Fixing device for small chromatographic column

Abstract

The utility model discloses a fixing device for a small chromatographic column, which comprises a base, a telescopic structure and a frame body, the base is arranged at the bottom end of the fixing device, the telescopic structure is arranged in the middle of the upper end of the base, the frame body is arranged at the upper end of the telescopic structure, and at least one clamping piece is arranged on the side surface of the frame body; according to the utility model, through the telescopic structure, the device can be adapted to different types of chromatographic columns, the height can be adjusted according to the length of the chromatographic columns, the device can be suitable for different types of chromatographic columns with different thicknesses through the clamping pieces, in addition, the center of the device is positioned in the middle, the gravity center position is stabilized through the base, and in addition, the two rows of clamping pieces are arranged, so that the device is convenient to use. More chromatographic columns can be placed, the space is saved, in addition, the chromatographic columns placed on the inner side can be rotated to the outer side through rotation of the moving rod, and workers can take the chromatographic columns conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of experimental equipment, in particular to a fixing device for a small chromatography column. Background Art

[0002] The operation mode of material purification is often used in the field of medicine and biological reagents, and a chromatography column is required as a purification device. Small and medium-sized chromatography columns often have no fixed base, and the loaded chromatography column generally needs to be placed vertically, otherwise the column efficiency will deteriorate due to the natural sedimentation of the filler, which does not meet the purification requirements. In order to solve the problem that small and medium-sized chromatography columns cannot be placed vertically independently, the existing fixing device, such as patent document 202222599959.4, discloses a chromatography column fixing device for separating pharmaceutical intermediates, including a base, the number of installations of the base is 2 groups, and they are relatively installed, the top of the base is connected to a telescopic main rod, the top of the telescopic main rod is connected with a telescopic sub-rod, the front of the telescopic main rod is penetrated with a limiting hole, the inner wall of the telescopic sub-rod is connected with a fixing ring, and the inner wall of the fixing ring is installed with a compression spring A, and the compression spring A is connected with a limited block at one end away from the fixing plate; however, the above-mentioned co-public documents solve the problem of placing the chromatography column, but the position of the chromatography column is less, and it is placed in a single row, and adding a clamp will cause the problem of space waste.

[0003] Therefore, there is an urgent need for a fixing device for a small chromatography column. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a chromatography column fixing device which is easy to take out and place and can rotate the frame according to the usage.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a fixing device for a small chromatography column, comprising a base, a telescopic structure and a frame, wherein the base is arranged at the bottom end of the fixing device, a telescopic structure is arranged in the middle of the upper end of the base, a frame is arranged at the upper end of the telescopic structure, and at least one clamping member is arranged on the side of the frame.

[0006] Preferably, at least one support rod is provided on the side of the telescopic structure, the lower end of the support rod is connected to the base, the upper end of the support rod is connected to the side of the telescopic structure, and a first adjustment knob is provided on the side of the telescopic structure.

[0007] Preferably, the first adjusting knob comprises a first adjusting rod and a first rotating member, one end of the first adjusting rod is installed inside the telescopic rod, and the other end of the first adjusting rod is installed with the first rotating member.

[0008] Preferably, the telescopic rod consists of a fixed rod and a movable rod, the fixed rod is arranged in the middle of the upper end of the base, one end of the movable rod is arranged inside the fixed rod, a frame is arranged at the upper end of the movable rod, and the movable rod is slidably connected or rotatably connected to the fixed rod.

[0009] Preferably, the frame includes a first rod and a second rod, the lower end of the first rod is connected to the upper end of the moving rod, one end of the second rod passes through the side of the first rod and is arranged on the first rod, and the second rod is provided with at least one clamping member.

[0010] Preferably, the clamping member comprises a first clamping portion and a second clamping portion, the first clamping portion is arranged on the second rod end surface, and the second clamping portion is arranged on the side surface of the first clamping portion.

[0011] Preferably, a second adjusting knob is installed on the side of the second clamping part, and the second adjusting knob includes a third clamping part, a second adjusting rod and a second rotating member, the third clamping part is installed inside the clamping part, the second adjusting rod is installed on the side of the third clamping part, and a second rotating member is installed on one end of the second adjusting rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model can adapt to different types of chromatography columns through the telescopic structure, and the height can be adjusted according to the length of the chromatography column. The clamping piece can be used for chromatography columns of different thicknesses. In addition, the center of the utility model is in the middle position, and the center of gravity is stabilized by the base.

[0014] 2. The utility model is provided with two rows of clamps, so that more chromatography columns can be placed, saving space. In addition, the chromatography columns placed inside can be rotated to the outside by rotating the moving rod, so that the staff can take them out conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the clamping member in the utility model;

[0017] In the figure: base 1; telescopic structure 2; frame 3; clamping member 4; support rod 5; first adjusting knob 6; first adjusting rod 7; first rotating member 8; fixed rod 9; moving rod 10; first rod 11; second rod 12; first clamping portion 13; second clamping portion 14; second adjusting knob 15; third clamping portion 16; second adjusting rod 17; second rotating member 18. DETAILED DESCRIPTION

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0021] like Figure 1 As shown, the utility model provides a technical solution: a fixing device for a small chromatography column, comprising a base 1, a telescopic structure 2 and a frame 3, wherein the base 1 is arranged at the bottom end of the fixing device, the telescopic structure 2 is arranged at the middle of the upper end of the base 1, the frame 3 is arranged at the upper end of the telescopic structure 2, and at least one clamping member 4 is arranged on the side of the frame 3.

[0022] like Figure 1 As shown, at least one support rod 5 is provided on the side of the telescopic structure 2, the lower end of the support rod 5 is connected to the base 1, the upper end of the support rod 5 is connected to the side of the telescopic structure 2, and a first adjustment knob 6 is provided on the side of the telescopic structure 2.

[0023] like Figure 1 As shown, the first adjusting knob 6 includes a first adjusting rod 7 and a first rotating member 8. One end of the first adjusting rod 7 is installed inside the telescopic rod, and the other end of the first adjusting rod 7 is installed with the first rotating member 8.

[0024] like Figure 1As shown, the telescopic rod is composed of a fixed rod 9 and a mobile rod 10, the fixed rod 9 is arranged at the middle of the upper end of the base 1, one end of the mobile rod 10 is arranged inside the fixed rod 9, and a frame body 3 is arranged at the upper end of the mobile rod 10, and the mobile rod 10 is slidably connected or rotatably connected with the fixed rod 9. The frame body 3 includes a first rod 11 and a second rod 12, the lower end of the first rod 11 is connected to the upper end of the mobile rod 10, one end of the second rod 12 passes through the side of the first rod 11 and is arranged on the first rod 11, and the second rod 12 is provided with at least one clamping member 4.

[0025] like Figure 2 As shown, the clamping member 4 includes a first clamping portion 13 and a second clamping portion 14, the first clamping portion 13 is arranged on the end surface of the second rod 12, and the second clamping portion 14 is arranged on the side of the first clamping portion 13. A second adjusting knob 15 is installed on the side of the second clamping portion 14, and the second adjusting knob 15 includes a third clamping portion 16, a second adjusting rod 17 and a second rotating member 18, the third clamping portion 16 is installed inside the clamping member 4, the second adjusting rod 17 is installed on the side of the third clamping portion 16, and the second rotating member 18 is installed on one end of the second adjusting rod 17.

[0026] Working principle of this utility model:

[0027] When in use, the height of the telescopic structure 2 is adjusted according to the length of the chromatography column. The first rotating member 8 is rotated counterclockwise to drive the first adjusting rod 7 to rotate counterclockwise. Then, the moving rod 10 is in a movable state at this time. The moving rod can be rotated or moved up and down according to the usage. After moving to a suitable position, the first rotating member 8 is rotated clockwise to drive the first adjusting rod 7 to rotate clockwise, so that the moving rod 10 is in a fixed state. According to the thickness of the chromatography column, the second adjusting knob 15 is adjusted. After adjusting to a suitable position, the placement position of the chromatography column is fixed by the second knob 15. In addition, when multiple chromatography columns need to be placed, the moving rod 10 is rotated to facilitate the placement and removal of the chromatography columns placed inside.

[0028] For the convenience of description, the orientations mentioned above are now defined as follows: the up, down, left, right, front, and back directions mentioned above are consistent with the up, down, left, right, front, and back directions of the projection relationship of the image itself.

[0029] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0030] The above-described embodiments are only specific implementation methods of the present invention, which are used to illustrate the technical solutions of the present invention, rather than to limit them. The protection scope of the present invention is not limited thereto. Although the present invention is described in detail with reference to the above-described embodiments, ordinary technicians in the field should understand that any technician familiar with the technical field can still modify the technical solutions recorded in the above-described embodiments within the technical scope disclosed by the present invention, or can easily think of changes, or make equivalent replacements for some of the technical features therein; and these modifications, changes or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention, and should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A fixing device for a small chromatography column, characterized in that: The invention comprises a base (1), a telescopic structure (2) and a frame (3), wherein the base (1) is arranged at the bottom end of a fixing device, the telescopic structure (2) is arranged at the middle of the upper end of the base (1), the frame (3) is arranged at the upper end of the telescopic structure (2), and at least one clamping member (4) is arranged on the side of the frame (3).

2. A fixing device for a small chromatography column according to claim 1, characterized in that: At least one support rod (5) is provided on the side of the telescopic structure (2); the lower end of the support rod (5) is connected to the base (1); the upper end of the support rod (5) is connected to the side of the telescopic structure (2); and a first adjustment knob (6) is provided on the side of the telescopic structure (2).

3. A fixing device for a small chromatography column according to claim 2, characterized in that: The first adjusting knob (6) comprises a first adjusting rod (7) and a first rotating member (8); one end of the first adjusting rod (7) is mounted inside the telescopic rod, and the other end of the first adjusting rod (7) is mounted with the first rotating member (8).

4. A fixing device for a small chromatography column according to claim 3, characterized in that: The telescopic rod is composed of a fixed rod (9) and a movable rod (10); the fixed rod (9) is arranged at the middle of the upper end of the base (1); one end of the movable rod (10) is arranged inside the fixed rod (9); and a frame (3) is arranged at the upper end of the movable rod (10).

5. A fixing device for a small chromatography column according to claim 4, characterized in that: The frame (3) comprises a first rod (11) and a second rod (12); the lower end of the first rod (11) is connected to the upper end of the moving rod (10); one end of the second rod (12) passes through the side of the first rod (11) and is arranged on the first rod (11); the second rod (12) is provided with at least one clamping member (4).

6. A fixing device for a small chromatography column according to claim 5, characterized in that: The clamping member (4) comprises a first clamping portion (13) and a second clamping portion (14); the first clamping portion (13) is arranged on the end surface of the second rod (12); and the second clamping portion (14) is arranged on the side surface of the first clamping portion (13).

7. A fixing device for a small chromatography column according to claim 6, characterized in that: A second adjusting knob (15) is mounted on the side of the second clamping portion (14), and the second adjusting knob (15) comprises a third clamping portion (16), a second adjusting rod (17) and a second rotating member (18); the third clamping portion (16) is mounted inside the clamping member (4), a second adjusting rod (17) is mounted on the side of the third clamping portion (16), and a second rotating member (18) is mounted on one end of the second adjusting rod (17).

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