CN210931032U

CN210931032U - Food processor

Info

Publication number: CN210931032U
Application number: CN201921253251.5U
Authority: CN
Inventors: 倪滔
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-07-07
Anticipated expiration: 2029-08-05

Abstract

The application provides a cooking machine, including frame and equipment in the cooking cup subassembly of frame, the cooking cup is equipped with crushing unit in the subassembly, is equipped with the drive in the frame crushing unit's motor, be equipped with electromagnetic assembly on the motor shaft of motor, the motor shaft is including continuous first equipment portion and second equipment portion, be equipped with on the electromagnetic assembly with first equipment portion corresponding first equipment hole and with the second equipment hole that second equipment portion corresponds, all be equipped with the first screw thread that extends along the first direction in first equipment portion and the second equipment portion, first equipment hole and second equipment downthehole second screw thread that corresponds with first screw thread that is equipped with, the direction of first screw thread and second screw thread with the rotation opposite direction of motor. The direction of the threads is opposite to the direction of rotation of the motor, so that the electromagnetic assembly and the motor are assembled more tightly along with the rotation of the motor; thereby avoided motor and electromagnetic component to have the problem of equipment clearance, ensured the axiality after motor and the equipment of electromagnetic component, simultaneously the noise reduction.

Description

Food processor

Technical Field

The utility model relates to a small household electrical appliances field especially relates to a cooking machine.

Background

The existing magnetic suspension food processor usually utilizes an electromagnetic assembly on a main body to suck a magnetic part assembled on a cutter shaft in a food processing cup assembly, and drives the magnetic part to synchronously rotate by means of the rotation of a motor in the main body so as to lead a blade on the cutter shaft to rotate and crush food materials in the food processing cup assembly. Because the electromagnetism subassembly will be a lot more than traditional clutch, and traditional fixed mode passes through the screw with motor drive shaft and electromagnetism subassembly and fixes, and this traditional fixed mode can make motor drive shaft and electromagnetism subassembly have certain assembly gap moreover, and when the motor was rotatory at a high speed, the electromagnetism subassembly followed high-speed rotatory eccentric shaking to appear and produced the noise and cause the consumer inconvenient.

Therefore, how to improve the stability of the motor rotation in the magnetic suspension food processor is particularly important.

SUMMERY OF THE UTILITY MODEL

The utility model provides a food processor.

According to the first aspect of this application, provide a cooking machine, including the frame and assemble in the cooking cup subassembly of frame, the cooking cup is equipped with crushing unit in the subassembly, be equipped with the drive in the frame crushing unit's motor, be equipped with electromagnetic component on the motor shaft of motor, the motor shaft is including continuous first equipment portion and second equipment portion, be equipped with on the electromagnetic component with first equipment hole that first equipment portion corresponds and with the second equipment hole that second equipment portion corresponds, all be equipped with the first screw thread that extends along the first direction in first equipment portion and the second equipment portion, be equipped with in first equipment hole and the second equipment hole with the second screw thread that first screw thread corresponds, the direction of first screw thread and second screw thread with the rotation direction of motor is opposite. The electromagnetic assembly is provided with a first assembly hole and a second assembly hole, and the direction of the thread and the direction of the motor are set to be opposite directions by means of the screw connection of a first assembly part and a second assembly part which correspond to the first assembly hole and the second assembly hole on the motor shaft, so that the electromagnetic assembly and the motor are more tightly assembled along with the rotation of the motor; thereby avoided the problem that there is the clearance in motor and the equipment of electromagnetism subassembly in traditional structure, guaranteed the axiality after motor and the equipment of electromagnetism subassembly, simultaneously the noise reduction.

Further, the first assembly portion is located above the second assembly portion and has a radial dimension smaller than that of the second assembly portion. The strength of the assembly of the motor and the electromagnetic assembly is enhanced by arranging the first assembly part and the second assembly part which are different in size.

Further, the stroke of the first assembly part is more than or equal to 7mm and less than or equal to 13 mm; h is more than or equal to 4mm and less than or equal to 7mm in the stroke of the second assembly part, and H and H meet the condition that H/H is more than or equal to 1.5 and less than or equal to 3. The stroke setting ranges of the first assembling portion and the second assembling portion aim to ensure the reliability of the assembling and facilitate the production.

Furthermore, the electromagnetic assembly comprises a main body part and a first magnetic part arranged on the main body part, the top surface of the main body part is sunken to form a containing cavity for assembling the first magnetic part, a first assembling hole and a second assembling hole are formed in the axial direction of the bottom surface of the main body part, and the aperture of the first assembling hole is smaller than that of the second assembling hole. The first magnetic element is assembled in the accommodating cavity formed by the main body part, and the semi-closed structure of the main body part is utilized to effectively prevent the magnetic force generated after the electromagnetic element is electrified from diffusing everywhere, so that the magnetic force is gathered in the main body part and concentrated on the magnetic force surface, and the problem that the magnetic force of the electromagnetic element is too small is solved.

Furthermore, a second magnetic part matched with the electromagnetic component is arranged below the crushing component, a first holding cavity and a second holding cavity which are separated are formed on the base, the second magnetic part is contained in the first holding cavity, and the electromagnetic component is contained in the second holding cavity. The first holding chamber and the second holding chamber of isolation have avoided the noise that electromagnetic component and second magnetic part direct contact produced, can avoid naked electromagnetic component to cause the potential risk of scald to the user simultaneously.

Further, a nut matched with the second assembling hole is arranged in the second assembling hole, and the second assembling portion is matched and assembled with the nut. The strength of the motor and the electromagnetic assembly can be further enhanced by arranging the nut in the second assembly hole and assembling the second assembly part.

Furthermore, the crushing assembly comprises a cutter holder and a cutter shaft assembled on the cutter holder, a blade is arranged at the top end of the cutter shaft, an accommodating part is arranged at the bottom of the cutter holder, the second magnetic part is arranged in the accommodating part and assembled and fixed with the cutter shaft, and the cutter shaft and the motor shaft are coaxially arranged. The second magnetic part is arranged in the accommodating part, so that the second magnetic part can be effectively prevented from shaking greatly when rotating along with the motor, the crushing efficiency of the crushing assembly is improved, and the noise can be reduced; the coaxial arrangement ensures that the motor has better coaxiality with the crushing assembly after being assembled, thereby ensuring the working efficiency of the motor and simultaneously achieving better crushing effect.

Furthermore, a power board assembly, a first carbon brush and a second carbon brush which are electrically connected to the power board assembly are arranged in the machine base, and the first carbon brush and the second carbon brush are respectively abutted to the electromagnetic assembly. The first carbon brush and the second carbon brush which are abutted to the electromagnetic assembly are used for controlling the on-off of a circuit of the electromagnetic assembly, and the structure is simple and the performance is reliable.

Furthermore, an insulating part is sleeved outside the main body part, a first conducting strip and a second conducting strip which are electrically connected with the first magnetic part are sleeved outside the insulating part, and the first conducting strip is insulated from the second conducting strip. The first magnetic part is connected with an external power supply through the first conducting strip and the second conducting strip, the structure of the electromagnetic assembly is simplified, and the first conducting strip and the second conducting strip are insulated to ensure normal use of the electromagnetic assembly.

Furthermore, the first carbon brush is connected with the positive electrode of the power board assembly and abuts against the first conducting strip, and the second carbon brush is connected with the negative electrode of the power board assembly and abuts against the second conducting strip.

According to the technical scheme, the electromagnetic assembly is provided with the first assembly hole and the second assembly hole, and the direction of the thread and the direction of the motor are set to be opposite directions by means of the threaded connection of the first assembly part and the second assembly part which correspond to the first assembly hole and the second assembly hole on the motor shaft, so that the electromagnetic assembly and the motor are more tightly assembled along with the rotation of the motor; thereby avoided motor and electromagnetic component to have the problem of equipment clearance, ensured the axiality after motor and the equipment of electromagnetic component, simultaneously the noise reduction.

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 invention as claimed.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and 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 these drawings without inventive effort.

Fig. 1 is a schematic perspective assembly sectional view of a food processor according to an embodiment of the present application;

FIG. 2 is an exploded perspective view of a housing according to an embodiment of the present application;

FIG. 3 is a schematic perspective view of a motor according to an embodiment of the present application;

FIG. 4 is a perspective assembled view of an electromagnetic assembly according to an embodiment of the present application;

FIG. 5 is a perspective assembled cross-sectional view of an electromagnetic assembly according to an embodiment of the present application;

FIG. 6 is a schematic perspective assembled cross-sectional view of an electromagnetic assembly and a motor according to an embodiment of the present application;

figure 7 is a schematic perspective assembly view of a size reduction assembly according to an embodiment of the present application.

Reference numerals:

food processor 100

Engine base 1

Motor 10 Motor shaft 11 first assembly portion 110

Second assembly part 111 first thread 112 first accommodation cavity 12

Second holding chamber 13 power board assembly 14 first carbon brush 15

Second carbon brush 16

Cooking cup component 2

Crushing assembly 3 knife shaft 31 blade 32

Second magnetic member 33

Electromagnetic assembly 4

The main body 40 accommodating cavity 401 is provided with a first assembling hole 402

Second assembling hole 403, second screw 404, first magnetic member 41

Insulator 42 first conductive sheet 43 second conductive sheet 44

Nut 45

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 invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, 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 invention. 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.

It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, the first information may also be referred to as second information, and similarly, the second information may also be referred to as first information, without departing from the scope of the present invention. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.

The following describes a food processor in detail with reference to the accompanying drawings. The features of the following examples and embodiments may be combined with each other without conflict.

Referring to fig. 1 to 7, a food processor 100 of the present application includes a base 1 and a cup assembly 2 assembled on the base 1. Be equipped with crushing unit 3 in the cooking cup subassembly 2, be equipped with the drive in the frame 1 the motor 10 of crushing unit 3. The motor 10 is provided with an electromagnetic assembly 4 on a motor shaft 11, and the motor shaft 11 includes a first assembly portion 110 and a second assembly portion 111 connected to each other. The electromagnetic assembly 4 is provided with a first assembly hole 402 corresponding to the first assembly portion 110 and a second assembly hole 403 corresponding to the second assembly portion 111, and the first assembly portion 110 and the second assembly portion 111 are both provided with first threads 112 extending along a first direction. Second threads 404 corresponding to the first threads 112 are provided in the first assembly hole 402 and the second assembly hole 403, and the directions of the first threads 112 and the second threads 404 are opposite to the rotation direction of the motor 10. The electromagnetic assembly 4 is provided with a first assembly hole 402 and a second assembly hole 403, the first assembly part 110 and the second assembly part 111 which correspond to the first assembly hole are in threaded connection on the motor shaft 11, and the direction of the threads and the direction of rotation of the motor 10 are set to be opposite directions, so that the electromagnetic assembly 4 and the motor 10 are assembled more tightly along with the rotation of the motor 10; therefore, the problem that a gap exists between the motor 10 and the electromagnetic assembly 4 in the traditional structure is avoided, the coaxiality of the motor 10 and the electromagnetic assembly 4 after assembly is ensured, and meanwhile, the noise is reduced.

The first assembly portion 110 is located above the second assembly portion 111 and has a radial dimension smaller than that of the second assembly portion 111. The first assembling portion 110 and the second assembling portion 111 with different sizes are provided to enhance the assembling strength of the motor 10 and the electromagnetic assembly 4.

In an embodiment, a nut 45 is disposed in the second assembling hole 403, and the second assembling portion 111 is assembled with the nut 45. The strength of the assembly of the motor 10 with the electromagnet assembly 4 can be further enhanced by providing the nut 45 in the second assembly hole 403 to be assembled with the second assembly portion 111.

In one embodiment, the stroke of the first assembly part 110 is more than or equal to 7mm and less than or equal to H and less than or equal to 13 mm; h is more than or equal to 4mm and less than or equal to 7mm in the stroke of the second assembly part 111, and H and H meet the condition that H/H is more than or equal to 1.5 and less than or equal to 3. In a preferred embodiment, the stroke H of the first assembling portion 110 is 10mm, and the stroke H of the second assembling portion 111 is 5 mm.

The stroke setting ranges of the first assembling portion 110 and the second assembling portion 111 are intended to ensure the reliability of the assembly while facilitating the production. Owing to set up the motor shaft into the upper and lower thick structure of two segmentations in this application, the trompil lock screw structure on the motor shaft of traditional technique has been changed, nut on fixed electromagnetic component and the electromagnetic component respectively through the screw thread, the screw thread all is anticlockwise in this embodiment, because the motor drives crushing cutter and is clockwise rotatory, it is tighter and tighter that the screw thread that will make motor shaft and electromagnetic component mutually support like this changes, thereby realize that the motor shaft does not have the fit-up gap with the electromagnetic component complete cooperation, realize dynamic balance, when the electromagnetic component is rotatory along with the motor is high-speed, can keep concentric rotation, can not produce the noise because of vibrations. It is true that the direction of the thread may also be set clockwise and the direction of rotation of the motor may be set counter-clockwise.

The electromagnetic assembly 4 includes a main body 40 and a first magnetic member 41 disposed on the main body 40, a top surface of the main body 40 is recessed to form an accommodating cavity 401 for assembling the first magnetic member 41, the first assembling hole 402 and the second assembling hole 403 are disposed upward from a bottom surface of the main body 40 along an axial direction, and a diameter of the first assembling hole 402 is smaller than a diameter of the second assembling hole 403. The first magnetic member 41 is assembled in the accommodating cavity 401 formed by the main body 40, and the semi-closed structure of the main body 40 effectively prevents the magnetic force generated after the electromagnetic assembly 4 is powered from being diffused all around, so that the magnetic force is gathered in the main body 40 and concentrated on the magnetic force surface, and the problem that the magnetic force of the electromagnetic assembly 4 is too small is solved.

A power board assembly 14 and a first carbon brush 15 and a second carbon brush 16 electrically connected to the power board assembly 14 are disposed in the base 1, and the first carbon brush 15 and the second carbon brush 16 respectively abut against the electromagnetic assembly 4. The circuit on-off control of the electromagnetic assembly 4 by the first carbon brush 15 and the second carbon brush 16 abutting against the electromagnetic assembly 4 is simple in structure and reliable in performance.

A second magnetic piece 33 matched with the electromagnetic component 4 is arranged below the crushing component 3. A first accommodating cavity 12 and a second accommodating cavity 13 which are separated from each other are formed on the machine base 1. The second magnetic member 33 is accommodated in the first accommodating cavity 12, and the electromagnetic assembly 4 is accommodated in the second accommodating cavity 13. The isolated first accommodating cavity 12 and the isolated second accommodating cavity 13 avoid noise generated by direct contact between the electromagnetic assembly 4 and the second magnetic member 33, and meanwhile, potential risks of scalding of a user caused by the exposed electromagnetic assembly 4 can be avoided.

Specifically, the crushing assembly 3 includes a tool post 30 and a cutter shaft 31 assembled to the tool post 30, a blade 32 is disposed at a top end of the cutter shaft 31, an accommodating portion 301 is disposed at a bottom of the tool post 30, the second magnetic member 33 is disposed in the accommodating portion 301 and assembled and fixed with the cutter shaft 31, and the cutter shaft 31 and the motor shaft 11 are coaxially disposed. The second magnetic part 33 is arranged in the accommodating part 301, so that the second magnetic part 33 can be effectively prevented from shaking greatly when rotating along with the motor 10, the crushing efficiency of the crushing assembly 3 is improved, and the noise can be reduced; the coaxial arrangement ensures that the motor 10 has better coaxiality with the crushing assembly 3 after being assembled, thereby ensuring the working efficiency of the motor 10 and achieving better crushing effect.

An insulating member 42 is sleeved outside the main body portion 40, a first conductive sheet 43 and a second conductive sheet 44 electrically connected with the first magnetic member 41 are sleeved outside the insulating member 42, and the first conductive sheet 43 and the second conductive sheet 44 are insulated. The first magnetic part 41 is connected with an external power supply through the arrangement of the first conducting plate 43 and the second conducting plate 44, the structure of the electromagnetic assembly 4 is simplified, and the first conducting plate 43 and the second conducting plate 44 are insulated to ensure the normal use of the electromagnetic assembly 4.

The first carbon brush 15 is connected to the positive electrode of the power board assembly 14 and abuts against the first conductive sheet 43, and the second carbon brush 16 is connected to the negative electrode of the power board assembly 14 and abuts against the second conductive sheet 44.

The cooking cup assembly is characterized in that a first coupler (not shown) is arranged on the cup base, a second coupler matched with the first coupler is arranged in the machine base 1, and after the cooking cup assembly 2 is arranged on the machine base 1, the first coupler triggers the second coupler to control the on-off of the circuits of the first carbon brush 15 and the second carbon brush 16 through a preset program of the power board assembly 14. When the first carbon brush and the second carbon brush are electrified, the first conducting strip 43 and the second conducting strip 44 are instantly electrified, and the electromagnetic assembly 4 instantly generates magnetic force to work by utilizing the characteristics of the electromagnet; when the work is finished or in a standby state, the power supply to the first carbon brush 15 and the second carbon brush 16 is stopped through a preset program, the electromagnetic assembly is demagnetized immediately, and thus the food processing cup assembly 2 can be easily taken down from the machine base 1.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a food processor, its characterized in that, including frame (1) and assemble in the cooking cup subassembly (2) of frame (1), be equipped with crushing unit (3) in the cooking cup subassembly (2), be equipped with the drive in frame (1) motor (10) of crushing unit (3), be equipped with electromagnetic component (4) on motor shaft (11) of motor (10), motor shaft (11) are including continuous first equipment portion (110) and second equipment portion (111), be equipped with on electromagnetic component (4) with first equipment hole (402) that first equipment portion (110) correspond and with second equipment hole (403) that second equipment portion (111) correspond, all be equipped with on first equipment portion (110) and second equipment portion (111) along first direction extension first screw thread (112), be equipped with in first equipment hole (402) and second equipment hole (403) with second screw thread (404) that first screw thread (112) correspond, the direction of the first thread (112) and the second thread (404) is opposite to the rotation direction of the motor (10).

2. The food processor of claim 1, wherein the first assembly portion (110) is located above the second assembly portion (111) and has a radial dimension smaller than a radial dimension of the second assembly portion (111).

3. The food processor of claim 2, wherein the stroke of the first assembly part (110) is 7mm ≤ H ≤ 13 mm; h is more than or equal to 4mm and less than or equal to 7mm in the stroke of the second assembly part (111), and H and H meet the condition that H/H is more than or equal to 1.5 and less than or equal to 3.

4. The food processor according to claim 3, wherein the electromagnetic assembly (4) comprises a main body portion (40) and a first magnetic member (41) arranged on the main body portion (40), a top surface of the main body portion (40) is recessed to form a containing cavity (401) for assembling the first magnetic member (41), the first assembling hole (402) and the second assembling hole (403) are arranged upwards from a bottom surface of the main body portion (40) along an axial direction, and the diameter of the first assembling hole (402) is smaller than that of the second assembling hole (403).

5. The food processor according to any one of claims 1 to 4, wherein a second magnetic member (33) adapted to the electromagnetic member (4) is provided below the crushing member (3), a first accommodating chamber (12) and a second accommodating chamber (13) separated from each other are formed on the base (1), the second magnetic member (33) is accommodated in the first accommodating chamber (12), and the electromagnetic member (4) is accommodated in the second accommodating chamber (13).

6. The food processor as claimed in claim 5, wherein a nut (45) is disposed in the second assembling hole (403), and the second assembling portion (111) is assembled with the nut (45) in a fitting manner.

7. The food processor according to claim 6, wherein the crushing assembly (3) comprises a cutter holder (30) and a cutter shaft (31) assembled on the cutter holder (30), a blade (32) is arranged at the top end of the cutter shaft (31), an accommodating part (301) is arranged at the bottom of the cutter holder (30), the second magnetic member (33) is arranged in the accommodating part (301) and assembled and fixed with the cutter shaft (31), and the cutter shaft (31) and the motor shaft (11) are coaxially arranged.

8. The food processor according to claim 4, wherein a power board assembly (14) and a first carbon brush (15) and a second carbon brush (16) electrically connected to the power board assembly (14) are disposed in the base (1), and the first carbon brush (15) and the second carbon brush (16) are respectively abutted against the electromagnetic assembly (4).

9. The food processor of claim 8, wherein the main body portion (40) is sheathed with an insulating member (42), the insulating member (42) is sheathed with a first conductive sheet (43) and a second conductive sheet (44) which are electrically connected with the first magnetic member (41), and the first conductive sheet (43) is insulated from the second conductive sheet (44).

10. The food processor of claim 9, wherein the first carbon brush (15) is connected to a positive electrode of the power board assembly (14) and abuts against the first conductive sheet (43), and the second carbon brush (16) is connected to a negative electrode of the power board assembly (14) and abuts against the second conductive sheet (44).