CN113252382B - Smearing sampling device - Google Patents
Smearing sampling device Download PDFInfo
- Publication number
- CN113252382B CN113252382B CN202110587191.6A CN202110587191A CN113252382B CN 113252382 B CN113252382 B CN 113252382B CN 202110587191 A CN202110587191 A CN 202110587191A CN 113252382 B CN113252382 B CN 113252382B
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- Prior art keywords
- baffle
- sampling
- shell
- push rod
- hole
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- 238000005070 sampling Methods 0.000 title claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000010422 painting Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000003749 cleanliness Effects 0.000 description 3
- 238000003556 assay Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process 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
- G01N1/02—Devices for withdrawing samples
- G01N2001/028—Sampling from a surface, swabbing, vaporising
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a smearing sampling device, which comprises: the device comprises a supporting mechanism, a pressure mechanism and a smearing mechanism; the supporting mechanism comprises a shell, rollers and a limiting mechanism; the pressure mechanism comprises a first baffle, a second baffle and an elastic piece; the first baffle and the second baffle are both arranged inside the shell, and the elastic piece is arranged between the first baffle and the second baffle; the smearing mechanism comprises a clamping device and a sampling carrier; the beneficial effects are that: the invention ensures that the sampling pressure is constant in the whole sampling process by the cooperation of the pressing mechanism and the roller when the sampling device works, and solves the problem that the traditional contact sampling method has great influence on the test result due to the difference of manual operation. A local part of a large-area surface such as a chemical cargo tank and other sampling surfaces can be sampled.
Description
Technical Field
The invention relates to the technical field of sampling, in particular to a smearing sampling device.
Background
When the chemical carrier changes the cargo types, the inner wall of the cargo hold needs to be cleaned and the cleanliness standard of the loaded cargo is achieved so as to ensure the quality of the loaded cargo. The contact method is a common sampling method for testing the cleanliness after the chemical ship washes the cabin, and when the traditional contact method is used for testing and sampling the cleanliness after the chemical ship washes the cabin, the sampling effect is easily affected by the difference of manual operation, so that the test result is deviated due to the difference of manual operation.
Disclosure of Invention
The invention provides a sampling device for a smearing method, which aims to solve the problem that the traditional sampling method is greatly influenced by manual operation.
In order to achieve the above object, the technical scheme of the present invention is as follows:
a sampling device for a painting method, which is characterized in that: comprising the following steps: the device comprises a supporting mechanism, a pressure mechanism and a smearing mechanism;
The supporting mechanism comprises a shell, rollers and a limiting mechanism; an opening is formed in one side of the shell; the roller is fixedly arranged on the outer side wall of one side of the shell, which is provided with the opening; the limiting mechanism is fixedly arranged on the inner side wall of one side of the shell, which is provided with the opening;
the pressure mechanism comprises a first baffle, a second baffle and an elastic piece; the first baffle plate and the second baffle plate are arranged inside the shell, the elastic piece is arranged between the first baffle plate and the second baffle plate, and two ends of the elastic piece are respectively abutted against the first baffle plate and the second baffle plate;
the smearing mechanism comprises a clamping device and a sampling carrier; the clamping device is fixedly arranged on the end face of one side, close to the opening, of the first baffle plate, and the sampling carrier is fixed on the clamping device.
Further, the device also comprises a pressing push rod; a first through hole is formed in one side, far away from the opening, of the shell, and an internal thread is arranged on the wall surface of the first through hole; the pressing push rod is provided with external threads corresponding to the internal threads, and passes through the first through hole and is abutted against the second baffle.
Further, one end of the pressing push rod, which is abutted against the second baffle, is of a spherical structure.
Further, a spherical groove corresponding to the spherical structure is formed in the second baffle plate.
Further, a rotating cover is fixed at one end of the second baffle, which is abutted to the pressing push rod, a spherical accommodating cavity is formed between the rotating cover and the second baffle, a second through hole is formed in the rotating cover, and one end of the pressing push rod, which is provided with the spherical structure, penetrates through the second through hole and is arranged in the spherical accommodating cavity.
Further, the device also comprises a pressing handle arranged at the other end of the pressing push rod, and the pressing handle is perpendicular to the axis of the pressing push rod.
Further, an extension mechanism is arranged outside the shell, the extension mechanism comprises an extension rod, two groups of fixing seats and a connecting frame, and the fixing seats are arranged on the shell in parallel; the fixing seat is provided with a connecting hole; the connecting frame comprises a frame body and two connecting columns, one end of each connecting column is fixedly connected with the frame body, and the other end of each connecting column penetrates through the connecting hole; one end of the extension rod is fixedly arranged in the frame body.
The beneficial effects are that: according to the smearing sampling device, when the sampling device works, the pressure is constant in the whole sampling process through the cooperation of the pressure applying mechanism and the roller, so that the problem that the traditional contact sampling method has great influence on an assay result due to human operation difference is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of a sampling device according to the application method of the present invention;
FIG. 2 is a schematic view of an extension mechanism of a painting method sampling device according to the present invention;
FIG. 3 is a schematic cross-sectional view of a painting method sampling device A-A according to the present invention;
FIG. 4 is a schematic view of a pressing mechanism of a sampling device for the smearing method according to the present invention.
Wherein: 1. a clamping device; 2. a limiting mechanism; 3. a roller; 4. an elastic member; 5. an extension rod; 6. a pressing push rod; 62. a spherical structure; 63. a rotating cover; 64. a pressing handle; 7. a housing; 8. a first baffle; 9. a second baffle; 10. sampling a carrier; 11. a first through hole; 12. a fixing seat; 13. a frame body; 15. a connecting column; 14. and a connection hole.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. It will be understood that the terms first, second, etc. as used herein may be used to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another element. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present application. Both the first element and the second element are elements, but they are not the same element.
A smear method sampling apparatus as described in figures 1-4, comprising: the device comprises a supporting mechanism, a pressure mechanism and a smearing mechanism;
Preferably, the supporting mechanism comprises a shell 7, a roller 3 and a limiting mechanism 2; the shell 7 is of a semi-closed rectangular structure with an opening at one side; the roller 3 is fixedly arranged on the outer side wall of the side, provided with the opening, of the shell 7 so as to realize that the sampling device can move along with the rolling of the roller 2; the limiting mechanism 2 is fixedly arranged on the inner side wall of the side, provided with the opening, of the shell 7; the limiting mechanism in this embodiment is a limiting block disposed on the inner side wall of the housing 7.
Preferably, as shown in fig. 1, the pressure mechanism comprises a first baffle 8, a second baffle 9 and an elastic piece; the first baffle 8 and the second baffle 9 are both arranged inside the casing 7, and in the specific embodiment, 4 groups of compression springs are adopted as elastic members; the 4 groups of pressure springs are uniformly distributed between the first baffle plate 8 and the second baffle plate 9, and two ends of the pressure springs are respectively abutted against the first baffle plate 8 and the second baffle plate 9; when the sampling device is in a to-be-operated state, the first baffle plate 8 abuts against the limiting block.
Preferably, the sampling device further includes a pressing push rod 6, a first through hole 11 is formed on a side, far away from the opening, of the housing 7, an internal thread is provided on a wall surface of the first through hole 11, an external thread corresponding to the internal thread is provided on the pressing push rod 6, and the pressing push rod 6 passes through the first through hole 11 and abuts against the second baffle 9, as shown in fig. 4; the position of the pressure applying rod relative to the shell is fixed through threaded fit, so that the pressure applied by the sampling device to the surface of the sampling target is kept unchanged during the working process.
One end of the pressing push rod 6, which is abutted against the second baffle plate 9, is of a spherical structure 62; the second baffle plate 9 is provided with a spherical groove corresponding to the spherical structure 62. When pressure is applied to the second barrier 9 by the screw structure provided on the first through hole 11 and the pressing push rod 6, the spherical structure 62 of the pressing push rod 6 rotates in the spherical groove, and the rotating friction force can be reduced.
The end of the second baffle 9, which is abutted against the pressing push rod 6, is further fixed with a rotating cover 63, a ball accommodating cavity is formed between the rotating cover 63 and the second baffle 9, a second through hole is formed in the rotating cover 63, and one end of the pressing push rod 6, which is provided with the ball structure 62, penetrates through the second through hole and is placed in the ball accommodating cavity, so that when the pressing push rod 6 is pressed by work, the pressing push rod 6 is kept abutted against the second baffle 9. In this embodiment, the rotating cover 63 is fixedly connected with the second baffle 9 through bolts;
The sampling device further comprises a pressing handle 64 arranged at the other end of the pressing push rod 6, the pressing handle 64 is perpendicular to the axis of the pressing push rod 6, so that the pressing push rod 6 can conveniently rotate relative to the second baffle plate 9, and the whole smearing device can be driven to move on the sampling surface through the pressing handle.
Preferably, the application mechanism comprises a clamping device 1 and a sampling carrier 10; the clamping device 1 is fixedly arranged on the end face of the first baffle plate 8 close to the opening side, and the sampling carrier 10 is fixedly arranged on the clamping device 1 so as to be capable of smearing the sampling surface for sampling; the clamping device in this embodiment adopts a clamping cloth clamp which is already mature, so that the description is not repeated here.
As shown in fig. 2, an extension mechanism is arranged outside the housing 7, the extension mechanism comprises an extension rod 5, two groups of fixing seats 12 and a connecting frame, and the fixing seats 12 are arranged at two sides of the through hole 11 in parallel; the fixing seat 12 is provided with a connecting hole 14; the connecting frame comprises a frame body 13 and two connecting columns 15, wherein the connecting columns 15 are arranged on the frame body 13, one end of each connecting column 15 is fixedly connected with the frame body 13, and the other end of each connecting column passes through the connecting hole 14; a bearing is arranged between the fixed seat 12 and the connecting column 15; one end of the extension rod 5 is fixedly arranged in the middle of the frame 13. When the surface to be sampled is high or not easily accessible, the sampling device can be brought to a place remote from the operator for sampling by means of an extension mechanism provided on the housing.
Specifically, a sampling carrier matched with a sampling target is selected, in this embodiment, a sponge layer is selected to be used as the sampling carrier, when the sampling surface is sampled, the sponge layer is clamped by a clamping device, then the sampling device is pressed until a roller contacts the sampling surface, so that the sponge layer can be pressed on the sampling surface, the pressure mechanism is applied by rotating the pressure applying handle, and when the pressure applying handle is stopped rotating, the pressure applying rod is kept in a fixed state relative to the shell, so that the sampling pressure of the sampling device is kept unchanged. And moving the sampling device until the sampling is finished. After sampling is completed, the sampling carrier is removed and the sampling sponge layer is placed in the extract for subsequent testing.
The smearing sampling device is not only used for sampling large-area surfaces such as a chemical cargo tank, but also suitable for sampling other surfaces needing to be sampled by smearing.
The foregoing examples illustrate only a few embodiments of the application and are described in detail herein without thereby limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (4)
1. A sampling device for a painting method, which is characterized in that: comprising the following steps: the device comprises a supporting mechanism, a pressure mechanism and a smearing mechanism;
The supporting mechanism comprises a shell (7), rollers (3) and a limiting mechanism (2); an opening is formed in one side of the shell (7); the roller (3) is fixedly arranged on the outer side wall of one side of the shell (7) provided with the opening; the limiting mechanism (2) is fixedly arranged on the inner side wall of one side of the shell (7) provided with the opening;
The pressure mechanism comprises a first baffle (8), a second baffle (9) and an elastic piece (4); the first baffle (8) and the second baffle (9) are both arranged inside the shell (7), the elastic piece (4) is arranged between the first baffle (8) and the second baffle (9), and two ends of the elastic piece (4) are respectively abutted against the first baffle (8) and the second baffle (9);
The smearing mechanism comprises a clamping device (1) and a sampling carrier (10); the clamping device (1) is fixedly arranged on the end face of the first baffle (8) close to the opening side, and the sampling carrier (10) is fixedly arranged on the clamping device (1);
The device also comprises a pressing push rod (6); a first through hole (11) is formed in one side, far away from the opening, of the shell (7), and an internal thread is formed in the wall surface of the first through hole (11); the pressing push rod (6) is provided with external threads corresponding to the internal threads, and the pressing push rod (6) passes through the first through hole (11) and is abutted against the second baffle (9);
one end of the pressing push rod (6) which is abutted against the second baffle (9) is of a spherical structure (62);
and the second baffle (9) is provided with a spherical groove corresponding to the spherical structure (62).
2. A smear sampling apparatus as claimed in claim 1, wherein: one end of the second baffle (9) which is abutted to the pressing push rod (6) is further fixed with a rotating cover (63), a spherical accommodating cavity is formed between the rotating cover (63) and the second baffle (9), a second through hole is formed in the rotating cover (63), and one end of the pressing push rod (6) provided with the spherical structure (62) penetrates through the second through hole and is arranged in the spherical accommodating cavity.
3. A smear sampling apparatus as claimed in claim 1, wherein: the device also comprises a pressing handle (64) arranged at the other end of the pressing push rod (6), wherein the pressing handle (64) is perpendicular to the axis of the pressing push rod (6).
4. A smear sampling apparatus as claimed in claim 1, wherein: an extension mechanism is arranged outside the shell (7), the extension mechanism comprises an extension rod (5), two groups of fixing seats (12) and a connecting frame, and the fixing seats (12) are arranged on the shell (7) in parallel; the fixing seat (12) is provided with a connecting hole (14); the connecting frame comprises a frame body (13) and two connecting columns (15), one end of each connecting column (15) is fixedly connected with the frame body (13), and the other end of each connecting column penetrates through the connecting hole (14); one end of the extension rod (5) is fixedly arranged in the frame body (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110587191.6A CN113252382B (en) | 2021-05-27 | 2021-05-27 | Smearing sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110587191.6A CN113252382B (en) | 2021-05-27 | 2021-05-27 | Smearing sampling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113252382A CN113252382A (en) | 2021-08-13 |
| CN113252382B true CN113252382B (en) | 2024-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110587191.6A Active CN113252382B (en) | 2021-05-27 | 2021-05-27 | Smearing sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113252382B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10011235A1 (en) * | 2000-03-08 | 2001-09-20 | Max Planck Gesellschaft | Manually-operated coring sampler for e.g. gels, tissues or vegetable matter, includes unit producing pressure or suction inside coring cutter |
| US6398562B1 (en) * | 1998-09-17 | 2002-06-04 | Cygnus, Inc. | Device and methods for the application of mechanical force to a gel/sensor assembly |
| JP2003240771A (en) * | 2002-02-15 | 2003-08-27 | Toyo Kizai Kagaku Kk | Specimen sampling tube with smearing rod |
| WO2011023176A2 (en) * | 2009-08-31 | 2011-03-03 | Sarstedt Ag & Co. | Swab system |
| CA2757811A1 (en) * | 2011-11-10 | 2013-05-10 | Labplas Inc. | Device for holding a sampling sponge |
| CN106442007A (en) * | 2016-10-14 | 2017-02-22 | 杭州序列网络科技有限公司 | Excrement sampling device |
| CN208109861U (en) * | 2018-05-08 | 2018-11-16 | 朱应乾 | A kind of liver and gall surgical department's assay specimen processing unit |
| CN209247387U (en) * | 2018-11-12 | 2019-08-13 | 安阳市校创易电子商务有限公司 | Sampler is used in a kind of detection of cosmetics |
| CN111896326A (en) * | 2020-08-04 | 2020-11-06 | 璁稿己 | Concatenation formula oil sampling subassembly |
| CN112302298A (en) * | 2020-10-28 | 2021-02-02 | 湖南旺佳环保智能科技有限公司 | Standardized construction of diatom mud is with evenly smearing device |
| CN217006394U (en) * | 2021-05-27 | 2022-07-19 | 大连海事大学 | Smearing sampling device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9925647B2 (en) * | 2011-11-10 | 2018-03-27 | Labplas Inc. | Device for holding a sampling sponge |
| EP3612808B1 (en) * | 2017-04-20 | 2022-08-17 | Institute for Environmental Health, Inc. | Apparatus for sampling surfaces |
-
2021
- 2021-05-27 CN CN202110587191.6A patent/CN113252382B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6398562B1 (en) * | 1998-09-17 | 2002-06-04 | Cygnus, Inc. | Device and methods for the application of mechanical force to a gel/sensor assembly |
| DE10011235A1 (en) * | 2000-03-08 | 2001-09-20 | Max Planck Gesellschaft | Manually-operated coring sampler for e.g. gels, tissues or vegetable matter, includes unit producing pressure or suction inside coring cutter |
| JP2003240771A (en) * | 2002-02-15 | 2003-08-27 | Toyo Kizai Kagaku Kk | Specimen sampling tube with smearing rod |
| WO2011023176A2 (en) * | 2009-08-31 | 2011-03-03 | Sarstedt Ag & Co. | Swab system |
| CA2757811A1 (en) * | 2011-11-10 | 2013-05-10 | Labplas Inc. | Device for holding a sampling sponge |
| CN106442007A (en) * | 2016-10-14 | 2017-02-22 | 杭州序列网络科技有限公司 | Excrement sampling device |
| CN208109861U (en) * | 2018-05-08 | 2018-11-16 | 朱应乾 | A kind of liver and gall surgical department's assay specimen processing unit |
| CN209247387U (en) * | 2018-11-12 | 2019-08-13 | 安阳市校创易电子商务有限公司 | Sampler is used in a kind of detection of cosmetics |
| CN111896326A (en) * | 2020-08-04 | 2020-11-06 | 璁稿己 | Concatenation formula oil sampling subassembly |
| CN112302298A (en) * | 2020-10-28 | 2021-02-02 | 湖南旺佳环保智能科技有限公司 | Standardized construction of diatom mud is with evenly smearing device |
| CN217006394U (en) * | 2021-05-27 | 2022-07-19 | 大连海事大学 | Smearing sampling device |
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| Publication number | Publication date |
|---|---|
| CN113252382A (en) | 2021-08-13 |
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