CN205815185U - A kind of liquid chromatography separation column - Google Patents

A kind of liquid chromatography separation column Download PDF

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Publication number
CN205815185U
CN205815185U CN201620792587.9U CN201620792587U CN205815185U CN 205815185 U CN205815185 U CN 205815185U CN 201620792587 U CN201620792587 U CN 201620792587U CN 205815185 U CN205815185 U CN 205815185U
Authority
CN
China
Prior art keywords
end cover
detached dowel
cylinder
separation column
liquid chromatography
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.)
Expired - Fee Related
Application number
CN201620792587.9U
Other languages
Chinese (zh)
Inventor
孙言春
张大雷
刘玉勇
金海涛
宋怿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heilongjiang River Fisheries Research Institute of Chinese Academy of Fishery Sciences
Original Assignee
Heilongjiang River Fisheries Research Institute of Chinese Academy of Fishery Sciences
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Heilongjiang River Fisheries Research Institute of Chinese Academy of Fishery Sciences filed Critical Heilongjiang River Fisheries Research Institute of Chinese Academy of Fishery Sciences
Priority to CN201620792587.9U priority Critical patent/CN205815185U/en
Application granted granted Critical
Publication of CN205815185U publication Critical patent/CN205815185U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

nullThe utility model discloses a kind of liquid chromatography separation column,Including distributing damper、Upper end cover、Detached dowel cylinder、Bottom end cover and adsorbent,The two ends of described detached dowel cylinder are provided with cylinder external screw thread wall,Detached dowel cylinder upper end connects upper end cover,Detached dowel cylinder lower end connects bottom end cover,Described upper end cover center connects feed tube,Inlet opening it is provided with in feed tube,Distributing damper is connected by many air springs on upper end cover medial surface,Some tap holes are offered on distributing damper,It is provided with filter disc below described bottom end cover,It is filled with adsorbent in detached dowel cylinder below upper filter disc,Lower filter disc it is provided with below adsorbent,Described upper end cover center connects drain pipe,Liquid outlet it is provided with in drain pipe,Described a kind of liquid chromatography separation column,Simple in construction,Assembly and disassembly are convenient,Good seal performance,Make the flowing of flowing phase evenly,Avoid wall flow phenomenon,Improve productivity and quality,Extend the service life of chromatography column.

Description

A kind of liquid chromatography separation column
Technical field
This utility model relates to chromatography instrument field, specifically a kind of liquid chromatography separation column.
Background technology
Chromatograph of liquid specifically includes that several part-structures such as high pressure pump, injector, chromatographic column, detector, Qi Zhongse Spectrum post is referred to as chromatographic heart, and the quality of column performance directly affects the separation of whole chromatographic system, analyzes detection Effect.One brace has high separation, the chromatographic column of Gao Zhuxiao is occupied very important in the separation, analysis detection of chromatograph of liquid Status, be to ensure that good separation, analyze testing result the most important condition.
But at present, during the use of chromatographic column, chromatographic column stigma collapse phenomenon is of common occurrence, after chromatographic column is subsided Causing dead volume to dramatically increase, peak type is deteriorated, and separating degree is decreased obviously, and post effect significantly reduces.Conventional adjustment mode is for screwing In gland changes inside gland, pressure cap stretches into length in column jecket, thus changes the distance between the filler in sieve plate and column jecket, needs To regulate manually, often because adjusting not in time, to cause post effect to reduce, affect efficiency and quality that flowing is separated.
Current chromatographic column assembly and disassembly inconvenience, the most a certain parts are damaged, and whole chromatographic column will make With, this chromatography column is unrenewable after damaging, and adds cost of manufacture and use cost, and may send out during band press operation The chromatograph stigma of raw flowing phase seepage and chromatography column comes off, and sealing effectiveness is poor.
Summary of the invention
The purpose of this utility model is to provide a kind of liquid chromatography separation column, to solve proposition in above-mentioned background technology Problem.
For achieving the above object, the following technical scheme of this utility model offer:
A kind of liquid chromatography separation column, including distributing damper, upper end cover, detached dowel cylinder, bottom end cover and adsorbent, described The two ends of detached dowel cylinder are provided with cylinder external screw thread wall, and detached dowel cylinder upper end connects upper end cover, and detached dowel cylinder lower end is even Connecing bottom end cover, described upper end cover center connects feed tube, is provided with inlet opening in feed tube, by many on upper end cover medial surface Root air spring connects distributing damper, distributing damper offers some tap holes, is provided with filter disc below described bottom end cover, on Being filled with adsorbent in detached dowel cylinder below filter disc, be provided with lower filter disc below adsorbent, described upper end cover center connects There is drain pipe, in drain pipe, be provided with liquid outlet.
As further program of the utility model: described detached dowel cylinder is the column-shaped barrel knot of polyether-ether-ketone material Structure.
As further program of the utility model: described upper end cover and bottom end cover are respectively provided with detached dowel cylinder junction There are end cap female thread wall, cylinder external screw thread wall and end cap female thread wall compact siro spinning technology.
As further program of the utility model: described detached dowel cylinder top and upper end cover junction are provided with upper close Seal washer, detached dowel cylinder bottom and bottom end cover junction are provided with lower sealing washer.
As further program of the utility model: the external diameter size of described distributing damper is equal to the internal diameter of detached dowel cylinder Size.
As further program of the utility model: described distributing damper, surround between detached dowel cylinder and upper end cover point Join chamber, inlet opening connection distribution cavity.
As further program of the utility model: described detached dowel cylinder inboard wall is provided with some protruding rings.
Compared with prior art, the beneficial effects of the utility model are: described a kind of liquid chromatography separation column, structure letter Single, assembly and disassembly are convenient, it is simple to part replacement, be conducive to reusing of other parts, save manufacturing cost and use Cost, good seal performance, make the flowing of flowing phase evenly, it is to avoid wall flow phenomenon, improve productivity and quality, it is to avoid post is imitated Reduce phenomenon, extend the service life of chromatography column, it is not necessary to people manually regulate, time saving and energy saving.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-upper sealing washer, 2-air spring, 3-distributing damper, 4-inlet opening, 5-feed tube, 6-tap hole, 7- Distribution cavity, 8-upper end cover, 9-end cap female thread wall, the upper filter disc of 10-, 11-detached dowel cylinder, 12-bottom end cover, 13-lower seal pad Filter disc, 17-adsorbent, 18-protruding ring, 19-cylinder external screw thread wall under circle, 14-drain pipe, 15-liquid outlet, 16-.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Referring to Fig. 1, in this utility model embodiment, a kind of liquid chromatography separation column, including distributing damper 3, upper end cover 8, detached dowel cylinder 11, bottom end cover 12 and adsorbent 17, described detached dowel cylinder 11 is the column-shaped barrel knot of polyether-ether-ketone material Structure, polyether-ether-ketone material has higher mechanical strength, and compared with glass material or stainless steel, polyether-ether-ketone material will not Interference separates and purifying technique, and has outstanding chemical-resistant;The two ends of detached dowel cylinder 11 are provided with the outer spiral shell of cylinder Stricture of vagina wall 19, detached dowel cylinder 11 upper end connects upper end cover 8, and detached dowel cylinder 11 lower end connects bottom end cover 12, described upper end cover 8 He Bottom end cover 12 and detached dowel cylinder 11 junction are provided with end cap female thread wall 9, in described cylinder external screw thread wall 19 and end cap Threaded walls 9 compact siro spinning technology, detached dowel cylinder 11 two ends connect upper end cover 8 and bottom end cover 12 respectively, and assembly and disassembly are convenient, work as color When spectrum detached dowel goes wrong, it is simple to detached dowel cylinder 11, upper end cover 8 or bottom end cover 12 are carried out part replacement, it is not necessary to overall Formula abandons, and is conducive to reusing of other parts, it is to avoid tradition chromatography column single use, saves manufacturing cost and makes Use cost;Described detached dowel cylinder 11 top and upper end cover 8 junction are provided with upper sealing washer 1, detached dowel cylinder 11 bottom Bottom end cover 12 junction is provided with lower sealing washer 13, upper sealing washer 1 and lower sealing washer 13 and adds detached dowel cylinder The sealing property being connected between 11 with upper end cover 8 and bottom end cover 12.
Described upper end cover 8 center connects feed tube 5, is provided with inlet opening 4 in feed tube 5, logical on upper end cover 8 medial surface Too much root air spring 2 connects distributing damper 3, distributing damper 3 offers some tap holes 6, the external diameter size of distributing damper 3 Equal to the internal diameter size of detached dowel cylinder 11, between described distributing damper 3, detached dowel cylinder 11 and upper end cover 8, surround distribution cavity 7, inlet opening 4 connects distribution cavity 7, is easy to inject in distribution cavity 7 flowing mutually by the inlet opening 4 in feed tube 5, through shunting Some tap holes 6 on baffle plate 3 are dispersed, make the flowing of flowing phase evenly, improve the efficiency separated.
It is provided with filter disc 10 below described bottom end cover 12, in the detached dowel cylinder 11 below upper filter disc 10, is filled with adsorbent 17, detached dowel cylinder 11 inwall is provided with some protruding rings 18, is provided with lower filter disc 16, in described upper end cover 8 below adsorbent 17 Connecting at the heart and have drain pipe 14, be provided with liquid outlet 15 in drain pipe 14, flowing sequentially passes through filter disc 10, absorption mutually from top to bottom Agent 17 and lower filter disc 16 separate, and after separation, sample exports from drain pipe 14, effectively realize the separation of flowing phase, detached dowel cylinder 11 On inwall some protruding rings 18 arrange effectively prevent flowing hand down adsorbent 17 and detached dowel cylinder 11 medial surface flowing, enter one Step avoids wall flow phenomenon, improves productivity and quality.
During life-time service, owing to detached dowel cylinder 11 internal adsorption agent 17 is easily subsided, cause post effect to reduce rapidly and cannot Using, many air springs 2 bottom upper end cover 8 are pressed down against distributing damper 3, in change between filter disc 10 and adsorbent 17 Distance, fills up dead volume in detached dowel cylinder 11, it is to avoid post effect reduces phenomenon, extends the service life of chromatography column, nothing People are needed manually to regulate, time saving and energy saving.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this practicality in other specific forms new Type.Therefore, no matter from the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, this practicality is new The scope of type is limited by claims rather than described above, it is intended that by the containing of equivalency in claim that fall All changes in justice and scope are included in this utility model.Should not be considered as any reference in claim limiting Involved claim.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only wraps Containing an independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should Description can also be formed those skilled in the art through appropriately combined as an entirety, the technical scheme in each embodiment May be appreciated other embodiments.

Claims (7)

1. a liquid chromatography separation column, including distributing damper, upper end cover, detached dowel cylinder, bottom end cover and adsorbent, its feature Being, the two ends of described detached dowel cylinder are provided with cylinder external screw thread wall, and detached dowel cylinder upper end connects upper end cover, separate column casing Body lower end connects bottom end cover, and described upper end cover center connects feed tube, is provided with inlet opening, upper end cover medial surface in feed tube On connect distributing dampers by many air springs, distributing damper offers some tap holes, is provided with below described bottom end cover Upper filter disc, is filled with adsorbent in the detached dowel cylinder below upper filter disc, is provided with lower filter disc, in described upper end cover below adsorbent Connect at the heart and have drain pipe, in drain pipe, be provided with liquid outlet.
A kind of liquid chromatography separation column the most according to claim 1, it is characterised in that described detached dowel cylinder is polyethers ether The column-shaped barrel structure of ketone material.
A kind of liquid chromatography separation column the most according to claim 1, it is characterised in that described upper end cover and bottom end cover with point End cap female thread wall, cylinder external screw thread wall and end cap female thread wall compact siro spinning technology it is provided with from column casing body junction.
A kind of liquid chromatography separation column the most according to claim 1, it is characterised in that described detached dowel cylinder top is with upper End cap junction is provided with upper sealing washer, and detached dowel cylinder bottom and bottom end cover junction are provided with lower sealing washer.
A kind of liquid chromatography separation column the most according to claim 1, it is characterised in that the external diameter size of described distributing damper Internal diameter size equal to detached dowel cylinder.
A kind of liquid chromatography separation column the most according to claim 1, it is characterised in that described distributing damper, separation column casing Distribution cavity, inlet opening connection distribution cavity is surrounded between body and upper end cover.
A kind of liquid chromatography separation column the most according to claim 1, it is characterised in that set on described detached dowel cylinder inboard wall There are some protruding rings.
CN201620792587.9U 2016-07-27 2016-07-27 A kind of liquid chromatography separation column Expired - Fee Related CN205815185U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620792587.9U CN205815185U (en) 2016-07-27 2016-07-27 A kind of liquid chromatography separation column

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620792587.9U CN205815185U (en) 2016-07-27 2016-07-27 A kind of liquid chromatography separation column

Publications (1)

Publication Number Publication Date
CN205815185U true CN205815185U (en) 2016-12-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620792587.9U Expired - Fee Related CN205815185U (en) 2016-07-27 2016-07-27 A kind of liquid chromatography separation column

Country Status (1)

Country Link
CN (1) CN205815185U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107261559A (en) * 2017-07-13 2017-10-20 江苏联宇医疗器械有限公司 A kind of pharmaceutical chromatographic column
CN110208445A (en) * 2019-07-09 2019-09-06 常州三泰科技有限公司 Liquid-phase chromatographic column column tube and liquid-phase chromatographic column
CN111239309A (en) * 2020-01-20 2020-06-05 安徽省先锋制药有限公司 High performance liquid chromatography column

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107261559A (en) * 2017-07-13 2017-10-20 江苏联宇医疗器械有限公司 A kind of pharmaceutical chromatographic column
CN110208445A (en) * 2019-07-09 2019-09-06 常州三泰科技有限公司 Liquid-phase chromatographic column column tube and liquid-phase chromatographic column
CN111239309A (en) * 2020-01-20 2020-06-05 安徽省先锋制药有限公司 High performance liquid chromatography column

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161221

Termination date: 20180727