Sampling device for food safety detection

Abstract

The utility model discloses a sampling device for food safety detection, which relates to the technical field of food safety detection and comprises a sampling tube, a sliding seat is arranged at the upper end of the sampling tube, a piston rod for extracting a sample to be detected is arranged in the sampling tube, and a pull rod is arranged at the upper end of the piston rod and outside the sampling tube. A piston block is arranged in the sampling tube at the lower end of the piston rod, a closing mechanism for closing the sampling tube in time after a sample is extracted is arranged at the lower end of the sampling tube, the closing mechanism comprises a cutting seat, the cutting seat is in sliding connection with a cutting structure for cutting the sample, and the piston block moves to drive the two cutting blocks to be opened or closed. A to-be-detected sample is cut through the two cutting blocks, the sampling pipe is sealed in time, the influence of external factors on a to-be-detected object is avoided, the sampling pipe is sealed through mutual movement of the two cutting blocks, and solid and liquid samples can be conveniently stored and sampled.

Description

TECHNICAL FIELD

[0001] The utility model relates to food safety detection technical field, concretely is a kind of sampling device for food safety detection. BACKGROUND

[0002] Food safety detection mainly tests in food no harmful substance, for example heavy metal and aflatoxin etc., promote the development of food industry, guarantee food safety, traditional sampling device adopts pull type, sample when exposing to air, easily be dust and particle pollution, affect detection accuracy, and pull type test tube is not convenient for the solid sample to be extracted and stored, and applicability is limited.

[0003] For example, the patent document with the announcement number CN220231086U records a kind of sampling device for food safety detection, sample is transported to the storage space inside sample storage frame by sampling conveying plate, and then sample is stored in the closed space, avoid the sample taken out to expose in air, reach the effect of reducing sample pollution, this sampling device for food safety detection is not convenient for extracting liquid sample, cannot close sampling head in time in the extraction process, affect detection result.

[0004] Based on this, a kind of sampling device for food safety detection is provided, which can eliminate the drawbacks of existing devices. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of sampling device for food safety detection, to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of sampling device for food safety detection, including sampling pipe, the upper end of the sampling pipe is equipped with sliding seat, the inside of the sampling pipe is equipped with piston rod for extracting sample to be measured, the upper end of the piston rod is equipped with pull rod at the position outside the sampling pipe, the lower end of the piston rod is equipped with piston block in the inside of the sampling pipe, the lower end of the sampling pipe is equipped with closure mechanism for closing the sampling pipe in time when sample is extracted, the closure mechanism includes cutting seat, the cutting seat is slidably connected with cutting structure for cutting sample.

[0008] On the basis of the above technical scheme, the utility model further provides the following optional technical scheme:

[0009] In an alternative scheme: the cutting structure includes cutting block, one cutting block is slidably connected on each side of the cutting seat, the cutting block is equipped with transmission element for driving the cutting block to open or close in the middle.

[0010] In an alternative: the transmission element includes a fixed block, the cutting block is provided with an opening in the middle, the inner wall of the opening is fixedly connected with a fixed block, the surface of the cutting block is provided with a linkage module for driving the cutting block to move when the piston block moves, and the side surface of the fixed block is fixedly connected with a spring member for driving the cutting block to reset.

[0011] In an alternative: the linkage module includes a sliding groove, the surface of the cutting block is provided with a sliding groove, and the lower end of the piston block is provided with a push block matched with the sliding groove.

[0012] In an alternative: the spring member includes a spring, one end of the spring is fixedly connected with the side surface of the fixed block, and the other end of the spring is fixedly connected with a transmission block, and the transmission block is fixedly connected with the inner wall of the cutting seat.

[0013] In an alternative: the fixed block is provided with a lubricating oil groove.

[0014] In an alternative: the sampling tube is internally provided with a temperature insulation layer.

[0015] In an alternative: the surface of the pull rod is provided with anti-skid lines.

[0016] Compared with the prior art, the utility model has the beneficial effects as follows:

[0017] 1. The piston block moves to drive two cutting blocks to open or close, the two cutting blocks cut the sample to be detected, and the sampling tube is closed in time to avoid the influence of external factors on the sample to be detected.

[0018] 2. The piston block extracts the sample, the two cutting blocks move to close the sampling tube, and the solid and liquid samples are conveniently preserved and sampled. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the utility model.

[0020] Figure 2 It is a structural schematic view of the sampling tube of the utility model.

[0021] Figure 3 It is a structural schematic view of the cutting seat of the utility model.

[0022] Figure 4 It is a structural schematic view of the cutting block of the utility model.

[0023] Legend of reference signs: 101. Sampling tube, 102. Sliding seat, 103. Piston rod, 104. Pull rod, 105. Piston block, 201. Cutting seat, 202. Cutting block, 203. Fixed block, 204. Spring, 205. Transmission block, 301. Push block, 302. Sliding groove. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further detailed in combination with the drawings and examples.

[0025] In one embodiment, as shown in Figures 1-3 A sampling device for food safety detection, comprising a sampling tube 101, a sliding seat 102 is arranged at the upper end of the sampling tube 101, a piston rod 103 for extracting a sample to be detected is arranged inside the sampling tube 101, a pull rod 104 is arranged at the upper end of the piston rod 103 outside the sampling tube 101, a piston block 105 is arranged at the lower end of the piston rod 103 inside the sampling tube 101, a closing mechanism for closing the sampling tube 101 in time after the sample is extracted is arranged at the lower end of the sampling tube 101, the closing mechanism comprises a cutting seat 201, the cutting seat 201 is slidably connected with a cutting structure for cutting the sample, by pulling the pull rod 104, the pull rod 104 drives the piston rod 103 to move, the piston rod 103 drives the piston block 105 to move, and the sample to be detected is extracted into the sampling tube 101, so that the sampling and detection of the sample are facilitated;

[0026] In one embodiment, as shown in Figure 2 The cutting structure comprises a cutting block 202, one cutting block 202 is slidably connected to each side of the cutting seat 201, a transmission element for driving the cutting block 202 to open or close is arranged in the middle of the cutting block 202, the two cutting blocks 202 cut the sample to be detected, and the sampling tube 101 is closed in time to avoid the influence of external factors on the sample to be detected;

[0027] In one embodiment, as shown in Figure 2 and Figure 3 The transmission element comprises a fixed block 203, an opening is arranged in the middle of the cutting block 202, the inner wall of the opening is fixedly connected with a fixed block 203, a linkage module for driving the cutting block 202 to move when the piston block 105 moves is arranged on the surface of the cutting block 202, a spring member for driving the cutting block 202 to reset is fixedly connected to the side surface of the fixed block 203, the opening arranged in the middle of the cutting block 202 provides conditions for the movement of the cutting block 202, and the mutual movement of the two cutting blocks 202 provides conditions for cutting the sample, so that the solid and liquid samples are conveniently detected;

[0028] In one embodiment, as shown in Figure 3 and Figure 4As shown, the linkage module includes a sliding groove 302, the cutting block 202 is provided with a sliding groove 302, the lower end of the piston block 105 is provided with a push block 301 matched with the sliding groove 302, the piston block 105 moves downward, the piston block 105 drives the push block 301 to move downward, the push block 301 slides in the sliding groove 302, and the two cutting blocks 202 are away from each other, thereby providing conditions for sampling.

[0029] In one embodiment, as shown in Figure 3 and Figure 4 As shown, the spring member includes a spring 204, one end of the spring 204 is fixedly connected to the side of the fixed block 203, the other end of the spring 204 is fixedly connected to a transmission block 205, and the transmission block 205 is fixedly connected to the inner wall of the cutting seat 201. When the piston block 105 moves upward to extract the sample, the piston block 105 drives the push block 301 to move upward, the push block 301 gradually reduces the pressure applied to the cutting block 202, the transmission block 205 provides support force, the spring 204 drives the fixed block 203 to reset, the fixed block 203 drives the cutting block 202 to close, the sample is cut, the sampling tube 101 is closed in time, and the detection sample accuracy is improved.

[0030] The above embodiment discloses a sampling device for food safety detection. By pulling the pull rod 104, the pull rod 104 drives the piston rod 103 to move, the piston rod 103 drives the piston block 105 to move, the piston block 105 moves downward, the piston block 105 drives the push block 301 to move downward, the push block 301 slides in the sliding groove 302, the two cutting blocks 202 are away from each other, the piston block 105 moves upward to extract the sample, the piston block 105 drives the push block 301 to move upward, the push block 301 gradually reduces the pressure applied to the cutting block 202, the transmission block 205 provides support force, the spring 204 drives the fixed block 203 to reset, the fixed block 203 drives the cutting block 202 to close, the sample is cut, the sampling tube 101 is closed in time, and the detection sample accuracy is improved.

[0031] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A sampling device for food safety detection, comprising a sampling tube (101), the upper end of the sampling tube (101) is provided with a sliding seat (102), the inside of the sampling tube (101) is provided with a piston rod (103) for extracting a sample to be tested, the upper end of the piston rod (103) is provided with a pull rod (104) outside the sampling tube (101), and the lower end of the piston rod (103) is provided with a piston block (105) inside the sampling tube (101), characterized in that, The lower end of the sampling tube (101) is provided with a closing mechanism for closing the sampling tube (101) in time after the sample is extracted, the closing mechanism comprises a cutting seat (201), and the cutting seat (201) is slidingly connected with a cutting structure for cutting the sample.

2. The sampling device for food safety inspection according to claim 1, characterized in that, The cutting structure comprises a cutting block (202), one cutting block (202) is slidingly connected with the cutting seat (201) on each side, and the cutting block (202) is provided with a transmission element in the middle for driving the cutting block (202) to open or close.

3. The sampling device for food safety inspection according to claim 2, wherein The transmission element comprises a fixed block (203), the cutting block (202) is provided with a hole in the middle, the inner wall of the hole is fixedly connected with a fixed block (203), the surface of the cutting block (202) is provided with a linkage module for driving the cutting block (202) to move when the piston block (105) moves, and the side surface of the fixed block (203) is fixedly connected with a spring member for driving the cutting block (202) to reset.

4. The sampling device for food safety inspection according to claim 3, wherein The linkage module comprises a sliding groove (302), the surface of the cutting block (202) is provided with a sliding groove (302), and the lower end of the piston block (105) is provided with a push block (301) matched with the sliding groove (302).

5. The sampling device for food safety inspection according to claim 3, wherein The spring member comprises a spring (204), one end of the spring (204) is fixedly connected with the side surface of the fixed block (203), the other end of the spring (204) is fixedly connected with a transmission block (205), and the transmission block (205) is fixedly connected with the inner wall of the cutting seat (201).

6. The sampling device for food safety inspection according to claim 3, wherein The fixed block (203) is provided with a lubricating oil groove.

7. The sampling device for food safety inspection according to claim 1, wherein The sampling tube (101) is provided with a temperature insulation layer inside.

8. The sampling device for food safety inspection according to claim 1, wherein The surface of the pull rod (104) is provided with anti-skid lines.

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