WO2022127405A1

WO2022127405A1 - Door body and oven

Info

Publication number: WO2022127405A1
Application number: PCT/CN2021/127875
Authority: WO
Inventors: 张宪发; 刘文涛; 王丕昱; 王友为; 王瑞; 王倩倩
Original assignee: 青岛海尔智慧厨房电器有限公司; 海尔智家股份有限公司
Priority date: 2020-12-16
Filing date: 2021-11-01
Publication date: 2022-06-23
Also published as: CN214678668U

Abstract

A door body and an oven. The door body comprises an inner frame (1); an inner-layer glass fixing frame (3); a thermal insulation cotton press plate (4); a middle-layer glass fixing frame (5), the middle-layer glass fixing frame (5) being connected to the thermal insulation cotton press plate (4); an outer-layer glass sheet (63); a door panel (2), the door panel (2) and the outer-layer glass sheet (63) being connected to the inner frame (1); at least two inner-layer glass sheets (61), the at least two inner-layer glass sheets (61) being provided on the inner-layer glass fixing frame (3); a thermal insulation cotton (7) provided on the periphery of the inner-layer glass fixing frame (3), the thermal insulation cotton press plate (4) being connected to the inner frame (1) and configured to fix the inner-layer glass fixing frame (3) and the thermal insulation cotton (7); and a middle-layer glass sheet (62) provided on the middle-layer glass fixing frame (5). The inner frame (1), the inner-layer glass fixing frame (3), the thermal insulation cotton press plate (4), the middle-layer glass fixing frame (5), the outer-layer glass sheet (63), and the door panel (2) are sequentially arranged.

Description

Door and oven

This application claims the priority of the Chinese patent application with an application date of December 16, 2020 and an application number of 202023031295.9, the entire contents of which are incorporated herein by reference.

technical field

The present application relates to the technical field of ovens, for example, to a door body and an oven.

Background technique

An oven is a sealed appliance used to bake food or dry products, and is divided into household appliances and industrial ovens. Home ovens can be used to process some foods, such as bread, egg tarts, etc. The door of the oven is a touchable part of the oven. During the use of the oven, the user needs to open or close the door. Since the temperature of the oven liner is generally high, the door body of the oven plays a role in reducing the heat loss of the inner liner on the one hand, and on the other hand, it prevents the user from being scalded when touching the door body, but the heat insulation of the door body of the oven in the related art The effect is limited, the heat is lost more, and it is easy to burn the user, and the user experience is poor.

SUMMARY OF THE INVENTION

The application provides a door body and an oven, which can solve the problems in the related art that the door body of the oven has limited thermal insulation effect, loses more heat, easily burns users, and has poor user experience.

A door body, comprising an inner frame; an inner glass fixing frame; a thermal insulation cotton pressing plate; a middle glass fixing frame, the middle glass fixing frame is connected to the thermal insulation cotton pressing plate; an outer glass plate; a door panel, the door panel and the outer glass plate is connected to the inner frame; at least two inner glass plates, the at least two inner glass plates are arranged on the inner glass fixing frame; arranged on the inner glass to fix The insulation cotton on the outer periphery of the frame, the insulation cotton pressing plate is connected to the inner frame, and is arranged to fix the inner glass fixing frame and the insulation cotton; and the middle glass plate arranged on the middle glass fixing frame; Wherein, the frame, the inner glass fixing frame, the thermal insulation cotton pressing plate, the middle glass fixing frame, the outer glass plate and the door panel are arranged in sequence.

An embodiment provides an oven, including the above door body.

Description of drawings

Fig. 1 is the dismantling schematic diagram of the door body provided by the application;

Fig. 2 is the partial enlarged schematic diagram of A place in Fig. 1;

Fig. 3 is the structural representation of the inner glass fixing frame provided by the present application;

Fig. 4 is the partial enlarged schematic diagram of B place in Fig. 3;

5 is a schematic cross-sectional view of a door body provided by the application;

FIG. 6 is a partial enlarged schematic view of the position C in FIG. 5 .

In the picture:

1. Inner frame; 11. Inner bottom plate; 12. Coaming plate; 13. Upper top plate; 131. Third limit hemming; 14. Lower bottom plate;

2. Door panel; 21. Handle;

3. The inner glass fixing frame; 31. The first fixing frame; 301, The first card slot; 311, The main body; 312, The bending edge;

4. Thermal insulation cotton pressing plate; 41. The second limit hemming;

5. Middle glass fixing frame; 51. Second fixing frame; 52. Elastic pad;

61, inner glass plate; 62, middle glass plate; 63, outer glass plate;

7. Insulation cotton;

8. Hinges;

9. Connecting plate; 91. Connecting body; 92. Fixing ear; 93. Clamping edge;

100. The first spacer cavity; 200, the second spacer cavity; 300, the third spacer cavity.

Detailed ways

In the description of this application, unless otherwise expressly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.

In this application, unless otherwise expressly specified and defined, a first feature "on" or "under" a second feature may include direct contact between the first and second features, or may include the first and second features Not directly but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this embodiment, the terms "up", "down", "left", "right" and other azimuth or positional relationships are based on the azimuth or positional relationship shown in the accompanying drawings, which are only for the convenience of description and simplifying operations. Rather than indicating or implying that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, it should not be construed as a limitation on the application. In addition, the terms "first" and "second" are only used for distinction in description, and have no special meaning.

As shown in FIG. 1 to FIG. 6 , this embodiment provides a door body, including an inner frame 1 , an inner glass fixing frame 3 , a thermal insulation cotton pressing plate 4 , a middle glass fixing frame 5 , an outer glass plate 63 and door panel 2. Wherein, at least two inner glass plates 61 are arranged on the inner glass fixing frame 3 , and thermal insulation cotton 7 is arranged on the outer periphery of the inner glass fixing frame 3 . The thermal conductivity of the thermal insulation cotton 7 is low, which can reduce the heat conduction from the inner tank to the outside and reduce the heat loss. The thermal insulation cotton pressing plate 4 is connected to the inner frame 1 to fix the inner glass fixing frame 3 and the thermal insulation cotton 7 . The middle-layer glass fixing frame 5 is connected to the insulation cotton pressing plate 4 , and the insulation cotton pressing plate 4 is provided with a middle-layer glass plate 62 , and the door panel 2 and the outer-layer glass plate 63 are respectively connected to the inner frame 1 .

In one embodiment, by arranging at least four layers of glass plates and thermal insulation cotton 7 , the thermal insulation effect of the door body can be improved, heat dissipation can be reduced, users can be prevented from being scalded, and user experience can be improved.

In this embodiment, the inner layer glass plate 61 is a high borosilicate glass plate or a glass-ceramic plate, which has high temperature resistance performance. Or the inner glass plate 61 is a tempered glass plate coated with a low emissivity (Low emissivity, LOWE) coating. At this time, the coating coated with the LOWE coating on the inner glass plate 61 faces the liner of the oven after installation, which can The radiant heat of the gallbladder is reflected back to the inner gallbladder to improve the utilization rate of heat. In addition, the above-mentioned middle-layer glass plate 62 is a high-borosilicate glass plate or a glass-ceramic plate, which has high temperature resistance performance. Or the middle-layer glass plate 62 is a tempered glass plate coated with LOWE coating. At this time, the coating layer of the middle-layer glass plate 62 coated with LOWE coating faces the inner tank of the oven after installation, which can reflect the radiant heat of the inner tank back to the inner tank. , improve the utilization of heat.

As shown in FIG. 1 and FIG. 2 , in this embodiment, the inner frame 1 includes an inner bottom plate 11 , two surrounding plates 12 disposed opposite to the left and right sides of the inner bottom plate 11 , and an upper plate 12 disposed opposite to the upper and lower sides of the inner bottom plate 11 . The top plate 13 and the lower bottom plate 14 , the inner glass fixing frame 3 , the thermal insulation cotton pressing plate 4 and the middle glass fixing frame 5 are located in the cavity enclosed by the inner bottom plate 11 , the upper top plate 13 , the lower bottom plate 14 and the two surrounding plates 12 .

In one embodiment, the thermal insulation cotton pressing plate 4 is connected to the inner bottom plate 11 . In this embodiment, a plurality of connecting brackets 16 are provided on the inner bottom plate 11 , and the thermal insulation cotton pressing plate 4 is connected to the connecting brackets 16 . The connecting bracket 16 is penetrated through the thermal insulation cotton 7 to realize the connection between the thermal insulation cotton pressing plate 4 and the inner bottom plate 11 , and realize the fixation of the thermal insulation cotton pressing plate 4 , thereby realizing the fixing of the thermal insulation cotton 7 and the inner glass fixing frame 3 . In addition, in this embodiment, the connecting bracket 16 is welded and connected to the inner bottom plate 11, and the thermal insulation cotton pressing plate 4 is connected to the connecting bracket 16 by bolts, so that the inner glass fixing frame 3 and the thermal insulation cotton 7 can be disassembled, so as to facilitate the inner glass Replacement of plate 61 and insulation plate 7.

In one embodiment, the door body further includes a connecting plate 9, the connecting plate 9 includes a connecting body 91, the two ends of the connecting body 91 are respectively provided with fixing ears 92, and the two fixing ears 92 are respectively connected to the inner sides of the two enclosure plates 12, The connecting body 91 is also provided with a clamping edge 93, and the upper top plate 13 is provided with a third limiting edge 131, one end of the clamping edge 93 is located inside the third limiting edge 131, and abuts the upper top plate 13 or the Three limit hems 131 . In this embodiment, each fixing ear 92 and the corresponding enclosure plate 12 are connected by screws, which is convenient for installation and removal. In other embodiments, the fixing ears 92 can also be connected to the corresponding enclosure plates 12 by welding or bonding.

In one embodiment, the door panel 2 and the outer glass plate 63 are both connected to the connecting body 91 . In this embodiment, the door panel 2 , the outer glass plate 63 and the connecting body 91 are connected by screws, which facilitates the installation and disassembly of the door panel 2 , the outer glass plate 63 and the connecting body 91 . In one embodiment, in order to improve the stability of the outer glass plate 63 , a plurality of bonding brackets 15 are provided on the lower bottom plate 14 of the inner frame 1 , and the outer glass plate 63 is bonded to the bonding brackets 15 . In this embodiment, the adhesive support 15 is mounted on the lower bottom plate 14 by screws. In one embodiment, by connecting the outer glass plate 63 to the connecting body 91, the upper end of the outer glass plate 63 is fixed; by adhering the outer glass plate 63 to the bonding bracket 15, the outer glass The fixing of the lower end of the plate 63 further realizes the fixing of the outer layer glass plate 63 on the upper and lower sides of the outer layer glass plate 63 , which improves the stability of the outer layer glass plate 63 .

In order to fix the middle-layer glass plate 62 , the middle-layer glass fixing frame 5 includes at least two second fixing frames 51 , wherein the two second fixing frames 51 are arranged opposite to each other. The end of the middle glass plate 62 is provided with an elastic pad 52 . By providing the elastic pad 52 , the installation stability of the middle-layer glass plate 62 can be improved, and the loosening of the middle-layer glass plate 62 can be prevented. As shown in FIG. 1 , FIG. 3 and FIG. 4 , in this embodiment, the middle glass fixing frame 5 includes two second fixing frames 51 , and the two second fixing frames 51 are respectively located on the left and right sides of the middle glass plate 62 . Of course, in other embodiments, the two second fixing frames 51 may also be located on the upper and lower sides of the middle glass plate 62 respectively, or there are three or four second fixing frames 51 .

Referring to FIG. 4 , in this embodiment, a first spacer cavity 100 is formed between two adjacent inner glass plates 61 . The arrangement of the first compartment 100 further improves the thermal insulation effect of the door body. In addition, a second spacer cavity 200 is formed between the middle layer glass plate 62 and the adjacent inner layer glass plate 61 , and a third spacer cavity 300 is formed between the outer layer glass plate 63 and the middle layer glass plate 62 . The thermal insulation effect of the door body is further improved by the arrangement of the second compartment 200 and the third compartment 300 .

In one embodiment, the inner layer glass fixing frame 3 includes at least two first fixing frames 31 , wherein the two first fixing frames 31 are arranged opposite to each other, and at least two first fixing frames 31 are provided on the first fixing frame 31 that can clamp the inner layer glass. The first slot 301 at the end of the board 61 . As shown in FIG. 6 , both sides of the first fixing frame 31 have first limit folds 313 , and the insulation cotton pressing plate 4 and the inner frame 1 respectively have second limit folds 41 , and each second limit fold 41 Press against the adjacent inner glass plate 61 and the first limit folding edge 313 . In this embodiment, through holes are formed on the thermal insulation cotton pressing plate 4 and the inner bottom plate 11 of the inner frame 1 , and the edges of the through holes are bent to form the second limit hem 41 .

As shown in FIG. 4 to FIG. 6 , in this embodiment, the inner glass fixing frame 3 includes four first fixing frames 31 , and the four first fixing frames 31 are connected two by two, and each first fixing frame 31 There are two first card slots 301 on the top, and correspondingly, the inner glass plate 61 is provided with two. In one embodiment, the first fixing frame 31 includes a main body 311 . Bending edges 312 are connected to both sides of the main body 311 , and a first clamping slot 301 is formed between each bending edge 312 and the main body 311 . A first limiting edge 313 is connected to the edge 312 . The installation and fixation of the inner layer glass plate 61 is realized by the provision of the first card slot 301 , and the fixing of the inner layer glass fixing frame 3 is realized through the cooperation of the first limit folded edge 313 and the second limit folded edge 41 . fixed.

As shown in FIG. 6 , in this embodiment, the body 311 has a U-shaped structure, the bending edge 312 is an L-shaped structure, and the first limiting edge 313 is an arc-shaped structure. In order to reduce the number of components and the difficulty of assembly, the first fixing frame 31 is preferably integrally formed. Of course, in other embodiments, the body 311 , the bending edge 312 and the first limiting edge 313 constitute the first fixing frame 31 . It can also be set separately.

1 again, the door further includes a hinge 8 mounted on the inner frame 1, and the hinge 8 is configured to connect to the cabinet of the oven, so that the door can rotate relative to the cabinet to open or close the inner cavity of the inner pot. In one embodiment, two hinges 8 are provided, and the two hinges 8 are located in the cavity and located on the left and right sides of the inner glass fixing frame 3 respectively.

As shown in FIG. 1 , the door body further includes a handle 21 , and the handle 21 is arranged on the door panel 2 . In this embodiment, the screws pass through the handle 21 , the door panel 2 , and the outer glass plate 63 and are connected to the connecting plate 9 , so as to realize the fixation of the handle 21 , the door panel 2 and the outer glass plate 63 . Of course, in other embodiments, the handle 21 can also only be connected to the door panel 2 .

To sum up, the door body provided in this embodiment includes an inner frame 1 , an inner glass fixing frame 3 , a thermal insulation cotton pressing plate 4 , a middle glass fixing frame 5 , an outer glass plate 63 and a door panel 2 , and the inner glass The fixing frame 3 is provided with at least two inner glass plates 61 , the outer periphery of the inner glass fixing frame 3 is provided with insulation cotton 7 , and the insulation cotton pressing plate 4 is connected to the inner frame 1 to fix the inner glass fixing frame 3 and the insulation cotton 7 . , the middle-layer glass fixing frame 5 is connected to the insulation cotton pressing plate 4 , and the insulation cotton pressing plate 4 is provided with a middle-layer glass plate 62 , and the door panel 2 and the outer-layer glass plate 63 are connected to the inner frame 1 . By arranging at least four layers of glass plates and thermal insulation cotton 7, compared with the related art, the thermal insulation effect of the door body can be improved, the heat loss can be reduced, the user can be prevented from being scalded, and the user experience can be improved.

This embodiment also provides an oven, which includes the above door body.

Claims

A door body, including:

inner frame(1);

inner glass fixing frame (3);

Insulation cotton pressing plate (4);

a middle-layer glass fixing frame (5), the middle-layer glass fixing frame (5) is connected to the thermal insulation cotton pressing plate (4);

outer glass plate (63);

a door panel (2), the door panel (2) and the outer glass panel (63) are connected to the inner frame (1);

at least two inner glass plates (61), the at least two inner glass plates (61) are arranged on the inner glass fixing frame (3);

The thermal insulation cotton (7) arranged on the outer periphery of the inner glass fixing frame (3), the insulation cotton pressing plate (4) is connected to the inner frame (1), and is arranged to fix the inner glass fixing frame ( 3) and said thermal insulation cotton (7); and

a middle-layer glass plate (62) arranged on the middle-layer glass fixing frame (5);

Wherein, the frame (1), the inner glass fixing frame (3), the thermal insulation cotton pressing plate (4), the middle glass fixing frame (5), the outer glass plate (63) and the door panel ( 2) Set in sequence.
The door body according to claim 1, wherein a first spacer cavity (100) is formed between two adjacent inner glass plates (61).
The door body according to claim 1, wherein the inner glass fixing frame (3) comprises at least two first fixing frames (31), wherein the two first fixing frames (31) are arranged opposite to each other, so The first fixing frame (31) is provided with at least two first clamping slots (301), the first clamping slots (301) are arranged to clamp the ends of the inner glass plate (61), the The card slots (301) are arranged in a one-to-one correspondence with the inner glass plates (61).
The door body according to claim 3, wherein the two sides of the first fixing frame (31) are respectively provided with first limit folding edges (313), the thermal insulation cotton pressing plate (4) and the inner frame ( 1) There are respectively second limit folding edges (41), and each second limit folding edge (41) is pressed against the adjacent inner glass plate (61) and the adjacent first A limit hemming (313).
The door body according to claim 4, wherein the first fixing frame (31) comprises a main body (311), and two sides of the main body (311) are respectively provided with bent edges (312), each of the The first clamping groove (301) is formed between the bending edge (312) and the body (311), and each bending edge (312) is connected to one of the first limiting edge (313) .
The door body according to claim 4, wherein the inner frame (1) and the thermal insulation cotton pressing plate (4) are respectively provided with through holes, and the edges of the through holes are bent to form the second limit fold side (41).
The door body according to claim 1, further comprising an elastic pad (52) disposed at the end of the middle-layer glass plate (62), the middle-layer glass fixing frame (5) comprising at least two second fixing frames ( 51), wherein the two second fixing brackets (51) are arranged opposite to each other, and the second fixing brackets (51) are provided with a second clamping slot for clamping the end of the middle glass plate (62).
The door body according to claim 1, wherein the inner frame (1) comprises an inner bottom plate (11), two surrounding plates (12) disposed opposite to the left and right sides of the inner bottom plate (11), and On the upper top plate (13) and the lower bottom plate (14) on the upper and lower sides of the inner bottom plate (11), the inner glass fixing frame (3), the thermal insulation cotton pressing plate (4) and the middle glass fixing frame (5) are located at The inner bottom plate (11), the upper top plate (13), the lower bottom plate (14) and the two enclosure plates (12) are enclosed in a cavity.
The door body according to claim 8, wherein the door body further comprises a connecting plate (9), the connecting plate (9) includes a connecting body (91), the outer glass plate (63) and the The door panel (2) is connected to the connecting body (91), the two ends of the connecting body (91) are respectively provided with fixing ears (92), and the two fixing ears (92) are respectively connected to the two enclosures. On the inner side of the plate (12), the connecting body (91) is also provided with a clamping edge (93), and the upper top plate (13) is provided with a third limit folding edge (131), and the clamping edge ( 93) One end is located inside the third limiting edge (131), and abuts against the upper top plate (13) or the third limiting edge (131).
An oven, comprising the door body according to any one of claims 1-9.