CN107352155B - Conjuncted bottle cap connected with solvent filter head - Google Patents
Conjuncted bottle cap connected with solvent filter head Download PDFInfo
- Publication number
- CN107352155B CN107352155B CN201710635620.6A CN201710635620A CN107352155B CN 107352155 B CN107352155 B CN 107352155B CN 201710635620 A CN201710635620 A CN 201710635620A CN 107352155 B CN107352155 B CN 107352155B
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- CN
- China
- Prior art keywords
- core
- bottle
- solvent
- cap
- filter head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002904 solvent Substances 0.000 title claims abstract description 92
- 238000007789 sealing Methods 0.000 claims abstract description 57
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims 3
- 238000004811 liquid chromatography Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012864 cross contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 235000019837 monoammonium phosphate Nutrition 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
- B65D53/02—Collars or rings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D47/00—Closures with filling and discharging, or with discharging, devices
- B65D47/04—Closures with discharging devices other than pumps
- B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D51/00—Closures not otherwise provided for
- B65D51/16—Closures not otherwise provided for with means for venting air or gas
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Closures For Containers (AREA)
Abstract
The invention provides a conjoined bottle cap connected with a solvent filter head, which comprises a cap sleeve (10), a cap core (9) connected in the cap sleeve (10), the solvent filter head (8) covered on the cap core (9), a core sealing ring (11) or a core sealing bulge (21) arranged between the cap core (9) and the solvent filter head (8), and a sealing element arranged on the cap core and used for sealing a solvent bottle (6); be equipped with out liquid hole (13) and inlet port (14) in lid core (9), go out liquid hole (13) and run through lid core (9) perpendicularly, with the inside cavity intercommunication of solvent filter (8), inlet port (14) are located out liquid hole (13) outside, and the export of inlet port (14) is located solvent filter (8) periphery. The conjoined bottle cap is reasonably used, so that mobile phase mildew of liquid chromatogram can be effectively inhibited, and secondary faults of the liquid chromatogram caused by the mobile phase mildew can be reduced.
Description
Technical Field
The invention belongs to the technical field of liquid chromatography, and particularly relates to a conjoined bottle cap connected with a solvent filter head.
Background
Liquid chromatography is a common high-tech device in modern detection science and is widely used in the fields of medicine, chemical industry, food, life science and the like. The mobile phase is a basic component in liquid chromatography, is usually contained in a solvent bottle and is connected with an inlet one-way valve of a chromatographic pump through a pipeline, and a solvent filter head is arranged at one end of the pipeline extending into the solvent bottle to prevent particulate matters from entering the chromatographic pump to block the chromatographic pipeline or cause the one-way valve to lose efficacy. In the prior art, a solvent filter head and a bottle cap are usually two separate parts, the bottle cap is generally a spiral bottle cap and is connected with the mouth of a solvent bottle, and a hole for a pipeline to pass through is formed in the top end of the bottle cap. The mobile phase is placed in a corresponding solvent bottle, and the solvent filter head sinks to the bottom of the bottle and is submerged by the mobile phase.
The conventional solvent bottle structure has a common problem that mobile phases are easy to grow mildews, because liquid chromatography is used under an open condition, various microorganisms exist in the air, the mobile phases grow mildews after contacting the mobile phases, and more secondary problems are further caused after the mobile phases grow mildews, such as solvent filter head blockage, mobile phase pipeline blockage, retention time drift, filter part failure, chromatographic column damage and the like. Therefore, the mobile phase is required to be configured fresh, and the long standing time is avoided, and the standing time is generally not more than 24 hours. The user must check in time whether the mobile phase grows mildews and change the mobile phase of the mildews, thus increasing the maintenance work, often causing the use interruption of the chromatograph, and when the mildews grow seriously, the user also needs to clean important parts such as a solvent bottle, a solvent filter and the like, preventing the pollution of the mobile phase used next time, and further increasing the complexity and the specialty of the maintenance.
Disclosure of Invention
Aiming at the defects of the prior art, the invention discloses a conjoined bottle cap connected with a solvent filter head, wherein the filter head is connected with the bottle cap by the bottle cap, and the bottle cap can be reasonably used to effectively reduce the frequency of mobile phase mildew growth and greatly reduce the secondary failure of liquid chromatography caused by mildew growth.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a conjuncted bottle cap connected with solvent filter head, including the cover sleeve, also include the cover core connected in the cover sleeve, cover the solvent filter head on the cover core, set up the core seal ring or core seal protrusion between cover core and solvent filter head, and set up the seal element used for sealing the solvent bottle on the cover core; a liquid outlet and an air inlet are arranged in the cover core, the liquid outlet vertically penetrates through the cover core and is communicated with the cavity in the solvent filter head, the air inlet is positioned outside the liquid outlet, and the outlet of the air inlet is positioned on the periphery of the solvent filter head; the vertical distance between the inner wall of the top end of the solvent filter head and the outer wall of the top end of the cover core is less than 30mm.
The smaller the vertical distance between the inner wall of the top end of the solvent filter head and the outer wall of the top end of the cover core, the smaller the inner volume of the filter head, and the larger the liquid contact area, so that the generation of bubbles can be prevented.
One of the preferred schemes is as follows: the cover core is sequentially provided with a filter head connecting part, a bottle body connecting part and a cover sleeve connecting part from top to bottom, the filter head is arranged on the periphery of the filter head connecting part of the cover core, a first groove is formed in the side wall of the filter head connecting part, and the core sealing ring is arranged at the first groove; the bottle body connecting part is provided with a sealing bevel opening for sealing the solvent bottle; the cover core is connected in the cover sleeve through a cover sleeve connecting part. The proposal is that the cover core and the solvent filter head are well sealed by the core sealing ring.
The second preferred scheme is as follows: the cover core is sequentially provided with a filter head connecting part, a bottle body connecting part and a cover sleeve connecting part from top to bottom, the filter head is arranged on the periphery of the filter head connecting part of the cover core, and the side wall of the filter head connecting part is provided with a flexible core sealing bulge protruding outwards; the bottle body connecting part is provided with a sealing bevel opening for sealing the solvent bottle; the cover core is connected in the cover sleeve through a cover sleeve connecting part. The solution is to seal the cover core with the solvent filter head well by the core sealing protrusion.
In a further preferred scheme, the conjoined bottle cap further comprises a bottle sealing ring, a second groove is further formed in the bottle connecting part of the cap core, and the second groove is located on the periphery of the sealing bevel; the bottle sealing ring is arranged at the second groove. By additionally arranging the bottle sealing ring to be combined with the sealing bevel opening, the bottle sealing device is better suitable for various bottle openings and better seals a solvent bottle and a conjoined bottle cap.
In a further preferred scheme, the air inlet hole is connected with an air filter head. Can filter microorganisms in the air and further prevent solvent from growing mildews.
The cover sleeve is preferably in threaded connection with the solvent bottle, and after the cover sleeve and the solvent bottle are screwed down, the cover core is pressed tightly at the opening of the solvent bottle through pressure applied by the cover sleeve. The core sealing ring or the core sealing bulge between the cover core and the solvent filter head has the function of effectively sealing the joint of the cover core and the filter head, and the sealing piece arranged on the cover core and used for sealing the solvent bottle has various forms, such as sealing inclined openings and the like, so that the solvent bottle can be sealed.
When the device is used, the solvent bottle is connected with the conjoined bottle cap, the solvent bottle is placed in an inverted manner, the mobile phase in the solvent bottle submerges the solvent filter head of the conjoined bottle cap, after the chromatographic pump is started, the mobile phase flows out under the action of the negative pressure of the chromatographic pump and the gravity of the solvent, and external air enters through the air inlet hole and keeps balance with the atmospheric pressure; when the chromatographic instrument finishes operation and does not need to work for a long time, the solvent bottle is placed right, the mobile phase in the solvent bottle is separated from the solvent filter head, and if the mobile phase grows mildews in the placing process, the solvent filter head cannot be polluted, the solvent bottle or the mobile phase can be directly replaced, and the frequency of the mildews in the mobile phase is further reduced.
The invention is designed based on two basic principles, one is that the mobile phase is in a relatively closed state, and outside air needs to enter the mobile phase through an air filter head, so that the microbial pollution source is reduced; and secondly, the solvent filter head can be conveniently separated from the mobile phase in the solvent bottle, and when the liquid chromatogram does not work, the solvent filter head is separated from the mobile phase, so that the solvent filter head cannot be polluted even if the mobile phase generates mildews in the placing process, the normal use can be recovered after the mobile phase of the mildews is replaced, and the cross contamination cannot occur.
The reason that the bottle cap structure for preventing the mobile phase mildew is not easy to design by applying the above principle is that if the traditional solvent bottle structure is used for achieving the purpose of separating the solvent filter head from the mobile phase, the solvent filter head needs to be lifted up to be separated from the liquid level of the mobile phase, but the liquid remained in the solvent filter head flows out to cause a larger cavity volume, and after the mobile phase is put into the liquid bottle structure again, a large amount of bubbles enter a mobile phase pipeline, the movement of a one-way valve of a chromatographic pump is seriously influenced, and a liquid chromatographic column is also damaged to a certain extent; secondly, the mobile phase solvent bottle is usually made of glass, and during high-temperature production of the glass bottle, along with the loss and temperature variation of a manufacturing mold, the smoothness and the roundness of the bottle mouth can be varied, so that a certain difference exists between bottle mouths of each batch, the requirement on the design reliability of a sealing structure is high, and the existing liquid chromatography bottle cap structure often causes poor sealing; in addition, the solvent filter head is an important part of the liquid chromatogram, plays a role in preventing granular substances from entering a chromatographic pump and a part behind the pump, and needs to be replaced because the filter head has a certain service life, so that the convenience of replacing the solvent filter head needs to be considered, and the sealing degree of a contact surface of the filter head also needs to be considered; the conventional design thinking of the liquid chromatography solvent filter is that the solvent filter is separated from a bottle cap, and as a mobile phase pipeline needs to penetrate through the bottle cap and the placement depth of the solvent filter needs to be adjusted frequently according to the height of a solvent bottle, the pipeline penetrating port cannot be a sealing structure.
The cover core is tightly pressed through the cover sleeve, so that the liquid outlet pipeline and the air inlet pipeline which are connected to the cover core are prevented from being wound when the cover core is loosened and detached; the cover core is attached and sealed with the solvent bottle mouth through the surface convex part (or the sealing ring), and can adapt to the bottle mouth with large evenness range; the solvent filter head and the cover core are integrated, so that the use is convenient, and the small volume is occupied; the solvent filter head is positioned at the bottle mouth, when the bottle is used upside down, the diameter of the bottle mouth is far smaller than that of the bottle bottom, compared with the conventional liquid chromatography mobile phase using method, the solvent which can not be used at the bottom is less, and therefore the solvent is saved; the method greatly reduces the growth of mobile phase mildew, 50mmol/L ammonium dihydrogen phosphate aqueous solution (pH = 7.0), and the visible hyphae appear in 48 hours generally under the environment condition of 28 ℃ according to the conventional method for using the mobile phase of liquid chromatography. Meanwhile, the invention has the obvious innovative characteristic, and the essence of the invention is that the solvent bottle, the mobile phase pipeline, the chromatographic pump cavity and the back end part cavity are all arranged in a sealed structure and are connected with the outside only through the air inlet hole with the air filter head, thereby changing the use idea that the traditional chromatographic mobile phase is in an open placement state and solving the general problem that the mobile phase grows mildewed from the source.
Drawings
FIG. 1 is a schematic view of a conjoined bottle cap without a bottle gasket;
FIG. 2 is an exploded view of the conjoined bottle cap without the bottle sealing ring;
FIG. 3 is a schematic view of a conjoined bottle cap with a bottle sealing ring;
FIG. 4 is a schematic view of a core of a conjoined bottle cap including a bottle sealing ring;
FIG. 5 is an exploded view of a conjoined bottle cap including a bottle gasket;
fig. 6 is a schematic view showing another structure of a cap core in a connected bottle cap including a bottle packing.
Detailed Description
The present invention will be further described with reference to the following examples.
As shown in fig. 1 and fig. 2, a conjoined bottle cap connected with a solvent filter head comprises a cap sleeve (10), a cap core (9) connected in the cap sleeve (10), the solvent filter head (8) covered on the cap core (9), a core sealing ring (11) or a core sealing bulge (21) arranged between the cap core (9) and the solvent filter head (8), and a sealing element arranged on the cap core and used for sealing a solvent bottle (6); be equipped with out liquid hole (13) and inlet port (14) in lid core (9), go out liquid hole (13) and run through lid core (9) perpendicularly, with the inside cavity intercommunication of solvent filter (8), inlet port (14) are located out liquid hole (13) outside, and the export of inlet port (14) is located solvent filter (8) periphery.
As shown in fig. 4, the cover core (9) is sequentially provided with a filter head connecting portion (15), a bottle body connecting portion (16) and a cover sleeve connecting portion (20) from top to bottom, the filter head (8) is arranged on the periphery of the filter head connecting portion (15) of the cover core, a first groove (17) is formed in the side wall of the filter head connecting portion (15), and the core sealing ring (11) is arranged at the first groove (17); a sealing bevel opening (18) for sealing the solvent bottle is arranged on the bottle body connecting part (16); the cover core (9) is connected in the cover sleeve (10) through a cover sleeve connecting part (20).
As shown in fig. 6, the cover core (9) is sequentially provided with a filter head connecting part (15), a bottle body connecting part (16) and a cover sleeve connecting part (20) from top to bottom, the filter head (8) is arranged on the periphery of the filter head connecting part (15) of the cover core, and the side wall of the filter head connecting part (15) is provided with a flexible core sealing bulge (21) protruding outwards; a sealing bevel opening (18) for sealing the solvent bottle is arranged on the bottle body connecting part (16); the cover core (9) is connected in the cover sleeve (10) through a cover sleeve connecting part (20).
As shown in fig. 3, 4 and 5, the conjoined bottle cap (7) further comprises a bottle sealing ring (12), a second groove (19) is further arranged on the bottle connecting part (16) of the cap core, and the second groove (19) is positioned on the periphery of the sealing bevel opening (18); the bottle sealing ring (12) is arranged at the second groove (19).
Claims (5)
1. A conjuncted bottle cap connected with solvent filtering head, including the cover sleeve (10), its characteristic is, also include the cover core (9) connected in the cover sleeve (10), the solvent filtering head (8) covered on the cover core (9), set up the core seal ring (11) or core seal protruding (21) between cover core (9) and solvent filtering head (8), and set up the sealing element used for sealing the solvent bottle (6) on the cover core; a liquid outlet hole (13) and an air inlet hole (14) are formed in the cover core (9), the liquid outlet hole (13) vertically penetrates through the cover core (9) and is communicated with a cavity in the solvent filter head (8), the air inlet hole (14) is located on the outer side of the liquid outlet hole (13), and an outlet of the air inlet hole (14) is located on the periphery of the solvent filter head (8); the vertical distance between the inner wall of the top end of the solvent filter head (8) and the outer wall of the top end of the cover core (9) is less than 30mm.
2. The conjuncted bottle cap connected with the solvent filter according to claim 1, wherein the cap core (9) is provided with a filter connecting portion (15), a bottle connecting portion (16) and a cap sleeve connecting portion (20) from top to bottom in sequence, the filter (8) is arranged at the periphery of the filter connecting portion (15) of the cap core, the side wall of the filter connecting portion (15) is provided with a first groove (17), and the core sealing ring (11) is arranged at the first groove (17); a sealing bevel opening (18) for sealing the solvent bottle is arranged on the bottle body connecting part (16); the cover core (9) is connected in the cover sleeve (10) through a cover sleeve connecting part (20).
3. The conjoined bottle cap connected with the solvent filter head as claimed in claim 1, wherein the cap core (9) is provided with a filter head connecting part (15), a bottle body connecting part (16) and a cap sleeve connecting part (20) in sequence from top to bottom, the filter head (8) is arranged at the periphery of the filter head connecting part (15) of the cap core, and the side wall of the filter head connecting part (15) is provided with a flexible core sealing bulge (21) protruding outwards; a sealing bevel opening (18) for sealing the solvent bottle is arranged on the bottle body connecting part (16); the cover core (9) is connected in the cover sleeve (10) through a cover sleeve connecting part (20).
4. The conjuncted bottle cap of claim 2 or 3, wherein the conjuncted bottle cap (7) further comprises a bottle sealing ring (12), the bottle body connecting portion (16) of the cap core is further provided with a second groove (19), and the second groove (19) is located at the periphery of the sealing bevel (18); the bottle sealing ring (12) is arranged at the second groove (19).
5. The bottle cap connected to the solvent filter head as claimed in one of claims 1 to 3, wherein the air inlet hole (14) is connected to the air filter head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710635620.6A CN107352155B (en) | 2017-07-31 | 2017-07-31 | Conjuncted bottle cap connected with solvent filter head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710635620.6A CN107352155B (en) | 2017-07-31 | 2017-07-31 | Conjuncted bottle cap connected with solvent filter head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107352155A CN107352155A (en) | 2017-11-17 |
| CN107352155B true CN107352155B (en) | 2023-03-21 |
Family
ID=60284949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710635620.6A Active CN107352155B (en) | 2017-07-31 | 2017-07-31 | Conjuncted bottle cap connected with solvent filter head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107352155B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0450182B1 (en) * | 1990-03-02 | 1996-07-03 | Hewlett-Packard Company | Reusable cap with integral high pressure seal and method for use |
| US7704388B2 (en) * | 2006-01-31 | 2010-04-27 | Luknova, Inc | Reusable liquid chromatographic columns |
| US8272255B2 (en) * | 2006-05-22 | 2012-09-25 | 3M Innovative Properties Company | System and method for preparing samples |
| CN201632270U (en) * | 2010-03-30 | 2010-11-17 | 广东中烟工业有限责任公司 | Dustproof cover of liquid chromatogram mobile phase bottle |
| CN201980546U (en) * | 2010-12-31 | 2011-09-21 | 大连依利特分析仪器有限公司 | Liquid-chromatogram solvent bottle cover |
| CN104097843B (en) * | 2014-07-28 | 2016-08-24 | 武汉五景药业有限公司 | A kind of aseptic filtration type bottle cap |
-
2017
- 2017-07-31 CN CN201710635620.6A patent/CN107352155B/en active Active
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| Publication number | Publication date |
|---|---|
| CN107352155A (en) | 2017-11-17 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A joint bottle cap connected to a solvent filter head Effective date of registration: 20230720 Granted publication date: 20230321 Pledgee: China Merchants Bank Co.,Ltd. Changsha Branch Pledgor: HUNAN DEMETER INSTRUMENT CO.,LTD. Registration number: Y2023980049129 |
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Granted publication date: 20230321 Pledgee: China Merchants Bank Co.,Ltd. Changsha Branch Pledgor: HUNAN DEMETER INSTRUMENT CO.,LTD. Registration number: Y2023980049129 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |