A sliding connection type liquid extraction centrifuge tube
A technology of sliding connection and centrifuge tube, which is applied in the direction of sampling device and test sample preparation, etc. It can solve the problems that it is not easy to open, the height of the liquid sampling tube cannot be adjusted, and the upper cover is easy to fall off, etc. It achieves convenient installation and structural design. Clever, securely connected effect
Active Publication Date: 2020-06-09
JIANGSU KEHUA MEDICAL INSTR TECH CO LTD
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Problems solved by technology
Existing centrifuge tubes generally include an upper cover, a liquid collection tube, a mounting plate, and a liquid storage tank; the liquid storage tank is used to store liquid, and the upper cover is generally connected to the upper end of the liquid storage tank by threads, and the liquid collection tube passes through the mounting plate Installed in the liquid storage tank, after the liquid is stratified, it is collected through the liquid collection tube, but there is a problem with this structure, if the thread between the upper cover and the liquid storage tank is too tight, it will not be easy to open, and if it is too loose The upper cover is easy to fall off during centrifugal movement; in addition, the height of the liquid collection tube cannot be adjusted, and sometimes the liquid level of the liquid drops off the bottom of the liquid collection tube before the liquid collection tube collects enough, so it is necessary to A centrifuge tube capable of adjusting the height and position of the liquid collection tube
Method used
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[0023] The content of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0024] Such as figure 1 As shown, a sliding connection type centrifuge tube for liquid extraction includes a liquid storage tank 1, an upper cover body 6, a sliding mechanism, a liquid collection tube 4, a lifting mechanism 2, an installation block 3, and a telescopic bag 5. The upper cover body 6 is installed on the upper end of the liquid storage tank 1 . Such as figure 2 As shown, the liquid storage tank 1 has a U-shaped structure, and one side of the liquid storage tank 1 is provided with a mounting groove 11 , a limiting plate 13 is provided above the mounting groove 11 , and an isolation ring 12 is provided inside the mounting groove 11 . Such as Figures 1 to 3 As shown, the lifting mechanism 2 includes a support screw 21, a moving block 22, a drive plate 23, and a connecting ring 24. The outside of the support screw 21 is provided w...
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The invention discloses a sliding connection liquid extraction centrifugal tube which comprises a liquid storage tank, an upper cover, a sliding mechanism, a liquid sampling tube, a lifting mechanism,a mounting block and an expansion bag. A sliding cavity is formed in the upper cover and penetrates the left end and the right end of the upper cover, the sliding mechanism comprises two sliding rodsand one elastic push part, the elastic push part is mounted in the middle of the inside of the sliding cavity, the two sliding rods are mounted on two sides of the elastic push part in a contacting manner, inserting and connecting blocks are arranged at the ends of the outer sides of the sliding rods, limit grooves are formed in two sides of the inner wall of the upper end of the liquid storage tank, and the inserting and connecting blocks of the sliding rods can be inserted into the limit grooves of the liquid storage tank under the action of elastic pushing of the elastic push part. The upper cover is conveniently and stably connected with the liquid storage tank.
Description
technical field [0001] The invention relates to a sliding connection type liquid-taking centrifuge tube. Background technique [0002] At present, the centrifuge tube is a commonly used medical device, which is mainly used for the detection of some liquid samples. The liquid in the centrifuge tube will be divided into several layers after being centrifuged by the centrifuge. After the centrifugation is completed, the liquid in different layers needs to be taken out separately. Existing centrifuge tubes generally include an upper cover, a liquid collection tube, a mounting plate, and a liquid storage tank; the liquid storage tank is used to store liquid, and the upper cover is generally connected to the upper end of the liquid storage tank by threads, and the liquid collection tube passes through the mounting plate Installed in the liquid storage tank, after the liquid is stratified, it is collected through the liquid collection tube, but there is a problem with this structu...
Claims
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IPC IPC(8): G01N1/10G01N1/38
CPCG01N1/10G01N1/38
Inventor 马荣华刘春凤
Owner JIANGSU KEHUA MEDICAL INSTR TECH CO LTD