Microwave shielding device, door body assembly, cover body and cooking utensil

Abstract

The invention provides a microwave shielding device, a door body assembly, a cover body and a cooking utensil, and the microwave shielding device comprises a support; the light-transmitting piece is provided with a plurality of light-transmitting holes, and the light-transmitting piece is connected with the support; and the injection molding layer can transmit light, and at least one part of the light-transmitting piece and at least one part of the support are fixed in the injection molding layer.

Description

Technical Field

[0001] The present invention relates to the technical field of household electrical appliances, and in particular to a microwave shielding device, a door assembly, a cover body and a cooking utensil. Background Art

[0002] In the prior art, the see-through shielding plate used in the microwave oven door usually has holes in the metal plate for light transmission, and non-metallic materials such as glass or plastic that can transmit light are connected on both sides of the metal plate, which will increase the structural parts of the product and make the installation more complicated. Summary of the invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art or related art.

[0004] To this end, a first object of the present invention is to provide a microwave shielding device.

[0005] The second object of the present invention is to provide a door assembly.

[0006] The third objective of the present invention is to provide a cover.

[0007] A fourth object of the present invention is to provide a cooking utensil.

[0008] A fifth object of the present invention is to provide a cooking utensil.

[0009] To achieve at least one of the above-mentioned purposes, according to a first aspect of the present invention, a microwave shielding device is proposed, comprising: a bracket; a light-transmitting member having a plurality of light-transmitting holes, the light-transmitting member being connected to the bracket; an injection molding layer, the injection molding layer being light-transmitting, the light-transmitting member and at least a portion of the bracket being fixed in the injection molding layer.

[0010] The microwave shielding device proposed in the present application can be used in cooking utensils with microwave heating function. When the cooking utensils perform microwave heating on food, the microwave shielding device can not only shield the microwaves to prevent the microwaves from overflowing to the outside, but also transmit light to increase the brightness inside the cooking utensils, making it easier for users to observe the food.

[0011] The microwave shielding device proposed in the present application includes a bracket and a light-transmitting member, wherein the light-transmitting member is connected to the bracket, the bracket is used to support the light-transmitting member, and the light-transmitting member has a plurality of light-transmitting holes, through which light can be transmitted, and external light can pass through the light-transmitting holes into the cooking utensil to increase the brightness inside the cooking utensil, making it easier for users to observe the food. The light-transmitting member can be connected to the bracket by screw connection, welding or bonding.

[0012] Furthermore, in order to make the microwave shielding device have a certain degree of sealing, the present application also provides an injection molding layer in the microwave shielding device. Specifically, the light-transmitting member and part of the bracket are fixed in the injection molding layer, and the injection molding layer can transmit light. It is understandable that when the microwave shielding device is used on the door body of the cooking utensil or other structures used to seal the inside of the cooking utensil, if the light-transmitting hole is not sealed, the inside of the cooking utensil will not be in a closed state, which will cause the heat inside the cooking utensil to be lost and reduce the cooking efficiency. For this reason, the present application also provides an injection molding layer for sealing the light-transmitting hole in the microwave shielding device, which can seal the light-transmitting hole on the one hand, and does not affect the normal light transmission of the light-transmitting hole on the other hand. Moreover, compared with the prior art, the present application fixes part of the bracket and the light-transmitting member in the injection molding layer, so that the microwave shielding device can be formed into an integrated structure through injection molding, which simplifies the structure and assembly steps of the product and improves the integrity of the microwave shielding device.

[0013] Furthermore, the light-transmitting member also has a microwave shielding function, so that the microwave shielding device can not only shield the microwaves of the cooking utensil to prevent the microwaves from overflowing, but also transmit light to improve the brightness inside the cooking utensil.

[0014] The microwave shielding device according to the present invention may also have the following distinguishing technical features:

[0015] In a possible technical solution, optionally, the light-transmitting member includes: a plurality of metal wires, and the plurality of metal wires are cross-arranged to enclose a light-transmitting hole.

[0016] In this technical solution, the structure of the light-transmitting member is defined. The light-transmitting member includes a plurality of metal wires, and the plurality of metal wires are cross-arranged to enclose a light-transmitting hole. Specifically, the light-transmitting member may be a mesh structure, and a plurality of metal wires are woven to form a metal mesh to form the light-transmitting member. Since the light-transmitting structure is usually set as a plate body in the prior art, and holes are punched on the plate body so that the plate body can transmit light, but this structure needs to ensure that the hole spacing is greater than the thickness of the plate body, resulting in poor visibility and light transmittance of this light-transmitting structure. Compared with the light-transmitting structure in the prior art, setting the light-transmitting member as a mesh structure itself increases the light-transmitting area of ​​the light-transmitting member, thereby increasing the visibility and light transmittance of the light-transmitting member, making it easier for users to observe the ingredients in the cooking utensil, and improving the user's convenience.

[0017] In a possible technical solution, optionally, the injection molding layer covers the light transmission hole.

[0018] In this technical solution, the relationship between the injection molding layer and the light-transmitting holes is defined. Specifically, the injection molding layer covers all the light-transmitting holes, so that all the light-transmitting holes can be sealed by the injection molding layer, thereby making the microwave shielding device have a certain degree of sealing, preventing the light-transmitting holes from leaking microwaves and heat when the cooking utensil is cooking food, and improving the sealing of the cooking utensil.

[0019] In a possible technical solution, optionally, at least a portion of the bracket extends out of an edge of the injection molding layer.

[0020] In the technical solution, the relationship between the bracket and the injection molding layer is defined. Specifically, at least a portion of the bracket extends out of the edge of the injection molding layer. In this way, the bracket exposed in the injection molding layer can be connected to other components in the cooking utensil to achieve the fixation of the microwave shielding device. Specifically, the peripheral edges of the bracket are all exposed in the injection molding layer.

[0021] In a possible technical solution, optionally, the bracket has a mounting opening, and the light-transmitting member is connected to an inner edge of the mounting opening.

[0022] In this technical solution, the structure of the bracket is further defined. In order to facilitate the installation of the light-transmitting member on the bracket, the present application provides a mounting opening on the bracket, the bracket is designed as a frame structure, the light-transmitting member is connected to the inner edge of the mounting opening, the frame of the bracket close to the mounting opening is fixed in the injection molding layer, and the frame of the bracket away from the mounting opening is exposed to the outside of the injection molding layer, so as to facilitate the connection of the microwave shielding device with other components in the cooking utensil. By providing the mounting opening in the bracket, on the one hand, the weight of the bracket can be reduced, and on the other hand, it is convenient to connect the light-transmitting member to the bracket.

[0023] In a possible technical solution, optionally, the microwave shielding device is used in a cooking utensil, and the microwave shielding device also includes: a plurality of connecting parts, the connecting parts are used to connect the bracket and the light-transmitting part, the wavelength of the microwave generated by the cooking utensil is λ, and the distance between any two adjacent connecting parts is less than or equal to λ / 4.

[0024] In the technical solution, the structure of the microwave shielding device is further defined. The microwave shielding device also includes a plurality of connectors, which are used to connect the bracket to the light-transmitting member. The connectors can be solid parts such as metal screws, or can be welding points formed by welding operations. The plurality of connectors are arranged in sequence along the edge of the bracket.

[0025] Furthermore, the distance between the connectors is limited. Specifically, the wavelength of the microwave generated by the cooking device is λ, and the distance between any two adjacent connectors is less than or equal to λ / 4. According to the quarter-wavelength theory, microwaves can be shielded by making the distance between any two adjacent connectors less than or equal to a quarter of the wavelength. If the distance between the two adjacent connectors is too large, the effect of the microwave shielding device in shielding microwaves will be reduced.

[0026] In a possible technical solution, optionally, the overlapping width between the edge of the light-transmitting member and the inner edge of the mounting opening is d, and the thickness of the bracket is h, wherein d>5h.

[0027] In this technical solution, the overlap width between the edge of the light-transmitting member and the inner edge of the mounting opening is d, and the thickness of the bracket is h, where d>5h. In this way, on the one hand, the light-transmitting member can be firmly connected to the bracket, and the stress at the connection between the light-transmitting member and the bracket can be reduced to prevent the light-transmitting member from being deformed or broken due to stress. On the other hand, the microwave shielding device can be improved in its ability to shield microwaves and prevent microwave leakage.

[0028] In a possible technical solution, optionally, the material of the bracket is metal.

[0029] In this technical solution, the material of the bracket is limited. Specifically, the material of the bracket is metal, so that the microwave shielding effect of the microwave shielding device can be further improved by the cooperation between the metal bracket and the metal light-transmitting member. In addition, by designing the material of the bracket to be metal, the strength of the bracket can be improved, thereby improving the overall strength of the microwave shielding device.

[0030] The second aspect of the present invention further provides a door assembly, comprising the microwave shielding device provided in the first aspect of the present invention.

[0031] The door assembly provided in the second aspect of the present invention comprises the microwave shielding device proposed in the first aspect of the present invention, and therefore has all the beneficial effects of the microwave shielding device.

[0032] The third aspect of the present invention further provides a cover body, comprising the microwave shielding device provided in the first aspect of the present invention.

[0033] The cover provided in the third aspect of the present invention comprises the microwave shielding device provided in the first aspect of the present invention, and therefore has all the beneficial effects of the microwave shielding device.

[0034] In a possible technical solution, optionally, the number of the microwave shielding devices is one or more, the cover body includes a first cooking cavity, and the microwave shielding device constitutes at least one wall surface of the first cooking cavity.

[0035] In this technical solution, the structure of the cover body is further defined. The cover body includes one or more microwave shielding devices. When there is one microwave shielding device, the microwave shielding device constitutes a side wall of the cover body. When there are multiple microwave shielding devices in the cover body, the multiple microwave shielding devices are connected to each other. The cover body includes a first cooking cavity, and the microwave shielding device constitutes at least one wall of the first cooking cavity. In this way, light can be transmitted through the microwave shielding device to improve the brightness inside the cover body. When the cooking utensil adopts the microwave cooking mode to perform microwave heating on the food, microwaves exist in the first cooking cavity, and the microwave shielding device shields the microwaves to prevent the microwaves in the first cooking cavity from overflowing, thereby improving the safety of the cover body and the cooking utensil used for the cover body.

[0036] In a possible technical solution, optionally, the cover body further includes: a plurality of wave-suppressing teeth, and the wave-suppressing teeth are arranged on the edge of the microwave shielding device constituting the side wall of the first cooking cavity.

[0037] In this technical solution, the structure of the cover body is further defined. The cover body is used in a cooking utensil. When the cover body is buckled on the main body of the cooking utensil, if there is a gap between the cover body and the main body, the microwaves in the first cooking cavity will leak to the outside through the gap. In order to further reduce the leakage of microwaves in the first cooking cavity, the present application also provides a wave suppression tooth on the cover body for preventing microwave leakage. Specifically, there are multiple wave suppression teeth, and the multiple wave suppression teeth are provided at the edge of the microwave shielding device constituting the side wall of the first cooking cavity. When the cover body is buckled on the main body, the multiple wave suppression teeth are fitted with the surface of the main body to reduce the gap between the wave suppression teeth and the main body, and the wave suppression teeth have the function of preventing the leakage of microwaves in the cooking cavity. In this way, by providing multiple wave suppression teeth on the edge of the cover body, the microwaves in the first cooking cavity can be prevented from leaking to the outside, thereby improving the cooking effect of the cooking utensil and improving the safety of the cooking utensil.

[0038] The fourth aspect of the present invention also proposes a cooking utensil, comprising: the door assembly proposed in the second aspect of the present invention; a box body, comprising a second cooking cavity, the door assembly being movably connected to the box body, and the door assembly being used to open or close the second cooking cavity.

[0039] The cooking utensil proposed in the present application includes a door assembly and a box body, the box body includes a second cooking cavity, the door assembly is movably connected to the box body, and the door assembly is used to open or close the second cooking cavity. The door assembly includes a microwave shielding device, which constitutes at least a part of the door panel of the door assembly. When the door assembly closes the second cooking cavity, the microwave shielding device can transmit light, so as to facilitate observation of the second cooking cavity through the microwave shielding device. When the cooking utensil heats food in a microwave heating mode, the microwave shielding device provided in the door assembly can also shield microwaves to prevent the microwaves in the second cooking cavity from overflowing, thereby improving the safety of the cooking utensil.

[0040] The cooking appliance provided in the fourth aspect of the present invention comprises the door assembly proposed in the second aspect of the present invention, and therefore has all the beneficial effects of the door assembly.

[0041] The fifth aspect of the present invention further proposes a cooking utensil, comprising: the cover body proposed in the third aspect of the present invention; and a base, wherein the cover body can be detachably buckled on the base, and when the cover body is buckled on the base, the wave-suppressing teeth of the cover body abut against the base.

[0042] The cooking utensil proposed in the present application includes a cover body and a base, and the cover body can be detachably buckled on the base. A microwave component is arranged in the base, and the microwave component can radiate microwaves to the upper surface of the base to perform microwave heating on the food. When the cooking utensil performs microwave heating on the food, the user needs to buckle the cover body to the base to prevent the microwaves in the first cooking cavity from overflowing. When the cover body is buckled on the base, the wave suppression teeth of the cover body are in contact with the surface of the base, thereby reducing the gap between the cover body and the base, and further reducing the microwave overflow in the first cooking cavity.

[0043] The cooking utensil provided in the fifth aspect of the present invention comprises the cover body provided in the third aspect of the present invention, and thus has all the beneficial effects of the cover body.

[0044] Cooking appliances include microwave ovens or microwave-induction cookers.

[0045] Additional aspects and advantages of the present invention will become apparent from the following description or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0047] Figure 1 One of the structural schematic diagrams of a microwave shielding device according to an embodiment of the present invention is shown;

[0048] Figure 2 Shows Figure 1 Sectional view of section AA;

[0049] Figure 3 Shows Figure 2 A partial enlarged view of the middle B area;

[0050] Figure 4 A second structural schematic diagram of a microwave shielding device according to an embodiment of the present invention is shown;

[0051] Figure 5 One of the structural schematic diagrams of a microwave shielding device without a light-transmitting member according to an embodiment of the present invention is shown;

[0052] Figure 6 One of the structural schematic diagrams of a microwave shielding device showing a light-transmitting member according to an embodiment of the present invention is shown;

[0053] Figure 7 One of the exploded views of a microwave shielding device according to an embodiment of the present invention is shown;

[0054] Figure 8 A second structural schematic diagram of a microwave shielding device without a light-transmitting member according to an embodiment of the present invention is shown;

[0055] Fig. 9 A second structural schematic diagram of a microwave shielding device showing a light-transmitting member according to an embodiment of the present invention is shown;

[0056] Fig.10 A second exploded view of a microwave shielding device according to an embodiment of the present invention is shown;

[0057] Fig.11 One of the structural schematic diagrams of a cover body according to an embodiment of the present invention is shown;

[0058] Fig.12 A second structural schematic diagram of a cover body according to an embodiment of the present invention is shown;

[0059] Fig.13 A third structural schematic diagram of a cover body according to an embodiment of the present invention is shown;

[0060] Fig.14 A fourth structural schematic diagram of a cover body according to an embodiment of the present invention is shown;

[0061] Fig.15 A fifth structural schematic diagram of a cover body according to an embodiment of the present invention is shown;

[0062] Fig.16 FIG6 shows a sixth structural schematic diagram of a cover body according to an embodiment of the present invention.

[0063] in, Figures 1 to 16 The corresponding relationship between the reference numerals and the component names is as follows:

[0064] 100 microwave shielding device, 110 bracket, 111 installation port, 120 light-transmitting member, 121 light-transmitting hole, 122 metal wire, 130 injection molding layer, 200 cover body, 210 first cooking cavity, 220 wave-suppressing teeth. DETAILED DESCRIPTION

[0065] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0066] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0067] Refer to the following Figures 1 to 16The microwave shielding device 100 , the cover 200 , the door assembly and the cooking utensil provided according to some embodiments of the present invention are described.

[0068] In one embodiment according to the present application, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 and Fig.10 As shown, the present invention proposes a microwave shielding device 100, including: a bracket 110; a light-transmitting member 120, the light-transmitting member 120 has a plurality of light-transmitting holes 121, and the light-transmitting member 120 is connected to the bracket 110; an injection molding layer 130, the injection molding layer 130 is light-transmitting, and at least a portion of the light-transmitting member 120 and the bracket 110 are fixed in the injection molding layer 130.

[0069] The microwave shielding device 100 proposed in the present application can be used in a cooking appliance with a microwave heating function. When the cooking appliance performs microwave heating on food, the microwave shielding device 100 can not only shield the microwaves to prevent them from overflowing to the outside, but also transmit light to increase the brightness inside the cooking appliance, making it easier for users to observe the food.

[0070] The microwave shielding device 100 proposed in the present application includes a bracket 110 and a light-transmitting member 120, wherein the light-transmitting member 120 is connected to the bracket 110, the bracket 110 is used to support the light-transmitting member 120, and the light-transmitting member 120 has a plurality of light-transmitting holes 121, which can transmit light, and the external light can pass through the light-transmitting holes 121 into the cooking utensil to increase the brightness inside the cooking utensil, so as to facilitate the user to observe the food. The light-transmitting member 120 can be connected to the bracket 110 by screw connection, welding or bonding.

[0071] Furthermore, in order to make the microwave shielding device 100 have a certain degree of sealing, the present application also provides an injection molding layer 130 in the microwave shielding device 100. Specifically, the light-transmitting member 120 and part of the bracket 110 are fixed in the injection molding layer 130, and the injection molding layer 130 can transmit light. It is understandable that when the microwave shielding device 100 is used on the door body of a cooking utensil or other structure used to seal the interior of the cooking utensil, if the light-transmitting hole 121 is not sealed, the interior of the cooking utensil cannot be in a closed state, which in turn causes heat loss inside the cooking utensil and reduces cooking efficiency. For this reason, the present application also provides an injection molding layer 130 for sealing the light-transmitting hole 121 in the microwave shielding device 100, which can seal the light-transmitting hole 121 on the one hand, and does not affect the normal light transmission of the light-transmitting hole 121 on the other hand. Moreover, compared with the prior art, the present application fixes part of the bracket 110 and the light-transmitting member 120 in the injection molding layer 130 , so that the microwave shielding device 100 can be formed into an integrated structure through injection molding, which simplifies the assembly steps of the product and improves the integrity of the microwave shielding device 100 .

[0072] Furthermore, the light-transmitting member 120 also has a microwave shielding function, so that the microwave shielding device 100 can not only shield the microwaves of the cooking utensil to prevent the microwaves from overflowing, but also transmit light to improve the brightness inside the cooking utensil.

[0073] In a possible embodiment, optionally, as Figure 7 and Fig.10 As shown, the light-transmitting member 120 includes: a plurality of metal wires 122 , and the plurality of metal wires 122 are cross-arranged to enclose a light-transmitting hole 121 .

[0074] In this embodiment, the structure of the light-transmitting member 120 is defined. The light-transmitting member 120 includes a plurality of metal wires 122, and the plurality of metal wires 122 are cross-arranged to enclose a light-transmitting hole 121. Specifically, the light-transmitting member 120 may be a mesh structure, and the plurality of metal wires 122 are woven to form a metal mesh to form the light-transmitting member 120. Since the light-transmitting structure is usually set as a plate body in the prior art, and holes are punched on the plate body so that the plate body can transmit light, but this structure needs to ensure that the hole spacing is greater than the thickness of the plate body, resulting in poor visibility and light transmittance of this light-transmitting structure. Compared with the light-transmitting structure in the prior art, the light-transmitting member 120 is set as a mesh structure, which increases the light-transmitting area of ​​the light-transmitting member 120, thereby increasing the visibility and light transmittance of the light-transmitting member 120, making it easier for users to observe the ingredients in the cooking utensil, and improving the user's convenience.

[0075] In a possible embodiment, optionally, as Figure 6 and Fig. 9 As shown, the injection molding layer 130 covers the light transmission hole 121 .

[0076] In this embodiment, the relationship between the injection molding layer 130 and the light transmission holes 121 is defined. Specifically, the injection molding layer 130 covers all the light transmission holes 121, so that all the light transmission holes 121 can be sealed by the injection molding layer 130, thereby making the microwave shielding device 100 have a certain degree of sealing, preventing the light transmission holes 121 from leaking microwaves and heat when the cooking utensil is cooking food, thereby improving the sealing of the cooking utensil.

[0077] In a possible embodiment, optionally, as Figure 2 , Figure 3 and Figure 4 As shown, at least a portion of the bracket 110 extends out of the edge of the injection molding layer 130 .

[0078] In this embodiment, the relationship between the bracket 110 and the injection molding layer 130 is defined. Specifically, at least a portion of the bracket 110 extends out of the edge of the injection molding layer 130. In this way, the bracket 110 exposed from the injection molding layer 130 can be connected to other components in the cooking utensil to achieve the fixation of the microwave shielding device 100. Specifically, the peripheral edges of the bracket 110 are all exposed from the injection molding layer 130.

[0079] In a possible embodiment, optionally, as Figure 2 , Figure 3 , Figure 7 and Fig.10 As shown, the bracket 110 has a mounting opening 111 , and the light-transmitting member 120 is connected to the inner edge of the mounting opening 111 .

[0080] In this embodiment, the structure of the bracket 110 is further defined. In order to facilitate the installation of the light-transmitting member 120 on the bracket 110, the present application provides a mounting opening 111 on the bracket 110. The bracket 110 is designed as a frame structure. The light-transmitting member 120 is connected to the inner edge of the mounting opening 111. The portion of the frame of the bracket 110 close to the mounting opening 111 is fixed in the injection molding layer 130, and the portion of the frame of the bracket 110 away from the mounting opening 111 is exposed to the outside of the injection molding layer 130, so as to facilitate the connection of the microwave shielding device 100 with other components in the cooking utensil. By providing the mounting opening 111 in the bracket 110, on the one hand, the weight of the bracket 110 can be reduced, and on the other hand, it is convenient to connect the light-transmitting member 120 to the bracket 110.

[0081] In a possible embodiment, optionally, the microwave shielding device 100 is used in a cooking utensil, and the microwave shielding device 100 also includes: a plurality of connectors, the connectors are used to connect the bracket 110 and the light-transmitting member 120, the wavelength of the microwaves generated by the cooking utensil is λ, and the distance between any two adjacent connectors is less than or equal to λ / 4.

[0082] In this embodiment, the structure of the microwave shielding device 100 is further defined. The microwave shielding device 100 also includes a plurality of connectors, which are used to connect the bracket 110 to the light-transmitting member 120. The connectors can be solid parts such as metal screws, or can be welding points formed by welding operations. The plurality of connectors are sequentially arranged along the edge of the bracket 110.

[0083] Furthermore, the distance between the connectors is limited. Specifically, the wavelength of the microwave generated by the cooking utensil is λ, and the distance between any two adjacent connectors is less than or equal to λ / 4. According to the quarter-wavelength theory, the microwaves can be shielded by making the distance between any two adjacent connectors less than or equal to a quarter-wavelength. If the distance between the two adjacent connectors is too large, the microwave shielding effect of the microwave shielding device 100 will be reduced.

[0084] In a possible embodiment, optionally, as Figure 3 As shown, the overlap width between the edge of the light-transmitting member 120 and the inner edge of the mounting opening 111 is d, and the thickness of the bracket 110 is h, wherein d>5h.

[0085] In this embodiment, the overlap width between the edge of the light-transmitting member 120 and the inner edge of the mounting opening 111 is d, and the thickness of the bracket 110 is h, wherein d>5h. On the one hand, the light-transmitting member 120 can be firmly connected to the bracket 110, and the stress at the connection between the light-transmitting member 120 and the bracket 110 can be reduced to prevent the light-transmitting member 120 from being deformed or broken by force. On the other hand, the microwave shielding ability of the microwave shielding device 100 can be improved to prevent microwave leakage.

[0086] In a possible embodiment, optionally, the material of the bracket 110 is metal.

[0087] In this embodiment, the material of the bracket 110 is limited. Specifically, the material of the bracket 110 is metal, so that the microwave shielding effect of the microwave shielding device 100 can be further improved by the cooperation between the bracket 110 made of metal and the light-transmitting member 120 made of metal. In addition, by designing the material of the bracket 110 to be metal, the strength of the bracket 110 can be improved, thereby improving the overall strength of the microwave shielding device 100.

[0088] The second aspect of the present invention further provides a door assembly, comprising the microwave shielding device 100 provided in the first aspect of the present invention.

[0089] The door assembly provided in the second aspect of the present invention comprises the microwave shielding device 100 provided in the first aspect of the present invention, and therefore has all the beneficial effects of the microwave shielding device 100.

[0090] The third aspect of the present invention further provides a cover 200 , comprising the microwave shielding device 100 provided in the first aspect of the present invention.

[0091] The cover body 200 provided in the third aspect of the present invention comprises the microwave shielding device 100 provided in the first aspect of the present invention, and thus has all the beneficial effects of the microwave shielding device 100 .

[0092] In a possible embodiment, optionally, as Fig.11 , Fig.12 , Fig.13 , Fig.14 , Fig.15 and Fig.16 As shown, the number of the microwave shielding device 100 is one or more, the cover body 200 includes a first cooking cavity 210 , and the microwave shielding device 100 constitutes at least one wall surface of the first cooking cavity 210 .

[0093] In this embodiment, the structure of the cover 200 is further defined. The cover 200 includes one or more microwave shielding devices 100. When there is one microwave shielding device 100, the microwave shielding device 100 constitutes a side wall of the cover 200. When there are multiple microwave shielding devices 100 in the cover 200, the multiple microwave shielding devices 100 are connected to each other. The cover 200 includes a first cooking cavity 210, and the microwave shielding device 100 constitutes at least one wall of the first cooking cavity 210. In this way, light can be transmitted through the microwave shielding device 100 to improve the brightness inside the cover 200. When the cooking utensil adopts a microwave cooking mode to heat the food with microwaves, there are microwaves in the first cooking cavity 210, and the microwave shielding device 100 shields the microwaves to prevent the microwaves in the first cooking cavity 210 from overflowing, thereby improving the safety of the cover 200 and the cooking utensil used for the cover 200.

[0094] In a possible embodiment, optionally, as Fig.12 , Fig.14 and Fig.16 As shown, the cover 200 further includes: a plurality of wave-suppressing teeth 220 , which are arranged at the edge of the microwave shielding device 100 constituting the side wall of the first cooking cavity 210 .

[0095] In this embodiment, the structure of the cover 200 is further defined. The cover 200 is used in a cooking utensil. When the cover 200 is buckled on the main body of the cooking utensil, if there is a gap between the cover 200 and the main body, the microwaves in the first cooking cavity 210 will leak to the outside through the gap. In order to further reduce the microwave leakage in the first cooking cavity 210, the present application further provides a wave suppression tooth 220 on the cover 200 for preventing microwave leakage. Specifically, the number of the wave suppression teeth 220 is multiple, and the multiple wave suppression teeth 220 are provided at the edge of the microwave shielding device 100 constituting the side wall of the first cooking cavity 210. When the cover 200 is buckled on the main body, the multiple wave suppression teeth 220 are attached to the surface of the main body to reduce the gap between the wave suppression teeth 220 and the main body, and the wave suppression teeth 220 have the function of preventing microwave leakage in the cooking cavity. In this way, by arranging a plurality of wave-suppressing teeth 220 on the edge of the cover body 200, the microwaves in the first cooking cavity 210 can be prevented from leaking to the outside, thereby improving the cooking effect of the cooking utensil and improving the safety of the cooking utensil.

[0096] The fourth aspect of the present invention also proposes a cooking utensil, comprising: the door assembly proposed in the second aspect of the present invention; a box body, comprising a second cooking cavity, the door assembly being movably connected to the box body, and the door assembly being used to open or close the second cooking cavity.

[0097] The cooking utensil proposed in the present application includes a door assembly and a box body, the box body includes a second cooking cavity, the door assembly is movably connected to the box body, and the door assembly is used to open or close the second cooking cavity. The door assembly includes a microwave shielding device 100, and the microwave shielding device 100 constitutes at least a part of the door panel of the door assembly. When the door assembly closes the second cooking cavity, the microwave shielding device 100 can be light-transmissive, so as to facilitate observation of the second cooking cavity through the microwave shielding device 100. When the cooking utensil heats food in a microwave heating mode, the microwave shielding device 100 provided in the door assembly can also shield microwaves to prevent the microwaves in the second cooking cavity from overflowing, thereby improving the safety of the cooking utensil.

[0098] The cooking appliance provided in the fourth aspect of the present invention comprises the door assembly proposed in the second aspect of the present invention, and therefore has all the beneficial effects of the door assembly.

[0099] The fifth aspect of the present invention further proposes a cooking utensil, comprising: the cover body 200 proposed in the third aspect of the present invention; a base, the cover body 200 can be detachably buckled on the base, and when the cover body 200 is buckled on the base, the wave suppression teeth 220 of the cover body 200 are against the base.

[0100] The cooking utensil proposed in the present application includes a cover 200 and a base, and the cover 200 can be detachably buckled on the base. A microwave component is provided in the base, and the microwave component can radiate microwaves to the upper surface of the base to perform microwave heating on the food. When the cooking utensil performs microwave heating on the food, the user needs to buckle the cover 200 on the base to prevent the microwaves in the first cooking cavity 210 from overflowing. When the cover 200 is buckled on the base, the wave suppression teeth 220 of the cover 200 are in contact with the surface of the base, thereby reducing the gap between the cover 200 and the base, and further reducing the microwave overflow in the first cooking cavity 210.

[0101] The cooking utensil provided in the fifth aspect of the present invention comprises the cover body 200 provided in the third aspect of the present invention, and thus has all the beneficial effects of the cover body 200.

[0102] Cooking appliances include microwave ovens or microwave-induction cookers.

[0103] In a possible embodiment, the present invention provides a microwave shielding structure (i.e., microwave shielding device 100) formed by injection molding. The microwave shielding structure mainly consists of three parts: a metal wire mesh (i.e., a light-transmitting member 120), a metal bracket (i.e., a bracket 110), and a plastic material (i.e., an injection molding layer 130), and is manufactured by an integrated molding process. The microwave shielding structure can be in a planar form and used on a furnace door, or in a three-dimensional cover form (i.e., a shell) and can serve as a microwave cavity.

[0104] The metal mesh is woven with steel wire, copper wire, nickel wire, tungsten wire or other metal wire, or connected by welding process, or made by plug-in process. According to the diameter of the metal wire and the size of the mesh of the metal mesh, it is usually called as follows: such as steel wire mesh, iron wire gauze (window screen), copper wire cloth, etc. There are many forms of metal mesh, the most common ones are square hole plain weave and square hole twill weave. In addition, there are diamond hole, hexagonal hole twisted weave, etc. In this case, in order to increase the light transmittance and visibility of the metal mesh, the metal wire 122 uses 0.05mm to 0.8mm wire, and the longest margin range of the mesh (i.e., the light-transmitting hole 121) is 0.5mm to 5mm to prevent excessive microwave leakage due to excessive margins.

[0105] The manufacturing process of the microwave shielding structure is divided into the following steps: The first step is to use a circle of metal brackets to fix the metal wire 122 around it. The fixing process adopts spray welding, riveting or simple edge clamping. It must be ensured that the spacing between the spray welding or riveting points is no more than 1 / 4 of the wavelength of the microwave generated by the device used for the microwave shielding structure, which is about 30mm, and can usually be 10mm to 30mm. The width of the overlapping edge is greater than 5 times the thickness of the metal bracket. It can be maze-like or embedded to increase the depth of the gap, or double-row fastening and multiple distribution methods can be used to prevent microwave leakage from exceeding the standard. The second step is to put the metal wire mesh with the metal bracket into an injection molding machine or a hot press for one-piece molding. During molding, it is necessary to ensure that the leaking part of the metal bracket is used to connect with the cavity in the cooking utensil or other parts of the oven door (such as incisors, cavity side panels, cavity top panels, etc.). It should be added that, if Fig.13 , Fig.14 , Fig.15 and Fig.16 As shown, if the shielding structure is in the form of a cover, before integrated molding, it is necessary to first use a mold to mold the flat metal mesh and metal bracket into the shape of the cover and then put them into an injection molding or hot pressing machine.

[0106] In the present invention, the term "plurality" refers to two or more than two, unless otherwise clearly defined. The terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0107] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0108] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A microwave shielding device, characterized in that: include: Bracket; A light-transmitting member, the light-transmitting member having a plurality of light-transmitting holes, and the light-transmitting member is connected to the bracket; The injection molding layer is light-transmissive, and the light-transmissive member and at least a portion of the bracket are fixed in the injection molding layer.

2. The microwave shielding device according to claim 1, characterized in that: The light-transmitting member comprises: A plurality of metal wires are cross-arranged to enclose the light-transmitting hole.

3. The microwave shielding device according to claim 1, characterized in that: The injection molding layer covers the light transmission hole.

4. The microwave shielding device according to claim 1, characterized in that: At least a portion of the bracket extends out from an edge of the injection-molded layer.

5. The microwave shielding device according to any one of claims 1 to 4, characterized in that: The bracket has a mounting opening, and the light-transmitting member is connected to the inner edge of the mounting opening.

6. The microwave shielding device according to claim 5, characterized in that: The microwave shielding device is used in a cooking utensil, and the microwave shielding device further comprises: A plurality of connecting members are provided, wherein the connecting members are used to connect the bracket and the light-transmitting member, the wavelength of the microwave generated by the cooking utensil is λ, and the distance between any two adjacent connecting members is less than or equal to λ / 4.

7. The microwave shielding device according to claim 5, characterized in that: The overlapping width between the edge of the light-transmitting member and the inner edge of the mounting opening is d, and the thickness of the bracket is h, wherein d>5h.

8. The microwave shielding device according to any one of claims 1 to 4, characterized in that: The material of the bracket is metal.

9. A door assembly, characterized in that: include: A microwave shielding device as claimed in any one of claims 1 to 8.

10. A cover, characterized in that: include: A microwave shielding device as claimed in any one of claims 1 to 8.

11. The cover according to claim 10, characterized in that: The number of the microwave shielding device is one or more, the cover body includes a first cooking cavity, and the microwave shielding device constitutes at least one wall surface of the first cooking cavity.

12. The cover according to claim 11, characterized in that: Also includes: A plurality of wave-suppressing teeth are provided at the edge of the microwave shielding device constituting the side wall of the first cooking cavity.

13. A cooking utensil, characterized in that: include: The door assembly as claimed in claim 9; The box body comprises a second cooking cavity. The door body assembly is movably connected to the box body, and the door body assembly is used to open or close the second cooking cavity.

14. A cooking utensil, characterized in that: include: The cover according to any one of claims 10 to 12; The base is provided, and the cover body is detachably buckled on the base. When the cover body is buckled on the base, the wave suppression teeth of the cover body abut against the base.

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