Portable ion chromatograph capable of being detached in split mode

Abstract

The utility model relates to the technical field of chromatographic instruments, and discloses a portable ion chromatographic instrument capable of being detached in a split manner. The portable ion chromatograph capable of being detached in a split mode comprises a bottom plate, a magnet is embedded in the bottom plate, a limiting column is fixedly installed above the bottom plate, a top plate is installed at the upper end of the limiting column in a penetrating mode, a bearing tank is installed above the top plate in a penetrating mode, and a top cover is movably installed at the upper end of the bearing tank. A connecting pipe is installed at the lower end of the receiving tank in a penetrating mode, after installation is completed, the liquid pump can convey a mobile phase into the sample injector through a connecting base, a hose can be taken down by rotating a quick-release head when the liquid pump is not used, and meanwhile bottom plates are movably connected through magnets; after the hose is taken down, the bottom plates on the front side and the rear side can be separated, so that the device is divided into two parts so as to be conveniently stacked or separately stored, the overall size of the device can be adjusted in the mode, and the device can be conveniently stored when not in use.

Description

Technical Field

[0001] The utility model relates to the technical field of ion chromatographs, in particular to a portable and detachable ion chromatograph. Background Art

[0002] Ion chromatograph is a device for chromatographic separation and analysis, including a sampling system, a detection system, a recording and data processing system, a temperature control system, and a mobile phase control system. Modern chromatographs have the characteristics of stability, sensitivity, versatility, and a high degree of automation. There are gas chromatographs, liquid chromatographs, and gel chromatographs. These chromatographs are widely used for the analysis of certain contents of chemical products and polymer materials. Gel chromatography can also determine the molecular weight and distribution of polymer materials. Among them, ion chromatograph is a type of high-performance liquid chromatograph, which is mainly used for the analysis of environmental samples, including anions and cations in samples such as surface water, drinking water, rainwater, and domestic sewage.

[0003] The existing referenceable Chinese utility model patent with announcement number CN213110628U discloses a portable ion chromatograph, including a chassis, a shock-absorbing box is arranged in the chassis, a first spring group is arranged on the bottom surface of the shock-absorbing box, and the first spring group is elastically connected to the bottom surface of the chassis through the first spring group, and the first spring group includes at least four springs; a second spring group is arranged on the four sides of the shock-absorbing box, and the second spring group is elastically connected to the side wall of the chassis through the second spring group, and the second spring group includes at least two springs; a heat-insulating seat for installing a spectral column is arranged in the shock-absorbing box, and the sides of the heat-insulating seat are respectively provided with heat-insulating tubes for installing a catheter, and the heat-insulating seat is connected to the heat-insulating tube, and at least one interface is arranged on the heat-insulating tube, and at least one interface is installed with a cooling fan. The portable ion chromatograph described in the present invention is easy to use, shockproof, has high temperature stability during detection, and stable and reliable analysis results.

[0004] The existing ion chromatograph is large in size and requires a large space to accommodate, which is very inconvenient when stored when idle. At the same time, due to the size problem, it needs to be lifted up when moving, and bumps and other situations may occur during transportation, which may cause damage to the ion chromatograph. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a portable ion chromatograph that can be separated and disassembled, which has the advantages of being easy to store and move, and solves the above-mentioned technical problems.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a portable detachable ion chromatograph, comprising: a bottom plate, a magnet is embedded in the bottom plate, a limiting column is fixedly installed above the bottom plate, a top plate is inserted and installed on the upper end of the limiting column, a receiving tank is inserted and installed above the top plate, a top cover is movably installed on the upper end of the receiving tank, a connecting pipe is inserted and installed on the lower end of the receiving tank, a liquid pump is fixedly installed on the lower end of the connecting pipe, a connecting base is fixedly installed at the rear end of the liquid pump, a hose is movably installed at the end of the connecting base, quick-release heads are fixedly installed at both ends of the hose, an injector is movably installed at the rear end of the hose, a protective column is fixedly installed below the injector, an ion chromatographic column is fixedly installed at the lower end of the protective column, a suppressor is fixedly installed at the rear end of the ion chromatographic column, a detection cell is inserted and installed on the right side of the suppressor, and a conductivity detector is fixedly installed below the detection cell; the bottom plate can support the liquid pump.

[0009] As a preferred technical solution of the utility model, the magnet is symmetrically installed inside the four vertical surfaces of the base plate front and back and left and right with the center of the base plate as the reference, and the limit column is symmetrically installed at the four corners of the base plate with the center of the base plate as the reference, and a fixed connection is formed between the base plate and the limit column; the magnet can facilitate the formation of a movable connection between the base plates.

[0010] As a preferred technical solution of the utility model, the receiving tank is connected to the liquid pump through a connecting pipe, and the bottom surface of the liquid pump is fixedly connected to the bottom plate; the connecting pipe can facilitate the connection between the receiving tank and the liquid pump.

[0011] As a preferred technical solution of the utility model, the connecting base and the quick-release head are connected by a threaded structure, and the hose is movably connected with the liquid pump and the injector through the connecting base and the front and rear ends of the quick-release head respectively; the connecting base can be movably connected with the hose through the quick-release head.

[0012] As a preferred technical solution of the utility model, the top of the detection pool and the bottom of the conductivity detector are fixedly installed with a bottom plate, and the bottom plate at the top of the detection pool and the bottom of the conductivity detector are fixedly connected by limiting columns; the detection pool can easily accommodate the mobile phase.

[0013] As an optimal technical solution of the utility model, a support frame is inserted and fixed on the outer side of the sampler, and the sampler is fixedly connected to the bottom plate at the bottom end of the conductivity detector through the support frame. A connecting ring is inserted and fixed on the outer side of the protective column, and the protective column is fixedly connected to the support frame through the connecting ring; the connecting ring can limit the position of the protective column.

[0014] As a preferred technical solution of the utility model, connecting frames are fixedly installed at the front and rear ends of the ion chromatography column, and the ion chromatography column is fixedly connected to the bottom plate at the bottom end of the conductivity detector through the connecting frame. Fixed frames are fixedly installed at the upper and lower ends of the suppressor, and the suppressor is fixedly connected to the detection cell through the fixing frame at the upper end and fixedly connected to the conductivity detector through the fixing frame at the lower end; the fixing frame can facilitate the fixed connection of the suppressor and the detection cell.

[0015] Compared with the prior art, the utility model provides a portable ion chromatograph that can be separated and disassembled, which has the following beneficial effects:

[0016] 1. The utility model is provided with a connection base and a quick-release head, and the hose is movably connected with the liquid pump and the injector through the connection base and the front and rear ends of the quick-release head. After the installation is completed, the liquid pump can transport the mobile phase to the inside of the injector through the connection base. When idle, the hose can be removed by rotating the quick-release head. At the same time, the bottom plates are movably connected by magnets. After the hose is removed, the bottom plates on the front and rear sides can be separated, so that the device is divided into two parts for easy stacking or separate storage. This method can adjust the overall volume of the device so that the device can be stored when idle.

[0017] 2. The utility model sets a limit column, which is symmetrically installed at the four corners of the base plate with the center of the base plate as a reference, and a fixed connection is formed between the base plate and the limit column. When adjusting the position of the device, the hose needs to be removed first, so that the device is divided into two parts. The limit column can provide a force point to facilitate the application of force during movement. This method can separate different parts of the mobile device during movement. In the movement of a single part, the volume of the single unit is smaller, which can effectively avoid possible bumps during the movement, and the weight is lighter, which is convenient for the movement of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the installation structure of the base plate and the limit column of the utility model;

[0020] Figure 3 This is a schematic diagram of the connection structure between the bottom plate and the liquid pump of the utility model;

[0021] Figure 4 This is a schematic diagram of the connection structure between the bottom plate and the detection pool of the utility model;

[0022] Among them: 1. bottom plate; 11. magnet; 12. limit column; 13. top plate; 14. receiving tank; 15. top cover; 16. connecting pipe; 17. liquid pump; 18. connecting base; 19. hose; 110. quick release head; 2. injector; 21. guard column; 22. ion chromatography column; 23. suppressor; 24. detection cell; 25. conductivity detector; 26. support frame; 27. connecting ring; 28. connecting frame; 29. ​​fixing frame. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0024] In the description of the present invention, unless otherwise specified, "multiple" means two or more than two; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1 - Figure 4 In the present embodiment, a portable detachable ion chromatograph comprises: a bottom plate 1, a magnet 11 is embedded inside the bottom plate 1, a limiting column 12 is fixedly installed above the bottom plate 1, a top plate 13 is inserted through the upper end of the limiting column 12, a receiving tank 14 is inserted through the upper end of the top plate 13, a top cover 15 is movably installed on the upper end of the receiving tank 14, a connecting pipe 16 is inserted through the lower end of the receiving tank 14, a liquid pump 17 is fixedly installed at the lower end of the connecting pipe 16, a connecting base 18 is fixedly installed at the rear end of the liquid pump 17, a hose 19 is movably installed at the end of the connecting base 18, and quick-release heads 110 are fixedly installed at both ends of the hose 19.

[0027] The magnets 11 are symmetrically installed inside the four vertical surfaces of the bottom plate 1 with the center of the bottom plate 1 as the reference, front and back, left and right, and the limiting columns 12 form a fixed connection between the bottom plate 1 and the limiting columns 12.

[0028] The receiving tank 14 is connected to the liquid pump 17 via a connecting pipe 16 , and the bottom surface of the liquid pump 17 is fixedly connected to the bottom plate 1 .

[0029] The connection base 18 and the quick-release head 110 are connected via a threaded structure and a hose 19 .

[0030] Specifically, the bottom plate 1 can support the liquid pump 17, the magnet 11 can facilitate the formation of a movable connection between the bottom plates 1, the limit column 12 can limit the relative position between the bottom plates 1, the top plate 13 can fix the position of the receiving tank 14, the top cover 15 can close the top of the receiving tank 14, the connecting pipe 16 can facilitate the connection between the receiving tank 14 and the liquid pump 17, the liquid pump 17 can transport the solution, the connecting base 18 can form a movable connection with the hose 19 through the quick-release head 110, and the hose 19 can facilitate the solution to enter the injector 2.

[0031] An injector 2 is movably installed at the rear end of the hose 19, a protective column 21 is fixedly installed below the injector 2, an ion chromatography column 22 is fixedly installed at the lower end of the protective column 21, a suppressor 23 is fixedly installed at the rear end of the ion chromatography column 22, a detection cell 24 is inserted on the right side of the suppressor 23, and a conductivity detector 25 is fixedly installed below the detection cell 24.

[0032] The top of the detection pool 24 and the bottom of the conductivity detector 25 are both fixedly mounted with a bottom plate 1 , and the bottom plate 1 at the top of the detection pool 24 and the bottom of the conductivity detector 25 are fixedly connected via a limiting column 12 .

[0033] A support frame 26 is inserted and fixed on the outer side of the sample injector 2, and the sample injector 2 is fixedly connected to the bottom plate 1 at the bottom end of the conductivity detector 25 through the support frame 26. A connecting ring 27 is inserted and fixed on the outer side of the protective column 21, and the protective column 21 is fixedly connected to the support frame 26 through the connecting ring 27.

[0034] A connecting frame 28 is fixedly installed at the front and rear ends of the ion chromatography column 22, and the ion chromatography column 22 is fixedly connected to the bottom plate 1 at the bottom end of the conductivity detector 25 through the connecting frame 28. A fixing frame 29 is fixedly installed at the upper and lower ends of the suppressor 23. The suppressor 23 is fixedly connected to the detection cell 24 through the fixing frame 29 at the upper end, and is fixedly connected to the conductivity detector 25 through the fixing frame 29 at the lower end.

[0035] Specifically, the injector 2 can quantitatively transport the sample, the filler of the protective column 21 is the same as that of the ion chromatography column 22, and can capture substances that cannot be washed by the mobile phase, protect and extend the service life of the ion chromatography column 22, the ion chromatography column 22 can separate different ions, the suppressor 23 can reduce the background conductivity of the mobile phase, the detection cell 24 can easily accommodate the mobile phase, the conductivity detector 25 can continuously monitor the conductivity value in the solution, and send the detection signal to the data processing system for recording, processing or storage, the support frame 26 can support the injector 2, the connecting ring 27 can limit the position of the protective column 21, the connecting frame 28 can limit the position of the ion chromatography column 22, and the fixing frame 29 can facilitate the fixed connection between the suppressor 23 and the detection cell 24.

[0036] When in use, the hose 19 is movably connected to the liquid pump 17 and the injector 2 at the front and rear ends through the connection base 18 and the quick-release head 110. After installation, the liquid pump 17 can deliver the mobile phase to the inside of the injector 2 through the connection base 18. When not in use, the hose 19 can be removed by rotating the quick-release head 110. At the same time, the bottom plates 1 are movably connected through the magnets 11. After removing the hose 19, the bottom plates 1 at the front and rear sides can be separated, so that the device is divided into two parts for easy stacking or separate storage. This method can adjust the overall volume of the device. In order to facilitate the storage of the device when it is idle, the limit posts 12 are symmetrically installed at the four corners of the base plate 1 with the center of the base plate 1 as the reference, and a fixed connection is formed between the base plate 1 and the limit posts 12. When adjusting the position of the device, the hose 19 needs to be removed first to divide the device into two parts. The limit posts 12 can provide a force point to facilitate the application of force during movement. This method can separate different parts of the mobile device during movement. In the movement of a single part, the single unit has a smaller volume, which can effectively avoid possible bumps during movement, and is lighter in weight to facilitate the movement of the device.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A portable and detachable ion chromatograph, characterized in that: include: A bottom plate (1), a magnet (11) is embedded in the bottom plate (1), a limiting column (12) is fixedly installed above the bottom plate (1), a top plate (13) is inserted and installed on the upper end of the limiting column (12), a receiving tank (14) is inserted and installed above the top plate (13), a top cover (15) is movably installed on the upper end of the receiving tank (14), a connecting pipe (16) is inserted and installed at the lower end of the receiving tank (14), a liquid pump (17) is fixedly installed at the lower end of the connecting pipe (16), a connecting base (18) is fixedly installed at the rear end of the liquid pump (17), and the connecting pipe (16) is fixedly installed at the rear end of the liquid pump (17). A hose (19) is movably mounted at the end of the connection base (18), quick-release heads (110) are fixedly mounted at both ends of the hose (19), an injector (2) is movably mounted at the rear end of the hose (19), a protective column (21) is fixedly mounted below the injector (2), an ion chromatographic column (22) is fixedly mounted at the lower end of the protective column (21), a suppressor (23) is fixedly mounted at the rear end of the ion chromatographic column (22), a detection cell (24) is inserted and mounted on the right side of the suppressor (23), and a conductivity detector (25) is fixedly mounted below the detection cell (24).

2. A portable detachable ion chromatograph according to claim 1, characterized in that: The magnets (11) are symmetrically installed inside the four vertical surfaces of the bottom plate (1) with the center of the bottom plate (1) as a reference, front and back, left and right; the limiting posts (12) are symmetrically installed at the four corners of the bottom plate (1) with the center of the bottom plate (1) as a reference, and a fixed connection is formed between the bottom plate (1) and the limiting posts (12).

3. A portable detachable ion chromatograph according to claim 1, characterized in that: The receiving tank (14) is connected to a liquid pump (17) via a connecting pipe (16), and the bottom surface of the liquid pump (17) is fixedly connected to the bottom plate (1).

4. The portable detachable ion chromatograph according to claim 1, characterized in that: The connection base (18) and the quick-release head (110) are connected via a threaded structure, and the hose (19) is movably connected to the liquid pump (17) and the sample injector (2) via the connection base (18) and the front and rear ends of the quick-release head (110).

5. The portable detachable ion chromatograph according to claim 1, characterized in that: The top end of the detection pool (24) and the bottom end of the conductivity detector (25) are both fixedly mounted with a bottom plate (1), and the bottom plate (1) at the top end of the detection pool (24) and the bottom plate (1) at the bottom end of the conductivity detector (25) are fixedly connected via a limiting column (12).

6. The portable detachable ion chromatograph according to claim 1, characterized in that: A support frame (26) is inserted and fixed on the outer side of the sample injector (2), and the sample injector (2) is fixedly connected to the bottom plate (1) at the bottom end of the conductivity detector (25) through the support frame (26). A connecting ring (27) is inserted and fixed on the outer side of the protective column (21), and the protective column (21) is fixedly connected to the support frame (26) through the connecting ring (27).

7. The portable detachable ion chromatograph according to claim 1, characterized in that: The front and rear ends of the ion chromatographic column (22) are fixedly mounted with connecting frames (28), and the ion chromatographic column (22) is fixedly connected to a bottom plate (1) at the bottom end of a conductivity detector (25) through the connecting frame (28). The upper and lower ends of the suppressor (23) are fixedly mounted with fixing frames (29), and the suppressor (23) is fixedly connected to a detection cell (24) through the fixing frame (29) at the upper end, and is fixedly connected to the conductivity detector (25) through the fixing frame (29) at the lower end.

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