CN219307995U - Low-pressure liquid chromatography column loading machine - Google Patents
Low-pressure liquid chromatography column loading machine Download PDFInfo
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- CN219307995U CN219307995U CN202222576445.7U CN202222576445U CN219307995U CN 219307995 U CN219307995 U CN 219307995U CN 202222576445 U CN202222576445 U CN 202222576445U CN 219307995 U CN219307995 U CN 219307995U
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- pressure liquid
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- chromatography column
- liquid chromatography
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- 238000003819 low-pressure liquid chromatography Methods 0.000 title claims abstract description 17
- 238000004587 chromatography analysis Methods 0.000 claims abstract description 11
- 238000012856 packing Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 230000001681 protective effect Effects 0.000 description 5
- 238000004811 liquid chromatography Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a low-pressure liquid chromatography column loading machine, which belongs to the technical field of chromatography column loading machines and comprises a chromatography column loading machine body, wherein one side of the chromatography column loading machine body is provided with a rotating mechanism, one side of the rotating mechanism is fixedly connected with a connecting rod, one side of the connecting rod is fixedly connected with a lantern ring, one side of the lantern ring is provided with an adjusting mechanism, one side of the adjusting mechanism is provided with a moving mechanism, and one side of the moving mechanism is provided with a locking mechanism. The utility model can ensure that the chromatographic column tube is fixed stably, and realizes the effect of being convenient for filling operation.
Description
Technical Field
The utility model belongs to the technical field of chromatographic column packing machines, and particularly relates to a low-pressure liquid chromatographic column packing machine.
Background
The liquid chromatography separation technology is one of the most commonly used at present. The liquid chromatography technology can be classified into low pressure, medium pressure, high pressure, ultra-high pressure chromatography, etc. Among them, the medium-low pressure chromatography (pressure of 1-20 kgf) is very widely used because it is easy to realize, simple and inexpensive. Packing techniques for chromatography columns are important factors affecting the performance of chromatographic analysis. For medium and low pressure chromatography, dry packing is often used due to the large filler particles, typically greater than 30 μm.
At present, chinese patent publication No. CN202182876U discloses a medium-low pressure liquid chromatography column loader, which belongs to the technical field of analytical instruments. The instrument is characterized by comprising a vacuum system, a vibration system and a column fixing system. Filling is carried out by utilizing the negative pressure effect, the filling density is improved by utilizing the vibration effect, and quick filling of chromatographic columns with different specifications and sizes is realized by adopting a column fixing clamp with adjustable radius.
However, when the device is used, the chromatographic column tube is clamped only by the elastic fixing frame, and once the movement amplitude of the chromatographic column tube is overlarge, two clamping pieces of the elastic fixing frame are easily separated, so that the chromatographic column tube falls off, and the filling operation is inconvenient.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a low-pressure liquid chromatography column packing machine. The advantages are that: can make chromatographic column tube fixed stable, realize the effect of being convenient for filling operation.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a low pressure liquid chromatography dress post machine, includes chromatographic dress post machine body, one side of chromatographic dress post machine body is provided with slewing mechanism, one side fixedly connected with connecting rod of slewing mechanism, one side fixedly connected with lantern ring of connecting rod, one side of lantern ring is provided with adjustment mechanism, one side of adjustment mechanism is provided with moving mechanism, one side of moving mechanism is provided with locking mechanism.
The technical scheme is as follows: during operation, arrange the chromatographic column in the cover intra-annular, then make shifter towards the chromatographic column remove through adjustment mechanism, shifter's removal can drive locking mechanism and remove, and locking mechanism can make the chromatographic column fixed fastening, and when equipment is in the operation, the rocking of chromatographic column can be cooperateed by slewing mechanism, consequently, can make the chromatographic column fixed stable, realizes the effect of being convenient for filling operation.
The chromatographic column loading machine is characterized in that the rotating mechanism comprises a rotating ball fixedly connected with the connecting rod, a rotating groove is formed in one side of the chromatographic column loading machine body, and the inner wall of the rotating groove is in rotating fit with the rotating ball.
The technical scheme is as follows: when the chromatographic column tube moves, the connecting rod moves, the rotating ball rotates in the rotating groove, and the rotating ball can provide a certain movement amplitude for the chromatographic column tube.
The utility model further provides that the adjusting mechanism comprises a threaded rod, and the outer wall of one side of the lantern ring is provided with a threaded hole which is connected with the threaded rod through threads.
The technical scheme is as follows: and the threaded rod is rotated, and the movement of the moving mechanism can be caused by the rotation of the threaded rod in the threaded hole.
The utility model further provides that the moving mechanism comprises a moving block, a moving groove communicated with the threaded hole is formed in the inner wall of one side of the lantern ring, and the threaded rod is connected with the moving block through a bearing.
The technical scheme is as follows: the sliding of the moving block in the moving groove can enable the locking mechanism to be clung to the surface of the chromatographic column tube, and the chromatographic column tube can be fixed and stable.
The utility model further provides that the locking mechanism comprises a locking block, one side of the moving block is provided with a locking groove which is in sliding fit with the locking block, and the inner wall of one side of the locking groove and one side of the locking block are fixedly connected with the same locking spring.
The technical scheme is as follows: after the locking block contacts with the chromatographic column tube, the locking block slides in the locking groove, so that the locking spring deforms, and the deformation of the locking spring is reversed, so that the chromatographic column tube is fixed by the locking block.
The utility model further provides that the locking block is in an arc-shaped structure.
The technical scheme is as follows: the design of arc structure can increase the contact area between the locking block and the chromatographic column tube, and can make the chromatographic column tube fixed and stable.
The utility model is further arranged that one side of the locking block and the inner wall of the lantern ring are fixedly connected with the protection pad which is made of rubber.
The technical scheme is as follows: the arrangement of the protective pad can increase the friction force between the locking block and the chromatographic column tube, so that the chromatographic column tube is fixed and stable.
The utility model is further characterized in that a plurality of evenly distributed protrusions are fixedly arranged on the surface of the protective pad, and the protrusions and the protective pad are integrally formed.
The technical scheme is as follows: the convex arrangement can increase the roughness of the surface of the protective pad, and further ensures that the chromatographic column tube is fixed and stable.
The beneficial effects of the utility model are as follows:
1. this low pressure liquid chromatography dress post machine, during operation is in the cover intra-annular with the chromatographic column, then makes moving mechanism towards the chromatographic column remove through adjustment mechanism, and moving mechanism's removal can drive locking mechanism and remove, and locking mechanism can make the chromatographic column fixed fastening, and when equipment is at the time of the operation, the rocking of chromatographic column can be cooperated by slewing mechanism, consequently, can make the chromatographic column fixed stable, realizes the effect of being convenient for the filling operation.
2. When the chromatographic column tube moves, the connecting rod moves, the rotating ball rotates in the rotating groove, and the rotating ball can provide a certain movement amplitude for the chromatographic column tube.
3. According to the low-pressure liquid chromatography column loading machine, after the locking block is in contact with the chromatography column tube, the locking block slides in the locking groove, so that the locking spring is deformed, and the deformation of the locking spring is reversed, so that the locking block can fix the chromatography column tube.
Drawings
FIG. 1 is a schematic perspective view of a low pressure liquid chromatograph column loader according to the present utility model;
FIG. 2 is a schematic diagram showing the structure of a rotary ball of a column loader for low pressure liquid chromatography;
FIG. 3 is an enlarged schematic view of FIG. 2A;
fig. 4 is a schematic structural view of a salient connecting rod of a low-pressure liquid chromatography column packing machine according to the present utility model.
In the figure: 1. a chromatographic column loading machine body; 2. a connecting rod; 3. a collar; 4. a rotating ball; 5. a rotating groove; 6. a threaded rod; 7. a threaded hole; 8. a moving block; 9. a moving groove; 10. a locking block; 11. a locking groove; 12. a locking spring; 13. a protective pad; 14. a protrusion.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Referring to fig. 1-4, a low pressure liquid chromatograph column loader comprises a chromatograph column loader body 1, wherein a rotating mechanism is arranged on one side of the chromatograph column loader body 1, a connecting rod 2 is fixedly connected on one side of the rotating mechanism, a lantern ring 3 is fixedly connected on one side of the connecting rod 2, an adjusting mechanism is arranged on one side of the lantern ring 3, a moving mechanism is arranged on one side of the adjusting mechanism, and a locking mechanism is arranged on one side of the moving mechanism.
The slewing mechanism includes the pivoted ball 4 with connecting rod 2 fixed connection, and the pivoted slot 5 has been seted up to one side of chromatographic column loading machine body 1, and pivoted slot 5's inner wall and pivoted ball 4 form normal running fit, and when the chromatographic column takes place the motion, connecting rod 2 can take place the motion, pivoted ball 4 at pivoted slot 5 internal rotation this moment, and pivoted ball 4's rotation can provide certain motion range for the chromatographic column.
The adjusting mechanism comprises a threaded rod 6, one side outer wall of the lantern ring 3 is provided with a threaded hole 7 which is connected with the threaded rod 6 through threads, and the moving mechanism can be moved through rotation of the threaded rod 6 in the threaded hole 7.
The moving mechanism comprises a moving block 8, a moving groove 9 communicated with the threaded hole 7 is formed in the inner wall of one side of the lantern ring 3, the threaded rod 6 is connected with the moving block 8 through a bearing, and the locking mechanism can be tightly attached to the surface of the chromatographic column through sliding of the moving block 8 in the moving groove 9, so that the chromatographic column is fixed and stable.
The locking mechanism comprises a locking block 10, a locking groove 11 which is in sliding fit with the locking block 10 is formed in one side of the moving block 8, one locking spring 12 is fixedly connected between the inner wall of one side of the locking groove 11 and one side of the locking block 10, after the locking block 10 is in contact with a chromatographic column, the locking block 10 slides in the locking groove 11, the locking spring 12 can deform, and the deformation of the locking spring 12 is reversed, so that the locking block 10 can fix the chromatographic column.
The locking block 10 is of an arc-shaped structure, and the contact area between the locking block 10 and the chromatographic column tube can be increased through the locking block 10 of the arc-shaped structure, so that the chromatographic column tube is fixed and stable.
One side of the locking block 10 and the inner wall of the lantern ring 3 are fixedly connected with a protection pad 13, the protection pad 13 is made of rubber, and friction force between the locking block 10 and the chromatographic column tube can be increased through the protection pad 13, so that the chromatographic column tube is fixed and stable.
The fixed surface of protection pad 13 is provided with a plurality of evenly distributed's arch 14, and protruding 14 and protection pad 13 integrated into one piece, can increase the roughness on protection pad 13 surface through protruding 14, further makes chromatographic column tube fixed stable.
Working principle: during operation, place the chromatographic column in the lantern ring 3, then make shifter towards the chromatographic column remove through adjustment mechanism, shifter's removal can drive locking mechanism and remove, and locking mechanism can make the chromatographic column fixed fastening, and when equipment is in the operation, the rocking of chromatographic column can be cooperateed by slewing mechanism, consequently, can make the chromatographic column fixed stable, realizes the effect of being convenient for the filling operation.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. The utility model provides a low pressure liquid chromatography dress post machine, includes chromatographic dress post machine body (1), its characterized in that, one side of chromatographic dress post machine body (1) is provided with slewing mechanism, one side fixedly connected with connecting rod (2) of slewing mechanism, one side fixedly connected with lantern ring (3) of connecting rod (2), one side of lantern ring (3) is provided with adjustment mechanism, one side of adjustment mechanism is provided with moving mechanism, one side of moving mechanism is provided with locking mechanism.
2. The low-pressure liquid chromatography column packing machine according to claim 1, wherein the rotating mechanism comprises a rotating ball (4) fixedly connected with the connecting rod (2), a rotating groove (5) is formed in one side of the chromatography column packing machine body (1), and the inner wall of the rotating groove (5) is in rotating fit with the rotating ball (4).
3. The low pressure liquid chromatography column packing machine according to claim 1, wherein the adjusting mechanism comprises a threaded rod (6), and a threaded hole (7) connected with the threaded rod (6) through threads is formed in the outer wall of one side of the lantern ring (3).
4. A low pressure liquid chromatograph column packing machine according to claim 3, characterized in that the moving mechanism comprises a moving block (8), a moving groove (9) communicated with the threaded hole (7) is formed in the inner wall of one side of the lantern ring (3), and the threaded rod (6) is connected with the moving block (8) through a bearing.
5. The low pressure liquid chromatography column packing machine according to claim 4, wherein the locking mechanism comprises a locking block (10), a locking groove (11) which is in sliding fit with the locking block (10) is formed in one side of the moving block (8), and the same locking spring (12) is fixedly connected between one side inner wall of the locking groove (11) and one side of the locking block (10).
6. The low pressure liquid chromatography column packing machine according to claim 5, wherein the locking block (10) has a circular arc structure.
7. The low pressure liquid chromatography column packing machine according to claim 6, wherein a protection pad (13) is fixedly connected to one side of the locking block (10) and the inner wall of the collar (3), and the protection pad (13) is made of rubber.
8. The low pressure liquid chromatography column packing machine according to claim 7, wherein a plurality of evenly distributed protrusions (14) are fixedly arranged on the surface of the protection pad (13), and the protrusions (14) and the protection pad (13) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222576445.7U CN219307995U (en) | 2022-09-28 | 2022-09-28 | Low-pressure liquid chromatography column loading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222576445.7U CN219307995U (en) | 2022-09-28 | 2022-09-28 | Low-pressure liquid chromatography column loading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219307995U true CN219307995U (en) | 2023-07-07 |
Family
ID=87020611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222576445.7U Active CN219307995U (en) | 2022-09-28 | 2022-09-28 | Low-pressure liquid chromatography column loading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219307995U (en) |
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2022
- 2022-09-28 CN CN202222576445.7U patent/CN219307995U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240604 Address after: 714000 West Section of Wei'er Road, West District, Provincial High tech Industrial Development Zone, Pucheng County, Weinan City, Shaanxi Province Patentee after: Shaanxi Siweisi New Materials Co.,Ltd. Country or region after: China Address before: 214000 Nan'an Road, Zou Dagu bridge, Houzhai, Hongshan Town, Binhu District, Wuxi City, Jiangsu Province Patentee before: WUXI GREEN SEPARATION TECHNOLOGY INSTITUTE Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |