CN104633182A - Column-position valve - Google Patents
Column-position valve Download PDFInfo
- Publication number
- CN104633182A CN104633182A CN201510084659.4A CN201510084659A CN104633182A CN 104633182 A CN104633182 A CN 104633182A CN 201510084659 A CN201510084659 A CN 201510084659A CN 104633182 A CN104633182 A CN 104633182A
- Authority
- CN
- China
- Prior art keywords
- hole
- groove
- valve
- post position
- rotor
- 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.)
- Pending
Links
- 238000001802 infusion Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/072—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members
- F16K11/074—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members with flat sealing faces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/16—Injection
- G01N30/20—Injection using a sampling valve
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/16—Injection
- G01N30/20—Injection using a sampling valve
- G01N2030/204—Linearly moving valves, e.g. sliding valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a column-position valve. When the column-position valve is in a first operating state, a first hole is communicated with a third hole, moving phase directly enters a detector without passing through a chromatographic column, and accordingly a Bypass function is realized; when the column-position valve is in a second operating state, the first hole is communicated with a fourth hole, a second hole is communicated with the third hole, and the moving phase can flow through the chromatographic column from top to bottom to enter the detector, and accordingly a DownFlow function is realized; when the column-position valve is in a third operating state, the first hole is communicated with the second hole, the third hole is communicated with the fourth hole, the moving phase can flow through the chromatographic column from bottom to top so as to enter the detector, and accordingly an UpFlow function is realized. The operating states of the column-position valve are switched by rotation of a rotor, one valve has three different functions, and performance is good. The different operating states of the column-position valve can be switched intelligently by software.
Description
Technical field
the present invention relates to a kind of post position valve.
Background technique
liquid chromatogram instrument is the difference utilizing mixture distribution ratio between liquid-solid or immiscible two kinds of liquid, is first separated, the instrument of then Analysis and Identification or preparation to mixture.When to analyze sample utilizing liquid chromatogram instrument or prepare, design path is needed to enable to realize following functions: 1.ByPass(is not when needing mobile phase to enter detector, and when maybe needing to rinse detector, mobile phase by-passing directly enters detector); 2. chromatographic column flows to the top of DownFlow(and infusion pump connection chromatographic column, and detector is connected, by the top Injection Detector of the mobile phase in chromatographic column by chromatographic column in the bottom of chromatographic column); 3. chromatographic column flows to the bottom of UpFlow(and infusion pump connection chromatographic column, and detector is connected, by the bottom Injection Detector of the mobile phase in chromatographic column by chromatographic column in the top of chromatographic column).And in prior art, then need to change different valves to realize above-mentioned difference in functionality, it is very inconvenient to operate.
Summary of the invention
in order to solve the problem, the object of the present invention is to provide a kind of post position valve, above-mentioned difference in functionality can be realized by a valve.
in order to reach above object, the technical solution used in the present invention is: a kind of post position valve, it comprises stator, rotate with stator the rotor be connected, stator have the first hole be connected with infusion pump, the second hole be connected with one end of chromatographic column, the 3rd hole be connected with detector, the 4th hole that is connected with the other end of chromatographic column, the first hole, the second hole, the 3rd hole, the 4th hole equal angles and distributing successively equidistantly centered by the rotation axis of rotor; Rotor have the first groove and two the second grooves;
post position valve has at least three working staties, and when it is in the first working state, the first groove is connected with the 3rd hole with the first hole respectively; When post position valve is in the second working state, second groove is connected with the 4th hole with the first hole respectively, and another second groove is connected with the 3rd hole with the second hole respectively; When post position valve is in the 3rd working state, second groove is connected with the second hole with the first hole respectively, and another second groove is connected with the 4th hole with the 3rd hole respectively.
further, if the distance between the first hole and the second hole is L, distance between first hole and the rotation axis of rotor is R, and the length direction of the first groove is vertical and crossing with the rotation axis of rotor, and one end of the first groove and the distance between its other end and the rotation axis of rotor are R.Further, the first groove is lineal shape.
further, one end of each second groove and the distance between its other end and the rotation axis of rotor are R, and the distance between one end of the second groove and one end of the first groove is L, and the distance between the other end of the second groove and the other end of the first groove is also L.Further, the second groove is lineal shape.
further, two the second grooves lay respectively at the both sides of the first groove, and are symmetrical arranged about the length direction of the first groove.
further, the second hole is connected with the lower end of chromatographic column, and the 4th hole is connected with the upper end of chromatographic column.
further, the first hole, the second hole, the 3rd hole, the 4th hole are through hole.
owing to adopting technique scheme, post position of the present invention valve is when the first working state, and the first hole is connected with the 3rd hole, and mobile phase directly enters detector without chromatographic column, thus realizes the function of Bypass; Post position valve is when the second working state, and the first hole is communicated with the 4th hole, and the second hole is communicated with the 3rd hole, and mobile phase can flow through chromatographic column from the top down and enter detector, thus realizes the function of DownFlow; Post position valve is when the 3rd working state, and the first hole is communicated with the second hole, and the 3rd hole is communicated with the 4th hole, and mobile phase can flow through chromatographic column from bottom to top and enter detector, thus realizes the function of UpFlow.
post position of the present invention valve switches the working state of post position valve by the rotation of rotor, make a valve achieve three kinds of difference in functionalitys, and functional.The different operating state of this post position valve switches can by the switching of software intelligence.
Accompanying drawing explanation
accompanying drawing 1 is the structural representation of the stator of post position of the present invention valve;
accompanying drawing 2 is the structural representation of another angle of the stator of post position of the present invention valve;
accompanying drawing 3 is the structural representation of the rotor of post position of the present invention valve;
accompanying drawing 4a is post position of the present invention valve stream schematic diagram in the first operative state;
accompanying drawing 4b is post position valve rotor of the present invention structural representation in the first operative state;
accompanying drawing 5a is post position of the present invention valve stream schematic diagram in a second operative state;
accompanying drawing 5b is post position valve rotor of the present invention structural representation in a second operative state;
accompanying drawing 6a is the stream schematic diagram of post position of the present invention valve under the 3rd working state;
accompanying drawing 6b is the structural representation of post position of the present invention valve rotor under the 3rd working state.
number in the figure is:
10, stator; 11, the first hole; 12, the second hole; 13, the 3rd hole; 14, the 4th hole
20, rotor; 21, the first groove; 22, the second groove;
30, chromatographic column.
Embodiment
below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
as can be seen from the structural representation of accompanying drawing 1 to accompanying drawing 6, present embodiments provide a kind of post position valve, it comprises stator 10, rotate with stator 10 rotor 20 be connected.
stator 10 has the first hole 11 be connected with infusion pump, the second hole 12 be connected with one end of chromatographic column 30, the 3rd hole 13 be connected with detector, the 4th hole 12, hole 11, second, hole 14, first be connected with the other end of chromatographic column 30, the 3rd hole 13, the 4th hole 14 equal angles and distributing successively equidistantly centered by the rotation axis of rotor 20.In the present embodiment, the second hole 12 is connected with the lower end of chromatographic column 30, and the 4th hole 14 is connected with the upper end of chromatographic column 30.First hole 12, hole 11, second, the 3rd hole 13, the 4th hole 14 are through hole.
rotor 20 have the first groove 21 and two the second grooves 22.Two the second grooves 22 lay respectively at the both sides of the first groove 21, and are symmetrical arranged about the length direction of the first groove 21.If the distance between the first hole 11 and the second hole 12 is L, distance between first hole 11 and the rotation axis of rotor 20 is R, the length direction of the first groove 11 is vertical and crossing with the rotation axis of rotor 20, and the distance between one end of the first groove 21 and the rotation axis of its other end and rotor 20 is R.First groove 21 is lineal shape.Distance between one end of each second groove 22 and the rotation axis of its other end and rotor 20 is R, and the distance between one end of the second groove 22 and one end of the first groove 21 is L, and the distance between the other end of the second groove 22 and the other end of the first groove 21 is also L.Second groove 22 is lineal shape.
post position valve has at least three working staties, when it is in the first working state, first groove 21 is connected with the 3rd hole 13 with the first hole 11 respectively, under this state, first hole 11 is connected with the 3rd hole 13, mobile phase directly enters detector without chromatographic column 30, thus realizes the function of Bypass, now also can rinse detector; When post position valve is in the second working state, second groove 22 is connected with the 4th hole 14 with the first hole 11 respectively, another second groove 22 is connected with the 3rd hole 13 with the second hole 12 respectively, under this state, first hole 11 is communicated with the 4th hole 14, second hole 12 is communicated with the 3rd hole 13, and mobile phase can flow through chromatographic column 30 from the top down and enter detector, thus realizes the function of DownFlow; When post position valve is in the 3rd working state, second groove 22 is connected with the second hole 12 with the first hole 11 respectively, another second groove 22 is connected with the 4th hole 14 with the 3rd hole 13 respectively, under this state, first hole 11 is communicated with the second hole 12,3rd hole 13 is communicated with the 4th hole 14, and mobile phase can flow through chromatographic column 30 from bottom to top and enter detector, thus realizes the function of UpFlow.
post position of the present invention valve switches the working state of post position valve by the rotation of rotor 20, make a valve achieve above-mentioned three kinds of difference in functionalitys, and functional.The different operating state of this post position valve switches can by the switching of software intelligence.
above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (8)
1. a post position valve, it comprises stator (10), to rotate the rotor (20) be connected with described stator (10), it is characterized in that: described stator (10) has the first hole (11) be connected with infusion pump, the second hole (12) be connected with one end of chromatographic column (30), the 3rd hole (13) be connected with detector, the 4th hole (14) be connected with the other end of chromatographic column (30), described the first hole (11), second hole (12), 3rd hole (13), 4th hole (14) equal angles and distributing successively equidistantly centered by the rotation axis of rotor (20), described rotor (20) have the first groove (21) and two the second grooves (22),
Described post position valve has at least three working staties, and when it is in the first working state, described the first groove (21) is connected with the 3rd hole (13) with the first hole (11) respectively; When post position valve is in the second working state, the second groove (22) described in is connected with the 4th hole (14) with the first hole (11) respectively, and the second groove (22) described in another is connected with the 3rd hole (13) with the second hole (12) respectively; When post position valve is in the 3rd working state, the second groove (22) described in is connected with the second hole (12) with the first hole (11) respectively, and the second groove (22) described in another is connected with the 4th hole (14) with the 3rd hole (13) respectively.
2. post position according to claim 1 valve, it is characterized in that: set distance between described first hole (11) and the second hole (12) as L, distance between described first hole (11) and the rotation axis of rotor (20) is R, the length direction of described the first groove (11) is vertical and crossing with the rotation axis of rotor (20), and the distance between the rotation axis of one end of the first groove (21) and its other end and rotor (20) is R.
3. post position according to claim 1 and 2 valve, is characterized in that: described the first groove (21) is lineal shape.
4. post position according to claim 2 valve, it is characterized in that: the one end of the second groove (22) described in each and the distance between the rotation axis of its other end and rotor (20) are R, distance between one end of second groove (22) and one end of the first groove (21) is L, and the distance between the other end of the second groove (22) and the other end of the first groove (21) is also L.
5. the post position valve according to claim 1 or 4, is characterized in that: described the second groove (22) is lineal shape.
6. the post position valve according to claim 1 or 4, is characterized in that: two described the second grooves (22) lay respectively at the both sides of the first groove (21), and are symmetrical arranged about the length direction of the first groove (21).
7. post position according to claim 1 valve, is characterized in that: described the second hole (12) is connected with the lower end of chromatographic column (30), and the 4th described hole (14) is connected with the upper end of chromatographic column (30).
8. post position according to claim 1 valve, is characterized in that: described the first hole (11), the second hole (12), the 3rd hole (13), the 4th hole (14) are through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510084659.4A CN104633182A (en) | 2015-02-16 | 2015-02-16 | Column-position valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510084659.4A CN104633182A (en) | 2015-02-16 | 2015-02-16 | Column-position valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104633182A true CN104633182A (en) | 2015-05-20 |
Family
ID=53212252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510084659.4A Pending CN104633182A (en) | 2015-02-16 | 2015-02-16 | Column-position valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104633182A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541094A (en) * | 2018-12-11 | 2019-03-29 | 苏州英赛斯智能科技有限公司 | A kind of selector valve and liquid-chromatography apparatus |
| CN110864139A (en) * | 2019-12-02 | 2020-03-06 | 北京华创精科生物技术有限公司 | Column position valve |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4242909A (en) * | 1979-04-19 | 1981-01-06 | Rheodyne Incorporated | Sample injector |
| CN101675329A (en) * | 2007-09-28 | 2010-03-17 | 株式会社岛津制作所 | Sample introduction device |
| CN101680861A (en) * | 2007-05-15 | 2010-03-24 | 通用电气健康护理生物科学股份公司 | flow distribution valve |
| CN101687192A (en) * | 2007-01-26 | 2010-03-31 | 泰里迪尼爱斯科公司 | Valve |
| CN102472400A (en) * | 2009-06-29 | 2012-05-23 | 株式会社岛津制作所 | Liquid chromatograph system |
| WO2014031069A1 (en) * | 2012-08-22 | 2014-02-27 | Ge Healthcare Bio-Sciences Ab | Versatile rotary valve |
| CN104297390A (en) * | 2014-10-23 | 2015-01-21 | 佛山市南海区环境保护监测站 | Chromatographic analysis method |
| CN204477386U (en) * | 2015-02-16 | 2015-07-15 | 苏州赛谱仪器有限公司 | Post position valve |
-
2015
- 2015-02-16 CN CN201510084659.4A patent/CN104633182A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4242909A (en) * | 1979-04-19 | 1981-01-06 | Rheodyne Incorporated | Sample injector |
| CN101687192A (en) * | 2007-01-26 | 2010-03-31 | 泰里迪尼爱斯科公司 | Valve |
| CN101680861A (en) * | 2007-05-15 | 2010-03-24 | 通用电气健康护理生物科学股份公司 | flow distribution valve |
| CN101675329A (en) * | 2007-09-28 | 2010-03-17 | 株式会社岛津制作所 | Sample introduction device |
| CN102472400A (en) * | 2009-06-29 | 2012-05-23 | 株式会社岛津制作所 | Liquid chromatograph system |
| WO2014031069A1 (en) * | 2012-08-22 | 2014-02-27 | Ge Healthcare Bio-Sciences Ab | Versatile rotary valve |
| CN104297390A (en) * | 2014-10-23 | 2015-01-21 | 佛山市南海区环境保护监测站 | Chromatographic analysis method |
| CN204477386U (en) * | 2015-02-16 | 2015-07-15 | 苏州赛谱仪器有限公司 | Post position valve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541094A (en) * | 2018-12-11 | 2019-03-29 | 苏州英赛斯智能科技有限公司 | A kind of selector valve and liquid-chromatography apparatus |
| CN109541094B (en) * | 2018-12-11 | 2024-07-09 | 苏州英赛斯智能科技有限公司 | Selector valve and liquid chromatography device |
| CN110864139A (en) * | 2019-12-02 | 2020-03-06 | 北京华创精科生物技术有限公司 | Column position valve |
| CN110864139B (en) * | 2019-12-02 | 2021-10-26 | 北京华创精科生物技术有限公司 | Column position valve |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150520 |