CN209946089U - Liquid chromatography column port joint - Google Patents
Liquid chromatography column port joint Download PDFInfo
- Publication number
- CN209946089U CN209946089U CN201920553840.9U CN201920553840U CN209946089U CN 209946089 U CN209946089 U CN 209946089U CN 201920553840 U CN201920553840 U CN 201920553840U CN 209946089 U CN209946089 U CN 209946089U
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- China
- Prior art keywords
- column
- screw hole
- groove
- port
- liquid chromatography
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000004811 liquid chromatography Methods 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 9
- 239000000945 filler Substances 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Treatment Of Liquids With Adsorbents In General (AREA)
Abstract
The utility model discloses a liquid chromatography column port connects. Relates to the technical field of liquid chromatographic columns. The utility model comprises a column pipe joint, a cover body is arranged in a screw hole I arranged at one end of the column pipe joint, and the cover body is compressed and sealed by a plunger arranged in the screw hole; a screw hole II at the other end of the column pipe joint is internally meshed with a connecting port of the column pipe, the bottom of the screw hole II is provided with an annular groove, a sealing ring is arranged in the annular groove in a matched mode, and meanwhile a sieve plate is arranged at the bottom of the screw hole II; the plunger, the cover body and the column tube joint which are sequentially arranged are all provided with through holes and communicated with the inside of the column tube; the interior of the column tube is provided with a filler. The utility model discloses a swivel nut one and swivel nut two constitute column pipe joint, when the convenient installation is on the tubular column, the convenient change to the filter plate adopts the lid as the carrier simple structure of filter plate, and the junction installs the sealing washer in addition and guarantees sealed reliability.
Description
Technical Field
The utility model belongs to the technical field of the liquid chromatography post, especially, relate to a liquid chromatography post port connects.
Background
The liquid chromatograph mainly comprises: the high-pressure liquid delivery pump, the sample injector, the chromatographic column, the detector and other structures, wherein the chromatographic column is called as the heart of the chromatograph, and the performance of the chromatographic column directly influences the separation, analysis and detection effects of the whole chromatographic system. The existing structure is inconvenient to disassemble and assemble.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a liquid chromatography column port connects constitutes column pipe through swivel nut one and swivel nut two and connects, when the convenient installation is on the tubular column, and the convenient change to the filter plate adopts the lid as the carrier simple structure of filter plate, and the junction installs the sealing washer in addition and guarantees sealed reliability, has solved the inconvenient dismantlement of current structure and the problem of installation.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a liquid chromatographic column port joint, in particular to a liquid chromatographic column port joint, which comprises a column pipe joint,
a cover body is arranged in a screw hole I formed in one end of the column pipe joint, and the cover body is compressed and sealed through a plunger arranged in the screw hole;
a screw hole II at the other end of the column pipe joint is internally meshed with a connecting port of a column pipe, an annular groove is formed in the bottom of the screw hole II, a sealing ring is arranged in the annular groove in a matched mode, and a sieve plate is arranged at the bottom of the screw hole II;
the column tube joint comprises a first threaded sleeve and a second threaded sleeve, a convex column is arranged on one end face of the first threaded sleeve, a groove is formed in the mounting end face of the second threaded sleeve opposite to the first threaded sleeve, the first threaded sleeve is meshed with a screw head arranged at one end of the second threaded sleeve through a nut rotatably mounted at one end, and meanwhile, the convex column is mounted in the groove in a matched mode;
the plunger, the cover body and the column tube joint which are sequentially arranged are all provided with through holes and communicated with the interior of the column tube; and the inside of the column tube is provided with a filler.
Furthermore, a filter plate is arranged in the cover body, the opening end of the cover body is installed in the screw hole I in a matched mode, an annular groove is formed in the screw hole I, and a wide sealing ring is installed at the bottom of the annular groove.
Furthermore, the cross section of the ring groove is the same as that of the sealing ring and is trapezoidal.
Furthermore, the port of the convex column is provided with an arc-shaped bulge, the opening of the groove port is provided with an arc-shaped groove for matching, and a fine sealing ring is arranged between the end surface of the arc-shaped bulge and the end surface of the groove.
Furthermore, the first screw sleeve limits the moving direction of the nut through the limiting ring.
Further, the length of the internal thread of the nut is smaller than that of the external thread of the screw head.
The utility model discloses following beneficial effect has:
the utility model discloses a swivel nut one and swivel nut two constitute column pipe joint, when the convenient installation is on the tubular column, the convenient change to the filter plate adopts the lid as the carrier simple structure of filter plate, can carry out quick dismantlement and installation, and the junction installs the sealing washer in addition and guarantees sealed reliability.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the sectional blasting structure of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-plunger, 2-cover body, 3-first thread sleeve, 301-convex column, 302-arc bulge, 303-limit ring, 4-nut, 5-sieve plate, 501-ring groove, 502-screw head, 503-groove, 6-second thread sleeve, 7-column tube, 8-filler, 9-sealing ring, 10-wide sealing ring, 11-filter plate and 12-fine sealing ring.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1, the present invention relates to a liquid chromatography column port connector, which comprises a column tube connector,
a first screw hole formed in one end of the column pipe joint is internally provided with a cover body 2, and the cover body 2 is pressed and sealed through a plunger 1 arranged in the screw hole;
a screw hole II at the other end of the column pipe joint is internally meshed with a connecting port of a column pipe 7, the bottom of the screw hole II is provided with an annular groove 501, a sealing ring 9 is arranged in the annular groove 501 in a matched manner, and meanwhile, the bottom of the screw hole II is provided with a sieve plate 5;
the column tube joint comprises a first threaded sleeve 3 and a second threaded sleeve 6, a convex column 301 is arranged on one end face of the first threaded sleeve 3, a groove 503 is arranged on the installation end face of the second threaded sleeve 6 opposite to the first threaded sleeve 3, the first threaded sleeve 3 is meshed with a threaded head 502 arranged at one end of the second threaded sleeve 6 through a nut 4 rotatably installed at one end, and meanwhile, the convex column 301 is installed in the groove 503 in a matched mode;
the plunger 1, the cover body 2 and the column tube joint which are sequentially arranged are all provided with through holes and communicated with the inside of the column tube 7; the interior of the column tube 7 is provided with a packing 8.
Wherein, be equipped with filter plate 11 in the lid 2, the open end of lid 2 is installed in screw one simultaneously and is opened annular groove in, and the bottom in annular groove simultaneously is installed wide sealing washer 10.
The cross section of the ring groove 501 is the same as that of the seal ring 9, and is trapezoidal.
Wherein, the port of the convex column 301 is provided with an arc-shaped protrusion 302, and an arc-shaped groove arranged at the port of the groove 503 is matched with the port, and a fine sealing ring 12 is arranged between the end surface of the arc-shaped protrusion 302 and the end surface of the groove 503.
Wherein, the first screw sleeve 3 limits the moving direction of the nut 4 through the limit ring 303.
Wherein, the length of the internal thread of the nut 4 is less than the length of the external thread of the screw head 502.
Constitute the column pipe joint through swivel nut one 3 and swivel nut two 6, when convenient installation is on tubular column 7, the convenient change to filter plate 11 adopts lid 2 as the carrier simple structure of filter plate 11, can carry out quick dismantlement and installation, and the junction installs the sealing washer in addition and guarantees sealed reliability.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a liquid chromatography column port connects, includes column tube joint, its characterized in that:
a cover body (2) is installed in a screw hole I formed in one end of the column pipe joint, and the cover body (2) is compressed and sealed through a plunger (1) installed in the screw hole;
a connecting port of a column pipe (7) is internally meshed with a screw hole II at the other end of the column pipe joint, an annular groove (501) is formed in the bottom of the screw hole II, a sealing ring (9) is installed in the annular groove (501) in a matched mode, and a sieve plate (5) is arranged at the bottom of the screw hole II;
the column tube joint comprises a first threaded sleeve (3) and a second threaded sleeve (6), a convex column (301) is arranged on one end face of the first threaded sleeve (3), a groove (503) is formed in the installation end face, opposite to the first threaded sleeve (3), of the second threaded sleeve (6), the first threaded sleeve (3) is installed in a meshed mode through a nut (4) with one end rotatably installed and a threaded head (502) arranged at one end of the second threaded sleeve (6), and meanwhile the convex column (301) is installed in the groove (503) in a matched mode;
the plunger (1), the cover body (2) and the column pipe joint which are sequentially installed are all provided with through holes and communicated with the inside of the column pipe (7); and a filler (8) is arranged in the column tube (7).
2. The liquid chromatography column port adapter of claim 1, wherein the cover (2) is provided with a filter plate (11), the open end of the cover (2) is fittingly installed in a screw hole with an annular groove, and the bottom of the annular groove is provided with a wide sealing ring (10).
3. The liquid chromatography column port connection of claim 1, wherein the cross section of the ring groove (501) is the same as the cross section of the sealing ring (9) and is trapezoidal.
4. The liquid chromatography column port adapter as claimed in claim 1, wherein the port of the convex column (301) is provided with an arc-shaped protrusion (302) and is matched with an arc-shaped groove formed at the port of the groove (503), and a fine sealing ring (12) is arranged between the end surface of the arc-shaped protrusion (302) and the end surface of the groove (503).
5. The liquid chromatography column port connection according to claim 1, wherein the first thread insert (3) defines the movement direction of the nut (4) by means of a stop collar (303).
6. A liquid chromatography column port fitting according to claim 1, characterized in that the length of the internal thread of the nut (4) is smaller than the length of the external thread of the screw head (502).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920553840.9U CN209946089U (en) | 2019-04-23 | 2019-04-23 | Liquid chromatography column port joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920553840.9U CN209946089U (en) | 2019-04-23 | 2019-04-23 | Liquid chromatography column port joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209946089U true CN209946089U (en) | 2020-01-14 |
Family
ID=69129248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920553840.9U Expired - Fee Related CN209946089U (en) | 2019-04-23 | 2019-04-23 | Liquid chromatography column port joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209946089U (en) |
-
2019
- 2019-04-23 CN CN201920553840.9U patent/CN209946089U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200114 |