CN203463692U - Valve and chromatograph - Google Patents
Valve and chromatograph Download PDFInfo
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- CN203463692U CN203463692U CN201320562409.3U CN201320562409U CN203463692U CN 203463692 U CN203463692 U CN 203463692U CN 201320562409 U CN201320562409 U CN 201320562409U CN 203463692 U CN203463692 U CN 203463692U
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- valve
- attachment hole
- stator
- rotor
- groove
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Abstract
The utility model provides a valve and a chromatograph. The valve comprise a stator and a rotor, wherein at least two first connecting holes and a plurality of second connecting holes are formed in the stator and around the center of the stator; arc-shaped grooves corresponding to the first connecting holes are formed in the rotor and around the center of the rotor; grooves and connecting grooves corresponding to the arc-shaped grooves are also formed in the rotor; the grooves are communicated with the arc-shaped grooves through the connecting grooves, so that a groove structure is formed; the rotor is attached to the stator; the arc-shaped grooves are communicated with corresponding first connecting holes; and the grooves are communicated with corresponding second connecting holes. The arc-shaped grooves are formed in the rotor, so that different groove structures are communicated with corresponding second connecting holes respectively, more types of communication manners are acquired, selective functions of the valve are enriched, and the universality is enhanced.
Description
Technical field
The utility model relates to mechanical device, relates in particular to a kind of valve and chromatograph.
Background technique
Chromatograph application chromatography is carried out the instrument of qualitative and quantitative analysis to material.Chromatograph is equipped with valve conventionally, by valve, selects different quantity tubes.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 a plurality of through holes 101, and on rotor 200, be provided with many grooves 201, to be provided with six through holes 101 on stator 100, on rotor 200, correspondence is provided with three grooves 201, by rotary rotor 200, can realize between two through holes 101 adjacent on stator 100 and being communicated with.Referring to Fig. 1 and Fig. 2, by rotary rotor 200, can only realize two kinds of connected states, cause in prior art the selection function of valve single, versatility is poor, uses inconvenient.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of valve and chromatograph are provided, the selection function that solves valve in prior art is single, and versatility is poor, uses inconvenient defect, selection function, the enhancing versatility of valve enriched in realization, to facilitate use.
The technological scheme that the utility model provides is, a kind of valve, comprises stator and rotor, and described stator Shang Raoqi center is provided with at least two the first attachment holes and several second attachment holes; Described rotor Rao Qi center is provided with the arc-shaped slot corresponding with described the first attachment hole, is also provided with the groove corresponding with described arc-shaped slot and connecting groove on described rotor, and described groove is communicated with described arc-shaped slot and 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 the first attachment hole, and described groove is communicated with corresponding described the second attachment hole.
Further, the center of circle of described the second attachment hole is distributed in and take in the circular trace that the center of described stator is the center of circle.
Further, the center of circle of a plurality of described the second attachment holes is distributed in respectively and take the center of described stator as center of circle radius is in different a plurality of circular traces.
Further, described stator and described rotor adopt polyether-ether-ketone resin to make.
Further, the diameter of described the first attachment hole and described the second attachment hole is 0.1mm ~ 1.5mm, and the groove width of described groove structure is 0.1mm ~ 1.5mm, and the groove depth of described groove structure is 0.1mm ~ 1.5mm.
Further, described groove, described connecting groove and described arc-shaped slot are an integral channel structure.
Further, on described stator, be provided with boss structure, described the first attachment hole and described the 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, on described stator, be also fixedly connected with valve head, on described valve head, be provided with first external tapping corresponding with described the first attachment hole, described valve head Shang Raoqi center is provided with the second external tapping that a plurality of and described the second attachment hole is corresponding, described the first external tapping is communicated with corresponding described the first attachment hole, described the second external tapping is communicated with corresponding described the second attachment hole, and a plurality of described the second external tappings are divergent shape setting or a plurality of described the second external tapping is distributed on the circumferential side wall of described valve head along internal surface to the outer surface direction of described valve head.
Further, described valve is mortor operated valve or manually operated valve.
The utility model also provides a kind of chromatograph, comprises many quantity tubes, also comprises above-mentioned valve, and described quantity tube is connected in described valve between two the second attachment holes; Described chromatograph is Ion Chromatograph or liquid chromatograph.
The valve that the utility model provides and chromatograph, by be provided with arc-shaped slot on rotor, in rotor rotation process, can realize different groove structures is communicated with the second corresponding attachment hole respectively, thereby can obtain more kinds of mode of communicating, realization can be selected multiple quantity tube by valve, realize the function that turns more, operator can be according to the quantity of quantity tube, corresponding the second attachment hole that connection corresponding to quantity tube is set, by rotary rotor, just can realize different quantity tubes works, the selection function of valve has been enriched in realization, strengthened versatility, to facilitate use.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the assembling schematic diagram one of stator and rotor in valve in prior art;
Fig. 2 is the assembling schematic diagram two of stator and rotor in valve in prior art;
Fig. 3 is the utility model valve embodiment's structural representation;
Fig. 4 is the assembling schematic diagram one of stator and rotor in the utility model valve embodiment;
Fig. 5 is the structural representation one of stator in the utility model valve embodiment;
Fig. 6 is the structural representation one of the utility model valve embodiment rotor;
Fig. 7 is the assembling schematic diagram two of stator and rotor in the utility model valve embodiment;
Fig. 8 is the structural representation two of stator in the utility model valve embodiment;
Fig. 9 is the structural representation two of the utility model valve embodiment rotor.
Embodiment
For making the utility model embodiment's object, technological scheme and advantage clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiments.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Fig. 3-Fig. 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 Rao Qi centers are provided with the arc-shaped slot 22 corresponding with the first attachment hole 11, on rotor 2, be also provided with the groove corresponding with arc-shaped slot 22 21 and connecting groove 23, groove 21 is communicated with described arc-shaped slot 22 and is formed groove structure 201 by described connecting groove 23; Rotor 2 is attached on 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.At rotor 2, be attached on stator 1 in rotation process being centered close on same straight line of the center of circle of the spin axis of rotor 2, arc-shaped slot 22 and stator 1.
Particularly, the present embodiment valve can be also manually operated valve for mortor operated valve, the present embodiment valve does not limit its driving mode, in addition, the present embodiment valve can be high pressure valve, can be also low pressure valve, the present embodiment valve does not limit its Environmental Conditions, the present embodiment valve be take mortor operated valve and the assembly relation of stator 1 and rotor 2 is described as example, and the stator 1 in the present embodiment valve and rotor 2 are arranged in shell 4 conventionally, and motor 5 drives rotors 2 to rotate.A plurality of groove structures 201 will be followed rotor 2 and together be rotated, and a plurality of groove structures 201 will be communicated with the second corresponding attachment hole 12.Wherein, the formed groove structure 201 of groove 21, connecting groove 23 and arc-shaped slot 22 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, thereby 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 the diverse location place with corresponding, realize the present embodiment valve and can realize multiple mode of communicating, on stator, can connect as required many quantity tubes, and realize and select as required specific quantity tube to work, realization enriched valve selection function, strengthened versatility, to facilitate use.For example: it is example that the stator 1 of take in accompanying drawing 5 has 12 the second attachment holes 12, on 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 take in the circular trace that the center of stator 1 is the center of circle, concrete, the second attachment hole 12 is distributed in take in the same circular trace that the center of stator 1 is the center of circle, corresponding, after rotor 2 fits on stator 1, the second groove 23 and the 3rd groove 24 are also distributed in the same circular trace with the second attachment hole 12 places, in rotor 2 rotation processes, the second groove 23 and the 3rd groove 24 will be communicated with from the second different attachment holes 12.Or as shown in Fig. 7-Fig. 9, the center of circle of a plurality of described the second attachment holes 12 is distributed in respectively take the center of described stator 1 as center of circle radius is in different a plurality of circular traces.Concrete, take that on stator 1, to be provided with three the first attachment holes 11 in Fig. 7 be example, the second attachment hole 12 on stator 1 is divided into three parts corresponding with the first attachment hole 11, and the second attachment hole 12 in three parts lays respectively at different centers of take described stator 1 as center of circle radius is in three different circular traces.
Further, in order to reduce the frictional force between stator 1 and rotor 2, be provided with boss structure 10, the first attachment holes 11 and the second attachment hole 12 and be distributed on the surface of boss structure 10 on stator 1, 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, by the surface of contact between rotor 2 and boss structure 10, sealed up groove structure on rotor 2 and the hole structure on stator 1.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, on stator 1, be also fixedly connected with valve head 3, on valve head 3, be provided with first external tapping (not shown) corresponding with described the first attachment hole 11, valve head 3 Shang Raoqi centers are provided with the second external tapping 31 that a plurality of and described the second attachment hole 12 is corresponding, the first external tapping is communicated with the first attachment hole 11, the second external tapping 31 is communicated with corresponding the second attachment hole 12, and a plurality of the second external tappings 31 are divergent shape setting or a plurality of the second external tapping 31 is distributed on the circumferential side wall of valve head 3 along internal surface to the outer surface direction of valve head 3.Concrete, the second external tapping 31 is divergent shape setting on valve head 3, thereby when occurring that the second attachment hole 12 occurs to stop up, can adopt fine needle to be inserted in the second attachment hole 12 and to clear up along the second external tapping 31, thereby without dismounting the present embodiment valve, just can clear up easily the second attachment hole 12 of blocking.And the second external tapping 31 is 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.
The utility model also provides a kind of chromatograph, comprises many quantity tubes, also comprises above-mentioned valve, and quantity tube is connected in valve between two the second attachment holes; Chromatograph is Ion Chromatograph or liquid chromatograph.
The valve that the utility model provides and chromatograph, by be provided with arc-shaped slot on rotor, in rotor rotation process, can realize different groove structures is communicated with the second corresponding attachment hole respectively, thereby can obtain more kinds of mode of communicating, realization can be selected multiple quantity tube by valve, realize the function that turns more, operator can be according to the quantity of quantity tube, corresponding the second attachment hole that connection corresponding to quantity tube is set, by rotary rotor, just can realize different quantity tubes works, the selection function of valve has been enriched in realization, strengthened versatility, to facilitate use.
Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technological scheme that still can record aforementioned each embodiment is modified, or part technical characteristics is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment's technological scheme of the utility model.
Claims (10)
1. a valve, comprises stator and rotor, 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 Rao Qi center is provided with the arc-shaped slot corresponding with described the first attachment hole, is also provided with the groove corresponding with described arc-shaped slot and connecting groove on described rotor, and described groove is communicated with described arc-shaped slot and 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 the first attachment hole, and described groove is communicated with corresponding described the second attachment hole.
2. valve according to claim 1, is characterized in that, the center of circle of described the second attachment hole is distributed in take in the circular trace that the center of described stator is the center of circle.
3. valve according to claim 1, is characterized in that, the center of circle of a plurality of described the second attachment holes is distributed in respectively take the center of described stator as center of circle radius is in different a plurality of circular traces.
4. valve according to claim 1, is characterized in that, described stator and described rotor adopt polyether-ether-ketone resin to make.
5. valve according to claim 1, is characterized in that, the diameter of described the first attachment hole and described the second attachment hole is 0.1mm ~ 1.5mm, and the groove width of described groove structure is 0.1mm ~ 1.5mm, and the groove depth of described groove structure is 0.1mm ~ 1.5mm.
6. valve according to claim 1, is characterized in that, described groove, described connecting groove and described arc-shaped slot are an integral channel structure.
7. valve according to claim 1, is characterized in that, on described stator, is provided with boss structure, and described the first attachment hole and described the second attachment hole are distributed on the surface of described boss structure, and described rotor is attached on the surface of described boss structure.
8. valve according to claim 1, it is characterized in that, on described stator, be also fixedly connected with valve head, on described valve head, be provided with first external tapping corresponding with described the first attachment hole, described valve head Shang Raoqi center is provided with the second external tapping that a plurality of and described the second attachment hole is corresponding, described the first external tapping is communicated with corresponding described the first attachment hole, described the second external tapping is communicated with corresponding described the second attachment hole, a plurality of described the second external tappings are divergent shape setting or a plurality of described the second external tapping is distributed on the circumferential side wall of described valve head along internal surface to the outer surface direction of described valve head.
9. valve according to claim 1, is characterized in that, described valve is mortor operated valve or manually operated valve.
10. a chromatograph, comprises many quantity tubes, it is characterized in that, also comprises the valve as described in as arbitrary in claim 1-9, and described quantity tube is 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 |
|---|---|---|---|
| CN201320562409.3U CN203463692U (en) | 2013-09-11 | 2013-09-11 | Valve and chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320562409.3U CN203463692U (en) | 2013-09-11 | 2013-09-11 | Valve and chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203463692U true CN203463692U (en) | 2014-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320562409.3U Expired - Lifetime CN203463692U (en) | 2013-09-11 | 2013-09-11 | Valve and chromatograph |
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| Country | Link |
|---|---|
| CN (1) | CN203463692U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423483A (en) * | 2013-09-11 | 2013-12-04 | 青岛普仁仪器有限公司 | Valve and chromatographic instrument |
-
2013
- 2013-09-11 CN CN201320562409.3U patent/CN203463692U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423483A (en) * | 2013-09-11 | 2013-12-04 | 青岛普仁仪器有限公司 | Valve and chromatographic instrument |
| CN103423483B (en) * | 2013-09-11 | 2015-08-26 | 青岛普仁仪器有限公司 | valve and chromatograph |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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Granted publication date: 20140305 |
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| CX01 | Expiry of patent term |