CN219689713U - Special high-sealing sampling tube sealing structure for nucleic acid detection - Google Patents
Special high-sealing sampling tube sealing structure for nucleic acid detection Download PDFInfo
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- CN219689713U CN219689713U CN202320544525.6U CN202320544525U CN219689713U CN 219689713 U CN219689713 U CN 219689713U CN 202320544525 U CN202320544525 U CN 202320544525U CN 219689713 U CN219689713 U CN 219689713U
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- sampling tube
- screw thread
- nucleic acid
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- 238000007789 sealing Methods 0.000 title claims abstract description 98
- 238000005070 sampling Methods 0.000 title claims abstract description 50
- 150000007523 nucleic acids Chemical class 0.000 title claims abstract description 31
- 102000039446 nucleic acids Human genes 0.000 title claims abstract description 31
- 108020004707 nucleic acids Proteins 0.000 title claims abstract description 31
- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 19
- 238000000034 method Methods 0.000 description 3
- 241000711573 Coronaviridae Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The utility model discloses a special high-sealing sampling tube sealing structure for nucleic acid detection, which comprises a sampling tube body, a connecting sleeve and a liquid dropping cover, wherein a first threaded opening is fixedly arranged at the top of the sampling tube body, a first annular water sealing groove is formed in the side of the top end of the first threaded opening, the connecting sleeve is fixedly arranged at the top end of the first threaded opening, a first threaded sleeve is fixedly arranged at the bottom of the connecting sleeve, the first threaded sleeve is in threaded connection with the first threaded opening, and a sealing ring is fixedly arranged on the inner wall of the first threaded sleeve. According to the utility model, water is filled between the connecting sleeve and the first threaded port through the first annular water sealing groove formed in the top end of the first threaded port and the second annular water sealing groove formed in the inner wall of the first threaded port, so that the tightness of connection between the sampling tube body and the connecting sleeve is effectively ensured.
Description
Technical Field
The utility model belongs to the technical field of sampling tubes, and relates to a sealing structure of a special high-sealing sampling tube for nucleic acid detection.
Background
The nucleic acid virus sampling tube is a detection tool used in nucleic acid detection, can collect oral cells and oral microorganisms of a human body, and can also adopt surface bacteria, surface microorganisms and DNA sampling.
Through retrieving, according to patent number "CN215887008U", a high leakproofness sampling tube for new coronavirus nucleic acid detection is disclosed, including the body, the body top is equipped with the tube cap, the spacing groove of intercommunication has been seted up on connecting block and the tube cap, the spacing inslot portion is equipped with the movable block, movable block below and threaded rod fixed connection, the threaded rod lower extreme runs through connecting block and bearing swing joint, bearing below and press ball fixed connection, the body is located presses the ball below and is equipped with the sealing block, this kind of high leakproofness sampling tube for new coronavirus nucleic acid detection rotates the tube cap, makes tube cap and tube body carry out fixed connection, and the movable block drives the threaded rod and rotates to make the threaded rod push down the dynamic pressure ball, presses ball and sealing block closely laminating, thereby reaches sealed purpose.
Above-mentioned nucleic acid sampling pipe is in the in-process of using, though it is sealed to push up ball and sealing block laminating through the threaded rod, generally through threaded connection, the leakproofness of junction is relatively poor between tube cap and the body, causes the sample liquid to leak easily in the in-process of transportation, influences the sealed effect of nucleic acid sampling pipe.
Disclosure of Invention
The utility model aims to provide a sealing structure of a special high-sealing sampling tube for nucleic acid detection, so as to solve the problems in the background technology.
The aim of the utility model can be achieved by the following technical scheme: the utility model provides a special high seal sampling tube seal structure of nucleic acid detection, includes the sampling tube body, adapter sleeve and dropping liquid lid, the fixed first screw thread mouth that is equipped with in top of the sampling tube body, first annular water sealing groove has been seted up to the avris on first screw thread mouth top, the fixed adapter sleeve that is equipped with in top of first screw thread mouth, the fixed first thread bush that is equipped with in bottom of adapter sleeve, first thread bush and first screw thread mouth threaded connection, the fixed sealing ring that is equipped with of inner wall of first thread bush, the sealing ring is established with the inside cover of first screw thread mouth and is connected, just the second annular water sealing groove has been seted up to the junction of first screw thread mouth and sealing ring, the annotate liquid hole has been seted up to the avris of adapter sleeve, the fixed second screw thread mouth that is equipped with in top of adapter sleeve, the top threaded connection of second screw thread mouth has the dropping liquid lid.
The special high-sealing sampling tube sealing structure for the nucleic acid detection comprises a first circular block, wherein a mandrel is inserted and connected at the center of the first circular block from top to bottom, a rubber sealing block is fixedly arranged at the bottom end of the mandrel, a reset spring is sleeved at the bottom of the mandrel, the top end of the reset spring is fixedly connected with the bottom end of the first circular block, the bottom end of the reset spring is fixedly connected with the top end of the rubber sealing block, and a plurality of first through holes are formed in the side of the top end of the first circular block at equal intervals.
In the above-mentioned special high sealed sampling tube seal structure of nucleic acid detection, the bottom of first circular piece is fixed to be equipped with second circular piece of second screw thread mouth inner wall fixed connection, the center department of second circular piece has seted up the second through-hole, the size of second through-hole is less than the size of rubber seal piece.
In the special high-sealing sampling tube sealing structure for nucleic acid detection, the plug connected with the center of the bottom end of the liquid drop cover into a whole is fixedly arranged at the center of the bottom end of the liquid drop cover, and the plug is embedded into the second threaded opening and is in contact connection with the top end of the ejector rod.
In the above sealing structure of the special high-sealing sampling tube for nucleic acid detection, a sealing ring is sleeved at the joint of the liquid drop cover and the second threaded port.
In the special high-sealing sampling tube sealing structure for nucleic acid detection, the top of the sampling tube body is fixedly provided with the limit ring, and the top end of the limit ring is in contact connection with the bottom end of the first thread bush.
Compared with the prior art, the special high-sealing sampling tube sealing structure for nucleic acid detection has the advantages that:
1. and water is filled in the first annular water sealing groove and the second annular water sealing groove through the first annular water sealing groove and the second annular water sealing groove, so that the tightness of connection between the sampling tube body and the connecting sleeve is effectively ensured.
2. The plug moves towards the inside of the first threaded opening through the rotation of the drip cover between the connecting sleeve and the drip cover, and the plug pushes the ejector rod to move downwards, so that the rubber sealing block at the bottom end of the ejector rod seals the second through hole, the sealing between the connecting sleeve and the drip cover is ensured, and the special sampling tube for nucleic acid detection has better sealing performance.
Drawings
FIG. 1 is a schematic diagram of the sealing structure of a special high-sealing sampling tube for nucleic acid detection.
FIG. 2 is a schematic diagram showing a partial structure of a sealing structure of a high-sealing sampling tube specially used for detecting nucleic acid.
FIG. 3 is an enlarged view of a portion of the sealing structure of the high-sealing sampling tube of FIG. 2 for detecting nucleic acid according to the present utility model.
FIG. 4 is an enlarged view of part of the sealing structure of the high-sealing sampling tube for nucleic acid detection according to the present utility model at B in FIG. 2.
In the figure: 1. a sampling tube body; 2. a limit ring; 3. a first threaded port; 4. connecting sleeves; 5. a first threaded sleeve; 6. a second threaded port; 7. a drip cover; 8. a seal ring; 9. a plug; 10. a seal ring; 11. a first annular water sealing groove; 12. a second annular water sealing groove; 13. a push rod; 14. a first circular block; 15. a first through hole; 16. a return spring; 17. a rubber sealing block; 18. a second circular block; 19. and a second through hole.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, including sampling tube body 1, adapter sleeve 4 and dropping cover 7, the fixed first screw thread mouth 3 that is equipped with in top of sampling tube body 1, first annular water sealing groove 11 has been seted up to the avris on first screw thread mouth 3 top, the fixed adapter sleeve 4 that is equipped with in top of first screw thread mouth 3, the fixed first screw thread cover 5 that is equipped with in bottom of adapter sleeve 4, first screw thread cover 5 and first screw thread mouth 3 threaded connection, the fixed sealing ring 8 that is equipped with in inner wall of first screw thread cover 5, sealing ring 8 establishes with first screw thread mouth 3 inside cover and is connected, and the second annular water sealing groove 12 has been seted up to the junction of first screw thread mouth 3 and sealing ring 8, the filling hole has been seted up on the avris of adapter sleeve 4, the fixed second screw thread mouth 6 that is equipped with in top of adapter sleeve 4, the top threaded connection of second screw thread mouth 6 has dropping cover 7, the setting of first annular water sealing groove 11 and second annular water sealing groove 12 that set up through the top of second screw thread mouth 6 that first screw thread mouth 3 top was seted up, and the sealing ring 12, and the sealing tube 1 has improved the sealing connection of effective sealing liquid with the adapter sleeve 1.
As shown in fig. 1, 2 and 4, a first circular block 14 is fixedly arranged on the second threaded opening 6 in sequence from top to bottom, a push rod 13 is connected in a penetrating manner at the center of the first circular block 14, a rubber sealing block 17 is fixedly arranged at the bottom end of the push rod 13, a return spring 16 is sleeved at the bottom of the push rod 13, the top end of the return spring 16 is fixedly connected with the bottom end of the first circular block 14, the bottom end of the return spring 16 is fixedly connected with the top end of the rubber sealing block 17, and a plurality of first through holes 15 are formed in the side of the top end of the first circular block 14 at equal intervals; the lift pins 13 are controlled to rise by the return springs 16.
The bottom of the first circular block 14 is fixedly provided with a second circular block 18 fixedly connected with the inner wall of the second threaded opening 6, a second through hole 19 is formed in the center of the second circular block 18, and the size of the second through hole 19 is smaller than that of the rubber sealing block 17.
The center of the bottom end of the liquid dropping cover 7 is fixedly provided with a plug 9 which is connected with the center, the plug 9 is embedded into the second threaded opening 6 and is in contact connection with the top end of the ejector rod 13, the plug 9 extends into the second threaded opening 6, the ejector rod 13 is extruded to move downwards, and the rubber sealing block 17 is pushed to seal the second through hole 19 through the downward movement of the ejector rod 13.
The sealing ring 10 is sleeved at the joint of the liquid dropping cover 7 and the second threaded opening 6, and the sealing performance of the liquid dropping cover 7 and the second threaded opening 6 is improved through the sleeved sealing ring 10.
The top of the sampling tube body 1 is fixedly provided with a limit ring 2, the top end of the limit ring 2 is in contact connection with the bottom end of the first thread bush 5, and the position of the threads of the first thread bush 5 is controlled through the arrangement of the limit ring 2.
When the nucleic acid sampling tube is used for sampling nucleic acid, a sampled cotton stick is placed into the sampling tube body 1, after sampling is completed, the first threaded sleeve 5 is manually rotated, the first threaded sleeve 5 is in threaded connection with the first threaded opening 3, the bottom end of the first threaded sleeve 5 is in contact with the top end of the limit ring 2, then sealing liquid is injected into the first annular water sealing groove 11 and the second annular water sealing groove 12 at the top end of the first threaded opening 3 through liquid injection holes, sealing between the connecting sleeve 4 and the sampling tube body 1 is effectively ensured, then the liquid dropping cover 7 is in threaded connection with the second threaded opening 6 at the top end of the connecting sleeve 4, the plug 9 at the bottom of the liquid dropping cover is inserted into the second threaded opening 6 in the rotation process of the liquid dropping cover 7, the push rod 13 is pressed down by the plug 9 to push the rubber sealing block 17 to seal the second through hole 19, and the sealing between the liquid dropping cover 7 and the connecting sleeve 4 is effectively ensured, and the sealing effect of the liquid dropping cover 7 and the sampling tube 4 is improved.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (6)
1. The utility model provides a special high sealed sampling tube seal structure of nucleic acid detection, includes sampling tube body (1), adapter sleeve (4) and dropping liquid lid (7), its characterized in that, the fixed first screw thread mouth (3) that is equipped with in top of sampling tube body (1), first annular sealing groove (11) have been seted up to the avris on first screw thread mouth (3) top, the fixed adapter sleeve (4) that is equipped with in top of first screw thread mouth (3), the fixed first screw thread cover (5) that is equipped with in bottom of adapter sleeve (4), first screw thread cover (5) and first screw thread mouth (3) threaded connection, the inner wall of first screw thread cover (5) is fixed and is equipped with sealing ring (8), sealing ring (8) are established with the inside cover of first screw thread mouth (3) and are connected, just second annular sealing groove (12) have been seted up to the junction on first screw thread mouth (3) and sealing ring (8), the avris of adapter sleeve (4) has been seted up annotates the liquid hole, the top of adapter sleeve (4) is fixed and is equipped with second screw thread mouth (6), the threaded connection (7) of second screw thread mouth (6).
2. The high-sealing sampling tube sealing structure special for nucleic acid detection according to claim 1, wherein: the utility model discloses a rubber sealing device for a motor vehicle, including first round piece (14) is fixed in proper order from top to bottom in second screw thread mouth (6), the center department of first round piece (14) alternates and is connected with ejector pin (13), the bottom fixed mounting of ejector pin (13) has rubber sealing block (17), reset spring (16) are established to the bottom cover of ejector pin (13), the bottom fixed connection of reset spring (16) top and first round piece (14), the top fixed connection of reset spring (16) bottom and rubber sealing block (17), a plurality of first through-holes (15) have been seted up to the avris equidistance on first round piece (14) top.
3. The high-sealing sampling tube sealing structure special for nucleic acid detection according to claim 2, wherein: the bottom of the first circular block (14) is fixedly provided with a second circular block (18) fixedly connected with the inner wall of the second threaded port (6), the center of the second circular block (18) is provided with a second through hole (19), and the size of the second through hole (19) is smaller than that of the rubber sealing block (17).
4. The high-sealing sampling tube sealing structure special for nucleic acid detection according to claim 1, wherein: the center of the bottom end of the liquid dropping cover (7) is fixedly provided with a plug (9) which is connected with the bottom end into a whole, and the plug (9) is embedded into the second threaded opening (6) and is in contact connection with the top end of the ejector rod (13).
5. The high-sealing sampling tube sealing structure special for nucleic acid detection according to claim 4, wherein: the joint of the liquid dropping cover (7) and the second threaded opening (6) is sleeved with a sealing ring (10).
6. The high-sealing sampling tube sealing structure special for nucleic acid detection according to claim 1, wherein: the top of the sampling tube body (1) is fixedly provided with a limit ring (2), and the top end of the limit ring (2) is in contact connection with the bottom end of the first thread bush (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320544525.6U CN219689713U (en) | 2023-03-18 | 2023-03-18 | Special high-sealing sampling tube sealing structure for nucleic acid detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320544525.6U CN219689713U (en) | 2023-03-18 | 2023-03-18 | Special high-sealing sampling tube sealing structure for nucleic acid detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219689713U true CN219689713U (en) | 2023-09-15 |
Family
ID=87962359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320544525.6U Active CN219689713U (en) | 2023-03-18 | 2023-03-18 | Special high-sealing sampling tube sealing structure for nucleic acid detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219689713U (en) |
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2023
- 2023-03-18 CN CN202320544525.6U patent/CN219689713U/en active Active
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