A compact food processor

Abstract

The application discloses a compact food processor, which comprises a main machine and a stirring cup assembly arranged on the main machine. The stirring cup assembly comprises a cup body, a crushing knife arranged in the cup body, a cup shell fixed to the lower end of the cup body, and a motor arranged in the cup shell and used for driving the crushing knife to rotate. The lower end of the motor is provided with a cooling fan. The main machine is provided with an air inlet duct and an air outlet duct. The air inlet duct and the air outlet duct are arranged on opposite sides of the main machine. The main machine is provided with a mounting area between the air inlet duct and the air outlet duct. The mounting area is provided with a power board. The cup shell is provided with a centrifugal fan cover surrounding the cooling fan. The airflow flowing into the cup shell from the air inlet duct flows through the rotor of the motor in the axial direction and then flows into the centrifugal fan cover to flow to the air outlet duct in the radial direction. The food processor can promote the compact arrangement of the structure and avoid the oversize of the main machine under the premise of meeting the heat dissipation requirement of the whole machine by improving the air duct structure in the main machine and the distribution of the power board.

Description

Technical Field

[0001] This application relates to the field of food processing machines, and more specifically to a compact food processing machine. Background Technology

[0002] In existing blenders or soymilk makers that integrate the cup and motor, most use axial fans at the bottom of the motor. To meet the heat dissipation requirements of the motor, such as in the food processor disclosed in patent number CN201920286880.1, the machine is equipped with an axial cooling duct, in which the air outlet is located directly below the fan. The air outlet structure inside the main unit used for air outlet is located directly below the fan, which occupies a large space in the main unit. At the same time, in order to accommodate the installation of power boards and other electrical components, the main unit needs to have a large vertical space to accommodate these components, ultimately resulting in a large main unit size, which is not conducive to the miniaturization of the machine.

[0003] Furthermore, in the motor heat dissipation path, the axial fan directly exhausts air to the area directly facing the exhaust area, while the air inlet area is located on one side of the exhaust area. The two are relatively close, which can easily lead to a problem where some of the hot airflow flows back into the cup body assembly during the exhaust process, affecting the motor's heat dissipation efficiency and hindering the improvement of the motor's heat dissipation effect. Utility Model Content

[0004] This application provides a compact food processing machine, which aims to solve the technical problem that existing food processing machines using axial fans have large internal air ducts that occupy a lot of space, resulting in insufficient space for power board installation. In order to accommodate the power board installation, the size of the main unit is increased, which is not conducive to the miniaturization of the main unit.

[0005] The technical solution adopted in this application is as follows:

[0006] A compact food processing machine includes a main unit and a mixing cup assembly mounted on the main unit. The mixing cup assembly includes a cup body, a pulverizing blade disposed within the cup body, a cup body shell fixed to the lower end of the cup body, and a motor disposed within the cup body shell for driving the pulverizing blade to rotate. A cooling fan is provided at the lower end of the motor. An air inlet duct and an air outlet duct are provided inside the main unit, respectively located on opposite sides of the main unit. An installation area is provided between the air inlet duct and the air outlet duct inside the main unit, and a power board is provided in the installation area. A centrifugal fan shroud surrounding the cooling fan is provided inside the cup body shell. Airflow from the air inlet duct into the cup body shell flows axially through the rotor of the motor and flows radially into the centrifugal fan shroud towards the air outlet duct.

[0007] In this technical solution, by setting the air inlet and outlet ducts of the host on opposite sides inside the host, a large amount of free space can be provided between the air inlet and outlet ducts inside the host. This creates an installation area to accommodate power supply boards and other electrical components. By making reasonable use of the host space, while meeting the requirements for heat dissipation and reasonable distribution of electrical components, the compactness of the structure can be promoted without increasing the size of the host. In other words, the longitudinal volume of the host is small, which is conducive to the miniaturization of the machine.

[0008] With the air inlet and outlet ducts arranged opposite each other, the airflow flowing into the outer shell of the cup can carry away the heat from the motor and then flow radially through the centrifugal fan shroud to reach the exhaust duct from one side of the air inlet duct to the other side of the exhaust duct for exhaust. The overall heat dissipation path of the motor is relatively long, which is beneficial for heat dissipation and consumes noise energy to achieve the purpose of noise reduction. Moreover, the air inlet and outlet ducts are far apart, which can prevent some of the hot air from flowing back into the outer shell of the cup from the air inlet duct during the exhaust process and affecting the heat dissipation of the motor. This ensures the heat dissipation efficiency and effect of the motor and can improve the heat dissipation performance of the machine.

[0009] Optionally, the main unit has a recessed cup mounting cavity, and the bottom wall of the cup mounting cavity has a first protrusion and a second protrusion arranged opposite to each other. The first protrusion has a main unit air inlet, and the second protrusion has a main unit air outlet. The bottom of the cup shell has a first recess that is inserted and engaged with the first protrusion and a second recess that is inserted and engaged with the second protrusion. The first recess has a cup air inlet, and the second recess has a cup air outlet.

[0010] In this technical solution, to improve the installation stability of the mixing cup assembly, make the machine run more smoothly, and prevent the mixing cup assembly from shaking during operation, the first and second protrusions of the main unit can realize the positioning and installation of the mixing cup assembly. The first and second recesses of the mixing cup assembly are respectively inserted and matched with the first and second protrusions of the main unit. This not only facilitates the quick alignment and installation of the mixing cup assembly, but also ensures the circumferential and radial limits of the mixing cup assembly. Moreover, the relative arrangement of the first and second protrusions is more compact and simpler than the existing technology that uses an arc-shaped positioning structure larger than a semicircle. This ensures the stable installation of the mixing cup assembly and simplifies the main unit structure. On this basis, by using the first protrusion to set the air inlet of the main unit, the second protrusion to set the air outlet of the main unit, the first recess to set the air inlet of the cup body, and the second recess to set the air outlet of the cup body, the space utilization of the positioning structure can be fully optimized, realizing the connection of the internal air ducts of the main unit and the mixing cup assembly. This avoids setting air inlet and outlet structures in other positions of the main unit and the mixing cup assembly, thereby simplifying the machine design.

[0011] Optionally, the main unit air inlet is located on the inner side wall of the first protrusion, the cup body air inlet faces the main unit air inlet, the main unit air outlet is located on the inner side wall of the second protrusion, and the cup body air outlet faces the main unit air outlet.

[0012] In this technical solution, by setting the main unit's air inlet on the inner wall of the first protrusion and the main unit's air outlet on the inner wall of the second protrusion, when the mixing cup assembly is removed, the downward dripping liquid is less likely to flow into the main unit through the main unit's air inlet and air outlet, reducing the risk of water ingress. Correspondingly, the cup body's air inlet and air outlet are also side openings, which can reduce the risk of water ingress when cleaning the mixing cup assembly, which is beneficial to protecting the electrical components inside the cup body shell and extending the machine's service life.

[0013] Optionally, the bottom of the cup body shell is provided with an upper coupler, and the bottom of the cup body mounting cavity is provided with a lower coupler that is electrically connected to the upper coupler. The lower coupler is located between the first boss and the second boss and is located near the edge of the host.

[0014] In this technical solution, the lower coupler is positioned between the first and second protrusions and close to the edge of the main unit. When the stirring cup assembly is installed, the two protrusions and two recesses are inserted into each other, which facilitates the quick and accurate alignment and installation of the upper and lower couplers. Moreover, the first protrusion, the second protrusion, and the lower coupler all constitute the positioning of the stirring cup assembly. The three are evenly distributed on the semicircular circumference, which can further improve the stability of the positioning and installation of the stirring cup assembly, thereby improving its working stability.

[0015] Optionally, the first boss, the second boss, and the lower coupler all extend in an arc shape and are located on the same circumference.

[0016] In this technical solution, the first boss, the second boss, and the lower coupler are located on the same circumference and can be positioned as a whole on the same positioning reference. This can prevent the installation difficulty from increasing and the occurrence of local alignment deviations when there are multiple positioning references during the installation of the stirring cup assembly, thereby ensuring the installation efficiency, accuracy, and stability of the stirring cup assembly.

[0017] Optionally, the host includes a housing and a base disposed at the bottom of the housing, the housing and the base forming a mounting cavity, a bracket being provided inside the mounting cavity, and the power board being fixed below the bracket.

[0018] In this technical solution, the main unit adopts a separate housing and base for easy disassembly to install the power board and other components in the mounting cavity. By providing a bracket to install the power board, on the one hand, the reliability of the power board installation can be guaranteed, and on the other hand, the power board is located below the bracket, which can form an isolation component to isolate the heat of the motor above, thereby reducing the transfer of heat from the motor to the power board and preventing the power board from overheating, which would affect its performance and lifespan.

[0019] Optionally, the bracket includes a bracket body covering the power board and an air outlet hood extending toward the base, the air outlet hood forming the air outlet duct, the lower end of the air outlet hood abutting against the side wall of the base and communicating with the air outlet hole on the side wall of the base.

[0020] In this technical solution, the bracket not only provides the mounting of the power board, but also integrates an air outlet hood to form the air outlet duct of the main unit, which expands the function of the bracket. There is no need to set up an additional air outlet structure in the main unit, which can simplify the structure of the main unit and promote the compactness of the structural distribution.

[0021] Optionally, the base is provided with an upwardly protruding third protrusion, the top wall of the third protrusion is provided with an air inlet hole, and an air inlet duct communicating with the air inlet hole is provided between the housing and the third protrusion.

[0022] In this technical solution, the air inlet of the main unit is located on the third protrusion, which is higher than the bottom wall of the base. This facilitates the flow of external air into the air inlet from the concave space formed on the outside of the third protrusion, ensuring smooth air intake and improving air intake efficiency, thereby ensuring the heat dissipation efficiency of the motor. Moreover, the air inlet is set horizontally, which can realize vertical air intake of the main unit, further improving air intake efficiency. In addition, the air inlet can be higher than the machine placement table, which can play a role in preventing water ingress, preventing water from damaging the internal electrical components of the main unit, and helping to extend the service life of the machine.

[0023] Optionally, the bottom of the host is provided with heat dissipation holes corresponding to the mounting area.

[0024] In this technical solution, by setting heat dissipation holes, the heat dissipation of the power board in the installation area can be enhanced, thereby improving the performance and lifespan of the power board.

[0025] Optionally, the bottom of the stirring cup assembly is provided with a cup air inlet communicating with the cup body shell and a cup air outlet communicating with the centrifugal fan hood. A shield is movably installed inside the cup body shell. The shield opens the cup air inlet and the cup air outlet when the stirring cup assembly is installed on the main unit, and closes the cup air inlet and the cup air outlet when the stirring cup assembly is separated from the main unit.

[0026] In this technical solution, to address the issue of water ingress into the bottom of the mixing cup assembly during independent operation, such as when it is placed alone on a wet surface or during washing, potentially causing abnormal power supply or damage to the internal electrical components, a shield is installed inside the cup shell. After the mixing cup assembly is removed from the main unit, the shield closes the air inlet and outlet of the cup, achieving a waterproof seal and improving the machine's performance and lifespan. Furthermore, as a movable component, the shield can open the air inlet and outlet of the cup when the mixing cup assembly is installed in place with the main unit, ensuring airflow between the main unit and the mixing cup assembly and meeting the overall heat dissipation requirements. Therefore, this solution balances waterproofing of the mixing cup assembly and overall heat dissipation, improving the overall performance of the machine and enhancing the user experience. Attached Figure Description

[0027] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0028] Figure 1 This is a schematic diagram of a food processing machine according to one embodiment of this application.

[0029] Figure 2 This is a cross-sectional schematic diagram of a food processing machine according to one embodiment of this application.

[0030] Figure 3 This is a schematic diagram of the host structure according to one embodiment of this application.

[0031] Figure 4 for Figure 3 A top-down view of the main unit.

[0032] Figure 5 This is a schematic diagram of the bottom inner side of the stirring cup assembly according to one embodiment of this application.

[0033] Figure 6 This is an exploded view of the host computer according to one embodiment of this application.

[0034] Figure 7 This is a schematic diagram showing the shielding member closing the air inlet and outlet of the cup body when the stirring cup assembly is not installed on the main unit according to one embodiment of this application.

[0035] Figure label:

[0036] 10. Main unit; 101. Air inlet duct; 102. Air outlet duct; 103. Installation area; 104. First boss; 105. Second boss; 106. Main unit air inlet; 107. Main unit air outlet; 11. Blending cup assembly; 111. Cup body; 112. Grinding blade; 113. Cup body outer shell; 114. Motor; 115. Cooling fan; 116. First recess; 117. Cup body air inlet; 118. Cup body air outlet; 12. Power board; 13. Centrifugal fan shroud; 131. Second recess; 14. Upper coupler; 15. Lower coupler; 16. Housing; 17. Base; 171. Air outlet; 172. Third boss; 173. Air inlet; 18. Bracket; 181. Bracket body; 182. Air outlet shroud; 19. Shield; 191. Mounting part; 192. Baffle; 193. Trigger rib; 20. Guide post; 21. Spring; 22. Screw. Detailed Implementation

[0037] To more clearly illustrate the overall concept of this application, a detailed explanation is provided below with reference to the accompanying drawings.

[0038] Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of this application is not limited to the specific embodiments disclosed below. It should be noted that, unless otherwise specified, the embodiments of this application and the features thereof can be combined with each other.

[0039] Furthermore, it should be understood in the description of this application 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, and are only for the convenience of describing this application 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, and therefore should not be construed as a limitation of this application.

[0040] In this application, unless otherwise expressly 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 application according to the specific circumstances.

[0041] In this application, unless otherwise expressly specified and limited, the "above" or "below" of the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. In the description of this specification, references to terms such as "an 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 application. 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 can be combined in any suitable manner in one or more embodiments or examples.

[0042] like Figures 1 to 7 As shown, this application provides a compact food processor, including a main unit 10 and a mixing cup assembly 11 mounted on the main unit 10. The mixing cup assembly 11 includes a cup body 111, a pulverizing blade 112 disposed within the cup body 111, a cup body shell 113 fixed to the lower end of the cup body 111, and a motor 114 disposed within the cup body shell 113 for driving the pulverizing blade 112 to rotate. A cooling fan 115 is provided at the lower end of the motor 114. The main unit 10 is provided with an air inlet duct 101 and an air outlet duct. 102. The air inlet duct 101 and the air outlet duct 102 are respectively located on opposite sides of the main unit 10. The main unit 10 has an installation area 103 between the air inlet duct 101 and the air outlet duct 102. The installation area 103 has a power board 12. The cup shell 113 has a centrifugal fan shroud 13 surrounding the cooling fan 115. The airflow from the air inlet duct 101 into the cup shell 113 flows axially through the rotor of the motor 114 and flows into the centrifugal fan shroud 13 and flows radially towards the air outlet duct 102.

[0043] The food processing machine of this application, by arranging the air inlet duct 101 and air outlet duct 102 of the main unit 10 on opposite sides inside the main unit 10, can provide a large free space between the air inlet duct 101 and air outlet duct 102 inside the main unit 10, thereby forming an installation area 103 for accommodating electrical components such as the power board 12. By making reasonable use of the space of the main unit 10, under the premise of satisfying the heat dissipation duct of the main unit 10 and the reasonable distribution of electrical components, the compactness of the structural distribution can be promoted, and the volume of the main unit 10 will not be increased. That is, the longitudinal volume of the main unit 10 is small, which is conducive to the miniaturization of the machine.

[0044] like Figure 2As shown, with the air inlet duct 101 and the air outlet duct 102 arranged opposite to each other, the airflow flowing into the outer shell 113 of the cup body carries away the heat of the motor 114 after passing through it. It can then flow radially through the centrifugal fan shroud 13 to reach the side of the air outlet duct 102 from one side of the air inlet duct 101 for exhaust. The overall heat dissipation path of the motor 114 is relatively long, which is beneficial for heat dissipation while consuming noise energy to achieve the purpose of noise reduction. Moreover, the air inlet duct 101 and the air outlet duct 102 are far apart, which can prevent some of the hot airflow from flowing back from the air inlet duct 101 into the outer shell 113 of the cup body during the exhaust process, thus affecting the heat dissipation of the motor 114. This ensures the heat dissipation efficiency and effect of the motor 114 and can improve the heat dissipation performance of the machine.

[0045] Specifically, such as Figure 2 As shown, the air inlet duct 101 and the air outlet duct 102 can be respectively located on the front and rear sides of the main unit 10, or the air inlet duct 101 and the air outlet duct 102 can be respectively located on the left and right sides of the main unit 10. When the air inlet duct 101 and the air outlet duct 102 are respectively located on the front and rear sides of the main unit 10, the air is discharged from the rear side of the machine. According to the user's habit, when the front side of the main unit 10 faces the user, the hot air discharged can avoid scalding the user and improve the safety of use.

[0046] With the air inlet duct 101 and air outlet duct 102 arranged opposite each other, the air inlet position of the air inlet channel and the air outlet position of the air outlet channel inside the outer shell 113 of the cup can also be arranged opposite each other. This maximizes the heat dissipation path of the motor 114. On the one hand, the air inlet and outlet positions are far apart, avoiding the backflow of hot air. On the other hand, the extended airflow path can attenuate noise energy to a greater extent, greatly reducing the noise transmitted to the outside world and improving the user experience. An air outlet channel is formed inside the centrifugal fan cover 13. The cooling fan 115 can be a centrifugal fan. The airflow can be thrown outward in an orderly manner under the action of centrifugal force. The airflow experiences pressure and speed changes during the flow, which can make the airflow more orderly discharged. Moreover, the blades of the centrifugal fan can better guide the airflow, reduce airflow turbulence and eddy current generation, which helps to reduce the noise caused by unstable airflow, thereby further improving the noise reduction effect. When the airflow flows along the outlet channel inside the centrifugal fan shroud 13, the airflow generally flows from the position of the motor shaft at the center of the motor 114 in a direction away from the motor shaft. Specifically, the airflow flowing axially through the rotor of the motor 114 can enter the outlet channel from multiple positions around the motor shaft and then flow radially towards the main unit's air outlet 107. The outlet channel can be formed by the centrifugal fan shroud 13 alone, that is, the centrifugal fan shroud 13 has a bottom wall and side walls, and its bottom wall and side walls enclose to form the outlet channel. Alternatively, the outlet channel can also be formed by the centrifugal fan shroud 13 and the cup shell 113 together, that is, the centrifugal fan shroud 13 adopts a structure with both the top and bottom open, and the side walls of the centrifugal fan shroud 13 and the bottom wall of the cup shell 113 enclose to form the outlet channel.

[0047] In a preferred embodiment of this application, the main unit 10 is provided with a recessed cup mounting cavity. The bottom wall of the cup mounting cavity is provided with a first protrusion 104 and a second protrusion 105 arranged opposite to each other. The first protrusion 104 is provided with a main unit air inlet 106, and the second protrusion 105 is provided with a main unit air outlet 107. The bottom of the cup shell 113 is provided with a first recess 116 that is inserted and engaged with the first protrusion 104 and a second recess 131 that is inserted and engaged with the second protrusion 105. The first recess 116 is provided with a cup air inlet 117, and the second recess 131 is provided with a cup air outlet 118.

[0048] like Figure 2 and Figure 3 As shown, in this embodiment, in order to improve the installation stability of the stirring cup assembly 11, make the machine run more smoothly, and avoid shaking of the stirring cup assembly 11 during operation, the first boss 104 and the second boss 105 of the main unit 10 can realize the positioning and installation of the stirring cup assembly 11. The first recess 116 and the second recess 131 of the stirring cup assembly 11 are respectively inserted and engaged with the first boss 104 and the second boss 105 of the main unit 10. This not only facilitates the rapid alignment and installation of the stirring cup assembly 11, but also ensures the circumferential and radial limiting of the stirring cup assembly 11. Moreover, the way the first boss 104 and the second boss 105 are arranged opposite each other is more efficient than the prior art which uses a larger... With a semi-circular arc-shaped positioning structure, the two protrusions are more compact and simple to set, which helps to simplify the structure of the main unit 10 while ensuring the stable installation of the mixing cup assembly 11. On this basis, the main unit air inlet 106 is set by the first protrusion 104, the main unit air outlet 107 is set by the second protrusion 105, the cup body air inlet 117 is set by the first recess 116, and the cup body air outlet 118 is set by the second recess 131. This can fully optimize the space utilization of the positioning structure, realize the connection of the internal air ducts of the main unit 10 and the mixing cup assembly 11, and avoid setting air inlet and outlet structures in other positions of the main unit 10 and the mixing cup assembly 11, thereby simplifying the machine design.

[0049] exist Figure 2 In one embodiment, the first recess 116 is formed by the concave shape of the outer shell 113 of the cup body, and the second recess 131 is formed by the cooperation of the centrifugal fan shroud 13 and the outer shell 113 of the cup body, so that the airflow flows out from the air outlet 118 of the cup body in the second recess 131 after passing through the centrifugal fan shroud 13, thereby optimizing the airflow path.

[0050] In one embodiment, the main unit air inlet 106 is disposed on the inner side wall of the first boss 104, the cup body air inlet 117 is disposed facing the main unit air inlet 106, the main unit air outlet 107 is disposed on the inner side wall of the second boss 105, and the cup body air outlet 118 is disposed facing the main unit air outlet 107.

[0051] In this embodiment, by setting the main unit air inlet 106 on the inner side wall of the first protrusion 104 and the main unit air outlet 107 on the inner side wall of the second protrusion 105, when the stirring cup assembly 11 is removed, the downward dripping liquid is less likely to flow into the main unit 10 through the main unit air inlet 106 and the main unit air outlet 107, thus reducing the risk of water ingress. Correspondingly, the cup body air inlet 117 and the cup body air outlet 118 are also side openings, which can reduce the risk of water ingress when cleaning the stirring cup assembly 11, which is beneficial to protecting the electrical components inside the cup body shell 113 and extending the service life of the machine.

[0052] In one embodiment, such as Figure 4 and Figure 5 As shown, the bottom of the cup body shell 113 is provided with an upper coupler 14, and the bottom of the cup body mounting cavity is provided with a lower coupler 15 that is electrically connected to the upper coupler 14. The lower coupler 15 is located between the first boss 104 and the second boss 105 and is located near the edge of the host 10.

[0053] In this embodiment, the lower coupler 15 is positioned between the first boss 104 and the second boss 105 and close to the edge of the main unit 10. When the stirring cup assembly 11 is installed, the two bosses and two recesses are inserted into each other, which facilitates the quick and accurate alignment and installation of the upper coupler 14 and the lower coupler 15. Moreover, the first boss 104, the second boss 105, and the lower coupler 15 all constitute the positioning of the stirring cup assembly 11. The three are evenly distributed on the semicircular circumference, which can further improve the stability of the positioning and installation of the stirring cup assembly 11, thereby improving its working stability.

[0054] Preferably, the first boss 104, the second boss 105, and the lower coupler 15 all extend in an arc shape and are located on the same circumference.

[0055] like Figure 4 As shown, the first boss 104, the second boss 105, and the lower coupler 15 are located on the same circumference and can be positioned on the same positioning reference as a whole. This can prevent the installation difficulty and local alignment deviation from occurring when there are multiple positioning references during the installation of the stirring cup assembly 11, thereby ensuring the installation efficiency, accuracy, and stability of the stirring cup assembly 11.

[0056] In a preferred embodiment of this application, the host 10 includes a housing 16 and a base 17 disposed at the bottom of the housing 16. The housing 16 and the base 17 enclose a mounting cavity, and a bracket 18 is provided in the mounting cavity. The power board 12 is fixed below the bracket 18.

[0057] like Figure 6As shown, in this embodiment, the main unit 10 adopts a separate housing 16 and a base 17 for easy disassembly of the main unit 10 to install components such as the power board 12 in the mounting cavity. By providing a bracket 18 to install the power board 12, on the one hand, the reliability of the installation of the power board 12 can be ensured, and on the other hand, the power board 12 is located below the bracket 18. The bracket 18 can form an insulating component to isolate the heat of the motor 114 above, thereby reducing the transfer of heat from the motor 114 to the power board 12, thus preventing the power board 12 from overheating and affecting its performance and lifespan.

[0058] In one embodiment, the bracket 18 includes a bracket body 181 covering the power board 12 and an air outlet hood 182 extending toward the base 17. The air outlet hood 182 forms an air outlet duct 102, and the lower end of the air outlet hood 182 abuts against the side wall of the base 17 and communicates with the air outlet hole 171 on the side wall of the base 17.

[0059] In this embodiment, the bracket 18 not only provides mounting for the power board 12, but also integrates an exhaust hood 182 to form an exhaust duct 102 for the main unit 10, expanding the function of the bracket 18. This eliminates the need for an additional exhaust structure within the main unit 10, simplifying the main unit 10 structure and promoting a compact structural layout. The power board 12 is fixed to the bracket body 181, which is fixed to the base 17. The bracket body 181 has clearance grooves to avoid the components on the power board 12 from getting too close to the inner wall of the bracket body 181, thus preventing them from affecting heat dissipation.

[0060] In one embodiment, the base 17 is provided with an upwardly protruding third protrusion 172, the top wall of the third protrusion 172 is provided with an air inlet 173, and an air inlet duct 101 communicating with the air inlet 173 is provided between the housing 16 and the third protrusion 172.

[0061] like Figure 6 As shown, in this embodiment, the air inlet 173 of the main unit 10 is located on the third protrusion 172, which is higher than the bottom wall of the base 17. This facilitates the flow of external air into the air inlet 173 from the concave space formed on the outside of the third protrusion 172, ensuring smooth air intake and improving air intake efficiency, thereby ensuring the heat dissipation efficiency of the motor 114. Moreover, the air inlet 173 is horizontally positioned, allowing for vertical air intake of the main unit 10, further improving air intake efficiency. In addition, the air inlet 173 is higher than the machine's placement surface, which helps prevent water ingress and damage to the internal electrical components of the main unit 10, thus extending the machine's service life. The air outlet 171 is located on the side wall of the base 17, and the distance between the air outlet 171 and the air inlet 173 prevents the exhaust hot air from flowing back through the air inlet 173, thereby ensuring the machine's heat dissipation effect.

[0062] In a preferred embodiment of this application, the bottom of the host 10 is provided with heat dissipation holes corresponding to the mounting area 103.

[0063] In this embodiment, by providing heat dissipation holes, the heat dissipation of the power board 12 in the mounting area 103 can be enhanced, thereby improving the performance and lifespan of the power board 12. Specifically, the heat dissipation holes can be provided on the bottom wall of the base 17 corresponding to the power board 12.

[0064] It is understandable that this application may not provide heat dissipation holes. Since the installation area 103 where the power board 12 is located has a large space, the power board 12 can meet the heat dissipation requirements in a relatively open space. The purpose of providing heat dissipation holes is to further improve the heat dissipation effect of the power board 12.

[0065] In a preferred embodiment of this application, the bottom of the stirring cup assembly 11 is provided with a cup air inlet 117 communicating with the cup body shell 113 and a cup air outlet 118 communicating with the centrifugal fan shroud 13. A shielding member 19 is movably installed inside the cup body shell 113. The shielding member 19 opens the cup air inlet 117 and the cup air outlet 118 when the stirring cup assembly 11 is installed on the main unit 10, and closes the cup air inlet 117 and the cup air outlet 118 when the stirring cup assembly 11 is separated from the main unit 10.

[0066] In this embodiment, to address the issue of water entering the bottom of the mixing cup assembly 11 when it is operated alone, such as when it is placed on a wet surface or during washing, which could cause abnormal power supply or damage to the internal electrical components of the mixing cup assembly 11, a shielding component 19 is provided inside the outer shell 113 of the cup body. After the mixing cup assembly 11 is removed from the main unit 10, the shielding component 19 closes the air inlet 117 and the air outlet 118 of the cup body, achieving a sealed and waterproof effect, which can improve the performance and lifespan of the machine. Furthermore, as a movable component, the shielding component 19 can open the air inlet 117 and the air outlet 118 of the cup body when the mixing cup assembly 11 is installed in place on the main unit 10, thereby ensuring the connection of the air duct between the main unit 10 and the mixing cup assembly 11, meeting the heat dissipation requirements of the entire machine. Therefore, it takes into account both the waterproofing of the mixing cup assembly 11 and the heat dissipation of the entire machine, which can improve the overall performance of the machine and enhance the user experience.

[0067] Specifically, the shielding member 19 is movable relative to the outer shell 113 of the cup. The structure and movement of the shielding member 19 are related to the opening direction of the air inlet 117 and the air outlet 118 of the cup, and can be set according to actual needs. In some embodiments, the air inlet 117 and the air outlet 118 of the cup are opened horizontally. Correspondingly, the shielding member 19 has, for example, a horizontally arranged shielding part. The shielding part can realize the opening and closing control of the air inlet 117 and the air outlet 118 of the cup by moving horizontally or flipping. In other embodiments, the air inlet 117 and the air outlet 118 of the cup are opened vertically. Correspondingly, the shielding member 19 has, for example, a vertically arranged shielding part. The shielding part can realize the opening and closing control of the air inlet 117 and the air outlet 118 of the cup by moving in the vertical direction.

[0068] exist Figure 2 In the embodiment, when the first boss 104 is inserted into the first recess 116, it pushes the blocking member 19 upwards; when the second boss 105 is inserted into the second recess 131, it pushes the blocking member 19 upwards. The side openings of the first boss 104 and the second boss 105 avoid the need for openings at their tops. This allows the tops of the first boss 104 and the second boss 105 to act as trigger points to push the blocking member 19 during the installation of the mixing cup assembly 11, eliminating the need for an additional trigger structure in the main unit 10. This simplifies the structure of the main unit 10. Furthermore, the movement of the blocking member 19 is triggered simultaneously with the installation of the mixing cup assembly 11, requiring no additional steps and saving user time and effort, thus improving the user experience. Correspondingly, as... Figure 7 As shown, when the mixing cup assembly 11 is not installed on the main unit 10, the shield 19 closes the cup body air inlet 117 and the cup body air outlet 118.

[0069] In this embodiment, as Figure 7 As shown, the shielding member 19 includes a horizontally arranged mounting part 191 and a baffle 192 extending downward from one side of the mounting part 191. The bottom of the mounting part 191 is provided with a downwardly extending trigger rib 193. When the stirring cup assembly 11 is installed, the top of the first boss 104 and the top of the second boss 105 can push the trigger rib 193 at the corresponding positions, thereby causing the baffle 192 to move upward and open the cup body air inlet 117 and the cup body air outlet 118.

[0070] Furthermore, the shield 19 is provided with a reset member. When the stirring cup assembly 11 is separated from the main unit 10, the shield 19 moves downward under the action of the reset member to close the cup body air inlet 117 and the cup body air outlet 118.

[0071] Furthermore, such as Figure 2 and Figure 7As shown, the outer shell 113 of the cup and the centrifugal fan shroud 13 are provided with guide posts 20 at the corresponding installation positions of the shielding member 19. The shielding member 19 moves vertically along the guide posts 20. In this embodiment, the reset member is a spring 21, which is sleeved on the guide post 20, and the top of the guide post 20 is provided with a screw 22 inserted into the guide post 20. The screw 22 can prevent the spring 21 from coming out of the guide post 20. When the shielding member 19 moves upward, the shielding member 19 moves along the guide post 20 and compresses the spring 21. The spring 21 undergoes elastic deformation. When the stirring cup assembly 11 is removed from the main unit 10, the force acting on the shielding member 19 is canceled. At this time, the shielding member 19 moves downward under the elastic force of the spring 21 until the baffle 192 closes the air inlet 117 and the air outlet 118 of the cup, thereby achieving the sealing and waterproofing of the stirring cup assembly 11.

[0072] For any parts not mentioned in this application, existing technologies may be used or referenced.

[0073] 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.

[0074] The above description is merely an embodiment of this application and is not intended to limit the scope of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.

Claims

1. A compact food processing machine, comprising a main unit and a mixing cup assembly mounted on the main unit, the mixing cup assembly comprising a cup body, a pulverizing blade disposed within the cup body, a cup body outer shell fixed to the lower end of the cup body, and a motor disposed within the cup body outer shell for driving the pulverizing blade to rotate, wherein a cooling fan is provided at the lower end of the motor, characterized in that, The main unit is provided with an air inlet duct and an air outlet duct, which are respectively located on opposite sides of the main unit. An installation area is provided between the air inlet duct and the air outlet duct, and a power board is provided in the installation area. A centrifugal fan shroud is provided inside the outer shell of the cup body, surrounding the cooling fan. The airflow flowing from the air inlet duct into the outer shell of the cup body flows axially through the rotor of the motor and flows into the centrifugal fan shroud, flowing radially towards the air outlet duct.

2. The food processing machine with a compact structure according to claim 1, characterized in that, The main unit has a recessed cup mounting cavity. The bottom wall of the cup mounting cavity has a first protrusion and a second protrusion arranged opposite to each other. The first protrusion has a main unit air inlet, and the second protrusion has a main unit air outlet. The bottom of the cup shell has a first recess that is inserted and engaged with the first protrusion and a second recess that is inserted and engaged with the second protrusion. The first recess has a cup air inlet, and the second recess has a cup air outlet.

3. The food processing machine with a compact structure according to claim 2, characterized in that, The main unit's air inlet is located on the inner side wall of the first protrusion, and the cup body's air inlet faces the main unit's air inlet. The main unit's air outlet is located on the inner side wall of the second protrusion, and the cup body's air outlet faces the main unit's air outlet.

4. A compact food processing machine according to claim 2, characterized in that, The bottom of the cup body shell is provided with an upper coupler, and the bottom of the cup body mounting cavity is provided with a lower coupler that is electrically connected to the upper coupler. The lower coupler is located between the first boss and the second boss and is located near the edge of the host.

5. A compact food processing machine according to claim 4, characterized in that, The first boss, the second boss, and the lower coupler all extend in an arc shape and are located on the same circumference.

6. The compact food processing machine according to claim 1, characterized in that, The host includes a housing and a base located at the bottom of the housing. The housing and the base together form a mounting cavity. A bracket is provided inside the mounting cavity, and the power board is fixed below the bracket.

7. A compact food processing machine according to claim 6, characterized in that, The bracket includes a bracket body that covers the power board and an air outlet hood that extends toward the base. The air outlet hood forms the air outlet duct, and the lower end of the air outlet hood abuts against the side wall of the base and communicates with the air outlet hole on the side wall of the base.

8. A compact food processing machine according to claim 6, characterized in that, The base is provided with an upwardly protruding third protrusion, and the top wall of the third protrusion is provided with an air inlet hole. An air inlet duct communicating with the air inlet hole is provided between the housing and the third protrusion.

9. A compact food processing machine according to claim 1, characterized in that, The bottom of the main unit has heat dissipation holes corresponding to the installation area.

10. A compact food processing machine according to claim 1, characterized in that, The bottom of the mixing cup assembly is provided with a cup air inlet communicating with the cup body shell and a cup air outlet communicating with the centrifugal fan hood. A shield is movably installed inside the cup body shell. The shield opens the cup air inlet and the cup air outlet when the mixing cup assembly is installed on the main unit, and closes the cup air inlet and the cup air outlet when the mixing cup assembly is separated from the main unit.

Images