CN113702101A - Pesticide residue detects uses extraction element - Google Patents
Pesticide residue detects uses extraction element Download PDFInfo
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- CN113702101A CN113702101A CN202111016479.4A CN202111016479A CN113702101A CN 113702101 A CN113702101 A CN 113702101A CN 202111016479 A CN202111016479 A CN 202111016479A CN 113702101 A CN113702101 A CN 113702101A
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- fixedly connected
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- pesticide residue
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- 239000000447 pesticide residue Substances 0.000 title claims abstract description 37
- 238000000605 extraction Methods 0.000 title claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 238000000227 grinding Methods 0.000 claims abstract description 29
- 235000013311 vegetables Nutrition 0.000 claims abstract description 29
- 235000013399 edible fruits Nutrition 0.000 claims abstract description 27
- 235000012055 fruits and vegetables Nutrition 0.000 claims abstract description 27
- 238000012360 testing method Methods 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 235000011389 fruit/vegetable juice Nutrition 0.000 claims abstract description 12
- 238000003860 storage Methods 0.000 claims description 18
- 230000001681 protective effect Effects 0.000 claims description 17
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 8
- 235000017491 Bambusa tulda Nutrition 0.000 description 8
- 241001330002 Bambuseae Species 0.000 description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 8
- 239000011425 bamboo Substances 0.000 description 8
- 239000000575 pesticide Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 235000013305 food Nutrition 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 1
- 231100000570 acute poisoning Toxicity 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008380 degradant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 210000004276 hyalin Anatomy 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005360 mashing Methods 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- NNKVPIKMPCQWCG-UHFFFAOYSA-N methamidophos Chemical compound COP(N)(=O)SC NNKVPIKMPCQWCG-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- PZXOQEXFMJCDPG-UHFFFAOYSA-N omethoate Chemical compound CNC(=O)CSP(=O)(OC)OC PZXOQEXFMJCDPG-UHFFFAOYSA-N 0.000 description 1
- LCCNCVORNKJIRZ-UHFFFAOYSA-N parathion Chemical compound CCOP(=S)(OCC)OC1=CC=C([N+]([O-])=O)C=C1 LCCNCVORNKJIRZ-UHFFFAOYSA-N 0.000 description 1
- RLBIQVVOMOPOHC-UHFFFAOYSA-N parathion-methyl Chemical compound COP(=S)(OC)OC1=CC=C([N+]([O-])=O)C=C1 RLBIQVVOMOPOHC-UHFFFAOYSA-N 0.000 description 1
- BULVZWIRKLYCBC-UHFFFAOYSA-N phorate Chemical compound CCOP(=S)(OCC)SCSCC BULVZWIRKLYCBC-UHFFFAOYSA-N 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
-
- 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
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
Abstract
The invention relates to an extraction device for detecting pesticide residues, which belongs to the field of pesticide residue detection and comprises a base, a support frame, a sliding base, a fruit and vegetable placing mechanism, a grinding mechanism and a test tube assembly. The top of support frame is equipped with grinds the mechanism. Sliding connection has a sliding base on the support frame, and sliding base's top is equipped with fruit vegetables placement machine and constructs, and sliding base can drive fruit vegetables placement machine and construct and slide from top to bottom along vertical direction in the below of grinding mechanism, and fruit vegetables placement machine constructs the residue and the juice that produces after the fruit vegetables pulverize, is equipped with between fruit vegetables placement machine and the sliding base and supports tight subassembly, is equipped with the positioning mechanism to sliding base position location on the support frame, and the top of base is equipped with the test tube subassembly. The device has realized the one-stop operation of fruit vegetables pesticide residue detection, and operation process is simple convenient, labour saving and time saving, and the fruit vegetables pulverize effectually to realize solid-liquid separation, guarantee detection effect.
Description
Technical Field
The invention relates to an extraction device for detecting pesticide residues, and belongs to the field of pesticide residue detection.
Background
The pesticide residue refers to a general term of pesticide parent, pesticide residue harm derivatives, metabolites, degradants and impurities which remain in the environment, organisms and foods after the pesticide is used. The main reason for the over-standard pesticide residue of vegetables is that organophosphorus pesticides and carbamate pesticides such as methamidophos, omethoate, phorate, parathion, methyl parathion and the like which are prohibited to be used in vegetable production in some countries. Acute poisoning accidents of people and livestock can be caused by eating food containing a large amount of highly toxic and extremely toxic pesticide residues.
In the pesticide detection, a sample of the agricultural product needs to be extracted. When extracting agricultural product sample, generally need pulverize these fruit vegetables sample, often use corresponding instrument among the prior art to pound the fruit vegetables, then extract residue and juice among them and detect, such mode of operation has increased staff's physical demands on the one hand, when mashing the fruit vegetables on the other hand, often does not good to its effect of pounding for data are inaccurate during the detection. And solid and liquid are mixed together after pounding, if need separate still need go to filter specially, very troublesome, to prior art not enough, we design a pesticide residue and detect and use extraction element, solve above-mentioned problem.
Disclosure of Invention
Technical problem to be solved
In view of the above disadvantages and shortcomings of the prior art, the invention provides an extraction device for pesticide residue detection, which solves the technical problems that the pesticide residue detection operation procedures of fruits and vegetables in the prior art are time-consuming and labor-consuming in dispersion, the operation cannot be performed in a one-stop mode, the crushing effect is poor, and solid and liquid cannot be automatically separated.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
the utility model provides a pesticide residue detects uses extraction element, includes that base, support frame, sliding base, fruit vegetables place the mechanism, grind mechanism and test tube subassembly, its characterized in that:
the supporting frame comprises a supporting bottom plate, a supporting top plate and a guide column vertically arranged between the supporting top plate and the supporting bottom plate; the supporting bottom plate is fixedly connected with the base;
the grinding mechanism is arranged on the supporting top plate;
the sliding base comprises a base main body, and the base main body is connected with the guide column in a sliding mode; the fruit and vegetable placing mechanism is arranged above the base main body, and the base main body can drive the fruit and vegetable placing mechanism to vertically slide below the grinding mechanism; the fruit and vegetable placing mechanism automatically separates residues and juice generated after fruit and vegetable crushing;
a plurality of abutting components are arranged between the fruit and vegetable placing mechanism and the base main body;
the support frame further comprises a positioning mechanism, and the positioning mechanism is used for fixing the position of the sliding base along the vertical direction;
the test tube subassembly with base fixed connection, and with the support frame interval sets up.
Preferably, the fruit and vegetable placing mechanism comprises a cylindrical barrel and a liquid storage barrel, the cylindrical barrel is arranged above the base main body, and the bottom of the cylindrical barrel is connected with the top of the base main body; the liquid storage cylinder is arranged between the base main body and the cylindrical cylinder and is detachably connected with the bottom of the cylindrical cylinder; and the bottom wall of the cylindrical barrel is provided with a liquid leakage hole which is communicated with the inner cavities of the cylindrical barrel and the liquid storage barrel.
Preferably, the plurality of abutting assemblies are arranged around the liquid storage barrel and are uniformly arranged along the circumferential direction of the cylindrical barrel.
Preferably, the abutting assembly comprises an accommodating pipe, a sliding column and an abutting spring; the bottom of the accommodating pipe is fixedly connected with the top of the base main body, and the top of the sliding column is fixedly connected with the bottom of the cylindrical barrel; the sliding column is inserted into the inner cavity of the accommodating tube; the abutting spring is arranged in the inner cavity of the accommodating tube along the vertical direction, the bottom of the abutting spring is fixedly connected with the bottom wall of the accommodating tube, and the top of the abutting spring is fixedly connected with the bottom of the sliding column.
Preferably, the grinding mechanism comprises a motor body, and the motor body is fixedly connected to the top of the supporting top plate; the output end of the motor body is fixedly connected with a motor rotating shaft; the motor rotating shaft penetrates through the supporting top plate to extend downwards, and the extending end of the motor rotating shaft is fixedly connected with a cylindrical grinding head; the cylindrical grinding bit is sized to be received within the cylindrical barrel.
Preferably, the bottom of the supporting top plate is fixedly connected with a protective cover, and the protective cover is arranged in a size capable of being sleeved on the outer side of the cylindrical barrel.
Preferably, two sides of the base main body are fixedly connected with side supporting plates in a symmetrical manner, one end of each side supporting plate, which is far away from the base main body, is fixedly connected with a guide sleeve, and the guide sleeves are arranged on the upper side and the lower side of the side supporting plates in a manner of penetrating through the side supporting plates; the guide sleeve is movably sleeved on the corresponding guide column.
Preferably, the positioning mechanism comprises a limiting fixing column, a connecting block, a connecting cover, a pawl block and a ratchet;
the limiting fixing column is vertically arranged between the supporting top plate and the supporting bottom plate; the limiting fixing columns are symmetrically arranged relative to the guide column and are positioned on the outer side of the guide column; the side wall of one side, close to the guide column, of the limiting fixing column is provided with the ratchet;
the connecting block is fixedly connected with the circumferential outer wall of the guide sleeve, one side, close to the limiting fixing column, of the connecting block is fixedly connected with the connecting cover, and the pawl block is arranged inside the connecting cover; the side wall of the connecting cover facing the limit fixing column is at least partially opened, and the pawl block can extend out of the connecting cover and be engaged with the ratchet and can also retract into the connecting cover so as to be disengaged from the ratchet.
Preferably, the positioning mechanism further comprises a clamping spring, and the clamping spring is arranged between the pawl block and the inner wall of the connecting cover; the top and the bottom of the pawl block are fixedly connected with clamping posts, the top and the bottom of the connecting cover are provided with clamping grooves corresponding to the clamping posts, and the clamping posts can slide in the clamping grooves; and the clamping column is fixedly connected with a handle.
Preferably, the test tube assembly comprises a base sleeve, a transparent tube, a protective sleeve and a test tube body; the base cover is fixedly connected with the base, the top of the base cover is fixedly connected with the transparent tube, the top of the transparent tube is fixedly connected with the protective sleeve, and the test tube body is movably inserted into the inner cavities of the base cover, the transparent tube and the protective sleeve.
Advantageous effects
The invention has the beneficial effects that:
1. this extraction element is used in pesticide residue detects can conveniently pulverize the fruit vegetables that need detect the pesticide residue condition to fruit vegetables after will pulverizing are residue and juice, realize that the solid-liquid separately detects, guarantee detection effect. And when crushing fruit vegetables, the operation process of whole device is simple convenient, labour saving and time saving, and the laminating is inseparable between a cylindricality section of thick bamboo and the cylindricality grinding head, guarantees to crush effectual to fruit vegetables, utilizes the liquid storage cylinder convenience to collect liquid, finally places and waits to detect inside the test tube body, therefore has realized the one-stop formula operation that fruit vegetables pesticide residue detected, conveniently carries out the sample to fruit vegetables and draws, satisfies the user demand.
2. The extraction device for pesticide residue detection prevents juice from splashing when the cylindrical grinding head rotates and grinds by arranging the protective cover at the outer side of the whole cylindrical barrel,
3. this extraction element for pesticide residue detects supports tight subassembly through the setting, after upwards promoting the fruit vegetables and the cylindricality grinding head in the sliding base until the cylindricality section of thick bamboo and offset, continues upwards to promote the sliding base for support the compression of tight spring, after supporting the compression of tight spring, support the spring and apply vertical ascending thrust for the cylindricality section of thick bamboo, thereby guarantee to have certain pressure between the fruit vegetables and the cylindricality grinding head in the cylindricality section of thick bamboo, ensure to pulverize effectually.
4. This extraction element for pesticide residue detects through setting up positioning mechanism for the operator can conveniently guide sliding base to slide along vertical direction, and fix sliding base along vertical direction's position.
Drawings
FIG. 1 is a view showing the construction of an extraction apparatus for detecting pesticide residue according to the present invention;
FIG. 2 is a perspective view of the main body of the apparatus of the present invention;
FIG. 3 is a front view of the body of the device of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a structural view of a grinding mechanism in the present invention;
FIG. 6 is a view showing a structure of a slide base in the present invention;
FIG. 7 is a structural view of a positioning mechanism in the present invention;
FIG. 8 is a block diagram of a cuvette assembly according to the invention;
fig. 9 is a structural view of the fruit and vegetable placing mechanism in the present invention.
[ description of reference ]
1: a base;
2: a support frame; 201: a support base plate; 202: a guide post; 203: supporting a top plate;
3: a slide base; 301: a base body; 302: a side support plate; 303: a guide sleeve;
4: a fruit and vegetable placing mechanism;
401: a cylindrical barrel; 402: a weep hole; 403: a liquid storage cartridge; 4031: a threaded pipe orifice; 404: a threaded ring;
5: a grinding mechanism;
501: a motor body; 502: a motor shaft; 503: a cylindrical grinding head; 504: a protective cover;
6: a positioning mechanism;
601: limiting and fixing columns; 6011: a ratchet; 602: connecting blocks; 603: a connecting cover; 604: a pawl block; 605: a chucking spring; 606: a position clamping column; 607: a clamping groove; 608: a handle;
7: a cuvette assembly;
701: a base sleeve; 702: a transparent tube; 703: a protective sleeve; 704: a test tube body;
8: a propping component;
801: accommodating the tube; 802: a sliding post; 803: the spring is pressed tightly.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings. As used herein, the terms "upper", "lower", and the like are used with reference to the orientation of FIG. 1.
The invention provides an extraction device for detecting pesticide residues, which comprises a base 1, a support frame 2, a sliding base 3, a fruit and vegetable placing mechanism 4, a grinding mechanism 5 and a test tube assembly 7, as shown in figures 1-9. Support frame 2 and test tube subassembly 7 all with base 1 fixed connection, and the two interval sets up. The support frame 2 is connected with a sliding base 3 in a sliding mode, and the sliding base 3 can slide up and down along the vertical direction. The top of support frame 2 is equipped with grinds mechanism 5, and sliding base 3's top is equipped with fruit vegetables placement machine and constructs 4, and sliding base 3 can drive fruit vegetables placement machine and construct 4 and grind the below of mechanism 5 and slide from top to bottom.
As shown in fig. 3, the supporting frame 2 includes a supporting bottom plate 201, a guide post 202, and a supporting top plate 203. Wherein, supporting baseplate 201 and the equal level setting of supporting baseplate 203, two sets of guide posts 202 are vertical to be set up between supporting baseplate 203 and supporting baseplate 201, the upper end and the lower extreme of two sets of guide posts 202 respectively with supporting baseplate 203 and supporting baseplate 201 fixed connection, supporting baseplate 201 fixed connection base 1.
As shown in fig. 6, the slide base 3 includes a base body 301, and the base body 301 is slidably connected between the two sets of guide posts 202. Specifically, side support plates 302 are fixedly connected to both sides of the base main body 301 in a symmetrical manner, guide bushings 303 are fixedly connected to one ends of the side support plates 302, which are away from the base main body 301, and the guide bushings 303 are disposed on upper and lower sides of the side support plates 302 in a manner of penetrating through the side support plates 302. The guiding sleeve 303 is movably sleeved on the guiding column 202 to guide the sliding base 3 to slide up and down along the guiding column 202, and ensure the stability of the sliding base 3 during sliding. Preferably, the base body 301 is a circular plate, and the side support plates 302 are symmetrically disposed along a radial direction of the base body 301.
As shown in fig. 6 and 9, the fruit and vegetable placing mechanism 4 includes a cylindrical tube 401, the cylindrical tube 401 is disposed right above the base main body 301, and the bottom of the cylindrical tube 401 is connected to the top of the base main body 301. The liquid storage barrel 403 is provided between the base body 301 and the cylindrical barrel 401, and is detachably connected to the bottom of the cylindrical barrel 401. The bottom wall of the cylindrical barrel 401 is provided with a liquid leakage hole 402, and the liquid leakage hole 402 is communicated with the inner cavities of the cylindrical barrel 401 and the liquid storage barrel 403. By providing the weep hole 402, the juice generated when the fruits and vegetables are crushed can automatically flow into the liquid storage cylinder 403, thereby realizing the automatic separation of the residue and the juice.
Preferably, as shown in fig. 9, the top of the liquid storage cylinder 403 is provided with a threaded nozzle 4031, the bottom of the cylindrical cylinder 401 is provided with a threaded ring 404, and the threaded nozzle 4031 and the threaded ring 404 are matched with each other, so that the liquid storage cylinder 403 and the cylindrical cylinder 401 are firmly connected and are convenient to disassemble and assemble. Preferably, a rubber ring is arranged at the interface of the threaded nozzle 4031 and the threaded ring 404 to ensure the sealing effect.
As shown in fig. 5, the grinding mechanism 5 includes a motor body 501, the motor body 501 is fixedly connected to the top of the supporting top plate 203, a motor shaft 502 is fixedly connected to an output end of the motor body 501, the motor shaft 502 penetrates through the supporting top plate 203 to extend downward, and a cylindrical grinding head 503 is fixedly connected to an extending end thereof. The cylindrical grinding bit 503 is sized to be received within the cylindrical barrel 401. The bottom fixedly connected with protection casing 504 of roof 203 supports, and the size of protection casing 504 sets up to cup jointing in the outside of cylindricality section of thick bamboo 401, prevents that the juice from splashing to the outside of cylindricality section of thick bamboo 401 when carrying out the crushing operation to the fruit vegetables in the cylindricality section of thick bamboo 401.
As shown in fig. 4, a plurality of abutting assemblies 8 are arranged between the fruit and vegetable placing mechanism 4 and the sliding base 3. A plurality of clinch assemblies 8 are provided around the liquid cartridge 403, preferably evenly arranged along the circumference of the cylindrical barrel 401. Specifically, the clinch assembly 8 includes a receiving tube 801 and a sliding post 802 arranged in a vertical direction. The bottom of the accommodating tube 801 is fixedly connected with the top of the base main body 301, the top of the sliding column 802 is fixedly connected with the bottom of the cylindrical barrel 401, and the sliding column 802 is inserted into the inner cavity of the accommodating tube 801 and can move up and down relative to the accommodating tube 801. A tight-supporting spring 803 arranged along the vertical direction is fixedly connected in the inner cavity of the accommodating tube 801, and the top of the tight-supporting spring 803 is fixedly connected with the bottom of the sliding column 802.
In-process to the fruit vegetables operation of pulverizing, support tight subassembly 8 and can guarantee to grind 5 abundant pressfittings with fruit vegetables of mechanism to guarantee to pulverize the effect. After pushing the slide base 3 upward until the fruit and vegetable in the cylindrical barrel 401 abuts against the cylindrical grinding head 503, the slide base 3 continues to be pushed upward, so that the abutting spring 803 is compressed. After the tightening spring 803 is compressed, the tightening spring 803 applies a vertical upward pushing force to the cylindrical barrel 401, so as to ensure a certain pressure between the fruit and vegetable in the cylindrical barrel 401 and the cylindrical grinding head 503, and the grinding effect is good.
As shown in FIG. 8, the cuvette assembly 7 facilitates the user's collection and storage of the ground juice and debris, and includes a base cover 701, a transparent tube 702, a protective cover 703, and a cuvette body 704. The base sleeve 701 is fixedly connected with the base 1 and arranged at an interval with the supporting bottom plate 201. The top fixedly connected with hyaline tube 702 of base cover 701 to the inside measuring object of test tube body 704 is observed to the later stage. The top of the transparent tube 702 is fixedly connected with a protecting jacket 703. The test tube body 704 can be movably inserted into the inner cavities of the base sleeve 701, the transparent tube 702 and the protective sleeve 703. Preferably, the protective cover 703 is made of rubber to protect the test tube body 704.
As shown in fig. 7 and 8, the support frame 2 further includes a positioning mechanism 6, and the positioning mechanism 6 is used for fixing the position of the slide base 3 in the vertical direction. The positioning mechanism 6 comprises a limit fixing column 601, a connecting block 602, a connecting cover 603, a pawl block 604 and a ratchet 6011.
The limiting fixing column 601 is vertically arranged between the supporting top plate 203 and the supporting bottom plate 201. The limiting fixing posts 601 are symmetrically arranged relative to the guiding posts 202 and are located on the outer sides of the guiding posts 202. A ratchet 6011 is disposed on a side wall of the limiting fixing column 601 near the guiding column 202. The connecting block 602 is fixedly connected with the circumferential outer wall of the guide sleeve 303, a connecting cover 603 is fixedly connected to one side of the connecting block 602 close to the limiting fixing column 601, and a pawl block 604 is arranged inside the connecting cover 603. The side wall of the connecting cover 603 facing the limit fixing column 601 is at least partially open. A pawl block 604 may extend from the connecting hood 603 and engage the ratchet teeth 6011. The ratchet teeth 6011 and the pawl block 604 are arranged such that in the engaged state the pawl block 604 can only move in one direction, i.e., upward, along the ratchet teeth 6011.
A clamping spring 605 is arranged between the pawl block 604 and the inner wall of the connecting cover 603. The pawl block 604 can be held in tight engagement with the ratchet teeth 6011 by the urging force of the chucking spring 605. The top and the bottom of the pawl block 604 are fixedly connected with the position-locking column 606, the top and the bottom of the connecting cover 603 are provided with position-locking grooves 607 corresponding to the position-locking column 606, and the position-locking column 606 can slide in the position-locking groove 607. A handle 608 is fixedly attached to the capture post 606. When the handle 608 is pulled, the catch post 606 carries the pawl block 604 to compress the catch spring 605 away from the ratchet teeth 6011, thereby disengaging the pawl block 604 from the ratchet teeth 6011. When the handle 608 is released, the biasing spring 605 is reset, urging the pawl block 604 toward the ratchet teeth 6011, thereby bringing the pawl block 604 into tight engagement with the ratchet teeth 6011 again.
The extraction device for detecting pesticide residues can conveniently crush fruits and vegetables needing to detect the pesticide residues, automatically separate residues and liquids, and is simple and convenient in operation process, time-saving and labor-saving. Through setting up sliding base 3 and abutting assembly 8 for the laminating is inseparable between the fruit vegetables in the cylindricality section of thick bamboo 401 and the cylindricality grinding head 503, ensures good crushing effect. Through setting up weeping hole 402, will pulverize the fruit vegetables separation of back for residue and juice, realize solid-liquid separation, the solid-liquid separation of being convenient for detects, guarantees detection effect.
The operation steps of the extraction device for detecting pesticide residue of the invention are as follows:
s1: firstly, fruits and vegetables are placed in the cylindrical barrel 401;
s2: pushing up the base body 301, so that the cylindrical barrel 401 moves upward until the fruit and vegetable in the cylindrical barrel 401 abuts against the bottom of the cylindrical grinding head 503, and at the same time, the pawl block 604 moves upward along the ratchet 6011;
s3: continuing to apply pressure to base body 301, compression of counter springs 803, thus effecting relative sliding between containment tube 801 and sliding post 802;
s4: controlling the motor body 501 to work, wherein the motor body 501 drives the motor rotating shaft 502 to rotate, and the motor rotating shaft 502 drives the cylindrical grinding head 503 to rotate, so as to grind the fruits and vegetables;
s5: the crushed fruit and vegetable juice flows into the liquid storage barrel 403 through the liquid leakage hole 402, and residue solids are left in the inner cavity of the cylindrical barrel 401;
s6: pulling the two sets of handles 608, the handles 608 drive the pawl block 604 to disengage from the ratchet 6011, so that the base body 301 slides downward;
s7: when the base main body 301 moves down to a proper position, the two sets of handles 608 are released, so that the pawl block 604 is clamped with the ratchet 6011 again, the liquid storage cylinder 403 is rotated and taken down, liquid is placed in the test tube body 704, a solid is taken out by using tweezers, and then substance extraction is realized, and pesticide residue detection is facilitated.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.
Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a pesticide residue detects uses extraction element, includes base (1), support frame (2), sliding base (3), fruit vegetables place mechanism (4), grinds mechanism (5) and test tube subassembly (7), its characterized in that:
the supporting frame (2) comprises a supporting bottom plate (201), a supporting top plate (203) and a guide column (202) vertically arranged between the supporting top plate (203) and the supporting bottom plate (201); the supporting bottom plate (201) is fixedly connected with the base (1);
the grinding mechanism (5) is arranged on the supporting top plate (203);
the sliding base (3) comprises a base main body (301), and the base main body (301) is connected with the guide column (202) in a sliding mode; the fruit and vegetable placing mechanism (4) is arranged above the base main body (301), and the base main body (301) can drive the fruit and vegetable placing mechanism (4) to slide up and down below the grinding mechanism (5) along the vertical direction; the fruit and vegetable placing mechanism (4) automatically separates residues and juice generated after fruit and vegetable crushing; a plurality of abutting components (8) are arranged between the fruit and vegetable placing mechanism (4) and the base main body (301);
the support frame (2) further comprises a positioning mechanism (6), and the positioning mechanism (6) is used for fixing the position of the sliding base (3) along the vertical direction;
test tube subassembly (7) with base (1) fixed connection, and with support frame (2) interval sets up.
2. The extraction device for pesticide residue detection according to claim 1, characterized in that: the fruit and vegetable placing mechanism (4) comprises a cylindrical barrel (401) and a liquid storage barrel (403), the cylindrical barrel (401) is arranged above the base main body (301), and the bottom of the cylindrical barrel (401) is connected with the top of the base main body (301); the liquid storage cartridge (403) is disposed between the base body (301) and the cylindrical cartridge (401), and is detachably connected with the bottom of the cylindrical cartridge (401); the bottom wall of the cylindrical barrel (401) is provided with a liquid leakage hole (402), and the liquid leakage hole (402) is communicated with the inner cavities of the cylindrical barrel (401) and the liquid storage barrel (403).
3. The extraction device for pesticide residue detection according to claim 2, characterized in that: the plurality of abutting assemblies (8) are arranged around the liquid storage barrel (403) and are uniformly arranged along the circumferential direction of the cylindrical barrel (401).
4. The extraction device for pesticide residue detection according to claim 3, characterized in that: the abutting assembly (8) comprises an accommodating pipe (801), a sliding column (802) and an abutting spring (803); the bottom of the accommodating pipe (801) is fixedly connected with the top of the base main body (301), and the top of the sliding column (802) is fixedly connected with the bottom of the cylindrical barrel (401); the sliding column (802) is inserted into the inner cavity of the accommodating pipe (801); the abutting spring (803) is arranged in the inner cavity of the accommodating pipe (801) along the vertical direction, the bottom of the abutting spring is fixedly connected with the bottom wall of the accommodating pipe (801), and the top of the abutting spring is fixedly connected with the bottom of the sliding column (802).
5. The extraction device for pesticide residue detection according to claim 2, characterized in that: the grinding mechanism (5) comprises a motor body (501), and the motor body (501) is fixedly connected to the top of the supporting top plate (203); the output end of the motor body (501) is fixedly connected with a motor rotating shaft (502); the motor rotating shaft (502) penetrates through the supporting top plate (203) to extend downwards, and the extending end of the motor rotating shaft is fixedly connected with a cylindrical grinding head (503); the cylindrical grinding bit (503) is sized to be received within the cylindrical barrel (401).
6. The extraction device for pesticide residue detection according to claim 5, characterized in that: the bottom of the supporting top plate (203) is fixedly connected with a protective cover (504), and the protective cover (504) is arranged in a size capable of being sleeved on the outer side of the cylindrical barrel (401).
7. The extraction device for pesticide residue detection according to claim 1, characterized in that: two sides of the base main body (301) are fixedly connected with side supporting plates (302) in a symmetrical mode, one end, far away from the base main body (301), of each side supporting plate (302) is fixedly connected with a guide sleeve (303), and the guide sleeves (303) are arranged on the upper side and the lower side of each side supporting plate (302) in a mode of penetrating through the side supporting plates (302); the guide sleeve (303) is movably sleeved on the corresponding guide column (202).
8. The extraction device for pesticide residue detection according to claim 7, characterized in that: the positioning mechanism (6) comprises a limiting fixing column (601), a connecting block (602), a connecting cover (603), a pawl block (604) and a ratchet (6011);
the limiting fixing column (601) is vertically arranged between the supporting top plate (203) and the supporting bottom plate (201); the limiting fixing columns (601) are symmetrically arranged relative to the guide column (202) and are positioned on the outer side of the guide column (202); the side wall of one side, close to the guide column (202), of the limiting fixing column (601) is provided with the ratchet (6011);
the connecting block (602) is fixedly connected with the circumferential outer wall of the guide sleeve (303), one side, close to the limiting fixing column (601), of the connecting block (602) is fixedly connected with the connecting cover (603), and the pawl block (604) is arranged inside the connecting cover (603); the side wall of the connecting cover (603) facing the limit fixing column (601) is at least partially open, and the pawl block (604) can extend out of the connecting cover (603) and be engaged with the ratchet (6011) and can also retract into the connecting cover (603) so as to be disengaged from the ratchet (6011).
9. The extraction device for pesticide residue detection according to claim 8, characterized in that: the positioning mechanism (6) further comprises a clamping spring (605), and the clamping spring (605) is arranged between the pawl block (604) and the inner wall of the connecting cover (603); the top and the bottom of the pawl block (604) are fixedly connected with clamping columns (606), the top and the bottom of the connecting cover (603) are provided with clamping grooves (607) corresponding to the clamping columns (606), and the clamping columns (606) can slide in the clamping grooves (607); and a handle (608) is fixedly connected to the clamping column (606).
10. The extraction device for pesticide residue detection according to claim 1, characterized in that: the test tube assembly (7) comprises a base sleeve (701), a transparent tube (702), a protective sleeve (703) and a test tube body (704); the test tube body test tube comprises a base sleeve (701), a base (1), a transparent tube (702), a protective sleeve (703), a test tube body (704), a test tube body and a test tube body, wherein the base sleeve (701) is fixedly connected with the base (1), the top of the base sleeve (701) is fixedly connected with the transparent tube (702), the top of the transparent tube (702) is fixedly connected with the protective sleeve (703), and the test tube body (704) is movably inserted into inner cavities of the base sleeve (701), the transparent tube (702) and the protective sleeve (703).
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| CN202111016479.4A CN113702101A (en) | 2021-08-31 | 2021-08-31 | Pesticide residue detects uses extraction element |
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| CN114453111A (en) * | 2022-01-11 | 2022-05-10 | 黎崇怡 | Grinder of nanometer new material production usefulness |
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