CN212454125U - Door assembly and cooking device with same - Google Patents

Abstract

The utility model discloses a door subassembly and have its culinary art device, this door subassembly includes the door frame, the first board, second board and third board, the door frame be used for with culinary art device's box pivot connection, be equipped with first air intake on the door frame, second air intake and air outlet, first air intake is used for with the interior radiating duct intercommunication of box, second air intake and air outlet communicate with the external world respectively, the first board sets up on the door frame, the second board inlays the first port of being close to the box of locating the door frame, the second board separates with the first board and sets up in order to form first passageway, first air intake and air outlet communicate with first passageway respectively, the third board inlays the second port of keeping away from the box of locating the door frame, the third board separates with the first board and sets up in order to form the second passageway, second air intake and air outlet communicate with the second passageway respectively. Through introducing first passageway and second passageway respectively with cold air, avoided because the too high condition of scalding the user of door subassembly temperature rise takes place for user's use experience has obtained the promotion.

Description

Door assembly and cooking device with same

Technical Field

The utility model relates to a cooking equipment technical field especially relates to a door subassembly. The utility model discloses still relate to a culinary art device.

Background

This section provides background information related to the present disclosure only and is not necessarily prior art.

A cooking apparatus (e.g., a steam box or a steam oven, etc.) generally includes a cabinet having a cooking cavity, a heating assembly disposed in the cabinet for heating the cooking cavity, and a door assembly disposed on the cabinet in an openable and closable manner to open or close the cooking cavity.

When cooking food, the heat of culinary art intracavity can transmit to on the door subassembly to arouse the temperature rise of door subassembly, the hidden danger of scalding the user very easily appears in the surface high temperature rise of door subassembly, and then has reduced user's use and has experienced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving at least and how to avoid the door subassembly temperature rise too high, guarantee user safe in utilization's problem. The purpose is realized by the following technical scheme:

a first aspect of the present invention provides a door assembly for a cooking device, the door assembly comprising:

the cooking device comprises a door frame, a first air inlet, a second air inlet and an air outlet, wherein the door frame is used for being pivotally connected with a box body of the cooking device, the door frame is provided with the first air inlet, the second air inlet and the air outlet, the first air inlet is used for being communicated with a heat dissipation air channel in the box body, and the second air inlet and the air outlet are respectively communicated with the outside;

a first plate disposed on the door frame;

the second plate is embedded in a first port, close to the box body, of the door frame, the second plate and the first plate are arranged at intervals to form a first channel, and the first air inlet and the air outlet are respectively communicated with the first channel;

the third plate is embedded in a second port, far away from the box body, of the door frame, the third plate and the first plate are arranged at intervals to form a second channel, and the second air inlet and the air outlet are respectively communicated with the second channel.

According to the door assembly of the utility model, the second plate is embedded in the first port, the third plate is embedded in the second port, thereby sealing two ports of the door frame, the first plate is arranged in the door frame, the first plate is respectively arranged at intervals with the second plate and the third plate, the two sides of the first plate are respectively provided with the first channel and the second channel, when the door assembly is used in a cooking device, the door frame is pivotally connected on the box body of the cooking device, the second plate is arranged close to the box body of the cooking cavity, the third plate is arranged corresponding to the second plate and is far away from the box body of the cooking cavity, when the door assembly is closed relative to the box body, the second plate seals the open end of the cooking cavity, the heat dissipation air duct on the box body is communicated with the first channel through the first air inlet, the second channel is communicated with the outside through the second air inlet, simultaneously, the first channel and the second channel are both communicated with the outside through the air, the fan in the heat dissipation wind channel starts, the heat dissipation wind channel sends into the first passageway with cold air through first air intake, the cold space carries out the heat exchange in the first passageway, air after the heat exchange is discharged to the external world through the air outlet again, when air after the heat exchange is discharged through the air outlet, form the negative pressure at the air outlet for external cold air enters into the second passageway through the second air intake, external cold air carries out the heat exchange in the second passageway, the air through the heat exchange is discharged to the external world through the air outlet again.

Through the heat dissipation channel intercommunication with the box of first passageway and culinary art chamber, thereby utilize the cold air in the heat dissipation channel to cool down door subassembly, in order to avoid the too high condition of door subassembly temperature rise, and simultaneously, the cold air in the heat dissipation channel is through air outlet exhaust in-process, through forming the negative pressure at the air outlet, thereby for the second channel provides power, in order to inhale the second channel with external cold air, the temperature rise of door subassembly has further been avoided, and then effectively avoided because the too high condition of scalding the user of door subassembly temperature rise takes place, the safety of user's use has been guaranteed, make user's use experience obtain the promotion.

In addition, according to the utility model discloses a door subassembly still can have following additional technical characterstic:

in some embodiments of the present invention, the door frame comprises:

the first port is formed in the first frame body;

the second frame body is provided with a second port, a folded edge part is arranged on the edge of the second frame body, the first frame body is matched with the folded edge part to form a hollow structure, and the first plate is arranged in the hollow structure.

In some embodiments of the present invention, the second frame body further includes a supporting structure, the supporting structure is located on the same side of the second frame body as the folding structure, the supporting structure is located along the circumferential direction of the second port, and the first plate is supported on the supporting structure and is respectively located at an interval between the first port and the second port.

In some embodiments of the present invention, the second frame body is further provided with a first positioning structure, the first positioning structure and the supporting structure are located at the same side of the second frame body, and the first positioning structure is matched with the second positioning structure of the first plate.

In some embodiments of the present invention, the air outlet is opened on the flange portion and faces the placing plane of the cooking device.

In some embodiments of the present invention, the first air inlet is provided on the first frame body and is far away from the placing plane.

In some embodiments of the present invention, the number of the second air inlets is two, and the second air inlets are both opened at the folded portion and are respectively disposed at both sides of the air outlet.

In some embodiments of the present invention, two of the second air inlets are both far away from the placing plane.

In some embodiments of the present invention, the first plate is a first glass plate;

and/or the second plate is a second glass plate;

and/or the third plate is a third glass plate.

A second aspect of the present invention provides a cooking apparatus, comprising:

a door assembly according to the above;

the box, be equipped with the culinary art chamber on the box, door frame pivotal connection in the box to open or close the culinary art chamber.

According to the cooking device of the utility model, in the door assembly of the cooking device, the second plate is embedded in the first port, the third plate is embedded in the second port, thereby sealing two ports of the door frame, the first plate is arranged in the door frame, the first plate is respectively arranged at intervals with the second plate and the third plate, the two sides of the first plate are respectively provided with the first channel and the second channel, the door frame is pivotally connected on the box body of the cooking device, the second plate is arranged close to the box body of the cooking cavity, the third plate is arranged corresponding to the second plate and is far away from the box body of the cooking cavity, when the door assembly is closed relative to the box body, the second plate seals the open end of the cooking cavity, the heat dissipation air channel on the box body is communicated with the first channel through the first air inlet, the second channel is communicated with the outside through the second air inlet, simultaneously, the first channel and the second channel are both communicated with the outside through the second air outlet, the fan in the heat dissipation wind channel starts, the heat dissipation wind channel sends into the first passageway with cold air through first air intake, the cold space carries out the heat exchange in the first passageway, air after the heat exchange is discharged to the external world through the air outlet again, when air after the heat exchange is discharged through the air outlet, form the negative pressure at the air outlet for external cold air enters into the second passageway through the second air intake, external cold air carries out the heat exchange in the second passageway, the air through the heat exchange is discharged to the external world through the air outlet again.

Through the heat dissipation channel intercommunication with the box of first passageway and culinary art chamber, thereby utilize the cold air in the heat dissipation channel to cool down door subassembly, in order to avoid the too high condition of door subassembly temperature rise, and simultaneously, the cold air in the heat dissipation channel is through air outlet exhaust in-process, through forming the negative pressure at the air outlet, thereby for the second channel provides power, in order to inhale the second channel with external cold air, the temperature rise of door subassembly has further been avoided, and then effectively avoided because the too high condition of scalding the user of door subassembly temperature rise takes place, the safety of user's use has been guaranteed, make user's use experience obtain the promotion.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:

fig. 1 schematically shows a cross-sectional view of a cooking device according to an embodiment of the invention (wherein the black hollow arrows indicate the direction of the air flow);

FIG. 2 is an enlarged schematic view of a portion A of the cooking device shown in FIG. 1 (wherein black hollow arrows indicate the direction of airflow);

FIG. 3 is a schematic structural view of a door assembly of the cooking device shown in FIG. 1;

FIG. 4 is a cross-sectional view of the door assembly shown in FIG. 3;

FIG. 5 is a schematic view of the door assembly shown in FIG. 3 from another perspective (the first frame and the second panel are not shown);

fig. 6 is a sectional view of the door assembly shown in fig. 5.

The reference numbers are as follows:

100 is a cooking device;

10 is a door assembly;

11 is a first frame body, 111 is a first air inlet, 12 is a second frame body, 121 is a folded edge part, 122 is a second air inlet, 123 is an air outlet, 124 is a supporting structure, 125 is a first positioning structure, 13 is a second plate, 14 is a connecting piece, 15 is a locking piece, 16 is a third plate, 17 is a first plate, 171 is a second positioning structure, 18 is a second channel, and 19 is a first channel;

20 is a box body;

21 is a cooking cavity, 22 is a heat dissipation air duct, and 23 is a fan.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1 to 6, according to an embodiment of the present invention, there is provided a door assembly 10 for a cooking apparatus 100, the door assembly 10 including: the cooking device comprises a door frame, a first plate 17, a second plate 13 and a third plate 16, wherein the door frame is used for being in pivot connection with a box body 20 of the cooking device 100, a first air inlet 111, a second air inlet 122 and an air outlet 123 are arranged on the door frame, the first air inlet 111 is used for being communicated with a heat dissipation air duct 22 in the box body 20, the second air inlet 122 and the air outlet 123 are respectively communicated with the outside, the first plate 17 is arranged on the door frame, the second plate 13 is embedded in a first port, close to the box body 20, of the door frame, the second plate 13 and the first plate 17 are arranged at intervals to form a first passage 19, the first air inlet 111 and the air outlet 123 are respectively communicated with the first passage 19, the third plate 16 is embedded in a second port, far away from the box body 20, of the door frame, the third plate 16 and the first plate 17 are arranged at intervals to form a second passage 18, and the.

Specifically, the second plate 13 is embedded in the first port, the third plate 16 is embedded in the second port, so as to close the two ports of the door frame, the first plate 17 is disposed in the door frame, the first plate 17 is disposed at an interval with the second plate 13 and the third plate 16, the first channel 19 and the second channel 18 are formed on two sides of the first plate 17, respectively, when the door assembly 10 is used in the cooking device 100, the door frame is pivotally connected to the box 20 of the cooking device 100, the second plate 13 is disposed close to the box 20 of the cooking cavity 21, the third plate 16 is disposed corresponding to the second plate 13 and is disposed far away from the box 20 of the cooking cavity 21, when the door assembly 10 is closed relative to the box 20, the second plate 13 closes the open end of the cooking cavity 21, the heat dissipation air duct 22 on the box 20 is communicated with the first channel 19 through the first air inlet 111, the second channel 18 is communicated with the outside through the second air inlet 122, and simultaneously, both the first channel 19 and the second channel 18 are communicated with the outside air outlet, when cooking food, fan 23 in the heat dissipation air duct 22 is started, the heat dissipation air duct 22 sends cold air into the first channel 19 through the first air inlet 111, the cold space carries out heat exchange in the first channel 19, the air after the heat exchange is discharged to the outside through the air outlet 123, when the air after the heat exchange is discharged through the air outlet 123, negative pressure is formed at the air outlet 123, so that the external cold air enters the second channel 18 through the second air inlet 122, the external cold air carries out the heat exchange in the second channel 18, and the air after the heat exchange is discharged to the outside through the air outlet 123.

Through the heat dissipation channel intercommunication with first passageway 19 and the box 20 of culinary art chamber 21, thereby utilize the cold air in the heat dissipation channel to cool down door subassembly 10, in order to avoid the too high condition of door subassembly 10 temperature rise, and simultaneously, the cold air in the heat dissipation channel is through air outlet 123 exhaust in-process, through forming the negative pressure at air outlet 123, thereby for second passageway 18 provides power, in order to inhale the second passageway 18 with external cold air, the temperature rise of door subassembly 10 has further been avoided, and then effectively avoided scalding user's condition because door subassembly 10 temperature rise takes place, the safety of user's use has been guaranteed, make user's use experience obtain the promotion.

It should be understood that, when the door assembly 10 is used in the cooking device 100, the first air inlet 111 is communicated with the heat dissipation air duct 22 on the box body 20, the fan 23 in the heat dissipation air duct 22 is used to provide power for the inlet air of the first channel 19, and the air outlet 123 is used to form negative pressure to provide power for the second channel 18, so that the structure of the door body and the consumption of energy are simplified, and the manufacturing cost of the product is reduced.

It should be noted that the space between the second plate 13 and the third plate 16 is separated by the first plate 17 to form a first channel 19 and a second channel 18, wherein the first channel 19 is disposed close to the cooking cavity 21, and the second channel 18 is disposed far from the cooking cavity 21, when food is cooked, high temperature in the cooking cavity 21 is transferred to the second plate 13, and cold air in the cooling air duct 22 flows through the first channel 19, so that the temperature rise of the second plate 13, the first plate 17 and the door frame is reduced through heat exchange, thereby reducing the overall temperature rise of the door assembly 10, meanwhile, the external cold air enters the second channel 18 through the second air inlet 122, and during the flowing process, the temperature rise of the first plate 17, the third plate 16 and the door frame is reduced again through heat exchange, further avoiding the situation that the temperature of the door assembly 10 is raised too high.

In addition, the door frame is connected with the box body 20 through the connecting piece 14, and the connecting piece 14 can be a hinge and other structures, so that the opening and closing of the door assembly 10 relative to the box body 20 are ensured, and the convenience of user operation is ensured.

In addition, door subassembly 10 still includes locking piece 15, and locking piece 15 sets up on the door frame, realizes door subassembly 10's locking through locking piece 15 and the cooperation of box 20, has guaranteed door subassembly 10 to the effect of closing of cooking chamber 21.

It is further understood that, as shown in fig. 1 to 4, the door frame includes a first frame body 11 and a second frame body 12, a first port is opened on the first frame body 11, a second port is opened on the second frame body 12, the second frame body 12 is provided with a folded portion 121 along an edge thereof, the first frame body 11 and the folded portion 121 cooperate to form a hollow structure, and the first plate 17 is disposed in the hollow structure. Specifically, after the first frame 11 and the folded part 121 are matched, the first port and the second port are correspondingly arranged, the first plate 17 is fixed, the first port and the second port are respectively located on two sides of the first plate 17, and the first port and the second port are not communicated by using the separation of the first plate 17, when the second plate 13 is matched with the first port, the third plate 16 is matched with the second port, so that two adjacent channels (namely the first channel 19 and the second channel 18) can be formed, by the structure, the covering area of the first channel 19 and the second channel 18 on the door assembly 10 can be increased, the heat dissipation area of the door assembly 10 is increased, the temperature rise of the door assembly 10 is further avoided, and the use safety of a user is further ensured.

It should be understood that, hem portion 121 is perpendicular with second framework 12, when first framework 11 and hem portion 121 cooperate, hem portion 121 has constituted the thickness of door subassembly 10, and simultaneously, after first framework 11 and hem portion 121 cooperate, first framework 11 and the setting of second framework 12 interval, first framework 11, the space that second framework 12 and hem portion 121 three enclose is hollow structure, through setting up hollow structure, can effectively reduce the weight of door subassembly 10, the joint strength of door subassembly 10 and box 20 has been guaranteed.

It should be noted that the first frame 11 and the folded edge portion 121 are connected and fixed by any one of clamping, bonding, or screwing, and details about the specific connection manner of the first frame 11 and the folded edge portion 121 are not repeated in this application.

Further, as shown in fig. 4 to 6, the second frame 12 is further provided with a supporting structure 124, the supporting structure 124 and the flanging structure are located on the same side of the second frame 12, the supporting structure 124 is arranged along the circumferential direction of the second port, and the first plate 17 abuts against the supporting structure 124 and is arranged at an interval from the first port and the second port, respectively. Specifically, the third plate 16 is embedded in the second port, and after the first plate 17 is matched with the supporting structure 124, the second channel 18 is formed between the first plate 17 and the third plate 16 at an interval, so that the first plate 17 is installed and fixed by setting the supporting structure 124, and the stability of forming the second channel 18 between the first plate 17 and the third plate 16 is ensured, thereby further ensuring the heat dissipation effect of the door assembly 10.

It should be understood that the support structure 124 protrudes from the surface of the second frame 12, the support structure 124 is disposed along the circumference of the second port, and when the first plate 17 is engaged with the support structure 124, the edge of the first plate 17 is engaged with the support structure 124, so as to avoid heat transfer between the first plate 17 and the third plate 16, and thus avoid over-temperature of the door assembly 10.

It should be noted that the connection manner between the first plate 17 and the support structure 124 may be any one of clamping, bonding or screwing, and details about the specific connection manner between the first plate 17 and the support structure 124 are not described herein again.

In addition, the second frame body 12 can be a metal part or a non-metal part, in this application, the second frame body 12 is a non-metal part (for example, plastic or ceramic, which can further avoid heat transfer, so that the temperature rise of the door assembly 10 is reduced), the supporting structure 124 is a rib plate type structure integrally formed with the second frame body 12, the first plate 17 is fixedly installed by setting the supporting structure 124, and meanwhile, the strength of the second frame body 12 can be effectively increased, so that the overall strength and the stability of the door assembly 10 are improved.

In addition, the material of the first frame 11 may be the same as that of the second frame 12, or may not be the same as that of the second frame 12, and the description of the material of the first frame 11 is omitted here.

Further, as shown in fig. 5 and 6, the second frame 12 is further provided with a first positioning structure 125, the first positioning structure 125 and the supporting structure 124 are located on the same side of the second frame 12, and the first positioning structure 125 is matched with the second positioning structure 171 of the first plate 17. Specifically, during the installation of first board 17, correspond second location structure 171 and first location structure 125 and set up, through the cooperation of second location structure 171 and first location structure 125 to realized the location installation of first board 17, guaranteed the installation accuracy of first board 17, and then further guaranteed the isolation effect of first passageway 19 with second passageway 18, makeed the effect that the temperature rise of door subassembly 10 reduced to obtain further assurance.

It should be noted that, in the present application, the first positioning structure 125 is a positioning column, and the second positioning structure 171 is a positioning hole, and the positioning column is inserted into the positioning hole, so as to realize the positioning of the first plate 17, and the positioning column and the positioning hole have simple structure, and are convenient to assemble, thereby effectively improving the assembly efficiency, and reducing the manufacturing cost of the product.

In other embodiments, the first positioning structure 125 is a hook, the second positioning structure 171 is a slot, and the hook and the slot cooperate to synchronously position and fix the first board 17, so as to further improve the assembly efficiency and reduce the manufacturing cost.

Further, as shown in fig. 4 to 6, the air outlet 123 is opened on the hem portion 121 and faces the placement plane of the cooking apparatus 100. Specifically, when the door assembly 10 is used for the cooking device 100, in the process of cooking food, cold air enters into the first channel 19 and the second channel 18 in the door assembly 10, the temperature rise of the door assembly 10 is reduced by heat exchange of the cold air, the air after heat exchange is discharged through the air outlet 123, and the air outlet 123 faces the placing plane of the cooking device 100, so that the influence of the air discharged from the air outlet 123 on a user is avoided, and the use experience of the user is guaranteed.

It should be noted that, the number of the air outlets 123 may be one, or may be multiple, and this application will not be repeated for the number of the air outlets 123.

Further, as shown in fig. 3 and 4, the first air inlet 111 is opened on the first frame 11 and is away from the placement plane. Specifically, when door assembly 10 is used for cooking device 100, first air intake 111 corresponds the setting with the export of the heat dissipation channel of box 20, when door assembly 10 is closed relative to box 20, first passageway 19 is through first air intake 111 and heat dissipation channel intercommunication, the plane is placed towards to the air outlet 123 of door assembly 10, set up through keeping away from air outlet 123 with first air intake 111, can increase the distance of first air intake 111 and air outlet 123, thereby the flow path of cold air in first passageway 19 has been prolonged, make the heat dissipation of door assembly 10 more abundant, further reduced door assembly 10's temperature rise, the security that the user used has been guaranteed.

It should be supported that the number of the first air inlets 111 may be one, or may be multiple, and details of the number of the first air inlets 111 are not repeated in this application.

Further, the number of the second air inlets 122 is two, and the two second air inlets 122 are both opened at the hem portion 121 and are respectively disposed at two sides of the air outlet 123. Specifically, when the cold air in the first channel 19 is discharged through the air outlet 123, the air outlet 123 is communicated with the second channel 18, negative pressure is formed at the air outlet 123, so that the external cold air enters the second channel 18 through the two second air inlets 122 respectively, the cold air is discharged through the air outlet 123 after heat exchange is performed in the second channel 18, the two second air inlets 122 are arranged on two sides of the air outlet 123, thereby ensuring the entering amount of the cold air in the second channel 18, and further ensuring the temperature rise reduction effect of the door assembly 10.

It should be noted that the number of the second air inlets 122 may also be multiple (more than two), so as to further increase the amount of cold air entering the second channel 18, and further ensure the heat dissipation effect of the door assembly 10.

Further, as shown in fig. 1 to 3, both the second air inlets 122 are disposed far from the placement plane. Specifically, when door assembly 10 closed for box 20, first passageway 19 communicates with heat dissipation channel through first air intake 111, the plane is placed towards to the air outlet 123 of door assembly 10, through all keeping away from two second air intakes 122 and placing the plane setting, can increase the distance of two second air intakes 122 and air outlet 123, thereby the flow path of external cold air in second passageway 18 has been prolonged, make the heat dissipation of door assembly 10 more abundant, further reduced door assembly 10's temperature rise, the security that the user used has been guaranteed.

It should be noted that, in the rectangular structure of the second frame 12, two second air inlets 122 are respectively opened at two opposite sides of the hem portion 121, so as to ensure the stability of the door assembly 10 when the cold air enters the second passage 18.

Further, the first plate 17 is a first glass plate. Specifically, the first glass plate is disposed in the door frame, through which a user can observe the inside of the cooking cavity 21, thereby improving the user's experience.

It should be noted that, in the present application, the first glass plate is a tempered glass plate, so that the strength of the door assembly 10 is effectively ensured.

In other embodiments, the first glass piece is a plain glass piece, thereby effectively reducing the manufacturing cost of the door assembly 10.

Specifically, the second plate 13 is a second glass plate, the second glass plate is embedded in the first port of the first frame 11, and a user can observe the condition in the cooking cavity 21 through the first glass plate and the second glass plate, so that the use experience of the user is improved.

It should be noted that the second glass plate is an insulating glass, so as to effectively block the heat transfer in the cooking chamber 21, and further reduce the temperature rise of the door assembly 10.

Specifically, the third plate 16 is a third glass plate. The third glass plate is embedded in the second port of the second frame 12, and a user can observe the condition in the cooking cavity 21 through the third glass plate, the first glass plate and the second glass plate, so that the use experience of the user is improved.

It should be noted that the third glass sheet is a tempered glass sheet, further ensuring the strength of the door assembly 10.

The utility model also provides a cooking device 100, as shown in fig. 1 to 6, cooking device 100 includes door assembly 10 and box 20, and door assembly 10 is according to above door assembly 10, is equipped with culinary art chamber 21 on the box 20, and door frame pivotal connection is in box 20 to open or close culinary art chamber 21.

Specifically, in the door assembly 10 of the cooking apparatus 100, the second plate 13 is embedded in the first port, the third plate 16 is embedded in the second port, so as to close the two ports of the door frame, the first plate 17 is disposed in the door frame, the first plate 17 is disposed at an interval with the second plate 13 and the third plate 16, the first channel 19 and the second channel 18 are formed on two sides of the first plate 17, respectively, the door frame is pivotally connected to the box 20 of the cooking apparatus 100, the second plate 13 is disposed close to the box 20 of the cooking chamber 21, the third plate 16 is disposed corresponding to the second plate 13 and is disposed far away from the box 20 of the cooking chamber 21, when the door assembly 10 is closed relative to the box 20, the second plate 13 closes the open end of the cooking chamber 21, the heat dissipation duct 22 on the box 20 is communicated with the first channel 19 through the first air inlet 111, the second channel 18 is communicated with the outside through the second air inlet 122, and simultaneously, both the first channel 19 and the second channel 18 are communicated with the outside air outlet through 123, when cooking food, fan 23 in the heat dissipation air duct 22 is started, the heat dissipation air duct 22 sends cold air into the first channel 19 through the first air inlet 111, the cold space carries out heat exchange in the first channel 19, the air after the heat exchange is discharged to the outside through the air outlet 123, when the air after the heat exchange is discharged through the air outlet 123, negative pressure is formed at the air outlet 123, so that the external cold air enters the second channel 18 through the second air inlet 122, the external cold air carries out the heat exchange in the second channel 18, and the air after the heat exchange is discharged to the outside through the air outlet 123.

Through the heat dissipation channel intercommunication with first passageway 19 and the box 20 of culinary art chamber 21, thereby utilize the cold air in the heat dissipation channel to cool down door subassembly 10, in order to avoid the too high condition of door subassembly 10 temperature rise, and simultaneously, the cold air in the heat dissipation channel is through air outlet 123 exhaust in-process, through forming the negative pressure at air outlet 123, thereby for second passageway 18 provides power, in order to inhale the second passageway 18 with external cold air, the temperature rise of door subassembly 10 has further been avoided, and then effectively avoided scalding user's condition because door subassembly 10 temperature rise takes place, the safety of user's use has been guaranteed, make user's use experience obtain the promotion.

In addition, the cooking device is an oven or a steam oven, and other structures of the cooking device are referred to the prior art and are not described herein again.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A door assembly for a cooking device, the door assembly comprising:

the cooking device comprises a door frame, wherein the door frame is used for being pivotally connected with a box body (20) of the cooking device, a first air inlet (111), a second air inlet (122) and an air outlet (123) are formed in the door frame, the first air inlet (111) is used for being communicated with a heat dissipation air duct (22) in the box body (20), and the second air inlet (122) and the air outlet (123) are respectively communicated with the outside;

a first plate (17), the first plate (17) being disposed on the door frame;

the second plate (13) is embedded in a first port of the door frame, which is close to the box body (20), the second plate (13) and the first plate (17) are arranged at intervals to form a first channel (19), and the first air inlet (111) and the air outlet (123) are respectively communicated with the first channel (19);

the third plate (16) is embedded in a second port, far away from the box body (20), of the door frame, the third plate (16) and the first plate (17) are arranged at intervals to form a second channel (18), and the second air inlet (122) and the air outlet (123) are respectively communicated with the second channel (18).

2. The door assembly as claimed in claim 1, wherein the door frame comprises:

a first frame (11), the first port being provided in the first frame (11);

the second frame body (12) is provided with the second port, the second frame body (12) is provided with a flanging part (121) along the edge of the second frame body (12), the first frame body (11) is matched with the flanging part (121) to form a hollow structure, and the first plate (17) is arranged in the hollow structure.

3. The door assembly as claimed in claim 2, wherein the second frame body (12) is further provided with a support structure (124), the support structure (124) and the flange structure are positioned on the same side of the second frame body (12), the support structure (124) is arranged along the circumference of the second port, and the first plate (17) abuts against the support structure (124) and is respectively arranged at intervals from the first port and the second port.

4. A door assembly as claimed in claim 3, wherein the second frame (12) is further provided with a first locating formation (125), the first locating formation (125) and the support formation (124) being located on the same side of the second frame (12), the first locating formation (125) cooperating with a second locating formation (171) of the first panel (17).

5. A door assembly according to claim 2, wherein said air outlet opening (123) opens onto said hem (121) towards the resting plane of the cooking device.

6. The door assembly as claimed in claim 5, wherein the first air inlet (111) is opened in the first frame (11) away from the placement plane.

7. The door assembly as claimed in claim 5, wherein the number of the second intake vents (122) is two, and both of the second intake vents (122) are opened at the hem portion (121) and are disposed at both sides of the outlet vent (123).

8. The door assembly as claimed in claim 7, wherein both of the second air intakes (122) are disposed away from the seating plane.

9. A door assembly according to any one of claims 1 to 8, wherein the first panel (17) is a first glass panel;

and/or the second plate (13) is a second glass plate;

and/or the third plate (16) is a third glass plate.

10. A cooking device, characterized in that it comprises:

a door assembly according to any one of claims 1 to 9;

the refrigerator comprises a refrigerator body (20), wherein a cooking cavity (21) is formed in the refrigerator body (20), and the door frame is pivotally connected to the refrigerator body (20) to open or close the cooking cavity (21).

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