CN107497006B

CN107497006B - Horizontal breast pump

Info

Publication number: CN107497006B
Application number: CN201710898829.1A
Authority: CN
Inventors: 王新乐; 孙永红; 丁德泽; 涂燕平
Original assignee: Qingdao Huangdao District Central Hospital
Current assignee: Qingdao Huangdao District Central Hospital
Priority date: 2017-09-28
Filing date: 2017-09-28
Publication date: 2020-01-10
Anticipated expiration: 2037-09-28
Also published as: CN107497006A

Abstract

The invention provides a button-controlled horizontal breast pump, which comprises: the rear cover, the silica gel diaphragm, the breast collecting cover tee joint, the horn cover, the milk bottle, the plug valve, the negative pressure pump and the control circuit can enable a breast-feeding person to suck milk in a standing, sitting and lying state, and enable the milk to flow or be sucked into the milk bottle for storage without milk waste, so that the problem that the breast-feeding person with abdominal pain cannot lie on the milk bottle without milk waste is solved, the milk sucking mode is switched through rotation of the plug valve, pressure difference is generated or disappears inside and outside the siphon pipe, and the milk in the horn cover flows into the milk bottle or is sucked into the milk bottle.

Description

Horizontal breast pump

Technical Field

The invention relates to the technical field of breast pumps, in particular to a horizontal breast pump.

Background

With the continuous development of society, the living standard of people is also continuously improved. The breast pumps sold on the market today have the following problems: the first is that the traditional breast pump, milk is sucked out of nipple by negative pressure and then is retained in the horn cover, flows into the breast collecting cover tee joint along the slope of the horn cover under the action of gravity, the user can only use the breast pump when standing or sitting, for the puerpera who has just performed cesarean section and has no recovery and pain, the lying-in woman sits or stands very inconveniently, the breast pump is used when lying, the milk is retained in the lowest horn cover and cannot flow upwards to the breast collecting cover tee joint in a countercurrent way, and the sucked colostrum has to be wasted; when the horn cover of the second conventional breast pump is not in close contact with the breast, the milk sucked out can be lost from the gap and soak clothes.

Disclosure of Invention

The invention aims to solve the problem that the breast pump cannot be used when a user is in a prone position, and provides the horizontal breast pump which has a simple structure and a reasonable design and avoids the defect that milk cannot flow back into the milk bottle when the user uses the breast pump in the prone position in a manner of isolating the sucked milk and siphoning.

The embodiment of the invention provides a horizontal breast pump, which comprises: a rear cover, a silica gel diaphragm, a breast collecting cover tee joint, a horn cover, a feeding bottle, a plug valve, a negative pressure pump and a control circuit,

furthermore, a bottom pipe orifice of the breast collecting cover tee joint is screwed on the bottle opening of the feeding bottle, a cylindrical pipe orifice is arranged on the outer side of a left side through orifice at the upper part of the breast collecting cover tee joint, a through hole is arranged on the upper cylinder wall of the cylindrical pipe orifice, an arc-shaped groove extends inwards from the through hole, and the concave surface of the arc-shaped groove faces the cylindrical pipe orifice;

furthermore, the plug valve is embedded in the arc-shaped groove, the upper part of the plug valve is provided with an L-shaped communicating pipe for communicating the top surface and the side surface of the plug valve, the lower part of the plug valve is also provided with a cavity for communicating the bottom surface and the side surface of the plug valve, and the opening directions of the L-shaped communicating pipe and the cavity on the side surface of the plug valve are opposite;

furthermore, a partition plate is arranged in the middle of the breast collecting cover tee joint, the left side of the partition plate is connected with the arc-shaped groove back cambered surface and forms a milk cavity with the cylindrical pipe orifice, the lower part of the left side of the partition plate forms a milk channel with the arc-shaped groove and the neck of the breast collecting cover tee joint, a silica gel diaphragm is arranged on the right side of the partition plate, and a tongue at the bottom of the silica gel diaphragm is clamped in the tongue groove at the lower part of the partition; the tongue integrated into one piece of silica gel diaphragm and its bottom should collect lid behind brassiere tee bend right flank joint, and the bottom of lid is provided with the notch behind this, and this notch passes through vacuum pipe with the negative pressure pump and is connected, negative pressure chamber is constituteed to baffle, silica gel diaphragm, back lid, and the baffle still forms siphon chamber between and the silica gel diaphragm, and the baffle lower part is equipped with the intercommunicating pore, passes baffle upper portion and extends the siphon to the barrel-shaped pipe mouth side.

Preferably, the cylindrical nozzle is further connected with a horn cover, the conical surface of the horn cover is provided with an annular flange, and the nipple is inwards embedded on the annular flange.

Preferably, the plug valve is cylindrical, and the bottom of the plug valve is a frustum.

Preferably, the plug valve is in interference fit with the through hole.

Preferably, the siphon is located beside the arc-shaped groove.

Preferably, the partition board is connected with the outer edge of the circumference of the inner side of the cylindrical pipe orifice, and a through hole is formed in the slope surface of the lower part of the partition board.

Preferably, the lower part of the arc-shaped groove penetrates through a through hole on the slope surface of the partition plate, and is integrally formed with the partition plate and the neck of the bra tee joint.

Preferably, the negative pressure pump is composed of an electric air pump, an electromagnetic air valve and a control circuit.

The horizontal breast pump provided by the embodiment of the invention can enable a breast-feeding person to suck out milk in a standing, sitting and lying state, and enable the milk to flow or be sucked into the milk bottle for storage, so that the milk is not wasted, and the problem that the breast pump cannot be used for a person with abdominal pain but the milk is not wasted is solved.

According to the horizontal breast pump provided by the embodiment of the invention, the milk sucking mode is switched by rotating the plug valve, so that the pressure difference is generated inside and outside the siphon tube or disappears, and the milk in the horn cover flows into the milk bottle or is sucked into the milk bottle.

Drawings

Fig. 1 is an exploded view of a horizontal breast pump according to the present invention.

Fig. 2 is a schematic view of an assembly structure of the horizontal breast pump in vertical milk suction.

Fig. 3 is a schematic view of an assembly structure of the horizontal breast pump for horizontal breast pumping.

Fig. 4 is a top view a and a bottom view b of a partition plate of a horizontal breast pump according to the present invention.

FIG. 5 is a schematic block diagram of a negative pressure pump control circuit of the horizontal breast pump provided by the invention.

Fig. 6 is a schematic circuit diagram of fig. 5.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1, which is an exploded schematic view of the horizontal breast pump provided by the present invention, the horizontal breast pump of the present invention includes:

the nursing cover comprises a rear cover 2, a silica gel diaphragm 3, a breast collecting cover tee joint 4, a horn cover 5, a nursing bottle 6, a plug valve 7, a negative pressure pump 8 and a control circuit 26, wherein a bottom pipe orifice of the breast collecting cover tee joint 4 is screwed on the bottle opening of the nursing bottle 6, a cylindrical pipe orifice 45 is arranged outside a left side through orifice at the upper part of the breast collecting cover tee joint 4, the horn cover 5 is arranged in the cylindrical pipe orifice, an annular flange 521 is arranged on the conical surface of the horn cover 5, and a nipple 511 is inwards embedded on the annular flange 521;

the upper wall of the cylindrical pipe orifice 45 is provided with a through hole 42, the lower part of the through hole 42 is connected with the upper end of an arc groove 44, the concave surface of the arc groove 44 faces the cylindrical pipe orifice 45, the back arc surface of the arc groove 44 is connected with a clapboard 43, the clapboard 43 is arranged in the middle of the breast-collecting cover tee joint 4, the right side of the clapboard 43 is provided with the silica gel diaphragm 3, the tongue at the bottom of the silica gel diaphragm 3 is clamped in the tongue groove 46 at the lower part of the clapboard 43, the silica gel diaphragm 3 and the tongue 31 at the bottom are integrally formed, the right side surface of the breast-collecting three-way 4 is clamped with the rear cover 2, the bottom of the rear cover 2 is provided with a notch 21, the notch is connected with a negative pressure pump 8 through a vacuum air pipe, the partition plate 43 divides the brassiere-collecting tee joint 4 into a milk cavity which is formed by the upper part of the left side of the partition plate 43 and the cylindrical pipe orifice 45, a milk channel which is formed by the neck part of the brassiere-collecting tee joint 4 and the lower part of the left side of the partition plate 43, and a negative pressure cavity which is formed by the partition plate 43, the silica gel diaphragm 3 and the rear cover 2; a siphon cavity is formed between the silica gel diaphragm 3 and the partition plate 43, the lower part of the arc-shaped groove 44 penetrates through the slope 47 of the partition plate 43 to be integrally formed with the neck part of the bra tee joint 4 and the lower part of the partition plate 43, a communicating hole 421 is formed in the lower part of the partition plate 43 and used for communicating the negative pressure cavity with the milk cavity and the milk channel, a communicating hole is formed in the upper part of the partition plate beside the arc-shaped groove, and the communicating hole extends out of the siphon tube 41 towards the side of the cylindrical tube opening 45;

plug valve 7 is cylindrical, and the bottom is the frustum, and plug valve 7 upper portion is equipped with L type communicating pipe 72, and plug valve 7 lower part is equipped with intercommunication plug valve 7 side and bottom surface cavity 71, cavity 71 is opposite at 7 side openings of plug valve and L type communicating pipe 72 at 7 side openings of plug valve, plug valve 7 gomphosis in arc 44, plug valve 7 and the through-hole 42 interference fit of cylindric mouth of pipe 45 upper cylinder wall.

Referring to fig. 1-2, when a user stands or sits to suck milk, the trumpet cover 5 is aligned with the breast, the nipple enters the nipple 511, the side opening of the lower cavity 71 of the plug valve 7 is screwed to the side of the cylindrical nozzle 45, and the side opening of the L-shaped communicating pipe 72 is screwed to the arc-shaped groove 44 and is blocked by the arc-shaped groove 44. When the negative pressure pump 8 connected with the bottom notch 21 of the rear cover 2 through the vacuum conduit sucks air, the suction force is generated in the negative pressure cavity to deform the silica gel diaphragm 3, the suction force is generated in the siphon cavity, the siphon cavity is communicated with the milk channel and the milk cavity through the communication hole 421 and the cavity 71 to form negative pressure, milk in the nipple is separated out and stays between the nipple 511 and the nipple, the separated milk is less than the inner side of the nipple 511, and flows into the inner side of the trumpet cover through the hole at the top of the nipple 511 under the action of the suction force, the milk flows through the cylindrical pipe orifice 45 and the neck of the three-way 4 of the milk collecting cover under the action of gravity, and flows into the milk bottle 6 from the gap between the tongue 31 at the bottom of the silica gel diaphragm 3 and the tongue groove 46 of the.

Referring to fig. 1-3, when a user sucks breast in a prone position, the trumpet cover 5 is aligned with the breast, the nipple enters the nipple 511, the side opening of the lower cavity 71 of the plug valve 7 is firstly screwed to the side of the cylindrical pipe orifice 45, and the side opening of the L-shaped communicating pipe 72 is screwed to the arc-shaped groove 44 and is blocked by the arc surface of the arc-shaped groove 44. When the negative pressure pump 8 connected with the bottom notch 21 of the rear cover 2 through the vacuum conduit sucks air, suction force is generated in the negative pressure cavity to deform the silica gel diaphragm 3, suction force is generated in the siphon cavity, the siphon cavity is communicated with the milk channel and the milk cavity through the communication hole 421 and the cavity 71 to form negative pressure, the siphon cavity also generates negative pressure in the siphon tube 41 penetrating through the partition plate 43, milk in the nipple is separated out and is remained between the nipple 511 and the nipple, the separated milk is fully distributed on the inner side of the nipple 511, and then is sucked out and flows into the inner side of the horn cover through the hole at the top of the nipple 511 under the action of suction force, because the nipple 511 is inwards embedded on the annular flange 521, the embedded surface is sealed, the suction force in the siphon tube 41 is the same as the suction force in the milk cavity, the milk can not enter the siphon cavity through the siphon tube 41 in a reverse flow manner, and the milk is accumulated to a certain height in, then the side opening of the cavity 71 at the lower part of the plug valve 7 is screwed to the arc-shaped groove 44 and blocked by the arc surface of the arc-shaped groove 44, the side opening of the L-shaped communicating pipe 72 is screwed to the side of the cylindrical pipe orifice, so that the milk cavity is communicated with the atmosphere, and simultaneously the milk cavity is isolated from the neck of the three-way joint 4 of the milk collecting cover, only the siphon tube 41 penetrates through the partition plate 43 to be communicated with the siphon cavity at the moment, the negative pressure pump 8 continuously pumps the milk, the silica gel diaphragm 3 deforms, suction is generated in the siphon cavity, so that milk accumulated at a certain height in the milk cavity is sucked into the siphon cavity through the siphon tube 41 under the action of atmospheric pressure, and even if the siphon cavity has a small gradient, the milk can flow into the feeding bottle from the gap between the tongue at the.

When the milk level in the milk chamber decreases and cannot go through the siphon 41, the cock valve 7 is rotated 180 degrees again to suck the milk into the milk chamber again and accumulate the level.

Referring to fig. 5, the negative pressure pump 8 is composed of an electric air pump 24, an electromagnetic air valve 25 and a control circuit 26, the electromagnetic air valve is installed on a branch of the vacuum conduit in front of the air inlet of the electric air pump, and the control end of the control circuit 26 is connected with the power ends of the electric air pump 24 and the electromagnetic air valve 25.

The control circuit is composed of a singlechip 30, a power switch circuit 301 of a peripheral electric air pump, a power switch circuit 32 of an electromagnetic air valve, an operation circuit 33 and a power circuit 34, the signal input end of the power switch circuit 301 of the electric air pump is connected with one control signal output end of the single chip microcomputer 30, the signal output end of the power switch circuit 301 of the electric air pump is connected with the power end of the electric air pump 24, the signal input end of the power switch circuit 32 of the electromagnetic air valve is connected with the other control signal output end of the single chip microcomputer 30, the signal output end of the power switch circuit 32 of the electromagnetic air valve is connected with the power end of the electromagnetic air valve 25, the operating circuit 33 is connected with the signal input end of the single chip microcomputer 30, and the power circuit 34 is respectively connected with the single chip microcomputer 30, the power switch circuit 301 of the electric air pump, the power switch circuit 32 of the electromagnetic air valve and the power end of.

Referring to fig. 6, the single chip microcomputer IC1 adopts an integrated circuit with the model number HT48R 065; the power switch circuit of the electric air pump is formed by correspondingly connecting a triode VT1, resistors R1 and R2, a diode D1 and a capacitor C1; the power switch circuit of the electromagnetic gas valve is formed by correspondingly connecting a triode VT2, resistors R3 and R4, a diode D2 and a capacitor C2; the operation circuit is formed by correspondingly connecting a switch button K1, a milk suction frequency enhancement button K2, a milk suction time increase button K3, a milk suction time reduction button K4, a milk suction frequency reduction button K5 and resistors R5-R9; the power supply circuit is formed by correspondingly connecting a voltage-stabilizing integrated circuit IC2 with the model number of 78M05, capacitors C3-C8 and a diode D3; wherein, the signal input end R1 of the power switch circuit of the electric air pump is connected with a control signal output end 1 pin of the singlechip IC1, and the signal output end of the power switch circuit of the electric air pump is connected with the power end of the electric air pump 24; the signal input end R3 of the power supply switch circuit of the electromagnetic air valve is connected with the other control signal output end 23 pin of the singlechip IC1, and the signal output end of the power supply switch circuit of the electromagnetic air valve is connected with the power supply end of the electromagnetic air valve 25; the operation buttons K1-K5 of the operation circuit are respectively connected with the

signal input ends

19, 24, 2, 3 and 4 pins of the singlechip IC 1; the power output end VCC of the power circuit is respectively connected with the power end 20 pin of the singlechip IC1, the power end D1 of the power switch circuit of the electric air pump, the power end D2 of the power switch circuit of the electromagnetic air valve and the power ends R5-R9 of the operating circuit. In addition, the peripheral circuit of the control singlechip IC1 is formed by correspondingly connecting a liquid crystal display circuit IC3 and resistors R10-R13, and display signal input ends 1-13 of the liquid crystal display circuit IC3 are connected with display

signal output ends

18, 14, 15, 16, 17, 6, 7, 8, 9, 10, 11, 12 and 13 of the singlechip IC 1.

In use, the milk suction frequency enhancement button K2, the milk suction time increase button K3, the milk suction time reduction button K4 and the milk suction frequency reduction button K5 are pressed as required, and the interval time between two times of milk suction and the duration time of one time of milk suction are determined; the breast sucking part 4 is sleeved and attached to the breast of the woman; pressing a switch button K1 to start the control circuit 26 of the electric control breast pump, and controlling the electric air pump 24 and the electromagnetic air valve 25 to alternately and circularly work according to the set time interval between the secondary breast pumping and the duration time of the primary breast pumping by the control circuit 26; when the electric air pump 24 is operated, the electromagnetic air valve 25 is closed.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims

1. A horizontal breast pump comprises a rear cover (2), a silica gel diaphragm (3), a breast collecting three-way valve (4), a horn cover (5), a feeding bottle (6), a plug valve (7), a negative pressure pump (8) and a control circuit (26), and is characterized in that:

a bottom pipe orifice of the breast collecting cover tee joint (4) is screwed on a bottle opening of the feeding bottle (6), a cylindrical pipe orifice (45) is arranged on the outer side of a left side through orifice at the upper part of the breast collecting cover tee joint (4), a through hole (42) is formed in the upper cylindrical wall of the cylindrical pipe orifice (45), an arc-shaped groove (44) extends inwards from the through hole (42), and the concave surface of the arc-shaped groove (44) faces towards the cylindrical pipe orifice (45);

the plug valve (7) is embedded in the arc-shaped groove (44), an L-shaped communicating pipe (72) communicating the top surface and the side surface of the plug valve (7) is arranged at the upper part of the plug valve (7), a cavity (71) communicating the bottom surface and the side surface of the plug valve (7) is also arranged at the lower part of the plug valve (7), and the opening directions of the L-shaped communicating pipe (72) and the cavity (71) at the side surface of the plug valve (7) are opposite;

a partition plate (43) is arranged in the middle of the brassiere-collecting tee joint (4), the left side of the partition plate (43) is connected with the arc-shaped back surface of the arc-shaped groove (44) and forms a milk cavity with the cylindrical pipe orifice (45), the lower portion of the left side of the partition plate (43), the arc-shaped groove (44) and the neck of the brassiere-collecting tee joint (4) form a milk channel, a silica gel diaphragm (3) is arranged on the right side of the partition plate (43), and a tongue at the bottom of the silica gel diaphragm (3) is clamped in a tongue groove (46) at the lower portion of; tongue integrated into one piece of silica gel diaphragm (3) and its bottom, lid (2) behind this collection brassiere tee bend (4) right flank joint, the bottom of lid (2) is provided with the notch behind this, and this notch passes through vacuum trachea with negative pressure pump (8) to be connected, negative pressure chamber is constituteed to baffle (43), silica gel diaphragm (3), back lid (2), and baffle (43) still and silica gel diaphragm (3) between form siphon chamber, and baffle (43) lower part is equipped with intercommunicating pore (421), passes baffle (43) upper portion and extends siphon (41) to cylindric mouth of pipe (45) side extension.

2. A horizontal breast pump as set forth in claim 1 wherein: the cylindrical nozzle is also connected with a horn cover (5), an annular flange (521) is arranged on the conical surface of the horn cover (5), and the nipple (511) is inwards embedded on the annular flange (521).

3. A horizontal breast pump as set forth in claim 1 wherein: the plug valve (7) is cylindrical, and the bottom of the plug valve is a frustum.

4. A horizontal breast pump as set forth in claim 1 wherein: the plug valve (7) is in interference fit with the through hole (42).

5. A horizontal breast pump as set forth in claim 1 wherein: the siphon (41) is located beside the arc-shaped groove (44).

6. A horizontal breast pump as set forth in claim 1 wherein: the partition plate (43) is connected with the circumference outer edge of the inner side of the cylindrical pipe orifice, and a through hole is formed in the slope surface of the lower part of the partition plate.

7. A horizontal breast pump as set forth in claim 1 wherein: the lower part of the arc-shaped groove (44) penetrates through a through hole on the slope surface of the partition plate (43), and the partition plate (43) and the neck part of the bra tee joint (4) are integrally formed.

8. A horizontal breast pump as set forth in claim 1 wherein: the negative pressure pump (8) is composed of an electric air pump (24), an electromagnetic air valve (25) and a control circuit (26).