CN109621043A - A kind of counterflow-preventing duckbill valve - Google Patents

A kind of counterflow-preventing duckbill valve Download PDF

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Publication number
CN109621043A
CN109621043A CN201910065649.4A CN201910065649A CN109621043A CN 109621043 A CN109621043 A CN 109621043A CN 201910065649 A CN201910065649 A CN 201910065649A CN 109621043 A CN109621043 A CN 109621043A
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CN
China
Prior art keywords
valve
feeding bottle
milk
storage feeding
preventing
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Granted
Application number
CN201910065649.4A
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Chinese (zh)
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CN109621043B (en
Inventor
邓华
刘水华
张毅
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Shanghai NeWin Baby Products Co., Ltd
Original Assignee
Hamami Changjung Enterprise Management Co Ltd
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Priority to CN201910065649.4A priority Critical patent/CN109621043B/en
Publication of CN109621043A publication Critical patent/CN109621043A/en
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Publication of CN109621043B publication Critical patent/CN109621043B/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/06Milking pumps
    • A61M1/062Pump accessories
    • A61M1/064Suction cups
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00Check valves
    • F16K15/14Check valves with flexible valve members
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/82Internal energy supply devices
    • A61M2205/8206Internal energy supply devices battery-operated
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/82Internal energy supply devices
    • A61M2205/8237Charging means
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2210/00Anatomical parts of the body
    • A61M2210/10Trunk
    • A61M2210/1007Breast; mammary

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Pediatric Medicine (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Mechanical Engineering (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • External Artificial Organs (AREA)

Abstract

The invention discloses a kind of counterflow-preventing duckbill valves, it is set to stream milk end, stream milk end is connected with storage feeding bottle, duckbill valve is equipped with the first valve and the second valve, first valve includes the first deformation wall of arc-shaped shape, two first deformation walls are from top to bottom gradually drawn close and form the first notch, the first valve connection stream milk end and storage feeding bottle in end;Second valve includes the second deformation wall of arc-shaped shape, and two second deformation walls are from top to bottom gradually drawn close and form the second notch in end, and the second valve is connected to external atmosphere pressure and storage feeding bottle.Second valve is normally opened so that storage feeding bottle is connected to external atmosphere pressure, and storage feeding bottle maintains ventilative state;First valve follows the switching between negative pressure of vacuum and normal pressure and opens or closes, and milk can flow into storage feeding bottle.When storing up feeding bottle and shaking, milk is squeezed and deformed wall from outside, so that notch is closed, effective leakage and adverse current for preventing milk.

Description

A kind of counterflow-preventing duckbill valve
Technical field
The present invention relates to mother and baby's appliance field, in particular to a kind of counterflow-preventing duckbill valve.
Background technique
Electric breast pump is the instrument used in postpartum for lactation mother, refers to and goes out to accumulate in the mother in mammary gland for squeezing (suction) The tool of cream.Change air pressure inside variation by inner vacuum negative pressure pump, i.e. circulation " suction " " putting " goes that baby's suction is imitated to permit breast milk Movement.
With regard to existing breast pump, can all reserve an air hole in the position of threeway and storage feeding bottle connection, allow storage feeding bottle with Air keeps circulation, and pressure is identical as atmospheric pressure maintenance in storage feeding bottle, and such breast milk could be flowed into from duckbill valve notch naturally It stores up in feeding bottle.There is also apparent defects for such air hole, when accidentally toppling over or when the posture that sucks is lain on one's side in feeding bottle Breast milk storage feeding bottle can be flowed out by air hole, occur so as to cause the embarrassing phenomenon that wastes and spill with.
Summary of the invention
The ventilative counterflow-preventing duckbill valve but also with counterflow-preventing function can have both been realized the purpose of the present invention is to provide a kind of.
Used technical solution to solve above-mentioned technical problem: a kind of counterflow-preventing duckbill valve is set to stream milk end, flows milk End is sealedly connected with storage feeding bottle, and the first valve and the second valve are provided on duckbill valve, and the first valve includes being located at its both sides Arc-shaped shape first deformation wall, two first deformation walls from top to bottom gradually draw close and end formed elongate first Notch, the first valve connection stream milk end and storage feeding bottle;Second valve includes second of the arc-shaped shape positioned at its both sides Wall is deformed, two second deformation walls are from top to bottom gradually drawn close and form the second notch of elongate, second valve in end Door connection external atmosphere pressure and storage feeding bottle.
As an improvement of the above scheme, the first valve and the second valve are commonly connected on gasket, the first notch and Two incisions are directed to the inner cavity of storage feeding bottle, and the periphery of gasket is bonded with the port sealing of storage feeding bottle.
As an improvement of the above scheme, the middle part of the gasket forms the first atmospheric pressure cavity spaced apart from each other and the second air pressure Chamber, stream milk end are respectively formed with the first connecting portion for being inserted into the first atmospheric pressure cavity and are inserted into the second connection of the second atmospheric pressure cavity The lower end of the first atmospheric pressure cavity is arranged in portion, the first valve, and the lower end of the second atmospheric pressure cavity is arranged in the second valve.
As an improvement of the above scheme, duckbill valve is made of the liquid-state silicon gel of food-grade material.
As an improvement of the above scheme, the wall thickness of the first deformation wall and the second deformation wall is 0.4~0.6mm.
As an improvement of the above scheme, the stream milk end is communicated with vacuum negative pressure device.
The utility model has the advantages that can easily realize the first notch by the deformation of the first deformation wall and the second deformation wall in the present invention With the switching of the on and off of the second notch.Wherein, the second valve be in normally open make store up feeding bottle and the external world it is big Pressure communication, storage feeding bottle maintain ventilative state, and milk constantly can flow into storage feeding bottle through the first notch;And the first valve with It is opened or closed with the switching between negative pressure of vacuum and normal pressure, once the first notch is opened, milk flows into storage feeding bottle immediately. When storing up feeding bottle and shaking, milk squeezes the first deformation wall and the second deformation wall from outside, so that the first notch and the Two incisions are closed, effective leakage and adverse current for preventing milk.
Detailed description of the invention
The present invention is described further with reference to the accompanying drawings and examples:
Fig. 1 is the assembling schematic diagram for exempting from hand steered concealed breast pump;
Fig. 2 is the perspective view for exempting from hand steered concealed breast pump;
Fig. 3 is the left side view of Fig. 2;
Fig. 4 is the schematic diagram of internal structure of breast pump host;
Fig. 5 is the structural schematic diagram for collecting milk device;
Fig. 6 is the diagrammatic cross-section of breast pump, and air bag is in the raw in the figure;
Fig. 7 is the diagrammatic cross-section of breast pump, and air bag is in negative pressure fit-state in the figure;
Fig. 8 is the status diagram that the first valve when breast pump works in duckbill valve is opened;
Fig. 9 is the status diagram that the first valve when breast pump works in duckbill valve is closed;
Figure 10 is the front view of air bag;
Figure 11 is A-A diagrammatic cross-section in Figure 10;
Figure 12 is the schematic perspective view of duckbill valve;
Figure 13 is that lactation mother is worn by the side view for exempting from hand steered concealed breast pump;
Figure 14 is that lactation mother is worn by the front view for exempting from hand steered concealed breast pump.
Specific embodiment
Referring to figs. 1 to Fig. 3, exempt from hand steered concealed breast pump for the present embodiment one kind, the breast pump by breast pump host 1, Collect the components composition such as milk device 3 and storage feeding bottle 2.It is provided with vacuum negative pressure device in breast pump host 1 and is born with vacuum The main control board 16 of pressure device connection, main control board 16 are connected with the control panel 11 for being set to 1 appearance of breast pump host. In Fig. 2, the top of breast pump host 1 is arranged in control panel 11, and lactation mother on the one hand can be facilitated to operate, on the other hand can also Control panel 11 is squeezed when avoiding being worn on inside brassiere.The power on/off of breast pump is provided on the control panel 11 Key, suction size shift-up operation button, suction size downshift operation key and stimulating milk secretion and the mode that sucks switching key, together When be additionally provided with suction gear warning light, breast pump charged state warning light etc..Lactation mother combines actual conditions to control plane Plate 11 is operated, and main control board 16 is sent instructions to, and main control board 16 controls to adjust the work shape of vacuum negative pressure device State.When breast pump host 1 is in charging transition, charged state warning light is prompted.Meanwhile it also being set in breast pump host 1 It is equipped with the wireless communication module 18 for receiving mobile terminal electric signal.In the present embodiment, mobile terminal is mobile phone, wireless telecommunications Module 18 receives the electric signal that mobile phone issues, and electric signal is sent to governor circuit for parsing with the communications protocol of mobile phone Plate 16, wireless communication module 18 use bluetooth or WIFI communication pattern.Multiple control choosings are shown in APP program on mobile phone , the control option is substantially consistent with the option on control panel 11, to realize the adjusting of breast pump working condition.Simultaneously The information such as the remaining capacity of suction gear state and breast pump can also be shown in the APP program.By mobile terminal to suction The working condition of milk device is controlled, and is greatly facilitated lactation mother and is used breast pump in public places, since the breast pump is Exempt from hand steered concealed breast pump, lactation mother can dress in advance, when needing to suck, need to only control and open by mobile terminal , convenient and efficient.
As shown in figure 4, the lithium battery 15 and charging interface 17 of charge and discharge are additionally provided in the breast pump host 1, using suitable Orchestration can carry out convenient charging to it.Vacuum negative pressure device in breast pump host 1 includes vacuum pump 13 and gas bleeder valve 14, The lower end of breast pump host 1 is provided with U-shaped cavity 12, and collection milk device 3 is arranged in U-shaped cavity 12, collection 3 one end of milk device with Vacuum negative pressure device is tightly connected, and the other end and storage feeding bottle 2 are tightly connected, and storage feeding bottle 2 is docked with the lower end of breast pump host 1, The lateral surface of breast pump host 1 is arranged to first surface, and the lateral surface of storage feeding bottle 2 is arranged to the second curved surface, first surface and the Two curved surfaces are connected to be formed and the matched arc-shaped curved surface of brassiere binding face, the medial surface of breast pump host 1 and the medial surface of storage feeding bottle 2 It is arranged to coplanar.
Control panel 11 is set by the appearance in breast pump host 1, lactation mother is facilitated to control and adjust breast pump Working condition.Meanwhile complete machine is highly integrated, the equal integrated installation of vacuum negative pressure device sum aggregate milk device 3 is in breast pump host 1 Portion, compact-sized, no any pipeline constraint.Also, in conjunction with ergonomics, by the lateral surface of breast pump host 1 be arranged to Brassiere binding face matches first surface, is arranged to the lateral surface for storing up feeding bottle 2 to match the second curved surface with brassiere binding face, and first is bent Face and the second curved surface are connected to be formed can easily naturally put breast pump with the matched arc-shaped curved surface of brassiere binding face, lactation mother Enter in Bra for nursing;The medial surface of breast pump host 1 and the medial surface for storing up feeding bottle 2 be arranged to it is planar so as to breast side Fitting.The volume minimization of entire breast pump is realized while rationally distributed.The breast pump monnolithic case is exquisite, round and smooth, It is very suitable to dress and hide, meet lactation mother and realizes that simple hidden and movement gracefulness is proper in public and suck.
Be illustrated in figure 5 collection milk device 3, which is hidden in inside breast pump host 1, specifically include threeway 32, Air bag 31 and duckbill valve 33, threeway 32 includes air pressure end, suck end and stream milk end, and entire threeway 32 is embedded in breast pump master In the U-shaped cavity 12 of 1 lower end of machine, air bag 31 is arranged in air pressure end and is tightly connected with vacuum negative pressure device, and the end that sucks is in It is horn-like and be arranged to medial surface through breast pump host 1 and be directed toward breast, the bearing surface at the end that sucks and the inside of breast pump host 1 Face is concordant, guarantees that the medial surface of breast pump is substantially flat, increases the comfort level of lactation mother wearing.Duckbill valve 33 is fixed at Milk end is flowed, stream milk end is sealedly connected with storage feeding bottle 2, and the milk that breast pump is sucked out flows into storage feeding bottle 2 through duckbill valve 33.The storage milk Bottle 2 is bolted in stream milk end, cleaning easy to disassemble by the thread of bottleneck.Meanwhile the interior top of U-shaped cavity 12 being provided with air bag Lid, airbag cover are equipped with the first stomata and the second stomata, and the first stomata is connected to by hose with vacuum pump 13, and the second stomata passes through Hose is connected to gas bleeder valve 14, and air bag 31 is sealedly connected in airbag cover, realize air bag 31 simultaneously with vacuum pump 13 and lose heart Valve 14 is connected to.
Collection milk device 3 is integrated in the lower end of breast pump host 1, on the one hand realizes the diminution of entire breast pump volume, So as to lactation mother wearing;On the other hand, the generation of pipeline restricted problem is effectively prevented by integrated installation.Meanwhile passing through Breast pump host 1 and storage feeding bottle 2 can be connected as one by the collection milk device 3, play the functional effect formed a connecting link, and then make The volume for obtaining breast pump can accomplish more Bao Geng little.
Above-mentioned air bag 31 is made of the liquid-state silicon gel material of food-grade material, has preferably elasticity and fatigue durability, It is mainly used for being isolated for air pressure and breast milk.As shown in Figure 10 and Figure 11, the air bag 31 be in flat U-shaped shape, air pressure end be arranged to The consistent flat U-shaped shape of air bag 31.The wide face face of air bag 31, which sucks, holds setting, and the thickness between two wide faces is smaller, has Conducive to entire breast pump thinness is reduced, facilitate lactation mother will be inside breast pump wearing and brassiere.Meanwhile two of air bag 31 are narrow The distance between face is larger, is conducive to the volume for increasing entire air bag 31, and then increase the change of the draught head in entire threeway 32 Significantly, it sucks in order to provide sufficient pressure.Deformation guide surface, deformation guide surface and air bag 31 are provided in airbag cover Two leptoprosopy be correspondingly arranged, deformation guide surface guidance air bag 31 deviated under negative pressure of vacuum breast be bonded to be formed it is flat. As shown in fig. 7, when air bag 31 by negative pressure fitting in it is flat when, 31 whole departure of air bag in breast, and then increase breast with Gap between air bag 31 facilitates lotion smoothly to flow into milk end out of threeway 32.Deformation guiding mask body can be set to The folding face being bonded with 31 surface of air bag, the fold position of folding face are in be vertically offset to be arranged in air bag 31, and then realize entire air bag 31 Deviation guiding.
The two states of air bag 31 when Fig. 6 and Fig. 7 respectively illustrates breast pump work.In Fig. 6, air bag 31 is in nature shape State, gas bleeder valve 14 is in the open state at this time, and air bag 31 is communicated with atmospheric pressure, not formed negative pressure in threeway 32, entire breast pump State in " putting ", the state is primarily to facilitate milk smoothly to flow into storage feeding bottle 2;In Fig. 7, air bag 31 is in Negative pressure fit-state, gas bleeder valve 14 is in close state at this time, and air bag 31 is only connected to vacuum pump 13 and is vacuumized completely, three Negative pressure is formed due to the diminution of 31 volume of air bag in logical 32, entire breast pump is in the state of " suction ", realizes lotion in breast Suction.
Duckbill valve 33 is set to stream milk end, has the function of counterflow-preventing.As shown in figure 12, first is provided on duckbill valve 33 Valve 331 and the second valve 332, the first valve 331 include positioned at its both sides arc-shaped shape first deformation wall 3311, two A first deformation wall 3311 is from top to bottom gradually drawn close and forms the first notch 3312 of elongate, the first valve 331 in end Connection stream milk end and storage feeding bottle 2;Second valve 332 include positioned at its both sides arc-shaped shape second deformation wall 3321, two A second deformation wall 3321 is from top to bottom gradually drawn close and forms the second notch 3322 of elongate, the second valve 332 in end It is connected to external atmosphere pressure and storage feeding bottle 2.The duckbill valve 33 is made of the liquid-state silicon gel of food-grade material, has and preferably seals Property, tearing toughness, resilience, anti-yellowing, thermal stability, heat-resistant aging and the characteristics of pressure-resistant compression deformation.First becomes The wall thickness of shape wall 3311 and the second deformation wall 3321 is 0.4~0.6mm, and the area of deformation wall design is big and thin, guarantees easily rebound And stress is easily-deformable.
The first notch 3312 and second can be easily realized by the deformation of the first deformation wall 3311 and the second deformation wall 3321 The switching of the on and off of notch 3322.Wherein, the second valve 332 is connected to external atmosphere pressure, the second deformation wall 3321 and it is not affected by the extruding of negative pressure, therefore is in normally open, so that storage feeding bottle 2 maintains ventilative state, milk can be with Constantly storage feeding bottle 2 is flowed into through the first notch 3312;And the first valve 331 follow the switching between negative pressure of vacuum and normal pressure and It opens or closes.When threeway 32 releases negative pressure, the first notch 3312 is opened, and milk flows into storage feeding bottle 2 immediately.When storage feeding bottle 2 when shaking, and milk squeezes the first deformation wall 3311 and the second deformation wall 3321 from outside, so that the first notch 3312 It is closed with the second notch 3322, milk can not be flowed out from storage feeding bottle 2, effective leakage and adverse current for preventing milk.
Preferably, the first valve 331 and the second valve 332 are commonly connected on gasket 333,3312 He of the first notch Second notch 3322 is directed to the inner cavity of storage feeding bottle 2, and the periphery of gasket 333 is bonded with the port sealing of storage feeding bottle 2.When storage milk When bottle 2 is threaded in stream milk end, the port of feeding bottle 2 is stored up tight against in the downside of gasket 333, meanwhile, the mode being spirally connected can There is provided pressure is close to the upper side of gasket 333 with stream milk end, and stream milk end has been effectively ensured and has stored up the sealing between feeding bottle 2 Connection.Meanwhile the middle part of gasket 333 forms the first atmospheric pressure cavity and the second atmospheric pressure cavity spaced apart from each other, stream milk end is respectively formed There is the first connecting portion for being inserted into the first atmospheric pressure cavity and be inserted into the second connecting portion of the second atmospheric pressure cavity, the first valve 331 is set It sets in the lower end of the first atmospheric pressure cavity, the lower end of the second atmospheric pressure cavity, the first atmospheric pressure cavity and stream milk end phase is arranged in the second valve 332 Logical, the second atmospheric pressure cavity is communicated with external atmosphere pressure.First atmospheric pressure cavity and first connecting portion interference fit connection, the second atmospheric pressure cavity with Second connecting portion interference fit connection, can avoid deforming because of the first valve 331 and 332 upper end of the second valve it is excessive caused by Valve invalidation.
The status diagram of the first valve 331 when Fig. 8 and Fig. 9 respectively illustrates breast pump work in duckbill valve 33.Fig. 8 In, air bag 31 is normal pressure in threeway 32, the first notch 3312 is naturally in the open state, collects in stream milk in the raw The milk at end flows into storage feeding bottle 2 through the first valve 331;In Fig. 9, air bag 31 is in negative pressure fit-state, is negative in threeway 32 Pressure, the first notch 3312 are in closed state under the extruding of negative pressure, and the milk sucked out imports to stream milk end and rests on the One valve, 331 front end.
Figure 13 and Figure 14 is that lactation mother is worn by the effect diagram for exempting from hand steered concealed breast pump, this exempts from hand steered hidden Concealed breast pump can be hidden in brassiere well really, greatly facilitated lactation mother and arbitrarily sucked in public places.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned embodiment party Formula within the scope of knowledge possessed by those of ordinary skill in the art can also be before not departing from present inventive concept Put that various changes can be made.

Claims (6)

1. a kind of counterflow-preventing duckbill valve, is set to stream milk end, stream milk end is sealedly connected with storage feeding bottle, it is characterised in that: duckbill valve On be provided with the first valve and the second valve, the first valve includes the first deformation wall of the arc-shaped shape positioned at its both sides, two A first deformation wall is from top to bottom gradually drawn close and forms the first notch of elongate, the first valve connection stream milk in end End and storage feeding bottle;Second valve includes the second deformation wall of the arc-shaped shape positioned at its both sides, and two second deformation walls are by upper It is gradually drawn close under and forms the second notch of elongate, the second valve connection external atmosphere pressure and storage feeding bottle in end.
2. counterflow-preventing duckbill valve according to claim 1, it is characterised in that: the first valve and the second valve are commonly connected to On gasket, the first notch and the second notch are directed to store up the inner cavity of feeding bottle, the periphery of gasket and the port sealing of storage feeding bottle Fitting.
3. counterflow-preventing duckbill valve according to claim 2, it is characterised in that: the middle part of the gasket forms and is spaced from each other The first atmospheric pressure cavity and the second atmospheric pressure cavity, stream milk end be respectively formed with the first connecting portion and insertion for being inserted into the first atmospheric pressure cavity To the second connecting portion of the second atmospheric pressure cavity, the lower end of the first atmospheric pressure cavity is arranged in the first valve, and the second valve is arranged in the second gas Press the lower end of chamber.
4. described in any item counterflow-preventing duckbill valves according to claim 1~3, it is characterised in that: duckbill valve is by food-grade material Liquid-state silicon gel be made.
5. counterflow-preventing duckbill valve according to claim 4, it is characterised in that: the wall thickness of the first deformation wall and the second deformation wall For 0.4~0.6mm.
6. counterflow-preventing duckbill valve according to claim 1, it is characterised in that: the stream milk end is communicated with negative pressure of vacuum dress It sets.
CN201910065649.4A 2019-01-23 2019-01-23 Anti-reflux duckbill valve Active CN109621043B (en)

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Application Number Priority Date Filing Date Title
CN201910065649.4A CN109621043B (en) 2019-01-23 2019-01-23 Anti-reflux duckbill valve

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Publication Number Publication Date
CN109621043A true CN109621043A (en) 2019-04-16
CN109621043B CN109621043B (en) 2022-03-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2620364A (en) * 2022-06-20 2024-01-10 Mayborn Uk Ltd Breast pump and breast pump valve assembly

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB271857A (en) * 1926-05-28 1927-10-27 Louis Isaie Guillaume Sales Improvements in or relating to breast pumps
CN200970380Y (en) * 2006-11-20 2007-11-07 朱春英 Negative pressure continuous milk suction device
CN101730554A (en) * 2007-04-11 2010-06-09 梅德拉控股公司 Synchronized diaphragm breast pump pumping cycle pressure control system
CN202569020U (en) * 2012-05-18 2012-12-05 陈俊波 Breast pump
US20120315353A1 (en) * 2011-06-13 2012-12-13 Steve Becsi Breast Milk Collection, Storage, and Feeding System, Method, and Apparatus
CN103301517A (en) * 2013-05-13 2013-09-18 李红彪 Simple breast pump
CN203598283U (en) * 2013-10-11 2014-05-21 佛山市顺德区美诺电器科技有限公司 Breast pump with improved suction force vacuum valve
CN107497006A (en) * 2017-09-28 2017-12-22 武汉仙本海藻生物科技有限公司 A kind of horizontal breast pump
US20180360694A1 (en) * 2017-05-31 2018-12-20 Umbrella Baby Llc Feeding bottle with one-way liquid flow to prevent contamination
CN209751778U (en) * 2019-01-23 2019-12-10 滨海昌正企业管理有限公司 Anti-reflux duckbill valve

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB271857A (en) * 1926-05-28 1927-10-27 Louis Isaie Guillaume Sales Improvements in or relating to breast pumps
CN200970380Y (en) * 2006-11-20 2007-11-07 朱春英 Negative pressure continuous milk suction device
CN101730554A (en) * 2007-04-11 2010-06-09 梅德拉控股公司 Synchronized diaphragm breast pump pumping cycle pressure control system
US20120315353A1 (en) * 2011-06-13 2012-12-13 Steve Becsi Breast Milk Collection, Storage, and Feeding System, Method, and Apparatus
CN202569020U (en) * 2012-05-18 2012-12-05 陈俊波 Breast pump
CN103301517A (en) * 2013-05-13 2013-09-18 李红彪 Simple breast pump
CN203598283U (en) * 2013-10-11 2014-05-21 佛山市顺德区美诺电器科技有限公司 Breast pump with improved suction force vacuum valve
US20180360694A1 (en) * 2017-05-31 2018-12-20 Umbrella Baby Llc Feeding bottle with one-way liquid flow to prevent contamination
CN107497006A (en) * 2017-09-28 2017-12-22 武汉仙本海藻生物科技有限公司 A kind of horizontal breast pump
CN209751778U (en) * 2019-01-23 2019-12-10 滨海昌正企业管理有限公司 Anti-reflux duckbill valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2620364A (en) * 2022-06-20 2024-01-10 Mayborn Uk Ltd Breast pump and breast pump valve assembly

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