Nucleic acid extractor with oscillation device

Abstract

The nucleic acid extraction instrument comprises a U-shaped base, a damper is fixedly connected to the lower inner wall of the U-shaped base, a supporting table is fixedly connected to the upper end of the damper through a damping spring, and sliding grooves are formed in the inner walls of the left side and the right side of the U-shaped base; the lower end of the U-shaped mounting base is fixedly connected with the upper end of the supporting table, the left end and the right end of the U-shaped mounting base abut against the side inner wall of the U-shaped base, the left end and the right end of the U-shaped mounting base are fixedly connected with limiting rods, the U-shaped mounting base is slidably connected with the sliding grooves through the limiting rods, and the lower inner wall of the U-shaped mounting base is fixedly connected with a sample box and a kit. The damping mechanism is composed of the U-shaped base, the damper, the damping spring, the supporting table, the sliding groove, the U-shaped mounting base, the limiting rod and the oscillation platform, vibration and noise generated in the oscillation process can be reduced, the performance and stability of the nucleic acid extraction instrument are effectively improved, and it is ensured that external interference and sample loss are reduced when nucleic acid is efficiently extracted.

Description

Technical Field

[0001] The utility model relates to the technical field of nucleic acid extraction, and particularly relates to a nucleic acid extractor with a vibration device. Background Art

[0002] When the existing nucleic acid extractor with a vibration device vibrates during the nucleic acid extraction process, it will generate excessive vibration, noise and external interference, resulting in sample loss, and the performance and stability of the nucleic acid extraction instrument are insufficient; the operation steps are complex, inconvenient to use, and not conducive to the rapid extraction of nucleic acids. The Chinese patent discloses a "nucleic acid extraction device for a nucleic acid extractor" with an application number of "CN202121953599.2", which includes an equipment support, an extraction rack, a first vibration structure and a second vibration structure. The equipment support is in a frame shape and a first motor is installed on the outside thereof. The extraction rack, the first vibration structure and the second vibration structure are installed inside the equipment support; the first vibration structure includes a column, a vibration frame, a cross bar and a first connecting rod. The column is vertically fixed inside the equipment support, and the vibration frame is hinged on the column through a hinge seat; a second vibration structure is installed inside the vibration frame. The second vibration structure includes a housing, a second motor, a second connecting rod, a third connecting rod, a gear and a toothed ring. The housing has a cavity, and a toothed ring is provided on the inner wall of the cavity. The utility model uses the first vibration structure and the second vibration structure to continuously vibrate the extraction rack in the left-right and up-down directions, which can further enhance the vibration effect and contribute to nucleic acid extraction. However, the nucleic acid extractor is prone to additional vibration and sample loss caused by external interference, which is not conducive to the stable extraction of nucleic acids; the operation steps are numerous and not easy to use, and the efficiency of the nucleic acid extractor is not high. Summary of the Utility Model

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a nucleic acid extractor with a vibration device. A shock absorption mechanism is composed of a U-shaped base, a damper, a shock absorption spring, a support table, a chute, a U-shaped mounting seat, a limiting rod and a vibration platform, which can reduce the vibration and noise generated during the vibration process, effectively improve the performance and stability of the nucleic acid extractor, and ensure the reduction of external interference and sample loss during the efficient extraction of nucleic acids; a test tube placement mechanism is composed of a sample box, a reagent kit and a grid groove, which can quickly take and place test tubes, optimize the operation steps, and improve the operation efficiency of the nucleic acid extractor.

[0004] The present utility model also provides a nucleic acid extractor with the above-mentioned oscillation device, comprising: a U-shaped base, the lower inner wall of the U-shaped base is fixedly connected with a damper, the upper end of the damper is fixedly connected with a support platform through a shock-absorbing spring, and the left and right inner walls of the U-shaped base are provided with sliding grooves; a U-shaped mounting seat, the lower end of the U-shaped mounting seat is fixedly connected with the upper end of the support platform, the left and right ends of the U-shaped mounting seat are abutted against the inner side walls of the U-shaped base, the left and right ends of the U-shaped mounting seat are fixedly connected with limiting rods, and the U-shaped mounting seat is slidably connected with the sliding grooves through the limiting rods. The lower inner wall of the U-shaped mounting seat is fixedly connected with a sample box and a reagent kit; an oscillation platform, the lower end of the oscillation platform is fixedly connected with the lower inner wall of the U-shaped mounting seat, an oscillation motor is arranged inside the oscillation platform, the upper end of the oscillation platform is fixedly connected with a placement platform, and circular hole grooves are arranged inside the placement platform, and the circular hole grooves are uniformly distributed inside the placement platform.

[0005] According to the nucleic acid extractor with an oscillation device of the present utility model, the lower end of the U-shaped base is fixedly connected with rollers, and the rollers are located at the four corners of the lower end of the U-shaped base. It is convenient for the movement of the nucleic acid extractor and improves the convenience of using the nucleic acid extractor.

[0006] According to the nucleic acid extractor with an oscillation device of the present utility model, the side end of the U-shaped base is fixedly connected with a handle, and the handles are symmetrically distributed at the left and right ends of the U-shaped base. It is convenient for dragging the nucleic acid extractor and improves the convenience of using the nucleic acid extractor.

[0007] According to the nucleic acid extractor with an oscillation device of the present utility model, the upper end of the sample box is rotatably connected with a first cover plate through a first rotating shaft. It prevents the entry of dust and improves the cleanliness of the sample box.

[0008] According to the nucleic acid extractor with an oscillation device of the present utility model, a first grid groove is arranged inside the sample box to facilitate the stable storage of the sample tube. The sample tube is arranged inside the first grid groove to facilitate the storage of the sample. A first sealing cover is arranged at the upper end of the sample tube to facilitate the sealing of the sample tube.

[0009] According to the nucleic acid extractor with an oscillation device of the present utility model, the upper end of the reagent kit is rotatably connected with a second cover plate through a second rotating shaft, and the side end of the reagent kit is abutted against the side end of the sample box. It prevents the entry of dust and improves the cleanliness of the reagent kit.

[0010] According to the nucleic acid extractor with an oscillation device of the present utility model, a second grid groove is arranged inside the reagent kit to facilitate the stable storage of the reagent tube. The reagent tube is arranged inside the second grid groove to facilitate the storage of the reagent. A second sealing cover is arranged at the upper end of the reagent tube to facilitate the sealing of the reagent tube. Beneficial effects

[0011] 1. Compared with the prior art, the nucleic acid extractor with an oscillation device reduces vibration and noise generated during oscillation through a shock absorption mechanism composed of a U-shaped base, a damper, a shock absorption spring, a support platform, a chute, a U-shaped mounting seat, a limiting rod, and an oscillation platform, effectively improving the performance and stability of the nucleic acid extractor, and ensuring reduced external interference and sample loss during efficient nucleic acid extraction;

[0012] 2. Compared with the prior art, the nucleic acid extractor with an oscillation device optimizes the operation steps and improves the operation efficiency of the nucleic acid extractor by quickly taking and placing test tubes through a test tube placement mechanism composed of a sample box, a reagent kit, and a grid slot. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present utility model will be further described below in conjunction with the drawings and embodiments;

[0014] Figure 1 is a schematic structural diagram of a nucleic acid extractor with an oscillation device according to the present utility model;

[0015] Figure 2 is a top view structural diagram of a nucleic acid extractor with an oscillation device according to the present utility model;

[0016] Figure 3 is a transverse sectional structural diagram of a nucleic acid extractor with an oscillation device according to the present utility model;

[0017] Figure 4 is a longitudinal sectional structural diagram of a nucleic acid extractor with an oscillation device according to the present utility model.

[0018] Legend description:

[0019] 1. U-shaped base; 2. Oscillation platform; 3. Sample box; 4. First grid slot; 5. Sample tube; 6. First sealing cover; 7. First rotating shaft; 8. First cover plate; 9. Second rotating shaft; 10. Second cover plate; 11. Reagent kit; 12. Second sealing cover; 13. Reagent tube; 14. Second grid slot; 15. Placement table; 16. Round hole slot; 17. Limiting rod; 18. Chute; 19. Roller; 20. Handle; 21. U-shaped mounting seat; 22. Support platform; 23. Damper; 24. Oscillation motor; 25. Shock absorption spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The function of the accompanying drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model. However, it should not be construed as a limitation on the protection scope of the present utility model.

[0021] Referring to Figures 1-4 , an embodiment of the present utility model provides a nucleic acid extractor with an oscillation device, which includes: a U-shaped base 1. The lower end of the U-shaped base 1 is fixedly connected with rollers 19 for moving the nucleic acid extractor. The rollers 19 are located at the four corners of the lower end of the U-shaped base 1. The side end of the U-shaped base 1 is fixedly connected with a handle 20 for dragging the nucleic acid extractor. The handles 20 are symmetrically distributed at the left and right ends of the U-shaped base 1. The lower inner wall of the U-shaped base 1 is fixedly connected with a damper 23, which cooperates with a shock-absorbing spring 25 to produce a shock-absorbing effect, avoiding resonance during operation and reducing unnecessary vibrations. The upper end of the damper 23 is fixedly connected with a support platform 22 through the shock-absorbing spring 25 to fix the U-shaped mounting seat 21. The left and right inner walls of the U-shaped base 1 are provided with sliding grooves 18 to enable the limiting rods 17 to slide within the U-shaped base 1;

[0022] The U-shaped mounting seat 21. The lower end of the U-shaped mounting seat 21 is fixedly connected with the upper end of the support platform 22. The left and right ends of the U-shaped mounting seat 21 are in contact with the side inner walls of the U-shaped base 1. The left and right ends of the U-shaped mounting seat 21 are fixedly connected with limiting rods 17, which slide within the sliding grooves 18. The U-shaped mounting seat 21 is slidably connected to the sliding grooves 18 through the limiting rods 17. The lower inner wall of the U-shaped mounting seat 21 is fixedly connected with a sample box 3 and a reagent kit 11. The sample box 3 stores sample tubes 5, and the reagent kit 11 stores reagent tubes 13. The upper end of the sample box 3 is rotatably connected with a first cover plate 8 through a first rotating shaft 7 to open and close the sample box 3. The sample box 3 is provided with a first grid groove 4 to limit the sample tubes 5. The first grid groove 4 contains the sample tubes 5 for storing samples. The upper end of the sample tube 5 is provided with a first sealing cap 6 to seal the sample tube 5. The upper end of the reagent kit 11 is rotatably connected with a second cover plate 10 through a second rotating shaft 9 to open and close the reagent kit 11. The side end of the reagent kit 11 is in contact with the side end of the sample box 3. The reagent kit 11 is provided with a second grid groove 14 to limit the reagent tubes 13. The second grid groove 14 contains the reagent tubes 13 for storing nucleic acid extraction reagents. The upper end of the reagent tube 13 is provided with a second sealing cap 12 to seal the reagent tube 13;

[0023] Vibration platform 2, the lower end of the vibration platform 2 is fixedly connected to the lower inner wall of the U-shaped mounting base 21. An oscillation motor 24 is arranged inside the vibration platform 2 to provide oscillation power, ensuring the stability and reliability of the oscillation process. The upper end of the vibration platform 2 is fixedly connected to a placement table 15 for placing the sample tube 5 for nucleic acid oscillation extraction. A circular hole groove 16 is arranged inside the placement table 15 for inserting the sample tube 5 to stably place the sample tube 5. The circular hole grooves 16 are evenly distributed inside the placement table 15; the damper 23 cooperates with the shock-absorbing spring to produce a shock-absorbing effect, which can avoid resonance during operation and reduce unnecessary vibrations.

[0024] Working principle: Use a nucleic acid extractor with an oscillation device to extract nucleic acid. Insert the sample tube 5 into the circular hole groove 16 of the placement table, open the reagent tube 13, pour the nucleic acid extraction reagent stored in the reagent tube 13 into the sample tube 5, and start the oscillation motor 24 to drive the placement table 15 to oscillate to extract the nucleic acid in the sample; the damper 23 cooperates with the shock-absorbing spring 25 to produce a shock-absorbing effect, which can avoid resonance during operation and reduce unnecessary vibrations.

[0025] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the gist of the present invention.

Claims

1. A nucleic acid extractor with an oscillating device, characterized in that: include: A U-shaped base (1), wherein a damper (23) is fixedly connected to the lower inner wall of the U-shaped base (1), an upper end of the damper (23) is fixedly connected to a support platform (22) via a damping spring (25), and slide grooves (18) are provided on the left and right inner walls of the U-shaped base (1); A U-shaped mounting seat (21), wherein the lower end of the U-shaped mounting seat (21) is fixedly connected to the upper end of the support platform (22), the left and right ends of the U-shaped mounting seat (21) are in contact with the side inner wall of the U-shaped base (1), the left and right ends of the U-shaped mounting seat (21) are fixedly connected to the limit rod (17), the U-shaped mounting seat (21) is slidably connected to the slide groove (18) via the limit rod (17), and the lower inner wall of the U-shaped mounting seat (21) is fixedly connected to the sample box (3) and the reagent box (11); An oscillating platform (2), wherein the lower end of the oscillating platform (2) is fixedly connected to the lower inner wall of the U-shaped mounting seat (21), an oscillating motor (24) is arranged inside the oscillating platform (2), and the upper end of the oscillating platform (2) is fixedly connected to a placement table (15), wherein the placement table (15) is provided with circular hole grooves (16), and the circular hole grooves (16) are evenly distributed inside the placement table (15).

2. A nucleic acid extractor with an oscillating device according to claim 1, characterized in that: The lower end of the U-shaped base (1) is fixedly connected to a roller (19), and the roller (19) is located at the four corners of the lower end of the U-shaped base (1).

3. A nucleic acid extractor with an oscillating device according to claim 1, characterized in that: A handle (20) is fixedly connected to the side end of the U-shaped base (1), and the handle (20) is symmetrically distributed at the left and right ends of the U-shaped base (1).

4. A nucleic acid extractor with an oscillating device according to claim 1, characterized in that: The upper end of the sample box (3) is rotatably connected to a first cover plate (8) via a first rotating shaft (7).

5. The nucleic acid extractor with an oscillating device according to claim 1, characterized in that: A first grid slot (4) is arranged in the sample box (3), a sample tube (5) is arranged in the first grid slot (4), and a first sealing cover (6) is arranged at the upper end of the sample tube (5).

6. The nucleic acid extractor with an oscillating device according to claim 1, characterized in that: The upper end of the reagent box (11) is rotatably connected to the second cover plate (10) via a second rotating shaft (9), and the side end of the reagent box (11) abuts against the side end of the sample box (3).

7. The nucleic acid extractor with an oscillating device according to claim 1, characterized in that: The reagent box (11) is provided with a second grid slot (14), a reagent tube (13) is provided in the second grid slot (14), and a second sealing cover (12) is provided at the upper end of the reagent tube (13).

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