Knife assembly, cup assembly and food processor

Abstract

The application discloses a knife assembly, a cup assembly and a food processor. The knife assembly comprises a knife shaft and at least two groups of knives. The two groups of knives are arranged at intervals along the axial direction of the knife shaft. Each group of knives comprises a knife root, a first knife part and a second knife part. The knife root is mounted on the knife shaft. The first knife part is connected to the knife root and is arranged upwardly and obliquely away from the knife shaft along the knife root. The second knife part is connected to the end of the knife root away from the first knife part and is arranged downwardly and obliquely away from the knife shaft along the knife root. In the vertical direction, the projections of the first knife parts of the upper and lower adjacent first knife parts on the horizontal plane are arranged at intervals, the projections of the second knife parts of the upper and lower adjacent second knife parts on the horizontal plane are arranged at intervals, and the projections of the knives of the knife assembly on the horizontal plane are symmetrically distributed. The application can improve the cutting and crushing space for food and improve the processing efficiency.

Description

Technical Field

[0001] This application relates to the field of household appliance technology, and in particular to a knife assembly, a cup assembly, and a food processor. Background Technology

[0002] A food processor is a machine that can crush or process foods such as fruits, vegetables, and ice into a paste, such as a blender or juicer. Food processors have a blade assembly that, under the action of driving force, separates, cuts, or grinds the food.

[0003] In related technologies, increasing the driving power is usually adopted to improve the crushing effect. This makes the requirements for the motor used to drive the blade assembly more demanding, thus increasing the cost. Summary of the Invention

[0004] This application provides a blade assembly, a cup assembly, and a food processor, designed to improve pulverizing performance and reduce costs.

[0005] To achieve the above objectives, a first aspect of this application provides a blade assembly, comprising:

[0006] The cutter shaft; and

[0007] At least two sets of cutting tools are spaced apart along the axial direction of the cutting shaft, each set of cutting tools comprising:

[0008] The root of the cutter is mounted on the cutter shaft;

[0009] A first cutting section is connected to the root of the cutting tool and is inclined upward along the root of the cutting tool in a direction away from the cutting axis; and

[0010] The second blade is connected to the end of the blade root that is away from the first blade, and is inclined downward along the blade root in a direction away from the blade axis;

[0011] In the vertical direction, the projections of the first blades that are vertically adjacent to each other on the horizontal plane are staggered, the projections of the second blades that are vertically adjacent to each other on the horizontal plane are staggered, and the projections of the cutting tools of the blade assembly on the horizontal plane are symmetrically distributed.

[0012] In some embodiments, the distance between two adjacent blade roots along the blade axis is defined as H, the projected height of the first blade along the blade axis is defined as h1, and the projected height of the second blade along the blade axis is defined as h2. H, h1, and h2 satisfy: H = h1 + h2.

[0013] In some of these embodiments, h1 and h2 satisfy: h1 = h2.

[0014] In some embodiments, the first blade is tilted upward at the same angle as the second blade is tilted downward at the same angle.

[0015] In some embodiments, when viewed along the axial direction of the cutter shaft, the first and second cutting portions of the same cutter are arranged in a centrally symmetrical manner about the center of the cutter shaft.

[0016] In some embodiments, the cutters are arranged in two sets, wherein, along the axial direction of the cutter shaft, the first cutting portion of one set of cutters faces the second cutting portion of the other set of cutters.

[0017] In some embodiments, the cutting tools are arranged in three groups. Along the axial direction of the cutting shaft, the distance between the middle cutting tool root and the cutting tool root on one side is defined as H1, and the distance between the middle cutting tool root and the cutting tool root on the other side is defined as H2. H1 and H2 satisfy: H1 = H2.

[0018] In some embodiments, the three sets of cutting tools are staggered in the circumferential direction of the cutting axis, and the projections of two adjacent sets of cutting tools on the horizontal plane are set at 60°.

[0019] In some embodiments, the first blade includes a back of the blade and a cutting edge, wherein the cutting edge is angled relative to the back of the blade.

[0020] The cutting tools are arranged in two sets, with the cutting edge of one set of tools inclined toward the cutting edge of the other set of tools along the axial direction of the cutting shaft.

[0021] Alternatively, the cutting tools are arranged in three groups. Along the axial direction of the cutting shaft, the cutting edges of the middle group of cutting tools and the upper group of cutting tools are both inclined downwards, while the cutting edges of the lower group of cutting tools are inclined upwards.

[0022] In some embodiments, the angle at which the first blade is tilted upward and the angle at which the second blade is tilted downward are both no greater than 30°;

[0023] And / or, the vertical distance between two adjacent blade roots is no more than 20mm.

[0024] A second aspect of this application provides a cup assembly, including:

[0025] Bottom of the cup;

[0026] The cup body, located at the bottom of the cup body; and

[0027] The knife assembly described above is located at the bottom of the cup body and extends into the cup body.

[0028] A third aspect of this application provides a food processor, comprising:

[0029] Base; and

[0030] The cup assembly as described above is disposed on the base assembly.

[0031] In the blade assembly provided in this application embodiment, at least two sets of blades are arranged axially at intervals along the blade shaft. The first blade is inclined upwards along its root towards the direction away from the blade shaft, and the second blade is inclined downwards along its root towards the direction away from the blade shaft. Thus, compared to blades with a flat surface, the blade assembly of this application greatly increases the pulverizing space along the blade shaft axially. This means that the first and second blades can fully contact the food and have a larger effective range, thereby improving the cutting and pulverizing effect on the food and increasing processing efficiency.

[0032] Meanwhile, in the vertical direction, the projections of adjacent first blades on the horizontal plane are staggered, and the projections of adjacent second blades on the horizontal plane are also staggered. Furthermore, the projections of the blades in the blade assembly on the horizontal plane are symmetrically distributed. Thus, when the blade shaft rotates at high speed, the centrifugal forces generated by the symmetrically distributed blades cancel each other out, allowing the blade assembly to maintain dynamic balance during rotation, thereby reducing vibration and noise from the blade shaft. Compared to traditional blade assemblies, the blade assembly of this application operates more smoothly, reducing the risk of damage to other components of the food processor due to excessive vibration and extending the lifespan of the food processor.

[0033] Furthermore, this application improves the crushing effect of the blade assembly by designing the blade shape, rather than by increasing the output power of the drive motor as in related technologies. This approach can improve the crushing effect while ensuring good cost control. Attached Figure Description

[0034] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0035] Figure 1 This is a schematic diagram of the blade assembly provided in an embodiment of this application;

[0036] Figure 2 A schematic diagram of the blade assembly provided in an embodiment of this application from a top view.

[0037] Figure 3 This is another structural schematic diagram of the blade assembly provided in an embodiment of this application;

[0038] Figure 4 This is another structural schematic diagram of the blade assembly provided in the embodiments of this application from a top view.

[0039] Explanation of icon numbers:

[0040] 10. Cutting shaft; 20. Cutting tool; 21. Cutting root; 22. First cutting section; 221. Back of the cutting tool; 222. Cutting edge; 23. Second cutting section.

[0041] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0042] To make the objectives, technical solutions, and advantages of this application clearer, the embodiments of this application will be described in further detail below with reference to the accompanying drawings.

[0043] In the following description, when referring to the accompanying drawings, the same numbers in different drawings denote the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.

[0044] In the description of this application, it should be understood that the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances. Furthermore, in the description of this application, unless otherwise stated, "multiple" refers to two or more. "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. The character " / " generally indicates that the preceding and following related objects are in an "or" relationship.

[0045] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0046] In the accompanying drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components. In the description of this application, it should be understood that if terms such as "upper," "lower," "left," "right," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they 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. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this application. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0047] Existing food processors, such as juicers, blenders, slow juicers, and soy milk makers, can process fruits, vegetables, ice cubes, and other foods into a paste or finely chopped ingredients.

[0048] However, in related technologies, the blades typically employ a flat blade shape, or blades that are simultaneously curved upwards or downwards. These blade shapes have a limited effective range and a small pulverizing space when cutting and pulverizing food, resulting in poor cutting and pulverizing effects and low processing efficiency. To improve pulverizing performance, some food processors increase the motor's output power, leading to increased costs.

[0049] In this regard, embodiments of this application provide a knife assembly, a cup assembly, and a food processor, which have a simple structure and low cost.

[0050] Specifically, please refer to Figure 1 and Figure 2 , Figure 1 This is a schematic diagram of the blade assembly provided in an embodiment of this application; Figure 2 This is a schematic diagram of the blade assembly provided in an embodiment of this application from a top view.

[0051] The food processor of this embodiment includes a base and a cup assembly, with the cup assembly mounted on the base.

[0052] The base is the supporting component of the food processor, and a drive motor can be installed inside the base. The drive motor provides power for the rotation of the blade assembly.

[0053] The cup assembly is used to hold and process food. The connection between the cup assembly and the base can be detachable to facilitate cleaning and replacement of different cup assemblies. For example, a snap-on connection or a threaded connection can be used.

[0054] Specifically, the cup assembly includes a cup body and a knife assembly. The cup body is used to mount the knife assembly. The cup body has a food processing cavity for containing the food to be processed. The cup body can be made of glass, plastic, or stainless steel, etc. The shape of the cup body can be cylindrical, conical, etc.

[0055] A blade assembly is disposed on the cup body and extends into the food processing chamber. In one embodiment, the blade assembly is disposed at the bottom of the cup body and extends into the food processing chamber from the bottom up. In another embodiment, the blade assembly is disposed at the top of the cup body and extends into the food processing chamber from the top down.

[0056] The blade assembly in this embodiment is the core component of the food processor that enables food cutting and pulverizing.

[0057] Specifically, the tool assembly includes a tool shaft 10 and at least two sets of tools 20.

[0058] The connecting end of the cutter shaft 10 is connected to the output end of the drive motor inside the machine base. Driven by the drive motor, the cutter shaft 10 rotates at high speed, thereby driving the blade 20 to cut and pulverize the food. The cutter shaft 10 can be made of stainless steel to ensure sufficient strength and rigidity.

[0059] In this embodiment, at least two sets of cutting tools 20 are spaced apart along the axial direction of the cutting shaft 10. Each set of cutting tools 20 includes a root portion 21, a first cutting portion 22, and a second cutting portion 23.

[0060] The cutter root 21 is mounted on the cutter shaft 10 and is used to connect the cutter shaft 10 and the cutter. For example, the cutter root 21 passes through the cutter shaft 10, and the connection between the cutter root 21 and the cutter shaft 10 can be a key connection or an interference fit to ensure a firm and reliable connection and prevent the cutter 20 from loosening during high-speed rotation.

[0061] The first cutting part 22 is connected to the cutting root part 21 and is inclined upward along the cutting root part 21 in a direction away from the cutting shaft 10. Exemplarily, the first cutting part 22 and the cutting root part 21 are integrally formed, such as by a bending process. The upward inclined design of the first cutting part 22 increases the axial cutting range of the cutting shaft 10 when the cutting shaft 10 rotates.

[0062] The second blade 23 is connected to the end of the blade root 21 opposite to the first blade 22, and is inclined downward along the blade root 21 in a direction away from the blade axis 10. Exemplarily, the second blade 23 and the blade root 21 are integrally formed, such as by a bending process. The downwardly inclined second blade 23 can cut the food below, cooperating with the first blade 22 to further expand the cutting range. During food mixing, the two spaced-apart blades 20 allow the food to be cut and pulverized at different levels.

[0063] Compared to flat-blade knives, the blade assembly of this application significantly increases the pulverizing space along the axial direction of the blade shaft 10. The first blade 22 and the second blade 23 can fully contact the food and have a larger range of action. During the operation of the food processor, the first blade 22 cuts from bottom to top, and the second blade 23 cuts from top to bottom, ensuring that the food is cut by the blades 20 at different heights within the cup, thereby improving the pulverizing effect.

[0064] Because the cutting range of the blade assembly is expanded, food can be cut and pulverized more quickly, thereby improving processing efficiency.

[0065] This application improves the pulverizing effect of the blade assembly by designing a 20-blade type, rather than by increasing the output power of the drive motor as used in related technologies. While maintaining good pulverizing performance, it eliminates the need to increase the power of the drive motor, thus reducing costs. Furthermore, the lower-power drive motor consumes less energy during operation, making it more energy-efficient and environmentally friendly.

[0066] To improve the stability of the tool assembly, in the vertical direction, the projections of adjacent first tool sections 22 on the horizontal plane are staggered, and the projections of adjacent second tool sections 23 on the horizontal plane are also staggered. Furthermore, the projections of the tool 20s on the horizontal plane are symmetrically distributed. In one configuration, the projections of the tool 20s on the horizontal plane are axially symmetrical, meaning an axis of symmetry can be found, making the shape and distribution of the tool 20s identical on both sides of the axis of symmetry. In another configuration, the projections of the tool 20s on the horizontal plane are centrally symmetrical about the axis of the tool shaft 10, with the axis of the tool shaft 10 as the center of symmetry, and the tool 20s are evenly distributed around the center of symmetry.

[0067] In this embodiment, the blades 20 are symmetrically distributed on the horizontal plane. Whether arranged axially or centrally, this ensures the blade assembly maintains dynamic balance during rotation. When the blade shaft 10 rotates at high speed, the centrifugal forces generated by the symmetrically distributed blades 20 cancel each other out, reducing vibration and noise of the blade shaft 10. Compared to traditional blade assemblies, the blade assembly of this embodiment operates more smoothly, reducing the risk of damage to other components of the food processor due to excessive vibration and extending the lifespan of the food processor. For example, when processing hard ingredients such as ice, traditional blade assemblies may generate significant vibration due to imbalance, while the blade assembly of this embodiment maintains stable operation, ensuring that the ice is successfully crushed.

[0068] When a food processor processes solid foods (such as ice), if multiple blades exist on the same radial plane of the blade shaft 10, these blades will form a rotating surface during rotation. When solid foods like ice enter the grinding space, they are obstructed by this rotating surface, making it difficult for them to fully contact the blades for cutting. Furthermore, the movement of ice already in the grinding space is also disturbed, preventing it from moving along a preset trajectory. This reduces the contact between the ice and the blades 20, resulting in poor cutting and grinding effects and low processing efficiency.

[0069] In one embodiment, the dimensions of the blade assembly are designed to improve its cutting and crushing effect.

[0070] Specifically, the distance between two adjacent cutter root portions 21 along the axial direction of the cutter shaft 10 is defined as H. The projected height dimension of the first cutter portion 22 along the axial direction of the cutter shaft 10 is defined as h1, and h1 is the effective range of the first cutter portion 22. The projected height dimension of the second cutter portion 23 along the axial direction of the cutter shaft 10 is defined as h2, and h2 is the effective range of the second cutter portion 23.

[0071] In this embodiment, H, h1, and h2 satisfy H = h1 + h2. Thus, only one blade is positioned on the same radial plane of the blade shaft 10. From the working principle of the food processor, when the blade shaft 10 rotates, since there is only one blade on the same radial plane, the overlapping of multiple blade rotation surfaces and the resulting obstruction of food is avoided.

[0072] For solid foods such as ice, the ice is not obstructed by the multiple rotating surfaces of the blades when entering the crushing space. The ice can easily enter the cutting area of ​​the blade 20, increasing the chance of contact between the food and the blade 20, thereby improving cutting efficiency. For example, ice that could only enter the crushing space in small quantities due to the obstruction of the rotating surfaces can now enter in large quantities, providing more raw materials for subsequent crushing processing.

[0073] In this embodiment, without the interference of multiple rotating blade surfaces, the food can flow within the pulverizing space along a preset trajectory, continuously maintaining full contact with the blades 20. This allows the food to be cut by the blades 20 at different positions and angles, resulting in more comprehensive and thorough cutting, significantly improving the pulverizing effect. For example, ice cubes can continuously tumble and move within the pulverizing space, being cut by the blades 20 from various directions, ultimately being pulverized into fine particles more quickly.

[0074] In one embodiment, h1 = h2, meaning the coverage area of ​​the first blade 22 and the second blade 23 along the axial direction of the blade shaft 10 is the same. Thus, the effective range of the first blade 22 and the second blade 23 along the axial direction of the blade shaft 10 is balanced. When the blade shaft 10 rotates, because their height dimensions are the same, they can uniformly cut the food at different levels, avoiding uneven food cutting caused by an excessively large or small effective range of a single blade, thereby improving the overall cutting and pulverizing effect.

[0075] In one embodiment, the first blade 22 is inclined upward along the root 21 in a direction away from the blade shaft 10, and the second blade 23 is inclined downward along the root 21 in a direction away from the blade shaft 10, and their inclination angles are the same. Thus, during the rotation of the blade shaft 10, the cutting force applied by the blades to the food has a certain symmetry, ensuring that the food receives a uniform force in different directions when being cut.

[0076] In one embodiment, such as Figure 2 As shown, when viewed along the axial direction of the cutter shaft 10, the first cutting part 22 and the second cutting part 23 of the same cutting tool 20 are centrally symmetrical about the center of the cutter shaft 10. That is, the first cutting part 22 and the second cutting part 23 have a symmetrical relationship, with the center of the cutter shaft 10 as the point of symmetry.

[0077] This centrally symmetrical arrangement provides better balance to the blade assembly during rotation. When the blade shaft 10 drives the blade 20 to rotate at high speed, the centrifugal forces generated by the symmetrical distribution of the first blade 22 and the second blade 23 are balanced, reducing vibration and wear of the blade shaft 10. Simultaneously, it allows the food to be cut and stirred more evenly under the action of the blade assembly.

[0078] In one embodiment, the upward tilt angle of the first blade 22 and the downward tilt angle of the second blade 23 are both no greater than 30°.

[0079] When the tilt angle between the first blade 22 and the second blade 23 is no greater than 30 degrees, the contact area between the blade and the food is moderate. As can be seen from the working principle of the food processor, a tilt angle of no more than 30 degrees can ensure that the blade can effectively cut into the food when rotating, without causing the cutting force to be dispersed or the food to be difficult to cut due to an excessively large tilt angle.

[0080] In one embodiment, the vertical distance between two adjacent blade roots 21 is no more than 20mm, thus making the distribution of the blades 20 on the blade shaft 10 more compact. When the blade shaft 10 rotates, the food can be cut multiple times, increasing the contact opportunities between the food and the blades 20, and improving the cutting frequency and effectiveness.

[0081] In one embodiment, the first blade portion 22 includes a back of blade 221 and a cutting edge 222, and the cutting edge 222 is angled relative to the back of blade 221, such as... Figure 2 The angle n shown can be 5°, 15°, 30°, etc. It can be understood that "angle setting" here means that the blade 222 is not parallel to the back of the blade 221, but is connected to the back of the blade 221 at a certain angle, and the blade 222 is the oblique side relative to the back of the blade 221.

[0082] Thus, when the blade shaft 10 drives the first blade 22 to rotate, the first blade 22 can contact the food with a larger area during rotation. In the conventional design of the knife 20, the back of the blade 221 and the cutting edge 222 may be parallel or nearly parallel, resulting in a relatively small contact area with the food when cutting. In this embodiment, however, the cutting edge 222 can increase the contact range with the food when rotating, allowing the food to be subjected to the cutting force more comprehensively, thereby improving the cutting efficiency.

[0083] In one embodiment, the cutting tools 20 of the cutting tool assembly are configured as two sets. Along the axial direction of the cutting shaft 10, the first cutting portion 22 of one set of cutting tools 20 faces the second cutting portion 23 of the other set of cutting tools 20. Since the first cutting portion 22 is inclined upwards and the second cutting portion 23 is inclined downwards, this facing arrangement creates a mutually cooperating structure between the two sets of cutting tools 20 in space.

[0084] When the blade shaft 10 drives the blade 20 to rotate, because the blade is tilted, the rotation of a single blade 20 will generate a resultant force in a certain direction. If there is only one set of blades 20, this resultant force may cause the blade assembly to tilt, affecting the stability of the blade assembly and reducing the food processing effect.

[0085] In this embodiment, the first blade section 22 and the second blade section 23 of the two sets of blades 20 are arranged facing each other, which can effectively counteract the resultant force in one direction. The upward or downward resultant force generated by the rotation of one set of blades 20 is balanced by the opposite resultant force generated by the rotation of the other set of blades 20. In this way, the blade assembly is more stable during rotation, reducing vibration and shaking. At the same time, the stable blade assembly can more effectively cut and pulverize food, ensuring the quality and efficiency of food processing.

[0086] In one embodiment, along the axial direction of the blade shaft 10, the blades 222 of one set of blades 20 are inclined toward the blades 222 of the other set of blades 20. That is, the blades 222 of the two sets of blades 20 form a relatively inclined structure. When the food processor is operating, the food flows within the container as the blade shaft 10 rotates. The relatively inclined arrangement of the blades 222 of the two sets of blades 20 guides the food. As the food moves under the action of the blade assembly, due to the relative inclination of the blades 222, the food is guided into the space between the two blades 20. Within this space, the blades 222 of the two sets of blades 20 can simultaneously cut the food, increasing the contact and cutting frequency between the food and the blades 20, thereby improving the cutting efficiency.

[0087] Please see Figure 3 and Figure 4 , Figure 3 This is another structural schematic diagram of the blade assembly provided in an embodiment of this application; Figure 4 This is another structural schematic diagram of the blade assembly provided in the embodiments of this application from a top view.

[0088] In one embodiment, the cutting tool assembly is provided with three sets of cutting tools 20. Along the axial direction of the cutting tool shaft 10, the distance between the middle cutting tool root 21 and the cutting tool root 21 on one side is defined as H1, and the distance between the middle cutting tool root 21 and the cutting tool root 21 on the other side is defined as H2, satisfying H1 = H2. That is, the distribution of the cutting tool roots 21 of the three sets of cutting tools 20 along the axial direction of the cutting tool shaft 10 is symmetrical about the middle cutting tool root 21.

[0089] When the cutter shaft 10 drives the three sets of cutters 20 to rotate, the three sets of cutters 20 are evenly distributed along the axial direction of the cutter shaft 10 because H1 = H2. During rotation, if H1 and H2 are not equal, the cutter assembly may deviate to one side, affecting not only its lifespan but also reducing the food pulverization effect. In this embodiment, the setting of H1 = H2 makes the cutter assembly rotation more stable, improving its operational stability and ensuring that the food is better pulverized under a uniform cutting force.

[0090] In one embodiment, three sets of cutting tools 20 are staggered in the circumferential direction of the cutter shaft 10, and the projections of adjacent sets of cutting tools 20 on the horizontal plane are arranged at 60°, such as... Figure 4 The angle m shown is 60°. This arrangement causes the three sets of tools 20 to form a spiral-like structure along the circumference of the tool axis 10.

[0091] This embodiment features a helical-structured tool 20, which offers the following advantages.

[0092] On the one hand, it enables food to form a spiral flow trajectory within the cup. When the blade shaft 10 rotates, the three sets of blades 20 cut the food sequentially. The food is continuously pushed upwards or downwards as the blades 20 rotate, forming a spiral upward or downward motion. The spiral motion increases the residence time of the food within the working area of ​​the blade assembly, allowing the food to come into more full contact with the blades 20, thereby improving the pulverizing effect.

[0093] On the other hand, the adjacent sets of cutters 20 are set at 60°, which makes the forces on the three sets of cutters 20 more balanced during rotation. During rotation, the centrifugal force and cutting force generated by each cutter 20 can cancel each other out and balance each other, reducing the torque fluctuation of the cutter shaft 10 and ensuring the smooth operation of the cutter assembly.

[0094] In one embodiment, when the blade assembly is vertically arranged, the blades 222 of the middle set of blades 20 and the blades 222 of the upper set of blades 20 are both inclined downwards along the axial direction of the blade shaft 10, while the blades 222 of the lower set of blades 20 are inclined upwards.

[0095] The tilting direction of the blades 222 described above allows for better guidance of food flow and cutting. When the blade shaft 10 rotates, the downward-tilting blades 222 of the upper and middle blades 20 can cut and push the food downwards, causing it to flow downwards. Meanwhile, the upward-tilting blades 222 of the lower blade 20 can lift and cut the food upwards, creating a circulating flow of food. This circulating flow increases the contact between the food and the blades 20, ensuring effective cutting at different levels and preventing uneven cutting caused by food accumulation in localized areas.

[0096] The above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A blade assembly, characterized in that, include: Cutter shaft; as well as At least two sets of cutting tools are spaced apart along the axial direction of the cutting shaft, each set of cutting tools comprising: The root of the cutter is mounted on the cutter shaft; A first cutting section is connected to the root of the cutting tool and is inclined upward along the root of the cutting tool in a direction away from the cutting axis; and The second blade is connected to the end of the blade root that is away from the first blade, and is inclined downward along the blade root in a direction away from the blade axis; In the vertical direction, the projections of two adjacent first cutting parts on the horizontal plane are staggered, the projections of two adjacent second cutting parts on the horizontal plane are staggered, and the projections of the cutting tools of the cutting tool assembly on the horizontal plane are symmetrically distributed.

2. The blade assembly according to claim 1, characterized in that, The distance between two adjacent blade roots along the blade axis is defined as H. The projected height of the first blade along the blade axis is defined as h1. The projected height of the second blade along the blade axis is defined as h2. H, h1, and h2 satisfy: H = h1 + h2.

3. The blade assembly according to claim 2, characterized in that, h1 and h2 satisfy: h1 = h2.

4. The blade assembly according to claim 1, characterized in that, The first cutting edge is tilted upward at the same angle as the second cutting edge is tilted downward at the same angle.

5. The blade assembly according to claim 1, characterized in that, Viewed along the axial direction of the cutter shaft, the first and second cutting portions of the same cutting tool are arranged in a centrally symmetrical manner about the center of the cutter shaft.

6. The blade assembly according to claim 5, characterized in that, The cutting tools are arranged in two sets, wherein, along the axial direction of the cutting shaft, the first cutting part of one set of cutting tools is directly opposite the second cutting part of the other set of cutting tools.

7. The blade assembly according to claim 5, characterized in that, The cutting tools are arranged in three groups. Along the axial direction of the cutting shaft, the distance between the middle cutting tool root and the cutting tool root on one side is defined as H1, and the distance between the middle cutting tool root and the cutting tool root on the other side is defined as H2. H1 and H2 satisfy: H1 = H2.

8. The blade assembly according to claim 7, characterized in that, In the circumferential direction of the cutter shaft, the three sets of cutters are staggered, and the projections of two adjacent sets of cutters on the horizontal plane are set at 60°.

9. The blade assembly according to claim 5, characterized in that, The first blade includes a back of the blade and a cutting edge, wherein the cutting edge is set at an angle to the back of the blade; The cutting tools are arranged in two sets, with the cutting edge of one set of tools inclined toward the cutting edge of the other set of tools along the axial direction of the cutting shaft. Alternatively, the cutting tools are arranged in three groups. Along the axial direction of the cutting shaft, the cutting edges of the middle group of cutting tools and the upper group of cutting tools are both inclined downwards, while the cutting edges of the lower group of cutting tools are inclined upwards.

10. The blade assembly according to any one of claims 1 to 9, characterized in that, The angle at which the first blade is tilted upward and the angle at which the second blade is tilted downward are both no greater than 30°; And / or, the vertical distance between two adjacent blade roots is no more than 20mm.

11. A cup assembly, characterized in that, include: The cup body has a food processing chamber; as well as The knife assembly as described in any one of claims 1 to 10 is disposed on the cup body and extends into the food processing cavity.

12. A food processor, characterized in that, include: Base; and The cup assembly as described in claim 11 is disposed on the base.

Images