Magnetic bead cleaning device

Abstract

The utility model discloses a magnetic bead cleaning device, which relates to the technical field of magnetic bead cleaning and comprises a cleaning box, a support rod is fixedly mounted on the inner side wall of the cleaning box, and an equipment box is fixedly mounted at one end of the support rod; the motor can drive the forward stirring rod and the reverse stirring rod to rotate, so that the forward stirring rod at the upper half part drives the magnetic beads to rotate and scatter in the forward direction, and the reverse stirring rod at the lower half part drives the magnetic beads to rotate and scatter in the reverse direction, and therefore, the magnetic beads can be better scattered and uniformly mixed; when the magnetic beads naturally settle slowly and are in a turbid liquid state, a worker can electrify the conductive coil, so that the magnetic beads are adsorbed on the inner wall of the cleaning box, then, the worker can discharge the cleaning liquid through the discharging pipe and supplement new cleaning liquid through the feeding pipe, and finally, the worker can cut off the power of the conductive coil. And the magnetic beads are cleaned again, so that the magnetic beads are cleaned more thoroughly.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of magnetic bead cleaning, especially to a magnetic bead cleaning device. BACKGROUND

[0002] Magnetic beads are an important separation medium and are widely used in biomedical research and industrial production. Chemiluminescence immunoassay is a combination of chemiluminescence detection technology with high sensitivity and immunoassay with high specificity, which is used for the detection and analysis of antigens, haptens, antibodies, hormones, enzymes, fatty acids, vitamins, and drugs. Due to its rapid, accurate, and environmentally friendly characteristics, a chemiluminescence immunoassay instrument is used to ensure the accuracy of chemiluminescence immunoassay detection. The magnetic beads in the reaction container need to be cleaned.

[0003] Traditional magnetic bead cleaning usually uses direct flushing and ultrasonic cleaning. Since the magnetic beads have a certain adsorption adhesion, there is a lack of design for scattering and mixing during cleaning, which makes the cleaning effect relatively general. Therefore, a magnetic bead cleaning device is proposed. SUMMARY

[0004] In order to improve the problem that traditional magnetic bead cleaning usually uses direct flushing and ultrasonic cleaning, since the magnetic beads have a certain adsorption adhesion, there is a lack of design for scattering and mixing during cleaning, which makes the cleaning effect relatively general, the utility model provides a magnetic bead cleaning device.

[0005] The utility model provides a magnetic bead cleaning device, adopts the following technical scheme:

[0006] A magnetic bead cleaning device, comprising a cleaning box, a support rod is fixedly installed on the inner side wall of the cleaning box, an equipment box is fixedly installed at one end of the support rod, a first bevel gear is rotatably connected to the inner side wall of the equipment box, a second bevel gear and a third bevel gear are respectively meshed with the outer surface of the first bevel gear, a second rotating rod is fixedly installed on one side of the second bevel gear, the second rotating rod can penetrate to the outside of the equipment box, and a forward stirring rod is symmetrically installed on the outer surface of the second rotating rod, a motor is fixedly installed on the top of the cleaning box, the output end of the motor penetrates the cleaning box and is fixedly connected with the second rotating rod, a third rotating rod is fixedly installed on one side of the third bevel gear, the third rotating rod penetrates to the outside of the equipment box, and a reverse stirring rod is symmetrically installed on the outer surface of the third rotating rod.

[0007] The outer side of the cleaning box is provided with a concave cavity, the inner wall of the concave cavity in the cleaning box is fixedly installed with a conductive coil, the conductive coil is electrically connected with an external power supply, the inner wall of the concave cavity in the cleaning box is provided with a baffle, the cleaning box is fixedly installed with a spring, one side of the spring is fixedly installed with a moving block, the inside of the moving block is fixedly provided with a limiting rod, and the inside of the baffle is provided with a limiting groove matched with the limiting rod.

[0008] By adopting the above technical scheme, when the magnetic beads need to be cleaned, the staff adds the magnetic beads and cleaning liquid into the cleaning box through the feeding pipe. The motor can drive the forward stirring rod and the reverse stirring rod to rotate, so that the forward stirring rod located in the upper half drives the magnetic beads to rotate forward to disperse, and the reverse stirring rod located in the lower half drives the magnetic beads to rotate reversely to disperse, so that the magnetic beads can be better dispersed and mixed. Within a period of time after stirring, the magnetic beads will naturally settle slowly and present a suspension liquid state. At this time, the staff can energize the conductive coil, so that the magnetic beads are adsorbed on the inner wall of the cleaning box. Then, the staff can discharge the cleaning liquid through the discharge pipe and supplement new cleaning liquid through the feeding pipe. Finally, the staff can de-energize the conductive coil and clean the magnetic beads again, so that the cleaning of the magnetic beads is more clean. The device is simple to operate, has good cleaning effect, and is conducive to popularization and use.

[0009] Optionally, the top of the equipment box is fixedly installed with a conical block, and the second rotating rod can penetrate through the inside of the conical block.

[0010] By adopting the above technical scheme, the conical block can reduce the situation that the magnetic block falls onto the upper surface of the equipment box.

[0011] Optionally, the outer surface of the cleaning box is provided with a groove, the limiting rod penetrates into the inside of the groove and is fixedly connected with a pull ring.

[0012] By adopting the above technical scheme, the pull ring can facilitate the staff to pull the limiting rod to move.

[0013] Optionally, the bottom of the cleaning box is fixedly installed with a supporting leg, the bottom of the supporting leg is fixedly installed with a rubber anti-skid pad, the top of the cleaning box is fixedly installed with a feeding pipe, and the bottom of the cleaning box is fixedly installed with a discharge pipe.

[0014] By adopting the above technical scheme, the rubber anti-skid pad can increase the friction between the supporting leg and the ground, so that the cleaning box is more stable during use.

[0015] Optionally, the opposite sides of the moving block are fixedly installed with sliding blocks, and the inside of the cleaning box is provided with sliding grooves matched with the sliding blocks.

[0016] By adopting the technical scheme, the sliding block and the sliding groove can limit the moving range of the moving block, and the moving block can move more stably.

[0017] Optionally, the outer side surface of the baffle is fixedly provided with a hand lever, and an anti-skid groove is formed in the outer surface of the hand lever.

[0018] By adopting the technical scheme, the hand lever can be conveniently held by the staff when the baffle is used, the anti-skid groove can increase the friction between the hands of the staff and the hand lever, and the hands of the staff can be prevented from slipping when the baffle is held.

[0019] Optionally, the top of the cleaning box is fixedly provided with a protection shell, the motor is arranged in the protection shell, a heat dissipation groove is formed in the top of the protection shell, and a heat dissipation net is fixedly arranged on the inner wall of the heat dissipation groove.

[0020] By adopting the technical scheme, the protection shell can protect the motor, reduce the damage of the motor caused by the collision of external objects, and transfer the heat generated by the motor to the outside through the heat dissipation groove and the heat dissipation net when the motor is used.

[0021] Optionally, an inclined guide angle facing the baffle is formed in the end of the limiting rod away from the pull ring.

[0022] By adopting the technical scheme, when the baffle is installed, the baffle can push the limiting rod to move through the guide angle, so that the baffle can be quickly connected with the cleaning box.

[0023] In summary, the utility model has the following beneficial effects:

[0024] 1. When the magnetic beads need to be cleaned, the staff adds the magnetic beads and the cleaning liquid into the cleaning box through the feeding pipe, the motor can drive the forward stirring rod and the reverse stirring rod to rotate, the forward stirring rod located in the upper half part drives the magnetic beads to rotate forward to scatter, the reverse stirring rod located in the lower half part drives the magnetic beads to rotate reversely to scatter, so that the magnetic beads can be better scattered and mixed, within a period of time after stirring, the magnetic beads will naturally settle slowly and present a suspension liquid state, at this time, the staff can energize the conductive coil, the magnetic beads are adsorbed on the inner wall of the cleaning box, then the staff can discharge the cleaning liquid through the discharging pipe and supplement new cleaning liquid through the feeding pipe, finally, the staff can de-energize the conductive coil and clean the magnetic beads again, so that the magnetic beads are cleaned more cleanly, the equipment is simple to operate, has good cleaning effect, and is favorable for popularization and use in a range.

[0025] 2. When the conductive coil needs to be repaired or replaced, the operator can use the pull ring to control the limit rod to separate from the limit groove on the baffle, so that the operator can quickly remove the baffle to repair or replace the conductive coil. Attached Figure Description

[0026] Figure 1 This is a frontal cross-sectional structural diagram of the present invention.

[0027] Figure 2 This is a utility model Figure 1 Enlarged structural diagram at point A in the middle.

[0028] Figure 3 This is a schematic diagram of the conical block structure of this utility model.

[0029] Figure 4 This is a practical book Figure 1 Enlarged structural diagram at point B.

[0030] Explanation of reference numerals in the attached figures:

[0031] 1. Cleaning tank; 2. Support rod; 3. Equipment box; 4. First bevel gear; 5. Second bevel gear; 6. Third bevel gear; 7. Second rotating rod; 8. Forward stirring rod; 9. Motor; 10. Third rotating rod; 11. Reverse stirring rod; 12. Conductive coil; 13. Baffle; 14. Spring; 15. Moving block; 16. Limiting rod; 17. Conical block; 18. Pull ring; 19. Support leg; 20. Sliding block; 21. Hand lever; 22. Protective shell; 23. Guide angle. Detailed Implementation

[0032] The following description, in conjunction with the embodiments of this utility model, includes appendices. Figures 1-4 The technical solutions in the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0033] Please refer to Figure 1 A magnetic bead cleaning device includes a cleaning tank 1. Four legs 19 are fixedly installed at the bottom of the cleaning tank 1, and the four legs 19 are respectively located at the four corners of the bottom of the cleaning tank 1. Rubber anti-slip pads are fixedly installed on the bottom of each leg 19. The rubber anti-slip pads can increase the friction between the leg 19 and the ground, making the cleaning tank 1 more stable during use. A feed pipe is fixedly installed on the top of the cleaning tank 1, and a discharge pipe is fixedly installed on the bottom of the cleaning tank 1. The feed pipe and discharge pipe can facilitate the insertion and discharge of magnetic beads and cleaning liquid.

[0034] Please refer to Figure 1 and Figure 2 The inner side wall of the cleaning box 1 is fixedly provided with a supporting rod 2, one end of the supporting rod 2 is fixedly provided with an equipment box 3, the inner side wall of the equipment box 3 is rotationally connected with a first bevel gear 4, the outer surface of the first bevel gear 4 is respectively meshingly connected with a second bevel gear 5 and a third bevel gear 6, one side of the second bevel gear 5 is fixedly provided with a second rotating rod 7, the second rotating rod 7 can penetrate to the outside of the equipment box 3, and the outer surface of the second rotating rod 7 is symmetrically provided with a forward stirring rod 8. The top of the cleaning box 1 is fixedly provided with a motor 9 and a protective shell 22, the motor 9 is arranged in the protective shell 22, the output end of the motor 9 penetrates the cleaning box 1 and is fixedly connected with the second rotating rod 7, one side of the third bevel gear 6 is fixedly provided with a third rotating rod 10, the third rotating rod 10 penetrates to the outside of the equipment box 3, and the outer surface of the third rotating rod 10 is symmetrically provided with a reverse stirring rod 11.

[0035] Please refer to Figure 1 and Figure 3 The top of the protective shell 22 is provided with a heat dissipation groove, the inner wall of the heat dissipation groove is fixedly provided with a heat dissipation net, the protective shell 22 can protect the motor 9, reduce the damage of the motor 9 caused by the collision of external objects, and the heat generated by the motor 9 during use can be transferred to the outside through the heat dissipation groove and the heat dissipation net, and the entry of external dust and impurities into the protective shell 22 can be reduced. The top of the equipment box 3 is fixedly provided with a conical block 17, the second rotating rod 7 can penetrate the inside of the conical block 17, and the conical block 17 can reduce the situation that the magnetic block falls on the upper surface of the equipment box 3.

[0036] Please refer to Figure 1 and Figure 4 The outer side of the cleaning box 1 is provided with an inner cavity, the inner wall of the inner cavity is fixedly provided with an electric coil 12, the electric coil 12 is electrically connected with an external power supply, and the electric coil 12 can attract the magnetic beads in the cleaning box 1 to the inner wall of the cleaning box 1 when electrified. The inner wall of the inner cavity is provided with a baffle 13, the outer side of the baffle 13 is fixedly provided with a hand lever 21, and the outer surface of the hand lever 21 is provided with an anti-skid groove. In use, the hand lever 21 can facilitate the staff to take the baffle 13, the anti-skid groove can increase the friction between the hands of the staff and the hand lever 21, and can reduce the situation that the hands of the staff slip when taking the baffle 13.

[0037] Please refer to Figure 1 and Figure 4The inside of the cleaning box 1 is fixedly provided with a spring 14, one side of the spring 14 is fixedly provided with a moving block 15, the inside of the moving block 15 is fixedly provided with a limiting rod 16, and the inside of the baffle 13 is provided with a limiting groove matched with the limiting rod 16. The outer surface of the cleaning box 1 is provided with a groove, the limiting rod 16 penetrates into the groove and is fixedly connected with a pull ring 18, and the pull ring 18 can facilitate the staff to pull the limiting rod 16 to move. The opposite sides of the moving block 15 are fixedly provided with sliding blocks 20, and the inside of the cleaning box 1 is provided with sliding grooves matched with the sliding blocks 20; the sliding blocks 20 and the sliding grooves can limit the moving range of the moving block 15 and make the moving block 15 move more stably. The end, away from the pull ring 18, of the limiting rod 16 is provided with a guide angle 23 inclined towards the baffle 13; when the baffle 13 is installed, the baffle 13 can push the limiting rod 16 to move through the guide angle 23, so that the baffle 13 can be quickly connected with the cleaning box 1. When the conductive coil 12 needs to be overhauled or replaced, the staff can pull the limiting rod 16 to move through the pull ring 18; the limiting rod 16 can drive the moving plate 15 to press the spring 14 and separate from the limiting groove on the baffle 13, so that the staff can quickly disassemble the baffle 13 to overhaul or replace the conductive coil 12.

[0038] The implementation principle of the utility model is: when the magnetic beads need to be cleaned, the staff adds the magnetic beads and cleaning liquid into the inside of the cleaning box 1 through the feeding pipe, then the motor 9 can drive the second rotating rod 7 and the forward stirring rod 8 to rotate, the second rotating rod 7 can drive the second bevel gear 5 to rotate, the second bevel gear 5 can drive the third bevel gear 6 to rotate through the first bevel gear 4, the third bevel gear 6 can drive the third rotating rod 10 and the reverse stirring rod 11 to rotate, so that the forward stirring rod 8 located in the upper half part drives the magnetic beads to rotate forward to scatter, the reverse stirring rod 11 located in the lower half part drives the magnetic beads to rotate reversely to scatter, so that the magnetic beads can be better scattered and mixed, and the cleaning is facilitated; within a period of time after stirring, the magnetic beads will appear slow natural sedimentation and present a state of suspension liquid, at this time, the staff can power on the conductive coil 12, so that the magnetic beads are adsorbed on the inner wall of the cleaning box 1, then the staff can discharge the cleaning liquid through the discharging pipe and supplement new cleaning liquid through the feeding pipe, finally, the staff can power off the conductive coil 12 and start the motor 9, the motor 9 can control the forward stirring rod 8 and the reverse stirring rod 11 to rotate, and the magnetic beads are cleaned again, so that the cleaning of the magnetic beads is more clean;

[0039] When the conductive coil 12 needs to be overhauled or replaced, the staff can pull the limiting rod 16 to move through the pull ring 18; the limiting rod 16 can drive the moving plate 15 to press the spring 14 and separate from the limiting groove on the baffle 13, so that the staff can quickly disassemble the baffle 13 to overhaul or replace the conductive coil 12.

[0040] The above are only preferred embodiments of the present application, and are not used to limit the present application, and although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A magnetic bead washing device comprising a washing tank (1), characterized in that: The inner side wall of the cleaning box (1) is fixedly installed with a supporting rod (2), one end of the supporting rod (2) is fixedly installed with an equipment box (3), the inner side wall of the equipment box (3) is rotationally connected with a first bevel gear (4), the outer surface of the first bevel gear (4) is respectively meshingly connected with a second bevel gear (5) and a third bevel gear (6), one side of the second bevel gear (5) is fixedly installed with a second rotating rod (7), the second rotating rod (7) can penetrate to the outside of the equipment box (3), and the outer surface of the second rotating rod (7) is symmetrically installed with a forward stirring rod (8), the top of the cleaning box (1) is fixedly installed with a motor (9), the output end of the motor (9) penetrating the cleaning box (1) is fixedly connected with the second rotating rod (7), one side of the third bevel gear (6) is fixedly installed with a third rotating rod (10), the third rotating rod (10) penetrates to the outside of the equipment box (3), and the outer surface of the third rotating rod (10) is symmetrically installed with a reverse stirring rod (11). The outer side of the cleaning box (1) is provided with an inner cavity, the inner wall of the inner cavity in the cleaning box (1) is fixedly installed with an electric coil (12), the electric coil (12) is electrically connected with an external power supply, the inner wall of the inner cavity in the cleaning box (1) is provided with a baffle (13), the inside of the cleaning box (1) is fixedly installed with a spring (14), one side of the spring (14) is fixedly installed with a moving block (15), the inside of the moving block (15) is fixedly provided with a limiting rod (16), the inside of the baffle (13) is provided with a limiting groove matched with the limiting rod (16).

2. The magnetic bead washing device of claim 1, wherein: The top of the equipment box (3) is fixedly installed with a conical block (17), the second rotating rod (7) can penetrate the inside of the conical block (17).

3. The magnetic bead washing device of claim 1, wherein: The outer surface of the cleaning box (1) is provided with a groove, the limiting rod (16) penetrates to the inside of the groove and is fixedly connected with a pull ring (18).

4. The magnetic bead washing device of claim 1, wherein: The bottom of the cleaning box (1) is fixedly installed with a supporting leg (19), the bottom of the supporting leg (19) is fixedly installed with a rubber antiskid pad, the top of the cleaning box (1) is fixedly installed with a feeding pipe, and the bottom of the cleaning box (1) is fixedly installed with a discharging pipe.

5. The magnetic bead washing device of claim 1, wherein: The opposite sides of the moving block (15) are fixedly installed with sliding blocks (20), and the inside of the cleaning box (1) is provided with sliding grooves matched with the sliding blocks (20).

6. The magnetic bead washing device of claim 1, wherein: The outer side of the baffle (13) is fixedly installed with a hand pull rod (21), and the outer surface of the hand pull rod (21) is provided with an antiskid groove.

7. The magnetic bead washing device of claim 1, wherein: The top of the cleaning box (1) is fixedly installed with a protection shell (22), the motor (9) is arranged in the protection shell (22), the top of the protection shell (22) is provided with a heat dissipation groove, and the inner wall of the heat dissipation groove in the protection shell (22) is fixedly installed with a heat dissipation net.

8. The magnetic bead washing device of claim 3, wherein: The end of the limiting rod (16) away from the pull ring (18) is provided with a guide angle (23) inclined to the baffle (13).

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