CN107440474B

CN107440474B - Cooking utensil

Info

Publication number: CN107440474B
Application number: CN201710291641.0A
Authority: CN
Inventors: 王红林; 钟辰根
Original assignee: Zhejiang Supor Electrical Appliances Manufacturing Co Ltd
Current assignee: Zhejiang Supor Electrical Appliances Manufacturing Co Ltd
Priority date: 2017-04-28
Filing date: 2017-04-28
Publication date: 2023-09-12
Anticipated expiration: 2037-04-28
Also published as: CN107440474A

Abstract

The invention provides a cooking utensil which comprises a cooker body, a cover body and a middle plate component. The inner pot is arranged in the pot body, the pot body comprises a shell and a base, the shell is provided with a top wall and a side wall extending downwards along the top wall, and the shell is connected to the base; the cover body is arranged on the cooker body in an openable and closable manner, and when the cover body is covered on the cooker body, a cooking space is formed between the cover body and the inner cooker; the medium plate subassembly is including setting up in the medium plate of roof below, setting up in the fixed plate of roof top and pass medium plate, roof and fixed plate in order so that medium plate, shell and fixed plate fastening together's mounting. According to the cooking utensil, the cooker body comprises the integrated shell structure with the top wall and the side wall, and the middle plate is arranged below the shell, so that an exposed assembling gap does not exist between the shell and the middle plate, and water, dust and the like can be prevented from entering the cooking utensil. The integrated shell structure can reduce production procedures, improve assembly efficiency and remarkably reduce production cost.

Description

Cooking utensil

Technical Field

The present invention relates to a cooking appliance.

Background

The existing structure around the opening of the top of the pot body for placing the inner pot of many cooking appliances including electric rice cooker, electric frying pot, electric pressure cooker and the like mainly comprises a middle plate. The middle plate is generally made of plastic or other materials, and a middle plate cover such as metal is fixed on the middle plate cover, so that the middle plate is more attractive and convenient to clean. The existing middle plate and the middle plate cover on the existing middle plate are generally clamped together through a clamping device or a clamping mechanism. The manufacturing of the clamping mechanism is complex, so that the machining process of the middle plate cover is complex, the difficulty is high, the precision is required to be high, the cost of the product is increased, and the assembly difficulty is increased. In addition, an assembly gap exists between the shell of the cooker body and the middle plate cover, and the accuracy of the assembly gap is not easy to control during mass production. In the use, water and dust and the like easily enter the interior of the cooking utensil through the assembly clearance, are difficult to clean, and can influence the service life of the cooking utensil after long-time accumulation.

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

Disclosure of Invention

In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the invention is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

To at least partially solve the above problems, the present invention provides a cooking appliance including:

a cooker body, an inner pot is arranged in the cooker body, the cooker body comprises,

a base;

a housing having a top wall and side walls extending downwardly along the top wall, the housing being connected to the base;

the cover body is arranged on the cooker body in an openable and closable manner, and when the cover body is covered on the cooker body, a cooking space is formed between the cover body and the inner cooker; and

a midplane assembly comprising,

the middle plate is arranged below the top wall;

the fixing plate is arranged above the top wall; and

and the fixing piece sequentially passes through the middle plate, the top wall and the fixing plate so as to fasten the middle plate, the shell and the fixing plate together.

According to the cooking utensil, the cooker body comprises the integrated shell structure with the top wall and the side wall, and the middle plate is arranged below the shell, so that an exposed assembling gap does not exist between the shell and the middle plate, and water, dust and the like can be effectively prevented from entering the cooking utensil. And moreover, the integrated shell structure can reduce production procedures, improve assembly efficiency and remarkably reduce production cost.

Optionally, the fixed plate is provided with towards the mounting installation department that the roof extends, is used for connecting the mounting, the roof is provided with the heavy platform of roof, the medium plate is provided with the medium plate and sinks the platform, the mounting installation department stretches into the heavy platform of roof, the heavy platform of roof stretches into the medium plate sinks the platform. Therefore, through the design of the sinking table, the fixing plate, the middle plate and the top wall can be positioned and assembled more conveniently, and the assembly efficiency is improved.

Optionally, an upward raised step is provided on the upper surface of the top wall at a position close to the inner pot. Therefore, the step part is arranged, water can be effectively prevented from entering the cooking utensil through the gap between the inner pot and the top wall, and the strength of the shell can be increased.

Optionally, the outer edge of the fixing plate is provided with a rib extending downwards, and the lower surface of the rib is attached to the upper surface of the step part. Therefore, water can be further prevented from entering the cooking utensil through the gap between the inner pot and the top wall.

Optionally, the top wall has an opening for the inner pot to pass through, and an edge of the opening has an upward bending portion. Therefore, the upward bending part is arranged, so that water can be effectively prevented from entering the cooking utensil through the gap between the inner pot and the top wall.

Optionally, the fixing plate covers the upward bending part. Therefore, the edge of the upward bending part can be prevented from being scratched, the safety of a user is protected, and the outside of the top wall can achieve the attractive effect.

Optionally, the midplane has a downwardly extending midplane sidewall for supporting the sidewall of the enclosure. Thereby, the middle plate can better support the housing.

Optionally, the side wall of the housing is detachably connected with the base by a buckle or a screw. Thus, the assembly is simple and easy to implement, and the detachable connection makes it easy to maintain the cooking appliance.

Optionally, the housing is made of a metallic material. Therefore, the surface treatment consistency of the shell made of the metal material is good, the integrity is strong, and the strength is good.

Optionally, a coil disc is arranged in the cooker body and is used for heating the inner pot, and the coil disc is arranged below the inner pot and is connected to the middle plate and/or the base through screws respectively. Thereby, the coil disc is arranged below the inner pot, the heating effect can be optimized, and the coil disc can be kept fixed by being connected to the middle plate and/or the base.

Optionally, a heat-insulating ring is arranged in the cooker body, and the heat-insulating ring is arranged on the outer side of the inner cooker and surrounds the inner cooker for a circle. Therefore, the heat preservation ring is arranged, so that the inner pot can be preserved and has the heat insulation function so as to protect other parts in the pot body.

Optionally, the fixing plate has an extension portion extending downward from the opening of the top wall, an edge of the extension portion is provided with a notch, and an upper edge of the heat-insulating ring is provided with a protrusion corresponding to the notch of the extension portion, and the protrusion extends into the notch. Therefore, the heat preservation ring can be limited, and the heat preservation ring is firmly installed.

Drawings

The following drawings of embodiments of the present invention are included as part of the invention. Embodiments of the present invention and their description are shown in the drawings to explain the principles of the invention. In the drawings of which there are shown,

fig. 1 is a perspective view schematically showing a cooking appliance according to a preferred embodiment of the present invention;

fig. 2 is an exploded perspective view of the cooking appliance of fig. 1;

FIG. 3 is a cross-sectional view of the cooking appliance shown in FIG. 1;

fig. 4 is an enlarged view of a portion a in fig. 3; and

fig. 5 is an enlarged view of a portion B in fig. 3.

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 details. In other instances, well-known features have not been described in detail in order to avoid obscuring the embodiments of the invention.

In the following description, a detailed structure will be presented for a thorough understanding of embodiments of the present invention. It will be apparent that embodiments of the invention may be practiced without limitation to the specific details that are set forth by those skilled in the art.

Hereinafter, a cooking appliance according to a preferred embodiment of the present invention will be described with reference to fig. 1. It is understood that the cooking appliance according to the present invention may be an electric rice cooker, an electric pressure cooker or other cooking appliances, and the cooking appliance according to the present invention may have various functions of cooking porridge, soup, etc., in addition to the function of cooking rice.

The cooking appliance includes a pot body 10, a middle plate assembly 20, and a cover body (not shown in the drawings). As shown in fig. 1 to 3, the pot body 10 is substantially in the shape of a rounded rectangular parallelepiped and has an inner pot receiving part in the shape of a cylinder, and the inner pot 13 can be freely placed in or taken out from the inner pot receiving part to facilitate cleaning of the inner pot 13. The inner pot 13 is generally made of a metal material and has a circular opening on an upper surface for holding a material to be heated, such as rice, soup, etc. The interior of the pot body 10 may be provided with a heating device for heating the inner pot 13, a heat preservation and insulation device, etc. The middle plate component 20 is partially arranged inside the cooker body 10, and partially arranged outside the cooker body 10, so as to play roles of fixing, increasing strength, improving appearance and the like.

The cover may have a shape substantially corresponding to the shape of the pot 10. The cover is pivotally connected to the cooker body 10 in an openable and closable manner for covering the cooker body 10. When the cover body is covered on the cooker body 10, the cover body covers the inner cooker 13, and a cooking space is formed between the cover body and the inner cooker 13. And, the cover is also typically provided with a sealing ring, which may be made of e.g. rubber material, and is arranged between the cover and the inner pot 13 for sealing the cooking space when the cover is in the closed state.

Specifically, the pot body 10 includes a housing 11, a base 12, a coil 14 and a heat-insulating ring 15, etc. provided inside the pot body 10. Wherein, the outer shell 11 has a larger strength to protect the parts inside the cooker body 10 from damage caused by collision, scraping, etc. during use, and the outer surface of the outer shell 11 can be smooth or have patterns, etc. to increase the aesthetic property of the cooking appliance, thereby improving the use experience of users. The housing 11 includes a top wall 111 and side walls 112 extending downwardly from edges of the top wall 111. The top wall 111 has a generally rounded rectangular shape. An opening 113 for the inner pot 13 to pass through is arranged in the middle of the top wall 111, and the shape and the size of the opening 113 are matched with those of the inner pot 13. As shown in fig. 2 and 4, the edge of the opening 113 has an upward bent portion 116. The upward bending portion 116 prevents water from entering the interior of the pot body 10 through the gap between the top wall 111 and the inner pot 13, thereby preventing damage to parts (such as electrical parts, etc.) inside the pot body 10 due to water dipping, and prolonging the service life. Further preferably, as shown in fig. 3 and 4, an upwardly projecting step 114 is also provided at a position of the top wall 111 near the opening 113. The provision of the stepped portion 114 can further prevent water from entering the interior of the cooking appliance through the gap between the inner pot 13 and the top wall 111 on the one hand, and the upwardly convex structure can also increase the strength of the outer case 111 on the other hand. The housing 11 may be made of plastic material or metal material. In this embodiment, the housing 11 is preferably made of a stainless steel material, so that a material having a smaller thickness can be selected on the premise of ensuring strength, thereby reducing the weight of the entire cooking appliance and facilitating use. In addition, the stainless steel shell has good surface treatment consistency, strong integrity and relatively easy processing, and can save materials and reduce cost.

The shape of the base 12 generally conforms to the shape of the housing 11 so as to be coupled to the housing 11 to form the exterior structure of the pot 10. As shown in fig. 2, the base 12 includes a bottom wall and side walls extending upwardly from the bottom wall, and a series of base studs 121 are provided on the interior of the base 12 for securing with components (e.g., coil 14, etc.) on the interior of the pot 10. In addition, the base 12 can be provided as a solid structure, which has the advantage of keeping the overall gravity center of the cooking utensil at a lower position, being difficult to topple over and convenient to use. As shown in fig. 3 and 5, the edge of the side wall of the base 12 is provided with a buckle 122, the edge of the side wall 112 of the housing 11 is provided with a rolled circle 117, and the base 12 and the housing 11 are detachably connected by the engagement between the buckle 122 and the rolled circle 117. By adopting a detachable mode, the parts inside the cooker body 10 can be conveniently maintained and replaced. In addition, the adoption of the buckle structure for clamping connection is simpler, the assembly is very easy, and the production efficiency can be improved to a great extent. It is understood that the base and the shell can be detachably connected by means of screws or the like, or directly connected by means of non-detachable means such as riveting or welding, and the skilled person can specifically design according to practical situations. Preferably, the base 12 is also made of plastic or metal material.

The coil 14 is disposed inside the pot 10 adjacent to the base 12 and is connected to the base 12 by a base stud 121. In the assembled cooking appliance, the coil 14 is located below the inner pot 13 to heat the inner pot 13. The coil 14 is fixed through the base stud 121, so that the position of the coil 14 can be kept fixed, and only the inner pot 13 is heated, thereby ensuring heating efficiency and avoiding damage to other parts caused by the fact that the position of the coil 14 is loose. The heat preservation ring 15 has the radial dimension slightly greater than the external diameter dimension of the inner pot 13, and in the cooking utensil of accomplishing the assembly, the heat preservation ring 15 surrounds the lateral wall round of the inner pot 13, carries out heat preservation and insulation to the inner pot 13, can reduce the heat transfer of inner pot 13 and external world on the one hand, optimizes the heating effect, on the other hand, can avoid the inside other spare part of a kind of deep pot 10 to damage because of the high temperature of inner pot 13 at the during operation.

In addition, the housing 11 has a notch reserved for facilitating the assembly of other parts (such as a handle stop block, an electric wire and the like of the cooking utensil), and after the assembly is completed, the notch is covered by the rear cover plate 16 shown in fig. 2 and 3, so that the interior of the cooker body 10 is kept in a relatively closed environment with the outside, and the inner parts can be isolated and protected.

The midplane assembly 20 includes a midplane 21 and a fixed plate 22. The middle plate 21 is disposed below the top wall 111 of the housing 11, and is used for supporting the housing 11, thereby increasing strength. Thus, the middle plate 21 is generally rounded rectangular in shape and is slightly smaller in size than the housing 10. Preferably, there are also downwardly extending side walls at the edges of the middle plate 21 so that the middle plate 21 supports both the top wall 111 and the side walls 112 of the housing 11. The middle plate 21 can be made of lighter materials, such as nonmetal materials like plastics, so that the whole cooking utensil is lighter and more convenient, the use of users is convenient, and the production cost can be reduced. On the side of the midplane 21 facing the chassis 12, a series of midplane studs 211 are provided. When assembled, the middle plate 21 can be connected to other parts of the cooker body 10 through the middle plate studs 211, such as directly connected to the base 12 or connected to parts such as the coil disk 14, so that the connection strength can be increased, and the middle plate 21 can be better supported. In the present embodiment, the middle plate stud 211 of the middle plate 21 is connected to the coil disk 14. It will be appreciated that the middle plate 21 is correspondingly provided with openings for the inner pot 13 to pass through.

The fixing plate 22 is disposed above the top wall 111 of the housing 11. Specifically, the fixing plate 22 is located at the edge of the opening 113 of the top wall 111. Preferably, the fixing plate 22 covers the upward bent portion 116 of the top wall 111, so that the upward bent portion 116 can be prevented from scratching a user, and the cooking appliance can be maintained to be beautiful as a whole. The fixing plate 22 may have a shape corresponding to the shape of the opening 113, such as a circular ring shape, etc. The fixing plate 22 is provided with a rib 221 extending downward at a position corresponding to the stepped portion 114 of the top wall 111, and after the assembly is completed, the lower surface of the rib 221 is attached to the upper surface of the stepped portion 114, so that water can be better prevented from entering the interior of the cooking appliance through the gap between the inner pot 13 and the top wall 111. The fixing plate 22 is provided with an extension 223 extending downward from the opening 113 of the top wall 111, the edge of the extension 223 is provided with a notch 224, and the upper edge of the heat-insulating ring 15 in the pot body 10 is provided with a protrusion 151 corresponding to the notch 224. When the cooking utensil is assembled, the protrusion 151 of the heat preservation ring 15 extends into the notch 224 of the fixing plate 22, so that the heat preservation ring 15 can be limited, and the heat preservation ring can be kept in a fixed position in the cooking utensil. Also, the notches 224 and the protrusions 151 may be provided to be arranged at intervals and/or irregularly, so that an assembling direction is defined between the insulation ring 15 and the fixing plate 22 by the cooperation of the protrusions 151 and the notches 224, facilitating the assembling production. Preferably, as shown in fig. 4, the edges of the protrusions 151 may be rounded to facilitate assembly.

As shown in fig. 3 and 4, the top wall 111, the middle plate 21 and the fixing plate 22 have mounting holes at corresponding aligned positions, and fixing members (not shown in the drawings) such as screws or bolts may be sequentially passed through the mounting holes of the middle plate 21, the top wall 111 and the fixing plate 22 to fasten the respective components together. Preferably, in the present embodiment, the fixing plate 22 is provided with the fixing link 222 extending toward the top wall 111, the top wall 111 is provided with the top wall sink deck 115 at a position corresponding to the fixing link 222, and the middle plate 21 is provided with the middle plate sink deck 212 at a position corresponding to the fixing link 222. At the time of assembly, the fixing attachment portion 222 may be extended into the top wall sink deck 115, the top wall sink deck 115 is extended into the middle plate sink deck 212, and then the fixing is attached to the fixing attachment portion 222 through the middle plate 21, the top wall 111 in order to fasten the respective components together. The setting of sinking platform structure can make things convenient for the location when the assembly between each part, and the equipment of mounting of being convenient for can improve production efficiency.

It will be appreciated that in this embodiment, the mounting plate 22 is an integral component that facilitates the installation of the midplane assembly 20. In other embodiments, the retaining plate 22 may be at least two separate pieces, such that the retaining plate 22 may be flexibly positioned depending on the location and size of the other components within the pot 10.

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 pertains. The terminology used herein is for the purpose of describing particular implementations only and is not intended to be limiting of the invention. Terms such as "disposed" or the like as used herein may refer to either one element being directly attached to another element or one element being attached to another element through an intermediate member. Features described herein in one embodiment may be applied to another embodiment alone or in combination with other features unless the features are not applicable or otherwise indicated in the other embodiment.

The present invention has been described in terms of the above embodiments, but it should be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the embodiments described. Those skilled in the art will appreciate that many variations and modifications are possible in light of the teachings of the invention, which variations and modifications are within the scope of the invention as claimed.

Claims

1. A cooking appliance, comprising:

a base;

a housing configured as a unitary housing structure having a top wall and side walls extending downwardly along the top wall, the housing being connected to the base;

a midplane assembly comprising,

the middle plate is arranged below the top wall;

the fixing plate is arranged above the top wall; and

a fixing member passing through the middle plate, the top wall and the fixing plate in order to fasten the middle plate, the housing and the fixing plate together;

the fixed plate is provided with a fixed part connecting part extending towards the top wall and used for connecting the fixed part, the top wall is provided with a top wall sinking platform, the middle plate is provided with a middle plate sinking platform, the fixed part connecting part stretches into the top wall sinking platform, and the top wall sinking platform stretches into the middle plate sinking platform.

2. The cooking appliance according to claim 1, wherein an upper surface of the top wall is provided with an upwardly protruding step portion at a position close to the inner pot.

3. The cooking appliance according to claim 2, wherein an outer edge of the fixing plate is provided with a rib extending downward, and a lower surface of the rib is fitted with an upper surface of the stepped portion.

4. The cooking appliance of claim 1 wherein the top wall has an opening for the inner pot to pass through, the edge of the opening having an upward bend.

5. The cooking appliance of claim 4, wherein the fixing plate covers the upward bent portion.

6. The cooking appliance of claim 1 wherein said middle plate has a downwardly extending middle plate side wall for supporting said side wall of said housing.

7. The cooking appliance of claim 1, wherein the side wall of the housing is detachably connected to the base by a snap or screw.

8. The cooking appliance of claim 1, wherein the housing is made of a metallic material.

9. Cooking appliance according to claim 1, characterized in that a coil disc is arranged in the pot body for heating the inner pot, which coil disc is arranged below the inner pot and is connected to the middle plate and/or the base by means of screws, respectively.

10. The cooking appliance according to claim 1, wherein a heat-insulating ring is provided in the pot body, and the heat-insulating ring is provided on the outer side of the inner pot and surrounds the inner pot.

11. The cooking appliance according to claim 10, wherein the top wall has an opening for the passage of the inner pot, the fixing plate has an extension portion extending downward from the opening of the top wall, an edge of the extension portion is provided with a notch, and an upper edge of the heat retaining ring is provided with a protrusion corresponding to the notch of the extension portion, the protrusion protruding into the notch.