CN220558588U - Liquid chromatographic column with easily replaced screen plate - Google Patents
Liquid chromatographic column with easily replaced screen plate Download PDFInfo
- Publication number
- CN220558588U CN220558588U CN202322059874.1U CN202322059874U CN220558588U CN 220558588 U CN220558588 U CN 220558588U CN 202322059874 U CN202322059874 U CN 202322059874U CN 220558588 U CN220558588 U CN 220558588U
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- CN
- China
- Prior art keywords
- sieve
- elastic sheet
- column body
- sieve plate
- column
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- 239000007788 liquid Substances 0.000 title claims abstract description 10
- 238000012856 packing Methods 0.000 claims abstract description 8
- 238000004811 liquid chromatography Methods 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Landscapes
- Treatment Of Liquids With Adsorbents In General (AREA)
Abstract
The utility model provides a liquid chromatographic column with a sieve plate easy to replace, which comprises a column body, wherein a packing layer is filled in the column body, the column body is of a hollow structure, threaded ports are arranged at two ends of the column body, the sieve plate is inserted into the column body, a connecting sheet is fixedly connected to the edge of the top surface of the sieve plate, an elastic sheet is fixedly connected to the top end of the connecting sheet, and the elastic sheet is hooked on the end surface of the threaded port. The utility model has the advantages that: through the cooperation setting of sieve, connection piece, elastic sheet, improve the sieve structure, the sieve is connected with connection piece and elastic sheet, and inside the back is plugged into to the sieve, the elastic sheet colludes on the terminal surface of screw thread port to the elastic sheet is the perk, after the end cap installation, the elastic sheet is flattened, and after the end cap was taken away, the elastic sheet still perk, when needs change the sieve, only need to mention connection piece and sieve through the elastic sheet in cylinder port department can, the sieve takes out very conveniently, thereby can quick replacement new sieve.
Description
Technical Field
The utility model relates to the technical field of chromatographic columns, in particular to a liquid chromatographic column with a sieve plate easy to replace.
Background
A chromatographic column is a device used to separate and purify the different components of a mixture.
In the prior art, the chromatographic column consists of a column body, an internal filler, a sieve plate and a plug.
In the prior art, the sieve plate is directly plugged into the column body, the effect of the sieve plate is to prevent the filler layer from leaking, secondly, particles are prevented from entering the column body, when the sieve plate is replaced subsequently, tools such as tweezers are needed to be used for pulling out and clamping out, the operation space is very small, the sieve plate is not easy to take out, and the sieve plate is very inconvenient.
Disclosure of Invention
The object of the present utility model is to solve at least one of the technical drawbacks.
Therefore, an object of the present utility model is to provide a liquid chromatography column with a screen plate easy to replace, so as to solve the problems mentioned in the background art and overcome the defects in the prior art.
In order to achieve the above object, an embodiment of an aspect of the present utility model provides a liquid chromatography column with a screen plate easy to replace, which includes a column body, wherein the column body is filled with a packing layer, the column body is of a hollow structure, and two ends of the column body are provided with threaded ports;
the inside of the column body is inserted with a sieve plate, a connecting sheet is fixedly connected to the edge of the top surface of the sieve plate, an elastic sheet is fixedly connected to the top end of the connecting sheet, the elastic sheet is hooked on the end surface of the threaded port, and the included angle between the connecting sheet and the elastic sheet is an acute angle;
the end part of the plug is fixedly connected with a hexagon head, and the end part of the hexagon head is fixedly connected with an interface.
In any of the above embodiments, preferably, the cylinder is made of stainless steel, and the threaded port is located on an outer surface of the cylinder.
The technical scheme is adopted: the chromatographic column consists of three parts, including a column body and an inner packing layer structure, a sieve plate with two functions, a connecting sheet and an elastic sheet structure, and a sieve plate with 2 μm aperture and a plug, a hexagonal head and an interface structure.
By any of the above schemes, it is preferable that the shape of the sieve plate is matched with the shape of the inside of the column, and the sieve plate, the connecting sheet and the elastic sheet are in an integrated structure.
The technical scheme is adopted: compared with the prior art, the sieve plate is directly plugged into the column body in the prior art, and when the sieve plate is replaced subsequently, tools such as tweezers are needed to be used for digging out and clamping out, so that the operation space is very small, the sieve plate is not easy to take out, and the sieve plate is very inconvenient.
The core structure of this device is: the sieve, connection piece, elastic piece, the core advantage of this device is: the structure of the sieve plate is improved, the sieve plate is connected with a connecting sheet and an elastic sheet, after the sieve plate is plugged into the cylinder, the elastic sheet is hooked on the end face of the threaded port, and the elastic sheet is tilted, after the plug is installed, the elastic sheet is flattened, after the plug is taken away, the elastic sheet is tilted, when the sieve plate needs to be replaced, the connecting sheet and the sieve plate only need to be lifted at the cylinder port through the elastic sheet, and the sieve plate is very convenient to take out, so that a new sieve plate can be replaced quickly.
By any of the above schemes, it is preferable that the sieve plate is positioned at two ends of the packing layer inside the column body, and the sieve plate is made of stainless steel.
In any of the above embodiments, it is preferable that the connecting piece is located inside the column, and an end of the elastic piece is flattened by an inner edge of the plug.
It is preferable in any of the above aspects that the plug, the hexagonal head and the interface are integrally formed.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
this liquid chromatographic column that sieve easily changes, through the cooperation setting of sieve, connection piece, elastic sheet, improve the sieve structure, the sieve is connected with connection piece and elastic sheet, the inside back of cylinder is plugged into to the sieve, the elastic sheet colludes on the terminal surface of screw thread port, and the elastic sheet is the perk, after the end cap installation, the elastic sheet is flattened, the end cap is taken away the back, the elastic sheet still perk, when needing to change the sieve, only need to mention connection piece and sieve through the elastic sheet in cylinder port department can, the sieve takes out very conveniently, thereby but quick replacement new sieve.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the column of the present utility model;
FIG. 3 is a schematic view of the structure of the plug of the present utility model when not installed;
FIG. 4 is a schematic view of the structure of the screen deck of the present utility model;
fig. 5 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.
In the figure: 1-column, 2-screw thread port, 3-sieve, 4-connection piece, 5-elastic piece, 6-end cap, 7-hexagon head, 8-interface.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1-5, the liquid chromatographic column with the easily replaced screen plate comprises a column body 1, wherein a packing layer is filled in the column body 1, the column body 1 is of a hollow structure, and threaded ports 2 are arranged at two ends of the column body 1;
the inside of the column body 1 is inserted with a sieve plate 3, a connecting sheet 4 is fixedly connected at the edge of the top surface of the sieve plate 3, the top end of the connecting sheet 4 is fixedly connected with an elastic sheet 5, the elastic sheet 5 is hooked on the end surface of the threaded port 2, and the included angle between the connecting sheet 4 and the elastic sheet 5 is an acute angle;
the threaded port 2 is connected with a plug 6 in a threaded mode, the end portion of the plug 6 is fixedly connected with a hexagon head 7, and the end portion of the hexagon head 7 is fixedly connected with an interface 8.
Example 1: the cylinder 1 is made of stainless steel, and the threaded port 2 is positioned on the outer surface of the cylinder 1. The chromatographic column consists of three parts, wherein the first part is a column body 1 and an internal packing layer structure, the second part is a structure of a sieve plate 3, a connecting sheet 4 and an elastic sheet 5, the sieve plate 3 has two functions, namely, the leakage of the packing layer is prevented, the particulate matters are prevented from entering the column body 1, the aperture of the sieve plate 3 is 2 mu m, and the third part is a structure of a plug 6, a hexagon head 7 and an interface 8.
Example 2: the shape of the sieve plate 3 is matched with the shape inside the column body 1, and the sieve plate 3, the connecting sheet 4 and the elastic sheet 5 are of an integrated structure. The structure of the sieve plate 3 is improved, the sieve plate 3 is connected with a connecting sheet 4 and an elastic sheet 5, after the sieve plate 3 is plugged into the cylinder, the elastic sheet 5 is hooked on the end face of the threaded port 2, the elastic sheet 5 is tilted, after the plug 6 is installed, the elastic sheet 5 is flattened, after the plug 6 is taken away, the elastic sheet 5 is still tilted, when the sieve plate 3 needs to be replaced, the connecting sheet 4 and the sieve plate 3 only need to be lifted at the port of the cylinder 1 through the elastic sheet 5, the sieve plate 3 is very convenient to take out, and the new sieve plate 3 can be replaced quickly. The sieve plate 3 is positioned at two ends of the filler layer in the column 1, and the sieve plate 3 is made of stainless steel. The connecting piece 4 is positioned on the inner side of the column 1, and the end part of the elastic piece 5 is flattened by the inner edge of the plug 6. The plug 6, the hexagonal head 7 and the interface 8 are of an integrated structure. The screen plate 3 has two functions, one is to prevent the filler layer from leaking and the other is to block particulate matter from entering the column 1.
The working principle of the utility model is as follows:
s1, separating the solvent in the form of an organic compound mixture by using a chromatographic column. In the column, the organic solvent enters as a liquid and then exits at the other end of the column;
s2, the sieve plate 3 has two functions, namely, the leakage of the filler layer is prevented, and the particulate matters are prevented from entering the cylinder 1;
s3, after the sieve plate 3 is plugged into the cylinder, the elastic piece 5 is hooked on the end face of the threaded port 2, the elastic piece 5 is tilted, after the plug 6 is installed, the elastic piece 5 is flattened, after the plug 6 is taken away, the elastic piece 5 is still tilted, and when the sieve plate 3 needs to be replaced, only the connecting piece 4 and the sieve plate 3 need to be lifted at the port of the cylinder 1 through the elastic piece 5.
Compared with the prior art, the utility model has the following beneficial effects compared with the prior art:
this liquid chromatographic column that sieve easily changes, through the cooperation setting of sieve 3, connection piece 4, elastic piece 5, improve sieve 3 structure, the sieve 3 is connected with connection piece 4 and elastic piece 5, the inside back of cylinder is plugged into to sieve 3, elastic piece 5 colludes on the terminal surface of screw port 2, and elastic piece 5 is the perk, after end cap 6 installation, elastic piece 5 is flattened, after end cap 6 takes away, elastic piece 5 still perk, when needs change sieve 3, only need mention connection piece 4 and sieve 3 through elastic piece 5 in cylinder 1 port department, the sieve 3 takes out very conveniently, thereby but quick replacement new sieve 3.
Claims (6)
1. The liquid chromatographic column with the easily replaced screen plate comprises a column body (1), wherein a packing layer is filled in the column body (1), and the liquid chromatographic column is characterized in that the column body (1) is of a hollow structure, and threaded ports (2) are arranged at two ends of the column body (1);
the novel threaded port is characterized in that a screen plate (3) is inserted into the cylinder (1), a connecting sheet (4) is fixedly connected to the edge of the top surface of the screen plate (3), an elastic sheet (5) is fixedly connected to the top end of the connecting sheet (4), the elastic sheet (5) is hooked on the end surface of the threaded port (2), and an included angle between the connecting sheet (4) and the elastic sheet (5) is an acute angle;
the threaded port (2) is in threaded connection with a plug (6), the end part of the plug (6) is fixedly connected with a hexagon head (7), and the end part of the hexagon head (7) is fixedly connected with an interface (8).
2. A liquid chromatography column with easily replaceable screen plate according to claim 1, wherein: the cylinder (1) is made of stainless steel, and the threaded port (2) is positioned on the outer surface of the cylinder (1).
3. A liquid chromatography column with easily replaceable screen plate according to claim 2, wherein: the shape of the sieve plate (3) is matched with the shape of the inside of the column body (1), and the sieve plate (3), the connecting sheet (4) and the elastic sheet (5) are of an integrated structure.
4. A liquid chromatography column with easily replaceable screen plate according to claim 3, wherein: the sieve plate (3) is positioned at two ends of the filler layer in the column body (1), and the sieve plate (3) is made of stainless steel.
5. A sieve plate easily replaceable liquid chromatography column according to claim 4, wherein: the connecting piece (4) is positioned on the inner side of the column body (1), and the end part of the elastic piece (5) is flattened by the inner edge of the plug (6).
6. A liquid chromatography column with easily replaceable screen plate according to claim 5, wherein: the plug (6), the hexagonal head (7) and the interface (8) are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322059874.1U CN220558588U (en) | 2023-08-02 | 2023-08-02 | Liquid chromatographic column with easily replaced screen plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322059874.1U CN220558588U (en) | 2023-08-02 | 2023-08-02 | Liquid chromatographic column with easily replaced screen plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220558588U true CN220558588U (en) | 2024-03-08 |
Family
ID=90103680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322059874.1U Active CN220558588U (en) | 2023-08-02 | 2023-08-02 | Liquid chromatographic column with easily replaced screen plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220558588U (en) |
-
2023
- 2023-08-02 CN CN202322059874.1U patent/CN220558588U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |