Food sampling equipment for food detection

Abstract

The utility model relates to the technical field of food sampling, and discloses food sampling equipment for food detection, which comprises a sampling needle cylinder, a sealing ring is fixedly mounted at the top of the sampling needle cylinder, a fixing groove is formed in the surface of the sealing ring, and a through groove is formed in the inner bottom wall of the fixing groove. According to the food sampling equipment for food detection, when liquid food is encountered, a sampling steel needle is probed into the liquid food, a drawing column is drawn to a proper position according to scales, when solid food is encountered, a twisting ring is rotated to a proper position, and then an operator hooks a lifting handle with the thumb and the index finger, so that a clamping hook is driven by a connecting rod to clamp the liquid food, and the food sampling equipment is used for food detection. According to the food sampling device, when the food sample is sampled, the food sample is rotated and folded inwards, so that on one hand, multifunctional sampling of the food sample is realized, and on the other hand, an operator does not need to touch the food sample in a food sampling process, and experimental data errors caused by bacterial infection of the food are avoided.

Description

Technical Field

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

[0002] Food safety testing is to detect harmful substances in food according to national indicators, mainly some harmful and toxic indicators, such as heavy metals, aflatoxin, etc. In order to ensure food safety, it is necessary to sample and test the food on the market. Food includes solid and liquid. At the same time, in order to avoid human hands touching liquid or solid food for sampling, a food sampling device for food testing is needed.

[0003] A food sampling device for food testing disclosed in publication number CN211504758U, although the utility model is provided with grooves through square movable rods, and the spring in the prompt structure pushes the arc block to contact the groove, so as to vibrate the square movable rod to remind the sampling personnel, and at the same time, the sampling amount is mastered by the number of vibrations. When the sampling device is sampling, the sampling amount does not need to be monitored at any time, so sampling is convenient.

[0004] However, the food sampling device for food testing has the following disadvantages: it is not convenient to select the clamping or extraction function for sampling according to the specific form of the food, which is convenient for manual operation and has high sampling efficiency. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The technical problem solved by the utility model is to provide a food sampling device for food testing which is highly practical, can be simply operated and has a relatively simple structure. It solves the problem raised in the above background technology that it is inconvenient to choose to use the clamping or extraction function for sampling according to the specific form of the food, and is convenient for one-handed operation and has high sampling efficiency.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a food sampling device for food testing, comprising a sampling syringe, a sealing ring fixedly installed on the top of the sampling syringe, a fixing groove is provided on the surface of the sealing ring, a through groove is provided on the inner bottom wall of the fixing groove, a pull-out column is slidably connected inside the through groove, a rubber fixing sheet is fixedly connected to the top of the outer surface of the pull-out column, a thread is provided at the bottom of the outer surface of the sampling syringe, a torsion ring is threadedly connected to the surface of the thread, clamping components are slidably connected to both sides of the top surface of the torsion ring, and a limiting ring is slidably connected to the outer surface of the sampling syringe.

[0009] Optionally, the interior of the fixing groove is snap-connected to the outer surface of the rubber fixing sheet, and the interior of the through groove is adapted to be slidably connected to the outer surface of the pull-out column.

[0010] Optionally, a pull-out handle is fixedly mounted on the top surface of the pull-out column, a pull-out rubber plug is fixedly mounted on the bottom of the pull-out column, and the pull-out rubber plug is adapted to slide inside the sampling syringe.

[0011] Optionally, a non-slip sleeve is sleeved on the top of the outer surface of the sampling syringe, and a metering groove is opened at the thread of the sampling syringe, and centimeter scale lines are engraved inside the metering groove.

[0012] Optionally, the clamping assembly includes lifting handles that are slidably connected to both sides of the top surface of the torsion ring, lifting columns are fixedly installed at the bottom ends of the two lifting handles, connecting rods are fixedly connected to the bottoms of the two lifting columns, one end of the two connecting rods is rotatably connected to a clamping hook, and buffer springs are sleeved on the outer surfaces of the two lifting columns.

[0013] Optionally, the outer surfaces of the two pulling columns are slidably connected to the surface of the torsion ring, one ends of the two clamping hooks are rotatably connected to the bottom of the limiting ring, the tops of the two buffer springs are fixedly connected to the top of the torsion ring, and the bottoms of the two buffer springs are fixedly connected to the top of the limiting ring.

[0014] Optionally, the bottom of the sampling syringe is connected with a connecting cylinder, and the bottom of the connecting cylinder is connected with a sampling steel needle.

[0015] (III) Beneficial effects

[0016] The utility model provides a food sampling device for food testing, which has the following beneficial effects:

[0017] 1. The food sampling device for food testing, through the arrangement of the pulling column and the clamping assembly, when encountering liquid food, the sampling steel needle is inserted into the liquid food, and the pulling column is pulled to a suitable position according to the scale. When encountering solid food, the twisting circle is rotated to a suitable position so that the clamping hook of the clamping assembly exceeds the tip of the sampling steel needle, and then the operator hooks the lifting handle with his thumb and index finger, and the lifting handle rises to drive the lifting column and the connecting rod to rise synchronously, so that the clamping hook is driven by the connecting rod to rotate inward and close, and clamp the solid food. Therefore, the sampling device realizes multifunctional sampling that can extract both liquid food samples and solid food samples on the one hand, and on the other hand ensures that during the food sampling process, the operator does not touch the food sample, thereby avoiding bacterial infection of the food and causing incorrect experimental data.

[0018] 2. The food sampling device for food testing is provided with a fixing groove and a rubber fixing sheet. When liquid food is not sampled, the rubber fixing sheet fixed on the pull-out column is slid downward and engaged with the inside of the fixing groove, so that the pull-out column together with the rubber fixing sheet is sealed and fixed on the sampling syringe, thereby ensuring the sealing of the inside of the sampling syringe, so that the inner wall of the sampling syringe is not contaminated by air dust or bacteria when the sampling syringe is not in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the disassembled structure of the twisting ring and the clamping assembly of the utility model;

[0021] Figure 3 This is a schematic diagram of the disassembled structure of the sampling syringe, twisting ring and limiting ring of the utility model;

[0022] Figure 4 This is a schematic diagram of the internal structure of the sampling syringe of the utility model.

[0023] In the figure: 1. Sampling syringe; 2. Sealing ring; 3. Fixed groove; 4. Through groove; 5. Pull-out column; 6. Rubber fixing plate; 7. Twist ring; 8. Clamping assembly; 801. Lifting handle; 802. Lifting column; 803. Connecting rod; 804. Clamping hook; 805. Buffer spring; 9. Limiting ring; 10. Pull-out handle; 11. Pull-out rubber plug; 12. Anti-slip sleeve; 13. Measuring groove; 14. Connecting tube; 15. Sampling steel needle. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in 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.

[0025] See also Figures 1 to 4The utility model provides a technical solution: a food sampling device for food testing, comprising a sampling syringe 1, a sealing ring 2 is fixedly installed on the top of the sampling syringe 1, a fixing groove 3 is provided on the surface of the sealing ring 2, a through groove 4 is provided on the inner bottom wall of the fixing groove 3, a pull-out column 5 is slidably connected inside the through groove 4, and a rubber fixing sheet 6 is fixedly connected to the top of the outer surface of the pull-out column 5. The sealing performance of the interior of the sampling syringe 1 is ensured by the arrangement of the fixing groove 3 and the rubber fixing sheet 6, so that when the sampling syringe 1 is not in use, the inner wall is not affected by air dust Or bacterial contamination, the bottom of the outer surface of the sampling syringe 1 is provided with a thread, the surface of the thread is threadedly connected with a twisting ring 7, and both sides of the top surface of the twisting ring 7 are slidably connected with a clamping assembly 8. Through the arrangement of the pulling column 5 and the clamping assembly 8, on the one hand, a multifunctional sampling method of extracting both liquid food samples and solid food samples is realized, and on the other hand, it is ensured that during the food sampling process, the operator does not touch the food sample, thereby avoiding bacterial infection of the food and causing errors in the experimental data. The outer surface of the sampling syringe 1 is slidably connected with a limiting ring 9;

[0026] The interior of the fixing groove 3 is clamped on the outer surface of the rubber fixing sheet 6, and the interior of the through groove 4 is adapted to be slidably connected to the outer surface of the pull-out column 5. The through groove 4 is provided to ensure that the pull-out column 5 slides inside the sampling syringe 1.

[0027] A pull handle 10 is fixedly installed on the top surface of the pull column 5, and a pull rubber plug 11 is fixedly installed on the bottom of the pull column 5. The pull rubber plug 11 is adapted to slide inside the sampling syringe 1. The setting of the pull rubber plug 11 plays a role in ensuring the extraction of liquid food samples;

[0028] The top of the outer surface of the sampling syringe 1 is sleeved with an anti-slip sleeve 12, and a metering groove 13 is provided at the thread of the sampling syringe 1. The inside of the metering groove 13 is engraved with centimeter scale lines. The centimeter scale lines set in the metering groove 13 play a role in accurately extracting liquid food samples;

[0029] The clamping assembly 8 includes lifting handles 801 that are slidably connected to both sides of the top surface of the twisting ring 7, and lifting columns 802 are fixedly installed at the bottom ends of the two lifting handles 801. The bottoms of the two lifting columns 802 are fixedly connected with connecting rods 803, and one end of the two connecting rods 803 is rotatably connected with clamping hooks 804. The outer surfaces of the two lifting columns 802 are sleeved with buffer springs 805. The setting of the buffer springs 805 plays a role in buffering the stretching during clamping;

[0030] The outer surfaces of the two lifting columns 802 are slidably connected to the surface of the torsion ring 7, one end of the two clamping hooks 804 are rotatably connected to the bottom of the limiting ring 9, the tops of the two buffer springs 805 are fixedly connected to the top of the torsion ring 7, and the bottoms of the two buffer springs 805 are fixedly connected to the top of the limiting ring 9. The setting of the limiting ring 9 plays a role in fixing the clamping hooks 804;

[0031] The bottom of the sampling syringe 1 is connected with a connecting tube 14, and the bottom of the connecting tube 14 is connected with a sampling steel needle 15. The setting of the sampling steel needle 15 can be used to extract liquid food samples.

[0032] In the utility model, the working steps of the device are as follows:

[0033] Step 1: insert the sampling steel needle 15 into the liquid food, pull the pulling column 5 to a suitable position according to the scale, and when encountering solid food, rotate the twisting ring 7 to a suitable position so that the clamping hook 804 of the clamping assembly 8 exceeds the tip of the sampling steel needle 15, and then the operator's thumb and index finger hook the lifting handle 801, and the lifting handle 801 rises to drive the lifting column 802 and the connecting rod 803 to rise synchronously, so that the clamping hook 804 is driven by the connecting rod 803 to rotate inward and close, and clamp the solid food;

[0034] Step 2: When liquid food is not sampled, the rubber fixing sheet 6 fixed on the pull-out column 5 is slid downward to be engaged with the inside of the fixing groove 3 , so that the pull-out column 5 together with the rubber fixing sheet 6 are sealed and fixed on the sampling syringe 1 .

[0035] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0036] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A food sampling device for food testing, comprising a sampling syringe (1), characterized in that: A sealing ring (2) is fixedly installed on the top of the sampling syringe (1), a fixing groove (3) is provided on the surface of the sealing ring (2), a through groove (4) is provided on the inner bottom wall of the fixing groove (3), a pull-out column (5) is slidably connected inside the through groove (4), a rubber fixing sheet (6) is fixedly connected to the top of the outer surface of the pull-out column (5), a thread is provided on the bottom of the outer surface of the sampling syringe (1), a torsion ring (7) is threadedly connected to the surface of the thread, a clamping assembly (8) is slidably connected to both sides of the top surface of the torsion ring (7), and a limiting ring (9) is slidably connected to the outer surface of the sampling syringe (1).

2. A food sampling device for food testing according to claim 1, characterized in that: The interior of the fixing groove (3) is clamped on the outer surface of the rubber fixing sheet (6), and the interior of the through groove (4) is adapted to be slidably connected to the outer surface of the pull-out column (5).

3. A food sampling device for food testing according to claim 1, characterized in that: A pull handle (10) is fixedly mounted on the top surface of the pull column (5), a pull rubber plug (11) is fixedly mounted on the bottom of the pull column (5), and the pull rubber plug (11) is adapted to slide inside the sampling syringe (1).

4. A food sampling device for food testing according to claim 1, characterized in that: The top of the outer surface of the sampling syringe (1) is sleeved with an anti-slip sleeve (12), and a metering groove (13) is provided at the thread of the sampling syringe (1), and centimeter scale lines are engraved inside the metering groove (13).

5. A food sampling device for food testing according to claim 1, characterized in that: The clamping assembly (8) includes lifting handles (801) that are slidably connected to both sides of the top surface of the torsion ring (7), the bottom ends of the two lifting handles (801) are fixedly installed with lifting columns (802), the bottoms of the two lifting columns (802) are fixedly connected with connecting rods (803), one end of the two connecting rods (803) is rotatably connected with a clamping hook (804), and the outer surfaces of the two lifting columns (802) are sleeved with buffer springs (805).

6. A food sampling device for food testing according to claim 5, characterized in that: The outer surfaces of the two lifting columns (802) are slidably connected to the surface of the torsion ring (7), one end of the two clamping hooks (804) are rotationally connected to the bottom of the limiting ring (9), the tops of the two buffer springs (805) are fixedly connected to the top of the torsion ring (7), and the bottoms of the two buffer springs (805) are fixedly connected to the top of the limiting ring (9).

7. A food sampling device for food testing according to claim 1, characterized in that: The bottom of the sampling syringe (1) is connected through a connecting cylinder (14), and the bottom of the connecting cylinder (14) is connected through a sampling steel needle (15).

Images