CN104482707B - Refrigerator - Google Patents

Abstract

nullThe present invention relates to a kind of refrigerator，Including body，It includes inner shell、Shell、It is sealingly disposed in vacuum space between inner shell and shell、The supporting part in the gap between maintenance inner shell and shell、And sealing unit，Wherein，Sealing unit includes obstructive component，Obstructive component is arranged in the front of vacuum space and is connected between the leading edge of inner shell and the leading edge of shell，To block the front portion of vacuum space，Wherein，Obstructive component includes the first coupling part and the second coupling part，Obstructive component also includes projection or recess，Described projection is arranged between the first coupling part and the second coupling part and prominent towards vacuum space，Described recess is oppositely disposed between the first coupling part and the second coupling part at the rear portion of obstructive component and vacuum space，Opened by the pressure distribution caused by the barometric gradient formed between vacuum space and space outerpace for making，And wherein，Projection or recess have arcuate in shape.

Description

Refrigerator

Divisional application

The application is Application No. 201110332399.X of submission on October 27th, 2011, sends out The divisional application of the Chinese patent application of bright entitled " including the refrigerator of vacuum space ".

Cross-Reference to Related Applications

This application claims the korean application submitted on October 28th, 2010 The priority of No.10-2010-0105894, this korean patent application is thus as proposed completely at this Equally it is incorporated by reference into.

Technical field

The present invention relates to a kind of refrigerator, and relate more specifically to a kind of following refrigerator, at this ice In case, vacuum space is formed between the shell of refrigerator body and inner shell, is used for strengthening heat insulation merit Energy.

Background technology

Refrigerator is a kind of household electrical appliances, and it is cold preservation or the cold storage formation subzero or zero of storage object More than Du storage room temperature.

Generally, refrigerator is provided with body, and it has and is formed in this body for storage object The storage area of storage；And door, its rotatably or slidably mode install to Body, for beating opening/closing storage area.

Body has: inner shell, and it forms storage area；Shell, it accommodates inner shell；And isolation Material, it is arranged between inner shell and shell.

The temperature of isolated material suppression extraneous thermal effect storage area.

But, in order to by utilizing isolated material to produce isolation effect, therefore, to assure that to a certain degree The isolated material of thickness, it is meant that isolated material also becomes thicker, causes at inner shell and shell Between have thickness wall so that refrigerator also becomes much larger.

Meanwhile, recently make the compact trend of refrigerator require make external dimensions than in the past less while Make the demand that the volume of storage area is bigger.

Summary of the invention

Therefore, the present invention relates to a kind of refrigerator.

It is an object of the invention to provide a kind of refrigerator, in this refrigerator, outside vacuum space is formed at Between shell and inner shell, for strengthening heat insulating function and making the external volume of refrigerator compact.

Disclosure additional advantage, purpose and feature partly will be given in explanation subsequently, And to one skilled in the art read in part will become the most afterwards it is clear that Or can know from the practice of the present invention.The target of the present invention and other advantages can be by written Illustrate and its claim and accompanying drawing particularly point out structure realize and reach.

According to an aspect of the invention, it is provided a kind of refrigerator, including:

Body, described body has the storage area for storing predetermined storage object,

Wherein said body includes:

Inner shell, described inner shell has described storage area；

Shell, described shell has the interior table of predetermined gap spaced apart with the outer surface of described inner shell Face, to accommodate described inner shell；

Vacuum space, described vacuum space is sealingly disposed between described inner shell and described shell, To maintain the vacuum state for making described inner shell and the spaced heat of described shell；

Supporting part, described supporting part maintains the gap between described inner shell and described shell, thus Described vacuum space is formed between described inner shell and described shell；And

Sealing unit, described sealing unit is for being sealed in the anterior of described inner shell and described shell Front portion between the front portion of described vacuum space that formed, and reduce described inner shell and described shell Between rate of heat transfer,

Wherein, described sealing unit include obstructive component, described obstructive component be arranged in described very The front of absolutely empty and being connected between the leading edge of described inner shell and the leading edge of described shell, with Block the front portion of described vacuum space,

Wherein, described obstructive component includes the first coupling part and the second coupling part, described One coupling part is attached to the leading edge of described inner shell and is supported in the leading edge of described inner shell, described Second coupling part is attached to the leading edge of described shell and is supported in the leading edge of described shell,

Wherein, described obstructive component includes that projection or recess, described projection are arranged on described first Highlight between coupling part and described second coupling part and towards described vacuum space, be used for Make by the pressure caused by the barometric gradient formed between described vacuum space and space outerpace Being distributed, described recess is oppositely disposed with described vacuum space at the rear portion of described obstructive component Between described first coupling part and described second coupling part, be used for so that by described very The pressure distribution caused by barometric gradient formed between absolutely empty and space outerpace is opened, and

Wherein, described projection or described recess have arcuate in shape.

In order to realize these purposes and other advantages and according to the purpose of the present invention, as embodied at this And ground is described largo, refrigerator includes having the storage area for storing predetermined storage object Body, wherein body includes: inner shell, and it has storage area；Shell, it has and inner shell Outer surface separate the inner surface of predetermined gap, to accommodate inner shell；Vacuum space, it is hermetically It is arranged between inner shell and shell, to maintain the vacuum shape for making inner shell and the spaced heat of shell State；And sealing unit, it is for being sealed between the front portion of inner shell and the front portion of shell formation The front portion of vacuum space, and reduce the rate of heat transfer between inner shell and shell.

Sealing unit includes: obstructive component, and it is arranged in the front of vacuum space and is connected to Between leading edge and the leading edge of shell of inner shell, to block the front portion of vacuum space；And isolated material Noggin piece, it is arranged on the front of obstructive component.

Sealing unit also includes stiffener, and its front being arranged in noggin piece is close for strengthening The intensity of envelope unit.

Obstructive component includes: the first coupling part, and it is arranged at the side of obstructive component, and this is years old One coupling part is attached to the leading edge of inner shell and is supported in this leading edge；Second coupling part, its Being arranged at the opposite side of obstructive component, this second coupling part is attached to the leading edge of shell and supports In this leading edge；And projection, it is arranged between the first coupling part and the second coupling part also And it is towards vacuum space prominent, for making by being formed between vacuum space and space outerpace Pressure distribution caused by barometric gradient is opened.

Projection has the arched cross-section of fixed thickness.

Sealing unit also includes recess, and this recess has and is arranged in obstructive component with projection on the contrary Anterior predefined curved surface, during wherein noggin piece and stiffener are arranged in this recess.

Obstructive component also includes: first couples groove, and it is in the first coupling part, to couple Leading edge to inner shell；Coupling groove with second, it is in the second coupling part, outside being attached to The leading edge of shell.

Obstructive component includes: the first coupling part, and it is arranged at the side of obstructive component, and this is years old One coupling part is attached to the leading edge of inner shell and is supported in this leading edge；Second coupling part, its Being arranged at the opposite side of obstructive component, this second coupling part is attached to the leading edge of shell and supports In this leading edge；And recess, it is oppositely disposed at vacuum space at the rear portion of obstructive component Between first coupling part and the second coupling part, it is used for so that by empty with outside in vacuum space The pressure distribution caused by barometric gradient formed between is opened.

Recess has the arched cross-section of fixed thickness.

Refrigerator also includes the front portion being arranged on obstructive component, the projection bent towards front side.

Noggin piece is arranged to surround projection, and stiffener is arranged to surround noggin piece.

First coupling part is soldered to inner shell, and the second coupling part is soldered to shell.

In a still further aspect thereof, refrigerator includes: body, and it has for storing predetermined The storage area of storage object；Wall, it forms body；Vacuum space, it is formed at hermetically In wall, to maintain the vacuum state of the spaced heat for the outside with storage area making body； And sealing unit, it is arranged in before wall, to seal the front portion of vacuum space.

Sealing unit also includes: obstructive component, and it is arranged to be connected in the front of vacuum space The leading edge of body, for blocking the front portion of vacuum space；And the noggin piece of isolated material, It is in the front of obstructive component.

Sealing unit also includes that the front being arranged in noggin piece is to strengthen the intensity of sealing unit Stiffener.

Obstructive component includes: the first coupling part, and it is attached to the interior leading edge of wall and is supported on this In interior leading edge；Second coupling part, it is attached to the outer leading edge of wall and is supported in this outer leading edge； And projection, it is arranged between the first coupling part and the second coupling part and empty towards vacuum Between highlight backward, for making by the barometric gradient formed between vacuum space and space outerpace Caused pressure distribution is opened, and wherein projection has the arched cross-section of fixed thickness.

Obstructive component includes: the first coupling part, and it is attached to the interior leading edge of wall and is supported on this In interior leading edge；Second coupling part, it is attached to the outer leading edge of wall and is supported in this outer leading edge； And recess, it is oppositely disposed at the first coupling part in the rear portion of obstructive component and vacuum space And between the second coupling part, for making by being formed between vacuum space and space outerpace Pressure distribution caused by barometric gradient is opened, and its center dant has the arched cross-section of fixed thickness.

The aforementioned general remark and the further detail below that it should be understood that the present invention are exemplary And illustrative, and be intended to provide claimed invention further explanation.

Accompanying drawing explanation

Be included to provide the disclosure is further understood from and is incorporated to and constitute of the application The accompanying drawing divided illustrates and embodiment of the disclosure, and for explaining the former of the disclosure together with explanation Reason.In the accompanying drawings:

The perspective view of Fig. 1 diagram refrigerator according to a preferred embodiment of the invention.

The perspective view of the body of Fig. 2 diagram refrigerator according to a preferred embodiment of the invention, wherein The shell of body is removed from the top side of body and side.

The decomposition diagram of the body of Fig. 3 diagram refrigerator according to a preferred embodiment of the invention.

The decomposition diagram of Fig. 4 diagram sealing unit according to a preferred embodiment of the invention.

The decomposition section view of Fig. 5 diagram sealing unit according to the first advantageous embodiment of the invention Figure.

Cuing open of Fig. 6 diagram sealing unit assembled according to the first advantageous embodiment of the invention View.

Fig. 7 illustrates the decomposition section view of sealing unit according to the second, preferred embodiment of the present invention Figure.

Fig. 8 illustrates cuing open of the sealing unit assembled according to the second, preferred embodiment of the present invention View.

Detailed description of the invention

The specific embodiment of the present invention that its exemplary plot is shown graphically in the attached figures will be made ginseng in detail now Examine.As possible, in all of the figs, identical reference will be used for referring to same or similar Parts.

With reference to Fig. 1, refrigerator includes: body 1, is formed with storage room in this body 1；First Door 4, it is rotatably disposed in body 1；With second 5, its with slidably side Formula is arranged at body 1.

In this case, have for first 4 but be not limited to beat in opening/closing storage room cold Hide the function of room, and second 5 has but is not limited to beat the refrigerating chamber in opening/closing storage room Function.

The perspective view of the body of Fig. 2 diagram refrigerator according to a preferred embodiment of the invention, wherein The shell of body is removed from the top side of body and side.

Body 1 has following structure, and this structure includes: inner shell 110, shape in inner shell 110 Become predetermined storage area 111；With shell 120, formed in this shell 120 in being used for accommodating Space and this shell 120 of shell 110 surround inner shell 110.Inner shell 110 is used as with shell 120 Form the outside of body 1 and the wall of storage area 111 wherein.

Shell 120 and inner shell 110 are spaced apart to form space, and this space does not has cloth wherein Put other isolated material, and only have for vacuum that is heat insulation and that maintain in space.

That is, including the vacuum space 130 formed between shell 120 and inner shell 110 is maintained at The state that the medium of heat is removed is transmitted from this vacuum space 130 between shell 110 and shell 120.

It is therefore possible to prevent in the impact on the temperature of inner shell 110 of the warm air outside shell 120. This means that vacuum space 130 is in the wall of body 1 with shell 120 and inner shell 110 Formed, and by means of this so that occur between the outside of body 1 and storage area 111 Heat-blocking action.

In order to make the vacuum space 130 between inner shell 110 and shell 120 maintain this vacuum space The shape of 130, needs supporting part 140, and this supporting part 140 is used as to maintain inner shell 110 and shell The sept in the gap between 120.Supporting part 140 is arranged to the outer surface with inner shell 110 and outer The inner surface contact of shell 120.

Supporting part 140 may be arranged such that supporting part 140 is arranged to the outer surface from inner shell 110 Prominent, contact face-to-face with the inner surface with shell 120, or be arranged in shell 120 Surface highlights, and contacts face-to-face with the outer surface with inner shell 110.

Or, supporting part 140 may be arranged at inner surface and the appearance of inner shell 110 of shell 120 At face.

In which case it is preferable that, supporting part 140 is arranged at the inner surface of shell 120 Position and the position of supporting part 140 outer surface that is arranged in inner shell 110 do not overlap each other, But alternately.

Meanwhile, ribs 150 can arrange the interior table of the outer surface to inner shell 110 and shell 120 Face, for additionally strengthening inner shell 110 and the intensity of shell 120.

Owing to inner shell 110 is the thickest with the thickness of shell 120, so inner shell 110 and shell 120 It is prone to be distorted by external impact, or the deformation when evacuating to form vacuum space 130.

Therefore, ribs 150 is arranged on the outer surface of inner shell 110 or the interior table of shell 120 On face, it is used for strengthening intensity.

In this case, it is preferable that ribs 150 is multiple, and at inner shell 110 It is spaced apart layout on outer surface or on the inner surface of shell 120.

Meanwhile, getter 160 arranges to vacuum space 130 and is prone to be present in vacuum sky to collect Between gas in 130, thus prevent from advance being prone to by by shell 120 or the change of inner shell 110 Learn the heat transfer caused by gas that reaction is formed.

Preferably, getter 160 arranges the top board to vacuum space 130 or bottom.

Getter 160 has following material, and this material has strong adsorbing from vacuum space 130 The effect of residual gas molecule, or strong carry out chemical reaction to be formed with residual gas molecule The effect of solid chemical compound.

Owing to being technically difficult to only obtain enough vacuum in vacuum space 130 with vacuum pump, And the most also spend height, so use getter 160.

There is various getter 160.If getter 160 has strong adsorption, then inhale Gas agent 160 is referred to as flash getter (flashed getter), and if getter 160 is in Have the gaseous state of strong chemical reaction, then getter 160 is referred to as nonevaporable getter (non-evaporable getter)。

At present, getter 160 is formed by activated carbon, barium, magnesium, zirconium, red phosphorus etc..

Meanwhile, vacuum space 130 has the front portion covered with protecgulum 170, and this protecgulum 170 is even Connect and seal inner shell 110 and the leading edge of shell 120.

With reference to Fig. 3, ribs 150 and supporting part 140 are arranged to be spaced apart and do not weigh Folded.Fig. 3 illustrates inner shell 110 and shell 120.

Although illustrating that ribs 150 (fore-and-aft direction) in one direction is arranged in the appearance of inner shell 110 On the inner surface of face and shell 120, but ribs 150 can be along many directions cloth intersected with each other Put.

Simultaneously, it is possible to, it is possible to not by ribs 150 but by being formed each Part for inner shell 110 or the sweep of shell 120 strengthens inner shell 110 and shell 120.

Preferably, supporting part 140 is arranged on the surface between ribs 150.

In this case, if ribs 150 quilt being arranged on the inner surface of shell 120 It is referred to as outer ribs 150a, and ribs 150 quilt being arranged on the outer surface of inner shell 110 Ribs 150b in being referred to as, then need outer ribs 150a not weigh with interior ribs 150b Separate, in order to do not interfere foldedly.

If owing to overlapping each other or interfering, then the thickness of vacuum space 130 becomes thicker, for The thickness making vacuum space 130 is minimum, prevents interior ribs 150b and outer ribs 150a Between overlap or interference.

It is preferred, therefore, that interior ribs 150b and outer ribs 150a is in vacuum space 130 In be alternately arranged.

Namely it is preferred that at the appointment region of vacuum space 130, within ribs 150 In the outer ribs 150a-of ribs 150b-, the order of the outer ribs 150a of ribs 150b-is arranged.

Concurrently there are the sealing unit 200 between the leading edge being arranged at inner shell 110 and shell 120, For sealing the front portion of vacuum space 130, and protecgulum 170 is arranged in sealing unit 200 Front, for making sealing unit 200 not expose the outside to refrigerator.

Fig. 4 illustrates the decomposition diagram of sealing unit according to a preferred embodiment of the invention.

Sealing unit 200 includes: obstructive component 210, and it is arranged in the front of vacuum space also And connect or be attached to leading edge (or interior leading edge of wall) and the leading edge of shell 120 of inner shell 110 (or outer leading edge of wall), for blocking the front portion of vacuum space 130；The filling structure of isolated material Part 220, it is placed in the recess in the front portion of obstructive component 210；With stiffener 230, It is arranged in the front of noggin piece 220, for strengthening the intensity of sealing unit 200.

With reference to Fig. 4, it is shown that obstructive component 210 cut in the middle of it and noggin piece 220, use In their cross section is shown respectively.Generally, it is preferred that obstructive component 210 and filling structure Part 220 is arranged in vacuum space 130 with continuous state respectively.

With reference to Fig. 5, inner shell 110 is arranged to be spaced apart with shell 120, at inner shell 110 and Predetermined space it is formed with between shell 120.That is, wall is the double wall type being spaced apart, It is formed with space between the walls.After space is sealed, air is passed through from this space in space Evacuate and become vacuum space 130.

When inner shell 110 is arranged to be spaced apart with shell 120, obstructive component 210 Leading edge to inner shell 110 with shell 120 is installed.

In order to obstructive component 210 being easily fitted to inner shell 110 and shell 120, block structure Part 210 includes: the first coupling part 211, and it is attached to the leading edge of inner shell 110 and is supported on this In leading edge (the interior leading edge of wall)；With the second coupling part 212, it is attached to the leading edge of shell 120 And it is supported in this leading edge (the outer leading edge of wall).

Each part in first coupling part 211 and the second coupling part 212 be respectively provided with "” Shape, and be placed in the leading edge of inner shell 110 or shell 120.

First coupling part 211 includes: inner contact surface 211b, itself and the leading edge of inner shell 110 Inner surface (the interior leading edge of wall) contact；Outer contacting surface 211a, its leading edge with inner shell 110 Outer surface contacts；With front contact surface 211c, it is on inner contact surface 211b and outer contacting surface Between 211a, with the front end in contact with inner shell 110.

Additionally, there are by inner contact surface 211b, outer contacting surface 211a and front contact surface 211c surrounds the first connection groove 211d formed, with the leading edge by inner shell 110 be placed on this One couples in groove 211d, thus is attached to the first connection groove 211d.

Second coupling part 212 includes: outer contacting surface 211a, itself and the leading edge of shell 120 Outer surface (the outer leading edge of wall) contact；Inner contact surface 212b, its leading edge with shell 120 Inner surface contacts；With front contact surface 212c, its contact surface 212a and inner contact surface outside Between 212b, with the front end in contact with shell 120.

Additionally, there are by outer contacting surface 212a, inner contact surface 212b and front contact surface 212c surrounds the second connection groove 212d formed, with the leading edge by shell 120 be placed on this Two couple in groove 212d, thus are attached to the second connection groove 212d.

Preferably, the first coupling part 211 passes through with the second coupling part 212 to weld respectively It is attached to inner shell 110 and shell 120.This is to seal required for formation vacuum.

Meanwhile, exist towards very between the first coupling part 211 and the second coupling part 212 The projection 213 of absolutely empty 130.Preferably, projection 213 has arcuate in shape, is used for being distributed By the pressure caused by the barometric gradient formed between vacuum space 130 and space outerpace.

That is, due to the pressure reduction between space outerpace and vacuum space 130, so from space outerpace Pressure is applied to vacuum space 130.If the first coupling part 211 and the second coupling part 212 Between space be smooth, then make pressure concentrate in the specified portions in space owing to being prone to, So projection 213 is formed as having arcuate in shape, being uniformly distributed for pressure.

Preferably, projection 213 has the equally distributed fixed thickness for pressure.

Preferably, to enable weld, obstructive component 210, inner shell 110 and shell 120 are formed by metal, and specifically, it is preferred that, obstructive component 210 has film shape, For realizing sealing function and making by its heat transfer minimum.

In this case, it is preferable that obstructive component 210 has about 0.01～0.1mm In the range of thickness.

Concurrently there are the rightabout along projection, i.e. formed at obstructive component 210 anterior Recess 214, for being placed on noggin piece 220 and stiffener 230 in this recess 214.

Preferably, noggin piece 220 has the bending table consistent with the cross section of recess 214 Face, and stiffener 230 is arranged in the front of noggin piece 220, fills structure for fixing The position of part 220 and the whole intensity of reinforcement sealing unit 200.

Additionally, there is the protecgulum 170 for covering above element in the front of sealing unit 200.

With reference to Fig. 6, sealing inner shell 110 with inner shell 110, shell 120 and sealing unit 200 And after the space between shell 120, if evacuating this space, then form vacuum space 130.

In this condition, by the pressure reduction between atmospheric pressure and vacuum space 130 from sealing unit 200 apply pressure towards vacuum space 130.

But, pressure will not be concentrated in the part specified by the arch projection of obstructive component 210, But it is scattered in throughout arch projection, to have reliable architectural characteristic.

If pressure concentrates in the part specified, then this part is prone to rupture, to discharge vacuum State.

Meanwhile, though exist from inner shell 110 to vacuum space 130 or from shell 120 to very Absolutely empty 130 pressure applied, the supporting part 140 between inner shell 110 and shell 120 also may be used Maintain the shape of vacuum space 130.

If exist between the outside of the inside of inner shell 110 and shell 120 the obvious temperature difference, If i.e. the inside of inner shell 110 is in the cold of 1 DEG C～the refrigerated storage temperature of 6 DEG C or-20 DEG C～-25 DEG C Freeze temperature, and external temperature is in room temperature, be then likely to occur effectively by obvious thermograde Heat transfer.

Heat transfer total between inner shell 110 and shell 120 is cut off by vacuum space 130 and suppresses.

But, it is connected between the front portion of inner shell 110 and the front portion of shell 120 use owing to existing In the sealing unit 200 of the front portion sealing vacuum space 130, so low heat flow rate is by it It is passed.

Make heat transfer not with the straight path the same with B direction due to noggin piece 220 but Realize with the serpentine track the same with the C direction along projection 213, so heat-transfer path becomes ratio The situation of straight line path is long.

If therefore heat-transfer path becomes longer, to cause the heat loss in the middle of heat transfer, then Also make heat transfer minimum and suppress heat transfer, enabling to prevent the outside heat of shell 120 Affect towards inner shell 110.

The noggin piece 220 with heat insulating function is arranged in recess 214 with stiffener 230, And protecgulum 170 is positioned at the front of stiffener 230, to prevent noggin piece 220 and to strengthen Component 230 exposes to outside.

Fig. 7 illustrates the decomposition section view of sealing unit according to the second, preferred embodiment of the present invention Figure.

With reference to Fig. 7, the second embodiment discloses the leading edge (wall being arranged in inner shell 110 with shell 120 Leading edge) on sealing unit 300, be used for being sealed between inner shell 110 and shell 120 formation Vacuum space 130.Sealing unit 300 in terms of structure with disclosed close in the first embodiment Envelope unit 200 is different.

The sealing unit 200 being similar in first embodiment, sealing unit 300 also includes: resistance Plug member 310, it is for blocking the front portion of vacuum space 130；Noggin piece 320, it is arranged In the front of obstructive component 310, it is used for performing isolation features；With stiffener 330, it is used for Cover noggin piece 320 and strengthen the intensity of noggin piece 320.

It is used for covering inner shell 110 and shell 120 additionally, exist in the front of stiffener 330 Protecgulum 170, to cover noggin piece 320 and stiffener 330.

Obstructive component 310 includes: the first coupling part 311, and its welding is coupled to inner shell Front portion or leading edge (the interior leading edge of wall)；With the second coupling part 312, its welding is coupled to shell The front portion of 120 or leading edge (the outer leading edge of wall).

Additionally, there are layout and be connected to the first connection unit 311 and the second connection unit 312 Between curved recessed portion 314.

Additionally, there is projection 313 prominent forward in the rightabout along recess 314.

The function of the projection 213 being similar in first embodiment, recess 314 for distribution by The pressure caused by barometric gradient formed between vacuum space 130 and space outerpace, and be This has curved surface, more specifically has an arcuate in shape.

First coupling part 311 has and is attached to the anterior of inner shell 110Shape bends, and the Two coupling parts 312 have and are attached to the anterior of shell 120 in aspectant modeShape is curved Bent.

Noggin piece 320 is attached to obstructive component 310 in its front portion, is used for being thermally shielded.Fill out Fill component 320 and there is the receiving portion 321 of bending, connect for projection 313 is received in this bending Receive in part 321, to realize coupling between noggin piece 320 with obstructive component 310.

Stiffener 330 is arranged at the front portion of noggin piece 320, is used for strengthening noggin piece 320 Intensity, to protect noggin piece 320 from external impact.

The protecgulum 170 being arranged in stiffener 330 front surrounds noggin piece 320 and strengthens structure Part 330, to cover this noggin piece 320 and stiffener 330.

Preferably, protecgulum 170 has and inner shell 110 and shell 120 in terms of material or appearance Same or similar outward appearance so that when from the external observation protecgulum 170 of refrigerator, protecgulum 170 A unit is shown as with inner shell 110 and shell 120.

With reference to Fig. 8, sealing inner shell 110 with inner shell 110, shell 120 and sealing unit 300 And after the space between shell 120, if evacuating this space, then form vacuum space 130.

In this condition, by the pressure reduction between atmospheric pressure and vacuum space 130 from sealing unit 300 apply pressure towards vacuum space 130.

But, pressure will not be concentrated on the portion specified by the arcuate recess 314 of obstructive component 310 On Fen, but it is scattered in throughout arcuate recess 314, to have reliable architectural characteristic.

If pressure concentrates in the part specified, then this part is prone to rupture, to discharge vacuum State.

Meanwhile, though exist from inner shell 110 to vacuum space 130 or from shell 120 to very Absolutely empty 130 pressure applied, the supporting part 140 between inner shell 110 and shell 120 also may be used Maintain the shape of vacuum space 130.

If exist between the outside of the inside of inner shell 110 and shell 120 the obvious temperature difference, If i.e. the inside of inner shell 110 is in the cold of 1 DEG C～the refrigerated storage temperature of 6 DEG C or-20 DEG C～-25 DEG C Freeze temperature, and external temperature is in room temperature, be then likely to occur effectively by obvious thermograde Heat transfer.

Heat transfer total between inner shell 110 and shell 120 is cut off by vacuum space 130 and suppresses.

But, it is connected between the front portion of inner shell 110 and the front portion of shell 120 use owing to existing In the sealing unit 300 of the front portion sealing vacuum space 130, so low heat flow rate is by it It is passed.

Make heat transfer not with the straight path the same with B direction due to noggin piece 320 but Realize with the serpentine track the same with the C direction along recess 314, so heat-transfer path becomes ratio The situation of straight line path is long.

If therefore heat-transfer path becomes longer, to cause the heat loss in the middle of heat transfer, then Also make heat transfer minimum and suppress heat transfer, enabling to prevent the outside heat of shell 120 Affect towards inner shell 110.

The noggin piece 320 with heat insulating function is arranged on obstructive component 310 with stiffener 330 In, and protecgulum 170 is positioned at the front of stiffener 330, with prevent noggin piece 320 with Stiffener 330 exposes to outside.

Structure as described in the first embodiment and the second embodiment can suppress easy to greatest extent Table in the surface of the inner shell 110 occurred between sealing unit (200 or 300) with shell 120 Heat transfer between face, this sealing unit (200 or 300) connects inner shell 110 and shell 120 Leading edge.

Obstructive component 210 or 310 in sealing unit 200 or 300 arcuate configuration distribution by Occur in caused by the pressure reduction between vacuum space 130 and space outerpace to obstructive component 210 Or 310 pressure applied, thus prevent physical deformation.

Beneficial effect

As already described, the refrigerator of the present invention has the following advantages.

The refrigerator of the present invention does not has common isolated material, but has and be formed at inner shell and shell Between vacuum space, for the heat transfer suppressing between inner shell and shell.

Owing to the effect of heat insulation of vacuum is substantially good than common isolated material, so the ice of the present invention Case has the effect of heat insulation better than the refrigerator of prior art.

Meanwhile, in the case of vacuum space, not tube thickness, only when maintaining vacuum state Just make heat insulation available (gap between inner shell and shell, in the case of common isolated material, Needing the thickness making isolated material thicker, to strengthen effect of heat insulation, this thickness increases and increases refrigerator Size).

Therefore, compared with the refrigerator of prior art, owing to the refrigerator of the present invention is maintaining storage sky Between identical while allow the external dimensions of refrigerator less, so being provided that compact refrigerator.

Meanwhile, if heat is by being connected between inner shell and shell block the resistance of vacuum space Plug member transmits, then rate of heat transfer can be made minimum.

It should be apparent to those skilled in the art that without departing from the spirit of the present invention or model In the case of enclosing, can various modification can be adapted in the present invention and modification.Thus, it is intended that If the described amendment of the present invention and modification fall at appended claim and the model of their equivalent In enclosing, then the present invention covers amendment and the modification of the present invention.

Claims (23)

1. a refrigerator, including:

Body, described body has the storage area for storing predetermined storage object,

Wherein said body includes:

Inner shell, described inner shell forms described storage area；

Shell, described shell has the interior table of predetermined gap spaced apart with the outer surface of described inner shell Face, to accommodate described inner shell；

Vacuum space, described vacuum space is arranged between described inner shell and described shell, and It is sealed to maintain the vacuum state for making described inner shell and the spaced heat of described shell；

Supporting part, described supporting part maintains the gap between described inner shell and described shell, thus Described vacuum space is formed between described inner shell and described shell；And

Sealing unit, described sealing unit is for being sealed in the anterior of described inner shell and described shell Front portion between the front portion of described vacuum space that formed, and reduce described inner shell and described shell Between rate of heat transfer,

Wherein, described sealing unit include obstructive component, described obstructive component be arranged in described very The front of absolutely empty and being connected between the leading edge of described inner shell and the leading edge of described shell, with Block the front portion of described vacuum space,

Wherein, described obstructive component includes the first coupling part and the second coupling part, described One coupling part is attached to the leading edge of described inner shell and is supported in the leading edge of described inner shell, described Second coupling part is attached to the leading edge of described shell and is supported in the leading edge of described shell,

Wherein, described obstructive component includes that projection or recess, described projection are arranged on described first Highlight between coupling part and described second coupling part and towards described vacuum space, be used for Make by the pressure caused by the barometric gradient formed between described vacuum space and space outerpace Being distributed, described recess is arranged and is connected to described first coupling part and described second connection part /, for making by the barometric gradient formed between described vacuum space and space outerpace Caused pressure distribution is opened, and

Wherein, described projection or described recess have arcuate in shape.

Refrigerator the most according to claim 1, wherein, described projection or described recess have The arched cross-section of fixed thickness.

Refrigerator the most according to claim 2, wherein, described obstructive component has about Thickness in the range of 0.01～0.1mm.

Refrigerator the most according to claim 1, wherein, described first coupling part is soldered To described inner shell, and described second coupling part is soldered to described shell.

Refrigerator the most according to claim 4, wherein, described first coupling part include with The front contact surface of the front end in contact of described inner shell, and described second coupling part includes and institute State the front contact surface of the front end in contact of shell.

Refrigerator the most according to claim 5, wherein, described first coupling part includes:

Inner contact surface, described inner contact surface contacts with the inner surface of the leading edge of described inner shell； With

Outer contacting surface, described outer contacting surface contacts with the outer surface of the leading edge of described inner shell.

Refrigerator the most according to claim 6, wherein, described first coupling part described Front contact surface is arranged between described inner contact surface and described outer contacting surface.

Refrigerator the most according to claim 5, wherein, described second coupling part includes:

Inner contact surface, described inner contact surface contacts with the inner surface of the leading edge of described shell； With

Outer contacting surface, described outer contacting surface contacts with the outer surface of the leading edge of described shell.

Refrigerator the most according to claim 8, wherein, described second coupling part described Front contact surface is arranged between described inner contact surface and described outer contacting surface.

Refrigerator the most according to claim 1, also includes that protecgulum, described protecgulum are arranged in The front of described sealing unit, for preventing described sealing unit from exposing the outside to described refrigerator.

11. refrigerators according to claim 1, wherein, described obstructive component also includes:

The first connection groove in described first coupling part, in order to be attached to described inner shell Leading edge；And

The second connection groove in described second coupling part, in order to be attached to described shell Leading edge.

12. according to the refrigerator described in any one in claim 1 to 11, wherein, described Support part is arranged to contact with the inner surface of the outer surface of described inner shell and described shell.

13. according to the refrigerator described in any one in claim 1 to 11, wherein, described close Envelope unit includes the noggin piece of isolated material, and described noggin piece is arranged on described obstructive component Front.

14., according to the refrigerator described in any one in claim 1 to 11, also include ribs, Described ribs is arranged on the outer surface of described inner shell or the inner surface of described shell, is used for adding Strong intensity.

15., according to the refrigerator described in any one in claim 1 to 11, also include forming section Point, each sweep being described inner shell or described shell of described shaped portion.

16. 1 kinds of refrigerators, including:

Inner shell, described inner shell forms storage area；

Shell, described shell has the interior table of predetermined gap spaced apart with the outer surface of described inner shell Face；

Vacuum space, described vacuum space is arranged between described inner shell and described shell, and It is sealed to maintain the vacuum state for making described inner shell and the spaced heat of described shell；

Supporting part, described supporting part maintains the gap between described inner shell and described shell, thus Described vacuum space is formed between described inner shell and described shell；And

Sealing unit, described sealing unit is used for sealing described vacuum space, described interior to reduce Rate of heat transfer between shell and described shell,

Wherein, described sealing unit include obstructive component, described obstructive component be arranged in described very The front of absolutely empty to block described vacuum space,

Wherein, described obstructive component includes that projection or recess, described projection are arranged on described obstruction Between first coupling part and second coupling part of described obstructive component of component and towards institute State vacuum space to highlight, for making by the outside in described vacuum space Yu described vacuum space The pressure distribution caused by barometric gradient formed between space is opened, and described recess is arranged and connects Couple with described the second of described obstructive component at described first coupling part of described obstructive component Between part, for make by the space outerpace in described vacuum space and described vacuum space it Between formed the pressure distribution caused by barometric gradient open, and

Wherein, described projection or described recess have arcuate in shape.

17. refrigerators according to claim 16, wherein, described projection or described recess tool There is the arched cross-section of fixed thickness.

18. refrigerators according to claim 17, wherein, described obstructive component has thin film Shape for making to be minimized by its heat transfer carried out, and have about 0.01～ Thickness in the range of 0.1mm.

19. according to the refrigerator described in any one in claim 16 to 18, wherein, described Sealing unit includes that the noggin piece of isolated material, described noggin piece are arranged on described obstruction structure The front of part.

20. refrigerators according to claim 19, wherein, described noggin piece is disposed in In another recess formed on the rightabout of described projection self due to described projection, or Person, described noggin piece has the receiving portion of bending, to receive due to described recess in institute State another projection formed on the rightabout of recess self.

21. according to the refrigerator described in any one in claim 16 to 18, wherein, described The described projection of obstructive component or described recess are configured to not contact with described supporting part.

22., according to the refrigerator described in any one in claim 16 to 18, also include air-breathing Agent, described getter is arranged at described vacuum space and is prone to be present in vacuum sky for collection Gas between.

23. according to the refrigerator described in any one in claim 16 to 18, wherein, described First coupling part is soldered to described inner shell, and described second coupling part is soldered to institute State shell.