Combined sealed test tube cover and sealed test tube

A combined sealing and test tube cover technology, which can be used in bioreactor/fermenter combinations, biochemical instruments, biochemical equipment and methods, etc., can solve problems such as poor test tube sealing

Pending Publication Date: 2020-10-23
北京奥博星生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a combined sealed test tube cover and a sealed test tube, which solves the probl...

Method used

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  • Combined sealed test tube cover and sealed test tube
  • Combined sealed test tube cover and sealed test tube
  • Combined sealed test tube cover and sealed test tube

Examples

Experimental program
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Effect test

Embodiment Construction

[0028] Such as figure 1 and figure 2 As shown, the sealed test tube includes a tube body 1 and a test tube cover 2, and the test tube cover 2 is installed at the opening of the tube body 1 to seal the tube body 1.

[0029] Such as image 3 As shown, the pipe body 1 is cylindrical as a whole, the upper end of the pipe body 1 is provided with an external thread 11, and the lower end is provided with a semicircular pipe bottom 12, and the lowest point of the semicircular pipe bottom 12 is higher than the pipe body 1. bottom edge of the .

[0030] The test tube cover 2 includes a lower cover 21, an upper cover 22 and a sealing member 3, the upper cover 22 can be fastened above the lower cover 21, the sealing member 3 is fixedly installed inside the lower cover 21, and cooperates with the upper cover 22 to realize sealing . The lower cover 21 , the upper cover 22 and the sealing member 3 are arranged coaxially, and the lower cover 21 , the upper cover 22 and the sealing member...

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PUM

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Abstract

The invention provides a combined sealed test tube cover. The combined sealed test tube cover comprises an upper cover, a lower cover and a sealing part, wherein the upper cover can be buckled above the lower cover; the lower cover is provided with internal threads matched with external threads at the opening of a test tube body; the lower cover is fixedly installed on the tube body through threads; the lower cover, the upper cover and the sealing part are coaxially arranged; the sealing part is fixedly installed on the inner side of the lower cover; the lower end of the sealing part is in interference fit with the inner side of the tube body; and the upper end of the sealing part is in interference fit with an annular protrusion at the middle part of the upper cover. In the using processof the combined sealed test tube cover and the sealed test tube, single-hand operation is achieved, and force application is easy and convenient; and through the arrangement of the sealing part, the lower cover and the tube body as well as the upper cover and the lower cover are fully sealed, the possibility of air leakage and liquid leakage is eradicated, and therefore, the accuracy and precisionof an experiment can be fully guaranteed.

Description

technical field [0001] The invention relates to a detection device, in particular to a combined sealed test tube cover and sealed test tube. Background technique [0002] In the process of microbial cultivation, test tubes are needed. Due to the requirements for aseptic operation, test tube covers are required to isolate the external environment. In the microbiological testing of medicine, food, and pharmaceuticals, test tubes containing samples to be tested are usually also used. Test tube caps are required to avoid spilling of samples or cross-contamination between samples during transportation. However, in terms of airtightness of the existing test tubes, the test tube cover cannot achieve sufficient sealing conditions, and liquid leakage is prone to occur, which affects the test results. [0003] In addition, some of them produce gas, such as the detection of coliform bacteria. In order to observe the gas production during these cultures, it is necessary to use containe...

Claims

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Application Information

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IPC IPC(8): C12M1/24C12M1/00
CPCC12M23/08C12M23/38C12M23/48C12M37/04
Inventor 白刚白禄郭福全葛秋惠
Owner 北京奥博星生物科技有限公司
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