Sample sampling equipment for liquid food detection

Abstract

The utility model relates to sampling equipment, belongs to the technical field of food detection, and in particular relates to sample sampling equipment for liquid food detection, which comprises a sampling shell, two isolation plates are fixedly connected in the sampling shell, and an inner cavity of the sampling shell is divided into three adjacent sampling cavities by the two isolation plates; through the arrangement of the positioning mechanism, before sampling, a rotating cap is rotated to enable a threaded rod to rotate, a limiting block is driven to move in the direction of a sliding rod until a pointer reaches a selected specified scale, a sampling shell extends into liquid to be sampled, a handle is pulled until a positioning block is in contact with the limiting block, and a positioning column is inserted into a positioning groove in the limiting block; according to the quantitative sampling device, accurate quantification of the sampling liquid is achieved, accuracy is improved, and the problems that quantitative sampling cannot be achieved through sampling equipment, the metering precision of the sampling liquid with the specified capacity is difficult to guarantee, re-quantification is often needed in the later period, the operation process is complex, and accuracy is low are solved.

Description

Technical Field

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

[0002] As people's material life becomes more and more abundant, various new foods continue to emerge. Among them, liquid food is the most common form of food. For example, various liquid milk, beverages, canned food, and even alcohol. In the process of testing these pan-food products, sampling is an indispensable link.

[0003] After searching the Chinese patent with publication number CN218674387U, a high-efficiency sampling device for food testing samples is disclosed, which relates to the field of food testing technology. The utility model includes a sampling shell, a material receiving box, a material feeding component, a sealing component, and a sampling component. One side of the sampling shell is provided with a plurality of material receiving grooves, and a material receiving box is arranged inside the material receiving groove. The other side of the sampling shell is provided with a plurality of feed ports, and the sampling shell is provided with a plurality of built-in grooves, and the right ends of the plurality of feed ports are all penetrated with the left side of the inner wall of the built-in groove.

[0004] Based on the above search and combined with the prior art, we found that:

[0005] Existing sampling equipment is unable to achieve quantitative sampling. It is difficult to ensure the measurement accuracy for sampling liquids that require a specified volume. Later re-quantification is often required, and the operation process is complicated and the accuracy is low. Utility Model Content

[0006] In order to solve the above technical problems, the utility model proposes a sample sampling device for liquid food testing. Before sampling, the rotating cap is first rotated to rotate the threaded rod, driving the limit block to move along the direction of the slide rod, driving the pointer to move along the scale bar until the pointer reaches the selected specified scale, and the sampling shell is inserted into the liquid to be sampled, and the handle is pulled until the positioning block contacts the limit block and the positioning column is inserted into the positioning groove on the limit block. Stop pulling the handle, and the sample liquid meets the required capacity, thereby achieving accurate quantification of the sampling liquid and improving accuracy.

[0007] The technical solution to achieve the purpose of the utility model is: a liquid food testing sample sampling device, including a sampling shell, wherein two isolation plates are fixedly connected to the sampling shell, and the two isolation plates divide the inner cavity of the sampling shell into three adjacent sampling cavities, and also includes;

[0008] A positioning mechanism, wherein the positioning mechanism is located on the sampling shell;

[0009] The positioning mechanism includes a fixed block fixedly connected to the outer cylindrical wall of the sampling shell, the top of the fixed block is fixedly connected to a support rod, one side of the support rod is provided with a plurality of scale bars, the top of the support rod is fixedly connected to a top plate, the top of the top plate is provided with a rotating hole, the top of the fixed block is provided with a rotating groove, a threaded rod is rotatably connected in the rotating groove, the top end of the threaded rod passes through the rotating hole and is fixedly connected with a rotating cap, a limit block is screwed on the threaded rod, one side of the limit block is fixedly connected with a pointer, and the pointer is adapted to the scale bar.

[0010] In some embodiments, a slide rod is fixedly connected to the top of the fixed block, a limiting hole is provided at the bottom of the limiting block, and the top end of the slide rod passes through the limiting hole and is fixedly connected to the bottom of the top plate.

[0011] In some embodiments, a sliding hole is provided on the top of the sampling shell, a connecting rod is slidably connected in the sliding hole, and a handle is fixedly connected to the top end of the connecting rod.

[0012] In some embodiments, three piston plates are fixedly connected to the connecting rod, and the three piston plates are evenly distributed in the three sampling cavities. The cylindrical inner walls of the three sampling cavities are all provided with sampling ports.

[0013] In some embodiments, a positioning block is fixedly connected to the connecting rod, a fixing groove is provided on one side of the positioning block, a telescopic spring is fixedly connected in the fixing groove, a positioning column is fixedly connected to one end of the telescopic spring, and the positioning column is slidably connected in the fixing groove.

[0014] In some embodiments, a positioning groove is provided on one side of the limit block, and the positioning groove is adapted to the positioning column.

[0015] Compared with the prior art, the present invention has the following significant advantages:

[0016] Firstly, the utility model sets a positioning mechanism. Before sampling, the rotating cap is first rotated to rotate the threaded rod, driving the limit block to move along the direction of the slide rod, driving the pointer to move along the scale bar until the pointer reaches the selected specified scale. The sampling shell is inserted into the liquid to be sampled, and the handle is pulled until the positioning block contacts the limit block and the positioning column is inserted into the positioning groove on the limit block. Stop pulling the handle, and the sample liquid that meets the required capacity is obtained, thereby realizing accurate quantification of the sample liquid and improving accuracy.

[0017] Second, the utility model divides the sampling shell into three sampling chambers by setting the sampling chamber. The isolation plate allows the sampled liquid of different depths to enter the sampling chamber from the sampling port through the piston plate pulled upward by the connecting rod, thereby achieving the purpose of sampling samples of different liquid depths, improving the accuracy of food detection, and reducing detection errors.

[0018] The invention solves the problems that the existing sampling equipment cannot realize quantitative sampling, it is difficult to ensure the measurement accuracy for the sampling liquid requiring a specified volume, re-quantification is often required later, the operation process is complicated, and the accuracy is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0020] Figure 1 It is a schematic diagram of the overall three-dimensional structure provided by the utility model in one embodiment;

[0021] Figure 2 It is a schematic diagram of the three-dimensional structure of the positioning mechanism provided in one embodiment of the utility model;

[0022] Figure 3 It is a schematic diagram of the overall cross-sectional plan structure provided by the utility model in one embodiment;

[0023] Figure 4 It is a schematic diagram of the three-dimensional structure of a positioning block provided in one embodiment of the utility model.

[0024] Description of reference numerals:

[0025] 1. Sampling shell; 101. Isolation plate; 102. Sampling chamber; 103. Sampling port; 201. Connecting rod; 202. Handle; 203. Piston plate; 204. Positioning block; 205. Positioning column; 206. Telescopic spring; 301. Fixed block; 302. Support rod; 303. Top plate; 304. Sliding rod; 305. Threaded rod; 306. Rotating cap; 307. Limiting block; 308. Positioning slot; 309. Pointer; 310. Scale bar. DETAILED DESCRIPTION

[0026] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] The utility model provides a sample sampling device for liquid food detection through improvement. The technical solution of the utility model is:

[0028] like Figure 1-Figure 4As shown, a sample sampling device for liquid food detection includes a sampling shell 1, in which two isolation plates 101 are fixedly connected. In order to enhance air tightness, the two isolation plates 101 are each provided with a sealing ring. The two isolation plates 101 divide the inner cavity of the sampling shell 1 into three adjacent sampling cavities 102, and also include; a positioning mechanism, which is located on the sampling shell 1; the positioning mechanism includes a fixed block 301 fixedly connected to the outer cylindrical wall of the sampling shell 1, the top of the fixed block 301 is fixedly connected to a support rod 302, one side of the support rod 302 is provided with a plurality of scale bars 310, the scales are convenient for observing the volume of the sampling liquid in the sampling cavity 102, the top of the support rod 302 is fixedly connected to a top plate 303, the top of the top plate 303 is provided with a rotating hole, the top of the fixed block 301 is provided with a rotating groove, a threaded rod 305 is rotatably connected in the rotating groove, and the threaded rod 305 is rotatably connected in the rotating groove. The top of the rod 305 passes through the rotating hole and is fixedly connected with a rotating cap 306, the threaded rod 305 is screwed with a limit block 307, and one side of the limit block 307 is fixedly connected with a pointer 309, and the pointer 309 is adapted to the scale bar 310; through the setting of the positioning mechanism, before sampling, the rotating cap 306 is first rotated to make the threaded rod 305 rotate, drive the limit block 307 to move along the direction of the slide bar 304, and drive the pointer 309 to move along the scale bar 310 until the pointer 309 reaches the selected specified scale, and the sampling shell 1 is inserted into the liquid to be sampled, and the handle 202 is pulled until the positioning block 204 contacts the limit block 307, and the positioning column 205 is inserted into the positioning groove 308 on the limit block 307, and the handle 202 is stopped. The sample liquid that meets the required capacity is obtained, which realizes the precise quantification of the sample liquid and improves the accuracy.

[0029] like Figure 2 As shown, in one embodiment, in order to ensure stability, the sliding rod 304 is fixed by welding, the top of the fixed block 301 is fixedly connected with the sliding rod 304, the bottom of the limit block 307 is provided with a limit hole, the top of the sliding rod 304 passes through the limit hole and is fixedly connected to the bottom of the top plate 303; through the setting of the sliding rod 304, the movement direction of the limit block 307 is restricted.

[0030] like Figure 1 As shown, in one embodiment, a sliding hole is provided at the top of the sampling shell 1, and a connecting rod 201 is slidably connected in the sliding hole. A handle 202 is fixedly connected to the top of the connecting rod 201. In order to facilitate hand holding, the handle 202 is made of rubber material; through the setting of the connecting rod 201, the piston plate 203 is pulled, thereby sucking the sample liquid into the sampling chamber 102.

[0031] like Figure 3As shown, in one embodiment, three piston plates 203 are fixedly connected to the connecting rod 201, the piston plates 203 are adapted to the sampling chamber 102, the three piston plates 203 are evenly distributed in the three sampling chambers 102, and the cylindrical inner walls of the three sampling chambers 102 are all provided with sampling ports 103; through the arrangement of the sampling chamber 102, the isolation plate 101 divides the sampling shell 1 into three sampling chambers 102, so that the liquid to be sampled at different depths is pulled upward by the connecting rod 201 through the piston plate 203 and enters the sampling chamber 102 from the sampling port 103, thereby achieving the purpose of sampling samples at different liquid level depths, improving the accuracy of food detection, and reducing detection errors.

[0032] like Figure 4 As shown, in one embodiment, a positioning block 204 is fixedly connected to the connecting rod 201, and a fixing groove is provided on one side of the positioning block 204, and a telescopic spring 206 is fixedly connected in the fixing groove. In order to extend the service life, the telescopic spring 206 is made of metal, and one end of the telescopic spring 206 is fixedly connected to a positioning column 205, and the positioning column 205 is slidably connected in the fixing groove; through the setting of the telescopic spring 206, when the positioning column 205 leaves the positioning groove 308, the telescopic spring 206 resets the positioning column 205 to facilitate the next positioning.

[0033] like Figure 2 As shown, in one embodiment, the limit block 307 is adapted to the positioning block 204, and a positioning groove 308 is provided on one side of the limit block 307, and the positioning groove 308 is adapted to the positioning column 205; through the setting of the positioning groove 308, when the sampling is completed and the sampling liquid needs to be extracted, the handle 202 is pressed hard, and the positioning column 205 can be separated from the positioning groove 308 due to its smooth surface, thereby canceling the clamping restriction of the positioning column 205. After the positioning column 205 leaves the positioning groove 308, the telescopic spring 206 resets the positioning column 205 to facilitate the next positioning.

[0034] The specific working method is: before sampling, first rotate the rotating cap 306 to rotate the threaded rod 305, drive the limit block 307 to move along the direction of the slide bar 304, and drive the pointer 309 to move along the scale bar 310 until the pointer 309 reaches the selected specified scale, extend the sampling shell 1 into the sampled liquid, pull the handle 202 until the positioning block 204 contacts the limit block 307, and the positioning column 205 is inserted into the positioning groove 308 on the limit block 307, and stop pulling the handle 202, that is, the sampling liquid that meets the required capacity is obtained, which realizes the accurate quantification of the sampling liquid and improves the accuracy. When the sampling is completed and the sampling liquid needs to be extracted, press the handle 202 hard. Due to the smooth surface of the positioning column 205, it can be separated from the positioning groove 308, canceling the clamping restriction of the positioning column 205. After the positioning column 205 leaves the positioning groove 308, the telescopic spring 206 resets the positioning column 205 to facilitate the next positioning.

[0035] The technical means disclosed in the utility model are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the utility model belong to the common knowledge of those skilled in the art.

Claims

1. A liquid food testing sample sampling device, comprising a sampling shell (1), wherein two isolation plates (101) are fixedly connected to the sampling shell (1), and the two isolation plates (101) divide the inner cavity of the sampling shell (1) into three adjacent sampling cavities (102), characterized in that: Also includes; A positioning mechanism, wherein the positioning mechanism is located on the sampling shell (1); The positioning mechanism comprises a fixed block (301) fixedly connected to the outer cylindrical wall of the sampling shell (1); a support rod (302) is fixedly connected to the top of the fixed block (301); a plurality of scale bars (310) are provided on one side of the support rod (302); a top plate (303) is fixedly connected to the top of the support rod (302); a rotation hole is provided on the top of the top plate (303); a rotation groove is provided on the top of the fixed block (301); a threaded rod (305) is rotatably connected in the rotation groove; the top of the threaded rod (305) passes through the rotation hole and is fixedly connected to a rotation cap (306); a limit block (307) is screwed on the threaded rod (305); a pointer (309) is fixedly connected to one side of the limit block (307); the pointer (309) is matched with the scale bar (310).

2. A liquid food testing sample sampling device according to claim 1, characterized in that: The top of the fixed block (301) is fixedly connected to a sliding rod (304), the bottom of the limiting block (307) is provided with a limiting hole, and the top end of the sliding rod (304) passes through the limiting hole and is fixedly connected to the bottom of the top plate (303).

3. The liquid food testing sample sampling device according to claim 1, characterized in that: The top of the sampling shell (1) is provided with a sliding hole, a connecting rod (201) is slidably connected in the sliding hole, and a handle (202) is fixedly connected to the top of the connecting rod (201).

4. A liquid food testing sample sampling device according to claim 3, characterized in that: The connecting rod (201) is fixedly connected to three piston plates (203), the three piston plates (203) are evenly distributed in the three sampling chambers (102), and the cylindrical inner walls of the three sampling chambers (102) are all provided with sampling ports (103).

5. The liquid food testing sample sampling device according to claim 3, characterized in that: A positioning block (204) is fixedly connected to the connecting rod (201), a fixing groove is provided on one side of the positioning block (204), a telescopic spring (206) is fixedly connected in the fixing groove, one end of the telescopic spring (206) is fixedly connected to a positioning column (205), and the positioning column (205) is slidably connected in the fixing groove.

6. The liquid food testing sample sampling device according to claim 1, characterized in that: A positioning groove (308) is provided on one side of the limiting block (307), and the positioning groove (308) is adapted to the positioning column (205).

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