Stirring knife, stirring knife assembly and food processor

Abstract

The utility model provides a stirring knife, a stirring knife assembly and a food processor. The stirring knife comprises a mounting part and a blade extending outwards from the mounting part, the cutting side of the blade comprises a plurality of step parts which are sequentially concavely arranged from inside to outside in the extending direction of the blade, and each step part comprises a sharp edge part close to the mounting part and a blunt edge part far away from the mounting part. Due to the fact that the cutting side of the blade comprises the multiple step parts formed by sequentially concavely arranging from inside to outside, the end, close to the installation part, of each step part is provided with the sharp edge part, and the end, away from the installation part, of each step part is provided with the blunt edge part, the risk that the blade cuts hands can be reduced, and use is safer.

Description

Technical Field

[0001] The present application relates to the field of food processing, and in particular to a stirring knife, a stirring knife assembly and a food processor. Background Art

[0002] As people's living standards continue to improve, many different types of food processors have appeared on the market. The functions of food processors may mainly include, but are not limited to, making soy milk, squeezing juice, mincing meat, shaved ice, making coffee and / or preparing facial masks. Food processors, such as meat grinders, include food container and a mixing blade disposed in the food container, and the mixing blade is prone to hurting hands. Utility Model Content

[0003] The purpose of the present application is to provide a blending knife, a blending knife assembly and a food processor, which reduce the risk of hand injury and are safer to use.

[0004] On the one hand, the present application provides a mixing knife. The mixing knife includes a mounting portion and a blade extending outward from the mounting portion, and the cutting side of the blade includes a plurality of step portions that are recessed in sequence from the inside to the outside along the extension direction of the blade, and the plurality of step portions respectively include a sharp edge portion close to the mounting portion and a blunt edge portion away from the mounting portion. Since the cutting side of the blade includes a plurality of step portions that are recessed in sequence from the inside to the outside along the extension direction of the blade, and one end of each step portion close to the mounting portion is set as a sharp edge portion, and one end away from the mounting portion is set as a blunt edge portion, compared with a mixing knife with sharp edges on both cutting sides, the risk of cutting hands can be reduced and it is safer to use.

[0005] Furthermore, the blade extends outward from the mounting portion in an arc shape, so that the blunt edge portion of each step portion is always located at the outermost side of the blade, and the user can only touch the blunt edge portion but not the sharp edge portion during use, thereby effectively preventing the blade from cutting the user's hand, and making the use safer.

[0006] Furthermore, the thickness of the blunt edge portion is greater than or equal to 0.1 mm. In this way, it can be more reliably ensured that the blunt edge portion will not cut the user's hand, and the safety is better.

[0007] Furthermore, the blunt blade portion is connected to the sharp blade portion through a rounded corner, so that the blunt blade portion is smoother and less likely to hurt the user's hand, thereby providing better safety.

[0008] Furthermore, the radius of the fillet is between 1 mm and 3 mm, so that the blunt edge portion is less likely to injure the hand, and the safety is better.

[0009] Furthermore, the length of the sharp blade portion is less than 8 mm, that is, the length of the sharp blade portion is less than the width of the little finger, thereby better preventing the user's finger from contacting the sharp blade portion, and providing better safety.

[0010] Furthermore, the length of the sharp edge portion is greater than the length of the blunt edge portion, so that the blade has a sufficient cutting length, thereby ensuring the cutting effect of the stirring knife.

[0011] Furthermore, the distance between two adjacent sharp edge portions is between 1 mm and 3 mm, so that the overall structure of the blade is more compact and the contact between fingers and the sharp edge portions can be better avoided.

[0012] Furthermore, the mixing blade comprises two blades, and the two blades are arranged oppositely on both sides of the mounting portion, so that the mixing blade has a simple structure and high crushing efficiency.

[0013] Furthermore, the sharpness of the blunt blade portion is greater than 20 Newtons, and the sharpness of the sharp blade portion is between 1 Newton and 12 Newtons. In this way, on the one hand, the sharp blade portion is ensured to have sufficient sharpness to crush the food, and on the other hand, the blunt blade portion is ensured not to cut the hand.

[0014] On one hand, the present application provides a stirring knife assembly, which includes a knife shaft and a stirring knife as described above, wherein the stirring knife is arranged on the knife shaft.

[0015] On the one hand, the present application provides a food processor, which includes: a food container, including a container body and a container cover covered on the container body; a main unit; and a stirring knife assembly as described above, which is arranged in the food container and driven by the main unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Shown is a cross-sectional view of an embodiment of the food processor of the present application;

[0017] Figure 2 The figure shows a three-dimensional exploded view of an embodiment of the food processor of the present application;

[0018] Figure 3 Shown Figure 1 A front view of the mixing blade shown;

[0019] Figure 4 Shown Figure 3 A side view of the mixing blade is shown;

[0020] Figure 5 Shown Figure 4 An enlarged view of point A is shown. DETAILED DESCRIPTION

[0021] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are merely examples of devices consistent with some aspects of the present application as detailed in the appended claims.

[0022] The terms used in this application are only for the purpose of describing specific embodiments and are not intended to limit this application. Unless otherwise defined, the technical terms or scientific terms used in this application should be understood by people with ordinary skills in the field to which the present invention belongs. The similar words such as "one" or "one" used in this application specification and claims do not indicate a quantitative limitation, but indicate that there is at least one. The similar words such as "include" or "include" mean that the elements or objects appearing in front of "include" or "include" cover the elements or objects listed after "include" or "include" and their equivalents, and do not exclude other elements or objects. The similar words such as "connect" or "connected" are not limited to physical or mechanical connections, and can include electrical connections, whether direct or indirect. The singular forms of "one", "said" and "the" used in this application specification and the attached claims are also intended to include plural forms, unless the context clearly indicates other meanings. It should also be understood that the term "and / or" used in this article refers to and includes any or all possible combinations of one or more associated listed items.

[0023] The food processor 100 may be a blender, a juicer, a wall breaking machine, a cooking machine, a soymilk machine, a meat grinder, etc.

[0024] See also Figures 1 to 5 The food processor 100 includes a food container 40, a main unit 50 and a stirring blade assembly. The food container 40 is used to place food such as meat and vegetables, and the food container 40 includes a container body 41 and a container cover 42 covered on the container body 41.

[0025] In the illustrated embodiment, the host 50 is disposed on the container cover 42, the stirring blade assembly is disposed in the food container 40, and the stirring blade assembly is driven by the host 50. The stirring blade assembly includes a blade shaft 30 and a stirring blade 35, and the stirring blade 35 is disposed on the blade shaft 30. The host 50 includes a housing 51 and a motor 52 disposed in the housing 51, and the motor shaft of the motor 52 is connected to the blade shaft 30 of the stirring blade assembly. The stirring blade assembly is used to whip and crush the food in the food container 40.

[0026] The mixing knife 35 includes a mounting portion 10 and a blade 20 extending outward from the mounting portion 10. The cutting side of the blade 20 includes a plurality of step portions 21 that are concavely arranged in sequence from the inside to the outside along the extending direction of the blade 20. Here, "from the inside to the outside" refers to the end of the blade 20 close to the mounting portion 10 to the end of the blade 20 away from the mounting portion 10. The plurality of step portions 21 respectively include a sharp blade portion 211 close to the mounting portion 10 and a blunt blade portion 212 away from the mounting portion 10. The sharp blade portion 211 has a higher sharpness than the blunt blade portion 212. The sharp blade portion 211 is used to cut and crush the food, while the blunt blade portion 212 cannot cut and crush the food. Specifically, the mounting portion 10 is annular, and the mounting portion 10 is sleeved and fixed to the knife shaft 30. The mixing knife 35 may include 1, 2, 3 or 4 blades 20, and is not limited thereto. The shape of the blade 20 may be arc-shaped or straight-line-shaped, and is not limited thereto.

[0027] Since the cutting side of the blade 20 includes a plurality of step portions 21 which are recessed in sequence from the inside to the outside, and each step portion 21 is provided with a sharp blade portion 211 at one end close to the mounting portion 10 and a blunt blade portion 212 at the other end away from the mounting portion 10, compared with a mixing knife with sharp blades on both cutting sides, it can reduce the risk of cutting hands and is safer to use.

[0028] Furthermore, the blade 20 extends outward from the mounting portion 10 in an arc shape, so that the blunt edge portion 212 of each step portion 21 is located at the outermost side of the blade 20, that is, the blunt edge portion 212 of each step portion 21 is located at the outer side compared with its sharp edge portion 211, and the sharp edge portion 211 is located in the recessed space formed by the step portion. During use, the user can only touch the blunt edge portion 212 but not the sharp edge portion 211, thereby effectively preventing the blade 20 from cutting the user's hand, making it safer to use.

[0029] Preferably, the thickness w of the blunt edge portion 212 is greater than or equal to 0.1 mm. In this way, it can be more reliably ensured that the blunt edge portion 212 will not cut the user's hand, and the safety is better.

[0030] In some embodiments, the thickness w of the blunt edge portion 212 may be 0.1 mm, 0.2 mm, 0.3 mm, 0.4 mm, 0.5 mm, 0.6 mm, or a value between any two adjacent values ​​thereof, and is not limited thereto.

[0031] In the illustrated embodiment, the blunt edge portion 212 is connected to the sharp edge portion 211 through a rounded corner. In this way, the blunt edge portion 212 is smoother, less likely to hurt the user's hand, and has better safety.

[0032] Preferably, the radius of the fillet is between 1 mm and 3 mm, so that the blunt edge portion 212 is less likely to injure the hand and is safer.

[0033] In some embodiments, the radius of the rounded corner may be 1 mm, 1.5 mm, 2 mm, 2.5 mm, 3 mm, or a value between any two adjacent values ​​thereof.

[0034] Preferably, the length of the sharp blade portion 211 is less than 8 mm. That is to say, the length of the sharp blade portion 211 is less than the width of the little finger, so that the user's finger can be better prevented from contacting the sharp blade portion 211, and safety is better.

[0035] Preferably, the length of the sharp edge portion 211 is greater than the length of the blunt edge portion 212. In this way, the blade has a sufficient cutting length, thereby ensuring the cutting effect of the stirring knife.

[0036] In some embodiments, the length of the sharp edge portion 211 may be 7.9 mm, 7 mm, 6 mm, 5 mm, 4 mm, 3 mm, or a value between any two adjacent values ​​thereof, and is not limited thereto.

[0037] The distance between two adjacent sharp edge portions 211 is between 1 mm and 3 mm, so that the overall structure of the blade 20 is more compact and the contact between the fingers and the sharp edge portion 211 can be better avoided.

[0038] In some embodiments, the distance between two adjacent sharp edge portions 211 may be 1 mm, 1.5 mm, 2 mm, 2.5 mm, 3 mm, or a value between any two of the above adjacent distances, and is not limited thereto.

[0039] In the illustrated embodiment, the mixing blade 35 includes two blades 20, and the two blades 20 are disposed oppositely on both sides of the mounting portion 10. In this way, the mixing blade 35 has a simple structure and high crushing efficiency.

[0040] Preferably, the sharpness of the blunt edge portion 212 is greater than 20 Newtons, and the sharpness of the sharp edge portion 211 is between 1 Newton and 12 Newtons. In this way, on the one hand, the sharp edge portion 211 is ensured to have sufficient sharpness to crush the food, and on the other hand, the blunt edge portion 212 is ensured not to cut the hand. In one embodiment, the sharpness of the blunt edge portion 212 and the sharp edge portion 211 are determined by a 0.3 mm fishing line experiment.

[0041] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application.

Claims

1. A stirring blade, characterized in that: The utility model comprises a mounting portion (10) and a blade (20) extending outward from the mounting portion (10); the cutting side of the blade (20) comprises a plurality of step portions (21) which are concavely arranged in sequence from the inside to the outside along the extending direction of the blade (20); the plurality of step portions (21) respectively comprise a sharp edge portion (211) close to the mounting portion (10) and a blunt edge portion (212) away from the mounting portion (10).

2. The stirring blade according to claim 1, characterized in that: The blade extends outward from the mounting portion (10) in an arc shape.

3. The stirring blade according to claim 1, characterized in that: The thickness of the blunt edge portion (212) is greater than or equal to 0.1 mm; and / or the blunt edge portion (212) is connected to the sharp edge portion (211) via a rounded corner.

4. The stirring blade according to claim 3, characterized in that: The radius of the fillet is between 1 mm and 3 mm.

5. The stirring blade according to claim 1, characterized in that: The length of the sharp edge portion (211) is less than 8 mm; or the length of the sharp edge portion (211) is greater than the length of the blunt edge portion (212).

6. The stirring blade according to claim 1, characterized in that: The distance between two adjacent sharp edge portions (211) is between 1 mm and 3 mm.

7. The stirring blade according to claim 1, characterized in that: The stirring blade comprises two blades (20), and the two blades (20) are arranged oppositely on two sides of the mounting portion (10).

8. The stirring blade according to claim 1, characterized in that: The sharpness of the blunt edge portion (212) is greater than 20 Newtons, and the sharpness of the sharp edge portion (211) is between 1 Newton and 12 Newtons.

9. A stirring blade assembly, characterized in that: It comprises a blade shaft (30) and a stirring blade according to any one of claims 1 to 8, wherein the stirring blade is arranged on the blade shaft (30).

10. A food processor, characterized in that: It includes: A food container (40) comprises a container body (41) and a container cover (42) disposed on the container body (41); Host (50); and The stirring blade assembly as described in claim 9 is arranged in the food container (40), and the stirring blade assembly is driven by the main machine (50).

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