CN115639328A

CN115639328A - Liquid food detector

Info

Publication number: CN115639328A
Application number: CN202211316871.5A
Authority: CN
Inventors: 梁荣荣
Original assignee: Shanxi Moushuizhuang Electronic Technology Co ltd
Current assignee: Shanxi Moushuizhuang Electronic Technology Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-01-24

Abstract

The invention discloses a liquid food detector, which comprises a base, wherein a top plate is arranged at the top of the base, an electric telescopic rod is connected between the top plate and the base, a detection probe is arranged at the bottom of the top plate, and an operation panel is arranged on the front side of the top plate; further comprising: the top bearing of the base is connected with a detection table, a motor is embedded at the bottom of the inner side of the detection table, the output end of the motor is connected with a shaft lever, and a driving gear is sleeved in the middle of the shaft lever; the middle-angle bearing of the rotating groove is connected with a driven fluted disc, and the top of the driven fluted disc is connected with a groove; the top of the inner side of the detection table is provided with a heating plate in an equal-angle embedded mode. This liquid food detector can carry out spacing fixed and heat treatment in batches to the sample ware that is equipped with the liquid food that waits to detect, can carry out automatic transport and automatically clean to test probe to the sample ware of liquid food simultaneously.

Description

Liquid food detector

Technical Field

The invention relates to the technical field of food detectors, in particular to a liquid food detector.

Background

Along with the increasing improvement of the quality of life of people, the safety of food is concerned more and more, food detection is also paid more and more attention accordingly, food safety detection is harmful substances in food according to national indexes, when relevant personnel detect liquid food, a food detector is used for detection, however, the existing liquid food detector has the following problems in the using process:

present liquid food detector, in the process of using, need the sample ware that will be equipped with the liquid food that waits to detect of one to fix on detecting the platform, and detect the platform and lack heating mechanism, can't heat the liquid food to specific temperature to needs and detect, and then be not convenient for carry out spacing fixed and heat treatment in batches to the sample ware that is equipped with the liquid food that waits to detect, and current liquid food detector is detecting the sample ware, need the people to place one side for the sample ware that will detect, the sample ware that will wait to detect again takes to the detection zone and detects, and detect at every turn for not influencing the testing result of next sample ware after having detected, need clean test probe, the operation is comparatively loaded down with trivial details time-consuming, degree of automation is lower, and then be not convenient for carry out the automatic transport to the sample ware of liquid food and clean test probe automatically.

Therefore, we propose a liquid food testing apparatus to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a liquid food detector, which solves the problems that the conventional liquid food detector in the market in the background art is inconvenient to carry out batch limiting fixing and heating treatment on a sample vessel filled with liquid food to be detected, and is inconvenient to automatically convey the sample vessel filled with the liquid food and automatically wipe a detection probe.

In order to achieve the purpose, the invention provides the following technical scheme: a liquid food detector comprises a base, wherein a top plate is arranged at the top of the base, an electric telescopic rod is connected between the top plate and the base, a detection probe is arranged at the bottom of the top plate, an operation panel is arranged on the front side of the top plate, and a microprocessor and a first storage battery are arranged in the top plate;

further comprising:

the top bearing of the base is connected with a detection table, a motor is embedded at the bottom of the inner side of the detection table, the output end of the motor is connected with a shaft lever, a driving gear is sleeved in the middle of the shaft lever, the driving gear is connected into a rotary groove, and the rotary groove is formed in the detection table;

the middle-angle bearing of the rotating groove is connected with a driven fluted disc, the top of the driven fluted disc is connected with a groove, the groove is connected with a fixed plate, the upper part of the fixed plate is connected with a limit groove, the limit grooves are arranged at the top of the detection platform in pairs, and the top of the fixed plate extends to the top of the detection platform;

a trigger switch is arranged at the top of the inner side of the detection table, a second storage battery is arranged at the front side of the inner part of the detection table, and a heating plate is embedded at the top of the inner side of the detection table at equal angles;

a pull rope is fixed at the bottom of the top plate, the bottom of the pull rope is wound on a vertical rod, the vertical rod embedded penetrating bearing is connected to the bottom of the detection table, and a ratchet wheel assembly is arranged between the vertical rod and the detection table;

the support is installed to the avris at base top, and nestification has clean ring on the support to the side through connection of support has the push rod, and the front and back side through connection of support has the locking lever moreover.

Preferably, the driving gear meshes with the driven fluted disc mutually, and the recess at driven fluted disc top sets up to the arc structure to the recess is the mirror image at the driven fluted disc top and distributes, and the spacing groove on fixed plate upper portion sets up to the rectangle structure, and the fixed plate passes through the recess and the rectilinear opening and shutting of spacing groove constitution removes simultaneously, makes the driving gear rotate the back and will drive the driven fluted disc and rotate, and the driven fluted disc will drive the fixed plate through the recess and rotate, then under the effect of spacing groove, drives fixed plate rectilinear movement.

Preferably, the fixed plate sets up to "T" shape structure, and the top of fixed plate sets up to the arc structure to the fixed plate corresponds with the quantity and the position of recess and spacing groove, makes the fixed plate move through opening and shutting and carries out fixed centre gripping in batches to the sample ware.

Preferably, the top cover of axostylus axostyle is equipped with the commentaries on classics piece, and changes the piece and be eccentric connection with the axostylus axostyle to change piece and trigger switch looks butt, constitute closed circuit through the wire between trigger switch and hot plate and the second battery moreover, make the axostylus axostyle rotate the back and will drive the commentaries on classics piece and rotate, and then with the trigger switch contact, make the circuit be in the connected state, thereby make hot plate work.

Preferably, the microprocessor is electrically connected with the first storage battery, the detection probe and the operation panel, and the first storage battery supplies power to the microprocessor, the detection probe and the operation panel, so that the microprocessor can perform intelligent control and data information processing on corresponding components, and the first storage battery can supply power to the corresponding components.

Preferably, install the torsional spring between montant and the base, and the montant passes through stay cord and torsional spring constitution reciprocal rotating-structure to the montant passes through the ratchet subassembly and drives to examine test table unidirectional rotation, examines test table turned angle at every turn moreover and be 90, makes the stay cord drive the montant and rotates the back, will reverse the torsional spring, and then makes the montant pass through the ratchet subassembly and drive to examine test table rotation.

Preferably, the support is in an L-shaped structure, the height of the support is lower than the lowest point of the downward movement of the top plate, and the inner side of the cleaning ring on the support is provided with bristles, so that the cleaning ring on the support can clean the detection probe, and the use of the detection probe is not influenced by the support.

Preferably, the push rod on the side surface of the bracket is of a T-shaped structure, the end part of the push rod is of a triangular structure, and a first spring is connected between the push rod and the bracket, so that after the push rod is pressed, the push rod can compress the first spring, and the end part is abutted to the locking rod.

Preferably, the locking lever sets up to "U" font structure, and installs the second spring between locking lever and the support to the outside end of locking lever sets up to the hypotenuse structure, and the medial extremity of locking lever pegs graft in the draw-in groove, and the draw-in groove symmetry is seted up in the outside of clean ring simultaneously, makes the locking lever after the pressurized, will slide to the outside, and then compresses the second spring, and then separates with the draw-in groove, thereby the change of clean ring of being convenient for.

Compared with the prior art, the invention has the beneficial effects that:

1. the liquid food detector is characterized in that after a motor is arranged to drive a driving gear to rotate through a shaft rod, the driving gear is meshed with a driven fluted disc on the outer side, and further drives the driven fluted disc to rotate, the driven fluted disc drives a fixing plate to rotate along with the driven fluted disc through a groove, the upper part of the fixing plate is connected in a limiting groove, and further the running track of the fixing plate is limited, so that the fixing plate can only move linearly, a clamping fixing plate on a detection table can be synchronously driven to move synchronously, batch limiting and fixing of sample dishes to be detected can be further carried out, complicated manual fixing operation is avoided, and when the shaft rod rotates, the shaft rod can also drive a rotating block at the top to synchronously rotate, the rotating block can be contacted with an internal trigger switch after rotating, so that a circuit where a heating plate is located is in a connected state, and further the sample dishes to be detected can be subjected to automatic heating treatment after being fixed, and the liquid food detector can be used for batch limiting and fixing and heating treatment of the sample dishes of liquid food;

2. this liquid food detector, the back moves down through the electric telescopic handle who sets up drives the roof, the test probe of roof bottom will insert to the liquid food's of below sample ware behind the cleaning ring on the support, thereby detect the sample in the sample ware, the data after the detection will be transmitted to microprocessor, microprocessor conveys it to operating panel again, and then can directly carry out data formula to the harmful substance in the sample ware and present, when the roof shifts up, will drive the stay cord tractive, the stay cord will drive the montant and rotate, the montant rotates the back and will overturn the torsional spring, and the ratchet subassembly between montant and the test table at this moment is in the engaged state, and then will drive test table rotation 90, and then will detect the sample ware and change away, will wait to detect the sample ware and rotate to test probe's below, when the roof drives test probe and shifts up, will be cleaned by the cleaning ring, and then avoid influencing the result of next detection, thereby realize carrying out the automatic transport to the sample ware of liquid food and clean test probe.

Drawings

FIG. 1 is a schematic view of an overall front cross-sectional structure of the present invention;

FIG. 2 is a schematic top view of the connection structure of the driving gear and the driven gear plate of the present invention;

FIG. 3 is a schematic top view of the fixing plate and the heating plate of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 5 is a schematic view of a detection system according to the present invention;

FIG. 6 is a schematic view of a top-down view of the connection of the bracket and the cleaning ring of the present invention;

FIG. 7 is a schematic view of a top-down structure of the connection between the inspection table and the vertical rod according to the present invention;

FIG. 8 is a schematic view of the operation of the heating plate of the present invention.

In the figure: 1. a base; 2. an electric telescopic rod; 3. a top plate; 4. detecting a probe; 5. an operation panel; 6. a microprocessor; 7. a first storage battery; 8. a detection table; 9. a motor; 10. a shaft lever; 11. a driving gear; 12. rotating the groove; 13. a driven fluted disc; 14. a groove; 15. a fixing plate; 16. a limiting groove; 17. a second storage battery; 18. rotating the block; 19. a trigger switch; 20. heating plates; 21. pulling a rope; 22. a vertical rod; 23. a torsion spring; 24. a ratchet assembly; 25. a support; 26. cleaning a ring; 27. a push rod; 28. a first spring; 29. a locking lever; 30. a second spring; 31. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a liquid food detector comprises a base 1, wherein a top plate 3 is installed at the top of the base 1, an electric telescopic rod 2 is connected between the top plate 3 and the base 1, a detection probe 4 is installed at the bottom of the top plate 3, an operation panel 5 is arranged on the front side of the top plate 3, a microprocessor 6 and a first storage battery 7 are installed inside the top plate 3, the microprocessor 6 is electrically connected with the first storage battery 7, the detection probe 4 is electrically connected with the operation panel 5, the first storage battery 7 supplies power for the microprocessor 6, the detection probe 4 and the operation panel 5, as shown in figures 1 and 5, when the liquid food detector is used, the expansion amount and the stay time of the electric telescopic rod 2 are set firstly, the detection result and the data display of components can be displayed through the operation panel 5, the detection probe 4 is used for extending into a liquid food sample vessel to detect and acquire the data, the microprocessor 6 of the core component can receive and transmit signals of the components, the whole body is intelligently regulated, and the first storage battery 7 can provide a power supply;

further comprising: the top bearing of the base 1 is connected with a detection platform 8, the inner bottom of the detection platform 8 is embedded with a motor 9, the output end of the motor 9 is connected with a shaft rod 10, the middle part of the shaft rod 10 is sleeved with a driving gear 11, the driving gear 11 is connected in a rotary groove 12, the rotary groove 12 is arranged inside the detection platform 8, a driven fluted disc 13 is connected with a constant angle bearing in the rotary groove 12, the top of the driven fluted disc 13 is connected with a groove 14, a fixing plate 15 is connected in the groove 14, the upper part of the fixing plate 15 is connected in a limiting groove 16, the limiting groove 16 is arranged at the top of the detection platform 8 in pairs, the fixing plate 15 is arranged in a T-shaped structure, the top of the fixing plate 15 is arranged in an arc-shaped structure, the driving gear 11 is meshed with the driven fluted disc 13, the groove 14 at the top of the driven fluted disc 13 is arranged in an arc-shaped structure, and the grooves 14 are distributed in a mirror image form at the top of the driven fluted disc 13, and the limiting groove 16 on the upper portion of the fixing plate 15 is set to be rectangular structure, and at the same time, the fixing plate 15 forms a linear opening and closing movement through the groove 14 and the limiting groove 16, as shown in fig. 1-4, when fixing the sample vessel of the liquid food, the sample vessel is placed on the top of the detection table 8 in sequence, then the motor 9 inside is started, the motor 9 will drive the shaft lever 10 to rotate after being started, the shaft lever 10 will drive the driving gear 11 to rotate in the rotary groove 12 after rotating, the driving gear 11 will be meshed with the driven fluted disc 13 on the outer side after rotating, and then the driven fluted disc 13 will be driven to rotate synchronously, the driven fluted disc 13 will drive the groove 14 to rotate synchronously after rotating, the groove 14 will drive the fixing plate 15 to rotate therewith, and the upper portion of the fixing plate 15 will be limited by the limiting groove 16, so that the fixing plate 15 can only perform linear movement, therefore, the liquid food detector can synchronously limit and fix the sample vessel of the liquid food, and the complicated manual fixing operation is avoided;

a trigger switch 19 is arranged at the top of the inner side of the detection table 8, a second storage battery 17 is arranged at the front side of the inner side of the detection table 8, a heating plate 20 is embedded at the top of the inner side of the detection table 8 at an equal angle, a rotating block 18 is sleeved at the top of the shaft rod 10, the rotating block 18 is eccentrically connected with the shaft rod 10, the rotating block 18 is abutted against the trigger switch 19, and the trigger switch 19, the heating plate 20 and the second storage battery 17 form a closed loop through a conducting wire;

the bottom of the top plate 3 is fixed with a pull rope 21, the bottom of the pull rope 21 is wound on a vertical rod 22, the vertical rod 22 is connected to the bottom of the detection table 8 in an embedded penetrating bearing mode, a ratchet wheel assembly 24 is installed between the vertical rod 22 and the detection table 8, a torsion spring 23 is installed between the vertical rod 22 and the base 1, the vertical rod 22 forms a reciprocating rotation structure through the pull rope 21 and the torsion spring 23, the vertical rod 22 drives the detection table 8 to rotate in a single direction through the ratchet wheel assembly 24, the rotation angle of the detection table 8 is 90 degrees each time, as shown in figures 1 and 7, when in detection, the electric telescopic rod 2 drives the top plate 3 to move downwards, the top plate 3 can drive the detection probe 4 to move downwards to extend into a sample dish, and then the detection probe 4 stays in the sample dish, the detected data can be transmitted to the microprocessor 6, then the microprocessor 6 converts the data into digital signals and displays the digital signals on the operation panel 5, after one detection is finished, the electric telescopic rod 2 drives the top plate 3 to move upwards, the pull rope 21 can be drawn after the top plate 3 moves upwards, the pull rope 21 can drive the vertical rod 22 to rotate, the vertical rod 22 rotates to drive the detection table 8 to rotate through the ratchet wheel assembly 24 at the top, so that the detected sample dish is rotated away, the sample dish to be detected is rotated to the position below the detection probe 4, automatic conveying of the sample dish is realized, when the top plate 3 moves downwards again, the pull rope 21 is loosened, the torsion spring 23 drives the vertical rod 22 to rotate, at the moment, the ratchet wheel assembly 24 is in a non-meshing state, and the detection table 8 cannot be driven to rotate;

a support 25 is arranged on the side of the top of the base 1, a cleaning ring 26 is nested on the support 25, the support 25 is in an L-shaped structure, the height of the support 25 is lower than the lowest point of downward movement of the top plate 3, and bristles are arranged on the inner side of the cleaning ring 26 on the support 25, as shown in fig. 1 and 6, when the detection probe 4 moves up and down, the bristles on the cleaning ring 26 can clean the detection probe 4 through the cleaning ring 26 on the support 25, so that the influence of liquid residue on the upper side on the next detection is prevented, and the height of the support 25 is lower than the lowest point of downward movement of the top plate 3, so that the use of the detection probe 4 is not influenced;

as shown in fig. 6, when the cleaning ring 26 needs to be replaced, the push rod 27 on the bracket 25 is pressed, the push rod 27 compresses the first spring 28, and the end portion of the push rod 27 extends into the inner side of the bracket 25, so as to abut against the inclined edge of the locking rod 29;

the front side and the rear side of the bracket 25 are connected with a locking rod 29 in a penetrating manner, the locking rod 29 is in a U-shaped structure, a second spring 30 is arranged between the locking rod 29 and the bracket 25, the outer side end of the locking rod 29 is in a bevel edge structure, the inner side end of the locking rod 29 is inserted into a clamping groove 31, and the clamping groove 31 is symmetrically formed in the outer side of the cleaning ring 26, as shown in fig. 6, after the push rod 27 is abutted to the locking rod 29, the locking rod 29 is pushed to slide towards the outer side of the bracket 25, the second spring 30 is compressed after the locking rod 29 slides, the end of the locking rod 19 is separated from the clamping groove 31 in the outer side of the cleaning ring 26, then the cleaning ring 26 can be taken down and replaced, the push rod 27 is released during installation, the locking rod 29 is reset, and is further inserted into the clamping groove 31, and replacement of the cleaning ring 26 is completed.

The working principle is as follows: when the liquid food detector is used, as shown in fig. 1-5, firstly, when the liquid food detector is used, the stretching amount and the staying time of the electric telescopic rod 2 are set, the detection result and the data of the components can be displayed through the operation panel 5, the detection probe 4 is used for stretching into a liquid food sample vessel to detect and acquire the data of the components, the microprocessor 6 of the core component can receive and transmit the signals of the components, the whole body is intelligently regulated and controlled, and the first storage battery 7 can provide a power supply;

when a sample vessel of liquid food is fixed, the sample vessel is placed on the detection table 8, then the motor 9 is started, the motor 9 drives the driving gear 11 to rotate through the shaft rod 10, the driving gear 11 drives the driven fluted disc 13 to rotate, the driven fluted disc 13 drives the fixed plate 15 to rotate through the groove 14, the limiting groove 16 can enable the fixed plate 15 to move linearly, then the liquid food detector can synchronously limit and fix the liquid food sample vessel synchronously, the shaft rod 10 can also drive the rotating block 18 to rotate when rotating, the rotating block 18 can be contacted with the trigger switch 19 to enable the trigger switch to be in a communicated state, and the heating plate 20 works, so that the liquid food detector can automatically heat the sample vessel of the liquid food;

during detection, the electric telescopic rod 2 drives the top plate 3 to move downwards, the top plate 3 drives the detection probe 4 to move downwards and extend into the sample vessel, the detection probe stops once, data detected by the detection probe 4 on the sample vessel can be transmitted to the microprocessor 6, the microprocessor 6 converts the data into digital signals to be displayed on the operation panel 5, after one detection is finished, the electric telescopic rod 2 drives the top plate 3 to move upwards, the pull rope 21 is pulled, the pull rope 21 drives the vertical rod 22 to rotate, the vertical rod 22 drives the detection platform 8 to rotate through the ratchet wheel assembly 24, so that the detected sample vessel is rotated away, the sample vessel to be detected is rotated to the position below the detection probe 4, and automatic conveying of the sample vessel is achieved;

when test probe 4 reciprocates, all can pass through clean ring 26 on the support 25, the brush hair on the clean ring 26 will be cleaned test probe 4, when needs are changed clean ring 26, press down push rod 27 on the support 25, push rod 27 will compress first spring 28, its tip will stretch into the inboard of support 25, and then carry out the butt with the hypotenuse of locking lever 29, locking lever 29 slides to the outside, and then compress second spring 30, locking lever 19 tip can separate with draw-in groove 31, then can take off clean ring 26 and change, loosen push rod 27 during the installation, locking lever 29 will reset, and then peg graft with draw-in groove 31, thereby accomplish the change to clean ring 26, thereby accomplish a series of work.

Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. A liquid food detector comprises a base (1), wherein a top plate (3) is installed at the top of the base (1), an electric telescopic rod (2) is connected between the top plate (3) and the base (1), a detection probe (4) is installed at the bottom of the top plate (3), an operation panel (5) is arranged on the front side of the top plate (3), and a microprocessor (6) and a first storage battery (7) are installed inside the top plate (3);

the method is characterized in that: further comprising:

the top bearing of the base (1) is connected with a detection platform (8), a motor (9) is embedded at the bottom of the inner side of the detection platform (8), the output end of the motor (9) is connected with a shaft lever (10), a driving gear (11) is sleeved in the middle of the shaft lever (10), the driving gear (11) is connected into a rotary trough (12), and the rotary trough (12) is arranged inside the detection platform (8);

the middle-angle bearing of the rotating groove (12) is connected with a driven fluted disc (13), the top of the driven fluted disc (13) is connected with a groove (14), a fixing plate (15) is connected in the groove (14), the upper part of the fixing plate (15) is connected in a limiting groove (16), the limiting groove (16) is arranged at the top of the detection table (8) in pairs, and the top of the fixing plate (15) extends out of the top of the detection table (8);

a trigger switch (19) is arranged at the top of the inner side of the detection table (8), a second storage battery (17) is arranged at the front side of the inner part of the detection table (8), and a heating plate (20) is embedded at the top of the inner side of the detection table (8) at an equal angle;

a pull rope (21) is fixed at the bottom of the top plate (3), the bottom of the pull rope (21) is wound on a vertical rod (22), the vertical rod (22) is embedded and penetrates through a bearing to be connected to the bottom of the detection table (8), and a ratchet wheel assembly (24) is arranged between the vertical rod (22) and the detection table (8);

support (25) are installed to the avris at base (1) top, and nestification has clean ring (26) on support (25) to the side through connection of support (25) has push rod (27), and the front and back side through connection of support (25) has locking lever (29) moreover.

2. The liquid food testing apparatus according to claim 1, wherein: driving gear (11) and driven fluted disc (13) mesh mutually, and recess (14) at driven fluted disc (13) top set up to the arc structure to recess (14) are the mirror image at driven fluted disc (13) top and distribute, and spacing groove (16) on fixed plate (15) upper portion set up to the rectangle structure moreover, and fixed plate (15) pass through recess (14) and spacing groove (16) and constitute the rectilinear opening and shutting of removal simultaneously.

3. The liquid food testing apparatus according to claim 1, wherein: the fixing plate (15) is arranged to be of a T-shaped structure, the top of the fixing plate (15) is arranged to be of an arc-shaped structure, and the number and the positions of the fixing plate (15) and the grooves (14) and the limiting grooves (16) correspond to each other.

4. The liquid food testing apparatus according to claim 1, wherein: the top cover of axostylus axostyle (10) is equipped with commentaries on classics piece (18), and commentaries on classics piece (18) are eccentric connection with axostylus axostyle (10), and commentaries on classics piece (18) and trigger switch (19) looks butt, constitutes closed loop through the wire between trigger switch (19) and hot plate (20) and second battery (17) moreover.

5. The liquid food testing apparatus according to claim 1, wherein: the microprocessor (6) is electrically connected with the first storage battery (7), the detection probe (4) and the operation panel (5), and the first storage battery (7) supplies power for the microprocessor (6), the detection probe (4) and the operation panel (5).

6. The liquid food testing apparatus according to claim 1, wherein: install torsional spring (23) between montant (22) and base (1), and montant (22) constitutes reciprocating rotation structure through stay cord (21) and torsional spring (23), and montant (22) drive through ratchet subassembly (24) and detect platform (8) unidirectional rotation, detect platform (8) rotation angle at every turn and be 90 moreover.

7. The liquid food testing apparatus according to claim 1, wherein: the support (25) is in an L-shaped structure, the height of the support (25) is lower than the lowest point of downward movement of the top plate (3), and the inner side of a cleaning ring (26) on the support (25) is provided with bristles.

8. The liquid food testing apparatus according to claim 1, wherein: the push rod (27) on the side surface of the bracket (25) is arranged to be of a T-shaped structure, the end part of the push rod (27) is arranged to be of a triangular structure, and a first spring (28) is connected between the push rod (27) and the bracket (25).

9. The liquid food testing apparatus according to claim 1, wherein: the locking rod (29) is of a U-shaped structure, a second spring (30) is installed between the locking rod (29) and the support (25), the outer side end of the locking rod (29) is of a bevel edge structure, the inner side end of the locking rod (29) is inserted into the clamping groove (31), and the clamping groove (31) is symmetrically formed in the outer side of the cleaning ring (26).