CN109490493A - A kind of pesticide residue detection method - Google Patents
A kind of pesticide residue detection method Download PDFInfo
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- CN109490493A CN109490493A CN201811350632.5A CN201811350632A CN109490493A CN 109490493 A CN109490493 A CN 109490493A CN 201811350632 A CN201811350632 A CN 201811350632A CN 109490493 A CN109490493 A CN 109490493A
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- cylinder
- fixed
- stocking
- top surface
- gag lever
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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
- G01N1/286—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
-
- 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
- G01N33/025—Fruits or vegetables
Abstract
The present invention relates to field of pesticide detection, specifically a kind of pesticide residue detection method, this method uses Pesticides Testing instrument, including supporting table, fixed mechanism, compression mechanism, holding structure, stocking mechanism, filter mechanism, position-limit mechanism and plug screw；Engaging and the stocking mechanism that is slidably connected inside fixed mechanism, the inner bottom of stocking mechanism are installed filter mechanism, and the internal slide connect compressor structure of stocking mechanism, are threadedly coupled between the top surface and plug screw of compression mechanism；When agricultural product go out juice by compression mechanism compressive failure in the inside of stocking mechanism, juice is discharged after filter mechanism filters, some impurity stay in the surface of stocking mechanism and filter mechanism, stocking mechanism is taken out from the inside of fixed mechanism, opens stocking mechanism, facilitates and takes out filter mechanism and compression mechanism, to facilitate the impurity inside clean cleaning stocking mechanism and filter mechanism, so that impurity is not left in the inside of filter mechanism and stocking mechanism, avoid pollution sample, improves the accuracy of detection.
Description
Technical field
The present invention relates to field of pesticide detection, specifically a kind of pesticide residue detection method.
Background technique
Pesticide residue refers to the pesticide parent remained in after Pesticide use in environment, organism and food, pesticide residue danger
The general name of evil derivative, metabolin, degradation product and impurity.The mainly some countries for causing vegetable pesticide residue amount exceeded forbid
Vegetables production used in organophosphorus pesticide and carbamate chemicals for agriculture, as acephatemet, flolimat, thimet, to sulphur
Phosphorus, parathion-methyl etc..It is edible to will lead to people, animal acute poisoning thing containing food caused by a large amount of high poisons, highly toxic pesticide residual
Therefore.The agricultural and sideline product of long-term consumption excessive pesticide residues may cause the slow of humans and animals although not will lead to acute poisoning
Property poisoning, lead to the generation of disease, induce cancer, or even influence the next generation.
When progress Pesticides Testing is set, need to extract the sample of agricultural products, but existing some samples mention
It takes the inside of device to be difficult to clean out, causes impurity inside extraction element excessive, meeting contaminated samples reduce detection sample
Accuracy.In consideration of it, the present invention provides a kind of pesticide residue detection method, have the following characteristics that
(1) a kind of pesticide residue detection method of the present invention, this method use Pesticides Testing instrument, fixed mechanism it is interior
Portion's engaging and the stocking mechanism that is slidably connected, the inner bottom of stocking mechanism install filter mechanism, and the internal slide of stocking mechanism
Connect compressor structure is threadedly coupled between the top surface and plug screw of compression mechanism；When agricultural product are compressed in the inside of stocking mechanism
Mechanism compressive failure goes out juice, and juice is discharged after filter mechanism filters, and some impurity stay in stocking mechanism and filter mechanism
Surface, from the inside of fixed mechanism take out stocking mechanism, rotation/compression mechanism, that is, openable stocking mechanism, facilitate taking-up filter
Mechanism and compression mechanism were not left in impurity to facilitate the impurity inside clean cleaning stocking mechanism and filter mechanism
The inside of filter structure and stocking mechanism, avoids pollution sample.
(2) a kind of pesticide residue detection method of the present invention, this method use Pesticides Testing instrument, filter mechanism and pressure
Position-limit mechanism is installed between contracting mechanism, when internal slide of the compression mechanism in stocking mechanism, compression mechanism is pressed down against limit
Mechanism, position-limit mechanism are pressed down against filter mechanism, and filter mechanism is firmly fixed to the inside of stocking mechanism.
Summary of the invention
For the problems of the prior art, the present invention provides a kind of pesticide residue detection method, this method uses pesticide
The inside of detector, fixed mechanism engages and the stocking mechanism that is slidably connected, and the inner bottom of stocking mechanism installs filter mechanism, and
The internal slide connect compressor structure of stocking mechanism is threadedly coupled between the top surface and plug screw of compression mechanism；When agricultural product are storing up
The inside for depositing mechanism goes out juice by compression mechanism compressive failure, and juice is discharged after filter mechanism filters, and some impurity stay in
Stocking mechanism, rotation/compression mechanism, that is, openable storage are taken out from the inside of fixed mechanism in the surface of stocking mechanism and filter mechanism
Mechanism is deposited, facilitates and takes out filter mechanism and compression mechanism, to facilitate inside clean cleaning stocking mechanism and filter mechanism
Impurity makes impurity be not left in the inside of filter mechanism and stocking mechanism, sample is avoided pollution, between filter mechanism and compression mechanism
Position-limit mechanism is installed, when internal slide of the compression mechanism in stocking mechanism, compression mechanism is pressed down against position-limit mechanism, position restrainer
Structure is pressed down against filter mechanism, and filter mechanism is firmly fixed to the inside of stocking mechanism.
The technical solution adopted by the present invention to solve the technical problems is: a kind of pesticide residue detection method, this method packet
Include following steps:
The sample just picked is put into sample liquid extract equipment by S1, produces detection sample liquid；
Detection sample liquid obtained in S1 is sent into Pesticides Testing instrument and is detected by S2；
S3, Pesticides Testing instrument print examining report；
The sample liquid extract equipment that this method uses includes supporting table, fixed mechanism, compression mechanism, holding structure, storage machine
Structure, filter mechanism, position-limit mechanism and plug screw；The holding structure is installed in one end of the supporting table, and the supporting table is another
One end is installed by the fixed mechanism；The inside of the fixed mechanism engages and the stocking mechanism that is slidably connected, and the storage
It is threadedly coupled between the top of mechanism and the top of the compression mechanism；The inside of the compression mechanism and the stocking mechanism is sliding
Dynamic connection；The bottom end side wall of the stocking mechanism is slidably connected the filter mechanism, and institute is installed in the top surface of the filter mechanism
State position-limit mechanism；The position-limit mechanism is connect with the internal slide of the stocking mechanism, and the top of the position-limit mechanism contradicts
The compression mechanism；It is threadedly coupled between the top surface of the compression mechanism and the plug screw.
Specifically, the fixed mechanism includes cabinet, fixed ring, card slot, fixed plate and placing groove, the top of the supporting table
The cabinet is installed in face, and the fixed ring is mounted equidistant in the top surface of the cabinet；The inside of the cabinet is equidistantly equipped with described
Placing groove, and the placing groove is connected to the inside of the fixed ring；The side wall of the placing groove is equidistantly equipped with the card slot,
The card slot is set to the inside of the cabinet, and the internal slide of the card slot connects the fixed plate.
Specifically, the stocking mechanism includes the first cylinder and the second cylinder, the placing groove and the fixed ring it is interior
Portion is slidably connected first cylinder, and the side wall of first cylinder is mounted equidistant the fixed plate, and first cylinder
Inside is fixedly connected with second cylinder.
Specifically, the compression mechanism includes fixing sleeve, screw rod, compact disk, convex block, fixed disk, blanking hole and supporting block,
Inside the top of first cylinder be threadedly coupled between the side wall of the fixing sleeve, the inside of the fixing sleeve and the spiral shell
It is threadedly coupled between bar；The compact disk is installed in the bottom end of the screw rod, and cone is uniformly installed in the bottom surface of the compact disk
The convex block, and the internal slide of the screw rod, the compact disk, the convex block and the fixed disk and second cylinder
Connection；The inner bottom of second cylinder is symmetrically installed the supporting block of arc；Described in the top surface of the supporting block contradicts
Fixed disk, and the blanking hole equipped with reverse frustoconic of the inside of the fixed disk, the compact disk and the fixed disk
Diameter is equal to the internal diameter of second cylinder.
Specifically, the filter mechanism includes groove, fixed ball, strainer and support plate, the bottom end side of second cylinder
Wall is equipped with the groove；The fixed ball, the fixed ball is symmetrically mounted equidistant in the bottom end inner sidewall of first cylinder
Top surface contradict the support plate and the strainer；The support plate of the both ends difference mounting circular ring shape of the strainer, one
The support plate contradicts the inner sidewall of first cylinder, another described support plate contradicts the lateral wall of second cylinder.
Specifically, the position-limit mechanism that is slidably connected between first cylinder and second cylinder；The position restrainer
Structure includes the first gag lever post, the second gag lever post, spring and link block, and first limit is mounted equidistant in the top surface of the strainer
Bar, the top of first gag lever post are connect with the internal slide of second gag lever post；Pacify the inside of second gag lever post
The spring is filled, and the bottom end of the spring contradicts first gag lever post；Install semicircle in the top surface of second gag lever post
The link block, and the top surface of the link block and the bottom surface of the fixing sleeve are slidably connected.
Specifically, being threadedly coupled between the top surface of the fixing sleeve and the plug screw, and the plug screw is located at described first
Between cylinder and second cylinder.
Specifically, the holding structure includes connection ring and mounting plate, the top surface of the supporting table is mounted equidistant side wall and is
The mounting plate of L shape, and the sidewall symmetry of the mounting plate installs the fixed ring.
Beneficial effects of the present invention:
(1) a kind of pesticide residue detection method of the present invention, this method use Pesticides Testing instrument, fixed mechanism it is interior
Portion's engaging and the stocking mechanism that is slidably connected, the inner bottom of stocking mechanism install filter mechanism, and the internal slide of stocking mechanism
Connect compressor structure is threadedly coupled between the top surface and plug screw of compression mechanism；When agricultural product are compressed in the inside of stocking mechanism
Mechanism compressive failure goes out juice, and juice is discharged after filter mechanism filters, and some impurity stay in stocking mechanism and filter mechanism
Surface, from the inside of fixed mechanism take out stocking mechanism, rotation/compression mechanism, that is, openable stocking mechanism, facilitate taking-up filter
Mechanism and compression mechanism were not left in impurity to facilitate the impurity inside clean cleaning stocking mechanism and filter mechanism
The inside of filter structure and stocking mechanism, avoids pollution sample.
(2) a kind of pesticide residue detection method of the present invention, this method use Pesticides Testing instrument, filter mechanism and pressure
Position-limit mechanism is installed between contracting mechanism, when internal slide of the compression mechanism in stocking mechanism, compression mechanism is pressed down against limit
Mechanism, position-limit mechanism are pressed down against filter mechanism, and filter mechanism is firmly fixed to the inside of stocking mechanism.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is fixed mechanism schematic diagram of internal structure shown in FIG. 1；
Fig. 3 is stocking mechanism shown in Fig. 2 and compression mechanism internal structure decomposition diagram；
Fig. 4 is stocking mechanism cross-sectional view of the structure shown in Fig. 2；
Fig. 5 is position-limit mechanism schematic diagram of internal structure shown in Fig. 3.
In figure: 1, supporting table, 2, fixed mechanism, 21, cabinet, 22, fixed ring, 23, card slot, 24, fixed plate, 25, placement
Slot, 3, compression mechanism, 31, fixing sleeve, 32, screw rod, 33, compact disk, 34, convex block, 35, fixed disk, 36, blanking hole, 37, support
Block, 4, holding structure, 41, connection ring, 42, mounting plate, 5, stocking mechanism, the 51, first cylinder, the 52, second cylinder, 6, filter
Structure, 61, groove, 62, fixed ball, 63, strainer, 64, support plate, 7, position-limit mechanism, the 71, first gag lever post, the 72, second limit
Bar, 73, spring, 74, link block, 8, plug screw.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As Figure 1-Figure 5, a kind of pesticide residue detection method of the present invention, method includes the following steps:
The sample just picked is put into sample liquid extract equipment by S1, produces detection sample liquid；
Detection sample liquid obtained in S1 is sent into Pesticides Testing instrument and is detected by S2；
S3, Pesticides Testing instrument print examining report；
The sample liquid extract equipment that this method uses includes supporting table 1, fixed mechanism 2, compression mechanism 3, holding structure 4, storage
Deposit mechanism 5, filter mechanism 6, position-limit mechanism 7 and plug screw 8；The holding structure 4 is installed in one end of the supporting table 1, and described
The other end of supporting table 1 installs the fixed mechanism 2；The inside of the fixed mechanism 2 engages and the storage machine that is slidably connected
Structure 5, and be threadedly coupled between the top of the stocking mechanism 5 and the top of the compression mechanism 3；The compression mechanism 3 and institute
State the internal slide connection of stocking mechanism 5；The bottom end side wall of the stocking mechanism 5 is slidably connected the filter mechanism 6, and described
The top surface of filter mechanism 6 is installed by the position-limit mechanism 7；The position-limit mechanism 7 is connect with the internal slide of the stocking mechanism 5,
And the top of the position-limit mechanism 7 contradicts the compression mechanism 3；Screw thread between the top surface and the plug screw 8 of the compression mechanism 3
Connection.
Specifically, the fixed mechanism 2 includes cabinet 21, fixed ring 22, card slot 23, fixed plate 24 and placing groove 25, institute
The cabinet 21 is installed in the top surface for stating supporting table 1, and the fixed ring 22 is mounted equidistant in the top surface of the cabinet 21；The cabinet
21 inside is equidistantly equipped with the placing groove 25, and the placing groove 25 is connected to the inside of the fixed ring 22；The placement
The side wall of slot 25 is equidistantly equipped with the card slot 23, and the card slot 23 is set to the inside of the cabinet 21, and the card slot 23
Internal slide connects the fixed plate 24, and first cylinder 51 enters the inside of the placing groove 25, while institute for convenience
The inside that the first cylinder 51 drives the fixed plate 24 to enter the card slot 23 is stated, so that first cylinder 51 is fixed on institute
The inside for stating cabinet 21 avoids first cylinder 51 in the inner rotation of the cabinet 21.
Specifically, the stocking mechanism 5 includes the first cylinder 51 and the second cylinder 52, the placing groove 25 and the fixation
The internal slide of ring 22 connects first cylinder 51, and the fixed plate 24 is mounted equidistant in the side wall of first cylinder 51, and
The inside of first cylinder 51 is fixedly connected with second cylinder 52, and product is put into second cylinder 52 for convenience
Inside, the agricultural product juice after squeezing is between first cylinder 51 and second cylinder 52.
Specifically, the compression mechanism 3 includes fixing sleeve 31, screw rod 32, compact disk 33, convex block 34, fixed disk 35, blanking
Hole 36 and supporting block 37, inside the top of first cylinder 51 be threadedly coupled between the side wall of the fixing sleeve 31, make institute
Fixing sleeve 31 is stated by the top closure of first cylinder 51 and second cylinder 52, the inside of the fixing sleeve 31 with it is described
It is threadedly coupled between screw rod 32；The compact disk 33 is installed in the bottom end of the screw rod 32, and the bottom surface of the compact disk 33 is uniform
The convex block 34 of cone, and the screw rod 31, the compact disk 33, the convex block 34 and the fixed disk 35 and institute are installed
State the internal slide connection of the second cylinder 52；The inner bottom of second cylinder 52 is symmetrically installed the supporting block of arc
37；The top surface of the supporting block 37 contradicts the fixed disk 35, and the fixed disk 35 is fixed on to the top surface of the supporting block 37,
And the blanking hole 36 equipped with reverse frustoconic of the inside of the fixed disk 35, the compact disk 33 and the fixed disk 35
Diameter is equal to the internal diameter of second cylinder 52, and agricultural product are placed on to the top surface of the fixed disk 35, the screw rod for convenience
32 the fixing sleeve 31 inner rotation, make the screw rod 32 that the compact disk 33 and the convex block 34 be driven to move downward crowded
Agricultural product are pressed, make agricultural product by 33 attrition crushing of compact disk, juice enters second cylinder through the blanking hole 36
52 bottom end.
Specifically, the filter mechanism 6 includes groove 61, fixed ball 62, strainer 63 and support plate 64, second cylinder
52 bottom end side wall is equipped with the groove 61；The fixation is symmetrically mounted equidistant in the bottom end inner sidewall of first cylinder 51
The top surface of ball 62, the fixed ball 62 contradicts the support plate 64 and the strainer 63；It installs respectively at the both ends of the strainer 63
The support plate 64 of circular ring shape, a support plate 64 contradict the inner sidewall of first cylinder 51, another described branch
Fagging 64 contradicts the lateral wall of second cylinder 52, in order to make the strainer 63 be fixed on first cylinder 51 and described
Between two cylinders 52, juice enters first cylinder 51 and described from the inside of second cylinder 52 by the groove 61
Between second cylinder 52, juice is filtered through the strainer 63, and impurity stays in the bottom end of the strainer 63.
Specifically, the position-limit mechanism 7 that is slidably connected between first cylinder 51 and second cylinder 52；The limit
Position mechanism 7 includes the first gag lever post 71, the second gag lever post 72, spring 73 and link block 74, and the top surface of the strainer 63 is equidistantly pacified
First gag lever post 71 is filled, the top of first gag lever post 71 is connect with the internal slide of second gag lever post 72；Institute
The spring 73 is installed in the inside for stating the second gag lever post 72, and the bottom end of the spring 73 contradicts first gag lever post 71；Institute
The top surface for stating the second gag lever post 72 is installed by the semicircular link block 74, and the top surface of the link block 74 and the fixing sleeve
31 bottom surface is slidably connected, in order to make the fixing sleeve 31 when the inside of first cylinder 51 moves downward, the fixation
31 compression second gag lever post 72 of set, moves downward second gag lever post 72, first gag lever post 71 is made to compress institute
The spring 73 inside the second gag lever post 72 is stated, the first gag lever post 71 described in 73 reverse extrusion of spring makes described first
Gag lever post 71 squeezes the strainer 63, and the strainer 63 is fixed on to the top surface of the fixed ball 62；And the fixing sleeve 31 to
When lower rotation, the fixing sleeve 31 rotates on the top of the semicircular link block 74, to reduce 31 turns of the fixing sleeve
Frictional force when dynamic.
Specifically, being threadedly coupled between the top surface of the fixing sleeve 31 and the plug screw 8, and the plug screw 8 is positioned at described
Between first cylinder 51 and second cylinder 52, the plug screw 8 is taken out for convenience, by first cylinder 51 and described
Juice between two cylinders 52 is discharged from the top surface of the fixing sleeve 31.
Specifically, the holding structure 4 includes connection ring 41 and mounting plate 42, the top surface of the supporting table 1 is mounted equidistant
Side wall is the mounting plate 42 of L shape, and the sidewall symmetry of the mounting plate 42 installs the fixed ring 41, for convenience will
Test tube runs through the connection ring 41, and test tube is fixed on to the side wall of the mounting plate 42.
When in use, fixed disk 35 is put into the inside of the second cylinder 52, fixed disk 35 is sliding in the inside of the second cylinder 52
The dynamic bottom surface for making fixed disk 35 contradicts the top surface of supporting block 37, and fixed disk 35 is fixed on to the inside of the second cylinder 52, agricultural product
It is put into the inside of the second cylinder 52, agricultural product is made to be located at the top surface of fixed disk 35；Filter mechanism 6 and position-limit mechanism 7 are put into
Between one cylinder 51 and the second cylinder 52,64 slide downward of strainer 63 and support plate, two pieces of supporting blocks 54 contradict first respectively
The side wall slide downward of the inner sidewall of body 51 and the second cylinder 52 makes strainer 63 and one of support plate 64 contradict the first cylinder
Fixation ball 62 inside 51；Compact disk 33 and screw rod 32 are put into the inside of the second cylinder 52, make fixing sleeve 31 and the first cylinder
51 interior contact rotates fixing sleeve 31, connect fixing sleeve 31 and the internal whorl of the first cylinder 51, fixing sleeve 31 is first
The inside of cylinder 51 rotates down, and the bottom surface of fixing sleeve 31 is contacted with link block 74, with the movement of fixing sleeve 31, makes link block
74 and second gag lever post 72 be squeezed, move downward the second gag lever post 72, the inner sidewall of the second gag lever post 71 is in the first limit
The top of position bar 71 moves downward, and the first gag lever post 71 is made to compress the spring 73 inside the second gag lever post 72, and spring 73 reversely squeezes
The first gag lever post 71 is pressed, the first gag lever post 71 is made to be pressed down against strainer 63, strainer 63 is fixed on to the top surface of fixed ball 62；And it is solid
Surely when set 31 rotates down, fixing sleeve 31 rotates on the top of semicircular link block 74, thus when reducing the rotation of fixing sleeve 31
Frictional force.After fixing sleeve 31 is by the top closure of the first cylinder 51 and the second cylinder 52, the first cylinder 51 is slid into and is placed
The inside of slot 25, inside slide downward of first cylinder 51 in cabinet 21, the first cylinder 51 drive entrance card slot 23 of fixed plate 24
Inside, when fixing sleeve 31 enter 22 inside of fixed ring when, the first cylinder 51 be bonded placing groove 25, while fixed plate 24 engaging card
Slot 23 avoids the first cylinder 51 in the inner rotation of cabinet 21 so that the first cylinder 51 to be fixed on to the inside of cabinet 21.Rotation
Screw rod 32, in the inner rotation of fixing sleeve 31, screw rod 32 moves downward screw rod 32 in the inside of the second cylinder 52, makes 32 band of screw rod
Dynamic compact disk 33 and conical shaped projections 34 move downward extruding agricultural product, and agricultural product are between fixed disk 35 and convex block 34, circle
It is broken that the convex block 34 of taper is extruded agricultural product, and juice enters second through the blanking hole 36 of 35 inside truncated cone-shaped of fixed disk
The bottom end of body 52；And the diameter of compact disk 33 and fixed disk 35 is equal to the internal diameter of the second cylinder 52, compresses compact disk 33 comprehensively
Agricultural product are adequately compressed agricultural product broken.Juice juice enters the first cylinder from the inside of the second cylinder 52 by groove 61
51 and second between cylinder 52, and juice is moved upwards to be filtered through strainer 63, and impurity is made to stay in the bottom end of strainer 63, and one
Support plate 64 contradicts the inner sidewall of the first cylinder 51, another support plate 64 contradicts the lateral wall of the second cylinder 52, makes strainer 63
Sufficiently filtering juice.After squeezing, the first cylinder 51 is taken out, rotates plug screw 8, fixing sleeve 31 is opened, by the first cylinder
51 and the second juice between cylinder 52 pour into the inside of test tube, in carrying out detection process, by test tube through connection ring 41 from
And test tube is fixed on to the side wall of mounting plate 42, facilitate people to carry out experimental implementation.After use, fixing sleeve 31 is rotated,
Fixing sleeve 31 is taken out from the inside of the first cylinder 51, fixing sleeve 31 drives screw rod 32 and compact disk 33 out of second cylinder 52
Portion takes out, and in 31 motion process of fixing sleeve, the elongation of spring 73 pushes the second gag lever post 72 in the first cylinder 51 and the second cylinder
Upward sliding between 52 pulls up the second gag lever post 72 after taking out fixing sleeve 31, thus the first gag lever post 71 of drive,
Strainer 63 and support plate 64 skid off between the first cylinder 51 and the second cylinder 52, then by fixed disk 35 out of second cylinder 52
Portion takes out, and opens the first cylinder 51 and the second cylinder 52, then will be miscellaneous inside stocking mechanism 5, compression mechanism 3 and filter mechanism 7
After matter is successively cleaned out, impurity is avoided to stay in 7 internal contamination sample of stocking mechanism 5, compression mechanism 3 and filter mechanism.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the description in above embodiment and specification only illustrates the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement is both fallen in the scope of protection of present invention.The claimed scope of the invention is by appended claims and its equivalent
Object defines.
Claims (8)
1. a kind of pesticide residue detection method, which is characterized in that method includes the following steps:
The sample just picked is put into sample liquid extract equipment by S1, produces detection sample liquid；
Detection sample liquid obtained in S1 is sent into Pesticides Testing instrument and is detected by S2；
S3, Pesticides Testing instrument print examining report；
The sample liquid extract equipment that this method uses includes supporting table (1), fixed mechanism (2), compression mechanism (3), holding structure
(4), stocking mechanism (5), filter mechanism (6), position-limit mechanism (7) and plug screw (8)；Described in one end installation of the supporting table (1)
Holding structure (4), and the other end of the supporting table (1) installs the fixed mechanism (2)；The inside of the fixed mechanism (2)
Engage and the be slidably connected stocking mechanism (5), and the top on the top of the stocking mechanism (5) and the compression mechanism (3)
Between be threadedly coupled；The compression mechanism (3) connect with the internal slide of the stocking mechanism (5)；The stocking mechanism (5)
Bottom end side wall is slidably connected the filter mechanism (6), and the position-limit mechanism (7) is installed in the top surface of the filter mechanism (6)；Institute
It states position-limit mechanism (7) to connect with the internal slide of the stocking mechanism (5), and described in the top conflict of the position-limit mechanism (7)
Compression mechanism (3)；It is threadedly coupled between the top surface of the compression mechanism (3) and the plug screw (8).
2. a kind of pesticide residue detection method according to claim 1, it is characterised in that: the fixed mechanism (2) includes
The top surface of cabinet (21), fixed ring (22), card slot (23), fixed plate (24) and placing groove (25), the supporting table (1) is installed by institute
It states cabinet (21), and the fixed ring (22) are mounted equidistant in the top surface of the cabinet (21)；The inside of the cabinet (21) is equidistant
Equipped with the placing groove (25), and the placing groove (25) is connected to the inside of the fixed ring (22)；The placing groove (25)
Side wall be equidistantly equipped with the card slot (23), the card slot (23) is set to the inside of the cabinet (21), and the card slot
(23) internal slide connects the fixed plate (24).
3. a kind of pesticide residue detection method according to claim 2, it is characterised in that: the stocking mechanism (5) includes
First cylinder (51) and the second cylinder (52), the placing groove (25) connect described with the internal slide of the fixed ring (22)
The side wall of one cylinder (51), first cylinder (51) is mounted equidistant the fixed plate (24), and first cylinder (51)
Inside is fixedly connected with second cylinder (52).
4. a kind of pesticide residue detection method according to claim 3, it is characterised in that: the compression mechanism (3) includes
Fixing sleeve (31), screw rod (32), compact disk (33), convex block (34), fixed disk (35), blanking hole (36) and supporting block (37), institute
State inside the top of the first cylinder (51) be threadedly coupled between the side wall of the fixing sleeve (31), the fixing sleeve (31) it is interior
It is threadedly coupled between portion and the screw rod (32)；The bottom end of the screw rod (32) is installed by the compact disk (33), and the compression
The convex block (34) of cone is uniformly installed in the bottom surface of disk (33), and the screw rod (31), the compact disk (33), described convex
Block (34) and the fixed disk (35) are connect with the internal slide of second cylinder (52)；The inside of second cylinder (52)
Bottom end is symmetrically installed the supporting block (37) of arc；The top surface of the supporting block (37) contradicts the fixed disk (35), and institute
State the blanking hole (36) equipped with reverse frustoconic of the inside of fixed disk (35), the compact disk (33) and the fixed disk
(35) diameter is equal to the internal diameter of second cylinder (52).
5. a kind of pesticide residue detection method according to claim 4, it is characterised in that: the filter mechanism (6) includes
The bottom end side wall of groove (61), fixed ball (62), strainer (63) and support plate (64), second cylinder (52) is equipped with institute
State groove (61)；The fixed ball (62), the fixed ball is symmetrically mounted equidistant in the bottom end inner sidewall of first cylinder (51)
(62) top surface contradicts the support plate (64) and the strainer (63)；The both ends difference mounting circular ring shape of the strainer (63)
The support plate (64), a support plate (64) contradict the inner sidewall of first cylinder (51), another described support
Plate (64) contradicts the lateral wall of second cylinder (52).
6. a kind of pesticide residue detection method according to claim 5, it is characterised in that: first cylinder (51) and institute
State be slidably connected between the second cylinder (52) position-limit mechanism (7)；The position-limit mechanism (7) include the first gag lever post (71),
First gag lever post is mounted equidistant in the top surface of second gag lever post (72), spring (73) and link block (74), the strainer (63)
(71), the top of first gag lever post (71) is connect with the internal slide of second gag lever post (72)；Second limit
The spring (73) is installed in the inside of bar (72), and the bottom end of the spring (73) contradicts first gag lever post (71)；It is described
The semicircular link block (74) is installed in the top surface of second gag lever post (72), and the top surface of the link block (74) with it is described solid
The bottom surface of fixed set (31) is slidably connected.
7. a kind of pesticide residue detection method according to claim 6, it is characterised in that: the top surface of the fixing sleeve (31)
It is threadedly coupled between the plug screw (8), and the plug screw (8) is located at first cylinder (51) and second cylinder (52)
Between.
8. a kind of pesticide residue detection method according to claim 1, it is characterised in that: the holding structure (4) includes
The mounting plate that side wall is L shape is mounted equidistant in connection ring (41) and mounting plate (42), the top surface of the supporting table (1)
(42), and the sidewall symmetry of the mounting plate (42) installs the fixed ring (41).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111829846A (en) * | 2020-07-15 | 2020-10-27 | 曹方芹 | Automatic detection processing method for residual pesticides of fruits and vegetables |
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