CN116839994A - Quick pesticide concentration detection sampling equipment and sampling method thereof - Google Patents
Quick pesticide concentration detection sampling equipment and sampling method thereof Download PDFInfo
- Publication number
- CN116839994A CN116839994A CN202310989306.3A CN202310989306A CN116839994A CN 116839994 A CN116839994 A CN 116839994A CN 202310989306 A CN202310989306 A CN 202310989306A CN 116839994 A CN116839994 A CN 116839994A
- Authority
- CN
- China
- Prior art keywords
- lifting rod
- sampling
- sampling tube
- guide
- pesticide concentration
- 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.)
- Pending
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 95
- 239000000575 pesticide Substances 0.000 title claims abstract description 31
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 13
- 239000003814 drug Substances 0.000 claims description 10
- 238000012031 short term test Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 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
- 238000005086 pumping Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying 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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- 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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
- G01N2001/1427—Positive displacement, piston, peristaltic
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical 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 relates to the technical field of pesticide detection sampling tools, in particular to a rapid pesticide concentration detection sampling device and a sampling method thereof. The invention is convenient for suction sampling operation, and the lifting rod can be detached and independently placed, thereby being convenient for use.
Description
Technical Field
The invention relates to the technical field of pesticide detection sampling tools, in particular to pesticide concentration rapid detection sampling equipment and a pesticide concentration rapid detection sampling method.
Background
When carrying out the operation of spraying of pesticide in the farmland, once the pesticide concentration that sprays exceeds the standard after, can bring harm to human body and surrounding environment in certain time, in order to detect whether the pesticide concentration that sprays in the farmland exceeds standard, generally need utilize quick check out test set to detect the operation, because the great quick check out test set of volume generally places in the laboratory use, or portable quick check out test set generally also does not directly place in the farmland use, at this moment, just need to use corresponding sampling equipment to carry out the sample again and detect the operation to corresponding check out test set position after the sample.
The sampling devices are widely used in the market, wherein most of the sampling devices are generally in the shape of a syringe, and the sampling devices suck samples into corresponding cylinders along with the movement of pistons to finish sampling operation, but when the sampling devices are used, the pistons on the sampling devices are fixedly connected with the corresponding suction connecting rod parts, so that the sampling devices can finish suction and injection operation, however, after the sampling by suction, the piston moves from the bottom to the top of the corresponding cylinder, so that the suction connecting rod stretches out excessively long, the suction connecting rod and the piston cannot be disassembled, more space is occupied due to the fact that the suction connecting rod stretches out excessively long, and meanwhile, the suction connecting rod stretches out excessively long to prevent carrying and other operations, so that inconvenience is brought to a user. In view of the above, we propose a rapid pesticide concentration detection sampling device and a sampling method thereof.
Disclosure of Invention
The invention aims to provide a rapid pesticide concentration detection sampling device so as to solve the defects in the background technology.
In order to achieve the above object, one of the purposes of the present invention is to provide a rapid pesticide concentration detecting and sampling device, which comprises a sampling tube, wherein two guide strips which are symmetrical to each other and are arranged along the length direction of the sampling tube are fixedly installed on the inner wall of the sampling tube, a suction assembly is arranged in the sampling tube, the suction assembly comprises a piston which is arranged in the sampling tube and is in sliding connection with the sampling tube and the guide strips, a guide protruding block is fixedly installed on the top surface of the piston, a threaded sleeve which is vertically arranged is fixedly installed at the center position of the top surface of the guide protruding block, a lifting rod is arranged in the sampling tube, a stud is fixedly installed at the bottom end of the lifting rod, and the stud is positioned in the threaded sleeve and is in threaded connection with the threaded sleeve.
As a preferred technical scheme of the invention, the size of the guide lug is matched with the size of the sampling tube, so that the guide lug can stably slide in the sampling tube.
As a preferable technical scheme of the invention, the bottom end of the sampling tube is fixedly provided with a threaded tube, and the bottom end of the threaded tube is fixedly provided with a suction tube, so that the suction tube is conveniently inserted into the liquid medicine for suction operation.
As a preferable technical scheme of the invention, the suction tube is sleeved with the thread sleeve, the thread sleeve is connected with the thread tube in a threaded manner, and after the thread sleeve is sleeved on the suction tube, the liquid medicine on the suction tube can be prevented from dripping to other parts.
As a preferable technical scheme of the invention, the top end of the lifting rod is fixedly provided with the lifting ring, so that the lifting ring is held for operation more conveniently.
As a preferable technical scheme of the invention, two mutually symmetrical sliding grooves are arranged on the annular side surface of the piston, and the guide strip is positioned at the sliding groove part, so that the piston can normally slide in the sampling tube.
As a preferable technical scheme of the invention, the top of the threaded sleeve is fixedly provided with the flaring sleeve for inserting the stud, so that the stud is screwed on the threaded sleeve smoothly after being inserted along the flaring sleeve.
As a preferable technical scheme of the invention, an upper limit ring and a lower limit ring which are symmetrical with each other are fixedly arranged on a rod body at the bottom end of the lifting rod, a guide disc is arranged between the two limit rings, the lifting rod passes through the guide disc and is rotationally connected with the guide disc, two guide grooves which are symmetrical with each other are arranged on the guide disc, the guide strip is positioned at the guide groove part, and the guide disc is in sliding connection with the sampling tube and the guide strip, so that the lifting rod can be guided after the guide disc is inserted into the sampling tube, the lifting rod is positioned right above the threaded sleeve, and the subsequent screwing operation is convenient.
The second object of the present invention is to provide a sampling method of a rapid pesticide concentration detecting and sampling device, comprising the rapid pesticide concentration detecting and sampling device, specifically comprising the following steps:
s1, firstly inserting a guide disc into a sampling tube, then pushing a lifting rod downwards until the lifting rod is inserted from a flaring sleeve part, and then rotating the lifting rod to drive a stud to rotate, so that the stud is screwed on a threaded sleeve, and finally, fixedly mounting a piston on the lifting rod;
s2, continuously pushing the lifting rod downwards until the piston is driven to move to the bottom of the sampling tube;
s3, taking down the threaded sleeve, and inserting the suction tube into pesticide liquid to be detected;
s4, moving the lifting rod outwards to drive the piston to move upwards so as to suck the liquid medicine into the sampling tube;
s5, reversely rotating the lifting rod after the liquid medicine is pumped into the sampling tube, so that the stud is separated from the threaded sleeve;
s6, pulling out the lifting rod outwards, and finally placing the lifting rod independently, so that the lifting rod cannot extend outwards to too long to prevent other operations.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arranged sampling tube and the suction assembly, the stud on the lifting rod is in threaded connection with the threaded sleeve on the piston, so that the stud is conveniently screwed on the threaded sleeve, then the lifting rod is moved to drive the piston to move for sucking and sampling and extruding samples, and after sampling is finished, the lifting rod is unscrewed, so that the lifting rod can be prevented from extending outwards too much to influence carrying, and the effects of detachable and convenient carrying of the lifting rod are achieved.
2. According to the invention, after the guide disc is arranged in the sampling tube through the flaring sleeve and the guide disc, the lifting rod and the threaded sleeve are ensured to be positioned on the same vertical axis, so that subsequent screw bolt screwing and unscrewing operations are facilitated.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of an explosive structure according to the present invention;
FIG. 3 is a schematic view of the suction assembly of the present invention;
fig. 4 is a schematic view of an exploded construction of the pumping assembly of the present invention.
The meaning of each reference numeral in the figures is:
1. a sampling tube; 10. a threaded tube; 11. a suction tube; 12. a thread sleeve; 13. a guide bar;
2. a suction assembly; 20. a lifting rod; 201. a pull ring is lifted; 21. a limiting ring; 22. a guide disc; 221. a guide groove; 23. a stud; 24. a piston; 241. a chute; 25. a guide projection; 26. a threaded sleeve; 27. and (5) flaring the sleeve.
Description of the embodiments
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.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a quick detection sampling equipment of pesticide concentration, including sampling tube 1, fixed mounting has two mutual symmetry and along the gib 13 that sampling tube 1 length direction set up on the inner wall of sampling tube 1, be provided with suction subassembly 2 in the sampling tube 1, suction subassembly 2 is including setting up in sampling tube 1 and with sampling tube 1 and gib 13 between sliding connection's piston 24, fixed mounting has direction lug 25 on the top surface of piston 24, the top surface central point department fixed mounting of direction lug 25 has the screw sleeve 26 that is vertical form setting, be provided with lifting rod 20 in the sampling tube 1, lifting rod 20's bottom fixed mounting has double-screw 23, double-screw 23 is located screw sleeve 26 and with screw connection between the screw sleeve 26, guarantee when using, screw 23 is screwed up on screw sleeve 26, then along with lifting rod 20's external traction, realize the operation of sucking, after the sample, can unscrew lifting rod 20 and place alone, make lifting rod 20 can not outwards stretch out and influence and carry and other things.
In this embodiment, the size of the guide projection 25 is adapted to the size of the sampling tube 1, so that the guide projection 25 can stably slide in the sampling tube 1.
Specifically, the bottom end of the sampling tube 1 is fixedly provided with a threaded tube 10, and the bottom end of the threaded tube 10 is fixedly provided with a suction tube 11, so that the suction tube 11 is conveniently inserted into the liquid medicine for suction operation; the suction tube 11 is provided with a screw sleeve 12, the screw sleeve 12 is connected with the screw tube 10 by screw, and after the screw sleeve 12 is sleeved on the suction tube 11, the liquid medicine on the suction tube 11 can be prevented from dripping to other parts.
Further, the lifting ring 201 is fixedly installed at the top end of the lifting rod 20, so that the lifting ring 201 is more convenient to hold for operation.
In addition, two mutually symmetrical sliding grooves 241 are formed in the annular side face of the piston 24, the guide strip 13 is located at the sliding groove 241, the piston 24 can normally slide in the sampling tube 1, and the size of the guide strip 13 is matched with the size of the sliding groove 241, so that tightness is guaranteed.
It should be noted that, the top of the threaded sleeve 26 is fixedly provided with a flaring sleeve 27 for inserting the stud 23, the flaring sleeve 27 is hollow and round, and the top inner diameter of the flaring sleeve 27 is larger than the bottom inner diameter, so that the stud 23 is screwed on the threaded sleeve 26 after being inserted along the flaring sleeve 27.
It is worth noting that the bottom rod body of the lifting rod 20 is fixedly provided with the upper limit ring 21 and the lower limit ring 21 which are symmetrical with each other, the guide disc 22 is arranged between the two limit rings 21, the lifting rod 20 passes through the guide disc 22 and is rotationally connected with the guide disc 22, the guide disc 22 is provided with the left guide groove 221 and the right guide groove 221 which are symmetrical with each other, the guide strip 13 is positioned at the position of the guide groove 221, the guide disc 22 is in sliding connection with the sampling tube 1 and the guide strip 13, so that after the guide disc 22 is inserted into the sampling tube 1, the lifting rod 20 can be guided, and the lifting rod 20 is positioned right above the threaded sleeve 26, thereby facilitating subsequent screwing operation.
The embodiment also provides a sampling method of the pesticide concentration rapid detection sampling device, which comprises the pesticide concentration rapid detection sampling device and specifically comprises the following steps:
s1, firstly inserting a guide disc 22 into a sampling tube 1, then pushing a lifting rod 20 downwards until the lifting rod 20 is inserted from a flaring sleeve 27, and then rotating the lifting rod 20 to drive a stud 23 to rotate, so that the stud 23 is screwed on a threaded sleeve 26, and finally, fixedly mounting a piston 24 on the lifting rod 20;
s2, pushing the lifting rod 20 downwards continuously until the piston 24 is driven to move to the bottom of the sampling tube 1;
s3, removing the threaded sleeve 12, and inserting the suction pipe 11 into pesticide liquid to be detected;
s4, moving the lifting rod 20 outwards to drive the piston 24 to move upwards so as to suck the liquid medicine into the sampling tube 1;
s5, after the liquid medicine is pumped into the sampling tube 1, reversely rotating the lifting rod 20 to separate the stud 23 from the threaded sleeve 26;
and S6, pulling out the lifting rod 20 outwards, and finally placing the lifting rod 20 independently, so that the lifting rod 20 does not extend outwards too much to prevent other operations.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a pesticide concentration short-term test sampling equipment, includes sampling tube (1), its characterized in that: two mutually symmetrical guide strips (13) arranged along the length direction of the sampling tube (1) are fixedly arranged on the inner wall of the sampling tube (1), a suction assembly (2) is arranged in the sampling tube (1), the suction assembly (2) comprises a piston (24) which is arranged in the sampling tube (1) and is in sliding connection with the sampling tube (1) and the guide strips (13), a guide lug (25) is fixedly arranged on the top surface of the piston (24), a threaded sleeve (26) which is vertically arranged is fixedly arranged at the center position of the top surface of the guide lug (25), a lifting rod (20) is arranged in the sampling tube (1), a stud (23) is fixedly arranged at the bottom end of the lifting rod (20), and the stud (23) is positioned in the threaded sleeve (26) and is in threaded connection with the threaded sleeve (26).
2. The rapid pesticide concentration detection sampling apparatus of claim 1, wherein: the size of the guide lug (25) is matched with the size of the sampling tube (1).
3. The rapid pesticide concentration detection sampling apparatus of claim 1, wherein: the bottom end fixed mounting of sampling tube (1) has screwed pipe (10), the bottom fixed mounting of screwed pipe (10) has suction tube (11).
4. A pesticide concentration rapid detection sampling apparatus according to claim 3, wherein: the suction pipe (11) is sleeved with a threaded sleeve (12), and the threaded sleeve (12) is in threaded connection with the threaded pipe (10).
5. The rapid pesticide concentration detection sampling apparatus of claim 1, wherein: the top end of the lifting rod (20) is fixedly provided with a lifting ring (201).
6. The rapid pesticide concentration detection sampling apparatus of claim 1, wherein: two mutually symmetrical sliding grooves (241) are formed in the annular side face of the piston (24), and the guide strip (13) is located at the sliding groove (241).
7. The rapid pesticide concentration detection sampling apparatus of claim 1, wherein: the top of the threaded sleeve (26) is fixedly provided with a flaring sleeve (27) for inserting the stud (23).
8. The rapid pesticide concentration detection sampling apparatus of claim 1, wherein: the utility model discloses a measuring device, including lifting rod (20), guide bar (13), guide bar (22) are provided with two limit rings (21) of mutual symmetry about fixed mounting on the bottom body of rod of lifting rod (20), two be provided with between limit rings (21) guide bar (22), lifting rod (20) pass guide bar (22) and with rotate between guide bar (22) and be connected, be provided with on guide bar (22) about two guide slots (221) of mutual symmetry, guide bar (13) are located guide slot (221) position, guide bar (22) with sliding connection between sampling tube (1) and guide bar (13).
9. A sampling method of a rapid pesticide concentration detection sampling device, comprising the rapid pesticide concentration detection sampling device according to any one of claims 1 to 8, characterized by comprising the following steps:
s1, firstly inserting a guide disc (22) into a sampling tube (1), then pushing a lifting rod (20) downwards until the lifting rod (20) is inserted from a flaring sleeve (27), and then rotating the lifting rod (20) to drive a stud (23) to rotate, so that the stud (23) is screwed on a threaded sleeve (26), and finally, fixedly mounting a piston (24) on the lifting rod (20);
s2, continuously pushing the lifting rod (20) downwards to drive the piston (24) to move to the bottom of the sampling tube (1);
s3, removing the threaded sleeve (12), and inserting the suction pipe (11) into pesticide liquid to be detected;
s4, moving the lifting rod (20) outwards to drive the piston (24) to move upwards so as to suck the liquid medicine into the sampling tube (1);
s5, after the liquid medicine is pumped into the sampling tube (1), reversely rotating the lifting rod (20) to separate the stud (23) from the threaded sleeve (26);
s6, pulling out the lifting rod (20) outwards, and finally placing the lifting rod (20) independently, so that the lifting rod (20) cannot extend outwards to too long to prevent other operations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310989306.3A CN116839994A (en) | 2023-08-08 | 2023-08-08 | Quick pesticide concentration detection sampling equipment and sampling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310989306.3A CN116839994A (en) | 2023-08-08 | 2023-08-08 | Quick pesticide concentration detection sampling equipment and sampling method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116839994A true CN116839994A (en) | 2023-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310989306.3A Pending CN116839994A (en) | 2023-08-08 | 2023-08-08 | Quick pesticide concentration detection sampling equipment and sampling method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116839994A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117969180A (en) * | 2024-04-01 | 2024-05-03 | 广州市哲铭油墨涂料有限公司 | Paint detects uses sampling device |
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| CN209783968U (en) * | 2019-04-18 | 2019-12-13 | 辽宁华一检测认证中心有限公司 | River water sampling device for environmental monitoring |
| CN211042764U (en) * | 2019-09-19 | 2020-07-17 | 魏小华 | Geological survey is with drilling formula sampling device |
| CN113218707A (en) * | 2021-04-21 | 2021-08-06 | 浙江升腾环境工程有限公司 | A sewage sampling device for environmental monitoring |
| CN215598780U (en) * | 2021-07-08 | 2022-01-21 | 钛和中谱检测技术(江苏)有限公司 | Aseptic sampling device is used in nuclear magnetism of honey organic component detection |
| CN216410703U (en) * | 2021-11-17 | 2022-04-29 | 两当县绿色富民产业开发有限责任公司 | A soil sampling device for agricultural development |
| CN218444629U (en) * | 2022-08-01 | 2023-02-03 | 青岛现代农化有限公司 | Be applied to safe environmental protection sampling device of weedicide pesticide production |
| CN219302039U (en) * | 2023-02-08 | 2023-07-04 | 北京福瑞润康生物技术有限公司 | Reagent sampling device |
-
2023
- 2023-08-08 CN CN202310989306.3A patent/CN116839994A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209783968U (en) * | 2019-04-18 | 2019-12-13 | 辽宁华一检测认证中心有限公司 | River water sampling device for environmental monitoring |
| CN211042764U (en) * | 2019-09-19 | 2020-07-17 | 魏小华 | Geological survey is with drilling formula sampling device |
| CN113218707A (en) * | 2021-04-21 | 2021-08-06 | 浙江升腾环境工程有限公司 | A sewage sampling device for environmental monitoring |
| CN215598780U (en) * | 2021-07-08 | 2022-01-21 | 钛和中谱检测技术(江苏)有限公司 | Aseptic sampling device is used in nuclear magnetism of honey organic component detection |
| CN216410703U (en) * | 2021-11-17 | 2022-04-29 | 两当县绿色富民产业开发有限责任公司 | A soil sampling device for agricultural development |
| CN218444629U (en) * | 2022-08-01 | 2023-02-03 | 青岛现代农化有限公司 | Be applied to safe environmental protection sampling device of weedicide pesticide production |
| CN219302039U (en) * | 2023-02-08 | 2023-07-04 | 北京福瑞润康生物技术有限公司 | Reagent sampling device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117969180A (en) * | 2024-04-01 | 2024-05-03 | 广州市哲铭油墨涂料有限公司 | Paint detects uses sampling device |
| CN117969180B (en) * | 2024-04-01 | 2024-05-28 | 广州市哲铭油墨涂料有限公司 | Paint detects uses sampling device |
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