CN212037264U

CN212037264U - Stirring sword and cooking machine

Info

Publication number: CN212037264U
Application number: CN202020298911.8U
Authority: CN
Inventors: 曹代科; 陈飞帆; 刘苗; 张金睿; 邱锐杰; 吴波; 徐尧
Original assignee: Guangdong Midea Life Electric Manufacturing Co Ltd
Current assignee: Guangdong Midea Life Electric Manufacturing Co Ltd
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2020-12-01
Anticipated expiration: 2030-03-11

Abstract

The utility model discloses a stirring sword and cooking machine, wherein, the stirring sword includes installation department and an at least blade. This installation department is installed in a pivot, and this blade is located an installation side of installation department, a side of blade is the cutting edge, another side of blade is the back of a knife blade, the cutting edge deviates from the one end of installation department is sharp portion, the cutting edge has through the edging line of sword point portion, the definition has the central point of installation department and with installation side vertically straight line is the datum line on the rotation direction of blade, the edging line orientation the setting is extended in the place ahead of datum line. The utility model discloses technical scheme can improve crushing efficiency, noise reduction.

Description

Stirring sword and cooking machine

Technical Field

The utility model relates to a food processing field, concretely relates to stirring sword and cooking machine of using this stirring sword.

Background

The cooking machine is a machine driven by a motor to crush and extrude food, such as a wall-breaking cooking machine, a stirrer or a soybean milk machine.

In the mixing blade of the food processor in the related art, referring to fig. 1, the cutting line is generally extended toward the rear side in the rotation direction thereof, compared to the reference line (when the cutting edge is a straight line, the cutting edge itself is the cutting line, as shown in fig. 1, for example; when the cutting edge is an irregular shape, the cutting line is a general extending direction of the cutting edge. Thus, when the blade rotates, the blade can generate outward swinging movement of fluid by stirring, so that a hollow vortex is formed at the mounting part in the middle. Therefore, the crushing efficiency of the food materials is not high, and simultaneously, noise is easy to generate.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a stirring sword aims at improving crushing efficiency, noise reduction.

In order to achieve the above object, the utility model provides a food processor is applied to the stirring sword, and this stirring sword includes:

the mounting part is mounted on a rotating shaft; and

the blade is arranged on one mounting side edge of the mounting portion, one side edge of the blade is a cutting edge, the other side edge of the blade is a blade back, one end, deviating from the mounting portion, of the cutting edge is a blade tip portion, the cutting edge is provided with a cutting edge line passing through the blade tip portion, a straight line which passes through the center point of the mounting portion and is perpendicular to the mounting side edge is defined as a datum line, and the cutting edge line extends towards the front of the datum line in the rotating direction of the blade.

In an embodiment of the present invention, an included angle between the cutting edge line and the reference line is α, and a range value of α is: alpha is more than or equal to 10 degrees and less than or equal to 30 degrees.

The utility model discloses an in the embodiment, the cutting edge includes linkage segment and cutting segment, the one end of linkage segment with the installation side is connected, the cutting segment with the linkage segment deviates from the one end of installation side is connected, the cutting segment is and deviates from the circular-arc setting of the evagination of the back of a knife blade.

In an embodiment of the present invention, the connecting section faces the knife back to form a concave groove.

In an embodiment of the present invention, the blade is further provided with a spoiler notch, and one end of the spoiler notch is penetrated through the blade back.

In an embodiment of the present invention, the blade back is an arc-shaped configuration deviating from the outer protrusion of the cutting edge.

In an embodiment of the present invention, the stirring blade includes a plurality of blades, and defines the food processor has an up-down direction, one of the blades bends toward the upper side, and the other one bends toward the lower side.

In an embodiment of the present invention, the included angle between the blade and the mounting portion, which is bent upward, is β, and satisfies the following condition: beta is more than or equal to 20 degrees and less than or equal to 40 degrees.

In an embodiment of the present invention, the angle between the blade and the mounting portion, which is bent downward, is γ, and satisfies the following condition: gamma is more than or equal to 10 degrees and less than or equal to 30 degrees.

The utility model also provides a cooking machine, including the stirring sword, this stirring sword includes:

the mounting part is mounted on a rotating shaft; and

The utility model discloses technical scheme is through adopting the orientation of cutting edge line the place ahead of datum line is extended and is set up, also, and the blade is when rotating, and the fluid of part blade after the acting is eaten the material and can be assembled towards the center of installation department to make and eat the fluidic flow of material more chaotic, the fluid collides each other, consumes kinetic energy, rapid fall-back after rising participates in the breakage of next cycle, thereby improves crushing efficiency. Meanwhile, the fluid food materials can converge towards the center of the installation part, so that the impact of the food materials on the wall surface of the cup body can be weakened, the cup body is weakened to shake, and the noise is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a stirring knife in the prior art;

FIG. 2 is a schematic structural view of an embodiment of the stirring blade of the present invention;

FIG. 3 is a schematic structural view of a blade marked with an upward bending angle of the stirring knife in FIG. 1;

fig. 4 is a structural schematic diagram of a blade marked with a downward bending angle of the stirring blade in fig. 1.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a stirring sword 100 is applied to cooking machine (not shown).

Referring to fig. 2 to 4, in an embodiment of the present invention, the stirring blade 100 includes an installation portion 10 and at least one blade 30. The blade 30 and the mounting portion 10 may be of an integral structure, thereby enhancing the structural strength of the overall stirring blade 100. The mounting portion 10 may be plate-shaped or block-shaped. The mounting portion 10 is mounted on a shaft (not shown) which can be connected to a transmission shaft of a motor, and the shaft is driven by the motor to rotate so as to drive the blade 30 to rotate for cutting. The installation part 10 can also be provided with a rotating shaft hole 11, the hole wall of the rotating shaft hole 11 comprises an arc section and a limiting section, the arc section is connected with the limiting section end to end, and the rotating shaft is inserted into the rotating shaft hole 11 and is limited and fixed in the rotating shaft hole 11. That is, with the spindle hole 11 thus provided, the spindle is not relatively rotated after being inserted into the spindle hole 11. It will be appreciated that any non-circular arrangement of the shaft bore 11 is possible.

The blade 30 is disposed on a mounting side 13 of the mounting portion 10, one side of the blade 30 is a cutting edge 31, the other side of the blade 30 is a back 33, one end of the cutting edge 31 away from the mounting portion 10 is a cutting edge portion 31a, the cutting edge 31 has a cutting line 30a passing through the cutting edge portion 31a, a straight line which passes through a center point of the mounting portion 10 and is perpendicular to the mounting side 13 is a reference line 30b, and the cutting line 30a extends toward the front of the reference line 30b in the rotation direction of the blade 30.

The reference line 30b generally represents the overall extension direction of the insert 30, and the opening line 30a is the overall extension direction of the cutting edge 31. Thus, providing the opening line 30a extending rearward of the reference line 30b may cause the fluid food material to converge toward the center after rotational whipping. The edge line 30a in fig. 2 is a connecting line between the end point of the edge portion 31a and the center point of the mounting portion 10.

The utility model discloses technical scheme is through adopting the place ahead extension setting of going edge line 30a towards datum line 30b, also, and blade 30 is when rotating, and the fluid of part blade 30 after doing work is eaten the material and can be assembled towards the center of installation department 10 to make and eat the fluidic flow of material more chaotic, the fluid collides each other, consumes kinetic energy, rapid fall-back after rising participates in the breakage of next cycle, thereby improves crushing efficiency. Meanwhile, the fluid food materials converge towards the center of the mounting part 10, so that the impact of the food materials on the wall surface of the cup body is weakened, the cup body shaking is weakened, and the noise is reduced.

Experimental data comparison table

By combining the experimental data comparison table referred to above, when the sharpening line is set forward, the soybean milk residue rate in 17 minutes is far lower than that of the existing blade backward tilting scheme, and the whipping effect is twice better than that of the existing scheme. In addition, the carrot residue in 1 minute is only one sixth of the existing scheme (retroversion scheme), so that the food material processing effect of the food processor is greatly improved.

Referring to fig. 2, in an embodiment of the present invention, an included angle between the sharpening line 30a and the reference line 30b is α, and a range value of α is: alpha is more than or equal to 10 degrees and less than or equal to 30 degrees.

The included angle between the cutting edge line 30a and the reference line 30b is not too large, and if the included angle is too large and exceeds 30 degrees, the forward inclination angle is too large, so that the blade 30 is subjected to too high load during rotary beating, and the blade 30 is easy to break. The angle less than 10 degrees produces less obvious fluid convergence effect, so the setting of 10 degrees alpha less than 30 degrees, such as 10 degrees, 15 degrees, 17 degrees, 20 degrees, 25 degrees, 30 degrees.

With further combined reference to fig. 2, in an embodiment of the present invention, the cutting edge 31 includes a connection section 311 and a cutting section 313, one end of the connection section 311 is connected with the installation side 13, the cutting section 313 is connected with one end of the connection section 311 deviating from the installation side 13, and the cutting section 313 is in a circular arc shape of the outer protrusion deviating from the blade back 33.

The cutting section 313 is arc-shaped and protrudes outwards, so that a part of food materials can be gathered towards the center along an arc, and a part of food materials can be thrown out along the rotating center, so that the noise can be reduced, the crushing efficiency can be improved, the load on the blade 30 can be reduced, and the cutting section can be combined with the scheme to produce a more optimized effect. Of course, the cutting segment 313 may also be provided as a curved segment or as an inwardly concave arc.

Further, the connecting section 311 is recessed toward the blade back 33 to form a recess 311 a. The arrangement of the groove 311a can play a role in yielding the fluid food material and reducing the load and turbulence of the blade 30. The fluid food material is convenient to gather towards the center.

Referring to fig. 2, in an embodiment of the present invention, the blade 30 is further provided with a turbulent flow notch 331, and one end of the turbulent flow notch 331 is disposed to penetrate through the blade back 33.

When the blade 30 moves in the fluid, a large part of the resistance comes from the pressure difference resistance caused by the separation of the boundary layer on the surface of the blade 30. The spoiler notch 331 is arranged at the knife back 33, small vortexes are generated at different positions of a flow surface by arranging irregular spoilers, and suction is generated on nearby fluid, so that separation of a boundary layer is delayed, and pressure difference resistance is reduced, on one hand, flow separation points of the knife back 33 are dispersed through the spoiler notch 331, and resistance and load of the blade 30 are reduced, on the other hand, the weight of the blade 30 at the position with the maximum moment is reduced, and the risk of fracture of the blade 30 is reduced.

Further, the blade back 33 is provided in an arc shape protruding outward away from the blade 31. The arc-shaped knife back 33 can reduce the fluid resistance, so that the fluid can better realize the boundary layer separation through the turbulent flow notch 331 when passing through the knife back 33, and the risk of the blade 30 fracture is further reduced.

Referring to fig. 2 to 4, in an embodiment of the present invention, the stirring blade 100 includes a plurality of blades 30, which define the food processor to have an up-down direction, wherein one of the blades 30 is bent upward, and one of the blades 30 is bent downward.

By bending at least one blade 30 upward, a blade 30 is bent downward. The probability of contact of the food with the cutting edge 31 of the blade 30 can be increased, and the efficiency of crushing the food can be enhanced. The stirring blade 100 includes a plurality of blades 30, and the plurality of blades 30 are uniformly arranged at intervals in the circumferential direction of the mounting portion 10. The stirring blade 100 may include 2-blade, 3-blade, 4-blade, 5-blade, and 6-blade blades 30, and when a plurality of blades 30 are provided, the blades may be uniformly spaced to increase crushing efficiency.

Referring to fig. 3, in an embodiment of the present invention, an included angle between the upward bent blade 30 and the mounting portion 10 is β, which satisfies the following condition: beta is more than or equal to 20 degrees and less than or equal to 40 degrees.

The contained angle between blade 30 and the installation department 10 of upwards bending should not be too big, and the angle of bending is too big to exceed 40 degrees at the rotatory in-process of beating of stirring, and blade 30 receives the thrust of vertical direction easily to make the whole risk of empting and rocking that produces easily of cooking machine. If the bending angle is too small and is lower than 20 degrees, the whipping space is smaller, and the whipping efficiency is lower. Thus, 20 ° ≦ β ≦ 40 °, e.g., 20 °, 25 °, 30 °, 33 °, 35 °, 40 °.

With reference to fig. 4, further, an included angle between the downward bent blade 30 and the mounting portion 10 is γ, and the condition is satisfied: gamma is more than or equal to 10 degrees and less than or equal to 30 degrees. The angle of the downward bent blade 30 can be matched with the upward bent blade 30, the downward bent angle is over 30 degrees, interference is easy to be generated with the cup bottom wall of the cup body, and meanwhile, the installation space is increased. If the bending angle is too small and is less than 20 degrees, the beating efficiency is low. Thus, 10 ° ≦ γ ≦ 30 °, e.g., 10 °, 15 °, 17 °, 20 °, 25 °, 30 °.

The utility model discloses still provide a cooking machine (not shown), this cooking machine includes stirring sword 100, and this stirring sword 100's concrete structure refers to above-mentioned embodiment, because this cooking machine has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a stirring sword is applied to cooking machine, its characterized in that, the stirring sword includes:

the mounting part is mounted on a rotating shaft; and

2. The stirring blade according to claim 1, wherein the angle between the cutting edge line and the reference line is α, and the range of α is: alpha is more than or equal to 10 degrees and less than or equal to 30 degrees.

3. The stirring knife according to claim 1, wherein the cutting edge comprises a connecting section and a cutting section, one end of the connecting section is connected with the mounting side edge, the cutting section is connected with one end of the connecting section, which is away from the mounting side edge, and the cutting section is in an arc shape which is away from the convex part of the knife back.

4. The stirring blade according to claim 1, wherein said connecting portion is recessed toward said blade back to form a recess.

5. The stirring blade as in any one of claims 1 to 4, wherein the blade further comprises a turbulence notch, and one end of the turbulence notch extends through the blade back.

6. The stirring blade according to claim 5, wherein said blade back is convexly curved away from said cutting edge.

7. The stirring blade as claimed in any one of claims 1 to 4, wherein the stirring blade comprises a plurality of blades defining the food processor to have an up-down direction, wherein one of the blades is bent upward, and wherein one of the blades is bent downward.

8. The stirring knife according to claim 7, wherein the angle between the blade bent upwards and the mounting part is β, which satisfies the condition: beta is more than or equal to 20 degrees and less than or equal to 40 degrees.

9. The stirring blade according to claim 7, wherein an included angle between the blade bent downward and the mounting portion is γ, and the condition: gamma is more than or equal to 10 degrees and less than or equal to 30 degrees.

10. A food processor characterized by comprising the stirring blade according to any one of claims 1 to 9.