CN215375256U

CN215375256U - Incomplete detection device of farming based on graphite alkene solid-phase extraction

Info

Publication number: CN215375256U
Application number: CN202121737838.0U
Authority: CN
Inventors: 赵建伟; 耿海英; 燕红芳
Original assignee: Beijing Beijiu Environmental Technology Co ltd
Current assignee: Beijing Beijiu Environmental Technology Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-12-31
Anticipated expiration: 2031-07-29

Abstract

The utility model relates to the technical field of agricultural product detection. The utility model discloses a incomplete detection device of farming based on graphite alkene solid phase extraction, including the hybrid chamber, hybrid chamber bottom fixed mounting has the toper structure, toper structure bottom fixedly connected with liquid outlet, liquid outlet department is provided with the ooff valve, agitating unit with the cooperation of pegging graft of first backup pad, agitating unit upper portion fixed mounting has the stirring structure top cap, stirring structure top cap top fixed mounting has the motor, motor shaft and second pivot fixed connection, lie in the second pivot the inboard fixed mounting of stirring structure top cap has the second gear, second gear and first gear engagement, first gear fixed mounting is in first pivot, first pivot lower part is equipped with first puddler, second pivot lower part is equipped with the second puddler. The pesticide residue detection device based on graphene solid-phase extraction is convenient to disassemble, wash and clean, and can effectively avoid residues in a mixing cavity.

Description

Incomplete detection device of farming based on graphite alkene solid-phase extraction

Technical Field

The utility model relates to the technical field of agricultural product detection, in particular to a graphene solid-phase extraction-based pesticide residue detection device.

Background

At present, along with the improvement of the living standard of people, the demand of people on fruit and vegetable products in life is gradually increased, in order to increase the yield of the fruit and vegetable products and ensure the production quality, pesticides are sprayed in the process of the growth of the fruit and vegetable products to remove plant diseases and insect pests, therefore, before the fruit and vegetable products are on the market, the pesticide residues on the surfaces of the fruit and vegetable products need to be detected to judge whether the fruit and vegetable products can meet the standard, when the detection is carried out by using a graphene solid phase extraction mode, a raw material liquid to be detected and a graphene solid phase extraction liquid need to be fully mixed to improve the solid phase extraction efficiency and improve the accuracy, a stirring device on the existing detection device is inconvenient to disassemble and clean after a mixing procedure is carried out, if the residues of previous detection objects exist in a mixing cavity of the detection device, the accuracy of next detection can be influenced, and therefore, a novel pesticide residue detection device based on the graphene solid phase extraction is provided, to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a pesticide residue detection device based on graphene solid-phase extraction, and aims to at least solve the technical problem that subsequent detection is influenced due to incomplete cleaning caused by inconvenience in disassembly and cleaning of a stirring device in the prior art.

In order to achieve the above object, a technical solution of an aspect of the present invention provides a graphene solid-phase extraction-based pesticide residue detection apparatus, including: a conical structure is fixedly arranged at the bottom of the mixing cavity, a liquid outlet is fixedly connected at the bottom of the conical structure, a switch valve is arranged at the liquid outlet, the mixing cavity is fixedly arranged on a second supporting plate, a first supporting column is fixedly arranged on the second supporting plate, a first supporting plate is fixedly arranged on the top of the first support, a stirring device is in splicing fit with the first supporting plate, a stirring structure top cover is fixedly arranged at the upper part of the stirring device, a motor is fixedly arranged at the top of the stirring structure top cover, the rotating shaft of the motor is fixedly connected with a second rotating shaft, a second gear is fixedly arranged on the second rotating shaft and positioned on the inner side of the top cover of the stirring structure, the second gear is meshed with the first gear which is fixedly arranged on the first rotating shaft, a first stirring rod is arranged at the lower part of the first rotating shaft, and a second stirring rod is arranged at the lower part of the second rotating shaft;

the first rotating shaft and the second rotating shaft are rotatably connected with the top cover of the stirring structure;

and a second supporting column is fixedly arranged at the bottom of the second supporting plate, and the bottom of the second supporting column is fixedly connected with the bottom plate.

In addition, the pesticide residue detection device based on graphene solid-phase extraction provided by the technical scheme of the utility model has the following technical characteristics:

as a preferable scheme of the present invention, the first support plate is fixedly provided with a positioning column, the stirring device is provided with a positioning column hole, and the positioning column is in insertion fit with the positioning column hole.

As a preferable scheme of the present invention, the bottom plate is provided with a test tube rack chute.

As a preferred scheme of the utility model, a test tube rack is arranged at the test tube rack chute, a test tube rack slide rail is arranged at the bottom of the test tube rack, and the test tube rack slide rail is in sliding fit with the test tube rack chute.

In a preferred embodiment of the present invention, the first stirring bar and the second stirring bar do not interfere with each other.

As a preferable scheme of the utility model, the upper side of the mixing cavity is fixedly connected with a liquid inlet pipe, and the top of the liquid inlet pipe is fixedly provided with a liquid inlet hopper.

As a preferable scheme of the present invention, the motor is fixedly connected to the top cover of the stirring structure through a motor fixing plate.

Compared with the prior art, the utility model has the beneficial effects that:

according to the pesticide residue detection device based on graphene solid-phase extraction, provided by the technical scheme of the utility model, the stirring device which is in plug fit with the first supporting plate is arranged, so that the used detection device can be conveniently cleaned, the stirring device can be detached after the detection device detects a substance, the structures such as the mixing cavity, the first stirring rod, the second stirring rod, the first rotating shaft, the second rotating shaft and the like can be thoroughly cleaned, and residues in the mixing cavity can be removed, so that the detection device cannot be interfered by the previous residues when detecting other substances, and the influence of the residues in the mixing cavity on the accuracy of next detection is avoided.

The arrangement of the first gear, the second gear, the first rotating shaft, the second rotating shaft, the first stirring rod and the second stirring rod enables raw material liquid to be detected in the mixing cavity to be mixed with graphene solid-phase extraction liquid more fully, the mixing effect is better, and the accuracy can be effectively improved.

Drawings

Fig. 1 is a schematic structural diagram of an appearance of a pesticide residue detection device based on graphene solid-phase extraction according to an embodiment of the present invention;

fig. 2 is a first detail display diagram of a graphene solid-phase extraction-based pesticide residue detection device according to an embodiment of the present invention;

FIG. 3 is a structural diagram of the interior of a stirring device of a pesticide residue detection device based on graphene solid-phase extraction according to an embodiment of the utility model;

fig. 4 is a second detail display diagram of a graphene solid-phase extraction-based pesticide residue detection device according to an embodiment of the present invention;

fig. 5 is a third detail display diagram of a graphene solid-phase extraction-based pesticide residue detection device according to an embodiment of the present invention;

fig. 6 is a structural diagram of a stirring device of a pesticide residue detection device based on graphene solid-phase extraction according to an embodiment of the utility model;

fig. 7 is a schematic diagram of a mixing chamber and a tapered structure of a graphene solid-phase extraction-based pesticide residue detection device according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 7 is:

1. a mixing chamber; 2. a second support plate; 201. a positioning column; 3. a first support; 4. a stirring device; 401. positioning the column hole; 5. a second support plate; 6. a second support; 7. a base plate; 701. a test tube rack chute; 8. a stirring structure top cover; 9. a first rotating shaft; 10. a second rotating shaft; 11. a first gear; 12. a second gear; 13. a motor; 14. a first stirring rod; 15. a second stirring rod; 16. a tapered structure; 17. an on-off valve; 18. a liquid outlet; 19. a liquid inlet pipe; 20. a liquid inlet hopper; 21. a test tube rack; 2101. a test tube rack slide rail; 22. motor fixed plate.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

A graphene solid-phase extraction-based pesticide residue detection device according to some embodiments of the present invention is described below with reference to fig. 1 to 7.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, and fig. 7, according to some embodiments of the present invention, a graphene solid phase extraction-based pesticide residue detection apparatus includes a mixing chamber 1.

Wherein, mixing chamber 1 fixed mounting is on second backup pad 5, and 5 bottom fixedly connected with second pillar 6 of second backup pad, 6 bottoms and bottom plate 7 fixed connection of second pillar, and second backup pad 5 is located mixing chamber 1 fixed mounting all around and has first pillar 3, and the first backup pad 2 of 3 top fixedly connected with of first pillar.

Furthermore, a stirring device 4 is inserted on the first support plate 2.

Wherein, 4 top fixed mounting of agitating unit has stirring structure top cap 8, and stirring structure top cap 8 upper portion is equipped with motor 13, and motor 13 passes through motor fixed plate 22 and stirring structure top cap 8 fixed connection.

Alternatively, the number of the motor fixing plates 22 may be 3, and the 3 motor fixing plates 22 are circumferentially and uniformly arranged at the motor 13.

Further, the rotating shaft of the motor 13 is fixedly connected with the second rotating shaft 10, the second rotating shaft 10 is arranged in the inner cavity of the stirring structure top cover 8 and is provided with a second gear 12, the second gear 12 is meshed with the first gear 11, the first gear 11 is fixedly installed on the first rotating shaft 9, and the first rotating shaft 9 and the second rotating shaft 10 are rotatably connected with the stirring structure top cover 8.

Furthermore, the first rotating shaft 9 is provided with a first stirring rod 14 inside the mixing chamber 1, and the second rotating shaft 10 is provided with a second stirring rod 15 inside the mixing chamber 1, wherein the first stirring rod 14 and the second stirring rod 15 are not interfered with each other.

Further, a conical structure 16 is fixedly installed at the bottom of the mixing cavity 1, a liquid outlet 18 is fixedly connected to the bottom of the conical structure 16, and a switch valve 17 is arranged at the liquid outlet 18.

In the embodiment of the present disclosure, through setting up agitating unit 4 with the cooperation of pegging graft of first backup pad 2, be convenient for clear up used detection device, make detection device after having detected a kind of material, can be through dismantling agitating unit 4, to mixing chamber 1, first puddler 14, second puddler 15, first pivot 9, second pivot 10 isotructure thoroughly wash, clear away the residue in mixing chamber 1, just can not disturbed by the residue before when using detection device to detect other materials like this, avoid the accuracy that the residue influences next detection in the mixing chamber 1.

The conical structure 16 is arranged to facilitate the liquid in the mixing cavity 1 to flow out from the liquid outlet 18, and the switch valve 17 at the liquid outlet 18 is arranged to facilitate the opening and closing control of the liquid outlet 18; the arrangement of the structures such as the first gear 11, the second gear 12, the first rotating shaft 9, the second rotating shaft 10, the first stirring rod 14 and the second stirring rod 15 enables the raw material liquid to be detected in the mixing cavity 1 to be mixed with the graphene solid-phase extraction liquid more fully, the mixing effect is better, and the accuracy can be effectively improved.

In some embodiments, as shown in fig. 1, fig. 2, fig. 4, fig. 5, and fig. 6, a positioning post 201 is fixedly installed on the first support plate 2, a positioning post hole 401 is formed on the stirring device 4, and the positioning post 201 is inserted into and matched with the positioning post hole 401.

In the embodiment of the present disclosure, by setting the positioning column 201 and the positioning column hole 401 to cooperate, the positioning is more convenient when the stirring device 4 cooperates with the first supporting plate 2, and the efficiency of the assembly cooperation is higher.

In some embodiments, as shown in fig. 1, fig. 2, fig. 4, and fig. 5, a test tube rack chute 701 is arranged on the bottom plate 7, a test tube rack 21 is arranged at the test tube rack chute 701, a test tube rack slide rail 2101 is arranged at the bottom of the test tube rack 21, and the test tube rack slide rail 2101 is in sliding fit with the test tube rack chute 701.

In the embodiment of the present disclosure, by setting the test tube rack sliding groove 701, the test tube rack 21 can slide along the path of the test tube rack sliding groove 701, so that the test tubes on the test tube rack 21 can be aligned to the liquid outlet 18 more accurately.

In some embodiments, as shown in fig. 1, fig. 2, fig. 4, fig. 5, and fig. 7, a liquid inlet pipe 19 is fixedly connected to the upper side of the mixing chamber 1, and a liquid inlet hopper 20 is fixedly installed on the top of the liquid inlet pipe 19.

In the embodiment of the present disclosure, by providing the liquid inlet pipe 19 and the liquid inlet hopper 20, it is convenient to add liquid into the mixing chamber 1 during the stirring operation of the stirring device 4.

This device is when carrying out the incomplete detection of farming, will wait to detect raw materials liquid and graphite alkene solid phase extraction liquid and add to mixing chamber 1, peg graft on first backup pad 2 with agitating unit 4, starter motor 13, motor 13 drives second pivot 10 and rotates, second gear 12 in the second pivot 10 is through meshing with first gear 11, make first gear 11 drive first pivot 9 and rotate, first pivot 9, second pivot 10 drives first puddler 14, second puddler 15 rotates in mixing chamber 1, carry out intensive mixing to the liquid in mixing chamber 1, mix abundant back, place the test tube in 18 departments of liquid outlet, open switch valve 17 and make the waiting to detect liquid inflow test tube after finishing mixing, alright detect with the liquid to in the test tube in order to carry out the incomplete detection of farming.

After the pesticide residue is detected to be finished, the stirring device 4 is pulled out, and the mixing cavity 1 and the stirring device 4 are fully cleaned for next pesticide residue detection.

In the present invention, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance: the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. Throughout this specification, the schematic representations of the terms used above do not necessarily refer to the same implementation or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the present invention, the terms "upper", "lower", "left", "right", "middle", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a incomplete detection device of farming based on graphite alkene solid-phase extraction which characterized in that includes: a mixing chamber (1), a conical structure (16) is fixedly mounted at the bottom of the mixing chamber (1), a liquid outlet (18) is fixedly connected at the bottom of the conical structure (16), a switch valve (17) is arranged at the position of the liquid outlet (18), the mixing chamber (1) is fixedly mounted on a second support plate (5), a first support column (3) is fixedly mounted on the second support plate (5), a first support plate (2) is fixedly mounted at the top of the first support column (3), a stirring device (4) is in plug-in fit with the first support plate (2), a stirring structure top cover (8) is fixedly mounted at the upper part of the stirring device (4), a motor (13) is fixedly mounted at the top of the stirring structure top cover (8), a rotating shaft of the motor (13) is fixedly connected with a second rotating shaft (10), a second gear (12) is fixedly mounted at the inner side of the stirring structure top cover (8) on the second rotating shaft (10), the second gear (12) is meshed with the first gear (11), the first gear (11) is fixedly arranged on the first rotating shaft (9), a first stirring rod (14) is arranged at the lower part of the first rotating shaft (9), and a second stirring rod (15) is arranged at the lower part of the second rotating shaft (10);

the first rotating shaft (9) and the second rotating shaft (10) are rotatably connected with the top cover (8) of the stirring structure;

the bottom of the second supporting plate (5) is fixedly provided with a second supporting column (6), and the bottom of the second supporting column (6) is fixedly connected with the bottom plate (7).

2. The pesticide residue detection device based on graphene solid-phase extraction as claimed in claim 1, wherein: fixed mounting has reference column (201) on first backup pad (2), is equipped with reference column hole (401) on agitating unit (4), reference column (201) with reference column hole (401) are pegged graft and are cooperated.

3. The pesticide residue detection device based on graphene solid-phase extraction as claimed in claim 2, wherein: and a test tube rack sliding groove (701) is arranged on the bottom plate (7).

4. The pesticide residue detection device based on graphene solid-phase extraction as claimed in claim 3, wherein: the test tube rack is characterized in that a test tube rack (21) is arranged at the position of the test tube rack sliding groove (701), a test tube rack sliding rail (2101) is arranged at the bottom of the test tube rack (21), and the test tube rack sliding rail (2101) is in sliding fit with the test tube rack sliding groove (701).

5. The pesticide residue detection device based on graphene solid-phase extraction as claimed in claim 4, wherein: the first stirring rod (14) and the second stirring rod (15) do not interfere with each other.

6. The pesticide residue detection device based on graphene solid-phase extraction as claimed in claim 5, wherein: mixing chamber (1) upside fixedly connected with feed liquor pipe (19), feed liquor pipe (19) top fixed mounting has into liquid fill (20).

7. The pesticide residue detection device based on graphene solid-phase extraction as claimed in claim 6, wherein: the motor (13) is fixedly connected with the top cover (8) of the stirring structure through a motor fixing plate (22).