CN109187890A - A kind of device detecting food pesticide residue - Google Patents
A kind of device detecting food pesticide residue Download PDFInfo
- Publication number
- CN109187890A CN109187890A CN201810957519.7A CN201810957519A CN109187890A CN 109187890 A CN109187890 A CN 109187890A CN 201810957519 A CN201810957519 A CN 201810957519A CN 109187890 A CN109187890 A CN 109187890A
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- China
- Prior art keywords
- rotating bar
- hole
- screw thread
- pull rod
- pesticide residue
- 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.)
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- 235000013305 food Nutrition 0.000 title claims abstract description 25
- 239000000447 pesticide residue Substances 0.000 title claims abstract description 22
- 238000002347 injection Methods 0.000 claims abstract description 28
- 239000007924 injection Substances 0.000 claims abstract description 28
- 238000002791 soaking Methods 0.000 claims abstract description 15
- 125000006850 spacer group Chemical group 0.000 claims description 14
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 13
- 230000033001 locomotion Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001802 infusion Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000575 pesticide Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005474 detonation 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
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Landscapes
- 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 kind of devices for detecting food pesticide residue, including soaking box, input pipe and efferent duct；The soaking box includes upper housing and lower case, and upper housing and latter two half chamber of lower case split form a complete accommodating chamber；It is worn in the perforation and is equipped with rotating bar, the first external screw thread in the rotating bar is provided with the first external screw thread in the rotating bar, and the first internal screw thread with the cooperation of the first external screw thread is provided in the perforation, forms a screw structure；Described rotating bar one end is located in accommodating chamber, the other end is pierced by from perforation, one end that the rotating bar is located at accommodating chamber is provided with roll disk, via hole is provided in the rotating bar, pull rod is provided in the via hole, described pull rod one end and roll disk are rotatablely connected, and the other end stretches out outside soaking box, are provided with injection hole on the pull rod；The efferent duct is socketed on outlet tube, and the input pipe is used to be inserted into pull rod in the injection hole opening of the side of roll disk.Automation may be implemented in this way to impregnate, later in being transported to testing agency.
Description
Technical field
The present invention relates to a kind of food inspection equipment, more particularly to a kind of dress for detecting food pesticide residue
It sets.
Background technique
Applying pesticides rear portion pesticide directly or indirectly remains in cereal, vegetables, fruit, livestock products in agricultural production
Phenomenon in product, aquatic products and in soil and water body.
China's pesticide is high in the dosage of agricultural product, and the unreasonable use of these substances will cause in agricultural product
Excessive pesticide residues, influence consumer's edible safety, will cause when serious consumer cause a disease, develop it is abnormal, or even directly
Cause to be poisoned to death.Excessive pesticide residues also will affect the trade of agricultural product, and Pesticide Residue is paid much attention in countries in the world,
The limit standard being increasingly stringenter all is defined to pesticide residue in various agricultural and sideline products, China's Agricultural outlet is made to face sternness
Challenge.
Therefore just very significant in the detection of food pesticide residue.It in the prior art, typically will be to be detected
It impregnates in a solvent, later tests soak soak taking-up.But this when, complicated operation, is not suitable for
High-volume industrialization detection.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of automatic detection food pesticide residue
Device.
To achieve the above object, the present invention provides the following technical scheme that
A kind of device detecting food pesticide residue,
Including soaking box, input pipe and efferent duct；
The soaking box includes upper housing and lower case, and one and half chambers are respectively provided on the upper housing and lower case, on
Shell and latter two half chamber of lower case split form a complete accommodating chamber；
One end of the upper housing is provided with upper spacer, and perforation is provided on the upper spacer, wears and sets in the perforation
There is a rotating bar, the first external screw thread in the rotating bar is provided with the first external screw thread in the rotating bar, is provided in the perforation
With the first internal screw thread of the first external screw thread cooperation, a screw structure is formed；
Described rotating bar one end is located in accommodating chamber, and the other end is pierced by from perforation, and the rotating bar is located at accommodating chamber
One end is provided with roll disk, and via hole is provided in the rotating bar, and pull rod, described pull rod one end are provided in the via hole
It is rotatablely connected with roll disk, the other end stretches out outside soaking box, is provided with injection hole on the pull rod；
It is provided with the through-hole be connected with accommodating chamber and injection hole in the roll disk, is provided in the injection hole unidirectional
Valve, the unidirectional valve controls fluid enter accommodating chamber by injection hole, prevent in accommodating chamber fluid reflux to injection hole；
The upper embedded groove for upper spacer insertion is provided in the lower case, the lower case is set backwards to the side of upper groove
It is equipped with lower clapboard, is provided with outlet tube on the lower clapboard；The upper embedded groove for lower clapboard insertion is provided on the upper housing；
The efferent duct is socketed on outlet tube, and the input pipe is for being inserted into pull rod backwards to the injection of the side of roll disk
In the opening of hole.
As a further improvement of the present invention,
The lower case edge, lower clapboard edge, upper embedded groove edge form continuous lower edge；
The upper housing edge, upper spacer edge, lower caulking groove edge form continuous lower edge；
It is fixedly connected with rubber weather strip on the lower edge, is provided on the upper edge for rubber weather strip insertion
Seal groove.
As a further improvement of the present invention,
It is provided with hinged block on the upper housing, is provided with lower hinged block in the lower case, on the upper hinged block
Be provided with hinge hole, on the lower handover block setting for the lower hinge hole concentric with upper hinge hole, the upper hinge hole with
Articulated shaft is penetrated in lower hinge hole simultaneously.
As a further improvement of the present invention,
The side that the pull rod stretches out accommodating chamber is provided with mounting disc, is provided in the mounting disc and is connected with injection hole
Guide hole is provided at least two slippage slots in the mounting disc, and sliding is connected with the cunning for closing guide hole in the slippage slot
Plate is moved, the sliding plate is provided with the response agency for keeping sliding plate closing guide hole, the sliding backwards to the side of closing guide hole
Using guide hole as the center of circle, circumferentially permutation is distributed slot.
As a further improvement of the present invention,
The response agency is spring, and the spring one end is connected to the other end on sliding plate and is fixed on slippage slot inner wall.
As a further improvement of the present invention,
One end of the sliding plate towards guide hole is provided with inclined surface, and tip, the tip are provided on the input pipe
For face contact and strutting sliding plate with inclination.
As a further improvement of the present invention,
Rubber ring is fixed in the perforation, first external screw thread is arranged in the inner ring of rubber ring, the rotating bar
It is passed through from rubber ring.
As a further improvement of the present invention,
The fan-shaped setting of roll disk.
As a further improvement of the present invention,
It is provided with mounting groove in the roll disk, the second internal screw thread is provided on the mounting groove, is arranged on the pull rod
There are mounting blocks, fixed block is set in the rotating bar, the second outer spiral shell with the second screw-internal thread fit is provided on the fixed block
Line, the mounting blocks are clamped between fixed block and mounting groove inner wall.
As a further improvement of the present invention,
The upper housing and lower case are separately provided for mutual split backwards to the direction of upper hinged block and lower hinged block
Upper piece and lower piece, be hinged with hinge bar on the lower piece, button bar, the upper piece back be provided on the hinge bar
Downward piece side is provided with button block, and the button block is provided with curved end backwards to upper piece side, and the button bar is by rotation
It is clasped between button block and upper piece.
Beneficial effects of the present invention when in use first open upper housing and lower case, later impregnate needs
Food is placed in half chamber of lower case, pushing drawing rod, so that pull rod drives roll disk movement, so that roll disk is close to outlet tube
Position, upper housing and lower case are subjected to lid conjunction later, form a complete accommodating chamber, later by pulling pull rod, from
And roll disk is driven to move, while connecting in roll disk with rotating bar, while matching by the way that the first internal screw thread and first are externally threaded
It closes, so that rotating bar and perforation form a screw structure, during the motion, rotating bar can rotate, while rotate
The rotation of drive roll disk roll to food broken so in the process, and the movement of pull rod herein can be by manually going
It pulling, can be pulled by mechanical structure, an extension rod is provided on pull rod, extension rod is connected on telescope motor,
Mechanical movement thus may be implemented.When pull rod moves to the position of input pipe, input pipe is extend into the injection hole of pull rod,
It is connected to one control valve of setting on the efferent duct on outlet tube at this time, control valve can be solenoid valve, close efferent duct, later
Solution is input in accommodating chamber by input pipe, is impregnated, simultaneously because the check valve being arranged in injection hole can be to prevent
Only liquid is flow backwards, and check valve can directly select commercially available rubber one way valve here.Later by impregnating, opening valve,
Soak is exported from outlet tube and efferent duct, is entered in testing agency.The way of output can be on efferent duct herein
An infusion pump is provided with to be conveyed.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is soaking box overall structure diagram of the invention；
Fig. 3 is soaking box opening state structural schematic diagram of the invention；
Fig. 4 is upper housing of the invention and lower case detonation configuration figure；
Fig. 5 is partial enlarged view at A of the invention；
Fig. 6 is partial enlarged view at B of the invention.
Appended drawing reference:
1, soaking box；2, input pipe；3, efferent duct；4, upper housing；5, lower case；6, accommodating chamber；7, upper spacer；8, it wears
Hole；9, rotating bar；10, roll disk；11, via hole；12, pull rod；13, injection hole；14, through-hole；15, check valve；16, upper embedding
Slot；17, lower clapboard；18, lower caulking groove；19, upper edge；20, lower edge；21, sealing strip；22, seal groove；23, upper hinged block；
24, lower hinged block；25, upper hinge hole；26, lower hinge hole；27, articulated shaft；28, mounting disc；29, guide hole；30, slippage slot；31,
Sliding plate；32, spring；33, inclined surface；34, tip；35, rubber ring；36, mounting groove；37, mounting blocks；38, fixed block；39,
Upper piece；40, lower piece；41, hinge bar；42, button bar；43, button block；44, curved end；45, extension rod；46 telescope motors；
47, outlet tube；48, infusion pump.
Specific embodiment
The present invention is described in further detail below in conjunction with embodiment given by attached drawing.
Shown in 6, the present embodiment
A kind of device detecting food pesticide residue,
Including soaking box 1, input pipe 2 and efferent duct 3；
The soaking box 1 includes upper housing 4 and lower case 5, is respectively provided with one and half in the upper housing 4 and lower case 5
Chamber, upper housing 4 and latter two half chamber of 5 split of lower case form a complete accommodating chamber 6；
One end of the upper housing 4 is provided with upper spacer 7, and perforation 8 is provided on the upper spacer 7, is worn in the perforation 8
It is provided with rotating bar 9, the first external screw thread in the rotating bar 9 is provided with the first external screw thread, the perforation 8 in the rotating bar 9
On be provided with the first external screw thread cooperation the first internal screw thread, form a screw structure；
Described 9 one end of rotating bar is located in accommodating chamber 6, and the other end is pierced by from perforation 8, and the rotating bar 9, which is located at, to be accommodated
One end of chamber 6 is provided with roll disk 10, and via hole 11 is provided in the rotating bar 9, is provided with pull rod in the via hole 11
12, described 12 one end of pull rod and roll disk 10 are rotatablely connected, and the other end stretches out outside soaking box 1, are provided with note on the pull rod 12
Enter hole 13；
It is provided with the through-hole 14 with accommodating chamber 6 and the conducting of injection hole 13 in the roll disk 10, is set in the injection hole 13
It is equipped with check valve 15, the check valve 15 controls fluid and enters accommodating chamber 6 by injection hole 13, prevents 6 fluid reflux of accommodating chamber
To injection hole 13；
The upper embedded groove 16 being embedded in for upper spacer 7 is provided in the lower case 5, the lower case 5 is backwards to upper groove
Side is provided with lower clapboard 17, is provided with outlet tube 47 on the lower clapboard 17；It is provided on the upper housing 4 for lower clapboard
The upper embedded groove 16 of 17 insertions；
The efferent duct 3 is socketed on outlet tube 47, and the input pipe 2 is used to be inserted into pull rod 12 backwards to the one of roll disk 10
In the opening of injection hole 13 of side.
Through the above technical solution: when in use, first upper housing 4 and lower case 5 being opened, will need to impregnate later
Food be placed in half chamber of lower case 5, pushing drawing rod 12 so that pull rod 12 drive roll disk 10 move so that roll disk
10 close to the position of outlet tube 47, and upper housing 4 and lower case 5 are carried out lid conjunction later, forms a complete accommodating chamber 6, it
It afterwards by pulling pull rod 12, so that roll disk 10 be driven to move, while being connect in roll disk 10 with rotating bar 9, while passing through the
One internal screw thread and the first externally threaded cooperation during the motion, turn so that rotating bar 9 and perforation 8 form a screw structure
Lever 9 can rotate, at the same during rotation drive roll disk 10 rotate food roll in this way it is broken,
Here the movement of pull rod 12 can be pulled by manually going to pull by mechanical structure, be provided on pull rod 12
A extension rod 45, extension rod 45 are connected on telescope motor 46, and mechanical movement thus may be implemented.When pull rod 12 move to it is defeated
When entering the position of pipe 2, input pipe 2 is extend into the injection hole 13 of pull rod 12, is connected on the efferent duct 3 on outlet tube 47 at this time
One control valve is set, and control valve can be solenoid valve, close efferent duct 3, and solution is input to receiving by input pipe 2 later
In chamber 6, impregnated, simultaneously because the check valve 15 being arranged in injection hole 13 can prevent liquid from flowing backwards, check valve 15 this
In can directly select commercially available rubber one way valve 15.Later by impregnating, valve is opened, by soak from outlet tube 47
It exports, is entered in testing agency in efferent duct 3.The way of output can be provided with an infusion on efferent duct 3 herein
Pump 48 is conveyed.
As a kind of improved specific embodiment,
5 edge of lower case, 17 edge of lower clapboard, 16 edge of upper embedded groove form continuous lower edge 20；
4 edge of upper housing, 7 edge of upper spacer, 18 edge of lower caulking groove form continuous lower edge 20；
It is fixedly connected with rubber weather strip 21 on the lower edge 20, is provided on the upper edge 19 for rubber weather strip
The seal groove 22 of 21 insertions.
Through the above technical solutions, passing through the cooperation of rubber weather strip 21 and seal groove 22, in split upper housing 4 and lower casing
Rubber weather strip 21 can be embedded into seal groove 22 during body 5, form a sealing structure, molten this makes it possible to place
Liquid is oozed out from the gap of upper housing 4 and lower case 5.
As a kind of improved specific embodiment,
It is provided with hinged block 23 on the upper housing 4, lower hinged block 24, the upper hinge are provided in the lower case 5
It connects and is provided with hinge hole 25 on block 23, be arranged on the lower handover block for the lower hinge hole 26 concentric with upper hinge hole 25,
Articulated shaft 27 is penetrated in the upper hinge hole 25 and lower hinge hole 26 simultaneously.
Through the above technical solutions, articulated shaft 27 passes through upper hinged by the setting of upper hinged block 23 and lower hinged block 24
Hole 25 and lower hinge hole 26 are opening upper housing 4 and lower case so that upper housing 4 and lower case 5 form an articulated structure
It, can be more convenient when 5.
As a kind of improved specific embodiment,
The side that the pull rod 12 stretches out accommodating chamber 6 is provided with mounting disc 28, is provided with and injects in the mounting disc 28
The guide hole 29 that hole 13 is connected is provided at least two slippage slots 30 in the mounting disc 28, sliding connection in the slippage slot 30
There is the sliding plate 31 for confined bed hole 29, the sliding plate 31 is provided with backwards to the side of closing guide hole 29 and keeps sliding plate 31
The response agency of guide hole 29 is closed, the slippage slot 30 is that circumferentially permutation is distributed in the center of circle with guide hole 29.
Through the above technical solutions, the setting of sliding plate 31 plays a sealing process to injection hole 13, pass through reply
The setting of element, the injection hole 13 that can preserve value are closed, and are on the one hand avoided pollutant entrance, are on the other hand also avoided flowing back
Phenomenon can directly be opened sliding plate 31 by input pipe 2 when you need to open.It is more convenient to use in this way.
As a kind of improved specific embodiment,
The response agency is spring 32, and described 32 one end of spring is connected to the other end on sliding plate 31 and is fixed on slippage slot
30 inner walls.
Through the above technical solutions, selecting spring 32 in the selection of response agency, the structure of spring 32 is simple, convenient solid
Fixed and installation, is very suitable for the topology requirement of the technical program.
As a kind of improved specific embodiment,
One end of sliding plate 31 towards the guide hole 29 is provided with inclined surface 33, is provided with tip 34 on the input pipe 2,
The tip 34 with inclined surface 33 for contacting and strutting sliding plate 31.
Through the above technical solutions, passing through the cooperation of inclined surface 33 and tip 34, easily sliding plate 31 can be pushed up
It opens, so that use process is more convenient and efficient.
As a kind of improved specific embodiment,
It is fixed with rubber ring 35 in the perforation 8, first external screw thread is arranged in the inner ring of rubber ring 35, and described turn
Lever 9 is passed through from rubber ring 35.
Through the above technical solutions, passing through the setting of rubber ring 35, a preferable sealing function can be played, so that whole
There is better seal effect on body.
As a kind of improved specific embodiment,
The fan-shaped setting of the roll disk 10.
Through the above technical solutions, being capable of providing a cushion space by the way that roll disk 10 is arranged to sector, rolling
Food can have a cushion space to be extruded on an interface in food products, prevent roll disk 10 from being led by card.
As a kind of improved specific embodiment,
It is provided with mounting groove 36 in the roll disk 10, the second internal screw thread, the pull rod are provided on the mounting groove 36
It is provided with mounting blocks 37 on 12, fixed block 38 is set in the rotating bar 9, is provided with and the second internal screw thread on the fixed block 38
Second external screw thread of cooperation, the mounting blocks 37 are clamped between 36 inner wall of fixed block 38 and mounting groove.
Through the above technical solutions, during installation, first roll disk 10 is placed in accommodating chamber 6, rotating bar 9 is passed through later
Perforation 8 on upper spacer 7 is set, pull rod 12 is passed through to the via hole 11 being arranged in rotating bar 9, the peace on pull rod 12 later
Dress block 37 is first placed into mounting groove 36, later again will pacify fixed block 38 by the cooperation of the second external screw thread and the second internal screw thread
Block 37 is filled to clamp.Such structure installs more convenient.
As a kind of improved specific embodiment,
The direction of upper hinged block 23 and lower hinged block 24 is separately provided for phase backwards for the upper housing 4 and lower case 5
The upper piece 39 and lower piece 40 of mutual split are hinged with hinge bar 41 on the lower piece 40, are provided on the hinge bar 41
Button bar 42, the upper piece 39 are provided with button block 43 backwards to lower 40 side of piece, and the button block 43 is set backwards to upper 39 side of piece
It is equipped with curved end 44, the button bar 42 is clasped between button block 43 and upper piece 39 by rotation.
Through the above technical solutions, rotating hinge bar 41 after completing lid and closing, button bar 42 being snapped into button block 43 and upper spelling
Between block 39, material is thus formed the fixed structures of fixed a upper housing 4 and lower case 5, while in the selection of button bar 42
Plastic material can be selected, certain deformation can be generated.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of device for detecting food pesticide residue, it is characterised in that:
Including soaking box (1), input pipe (2) and efferent duct (3)；
The soaking box (1) includes upper housing (4) and lower case (5), is respectively provided in the upper housing (4) and lower case (5)
One and half chambers, upper housing (4) and latter two half chamber of lower case (5) split form a complete accommodating chamber (6)；
One end of the upper housing (4) is provided with upper spacer (7), is provided with perforation (8), the perforation on the upper spacer (7)
(8) it wears and is equipped with rotating bar (9) in, the first external screw thread on the rotating bar (9) is provided with outside first on the rotating bar (9)
Screw thread, it is described perforation (8) on be provided with the first external screw thread cooperation the first internal screw thread, form a screw structure；
Described rotating bar (9) one end is located in accommodating chamber (6), and the other end is pierced by from perforation (8), and the rotating bar (9) is located at
One end of accommodating chamber (6) is provided with roll disk (10), is provided with via hole (11), the via hole on the rotating bar (9)
(11) it is provided with pull rod (12) in, described pull rod (12) one end and roll disk (10) are rotatablely connected, and the other end stretches out soaking box (1)
Outside, injection hole (13) are provided on the pull rod (12)；
The through-hole (14) be connected with accommodating chamber (6) and injection hole (13), the injection hole are provided on the roll disk (10)
(13) it is provided in check valve (15), check valve (15) the control fluid enters accommodating chamber (6) by injection hole (13), prevents
In accommodating chamber (6) fluid reflux to injection hole (13)；
The upper embedded groove (16) for upper spacer (7) insertion is provided on the lower case (5), the lower case (5) is backwards to fovea superior
The side of slot is provided with lower clapboard (17), is provided with outlet tube (47) on the lower clapboard (17)；It is arranged on the upper housing (4)
There is the upper embedded groove (16) for lower clapboard (17) insertion；
The efferent duct (3) is socketed on outlet tube (47), and the input pipe (2) is for being inserted into pull rod (12) backwards to roll disk
(10) in injection hole (13) opening of side.
2. a kind of device for detecting food pesticide residue according to claim 1, it is characterised in that:
Lower case (5) edge, lower clapboard (17) edge, upper embedded groove (16) edge form continuous lower edge (20)；
Upper housing (4) edge, upper spacer (7) edge, lower caulking groove (18) edge form continuous lower edge (20)；
It is fixedly connected with rubber weather strip (21) on the lower edge (20), is provided on the upper edge (19) for rubber seal
The seal groove (22) of item (21) insertion.
3. a kind of device for detecting food pesticide residue according to claim 2, it is characterised in that:
It is provided with hinged block (23) on the upper housing (4), is provided with lower hinged block (24) on the lower case (5), it is described
Be provided with hinge hole (25) on upper hinged block (23), on the lower handover block setting for upper hinge hole (25) it is concentric under
Hinge hole (26) penetrates articulated shaft (27) simultaneously in the upper hinge hole (25) and lower hinge hole (26).
4. a kind of device for detecting food pesticide residue according to claim 3, it is characterised in that:
The side that the pull rod (12) stretches out accommodating chamber (6) is provided with mounting disc (28), be provided on the mounting disc (28) with
The guide hole (29) of injection hole (13) conducting, is provided at least two slippage slots (30), the slippage slot on the mounting disc (28)
(30) sliding is connected with the sliding plate (31) for closing guide hole (29) in, and the sliding plate (31) is backwards to closing guide hole (29)
Side is provided with the response agency for keeping sliding plate (31) closing guide hole (29), and the slippage slot (30) is with guide hole (29) for the center of circle
Circumferentially permutation is distributed.
5. a kind of device for detecting food pesticide residue according to claim 4, it is characterised in that:
The response agency is spring (32), and described spring (32) one end is connected to the other end on sliding plate (31) and is fixed on sliding
Slot (30) inner wall.
6. a kind of device for detecting food pesticide residue according to claim 5, it is characterised in that:
One end of sliding plate (31) towards the guide hole (29) is provided with inclined surface (33), is provided with point on the input pipe (2)
Portion (34), the tip (34) with inclined surface (33) for contacting and strutting sliding plate (31).
7. a kind of device for detecting food pesticide residue according to claim 6, it is characterised in that:
It is fixed with rubber ring (35) in the perforation (8), first external screw thread is arranged in the inner ring of rubber ring (35), described
Rotating bar (9) is passed through from rubber ring (35).
8. a kind of device for detecting food pesticide residue according to claim 7, it is characterised in that:
The fan-shaped setting of the roll disk (10).
9. a kind of device for detecting food pesticide residue according to claim 8, it is characterised in that:
It is provided with mounting groove (36) on the roll disk (10), is provided with the second internal screw thread, the drawing on the mounting groove (36)
It is provided on bar (12) mounting blocks (37), fixed block (38) is set on the rotating bar (9), be provided on the fixed block (38)
With the second external screw thread of the second screw-internal thread fit, the mounting blocks (37) are clamped in fixed block (38) and mounting groove (36) inner wall
Between.
10. a kind of device for detecting food pesticide residue according to claim 9, it is characterised in that:
The upper housing (4) and lower case (5) are respectively set useful backwards to the direction of upper hinged block (23) and lower hinged block (24)
It is hinged with hinge bar (41) on the upper piece (39) and lower piece (40) of mutual split, the lower piece (40), it is described hinged
It is provided on bar (41) button bar (42), the upper piece (39) is provided with button block (43), the button backwards to lower piece (40) side
Block (43) is provided with curved end (44) backwards to upper piece (39) side, and the button bar (42) is clasped into rotary buckle is crossed in button block
(43) between upper piece (39).
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| CN201810957519.7A CN109187890B (en) | 2018-08-21 | 2018-08-21 | Device for detecting pesticide residue in food |
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| CN201810957519.7A CN109187890B (en) | 2018-08-21 | 2018-08-21 | Device for detecting pesticide residue in food |
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| CN109187890B CN109187890B (en) | 2021-06-08 |
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| CN109187890B (en) | 2021-06-08 |
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