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Biochemical test tube

A test tube and biochemical technology, applied in chemical instruments and methods, laboratory utensils, laboratory containers, etc., can solve the problems of rising moisture content, complicated vacuum operation, etc., and achieve the effect of solving dampness, easy operation, and avoiding water absorption

Pending Publication Date: 2021-06-08
QUICKING BIOTECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a kind of biochemical test tube in view of the deficiencies in the prior art, to at least solve the problems in the related art that the vacuum operation is complicated and the moisture content rises after drying

Method used

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  • Biochemical test tube
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0107] An exemplary embodiment of the present invention, such as Figure 1~2 As shown, a biochemical test tube includes a tube body 10, a cover body 20 and a connecting body 30, the tube body 10 is connected to the cover body 20 through the connecting body 30, and the tube body 10, the cover body 20 and the connecting body 30 are integrally injection molded.

[0108] The tube body 10 includes a ventilation part 40 arranged on the inner wall of the nozzle of the tube body 10, which is used to exchange gas between the inside and outside of the tube body 10 through the ventilation part 40 when the tube body 10 is in a semi-closed state, such as vacuuming 1. Keep the inner and outer pressures of the pipe body 10 consistent.

[0109] In some of these embodiments, the ventilation part 40 is a plurality of ventilation grooves, and the ventilation grooves are distributed in an annular array on the inner wall of the nozzle of the pipe body 10. The inner diameter of each ventilation gro...

Embodiment 2

[0117] This embodiment is a modified embodiment of Embodiment 1, such as Figure 5-6 As shown, a biochemical test tube includes a tube body 10, a cover body 20 and a connecting body 30, the tube body 10 is connected to the cover body 20 through the connecting body 30, and the tube body 10, the cover body 20 and the connecting body 30 are integrally injection molded.

[0118] Wherein, the structure and connection relationship of the cover body 20 and the connecting body 30 are basically the same as those in Embodiment 1, and will not be repeated here.

[0119] The tube body 10 includes a ventilation part 40 arranged on the inner wall of the nozzle of the tube body 10, which is used to exchange gas between the inside and outside of the tube body 10 through the ventilation part 40 when the tube body 10 is in a semi-closed state, such as vacuuming 1. Keep the inner and outer pressures of the pipe body 10 consistent.

[0120] Wherein, the ventilation part 40 is an annular ventilat...

Embodiment 3

[0123] This embodiment is a modified embodiment of Embodiment 1, such as Figure 9-10 As shown, a biochemical test tube includes a tube body 10, a cover body 20 and a connecting body 30, the tube body 10 is connected to the cover body 20 through the connecting body 30, and the tube body 10, the cover body 20 and the connecting body 30 are integrally injection molded.

[0124] Wherein, the structure and connection relationship of the cover body 20 and the connecting body 30 are basically the same as those in Embodiment 1, and will not be repeated here.

[0125] The pipe body 10 includes a ventilation part 40 arranged on the inner wall of the nozzle of the pipe body 10 and a second sealing part 60 arranged on the inner wall of the nozzle of the pipe body 10 . Among them, the ventilation part 40 is used to exchange gas between the inside and outside of the tube body 10 through the ventilation part 40 when the tube body 10 is in a semi-closed state, such as vacuuming operation, ke...

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Abstract

A related biochemical test tube comprises a tube body and a cover body, and the tube body comprises a ventilation part arranged on the inner wall of a tube opening of the tube body; the cover body comprises a first sealing part arranged on the outer wall of the cover body; under the condition that the tube body is sealed by the cover body for the first time, the first sealing part is embedded with the ventilation part and is used for performing gas exchange between the inside of the tube body and the outside of the tube body; and under the condition that the tube body is sealed for the second time by the cover body, the first sealing part is in interference fit with the inner wall of the tube body below the ventilation part and is used for enabling the biochemical test tube to be in a sealed state. The biochemical test tube has the advantages that through the arrangement of the ventilation part and the first sealing component, the tube body can be switched between a semi-closed state and a full-closed state, gas exchange operation or solution preparation operation is carried out in the semi-closed state, operation is easy and convenient, two-stage closing is utilized, the problems of moisture regain and water absorption after drying can be solved, and the problem that impurities enter the tube body to pollute a sample is avoided.

Description

technical field [0001] The invention relates to the technical field of biochemical detection devices, in particular to a biochemical test tube. Background technique [0002] When preparing a sample solution or drying a sample, it is usually necessary to separate the cover of the biochemical test tube from the test tube, and then perform related operations. [0003] In the process of preparing the sample solution, since the test tube opening of the test tube is open, it is easy to cause impurities to enter the inside of the test tube and contaminate the sample. In addition, the existing biochemical test tubes are not convenient for operations such as vacuuming [0004] In the process of drying the sample, after the biochemical test tube is taken out of the instrument, the auxiliary element for ventilation needs to be removed, and then the cover is inserted or screwed into the test tube to complete the sealing. Since the removal and reconnection process will last for a certa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01L3/14
CPCB01L3/5082B01L3/50825
Inventor 王浩钱锐泽周中人
Owner QUICKING BIOTECH
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