CN102767931A - Doorway assembly of low-temperature refrigerating storage box - Google Patents
Doorway assembly of low-temperature refrigerating storage box Download PDFInfo
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- CN102767931A CN102767931A CN201210247768XA CN201210247768A CN102767931A CN 102767931 A CN102767931 A CN 102767931A CN 201210247768X A CN201210247768X A CN 201210247768XA CN 201210247768 A CN201210247768 A CN 201210247768A CN 102767931 A CN102767931 A CN 102767931A
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Abstract
The invention discloses a doorway assembly of a low-temperature refrigerating storage box. The doorway assembly consists of a frame-type box body transition piece arranged on a box body doorway, a frame-type box door transition piece arranged on the box body doorway and a magnetic stripe airbag type refrigerator door seal frame arranged between the box body transition piece and the box door transition piece; the frame-type box body transition piece consists of a strip upper frame box body transition piece and a strip lower frame box body transition piece which are vertically symmetrical and a strip left frame box body transition piece and a strip right frame box body transition piece which are bilaterally symmetrical; the frame-type box door transition piece consists of a strip upper frame box door transition piece and a strip lower frame box door transition piece which are vertically symmetrical and a strip left frame box door transition piece and a strip right frame box door transition piece which are bilaterally symmetrical; and tenon of the magnetic stripe airbag type refrigerator door seal frame is inserted into mortise of the outer side wall of the outer edge of the frame-type box door transition piece. The doorway assembly is low in cold leakage and low in cost, can greatly reduce thermal stress and avoid deformation and breakage of the doorway transition pieces, and is suitable for batch manufacturing of low-temperature refrigerating storage boxes.
Description
Technical field
The present invention relates to a kind of cryogenic freezing container doorway assembling unit structure, particularly a kind of cryogenic freezing container doorway assembling unit structure that adopts seal strip for refrigerator door to combine multiple row, the spliced doorway of multistage transition piece.
Background technology
The cryogenic freezing preservation is topmost methods such as maintenance biomaterial activity, and the cryogenic freezing container has become the fundamental equipments in fields such as biomedical engineering, agriculture and animal husbandry, aquatic products.The cryogenic freezing container typically refers to effective storage temperature at the mechanical type refrigeration low-temperature refrigerated storage equipment below-30 ℃, and it also is commonly called as is low temperature refrigerator or ultra low temperature freezer.
Cryogenic freezing container technology is to answer the demand of biomedical technology in nearest decades, to develop rapidly, and has obtained using quite widely.Along with the variation of demand and the development of refrigeration and cryogenic technique, it is technical also in continuous progress, and is in a fast-developing phase.The main distinction of cryogenic freezing container and conventional refrigerator is that mainly its box house temperature is lower; Usually its internal-external temperature difference is all more than 80 ℃; Even surpassing 200 ℃, this huge temperature difference is mainly reflected in following two aspects to the influence of its doorway sub-assembly: 1. make the doorway transition piece of the inside and outside courage of connect box that the very big temperature difference is arranged from the inside to surface.Because the characteristic of expanding with heat and contract with cold of material, for integrally-built doorway transition piece, the inevitable portion within it of this huge temperature difference forms very high thermal stress, thereby makes its distortion even fracture; 2. the heat bridge and the air gap of the doorway transition piece formation of conventional structure can bring bigger leakage heat loss.This part of the doorway sub-assembly that existing cryogenic freezing container is best is leaked heat loss and is also accounted for more than 50% of total leakage heat loss, and this just makes that its energy consumption is difficult to reduce.
Mainly contain two types cryogenic freezing container doorway assembling unit structure in the world at present: 1) by low thermal conductivity and under serviceability temperature the elasticity good material be the laminated type doorway transition piece of main component.The form that this structure adopts on the high-end model of its-86 ℃ of series with U.S. Forma company is representative; The main body of its doorway transition piece is the monoblock type doorway part processed by the high-quality foamed silastic; Adopt afterburning pressing between chamber door and the casing, the monoblock type doorway part that foamed silastic is processed be transition piece from low temperature to room temperature also be seal.Because the main component material of this version is more expensive, the moulding process difficulty is big, and very high to the machining accuracy and the deformation requirement of chamber door, casing, make and realize that cost is difficult to reduce; 2) adopt seal strip for refrigerator door to combine the combined type doorway sub-assembly of the doorway transition piece that low temperature material processes.This structure with day the form that adopts of Sanyo be representative, magnetic strip gasket similar and refrigerator is adopted in the sealing between its chamber door and casing, then adopts low temperature resistant special material moulding such as polycarbonate to form from the transition piece and the door inner bag of low temperature to room temperature.The weak point of this version is the more expensive and monoblock type difficult forming of transition piece material, so cost is also higher, and does not solve the thermal stress deformation problem fully.
The present invention proposes a kind of cryogenic freezing container doorway assembling unit structure that adopts seal strip for refrigerator door to combine multiple row, the spliced doorway of multistage transition piece; It can adopt seal strip for refrigerator door to realize sealing; Doorway transition piece main body adopts the section bar of being processed by conventional material to be spliced with multiple row, multistage, the contraction distortion that causes with the released heat stress and the homogenizing temperature difference.The fast shaping of specification, be pilot is made demand more than very suitable this type of cryogenic freezing container of this frame mode, and not only cost is more cheap, and can significantly reduce distortion and fracture that thermal stress is avoided the doorway transition piece.
Summary of the invention
The object of the present invention is to provide a kind of cryogenic freezing container doorway sub-assembly that adopts seal strip for refrigerator door to combine multiple row, the spliced doorway of multistage transition piece; It adopts seal strip for refrigerator door to realize sealing, and doorway transition piece main body adopts the section bar of being processed by conventional material to be spliced with multiple row, multistage; This frame mode not only cost is more cheap, and can significantly reduce distortion and fracture that thermal stress is avoided the doorway transition piece.
Technical scheme of the present invention is following:
Cryogenic freezing container provided by the invention doorway sub-assembly, its by be loaded on frame casing transition piece on the container casing doorway, be loaded on the frame chamber door transition piece on the refrigerated storage case chamber door and be loaded on frame casing transition piece and frame chamber door transition piece between magnetic stripe gasbag-type seal strip for refrigerator door frame form;
The square frame casing transition piece of said frame casing transition piece for combining by laterally zygomorphic strip upper ledge casing transition piece and strip lower frame casing transition piece and symmetrical strip left side frame casing transition piece and strip right side frame casing transition piece;
Said strip upper ledge casing transition piece, strip lower frame casing transition piece, strip left side frame casing transition piece and the right frame casing of strip transition piece form by casing transition piece unit construction;
Said casing transition piece parts are made up of casing outer rim transition piece, casing middle transition part and casing inner edge transition piece;
Cutting is established in described casing outer rim transition piece upper end, and the falcon groove is established in the lower end;
Described casing middle transition part is made up of a plurality of dynatron transition pieces, and each dynatron transition piece all upper end is established the falcon head, and the falcon groove is established in the lower end; The falcon groove of another dynatron transition piece of falcon head insertion of dynatron transition piece falcon successively connects formation casing middle transition part; Falcon connects the casing middle transition part upper end that forms has the falcon head, and there is the falcon groove lower end;
The falcon groove is established in said casing inner edge transition piece upper end, and cutting is established in the lower end;
Said casing outer rim transition piece, casing middle transition part and casing inner edge transition piece are equipped with and run through the through hole of axial end separately;
Described casing outer rim transition piece, casing middle transition part and casing inner edge transition piece insert the grafting formation casing transition piece parts of falcon groove successively through the falcon head; Said casing transition piece parts outer rim and inner edge all have cutting;
Said casing transition piece parts are combined into said strip upper ledge casing transition piece, strip lower frame casing transition piece, strip left side frame casing transition piece and the right frame casing of strip transition piece through the said through hole and the connector serial connection of passing through hole;
The end of said strip upper ledge casing transition piece, strip lower frame casing transition piece, strip left side frame casing transition piece and the right frame casing of strip transition piece is provided with 45 ° of inclined-planes, and said strip upper ledge casing transition piece, strip lower frame casing transition piece, strip left side frame casing transition piece and the right frame casing of strip transition piece are through the described frame casing of the fixedly formation transition piece on said 45 ° of inclined-planes; The outer rim of said frame casing transition piece has the outer rim that combines to transplant a cutting, and inner edge has the inner edge that combines to transplant a cutting; The outer rim of said frame casing transition piece is transplanted a cutting and is inserted in the outer rim slot of the outer courage of casing; The inner edge of said frame casing transition piece is transplanted a cutting and is inserted in the slot of box liner;
The square frame chamber door transition piece of said frame chamber door transition piece for combining by laterally zygomorphic strip upper ledge chamber door transition piece and strip lower frame chamber door transition piece and symmetrical strip left side frame chamber door transition piece and strip right side frame chamber door transition piece;
Described strip upper ledge chamber door transition piece, strip lower frame chamber door transition piece, strip left side frame chamber door transition piece and the right frame chamber door of strip transition piece are formed by the chamber door transition member;
Described chamber door transition member is that outer rim and inner edge are equipped with cutting, and chamber door transition member mid portion is provided with the through hole that runs through axial end, and its nearly outer rim lateral wall is provided with the falcon groove;
Said chamber door transition member is combined into strip upper ledge chamber door transition piece, strip lower frame chamber door transition piece, strip left side frame chamber door transition piece and the right frame chamber door of strip transition piece through the said through hole and the connector serial connection of passing through hole;
Said strip upper ledge chamber door transition piece, strip lower frame chamber door transition piece, strip left side frame chamber door transition piece and the right frame chamber door of strip transition piece end are provided with 45 ° of inclined-planes, and said strip upper ledge chamber door transition piece, strip lower frame chamber door transition piece, strip left side frame chamber door transition piece and the right frame chamber door of strip transition piece are through the described frame chamber door of the fixedly formation transition piece on said 45 ° of inclined-planes; The outer rim of said frame chamber door transition piece has the outer rim that combines to transplant a cutting, and inner edge has the inner edge that combines to transplant a cutting; The outer rim of said frame chamber door transition piece is transplanted a cutting and is inserted in the outer rim slot of the outer courage of chamber door; The inner edge of said frame chamber door transition piece is transplanted a cutting and is inserted in the slot of chamber door inner bag;
Falcon head on the said magnetic stripe gasbag-type seal strip for refrigerator door frame inserts in the falcon groove on the outer rim lateral wall of said frame chamber door transition piece.
The material of said frame casing transition piece and frame chamber door transition piece is the low heat conductivity composite.
Said low heat conductivity composite is plastics, carbon fiber, glass fibre, ABS resin or polyethylene fibre.
The casing outer rim transition piece of said frame casing transition piece has the θ inclination angle that matches and contact with the outer rim of the outer courage of chamber door, 0≤θ≤90 degree.
Cryogenic freezing container provided by the invention doorway sub-assembly can effectively reduce cold and leak; And cost is more cheap; And can significantly reduce distortion and the fracture that thermal stress is avoided the doorway transition piece, the fast shaping that is fit to very much specification more than this type of cryogenic freezing container, be pilot is made demand.
Description of drawings
Fig. 1 is the structural representation of cryogenic freezing container of the present invention doorway sub-assembly.
The specific embodiment:
Embodiment, the doorway sub-assembly of a kind of being applied to-80 ℃ cryogenic freezing container:
This is applied to the doorway sub-assembly of-80 ℃ of cryogenic freezing containers, adopts seal strip for refrigerator door to combine the doorway transition piece form of special construction.Cryogenic freezing container doorway sub-assembly main body adopts the section bar of being processed by conventional material to be spliced with multiple row, multistage.
This cryogenic freezing container doorway sub-assembly, its by be loaded on frame casing transition piece C2 on the exterior rim of refrigerated storage box body doorway, be loaded on the frame chamber door transition piece C6 on the refrigerated storage case chamber door exterior rim and be loaded on frame casing transition piece C2 and frame chamber door transition piece C6 between magnetic stripe gasbag-type seal strip for refrigerator door frame C5 form;
The square frame casing transition piece of said frame casing transition piece C2 for combining by laterally zygomorphic strip upper ledge casing transition piece and strip lower frame casing transition piece and symmetrical strip left side frame casing transition piece and strip right side frame casing transition piece;
Said strip upper ledge casing transition piece, strip lower frame casing transition piece, strip left side frame casing transition piece and the right frame casing of strip transition piece form by casing transition piece unit construction;
Said casing transition piece parts are made up of casing outer rim transition piece, casing middle transition part and casing inner edge transition piece;
Cutting is established in described casing outer rim transition piece upper end, and the falcon groove is established in the lower end;
Described casing middle transition part is made up of a plurality of dynatron transition pieces, and each dynatron transition piece all upper end is established the falcon head, and the falcon groove is established in the lower end; The falcon groove of another dynatron transition piece of falcon head insertion of dynatron transition piece falcon successively connects formation casing middle transition part; Falcon connects the casing middle transition part upper end that forms has the falcon head, and there is the falcon groove lower end;
The falcon groove is established in said casing inner edge transition piece upper end, and cutting is established in the lower end;
Said casing outer rim transition piece, casing middle transition part and casing inner edge transition piece are equipped with and run through the through hole of axial end separately;
Described casing outer rim transition piece, casing middle transition part and casing inner edge transition piece insert the grafting formation casing transition piece parts of falcon groove successively through the falcon head; Said casing transition piece parts outer rim and inner edge all have cutting;
Said casing transition piece parts are combined into said strip upper ledge casing transition piece, strip lower frame casing transition piece, strip left side frame casing transition piece and the right frame casing of strip transition piece through the said through hole and the connector serial connection of passing through hole;
The end of said strip upper ledge casing transition piece, strip lower frame casing transition piece, strip left side frame casing transition piece and the right frame casing of strip transition piece is provided with 45 ° of inclined-planes, and said strip upper ledge casing transition piece, strip lower frame casing transition piece, strip left side frame casing transition piece and the right frame casing of strip transition piece are through the described frame casing of the fixedly formation transition piece C2 on said 45 ° of inclined-planes; The outer rim of said frame casing transition piece C2 has the outer rim that combines to transplant a cutting, and inner edge has the inner edge that combines to transplant a cutting; The outer rim of said frame casing transition piece C2 is transplanted a cutting and is inserted in the outer rim slot of the outer courage C1 of casing; The inner edge of said frame casing transition piece C2 is transplanted a cutting and is inserted in the slot of box liner C3;
The square frame chamber door transition piece of said frame chamber door transition piece C6 for combining by laterally zygomorphic strip upper ledge chamber door transition piece and strip lower frame chamber door transition piece and symmetrical strip left side frame chamber door transition piece and strip right side frame chamber door transition piece;
Described strip upper ledge chamber door transition piece, strip lower frame chamber door transition piece, strip left side frame chamber door transition piece and the right frame chamber door of strip transition piece are formed by the chamber door transition member;
Described chamber door transition member is that outer rim and inner edge are equipped with cutting, and chamber door transition member mid portion is provided with the through hole that runs through axial end, and its nearly outer rim lateral wall is provided with the falcon groove;
Said chamber door transition member is combined into strip upper ledge chamber door transition piece, strip lower frame chamber door transition piece, strip left side frame chamber door transition piece and the right frame chamber door of strip transition piece through the said through hole and the connector serial connection of passing through hole;
Said strip upper ledge chamber door transition piece, strip lower frame chamber door transition piece, strip left side frame chamber door transition piece and the right frame chamber door of strip transition piece end are provided with 45 ° of inclined-planes, and said strip upper ledge chamber door transition piece, strip lower frame chamber door transition piece, strip left side frame chamber door transition piece and the right frame chamber door of strip transition piece are through the described frame chamber door of the fixedly formation transition piece C6 on said 45 ° of inclined-planes; The outer rim of said frame chamber door transition piece C6 has the outer rim that combines to transplant a cutting, and inner edge has the inner edge that combines to transplant a cutting; The outer rim of said frame chamber door transition piece C6 is transplanted a cutting and is inserted in the outer rim slot of the outer courage C4 of chamber door; The inner edge of said frame chamber door transition piece C6 is transplanted a cutting and is inserted in the slot of chamber door inner bag C7;
Falcon head on the said magnetic stripe gasbag-type seal strip for refrigerator door frame C5 inserts in the falcon groove on the outer rim lateral wall of said frame chamber door transition piece C6.
The casing outer rim transition piece of the frame casing transition piece C2 of present embodiment has the θ inclination angle that matches with the outer courage C4 outer rim of chamber door, and 0≤θ≤90 degree all can.
The material of the frame casing transition piece C2 of present embodiment and frame chamber door transition piece C6 is the low heat conductivity composite; Any material that the optional plastics of low heat conductivity composite, carbon fiber, glass fibre, ABS resin and polyethylene fibre are many.
Claims (4)
1. cryogenic freezing container doorway sub-assembly; Its by be loaded on frame casing transition piece on the container casing doorway, be loaded on the frame chamber door transition piece on the refrigerated storage case chamber door and be loaded on frame casing transition piece and frame chamber door transition piece between magnetic stripe gasbag-type seal strip for refrigerator door frame form, it is characterized in that:
The square frame casing transition piece of said frame casing transition piece for combining by laterally zygomorphic strip upper ledge casing transition piece and strip lower frame casing transition piece and symmetrical strip left side frame casing transition piece and strip right side frame casing transition piece;
Said strip upper ledge casing transition piece, strip lower frame casing transition piece, strip left side frame casing transition piece and the right frame casing of strip transition piece form by casing transition piece unit construction;
Said casing transition piece parts are made up of casing outer rim transition piece, casing middle transition part and casing inner edge transition piece;
Cutting is established in described casing outer rim transition piece upper end, and the falcon groove is established in the lower end;
Described casing middle transition part is made up of a plurality of dynatron transition pieces, and each dynatron transition piece all upper end is established the falcon head, and the falcon groove is established in the lower end; The falcon groove of another dynatron transition piece of falcon head insertion of dynatron transition piece falcon successively connects formation casing middle transition part; Falcon connects the casing middle transition part upper end that forms has the falcon head, and there is the falcon groove lower end;
The falcon groove is established in said casing inner edge transition piece upper end, and cutting is established in the lower end;
Said casing outer rim transition piece, casing middle transition part and casing inner edge transition piece are equipped with and run through the through hole of axial end separately;
Described casing outer rim transition piece, casing middle transition part and casing inner edge transition piece insert the grafting formation casing transition piece parts of falcon groove successively through the falcon head; Said casing transition piece parts outer rim and inner edge all have cutting;
Said casing transition piece parts are combined into said strip upper ledge casing transition piece, strip lower frame casing transition piece, strip left side frame casing transition piece and the right frame casing of strip transition piece through the said through hole and the connector serial connection of passing through hole;
The end of said strip upper ledge casing transition piece, strip lower frame casing transition piece, strip left side frame casing transition piece and the right frame casing of strip transition piece is provided with 45 ° of inclined-planes, and said strip upper ledge casing transition piece, strip lower frame casing transition piece, strip left side frame casing transition piece and the right frame casing of strip transition piece are through the described frame casing of the fixedly formation transition piece on said 45 ° of inclined-planes; The outer rim of said frame casing transition piece has the outer rim that combines to transplant a cutting, and inner edge has the inner edge that combines to transplant a cutting; The outer rim of said frame casing transition piece is transplanted a cutting and is inserted in the outer rim slot of the outer courage of casing; The inner edge of said frame casing transition piece is transplanted a cutting and is inserted in the slot of box liner;
The square frame chamber door transition piece of said frame chamber door transition piece for combining by laterally zygomorphic strip upper ledge chamber door transition piece and strip lower frame chamber door transition piece and symmetrical strip left side frame chamber door transition piece and strip right side frame chamber door transition piece;
Described strip upper ledge chamber door transition piece, strip lower frame chamber door transition piece, strip left side frame chamber door transition piece and the right frame chamber door of strip transition piece are formed by the chamber door transition member;
Described chamber door transition member is that outer rim and inner edge are equipped with cutting, and chamber door transition member mid portion is provided with the through hole that runs through axial end, and its nearly outer rim lateral wall is provided with the falcon groove;
Said chamber door transition member is combined into strip upper ledge chamber door transition piece, strip lower frame chamber door transition piece, strip left side frame chamber door transition piece and the right frame chamber door of strip transition piece through the said through hole and the connector serial connection of passing through hole;
Said strip upper ledge chamber door transition piece, strip lower frame chamber door transition piece, strip left side frame chamber door transition piece and the right frame chamber door of strip transition piece end are provided with 45 ° of inclined-planes, and said strip upper ledge chamber door transition piece, strip lower frame chamber door transition piece, strip left side frame chamber door transition piece and the right frame chamber door of strip transition piece are through the described frame chamber door of the fixedly formation transition piece on said 45 ° of inclined-planes; The outer rim of said frame chamber door transition piece has the outer rim that combines to transplant a cutting, and inner edge has the inner edge that combines to transplant a cutting; The outer rim of said frame chamber door transition piece is transplanted a cutting and is inserted in the outer rim slot of the outer courage of chamber door; The inner edge of said frame chamber door transition piece is transplanted a cutting and is inserted in the slot of chamber door inner bag C7;
Falcon head on the said magnetic stripe gasbag-type seal strip for refrigerator door frame inserts in the falcon groove on the outer rim lateral wall of said frame chamber door transition piece.
2. by the described cryogenic freezing container of claim 1 doorway sub-assembly, it is characterized in that the material of described frame casing transition piece and frame chamber door transition piece is the low heat conductivity composite.
3. by the described cryogenic freezing container of claim 2 doorway sub-assembly, it is characterized in that described low heat conductivity composite is plastics, carbon fiber, glass fibre, ABS resin or polyethylene fibre.
4. by the described a kind of cryogenic freezing container of claim 1 doorway sub-assembly, the casing outer rim transition piece of said frame casing transition piece has the θ inclination angle that matches and contact with the outer rim of the outer courage of chamber door, 0≤θ≤90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210247768.XA CN102767931B (en) | 2012-07-17 | 2012-07-17 | Doorway assembly of low-temperature refrigerating storage box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210247768.XA CN102767931B (en) | 2012-07-17 | 2012-07-17 | Doorway assembly of low-temperature refrigerating storage box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102767931A true CN102767931A (en) | 2012-11-07 |
| CN102767931B CN102767931B (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210247768.XA Active CN102767931B (en) | 2012-07-17 | 2012-07-17 | Doorway assembly of low-temperature refrigerating storage box |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615858A (en) * | 2013-12-10 | 2014-03-05 | 合肥美的电冰箱有限公司 | Door lining and refrigerator with door lining |
| CN105300013A (en) * | 2014-06-25 | 2016-02-03 | 海尔集团技术研发中心 | Multi-door-seal box and refrigerating equipment |
| CN108332499A (en) * | 2018-02-06 | 2018-07-27 | 滁州市博瑞特工贸有限公司 | A kind of new refrigerator door weather strip |
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|---|---|---|---|---|
| US2978755A (en) * | 1958-07-23 | 1961-04-11 | Robert L Walker | Vapor proof cover or freezer door assembly |
| US4831780A (en) * | 1987-07-07 | 1989-05-23 | Ardco Inc. | Refrigerator door assembly with thermal break frame |
| US5876104A (en) * | 1997-12-10 | 1999-03-02 | White Consolidated Industries, Inc. | Breaker assembly for refrigerated cabinet |
| CN201653048U (en) * | 2010-05-19 | 2010-11-24 | 合肥美的荣事达电冰箱有限公司 | Refrigerator |
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2012
- 2012-07-17 CN CN201210247768.XA patent/CN102767931B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2978755A (en) * | 1958-07-23 | 1961-04-11 | Robert L Walker | Vapor proof cover or freezer door assembly |
| US4831780A (en) * | 1987-07-07 | 1989-05-23 | Ardco Inc. | Refrigerator door assembly with thermal break frame |
| US5876104A (en) * | 1997-12-10 | 1999-03-02 | White Consolidated Industries, Inc. | Breaker assembly for refrigerated cabinet |
| CN201653048U (en) * | 2010-05-19 | 2010-11-24 | 合肥美的荣事达电冰箱有限公司 | Refrigerator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615858A (en) * | 2013-12-10 | 2014-03-05 | 合肥美的电冰箱有限公司 | Door lining and refrigerator with door lining |
| CN105300013A (en) * | 2014-06-25 | 2016-02-03 | 海尔集团技术研发中心 | Multi-door-seal box and refrigerating equipment |
| CN108332499A (en) * | 2018-02-06 | 2018-07-27 | 滁州市博瑞特工贸有限公司 | A kind of new refrigerator door weather strip |
| CN108332499B (en) * | 2018-02-06 | 2020-11-24 | 滁州市博瑞特工贸有限公司 | Refrigerator door sealing strip |
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| Publication number | Publication date |
|---|---|
| CN102767931B (en) | 2014-09-03 |
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