Movable chromatographic column placing rack

Abstract

The utility model relates to the technical field of chromatographic instruments, and discloses a movable chromatographic column placing rack which comprises a bottom plate, a storage box is fixedly connected to the middle of the top end of the bottom plate, a supporting plate is fixedly connected to the rear end of the storage box, and the supporting plate is connected with a limiting plate through a limiting assembly. The bottom end of the inner wall of the storage box is fixedly connected with a plurality of fixing sleeves, the inner walls of the fixing sleeves are sleeved with storage cylinders, the four sides of the inner walls of the storage cylinders are all provided with self-adaption assemblies, the four corners of the bottom end of the bottom plate are all provided with universal wheels, and the right side of the top end of the bottom plate is fixedly connected with a push plate. According to the storage box disclosed by the utility model, the threaded rod and the limiting plate are arranged, so that the chromatographic columns with different lengths can be stably placed in the storage box under the matching of the supporting plate, the threaded rod, the limiting plate and the limiting hole, and cannot be easily popped out by external force due to the fact that the overlong ends are exposed outside, and the chromatographic columns with different lengths are better protected.

Description

Technical Field

[0001] The utility model relates to the technical field of column chromatography instruments, in particular to a movable chromatography column placement rack. Background Art

[0002] A chromatography column placement rack is a device used to support and fix chromatography columns, usually used in analytical instruments such as chromatographs. A chromatography column is a key component for separating compound mixtures and needs to be kept stable and correctly placed during the analysis process to ensure the accuracy and repeatability of the analysis.

[0003] After retrieval, a Chinese patent document with the publication number CN220360740U discloses a chromatography column placement rack, which includes a plurality of fixedly connected rack bodies. The plurality of rack bodies are spaced apart in the horizontal direction, and the plurality of rack bodies are used to place chromatography columns of different specifications; a limiting component is provided on each of the plurality of rack bodies, and the limiting component is used to limit the chromatography column; a component receiving component is slidably arranged at the bottom of each of the plurality of rack bodies, and the component receiving component is used to align with the chromatography column and receive liquid. The purpose of this application is to be able to adapt to the processing of multiple samples during the actual operation of column chromatography, and at the same time realize the rapid replacement of the receiving bottle, thereby being beneficial to improving the liquid receiving efficiency of the receiving bottle;

[0004] Based on the above patent, through this placement rack, it is possible to apply to chromatography columns for batch processing of multiple samples. At the same time, the corresponding component receiving component is set to a slidable installation method, which is convenient for installing and disassembling the component receiving component, and can effectively realize the rapid replacement of the component receiving component, thereby being beneficial to improving the liquid receiving efficiency of the component receiving component. The receiving box is slidably arranged at the bottom of the corresponding rack body by using a slide rail and a slider, which is convenient for installing and disassembling the receiving box, and can effectively realize the rapid replacement of the receiving box, thereby being beneficial to improving the liquid receiving efficiency of the receiving box. However, the sizes of the chromatography columns used in different chromatography experiments are different. Too long or too thick chromatography columns are not stably placed and are prone to shaking during liquid receiving. In view of this technical problem, this application proposes a movable chromatography column placement rack. Summary of the Utility Model

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose a movable chromatography column placement rack, which can protect chromatography columns of different heights and diameters for stable liquid receiving.

[0006] To achieve the above object, the utility model adopts the following technical solutions: A movable chromatography column placement rack, including a bottom plate, a storage box is fixedly connected to the middle of the top end of the bottom plate, a support plate is fixedly connected to the rear end of the storage box, the support plate is connected to a limit plate through a limit component, a plurality of fixed sleeves are fixedly connected to the bottom end inner wall of the storage box, a receiving cylinder is sleeved inside the fixed sleeve, adaptive components are installed on the four sides of the inner wall of the receiving cylinder, universal wheels are installed at the four corners of the bottom end of the bottom plate, and a push plate is fixedly connected to the right side of the top end of the bottom plate.

[0007] By adopting the above technical solutions, the bottom plate can drive the whole device to move to the position where the chromatography column needs to be placed under the action of the push plate and the universal wheels. The storage box is used to place the chromatography column. The fixed sleeve can further limit the receiving cylinder. The inner diameter of the fixed sleeve is the same as the outer diameter of the receiving cylinder.

[0008] As a further description of the above technical solutions:

[0009] The limit component includes a threaded rod rotatably connected to the middle of the inner wall of the top end of the support plate. The outer diameter of the threaded rod is threadedly connected to a limit plate, and a plurality of limit holes are opened on the inner wall of the limit plate.

[0010] By adopting the above technical solutions, the threaded rod can rotate inside the inner wall of the support plate to drive the limit plate to move up and down at the front end of the support plate to change the position, and limit chromatography columns of different heights through the limit holes.

[0011] As a further description of the above technical solutions:

[0012] The rear end of the limit plate is slidably connected to the inner wall of the front end of the support plate, and the top end of the threaded rod penetrates through the outer wall of the support plate.

[0013] By adopting the above technical solutions, the top end of the threaded rod penetrates through the outer wall of the support plate, which is convenient for rotating the threaded rod externally for adjustment.

[0014] As a further description of the above technical solutions:

[0015] The inner diameter of the limit hole is larger than the outer diameter of the fixed sleeve. The number and center point positions of the upper limit holes and the lower fixed sleeves correspond to each other.

[0016] By adopting the above technical solutions, the inner diameter of the limit hole is larger than the diameter of the chromatography column in the market and corresponds to the position of the fixed sleeve, which is convenient for inserting the chromatography column into the corresponding fixed sleeve through the corresponding limit hole.

[0017] As a further description of the above technical solutions:

[0018] A protective baffle is fixedly connected to the bottom edge of the limit plate, and a guide groove is formed at the edge of the inner wall of the top of the storage box, and the shape of the inner wall of the guide groove fits the shape of the outer wall of the protective baffle.

[0019] By adopting the above technical solution, the cooperation between the protective baffle and the guide groove facilitates the limit plate to slide upward a certain distance to block the top of the storage box to prevent foreign matters such as external dust from flying into the interior.

[0020] As a further description of the above technical solution:

[0021] The adaptive component includes sliding plates slidably connected to the four sides of the bottom end of the inner wall of the receiving cylinder. The top ends of the sliding plates are rotatably connected to inclined plates, the outer sides of the top ends of the inclined plates are rotatably connected to sliders, and one ends of the outer sides of the inner walls of the sliders are slidably connected to guide rods.

[0022] By adopting the above technical solution, the chromatography column entering the interior of the receiving cylinder can squeeze the inclined plate, so that the sliding plate slides toward the four sides at the bottom end of the inner wall of the receiving cylinder, so that the slider slides upward on the outer wall of the guide rod, thereby facilitating the stable entry of the chromatography column into the bottom end of the inner wall of the receiving cylinder.

[0023] As a further description of the above technical solution:

[0024] Corresponding to the outer wall of the guide rod, a spring is fixedly connected to the top end of the slider, and the top ends of the springs are fixedly connected to the inner wall of the receiving cylinder.

[0025] By adopting the above technical solution, the slider will squeeze the spring during the upward sliding process on the outer wall of the guide rod, which is convenient for resetting after the chromatography column is taken out and can clamp the chromatography column on the inner wall of the receiving cylinder.

[0026] As a further description of the above technical solution:

[0027] One ends of the outer sides of the sliders are slidably connected to the inner wall of the receiving cylinder, and the top and bottom ends of the guide rod are fixedly connected to the inner wall of the receiving cylinder.

[0028] By adopting the above technical solution, the setting of the guide rod facilitates the spring not to deform during the upward sliding process of the slider while squeezing the spring.

[0029] The utility model has the following beneficial effects:

[0030] 1. In the utility model, by arranging the threaded rod and the limit plate, chromatography columns of different lengths can be stably placed inside the storage box under the cooperation of the support plate, the threaded rod, the limit plate and the limit hole, and will not be easily ejected by external force because the long end is exposed outside, better protecting chromatography columns of different lengths.

[0031] 2. In the present utility model, by providing a sliding plate and an inclined plate, the chromatography column can be stably placed inside the receiving cylinder under the cooperation of the sliding plate, the inclined plate, the guide rod, the spring and the fixed sleeve, so as to ensure that the chromatography column will not shake during liquid receiving, effectively ensuring the smooth progress of liquid receiving. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 is a perspective view of a movable chromatography column placement rack proposed by the present utility model;

[0033] Figure 2 is a schematic structural view of the limiting plate of a movable chromatography column placement rack proposed by the present utility model;

[0034] Figure 3 is a schematic structural view of the storage box of a movable chromatography column placement rack proposed by the present utility model;

[0035] Figure 4 is a schematic structural view of the fixed sleeve of a movable chromatography column placement rack proposed by the present utility model;

[0036] Figure 5 is a schematic structural view of the receiving cylinder of a movable chromatography column placement rack proposed by the present utility model;

[0037] Figure 6 is a half-sectional view of the receiving cylinder of a movable chromatography column placement rack proposed by the present utility model.

[0038] LEGEND DESCRIPTION:

[0039] 1. Bottom plate; 2. Limiting hole; 3. Pushing plate; 4. Limiting plate; 5. Threaded rod; 6. Support plate; 7. Storage box; 8. Universal wheel; 9. Protective baffle; 10. Guide groove; 11. Fixed sleeve; 12. Receiving cylinder; 13. Spring; 14. Guide rod; 15. Slide block; 16. Sliding plate; 17. Inclined plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0040] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0041] Refer to Figure 1-6, An embodiment provided by the present utility model: A movable chromatography column placement rack, including a bottom plate 1, a storage box 7 is fixedly connected to the middle of the top end of the bottom plate 1, a support plate 6 is fixedly connected to the rear end of the storage box 7, the support plate 6 is connected to a limit plate 4 through a limit component, several fixed sleeves 11 are fixedly connected to the bottom end inner wall of the storage box 7, a receiving cylinder 12 is sleeved inside the fixed sleeve 11, adaptive components are installed on the four sides of the inner wall of the receiving cylinder 12, universal wheels 8 are installed at the four corners of the bottom end of the bottom plate 1, and a push plate 3 is fixedly connected to the right side of the top end of the bottom plate 1.

[0042] Specifically, the bottom plate 1 can drive the entire device to move to the position where the chromatography column needs to be placed under the action of the push plate 3 and the universal wheels 8. The storage box 7 is used to place the chromatography column. The fixed sleeve 11 can further limit the receiving cylinder 12. The inner diameter of the inner wall of the fixed sleeve 11 is the same as the outer diameter of the outer wall of the receiving cylinder 12.

[0043] The limit component includes a threaded rod 5 rotatably connected to the middle of the top end inner wall of the support plate 6. The outer diameter of the threaded rod 5 is threadedly connected to a limit plate 4. Several limit holes 2 are opened on the inner wall of the limit plate 4.

[0044] Specifically, the threaded rod 5 can rotate inside the inner wall of the support plate 6 to drive the limit plate 4 to move up and down at the front end of the support plate 6 to change its position, and limit chromatography columns of different heights through the limit holes 2.

[0045] The rear end of the limit plate 4 is slidably connected to the front end inner wall of the support plate 6. The top end of the threaded rod 5 penetrates through the outer wall of the support plate 6.

[0046] Specifically, the top end of the threaded rod 5 penetrates through the outer wall of the support plate 6, which is convenient for adjusting the threaded rod 5 by rotating it externally.

[0047] The inner diameter of the inner wall of the limit hole 2 is larger than the outer diameter of the fixed sleeve 11. The number and center point positions of the upper limit holes 2 and the lower fixed sleeves 11 correspond to each other.

[0048] Specifically, the inner diameter of the inner wall of the limit hole 2 is larger than the diameter of the chromatography column on the market and corresponds to the position of the fixed sleeve 11, which is convenient for inserting the chromatography column into the corresponding fixed sleeve 11 through the corresponding limit hole 2.

[0049] A protective baffle 9 is fixedly connected to the bottom end edge of the limit plate 4. A guiding groove 10 is opened on the inner wall edge of the top end of the storage box 7. The shape of the inner wall of the guiding groove 10 fits the shape of the outer wall of the protective baffle 9.

[0050] Specifically, the cooperation between the protective baffle 9 and the guiding groove 10 is convenient for blocking the top of the storage box 7 to prevent foreign matters such as external dust from flying into the inside when the limit plate 4 slides up a certain distance.

[0051] The adaptive component includes a sliding plate 16 slidably connected to the bottom four sides of the inner wall of the receiving cylinder 12. Rotating plates 17 are rotatably connected to the tops of the sliding plates 16. Sliders 15 are rotatably connected to the outer sides of the tops of the rotating plates 17. One ends of the outer sides of the inner walls of the sliders 15 are slidably connected to guide rods 14.

[0052] Specifically, the chromatography column entering the interior of the receiving cylinder 12 can squeeze the rotating plate 17, thereby causing the sliding plate 16 to slide towards the four sides at the bottom of the inner wall of the receiving cylinder 12, so that the slider 15 slides upward on the outer wall of the guide rod 14, facilitating the stable entry of the chromatography column into the bottom of the inner wall of the receiving cylinder 12.

[0053] Corresponding to the outer walls of the guide rods 14, springs 13 are fixedly connected to the tops of the sliders 15, and the tops of the springs 13 are fixedly connected to the inner wall of the receiving cylinder 12.

[0054] Specifically, during the upward sliding of the slider 15 on the outer wall of the guide rod 14, the spring 13 will be squeezed, facilitating the reset after the removal of the chromatography column and clamping the chromatography column to the inner wall of the receiving cylinder 12.

[0055] One ends of the outer sides of the sliders 15 are slidably connected to the inner wall of the receiving cylinder 12, and the tops and bottoms of the guide rods 14 are fixedly connected to the inner wall of the receiving cylinder 12.

[0056] Specifically, the arrangement of the guide rod 14 facilitates the spring 13 not to deform during the upward sliding of the slider 15 while squeezing the spring 13.

[0057] Working principle: First, through the action of the push plate 3 and the universal wheels 8, the entire device on the bottom plate 1 is pushed to the position where the chromatography column needs to be placed. Then, by rotating the threaded rod 5, the limiting plate 4 moves up and down at the front end of the support plate 6 to change its position, facilitating the insertion of chromatography columns of different heights through the limiting holes 2 under the limiting plate 4 into the interior of the storage box 7. The bottom end of the chromatography column can squeeze the rotating plate 17, thereby causing the sliding plate 16 to slide towards the four sides at the bottom of the inner wall of the receiving cylinder 12, so that the slider 15 compresses the spring 13 and slides upward on the outer wall of the guide rod 14, facilitating the stable entry of the chromatography column into the bottom of the inner wall of the receiving cylinder 12, ensuring that the chromatography column does not shake during liquid reception, and effectively guaranteeing the smooth progress of liquid reception.

[0058] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A movable chromatography column placement rack, comprising a bottom plate (1), characterized in that: In the middle of the top end of the bottom plate (1), a storage box (7) is fixedly connected. At the rear end of the storage box (7), a support plate (6) is fixedly connected. The support plate (6) is connected to a limit plate (4) through a limit component. At the bottom end of the inner wall of the storage box (7), a plurality of fixed sleeves (11) are fixedly connected. Inside the inner wall of the fixed sleeve (11), a receiving cylinder (12) is sleeved. Adaptive components are installed on the four sides of the inner wall of the receiving cylinder (12). At the four corners of the bottom end of the bottom plate (1), universal wheels (8) are installed. On the right side of the top end of the bottom plate (1), a push plate (3) is fixedly connected.

2. The movable chromatography column rack according to claim 1, characterized in that: The limit component includes a threaded rod (5) rotatably connected to the middle of the top end of the inner wall of the support plate (6). The outer diameter of the threaded rod (5) is threadedly connected to the limit plate (4). A plurality of limit holes (2) are formed in the inner wall of the limit plate (4).

3. The mobile chromatography column placement rack according to claim 2, characterized in that: The rear end of the limit plate (4) is slidably connected to the inner wall of the front end of the support plate (6). The top end of the threaded rod (5) penetrates through the outer wall of the support plate (6).

4. The movable chromatography column placement rack according to claim 2, wherein: The inner diameter of the inner wall of the limit hole (2) is larger than the outer diameter of the fixed sleeve (11). The number and the center point positions of the upper limit holes (2) correspond to those of the lower fixed sleeves (11).

5. The movable chromatography column placement rack according to claim 2, characterized in that: At the edge of the bottom end of the limit plate (4), a protective baffle (9) is fixedly connected. At the edge of the inner wall of the top end of the storage box (7), a guide groove (10) is formed. The shape of the inner wall of the guide groove (10) fits the shape of the outer wall of the protective baffle (9).

6. The mobile chromatography column rack according to claim 1, wherein: The adaptive component includes sliding plates (16) slidably connected to the four sides of the bottom end of the inner wall of the receiving cylinder (12). At the top ends of the sliding plates (16), inclined plates (17) are rotatably connected. At the outer sides of the top ends of the inclined plates (17), sliders (15) are rotatably connected. At one ends of the outer sides of the inner walls of the sliders (15), guide rods (14) are slidably connected.

7. The movable chromatography column placement rack according to claim 6, wherein: At the top ends of the sliders (15) corresponding to the outer walls of the guide rods (14), springs (13) are fixedly connected. The top ends of the springs (13) are fixedly connected to the inner wall of the receiving cylinder (12).

8. The movable chromatography column placement rack according to claim 6, characterized in that: One ends of the outer sides of the sliders (15) are slidably connected to the inner wall of the receiving cylinder (12). The top and bottom ends of the guide rods (14) are fixedly connected to the inner wall of the receiving cylinder (12).

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