CN210981965U

CN210981965U - Pretreatment device for detecting pesticide residues in plant food

Info

Publication number: CN210981965U
Application number: CN201921920058.2U
Authority: CN
Inventors: 赵丽; 师真; 李文廷; 张瑞雨; 梁志坚
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-07-10
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a processing apparatus before pesticide residue detects in plant nature food, through the inside rubber pad of recess, place the sample bottle, stretch into or pull out the sample bottle through electric push rod control bull stick, setting through the brush, scrub sample bottle inside, use glass funnel to add 1.5-2.0 ml's sample extract and the purifying liquid that has proportioned to the sample bottle after waiting sample bottle to wash the completion afterwards, through spout position slider and telescopic cooperation, make the sleeve can insert the outside of bull stick, stir the inside solution of sample bottle through the stirring leaf, can detect after filtering the mixed solution after the reaction with 0.45um organic phase filter membrane at last, the device can be as required, use the purifying agent of different proportions to purify the sample extract, and easy operation, very big saving manpower and reagent, simultaneously great improvement the efficiency that detects, Accuracy and precision.

Description

Pretreatment device for detecting pesticide residues in plant food

Technical Field

The utility model relates to a pesticide detects technical field, and concrete field is a processing apparatus before pesticide residue detects in plant nature food.

Background

With the continuous development and progress of biochemical science and technology, the pesticide has been widely applied to agricultural production for a long time, plays a significant role in preventing and controlling diseases, pests, weeds, rats and the like, and ensures and promotes the development of agriculture. However, if the pesticide is not scientifically and reasonably used, the pollution to agricultural products and environment can be caused. With the development of social economy and the continuous improvement of living standard of people, people pay more and more attention to the safety and sanitation of food, and the problem of pesticide residue is paid more and more attention. The existing pesticide residue detection mode mainly comprises the steps of firstly adopting an extraction solvent to extract pesticide remained on the surface of a sample, and then adopting a pesticide residue detector to detect the extraction solvent. However, in the method of extracting the residual pesticide by using the extraction solvent alone, too many other substances except the residual pesticide are mixed, which greatly affects the accuracy of the detection result, so that the purification solution needs to be added into the extraction solution to remove the other substances before the detection, and the existing purification solution adding process needs a large amount of reagents and also needs a large amount of manpower to cooperate, thereby resulting in low pesticide residue detection efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a processing apparatus before pesticide residue detects in plant nature food 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: a pre-detection treatment device for pesticide residues in plant food comprises a base, wherein an operation table is fixedly connected to the upper surface of the base, a groove is formed in the upper surface of the operation table, a rubber pad is fixedly assembled on the inner wall of the groove, a sample bottle is arranged on the inner side of the rubber pad, a support rod is fixedly connected to the upper surface of the base and is positioned on the rear side of the operation table, a fixed block is fixedly connected to the top end of the support rod, an electric push rod is fixedly connected to the lower surface of the fixed block, a motor is fixedly connected to the bottom end of the electric push rod, a rotating rod is fixedly connected to the output end of the motor, a brush is fixedly assembled on the outer wall of the rotating rod, a plurality of water through holes are formed in the outer wall of the rotating rod, cavities are formed in the rotating rod, each water through hole is, the outer wall of bull stick is equipped with the spout, the inside slip joint of spout has the slider, the one end fixed connection sleeve of slider, telescopic inner wall is fixed to be equipped with the joint ring, the outer wall of bull stick is fixed to be equipped with the rubber ring, the rubber ring is connected with joint ring joint, telescopic outer wall is fixed to be equipped with the stirring leaf.

Preferably, the bottom of recess inner chamber is equipped with the through-hole, the inside fixedly connected with tuber pipe of through-hole, the one end of tuber pipe and the output fixed connection of fan, fan fixed connection is on the lateral wall of operation panel, the inside of operation panel is equipped with the drain pipe, the one end of drain pipe extends to the inside of recess, the other end of drain pipe extends to the outside of operation panel.

Preferably, the water pipe is fixedly connected with the outer wall of the motor.

Preferably, the upper surface of the operating platform is provided with a controller, and the controller is electrically connected with the electric push rod, the motor and the fan respectively.

Compared with the prior art, the beneficial effects of the utility model are that: a pre-processing device for detecting pesticide residue in plant food increases friction force between a sample bottle and the inner wall of a groove through a rubber pad inside the groove, so that the sample bottle is more stably placed, an electric push rod is suspended right above the sample bottle through the matching of a supporting rod and a fixed block, a rotating rod is controlled by the electric push rod to stretch into or pull out the sample bottle, the rotating rod is driven by a motor to rotate, when the rotating rod rotates inside the sample bottle, the inside of the sample bottle can be scrubbed through a brush, water can pass through the cavity and a water pipe through the connection of a water through hole, the water pipe can pass through the cavity and is discharged into the sample bottle through the water through hole, so that the scrubbing effect is increased, after the sample bottle is cleaned, 1.5-2.0ml of sample extracting solution and proportioned purifying liquid are added into the sample bottle through a glass funnel, and a track is provided for a sliding block through a sliding chute, through slider and telescopic cooperation, make the sleeve can insert the outside of bull stick, and make the sleeve rotate along with the rotation of bull stick, through the rubber ring, with the joint of joint ring, prevent the outside landing of sleeve from the bull stick, stir the inside solution of sample bottle through the stirring leaf, can detect after filtering the mixed solution after will reacting with 0.45um organic phase filter membrane at last, the device both can use the decontaminating agent of different proportions to purify the sample extract as required, and easy operation, very big saving manpower and reagent, simultaneously great improvement the efficiency of detection, the degree of accuracy and precision.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the top view structure of the present invention

Fig. 4 is a schematic view of the connection structure between the rotating rod and the sleeve in the present invention.

In the figure: 1-base, 2-operation table, 3-groove, 4-rubber pad, 5-support bar, 6-fixed block, 7-electric push rod, 8-motor, 9-rotating rod, 10-brush, 11-water hole, 12-cavity, 13-water pipe, 14-through hole, 15-air pipe, 16-blower, 17-water discharge pipe, 18-slide groove, 19-slide block, 20-sleeve, 21-clamping ring, 22-rubber ring, 23-stirring blade, 24-controller, 25-sample bottle.

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. 1-4, the present invention provides a technical solution: a pre-detection treatment device for pesticide residues in plant food comprises a base 1, wherein an operation table 2 is fixedly connected to the upper surface of the base 1, a groove 3 is formed in the upper surface of the operation table 2, a rubber pad 4 is fixedly assembled on the inner wall of the groove 3, a sample bottle 25 is arranged on the inner side of the rubber pad 4, a support rod 5 is fixedly connected to the upper surface of the base 1, the support rod 5 is located on the rear side of the operation table 2, a fixed block 6 is fixedly connected to the top end of the support rod 5, an electric push rod 7 is fixedly connected to the lower surface of the fixed block 6, a motor 8 is fixedly connected to the bottom end of the electric push rod 7, a rotating rod 9 is fixedly connected to the output end of the motor 8, a brush 10 is fixedly assembled on the outer wall of the rotating rod 9, a plurality of water through holes 11 are formed in the outer wall of the rotating rod 9, a cavity, the cavity 12 rotates with water pipe 13 to be connected, the external tap of water pipe 13, whether open tap and decide to lead to water by whether, the outer wall of bull stick 9 is equipped with spout 18, the inside slip joint of spout 18 has slider 19, the one end fixed connection sleeve 20 of slider 19, the fixed joint ring 21 that is equipped with of inner wall of sleeve 20, the fixed rubber ring 22 that is equipped with of outer wall of bull stick 9, rubber ring 22 is connected with joint ring 21 joint, overlaps at the bull stick 9 outside when being located sleeve 20 and is, because rubber ring 22 is soft material, will warp and pass through joint ring 21 for rubber ring 22 is in the upside of joint ring 21, thereby reachs the purpose of blocking sleeve 20, the fixed stirring leaf 23 that is equipped with of outer wall of sleeve 20.

The base 1 provides a foundation, the sample bottle 25 can be placed through the matching of the operating platform 2 and the groove 3, the friction force between the sample bottle 25 and the inner wall of the groove 3 is increased through the rubber pad 4 in the groove 3, so that the placement of the sample bottle 25 is more stable, the electric push rod 7 is suspended right above the sample bottle 25 through the matching of the support rod 5 and the fixed block 6, the rotating rod 9 is controlled to extend into or pull out the sample bottle 25 through the electric push rod 7, the rotating rod 9 is driven to rotate through the motor 8, through the arrangement of the brush 10, when the rotating rod 9 rotates in the sample bottle 25, the interior of the sample bottle 25 can be scrubbed, through the connection of the water through hole 11, the cavity 12 and the water pipe 13, the water pipe 13 can communicate water to the interior of the cavity 12 and is discharged into the sample bottle 25 through the water through hole 11, so that the scrubbing effect is increased, a track is provided for the sliding block 19 through the sliding groove 18, through, so that sleeve 20 can insert the outside of bull stick 9 to make sleeve 20 can rotate along with the rotation of bull stick 9, through the joint of rubber ring 22 and joint ring 21, prevent sleeve 20 from the outside landing of bull stick 9, stir the solution inside sample bottle 25 through stirring leaf 23.

Particularly, the bottom of the inner cavity of the groove 3 is provided with a through hole 14, the inside fixedly connected with air pipe 15 of the through hole 14, one end of the air pipe 15 is fixedly connected with the output end of the fan 16, the fan 16 is fixedly connected onto the side wall of the operating platform 2, the inside of the operating platform 2 is provided with a drain pipe 17, one end of the drain pipe 17 extends to the inside of the groove 3, and the other end of the drain pipe 17 extends to the outside of the operating platform 2.

Through being connected of fan 16 and tuber pipe 15, when fan 16 starts, to the inside ventilation of tuber pipe 15, cooperation through tuber pipe 15 and through-hole 14, through-hole 14 runs through operation panel 2, make the blast air of fan 16 can blow into the inside of recess 3, invert sample bottle 25 manually this moment inside recess 3, can dry sample bottle 25 inside fast, reduce the time of accuse dry sample bottle 25 through the stoving to sample bottle 25 inside, shorten the time of experiment, improve experiment speed, be linked together recess 3 inside and external through drain pipe 17, make the water in the sample bottle 25 can circulate to the external world, make sample bottle 25's stoving effect better.

Specifically, the water pipe 13 is fixedly connected with the outer wall of the motor 8.

By fixing the water pipe 13 to the outer wall of the motor 8, the water pipe 13 can be stably fixed.

Particularly, the upper surface of operation panel 2 is equipped with controller 24, controller 24 is connected with electric push rod 7,

motor

8 and 16 automatically controlled of fan respectively, the utility model discloses an above-mentioned 24 programming software of controller and automatically controlled mode of connection are prior art.

The controller 24 is electrically connected with the electric push rod 7, the motor 8 and the fan 16, and can control the extension and contraction of the electric push rod 7, the switch of the motor 8 and the switch of the fan 16.

The working principle is as follows: when the device is used, the sample bottle 25 is placed in the groove 3, the friction force between the sample bottle 25 and the inner wall of the groove 3 is increased through the rubber pad 4 in the groove 3, so that the placement of the sample bottle 25 is more stable, then the electric push rod 7 is controlled to fall, the rotating rod 9 is inserted into the sample bottle 25, then the motor 8 is started to rotate, water is injected into the water pipe 13, at the moment, the rotating rod 9 is driven to rotate through the motor 8, through the arrangement of the brush 10, when the rotating rod 9 rotates in the sample bottle 25, the interior of the sample bottle 25 can be scrubbed, through the connection of the water through hole 11, the cavity 12 and the water pipe 13, the water pipe 13 can pass through the cavity 12 and is discharged into the sample bottle 25 through the water through hole 11, so that the scrubbing effect is increased, after the sample bottle 25 is cleaned, the electric push rod 7 is lifted, then the water in the sample bottle 25 is controlled to be dry, and then 1.5-2.0ml of sample extracting solution and the proportioned purifying solution are added into, and finally, aligning the sliding block 19 to the sliding groove 18 to sleeve the sleeve 20 outside the rotating rod 9, controlling the electric push rod 7 to fall again, inserting the sleeve 20 into the sample bottle 25, starting the motor 8 to rotate, stirring and fully reacting the mixed solution in the sample bottle 25 through the stirring blade 23, and finally filtering the reacted mixed solution by using a 0.45um organic phase filter membrane to detect.

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

1. The utility model provides a processing apparatus before pesticide residue detects in plant nature food, includes base (1), its characterized in that: the upper surface of the base (1) is fixedly connected with an operation table (2), the upper surface of the operation table (2) is provided with a groove (3), the inner wall of the groove (3) is fixedly provided with a rubber pad (4), the inner side of the rubber pad (4) is provided with a sample bottle (25), the upper surface of the base (1) is fixedly connected with a support rod (5), the support rod (5) is positioned at the rear side of the operation table (2), the top end of the support rod (5) is fixedly connected with a fixed block (6), the lower surface of the fixed block (6) is fixedly connected with an electric push rod (7), the bottom end of the electric push rod (7) is fixedly connected with a motor (8), the output end of the motor (8) is fixedly connected with a rotating rod (9), the outer wall of the rotating rod (9) is fixedly provided with a brush (10), and the outer wall of the rotating, the inside of bull stick (9) is equipped with cavity (12), every limbers (11) are all cavity (12) are linked together, cavity (12) rotate with water pipe (13) and are connected, water pipe (13) external tap, the outer wall of bull stick (9) is equipped with spout (18), the inside slip joint of spout (18) has slider (19), the one end fixed connection sleeve (20) of slider (19), the inner wall fixed mounting of sleeve (20) has joint ring (21), the outer wall fixed mounting of bull stick (9) has rubber ring (22), rubber ring (22) are connected with joint ring (21) joint, the outer wall fixed mounting of sleeve (20) has stirring leaf (23).

2. The pretreatment device for detecting pesticide residues in plant food according to claim 1, characterized in that: the bottom of recess (3) inner chamber is equipped with through-hole (14), the inside fixedly connected with tuber pipe (15) of through-hole (14), the one end of tuber pipe (15) and the output fixed connection of fan (16), fan (16) fixed connection is on the lateral wall of operation panel (2), the inside of operation panel (2) is equipped with drain pipe (17), the one end of drain pipe (17) extends to the inside of recess (3), the other end of drain pipe (17) extends to the outside of operation panel (2).

3. The pretreatment device for detecting pesticide residues in plant food according to claim 1, characterized in that: the water pipe (13) is fixedly connected with the outer wall of the motor (8).

4. The pretreatment device for detecting pesticide residues in plant food according to claim 2, characterized in that: the upper surface of operation panel (2) is equipped with controller (24), controller (24) are connected with electric putter (7), motor (8) and fan (16) automatically controlled respectively.