Extraction device for detection

Abstract

The utility model discloses an extraction device for detection, which comprises a base, the upper end of the base is rotatably connected with a bottom plate, the upper end of the bottom plate is fixedly connected with a test tube rack, the rear end of the upper side of the base is fixedly connected with a side frame, the top end of the side frame is fixedly connected with a mixing barrel, and the top end of the mixing barrel is provided with a barrel cover. A rotating shaft is rotatably connected to the center of the inner side of the barrel cover, a fixing block is fixedly connected to the inner side of the barrel cover, a plurality of nozzles are arranged on the outer side of the fixing block, a filter cone is arranged below the mixing barrel, and a filter screen is inserted into the upper end of the filter cone. According to the device disclosed by the utility model, the bottom plate, the test tube rack, the rotating handle, the side frame, the mixing barrel, the barrel cover, the feeding pipe, the rotating shaft, the stirring rod, the scraping rod, the communicating pipe, the filter cone, the filter screen, the liquid discharging pipe, the fixed block, the spray head, the solution box, the pump body and the liquid conveying pipe are arranged, so that the device is conveniently subpackaged into a plurality of test tubes, the filter screen is conveniently taken out for cleaning, and the mixing barrel is timely flushed.

Description

Technical Field

[0001] The utility model relates to the technical field of extraction devices for detection, and particularly relates to an extraction device for detection. Background Art

[0002] The indicators of food inspection mainly include the analysis of general components of food, trace element analysis, pesticide residue analysis, veterinary drug residue analysis, mycotoxin analysis, food additive analysis, and the analysis of other harmful substances, etc. If the sample is solid food, it is necessary to first cut or grind the sample into fine powder, take a certain amount of the sample and mix it with an appropriate amount of sterile physiological saline or buffer solution, use a stirrer to make the sample evenly mixed, extract to obtain a sample treatment solution, then pour a certain amount of the sample treatment solution into multiple sample tubes and add the corresponding detection solution and shake well, and finally place it in a detection instrument for detection.

[0003] Chinese patent with the patent publication number of CN212568156U discloses a liquid filtration and extraction device for food detection, belonging to the technical field of food detection, including a mounting rack. A crushing and extrusion assembly is arranged at the upper end of the mounting rack. The crushing and extrusion assembly includes a crushing chamber, crushing rollers, an extrusion chamber, extrusion blocks, and electric push rods. Among them, an extrusion chamber is arranged at the upper end of the mounting rack, an extrusion block is arranged on one side of the extrusion chamber, an electric push rod is arranged on the side of the extrusion block away from the extrusion chamber, a crushing chamber is arranged at the upper end of the extrusion chamber, and crushing rollers are symmetrically arranged inside the crushing chamber; by setting the crushing and extrusion assembly, the extrusion effect is ensured, human and material resources are saved, the difficulty of liquid extraction is reduced, the detection cost is saved, the detection quality is ensured, the work efficiency is improved, and by setting the filtration and impurity removal assembly, the quality of liquid collection is improved, the accuracy of detection results is ensured, the work effect is improved, and data errors are reduced.

[0004] The existing extraction devices for detection have problems such as being inconvenient to be divided into multiple test tubes for subsequent multiple detection items, unable to be rinsed in time, and the filter screen being inconvenient to take out for cleaning. In order to overcome these disadvantages, the utility model provides an extraction device for detection. Content of the Utility Model

[0005] The purpose of the utility model is to solve the defects existing in the prior art, and to provide an extraction device for detection.

[0006] To achieve the above object, the present utility model adopts the following technical solutions: An extraction device for detection, comprising a base, the upper end of the base is rotatably connected to a bottom plate, the upper end of the bottom plate is fixedly connected to a test tube rack, the rear end of the upper side of the base is fixedly connected to a side frame, the top end of the side frame is fixedly connected to a mixing barrel, the top end of the mixing barrel is provided with a barrel cover, the central part inside the barrel cover is rotatably connected to a rotating shaft, the lower end of the rotating shaft is fixedly connected to a stirring rod, the bottom end of the rotating shaft is located below the stirring rod and fixedly connected to a scraping rod, the inside of the barrel cover is fixedly connected to a fixing block, several spray heads are arranged on the outer side of the fixing block, a communicating pipe is arranged through the bottom of the mixing barrel, one end of the communicating pipe extends downward through the top wall of the side frame, a filter funnel is arranged below the communicating pipe, a filter screen is inserted at the upper end of the filter funnel, and a drain pipe is arranged through the bottom of the filter funnel.

[0007] Further, a valve is arranged at one end of the communicating pipe, the test tube rack is of a ring structure, several test tubes are arranged inside the test tube rack, the position of the drain pipe corresponds to the test tube rack, and a turning handle is fixedly connected to the outer side of the bottom plate.

[0008] Further, the inside of the fixing block is of a hollow structure, one ends of the spray heads are all communicated with the inside of the fixing block, a solution tank is arranged at the rear side of the side frame, a pump body is fixedly connected to the upper end of the solution tank, the input end of the pump body penetrates and communicates with the inside of the solution tank, the output end of the pump body is fixedly connected to an infusion pipe, and the other end of the infusion pipe penetrates the barrel cover and communicates with the inside of the fixing block.

[0009] Further, a driving motor is fixedly connected to the top end of the barrel cover, and the output end of the driving motor penetrates the barrel cover and is fixedly connected to one end of the rotating shaft.

[0010] Further, a feeding pipe is arranged through the upper end of the barrel cover, and a sealing cover is arranged at the port of the feeding pipe.

[0011] Further, a chute is opened at the front side of the upper end of the side frame, one end of the chute is slidably connected to a connecting frame, a screw rod is rotatably connected inside the chute, one end of the screw rod is threadedly connected to the connecting frame, one end of the connecting frame is fixedly connected to the filter funnel, a turning knob is rotatably connected to the side of the side frame at the corresponding position of the screw rod, and one end of the screw rod penetrates the side wall of the side frame and is fixedly connected to the turning knob.

[0012] The beneficial effects of the present utility model:

[0013] When the present utility model is in use, the extraction device for detection has the following advantages:

[0014] 1. In this solution, by providing a bottom plate, a test tube rack, test tubes, a turning handle, a side frame, a mixing barrel, a barrel cover, a feeding pipe, a rotating shaft, a stirring rod, a scraping rod, a connecting pipe, a valve, a filter hopper, a filter screen, a liquid discharge pipe, a connecting frame, a sliding groove, a screw rod, and a turning knob, the sample material to be tested and the buffer solution are added into the mixing barrel through the feeding pipe. The driving motor operates to drive the rotating shaft to rotate, and then drives the stirring rod to stir and mix the sample material and the buffer solution to extract the mixed solution. Subsequently, the valve is opened, and the mixed solution is discharged through the connecting pipe to the filter hopper below. After being filtered by the filter screen and finally added to each test tube arranged in the test tube rack by rotating the bottom plate, it is convenient for subsequent multiple detection items. Manually rotate the turning knob to drive the screw rod to rotate, thereby driving the connecting frame and the filter hopper to move to one end, facilitating the removal of the filter screen for replacement and cleaning.

[0015] 2. In this solution, by providing a fixing block, a spray head, a solution tank, a pump body, and an infusion pipe, after extraction, the pump body operates to add the cleaning agent in the solution tank into the fixing block through the infusion pipe, and finally sprays it into the mixing barrel through the spray head, facilitating timely flushing. The sewage is discharged through the connecting pipe and received by a corresponding recycling bucket. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the present invention, the drawings required for use in the following description of the specific embodiments will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0017] Figure 1 : Schematic diagram of the overall structure of the present invention;

[0018] Figure 2 : Schematic sectional view of the mixing barrel of the present invention;

[0019] Figure 3 : Side view of the present invention;

[0020] Figure 4 : Schematic diagram of the filter screen structure of the present invention;

[0021] Figure 5 : Of the present invention Figure 1 Enlarged view of part A in

[0022] The reference numerals are as follows:

[0023] 1. Base; 2. Bottom plate; 3. Test tube rack; 4. Test tube; 5. Rotary handle; 6. Side frame; 7. Mixing barrel; 8. Barrel cover; 9. Feeding pipe; 10. Rotating shaft; 11. Stirring rod; 12. Scraping rod; 13. Driving motor; 14. Fixed block; 15. Sprayer; 16. Solution tank; 17. Pump body; 18. Infusion tube; 19. Connecting pipe; 20. Valve; 21. Filter hopper; 22. Filter screen; 23. Drain pipe; 24. Connecting frame; 25. Slide groove; 26. Screw; 27. Knob. Detailed implementation manner

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] As Figures 1-5 shown, it relates to an extraction device for detection, including a base 1. The upper end of the base 1 is rotatably connected to a bottom plate 2. The upper end of the bottom plate 2 is fixedly connected to a test tube rack 3. The rear end on the upper side of the base 1 is fixedly connected to a side frame 6. The top end of the side frame 6 is fixedly connected to a mixing barrel 7. The top end of the mixing barrel 7 is provided with a barrel cover 8. The central part inside the barrel cover 8 is rotatably connected to a rotating shaft 10. The lower end of the rotating shaft 10 is fixedly connected to a stirring rod 11. The bottom end of the rotating shaft 10 is fixedly connected to a scraping rod 12 below the stirring rod 11. The scraping rod 12 is in contact with the inner wall of the bottom end of the mixing barrel 7, which is convenient for scraping off precipitates. A fixed block 14 is fixedly connected to the inside of the barrel cover 8. A plurality of sprayers 15 are arranged on the outside of the fixed block 14. A connecting pipe 19 is vertically provided through the bottom of the mixing barrel 7. One end of the connecting pipe 19 extends downward through the top wall of the side frame 6. A filter hopper 21 is arranged below the connecting pipe 19. A filter screen 22 is inserted into the upper end of the filter hopper 21. A drain pipe 23 is vertically provided through the bottom of the filter hopper 21. A control valve is arranged at one end of the drain pipe 23.

[0026] As Figures 1-5 shown, a valve 20 is arranged at one end of the connecting pipe 19. The test tube rack 3 is of a ring structure. A plurality of test tubes 4 are arranged inside the test tube rack 3. The position of the drain pipe 23 corresponds to the test tube rack 3. A rotary handle 5 is fixedly connected to the outside of the bottom plate 2. By rotating the bottom plate 2, the extracted mixed liquid can be sequentially added to each test tube 4, which is convenient for subsequent multiple detections.

[0027] As Figures 1-5As shown, the inside of the fixed block 14 is a hollow structure. One end of each nozzle 15 is connected to the inside of the fixed block 14. A solution tank 16 is provided at the rear side of the side frame 6. A cleaning agent is stored in the solution tank 16. A pump body 17 is fixedly connected to the upper end of the solution tank 16. The input end of the pump body 17 penetrates and communicates with the inside of the solution tank 16. The output end of the pump body 17 is fixedly connected to an infusion tube 18. The other end of the infusion tube 18 penetrates the bucket lid 8 and communicates with the inside of the fixed block 14.

[0028] As Figures 1-5 shown, a driving motor 13 is fixedly connected to the top end of the bucket lid 8. The output end of the driving motor 13 penetrates the bucket lid 8 and is fixedly connected to one end of a rotating shaft 10. Start the driving motor 13 to drive the rotating shaft 10 to rotate, and then drive the stirring rod 11 to stir and mix the sample material and the buffer solution.

[0029] As Figures 1-5 shown, a feeding tube 9 is provided through the upper end of the bucket lid 8. A sealing cover is provided at the port of the feeding tube 9, which is convenient for adding the buffer solution and the sample.

[0030] As Figures 1-5 shown, a chute 25 is opened at the front side of the upper end of the side frame 6. One end of a connecting frame 24 is slidably connected to one end of the chute 25. A screw rod 26 is rotatably connected in the chute 25. One end of the screw rod 26 is threadedly connected to the connecting frame 24. One end of the connecting frame 24 is fixedly connected to a filter hopper 21. A turning knob 27 is rotatably connected to the side of the side frame 6 at the corresponding position of the screw rod 26. One end of the screw rod 26 penetrates the side wall of the side frame 6 and is fixedly connected to the turning knob 27. Manually rotate the turning knob 27 to drive the screw rod 26 to rotate, and then drive the connecting frame 24 and the filter hopper 21 to move to one end, which is convenient for taking out the filter screen 22 for replacement and cleaning.

[0031] Working principle: When in use, add the sample material to be detected and the buffer solution into the mixing bucket 7 through the feeding tube 9. Start the driving motor 13 to drive the rotating shaft 10 to rotate, and then drive the stirring rod 11 to stir and mix the sample material and the buffer solution. Then open the valve 20 to discharge the mixed liquid through the connecting pipe 19 to the filter hopper 21 below. After being filtered by the filter screen 22, it is finally added to each test tube 4 arranged in the test tube rack 3. After extraction, manually rotate the turning knob 27 to drive the screw rod 26 to rotate, and then drive the connecting frame 24 and the filter hopper 21 to move to one end. The filter screen 22 can be taken out for replacement and cleaning. Start the pump body 17 to add the cleaning agent in the solution tank 16 into the fixed block 14 through the infusion tube 18, and finally spray it into the mixing bucket 7 through the nozzle 15 for timely flushing. The sewage is discharged through the connecting pipe 19 and received by a corresponding recovery bucket.

[0032] The preferred embodiments of the present utility model disclosed above are only used to help illustrate the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to only the specific implementation manners. Obviously, according to the content of this specification, many modifications and variations can be made. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present utility model, so that those skilled in the relevant technical field can well understand and utilize the present utility model. The present utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A detection extraction device, comprising a base (1), characterized in that: The upper end of the base (1) is rotatably connected to a bottom plate (2), the upper end of the bottom plate (2) is fixedly connected to a test tube rack (3), the upper rear end of the base (1) is fixedly connected to a side frame (6), the top end of the side frame (6) is fixedly connected to a mixing barrel (7), the top end of the mixing barrel (7) is provided with a barrel cover (8), the inner center of the barrel cover (8) is rotatably connected to a rotating shaft (10), the lower end of the rotating shaft (10) is fixedly connected to a stirring rod (11), and the bottom end of the rotating shaft (10) is located below the stirring rod (11). A scraper (12) is fixedly connected to the side of the mixing barrel (7); a fixing block (14) is fixedly connected to the inner side of the barrel cover (8); a plurality of nozzles (15) are arranged on the outer side of the fixing block (14); a connecting pipe (19) is arranged through the bottom of the mixing barrel (7); one end of the connecting pipe (19) passes through the top wall of the side frame (6) and extends to the bottom; a filter bucket (21) is arranged below the connecting pipe (19); a filter screen (22) is inserted at the upper end of the filter bucket (21); and a drainage pipe (23) is arranged through the bottom of the filter bucket (21).

2. A detection extraction device according to claim 1, characterized in that: A valve (20) is provided at one end of the connecting pipe (19); the test tube rack (3) is an annular structure; a plurality of test tubes (4) are arranged in the test tube rack (3); the position of the drain pipe (23) corresponds to the test tube rack (3); and a turning handle (5) is fixedly connected to the outer side of the bottom plate (2).

3. A detection extraction device according to claim 1, characterized in that: The interior of the fixed block (14) is a hollow structure, one end of each of the nozzles (15) is connected to the interior of the fixed block (14), a solution tank (16) is provided on the rear side of the side frame (6), the upper end of the solution tank (16) is fixedly connected to a pump body (17), the input end of the pump body (17) passes through and is connected to the interior of the solution tank (16), the output end of the pump body (17) is fixedly connected to an infusion tube (18), the other end of the infusion tube (18) passes through the barrel cover (8) and is connected to the interior of the fixed block (14).

4. The detection extraction device according to claim 1, characterized in that: The top end of the barrel cover (8) is fixedly connected to a driving motor (13), and the output end of the driving motor (13) passes through the barrel cover (8) and is fixedly connected to one end of the rotating shaft (10).

5. The detection extraction device according to claim 1, characterized in that: A feed pipe (9) is provided through the upper end of the barrel cover (8), and a sealing cover is provided at the end of the feed pipe (9).

6. The detection extraction device according to claim 1, characterized in that: A slide groove (25) is provided on the front side of the upper end of the side frame (6), one end of the slide groove (25) is slidably connected to a connecting frame (24), a screw rod (26) is rotatably connected in the slide groove (25), one end of the screw rod (26) is threadedly connected to the connecting frame (24), one end of the connecting frame (24) is fixedly connected to the filter bucket (21), and a rotating knob (27) is rotatably connected to a position corresponding to the screw rod (26) on one side of the side frame (6), and one end of the screw rod (26) penetrates the side wall of the side frame (6) and is fixedly connected to the rotating knob (27).

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