A meat mincer

Abstract

The utility model belongs to kitchen appliance technical field discloses a meat grinder, including stirring cup, host computer, the host computer includes casing, power cord, motor, circuit board, and the casing top end includes the operation part of installing mechanical button and touch panel, the circuit board is transversely arranged between the top of motor and operation part, and the circuit board includes function setting module and mechanical operation module, is equipped with mechanical switch on mechanical operation module, and function setting module includes the strong electricity area of setting up lead group, is equipped with the first weak current area of touch spring, and the strong electricity area sets up along the circuit board edge and surrounds the first weak current area outer periphery, makes the first lead and second lead of lead group outwardly bends and extends downwards and sets up along the circuit board edge. Therefore, the host computer compact and miniaturization are realized in the application. At the same time, the strong electricity area and the first weak current area are reasonably set, avoid the cross wiring and the ripple interference between strong and weak electricity, guarantee the safe isolation and accurate control of strong and weak electricity, also improve the heat dissipation effect of circuit board.

Description

Technical Field

[0001] This utility model belongs to the field of kitchen appliance technology, specifically relating to a meat grinder. Background Technology

[0002] Some existing meat grinders now feature integrated smart electronic touchscreens and mechanical buttons, allowing users to operate them via touch or mechanical pressing to control the time and meet various user needs.

[0003] For example, some meat grinders have a touchscreen on the top wall of the main unit and a corresponding low-voltage function keypad. The keypad includes function indicator lights, a digital display, and function selection buttons. Below the function selection buttons is a side-triggered microswitch. The main unit also has a high-voltage power board connected to an external power source and motor. The main unit has a side-protruding handle with a mechanical button. The user presses the mechanical switch to trigger the microswitch, energizing the motor. Therefore, the main unit has two circuit boards: a high-voltage power board and a separate low-voltage keypad. The power board is curved and located on the outer periphery of the keypad. Because the mechanical button is mounted on the handle and the power board is separately located on the outer periphery of the keypad, the radial dimensions of the main unit are increased, resulting in a large size and complex structure.

[0004] For example, patent CN201721203744.9 discloses an improved circuit board assembly structure for a shredder cover assembly. This involves placing a low-voltage control board on the top of the main unit, with mechanical push-button switches and function indicator lights on top of the control board; and placing a high-voltage power board directly below the control board. Although this solution stacks the control board and power board, reducing the radial space of the main unit, it still requires separate circuit boards to separate the high and low voltage circuits, resulting in a complex main unit structure and large size. Utility Model Content

[0005] This utility model provides a meat grinder that integrates a touch panel and mechanical buttons to meet various user needs, while solving the technical problem of existing technologies that require two separate circuit boards to separate strong and weak current circuits, resulting in a large main unit size and complex structure.

[0006] The technical solution adopted in this utility model is as follows:

[0007] This utility model provides a meat grinder, including a mixing cup with a built-in mixing element and a main unit mounted on the mixing cup. The main unit includes a housing, a power cord fixed to the housing, a plug at one end of the power cord, a motor built into the housing, and a circuit board. The motor drives the mixing element to rotate. The top of the housing includes an operation section with mechanical buttons and a touch panel. The circuit board is horizontally positioned between the top of the motor and the operation section. The circuit board includes a function setting module corresponding to the touch panel and a mechanical operation module corresponding to the mechanical buttons. The mechanical operation module is provided with a mechanical switch triggered by pressing the mechanical buttons. The function setting module includes a high-voltage area with a lead wire group and a first low-voltage area with a touch spring. The lead wire group includes a first lead wire connected to the motor and a second lead wire connected to the power cord. The high-voltage area is arranged along the edge of the circuit board and surrounds the outer periphery of the first low-voltage area, so that the first lead wire and the second lead wire are bent outward and extended downward at the edge of the circuit board.

[0008] The meat grinder provided by this utility model includes an operating section at the top of the housing, which is equipped with mechanical buttons and a touch panel. The touch panel allows users to select functions by touch, while the mechanical buttons are used for pressing to control the operation time, providing users with multiple selectable operation modes to meet various usage needs. By placing the circuit board horizontally between the top of the motor and the operating section, the circuit board and the motor share the internal radial space of the main unit, reducing the radial dimension of the main unit and resulting in a compact structure. The circuit board includes a function setting module corresponding to the touch panel and a mechanical operation module corresponding to the mechanical buttons. The function setting module includes a high-voltage area with lead wires and a first low-voltage area with touch springs. Therefore, the mechanical operation module, the high-voltage area, and the first low-voltage area are integrated together using a single circuit board. The high-voltage area is positioned along the edge of the circuit board and surrounds the outer periphery of the first low-voltage area, achieving spatial avoidance and isolation between them. Because the high-voltage area surrounds the first low-voltage area, their arrangement is optimized so that the lead wires extending from the high-voltage area can bend outwards and downwards on the power board. In other words, the lead wires in the high-voltage area bend away from the first low-voltage area and extend downwards, without needing to pass through the first low-voltage area. This prevents cross-wiring, ensures safe isolation between high and low voltage circuits, and prevents excessive ripple interference in the low-voltage section caused by the coupling of high and low voltage signals, thus preventing control-related anomalies and ensuring sensitive and accurate host control.

[0009] Meanwhile, since the high-voltage zone is set along the edge of the circuit board and surrounds the outer periphery of the first low-voltage zone, the heat dissipation of the power devices and high-voltage components in the high-voltage zone is also more convenient, and can be directly dissipated radially outward, improving the heat dissipation effect of the circuit board. The heat corresponding to the high-voltage zone can also have the least impact on the first low-voltage zone, further making the control of the first low-voltage zone more accurate and sensitive.

[0010] Therefore, the circuit board provided in this application achieves functional integration, simplifies the number of circuit boards inside the host, and enables the host to be compact and miniaturized. Simultaneously, it rationally sets up the high-voltage area and the first low-voltage area, avoiding cross-wiring and ripple interference between high and low voltage circuits, ensuring safe isolation and accurate control of high and low voltage circuits; it also improves the heat dissipation effect of the circuit board.

[0011] In a preferred embodiment, the first low-voltage zone is provided with a digital display tube, and the high-voltage zone surrounds the outer periphery of the digital display tube.

[0012] By incorporating a digital display tube, the touch panel can display numbers. For example, after a user selects a function and presses a mechanical button to start the program, the digital display tube can display the corresponding function's timing data in real time, providing user feedback, simplifying operation, and improving the human-computer interaction experience. Simultaneously, by surrounding the high-voltage area with the digital display tube, the digital display tube itself acts as a physical isolation between the high-voltage area and the first low-voltage area, ensuring safety and eliminating the need for additional isolation structures, thus simplifying the circuit board structure.

[0013] In a preferred embodiment, the first low-voltage area is further provided with LED beads, and multiple LED beads are arranged in a row at intervals. The touch spring and the digital display tube are separated by the LED beads, and the digital display tube is closer to the edge of the circuit board than the touch spring.

[0014] By placing LEDs in the first low-voltage zone, the touch panel can be illuminated, allowing users to select functions more clearly and operate more intuitively. Since the touch spring is larger than the digital display tube, occupying a significant amount of space, multiple LEDs are arranged in a row with spacing between them. The touch spring and the digital display tube are separated by the LEDs, making efficient use of the gap between them to arrange the LEDs. This achieves a compact circuit board structure. Furthermore, the touch spring is conductive, and the digital display tube is closer to the edge of the circuit board than the touch spring. This effectively keeps the touch spring away from the high-voltage zone at the edge of the circuit board, preventing the touch spring from being affected by high voltage and posing a safety hazard to the user. Simultaneously, the touch spring is closer to the center of the circuit board, allowing the user to operate closer to the center of the entire main unit's operating area, making operation more convenient.

[0015] In a preferred embodiment, the operating part is provided with a first limiting wall extending toward the circuit board, the first limiting wall surrounding the outer periphery of the digital display tube.

[0016] By setting a first limiting part around the digital display tube, a second layer of physical isolation is formed, based on the first physical isolation effect created by the digital display tube itself, thus achieving reliable isolation between strong and weak currents and preventing signal interference. The digital display tube itself protrudes from the circuit board, and the first limiting wall also provides radial restraint for the digital display tube, preventing it from detaching or shifting from the circuit board in case the host is dropped, making the installation of the digital display tube more stable.

[0017] In a preferred embodiment, the function setting module further includes a transformer zone with a transformer, the transformer zone and the high-voltage zone are arranged sequentially along the edge of the circuit board, and LED beads are arranged between the transformer zone and the high-voltage zone.

[0018] By incorporating a transformer, a safe low-voltage circuit can be created to power safety switches within the main unit, preventing electric shock and improving user safety. When the high-voltage area is insufficient to occupy the entire edge of the circuit board, the transformer area and the high-voltage area are sequentially arranged along the edge of the circuit board, making efficient use of the board's mounting space. This results in a compact structure, reduced circuit board size, and miniaturization of the main unit. Furthermore, by placing LEDs between the transformer area and the high-voltage area, the LEDs illuminate the touch panel while also physically isolating the transformer area from the first low-voltage area.

[0019] In a preferred embodiment, the first low-voltage zone is further provided with a buzzer, and the touch spring is located between the transformer and the buzzer.

[0020] By incorporating a buzzer, audible alerts can be provided during user operations, enhancing the human-computer interaction experience. Furthermore, compared to the LEDs and high-voltage components on the circuit board, the buzzer, touch spring, and transformer are larger and take up more space. Arranging these three components sequentially and close together results in a more rational and compact circuit board layout. Positioning the buzzer near the touch spring ensures that users hear the appropriate audible alert more promptly when performing touch operations, leading to a better user experience.

[0021] In a preferred embodiment, the operating part is provided with a second limiting wall extending toward the circuit board, the second limiting wall surrounding the outer periphery of the touch spring.

[0022] By setting a second limiting wall around the touch spring, the touch spring is mechanically limited to prevent it from swaying or bending due to vibration during motor operation, thus ensuring the accuracy of touch operation. On the other hand, the second limiting wall forms a strong pressure isolation protection for the touch spring, improving the safety of touch operation.

[0023] In a preferred embodiment, the operating part is provided with a light guide tube extending toward the circuit board and abutting against the circuit board, the circuit board is provided with LED beads, and the light guide tube is arranged around the LED beads.

[0024] By incorporating a light guide that surrounds the LED beads, the light from the beads is concentrated to illuminate the corresponding functions on the touch panel, preventing it from diffusing into adjacent functions and causing a blurry display. This ensures a clear touch panel display and intuitive user operation. Simultaneously, the light guide abuts against the circuit board to enclose the LED beads, physically isolating them from high-voltage areas.

[0025] In a preferred embodiment, the operating unit includes a mounting platform for mounting the touch panel and a mounting recess that is recessed relative to the mounting platform. The mechanical button is movably mounted on the mounting recess, and when the mechanical button is not under force, the mechanical button is flush with the top of the touch panel.

[0026] By setting up an installation platform and a mounting base, sufficient mounting positions are provided for the touch panel and mechanical buttons, making reasonable and compact use of the space in the operating section. At the same time, the mounting base ensures that when the mechanical buttons are not under force, the top of the mechanical buttons is flush with the top of the touch panel, making the top of the host flat, the product aesthetically pleasing, and preventing accidental touches due to abrupt mechanical button protrusion, thus ensuring operational safety.

[0027] In a preferred embodiment, the mounting platform is provided with a trigger hole corresponding to the mechanical switch, and the mounting platform and the circuit board clamp a sealing element, which extends from the edge toward the trigger hole and covers the mechanical switch.

[0028] By setting a seal that extends from the edge toward the trigger hole and covers the mechanical switch, the mechanical switch is waterproofed, preventing damage. At the same time, the seal, which is clamped between the mounting platform and the circuit board, effectively prevents water from entering the main unit and protects electrical components such as the circuit board and motor.

[0029] In a preferred embodiment, the circuit board further includes an information identification module located outside the function setting module and the mechanical operation module, the information identification module being provided with an identification area.

[0030] By setting up an information labeling module, the space on the circuit board is fully utilized. The labeling module has a labeling area that can help assemblers provide some relevant information such as the type of circuit board or other relevant information, making it easier for assemblers to select and install accurately. Attached Figure Description

[0031] The accompanying drawings, which are included to provide a further understanding of the present invention and constitute a part of this invention, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0032] Figure 1 This is an exploded structural diagram of a meat grinder in one embodiment of the present invention;

[0033] Figure 2 This is a cross-sectional schematic diagram of the host in one embodiment of the present invention;

[0034] Figure 3 This is a schematic diagram of the circuit board structure in one embodiment of the present invention;

[0035] Figure 4 This is a lower view of the structure of the operating part in one embodiment of the present invention;

[0036] Figure 5 This is a partial cross-sectional schematic diagram of the host in one embodiment of the present invention;

[0037] Figure 6 This is another partial cross-sectional view of the host in one embodiment of the present invention;

[0038] Figure 7 This is a schematic diagram of the upper side of the operating part in one embodiment of the present invention;

[0039] Figure 8 This is a partial cross-sectional view of the host in one embodiment of the present invention.

[0040] List of components and reference numerals:

[0041] 20. Mixing cup; 10. Main unit; 11. Housing; 12. Operating unit; 121. Mechanical button; 122. Touch panel; 123. Mounting platform; 124. Mounting platform; 125. Trigger hole; 13. First limiting wall; 14. Second limiting wall; 15. Light guide tube; 30. Circuit board; 301. Wiring notch; 302. Motor neutral wire pin; 303. Motor live wire pin; 304. Power supply neutral wire pin; 305. Power supply live wire pin; 31. Mechanical switch; 32. Touch spring; 33. Digital display tube; 34. LED bead; 35. Transformer; 36. Buzzer; 37. Identification area; 40. Power cord; 50. Seal; 60. Motor. Detailed Implementation

[0042] To more clearly illustrate the overall concept of this utility model, a detailed description will be provided below with reference to the accompanying drawings.

[0043] Many specific details are set forth in the following description to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below. It should be noted that, unless otherwise specified, the embodiments of the present invention and the features thereof can be combined with each other.

[0044] Furthermore, it should be understood in the description of this utility model that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0045] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0046] In this utility model, unless otherwise expressly specified and limited, the first feature "on" or "below" the second feature may be in direct contact with the first and second features, or indirect contact through an intermediate medium. In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0047] like Figure 1 , 2As shown in Figure 3, in one embodiment of this utility model, a meat grinder is provided, including a mixing cup 20 with a built-in mixing element and a main unit 10 mounted on the mixing cup 20. The main unit 10 includes a housing 11, a power cord 40 fixed to the housing 11, a plug located at one end of the power cord 40, a motor 60 built into the housing 11, and a circuit board 30. The motor 60 drives the mixing element to rotate. The top of the housing 11 includes an operation section 12 with mechanical buttons 121 and a touch panel 122 mounted on it. Figure 2 As shown, the circuit board 30 is horizontally positioned between the top of the motor 60 and the operating section 12. The circuit board 30 includes a function setting module corresponding to the touch panel 122 and a mechanical operation module corresponding to the mechanical buttons 121. Figure 1 , Figure 3 The mechanical operation module is equipped with a mechanical switch 31 triggered by pressing the mechanical button 121. The function setting module includes a high-voltage area P1 with a lead wire group and a first low-voltage area P2 with a touch spring 32. The lead wire group includes a first lead wire connected to the motor 60 and a second lead wire connected to the power line 40. The high-voltage area P1 is set along the edge of the circuit board 30 and surrounds the outer periphery of the first low-voltage area P2, so that the first lead wire and the second lead wire are bent outward and extended downward at the edge of the circuit board 30.

[0048] like Figure 3 As shown, preferably, the high-voltage area P1 is provided with multiple pins, and lead groups are connected to the pins. The pins include a motor neutral pin 302, a motor live pin 303, a power supply neutral pin 304, and a power supply live pin 305; the first lead includes the motor neutral wire and the motor live wire, and the second lead includes the power supply neutral wire and the power supply live wire. Preferably, a wire-passing notch 301 is provided at the edge of the circuit board 30, and both the first and second leads are bent and confined within the notch, extending downwards on the same side of the motor 60. This facilitates centralized wiring.

[0049] like Figure 3As shown, the meat grinder provided by this utility model includes an operation section 12 at the top of the housing 11, which is equipped with mechanical buttons 121 and a touch panel 122. The touch panel 122 allows users to select functions by touch, while the mechanical buttons 121 are used for pressing to control the operation time, providing users with multiple selectable operation modes to meet various user needs. By placing the circuit board 30 horizontally between the top of the motor 60 and the operation section 12, the circuit board 30 and the motor 60 share the radial space inside the main unit 10, reducing the radial dimension of the main unit 10 and resulting in a compact structure. The circuit board 30 includes a function setting module corresponding to the touch panel 122 and a mechanical operation module corresponding to the mechanical buttons 121. The function setting module includes a high-voltage area P1 with lead wires and a first low-voltage area P2 with a touch spring 32. Therefore, the mechanical operation module, the high-voltage area P1, and the first low-voltage area P2 are integrated together using a single circuit board 30. Simultaneously, the high-voltage area P1 is positioned along the edge of the circuit board 30 and surrounds the outer periphery of the first low-voltage area P2, achieving positional avoidance and isolation between the high-voltage area P1 and the first low-voltage area P2. The high-voltage zone P1 surrounds the first low-voltage zone P2. The arrangement of the two zones is reasonably set so that the lead group from the high-voltage zone P1 can bend outward and extend downward on the power board. In other words, the lead group of the high-voltage zone P1 bends away from the first low-voltage zone P2 and extends downward. The lead group does not need to pass through the first low-voltage zone P2, which prevents cross routing and ensures safe isolation between high and low voltage. It also prevents the coupling of high and low voltage noise from causing excessive ripple interference in the low-voltage part, resulting in control-related abnormalities, and realizes the sensitivity and accuracy of the host 10 control.

[0050] Meanwhile, since the high-voltage area P1 is set along the edge of the circuit board 30 and surrounds the outer periphery of the first low-voltage area P2, the heat dissipation of the power devices and high-voltage components in the high-voltage area P1 is also more convenient, and can be directly dissipated radially outward, improving the heat dissipation effect of the circuit board 30. The heat corresponding to the high-voltage area P1 can also have the least impact on the first low-voltage area P2, further making the control of the first low-voltage area P2 more accurate and sensitive.

[0051] Therefore, the circuit board 30 provided in this application integrates the functions of the circuit board 30, simplifies the number of circuit boards inside the host 10, and makes the host 10 compact and miniaturized. At the same time, the high-voltage area P1 and the first low-voltage area P2 are reasonably set to avoid cross-wiring and ripple interference between high and low voltage, ensuring safe isolation and accurate control of high and low voltage; it also improves the heat dissipation effect of the circuit board 30.

[0052] It should be noted that the touch panel in this invention can be a glass screen, a plastic screen, or a face mask. For example, the touch panel can be a face mask printed with function words such as meat pieces, dough kneading, and root vegetables.

[0053] In addition, in this utility model, the mechanical switch 31 is a self-locking switch, and the mechanical operation module includes a second low-voltage zone P4 equipped with a self-locking switch.

[0054] Of course, in other embodiments, the first lead and the second lead are each bent directly outwards, and the first lead and the second lead extend downwards on different sides of the motor 60. Additionally, it should be noted that the circuit board in this invention can be circular or square. Preferably, the main unit is cylindrical, and the circuit board is shaped like a circular plate to fully utilize the internal space of the main unit.

[0055] like Figure 3 As shown, in a preferred embodiment, the first low-voltage zone P2 is provided with a digital display tube 33, and the high-voltage zone P1 surrounds the outer periphery of the digital display tube 33.

[0056] By setting up the digital display tube 33, the touch panel 122 can display numbers. For example, after the user selects a function and presses the mechanical button 121 to start the program, the digital display tube 33 can display the timing data of the corresponding function in real time, providing prompts to the user. This simplifies operation and improves the human-computer interaction experience. At the same time, by surrounding the high-voltage area P1 with the digital display tube 33, the digital display tube 33 itself acts as a physical isolation between the high-voltage area P1 and the first low-voltage area P2, ensuring safety. This eliminates the need for additional isolation structures and simplifies the structure of the circuit board 30.

[0057] like Figure 3 As shown, in a preferred embodiment, the first low-voltage zone P2 is further provided with LED beads 34. Multiple LED beads 34 are provided and arranged in a row at intervals. The touch spring 32 and the digital display tube 33 are separated by the LED beads 34. The digital display tube 33 is closer to the edge of the circuit board 30 than the touch spring 32.

[0058] By placing LED beads 34 in the first low-voltage zone P2, the touch panel 122 can be illuminated, allowing users to select functions more clearly and operate more intuitively. Since the touch spring 32 and digital display tube 33 are larger than the LED beads 34, occupying a significant amount of space, multiple LED beads 34 are arranged in a row with spacing between them. The touch spring 32 and digital display tube 33 are separated by the LED beads 34, making efficient use of the gap between them to arrange the LED beads 34. This achieves a compact utilization of the circuit board 30 structure. Furthermore, the touch spring 32 is conductive, and the digital display tube 33 is closer to the edge of the circuit board 30 than the touch spring 32. This means the touch spring 32 is away from the high-voltage zone P1 located at the edge of the circuit board 30, preventing the touch spring 32 from being affected by the high-voltage zone P1 and causing a danger to the user's touch operation, thus ensuring greater safety and reliability. Simultaneously, the touch spring 32 is also closer to the center of the circuit board 30, allowing the user to operate closer to the center of the entire host 10's operating section 12, making operation convenient. Figure 3The touch spring 32 is positioned near the center of the circuit board, which facilitates user operation and makes good use of the installation space on the circuit board.

[0059] like Figure 3 As shown, in a preferred embodiment, the function setting module further includes a transformer area P3 with a transformer 35, the transformer area P3 and the high voltage area P1 are arranged sequentially along the edge of the circuit board 30, and an LED bead 34 is provided between the transformer area P3 and the high voltage area P1.

[0060] By setting up transformer 35, a safe low-voltage circuit can be created to power some safety switches inside the host 10, preventing users from getting electric shock and improving safety. Since the high-voltage area P1 is insufficient to occupy the entire edge of the circuit board 30, transformer area P3 and high-voltage area P1 are arranged sequentially along the edge of the circuit board 30, making reasonable use of the installation space of the circuit board 30, resulting in a compact structure, reducing the size of the circuit board 30, and miniaturizing the host 10. Simultaneously, by placing LED beads 34 between transformer area P3 and high-voltage area P1, the LED beads 34 illuminate the touch panel 122 while also physically isolating transformer area P3 from the first low-voltage area P2.

[0061] like Figure 3 As shown, in a preferred embodiment, the first low-voltage zone P2 is further provided with a buzzer 36, and the touch spring 32 is located between the transformer 35 and the buzzer 36.

[0062] By incorporating a buzzer 36, a beeping prompt can be made during user operation, enhancing the human-computer interaction experience. Furthermore, compared to the LED beads 34 and high-voltage components on the circuit board 30, the buzzer 36, touch spring 32, and transformer 35 are larger and occupy more space. Arranging these three components sequentially and close together results in a more rational and compact spatial layout for the circuit board 30. With the buzzer 36 positioned close to the touch spring 32, users can hear the corresponding beeping prompt more promptly when performing touch operations, leading to a better user experience.

[0063] like Figure 3 As shown, in a preferred embodiment, the circuit board 30 further includes an information identification module located outside the function setting module and the mechanical operation module. The information identification module is provided with an identification area 37. For example, the identification area includes a QR code or model information table storing electronic data of the circuit board. Optionally, the QR code and model information table are located on both sides of the mechanical switch 31. Optionally, the identification area 37 is printed with identification information, or the identification area has an identification layer affixed to the information identification module.

[0064] By setting up an information identification module, the space on the circuit board 30 is fully utilized. The identification module has an identification area that can help provide the assembler with information such as the type of circuit board 30 or other relevant information, making it easier for the assembler to select and install it accurately.

[0065] It should be noted that in this utility model, the operating part 12 is separately disposed on the top cover of the housing 11. Of course, the operating part 12 and the housing 11 can be integrated.

[0066] Furthermore, this utility model does not limit the specific structure of the operating part, such as... Figure 4 As shown, in a preferred embodiment, the operating part 12 is provided with a first limiting wall 13 extending toward the circuit board 30, combined with Figure 4 , 5 As shown, the first limiting wall 13 surrounds the outer periphery of the digital display tube 33.

[0067] By setting a first limiting part around the digital display tube 33, a second layer of physical isolation is formed by the first limiting part, in addition to the first physical isolation effect created by the digital display tube 33 itself, thus achieving reliable isolation between strong and weak currents and preventing signal interference. The digital display tube 33 itself protrudes from the circuit board 30, and the first limiting wall 13 also provides radial restraint for the digital display tube 33, preventing it from detaching or shifting from the circuit board 30 in case the host 10 is dropped, thus making the installation of the digital display tube 33 more stable.

[0068] like Figure 1 , 4 As shown, in a preferred embodiment, the operation part 12 is provided with a second limiting wall 14 extending toward the circuit board 30, and the second limiting wall 14 surrounds the outer periphery of the touch spring 32.

[0069] By setting a second limiting wall 14 around the touch spring 32, the touch spring 32 is mechanically limited to prevent it from swaying or bending due to vibration during the operation of the motor 60, thus ensuring the accuracy of touch operation. On the other hand, the second limiting wall 14 forms a strong pressure isolation protection for the touch spring 32, improving the safety of touch operation.

[0070] like Figure 4 , 6 As shown, in a preferred embodiment, the operation unit 12 is provided with a light guide tube 15 extending toward the circuit board 30 and abutting against the circuit board 30. The circuit board 30 is provided with a lamp bead 34 protruding from it, and the light guide tube 15 is arranged around the lamp bead 34.

[0071] By setting up a light guide tube that surrounds the LED bead 34, the light from the LED bead 34 is concentrated and emitted to illuminate the corresponding function of the touch panel 122, without diffusing to adjacent functions and causing a blurry display effect. This makes the display of the touch panel 122 clear and the user operation clear. At the same time, the light guide tube 15 abuts against the circuit board 30 to surround the LED bead 34, thus physically isolating the LED bead 34 from the high-voltage area P1.

[0072] This utility model does not limit the installation of mechanical buttons and displays, and combines... Figure 1 , Figure 7 As shown, in a preferred embodiment, the operation unit 12 includes a mounting platform 123 for mounting the touch panel 122 and a mounting recess 124 that is recessed relative to the mounting platform 123. The mechanical button 121 is movably mounted on the mounting recess 124. When the mechanical button 121 is not under force, the mechanical button 121 is flush with the top of the touch panel 122.

[0073] More preferably, such as Figure 8 As shown, the mounting platform 124 is provided with a trigger hole 125 corresponding to the contact rod of the mechanical switch 31. The mounting platform 124 and the circuit board 30 clamp a sealing member 50, which extends from the edge toward the trigger hole and covers the mechanical switch 31.

[0074] By setting up the mounting platform 123 and the mounting recess 124, sufficient mounting positions are provided for the touch panel 122 and the mechanical button 121, making reasonable and compact use of the space of the operating section 12. At the same time, the mounting recess 124 ensures that when the mechanical button 121 is not under force, the top of the mechanical button 121 is flush with the top of the touch panel 122, making the top of the host 10 flat, the product aesthetically pleasing, and preventing the mechanical button 121 from being abruptly touched, thus ensuring operational safety. By setting up a sealing element 50, which extends from the edge towards the trigger hole and covers the mechanical switch 31, a waterproof effect is achieved for the mechanical switch 31, preventing damage to the mechanical switch 31. At the same time, the sealing element 50, which is clamped between the mounting recess 124 and the circuit board 30, effectively prevents water from entering the host 10, protecting the circuit board 30, motor 60, and other electrical components.

[0075] The limiting method for the mechanical button in this application can be as follows: a locking hole is provided in the mounting platform 124, and the mechanical button 121 is provided with a buckle that engages with the locking hole. A spring is also provided between the mechanical button 121 and the mounting platform 124. Of course, in other embodiments, a mounting hole can be provided in the mounting platform 124, and the mechanical button can be movably connected to the mounting hole through a flexible silicone ring.

[0076] For any parts not mentioned in this utility model, existing technologies can be used or referenced.

[0077] The various embodiments in this specification are described in a progressive manner. The same or similar parts between the various embodiments can be referred to each other. Each embodiment focuses on describing the differences from other embodiments.

[0078] The above are merely embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this utility model should be included within the scope of the claims of this utility model.

Claims

1. A meat grinder, comprising a mixing cup with a built-in mixing element and a main unit mounted on the mixing cup, the main unit comprising a housing, a power cord fixed to the housing, a plug disposed at one end of the power cord, a motor built into the housing, and a circuit board, the motor driving the mixing element to rotate, characterized in that, The top of the housing includes an operating section with mechanical buttons and a touch panel. The circuit board is horizontally positioned between the top of the motor and the operating section. The circuit board includes a function setting module corresponding to the touch panel and a mechanical operation module corresponding to the mechanical buttons. The mechanical operation module is equipped with a mechanical switch triggered by pressing the mechanical buttons. The function setting module includes a high-voltage area with lead wires and a first low-voltage area with a touch spring. The lead wires include a first lead wire connected to the motor and a second lead wire connected to the power supply line. The high-voltage area is arranged along the edge of the circuit board and surrounds the outer periphery of the first low-voltage area, so that the first lead wire and the second lead wire are bent outward and extended downward at the edge of the circuit board.

2. A meat grinder according to claim 1, characterized in that, The first low-voltage zone is equipped with a digital display tube, and the high-voltage zone surrounds the outer periphery of the digital display tube.

3. A meat grinder according to claim 2, characterized in that, The first low-voltage area is also equipped with LED beads. Multiple LED beads are arranged in a row at intervals. The touch spring and the digital display tube are separated by the LED beads. The digital display tube is closer to the edge of the circuit board than the touch spring.

4. A meat grinder according to claim 2, characterized in that, The operating part is provided with a first limiting wall extending toward the circuit board, and the first limiting wall surrounds the outer periphery of the digital display tube.

5. A meat grinder according to claim 1, characterized in that, The function setting module also includes a transformer area with a transformer. The transformer area and the high-voltage area are arranged sequentially along the edge of the circuit board, and LED beads are arranged between the transformer area and the high-voltage area.

6. A meat grinder according to claim 1, characterized in that, The first low-voltage zone is also equipped with a buzzer, and the touch spring is located between the transformer and the buzzer.

7. A meat grinder according to claim 1, characterized in that, The operating part is provided with a second limiting wall extending toward the circuit board, and the second limiting wall surrounds the outer periphery of the touch spring; Alternatively, the operating part may have a light guide tube extending toward the circuit board and abutting against the circuit board, the circuit board having protruding LED beads, and the light guide tube being arranged around the LED beads.

8. A meat grinder according to claim 1, characterized in that, The operating unit includes a mounting platform for mounting the touch panel and a mounting recess that is recessed relative to the mounting platform. The mechanical button is movably mounted on the mounting recess. When the mechanical button is not under force, the mechanical button is flush with the top of the touch panel.

9. A meat grinder according to claim 8, characterized in that, The mounting platform is provided with a trigger hole corresponding to the mechanical switch. The mounting platform and the circuit board clamp a sealing element, which extends from the edge toward the trigger hole and covers the mechanical switch.

10. A meat grinder according to claim 1, characterized in that, The circuit board also includes an information identification module located outside the function setting module and the mechanical operation module, and the information identification module is provided with an identification area.

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