CN217243756U

CN217243756U - Heat insulation structure of household appliance and household appliance with heat insulation function

Info

Publication number: CN217243756U
Application number: CN202220337793.6U
Authority: CN
Inventors: 梅有恩
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-08-23
Anticipated expiration: 2032-02-18

Abstract

The utility model relates to a domestic appliance's insulation construction and have domestic appliance of heat preservation function, including being used for placing the heat preservation chamber of treating heat preservation food, be provided with the steam chamber layer that can take place heat transfer with above-mentioned heat preservation chamber outside the at least one side chamber wall in this heat preservation chamber, this steam chamber layer have the steam inlet and with external communicating steam outlet. Compared with the prior art, the utility model discloses be provided with the heat preservation chamber, be provided with outside the at least one side chamber wall in heat preservation chamber can take place heat transfer's steam chamber layer with above-mentioned heat preservation chamber, like this when needs keep warm to the cooked food that the culinary art was accomplished, put into the heat preservation chamber with cooked food, utilize the steam in the steam chamber layer to heat the cooked food in the heat preservation chamber and keep warm.

Description

Heat insulation structure of household appliance and household appliance with heat insulation function

Technical Field

The utility model relates to a domestic appliance field especially relates to a domestic appliance's insulation construction and have heat preservation function's domestic appliance.

Background

Cooking equipment with a steaming function such as a steam box and a steam oven can discharge residual steam in an inner container in the steaming function, for example, a Chinese invention patent with the application number of CN202110784857.7 (publication number of CN113545661A), namely an exhaust structure and steaming cooking equipment of a steaming household appliance, a Chinese invention patent with the application number of CN202110687918.8 (publication number of CN113331703A), a Chinese invention patent with the application number of CN202110686487.3 (publication number of CN113558487A), namely an exhaust structure and steaming cooking equipment for steaming cooking, and the like.

In addition, cooked food can become cold after being placed for a long time to affect the taste, especially in cold winter, when a plurality of dishes need to be prepared, the following dishes are not cooked, and the front dishes are cooled, so that the cooking experience of a user is affected.

Disclosure of Invention

The utility model aims to solve the first technical problem that provides a domestic appliance's insulation construction to prior art, it can keep warm to the cooked food that the culinary art was accomplished.

The utility model aims to solve the second technical problem that provide a domestic appliance's insulation construction to prior art, its outer row steam that can utilize the steaming in-process keeps warm to the cooked food that the culinary art was accomplished.

The third technical problem to be solved by the present invention is to provide a household electrical appliance with heat preservation function having the above heat preservation structure.

The utility model provides a technical scheme that at least one above-mentioned technical problem adopted does: the utility model provides a domestic appliance's insulation construction which characterized in that, is including being used for placing the heat preservation chamber of treating heat preservation food, is provided with the steam chamber layer that can take place heat transfer with above-mentioned heat preservation chamber outside the at least one side chamber wall in this heat preservation chamber, and this steam chamber layer has steam inlet and communicates with each other with the external world steam outlet.

Further, the steam inlet is in fluid communication with a steam outlet of the household appliance. Therefore, the food in the heat preservation cavity can be heated by utilizing the residual steam discharged by the household appliance, and the secondary utilization of the steam is realized.

Furthermore, the household appliance comprises a box body and an inner container arranged in the box body, the inner container is provided with the steam outlet, the box body is provided with a steam outlet joint which is in fluid communication with the steam outlet, and the steam outlet joint is in fluid communication with the steam inlet. Therefore, the residual steam discharged outside the liner is discharged outside through the steam discharge port and enters the steam empty layer through the steam discharge joint to heat and preserve heat of food in the heat preservation cavity.

Further, the inner container is a cooking inner container for cooking food. Namely, the steam entering the steam cavity layer is the residual steam of the food cooked by the cooking inner container, the steam source is relatively safe, and the food safety in the heat preservation cavity is ensured.

Further, the heat preservation chamber is arranged on the cooking inner container, and the bottom chamber wall of the heat preservation chamber can be in heat transfer with the top wall of the cooking inner container. Therefore, the residual heat of the cooking inner container can be transferred to the heat preservation cavity to realize auxiliary heating and heat preservation of food in the heat preservation cavity.

Furthermore, the extension direction of the wall of the heat preservation chamber on the steam cavity layer side along the heat preservation chamber extends and covers the wall of the heat preservation chamber on the side of the steam cavity layer, so that the steam heat in the steam cavity layer can be more efficiently transferred to the heat preservation chamber.

Furthermore, the appearance of the cavity wall of the heat preservation cavity is cuboid, the front side of the heat preservation cavity is open, and the steam cavity layer is continuously coated on the left side surface, the back side surface, the right side surface and the top surface of the cavity wall of the heat preservation cavity. So on the one hand can further improve the heating efficiency to the food in the heat preservation chamber, on the other hand can realize the even heating to the food in the heat preservation chamber, promotes the heat preservation effect.

Furthermore, the steam inlet and the steam outlet are respectively arranged at different ends of the steam cavity layer, and the height of the steam outlet is higher than that of the steam inlet. Thereby can furthest prolong the motion route of steam in the steam chamber layer, and then prolong the dwell time of steam in the steam chamber layer for steam can fully take place heat transfer with the heat preservation chamber.

Further, still include inner cover and dustcoat, the appearance of this inner cover and dustcoat all is cuboid form and both equal front side openings, and wherein, the inner chamber of inner cover constitutes above-mentioned heat preservation chamber, and the inner cover nestification is in the dustcoat, and leaves the clearance and form above-mentioned steam chamber layer between the internal surface of the surface of this inner cover and dustcoat. Therefore, the heat preservation cavity and the steam cavity layer can be well formed, and the steam cavity layer can be well coated on the periphery of the heat preservation cavity.

Furthermore, the steam inlet and the steam outlet of the steam cavity layer are both arranged on the outer cover, so that the steam inlet and the steam outlet are conveniently arranged on the steam cavity layer.

Furthermore, the steam inlet is arranged at the lower part of the back side wall of the outer cover, and the steam outlet is arranged at the upper part of the left side wall or the right side wall of the outer cover, so that the retention time of the steam in the steam cavity layer can be better prolonged.

Furthermore, the steam inlet is provided with a steam inlet joint, the steam outlet is provided with a steam outlet joint, the steam outlet joint is cylindrical, one end of the steam outlet joint is connected to the outer opening edge of the steam inlet in a covering mode, and the other end of the steam outlet joint is closed and provided with steam outlet small holes, so that steam in the steam cavity layer can be uniformly discharged outside, and direct injection is avoided.

Furthermore, the left end, the rear end and the right end of the inner bottom surface of the outer cover are respectively fixed with a limiting convex strip extending along the length direction of the end where the limiting convex strip is located, and the lower end of each outer side surface of the inner cover is respectively abutted against the corresponding limiting convex strip. Carry on spacingly through each spacing sand grip to the inner cover, make things convenient for nesting each other of inner cover and dustcoat on the one hand, on the other hand can form above-mentioned steam chamber layer structure steadily.

In order to further solve the third technical problem, the following technical solutions are adopted: the household appliance with the heat preservation function is characterized by having the heat preservation structure of the household appliance.

Further, the household appliance is one of an oven, a steaming oven, a microwave oven, a disinfection cabinet and a cleaning machine or an integrated combination device of at least two of the oven, the steaming oven, the microwave oven, the disinfection cabinet and the cleaning machine.

Compared with the prior art, the utility model has the advantages of: the utility model discloses be provided with the heat preservation chamber, be provided with outside the at least one side chamber wall in heat preservation chamber can take place the steam chamber layer of heat transfer with above-mentioned heat preservation chamber, like this when needs keep warm to the cooked food that the culinary art was accomplished, put into the heat preservation chamber with cooked food, utilize the steam in the steam chamber layer to heat the cooked food in the heat preservation chamber and keep warm.

Drawings

Fig. 1 is a schematic structural diagram of a household appliance in an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 in another direction;

fig. 3 is an exploded view of a part of a household appliance according to an embodiment of the present invention;

fig. 4 is a partial exploded view of the thermal insulation structure according to the embodiment of the present invention;

FIG. 5 is an exploded view of another embodiment of the present invention;

fig. 6 is a schematic structural view in another direction of fig. 5.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the disclosed embodiments of the invention may be oriented in different directions and the directional terms are intended to be illustrative and should not be construed as limiting, such as "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

As shown in fig. 1 to 6, a household appliance 1 with a heat preservation function is one of an oven, a steaming and baking oven, a microwave oven, a disinfection cabinet and a cleaning machine, or an integrated combination of at least two of them, in this embodiment, the household appliance 1 is a steaming and baking oven.

The utility model discloses in above-mentioned household electrical appliance 1 includes box 10, the culinary art inner bag (not shown) and the insulation construction that are used for culinary art food, wherein, the culinary art inner bag sets up in box 10, has seted up the steam vent on the top of culinary art inner bag, and has seted up the steam extraction joint 101 with this steam vent phase fluid intercommunication on the top of above-mentioned box 10, and the insulation construction is including being used for placing the heat preservation chamber 30 of treating heat preservation food. The outer wall of at least one side of the heat preservation cavity 30 is provided with a steam cavity layer 20 which can generate heat transmission with the heat preservation cavity 30, and the steam cavity layer 20 is provided with a steam inlet 201 and a steam outlet 202 communicated with the outside. The utility model discloses be provided with heat preservation chamber 30, be provided with the steam chamber layer 20 that can take place the heat transfer with above-mentioned heat preservation chamber 30 outside the at least one side chamber wall of heat preservation chamber 30, like this when needs keep warm to the cooked food that the culinary art was accomplished, put into heat preservation chamber 30 with cooked food, utilize the steam in steam chamber layer 20 to heat the cooked food in heat preservation chamber 30 and keep warm.

Preferably, the steam outlet of the cooking liner is in fluid communication with the steam inlet 201, so that the food in the heat preservation chamber 30 can be heated by using the residual steam discharged from the cooking liner 10, thereby achieving secondary utilization of the steam, and the discharged steam in the cooking liner 10 is the residual steam after the food is cooked, so that the steam source is relatively safe, and the food safety in the heat preservation chamber 30 is ensured. Further preferably, the heat preservation chamber 30 is disposed above the cooking inner container 10, and a bottom chamber wall of the heat preservation chamber 30 can be in heat transfer with a top wall of the cooking inner container 10. Thus, the residual temperature of the cooking inner container 10 can be transferred into the heat preservation cavity 30 to realize auxiliary heating and heat preservation of food in the heat preservation cavity 30.

Further, the steam cavity layer 20 extends along the extending direction of the cavity wall of the heat preservation cavity 30 on the side where the steam cavity layer is located and covers the cavity wall of the heat preservation cavity 30 on the side, so that the steam heat in the steam cavity layer 20 can be more efficiently transferred to the heat preservation cavity 30. Specifically, the shape of the cavity wall of the thermal insulation cavity 30 is a cuboid, the front side of the thermal insulation cavity 30 is open, so that food can be conveniently put into the thermal insulation cavity 30, the door 31 covers the opening of the thermal insulation cavity 30, and the steam cavity layer 20 continuously covers the left side, the back side, the right side and the top of the cavity wall of the thermal insulation cavity 30. So on the one hand can further improve the heating efficiency to the food in the heat preservation chamber 30, on the other hand can realize the even heating to the food in the heat preservation chamber 30, promotes the heat preservation effect.

Further, in the present embodiment, the steam inlet 201 and the steam outlet 202 are respectively disposed at different ends of the steam cavity layer 20, and the steam outlet 202 is higher than the steam inlet 201. Therefore, the moving path of the steam in the steam cavity layer 20 can be prolonged to the maximum extent, and the residence time of the steam in the steam cavity layer 20 is further prolonged, so that the steam can be fully subjected to heat transfer with the heat preservation cavity 30.

For can better form above-mentioned heat preservation chamber 30 and steam chamber layer 20, above-mentioned insulation construction still includes inner cover 3 and dustcoat 2, and the appearance of this inner cover 3 and dustcoat 2 all is cuboid form and both equal front side openings, and wherein, the inner chamber of inner cover 3 constitutes above-mentioned heat preservation chamber 30, and inner cover 3 nests in dustcoat 2, and leaves the clearance and form above-mentioned steam chamber layer 20 between the surface of this inner cover 3 and the internal surface of dustcoat 2. In this embodiment, the bottom wall of the outer cover 2 is closely attached to the top wall of the box 10, so that the bottom cavity wall of the heat preservation cavity 30 can smoothly transfer heat with the top wall of the cooking inner container 10.

In this embodiment, the steam inlet 201 and the steam outlet 202 of the steam cavity layer 20 are both disposed on the outer cover 2, so that the steam inlet 201 and the steam outlet 202 are conveniently disposed on the steam cavity layer 20. Preferably, the steam inlet 201 is opened at the lower portion of the back side wall of the housing 2, and the steam outlet 202 is opened at the upper portion of the left side wall or the right side wall of the housing 2, so as to better prolong the staying time of the steam in the steam chamber layer 20. Preferably, the steam inlet 201 is provided with a steam inlet joint 4, and the steam inlet joint 4 is in fluid communication with the steam outlet 101 of the cooking inner container 10, and specifically, the steam inlet joint 5 is in vertical communication with the steam outlet joint 101 of the box body 10, so as to realize the communication between the steam outlet of the cooking inner container and the air inlet 201. The steam outlet 202 is provided with a steam outlet joint 5, the steam outlet joint 5 is cylindrical, one end of the steam outlet joint is covered on the outer opening edge of the steam inlet 201, and the other end of the steam outlet joint is closed and provided with steam outlet small holes 51, so that steam in the steam cavity layer 20 can be uniformly discharged outside, and direct injection is avoided.

In addition, in this embodiment, above-mentioned dustcoat 2 sets up on the top surface of domestic appliance 1, and external diapire is hugged closely with domestic appliance 1's roof promptly, and this dustcoat 2's diapire is heat-conducting material, and other each walls except the diapire are thermal-insulated material, and inner cover 3 is whole to be heat-conducting material simultaneously, and seals between the mouth reason of dustcoat 2 and the mouth reason of inner cover 3, avoids the steam in steam cavity layer 20 to escape through the clearance between the two. In addition, the left end, the rear end and the right end of the inner bottom surface of the outer cover 2 are respectively fixed with a limit convex strip 21 extending along the length direction of the end where the limit convex strip is located, and the lower end of each outer side surface of the inner cover 3 is respectively abutted against the corresponding limit convex strip 21. Carry on spacingly through each spacing sand grip 21 to inner cover 3, make things convenient for mutual nestification of inner cover 3 and dustcoat 2 on the one hand, on the other hand can form above-mentioned steam chamber layer 20 structure steadily.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter collectively referred to as a first portion and a second portion), i.e., a fluid (gas, liquid or a mixture of both) can flow along a flow path from the first portion or/and be transported to the second portion, and may be directly communicated between the first portion and the second portion, or indirectly communicated between the first portion and the second portion via at least one third member, which may be a fluid passage such as a pipe, a channel, a duct, a flow guide member, a hole, a groove, or a chamber allowing the fluid to flow therethrough, or a combination thereof.

Claims

1. The heat preservation structure of the household appliance is characterized by comprising a heat preservation cavity (30), wherein a steam cavity layer (20) capable of conducting heat transfer with the heat preservation cavity (30) is arranged outside the wall of at least one side of the heat preservation cavity (30), and the steam cavity layer (20) is provided with a steam inlet (201) and a steam outlet (202) communicated with the outside.

2. Insulation construction of a household appliance according to claim 1, characterized in that the steam inlet (201) is in fluid communication with a steam outlet of the household appliance (1).

3. A heat-insulating structure of an electric household appliance as claimed in claim 2, characterized in that said electric household appliance (1) comprises a casing (10) and a liner arranged in said casing (10), said steam outlet is provided on said liner, and a steam outlet connector (101) in fluid communication with said steam outlet is provided on said casing (10), and said steam outlet connector (101) is in fluid communication with said steam inlet (201).

4. The thermal insulation structure of a household appliance according to claim 3, wherein the inner container is a cooking inner container for cooking food.

5. Insulation construction for household appliances according to claim 4, characterized in that the insulation chamber (30) is arranged above the cooking vessel, and the bottom chamber wall of the insulation chamber (30) is in thermal communication with the top wall of the cooking vessel.

6. Insulation construction for a household appliance according to claim 1, characterized in that the steam chamber layer (20) extends in the direction of extension of the chamber wall of the insulation chamber (30) on the side of the steam chamber layer and covers the chamber wall on the side of the insulation chamber (30).

7. The heat insulating structure of a home appliance according to claim 6, wherein the heat insulating chamber (30) has a rectangular parallelepiped shape, the heat insulating chamber (30) has a front side opened, and the steam chamber layer (20) is continuously coated on a left side, a back side, a right side and a top of the heat insulating chamber (30).

8. The insulation structure of household electrical appliance according to any claim 1 to 7, wherein the steam inlet (201) and the steam outlet (202) are respectively opened at different ends of the steam cavity layer (20), and the steam outlet (202) is higher than the steam inlet (201).

9. A heat-insulating structure of a household electrical appliance according to any one of claims 1 to 7, further comprising an inner cover (3) and an outer cover (2), wherein the inner cover (3) and the outer cover (2) are rectangular and open at the front side, the inner cavity of the inner cover (3) forms the heat-insulating cavity (30), the inner cover (3) is nested in the outer cover (2), and a gap is left between the outer surface of the inner cover (3) and the inner surface of the outer cover (2) to form the steam cavity layer (20).

10. Insulation construction for household appliances according to claim 9, characterized in that the steam inlet (201) and the steam outlet (202) of the steam chamber layer (20) are both open on the housing (2).

11. Insulation structure of household appliances according to claim 10, characterized in that the steam inlet (201) is opened at a lower portion of the back side wall of the housing (2) and the steam outlet (202) is opened at an upper portion of the left side wall or the right side wall of the housing (2).

12. A heat-insulating structure of a household appliance as claimed in claim 10, characterized in that the steam inlet (201) is provided with a steam inlet joint (4), the steam outlet (202) is provided with a steam outlet joint (5), the steam outlet joint (5) has a cylindrical shape, one end of the steam outlet joint is covered on the outer opening edge of the steam inlet (201), and the other end of the steam outlet joint is closed and is provided with a steam outlet small hole (51).

13. The heat insulating structure of the household electrical appliance according to claim 9, wherein the left end, the rear end and the right end of the inner bottom surface of the outer cover (2) are respectively fixed with a limit rib (21) extending along the length direction of the end where the limit rib is located, and the lower end of each outer side surface of the inner cover (3) is respectively abutted against the corresponding limit rib (21).

14. An electric household appliance with a heat preservation function, characterized in that the heat preservation structure of the electric household appliance is provided as claimed in any one of claims 1 to 13.

15. The household appliance with insulation function according to claim 14, wherein the household appliance (1) is one of an oven, a steaming oven, a microwave oven, a disinfection cabinet, a washing machine or an integrated combination of at least two of them.