CN218009370U - Cooking utensil's panel and cooking utensil - Google Patents

Abstract

The utility model discloses a cooking utensil's panel and cooking utensil, the panel includes: a panel body having a through hole; the display panel is arranged at the through hole through in-mold injection; wherein, the panel body is made of BMC material. According to the utility model discloses cooking utensil's panel, through the display panel of moulding plastics in panel body centre form, and the panel body is the BMC material, make the area of contact of panel body and display panel, the thickness of panel body can design bigger, guarantee panel body and display panel firm in connection, be difficult for droing because of long-term high temperature uses, the junction of panel body and display panel can not have the bright seal of shrink or the inhomogeneous production of shrink simultaneously, and the shaping back surfacing, need not the plastic, thereby be favorable to improving production efficiency.

Description

Cooking utensil's panel and cooking utensil

Technical Field

The utility model relates to a kitchen appliance technical field, more specifically relates to a cooking utensil's panel and cooking utensil.

Background

The cooking utensil usually has a display window, and the display window is formed by adhering a glass panel, a control panel and the like to a plastic part for fixation or injecting a transparent window into an inner mold of the plastic part. However, in the related technology of injecting the injection transparent window in the internal mold of the plastic part, the shrinkage of the area with larger wall thickness is obvious, which causes the poor appearance of the product; and the contact bonding area of the display window and the support piece can only be designed to be small, so that the problems that the display window is not firmly bonded, and the display window is easy to fall off after long-term high-temperature use and the like are caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide a panel of a cooking utensil, which is beneficial to improving the problem of loose connection between the panel body and the display panel.

Another object of the present invention is to provide a cooking utensil with the above panel.

According to the utility model discloses cooking utensil's panel, include: a panel body having a through hole; the display panel is arranged at the through hole through in-mold injection; the panel body is made of BMC.

According to the utility model discloses cooking utensil's panel, through the display panel of moulding plastics in panel body centre form, and the panel body is the BMC material, make the area of contact of panel body and display panel, the thickness of panel body can design bigger, guarantee panel body and display panel firm in connection, be difficult for droing because of long-term high temperature uses, the junction of panel body and display panel can not have the bright seal of shrink or the inhomogeneous production of shrink simultaneously, and the shaping back surfacing, need not the plastic, thereby be favorable to improving production efficiency.

In addition, the panel of the cooking utensil according to the above embodiment of the present invention may also have the following additional technical features:

according to some embodiments of the utility model, the panel body adopts the BMC material that the shrinkage factor is less than or equal to 0.05%.

According to some embodiments of the present invention, one of the outer peripheral surface of the display panel and the inner peripheral surface of the through hole is provided with a limit projection, and the other is provided with two fitting projections arranged at a distance from each other, the limit projection being located between the two fitting projections.

According to some embodiments of the invention, the limiting protrusion and the fitting protrusion are annular ribs extending in the circumferential direction of the display panel.

According to some embodiments of the invention, the minimum thickness of the display panel is greater than or equal to 0.8mm, and the minimum thickness of the panel body is greater than or equal to 2mm.

According to some embodiments of the invention, the working surface of the panel body is coplanar with the display surface of the display panel.

According to some embodiments of the present invention, the forming temperature of the panel body is less than or equal to 160 ℃, and the heat resistant temperature of the display panel is greater than or equal to 140 ℃.

According to some embodiments of the present invention, the display panel is made of PC, acryl, glass, PET or ABS.

According to the utility model discloses cooking utensil of embodiment includes according to the utility model discloses cooking utensil's panel.

According to some embodiments of the utility model, the cooking utensil is electromagnetism stove, electric rice cooker, insulating pot or broken wall machine.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an exploded view of a panel according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a panel according to an embodiment of the invention;

FIG. 3 is an enlarged schematic view of FIG. 2 at circle A;

fig. 4 is a cross-sectional view of a display panel according to an embodiment of the present invention.

Reference numerals are as follows:

a panel 100;

a panel body 10; a through-hole 101; a fitting convex portion 11; a work surface 12;

a display panel 20; a limit protrusion 21; a display surface 22.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the invention, "a first feature" or "a second feature" may include one or more of the features, "a plurality" means two or more, the first feature may be "on" or "under" the second feature, including the first and second features being in direct contact, or may include the first and second features being in contact through another feature not in direct contact, but in between, and the first feature being "on", "above" or "over" the second feature may include the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

The panel 100 of the cooking appliance and the cooking appliance having the same according to the embodiments of the present invention are described below with reference to the accompanying drawings.

The cooking appliance according to the embodiment of the present invention includes the panel 100 of the cooking appliance according to the embodiment of the present invention.

In some embodiments, the cooking appliance may be an induction cooker, an electric kettle, a wall breaking machine, or the like having a display window.

Referring to fig. 1 to 3, a panel 100 of a cooking appliance according to an embodiment of the present invention may include: a panel body 10 and a display panel 20.

Specifically, the panel body 10 has a through hole 101, and the display panel 20 is provided at the through hole 101 for displaying cooking information, such as at least one of a cooking function, a cooking temperature, a cooking time, and the like. In some embodiments, the display panel 20 may be a transparent (or semi-transparent) window, which is disposed at the through hole 101 as a display window; in other embodiments, the display panel 20 may be a display screen or other structures having a display function, which is within the scope of the present invention.

In addition, the display panel 20 may be disposed at the through hole 101 by in-mold injection to achieve connection with the panel body 10. Specifically, the display panel 20 formed in advance is placed in a fixed position in a forming mold of the panel 100, the raw material is injected into a mold cavity after mold closing, and curing molding is performed at a set temperature, so that the display panel 20 is adhesively fixed to the panel body 10.

In some related technologies, when a transparent window is injected into a plastic part inner mold to serve as a display window, the shrinkage rate of different materials is inconsistent, so that the shrinkage rate of a part with a larger wall thickness (for example, larger than 3 mm) is obvious after the injection molding in the mold, and the appearance is poor. Moreover, because the shrinkage rate of the conventional plastic material is large, when the structure of the transparent window and the supporting piece is designed, the contact bonding area of the transparent window and the supporting piece can only be designed to be small, so that the transparent window is often bonded insecurely and is easy to fall off after long-term high-temperature use.

Based on this, in the embodiment of the present invention, the panel body 10 may be made of BMC material. The panel body 10 of BMC material can injection moulding, and the shrinkage factor is less, can reduce the shrinkage factor difference of panel body 10 and display panel 20, make when the structure of design panel body 10 size and panel body 10 and display panel 20 junction, can increase panel body 10's thickness as required, increase area of contact, increase the panel thickness of display panel 20 and panel body 10 junction, guarantee simultaneously that the junction can not have the bright seal of shrink or the inhomogeneous production of shrink, the while shaping back surface is level and smooth, need not the plastic, the shaping qualification rate and production efficiency have been improved greatly.

In some embodiments, the panel body 10 is made of a BMC material having a shrinkage rate of less than or equal to 0.05%, so as to ensure a better effect of consistent shrinkage in different thickness regions after the panel body 10 is molded. For example, in some embodiments, the shrinkage rate of the panel body 10 is 0.03% to 0.05%. Within the value range, the shrinkage of different thickness areas after the panel body 10 is molded is consistent, the deformation is small, the cost of the panel body 10 is low, and therefore the production cost is reduced.

In addition, the BMC material has good temperature resistance (such as heat resistance temperature of 150-280 ℃), aging resistance, stability and rigidity, can be used at high temperature for a long time, and avoids the phenomenon that the matching structure of the BMC material and the display panel 20 is easy to age due to high cooking temperature of a cooking utensil; the BMC material has small shrinkage rate, can be subjected to injection molding, can meet the complex structural requirement of matching with the display panel 20, is convenient to process, has small deformation after molding, does not need a tool to carry out shaping or is simpler in tool shaping operation, and is favorable for improving the production efficiency. BMC material forming temperature is low, can the multiple material of adaptation display panel 20, improves display panel 20's selectivity, and guarantees that the inside shrinkage stress of mould plastics in-process panel body 10 is even in the mould, avoids the regional shrink of different thickness after the shaping nonconformities and leads to the outward appearance bad.

In addition, the BMC material has high corrosion resistance and stain resistance, excellent flow property, insulation and flame retardance, excellent mechanical property, stable color and rich colors, and can meet the requirements of the panel 100 on various aspects such as corrosion resistance, easiness in cleaning, non-flammability and the like.

According to the utility model discloses cooking utensil's panel 100, through injection moulding display panel 20 in panel body 10 centre form, and panel body 10 is the BMC material, make panel body 10 and display panel 20's area of contact, the thickness of panel body 10 can design bigger, guarantee panel body 10 and display panel 20 firm in connection, be difficult for coming off because of long-term high temperature uses, there is not the bright seal of shrink or the inhomogeneous production of shrink in panel body 10 and display panel 20's combination department simultaneously, and the shaping rear surface levels, need not the plastic, thereby be favorable to improving production efficiency.

Because according to the utility model discloses cooking utensil's panel 100 has above-mentioned profitable technological effect, consequently according to the utility model discloses cooking utensil, through injection moulding display panel 20 in panel body 10 centre form, and panel body 10 is the BMC material, make panel body 10 and display panel 20's area of contact, panel body 10's thickness can design bigger, guarantee panel body 10 and display panel 20 firm in connection, be difficult for coming off because of long-term high temperature uses, panel body 10 and display panel 20's junction can not have the bright seal of shrink or the inhomogeneous production of shrink simultaneously, and the shaping back surface is level and smooth, need not the plastic, thereby be favorable to improving production efficiency.

In the related technology, the plastic material is high in temperature during injection molding, if the temperature of the plastic material is higher than 180 ℃, the temperature of a transparent window placed in a mold is lower, the temperature difference is larger, the cooling rate difference of the plastic material is large, the internal shrinkage stress of a product is concentrated, the deformation of the product after molding is large, a tool is required for shaping, and the production efficiency is low.

And according to the utility model discloses a some embodiments, the shaping temperature of panel body 10 is less than or equal to 160 ℃, and shaping temperature is lower, can adapt the display panel 20 of multiple material, and the display panel 20 material selectivity is more to in-mould injection moulding process, the back in the display panel 20 was put into the mould, was difficult for leading to the temperature difference too big, thereby it is little to guarantee to warp behind the product shaping, need not work to carry out the plastic, has improved production efficiency. For example, in some embodiments, the forming temperature of the panel body 10 is 120 ℃ to 160 ℃, and in the above value range, not only is the deformation of the product after forming ensured to be small, but also the aging of the panel body 10 caused by high temperature in the working process of the cooking appliance is avoided.

In addition, in some embodiments, the display panel 20 has a heat resistant temperature greater than or equal to 140 ℃, so that the display panel 20 is not easily softened or deformed in the structure during the in-mold molding process, the final panel 100 has a good appearance, the display panel 20 and the panel body 10 have a strong adhesive strength, and the display panel 20 is not easily aged during the operation of the cooking appliance.

For example, the display panel 20 may be made of PC (polycarbonate), acrylic, glass, PET (polyethylene terephthalate), or ABS (terpolymer of three monomers of acrylonitrile, butadiene, and styrene). The material has the advantages of good permeability, stable structure, heat resistance, corrosion resistance, flat and glossy surface and the like, and is beneficial to improving the quality of the display panel 20.

The following describes a structure of the panel body 10 and the display panel 20 according to some embodiments of the present invention with reference to the accompanying drawings.

The panel body 10 has a small shrinkage rate, so that the structure of the bonding part between the panel body 10 and the display panel 20 can increase the contact area, and the thicknesses of the display panel 20 and the panel body 10 can be increased without the problem of poor shape.

For example, according to some embodiments of the present invention, as shown in fig. 2 to 4, the outer circumferential surface of the display panel 20 is provided with the limit projection 21 to form two L-shaped step structures at both sides of the thickness direction of the limit projection 21, the inner circumferential surface of the through hole 101 of the panel body 10 is provided with two fitting projections 11 arranged at a distance, and the sides of the two fitting projections 11 close to each other also form two step structures. When the display panel 20 is disposed at the through hole 101, the limiting protrusion 21 is located between the two matching protrusions 11, in other words, the two step structures of the display panel 20 are correspondingly contacted and matched with the two step structures of the panel body 10 to be bonded and molded, so as to achieve the in-mold injection fixing. The contact area between the panel body 10 and the display panel 20 is remarkably increased, the two matching convex parts 11 can limit the display panel 20 from two sides along the depth direction of the through hole 101, the fixation between the panel 100 cup body and the display panel 20 is firm, and the display panel 20 cannot fall off even if the cooking utensil is used at high temperature for a long time.

Of course, the positions of the limit protrusions 21 and the fitting protrusions 11 may be interchanged, and specifically, the outer circumferential surface of the display panel 20 may be provided with two fitting protrusions 11 arranged at intervals, the inner circumferential surface of the through hole 101 of the panel body 10 may be provided with the limit protrusions 21, and the display panel 20 is provided at the through hole 101 such that the limit protrusions 21 are located between the two fitting protrusions 11. This also makes it possible to increase the contact area between the display panel 20 and the panel body 10, and to bond the panel 100 to the two fitting projections 11 via the stopper projection 21, thereby stopping the display panel 20 in the depth direction of the through hole 101 and preventing the display panel 20 from falling off.

In some embodiments, the limiting protrusion 21 is an annular rib extending along the circumferential direction of the display panel 20, and the matching protrusion 11 is an annular rib extending along the circumferential direction of the display panel 20, so that the contact matching area between the limiting protrusion 21 and the matching protrusion 11 is larger, the limiting is more stable, the effect of preventing the display panel 20 from falling off is better, and the processing and forming are easier.

According to some embodiments of the present invention, as shown in fig. 2 to 4, the minimum thickness of the display panel 20 is greater than or equal to 0.8mm, and the thickness of the display panel 20 is large enough to ensure the contact fit area between the display panel 20 and the panel body 10, and ensure the connection reliability between the display panel 20 and the panel body 10.

Here, the thickness of the display panel 20 at any position can be understood as the distance between the two side surfaces parallel to each other at the position, for example, L1, L2, L3, and L4 shown in fig. 4. L1, L2, L3 and L4 are all greater than or equal to 0.8mm.

In addition, as shown in fig. 3 and 4, the surface of the display panel 20 facing the outside of the cooking appliance is formed as a display surface 22, the surface of the display panel 20 facing the inside of the cooking appliance may be provided with a groove, the outer circumferential surface of the groove side wall of the groove has a large enough area to provide the limiting convex part 21 or the fitting convex part 11, the contact area with the panel body 10 can be increased, and the thickness of the groove side wall and the groove bottom wall of the groove may be more uniform, so that the thickness of each region of the display panel 20 is more uniform, thereby the shrinkage of the display panel 20 is consistent everywhere in the molding process, the deformation of the display panel 20 after molding is avoided to be large, the processing error of the display panel 20 is small, and the processing yield is higher.

According to some embodiments of the present invention, as shown in fig. 2 to 4, the minimum thickness of the panel body 10 is greater than or equal to 2mm, and the thickness of the panel body 10 is large enough to ensure the contact matching area between the display panel 20 and the panel body 10, and ensure the connection reliability between the display panel 20 and the panel body 10. For example, as shown in fig. 3, after the edge of the through hole 101 of the panel body 10 is a little thick, the thickness of the area slightly away from the through hole 101 is a little thin L5, and L5 is greater than or equal to 2mm, and the thickness of the edge of the through hole 101 is greater than L5, so that the contact area between the panel body 10 and the display panel 20 is large, and the overall structural strength of the panel body 10 is large.

In some embodiments of the present invention, as shown in fig. 1-4, the panel body 10 has a working surface 12, that is, the surface of the panel body 10 facing the outside of the cooking utensil is formed as the working surface 12, and during the use of the cooking utensil, the container to be heated can be placed on the working surface 12 to be heated by the cooking utensil. The display panel 20 has a display surface 22, and a user can view operation information of the cooking appliance through the display surface 22. In addition, the working surface 12 of the panel body 10 and the display surface 22 of the display panel 20 are coplanar, so that the transition between the display panel 20 and the panel body 10 is smooth, the accumulation of dirt such as dust in the gap between the panel body 10 and the display panel 20 is avoided, the influence of water stain and the like on the connection reliability between the panel body 10 and the display panel 20 caused by the entering between the panel body 10 and the display panel 20 is avoided, and the integrity of the outer surface of the panel 100 is improved.

Other constructions and operations of the cooking appliance according to the embodiments of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present specification, references to the description of the terms "embodiment," "specific embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A cooking appliance faceplate, comprising:

a panel body having a through hole;

the display panel is arranged at the through hole through in-mold injection;

wherein, the panel body is made of BMC material.

2. The cooking utensil panel of claim 1 wherein the panel body is a BMC having a shrinkage rate of less than or equal to 0.05%.

3. The cooking appliance as set forth in claim 1, wherein one of the outer peripheral surface of the display panel and the inner peripheral surface of the through hole is provided with a limit projection, and the other is provided with two fitting projections arranged at a distance, the limit projection being located between the two fitting projections.

4. The cooking utensil panel of claim 3 wherein the retaining protrusion and the mating protrusion are each an annular rib extending circumferentially of the display plate.

5. The cooking appliance panel according to claim 1, wherein the display panel has a minimum thickness of 0.8mm or more and the panel body has a minimum thickness of 2mm or more.

6. The cooking appliance panel of claim 1, wherein the working surface of the panel body is coplanar with the display surface of the display panel.

7. The cooking appliance panel according to claim 1, wherein the panel body is formed at a temperature of 160 ℃ or less and the display panel has a heat resistant temperature of 140 ℃ or more.

8. The cooking appliance panel according to any one of claims 1 to 7, wherein the display panel is made of PC, acryl, glass, PET or ABS.

9. Cooking appliance, characterized in that it comprises a panel of a cooking appliance according to any one of claims 1 to 8.

10. The cooking appliance of claim 9, wherein the cooking appliance is an induction cooker, an electric rice cooker, an electric kettle, or a wall breaking machine.

Images