Handheld ELISA (enzyme-linked immunosorbent assay) plate washing device

By designing structures such as guide rods and magnetic blocks, the problem of difficulty in adjusting and replacing the cleaning brush position in existing ELISA plate washing devices has been solved, thereby improving the cleaning effect and enhancing the practicality of the device.

CN223970557UActive Publication Date: 2026-03-06XINXIANG MEDICAL UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-03-06

AI Technical Summary

Technical Problem

Existing handheld ELISA plate washing devices cannot adjust the position of the cleaning brush according to the aperture of the ELISA plate, resulting in poor cleaning effect, and the cleaning brush is difficult to disassemble and replace after wear.

Method used

The device employs a structure consisting of a guide rod, a return spring, an adjusting block, an L-shaped adjusting rod, and a magnetic block to achieve position adjustment and stable installation of the cleaning cotton brush. It is suitable for cleaning different aperture sizes and supports easy disassembly and replacement.

Benefits of technology

It improves cleaning effectiveness and applicability, ensures close contact between the cleaning brush and the ELISA plate well wall, and facilitates the disassembly and replacement of the cleaning brush, thus enhancing the practicality of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a handheld ELISA (enzyme-linked immunosorbent assay) plate washing device, and relates to the technical field of ELISA plate washing devices, in particular to a handheld ELISA plate washing device which comprises a cavity grip and an arc-shaped plate, a guide rod and a reset spring are respectively mounted on the inner wall of the cavity grip, an adjusting block is mounted at one end, far away from the cavity grip, of the reset spring, and the arc-shaped plate is connected with the guide rod. Guide blocks are installed at the top and the bottom of the adjusting block, an L-shaped adjusting rod is installed at the end, close to the reset spring, of the adjusting block, a fixing rod is installed at the bottom of the cavity grip, and cavity semicircular blocks are installed at the bottom of the L-shaped adjusting rod and the bottom of the fixing rod. The handheld ELISA plate washing device has the effects that the position of the cleaning cotton brush is convenient to adjust, the cleaning cotton brush is convenient to abut against the inner wall of a hole in an ELISA plate, and the cleaning effect is improved, through arrangement of the adjusting block, the position of the cleaning cotton brush is convenient to adjust, the handheld ELISA plate washing device is conveniently suitable for washing of different hole diameters in the ELISA plate, the application range is widened, and the practicability is high. And the purpose of improving the practicability is achieved.
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Description

Technical Field

[0001] This utility model relates to the technical field of ELISA plate washing devices, specifically a handheld ELISA plate washing device. Background Technology

[0002] Enzyme-linked immunosorbent assay (ELISA) is a detection method in which soluble antigens or antibodies are first adsorbed onto a solid support such as polypropylene. The antibody molecules specifically bind to the antigen molecules, and then a special label is used for qualitative or quantitative analysis. ELISA plates are specialized microplates used in ELISA experiments, typically made of plastic (such as polystyrene), with multiple wells (commonly 96 or 384 wells), for immunological detection.

[0003] Existing handheld ELISA plate washing devices are inconvenient to adjust the position of the cleaning brush according to the diameter of the holes on the ELISA plate, and it is also inconvenient for the cleaning brush to make better contact with the inner wall of the holes on the ELISA plate, resulting in poor cleaning effect. In addition, with the increase of use, the fibers of the cleaning brush in existing handheld ELISA plate washing devices will wear or deform, resulting in weakened cleaning power and inconvenience in disassembling and replacing the cleaning brush. The present invention provides a handheld ELISA plate washing device that solves the above problems. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this invention provides a handheld ELISA plate washing device, which solves the problems mentioned in the background section.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: A handheld ELISA plate washing device includes a hollow handle and an arc-shaped plate. A guide rod and a return spring are respectively installed on the inner wall of the hollow handle. An adjusting block is installed at the end of the return spring away from the hollow handle. Guide blocks are installed at the top and bottom of the adjusting block. An L-shaped adjusting rod is installed at the end of the adjusting block near the return spring. A fixing rod is installed at the bottom of the hollow handle. Hollow semicircular blocks are installed at the bottom of both the L-shaped adjusting rod and the fixing rod. Magnetic blocks are installed inside the hollow semicircular blocks. An iron block is magnetically connected to the top of the magnetic blocks. An extension rod is installed at the end of the iron block away from the magnetic blocks. An L-shaped limiting block is installed on one side of the extension rod, and a T-shaped slider is installed on the other side of the extension rod. A pull plate is installed at the end of the extension rod away from the iron block. A positioning block is installed on the inner surface of the arc-shaped plate, and a cleaning brush is installed on the outer surface of the arc-shaped plate.

[0008] Optionally, the adjustment block is located inside the cavity grip, and both the guide block and the L-shaped adjustment rod have guide holes inside, with the guide rod passing through the guide holes.

[0009] Optionally, the inner surface of the arc-shaped plate abuts against the outer surface of the hollow semicircular block, the length of the arc-shaped plate is less than the length of the hollow semicircular block, and there are two hollow semicircular blocks.

[0010] Optionally, the outer surface of the hollow semicircular block is provided with a positioning groove with the left and right direction as the depth direction. The end of the positioning block is inserted into the inside of the positioning groove. The top of the positioning block is provided with a limiting groove with the up and down direction as the depth direction. The end of the L-shaped limiting block away from the extension rod is inserted into the inside of the limiting groove.

[0011] Optionally, the hollow semicircular block has a T-shaped groove inside, with the left and right direction as the depth direction and the up and down direction as the length direction. The end of the T-shaped slider is located inside the T-shaped groove, and the T-shaped slider can slide along the length direction of the T-shaped groove.

[0012] Optionally, the end of the extension rod near the iron block is located inside the hollow semicircular block, and the end of the extension rod near the pull plate is located outside the hollow semicircular block.

[0013] This invention provides a handheld ELISA plate washing device, which has the following advantages:

[0014] 1. This handheld ELISA plate washing device, through the arrangement of guide rod, return spring, adjusting block, guide block, L-shaped adjusting rod, fixing rod, and hollow semi-circular block, allows for easy adjustment of the cleaning brush position. This facilitates better contact between the cleaning brush and the inner wall of the holes in the ELISA plate, improving the cleaning effect. The adjusting block allows for easy adjustment of the cleaning brush position, making it suitable for cleaning different hole diameters on ELISA plates, thus expanding its applicability and improving its practicality.

[0015] 2. This handheld ELISA plate washing device, through the arrangement of magnetic blocks, iron blocks, extension rods, L-shaped limiting blocks, T-shaped sliders, pull plates, positioning blocks, and cleaning brushes, enables convenient disassembly and replacement of the cleaning brushes. The cooperation of the positioning blocks and L-shaped limiting blocks facilitates the quick installation of the cleaning brushes, while the cooperation of the iron blocks and magnetic blocks improves the stability of the cleaning brush installation. Conversely, it facilitates the disassembly and replacement of the cleaning brushes, thereby enhancing practicality. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a structural schematic diagram of the present invention in frontal cross-section;

[0018] Figure 3 This utility model Figure 2 Enlarged structural diagram at point A;

[0019] Figure 4 This is a top view sectional diagram of the present invention.

[0020] Figure 5 This is a side view sectional diagram of the present invention.

[0021] In the diagram: 1. Hollow handle; 2. Arc plate; 3. Guide rod; 4. Return spring; 5. Adjusting block; 6. Guide block; 7. L-shaped adjusting rod; 8. Fixing rod; 9. Hollow semi-circular block; 10. Magnetic block; 11. Iron block; 12. Extension rod; 13. L-shaped limiting block; 14. T-shaped slider; 15. Pull plate; 16. Positioning block; 17. Cleaning brush. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] Example 1

[0024] Please see Figures 1 to 5 This utility model provides a technical solution: a handheld ELISA plate washing device, comprising a hollow handle 1 and an arc-shaped plate 2. A guide rod 3 and a return spring 4 are respectively installed on the inner wall of the hollow handle 1. An adjusting block 5 is installed at the end of the return spring 4 away from the hollow handle 1. Guide blocks 6 are installed at the top and bottom of the adjusting block 5. An L-shaped adjusting rod 7 is installed at the end of the adjusting block 5 near the return spring 4. A fixing rod 8 is installed at the bottom of the hollow handle 1. Guide blocks 6 are installed at the bottom of both the L-shaped adjusting rod 7 and the fixing rod 8. A hollow semicircular block 9 is provided, and a magnetic block 10 is installed inside the hollow semicircular block 9. An iron block 11 is magnetically connected to the top of the magnetic block 10. An extension rod 12 is installed at the end of the iron block 11 away from the magnetic block 10. An L-shaped limiting block 13 is installed on one side of the extension rod 12, and a T-shaped slider 14 is installed on the other side of the extension rod 12. A pull plate 15 is installed at the end of the extension rod 12 away from the iron block 11. A positioning block 16 is installed on the inner surface of the arc plate 2, and a cleaning cotton brush 17 is installed on the outer surface of the arc plate 2.

[0025] Specifically, the position of the adjusting block 5 is located inside the cavity handle 1, and the guide block 6 and the L-shaped adjusting rod 7 are both provided with guide holes, with the guide rod 3 passing through the guide holes.

[0026] Please see Figures 1 to 2 This allows the adjusting block 5 to move the L-shaped adjusting rod 7 and one of the cleaning cotton brushes 17. The guide rod 3 passes through the guide hole on the guide block 6 and serves as a positioning and guiding function.

[0027] Specifically, the inner surface of the arc plate 2 abuts against the outer surface of the hollow semicircular block 9, the length of the arc plate 2 is less than the length of the hollow semicircular block 9, and there are two hollow semicircular blocks 9.

[0028] Please refer to Figure 1 to Figure 5 Two hollow semicircular blocks 9, one of which is fixed relative to the position of the hollow handle 1, and the other is movable relative to the position of the hollow handle 1. This facilitates cleaning the gap between the cotton brushes 17 and allows the cotton brushes 17 to better contact the inner wall of the holes on the ELISA plate, thus improving the cleaning effect.

[0029] Specifically, the outer surface of the hollow semi-circular block 9 is provided with a positioning groove with the left and right direction as the depth direction. The end of the positioning block 16 is inserted into the inside of the positioning groove. The top of the positioning block 16 is provided with a limiting groove with the up and down direction as the depth direction. The end of the L-shaped limiting block 13 away from the extension rod 12 is inserted into the inside of the limiting groove.

[0030] Please refer to Figure 2 to Figure 3 This facilitates the positioning and installation of the cleaning cotton brush 17, as well as its disassembly and replacement.

[0031] Specifically, the hollow semicircular block 9 has a T-shaped groove with the left and right directions as the depth direction and the up and down directions as the length direction. The end of the T-shaped slider 14 is located inside the T-shaped groove, and the T-shaped slider 14 can slide along the length direction of the T-shaped groove.

[0032] Please see Figures 2 to 3 The T-shaped slider 14 moves along the length of the T-shaped groove, which guides the extension rod 12 and improves the stability of the L-shaped limit block 13.

[0033] Specifically, the end of the extension rod 12 near the iron block 11 is located inside the hollow semicircular block 9, and the end of the extension rod 12 near the pull plate 15 is located outside the hollow semicircular block 9.

[0034] Please refer to Figure 1 to Figure 4 This facilitates the movement of the extension rod 12 via the pull plate 15, and improves the stability of the cleaning brush 17 installation through the magnetic connection between the iron block 11 and the magnetic block 10.

[0035] When cleaning the holes on the ELISA plate, hold the hollow handle 1 and move it so that your fingers contact the adjusting block 5. This allows the cleaning brush 17 to enter the hole on the ELISA plate, with one of the cleaning brushes 17 contacting the inner wall of the hole. Push the adjusting block 5 with your fingers, and the guide rod 3, which passes through the guide hole in the guide block 6 and the L-shaped adjusting rod 7, moves the guide block 6 along the length of the guide rod 3. This causes the return spring 4 to contract, and the L-shaped adjusting rod 7 moves one of the hollow semicircular blocks 9, allowing adjustment of the distance between the two hollow semicircular blocks 9. This, in turn, adjusts the distance between the two cleaning brushes 17, ensuring that the other cleaning brush 17 contacts the inner wall of the hole on the ELISA plate. Both cleaning brushes 17 are then in contact with the inner wall of the hole on the ELISA plate. Rotating the hollow handle 1 then facilitates cleaning the holes on the ELISA plate, improving the cleaning effect. Adjusting the position of the cleaning brushes 17 allows for cleaning of different hole diameters on the ELISA plate, expanding its applicability. When removing or replacing the cleaning brushes 17, pull... Pull plate 15 causes extension rod 12, L-shaped limiting block 13, T-shaped slider 14, and iron block 11 to move. The end of T-shaped slider 14 is located inside T-shaped groove, causing T-shaped slider 14 to slide along the length of T-shaped groove, separating iron block 11 from magnetic block 10 and causing L-shaped limiting block 13 to leave limiting groove. Then, move arc plate 2 and cleaning cotton brush 17 to make positioning block 16 leave positioning groove, facilitating the disassembly of cleaning cotton brush 17. When replacing cleaning cotton brush 17, move cleaning cotton brush 17 and arc plate 2. The end of the positioning block 16 is inserted into the interior of the positioning groove. When the inner surface of the arc plate 2 abuts against the outer surface of the hollow semi-circular block 9, the position of the limiting groove and the L-shaped limiting block 13 are aligned. The pull plate 15 is moved downward, so that the L-shaped adjusting rod 7 drives the L-shaped limiting block 13 and the iron block 11 to move downward, so that the end of the L-shaped limiting block 13 is inserted into the interior of the limiting groove, so that the iron block 11 and the magnetic block 10 are magnetically connected, thereby improving the stability of the positioning block 16, improving the stability of the cleaning cotton brush 17 installation, and improving practicality.

[0036] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A hand-held ELISA plate washing device comprising a hollow handle and an arcuate plate, characterized in that: The inner wall of the cavity handle is respectively provided with a guide rod and a reset spring, the end of the reset spring away from the cavity handle is provided with an adjusting block, the top and bottom of the adjusting block are respectively provided with a guide block, the end of the adjusting block close to the reset spring is provided with an L-shaped adjusting rod, the bottom of the L-shaped adjusting rod and the bottom of the fixed rod are respectively provided with a cavity semicircle block, the inner part of the cavity semicircle block is respectively provided with a magnetic block, the top of the magnetic block is magnetically connected with an iron block, the end of the iron block away from the magnetic block is provided with an extension rod, the side surface of the extension rod is provided with an L-shaped limiting block, the other side surface of the extension rod is provided with a T-shaped sliding block, the end of the extension rod away from the iron block is provided with a pull plate, the inner surface of the arc-shaped plate is provided with a positioning block, and the outer surface of the arc-shaped plate is provided with a cleaning cotton brush.

2. A hand-held ELISA plate washer according to claim 1, wherein: The position of the adjusting block is located in the inside of the cavity handle, the guide hole is arranged in the inside of the guide block and the L-shaped adjusting rod, and the guide rod penetrates through the guide hole.

3. A hand-held ELISA plate washer as claimed in claim 1, wherein: The inner surface of the arc-shaped plate is in abutment with the outer surface of the cavity semicircle block, the length of the arc-shaped plate is less than the length of the cavity semicircle block, and the number of the cavity semicircle blocks is two.

4. The handheld ELISA plate washer of claim 1, wherein: The outer surface of the cavity semicircle block is provided with a positioning groove with the left-right direction as the depth direction, the end of the positioning block is inserted into the inside of the positioning groove, the top of the positioning block is provided with a limiting groove with the up-down direction as the depth direction, and the end of the L-shaped limiting block away from the extension rod is inserted into the inside of the limiting groove.

5. The handheld ELISA plate washer of claim 1, wherein: The inside of the cavity semicircle block is provided with a T-shaped sliding groove with the left-right direction as the depth direction and the up-down direction as the length direction, the end of the T-shaped sliding block is located in the inside of the T-shaped sliding groove, and the T-shaped sliding block can slide along the length direction of the T-shaped sliding groove.

6. The handheld ELISA plate washer of claim 1, wherein: The end of the extension rod close to the iron block is located in the inside of the cavity semicircle block, and the end of the extension rod close to the pull plate is located outside the cavity semicircle block.