CN213746908U - Door assembly and microwave cooking utensil - Google Patents

Abstract

The utility model discloses a door subassembly and microwave cooking utensil, this door subassembly includes the door frame, the door frame includes frame body portion and choking portion, be equipped with on the frame body portion and be used for leaning on the protruding structure of box, protruding structure is located the edge of frame body portion and extends along the edge of frame body portion, choking portion connects in the edge of protruding structure and extends along the edge of protruding structure, be formed with the choke groove between choking portion and the protruding structure, under the fixed state of width that keeps the choke groove, the terminal surface of choking portion orientation protruding structure is close to the edge setting of door frame, so that protruding structure expands outward on the frame body portion. When the door assembly is used for the microwave cooking utensil, protruding structure supports and leans on the front bezel of box, and choke portion sets up towards the edge that is close to the door frame towards the terminal surface of protruding structure, and the width in choke groove is unchangeable, and protruding structure corresponds expands outward to the edge that is close to the door frame, has increased the opening size in culinary art chamber, and then has increased the volume in culinary art chamber for user's use experience has obtained promoting effectively.

Description

Door assembly and microwave cooking utensil

Technical Field

The utility model relates to the technical field of household appliances, especially, relate to a door subassembly. The utility model discloses still relate to a microwave cooking utensil.

Background

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

Microwave cooking appliances (e.g., microwave ovens, etc.) typically include a cabinet, a door assembly pivotally coupled to the cabinet to open or close a cooking cavity in the cabinet, and a microwave generating device that delivers microwaves into the cooking cavity to cook food in the cooking cavity.

Be equipped with the choke structure on the door frame of door subassembly, when the door subassembly was closed to the box, the choke structure was close to the front bezel of box and was located the outside of the opening of culinary art chamber to avoid the microwave production in the culinary art chamber to leak. The appearance size of the microwave cooking appliance is relatively fixed, and the size of the choking structure is also relatively fixed, so that the volume increase of the cooking cavity is limited, and the use experience of a user is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving at least the problem of how to increase the volume of cooking chamber in order to promote user's use experience. The purpose is realized by the following technical scheme:

the utility model discloses a first aspect provides a door subassembly, door subassembly includes the door frame, the door frame is used for pivotal connection on microwave cooking utensil's box, the door frame includes frame body portion and choking portion, be equipped with on the frame body portion and be used for supporting and lean on the protruding structure of box, protruding structure is located the edge of frame body portion just follows the edge of frame body portion extends, choking portion connect in the edge of protruding structure just follows the edge of protruding structure extends, choking portion with be formed with the choke groove between the protruding structure, keeping under the fixed state of width in choke groove, the orientation of choking portion the terminal surface of protruding structure is close to the edge setting of door frame, so that protruding structure is in expand outward on the frame body portion.

According to the utility model discloses a door assembly, wherein, be equipped with protruding structure on the frame body portion of door frame, this protruding structure is located the edge of frame body portion along the framework to protruding structure extends the a week of frame body portion, and choke portion connects at the edge of protruding structure and extends a week of protruding structure, and the choke groove forms between protruding structure and choke portion, and the choke groove ring protruding structure sets up a week.

When the door assembly is used for a microwave cooking appliance, the door assembly is pivotally connected on a box body of the microwave cooking appliance, the opening or closing of a cooking cavity in the box body is realized through the opening and closing of the door assembly, when the door assembly is in a closed state, the protruding structure of the door frame is abutted against a front plate of the box body and is positioned at the outer side of an opening of the cooking cavity (the opening of the cooking cavity is positioned on the front plate), the choking part is positioned at the outer side of the protruding structure, the choking part is arranged towards the end surface of the protruding structure to the edge close to the door frame, on the premise of keeping the width of the choking groove unchanged, the protruding structure correspondingly expands outwards towards the edge close to the door frame, so that the inner space of the protruding structure is increased, as the inner space of the protruding structure corresponds to the opening size of the cooking cavity, the opening size of the cooking cavity is increased, and the volume of the cooking cavity is increased on the premise of ensuring that the appearance size of the microwave cooking appliance is unchanged, the use experience of the user is effectively improved.

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 choke portion includes:

one end of the first connecting plate is connected with the edge of the protruding structure;

one end of the second connecting plate is vertically connected to the other end of the first connecting plate, and the second connecting plate and the protruding structure are located on the same side of the first connecting plate;

and the choke teeth are respectively connected to the other end of the second connecting plate and are arranged at intervals along the circumferential direction of the protruding structure.

In some embodiments of the present invention, the choke tooth includes:

one end of the first plate is connected to the second connecting plate, and the first plate and the second connecting plate are located in the same plane;

one end of the second plate is vertically connected to the other end of the first plate, and the second plate and the connecting plate are positioned on the same side of the second connecting plate;

one end of the third plate is connected to the other end of the second plate, the third plate and the first plate are located on the same side of the second plate, the other end of the third plate and the first connecting plate are arranged at intervals, and the choke groove is formed between the third plate and the protruding structure.

In some embodiments of the present invention, a distance between the third plate and the second connecting plate is less than a height of the second connecting plate.

In some embodiments of the present invention, the plurality of choke teeth are disposed at equal intervals on the second connecting plate.

In some embodiments of the present invention, the length of the choke tooth in the circumferential direction of the protruding structure is equal to the distance between two adjacent choke teeth.

In some embodiments of the present invention, the choke portion is provided with a reinforcement hole, and the reinforcement hole is disposed at a junction of the first connection plate and the second connection plate.

In some embodiments of the present invention, the number of the reinforcing holes is plural, and plural reinforcing holes are provided at intervals along the extending direction of the joint.

In some embodiments of the present invention, the door assembly further comprises:

the door frame comprises a shell, wherein a containing groove is formed in the shell, and the door frame is arranged in the containing groove;

the door seal is matched with the opening of the containing groove in a detachable mode so as to seal the opening.

A second aspect of the present invention provides a microwave cooking appliance, the microwave cooking appliance includes:

the cooking box comprises a front plate and a cooking cavity, and the cooking cavity is communicated with the outside through the front plate;

according to the door assembly as described above, the door assembly is pivotally connected to the front plate for opening or closing the cooking chamber.

According to the utility model discloses a microwave cooking utensil is equipped with protruding structure on the frame body portion of door frame, and this protruding structure is located the edge of frame body portion along the framework to protruding structure extends the a week of frame body portion, and choke portion connects at the edge of protruding structure and extends a week of protruding structure, and the choke groove forms between protruding structure and choke portion, and the protruding structure of choke groove ring sets up a week.

The door assembly is pivotally connected to a box body of the microwave cooking appliance, the opening or closing of a cooking cavity in the box body is realized through the opening and closing of the door assembly, when the door assembly is in a closed state, the protruding structure of the door frame abuts against a front plate of the box body and is positioned on the outer side of an opening of the cooking cavity (the opening of the cooking cavity is positioned on the front plate), the choking part is positioned on the outer side of the protruding structure, the choking part is arranged towards the end surface of the protruding structure towards the edge close to the door frame, on the premise of keeping the width of the choking groove unchanged, the protruding structure correspondingly expands outwards towards the edge close to the door frame, so that the inner space of the protruding structure is increased, the inner space of the protruding structure corresponds to the opening size of the cooking cavity, the opening size of the cooking cavity is increased, and the volume of the cooking cavity is increased on the premise of ensuring that the appearance size of the microwave cooking appliance is unchanged, the use experience of the user is effectively improved.

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 illustrates an exploded schematic view of a door assembly according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the door frame shown in FIG. 1;

FIG. 3 is a cross-sectional view of the doorframe shown in FIG. 2;

FIG. 4 is an enlarged view of the portion A of the doorframe shown in FIG. 3;

FIG. 5 is a partial schematic view of the doorframe shown in FIG. 1;

fig. 6 is an enlarged view of a portion B of the doorframe shown in fig. 5.

The reference numbers are as follows:

100 is a door assembly;

10 is a door frame;

11 is a frame body part, and 111 is a convex structure;

12 is a choke portion, 121 is a first connecting plate, 122 is a second connecting plate, 123 is a choke tooth, 1231 is a first plate, 1232 is a second plate, 1233 is a third plate, 124 is a reinforcing hole;

13 is a choke groove;

20 is door glass;

30 is a shell;

40 is a door seal;

and 50 is a sealing ring.

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, a door assembly 100 is provided, the door assembly 100 includes a door frame 10, the door frame 10 is configured to be pivotally connected to a box body of a microwave cooking appliance, the door frame 10 includes a frame body portion 11 and a choke portion 12, a protruding structure 111 for abutting against the box body is provided on the frame body portion 11, the protruding structure 111 is located at an edge of the frame body portion 11 and extends along an edge of the frame body portion 11, the choke portion 12 is connected to an edge of the protruding structure 111 and extends along an edge of the protruding structure 111, a choke groove 13 is formed between the choke portion 12 and the protruding structure 111, and in a state that a width of the choke groove 13 is fixed, the choke portion 12 is disposed near an edge of the door frame 10 toward an end surface of the protruding structure 111, so that the protruding structure 111 expands outward on the frame body portion 11.

Specifically, the frame body portion 11 of the door frame 10 is provided with a protruding structure 111, the protruding structure 111 is located at the edge of the frame body portion 11 along the frame body, and the protruding structure 111 extends for one turn of the frame body portion 11, the choke groove 12 is connected to the edge of the protruding structure 111 and extends for one turn of the protruding structure 111, the choke groove 13 is formed between the protruding structure 111 and the choke portion 12, and the choke groove 13 is provided for one turn around the protruding structure 111.

When the door assembly 100 is used in a microwave cooking appliance, the door assembly 100 is pivotally connected to a cabinet of the microwave cooking appliance, and the cooking cavity in the cabinet is opened or closed by opening and closing the door assembly 100, when the door assembly 100 is in a closed state, the protrusion 111 of the door frame 10 abuts against a front plate of the cabinet and is located outside an opening of the cooking cavity (the opening of the cooking cavity is located on the front plate), the choke 12 is located outside the protrusion 111, and by arranging the choke 12 toward an end surface of the protrusion 111 toward an edge close to the door frame 10, the protrusion 111 correspondingly expands outward toward the edge close to the door frame 10 while maintaining a constant width of the choke groove 13, so that an inner space of the protrusion 111 is increased, and since the inner space of the protrusion 111 corresponds to the size of the opening of the cooking cavity, the size of the opening of the cooking cavity is increased, and then increased the volume in culinary art chamber under the unchangeable prerequisite of the external dimension of guaranteeing microwave cooking utensil for user's use experience has obtained promoting effectively.

It is to be understood that the convex structure 111 is formed at the edge of the frame portion 11, when the choke portion 12 is disposed toward the edge of the door frame 10 toward the end face of the convex structure 111, at which time the dimension of the choke structure in the width direction of the choke groove 13 is reduced, and in order to keep the width dimension of the choke groove 13 constant, the convex structure 111 (which is structurally constant) needs to be expanded toward the edge of the door frame 10, so that the space inside the convex structure 111 is increased, and the volume of the cooking chamber can be increased when the door assembly 100 is used for the microwave cooking appliance.

It should be noted that, in the utility model discloses in, frame body 11 is for enclosing the frame construction who forms through a plurality of frames, and this frame construction's middle part is hollow structure, and when door subassembly 100 was used for microwave cooking utensil, the condition of culinary art intracavity portion was observed to this hollow structure of user's accessible to the user experience of using microwave cooking utensil has been improved to the user.

Additionally, the utility model discloses in, door frame 10 is the metalwork, through punching press integrated into one piece to form frame body portion 11 and choking portion 12 that connect each other, this kind of manufacturing method processing is convenient, has effectively reduced the manufacturing cost of product, thereby does benefit to the popularization and the popularization of product.

It is further understood that, as shown in fig. 3 and 4, the choke portion 12 includes a first connecting plate 121, a second connecting plate 122 and a plurality of choke teeth 123, one end of the first connecting plate 121 is connected with an edge of the protrusion structure 111, one end of the second connecting plate 122 is perpendicularly connected with the other end of the first connecting plate 121, the second connecting plate 122 is located on the same side of the first connecting plate 121 as the protrusion structure 111, the choke teeth 123 are respectively connected with the other end of the second connecting plate 122, and the plurality of choke teeth 123 are spaced apart in a circumferential direction of the protrusion structure 111. Specifically, two sides of the first connecting plate 121 are respectively and vertically connected with the edges of the second connecting plate 122 and the protruding structure 111, the second connecting plate 122 and the protruding structure 111 are arranged in parallel and at intervals towards the end surface of the choke portion 12, and each choke tooth 123 is arranged at intervals along one end of the second connecting plate 122 far away from the first connecting plate 121, so that choke teeth 123 are arranged outside one circle of the protruding structure 111, when the door assembly 100 is used in a microwave cooking appliance, and the door assembly 100 is closed relative to a cooking cavity of the microwave cooking appliance, the protruding structure 111 abuts against a front plate of a box body of the microwave cooking appliance, and the protruding structure 111 is positioned outside an opening of the cooking cavity, and by arranging the choke teeth 123 in the circumferential direction outside the protruding structure 111, leakage of microwaves in the cooking cavity through a gap between the door assembly 100 and the front plate is avoided, and use safety of a user is ensured.

It should be understood that the choke teeth 123 are spaced from the convex structure 111, and the choke grooves 13 are formed in the space between each choke tooth 123 and the convex structure 111, so that a circle of choke grooves 13 is provided in the circumferential direction of the outer side of the convex structure 111 to avoid the microwave leakage.

Further, as shown in fig. 5 and 6, the choke tooth 123 includes a first plate 1231, a second plate 1232, and a third plate 1233, one end of the first plate 1231 is connected to the second connection plate 122, the first plate 1231 and the second connection plate 122 are located in the same plane, one end of the second plate 1232 is vertically connected to the other end of the first plate 1231, the second plate 1232 and the connection plate are located on the same side of the second connection plate 122, one end of the third plate 1233 is connected to the other end of the second plate 1232, the third plate 1233 and the first plate 1231 are located on the same side of the second plate 1232, the other end of the third plate 1233 is spaced apart from the first connection plate 121, and the choke groove 13 is formed between the third plate 1233 and the protrusion structure 111. Specifically, the choke tooth 123 includes a first plate 1231, a second plate 1232, and a third plate 1233 connected to each other, wherein the first plate 1231, the second plate 1232, and the third plate 1233 are sequentially connected to form an approximately "U-shaped" structure, the first plate 1231 and the third plate 1233 are two side walls of the "U-shaped" and one side wall (the first plate 1231 is connected to the second connecting plate 122 and both are on the same plane), the other side wall (the third plate 1233) is in a suspended state and is close to one side of the boss structure 111, the choke groove 13 is formed between the third plate 1233 and the boss structure 111, and by reducing the size of the second plate 1232 in the width direction of the boss structure 111, the first plate 1231 is made to be closer to the third plate 1233, at this time, in order to ensure that the size of the choke groove 13 does not change (the size of the choke groove 13 is set in advance according to the microwave wavelength), the boss structure 111 is required to be expanded outward in the whole in the edge direction of the frame body 11 (the cross-sectional shape of the frame body 11 does not change), when door subassembly 100 is used for microwave cooking utensil, the contact position of protruding structure 111 and microwave cooking utensil's front bezel moves outward to can enlarge the opening that the cooking chamber is located on the front bezel, make the volume of cooking chamber obtain the increase, and then promoted user's use and experienced.

It should be understood that the second connecting plate 122 and the protruding structure 111 are both located on the same side of the first connecting plate 121, and after the choke teeth 123 are connected to the second connecting plate 122, the choke teeth 123 and the protruding structure 111 are both located on the same side of the first connecting plate 121, and the choke teeth 123 for blocking the escape of microwaves are further ensured by the vertical connection of the first plate 1231, the second plate 1232 and the third plate 1233 with each other.

It should be noted that, in the present invention, as shown in fig. 3 and 4, in fig. 4, W represents the size of the second plate 1232 in the width direction of the protruding structure 111, h represents the distance between the third plate 1233 and the first connecting plate 121, and L represents the distance between the second connecting plate 122 and the edge of the protruding structure 111, so that the protruding structure 111 can be expanded by reducing W, thereby increasing the volume of the cooking cavity. Specifically, the utility model discloses in, W is 5mm, and L is 16mm, and h is 3.2mm, compares W among the prior art and is 8.6mm to effectively reduced the size of choking tooth 123, made protruding structure 111 can be expanded outward, with the volume in increase culinary art chamber.

Further, as shown in fig. 4 to 6, the distance between third plate 1233 and second connecting plate 122 is smaller than the height of second connecting plate 122. Specifically, the third plate 1233 and the second connecting plate 122 are arranged in parallel at an interval, a distance between the two is a dimension of the second plate 1232 in the width direction of the protruding structure 111, one end of the third plate 1233 away from the second plate 1232 extends in a direction close to the first connecting plate 121 and is arranged at an interval, one end of the second connecting plate 122 away from the first connecting plate 121 extends in a direction close to the second plate 1232 and is arranged at an interval, and by setting the distance between the third plate 1233 and the second connecting plate 122 to be smaller than the height of the second connecting plate 122, while the effect of throttling microwaves is ensured, the dimension of the second plate 1232 in the width direction of the protruding structure 111 (as shown in fig. 4, W in fig. 4) can be effectively reduced, so that the size of the protruding structure 111 can be expanded to increase the volume of the cooking cavity.

It should be noted that, in the present invention, as shown in fig. 4, 5 and 6, in fig. 4, h represents a distance between the third plate 1233 and the first connecting plate 121, and in fig. 6, h2 represents a height of the second connecting plate 122, h1 represents a height of the third plate 1233, and a distance between the third plate 1233 and the second connecting plate 122 is smaller than a height of the second connecting plate 122, that is, h < h1, so that a dimension of the second plate 1232 in a width direction of the protrusion structure 111 (as shown in fig. 4, W in fig. 4) can be effectively reduced while an effect of choke of microwaves is ensured, thereby effectively reducing a dimension of the choke tooth 123, so that the protrusion structure 111 can be expanded to increase a volume of the cooking cavity. More specifically, h is 3.2mm, h1 is 10mm, and h2 is 5 mm.

Further, as shown in fig. 2, a plurality of choke teeth 123 are provided at equal intervals on the second connecting plate 122. Specifically, each choke tooth 123 is respectively connected to the second connecting plate 122, the second connecting plate 122 is provided with a circle along the circumference of the protruding structure 111, when the plurality of choke teeth 123 are arranged on the second connecting plate 122 at equal intervals, each choke tooth 123 forms a circle of choke structure in the circumference of the protruding structure 111, when the door assembly 100 is used for a microwave cooking appliance, the uniformity of microwave choke can be realized, the condition of microwave leakage is further avoided, and the use safety of users is ensured.

In other embodiments, each choke tooth 123 may be arranged according to a specific microwave field structure, so as to ensure a shielding effect on microwaves and avoid microwave leakage.

Further, as shown in fig. 5 and 6, the length of the choke teeth 123 in the circumferential direction of the convex structure 111 is equal to the distance between two adjacent choke teeth 123. Specifically, in the circumferential direction of the protruding structure 111, the length of the choke teeth 123 is equal to the distance between two adjacent choke teeth 123, so that the shielding effect of the door frame 10 on the microwave is further improved, and the use safety of the user is further improved.

It should be noted that, in the present invention, as shown in fig. 5 and 6, in fig. 6, a represents a distance between two adjacent choke teeth 123, and b represents a length of the choke teeth 123 in a circumferential direction of the protruding structure 111, wherein a ═ b ═ 9mm, thereby effectively reducing a size of the choke teeth 123, so that the protruding structure 111 can be expanded to increase a volume of the cooking cavity.

Further, as shown in fig. 5 and 6, the choke portion 12 is provided with a reinforcing hole 124, and the reinforcing hole 124 is provided at the connection of the first connection plate 121 and the second connection plate 122. Specifically, because first connecting plate 121 and second connecting plate 122 bend relatively, through set up reinforcing hole 124 at the hookup location of both, thereby improved the intensity of both hookup locations, further guarantee the shielding effect to the microwave for the security of user's use has obtained further improvement.

Further, the number of the reinforcement holes 124 is plural, and the plural reinforcement holes 124 are provided at intervals along the extending direction of the joint. Specifically, through setting up a plurality of enhancement holes 124, further improved the joint strength between first connecting plate 121 and the second connecting plate 122 for the bulk strength of door frame 10 has obtained the improvement, and then has guaranteed the shielding effect to the microwave, makes the safety of user's use obtain further promotion.

Further, as shown in fig. 1, the door assembly 100 further includes a housing 30 and a door seal 40, wherein a receiving groove is formed in the housing 30, the door frame 10 is disposed in the receiving groove, and the door seal 40 is detachably engaged with an opening of the receiving groove to close the opening. Specifically, door frame 10 is frame construction, and its middle position is hollow structure, and the shape of shell 30 is corresponding with the shape of door frame 10 looks adaptation and frame, and the storage tank is the ring channel, and the shape of door seal 40 and the shape looks adaptation of storage tank, during the assembly, set up door frame 10 in the storage tank, again with the opening cooperation of door seal 40 with the storage tank to encapsulate door frame 10 in shell 30, make the outward appearance of door subassembly 100 pleasing to the eye, the popularization and the popularization of the product of being convenient for.

In addition, the door glass 20 is arranged on the casing 30, so that a user can watch the tide in the cooking cavity through the casing 30, the middle frame and the door seal 40 of the door glass 20, and the use experience of the user is further improved.

In addition, the sealing ring 50 is disposed between the door seal 40 and the housing 30, so that the sealing performance of the interior of the door assembly 100 is improved, and the exterior environment is prevented from having a bad influence on the interior of the door assembly 100.

As shown in fig. 1 to 6, the present invention also provides a microwave cooking appliance, which comprises a box body and a door assembly 100 according to the above, wherein the box body comprises a front plate and a cooking cavity, the cooking cavity is communicated with the outside through the front plate, and the door assembly 100 is pivotally connected on the front plate and used for opening or closing the cooking cavity.

Specifically, the frame body portion 11 of the door frame 10 is provided with a protruding structure 111, the protruding structure 111 is located at the edge of the frame body portion 11 along the frame body, and the protruding structure 111 extends for one turn of the frame body portion 11, the choke groove 12 is connected to the edge of the protruding structure 111 and extends for one turn of the protruding structure 111, the choke groove 13 is formed between the protruding structure 111 and the choke portion 12, and the choke groove 13 is provided for one turn around the protruding structure 111.

The door assembly 100 is pivotally connected to a cabinet of the microwave cooking appliance, the opening or closing of a cooking cavity in the cabinet is realized by the opening and closing of the door assembly 100, when the door assembly 100 is in a closed state, the protruding structure 111 of the door frame 10 abuts against a front plate of the cabinet and is located outside an opening of the cooking cavity (the opening of the cooking cavity is located on the front plate), the choke portion 12 is located outside the protruding structure 111, the choke portion 12 is arranged toward an edge close to the door frame 10 toward an end surface of the protruding structure 111, on the premise that the width of the choke groove 13 is kept unchanged, the protruding structure 111 correspondingly expands outward toward the edge close to the door frame 10, so that the inner space of the protruding structure 111 is increased, because the inner space of the protruding structure 111 corresponds to the opening size of the cooking cavity, the opening size of the cooking cavity is increased, and the volume of the cooking cavity is increased on the premise that the appearance size of the microwave cooking appliance is unchanged, the use experience of the user is effectively improved.

The utility model discloses in, above-mentioned microwave cooking utensil is microwave oven etc. and prior art is referred to the structure of this microwave cooking utensil's other parts, and this application is no longer repeated here.

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. The utility model provides a door assembly, its characterized in that, door assembly includes the door frame, the door frame is used for pivotal connection on microwave cooking utensil's box, the door frame includes frame body portion and choke portion, be equipped with on the frame body portion and be used for supporting the protruding structure of box, protruding structure is located the edge of frame body portion just follows the edge of frame body portion extends, choke portion connect in the edge of protruding structure just follows the edge of protruding structure extends, choke portion with be formed with the choke groove between the protruding structure, keeping under the fixed state of width in choke groove, choke portion orientation the terminal surface of protruding structure is close to the edge setting of door frame, so that protruding structure is in expand outward on the frame body portion.

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

one end of the first connecting plate is connected with the edge of the protruding structure;

one end of the second connecting plate is vertically connected to the other end of the first connecting plate, and the second connecting plate and the protruding structure are located on the same side of the first connecting plate;

and the choke teeth are respectively connected to the other end of the second connecting plate and are arranged at intervals along the circumferential direction of the protruding structure.

3. The door assembly as claimed in claim 2, wherein the choke tooth includes:

one end of the first plate is connected to the second connecting plate, and the first plate and the second connecting plate are located in the same plane;

one end of the second plate is vertically connected to the other end of the first plate, and the second plate and the connecting plate are positioned on the same side of the second connecting plate;

one end of the third plate is connected to the other end of the second plate, the third plate and the first plate are located on the same side of the second plate, the other end of the third plate and the first connecting plate are arranged at intervals, and the choke groove is formed between the third plate and the protruding structure.

4. The door assembly as claimed in claim 3, wherein a distance between the third plate and the second connecting plate is less than a height of the second connecting plate.

5. The door assembly as in claim 2, wherein the plurality of choke teeth are equally spaced on the second web.

6. The door assembly as claimed in claim 5, wherein the choke teeth have a length in a circumferential direction of the projection structure equal to a distance spaced between adjacent ones of the choke teeth.

7. The door assembly as claimed in claim 2, wherein the choke portion is provided with a reinforcement hole provided at a junction of the first connecting plate and the second connecting plate.

8. The door assembly as claimed in claim 7, wherein the reinforcement hole is plural in number, and the plural reinforcement holes are provided at intervals along an extending direction of the joint.

9. The door assembly as claimed in any one of claims 1 to 8, further comprising:

the door frame comprises a shell, wherein a containing groove is formed in the shell, and the door frame is arranged in the containing groove;

the door seal is matched with the opening of the containing groove in a detachable mode so as to seal the opening.

10. A microwave cooking appliance, characterized in that the microwave cooking appliance comprises:

the cooking box comprises a front plate and a cooking cavity, and the cooking cavity is communicated with the outside through the front plate;

the door assembly as defined in any one of claims 1 to 9, pivotally connected to the front plate for opening or closing the cooking chamber.

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