Stirring knife assembly and food processor

Abstract

The utility model provides a stirring knife assembly and a food processor. The stirring blade assembly comprises a rotating shaft; the cutter assembly is detachably installed on the rotating shaft, the cutter assembly comprises a cutter sleeve, a blade and an elastic ring, the blade is fixed to the cutter sleeve, the cutter sleeve comprises a through hole allowing the rotating shaft to penetrate through, the elastic ring is installed on the cutter sleeve, the elastic ring is made of a sealing material, and the elastic ring comprises an elastic abutting part inwards protruding out of the inner wall of the through hole; the rotating shaft comprises a driving section, the driving section comprises a plurality of convex edges extending in the vertical direction, the convex edges gradually deflect in the circumferential direction of the driving section, the cutter sleeve or the blade is provided with a driving hole matched with the driving section, the driving hole comprises a plurality of convex corners vertically extending in the vertical direction, and elastic acting force is inwards applied to the rotating shaft through the elastic abutting part. Therefore, the knife assembly is limited on the rotating shaft. In this way, the cutter assembly can be conveniently detached to be cleaned, and the cutter assembly can be prevented from falling off during slurry pouring.

Description

TECHNICAL FIELD

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

[0002] With the increasing of people's living standards, there are many different types of food processors on the market. The functions of the food processor mainly can include, but not limited to, making soy milk, juicing, making rice paste, mincing meat, shaving ice, making coffee and / or blending mask, etc. The food processor can include a soy milk maker, a blender or a blender, etc. The machine for crushing and stirring food. In order to facilitate the cleaning of the food processor, part of the existing food processor assembles the blade assembly on the shaft in a detachable manner, and after the use of the food processor, the blade assembly can be disassembled for cleaning, but when the food material slurry in the stirring cup assembly is poured out, the blade assembly is easy to fall down. CONTENT OF THE UTILITY MODEL

[0003] The present application provides a stirring blade assembly and a food processor, which can conveniently disassemble the blade assembly for cleaning, and the blade assembly is not easy to fall down during pouring.

[0004] The present application provides a stirring blade assembly. The stirring blade assembly comprises a shaft and a blade assembly detachably mounted on the shaft. The blade assembly comprises a blade sleeve, a blade and an elastic ring. The blade is fixed to the blade sleeve. The blade sleeve comprises a through hole for the shaft to pass through. The elastic ring is mounted on the blade sleeve. The elastic ring is made of a sealing material, and the elastic ring comprises an elastic pressing part protruding inwardly from the inner wall of the through hole. The shaft comprises a driving section. The driving section comprises a plurality of convex edges extending in the upward and downward directions. The plurality of convex edges are gradually deflected along the circumferential direction of the driving section. The blade sleeve or the blade is provided with a driving hole matched with the driving section. The driving hole comprises a plurality of convex corners vertically extending in the upward and downward directions. The elastic pressing part applies an elastic force inwardly to the shaft, thereby limiting the blade assembly on the shaft. Since the blade assembly is detachably mounted on the shaft, when the stirring cup assembly needs to be cleaned after use, the user can disassemble the blade assembly for thorough cleaning. In this way, the stirring cup assembly no longer has a dead angle that cannot be cleaned, effectively preventing bacteria from breeding and producing odor. At the same time, the elastic pressing part applies an elastic force inwardly to the shaft, thereby limiting the blade assembly on the shaft. In this way, the blade assembly can be prevented from falling down during pouring.

[0005] Preferably, the blade assembly comprises a mounting cap assembled with the blade sleeve. The elastic ring is clamped between the mounting cap and the blade sleeve. In this way, the limitation of the elastic ring is more reliable and the assembly is convenient.

[0006] Preferably, the elastic ring comprises a main body clamped between the mounting cap and the cutter sleeve, and the elastic pressing part extends radially inward from the main body. In this way, the main body is clamped between the mounting cap 39 and the cutter sleeve, so that the elastic ring can be reliably limited.

[0007] Preferably, a groove is arranged at the upper end of the elastic pressing part close to the main body. During the installation of the cutter assembly on the rotating shaft, the elastic pressing part is deformed outward under pressure, and the groove provides space for the deformation of the elastic pressing part, so that the cutter assembly can be more labor-savingly installed on the rotating shaft.

[0008] Preferably, the width of the groove is between 0.5 mm and 2 mm. In this way, the groove can provide sufficient space for the deformation of the elastic pressing part.

[0009] Preferably, the elastic pressing part comprises a lip part in abutting engagement with the rotating shaft and a guide part below the lip part. When the cutter assembly is installed on the rotating shaft, the guide part can guide the cutter assembly, making assembly more convenient.

[0010] Preferably, the height of the lip part is between 0.5 mm and 2 mm; in this way, the lip part can be more closely engaged with the rotating shaft, so that the elastic pressing part exerts sufficient elastic force on the rotating shaft inward, thereby more reliably limiting the cutter assembly on the rotating shaft.

[0011] Preferably, the guide part comprises a guide cone surface, and the included angle between the guide cone surface and the horizontal plane is between 25 degrees and 88 degrees. In this way, the guide part can have a better guiding effect.

[0012] Preferably, the thickness of the guide part is between 0.8 mm and 2 mm. In this way, the guide part has good strength.

[0013] Preferably, the rotating shaft comprises a cylindrical boss at the top end, the elastic pressing part is annular, and the elastic pressing part is in abutting engagement with the boss. In this way, the engagement between the elastic pressing part and the boss is more closely.

[0014] Preferably, the boss is provided with a recess for engaging with the elastic pressing part. In this way, the elastic pressing part is clamped in the recess, and the cutter assembly is less likely to fall off the rotating shaft during the pouring of the slurry.

[0015] One aspect of the present application provides a food processor. The food processor comprises: a main machine; a stirring cup assembly installed on the main machine, the stirring cup assembly comprising a stirring cup and a bottom disc fixed to the bottom of the stirring cup; a stirring cutter assembly as described above arranged at the bottom of the stirring cup, wherein the rotating shaft passes through the bottom disc, and a bearing sleeve and a bearing are arranged between the rotating shaft and the bottom disc; and a cup cover assembly covering the stirring cup assembly. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 Figure 1 shows a cross-sectional view of one embodiment of the food processor of the present application;

[0017] Figure 2 Figure 2 shows a perspective view of the food processor of Figure 1 ; Figure 1 Figure 3 shows a side view of the stirring blade assembly of Figure 1 ;

[0018] Figure 3 Figure 4 shows a perspective view of the stirring blade assembly of Figure 1 ; Figure 2 Figure 5 shows a perspective view of the blade assembly of Figure 1 ;

[0019] Figure 4 Figure 6 shows a perspective view of the blade assembly of Figure 1 ; Figure 3 Figure 7 shows an exploded view of the blade assembly of Figure 1 ;

[0020] Figure 5 Figure 8 shows a cross-sectional view of the blade assembly of Figure 1 ; Figure 1 Figure 9 shows a cross-sectional view of another embodiment of the stirring blade assembly of the present application;

[0021] Figure 6 Figure 10 shows a cross-sectional view of another embodiment of the stirring blade assembly of the present application; Figure 5 Figure 11 shows a magnified view of area A of Figure 1 ;

[0022] Figure 7 Figure 12 shows a magnified view of area B of Figure 1 ; Figure 8 Figure 13 shows a cross-sectional view of two embodiments of the resilient ring of the present application; Figure 6

[0023] Figure 14 shows a cross-sectional view of another embodiment of the stirring blade assembly of the present application; Figure 9 Figure 1 Figure 15 shows a cross-sectional view of another embodiment of the stirring blade assembly of the present application;

[0024] Figure 10 Figure 9 Figure 16 shows a magnified view of area B of Figure 14. DETAILED DESCRIPTION

[0025] The exemplary embodiments will be described in detail in this disclosure with reference to the drawings. Whenever the shapes, relative positions and other aspects of the parts described in the exemplary embodiments are not clearly defined, the scope of the application should not be construed to be limited only to the parts shown in the drawings. The following exemplary embodiments described in this disclosure are merely examples and do not represent all of the aspects of the present application. Rather, they are merely examples of devices consistent with some aspects of the present application, as described in the appended claims.

[0026] ​​The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. Unless otherwise defined, all terms of art used herein have the same meaning as commonly used by one of ordinary skill in the art in the field of the application. As used in the description of the application and the appended claims, the singular forms "a", "an" and "the" are intended to include plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising", or "includes" and / or "including" when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0027] Referring to Figures 1 to 10 The food processor 100 can be used to make soy milk, rice paste, and juice, etc. The food processor 100 comprises a main machine 50, a stirring cup assembly 60, and a cup cover assembly 70. The stirring cup assembly 60 is installed on the main machine 50, and the cup cover assembly 70 is arranged on the stirring cup assembly 60. The main machine 50 comprises a housing 51 and a motor 52 arranged in the housing 51.

[0028] The stirring cup assembly 60 comprises a stirring cup 10 and a bottom plate 21 fixed on the bottom of the stirring cup 10. A stirring blade assembly is arranged on the bottom of the stirring cup 10, and the stirring blade assembly comprises a rotating shaft 22 and a blade assembly 30. The rotating shaft 22 penetrates the bottom plate 21, and a bearing sleeve 23 and a bearing 24 are arranged between the rotating shaft 22 and the bottom plate 21. A bearing 24 and an oil seal 26 are arranged between the rotating shaft 22 and the bearing sleeve 23. In an embodiment, the stirring cup 10 comprises a cup body and a cup seat assembled on the bottom of the cup body, and the bottom plate 21 is fixed between the cup body and the cup seat. The cup body and the cup seat are assembled together by threads or screw caps, and are not limited thereto. The bottom plate 21 is provided with electronic components such as a heating element (not labeled), a temperature controller (not labeled), and a temperature sensor (not labeled). The heating element is used to heat the food materials in the stirring cup 10.

[0029] The knife assembly 30 is detachably mounted on the rotating shaft 22, and comprises a knife sleeve 31, a knife blade 32 and an elastic ring 33. The knife blade 32 is fixed on the knife sleeve 31, the knife sleeve 31 comprises a through hole 317 for the rotating shaft 22 to pass through, and the elastic ring 33 is mounted on the knife sleeve 31. The elastic ring 33 is made of a sealing material, and the elastic ring 33 comprises an elastic pressing portion 331 protruding inwardly from the inner wall of the through hole 317. The knife sleeve 31 comprises a first knife sleeve 311 and a second knife sleeve 312 assembled with the first knife sleeve 311, and the knife blade 32 is clamped between the first knife sleeve 311 and the second knife sleeve 312.

[0030] The rotating shaft 22 comprises a driving section 220, the driving section 220 comprises a plurality of convex edges 221 extending in the up-down direction, and the plurality of convex edges 221 gradually deflect along the circumferential direction of the driving section 220. The knife sleeve 31 or the knife blade 32 is provided with a driving hole 328 matched with the driving section 220, the driving hole 328 comprises a plurality of convex angles 321 extending vertically in the up-down direction, and the elastic pressing portion 331 applies an elastic force inwardly to the rotating shaft 22, so as to limit the knife assembly 30 on the rotating shaft 22.

[0031] Since the knife assembly 30 is detachably mounted on the rotating shaft 22, when the stirring cup assembly 60 needs to be cleaned after use, the user can detach the knife assembly 30 for thorough cleaning. In this way, the stirring cup assembly 60 no longer has a dead angle that cannot be cleaned, effectively avoiding the growth of bacteria and the generation of odor. At the same time, since the elastic pressing portion 331 applies an elastic force inwardly to the rotating shaft 22, so as to limit the knife assembly 30 on the rotating shaft 22, the knife assembly 30 can be prevented from falling down when pouring the liquid.

[0032] In the illustrated embodiment, the knife assembly 30 comprises a mounting cap 39 assembled with the knife sleeve 31, and the elastic ring 33 is clamped between the mounting cap 39 and the knife sleeve 31. In this way, the limitation of the elastic ring 33 is more reliable, and the assembly is convenient. The mounting cap 39 can be assembled with the knife sleeve 31 by welding, threaded connection or the like.

[0033] The elastic ring 33 comprises a main body portion 330 clamped between the mounting cap 39 and the knife sleeve 31, and the elastic pressing portion 331 extends radially inwardly from the main body portion 330. In this way, the main body portion 330 is clamped between the mounting cap 39 and the knife sleeve 31, so as to reliably limit the elastic ring 33. The main body portion 330 is arranged in a ring shape.

[0034] In the illustrated embodiment, the upper end of the elastic pressing part 331 is provided with a groove 333 near the main body part 330. In the process of installing the cutter assembly 30 on the rotating shaft 22, the elastic pressing part 331 is pressed to deform outward, and the groove 333 provides space for the deformation of the elastic pressing part 331, so that the cutter assembly 30 can be installed on the rotating shaft 22 more easily.

[0035] Preferably, the width C of the groove 333 is between 0.5 mm and 2 mm. In this way, the groove 333 can provide sufficient space for the deformation of the elastic pressing part 331. In some embodiments, the width C of the groove 333 can be 0.5 mm, 1 mm, 1.5 mm, 2 mm, or a value between any two adjacent values.

[0036] The elastic pressing part 331 includes a lip part 334 that presses against the rotating shaft 22 and a guide part 335 located below the lip part 334. When installing the cutter assembly 30 on the rotating shaft, the guide part 335 can guide the cutter assembly 30, making assembly more convenient. Please refer to Figure 6 The elastic ring 33 also includes a recess 339 provided below the elastic pressing part 331. Please refer to Figure 7 The elastic ring 33 does not have a recess below the elastic pressing part 331.

[0037] The height D of the lip part 334 is between 0.5 mm and 2 mm. In this way, the lip part 334 can be more closely matched with the rotating shaft 22, so that the elastic pressing part 331 can exert sufficient elastic force on the rotating shaft 22 inwardly, thereby more reliably limiting the cutter assembly 30 on the rotating shaft 22. In some embodiments, the height of the lip part 334 can be 0.5 mm, 1 mm, 1.5 mm, 2 mm, or a value between any two adjacent values.

[0038] The guide part 335 includes a guide cone surface 336, and the included angle A between the guide cone surface 336 and the horizontal plane is between 25 degrees and 88 degrees. In this way, the guide part 335 can have a better guiding effect. The included angle between the guide cone surface 336 and the horizontal plane can be 25 degrees, 30 degrees, 40 degrees, 50 degrees, 60 degrees, 70 degrees, 80 degrees, 88 degrees, or a value between any two adjacent values.

[0039] Preferably, the thickness B of the guide part 335 is between 0.8 mm and 2 mm. In this way, the guide part 335 has good strength. In some embodiments, the thickness of the guide part 335 can be 0.8 mm, 1.2 mm, 1.6 mm, 2 mm, or a value between any two adjacent values.

[0040] The rotating shaft 22 comprises a cylindrical boss 229 at the top end, and the elastic pressing part 331 is arranged in a ring shape and is in pressing cooperation with the boss 229. In this way, the cooperation between the elastic pressing part 331 and the boss 229 is more compact.

[0041] The boss 229 is provided with a recess 2291 which cooperates with the elastic pressing part 331. In this way, the elastic pressing part 331 is clamped into the recess 2291, and the cutter assembly 30 is less likely to fall off the rotating shaft 22 during the back flushing.

[0042] The above only describes the preferred embodiments of the present application and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A stirring blade assembly, characterized by It includes: A rotating shaft (22); and A knife assembly (30) detachably mounted on the rotating shaft (22), the knife assembly (30) comprising a knife sleeve (31), a knife blade (32) and an elastic ring (33), the knife blade (32) being fixed to the knife sleeve (31), the knife sleeve (31) comprising a through hole (317) for the rotating shaft (22) to pass through, and the elastic ring (33) being mounted on the knife sleeve (31), the elastic ring (33) being made of a sealing material, and the elastic ring (33) comprising an elastic pressing portion (331) protruding inwardly from the inner wall of the through hole (317); Wherein, the rotating shaft (22) comprises a driving section (220), the driving section (220) comprises a plurality of convex edges (221) extending in the up-down direction, and the plurality of convex edges (221) are gradually deflected along the circumference of the driving section (220), the knife sleeve (31) or the knife blade (32) is provided with a driving hole (328) matched with the driving section (220), the driving hole (328) comprises a plurality of convex corners (321) vertically extending in the up-down direction, and the elastic pressing portion (331) is used to apply an elastic force inwardly to the rotating shaft (22), so as to limit the knife assembly (30) on the rotating shaft (22).

2. The mixing blade assembly of claim 1, wherein: The knife assembly (30) comprises a mounting cap (39) assembled with the knife sleeve (31), and the elastic ring (33) is clamped between the mounting cap (39) and the knife sleeve (31).

3. The paddle assembly of claim 2, wherein: The elastic ring (33) comprises a main body portion (330) clamped between the mounting cap (39) and the knife sleeve (31), and the elastic pressing portion (331) extends radially inwardly from the main body portion (330).

4. The paddle assembly of claim 3, wherein: A groove (333) is arranged at the position close to the main body portion (330) on the upper end of the elastic pressing portion (331).

5. The paddle assembly of claim 4, wherein: The width of the groove (333) is between 0.5mm and 2mm.

6. The mixing blade assembly of claim 3, wherein: The elastic pressing portion (331) comprises a lip portion (334) abutting against the rotating shaft (22) and a guide portion (335) below the lip portion (334).

7. The paddle assembly of claim 6, wherein: The height of the lip portion (334) is between 0.5mm and 2mm; and / or, the guide portion (335) comprises a guide conical surface (336) with an included angle between 25 degrees and 88 degrees with the horizontal plane; and / or, the thickness of the guide portion (335) is between 0.8mm and 2mm.

8. The paddle assembly of any one of claims 1 to 7, wherein: The rotating shaft (22) comprises a cylindrical boss (229) at the top end, the elastic pressing portion (331) is arranged in a ring shape, and the elastic pressing portion (331) abuts against the boss (229).

9. The paddle assembly of claim 8, wherein: The boss (229) is provided with a recess (2291) matched with the elastic pressing portion (331).

10. A food processor, characterized in that, It includes: A host (50); A stirring cup assembly (60) mounted on the host (50), the stirring cup assembly (60) comprising a stirring cup (10) and a bottom disc (21) fixed to the bottom of the stirring cup (10); The mixing blade assembly according to any one of claims 1 to 9, provided at the bottom of the mixing cup (10), wherein, The rotating shaft (22) penetrates the bottom plate (21), and a bearing sleeve (23) and a bearing (24) are arranged between the rotating shaft (22) and the bottom plate (21); and A cup cover assembly (70) is arranged on the stirring cup assembly.

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