CN112728839A

CN112728839A - Refrigerator with a door

Info

Publication number: CN112728839A
Application number: CN201911038591.0A
Authority: CN
Inventors: 吴乔晔; 刘鹏; 张帆
Original assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2021-04-30

Abstract

The invention discloses a refrigerator, which comprises a refrigerator body and a sealing structure, wherein the sealing structure comprises an annular supporting piece and an annular sealing piece, the annular supporting piece is fixedly arranged on the inner wall of an outer refrigerator body through a fixing ring, the annular sealing piece is fixedly connected to the annular supporting piece, and the annular sealing piece is always in sealing and abutting contact with the inner refrigerator body at any position of the relative movement stroke of the outer refrigerator body and the inner refrigerator body and separates an object placing space and the external environment of the refrigerator. The volume of the storage space of the refrigerator is variable through the relative movement between the outer box body and the inner box body, the sealing structure realizes the sealing between the outer box body and the inner box body, the sealing performance of the refrigerator is guaranteed, and the atmosphere cannot enter the storage space through the sealing structure; in the relative movement process of the inner box body and the outer box body, the sealing between the inner box body and the outer box body is always realized, the precision requirement on the assembly between the inner box body and the outer box body is not high, the structure is simple, the operation is convenient, and the heat preservation effect is better.

Description

Refrigerator with a door

Technical Field

The invention relates to the field of household appliances, in particular to a refrigerator.

Background

In the using process of the refrigerator, a large amount of stored articles are increased, or a large number of articles need to be stored, such as a case that a large amount of temporary refrigeration storage is needed in a period of time in holidays and the like.

In the prior art, a scheme that partial structures of a refrigerator are telescopic to realize the volume adjustment of the refrigerator is provided, but some problems generally exist, for example, internal cold air is leaked and cold quantity is leaked in the volume change process of the refrigerator to influence the heat preservation effect, the volume adjustment process is complex and inconvenient to operate, the heat preservation performance of the refrigerator is reduced due to the fact that a sealing structure is easy to damage because relative movement of a plurality of parts exists in the volume change of the refrigerator, and the various problems bring obstacles to the volume change of the refrigerator.

Disclosure of Invention

To solve at least one of the above problems, an object of the present invention is to provide a refrigerator.

To achieve one of the above objects, an embodiment of the present invention provides a refrigerator, including:

the box body comprises an outer box body with an outer opening and an inner box body which at least partially penetrates through the outer opening and is nested in the outer box body, the outer box body and the inner box body surround a storage space, the inner box body can move relative to the outer box body through the outer opening so that the volume of the storage space is increased, and a part of the inner box body is always kept nested in the outer box body;

the sealing structure comprises a fixing ring, an annular supporting piece and an annular sealing piece, wherein the annular supporting piece is arranged on the outer wall of the inner box body, the annular sealing piece is fixedly connected with the annular supporting piece, the outer box body and any position of the relative movement stroke of the inner box body are located, the annular sealing piece always abuts against and separates the outer box body in a sealing mode, and the object placing space and the external environment of the refrigerator are arranged.

As a further improvement of an embodiment of the present invention, the annular sealing members are sealed against the outer box in a direction surrounding the inner wall of the outer box by one circle, and the annular sealing members are deformed.

As a further improvement of an embodiment of the present invention, the annular sealing element includes an elastic layer and a smooth wear-resistant layer covering the elastic layer, and the smooth wear-resistant layer abuts against the inner box body.

As a further improvement of an embodiment of the present invention, the cross section of the annular supporting member is an isosceles trapezoid, an upper bottom of the isosceles trapezoid faces the outer box, and a lower bottom of the isosceles trapezoid is fixedly connected to the outer wall of the inner box.

As a further improvement of an embodiment of the present invention, the annular sealing member is wrapped around two waist portions and an outer side of the upper base of the isosceles trapezoid.

As a further improvement of an embodiment of the present invention, the annular sealing member is embedded inside the annular supporting member and protrudes from the upper bottom.

As a further improvement of an embodiment of the present invention, the present invention further includes an auxiliary door seal connected to a side of the annular supporting member facing the outer opening.

As a further improvement of an embodiment of the present invention, the inner box includes an inner opening that is always kept nested inside the outer box, an extension body that encloses the inner opening, and a first door body that is pivotally connected to the extension body, the extension body has an inner door opening disposed opposite to the inner opening, and the first door body can open or close the inner door opening.

As a further improvement of an embodiment of the present invention, the inner box moves horizontally relative to the outer box, the inner box includes a guide portion and a support portion, the guide portion includes a roller disposed at a bottom of the extension body, and the support portion is disposed at a lower side of the first door body.

As a further improvement of an embodiment of the present invention, the outer box includes an accommodating body surrounding the outer opening, and a second door body pivotally connected to the accommodating body, the accommodating body includes a side wall perpendicular to a plane of the outer opening and an outer door opening formed on the side wall, and the second door body opens or closes the outer door opening.

Compared with the prior art, the invention has the following beneficial effects: the volume of the storage space of the refrigerator is variable through the relative movement between the outer box body and the inner box body, the sealing structure realizes the sealing between the outer box body and the inner box body, the sealing performance of the refrigerator is guaranteed, and the atmosphere cannot enter the storage space through the sealing structure; in the relative movement process of the inner box body and the outer box body, the sealing between the inner box body and the outer box body is always realized, the precision requirement on the assembly between the inner box body and the outer box body is not high, the structure is simple, the operation is convenient, and the heat preservation effect is better.

Drawings

Fig. 1 is a perspective view illustrating that a first door and a second door of a refrigerator according to an embodiment of the present invention are both opened;

FIG. 2 is a longitudinal cross-sectional view of an embodiment of the present invention with the inner housing completely moved into the outer housing;

FIG. 3 is a longitudinal cross-sectional view of the inner housing partially removed from the outer housing in accordance with one embodiment of the present invention;

fig. 4 is a partial enlarged view at a of fig. 3;

FIG. 5 is a schematic structural view of a seal structure of one embodiment of the present invention;

FIG. 6 is a schematic structural view of a seal structure according to another embodiment of the present invention;

wherein, 1, an outer box body; 11. a containment body; 111. an outer doorway; 12. a second door body; 10. an object placing space; 2. an inner box body; 21. expanding the body; 211. an inner doorway; 22. a first door body; 23. a support portion; 24. a guide section; 3. an annular support; 4. an annular seal; 5. and adding a door seal.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.

An embodiment of the invention provides a refrigerator, which comprises a refrigerator body, wherein the refrigerator body comprises an outer box body 1 with an outer opening and an inner box body 2 at least partially penetrating through the outer opening and nested in the outer box body 1, the outer box body 1 and the inner box body 2 surround an object placing space 10, the inner box body 2 can move relative to the outer box body 1 through the outer opening so as to increase the volume of the object placing space 10, when objects needing to be stored by a user temporarily increase or are large-volume objects, the outer box body 1 and the inner box body 2 relatively move to a proper position so as to increase the volume of the object placing space 10, the refrigerator realizes the adjustment of the total volume, and meets different requirements of the user; a part of the inner box 2 is always kept nested inside the outer box 1, i.e. the inner box 2 will not completely separate from the outer box 1, in this embodiment, the inner box 2 can move out of or into the outer box 1 from the outer opening, in other embodiments, the outer box 1 can move, or the outer box 1 and the inner box 2 can move simultaneously, since the movement of the inner box 2 is opposite to the movement of the outer box 1, the following description of this embodiment uses the movement of the inner box 2 as unfolding.

In this embodiment, the inner box 2 and the outer box 1 are movably sleeved to make the volume of the storage space 10 enclosed by the inner box 2 and the outer box 1 change along with the relative movement of the inner box and the outer box, and the relative movement of the inner box and the outer box makes the volume of the storage space 10 larger or smaller, but during the relative movement of the inner box and the outer box, a part of the inner box 2 is always embedded inside the outer box 1 to avoid the separation of the inner box and the outer box.

The object placing space 10 is enclosed by the outer box body 1 and the inner box body 2, and comprises a space inside the inner box body 2 and a space inside the outer box body 1 except the inner box body 2, in the process of partially moving the inner box body 2 out of the outer box body 1, the space inside the outer box body 1 except the inner box body 2 becomes more, and the volume of the object placing space 10 is increased; in the process of moving the inner box body 2 into the outer box body 1, the space inside the outer box body 1 except the inner box body 2 is reduced, and the volume of the object placing space 10 is reduced; in the limit, when the inner box body 2 moves out of the outer box body 1 to the moving-out limit position, the volume of the storage space 10 is the largest, when the outer box body 1 moves into the inner box body 2 to the moving-in limit position, the volume of the storage space 10 is the smallest, and under the moving-in limit position, the inner box body 2 can be completely positioned in the outer box body 1, and part of the structure can also be positioned outside the outer box body 1; when the inner box body 2 moves to the moving-in limit position, part of the structure is still outside the outer box body 1, and when the inner box body 2 moves to the moving-out limit position, part of the structure is still inside the outer box body 1.

To clearly express the positions and directions described in the present embodiment, the direction of the outer opening with respect to the inner space of the outer box 1 is defined as "front", the opposite direction is defined as "back", the direction of the bottom of the outer box 1 with respect to the top is defined as "lower", the opposite directions are defined as "upper", "upper" and "lower" and are only defined by names, and are not limited as "upper" and "lower" physically defined by gravity, of course, in the preferred embodiment, "upper" and "lower" are "upper" and "lower" in the direction of gravity, the bottom of the box is placed on a horizontal plane, the top of the outer box 1 is above the bottom, and correspondingly, the outer opening and the inner space of the outer box 1 are in a horizontal direction, and the inner box 2 moves in a front-back direction of the physical space; in other embodiments, for example, the rear wall of the inside of the outer case 1 opposite to the outer opening is placed on a horizontal plane, the top and bottom of the outer case 1 correspond to the horizontal direction of the physical space, "up" and "down" corresponding to the top and bottom, the outer opening corresponds to the top and down of the physical space relative to the front and back of the inside of the outer case 1, and the inner case 2 moves in the up and down direction of the physical space.

The refrigerator also comprises a sealing structure which comprises an annular supporting piece 3 and an annular sealing piece 4, wherein the annular supporting piece 3 is fixedly arranged on the outer wall of the inner box body 2 in a fixed ring mode, the annular sealing piece 4 is fixedly connected to the annular supporting piece 3, the annular sealing piece 4 is always in sealing abutment with the outer box body 1 at any position of the relative movement stroke of the outer box body 1 and the inner box body 2 and separates the object placing space 10 from the external environment of the refrigerator, the sealing abutment in the embodiment means that the annular sealing piece 4 and the outer box body 1 separate the spaces at two sides of the connecting position, and fluid cannot pass through the connecting position between the sealing structure and the outer; meanwhile, when the outer box body 1 and the inner box body 2 move relatively to any position of the stroke, the annular sealing piece 4 and the outer box body 1 are always connected in a sealing and abutting mode, the annular supporting piece 3 and the annular sealing piece 4 are arranged around the outer wall of the inner box body 2 in a circle, and the atmosphere cannot enter the storage space 10 from the position between the outer box body 1 and the inner box body 2. On the one hand, the annular sealing element 4 ensures the sealing performance of the refrigerator, isolates the airflow flowing between the inside of the refrigerator and the atmosphere, the atmosphere cannot enter the storage space 10 through the position of the sealing element, the offset relation between the annular sealing element 4 and the outer box body 1 is always ensured in the process of movement of the inner box body 2, and the technical effect that the storage space 10 is sealed all the time in the process of stepless volume adjustment and change is achieved.

Further, as shown in fig. 1, the inner box 2 includes an inner opening which is always nested inside the outer box 1, an expansion body 21 which encloses the inner opening, and a first door 22 which is pivotally connected to the expansion body 21, the inner opening is disposed opposite to the outer box 1, the storage space 10 inside the inner box 2 is communicated with the storage space 10 inside the outer box 1 through the inner opening, the expansion body 21 has an inner door 211 disposed opposite to the inner opening, and the first door 22 can open or close the inner door 211 to place articles in the storage space 10 through the inner door 211.

Further, the inner casing 2 moves horizontally with respect to the outer casing 1, and particularly, the movement of the inner casing 2 is linear in the front-rear direction, and the telescopic portion of the seal is not rigid, so that the inner casing 2 is displaced in the up-down and left-right directions when pulled forward, but the overall movement tends to be in the front-rear direction.

In this embodiment, the inner box 2 includes a guide portion 24 and a support portion 23, as shown in fig. 2 or fig. 3, the inner box 2 is pulled out by setting the guide portion 24, especially, the inner box 2 moves in the horizontal direction, the guide portion 24 includes a roller disposed at the bottom of the extension body 21, the roller may be disposed in a plurality of positions, the roller rolls in the outer box 1, the inner box 2 moves under the support of the roller, a guide rail may be further disposed inside the outer box 1, the roller moves along the guide rail direction, the inner wall abrasion caused by the friction between the inner box 2 and the outer box 1 is avoided, and meanwhile, a guiding function is also performed, of course, the guide portion 24 may also be disposed in other structures such as a slider, which are convenient for the movement of the. The support portion 23 is provided below the first door 22, and the support portion 23 supports the inner casing 2 drawn out of the outer casing 1.

Further, the outer box 1 includes a containing body 11 surrounding the outer opening, and a second door 12 pivotally connected to the containing body 11, the inner box 2 is nested inside the containing body 11, the containing body 11 includes a side wall perpendicular to the plane of the outer opening and an outer door 111 formed on the side wall, the second door 12 opens or closes the outer door 111, when the inner box 2 is moved out, if the first door 22 is still opened, the rear space of the outer box 1 cannot be well utilized due to the long length in the front-rear direction, and therefore the second door 12 can be opened, and articles can be placed in the placing space 10 through the outer door 111.

In addition, the inside foaming insulating layer that all sets up of outer box 1 and interior box 2, the foaming insulating layer can set up in holding body 11 and extension body 21, ensures the heat preservation heat-proof quality of refrigerator.

Further, cyclic annular sealing member 4 all seals up with outer box 1 and offsets and cyclic annular sealing member 4 produces deformation in the direction of 1 inner wall a week of outer box in the ring, and cyclic annular sealing member 4 can produce deformation with outer box 1 support the in-process, and deformation can ensure both in close contact with on the one hand, and on the other hand supports partial leakproofness of going into better, the sealing that the position homoenergetic of 1 round in the outer box in the ring is fine.

Further, cyclic annular sealing member 4 includes elastic layer and cladding in the smooth wearing layer in the elastic layer outside, smooth wearing layer offsets with outer box 12, smooth wearing layer can adopt materials such as polyethylene, polypropylene or polyvinyl chloride, frictional resistance is little when the improvement of smoothness makes relative motion between interior box 2 and the outer box 1, be convenient for produce relative displacement, the wearability makes and can slide many times not worn out, the elastic layer can be used to bear the deformation, the material that can adopt is like thermal-insulated sponge.

In addition, seal structure sets up in interior opening part, has satisfied the user demand on the one hand like this, and the relative displacement between box 2 and the outer box 1 can be as big as possible in the messenger, is convenient for produce the assembly in addition, and it is convenient to overhaul when just running into the trouble needs the maintenance.

Furthermore, the cross section of the annular supporting piece 3 is an isosceles trapezoid, the upper bottom of the isosceles trapezoid faces the outer box body 1, and the lower bottom of the isosceles trapezoid is fixedly connected with the inner wall of the inner box body 2; the isosceles trapezoid design ensures that when the inner box body 2 moves outwards or inwards, the same direction of the stress is opposite, the contact area with the outer box body 1 is reduced, and the contact area between the inner box body 2 and the outer box body is increased.

Furthermore, the sealing structure of the present application may have two structures, one embodiment of which is that the annular sealing element 4 covers the two waists and the outer side of the upper bottom of the isosceles trapezoid, so as to ensure reliable sealing performance.

Another embodiment is that the ring-shaped sealing element 4 is embedded inside the ring-shaped supporting element 3 and extends from the upper bottom, so that the ring-shaped sealing element 4 is tightly connected, the problems of skin tilting and loss are not generated, and the friction resistance is smaller.

Further, the annular support 3 and the annular seal 4 are both made of heat insulating material, so that the heat insulating capability can be increased, and the inside of the annular seal 4 can be hollow.

Further, the refrigerator still includes and assists door seal 5, assists door seal 5 connect in cyclic annular support piece 3 orientation outer opening one side, assists door seal 5 to be used for further hindering the air to flow, strengthens whole heat preservation effect, prevents that the loss of cold volume or external heat from getting into and puts thing space 10, and when the relative motion of outer box 1 and interior box 2 to the optional position department of stroke, it sets up between outer box 1 and interior box 2 and separates and put thing space 10 and the external environment of refrigerator to assist door seal 5 all the time, assists door seal 5 promptly and is used for preventing that cold volume from following the clearance department between outer box 1 and the interior box 2 and running off.

In this embodiment, the inner wall of interior box 2 is located to the supplementary door that adds 5 rings, and when interior box 2 moved, and outer box 1 was static, the supplementary door that adds 5 was also static all the time, and the supplementary door that adds 5 reduces and produces the air current convection current between atmosphere and the sealing member, strengthens whole heat preservation effect, and can prevent that external foreign matter from getting into between outer box 1 and the interior box 2, has protected equipment, and has pleasing to the eye effect, avoids seeing inside seal structure from the external world.

Compared with the prior art, the embodiment has the following beneficial effects:

the volume of the storage space 10 of the refrigerator is variable through the relative movement between the outer box body 1 and the inner box body 2, the sealing structure realizes the sealing between the outer box body 1 and the inner box body 2, the sealing performance of the refrigerator is guaranteed, and the atmosphere cannot enter the storage space 10 through the sealing structure; in the relative movement process of the inner box body and the outer box body 1, the sealing between the inner box body 2 and the outer box body 1 is always realized, the precision requirement on the assembly between the inner box body 2 and the outer box body 1 is not high, the structure is simple, the operation is convenient, and the heat preservation effect is better.

The detailed description set forth above is merely a specific description of possible embodiments of the present invention and is not intended to limit the scope of the invention, which is intended to include within the scope of the invention equivalent embodiments or modifications that do not depart from the technical spirit of the present invention.

Claims

1. A refrigerator, characterized by comprising:

2. The refrigerator of claim 1, wherein the ring-shaped sealing member is sealed against the outer case in a direction surrounding an inner wall of the outer case by one circumference and the ring-shaped sealing member is deformed.

3. The refrigerator as claimed in claim 1, wherein the ring-shaped sealing member includes an elastic layer and a smooth wear-resistant layer coated on an outer side of the elastic layer, the smooth wear-resistant layer abutting against the inner case.

4. The refrigerator as claimed in claim 1, wherein the cross section of the ring-shaped supporter is formed as an isosceles trapezoid, an upper base of the isosceles trapezoid faces the outer case, and a lower base of the isosceles trapezoid is fixedly connected to the outer wall of the inner case.

5. The refrigerator as claimed in claim 4, wherein the ring-shaped sealing member is wrapped around both of the waist and the outer side of the upper base of the isosceles trapezoid.

6. The refrigerator of claim 4, wherein the ring seal is embedded inside the ring support and protrudes from an upper bottom.

7. The refrigerator of claim 1, further comprising a supplementary dock seal attached to a side of the ring support facing the outer opening.

8. The refrigerator of claim 1 wherein the inner cabinet includes an inner opening that remains nested within the outer cabinet at all times, an expansion body that encloses the inner opening, the expansion body having an inner door opening disposed opposite the inner opening, and a first door pivotally connected to the expansion body that opens or closes the inner door opening.

9. The refrigerator according to claim 8, wherein the inner case moves horizontally with respect to the outer case, the inner case includes a guide portion including a roller provided at a bottom of the extension body, and a support portion provided at a lower side of the first door body.

10. The refrigerator according to claim 1, wherein the outer case includes a receiving body surrounding the outer opening, and a second door body pivotally connected to the receiving body, the receiving body includes a sidewall perpendicular to a plane of the outer opening and an outer door opening formed in the sidewall, and the second door body opens or closes the outer door opening.