A waterproof and dustproof high-precision food weighing machine

Abstract

The present application relates to the technical field of electronic weighing equipment, and discloses a waterproof and dustproof high-precision dish weighing integrated machine, including a base, a weighing sensor is arranged on the base, the detection end of the weighing sensor is connected to a supporting plate, a weighing pan is connected to the supporting plate, and a shock-absorbing structure is arranged between the weighing pan and the supporting plate; the shock-absorbing structure includes a plurality of sleeves arranged through the supporting plate, a first elastic member is sleeved on the peripheral side of the sleeve, one end of the first elastic member abuts against the supporting plate, and the other end of the elastic member abuts against the weighing pan; a channel is opened through the sleeve, a connecting column is fixedly connected to the side of the weighing pan close to the supporting plate, the end of the connecting column away from the weighing pan is sealed and slidably connected to the channel, the end of the channel away from the weighing pan is slidably connected to a movable valve, and an air cavity is formed in the channel between the connecting column and the movable valve. The present application alleviates the impact force of the weighing object on the weighing pan by arranging a shock-absorbing structure, and at the same time reduces vibration and reduces the influence on the accuracy of the weighing sensor.

Description

Technical Field

[0001] The present application relates to the technical field of electronic weighing equipment, and in particular to a waterproof, dustproof, high-precision all-in-one food weighing machine. Background Art

[0002] Electronic scales are a type of balancer, a tool that uses Hooke's law or the principle of lever balance to measure the mass of an object. Electronic scales are mainly composed of three parts: a weighing system, a force conversion system, and an indication system; the weighing system can be a scale plate and a scale body, the force conversion system can be a lever force transmission system and a weighing sensor, and the indication system can be a dial and an electronic display instrument.

[0003] During the use of electronic scales, placing the weighing object will cause impact on the scale pan, which may cause deformation or damage to its internal structure and affect the accuracy of the electronic scale. At the same time, the electronic scales currently on the market are not dustproof and waterproof, which may easily cause damage to internal components, shorten the service life of the electronic scale, and affect the measurement accuracy of the electronic scale. Summary of the invention

[0004] In order to improve the problem that the existing electronic scale causes the scale pan to vibrate when the weighing object is placed, thereby affecting the accuracy of the electronic scale, the present application provides a waterproof, dustproof and high-precision food weighing integrated machine.

[0005] The present application provides a waterproof and dustproof high-precision food weighing integrated machine, which adopts the following technical solutions:

[0006] A waterproof and dustproof high-precision food weighing integrated machine, comprising a base, a weighing sensor is arranged on the base, a detection end of the weighing sensor is connected to a supporting plate, a weighing pan is connected to the supporting plate, a shock-absorbing structure is arranged between the weighing pan and the supporting plate; the shock-absorbing structure comprises a plurality of sleeves which are arranged through the supporting plate, a first elastic member is sleeved on the circumference of the sleeve, one end of the first elastic member abuts against the supporting plate, and the other end of the elastic member abuts against the weighing pan; a channel is opened through the sleeve, a connecting column is fixedly connected to a side of the weighing pan close to the supporting plate, an end of the connecting column away from the weighing pan is sealed and slidably connected to the channel, an end of the channel away from the weighing pan is slidably connected to a movable valve, an air cavity is formed in the channel between the connecting column and the movable valve; a support member is connected to one side of the base.

[0007] By adopting the above technical scheme, when weighing, the weighing object has an impact force on the weighing pan, and the weighing pan will vibrate. First, the weighing pan moves downward to compress the first elastic member, and the impact force of the weighing object on the weighing pan is alleviated by the first elastic member; at the same time, the connecting column slides along the sleeve, the air cavity is compressed, and under the action of gas pressure, the movable valve is driven to move and separate from the sleeve, the gas in the air cavity is released, the movable valve is reset, and the air cavity forms a new equilibrium state; when the weighing pan rebounds, due to the existence of the air cavity, the upward force of the first elastic member on the weighing pan is balanced with the action of the air cavity on the weighing pan, thereby alleviating the instantaneous rebound of the weighing pan and ensuring the stability of the weighing pan, thereby reducing vibration, alleviating the impact on the weighing sensor, and ensuring the weighing accuracy.

[0008] Optionally, the movable valve includes a valve plate, and a plurality of traction rods are fixedly connected to one side of the valve plate close to the sleeve. A connecting hole is provided on the sleeve, and the traction rods are slidably connected in the connecting hole. A second elastic member is provided between the traction rods and the inner wall of the connecting hole, wherein the second elastic member pulls the valve plate to abut against the sleeve.

[0009] By adopting the above technical solution, when placing the weighing object, the connecting rod moves along the channel inside the sleeve, the air cavity is compressed, thereby driving the valve plate to separate from the sleeve, the traction rod moves outward, the second elastic member is compressed, and the gas in the air cavity is discharged. Under the action of the second elastic member, the traction rod is driven to move back, so that the valve plate is reset and abuts against the sleeve, the air cavity reaches a new balance, and the air cavity is in a closed state, thereby avoiding the rebound of the connecting rod.

[0010] Optionally, a protective cover is provided on the upper cover of the weighing sensor, a clearance hole is opened on the protective cover, a pillar is fixedly connected to the side of the supporting plate close to the weighing sensor, the pillar passes through the clearance hole and is fixedly connected to the detection end of the weighing sensor, a sealing member is provided between the pillar and the clearance hole, the sealing member includes an inner ring and an outer ring, a flexible membrane is connected between the inner ring and the outer ring, the inner ring is sleeved on the pillar, and the outer ring is clamped in the clearance hole.

[0011] By adopting the above technical solution, the protective cover is set on the weighing sensor to prevent dust or water stains from entering the weighing sensor and causing failure or damage to the weighing sensor; by setting a seal between the protective cover and the support, on the one hand, it can block dust and water stains, and on the other hand, the flexibility of the flexible membrane can be used to reduce the force between the protective cover and the support, thereby reducing the weighing error.

[0012] Optionally, a flange is provided on the periphery of the scale pan, the flange cover is provided on the outside of the base, and the lower edge of the flange is lower than the top of the base; a drainage groove is provided on the base and located on the outside of the protective cover, and a water outlet connected to the drainage groove is provided on the side wall of the base.

[0013] By adopting the above technical solution, a flange is provided on the peripheral side of the scale pan, and the lower edge of the flange is lower than the top of the base, which effectively reduces the water stains entering the base; a drainage groove is opened on the base to collect the water entering the inner wall of the base and discharge it through the water outlet, so as to prevent the weighing sensor from malfunctioning due to moisture.

[0014] Optionally, the support member includes a sleeve rod and a telescopic rod, one end of the telescopic rod is slidably connected to the sleeve rod, the other end of the telescopic rod extends outside the sleeve rod and is connected to a dustproof plate, a speaker is arranged above the dustproof plate, a display control component is connected above the speaker, the sleeve rod is fixedly connected to one side of the base, and an adjustment component is arranged between the sleeve rod and the telescopic rod; the adjustment component includes a ball screw, one end of the ball screw is rotatably connected to the sleeve rod, the other end of the ball screw is connected to the end of the telescopic rod, and the end of the telescopic rod is fixedly connected to a screw nut cooperating with the ball screw; a dial is fixedly connected to the ball screw, and a placement groove for accommodating the dial is opened on the sleeve rod.

[0015] By adopting the above technical solution, when adjusting the height of the telescopic rod, the ball screw is driven to rotate by turning the dial, and the ball screw cooperates with the screw nut fixed on the telescopic rod to make the telescopic rod slide along the sleeve rod, thereby quickly adjusting the height of the telescopic rod. The dustproof plate can block falling dust and droplets generated when the user speaks, preventing the dishes from being contaminated; by setting the speaker to play the name of the dish and the corresponding weight and price, it is convenient for users to check the dish information and discover possible errors in time.

[0016] Optionally, a sealing sleeve is provided at the connection between the sleeve rod and the telescopic rod, the sealing sleeve is fixedly connected to the end of the sleeve rod, and the sealing sleeve is sleeved on the telescopic rod.

[0017] By adopting the above technical solution, since the sealing sleeve is provided, on the one hand, dust can be prevented from entering between the sleeve rod and the telescopic rod to ensure the normal sliding of the telescopic rod; on the other hand, the stability of the telescopic rod during movement can be ensured to avoid shaking of the telescopic rod.

[0018] Optionally, a level is provided on one side of the base, and a plurality of supporting feet are provided at the bottom of the base, the supporting feet include a connecting rod, one end of the connecting rod is fixedly connected to a pad, a connecting seat is provided on the base, and a mounting hole is provided on the connecting seat; one end of the connecting rod away from the pad is slidably connected to the mounting hole, and a third elastic member is provided between the connecting rod and the mounting hole, one end of the third elastic member abuts on a convex ring provided on the end of the connecting rod, and the other end of the third elastic member abuts on a sealing plate provided at the opening of the mounting hole; an adjusting member is threadedly connected to the connecting rod, and one side of the adjusting member abuts on the end surface of the connecting seat.

[0019] By adopting the above technical solution, when in use, the height of the base is adjusted by rotating the adjusting piece, and the base is adjusted to a horizontal state by observing the level meter, thereby improving measurement accuracy, reducing errors, and ensuring the force balance of the weighing sensor and extending its service life.

[0020] Optionally, the display control component includes a shell, a touch display screen is mounted on the shell, a face recognition camera, a code scanner and a card reader are arranged on the shell and on one side of the touch display screen, a circuit board is arranged in the shell, and the circuit board is electrically connected to the weighing sensor, touch display screen, face recognition camera, code scanner and card reader respectively.

[0021] By adopting the above technical solution, dishes and their price information are displayed on a touch screen, and a face recognition camera, a barcode scanner and a card reader are set on one side of the touch screen to realize multiple payment methods, save settlement time and improve user experience.

[0022] Optionally, a dish recognition camera is provided below the dustproof plate, and the dish recognition camera faces the weighing pan.

[0023] By adopting the above technical solution, by setting a dish recognition camera under the dustproof plate, dishes can be quickly identified and the prices of dishes can be learned, thereby improving the efficiency of settlement.

[0024] In summary, the present application includes at least one of the following beneficial technical effects:

[0025] 1. By setting a shock-absorbing structure, the first elastic member is used to reduce the impact force on the scale plate when placing the weighing object, and the air cavity is used to avoid the rebound of the scale plate, reduce vibration, thereby reducing the impact on the weighing sensor and improving the measurement accuracy.

[0026] 2. By setting up a protective cover to block water stains and dust, and using the drainage groove to collect the water stains entering the base and drain them to the outlet for discharge, the base is kept dry to avoid malfunction or damage of the weighing sensor.

[0027] 3. A sealing sleeve is provided to block dust and water stains, and the softness of the flexible membrane is utilized to reduce the force between the protective cover and the support, thereby reducing the weighing error. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of the waterproof, dustproof and high-precision food weighing integrated machine of the present application.

[0029] Figure 2 This is the rear view of the waterproof, dustproof and high-precision food weighing machine of the present application.

[0030] Figure 3 yes Figure 2 Cross-section view of AA.

[0031] Figure 4 It is a structural schematic diagram of the support plate of this application.

[0032] Figure 5 yes Figure 3 Cross-section of the BB.

[0033] Figure 6 yes Figure 3 A partial enlarged view of part C in the middle.

[0034] Figure 7 It is a structural schematic diagram of the connection between the support foot and the base of the present application.

[0035] Figure numerals: 1, base; 11, protective cover; 111, give way hole; 12, drainage groove; 13, water outlet; 14, connecting seat; 15, mounting hole; 16, sealing plate; 17, level; 18, sealing member; 181, inner ring; 182, outer ring; 183, flexible membrane; 2, weighing sensor; 3, supporting plate; 31, sleeve; 311, channel; 312, connecting hole; 32, first elastic member; 33, movable valve; 331, valve plate; 332, traction rod; 333, second elastic member; 34, support; 35, air cavity; 4, weighing pan; 41. Connecting column; 42. Sealing ring; 43. Flanging; 5. Support member; 51. Sleeve rod; 511. Placement slot; 52. Telescopic rod; 53. Ball screw; 54. Screw nut; 55. Dial; 56. Sealing sleeve; 6. Display control assembly; 61. Shell; 62. Touch screen; 63. Face recognition camera; 64. Barcode scanner; 65. Card reader; 7. Support foot; 71. Connecting rod; 72. Pad; 73. Adjustment member; 74. Convex ring; 75. Third elastic member; 8. Dustproof plate; 9. Speaker; 10. Food recognition camera. DETAILED DESCRIPTION

[0036] Embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings.

[0037] In the description of this specification, the description with reference to the terms "certain embodiments", "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0038] The present application embodiment discloses a waterproof and dustproof high-precision food weighing integrated machine, referring to Figures 1 to 4 , including a base 1, to which a weighing sensor 2 is fixedly connected, the weighing sensor 2 is of cantilever type, the detection end of the weighing sensor 2 is connected to a supporting plate 3, the supporting plate 3 is of X-shaped structure, a weighing pan 4 is connected to the supporting plate 3, and a shock absorbing structure is arranged between the weighing pan 4 and the supporting plate 3.

[0039] The shock absorbing structure includes a plurality of sleeves 31 which are arranged on the supporting plate 3, and the plurality of sleeves 31 are arranged at the four corners of the supporting plate 3. The sleeve 31 is a hollow tubular structure, and a channel 311 is opened in the sleeve 31. A first elastic member 32 is sleeved on the circumference of the sleeve 31, and the first elastic member 32 is a spring. One end of the first elastic member 32 abuts on the supporting plate 3, and the other end of the elastic member abuts on the weighing pan 4. A connecting column 41 is fixedly connected to the side of the weighing pan 4 close to the supporting plate 3, and an end of the connecting column 41 away from the weighing pan 4 is sealed and slidably connected in the channel 311. A sealing ring 42 is arranged between the connecting column 41 and the inner wall of the channel 311, and the sealing ring 42 is sleeved on the connecting column 41 and abuts against the inner wall of the channel 311. A movable valve 33 is slidably connected to the end of the channel 311 away from the weighing pan 4, and an air cavity 35 is formed in the channel 311 between the connecting column 41 and the movable valve 33. A support member 5 is fixedly connected to one side of the base 1.

[0040] Reference Figure 3 and Figure 5 The movable valve 33 includes a valve plate 331, and a plurality of traction rods 332 are fixedly connected to one side of the valve plate 331 close to the sleeve 31. The plurality of traction rods 332 are evenly distributed around the valve plate 331. A connecting hole 312 is opened on the sleeve 31. The traction rod 332 is slidably connected in the connecting hole 312. A second elastic member 333 is arranged between the traction rod 332 and the inner wall of the connecting hole 312. The second elastic member 333 is a spring, wherein the second elastic member 333 pulls the valve plate 331 to abut against the sleeve 31.

[0041] When weighing, the weighing object has an impact force on the weighing pan 4, and the weighing pan 4 will vibrate. First, the weighing pan 4 moves downward, compressing the first elastic member 32, and the impact force of the weighing object on the weighing pan 4 is alleviated by the first elastic member 32; at the same time, the connecting column 41 slides along the sleeve 31, and the air cavity 35 is compressed. Under the action of the gas pressure, the movable valve 33 is driven to move and separate from the sleeve 31, and the traction rod 332 moves outward. The second elastic member 333 is compressed, and the gas in the air cavity 35 is released. Under the action of the second elastic member 333, the traction rod 332 is driven to move back, the movable valve 33 is reset, and the air cavity 35 is in a closed state, and the air cavity 35 forms a new equilibrium state; when the weighing pan 4 rebounds, due to the existence of the air cavity 35, the upward force of the first elastic member 32 on the weighing pan 4 is balanced with the effect of the air cavity 35 on the weighing pan 4, thereby alleviating the instantaneous rebound of the weighing pan 4 and ensuring the stability of the weighing pan 4, thereby reducing vibration, alleviating the influence on the weighing sensor 2, and ensuring the weighing accuracy.

[0042] Reference Figure 3 and Figure 6 A protective cover 11 is provided above the weighing sensor 2, and the protective cover 11 is located below the supporting plate 3. The protective cover 11 is used to prevent dust or water stains from entering the inside of the weighing sensor 2 to prevent the weighing sensor 2 from malfunctioning or being damaged; a clearance hole 111 is opened on the protective cover 11, and a support column 34 is fixedly connected to the side of the supporting plate 3 close to the weighing sensor 2. The support column 34 passes through the clearance hole 111 and is fixedly connected to the detection end of the weighing sensor 2. A sealing member 18 is provided between the support column 34 and the clearance hole 111. The sealing member 18 includes an inner ring 181 and an outer ring 182. A flexible membrane 183 is connected between the inner ring 181 and the outer ring 182. The inner ring 181 is sleeved on the support column 34, and the outer ring 182 is clamped in the clearance hole 111. By providing a seal 18 between the protective cover 11 and the pillar 34, on the one hand, dust and water stains can be blocked, and on the other hand, the flexibility of the flexible membrane 183 can be utilized to reduce the force between the protective cover 11 and the pillar 34, thereby reducing the weighing error.

[0043] A flange 43 is provided on the periphery of the scale pan 4, and the flange 43 extends toward one side of the base 1. The flange 43 is provided on the outside of the base 1, and the lower edge of the flange 43 is lower than the top of the base 1, which effectively reduces water stains from entering the base 1. A drainage groove 12 is provided on the base 1 and outside the protective cover 11, and a water outlet 13 connected to the drainage groove 12 is provided on the side wall of the base 1. The water entering the inner wall of the base 1 is drained and collected through the drainage groove 12, and discharged through the water outlet 13, so as to prevent the weighing sensor 2 from malfunctioning due to moisture.

[0044] The support member 5 includes a sleeve rod 51 and a telescopic rod 52, both of which are hollow tubular structures. One end of the telescopic rod 52 is slidably connected to the sleeve rod 51, and the other end of the telescopic rod 52 extends to the outside of the sleeve rod 51 and is connected to a dustproof plate 8. A speaker 9 is arranged above the dustproof plate 8, and a display control component 6 is connected above the speaker 9. The sleeve rod 51 is fixedly connected to one side of the base 1, and an adjustment component is arranged between the sleeve rod 51 and the telescopic rod 52; the adjustment component includes a ball screw 53, one end of the ball screw 53 is rotatably connected to the end of the sleeve rod 51 close to the base 1, and the other end of the ball screw 53 is connected to the end of the telescopic rod 52 and extends into the telescopic rod 52, and the end of the telescopic rod 52 is fixedly connected to a screw nut 54 that cooperates with the ball screw 53; a dial 55 is fixedly connected to the ball screw 53, and a placement groove 511 for accommodating the dial 55 is opened on the sleeve rod 51.

[0045] When adjusting the height of the telescopic rod 52, the ball screw 53 is driven to rotate by turning the dial 55, and the ball screw 53 cooperates with the screw nut 54 fixed on the telescopic rod 52 to make the telescopic rod 52 slide along the sleeve rod 51, so as to quickly adjust the height of the telescopic rod 52, thereby adjusting the display control component 6 connected to the telescopic rod 52 to an appropriate height. The dustproof plate 8 can block falling dust and droplets generated when the user speaks, so as to prevent the dishes from being contaminated; by setting the speaker 9 to play the dish name and the corresponding weight and price, it is convenient for the user to check the dish information and find possible errors in time.

[0046] A sealing sleeve 56 is provided at the connection between the sleeve rod 51 and the telescopic rod 52. The sealing sleeve 56 is fixedly connected to the end of the sleeve rod 51 and is sleeved on the telescopic rod 52. The sealing sleeve 56 can prevent dust from entering between the sleeve rod 51 and the telescopic rod 52, ensuring the normal sliding of the telescopic rod 52; on the other hand, it can ensure the stability of the telescopic rod 52 when moving, preventing the telescopic rod 52 from shaking.

[0047] Reference Figure 3 and Figure 7 A level 17 is provided on one side of the base 1. The level 17 adopts a level bubble or a level indicator. A plurality of supporting feet 7 are provided at the bottom of the base 1. The plurality of supporting feet 7 are distributed at the four vertex corners of the base 1. The supporting feet 7 include a connecting rod 71. The connecting rod 71 is provided with an external thread. One end of the connecting rod 71 is fixedly connected to a pad 72. The pad 72 adopts a hard rubber material; a connecting seat 14 for mounting the supporting foot 7 is fixed on the base 1, and a mounting hole 15 is provided on the connecting seat 14; one end of the connecting rod 71 away from the pad 72 is slidably connected to the mounting hole 15, and a third elastic member 75 is provided between the connecting rod 71 and the mounting hole 15. The third elastic member 75 is a spring. One end of the third elastic member 75 abuts on a convex ring 74 provided at the end of the connecting rod 71, and the other end of the third elastic member 75 abuts on a sealing plate 16 provided at the opening of the mounting hole 15; an adjusting member 73 is threadedly connected to the connecting rod 71, and a boss is provided on one side of the adjusting member 73 and abuts on the end surface of the connecting seat 14.

[0048] When in use, the height of the base 1 is adjusted by rotating the adjusting member 73 and the base 1 is adjusted to a horizontal state by observing the level meter 17, so as to improve the measurement accuracy and reduce the error, and at the same time ensure the force balance of the weighing sensor 2 and extend the service life.

[0049] Reference Figure 1The display control component 6 includes a housing 61, which is made of ABS plastic and sealed. A touch screen 62 is installed on the housing 61. The touch screen 62 is a high-definition liquid crystal display and supports multi-touch. A face recognition camera 63, a barcode scanner 64 and a card reader 65 are arranged on the housing 61 and on one side of the touch screen 62 to realize multiple payment methods, improve the convenience of payment, save settlement time, and improve the user experience. A circuit board is arranged in the housing 61, and the circuit board is electrically connected to the weighing sensor 2, the touch screen 62, the face recognition camera 63, the barcode scanner 64 and the card reader 65 respectively.

[0050] A food recognition camera 10 is provided below the dustproof plate 8 , and the food recognition camera 10 faces the weighing pan 4 .

[0051] By arranging a dish recognition camera 10 under the dustproof plate 8, dishes can be quickly recognized and their prices can be learned, thereby improving settlement efficiency.

[0052] The implementation principle of the waterproof, dustproof and high-precision food weighing integrated machine in the embodiment of the present application is: when in use, first perform horizontal adjustment, by rotating the adjustment member 73, and at the same time observing the horizontal state of the spirit level 17, adjust the base 1 to a horizontal state, reduce the weighing error, and improve the weighing accuracy.

[0053] The height of the display control assembly 6 is adjusted by turning the dial 55 to drive the ball screw 53 to rotate. The ball screw 53 cooperates with the screw nut 54 to drive the movement of the telescopic rod 52, thereby achieving the adjustment of the height of the display control assembly 6.

[0054] During weighing, when the object to be weighed is placed on the weighing pan 4, an impact force is generated on the weighing pan 4, which is relieved by the first elastic member 32, and the air cavity 35 limits the rebound of the connecting rod 71, thereby reducing the vibration of the weighing pan 4, thereby reducing the impact on the weighing sensor 2 and improving the weighing accuracy; and the flexible membrane 183 is used to reduce the force between the support 34 and the protective cover 11, thereby reducing the weighing error.

[0055] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A waterproof and dustproof high-precision food weighing machine, characterized in that: The invention comprises a base (1), wherein a weighing sensor (2) is arranged on the base (1), a detection end of the weighing sensor (2) is connected to a supporting plate (3), a weighing pan (4) is connected to the supporting plate (3), a shock absorbing structure is arranged between the weighing pan (4) and the supporting plate (3); the shock absorbing structure comprises a plurality of sleeves (31) penetrating the supporting plate (3), a first elastic member (32) is sleeved on the circumference of the sleeve (31), one end of the first elastic member (32) abuts against the supporting plate (3), and the other end of the elastic member abuts against the weighing pan (4). The weighing pan (4) is provided with a passage (311) extending through the sleeve (31); a connecting column (41) is fixedly connected to a side of the weighing pan (4) close to the supporting plate (3); an end of the connecting column (41) away from the weighing pan (4) is sealed and slidably connected to the channel (311); an end of the channel (311) away from the weighing pan (4) is slidably connected to a movable valve (33); an air cavity (35) is formed in the channel (311) between the connecting column (41) and the movable valve (33); a support member (5) is connected to one side of the base (1); A protective cover (11) is provided above the weighing sensor (2), and a clearance hole (111) is provided on the protective cover (11). A support (34) is fixedly connected to a side of the support plate (3) close to the weighing sensor (2), and the support (34) passes through the clearance hole (111) and is fixedly connected to the detection end of the weighing sensor (2). A sealing member (18) is provided between the support (34) and the clearance hole (111), and the sealing member (18) comprises an inner ring (181) and an outer ring (182). A flexible membrane (183) is connected between the inner ring (181) and the outer ring (182), and the inner ring (181) is sleeved on the support (34), and the outer ring (182) is clamped in the clearance hole (111); The movable valve (33) comprises a valve plate (331), a side of the valve plate (331) close to the sleeve (31) is fixedly connected with a plurality of traction rods (332), a connecting hole (312) is provided on the sleeve (31), the traction rods (332) are slidably connected in the connecting hole (312), and a second elastic member (333) is provided between the traction rods (332) and the inner wall of the connecting hole (312), wherein the second elastic member (333) tractions the movable valve (33) to abut against the sleeve (31).

2. The waterproof and dustproof high-precision food weighing integrated machine according to claim 1 is characterized in that: A flange (43) is arranged on the periphery of the weighing pan (4), the flange (43) is arranged on the outside of the base (1), and the lower edge of the flange (43) is lower than the top of the base (1); a drainage groove (12) is provided on the base (1) and located on the outside of the protective cover (11), and a water outlet (13) connected to the drainage groove (12) is provided on the side wall of the base (1).

3. The waterproof and dustproof high-precision food weighing integrated machine according to claim 1 is characterized in that: The support member (5) comprises a sleeve rod (51) and a telescopic rod (52), one end of the telescopic rod (52) is slidably connected to the sleeve rod (51), the other end of the telescopic rod (52) extends outside the sleeve rod (51) and is connected to a dustproof plate (8), a speaker (9) is arranged above the dustproof plate (8), a display control component (6) is connected above the speaker (9), the sleeve rod (51) is fixedly connected to one side of the base (1), and a An adjustment component; the adjustment component comprises a ball screw (53), one end of the ball screw (53) is rotatably connected to a sleeve rod (51), the other end of the ball screw (53) is connected to the end of a telescopic rod (52), the end of the telescopic rod (52) is fixedly connected to a screw nut (54) matched with the ball screw (53); the ball screw (53) is fixedly connected to a dial (55), and the sleeve rod (51) is provided with a placement groove (511) for accommodating the dial (55).

4. The waterproof and dustproof high-precision food weighing integrated machine according to claim 3 is characterized in that: A sealing sleeve (56) is provided at the connection between the sleeve rod (51) and the telescopic rod (52); the sealing sleeve (56) is fixedly connected to the end of the sleeve rod (51); and the sealing sleeve (56) is sleeved on the telescopic rod (52).

5. The waterproof and dustproof high-precision food weighing integrated machine according to claim 1, characterized in that: A level (17) is provided on one side of the base (1); a plurality of supporting feet (7) are provided at the bottom of the base (1); the supporting feet (7) include a connecting rod (71); one end of the connecting rod (71) is fixedly connected to a pad (72); a connecting seat (14) is provided on the base (1); a mounting hole (15) is provided on the connecting seat (14); one end of the connecting rod (71) away from the pad (72) is slidably connected to the mounting hole (15) A third elastic member (75) is provided between the connecting rod (71) and the mounting hole (15), one end of the third elastic member (75) abuts against a convex ring (74) provided at the end of the connecting rod (71), and the other end of the third elastic member (75) abuts against a sealing plate (16) provided at the opening of the mounting hole (15); an adjusting member (73) is threadedly connected to the connecting rod (71), and one side of the adjusting member (73) abuts against the end surface of the connecting seat (14).

6. The waterproof and dustproof high-precision food weighing integrated machine according to claim 3 is characterized in that: The display control component (6) comprises a housing (61), a touch display screen (62) is mounted on the housing (61), a face recognition camera (63), a barcode scanner (64) and a card reader (65) are arranged on the housing (61) and on one side of the touch display screen (62), a circuit board is arranged in the housing (61), and the circuit board is electrically connected to the weighing sensor (2), the touch display screen (62), the face recognition camera (63), the barcode scanner (64) and the card reader (65), respectively.

7. The waterproof and dustproof high-precision food weighing integrated machine according to claim 3, characterized in that: A dish recognition camera (10) is arranged below the dustproof plate (8), and the dish recognition camera (10) faces the weighing pan (4).

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