CN202490626U - Valve type rubber plug and test tube - Google Patents
Valve type rubber plug and test tube Download PDFInfo
- Publication number
- CN202490626U CN202490626U CN2012200012984U CN201220001298U CN202490626U CN 202490626 U CN202490626 U CN 202490626U CN 2012200012984 U CN2012200012984 U CN 2012200012984U CN 201220001298 U CN201220001298 U CN 201220001298U CN 202490626 U CN202490626 U CN 202490626U
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- China
- Prior art keywords
- plug
- valve
- test tube
- layer
- valve layer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a valve type rubber plug and a test tube, wherein the test tube comprises a tube body with an opening in one end and a rubber plug arranged on the opening for sealing the test tube, the rubber plug is tubular plug neck with openings in two ends, the opening of one end of the plug neck extends outwards to form a plug top, the plug top and the plug neck are of an integrate structure, a first valve layer is posted on the plug top, and the first valve layer completely covers the opening of the plug top; or a first valve layer is arranged on the inner wall of the plug neck, and the first valve layer encloses the plug neck, and the plug neck of the valve type rubber plug is matched with the tube body. The valve type rubber plug has advantages of simple operation, capability of effectively preventing outside air from entering the test tube and polluting a reagent in the test tube, and high practical applicability.
Description
Technical field
The utility model relates to a kind of plug, relates in particular to a kind of valve formula plug and test tube.
Background technology
Collection of specimens test tube of the prior art uses plug or stopper that the test tube mouth is clogged in order to guarantee the cleannes of sample in vitro in order to guarantee the cleannes of its inner ccontaining sample usually.Use plug or stopper that the test tube mouth is clogged, after though invisible spectro ccontaining sample is in the airtight space,, adding, getting material, put back to the test tube plug again or do not put from vitro adding, when getting material, need taking off the test tube plug.Need add, when getting, put back to the test tube plug as sample in enormous quantities, troublesome poeration, workload are big; Not putting back to the test tube plug then should not preserve sample, is prone to cause biology or other pollutions the long period.
The utility model content
The technical problem that the utility model mainly solves is that test tube of the prior art plug commonly used or stopper clog the test tube mouth; Need remove plug or stopper during operation; Cause troublesome poeration and extraneous air is got into and pollute invisible spectro sample, proposed a kind of valve formula plug and test tube for this reason.
For solving the problems of the technologies described above; The technical scheme that this new utility model adopts is: a kind of valve formula plug is provided; The tubular plug neck that comprises both ends open, from the plug top that said plug neck one end opening outwards extends, said plug top is structure as a whole with the plug neck; Said plug posts the first valve layer on the top, and the said first valve layer covers the opening on said plug top fully; Or said plug neck inwall is provided with the first valve layer, and the said first valve layer seals said plug neck.
Wherein, another opening part of said plug neck is provided with the second valve layer that covers said opening, forms airtight cavity between said first valve layer and the said second valve layer.
Wherein, the said first valve layer and the second valve layer include a slice valve at least.
Wherein, the valve quantity of the said first valve layer and the second valve layer is 4～8.
For solving the problems of the technologies described above; Another technical scheme that this new utility model adopts is: a kind of test tube is provided, comprises the tubular body of an end opening and be installed on the plug of said opening part with airtight test tube, said plug comprises the tubular plug neck of both ends open; From the plug top that said plug neck one end opening outwards extends; Said plug top is structure as a whole with the plug neck, and said plug posts the first valve layer on the top, and the said first valve layer covers the opening on said plug top fully; Or said plug neck inwall is provided with the first valve layer, and the said first valve layer seals said plug neck, and the plug neck and the said tubular body of said valve formula plug are adaptive.
Wherein, another opening part of said plug neck is provided with the second valve layer that covers said opening, and said second valve layer and said plug stressed joint form airtight cavity between said first valve layer and the said second valve layer.
Wherein, the said first valve layer and the second valve layer include a slice valve at least.
Wherein, the valve quantity of the said first valve layer and the second valve layer is 4～8.
Wherein, the position of wide mouth of said test tube also is provided with the test tube enclosing cover that is complementary with said wide-mouth, and said test tube enclosing cover comprises plastic layer and rubber layer, said rubber layer and plastic layer stressed joint.
Wherein, said test tube enclosing cover inside also is provided with the opening of longitudinal section for " protruding " type.
The beneficial effect of the utility model is: be different from test tube of the prior art plug commonly used or stopper and clog the test tube mouth, need remove plug or stopper during operation, cause troublesome poeration and extraneous air is got into and pollute invisible spectro sample; Novel a kind of valve formula plug of this credit and test tube; Through the valve layer is set on plug, during sampling, sample needle punctures the valve layer from sampling in vitro; Can prevent effectively that like this extraneous air from getting into test tube; Pollute invisible spectro sample, and simple to operate, and practicality is relatively good.In addition, the utility model also has the following advantages:
The plug of need not choosing when 1, in test tube, adding reagent (like anti-coagulants), handled easily is saved manpower;
2, can directly be used for automatic analyzer, not damage sample needle, can clean sample needle to a certain extent when sample needle and valve friction, prevent cross pollution;
3, can guarantee to a considerable extent that in vitro tolerant (like serum etc.) is difficult for leaking, and improves biological safety;
4, can reduce aerocolloidal generation when centrifugal for common blood sampling test tube (antivacuum), improve biological safety;
5, when preserving sample, the test tube mouth of relative closure can prevent the liquid evaporation, prolongation sample holding time, assurance sample replication result's stability.
Description of drawings
Fig. 1 is the structural representation of the utility model valve formula plug;
Fig. 2 is the structural representation of the utility model test tube;
Fig. 3 is the structural representation of the utility model one embodiment.
Wherein,
The 1-plug, 10-fills in the top, and 11-fills in neck, the 21-first valve layer, the 22-second valve layer, 3-test tube, 31-test tube enclosing cover.
The specific embodiment
By the technology contents, the structural feature that specify the utility model, realized purpose and effect, know clearly below in conjunction with embodiment and conjunction with figs. and give explanation.
See also Fig. 1; The utility model provides a kind of valve formula plug; The tubular plug neck 11 that comprises both ends open, from the plug top 10 that said plug neck 11 1 end openings outwards extend, said plug top 2 is structure as a whole with plug neck 11; Post the first valve layer 21 on the said plug top 10, and the said first valve layer 21 covers the opening on said plug top 10 fully;
Or said plug neck 11 inwalls are provided with the first valve layer 21, and the said plug neck 11 of the said first valve layer, 21 sealing;
Said plug neck 11 another opening parts are provided with the second valve layer 22 that covers said opening; Form airtight cavity between said first valve layer 21 and the said second valve layer 22; In the said airtight cavity the 3rd valve layer can also be set, the 3rd that valve layer of setting is parallel with the second valve layer 22 with the first valve layer 21 respectively.The said first valve layer 21 and the second valve layer 22 comprise a slice valve at least; The thickness of considering valve is extremely thin; In a preferred scheme; It is 4～8 valve sheet that the valve layer generally includes quantity, and the quantity of the optional valve sheet of valve layer is 1～3 or also can realizes the purposes of this programme more than 8 certainly.Said valve is the retractility material, squeezes the aperture of opening by sampling probe on the valve when sampling probe is drawn back and can recover automatically, stops outside air to get into test tube effectively.
Consult Fig. 2; The utility model provides a kind of test tube; Comprise the tubular body of an end opening and be installed on the plug 1 of said opening part with airtight test tube 3, said plug 1 comprises the tubular plug neck 11 of both ends open, from the plug top 10 that said plug neck 11 1 end openings outwards extend; Said plug top 10 is structure as a whole with plug neck 11; Post the first valve layer 21 on the said plug top 10, and the said first valve layer 21 covers the opening on said plug top 10 fully, the plug neck 11 said tubular bodies of said valve formula plug 1 are adaptive;
The utility model also provides a kind of test tube; Comprise the tubular body of an end opening and be installed on the plug of said opening part with airtight test tube, said plug comprises the tubular plug neck of both ends open, from the plug top that said plug neck one end opening outwards extends; Said plug top is structure as a whole with the plug neck; Said plug neck inwall is provided with the first valve layer, and the said first valve layer seals said plug neck, and the said tubular body of plug neck of said valve formula plug is adaptive.
Another opening part of said plug neck 11 is provided with the second valve layer 22 that covers said opening; Form airtight cavity between said first valve layer 21 and the said second valve layer 22; In the said airtight cavity the 3rd valve layer can also be set, the 3rd that valve layer of setting is parallel with the second valve layer 22 with the first valve layer 21 respectively.The said first valve layer 21 and the second valve layer 22 include a slice valve at least; The thickness of considering valve is extremely thin; In a preferred scheme; It is 4～8 valve sheet that the valve layer generally includes quantity, and the quantity of the optional valve sheet of valve layer is 1～3 or also can realizes the purposes of this programme more than 8 certainly.Said valve is the retractility material, squeezes the aperture of opening by sampling probe on the valve when sampling probe is drawn back and can recover automatically, stops outside air to get into test tube effectively.
Consult Fig. 3; In one embodiment, the position of wide mouth of said test tube 3 also is provided with the test tube enclosing cover 31 that is complementary with said wide-mouth, and said test tube enclosing cover 31 comprises plastic layer and rubber layer; Said rubber layer and plastic layer stressed joint; Said plastic layer is the fixedly shape of test tube enclosing cover 31, and said rubber layer is with the lateral wall of 3 mouthfuls in test tube suitable, simultaneously can better fastening test tube 3.Said test tube enclosing cover 31 inside also are provided with the opening of longitudinal section for " protruding " type, and the structure of " protruding " type can make things convenient for the adaptive of test tube enclosing cover 31 and test tube mouth.
During sampling, take off test tube enclosing cover 31 on the first test tube 3, penetrate the valve layer of plug 1 then through sampling probe; In test tube 3, extract reagent; After sampling finishes, extract sampling probe out, the aperture that sampling probe stays in plug 1 barrier film can close up automatically; Play the effect of isolating test tube 3 air and external air, with the reagent in the protection test tube 3.
The utility model is different from test tube of the prior art plug commonly used or stopper clogs the test tube mouth, need remove plug or stopper during operation, causes troublesome poeration and extraneous air is got into and pollute invisible spectro sample; Plug and test tube in the novel a kind of valve formula of this credit; Through the valve layer is set on plug, during sampling, sample needle punctures the valve layer from sampling in vitro; Can prevent effectively that like this extraneous air from getting into test tube; Pollute invisible spectro sample, and simple to operate, and practicality is relatively good.In addition, the utility model also has the following advantages:
The plug of need not choosing when 1, in test tube, adding reagent (like anti-coagulants), handled easily is saved manpower;
2, can directly be used for automatic analyzer, not damage sample needle, can clean sample needle to a certain extent when sample needle and valve friction, prevent cross pollution;
3, can guarantee to a considerable extent that in vitro tolerant (like serum etc.) is difficult for leaking, and improves biological safety;
4, can reduce aerocolloidal generation when centrifugal for common blood sampling test tube (antivacuum), improve biological safety;
5, when preserving sample, the test tube mouth of relative closure can prevent the liquid evaporation, prolongation sample holding time, assurance sample replication result's stability.
The above is merely the embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (10)
1. a valve formula plug is characterized in that, comprises the tubular plug neck of both ends open; From the plug top that said plug neck one end opening outwards extends; Said plug top is structure as a whole with the plug neck, and said plug posts the first valve layer on the top, and the said first valve layer covers the opening on said plug top fully;
Or said plug neck inwall is provided with the first valve layer, and the said first valve layer seals said plug neck.
2. valve formula plug according to claim 1 is characterized in that, another opening part of said plug neck is provided with the second valve layer that covers said opening, forms airtight cavity between said first valve layer and the said second valve layer.
3. valve formula plug according to claim 1 and 2 is characterized in that, the said first valve layer and the second valve layer include a slice valve at least.
4. valve formula plug according to claim 3 is characterized in that, the valve quantity of the said first valve layer and the second valve layer is 4～8.
5. a test tube is characterized in that, comprises the tubular body of an end opening and is installed on the plug of said opening part with airtight test tube, and said plug is the described valve formula of claim 1 plug, and the plug neck and the said tubular body of said valve formula plug are adaptive.
6. test tube according to claim 5; It is characterized in that; Another opening part of said plug neck is provided with the second valve layer that covers said opening, and said second valve layer and said plug stressed joint form airtight cavity between said first valve layer and the said second valve layer.
7. according to claim 5 or 6 described test tubes, it is characterized in that the said first valve layer and the second valve layer include a slice valve at least.
8. test tube according to claim 7 is characterized in that, the valve quantity of the said first valve layer and the second valve layer is 4～8.
9. test tube according to claim 7 is characterized in that, the position of wide mouth of said test tube also is provided with the test tube enclosing cover that is complementary with said wide-mouth, and said test tube enclosing cover comprises plastic layer and rubber layer, said rubber layer and plastic layer stressed joint.
10. test tube according to claim 9 is characterized in that, said test tube enclosing cover inside also is provided with the opening of longitudinal section for " protruding " type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200012984U CN202490626U (en) | 2012-01-04 | 2012-01-04 | Valve type rubber plug and test tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200012984U CN202490626U (en) | 2012-01-04 | 2012-01-04 | Valve type rubber plug and test tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202490626U true CN202490626U (en) | 2012-10-17 |
Family
ID=46996870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200012984U Expired - Fee Related CN202490626U (en) | 2012-01-04 | 2012-01-04 | Valve type rubber plug and test tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202490626U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106672415A (en) * | 2015-11-09 | 2017-05-17 | 无锡市凯顺医疗器械制造有限公司 | Leakage-proof piece |
| WO2019006931A1 (en) * | 2017-07-04 | 2019-01-10 | 无锡市凯顺医疗器械制造有限公司 | Fitting structure of leak-proof member, test tube, and liquid extraction member |
-
2012
- 2012-01-04 CN CN2012200012984U patent/CN202490626U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106672415A (en) * | 2015-11-09 | 2017-05-17 | 无锡市凯顺医疗器械制造有限公司 | Leakage-proof piece |
| CN106672415B (en) * | 2015-11-09 | 2018-12-25 | 无锡市凯顺医疗器械制造有限公司 | A kind of leakage barriers |
| WO2019006931A1 (en) * | 2017-07-04 | 2019-01-10 | 无锡市凯顺医疗器械制造有限公司 | Fitting structure of leak-proof member, test tube, and liquid extraction member |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121017 Termination date: 20140104 |