CN211122542U - Sampler for detecting pesticide residue of agricultural products - Google Patents

Sampler for detecting pesticide residue of agricultural products Download PDF

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Publication number
CN211122542U
CN211122542U CN201921375307.4U CN201921375307U CN211122542U CN 211122542 U CN211122542 U CN 211122542U CN 201921375307 U CN201921375307 U CN 201921375307U CN 211122542 U CN211122542 U CN 211122542U
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CN
China
Prior art keywords
sample cup
sample
pesticide residue
sampler
agricultural products
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.)
Expired - Fee Related
Application number
CN201921375307.4U
Other languages
Chinese (zh)
Inventor
夏怀翔
赵华芝
严章飞
孔玉萍
张强
方栋
段志祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Hongyuan Occupational Health Technology Service Co ltd
Original Assignee
Anhui Hongyuan Occupational Health Technology Service Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Hongyuan Occupational Health Technology Service Co ltd filed Critical Anhui Hongyuan Occupational Health Technology Service Co ltd
Priority to CN201921375307.4U priority Critical patent/CN211122542U/en
Application granted granted Critical
Publication of CN211122542U publication Critical patent/CN211122542U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to the technical field of agricultural detection, concretely relates to agricultural product pesticide residue detects uses sampler, including base and stabilizer blade, the stabilizer blade is fixed to be set up at four turnings of base lower surface, the upper surface of base is fixed with the pillar, be connected with the fixed plate on the pillar, be fixed with the sample glass frame on the fixed plate, a plurality of sample cup accommodation holes have been seted up on the sample glass frame, be fixed with the sample cup in the sample cup accommodation hole, the bottom of sample cup is connected with the fluid-discharge tube, be provided with the pipeline valve on the fluid-discharge tube, be connected with many horizontal pipes along different level height positions on the left surface of sample cup; the utility model has the advantages of being simple in structure and simple in operation, can carry out pesticide residue concentration detection to the layering liquid of different height positions in the sample cup, it is higher for current detection precision to detect the structure, and its practicality is stronger.

Description

Sampler for detecting pesticide residue of agricultural products
Technical Field
The utility model relates to an agricultural detection technology field, concretely relates to agricultural product pesticide residue detects uses sampler.
Background
In the field of food safety, the method is very important for analyzing and detecting pesticide residues in agricultural products. The existing detection of pesticide residues in agricultural products not only remains in the detection of pesticides on the surfaces of fruits, vegetables and the like, but also focuses on the detection of pesticides in meat of the agricultural products. When pesticide residue is detected on the internal meat quality of agricultural products, in order to fully extract the internal pesticides of the agricultural products, the agricultural products need to be crushed, pulped, filtered and subjected to centrifugal oscillation treatment, so that the pesticide residues in the agricultural products are fully dissolved in an extraction solvent, then a dropper or other samplers are used for sucking the solution in a test tube after the treatment and dripping the solution on enzyme test paper made of cholinesterase and a color developing agent for reaction, then the color change of the test paper is observed for detecting the concentration of the pesticide residues in the agricultural products, but liquid stratification is easy to occur after pulp or vegetables are crushed, pulped, filtered and subjected to centrifugal oscillation in a sample cup, and the liquid on each layer can not be effectively sucked and detected when the burette is used for sucking.
The utility model with the patent number of CN208833669U discloses an agricultural product pesticide residue detection device, which comprises a base, a reaction table, a stand column, a sampling table, a sealing cover, a sampling cup, a switch, a flow guide pipe, a reaction tube and a reaction cup, wherein the stand column is vertically arranged on the table surface of the base; although the device can detect the size of agricultural product pesticide residue concentration, because sample cup bottom passes through honeycomb duct and reaction cup intercommunication, the extract that leads to when detecting all is the solution of sample cup bottom, consequently can not the accurate size of detecting pesticide residue concentration in every liquid layer. In view of the above technical problems, the invention provides a sampler for detecting pesticide residue in agricultural products, which is used for accurately extracting the extracting solution in each layer of a sample cup and accurately detecting the concentration of pesticide residue.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a sampler for detecting pesticide residue of agricultural products is designed, can carry out pesticide residue concentration detection to the extract of co-altitude not in the sample cup to improve the accuracy that pesticide residue detected.
The utility model discloses a realize through following technical scheme:
a sampler for detecting pesticide residues of agricultural products comprises a base and supporting legs, wherein the supporting legs are fixedly arranged at four corners of the lower surface of the base, a supporting column is fixed on the upper surface of the base, a fixing plate is connected onto the supporting column, a sample cup holder is fixed onto the fixing plate, a plurality of sample cup accommodating holes are formed in the sample cup holder, sample cups are fixed in the sample cup accommodating holes, the bottom ends of the sample cups are connected with a liquid discharge pipe, a pipeline valve is arranged on the liquid discharge pipe, a plurality of horizontal pipes are connected to the left side surface of each sample cup along different horizontal height positions, the end parts of the horizontal pipes extending into the inner cavity of each sample cup are connected with liquid inlet end parts, a filter screen is arranged on a liquid inlet of each liquid inlet end part, manual valves are arranged on the horizontal pipes outside the sample cups, the left ends of the plurality of the horizontal pipes are jointly connected with vertical water pipes, and a sample, the sealed case of depositing of vertical water pipe and sample communicates mutually, the sealed left end of depositing the case upper surface of sample is connected with the rubber tube, be provided with first sealing clamp on the rubber tube, the outer end of rubber tube is connected with negative pressure drainage ball, the outer end of negative pressure drainage ball is connected with the plug, the sealed lower surface of depositing the case of sample is connected with the dropping liquid pipe, the lower extreme that the dropping liquid pipe passed the fixed plate is provided with the second sealing clamp, the tail end of dropping liquid pipe is provided with the burette head, is located to be provided with the test paper on the base of burette head below and places the board.
As a further improvement of the scheme, the upper surface of the test paper placing plate is provided with a drainage groove, the drainage groove is provided with a filtrate permeable net, when liquid to be detected is dripped on the test paper, the redundant unabsorbed liquid can permeate the filtrate permeable net and flow out of the drainage groove, and the liquid residue on the test paper placing plate cannot be caused.
As a further improvement of the scheme, a rubber plug is arranged at an upper end opening of the sample cup, a plurality of air pressure balance holes are formed in the rubber plug, and the rubber plug is plugged at the upper end opening of the sample cup to prevent components in the liquid from fully contacting and reacting with air, so that the detection result of pesticide residues is influenced.
As a further improvement of the scheme, a dropping liquid pipe hook is arranged on the lower surface of the fixing plate on the right side of the dropping liquid pipe, and the dropping liquid pipe can be placed on the dropping liquid pipe hook when pesticide residue detection is not carried out.
As a further improvement of the scheme, the negative pressure drainage ball and the rubber tube are both made of silica gel, and the negative pressure drainage ball and the rubber tube are soft and corrosion resistant according to the unique property of the silica gel, and have long service life.
As a further improvement of the scheme, four horizontal tubes are connected to the left side surface of each sample cup, so that the pesticide concentration of the liquid at each horizontal height is detected, and the detection effect is accurate.
Has the advantages that: compared with the prior art, the utility model, through will go through the breakage, the making beating, the liquid that filters and centrifugal oscillation handle is put into the appearance cup and is waited to stratify the back, the flat negative pressure drainage ball of pressure, and use the plug to seal it, then open the manual valve on the corresponding horizontal pipe according to the level that needs detected liquid, open the first sealing clamp on the rubber tube again, make the sealed case of depositing of sample form the negative pressure under the effect of negative pressure drainage ball, inhale the liquid in the appearance cup in the sealed case of depositing of sample fast, lay the test paper that detects at last at the test paper board, use and open the second sealing clamp, use the dripper head to introduce liquid on the test paper reaction detection; the utility model discloses simple structure, detection are convenient, can detect the liquid of co-altitude department in the sample cup for the pesticide residue concentration result that detects is more accurate, and the practicality is strong.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a front view plane of the present invention;
fig. 2 is a schematic top plan view of the present invention;
fig. 3 is a schematic view of the internal structure of the sample cup of the present invention.
The test paper box comprises a base 1, a support 2, a support 3, a support 4, a fixing plate 5, a sample cup holder 6, a sample cup 7, a liquid discharge pipe 8, a pipeline valve 9, a horizontal pipe 10, a liquid inlet end 11, a manual valve 12, a vertical water pipe 13, a sample sealed storage box 14, a rubber pipe 15, a first sealing clamp 16, a negative pressure drainage ball 17, a rubber plug 17, a liquid dropping pipe 18, a second sealing clamp 19, a liquid dropping pipe head 20, a test paper placing plate 21, a drainage groove 22, a filtrate penetrating net 23, a rubber plug 24, an air pressure balancing hole 25 and a liquid dropping pipe hook 26.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1-3, a sampler for detecting pesticide residue in agricultural products comprises a main frame body including a base 1 and support legs 2, wherein the support legs 2 are fixed at four corners of the lower surface of the base 1, a pillar 3 is fixed on the upper surface of the base 1, the upper end of the pillar 3 is connected with a fixing plate 4, a sample cup holder 5 is fixedly arranged on the fixing plate 4, a plurality of sample cup accommodating holes (not shown in the figure) are formed in the sample cup holder 5, a sample cup 6 is fixed in the sample cup accommodating holes, and the sample cup 6 is preferably a glass with high transparency, so that a detector can observe liquid in the sample cup conveniently.
The bottom end of the sample cup 6 is connected with a liquid discharge pipe 7, and the bottom end of the liquid discharge pipe 7 extends out of the fixing plate 4 for discharging liquid. A pipeline valve 8 is arranged on the liquid discharge pipe 7, a plurality of horizontal pipes 9 (three are arranged in the embodiment) are connected on the left side surface of the sample cup 6 along different horizontal heights, the end part of the horizontal pipe 9 extending into the inner cavity of the sample cup 6 is connected with a liquid inlet end part 10, a filter screen (not marked in the figure) is arranged on a liquid inlet of the liquid inlet end part 10, a manual valve 11 is arranged on the horizontal pipe 9 positioned outside the sample cup 6, the left ends of the plurality of horizontal pipes 9 are commonly connected with a vertical water pipe 12, a sample sealing storage box 13 is arranged on the fixing plate 4 on the left side of the sample cup frame 5, the vertical water pipe 12 is communicated with the sample sealing storage box 13, then a rubber pipe 14 is connected to the left end of the upper surface of the sample sealing storage box 13, a first sealing clamp 15 is arranged on the rubber pipe, the outer end of the rubber pipe 14 is connected with a negative pressure drainage ball 16, the outer end of the negative pressure drainage ball 16 is connected with a rubber plug 17, and the negative pressure drainage ball 16 and the rubber pipe 14 are both made of silica gel.
A dropping tube 18 is connected to the lower surface of the sealed sample storage box 13, a second sealing clamp 19 is arranged at the lower end of the dropping tube 18 penetrating through the fixing plate 4, a dropping tube head 20 is arranged at the tail end of the dropping tube 18, and a dropping tube hook 26 is arranged on the lower surface of the fixing plate 4 on the right side of the dropping tube head to enable the dropping tube 18 to be conveniently placed when not in use. A test paper placing plate 21 is arranged on the base 1 below the dropper head 20, a drainage groove 22 is formed in the upper surface of the test paper placing plate 21, and a filtrate permeable net 23 is laid on the drainage groove 22.
Finally, in order to prevent the sample cup 6 from being in an open state for a long time, which causes the liquid to react and deteriorate to influence the detection result, a rubber plug 24 is arranged at the upper end opening of the sample cup 6, and a plurality of air pressure balance holes 25 are arranged on the rubber plug 24.
The utility model discloses a concrete implementation is used:
before agricultural products such as melons, fruits, vegetables and the like are subjected to pesticide residue concentration detection, the surfaces of the agricultural products such as melons, fruits, vegetables and the like are cleaned, liquid is poured into the agricultural products from an opening in the upper end of the sample cup 6 after crushing, pulping, filtering and centrifugal oscillation treatment, and then the rubber plug 24 is covered to prevent the liquid from reacting with air due to long-time contact, so that the measuring result is inaccurate. Then test paper made of cholinesterase and a color developing agent is laid on a filtrate permeable net 23 of a test paper placing plate 21, a first sealing clamp 15, a second sealing clamp 19 and a manual valve 11 are closed, a rubber plug 17 is covered after a negative pressure drainage ball 16 is deflated, the manual valve 11 and the first sealing clamp 15 on a horizontal pipe 9 are opened according to the height of liquid to be detected in a sample cup 6, the liquid in the sample cup 6 is quickly introduced into a sample sealing storage box 13 through the negative pressure effect, a dropper head 20 is aligned with the test paper, and the second sealing clamp 19 is opened, so that all the liquid in the sample sealing storage box 13 is dripped on the test paper, and redundant liquid is drained away along a drainage groove 22.
The method is repeated, the pesticide concentration of the liquid with different heights in the sample tube 6 can be detected, and finally, the pipeline valve 8 on the liquid discharge tube 7 is opened to drain the liquid in the sample cup 6 after the detection is finished.
The utility model has the advantages of being simple in structure and simple in operation, can carry out pesticide residue concentration detection to the layering liquid of different height positions in the sample cup, it is higher for current detection precision to detect the structure, and its practicality is stronger.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (6)

1. The utility model provides an agricultural product pesticide residue detects uses sampler, includes base and stabilizer blade, its characterized in that: the supporting legs are fixedly arranged at four corners of the lower surface of the base, the upper surface of the base is fixedly provided with a supporting column, the supporting column is connected with a fixed plate, a sample cup holder is fixed on the fixed plate, a plurality of sample cup accommodating holes are formed in the sample cup holder, sample cups are fixed in the sample cup accommodating holes, the bottom ends of the sample cups are connected with a liquid discharge pipe, a pipeline valve is arranged on the liquid discharge pipe, a plurality of horizontal pipes are connected to the left side surface of each sample cup along different horizontal height positions, the end parts of the horizontal pipes extending into the inner cavity of each sample cup are connected with liquid inlet end parts, filter screens are arranged on liquid inlets of the liquid inlet end parts, manual valves are arranged on the horizontal pipes outside the sample cups, the left ends of the horizontal pipes are jointly connected with a vertical water pipe, a sample sealed storage box is arranged on the fixed plate on the left side of the sample cup holder, the left end that the sealed case upper surface of depositing of sample is connected with the rubber tube, be provided with first sealing clamp on the rubber tube, the outer end of rubber tube is connected with negative pressure drainage ball, negative pressure drainage ball's outer end is connected with the plug, the sealed lower surface of depositing the case of sample is connected with the dropping liquid pipe, the lower extreme that the dropping liquid pipe passed the fixed plate is provided with the second sealing clamp, the tail end of dropping liquid pipe is provided with the burette head, is located to be provided with the test paper on the base of burette head below and places the board.
2. The sampler for detecting pesticide residue on agricultural products according to claim 1, wherein: the upper surface of the test paper placing plate is provided with a drainage groove, and the drainage groove is provided with a filtrate permeable net.
3. The sampler for detecting pesticide residue on agricultural products according to claim 1, wherein: the upper end opening of the sample cup is provided with a rubber plug, and the rubber plug is provided with a plurality of air pressure balance holes.
4. The sampler for detecting pesticide residue on agricultural products according to claim 1, wherein: and a dropping liquid pipe hook is arranged on the lower surface of the fixing plate on the right side of the dropping liquid pipe.
5. The sampler for detecting pesticide residue on agricultural products according to claim 1, wherein: the negative pressure drainage ball and the rubber tube are respectively a silica gel negative pressure drainage ball and a silica gel hose made of silica gel.
6. The sampler for detecting pesticide residue on agricultural products according to claim 1, wherein: four horizontal tubes are connected to the left side surface of each sample cup.
CN201921375307.4U 2019-08-23 2019-08-23 Sampler for detecting pesticide residue of agricultural products Expired - Fee Related CN211122542U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921375307.4U CN211122542U (en) 2019-08-23 2019-08-23 Sampler for detecting pesticide residue of agricultural products

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921375307.4U CN211122542U (en) 2019-08-23 2019-08-23 Sampler for detecting pesticide residue of agricultural products

Publications (1)

Publication Number Publication Date
CN211122542U true CN211122542U (en) 2020-07-28

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ID=71704738

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921375307.4U Expired - Fee Related CN211122542U (en) 2019-08-23 2019-08-23 Sampler for detecting pesticide residue of agricultural products

Country Status (1)

Country Link
CN (1) CN211122542U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022134373A1 (en) * 2020-12-25 2022-06-30 环必静(苏州)环境科技有限公司 Portable water body micro-surface pollutant detection device and method for using same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022134373A1 (en) * 2020-12-25 2022-06-30 环必静(苏州)环境科技有限公司 Portable water body micro-surface pollutant detection device and method for using same

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200728

Termination date: 20210823