CN217510902U - Leakage-proof breast pump - Google Patents

Abstract

A leak-proof breast pump comprises a breast pump host, a milk storage bin, a leak-proof horn cover, a negative pressure bin and a one-way valve device, wherein the rear end of the leak-proof horn cover extends into the milk storage bin and is inserted into the negative pressure bin, one end of the negative pressure bin is connected with the breast pump host, the other end of the negative pressure bin penetrates through the milk storage bin and forms a leak-proof cavity with the leak-proof horn cover, one end of the one-way valve device is communicated with the leak-proof cavity, and the other end of the one-way valve device is located in the milk storage bin. The utility model discloses milk can be by the separation during use, plays the effect of leak protection. The sealed effect of storing up milk storehouse is better simultaneously, and is convenient for unpick and wash, and is more practical. And the operation of the negative pressure bin is smoother, the occurrence of the gap is avoided, the sealing property of the equipment is ensured, and the negative pressure effect is improved. The utility model discloses a store up milk storehouse and other devices be swing joint, and be equipped with location structure, dismouting when being convenient for daily use.

Description

Leakage-proof breast pump

Technical Field

The utility model relates to a breast pump, especially a leak protection breast pump belongs to mother and infant articles for use technical field.

Background

A breast pump is a device for expressing breast milk accumulated in a breast, and generally uses vacuum to suck milk out of the breast and store the milk in a feeding bottle, and the milk is taken out when a baby needs to drink the milk.

The suction port of the breast pump is generally matched with a three-way horn cover. However, the three-way trumpet cover generally needs to be attached to the breast of a human body and needs to form a sealed environment together with a negative pressure bin inside the breast pump. Therefore, the three-way horn cover on the market is mostly smooth wall surfaces and is not provided with a blocking structure, so that the milk leakage phenomenon is easy to occur when sucking milk, and the three-way horn cover is not sanitary and causes waste.

Disclosure of Invention

In order to solve the defects, the utility model provides a leak-proof breast pump.

In order to achieve the purpose, the utility model adopts the technical proposal that: a leak-proof breast pump comprises a breast pump host, a milk storage bin, a leak-proof horn cover, a negative pressure bin and a one-way valve device, wherein the rear end of the leak-proof horn cover extends into the milk storage bin and is inserted into the negative pressure bin, one end of the negative pressure bin is connected with the breast pump host, the other end of the negative pressure bin penetrates through the milk storage bin and forms a leak-proof cavity with the leak-proof horn cover, one end of the one-way valve device is communicated with the leak-proof cavity, and the other end of the one-way valve device is located in the milk storage bin.

Preferably, leak protection loudspeaker cover includes loudspeaker cover main part and the piece of blockking of being connected with loudspeaker cover main part, loudspeaker cover main part one end with store up milk storehouse sealing connection, the other end and negative pressure storehouse joint, block be in loudspeaker cover main part and with negative pressure storehouse gap junction, block and form the leak protection cavity between the negative pressure storehouse.

Preferably, leak protection loudspeaker cover still includes sealing strip draw-in groove, loudspeaker cover sealing strip and check valve connector, the sealing strip draw-in groove is located leak protection loudspeaker cover and is stored up milk storehouse sealing connection's one end, and loudspeaker cover sealing strip is in the sealing strip draw-in groove, and the check valve connector is in the other end of leak protection loudspeaker cover and with the check valve device joint.

Preferably, the negative pressure cabin comprises a negative pressure telescopic area and a clamping area connected with the negative pressure telescopic area, and the negative pressure telescopic area is positioned in the clamping area and forms a negative pressure cavity with the breast pump host; the joint district is including the host computer connect the face, store up milk joint face, store up milk butt face and loudspeaker cover draw-in groove, the host computer is connected the face, is stored up milk joint face and is stored up milk butt face and connect gradually, and loudspeaker cover draw-in groove sets up on the joint district, and the host computer is connected the face and is sealed the butt with the breast pump host computer, stores up milk butt face and stores up the sealed butt in milk storehouse, stores up milk joint face and breast pump host computer and will store up milk storehouse clamp dress, loudspeaker cover draw-in groove and leak protection loudspeaker cover joint.

Preferably, the host machine connecting surface and the milk storage abutting surface are respectively provided with a sealing strip, and the negative pressure expansion area is provided with a radial guide groove.

Preferably, the negative pressure cabin further comprises an arc-shaped guide area, and the arc-shaped guide area is located between the negative pressure expansion area and the clamping area.

Preferably, a clamping groove, an abutting piece and an air exhaust hole are formed in the breast pump host, the milk storage bin is clamped between the breast pump host and the negative pressure bin through the clamping groove, the abutting piece is in sealing abutting connection with the negative pressure bin, and the air exhaust hole is communicated with the negative pressure bin.

Preferably, the cross section of the clamping groove is isosceles trapezoid.

Preferably, store up the storehouse of suckleing and include the outlet port, store up milk stopper and connecting piece, the outlet port setting is on storing up the milk storehouse, stores up the milk stopper and is connected with the outlet port, stores up the one end that milk storehouse and breast pump host computer are connected and is equipped with the connecting piece, the one end and the breast pump host computer joint of connecting piece, the other end and the sealed butt in negative pressure storehouse.

Preferably, store up the storehouse of suckleing and still include the location lug, be equipped with the location mouth on the breast pump host computer, the location lug sets up on storing up the storehouse of suckleing and with location mouth joint.

The utility model discloses milk can be by the separation during use, plays the effect of leak protection. The sealed effect of storing up milk storehouse is better simultaneously, and is convenient for unpick and wash, and is more practical. The breast pump can effectively prevent the milk storage bin from falling off, and has simple structure and convenient installation. And, can also control every section space deformation scope in negative pressure storehouse, make it do radial shrinkage, do not take place friction and interference with breast pump host computer inner wall, make its operation more smooth and easy, avoid appearing the condition emergence in gap, ensure equipment leakproofness, improve the negative pressure effect. The utility model discloses a store up milk storehouse and other devices be swing joint, and be equipped with location structure, dismouting when being convenient for daily use. Meanwhile, the milk can be directly poured out after the milk storage is full of milk water by arranging the milk outlet, so that the milk storage is more convenient.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded schematic view of the present invention.

Fig. 3 is a schematic cross-sectional view of the present invention.

Fig. 4 is a cross-sectional schematic view of the leak-proof horn cover.

Fig. 5 is a schematic view of the connection between the leak-proof horn cover and the negative pressure cabin.

Fig. 6 is an enlarged view at B in fig. 5.

Fig. 7 is a schematic structural diagram of the negative pressure cabin.

Fig. 8 is a schematic cross-sectional view of the negative pressure cartridge.

Fig. 9 is an enlarged view of a point a in fig. 3.

Fig. 10 is a schematic cross-sectional view of a breast pump main unit.

Fig. 11 is a schematic sectional view of a milk storage bin.

In the figure: 1-breast pump host; 110-a clamping groove; 120-an abutment; 130-a suction hole; 2-milk storage; 210-a milk outlet; 220-milk storage plug; 230-a connector; 240-positioning bumps; 3-leak-proof horn cover; 310-a horn cover body; 320-a barrier; 330-sealing strip clamping groove; 340-horn cover sealing strip; 350-one-way valve connecting port; 360-a leak-proof cavity; 4-negative pressure cabin; 410-negative pressure expansion zone; 411-negative pressure cavity; 412-radial guide slots; 420-a clamping area; 421-host connectivity plane; 422-milk storage card interface; 423-milk storage abutting surface; 424-horn cover card slot; 425-negative pressure sealing strips; 430-arc guide zone; 5-one-way valve means.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in figures 1-2, a leak-proof breast pump comprises a breast pump host 1, a milk storage bin 2, a leak-proof horn cover 3, a negative pressure bin 4 and a one-way valve device 5, wherein the rear end of the leak-proof horn cover 3 extends into the milk storage bin 2 and is inserted into the negative pressure bin 4, one end of the negative pressure bin 4 is connected with the breast pump host 1, the other end of the negative pressure bin passes through the milk storage bin 2 and forms a leak-proof cavity 360 with the leak-proof horn cover 3, one end of the one-way valve device 5 is communicated with the leak-proof cavity 360, and the other end of the one-way valve device is positioned in the milk storage bin 2. The utility model discloses a set up leak protection loudspeaker cover 3, make it form leak protection cavity 360 with negative pressure storehouse 4, can prevent that the milk from flowing out the breast pump at the in-process of suckling, it is more sanitary.

As shown in fig. 3-5, leak-proof horn cover 3 includes horn cover main body 310 and stops piece 320 with horn cover main body coupling, horn cover main body 310 one end with store up milk storehouse 2 butt, the other end and negative pressure storehouse 4 joint, stop piece 320 be in horn cover main body 310 and with negative pressure storehouse 4 gap junction, stop piece 320 and negative pressure storehouse 4 formation leak-proof cavity 360. In the breast pump, the blocking member 320 is arranged in the horn cover main body 310, and the blocking member is inserted into the negative pressure chamber 4 and is not attached to the negative pressure chamber 4, so that a gap is reserved between the negative pressure chamber 4 and the leak-proof horn cover 3. When the breast pump is used, the front end of the leak-proof horn cover 3 (i.e. one side of the horn cover main body 310) is attached to the breast, milk is sucked out under the action of suction force and blocked by the blocking piece 320, and the leak-proof effect is achieved. Simultaneously, leak protection loudspeaker cover 3 still includes sealing strip draw-in groove 330, loudspeaker cover sealing strip 340 and check valve connector 350, the one end of leak protection loudspeaker cover 3 and storage milk storehouse 2 butt is located to sealing strip draw-in groove 330, and loudspeaker cover sealing strip 340 is in sealing strip draw-in groove 330, and check valve connector 350 is in the other end of leak protection loudspeaker cover 3 and with 5 joints of check valve device. Leak protection horn cover 3 is connected with storage milk storehouse 2 through horn cover sealing strip 340, and sealed effect is better, and is convenient for unpick and wash, and is more practical.

As shown in fig. 3, 6-9, the negative pressure chamber 4 includes a negative pressure expansion region 410 and a clamping region 420 connected to the negative pressure expansion region 410, the negative pressure expansion region 410 is located in the clamping region 420 and forms a negative pressure cavity 411 with the breast pump main unit 1; joint district 420 includes that the host computer connects face 421, stores up milk joint face 422, stores up butt face 423 and loudspeaker cover draw-in groove 424, the host computer connects face 421, stores up milk joint face 422 and stores up milk butt face 423 and connect gradually, and loudspeaker cover draw-in groove 424 sets up on joint district 420. This breast pump's host computer is connected face 421 and the sealed butt of breast pump host computer 1, stores up butt face 423 and the sealed butt of storing up milk storehouse 2, and the host computer is connected face 421 and is stored up butt face 423 and be equipped with negative pressure sealing strip 425 respectively, and the host computer is connected face 421 and is stored up butt face 423 with negative pressure storehouse 4 fixed, prevents that it from appearing deviating when the operation. The milk storage clamping surface 422 and the breast pump host 1 clamp the milk storage bin 2, so that the milk storage bin 2 can be effectively prevented from falling off, and the breast pump host is simple in structure and convenient to install. The horn cover clamping groove 424 is clamped with the leak-proof horn cover 3, so that the leak-proof horn cover 3 is further fixed and more stable. The utility model discloses a, be equipped with radial guide way 412 on the flexible district 410 of negative pressure, when the breast pump operation, form the negative pressure state in the negative pressure cavity 411, the flexible district 410 of negative pressure can produce deformation and suction under the effect of pressure, and every section space deformation scope can be controlled to radial guide way 412, makes negative pressure storehouse 4 be the radial contraction, does not take place friction and interference with 1 inner wall of breast pump host computer, makes its operation more smooth and easy, avoids appearing the condition in gap and takes place, ensures equipment sealing nature, improves the negative pressure effect.

In addition, the negative pressure chamber 4 further comprises an arc-shaped guiding area 430, and the arc-shaped guiding area 430 is located between the negative pressure expansion area 410 and the clamping area 420. When milk is sucked into the leakage-proof cavity 360, the milk can smoothly flow into the milk storage bin 2 through the one-way valve device 5 under the action of the arc-shaped guide area 430.

As shown in fig. 10, a retaining groove 110 and an abutting piece 120 are provided on the breast pump main unit 1, the breast storage chamber 2 is clamped between the breast pump main unit 1 and the negative pressure chamber 4 through the retaining groove 110, and the abutting piece 120 is in sealing abutment with the negative pressure chamber 4. The cross section of screens recess is isosceles trapezoid. The utility model makes the milk storage bin 2 easier to be connected with the breast pump host 1 through the clamping groove 110, and has the positioning function; meanwhile, the clamping groove 110 is in an isosceles trapezoid shape, so that the pressure received by the inclined planes on the two sides of the clamping groove is beneficial to compressing the milk storage bin 2, the inclined planes are convenient to install, and the product experience is improved.

As shown in fig. 11, the milk storage chamber 2 includes a milk outlet 210, a milk storage plug 220 and a connector 230, the milk outlet 210 is disposed on the milk storage chamber 2, the milk storage plug 220 is connected to the milk outlet 210, the connector 230 is disposed at one end of the milk storage chamber 2 connected to the breast pump main unit 1, one end of the connector 230 is connected to the breast pump main unit 1 in a snap-fit manner, and the other end of the connector 230 is in sealing contact with the negative pressure chamber 4. The milk storage bin 2 of the utility model is movably connected with other devices, so that the milk storage bin can be disassembled and washed conveniently in daily use. Meanwhile, the milk outlet 210 is arranged, so that the milk can be directly poured out after the milk storage bin 2 is filled with milk, and the milk storage bin is more convenient to use. In addition, the milk storage bin 2 can be fixedly connected with the breast pump host 1 by arranging the connecting piece 230, and meanwhile, the negative pressure bin 4 can be correctly arranged in the milk storage bin 2.

And, store up milk storehouse 2 and still include location lug 240, be equipped with the location mouth on the breast pump host computer 1, location lug 240 sets up on storing up milk storehouse 2 and with location mouth joint, location when being favorable to the installation, it is more practical.

The utility model discloses a theory of operation: when in use, the milk storage plug 220 is plugged into the milk outlet 210 of the milk storage bin 2, and then the milk storage bin 2 is sleeved on the breast pump host 1, so that the connecting piece 230 is positioned in the clamping groove 110. Then the leak-proof horn cover 3 is clamped into the horn cover clamping groove 424, and the blocking piece 320 extends into the negative pressure bin 4, so that the check valve device 5 is clamped with the leak-proof horn cover 3. Finally, the negative pressure chamber 4 is clamped between the abutting piece 120 and the connecting piece 230, and the installation of the breast pump is completed. During the use, with the breast of leak protection loudspeaker cover 3 laminating, start breast pump host computer 1, take away the air in the negative pressure cavity 411, form negative pressure state in the negative pressure cavity 411 to transmit leak protection loudspeaker cover 3 through negative pressure storehouse 4, milk is taken out thereupon, and in flowing to leak protection cavity 360, flow into through check valve device 5 at last and store milk storehouse 2 and store. When the milk needs to be poured out, the milk storage plug 220 is only required to be detached and poured into other containers.

Claims (10)

1. The leak-proof breast pump is characterized by comprising a breast pump host, a milk storage bin, a leak-proof horn cover, a negative pressure bin and a one-way valve device, wherein the rear end of the leak-proof horn cover extends into the milk storage bin and is inserted into the negative pressure bin, one end of the negative pressure bin is connected with the breast pump host, the other end of the negative pressure bin penetrates through the milk storage bin and forms a leak-proof cavity with the leak-proof horn cover, one end of the one-way valve device is communicated with the leak-proof cavity, and the other end of the one-way valve device is located in the milk storage bin.

2. The leak-proof breast pump as set forth in claim 1, wherein the leak-proof horn cover comprises a horn cover main body and a blocking member connected with the horn cover main body, one end of the horn cover main body is hermetically connected with the milk storage bin, the other end of the horn cover main body is clamped with the negative pressure bin, the blocking member is arranged in the horn cover main body and is in clearance connection with the negative pressure bin, and a leak-proof cavity is formed between the blocking member and the negative pressure bin.

3. The leak-proof breast pump as set forth in claim 2, wherein the leak-proof horn cover further comprises a sealing strip slot, a horn cover sealing strip and a check valve connector, the sealing strip slot is disposed at one end of the leak-proof horn cover which is connected with the milk storage bin in a sealing manner, the horn cover sealing strip is disposed in the sealing strip slot, and the check valve connector is disposed at the other end of the leak-proof horn cover and is clamped with the check valve device.

4. The leak-proof breast pump as set forth in claim 1 wherein the negative pressure chamber comprises a negative pressure expansion region and a clamping region connected to the negative pressure expansion region, the negative pressure expansion region being in the clamping region and forming a negative pressure cavity with the breast pump main unit; the joint district is including the host computer connect the face, store up milk joint face, store up milk butt face and loudspeaker cover draw-in groove, the host computer is connected the face, is stored up milk joint face and is stored up milk butt face and connect gradually, and loudspeaker cover draw-in groove sets up on the joint district, and the host computer is connected the face and is sealed the butt with the breast pump host computer, stores up milk butt face and stores up the sealed butt in milk storehouse, stores up milk joint face and breast pump host computer and will store up milk storehouse clamp dress, loudspeaker cover draw-in groove and leak protection loudspeaker cover joint.

5. The leak-proof breast pump as set forth in claim 4, wherein the main body connection surface and the milk storage abutment surface are respectively provided with a sealing strip, and the negative pressure expansion region is provided with a radial guide groove.

6. The leak-proof breast pump as set forth in claim 4 wherein the negative pressure chamber further comprises an arcuate guide section, the arcuate guide section being disposed between the negative pressure expansion section and the clamping section.

7. The leak-proof breast pump as set forth in claim 1, wherein the breast pump main body is provided with a retaining groove, an abutting member and an air suction hole, the milk storage chamber is clamped by the breast pump main body and the negative pressure chamber through the retaining groove, the abutting member is in sealing abutment with the negative pressure chamber, and the air suction hole is communicated with the negative pressure chamber.

8. The leak-proof breast pump as set forth in claim 7 wherein the detent recess is isosceles trapezoidal in cross-section.

9. The leak-proof breast pump as claimed in claim 1, wherein the milk storage chamber comprises a milk outlet, a milk storage plug and a connector, the milk outlet is arranged on the milk storage chamber, the milk storage plug is connected with the milk outlet, the connector is arranged at the end of the milk storage chamber connected with the breast pump main unit, one end of the connector is clamped with the breast pump main unit, and the other end of the connector is in sealing abutment with the negative pressure chamber.

10. The leak-proof breast pump as set forth in claim 9, wherein the milk storage chamber further comprises a positioning protrusion, the breast pump main unit is provided with a positioning opening, and the positioning protrusion is disposed on the milk storage chamber and engaged with the positioning opening.

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