A food microorganism rapid detection device for food testing

By setting up protective film covers and easy-to-break parts on the test column and swab of the food microbial rapid detection device, the problem of easy contamination when the swab is removed is solved, and the accuracy of the test results is improved.

CN119529994BActive Publication Date: 2025-05-02TAIAN ZHISHENGTANG GANODERMA CO LTD
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Patent Information

Application Number
CN202411794742.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-05-02
Estimated Expiration
2044-12-09

AI Technical Summary

Technical Problem

Existing food microbial detection devices are susceptible to contamination when the swab is removed from the test tube, resulting in inaccuracy of the test results.

Method used

A rapid detection device for food microorganisms for food testing is designed. By setting a protective film cover and easy-to-break parts on the test column and swab, it ensures that the limit is lifted when the swab moves near the food, so that the protective film cover falls off, thereby preventing contamination.

Benefits of technology

It effectively prevents contamination caused by contact with other objects when taken out, and improves the accuracy of food microbial detection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a food microorganism rapid detection device for food detection, relates to the technical field of food detection, and comprises a fluorescence detector, one side of which is fixedly connected with a fluorescence detection cabin. The food microorganism rapid detection device for food detection is provided with a test column, a swab and a protective film cover. When the test column and the swab are pulled out from the inside of a test tube, the swab can be moved to the vicinity of the food, and then the liquid bag part can be pinched to disconnect the connection between the breakable part and the limit block, thereby releasing the limit on the protective film cover, so that the protective film cover falls off from the outside of the swab, thereby effectively preventing the swab from being moved to the vicinity of the food when the swab is used, causing the swab to contact with the surface of other objects due to the user's carelessness, causing the swab to be contaminated, and then using the swab to collect food samples for food microorganism detection, which affects the accuracy of the detection result, affecting the accuracy of the food microorganism detection result.
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Description

Technical Field

[0001] The invention relates to the technical field of food detection, in particular to a food microorganism rapid detection device for food detection. Background Art

[0002] At present, microorganisms include a large group of organisms including bacteria, viruses, fungi, and some small protozoa, microscopic algae, etc. They are small in size and closely related to humans. They cover many types of beneficial and harmful species, and are widely involved in many fields such as food, medicine, industry and agriculture, environmental protection, and sports. In Chinese textbooks, microorganisms are divided into the following 8 categories: bacteria, viruses, fungi, actinomycetes, rickettsia, mycoplasma, chlamydia, and spirochetes. Some microorganisms can be seen with the naked eye, such as mushrooms, ganoderma, and shiitake mushrooms, which belong to fungi. There are also microorganisms that are a type of "non-cellular organisms" composed of a few components such as nucleic acids and proteins. When conducting microbial testing on food, a swab is required to collect samples. However, when the swab is taken out of the test tube, there is no protective mechanism on the swab surface, which makes it easy for the swab to come into contact with other objects, causing contamination of the swab and affecting the accuracy of the test results. The swab is provided with an easy-to-break part, and the test liquid is stored inside the easy-to-break part. When the user uses the swab, the easy-to-break part is easily broken, causing the test liquid in the swab to leak out, thereby affecting the detection of food microorganisms. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a device for rapid detection of food microorganisms for food testing, which solves the problems raised in the above-mentioned background technology.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a food microorganism rapid detection device for food testing, comprising a fluorescence detector, one side of the fluorescence detector is fixedly connected to a fluorescence detection cabin, one side of the fluorescence detection cabin is fixedly connected to a fixed box, the top of the fluorescence detection cabin is fixedly connected to a top box, the interior of the top box is provided with a placement slot, a test tube is placed inside the placement slot, the top of the test tube is threadedly connected to a threaded cap, the bottom of the threaded cap is fixedly connected to a test column, the top of the threaded cap is fixedly connected to a liquid capsule, a connecting tube is installed inside the test column, one end of the connecting tube extends to the interior of the liquid capsule and is provided with A one-way valve, a swab is provided at the bottom of the test column, an outer cover of the swab is provided with a protective film cover, a plurality of limit blocks are fixedly connected to the top of the protective film cover, a breakable piece is fixedly connected inside the limit blocks, a first driving groove is provided inside the test column and above the breakable piece, one end of the breakable piece extends into the first driving groove and is slidably connected to the inside of the first driving groove, a first liquid bag is provided at the bottom of the inner cavity of the first driving groove and outside the breakable piece, the top of the first liquid bag is connected to the bottom of the top of the breakable piece, a plurality of pipelines are provided on the outside of the connecting tube, and the connecting tube is connected to the inside of the first liquid bag through the pipeline.

[0005] Optionally, a storage cavity is opened inside the test tube, an elastic bag is fixedly connected to one side of the inner cavity of the storage cavity, a sealing anti-stab film is fixedly connected to the inner cavity of the storage cavity and on one side of the elastic bag, a push plate is placed inside the storage cavity and on the right side of the sealing anti-stab film, an easy-to-break part is fixedly connected to the bottom of the elastic bag, a liquid guide tube is fixedly connected inside the test tube and below the easy-to-break part, one end of the liquid guide tube extends to the inside of the storage cavity, and the other end of the liquid guide tube extends to the inner cavity of the test tube, a breaking knife is fixedly connected to one side of the inner cavity of the storage cavity, and the breaking knife is located on one side of the easy-to-break part.

[0006] Optionally, the bottom of the fluorescence detection cabin is fixedly connected to a base, one side of the fluorescence detection cabin is fixedly connected to a piston cylinder, the top of the fixed box inner cavity is fixedly connected to a servo motor, the bottom of the fixed box inner cavity is rotatably connected to a first threaded rod, the output end of the servo motor is fixedly connected to the top of the first threaded rod, the outer side of the first threaded rod is threadedly connected to a first piston column, the bottom end of the first piston column extends to the interior of the piston cylinder and cooperates with the interior of the piston cylinder, one side of the piston cylinder is fixedly connected to a row head, the other side of the piston cylinder is fixedly connected to a suction head, one end of the suction head and the row head both extend into the piston cylinder and are fixedly connected to a one-way valve, one end of the suction head extends to the interior of the base, the bottom of the base is fixedly connected to a plurality of suction cups, the suction cups are all connected to the interior of the base, one side of the base is fixedly connected to a switch valve, one end of the switch valve extends to the interior of the base.

[0007] Optionally, a placement box is slidably connected to the interior of the placement slot, a movable slot is provided inside the top box and below the placement slot, a first return spring is fixedly connected to one side of the inner cavity of the movable slot, one end of the first return spring is fixedly connected to a push block, the top of the push block is fixedly connected to the bottom of the placement box, a third liquid bag is fixedly connected to the other side of the inner cavity of the movable slot, one end of the third liquid bag is fixedly connected to one end of the push block, a second liquid bag is fixedly connected to the top of the inner cavity of the fixed box, the bottom end of the second liquid bag is connected to the top of the first piston column, a connecting tube is fixedly connected to the interior of the fixed box, the bottom end of the connecting tube extends to the interior of the second liquid bag, and the other end of the connecting tube extends to the interior of the third liquid bag.

[0008] Optionally, one side of the placement box is fixedly connected to a guide rail, one side of the guide rail inner cavity is fixedly connected to a second return spring, one end of the second return spring is fixedly connected to a bottom plate, one end of the bottom plate extends to the bottom of the guide rail and extends to the inside of the placement box, the other side of the guide rail inner cavity is fixedly connected to a first airbag, one end of the first airbag is fixedly connected to one side of the bottom plate, two storage grooves are provided inside the placement box, the bottom of the storage groove inner cavity is fixedly connected to a support spring, the top of the support spring is fixedly connected to a top column, the top of the storage groove inner cavity and the outside of the top column are fixedly connected to a third airbag, the bottom end of the third airbag is connected to the top of the bottom end of the top column, the top of the top column extends to the top of the placement box, and a movable cavity is provided inside the top box and at one end of the guide rail.

[0009] Optionally, two fixed blocks are fixedly connected to one side of the top box, a rotating block is rotatably connected between the two fixed blocks, a rack is fixedly connected to the bottom of the rotating block, a second driving groove is opened on the top of the top box, the second driving groove cooperates with the rack, one end of the rack extends into the second driving groove, a rotating rod is rotatably connected inside the second driving groove, and the outer fixed sleeve of the rotating rod is provided with a transmission gear that cooperates with the rack.

[0010] Optionally, a driving chamber is provided inside the top box and below the second driving groove, a second threaded rod is rotatably connected inside the driving chamber, a second piston column is threadedly connected to the outer side of the second threaded rod, a piston chamber is provided inside the top box and below the driving chamber, the bottom end of the second piston column extends into the piston chamber, the top end of the second threaded rod extends into the second driving groove, the second threaded rod and the outer sides of the rotating rod are fixedly sleeved with meshing bevel gears, a hose is fixedly connected inside the top box, one end of the hose extends into the piston chamber, the other end of the hose extends into the guide rail, a pipe is fixedly connected to one side of the hose, the other end of the hose extends into the first airbag, an air cavity is provided inside the placement box, one end of the pipe extends into the air cavity, and the third airbag is communicated with the air cavity through a connector.

[0011] Optionally, one side of the placement box is fixedly connected to a slide rail, one side of the inner cavity of the slide rail is fixedly connected to a third return spring, one end of the third return spring is fixedly connected to a side plate, one side of the side plate extends to the outside of the slide rail, the top of the side plate extends to the top of the slide rail, one side of the side plate is fixedly connected to a first push column, one side of the side plate and below the first push column is fixedly connected to a second push column, one side of the test tube is provided with two sockets, the two sockets respectively cooperate with the first push column and the second push column.

[0012] The present invention provides a food microorganism rapid detection device for food detection, which has the following beneficial effects:

[0013] 1. The food microorganism rapid detection device for food testing is provided with a test column, a swab and a protective film cover. When the test column and the swab are pulled out from the inside of the test tube, the swab can be moved to the vicinity of the food, and then the liquid bag part can be pinched to disconnect the breakable part from the limit block, thereby releasing the limit on the protective film cover, so that the protective film cover falls off from the outside of the swab, thereby effectively preventing the swab from being moved to the vicinity of the food when used, and the swab from contacting with the surface of other objects due to the user's carelessness, causing contamination of the swab, and then using the swab to collect food samples for food microorganism testing, which affects the accuracy of the test results, affecting the accuracy of the food microorganism test results.

[0014] 2. The food microorganism rapid detection device for food detection is provided with a placement box, a side plate and an elastic bag, and the elastic bag is installed inside the test tube, so as to prevent the user from touching the elastic bag when the swab and the test column are not placed into the inner cavity of the test tube during use, so that the detection liquid stored in the elastic bag flows into the inner cavity of the test tube, causing the detection liquid in the inner cavity of the test tube to be contaminated, affecting the accuracy of the food microorganism detection result; when the test tube is shaken by the placement box, the easy-to-break portion is broken by the first push column and the second push column, and the push plate is pushed by the first push column to continuously squeeze the elastic bag, and the detection liquid stored in the elastic bag is discharged into the inner cavity of the test tube through the liquid guide tube, so that the swab is in continuous contact with the detection liquid in the inner cavity of the test tube, so as to detect food microorganisms. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the internal structure of the present invention;

[0016] Figure 2 It is a schematic diagram of the internal structure of part of the present invention;

[0017] Figure 3 For the present invention Figure 2 A magnified image of point A;

[0018] Figure 4 For the present invention Figure 1 The enlarged view of point B;

[0019] Figure 5 For the present invention Figure 1 Enlarged view of point C;

[0020] Figure 6 For the present invention Figure 2 The enlarged view of point D;

[0021] Figure 7 For the present invention Figure 2 Enlarged view of point E.

[0022] In the figure: 1. fluorescence detector; 2. fluorescence detection cabin; 3. fixing box; 4. top box; 5. placing slot; 6. test tube; 7. test column; 8. swab; 9. connecting pipe; 10. first driving slot; 11. first liquid capsule; 12. easy-to-break part; 13. limit block; 14. threaded cap; 15. liquid capsule part; 16. storage chamber; 17. push plate; 18. elastic capsule; 19. jack; 20. sealing anti-puncture film; 21. breaking knife; 22. easy-to-break part; 23. liquid guide tube; 24. placing box; 25. bottom plate; 26. row head; 27. servo motor; 28. first threaded rod; 29. ​​second liquid capsule; 30. piston cylinder; 31. base; 32. first piston column; 33. suction head; 34. suction cup; 35. switch valve; 36. Moving groove; 37. First return spring; 38. Push block; 39. Third liquid bag; 40. Connecting pipe; 41. Fixed block; 42. Rotating block; 43. Rack; 44. Second driving groove; 45. Rotating rod; 46. Transmission gear; 47. Bevel gear; 48. Second threaded rod; 49. Driving chamber; 50. Piston chamber; 51. Second piston column; 52. Hose; 53. Moving chamber; 54. Guide rail; 55. Second return spring; 56. First air bag; 57. Pipeline; 58. Storage groove; 59. Support spring; 60. Third air bag; 61. Top column; 62. Air chamber; 63. Slide rail; 64. Third return spring; 65. Side plate; 66. First push column; 67. Second push column; 68. Protective film cover. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] Embodiment 1

[0025] See also Figures 1 to 7The present invention provides a technical solution: a food microorganism rapid detection device for food detection, comprising a fluorescence detector 1, a fluorescence detection cabin 2 is fixedly connected to one side of the fluorescence detector 1, a fixed box 3 is fixedly connected to one side of the fluorescence detection cabin 2, a top box 4 is fixedly connected to the top of the fluorescence detection cabin 2, a placement slot 5 is provided inside the top box 4, a test tube 6 is placed inside the placement slot 5, a threaded cap 14 is threadedly connected to the top of the test tube 6, a test column 7 is fixedly connected to the bottom of the threaded cap 14, a liquid capsule 15 is fixedly connected to the top of the threaded cap 14, a connecting pipe 9 is installed inside the test column 7, one end of the connecting pipe 9 extends to the inside of the liquid capsule 15 and is provided with a one-way valve, and the bottom of the test column 7 is provided with a A swab 8 is provided, and a protective film cover 68 is provided on the outer cover of the swab 8. A plurality of limit blocks 13 are fixedly connected to the top of the protective film cover 68, and a breakable part 12 is fixedly connected inside the limit blocks 13. A first driving groove 10 is provided inside the test column 7 and above the breakable part 12. One end of the breakable part 12 extends to the inside of the first driving groove 10 and is slidably connected to the inside of the first driving groove 10. A first liquid capsule 11 is provided at the bottom of the inner cavity of the first driving groove 10 and on the outside of the breakable part 12. The top of the first liquid capsule 11 is connected to the bottom of the top of the breakable part 12. A plurality of pipelines are provided on the outside of the connecting tube 9, and the connecting tube 9 is connected to the inside of the first liquid capsule 11 through the pipelines.

[0026] Among them, a storage cavity 16 is opened inside the test tube 6, and an elastic bag 18 is fixedly connected to one side of the inner cavity of the storage cavity 16, and a sealing anti-stab film 20 is fixedly connected to the inner cavity of the storage cavity 16 and on one side of the elastic bag 18, a push plate 17 is placed inside the storage cavity 16 and on the right side of the sealing anti-stab film 20, an easy-to-break part 22 is fixedly connected to the bottom of the elastic bag 18, and a liquid guide tube 23 is fixedly connected inside the test tube 6 and below the easy-to-break part 22, one end of the liquid guide tube 23 extends to the inside of the storage cavity 16, and the other end of the liquid guide tube 23 extends to the inner cavity of the test tube 6, a breaking knife 21 is fixedly connected to one side of the inner cavity of the storage cavity 16, and the breaking knife 21 is located on one side of the easy-to-break part 22, which can effectively prevent the user from accidentally putting the liquid in the elastic bag 18 into the inner cavity of the test tube 6.

[0027] Among them, the bottom of the fluorescence detection cabin 2 is fixedly connected with a base 31, one side of the fluorescence detection cabin 2 is fixedly connected with a piston cylinder 30, the top of the inner cavity of the fixed box 3 is fixedly connected with a servo motor 27, the bottom of the inner cavity of the fixed box 3 is rotatably connected with a first threaded rod 28, the output end of the servo motor 27 is fixedly connected to the top of the first threaded rod 28, the outer side of the first threaded rod 28 is threadedly connected with a first piston column 32, the bottom end of the first piston column 32 extends to the inside of the piston cylinder 30 and cooperates with the inside of the piston cylinder 30, one side of the piston cylinder 30 is fixedly connected with a row head 26, and the other side of the piston cylinder 30 is fixedly connected with a suction head 33. One end of the suction head 33 and the discharge head 26 both extend into the interior of the piston cylinder 30 and are fixedly connected to a one-way valve, one end of the suction head 33 extends into the interior of the base 31, a plurality of suction cups 34 are fixedly connected to the bottom of the base 31, the suction cups 34 are all connected to the interior of the base 31, a switch valve 35 is fixedly connected to one side of the base 31, one end of the switch valve 35 extends into the interior of the base 31, when it is necessary to move the device, open the switch valve 35, so that the base 31 and the interior of the suction cup 34 are connected to the external environment, so that the suction force inside the suction cup 34 disappears, thereby contacting the adsorption limit of the device, thereby facilitating the movement and transportation of the device.

[0028] Among them, a placement box 24 is slidably connected to the inside of the placement groove 5, a moving groove 36 is opened inside the top box 4 and below the placement groove 5, a first return spring 37 is fixedly connected to one side of the inner cavity of the moving groove 36, one end of the first return spring 37 is fixedly connected to a push block 38, the top of the push block 38 is fixedly connected to the bottom of the placement box 24, a third liquid capsule 39 is fixedly connected to the other side of the inner cavity of the moving groove 36, one end of the third liquid capsule 39 is fixedly connected to one end of the push block 38, a second liquid capsule 29 is fixedly connected to the top of the inner cavity of the fixed box 3, the bottom end of the second liquid capsule 29 is connected to the top of the first piston column 32, a connecting tube 40 is fixedly connected to the inside of the fixed box 3, the bottom end of the connecting tube 40 extends to the inside of the second liquid capsule 29, and the other end of the connecting tube 40 extends to the inside of the third liquid capsule 39, which can drive the placement box 24 to move back and forth, so that the swab 8 in the inner cavity of the test tube 6 is fully in contact with the detection liquid in the inner cavity of the test tube 6, so as to carry out food microorganism detection.

[0029] Among them, a guide rail 54 is fixedly connected to one side of the placement box 24, a second return spring 55 is fixedly connected to one side of the inner cavity of the guide rail 54, one end of the second return spring 55 is fixedly connected to the bottom plate 25, one end of the bottom plate 25 extends to the bottom of the guide rail 54 and extends to the inside of the placement box 24, and a first airbag 56 is fixedly connected to the other side of the inner cavity of the guide rail 54, one end of the first airbag 56 is fixedly connected to one side of the bottom plate 25, and two storage grooves 58 are provided inside the placement box 24, and the bottom of the inner cavity of the storage groove 58 is fixedly connected to a support spring 59 The top end of the support spring 59 is fixedly connected to a top column 61, and a third air bag 60 is fixedly connected to the top of the inner cavity of the storage groove 58 and the outside of the top column 61. The bottom end of the third air bag 60 is connected to the top of the bottom end of the top column 61, and the top end of the top column 61 extends to the top of the placement box 24. A movable cavity 53 is opened inside the top box 4 and at one end of the guide rail 54, so that when the placement box 24 moves, the placement box 24 drives one end of the guide rail 54 to move into the movable cavity 53, so that the placement box 24 and the guide rail 54 can move.

[0030] Among them, two fixed blocks 41 are fixedly connected to one side of the top box 4, a rotating block 42 is rotatably connected between the two fixed blocks 41, a rack 43 is fixedly connected to the bottom of the rotating block 42, and a second driving groove 44 is opened on the top of the top box 4, the second driving groove 44 cooperates with the rack 43, one end of the rack 43 extends to the inside of the second driving groove 44, a rotating rod 45 is rotatably connected inside the second driving groove 44, and the outer fixed sleeve of the rotating rod 45 is provided with a transmission gear 46 that cooperates with the rack 43, which can drive the second threaded rod 48 to rotate by opening and closing the rotating block 42.

[0031] A driving chamber 49 is provided inside the top box 4 and below the second driving groove 44, a second threaded rod 48 is rotatably connected inside the driving chamber 49, a second piston column 51 is threadedly connected to the outer side of the second threaded rod 48, a piston chamber 50 is provided inside the top box 4 and below the driving chamber 49, the bottom end of the second piston column 51 extends into the piston chamber 50, the top end of the second threaded rod 48 extends into the second driving groove 44, the second threaded rod 48 and the outer side of the rotating rod 45 are fixedly sleeved with meshing bevel gears 47, and a hose is fixedly connected inside the top box 4. 52, one end of the hose 52 extends to the inside of the piston chamber 50, the other end of the hose 52 extends to the inside of the guide rail 54, one side of the hose 52 is fixedly connected with a pipe 57, the other end of the hose 52 extends to the inside of the first air bag 56, an air cavity 62 is opened inside the placement box 24, one end of the pipe 57 extends to the inside of the air cavity 62, the third air bag 60 is connected to the air cavity 62 through a connector, and the second threaded rod 48 is rotated to move the bottom plate 25 and the top column 61, so as to facilitate the removal of the test tube 6, the test column 7 and the threaded cap 14.

[0032] Embodiment 2

[0033] See also Figures 1 to 3 and Figure 7 The present invention provides a technical solution: a slide rail 63 is fixedly connected to one side of the placement box 24, a third return spring 64 is fixedly connected to one side of the inner cavity of the slide rail 63, one end of the third return spring 64 is fixedly connected to a side plate 65, one side of the side plate 65 extends to the outside of the slide rail 63, and the top of the side plate 65 extends to the top of the slide rail 63, one side of the side plate 65 is fixedly connected to a first push post 66, and a second push post 67 is fixedly connected to one side of the side plate 65 and located below the first push post 66. Two plug holes 19 are provided on one side of the test tube 6, and the two plug holes 19 are respectively matched with the first push post 66 and the second push post 67, so that when the placement box 24 is shaken left and right, the liquid inside the elastic bag 18 can be continuously squeezed, and the easily breakable part 22 can be broken, so that the detection liquid stored in the elastic bag 18 is squeezed into the inner cavity of the test tube 6 to contact the swab 8.

[0034] In summary, when using the food microorganism rapid detection device for food testing, the operator takes out the test tube 6, then twists the threaded cap 14, takes out the test column 7 and the swab 8 from the inside of the test tube 6, and then pinches the threaded cap 14 with his hand. When moving the swab 8 near the food, the operator pinches the liquid capsule part 15 with his fingers. At this time, the liquid in the liquid capsule part 15 enters the inside of the connecting tube 9 through the one-way valve, and then enters the inside of the first liquid capsule 11 through the connecting tube 9, so that the first liquid capsule 11 expands, so that the first liquid capsule 11 pushes the fragile part 12 to move up, and because the limit block 13 is blocked by the test column 7, the fragile part 12 continues to move up, so that the fragile part 12 is separated from the limit block 13, so that the protective film cover 68 falls from the outside of the swab 8, and then the user uses the test column 7, The swab 8 is wiped on the surface of the food to collect the sample, and then the test column 7 and the swab 8 are placed into the test tube 6, and then the threaded cap 14 is screwed so that the threaded cap 14 is screwed on the outside of the top of the test tube 6, so that the test column 7 and the swab 8 are installed in the test tube 6, and then the test tube 6 is placed in the placement box 24 so that the bottom end of the test tube 6 is placed on the top of the bottom plate 25, and then the output end of the servo motor 27 drives the first threaded rod 28 to rotate, so that the first threaded rod 28 drives the first piston column 32 to move upward, and the air inside the suction cup 34 and the base 31 is sucked into the piston cylinder 30 through the suction head 33, and then the output end of the servo motor 27 drives the first threaded rod 28 to reset and rotate, so that the first threaded rod 28 drives the first piston column 32 to move downward, so that the piston cylinder The air inside the suction cup 34 is discharged through the discharge head 26, so that suction is generated inside the suction cup 34, and the device is adsorbed on the table. When the first piston column 32 moves up, the first piston column 32 pushes the liquid inside the second liquid capsule 29 to enter the third liquid capsule 39 through the connecting tube 40, so that the third liquid capsule 39 pushes the push block 38 to squeeze the first return spring 37, so that the push block 38 drives the placement box 24 to move, so that the placement box 24 drives the slide rail 63 to move, and when one side of the inner cavity of the placement slot 5 contacts one side of the side plate 65, the slide rail 63 continues to move, so that the side plate 65 pushes the first push column 66 and the second push column 67 through the two jacks 19 into the storage cavity 16, so that the first push column 66 pushes the push plate 17 to move, and at the same time, the second push column 67 passes through the seal The stab-proof film 20 pushes the easily breakable portion 22 to contact the breaking knife 21, so that the easily breakable portion 22 is broken by the breaking knife 21, so that the liquid inside the elastic bag 18 flows into the storage cavity 16, and then flows into the inner cavity of the test tube 6 through the liquid guide tube 23. At the same time, the first push column 66 pushes the push plate 17 to push the liquid inside the elastic bag 18 through the sealed stab-proof film 20. When the first piston column 32 moves downward, the liquid inside the third liquid bag 39 is sucked into the second liquid bag 29 through the connecting tube 40. At the same time, the first return spring 37 pushes the push block 38 to drive the placement box 24 to return and move, so that the liquid in the test tube 6 inside the placement box 24 is shaken, so that the liquid is fully stirred and contacted with the swab 8. At the same time, the movement of the placement box 24 drives the slide rail 63 and the side plate 65 to return and move.At this time, the third return spring 64 pushes the side plate 65 to return and move, so that the side plate 65 drives the first push column 66 and the second push column 67 to return and move, so that the first push column 66 and the second push column 67 move out of the test tube 6 through the two insertion holes 19. At this time, the elastic capsule 18 is reset by its own elasticity, and moves back and forth until the fixed adsorption work of the device is completed. Then the operator closes the rotating block 42, so that the rotating block 42 drives the rack 43 to rotate out of the second driving groove 44. At this time, the rack 43 drives the transmission gear 46 to rotate, so that the transmission gear 46 drives the rotating rod 45 to rotate, so that the rotating rod 45 drives the second threaded rod 48 to rotate through the bevel gear 47, so that the second threaded rod 48 drives the second piston column 5 1 moves, so that the second piston column 51 moves into the piston chamber 50, so that the second piston column 51 discharges the gas in the piston chamber 50 into the first air bag 56 through the hose 52, so that the first air bag 56 expands and pushes the bottom plate 25 to move toward the outside of the placement box 24, and a part of the gas enters the air chamber 62 through the pipeline 57, and then enters the third air bag 60 through the connector, so that the third air bag 60 pushes the top column 61 to move downward, so that the top column 61 moves into the storage groove 58, so that the bottom end of the test tube 6 does not contact the top of the bottom plate 25, so that the test tube 6 falls into the fluorescence detection cabin 2 through the placement groove 5, and then the rotating block 42 continues to rotate, at this time the rack 43 is released from the transmission gear 46, and then After that, the rotating block 42 continues to rotate to seal the inside of the placement slot 5, and then the liquid in the test tube 6 and the food collected by the swab 8 are tested for the presence of microorganisms. The microorganism detection results are displayed through the fluorescence detector 1 for the user to view. After the detection is completed, the operator opens the rotating block 42. When the rotating block 42 is completely separated from the inside of the placement slot 5, the rotating block 42 continues to rotate, so that the rotating block 42 drives one end of the rack 43 to be inserted into the second driving slot 44, so that the rack 43 contacts the transmission gear 46, so that the transmission gear 46 drives the rotating rod 45 to drive the bevel gear 47 and the second threaded rod 48 to reset and rotate, so that the second threaded rod 48 drives the second piston column 51 to reset and move upward, so that the second piston column 51 51 moves toward the inside of the driving chamber 49, so that the gas inside the third airbag 60 is sucked into the inside of the hose 52 through the connector, the air chamber 62 and the pipe 57, and the gas inside the first airbag 56 is sucked through the hose 52, and then sucked into the inside of the piston chamber 50 through the hose 52, so that the second return spring 55 pushes the bottom plate 25 to move, and the support spring 59 pushes the top column 61 to move upward, so that the top column 61 pushes the threaded cap 14 to move upward, so that the threaded cap 14 and one end of the test tube 6 move to the top of the top box 4, which is convenient for the user to take out the threaded cap 14 and the test tube 6. When taking out the threaded cap 14 and the test tube 6, the second return spring 55 pushes one end of the bottom plate 25 to move toward the inside of the placement box 24, so that it can be used for the next microbial detection of food.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A food microorganism rapid detection device for food testing, comprising a fluorescence detector (1), characterized in that: A fluorescence detection cabin (2) is fixedly connected to one side of the fluorescence detection cabin (1), a fixed box (3) is fixedly connected to one side of the fluorescence detection cabin (2), a top box (4) is fixedly connected to the top of the fluorescence detection cabin (2), a placement slot (5) is provided inside the top box (4), a test tube (6) is placed inside the placement slot (5), a threaded cap (14) is threadedly connected to the top of the test tube (6), a test column (7) is fixedly connected to the bottom of the threaded cap (14), a liquid bag (15) is fixedly connected to the top of the threaded cap (14), a connecting pipe (9) is installed inside the test column (7), one end of the connecting pipe (9) extends to the inside of the liquid bag (15) and is provided with a one-way valve, a swab (8) is provided at the bottom of the test column (7), and an outer cover of the swab (8) is provided. A protective film cover (68) is provided, a plurality of limit blocks (13) are fixedly connected to the top of the protective film cover (68), and a breakable piece (12) is fixedly connected inside the limit blocks (13). A first driving groove (10) is provided inside the test column (7) and above the breakable piece (12), one end of the breakable piece (12) extends into the first driving groove (10) and is slidably connected to the inside of the first driving groove (10), a first liquid capsule (11) is provided at the bottom of the inner cavity of the first driving groove (10) and outside the breakable piece (12), and the top of the first liquid capsule (11) is connected to the bottom of the top of the breakable piece (12), and a plurality of pipelines are provided on the outside of the connecting pipe (9), and the connecting pipe (9) is connected to the inside of the first liquid capsule (11) through the pipelines.

2. A food microorganism rapid detection device for food testing according to claim 1, characterized in that: The test tube (6) is provided with a storage cavity (16) inside, and an elastic bag (18) is fixedly connected to one side of the inner cavity of the storage cavity (16). A sealing anti-stab film (20) is fixedly connected to the inner cavity of the storage cavity (16) and on one side of the elastic bag (18). A push plate (17) is placed inside the storage cavity (16) and on the right side of the sealing anti-stab film (20). An easy-to-break portion (22) is fixedly connected to the bottom of the elastic bag (18). A liquid guide tube (23) is fixedly connected inside the test tube (6) and below the easy-to-break portion (22). One end of the liquid guide tube (23) extends into the inner cavity of the storage cavity (16), and the other end of the liquid guide tube (23) extends into the inner cavity of the test tube (6). A breaking knife (21) is fixedly connected to one side of the inner cavity of the storage cavity (16), and the breaking knife (21) is located on one side of the easy-to-break portion (22).

3. A food microorganism rapid detection device for food detection according to claim 2, characterized in that: The bottom of the fluorescence detection cabin (2) is fixedly connected to a base (31), one side of the fluorescence detection cabin (2) is fixedly connected to a piston cylinder (30), the top of the inner cavity of the fixed box (3) is fixedly connected to a servo motor (27), the bottom of the inner cavity of the fixed box (3) is rotatably connected to a first threaded rod (28), the output end of the servo motor (27) is fixedly connected to the top of the first threaded rod (28), the outer side of the first threaded rod (28) is threadedly connected to a first piston column (32), the bottom end of the first piston column (32) extends into the interior of the piston cylinder (30) and cooperates with the interior of the piston cylinder (30), A discharge head (26) is fixedly connected to one side of the piston cylinder (30), and a suction head (33) is fixedly connected to the other side of the piston cylinder (30). One end of the suction head (33) and the discharge head (26) both extend into the interior of the piston cylinder (30) and are fixedly connected to a one-way valve. One end of the suction head (33) extends into the interior of the base (31). A plurality of suction cups (34) are fixedly connected to the bottom of the base (31). The suction cups (34) are all connected to the interior of the base (31). A switch valve (35) is fixedly connected to one side of the base (31), and one end of the switch valve (35) extends into the interior of the base (31).

4. A food microorganism rapid detection device for food testing according to claim 3, characterized in that: The placing box (24) is slidably connected inside the placing slot (5), a moving slot (36) is provided inside the top box (4) and below the placing slot (5), a first return spring (37) is fixedly connected to one side of the inner cavity of the moving slot (36), a push block (38) is fixedly connected to one end of the first return spring (37), the top end of the push block (38) is fixedly connected to the bottom of the placing box (24), and a third liquid capsule ( 39), one end of the third liquid capsule (39) is fixedly connected to one end of the push block (38), the top of the inner cavity of the fixed box (3) is fixedly connected to the second liquid capsule (29), the bottom end of the second liquid capsule (29) is connected to the top of the first piston column (32), and the interior of the fixed box (3) is fixedly connected to a connecting tube (40), the bottom end of the connecting tube (40) extends to the interior of the second liquid capsule (29), and the other end of the connecting tube (40) extends to the interior of the third liquid capsule (39).

5. A food microorganism rapid detection device for food testing according to claim 4, characterized in that: A guide rail (54) is fixedly connected to one side of the placement box (24); a second return spring (55) is fixedly connected to one side of the inner cavity of the guide rail (54); one end of the second return spring (55) is fixedly connected to the bottom plate (25); one end of the bottom plate (25) extends below the guide rail (54) and extends into the placement box (24); a first air bag (56) is fixedly connected to the other side of the inner cavity of the guide rail (54); one end of the first air bag (56) is fixedly connected to one side of the bottom plate (25); and two air bags (56) are provided inside the placement box (24). A storage groove (58), the bottom of the inner cavity of the storage groove (58) is fixedly connected to a support spring (59), the top of the support spring (59) is fixedly connected to a top column (61), the top of the inner cavity of the storage groove (58) and the outer side of the top column (61) are fixedly connected to a third air bag (60), the bottom end of the third air bag (60) is connected to the top of the bottom end of the top column (61), the top end of the top column (61) extends to the top of the placement box (24), and a movable cavity (53) is opened inside the top box (4) and at one end of the guide rail (54).

6. A food microorganism rapid detection device for food testing according to claim 5, characterized in that: Two fixed blocks (41) are fixedly connected to one side of the top box (4), a rotating block (42) is rotatably connected between the two fixed blocks (41), a rack (43) is fixedly connected to the bottom of the rotating block (42), a second driving groove (44) is opened on the top of the top box (4), the second driving groove (44) is matched with the rack (43), one end of the rack (43) extends into the second driving groove (44), a rotating rod (45) is rotatably connected to the inside of the second driving groove (44), and a transmission gear (46) matched with the rack (43) is fixedly sleeved on the outer side of the rotating rod (45).

7. A food microorganism rapid detection device for food testing according to claim 6, characterized in that: A driving chamber (49) is provided inside the top box (4) and below the second driving groove (44); a second threaded rod (48) is rotatably connected inside the driving chamber (49); a second piston column (51) is threadedly connected to the outer side of the second threaded rod (48); a piston chamber (50) is provided inside the top box (4) and below the driving chamber (49); the bottom end of the second piston column (51) extends into the piston chamber (50); the top end of the second threaded rod (48) extends into the second driving groove (44); the second threaded rod (48) and the outer side of the rotating rod (45) are both fixed. A meshing bevel gear (47) is sleeved therein; a hose (52) is fixedly connected to the interior of the top box (4); one end of the hose (52) extends to the interior of the piston chamber (50); the other end of the hose (52) extends to the interior of the guide rail (54); a pipe (57) is fixedly connected to one side of the hose (52); the other end of the hose (52) extends to the interior of the first airbag (56); an air cavity (62) is opened inside the placement box (24); one end of the pipe (57) extends to the interior of the air cavity (62); the third airbag (60) is connected to the air cavity (62) via a connector.

8. A food microorganism rapid detection device for food testing according to claim 7, characterized in that: A slide rail (63) is fixedly connected to one side of the placement box (24), a third return spring (64) is fixedly connected to one side of the inner cavity of the slide rail (63), one end of the third return spring (64) is fixedly connected to a side plate (65), one side of the side plate (65) extends to the outside of the slide rail (63), the top of the side plate (65) extends to the top of the slide rail (63), one side of the side plate (65) is fixedly connected to a first push column (66), one side of the side plate (65) and located below the first push column (66) is fixedly connected to a second push column (67), one side of the test tube (6) is provided with two insertion holes (19), and the two insertion holes (19) respectively cooperate with the first push column (66) and the second push column (67).

Citation Information

Patent Citations

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    CN208055344U

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