A stirring assembly and a blender

Abstract

The application provides a stirring assembly and a blender. A first end of a stirring shaft of the stirring assembly is connected with a power component and rotates under the drive of the power component. A second end of the stirring shaft is a first introduction part, and the first introduction part is provided with a first coupling part. A stirring blade is coaxially arranged with the stirring shaft and detachably connected with the stirring shaft. The stirring blade comprises a blade shaft and a blade arranged on the blade shaft. The blade shaft is provided with a second coupling part which is rotationally and coupledly connected with the first coupling part. When the stirring blade is mounted on the stirring shaft, the first coupling part and the second coupling part are converted from single-point coupling to multi-point coupling. During the assembling process of the stirring shaft and the stirring blade, the first coupling part of the stirring shaft and the second coupling part of the stirring blade can be automatically coupled, and the coupling process is converted from single-point coupling to multi-point coupling, thereby avoiding the problem that the coupling structure is dislocated during the coupling process and the connection fails.

Description

Technical Field

[0001] This application relates to the field of food processing technology, and in particular to a mixing component and a mixer. Background Technology

[0002] Based on patent application CN222109168U, this application aims to solve the problem of coupling blade drop. In the initial coupling of the stirring shaft and stirring blade in that patent application, there is an unavoidable eccentricity within the cumulative tolerance range. In existing solutions, multiple positioning ribs cannot be avoided in planar geometry, such as... Figure 1 As shown, after the eccentricity is achieved, the two positioning ribs on the stirring shaft get stuck in one of the slots of the stirring blade, preventing the stirring shaft and the stirring blade from coupling properly and causing the blade to fall off. Utility Model Content

[0003] The purpose of this application is to provide a mixing assembly and a mixer.

[0004] The embodiments of this application adopt the following technical solution: a stirring assembly, comprising:

[0005] The stirring shaft has a first end connected to a power component and rotates under the drive of the power component, and a second end that is a first inlet portion, which is provided with a first coupling portion.

[0006] A stirring blade is coaxially arranged and detachably connected to the stirring shaft. The stirring blade includes a blade shaft and a blade disposed on the blade shaft. The blade shaft is provided with a second coupling part that is rotatably coupled to the first coupling part. When the stirring blade is installed on the stirring shaft, the first coupling part and the second coupling part are converted from single-point coupling to multi-point coupling.

[0007] During the assembly of the stirring shaft and the stirring blade, the first coupling part of the stirring shaft and the second coupling part of the stirring blade can be automatically coupled, and the coupling process is changed from single-point coupling to multi-point coupling, avoiding the problem of connection failure caused by misalignment of the coupling structure during the coupling process.

[0008] In some embodiments, the first coupling portion includes at least two first ribs, each first rib being arranged circumferentially along the stirring shaft, and each first rib being spirally arranged axially along the stirring shaft; the second coupling portion includes at least two second ribs, the second ribs matching the first ribs;

[0009] The first rib includes a first guide rib, the end of which extends beyond the other first ribs towards the stirring blade; and / or

[0010] The second rib includes a second guide rib, one end of which extends beyond the other second ribs towards the stirring shaft;

[0011] During the coupling process between the first coupling part and the second coupling part, the first guide rib and the second guide rib, or one of the second ribs, are coupled at a single point. The stirring shaft rotates towards the stirring blade under the rotational guidance of the first guide rib and the second guide rib, or the second rib. Each of the first ribs and each of the second ribs are coupled one-to-one. By setting the guide ribs, multiple points of contact are achieved between the first ribs of the first coupling part and the second ribs of the second coupling part after the single point contact of the guide ribs. This prevents two or more first ribs from being stuck in the space between two adjacent second ribs at the same time, thus preventing coupling failure.

[0012] In some embodiments, the cutter shaft has a second inlet portion;

[0013] The second inlet portion has a second inlet hole, and the second protruding rib is disposed on the inner peripheral surface of the second inlet hole; the first protruding rib is disposed on the outer peripheral surface of the first inlet portion; or

[0014] The first inlet portion has a first inlet hole, the first rib is disposed on the inner peripheral surface of the first inlet hole, and the second rib is disposed on the outer peripheral surface of the second inlet portion.

[0015] In some embodiments, the first inlet hole has a first inlet opening, and the second inlet hole has a second inlet opening; the first inlet opening and the second inlet opening are flared openings with an angle.

[0016] The inlet end of the first inlet section without a first inlet hole and the inlet end without a second inlet hole have an inwardly tapered chamfer. The chamfer and the horn-shaped snap-fit ​​design facilitate the assembly of the stirring shaft and the stirring blade during initial connection.

[0017] In some embodiments, the portion of the first guide rib extending beyond the first rib extends to the chamfer of the first inlet portion or the flared opening of the first inlet port.

[0018] The portion of the second guide rib extending beyond the second guide rib extends to the flared opening of the second inlet of the second inlet or the chamfer of the second inlet. This allows the guide rib to act as a guide when the stirring shaft and the stirring blade first come into contact, further improving the accuracy of coupling.

[0019] In some embodiments, a first magnet is provided at the first inlet of the stirring shaft, and the first magnet is magnetically connected to the blade shaft of the stirring blade to improve the firmness of the connection between the two.

[0020] This application also provides a mixer, including a body and a mixing cup, a lifting device and a mixing assembly as described in any of the above embodiments, all disposed on the body; the mixing cup includes a cup body and a cup lid disposed at the mouth of the cup body, the mixing blade of the mixing assembly is disposed inside the mixing cup, the center of the cup lid is provided with a through hole for the mixing shaft of the mixing assembly to pass through, a second magnet is provided at the through hole, and when the mixing shaft and the mixing blade are not connected, the second magnet attracts the mixing blade to the cup lid;

[0021] The lifting device drives the stirring shaft or the stirring cup to move up and down.

[0022] This mixer can prevent coupling failure between the mixing blades and the mixing shaft, and improve the coupling effect between the two.

[0023] In some embodiments, an annular elastic element is also provided at the through hole, and the second magnet is located within the space formed by the elastic element and the cup lid to prevent the magnet from rusting.

[0024] In some embodiments, when the stirring shaft passes through the through hole, the elastic element is press-fitted with the stirring shaft to prevent food from overflowing from the through hole.

[0025] In some embodiments, the lifting device is connected to the stirring shaft and drives the stirring shaft to move up and down, or

[0026] The stirring cup is detachably placed on the lifting platform of the lifting device, and the lifting device drives the lifting platform, the stirring cup, and the stirring blade inside the stirring cup to move up and down.

[0027] The stirring shaft and stirring blades are automatically connected and separated by a lifting device. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments or related technologies of this application, the drawings used in the description of the embodiments or related technologies will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 This is a schematic diagram of the coupling relationship between the existing stirring shaft and the stirring blade.

[0030] Figure 2 This is a schematic diagram of the external structure of the mixer in this application;

[0031] Figure 3 This is a cross-sectional schematic diagram of the mixer of this application when the mixing shaft and the mixing blade are not coupled;

[0032] Figure 4 This is an exploded view of the mixer structure of this application;

[0033] Figure 5 This is a schematic cross-sectional view of the mixer of this application when the mixing shaft and the mixing blade are coupled.

[0034] Figure 6 for Figure 5 A magnified view of part A in the image;

[0035] Figure 7 This is a cross-sectional schematic diagram of the mixer of this application when the mixing shaft and the mixing blade are coupled and move into the mixing cup (the machine body is not shown);

[0036] Figure 8 This is a schematic diagram of the structure of the stirring blade in this application;

[0037] Figure 9 for Figure 8 Structural cross-sectional view of AA;

[0038] Figure 10 for Figure 8 Structural sectional view of BB;

[0039] Figure 11 for Figure 8 Corresponding 3D structural diagram;

[0040] Figure 12 This is a schematic diagram of another structure of the stirring blade in this application;

[0041] Figure 13 This is a schematic diagram of the stirring shaft of this application;

[0042] Figure 14 This is a schematic diagram of another structure of the stirring shaft in this application;

[0043] Figure 15 for Figure 14 A schematic diagram of the structure at another angle of the stirring shaft;

[0044] Figure 16 for Figure 14 A schematic diagram of the corresponding first guide section.

[0045] Attached reference numerals: 1. Body;

[0046] 2. Stirring shaft; 201. First inlet section; 202. First rib; 203. First guide rib; 204. First magnet; 205. Beveled corner;

[0047] 3. Stirring blade; 301. Blade shaft; 302. Blade; 303. Second rib; 304. Second guide rib; 305. Second inlet hole; 306. Trumpet opening;

[0048] 4. Drive components;

[0049] 5. Stirring cup; 501. Cup body; 502. Cup lid; 503. Second magnet; 504. Elastic component;

[0050] 6. Lifting device; 601. Lifting motor; 602. Screw; 603. Lifting platform; 604. Guide column. Detailed Implementation

[0051] Various embodiments and features of this application are described herein with reference to the accompanying drawings.

[0052] It should be understood that various modifications can be made to the embodiments described herein. Therefore, the above description should not be considered as limiting, but merely as an example of embodiments. Other modifications within the scope and spirit of this application will be apparent to those skilled in the art.

[0053] The accompanying drawings, which are included in and form part of this specification, illustrate embodiments of the present application and, together with the general description of the present application given above and the detailed description of the embodiments given below, serve to explain the principles of the present application.

[0054] These and other features of this application will become apparent from the following description of preferred forms of embodiments given as non-limiting examples, with reference to the accompanying drawings.

[0055] It should also be understood that although this application has been described with reference to some specific examples, those skilled in the art can certainly implement many other equivalent forms of this application.

[0056] The above and other aspects, features and advantages of this application will become more apparent when taken in conjunction with the accompanying drawings and in view of the following detailed description.

[0057] Specific embodiments of this application are described thereafter with reference to the accompanying drawings; however, it should be understood that the claimed embodiments are merely examples of this application, which can be implemented in various ways. Well-known and / or repeated functions and structures are not described in detail to avoid unnecessary or redundant details that could obscure the application. Therefore, the specific structural and functional details claimed herein are not intended to be limiting, but merely serve as the basis and representative basis for the claims to teach those skilled in the art to use this application in a variety of substantially any suitable detailed structures.

[0058] This specification may use the phrases “in one embodiment,” “in another embodiment,” “in yet another embodiment,” or “in other embodiments,” all of which may refer to one or more of the same or different embodiments according to this application.

[0059] This application provides a stirring assembly, which includes a stirring shaft 2 and a stirring blade 3.

[0060] like Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, the first end of the stirring shaft 2 is connected to a power component and rotates under the drive of the power component. The power component can be a motor. The motor drives the stirring shaft 2 to rotate after being reduced in speed by a transmission structure. The stirring shaft 2 can be coupled to the stirring blade 3, and after coupling, they rotate together through a magnetic link.

[0061] The second end of the stirring shaft 2 is a first inlet portion 201. The first inlet portion 201 can be a separate structural component on the stirring shaft 2, or it can be directly machined onto the stirring shaft 2. For example, as... Figure 16 As shown, the first inlet portion 201 is detachably mounted on the stirring shaft 2 via a threaded connection. The first inlet portion 201 is provided with a first coupling portion.

[0062] The stirring blade 3 is coaxially arranged with the stirring shaft 2, and the stirring blade 3 can be located below the stirring shaft 2. The stirring shaft 2 and the stirring blade 3 can be detachably connected. That is, the stirring shaft 2 and the stirring blade 3 have a connected state and a separated state. The stirring blade 3 includes a blade shaft 301 and blades 302. The blades 302 can be disposed on the blade shaft 301, and the number of blades 302 is not specifically shown. The blade shaft 301 is provided with a second coupling part that is rotatably coupled to the first coupling part. When the stirring shaft 2 and the stirring blade 3 are connected, the first coupling part and the second coupling part are coupled. When the stirring shaft 2 and the stirring blade 3 are separated, the first coupling part and the second coupling part are uncoupled.

[0063] The stirring blade 3 can move up and down relative to the stirring shaft 2, or the stirring shaft 2 can move up and down relative to the stirring blade 3. During the assembly process of the stirring blade 3 and the stirring shaft 2, the stirring shaft 2 and the stirring blade 3 approach each other. When the first coupling part and the second coupling part begin to couple, they are single-point coupled. As the stirring shaft 2 and the stirring blade 3 continue to approach each other, the first coupling part and the second coupling part are converted to multi-point coupling.

[0064] Here, single-point coupling means that only one coupling structure between the stirring blade 3 and the stirring shaft 2 is in a coupled state, while other coupling structures are still in a non-coupled state. Multi-point coupling means that all coupling structures of the first coupling part and the second coupling part are in a coupled state. Moreover, the coupling structure of single-point coupling does not refer to a single point contact coupling, and multi-point coupling does not refer to multiple point contacts of the coupling structure. Single-point coupling is only used to distinguish it from multi-point coupling in terms of coupling form. In this way, the relative position of the stirring blade 3 and the stirring shaft 2 will be determined by the action of single-point coupling, and this position can ensure the positional accuracy of the stirring shaft 2 and the stirring blade 3. This avoids the situation where two or more coupling structures of the first coupling part get stuck in the space between two adjacent coupling structures in the second coupling part during the simultaneous coupling of the various coupling structures of the first coupling part and the second coupling part, causing coupling failure.

[0065] In this embodiment, during the assembly of the stirring shaft 2 and the stirring blade 3, the first coupling part of the stirring shaft 2 and the second coupling part of the stirring blade 3 can be automatically coupled, and the coupling process is changed from single-point coupling to multi-point coupling, thus avoiding the problems of connection failure and blade drop caused by misalignment of the coupling structure during the coupling process.

[0066] In some embodiments, such as Figures 13 to 16 As shown, the first coupling portion includes at least two first ribs 202, each of which is arranged circumferentially along the stirring shaft 2. Each first rib 202 can be evenly arranged around the stirring shaft 2. Each first rib 202 is spirally arranged along the axial direction of the stirring shaft 2, i.e., spirally arranged along the circumference of the stirring shaft 2. It should be noted that the first rib 202 can rotate around the stirring shaft 2 by a small acute angle, such as 10 to 30 degrees, rather than rotating a full circle around the stirring shaft 2.

[0067] like Figures 8 to 12 As shown, the second coupling part includes at least two second ribs 303, which match the first rib 202. That is, the design form (e.g., rotation method, rotation direction, etc.) and quantity of the second ribs 303 can correspond one-to-one with the first ribs 202. Specifically, the rotation direction coupling surface is set at an acute angle (α in the figure) to the horizontal plane to prevent them from separating during rotation.

[0068] The first rib 202 includes a first guide rib 203, the end of the first guide rib 203 facing the stirring blade 3 extending beyond the other first ribs 202; and / or

[0069] The second rib 303 includes a second guide rib 304, one end of which extends beyond the other second ribs 303 towards the stirring shaft 2.

[0070] During the coupling process between the first coupling part and the second coupling part, the first guide rib 203 and the second guide rib 304 or one of the second ribs 303 are coupled at a single point. The stirring shaft 2 rotates toward the stirring blade 3 under the rotational guidance of the first guide rib 203 and the second guide rib 304 or the second rib 303. Each of the first ribs 202 and each of the second ribs 303 are coupled one-to-one.

[0071] For example, one possible implementation embodiment combines Figures 14 to 16 The first coupling part has four first ribs 202, one of which is a first guide rib 203. Figures 8 to 11 The second coupling part also has four second ribs 303, one of which is a second guide rib 304. When the stirring shaft 2 and the stirring blade 3 are assembled, the stirring shaft 2 rotates continuously, and the stirring shaft 2 and the stirring blade 3 approach each other axially. Because the first guide rib 203 is longer than the other three first ribs 202, and the portion of the first guide rib 203 extending beyond the other first ribs 202 extends towards the stirring blade 3, and the second guide rib 304 is also longer than the other three second ribs 303, and the portion of the second guide rib 304 extending beyond the other second ribs 303 extends towards the stirring shaft 2... Extending in the direction, the first guide rib 203 will first contact the second guide rib 304, that is, the side of the first guide rib 203 will contact the side of the second guide rib 304. Under the guidance of the first guide rib 203 and the second guide rib 304, the stirring shaft 2 will rotate and approach the stirring blade 3. As the two approach each other, the remaining three first ribs 202 and the remaining three second ribs 303 will also enter the coupling state one by one. The first coupling part and the second coupling part complete the transformation from single-point coupling to multi-point coupling.

[0072] Alternatively, as another embodiment, the first coupling portion has four first ribs 202, one of which is a first guide rib 203, and the second coupling portion also has four second ribs 303 (in combination with...). Figure 12The four second ribs 303 are designed in the same way, that is, the second ribs 303 do not have second guide ribs 304. When the stirring shaft 2 and the stirring blade 3 are assembled, the stirring shaft 2 rotates continuously, and the stirring shaft 2 and the stirring blade 3 approach each other in the axial direction of the stirring shaft 2. Because the first guide rib 203 is longer than the other three first ribs 202, and the part of the first guide rib 203 that exceeds the other first ribs 202 extends towards the stirring blade 3, the first guide rib 203 will first contact one of the four second ribs 303, that is, the side of the first guide rib 203 contacts the side of the second rib 303 that is in contact. Under the guidance of the first guide rib 203 and the second rib 303, the stirring shaft 2 will rotate and approach the stirring blade 3. As the two approach each other, the remaining three first ribs 202 and the remaining three second ribs 303 will also enter the coupling state one by one. The first coupling part and the second coupling part complete the transformation from single-point coupling to multi-point coupling.

[0073] Or, as another embodiment, combined with Figure 13 The first coupling part has four first ribs 202, and the four first ribs 202 are designed in the same way, that is, the first ribs 202 do not have a first guide rib 203; while the second coupling part also has four second ribs 303, one of which is a second guide rib 304. When the stirring shaft 2 and the stirring blade 3 are assembled, the stirring shaft 2 rotates continuously. At the same time, the stirring shaft 2 and the stirring blade 3 approach each other in the axial direction of the stirring shaft 2. Because the second guide rib 304 is longer than the other three second ribs 303, and the part of the second guide rib 304 that extends beyond the other two second ribs 303 extends towards the stirring shaft 2, the second guide rib 304 will first contact one of the four first ribs 202. That is, the side of the second guide rib 304 contacts the side of the first rib 202 that is in contact. Under the guiding action of the second guide rib 304 and the first rib 202, the stirring shaft 2 will rotate and approach the stirring blade 3. As the two approach each other, the remaining three first ribs 202 and the remaining three second ribs 303 will also enter the coupling state one by one. The first coupling part and the second coupling part complete the transformation from single-point coupling to multi-point coupling.

[0074] After a single-point contact, the stirring blade 3 is pushed and rotated by the stirring shaft 2 at a certain angle, thereby avoiding end coupling contact between the stirring blade 3 and other protruding ribs on the stirring shaft 2. In this embodiment, the coupling method is introduced from a single planar guide rib, which can automatically rotate to avoid the geometric blind spots of multiple protruding ribs during the coupling process, and then correctly complete the coupling of multiple protruding ribs.

[0075] Unlike some installation methods that manually couple the stirring shaft 2 to the stirring blade 3, this embodiment uses a driving component 4 to drive the stirring shaft 2 to rotate during assembly. Combined with the aforementioned design of the first guide rib 202 and / or the second guide rib 303 on the stirring shaft 2 and / or the stirring blade 3, the first guide rib 203 contacts the second guide rib 304 or the second guide rib 303 as soon as the stirring blade 3 and stirring shaft 2 begin to contact. Under the driving action of the driving component, the stirring shaft 2 continues to rotate. With the first guide rib 203 present at the first coupling part, the first guide rib 203 maintains contact with the second guide rib 304 or the second guide rib 303, preventing the first guide rib 203 from shifting and causing coupling failure between the first coupling part of the stirring shaft 2 and the second coupling part of the stirring blade 3. The working principle is the same when the stirring blade 3 has the second guide rib 304, and will not be repeated here.

[0076] By setting the guide ribs, multiple first ribs 202 of the first coupling part and the second ribs 303 of the second coupling part can make multi-point contact after the guide ribs make single-point contact, which prevents two or more first ribs 202 from being stuck in the space between two adjacent second ribs 303 at the same time, thus preventing coupling failure.

[0077] In some embodiments, the cutter shaft 301 has a second inlet portion.

[0078] Combination Figure 8 and Figure 10 The second inlet portion has a second inlet hole 305, which is arranged axially along the cutter shaft 301 and coaxially with the stirring shaft 2. The end of the second inlet hole 305 facing the stirring shaft 2 has an opening, allowing the stirring shaft 2 to enter the second inlet hole 305 through this opening. The second rib 303 can be disposed on the inner circumferential surface of the second inlet hole 305; the first rib 202 is disposed on the outer circumferential surface of the first inlet portion 201. The first rib 202 entering the second inlet hole 305 can form a coupling relationship with the second rib 303 on the inner circumferential surface of the second inlet hole 305.

[0079] Alternatively, the first inlet portion 201 has a first inlet hole, which is arranged along the axial direction of the stirring shaft 2 and is coaxial with the blade shaft 301 of the stirring shaft 2. The end of the first inlet hole facing the stirring blade 3 has an opening, allowing at least a portion of the blade shaft 301 of the stirring blade 3 to enter the first inlet hole through this opening. The first rib 202 is disposed on the inner circumferential surface of the first inlet hole, and the second rib 303 is disposed on the outer circumferential surface of the second inlet portion. The second rib 303 entering the first inlet hole can form a coupling relationship with the first rib 202 on the inner circumferential surface of the first inlet hole.

[0080] The stirring shaft 2 can be inserted into the interior of the stirring blade 3 (second inlet hole 305), and the blade shaft 301 of the stirring blade 3 can be sleeved on the outside of the first inlet portion 201 of the stirring shaft 2; or at least a portion of the blade shaft 301 of the stirring blade 3 can be inserted into the interior of the stirring shaft 2 (first inlet hole).

[0081] In some embodiments, combined with Figure 3 and Figure 6 A first magnet 204 is provided at the first inlet 201 of the stirring shaft 2. The first magnet 204 is magnetically connected to the blade shaft 301 of the stirring blade 3, thereby improving the firmness of the connection between the two.

[0082] To facilitate the installation of the first magnet 204 and to avoid designing the stirring shaft 2 to be too large and thus requiring increased driving force from the motor, it is preferable to provide a second inlet hole 305 on the blade shaft 301 of the stirring blade 3.

[0083] A first magnet 204 can be embedded within the first inlet portion 201, and one or more first magnets 204 can be provided. The blade shaft 301 of the stirring blade 3 can be made of a material that can be attracted by the first magnet 204. In addition to being coupled by the spirally arranged first rib 202 and second rib 303, the stirring shaft 2 and the stirring blade 3 are further connected by the attraction of the first magnet 204, which further improves the firmness between the two.

[0084] In some embodiments, the first inlet hole has a first inlet opening, and the second inlet hole 305 has a second inlet opening; the first inlet opening and the second inlet opening are flared openings 306 with an inclination. That is, both the first inlet opening and the second inlet opening can be provided with outwardly expanding and inclined annular slopes to form flared openings 306.

[0085] The inlet end of the first inlet portion 201 without the first inlet hole and the inlet end without the second inlet hole 305 have an inwardly tapered chamfer 205. That is, the end of the first inlet portion 201 without the first inlet hole and the end of the blade shaft 301 without the second inlet hole 305 facing the stirring shaft 2 can be provided with an annular inclined surface that tapers inward to form the aforementioned chamfer 205. The chamfer 205 and the design of the horn-shaped buckle facilitate the assembly of the stirring shaft 2 and the stirring blade 3 during initial connection.

[0086] In some embodiments, combined with Figure 14The portion of the first guide rib 203 that extends beyond the first rib 202 extends to the chamfer 205 of the first inlet portion 201 or the flared opening 306 of the first inlet port. That is, the portion of the first guide rib 203 that extends beyond the other first ribs 202 extends to the annular slope of the first inlet portion 201 or the annular slope of the first inlet port.

[0087] The portion of the second guide rib 304 extending beyond the second rib 303 extends to the flared opening 306 of the second inlet of the second guide portion or the chamfer 205 of the second inlet portion. That is, the portion of the second guide rib 304 extending beyond the other second ribs 303 extends to the annular slope of the second inlet of the second guide portion or the annular slope of the second inlet portion.

[0088] If a first guide rib 203 is provided on the stirring shaft 2 and a second guide rib 304 is provided on the blade shaft 301 of the stirring blade 3, then when the first guide rib 203 extends to the chamfer 205 of the first inlet portion 201, the second guide rib 304 will extend to the flared opening 306 of the second inlet; and when the first guide rib 203 extends to the flared opening 306 of the first inlet, the second guide rib 304 will extend to the chamfer 205 of the second inlet portion.

[0089] In this way, when the stirring shaft 2 and the stirring blade 3 just begin to contact, the guide ribs (first guide rib 203 and / or second guide rib 304) can play a guiding role, further improving the accuracy of coupling.

[0090] This application also provides a mixer, including a body 1 and a mixing cup 5, a lifting device 6, and a mixing assembly as described in any of the above embodiments, all mounted on the body 1. The mixing cup 5 includes a cup body 501 and a cup lid 502 disposed at the mouth of the cup body 501, the cup lid 502 being detachably disposed at the mouth of the cup body 501.

[0091] The stirring blade 3 of the stirring assembly is disposed inside the stirring cup 5. The cup lid 502 has a through hole at its center for the stirring shaft 2 of the stirring assembly to pass through. A second magnet 503 is disposed at the through hole. When the stirring shaft 2 and the stirring blade 3 are not connected, the second magnet 503 attracts the stirring blade 3 to the cup lid 502. For example, when the stirring shaft 2 is not coupled to the stirring blade 3, the stirring blade 3 is attracted to the bottom surface of the cup lid 502 by the second magnet 503. When the stirring shaft 2 passes through the through hole and couples with the stirring blade 3, the stirring blade 3 will still maintain its current position.

[0092] The lifting device 6 of the mixer can drive the stirring shaft 2 or the stirring cup 5 to move up and down. The lifting device 6 can be connected to the stirring shaft 2 and drive the stirring shaft 2 to move up and down, or...

[0093] The stirring cup 5 is detachably placed on the lifting platform 603 of the lifting device 6. The lifting device 6 drives the lifting platform 603, the stirring cup 5, and the stirring blade 3 inside the stirring cup 5 to move up and down. The lifting device 6 realizes the automatic connection and separation of the stirring shaft 2 and the stirring blade 3.

[0094] For example, the stirring blade 3 and the stirring shaft 2 are initially separate during operation, then coupled as the mechanism moves, and finally separated again after the operation is completed. The stirring blade 3 is initially detachably mounted on the cup lid 502 via magnetic attraction, and after coupling with the mechanism, it can slide into the stirring cup 5 to cut the food inside. The lifting device 6 drives the stirring cup 5 assembly or the stirring device to slide relative to each other, realizing the steps of coupling, cutting food, and separation. In the initial state, combined... Figure 3 The stirring shaft 2 and the stirring blade 3 are not coupled. As the lifting device 6 drives the stirring shaft 2 to move downward or the stirring cup 5 to move upward, the stirring shaft 2 and the stirring blade 3 will move closer to each other, and the stirring shaft 2 and the stirring blade 3 will be assembled (e.g., Figure 5 Subsequently, the lifting device 6 continues to drive the stirring shaft 2 downward or drive the stirring cup 5 upward. The stirring shaft 2 will be fixed on the stirring blade 3, and both will move downward synchronously so that the stirring blade 3 can detach from the cup lid 502 and move into the cup body 501 of the stirring cup 5 (e.g., Figure 7 The mixing blade 3 can move to the middle or lower part of the space inside the cup body 501 of the mixing cup 5. As the mixing shaft 2 rotates, the mixing blade 3 will mix and cut the ingredients inside the mixing cup 5. After the cutting is complete, the lifting device 6 reverses its direction, and the mixing shaft 2 and the mixing blade 3 move upwards relative to the mixing cup 5 until the mixing blade 3 is close to the bottom surface of the lid 502. The second magnet 503 then attaches the mixing blade 3 to the lid 502. The mixing shaft 2 continues to move upwards relative to the mixing cup 5, maintaining contact and coupling with the mixing blade 3 until the mixing shaft 2 moves out of the through-hole of the lid 502 and the mixing cup 5 returns to its original position.

[0095] Compared with manual coupling and manual lifting, this application has a simple structure, a smaller concentricity tolerance chain between the stirring shaft 2 and the stirring cup 5, and the stirring blade 3 is less likely to scrape the cup wall of the stirring cup 5 during stirring.

[0096] This mixer can prevent the coupling failure between the mixing blade 3 and the mixing shaft 2, and improve the coupling effect between the two.

[0097] like Figure 4The lifting device 6 may include a lifting motor 601, a screw 602, and guide columns 604. The output end of the lifting motor 601 is connected to the screw 602, driving the screw 602 to rotate, and the lifting platform 603 can move up and down along the screw 602. For example, when the lifting motor 601 rotates forward, the lifting platform 603 moves upward along the screw 602; when the lifting motor 601 rotates in reverse, the lifting platform 603 moves downward along the screw 602. The lifting platform 603 can move stably up and down under the guidance of the guide columns 604. There may be one guide column or multiple guide columns 604.

[0098] In some embodiments, such as Figure 6 An annular elastic element 504 is also provided at the through hole. The second magnet 503 is located within the space formed by the elastic element 504 and the cup lid 502 to prevent the magnet from rusting. The cup lid 502 may include an upper cup lid 502 and a lower cup lid 502. The elastic element 504 may be disposed between the upper cup lid 502 and the lower cup lid 502, and located at the through hole. The second magnet 503 may include multiple pieces, which may be arranged circumferentially around the through hole. The thickness of the elastic element 504 can be small, so as not to affect the adsorption and fixation effect of the second magnet 503 on the stirring blade 3.

[0099] When the stirring shaft 2 passes through the through hole, the elastic element 504 and the stirring shaft 2 can be press-fitted together, that is, the elastic element 504 can be attached to the outer circumferential surface of the stirring shaft 2 to prevent the food in the stirring cup 5 from overflowing from the through hole.

[0100] The foregoing has described in detail several embodiments of this application, but this application is not limited to these specific embodiments. Those skilled in the art can make various variations and modifications based on the concept of this application, and all such variations and modifications should fall within the scope of protection claimed in this application.

Claims

1. A stirring assembly, characterized in that, include: The stirring shaft (2) has a first end connected to a power component and rotates under the drive of the power component, and a second end is a first inlet (201), which is provided with a first coupling part. The stirring blade (3) is coaxially arranged with the stirring shaft (2) and detachably connected. The stirring blade (3) includes a blade shaft (301) and a blade (302) arranged on the blade shaft (301). The blade shaft (301) is provided with a second coupling part that is rotatably coupled to the first coupling part. When the stirring blade (3) is installed on the stirring shaft (2), the first coupling part and the second coupling part are converted from single-point coupling to multi-point coupling.

2. The stirring assembly according to claim 1, characterized in that, The first coupling part includes at least two first ribs (202), each of the first ribs (202) is arranged circumferentially along the stirring shaft (2), and each of the first ribs (202) is spirally arranged along the axial direction of the stirring shaft (2); the second coupling part includes at least two second ribs (303), the second ribs (303) are matched with the first ribs (202); The first rib (202) includes a first guide rib (203), the end of the first guide rib (203) facing the stirring blade (3) extending beyond the other first ribs (202); and / or The second rib (303) includes a second guide rib (304), and one end of the second guide rib (304) facing the stirring shaft (2) extends beyond the other second ribs (303); During the coupling process between the first coupling part and the second coupling part, the first guide rib (203) and the second guide rib (304) or one of the second ribs (303) are coupled at a single point. The stirring shaft (2) rotates toward the stirring blade (3) under the rotational guidance of the first guide rib (203) and the second guide rib (304) or the second rib (303). Each of the first ribs (202) and each of the second ribs (303) are coupled one-to-one.

3. The stirring assembly according to claim 2, characterized in that, The cutter shaft (301) has a second guide portion; The second inlet portion has a second inlet hole (305), and the second rib (303) is disposed on the inner peripheral surface of the second inlet hole (305); the first rib (202) is disposed on the outer peripheral surface of the first inlet portion (201); or The first inlet portion (201) has a first inlet hole, the first rib (202) is disposed on the inner peripheral surface of the first inlet hole, and the second rib (303) is disposed on the outer peripheral surface of the second inlet portion.

4. The stirring assembly according to claim 3, characterized in that, The first inlet hole has a first inlet opening, and the second inlet hole (305) has a second inlet opening; the first inlet opening and the second inlet opening are flared openings (306) with an angle; The inlet end of the first inlet portion (201) without a first inlet hole and the inlet end without a second inlet hole (305) have an inwardly tapered chamfer (205).

5. The stirring assembly according to claim 4, characterized in that, The portion of the first guide rib (203) extending beyond the first rib (202) extends to the chamfer (205) of the first inlet portion (201) or the flared opening (306) of the first inlet port; The portion of the second guide rib (304) extending beyond the second rib (303) extends to the flared opening (306) of the second inlet of the second inlet or the chamfer (205) of the second inlet.

6. The stirring assembly according to claim 1, characterized in that, A first magnet (204) is provided at the first inlet (201) of the stirring shaft (2), and the first magnet (204) is magnetically connected to the blade shaft (301) of the stirring blade (3).

7. A mixer, characterized in that, The device includes a body (1), a stirring cup (5), a lifting device (6), and a stirring assembly as described in any one of claims 1 to 6, all mounted on the body (1). The stirring cup (5) includes a cup body (501) and a cup lid (502) located at the mouth of the cup body (501). The stirring blade (3) of the stirring assembly is located inside the stirring cup (5). The center of the cup lid (502) is provided with a through hole through which the stirring shaft (2) of the stirring assembly passes. A second magnet (503) is provided at the through hole. When the stirring shaft (2) and the stirring blade (3) are not connected, the second magnet (503) attracts the stirring blade (3) to the cup lid (502). The lifting device (6) drives the stirring shaft (2) or the stirring cup (5) to move up and down.

8. The mixer according to claim 7, characterized in that, An annular elastic element (504) is also provided at the through hole, and the second magnet (503) is located in the space formed by the elastic element (504) and the cup lid (502).

9. The mixer according to claim 8, characterized in that, When the stirring shaft (2) passes through the through hole, the elastic element (504) is in an interference-sealed fit with the stirring shaft (2).

10. The mixer according to claim 7, characterized in that, The lifting device (6) is connected to the stirring shaft (2) and drives the stirring shaft (2) to move up and down, or The stirring cup (5) is detachably placed on the lifting platform (603) of the lifting device (6), and the lifting device (6) drives the lifting platform (603), the stirring cup (5) and the stirring blade (3) inside the stirring cup (5) to move up and down.

Images