Portable sampling device with sterilization function for food detection

Abstract

The utility model relates to the technical field of food detection, in particular to a portable sampling device with a sterilization function based on food detection, which comprises a sampling barrel, a piston assembly is mounted in an inner cavity of the sampling barrel, the piston assembly comprises a piston rod, and a rubber piston is fixedly connected to the left side of the piston rod. A sampling assembly is fixedly mounted on the left side of the sampling barrel and comprises a lower sampling tube and an upper sampling tube, and threaded rings are arranged on the surfaces of the lower sampling tube and the upper sampling tube in a threaded sleeving manner. The food sampling device solves the problems that only a single type of food can be sampled, different sampling devices need to be arranged for solid and liquid food, the operation is very troublesome, and the two devices are not easy to carry at the same time, has two sampling modes, can be used in different occasions, is of an integrated structure, and is convenient to use. Two types of sampling devices do not need to be carried, carrying is more convenient, and operation is simpler.

Description

Technical Field

[0001] The utility model relates to the technical field of food detection, and specifically relates to a portable sampling device with a sterilization function for food detection. Background Technique

[0002] Food safety detection is to detect harmful substances in food according to national standards, mainly the detection of some harmful and toxic indicators, such as heavy metals, aflatoxins, etc. An important aspect of food science and engineering is to introduce and apply chemical engineering unit operations and develop them into food engineering unit operations, so as to promote the development of the food industry towards large-scale, continuous and automated directions.

[0003] After retrieval, the publication number is CN115950667A, and the name is a portable sampling device with a sterilization function for food detection, including a sampling cylinder. Through research and analysis, it is found that although the device sterilizes the inner cavity of the lower inner storage cylinder to avoid bacterial contamination of food during sampling, to a certain extent, there are still the following disadvantages.

[0004] For example, the device can only sample single-type foods. Different sampling devices need to be equipped for solid and liquid foods, the operation is very troublesome, and it is not easy to carry two devices at the same time, reducing the practicability of the device. To solve the above technical problems, we have designed a portable sampling device with a sterilization function for food detection. Content of the Utility Model

[0005] The purpose of the utility model is to provide a portable sampling device with a sterilization function for food detection, which has the advantages of convenient carrying and two sampling types, and solves the problem that only single-type foods can be sampled, different sampling devices need to be equipped for solid and liquid foods, the operation is very troublesome, and it is not easy to carry two devices at the same time.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A portable sampling device with a sterilization function for food detection, including a sampling cylinder, wherein a piston assembly is installed in the inner cavity of the sampling cylinder. The piston assembly includes a piston rod, and a rubber piston is fixedly connected to the left side of the piston rod. A sampling assembly is fixedly installed on the left side of the sampling cylinder. The sampling assembly includes a lower sampling tube and an upper sampling tube. Threaded rings are sleeved on the surfaces of the lower sampling tube and the upper sampling tube. Sterilization components are inlaid and installed at the bottom of the sampling cylinder and the bottom of the lower sampling tube respectively. The sterilization component includes a fixed shell. A perspective mirror is fixedly installed at the top of the inner cavity of the fixed shell. A cover plate is snap-fitted and installed at the bottom of the fixed shell. An ultraviolet sterilization lamp is fixedly installed on the top of the cover plate. A liquid extraction component is connected and installed on the left side of the front surface of the sampling cylinder. The liquid extraction component includes a hose. A controller and a battery are fixedly installed on the right sides of the top and bottom of the sampling cylinder respectively.

[0007] Preferably, a handle is fixedly connected to the right side of the piston rod, and a fixed sleeve is movably sleeved on the right side of the surface. The fixed sleeve is sleeved and installed on the right side of the surface of the sampling cylinder.

[0008] Preferably, the inner ring of the fixed sleeve is in frictional contact with the right side of the surface of the sampling cylinder. A through hole for the piston rod to pass through is penetrated and opened at the center of the surface of the fixed sleeve. The surface of the rubber piston is in sliding contact with the inner wall of the sampling cylinder.

[0009] Preferably, the lower sampling tube is fixedly connected to the bottom of the left side of the sampling cylinder. External threads matching the threaded rings are respectively circumferentially opened on the right sides of the surfaces of the upper sampling tube and the lower sampling tube.

[0010] Preferably, limiting seats are fixedly connected to the tops of the front and rear sides of the lower sampling tube. Limiting blocks are fixedly connected to the bottoms of the front and rear sides of the upper sampling tube. The limiting blocks are snap-fitted into the inner cavities of the limiting seats.

[0011] Preferably, the fixed shell is respectively penetrated and installed at the bottom of the sampling cylinder and the bottom of the lower sampling tube. The perspective mirror has an arc-shaped structure, and the arc surface matches the inner walls of the sampling cylinder and the lower sampling tube.

[0012] Preferably, the hose is connected to the left side of the front surface of the sampling cylinder, and the other end of the hose is connected to a filter ball.

[0013] Preferably, handles are fixedly connected to the right sides of the front and rear sides of the sampling cylinder. A buckle is fixedly installed at the center of the front surface of the sampling cylinder. The inner wall of the buckle matches the hose.

[0014] Preferably, a connection assembly is fixedly installed on the left side of the top of the sampling cylinder. The connection assembly includes a connection rubber strip, which is fixedly installed on the left side of the top of the sampling cylinder. The other end of the connection rubber strip is fixedly connected with a connection ring. An annular groove is formed at the center of the surface of the threaded ring, and the connection ring is movably sleeved on the inner wall of the annular groove.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] In the present utility model, the piston rod drives the rubber piston to move inside the sampling cylinder, which can change the internal air pressure, and suck the liquid food from the filter ball and the hose, so as to be able to sample the liquid food. By combining the lower sampling tube and the upper sampling tube into a circular tube and inserting it into the solid food, the present utility model can sample the solid soft food. It has two sampling methods, can be used in different occasions, and the device is an integrated structure, without the need to carry two types of samplers, which is more convenient to carry and simpler to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0018] Figure 2 is a bottom three-dimensional structural schematic diagram of the present utility model;

[0019] Figure 3 is the present utility model Figure 1 an enlarged schematic diagram of A in;

[0020] Figure 4 is a three-dimensional exploded structural schematic diagram of the present utility model;

[0021] Figure 5 is a three-dimensional exploded structural schematic diagram of the sterilization assembly of the present utility model.

[0022] In the figure: 1, sampling cylinder; 2, controller; 3, piston assembly; 31, fixed sleeve; 32, piston rod; 33, rubber piston; 4, handle; 5, buckle; 6, liquid extraction assembly; 61, hose; 62, filter ball; 7, threaded ring; 8, connection assembly; 81, connection rubber strip; 82, connection ring; 9, sampling assembly; 91, lower sampling tube; 92, upper sampling tube; 93, limit seat; 94, limit block; 95, external thread; 10, battery; 11, sterilization assembly; 111, fixed shell; 112, perspective lens; 113, ultraviolet sterilization lamp; 114, cover plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Please refer to Figures 1-5, a portable sampling device with a sterilization function for food detection, including a sampling cylinder 1. A piston assembly 3 is installed in the inner cavity of the sampling cylinder 1. The piston assembly 3 includes a piston rod 32. A rubber piston 33 is fixedly connected to the left side of the piston rod 32. A sampling assembly 9 is fixedly installed on the left side of the sampling cylinder 1. The sampling assembly 9 includes a lower sampling tube 91 and an upper sampling tube 92. Threaded rings 7 are sleeved on the surfaces of the lower sampling tube 91 and the upper sampling tube 92. Sterilization components 11 are inlaid and installed at the bottom of the sampling cylinder 1 and the bottom of the lower sampling tube 91. The sterilization component 11 includes a fixed shell 111. A perspective lens 112 is fixedly installed at the top of the inner cavity of the fixed shell 111. A cover plate 114 is snap-fitted and installed at the bottom of the fixed shell 111. An ultraviolet sterilization lamp 113 is fixedly installed on the top of the cover plate 114. A liquid extraction component 6 is connected and installed on the left side of the front surface of the sampling cylinder 1. The liquid extraction component 6 includes a hose 61. A controller 2 and a battery 10 are respectively fixedly installed on the right sides of the top and bottom of the sampling cylinder 1. By setting the battery 10, the ultraviolet sterilization lamp 113 can be powered, enabling it to work without the need to carry a power source. By setting the controller 2, the on / off of the ultraviolet sterilization lamp 113 can be controlled. The output end of the battery 10 is unidirectionally electrically connected to the input end of the controller 2, and the output end of the controller 2 is unidirectionally electrically connected to the input end of the ultraviolet sterilization lamp 113;

[0024] A handle is fixedly connected to the right side of the piston rod 32. By setting the handle, it is convenient for the staff to move the piston rod 32, thereby enabling easier sampling and discharging. A fixed sleeve 31 is movably sleeved on the right side of the surface. The fixed sleeve 31 is sleeved and installed on the right side of the surface of the sampling cylinder 1;

[0025] The inner ring of the fixed sleeve 31 is in frictional contact with the right side of the surface of the sampling cylinder 1. A rubber ring is provided in the inner ring of the fixed sleeve 31, which can stably fix the fixed sleeve 31 on the surface of the sampling cylinder 1 and can be removed with force. A through hole for the piston rod 32 to pass through is penetrated at the center of the surface of the fixed sleeve 31. The surface of the rubber piston 33 is in sliding contact with the inner wall of the sampling cylinder 1;

[0026] The lower sampling tube 91 is fixedly connected to the bottom of the left side of the sampling cylinder 1. External threads 95 that cooperate with the threaded rings 7 are respectively provided around the right sides of the surfaces of the upper sampling tube 92 and the lower sampling tube 91. By setting the external threads 95, it is convenient to fix the upper sampling tube 92 on the surface of the lower sampling tube 91, achieving a stable splicing effect, so that the upper sampling tube 92 and the lower sampling tube 91 can be combined into a circular tube for sampling;

[0027] Limit seats 93 are respectively fixedly connected to the tops of the front and rear sides of the lower sampling tube 91. Limit blocks 94 are respectively fixedly connected to the bottoms of the front and rear sides of the upper sampling tube 92. The limit blocks 94 are snap-fitted into the inner cavities of the limit seats 93. By setting the limit blocks 94 and the limit seats 93, the tails of the upper sampling tube 92 and the lower sampling tube 91 can be limited and fixed, preventing the two from separating during the sampling process;

[0028] The fixed shell 111 is respectively installed through the bottom of the sampling cylinder 1 and the bottom of the lower sampling pipe 91. The perspective lens 112 has an arc-shaped structure, and the arc surface matches the inner walls of the sampling cylinder 1 and the lower sampling pipe 91;

[0029] The flexible hose 61 is connected to the left side of the front surface of the sampling cylinder 1, and the other end of the flexible hose 61 is connected with a filtering ball 62;

[0030] On the right sides of the front and rear sides of the sampling cylinder 1, handles 4 are fixedly connected. By providing the handles 4, it can be held by the staff for operation, which is convenient for inserting the upper sampling pipe 92 and the lower sampling pipe 91 into the sampling position with force. At the center of the front surface of the sampling cylinder 1, a buckle 5 is fixedly installed. The inner wall of the buckle 5 matches the flexible hose 61. By providing the buckle 5, the flexible hose 61 can be clamped to prevent it from shaking randomly when not in use;

[0031] On the left side of the top of the sampling cylinder 1, a connecting component 8 is fixedly installed. The connecting component 8 includes a connecting rubber strip 81. The connecting rubber strip 81 is fixedly installed on the left side of the top of the sampling cylinder 1, and the other end of the connecting rubber strip 81 is fixedly connected with a connecting ring 82. An annular groove is formed at the center of the surface of the threaded ring 7. By providing the annular groove, the connecting ring 82 will not be driven to rotate together during the rotation of the threaded ring 7. The connecting ring 82 is movably sleeved on the inner wall of the annular groove. By providing the connecting ring 82 and the connecting rubber strip 81, the threaded ring 7 can be fixed on the surface of the sampling cylinder 1 to prevent it from being lost.

[0032] During use, when sampling liquid food, the filtering ball 62 is placed inside the food to be sampled, and then the piston rod 32 is pulled to drive the rubber piston 33 to move outside the sampling cylinder 1, so that the liquid food can be sucked from the filtering ball 62 into the flexible hose 61 and then into the sampling cylinder 1; when sampling soft solid food, the flexible hose 61 is clamped inside the buckle 5 for fixation, and then the circular tube formed by combining the lower sampling pipe 91 and the upper sampling pipe 92 is inserted into the solid food and then pulled out, so that the food remains inside the lower sampling pipe 91 and the upper sampling pipe 92. When it is necessary to take out the solid food sample, only the threaded ring 7 needs to be rotated to move it towards the sampling cylinder 1 until it is separated from the surface of the upper sampling pipe 92, and then the upper sampling pipe 92 is moved so that the limit block 94 on its surface is removed from the limit seat 93, and the upper sampling pipe 92 can be disassembled, and then the solid sample can be easily taken out from the lower sampling pipe 91. Before sampling, the inside of the sampling cylinder 1, the upper sampling pipe 92 and the lower sampling pipe 91 is sterilized by irradiating with the ultraviolet germicidal lamp 113, so as to avoid the influence of bacteria growth on the sample.

[0033] In summary, the portable sampling device with a sterilization function for food detection solves the problems that only one type of food can be sampled, different sampling devices need to be equipped for solid and liquid foods, the operation is very troublesome, and it is not easy to carry two devices at the same time through the cooperation of the sampling cylinder 1, the controller 2, the piston assembly 3, the buckle 5, the liquid extraction assembly 6, the thread ring 7, the sampling assembly 9 and the sterilization assembly 11.

Claims

1. A portable sampling device with a sterilization function for food testing, comprising a sampling tube (1), characterized in that: The inner cavity of the sampling barrel (1) is provided with a piston assembly (3), the piston assembly (3) comprising a piston rod (32), the left side of the piston rod (32) being fixedly connected to a rubber piston (33), the left side of the sampling barrel (1) being fixedly provided with a sampling assembly (9), the sampling assembly (9) comprising a lower sampling tube (91) and an upper sampling tube (92), the surface threads of the lower sampling tube (91) and the upper sampling tube (92) being provided with thread rings (7), the bottom of the sampling barrel (1) and the bottom of the lower sampling tube (91) being both inlaid with a sterilization assembly (1 1), the sterilization component (11) comprises a fixed shell (111), a perspective mirror (112) is fixedly mounted on the top of the inner cavity of the fixed shell (111), a cover plate (114) is clamped and mounted on the bottom of the fixed shell (111), an ultraviolet sterilization lamp (113) is fixedly mounted on the top of the cover plate (114), a liquid collection component (6) is connected and mounted on the left side of the front surface of the sampling barrel (1), the liquid collection component (6) comprises a hose (61), and a controller (2) and a battery (10) are fixedly mounted on the right sides of the top and bottom of the sampling barrel (1), respectively.

2. A portable sampling device with sterilization function for food testing according to claim 1, characterized in that: The right side of the piston rod (32) is fixedly connected to a handle, and the right side of the surface is movablely sleeved with a fixed sleeve (31), and the fixed sleeve (31) is sleeved and installed on the right side of the surface of the sampling tube (1).

3. A portable sampling device with sterilization function for food testing according to claim 2, characterized in that: The inner ring of the fixed sleeve (31) is in frictional contact with the right side of the surface of the sampling tube (1), a through hole for the piston rod (32) to pass through is provided at the center of the surface of the fixed sleeve (31), and the surface of the rubber piston (33) is in sliding contact with the inner wall of the sampling tube (1).

4. A portable sampling device with sterilization function for food testing according to claim 1, characterized in that: The lower sampling tube (91) is fixedly connected to the bottom of the left side of the sampling tube (1), and the right sides of the surfaces of the upper sampling tube (92) and the lower sampling tube (91) are surrounded by external threads (95) that cooperate with the thread ring (7).

5. A portable sampling device with sterilization function for food testing according to claim 4, characterized in that: The tops of the front and rear sides of the lower sampling tube (91) are fixedly connected to the limiting seat (93), and the bottoms of the front and rear sides of the upper sampling tube (92) are fixedly connected to the limiting blocks (94), and the limiting blocks (94) are clamped in the inner cavity of the limiting seat (93).

6. A portable sampling device with sterilization function for food testing according to claim 1, characterized in that: The fixed shell (111) is respectively installed through the bottom of the sampling barrel (1) and the bottom of the lower sampling tube (91); the perspective mirror (112) has an arc surface structure, and the arc surface matches the inner walls of the sampling barrel (1) and the lower sampling tube (91).

7. A portable sampling device with sterilization function for food testing according to claim 1, characterized in that: The hose (61) is connected to the left side of the front surface of the sampling tube (1), and the other end of the hose (61) is connected to a filter ball (62).

8. The portable sampling device with sterilization function for food testing according to claim 1 is characterized in that: The right sides of the front and rear sides of the sampling barrel (1) are fixedly connected with handles (4), and a buckle (5) is fixedly installed at the center of the front surface of the sampling barrel (1), and the inner wall of the buckle (5) matches the hose (61).

9. A portable sampling device with sterilization function for food testing according to claim 1, characterized in that: A connecting assembly (8) is fixedly mounted on the left side of the top of the sampling tube (1), and the connecting assembly (8) comprises a connecting rubber strip (81). The connecting rubber strip (81) is fixedly mounted on the left side of the top of the sampling tube (1), and the other end of the connecting rubber strip (81) is fixedly connected to a connecting ring (82). An annular groove is provided at the center of the surface of the threaded ring (7), and the connecting ring (82) is movably sleeved on the inner wall of the annular groove.

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