CN220399039U - Pretreatment device for detecting heavy metal cadmium sample in rice - Google Patents
Pretreatment device for detecting heavy metal cadmium sample in rice Download PDFInfo
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- CN220399039U CN220399039U CN202322042235.4U CN202322042235U CN220399039U CN 220399039 U CN220399039 U CN 220399039U CN 202322042235 U CN202322042235 U CN 202322042235U CN 220399039 U CN220399039 U CN 220399039U
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 33
- 235000009566 rice Nutrition 0.000 title claims abstract description 33
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 23
- 229910052793 cadmium Inorganic materials 0.000 title claims abstract description 22
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 240000007594 Oryza sativa Species 0.000 title abstract 2
- 244000309464 bull Species 0.000 claims abstract description 11
- 238000005070 sampling Methods 0.000 claims abstract description 10
- 241000209094 Oryza Species 0.000 claims description 31
- 238000005303 weighing Methods 0.000 claims description 16
- 238000005096 rolling process Methods 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 4
- 238000007781 pre-processing Methods 0.000 claims 1
- 239000000843 powder Substances 0.000 abstract description 28
- 238000001514 detection method Methods 0.000 description 7
- 238000012216 screening Methods 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a pretreatment device for detecting heavy metal cadmium samples in rice, which comprises a base, wherein a vertical plate is arranged on one side of the top of the base, and a supporting component is arranged in the vertical plate in a sliding manner; a sampling assembly is arranged at one end, far away from the vertical plate, of the supporting assembly; according to the utility model, the screw thread conveying rod is driven by the rotating rod to rotate, when the screw thread conveying rod rotates, the powder sample is conveyed into the conveying pipe through the screw thread structure on the surface of the screw thread conveying rod, and the powder sample is discharged in the way, so that the powder sample is higher in stability and lower in operation difficulty compared with the powder sample scooping by adopting a small spoon, the phenomenon of sprinkling can not occur easily, and the phenomenon of powder flying due to air flow in scooping is also not easy to occur; the electronic scale weighs the weight, and after reaching certain weight, stops rotating the bull stick to can stop the powder immediately and fall once more, be convenient for control, the while is convenient to carry out accurate control to the sample of powder sample.
Description
Technical Field
The utility model relates to the technical field of heavy metal detection, in particular to a pretreatment device for a heavy metal cadmium sample in rice.
Background
In the production process of rice, the produced rice contains heavy metals due to the influence of pesticides and fertilizers, and the rice with the excessive heavy metals cannot be eaten as food, so that the cadmium is the common heavy metal in the rice, therefore, the cadmium in the rice needs to be detected, and when the rice is detected, the rice sample for detection needs to be subjected to pretreatment, such as shelling, grinding, quantitative sampling and the like.
Chinese patent No.: CN218223465U, which provides a pretreatment device for detecting heavy metal cadmium samples in rice, aims at the problem that the screen mesh in rice screening equipment is inconvenient to replace, and comprises a screening box, a hopper and a base, wherein a disassembly-free screening mechanism is arranged in the screening box, and a vibration supply mechanism is arranged between the base and the screening box; according to the utility model, through the arrangement of the disassembly-free screening mechanism, when the sieve plate is used for a certain time, if the meshes on the sieve plate horizontally arranged in the inner cavity of the sieve box are blocked by a large amount of impurities, two mounting frames can be replaced by one hundred eighty degrees of rotation of the turnover roller in the disassembly-free screening mechanism, so that the sieve plate which is blocked by the impurities originally can be replaced conveniently, and therefore, the blocked sieve plate can be replaced quickly without manually and intentionally removing the sieve plate in the inner cavity of the sieve box, thereby saving time and labor and being convenient for manual operation.
Although the purpose of being convenient for sieve rice is realized in above-mentioned patent, but rice is when being ground to powder, and the detection personnel uses the sample spoon to sample the powder sample usually, but the phenomenon that the spoon falls because of hand tremble appears easily when using, and the inaccurate phenomenon of sample weight appears easily, need reciprocal increase and decrease, and is very inconvenient, consequently we need to propose a pretreatment device for heavy metal cadmium sample in the detection rice.
Disclosure of Invention
The utility model aims to provide a pretreatment device for detecting heavy metal cadmium samples in rice, which has the advantage of being convenient for sampling rice powder samples, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a pretreatment device for detecting heavy metal cadmium samples in rice comprises a base, wherein a vertical plate is arranged on one side of the top of the base, and a supporting component is slidably arranged in the vertical plate;
a sampling assembly is arranged at one end, far away from the vertical plate, of the supporting assembly;
the top of the base is slidably provided with a weighing assembly, and the top of the weighing assembly is provided with a clamping seat;
the sampling assembly comprises a sleeve, the sleeve is arranged at one end of the supporting assembly, which is far away from the vertical plate, the rotating rod is arranged in the sleeve in a rotating mode, the bottom of the sleeve is communicated with the conveying pipe, the bottom of the rotating rod is provided with a threaded conveying rod, the bottom of the threaded conveying rod slidingly extends to the inside of the conveying pipe and is in sliding fit with the inside of the conveying pipe, and the conveying pipe is located above the clamping seat.
Preferably, the support assembly comprises a sliding block, a clamping groove matched with the sliding block is formed in one side of the top of the vertical plate, and the sliding block is slidably embedded in the clamping groove.
Preferably, a vertical groove matched with the clamping groove is formed in one side, close to the sleeve, of the vertical plate, a first rod body is arranged on one side of the sliding block, and one end, far away from the vertical plate, of the first rod body slides and extends to the outer portion of the vertical plate through the vertical groove.
Preferably, the support assembly further comprises a second rod body, the second rod body is arranged on one side, close to the vertical plate, of the sleeve, the inserted link is arranged at one end, far away from the sleeve, of the second rod body, and a slot matched with the inserted link is formed in one side of the first rod body.
Preferably, one end of the inserted link slidingly extends to the inside of the slot, a screw is connected to the top thread of the first rod body, and the bottom of the screw slidingly penetrates through the inserted link and is in threaded connection with the bottom of the inner cavity of the slot.
Preferably, the top of bull stick extends to telescopic outside and installs the commentaries on classics piece, the apron has been cup jointed on the surface of bull stick, the bottom of apron is laminated with telescopic top.
Preferably, the weighing assembly comprises a plate body, an electronic scale is mounted on the top of the plate body, and the clamping seat is placed at the weighing end of the electronic scale.
Preferably, the handle is installed to one side of the plate body, the runner is installed to the bottom of the plate body, the rolling groove with runner looks adaptation is seted up at the top of base, the bottom of runner rolls the laminating with the bottom of rolling groove inner chamber.
Preferably, the top of base just is located weighing assembly's outside and has placed the cover body, the stopper is installed to one side of base, the one end of the cover body and one side slip joint of stopper, the logical groove with conveyer pipe looks adaptation has been seted up at the top of the cover body, the bottom of conveyer pipe extends to the inside of the cover body through logical groove.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the screw thread conveying rod is driven by the rotating rod to rotate, when the screw thread conveying rod rotates, the powder sample is conveyed into the conveying pipe through the screw thread structure on the surface of the screw thread conveying rod and then falls into the paper sheet, and the powder sample is discharged in the way.
2. According to the utility model, as the powder continuously falls onto the paper sheet, the electronic scale weighs, and after the electronic scale reaches a certain weight, the rotating rod stops rotating, and the powder can be stopped immediately to fall again, so that the control is convenient, and meanwhile, the sampling of the powder sample is convenient to accurately control.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic perspective view of a weighing assembly according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a cartridge of the present utility model;
FIG. 4 is a schematic cross-sectional view of a sleeve of the present utility model;
fig. 5 is a schematic partial cross-sectional view of a first rod body according to the present utility model.
In the figure: 1. a base; 2. a riser; 3. a clamping seat; 4. a sleeve; 5. a rotating rod; 6. a delivery tube; 7. a threaded conveying rod; 8. a slide block; 11. a first rod body; 12. a second rod body; 13. a rod; 14. a screw; 15. a rotating block; 16. a cover plate; 17. a plate body; 18. an electronic scale; 19. a handle; 20. a rotating wheel; 21. a rolling groove; 22. a cover body; 23. and a limiting block.
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 present utility model provides a technical solution: a pretreatment device for detecting heavy metal cadmium samples in rice comprises a base 1, wherein a vertical plate 2 is arranged on one side of the top of the base 1, and a supporting component is slidably arranged in the vertical plate 2; the end of the supporting component far away from the vertical plate 2 is provided with a sampling component; the sampling assembly comprises a sleeve 4. The support assembly is used to connect the sleeve 4 with the riser 2.
The inside rotation of sleeve 4 is installed bull stick 5, and the top of bull stick 5 extends to the outside of sleeve 4 and installs the commentaries on classics piece 15, and apron 16 has been cup jointed on the surface of bull stick 5, and the bottom of apron 16 is laminated with the top of sleeve 4. By pulling the rotating rod 5 upwards, the rotating rod 5 drives the cover plate 16 to be separated from the sleeve 4, and then ground powder can be put into the sleeve 4 from the top of the sleeve 4 for temporary storage.
Further, the supporting component comprises a sliding block 8, a clamping groove matched with the sliding block 8 is formed in one side of the top of the vertical plate 2, and the sliding block 8 is slidably embedded in the clamping groove. By providing the clamping groove, the sliding block 8 can be conveniently taken out of the vertical plate 2. One side of the vertical plate 2, which is close to the sleeve 4, is provided with a vertical groove matched with the clamping groove, one side of the sliding block 8 is provided with a first rod body 11, and one end, which is far away from the vertical plate 2, of the first rod body 11 is extended to the outside of the vertical plate 2 through the vertical groove in a sliding manner.
Specifically, the support assembly further comprises a second rod body 12, the second rod body 12 is arranged on one side, close to the vertical plate 2, of the sleeve 4, the inserted link 13 is arranged at one end, far away from the sleeve 4, of the second rod body 12, and a slot matched with the inserted link 13 is formed in one side of the first rod body 11. One end of the inserted link 13 slides and extends to the inside of slot, and the top threaded connection of first body of rod 11 has screw rod 14, and the bottom of screw rod 14 slides and runs through inserted link 13 and with the bottom threaded connection of slot inner chamber, and screw rod 14 can be fixed the inside of first body of rod 11 with inserted link 13.
After the screw rod 14 is rotated and the screw rod 14 is separated from the inserted rod 13, the first rod body 11 and the second rod body 12 can be separated, so that all parts are convenient to disassemble and clean, and all parts are not easy to clean after being polluted by rice ground powder.
Specifically, sleeve 4 installs the one end of keeping away from riser 2 at supporting component, and the bottom intercommunication of sleeve 4 has conveyer pipe 6, and screw thread conveyer rod 7 is installed to the bottom of bull stick 5, and screw thread conveyer rod 7's bottom slip extends to the inside of conveyer pipe 6 and with the inside slip laminating of conveyer pipe 6, and conveyer pipe 6 is located the top of cassette 3.
The triangular groove has been seted up at the top of cassette 3, the scraps of paper that will be used for holding rice powder sample carries out the fifty percent discount, the scraps of paper after the fifty percent discount is placed the triangular groove, rotate bull stick 5 through rotating block 15 afterwards, bull stick 5 drives screw thread conveying pole 7 and rotates, screw thread conveying pole 7 is when rotating, carry the powder sample to conveyer pipe 6 in through the helicitic texture on its surface, and discharge gradually the outside to conveyer pipe 6, then fall into the inside of scraps of paper, discharge the powder sample through this mode, use the little spoon to scoop, stability is higher, the operation degree of difficulty is low, can be difficult for appearing the unrestrained phenomenon, also be difficult for scooping the phenomenon that appears powder because of the air current.
Further, the top of the base 1 is slidably provided with a weighing assembly, the top of the weighing assembly is provided with a clamping seat 3, the weighing assembly comprises a plate body 17, the top of the plate body 17 is provided with an electronic scale 18, and the clamping seat 3 is arranged at the weighing end of the electronic scale 18. Along with the powder falling onto the paper sheet, the electronic scale 18 weighs the weight, and after the weight reaches a certain value, the rotation of the rotating rod 5 is stopped, and the powder can be stopped immediately and falls down again, so that the operation and the control are facilitated.
The handle 19 is installed to one side of plate body 17, and runner 20 is installed to the bottom of plate body 17, and the rolling groove 21 with runner 20 looks adaptation is seted up at the top of base 1, and the bottom of runner 20 rolls the laminating with the bottom of rolling groove 21 inner chamber. The top of the base 1 and the outside that is located the weighing assembly are placed the cover body 22, through the pulling plate body 17 of handle 19, plate body 17 drives runner 20 and stably removes to the outside of cover body 22 in rolling groove 21, can take off the powder sample that weighs the completion on the scraps of paper in the cassette 3 afterwards, realizes the pretreatment of rice sample.
The folded paper sheet can conveniently pour the powder sample into a test tube for cadmium detection, extract is injected into the test tube, the rice powder sample and the extract are fully fused through instruments such as a shaking machine, a centrifugal machine and the like, after the fusion, detection liquid formed in the test tube is extracted, and the cadmium content in the detection liquid is detected through a heavy metal detector.
Secondly, a limiting block 23 is arranged on one side of the base 1, one end of the cover body 22 is in sliding clamping connection with one side of the limiting block 23, a through groove matched with the conveying pipe 6 is formed in the top of the cover body 22, and the bottom of the conveying pipe 6 extends to the inside of the cover body 22 through the through groove. The cover body 22 can protect the card seat 3, cover the card seat 3, prevent that external air current from getting the powder and causing the interference, the difficult phenomenon that the powder flies upward that appears. The cover 22 is made of a transparent material, and the electronic scale 18 can be observed from the outside of the cover 22.
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 (9)
1. The utility model provides a detect heavy metal cadmium sample preprocessing device in rice, includes base (1), its characterized in that: a vertical plate (2) is arranged on one side of the top of the base (1), and a supporting component is slidably arranged in the vertical plate (2);
one end of the supporting component, which is far away from the vertical plate (2), is provided with a sampling component;
the top of the base (1) is slidably provided with a weighing assembly, and the top of the weighing assembly is provided with a clamping seat (3);
the sampling assembly comprises a sleeve (4), the sleeve (4) is installed at one end of a supporting assembly far away from a vertical plate (2), a rotating rod (5) is installed in the sleeve (4) in a rotating mode, a conveying pipe (6) is communicated with the bottom of the sleeve (4), a threaded conveying rod (7) is installed at the bottom of the rotating rod (5), the bottom of the threaded conveying rod (7) slidingly extends to the inside of the conveying pipe (6) and is in sliding fit with the inside of the conveying pipe (6), and the conveying pipe (6) is located above a clamping seat (3).
2. The pretreatment device for detecting heavy metal cadmium samples in rice according to claim 1, wherein the pretreatment device comprises: the support assembly comprises a sliding block (8), a clamping groove matched with the sliding block (8) is formed in one side of the top of the vertical plate (2), and the sliding block (8) is embedded in the clamping groove in a sliding mode.
3. The pretreatment device for detecting heavy metal cadmium samples in rice according to claim 2, wherein: a vertical groove matched with the clamping groove is formed in one side, close to the sleeve (4), of the vertical plate (2), a first rod body (11) is arranged on one side of the sliding block (8), and one end, far away from the vertical plate (2), of the first rod body (11) is extended to the outside of the vertical plate (2) through the vertical groove in a sliding mode.
4. The pretreatment device for detecting heavy metal cadmium samples in rice according to claim 3, wherein: the support assembly further comprises a second rod body (12), the second rod body (12) is arranged on one side, close to the vertical plate (2), of the sleeve (4), the inserting rod (13) is arranged at one end, far away from the sleeve (4), of the second rod body (12), and a slot matched with the inserting rod (13) is formed in one side of the first rod body (11).
5. The pretreatment device for detecting heavy metal cadmium samples in rice according to claim 4, wherein: one end of the inserted link (13) slides and extends to the inside of the slot, the top threaded connection of the first body of rod (11) has screw rod (14), the bottom of screw rod (14) slides and runs through inserted link (13) and with the bottom threaded connection of slot inner chamber.
6. The pretreatment device for detecting heavy metal cadmium samples in rice according to claim 1, wherein the pretreatment device comprises: the top of bull stick (5) extends to the outside of sleeve (4) and installs turning block (15), apron (16) have been cup jointed on the surface of bull stick (5), the bottom of apron (16) is laminated with the top of sleeve (4).
7. The pretreatment device for detecting heavy metal cadmium samples in rice according to claim 1, wherein the pretreatment device comprises: the weighing assembly comprises a plate body (17), an electronic scale (18) is arranged at the top of the plate body (17), and the clamping seat (3) is placed at the weighing end of the electronic scale (18).
8. The pretreatment device for detecting heavy metal cadmium samples in rice according to claim 7, wherein: the utility model discloses a handle, including board body (17), runner (20) are installed to the bottom of board body (17), rolling groove (21) with runner (20) looks adaptation are seted up at the top of base (1), the bottom of runner (20) rolls laminating with the bottom of rolling groove (21) inner chamber.
9. The pretreatment device for detecting heavy metal cadmium samples in rice according to claim 8, wherein: cover body (22) have been placed at the top of base (1) and the outside that is located weighing assembly, stopper (23) are installed to one side of base (1), one end and one side slip joint of stopper (23) of cover body (22), logical groove with conveyer pipe (6) looks adaptation is seted up at the top of cover body (22), the bottom of conveyer pipe (6) extends to the inside of cover body (22) through logical groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322042235.4U CN220399039U (en) | 2023-08-01 | 2023-08-01 | Pretreatment device for detecting heavy metal cadmium sample in rice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322042235.4U CN220399039U (en) | 2023-08-01 | 2023-08-01 | Pretreatment device for detecting heavy metal cadmium sample in rice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220399039U true CN220399039U (en) | 2024-01-26 |
Family
ID=89609699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322042235.4U Active CN220399039U (en) | 2023-08-01 | 2023-08-01 | Pretreatment device for detecting heavy metal cadmium sample in rice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220399039U (en) |
-
2023
- 2023-08-01 CN CN202322042235.4U patent/CN220399039U/en active Active
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