CN106568262B

CN106568262B - Refrigerator

Info

Publication number: CN106568262B
Application number: CN201610931297.2A
Authority: CN
Inventors: 王临东
Original assignee: Qingdao Haier Co Ltd
Current assignee: Qingdao Haier Co Ltd
Priority date: 2016-10-31
Filing date: 2016-10-31
Publication date: 2019-07-02
Anticipated expiration: 2036-10-31
Also published as: CN106568262A

Abstract

The present invention provides a kind of refrigerator, including cabinet, the cabinet includes shell made of metal；The inside of the shell is arranged in limit foam chamber with the shell in the liner made of nonmetallic materials, and the foam chamber makes liquid foaming agent be solidified as foaming layer for accommodating liquid foaming agent；At least one piece of thermal baffle, is fixed on the inner wall of the shell, and limiting with the inner wall of the shell allows liquid foaming agent to flow into space therein.Refrigerator of the invention in the temperature-fall period after foam box, can reduce the difference of the amount of contracting on cooling of shell and liner, and then mitigate and be recessed inwardly in the middle part of cabinet.

Description

Refrigerator

Technical field

The present invention relates to refrigerating devices, more particularly to a kind of refrigerator.

Background technique

Currently, the box body wall of refrigerator generally by the shell of metal material, non-metallic material liner and both be formed in Between foaming layer constitute.In foaming process, it usually will appear the phenomenon that being recessed inwardly in the middle part of shell and liner.Especially For two transverse direction (left and right) side walls of cabinet, because its height is higher, depressed deformation be will be apparent from.

The depressed deformation of cabinet by the subsequent normal assembling process of refrigerator, cabinet and door body sealing so that refrigerator it is outer Sight has an adverse effect.

Summary of the invention

The invention aims to overcome drawbacks described above of the existing technology, a kind of cooling after foam box is provided In the process, the lesser refrigerator of the difference of the amount of contracting on cooling of shell and liner.

Specifically, the present invention provides a kind of refrigerator, including cabinet, the cabinet includes:

Shell made of metal；

The inside of the shell is arranged in limit foaming with the shell in the liner made of nonmetallic materials Chamber, the foam chamber make liquid foaming agent be solidified as foaming layer wherein for accommodating liquid foaming agent；With

At least one piece of thermal baffle, is fixed on the inner wall of the shell, and limits with the inner wall of the shell Liquid foaming agent is allowed to flow into space therein out.

Optionally, the thermal baffle includes integrally formed flat part and fixed part, the flat part and the shell The setting of inner wall interval, the fixed part from the part edge of the flat part extend to the shell inner wall and with it is described outer The inner wall of shell is fixedly connected；And it is formed between the edge for being not connected with the fixed part of the flat part and the inner wall of the shell The opening for allowing liquid foaming agent to flow into.

Optionally, the flat part towards the shell is formed with multiple reinforcement convex ribs on one side.

Optionally, the thermal baffle includes integrally formed flat part and fixed part, the flat part and the shell The setting of inner wall interval, and offer recirculation hole thereon, the fixed part extends to described from whole edges of the flat part The inner wall of shell.

Optionally, the flat part towards the shell is formed with multiple reinforcement convex ribs, the multiple reinforcement on one side Space between the flat part and the inner wall of the shell is divided into multiple chambers isolated from one another, each chamber by convex ribs Room passes through the outside that at least one described recirculation hole is connected to the flat part.

Optionally, the shell includes that shell top plate and the transverse ends from the shell top plate extend downward in the vertical direction Two shell-side plates；And the thermal baffle is respectively fixed on the inner wall of two shell-side plates.

Optionally, one piece of thermal baffle is provided on the inner wall of each shell-side plate, and the thermal baffle is arranged In the central region of the vertical direction of the shell-side plate.

Optionally, the inner wall of each shell-side plate is provided with thermal baffle described in muti-piece, and thermal baffle described in muti-piece exists The inner wall of the shell-side plate is arranged successively from top to bottom.

Optionally, the thermal baffle is fixed on the inner wall of the shell in a manner of pasting.

Optionally, the thermal baffle is made of foam board.

In refrigerator of the invention, the poor thermal baffle of heating conduction, thermal baffle are provided on the inner wall of metal shell It is appropriate to reduce heat dissipation of the high-temperature liquid state foaming agent to shell in foaming process, more by nonmetallic materials liner to Outer heat dissipation, so that the temperature of shell is lower than the temperature of liner.Because the thermal expansion coefficient of metal material is greater than the heat of nonmetallic materials The coefficient of expansion (same cooling extent, metal material shrinkage are bigger).So the two is cooled to room with different initial temperatures Wen Hou, shrinkage can reach unanimity, and so can reduce the degree that is recessed inwardly in the middle part of cabinet.In addition, thermal baffle and shell is interior The space limited between wall can reduce the contact area of thermal baffle and outer casing inner wall, reduce thermal baffle for the chance of shell Pulling when cold events and the planarization for influencing shell.In addition, operative liquid foaming agent can also be made to enter thermal baffle and outer In the space limited between the inner wall of shell, so as to which (after i.e. liquid foaming agent solidifies completely), enhancing is exhausted after the completion of foaming Connective stability between hot partition and outer casing inner wall.

Further, in refrigerator of the invention, thermal baffle may include integrally formed flat part and fixed part, facilitate Manufacturing process.Moreover, fixed part extends to the inner wall of shell from whole edges of flat part, i.e., connection is fully sealed in its edge, Liquid foaming agent is only capable of entering between thermal baffle and the inner wall of shell by the recirculation hole that flat part opens up, and can so reduce hair The influx of infusion.

Further, in refrigerator of the invention, the inner wall of each shell-side plate is provided with muti-piece thermal baffle, muti-piece insulation every Plate is arranged successively from top to bottom in the inner wall of shell-side plate.The height dimension of thermal baffle can such as be reduced, it is easy to process.

According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter The above and other objects, advantages and features of the present invention.

Detailed description of the invention

Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter. Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these What attached drawing was not necessarily drawn to scale.In attached drawing:

Fig. 1 is the box structure diagram of refrigerator；

Fig. 2 is the front view of cabinet shown in Fig. 1, illustrates the deformation tendency of shell and liner；

Fig. 3 is the box structure diagram of the refrigerator of one embodiment of the invention；

Fig. 4 is to increase the box structure diagram after two pieces of thermal baffles on the basis of Fig. 3；

Fig. 5 is the box structure diagram of the refrigerator of another embodiment of the present invention；

Fig. 6 is the inside structure schematic diagram of the thermal baffle in Fig. 5.

Specific embodiment

Below according to Fig. 1 to Fig. 6, the present invention is described in detail, and the front side of refrigerator, the side y are directed toward in the direction x in each figure To the lateral side (right side) for being directed toward refrigerator.Fig. 1 is the box structure diagram of refrigerator, and Fig. 2 is the forward sight of cabinet 10 shown in Fig. 1 Figure, illustrates the deformation tendency of shell 100 and liner 200.As depicted in figs. 1 and 2, the embodiment of the invention provides a kind of ice Case comprising cabinet 10.Cabinet 10 includes the shell 100 made of metal material (such as steel plate) and by nonmetallic materials (example Such as plastics) made of liner 200.The inside of shell 100 is arranged in limit foam chamber with shell 100 in liner 200.Foam chamber For accommodating liquid foaming agent, and liquid foaming agent is made to be solidified as foaming layer wherein, foaming layer can play the work of adiabatic heat-insulation With.Such as Fig. 2, shell 100 can be U-shaped structure comprising shell top plate 130 and the transverse ends (left and right ends) from shell top plate 130 The two shell-side plates 110 extended downward in the vertical direction, to constitute the top and lateral two sides of cabinet 10.After cabinet 10 Portion is made of backboard, and bottom is made of bottom plate, and the structure of backboard and bottom plate is no longer introduced herein.

In foaming process, because liquid Foaming temperatures are higher (being usually above 100 DEG C), in process of setting, it need to pass through Shell 100 and liner 200 radiate outward.There is thermal expansion and contraction in object, but metal material thermal expansion coefficient (object by Change in temperature and have breathing phenomenon, changing capability is to wait pressure, the variation of length magnitude caused by unit temperature variation) Greater than the thermal expansion coefficient of nonmetallic materials, room temperature is such as reduced to the high temperature of same temperature, the amount of contracting on cooling of shell 100 is big In the amount of contracting on cooling of liner 200, this middle part that will lead to entire cabinet 10 is recessed inwardly, as shown in the dotted portion of Fig. 2.Case The depressed deformation of body 10 produces the appearance of the sealing of subsequent normal assembling process, cabinet 10 and door body to refrigerator or even refrigerator Raw adverse effect.

Fig. 3 is the box structure diagram of the refrigerator of one embodiment of the invention, and Fig. 4 is to increase by two on the basis of Fig. 3 10 structural schematic diagram of cabinet after block thermal baffle 300.As shown in Figure 3 and Figure 4, recessed in foaming process to improve cabinet 10 Notch distortion, the embodiment of the present invention have been specifically designed thermal baffle 300.At least one piece of thermal baffle 300 is fixed at shell 100 Inner wall on, and limiting with the inner wall of shell 100 allows liquid foaming agent to flow into space therein.

Thermal baffle 300 can be made of the preferable material of heat-proof quality, and such as foam board, foam board can be polystyrene Foam is made.

It is larger that cabinet 10 is generally height dimension, it is therefore preferable that making before being respectively fixed on the inner walls of two shell-side plates 110 The thermal baffle 300 stated, to mitigate the depressed deformation of 10 side of cabinet.Certainly, it may also set up thermal baffle on shell top plate 130, But it will not be described again in being described below.

The setting of thermal baffle 300 can reduce the contact of liquid foaming agent and shell 100 in foaming process, reduce high temperature Heat dissipation of the liquid foaming agent to shell 100, so that the temperature of shell 100 is lower than the temperature of liner 200.So shell 100 and interior After gallbladder 200 is cooled to room temperature, shrinkage can reach unanimity, and can reduce the degree that is recessed inwardly in the middle part of cabinet 10.

In addition, the space limited between thermal baffle 300 and the inner wall of shell 100 can be such that operative liquid foaming agent enters, So as to enhance the connective stability between thermal baffle 300 and 100 inner wall of shell after foaming agent solidifies.It such as will insulation On the directly seamless inner wall for being attached at shell 100 of partition 300, in radiation processes after expanding, thermal baffle 300 and shell 100 contract on cooling, but the thermal expansion coefficient of the two is equally different, cause the shrinkage of the two very inconsistent, can make shell 100 Partial region by thermal baffle 300 pulling and generate local raised or sunken, influence the flat of whole shell 100 Whole property.And in the embodiment of the present invention, the inner wall of thermal baffle 300 and shell 100, which limits, allows liquid foaming agent to flow into wherein Space, that is to say, that the inner wall contact area of thermal baffle 300 and shell 100 reduces, and so can farthest alleviate The generation of drawbacks described above.The liquid foaming agent of fraction enters in the gap of shell 100 and thermal baffle 300, completes in foaming Afterwards, liquid foaming agent solidifies wherein, can also enhance the stability that shell 100 is connect with thermal baffle 300.

As shown in Figure 3 and Figure 4, thermal baffle 300 may include integrally formed flat part 310 and fixed part 320, using one Body formed is for the ease of production.Wherein, the inner wall interval of flat part 310 and shell 100 is arranged, and allows foaming agent stream to be formed The space entered.Fixed part 320 extends to the inner wall of shell 100 from the part edge of flat part 310, for in shell 100 Wall is fixed.Being formed between the edge of the not connected fixed part 320 of flat part 310 and the inner wall of shell 100 allows liquid foaming agent The opening of inflow.As shown in figure 3, the top edge of flat part 310 and lower edge can be made to extend fixation respectively backward (y-axis negative sense) Portion 320, and the left and right edges (x-axis is positively and negatively) of flat part 310 are without fixed part 320, with shape between the inner wall of shell 100 At the opening for allowing liquid foaming agent to flow into.

The one side (rear surface) towards shell 100 for the intensity for suitably increasing thermal baffle 300, flat part 310 can shape At there is multiple reinforcement convex ribs (not shown).

In some structures, as shown in figure 3, may be provided with one piece of thermal baffle 300 on the inner wall of each shell-side plate 110, And the central region of the vertical direction of shell-side plate 110 is arranged in the thermal baffle 300, is become with the recess that emphasis mitigates central region Shape.It is tested through inventor, sets 1/3 to 1/2 for the ratio between 110 height of the height of thermal baffle 300 and shell-side plate, can obtain Preferable anti-deformation effect.

In other structures, as shown in figure 4, the inner wall of each shell-side plate 110 can also be made to be provided with muti-piece thermal baffle 300, muti-piece thermal baffle 300 is arranged successively from top to bottom in the inner wall of shell-side plate 110.Muti-piece thermal baffle 300 can be more complete The inner wall of face covering shell 100, and keep the height of every piece of thermal baffle 300 unlikely too high, easy to process and assembly.

Fig. 5 is the box structure diagram of the refrigerator of another embodiment of the present invention, and Fig. 6 is the thermal baffle 300 in Fig. 5 Inside structure schematic diagram.

In other embodiments of the invention, as shown in figure 5, thermal baffle 400 may include integrally formed flat part 410 and fixed part 420,430,440,450.Wherein, the inner wall interval of flat part 410 and shell 100 is arranged, and offers thereon Recirculation hole 401, fixed part 420,430,440,450 extend to the inner wall of shell 100 from whole edges of flat part 410, also It is to say, there is no the entrances for allowing liquid foaming agent to enter for the edge of flat part 410.Liquid foaming agent is only capable of passing through recirculation hole 401 enter in the space between the inner wall and thermal baffle 400 of shell 100, can so reduce the influx of liquid foaming agent.

Further, as shown in fig. 6, the one side (i.e. rear surface) towards shell 100 of flat part 410 is formed with multiple add Strong convex ribs 470, multiple reinforcement convex ribs 470 by the space between flat part 410 and the inner wall of shell 100 be divided into it is multiple each other every Exhausted chamber, each chamber pass through the outside that at least one recirculation hole 401 is connected to flat part 410.Can not only so it increase Add the intensity of thermal baffle 400, additionally it is possible to make point of the liquid foaming agent entered between flat part 410 and the inner wall of shell 100 Cloth is more uniform.

In the above-described embodiments, thermal baffle 300,400 can adopt the inner wall being fixed in the method for paste in shell 100 On, as coated liquid glue or in such a way that adhesive tape is fixed, make to install very convenient.

So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes It is set to and covers all such other variations or modifications.

Claims

1. a kind of refrigerator, including cabinet, the cabinet include:

Shell made of metal comprising shell top plate and the transverse ends from the shell top plate are in the vertical direction towards downward The two shell-side plates stretched；

The liner made of nonmetallic materials, is arranged in the inside of the shell to limit foam chamber with the shell, institute Foam chamber is stated for accommodating liquid foaming agent, and liquid foaming agent is made to be solidified as foaming layer wherein；With

Muti-piece thermal baffle is fixed on the inner wall of the shell-side plate, the shell-side plate inner wall from top to bottom according to Secondary arrangement, and limiting with the inner wall of the shell-side plate allows liquid foaming agent to flow into space therein；

The thermal baffle includes integrally formed flat part and fixed part, the inner wall interval of the flat part and the shell-side plate Setting, and recirculation hole is offered thereon, the fixed part extends in the shell-side plate from whole edges of the flat part Wall；

The flat part is formed with multiple reinforcement convex ribs towards the shell-side plate on one side, and the multiple reinforcement convex ribs will be described Space between flat part and the inner wall of the shell-side plate is divided into multiple chambers isolated from one another, and each chamber passes through At least one recirculation hole is connected to the outside of the flat part.

2. refrigerator according to claim 1, wherein

The thermal baffle is fixed on the inner wall of the shell in a manner of pasting.

3. refrigerator according to claim 1, wherein

The thermal baffle is made of foam board.