CN221173937U - Sampling device for soil heavy metal content detection - Google Patents
Sampling device for soil heavy metal content detection Download PDFInfo
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- CN221173937U CN221173937U CN202322914123.3U CN202322914123U CN221173937U CN 221173937 U CN221173937 U CN 221173937U CN 202322914123 U CN202322914123 U CN 202322914123U CN 221173937 U CN221173937 U CN 221173937U
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- fixedly connected
- sampling device
- heavy metal
- metal content
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- 238000005070 sampling Methods 0.000 title claims abstract description 78
- 239000002689 soil Substances 0.000 title claims abstract description 35
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 title claims description 10
- 239000007787 solid Substances 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 231100000171 higher toxicity Toxicity 0.000 description 1
- 231100001240 inorganic pollutant Toxicity 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a sampling device for detecting heavy metal content in soil, and relates to the technical field of sampling devices. Including the fixing base, the bottom fixedly connected with three supporting legs of fixing base outer wall, the inner wall threaded connection of fixing base has the threaded rod, the bottom fixedly connected with casing of threaded rod outer wall, the top fixedly connected with handle of threaded rod outer wall, the top of handle outer wall rotates and is connected with the commentaries on classics piece, the top of commentaries on classics piece outer wall is through spacing spring elastic connection pressing the pole, the bottom fixedly connected with inserted block of pressing the pole outer wall, this sampling device is when using, through being provided with the sampling tube, and the surface of sampling tube is provided with two sets of collecting tanks, through the rotation of threaded rod to let the casing drive the inside that the sampling tube enters into earth, thereby collect soil through rotatory sampling tube, upper and lower two sets of collecting tanks can sample respectively different levels earth.
Description
Technical Field
The utility model relates to the technical field of sampling devices, in particular to a sampling device for detecting the heavy metal content of soil.
Background
The inorganic pollutants in the soil mainly contain heavy metals, and the heavy metals cannot be decomposed by soil microorganisms, so that the heavy metals are continuously accumulated and converted into methyl compounds with higher toxicity, and even heavy metals accumulate in a human body in a food chain mode to seriously harm the health of the human body.
Therefore, in detecting soil, it is necessary to take out soil from the measuring site by a sampling device, so that the soil is detected by the detecting apparatus.
However, most of the existing sampling devices sample the surface of soil through manual handheld samplers, most of the sampling devices can only sample the soil at the same depth at one time, so that the sampling frequency can be increased, the sampling efficiency is low, the sampling detection cannot be carried out on multi-level soil at the same time, and the soil samples in the sampling devices are required to be removed and reserved when the sampling is completed, the next sampling can be carried out, a certain time is required, the soil samples are attached to the inner wall, and the next sampling structure can be influenced.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a sampling device for detecting the heavy metal content in soil, and solves the problems mentioned in the background art.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a soil heavy metal content detects uses sampling device, includes the fixing base, the bottom fixedly connected with of fixing base outer wall three sets of supporting legs, the inner wall threaded connection of fixing base has the threaded rod, the bottom fixedly connected with casing of threaded rod outer wall, the top fixedly connected with handle of threaded rod outer wall, the top of handle outer wall rotates and is connected with the commentaries on classics piece, the top of commentaries on classics piece outer wall is through spacing spring elastic connection has pressing the pole, pressing the bottom fixedly connected with inserted block of pole outer wall, the outer wall of commentaries on classics piece is through reset spring elastic connection has the wedge, the inner wall demountable installation of casing has the sampling tube, pressing the pole outer wall bottom fixedly connected with stopper.
Preferably, the inner wall of the shell is connected with a sliding ring in a sliding manner, and the inner wall of the sliding ring is elastically connected with a ball body through a connecting spring.
Preferably, one end of the limiting spring is fixedly connected to the inner side wall of the pressing rod, and the other end of the limiting spring is fixedly connected to the top end of the outer wall of the rotating block.
Preferably, the pressing rod penetrates through the inner wall of the rotating block and is in sliding connection with the inner wall of the threaded rod, and the pressing rod is in sliding connection with the inner wall of the shell.
Preferably, the draw-in groove has been seted up on the top of sampling tube outer wall, stopper and draw-in groove joint, stopper sliding connection is at the inner wall of casing.
Preferably, one end of the return spring is fixedly connected to the outer side wall of the rotating block, the other end of the return spring is fixedly connected to the inner side wall of the wedge block, the insert block is slidably connected to the inner wall of the rotating block, a clamping groove is formed in the outer wall of the insert block, and the wedge block is clamped with the clamping groove.
Preferably, one end of the connecting spring is fixedly connected to the inner wall of the sliding ring, and the other end of the connecting spring is fixedly connected to the outer wall of the sphere.
Preferably, the ball body is slidably connected to the inner wall of the sliding ring, the outer wall of the sampling tube is provided with a ball groove, the ball body is in contact with the inner wall of the ball groove, and the inner side wall of the sliding ring is in contact with the outer wall of the sampling tube.
(III) beneficial effects
The utility model provides a sampling device for detecting the heavy metal content of soil. The beneficial effects are as follows:
(1) When the sampling device is used, the sampling tube is arranged, the two groups of collecting grooves are formed in the surface of the sampling tube, the threaded rod rotates, the casing drives the sampling tube to enter the soil, the soil is collected by rotating the sampling tube, and the upper collecting groove and the lower collecting groove can sample soil of different layers respectively.
(2) When the sampling device is used, the sliding ring is arranged, and when the sampling tube is used for a long time, the sliding ring can be moved, so that the sampling tube can be canceled from being contacted with the outer wall of the sampling tube, the sampling tube can be disassembled and replaced, the soil is prevented from being adhered to the inside, the cleaning is not clean, and the sampling result is easily influenced.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the housing of the present utility model;
FIG. 3 is an enlarged schematic view of the portion A of the present utility model;
FIG. 4 is a schematic cross-sectional view of a slip ring according to the present utility model;
fig. 5 is an enlarged schematic view of the part B of the present utility model.
In the figure: 1. a fixing seat; 2. a threaded rod; 3. a housing; 4. support legs; 5. a handle; 6. a rotating block; 7. pressing a pressing rod; 8. a limiting block; 9. a sampling tube; 10. inserting blocks; 11. a limit spring; 12. a return spring; 13. a wedge; 14. a slip ring; 15. a connecting spring; 16. and (3) a sphere.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the utility model provides a sampling device for detecting heavy metal content in soil, which comprises a fixing seat 1, wherein the bottom end of the outer wall of the fixing seat 1 is fixedly connected with three groups of supporting legs 4, the inner wall of the fixing seat 1 is in threaded connection with a threaded rod 2, the bottom end of the outer wall of the threaded rod 2 is fixedly connected with a shell 3, the threaded rod 2 is rotated to descend in the inner wall of the shell 3, so that the cone shape at the bottom end of the shell 3 contacts with the ground to enter soil, the inner wall of the shell 3 is in sliding connection with a sliding ring 14, the inner wall at the top end of the shell 3 is provided with a hollow groove which is matched with the sliding ring 14, when a sampling cylinder 9 is disassembled, the sliding ring 14 can be moved in the hollow groove, thereby the fixing of the sampling cylinder 9 is canceled, the inner wall of the sliding ring 14 is elastically connected with a sphere 16 through a connecting spring 15, the sphere 16 is in sliding connection with the inner wall of the sliding ring 14, the outer wall of the sampling tube 9 is provided with a ball groove, a ball 16 is contacted with the inner wall of the ball groove, and the ball 16 is contacted with the inner wall of the ball groove, so that the sampling tube 9 is firmly arranged in the shell 3 to prevent separation in the sampling process, the inner side wall of the sliding ring 14 is contacted with the outer wall of the sampling tube 9, one end of the connecting spring 15 is fixedly connected with the inner wall of the sliding ring 14, the other end of the connecting spring 15 is fixedly connected with the outer wall of the ball 16, when the sliding ring 14 needs to be moved downwards to fix the sampling tube 9, the ball 16 is separated from the ball groove in the empty groove at the top end of the shell 3 and is extruded by the inner wall of the ball groove, so that the ball 16 moves on the inner wall of the sliding ring 14 until the next group of ball groove is restored to the initial position under the elastic action of the connecting spring 15 to be contacted with the ball groove of the sampling tube 9, thereby fixing the position of the sampling tube 9.
Further, the top end of the outer wall of the threaded rod 2 is fixedly connected with the handle 5, the top end of the outer wall of the handle 5 is rotationally connected with the rotating block 6, the top end of the outer wall of the rotating block 6 is elastically connected with the pressing rod 7 through the limiting spring 11, the pressing rod 7 penetrates through and is slidably connected with the inner wall of the rotating block 6, the pressing rod 7 penetrates through and is slidably connected with the inner wall of the threaded rod 2, the pressing rod 7 is slidably connected with the inner wall of the shell 3, the pressing rod 7 is not blocked by the threaded rod 2 and the shell 3 when being pressed down, so that the limiting block 8 at the end can be controlled to ascend or descend, one end of the limiting spring 11 is fixedly connected with the inner side wall of the pressing rod 7, the other end of the limiting spring 11 is fixedly connected with the top end of the outer wall of the rotating block 6, when the clamping groove of the inserting block 10 is cancelled by the wedge 13, the pressing rod 7 can be elastically acted by the limiting spring 11 to restore the initial position, the bottom end of the outer wall of the pressing rod 7 is fixedly connected with an inserting block 10, the outer wall of the rotating block 6 is elastically connected with a wedge 13 through a reset spring 12, one end of the reset spring 12 is fixedly connected with the outer side wall of the rotating block 6, the other end of the reset spring 12 is fixedly connected with the inner side wall of the wedge 13, when the inserting block 10 descends along with the pressing rod 7, the outer wall of the top end of the inserting block can extrude the inclined surface of the wedge 13 to push the inclined surface of the outer wall of the rotating block 6 outwards until reaching the clamping groove, the wedge 13 can be elastically acted by the reset spring 12 to restore the original position to be clamped with the clamping groove of the inserting block 10, thereby fixing the position of the pressing rod 7, the inserting block 10 is slidably connected with the inner wall of the rotating block 6, the outer wall of the inserting block 10 is provided with the clamping groove, the wedge 13 is clamped with the clamping groove, and when the limiting block 8 at the bottom end of the pressing rod 7 is inserted into the clamping groove of the sampling tube 9, fix the position of pressing the pole 7, the inner wall demountable installation of casing 3 has a sampling tube 9, sampling tube 9 is provided with two sets of collecting vat from top to bottom, can take a sample simultaneously to the earth of different degree of depth, presses 7 outer wall bottom fixedly connected with stopper 8 of pole, the draw-in groove has been seted up on the top of sampling tube 9 outer wall, stopper 8 and draw-in groove joint, joint between the two to can let sampling tube 9 rotate in the inside of casing 3 through rotatory pressing the pole 7, sample earth, stopper 8 sliding connection is at the inner wall of casing 3.
In the utility model, when the sampling device is used, three groups of supporting legs 4 are contacted with the ground to be sampled, at the moment, the threaded rod 2 is rotated by grabbing the handle 5 to control the shell 3 to descend, the interior of soil is accessed through the cone shape at the bottom end of the threaded rod 2, when the shell 3 enters a soil layer to be sampled, the pressing rod 7 is pressed to descend on the threaded rod 2 and the inner wall of the shell 3, so that the limiting block 8 at the bottom end of the pressing rod 7 is clamped with a clamping groove at the top end of the sampling tube 9, at the same time, when the pressing rod 7 descends, the inserting block 10 at the bottom end of the pressing rod enters the inner wall of the rotating block 6, the outer wall at the top end of the pressing rod is extruded to the inclined surface of the wedge block 13, the outer wall of the rotating block 6 is outwards ejected, and the wedge block 13 is elastically acted by the reset spring 12 until reaching the clamping groove, so that the position of the pressing rod 7 is clamped with the clamping groove of the inserting block 10, the current position of the pressing rod 7 is fixed, at the moment, the current position of the pressing rod 7 is enabled to be rotated by rotating the pressing rod 7, the sampling tube 9 is enabled to synchronously rotate, and at the moment, the sampling tube 9 can be enabled to rotate along with the clamping groove, and the sampling tube 9 can be rotated to collect soil with different depths from the sampling tube.
Meanwhile, when the sampling tube 9 needs to be replaced and cleaned for a long time in use, the ball 16 on the inner wall is separated from the clamping groove on the outer wall of the sampling tube 9 by moving the sliding ring 14, meanwhile, when the sliding ring 14 moves, the ball 16 is separated from the ball groove on the outer wall of the sampling tube 9 and is extruded by the inner wall of the sliding ring 14, so that the ball 16 moves on the inner wall of the sliding ring 14 until the sliding ring 14 completely moves to the empty groove on the inner wall of the shell 3, the ball 16 is elastically acted by the connecting spring 15, and is restored to the initial position to be in contact with the ball groove in the empty groove of the shell 3, so that the position of the sliding ring 14 is fixed, and the sampling tube 9 can be taken out from the inner wall of the shell 3 at the moment.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a soil heavy metal content detects uses sampling device, includes fixing base (1), its characterized in that: the utility model discloses a quick sampling device for a solid sample, including fixing base (1) and fixed seat, the bottom fixedly connected with of fixing base (1) outer wall is three support leg (4), the inner wall threaded connection of fixing base (1) has threaded rod (2), the bottom fixedly connected with casing (3) of threaded rod (2) outer wall, the top fixedly connected with handle (5) of threaded rod (2) outer wall, the top of handle (5) outer wall rotates and is connected with turning block (6), the top of turning block (6) outer wall is through spacing spring (11) elastic connection pressing bar (7), the bottom fixedly connected with inserted block (10) of pressing bar (7) outer wall, the outer wall of turning block (6) is through reset spring (12) elastic connection wedge (13), sampling tube (9) are dismantled to the inner wall of casing (3), pressing bar (7) outer wall bottom fixedly connected with stopper (8).
2. The sampling device for soil heavy metal content detection according to claim 1, wherein: the inner wall of the shell (3) is connected with a sliding ring (14) in a sliding manner, and the inner wall of the sliding ring (14) is elastically connected with a ball body (16) through a connecting spring (15).
3. The sampling device for soil heavy metal content detection according to claim 1, wherein: one end of the limiting spring (11) is fixedly connected to the inner side wall of the pressing rod (7), and the other end of the limiting spring (11) is fixedly connected to the top end of the outer wall of the rotating block (6).
4. The sampling device for soil heavy metal content detection according to claim 1, wherein: the pressing rod (7) penetrates through the inner wall of the rotating block (6) in a sliding mode, the pressing rod (7) penetrates through the inner wall of the threaded rod (2) in a sliding mode, and the pressing rod (7) is connected to the inner wall of the shell (3) in a sliding mode.
5. The sampling device for soil heavy metal content detection according to claim 1, wherein: the clamping groove is formed in the top end of the outer wall of the sampling tube (9), the limiting block (8) is clamped with the clamping groove, and the limiting block (8) is slidably connected to the inner wall of the shell (3).
6. The sampling device for soil heavy metal content detection according to claim 1, wherein: one end of the reset spring (12) is fixedly connected to the outer side wall of the rotating block (6), the other end of the reset spring (12) is fixedly connected to the inner side wall of the wedge (13), the insert block (10) is slidably connected to the inner wall of the rotating block (6), a clamping groove is formed in the outer wall of the insert block (10), and the wedge (13) is clamped with the clamping groove.
7. The sampling device for soil heavy metal content detection according to claim 2, wherein: one end of the connecting spring (15) is fixedly connected to the inner wall of the sliding ring (14), and the other end of the connecting spring (15) is fixedly connected to the outer wall of the sphere (16).
8. The sampling device for soil heavy metal content detection according to claim 2, wherein: the ball body (16) is connected to the inner wall of the sliding ring (14) in a sliding mode, a ball groove is formed in the outer wall of the sampling tube (9), the ball body (16) is in contact with the inner wall of the ball groove, and the inner side wall of the sliding ring (14) is in contact with the outer wall of the sampling tube (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322914123.3U CN221173937U (en) | 2023-10-30 | 2023-10-30 | Sampling device for soil heavy metal content detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322914123.3U CN221173937U (en) | 2023-10-30 | 2023-10-30 | Sampling device for soil heavy metal content detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221173937U true CN221173937U (en) | 2024-06-18 |
Family
ID=91460383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322914123.3U Active CN221173937U (en) | 2023-10-30 | 2023-10-30 | Sampling device for soil heavy metal content detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221173937U (en) |
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2023
- 2023-10-30 CN CN202322914123.3U patent/CN221173937U/en active Active
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