Food safety detection equipment convenient for sampling

Abstract

The invention relates to the technical field of food safety detection equipment, in particular to food safety detection equipment convenient for sampling, which comprises a detection equipment body, the upper end of the detection equipment body is provided with a sample transfer platform, the upper end of the sample transfer platform is provided with a sampling table and a sample placing table, and one side of the sample placing table is provided with a sample introduction mechanism. By adopting the layout of the sampling table, the sample placing table and the sample injection mechanism, stable placement and efficient management of a food detection sample and a mixed solvent are realized, and the sampling cleaning mechanism is additionally arranged, so that residues on the outer surface of a sampling needle tube can be effectively removed, and a drying treatment function is integrated; therefore, the accuracy of sampling data of the sampling mechanism in the continuous sampling process is ensured, the whole structure is reasonably partitioned, the sampling step is not influenced, the sampling mechanism does not need to be additionally disassembled for independent cleaning, the operation process is simplified, and the efficiency and accuracy of food safety detection are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of food safety detection equipment, and specifically to a food safety detection equipment that is convenient for sampling. Background Technique

[0002] In the field of food safety detection, accurate and efficient sampling is a key link to ensure the accuracy of detection results. Traditional food safety detection equipment, especially those using a syringe-type sampling mechanism, although achieving automated sampling to a certain extent, faces a series of challenges in actual applications.

[0003] In the prior art, such as a mass spectrometer for food detection and its use method with the publication number CN113030232B, a vacuum stability device is provided on the connecting pipe fitting. The vacuum stability device includes a trachea breakage alarm component and a vacuum maintenance component. The above document can directly input a liquid sample into the mass spectrometer body for detection without a complex processing process, improving the working efficiency and practicality of the mass spectrometer.

[0004] However, during actual use, after the sampling syringe of the mass spectrometer completes one sampling, the outer surface of the syringe will inevitably have residues of the liquid sample from the previous test tube. If these residues are not cleaned in a timely and effective manner, they will not only become attachment points for dust and other pollutants, and may gradually accumulate to form blockages, affecting the flow rate and sampling efficiency of the syringe. More seriously, these residues may also interfere with the chemical composition analysis of subsequent sampling, resulting in deviations in sampling data and affecting the accuracy of food safety assessment.

[0005] Therefore, the present invention proposes a food safety detection equipment that is convenient for sampling to solve the problem that after the existing sampling syringe completes one sampling, the outer surface of the syringe will inevitably have residues of the liquid sample from the previous test tube, thereby interfering with the chemical composition analysis of subsequent sampling and resulting in deviations in sampling data. Summary of the Invention

[0006] Aiming at the deficiencies of the prior art, the purpose of the present invention is to provide a food safety detection equipment that is convenient for sampling to solve the problems raised in the above background technique.

[0007] To achieve the above object, the present invention provides the following technical solution: A food safety detection device convenient for sampling, including a detection device body, a sample transfer platform is installed at the upper end of the detection device body, a sampling table and a sample placing table are arranged on the upper end of the sample transfer platform, a sample injection mechanism is arranged on one side of the sample placing table, a rotating disk is movably installed on the sample placing table, a protective platform is fixedly installed on the upper end of the rotating disk, a central column is fixedly connected to the center of the protective platform, an operating platform is arranged at the upper end of the central column, a conduction mechanism is arranged in the inner cavity of the operating platform, a cleaning table and a sample table are fixedly installed on the outer ring surface of the operating platform, a sampling cleaning mechanism is arranged on the cleaning table, and an auxiliary sample placing mechanism is arranged on the sample table. The sampling cleaning mechanism includes a cleaning cylinder, and the auxiliary sample placing mechanism includes a sample placing cylinder.

[0008] Preferably, the conduction mechanism includes a gas generator and a central tube. The gas generator is movably embedded in the upper end of the operating platform. The two ends of the central tube are respectively fixedly connected to the inner cavity of the operating platform. The output end of the gas generator is embedded and connected to the upper end of the central tube. The air outlet ends of the central tube are respectively connected and communicated with a first guide tube and a second guide tube. The output end of the first guide tube is connected and communicated with the inner wall of the upper end of the cleaning cylinder. The output end of the second guide tube is connected and communicated with the inner wall of the upper end of the sample placing cylinder.

[0009] Preferably, flow holes are uniformly formed in the inner wall of the upper end of the cleaning cylinder. A sewage discharge pipe is connected and communicated with the inner wall of the lower end side of the cleaning cylinder. The output end of the sewage discharge pipe is hermetically connected to a sewage collection ring. The sewage collection ring is arranged on the upper end of the protective platform. A sewage discharge valve is formed in the inner wall of one side of the sewage collection ring.

[0010] Preferably, a connecting pipe is fixedly connected to the inner wall of the lower end of the cleaning cylinder. The lower end of the connecting pipe extends into the inner cavity of the rotating disk. An annular sealing plate is fixedly installed at the upper end of the connecting pipe. A first sealing ring is fixedly installed on the outer ring surface of the annular sealing plate. The outer surface of the first sealing ring is fixedly connected to the inner wall of the cleaning cylinder. A central ring platform is fixedly added to the inner wall of the center of the connecting pipe. A first sleeve pipe is movably connected to the inner surface of the central ring platform. A sealing block is fixedly connected to the lower end of the first sleeve pipe. A second sealing ring is sleeved and installed on the upper side of the sealing block. The upper surface of the second sealing ring is movably abutted against the lower surface of the central ring platform. Water inlet holes are respectively formed in the outer wall of the lower side of the first sleeve pipe.

[0011] Preferably, a spring is fixedly connected to the upper surface of the central ring platform. The other end of the spring is fixedly connected to a second sleeve pipe. The lower end of the second sleeve pipe is fixedly connected to the upper end of the spring. The inner wall of the lower end of the second sleeve pipe is threadedly connected to the outer surface of the upper side of the first sleeve pipe. A flow guiding member and an extrusion member are arranged at the upper end of the second sleeve pipe.

[0012] Preferably, the guide member includes a fixing ring and a guide cover, the fixing ring is fixedly mounted on the upper end outer surface of the sleeve tube 2, the inner ring surface of the guide cover is threadedly connected to the outer surface of the fixing ring, the guide cover is a conical bucket-shaped structure, and liquid spray holes are respectively arranged on the outer peripheral inner wall of the guide cover.

[0013] Preferably, the extrusion part includes a connecting bushing and an annular wheel plate, the connecting bushing is fixedly mounted on the upper outer surface of the sleeve tube 2, the annular wheel plate is fixedly mounted on the outside of the connecting bushing, a diagonal support block is fixedly mounted on the upper surface of the annular wheel plate, an elastic pressing strip is fixedly connected to the upper end of the diagonal support block, and an anti-slip strip is fixedly added to the outer curved surface of the elastic pressing strip.

[0014] Preferably, the outer surface of the sample placing tube is fixedly connected to the inner wall of the sample table, the inner cavity of the sample placing tube is provided with a placing groove, an annular plate 2 is fixedly installed on the upper end of the sample placing tube, the annular plate 2 is a hollow cavity structure, an annular air tube is provided inside the annular plate 2, one side inner wall of the annular air tube is through-connected to the output end of the air guide tube 2, and the inner ring surface of the annular air tube is sealed and connected to a branch air bag.

[0015] Preferably, a guide bar is fixedly mounted on the inner annular surface of the annular plate 2, a clamping block is movably connected to the inner surface of the guide bar, and the back side of the clamping block is movably abutted against the outer surface of the branch airbag.

[0016] Preferably, the injection mechanism includes an injection barrel and a sampling needle tube, an auxiliary flexible sleeve is fixedly mounted on the outer surface of the lower end of the injection barrel, a conical groove plate is arranged on the inner wall of the outer ring of the auxiliary flexible sleeve, the conical groove plate is a cone-shaped frame structure which is wide outside and narrow inside, and the sampling needle tube is movably mounted inside the injection barrel.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The present invention proposes a food safety testing equipment which is convenient for sampling. By adopting the layout of a sampling table, a sample placement table and a sampling mechanism, the stable placement and efficient management of food testing samples and mixed solvents are achieved. A sampling cleaning mechanism is added, which can not only effectively remove the residues on the outer surface of the sampling needle tube, but also integrates a drying processing function, thereby ensuring the accuracy of the sampling data of the sampling mechanism during the continuous sampling process. The overall structure is reasonably divided and does not affect the sampling steps. There is no need to disassemble the sampling mechanism for separate cleaning, which simplifies the operating process and improves the efficiency and accuracy of food safety testing. At the same time, the design of the auxiliary sampling mechanism further optimizes the placement and use of the sample, and enhances the overall practicality and convenience of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1Schematic diagram of the three-dimensional structure of the present invention;

[0020] Figure 2 Schematic diagram of the connection structure between the sample transfer platform and the sample injection mechanism of the present invention;

[0021] Figure 3 For the present invention Figure 2 Schematic diagram of the side view sectional structure;

[0022] Figure 4 Schematic diagram of the three-dimensional structure of the lofting table of the present invention;

[0023] Figure 5 For the present invention Figure 4 Schematic diagram of the top view sectional structure;

[0024] Figure 6 Schematic diagram of the state of the removal auxiliary lofting mechanism of the present invention;

[0025] Figure 7 For the present invention Figure 5 Schematic diagram of the side view half-sectional structure;

[0026] Figure 8 For the present invention Figure 7 Schematic diagram of the enlarged structure at position A;

[0027] Figure 9 For the present invention Figure 8 Schematic diagram of the enlarged structure at position A1;

[0028] Figure 10 Schematic diagram of the three-dimensional structure of a single group of cleaning cylinders of the present invention;

[0029] Figure 11 For the present invention Figure 10 Schematic diagram of the three-dimensional disassembly structure;

[0030] Figure 12 Schematic diagram of the partial half-sectional structure of the sampling and cleaning mechanism of the present invention;

[0031] Figure 13 Schematic diagram of the three-dimensional structure of the sampling and cleaning mechanism of the present invention;

[0032] Figure 14 Schematic diagram of the half-sectional structure of the sample injection mechanism of the present invention;

[0033] Figure 15 Schematic diagram of the half-sectional structure of a single group of sample placement cylinders of the present invention.

[0034] In the figure: 1. Detection equipment body; 2. Specimen transfer platform; 21. Rotating disk; 211. Partition board; 212. Clear water tank; 213. Cleaning liquid chamber; 22. Protective platform; 23. Central column; 24. Operating table; 241. Gas generator; 242. Central tube; 2421. First air duct; 2422. Second air duct; 25. Cleaning table; 26. Sample table; 251. First annular plate; 3. Cleaning cylinder; 30. Circulation hole; 31. Drain pipe; 32. Dirt collection ring; 33. Connecting pipe; 330. Central annular platform; 3330. Water inlet hole; 331. Annular sealing plate; 3311. First sealing ring; 332. Spring; 333. First sleeve pipe; 334. Second sleeve pipe; 3331. Sealing block; 3332. Second sealing ring; 335. Socket seat; 3350. Hopper-shaped hole; 33500. Spiral groove; 3351. Sealing plug; 3352. Connecting top plate; 3353. Guide post; 336. Annular wheel plate; 3361. Diagonal support block; 3362. Elastic pressing strip; 337. Fixed ring; 3371. Flow guide cover; 3372. Liquid spraying hole; 4. Sample placing cylinder; 41. Second annular plate; 42. Annular air pipe; 421. Branch air bag; 43. Guide strip; 431. Clamping block; 5. Sampling cylinder; 51. Sampling syringe; 52. Auxiliary flexible sleeve seat; 521. Tapered groove plate. Detailed implementation mode

[0035] In order to clearly and completely describe the purpose, technical solution of the present invention and make the advantages more clear, the following further details the embodiments of the present invention with reference to the attached drawings. It should be understood that the specific embodiments described here are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, not to limit the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

[0036] Embodiment 1, please refer to Figures 1 - 15, the present invention provides a technical solution: a food safety detection device convenient for sampling, including a detection device body 1. An upper end of the detection device body 1 is installed with a sample transfer platform 2. An upper end of the sample transfer platform 2 is provided with a sampling table and a sample placing table. One side of the sample placing table is provided with a sample injection mechanism. A rotating disk 21 is movably installed on the sample placing table. An upper end of the rotating disk 21 is fixedly installed with a protection platform 22. A center column 23 is fixedly connected to a center of the protection platform 22. An upper end of the center column 23 is provided with an operation table 24. A conduction mechanism is arranged in an inner cavity of the operation table 24. A cleaning table 25 and a sample table 26 are fixedly installed on an outer ring surface of the operation table 24. A sampling cleaning mechanism is arranged on the cleaning table 25. An auxiliary sample placing mechanism is arranged on the sample table 26. The sampling cleaning mechanism includes a cleaning cylinder 3. The auxiliary sample placing mechanism includes a sample placing cylinder 4; A partition plate 211 is fixedly installed at a center of an inner cavity of the rotating disk 21. Two sides of the partition plate 211 are respectively arranged as storage cavities. A water tank 212 and a cleaning liquid cavity 213 are respectively installed in the storage cavities for separately storing clear water and cleaning liquid. Structures of the cleaning cylinders 3 connected to upper ends of the water tank 212 and the cleaning liquid cavity 213 are the same, and input ends of connecting pipes 33 are all connected with booster pumps for pumping clear water or cleaning liquid; The conduction mechanism includes a gas generator 241 and a center pipe 242. The gas generator 241 is movably embedded in an upper end of the operation table 24. Two ends of the center pipe 242 are respectively fixedly connected to an inner cavity of the operation table 24. An output end of the gas generator 241 is embedded and connected to an upper end of the center pipe 242. Air outlet ends of the center pipe 242 are respectively and communicatively connected with a first air guide pipe 2421 and a second air guide pipe 2422. An output end of the first air guide pipe 2421 is communicatively connected with an inner wall of an upper end of the cleaning cylinder 3. An output end of the second air guide pipe 2422 is communicatively connected with an inner wall of an upper end of the sample placing cylinder 4; The sample injection mechanism includes a sample injection cylinder 5 and a sampling syringe 51. An outer surface of a lower end of the sample injection cylinder 5 is fixedly installed with an auxiliary soft sleeve seat 52. A tapered groove plate 521 is arranged on an inner wall of an outer ring of the auxiliary soft sleeve seat 52. The tapered groove plate 521 is a tapered frame structure with a wide outer part and a narrow inner part. The sampling syringe 51 is movably installed inside the sample injection cylinder 5;

[0037] In this embodiment, an electric telescopic rod is provided at the upper end of the sampling cylinder 5. The sampling mechanism controls the overall longitudinal movement of the sampling cylinder 5 through the electric telescopic rod. Here, the bottom of the auxiliary soft sleeve seat 52 is designed with a soft elastic silicone material, specifically high-temperature vulcanized silicone. When the sampling cylinder 5 descends as a whole and contacts the top of the sampling and cleaning mechanism, it presses down on the extrusion part to control the ejection of cleaning water or cleaning liquid to clean the bottom of the sampling needle tube 51. At the same time, the reason for evenly opening conical groove plates 521 on the side wall of the auxiliary soft sleeve seat 52 is that such a design can assist in drying the gas entering the annular plate 1-251 and the through hole 30, realizing the function of first cleaning and then drying the sampling needle tube 51, avoiding the retention of liquid stains on the needle tube part of the sampling needle tube 51 and interfering with subsequent sampling and detection data. It should be noted that a piston rod is provided inside the sampling needle tube 51, and here the piston rod can move up and down inside the sampling needle tube 51 through the control system to achieve sampling at the position of the needle tip.

[0038] Embodiment 2, refer to the appendix Figures 1 - 15, on the basis of the first embodiment, in order to achieve automatic cleaning of the sampling needle tube 51: through holes 30 are evenly formed in the inner wall of the upper end of the cleaning cylinder 3, a sewage discharge pipe 31 is connected through the inner wall of one side of the lower end of the cleaning cylinder 3, the output end of the sewage discharge pipe 31 is hermetically connected with a sewage collection ring 32, the sewage collection ring 32 is arranged on the upper end of the protection platform 22, and a sewage discharge valve is formed in the inner wall of one side of the sewage collection ring 32; a connecting pipe 33 is fixedly connected to the inner wall of the lower end of the cleaning cylinder 3, the lower end of the connecting pipe 33 extends into the inner cavity of the rotating disk 21, an annular sealing plate 331 is fixedly installed at the upper end of the connecting pipe 33, a first sealing ring 3311 is fixedly installed on the outer ring surface of the annular sealing plate 331, the outer surface of the first sealing ring 3311 is fixedly connected with the inner wall of the cleaning cylinder 3, a central ring platform 330 is fixedly added to the inner wall of the center of the connecting pipe 33, a first sleeve pipe 333 is movably connected to the inner surface of the central ring platform 330, a sealing block 3331 is fixedly connected to the lower end of the first sleeve pipe 333, a second sealing ring 3332 is sleeved and installed on the upper side of the sealing block 3331, and the upper surface of the second sealing ring 3332 is movably abutted against the lower surface of the central ring platform 330; water inlet holes 3330 are respectively formed in the outer wall of the lower side of the first sleeve pipe 333; a spring 332 is fixedly connected to the upper surface of the central ring platform 330, the other end of the spring 332 is fixedly connected with a second sleeve pipe 334, the lower end of the second sleeve pipe 334 is fixedly connected with the upper end of the spring 332, the inner wall of the lower end of the second sleeve pipe 334 is in threaded connection with the outer surface of the upper side of the first sleeve pipe 333, and a flow guiding member and an extrusion member are arranged at the upper end of the second sleeve pipe 334; the extrusion member includes a connecting bushing and an annular wheel plate 336, the connecting bushing is fixedly installed on the outer surface of the upper side of the second sleeve pipe 334, the annular wheel plate 336 is fixedly installed on the outside of the connecting bushing, an inclined support block 3361 is fixedly installed on the upper surface of the annular wheel plate 336, an elastic pressing strip 3362 is fixedly connected to the upper end of the inclined support block 3361, and anti-slip strips are fixedly added to the outer curved surface of the elastic pressing strip 3362;

[0039] In this embodiment, before or after sampling a certain test tube solvent with the sampling syringe 51, when it is necessary to clean the sampling syringe 51, first control the overall rotation of the rotating disk 21 so that the cleaning cylinder 3 is at the sampling position directly below the sampling syringe 51. Drive the entire sampling cylinder 5 to descend through the control of the electric telescopic rod, and the bottom of the auxiliary soft seat 52 takes the lead to contact the top of the annular wheel plate 336. Under the control of the electric telescopic rod, the auxiliary soft seat 52 continues to press down. At this time, the annular wheel plate 336 drives the second sleeve pipe 334 and the first sleeve pipe 333 to continue to move downward. When the downward extrusion force is greater than the acting force of the spring 332, resist the elastic acting force of the spring 332, causing the spring 332 to produce a compressive deformation. At this time, the first sleeve pipe 333 gradually descends, and the water inlet hole 3330 changes from the blocked state by the central ring platform 330 to an open state. At this time, the pressurized liquid enters the channel formed by the first sleeve pipe 333 and the second sleeve pipe 334 through the water inlet hole 3330, and finally sprays out from the top of the second sleeve pipe 334 to realize the flushing of the sampling syringe 51 inside the auxiliary soft seat 52. It should be noted that the annular wheel plate 336 is connected to the outer side of the upper end of the second sleeve pipe 334 through a connecting bushing to support the annular wheel plate 336, and through the cooperation of the inclined support block 3361 connected to the upper end of the annular wheel plate 336 and the elastic pressing strip 3362, the inclined support block 3361 can provide support for the elastic pressing strip 3362. The elastic pressing strip 3362 contacts the bottom of the auxiliary soft seat 52, and through the added anti-slip strips, the stable effect during the cleaning of the sampling syringe 51 is maintained.

[0040] And it should be noted that an annular plate one 251 is provided at the upper end of the cleaning cylinder 3, which is in communication with the first air guide pipe 2421. When the gas is ejected through the first air guide pipe 2421, the gas is stored through the annular plate one 251 and uniformly blown towards the auxiliary soft seat 52 through a plurality of flow holes 30. At this time, through the special design of the conical groove plate 521, it is convenient for the air flow to enter quickly, and through the design of wider outside and narrower inside, the gas flow rate is increased to ensure auxiliary drying can still be realized after cleaning. It should be noted that a breathable membrane is provided inside the flow hole 30 to block the discharge of liquid but not prevent the flow of gas.

[0041] Example three, refer to the attached Figures 1 - 15, on the basis of the second embodiment, in order to achieve the guiding flow of the spraying liquid and avoid directly impacting the needle position of the sampling needle tube 51 head-on and causing damage: the flow guiding member includes a fixing ring 337 and a flow guiding cover 3371. The fixing ring 337 is fixedly installed on the outer surface of the upper end of the second sleeve pipe 334. The inner ring surface of the flow guiding cover 3371 is threadedly connected to the outer surface of the fixing ring 337. The flow guiding cover 3371 has a conical hopper-shaped structure, and liquid spraying holes 3372 are respectively arranged on the outer peripheral inner wall of the flow guiding cover 3371. A buffer member is arranged inside the upper end of the second sleeve pipe 334. The buffer member includes a socket seat 335. A hopper-shaped hole 3350 is arranged at the lower end of the socket seat 335. A conical cavity is penetrated and opened at the upper end of the hopper-shaped hole 3350. Spiral grooves 33500 are uniformly opened on the side wall of the conical cavity. A sealing plug 3351 is movably installed at the center of the conical cavity. The outer surface of the lower end of the sealing plug 3351 is movably abutted against the upper inner wall of the hopper-shaped hole 3350. A connecting top plate 3352 is fixedly installed at the upper end of the sealing plug 3351. A guiding column 3353 is movably connected to the inner wall of the outer ring of the connecting top plate 3352. The two ends of the guiding column 3353 are respectively fixedly connected to the upper end of the second sleeve pipe 334 and the inner top surface of the flow guiding cover 3371;

[0042] In this embodiment, by designing a buffer member inside the fixed end of the second sleeve pipe 334, when the cleaning liquid is output upward through the second sleeve pipe 334, due to the special design of the hopper-shaped hole 3350, it helps the guiding flow of the liquid. When the spraying pressure reaches a certain level, the sealing plug 3351 is pushed upward by the high-pressure liquid at the bottom, releasing the channel between the hopper-shaped hole 3350 and the conical cavity. At this time, the sealing plug 3351 drives the connecting top plate 3352 to move upward, and at the same time opens the channel at the top of the second sleeve pipe 334. Finally, the liquid enters the inside of the flow guiding cover 3371 and sprays out through a plurality of groups of uniformly arranged liquid spraying holes 3372. At this time, the liquid spraying holes 3372 do not directly spray against the needle position of the sampling needle tube 51 to avoid damaging the needle. It should be noted that the reason for arranging the uniform spiral grooves 33500 inside the conical cavity is to enhance the guiding effect of the water flow, and through the setting of the buffer member, it can resist the direct spraying of the high-pressure liquid and make the water flow reach the effect of uniform buffering at the water outlet position.

[0043] Example Four, referring to the appendix Figures 1 - 15, on the basis of Embodiment III, in order to realize the auxiliary clamping of the internal mixing solvent bottle and the sample bottle in the sample placing cylinder 4 and prevent the situation of tipping during sampling or shaking during turnover: the outer surface of the sample placing cylinder 4 is fixedly connected to the inner wall of the sample table 26, a placing groove is arranged in the inner cavity of the sample placing cylinder 4, a second annular plate 41 is fixedly installed at the upper end of the sample placing cylinder 4, the second annular plate 41 is of a hollow cavity structure, an annular air pipe 42 is arranged inside the second annular plate 41, one inner wall of the annular air pipe 42 is in through connection with the output end of the second guide air pipe 2422, and a branch airbag 421 is hermetically connected to the inner ring surface of the annular air pipe 42; a guide strip 43 is fixedly installed on the inner circumferential surface of the second annular plate 41, a clamping block 431 is movably connected to the inner surface of the guide strip 43, and the back side of the clamping block 431 is movably abutted against the outer surface of the branch airbag 421;

[0044] In this embodiment, when the second guide air pipe 2422 passes through gas, the gas is transported to the annular air pipe 42, so that a plurality of groups of branch airbags 421 expand, thereby pushing the clamping blocks 431 inward. At this time, a plurality of groups of clamping blocks 431 clamp the middle bottle body to prevent tipping. It should be noted that the second annular plate 41 here not only plays a role in integrating the upper end notch of the sample placing cylinder 4, but also can protect the annular air pipe 42 and the branch airbags 421. Through the design of the ventilation and guiding mechanism, it can not only realize the auxiliary drying after cleaning, but also play the effect of clamping the bottle body, achieving the function of multi-purpose use.

[0045] Embodiment V, referring to the attached Figures 1 - 15 , on the basis of Embodiment IV, the present invention also proposes a use method of a food safety detection device convenient for sampling, including the following steps:

[0046] Step 1, equipment preparation and sample placement: Place the food safety sample to be detected on the sampling table of the equipment, grab the sample bottle to be detected and place it in a certain sample placing cylinder 4 on the sample placing table, and place different mixing solvents in the remaining sample placing cylinders 4;

[0047] Step 2, sample sampling and injection: Before sampling a certain test tube solvent or after injection with the sampling syringe 51, when the sampling syringe 51 needs to be cleaned, first control the overall rotation of the rotating disk 21, and the cleaning cylinder 3 is at the sampling position directly below the sampling syringe 51. Drive the injection cylinder 5 to descend as a whole through the control of the electric telescopic rod, and the bottom of the auxiliary soft sleeve seat 52 first contacts the top of the annular wheel plate 336. Under the control of the electric telescopic rod, the auxiliary soft sleeve seat 52 continues to press down, and the water inlet hole 3330 changes from the blocked state by the central ring platform 330 to the open state. At this time, the pressurized liquid enters the channel formed by the first sleeve pipe 333 and the second sleeve pipe 334 through the water inlet hole 3330, and finally sprays out from the top of the second sleeve pipe 334;

[0048] Step 3, drying treatment: After cleaning, gas is conveyed to the sample introduction mechanism through the conduction mechanism to achieve the drying effect and avoid residual liquid stains from interfering with subsequent sampling and detection data.

[0049] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A food safety testing device that is convenient for sampling, comprising a testing device body (1), characterized in that: A sample circulation platform (2) is installed at the upper end of the detection device body (1), a sampling platform and a sample placement platform are arranged at the upper end of the sample circulation platform (2), a sample introduction mechanism is arranged on one side of the sample placement platform, a rotating disk (21) is movably installed on the sample placement platform, a protective platform (22) is fixedly installed at the upper end of the rotating disk (21), a center column (23) is fixedly connected to the center of the protective platform (22), an operating table (24) is arranged at the upper end of the center column (23), a guide mechanism is arranged in the inner cavity of the operating table (24), a cleaning table (25) and a sample table (26) are fixedly installed on the outer ring surface of the operating table (24), a sampling cleaning mechanism is arranged on the cleaning table (25), an auxiliary sample placement mechanism is arranged on the sample table (26), the sampling cleaning mechanism includes a cleaning cylinder (3), and the auxiliary sample placement mechanism includes a sample placement cylinder (4).

2. A food safety testing device that is convenient for sampling according to claim 1, characterized in that: The communication mechanism comprises a gas generator (241) and a central tube (242); the gas generator (241) is movably embedded in the upper end of the operating table (24); the two ends of the central tube (242) are respectively fixedly connected to the inner cavity of the operating table (24); the output end of the gas generator (241) is embedded in the upper end of the central tube (242); the gas outlet end of the central tube (242) is respectively connected to a first air guide tube (2421) and a second air guide tube (2422); the output end of the first air guide tube (2421) is connected to the inner wall of the upper end of the cleaning cylinder (3); and the output end of the second air guide tube (2422) is connected to the inner wall of the upper end of the sample placement cylinder (4).

3. A food safety testing device that is convenient for sampling according to claim 2, characterized in that: The inner wall of the upper end of the cleaning cylinder (3) is evenly provided with flow holes (30); the inner wall of one side of the lower end of the cleaning cylinder (3) is connected with a sewage discharge pipe (31); the output end of the sewage discharge pipe (31) is sealed with a sewage collecting ring (32); the sewage collecting ring (32) is arranged at the upper end of the protection platform (22); and a sewage discharge valve is provided on the inner wall of one side of the sewage collecting ring (32).

4. A food safety testing device that facilitates sampling according to claim 3, characterized in that: A connecting pipe (33) is fixedly connected to the inner wall of the lower end of the cleaning cylinder (3), the lower end of the connecting pipe (33) extends to the inner cavity of the rotating disk (21), an annular sealing plate (331) is fixedly installed on the upper end of the connecting pipe (33), a sealing ring (3311) is fixedly installed on the outer ring surface of the annular sealing plate (331), the outer surface of the sealing ring (3311) is fixedly connected to the inner wall of the cleaning cylinder (3), and a sealing ring (3311) is fixedly provided on the central inner wall of the connecting pipe (33). A central ring platform (330) is provided, the inner surface of the central ring platform (330) is movably connected with a sleeve tube (333), the lower end of the sleeve tube (333) is fixedly connected with a sealing block (3331), a sealing ring (3332) is sleeved and installed on the upper side of the sealing block (3331), the upper surface of the sealing ring (3332) is movably abutted against the lower surface of the central ring platform (330), and water inlet holes (3330) are respectively opened on the lower outer wall of the sleeve tube (333).

5. The food safety testing device for facilitating sampling according to claim 4, characterized in that: The upper surface of the central ring platform (330) is fixedly connected to a spring (332), the other end of the spring (332) is fixedly connected to a second sleeve tube (334), the lower end of the second sleeve tube (334) is fixedly connected to the upper end of the spring (332), the lower end inner wall of the second sleeve tube (334) is threadedly connected to the upper outer surface of the first sleeve tube (333), and the upper end of the second sleeve tube (334) is provided with a flow guide and an extrusion member.

6. The food safety testing device for facilitating sampling according to claim 5, characterized in that: The flow guide member comprises a fixing ring (337) and a flow guide cover (3371); the fixing ring (337) is fixedly mounted on the outer surface of the upper end of the sleeve tube 2 (334); the inner ring surface of the flow guide cover (3371) is threadedly connected to the outer surface of the fixing ring (337); the flow guide cover (3371) is a conical bucket-shaped structure; and liquid spray holes (3372) are respectively arranged on the inner wall of the outer periphery of the flow guide cover (3371).

7. The food safety testing device for facilitating sampling according to claim 6, characterized in that: The extrusion part includes a connecting bushing and an annular wheel plate (336), wherein the connecting bushing is fixedly mounted on the upper outer surface of the sleeve tube 2 (334), and the annular wheel plate (336) is fixedly mounted on the outside of the connecting bushing, and a diagonal support block (3361) is fixedly mounted on the upper surface of the annular wheel plate (336), and an elastic pressing strip (3362) is fixedly connected to the upper end of the diagonal support block (3361), and an anti-slip strip is fixedly added on the outer curved surface of the elastic pressing strip (3362).

8. The food safety testing device for facilitating sampling according to claim 1, characterized in that: The outer surface of the sample placement tube (4) is fixedly connected to the inner wall of the sample stage (26); the inner cavity of the sample placement tube (4) is provided with a placement groove; the upper end of the sample placement tube (4) is fixedly mounted with an annular plate (41); the annular plate (41) is a hollow cavity structure; an annular air tube (42) is provided inside the annular plate (41); the inner wall of one side of the annular air tube (42) is through-connected with the output end of the second air guide tube (2422); the inner ring surface of the annular air tube (42) is sealedly connected with a branch air bag (421).

9. The food safety testing device for facilitating sampling according to claim 8, characterized in that: A guide bar (43) is fixedly mounted on the inner annular surface of the annular plate 2 (41), and a clamping block (431) is movably connected to the inner surface of the guide bar (43), and the back side of the clamping block (431) is movably in contact with the outer surface of the branch airbag (421).

10. The food safety testing device for facilitating sampling according to claim 1, characterized in that: The injection mechanism comprises an injection cylinder (5) and a sampling needle tube (51); an auxiliary soft sleeve (52) is fixedly mounted on the outer surface of the lower end of the injection cylinder (5); a conical groove plate (521) is arranged on the inner wall of the outer ring of the auxiliary soft sleeve (52); the conical groove plate (521) is in the form of a cone-shaped frame structure that is wide outside and narrow inside; and the sampling needle tube (51) is movably mounted inside the injection cylinder (5).

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