Biosafety cabinet
A technology for biological safety cabinets and cabinets, which is applied in the field of laboratory equipment, and can solve problems affecting laboratory air pressure, affecting the use of biological safety cabinets, and biological safety cabinets without centrifugal functions.
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Embodiment
[0025] see Figure 1-3 , a biological safety cabinet, comprising a box 1 and a bracket 2, the box 1 is connected to the bracket 2, the box 1 is provided with an air inlet duct 3 and an exhaust duct 4, and the junction of the air inlet duct 3 and the box 1 A suction fan 5 is provided, and shut-off valves 6 are respectively arranged on the air inlet pipe 3 and the air exhaust pipe 4, and the air inlet end and the air outlet end of the air inlet pipe 3 extend to the outside respectively, and the box body 1 is provided with A working chamber 7, a centrifugal assembly is arranged in the working chamber 7, the centrifugal assembly includes a base 8, a receiving plate 9 and a centrifuge 10, the lower end surface of the base 8 is installed on the lower end surface of the working chamber 7 , the upper end surface of the base 8 extends downwards with a receiving groove 11, the receiving plate 9 is movably installed in the receiving groove 11, the centrifuge 10 is installed on the upper ...
Embodiment 2
[0036]The biological safety cabinet of the present invention has the functions of supplementing air and exhausting air, and the outdoor wind can be well extracted to the inside of the biological safety cabinet through the suction fan 5 and the air inlet duct 3, and the inside of the biological safety cabinet is preferably provided with a filter , to filter the wind entering the interior of the biological safety cabinet. Similarly, a filter is also installed at the exhaust position to filter the gas generated during the experiment to prevent it from polluting the environment. At the same time, the staff is using the biological safety cabinet At the same time, if the legs are tired, the legs can be lapped on the massage roller 13, and the legs can be moved back and forth, so that the legs can fully contact with the massage ball 15, so as to play the role of massage, so that the staff can be relieved. For the fatigue of the legs, at the same time, the feet can also be stepped on t...
Embodiment 3
[0038] On the basis of Example 2, the staff can place the viral nucleic acid test tube in the centrifuge 10, and the viral nucleic acid is centrifugally set by the centrifuge 10, so that the viral nucleic acid can be better studied. The centrifuge 10 is in use. The vibration generated in the process presses the buffer spring 12 downward, so that the vibration can be better buffered, and the slider 21 moves up and down along the chute 20. In addition, the whole device can be moved to other positions well by the roller 26 , after moving to a suitable position, rotate the handle 28 until the stable block 29 is in contact with the ground and extruded.
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