CN105236019B - A kind of vapour-pressure type squeeze fluid device - Google Patents
A kind of vapour-pressure type squeeze fluid device Download PDFInfo
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- CN105236019B CN105236019B CN201510787716.5A CN201510787716A CN105236019B CN 105236019 B CN105236019 B CN 105236019B CN 201510787716 A CN201510787716 A CN 201510787716A CN 105236019 B CN105236019 B CN 105236019B
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- storing bag
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Abstract
The present invention relates to a kind of containers for storing liquid, specifically disclose a kind of vapour-pressure type squeeze fluid device, and the pipeline between the liquid storing bag and liquid outlet of the vapour-pressure type squeeze fluid device is equipped with the first check valve, effectively prevent the storing liquid in gas or liquid pollution liquid storing bag;Liquid storing bag is fabricated from a flexible material, there is pressure chamber, pressure chamber is equipped with the second check valve, enhances the air pressure in pressure chamber by pressurized construction between housing and liquid storing bag, liquid storing bag is compressed by the air pressure in pressure chamber, the liquid in liquid storing bag is squeezed out by the first check valve;After release is to the pressure of pressurized construction, since the pressure in pressure chamber is less than atmospheric pressure, air is by the second check valve automatically into pressure chamber.The vapour-pressure type squeeze fluid device is simple in structure, at low cost, and system reliability is good, and service life is longer;By air pressure indirect extrusion liquid storing bag made of flexible material, the liquid in liquid storing bag can be squeezed out completely, will not cause to waste.
Description
Technical field
The present invention relates to a kind of containers for storing liquid, and in particular to a kind of vapour-pressure type squeeze fluid device.
Background technology
In daily life, the liquid objects such as some cosmetics, liquid drug, beauty product and fresh milk of practicality
Matter, usually with certain shelf-life.But the shelf-life is usually the shelf-life under vacuum sealing state, if liquid one
Denier contacts behind Kaifeng with air, without using complete such as within the regular hour, even if can equally not go bad to the shelf-life.
The Chinese invention patent of Publication No. CN105000259A discloses a kind of pressurizing unit, which goes out liquid
Mouth is equipped with check valve, and the effect of the check valve is to promote liquid that can only outwards be flowed by the inside of pressurizing unit, external liquid
Body and gas cannot be introduced into inside pressurizing unit, and during ensureing use, the liquid in container will not be contacted with air, be kept away
Exempt from shelf-life endometamorphism.The pressurizing unit realizes the mesh for squeezing liquid and completely cutting off air by two piston structures and 2 check valves
, the defects of structure, is that 2 piston structures cause the cost of pressurizing unit higher;And the reliability of system is poor, and it is living
Plug is during long-time use, it may occur that abrasion causes the situation of seal failure, and the leakproofness of any one piston structure goes out
Existing problem, will cause pressurizing unit can not normal use.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of vapour-pressure types simple in structure, at low cost, highly reliable to squeeze liquid
Device.
In order to solve the above technical problem, the present invention provides technical solution it is as follows:A kind of vapour-pressure type squeeze fluid device, at least
Including:
Liquid storing bag, the liquid storing bag are fabricated from a flexible material, and the opening of the liquid storing bag is equipped with sealing cover;
Liquid outlet, the liquid outlet is by pipeline through sealing cover with being connected inside liquid storing bag;
First check valve, first check valve are arranged on the pipeline between liquid outlet and liquid storing bag;
Housing, the liquid storing bag are installed in housing, and the liquid outlet is extended to outside housing, in the liquid storing bag and housing
Closed pressure chamber is formed between wall;
Second check valve, the pressure chamber are in communication with the outside by second check valve;
Pressurized construction, the pressurized construction are used to enhance the air pressure in pressure chamber.
A kind of preferred embodiment, the housing wall for forming the housing include at least partially flexible housing wall, the flexible shell
Wall is the pressurized construction.
A kind of preferred embodiment, the housing are made of rigid material, and the housing has shell bottom, the pressurized construction bag
Square pedestal under shell, the push plate arranged on enclosure interior and the push rod of the connection push plate and pedestal are included, the push plate
Outer profile and inner walls are slidably connected and are sealed between the outer profile of push plate and inner walls, and the push rod passes through the shell bottom
And be flexibly connected with shell bottom, elastic component is equipped between the push plate and shell bottom, the push plate forms the pressure with inner walls
Chamber.
Further, the push rod is internally provided with current path, the pressure chamber by the current path of the push rod with
External world's connection, second check valve are arranged on the current path of the push rod.
Further, second check valve is arranged in the push plate, which is pushing away for push rod current path
End on plate.
A kind of preferred embodiment, the housing are made of rigid material, and the housing has cap, the pressurized construction bag
Include pressure handle above the cap, arranged on the pressing plate of enclosure interior and the compression bar of connection pressure handle and pressing plate, the compression bar passes through institute
It states cap and is flexibly connected with cap;The pressing plate is connected by bellows with cap, and the bellows, pressing plate and cap are formed
Cavity isolate with the pressure chamber;Elastic component is equipped between the pressing plate and cap.
Further, the pressure handle and compression bar are internally provided with flow channel, and the liquid outlet passes through the flow channel
It is connected with liquid storing bag, first check valve is arranged on the flow channel.
Further, the sealing cover of the liquid storing bag is fixedly connected with the pressing plate.
A kind of preferred embodiment, the pressurized construction are the charger being detachably connected with second check valve.
Further, second check valve is arranged on the housing wall for forming pressure chamber.
The vapour-pressure type squeeze fluid device of the present invention has following technological merit:
(1)Pipeline between liquid storing bag and liquid outlet is equipped with the first check valve, effectively prevents gas or liquid from polluting storage
Storing liquid in liquid bag.
(2)Liquid storing bag is fabricated from a flexible material, and has pressure chamber between housing and liquid storing bag, it is single that pressure chamber is equipped with second
To valve, the air pressure in pressure chamber is enhanced by pressurized construction, liquid storing bag is compressed by the air pressure in pressure chamber, will be stored up
Liquid in liquid bag is squeezed out by the first check valve;After release is to the pressure of pressurized construction, since the pressure in pressure chamber is less than
Atmospheric pressure, air is by the second check valve automatically into pressure chamber.The vapour-pressure type squeeze fluid device is simple in structure, at low cost, is
System good reliability, service life are longer.
(3)By air pressure indirect extrusion liquid storing bag made of flexible material, the liquid in liquid storing bag can be squeezed completely
Go out, will not cause to waste.
Description of the drawings
Fig. 1 is the structure diagram of the vapour-pressure type squeeze fluid device of first embodiment of the invention;
Fig. 2 is the structure diagram of the vapour-pressure type squeeze fluid device of second embodiment of the invention;
Fig. 3 is the structure diagram of the vapour-pressure type squeeze fluid device of third embodiment of the invention;
Fig. 4 is the structure diagram of the vapour-pressure type squeeze fluid device of fourth embodiment of the invention.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In the description of the present invention, it is to be understood that the fingers such as term " on ", " under ", "front", "rear", " interior ", " outer "
The orientation or position relationship shown is based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplifies
Description rather than instruction imply that signified device or element must have specific orientation, with specific azimuth configuration and behaviour
Make, therefore be not considered as limiting the invention.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, being integrally connected or being detachably connected;It can be with
It is the connection inside two elements;It can be directly connected, can also be indirectly connected by intermediary, for the general of this field
For logical technical staff, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment one
Fig. 1 show the structure diagram of the vapour-pressure type squeeze fluid device of first embodiment of the invention.The air pressure of the embodiment
Formula squeeze fluid device includes liquid storing bag 4 and housing 8, and wherein liquid storing bag 4 is fabricated from a flexible material, and the opening of the liquid storing bag 4 is equipped with
Sealing cover 3.Liquid storing bag 4 further includes liquid outlet 1, which is connected by pipeline through sealing cover 3 with 4 inside of liquid storing bag,
The first check valve 2 is additionally provided on its pipeline.Preferably, in the present embodiment, the first check valve 2 is arranged on sealing cover 3.
In the present embodiment, liquid storing bag 4 is installed in housing 8, and liquid outlet 1 is extended to outside housing 8, liquid storing bag 4 and housing 8
Closed pressure chamber 6 is formed between inner wall.The second check valve 5 is equipped on the housing wall for forming pressure chamber 6.
It should be noted that in the embodiment, the housing wall for forming housing 8 includes at least partially flexible housing wall 7, when
So, the housing wall for forming housing 8 can also all flexible shell walls.In the present embodiment, flexible shell wall 7 is boosted junction
Structure.By squeezing flexible shell wall, you can the gas pressure in increase pressure chamber 6, and then squeeze the storage being fabricated from a flexible material
Liquid bag 4 is squeezed out the liquid in liquid storing bag 4 by the first check valve 2.After release is to the extruding force of flexible shell wall, due to pressure
Pressure in chamber 6 is less than atmospheric pressure, and air enters pressure chamber 6 automatically by the second check valve 5.
Above-mentioned vapour-pressure type squeeze fluid device is simple in structure, and at low cost, mode of operation is simple, and system stability is preferable, passes through gas
Liquid in liquid storing bag can all be squeezed out, will not cause to waste by extrusion pressure liquid storing bag.
Embodiment two
Fig. 2 show the structure diagram of the vapour-pressure type squeeze fluid device of second embodiment of the invention.The air pressure of the embodiment
Formula squeeze fluid device includes liquid storing bag 4 and housing 8, and wherein liquid storing bag 4 is fabricated from a flexible material, and the opening of the liquid storing bag 4 is equipped with
Sealing cover 3.Liquid storing bag 4 further includes liquid outlet 1, which is connected by pipeline through sealing cover 3 with 4 inside of liquid storing bag,
The first check valve 2 is additionally provided on its pipeline.Preferably, in the present embodiment, the first check valve 2 is arranged on sealing cover 3.
It should be noted that in the present embodiment, housing 8 is made of rigid material, which has shell bottom 10.This implementation
The pressurized construction of example includes being arranged on the pedestal 11 of 10 lower section of shell bottom, the push plate 9 inside housing 10 and above-mentioned 9 and of push plate of connection
The push rod 13 of pedestal 11.The inner wall of the wherein outer profile of push plate 13 and housing 8 is slidably connected and the outer profile of push plate 13 and housing 8
Inner wall between seal.Above-mentioned push rod 13 with shell bottom 10 through shell bottom 10 and being flexibly connected, and in the vertical direction, push plate 13 can be
It is slided in housing 8, push rod 13 can be moved relative to shell bottom 10.Elastic component 12, the elastic component are equipped between its push plate 9 and shell bottom 10
12 be preferably extension spring.In this embodiment, push plate 9 and the cavity of housing 8 are partially formed pressure chamber 6, and liquid storing bag 4 is located at
In the pressure chamber 6.
A kind of preferred embodiment, the second check valve are arranged on the housing wall at 6 place of pressure chamber.
A kind of preferred embodiment, push rod 13 are internally provided with current path, the air-flow that above-mentioned pressure chamber 6 passes through push rod 13
Access is in communication with the outside, wherein the second check valve 5 is arranged on the current path of push rod 13.Preferably, the second check valve 5 is arranged on
In push plate 9, which is end of the current path of push rod 13 in push plate 9.
In this embodiment, it is necessary to when squeezing liquid, the top of housing 8 is pressed, then 8 entire lowering of housing, push plate 9 is opposite in shell
Internal portion rises so that the space of pressure chamber 6 becomes smaller, pressure increase, and then squeezes liquid storing bag 4, by the liquid in liquid storing bag 4 by
First check valve 2 squeezes out.After discharging the pressure applied to housing 8, under the resilient force of elastic component 12, housing 8 rises, pressure
The space of power chamber 6 becomes larger, and the pressure in pressure chamber is less than atmospheric pressure at this time, and air enters automatically by the second check valve 5 presses
Power chamber 6.
Above-mentioned vapour-pressure type squeeze fluid device is simple in structure, and at low cost, mode of operation is simple, and system stability is preferable, passes through gas
Liquid in liquid storing bag can all be squeezed out, will not cause to waste by extrusion pressure liquid storing bag.
Embodiment three
Fig. 3 show the structure diagram of the vapour-pressure type squeeze fluid device of third embodiment of the invention.The air pressure of the embodiment
Formula squeeze fluid device includes liquid storing bag 4 and housing 8, and wherein liquid storing bag 4 is fabricated from a flexible material, and the opening of the liquid storing bag 4 is equipped with
Sealing cover 3.Liquid storing bag 4 further includes liquid outlet 1, which is connected by pipeline through sealing cover 3 with 4 inside of liquid storing bag,
The first check valve 2 is additionally provided on its pipeline.Preferably, in the present embodiment, the first check valve 2 is arranged on sealing cover 3.
In the present embodiment, liquid storing bag 4 is installed in housing 8, and liquid outlet 1 is extended to outside housing 8, liquid storing bag 4 and housing 8
Closed pressure chamber 6 is formed between inner wall.The second check valve 5 is equipped on the housing wall for forming pressure chamber 6.
It should be noted that in the present embodiment, housing 8 is made of rigid material, which has cap.The present embodiment
Pressurized construction include being arranged on the pressure handle 18 above cap, the pressing plate 15 arranged on housing 8 inside and connect pressure handle 18 and pressing plate 15
Compression bar 14.Wherein compression bar 14 is flexibly connected through cap and with cap.Pressing plate 15 is connected by bellows 16 with cap, and ripple
The cavity that line pipe 16, pressing plate 15 and cap are formed is isolated with pressure chamber 6.Elastic component 12 is equipped between its pressing plate 15 and cap,
The elastic component 12 is preferably extension spring.
Further, above-mentioned pressure handle 18 and compression bar 14 are internally provided with flow channel, and liquid outlet 1 passes through above-mentioned flow channel
It is connected with liquid storing bag 4, wherein the first check valve 2 is arranged on the flow channel.Preferably, the sealing cover 3 and pressing plate of liquid storing bag 4
15 are fixedly connected.
In this embodiment, it is necessary to when squeezing liquid, pressure handle 18 is pressed, pressing plate 15 is promoted to decline, becomes the space of pressure chamber 6
It is small, pressure increase, and then liquid storing bag 4 is squeezed by gas pressure, the liquid in liquid storing bag 4 is squeezed out by the first check valve 2.Release
After the pressure of pressure handle 18, pressing plate 15 restores to the original state under the resilient force of elastic component 12, in the process so that pressure chamber
Space in 6 becomes larger, pressure be less than atmospheric pressure so that air by the second check valve 5 automatically into pressure chamber 6.
Above-mentioned vapour-pressure type squeeze fluid device is simple in structure, and at low cost, mode of operation is simple, and system stability is preferable, passes through gas
Liquid in liquid storing bag can all be squeezed out, will not cause to waste by extrusion pressure liquid storing bag.
Example IV
Fig. 4 show the structure diagram of the vapour-pressure type squeeze fluid device of fourth embodiment of the invention.The air pressure of the embodiment
Formula squeeze fluid device includes liquid storing bag 4 and housing 8, and wherein liquid storing bag 4 is fabricated from a flexible material, and the opening of the liquid storing bag 4 is equipped with
Sealing cover 3.Liquid storing bag 4 further includes liquid outlet 1, which is connected by pipeline through sealing cover 3 with 4 inside of liquid storing bag,
The first check valve 2 is additionally provided on its pipeline.Preferably, in the present embodiment, the first check valve 2 is arranged on sealing cover 3.
In the present embodiment, liquid storing bag 4 is installed in housing 8, and liquid outlet 1 is extended to outside housing 8, liquid storing bag 4 and housing 8
Closed pressure chamber 6 is formed between inner wall.The second check valve 5 is equipped on the housing wall for forming pressure chamber 6.
It should be noted that the pressurized construction in the present embodiment is the charger being detachably connected with the second check valve 5
17.When needing to squeeze liquid, as long as charger 17 is connected with the second check valve 5, pressure chamber can be increased by being inflated into pressure chamber 6
Gas pressure in 6, and then liquid storing bag 4 is squeezed by gas pressure, until the liquid in liquid storing bag is squeezed out completely.The implementation
Mode is simple in structure, easy to operate, and system stability is preferable, and liquid storing bag is squeezed by air pressure, can be complete by the liquid in liquid storing bag
Portion squeezes out, and will not cause to waste.
In short, the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not intended to limit the invention, it is all in the present invention
Spirit and principle within all any modification, equivalent and improvement made etc., should be included in protection scope of the present invention it
It is interior.
Claims (6)
1. a kind of vapour-pressure type squeeze fluid device, which is characterized in that include at least:
Liquid storing bag, the liquid storing bag are fabricated from a flexible material, and the opening of the liquid storing bag is equipped with sealing cover;
Liquid outlet, the liquid outlet is by pipeline through sealing cover with being connected inside liquid storing bag;
First check valve, first check valve are arranged on the pipeline between liquid outlet and liquid storing bag;
Housing, the housing are made of rigid material, and the housing has shell bottom, and the liquid storing bag is installed in housing, described
Liquid outlet is extended to outside housing, and closed pressure chamber is formed between the liquid storing bag and inner walls;
Second check valve, the pressure chamber are in communication with the outside by second check valve;
Pressurized construction, the pressurized construction are used to enhance the air pressure in pressure chamber, and the pressurized construction includes being arranged under shell
The pedestal of side, the push plate arranged on enclosure interior and the push rod of the connection push plate and pedestal, the outer profile and housing of the push plate
Inner wall is slidably connected and is sealed between the outer profile of push plate and inner walls, and the push rod is through the shell bottom and movable with shell bottom
Connection, is equipped with elastic component between the push plate and shell bottom, the push plate forms the pressure chamber with inner walls;In the push rod
Portion is equipped with current path, and the pressure chamber is in communication with the outside by the current path of the push rod, and second check valve is arranged on
On the current path of the push rod.
2. vapour-pressure type squeeze fluid device described in accordance with the claim 1, which is characterized in that second check valve is arranged on the push plate
On, which is end of the push rod current path in push plate.
3. a kind of vapour-pressure type squeeze fluid device, which is characterized in that include at least:
Liquid storing bag, the liquid storing bag are fabricated from a flexible material, and the opening of the liquid storing bag is equipped with sealing cover;
Liquid outlet, the liquid outlet is by pipeline through sealing cover with being connected inside liquid storing bag;
First check valve, first check valve are arranged on the pipeline between liquid outlet and liquid storing bag;
Housing, the housing are made of rigid material, and the housing has cap, and the liquid storing bag is installed in housing, described
Liquid outlet is extended to outside housing, and closed pressure chamber is formed between the liquid storing bag and inner walls;
Second check valve, the pressure chamber are in communication with the outside by second check valve;
Pressurized construction, the pressurized construction are used to enhance the air pressure in pressure chamber, and the pressurized construction includes being arranged on cap
Side pressure handle, arranged on enclosure interior pressing plate and connection pressure handle and pressing plate compression bar, the compression bar through the cap and and shell
Lid flexible connection;The pressing plate is connected by bellows with cap, the cavity that the bellows, pressing plate and cap are formed with it is described
Pressure chamber is isolated;Elastic component is equipped between the pressing plate and cap.
4. vapour-pressure type squeeze fluid device described in accordance with the claim 3, which is characterized in that the pressure handle and compression bar are internally provided with liquid
Logical circulation road, the liquid outlet are connected by the flow channel with liquid storing bag, and first check valve is arranged on the flow channel
On.
5. according to the vapour-pressure type squeeze fluid device described in claim 3 or 4, which is characterized in that the sealing cover of the liquid storing bag and institute
Pressing plate is stated to be fixedly connected.
6. according to the vapour-pressure type squeeze fluid device described in claim 3 or 4, which is characterized in that second check valve, which is arranged on, to be formed
On the housing wall of pressure chamber.
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CN201510787716.5A CN105236019B (en) | 2015-11-17 | 2015-11-17 | A kind of vapour-pressure type squeeze fluid device |
Applications Claiming Priority (1)
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CN201510787716.5A CN105236019B (en) | 2015-11-17 | 2015-11-17 | A kind of vapour-pressure type squeeze fluid device |
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CN105236019A CN105236019A (en) | 2016-01-13 |
CN105236019B true CN105236019B (en) | 2018-05-29 |
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Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2019025832A1 (en) * | 2017-08-02 | 2019-02-07 | 石榴创新有限公司 | Pneumatic extrusion container and product filling and extruding method |
CN107595138A (en) * | 2017-10-26 | 2018-01-19 | 宁波威斯克电器科技有限公司 | A kind of coffee machine liquid is pressurized pushing mechanism |
CN107814070A (en) * | 2017-10-31 | 2018-03-20 | 厦门爱家康科技有限公司 | A kind of sack for filling thick liquid |
CN108114660A (en) * | 2018-01-09 | 2018-06-05 | 于洋洋 | Bubble free liquids mixing arrangement |
CN108545305A (en) * | 2018-03-26 | 2018-09-18 | 中山市华宝勒生活用品实业有限公司 | A kind of simple compressible liquid-discharging container |
CN108408266B (en) * | 2018-04-15 | 2023-11-14 | 中山市华宝勒生活用品有限公司 | Adjustable compression container |
CN110517408A (en) * | 2019-08-22 | 2019-11-29 | 周学强 | Vending Machine |
CN111453211A (en) * | 2020-04-30 | 2020-07-28 | 杭州前茂保健食品有限公司 | Portable double-liquid-outlet pressing bottle |
CN113359361B (en) * | 2021-05-08 | 2022-10-25 | 华南理工大学 | Microcavity-injected electrochromic device and preparation method and application thereof |
Family Cites Families (7)
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BR9106057A (en) * | 1990-02-22 | 1992-12-01 | Procter & Gamble | BOTTLE-TYPE FLUID DISPENSER TO TIGHTEN WITH INTERNAL POCKET WITH A MEDIUM TO RESIST THE BAG COLLAPSE IN IT |
CN2516478Y (en) * | 2002-01-25 | 2002-10-16 | 王奎义 | Pressure direct-flow flexible container |
US7172825B2 (en) * | 2003-07-29 | 2007-02-06 | Societe Bic | Fuel cartridge with flexible liner containing insert |
EP1976771B1 (en) * | 2006-01-18 | 2012-05-23 | Cleaver Ways AB | Pressure element for a liquid container |
CN204021490U (en) * | 2014-08-25 | 2014-12-17 | 蒋钱 | A kind of vapour-pressure type fruit wine separate cover |
CN105000259A (en) * | 2015-06-03 | 2015-10-28 | 周晓青 | Squeezing device |
CN205150645U (en) * | 2015-11-17 | 2016-04-13 | 周晓青 | Liquid device is crowded to vapour -pressure type |
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2015
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