CN111839277A

CN111839277A - Food processor

Info

Publication number: CN111839277A
Application number: CN202010251294.0A
Authority: CN
Inventors: 倪滔; 唐路蒙; 崔春
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-10-30

Abstract

The application provides a cooking machine, including frame and equipment in cup on the frame, be equipped with electromagnetic assembly in the frame and give the first coil subassembly of electromagnetic assembly power supply, electromagnetic assembly includes that electro-magnet and cover are located the outer second coil subassembly of electro-magnet, be equipped with on the cup with the blade disc of electromagnetic assembly adaptation, the response of second coil subassembly the electromagnetic signal of first coil subassembly acquires the electric energy and gives the wireless transmission of electromagnetic assembly power supply is realized in the power supply of electromagnetic assembly. The power supply mode of the electromagnetic assembly is changed into a non-contact mode by arranging the first coil assembly and the second coil assembly which are independent, so that the noise generated by the electromagnetic assembly when the food processor works is effectively reduced, and poor contact caused by abrasion of related parts in a direct contact control electromagnetic assembly electrifying mode can be avoided; ensure the accuracy of electromagnetic component switching on and off control to promote cooking machine's life.

Description

Food processor

Technical Field

The invention relates to the field of small household appliances, in particular to a food processor.

Background

The existing magnetic suspension food processor usually uses an electromagnetic assembly on a main body to suck a magnetic conduction disc assembled on a cutter shaft of a food processing cup, and drives the magnetic conduction disc to synchronously rotate by means of the rotation of a motor in the main body, so that a blade on the cutter shaft rotates to crush food materials in the food processing cup. The circuit on-off of the electromagnetic assembly of the traditional food processor is usually realized in a contact manner, so that the electromagnetic assembly can become a noise source when the food processor works, and the noise reduction of a product is not facilitated; meanwhile, the whole service life of the food processor is also influenced by the contact circuit control mode.

Therefore, an electromagnetic assembly with a simple structure and convenient and fast electrical connection is needed to meet the use requirement of the food processor.

Disclosure of Invention

The invention provides a low-noise food processor.

According to the first aspect of this application, provide a cooking machine, including the frame and assemble in cup on the frame, be equipped with electromagnetic assembly in the frame and give the first coil subassembly of electromagnetic assembly power supply, electromagnetic assembly includes that electro-magnet and cover are located the outer second coil subassembly of electro-magnet, be equipped with on the cup with the blade disc of electromagnetic assembly adaptation, second coil subassembly responds to the electromagnetic signal of first coil subassembly acquires the electric energy and gives the wireless transmission of electromagnetic assembly power supply is realized in the power supply of electromagnetic assembly. The power supply mode of the electromagnetic assembly is changed into a non-contact mode by arranging the first coil assembly and the second coil assembly which are independent, so that the noise generated by the electromagnetic assembly when the food processor works is effectively reduced, and poor contact caused by abrasion of related parts in a direct contact control electromagnetic assembly electrifying mode can be avoided; ensure the accuracy of electromagnetic component switching on and off control to promote cooking machine's life.

Furthermore, a circuit board electrically connected with the first coil assembly is arranged in the base, the circuit board is electrically connected with a power panel arranged in the base, and the circuit board converts alternating current of the power panel into direct current applicable to the first coil assembly. The circuit board electrically connected with the first coil assembly is arranged to convert alternating current into direct current, so that the electromagnetic assembly can be normally used, and meanwhile, the circuit connection structure of the electromagnetic assembly is simplified.

Furthermore, the first coil assembly comprises a coil fixing frame and a first coil, the coil fixing frame comprises a fixing portion and a winding portion vertically extending from the fixing portion, and the first coil is wound on the inner wall of the winding portion. The coil fixing frame is arranged to facilitate the assembly of the first coil assembly and the base on one hand and facilitate the connection of the first coil and the circuit board on the other hand, so that the first coil assembly and the second coil assembly are electrically connected in a non-contact manner when the circuit board supplies power to the first coil assembly; effectively reduce the noise of electromagnetism subassembly work.

Furthermore, the second coil assembly comprises a bobbin and a second coil wound on the bobbin, and at least part of the electromagnetic assembly is sleeved in the first coil assembly, and the first coil and the second coil are arranged oppositely. And at least part of the second coil assembly is sleeved in the first coil assembly, and the first coil and the second coil are arranged oppositely, so that the magnetic field generated after the first coil is electrified can be maximally induced by the second coil, and the service performance of the electromagnetic assembly is ensured.

Furthermore, the bobbin is sleeved on the electromagnet and is in interference fit, and the second coil is wound on the outer wall of the bobbin and is electrically connected with the electromagnet. The bobbin and the electromagnet are in interference fit to prevent the bobbin and the electromagnet from rotating relatively, and the use reliability of the electromagnetic assembly is ensured.

Furthermore, the fixing portion is provided with positioning holes at intervals, the base is provided with first assembling holes corresponding to the positioning holes, and first screws penetrate through the positioning holes and the first assembling holes to assemble the first coil assembly on the base. The coil fixing frame is assembled on the base through the first screw, so that the first coil assembly is assembled, and the assembly is reliable.

Furthermore, a motor is arranged in the machine base, a first screw hole is formed in a motor shaft of the motor, a second screw hole matched with the first screw hole is formed in the electromagnet, and a second screw penetrates through the first screw hole and the second screw hole to assemble the electromagnetic assembly on the motor shaft. The electromagnetic assembly is assembled on the motor shaft through the second screw, so that the electromagnetic assembly and the motor shaft are ensured to have good coaxiality, and the electromagnetic assembly is simple in structure and reliable in assembly.

Further, cup bottom is equipped with crushing unit, crushing unit include with the blade disc of electromagnetic component adaptation and the cutter of blade disc equipment, the cutter includes the arbor of assembling with the blade disc and sets up in the blade on arbor top. Correspond through blade disc and electromagnetic component and to make crushing unit work along with the state of electromagnetic component, consequently the operating condition of cooking machine has promoted its security and intellectuality of using by more accurate control.

Furthermore, the bottom of the cup body is provided with an accommodating part for accommodating the cutter head, a second assembling hole is formed in the center of the top wall of the accommodating part, a third assembling hole is formed in the center of the cutter head, and the cutter shaft penetrates through the second assembling hole and the third assembling hole and is assembled and fixed with the cutter head through a third screw. Will through setting up the portion of acceping the blade disc is arranged in can be in radial and the axial on the home area of restricting the home range of blade disc, effectively avoided blade disc and the poor contact condition of electromagnetic component, promoted the performance of cooking machine.

Further, the arbor with the coaxial setting of motor shaft, be equipped with the cover on the blade disc and locate the arbor just accept in the elasticity of portion of acceping resets. The arbor can the furthest avoid the loss of motor power with the coaxial setting of motor shaft, can reduce the noise that motor work is simultaneously, has promoted the cooking machine performance.

According to the technical scheme, the power supply mode of the electromagnetic assembly is changed into a non-contact mode through the arrangement of the independent first coil assembly and the independent second coil assembly, so that the noise of the electromagnetic assembly during working is effectively reduced, and the problem of poor contact caused by abrasion of related parts in the direct contact control electromagnetic assembly electrifying mode is solved; in addition, the accuracy of the on-off control of the electromagnetic assembly can be improved, so that the service life of the food processor is prolonged.

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 it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.

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 enlarged partial schematic view of FIG. 1;

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

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

FIG. 5 is an assembled schematic view of an electromagnetic assembly according to an embodiment of the present application;

FIG. 6 is a perspective assembly view of a first coil assembly according to an embodiment of the present application;

fig. 7 is a perspective assembly diagram of an electromagnetic assembly and a first coil assembly according to an embodiment of the present disclosure.

Reference numerals:

food processor 100

Engine base 1

Coil fixing frame 101 of first coil assembly 10

Fixing part 104 for winding part 103 of first coil 102

Positioning hole 1041 power board 12 of circuit board 11

First screw hole 131 of motor shaft 130 of motor 13

First coupler 14

Cup body 2

Accommodating part 20 second assembling hole 201 cutter head 21

Third assembling hole 210 and third screw 22 elastic reset piece 23

Second coupler 24

Electromagnetic assembly 3

Second screw hole 301 and second screw 302 of electromagnet 30

Bobbin 310 of second coil assembly 31 second coil 311

Shredder assembly 4 arbor 40 blade 41

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, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, 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.

A food processor according to the present invention will be described 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 body 2 assembled on the base 1. An electromagnetic assembly 3 and a first coil assembly 10 for supplying power to the electromagnetic assembly 3 are arranged in the machine base 1. The electromagnetic component 3 includes an electromagnet 30 and a second coil component 31 sleeved outside the electromagnet 30. The cup body 2 is provided with a cutter head 21 matched with the electromagnetic assembly 3, and the second coil assembly 31 induces the electromagnetic signal of the first coil assembly 10 to obtain electric energy for the electromagnetic assembly 3 to supply power to realize wireless transmission of the power supply of the electromagnetic assembly. The independent first coil assembly 10 and the independent second coil assembly 31 are arranged to change the power supply mode of the electromagnetic assembly 3 into a non-contact mode, so that the noise of the food processor during operation is reduced to the maximum extent. On one hand, the technical scheme of the application can avoid poor contact caused by abrasion of related parts in the scheme of directly contacting the power-on mode of the control electromagnetic assembly 3; on the other hand can promote the accuracy nature of 3 on-off control of electromagnetic component to promote cooking machine's life. In some high-end food processers, the electromagnetic assembly 3 is also adopted to drive the crushing assembly 4, and in the structure, the carbon brush assembly abutted against the electromagnetic assembly 3 is usually adopted to control the on-off of the circuit of the electromagnetic assembly 3; one problem with this configuration is that: certain abrasion can exist in the carbon brush assembly in use, and the abutting of the carbon brush assembly and the electromagnet 30 requires that the assembly precision of the carbon brush assembly is higher, so that the requirement on the production process is higher, and the production cost is higher.

In an embodiment, a circuit board 11 electrically connected to the first coil assembly 10 is disposed in the housing 1. The circuit board 11 is electrically connected with a power panel 12 arranged in the base 1. The circuit board 11 electrically connected with the first coil assembly 10 is arranged to convert the alternating current of the power supply board into the direct current suitable for the electromagnet, so that the electromagnet assembly 3 can be normally used. In this embodiment, two ends of the first coil 102 are respectively fixedly connected to the circuit board 11. In this application, the first coil 102 is a transmitting coil, and the second coil 311 is a receiving coil. When the food processor starts to work, the power supply board 12 starts to supply power to the circuit board 11 connected with the sending coil, alternating current of the power supply board 12 is converted into direct current required by the electromagnet 30 through the circuit board 11, so that the sending coil is electrified to generate a magnetic field, and when the receiving coil sleeved on the electromagnet 30 induces current generated by the magnetic field, the electromagnet 30 is electrified to generate magnetic force, thereby realizing wireless transmission. When the work of the food processer is finished, the power-off can be controlled through the circuit board 11, so that the work control accuracy of the food processer is improved.

Specifically, the first coil assembly 10 includes a coil fixing frame 101 and a first coil 102. The coil fixing frame 101 includes a fixing portion 104 and a winding portion 103 vertically extending from the fixing portion 104. The first coil 102 is wound around an inner wall of the winding portion 103. The coil fixing frame 101 is arranged to facilitate the assembly of the first coil assembly 10 and the base 1 on one hand and to facilitate the connection of the first coil 102 and the circuit board 11 on the other hand; so that when the circuit board 11 supplies power to the first coil assembly 10, the first coil assembly 10 and the second coil assembly 31 are electrically connected in a contactless manner; the noise of the work of the electromagnetic component 3 is effectively reduced.

The second coil assembly 31 includes a bobbin 310 and a second coil 311 wound around the bobbin 310. The electromagnetic component 3 is at least partially sleeved in the first coil component 10, and the first coil 102 and the second coil 311 are disposed opposite to each other. The second coil assembly 31 is at least partially sleeved in the first coil assembly 10, and the first coil 102 and the second coil 311 are arranged oppositely, so that the magnetic field generated after the first coil 102 is electrified can be quickly induced by the second coil 311, and the service performance of the electromagnetic assembly 3 is ensured. In the present application, the bobbin 310 is a cylindrical hollow cylindrical structure adapted to the electromagnet 30.

Specifically, the bobbin 310 is sleeved on the electromagnet 30 and is in interference fit with the electromagnet 30, and the second coil 311 is wound on the outer wall of the bobbin 310 and is electrically connected to the electromagnet 30. The bobbin 310 and the electromagnet 30 are in interference fit to prevent relative rotation, and the reliability of the use of the electromagnetic assembly 3 is ensured.

The fixing portion 104 is provided with positioning holes 1041 at intervals. The base 1 is provided with a first assembling hole (not shown) corresponding to the positioning hole 1041. A first screw (not shown) passes through the positioning hole 1041 and the first assembling hole to assemble the first coil assembly 10 on the base 1. The coil fixing bracket 101 is assembled on the base 1 by a first screw, so that the first coil assembly 10 is reliably assembled.

A motor 13 is arranged in the machine base 1, and a motor shaft 130 of the motor 13 is provided with a first screw hole 131. The electromagnet 30 is provided with a second screw hole 301 adapted to the first screw hole 131, and a second screw 302 penetrates through the first screw hole 131 and the second screw hole 301 to assemble the electromagnetic assembly 3 on the motor shaft 130. The electromagnetic assembly 3 is assembled on the motor shaft 130 through the second screw 302, so that good coaxiality of the electromagnetic assembly and the motor shaft is ensured, and the electromagnetic assembly is simple in structure and reliable in assembly.

In one embodiment, a first coupler 14 is disposed in the housing 1, and a second coupler 24 adapted to the first coupler 14 is disposed at the bottom of the cup. When the cup body 2 is assembled on the base 1, the first coupler 14 and the second coupler 24 are electrically connected.

The bottom of the cup body is provided with a crushing component 4. Crushing unit 4 include with the blade disc 21 of electromagnetic component 3 adaptation and the cutter of blade disc 21 equipment. The cutter comprises a cutter shaft 40 assembled with the cutter head 21 and a blade 41 arranged at the top end of the cutter shaft 40. Correspond through blade disc 21 and electromagnetic component 3 and to make crushing unit 4 work along with electromagnetic component 3's state, consequently the operating condition of cooking machine has promoted its security and intellectuality of using by more accurate control.

The bottom of the cup body is provided with an accommodating part 20 for accommodating the cutter disc 21, and the center of the top wall of the accommodating part 20 is provided with a second assembling hole 201. A third assembly hole 210 is formed in the center of the cutter disc 21. The cutter shaft 40 is fixed to the cutter head 21 by the third screw 22 through the second assembling hole 201 and the third assembling hole 210. Will through setting up the portion of acceping 20 cutterhead 21 is arranged in can radially and axially go up the home range who restricts cutterhead 21 in the portion of acceping 20, effectively avoided the condition that contact failure appears in cutterhead 21 and electromagnetic component 3, promoted the performance of cooking machine.

In an embodiment, the cutter shaft 40 and the motor shaft 130 are coaxially disposed, and the cutter disc 21 is provided with an elastic restoring member 23 that is sleeved on the cutter shaft 40 and is accommodated in the accommodating portion 20. Arbor 40 and the coaxial loss that avoids motor 13 power that can the at utmost of motor shaft 130 set up, can reduce the noise of motor 13 during operation simultaneously, have promoted the cooking machine performance. The elastic return member may be a return spring.

When the food processor is arranged on the base 1, the second coupler 24 touches the first coupler 14 to form an electric connection, the circuit board 11 is controlled by a preset program of the power board 12, when the first coil component 10 is electrified, the second coil component 31 is instantly electrified, and by utilizing the characteristic of the electromagnet 30, the electromagnetic component 3 instantly generates magnetic force to work; when the work is finished or in a standby state, the power supply to the circuit board 11 is stopped through a preset program, the circuit is disconnected, the electromagnetic assembly 3 is demagnetized immediately, and the cooking cup can be easily taken down from the machine base 1.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a food processer, its characterized in that, including frame (1) and assemble in cup (2) on frame (1), be equipped with in frame (1) electromagnetic component (3) and give first coil pack (10) of electromagnetic component (3) power supply, electromagnetic component (3) are located including electro-magnet (30) and cover second coil pack (31) outer electro-magnet (30), be equipped with on cup (2) with blade disc (21) of electromagnetic component (3) adaptation, second coil pack (31) response the electromagnetic signal of first coil pack (10) acquires the electric energy and gives the wireless transmission of electromagnetic component (3) power supply realization electromagnetic component power supply.

2. The food processor according to claim 1, wherein a circuit board (11) electrically connected with the first coil assembly (10) is arranged in the base (1), the circuit board (11) is electrically connected with a power board (12) arranged in the base (1), and the circuit board (11) converts the alternating current of the power board into the direct current suitable for the first coil assembly (10).

3. The food processor of claim 2, wherein the first coil assembly (10) comprises a coil fixing frame (101) and a first coil (102), the coil fixing frame (101) comprises a fixing portion (104) and a winding portion (103) vertically extending from the fixing portion (104), and the first coil (102) is wound around an inner wall of the winding portion (103).

4. The food processor of claim 3, wherein the second coil assembly (31) comprises a bobbin (310) and a second coil (311) wound around the bobbin (310), the electromagnetic assembly (3) is at least partially sleeved in the first coil assembly (10), and the first coil (102) and the second coil (311) are disposed opposite to each other.

5. The food processor as claimed in claim 4, wherein the bobbin (310) is sleeved on the electromagnet (30) and is in interference fit, and the second coil (311) is wound on the outer wall of the bobbin (310) and is electrically connected with the electromagnet (30).

6. The food processor as claimed in claim 5, wherein the fixing portion (104) is provided with positioning holes (1041) at intervals, the base (1) is provided with first assembling holes corresponding to the positioning holes (1041), and a first screw penetrates through the positioning holes (1041) and the first assembling holes to assemble the first coil assembly (10) on the base (1).

7. The food processor of claim 6, wherein a motor (13) is arranged in the base (1), a first screw hole (131) is formed in a motor shaft (130) of the motor (13), a second screw hole (301) matched with the first screw hole (131) is formed in the electromagnet (30), and a second screw (302) penetrates through the first screw hole (131) and the second screw hole (301) to assemble the electromagnetic assembly (3) on the motor shaft (130).

8. The food processor of claim 7, wherein the cup bottom is provided with crushing unit (4), crushing unit (4) include with blade disc (21) of electromagnetic component (3) adaptation and with the cutter of blade disc (21) equipment, the cutter includes arbor (40) with blade disc (21) equipment and sets up blade (41) on arbor (40) top.

9. The food processor of claim 8, wherein the cup bottom is provided with a containing part (20) for containing the cutter head (21), a second assembling hole (201) is arranged at the center of the top wall of the containing part (20), a third assembling hole (210) is arranged at the center of the cutter head (21), and the cutter shaft (40) penetrates through the second assembling hole (201) and the third assembling hole (210) to be assembled and fixed with the cutter head (21) by means of a third screw (22).

10. The food processor of claim 9, wherein the knife shaft (40) and the motor shaft (130) are coaxially disposed, and the knife disc (21) is provided with an elastic reset member (23) which is sleeved on the knife shaft (40) and is accommodated in the accommodating portion (20).