.

The milking machine 100 again includes a milking funnel 110, a connecting member 120, an expansion tube 130, and a milking storage container 140.

The milking funnel 110 has a wide end and a narrow end in contact with the breast B as a fallopian tube shape, and one end is inclined upwardly in front of the breast B to facilitate contact with the breast B.

The connecting member 120 is arranged in the rear so as to communicate with the other end of the milking funnel 110 as a short pipe shape. The expansion tube 130 is also arranged in the rear lower side of the milking funnel 110 to communicate with the other end of the milking funnel 110 and the connection member 120 as a short pipe shape. The milking storage container 140 is a container for receiving and storing the milked mother milk M from the expansion tube 130.

On the other hand, the pressure regulator 200 is provided with a piston 210 and a cylinder 220 to adjust the air pressure for the milking inside. In FIG. 2, a perspective view of an exploded portion of the pressure regulator 200 is shown to show the piston 210 and the cylinder 220 provided inside the pressure regulator 200. Of course, the pressure regulator 200 includes a substrate and a motor for operating the piston 210 inside the cylinder 220.

In addition, the connection tube 300 connects the cylinder 220 and the connection member 120 such that the inner space of the cylinder 220 and the connection member 120 communicate with each other. More specifically, the connection tube 300 may be provided by separately connecting the connection tube 300 inside the pressure control device 200 and the connection tube 300 outside the pressure control device 200 as necessary to connect them. .

Next, referring to FIGS. 3 and 4, the airflow blocking member 400 is disposed on the connection tube 300 connecting the inner space of the cylinder 220 and the milking machine 100 to each other, thereby providing air toward the cylinder 220. To block the air to the milking machine (100).

More specifically, the airflow blocking member 400 includes a cylinder side casing 410, an milking machine side casing 420, and a blocking membrane 430.

The cylinder-side casing 410 has a hemispherical shape and has a first coupling part 411 that can be coupled to communicate with the connection tube 300 on one side.

The milking machine side casing 420 also has a hemispherical shape that can be coupled to the cylinder side casing 410 and has a second coupling part 421 that can be coupled to communicate with the connecting member 120 or the connecting tube 300 of the milking machine 100 on one side. Equipped.

Of course, the cylinder side casing 410 and the milking machine side casing 420 are not meant to be complete hemispheres, but include both approximately hemispherical shapes to the extent that space is formed therein. Thus, the first coupling part 411 of the cylinder side casing 410 and the two coupling parts 411 and the second coupling part 421 provided in the milking machine side casing 420 can be easily installed in the existing breast pump. Is possible.

On the other hand, as shown in Figure 4, the first coupling portion 411 is a circular cross-section, the insertion tube is interpolated by press-fitting, the second coupling portion 421 is a circular cross section, the milking machine ( A thread 421a may be formed on an outer circumferential surface to be screwed to the connection member 120 of the 100.

In addition, as shown in FIG. 5, the first coupling part 411 and the second coupling part 421 have a circular cross section and are interpolated by press fitting with the connection member 120 of the connection tube 300 or the milking machine 100. Coupled, the cross-sectional diameter of the first coupling portion 411 and the cross-sectional diameter of the second coupling portion 421 may be different from each other.

In this way, the diameter of each of the first coupling portion 411 and the second coupling portion 421 is different, or by inserting a thread 421a in a portion of the first coupling portion 411 and the second coupling portion 421. Location can be identified.

Next, the blocking membrane 430 is a circular membrane, and the edge is sealed inside the cylinder-side casing 410 and the milking-side casing 420 so that the air from the cylinder 220 side and the air from the milking machine 100 can be blocked. It is fixed. In addition, the blocking film 430 transmits repetitive pressure toward the cylinder 220 side and the milking machine 100 according to the movement of the cylinder 220. The blocking film 430 is a film of a flexible material, and a silicon material may be used.

At this time, the blocking film 430 may be disposed to have a restoring force in close contact with either one of the cylinder-side casing 410 and the milking machine-side casing 420 when the pressure regulator 200 releases the pressure. Referring to FIG. 3, the blocking film 430 is disposed to have a restoring force toward the milking machine side casing 420. In this way, the blocking film 430 has a restoring force that is in close contact with either one of the cylinder side casing 410 and the milking machine side casing 420 when the pressure of the pressure regulating device 200 is released. Maximize and minimize the size of the airflow blocking member 400.

Furthermore, the cylinder side casing 410 and the milking machine side casing 420 may have different diameters. Referring to FIG. 3, the diameter of the milking machine side casing 420 is greater than the cylinder side casing 410.

At this time, the inner peripheral surface of the milking machine side casing 420 having a larger diameter is formed with a plurality of coupling grooves 422 of the c-shape. Then, the outer peripheral surface of the cylinder-side casing 410 having a smaller diameter is provided with a plurality of-shaped coupling protrusions 412 that can be inserted into the coupling groove 422. That is, the coupling protrusion 412 is pressure coupled while sliding in the coupling groove 422. Incidentally, as shown in FIG. 3, the coupling groove 422 may be inclined at a position where the insertion of the coupling protrusion 412 is started, thereby facilitating insertion and indentation. 3 illustrates a case in which four coupling grooves 422 and four coupling protrusions 412 are formed, and the number thereof is adjustable.

In addition, as shown in FIG. 3, the blocking layer 430 may be bent at an edge thereof to form a circular insertion groove 431. At this time, the outer peripheral surface of the milking machine side casing 420 having a smaller diameter is provided with a circular insertion protrusion 413 to be inserted into the insertion groove 431. That is, when the coupling protrusion 412 is pressure-coupled while sliding in the coupling groove 422, the insertion protrusion 413 pressurizes the insertion groove 431, and as a result, the blocking film 430 may be hermetically fixed.

Figure 6 is a perspective view and an exploded perspective view of the piston and the cylinder shown in Figure 2, Figure 7 is an exploded perspective view and a combined perspective view showing that the insert is coupled to the breast pump of Figure 2, Figure 8 is a pressure regulating device having a contamination confirmation window Bottom perspective view.

6, a vent hole 221 is formed in the cylinder 220, and an intermittent member 222 of a flexible material fixed to the outside of the cylinder 220 to open and close the vent hole 221. It may be further provided. That is, the intermittent member 222 opens the vent hole 221 when the piston 210 compresses the air inside the cylinder 220, and the intermittent member 222 when the piston 210 expands the air inside the cylinder 220. ) Closes the vent hole 221. In FIG. 6B, a fastening protrusion 224 is provided at the center of the intermittent member 222, and a fastening hole 223 is further formed in the cylinder 220 so that the intermittent member 222 is fastened for reference. Is shown. In this way, the vent hole 221 is formed in the cylinder 220 and the insulating member 222 is made of a flexible material, thereby reducing the pressure load that may be increased by the blocking film 430 of the airflow blocking member 400. have.

In addition, when the product is already made, the connecting member 120 of the milking machine 100 is in the shape of a pipe, the second coupling portion 421 of the airflow blocking member 400 is a circular cross section when the thread 421a is formed on the outer peripheral surface There can be. In this case, as shown in FIG. 7, an insert having an outer circumferential surface having a circular cross section so as to be interposable with the connecting member 120 and having a thread 151 formed therein to be coupled with the second coupling part 421 therein ( 150) may be further included. Insert 150 may be integrally coupled with the connection member 120 by ultrasonic welding. As such, the outer circumferential surface may have a circular cross section, and may be interposable with the existing connection member 120 through the insert 150 in which the thread 151 is formed to be coupled to the second coupling part 421 inside. .

In addition, referring to Figure 8, the pressure adjusting device 200 is a contamination confirmation window of a transparent material on one side or the bottom to check the internal contamination of the connection tube 300 at a position where the connection tube 300 is fixedly disposed inside 230 may be provided. The shape of the pressure regulating device 200 is a rectangular shape shown in Figure 2, but the circular shape shown in Figure 8 may be any of various embodiments. In this way, the contamination check window 230 of a transparent material on one side or the bottom of the pressure regulating device 200 can check the internal contamination of the connection tube (300).

Thus, according to the present invention, the air and the milking machine on the cylinder 220 side by the air flow blocking member 400 provided to prevent the foreign matter and bacteria, etc. that can be generated on the cylinder 220 side to be mixed in the air of the milking machine 100 side Can block the air of the (100) side is hygienic milking is possible and can prevent the backflow of breast milk, easy to separate and easy to wash.

It should be noted that the embodiments of the present invention disclosed in the present specification and drawings are only illustrative of the present invention in order to facilitate the understanding of the present invention and are not intended to limit the scope of the present invention. It will be apparent to those skilled in the art that other modifications based on the technical idea of the present invention are possible in addition to the embodiments disclosed herein.

100 ... milking machine 110 ... milking funnel
120 ... Connector 130 ... Expansion tube
140 Milking reservoir 150 Insert
200 ... pressure regulator 210 ... piston
220 ... cylinder 300 ... connection tube
400.Air blocking member 410 ... Cylinder side casing
420 Milking machine side casing 430

Claims (11)

Is disposed on the inner space of the cylinder provided inside the pressure regulator of the breast pump and the connecting tube connecting the milking machine to block the air on the cylinder side and the air on the milking machine side,
A hemispherical cylinder-side casing having a first coupling part coupled to communicate with the connection tube at one side;
A hemispherical milking machine side casing having a second coupling part coupled to communicate with the milking machine or the connecting tube at one side, and coupled with the cylinder-side casing; And
An edge is hermetically fixed inside the cylinder side casing and the milking machine side casing to block air from the cylinder side and the air from the milking machine side, and transmits repetitive pressure toward the cylinder side and the milking machine according to the movement of the cylinder. An airflow blocking member for a breast pump including a circular blocking film made of a flexible material. The method according to claim 1,
The first coupling portion and the second coupling portion are circular in cross section and are interpolated and coupled by press fitting with the connecting tube or the milking machine,
The cross-sectional diameter of the first coupling portion and the cross-sectional diameter of the second coupling portion is different from each other. The method according to claim 1,
The first coupling portion has a circular cross section and is interpolated with the connecting tube by indentation.
The second coupling portion is a circular cross section, the airflow blocking member for the breast pump, characterized in that the thread is formed on the outer peripheral surface to be screwed with the milking machine. The method according to claim 1,
The blocking layer
The airflow blocking member for the breast pump, characterized in that it is disposed to have a restoring force in close contact with either one of the cylinder side casing and the milking machine side casing when the pressure is released from the pressure regulating device. The method according to claim 1,
The cylinder side casing and the milking machine side casing,
A plurality of C-shaped coupling grooves are formed on the inner circumferential surface of the casing having a different diameter and have a larger diameter, and a plurality of? -Shaped coupling protrusions are inserted into the coupling groove on the outer circumferential surface of the casing having a smaller diameter. ,
The coupling projection air flow blocking member for the breast pump, characterized in that the pressure coupling coupled to the coupling groove. The method according to claim 5,
The barrier layer is bent the edge to form a circular insertion groove,
The outer peripheral surface of the casing having a smaller diameter is provided with a circular insertion protrusion to be inserted into the insertion groove,
When the coupling protrusion is coupled to the sliding groove while the pressure is coupled, the air flow blocking member for the breast pump, characterized in that the insertion protrusion is pressurized and fixed to the insertion groove. A milking funnel having a wide end and a narrow other end in contact with the breast as a fallopian tube shape, one end of which is disposed to be inclined upward and forward, a short tube-shaped connecting member disposed rearward to communicate with the other end of the milking funnel, and the milking funnel A milking machine including an end pipe-shaped expansion pipe disposed at a rear lower side of the milking funnel to communicate with the other end of the milking funnel and the milking storage container for receiving and storing milked milk from the expansion pipe;
A pressure regulating device including a piston and a cylinder configured to control air pressure for milking the inside thereof;
A connection tube connecting the cylinder and the connection member so that the cylinder internal space communicates with the connection member; And
It is disposed on the connecting tube connecting the inner space and the milking machine with each other, including an airflow blocking member for blocking the air on the cylinder side and the air on the milking machine side,
The airflow blocking member,
A cylinder-shaped casing having a hemispherical shape having a first coupling portion coupled to communicate with the connection tube on one side, and a second coupling portion coupled to communicate with the connection member or the connection tube on one side, The hemispherical side of the milking machine side casing which can be combined, and the cylinder side casing and the inside of the milking machine side casing are sealed and fixed to block the air of the cylinder side and the air of the milking machine side, and according to the movement of the cylinder A breast pump comprising a circular barrier film made of a flexible material that transmits repetitive pressure to the cylinder side and to the milking machine. The method of claim 7,
Vent holes are formed in the cylinder,
Further provided with an intermittent member of a flexible material fixed to the outside of the cylinder to open and close the vent hole,
And the intermittent member opens the vent hole when the piston compresses the air in the cylinder, and the intermittent member closes the vent hole when the piston expands the air in the cylinder. The method of claim 7,
When the connecting member is in the shape of a pipe, and the second coupling portion has a circular cross section and a thread is formed on the outer circumferential surface thereof,
And an insert having an outer circumferential surface having a circular cross section so as to be interposable with the connecting member and having an insert threaded therein so as to be engageable with the second coupling portion. The method according to claim 9,
The insert is breast pump, characterized in that coupled to the connection member by ultrasonic welding. The method of claim 7,
The pressure regulator,
The breast pump according to claim 1, further comprising a contamination check window made of a transparent material on one side or the bottom of the connecting tube so as to check the internal contamination of the connecting tube at a position fixedly disposed therein.

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