Ultrasonic DNA breaking instrument

Abstract

The utility model discloses an ultrasonic DNA breaking instrument which comprises a shell, a telescopic arm is fixedly connected in the shell, an amplitude-change pole is arranged at the top end of the telescopic arm, a control screen is arranged at the top of the shell, a sliding rail is further arranged in the shell in the vertical direction, the sliding rail is connected with a moving rod, the sliding rail and the moving rod are symmetrically arranged, and a rotating shaft is arranged at the bottom of the shell. The ultrasonic DNA breaking instrument is low in manufacturing cost, efficient, accurate, easy and convenient to operate, high in compatibility and capable of being suitable for different containers such as test tubes and beakers, the amplitude-change pole can be adjusted according to the sample capacity, and the tedious operation of manual replacement is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of biological sample processing, and more particularly to an ultrasonic DNA fragmentation instrument. Background Art

[0002] An ultrasonic DNA fragmentation instrument is a versatile and multi-purpose instrument that uses strong ultrasound to induce cavitation in liquids, allowing for ultrasonic treatment of substances. It is widely used in fields such as biochemistry, microbiology, medicinal chemistry, surface chemistry, physics, and zoology. Existing ultrasonic DNA fragmentation instruments require manual replacement of the horn and placement platform based on sample volume and container type, making operation cumbersome.

[0003] Therefore, how to provide an ultrasonic DNA fragmentation instrument that can be used with different sample containers and capacities is an urgent problem to be solved by those skilled in the art. Utility Model Content

[0004] In view of this, the utility model provides an ultrasonic DNA fragmentation instrument, which can automatically adjust the amplitude rod and the placement table according to different containers and capacities of samples.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an ultrasonic DNA fragmentation instrument, comprising: a housing, a telescopic arm fixedly connected to the interior of the housing, a horn mounted on the top of the telescopic arm, a control screen provided on the top of the housing, a slide rail vertically provided inside the housing, the slide rail connected to a moving rod, the slide rail and the moving rod being symmetrically arranged, and a rotating shaft provided on the bottom of the housing.

[0006] Preferably, an operating table is placed on the rotating shaft, and test tube placement holes of different sizes are arranged on the operating table around the center of the circle.

[0007] Preferably, the telescopic arms may be provided in plurality, and the top end of each telescopic arm may be equipped with a different type of amplitude rod.

[0008] Preferably, a fixing block is provided on the telescopic arm for fixedly connecting the spherical shaft and the housing.

[0009] Preferably, the spherical shaft is connected to the first movable rod, the other end of the first movable rod is connected to the second movable rod, and the top end of the second movable rod is equipped with a variable amplitude rod.

[0010] It can be seen from the above technical solution that compared with the prior art, the present invention discloses an ultrasonic DNA fragmentation instrument. By setting multiple telescopic arms, the present invention can be equipped with different amplitude rods according to different powers to be suitable for samples of different calibers and different capacities. The liftable workbench facilitates the adjustment of the sample height and the removal of the sample, and also realizes the placement of different containers. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are merely embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0012] Figure 1 The accompanying drawing is a schematic structural diagram of the present utility model.

[0013] Figure 2 The accompanying drawing is a schematic diagram of the telescopic arm structure of the present utility model.

[0014] In the figure: 1. Shell; 2. Control panel; 3. Telescopic arm; 4. Operating table; 5. Rotating axis; 6. Slide rail; 7. Moving rod; 8. Angular contact rod; 301. Fixed block; 302. Spherical shaft; 303. First movable rod; 304. Second movable rod. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0016] See also Figure 1-2 , the utility model provides a technical solution:

[0017] An ultrasonic DNA fragmentation instrument comprises: a housing 1, with a visual window on the front of the housing 1, preferably made of glass, allowing the user to observe the sample status at all times. The housing 1 is fixedly connected to a telescopic arm 3, with a horn 8 installed at the top of the telescopic arm 3. The telescopic arm 3 can be provided with multiple, preferably five, telescopic arms 3, and each telescopic arm 3 can be equipped with a different type of horn 8 at the top, preferably made of titanium alloy. Different types of horn 8 can correspond to different frequencies and capacities. The horn 8 No. 2 can correspond to a frequency of 20-25kHz and a capacity of 0.5-5ml, the horn 8 No. 6 can correspond to a frequency of 20-25kHz and a capacity of 10-100ml, the horn 8 No. 12 can correspond to a frequency of 20-25kHz and a capacity of 100-200ml, the horn 8 No. 15 can correspond to a frequency of 20-25kHz and a capacity of 200-500ml, and the horn 8 No. 25 can correspond to a frequency of 19.5-20.5kHz and a capacity of 500-1200ml. The user can also replace other horn rods 8 according to his / her own usage.

[0018] Furthermore, the telescopic arm 3 is provided with a fixing block 301 for securing the spherical shaft 302 to the housing 1. The spherical shaft 302 is connected to a first movable rod 303, the other end of which is connected to a second movable rod 304. The top end of the second movable rod 304 is equipped with a variable amplitude rod 8. The design of multiple movable rods and spherical shafts allows the variable amplitude rod 8 to reach multiple positions, thereby improving sample processing.

[0019] Furthermore, a control screen 2 is provided on the top of the shell 1. The control screen 2 can control the telescopic direction and depth of the telescopic arm 3, control the lifting and lowering of the moving rod 7, control the rotation of the rotating shaft 5, etc., and can also record various experimental data.

[0020] Furthermore, a slide rail 6 is provided in the vertical direction inside the shell 1, and the slide rail 6 is connected to the moving rod 7. The slide rail 6 and the moving rod 7 are symmetrically arranged. When the control panel 2 starts the command, the moving rod 7 moves to the corresponding position along the slide rail 6 to raise the operating table 4.

[0021] Furthermore, a rotating shaft 5 is provided at the bottom of the shell 1 , and the rotating shaft 5 can be linked with the operating table 4 to rotate so that the test tube placement hole set on the operating table 4 is aligned with the upper horn 8.

[0022] Furthermore, an operating table 4 is placed on the rotating shaft 5. The operating table 4 is provided with test tube placement holes of different sizes around the center of the circle, which can be used to place various types of pointed bottom containers, such as test tubes, centrifuge bottles, etc. There is also a platform in the middle of the operating table 4, which can be used to place flat-bottom containers, such as beakers, glass bottles, etc.

[0023] To use the ultrasonic DNA fragmentation instrument, turn on the power and activate it. Place the pre-processed sample on the operating table 4. Set the start position of the telescopic arm 3 and the sample placement position on the control panel 2. Insert the end of the horn 8 of the telescopic arm 3 into the liquid surface at a depth of 10-15 mm, with the end greater than 30 mm from the bottom of the container. Set the frequency and pause time, and the instrument will enter the oscillation state. The control panel 2 will display the operating time, pause time, and number of operations. After the sample is processed, turn off the oscillation state, lower the operating table 4, and remove the processed sample. Multiple samples can also be processed simultaneously or different horns 8 can be used to process the same sample. During the ultrasonic treatment, if you need to pause, press the start / pause button again. To repeat the test, press the reset button and repeat the above steps.

[0024] The utility model is provided with multiple telescopic arms, and different amplitude rods can be equipped according to different powers to be suitable for samples of different calibers and different capacities. The liftable workbench is convenient for adjusting the height of the samples and taking out the samples, and also realizes the placement of different containers.

[0025] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An ultrasonic DNA fragmentation instrument, characterized in that: include: A housing (1) is provided, wherein a telescopic arm (3) is fixedly connected to the interior of the housing (1), a variable amplitude rod (8) is installed at the top of the telescopic arm (3), a control panel (2) is provided at the top of the housing (1), a slide rail (6) is also provided in the vertical direction inside the housing (1), the slide rail (6) is connected to the moving rod (7), the slide rail (6) and the moving rod (7) are symmetrically arranged, and a rotating shaft (5) is provided at the bottom of the housing (1).

2. The ultrasonic DNA fragmentation instrument according to claim 1, characterized in that: An operating table (4) is placed on the rotating shaft (5), and test tube placement holes of different sizes are arranged on the operating table (4) around the center of the circle.

3. The ultrasonic DNA fragmentation instrument according to claim 1, characterized in that: The telescopic arms (3) may be provided in plurality, and the top end of each telescopic arm (3) may be equipped with a horn (8) of a different type.

4. The ultrasonic DNA fragmentation instrument according to claim 3, characterized in that: The telescopic arm (3) is provided with a fixing block (301) for fixing the spherical shaft (302) to the housing (1).

5. The ultrasonic DNA fragmentation instrument according to claim 4, characterized in that: The spherical shaft (302) is connected to a first movable rod (303), the other end of the first movable rod (303) is connected to a second movable rod (304), and a horn (8) is installed at the top end of the second movable rod (304).

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