CN101410680B - Appliance housing and pressure equalisation valve for the same - Google Patents
Appliance housing and pressure equalisation valve for the same Download PDFInfo
- Publication number
- CN101410680B CN101410680B CN2007800108419A CN200780010841A CN101410680B CN 101410680 B CN101410680 B CN 101410680B CN 2007800108419 A CN2007800108419 A CN 2007800108419A CN 200780010841 A CN200780010841 A CN 200780010841A CN 101410680 B CN101410680 B CN 101410680B
- Authority
- CN
- China
- Prior art keywords
- sleeve
- pressure equalisation
- inner sleeve
- sleeves
- equalisation valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000012774 insulation material Substances 0.000 claims abstract description 12
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 5
- 239000006260 foam Substances 0.000 description 7
- 239000011810 insulating material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000001574 biopsy Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910000939 field's metal Inorganic materials 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002937 thermal insulation foam Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
- F25D17/047—Pressure equalising devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
- F25D23/028—Details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Refrigerator Housings (AREA)
- Safety Valves (AREA)
- Valve Housings (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Packages (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Massaging Devices (AREA)
Abstract
A housing for a domestic appliance comprises an insulation material layer, enclosed between a fixed outer skin (6) and a fixed inner skin (7) and a pressure equalisation valve (5), housed in a tube passing through the insulation material layer and in sealing contact with the outer and inner skin. The tube comprises two interpenetrating sleeves (10, 15), of which one has a sealed fixing to the outer skin (6) and the other to the inner skin (7).
Description
Technical field
The present invention relates to a kind of housing that is used for housed device, especially refrigerator, and relate to a kind of pressure equalisation valve that can be used in this housing.
Background technology
When opening, warm air enters at every turn at the door of refrigerating plant, cools down once more when door is closed then and produces vacuum.This vacuum causes door to be difficult to open, till the pressure between inner cavity chamber and the surrounding environment becomes equilibrium once more.Can both easily open if having time in institute in order to make door, someone has proposed to hold pressure equalisation valve in the housing wall of this equipment, in inner cavity chamber, obtain under the situation of vacuum, this pressure equalisation valve can make air from outer side inflow, in case and just close during the isostasy between surrounding environment and the inner cavity chamber, thereby prevent that heat and moisture from uncontrollably entering inner cavity chamber.
Cavity between present widely used rigid outer layer and rigid inner layer is filled with in the refrigerator shell of adiabatic plastic resin material, and assembling such pressure equalisation valve is very expensive operation.In order before cavity filling foam, valve to be installed, must in outer and internal layer, form opening, valve inserts in the described opening, and must produce the foam fluid-tight engagement between valve and inside and outside layer, to prevent that in the foam stowing operation foam from overflowing.If in case valve is installed when foam-in-place, the opening in the inside and outside layer must form after the foam filling, this does not damage in this process under the situation of heat insulation foam and is difficult to carry out.
Another factor that difficulty is increased is that in each case, the size of valve must be complementary with the thickness of its wall that will insert.Therefore,, need the different designs of valve, in addition, for example more be difficult to reequip valve because the wall thickness fluctuation relevant with production that the different condition in foam-filled process produces makes for device model with different wall.
Summary of the invention
On the one hand, the purpose of this invention is to provide a kind of housing that is used for housed device, it has the simple and cheap pressure equalisation valve of installing.
According to the present invention, above-mentioned purpose realizes by a kind of like this housing, described housing has insulation material layer and the pressure equalisation valve that is encapsulated between rigid outer layer and the rigid inner layer, described pressure equalisation valve is contained in the pipe, described pipe by insulation material layer and closely be sealed to outer and internal layer on, wherein, described pipe comprises two sleeves that penetrate mutually, a sleeve in the described sleeve firmly is sealed on the skin, and another firmly is sealed on the internal layer.But make the sleeve that penetrates mutually of vertical shift can adapt to the housing wall thickness of difference or dispersion expediently.Sleeve can total energy closely be installed on skin or the internal layer in the feud, even the distance between skin and the internal layer changes.
Outer sleeve in two sleeves preferably has the conically widening insertion portion that enters insulation material layer.By two sleeves are more easily slided in each other, this insertion portion can more easily assemble valve.This is even more important in structure comprises the process of wall of valve.If a sleeve at first is attached in the skin, another is attached in the internal layer, during then they must be pushed into each other before outer and internal layer can link together towards each other end.Above-mentioned operation in pushing each other is convenient to realize by widened section.
If the outer sleeve in two sleeves at least a portion of its length in the mode that keeps play around inner sleeve, be between sleeve, to form sealing, inner sleeve preferably on this part by contiguous outer field first annular lip around.
Preferably, this antelabium is recessed in its side towards insulation material layer, makes pressure extrusion that it is inflated heat-insulating material on outer sleeve, and this promotes that antelabium closely is sealed to skin.
By making sleeve have protuberance by associated openings, in the outside of skin or internal layer and having second annular lip at outer layer surface to the inboard of insulation material layer, sleeve can be attached to internal layer or skin.Therefore, skin or internal layer are clamped in protuberance and around between the antelabium, and antelabium prevents that simultaneously heat-insulating material from arriving the edge of opening and preventing that heat-insulating material from can overflow by described edge.
Valve preferably includes the folding flexure strip of the inboard that is positioned at sleeve, and the edge of described folding flexure strip abuts against the inboard assembling of sleeve.
For sheet is fixed in the sleeve, the bar of the diameter that extends through inner sleeve can be set, and sheet can be straddled on the bar.And in order to fix this sheet, covered section can be attached to an end of sleeve, and the free cross section of its restriction sleeve makes sheet not withdraw from.
On the other hand, the purpose of this invention is to provide a kind of pressure equalisation valve, described pressure equalisation valve simply mode is installed in the wall of apparatus casing, realizing positiver sealing, and can compensate the variation of wall thickness.
Above-mentioned purpose of the present invention realizes by a kind of like this pressure equalisation valve, described pressure equalisation valve has two sleeves that penetrate mutually of the passage that formation can block, outer sleeve in two sleeves at least a portion in the mode that keeps play around inner sleeve, and inner sleeve on this part by in abutting connection with first annular lip of outer sleeve around; And by a kind of like this pressure equalisation valve realization, described pressure equalisation valve has two sleeves that penetrate mutually of the passage that formation can block, and the outer sleeve in two sleeves has the conically widening insertion portion, and inner sleeve can be pushed in the described insertion portion.
Description of drawings
By the following description of exemplary embodiment being done referring to accompanying drawing, further feature and advantage of the present invention will become apparent.Accompanying drawing comprises:
Fig. 1 is the view of refrigerator of the present invention;
Fig. 2 is the pressure equalisation valve that is used for refrigerator shown in Figure 1, and it is that partial perspective with biopsy cavity marker devices illustrates; And
Fig. 3 is the amplification details of Fig. 1.
The specific embodiment
Fig. 1 shows the housing that is used for refrigerating plant, and described housing has framework 1 and the door 2 that is hinged on the framework, and described door illustrates with the position that partially opens.In its side towards the observer, door has known magnetic seal spare itself, not shown in this Figure, described magnetic seal spare provides the good airtight sealing with the front side 3 of framework in the closed position, thereby, if the air in the inner cavity chamber of equipment 4 cooling supposes not take measures to make the isostasy between inner cavity chamber 4 and the surrounding environment, vacuum will occur in described chamber, this is squeezed in door 2 on the front side 3 with big power.
In order to set up such isostasy, be provided with pressure equalisation valve 5.In the embodiment shown in fig. 1, pressure equalisation valve 5 extends through door 2; It also can be arranged on another wall of framework 1.
Fig. 2 illustrates pressure equalisation valve 5 and position on every side thereof with the partial perspective of biopsy cavity marker devices.The metal outer of door is with Reference numeral 6 expressions.Internal layer is extruded hull shape by plastics, and described plastics are extruded on unshowned in the drawings its edge of shell and are connected to outer field metal securely.The part of inner bag is with Reference numeral 7 expressions.
Shown in structure in, inner bag 7 is clamped between flange 11 and the annular lip 12, described annular lip 12 elasticity be squeezed in inner bag 7 on outer field side.The external diameter of annular lip 12 is greater than the diameter of opening 9, make among Fig. 2 unshowned be filled in outer 6 and inner bag 7 between the space in heat-insulating material can not reach opening 9.
Diameter be formed on the sleeve 10 less than second annular lip 13 of first annular lip 12 and contiguous sleeve 10 towards outer 6 end.This annular lip 13 flexibly abuts against the inboard of the conically widening part 14 of second sleeve 15.Sleeve 15 is attached to outer 6 in the mode identical with sleeve 10, make skin be clamped in to abut against outer 6 the outside flange 16 and abut against between the inboard elastic ring flange 17.The elasticity of annular lip 13 makes that two sleeves 10,15 move relative to each other in assembling process, and this can compensate the variable thickness of door.
The free end of sleeve 10 extends to the cup-shaped widened section 19 of sleeve 15, and described cup-shaped widened section 19 is close to cylindrical parts 18 and has flange 16 and annular lip 17.
The diameter of the inside of sleeve 10 is by vertically wall 20 separations.The flexure strip 21 that is made of plastics rides and remains on vertical wall 20.Sheet 21 is substantially ellipticals, makes its edge closely to rely on well on the sleeve 10 on their whole length.Occur in inner cavity chamber 4 under the situation of negative pressure, the edge of sheet 21 is squeezed on vertical wall 20, and air can be from the flows outside inboard.Possible overvoltage in the inner cavity chamber 4 acts on the whole surface of sheet 21, and sheet 21 is outwards pushed or is resisted against on the sleeve 10.Prevent that by the covered section of the bayonet socket anchoring of the free end that is positioned at sleeve 10 that is not shown specifically sheet 21 from can be released from sleeve 10 by internal over pressure: on the one hand, by the covered section 22 of free cross section of restriction sleeve 10, the Cross slat 23 of the diameter of the central opening 24 by extending across covered section 22 on the other hand.
The external view of the valve shown in Fig. 2 has been described the widened section 19 of sleeve 15, flange 16, the sleeve 15 that is resisted against on outer 6 the outside inserts the part of outer field opening 25 and the covered section 22 that is positioned at widened section 19.
Claims (10)
1. housing that is used for housed device, have and be encapsulated in fixed outer layer (6) and fixedly insulation material layer between the internal layer (7) and pressure equalisation valve (5), described pressure equalisation valve (5) is contained in the pipe, described pipe by insulation material layer and closely be sealed in outer and internal layer on, it is characterized in that, described pipe comprises two sleeves that penetrate mutually (10,15), described sleeve (10,15) sleeve in is attached to skin (6) securely, another sleeve is attached to internal layer (7) securely, two sleeves (10,15) outer sleeve in (15) has the conically widening insertion portion (14) that enters insulation material layer, and inner sleeve (10) is pushed in the described conically widening insertion portion (14).
2. housing as claimed in claim 1, it is characterized in that, two sleeves (10,15) outer sleeve in (15) is gone up in the mode that keeps play around inner sleeve (10) at least a portion (14) of its length, and inner sleeve (10) first annular lip (13) that on described part, is adjacent to outer sleeve (15) around.
3. housing as claimed in claim 2 is characterized in that, first annular lip (13) is recessed in the side towards insulation material layer.
4. as arbitrary described housing in the claim of front, it is characterized in that, sleeve (15,10) at least one sleeve in is by the opening (25 of outer (6) or internal layer (7), 9), described sleeve (15,10) be attached to the opening (25 of described skin (6) or internal layer (7), 9), and in the outside, sleeve (15,10) has the protuberance (16 that abuts against described skin (6) or internal layer (7) assembling, 11) and abut against second annular lip (17,12) towards the assembling of the inboard of insulation material layer of skin (6) or internal layer (7).
5. as 1 described housing in the claim, it is characterized in that pressure equalisation valve (5) comprises the folding flexure strip (21) that is contained in the inner sleeve (10), the edge of described folding flexure strip (21) abuts against the inboard assembling of inner sleeve (10).
6. housing as claimed in claim 5 is characterized in that, bar (20) extends through the diameter of inner sleeve (10), and folding flexure strip (21) straddles on the bar (20).
7. as claim 5 or 6 described housings, it is characterized in that, the covered section (22) of the end of folding flexure strip (21) by being attached to inner sleeve (10) is fixed in the inner sleeve (10) the free cross section of described covered section (22) restriction inner sleeve (10).
8. pressure equalisation valve that is used for refrigerator, described pressure equalisation valve has two sleeves that penetrate mutually (15 of the passage that formation can block, 10), wherein, two sleeves (15,10) outer sleeve in (15) is gone up in the mode that keeps play around inner sleeve (10) at least a portion (14) of its length, and inner sleeve (10) first annular lip (13) that on described part (14), is abutted against outer sleeve (15) assembling around.
9. pressure equalisation valve as claimed in claim 8 is characterized in that, first annular lip (13) is recessed in exposed side.
10. pressure equalisation valve that is used for refrigerator, described pressure equalisation valve has two sleeves that penetrate mutually (15 of the passage that formation can block, 10), and make two outer sleeves (15) in the sleeve have conically widening insertion portion (14), inner sleeve (10) can be pushed in the described insertion portion (14).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202006005549U DE202006005549U1 (en) | 2006-04-05 | 2006-04-05 | Device housing and pressure compensation valve for it |
| DE202006005549.5 | 2006-04-05 | ||
| PCT/EP2007/052317 WO2007115881A2 (en) | 2006-04-05 | 2007-03-13 | Appliance housing and pressure equalisation valve for the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101410680A CN101410680A (en) | 2009-04-15 |
| CN101410680B true CN101410680B (en) | 2010-09-22 |
Family
ID=36600073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800108419A Expired - Fee Related CN101410680B (en) | 2006-04-05 | 2007-03-13 | Appliance housing and pressure equalisation valve for the same |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP2005085B1 (en) |
| CN (1) | CN101410680B (en) |
| DE (1) | DE202006005549U1 (en) |
| PL (1) | PL2005085T3 (en) |
| RU (1) | RU2433361C2 (en) |
| WO (1) | WO2007115881A2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015220351A1 (en) * | 2015-10-20 | 2017-04-20 | BSH Hausgeräte GmbH | Household refrigerator with a refrigerator and a freezer compartment and a pressure balance valve |
| DE102018219746A1 (en) * | 2018-11-19 | 2020-05-20 | BSH Hausgeräte GmbH | Refrigeration device with cable entry |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1408006A (en) * | 1971-11-22 | 1975-10-01 | Fermod | Device for communicating with free air in particular for cold room |
| US20050081555A1 (en) * | 2003-10-20 | 2005-04-21 | Seiss Richard A. | Relief port |
| ITMI20040115A1 (en) * | 2004-01-28 | 2004-04-28 | Whirlpool Co | COMPENSATING VALVE FOR FREEZERS |
-
2006
- 2006-04-05 DE DE202006005549U patent/DE202006005549U1/en not_active Expired - Lifetime
-
2007
- 2007-03-13 CN CN2007800108419A patent/CN101410680B/en not_active Expired - Fee Related
- 2007-03-13 EP EP07726823.3A patent/EP2005085B1/en active Active
- 2007-03-13 PL PL07726823T patent/PL2005085T3/en unknown
- 2007-03-13 RU RU2008142272/13A patent/RU2433361C2/en active
- 2007-03-13 WO PCT/EP2007/052317 patent/WO2007115881A2/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| RU2008142272A (en) | 2010-05-10 |
| EP2005085B1 (en) | 2017-05-10 |
| WO2007115881A2 (en) | 2007-10-18 |
| CN101410680A (en) | 2009-04-15 |
| PL2005085T3 (en) | 2017-10-31 |
| DE202006005549U1 (en) | 2006-06-08 |
| EP2005085A2 (en) | 2008-12-24 |
| RU2433361C2 (en) | 2011-11-10 |
| WO2007115881A3 (en) | 2007-12-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BSH HOME APPLIANCES CO., LTD. Free format text: FORMER NAME: BSH BOSCH SIEMENS HAUSGERAETE |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Munich, Germany Patentee after: BSH HAUSGERATE GmbH Address before: Munich, Germany Patentee before: BSH BOSCH UND SIEMENS HAUSGERATE GmbH |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100922 |