CN109520766B - Combined pipe for field sampling - Google Patents
Combined pipe for field sampling Download PDFInfo
- Publication number
- CN109520766B CN109520766B CN201811632657.4A CN201811632657A CN109520766B CN 109520766 B CN109520766 B CN 109520766B CN 201811632657 A CN201811632657 A CN 201811632657A CN 109520766 B CN109520766 B CN 109520766B
- Authority
- CN
- China
- Prior art keywords
- tube
- upper cover
- pipe
- inner tube
- outer tube
- 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.)
- Active
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 20
- 238000011065 in-situ storage Methods 0.000 claims 6
- 229920000742 Cotton Polymers 0.000 abstract description 10
- 238000000605 extraction Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- 238000011835 investigation Methods 0.000 description 4
- 150000007523 nucleic acids Chemical class 0.000 description 2
- 102000039446 nucleic acids Human genes 0.000 description 2
- 108020004707 nucleic acids Proteins 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000011403 purification operation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a combined tube for field sampling, which comprises an outer tube, a middle tube and an inner tube, wherein the middle tube and the inner tube are nested and integrally placed in the outer tube, the middle tube and the inner tube are positioned through circumferential positioning grooves, an outer tube upper cover is arranged at the top of the outer tube through an outward opening rotating shaft, a slide buckle is arranged on the outer tube upper cover, an inner tube upper cover is arranged at the top of the inner tube, and a cap peak matched with the slide buckle is arranged on the inner tube upper cover; through the design of the slide fastener, the inner pipe, the outer pipe and the middle pipe can be independently or integrally opened, so that the storage mode and the extraction mode of the on-site extract can be independently selected; the height difference between the outer tube and the inner tube is arranged to facilitate the clamping and breaking of the cotton swab extracting tool.
Description
Technical Field
The invention relates to the field of field acquisition equipment, in particular to a combined tube for field sampling.
Background
The investigation personnel usually collect evidences of criminal crime sites by means of naked eye observation, tools such as a magnifying glass, an entity microscope and the like, extract, package, fix and properly store the evidences by adopting scientific and technical means or methods such as writing, drawing, photography and the like, convert the evidences information into case-breaking clues, and better restore the crime sites to increase the case-breaking efficiency. Meanwhile, a new-period investigation staff needs to master a certain modern scientific technology, apply advanced technologies such as laser, space, infrared rays, X-ray and remote sensing technologies and the like to be unified with other evidence on site, further help the investigation of cases, collect and analyze the evidence on site of crimes by the investigation staff, and comprehensively utilize various methods such as a marking method, a recording method, a covering method, a transferring method, a slab bridge method and an extraction method to protect trace objects;
however, for the situation that sampling process artificial pollution often occurs in sampling various crime sites by using a cotton swab and the like, the existing sampling tube is usually of a single tube or double tube structure, the problem that the outer wall of the tube is polluted and the sample needs to be transferred secondarily exists in the single tube, the problem that the sample is transferred secondarily is solved in the double tube structure, but secondary pollution is often caused due to contact of hands, unexpected sample pollution is seriously caused, and biological traces on the crime sites cannot be extracted correctly.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a combined pipe for on-site sampling, which can effectively solve the problems of the background technology.
The technical scheme adopted for solving the technical problems is as follows:
The utility model provides a combination pipe for on-spot sampling, includes outer tube, well pipe and inner tube, fix a position through the constant head tank between outer tube, well pipe and the inner tube, the outer tube upper cover is installed through the external-open pivot in the top of outer tube, just be provided with the slide fastener on the outer tube upper cover, the inner tube upper cover is installed at the top of inner tube, just be provided with on the inner tube upper cover with the matched cap peak of slide fastener.
Further, an inner opening rotating shaft is arranged on the upper cover of the inner pipe opposite to the peak position, and the inner opening rotating shaft extends out of the upper cover of the outer pipe and is buckled in the middle of the outer opening rotating shaft.
Further, the lower surface of outer tube upper cover is provided with interior arch, is provided with the buckle on the outer tube upper cover that is located interior protruding one side, the mouth of pipe edge department of inner tube upper cover is provided with outer arch.
Further, the outer protrusion at the bottom of the inner tube upper cover is located at a higher position than the inner protrusion at the outer tube upper cover.
Further, the nesting of the middle tube and the inner tube is integrally placed in the outer tube.
Further, the bottom of the slide fastener is provided with a fastening hole, and the fastening hole is matched with the cap bill.
Further, a locating pin matched with a locating groove arranged at the pipe orifice of the middle pipe is arranged on the outer side wall of the inner pipe, a locating pin is arranged on the side wall of the middle pipe which is positioned at the right bottom of the locating groove on the middle pipe, and the outer pipe, the middle pipe and the inner pipe are located through the circumference and the locating groove.
Further, when the cap bill on the inner tube enters the buckling hole on the slide buckle, the cap bill and the buckling hole are combined, and the upper cover of the outer tube and the upper cover of the inner tube are in a state of being opened or closed simultaneously.
Compared with the prior art, the invention has the beneficial effects that:
(1) The invention realizes the multi-layer isolation of the field collected evidence when closing by the combined structure of the three combined pipes, and avoids the secondary pollution of the field evidence when operating.
(2) According to the invention, through the design of the slide fastener, the inner pipe, the outer pipe and the middle pipe can be independently or integrally opened, so that the storage mode and the extraction mode of the on-site extract can be independently selected.
(3) The invention is convenient for the clamping and breaking of the cotton swab extracting tool through the height difference between the outer tube and the inner tube.
Drawings
FIG. 1 is a schematic view of the overall semi-cutaway and three-dimensional structure of the present invention;
FIG. 2 is a schematic perspective view of an outer tube portion of the present invention;
FIG. 3 is a schematic view of the inner tube structure of the present invention;
FIG. 4 is a perspective view of a middle tube according to the present invention;
Fig. 5 is a schematic view of the slider structure of the present invention.
Reference numerals in the drawings:
1-an outer tube; 2-middle tube; 3-an inner tube; 4-positioning grooves; 5-an outward opening rotating shaft; 6-an outer tube upper cover; 7-sliding buckle; 8-an inner tube upper cover; 9-cap bill; 10-an inner opening rotating shaft; 11-inner protrusions; 12-clamping buckle; 13-an outer bulge; 14-button holes.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 5, the invention provides a combined tube for site sampling, which comprises an outer tube 1, a middle tube 2 and an inner tube 3, wherein the middle tube 2 and the inner tube 3 are nested and integrally arranged in the outer tube 1, the middle tube 2 and the inner tube 3 are positioned through a circumferential positioning groove 4, an outer tube upper cover 6 is arranged at the top of the outer tube 1 through an outward opening rotating shaft 5, a slide fastener 7 is arranged on the outer tube upper cover 6, an inner tube upper cover 8 is arranged at the top of the inner tube 3, and a cap peak 9 matched with the slide fastener 7 is arranged on the inner tube upper cover 8.
The combined tube consists of an inner tube 3, a middle tube 2 and an outer tube 1, and is mainly used for sampling on site by public security authorities, after a public security personnel collects biological traces by using a cotton swab, an outer tube upper cover 6 of the outer tube 1 is opened, the inner tube 3 is also opened simultaneously due to the locking function of a slide fastener 7, after a cotton swab head is put into the inner tube 3, the outer tube upper cover 6 is closed, the cotton swab is blocked by the synchronously closed inner tube, and then the combined tube is closed;
When the combined tube is brought back to the sample treatment chamber, the slide button 7 of the outer tube upper cover 6 is slid to the release position, the inner tube upper cover 8 and the outer tube upper cover 6 are separated, the outer tube upper cover 6 is opened, the samples in the inner tube 2 and the middle tube 3 are taken out by a laboratory tool, and the samples are put into a nucleic acid extraction workstation or instrument for nucleic acid extraction and purification operation.
An inner opening rotating shaft 10 is arranged on the inner pipe upper cover 8 opposite to the peak 9, and the inner opening rotating shaft 10 extends out of the outer pipe upper cover 6 to be buckled in the middle of the outer opening rotating shaft 5.
The lower surface of outer tube upper cover 6 is provided with interior arch 11, is provided with buckle 12 on the outer tube upper cover 6 that is located interior arch 11 one side, and the mouth of pipe edge department of inner tube upper cover 8 is provided with outer arch 13, and the position of outer arch 13 is higher than interior protruding 11's position.
The bottom of the slide button 7 is provided with a button hole 14, and the button hole 14 is matched with the peak 9.
The outer tube 1 of the invention completely covers the middle tube 2 and the inner tube 3, and avoids the pollution of the middle tube 2 and the inner tube 3 in the sampling process.
The outer tube 1 is provided with the slide fastener 7, the structure of the slide fastener 7 is provided with a fastening hole 14, the bottle cap of the inner tube 3 is provided with the cap bill 9, when the fastening hole 14 on the slide fastener 7 is separated from the cap bill 9 on the inner tube, the outer tube upper cover 6 of the outer tube 1 can be independently opened, and at the moment, the middle tube 2 and the inner tube 3 can be put in and taken out; when the cap bill 9 on the inner tube 3 enters the buckling hole 14 on the slide buckle 7, the cap bill and the slide buckle are combined, and the inner tube upper cover 8 and the outer tube upper cover 6 are simultaneously opened or closed, so that the sample can be put in.
The outer tube 1 and the inner tube 3 of the invention are both provided with protruding structures which extend out, the inner protruding 11 structure on the outer tube upper cover 6 is used for guiding when the outer tube upper cover 6 is closed, the outer protruding 13 of the inner tube upper cover 8 is used for closing and clamping off the sampling cotton swab, and the outer protruding 13 structure of the inner tube upper cover 8 is higher than the inner protruding 11 structure of the outer tube upper cover 6, so that the outer tube upper cover 6 is not contacted with the cotton swab when the sampling cotton swab is broken, and the normal clamping off of the cotton swab is not influenced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A combination tube for in-situ sampling, characterized by: the novel inner tube comprises an outer tube (1), a middle tube (2) and an inner tube (3), wherein the outer tube (1), the middle tube (2) and the inner tube (3) are positioned through a positioning groove (4), an outer tube upper cover (6) is arranged at the top of the outer tube (1) through an outward opening rotating shaft (5), a slide fastener (7) is arranged on the outer tube upper cover (6), an inner tube upper cover (8) is arranged at the top of the inner tube (3), a cap bill (9) matched with the slide fastener (7) is arranged on the inner tube upper cover (8), the middle tube (2) and the inner tube (3) are nested and integrally arranged in the outer tube (1), and the outer tube (1) completely covers the middle tube (2) and the inner tube (3);
The positioning pin matched with the positioning groove (4) arranged at the pipe orifice of the middle pipe (2) is arranged on the outer side wall of the inner pipe (3), the positioning pin is arranged on the middle pipe side wall of the right bottom of the positioning groove (4) on the middle pipe (2), and the outer pipe (1) and the middle pipe (2), the middle pipe (2) and the inner pipe (3) are positioned through the circumference and the positioning groove (4).
2. A combination pipe for in-situ sampling as claimed in claim 1, wherein: an inner opening rotating shaft (10) is arranged on the inner tube upper cover (8) at the position corresponding to the cap peak (9), and the inner opening rotating shaft (10) extends out of the outer tube upper cover (6) to be buckled in the middle of the outer opening rotating shaft (5).
3. A combination pipe for in-situ sampling as claimed in claim 1, wherein: the lower surface of outer tube upper cover (6) is provided with interior arch (11), is provided with buckle (12) on outer tube upper cover (6) that are located interior arch (11) one side, the mouth of pipe edge department of inner tube upper cover (8) is provided with outer arch (13).
4. A combination pipe for in-situ sampling as defined in claim 3, wherein: the outer bulge (13) at the bottom of the inner tube upper cover (8) is positioned higher than the inner bulge (11) at the outer tube upper cover.
5. A combination pipe for in-situ sampling as claimed in claim 1, wherein: the bottom of the slide fastener (7) is provided with a fastening hole (14), and the fastening hole (14) is matched with the cap bill (9).
6. A combination pipe for in-situ sampling as claimed in claim 1, wherein: when the cap bill (9) on the inner tube (3) enters the buckling hole (14) on the slide buckle (7), the cap bill and the slide buckle are combined, and the outer tube upper cover (6) and the inner tube upper cover (8) are in a state of being opened or closed simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811632657.4A CN109520766B (en) | 2018-12-29 | 2018-12-29 | Combined pipe for field sampling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811632657.4A CN109520766B (en) | 2018-12-29 | 2018-12-29 | Combined pipe for field sampling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109520766A CN109520766A (en) | 2019-03-26 |
| CN109520766B true CN109520766B (en) | 2024-05-07 |
Family
ID=65797611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811632657.4A Active CN109520766B (en) | 2018-12-29 | 2018-12-29 | Combined pipe for field sampling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109520766B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200344925Y1 (en) * | 2003-12-31 | 2004-03-19 | 염한림 | press-type transport medium vessel |
| CN1608025A (en) * | 2001-10-19 | 2005-04-20 | 蒙诺根有限公司 | Article handling system and method |
| CN201139556Y (en) * | 2008-01-17 | 2008-10-29 | 深圳市生科源技术有限公司 | Sampler |
| CN202735127U (en) * | 2012-08-24 | 2013-02-13 | 浙江硕华医用塑料有限公司 | Sample storage tube |
| CN203259365U (en) * | 2013-05-07 | 2013-10-30 | 厦门卓越生物质能源有限公司 | Liquid dump oil sampling tube |
| CN103439139A (en) * | 2013-09-13 | 2013-12-11 | 四川沃文特生物技术有限公司 | Disposable specimen collecting tube and applying method thereof |
| CN205620191U (en) * | 2016-03-18 | 2016-10-05 | 史俊稳 | Sample draws test tube |
| CN206046075U (en) * | 2016-08-31 | 2017-03-29 | 杭州爱基因健康管理有限公司 | A kind of New test tube |
| CN206311366U (en) * | 2016-07-01 | 2017-07-07 | 杭州奥泰生物技术有限公司 | A kind of convenient collecting device for body fluids collected and sample |
| CN207570829U (en) * | 2017-09-11 | 2018-07-03 | 山东巴罗克生物科技股份有限公司 | A kind of specimen collection tube |
| CN209673386U (en) * | 2018-12-29 | 2019-11-22 | 北京和利康源医疗科技有限公司 | A kind of compound tube for spot sampling |
-
2018
- 2018-12-29 CN CN201811632657.4A patent/CN109520766B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1608025A (en) * | 2001-10-19 | 2005-04-20 | 蒙诺根有限公司 | Article handling system and method |
| KR200344925Y1 (en) * | 2003-12-31 | 2004-03-19 | 염한림 | press-type transport medium vessel |
| CN201139556Y (en) * | 2008-01-17 | 2008-10-29 | 深圳市生科源技术有限公司 | Sampler |
| CN202735127U (en) * | 2012-08-24 | 2013-02-13 | 浙江硕华医用塑料有限公司 | Sample storage tube |
| CN203259365U (en) * | 2013-05-07 | 2013-10-30 | 厦门卓越生物质能源有限公司 | Liquid dump oil sampling tube |
| CN103439139A (en) * | 2013-09-13 | 2013-12-11 | 四川沃文特生物技术有限公司 | Disposable specimen collecting tube and applying method thereof |
| CN205620191U (en) * | 2016-03-18 | 2016-10-05 | 史俊稳 | Sample draws test tube |
| CN206311366U (en) * | 2016-07-01 | 2017-07-07 | 杭州奥泰生物技术有限公司 | A kind of convenient collecting device for body fluids collected and sample |
| CN206046075U (en) * | 2016-08-31 | 2017-03-29 | 杭州爱基因健康管理有限公司 | A kind of New test tube |
| CN207570829U (en) * | 2017-09-11 | 2018-07-03 | 山东巴罗克生物科技股份有限公司 | A kind of specimen collection tube |
| CN209673386U (en) * | 2018-12-29 | 2019-11-22 | 北京和利康源医疗科技有限公司 | A kind of compound tube for spot sampling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109520766A (en) | 2019-03-26 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhu Changxing Inventor after: Zheng Cheng Inventor after: Zhong Lian Inventor after: Huang Tao Inventor before: Zhu Changxing Inventor before: Zheng Cheng |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |