CN105236019A - Air pressure type liquid-squeezing device - Google Patents

Air pressure type liquid-squeezing device Download PDF

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Publication number
CN105236019A
CN105236019A CN201510787716.5A CN201510787716A CN105236019A CN 105236019 A CN105236019 A CN 105236019A CN 201510787716 A CN201510787716 A CN 201510787716A CN 105236019 A CN105236019 A CN 105236019A
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China
Prior art keywords
pressure
liquid
check valve
storing bag
housing
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Granted
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CN201510787716.5A
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Chinese (zh)
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CN105236019B (en
Inventor
周晓青
周心驰
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Individual
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Publication of CN105236019B publication Critical patent/CN105236019B/en
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Abstract

The invention relates to a container which stores a liquid, particularly to an air pressure type liquid-squeezing device. A first one-way valve is arranged on a pipeline between a liquid storage bag and a liquid outlet of the air pressure type liquid-squeezing device, and gas or a liquid is effectively prevented from polluting the stored liquid in the liquid storage bag; the liquid storage bag is made from a flexible material; a pressure cavity is formed between the casing and the liquid storage bag; a second one-way valve is arranged on the pressure cavity; air pressure in the pressure cavity is enhanced through a pressurizing structure; the liquid storage bag is compressed by the air pressure in the pressure cavity; the liquid in the liquid storage bag is squeezed out at the position of the first one-way valve; and after pressure exerted on the pressurizing structure is released, air enters the pressure cavity automatically through the second one-way valve due to the fact that pressure in the pressure cavity is lower than the atmospheric pressure. The air pressure type liquid-squeezing device is simple in structure, low in cost, excellent in system reliability and long in service life; and the liquid storage bag made from the flexible material is squeezed indirectly through pressure, so that the liquid in the liquid storage bag can be squeezed out completely, and waste cannot be caused.

Description

A kind of vapour-pressure type squeeze fluid device
Technical field
The present invention relates to a kind of container storing liquid, be specifically related to a kind of vapour-pressure type squeeze fluid device.
Background technology
In daily life, the fluent such as fresh milk of some cosmetics, liquid medicine, cosmetics and practicality, has certain shelf-life usually.But this shelf-life is generally the shelf-life under vacuum seal state, if liquid is once contact with air behind Kaifeng, as do not used within the regular hour, even if not to the shelf-life, can go bad equally.
Publication number is that the Chinese invention patent of CN105000259A discloses a kind of extrusion equipment, the liquid outlet of this extrusion equipment is provided with check valve, the effect of this check valve is to impel liquid can only by the inside of extrusion equipment outwardly, outside liquids and gases cannot enter extrusion equipment inside, thus in guarantee use procedure, liquid in container can not contact with air, avoids in shelf-life endomorphism.This extrusion equipment realizes the object of squeezing liquid and isolated air by two piston structures and 2 check valves, and the defect of this structure is, 2 piston structures cause the cost of extrusion equipment higher; And the reliability of system is poor, piston, in long-time use procedure, can wear and tear, and causes the situation of seal failure, and the leak tightness of any one piston structure goes wrong, and extrusion equipment will be caused normally to use.
Summary of the invention
The technical problem to be solved in the present invention is to provide the vapour-pressure type squeeze fluid device that a kind of structure is simple, cost is low, reliability is strong.
In order to solve the problems of the technologies described above, technical scheme provided by the invention is as follows: a kind of vapour-pressure type squeeze fluid device, at least comprises:
Liquid storing bag, this liquid storing bag is made up of flexible material, and the opening part of described liquid storing bag is provided with seal cover cap;
Liquid outlet, this liquid outlet is communicated with liquid storing bag inside through seal cover cap by pipeline;
First check valve, this first check valve is located on the pipeline between liquid outlet and liquid storing bag;
Housing, described liquid storing bag is installed in housing, and described liquid outlet extends to outside housing, forms airtight pressure chamber between described liquid storing bag and inner walls;
Second check valve, described pressure chamber is in communication with the outside by this second check valve;
Pressurized construction, this pressurized construction is for strengthening the air pressure in pressure chamber.
A kind of preferred embodiment, the housing wall forming described housing at least comprises partially flexible housing wall, and this flexible shell wall is described pressurized construction.
A kind of preferred embodiment, described housing is made up of rigid material, described housing has at the bottom of shell, described pressurized construction comprise be located at side under shell base, be located at the push pedal of enclosure interior and connect the push rod of described push pedal and base, the outline of described push pedal and inner walls sliding block joint and seal between the outline of push pedal and inner walls, described push rod is through being flexibly connected with at the bottom of shell at the bottom of described shell, be provided with elastic component between at the bottom of described push pedal and shell, described push pedal and inner walls form described pressure chamber.
Further, described push rod inside is provided with current path, and described pressure chamber is in communication with the outside by the current path of described push rod, and described second check valve is located on the current path of described push rod.
Further, described second check valve is located in described push pedal, and this second check valve is the end of push rod current path in push pedal.
A kind of preferred embodiment, described housing is made up of rigid material, described housing has cap, described pressurized construction comprise be located at pressure handle above cap, the pressing plate of being located at enclosure interior and the depression bar connecting pressure handle and pressing plate, described depression bar is through described cap and be flexibly connected with cap; Described pressing plate is connected with cap by bellows, and the cavity that described bellows, pressing plate and cap are formed and described pressure chamber are isolated; Elastic component is provided with between described pressing plate and cap.
Further, the inside of described pressure handle and depression bar is provided with flow channel, and described liquid outlet is communicated with liquid storing bag by described flow channel, and described first check valve is located on described flow channel.
Further, the seal cover cap of described liquid storing bag is fixedly connected with described pressing plate.
A kind of preferred embodiment, described pressurized construction is the inflatable appliance removably connected with described second check valve.
Further, described second check valve is located on the housing wall of formation pressure chamber.
Vapour-pressure type squeeze fluid device of the present invention, has following technological merit:
(1) pipeline between liquid storing bag and liquid outlet is provided with the first check valve, effectively prevents the storage liquid in gas or liquid contamination liquid storing bag.
(2) liquid storing bag is made up of flexible material, between housing and liquid storing bag, there is pressure chamber, pressure chamber is provided with the second check valve, the air pressure in pressure chamber is strengthened by pressurized construction, by the air pressure compression liquid storing bag in pressure chamber, the liquid in liquid storing bag is extruded by the first check valve; Release is to after the pressure of pressurized construction, and because the pressure in pressure chamber is less than bar pressure, air enters pressure chamber automatically by the second check valve.This vapour-pressure type squeeze fluid device structure is simple, and cost is low, and system reliability is good, longer service life.
(3) by the liquid storing bag made of air pressure indirect extrusion by flexible material, the liquid in liquid storing bag can be extruded completely, can not waste be caused.
Accompanying drawing explanation
Fig. 1 is the structural representation of the vapour-pressure type squeeze fluid device of first embodiment of the invention;
Fig. 2 is the structural representation of the vapour-pressure type squeeze fluid device of second embodiment of the invention;
Fig. 3 is the structural representation of the vapour-pressure type squeeze fluid device of third embodiment of the invention;
Fig. 4 is the structural representation of the vapour-pressure type squeeze fluid device of fourth embodiment of the invention.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In describing the invention, it will be appreciated that, term " on ", D score, "front", "rear", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, connect integratedly, also can be removably connect; It can be the connection of two element internals; Can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, particular case can understand above-mentioned term concrete meaning in the present invention.
embodiment one
Figure 1 shows that the structural representation of the vapour-pressure type squeeze fluid device of first embodiment of the invention.The vapour-pressure type squeeze fluid device of this embodiment comprises liquid storing bag 4 and housing 8, and wherein liquid storing bag 4 is made up of flexible material, and the opening part of this liquid storing bag 4 is provided with seal cover cap 3.Liquid storing bag 4 also comprises liquid outlet 1, and this liquid outlet 1 is communicated with liquid storing bag 4 inside through seal cover cap 3 by pipeline, and its pipeline is also provided with the first check valve 2.As preferably, in the present embodiment, the first check valve 2 is located on seal cover cap 3.
In the present embodiment, liquid storing bag 4 is installed in housing 8, and liquid outlet 1 extends to outside housing 8, forms airtight pressure chamber 6 between the inwall of liquid storing bag 4 and housing 8.The housing wall forming pressure chamber 6 is provided with the second check valve 5.
It should be noted that, in this embodiment, the housing wall forming housing 8 at least comprises partially flexible housing wall 7, and certainly, the housing wall forming housing 8 can be also all flexible shell wall.In the present embodiment, flexible shell wall 7 is pressurized construction.By extruding flexible shell wall, the gaseous tension in pressure chamber 6 can be increased, and then extrude the liquid storing bag 4 be made up of flexible material, the liquid in liquid storing bag 4 is extruded by the first check valve 2.After the squeese pressure of release to flexible shell wall, because the pressure in pressure chamber 6 is less than bar pressure, air enters pressure chamber 6 by the second check valve 5 automatically.
Above-mentioned vapour-pressure type squeeze fluid device structure is simple, and cost is low, and operating mode is simple, and system stability is better, extrudes liquid storing bag, the liquid in liquid storing bag all can be extruded, can not cause waste by air pressure.
embodiment two
Figure 2 shows that the structural representation of the vapour-pressure type squeeze fluid device of second embodiment of the invention.The vapour-pressure type squeeze fluid device of this embodiment comprises liquid storing bag 4 and housing 8, and wherein liquid storing bag 4 is made up of flexible material, and the opening part of this liquid storing bag 4 is provided with seal cover cap 3.Liquid storing bag 4 also comprises liquid outlet 1, and this liquid outlet 1 is communicated with liquid storing bag 4 inside through seal cover cap 3 by pipeline, and its pipeline is also provided with the first check valve 2.As preferably, in the present embodiment, the first check valve 2 is located on seal cover cap 3.
It should be noted that, in the present embodiment, housing 8 is made up of rigid material, and this housing 8 to have at the bottom of shell 10.The pressurized construction of the present embodiment comprises to be located at the bottom of shell base 11 below 10, to be located at the push pedal 9 of housing 10 inside and to connect the push rod 13 of above-mentioned push pedal 9 and base 11.The wherein outline of push pedal 13 and the inwall sliding block joint of housing 8 and seal between the outline of push pedal 13 and the inwall of housing 8.Above-mentioned push rod 13 is through at the bottom of shell 10 and 10 to be flexibly connected with at the bottom of shell, in the vertical direction, and push pedal 13 can be slided in housing 8, and push rod 13 10 can to move at the bottom of shell.At the bottom of its push pedal 9 and shell, be provided with elastic component 12 between 10, this elastic component 12 is preferably extension spring.In this embodiment, the cavity upper part mineralization pressure chamber 6 of push pedal 9 and housing 8, liquid storing bag 4 is positioned at this pressure chamber 6.
A kind of preferred implementation, the second check valve is located on the housing wall at pressure chamber 6 place.
A kind of preferred implementation, the inside of push rod 13 is provided with current path, and above-mentioned pressure chamber 6 is in communication with the outside by the current path of push rod 13, and wherein the second check valve 5 is located on the current path of push rod 13.As preferably, the second check valve 5 is located in push pedal 9, and this second check valve 5 is the end of current path in push pedal 9 of push rod 13.
In this embodiment, when needing crowded liquid, the top of pressing housing 8, then housing 8 entire lowering, push pedal 9 is risen in enclosure interior relatively, and the space of pressure chamber 6 is diminished, pressure increase, and then extruding liquid storing bag 4, extruded the liquid in liquid storing bag 4 by the first check valve 2.Release is to after housing 8 applied pressure, and under the resilient force of elastic component 12, housing 8 rises, and the space of pressure chamber 6 becomes large, and the pressure now in pressure chamber is less than bar pressure, and air enters pressure chamber 6 by the second check valve 5 automatically.
Above-mentioned vapour-pressure type squeeze fluid device structure is simple, and cost is low, and operating mode is simple, and system stability is better, extrudes liquid storing bag, the liquid in liquid storing bag all can be extruded, can not cause waste by air pressure.
embodiment three
Figure 3 shows that the structural representation of the vapour-pressure type squeeze fluid device of third embodiment of the invention.The vapour-pressure type squeeze fluid device of this embodiment comprises liquid storing bag 4 and housing 8, and wherein liquid storing bag 4 is made up of flexible material, and the opening part of this liquid storing bag 4 is provided with seal cover cap 3.Liquid storing bag 4 also comprises liquid outlet 1, and this liquid outlet 1 is communicated with liquid storing bag 4 inside through seal cover cap 3 by pipeline, and its pipeline is also provided with the first check valve 2.As preferably, in the present embodiment, the first check valve 2 is located on seal cover cap 3.
In the present embodiment, liquid storing bag 4 is installed in housing 8, and liquid outlet 1 extends to outside housing 8, forms airtight pressure chamber 6 between the inwall of liquid storing bag 4 and housing 8.The housing wall forming pressure chamber 6 is provided with the second check valve 5.
It should be noted that, in the present embodiment, housing 8 is made up of rigid material, and this housing 8 has cap.The pressurized construction of the present embodiment comprise be located at pressure handle 18 above cap, the pressing plate 15 of being located at housing 8 inside and the depression bar 14 connecting pressure handle 18 and pressing plate 15.Wherein depression bar 14 passes cap and is flexibly connected with cap.Pressing plate 15 is connected with cap by bellows 16, and the cavity of bellows 16, pressing plate 15 and cap formation and pressure chamber 6 are isolated.Between its pressing plate 15 and cap, be provided with elastic component 12, this elastic component 12 is preferably extension spring.
Further, the inside of above-mentioned pressure handle 18 and depression bar 14 is provided with flow channel, and liquid outlet 1 is communicated with liquid storing bag 4 by above-mentioned flow channel, and wherein the first check valve 2 is located on this flow channel.As preferably, the seal cover cap 3 of liquid storing bag 4 is fixedly connected with pressing plate 15.
In this embodiment, when needing crowded liquid, pressing pressure handle 18, impels pressing plate 15 to decline, the space of pressure chamber 6 is diminished, pressure increase, and then extrudes liquid storing bag 4 by gaseous tension, is extruded by the liquid in liquid storing bag 4 by the first check valve 2.After the pressure of release to pressure handle 18, pressing plate 15 restores to the original state under the resilient force of elastic component 12, and in the process, make the space in pressure chamber 6 become large, pressure is less than bar pressure, thus makes air automatically enter pressure chamber 6 by the second check valve 5.
Above-mentioned vapour-pressure type squeeze fluid device structure is simple, and cost is low, and operating mode is simple, and system stability is better, extrudes liquid storing bag, the liquid in liquid storing bag all can be extruded, can not cause waste by air pressure.
embodiment four
Figure 4 shows that the structural representation of the vapour-pressure type squeeze fluid device of fourth embodiment of the invention.The vapour-pressure type squeeze fluid device of this embodiment comprises liquid storing bag 4 and housing 8, and wherein liquid storing bag 4 is made up of flexible material, and the opening part of this liquid storing bag 4 is provided with seal cover cap 3.Liquid storing bag 4 also comprises liquid outlet 1, and this liquid outlet 1 is communicated with liquid storing bag 4 inside through seal cover cap 3 by pipeline, and its pipeline is also provided with the first check valve 2.As preferably, in the present embodiment, the first check valve 2 is located on seal cover cap 3.
In the present embodiment, liquid storing bag 4 is installed in housing 8, and liquid outlet 1 extends to outside housing 8, forms airtight pressure chamber 6 between the inwall of liquid storing bag 4 and housing 8.The housing wall forming pressure chamber 6 is provided with the second check valve 5.
It should be noted that, the pressurized construction in the present embodiment is the inflatable appliance 17 removably connected with the second check valve 5.When needing crowded liquid, as long as be connected with the second check valve 5 by inflatable appliance 17, in pressure chamber 6, inflate the gaseous tension that can increase in pressure chamber 6, and then by gaseous tension extruding liquid storing bag 4, until the liquid in liquid storing bag is extruded completely.This embodiment structure is simple, easy to operate, and system stability is better, extrudes liquid storing bag, the liquid in liquid storing bag all can be extruded, can not cause waste by air pressure.
In a word, the foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a vapour-pressure type squeeze fluid device, is characterized in that, at least comprises:
Liquid storing bag, this liquid storing bag is made up of flexible material, and the opening part of described liquid storing bag is provided with seal cover cap;
Liquid outlet, this liquid outlet is communicated with liquid storing bag inside through seal cover cap by pipeline;
First check valve, this first check valve is located on the pipeline between liquid outlet and liquid storing bag;
Housing, described liquid storing bag is installed in housing, and described liquid outlet extends to outside housing, forms airtight pressure chamber between described liquid storing bag and inner walls;
Second check valve, described pressure chamber is in communication with the outside by this second check valve;
Pressurized construction, this pressurized construction is for strengthening the air pressure in pressure chamber.
2. according to vapour-pressure type squeeze fluid device according to claim 1, it is characterized in that, the housing wall forming described housing at least comprises partially flexible housing wall, and this flexible shell wall is described pressurized construction.
3. according to vapour-pressure type squeeze fluid device according to claim 1, it is characterized in that, described housing is made up of rigid material, described housing has at the bottom of shell, described pressurized construction comprise be located at side under shell base, be located at the push pedal of enclosure interior and connect the push rod of described push pedal and base, the outline of described push pedal and inner walls sliding block joint and seal between the outline of push pedal and inner walls, described push rod is through being flexibly connected with at the bottom of shell at the bottom of described shell, be provided with elastic component between at the bottom of described push pedal and shell, described push pedal and inner walls form described pressure chamber.
4. according to vapour-pressure type squeeze fluid device according to claim 3, it is characterized in that, described push rod inside is provided with current path, and described pressure chamber is in communication with the outside by the current path of described push rod, and described second check valve is located on the current path of described push rod.
5. according to vapour-pressure type squeeze fluid device according to claim 4, it is characterized in that, described second check valve is located in described push pedal, and this second check valve is the end of push rod current path in push pedal.
6. according to vapour-pressure type squeeze fluid device according to claim 1, it is characterized in that, described housing is made up of rigid material, described housing has cap, described pressurized construction comprise be located at pressure handle above cap, the pressing plate of being located at enclosure interior and the depression bar connecting pressure handle and pressing plate, described depression bar is through described cap and be flexibly connected with cap; Described pressing plate is connected with cap by bellows, and the cavity that described bellows, pressing plate and cap are formed and described pressure chamber are isolated; Elastic component is provided with between described pressing plate and cap.
7. according to vapour-pressure type squeeze fluid device according to claim 6, it is characterized in that, the inside of described pressure handle and depression bar is provided with flow channel, and described liquid outlet is communicated with liquid storing bag by described flow channel, and described first check valve is located on described flow channel.
8. according to the vapour-pressure type squeeze fluid device described in claim 6 or 7, it is characterized in that, the seal cover cap of described liquid storing bag is fixedly connected with described pressing plate.
9. according to vapour-pressure type squeeze fluid device according to claim 1, it is characterized in that, described pressurized construction is the inflatable appliance removably connected with described second check valve.
10. according to the vapour-pressure type squeeze fluid device described in Claims 2 or 3 or 6 or 7 or 9, it is characterized in that, described second check valve is located on the housing wall of formation pressure chamber.
CN201510787716.5A 2015-11-17 2015-11-17 A kind of vapour-pressure type squeeze fluid device Expired - Fee Related CN105236019B (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN108408266A (en) * 2018-04-15 2018-08-17 中山市华宝勒生活用品实业有限公司 The adjustable compression container of one kind
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
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
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
CN113359361A (en) * 2021-05-08 2021-09-07 华南理工大学 Microcavity-injected electrochromic device and preparation method and application thereof

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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
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN108408266A (en) * 2018-04-15 2018-08-17 中山市华宝勒生活用品实业有限公司 The adjustable compression container of one kind
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
CN113359361A (en) * 2021-05-08 2021-09-07 华南理工大学 Microcavity-injected electrochromic device and preparation method and application thereof

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Granted publication date: 20180529