Cover opening and closing device and nucleic acid extractor
A technology for opening and closing cover device and mounting frame, which is applied in biochemical cleaning devices, enzymology/microbiology devices, biochemical instruments, etc., and can solve problems such as inability to open or close the cover.
Pending Publication Date: 2022-05-27
SANSURE BIOTECH
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Problems solved by technology
[0004] Based on this, it is necessary to address the problem that the cap opening and closing device in the current technology cannot simultaneously open or close at least two sample tubes, and provide a cap opening and closing device and a nucleic acid extractor that improve the above defects
Method used
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[0035] In order to make the above objects, features and advantages of the present invention more clearly understood, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.
[0036] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Back, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Countercl...
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The invention relates to a cover opening and closing device and a nucleic acid extractor. The cover opening and closing device comprises a mounting frame; the clamping mechanism comprises a base, a floating seat, a plurality of elastic pieces and a clamping assembly, the base is arranged on the mounting frame, the floating seat is movably connected to the base, and each elastic piece is connected between the floating seat and the base in an abutting mode; the clamping assembly is arranged on the floating seat and is provided with at least two clamping positions for clamping a sample tube; and the at least two rotary uncovering mechanisms are arranged on the mounting frame and are arranged in one-to-one correspondence with the at least two clamping positions along the first direction, and each rotary uncovering mechanism is used for clamping a tube cover of the sample tube at the corresponding clamping position and rotating. Therefore, when the screw pitches of the sample tubes in the clamping positions are different, the elastic pieces corresponding to the different clamping positions generate different deformation quantities in the rotary cover opening or closing process so as to adapt to the movement amount between each sample tube and the tube cover, and finally simultaneous cover opening or closing of each sample tube is achieved.
Description
technical field [0001] The present invention relates to the technical field of biological detection equipment, in particular to a device for opening and closing a cover and a nucleic acid extractor. Background technique [0002] The automatic nucleic acid extraction instrument is used to extract nucleic acid from the sample to be tested, which generally includes steps such as opening the lid, pipetting, closing the lid, and extracting. When opening and closing the cap of the sample tube, two clamping mechanisms need to be used to clamp and fix the sample tube and the cap respectively. Since the sample tube and the tube cap are connected by a screw thread, when the clamping mechanism for clamping the tube cap rotates to open the cap, it needs to move along the length direction of the sample tube, so that the tube cap is separated from the sample tube. [0003] However, for different sample tubes, the thread pitches between the caps and the caps may be different, which makes ...
Claims
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Login to View More IPC IPC(8): C12M1/00C12M1/24C12M1/34B67B7/14
CPCC12N15/1003B67B7/14
Inventor 侯海文符诚解亚平戴立忠
Owner SANSURE BIOTECH