Food detection sample preparation device

Abstract

The utility model provides a food detection sample preparation device, which relates to the technical field of food detection and comprises a mounting rack, the top of the mounting rack is fixedly connected with a first motor, and the output end of the first motor rotatably penetrates through the top of the mounting rack. During use, the output end of the first motor drives the threaded rod to rotate correspondingly, the movable block can drive the shielding block to abut against the top of the containing cylinder through the connecting column, the shielding effect is achieved, and under driving of the second motor, the multiple stirring rods and the multiple blades can smash and stir food and reagent materials, so that the food and reagent materials are stirred uniformly, and the food and reagent materials are stirred uniformly. The liquid or crushed food detection sample is prepared, through the lifting effect of the moving block and the matched use of the stirring assembly, various large fixed or fluid foods can be stirred and sample-prepared in the placing barrel, the situation that only liquid or small-particle foods can be sample-prepared is avoided, and the sample-preparation efficiency is improved. And the sample preparation range of the food detection sample preparation device is expanded.

Description

Technical Field

[0001] The utility model relates to the technical field of food detection, in particular to a food detection sample preparation device. Background Art

[0002] Food safety testing refers to the detection of harmful substances in food according to national indicators, mainly the detection of some harmful and toxic indicators, such as heavy metals and aflatoxin.

[0003] In the prior art, such as Chinese patent CN215218266U, a sample preparation device for food testing includes a device body, a plurality of cylindrical and vertical placement grooves are evenly arranged inside the device body, a sample tube slidably connected to the device body is arranged inside the placement groove, a pipe plug fixedly connected to the sample tube is arranged at the top opening of the sample tube, a mounting block is embedded in the upper part of the pipe plug, a rotating rod fixedly connected to the mounting block is arranged at the bottom of the mounting block, the rotating rod passes through the pipe plug and is rotatably connected to the pipe plug, a plurality of mounting grooves are evenly arranged on the rotating rod, a stirring rod is arranged inside the mounting groove, the upper end of the stirring rod is rotatably connected to the rotating rod, and the rotating rod and the mounting block are provided with an inlet and outlet. Compared with the traditional sample preparation method, the device can ensure that the food and reagent are kept isolated from the outside world when mixing, thereby avoiding sample splashing and contamination by the external environment.

[0004] In the above patent, a rotating rod is arranged in the sample test tube, and food and materials enter the test tube through the channel inside the rotating rod, and are driven by an external rotating tubular magnet to achieve stirring inside the test tube, thereby avoiding splashing during the stirring process and protecting the sample, and having a good sample preparation effect. However, food and reagent materials are added through the inlet and outlet at the top of the rotating rod, which is only suitable for the sampling of liquids and some foods with smaller particles, and cannot be used for sampling of larger solid foods, thereby reducing the sampling range of the food detection sample preparation device. Utility Model Content

[0005] The utility model aims to solve the problem in the prior art that food and reagent materials are added through the inlet and outlet on the top of the rotating rod, which is only applicable to the sample preparation of liquids and a part of foods with smaller particles, but cannot be used for the sample preparation of larger solid foods, thus reducing the sample preparation range of the food detection sample preparation device, and proposes a food detection sample preparation device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a food detection sample preparation device, comprising: a mounting frame, the top of the mounting frame is fixedly connected to a first motor, the output end of the first motor rotates and passes through the top of the mounting frame, the output end of the first motor is fixedly connected to a threaded rod, the outer surface of the threaded rod is threadedly rotatably connected to a moving block, and the bottom of the moving block is fixedly connected to a connecting column; a stirring assembly, the stirring assembly is fixedly connected to the bottom of the connecting column, the stirring assembly includes a placing cylinder and a connecting block; a storage assembly, the storage assembly is fixedly connected to the inner bottom surface of the mounting frame, and the storage assembly includes a fixed frame.

[0007] Preferably, the connecting block is fixedly connected to the bottom of the connecting column, a plurality of connecting rods are fixedly connected to the bottom of the connecting block at equal intervals, and a shielding block is fixedly connected to the bottom of each of the plurality of connecting rods.

[0008] Preferably, a second motor is fixedly connected to the top of the blocking block, and the output end of the second motor rotates through the top of the blocking block. The output end of the second motor is fixedly connected to a rotating rod, and the outer surface of the rotating rod is fixedly connected to a mounting block.

[0009] Preferably, a plurality of stirring rods are fixedly connected to the front surface and the rear surface of the mounting block at equal intervals, and a plurality of blades are arranged at equal intervals on the outer surfaces of both sides of the mounting block.

[0010] Preferably, a base is fixedly connected to the inner bottom surface of the mounting frame near the center, the placement tube is located in the top groove of the base, and the bottom of the placement tube and the top groove of the base are both polygonal.

[0011] Preferably, a fixing rod is fixedly connected between the inner surfaces of the mounting frame, and the outer surface of the fixing rod is slidably connected to the inner surface of the moving block.

[0012] Preferably, the fixing frame is fixedly connected to the inner bottom surface of the mounting frame near one side edge, a plurality of tubes are equidistantly arranged on the inner surface of the fixing frame, and a sealing cap is respectively threadedly connected to the outer surface of the plurality of tubes near the top side.

[0013] Preferably, a fixing column is provided on one side of the inner bottom surface of the mounting frame away from the fixing frame, and the inner surface of the fixing column is rotatably connected to the outer surface of the threaded rod.

[0014] Compared with the prior art, the advantages and positive effects of the utility model are:

[0015] 1. In the utility model, when in use, the output end of the first motor drives the threaded rod to rotate accordingly, so that the moving block drives the shielding block through the connecting column to contact the top of the placement tube, thereby playing a shielding role. Driven by the second motor, multiple stirring rods and multiple blades can crush and stir the food and reagent materials to make liquid or crushed food test samples. Through the lifting action of the moving block and the coordinated use of the stirring component, a variety of larger fixed body or fluid foods can be stirred and sampled in the placement tube, avoiding the sampling of only liquid or smaller particle foods, thereby improving the sample preparation range of the food detection sample preparation device.

[0016] 2. In the utility model, when in use, a plurality of tube bodies can be fixed by arranging a fixing frame on the inner bottom surface of the mounting frame, and the outer surfaces of the plurality of tube bodies are close to a plurality of sealing covers respectively threadedly connected to play a sealing role, and the sampled food can be loaded into the tube body for storage, which is convenient for personnel to classify and manage samples of different foods, thereby improving the storage effect of food testing and sample preparation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of a food testing and sample preparation device is provided for the utility model;

[0018] Figure 2 The utility model provides a schematic diagram of the structure of a stirring component of a food testing and sample preparation device;

[0019] Figure 3 The utility model provides a schematic diagram of the structure of a storage component of a food detection and sample preparation device;

[0020] Figure 4 The utility model provides a partial structural schematic diagram of a food detection sample preparation device.

[0021] Legend: 1. Mounting frame; 2. First motor; 3. Threaded rod; 4. Fixed rod; 5. Moving block; 6. Stirring assembly; 601. Placement cylinder; 602. Blocking block; 603. Connecting rod; 604. Connecting block; 605. Second motor; 606. Mounting block; 607. Stirring rod; 608. Blade; 609. Rotating rod; 7. Storage assembly; 701. Fixed frame; 702. Tube body; 703. Sealing cover; 8. Fixed column; 9. Base; 10. Connecting column. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0024] Embodiment 1, as Figure 1-Figure 4 As shown, the utility model provides a food detection sample preparation device, including: a mounting frame 1, the top of the mounting frame 1 is fixedly connected to a first motor 2, the output end of the first motor 2 rotates and passes through the top of the mounting frame 1, the output end of the first motor 2 is fixedly connected to a threaded rod 3, the outer surface of the threaded rod 3 is threadedly rotatably connected to a moving block 5, and the bottom of the moving block 5 is fixedly connected to a connecting column 10; a stirring component 6, the stirring component 6 is fixedly connected to the bottom of the connecting column 10, the stirring component 6 includes a placement cylinder 601 and a connecting block 604; a storage component 7, the storage component 7 is fixedly connected to the inner bottom surface of the mounting frame 1, the storage component 7 includes a fixed frame 701, the connecting block 604 is fixedly connected to the bottom of the connecting column 10, a plurality of connecting rods 603 are equidistantly fixedly connected to the bottom of the connecting block 604, the bottoms of the plurality of connecting rods 603 are all fixedly connected to a shielding block 602, and the top of the shielding block 602 is fixedly connected to The second motor 605, the output end of the second motor 605 rotates and passes through the top of the blocking block 602, the output end of the second motor 605 is fixedly connected to a rotating rod 609, the outer surface of the rotating rod 609 is fixedly connected to a mounting block 606, the front surface and the rear surface of the mounting block 606 are respectively and equidistantly fixedly connected with a plurality of stirring rods 607, the outer surfaces of both sides of the mounting block 606 are respectively and equidistantly arranged with a plurality of blades 608, the inner bottom surface of the mounting frame 1 is fixedly connected with a base 9 near the center, the placement cylinder 601 is located in the top groove of the base 9, the bottom of the placement cylinder 601 and the top groove of the base 9 are both polygonal, the inner surface of the mounting frame 1 is fixedly connected with a fixed rod 4, the outer surface of the fixed rod 4 is slidably connected to the inner surface of the moving block 5, a fixed column 8 is arranged on the side of the inner bottom surface of the mounting frame 1 away from the fixed frame 701, and the inner surface of the fixed column 8 is rotatably connected to the outer surface of the threaded rod 3.

[0025] The effect achieved by the entire embodiment 1 is that, when preparing samples for food testing, first, the food to be tested and the reagent raw materials of appropriate sizes are poured into the placement tube 601 in proportion. The bottom of the placement tube 601 is polygonal and can be limited in the top groove of the base 9. Then the first motor 2 is started, and the output end of the first motor 2 will rotate correspondingly in the inner surface wall of the mounting frame 1, so that the threaded rod 3 rotates correspondingly on the inner surface of the fixed column 8. The moving block 5 will slide back and forth along the outer surface of the fixed rod 4 under the threaded rotation connection of the threaded rod 3, and play a lifting effect. When the moving block 5 moves downward, it will drive the connecting block 604 to move downward accordingly through the connecting column 10, so that the blocking block 602 will contact the top of the placement tube 601 under the connection of multiple connecting rods 603. When the inner top surface of the shielding block 602 contacts the placement tube 601, its edge will fit closely with the outer surface of the placement tube 601 near the top side, playing a shielding role, and starting the second motor 605. The output end of the second motor 605 will drive the rotating rod 609 to rotate accordingly. The mounting block 606 arranged on its outer surface will drive multiple stirring rods 607 and multiple blades 608 to stir and crush the food to be tested, so that the tested food is formed into smaller particles or liquid, which is fully mixed with the reagent material to form a food detection sample. Through the lifting action of the moving block 5 and the coordinated use of the stirring component 6, a variety of larger fixed or fluid foods can be stirred and sampled in the placement tube 601, thereby improving the sample preparation range of the food detection sample preparation device.

[0026] Embodiment 2, as Figure 1-Figure 4 As shown, the fixing frame 701 is fixedly connected to the inner bottom surface of the mounting frame 1 near one side edge, and a plurality of tubes 702 are equidistantly arranged on the inner surface of the fixing frame 701. The outer surfaces of the plurality of tubes 702 near the top side are respectively threadedly connected with sealing covers 703.

[0027] The effect achieved by the entire embodiment 2 is that, during storage, the prepared food sample is poured into the tube body 702, and then the corresponding sealing cover 703 is threadedly connected to the outer surface of the tube body 702 to achieve a sealing effect. The sealed and stored food sample tube body 702 is then correspondingly inserted into the fixed frame 701 to achieve a storage effect, making it convenient for personnel to classify and manage samples of different foods, thereby improving the storage effect of food sample preparation.

[0028] Working principle: When preparing samples for food testing, first pour the food to be tested and reagent raw materials of appropriate sizes into the placement tube 601 in proportion. The bottom of the placement tube 601 is polygonal and can be limited in the top groove of the base 9. Then start the first motor 2, and the output end of the first motor 2 will rotate correspondingly in the inner wall of the mounting frame 1, so that the threaded rod 3 rotates correspondingly on the inner surface of the fixed column 8. The moving block 5 will slide back and forth along the outer surface of the fixed rod 4 under the threaded rotation connection of the threaded rod 3, playing a lifting role. When the moving block 5 moves downward, it will drive the connecting block 604 to move downward accordingly through the connecting column 10, so that the blocking block 602 will contact the top of the placement tube 601 under the connection of multiple connecting rods 603. When the inner top surface of the blocking block 602 contacts the placement tube 601, its edge will fit closely with the outer surface of the placement tube 601 close to the top side, playing a shielding role, and start the second motor 605. The output end of the second motor 605 will drive the rotating rod 609 to rotate accordingly, and the mounting block 606 arranged on the outer surface thereof will drive multiple stirring rods 607 and multiple blades 608 to stir and crush the food to be tested, so that the tested food is formed into smaller particles or liquid, and is fully mixed with the reagent material to form a food detection sample. Through the lifting effect of the moving block 5 and the coordinated use of the stirring component 6, a variety of larger fixed body or fluid foods can be stirred and sampled in the placement cylinder 601, thereby improving the sample preparation range of the food detection sample preparation device. When storing, the prepared food sample is poured into the tube body 702, and then the corresponding sealing cover 703 is threadedly connected to the outer surface of the tube body 702 to play a sealing role. Then, the sealed and stored food sample tube body 702 is correspondingly inserted into the fixed frame 701 to play a storage role, which is convenient for personnel to classify and manage samples of different foods and improves the storage effect of food samples.

[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A food testing and sampling device, characterized in that: include: A mounting frame (1), wherein a first motor (2) is fixedly connected to the top of the mounting frame (1), an output end of the first motor (2) rotates and passes through the top of the mounting frame (1), a threaded rod (3) is fixedly connected to the output end of the first motor (2), a moving block (5) is threadedly rotatably connected to the outer surface of the threaded rod (3), and a connecting column (10) is fixedly connected to the bottom of the moving block (5); A stirring assembly (6), the stirring assembly (6) being fixedly connected to the bottom of the connecting column (10), the stirring assembly (6) comprising a placement cylinder (601) and a connecting block (604); A storage assembly (7), the storage assembly (7) being fixedly connected to the inner bottom surface of the mounting frame (1), the storage assembly (7) comprising a fixing frame (701).

2. The food testing and sample preparation device according to claim 1, characterized in that: The connection block (604) is fixedly connected to the bottom of the connection column (10), a plurality of connection rods (603) are fixedly connected to the bottom of the connection block (604) at equal intervals, and a shielding block (602) is fixedly connected to the bottom of each of the plurality of connection rods (603).

3. The food testing and sample preparation device according to claim 2, characterized in that: A second motor (605) is fixedly connected to the top of the shielding block (602); an output end of the second motor (605) rotates and passes through the top of the shielding block (602); a rotating rod (609) is fixedly connected to the output end of the second motor (605); and a mounting block (606) is fixedly connected to the outer surface of the rotating rod (609).

4. The food testing and sample preparation device according to claim 3, characterized in that: A plurality of stirring rods (607) are fixedly connected to the front surface and the rear surface of the mounting block (606) at equal intervals, and a plurality of blades (608) are arranged at equal intervals on the outer surfaces of both sides of the mounting block (606).

5. The food testing and sample preparation device according to claim 1, characterized in that: A base (9) is fixedly connected to the inner bottom surface of the mounting frame (1) near the center, and the placement tube (601) is located in a top groove of the base (9). The bottom of the placement tube (601) and the top groove of the base (9) are both polygonal.

6. The food testing and sample preparation device according to claim 1, characterized in that: A fixing rod (4) is fixedly connected between the inner surfaces of the mounting frame (1), and the outer surface of the fixing rod (4) is slidably connected to the inner surface of the moving block (5).

7. The food testing and sample preparation device according to claim 1, characterized in that: The fixing frame (701) is fixedly connected to the inner bottom surface of the mounting frame (1) near one side edge, and a plurality of tubes (702) are equidistantly arranged on the inner surface of the fixing frame (701), and a sealing cover (703) is respectively threadedly connected to the outer surface of the plurality of tubes (702) near the top side.

8. The food testing and sample preparation device according to claim 7, characterized in that: A fixing column (8) is provided on a side of the inner bottom surface of the mounting frame (1) away from the fixing frame (701), and the inner surface of the fixing column (8) is rotatably connected to the outer surface of the threaded rod (3).

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