CN212346189U

CN212346189U - Cooking utensil

Info

Publication number: CN212346189U
Application number: CN202020140828.8U
Authority: CN
Inventors: 燕利波; 田源
Original assignee: Zhejiang Supor Electrical Appliances Manufacturing Co Ltd
Current assignee: Zhejiang Supor Electrical Appliances Manufacturing Co Ltd
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2021-01-15
Anticipated expiration: 2030-01-21

Abstract

The utility model provides a cooking utensil, which comprises a pot body, an electromagnetic heating device and a magnetism isolating sheet, wherein the electromagnetic heating device is arranged in the pot body and is positioned at the bottom of the pot body; the magnetism isolating sheet is arranged on the lower side of the electromagnetic heating device; wherein, the bottom of the cooker body is provided with a fixing part, the magnetism isolating sheet is provided with a mounting hole, and the fixing part penetrates through the mounting hole and clamps the magnetism isolating sheet from the upper side and the lower side of the magnetism isolating sheet. According to the utility model discloses a cooking utensil through wearing to establish the mounting hole with the fixed part and from the upper and lower both sides centre gripping magnetic shield piece, can fix the magnetic shield piece on the base, and the assembly process of magnetic shield piece is comparatively simple, can improve production efficiency, reduction in production cost.

Description

Cooking utensil

Technical Field

The utility model relates to the technical field of household appliances, especially, relate to a cooking utensil.

Background

In the known electromagnetic heating cooking utensil, the magnetic isolation sheet is arranged on the base of the cooking utensil to play a role in magnetic isolation and prevent magnetic leakage towards the outside of the base when the electromagnetic heating device works. However, the magnetic shielding sheet is fixed by the fastening piece, the assembly process of the fixing mode is complex, the production efficiency is low, the production cost is improved, the magnetic shielding sheet is not fixed firmly, and looseness and noise are easy to occur.

Therefore, there is a need to provide a cooking appliance to at least partially solve the above problems.

SUMMERY OF THE UTILITY MODEL

In the summary section a series of concepts in a simplified form is introduced, which will be described in further detail in the detailed description section. The inventive content does not imply any attempt to define the essential features and essential features of the claimed solution, nor is it implied to be intended to define the scope of the claimed solution.

In order to solve the above problem at least partially, the utility model discloses a cooking utensil, it includes:

a pot body;

the electromagnetic heating device is arranged in the cooker body and is positioned at the bottom of the cooker body; and

the magnetism isolating sheet is arranged on the lower side of the electromagnetic heating device;

the cooker comprises a cooker body, a magnetic-isolating sheet, a fixing part and a fixing part, wherein the fixing part is arranged at the bottom of the cooker body, the magnetic-isolating sheet is provided with a mounting hole, and the fixing part penetrates through the mounting hole and clamps the magnetic-isolating sheet from the upper side and the lower side of the magnetic-isolating sheet.

According to the utility model discloses a cooking utensil through wearing to locate the mounting hole with the fixed part and from the upper and lower both sides centre gripping magnetic shield piece, can fix the magnetic shield piece on the base, and the assembly process of magnetic shield piece is comparatively simple, can improve production efficiency, reduction in production cost.

Optionally, the pot body comprises an outer shell and a base arranged on the lower side of the outer shell, and the fixing part is arranged on the upper side of the bottom wall of the base.

According to this scheme, the simple structure of the a kind of deep pot body, the manufacturing of being convenient for to can install the upside to the diapire of base with the magnetic sheet that separates.

Optionally, the fixing part comprises a fixing part upper part located on the upper side of the magnetism isolating sheet, a fixing part lower part located on the lower side of the magnetism isolating sheet, and a fixing part neck connected between the fixing part upper part and the fixing part lower part, and the cross-sectional area of the fixing part upper part is larger than that of the fixing part neck.

According to the scheme, the fixing part is simple in structure, and the cross sectional area of the upper part of the fixing part is larger than that of the neck of the fixing part, so that the magnetism isolating sheet is clamped.

Optionally, the fixation section neck is configured as a cylindrical structure, and the fixation section neck is fitted at the mounting hole.

According to this scheme, the simple structure of fixed part neck to be convenient for wear to locate the mounting hole with the fixed part.

Optionally, the lower part of the fixing part is connected with the bottom wall, and the magnetic shielding sheet is clamped between the upper part of the fixing part and the lower part of the fixing part.

According to the scheme, the fixing part is simple in structure, and the magnetic separation sheet can be firmly clamped between the upper part of the fixing part and the lower part of the fixing part.

Optionally, the cross-sectional area of the lower portion of the retainer portion is greater than the cross-sectional area of the neck portion of the retainer portion.

According to the scheme, the magnetism isolating sheet can be firmly clamped between the upper part of the fixing part and the lower part of the fixing part, and the lower part of the fixing part can support the magnetism isolating sheet at the preset height position of the base.

Optionally, the bottom of the pot body comprises at least two spaced-apart fixing parts, and the number and the positions of the mounting holes correspond to those of the fixing parts, respectively.

According to this scheme, through setting up two at least fixed parts, can make the fixed comparatively firm of magnetic shield.

Optionally, the lower side surface of the upper part of the fixing part is adhered to the magnetism isolating sheet.

According to this scheme, can be with on the diapire of magnetic sheet is comparatively firmly fixed to the base at the magnetic isolation.

Optionally, the magnetic shield is configured as an annular thin plate-like structure.

According to the scheme, the magnetic separation sheet is simple in structure and convenient to manufacture and install.

Optionally, the base further includes a blocking portion configured to extend upward from the upper surface of the bottom wall, and the fixing portion is disposed circumferentially outside the blocking portion.

According to this scheme, through setting up the stopper, can separate magnetic shield piece and other electrical components apart from.

Drawings

The following drawings of the embodiments of the present invention are provided as a part of the present invention for understanding the present invention. There are shown in the drawings, embodiments and descriptions thereof, which are used to explain the principles of the invention. In the drawings, there is shown in the drawings,

fig. 1 is a schematic structural view of a cooking appliance according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view of a portion of the cooking utensil of FIG. 1, wherein only the base and the electromagnetic heating device and the magnetic shield are shown;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a partial schematic structural view of the cooking appliance of FIG. 1, wherein only the base and the magnetic shield are shown;

FIG. 5 is another partial schematic structural view of the cooking appliance of FIG. 1, wherein only the base and the magnetic shield are shown; and

fig. 6 to 8 are schematic views illustrating a molding process of an upper portion of a fixing portion of a base of the cooking appliance in fig. 1.

Description of reference numerals:

10: mechanical arm

100: cooking utensil

110: pot body

120: cover body

130: base seat

131: bottom wall

132: fixing part

133: barrier section

134: upper part of the fixed part

135: lower part of the fixed part

136: neck part of fixing part

150: magnetic isolation sheet

151: mounting hole

160: outer casing

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that embodiments of the invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring embodiments of the present invention.

In the following description, a detailed structure will be presented for a thorough understanding of embodiments of the invention. It is apparent that the implementation of the embodiments of the present invention is not limited to the specific details familiar to those skilled in the art.

The utility model provides a cooking utensil 100. According to the utility model discloses a cooking utensil 100 can be electric rice cooker, electric pressure cooker or other cooking utensil, and cooking utensil 100 except having the function of cooking rice, can also have various functions such as cooking congee, a kind of deep pot hot water.

A cooking appliance 100 according to the present invention will be described in detail with reference to fig. 1 to 8.

As shown in fig. 1, the cooking utensil 100 mainly includes a pot body 110 and a lid 120, and the lid 120 is openably and closably disposed on the pot body 110. An inner pot (not shown) is provided in the pot body 110, and a cooking space may be formed between the cover body 120 and the inner pot when the cover body 120 is closed over the pot body 110. The pot body 110 is substantially in a rounded rectangular parallelepiped shape, and has a cylindrical-shaped receiving portion. The inner pot may be configured to be freely put into or taken out of the receiving part to facilitate cleaning of the inner pot, or configured to be fixed in the pot body 110 so as not to be taken out of the pot body 110. The inner pot is generally made of a metal material for containing a material to be heated, such as rice, soup, etc. Further, a control device is further provided in the pot body 110, and a user can control the cooking operation of the cooking appliance 100 through the control device.

As shown in fig. 2, the cooking appliance 100 further includes an electromagnetic heating device 140 and a magnetic shielding sheet 150. The electromagnetic heating device 140 is provided in the pot body 110 and is located at the bottom of the pot body 110. The magnetism insulator 150 is disposed at a lower side of the electromagnetic heating device 140. As shown in fig. 2, the fixing part 132 is provided at the bottom of the pot body 110, and the magnetism isolating piece 150 is provided with a mounting hole 151. The mounting hole 151 is configured as a circular through-hole. The fixing portion 132 is inserted into the mounting hole 151, and the magnetic shield 150 is clamped from the upper and lower sides of the magnetic shield 150 to fix the magnetic shield 150 on the base 130. Therefore, the assembling process of the magnetism isolating sheet 150 is simple, the production efficiency can be improved, and the production cost can be reduced.

Referring back to fig. 1, in particular, the pot body 110 includes an outer case 160 and a base 130 disposed at the lower side of the outer case 160. As shown in fig. 2, the electromagnetic heating device 140 is disposed on the upper side of the base 130, and the inner pot (not shown) is disposed on the upper side of the electromagnetic heating device 140, and the electromagnetic heating device 140 can heat the food in the inner pot. The fixing portion 132 is disposed on the upper side of the bottom wall 131 of the base 130 such that the magnetic shield sheet 150 is disposed between the electromagnetic heating device 140 and the base 130.

In the present embodiment, the magnetism insulator sheet 150 is configured in an annular thin plate-like structure. It will be understood by those skilled in the art that the structure of the magnetism-isolating sheet 150 is not limited to the present embodiment, and the magnetism-isolating sheet 150 may be configured in a plate-like structure of a circular shape, a regular polygon shape, or any suitable shape, as required.

The base 130 may include at least two spaced fixing portions 132, and the number and the positions of the mounting holes 151 may correspond to those of the fixing portions 132, respectively, thereby enabling the fixing of the magnetism isolating sheet 150 to be firm.

As shown in fig. 3 to 5, the fixing portion 132 includes a fixing portion upper portion 134 located on the upper side of the magnetism isolating piece 150, a fixing portion lower portion 135 located on the lower side of the magnetism isolating piece 150, and a fixing portion neck portion 136 connected between the fixing portion upper portion 134 and the fixing portion lower portion 135. The cross-sectional area of the retainer portion upper portion 134 is greater than the cross-sectional area of the retainer portion neck portion 136.

Specifically, a portion of the fixing portion 132 located at an upper side of the magnetic shield 150 is process-molded into the fixing portion upper portion 134 such that a lower side surface of the fixing portion upper portion 134 is adhered to the magnetic shield 150. The retainer portion lower portion 135 is connected to the bottom wall 131, and the retainer portion lower portion 135 has a cross-sectional area greater than the retainer portion neck 136. The lower surface support part 135 of the magnetism isolating piece 150 is provided on the fixing part lower part 135, and the fixing part lower part 135 can support the magnetism isolating piece 150 at a predetermined height position. The fixing portion neck 136 may be generally configured as a cylindrical structure, and the fixing portion neck 136 is fitted at the mounting hole 151.

Further, the cross-sectional area of the fixing portion upper portion 134 is greater than the cross-sectional area of the mounting hole 151, the cross-sectional area of the fixing portion neck portion 136 is less than the cross-sectional area of the mounting hole 151, and the cross-sectional area of the fixing portion lower portion 135 is greater than the cross-sectional area of the mounting hole 151. Thereby, the magnetic shield 150 can be sandwiched between the fixing portion upper 134 and the fixing portion lower 135.

Referring back to fig. 2, the base 130 may further include a stopper 133, the stopper 133 being disposed at an upper surface of the bottom wall 131 and configured to extend upward from the upper surface of the bottom wall 131. The stopper 133 is provided at the circumferential inner side of the magnet-shielding sheet 150 to be able to space the magnet-shielding sheet 150 from other electric components. The fixing portion 132 is disposed circumferentially outside the stopper portion 133.

In the present embodiment, the process forming step for forming the fixing portion upper portion 134 may be ultrasonic heat deformation forming, or electric heat high temperature forming, or rotary head spinning forming. Specifically, as shown in fig. 3 and 4, the fixing portion 132 is first passed through the mounting hole 151 to place the magnetism-isolating sheet 150 on the upper surface of the supporting portion 135, and then a portion of the fixing portion 132 on the upper side of the magnetism-isolating sheet 150 is thermally fused into a fixing portion upper portion 134 using a dedicated apparatus (e.g., an ultrasonic apparatus, a pulse hot-pressing apparatus, or a general machine tool (e.g., a drill press) apparatus), and the fixing portion upper portion 134 is bonded on the upper surface of the magnetism-isolating sheet 150 to fix the magnetism-isolating sheet 150 on the base 130.

The utility model also provides a processing method of spacing to cooking utensil 100's casing (for example base 130) with magnetism isolating sheet 150, it includes at least following step:

step a: limiting the shell on the workbench;

step b: preliminarily mounting the magnetic shield sheet 150 to the case by passing the fixing portion 132 through the mounting hole 151;

step c: the portion of the fixing portion 132 located above the magnetism isolating piece 150 is deformed and molded into a fixing portion upper portion 134 such that the magnetism isolating piece 150 is sandwiched between the fixing portion upper portion 134 and a fixing portion lower portion 135 of the fixing portion located below the magnetism isolating piece 150.

In step c, the fixing portion upper part 134 may be formed by applying ultrasonic waves to the portion of the fixing portion 132 located above the magnetic shield 150 using the machine 10. Preferably, the value range of the vibration frequency f of the ultrasonic wave is more than or equal to 30KHz and less than or equal to 35 KHz.

As shown in fig. 6, the robot 10 is disposed above the portion of the fixing portion 132 located above the magnetism isolating sheet 150 with a gap therebetween. As shown in fig. 7, the robot 10 moves downward and contacts the fixing portion 132, and the fixing portion 132 applies ultrasonic waves. As shown in fig. 8, the robot 10 moves down to a position close to or in contact with the magnetism-shielding sheet 150, so that the portion of the fixing portion 132 located at the upper side of the magnetism-shielding sheet 150 is heat-fusion molded into the fixing portion upper portion 134. The shape of the fixing portion upper portion 134 is adapted to the shape of the lower end surface of the robot 10. Specifically, the fixing portion upper portion 134 may have a flat head shape or a hemispherical shape having a cross-sectional area larger than that of the mounting hole.

In an embodiment, not shown, in step c, a portion of the fixing portion 132 on the upper side of the magnetism isolating sheet 150 may be pressed by applying a method of pressing with a rotating head to be molded into the fixing portion upper portion 134.

In another embodiment, not shown, in the step c, a portion of the fixing portion 132 located at an upper side of the magnet-shielding sheet 150 may be molded into the fixing portion upper portion 134 by applying high temperature heating thereto using a robot. Preferably, the value range of the heating temperature T of the high-temperature heating is more than or equal to 140 ℃ and less than or equal to 200 ℃.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Terms such as "disposed" and the like, as used herein, may refer to one element being directly attached to another element or one element being attached to another element through intervening elements. Features described herein in one embodiment may be applied to another embodiment, either alone or in combination with other features, unless the feature is otherwise inapplicable or otherwise stated in the other embodiment.

The present invention has been described in terms of the above embodiments, but it is to be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the described embodiments. It will be appreciated by those skilled in the art that many more modifications and variations are possible in light of the above teaching and are intended to be included within the scope of the invention.

Claims

1. A cooking appliance, comprising:

a pot body (110);

an electromagnetic heating device (140) disposed in the pot body and located at the bottom of the pot body; and

the magnetism isolating sheet (150) is arranged on the lower side of the electromagnetic heating device;

the cooker comprises a cooker body, and is characterized in that a fixing part (132) is arranged at the bottom of the cooker body, the magnetism isolating sheet is provided with a mounting hole (151), and the fixing part penetrates through the mounting hole and clamps the magnetism isolating sheet from the upper side and the lower side of the magnetism isolating sheet.

2. The cooking appliance according to claim 1, wherein the pot body comprises an outer shell (160) and a base (130) provided at a lower side of the outer shell, the fixing portion being provided at an upper side of a bottom wall (131) of the base.

3. The cooking appliance according to claim 2, wherein the fixing portion comprises a fixing portion upper portion (134) located at an upper side of the magnetism isolating sheet and a fixing portion lower portion (135) located at a lower side of the magnetism isolating sheet, and a fixing portion neck (136) connected between the fixing portion upper portion and the fixing portion lower portion, and a cross-sectional area of the fixing portion upper portion is larger than a cross-sectional area of the fixing portion neck.

4. The cooking appliance of claim 3, wherein the fixing portion neck is configured as a cylindrical structure and the fixing portion neck is fitted at the mounting hole.

5. The cooking appliance of claim 3, wherein the lower portion of the fixing portion is connected to the bottom wall, and the magnetic shielding sheet is sandwiched between the upper portion of the fixing portion and the lower portion of the fixing portion.

6. The cooking appliance of claim 3, wherein a cross-sectional area of the lower portion of the fixing portion is greater than a cross-sectional area of the neck portion of the fixing portion.

7. The cooking appliance of claim 1, wherein the bottom of the pot body includes at least two spaced apart fixtures, the number and location of the mounting holes corresponding to the number and location of the fixtures.

8. The cooking appliance according to claim 3, wherein the lower side surface of the upper portion of the fixing portion is adhered to the magnetic shielding sheet.

9. The cooking appliance according to any one of claims 1 to 8, wherein the magnetic shielding sheet is configured as an annular thin plate-like structure.

10. The cooking appliance of claim 2, wherein the base further comprises a blocking portion (133) configured to extend upward from the upper surface of the bottom wall, and the fixing portion is disposed circumferentially outward of the blocking portion.