CN220899632U - Water sample filtering structure of rapid detection card for heavy metal cadmium in vegetables - Google Patents
Water sample filtering structure of rapid detection card for heavy metal cadmium in vegetables Download PDFInfo
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- CN220899632U CN220899632U CN202322719027.3U CN202322719027U CN220899632U CN 220899632 U CN220899632 U CN 220899632U CN 202322719027 U CN202322719027 U CN 202322719027U CN 220899632 U CN220899632 U CN 220899632U
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- filtering
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- filter cotton
- water sample
- filter
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- 238000001914 filtration Methods 0.000 title claims abstract description 101
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 235000013311 vegetables Nutrition 0.000 title claims abstract description 27
- 229910052793 cadmium Inorganic materials 0.000 title claims abstract description 23
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 229920000742 Cotton Polymers 0.000 claims abstract description 66
- 239000007788 liquid Substances 0.000 claims description 5
- 238000012031 short term test Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a water sample filtering structure of a rapid detection card for heavy metal cadmium in vegetables, which comprises a first filtering shell and a second filtering shell arranged at the lower end of the first filtering shell, wherein the upper end of the first filtering shell is provided with a water inlet pipe, the inside of the first filtering shell is provided with a groove part, the inside of the first filtering shell is provided with a mounting frame, the inside of the mounting frame is sequentially provided with filter cotton A and filter cotton B from top to bottom, the filter cotton A and the filter cotton B are used for filtering vegetable extracting solution, the extracting solution is filtered through the filter cotton A and the filter cotton B, the dropping speed of the extracting solution can be slowed down, the rotating eccentric wheel can drive a rotating shaft and the eccentric wheel to rotate, so that impurities on the filter cotton A and the filter cotton B vibrate, the filter cotton A and the filter cotton B are prevented from being blocked, the filtered extracting solution can enter an inner cavity, and filter paper can be used for filtering the impurities again, and the filtering of the extracting solution is effectively improved.
Description
Technical Field
The utility model relates to the field of vegetable heavy metal cadmium detection, in particular to a water sample filtering structure of a rapid detection card for heavy metal cadmium in vegetables.
Background
The rapid detection card for heavy metal cadmium is a portable testing tool for rapidly detecting the content of heavy metal cadmium in a water sample or other liquid. After the vegetables grow, the vegetables need to be subjected to metal cadmium detection so as to ensure the edible safety of the vegetables. When detecting heavy metal cadmium in a vegetable sample, the vegetable sample is required to be dissolved and extracted firstly, then the extracting solution is filtered, and finally the heavy metal cadmium rapid detection card is used for detection. When the existing water sample filtering structure is used, extracting solution is usually put into a water sample filtering container, and is filtered through a filter screen, however, when the filtering is carried out, particles in the extracting solution are easy to accumulate on the filter screen, so that the extracting solution is poor in discharging effect, meanwhile, the filtering effect is also influenced, and the practicability is reduced.
Disclosure of utility model
The utility model aims to overcome the defects that in the prior art, firstly, extracting solution is put into a water sample filtering container, the extracting solution is filtered through a filter screen, however, when the filtering is carried out, particles in the extracting solution are easy to accumulate on the filter screen, so that the extracting solution has poor discharging effect, meanwhile, the filtering effect is affected, the practicability is reduced, and the water sample filtering structure of the rapid detection card for heavy metal cadmium in vegetables is provided, so that the defects are overcome, and the rapid detection card is convenient to use.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:
The utility model relates to a water sample filtering structure of a rapid detection card for heavy metal cadmium in vegetables, which comprises a first filtering shell and a second filtering shell arranged at the lower end of the first filtering shell, wherein the upper end of the first filtering shell is provided with a water inlet pipe, the interior of the first filtering shell is provided with a groove part, a mounting frame is arranged in the first filtering shell, the inner side of the mounting frame is sequentially provided with filter cotton A and filter cotton B from top to bottom, the filter cotton A and the filter cotton B are used for filtering vegetable extract, the outer wall of the groove part is provided with a knocking part, and the mounting frame, the filter cotton A and the filter cotton B can be knocked and vibrated through the knocking part;
The knocking piece comprises a rotating shaft which is arranged on the outer wall of the first filtering shell and connected with the output end of the motor, the rotating shaft penetrates through the first filtering shell and extends to the inside of the first filtering shell, the other end of the rotating shaft is connected with an eccentric wheel, and the rotating shaft and the eccentric wheel can be driven to rotate through the motor.
Preferably, the knocking members are provided with two groups, and the two groups of knocking members are symmetrically distributed about the central line of the first filtering shell.
Preferably, the upper end of the second filtering shell is provided with a protruding portion, the protruding portion is matched with the groove portion, and a rubber pad for sealing is arranged on the inner wall of the groove portion.
Preferably, the second filtering shell is provided with an inner cavity and a water guide cavity, the inner cavity is communicated with the water guide cavity, filter paper for filtering is arranged in the inner cavity, and the extracting solution can be filtered through the filter paper and is dripped into the water guide cavity.
Preferably, the outer wall of the second filtering shell is provided with a drain pipe, the outer side of the drain pipe is provided with a valve, filtered liquid can be discharged through the drain pipe by the valve, and the outer wall of the second filtering shell is provided with a collecting frame for storage.
Preferably, the inner cavity is of a funnel-shaped structure and is used for placing folded filter paper.
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
(1) According to the water sample filtering structure of the rapid detection card for heavy metal cadmium in vegetables, through the first filtering shell, the filtering cotton A, the filtering cotton B, the motor, the rotating shaft, the eccentric wheel, the inner cavity, the filter paper, the water guide cavity, the drain pipe and the collecting frame, an operator slowly puts vegetable extracting solution into the first filtering shell from the water inlet pipe, at the moment, the extracting solution is filtered through the filtering cotton A and the filtering cotton B, meanwhile, the dropping speed of the extracting solution can be slowed down, in addition, when the filtering is carried out, the rotating shaft and the eccentric wheel can be driven by the motor to rotate, the rotating eccentric wheel can knock the filtering cotton A and the filtering cotton B in the installing frame, impurities on the filtering cotton A and the filtering cotton B can be vibrated so as to prevent the filtering cotton A and the filtering cotton B from being blocked to influence preliminary filtering, the filtered extracting solution drops downwards under the action of gravity and can enter the inner cavity, at the moment, the folded filter paper can be filtered again, the filtering of the extracting solution impurities can be effectively improved, the filtered extracting solution can drop into the water guide cavity, and the filtered extracting solution can be discharged through the valve to the drain the filtering cotton through the water guide cavity, and the filtering cotton can be rapidly discharged through the filtering cotton B to the filtering cotton to be detected by the filter card, and then the heavy metal cadmium can be rapidly detected by the heavy metal can be collected through the frame 23.
(2) According to the water sample filtering structure of the rapid detection card for heavy metal cadmium in vegetables, after the filter cotton A and the filter cotton B are used, an operator can reversely rotate the bolts to split the first filter shell and the second filter shell, at the moment, the bottoms of the first filter shell can be exposed, and the mounting frame, the filter cotton A and the filter cotton B can be taken out through the bolts to be replaced.
Drawings
FIG. 1 is an overall block diagram of the present utility model;
FIG. 2 is a schematic view of a second filter housing of the present utility model;
FIG. 3 is a schematic plan view of a first filter housing of the present utility model;
FIG. 4 is a schematic plan view of a second filter housing of the present utility model;
Fig. 5 is an enlarged schematic view of fig. 3 a in accordance with the present utility model.
In the figure: 1. a first filter housing; 11. a groove portion; 12. a mounting frame; 13. filtering cotton A; 14. filtering cotton B; 15. a knocking member; 151. a motor; 152. a rotating shaft; 153. an eccentric wheel; 16. a rubber pad; 2. a second filter housing; 21. a boss; 22. a drain pipe; 23. a collection frame; 24. an inner cavity; 25. a filter paper; 26. a water guiding cavity; 3. a water inlet pipe.
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.
For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings.
Referring to fig. 1, the water sample filtering structure of the rapid detection card for heavy metal cadmium in vegetables comprises a first filtering shell 1 and a second filtering shell 2 arranged at the lower end of the first filtering shell 1, wherein a water inlet pipe 3 is arranged at the upper end of the first filtering shell 1.
The utility model is further described below with reference to examples.
Referring to fig. 2 to 5, a groove part 11 is formed in the first filter housing 1, a mounting frame 12 is mounted in the first filter housing 1, the mounting frame 12 is mounted on the inner wall of the first filter housing 1 through bolts, filter cotton a13 and filter cotton B14 are sequentially arranged on the inner side of the mounting frame 12 from top to bottom, the filter cotton a13 and the filter cotton B14 are used for filtering vegetable extract, a knocking member 15 is mounted on the outer wall of the groove part 11, the mounting frame 12, the filter cotton a13 and the filter cotton B14 can be knocked and vibrated through the knocking member 15, the knocking member 15 comprises a rotating shaft 152 connected with the output end of the motor 151 and arranged on the outer wall of the first filter housing 1, the rotating shaft 152 is inserted into the first filter housing 1 and extends to the inner side of the first filter housing 1, the other end of the rotating shaft 152 is connected with an eccentric wheel 153, the rotating shaft 152 and the eccentric wheel 153 can be driven to rotate through the motor 151, the rotating eccentric wheel 153 can beat the filter cotton A13 and the filter cotton B14 in the mounting frame 12, can vibrate the impurities on the filter cotton A13 and the filter cotton B14 so as to prevent the filter cotton A13 and the filter cotton B14 from being blocked to influence the preliminary filtration, the knocking parts 15 are provided with two groups, the knocking parts 15 of the two groups are symmetrically distributed about the central line of the first filter shell 1, the upper end of the second filter shell 2 is provided with a protruding part 21, the protruding part 21 is matched with the groove part 11, the inner wall of the groove part 11 is provided with a rubber pad 16 for sealing, the first filter shell 1 and the second filter shell 2 can be sealed by the rubber pad 16 and fixed by bolts, the inner cavity 24 and the water guide cavity 26 are arranged in the second filter shell 2, the inner cavity 24 is communicated with the water guide cavity 26, the filter paper 25 for filtering is arranged in the inner cavity 24, can filter the extract through filter paper 25 to drip in the water guide cavity 26, be provided with drain pipe 22 on the outer wall of second filter housing 2, the outside of drain pipe 22 is equipped with the valve, can pass through drain pipe 22 with the liquid after filtering through the valve and discharge, installs the collection frame 23 that is used for storing on the outer wall of second filter housing 2, and inner chamber 24 is the funnel-shaped structure, and inner chamber 24 is used for placing filter paper 25 after folding.
In this embodiment, operating personnel slowly throw in vegetable extract to first filtration shell 1 from inlet tube 3 in, extract is filtered through cotton A13 and cotton B14 simultaneously, can slow down the speed of extract drip, and when filtering, can drive pivot 152 and eccentric wheel 153 through motor 151, pivoted eccentric wheel 153 can beat cotton A13 and cotton B14 in the installing frame 12, can make cotton A13 and cotton B14 impurity vibrate, in order to avoid cotton A13 and cotton B14 to block up and influence preliminary filtration, the extract after the filtration drips down under the action of gravity, can enter into inner chamber 24, filter paper 25 after folding this moment can filter once more, the filtration to extract impurity has effectively been improved, the extract after the filtration can drip to in the water guide cavity 26, and can discharge the liquid after the filtration through drain pipe 22, collect through collecting frame 23, so that the follow-up heavy metal cadmium quick detection card that utilizes cotton A13 and cotton B14 to block up, simultaneously can be changed at cotton A13 and cotton B14, can be changed at this moment, can be changed by the bolt 1, can be changed at the time, the second shell is opened and can be changed to the filter shell is opened to the filter, the filter 1, the filter can be changed at this moment, the bottom can be changed by the filter shell is changed to the filter 2.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (6)
1. The utility model provides a heavy metal cadmium short-term test card's water sample filtration in vegetables, includes first filtration shell (1) and sets up second filtration shell (2) at first filtration shell (1) lower extreme, inlet tube (3), its characterized in that are installed to the upper end of first filtration shell (1): the inside of the first filtering shell (1) is provided with a groove part (11), the inside of the first filtering shell (1) is provided with a mounting frame (12), the inside of the mounting frame (12) is sequentially provided with a filter cotton A (13) and a filter cotton B (14) from top to bottom, the filter cotton A (13) and the filter cotton B (14) are used for filtering vegetable extract, the outer wall of the groove part (11) is provided with a knocking part (15), and knocking vibration can be carried out on the mounting frame (12), the filter cotton A (13) and the filter cotton B (14) through the knocking part (15);
The knocking piece (15) comprises a rotating shaft (152) arranged on the outer wall of the first filtering shell (1) and connected with the output end of the motor (151), the rotating shaft (152) is inserted into the first filtering shell (1) and extends to the inside of the first filtering shell (1), and the other end of the rotating shaft (152) is connected with an eccentric wheel (153).
2. The water sample filtering structure of the rapid detection card for heavy metal cadmium in vegetables according to claim 1, wherein the water sample filtering structure is characterized in that: the knocking pieces (15) are arranged in two groups, and the knocking pieces (15) in two groups are symmetrically distributed about the central line of the first filtering shell (1).
3. The water sample filtering structure of the rapid detection card for heavy metal cadmium in vegetables according to claim 1, wherein the water sample filtering structure is characterized in that: the upper end of the second filtering shell (2) is provided with a protruding portion (21), the protruding portion (21) is matched with the groove portion (11), and a rubber pad (16) is arranged on the inner wall of the groove portion (11).
4. The water sample filtering structure of the rapid detection card for heavy metal cadmium in vegetables according to claim 3, wherein: the second filtering shell (2) is internally provided with an inner cavity (24) and a water guide cavity (26), the inner cavity (24) is communicated with the water guide cavity (26), filter paper (25) is arranged in the inner cavity (24), and extracting solution can be filtered through the filter paper (25) and dripped into the water guide cavity (26).
5. The water sample filtering structure of the rapid detection card for heavy metal cadmium in vegetables according to claim 4, wherein: the outer wall of the second filtering shell (2) is provided with a drain pipe (22), the outer side of the drain pipe (22) is provided with a valve, filtered liquid can be discharged through the drain pipe (22) through the valve, and the outer wall of the second filtering shell (2) is provided with a collecting frame (23).
6. The water sample filtering structure of the rapid detection card for heavy metal cadmium in vegetables according to claim 5, wherein the water sample filtering structure is characterized in that: the inner cavity (24) is of a funnel-shaped structure, and the inner cavity (24) is used for placing folded filter paper (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322719027.3U CN220899632U (en) | 2023-10-10 | 2023-10-10 | Water sample filtering structure of rapid detection card for heavy metal cadmium in vegetables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322719027.3U CN220899632U (en) | 2023-10-10 | 2023-10-10 | Water sample filtering structure of rapid detection card for heavy metal cadmium in vegetables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220899632U true CN220899632U (en) | 2024-05-07 |
Family
ID=90908749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322719027.3U Active CN220899632U (en) | 2023-10-10 | 2023-10-10 | Water sample filtering structure of rapid detection card for heavy metal cadmium in vegetables |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220899632U (en) |
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2023
- 2023-10-10 CN CN202322719027.3U patent/CN220899632U/en active Active
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