Food processor

By setting up non-metallic heat insulation in the food processor to isolate the heat transfer between the brushless motor and the heating plate, the serious temperature rise of the brushless motor is solved, and the stable working of the motor and space compression are achieved.

CN223208273UActive Publication Date: 2025-08-12HONGYANG HOME APPLIANCES
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Patent Information

Application Number
CN202422097905.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-28
Publication Date
2025-08-12
Estimated Expiration
2034-08-28

AI Technical Summary

Technical Problem

The temperature rise of brushless motors due to axial high compression in food processors is severe, resulting in weakening of the magnetic properties of the stator and rotor, and even demagnetization of permanent magnets, affecting the stability and service life of the machine.

Method used

A non-metallic heat insulating member is provided between the brushless motor and the heating disk. The heat insulating member is fixedly connected to the heating disk and the brushless motor body is fixed through the lower end cover to isolate the heat transfer between the heating disk and the motor body. A non-metallic heat insulating member is used to reduce the thermal conductivity and form a heat insulating cavity structure.

Benefits of technology

It effectively reduces the temperature rise of the brushless motor, avoids permanent magnet demagnetization, improves the stability and service life of the motor, and compresses the axial height and space occupied by the entire machine.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of kitchen appliances, and discloses a food processor, which comprises a cup body with a built-in crushing cutter, a heating disc fixed at the bottom of the cup body, and a brushless motor positioned below the heating disc and used for driving the crushing cutter, a non-metal heat insulation part is arranged between the heating disc and the main body and fixedly connected to the heating disc, and the lower end cover is fixedly connected to the heat insulation part so that the main body can be hoisted and fixed below the heat insulation part. According to the food processor provided by the utility model, the height of the brushless motor is compressed, and meanwhile, the heat insulation piece, the lower end cover and the heating disc are arranged to realize complete isolation without contact heat conduction, so that the heat transfer from the heating disc to the lower end cover and the main body is greatly reduced, and the temperature rise of the brushless motor is improved; the magnetic weakening phenomenon of the permanent magnet of the stator and the coil of the rotor in the main body is effectively reduced, the demagnetization of the permanent magnet is avoided, and the stable work of the brushless motor is realized.
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Description

Technical Field

[0001] The utility model belongs to the technical field of kitchen appliances, and particularly relates to a food processing machine. Background Art

[0002] With the advancement of technology, more and more food processors are changing from traditional series-wound motor drives to brushless motor drives. Compared with series-wound motors, brushless motors are smaller in size, have constant and controllable speed and torque, and have low operating vibration and low noise, which improves the user experience of food processors.

[0003] For example, the patent application number 202322295197.3 previously filed by the applicant discloses a convenient food processor, including a brushless motor, which includes a motor body and a motor lower shell arranged on the outside of the bottom of the motor body. The motor lower shell is fixedly connected to the heating plate to fix the motor body between the motor lower shell and the heating plate, and the top end of the motor shaft of the motor body is fixedly connected to the stirring element. This solution can achieve the fixation of the entire motor body and the heating plate with only a motor lower shell, further reducing the number of parts and components. At the same time, it compresses the axial height of the integrated assembly of the brushless motor and the heating plate, thereby making the axial height of the entire machine lower and thinner, further reducing the space occupied by the food processor, and at the same time lowering the center of gravity height of the entire machine, making the food processor more stable during operation.

[0004] However, during further research, the applicant discovered that as the axial size of the brushless motor is compressed, the distance between the stator and the rotor in the brushless motor and the heating plate is greatly shortened. When the user uses the food processor, the heat generated by the heating plate will be directly transferred to the brushless motor, causing the brushless motor to have a serious temperature rise, and the magnetism of the stator's permanent magnet and the rotor's coil will be weakened or even the permanent magnet will be demagnetized, causing the brushless motor to rotate unstably or even unable to rotate, which in turn causes the user to be unable to use the food processor normally to process food ingredients, seriously affecting the consumer experience. Utility Model Content

[0005] The utility model provides a food processing machine which adopts a brushless motor to drive and compresses the axial height between the brushless motor and the heating plate, thereby solving the problem of serious temperature rise caused by the brushless motor being radiated more heat from the heating plate due to the axial height compression.

[0006] The technical solution adopted by this utility model is:

[0007] The utility model provides a food processing machine, comprising a cup body with a built-in crushing knife, a heating plate fixed to the bottom of the cup body, and a brushless motor located below the heating plate and driving the crushing knife. The brushless motor comprises a main body and a lower end cover supporting the main body. A non-metallic heat insulating member is arranged between the heating plate and the main body, the heat insulating member is fixedly connected to the heating plate, and the lower end cover is fixedly connected to the heat insulating member so that the main body is hoisted and fixed below the heat insulating member.

[0008] The food processing machine provided by the present invention adopts a brushless motor to drive a crushing blade. The brushless motor includes a main body and a lower end cover supporting the main body, which is fixedly connected to the heating plate through a heat insulating member. The lower end cover is fixedly connected to the heat insulating member to hoist and fix the main body below the heat insulating member, eliminating the need for traditional motor upper end cover fixation, thereby compressing the height space between the brushless motor and the heating plate along the motor axis, compressing the height of the brushless motor, improving the compactness of the internal structure of the whole machine, achieving a lower and thinner axial height of the whole machine, reducing the occupied space of the food processing machine, lowering the working center of gravity, and making the operation stable. By arranging a non-metallic heat insulating member between the heating plate and the main body, since the end cover or bracket of the traditional brushless motor is generally metal, the non-metallic heat insulating member has low thermal conductivity compared to metal parts, and has low thermal conductivity, the use of a non-metallic heat insulating member can reduce the heat generated by the heating plate from being directly transferred to the main body. The thermal insulation member is fixedly connected to the heating plate, and the lower end cover is fixedly connected to the thermal insulation member so as to hoist and fix the main body below the thermal insulation member. Therefore, the lower end cover is fixedly connected to the thermal insulation member rather than to the heating plate. The lower end cover and the heating plate are completely isolated, and there is no contact heat conduction, thereby greatly reducing the heat transfer from the heating plate to the lower end cover and the main body, improving the temperature rise of the brushless motor, and effectively reducing the phenomenon of weakening of the permanent magnet of the stator in the main body and the magnetic field of the coil of the rotor, avoiding demagnetization of the permanent magnet, and realizing stable operation of the brushless motor.

[0009] In a preferred embodiment, the thermal insulation member includes a baffle that laterally blocks the heating plate and the main body and an enclosure extending downward from the baffle, and the enclosure and the baffle form an insulation cavity for accommodating the main body.

[0010] The thermal insulation component includes a baffle that is laterally separated between the heating disk and the main body and a surrounding plate extending downward from the baffle. The baffle is used to block the heat of the heating disk from radiating downward toward the main body, and the surrounding plate is used to prevent the heat of the heating disk from radiating laterally to the main body. An insulating cavity for accommodating the main body is formed by the surrounding plate and the baffle, so that the main body is more comprehensively isolated in the insulating cavity, further reducing the influence of the heating disk on the main body.

[0011] In a preferred embodiment, the thermal insulation component further includes a fixing column extending downward from the baffle, the lower end cover is fixedly connected to the fixing column, and the fixing column is connected to the enclosure as a whole.

[0012] Since the heat insulating member is non-metallic, the fixing column and the enclosure are connected as one body, thereby strengthening the structural strength of the fixing column and the enclosure, making the fixation of the fixing column and the lower end cover more reliable.

[0013] In a preferred embodiment, the enclosure includes a plurality of sub-plates spaced apart along the circumference of the main body, and a heat dissipation opening is formed between two adjacent sub-plates.

[0014] Since the main body of the variable frequency brushless engine will generate heat during operation, the enclosure includes a plurality of sub-plates arranged at intervals along the circumference of the main body, and a heat dissipation vent is formed between two adjacent sub-plates, so that the heat emitted by the main body itself during operation can be discharged through the heat dissipation vent, thereby improving the temperature rise of the main body.

[0015] In a preferred embodiment, the thermal insulation member is provided with a first fixing portion fixedly connected to the heating plate and a second fixing portion fixedly connected to the lower end cover, and the first fixing portion and the second fixing portion are staggered.

[0016] By arranging the first fixing part and the second fixing part on the thermal insulation member, the thermal insulation member is connected and reliably fixed to the heating disk by using the first fixing part. At the same time, the lower end cover is fixed by using the second fixing part, so that the main body is hoisted below the thermal insulation member. Since the first fixing part is connected to the heating disk, the heat of the heating disk will be directly transferred to the first fixing part. Therefore, by staggering the first fixing part and the second fixing part, the heat of the first fixing part is avoided from being transferred to the second fixing part, thereby reducing the heat transfer from the heating disk to the lower end cover and the main body, improving the temperature rise of the main body, avoiding the weakening of the main body's magnetism, and extending the service life of the brushless motor.

[0017] In a preferred embodiment, a plurality of the first fixing parts are arranged at intervals around the center of the thermal insulation member, and a plurality of the second fixing parts are arranged at intervals around the center of the thermal insulation member, and the circle where the centers of the plurality of the second fixing parts are located is located inside or outside the circle where the centers of the plurality of the first fixing parts are located.

[0018] In a preferred embodiment, a plurality of the first fixing parts are arranged at intervals around the center of the thermal insulation member, a plurality of the second fixing parts are arranged at intervals around the center of the thermal insulation member, and a circle where the centers of the plurality of the second fixing parts are located coincides with a circle where the centers of the plurality of the first fixing parts are located.

[0019] By arranging multiple first fixing portions at intervals around the center of the thermal insulation member, the connection between the thermal insulation member and the heating plate is balanced, the thermal insulation member is stably fixed, and the thermal insulation member is prevented from tilting, ensuring reliable fixation. Similarly, by arranging multiple second fixing portions at intervals around the center of the thermal insulation member, the connection between the lower end cover and the thermal insulation member is balanced, the main body is stably fixed, the main body is more coaxial with the crushing blade during operation, transmission noise is reduced, and the fixation is reliable.

[0020] By locating the circle where the centers of the plurality of second fixing parts are located outside the circle where the centers of the plurality of first fixing parts are located, since during the installation process, it is necessary to first fix the first fixing part of the thermal insulation component to the heating plate and then fix the lower end cover to the second fixing part, the circle where the centers of the plurality of second fixing parts are located is located inside or outside the circle where the centers of the plurality of first fixing parts are located, which facilitates good avoidance with the first fixing part during the process of fixing the lower end cover, and makes assembly convenient and labor-saving. Moreover, the distance between the first fixing part and the second fixing part is enlarged, reducing direct heat transfer.

[0021] By aligning the circle where the centers of the plurality of second fixing portions are located with the circle where the centers of the plurality of first fixing portions are located, the outer diameter of the thermal insulation component can be reduced and the structure can be made compact.

[0022] In a preferred embodiment, the first fixing portion is a fixing hole passing through the heat insulating member, and the fastener passes through the fixing hole and is locked to the heating plate;

[0023] Alternatively, the second fixing portion is a stud protruding downward from the thermal insulation component, and the fastener passes through the lower end cover and is locked to the stud.

[0024] The first fixing portion is configured as a fixing hole, and a fastener is passed through the fixing hole to be locked to the heating plate, simplifying the fixing method between the thermal insulation member and the heating plate, achieving efficient fixing and convenient assembly and disassembly. When the thermal insulation member is aged or damaged due to heat and needs to be replaced, it is convenient to remove and replace the thermal insulation member. The second fixing portion is a stud protruding downward from the thermal insulation member, and the fastener is passed through the lower end cover and locked to the stud, simplifying the fixing method between the lower end cover and the thermal insulation member.

[0025] In a preferred embodiment, a temperature measuring element is fixed to the bottom of the heating plate, and the thermal insulation member is provided with a thermal insulation groove for accommodating the temperature measuring element.

[0026] By arranging a temperature measuring element at the bottom of the heating plate, the thermal insulation member is provided with an insulation groove for accommodating the temperature measuring element. Therefore, the insulation groove is used to block the heat of the temperature measuring element, effectively reducing the heat radiation caused by the heat of the heating plate to the temperature measuring element, extending the service life of the temperature measuring element, and avoiding the heat interference of the heating tube on the heating plate on the temperature measuring element, so that the detection of the temperature measuring element is accurate.

[0027] In a preferred embodiment, the thermal insulation groove includes a first thermal insulation groove and a second thermal insulation groove, and the thermal insulation component is also provided with a fixing portion, the first thermal insulation groove, the fixing portion, and the second thermal insulation groove are arranged at intervals around the center of the thermal insulation component, and the fixing portion is fixedly connected to the heating plate or the lower end cover.

[0028] Generally, multiple temperature measuring elements are provided, including fuses, temperature sensors, and thermostats. Therefore, by correspondingly configuring the heat insulation grooves to include a first heat insulation groove and a second heat insulation groove, heat insulation for different temperature measuring elements is achieved. The heat insulation element is also provided with a fixing portion. The first heat insulation groove, the fixing portion, and the second heat insulation groove are spaced apart around the center of the heat insulation element, and the fixing portion is fixedly connected to the heating plate or the lower end cover. Therefore, the fixing portion is provided in the gap between the first heat insulation groove and the second heat insulation groove to achieve a fixed connection with the heating plate or the lower end cover. This compact structure is conducive to reducing the volume of the heat insulation element, improving space utilization, and helping to reduce the radial size of the entire machine, thereby achieving a compact cup body. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0030] Figure 1 This is a structural diagram of a food processing machine in one embodiment of the present invention;

[0031] Figure 2 This is a schematic diagram of the coordination between the brushless motor and the heating plate in one embodiment of the present invention;

[0032] Figure 3 This is a schematic structural diagram of a heat insulation component in one embodiment of the present invention;

[0033] Figure 4 This is a schematic structural diagram of a heating plate in one embodiment of the present invention;

[0034] Figure 5 This is a schematic diagram of the assembly of a heat insulating member and a heating plate in one embodiment of the present invention;

[0035] Figure 6 This is a schematic diagram of the bottom structure of a brushless motor in one embodiment of the present invention.

[0036] Explanation of the accompanying reference numerals: 10, cup body; 11, crushing knife; 12, heating plate; 121, locking column; 20, brushless motor; 21, main body; 211, stator; 212, rotor; 22, lower end cover; 221, hollow column; 222, screw; 30, thermal insulation; 301, first fixing part; 302, second fixing part; 31, baffle; 32, enclosure; 33, fixing column; 34, heat dissipation port; 40, temperature measuring element; 41, fuse; 42, temperature sensor; 43, temperature controller; 51, first thermal insulation groove; 52, second thermal insulation groove; 53, third thermal insulation groove; 60, host. DETAILED DESCRIPTION

[0037] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in combination with the accompanying drawings by way of examples.

[0038] The following description sets forth many specific details to facilitate a thorough understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein, and therefore, the scope of protection of the present invention is not limited by the specific embodiments disclosed below. It should be noted that the embodiments of the present invention and the features of each embodiment may be combined with each other unless there is a conflict.

[0039] In addition, in the description of the present invention, it should be understood that the terms "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0040] In this utility model, unless otherwise expressly specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0041] In the present invention, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0042] like Figure 1-6 As shown, the present invention provides a food processor in one embodiment, including a cup body 10 with a built-in crushing blade 11, a heating plate 12 fixed to the bottom of the cup body 10, and a brushless motor 20 located below the heating plate 12 and driving the crushing blade 11. The brushless motor 20 includes a main body 21 and a lower end cover 22 supporting the main body 21. A non-metallic heat insulating member 30 is provided between the heating plate 12 and the main body 21. The heat insulating member 30 is fixedly connected to the heating plate 12, and the lower end cover 22 is fixedly connected to the heat insulating member 30 to hoist and fix the main body 21 below the heat insulating member 30. Preferably, the main body 21 includes a stator assembly 211 and a rotor assembly 212.

[0043] The food processing machine provided by the present invention adopts a brushless motor 20 to drive a crushing blade 11. The brushless motor 20 includes a main body 21 and a lower end cover 22 supporting the main body 21. The brushless motor 20 is fixedly connected to the heating plate 12 by a heat insulating member 30. The lower end cover 22 is fixedly connected to the heat insulating member 30 so as to hang and fix the main body 21 below the heat insulating member 30, eliminating the need for conventional motor upper end cover fixing, thereby compressing the height space between the brushless motor 20 and the heating plate 12 along the motor axial direction, compressing the height of the brushless motor 20, improving the compactness of the internal structure of the whole machine, achieving a lower and thinner axial height of the whole machine, reducing the occupied space of the food processing machine, lowering the working center of gravity, and making the operation stable. By arranging a non-metallic heat insulating member 30 between the heating plate 12 and the main body 21, since the end cover or bracket of the conventional brushless motor 20 is generally made of metal, the non-metallic heat insulating member 30 has low thermal conductivity compared to metal parts, and has low thermal conductivity, the use of the non-metallic heat insulating member 30 can reduce the heat generated by the heating plate 12 directly transferred to the main body 21.

[0044] The applicant first thought of using the heat insulating member 30 to isolate the heating plate and the brushless motor to achieve the heat insulating effect. However, even if the heat insulating member is provided, according to the traditional fixing method, the brushless motor will be directly hoisted on the heating plate, and the heat insulating member will be clamped between the heating plate and the brushless motor. Even if the heat insulating effect can be achieved, since the brushless motor and the heating plate are directly fixed with screws and fixing columns, the screws and fixing columns will directly conduct heat, causing the heat of the heating plate to be directly transferred to the brushless motor, and the heat insulating effect is not ideal. In the present application, the heat insulating member 30 is fixedly connected to the heating plate 1 2. The lower end cover 22 is fixedly connected to the thermal insulation member 30 so that the main body 21 is hoisted and fixed below the thermal insulation member 30. Therefore, the lower end cover 22 is fixedly connected to the thermal insulation member 30 rather than to the heating plate 12. The lower end cover 22 and the heating plate 12 are completely isolated, and there is no contact heat conduction, thereby greatly reducing the heat transfer from the heating plate 12 to the lower end cover 22 and the main body 21, improving the temperature rise of the brushless motor 20, and effectively reducing the phenomenon of weakening of the permanent magnets of the stator assembly and the coils of the rotor assembly in the main body 21, avoiding demagnetization of the permanent magnets, and realizing stable operation of the brushless motor 20.

[0045] In a preferred embodiment, Figure 2 、 Figure 3 As shown, the heat insulating member 30 includes a baffle 31 that is laterally separated between the heating plate 12 and the main body 21 and a surrounding plate 32 that extends downward from the baffle 31 . The surrounding plate 32 and the baffle 31 form a heat insulating cavity that accommodates the main body 21 .

[0046] The thermal insulation member 30 includes a baffle 31 that is laterally separated between the heating disk 12 and the main body 21 and a surrounding plate 32 that extends downward from the baffle 31. The baffle 31 is used to block the heat of the heating disk 12 from radiating downward toward the main body 21, and the surrounding plate 32 is used to prevent the heat of the heating disk 12 from radiating laterally to the main body 21. The surrounding plate 32 and the baffle 31 form an insulating cavity for accommodating the main body 21, so that the main body 21 is more comprehensively isolated in the insulating cavity, further reducing the influence of the heating disk 12 on the main body 21.

[0047] Preferably, in this embodiment, the heating plate is provided with a heating tube, which is arranged around the outer periphery of the thermal insulation cavity; of course, in practice, the heating tube can be optionally arranged between the baffle and the heating plate, that is, above the thermal insulation cavity.

[0048] More preferably, if Figure 3 As shown, the heat insulating member 30 further includes a fixing column 33 extending downward from the baffle 31 , the lower end cover 22 is fixedly connected to the fixing column 33 , and the fixing column 33 is connected to the enclosure 32 as a whole.

[0049] Since the heat insulating member 30 is non-metallic, the fixing column and the enclosure 32 are connected as one body, thereby strengthening the structural strength of the fixing column and the enclosure 32, making the fixing of the fixing column and the lower end cover 22 more reliable.

[0050] More preferably, the enclosure 32 includes a plurality of sub-plates spaced apart along the circumference of the main body 21 , and a heat dissipation opening 34 is formed between two adjacent sub-plates.

[0051] Because the main body 21 of the variable frequency brushless motor generates heat during operation, the enclosure 32 includes multiple sub-plates spaced apart along the circumference of the main body 21. Heat dissipation vents are formed between adjacent sub-plates, allowing heat dissipated by the main body 21 to be discharged through the heat dissipation vents, thereby reducing the temperature rise of the main body 21. Of course, in other embodiments, the enclosure can also be configured as an annular plate surrounding the main body, with notches provided in the annular plate to form heat dissipation vents.

[0052] In a preferred embodiment, the thermal insulation member 30 is provided with a first fixing portion 301 fixedly connected to the heating plate 12 and a second fixing portion 302 fixedly connected to the lower end cover 22 , and the first fixing portion 301 and the second fixing portion 302 are staggered.

[0053] Preferably, if Figure 3 As shown, multiple first fixing parts 301 are arranged at intervals around the center of the thermal insulation member 30, and multiple second fixing parts 302 are arranged at intervals around the center of the thermal insulation member 30. The circle where the centers of the multiple second fixing parts 302 are located is outside the circle where the centers of the multiple first fixing parts 301 are located.

[0054] Preferably, if Figure 3 As shown, the first fixing portion 301 is a fixing hole that passes through the thermal insulation member 30. Figure 4 The heating plate 12 is provided with a locking column 121, and a fastener (such as a screw) is locked to the locking column 121 of the heating plate 12 through the fixing hole; the second fixing portion is a stud protruding downward from the thermal insulation member 30, and the stud can be the fixing column 33 connected to the enclosure in the above embodiment, combined with Figure 2 , the fastener passes through the lower end cover 22 and is locked to the stud.

[0055] Combine Figure 2 、 Figure 6 As shown, a hollow column 221 is provided on the side of the lower end cover 22, and a screw 222 passes through the hollow column and is locked onto the fixing column 33 of the thermal insulation member 30 to achieve hoisting and fixing of the main body.

[0056] By arranging the first fixing part and the second fixing part on the thermal insulation member 30, the thermal insulation member 30 is connected and reliably fixed to the heating disk 12 by using the first fixing part. At the same time, the lower end cover 22 is fixed by using the second fixing part, so that the main body 21 is hoisted below the thermal insulation member 30. Since the first fixing part is connected to the heating disk 12, the heat of the heating disk 12 will be directly transferred to the first fixing part. Therefore, by staggering the first fixing part and the second fixing part, the heat of the first fixing part is avoided from being transferred to the second fixing part, thereby reducing the heat of the heating disk 12 from being transferred to the lower end cover 22 and the main body 21, thereby improving the temperature rise of the main body 21, avoiding the weakening of the magnetic properties of the main body 21, and extending the service life of the brushless motor 20.

[0057] The first fixing portion is set as a fixing hole, and a fastener is used to pass through the fixing hole and lock it to the heating plate 12, which simplifies the fixing method between the thermal insulation member 30 and the heating plate 12. The fixing is efficient and the disassembly and assembly are convenient. When the thermal insulation member 30 is aged or damaged due to heat and needs to be replaced, it is convenient to disassemble and replace the thermal insulation member 30. The second fixing portion is a stud protruding downward from the thermal insulation member 30. The fastener passes through the lower end cover 22 and is locked to the stud, which simplifies the fixing method between the lower end cover 22 and the thermal insulation member 30. Of course, it is understandable that in other embodiments, the first fixing portion can also be a fixing column; and the second fixing portion is a fixing hole.

[0058] In addition, it should be noted that the setting positions of the first fixing part and the second fixing part of the present invention are not limited to the above-mentioned one. In another preferred embodiment, multiple first fixing parts 301 are arranged at intervals around the center of the thermal insulation member 30, and multiple second fixing parts 302 are arranged at intervals around the center of the thermal insulation member 30, and the circle where the centers of the multiple second fixing parts 302 are located is located on the inner side of the circle where the centers of the multiple first fixing parts 301 are located.

[0059] In other preferred embodiments, multiple first fixing parts are arranged at intervals around the center of the thermal insulation member 30, and multiple second fixing parts are arranged at intervals around the center of the thermal insulation member 30, and the circle where the centers of the multiple second fixing parts are located coincides with the circle where the centers of the multiple first fixing parts are located.

[0060] It is understandable that by arranging multiple first fixing parts at intervals around the center of the thermal insulation 30, the connection between the thermal insulation 30 and the heating plate 12 is balanced, the thermal insulation 30 is fixed smoothly, the thermal insulation 30 is prevented from being skewed, and the fixation is reliable. Similarly, by arranging multiple second fixing parts at intervals around the center of the thermal insulation 30, the connection between the lower end cover 22 and the thermal insulation 30 is balanced, the main body 21 is fixed smoothly, the main body 21 has a higher coaxiality with the crushing knife 11 during operation, the transmission noise is small, and the fixation is reliable. By arranging the center circles of the multiple second fixing parts outside the center circles of the multiple first fixing parts, since during the installation process, the first fixing parts of the thermal insulation 30 need to be fixed to the heating plate 12 first, and then the lower end cover 22 is fixed to the second fixing parts, the center circles of the multiple second fixing parts are outside the center circles of the multiple first fixing parts, which facilitates the process of fixing the lower end cover 22 to avoid the first fixing parts, making assembly convenient and labor-saving. Moreover, the distance between the first fixing part and the second fixing part is increased, reducing the direct transfer of heat. By aligning the circle where the centers of the plurality of second fixing portions are located with the circle where the centers of the plurality of first fixing portions are located, the outer diameter of the thermal insulation member 30 can be reduced, making the structure more compact.

[0061] In a preferred embodiment, combined Figure 3 、 4 As shown in FIG5 , a temperature measuring element 40 is fixed to the bottom of the heating plate 12 , and the heat insulating member 30 is provided with a heat insulating groove for accommodating the temperature measuring element.

[0062] Preferably, the temperature measuring element 40 includes a fuse 41 , a temperature sensor 42 , and a thermostat 43 , and the thermal insulation groove includes a first thermal insulation groove 51 , a second thermal insulation groove 52 , and a third thermal insulation groove 53 corresponding to the fuse 41 , the temperature sensor 42 , and the thermostat 43 .

[0063] Optionally, the heat-insulating groove is a sink groove having a groove bottom wall, or the heat-insulating groove is a through groove, and the groove wall of the through groove is arranged around the temperature measuring element to block heat.

[0064] By arranging a temperature measuring element at the bottom of the heating disk 12, the thermal insulation member 30 is provided with an insulation groove for accommodating the temperature measuring element. Therefore, the insulation groove is used to block the heat of the temperature measuring element, effectively reducing the heat radiation caused by the heat of the heating disk 12 to the temperature measuring element, extending the service life of the temperature measuring element, and at the same time avoiding the heat interference of the heating tube on the heating disk 12 on the temperature measuring element, so that the detection of the temperature measuring element is accurate.

[0065] In a preferred embodiment, the insulation groove includes a first insulation groove and a second insulation groove, and the insulation member 30 is also provided with a fixed portion. The first insulation groove, the fixed portion, and the second insulation groove are arranged at intervals around the center of the insulation member 30, and the fixed portion is fixedly connected to the heating plate 12 or the lower end cover 22.

[0066] It is understandable that the fixing portion may be the first fixing portion mentioned above to be connected to the heating plate 12 , or the fixing portion may be the second fixing portion mentioned above to be connected to the lower end cover 22 .

[0067] More specifically, the fixing portion may be a stud or a fixing hole.

[0068] By correspondingly configuring the heat insulation grooves to include a first heat insulation groove and a second heat insulation groove, heat insulation for different temperature measuring elements is achieved. The heat insulation member 30 is further provided with a fixing portion. The first heat insulation groove, the fixing portion, and the second heat insulation groove are spaced apart and arranged around the center of the heat insulation member 30. The fixing portion is fixedly connected to the heating plate 12 or the lower end cover 22. Therefore, the fixing portion is provided in the gap between the first heat insulation groove and the second heat insulation groove to achieve a fixed connection with the heating plate 12 or the lower end cover 22. This structure is compact, which is conducive to reducing the volume of the heat insulation member 30, improving space utilization, and helping to reduce the radial size of the entire device, thereby achieving a compact cup body 10.

[0069] It should be noted that the present invention does not limit the specific structure of the food processor. For example, in one embodiment, Figure 1 As shown, the food processor is a wall-breaking machine with a detachable cup body. The food processor also includes a main unit 60 supporting the above-mentioned cup body 10 , and the cup body 10 is detachably mounted above the main unit 60 .

[0070] In other embodiments, the food processor may be a food processor that does not require hand washing. Specifically, the food processor includes a main unit provided with a receiving cavity, and the cup body 10 is fixedly or detachably installed in the receiving cavity.

[0071] Anything not described in this utility model can be achieved by adopting or drawing on existing technologies.

[0072] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referred to each other. Each embodiment focuses on the differences from other embodiments.

[0073] The above description is merely an embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of the claims of the present invention.

Claims

1. A food processor, comprising a cup body with a built-in crushing blade, a heating plate fixed to the bottom of the cup body, and a brushless motor located below the heating plate and driving the crushing blade, characterized in that: The brushless motor includes a main body and a lower end cover supporting the main body. A non-metallic thermal insulation member is provided between the heating plate and the main body. The thermal insulation member is fixedly connected to the heating plate. The lower end cover is fixedly connected to the thermal insulation member to hoist and fix the main body below the thermal insulation member.

2. A food processing machine according to claim 1, characterized in that: The heat insulating member includes a baffle that is laterally separated between the heating plate and the main body and an enclosure that extends downward from the baffle. The enclosure and the baffle form a heat insulating cavity that accommodates the main body.

3. A food processing machine according to claim 2, characterized in that: The heat insulating member further includes a fixing column extending downward from the baffle, the lower end cover is fixedly connected to the fixing column, and the fixing column is connected to the enclosure as a whole.

4. A food processing machine according to claim 2, characterized in that: The enclosure plate includes a plurality of sub-plates spaced apart along the circumference of the main body, and a heat dissipation opening is formed between two adjacent sub-plates.

5. A food processing machine according to claim 1, characterized in that: The heat insulating member is provided with a first fixing portion fixedly connected to the heating plate and a second fixing portion fixedly connected to the lower end cover, and the first fixing portion and the second fixing portion are staggered.

6. A food processing machine according to claim 5, characterized in that: The first fixing parts are arranged in plurality around the center of the thermal insulation member, and the second fixing parts are arranged in plurality around the center of the thermal insulation member, and the circle where the centers of the plurality of second fixing parts are located is located inside or outside the circle where the centers of the plurality of first fixing parts are located.

7. A food processing machine according to claim 5, characterized in that: A plurality of first fixing parts are arranged at intervals around the center of the thermal insulation member, and a plurality of second fixing parts are arranged at intervals around the center of the thermal insulation member, and a circle where the centers of the plurality of second fixing parts are located coincides with a circle where the centers of the plurality of first fixing parts are located.

8. A food processing machine according to claim 5, characterized in that: The first fixing portion is a fixing hole passing through the heat insulating member, and the fastener passes through the fixing hole and is locked to the heating plate; Alternatively, the second fixing portion is a stud protruding downward from the thermal insulation component, and the fastener passes through the lower end cover and is locked to the stud.

9. A food processing machine according to claim 1, characterized in that: A temperature measuring element is fixed to the bottom of the heating plate, and the heat insulating member is provided with a heat insulating groove for accommodating the temperature measuring element.

10. A food processing machine according to claim 9, characterized in that: The thermal insulation groove includes a first thermal insulation groove and a second thermal insulation groove. The thermal insulation component is also provided with a fixing portion. The first thermal insulation groove, the fixing portion and the second thermal insulation groove are arranged at intervals around the center of the thermal insulation component. The fixing portion is fixedly connected to the heating plate or the lower end cover.

Citation Information

Patent Citations

  • A convenient food processor

    CN220937813U