CN112728838A

CN112728838A - Refrigerator with a door

Info

Publication number: CN112728838A
Application number: CN201911038555.4A
Authority: CN
Inventors: 吴乔晔; 张帆; 刘鹏
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 includes a box body and a sealing structure. At any position of the relative movement stroke of the outer box body and the inner box body, the annular sealing element is always in contact with the cylindrical sealing element in the circumferential direction of the annular cylindrical sealing element. The seals abut against and into the barrel seal. On the one hand, the annular seal and the cylindrical seal ensure the airtightness of the refrigerator and isolate the airflow between the interior of the refrigerator and the atmosphere. The atmosphere cannot enter the storage space through the location of the seal, and the inner box moves. During the process, the offset relationship between the annular seal and the cylindrical seal is always guaranteed, and the technical effect of always being sealed during the process of stepless adjustment and change of the volume of the storage space is realized.

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 and an inner box body, the inner box body and the outer box body are movably sleeved relatively so that the volume of an object placing space enclosed by the inner box body and the outer box body changes along with the relative movement of the inner box body and the outer box body, and a part of the inner box body is always kept embedded in the outer box body;

seal structure locates including solid fixed ring the cyclic annular sealing member of interior box outer wall, follow interior box relative motion direction lays in the tube-shape sealing member of outer box inner wall the outer box with the optional position department of the relative motion stroke of interior box, cyclic annular sealing member is in the ring the direction of tube-shape sealing member a week all the time with tube-shape sealing member seals up and offsets and supports into the tube-shape sealing member.

As a further improvement of an embodiment of the present invention, the inner box moves horizontally relative to the outer box, and the inner box includes a support portion disposed outside the storage space.

As a further improvement of an embodiment of the present invention, the outer box includes an accommodating body surrounding the outer opening, and the accommodating body includes a sidewall perpendicular to a plane of the outer opening.

As a further improvement of an embodiment of the present invention, the cross section of the annular sealing member is an isosceles trapezoid, an upper bottom of the isosceles trapezoid faces the cylindrical sealing member, 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 cylindrical sealing element includes an elastic layer and a smooth wear-resistant layer wrapping the elastic layer, and the annular sealing element abuts against the smooth wear-resistant layer.

As a further improvement of an embodiment of the present invention, the cylindrical seal and the annular seal are both provided as a heat insulating material.

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 annular seal is disposed at the inner opening.

As a further improvement of an embodiment of the present invention, the inner box includes a support portion provided on a lower side of the first door body.

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 seal member facing the outer opening.

Compared with the prior art, the invention has the following beneficial effects: the annular sealing element and the cylindrical sealing element ensure the sealing performance of the refrigerator on one hand, isolate the air flow between the interior of the refrigerator and the atmosphere from flowing, the atmosphere cannot enter the storage space through the position of the sealing element, the offset relation between the annular sealing element and the cylindrical sealing element is always ensured in the process of movement of the inner box body, and the technical effect of sealing all the time in the process of stepless adjustment and change of the volume of the storage space is achieved.

Drawings

Fig. 1 is a perspective view illustrating a first door of a refrigerator according to an embodiment of the present invention being 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;

wherein, 1, an outer box body; 11. a containment 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; 3. a cylindrical seal member; 31. a smooth wear layer; 32. an elastic layer; 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, wherein the sealing structure comprises an annular sealing element 4 fixedly arranged on the outer wall of the inner box body 2 and a cylindrical sealing element 3 paved on the inner wall of the outer box body 1 along the relative movement direction of the inner box body 2, and at any position of the relative movement stroke of the outer box body 1 and the inner box body 2, the annular sealing element 4 is always in sealing abutment with the cylindrical sealing element 3 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 element 4 and the cylindrical sealing element 3 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 box body 1 and the inner box body 2; meanwhile, when the outer box body 1 and the inner box body 2 move relatively to any position of the stroke, the annular sealing element 4 and the cylindrical sealing element 3 are connected in a sealing and abutting mode all the time, the annular sealing element 4 and the cylindrical sealing element 3 are arranged around the outer box body 1 and the inner box body 2 in a circle, and the atmosphere cannot enter the object placing space 10 from the position between the outer box body 1 and the inner box body 2. The annular sealing element 4 and the cylindrical sealing element 3 ensure the sealing performance of the refrigerator on the one hand, isolate the air flow between the inside of the refrigerator and the atmosphere from flowing, the atmosphere can not enter the object placing space 10 through the position where the sealing element is located, and the balance relation between the annular sealing element 4 and the cylindrical sealing element 3 is always ensured in the process of movement of the inner box body 2, so that the technical effect of sealing all the time in the process of stepless volume adjustment and change of the object placing space 10 is realized.

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 the present embodiment, the inner casing 2 includes a support portion 23 disposed below the first door 22, and as shown in fig. 2 or 3, the support portion 23 is disposed below the first door 22, and the support portion 23 is used to support the inner casing 2 pulled out of the outer casing 1.

Further, outer box 1 is including enclosing out outer open-ended holding body 11, and interior box 2 nests inside holding body 11, holds body 11 and include with outer open-ended place plane looks perpendicular lateral wall.

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, the annular seal 4 is in sealing contact with the cylindrical seal 3 in the direction of the entire circumference of the annular cylindrical seal 3 and is in contact with the cylindrical seal 3. The cylindrical sealing element 3 can deform under the abutting of the annular sealing element 4, the deformation can ensure the tight contact of the cylindrical sealing element and the annular sealing element, the abutting part has better sealing performance, and the sealing can be better at the position of one circle of the annular cylindrical sealing element 3.

Further, tube-shape sealing member 3 includes elastic layer 32 and cladding in the smooth wearing layer 31 in the elastic layer 32 outside, cyclic annular sealing member 4 offsets with smooth wearing layer 31, smooth wearing layer 31 can adopt materials such as polyethylene, polypropylene or polyvinyl chloride, the improvement of smoothness makes frictional resistance little when relative motion between interior box 2 and the outer box 1, be convenient for produce relative displacement, the wearability is good to make and to slide many times not worn out, elastic layer 32 can be used to bear the deformation, the material that can adopt is like thermal-insulated sponge.

In addition, the annular sealing piece 4 is arranged at the inner opening, so that the use requirement is met, the relative displacement between the inner box body 2 and the outer box body 1 can be large as much as possible, and the stretching of the inner box body 2 cannot be influenced by the position of the annular sealing piece 4.

Further, the cross section of the annular sealing element 4 is set to be isosceles trapezoid, the upper bottom of the isosceles trapezoid faces the cylindrical sealing element 3, the lower bottom of the isosceles trapezoid is fixedly connected with the outer wall of the inner box body 2, and due to the isosceles trapezoid design, when the inner box body 2 moves outwards or inwards, the same directions of stress are opposite, the contact area with the cylindrical sealing element 3 is reduced, and the contact area with the outer box body 1 is increased.

Further, the cylindrical seal 3 and the annular seal 4 are both made of heat insulating material, so that the heat insulating ability 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 annular sealing member 4 is close to outer opening one side, assists door seal 5 to be used for further hindering the air 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 outer wall of interior box 2 is located to the supplementary door seal 5 ring, and set up in the direction one side that interior box 2 of cyclic annular sealing member 4 shifts out outer box 1, when interior box 2 motion, and when outer box 1 was static, the supplementary door seal 5 was also static all the time, the supplementary door seal 5 that adds reduces and produces the air current convection current between atmosphere and the sealing member, strengthen whole heat preservation effect, and can prevent that external foreign matter from getting into between outer box 1 and the interior box 2, the equipment has been protected, and have pleasing to the eye effect, avoid 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 inner case moves horizontally with respect to the outer case, and the inner case includes a support portion disposed outside the storage space.

3. The refrigerator of claim 1, wherein the outer case includes a receiving body surrounding the outer opening, the receiving body including a sidewall perpendicular to a plane of the outer opening.

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

5. The refrigerator of claim 1, wherein the cylindrical seal comprises an elastic layer and a smooth wear layer coated on the outer side of the elastic layer, and the annular seal abuts against the smooth wear layer.

6. The refrigerator according to claim 1, wherein the cylindrical seal and the annular seal are each provided as a heat insulating material.

7. 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.

8. The refrigerator of claim 7, wherein the annular seal is disposed at the inner opening.

9. The refrigerator according to claim 7, wherein the inner case includes a support portion provided at a lower side of the first door body.

10. The refrigerator of claim 1, further comprising a supplemental dock seal coupled to a side of the annular seal facing the outer opening.