CN214200762U - Sample extraction element that pesticide residue detection device used - Google Patents
Sample extraction element that pesticide residue detection device used Download PDFInfo
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- CN214200762U CN214200762U CN202022864481.4U CN202022864481U CN214200762U CN 214200762 U CN214200762 U CN 214200762U CN 202022864481 U CN202022864481 U CN 202022864481U CN 214200762 U CN214200762 U CN 214200762U
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Abstract
The utility model relates to a pesticide residue detects technical field, specifically is a sample extraction element that pesticide residue detection device used, including the liquid-transfering gun, the below of liquid-transfering gun is provided with the rifle head, and the bottom inboard of rifle head is provided with the filter screen, and the inside top of liquid-transfering gun is provided with the piston rod, and the top of piston rod is provided with the piston seat, and the bottom of piston rod is provided with the seal cover, and the inside slide bar that is provided with of piston rod, the top of slide bar are provided with slide bar seat, beneficial effect: the gun head brush is arranged on the outer side of the abutting block, so that vegetable particles attached to the inner wall of the gun head can be removed by the abutting block in the sliding process of the inner wall of the gun head, and the vegetable particles on the inner wall of the liquid transferring gun can be removed by the brush in the decontamination disc. The sliding rod is arranged in the piston, so that the up-and-down adjustment of the abutting block is not required to be carried out by depending on the up-and-down movement of the piston, and after the piston rises to the top, the liquid-transfering gun and the inner wall of the gun head can be repeatedly cleaned by moving the sliding rod up and down.
Description
Technical Field
The utility model relates to a pesticide residue detects technical field, specifically is a sample extraction element that pesticide residue detection device used.
Background
The pesticide remains in grains, vegetables, fruits, livestock products, aquatic products, soil and water after the pesticide is applied in agricultural production. These residual pesticides are extremely harmful to the human body.
At present, most sample extraction devices for pesticide residue detection devices do not have the function of real-time cleaning, and some vegetables contain some corrosive elements, so that the situations of equipment erosion and pipeline blockage caused by long-term non-cleaning are easy to occur.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sample extraction element that pesticide residue detection device used to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sample extraction element that pesticide residue detection device used, including the pipetting gun, the below of pipetting gun is provided with the rifle head, the bottom inboard of rifle head is provided with the filter screen, the inside top of pipetting gun is provided with the piston rod, the top of piston rod is provided with the piston seat, the bottom of piston rod is provided with the seal cover, the inside slide bar that is provided with of piston rod, the top of slide bar is provided with the slide bar seat, the bottom of slide bar is provided with and supports the piece, the horizontal outside that supports the piece is provided with rifle head brush, the bottom top of slide bar is provided with decontamination dish, the horizontal outside of decontamination dish is provided with the brush.
Preferably, the top of the gun head is fixedly connected with the middle part below the pipette gun, the gun head is communicated with the pipette gun, and the inner wall of the bottom of the gun head is fixedly connected with the outer side of the filter screen.
Preferably, the liquid-transfering gun is internally provided with a slideway, a piston rod is connected with the liquid-transfering gun in a sliding manner, the top of the piston rod is fixedly connected with the middle part below the piston seat, the bottom of the piston rod is fixedly connected with the top of a sealing sleeve, and the sealing sleeve is connected with the slideway in a sealing and sliding manner.
Preferably, a vertical sliding groove is formed in the piston rod, the sliding rod is arranged in the sliding groove and is in vertical sliding connection with the sliding groove, the top of the sliding rod penetrates out of the bottom of the piston seat and is fixedly connected with the bottom of the sliding rod seat, and the bottom of the sliding rod penetrates out of the sealing sleeve and is fixedly connected with the top of the abutting block.
Preferably, the decontamination disc is arranged on the outer side of the sliding rod, the inner side of the decontamination disc is in sliding connection with the outer wall of the sliding rod, a supporting groove is arranged in the middle of the lower portion of the decontamination disc, and the size of the supporting groove is the same as that of the supporting block.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the gun head brush is arranged on the outer side of the abutting block, so that vegetable particles attached to the inner wall of the gun head can be removed by the abutting block in the sliding process of the inner wall of the gun head, and the vegetable particles on the inner wall of the liquid transferring gun can be removed by the brush in the decontamination disc.
2. The sliding rod is arranged in the piston, so that the up-and-down adjustment of the abutting block is not required to be carried out by depending on the up-and-down movement of the piston, and after the piston rises to the top, the liquid-transfering gun and the inner wall of the gun head can be repeatedly cleaned by moving the sliding rod up and down.
Drawings
FIG. 1 is a schematic view of the structure of the present invention showing the piston pushed to the bottom;
fig. 2 is a schematic structural view of the piston drawn to the top of the present invention.
In the figure: 1. the liquid-transfering gun comprises a liquid-transfering gun body 2, a gun head 21, a filter screen 3, a piston rod 31, a piston seat 32, a sealing sleeve 4, a slide rod 41, a slide rod seat 42, a resisting block 43, a gun head brush 5, a decontamination disc 51 and a hairbrush.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 2, the present invention provides a technical solution: the utility model provides a sample extraction element that pesticide residue detection device used, including pipette 1, the below of pipette 1 is provided with rifle head 2, the bottom inboard of rifle head 2 is provided with filter screen 21, the inside top of pipette 1 is provided with piston rod 3, the top of piston rod 3 is provided with piston seat 31, the bottom of piston rod 3 is provided with seal cover 32, the inside slide bar 4 that is provided with of piston rod 3, the top of slide bar 4 is provided with slide bar seat 41, the bottom of slide bar 4 is provided with supports piece 42, the horizontal outside that supports piece 42 is provided with rifle head brush 43, the bottom top of slide bar 4 is provided with decontamination dish 5, the horizontal outside of decontamination dish 5 is provided with brush 51.
The top of the gun head 2 is fixedly connected with the middle part below the pipette gun 1, the gun head 2 is communicated with the pipette gun 1, and the inner wall of the bottom of the gun head 2 is fixedly connected with the outer side of the filter screen 21. The inside of liquid-transfering gun 1 is provided with the slide, and piston rod 3 and liquid-transfering gun 1 sliding connection, the below middle part fixed connection of piston rod 3's top and piston seat 31, the bottom of piston rod 3 and the top fixed connection of seal cover 32, seal cover 32 is sealed sliding connection in the slide.
A vertical sliding groove is arranged in the piston rod 3, the sliding rod 4 is arranged in the sliding groove, the sliding rod 4 is vertically and slidably connected with the sliding groove, the top of the sliding rod 4 penetrates out of the piston seat 31 to be fixedly connected with the bottom of the sliding rod seat 41, and the bottom of the sliding rod 4 penetrates out of the sealing sleeve 32 to be fixedly connected with the top of the abutting block 42. The decontamination disc 5 is arranged on the outer side of the sliding rod 4, the inner side of the decontamination disc 5 is in sliding connection with the outer wall of the sliding rod 4, a supporting groove is arranged in the middle of the lower portion of the decontamination disc 5, the size of the supporting groove is the same as that of the supporting block 42, and the supporting block 42 is in contact with the supporting groove to drive the decontamination disc 5 to ascend.
The working principle is as follows: crushing and juicing vegetables needing pesticide residue detection, collecting and storing the vegetables, pushing down the piston seat 31 to enable the piston rod 3 to extrude and discharge air in the liquid transferring gun 1, vertically placing the liquid transferring gun 1 above juice, placing the gun head 2 in liquid, upwards pulling the slide rod seat 41 to enable the slide rod 4 to upwards move, enabling the abutting block 42 to contact the decontamination disc 5 after the slide rod 4 moves to a certain height, upwards driving the decontamination disc 5 to enable the decontamination disc 5 to push the sealing sleeve 32 and the piston 3 to upwards move, enabling the juice to enter the liquid transferring gun 1 along the gun head 2, filtering part of vegetable blocks with larger particles when the juice passes through the filter screen 2 to prevent the vegetable blocks from entering the liquid transferring gun 1 to cause the inner part of the liquid transferring gun 1 to be blocked by the vegetables, and moving the extracted vegetable juice to a detection position after the piston rod 3 and the sealing sleeve 3 rise to the top, at this moment, the piston seat 31 is pushed downwards again, the piston rod 3 is moved downwards, the decontamination disc 5 is pushed to slide downwards, the decontamination disc 5 is moved downwards, the outer side hairbrush 51 cleans small vegetable particle residues on the inner wall of the liquid transfer gun 1, the gun head brush 43 on the outer side of the resisting block 42 cleans the small vegetable particle residues on the inner wall of the gun head 2, the residues are prevented from being attached to the inner walls of the liquid transfer gun 1 and the gun head 2, if the residues are not cleaned, the sliding difficulty of the sealing sleeve 32 on the liquid transfer gun 1 can be caused, and the situation that the gun head 2 is blocked easily occurs.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a sample extraction element that pesticide residue detection device used, includes pipette (1), its characterized in that: the liquid transferring gun is characterized in that a gun head (2) is arranged below the liquid transferring gun (1), a filter screen (21) is arranged on the inner side of the bottom of the gun head (2), a piston rod (3) is arranged above the inner portion of the liquid transferring gun (1), a piston seat (31) is arranged at the top of the piston rod (3), a sealing sleeve (32) is arranged at the bottom of the piston rod (3), a sliding rod (4) is arranged inside the piston rod (3), a sliding rod seat (41) is arranged at the top of the sliding rod (4), a supporting block (42) is arranged at the bottom of the sliding rod (4), a gun head brush (43) is arranged on the horizontal outer side of the supporting block (42), a decontamination disc (5) is arranged above the bottom of the sliding rod (4), and a brush (51) is arranged on the horizontal outer side of the decontamination disc (5).
2. The sample-extracting device for a pesticide residue-detecting device according to claim 1, characterized in that: the top of the gun head (2) is fixedly connected with the middle part below the liquid-transfering gun (1), the gun head (2) is communicated with the liquid-transfering gun (1), and the inner wall of the bottom of the gun head (2) is fixedly connected with the outer side of the filter screen (21).
3. The sample-extracting device for a pesticide residue-detecting device according to claim 1, characterized in that: the liquid-transfering gun is characterized in that a slide way is arranged in the liquid-transfering gun (1), a piston rod (3) is connected with the liquid-transfering gun (1) in a sliding mode, the top of the piston rod (3) is fixedly connected with the middle of the lower portion of a piston seat (31), the bottom of the piston rod (3) is fixedly connected with the top of a sealing sleeve (32), and the sealing sleeve (32) is connected with the slide way in a sealing and sliding mode.
4. The sample-extracting device for a pesticide residue-detecting device according to claim 1, characterized in that: the piston rod (3) is internally provided with a vertical sliding groove, the sliding rod (4) is arranged in the sliding groove, the sliding rod (4) is vertically and slidably connected with the sliding groove, the top of the sliding rod (4) penetrates out of the piston seat (31) to be fixedly connected with the bottom of the sliding rod seat (41), and the bottom of the sliding rod (4) penetrates out of the sealing sleeve (32) to be fixedly connected with the top of the abutting block (42).
5. The sample-extracting device for a pesticide residue-detecting device according to claim 1, characterized in that: the decontamination disc (5) is arranged on the outer side of the sliding rod (4), the inner side of the decontamination disc (5) is in sliding connection with the outer wall of the sliding rod (4), a supporting groove is arranged in the middle of the lower portion of the decontamination disc (5), and the size of the supporting groove is the same as that of the supporting block (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022864481.4U CN214200762U (en) | 2020-12-03 | 2020-12-03 | Sample extraction element that pesticide residue detection device used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022864481.4U CN214200762U (en) | 2020-12-03 | 2020-12-03 | Sample extraction element that pesticide residue detection device used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214200762U true CN214200762U (en) | 2021-09-14 |
Family
ID=77649633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022864481.4U Active CN214200762U (en) | 2020-12-03 | 2020-12-03 | Sample extraction element that pesticide residue detection device used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214200762U (en) |
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2020
- 2020-12-03 CN CN202022864481.4U patent/CN214200762U/en active Active
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