Uniform mixing device for nucleic acid extraction

Abstract

The utility model discloses a mixing device for nucleic acid extraction, which belongs to the technical field of nucleic acid extraction and comprises a fixing frame, a mounting component is arranged on the inner wall of the fixing frame and comprises two first rotating shafts, a mounting frame, a plurality of positioning pins, a test tube rack and a plurality of positioning holes, a limiting component is fixedly connected to the upper surface of the mounting frame, and the limiting component is fixedly connected to the lower surface of the mounting frame. The limiting assembly comprises a shell, a square sliding rod, a spring, a limiting block, a through groove and a shifting plate, a swinging assembly is arranged on the surface of the fixing frame, and the swinging assembly comprises a rotating disc, a second rotating shaft, a connecting rod, a third rotating shaft and a motor. The test tube rack is mounted and dismounted, so that a plurality of test tubes can be conveniently placed and taken at the same time, the working efficiency is improved, a spring pushes a limiting block to be lapped on the surface of the test tube rack by arranging a limiting assembly, and the test tube rack is conveniently limited.

Description

Technical Field

[0001] The utility model relates to the technical field of nucleic acid extraction, and more specifically, to a mixing device for nucleic acid extraction. Background Art

[0002] Nucleic acid is the basic unit that represents the genetic characteristics of living organisms. Nucleic acid testing is an advanced biological test at the molecular level. Compared with traditional morphological testing, cytological testing, immunological testing, etc., it has significant advantages such as greater sensitivity, specificity, and no window period.

[0003] When using the existing mixing device for nucleic acid extraction, test tubes need to be placed on the surface of the mixing device one by one. After mixing, the test tubes need to be taken out one by one for subsequent operations. The use process is relatively cumbersome and affects work efficiency. Utility Model Content

[0004] (1) Technical issues to be solved

[0005] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a mixing device for nucleic acid extraction, which has the characteristics of convenient operation.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides a mixing device for nucleic acid extraction, including a fixed frame, an inner wall of the fixed frame is provided with a mounting assembly, the mounting assembly includes two first rotating shafts, a mounting frame, a plurality of positioning pins, a test tube rack and a plurality of positioning holes, the upper surface of the mounting frame is fixedly connected to a limiting assembly, the limiting assembly includes a shell, a square slide bar, a spring, a limiting block, a through groove and a dial plate, the surface of the fixed frame is provided with a swinging assembly, the swinging assembly includes a turntable, a second rotating shaft, a connecting rod, a third rotating shaft and a motor.

[0008] When using a mixing device for nucleic acid extraction of the present technical solution, by setting up a mounting component, under the action of a test tube rack, it is convenient to store multiple test tubes, and by installing and disassembling the test tube rack, it is convenient to place and take multiple test tubes at the same time, thereby improving work efficiency. By setting a limiting component, the spring pushes the limiting block to overlap the surface of the test tube rack, thereby facilitating the limiting of the test tube rack.

[0009] Furthermore, the two first rotating shafts are rotatably connected to the inner wall of the fixing frame through bearings, the mounting frame is fixedly connected to the other ends of the two first rotating shafts, the plurality of positioning pins are fixedly connected to the upper surface of the mounting frame, the test tube rack is overlapped on the surface of the mounting frame, and the plurality of positioning holes are opened on the lower surface of the test tube rack.

[0010] Furthermore, the shell is fixedly connected to the upper surface of the mounting frame, the square slide rod is fixedly connected to the side of the inner wall of the shell, the spring is sleeved on the surface of the square slide rod, the limit block is slidably connected to the surface of the square slide rod, the through groove is opened on the upper surface of the shell, and the shift plate is fixedly connected to the upper surface of the limit block.

[0011] Furthermore, the shell is fixedly connected to the upper surface of the mounting frame, the square slide rod is fixedly connected to the side of the inner wall of the shell, the spring is sleeved on the surface of the square slide rod, the limit block is slidably connected to the surface of the square slide rod, the through groove is opened on the upper surface of the shell, and the shift plate is fixedly connected to the upper surface of the limit block.

[0012] Furthermore, handles are fixedly connected to both sides of the fixing frame.

[0013] Furthermore, a plurality of silicone pads are arranged on the inner wall of the test tube rack.

[0014] Furthermore, a plurality of legs are fixedly connected to the lower surface of the fixing frame.

[0015] (3) Beneficial effects

[0016] In summary, the utility model has the following beneficial effects:

[0017] 1. The mixing device for nucleic acid extraction is convenient for storing multiple test tubes under the action of the test tube rack by setting the installation component, and convenient for placing and taking multiple test tubes at the same time by installing and disassembling the test tube rack, thereby improving work efficiency. By setting the limit component, the spring pushes the limit block to overlap the surface of the test tube rack, thereby facilitating the limit of the test tube rack;

[0018] 2. The mixing device for nucleic acid extraction is provided with a swinging assembly. Under the action of the second rotating shaft, the turntable drives one end of the connecting rod to perform a circular motion, so that the third rotating shaft drives the mounting frame to swing through the first rotating shaft, thereby mixing the sample in the test tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the drawings required for describing the specific implementation or the prior art will be briefly introduced below. Obviously, the drawings described below are only one implementation of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0021] Figure 2 for Figure 1The enlarged structural diagram at A in the middle;

[0022] Figure 3 This is a schematic diagram of the structure of the utility model when viewed from above;

[0023] Figure 4 for Figure 3 Enlarged structural diagram at B in the middle.

[0024] The symbols in the accompanying drawings are:

[0025] 1. Fixed frame;

[0026] 2. Installation assembly; 201. First rotating shaft; 202. Installation frame; 203. Positioning pin; 204. Test tube rack; 205. Positioning hole;

[0027] 3. Limiting assembly; 301. Housing; 302. Square slide bar; 303. Spring; 304. Limiting block; 305. Through slot; 306. Dial plate;

[0028] 4. Swinging assembly; 401. Turntable; 402. Second rotating shaft; 403. Connecting rod; 404. Third rotating shaft; 405. Motor;

[0029] 5. Handle;

[0030] 6. Silicone pad;

[0031] 7. Support legs. DETAILED DESCRIPTION

[0032] In order to make the technical means, creative features, objectives and effects achieved by the utility model easy to understand, the technical scheme in the specific implementation mode of the utility model is clearly and completely described below to further illustrate the utility model. Obviously, the specific implementation mode described is only a part of the implementation mode of the utility model, rather than all styles.

[0033] Example:

[0034] The following is combined with Figure 1-4 The utility model is described in further detail.

[0035] See also Figure 1-4The utility model provides a technical solution: a mixing device for nucleic acid extraction, comprising a fixing frame 1, an inner wall of the fixing frame 1 is provided with a mounting assembly 2, the mounting assembly 2 comprises two first rotating shafts 201, a fixing frame 202, a plurality of positioning pins 203, a test tube rack 204 and a plurality of positioning holes 205, the upper surface of the fixing frame 202 is fixedly connected with a limiting assembly 3, the limiting assembly 3 comprises a shell 301, a square slide bar 302, a spring 303, a limiting block 304, a through slot 305 and a dial plate 306, and a swinging Component 4, the swing component 4 includes a turntable 401, a second rotating shaft 402, a connecting rod 403, a third rotating shaft 404 and a motor 405. By setting the installation component 2, under the action of the test tube rack 204, it is convenient to store multiple test tubes. By installing and disassembling the test tube rack 204, it is convenient to place and take multiple test tubes at the same time, thereby improving work efficiency. By setting the limit component 3, the spring 303 pushes the limit block 304 to overlap the surface of the test tube rack 204, thereby facilitating the test tube rack 204 to limit the position.

[0036] Specifically, the two first rotating shafts 201 are rotatably connected to the inner wall of the fixed frame 1 through bearings, the mounting frame 202 is fixedly connected to the other ends of the two first rotating shafts 201, a plurality of positioning pins 203 are fixedly connected to the upper surface of the mounting frame 202, the test tube rack 204 is overlapped on the surface of the mounting frame 202, and a plurality of positioning holes 205 are opened on the lower surface of the test tube rack 204.

[0037] By adopting the above technical solution, by setting up the test tube rack 204, it is convenient to store multiple test tubes. Under the action of the positioning pin 203 and the positioning hole 205, it is convenient to position the test tube rack 204. By installing and disassembling the test tube rack 204, it is convenient to place and take multiple test tubes at the same time, thereby improving work efficiency.

[0038] Specifically, the shell 301 is fixedly connected to the upper surface of the mounting frame 202, the square slide bar 302 is fixedly connected to the inner wall side of the shell 301, the spring 303 is sleeved on the surface of the square slide bar 302, the limit block 304 is slidably connected to the surface of the square slide bar 302, the through groove 305 is opened on the upper surface of the shell 301, and the dial plate 306 is fixedly connected to the upper surface of the limit block 304.

[0039] By adopting the above technical solution, by setting the limit block 304, the spring 303 pushes the limit block 304 to slide on the surface of the square slide bar 302, so that the limit block 304 overlaps the surface of the test tube rack 204, so as to facilitate the test tube rack 204 to be limited, and by toggling the paddle 306, it is easy to drive the limit block 304 to be separated from the surface of the test tube rack 204, so as to release the limit on it, and facilitate the test tube rack 204 and a large number of test tubes to be taken out.

[0040] Specifically, the turntable 401 is rotatably connected to the surface of the fixed frame 1 through a bearing, the second rotating shaft 402 is fixedly connected to the side of the turntable 401, the second rotating shaft 402 is eccentrically set on the side of the turntable 401, the connecting rod 403 is rotatably connected to the surface of the second rotating shaft 402, the third rotating shaft 404 is rotatably connected to the other end of the connecting rod 403, the third rotating shaft 404 is fixedly connected to the lower surface of the mounting frame 202, the motor 405 is fixedly connected to the side of the fixed frame 1, and one end of the output shaft of the motor 405 is fixedly connected to the surface of the turntable 401.

[0041] By adopting the above technical solution, the motor 405 works to drive the turntable 401 to rotate, and under the action of the second rotating shaft 402, the turntable 401 drives one end of the connecting rod 403 to perform a circular motion, so that the third rotating shaft 404 drives the mounting frame 202 to swing through the first rotating shaft 201, thereby mixing the sample in the test tube.

[0042] Specifically, handles 5 are fixedly connected to both sides of the fixing frame 1 .

[0043] By adopting the above technical solution and providing the handle 5 , it is convenient to take the fixing frame 1 .

[0044] Specifically, a plurality of silicone pads 6 are disposed on the inner wall of the test tube rack 204 , and a plurality of legs 7 are fixedly connected to the lower surface of the fixing frame 1 .

[0045] By adopting the above technical solution and providing the silicone pad 6 , the test tube can be prevented from shaking on the surface of the test tube rack 204 .

[0046] The working principle of the utility model is as follows: when in use, the test tube rack 204 with the test tube is placed on the surface of the mounting frame 202, and the test tube rack 204 is positioned under the action of the positioning pin 203 and the positioning hole 205, so that the spring 303 pushes the limit block 304 to slide on the surface of the square slide rod 302, so that the limit block 304 overlaps the surface of the test tube rack 204, and the test tube rack 204 is limited, and then the motor 405 is operated to drive the turntable 401 to rotate, and under the action of the second rotating shaft 402, the turntable 401 drives one end of the connecting rod 403 to perform a circular motion, so that the third rotating shaft 404 drives the mounting frame 202 to swing through the first rotating shaft 201, and the sample in the test tube is mixed. After the mixing work is completed, the dial plate 306 is toggled to drive the limit block 304 to separate from the surface of the test tube rack 204, and the limit on it is released, so that the test tube rack 204 and a large number of test tubes can be taken out from the surface of the mounting frame 202.

[0047] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A mixing device for nucleic acid extraction, comprising a fixing frame (1), characterized in that: The inner wall of the fixing frame (1) is provided with a mounting assembly (2), the mounting assembly (2) comprising two first rotating shafts (201), a mounting frame (202), a plurality of positioning pins (203), a test tube rack (204) and a plurality of positioning holes (205); the upper surface of the mounting frame (202) is fixedly connected with a limiting assembly (3), the limiting assembly (3) comprising a housing (301), a square sliding rod (302), a spring (303), a limiting block (304), a through slot (305) and a dial plate (306); the surface of the fixing frame (1) is provided with a swing assembly (4), the swing assembly (4) comprising a rotating disk (401), a second rotating shaft (402), a connecting rod (403), The third rotating shaft (404) and the motor (405), the rotating disk (401) is rotatably connected to the surface of the fixed frame (1) through a bearing, the second rotating shaft (402) is fixedly connected to the side of the rotating disk (401), the second rotating shaft (402) is eccentrically arranged on the side of the rotating disk (401), the connecting rod (403) is rotatably connected to the surface of the second rotating shaft (402), the third rotating shaft (404) is rotatably connected to the other end of the connecting rod (403), the third rotating shaft (404) is fixedly connected to the lower surface of the mounting frame (202), the motor (405) is fixedly connected to the side of the fixed frame (1), and one end of the output shaft of the motor (405) is fixedly connected to the surface of the rotating disk (401).

2. A mixing device for nucleic acid extraction according to claim 1, characterized in that: The two first rotating shafts (201) are rotatably connected to the inner wall of the fixing frame (1) via bearings; the mounting frame (202) is fixedly connected to the other ends of the two first rotating shafts (201); the plurality of positioning pins (203) are fixedly connected to the upper surface of the mounting frame (202); the test tube rack (204) is overlapped on the surface of the mounting frame (202); and the plurality of positioning holes (205) are provided on the lower surface of the test tube rack (204).

3. A mixing device for nucleic acid extraction according to claim 1, characterized in that: The shell (301) is fixedly connected to the upper surface of the mounting frame (202), the square sliding bar (302) is fixedly connected to the inner wall side of the shell (301), the spring (303) is sleeved on the surface of the square sliding bar (302), the limit block (304) is slidably connected to the surface of the square sliding bar (302), the through groove (305) is opened on the upper surface of the shell (301), and the dial plate (306) is fixedly connected to the upper surface of the limit block (304).

4. A mixing device for nucleic acid extraction according to claim 1, characterized in that: Handles (5) are fixedly connected to both sides of the fixing frame (1).

5. A mixing device for nucleic acid extraction according to claim 1, characterized in that: The inner wall of the test tube rack (204) is provided with a plurality of silica gel pads (6).

6. A mixing device for nucleic acid extraction according to claim 1, characterized in that: A plurality of supporting legs (7) are fixedly connected to the lower surface of the fixing frame (1).

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