A sample pretreatment device for rapid detection of aquatic products

Abstract

The utility model discloses a sample pretreatment device for aquatic product fast detection, including base, meat grinder and meat grinder subassembly, meat grinder is screwed on the base upper end, meat grinder subassembly is installed on the upper end of meat grinder, the characteristic is that meat grinder subassembly includes the cylinder cover of installation on meat grinder, through setting up the piston pusher plate and push assembly of sliding connection in the meat grinder inside, has realized the convenient taking out of sample after chopping, after chopping operation is completed, only needs to start push assembly, can push the piston pusher plate upward, pushes out the sample after chopping from meat grinder, the advantage is convenient sampling, has improved work efficiency greatly, and the meat grinder, piston pusher plate and other parts of the device can be dismantled and cleaned, convenient thorough removal residual sample and dirt.

Description

Technical Field

[0001] This utility model relates to the field of aquatic product testing technology, and in particular to a sample pretreatment device for rapid testing of aquatic products. Background Technology

[0002] In the field of aquatic product testing technology, sample pretreatment is a crucial step in the rapid testing process, and its effectiveness directly affects the accuracy and reliability of subsequent test results. Currently, the core function of sample pretreatment devices for rapid aquatic product testing is to crush the aquatic product samples to prepare homogeneous samples suitable for testing. However, such devices in existing technologies generally have a significant drawback: after crushing the aquatic product samples, it is difficult to conveniently and efficiently remove the crushed samples from the device.

[0003] Traditional sample pretreatment devices for rapid testing of aquatic products focus solely on the grinding function, neglecting the convenience of sample removal. For example, some such devices use a fixed-volume grinding chamber. After grinding, operators must use tools (such as scrapers or spoons) to scrape the sample out. This process is cumbersome, time-consuming, and labor-intensive, especially for viscous or hard aquatic samples (such as shrimp or fish paste), where scraping is even more difficult, severely impacting work efficiency. Using tools to scrape samples inevitably leaves residue that adheres tightly to the inner walls, corners, and blade crevices of the grinding chamber. Taking a common cylindrical container as an example, the junction between the bottom and side walls easily becomes a cleaning dead zone, difficult to reach manually, resulting in significant sample residue. Summary of the Invention

[0004] The purpose of this invention is to provide a sample pretreatment device for rapid testing of aquatic products, which solves the problem that traditional sample pretreatment devices for rapid testing of aquatic products are difficult to remove conveniently after the sample is crushed.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: It includes a base, a meat grinder, and a meat grinder assembly. The meat grinder is threadedly installed on the upper end of the base, and the meat grinder assembly is installed on the upper end of the meat grinder. The meat grinder assembly includes a cap installed on the meat grinder. A locking mechanism for connecting the meat grinder and the cap is provided between the meat grinder and the cap. A first drive motor is fixed on the cap. The output end of the first drive motor passes through the cap and is coaxially fixed to a drive shaft. A blade is fixed on the drive shaft. A piston push plate is slidably provided inside the meat grinder. A rubber ring is provided on the piston push plate, and the rubber ring on the piston push plate is in contact with the inner wall of the meat grinder. A pushing assembly for pushing the piston push plate up and down is provided between the base and the piston push plate.

[0006] Preferably, the pushing assembly includes a piston push frame that extends through the base into the meat grinder. A boss is fixed to the top of the piston push frame, and a groove is formed at the bottom of the piston push plate. The boss on the piston push frame is embedded in the groove fixed to the piston push plate. A sliding groove is formed in the middle of the piston push frame. A first support frame is fixed inside the base. The sliding groove on the piston push frame can slide along the upper part of the first support frame. A limiting mechanism is provided between the piston push frame and the base to prevent the piston push frame from rotating. A lead screw is rotatably mounted at the bottom of the first support frame. The lower end of the lead screw is rotatably connected to the base. The lead screw is threadedly connected to the piston push frame. A driving mechanism for driving the lead screw to rotate is provided on the base.

[0007] Preferably, the drive mechanism includes a second support frame fixed inside one side of the base, a second drive motor fixed on the second support frame, a small gear coaxially fixed to the output end of the second drive motor, and a large gear coaxially fixed to the lower end of the lead screw, with the small gear and the large gear meshing with each other.

[0008] Preferably, the limiting mechanism includes limiting blocks fixed on both sides of the piston push frame, and the base is provided with a limiting groove for sliding with the limiting blocks, which is suitable for limiting the piston push frame.

[0009] Preferably, a connecting column is fixed on the piston push plate, and a limiting hole is opened at the lower end of the drive shaft. The limiting hole on the drive shaft is coaxially sleeved on the connecting column.

[0010] Preferably, the locking mechanism includes hooks fixedly installed on both sides of the meat grinder, and hanging rings fixed on both sides of the barrel cover, with the hooks fastened to the hanging rings.

[0011] Preferably, a protective cover is fixed on the cylinder cover.

[0012] Compared with the prior art, the advantages of this utility model are as follows: by setting a sliding piston push plate inside the meat grinder and equipping it with a pushing component, the sample after grinding is easily removed. After the grinding operation is completed, simply activate the pushing component to push the piston push plate upward and push the ground sample out of the meat grinder. This avoids the cumbersome process of scraping the sample with tools in traditional devices, greatly improving work efficiency. At the same time, the meat grinder, piston push plate and other components of this device can be disassembled and cleaned, making it easy to thoroughly remove residual samples and dirt. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of a sample pretreatment device for rapid testing of aquatic products.

[0014] Figure 2 This is an exploded three-dimensional structural diagram of a sample pretreatment device for rapid testing of aquatic products.

[0015] Figure 3 A cross-sectional perspective view of the base and meat grinder of a sample pretreatment device for rapid testing of aquatic products. Figure 1 ;

[0016] Figure 4 A cross-sectional perspective view of the base and meat grinder of a sample pretreatment device for rapid testing of aquatic products. Figure 2 ;

[0017] Figure 5 A three-dimensional structural diagram of a pusher component of a sample pretreatment device for rapid testing of aquatic products;

[0018] Figure 6 This is a bottom-view three-dimensional structural diagram of the pushing component of a sample pretreatment device for rapid testing of aquatic products.

[0019] In the diagram: 1. Base; 2. Meat grinder; 3. Cylinder cover; 4. Protective cover; 5. First drive motor; 6. Drive shaft; 7. Blade; 8. Piston push plate; 9. First support frame; 10. Lead screw; 11. Piston push frame; 12. Boss; 13. Groove; 14. Limiting block; 15. Second support frame; 16. Second drive motor; 17. Small gear; 18. Large gear; 19. Connecting column; 20. Hook; 21. Hanging ring. Detailed Implementation

[0020] The present invention will be further described below with reference to specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0021] like Figure 1-6 As shown, a sample pretreatment device for rapid testing of aquatic products comprises four parts: a base 1, a meat grinder 2, a meat grinder assembly, and a pushing assembly. The base 1 serves as the supporting foundation of the device, integrating a drive mechanism and a limiting mechanism. The meat grinder 2 is threaded onto the upper end of the base 1 to hold the aquatic product sample. The meat grinder assembly is installed on the upper end of the meat grinder 2 to perform sample grinding. The pushing assembly is located between the base 1 and the inside of the meat grinder 2 to push the piston pusher 8 up and down, facilitating the convenient removal of the ground sample.

[0022] The lid 3 is connected to the meat grinder 2 via a locking mechanism. Specifically, hooks 20 are fixed on both sides of the meat grinder 2, and hanging rings 21 are correspondingly provided on both sides of the lid 3. The lid 3 and the meat grinder 2 can be quickly locked and disassembled by engaging the hanging rings 21 with the hooks 20. This locking mechanism is an existing mature technical solution. A protective cover 4 is fixed on the top of the lid 3 to protect the first drive motor 5 inside and prevent foreign objects from entering during operation.

[0023] like Figure 2 As shown, the first drive motor 5 is fixed on the cylinder cover 3, and its output end passes through the cylinder cover 3 and is coaxially connected to the drive shaft 6. A limit hole is opened at the lower end of the drive shaft 6, and the blade 7 is fixed in the middle of the drive shaft 6. It rotates with the drive shaft 6 to crush the sample in the meat grinder 2.

[0024] The piston push plate 8 is slidably disposed inside the meat grinder cylinder 2, and a rubber ring is provided on its outer periphery. The rubber ring is tightly fitted with the inner wall of the meat grinder cylinder 2 to ensure the sealing of the piston push plate 8 when it rises and falls, and to prevent sample leakage.

[0025] The connecting column 19 is fixed to the upper surface of the piston push plate 8, and the limiting hole of the drive shaft 6 is coaxially sleeved on the connecting column 19, so that the drive shaft 6 and the piston push plate 8 form an axial limit, preventing the drive shaft 6 from shaking during the crushing process.

[0026] like Figure 3 As shown, the first support frame 9 is fixed inside the base 1 to support the piston push frame 11 to slide up and down. The lead screw 10 is rotatably installed between the first support frame 9 and the base 1 through a bearing, and the large gear 18 is coaxially fixed at its lower end.

[0027] The piston push frame 11 has a sliding groove in the middle and is sleeved on the first support frame 9. It can slide up and down along the first support frame 9. The lower end of the piston push frame 11 is threaded to the lead screw 10. The upper end of the piston push frame 11 is fixed with a boss 12. The bottom of the piston push plate 8 has a groove 13. The upper end of the piston push frame 11 is embedded in the groove 13 of the piston push plate 8 through the boss 12, so as to achieve a tight connection with the piston push plate 8.

[0028] The second support frame 15 is fixed inside one side of the base 1, and the second drive motor 16 and the pinion 17 are mounted on it. The pinion 17 is coaxially fixed to the output end of the second drive motor 16 and meshes with the large gear 18. When the second drive motor 16 starts, it drives the large gear 18 to rotate through the pinion 17, thereby driving the lead screw 10 to rotate.

[0029] When the lead screw 10 rotates, it drives the piston push frame 11 to move up and down along the first support frame 9 through the threaded transmission, thereby driving the piston push plate 8 to rise and fall inside the meat grinder 2. The limiting blocks 14 are symmetrically fixed on both sides of the piston push frame 11, and the inner wall of the base 1 is correspondingly provided with limiting grooves. The limiting blocks 14 are embedded in the limiting grooves and slide to prevent the piston push frame 11 from rotating during the rising and falling process, and to ensure that the piston push plate 8 moves vertically.

[0030] When using it, first put the aquatic product sample into the meat grinder 2, and then lock the lid 3 by fastening the hook 20 and the hanging ring 21.

[0031] The first drive motor 5 is started, and the drive shaft 6 drives the blade 7 to rotate at high speed, which crushes the sample in the meat grinder 2 until a uniform test sample is formed. After crushing, the first drive motor 5 is turned off and the second drive motor 16 is started. The second drive motor 16 drives the lead screw 10 to rotate through gear transmission. The piston push frame 11 pushes the piston push plate 8 upward along the limiting groove, pushing the crushed sample in the meat grinder 2 out little by little from the top. This makes it easier for the operator to collect the sample with tools, improves the efficiency of sample collection, and prevents the sample from adhering to the inner wall of the crushing chamber.

[0032] After removing the sample, remove the cylinder cover 3, take off the piston push plate 8, unscrew the meat grinder cylinder 2 from the base 1, and clean each component separately.

[0033] After cleaning, the piston push plate 8 is reinstalled, and the piston push plate 8 is reset to the bottom of the meat grinder 2 by reversing the drive of the second drive motor 16, ready for the next use.

[0034] The basic principles, main features, and advantages of this utility model have been described above. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A sample pre-treatment device for rapid detection of aquatic products, comprising a base (1), a mincing cylinder (2) and a mincing assembly, the mincing cylinder (2) is threadedly installed on the upper end of the base (1), and the mincing assembly is installed on the upper end of the mincing cylinder (2), characterized in that: The meat grinding assembly includes a cylinder cover (3) installed on the meat grinding cylinder (2). A locking mechanism for connecting the meat grinding cylinder (2) and the cylinder cover (3) is provided between the meat grinding cylinder (2) and the cylinder cover (3). A first drive motor (5) is fixed on the cylinder cover (3). The output end of the first drive motor (5) passes through the cylinder cover (3) and is coaxially fixed with a drive shaft (6). A blade (7) is fixed on the drive shaft (6). A piston push plate (8) is slidably provided inside the meat grinding cylinder (2). A rubber ring is provided on the piston push plate (8). The rubber ring on the piston push plate (8) is in contact with the inner wall of the meat grinding cylinder (2). A pushing component for pushing the piston push plate (8) to move up and down is provided between the base (1) and the piston push plate (8).

2. The sample pretreatment device for rapid detection of aquatic products according to claim 1, characterized in that: The pushing assembly includes a piston push frame (11), which extends through the base (1) into the meat grinder (2). A boss (12) is fixed to the top of the piston push frame (11), and a groove (13) is provided at the bottom of the piston push plate (8). The boss (12) on the piston push frame (11) is embedded in the groove (13) fixed to the piston push plate (8). A sliding groove is provided in the middle of the piston push frame (11), and a first support frame (9) is fixed inside the base (1). The slide groove on the frame (11) can slide along the upper part of the first support frame (9). A limiting mechanism for preventing the piston push frame (11) from rotating is provided between the piston push frame (11) and the base (1). A lead screw (10) is rotatably installed at the bottom of the first support frame (9). The lower end of the lead screw (10) is rotatably connected to the base (1). The lead screw (10) is threadedly connected to the piston push frame (11). A driving mechanism for driving the lead screw (10) to rotate is provided on the base (1).

3. The sample pretreatment device for rapid testing of aquatic products according to claim 2, characterized in that: The drive mechanism includes a second support frame (15) fixed inside one side of the base (1), a second drive motor (16) fixed on the second support frame (15), a small gear (17) coaxially fixed at the output end of the second drive motor (16), a large gear (18) coaxially fixed at the lower end of the lead screw (10), and the small gear (17) and the large gear (18) meshing with each other.

4. The sample pretreatment device for rapid testing of aquatic products according to claim 2, characterized in that: The limiting mechanism includes limiting blocks (14) fixed on both sides of the piston push frame (11), and the base (1) is provided with a limiting groove for sliding with the limiting blocks (14), which is suitable for limiting the piston push frame (11).

5. The sample pretreatment device for rapid testing of aquatic products according to claim 1, characterized in that: A connecting column (19) is fixed on the piston push plate (8), and a limiting hole is opened at the lower end of the drive shaft (6). The limiting hole on the drive shaft (6) is coaxially sleeved on the connecting column (19).

6. The sample pretreatment device for rapid testing of aquatic products according to claim 1, characterized in that: The locking mechanism includes hooks (20) fixedly installed on both sides of the meat grinder (2), and hanging rings (21) fixed on both sides of the barrel cover (3), with the hooks (20) fastened to the hanging rings (21).

7. The sample pretreatment device for rapid testing of aquatic products according to claim 1, characterized in that: A protective cover (4) is fixed on the cylinder cover (3).

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