CN220530736U

CN220530736U - Chromatographic column structure

Info

Publication number: CN220530736U
Application number: CN202322028296.5U
Authority: CN
Inventors: 王莉明; 张立波
Original assignee: Five Hertz Innovation Xiamen Medical Technology Co ltd
Current assignee: Five Hertz Innovation Xiamen Medical Technology Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-02-27
Anticipated expiration: 2033-07-31

Abstract

The utility model discloses a chromatographic column structure, which belongs to the technical field of chromatographic columns and comprises a column body and a connecting piece, wherein the connecting piece is connected with the bottom of the column body in a screwed mode, a connecting cylinder body is arranged on the top side of the column body, a sealing cover is connected on the connecting cylinder body in a screwed mode, one end, far away from the column body, of the connecting piece is connected with a discharging tube in a screwed mode, a control valve is arranged on the discharging tube, a filter plate is installed in the connecting piece, and a filter screen is arranged on the filter plate.

Description

Chromatographic column structure

Technical Field

The utility model relates to the technical field of chromatographic columns, in particular to a chromatographic column structure.

Background

The chromatographic column is a main body in gel chromatography technology, and is a core component for determining analysis performance of a high performance liquid chromatography device, and sample component analysis is performed based on the high performance liquid chromatography device.

Chinese patent document publication No. CN207950749U discloses a chromatographic column head, which increases the flow of the liquid to be tested by increasing the channel, thereby improving the accuracy of the test; the device is installed the time need locate the filter screen cover on the screen cloth support, because the filter screen has elasticity and the size is less for the cover is established the condition that the process filter screen is easy to slide with the screen cloth support and appears droing, leads to the filter screen cover to establish the process degree of difficulty great.

Disclosure of Invention

In order to overcome the defects of the prior art, the technical problem to be solved by the utility model is to provide a chromatographic column structure which improves the convenience of disassembly and assembly of a filter screen and avoids the influence of the falling-off condition of the filter screen on the working efficiency.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a chromatographic column structure which comprises a column body and a connecting piece, wherein the connecting piece is connected to the bottom of the column body in a screwed mode, scale marks are arranged on the outer wall of the column body, a connecting cylinder body is arranged on the top side of the column body, and a sealing cover is connected to the connecting cylinder body in a screwed mode;

the utility model discloses a filter, including cylinder, connecting piece, filter, connecting piece, discharging barrel, connecting piece keep away from cylinder one end spiro union and have the discharging barrel, discharging barrel bottom is connected with the discharging pipe, be provided with the control valve on the discharging pipe, connecting piece internally mounted has the filter, be provided with the filter screen on the filter.

The preferable technical scheme of the utility model is that the connecting piece comprises an upper connecting end which is in threaded connection with the inner wall of the cylinder body and a lower connecting end which is in threaded connection with the inner wall of the discharging cylinder body, and a middle end is arranged between the upper connecting end and the lower connecting end.

The preferable technical scheme of the utility model is that the filter plate is inserted into the middle end.

The preferable technical scheme of the utility model is that the two sides of the filter plate are provided with the connecting handles, and the upper side and the lower side of the two groups of connecting handles are respectively corresponding to the cylinder body and the discharging cylinder body.

The preferable technical scheme of the utility model is that a connecting table for installing and supporting the filter plate is arranged on the inner wall of the middle end.

The preferable technical scheme of the utility model is that both sides of the middle end are respectively provided with a limit groove and a guide groove, and the filter plate passes through the guide groove and is arranged on the connecting table.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the filter plate with the filter screen is arranged in the middle end, as the two ends of the middle end are fixedly connected with the upper connecting end and the lower connecting end respectively, the lower connecting end is in threaded connection with the inner wall of the discharging cylinder, then the upper connecting end is in threaded connection with the cylinder, so that the discharging cylinder is communicated with the cylinder, the sealing cover is opened, the eluent is poured into the cylinder along the opening of the connecting cylinder, the specified eluent is added according to the action of the scale mark, the sealing cover is arranged on the top side of the connecting cylinder, the eluent is subjected to the chromatographic action through the filter screen, the control valve is opened, and the eluent is discharged through the liquid outlet pipe, so that the chromatographic work is completed, and when the filter plate is detached or replaced, the filter plate is only required to be pulled away from the middle end to replace the sleeved installation mode, the condition that the falling off and the like occur in the filter screen installation process is avoided, the difficulty of the filter screen installation is reduced, the convenience of the filter screen assembly and disassembly is improved, and the efficiency of the chromatographic work is improved.

The chromatographic column structure provided by the utility model has the advantages that the disassembly and assembly convenience of the filter screen is improved, and the influence on the working efficiency caused by the falling-off condition of the filter screen is avoided.

Drawings

FIG. 1 is a schematic diagram of a chromatographic column provided in an embodiment of the utility model;

FIG. 2 is an enlarged schematic view of the structure shown in FIG. 1A, provided in an embodiment of the present utility model;

FIG. 3 is a schematic view of the mounting structure of the intermediate end and the filter plate provided in the embodiment of the utility model;

FIG. 4 is a schematic view of the intermediate end structure provided in an embodiment of the present utility model;

FIG. 5 is a schematic view of a filter plate according to an embodiment of the present utility model;

in the drawings, the list of components represented by the various numbers is as follows:

1. a column; 2. a connecting cylinder; 21. sealing cover; 3. a discharging cylinder; 4. a discharge pipe; 41. a control valve; 5. a connecting piece; 51. an upper connection end; 52. a lower connection end; 53. a middle end; 54. a connection station; 55. a guide groove; 56. a limit groove; 6. a filter plate; 61. a filter screen; 62. a handle is connected.

Detailed Description

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

The chromatographic column structure comprises a column body 1 and a connecting piece 5, wherein the connecting piece 5 is in threaded connection with the bottom of the column body 1, scale marks are arranged on the outer wall of the column body 1, a connecting cylinder body 2 is arranged on the top side of the column body 1, and a sealing cover 21 is in threaded connection with the connecting cylinder body 2;

the connecting piece 5 is kept away from cylinder 1 one end spiro union and has ejection of compact barrel 3, ejection of compact barrel 3 bottom is connected with discharging pipe 4, be provided with control valve 41 on the discharging pipe 4, connecting piece 5 internally mounted has filter 6, be provided with filter screen 61 on the filter 6.

The connecting piece 5 comprises an upper connecting end 51 in threaded connection with the inner wall of the cylinder 1 and a lower connecting end 52 in threaded connection with the inner wall of the discharging cylinder 3, and an intermediate end 53 is arranged between the upper connecting end 51 and the lower connecting end 52; the filter plate 6 is inserted inside the intermediate end 53.

The filter plate 6 with the filter screen 61 is arranged in the middle end 53, as the two ends of the middle end 53 are fixedly connected with the upper connecting end 51 and the lower connecting end 52 respectively, the lower connecting end 52 is in threaded connection with the inner wall of the discharging cylinder 3, then the discharging cylinder 3 is in threaded connection with the cylinder 1 through the upper connecting end 51, the sealing cover 21 is opened, the eluent is poured into the cylinder 1 along the opening of the connecting cylinder 2, the specified eluent is added according to the action of the scale mark, the sealing cover 21 is arranged on the top side of the connecting cylinder 2, the eluent is subjected to the chromatography action through the filter screen 61, the control valve 41 is opened, and is discharged through the discharging pipe 4, so that the chromatography work is completed.

As a possible implementation manner of the scheme, preferably, the two sides of the filter plate 6 are provided with the connecting handles 62, the upper side and the lower side of the two groups of connecting handles 62 are respectively corresponding to the cylinder 1 and the discharging cylinder 3, the connecting handles 62 are utilized to realize the installation and the disassembly of the filter plate 6 and the middle end 53, the installation difficulty of the filter screen 61 is reduced, and the chromatography working efficiency is improved.

As a possible implementation manner of this solution, preferably, the inner wall of the middle end 53 is provided with a connection table 54 for installing and supporting the filter plate 6, and the filter plate 6 is inserted into the middle end 53 by using a connection handle 62 and supported on the connection table 54, so as to improve the stability of installing the filter plate 6 and ensure that the chromatography work is performed stably.

As a possible implementation manner of this solution, preferably, both sides of the middle end 53 are respectively provided with a limiting groove 56 and a guiding groove 55, the filter plate 6 is installed on the connection platform 54 along the guiding groove 55 in a penetrating manner, so that the connecting handle 62 on one side penetrates into and passes through the limiting groove 56 along the guiding groove 55, the filter plate 6 is installed on the connection platform 54, and the connecting handle 62 on the other side is located outside the guiding groove 55, so that the subsequent removal and replacement of the filter plate 6 are facilitated.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The utility model is not to be limited by the specific embodiments disclosed herein, and other embodiments are within the scope of the utility model as defined by the claims of the present application.

Claims

1. A chromatographic column structure, characterized in that: the novel anti-theft device comprises a column body (1) and a connecting piece (5), wherein the connecting piece (5) is in threaded connection with the bottom of the column body (1), scale marks are arranged on the outer wall of the column body (1), a connecting cylinder body (2) is arranged on the top side of the column body (1), and a sealing cover (21) is in threaded connection with the connecting cylinder body (2);

the utility model discloses a filter, including cylinder (1), connecting piece (5), discharge barrel (3) are kept away from to connecting piece (5), cylinder (1) one end spiro union has, discharge barrel (3) bottom is connected with discharging pipe (4), be provided with control valve (41) on discharging pipe (4), connecting piece (5) internally mounted has filter (6), be provided with filter screen (61) on filter (6).

2. A chromatography column structure according to claim 1, wherein:

the connecting piece (5) comprises an upper connecting end (51) in threaded connection with the inner wall of the cylinder (1) and a lower connecting end (52) in threaded connection with the inner wall of the discharging cylinder (3), and a middle end (53) is arranged between the upper connecting end (51) and the lower connecting end (52).

3. A chromatography column structure according to claim 1, wherein:

the filter plate (6) is inserted into the middle end (53).

4. A chromatography column structure according to claim 1, wherein:

the two sides of the filter plate (6) are provided with connecting handles (62), and the upper side and the lower side of the two groups of connecting handles (62) are respectively corresponding to the cylinder (1) and the discharging cylinder (3).

5. A chromatography column structure according to claim 3, wherein:

the inner wall of the middle end (53) is provided with a connecting table (54) for installing and supporting the filter plate (6).

6. A chromatography column structure according to claim 5, wherein:

limiting grooves (56) and guide grooves (55) are respectively formed in two sides of the middle end (53), and the filter plates (6) penetrate through the connecting table (54) along the guide grooves (55).