Stirring knife assembly and food processor
By designing a mixing knife assembly with tilting or twisting blades, the problem of uneven cutting of ingredients in existing cooking machines is solved, and a more uniform and thorough cutting effect is achieved.
Patent Information
- Application Number
- CN202421488351.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-06-26
AI Technical Summary
During the rotation of the mixing knife assembly of the existing cooking machine, the blade position is fixed, resulting in easy accumulation of ingredients and wall-touching, and uneven cutting thickness and incompleteness.
A stirring knife assembly is designed including a driving rod and a first tool assembly. The first tool assembly consists of a mounting sleeve, a first blade and a second blade, with the back and front of the blade tilting upward and downward respectively, or the blade twisting in the opposite direction. When the driving rod rotates, the first tool assembly rotates about the center line of the driving rod rotation, while reciprocating up and down along the groove to achieve more uniform and thorough cutting.
Through this design, the thickness of the ingredients being cut is more uniform and thorough, avoiding the problems of food accumulation and wall-touching.
Smart Images
Figure CN222898954U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of small household appliances, and particularly to a stirring knife assembly and a cooking machine. Background Art
[0002] With the increasing improvement of people's living standards, many different types of cooking machines have emerged on the market. The functions of a cooking machine mainly can include, but are not limited to, functions such as making soy milk, squeezing juice, mincing meat, shaving ice, making coffee, and / or preparing facial masks.
[0003] A cooking machine, such as a meat grinder, includes a food container, a container lid covering the food container, a stirring knife assembly located in the food container, and a main body. The stirring knife assembly includes a driving rod and a blade provided on the driving rod. The blade is fixed to the driving rod. Thus, during the process that the main body drives the driving rod to rotate in the food container, the blade rotates synchronously with the driving rod, and the position of the blade on the driving rod does not change, resulting in easy accumulation of food materials and sticking to the inner wall of the food container (also called wall sticking), leading to uneven and incomplete cutting thickness. Summary of the Utility Model
[0004] The purpose of this application is to disclose a stirring knife assembly and a cooking machine. The stirring knife assembly can cut food materials more evenly and thoroughly.
[0005] In a first aspect, this application discloses a stirring knife assembly. The stirring knife assembly includes a driving rod and a first knife assembly; wherein: the first knife assembly includes a mounting sleeve, a first blade, and a second blade; the mounting sleeve is assembled on the driving rod, and one of the mounting sleeve and the driving rod is provided with a groove extending along the axial direction of the driving rod, and the other is provided with a convex block that is in clearance fit with the groove; both the first blade and the second blade include a blade front surface and a blade back surface; wherein, the blade back surface of the first blade is inclined upward relative to the horizontal plane, and the blade front surface of the second blade is inclined downward relative to the horizontal plane; or, the first blade is twisted in a first direction, and the second blade is twisted in a second direction, and the first direction and the second direction are opposite; when the driving rod rotates, the first knife assembly rotates around the rotation center line of the driving rod, and at the same time, under the mutual acting force between the first blade and the second blade and the food materials, the first knife assembly also moves up and down reciprocally along the groove.
[0006] With the above settings, on the circumference of the driving rod, the convex blocks cooperate with the grooves. This concave-convex cooperation is equivalent to an anti-rotation structure. Therefore, the driving rod can drive the first knife assembly to rotate. Since the convex blocks and the grooves are in clearance fit, and the back surface of the blade of the first blade is inclined upward relative to the horizontal plane, the front surface of the blade of the second blade is inclined downward relative to the horizontal plane, or the first blade is twisted in a first direction and the second blade is twisted in a second direction opposite to the first direction. Thus, during the process of the first blade and the second blade passing over the food ingredients, the food ingredients will exert an axial upward or downward thrust on the first knife assembly, causing the first assembly to move up and down reciprocally along the groove while rotating around the rotation center line of the driving rod according to the different resistances received by the first blade and the second blade. As a result, under the interaction force between the first blade and the second blade and the food ingredients, the first knife assembly rotates around the rotation center line of the driving rod while moving up and down reciprocally along the groove, achieving a cutting effect, making the thickness of the cut food ingredients more uniform and more thorough.
[0007] In some embodiments, the back surface of the blade that is inclined upward relative to the horizontal plane and the front surface of the blade that is inclined downward relative to the horizontal plane are both flat surfaces; the flat surfaces form an acute angle with the horizontal plane.
[0008] With the above settings, since the flat surfaces both form an acute angle with the horizontal plane, in this way, during the movement of the first knife assembly, the resistance received is smaller, which is more conducive to achieving the up-and-down reciprocating movement along the axial direction of the driving rod while rotating. Thus, the food ingredients are cut more thoroughly and the thickness is more uniform.
[0009] In some embodiments, both the first blade and the second blade include a blade back and a blade edge; along the direction from the blade back to the blade edge of the first blade, the back surface of the blade of the first blade is inclined upward relative to the horizontal plane; along the direction from the blade edge to the blade back of the second blade, the front surface of the blade of the second blade is inclined downward relative to the horizontal plane.
[0010] With the above settings, being inclined along the direction from the blade back to the blade edge, using the blade edge to cut the food ingredients, and combining the functions of the inclination of the first blade and the second blade described above, the thickness of the cut food ingredients is more uniform and more thorough.
[0011] In some embodiments, the acute angle is not less than 3 degrees and not more than 45 degrees.
[0012] With the above settings, since the acute angle is not less than 3 degrees and not more than 45 degrees, during the movement of the first knife assembly, the resistance received is smaller, which is more conducive to achieving the up-and-down reciprocating movement along the axial direction of the driving rod while rotating. Thus, the food ingredients are cut more thoroughly and the thickness is more uniform.
[0013] In some embodiments, both the front surface and the back surface of the blade of the first blade are inclined upward relative to the horizontal plane; both the front surface and the back surface of the blade of the second blade are inclined downward relative to the horizontal plane.
[0014] With the above settings, since both the front blade surface and the back blade surface of the first blade are inclined upward relative to the horizontal plane; both the front blade surface and the back blade surface of the second blade are inclined downward relative to the horizontal plane. In this way, for either the first blade or the second blade, both the front blade surface and the back blade surface are inclined, which enables better interaction with the food ingredients. Thus, while the first knife assembly can rotate better around the rotation center line of the drive rod, it can reciprocate up and down along the groove. Furthermore, the cut food ingredients are more uniform and thorough in thickness.
[0015] In some embodiments, both the first blade and the second blade are disposed in an overall horizontal direction.
[0016] With the above settings, both the first blade and the second blade are disposed horizontally as a whole, combined with the back blade surface of the first blade being inclined upward relative to the horizontal plane, and the front blade surface of the second blade being inclined downward relative to the horizontal plane. In this way, the cut food ingredients are more uniform and thorough in thickness.
[0017] In some embodiments, the stirring knife assembly includes a second knife assembly, and the second knife assembly is fixedly connected to the drive rod; or, the second knife assembly is detachably assembled to the drive rod.
[0018] With the above settings, after the second knife assembly is provided, the first knife assembly and the second knife assembly cooperate with each other, and the cut food ingredients are more uniform and thorough in thickness.
[0019] In some embodiments, while the second knife assembly rotates around the drive rod, it reciprocates up and down along the drive rod; or, in the case where the second knife assembly is detachably assembled to the drive rod, the drive rod is provided with a chute, and the second knife assembly is provided with a second convex portion, and the second knife assembly realizes detachable assembly with the drive rod through the cooperation of the second convex portion and the chute.
[0020] With the above settings, the cooperation of the second convex portion and the chute realizes the detachable assembly of the second knife assembly to the drive rod, and the assembly of the second knife assembly and the drive rod is simple.
[0021] Since both the first knife assembly and the second knife assembly can rotate around the rotation center line of the drive rod and reciprocate up and down along the axial direction of the drive rod at the same time, in this way, the cooperation of the first knife assembly and the second knife assembly can cut food ingredients within a larger height range. Thus, through the cooperation of the first knife assembly and the second knife assembly, food ingredients within a larger range are chopped more thoroughly and uniformly in thickness.
[0022] In some embodiments, the second knife assembly is located below the first knife assembly, and the second knife assembly includes a third blade and a fourth blade; along the axial direction of the driving rod, the first blade, the second blade, the third blade, and the fourth blade are spaced apart from each other; along the circumferential direction of the driving rod, the first blade, the second blade, the third blade, and the fourth blade are staggered from each other.
[0023] With the above arrangement, since the first blade, the second blade, the third blade, and the fourth blade are spaced apart from each other axially and staggered from each other circumferentially on the driving rod, in this way, the relatively lower third blade and fourth blade push the food material towards the relatively higher first blade and second blade. Furthermore, combined with the rotation of the first blade and the second blade and their ability to reciprocate up and down along the groove of the driving rod, the thickness of the food material cut can be made more uniform and thorough.
[0024] In a second aspect, the present application discloses a cooking machine. The cooking machine includes a food container, a main body, and any one of the foregoing stirring knife assemblies; the stirring knife assembly is installed in the food container and is driven by the main body to rotate in the food container.
[0025] With the above arrangement, the cooking machine at least has the beneficial effects of the stirring knife assembly, which will not be elaborated here. Description of the Drawings
[0026] Figure 1 is a perspective view of a cooking machine shown according to an embodiment of the present application, and the cooking machine includes a first type of stirring knife assembly;
[0027] Figure 2 is Figure 1 the top view of the cooking machine shown;
[0028] Figure 3 is a cross-sectional view along line A-A of Figure 2 ;
[0029] Figure 4 is Figure 1 the exploded view of the cooking machine shown;
[0030] Figure 5 is Figure 1 the top view of the cooking machine shown without the main body and the container lid;
[0031] Figure 6 is a cross-sectional view along line B-B of Figure 5 ;
[0032] Figure 7 is the front view of the first type of stirring knife assembly shown according to an embodiment of the present application;
[0033] Figure 8 is Figure 7Exploded view of the shown stirring knife assembly;
[0034] Figure 9 is Figure 7 Schematic diagram of the shown stirring knife assembly excluding the first knife assembly;
[0035] Figure 10 is Figure 7 Stereogram of the first knife assembly of the shown stirring knife assembly at an angle;
[0036] Figure 11 is Figure 7 Stereogram of the shown stirring knife assembly at an angle;
[0037] Figure 12 is Figure 7 Stereogram of the first knife assembly of the shown stirring knife assembly at another angle;
[0038] Figure 13 is along Figure 12 Stereogram of the remaining part of the first knife assembly of after being cut along lines C-C and D-D;
[0039] Figure 14 is Figure 13 Enlarged view of part E in ;
[0040] Figure 15 is Figure 13 Enlarged view of part F in ;
[0041] Figure 16 Stereogram of the first type of stirring knife assembly shown according to an embodiment of the present application;
[0042] Figure 17 Exploded view of the second type of stirring knife assembly shown according to an embodiment of the present application. Detailed implementation manners
[0043] Here, the technical solutions in the embodiments (or "implementation manners") of the present application will be clearly and completely described in conjunction with the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.
[0044] If there are terms related to directional indications or positional relationships in the embodiments of this application (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationships, motion conditions, etc. between components in a specific posture (as shown in the drawings); if the specific posture changes, the directional indication or positional relationship will also change accordingly. In addition, the terms "first", "second", etc. involved in the embodiments of this application are only for the purpose of convenient description and should not be construed as indicating or implying relative importance.
[0045] See Figure 7 、 Figure 8 and Figure 15 and in combination with Figure 6 、 Figure 11 、 Figure 12 、 Figure 13 and Figure 4 , and, Figure 16 . Figure 15 Schematically shows the first stirring blade assembly, Figure 16 Schematically shows the second stirring blade assembly. These two stirring blade assemblies 10 include a driving rod 1 and a first blade assembly 2.
[0046] See Figure 10 、 Figure 8 and Figure 9 , the first blade assembly 2 includes a mounting sleeve 21, a first blade 221 and a second blade 222. In the embodiment of the present application, the mounting sleeve 21 is in a through shape to be penetrated by the driving rod 1, and there is no limit to how it is penetrated, as long as the driving rod 1 can pass through. The first blade 221 and the second blade 222 are assembled on the mounting sleeve 21, and there is no limit to how they are assembled, for example, by injection molding, etc. The mounting sleeve 21 is assembled on the driving rod 1. In the embodiment of the present application, the assembly is achieved by a convex block 211 and a groove 11 and in combination with the penetration of the driving rod 1 and the mounting sleeve 21. Specifically, see Figure 10 and Figure 8 , a convex block 211 is provided on the inner wall of the mounting sleeve 21. See Figure 9 , a groove 11 extending along the axial direction of the driving rod 1 is provided on the driving rod 1. In some other embodiments, the positions of the convex block 211 and the groove 11 can be interchanged, that is, a convex block 211 is provided on the driving rod 1, and a groove 11 extending along the axial direction of the driving rod 1 is provided on the mounting sleeve 21. Regardless of whether the convex block 211 and the groove 11 are provided on which one, see Figure 5 and in combination with Figure 8 、 Figure 9 and Figure 10 , the convex block 211 and the groove 11 are in clearance fit.
[0047] See Figure 7 、 Figure 13 、 Figure 14 、 Figure 15 、 Figure 16 and Figure 17 wherein both the first blade 221 and the second blade 222 include a blade front surface 223 and a blade back surface 224. Taking the end of the drive rod 1 connected to the main body as the upper end, for the first blade 221 and the second blade 222, the upward-facing surface is the blade front surface 223, and the downward-facing surface is the blade back surface 224. See Figure 7 and Figure 16 and in combination with Figure 14 the blade back surface 224 of the first blade 221 is inclined upward relative to the horizontal plane, and the blade front surface 223 of the second blade 222 is inclined downward relative to the horizontal plane. In one embodiment of the present application, along the axial direction of the drive rod 1, the first blade 221 is located below the second blade 222 and is circumferentially offset. In other embodiments, the first blade 221 may also be located above the second blade 222 and be offset. For the blade front surface 223 of the first blade 221, it may have the structure described later, or it may be a plane parallel to the horizontal plane. For the blade back surface 224 of the second blade 222, in addition to the structure described later, it may also be a plane parallel to the horizontal plane.
[0048] With the above arrangement, in the circumferential direction of the drive rod 1, the convex block 211 cooperates with the groove 11. This convex-concave cooperation is equivalent to an anti-rotation structure. Therefore, the drive rod 1 can drive the first knife assembly 2 to rotate. Due to the clearance fit between the convex block 211 and the groove 11, and the fact that the blade back surface 224 of the first blade 221 is inclined upward relative to the horizontal plane, and the blade front surface 223 of the second blade 222 is inclined downward relative to the horizontal plane. Thus, during the process of the first blade 221 and the second blade 222 passing over the food ingredients, the food ingredients will exert an axial upward or downward thrust on the first knife assembly 2, causing the first knife assembly 2 to move up and down along the groove 11 while rotating around the rotation center line of the drive rod 1 according to the different resistances received by the first blade 221 and the second blade 222. As a result, under the interaction force between the first blade 221 and the second blade 222 and the food ingredients, the food ingredients can be cut more evenly and thoroughly.
[0049] Furthermore, the first knife assembly is engaged through the cooperation of the bump 211 and the groove 11. The groove 11 extends along the axial direction of the driving rod 1. In the circumferential direction of the driving rod 1, the cooperation between the bump 211 and the groove 11 is equivalent to an anti-rotation structure. The first knife assembly 2 can rotate synchronously with the driving rod 1 better, and the torque of the driving rod 1 is directly transmitted to the first knife assembly 2 without differential speed, so that the food ingredients can be chopped more thoroughly and the thickness can be more uniform. Whether the groove 11 is arranged on the mounting sleeve 21 and extends along the axial direction of the driving rod 1 or is arranged on the driving rod 1 and extends along the axial direction of the driving rod 1, it will make the cleaning convenient, because only a cleaning tool needs to be inserted into the groove 11.
[0050] Based on the functions of the back surface 224 of the first blade 221 being inclined upward relative to the horizontal plane and the front surface 223 of the second blade 222 being inclined downward relative to the horizontal plane, the first blade 221 and the second blade 222 can be understood by referring to the blades of a bamboo dragonfly. Since the first knife assembly 2 of the present application rotates along the driving rod 1 and reciprocates up and down, it can be understood by referring to the rotation and up and down movement of a bamboo dragonfly. That is, the first blade 221 is twisted in a first direction, the second blade 222 is twisted in a second direction, and the first direction and the second direction are opposite. The twisted shapes of the first blade 221 and the second blade 222 can be understood not only by the shape of the bamboo dragonfly described above, but also by referring to the structure of the twisted blades of some propellers. The beneficial effects of this implementation are the same as those of the previous implementation, which are described here: During the process of the first blade 221 and the second blade 222 passing through the food ingredients, the food ingredients will exert an axial upward or downward thrust on the first knife assembly 2, so that the first knife assembly 2 will move up and down reciprocally along the groove 11 while rotating around the rotation center line of the driving rod 1 under the mutual acting force between the first blade 221 and the second blade 222 and the food ingredients, achieving the cutting effect and making the food ingredients cut more evenly and thoroughly.
[0051] See Figure 7 and Figure 8 and in combination with Figure 11 、 Figure 12 、 Figure 13 and Figure 16 , the back surface 224 of the blade inclined upward relative to the horizontal plane and the front surface 223 of the blade inclined downward relative to the horizontal plane are both flat surfaces. See Figure 5 、 Figure 8 、 Figure 9 、 Figure 10 、 Figure 12 and Figure 16, the plane is curved along the length directions of the first blade 221 and the second blade 222. The plane forms an acute angle with the horizontal plane, and the horizontal plane is parallel to the radial plane of the driving rod 1. The angle of the acute angle is not limited. For the convenience of distinction, the included angle between the back surface 224 of the blade and the horizontal plane is marked as A in Figure 14 , and the included angle between the front surface 223 of the blade and the horizontal plane is also marked as B in Figure 15 .
[0052] With the above settings, since the plane and the horizontal plane both form acute angles, in this way, during the movement of the first knife assembly 2, the resistance received is smaller, which is more conducive to realizing the up-and-down reciprocating movement along the axial direction of the driving rod 1 while rotating. Therefore, the food ingredients are cut more thoroughly and more uniformly in thickness.
[0053] Refer to Figure 7 , Figure 11 , Figure 16 and in combination with Figure 14 and Figure 15 , both the first blade 221 and the second blade 222 include a blade back 225 and a blade edge 226. Along the direction from the blade back 225 to the blade edge 226 of the first blade 221, the back surface 224 of the first blade 221 is inclined upward relative to the horizontal plane. Along the direction from the blade back 225 to the blade edge 226 of the second blade 222, the front surface 223 of the second blade 222 is inclined downward relative to the horizontal plane.
[0054] With the above settings, being inclined along the direction from the blade back 225 to the blade edge 226, using the blade edge 226 to cut the food ingredients, and combining the functions of the inclination of the aforementioned first blade 221 and the second blade 222, the food ingredients are cut more uniformly and more thoroughly in thickness.
[0055] Refer to Figure 14 , the acute angle is not less than 3 degrees and not more than 45 degrees. That is, the included angle between the back surface 224 of the blade and the horizontal plane is marked as the acute angle A in Figure 14 , 3 degrees ≤ A ≤ 45 degrees. For example, 3 degrees, 5 degrees, 8 degrees, 10 degrees, 12 degrees, 15 degrees, 18 degrees, 20 degrees, 23 degrees, 25 degrees, 28 degrees, 30 degrees, 33 degrees, 35 degrees, 38 degrees, 40 degrees, 42 degrees or 45 degrees. In a more preferred embodiment, 3 degrees ≤ A ≤ 30 degrees. The included angle between the back surface 224 of the blade and the horizontal plane is marked as the acute angle B in Figure 15 , 3 degrees ≤ B ≤ 45 degrees. For example, 3 degrees, 5 degrees, 8 degrees, 10 degrees, 12 degrees, 15 degrees, 18 degrees, 20 degrees, 23 degrees, 25 degrees, 28 degrees, 30 degrees, 33 degrees, 35 degrees, 38 degrees, 40 degrees, 42 degrees or 45 degrees. In a more preferred embodiment, 3 degrees ≤ A ≤ 30 degrees.
[0056] With the above settings, since the acute angle is not less than 3 degrees and not greater than 45 degrees, during the movement of the first knife assembly 2, the resistance received is relatively small, which is more conducive to realizing the rotation while reciprocating up and down along the axial direction of the driving rod 1. Thus, the food ingredients are cut more thoroughly and the thickness is more uniform.
[0057] Refer to 14 and in combination with Figure 7 and Figure 16 , the front blade surface 223 and the back blade surface 224 of the first blade 221 are both inclined upward relative to the horizontal plane. Refer to Figure 15 and in combination with Figure 7 and Figure 16 , the front blade surface 223 and the back blade surface 224 of the second blade 222 are both inclined downward relative to the horizontal plane.
[0058] With the above settings, since the front blade surface 223 and the back blade surface 224 of the first blade 221 are both inclined upward relative to the horizontal plane; the front blade surface 223 and the back blade surface 224 of the second blade 222 are both inclined downward relative to the horizontal plane, in this way, for either the first blade 221 or the second blade 222, the front blade surface 223 and the back blade surface 224 are both inclined and can interact better with the food ingredients. Thus, while the first knife assembly 2 can rotate better around the rotation center line of the driving rod 1, it can reciprocate up and down along the groove 11. Furthermore, the thickness of the food ingredients cut is more uniform and more thorough.
[0059] Refer to Figure 7 , both the first blade 221 and the second blade 222 are horizontally arranged as a whole.
[0060] With the above settings, both the first blade 221 and the second blade 222 are horizontally arranged as a whole, and in combination with the back blade surface 224 of the first blade 221 being inclined upward relative to the horizontal plane, and the front blade surface 223 of the second blade 222 being inclined downward relative to the horizontal plane, in this way, the thickness of the food ingredients cut is more uniform and more thorough.
[0061] In some embodiments, refer to Figure 7 , Figure 8 , Figure 9 , Figure 16 and Figure 17 , the stirring knife assembly includes a second knife assembly 3. In some embodiments, the stirring knife assembly may also not include the second knife assembly 3. The second knife assembly 3 is fixedly connected to the driving rod 1, and there is no limitation on how to fix it. For example, the second knife assembly 3 and the driving rod 1 are integrally formed, or are fixedly assembled into one body through fasteners. Or, the second knife assembly 3 is detachably assembled to the driving rod 1.
[0062] With the above settings, after the second knife assembly 3 is set, the first knife assembly 2 and the second knife assembly 3 cooperate with each other, and the thickness of the cut food ingredients is more uniform and thorough.
[0063] There is no limit to how the detachable assembly is achieved, as long as this assembly enables the second knife assembly 3 to move with the driving rod 1. This movement can be achieved by using Figure 7 , Figure 8 and Figure 9 In the same structure as that, the second knife assembly 3 only rotates around the rotation center line of the driving rod 1, or it can rotate and move up and down reciprocally as described later.
[0064] The following describes an implementation of the detachable assembly:
[0065] Referring to Figure 8 , the second knife assembly 3 includes an assembly sleeve 31. The inner wall of the assembly sleeve 31 is provided with a second convex part (not shown in the figure). The driving rod 1 is provided with a sliding groove 12. In this embodiment, the sliding groove 12 extends along the axial direction of the driving rod 1. The second knife assembly 3 is detachably assembled with the driving rod 1 through the cooperation of the second convex part and the sliding groove 12.
[0066] With the above settings, the cooperation of the second convex part and the sliding groove 12 enables the second knife assembly 3 to be detachably assembled to the driving rod 1, and the assembly of the second knife assembly 3 and the driving rod 1 is simple.
[0067] In the above embodiment, the second knife assembly 3 uses the second convex part to cooperate with the sliding groove 12. Thus, the second knife assembly 3 can only rotate synchronously with the driving rod 1 and cannot move up and down reciprocally. Inspired by the fact that the first knife assembly 2 rotates with the driving rod 1 and can move up and down reciprocally along the groove 11 of the driving rod 1, in some embodiments, the second knife assembly 3 is arranged to rotate around the rotation center line of the driving rod 1 and can move up and down reciprocally along the groove 11 of the driving rod 1. The following describes the implementation of this rotation and up and down reciprocating movement:
[0068] Referring to Figure 17 , the second knife assembly 3 includes an assembly sleeve 31. The assembly sleeve 31 is provided with a slider. The driving rod 1 is provided with a guiding groove 17. The guiding groove 17 undulates up and down along the circumference of the driving rod 1. Thus, during the rotation of the driving rod 1, the slider moves in the guiding groove 17. As a result, the second knife assembly 3 rotates around the rotation center line of the driving rod 1 and at the same time moves along the guiding groove 17 to achieve up and down reciprocating movement. In this embodiment, the assembly structure between the first knife assembly 2 and the driving rod 1 can be the same as that Figure 7 and Figure 8 shown between the first knife assembly 2 and the driving rod 1, and the movement process is also the same.
[0069] In another embodiment, the structure of the second knife assembly 3 that realizes rotation while reciprocating up and down is the same as that of the first knife assembly 2.
[0070] With the above settings, since both the first knife assembly 2 and the second knife assembly 3 can rotate around the rotation center line of the drive rod 1 and reciprocate up and down along the axial direction of the drive rod 1 (in this way, the first knife assembly 2 and the second knife assembly 3 can cooperate to cut food materials within a larger height range. Thus, through the cooperation of the first knife assembly 2 and the second knife assembly 3, the food materials within a larger range are chopped more thoroughly and evenly in thickness. Compared with Figure 8 the embodiment in which the second knife assembly 3 shown rotates with the drive rod 1 but does not reciprocate up and down along the drive rod 1, this embodiment requires a larger food container.
[0071] Refer to Figure 7 and Figure 8 , the second knife assembly 3 is located below the first knife assembly 2. The second knife assembly 3 includes a third blade 321 and a fourth blade 322. Along the axial direction of the drive rod 1, the first blade 221, the second blade 222, the third blade 321, and the fourth blade 322 are spaced apart from each other. Along the circumferential direction of the drive rod 1, the first blade 221, the second blade 222, the third blade 321, and the fourth blade 322 are staggered from each other.
[0072] With the above settings, since the first blade 221, the second blade 222, the third blade 321, and the fourth blade 322 are spaced apart from each other in the axial direction of the drive rod 1 and staggered from each other in the circumferential direction, in this way, the relatively lower third blade 321 and fourth blade 322 push the food materials towards the relatively higher first blade 221 and second blade 222. Furthermore, combined with the rotation of the first blade 221 and the second blade 222 and the ability to reciprocate up and down along the groove 11 of the drive rod 1 (of course, in some embodiments, it is also combined with the reciprocation of the third blade 321 and the fourth blade 322 up and down along the axial direction of the drive rod 1), the food materials can be cut more evenly and thoroughly in thickness.
[0073] In some related technologies, the stirring knife assembly includes an upper knife assembly and a lower knife assembly. The upper knife assembly is fixed to the drive rod and can only rotate synchronously with the drive rod. The lower knife assembly can rotate with the drive rod and reciprocate up and down along the axial direction of the drive rod at the same time. Compared with the stirring knife assembly in which the lower knife assembly rotates and reciprocates up and down, the first knife assembly 2 at the upper end of the drive rod 1 in the embodiment of the present application can have a larger stroke during reciprocation. Combined with the fact that the second knife assembly 3 only rotates synchronously with the drive rod 1 and does not reciprocate up and down, the food materials are chopped in this way, so the food materials are chopped better and more evenly in thickness.
[0074] Refer to Figure 1 , Figure 2 , Figure 3and Figure 4 and in combination with Figure 5 and Figure 6 Second, the present application discloses a cooking machine. The cooking machine includes a food container 20, a main body 30, and any one of the above-described stirring blade assemblies 10. In one embodiment, the food container 20 includes a container body 201 and a container lid 202 covering the container body 201. The main body 30 is disposed on the container lid 202. The stirring blade assembly 10 is installed in the food container 20 and is driven by the main body 30 to rotate in the food container 20.
[0075] With the above arrangement, the cooking machine has at least the beneficial effects of the stirring blade assembly 10, which will not be elaborated here.
[0076] It should be noted that the technical solutions or technical features described in the above embodiments can be combined or supplemented with each other without conflict. The scope of protection of the present application is not limited to the precise structures described in the above embodiments and shown in the drawings; any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included within the scope of protection of the present application.
Claims
1. A stirring blade assembly, characterized in that: The stirring blade assembly comprises a driving rod (1) and a first blade assembly (2); wherein: The first blade assembly (2) comprises a mounting sleeve (21), a first blade (221) and a second blade (222); the mounting sleeve (21) is assembled on the driving rod (1), one of the mounting sleeve (21) and the driving rod (1) is provided with a groove (11) extending along the axial direction of the driving rod (1), and the other is provided with a protrusion (211) which is clearance-matched with the groove (11); The first blade (221) and the second blade (222) both comprise a blade front side (223) and a blade back side (224); wherein the blade back side (224) of the first blade (221) is inclined upward relative to a horizontal plane, and the blade front side (223) of the second blade (222) is inclined downward relative to the horizontal plane; or, the first blade (221) is twisted in a first direction, and the second blade (222) is twisted in a second direction, and the first direction and the second direction are opposite; When the driving rod (1) rotates, the first knife assembly (2) rotates around the rotation center line of the driving rod (1), and at the same time, under the interaction force between the first blade (221) and the second blade (222) and the food, the first knife assembly (2) also reciprocates up and down along the groove (11).
2. The stirring blade assembly according to claim 1, characterized in that: The back side (224) of the blade tilted upward relative to the horizontal plane and the front side (223) of the blade tilted downward relative to the horizontal plane are both planes; the planes form an acute angle with the horizontal plane.
3. The stirring blade assembly according to claim 1 or 2, characterized in that: The first blade (221) and the second blade (222) both include a blade back (225) and a blade edge (226); Along the direction from the back of the blade (225) to the edge (226) of the first blade (221), the back surface (224) of the first blade (221) is inclined upward relative to the horizontal plane; Along the direction from the back (225) to the edge (226) of the second blade (222), the front face (223) of the second blade (222) is inclined downward relative to the horizontal plane.
4. The stirring blade assembly according to claim 2, characterized in that: The acute angle is not less than 3 degrees and not more than 45 degrees.
5. The stirring blade assembly according to claim 1, characterized in that: The front face (223) and the back face (224) of the first blade (221) are both inclined upward relative to a horizontal plane; the front face (223) and the back face (224) of the second blade (222) are both inclined downward relative to a horizontal plane.
6. The stirring blade assembly according to claim 1, characterized in that: The first blade (221) and the second blade (222) are both arranged horizontally as a whole.
7. The stirring blade assembly according to claim 1, characterized in that: The stirring blade assembly comprises a second blade assembly (3), wherein the second blade assembly (3) is fixedly connected to the driving rod (1); Alternatively, the second knife assembly (3) can be detachably assembled to the driving rod (1).
8. The stirring blade assembly according to claim 7, characterized in that: The second knife assembly (3) rotates around the rotation center line of the driving rod (1) and reciprocates up and down along the driving rod (1); Alternatively, when the second knife assembly (3) is detachably assembled to the driving rod (1), the driving rod (1) is provided with a slide groove (12), and the second knife assembly is provided with a second protrusion, and the second knife assembly (3) is detachably assembled with the driving rod (1) by cooperating with the slide groove (12) through the second protrusion.
9. The stirring blade assembly according to claim 7, characterized in that: The second knife assembly (3) is located below the first knife assembly (2), and the second knife assembly (3) comprises a third blade (321) and a fourth blade (322); Along the axial direction of the driving rod (1), the first blade (221), the second blade (222), the third blade (321) and the fourth blade (322) are spaced apart from each other; Along the circumference of the driving rod (1), the first blade (221), the second blade (222), the third blade (321) and the fourth blade (322) are staggered with each other.
10. A food processor, characterized in that: The food processor comprises a food container (20), a main unit (30) and a stirring blade assembly (10) according to any one of claims 1 to 9; the stirring blade assembly (10) is installed in the food container (20) and is driven by the main unit (30) to rotate in the food container (20).