CN116772505A - Transparent door for household appliances, refrigerator and assembly method - Google Patents

Abstract

The application provides a transparent door of household appliances, comprising: a door panel provided with a transparent area; a frame; a hollow glass insulation structure comprising at least two layers of glass plates and a connecting frame; the connecting frame is used for connecting two adjacent glass plates and forming a hollow cavity between the two adjacent glass plates; the inner container is of a frame structure; the door panel is adhered to the frame and the outer glass plate; the inner container is used for sealing the assembly gap between the frame and the inner layer glass plate; the door panel, the frame, the hollow glass heat insulation structure and the inner container form a closed foaming cavity together, and a foaming layer is arranged in the foaming cavity. The application also provides a refrigerator and an assembling method. The transparent area of the door panel and the glass plate of the hollow glass heat insulation structure jointly form a visual structure of the household appliance door body, so that a user can check the storage condition inside the household appliance without opening the household appliance door body. The foaming layer and the hollow glass heat insulation structure have the heat insulation structure of the household appliance door body together, so that the household appliance door body has good heat insulation property and has a visual function.

Description

Transparent door for household appliances, refrigerator and assembly method

Technical Field

The application relates to the technical field of household appliances, in particular to a transparent door of a household appliance, a refrigerator and an assembly method.

Background

Household appliances are one of the indispensable devices in daily life, and among them, household appliances used as refrigeration and preservation are widely used, such as refrigerators. The current household electrical appliances door that cold-stored fresh-keeping was used is filled with the foaming layer to play the heat preservation effect, therefore the household electrical appliances door is the shading structure, and the user can't directly look over the situation of the inside storage article of household electrical appliances from the house outside, need open the door body and look over, and the user uses inconveniently.

Disclosure of Invention

In order to overcome the defects of the prior art, the application provides the household appliance transparent door, which is provided with the door panel with the transparent area and the hollow glass heat insulation structure, wherein the transparent area and the glass panel of the hollow glass heat insulation structure jointly form a visual structure of a household appliance door body, and the foaming layer and the hollow glass heat insulation structure jointly form a heat insulation structure of the household appliance door body, so that the household appliance door body has good heat insulation property and a visual function.

In order to achieve the above object, the present application is achieved by the following technical solutions.

The application provides a transparent door of household appliances, comprising:

a door panel provided with a transparent area;

the frame is used for forming a household electric door body supporting structure;

a hollow glass insulation structure comprising at least two layers of glass plates and a connecting frame; the connecting frame is used for connecting two adjacent glass plates and forming a hollow cavity between the two adjacent glass plates;

the inner container is of a frame structure;

wherein the door panel is adhered to the frame and the outer glass plate; the inner container is used for sealing the assembly gap between the frame and the inner layer glass plate;

the door panel, the frame, the hollow glass heat insulation structure and the inner container form a closed foaming cavity together, and a foaming layer is arranged in the foaming cavity.

Preferably, the frame is provided with a glue injection port for injecting foaming agent; the glue injection port is provided with a sealing cover.

Preferably, the bonding of the door panel and the outer glass sheet is arranged along the periphery of the transparent area, so that a sealed cavity is formed between the door panel and the outer glass sheet.

Preferably, the connection frame is disposed along the outer circumference of the transparent region.

Preferably, the outer side end of the inner container is clamped to the frame.

Preferably, the inner side end of the inner container is propped against one surface of the inner glass plate, which is opposite to the door panel.

Preferably, the inner container is provided with a first abutting part for abutting against the peripheral side wall of the inner glass plate.

Preferably, the insulating hollow glass structure comprises a middle layer glass sheet, which is electrically heated glass.

Preferably, the outer glass sheet is a transparent or translucent glass sheet.

The application also provides a refrigerator comprising the household appliance transparent door.

The application also provides an assembly method of the household appliance transparent door, which comprises the following steps:

s1, assembling a frame;

s2, adhering the door panel to an outer glass plate of the frame and the hollow glass heat insulation structure;

s3, installing an inner container to form a foaming cavity;

s4, injecting a foaming agent into the foaming cavity to form a foaming layer.

Compared with the prior art, the application has the beneficial effects that:

the application provides a transparent door of a household appliance, wherein a door panel is provided with a transparent area, and the transparent area and a glass plate of a hollow glass heat insulation structure jointly form a visual structure of a door body of the household appliance, so that a user can check the storage condition inside the household appliance without opening the door body of the household appliance. The foaming layer and the hollow glass heat insulation structure have the heat insulation structure of the household appliance door body together, so that the household appliance door body has good heat insulation property and has a visual function.

The foregoing description is only an overview of the present application, and is intended to provide a better understanding of the technical means of the present application, and is to be implemented in accordance with the contents of the specification, as follows, in accordance with the preferred embodiments of the present application, as hereinafter described in detail with reference to the accompanying drawings. Specific embodiments of the present application are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:

fig. 1 is a schematic diagram of an explosion structure of a home door body according to the present application;

fig. 2 is a structural sectional view of the home door body of the present application;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a schematic perspective view of the inner container of the present application;

FIG. 5 is an enlarged view of FIG. 4 at B;

FIG. 6 is a schematic view of an exploded structure of the insulating hollow glass structure of the present application;

FIG. 7 is an enlarged view of a partial structure of the side molding of the present application;

fig. 8 is a schematic perspective view of a household electrical appliance door according to the present application;

fig. 9 is a flow chart of the steps of the assembly method of the present application.

In the figure: 100. a household door body;

10. a door panel; 11. a transparent region;

20. a frame; 21. a glue injection port; 211. sealing cover; 22. an upper end cap; 23. a lower end cap; 24. a side decorative strip; 241. a hollow cavity; 242. a first sidewall; 243. a second sidewall;

30. a hollow glass insulation structure; 31. a connection frame; 32. a hollow cavity; 33. an outer glass plate; 34. an inner glass plate; 35. a middle layer glass plate;

40. an inner container; 41. an outer end; 411. a clamping groove; 42. an inner end; 421. a second abutting portion; 43. a first abutting portion; 44. reinforcing ribs; 45. a recessed portion; 451. the clamping bulge;

50. a foaming cavity.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present application will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a device for practicing the application. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc. are based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the top-to-bottom dimension, "width" corresponds to the left-to-right dimension, and "depth" corresponds to the front-to-back dimension. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms (e.g., "connected" and "attached") referring to an attachment, coupling, etc., refer to a relationship wherein these structures are directly or indirectly secured or attached to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The present application will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

Example 1

The present application provides a transparent door for home appliances, as shown in fig. 1, 2, 3 and 8, comprising a home appliance door body 100, wherein the home appliance door body 100 comprises:

a door panel 10 provided with a transparent area 11;

a frame 20 for forming a door body support structure of the household appliance;

a hollow glass insulation structure 30 comprising two glass sheets and a connection frame 31; the connecting frame 31 is used for connecting two adjacent glass plates and forming a hollow cavity 32 between the two adjacent glass plates;

a liner 40 having a frame structure;

wherein the door panel 10 is adhered to the frame 20 and the outer glass plate 33; the inner container 40 is used for sealing the assembly gap between the frame 20 and the inner glass plate 34;

the door panel 10, the frame 20, the hollow glass heat insulation structure 30 and the liner 40 together form a closed foaming cavity 50, and a foaming layer is arranged in the foaming cavity 50.

In this embodiment, the door panel 10 is provided with a transparent area 11, and the transparent area 11 and the glass plate of the hollow glass heat insulation structure 30 together form a visible structure of the home appliance door body 100, so that a user can check the storage status inside the home appliance without opening the home appliance door body 100. The hollow glass heat insulation structure 30 is provided with two layers of glass plates to form a heat insulation structure in the middle of the home appliance door body 100. The outer periphery of the hollow glass heat insulation structure 30 forms a closed foaming cavity 50 together with the door panel 10, the frame 20 and the liner 40, and a foaming layer is arranged in the foaming cavity 50 to form a heat insulation structure of the outer periphery of the hollow glass heat insulation structure 30. That is, the heat insulation structure of the home appliance door body 100 is formed by the foaming layer and the hollow glass heat insulation structure 30, so that the home appliance door body 100 has good heat insulation and visual function.

In one embodiment, the door panel 10 is a glass panel, the transparent area 11 is a transparent structure, and the periphery of the transparent area 11 is a non-transparent structure, so as to cover the assembly structure of the frame 20 and the door panel 10 and cover the foaming layer, and improve the aesthetic degree of the exterior surface of the household electrical appliance door 100.

In one embodiment, as shown in fig. 2, two adjacent glass plates are arranged in parallel, so that the heat insulation effect of each part of the hollow glass heat insulation structure 30 is uniform and the visual aesthetic degree is improved.

In one embodiment, as shown in fig. 1, the frame 20 includes an upper end cover 22, a lower end cover 23, and two side decorative strips 24; the two ends of the upper end cover 22 and the lower end cover 23 are respectively connected with the top end and the bottom end of the two side decorative strips 24 to form a frame structure.

In one embodiment, as shown in fig. 1 and 8, the frame 20 is provided with a glue injection port 21 for injecting a foaming agent; the glue injection port 21 is provided with a sealing cover 211. Specifically, the sealing cover 211 is used to seal the glue injection port 21 to seal the foaming chamber 50. After the assembly of the door body 100, the foaming agent is injected through the glue injection port 21 to perform foaming. The setting of the glue injection port 21 is convenient for the foaming agent to fill on the one hand, and on the other hand, the processing technology of firstly assembling and then foaming is matched, so that the foaming technology difficulty is reduced, the foaming agent is prevented from being stuck on the glass plate when expanding, and the foaming agent cleaning difficulty is increased.

Further, the glue injection port 21 may be disposed on the upper end cover 22, the lower end cover 23, or any side molding 24, and the glue injection port 21 is disposed on the upper end cover 22 for facilitating the foaming agent filling operation.

In one embodiment, as shown in fig. 2 and 3, the outer end surface of the connection frame 31 is flush with the outer end surface of the glass plate. Specifically, the connecting frame 31 is connected along the outer end surfaces of the glass plates by adopting bonding or other processes, so as to prevent the foaming agent from entering between the outer end surfaces of the adjacent two glass plates, affecting the visual effect, and preventing the two bonded glass plates from being spread due to foaming expansion of the foaming agent, thereby affecting the bonding firmness between the two glass plates.

In one embodiment, the bonding of the door panel 10 to the outer glass sheet 33 is along the periphery of the transparent region 11 such that a sealed cavity is formed between the door panel 10 and the outer glass sheet 33. Specifically, when bonding the door panel 10 and the outer glass plate 33, glue is applied around the transparent area 11, so as to prevent the glue from spreading into the transparent area 11 during bonding, thereby affecting the visual effect. In addition, the bonding is ensured such that a sealed cavity is formed between the door panel 10 and the outer glass plate 33, so that the gap formed by the bonding does not allow the foaming agent to pass through into the transparent region 11, thereby affecting the visual effect.

Further, the interval between the coated glue and the peripheral outline of the transparent area 11 is 0.5-1mm, so that the glue is prevented from spreading into the transparent area 11 during bonding.

In an embodiment, the connection frame 31 is disposed along the periphery of the transparent area 11, that is, the user cannot see the arrangement of the connection frame 31 from the transparent area 11, so as to improve the aesthetic degree of the surface of the household electrical appliance door 100, so as to avoid the connection frame 31 from affecting the visual experience of the user.

Further, the outer end face of the connecting frame 31 is flush with the outer end face of the glass plate, and the inner end face of the connecting frame 31 is flush with the peripheral outline of the transparent area 11 or at a distance of 0.5-1mm, so that any part of the transparent area 11 is visualized, the size of the glass plate is reduced, the space of the foaming cavity 50 is occupied due to the fact that the size of the glass plate is large, and the heat preservation effect of the foaming layer is affected.

In an embodiment, as shown in fig. 3 to 5, the outer end 41 of the liner 40 is clamped to the frame 20, so that the liner is convenient to assemble and disassemble. Specifically, the outer side 41 of the liner 40 is provided with a clamping slot 411, and the side wall of the frame 20 facing the home appliance box body is clamped into the clamping slot 411, so as to realize the assembly of the liner 40 and the frame 20. In a specific embodiment, the upper end cover 22, the lower end cover 23, and the two side decorative strips 24 are respectively clamped with the side walls of the upper end cover 22, the lower end cover 23, and the two side decorative strips 24 facing one side of the home appliance box, so that the assembly is convenient.

In one embodiment, as shown in FIG. 3, the inner end 42 of the liner 40 is pressed against a surface of the inner glass sheet 34 facing away from the door panel 10. Specifically, the outer glass plate 33 is pressed against the inner surface of the door panel 10, the inner glass plate 34 is pressed against the inner surface of the inner side end 42 of the inner container 40, and the door panel 10 and the inner container 40 together form a limit structure for limiting the front-back movement of the hollow glass heat insulation structure 30, so that the structure is simple, easy to assemble, stable in assembly state and capable of being produced in batch.

Further, as shown in fig. 3, the inner side end 42 is provided with a plurality of second abutting portions 421, and the plurality of second abutting portions 421 extend toward the hollow glass heat insulation structure 30 respectively and are used for respectively abutting against a surface of the inner glass plate 34 facing away from the door panel 10, so as to reduce the contact area between the inner side end 42 and the inner glass plate 34, reduce the requirement on the surface machining accuracy of the inner container 40 and the inner glass plate 34, and reduce the machining difficulty.

Further, as shown in fig. 3, the inner container 40 is provided with a first abutting portion 43 for abutting against the outer peripheral side wall of the inner glass plate 34. Specifically, the outer end of the liner 40 is connected to the frame 20, and the lateral movement of the liner 40 is restricted by the frame 20. The inner container 40 abuts against the outer peripheral sidewall of the inner glass plate 34 through the first abutting portion 43, so as to limit the lateral movement of the inner glass plate 34, and further limit the lateral movement of the insulating hollow glass structure 30. The inner container 40 has a simple structure and is assembled with the insulating hollow glass structure 30, and after the foaming agent is foamed in the foaming cavity 50, the foaming agent is filled in the assembling gap between the first abutting part 43 and the outer peripheral side wall of the inner glass plate 34, so as to further strengthen the fixing of the insulating hollow glass structure 30. In one embodiment, the outer end surface of the connecting frame 31 is flush with the outer end surface of the glass plate, and the first abutting portion 43 abuts against the outer end surface of the connecting frame 31, so as to increase the abutting force of the first abutting portion 43 on the insulating hollow glass structure 30.

Further, as shown in fig. 3, a reinforcing rib 44 is provided on a surface of the first abutting portion 43 facing away from the inner glass sheet 34, so as to increase the structural strength of the first abutting portion 43 and enhance the abutting force against the insulating glass unit 30.

In an embodiment, as shown in fig. 3 and 5, the outer surface of the liner 40 is concaved inwards to form a concave portion 45, the back surface of the concave portion 45 extends between the frame 20 and the hollow glass heat insulation structure 30, and the bending structure of the concave portion 45 increases the deformation force of the liner 40, so as to facilitate the assembly of the liner 40 with the frame 20 and the hollow glass heat insulation structure 30.

Further, a plurality of engaging protrusions 451 are disposed in the recess 45, and the engaging protrusions 451 form an opposite engaging force together to engage the door seal.

In one embodiment, as shown in fig. 1, 2, 3, and 6, the insulating hollow glass structure 30 includes a middle glass sheet 35, which is electrically heated glass. Specifically, the outer layer glass plate 33, the middle layer glass plate 35 and the inner layer glass plate 34 form a three-layer hollow glass heat insulation structure, so that heat insulation property is improved. The middle layer glass plate 35 is electrically heated glass, and is electrically heated, so that the temperature of the hollow glass heat insulation structure 30 is increased, a demisting and defrosting effect is achieved, condensation is avoided, and the visualization effect of the household door body 100 is prevented from being influenced by the condensation.

Further, the number of glass sheets of the insulating hollow glass structure 30 is four or more to improve the heat insulating effect.

In one embodiment, the outer glass sheet 33 is a transparent or translucent glass sheet.

In one embodiment, the inner glass sheet 34 is a Low-E glass sheet to enhance the insulating effect.

In one embodiment, as shown in fig. 6, the connection frame 31 is a closed loop structure, such as a square sealing rubber ring or a circular sealing rubber ring, so as to improve the sealing performance.

In an embodiment, as shown in fig. 1 and 7, the side decoration strip 24 is provided with a plurality of hollow cavities 241 extending longitudinally, and after two ends of the side decoration strip 24 are respectively connected to the upper end cover 22 and the lower end cover 23, the upper end cover 22 and the lower end cover 23 respectively seal two ends of the hollow cavities 241. The hollow cavity 241 faces the first side wall 242 of the foaming cavity 50 to bear expansion stress of the foaming agent, and replaces the scheme that the second side wall 243 of the side decorative strip 24 for forming the outer surface of the frame 20 is directly contacted with the foaming agent, so that the second side wall 243 is prevented from being deformed due to expansion of the foaming agent, and the aesthetic degree of the outer surface of the frame 20 is affected.

Example 2

The application also provides a refrigerator, which comprises the household appliance transparent door, has a visual effect and keeps the temperature.

Example 3

The application provides an assembly method of a transparent door of a household appliance, as shown in fig. 9, comprising the following steps:

s1, assembling a frame 20;

s2, adhering the door panel 10 to the outer glass plate 33 of the frame 20 and the hollow glass heat insulation structure 30;

s3, installing the liner 40 to form a foaming cavity 50;

and S4, injecting a foaming agent into the foaming cavity 50 to form a foaming layer.

In this embodiment, the upper end cover 22, the lower end cover 23, and the two side decorative strips 24 are assembled to form the frame 20; the hollow glass heat insulation structure 30 can be purchased directly or assembled by itself according to design requirements, and when assembled, adjacent glass plates are bonded with the hollow glass heat insulation structure 30 through the connecting frame 31 and glue; and then the door panel 10 and the liner 40 are sequentially installed, and the household electric door body 100 can be obtained by foaming, so that the assembly is simple and quick, the assembly process is simple, the processing cost is low, and the mass production can be realized.

In an embodiment, in step S3, after the outer end 41 of the inner container 40 is clamped to the frame 20, the first abutting portion 43 of the inner container 40 extends between the insulating hollow glass structure 30 and the frame 20 until the inner end 42 of the inner container 40 abuts against the outer surface of the inner glass plate 34 and the first abutting portion 43 of the inner container 40 abuts against the outer peripheral sidewall of the inner glass plate 34, so as to complete the assembly of the inner container 40.

In one embodiment, in step S4, a foaming agent is injected into the foaming cavity 50 through the glue injection port 21 of the frame 20, and the foaming is performed after the sealing cover 211 is covered.

The above is only a preferred embodiment of the present application, and is not intended to limit the present application in any way; those skilled in the art can smoothly practice the application as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present application are possible in light of the above teachings without departing from the scope of the application; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present application still fall within the scope of the present application.

Claims (11)

1. A transparent door for home appliances, comprising:

a door panel provided with a transparent area;

the frame is used for forming a household electric door body supporting structure;

a hollow glass insulation structure comprising at least two layers of glass plates and a connecting frame; the connecting frame is used for connecting two adjacent glass plates and forming a hollow cavity between the two adjacent glass plates;

the inner container is of a frame structure;

wherein the door panel is adhered to the frame and the outer layer glass plate; the inner container is used for sealing an assembly gap between the frame and the inner layer glass plate;

the door panel, the frame, the hollow glass heat insulation structure and the inner container jointly form a closed foaming cavity, and a foaming layer is arranged in the foaming cavity.

2. The transparent door of claim 1, wherein the frame is provided with a glue injection port for injecting foaming agent; and a sealing cover is arranged at the glue injection port.

3. The transparent door of claim 1, wherein the bonding of the door panel to the outer glass panel is along the periphery of the transparent area such that a sealed cavity is formed between the door panel and the outer glass panel.

4. The transparent door of an electrical appliance according to claim 1, wherein the connection frame is disposed along the outer periphery of the transparent area.

5. The transparent door of claim 1, wherein the outer end of the inner container is fastened to the frame.

6. The door as claimed in any one of claims 1 to 5, wherein the inner side end of the inner container is pressed against a surface of the inner glass plate facing away from the door panel.

7. The transparent door of claim 6, wherein the inner container is provided with a first abutting portion for abutting against a peripheral side wall of the inner glass plate.

8. The transparent door of any one of claims 1-5, wherein the insulating hollow glass structure comprises a middle glass sheet, which is electrically heated glass.

9. The door as claimed in any one of claims 1 to 5, wherein the outer glass plate is a transparent or translucent glass plate.

10. A refrigerator comprising a transparent door for home appliances according to any one of claims 1 to 9.

11. A method of assembling a transparent door for an appliance as claimed in any one of claims 1 to 9, comprising the steps of:

s1, assembling a frame;

s2, adhering a door panel to the outer layer glass plate of the frame and the hollow glass heat insulation structure;

s3, installing an inner container to form a foaming cavity;

s4, injecting a foaming agent into the foaming cavity to form a foaming layer.