CN210043806U

CN210043806U - Holding mechanism and hand-held mixer

Info

Publication number: CN210043806U
Application number: CN201920229071.7U
Authority: CN
Inventors: 万洪
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2019-02-21
Filing date: 2019-02-21
Publication date: 2020-02-11
Anticipated expiration: 2029-02-21

Abstract

The application provides a holding mechanism and hand-held mixer. A holding mechanism comprises a first shell, a second shell, a gear box assembly, a first positioning portion and a second positioning portion, wherein the gear box assembly is located between the first shell and the second shell, the first positioning portion is arranged on the first shell, the second positioning portion is arranged on the gear box assembly, the first positioning portion and the second positioning portion are matched to limit displacement of the gear box assembly along the horizontal direction, the first shell comprises a first abutting portion abutting against the gear box assembly, the second shell comprises a second abutting portion abutting against the gear box assembly, and the first abutting portion and the second abutting portion limit displacement of the gear box assembly along the vertical direction. This application fixes a position the gear box subassembly through the cooperation of first location portion and second location portion, keeps the gear box subassembly through first portion and second portion of support to the gear box subassembly is assembled in first casing and second casing steadily, and the equipment is simple and convenient.

Description

Holding mechanism and hand-held mixer

Technical Field

The application relates to the field of small household appliances, in particular to a retaining mechanism and a handheld stirrer.

Background

The food processor is a common kitchen appliance and is used for processing food materials, such as a juicer, a soymilk grinder and a wall breaking machine. Among the current cooking machine, the gear box subassembly is fixed in the casing through a plurality of bolts, and the bolt needs special instrument for example, screwdriver or electric screwdriver to install, and the equipment is inconvenient.

SUMMERY OF THE UTILITY MODEL

The application provides a retaining mechanism and hand-held mixer convenient to equipment.

The application provides a retaining mechanism, including first casing, second casing, be located first casing with gear box subassembly between the second casing, set up in the first location portion of first casing and set up in the second location portion of gear box subassembly, first location portion with the cooperation restriction of second location portion the displacement of horizontal direction is followed to the gear box subassembly, first casing including support press in the first portion of support of gear box subassembly, the second casing including support press in the second portion of support of gear box subassembly, first portion of support with the restriction of second portion of support the displacement of vertical direction is followed to the gear box subassembly.

Furthermore, one of the first positioning portion and the second positioning portion includes a positioning hole, and the other includes a positioning post matched with the positioning hole.

Furthermore, the extending directions of the first pressing part and the second pressing part are radially perpendicular to the extending direction of the positioning column.

Further, the second housing includes a third positioning portion that is fitted with the first positioning portion.

Further, one of the third positioning portion and the first positioning portion includes an assembly hole, and the other includes a fixing post assembled to the assembly hole.

Further, the second positioning portion comprises an upper surface and a lower surface which are opposite to each other, the first abutting portion abuts against the lower surface, and the second abutting portion abuts against the upper surface.

Further, the first shell comprises a first side wall surrounding a space and a containing part formed by recessing the first side wall, at least part of the gear box assembly is located in the space, and at least part of the second positioning part is located in the containing part.

Further, the first housing includes a first latching portion, and the second housing includes a second latching portion that latches with the first latching portion to fix the first housing to the second housing.

Further, the first housing includes a second sidewall, the first latching portion is connected to the second sidewall, and the second sidewall surrounds the first positioning portion.

The application still provides a hand-held type mixer, including above-mentioned retaining mechanism and equipment extremely retaining mechanism's power device and stirring sword subassembly, the power device drive stirring sword subassembly is rotatory.

This application fixes a position the gear box subassembly through the cooperation of first location portion and second location portion, keeps the gear box subassembly through first portion and second portion of support to the gear box subassembly is assembled in first casing and second casing steadily, and the equipment is simple and convenient.

Drawings

FIG. 1 is a schematic cross-sectional view of a hand blender according to the present application;

FIG. 2 is an exploded view of the hand blender of the present application;

FIG. 3 is an exploded view of the retaining mechanism of the hand blender shown in FIG. 1;

FIG. 4 is a cross-sectional schematic view of the retaining mechanism of the hand blender shown in FIG. 1, wherein the gear box assembly, the first housing and the second housing are unassembled;

FIG. 5 is an enlarged view of the circled portion of FIG. 1;

FIG. 6 is a cross-sectional schematic view of the gear box assembly of the retention mechanism shown in FIG. 4 assembled with the first housing;

FIG. 7 is a schematic cross-sectional view of the retaining mechanism of the hand blender shown in FIG. 1.

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 consistent with certain aspects of the present 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 defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is 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. As used in this specification 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.

Referring to fig. 1 and 2, the present application provides a blender for blending food materials. In this embodiment, the mixer is a hand-held mixer, and includes a main body 4, a holding mechanism, a clutch 5, a mixing blade assembly 6, and a mixing cup 7. The host 4 is for holding by a user. The main machine 4 comprises a power unit 41, for example an electric motor. The holding mechanism is assembled to the host computer 4. The holding mechanism comprises a first shell 1, a second shell 2 and a gear box component 3 assembled between the first shell 1 and the second shell 2. A gear transmission mechanism 8 is arranged in the gear box component 3. The gear transmission 8 includes a power input 81 and a power output 82. The power input end 81 is in power connection with the power device 41, and the power output end 82 is in power connection with the clutch 5. The clutch 5 is matched with the stirring knife assembly 6 to realize transmission. The stirring knife assembly 6 extends into the stirring cup 7, and after the hand-held stirring machine is electrified, the power device 41 drives the stirring knife assembly 6 to rotate through the gear transmission mechanism 8 and the clutch 5. The power output end 82 is in power connection with the clutch 5 through shape matching, and when the main machine 4 and the holding mechanism move in the direction away from the cup body 6, the shape matching of the power output end 82 and the clutch 5 is released, so that the power connection between the power device 41 and the stirring blade assembly 6 is cut off.

Referring to fig. 3, the first housing 1 includes a first positioning portion 14 and a first sidewall 12 connected to the first positioning portion 14. The gear housing assembly 3 includes a second positioning portion 32 that cooperates with the first positioning portion 14. The first positioning portion 14 includes a positioning post 141, and the second positioning portion 32 includes a positioning hole 320. In other embodiments, the first positioning portion includes a positioning hole, and the second positioning portion includes a positioning post. The first positioning portion 14 cooperates with the second positioning portion 32 to position the gear box assembly 3. It should be noted that "fit" refers to the relationship between the tolerance bands of two elements coupled to each other of substantially equal dimensions, including interference fits and transition fits. The first housing 1 further includes a first pressing portion 15 for pressing against the gear box assembly 3.

As shown in fig. 4, the second housing 2 includes a main body 21 and a second pressing portion 22 extending from the main body 21 to the first housing 1 and pressing against the gear box assembly 3. The first pressing part 15 and the second pressing part 22 hold the gear box assembly 3 together. The gear box assembly 3 is stably assembled to the first housing 1 and the second housing 2 by the cooperation of the first positioning portion 14, the first pressing portion 15, and the second pressing portion 22. In one embodiment, the extending direction of the first pressing portion 15 and the second pressing portion 22 is perpendicular to the radial direction of the positioning post 141 (or the positioning hole 320), so that the first positioning portion 14 limits the movement of the gear box assembly 3 in the first direction (in this embodiment, the horizontal direction), and the first pressing portion 15 and the second pressing portion 22 limits the movement of the gear box assembly 3 in the second direction (in this embodiment, the vertical direction), thereby ensuring that the gear box assembly 3 is stably held in the first housing 1 and the second housing 2. In other embodiments, the extending directions of the first pressing portion 15 and the second pressing portion 22 are oblique to the radial direction of the positioning post 141.

The second housing 2 includes a third positioning portion 23 engaged with the first positioning portion 14, in this embodiment, the third positioning portion 23 includes a fixing post, the first positioning portion 14 includes an assembling hole 142, the assembling hole 142 is formed in the positioning post 141, and the fixing post is assembled in the assembling hole 142. In other embodiments, the third positioning portion includes an assembly hole, and the first positioning portion includes a fixing post.

In an embodiment, please refer to fig. 6 to 7, the first pressing portion 15 and the second pressing portion 22 press against the second positioning portion 32. The second positioning portion 32 includes an upper surface 321 and a lower surface 322 opposite to each other, the first pressing portion 15 presses against the lower surface 322, and the second pressing portion 22 presses against the upper surface 321.

With reference to fig. 3 to fig. 4, the first casing 1 includes a bottom wall 11, a first side wall 12 extending from the bottom wall 11 to the second casing 2, a second side wall 13, and a matching portion 16 extending from the bottom wall 11 away from the second casing 2. The second side wall 13 surrounds the first side wall 12, the first side wall 12 surrounds the first positioning portion 14, the matching portion 16 at least partially extends into the stirring cup 7, and the bottom wall 11 abuts against the upper surface of the stirring cup 7. In this embodiment, the gear box assembly 3 includes a main body 31 for accommodating the gear transmission mechanism 8 and an ear portion connected to the main body 31, and the ear portion includes the second positioning portion 32. In this embodiment, the ear portion is the second positioning portion 32. In one embodiment, the gearbox assembly 3 includes at least two second positioning portions 32, and the at least two second positioning portions 32 are uniformly distributed along the circumferential direction of the body 31.

In the embodiment shown in fig. 3, the gearbox assembly 3 comprises three ears, and in the embodiments shown in fig. 4, 6 and 7 (none of which show a gear transmission mechanism), the gearbox assembly 3 comprises four ears. In the above embodiments, the structure of the body and the structure of the ear portions are the same, and the difference is only that the number of the ear portions is different, so the same reference numerals are used.

The first side wall 12 encloses a space 120, the first housing 1 further includes a receiving portion 121 formed by outwardly recessing the first side wall 12, and the space 120 is communicated with the receiving portion 121. At least part of the gear box assembly 3 is located in the space 120, and at least part of the second positioning portion 32 is located in the accommodating portion 121. The first pressing portion 15 includes a first pressing structure 151 and a second pressing structure 152, upper end surfaces of the first pressing structure 151 and the second pressing structure 152 are equal in height, the first pressing structure 151 is formed by a bottom wall of the accommodating portion 121, the second pressing structure 152 is formed by a third side wall, and the first side wall 12 surrounds the third side wall. In other embodiments, the second housing includes a receiving portion formed by the first sidewall and a recess of the first sidewall.

With reference to fig. 4 and 5, the first housing 1 further includes a first latching mechanism 17, and the second housing 2 includes a second latching portion 24 latching with the first latching portion 17, so as to fix the first housing 1 to the second housing 2. The first latching mechanism 17 is connected to the second side wall 13, and since the second side wall 13 surrounds the first positioning portion 14, if an external impact is applied, the first latching portion 17 and the second latching portion 24 can absorb an impact stress, so as to prevent the stress from being directly transmitted to the first positioning portion 14, the second positioning portion 32 and the third positioning portion 23, thereby preventing the stress from being damaged and ensuring the stability of the gear box assembly.

Referring to fig. 4, 6 and 7, firstly, the gear box assembly 3 is mounted on the first housing 1, the first positioning portion 14 is matched with the second positioning portion 32 (or the positioning column is matched with the positioning hole) to position the first housing 1 and the gear box assembly 3, then the second housing 2 is mounted, the third positioning portion 23 is matched with the first positioning portion 14 (or the fixing column is matched with the assembling hole) to position the second housing 2 and the first housing 1, and the first latching portion 17 is latched with the second latching portion 24 to assemble the second housing 2 and the first housing 1. At this time, the first pressing portion 15 of the first housing 1 and the second pressing portion 22 of the second housing 2 press against the gear box assembly 3, so as to assemble the gear box assembly 3. The assembling process is simple and convenient, tools are not needed, the cost is reduced, in addition, the problem that parts are forgotten to be installed does not exist during assembling, and the safety of the whole machine is guaranteed.

In this embodiment, the rotation speed of the gear transmission mechanism 8 of the hand-held mixer (i.e. the rotation speed of the stirring blade assembly 6) after being reduced does not exceed 1500 rpm, and the power of the hand-held mixer does not exceed 300 watts. In other embodiments, the rotational speed and the power may be adaptively adjusted according to the material, strength, and other parameters of the structures of the first positioning portion 14, the second positioning portion 32, the first pressing portion 15, the second pressing portion 22, and the like.

This application fixes a position gearbox subassembly 3 through the cooperation of first location portion 14 and second location portion 32, keeps gearbox subassembly 3 through first portion 15 and second portion 22 that supports to gearbox subassembly 3 assembles in first casing 1 and second casing 2 steadily, does not need special instrument to assemble, and the equipment is simple and convenient, and is favorable to reduce cost.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above embodiments, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.

Claims

1. A retaining mechanism, characterized by: comprises a first shell (1), a second shell (2), a gear box component (3) positioned between the first shell (1) and the second shell (2), a first positioning part (14) arranged on one of the first shell (1) and the second shell (2) and a second positioning part (32) arranged on the gear box component (3), the first positioning part (14) and the second positioning part (32) are matched to limit the displacement of the gear box component (3) along the horizontal direction, the first shell (1) comprises a first pressing part (15) which presses against the gear box component (3), the second shell (2) comprises a second pressing part (22) which presses against the gear box component (3), the first pressing part (15) and the second pressing part (22) limit the displacement of the gear box assembly (3) along the vertical direction.

2. The retention mechanism of claim 1, wherein: one of the first positioning portion (14) and the second positioning portion (32) comprises a positioning hole (320), and the other comprises a positioning column (141) matched with the positioning hole (320).

3. The retention mechanism of claim 2, wherein: the extending directions of the first pressing part (15) and the second pressing part (22) are perpendicular to the extending direction of the positioning column (141) in the radial direction.

4. The retention mechanism of claim 1, wherein: the second housing (2) includes a third positioning portion (23) that is fitted with the first positioning portion (14).

5. The retention mechanism of claim 4, wherein: one of the third positioning portion (23) and the first positioning portion (14) includes an assembly hole (142), and the other includes a fixing post assembled to the assembly hole (142).

6. The retention mechanism of claim 1, wherein: the second positioning portion (32) comprises an upper surface (321) and a lower surface (322) which are opposite to each other, the first pressing portion (15) presses against the lower surface (322), and the second pressing portion (22) presses against the upper surface (321).

7. The retention mechanism of claim 6, wherein: the first shell (1) comprises a first side wall (12) surrounding a space (120) and a containing part (121) formed by recessing from the first side wall (12), at least part of the gear box assembly (3) is located in the space (120), and at least part of the second positioning part (32) is located in the containing part (121).

8. The retaining mechanism of any one of claims 1-7, wherein: the first housing (1) includes a first retaining portion (17), and the second housing (2) includes a second retaining portion (24) that retains the first retaining portion (17) to fix the first housing (1) to the second housing (2).

9. The retention mechanism of claim 8, wherein: the first shell (1) comprises a second side wall (13), the first buckling part (17) is connected to the second side wall (13), and the second side wall (13) surrounds the first positioning part (14).

10. A hand mixer, comprising a holding mechanism according to any one of claims 1 to 9, and a power unit (41) and a mixer blade assembly (6) assembled to the holding mechanism, the power unit (41) driving the mixer blade assembly (6) in rotation.