CN209555225U - For DNA detection sampler - Google Patents
For DNA detection sampler Download PDFInfo
- Publication number
- CN209555225U CN209555225U CN201821794326.6U CN201821794326U CN209555225U CN 209555225 U CN209555225 U CN 209555225U CN 201821794326 U CN201821794326 U CN 201821794326U CN 209555225 U CN209555225 U CN 209555225U
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- CN
- China
- Prior art keywords
- connecting rod
- collection tube
- collection
- lid
- head
- Prior art date
- 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.)
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Abstract
The utility model discloses one kind to be used for DNA detection sampler, belong to the detection sampling field of DNA, including collection head and collection tube, the collection tube forms cylinder-like structure closed at one end, the middle position of the collection tube closed end offers circular through-hole, the collection head is mounted on inside collection tube by connecting rod, the connecting rod includes first connecting rod and the second connecting rod for being sleeved on inside the first connecting rod, the one end of second connecting rod extends outside the collection tube closed end and forms press section, the collection head is fixed on the end of second connecting rod, forming the collection head may extend or retract structure inside the collection tube by the connecting rod, the inside of the collection tube is equipped with the automatic recycling device withdrawn for the collection head, solve existing sampler sampling Sample is easy contaminated problem in inconvenient in the process and sampling process.
Description
Technical field
The utility model relates to the detections of DNA to sample field, be used for DNA detection sampler more particularly to one kind.
Background technique
When carrying out genetic test, multi-pass crosses cotton swab etc. and mouth epithelial cells is taken to be monitored, again will sampling after sampling
Cotton swab is saved for next detection work, and operation is relatively complicated, and samples cotton swab appearance during preservation
It is easily contaminated, and operation is more troublesome, it is therefore desirable to a kind of sampler for DNA detection is provided, for down-sampling
The contaminated possibility of sample in journey.
Utility model content
For above situation, for the defect for overcoming the prior art, the utility model provides a kind of for DNA detection sampling
Device solves the problems, such as in existing sampler sampling process that sample is easy contaminated in inconvenient and sampling process.
Its technical solution is to be used for DNA detection sampler, including collection head and collection tube, the collection tube form one end
Closed cylinder-like structure, the middle position of the collection tube closed end offer circular through-hole, and the collection head passes through
Connecting rod is mounted on the inside of the collection tube, and the length of the connecting rod can be adjusted, and the connecting rod includes cylindrical shape
Second connecting rod of the first connecting rod of structure and the cylindrical-shaped structure being sleeved on inside the first connecting rod, described first connects
The end of extension bar and the inner wall of the collection tube are fixedly connected, and the one end of second connecting rod extends the acquisition
Outside duct occlusion end and the press section for being convenient for pressing is formed, the collection head is fixed on the end of second connecting rod, is formed
The collection head may extend or retract the structure inside the collection tube by the connecting rod, and the inside of the collection tube is equipped with
The automatic recycling device withdrawn for the collection head.
Further, the automatic recycling device include recycling spring, the recycling spring be helical spring, described time
The outside that spring is socketed in the connecting rod is received, the recycling spring one end portion is fixed on described first by the first fixinig plate and connects
The other end of the end of extension bar, the recycling spring is fixed in second connecting rod by the second fixinig plate.
Further, the end of the first connecting rod extends to form outward along the direction perpendicular to the connecting rod
First fixinig plate of annular structure, the first connecting rod are fixed on the side wall of the collection tube by first fixinig plate
On, the second fixinig plate of annular structure, institute are extended with along the direction perpendicular to second connecting rod in second connecting rod
State between the second fixinig plate and the side wall of the collection tube that there are gaps.
Further, the open end of the collection tube is equipped with lid, and the lid forms the closed cylindrical shape of one end
Structure, the lid are equipped with internal screw thread, and the collection tube is equipped with and compatible external screw thread on the lid, the lid
The inside of closed end is fixed with the baffle of cylinder-like structure, forms annular structure between the baffle and the side wall of the lid
Cavity, the open end position of the collection tube in the cavity, the gasket of rubber material is equipped in the cavity.
Further, the end of the collection tube is along perpendicular to side is right up and down respectively on the direction of the collection tube
Title extends to form connection sheet, and the connection sheet forms the laminated structure of arc, and the connection sheet is equipped with anti-skid chequer.
The utility model has the technical effect that the collection head is set to the inside of the collection tube by the connecting rod, and
The inside that the collection head is released and taken in the collection tube may be implemented by the connecting rod, the connecting rod formation can
Flexible structure is equipped in the collection tube and automatically retracts device, the automatics drawing back device for after sampling by the acquisition
Head timely takes in the inside of the collection tube, and the open end of the collection tube is connected with lid, by the lid after sample acquisition
Body covers and can reduce the pollutants such as bacterium and polluted to sample into the collection tube, the lid and the collection tube
The connection structure of open end setting sealing, can be further reduced a possibility that pollutants such as bacterium carry out the collection tube.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the enlarged drawing of part A in Fig. 1.
Fig. 3 is the structural schematic diagram of lid in the utility model.
Specific embodiment
Below in conjunction with Figure of description, specific embodiment is described in further details.
Collection head 1: the collection head 1 can form brush head formula structure, and collection head 1 described in sampling process protrudes into oral cavity
For acquiring the oral cavity parietal cell that cavity interior falls off, the collection head is fixed on the end of the connecting rod in portion, in order into one
Step increase the collection head 1 using area, the collection head 1 includes the fixed link of cylindrical body and circumferentially shape is set to institute
State the brush head outside fixed link, the end of the fixed link and the connecting rod is fixedly connected, the fixed link with it is described
Connection type between connecting rod can be integrated molding, and the brush head can form cylinder-like structure, and the brush head is socketed in
The external of the fixed link forms the collection head 1 collected for mouth epithelial cells.
Collection tube 2: the collection tube 2 forms cylinder-like structure closed at one end, on the end of 2 closed end of collection tube
Circular through-hole 3 is offered, edge is square up and down perpendicular to the direction of the collection tube 2 on the outer wall of 2 closed end of collection tube
It is symmetrically extended connection sheet 10, the connection sheet 10 forms the laminated structure of arc, and the connection sheet 10 is equipped with anti-skid chequer, institute
The open end for stating collection tube 2 is equipped with external screw thread.
Connecting rod: the connecting rod forms telescopic structure, and the connecting rod includes first connecting rod 5 and the second connection
Bar 6, the first connecting rod 5 form cylinder-like structure, and the formation of the second connecting rod 6 is adapted with the first connecting rod 5
Cylindrical-shaped structure, second connecting rod 6 is socketed in the inside of the first connecting rod 5 and formation can be in first connection
The structure to move back and forth inside bar 5, second connecting rod 6 is through the first connecting rod 5 and by the collection tube 2
Through-hole 3 extend to the inside of the collection tube 2, the inside of the through-hole 3 is equipped with rubber pad, and the through-hole 3 passes through rubber pad
Contacted with the first connecting rod 5, the rubber pad can effectively reduce the pollutants such as bacterium by the through-hole into
Enter in the collection tube 2, second connecting rod 6 is extended the end outside the collection tube 2 and formed for pushing described the
The press section 7 of two connecting rods 6, the press section 7 can form the laminated structure of ellipse, press described in push-and-pull in use
Splenium 7 moves second connecting rod 6 in the inside of the first connecting rod 5 and drives the collection head 1 by described
It stretches out or retracts in collection tube 2.
The first connecting rod 5 close to 2 closed end of collection tube end along perpendicular to the first connecting rod 5 side
To the first fixinig plate 8 for extending to form annular structure, the side of the marginal portion of first fixinig plate 8 and the collection tube 2
Wall is fixedly connected, and may each be between 2 side wall of first fixinig plate 8 and the first connecting rod 5 and the collection tube
Integrated formed structure extends to form annular structure along the direction perpendicular to second connecting rod 6 in second connecting rod 6
The second fixinig plate 9, do not contacted between second fixinig plate 9 and the side wall of the collection tube 2, second fixinig plate 9 with
Gap, the connection type between second connecting rod 6 and second fixinig plate 9 are formed between the side wall of the collection tube 2
It can be integrated molding.
Automatic recycling device: the automatic recycling device includes recycling spring 4, and the recycling spring 4 is helical spring, institute
State the outside that recycling spring 4 is sleeved on the first connecting rod 5 and second connecting rod 6, the both ends of the recycling spring 4
It is attached respectively with first fixinig plate 8 and second fixinig plate 9, the both ends Curved of the recycling spring 4
At hook formation, offer on first fixinig plate 8 and second fixinig plate 9 for the 4 end hanging support of recycling spring
Aperture, the small hole number on first fixinig plate 8 and second fixinig plate 9 is two, and the aperture can
To form semicircular through-hole structure, the interconnecting piece of rectangular configuration is formed between two apertures, the recycling spring 4 passes through
Two apertures are hung on the interconnecting piece.
Lid 11: the lid 11 forms the cylinder-like structure of top closure, and the open end of the lid 11 is equipped with interior spiral shell
Line, the end of 2 open end of collection tube, which is equipped with, adopts with compatible external screw thread on the lid 11, the lid 11 with described
The open end of collector 2 is threadedly coupled, and the top inside the lid 11 is further fixed on cylindric baffle 12, the baffle
12 and the lid 11 side wall between form the cavity 13 of circular ring shape, the size of the cavity 13 and 2 side wall of collection tube
Thickness is adapted, and the lid 11 is covered when on the collection tube 2, and the side wall of 2 open end of collection tube is connected to described
In cavity 13, the inside of the cavity 13 is additionally provided with the gasket 14 of rubber material, and the gasket 14 is formed and 13 phase of cavity
The cirque structure of adaptation, the end of the collection tube 2 are contacted with the gasket 14, the lid 11 and the collection tube 2
Open end forms the connection structure of sealing, can effectively reduce the inside that the pollutants such as bacterium enter the collection tube 2, further
Reduce the contaminated possibility of sample in sample collection process.
It is located at the inside of the collection tube 2 using the preceding collection head 1, the lid 11 covers on the collection tube 2, whole
A sampler, which is placed in hermetic bag, to be saved, and when use opens hermetic bag, while removing the lid 11, presses the pressing
Portion 7 pushes second connecting rod 6, the outside for making second connecting rod 6 that the collection head be driven to stretch out the collection tube 2,
When pressing pushes second connecting rod 6, index finger and middle finger are placed in the connection sheet 10, with thumb press it is described by
The cavity interior that the collection head protrudes into acquisition target is acquired the mouth epithelial cells to fall off, in sample by splenium 7
After the completion of product are collected, reduce the pressing force to the press section 7, under the action of the elastic force of the recycling spring, will drive institute
It states the second connecting rod 6 to withdraw to the inside of the collection tube 2, and then the collection head 1 is driven to withdraw the interior of the collection tube 2
The lid 11 is covered on the collection tube 2 again, can effectively realize and be sealed to sample by portion, reduces bacterium, ash
The entrance of the pollutants such as dirt, it is simple during whole operation, it does not need to reuse other containers collecting sample is saved.
The utility model has the technical effect that the collection head is set to the inside of the collection tube by the connecting rod, and
The inside that the collection head is released and taken in the collection tube may be implemented by the connecting rod, the connecting rod formation can
Flexible structure is equipped in the collection tube and automatically retracts device, the automatics drawing back device for after sampling by the acquisition
Head timely takes in the inside of the collection tube, and the open end of the collection tube is connected with lid, by the lid after sample acquisition
Body covers and can reduce the pollutants such as bacterium and polluted to sample into the collection tube, the lid and the collection tube
The connection structure of open end setting sealing, can be further reduced a possibility that pollutants such as bacterium carry out the collection tube.
The utility model is described in detail above by specific embodiment and embodiment, but these are not structure
At limitations of the present invention.In the case where not departing from the utility model principle, those skilled in the art can also be made
Many modification and improvement, these also should be regarded as the protection scope of the utility model.
Claims (5)
1. being used for DNA detection sampler, including collection head (1) and collection tube (2), the collection tube (2) forms closed at one end
The middle position of cylinder-like structure, collection tube (2) closed end offers circular through-hole (3), which is characterized in that described
Collection head (1) is mounted on the inside of the collection tube (2) by connecting rod, and the length of the connecting rod can be adjusted, described
Connecting rod includes the first connecting rod (5) of cylinder-like structure and the cylindrical-shaped structure for being sleeved on the first connecting rod (5) inside
The second connecting rod (6), the end of the first connecting rod (5) and the inner wall of the collection tube (2) are fixedly connected, described
The one end of second connecting rod (6) extends the press section (7) outside the collection tube (2) closed end and formed convenient for pressing,
The collection head (1) is fixed on the end of second connecting rod (6), and forming the collection head (1) can by the connecting rod
The internal structure of the extended or retracted collection tube (2), the inside of the collection tube (2) is equipped with receives for the collection head (1)
The automatic recycling device returned.
2. according to claim 1 be used for DNA detection sampler, which is characterized in that the automatic recycling device includes back
It receives spring (4), the recycling spring (4) is helical spring, and recycling spring (4) is socketed in the outside of the connecting rod, institute
State the end that recycling spring (4) one end is fixed on the first connecting rod (5) by the first fixinig plate (8), the recycling bullet
The other end of spring (4) is fixed on second connecting rod (6) by the second fixinig plate (9).
3. according to claim 2 be used for DNA detection sampler, which is characterized in that the end of the first connecting rod (5)
Along the first fixinig plate (8) for extending to form annular structure outward perpendicular to the direction of the connecting rod (5), described first connects
Extension bar (5) is fixed on the side wall of the collection tube (2) by first fixinig plate (8), edge on second connecting rod (6)
The second fixinig plate of annular structure (9), second fixinig plate (9) are extended with perpendicular to the direction of second connecting rod (6)
There are gaps between the side wall of the collection tube (2).
4. according to claim 1 be used for DNA detection sampler, which is characterized in that the open end of the collection tube (2) is set
Have lid (11), the lid (11) forms the closed cylinder-like structure of one end, and the lid (11) is equipped with internal screw thread, institute
State collection tube (2) be equipped with compatible external screw thread on the lid, the inside of lid (11) closed end is fixed with circle
The baffle (12) of tubular structure forms the cavity of annular structure between the baffle (12) and the side wall of the lid (11)
(13), the open end of the collection tube (2) is located in the cavity (13), and the gasket of rubber material is equipped in the cavity (13)
(14).
5. being used for DNA detection sampler according to claim 1, which is characterized in that the end of the collection tube (2) is along vertical
In square be symmetrically extended to be formed connection sheet (10) up and down respectively on the direction of the collection tube (2), the connection sheet (10) is formed
The laminated structure of arc, the connection sheet (10) are equipped with anti-skid chequer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821794326.6U CN209555225U (en) | 2018-11-01 | 2018-11-01 | For DNA detection sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821794326.6U CN209555225U (en) | 2018-11-01 | 2018-11-01 | For DNA detection sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209555225U true CN209555225U (en) | 2019-10-29 |
Family
ID=68300269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821794326.6U Expired - Fee Related CN209555225U (en) | 2018-11-01 | 2018-11-01 | For DNA detection sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209555225U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113862124A (en) * | 2021-08-19 | 2021-12-31 | 王晓丽 | Probiotic sampling instrument and sampling method thereof |
-
2018
- 2018-11-01 CN CN201821794326.6U patent/CN209555225U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113862124A (en) * | 2021-08-19 | 2021-12-31 | 王晓丽 | Probiotic sampling instrument and sampling method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191029 Termination date: 20211101 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |