CN103423483B - valve and chromatograph - Google Patents
valve and chromatograph Download PDFInfo
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- CN103423483B CN103423483B CN201310411282.XA CN201310411282A CN103423483B CN 103423483 B CN103423483 B CN 103423483B CN 201310411282 A CN201310411282 A CN 201310411282A CN 103423483 B CN103423483 B CN 103423483B
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Abstract
The invention provides a kind of valve and chromatograph.Valve, comprises stators and rotators, and described stator Shang Raoqi center is provided with at least two the first attachment holes and several second attachment holes; Described rotor is provided with the arc-shaped slot corresponding with described first attachment hole around its center, and described rotor is also provided with the groove corresponding with described arc-shaped slot and connecting groove, and described groove is communicated with described arc-shaped slot is formed groove structure by described connecting groove; Described rotor is attached on described stator, and described arc-shaped slot is communicated with corresponding described first attachment hole, and described groove is communicated with corresponding described second attachment hole.By being provided with arc-shaped slot on rotor, different groove structures can being realized and be communicated with the second corresponding attachment hole respectively, obtaining more kinds of mode of communicating, realize enriched valve selection function, enhance versatility.
Description
Technical field
The present invention relates to mechanical device, particularly relate to a kind of valve and chromatograph.
Background technique
Chromatograph application chromatography carries out the instrument of qualitative and quantitative analysis to material.Chromatograph is equipped with valve usually, selects different quantity tubes by valve.As Figure 1-Figure 2, valve of the prior art comprises stator 100 and rotor 200, stator 100 is along the circumferential direction provided with multiple through hole 101, and rotor 200 is provided with many grooves 201, stator 100 to be provided with six through holes 101, on rotor 200, correspondence is provided with three grooves 201, by rotary rotor 200, can realize being communicated with between two through holes 101 adjacent on stator 100.See Fig. 1 and Fig. 2, by rotary rotor 200, can only realize two kinds of connected states, cause the selection function of valve in prior art single, versatility is poor, uses inconvenience.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of valve and chromatograph, and the selection function solving valve in prior art is single, and versatility is poor, uses inconvenient defect, realizes selection function, the enhancing versatility of enriching valve, with easy to use.
Technological scheme provided by the invention is, a kind of valve, comprises stators and rotators, and described stator Shang Raoqi center is provided with at least two the first attachment holes and several second attachment holes; Described rotor is provided with the arc-shaped slot corresponding with described first attachment hole around its center, and described rotor is also provided with the groove corresponding with described arc-shaped slot and connecting groove, and described groove is communicated with described arc-shaped slot is formed groove structure by described connecting groove; Described rotor is attached on described stator, and described arc-shaped slot is communicated with corresponding described first attachment hole, and described groove is communicated with corresponding described second attachment hole.
Further, the center of circle of described second attachment hole is distributed in in the circular trace that is the center of circle of the center of described stator.
Further, the center of circle of multiple described second attachment hole is distributed in the center of described stator respectively as center of circle radius is in different multiple circular traces.
Further, described stator is provided with the auxiliary circle curve bath corresponding with described first attachment hole, described auxiliary circle curve bath is communicated with described first attachment hole, the radius of described auxiliary circle curve bath is identical with the radius of corresponding described arc-shaped slot, and described arc-shaped slot is communicated with described first attachment hole by described auxiliary circle curve bath.
Further, the arc length of described auxiliary circle curve bath is not less than the arc length of described arc-shaped slot corresponding with it.
Further, described groove, described connecting groove and described arc-shaped slot are an integral channel structure.
Further, described stator is provided with boss structure, described first attachment hole and described second attachment hole are distributed on the surface of described boss structure, and described rotor is attached on the surface of described boss structure.
Further, described stator is also fixedly connected with valve head, described valve head is provided with first external tapping corresponding with described first attachment hole, described valve head Shang Raoqi center is provided with the second external tapping corresponding to multiple and described second attachment hole, described first external tapping is communicated with corresponding described first attachment hole, described second external tapping is communicated with corresponding described second attachment hole, and multiple described second external tapping is that divergent shape setting or multiple described second external tapping are distributed on the circumferential side wall of described valve head along the internal surface of described valve head to outer surface direction.
Further, described valve is mortor operated valve or manually operated valve.
The present invention also provides a kind of chromatograph, comprises many quantity tubes, also comprises above-mentioned valve, and described quantity tube to be connected in described valve between two the second attachment holes; Described chromatograph is Ion Chromatograph or liquid chromatograph.
Valve provided by the invention and chromatograph, by being provided with arc-shaped slot on rotor, in rotor turns process, different groove structures can be realized be communicated with the second corresponding attachment hole respectively, thus more kinds of mode of communicating can be obtained, realize can selecting multiple quantity tube by valve, realize the function of many turns, operator can according to the quantity of quantity tube, corresponding setting second attachment hole that connect corresponding to quantity tube, just can realize different quantity tubes by rotary rotor to work, realize having enriched the selection function of valve, enhance versatility, with easy to use.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the assembling schematic diagram one of stators and rotators in valve in prior art;
Fig. 2 is the assembling schematic diagram two of stators and rotators in valve in prior art;
Fig. 3 is the structural representation of valve embodiments of the present invention;
Fig. 4 is the assembling schematic diagram one of stators and rotators in valve embodiments of the present invention;
Fig. 5 is the structural representation one of stator in valve embodiments of the present invention;
Fig. 6 is the structural representation one of valve embodiments rotor of the present invention;
Fig. 7 is the assembling schematic diagram two of stators and rotators in valve embodiments of the present invention;
Fig. 8 is the structural representation two of stator in valve embodiments of the present invention;
Fig. 9 is the structural representation two of valve embodiments rotor of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in figures 3 to 6, the present embodiment valve, comprise stator 1 and rotor 2, stator 1 Shang Raoqi center is provided with at least two first attachment holes 11 and several second attachment holes 12, rotor 2 is provided with the arc-shaped slot 22 corresponding with the first attachment hole 11 around its center, rotor 2 is also provided with the groove 21 corresponding with arc-shaped slot 22 and connecting groove 23, groove 21 is communicated with described arc-shaped slot 22 by described connecting groove 23 and forms groove structure 201; Rotor 2 pastes on the stator 1, and arc-shaped slot 22 is communicated with the first corresponding attachment hole 13, and groove 21 is communicated with the second corresponding attachment hole 12.Paste on the stator 1 in rotation process at rotor 2, the spin axis of rotor 2, being centrally located on same straight line of the center of circle of arc-shaped slot 22 and stator 1.
Specifically, the present embodiment valve can be mortor operated valve also can be manually operated valve, the present embodiment valve does not limit its driving mode, in addition, the present embodiment valve can be high pressure valve, also can be low pressure valve, the present embodiment valve does not limit its Environmental Conditions, the present embodiment valve is described for the assembly relation of mortor operated valve to stator 1 and rotor 2, and the stator 1 in the present embodiment valve and rotor 2 are arranged in shell 4 usually, and motor 5 drives rotor 2 to rotate.Multiple groove structure 201 will be followed rotor 2 and together be rotated, and multiple groove structure 201 is communicated with the second corresponding attachment hole 12.Wherein, the groove structure 201 that groove 21, connecting groove 23 and arc-shaped slot 22 are formed is an integral channel structure.Rotor 2 is in rotation process, and groove structure 201 remains connected state by arc-shaped slot 22 with the first corresponding attachment hole 11, thus guarantees that this first attachment hole 11 can be communicated with second attachment hole 12 at diverse location place by groove structure 201; Meanwhile, other groove structure 201 is also communicated with second attachment hole 12 at corresponding diverse location place, realize the present embodiment valve and can realize multiple mode of communicating, stator can connect many quantity tubes as required, and realize selecting specific quantity tube to work as required, realize enriched valve selection function, enhance versatility, with easy to use.Such as: for the stator 1 in accompanying drawing 5, there are 12 the second attachment holes 12, then the stator 1 in accompanying drawing 5 can be connected with six roots of sensation quantity tube, thus realize six kinds of mode of communicating.
Wherein, as Figure 4-Figure 6, the center of circle of the second attachment hole 12 in the present embodiment is distributed in in the circular trace that is the center of circle of the center of stator 1, concrete, second attachment hole 12 is distributed in in the same circular trace that is the center of circle of the center of stator 1, corresponding, rotor 2 fits to after on stator 1, second groove 23 and the 3rd groove 24 are also distributed in in the same circular trace at the second attachment hole 12 place, in rotor 2 rotation process, the second groove 23 is communicated with from the second different attachment holes 12 with the 3rd groove 24.Or as shown in figs. 7 to 9, the center of circle of multiple described second attachment hole 12 is distributed in the center of described stator 1 respectively as center of circle radius is in different multiple circular traces.Concrete, stator in Fig. 71 to be provided with three the first attachment holes 11, the second attachment hole 12 on stator 1 is divided into three parts corresponding with the first attachment hole 11, the second attachment hole 12 in three parts lay respectively at different with the center of described stator 1 for center of circle radius is in different three circular traces.
Further, in order to reduce the frictional force between stator 1 and rotor 2, stator 1 is provided with boss structure 10, the first attachment hole 11 and the second attachment hole 12 are distributed on the surface of boss structure 10, and rotor 2 is attached on the surface of boss structure 10.Concrete, boss structure 10 on stator 1 contacts with rotor 2, effectively reduce the area of contact between rotor 2 and stator 1, after rotor 2 contacts with boss structure 10, seal up the groove structure on rotor 2 and the hole structure on stator 1 by the surface of contact between rotor 2 and boss structure 10.Preferably, the stator 1 in the present embodiment and rotor 2 can adopt polyether-ether-ketone (to be called for short: PEEK) high-abrasive material such as resin, nylon is made, and with more effective reduction friction factor, reduces wear.In addition, when the present embodiment valve is used for high pressure valve, the first attachment hole 11 in the present embodiment and the diameter of the second attachment hole 12 can be 0.1mm ~ 1.5mm, and the groove width of groove structure 201 can be 0.1mm ~ 1.5mm, and the groove depth of groove structure 201 can be 0.1mm ~ 1.5mm.
Further, stator 1 is also fixedly connected with valve head 3, valve head 3 is provided with first external tapping (not shown) corresponding with described first attachment hole 11, valve head 3 Shang Raoqi center is provided with the second external tapping 31 corresponding to multiple and described second attachment hole 12, first external tapping is communicated with the first attachment hole 11, second external tapping 31 is communicated with the second corresponding attachment hole 12, and multiple second external tapping 31 is that multiple second external tapping 31 of the divergent shape person of setting is distributed on the circumferential side wall of valve head 3 along the internal surface of valve head 3 to outer surface direction.Concrete, second external tapping 31 is arranged in divergent shape on valve head 3, thus when blocking occurs appearance second attachment hole 12, fine needle can be adopted to be inserted in the second attachment hole 12 along the second external tapping 31 clear up, thus without the need to dismantling the present embodiment valve, the second attachment hole 12 blocked just can be cleared up easily.And the second external tapping 31 being distributed on the circumferential side wall of described valve head 3, the cross section of the second external tapping 31 is L-type structure, more convenient processing.
Further again, as shown in figs. 7 to 9, in order to avoid there is the remaining liquid of the tail end of arc-shaped slot 22, stator 1 is provided with the auxiliary circle curve bath 111 be communicated with corresponding first attachment hole 11, the radius of auxiliary circle curve bath 111 is identical with the radius of corresponding arc-shaped slot 22, and arc-shaped slot 22 is communicated with the first attachment hole 11 by auxiliary circle curve bath 111.Concrete, rotor 2 is fitted on the stator 1, the tail end of arc-shaped slot 22 will overlap with auxiliary circle curve bath 111, liquid in arc-shaped slot 22 will enter into the first attachment hole 11 by auxiliary circle curve bath 111, due in rotor 2 rotation process, the tail end of arc-shaped slot 22 will overlap with auxiliary circle curve bath 111 all the time, avoids occurring the remaining liquid of the tail end of arc-shaped slot 22, improves the precision of the present embodiment valve.Preferably, the arc length of auxiliary circle curve bath 111 is not less than the arc length of arc-shaped slot 22 corresponding with it.
The present invention also provides a kind of chromatograph, comprises many quantity tubes, also comprises above-mentioned valve, and quantity tube to be connected in valve between two the second attachment holes; Chromatograph is Ion Chromatograph or liquid chromatograph.
Valve provided by the invention and chromatograph, by being provided with arc-shaped slot on rotor, in rotor turns process, different groove structures can be realized be communicated with the second corresponding attachment hole respectively, thus more kinds of mode of communicating can be obtained, realize can selecting multiple quantity tube by valve, realize the function of many turns, operator can according to the quantity of quantity tube, corresponding setting second attachment hole that connect corresponding to quantity tube, just can realize different quantity tubes by rotary rotor to work, realize having enriched the selection function of valve, enhance versatility, with easy to use.
Last it is noted that above embodiment is only in order to illustrate technological scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technological scheme.
Claims (9)
1. a valve, comprises stators and rotators, it is characterized in that, described stator Shang Raoqi center is provided with at least two the first attachment holes and several second attachment holes; Described rotor is provided with the arc-shaped slot corresponding with described first attachment hole around its center, and described rotor is also provided with the groove corresponding with described arc-shaped slot and connecting groove, and described groove is communicated with described arc-shaped slot is formed groove structure by described connecting groove; Described rotor is attached on described stator, and described arc-shaped slot is communicated with corresponding described first attachment hole, and described groove is communicated with corresponding described second attachment hole; Described stator is provided with the auxiliary circle curve bath corresponding with described first attachment hole, described auxiliary circle curve bath is communicated with described first attachment hole, the radius of described auxiliary circle curve bath is identical with the radius of corresponding described arc-shaped slot, and described arc-shaped slot is communicated with described first attachment hole by described auxiliary circle curve bath.
2. valve according to claim 1, is characterized in that, the center of circle of described second attachment hole is distributed in in the circular trace that is the center of circle of the center of described stator.
3. valve according to claim 1, is characterized in that, the center of circle of multiple described second attachment hole is distributed in the center of described stator respectively as center of circle radius is in different multiple circular traces.
4. valve according to claim 1, is characterized in that, the arc length of described auxiliary circle curve bath is not less than the arc length of described arc-shaped slot corresponding with it.
5. valve according to claim 1, is characterized in that, described groove, described connecting groove and described arc-shaped slot are an integral channel structure.
6. valve according to claim 1, is characterized in that, described stator is provided with boss structure, and described first attachment hole and described second attachment hole are distributed on the surface of described boss structure, and described rotor is attached on the surface of described boss structure.
7. valve according to claim 1, it is characterized in that, described stator is also fixedly connected with valve head, described valve head is provided with first external tapping corresponding with described first attachment hole, described valve head Shang Raoqi center is provided with the second external tapping corresponding to multiple and described second attachment hole, described first external tapping is communicated with corresponding described first attachment hole, described second external tapping is communicated with corresponding described second attachment hole, multiple described second external tapping is that divergent shape setting or multiple described second external tapping are distributed on the circumferential side wall of described valve head along the internal surface of described valve head to outer surface direction.
8. valve according to claim 1, is characterized in that, described valve is mortor operated valve or manually operated valve.
9. a chromatograph, comprises many quantity tubes, it is characterized in that, also comprise as arbitrary in claim 1-8 as described in valve, described quantity tube to be connected in described valve between two the second attachment holes; Described chromatograph is Ion Chromatograph or liquid chromatograph.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310411282.XA CN103423483B (en) | 2013-09-11 | 2013-09-11 | valve and chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310411282.XA CN103423483B (en) | 2013-09-11 | 2013-09-11 | valve and chromatograph |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103423483A CN103423483A (en) | 2013-12-04 |
| CN103423483B true CN103423483B (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310411282.XA Active CN103423483B (en) | 2013-09-11 | 2013-09-11 | valve and chromatograph |
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| Country | Link |
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| CN (1) | CN103423483B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7472156B2 (en) | 2019-02-20 | 2024-04-22 | エフ ホフマン－ラ ロッシュ アクチェン ゲゼルシャフト | Valve for transferring at least one fluid |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4158630A (en) * | 1978-02-24 | 1979-06-19 | Stearns Stanley D | Chromatographic multi-sample valving apparatus |
| JPS63163076A (en) * | 1986-12-26 | 1988-07-06 | Furonto Eng Kk | Valve |
| CN101617225A (en) * | 2007-02-22 | 2009-12-30 | 通用电气健康护理生物科学股份公司 | Selector 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 divider valve |
| CN101896750A (en) * | 2008-02-14 | 2010-11-24 | 株式会社岛津制作所 | Flow channel switching valve |
| CN102209863A (en) * | 2008-11-13 | 2011-10-05 | 通用电气健康护理生物科学股份公司 | Random access rotary valve |
| CN102918309A (en) * | 2010-05-20 | 2013-02-06 | 生物辐射实验室股份有限公司 | Rotary column selector valve |
| CN203463692U (en) * | 2013-09-11 | 2014-03-05 | 青岛普仁仪器有限公司 | Valve and chromatograph |
-
2013
- 2013-09-11 CN CN201310411282.XA patent/CN103423483B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4158630A (en) * | 1978-02-24 | 1979-06-19 | Stearns Stanley D | Chromatographic multi-sample valving apparatus |
| JPS63163076A (en) * | 1986-12-26 | 1988-07-06 | Furonto Eng Kk | Valve |
| CN101617225A (en) * | 2007-02-22 | 2009-12-30 | 通用电气健康护理生物科学股份公司 | Selector 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 divider valve |
| CN101896750A (en) * | 2008-02-14 | 2010-11-24 | 株式会社岛津制作所 | Flow channel switching valve |
| CN102209863A (en) * | 2008-11-13 | 2011-10-05 | 通用电气健康护理生物科学股份公司 | Random access rotary valve |
| CN102918309A (en) * | 2010-05-20 | 2013-02-06 | 生物辐射实验室股份有限公司 | Rotary column selector valve |
| CN203463692U (en) * | 2013-09-11 | 2014-03-05 | 青岛普仁仪器有限公司 | Valve and chromatograph |
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| CN103423483A (en) | 2013-12-04 |
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