Food safety detection device for food microorganism detection

Abstract

The invention relates to the technical field of microbiological detection, in particular to a food safety detection device for food microbiological detection. According to the technical scheme, the liquid mixing piece comprises a wheel disc, outer fixing barrels, inner vibration barrels, vibration springs, butt joint springs, test tubes and a middle piece, the multiple annularly-distributed outer fixing barrels are fixedly installed on the side portion of the wheel disc, and the inner vibration barrels are arranged in the outer fixing barrels; a vibration spring is elastically connected between the cambered surface of the inner vibration cylinder and the outer fixing cylinder, and the test tube is inserted into the inner vibration cylinder. Through the design of a plurality of outer fixing barrels, in the rotating process, an inner vibration barrel and a test tube are vibrated by utilizing the elastic force of a vibration spring, so that detection liquid and liquid food in the test tube are mixed, and a sealing plug always seals the test tube in the mixing process, so that external air is prevented from entering the test tube to cause pollution; the detection liquid and the liquid food are mixed through vibration, so that damage to microorganisms is reduced.

Description

Technical Field

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

[0002] Microorganisms are a general term for tiny organisms that are difficult to observe directly with the naked eye. They are ubiquitous on the earth and have extremely diverse morphologies, structures and physiological characteristics. The presence of microorganisms can cause serious foodborne diseases. Microbial detection is an important part of food safety, and detecting microorganisms is of great significance to health protection.

[0003] The patent document with announcement number CN117187049B discloses a food microorganism detection device, in which a horizontal tube drives all stirring rods to rotate, thereby evenly stirring and crushing the raw materials and nutrients, so that the microorganisms in the food raw materials are evenly dispersed in the detection tube, which is convenient for the cultivation of microorganisms in the detection tube and subsequent detection and observation, while reducing detection errors.

[0004] However, the shear force generated by rapid stirring in the food microorganism detection device ruptures the cell membrane of the microorganism, destroys the integrity of the cell membrane of some relatively fragile microorganisms, and causes cell death, thereby reducing the number of microorganisms and affecting the accuracy of the detection. In addition, the stirring rod will take away part of the mixed liquid, further affecting the accuracy of the detection. Summary of the invention

[0005] The purpose of the present invention is to address the problem in the background technology that rapid stirring causes damage and death of some microorganisms, affecting the detection data, and to propose a food safety detection device for food microorganism detection.

[0006] The technical solution of the present invention: A food safety detection device for food microorganism detection comprises a detection base, two symmetrically arranged brackets are fixedly mounted on the top of the detection base, and a stepping motor is fixedly mounted on the side of one of the brackets; The liquid mixing element comprises a wheel disc, an outer fixed cylinder, an inner vibrating cylinder, a vibrating spring, a docking spring, a test tube and an intermediate piece, wherein a plurality of annularly distributed outer fixed cylinders are fixedly mounted on the side of the wheel disc, an inner vibrating cylinder is arranged inside the outer fixed cylinder, a vibrating spring is elastically connected between the arc surface of the inner vibrating cylinder and the outer fixed cylinder, the test tube is inserted into the inner vibrating cylinder, an inner wall at the end of the outer fixed cylinder is elastically connected to a docking spring, and an intermediate piece is arranged at the end of the docking spring; The liquid leveling member comprises a sealing plug, the outer wall of which is clamped with the test tube, and the intermediate member abuts against the end of the sealing plug; The two brackets are rotatably connected to each other on one side thereof, and the stepping motor is fixedly connected to the wheel through a rotating shaft. Liquid food and detection liquid are placed in the test tube.

[0007] Optionally, initially, the inner vibration cylinder is coaxial with the outer fixed cylinder, there is a distance between the two ends of the inner vibration cylinder and the outer fixed cylinder, the interior of the inner vibration cylinder is covered with filling cotton, and the test tube is inserted into the filling cotton.

[0008] Optionally, the intermediate part includes a first ring plate, a second ring plate and a limiting embedded ring, the end of the second ring plate is fixedly installed with the limiting embedded ring, the end of the first ring plate is provided with an annular groove, the limiting embedded ring is embedded in the annular groove of the first ring plate, and the other end of the first ring plate is fixedly connected to the docking spring.

[0009] Optionally, an airbag is fixedly installed on the end of the second ring plate, the airbag extends to the inner arc surface of the second ring plate, the airbag rests against the end of the sealing plug, the airbag adopts an annular structure, the liquid-conducting glass tube passes through the center of the airbag, and a ventilation tube is fixedly installed on the outer arc surface of the airbag, and the ventilation tube is fixedly connected to an external fixed tube.

[0010] Optionally, an auxiliary vibrator is arranged on the side of the bracket and below the stepper motor, and the auxiliary vibrator includes a support plate, an intermediate guide plate, an extrusion block and a tamping rod. The support plate is fixedly installed on the side of the bracket, the intermediate guide plate is fixedly installed in the middle of the support plate, the middle of the support plate is slidably connected to the extrusion block, the inner wall of the outer fixed cylinder is slidably connected to the tamping rod, and the end of the extrusion block close to the tamping rod adopts a triangular structure.

[0011] Optionally, the end of the ramming rod adopts a hemispherical structure, and a limit plate is fixedly installed on the end of the ramming rod. The limit plate abuts against the end of the inner vibration cylinder. A guide bar is fixedly installed on the side of the extrusion block, and the extrusion block is slidably connected to the support plate through the guide bar.

[0012] Optionally, the side of the middle guide plate is slidably connected with an insert block, both ends of the insert block are fixedly mounted with counterweight blocks, the bottom of the counterweight block is fixedly mounted with a telescopic rod, and the counterweight block is fixedly mounted on the side of the support plate.

[0013] Optionally, both the bottom of the insert block and the top of the extrusion block are provided with inclined surfaces, the inclined surface at the bottom of the insert block and the inclined surface at the top of the extrusion block have the same inclination angle, and the weight of the counterweight block is heavier than that of the extrusion block.

[0014] Optionally, the liquid leveling component also includes a microbial detector and a liquid conducting glass tube. The liquid conducting glass tube is fixedly installed in the middle of the sealing plug and passes through the sealing plug. The liquid conducting glass tube is located at one end of the test tube and has a flow port. The other end of the liquid conducting glass tube is closed. The microbial detector is fixedly installed on the side of the bracket near the outlet of the external fixed cylinder, and the detection head of the microbial detector is vertically downward.

[0015] Compared with the prior art, the present invention has at least one of the following beneficial technical effects: The present invention adopts the design of multiple external fixed cylinders. During the rotation process, the elastic force of the vibration spring is used to vibrate the inner vibration cylinder and the test tube, so that the detection liquid and liquid food inside the test tube are mixed. During the mixing process, the sealing plug always closes the test tube to prevent external air from entering the test tube and causing contamination. The detection liquid and liquid food are mixed by vibration to reduce the damage of microorganisms.

[0016] Furthermore, a docking spring and an airbag are used to press against the end of the sealing plug, a limiting embedded ring is embedded in the annular groove of the first ring plate, and the second ring plate cooperates with the test tube to vibrate, thereby preventing the sealing plug from detaching from the test tube during vibration, causing leakage of the mixture of the test liquid and liquid food.

[0017] Furthermore, during the operation of the stepper motor, there is current in the wire connected to it, so that the tamping rod generates magnetic force to attract the plug block to move upward, the extrusion block is against the middle guide plate, the wheel rotates to squeeze the tamping rod by the extrusion block, the tamping rod moves along the axis of the outer fixed cylinder, the tamping rod moves the inner vibration cylinder and bends the vibration spring, after the tamping rod is separated from the extrusion block, the elastic force of the vibration spring restores it, and at this time the inner vibration cylinder vibrates in multiple directions, further improving the mixing effect and accelerating the mixing efficiency. Furthermore, after the stepper motor stops rotating, the tamping rod no longer has magnetic force, and the insert block moves to between the extrusion block and the middle guide plate. At this time, the displacement of the tamping rod due to the extrusion block increases, so that the liquid-conducting glass tube extends from the external fixed tube and moves to directly below the microbial detector. There is a plane on the liquid-conducting glass tube, and the microbial detector detects the mixed liquid on the plane of the liquid-conducting glass tube. There is no need to open the test tube and take out the mixed liquid, thereby reducing air contamination of the mixed liquid and eliminating the need to use slides and coverslips to place the mixed liquid, thereby improving detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the overall structure of an embodiment of the present invention is given; Figure 2 It is a schematic diagram of the structure of the microbial detector; Figure 3 Schematic diagram of the roulette structure; Figure 4 It is a cross-sectional schematic diagram of the external fixing tube structure; Figure 5 is a schematic diagram of the sealing plug structure; Figure 6 is a schematic cross-sectional view of the first ring plate structure; Figure 7 It is a schematic cross-sectional view of the structure of the intermediate guide plate; Figure 8 This is a schematic diagram of the counterweight structure.

[0019] Figure numerals: 1. detection base; 2. bracket; 3. stepper motor; 4. liquid mixing element; 41. wheel; 42. external fixed cylinder; 43. internal vibration cylinder; 44. vibration spring; 45. air bag; 46. first ring plate; 47. docking spring; 48. test tube; 49. second ring plate; 410. limit embedded ring; 5. auxiliary vibration element; 51. support plate; 52. intermediate guide plate; 53. insert block; 54. counterweight block; 55. telescopic rod; 56. extrusion block; 57. tamping rod; 58. limit plate; 6. liquid leveling element; 61. microbial detector; 62. sealing plug; 63. liquid guide glass tube. DETAILED DESCRIPTION

[0020] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] The components of the embodiments of the present invention generally described and shown in the drawings herein may be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0022] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

[0023] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] Example 1 This embodiment provides a food safety detection device for food microbial detection, such as Figure 1 As shown, it comprises a detection base 1 , on the top of which two symmetrically arranged brackets 2 are fixedly mounted, and on the side of one of the brackets 2 a stepping motor 3 is fixedly mounted.

[0026] like Figures 2 to 4 As shown, a liquid mixing piece 4 is arranged between the two brackets 2, and the liquid mixing piece 4 includes a wheel disc 41, an outer fixed cylinder 42, an inner vibrating cylinder 43, a vibration spring 44, a docking spring 47, a test tube 48 and a middle piece. A plurality of annularly distributed outer fixed cylinders 42 are fixedly installed on the side of the wheel disc 41, an inner vibrating cylinder 43 is arranged inside the outer fixed cylinder 42, and the vibration spring 44 is elastically connected between the arc surface of the inner vibrating cylinder 43 and the outer fixed cylinder 42. Initially, the inner vibrating cylinder 43 is coaxial with the outer fixed cylinder 42, and there is a gap between the two ends of the inner vibrating cylinder 43 and the outer fixed cylinder 42. The interior of the inner vibrating cylinder 43 is covered with filling cotton, and the test tube 48 is inserted into the filling cotton.

[0027] The two brackets 2 are connected to the wheel disc 41 on one side facing each other, and the stepper motor 3 is fixedly connected to the wheel disc 41 through a rotating shaft. Liquid food and detection liquid are placed in the test tube 48. The wheel disc 41 is driven to rotate by the stepper motor 3, so that the outer fixed cylinder 42 and the inner vibrating cylinder 43 rotate, and the inner vibrating cylinder 43 rotates the test tube 48 inserted therein, so that the detection liquid and liquid food inside the test tube 48 are mixed. Because there is a gap between the outer fixed cylinder 42 and the inner vibrating cylinder 43, and a vibration spring 44 is connected between the arc surface of the inner vibrating cylinder 43 and the outer fixed cylinder 42, during the rotation process, the vibration spring 44 increases the vibration frequency of the inner vibrating cylinder 43, thereby improving the vibration effect of the test tube 48 and accelerating the mixing of the detection liquid and liquid food.

[0028] like Figure 5 As shown, a liquid leveling member 6 is provided at the end of the test tube 48, and the liquid leveling member 6 includes a sealing plug 62. The outer wall of the sealing plug 62 is clamped with the test tube 48, and the middle member is against the end of the sealing plug 62. The inner wall of the end of the outer fixed cylinder 42 is elastically connected to the docking spring 47. The end of the docking spring 47 is provided with an middle member, and the middle member includes a first ring plate 46, a second ring plate 49 and a limiting embedded ring 410. The end of the second ring plate 49 is fixedly installed with the limiting embedded ring 410. The end of the first ring plate 46 is provided with an annular groove, and the limiting embedded ring 410 is embedded in the annular groove of the first ring plate 46. The other end of the first ring plate 46 is fixedly connected to the docking spring 47.

[0029] like Figure 4 and Figure 6As shown, the first ring plate 46 and the second ring plate 49 are pressed against the end of the sealing plug 62 by the docking spring 47, thereby preventing the sealing plug 62 from being separated from the inside of the test tube 48 during the vibration of the outer fixed cylinder 42, resulting in leakage of the internal test liquid and liquid food mixture. At the same time, when the inner vibration cylinder 43 and the test tube 48 vibrate, the second ring plate 49 moves synchronously, and the limit embedded ring 410 prevents the second ring plate 49 from separating from the first ring plate 46.

[0030] The airbag 45 is fixedly installed on the end of the second ring plate 49, and the airbag 45 extends to the inner arc surface of the second ring plate 49. The airbag 45 is against the end of the sealing plug 62. The airbag 45 adopts an annular structure. The liquid guide glass tube 63 passes through the center of the airbag 45. A ventilation tube is fixedly installed on the outer arc surface of the airbag 45. The ventilation tube is fixedly connected to the external fixed tube 42. The ventilation through the airbag 45 reduces the inner ring diameter at the center, thereby preventing the sealing plug 62 from detaching from the center of the airbag 45. At the same time, the elasticity of the airbag 45 prevents the test tube 48 from being smashed.

[0031] In this embodiment, through the design of multiple external fixed cylinders 42, during the rotation process, the elastic force of the vibration spring 44 is used to vibrate the internal vibration cylinder 43 and the test tube 48, so that the detection liquid and liquid food inside the test tube 48 are mixed, and during the mixing process, the sealing plug 62 always closes the test tube 48 to prevent external air from entering the test tube 48 and causing contamination, and the docking spring 47 and the airbag 45 are used to press against the end of the sealing plug 62 to prevent the sealing plug 62 from detaching from the test tube 48 during vibration, causing leakage of the mixture of the detection liquid and liquid food.

[0032] Example 2 Based on Example 1, this example proposes a food safety detection device for food microbial detection, such as Figure 7 and Figure 8 As shown, an auxiliary vibrator 5 is provided on the side of the bracket 2 and below the stepper motor 3. The auxiliary vibrator 5 includes a support plate 51, an intermediate guide plate 52, an extrusion block 56 and a tamping rod 57. The support plate 51 is fixedly installed on the side of the bracket 2, the intermediate guide plate 52 is fixedly installed in the middle of the support plate 51, the middle of the support plate 51 is slidably connected to the extrusion block 56, the inner wall of the outer fixed cylinder 42 is slidably connected to the tamping rod 57, and the end of the extrusion block 56 close to the tamping rod 57 adopts a triangular structure. The tamping rod 57 is fixedly installed on the side of the support plate 51 and located directly above the insert block 53, and the internal winding of the tamping rod 57 adopts a wire for powering the stepper motor 3.

[0033] The side of the middle guide plate 52 is slidably connected with an insert block 53. During the operation of the stepper motor 3, there is current in the power supply wire of the stepper motor 3. Under the action of the current, the tamping rod 57 generates magnetic force. The magnetic force of the tamping rod 57 attracts the insert block 53 to move upward. During the rotation of the wheel disc 41, the tamping rod 57 on the inner wall of the outer fixed cylinder 42 rotates. When the tamping rod 57 rotates, the extrusion block 56 moves to the side of the middle guide plate 52, and then the extrusion block 56 moves to the extreme position. At this time, the extrusion block 56 applies an extrusion force to the tamping rod 57 to make it move along the axial direction of the outer fixed cylinder 42. The tamping rod 57 moves the inner vibration cylinder 43 and bends the vibration spring 44. After the tamping rod 57 is separated from the extrusion block 56, the elastic force of the vibration spring 44 restores it. At this time, the inner vibration cylinder 43 vibrates in multiple directions to further improve the mixing effect.

[0034] like Figure 7 As shown, the end of the tamping rod 57 adopts a hemispherical structure to prevent the extrusion block 56 and the tamping rod 57 from getting stuck. A limit plate 58 is fixedly installed on the end of the tamping rod 57. The limit plate 58 abuts against the end of the inner vibration cylinder 43. When the inner vibration cylinder 43 vibrates, the limit plate 58 will not affect the vibration of the inner vibration cylinder 43.

[0035] A guide bar is fixedly installed on the side of the extrusion block 56 , and the extrusion block 56 is slidably connected to the support plate 51 through the guide bar. The guide bar guides and supports the extrusion block 56 .

[0036] In this embodiment, during the operation of the stepper motor 3, there is current in the wire connected to it, so that the tamping rod 57 generates a magnetic force to attract the plug block 53 to move upward. The tamping rod 57 contacts the extrusion block 56 during the rotation of the wheel 41. The extrusion block 56 causes the tamping rod 57 to move along the axial direction of the outer fixed cylinder 42. The tamping rod 57 moves the inner vibration cylinder 43 and bends the vibration spring 44. After the tamping rod 57 is separated from the extrusion block 56, the elastic force of the vibration spring 44 restores it. At this time, the inner vibration cylinder 43 vibrates in multiple directions, further improving the mixing effect and accelerating the mixing efficiency.

[0037] Example 3 Based on the above-mentioned embodiment 1 or 2, this embodiment proposes a food safety detection device for food microbial detection, such as Figure 7 and Figure 8 As shown, counterweight blocks 54 are fixedly mounted on both ends of the insert block 53 , a telescopic rod 55 is fixedly mounted on the bottom of the counterweight block 54 , and the counterweight block 54 is fixedly mounted on the side of the support plate 51 .

[0038] The bottom of the insert block 53 and the top of the extrusion block 56 are both provided with inclined surfaces. The inclined surface at the bottom of the insert block 53 and the inclined surface at the top of the extrusion block 56 have the same inclination angle. The weight of the counterweight block 54 is heavier than that of the extrusion block 56 .

[0039] like Figure 7As shown, the liquid leveling member 6 also includes a microorganism detector 61 and a liquid-conducting glass tube 63. The liquid-conducting glass tube 63 is fixedly installed in the middle of the sealing plug 62, and the liquid-conducting glass tube 63 penetrates the sealing plug 62. After the stepper motor 3 stops running, the wire in the tamping rod 57 has uneven current. Under the gravity of the counterweight block 54 and the plug block 53, the plug block 53 squeezes the extrusion block 56 toward the direction of the wheel 41, and then the plug block 53 moves between the extrusion block 56 and the middle guide plate 52, so that the extrusion block 56 is close to the wheel 41. At this time, the displacement of the tamping rod 57 squeezed by the extrusion block 56 increases, and the test tube 48 moves and compresses the tamping rod 57. At this time, the liquid-conducting glass tube 63 extends out from the outer fixed tube 42, and the microorganism detector 61 is fixedly installed on the side of the bracket 2 and near the outlet of the outer fixed tube 42, and the detection head of the microorganism detector 61 is vertically downward. The microorganism content in the mixture of liquid food and detection liquid at the liquid-conducting glass tube 63 is detected by the detection head.

[0040] The liquid-conducting glass tube 63 is provided with a flow port at one end of the test tube 48, and the other end of the liquid-conducting glass tube 63 is closed. The liquid-conducting glass tube 63 adopts a semi-cylindrical structure, and there is a plane in the liquid-conducting glass tube 63. The mixed liquid at the plane of the liquid-conducting glass tube 63 is detected by the microbial detector 61, and there is no need to open the test tube 48 and take out the mixed liquid, thereby reducing the contamination of the mixed liquid by air, and there is no need to use a slide glass and a cover glass to place the mixed liquid, thereby improving the detection efficiency.

[0041] By rotating the stepper motor 3 at a certain angle, the test tubes 48 at different positions are switched and moved to the bottom of the microorganism detector 61 to improve the detection efficiency. When placing the test tubes 48 and the liquid-conducting glass tube 63, the test tubes 48 are installed in the outer fixed tube 42 at the bottom, and the plane of the liquid-conducting glass tube 63 is parallel to the horizontal plane, and then the wheel 41 is rotated by the stepper motor 3, and then the outer fixed tube 42 at the bottom is in an empty state, and then the test tubes 48 and the liquid-conducting glass tube 63 are placed as described above.

[0042] In this embodiment, after the stepper motor 3 stops rotating, the ramming rod 57 no longer has magnetic force. Under the action of the gravity of the counterweight block 54 and the insert block 53, the insert block 53 moves to between the extrusion block 56 and the middle guide plate 52. At this time, the displacement of the ramming rod 57 caused by the extrusion block 56 increases, so that the liquid-conducting glass tube 63 extends from the outer fixed tube 42 and moves to just below the microbial detector 61. The liquid-conducting glass tube 63 has a plane. The mixed liquid at the plane of the liquid-conducting glass tube 63 is detected by the microbial detector 61. There is no need to open the test tube 48 and take out the mixed liquid, thereby reducing the contamination of the mixed liquid by air and no need to use a slide glass and a cover glass to place the mixed liquid, thereby improving the detection efficiency.

[0043] The above specific embodiments are only several optional embodiments of the present invention. Based on the technical solutions of the present invention and the relevant inspirations of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A food safety detection device for food microbiological detection, characterized in that: include: A detection base (1), wherein two symmetrically arranged brackets (2) are fixedly mounted on the top of the detection base (1), and a stepping motor (3) is fixedly mounted on the side of one of the brackets (2); A liquid mixing element (4), comprising a wheel disc (41), an outer fixed tube (42), an inner vibrating tube (43), a vibrating spring (44), a docking spring (47), a test tube (48) and an intermediate piece, wherein a plurality of annularly distributed outer fixed tubes (42) are fixedly mounted on the side of the wheel disc (41), an inner vibrating tube (43) is arranged inside the outer fixed tube (42), a vibrating spring (44) is elastically connected between the arc surface of the inner vibrating tube (43) and the outer fixed tube (42), the test tube (48) is inserted into the interior of the inner vibrating tube (43), an inner wall of an end portion of the outer fixed tube (42) is elastically connected to a docking spring (47), and an intermediate piece is arranged at the end portion of the docking spring (47); The liquid leveling member (6) comprises a sealing plug (62), the outer wall of the sealing plug (62) being engaged with the test tube (48), and the intermediate member abutting against the end of the sealing plug (62); The two brackets (2) are rotatably connected to the wheel disc (41) on the sides facing each other. The stepping motor (3) is fixedly connected to the wheel disc (41) via a rotating shaft. Liquid food and detection liquid are placed in the test tube (48).

2. The food safety detection device for food microorganism detection according to claim 1, characterized in that: Initially, the inner vibration cylinder (43) and the outer fixed cylinder (42) are coaxial, a distance exists between the two ends of the inner vibration cylinder (43) and the outer fixed cylinder (42), the interior of the inner vibration cylinder (43) is covered with filling cotton, and the test tube (48) is inserted into the filling cotton.

3. The food safety detection device for food microorganism detection according to claim 1, characterized in that: The intermediate component comprises a first ring plate (46), a second ring plate (49) and a limiting embedded ring (410); the limiting embedded ring (410) is fixedly mounted at the end of the second ring plate (49); an annular groove is formed at the end of the first ring plate (46); the limiting embedded ring (410) is embedded in the annular groove of the first ring plate (46); and the other end of the first ring plate (46) is fixedly connected to a docking spring (47).

4. The food safety detection device for food microorganism detection according to claim 3, characterized in that: An airbag (45) is fixedly mounted on the end of the second ring plate (49), the airbag (45) extending to the inner arc surface of the second ring plate (49), the airbag (45) abutting against the end of the sealing plug (62), the airbag (45) adopts an annular structure, the liquid-guiding glass tube (63) passes through the center of the airbag (45), and a ventilation tube is fixedly mounted on the outer arc surface of the airbag (45), the ventilation tube being fixedly connected to the outer fixing tube (42).

5. The food safety detection device for food microorganism detection according to claim 1, characterized in that: An auxiliary vibrator (5) is arranged on the side of the bracket (2) and below the stepper motor (3). The auxiliary vibrator (5) comprises a support plate (51), an intermediate guide plate (52), an extrusion block (56) and a tamping rod (57). The support plate (51) is fixedly mounted on the side of the bracket (2). The intermediate guide plate (52) is fixedly mounted in the middle of the support plate (51). The middle of the support plate (51) is slidably connected to the extrusion block (56). The inner wall of the outer fixed cylinder (42) is slidably connected to the tamping rod (57). The end of the extrusion block (56) close to the tamping rod (57) adopts a triangular structure.

6. The food safety detection device for food microorganism detection according to claim 5, characterized in that: The end of the ramming rod (57) adopts a hemispherical structure. A limit plate (58) is fixedly mounted on the end of the ramming rod (57). The limit plate (58) abuts against the end of the inner vibration cylinder (43). A guide bar is fixedly mounted on the side of the extrusion block (56). The extrusion block (56) is slidably connected to the support plate (51) via the guide bar.

7. The food safety detection device for food microorganism detection according to claim 6, characterized in that: The side of the middle guide plate (52) is slidably connected with an insert block (53), both ends of the insert block (53) are fixedly mounted with a counterweight block (54), the bottom of the counterweight block (54) is fixedly mounted with a telescopic rod (55), and the counterweight block (54) is fixedly mounted on the side of the support plate (51).

8. The food safety detection device for food microorganism detection according to claim 7, characterized in that: The bottom of the insert block (53) and the top of the extrusion block (56) are both provided with inclined surfaces, the inclined surface at the bottom of the insert block (53) and the inclined surface at the top of the extrusion block (56) have the same inclination angle, and the weight of the counterweight block (54) is heavier than that of the extrusion block (56).

9. The food safety detection device for food microorganism detection according to claim 8, characterized in that: A tamping rod (57) is fixedly mounted on the side of the support plate (51) and directly above the insert block (53). The internal winding of the tamping rod (57) uses a wire for supplying power to the stepping motor (3).

10. The food safety detection device for food microorganism detection according to claim 1, characterized in that: The liquid leveling member (6) further comprises a microorganism detector (61) and a liquid-conducting glass tube (63). The liquid-conducting glass tube (63) is fixedly mounted in the middle of the sealing plug (62). The liquid-conducting glass tube (63) passes through the sealing plug (62). A flow port is provided at one end of the liquid-conducting glass tube (63) located at the test tube (48). The other end of the liquid-conducting glass tube (63) is closed. The microorganism detector (61) is fixedly mounted on the side of the bracket (2) and close to the outlet of the external fixed cylinder (42). The detection head of the microorganism detector (61) is vertically downward.

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