CN220340130U - Liquid chromatograph sampling device - Google Patents
Liquid chromatograph sampling device Download PDFInfo
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- CN220340130U CN220340130U CN202321946912.9U CN202321946912U CN220340130U CN 220340130 U CN220340130 U CN 220340130U CN 202321946912 U CN202321946912 U CN 202321946912U CN 220340130 U CN220340130 U CN 220340130U
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- injection
- fixedly connected
- liquid chromatograph
- pole
- detection platform
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- 239000007788 liquid Substances 0.000 title claims abstract description 30
- 238000005070 sampling Methods 0.000 title claims abstract description 6
- 238000002347 injection Methods 0.000 claims abstract description 73
- 239000007924 injection Substances 0.000 claims abstract description 73
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000001125 extrusion Methods 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 9
- 230000000087 stabilizing effect Effects 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract 2
- 238000011105 stabilization Methods 0.000 abstract 2
- 238000012360 testing method Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a liquid chromatograph sample injection device in the technical field of liquid chromatograph sample injection, and provides a sample injection device which is convenient for limiting and stabilizing an injector. The utility model provides a liquid chromatograph sampling device, includes detection platform and body, and the one end intercommunication of body has six to lead to the valve, and the top fixedly connected with bracing piece of detection platform, six to lead to valve and bracing piece fixed connection, the top fixedly connected with two auxiliary rod of detection platform, is equipped with the injection pole through guiding mechanism between two auxiliary rods, and a plurality of injection mouth has been seted up on the surface of injection pole, the bottom fixedly connected with loading board of injection pole. According to the utility model, the supporting plate enables the injector to have a supporting point for stabilization when the injector is used, and the stabilization of the injection process is ensured, so that the injection is more convenient.
Description
Technical Field
The utility model relates to the technical field of liquid chromatograph sample injection, in particular to a liquid chromatograph sample injection device.
Background
Liquid chromatograph refers to an instrument which separates a mixture first and then analyzes and identifies the mixture by utilizing the difference of the partition ratio of the mixture between two liquids which are liquid-solid or not mutually soluble, and the liquid chromatograph is further divided into liquid-liquid chromatograph (LLC) and liquid-color fixation spectrum (LSC) according to whether the stationary phase is liquid or solid. The modern liquid chromatograph consists of a high-pressure infusion pump, a sample injection system, a temperature control system, a chromatographic column, a detector, a signal recording system and the like.
In the prior art, when the liquid chromatograph is required to be used, a sample needs to be introduced into the instrument through a sample introduction device, before sample introduction, the sample is firstly transferred into the syringe from the inside of a test tube, then is injected into a six-way valve from the syringe, and enters the liquid chromatograph through the six-way valve, in the injection process, the syringe needs to be conveniently aligned with the port of the six-way valve, and the syringe is ensured to be stable and convenient to use the syringe, which is very critical, so the syringe needs to be limited and stable, and the syringe can be ensured to be stably injected with the sample in the sample introduction process, and meanwhile, the port of the six-way valve can be rapidly aligned.
Disclosure of Invention
The utility model aims to provide a liquid chromatograph sample injection device in the technical field of liquid chromatograph sample injection, and provides a sample injection device which is convenient for limiting and stabilizing an injector.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a liquid chromatograph sampling device, includes detection platform and body, and the one end intercommunication of body has six to lead to the valve, and the top fixedly connected with bracing piece of detection platform, six to lead to valve and bracing piece fixed connection, the top fixedly connected with two auxiliary rod of detection platform, is equipped with the injection pole through guiding mechanism between two auxiliary rods, and a plurality of injection mouth has been seted up on the surface of injection pole, the bottom fixedly connected with loading board of injection pole.
Preferably, the adjusting mechanism comprises an adjusting groove arranged on the surface of the auxiliary rod, and the injection rod is connected between the two adjusting grooves in a sliding way.
Preferably, the top fixedly connected with injection pole is semicircular extrusion piece, and the holding tank has been seted up at the top of adjustment groove, and the inside of holding tank is connected with the lifter through extrusion spring elastic connection, and the bottom rotation of lifter is connected with the gyro wheel.
Preferably, the top fixedly connected with of loading board is a plurality of locating lever, and the top fixedly connected with of locating lever is convex stopper.
Preferably, the top of the detection table is fixedly connected with a placing plate, and a plurality of inserting grooves are formed in the top of the placing plate.
Preferably, the top of the placing plate is fixedly connected with a plurality of loop bars, and the loop bars are positioned right above the adjacent inserting grooves.
The utility model has at least the following beneficial effects:
when needs advance kind to liquid chromatograph, can be through the mouth of injection pole with the convenient six-way valve of injection port with the syringe alignment, then make when using the syringe through the loading board, the syringe can have the supporting point to stabilize, guarantees the stability of injection process to it is more convenient to make advance kind.
The utility model also has the following beneficial effects:
when supporting the syringe through the loading board, can prop up the syringe through locating lever and stopper, the syringe is more stable by convex stopper restriction, puts the test tube through putting board and insertion groove in proper order simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic illustration of the present utility model;
FIG. 2 is a schematic side view of the auxiliary rod and injection rod of FIG. 1;
fig. 3 is a schematic cross-sectional view of the auxiliary lever of fig. 2.
In the figure: 1. a detection table; 2. a body; 3. a six-way valve; 4. a support rod; 5. an auxiliary lever; 6. an adjusting mechanism; 7. an injection rod; 8. an injection port; 9. a carrying plate; 10. a positioning rod; 11. a limiting block; 12. placing plates; 13. an insertion groove; 14. a loop bar; 601. an adjustment groove; 602. extruding a block; 603. a receiving groove; 604. extruding a spring; 605. a lifting block; 606. and a roller.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1-3, a liquid chromatograph sample injection device comprises a detection table 1 and a body 2, wherein one end of the body 2 is communicated with a six-way valve 3, in particular, the six-way valve 3 sample is an optimal sample in a high-performance liquid chromatograph system, and is composed of a round sealing gasket (rotor) and a fixed base (stator), a support rod 4 is fixedly connected to the top of the detection table 1, the six-way valve 3 is fixedly connected with the support rod 4, two auxiliary rods 5 are fixedly connected to the top of the detection table 1, an injection rod 7 is arranged between the two auxiliary rods 5 through an adjusting mechanism 6, in particular, the adjusting mechanism 6 can conveniently adjust the positions of the auxiliary rods 5, so that the injector can be conveniently aligned with corresponding injection ports 8, a plurality of injection ports 8 are formed in the surface of the injection rod 7, and a bearing plate 9 is fixedly connected to the bottom of the injection rod 7.
The scheme comprises the following working processes:
when the liquid chromatograph is required to be used, the body 2 on the monitoring table is firstly adjusted, then sample injection operation is required to be performed, during sample injection, a sample is extracted from a test tube through the syringe, then an injection needle of the syringe is inserted into the six-way valve 3 on the support rod 4 to be injected, the sample enters the body 2 through the six-way valve 3, in the injection process, the syringe is required to be placed on the bearing plate 9, then the injection needle of the syringe is aligned with the injection port 8 on the injection rod 7, the syringe is moved to enable the injection needle to enter the six-way valve 3 through the injection port 8 to be injected, in addition, the stability of the syringe is ensured through the limitation of the injection port 8 in the injection process, and when the syringes of different types are used, the injection port 8 with different sizes can be moved to the six-way valve 3 through the adjusting mechanism 6 between the two auxiliary rods 5, so that the limitation of the syringe is convenient.
The working process can be as follows:
when the liquid chromatograph is used, the injector can be limited through the injection port 8, so that the injector is stable in injection, and a sample is conveniently sent into the body 2 through the six-way valve 3 for detection.
Further, the adjusting mechanism 6 includes an adjusting slot 601 formed on the surface of the auxiliary rod 5, the injection rod 7 is slidably connected between the two adjusting slots 601, and specifically, the injection rod 7 can move between the two adjusting slots 601, so that the adjustment of the injection port 8 is convenient.
Further, the top fixedly connected with injection pole 7 is semicircular extrusion piece 602, the holding tank 603 has been seted up at the top of adjustment tank 601, the inside of holding tank 603 is connected with lifting block 605 through extrusion spring 604 elastic connection, the bottom rotation of lifting block 605 is connected with gyro wheel 606, specifically, when moving injection pole 7, extrusion piece 602 at injection pole 7 top can extrude gyro wheel 606, make gyro wheel 606 drive lifting block 605 upwards move into the inside of holding tank 603, afterwards extrusion piece 602 breaks away from gyro wheel 606, gyro wheel 606 returns to the normal position through extrusion spring 604's elasticity and weight, make gyro wheel 606 enter into the space between two wherein extrusion pieces 602, need great strength to go on when needs remove injection pole 7, thereby the convenience also can carry out limited restriction to the position of injection pole 7 when adjusting the position of injection pole 7, guarantee the stability of syringe.
Further, a plurality of locating rods 10 are fixedly connected to the top of the bearing plate 9, a circular arc-shaped limiting block 11 is fixedly connected to the top of the locating rods 10, specifically, when sample is introduced, the surface of the injector is placed on the limiting block 11, and then the injector is pushed to enable the injection needle to enter the injection port 8, and the injector is conveniently supported through the locating rods 10 and the limiting block 11.
Further, the top fixedly connected with of detecting bench 1 puts board 12, and a plurality of insertion groove 13 has been seted up at the top of putting board 12, specifically, in the in-process of preparing the sample, can insert the test tube into insertion groove 13 and arrange for the test tube is convenient for inspect and correspond.
Further, the top fixedly connected with of putting plate 12 is a plurality of loop bar 14, and loop bar 14 is located adjacent insert groove 13 directly over, and specifically, loop bar 14 can be blocked the top of test tube for the test tube can not enter into insert groove 13 inside completely, conveniently takes the test tube.
In summary, when the liquid chromatograph needs to be injected, the six-way valve 3 can be injected by the injector to perform injection, and before the injection, the injection rod 7 is adjusted by the adjusting mechanism 6 to facilitate stable injection of different injectors.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a liquid chromatograph sampling device, includes detection platform (1) and body (2), its characterized in that, the one end intercommunication of body (2) has six to lead to valve (3), the top fixedly connected with bracing piece (4) of detection platform (1), six to lead to valve (3) with bracing piece (4) fixed connection, the top fixedly connected with of detection platform (1) two auxiliary rod (5), two be equipped with injection pole (7) through guiding mechanism (6) between auxiliary rod (5), a plurality of injection mouth (8) have been seted up on the surface of injection pole (7), the bottom fixedly connected with loading board (9) of injection pole (7).
2. The liquid chromatograph sample injection device according to claim 1, characterized in that the adjusting mechanism (6) comprises an adjusting groove (601) arranged on the surface of the auxiliary rod (5), and the injection rod (7) is slidably connected between the two adjusting grooves (601).
3. The liquid chromatograph sampling device according to claim 2, wherein the top of the injection rod (7) is fixedly connected with a plurality of semicircular extrusion blocks (602), the top of the adjustment groove (601) is provided with a containing groove (603), the inside of the containing groove (603) is elastically connected with a lifting block (605) through an extrusion spring (604), and the bottom of the lifting block (605) is rotationally connected with a roller (606).
4. The liquid chromatograph sample injection device according to claim 1, characterized in that the top of the bearing plate (9) is fixedly connected with a plurality of positioning rods (10), and the top of the positioning rods (10) is fixedly connected with a circular arc-shaped limiting block (11).
5. The liquid chromatograph sample injection device according to claim 1, characterized in that the top of the detection table (1) is fixedly connected with a placing plate (12), and the top of the placing plate (12) is provided with a plurality of insertion grooves (13).
6. The liquid chromatograph sample injection device according to claim 5, characterized in that the top of the placing plate (12) is fixedly connected with a plurality of loop bars (14), and the loop bars (14) are positioned right above the adjacent insertion grooves (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321946912.9U CN220340130U (en) | 2023-07-24 | 2023-07-24 | Liquid chromatograph sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321946912.9U CN220340130U (en) | 2023-07-24 | 2023-07-24 | Liquid chromatograph sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220340130U true CN220340130U (en) | 2024-01-12 |
Family
ID=89444335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321946912.9U Active CN220340130U (en) | 2023-07-24 | 2023-07-24 | Liquid chromatograph sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220340130U (en) |
-
2023
- 2023-07-24 CN CN202321946912.9U patent/CN220340130U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 610213 Tianfu international bio City, Chengdu, Sichuan (No. 18, Section 2, bio City Middle Road, Shuangliu District) Patentee after: Sichuan Renxin Pharmaceutical Co.,Ltd. Country or region after: China Address before: 610213 Tianfu international bio City, Chengdu, Sichuan (No. 18, Section 2, bio City Middle Road, Shuangliu District) Patentee before: Zhongke Spectrum Research (Chengdu) Pharmaceutical Research Co.,Ltd. Country or region before: China |