Integrated sampling device for surface and deep microorganisms of deep-frozen aquatic products

Abstract

This utility model relates to the field of surface microbial sampling technology for aquatic products, specifically to an integrated sampling device for surface and deep microbial contamination of frozen aquatic products. It includes a grip and a sampling needle. A support plate is mounted at the bottom of the grip, and a groove is formed on the side wall of the support plate. A telescopic component for extending and retracting the sampling needle is installed within the groove. A breaking component is provided on the support plate for breaking the ice crystal layer on the surface of the frozen aquatic product during the extension and retraction of the sampling needle. This utility model overcomes the shortcomings of traditional sampling devices that can only perform single surface or deep sampling. Through its integrated design, it simplifies the operation process, reduces labor intensity, and improves sampling efficiency.

Description

Technical Field

[0001] This utility model relates to the field of surface microbial sampling technology for aquatic products, specifically to an integrated sampling device for surface and deep microbial samples of frozen aquatic products. Background Technology

[0002] Aquatic products, including fish, shrimp, and shellfish, are an important food source for humans. However, aquatic products are susceptible to microbial contamination during harvesting, processing, transportation, and storage. These microorganisms include bacteria, fungi, and viruses, some of which can cause food poisoning and infectious diseases, posing serious threats to human health. To ensure the quality and safety of aquatic products, it is necessary to test their microbiological status. Microbiological test results can help determine whether aquatic products meet food safety standards and are safe for consumption in the market.

[0003] In the actual process of aquatic product quality testing, in order to fully understand the microbial contamination of aquatic products, it is often necessary to test both surface and deep microorganisms at the same time. Currently, most sampling devices on the market can only perform surface or deep sampling separately. When both types of sampling are required, different tools and methods are needed, which is cumbersome.

[0004] In summary, the current sampling devices on the market can only perform surface or deep sampling separately in the actual aquatic product quality testing process. When both types of sampling are required, different tools and methods are needed, which is cumbersome. This has become an urgent problem to be solved in this field. Therefore, it is necessary to propose an integrated sampling device for surface and deep microorganisms of deep-frozen aquatic products. Utility Model Content

[0005] To address the aforementioned issues, this utility model provides an integrated sampling device for surface and deep microorganisms in frozen aquatic products. This device overcomes the limitations of traditional sampling devices that can only perform single surface or deep sampling. Through its integrated design, it simplifies the operation process, reduces labor intensity, and improves sampling efficiency.

[0006] To achieve the above objectives, the technical solution of this utility model is as follows: an integrated sampling device for surface and deep microorganisms of deep-frozen aquatic products, including a grip and a sampling needle. A support plate is installed at the bottom of the grip, and a groove is formed on the side wall of the support plate. A telescopic component for driving the sampling needle to extend and retract is installed in the groove. A crushing component is provided on the support plate for breaking the ice crystal layer on the surface of the deep-frozen aquatic products when the sampling needle extends and retracts.

[0007] The technical principles of the above solution are as follows:

[0008] When sampling and inspecting deep-frozen aquatic products, hold the handle by hand and place the sampling device on the surface of the deep-frozen aquatic products. Use the telescopic component to drive the sampling needle to extend and pierce the surface of the deep-frozen aquatic products. When the sampling needle extends, it drives the crushing component on the support plate to first break the ice crystal layer on the surface of the aquatic products and simultaneously collect the surface melt liquid. At the same time, the telescopic component drives the sampling needle to pierce into the aquatic products from the surface of the aquatic products with the ice crystal layer already broken, and collect deep muscle samples of the deep-frozen aquatic products.

[0009] The above approach has the following beneficial effects:

[0010] 1. This utility model, through its integrated design, enables the simultaneous acquisition of surface and deep samples of deep-frozen aquatic products in a single operation. This avoids the cumbersome process of using different tools to sample the surface and deep layers separately in traditional methods, thereby improving testing efficiency and saving testing time and labor costs.

[0011] 2. The breaking component of this utility model can effectively break the ice crystal layer on the surface of deep-frozen aquatic products before the sampling needle punctures, which not only makes it easier for the sampling needle to penetrate and reduces damage to the sampling needle, but also allows for the simultaneous collection of surface melt liquid for surface microbial detection, ensuring the integrity and accuracy of surface microbial sample collection.

[0012] Furthermore, the telescopic assembly includes a push block and a controller. The push block and the groove slide together, and the sampling needle is fixedly connected to the bottom of the push block. The support plate has a first sliding groove and a second sliding groove arranged symmetrically on its side wall. A first slider slides in the first sliding groove and a second slider slides in the second sliding groove. A first connecting rod is hinged to the side wall of each first slider, and the end of the first connecting rod away from the first slider is hinged to the push block. A second connecting rod is hinged to the side wall of each second slider, and the end of the second connecting rod away from the second slider is hinged to the push block.

[0013] The gripping part is equipped with a telescopic component for driving the push block to slide in the groove. The input end of the telescopic component is electrically connected to the output end of the controller.

[0014] The support plate is equipped with a negative pressure component for generating negative pressure in the sampling needle to attract the sample.

[0015] Beneficial effects: When the telescopic component operates under the control of the controller and drives the pusher block to slide, it can stably push the sampling needle to perform telescopic movements.

[0016] Furthermore, the crushing assembly includes clamping rods symmetrically and fixedly connected to one side wall of the first and second sliders, and blades are detachably connected to the bottom end of each clamping rod.

[0017] Beneficial effects: The detachable blade at the bottom can efficiently break up the ice crystal layer on the surface of deep-frozen aquatic products before the sampling needle punctures.

[0018] Furthermore, the negative pressure assembly includes a first piston cylinder and a second piston cylinder. The first piston cylinder and the second piston cylinder are symmetrically and fixedly connected to the side wall of the support plate. A piston is slidably fitted inside both the first piston cylinder and the second piston cylinder. A piston rod is fixedly connected to each piston. The end of the piston rod away from the piston is fixedly connected to the first slider adjacent to it. One end of both the first piston cylinder and the second piston cylinder is connected to an air outlet pipe. The air outlet pipe of the first piston cylinder is connected to the sampling needle.

[0019] Beneficial effects: The vent pipe of the first piston cylinder is connected to the sampling needle, which generates negative pressure inside the sampling needle during piston sliding. This negative pressure environment can draw the collected deep muscle samples into the sampling needle.

[0020] Furthermore, the blade surfaces are all serrated.

[0021] Beneficial effects: The presence of serrations generates more shear and tearing forces on the ice crystal layer during the crushing process, which can break the ice crystal layer into smaller particles and further reduce the resistance of the sampling needle puncture.

[0022] Furthermore, a sterile sponge can be detachably connected to the bottom of the clamping rod.

[0023] Beneficial effects: After the blade breaks the ice crystal layer, the sterile sponge can fully absorb and collect the surface melted liquid.

[0024] Furthermore, the sidewalls of the clamping rods near the sampling needle are all arc-shaped and slide in conjunction with the sampling needle. The support plate is also equipped with auxiliary clamping components for assisting in clamping deep-frozen aquatic products.

[0025] Beneficial effects: The curved sidewalls provide good guidance for the sampling needle during its extension and retraction, preventing it from shifting or wobbling.

[0026] Furthermore, the auxiliary clamping assembly includes L-shaped support rods symmetrically and fixedly connected to the side wall of the second slider. Each support rod has an air bladder fixedly connected to its bottom side wall, and the air bladders are all connected to the air outlet pipe of the second piston cylinder.

[0027] Beneficial effects: The surface of deep-frozen aquatic products is smooth, and the air bladder on the side wall at the bottom of the support rod can inflate under the action of the air outlet pipe of the second piston cylinder. When the device is placed on the surface of deep-frozen aquatic products, the inflation of the air bladder can increase the friction and contact stability between the device and the surface of the aquatic products.

[0028] Furthermore, a rubber anti-slip layer is fixedly connected to the side wall of the grip.

[0029] Beneficial effects: The rubber anti-slip layer has good anti-slip properties, which can increase the friction between the hand and the grip when the operator holds the grip for sampling.

[0030] Furthermore, an electric heating wire is embedded in the grip, and the input end of the electric heating wire is electrically connected to the output end of the controller.

[0031] Beneficial effects: The electric heating wire works under the control of the controller, which can heat the grip area and keep the temperature of the grip area within a suitable range, increasing the user's comfort in low-temperature environments.

[0032] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0033] Figure 1 This is an isometric view of the integrated sampling device for surface and deep microorganisms of deep-frozen aquatic products according to this utility model.

[0034] Figure 2 for Figure 1 Enlarged view of part A in the middle.

[0035] Figure 3 This is a frontal cross-sectional view of the integrated sampling device for surface and deep microorganisms of deep-frozen aquatic products according to this utility model.

[0036] The reference numerals in the accompanying drawings of the instruction manual include: 1. Grip; 2. Sampling needle; 3. Support plate; 4. Push block; 5. First slider; 6. Second slider; 7. First connecting rod; 8. Second connecting rod; 9. Electric telescopic rod; 10. Clamping rod; 11. Blade; 12. First piston cylinder; 13. Second piston cylinder; 14. Air outlet tube; 15. Sterile sponge; 16. Support rod; 17. Airbag. Detailed Implementation

[0037] The following detailed description illustrates the specific implementation method:

[0038] Example 1:

[0039] As attached Figures 1-3 As shown: An integrated sampling device for surface and deep microorganisms of deep-frozen aquatic products includes a grip 1 and a sampling needle 2. A support plate 3 is installed at the bottom of the grip 1. A groove is formed on the side wall of the support plate 3, and a telescopic component for driving the sampling needle 2 to extend and retract is installed in the groove. A breaking component is provided on the support plate 3 for breaking the ice crystal layer on the surface of the deep-frozen aquatic products when the sampling needle 2 extends and retracts.

[0040] The telescopic assembly includes a push block 4 and a controller. In this embodiment, the controller is an Arduino Uno. The push block 4 and the groove slide together, and the sampling needle 2 is fixedly connected to the bottom of the push block 4 by screws.

[0041] The support plate 3 has a first and a second sliding groove symmetrically arranged on its side wall. A first slider 5 is slidably fitted in the first sliding groove, and a second slider 6 is slidably fitted in the second sliding groove. A first connecting rod 7 is hinged to the side wall of the first slider 5, and the end of the first connecting rod 7 away from the first slider 5 is hinged to the push block 4. A second connecting rod 8 is hinged to the side wall of the second slider 6, and the end of the second connecting rod 8 away from the second slider 6 is hinged to the push block 4. A telescopic component for driving the push block 4 to slide in the groove is installed on the grip 1. The input end of the telescopic component is electrically connected to the output end of the controller. In this embodiment, the telescopic component is an electric telescopic rod 9 embedded in the grip 1, and its model is KT1610. The output shaft of the electric telescopic rod 9 and the push block 4 are fixedly connected by screws. The support plate 3 is provided with a negative pressure component for generating negative pressure in the sampling needle 2 to attract the sample.

[0042] The crushing assembly includes clamping rods 10 symmetrically connected to the side walls of the first slider 5 and the second slider 6 by screws. The side walls of the clamping rods 10 near the sampling needle 2 are all arc-shaped and slide in cooperation with the sampling needle 2. The support plate 3 is also provided with an auxiliary clamping assembly for assisting in clamping the deep-frozen aquatic products.

[0043] The bottom of the clamping rod 10 can be detachably connected to a blade 11, the blade 11 has a serrated blade surface, and the bottom of the clamping rod 10 can also be detachably connected to a sterile sponge 15.

[0044] The negative pressure assembly includes a first piston cylinder 12 and a second piston cylinder 13. The first piston cylinder 12 and the second piston cylinder 13 are symmetrical and fixedly connected to the side wall of the support plate 3 by screws. A piston is slidably fitted inside the first piston cylinder 12 and the second piston cylinder 13. A piston rod is integrally formed on the piston. The end of the piston rod away from the piston is fixedly connected to the adjacent first slider 5 by screws. One end of the first piston cylinder 12 and the second piston cylinder 13 is connected to an air outlet pipe 14. The air outlet pipe 14 of the first piston cylinder 12 is connected to the sampling needle 2.

[0045] The auxiliary clamping assembly includes an L-shaped support rod 16 symmetrically and integrally formed on the side wall of the second slider 6. An air bag 17 is fixedly bonded to the bottom side wall of the support rod 16. The air bags 17 are all connected to the air outlet pipe 14 of the second piston cylinder 13.

[0046] The specific implementation process is as follows:

[0047] Prepare the frozen seafood to be tested and hold the grip part 1 with your hand. Place the device on the surface of the frozen seafood, start the controller, the controller sends a signal, the electric telescopic rod 9 starts to work, its output shaft extends, and pushes the push block 4 to slide downward in the groove.

[0048] Combination Figure 1 and Figure 2As shown, when the push block 4 slides downwards, it drives the first connecting rod 7 and the second connecting rod 8, which are hinged to it, to move. Since the other ends of the first connecting rod 7 and the second connecting rod 8 are respectively hinged to the first slider 5 and the second slider 6, the first slider 5 slides towards the center in the first groove, and the second slider 6 slides towards the center in the second groove. At this time, the support rods 16 on the second slider 6 move towards the center to clamp the two sides of the aquatic product. As the first slider 5 and the second slider 6 slide towards the center, the clamping rods 10 fixed on their side walls move towards the center synchronously. At this time, the blade 11 at the bottom of the clamping rod 10 first contacts the ice crystal layer on the surface of the deep-frozen aquatic product. The serrated blade can more effectively break the ice crystal layer and scrape off the surface ice crystals. At the same time, the sterile sponge 15 can absorb the sample after the broken ice crystal layer melts and collect the sample on the surface of the aquatic product. As the push block 4 continues to slide, the sampling needle 2, driven by the push block 4, pierces into the aquatic product from the surface of the aquatic product with the broken ice crystal layer. Since the side wall of the clamping rod 10 near the sampling needle 2 is arc-shaped and slides with the sampling needle 2, the clamping rod 10 can stabilize and guide the sampling needle 2 during the insertion of the sampling needle 2, allowing the sampling needle 2 to penetrate deeper into the aquatic product more smoothly and collect deep muscle samples from the frozen aquatic product.

[0049] Combination Figure 3 As shown, during the process of the blade 11 breaking the ice crystal layer, the first slider 5 located on the right side of the figure drives the piston rod connected to it to move to the left, causing the piston in the first piston cylinder 12 to slide to the left. This creates a negative pressure in the sampling needle 2 connected to the right end of the first piston cylinder 12, allowing deep muscle samples from the frozen aquatic product to be drawn into the sampling needle 2. Simultaneously, the piston in the second piston cylinder 13 located on the left side of the figure can move to the right, creating a positive pressure on the right side of the piston in the second piston cylinder 13, which enters the air bladder 17 connected to it. At this time, the air bladder 17 inflates, further increasing the stability of the support rod 16 in holding the aquatic product and preventing displacement of the device during subsequent operations.

[0050] After completing the collection of surface melting liquid and deep muscle sample collection, operate the controller to retract the output shaft of the electric telescopic rod 9, causing the push block 4 to slide in the opposite direction. At this time, the air bag 17 contracts and releases to clamp the aquatic product. Simultaneously, positive pressure is generated in the sampling needle 2 to blow the deep muscle sample of the deep-frozen aquatic product into the collection container for collection. This completes an integrated sampling operation of surface and deep microorganisms of deep-frozen aquatic products.

[0051] Example 2:

[0052] As attached Figure 1 As shown, the difference from Embodiment 1 is that a rubber anti-slip layer is fixedly adhered to the side wall of the grip part 1.

[0053] The specific implementation process is as follows:

[0054] The rubber anti-slip layer has good anti-slip properties and can increase the friction between the hand and the grip when the operator holds the grip part 1 to perform sampling operations.

[0055] Example 3:

[0056] As attached Figure 1 As shown, the difference from Embodiment 2 is that the gripping part 1 is embedded with an electric heating wire, and the input end of the electric heating wire is electrically connected to the output end of the controller.

[0057] The specific implementation process is as follows:

[0058] The electric heating wire operates under the control of the controller, which can heat the grip part 1 and keep the temperature of the grip part 1 within a suitable range, increasing the user's comfort in low-temperature environments.

[0059] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. An integrated sampling device for surface and deep microorganisms of frozen aquatic products, comprising a grip (1) and a sampling needle (2), characterized in that, A support plate (3) is installed at the bottom of the grip (1). A groove is opened on the side wall of the support plate (3), and a telescopic component for driving the sampling needle (2) to extend and retract is provided in the groove. The support plate (3) is provided with a crushing component for breaking the ice crystal layer on the surface of the deep-frozen aquatic products when the sampling needle (2) extends and retracts.

2. The integrated sampling device for surface and deep microorganisms of deep-frozen aquatic products according to claim 1, characterized in that, The telescopic assembly includes a push block (4) and a controller. The push block (4) and the groove slide together, and the sampling needle (2) is fixedly connected to the bottom of the push block (4). The support plate (3) has a first sliding groove and a second sliding groove that are symmetrically arranged on its side wall. A first slider (5) is slidably fitted in the first sliding groove, and a second slider (6) is slidably fitted in the second sliding groove. A first connecting rod (7) is hinged to the side wall of the first slider (5), and the end of the first connecting rod (7) away from the first slider (5) is hinged to the push block (4). A second connecting rod (8) is hinged to the side wall of the second slider (6), and the end of the second connecting rod (8) away from the second slider (6) is hinged to the push block (4). The grip (1) is equipped with a telescopic component for driving the push block (4) to slide in the groove. The input end of the telescopic component is electrically connected to the output end of the controller. The support plate (3) is provided with a negative pressure component for generating negative pressure to attract the sample by the sampling needle (2).

3. The integrated sampling device for surface and deep microorganisms of deep-frozen aquatic products according to claim 2, characterized in that, The crushing assembly includes clamping rods (10) symmetrically and fixedly connected to one side wall of the first slider (5) and the second slider (6), and the bottom end of each clamping rod (10) is detachably connected to a blade (11).

4. The integrated sampling device for surface and deep microorganisms of deep-frozen aquatic products according to claim 3, characterized in that, The negative pressure assembly includes a first piston cylinder (12) and a second piston cylinder (13). The first piston cylinder (12) and the second piston cylinder (13) are symmetrical and fixedly connected to the side wall of the support plate (3). A piston is slidably fitted inside the first piston cylinder (12) and the second piston cylinder (13). A piston rod is fixedly connected to the piston. The end of the piston rod away from the piston is fixedly connected to the first slider (5) adjacent to it. One end of the first piston cylinder (12) and the second piston cylinder (13) are connected to an air outlet pipe (14). The air outlet pipe (14) of the first piston cylinder (12) is connected to the sampling needle (2).

5. The integrated sampling device for surface and deep microorganisms of deep-frozen aquatic products according to claim 4, characterized in that, The blade (11) has a serrated surface.

6. The integrated sampling device for surface and deep microorganisms of deep-frozen aquatic products according to claim 5, characterized in that, The bottom end of the clamping rod (10) can also be detachably connected to a sterile sponge (15).

7. The integrated sampling device for surface and deep microorganisms of deep-frozen aquatic products according to claim 6, characterized in that, The side wall of the clamping rod (10) near the sampling needle (2) is arc-shaped and slides with the sampling needle (2). The support plate (3) is also provided with an auxiliary clamping component for assisting in clamping the deep-frozen aquatic products.

8. The integrated sampling device for surface and deep microorganisms of deep-frozen aquatic products according to claim 7, characterized in that, The auxiliary clamping assembly includes an "L"-shaped support rod (16) symmetrically and fixedly connected to the side wall of the second slider (6). An airbag (17) is fixedly connected to the bottom side wall of the support rod (16). The airbags (17) are all connected to the air outlet pipe (14) of the second piston cylinder (13).

9. The integrated sampling device for surface and deep microorganisms of deep-frozen aquatic products according to claim 8, characterized in that, A rubber anti-slip layer is fixedly connected to the side wall of the grip part (1).

10. The integrated sampling device for surface and deep microorganisms of deep-frozen aquatic products according to claim 9, characterized in that, The grip (1) is embedded with an electric heating wire, and the input end of the electric heating wire is electrically connected to the output end of the controller.

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