Door structure and microwave oven

Abstract

The utility model provides a door structure which comprises a door body and a door frame, the door frame forms an outer layer of the door structure, the door body is arranged on the inner side of the door frame, a door and window plate is arranged between the door body and the door frame in the axis direction, and a shielding plate is arranged between the circumferential outer side of the door body and the circumferential inner side of the door frame. The shielding plate is used for sealing a gap between the door body and the door frame, waterproof ribs are arranged on the periphery of the shielding plate, and the waterproof ribs extend in the direction away from the cooking cavity. The shielding plate is arranged between the circumferential outer side of the door body and the circumferential inner side of the door frame, the gap between the door body and the door frame is sealed, and the waterproof rib structure is arranged on the shielding plate, so that when the shielding plate is installed on the door body, the shielding plate and the door body are more tightly attached and sealed, and water vapor or food residues are prevented from entering the position between the door body and the door frame to pollute door and window plates.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of microwave oven, specifically, relate to a door structure and microwave oven. BACKGROUND

[0002] Most of the existing microwave ovens adopt the glass plate on the door body to watch the heating state of the food in the oven body, and the handle is externally arranged on the door body. The glass plate is generally located at the middle position of the door structure, and the periphery of the glass plate is fixed through other structures of the door body, so the microwave oven door body needs to be set as a multi-layer structure to effectively hold and fix the door glass. However, during the operation of the microwave oven, a large amount of water vapor is generated in the cooking cavity, which is easy to condense on the glass plate. When the sealing between the periphery of the glass plate and the door frame body is not tight, the water vapor is easy to enter the inside of the door structure, affecting the transparency of the glass plate, thereby blocking the line of sight, affecting the observation of the user on the state of the food in the cooking cavity, and long time is easy to breed bacteria. Especially for small volume microwave ovens, the volume of the internal cooking cavity is small, and the water vapor content in the cooking cavity is high, which is easy to enter the inside of the door body. SUMMARY

[0003] Therefore, the utility model aims at providing a door structure and microwave oven to solve the problem of poor sealing of the door structure, easy entry of water vapor into the inside of the door body and affecting the line of sight.

[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0005] A door structure, comprising a door body and a door frame, the door frame is formed as an outer layer of the door structure, the door body is arranged on the inner side of the door frame, a door window plate is arranged between the door body and the door frame along the axial direction, a shutter is arranged between the circumferential outer side of the door body and the circumferential inner side of the door frame, the shutter is used for sealing the gap between the door body and the door frame, a waterproof rib is arranged around the shutter, and the waterproof rib extends away from the cooking cavity.

[0006] Further, the door frame is arranged as a frame structure, the door frame comprises a circumferential side plate and a support plate, the circumferential side plate and the support plate form an L-shaped structure, the circumferential side plate is arranged as the circumferential outer side of the door frame, the support plate is connected to the inner side of the circumferential side plate and extends to the central axis direction of the door frame, and the support plate is used for supporting and fixing the door window plate, a shutter is arranged between the circumferential side plate and the door body, and the main body of the shutter is parallel to the support plate.

[0007] Further, the cover plate comprises a frame body, a waterproof rib and an outward flange, the frame body forms a main body of the cover plate, the waterproof rib and the outward flange are arranged on the inner side and the outer side of the frame body respectively, the waterproof rib is arranged on the inner side, the outward flange is arranged on the outer side, and the waterproof rib and the outward flange extend away from the cooking cavity.

[0008] Further, the thickness of the waterproof rib in the circumferential direction is 0.2-0.5 mm.

[0009] Further, the door body comprises a first side and a second side arranged in parallel, the first side is arranged away from the cooking cavity, and the second side is arranged close to the cooking cavity.

[0010] Further, a first folded edge is arranged on the outer side of the first side in the circumferential direction, the first folded edge is perpendicular to the first side, the first folded edge is arranged to extend towards the cooking cavity, a second folded edge is arranged on the inner side of the first side in the circumferential direction, and the second folded edge is also arranged to extend towards the cooking cavity.

[0011] Further, the second folded edge is connected to the second side on the side close to the cooking cavity, the second folded edge is connected to the first side on the side away from the cooking cavity, a Z-shaped structure is formed between the first side, the second side and the second folded edge, a gap is formed between the outer side of the second folded edge and the first folded edge, and the cover plate is arranged in the gap.

[0012] Further, the door body further comprises a third folded edge, the third folded edge is arranged on the inner side of the door body in the circumferential direction, the third folded edge is connected to the inner side of the second side and extends away from the cooking cavity, the third folded edge is at least partially parallel to the supporting plate of the door frame and a gap is formed between the third folded edge and the supporting plate, and a flat door window plate is arranged in the gap.

[0013] Further, the frame body of the cover plate is parallel to the first side, the frame body is arranged opposite to the first side, the outward flange of the cover plate is abutted to the first folded edge, and the waterproof rib of the cover plate is fitted to the outer side of the second folded edge.

[0014] Compared with the prior art, the door structure has the following advantages:

[0015] The cover plate is arranged between the outer side of the door body and the inner side of the door frame, the gap between the door body and the door frame is sealed, the waterproof rib structure is arranged on the cover plate, the cover plate is more closely sealed with the door body when the cover plate is arranged on the door body, and water vapor or food residues are prevented from entering the gap between the door body and the door frame to contaminate the door window plate.

[0016] The utility model also provides a microwave oven, including above-mentioned door structure.

[0017] The microwave oven has the same advantages as the door structure described above relative to the prior art, and will not be repeated here. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The door structure schematic view is described in the utility model embodiment.

[0019] Figure 2 The door structure sectional view is described in the utility model embodiment.

[0020] Figure 2a For Figure 2 The local enlarged view of the middle frame selected part.

[0021] Figure 3 The door structure explosion view is described in the utility model embodiment.

[0022] Figure 4 The shutter structure schematic view is described in the utility model embodiment.

[0023] Figure 5 The door body structure schematic view is described in the utility model embodiment.

[0024] Figure 6 The door frame structure schematic view is described in the utility model embodiment.

[0025] BRIEF DESCRIPTION OF DRAWINGS

[0026] 1-door body, 11-first side, 12-second side, 13-first flange, 14-second flange, 15-third flange, 16-knock hole, 2-door frame, 21-encircling side plate, 22-supporting plate, 3-door window board, 4-door hook, 5-shutter, 51-frame body, 52-waterproof rib, 53-outward flange, 54-knocking hook, 6-door sticker, 7-hinge DETAILED DESCRIPTION

[0027] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiment of the utility model is explained in detail below with reference to the drawings. In addition, the following specific embodiment is briefly described in the direction: the term "on" refers to the support of the element directly or indirectly.

[0028] It should be noted that in the description of the present application, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection or can communicate with each other; it can be directly connected, or indirectly connected through intermediate medium, it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] As shown in Figures 1-6 A door structure for cooking equipment such as microwave oven or oven, comprising a door body 1 and a door frame 2, a door window plate 3 is arranged between the door body 1 and the door frame 2, the door window plate 3 is made of transparent material, a shutter 5 is arranged between the circumferential outer side of the door body 1 and the circumferential inner side of the door frame 2, a waterproof rib 52 is arranged around the shutter 5, the waterproof rib 52 extends towards the inside of the door structure (i.e. away from the cooking cavity), the shutter 5 is used to seal the gap between the door body 1 and the door frame 2, so that when the shutter is installed on the door body 1, the shutter is more tightly sealed with the door body, avoiding water vapor or food residue from entering between the door body 1 and the door frame 2 to contaminate the door window plate.

[0030] Wherein, the door frame 2 is formed as the outermost layer of the door structure, the door body 1 is arranged inside the door frame 2, the door frame 2 is arranged as a frame structure, the door frame 2 comprises a circumferential side plate 21 and a support plate 22, the circumferential side plate 21 and the support plate 22 form an L-shaped structure, the circumferential side plate 21 is arranged as the circumferential outer side of the door frame 2, the support plate 22 is connected to the inner side of the circumferential side plate 21 and extends towards the center axis of the door frame 2, the support plate 22 is used to support and fix the door window plate 3, the shutter 5 is arranged between the circumferential side plate 21 and the door body 1, the main body of the shutter 5 is parallel to the support plate 22 of the door frame 2, so as to avoid water vapor or food residue from entering between the door body 1 and the door frame 2.

[0031] Further, the shutter 5 comprises a frame body 51, a waterproof rib 52 and an outward flange 53, the frame body 51 forms the main body of the shutter 5, the frame body 51 is parallel to the support plate 22 of the door frame 2, the waterproof rib 52 and the outward flange 53 are arranged on the circumferential inner and outer sides of the frame body 51 respectively, wherein the waterproof rib 52 is arranged on the inner side and the outward flange 53 is arranged on the outer side, the waterproof rib 52 and the outward flange 53 both extend away from the cooking cavity, the outward flange 53 is tightly attached to the inner side of the circumferential side plate 21 of the door frame 2, playing a role of sealing tightly.

[0032] The door body 1 comprises a first side face 11 and a second side face 12 which are arranged in parallel, wherein the first side face 11 is arranged at a side away from the cooking cavity, and the second side face 12 is arranged at a side close to the cooking cavity; a first folding edge 13 is further arranged at a circumferential outer side of the first side face 11, and the first folding edge 13 is perpendicular to the first side face 11 and is arranged in a structure extending towards the cooking cavity; a second folding edge 14 is arranged at a circumferential inner side of the first side face 11, and the second folding edge 14 is also arranged in a structure extending towards the cooking cavity, and specifically, the second folding edge 14 is parallel to the circumferential side plate 21; that is, the second folding edge 14 is connected to the second side face 12 at a side close to the cooking cavity, and the second folding edge 14 is connected to the first side face 11 at a side away from the cooking cavity, and the first side face 11, the second side face 12 and the second folding edge 14 form a Z-shaped structure; and a gap is formed between the circumferential outer side of the second folding edge 14 of the door body 1 and the first folding edge 13, and the shutter 5 is arranged in the gap.

[0033] Specifically, the frame 51 of the shutter 5 is parallel to the supporting plate 22 and the first side face 11, and the frame 51 is arranged opposite to the supporting plate 22 and the first side face 11; the outward turning edge 53 of the shutter 5 is abutted and arranged with the first folding edge 13; and the waterproof rib 52 of the shutter 5 is attached to the circumferential outer side of the second folding edge 14, so as to seal the gap between the door body 1 and the first folding edge 13; wherein the plane where the frame 51 is located is basically flush with or slightly staggered from the plane where the second side face 12 is located, so as to avoid forming a sanitary dead zone between the two.

[0034] Preferably, the thickness of the waterproof rib 52 in the circumferential direction is 0.2-0.5 mm, so as to ensure that the sealing between the shutter 5 and the second folding edge 14 is tight.

[0035] As a part of the embodiment of the utility model, in order to ensure the connection stability of the door structure, a clamping hole 17 is further arranged at a circumferential outer side of the first folding edge 13; correspondingly, a clamping hook 54 is arranged at a side of the shutter 5 away from the cooking cavity, and the clamping hook 54 is arranged on the frame 51 and extends away from the cooking cavity; the clamping hook 54 cooperates with the clamping hole 17, so as to realize the fixed connection of the shutter 5 and the door body 1. Preferably, a plurality of clamping holes 17 are intermittently arranged along the circumferential outer side of the door body 1, and a plurality of clamping hooks 54 are also arranged, so as to ensure the connection stability of the shutter 5.

[0036] Further, the door body 1 further comprises a third fold edge 15, the third fold edge 15 is arranged on the circumferential inner side of the door body 1, the third fold edge 15 is connected with the circumferential inner side of the second side face 12, and the third fold edge 15 extends to the inner side of the second side face 12 and away from the cooking cavity, so that the third fold edge 15 is at least partially parallel to the support plate 22 and a gap is formed between the third fold edge 15 and the support plate 22, the gap is used for mounting the clamped flat door and window plate 3, so as to avoid the shaking of the door and window plate 3. Preferably, the third fold edge 15 around the door body 1 can extend to the direction of the central axis a of the door body 1, so that the part close to the center of the door body 1 forms a closed flat structure, the support area of the door and window plate 3 is increased, and the connection stability is further increased.

[0037] The circumferential direction of the embodiment is parallel to the plane where the door structure is arranged, that is, perpendicular to the plane where the axis a is arranged, the circumferential inner side is close to the axis a, and the circumferential outer side is away from the axis a.

[0038] In the embodiment, the door structure further comprises a door sticker 6, the door sticker 6 is arranged on the innermost side facing the cooking cavity, the door sticker 6 and the door and window plate 3 are both arranged in a flat structure, the area of the door sticker 6 is smaller than that of the door and window plate 3, and the door sticker 6 is attached to the inner side of the door and window plate 3; or when the part close to the center of the door body 1 forms a closed flat structure, the door sticker 6 is attached to the side of the door body 1 facing the cooking cavity. The arrangement of the door sticker 6 protects the door and window plate 3 and the door body 1, and prevents the water vapor and food residues in the cooking cavity from adhering to the door structure when the food is heated.

[0039] In the embodiment, the door structure further comprises a door hinge 7 and a door hook 4, wherein the door hinge 7 and the door hook 4 are both connected to the door body 1, and preferably connected to the first fold edge 13 of the door body 1. Correspondingly, a corresponding gap or through hole is arranged on the shutter 5, so that the door hinge 7 or the door hook 4 extends and protrudes in the direction close to the inside of the cooking cavity.

[0040] As part of the embodiment, a microwave oven is also provided, which comprises the door structure described above, and the door structure is arranged on the front side of the microwave oven and used for sealing or opening the heating cavity of the microwave oven.

[0041] Although the utility model discloses as above, the utility model is not limited to this. Any person skilled in the art, without departing from the spirit and scope of the utility model, can make various changes and modifications, therefore the protection scope of the utility model should be the range defined by the claims.

Claims

1. A door structure, characterized in that, Includes a door body (1) and a door frame (2), the door frame (2) forming the outer layer of the door structure, the door body (1) being disposed on the inner side of the door frame (2), a door and window panel (3) being disposed between the door body (1) and the door frame (2) along the axial direction, a cover plate (5) being disposed between the outer circumferential side of the door body (1) and the inner circumferential side of the door frame (2), the cover plate (5) being used to seal the gap between the door body (1) and the door frame (2), and waterproof ribs (52) being disposed around the cover plate (5), the waterproof ribs (52) extending away from the cooking cavity.

2. The door structure according to claim 1, characterized in that, The door frame (2) is configured as a frame structure. The door frame (2) includes a peripheral side plate (21) and a support plate (22). The peripheral side plate (21) and the support plate (22) form an L-shaped structure. The peripheral side plate (21) is configured as the outer periphery of the door frame (2). The support plate (22) is connected to the inner side of the peripheral side plate (21) and extends towards the central axis of the door frame (2). The support plate (22) is used to support and fix the door and window panels (3). A cover plate (5) is provided between the peripheral side plate (21) and the door body (1). The main body of the cover plate (5) is parallel to the support plate (22).

3. The door structure according to claim 1, characterized in that, The cover (5) includes a frame (51), a waterproof rib (52), and an outward flange (53). The frame (51) forms the main body of the cover (5). A waterproof rib (52) and an outward flange (53) are respectively provided on the inner and outer sides of the frame (51). The waterproof rib (52) is provided on the inner side, and the outward flange (53) is provided on the outer side. Both the waterproof rib (52) and the outward flange (53) extend away from the cooking cavity.

4. The door structure according to claim 3, characterized in that, The thickness of the waterproof reinforcement (52) in the circumferential direction is 0.2~0.5mm.

5. The door structure according to claim 1, characterized in that, The door (1) includes a first side (11) and a second side (12) arranged in parallel, wherein the first side (11) is located on the side away from the cooking cavity, and the second side (12) is located on the side close to the cooking cavity.

6. The door structure according to claim 5, characterized in that, A first folded edge (13) is provided on the outer circumferential side of the first side (11). The first folded edge (13) is perpendicular to the first side (11) and is configured to extend in the direction of approaching the cooking cavity. A second folded edge (14) is provided on the inner circumferential side of the first side (11). The second folded edge (14) is also configured to extend in the direction of approaching the cooking cavity.

7. The door structure according to claim 6, characterized in that, The second folded edge (14) is connected to the second side surface (12) on the side closer to the cooking cavity, and the second folded edge (14) is connected to the first side surface (11) on the side away from the cooking cavity. A Z-shaped structure is formed between the first side surface (11), the second side surface (12), and the second folded edge (14). A gap is formed between the second folded edge (14) and the first folded edge (13) on the outer circumferential side, and the cover plate (5) is installed in the gap.

8. The door structure according to claim 6, characterized in that, The door body (1) also includes a third folded edge (15), which is disposed on the inner side of the door body (1) in the circumferential direction. The third folded edge (15) is connected to the inner side of the second side (12) in the circumferential direction, and the third folded edge (15) extends towards the inner side of the second side (12) and away from the cooking cavity. The third folded edge (15) is at least partially parallel to the support plate (22) of the door frame (2) and a slit is formed between them. A flat door and window panel (3) is installed in the slit.

9. The door structure according to claim 6, characterized in that, The frame (51) of the cover plate (5) is parallel to the first side (11), and the frame (51) is opposite to the first side (11). The outer flange (53) of the cover plate (5) abuts against the first folded edge (13), and the waterproof rib (52) of the cover plate (5) is attached to the outer circumferential side of the second folded edge (14).

10. A microwave oven, characterized in that, Includes the door structure described in any one of claims 1 to 9.

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