CN216207729U

CN216207729U - Sampling device for pesticide residue detection

Info

Publication number: CN216207729U
Application number: CN202122666605.2U
Authority: CN
Inventors: 李晓莉; 张亚男
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-04-05
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses a sampling device for detecting pesticide residues, and relates to the technical field of sampling equipment. The sampling device comprises a base and a motor fixedly arranged on the top surface of the base, wherein the output end of the motor is perpendicular to the top surface of the base, the output end of the motor is fixedly connected with a threaded column, the end part of the threaded column is rotatably arranged in the base, the other end of the threaded column is slidably sleeved with a linkage rod, the bottom end of the linkage rod is fixedly provided with a sampling cylinder, the outer side of the threaded column is sleeved with an internal thread lantern ring in a threaded manner, the outer side of the internal thread lantern ring is fixedly provided with a positioning plate, and the bottom end of the base is fixedly provided with a positioning column. Compared with the prior art, the device has the advantages that the motor drives the threaded column to rotate, the internal thread lantern ring is driven to lift along the direction of the threaded column, the internal thread lantern ring drives the external ring lantern ring to extrude the linkage rod, the linkage rod moves downwards at the end part of the threaded column, and the sampling cylinder at the bottom end of the linkage rod is inserted into the ground to perform sampling quickly.

Description

Sampling device for pesticide residue detection

Technical Field

The utility model relates to the technical field of sampling equipment, in particular to a sampling device for detecting pesticide residues.

Background

The pesticide remains in grains, vegetables, fruits, livestock products, aquatic products, soil and water without being decomposed after the pesticide is applied in agricultural production. The pesticide composition contains a plurality of harmful substances such as trace pesticide protomer, toxic metabolite, degradation product, impurity and the like.

In modern soil detection, the detection of pesticide residues in soil is an important index, is beneficial to deconstruction of soil environment, and has great effect on the application and remediation of subsequent soil.

Most of the existing sampling devices for detecting pesticide residues are used for sampling and detecting soil, and certain problems still exist, that is, most of the existing sampling devices for detecting pesticide residues are used for punching and excavating soil by manpower, and the labor is wasted while the working efficiency is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the above problems in the background, the present invention provides a sampling device for detecting pesticide residues.

The utility model specifically adopts the following technical scheme for realizing the purpose:

a sampling device for detecting pesticide residue comprises a base and a motor fixedly arranged on the top surface of the base, wherein the output end of the motor is vertical to the top surface of the base, and the output end of the motor is fixedly connected with a threaded column, the end part of the threaded column is rotatably arranged in the base, and the other end of the threaded column is slidably sleeved with a linkage rod, the bottom end of the linkage rod is fixedly provided with a sampling tube, an internal thread lantern ring is sleeved on the outer side of the threaded column through threads, a positioning plate is fixedly arranged on the outer side of the internal thread lantern ring, the bottom end of the base is fixedly provided with a positioning column, the positioning plate is arranged on the positioning column in a sliding manner, the bottom end of the internal thread lantern ring is fixedly provided with an outer ring sleeve column, the bottom end of the outer ring sleeve column is abutted against the linkage rod, the rotation of the threaded column drives the internal thread sleeve ring to move downwards, so that the external ring sleeve column extrudes the linkage rod and the sampling cylinder to move downwards to finish sampling.

Further, the screw thread post is coaxial with the trace, the fixed ejector pin that is provided with in screw thread post bottom, the fixed limiting plate that is provided with in screw thread post bottom edge, the limiting plate encircles and sets up in ejector pin periphery side, the circular slot has been seted up on the trace top, and the circular slot periphery side has seted up the spacing groove, the ejector pin slides and sets up in the circular slot, the limiting plate slides and sets up at the spacing inslot.

Further, four limiting plates surround the setting in screw thread post bottom edge for a set of, four spacing grooves surround the setting in circular slot periphery side for a set of, limiting plate and spacing groove one-to-one make screw thread post and trace rotate in step through the limiting displacement of limiting plate and spacing groove.

Furthermore, the outer ring sleeve column surrounds the outer sides of the threaded column and the linkage rod, an outer ring plate is arranged on the outer side of the linkage rod, and the bottom end of the outer ring sleeve column abuts against the top surface of the outer ring plate.

Further, the base bottom mounting is provided with the support, the support bottom mounting is provided with the holding ring, the sampler barrel passes the holding ring and the activity sets up, sampler barrel bottom edge is the cockscomb structure.

Furthermore, the top surface of the positioning ring is fixedly provided with a telescopic spring, the top end of the telescopic spring is fixedly provided with a rebound plate, the rebound plate comprises a ring sleeve part and a convex plate part, the ring sleeve part surrounds the outer side of the outer ring plate, the top surface of the rebound plate abuts against the bottom surface of the outer ring plate, the convex plate part of the rebound plate is fixedly arranged on the outer side of the ring sleeve part, and the bottom surface of the convex plate part is fixedly connected with the telescopic spring.

Furthermore, two rebound plate convex plate parts are arranged on two sides of the ring sleeve part in a set of mirror symmetry mode, two expansion springs are arranged on the edge of the top surface of the positioning ring in a set of mirror symmetry mode, and the expansion springs are fixedly connected with the convex plate parts at two ends of the rebound plate respectively.

Furthermore, the two sides of the top surface of the base are fixedly provided with lifting handles for lifting the base.

The utility model has the following beneficial effects:

1. compared with the prior art, the device has the advantages that the motor drives the threaded column to rotate, the internal thread lantern ring is driven to lift along the direction of the threaded column, the internal thread lantern ring drives the external ring lantern ring to extrude the linkage rod, the linkage rod moves downwards at the end part of the threaded column, the sampling cylinder at the bottom end of the linkage rod is inserted into the ground, and sampling is carried out quickly.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a partial block diagram of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a top view of the present invention;

fig. 5 is a sectional view taken along the line a-a in fig. 4 according to the present invention.

Reference numerals: 1. a base; 2. a motor; 3. a threaded post; 4. a linkage rod; 5. a sampling tube; 6. an internal thread collar; 7. positioning a plate; 8. a positioning column; 9. an outer ring sleeve column; 10. a top rod; 11. a limiting plate; 12. a circular groove; 13. a limiting groove; 14. an outer ring plate; 15. a support; 16. a positioning ring; 17. a tension spring; 18. a rebound board; 19. and lifting the handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in figures 1, 2, 3 and 5, a sampling device for detecting pesticide residues comprises a base 1 and a motor 2 fixedly arranged on the top surface of the base 1, the output end of the motor 2 is vertical to the top surface of the base 1, the output end of the motor 2 is fixedly connected with a threaded column 3, the end part of the threaded column 3 is rotatably arranged in the base 1, the other end of the threaded column 3 is slidably sleeved with a linkage rod 4, the bottom end of the linkage rod 4 is fixedly provided with a sampling tube 5, the outer side of the threaded column 3 is threadedly sleeved with an inner threaded collar 6, the outer side of the inner threaded collar 6 is fixedly provided with a positioning plate 7, the bottom end of the base 1 is fixedly provided with a positioning column 8, the positioning plate 7 is slidably arranged on the positioning column 8, the bottom end of the inner threaded collar 6 is fixedly provided with an outer annular collar column 9, the bottom end of the inner threaded collar 6 is abutted against the linkage rod 4, the inner threaded column 3 is rotated to drive the inner threaded collar 6 to move downwards, so that the outer annular collar 9 presses the linkage rod 4 and the sampling tube 5 to move downwards to complete sampling, during the use, starter motor 2 drives screw thread post 3 and rotates at 1 lower extreme of base, the internal thread lantern ring 6 that the rotation of screw thread post 3 will drive the outside at this moment goes up and down on screw thread post 3 along the screw thread direction, when internal thread lantern ring 6 descends, outer loop cover post 9 of internal thread lantern ring 6 lower extreme is extrudeing trace 4, because trace 4 is that the slip cover is established in screw thread post 3 bottom, outer loop cover post 9 is extruding trace 4 and is moving down this moment, trace 4 moves down and will drive sampler barrel 5 and move down and insert ground and take a sample, need not the manpower and accomplish fast and insert the ground sample, thereby more have the practicality.

As shown in fig. 2 and 5, in some embodiments, the threaded column 3 is coaxial with the linkage rod 4, the bottom end of the threaded column 3 is fixedly provided with the ejector rod 10, the bottom edge of the threaded column 3 is fixedly provided with the limiting plate 11, the limiting plate 11 is arranged around the outer periphery of the ejector rod 10, the top end of the linkage rod 4 is provided with the circular groove 12, the outer periphery of the circular groove 12 is provided with the limiting groove 13, the ejector rod 10 is arranged in the circular groove 12 in a sliding manner, the limiting plate 11 is arranged in the limiting groove 13 in a sliding manner, preferably, the ejector rod 10 is arranged in the circular groove 12 in a sliding manner, meanwhile, the limiting plate 11 is arranged in the limiting groove 13 in a sliding manner, the linkage rod 4 can slide along the direction of the ejector rod 10 at the bottom end of the threaded column 3, and simultaneously can synchronously rotate the threaded column 3 and the linkage rod 4, the sampling cylinder 5 in the bottom end of the linkage rod 4 is driven to rotate, and the sampling cylinder 5 can be inserted into the ground for sampling.

As shown in fig. 2 and 5, in some embodiments, four of the limiting plates 11 are set around the bottom edge of the threaded stud 3, four of the limiting grooves 13 are set around the outer periphery of the circular groove 12, the limiting plates 11 correspond to the limiting grooves 13 one by one, and the threaded stud 3 and the trace 4 rotate synchronously under the limiting action of the limiting plates 11 and the limiting grooves 13, preferably, when the threaded stud 3 rotates, the plurality of limiting plates 11 are slidably disposed in the limiting grooves 13 to drive the threaded stud 3 and the trace 4 to rotate closely and synchronously.

As shown in fig. 1, 2 and 5, in some embodiments, the outer ring sleeve 9 surrounds the outer sides of the threaded column 3 and the linkage rod 4, when the threaded column 3 and the linkage rod 4 rotate synchronously, the outer ring sleeve 9 moves up and down synchronously with the inner threaded sleeve 6, the outer side of the linkage rod 4 is provided with the outer ring plate 14, the bottom end of the outer ring sleeve 9 abuts against the top surface of the outer ring plate 14, preferably, the inner threaded sleeve 6 is used to drive the outer ring sleeve 9 to move down, and at this time, the outer ring sleeve 9 presses the outer ring plate 14, so that the outer ring plate 14 and the outer ring plate 14 move down.

As shown in fig. 1 and 2, in some embodiments, a support 15 is fixedly arranged at the bottom end of the base 1, a positioning ring 16 is fixedly arranged at the bottom end of the support 15, the sampling tube 5 passes through the positioning ring 16 and is movably arranged, the bottom edge of the sampling tube 5 is serrated, preferably, the positioning ring 16 is used for determining the position to be sampled, the positioning ring 16 is stably placed on the ground, and at the moment, the sampling tube 5 moves downwards to pass through the positioning ring 16 and is screwed into the ground, so that sampling is completed.

As shown in fig. 1 and 3, in some embodiments, a telescopic spring 17 is fixedly disposed on the top surface of the positioning ring 16, a resilient plate 18 is fixedly disposed on the top end of the telescopic spring 17, the resilient plate 18 includes a ring portion and a flange portion, the ring portion surrounds the outer ring plate 14, and the top surface abuts against the bottom surface of the outer ring plate 14, the flange portion of the resilient plate 18 is fixedly disposed on the outer side of the ring portion, and the bottom surface of the flange portion is fixedly connected to the telescopic spring 17, preferably, when the outer ring sleeve 9 moves down to press the outer ring plate 14 and the linkage 4 moves down, the outer ring plate 14 presses the resilient plate 18 and compresses the telescopic spring 17, and after sampling is completed, the resilient plate 17 reversely presses the resilient plate 18 to rebound, so that the outer ring plate 14 drives the linkage 4 to reset, and at this time, the sampling barrel 5 is driven to leave the ground surface, and take out the sampled soil.

As shown in fig. 1 and 3, in some embodiments, two of the protruding plates of the rebounding plate 18 are arranged on two sides of the ring sleeve in a mirror symmetry, as shown in fig. 1, one end of the positioning column 8 passes through the protruding plates and limits the rebounding direction of the rebounding plate 18 to prevent deviation, two of the expanding springs 17 are arranged on the edge of the top surface of the positioning ring 16 in a mirror symmetry, and the expanding springs 17 are respectively and fixedly connected to the protruding plates at two ends of the rebounding plate 18, preferably, the two expanding springs 17 rebound synchronously at the protruding plates at two ends of the rebounding plate 18 to more stably rebound the rebounding plate 18.

As shown in figure 1, in some embodiments, the two sides of the top surface of the base 1 are fixedly provided with a lifting handle 19 for lifting the base 1, and preferably, the whole device is lifted by the lifting handle 19, so that the whole base 1 can be conveniently taken up and put down manually.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The sampling device for detecting pesticide residues is characterized by comprising a base (1) and a motor (2) fixedly arranged on the top surface of the base (1), wherein the output end of the motor (2) is perpendicular to the top surface of the base (1), the output end of the motor (2) is fixedly connected with a threaded column (3), the end part of the threaded column (3) is rotatably arranged in the base (1), the other end of the threaded column (3) is slidably sleeved with a linkage rod (4), the bottom end of the linkage rod (4) is fixedly provided with a sampling cylinder (5), the outer side of the threaded column (3) is threadedly sleeved with an inner threaded sleeve ring (6), the outer side of the inner threaded sleeve ring (6) is fixedly provided with a positioning plate (7), the bottom end of the base (1) is fixedly provided with a positioning column (8), the positioning plate (7) is slidably arranged on the positioning column (8), the bottom end of the inner threaded sleeve ring (6) is fixedly provided with an outer annular sleeve column (9), the bottom end of the outer ring sleeve column (9) is abutted against the linkage rod (4), and the rotation of the threaded column (3) drives the inner threaded sleeve ring (6) to move downwards, so that the outer ring sleeve column (9) extrudes the linkage rod (4) and the sampling tube (5) to move downwards to complete sampling.

2. The sampling device for detecting pesticide residue according to claim 1, wherein the threaded column (3) is coaxial with the linkage rod (4), a top rod (10) is fixedly arranged at the bottom end of the threaded column (3), a limiting plate (11) is fixedly arranged at the bottom end edge of the threaded column (3), the limiting plate (11) is arranged around the periphery of the top rod (10), a circular groove (12) is formed at the top end of the linkage rod (4), a limiting groove (13) is formed at the periphery of the circular groove (12), the top rod (10) is arranged in the circular groove (12) in a sliding manner, and the limiting plate (11) is arranged in the limiting groove (13) in a sliding manner.

3. The sampling device for detecting pesticide residue according to claim 2, wherein the four limiting plates (11) are arranged at the bottom end edge of the threaded column (3) in a group in a surrounding manner, the four limiting grooves (13) are arranged at the outer peripheral side of the circular groove (12) in a surrounding manner in a group in a surrounding manner, the limiting plates (11) correspond to the limiting grooves (13) one by one, and the threaded column (3) and the linkage rod (4) synchronously rotate under the limiting action of the limiting plates (11) and the limiting grooves (13).

4. The sampling device for detecting pesticide residue as claimed in claim 1, wherein the outer ring sleeve pillar (9) surrounds the outer side of the threaded pillar (3) and the linkage rod (4), an outer ring plate (14) is disposed outside the linkage rod (4), and the bottom end of the outer ring sleeve pillar (9) abuts against the top surface of the outer ring plate (14).

5. The sampling device for detecting pesticide residue according to claim 4, characterized in that a support (15) is fixedly arranged at the bottom end of the base (1), a positioning ring (16) is fixedly arranged at the bottom end of the support (15), the sampling cylinder (5) passes through the positioning ring (16) and is movably arranged, and the edge of the bottom end of the sampling cylinder (5) is serrated.

6. The sampling device for detecting pesticide residue as claimed in claim 5, wherein the top surface of the positioning ring (16) is fixedly provided with a telescopic spring (17), the top end of the telescopic spring (17) is fixedly provided with a rebound board (18), the rebound board (18) comprises a ring sleeve part and a convex plate part, the ring sleeve part is wound on the outer side of the outer ring board (14), the top surface of the ring sleeve part is abutted against the bottom surface of the outer ring board (14), the convex plate part of the rebound board (18) is fixedly arranged on the outer side of the ring sleeve part, and the bottom surface of the convex plate part is fixedly connected with the telescopic spring (17).

7. The sampling device for detecting pesticide residue as claimed in claim 6, wherein the two protruding plate parts of the rebound plate (18) are arranged on both sides of the ring sleeve part in a mirror symmetry set, the two expansion springs (17) are arranged on the top edge of the positioning ring (16) in a mirror symmetry set, and the expansion springs (17) are fixedly connected to the protruding plate parts on both ends of the rebound plate (18) respectively.

8. The sampling device for pesticide residue detection according to claim 1, wherein the two sides of the top surface of the base (1) are fixedly provided with lifting handles (19) for lifting the base (1).