CN221452630U - Low-volatility test tube - Google Patents
Low-volatility test tube Download PDFInfo
- Publication number
- CN221452630U CN221452630U CN202322842006.0U CN202322842006U CN221452630U CN 221452630 U CN221452630 U CN 221452630U CN 202322842006 U CN202322842006 U CN 202322842006U CN 221452630 U CN221452630 U CN 221452630U
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- CN
- China
- Prior art keywords
- test tube
- sealing
- sealing block
- annular
- block
- Prior art date
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Links
- 238000012360 testing method Methods 0.000 title claims abstract description 52
- 238000007789 sealing Methods 0.000 claims abstract description 51
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract description 19
- 238000005070 sampling Methods 0.000 description 23
- 239000003153 chemical reaction reagent Substances 0.000 description 18
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Closures For Containers (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The utility model discloses a low-volatility test tube which is characterized by comprising a test tube body and a test tube cover, wherein the test tube cover comprises a cover body, a sealing block is arranged in the cover body, a through hole is formed in the sealing block, a blocking structure is arranged on the sealing block, the blocking structure comprises a connecting strip arranged on the surface of the sealing block, and a blocking block is arranged on the connecting strip.
Description
Technical Field
The utility model relates to the field of test tubes, in particular to a low-volatility test tube.
Background
Along with the development of biological detection technology, the preservation requirement on detection reagents is becoming stricter, and further, the sealing requirement on reagent tubes is becoming higher and higher. At present, the sealing of the reagent tube is generally realized by using a screw cap and a tube body or by directly plugging the cap body and the tube orifice in an interference fit manner. As shown in fig. 1, in the detection process, it may be necessary to suck the detection reagent in the reagent tube multiple times, and cover the bottle cap after each sampling, which brings great inconvenience to the operation, and if the tube opening is completely exposed to the environment, the volatilization of the reagent in the tube may be caused, and the risk of contamination of the reagent may be also brought.
Disclosure of utility model
The utility model aims to solve the technical problems and provide a low-volatility test tube which can be sampled for a plurality of times under the condition of ensuring the tightness of the test tube and has low reagent volatility in the test tube during sampling.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
In order to enable test tube multiple sampling and in-tube volatility low, a low volatility test tube includes test tube body and test tube cover, the test tube cover includes the lid, be equipped with the sealing block in the lid, a through-hole has been seted up on the sealing block, be equipped with the jam structure on the sealing block, the jam structure is including setting up the connecting strip at the sealing block surface, be equipped with the jam piece on the connecting strip.
In order to improve the tightness of the outside of the test tube, a further preferable technical scheme is that the cover body is connected with the test tube body through threads.
In order to improve the tightness of the tube mouth of the test tube, a further preferable technical scheme is that an annular flange is arranged below the sealing block, an annular sealing body is arranged below the annular flange, the annular flange is contacted with the tube mouth of the test tube body, and the annular sealing body is tightly attached to the inner wall of the tube mouth of the test tube.
In order to prevent the first sealing gasket from being deformed and loosened due to repeated sampling, a further preferable technical scheme is that an annular pressing ring is arranged on the cover body, and the pressing ring is arranged on the sealing block.
In order to improve the tightness of the reagent tube when not sampling and prevent the reagent tube from volatilizing or being polluted from the through hole, a further preferable technical scheme is that an annular groove is arranged in the through hole, and an elastomer matched with the annular groove is arranged on the blocking block.
The further preferable technical scheme is that a sealing plate is arranged at the joint of the blocking block and the connecting strip.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the sealing block is arranged on the cover body, the through hole is formed in the sealing block and is blocked by the blocking block, when sampling is needed, the blocking block is pulled out by pulling the connecting strip, sampling is needed, and the blocking block is plugged in when sampling is not needed, so that the large-area contact of the reagent and the air when the whole reagent tube cover is required to be opened in the sampling process is avoided, the pollution volatilization of the reagent is caused, the tightness of the test tube during sampling is ensured, and the blocking block is plugged in the through hole after sampling, so that the operation is convenient.
Drawings
FIG. 1 is a prior art tube seal configuration;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is an enlarged view of FIG. 2 at A;
In the figure: 1. a test tube body; 2. a cover body; 3. a sealing block; 4. a connecting strip; 5. an annular flange; 6. an annular seal body; 7. a compression ring; 8. a through hole; 9. an annular groove; 10. a blocking block; 11. an elastomer; 12. a sealing plate; 13. and (3) a sealing film.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
As shown in fig. 2-3, a low-volatility test tube comprises a test tube body 1 and a test tube cover, wherein the test tube cover comprises a cover body 2, a sealing block 3 is arranged in the cover body 2, a through hole 8 is formed in the sealing block 3 and used for allowing a sampling needle to be inserted, a sealing film 13 can be arranged at the bottom of the specific through hole 8 and can be pierced by the sampling needle, a test tube port can be completely sealed before sampling, a blocking structure is arranged on the sealing block 3 and comprises a connecting strip 4 arranged on the surface of the sealing block 3, the connecting strip 4 is elastic, and a blocking block 10 is arranged on the connecting strip 4. In order to improve the sealing performance of the outside of the test tube, a further preferable technical scheme is that the cover body 2 is in threaded connection with the test tube body 1, and compared with the sealing performance of the threaded connection of the test tube cover and the outside of the test tube body, the sealing performance of the threaded connection of the test tube cover and the outside of the test tube body is better.
Specifically, in order to improve the tightness of the tube mouth of the test tube, a further preferred technical scheme is that an annular flange 5 is arranged below the sealing block 3, an annular sealing body 6 is arranged below the annular flange 5, the annular flange 5 touches the tube mouth of the test tube body 1, and the annular sealing body 6 is tightly attached to the inner wall of the tube mouth of the test tube. In order to prevent to lead to the deformation of first sealed pad not hard up because of multiple sampling, further preferred technical scheme has, is equipped with annular clamp ring 7 on the lid 2, and clamp ring 7 locates on the sealing block 3, when needs are to sample multiple sample testing, because the destruction to sealing block 3 is great, utilizes clamp ring 7 to compress tightly the shutoff to sealing block 3, has guaranteed the leakproofness of top test tube after multiple sampling. In order to improve the tightness of the reagent tube when not sampling, prevent the reagent tube from volatilizing or being polluted from the through hole, a further preferred technical scheme is that an annular groove 9 is arranged in the through hole 8, an elastic body 11 matched with the annular groove 9 is arranged on a blocking block 10, the elastic body 11, the annular sealing body 6 and the sealing block are elastic sealing bodies, the materials are the same, the same elastic body 11 can enable the blocking block 10 to be pulled out and plugged in again, and meanwhile, the tightness of the through hole when being plugged is improved. The further preferable technical scheme is that a sealing plate 12 is arranged at the joint of the blocking block 11 and the connecting strip 4, the area of the sealing plate 12 is slightly larger than that of the through hole 8, and the through hole is sealed finally.
According to the utility model, the sealing block is arranged on the cover body, the through hole is formed in the sealing block and is blocked by the blocking block, when sampling is needed, the blocking block is pulled out by pulling the connecting strip, sampling is needed, and the blocking block is plugged in when sampling is not needed, so that the large-area contact of the reagent and the air when the whole reagent tube cover is required to be opened in the sampling process is avoided, the pollution volatilization of the reagent is caused, the tightness of the test tube during sampling is ensured, and the blocking block is plugged in the through hole after sampling, so that the operation is convenient.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a low volatile test tube, its characterized in that, includes test tube body and test tube lid, the test tube lid includes the lid, be equipped with the sealing block in the lid, a through-hole has been seted up on the sealing block, be equipped with the jam structure on the sealing block, the jam structure is including setting up the connecting strip on sealing block surface, be equipped with the jam piece on the connecting strip.
2. A low volatility test tube of claim 1 wherein the cap is threadably connected to the tube body.
3. The low volatility test tube of claim 1, wherein an annular flange is disposed under the sealing block, an annular sealing body is disposed under the annular flange, the annular flange contacts the test tube port of the test tube body, and the annular sealing body is closely attached to the inner wall of the test tube port.
4. The low volatility test tube of claim 1, wherein the cap body is provided with an annular compression ring, and the compression ring is disposed on the sealing block.
5. The low volatility test tube of claim 1, wherein an annular groove is disposed in the through hole, and an elastomer is disposed on the stopper and adapted to the annular groove.
6. A low volatility test tube of claim 1 wherein the junction of the block and the connecting strip is provided with a sealing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322842006.0U CN221452630U (en) | 2023-10-23 | 2023-10-23 | Low-volatility test tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322842006.0U CN221452630U (en) | 2023-10-23 | 2023-10-23 | Low-volatility test tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221452630U true CN221452630U (en) | 2024-08-02 |
Family
ID=92341957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322842006.0U Active CN221452630U (en) | 2023-10-23 | 2023-10-23 | Low-volatility test tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221452630U (en) |
-
2023
- 2023-10-23 CN CN202322842006.0U patent/CN221452630U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |