CN203463722U - Valve and chromatograph - Google Patents
Valve and chromatograph Download PDFInfo
- Publication number
- CN203463722U CN203463722U CN201320562515.1U CN201320562515U CN203463722U CN 203463722 U CN203463722 U CN 203463722U CN 201320562515 U CN201320562515 U CN 201320562515U CN 203463722 U CN203463722 U CN 203463722U
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- groove
- attachment hole
- center
- valve
- stator
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Abstract
The utility model provides a valve and a chromatograph. The valve comprise a stator and a rotor, wherein a first connecting hole is formed in the center of the stator; a plurality of second connecting holes are formed in the stator and around the center of the stator; a third connecting hole is also formed in the stator; a first groove is formed in the center of the rotor; an arc-shaped groove, a second groove and a third groove are formed around the center of the rotor; the second groove is communicated with the first groove through the first connecting groove formed in the rotor, so that a first trough is formed; the third groove is communicated with the arc-shaped groove through the second connecting groove formed in the rotor, so that a second trough is formed; the rotor is attached to the stator; the first groove is communicated with the first connecting hole; the second groove and the third groove are communicated with corresponding second connecting holes; and the arc-shaped groove is communicated with the third connecting hole. The arc-shaped groove is formed in the rotor, so that the first trough and the second trough are communicated with corresponding second connecting holes respectively; and 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 the center of described stator is provided with the first attachment hole, and described stator Shang Raoqi center is provided with a plurality of the second attachment holes, is also provided with the 3rd attachment hole on described stator; The center of described rotor is provided with the first groove, described rotor Rao Qi center is provided with arc-shaped slot, the second groove and the 3rd groove, described the second groove is communicated with described the first groove and is formed the first groove by the first connecting groove arranging on described rotor, and described the 3rd groove is communicated with described arc-shaped slot and is formed the second groove by the second connecting groove arranging on described rotor; Described rotor is attached on described stator, and described the first groove is communicated with described the first attachment hole, and described the second groove and described the 3rd groove are communicated with corresponding described the second attachment hole, and described arc-shaped slot is communicated with described the 3rd 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, a plurality of described the second attachment holes are divided into a plurality of the second attachment holes one and a plurality of the second attachment hole two, the center of circle of a plurality of described the second attachment holes one is distributed in take the center of described stator in the circular trace that center of circle radius is r1, the center of circle of a plurality of described the second attachment holes two is distributed in take the center of described stator in the circular trace that center of circle radius is r2, described the second groove is communicated with corresponding described the second attachment hole one, and described the 3rd groove is communicated with corresponding described the second attachment hole two; Wherein, r1 is not equal to r2.
Further, described stator and described rotor adopt polyether-ether-ketone resin to make.
Further, the diameter of described the first attachment hole, described the second attachment hole and described the 3rd attachment hole is 0.1mm ~ 1.5mm, the groove width of described the first groove and described the second groove is 0.1mm ~ 1.5mm, and the groove depth of described the first groove and described the second groove is 0.1mm ~ 1.5mm.
Further, described the first groove, described the first connecting groove and described the second groove are an integral channel structure, and described arc-shaped slot, described the second connecting groove and described the 3rd groove are an integral channel structure.
Further, on described stator, be provided with boss structure, described the first attachment hole, described the second attachment hole and described the 3rd 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, the center of described valve head is provided with the first external tapping, described valve head Shang Raoqi center is provided with a plurality of the second external tappings, on described valve head, be also provided with the 3rd external tapping, described the first external tapping is communicated with described the first attachment hole, described the second external tapping is communicated with corresponding described the second attachment hole, described the 3rd external tapping is communicated with corresponding described the 3rd 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.
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 the first groove and the second groove 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, comprises stator 1 and rotor 2, and the center of stator 1 is provided with the first attachment hole 11, and stator 1 Shang Raoqi center is provided with a plurality of the second attachment holes 12, is also provided with the 3rd attachment hole 13 on stator 1; The center of rotor 2 is provided with the first groove 21, rotor 2 Rao Qi centers are provided with arc-shaped slot 22, the second groove 23 and the 3rd groove 24, the second groove 23 is communicated with formation the first groove 201, the three grooves 24 by the first connecting groove 25 arranging on rotor 2 and is communicated with arc-shaped slot 22 and is formed the second groove 202 by the second connecting groove 26 arranging on rotor 2 with the first groove 21; Rotor 2 is attached on stator 1, and the first groove 21 is communicated with the first attachment hole 11, and the second groove 23 and the 3rd groove 24 are communicated with the second corresponding attachment hole 12, and arc-shaped slot 22 is communicated with the 3rd attachment hole 13.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.The first groove 201 and the second groove 202 will be followed rotor 2 and together be rotated, and the first groove 201 and the second groove 202 will be communicated with the second corresponding attachment hole 12.Wherein, formed the first groove 201 of the first groove 21, the first connecting groove 25 and the second groove 23 is an integral channel structure, and formed the second groove 202 of arc-shaped slot 22, the second connecting groove 26 and the 3rd groove 24 is an integral channel structure.Rotor 2 is in rotation process, and the first groove 21 in the first groove 201 will be communicated with the first attachment hole 11 all the time, thereby guarantees that the first attachment hole 11 can be communicated with second attachment hole 12 at diverse location place by the first groove 201; Meanwhile, arc-shaped slot 22 in the second groove 202 can be communicated with the 3rd attachment hole 13 all the time, thereby guarantee that the 3rd attachment hole 13 can be communicated with second attachment hole 12 at diverse location place by the second groove 202, realize the present embodiment valve and can realize multiple mode of communicating, on stator, can connect as required many quantity tubes, and realize and to select as required specific quantity tube to work, realize 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 10 the second attachment holes 12, on the stator 1 in accompanying drawing 5, can be connected with five quantity tubes, thereby realize five 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, a plurality of the second attachment holes are divided into a plurality of the second attachment holes 1 and a plurality of the second attachment hole 2 122, the center of circle of a plurality of the second attachment holes 1 is distributed in take the center of stator 1 in the circular trace that center of circle radius is r1, the center of circle of a plurality of the second attachment holes 2 122 is distributed in take the center of stator 1 in the circular trace that center of circle radius is r2, the second groove 23 is communicated with the second corresponding attachment hole 1, and the 3rd groove 24 is communicated with the second corresponding attachment hole 2 122; Wherein, r1 is not equal to r2.Concrete, the second attachment hole 1 and the second attachment hole 2 122 are distributed in respectively take in the different circular traces that the center of stator 1 is the center of circle, corresponding, after rotor 2 fits on stator 1, the second groove 23 is distributed in the same circular trace with the second attachment hole one 121 places, and the 3rd groove 24 is distributed in the same circular trace with the second attachment hole 2 122 places, in rotor 2 rotation processes, the second groove 23 and the 3rd groove 24 are communicated with correspondence with the second attachment hole 1 and the second attachment hole 2 122.In addition, as Figure 4-Figure 6, the second groove 23 and the 3rd groove 24 can be acute angle with the line angle at rotor 2 centers, or as shown in Fig. 7-Fig. 9, the second groove 23 and the 3rd groove 24 can be the straight angle with the line angle at rotor 2 centers.
Further, in order to reduce the frictional force between stator 1 and rotor 2, on stator 1, be provided with boss structure 10, the first attachment holes 11, the second attachment hole 12 and the 3rd attachment hole 13 and be distributed on the surface of boss structure 10, 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 diameter of the first attachment hole 11, the second attachment hole 12 and the 3rd attachment hole 13 in the present embodiment can be 0.1mm ~ 1.5mm, the groove width of the first groove 201 and the second groove 202 can be 0.1mm ~ 1.5mm, and the groove depth of the first groove 201 and the second groove 202 can be 0.1mm ~ 1.5mm.
Further, on stator 1, be also fixedly connected with valve head 3, the center of valve head 3 is provided with the first external tapping (not shown), valve head 3 Shang Raoqi centers are provided with a plurality of the second external tappings 31, on valve head 3, be also provided with the 3rd external tapping (not shown), the first external tapping is communicated with the first attachment hole 11, the second external tapping 31 is communicated with the second corresponding attachment hole 12, the 3rd external tapping is communicated with the 3rd corresponding attachment hole 13, 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 described valve head 3 along internal surface to the outer surface direction of valve head 3.Concrete, the first external tapping can be the straight hole along valve head 3 axial directions, and 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 the first groove and the second groove 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, the center of described stator is provided with the first attachment hole, and described stator Shang Raoqi center is provided with a plurality of the second attachment holes, is also provided with the 3rd attachment hole on described stator; The center of described rotor is provided with the first groove, described rotor Rao Qi center is provided with arc-shaped slot, the second groove and the 3rd groove, described the second groove is communicated with described the first groove and is formed the first groove by the first connecting groove arranging on described rotor, and described the 3rd groove is communicated with described arc-shaped slot and is formed the second groove by the second connecting groove arranging on described rotor; Described rotor is attached on described stator, and described the first groove is communicated with described the first attachment hole, and described the second groove and described the 3rd groove are communicated with corresponding described the second attachment hole, and described arc-shaped slot is communicated with described the 3rd 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, it is characterized in that, a plurality of described the second attachment holes are divided into a plurality of the second attachment holes one and a plurality of the second attachment hole two, the center of circle of a plurality of described the second attachment holes one is distributed in take the center of described stator in the circular trace that center of circle radius is r1, the center of circle of a plurality of described the second attachment holes two is distributed in take the center of described stator in the circular trace that center of circle radius is r2, described the second groove is communicated with corresponding described the second attachment hole one, and described the 3rd groove is communicated with corresponding described the second attachment hole two; Wherein, r1 is not equal to r2.
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, it is characterized in that, the diameter of described the first attachment hole, described the second attachment hole and described the 3rd attachment hole is 0.1mm ~ 1.5mm, the groove width of described the first groove and described the second groove is 0.1mm ~ 1.5mm, and the groove depth of described the first groove and described the second groove is 0.1mm ~ 1.5mm.
6. valve according to claim 1, is characterized in that, described the first groove, described the first connecting groove and described the second groove are an integral channel structure, and described arc-shaped slot, described the second connecting groove and described the 3rd groove are an integral channel structure.
7. valve according to claim 1, it is characterized in that, on described stator, be provided with boss structure, described the first attachment hole, described the second attachment hole and described the 3rd 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, the center of described valve head is provided with the first external tapping, described valve head Shang Raoqi center is provided with a plurality of the second external tappings, on described valve head, be also provided with the 3rd external tapping, described the first external tapping is communicated with described the first attachment hole, described the second external tapping is communicated with corresponding described the second attachment hole, described the 3rd external tapping is communicated with corresponding described the 3rd 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 |
|---|---|---|---|
| CN201320562515.1U CN203463722U (en) | 2013-09-11 | 2013-09-11 | Valve and chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320562515.1U CN203463722U (en) | 2013-09-11 | 2013-09-11 | Valve and chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203463722U true CN203463722U (en) | 2014-03-05 |
Family
ID=50176089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320562515.1U Expired - Lifetime CN203463722U (en) | 2013-09-11 | 2013-09-11 | Valve and chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203463722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423484A (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 CN201320562515.1U patent/CN203463722U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423484A (en) * | 2013-09-11 | 2013-12-04 | 青岛普仁仪器有限公司 | Valve and chromatographic instrument |
| CN103423484B (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 | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140305 |