CN220289157U - Food pesticide residue detects with extraction element - Google Patents
Food pesticide residue detects with extraction element Download PDFInfo
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- CN220289157U CN220289157U CN202321965965.5U CN202321965965U CN220289157U CN 220289157 U CN220289157 U CN 220289157U CN 202321965965 U CN202321965965 U CN 202321965965U CN 220289157 U CN220289157 U CN 220289157U
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- liquid outlet
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- extraction
- direct current
- heat conducting
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- 238000000605 extraction Methods 0.000 title claims abstract description 63
- 239000000447 pesticide residue Substances 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 100
- 230000017525 heat dissipation Effects 0.000 claims abstract description 14
- 239000004519 grease Substances 0.000 claims description 10
- 229920001296 polysiloxane Polymers 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 40
- 238000005070 sampling Methods 0.000 abstract description 13
- 238000001914 filtration Methods 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 6
- 230000006872 improvement Effects 0.000 description 5
- 230000036760 body temperature Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of food pesticide residue detection, and discloses extraction equipment for food pesticide residue detection, which comprises a crushing rod capable of being positioned in an inner cavity of a filter basket when a machine head is arranged on an extraction cylinder; a heat conducting plate is fixedly arranged in the inner cavity of the machine head and between the miniature direct current motor and the storage battery, the lower surface of the heat conducting plate is contacted with the top of the miniature direct current motor, and the upper surface of the heat conducting plate is contacted with the bottom of the storage battery; the machine head is also provided with a heat dissipation structure; the check valve is provided with a multi-path parallel liquid outlet structure. According to the utility model, through the multi-channel parallel liquid outlet structure, when the liquid is discharged, a plurality of sampling test tubes can be respectively used, and each sampling test tube is respectively abutted against a corresponding liquid outlet.
Description
Technical Field
The utility model relates to the technical field of food pesticide residue detection, in particular to extraction equipment for food pesticide residue detection.
Background
The current chinese patent document of patent publication No. CN 217163285U discloses an extracting device for detecting food pesticide residue, which comprises an extracting cylinder, a filtering mechanism and a machine head, wherein the filtering mechanism is arranged in the machine head, the machine head is fixedly arranged at the top end of the extracting cylinder, a driving motor is fixedly arranged in the machine head, and a rotating shaft is fixedly arranged at the output end of the driving motor.
The filtering mechanism comprises an inner cylinder, a limiting ring and a limiting groove, wherein the limiting ring is arranged at the top end of the inner cylinder, a filtering basket is fixedly arranged at the bottom of the limiting ring, a limiting block is fixedly arranged at the bottom of the inner cylinder, a liquid outlet is formed in the bottom of the inner cylinder, and the limiting block is inserted into the limiting groove.
The above patent documents have certain technical drawbacks in practical use, such as:
as shown in fig. 2 and 4 of the patent document, the driving motor is installed in the closed machine head, and when the driving motor works, the machine body generates more heat, the heat can circulate in the closed space and cannot be emitted outwards, and the driving motor can be failed due to heat problem;
as shown in fig. 1 and 2 in this patent document, the liquid outlet pipe is provided with only one, and when food detection staff needs to perform the extraction detection simultaneously or separately, only one extraction device of the liquid outlet pipe is provided, and in the case that multi-path simultaneous liquid outlet cannot be realized, the working efficiency at this time becomes lower.
For this reason, there is a need for an extraction device for food pesticide residue detection.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides extraction equipment for detecting food pesticide residues, and solves the problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the extraction equipment for detecting food pesticide residues comprises an extraction cylinder, wherein a check valve is arranged at the bottom of the extraction cylinder, and a valve head is arranged on the check valve;
an inner sleeve is inserted and installed in the inner cavity of the extraction cylinder, and a filter basket is fixedly installed in the inner cavity of the inner sleeve;
the top of the extraction cylinder is in an opening shape, a machine head is detachably arranged at the opening shape of the top, the machine head is hollow, a bottom shell is fixedly arranged at the bottom of the machine head, a miniature direct current motor is fixedly arranged at the top of the bottom shell and in an inner cavity of the machine head, an output shaft of the miniature direct current motor penetrates through the bottom shell downwards, a crushing rod is fixedly arranged at the end part of the miniature direct current motor, and when the machine head is arranged on the extraction cylinder, the crushing rod can be positioned in the inner cavity of the filter basket;
the upper part of the inner cavity of the machine head is provided with a storage battery, the top of the machine head is provided with a control switch, the control switch is respectively connected with the storage battery and the miniature direct current motor through a lead, a loop which can be opened or closed is formed among the storage battery, the control switch and the miniature direct current motor, a heat conducting plate is fixedly arranged in the inner cavity of the machine head and between the miniature direct current motor and the storage battery, the lower surface of the heat conducting plate is contacted with the top of the miniature direct current motor, and the upper surface of the heat conducting plate is contacted with the bottom of the storage battery;
the machine head is also provided with a heat dissipation structure;
and the check valve is provided with a multi-path parallel liquid outlet structure.
Preferably, the multichannel parallel liquid outlet structure is responsible for including the liquid that transversely sets up, the middle part of the circumference lateral wall of being responsible for the liquid is fixedly connected with the bottom of check valve, the both ends that the liquid was responsible for all fixed mounting have sealed lid, the circumference lateral wall that the liquid was responsible for is in one side fixed mounting for the check valve have a plurality of outlet branch pipes, every the inner chamber of outlet branch pipe all is linked together with the inner chamber that the liquid was responsible for.
Preferably, the liquid outlet branch pipes are arranged at equal intervals.
Preferably, the heat dissipation structure is a plurality of heat dissipation holes formed in the lower part of the circumferential side wall of the machine head.
Preferably, the heat conducting plate is a heat conducting copper plate with the upper surface and the lower surface coated with heat conducting silicone grease.
Preferably, the heat conducting plate is a heat conducting aluminum plate with the upper surface and the lower surface coated with heat conducting silicone grease.
Preferably, the overall dimension of drain pan can be with the shape size phase-match of extraction barrel top opening part, the external screw thread portion has been seted up on the circumference lateral wall of drain pan, the internal screw thread portion has been seted up at the inner chamber top of extraction barrel, the aircraft nose can realize locking through the screw thread cooperation between external screw thread portion and the internal screw thread portion on the drain pan.
Advantageous effects
The utility model provides an extraction device for detecting food pesticide residues, which has the following beneficial effects:
1. after extraction is finished, the valve head on the check valve can be opened to enable the detection sample liquid to flow into the multi-path parallel liquid outlet structure from the check valve, and then the multi-path parallel liquid outlet structure can enable the detection sample liquid to be discharged outwards in a multi-path circulation mode, when the detection sample liquid is discharged, a plurality of sampling test tubes can be respectively used, each sampling test tube is respectively butted with a corresponding liquid outlet, in this way, liquid can be discharged simultaneously, and the liquid outlet efficiency during detection is improved;
meanwhile, the extraction equipment is convenient to carry, and is convenient for workers to extract sample liquid.
2. In order to solve the problem that the miniature direct current motor and the storage battery are overheated during operation, the heat conducting plate is arranged between the miniature direct current motor and the storage battery, the miniature direct current motor and the storage battery can conduct heat, the heat after heat conduction can be discharged outwards through the heat radiating structure arranged on the machine head, the heat exchange between the inside and the outside of the machine head can be realized through the heat radiating structure, and when the body temperature of the miniature direct current motor and the storage battery is kept in a better range, the service life and the safety of the machine head can be correspondingly improved.
3. According to the utility model, the filter basket can filter the sample, a small amount of incompletely crushed residues of the sample are filtered and intercepted, the inner sleeve is arranged to facilitate the staff to take out from the interior of the extraction cylinder for cleaning, the side wall of the inner cavity of the extraction cylinder can be kept clean, and the practicability of the extraction device for detecting food pesticide residues is improved.
4. In the present utility model, the heat conductive plate has at least two or more preferred forms.
Drawings
FIG. 1 is a three-dimensional schematic of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is a schematic cross-sectional view taken along line A-A in FIG. 2;
FIG. 4 is a three-dimensional schematic view of a handpiece of the present utility model from below;
FIG. 5 is a three-dimensional schematic of an extraction cartridge of the present utility model;
fig. 6 is a three-dimensional schematic of the utility model in bottom view.
In the figure: 1. an extraction cylinder; 101. an internal thread portion; 2. an inner sleeve; 3. a filter basket; 4. a check valve; 5. a valve head; 6. a machine head; 601. a heat radiation hole; 7. a bottom case; 701. an external thread portion; 8. a miniature DC motor; 9. crushing the rod; 10. a heat conductive plate; 11. a storage battery; 12. a control switch; 13. a liquid outlet main pipe; 14. sealing cover; 15. and a liquid outlet branch 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.
Example 1
The current chinese patent document of patent publication No. CN 217163285U discloses an extracting device for detecting pesticide residues of food, comprising an extracting cylinder, a filtering mechanism and a machine head, wherein the filtering mechanism is arranged in the machine head, the machine head is fixedly arranged at the top end of the extracting cylinder, a driving motor is fixedly arranged in the machine head, and a rotating shaft is fixedly arranged at the output end of the driving motor.
The filtering mechanism comprises an inner cylinder, a limiting ring and a limiting groove, wherein the limiting ring is arranged at the top end of the inner cylinder, a filtering basket is fixedly arranged at the bottom of the limiting ring, a limiting block is fixedly arranged at the bottom of the inner cylinder, a liquid outlet is formed in the bottom of the inner cylinder, and the limiting block is inserted into the limiting groove.
The above patent documents have certain technical drawbacks in practical use, such as:
as shown in fig. 2 and 4 of the patent document, the driving motor is installed in the closed machine head, and when the driving motor works, the machine body generates more heat, the heat can circulate in the closed space and cannot be emitted outwards, and the driving motor can be failed due to heat problem;
as shown in fig. 1 and 2 in this patent document, the liquid outlet pipe is provided with only one, and when food detection staff needs to perform the extraction detection simultaneously or separately, only one extraction device of the liquid outlet pipe is provided, and in the case that multi-path simultaneous liquid outlet cannot be realized, the working efficiency at this time becomes lower.
The inventor aims at solving the technical problems existing in the patent documents, and adopts the following technical scheme to overcome the problems, and the technical scheme is as follows:
as shown in fig. 1-6, the present utility model provides a technical solution:
the extracting equipment for detecting food pesticide residues comprises an extracting cylinder 1, wherein a check valve 4 is arranged at the bottom of the extracting cylinder 1, and a valve head 5 is arranged on the check valve 4;
an inner cavity of the extraction cylinder 1 is inserted and provided with an inner sleeve 2, and an inner cavity of the inner sleeve 2 is fixedly provided with a filter basket 3;
the top of the extraction cylinder 1 is in an opening shape, a machine head 6 is detachably arranged in the opening shape of the top, the machine head 6 is hollow, a bottom shell 7 is fixedly arranged at the bottom of the machine head 6, a miniature direct current motor 8 is fixedly arranged at the top of the bottom shell 7 and in an inner cavity of the machine head 6, an output shaft of the miniature direct current motor 8 downwards penetrates through the bottom shell 7, a crushing rod 9 is fixedly arranged at the end part of the miniature direct current motor, a plurality of crushing fins are arranged on the crushing rod 9, and when the machine head 6 is arranged on the extraction cylinder 1, the crushing rod 9 can be positioned in the inner cavity of the filter basket 3;
the upper part of the inner cavity of the machine head 6 is provided with a storage battery 11, the top of the machine head 6 is provided with a control switch 12, the control switch 12 is respectively connected with the storage battery 11 and the micro direct current motor 8 through leads, a loop which can be opened or closed is formed among the storage battery 11, the control switch 12 and the micro direct current motor 8, a heat conducting plate 10 is fixedly arranged in the inner cavity of the machine head 6 and between the micro direct current motor 8 and the storage battery 11, the lower surface of the heat conducting plate 10 is contacted with the top of the micro direct current motor 8, and the upper surface is contacted with the bottom of the storage battery 11;
the machine head 6 is also provided with a heat dissipation structure;
the check valve 4 is provided with a plurality of parallel liquid outlet structures which are provided with a plurality of liquid outlets.
In the embodiment, a food sample is placed in the filter basket 3 by taking down the machine head 6 from the extraction cylinder 1, a proper amount of detection liquid is injected into the inner sleeve 2, the machine head 6 is arranged on the extraction cylinder 1, and the control switch 12 is started to enable the micro direct current motor 8 to drive the crushing rod 9 to crush the sample and mix with the detection liquid to finish the extraction of the detection sample liquid;
in the embodiment, after extraction is completed, the valve head 5 on the check valve 4 can be opened to enable the detection sample liquid to flow into the multi-path parallel liquid outlet structure from the check valve 4, and then the multi-path parallel liquid outlet structure can enable the detection sample liquid to be discharged outwards in a multi-path circulation mode, when the detection sample liquid is discharged, a plurality of sampling test tubes can be respectively used, each sampling test tube is respectively butted with a corresponding liquid outlet, in this way, liquid can be discharged simultaneously, the liquid outlet efficiency during detection is improved, and meanwhile, the extraction equipment is convenient to carry and is convenient for staff to extract the sample liquid;
the filter basket 3 can filter the sample, a small amount of incompletely crushed residues of the sample are filtered and intercepted, the inner sleeve 2 of the filter basket can be conveniently taken out from the extraction barrel 1 by workers to clean, the side wall of the inner cavity of the extraction barrel 1 can be kept clean, and the practicability of the extraction device for detecting food pesticide residues is improved;
in this embodiment, in order to solve the problem that the micro dc motor 8 and the storage battery 11 overheat during operation, the heat conducting plate 10 is installed between the micro dc motor 8 and the storage battery 11, so that heat after heat conduction can be conducted to the micro dc motor 8 and the storage battery 11, and the heat after heat conduction can be discharged outwards through the heat dissipation structure arranged on the machine head 6, and through the heat dissipation structure, the internal and external heat exchange of the machine head 6 can be realized, so that when the body temperatures of the micro dc motor 8 and the storage battery 11 are kept in a preferred range, the service life and the safety of the machine can be correspondingly improved.
Example 2
As shown in fig. 1-6, the improvement is based on the first embodiment:
further, the multichannel parallel liquid outlet structure includes the liquid outlet main pipe 13 of horizontal setting, and the middle part of liquid outlet main pipe 13 circumference lateral wall and the bottom fixed connection of check valve 4 are responsible for 13 both ends all fixed mounting that liquid outlet is responsible for and are had a plurality of liquid outlet branch pipes 15 for one side fixed mounting of check valve 4 to the circumference lateral wall that liquid outlet main pipe 13, and the inner chamber of every liquid outlet branch pipe 15 all is responsible for 13's inner chamber with liquid outlet and is linked together.
In this embodiment, after the valve head 5 is opened, the detection sample liquid in the check valve 4 flows into the main liquid pipe 13, two sealing covers 14 are respectively installed at two ends of the main liquid pipe 13, at this time, two ends of the inner cavity of the main liquid pipe 13 are closed, the inner cavity of the main liquid pipe 13 is filled with the detection sample liquid in the main liquid pipe 13, and the detection sample liquid flows out through each of the liquid outlet branch pipes 15, and each of the sampling test tubes can be abutted against the corresponding liquid outlet branch pipe 15, so as to access the detection sample liquid, and after the plurality of sampling test tubes access the detection sample liquid at the same time, the detection test tubes can be simultaneously or respectively detected, thereby improving the detection efficiency.
Further, the adjacent liquid outlet branch pipes 15 are equidistantly arranged.
In this embodiment, the adjacent outlet branches 15 are equally spaced from each other.
Example 3
As shown in fig. 1-6, the improvement is based on the first embodiment:
further, the heat dissipation structure is a plurality of heat dissipation holes 601 formed on the lower portion of the circumferential side wall of the handpiece 6.
In this embodiment, the plurality of heat dissipation holes 601 are all communicated with the lower part of the inner cavity of the handpiece 6, so that the heat of the body of the micro direct current motor 8 can be replaced outwards.
Example 4
As shown in fig. 1-6, the improvement is based on the first embodiment:
further, the heat conductive plate 10 is a heat conductive copper plate coated with heat conductive silicone grease on both the upper surface and the lower surface.
In this embodiment, a thermally conductive copper plate coated with thermally conductive silicone grease is the first preferred form of thermally conductive plate 10.
Example 5
As shown in fig. 1-6, the improvement is based on the first embodiment:
further, the heat conducting plate 10 is a heat conducting aluminum plate with heat conducting silicone grease coated on the upper surface and the lower surface.
In this embodiment, a thermally conductive aluminum plate coated with thermally conductive silicone grease is the second preferred form of thermally conductive plate 10.
Example 6
As shown in fig. 1-6, the improvement is based on the first embodiment:
further, the overall dimension of the bottom shell 7 can be matched with the shape and dimension of the top opening of the extraction barrel 1, the external thread part 701 is arranged on the circumferential side wall of the bottom shell 7, the internal thread part 101 is arranged on the top of the inner cavity of the extraction barrel 1, and the machine head 6 can be locked through the threaded fit between the external thread part 701 and the internal thread part 101 on the bottom shell 7.
In this embodiment, the external thread part 701 and the internal thread part 101 are provided to facilitate the detachment and installation of the head 6 from and into the extraction cartridge 1.
To sum up, the workflow of the utility model: when the liquid sampling device is used, a machine head 6 is taken down from an extraction cylinder 1, a food sample is placed in a filter basket 3, a proper amount of detection liquid is injected into an inner sleeve 2, the machine head 6 is arranged on the extraction cylinder 1, a control switch 12 is started to drive a crushing rod 9 to crush the sample and mix the detection liquid to finish the extraction of the detection sample liquid, after the detection sample liquid is finished, a valve head 5 on a check valve 4 can be opened, the detection sample liquid flows into a multi-path parallel liquid outlet structure from the check valve 4, and then the detection sample liquid can be simultaneously discharged outwards in a multi-path circulating mode through the multi-path parallel liquid outlet structure, a plurality of sampling test tubes can be respectively used during discharging, and each sampling test tube is respectively connected with a corresponding liquid outlet in a butt joint mode, so that the liquid outlet efficiency during detection can be simultaneously discharged, and the liquid outlet efficiency is improved;
the extraction equipment is convenient to carry and convenient for staff to extract the sample liquid;
the filter basket 3 can filter the sample, a small amount of incompletely crushed residues of the sample are filtered and intercepted, and the inner sleeve 2 is arranged to facilitate the staff to take out from the extraction barrel 1 for cleaning, so that the practicability of the extraction device for detecting the pesticide residues of food is improved;
the arrangement of the external thread part 701 and the internal thread part 101 can facilitate the disassembly and the assembly of the machine head 6 and the extraction cylinder 1;
specifically, after the valve head 5 is opened, the detection sample liquid in the check valve 4 flows into the main liquid pipe 13, two sealing covers 14 are respectively installed at two ends of the main liquid pipe 13, at this time, two ends of the inner cavity of the main liquid pipe 13 are closed, the detection sample liquid in the main liquid pipe 13 fills the inner cavity of the main liquid pipe 13 and flows out through each branch liquid pipe 15, each sampling test tube can be abutted against the corresponding branch liquid pipe 15, so as to receive the detection sample liquid, and after the plurality of sampling test tubes receive the detection sample liquid at the same time, the detection test tubes can be detected simultaneously or respectively, so that the detection efficiency is improved;
in order to solve the problem that the miniature direct current motor 8 and the storage battery 11 are overheated during operation, the heat conducting plate 10 is arranged between the miniature direct current motor 8 and the storage battery 11, so that the miniature direct current motor 8 and the storage battery 11 can conduct heat, the heat after heat conduction can be discharged outwards through a heat radiating structure arranged on the machine head 6, the heat exchange between the interior and the exterior of the machine head 6 can be realized through the heat radiating structure, and when the body temperature of the miniature direct current motor 8 and the body temperature of the storage battery 11 are kept in a better range, the service life and the safety of the machine are correspondingly improved;
specifically, the plurality of heat dissipation holes 601 are communicated with the lower part of the inner cavity of the machine head 6, so that the heat of the machine body of the miniature direct current motor 8 can be outwards replaced;
a thermally conductive copper plate coated with thermally conductive silicone grease is the first preferred form of thermally conductive plate 10;
a thermally conductive aluminum plate coated with thermally conductive silicone grease is the second preferred form of thermally conductive plate 10.
The different embodiments described above can be used in combination with each other.
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 (7)
1. The extraction equipment for detecting food pesticide residues comprises an extraction cylinder (1), wherein a check valve (4) is arranged at the bottom of the extraction cylinder (1), and a valve head (5) is arranged on the check valve (4);
an inner cavity of the extraction cylinder (1) is inserted and provided with an inner sleeve (2), and an inner cavity of the inner sleeve (2) is fixedly provided with a filter basket (3);
the top of the extraction cylinder (1) is in an opening shape, a machine head (6) is detachably arranged at the opening shape of the top of the extraction cylinder, the machine head (6) is hollow, a bottom shell (7) is fixedly arranged at the bottom of the machine head (6), a miniature direct current motor (8) is fixedly arranged at the top of the bottom shell (7) and in an inner cavity of the machine head (6), an output shaft of the miniature direct current motor (8) downwards penetrates through the bottom shell (7), a crushing rod (9) is fixedly arranged at the end part of the miniature direct current motor, and when the machine head (6) is arranged on the extraction cylinder (1), the crushing rod (9) can be positioned in the inner cavity of the filter basket (3);
the utility model provides a battery (11) is installed on inner chamber upper portion of aircraft nose (6), control switch (12) is installed at the top of aircraft nose (6), control switch (12) are connected with battery (11) and miniature direct current motor (8) respectively through the wire, make form a circuit that can open or close between battery (11), control switch (12) and miniature direct current motor (8), its characterized in that: a heat conducting plate (10) is fixedly arranged in the inner cavity of the machine head (6) and between the miniature direct current motor (8) and the storage battery (11), the lower surface of the heat conducting plate (10) is contacted with the top of the miniature direct current motor (8), and the upper surface is contacted with the bottom of the storage battery (11);
a heat dissipation structure is further arranged on the machine head (6);
and the check valve (4) is provided with a multi-path parallel liquid outlet structure.
2. The extraction device for detecting pesticide residues on food according to claim 1, wherein: the multi-channel parallel liquid outlet structure comprises a liquid outlet main pipe (13) which is transversely arranged, the middle part of the circumferential side wall of the liquid outlet main pipe (13) is fixedly connected with the bottom of a check valve (4), both ends of the liquid outlet main pipe (13) are fixedly provided with sealing covers (14), the circumferential side wall of the liquid outlet main pipe (13) is fixedly provided with a plurality of liquid outlet branch pipes (15) on one side opposite to the check valve (4), and the inner cavity of each liquid outlet branch pipe (15) is communicated with the inner cavity of the liquid outlet main pipe (13).
3. The extraction device for detecting pesticide residues on food according to claim 2, wherein: the liquid outlet branch pipes (15) are arranged at equal intervals.
4. The extraction device for detecting pesticide residues on food according to claim 1, wherein: the heat dissipation structure is a plurality of heat dissipation holes (601) formed in the lower portion of the circumferential side wall of the machine head (6).
5. The extraction device for detecting pesticide residues on food according to claim 1, wherein: the heat conducting plate (10) is a heat conducting copper plate with the upper surface and the lower surface coated with heat conducting silicone grease.
6. The extraction device for detecting pesticide residues on food according to claim 1, wherein: the heat conducting plate (10) is a heat conducting aluminum plate with the upper surface and the lower surface coated with heat conducting silicone grease.
7. The extraction device for detecting pesticide residues on food according to claim 1, wherein: external dimension of drain pan (7) can be with the shape and size phase-match of extraction barrel (1) open-top department, external screw thread portion (701) have been seted up on the circumference lateral wall of drain pan (7), internal screw thread portion (101) have been seted up at the inner chamber top of extraction barrel (1), screw thread cooperation between external screw thread portion (701) and internal screw thread portion (101) on drain pan (7) can be realized locking through aircraft nose (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321965965.5U CN220289157U (en) | 2023-07-25 | 2023-07-25 | Food pesticide residue detects with extraction element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321965965.5U CN220289157U (en) | 2023-07-25 | 2023-07-25 | Food pesticide residue detects with extraction element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220289157U true CN220289157U (en) | 2024-01-02 |
Family
ID=89335990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321965965.5U Active CN220289157U (en) | 2023-07-25 | 2023-07-25 | Food pesticide residue detects with extraction element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220289157U (en) |
-
2023
- 2023-07-25 CN CN202321965965.5U patent/CN220289157U/en active Active
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