CN217488433U - Food processor - Google Patents

Abstract

The application provides a cooking machine. The food processor comprises a container, a container cover, a stirring knife assembly and a host machine. The bottom wall undercut of container is provided with the depressed part, is provided with the bellied location arch that makes progress in the depressed part. The container cover can cover the container. The stirring knife assembly is detachably arranged in the container and comprises a stirring knife shaft. The lower extreme of stirring arbor is equipped with the bellying, and the tip of bellying is sunken upwards to be equipped with positioning groove. When the stirring knife assembly is arranged in the container, the convex part is matched with the concave part, and the positioning bulge is matched with the positioning groove. The host computer is arranged above the container cover and comprises a driving device, and the driving device is in transmission connection with the upper end of the stirring cutter shaft and is used for driving the stirring cutter shaft to rotate. The stirring knife component is convenient to be arranged in the container.

Description

Food processor

Technical Field

The application relates to a small household electrical appliance field especially relates to a cooking machine.

Background

Along with the increasing living standard of people, the application of the food processer is wider. Some food processors are provided with a limiting shaft on the bottom wall of the container, the bottom of the stirring cutter component is provided with a groove, the limiting shaft is inserted into the groove and assembled with the stirring cutter component in a pluggable manner, and the motor drives the stirring cutter component to rotate around the limiting shaft. The stirring cutter component is arranged in the container, and moves downwards along the direction of the limiting shaft. If harder edible material has been placed to the container bottom, the stirring knife tackle spare is lived by eating the material withstand easily to the stirring knife tackle spare is difficult for assembling downwards and targets in place, makes stirring knife tackle spare upper portion outwards outburst too much to the container, and then leads to the host computer of being connected with the top of stirring knife tackle spare by stirring knife tackle spare jack-up and can't assemble to the container lid in.

SUMMERY OF THE UTILITY MODEL

The application provides a cooking machine is convenient for install stirring knife tackle spare in the container.

The application provides a cooking machine, wherein include:

the bottom wall of the container is provided with a concave part in a downward concave manner, and a positioning bulge protruding upwards is arranged in the concave part;

a container cover that can cover the container;

the stirring knife assembly is detachably arranged in the container and comprises a stirring knife shaft, the lower end of the stirring knife shaft is provided with a convex part, and the end part of the convex part is upwards sunken to be provided with a positioning groove; when the stirring knife assembly is arranged in the container, the convex part is matched with the concave part, and the positioning protrusion is matched with the positioning groove; and

the main machine is arranged above the container cover and comprises a driving device, and the driving device is in transmission connection with the upper end of the stirring cutter shaft and is used for driving the stirring cutter shaft to rotate.

The cooking machine of some embodiments of this application, the diapire undercut of container is provided with the depressed part, the lower extreme of stirring arbor is equipped with the bellying, bellying and depressed part cooperation, when placing harder edible material in the container, eat in if falling into the depressed part, when installation stirring knife tackle spare, can will fall into the edible material in the depressed part with the stirring arbor and dial out, or install in the in-process of depressed part at the bellying, can extrude the edible material in the depressed part, so be convenient for install stirring knife tackle spare in the container, the mounting means is simple and fast, prevent to appear because of stirring the sword by eat the material withstand and make the unable condition of assembling of host computer and container lid produce. And the stirring cutter shaft rotates in the concave part, so that the problem of eccentricity of the stirring cutter shaft in the rotating process can be reduced. The positioning protrusions and the positioning grooves are arranged, so that the protrusions and the depressions are matched conveniently, the mounting position of the stirring cutter shaft can be determined quickly, the transverse displacement of the stirring cutter shaft can be limited, and the eccentric phenomenon in the rotating process of the stirring cutter shaft can be reduced better.

Optionally, when the stirring blade assembly is arranged in the container, the surface of the concave part and the surface of the convex part are at least partially in contact fit. In some embodiments, the surfaces of the concave part and the surfaces of the convex part are at least partially in contact fit, so that a certain friction force can be provided, and when the driving device stops driving the stirring knife assembly to rotate, the quick knife stopping is realized; meanwhile, cutter stopping components such as springs and the like do not need to be arranged in the stirring cutter shaft, so that the stirring cutter component is simple in structure and convenient to clean.

Optionally, when the stirring blade assembly is arranged in the container, the surface of the positioning protrusion and the surface of the positioning groove are at least partially in contact fit. In some embodiments, the surface of the positioning protrusion and the surface of the positioning groove are at least partially in contact fit, so that a certain friction force is provided, and when the driving device stops driving the stirring knife assembly to rotate, the quick knife stopping is realized.

Optionally, the positioning protrusion is not in contact fit with the positioning groove. In some embodiments, at this time, the protrusion and the recess are main contact surfaces between the stirring cutter shaft and the container, and the friction force between the surface of the protrusion and the surface of the recess can be utilized to realize quick cutter stopping, and meanwhile, the positioning protrusion is in non-contact fit with the positioning groove, so that the contact area between the stirring cutter shaft and the container is not too large, the influence on the stirring rotation speed and the abrasion between the stirring cutter shaft and the container can be reduced while the effect of cutter stopping within the product cutter stopping time requirement is ensured, so that the stirring rotation speed can be better ensured, and the service lives of the stirring cutter shaft and the container can be longer.

Optionally, when the stirring blade assembly is disposed in the container, the protrusion is not in contact fit with the recess, and the surface of the positioning protrusion is in at least partial contact fit with the surface of the positioning groove. In some embodiments, the positioning protrusion and the positioning groove are main contact surfaces between the stirring cutter shaft and the container, and the friction force between the surface of the positioning protrusion and the surface of the positioning groove can be utilized to realize quick cutter stopping, and meanwhile, the protrusion part and the depression part of the stirring cutter shaft are not in contact fit, so that the contact surfaces are not too large, the influence on the stirring rotating speed and the abrasion between the stirring cutter shaft and the container can be reduced, the stirring rotating speed can be better ensured, and the service lives of the stirring cutter shaft and the container can be longer.

Optionally, the positioning protrusion is disposed in the middle of the recessed portion, and the positioning groove is disposed in the middle of the protruding portion. In some embodiments, the design of the concave part and the convex part is more symmetrical, so that the processing and the manufacturing of the container and the stirring cutter shaft are convenient, and after the positioning protrusion is matched with the positioning groove, the stirring cutter shaft is more stably installed, can more easily rotate in the concave part, is less prone to eccentricity during rotation, and can more stably rotate; and/or

The surfaces of the positioning protrusions and the surfaces of the positioning grooves are arc-shaped surfaces. In some embodiments, the positioning protrusion is convenient to be matched with the positioning groove, and meanwhile, as the arc-shaped surface does not have a sharp angle, when the stirring cutter shaft is installed on the container, the phenomenon that the stirring cutter shaft or the container is damaged due to scraping generated between the positioning protrusion and the positioning groove can not occur; and/or

The cross section of the recess in the horizontal direction is oval or circular in shape. In some embodiments, such an arrangement is more convenient for cleaning the bottom wall of the container, and the oval or circular arrangement is convenient for enabling the protrusion to rotate within the recess; and/or

The height of the positioning protrusion and the depth of the positioning groove are both smaller than the depth of the concave part. In some embodiments, the positioning protrusion is low in height, the positioning groove is easily assembled with the positioning protrusion, the problem that due to hard food materials, the stirring knife assembly is not easy to assemble when the stirring knife assembly is installed on a container due to the fact that the positioning protrusion is too high is solved, and the positioning groove is shallow in depth and convenient to clean.

Optionally, the inner surface of the recess and the outer surface of the protrusion are both arc-shaped surfaces. In some embodiments, the arc-shaped surface has a guiding function, which facilitates the matching of the convex part and the concave part and facilitates the assembly of the stirring knife assembly into the container. And the surfaces of the concave part and the convex part are arc-shaped surfaces, so that the stirring cutter shaft and the container can be cleaned more conveniently.

Optionally, a difference between a diameter of the arc-shaped surface of the recess and a diameter of the arc-shaped surface of the protrusion ranges from 0.2mm to 0.5 mm. In some embodiments, with proper clearance between the recess and the projection, the projection can rotate more smoothly within the recess.

Optionally, the size range of the gap between the opening of the concave part and the convex part is 0.5mm to 5 mm. In some embodiments, a proper gap is formed between the upper opening of the concave part and the convex part, so that the stirring cutter shaft can rotate in the concave part more easily, the stirring cutter shaft is not easy to collide when rotating, and the convex part is easy to insert into the concave part; and/or

The food processor comprises a plurality of containers, the containers are assembled with the container covers in an exchangeable mode, when the containers are stacked up and down, the concave parts of the containers are overlapped in the vertical direction, and the upper concave part of each of the two containers which are adjacent up and down is at least partially positioned in the lower concave part of the corresponding container. In some embodiments, after a plurality of containers are stacked, the height of the stack is low, and the containers are convenient to store; and/or

The bottom wall of the container is provided with a boss protruding upwards, and the depressed part is arranged in the middle of the boss. In some embodiments, the boss provides a space for the concave part, and the length of the stirring cutter shaft can be set to be shorter by the boss, so that the stirring cutter shaft is more convenient to take and clean; the height of the container can be set lower, the volume can be set smaller, and the container is convenient to carry and carry; and/or

The food processor comprises a meat grinder.

Optionally, the stirring knife assembly further comprises a stirring knife connected with the stirring knife shaft, the stirring knife shaft is provided with a stirring knife connecting portion, the stirring knife is arranged radially outwards from the stirring knife connecting portion, the protruding portion is arranged to protrude downwards from the stirring knife connecting portion, and the vertical distance from the lowest point of the protruding portion to the lowest point of the stirring knife connecting portion is greater than the depth of the recessed portion. In some embodiments, a vertical distance from the lowest point of the protrusion to the lowest point of the stirring blade connecting portion is greater than a depth of the recess, so that a gap is formed between the lowest point of the stirring blade connecting portion and the bottom wall of the container, and a certain distance is formed between the stirring blade and the bottom wall of the container, so that the container can be prevented from being scratched by the stirring blade or interfering with rotation of the stirring blade.

Optionally, a range of a difference between a vertical distance from a lowest point of the protrusion to a lowest point of the stirring blade connecting portion and a depth of the recess is greater than or equal to 0.5 mm. In some embodiments, a certain gap is ensured between the stirring knife and the bottom wall of the container, so that the container is prevented from being scratched by the stirring knife; and/or

The range of the vertical distance between the lowest point of the stirring knife and the lowest point of the bulge is more than or equal to 1.5 mm; in some embodiments, a certain distance is reserved between the lowest point of the stirring knife and the lowest point of the bulge, so that the container is prevented from being scratched by the stirring knife; and/or

The stirring knife connecting part is radially and convexly arranged on the stirring knife shaft. In some embodiments, the stirring knife has better fixing effect and is more stably installed; and/or

The lowest point of the stirring knife is higher than that of the stirring knife connecting part. In some embodiments, a certain distance is ensured between the lowest point of the stirring knife and the lowest point of the stirring knife connecting part, so that a gap exists between the stirring knife and the bottom wall of the container, and the container is prevented from being scratched by the stirring knife.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Fig. 1 is a cross-sectional view of a food processor according to an exemplary embodiment of the present application;

fig. 2 is a cross-sectional exploded view of the food processor shown in fig. 1;

fig. 3 is a cross-sectional view of the food processor shown in fig. 1 with the main frame removed;

fig. 4 is a partial enlarged view of the food processor shown in fig. 3 with the main frame removed;

FIG. 5 is a cross-sectional view of the blender blade assembly of the food processor shown in FIG. 1;

FIG. 6 is a cross-sectional view of the container of the food processor of FIG. 1;

FIG. 7 is a cross-sectional view of the food processor of FIG. 1 with a plurality of containers stacked one above the other;

fig. 8 is a cross-sectional view of a food processor with a host removed according to another exemplary embodiment of the present application;

fig. 9 is a partial enlarged view of the food processor shown in fig. 8 with the main frame removed;

fig. 10 is a cross-sectional view of a food processor with a host removed according to another exemplary embodiment of the present application;

fig. 11 is a partially enlarged view of the food processor shown in fig. 10 with the main unit removed.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," and the like, as used in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means two or more. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The application provides a cooking machine. The food processor of the present application will be described in detail below with reference to the accompanying drawings. The features of the following examples and embodiments may be combined with each other without conflict.

Fig. 1 is a cross-sectional view of a food processor 10 according to an exemplary embodiment of the present application; fig. 2 is a cross-sectional exploded view of the food processor 10 shown in fig. 1. Referring to fig. 1 and 2, the present application provides a food processor 10, where the food processor 10 includes a container 11, a container cover 12, a stirring blade assembly 13, and a host 14. In some embodiments, the food processor 10 includes a meat grinder, which can be used to grind meat or to chop other food materials such as vegetables, fruits, coffee beans, and the like. The container 11 can be used for holding food to be whipped, such as meat, fruits, vegetables, etc. The bottom wall of the container 11 is recessed downwardly with a recess 15. The recess 15 is provided therein with a positioning projection 16 projecting upward. The positioning protrusion 16 may be integrally formed with the recess 15. The container cover 12 can cover the container 11, and the container cover 12 can be used for detaching the bottom cover from the container 11, so that the slurry in the container 11 can be prevented from splashing in the stirring process of the food processor 10, and the environment can be prevented from being polluted.

The blending blade assembly 13 is detachably disposed in the container 11, and when the blending blade assembly 13 is taken out from the container 11, the container 11 can also be used as a seasoning bowl or a containing bowl. The diapire undercut of container 11 forms depressed part 15, sets up spacing axle for the diapire of container among the correlation technique, and the container 11 of this application is more suitable for as condiment bowl or splendid attire bowl, because of container 11 bottom does not have the spacing axle of outstanding in depressed part 15, and the user of being more convenient for uses, if can fully dip in condiment when being used as condiment bowl. The stirring blade assembly 13 includes a stirring blade shaft 17. In some embodiments, the stirring blade assembly 13 may further include a stirring blade 18 connected to the stirring blade shaft 17. The lower end of the stirring knife shaft 17 is provided with a convex part 20, and the end part of the convex part 20 is provided with a positioning groove 21 in an upward concave manner. The stirring knife shaft 17 comprises a knife shaft main body 19 connected with the stirring knife 18, and a bulge part 20 is arranged at the lower end of the knife shaft main body 19. When the stirring blade assembly 13 is disposed in the container 11, the convex portion 20 is engaged with the concave portion 15. When the stirring blade assembly 13 rotates, the convex portion 20 rotates in the concave portion 15. In some embodiments, the cross-section of the recess 15 in the horizontal direction is oval or circular in shape, which is provided to facilitate cleaning of the bottom wall of the container 11, and oval or circular to facilitate rotation of the protrusion 20 within the recess 15. When the stirring blade assembly 13 is arranged in the container 11, the positioning protrusion 16 is matched with the positioning groove 21. In some embodiments, the positioning protrusion 16 is disposed in the middle of the recessed portion 15, and the positioning groove 21 is disposed in the middle of the protruding portion 20, so that the design of the recessed portion 15 and the protruding portion 20 is more symmetrical, which is convenient for the processing and manufacturing of the container 11 and the stirring arbor 17, and after the positioning protrusion 16 is matched with the positioning groove 21, the installation of the stirring arbor 17 is more stable, and the stirring arbor rotates in the recessed portion 15 more easily, and is less prone to eccentricity during rotation, and the rotation is more stable.

The main machine 14 is arranged above the container cover 12 and is in limit fit with the container cover 12. In some embodiments, the host 14 is removably assembled over the container lid 12, thereby facilitating cleaning of the container lid 12. The host 14 includes a drive device 23. The main unit 14 includes a housing 22, and a driving device 23 is disposed in the housing 22. The stirring shaft 17 can be connected to a drive 23 through the cover 12. The driving device 23 is in transmission connection with the upper end of the stirring knife shaft 17 and is used for driving the stirring knife shaft 17 to rotate so as to realize the stirring of the food materials in the container 11. The drive means 23 may be a motor.

The food processer 10 of some embodiments of this application, the diapire undercut of container 11 is provided with depressed part 15, the lower extreme of stirring arbor 17 is equipped with bellying 20, bellying 20 and depressed part 15 cooperate, when placing harder edible material in container 11, eat material if fall into depressed part 15, when installation stirring knife tackle spare 13, can dial away the edible material that falls into in depressed part 15 with stirring arbor 17, or install in the in-process of depressed part 15 at bellying 20, can extrude the edible material in depressed part 15, so be convenient for install stirring knife tackle spare 13 in container 11, the mounting means is simple and fast, prevent to appear making the unable condition of assembling of host computer 14 and container lid 12 to produce because of stirring knife 18 is propped by eating the material. And the stirring cutter shaft 17 rotates in the concave part 15, so that the problem of eccentricity of the stirring cutter shaft 17 in the rotating process can be reduced. The arrangement of the positioning protrusions 16 and the positioning grooves 21 facilitates the matching of the protrusions 20 and the depressions 15, facilitates the rapid determination of the installation position of the stirring cutter shaft 17, can limit the transverse displacement of the stirring cutter shaft 17, and better reduces the eccentric phenomenon of the stirring cutter shaft 17 in the rotating process.

Fig. 3 is a cross-sectional view of the food processor 10 shown in fig. 1 with the main body 14 removed; fig. 4 is an enlarged view of a portion 10a of the food processor 10 shown in fig. 3 with the main body 14 removed. Referring to fig. 3 and 4, in some embodiments, the surface of the positioning protrusion 16 and the surface of the positioning groove 21 are both arc-shaped surfaces, which facilitates the matching between the positioning protrusion 16 and the positioning groove 21, and meanwhile, since the arc-shaped surfaces do not have sharp corners, when the stirring knife shaft 17 is installed in the container 11, the phenomenon that the stirring knife shaft 17 or the container 11 is damaged due to scraping generated between the positioning protrusion 16 and the positioning groove 21 does not occur.

In some embodiments, the inner surface of the recess 15 and the outer surface of the protrusion 20 are both arcuate surfaces. The arc-shaped surface has a certain guiding function, so that the convex part 20 and the concave part 15 can be matched conveniently, and the stirring knife assembly 13 can be assembled into the container 11 conveniently. And the surfaces of the concave part 15 and the convex part 20 are arc surfaces, so that the stirring knife shaft 17 and the container 11 are more convenient to clean.

In some embodiments, the diameter of the arcuate face of the recess 15

Diameter of arc face of boss 20

The difference is in the range of 0.2mm to 0.5 mm. Namely, it is

The arrangement is such that there is a suitable clearance between the recess 15 and the projection 20, and the projection 20 can rotate more smoothly within the recess 15.

In some embodiments, the surface of the recess 15 and the surface of the protrusion 20 are at least partially in contact engagement when the stirring blade assembly 13 is disposed within the container 11. Surface of the recess 15 the surface of the protrusion 20 is at least partially in contact fit, which may mean that part of the surface contact between the recess 15 and the protrusion 20 and part of the surface separation; it may also mean that there is complete surface contact between the recesses 15 and the protrusions 20. Therefore, a certain friction force can be provided, and when the driving device 23 stops driving the stirring knife assembly 13 to rotate, the quick knife stopping is realized. Meanwhile, cutter stopping components such as springs do not need to be arranged in the stirring cutter shaft 17, so that the stirring cutter component 13 is simple in structure and convenient to clean.

In some embodiments, when the stirring blade assembly 13 is disposed in the container 11, the surface of the positioning protrusion 16 and the surface of the positioning groove 21 are at least partially in contact fit. The surface of the positioning projection 16 and the surface of the positioning groove 21 are at least partially contacted and matched, and partial surface contact and partial surface separation between the positioning projection 16 and the positioning groove 21 can be designated; it may also mean that the surfaces between the positioning projection 16 and the positioning groove 21 are completely in contact. The surface of the positioning protrusion 16 and the surface of the positioning groove 21 are at least partially in contact fit, so that a certain friction force is provided, and when the driving device 23 stops driving the stirring blade assembly 13 to rotate, the rapid blade stopping is realized. Meanwhile, on the basis that the surface of the concave part 15 is at least partially in contact fit with the surface of the convex part 20, the surface of the positioning bulge 16 is at least partially in contact fit with the surface of the positioning groove 21, so that the contact area between the stirring cutter shaft 17 and the container 11 is enlarged, and quick cutter stopping is easier to realize. Wherein, in some embodiments, part of the surface of the recess 15 and part of the surface of the protrusion 20 are not in contact fit, and part of the surface of the positioning protrusion 16 and part of the surface of the positioning groove 21 are not in contact fit. There is a portion between the concave portion 15 and the convex portion 20 and between the positioning projection 16 and the positioning groove 21 that is not in contact. The recessed portion 15 and the raised portion 20, and the positioning projection 16 and the positioning groove 21 as a whole have a certain clearance, not being in full contact. So make area of contact not too big, when guaranteeing to realize stopping the effect of sword in the product time requirement of cutting out (for example in 1.5 s), can prevent to influence the phenomenon production that the wearing and tearing of stirring arbor 17 and container 11 are great that the great degree influences the stirring rotational speed and cause because frictional force is too big at the in-process of stirring, so can guarantee the stirring rotational speed and can prolong the life of stirring arbor 17.

In some embodiments, the positioning projection 16 is not in contact fit with the positioning groove 21. On the basis that the surface of the concave part 15 is at least partially in contact fit with the surface of the convex part 20, the positioning protrusion 16 is not in contact fit with the positioning groove 21, at the moment, the convex part 20 and the concave part 15 are main contact surfaces between the stirring cutter shaft 17 and the container 11, the quick cutter stopping can be realized by utilizing the friction force between the surface of the convex part 20 and the surface of the concave part 15, and meanwhile, the positioning protrusion 16 is not in contact fit with the positioning groove 21, so that the contact area between the stirring cutter shaft 17 and the container 11 is not too large, the cutter stopping effect within the cutter stopping time requirement of a product can be realized, the influence on the stirring rotation speed and the abrasion between the stirring cutter shaft 17 and the container 11 can be reduced, the stirring rotation speed can be better ensured, and the service lives of the stirring cutter shaft 17 and the container 11 can be longer.

In some embodiments, when the stirring blade assembly 13 is disposed in the container 11, the protrusion 20 is not in contact fit with the recess 15, the surface of the positioning protrusion 16 is at least partially in contact fit with the surface of the positioning groove 21, and at this time, the positioning protrusion and the positioning groove 21 are main contact surfaces between the stirring blade shaft 17 and the container 11, so that a rapid blade stop can be realized by using friction between the surface of the positioning protrusion 16 and the surface of the positioning groove 21, and meanwhile, the protrusion 20 of the stirring blade shaft 17 is not in contact fit with the recess 15, so that the contact surfaces are not too large, the influence on the stirring rotation speed and the wear of the stirring blade shaft 17 and the container 11 can be reduced, so that the stirring rotation speed can be better ensured, and the service lives of the stirring blade shaft 17 and the container 11 can be longer.

In some embodiments, when the stirring blade assembly 13 is disposed in the container 11, the surface of the concave portion 15 and the surface of the convex portion 20 are at least partially in contact fit, the concave portion 15 and the convex portion 20 have a contact surface therebetween, and the positioning protrusion 16 is not in contact fit with the positioning groove 21. In other embodiments, the surface of the positioning protrusion 16 and the surface of the positioning groove 21 are at least partially in contact fit, and the protrusion 20 and the recess 15 are not in contact fit. In other embodiments, the surface of the recess 15 and the surface of the protrusion 20 are at least partially in contact, and the surface of the positioning protrusion 16 and the surface of the positioning groove 21 are at least partially in contact. A contact surface is arranged between the concave part 15 and the convex part 20, and a contact surface is also arranged between the positioning convex 16 and the positioning groove 21, so that a certain friction force can be provided, and when the driving device 23 stops driving the stirring knife assembly 13 to rotate, the quick knife stopping is realized; meanwhile, cutter stopping components such as springs do not need to be arranged in the stirring cutter shaft 17, so that the stirring cutter component 13 is simple in structure and convenient to clean.

In some embodiments, the recess 15 is in contact with the bottom end of the protrusion 20, and/or the positioning protrusion 16 is in contact with the positioning groove 21. The concave portion 15 abuts against the bottom end of the convex portion 20, and/or the positioning protrusion 16 abuts against the positioning groove 21. In some embodiments, when the stirring blade assembly 13 is disposed in the container 11, the concave portion 15 contacts the bottom end of the convex portion 20, a gap is formed between the upper portion of the bottom end of the convex portion 20 and the concave portion 15, and the positioning protrusion 16 is not in contact fit with the positioning groove 21. The gap is reserved between the upper portion of the bottom end of the protruding portion 20 and the recessed portion 15, so that the contact area between the protruding portion 20 and the recessed portion 15 is not too large, the effect of cutter stopping within the cutter stopping time requirement (for example, within 1.5 s) of a product is ensured, meanwhile, the phenomenon that the abrasion of the stirring cutter shaft 17 and the container 11 is large due to the fact that the stirring rotating speed is greatly influenced and caused by too large friction force in the stirring process can be prevented from being generated, the stirring rotating speed can be ensured, and the service life of the stirring cutter shaft 17 can be prolonged.

In the embodiment shown in fig. 4, the recess 15 is in contact with the bottom end of the projection 20, and the positioning projection 16 is in contact with the positioning groove 21. The outer surface of the positioning protrusion 16 and the inner surface of the positioning groove 21 are in complete contact, and the two are the same arc-shaped surfaces and completely attached. The lowermost portion of the convex portion 20 is in contact with the lowermost portion of the inner surface of the concave portion 15. The edge where the protrusion 20 is connected to the positioning groove 21 is in contact with the edge where the recess 15 is connected to the positioning protrusion 16.

Fig. 5 is a cross-sectional view of the stirring blade assembly 13 of the food processor 10 shown in fig. 1; fig. 6 is a cross-sectional view of the container 11 of the food processor 10 shown in fig. 1. Referring to fig. 3 to 6, in some embodiments, the height h of the positioning protrusion 16 and the depth e of the positioning groove 21 are both smaller than the depth c of the recess 15, the height h of the positioning protrusion 16 is lower, the positioning groove 21 is easily assembled with the positioning protrusion 16, the problem that the stirring blade assembly 13 is not easily assembled due to hard food materials when the stirring blade assembly 13 is installed in the container 11 due to the excessively high positioning protrusion 16 is avoided, and the depth of the positioning groove 21 is relatively shallow, so that the cleaning is facilitated. And the positioning bulge 16 is shorter, and the stirring blade assembly 13 is easier to stop cutting compared with the related art that a longer limiting shaft is arranged on the bottom wall of the container, and a certain contact area is formed between the positioning bulge 16 and the positioning groove 21 and/or between the bulge part 20 and the recess part 15, so that a certain friction force is provided, and the stirring blade assembly 13 can stop cutting more quickly.

In some embodiments, the gap between the opening of the recess 15 and the boss 20 ranges in size from 0.5mm to 5 mm. In some embodiments, the difference between the dimension b at the opening of the recess 15 and the dimension a of the cross-section of the protrusion 20 in the horizontal direction at the opening of the recess 15 ranges from 0.5mm to 5 mm. So make the top opening of depressed part 15 and have suitable clearance between the bellying 20 for stirring arbor 17 rotates in depressed part 15 more easily, is difficult to collide when rotating, and bellying 20 inserts easily in depressed part 15. When the upper opening of the recess 15 is circular, the smallest dimension in the lateral direction is the diameter of the circle. When the upper opening of the recess 15 is formed in an elliptical shape, the smallest dimension in the lateral direction is the minor axis length of the elliptical shape. The upper end of the boss 20 is wide and the lower end is narrow, the maximum transverse dimension being the cross-sectional dimension of the upper end. The cross-section of the boss 20 is circular and the largest transverse dimension is the diameter of the cross-section at the upper end of the boss 20. The boss 20 may be hemispherical in shape with the largest lateral dimension being the diameter of the hemisphere.

In some embodiments, the stirring blade assembly 13 further comprises a stirring blade 18 connected to the stirring blade shaft 17. Wherein, the figure of stirring sword 18 can be one or more, and a plurality of stirring sword 18 can be followed the axial of stirring arbor 17 and distributed the setting from top to bottom, also can evenly arrange the setting along the circumference of stirring arbor 17, sets up a plurality of stirring sword 18 and is favorable to carrying out abundant whipping to the edible material in the container 11. The stirring shaft 17 is provided with a stirring blade connecting portion 25. In some embodiments, the stirring blade connecting portion 25 is protruded along the radial direction of the stirring blade shaft 17, so that the stirring blade 18 is fixed more effectively and is installed more stably. The stirring blade connecting portion 25 may be made of plastic material, and is used for fixing the stirring blade 18. The stirring blade 18 is disposed radially outward from the stirring blade connection 25. The stirring blade connecting part 25 may be radially protruded at the bottom end of the cutter shaft main body 19. The bulge part 20 protrudes downwards from the stirring blade connecting part 25, the vertical distance d from the lowest point of the bulge part 20 to the lowest point of the stirring blade connecting part 25 is greater than the depth c of the recess part 15, and the vertical distance from the lowest point of the bulge part 20 to the lowest point of the stirring blade connecting part 25 is greater than the depth of the recess part 15, so that a gap is formed between the lowest point of the stirring blade connecting part 25 and the bottom wall of the container 11, a certain distance is reserved between the stirring blade 18 and the bottom wall of the container 11, and the container 11 can be prevented from being scratched by the stirring blade 18 or interfering with the rotation of the stirring blade 18. Furthermore, the stirring blade connecting portion 25 projects radially outward, may project radially outward beyond the projection 20, and may project radially beyond the upper edge of the recess 15. The lowest point of the stirring blade attachment portion 25 has a clearance from the upper edge of the recessed portion 15 so that the stirring blade attachment portion 25 does not interfere with the recessed portion 15 at the time of whipping. The stirring blade connecting portion 25 protrudes radially outward, so that the structural strength of the portion is high, the stirring blade 18 is convenient to arrange, stirring is facilitated, and stirring is stable.

In some embodiments, the difference between the vertical distance d from the lowest point of the protrusion 20 to the lowest point of the stirring blade connecting portion 25 and the depth c of the recess 15 is greater than or equal to 0.5mm, i.e. d-c is greater than or equal to 0.5mm, so as to ensure a certain gap between the stirring blade 18 and the bottom wall of the container 11 and prevent the container 11 from being scratched by the stirring blade 18.

In some embodiments, the lowest point of the stirring blade 18 is higher than the lowest point of the stirring blade connecting portion 25, so that a certain distance is ensured between the lowest point of the stirring blade 18 and the lowest point of the stirring blade connecting portion 25, a gap exists between the stirring blade 18 and the bottom wall of the container 11, and the container 11 is prevented from being scratched by the stirring blade 18.

In some embodiments, the vertical distance f between the lowest point of the stirring blade 18 and the lowest point of the protrusion 20 ranges from greater than or equal to 1.5mm, such that there is a certain distance between the lowest point of the stirring blade 18 and the lowest point of the protrusion 20, preventing the container 11 from being scratched by the stirring blade 18.

Referring to fig. 6, in some embodiments, the bottom wall of the container 11 is provided with a boss 24 protruding upward, the recess 15 is provided in the middle of the boss 24, the boss 24 provides a space for the recess 15, the boss 24 protrudes upward, a space is provided below, and the recess 15 is recessed downward from the top surface of the boss 24 into the space below the boss 24. And the boss 24 is arranged to ensure that the length of the stirring knife shaft 17 can be set shorter, thereby being more convenient for taking and cleaning. The height of the container 11 can be set lower, the volume can be set smaller, and the container is convenient to carry and carry. The depth of recess 15 is less than the height of boss 24 and recess 15 does not extend downwardly beyond the bottom wall of container 11 below boss 24, which may be placed on a counter top for smooth placement. The concave part 15 can be formed, the container 11 can be placed stably, and the structure is simple and easy to process. The recess 15, the boss 24 and the limiting protrusion 16 may be formed by bending the bottom wall of the container 11 and are made of the same metal plate.

Fig. 7 is a cross-sectional view of the food processor 10 shown in fig. 1 with a plurality of containers 11 stacked one on top of the other. Referring to fig. 2 and 7, in some embodiments, the food processor 10 includes a plurality of containers 11, and the plurality of containers 11 are alternatively assembled with the container cover 12, so that different containers 11 can be replaced to adapt to different food processing scenarios. Alternatively, the plurality of containers 11 may be the same size or different sizes. Because the stirring cutter shaft 17 is detachably arranged on the containers 11, a plurality of containers 11 can be overlapped, and the space is saved. When a plurality of containers 11 are stacked up and down, the concave parts 15 of the containers 11 are overlapped in the vertical direction, the concave part 15 of the upper container 11 in two containers 11 adjacent up and down is at least partially positioned in the concave part 15 of the lower container 11, and the concave part 15 of the upper container 11 can enter the concave part 15 of the lower container 11, so that after the containers 11 are stacked, the stacked height is low, and the containers 11 are convenient to store. The container diapire sets up spacing axle among the correlation technique, and when a plurality of containers stacked, certain vertical distance need have between the diapire of two upper and lower containers, leaves certain space to let a spacing axle. The diapire of this application container 11 sets up depressed part 15, and the depressed part 15 of two upper and lower containers 11 can superpose, can not need very big vertical distance between the diapire of two upper and lower containers 11 to the overall height after the pile can be lower, is convenient for accomodate. The recesses 15 of the plurality of containers 11 are each located in the middle of a respective container 11. When a plurality of containers 11 are stacked one on top of the other, the stopper projections 16 in the recesses 15 of the plurality of containers 11 are vertically overlapped. The height of the limiting projection 16 is low, and the vertical distance between the bottom walls of the upper container 11 and the lower container 11 does not need to be large when stacking.

Fig. 8 is a cross-sectional view of the food processor 10 with the host 14 removed according to another exemplary embodiment of the present application; fig. 9 is an enlarged view of a portion 10b of the food processor 10 shown in fig. 8 with the main body 14 removed; fig. 10 is a cross-sectional view of the food processor 10 with the host 14 removed according to another exemplary embodiment of the present application; fig. 11 is an enlarged view of a portion 10c of the food processor 10 shown in fig. 10 with the main body 14 removed. The embodiment shown in fig. 8 to 11 is similar to the embodiment shown in fig. 1 to 7, and compared with the embodiment shown in fig. 1 to 7, the embodiment shown in fig. 8 to 11 mainly differs as follows:

the contact surface and the contact area between the stirring shaft 17 and the container 11 are different. Referring to fig. 8 and 9, in some embodiments, when the stirring blade assembly 13 is disposed in the container 11, the protrusion 20 is not in contact fit with the recess 15, and the surface of the positioning protrusion 16 is in at least partial contact fit with the surface of the positioning groove 21. At this time, the positioning protrusion 16 and the positioning groove 21 are the main contact surfaces between the stirring knife shaft 17 and the container 11, and the friction force between the positioning protrusion 16 and the positioning groove 21 can be used to realize rapid knife stopping, where the knife stopping refers to a process from the stop of the driving device 23 driving the stirring knife assembly 13 to the complete stop of the stirring knife assembly 13. Meanwhile, the outer surface of the convex part 20 of the stirring cutter shaft 17 is separated from the inner surface of the concave part 15, so that the contact surface is not too large, the effect of cutter stopping within the requirement of cutter stopping time (for example, within 1.5 s) of a product is ensured, the influence on the stirring rotating speed and the abrasion between the stirring cutter shaft 17 and the container 11 can be reduced, the stirring rotating speed can be better ensured, and the service lives of the stirring cutter shaft 17 and the container 11 can be longer. And the friction force of the positioning bulge 16 and the positioning groove 21 realizes cutter stopping, and a spring and other cutter stopping components do not need to be arranged in the stirring cutter shaft 17, so that the stirring cutter component 13 is simple in structure and convenient to clean. The positioning protrusion 16 and the positioning groove 21 in the protrusion part 20 are contacted to generate friction force, the positioning protrusion 16 and the protrusion part 20 can be both of solid structures, the structural strength of the positioning protrusion 16 and the protrusion part 20 is high, the influence of friction on the positioning protrusion 16 and the protrusion part 20 is small, the outer surface of the protrusion part 20 is separated from the inner surface of the recessed part 15, abrasion of the protrusion part 20 and the recessed part 15 in the rotating process can be reduced, the recessed part 15 is formed by downward depression of the bottom wall of the container 11, the thickness and the strength of the bottom wall are smaller than those of the positioning protrusion 16 of the stirring knife shaft 17, and therefore the outer surface of the protrusion part 20 is separated from the inner surface of the recessed part 15, abrasion of the bottom wall of the container 11 caused by the rotating friction of the positioning protrusion 16 of the stirring knife shaft 17 with high strength can be avoided, the container 11 is prevented from being damaged, so that the service life of the container 11 can be prolonged, and the service life of the whole product can be prolonged. In the illustrated embodiment, the surfaces of the positioning protrusion 16 and the positioning groove 21 are in complete contact without a gap therebetween, and the contact area is large enough to achieve rapid tool stopping.

In some embodiments, the surface of the positioning protrusion 16 and the surface of the positioning groove 21 are both arc-shaped surfaces, which facilitates the matching between the positioning protrusion 16 and the positioning groove 21, and at the same time, in embodiments where the protrusion 20 is not in contact with the recess 15 and the surface of the positioning protrusion 16 is at least partially in contact with the surface of the positioning groove 21, the arc-shaped surfaces are more favorable for the mutual rotation between the positioning protrusion 16 and the positioning groove 21, have a certain friction force, but avoid too much friction force.

Referring to fig. 10 and 11, in other embodiments, when the stirring blade assembly 13 is disposed in the container 11, the surface of the concave portion 15 and the surface of the convex portion 20 are at least partially in contact engagement, and the positioning protrusion 16 is not in contact engagement with the positioning groove 21. At this time, the bottom end of the protruding portion 20 and the recessed portion 15 are main contact surfaces between the stirring knife shaft 17 and the container 11, and the friction force between the bottom end of the protruding portion 20 and the recessed portion 15 can be utilized to realize quick knife stopping, and meanwhile, if the positioning protrusion 16 is separated from the positioning groove 21, the contact area between the protruding portion 20 and the recessed portion 15 is not too large, so that the effect of knife stopping within the product knife stopping time requirement (for example, within 1.5 s) can be realized, the influence on the stirring rotating speed and the abrasion between the stirring knife shaft 17 and the container 11 can be reduced, the stirring rotating speed can be better ensured, and the service lives of the stirring knife shaft 17 and the container 11 can be longer. And the friction between the bottom end of the convex part 20 and the concave part 15 is used for stopping the cutter, and the cutter stopping components such as springs and the like do not need to be arranged in the stirring cutter shaft 17, so that the stirring cutter component 13 is simple in structure and convenient to clean. The surface of the concave part 15 and the surface of the convex part 20 are at least partially in contact fit, the positioning protrusion 16 is not in contact fit with the positioning groove 21, compared with the scheme that the positioning protrusion 16 is completely in contact with the positioning groove 21, the contact area is smaller, the wear to the bottom wall of the container 11 is smaller, and the service life of the container 11 is prolonged.

In some embodiments, the inner surface of the recess 15 and the outer surface of the protrusion 20 are both arcuate surfaces. The arc-shaped surface has a certain guiding function, so that the convex part 20 and the concave part 15 can be matched conveniently, and the stirring knife assembly 13 can be assembled into the container 11 conveniently. And in the embodiment that the surface of the concave portion 15 and the surface of the convex portion 20 are at least partially in contact fit, the inner surface of the concave portion 15 and the outer surface of the convex portion 20 are arc-shaped surfaces, so that the contact areas of the two are smooth, a gap is formed between the concave portion 15 and the convex portion 20 above the bottom end, and the contact areas of the concave portion 15 and the convex portion 20 at the bottom end can be smaller.

In some embodiments, the diameter of the arcuate face of the recess 15

Diameter of arc-shaped surface of boss 20

The difference is in the range of 0.2mm to 0.5 mm. Namely, it is

The arrangement is such that there is a suitable clearance between the recess 15 and the projection 20, and the projection 20 can rotate more smoothly within the recess 15. In the embodiment that the surface of the concave portion 15 is at least partially in contact fit with the surface of the convex portion 20, the contact area between the convex portion 20 and the concave portion 15 is more suitable, the contact area between the convex portion 20 and the concave portion 15 is not too large, the phenomenon that the stirring speed is influenced and the abrasion of the stirring knife shaft 17 is large due to too large friction force in the stirring process is prevented, the stirring speed is guaranteed, and the service life of the stirring knife shaft 17 can be prolonged. The contact area between the convex part 20 and the concave part 15 is not too small, and the cutter stop within 1.5s can be ensured.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (11)

1. A food processor, comprising:

the container (11), the bottom wall of the container (11) is provided with a concave part (15) in a downward concave manner, and a positioning bulge (16) which protrudes upwards is arranged in the concave part (15);

a container lid (12) that can be attached to the container (11);

the stirring knife assembly (13) is detachably arranged in the container (11) and comprises a stirring knife shaft (17), the lower end of the stirring knife shaft (17) is provided with a convex part (20), and the end part of the convex part (20) is upwards sunken to be provided with a positioning groove (21); when the stirring knife assembly (13) is arranged in the container (11), the convex part (20) is matched with the concave part (15), and the positioning protrusion (16) is matched with the positioning groove (21); and

the main machine (14) is arranged above the container cover (12) and comprises a driving device (23), and the driving device (23) is in transmission connection with the upper end of the stirring cutter shaft (17) and is used for driving the stirring cutter shaft (17) to rotate.

2. The food processor of claim 1, wherein the surface of the recess (15) and the surface of the protrusion (20) are at least partially in contact engagement when the blender blade assembly (13) is disposed within the container (11).

3. Food processor according to claim 1 or 2, wherein the surface of the positioning protrusion (16) and the surface of the positioning groove (21) are at least partially in contact engagement when the stirring blade assembly (13) is arranged in the container (11).

4. The food processor as claimed in claim 2, wherein the positioning protrusion (16) is in non-contact fit with the positioning groove (21).

5. The food processor of claim 1, wherein when the stirring blade assembly (13) is arranged in the container (11), the protrusion (20) is not in contact fit with the recess (15), and the surface of the positioning protrusion (16) is at least partially in contact fit with the surface of the positioning groove (21).

6. The food processor of claim 1, wherein the positioning protrusion (16) is arranged in the middle of the recess (15), and the positioning groove (21) is arranged in the middle of the protrusion (20); and/or

The surfaces of the positioning protrusions (16) and the surfaces of the positioning grooves (21) are arc-shaped surfaces; and/or

The cross section of the concave part (15) in the horizontal direction is oval or circular; and/or

The height of the positioning protrusion (16) and the depth of the positioning groove (21) are both smaller than the depth of the recess (15).

7. The machine according to claim 1, wherein the inner surface of the recess (15) and the outer surface of the protrusion (20) are both arc-shaped surfaces.

8. The food processor of claim 7, wherein the difference between the diameter of the arc-shaped face of the recess (15) and the diameter of the arc-shaped face of the protrusion (20) ranges from 0.2mm to 0.5 mm.

9. The food processor of claim 1, wherein the gap between the opening of the recess (15) and the protrusion (20) ranges in size from 0.5mm to 5 mm; and/or

The food processor comprises a plurality of containers (11), a plurality of containers (11) are alternatively assembled with the container covers (12), when the containers (11) are stacked up and down, the concave parts (15) of the containers (11) are overlapped in vertical direction, and the concave part (15) of the upper container (11) of two adjacent containers (11) is at least partially positioned in the concave part (15) of the lower container (11); and/or

A boss (24) is arranged on the bottom wall of the container (11) in an upward protruding mode, and the concave part (15) is arranged in the middle of the boss (24); and/or

The food processor (10) comprises a meat grinder.

10. The food processor of claim 1, wherein the stirring blade assembly (13) further comprises a stirring blade (18) connected with the stirring blade shaft (17), the stirring blade shaft (17) is provided with a stirring blade connecting portion (25), the stirring blade (18) is radially outwardly disposed from the stirring blade connecting portion (25), the protrusion portion (20) protrudes downwardly from the stirring blade connecting portion (25), and a vertical distance from a lowest point of the protrusion portion (20) to a lowest point of the stirring blade connecting portion (25) is greater than a depth of the recess portion (15).

11. The food processor of claim 10, wherein the difference between the vertical distance from the lowest point of the protrusion (20) to the lowest point of the stirring blade connecting part (25) and the depth of the recess (15) ranges from 0.5mm or more; and/or

The range of the vertical distance between the lowest point of the stirring knife (18) and the lowest point of the bulge (20) is more than or equal to 1.5 mm; and/or

The stirring knife connecting part (25) is radially and convexly arranged on the stirring knife shaft (17); and/or

The lowest point of the stirring knife (18) is higher than that of the stirring knife connecting part (25).

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