CN211009872U - Sealing structure of chromatographic column - Google Patents
Sealing structure of chromatographic column Download PDFInfo
- Publication number
- CN211009872U CN211009872U CN201922222591.8U CN201922222591U CN211009872U CN 211009872 U CN211009872 U CN 211009872U CN 201922222591 U CN201922222591 U CN 201922222591U CN 211009872 U CN211009872 U CN 211009872U
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- China
- Prior art keywords
- annular
- ring groove
- end cover
- column tube
- closing plate
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Abstract
The utility model provides a seal structure of chromatographic column, including pillar pipe and end cover, end cover fixed mounting be in the both ends of pillar pipe, the pillar pipe is close to the terminal surface of the one end of end cover is the annular inclined plane of V type, be equipped with ring groove on the end cover, ring groove's diapire department also is the annular inclined plane of V type, the annular inclined plane card of pillar pipe is gone into in the ring groove, the pillar pipe with be equipped with the sealing member between the ring groove, the sealing member includes the closing plate of the V type of two symmetric distributions, one of them the closing plate is close to ring inclined plane, another the closing plate is close to ring groove's diapire, two fixedly connected with a plurality of springs between the closing plate, two it has sealed the pad to bond on the terminal surface of closing plate, it imports and exports still to be equipped with the. The utility model discloses be equipped with the sealing member between column casing and ring groove, this sealing member sealed effectual, long service life.
Description
Technical Field
The utility model relates to a chromatogram technical field, concretely relates to seal structure of chromatographic column.
Background
The liquid chromatographic separation technology is used for effectively separating a mixture sample with multiple components, the core component of the liquid chromatographic separation technology is a liquid chromatographic column, different components flow through the chromatographic packing at different flow rates due to different adsorption forces of the chromatographic packing on the different components, and the time for the different components to flow through the chromatographic column and the content of each component are detected in a detector of a liquid chromatograph, so that the purpose of separation and detection is achieved. The sealing structures at the head and tail of the chromatographic column have a great influence on the performance of the chromatographic column, and therefore, a sealing structure of the chromatographic column is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a seal structure of chromatographic column aiming at the defects of the prior art.
The utility model provides a following technical scheme:
the utility model provides a seal structure of chromatographic column, includes column tube and end cover, end cover fixed mounting is in the both ends of column tube, the column tube is close to the terminal surface of the one end of end cover is the annular inclined plane of V type, be equipped with ring groove on the end cover, ring groove's diapire department also is the annular inclined plane of V type, the annular inclined plane card of column tube is gone into in the ring groove, the column tube with be equipped with the sealing member between the ring groove, the sealing member includes the closing plate of the V type of two symmetric distributions, one of them the closing plate is close to ring inclined plane, another the closing plate is close to ring groove's diapire, two a plurality of springs of fixedly connected with between the closing plate, two it has sealed the pad to bond on the terminal surface of closing plate, it imports and exports still.
Preferably, the pipe wall department of column casing both ends inside still is equipped with the annular plate, be equipped with the filter screen on the annular plate, the lateral wall of the inboard that ring groove corresponds is located the top of filter screen.
Preferably, the end cap is threadedly connected to the column tube.
Preferably, the outer wall department at pillar pipe both ends is equipped with first annular fixed plate, be equipped with a plurality of evenly distributed's bolt hole on the first annular fixed plate.
Preferably, the outer wall of the end cover is provided with a second annular fixing plate, the second annular fixing plate is also provided with a plurality of bolt holes which are uniformly distributed, and the first annular fixing plate and the second annular fixing plate are fixedly connected through bolts.
The utility model has the advantages that:
the utility model is provided with a V-shaped annular inclined plane on the end surface of a column tube, the column tube is inserted into an annular clamping groove of an end cover, a sealing element is arranged between the column tube and the annular clamping groove, the sealing element comprises two V-shaped sealing plates which are symmetrically distributed, one of the sealing plates is close to the annular inclined plane, the other sealing plate is close to the bottom wall of the annular clamping groove, a plurality of springs are fixedly connected between the two sealing plates, sealing gaskets are bonded on the end surfaces of the two sealing plates to play a sealing role, the arrangement of the two sealing plates can better play a sealing role, when the sealing gaskets on the sealing plates close to one end of the column tube are worn, the arrangement of the springs can enable the sealing gaskets to always support the end surface of the column tube, the sealing performance of the sealing element is ensured, when the sealing gaskets on the sealing plates close to one end of the column tube are damaged, the sealing gaskets can be replaced, or, thereby contributing to an increase in the service life of the device.
Drawings
The accompanying drawings are included to provide a further understanding and description of the invention.
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.
Labeled as: 1. a column tube; 2. an end cap; 3. an annular bevel; 4. an annular neck; 5. a sealing plate; 6. a spring; 7. a gasket; 8. a liquid phase inlet and outlet; 9. an annular plate; 10. filtering with a screen; 11. a first annular fixed plate; 12. and a second annular fixing plate.
Detailed Description
Example 1
As shown in fig. 1 and 2, a sealing structure of chromatographic column, including column tube 1 and end cover 2, end cover 2 fixed mounting is at the both ends of column tube 1, end cover 2 and column tube 1 threaded connection, the terminal surface that column tube 1 is close to the one end of end cover 2 is the annular inclined plane 3 of V type, be equipped with ring groove 4 on the end cover 2, the diapire department of ring groove 4 also is the annular inclined plane 3 of V type, ring groove 4 is gone into to annular inclined plane 3 card of column tube 1, the inside pipe wall department in column tube 1 both ends still is equipped with annular slab 9, be equipped with filter screen 10 on the annular slab 9, the inboard lateral wall that ring groove 4 corresponds is located the top of filter screen 10.
Be equipped with the sealing member between pillar pipe 1 and ring groove 4, the sealing member includes the closing plate 5 of the V type of two symmetric distributions, one of them closing plate 5 is close to annular inclined plane 3, another closing plate 5 is close to ring groove 4's diapire, a plurality of springs of fixedly connected with 6 between two closing plate 5, it has sealed the pad 7 to bond on two closing plate 5's the terminal surface, still be equipped with liquid phase exit 8 on the end cover 2, can be equipped with the internal thread in the liquid exit to be connected with other pipelines.
Example 2
As shown in fig. 3, a sealing structure of a chromatography column is different from embodiment 1 in that a first annular fixing plate 11 is disposed at outer walls of two ends of a column tube 1, a plurality of bolt holes are uniformly distributed in the first annular fixing plate 11, a second annular fixing plate 12 is disposed at an outer wall of an end cover 2, a plurality of bolt holes are uniformly distributed in the second annular fixing plate 12, and the first annular fixing plate 11 and the second annular fixing plate 12 are fixedly connected by bolts.
The utility model is provided with a V-shaped annular inclined plane 3 on the end surface of a column tube 1, the column tube 1 is inserted into an annular clamping groove 4 of an end cover 2, a sealing element is arranged between the column tube 1 and the annular clamping groove 4, the sealing element comprises two V-shaped sealing plates 5 which are symmetrically distributed, one sealing plate 5 is close to the annular inclined plane 3, the other sealing plate 5 is close to the bottom wall of the annular clamping groove 4, a plurality of springs 6 are fixedly connected between the two sealing plates 5, sealing gaskets 7 are bonded on the end surfaces of the two sealing plates 5 to play a sealing role, the arrangement of the two sealing plates 5 can better play a sealing role, when the sealing gaskets 7 on the sealing plates 5 close to one end of the column tube 1 are worn, the arrangement of the springs 6 can enable the sealing gaskets 7 to always abut against the end surface of the column tube 1, the sealing performance of the sealing element is ensured, and when the sealing gaskets, the sealing gasket 7 can be replaced, or the undamaged sealing plate 5 close to the bottom wall of the ring-shaped clamping groove 4 can be turned to one side close to the column tube 1 for temporary use, so that the service life of the device can be prolonged.
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 in the foregoing embodiments, or equivalent changes may be made to some of the technical features of the embodiments. 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 (5)
1. The utility model provides a seal structure of chromatographic column, its characterized in that, includes column tube and end cover, end cover fixed mounting be in the both ends of column tube, the column tube is close to the terminal surface of the one end of end cover is the annular inclined plane of V type, be equipped with ring groove on the end cover, ring groove's diapire department also is the annular inclined plane of V type, the annular inclined plane card of column tube is gone into in the ring groove, the column tube with be equipped with the sealing member between the ring groove, the sealing member includes the closing plate of the V type of two symmetric distributions, one of them the closing plate is close to ring inclined plane, another the closing plate is close to ring groove's diapire, two fixedly connected with a plurality of springs between the closing plate, two it has sealed the pad to bond on the terminal surface of closing plate, still be equipped with the liquid phase.
2. A sealing structure of a chromatographic column according to claim 1, wherein an annular plate is further disposed at the inner wall of each of the two ends of the column tube, a filter screen is disposed on the annular plate, and the inner side wall corresponding to the annular clamping groove is located above the filter screen.
3. A sealing arrangement for a chromatography column according to claim 1, wherein said end cap is threadably connected to said column tube.
4. A sealing structure of a chromatographic column according to claim 1, characterized in that a first annular fixing plate is arranged at the outer wall of the two ends of the column tube, and a plurality of bolt holes are uniformly distributed on the first annular fixing plate.
5. A sealing structure of a chromatographic column according to claim 4, characterized in that a second annular fixing plate is arranged on the outer wall of the end cover, a plurality of bolt holes are uniformly distributed on the second annular fixing plate, and the first annular fixing plate and the second annular fixing plate are fixedly connected through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922222591.8U CN211009872U (en) | 2019-12-12 | 2019-12-12 | Sealing structure of chromatographic column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922222591.8U CN211009872U (en) | 2019-12-12 | 2019-12-12 | Sealing structure of chromatographic column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211009872U true CN211009872U (en) | 2020-07-14 |
Family
ID=71472582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922222591.8U Active CN211009872U (en) | 2019-12-12 | 2019-12-12 | Sealing structure of chromatographic column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211009872U (en) |
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2019
- 2019-12-12 CN CN201922222591.8U patent/CN211009872U/en active Active
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