CN109187890B - Device for detecting pesticide residue in food - Google Patents
Device for detecting pesticide residue in food Download PDFInfo
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- CN109187890B CN109187890B CN201810957519.7A CN201810957519A CN109187890B CN 109187890 B CN109187890 B CN 109187890B CN 201810957519 A CN201810957519 A CN 201810957519A CN 109187890 B CN109187890 B CN 109187890B
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- 235000013305 food Nutrition 0.000 title claims abstract description 24
- 239000000447 pesticide residue Substances 0.000 title claims abstract description 21
- 238000000227 grinding Methods 0.000 claims abstract description 23
- 238000002791 soaking Methods 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000002347 injection Methods 0.000 claims abstract description 13
- 239000007924 injection Substances 0.000 claims abstract description 13
- 238000005096 rolling process Methods 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000005192 partition Methods 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000006872 improvement Effects 0.000 description 18
- 238000000034 method Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005267 amalgamation Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
-
- 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
- G01N1/30—Staining; Impregnating ; Fixation; Dehydration; Multistep processes for preparing samples of tissue, cell or nucleic acid material and the like for analysis
- G01N1/31—Apparatus therefor
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Food Science & Technology (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Medicinal Chemistry (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a device for detecting pesticide residue in food, which comprises a soaking box, an input pipe and an output pipe, wherein the soaking box is provided with a first inlet pipe and a second inlet pipe; the soaking box comprises an upper shell and a lower shell, and the two half cavities form a complete containing cavity after the upper shell and the lower shell are spliced; a rotating rod penetrates through the through hole, a first external thread is arranged on the rotating rod, and a first internal thread matched with the first external thread is arranged on the through hole to form a screw rod structure; one end of the rotating rod is positioned in the containing cavity, the other end of the rotating rod penetrates out of the through hole, a rolling disc is arranged at one end of the rotating rod positioned in the containing cavity, a through hole is formed in the rotating rod, a pull rod is arranged in the through hole, one end of the pull rod is rotatably connected with the rolling disc, the other end of the pull rod extends out of the soaking box, and an injection hole is formed in the pull rod; the output pipe is sleeved on the liquid outlet pipe, and the input pipe is used for being inserted into an injection hole opening on one side of the pull rod, which is back to the grinding disc. This allows for automated soaking prior to delivery to the detection mechanism.
Description
Technical Field
The invention relates to food detection equipment, in particular to a device for detecting pesticide residues in food.
Background
A phenomenon that a part of the pesticide remains in grains, vegetables, fruits, livestock products, aquatic products, and soil and water directly or indirectly after the pesticide is applied in agricultural production.
The amount of agricultural chemicals in agricultural products in China is high, and the unreasonable use of the substances can lead to the overproof pesticide residues in the agricultural products, influence the edible safety of consumers, and cause the consumers to have diseases and abnormal development in serious cases, even directly cause poisoning and death. The over-standard pesticide residue also affects the trade of agricultural products, countries in the world pay high attention to the problem of pesticide residue, and increasingly strict limit standards are stipulated for pesticide residue in various agricultural and sideline products, so that the export of agricultural products in China faces a severe challenge.
Therefore, the method is very significant in detection of pesticide residues in food. In the prior art, the sample to be tested is generally soaked in a solvent, and then the soaking solution is taken out for testing. However, the operation is complicated at this time, and the method is not suitable for large-scale industrial detection.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a device for automatically detecting pesticide residues in food.
In order to achieve the purpose, the invention provides the following technical scheme:
a device for detecting pesticide residue in food,
comprises a soaking box, an input pipe and an output pipe;
the soaking box comprises an upper shell and a lower shell, wherein the upper shell and the lower shell are respectively provided with a half cavity, and the two half cavities form a complete accommodating cavity after the upper shell and the lower shell are spliced;
an upper partition plate is arranged at one end of the upper shell, a through hole is formed in the upper partition plate, a rotating rod penetrates through the through hole, a first external thread is arranged on the rotating rod, and a first internal thread matched with the first external thread is arranged on the through hole to form a screw rod structure;
one end of the rotating rod is positioned in the containing cavity, the other end of the rotating rod penetrates out of the through hole, a rolling disc is arranged at one end of the rotating rod positioned in the containing cavity, a through hole is formed in the rotating rod, a pull rod is arranged in the through hole, one end of the pull rod is rotatably connected with the rolling disc, the other end of the pull rod extends out of the soaking box, and an injection hole is formed in the pull rod;
the pressure grinding disc is provided with a through hole communicated with the containing cavity and the filling hole, the filling hole is internally provided with a one-way valve, and the one-way valve controls fluid to enter the containing cavity through the filling hole and prevents the fluid in the containing cavity from flowing back into the filling hole;
an upper embedding groove for embedding the upper partition plate is formed in the lower shell, a lower partition plate is arranged on one side, back to the upper groove, of the lower shell, and a liquid outlet pipe is arranged on the lower partition plate; an upper embedding groove for embedding the lower partition plate is formed in the upper shell;
the output pipe is sleeved on the liquid outlet pipe, and the input pipe is used for being inserted into an injection hole opening on one side of the pull rod, which is back to the grinding disc.
As a further improvement of the present invention,
the edge of the lower shell, the edge of the lower partition plate and the edge of the upper caulking groove form a continuous lower edge;
the edge of the upper shell, the edge of the upper partition plate and the edge of the lower caulking groove form a continuous upper edge;
fixedly connected with rubber sealing strip on the border down, be provided with the seal groove that supplies the rubber sealing strip embedding on the border.
As a further improvement of the present invention,
the improved structure is characterized in that an upper hinge block is arranged on the upper shell, a lower hinge block is arranged on the lower shell, an upper hinge hole is formed in the upper hinge block, a lower hinge hole concentric with the upper hinge hole is formed in the lower hinge block, and a hinge shaft penetrates through the upper hinge hole and the lower hinge hole simultaneously.
As a further improvement of the present invention,
one side that the pull rod stretches out and holds the chamber is provided with the mounting disc, be provided with the guide hole that switches on with the filling hole on the mounting disc, be provided with two at least grooves that slide on the mounting disc, the inslot cunning that slides is connected with the slide plate that is used for sealing the guide hole, one side that the guide hole was sealed to the slide plate is provided with the answer mechanism that keeps the slide plate to seal the guide hole, the groove that slides uses the guide hole to be the circumference permutation and distributes as the centre of a circle.
As a further improvement of the present invention,
the return mechanism is a spring, one end of the spring is connected to the sliding plate, and the other end of the spring is fixed on the inner wall of the sliding groove. As a further improvement of the present invention,
the one end of sliding plate towards the guide hole is provided with the inclined plane, be provided with sharp portion on the input tube, sharp portion is used for contacting with the inclined plane and struts sliding plate.
As a further improvement of the present invention,
a rubber ring is fixed in the through hole, the first external thread is arranged on an inner ring of the rubber ring, and the rotating rod penetrates through the rubber ring.
As a further improvement of the present invention,
the grinding disc is arranged in a fan shape.
As a further improvement of the present invention,
the grinding disc is provided with a mounting groove, a second internal thread is arranged on the mounting groove, an installation block is arranged on the pull rod, a fixed block is arranged on the rotating rod, a second external thread matched with the second internal thread is arranged on the fixed block, and the installation block is clamped between the fixed block and the inner wall of the mounting groove.
As a further improvement of the present invention,
go up casing and casing back of the body last articulated piece and the direction of articulated piece down be provided with respectively and be used for the last piece of piecing together and piece together the piece down of piecing together each other, it has the hinge bar to articulate down on the piece to piece together down, be provided with on the hinge bar and detain the pole, it is provided with the knot piece to piece together piece one side down back of the body to go up to detain the piece, it is provided with the arc terminal surface to detain piece one side of piecing together the piece up back of the body, detain the pole and is detain.
The invention has the advantages that when in use, the upper shell and the lower shell are firstly opened, then food to be soaked is placed in the half cavity of the lower shell, the pull rod is pushed to drive the grinding disc to move, so that the grinding disc is close to the position of the liquid outlet pipe, then the upper shell and the lower shell are covered to form a complete containing cavity, then the grinding disc is driven to move by pulling the pull rod, meanwhile, the grinding disc is connected with the rotating rod, simultaneously, the rotating rod and the perforation form a screw rod structure through the matching of the first internal thread and the first external thread, the rotating rod can rotate in the moving process, the grinding disc is driven to rotate in the rotating process, so that the food can be ground and crushed, the movement of the pull rod can be manually pulled, the pull rod can be pulled through a mechanical structure, and the pull rod is provided with an extension rod, the extension rod is connected to the telescopic motor, so that mechanical movement can be realized. When the pull rod moved the position of input tube, the input tube stretched into the filling hole of pull rod, set up a control valve on the output tube of connection on the drain pipe this moment, and the control valve can be the solenoid valve, seals the output tube, later imports solution through the input tube and holds the chamber in, soaks, simultaneously because the check valve that sets up in the filling hole can prevent the liquid refluence, the check valve can directly choose the rubber check valve of buying for use here can. Then soaking, opening the valve, and outputting the soaking solution from the liquid outlet pipe and the output pipe to the detection mechanism. The delivery means can be provided with an infusion pump for delivery on the delivery line.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the soaking tank of the present invention;
FIG. 3 is a schematic view of the open state of the soaking tank according to the present invention;
FIG. 4 is an exploded view of the upper and lower housings of the present invention;
FIG. 5 is an enlarged view of a portion of the present invention at A;
fig. 6 is a partial enlarged view of the present invention at B.
Reference numerals:
1. a soaking box; 2. an input tube; 3. an output pipe; 4. an upper housing; 5. a lower housing; 6. an accommodating chamber; 7. an upper partition plate; 8. perforating; 9. rotating the rod; 10. rolling the disc; 11. a via hole; 12. a pull rod; 13. an injection hole; 14. a through hole; 15. a one-way valve; 16. an upper caulking groove; 17. a lower partition plate; 18. a lower caulking groove; 19. an upper edge; 20. a lower edge; 21. a sealing strip; 22. a sealing groove; 23. an upper hinge block; 24. a lower hinge block; 25. an upper hinge hole; 26. a lower hinge hole; 27. hinging a shaft; 28. mounting a disc; 29. a guide hole; 30. a sliding groove; 31. a slide plate; 32. a spring; 33. an inclined surface; 34. a tip portion; 35. a rubber ring; 36. mounting grooves; 37. mounting blocks; 38. a fixed block; 39. assembling the blocks; 40. a lower splicing block; 41. a hinged lever; 42. a buckle rod; 43. buckling blocks; 44. an arc-shaped end face; 45. an extension rod; 46 a telescopic motor; 47. a liquid outlet pipe; 48. an infusion pump.
Detailed Description
The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings.
Referring to fig. 1 to 6, the apparatus for detecting pesticide residue in food of the present embodiment,
comprises a soaking box 1, an input pipe 2 and an output pipe 3;
the soaking box 1 comprises an upper shell 4 and a lower shell 5, wherein the upper shell 4 and the lower shell 5 are respectively provided with a half cavity, and the two half cavities form a complete accommodating cavity 6 after the upper shell 4 and the lower shell 5 are spliced;
an upper partition plate 7 is arranged at one end of the upper shell 4, a through hole 8 is formed in the upper partition plate 7, a rotating rod 9 penetrates through the through hole 8, a first external thread is arranged on the rotating rod 9, and a first internal thread matched with the first external thread is arranged on the through hole 8 to form a screw rod structure; one end of the rotating rod 9 is positioned in the accommodating cavity 6, the other end of the rotating rod penetrates out of the through hole 8, one end of the rotating rod 9, which is positioned in the accommodating cavity 6, is provided with a rolling disc 10, a via hole 11 is formed in the rotating rod 9, a pull rod 12 is arranged in the via hole 11, one end of the pull rod 12 is rotatably connected with the rolling disc 10, the other end of the pull rod extends out of the soaking box 1, and an injection hole 13 is formed in the pull rod 12;
the pressure rolling plate 10 is provided with a through hole 14 communicated with the accommodating cavity 6 and an injection hole 13, the injection hole 13 is provided with a one-way valve 15, and the one-way valve 15 controls fluid to enter the accommodating cavity 6 through the injection hole 13 and prevents the fluid in the accommodating cavity 6 from flowing back to the injection hole 13;
an upper embedding groove 16 for embedding the upper partition plate 7 is formed in the lower shell 5, a lower partition plate 17 is arranged on one side, back to the upper groove, of the lower shell 5, and a liquid outlet pipe 47 is arranged on the lower partition plate 17; an upper embedding groove 16 for embedding a lower partition plate 17 is formed in the upper shell 4;
the output pipe 3 is sleeved on the liquid outlet pipe 47, and the input pipe 2 is used for being inserted into an opening of the injection hole 13 on one side of the pull rod 12, which faces away from the rolling disc 10.
Through the technical scheme: when in use, the upper shell 4 and the lower shell 5 are firstly opened, then food to be soaked is placed in a half cavity of the lower shell 5, the pull rod 12 is pushed, the pull rod 12 drives the grinding disc 10 to move, the grinding disc 10 is close to the position of the liquid outlet pipe 47, then the upper shell 4 and the lower shell 5 are covered to form a complete containing cavity 6, then the pull rod 12 is pulled, the grinding disc 10 is driven to move, meanwhile, the grinding disc 10 is connected with the rotating rod 9, meanwhile, through the matching of the first internal thread and the first external thread, the rotating rod 9 and the perforation 8 form a screw rod structure, in the moving process, the rotating rod 9 can rotate, meanwhile, the grinding disc 10 is driven to rotate in the rotating process, so that the food can be ground and crushed, the movement of the pull rod 12 can be pulled manually, and can be pulled through a mechanical structure, an extension rod 45 is arranged on the pull rod 12, and the extension rod 45 is connected to a telescopic motor 46, so that mechanical movement can be realized. When the pull rod 12 moved the position of input tube 2, input tube 2 stretched into the filling hole 13 of pull rod 12, set up a control valve on the output tube 3 of connection on drain pipe 47 this moment, the control valve can be the solenoid valve, seal output tube 3, later with solution through input tube 2 input to hold in the chamber 6, soak, simultaneously because the check valve 15 that sets up in filling hole 13 can prevent the liquid refluence, check valve 15 here can directly choose for use the rubber check valve 15 of market purchase can. Then, after soaking, the valves are opened, and the soaking solution is output from the liquid outlet pipe 47 and the output pipe 3 and enters the detection mechanism. The delivery means can be provided with a delivery pump 48 on the delivery line 3.
As a specific embodiment of the improvement,
the edge of the lower shell 5, the edge of the lower clapboard 17 and the edge of the upper caulking groove 16 form a continuous lower edge 20;
the edge of the upper shell 4, the edge of the upper clapboard 7 and the edge of the lower caulking groove 18 form a continuous upper edge 19;
fixedly connected with rubber sealing strip 21 on the border 20 down, be provided with the seal groove 22 that supplies rubber sealing strip 21 embedding on the border 19.
Through above-mentioned technical scheme, through the cooperation of rubber sealing strip 21 and seal groove 22, in the in-process rubber sealing strip 21 of amalgamation upper casing 4 and lower casing 5 can be embedded into seal groove 22, form a seal structure, just so can place solution and ooze from the gap of upper casing 4 and lower casing 5.
As a specific embodiment of the improvement,
the upper shell 4 is provided with an upper hinge block 23, the lower shell 5 is provided with a lower hinge block 24, the upper hinge block 23 is provided with an upper hinge hole 25, the lower hinge block 24 is provided with a lower hinge hole 26 concentric with the upper hinge hole 25, and the upper hinge hole 25 and the lower hinge hole 26 are simultaneously penetrated by a hinge shaft 27.
Through the above technical scheme, through the setting of upper hinge block 23 and lower hinge block 24, articulated shaft 27 passes upper hinge hole 25 and lower hinge hole 26 for upper housing 4 and lower housing 5 have formed a hinge structure, and when opening upper housing 4 and lower housing 5, it can be more convenient.
As a specific embodiment of the improvement,
the side of the pull rod 12 extending out of the accommodating cavity 6 is provided with a mounting disc 28, the mounting disc 28 is provided with a guide hole 29 communicated with the injection hole 13, the mounting disc 28 is provided with at least two sliding grooves 30, the sliding grooves 30 are connected with a sliding plate 31 used for sealing the guide hole 29 in a sliding manner, one side of the sliding plate 31, which is opposite to the sealed guide hole 29, is provided with a restoring mechanism for keeping the sliding plate 31 to seal the guide hole 29, and the sliding grooves 30 are distributed in a circumferential whole column by taking the guide hole 29 as a circle center.
Through above-mentioned technical scheme, setting up of slide plate 31 has played a sealing effect to filling hole 13, through the setting of replying the component, can guarantee that filling hole 13 is sealed, has avoided the pollutant to get into on the one hand, and on the other hand has also avoided the backward flow phenomenon, when needs are opened, directly can through input tube 2 with slide plate 31 back-open can. Thus being more convenient to use.
As a specific embodiment of the improvement,
the return mechanism is a spring 32, and one end of the spring 32 is connected to the sliding plate 31, and the other end is fixed on the inner wall of the sliding groove 30.
Through above-mentioned technical scheme, select for use spring 32 in the selection of answer mechanism, spring 32's simple structure, convenient fixed and installation are fit for this technical scheme's structural requirement very much.
As a specific embodiment of the improvement,
the end of the sliding plate 31 facing the guide hole 29 is provided with an inclined surface 33, and the input tube 2 is provided with a tip portion 34, wherein the tip portion 34 is used for contacting with the inclined surface 33 and expanding the sliding plate 31.
Through above-mentioned technical scheme, through the cooperation of inclined plane 33 and sharp portion 34, can open the sliding plate 31 very conveniently for the use is more convenient and high-efficient.
As a specific embodiment of the improvement,
a rubber ring 35 is fixed in the through hole 8, the first external thread is arranged on an inner ring of the rubber ring 35, and the rotating rod 9 penetrates through the rubber ring 35.
Through above-mentioned technical scheme, through the setting of rubber circle 35, can play a better sealed effect for better sealed effect has on the whole.
As a specific embodiment of the improvement,
the grinding disc 10 is arranged in a fan shape.
Through above-mentioned technical scheme, through setting grinding plate 10 to fan-shaped, can provide a buffer space, can have a buffer space to be extrudeed on an interface grinding food in-process food, prevent that grinding plate 10 from being held by the card owner.
As a specific embodiment of the improvement,
be provided with mounting groove 36 on the pressure dish 10, be provided with the second internal thread on the mounting groove 36, be provided with installation piece 37 on the pull rod 12, set up fixed block 38 on the dwang 9, be provided with on the fixed block 38 with second internal thread complex second external thread, installation piece 37 is by the centre gripping between fixed block 38 and mounting groove 36 inner wall.
Through the technical scheme, when the installation, the grinding disc 10 is firstly placed in the accommodating cavity 6, then the rotating rod 9 penetrates through the through hole 8 formed in the upper partition plate 7, then the pull rod 12 penetrates through the through hole 11 formed in the rotating rod 9, the installation block 37 on the pull rod 12 is firstly placed in the installation groove 36, and then the fixing block 38 is clamped by the matching of the second external thread and the second internal thread. With the structure, the installation is more convenient. As a specific embodiment of the improvement,
the direction of upper casing 4 and lower casing 5 back to upper hinge block 23 and lower hinge block 24 is provided with upper splicing block 39 and lower splicing block 40 that are used for the mutual amalgamation respectively, it has articulated pole 41 to articulate on lower splicing block 40, be provided with on the articulated pole 41 detains the pole 42, upper splicing block 39 back to lower splicing block 40 one side is provided with detains piece 43, detain piece 43 back to upper splicing block 39 one side and be provided with arc terminal surface 44, detain pole 42 through rotating the quilt and detain between detain piece 43 and upper splicing block 39.
Through the technical scheme, after the cover is closed, the hinge rod 41 is rotated, the buckle rod 42 is buckled between the buckle block 43 and the upper split block 39, so that a fixing structure for fixing the upper shell 4 and the lower shell 5 is formed, and meanwhile, plastic materials can be selected for use in the selection of the buckle rod 42, so that certain deformation can be generated.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (9)
1. The utility model provides a detect food pesticide residue's device which characterized in that:
comprises a soaking box (1), an input pipe (2) and an output pipe (3);
the soaking box (1) comprises an upper shell (4) and a lower shell (5), wherein the upper shell (4) and the lower shell (5) are respectively provided with a half cavity, and the two half cavities form a complete containing cavity (6) after the upper shell (4) and the lower shell (5) are spliced;
an upper partition plate (7) is arranged at one end of the upper shell (4), a through hole (8) is formed in the upper partition plate (7), a rotating rod (9) penetrates through the through hole (8), a first external thread is arranged on the rotating rod (9), a first internal thread matched with the first external thread is arranged on the through hole (8), and a screw rod structure is formed;
one end of the rotating rod (9) is located in the containing cavity (6), the other end of the rotating rod penetrates out of the through hole (8), a rolling disc (10) is arranged at one end, located in the containing cavity (6), of the rotating rod (9), a through hole (11) is formed in the rotating rod (9), a pull rod (12) is arranged in the through hole (11), one end of the pull rod (12) is rotatably connected with the rolling disc (10), the other end of the pull rod extends out of the soaking box (1), and a filling hole (13) is formed in the pull rod (12);
the pressure rolling disc (10) is provided with a through hole (14) communicated with the accommodating cavity (6) and the filling hole (13), the filling hole (13) is internally provided with a one-way valve (15), the one-way valve (15) controls fluid to enter the accommodating cavity (6) through the filling hole (13), and the fluid in the accommodating cavity (6) is prevented from flowing back to the filling hole (13);
an upper caulking groove (16) for embedding the upper partition plate (7) is formed in the lower shell (5), a lower partition plate (17) is arranged on one side, back to the upper groove, of the lower shell (5), and a liquid outlet pipe (47) is arranged on the lower partition plate (17); an upper caulking groove (16) for embedding a lower partition plate (17) is formed in the upper shell (4);
the output pipe (3) is sleeved on the liquid outlet pipe (47), and the input pipe (2) is inserted into an opening of the injection hole (13) on one side of the pull rod (12) back to the grinding disc (10);
one side that pull rod (12) stretched out and hold chamber (6) is provided with mounting disc (28), be provided with guide hole (29) that lead to with filling hole (13) on mounting disc (28), be provided with two at least sliding groove (30) on mounting disc (28), sliding groove (30) internal slipping is connected with slide plate (31) that are used for sealing guide hole (29), one side that slide plate (31) closed guide hole (29) dorsad is provided with the return mechanism who keeps slide plate (31) closed guide hole (29), sliding groove (30) use guide hole (29) to be the whole column distribution of circumference as the centre of a circle.
2. The device for detecting pesticide residues in food according to claim 1, wherein: the edge of the lower shell (5), the edge of the lower clapboard (17) and the edge of the upper caulking groove (16) form a continuous lower edge (20); the edge of the upper shell (4), the edge of the upper clapboard (7) and the edge of the lower caulking groove (18) form a continuous upper edge (19); fixedly connected with rubber sealing strip (21) on lower border (20), be provided with on last border (19) and supply seal groove (22) of rubber sealing strip (21) embedding.
3. The device for detecting pesticide residues in food according to claim 2, wherein: go up to be provided with on casing (4) articulated piece (23), be provided with down articulated piece (24) on casing (5) down, go up articulated hole (25) of being provided with on articulated piece (23), set up down articulated hole (26) that are used for with last articulated hole (25) concentric down on articulated piece (24) down, go up articulated hole (25) and penetrate articulated shaft (27) in articulated hole (26) down simultaneously.
4. The device for detecting pesticide residues in food according to claim 3, wherein: the restoring mechanism is a spring (32), one end of the spring (32) is connected to the sliding plate (31), and the other end of the spring is fixed on the inner wall of the sliding groove (30).
5. The device for detecting pesticide residues in food according to claim 4, wherein: one end of the sliding plate (31) facing the guide hole (29) is provided with an inclined surface (33), a tip portion (34) is arranged on the input pipe (2), and the tip portion (34) is used for being in contact with the inclined surface (33) and opening the sliding plate (31).
6. The device for detecting pesticide residues in food according to claim 5, wherein: be fixed with rubber circle (35) in perforation (8), first external screw thread setting is on the inner ring of rubber circle (35), dwang (9) are passed from rubber circle (35).
7. The device for detecting pesticide residues in food according to claim 6, wherein: the grinding disc (10) is arranged in a fan shape.
8. The device for detecting pesticide residues in food according to claim 7, wherein: be provided with mounting groove (36) on grinding disc (10), be provided with the second internal thread on mounting groove (36), be provided with installation piece (37) on pull rod (12), set up fixed block (38) on dwang (9), be provided with on fixed block (38) with second internal thread complex second external thread, installation piece (37) are by the centre gripping between fixed block (38) and mounting groove (36) inner wall.
9. The device for detecting pesticide residues in food according to claim 8, wherein: go up casing (4) and lower casing (5) and be provided with respectively in the direction of articulated piece (23) and articulated piece (24) down and be used for last piece (39) and the piece (40) of piecing together each other on the back of the body, it has articulated pole (41) to articulate on piece (40) down, be provided with on articulated pole (41) and detain pole (42), it is provided with knot piece (43) to go up piece (39) one side of piecing together (40) down on the back of the body, it is provided with arc terminal surface (44) to detain piece (43) one side of piece (39) of going up in the back of the body, detain pole (42) through rotating by the straining between knot piece (43) and last piece (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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