CN218212812U - Liquid chromatograph sampling device - Google Patents
Liquid chromatograph sampling device Download PDFInfo
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- CN218212812U CN218212812U CN202221256314.4U CN202221256314U CN218212812U CN 218212812 U CN218212812 U CN 218212812U CN 202221256314 U CN202221256314 U CN 202221256314U CN 218212812 U CN218212812 U CN 218212812U
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- fixedly connected
- casing
- liquid chromatograph
- sleeve
- spring
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- 239000007788 liquid Substances 0.000 title claims abstract description 33
- 238000005070 sampling Methods 0.000 title claims abstract description 12
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model provides a liquid chromatograph sampling device belongs to sample detection technical field, and this liquid chromatograph sampling device includes the casing, the bottom of casing is provided with the sleeve, telescopic inside fixedly connected with feed liquor pipe, the inside fixedly connected with battery and the pump body of casing, the top of casing is provided with switch and control panel, one side fixedly connected with drain pipe of casing, drain pipe and feed liquor pipe all are linked together with the pump body, telescopic inside wall fixedly connected with bush. This liquid chromatograph sampling device through the cooperation between the pump body, battery, sleeve, feed liquor pipe and the drain pipe, utilizes the pump body to extract mobile phase to liquid chromatograph's inside, and easy operation is convenient, utilizes the sleeve to combine with mobile phase's bottle, makes the bottle keep good leakproofness, can prevent that mobile phase from volatilizing or producing harm to the human body, is favorable to using widely.
Description
Technical Field
The utility model belongs to the technical field of the sample detection, concretely relates to liquid chromatograph sampling device.
Background
The liquid chromatograph is an instrument which firstly separates a mixture and then analyzes and identifies the mixture by utilizing the difference of the distribution ratio of the mixture between two liquids which are liquid-solid or immiscible.
The liquid chromatograph's a great variety, but most liquid chromatograph's on the market advance a kind structure comparatively simple, mainly carry out work through the cooperation of hose and needle tubing, the operation is very inconvenient, and the leakproofness of mobile phase is difficult to obtain the guarantee, is unfavorable for using widely.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a liquid chromatograph sampling device aims at solving the inconvenient problem of liquid chromatograph use among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a liquid chromatograph sampling device, includes the casing, the bottom of casing is provided with the sleeve, telescopic inside fixedly connected with feed liquor pipe, the inside fixedly connected with battery and the pump body of casing, the top of casing is provided with switch and control panel, one side fixedly connected with drain pipe of casing, drain pipe and feed liquor pipe all are linked together with the pump body, telescopic inside wall fixedly connected with bush.
As an optimization of the present invention, the sleeve is connected to the housing by a screw thread.
As an optimization of the utility model, the bush is the rubber material.
As a preferred, one side fixedly connected with barrel of casing, the drain pipe is located the inside of barrel, the notch that confession liquid outlet pipe removed is seted up to the bottom of barrel, the inside of barrel is rotated and is connected with the pivot, the drain pipe winding is in the outside of pivot, the one end of pivot runs through the barrel, the one end that the casing was kept away from in the pivot is seted up flutedly, the inside fixedly connected with second spring of recess, the one end fixedly connected with stop collar of second spring, the barrel is close to one side fixedly connected with fixture block of stop collar, fixture block and stop collar looks adaptation.
As an optimization of the utility model, the cavity has been seted up to the inside of pivot, the inside of cavity is provided with first spring, the first fly leaf of one end fixedly connected with of first spring, the other end fixedly connected with second fly leaf of first spring.
As an optimization of the present invention, the end of the first movable plate and the second movable plate away from the first spring is an arc-shaped surface.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this liquid chromatograph sampling device through the cooperation between the pump body, battery, sleeve, feed liquor pipe and the drain pipe, utilizes the pump body to extract liquid chromatograph's inside with the mobile phase, and easy operation is convenient, utilizes the sleeve to combine with the bottle of mobile phase, makes the bottle keep good leakproofness, can prevent that the mobile phase from volatilizing or producing harm to the human body, is favorable to using widely.
2. This liquid chromatograph sampling device through the cooperation between pivot, barrel, stop collar, fixture block, recess and the second spring, can change the length of drain pipe according to the user demand, accomodates unnecessary drain pipe, makes the device cleaner and tidier.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is one of the three-dimensional structural diagrams of the present invention;
fig. 2 is a second schematic perspective view of the present invention;
FIG. 3 is a schematic cross-sectional view of the shell and the barrel of the present invention;
FIG. 4 is a schematic sectional view of the middle shaft of the present invention;
FIG. 5 is a schematic cross-sectional view of the groove and the stop collar of the present invention;
fig. 6 is a second schematic cross-sectional view of the middle groove and the stop collar of the present invention.
In the figure: 1. a housing; 2. a sleeve; 3. a bushing; 4. a liquid inlet pipe; 5. a barrel; 6. a limiting sleeve; 7. a clamping block; 8. a liquid outlet pipe; 9. a switch; 10. a control panel; 11. a storage battery; 12. a pump body; 13. a rotating shaft; 14. a groove; 15. a first movable plate; 16. a second movable plate; 17. a cavity; 18. a first spring; 19. a second spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides a liquid chromatograph sampling device, includes casing 1, and casing 1's bottom is provided with sleeve 2, and sleeve 2's inside fixedly connected with feed liquor pipe 4, casing 1's inside fixedly connected with battery 11 and pump body 12, casing 1's top are provided with switch 9 and control panel 10, and one side fixedly connected with drain pipe 8 of casing 1, drain pipe 8 and feed liquor pipe 4 all are linked together with pump body 12, and sleeve 2's inside wall fixedly connected with bush 3.
The utility model discloses an in the concrete embodiment, inside inserting feed liquor pipe 4 into the bottle that contains the mobile phase, establish the open-top outside of bottle with 2 covers of sleeve, be connected drain pipe 8 and liquid chromatograph, push switch 9, switch 9 makes the pump body 12 open through control panel 10, battery 11 provides the electric quantity for the pump body 12, the pump body 12 is taken the mobile phase out through feed liquor pipe 4, and carry to liquid chromatograph's inside through drain pipe 8, and easy operation is convenient, utilize sleeve 2 and the bottle that contains the mobile phase to combine, make the bottle keep good leakproofness, can prevent that the mobile phase from volatilizing or producing harm to the human body, be favorable to using widely.
Specifically, the sleeve 2 is screwed to the housing 1.
In this embodiment: through sleeve 2 and the casing 1 that sets up threaded connection, make 2 convenient to detach of sleeve, make sleeve 2 can select the sleeve 2 of suitable size according to the mobile phase bottle of different diameters, reduce its limitation of using.
Specifically, the bush 3 is made of rubber.
In this embodiment: through the bush 3 that sets up the rubber material, combine the back at sleeve 2 and the bottle that contains the mobile phase, bush 3 can produce deformation, reduces the gap between sleeve 2 and the bottle, has further increased the leakproofness between sleeve 2 and the bottle.
Specifically, one side fixedly connected with barrel 5 of casing 1, drain pipe 8 is located the inside of barrel 5, the notch that confession drain pipe 8 removed is seted up to the bottom of barrel 5, the inside rotation of barrel 5 is connected with pivot 13, the outside at pivot 13 is twined to drain pipe 8, barrel 5 is run through to the one end of pivot 13, casing 1's one end seted up recess 14 is kept away from to pivot 13, the inside fixedly connected with second spring 19 of recess 14, the one end fixedly connected with stop collar 6 of second spring 19, barrel 5 is close to one side fixedly connected with fixture block 7 of stop collar 6, fixture block 7 and 6 looks adaptations of stop collar.
In this embodiment: to one side pulling stop collar 6, make stop collar 6 and fixture block 7 separation, second spring 19 is in tensile state this moment, after stop collar 6 and fixture block 7 separation, rotatory pivot 13, can make drain pipe 8 pass through notch and pivot 13 winding or separation, the length of drain pipe 8 has been adjusted after, loosen stop collar 6, under second spring 19's effect, stop collar 6 resets and overlaps again and establish the outside at fixture block 7, under fixture block 7 and stop collar 6's effect, pivot 13 can not rotate, drain pipe 8's length is fixed, can change drain pipe 8's length according to the user demand, accomodate unnecessary drain pipe 8, make the device cleaner and tidier.
Specifically, a cavity 17 is formed in the rotating shaft 13, a first spring 18 is disposed in the cavity 17, one end of the first spring 18 is fixedly connected to the first movable plate 15, and the other end of the first spring 18 is fixedly connected to the second movable plate 16.
In this embodiment: through the cooperation among the first spring 18, the first movable plate 15 and the second movable plate 16, under the action of the first spring 18, the first movable plate 15 and the second movable plate 16 are tightly contacted with the liquid outlet pipe 8 wound on the outer side of the rotating shaft 13, so as to prevent the liquid outlet pipe 8 from slipping during the rotation of the rotating shaft 13.
Specifically, the ends of the first movable plate 15 and the second movable plate 16 away from the first spring 18 are both arc-shaped surfaces.
In this embodiment: the first movable plate 15 and the second movable plate 16 with arc-shaped surfaces are arranged, so that the contact area between the first movable plate and the liquid outlet pipe 8 is increased, and the fixing effect is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a liquid chromatograph sampling device, includes casing (1), its characterized in that: the bottom of casing (1) is provided with sleeve (2), the inside fixedly connected with feed liquor pipe (4) of sleeve (2), the inside fixedly connected with battery (11) and the pump body (12) of casing (1), the top of casing (1) is provided with switch (9) and control panel (10), one side fixedly connected with drain pipe (8) of casing (1), drain pipe (8) and feed liquor pipe (4) all are linked together with the pump body (12), the inside wall fixedly connected with bush (3) of sleeve (2).
2. The sample introduction device for a liquid chromatograph according to claim 1, characterized in that: the sleeve (2) is in threaded connection with the shell (1).
3. The sample introduction device for a liquid chromatograph according to claim 1, characterized in that: the bushing (3) is made of rubber.
4. The sample introduction device for a liquid chromatograph according to claim 1, characterized in that: one side fixedly connected with barrel (5) of casing (1), drain pipe (8) are located the inside of barrel (5), the notch that confession liquid outlet pipe (8) removed is seted up to the bottom of barrel (5), the inside rotation of barrel (5) is connected with pivot (13), drain pipe (8) winding is in the outside of pivot (13), barrel (5) are run through to the one end of pivot (13), the one end that casing (1) was kept away from in pivot (13) is seted up recess (14), the inside fixedly connected with second spring (19) of recess (14), the one end fixedly connected with stop collar (6) of second spring (19), one side fixedly connected with fixture block (7) that barrel (5) are close to stop collar (6), fixture block (7) and stop collar (6) looks adaptation.
5. The sample injection device of the liquid chromatograph of claim 4, wherein: the improved structure of the automobile seat is characterized in that a cavity (17) is formed in the rotating shaft (13), a first spring (18) is arranged in the cavity (17), a first movable plate (15) is fixedly connected to one end of the first spring (18), and a second movable plate (16) is fixedly connected to the other end of the first spring (18).
6. The sample injection device of the liquid chromatograph of claim 5, wherein: the ends, far away from the first spring (18), of the first movable plate (15) and the second movable plate (16) are arc-shaped surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221256314.4U CN218212812U (en) | 2022-05-24 | 2022-05-24 | Liquid chromatograph sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221256314.4U CN218212812U (en) | 2022-05-24 | 2022-05-24 | Liquid chromatograph sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218212812U true CN218212812U (en) | 2023-01-03 |
Family
ID=84646743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221256314.4U Active CN218212812U (en) | 2022-05-24 | 2022-05-24 | Liquid chromatograph sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218212812U (en) |
-
2022
- 2022-05-24 CN CN202221256314.4U patent/CN218212812U/en active Active
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