CN219245031U

CN219245031U - Sampler for pesticide residue detection

Info

Publication number: CN219245031U
Application number: CN202222293812.2U
Authority: CN
Inventors: 梁红霞; 黄颖仁; 麻春梅; 吴峰; 韦洪逍
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-06-23
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses a sampler for detecting pesticide residues, which comprises a sample tube, wherein the periphery and the bottom of the sample tube are provided with the same extraction mechanism, the top of the sample tube is provided with a discharge mechanism, the extraction mechanism comprises an extraction head and a disassembly sleeve, convex strips are arranged at the front end, the rear end and the two sides of the periphery of the extraction head, a toothed ring blade is arranged at the bottom of the extraction head, a cutting knife strip is arranged between the two sides of the toothed ring blade in a penetrating way, a threaded section is arranged at the top end of the inner wall of the extraction head, a spiral groove is arranged at the bottom end of the periphery of the sample tube, a fixed ring is arranged at the position of the periphery of the sample tube close to the middle part and positioned in the disassembly sleeve, and a groove is formed in the outer part of each convex strip and penetrates through the inner wall of the disassembly sleeve close to the bottom end; the sampler for detecting pesticide residues is convenient to sample, convenient to store, convenient to detach and mount the extraction head, convenient to take out the sample, and convenient to use next time.

Description

Sampler for pesticide residue detection

Technical Field

The utility model relates to the field of pesticide residues, in particular to a sampler for detecting pesticide residues.

Background

The pesticide residue refers to pesticide precursors which are remained in organisms, agricultural products (melons, fruits and vegetables) and the environment after pesticides are used in agricultural production, and derivatives with toxicological significance, such as metabolites, conveyances, reactants and impurities, cause food pollution and harm to health of people, so that the agricultural products need to be sampled and detected, and the scheme particularly relates to a sampler for detecting the pesticide residue;

however, the existing pesticide residue detection sampler has certain defects to be improved when in use, and is inconvenient for sampling agricultural products such as melons and fruits and the like and inconvenient to store after sampling, so that the extracted samples are not complete enough; the existing sampler for detecting pesticide residues is convenient for the stressed sampling of the extraction head when in use, and is inconvenient for the push rod to automatically restore to the original position when the sample is taken out, so that the next use is inconvenient, and a certain influence is brought to the actual use.

Disclosure of Invention

The utility model mainly aims to provide a sampler for detecting pesticide residues, which can effectively solve the problems in the background technology: when the existing sampler for detecting pesticide residues is used, sampling of agricultural products such as melons and fruits is inconvenient, and the sampling is inconvenient to store, so that the extracted samples are not complete; the existing sampler for detecting pesticide residues is convenient for the stressed sampling of the extraction head when in use, and the push rod is inconvenient to automatically restore to the original position when the sample is taken out, so that the technical problem of the next use is inconvenient.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a pesticide residue detects uses sampler, includes the sample cell, sample cell periphery and bottom are provided with same extraction mechanism, the sample cell top is provided with discharge mechanism, extraction mechanism is including extracting the head and dismantling the cover, it all is provided with the sand grip to draw head periphery back and forth end and both sides, it is provided with the ring gear blade to draw the head bottom, runs through install the cutting knife strip between the ring gear blade both sides, it is provided with the screw thread section to draw the head inner wall near the top, the sample cell periphery is provided with the helicoid near the bottom, the position that the sample cell periphery is close to the middle part just is located and dismantle the cover inside and be provided with solid fixed ring, runs through dismantle the cover inner wall near the bottom and be located every sand grip outside and all set up flutedly, dismantle the cover inner wall near the top and be provided with the dog.

As a further scheme of the utility model, the extraction head and the sample tube are in threaded connection, the thickness of the top end of the inner wall and the outer wall of the extraction head is larger than that of the bottom end, and the toothed ring blades are arranged in a zigzag manner.

As a further scheme of the utility model, the grooves and the raised strips are arranged in a clamping way, the disassembly sleeve is arranged at the periphery of the sample tube in a movable rotating way, and the disassembly sleeve is arranged at the periphery of the sample tube in a vertical sliding way.

As a further scheme of the utility model, the discharging mechanism comprises a top cover, handles are arranged on two sides of the top cover, a push rod is arranged penetrating through the top cover and the top of the sample tube, a spring is arranged on the periphery of the push rod and positioned at the top of the top cover, and a pressing handle is arranged at the top of the push rod.

As a further scheme of the utility model, the handle is arranged in a cylinder, and the spring is arranged in an ejecting mode in an initial state.

As a further scheme of the utility model, the push rod is arranged in the sample tube in a vertically sliding way, and the diameter of the pressing handle is larger than that of the push rod.

The beneficial effects of the utility model are as follows:

according to the utility model, the extraction mechanism is arranged, the extraction head and the toothed ring blade are used, when the extraction head is inserted into agricultural products such as melons and fruits, the melons and fruits are cut by rotation, the cut melons and fruits are separated into the extraction head and the sample tube by the cutting blade, so that the sample is conveniently sampled and stored, the sample can be kept complete, and when the sample is taken out, the extraction head is driven to rotate by using the disassembly sleeve, so that the extraction head is separated from the sample tube, and the sample tube is conveniently cleaned and detached and installed;

through setting up discharge mechanism, use the handle and press the handle, manual dragging handle and press the handle, make the push rod promote the sample, release the sample, be convenient for take out of sample, use the spring, press the handle and make the spring shrink, loosen when the sample is taken out completely and press the handle, the spring stretches out automatically and makes the push rod resume the normal position, the use of being convenient for next time reduces the pulling of push rod, improves work efficiency.

Drawings

FIG. 1 is a schematic diagram showing the overall structure of a sampler for detecting pesticide residues;

FIG. 2 is a schematic diagram showing the internal structure of an extraction mechanism in a sampler for detecting pesticide residues;

FIG. 3 is an enlarged view of the portion A of FIG. 2 of the sampler for detecting pesticide residues according to the present utility model;

fig. 4 is a schematic structural view of a sampler discharging mechanism for detecting pesticide residues according to the present utility model.

In the figure: 1. a sample tube; 2. an extraction mechanism; 3. a discharge mechanism; 4. an extraction head; 5. disassembling the sleeve; 6. a convex strip; 7. a toothed ring blade; 8. cutting the knife strip; 9. a threaded section; 10. a screw groove; 11. a fixing ring; 12. a groove; 13. a stop block; 14. a top cover; 15. a handle; 16. a push rod; 17. a spring; 18. and pressing the handle.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, a sampler for detecting pesticide residues comprises a sample tube 1, wherein the periphery and the bottom of the sample tube 1 are provided with a same extraction mechanism 2, the top of the sample tube 1 is provided with a discharge mechanism 3, the extraction mechanism 2 comprises an extraction head 4 and a disassembly sleeve 5, convex strips 6 are respectively arranged at the front end, the rear end and the two sides of the periphery of the extraction head 4, a toothed ring blade 7 is arranged at the bottom of the extraction head 4, a cutting knife strip 8 is arranged between the two sides of the toothed ring blade 7 in a penetrating way, a threaded section 9 is arranged at the top end of the inner wall of the extraction head 4, a screw groove 10 is arranged at the bottom end of the periphery of the sample tube 1, a fixed ring 11 is arranged in the disassembly sleeve 5 and is positioned at the inner side of the disassembly sleeve 5, grooves 12 are respectively formed in the outer side of each convex strip 6 in the penetrating way of the inner wall of the disassembly sleeve 5, and a stop 13 is arranged at the top end of the inner wall of the disassembly sleeve 5.

In this embodiment, draw first 4 and sample cell 1 and be threaded connection setting, draw the thickness on the outer wall top in the first 4 thickness that is greater than the bottom of first, toothed ring blade 7 is the cockscomb structure setting, can install and dismantle extraction first 4, makes extraction first 4 and sample cell 1 mutually fixed, and extraction first 4 can be convenient cut agricultural products such as melon and fruit in sample cell 1 bottom and draw.

In this embodiment, recess 12 is the joint setting with sand grip 6, and dismantlement cover 5 is located 1 peripheral being movable rotation setting of sample cell, and dismantlement cover 5 is located 1 peripheral being the slip setting from top to bottom of sample cell, and slip dismantlement cover 5 makes sand grip 6 and the mutual joint of recess 12, dismantles cover 5 at 1 peripheral rotation of sample cell, installs and dismantles extraction head 4, makes things convenient for the discharge of sample and sample.

In this embodiment, the discharging mechanism 3 includes a top cover 14, handles 15 are installed on two sides of the top cover 14, a push rod 16 is installed penetrating through the top cover 14 and the top of the sample tube 1, a spring 17 is arranged on the periphery of the push rod 16 and located at the top of the top cover 14, a pressing handle 18 is installed at the top of the push rod 16, and the handles 15 are matched with the pressing handle 18, so that samples can be conveniently discharged, and the push rod 16 automatically returns to the original position due to the spring 17, so that the next sampling is convenient.

In this embodiment, the handle 15 is the cylinder setting, and spring 17 initial state is pops out the setting, and during the sample, twist grip 15 can drive sample cell 1 and draw first 4 rotation, conveniently takes out complete sample, and the flexible convenience push rod 16 of spring 17 resumes.

In this embodiment, the push rod 16 is disposed in the sample tube 1 in a manner of sliding up and down, the diameter of the pressing handle 18 is larger than that of the push rod 16, and pressing the pressing handle 18 can push out the extracted sample by the push rod 16, so that the sample can be stored and discharged in the sample tube 1 conveniently.

When the sampler is used, the extraction head 4 is firstly arranged at the bottom of the sample tube 1, when agricultural products such as melons and fruits are sampled, the extraction head 4 is inserted into the melons and fruits, the toothed ring blade 7 cuts the melons and fruits into the sample tube 1, so that the melon and fruit samples enter the extraction head 4 and the sample tube 1, the manual rotary handle 15 drives the sample tube 1 to rotate and drives the extraction head 4 to rotate, the cutting knife bar 8 at the bottom is driven to rotate for cutting so that the melons and fruits are separated in the extraction head 4 and the sample tube 1, the extraction sleeve 5 is downwards slid after the extraction is finished, the raised strips 6 are clamped into the grooves 12, the rotary disassembly sleeve 5 drives the extraction head 4 to rotate under the action of threads, the extraction head 4 is separated from the sample tube 1, and when the samples are required to be filled into the test tube, the manual pressing handle 18 is pressed, the spring 17 is contracted, the push rod 16 is pushed to shrink inwards, the bottom end of the push rod 16 contacts the samples and is pushed out, and is separated from the sample tube 1 and is filled into the test tube, and the test tube is detected.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a pesticide residue detects uses sampler which characterized in that: including sample tube (1), sample tube (1) periphery and bottom are provided with same extraction mechanism (2), sample tube (1) top is provided with discharge mechanism (3), extraction mechanism (2) are including extracting head (4) and dismantlement cover (5), it all is provided with sand grip (6) to draw head (4) periphery back and forth end and both sides, it is provided with toothed ring blade (7) to draw head (4) bottom, runs through install cutting knife strip (8) between toothed ring blade (7) both sides, it is provided with screw thread section (9) to draw head (4) inner wall near the top, sample tube (1) periphery is provided with helicoid (10) near the bottom, the position that sample tube (1) periphery is close to the middle part just is located and dismantles cover (5) inside and be provided with solid fixed ring (11), runs through dismantles cover (5) inner wall near the bottom and be located every sand grip (6) outside and all set up recess (12), dismantles cover (5) inner wall and lean on the top to be provided with dog (13).

2. The sampler for detecting pesticide residues according to claim 1, wherein: the extraction head (4) is in threaded connection with the sample tube (1), the thickness of the top end of the inner wall and the outer wall of the extraction head (4) is larger than that of the bottom end, and the toothed ring blades (7) are arranged in a zigzag mode.

3. The sampler for detecting pesticide residues according to claim 1, wherein: the groove (12) is in clamping connection with the raised strips (6), the disassembly sleeve (5) is arranged on the periphery of the sample tube (1) in a movable rotating mode, and the disassembly sleeve (5) is arranged on the periphery of the sample tube (1) in a vertically sliding mode.

4. The sampler for detecting pesticide residues according to claim 1, wherein: the discharging mechanism (3) comprises a top cover (14), handles (15) are arranged on two sides of the top cover (14), a push rod (16) is arranged at the top of the sample tube (1) penetrating through the top cover (14), a spring (17) is arranged at the periphery of the push rod (16) and positioned at the top of the top cover (14), and a pressing handle (18) is arranged at the top of the push rod (16).

5. The sampler for detecting pesticide residues according to claim 4, wherein: the handle (15) is in a cylindrical shape, and the spring (17) is in an ejecting arrangement in an initial state.

6. The sampler for detecting pesticide residues according to claim 4, wherein: the push rod (16) is arranged in the sample tube (1) in a vertically sliding mode, and the diameter of the pressing handle (18) is larger than that of the push rod (16).