CN102483289B - High -strength refrigerator door - Google Patents
High -strength refrigerator door Download PDFInfo
- Publication number
- CN102483289B CN102483289B CN201080038930.6A CN201080038930A CN102483289B CN 102483289 B CN102483289 B CN 102483289B CN 201080038930 A CN201080038930 A CN 201080038930A CN 102483289 B CN102483289 B CN 102483289B
- Authority
- CN
- China
- Prior art keywords
- plate
- door
- lid
- refrigerator doors
- sidewall
- 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
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
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Refrigerator Housings (AREA)
Abstract
The present invention relates to a refrigerator door (1) comprising a door plate (2) which is formed by bending the edges of a rectangular sheet, an upper (3) and a lower cap (103) which are closed onto the upper end and the lower end of the door plate (2) before the polyurethane injection process and a support plate (7) which provides the support of the cap (3, 103) at the upper and lower ends of the door plate (2) by extending perpendicular to the cap (3, 103) plane and through the portion wherein the rear bent portions (6) are disposed and wherein the side walls (5) to which the rear bent portions (6) are connected are prevented from being deformed after the polyurethane injection process by holding the rear bent portions (6) by means of two holding extensions (8) which are integrated onto the said support plate (7) and wherein a gap (G) into which the rear bent portions (6); on the rear wall side of the door plate (2) are placed and the locking detents (9) are disposed between the support plate (7) and the holding extensions (8).
Description
Technical field
The present invention relates to a kind of refrigerator doors, polyurethane (polyurethane) can be injected in its internal capacity in the production process of this refrigerator doors, and prevent refrigerator doors to be out of shape.
Background technology
Refrigerator doors is made up of following part usually: front panel, and it forms the front surface of refrigerator doors and it is made up of sheet steel material; Sidewall, it is made by making the curved edge of front panel; Rear wall, it is arranged on the internal capacity place of refrigerator and is made up of plastic material; And lid, in its upper part being closed to refrigerator doors and lower part.When production refrigerator doors, polyurethane be injected into by front panel, sidewall, rear wall and upper cover and lower cover around enclosed volume in, and the polyurethane insulating material be injected in refrigerator doors internal capacity expand and apply pressure from inner side to all surface surrounding polyurethane insulating material.Due to polyurethane institute applied pressure, leak so may there is polyurethane at the region place being provided with upper cover and lower cover, sidewall is opened toward the outer side and is therefore out of shape.For this reason, after polyurethane injection technology, refrigerator doors can not keep desired form, and this has caused production loss.In the prior art, the side extended towards the outside of sidewall 5' via the lid 3' be contained on refrigerator doors 1' keeps extension 8' that enough intensity can not be provided after polyurethane injection technology, to expand (Fig. 1) to prevent sidewall 5' to the right and left.Side on described lid 3' keeps extension 8' to form less desirable projection on sidewall 5', and these less desirable projections hamper modification external member (trim-kit) (glass covering) technique on refrigerator doors 1'.
A kind of refrigerator preventing it from deforming after manufacturing is art describes at Japanese patent application No. JP2008304075.This refrigerator doors by being formed in conjunction with header board, rear plate, upper cover and lower cover, and is filled with foamed insulation material in enclosed volume betwixt.Upper cover and under the minute aperture that covers make it possible to Exhaust Gas in the process of these insulating materials of cooling, therefore, these insulating materials can fill all gaps of the inner segments (part) of door.
A kind of refrigerator doors is art describes at patent application No. JP200097550, it is by making in conjunction with header board, rear plate and the upper cover be closed on top and the bottom and lower cover, wherein, polyurethane foam insulation material is injected in enclosed volume therebetween.The sidewall of the header board of refrigerator doors is formed by being bent, and handle portion is formed with the form of depression, thus decreases the quantity of element.
Summary of the invention
The object of the invention is to realize a kind ofly to prevent the refrigerator doors deformed after polyurethane injection technology.
The refrigerator doors realized to reach object of the present invention is made up of following part: door-plate, and it forms the main body of refrigerator doors, and its edge is shaped by being bent, and becomes the form of involute (involute) U when going seen from above; Rear wall, its be arranged on door-plate dorsal part place and towards the inner side of refrigerator; And upper cover and lower cover, it is contained on the top and bottom of door-plate, by means of being positioned at the locking pawl covered, prevents the sidewall of the door-plate caused by the pressure owing to producing after polyurethane injection technology and extend and be out of shape to the right left.
Door-plate has: antetheca, and it is arranged on user oriented front side; Two sidewalls, it bends by making the right hand edge of door-plate and left hand edge and is formed; And two rear bending parts, it is formed by making the back edge of sidewall curve inwardly.
Refrigerator doors of the present invention comprises: gripper shoe, and it is formed into single and supporting cover together with lid; Become two of L shape to keep extension, it is incorporated in gripper shoe, and it is parallel to gripper shoe and extends to the right and left and there is gap betwixt, and the rear bending part of door-plate is placed in this gap; And more than one locking pawl, it extends from keeping the inner surface of extension towards gripper shoe, and it prevents the sidewall be connected with rear bending part from expanding toward the outer side after polyurethane injection technology by keeping the rear bending part being placed in gap.
In embodiments of the present invention, the acclivitous trapezoidal or zigzag in the side that the opening direction of locking pawl Cheng Yu sidewall is contrary and keeping in the gap between extension and gripper shoe (in series) to be continuously arranged in horizontal plane place.
In the present embodiment, door-plate comprises the more than one otch being arranged in horizontal plane place continuously, and it is arranged in the part being in gap of rear bending part, makes the end of locking pawl can through rear bending part to be locked.
When the rear bending part of door-plate is placed in gap, toothing or trapezoidal locking pawl are embedded in the otch be formed on rear bending part, and provide the locking of rear bending part inside gap.
In another embodiment of the present invention, the quantity of otch is greater than the quantity of locking pawl.This eliminates the measured deviation problem being formed on rear bending part and occur in the process of otch or installation cover, and provide aiming at of each locking pawl and otch.
Door-plate comprises in addition: two leading edge sweeps, and it is formed by making the top edge of the antetheca of door-plate and lower limb curve inwardly at least in part to make it arrive horizontal level, and provides the fixing of upper cover and lower cover when not forming projection; And four lateral edges sweeps, it curves inwardly to make it arrive horizontal level by the top edge and lower limb making the sidewall of door-plate and is formed.
Lid comprises: the front support extension becoming L shape, and it is incorporated in the inner segments of leading edge of the door-plate be contained on antetheca, and assigns to provide lid fixing to door-plate by grasping leading edge bend; And becoming two collateral support extensions of L shape, it is incorporated in the inner segments of the lateral edges be contained on sidewall, and assigns to provide lid fixing to door-plate by grasping lateral edges bend.
Front support extension and collateral support extension provide the fixing of the lid of the top and bottom being installed on door-plate when without the need to forming projection on antetheca and sidewall, and prevent lid from departing from door-plate due to polyurethane pressure.
In the production process of refrigerator doors of the present invention, provide by the locking pawl of the rear wall side being hidden in refrigerator doors the sidewall expansion and left caused due to polyurethane pressure to the right, and it has high strength.In addition, when not forming projection, upper cover and lower cover are fixed to antetheca and the sidewall of door-plate, thus it is aesthetic to improve outward appearance.
Accompanying drawing explanation
Illustrate the refrigerator doors realized to reach object of the present invention in the accompanying drawings, in the accompanying drawings:
The schematic diagram of Fig. 1-be refrigerator doors of the prior art.
Fig. 2-be form the door-plate of refrigerator doors and the schematic diagram of upper cover and lower cover.
The bottom perspective view of Fig. 3-be mounted in lid on door-plate.
The perspective view of Fig. 4-be details A in Fig. 3.
The perspective view of Fig. 5-be upper part of door-plate.
The perspective view of Fig. 6-be details B in Fig. 5.
The schematic diagram of Fig. 7-be locking details covered.
The schematic diagram of the locking details on Fig. 8-be lid in another embodiment of the present invention.
Each element numbers illustrated in figure is as follows:
1 refrigerator doors
2 door-plates
3,103 lids
4 antethecas
5 sidewalls
6 rear bending parts
7 gripper shoes
8 keep extension
9 locking pawls
10 otch
11 leading edge sweeps
12 lateral edges sweeps
13 front support extensions
14 collateral support extensions.
Detailed description of the invention
Refrigerator doors 1 comprises: door-plate 2, and it is formed by making the curved edge of rectangular plate; Rear wall (not shown), it is arranged on the side place towards the storage volumes of refrigerator and is made up of plastic material; And upper cover 3 and lower cover 103, it was installed on the top and bottom of door-plate 2 before polyurethane injection technology.
Door-plate 2 has into the cross section of involute U-shaped when viewed from the top, and comprises: antetheca 4, and it is arranged on user oriented front side place; Two sidewalls 5, its right hand edge by door-plate 2 and left hand edge bend and are formed; And two rear bending parts 6, it is by making the back edge of sidewall 5 be parallel to antetheca 4 and bending toward each other and formed (Fig. 2).
In the process of production refrigerator doors 1, door-plate 2 being combined with rear wall after being formed by bending, closing the top and bottom of door-plate 2 with lid 3,103, and the insulating materials such as such as polyurethane are injected in the enclosed volume formed like this.
Lid 3,103 comprises
-at least one gripper shoe 7, its extend to lid back edge, to extend towards inner side perpendicular to lid 3,103 plane and through the portion's section being wherein provided with rear bending part 6, and its supporting cover 3,103,
-become two of L shape to keep extensions 8, it is incorporated on the end sections of gripper shoe 7, be parallel to gripper shoe 7 extends to the right and left, and wherein between maintenance extension 8 and gripper shoe 7, there is clearance G, and rear bending part 6 is placed in clearance G, and
The more than one locking pawl 9 of –, it extends from keeping the inner surface of extension 8 towards gripper shoe 7, and by keeping the rear bending part 6 being placed in clearance G to prevent the sidewall 5 be connected with rear bending part 6 from expanding outwardly (Fig. 3, Fig. 4, Fig. 7) after polyurethane injection technology.
In the process of production refrigerator doors 1, after polyurethane injection technology, prevent expanding outwardly of sidewall 5 by means of locking pawl 9.Locking pawl 9 is hidden in part door-plate 2 being wherein provided with the rear bending part 6 be combined with rear wall, and the surface can not seen user forms any projection or spill portion.In the process of each element being combined to form refrigerator doors 1, become the sidewall 5 of the door-plate 2 of U-shaped to stretch left and to the right lid 3,103 to be closed on the top and bottom of door-plate 2, and rear bending part 6 is pushed into the gripper shoe 7 on lid 3,103 and keeps in the clearance G between extension 8 simultaneously.When lid 3,103 is sealed on door-plate 2, by locking pawl 9, rear bending part 6 is locked in clearance G.Locking pawl 9 prevents the sidewall 5 be connected with rear bending part 6 from expanding after polyurethane injection technology to the right and left by the intensity increasing lid 3,103-door-plate 2 connects.
In embodiments of the present invention, locking pawl 9 one-tenth is acclivitous trapezoidal or zigzag in the side contrary with the opening direction of sidewall 5, and is arranged in the horizontal direction continuously in clearance G.
Door-plate 2 comprises the more than one otch 10 arranged continuously in the horizontal direction, and it is arranged in the part being in clearance G of rear bending part 6, and it makes the end of locking pawl 9 can through rear bending part 6(Fig. 5, Fig. 6, Fig. 7 to be locked).
When rear bending part 6 is placed in clearance G, toothing or trapezoidal locking pawl 9 embed in the otch 10 on rear bending part 6, and so provide rear bending part 6 to be locked to depart from clearance G.
In another embodiment of the present invention, the quantity of otch 10 is greater than the quantity (Fig. 8) of locking pawl 9.Like this, eliminate in process of production otch 10 be formed on rear bending part 6 or installation cover 3,103 process in contingent measured deviation problem, and provide aiming at of each locking pawl 9 and otch 10 when lid 3,103 is installed on door-plate 2.
Door-plate 2 comprises in addition: two leading edge sweeps 11, it is formed by making the top edge of antetheca 4 and lower limb curve inwardly at least in part to make it arrive horizontal level, and provides the fixing of upper cover 3 and lower cover 103 when not forming projection; And four lateral edges sweeps 12, it is curved inwardly by the top edge and lower limb making sidewall 5 and makes it arrive horizontal level and formed (Fig. 6).
Lid 3,103 comprises: the front support extension 13 becoming L shape, its be incorporated into cover the leading edge installed on antetheca 4 inner segments on, and fixing by what grasp that leading edge sweep 11 provides lid 3,103 to door-plate 2; And becoming two collateral support extensions 14 of L shape, it is incorporated in the inner segments of the lateral edges be contained on sidewall 5, and provides lid 3,103 fixing to door-plate 2 by grasping lateral edges sweep 12.
Front support extension 13 and collateral support extension 14 provide the fixing of the lid 3,103 of the top and bottom being installed on door-plate 2 when without the need to forming projection on antetheca 4 and sidewall 5, and prevent lid 3,103 from departing from door-plate 2 due to polyurethane pressure.
In the production process of refrigerator doors 1 of the present invention, provide by the locking pawl 9 at the rear wall side place being hidden in refrigerator doors 1 sidewall 5 expansion and left caused due to polyurethane pressure to the right, and it has high strength.In addition, on the antetheca 4 upper cover 3 and lower cover 103 being fixed to door-plate 2 when not forming projection and sidewall 5, thus it is aesthetic to improve outward appearance, and can realize coordinating embodiments such as (trim fit) to the such as modification of refrigerator doors 1 without any problem.
Should be understood that, the present invention does not limit by above disclosed embodiment, and those skilled in the art can easily propose different embodiments.These embodiments should be encompassed within the protection domain required by claim of the present invention.
Claims (7)
1. a refrigerator doors (1), it comprises door-plate (2), and described door-plate (2) is formed by making the curved edge of rectangular plate, and its cross section becomes involute U-shaped, described door-plate (2) has: antetheca (4), and described antetheca (4) is positioned on user oriented front side; Two sidewalls (5), it is formed by making the right hand edge of described door-plate (2) and left hand edge bending backward; And two rear bending parts (6), it is by making the back edge of described sidewall (5) be parallel to described antetheca (4) and bending toward each other and formed; And lid (3,103), described lid (3,103) comprises upper cover (3) and lower cover (103), and it was installed on the top and bottom of described door-plate (2) before polyurethane injection technology,
Further, it is characterized in that, described lid (3,103) comprising:
-at least one gripper shoe (7), its extend to described lid back edge, to extend towards inner side perpendicular to described lid (3,103) plane and through the portion's section being wherein provided with described rear bending part (6), and it supports described lid (3,103),
-become two of L shape to keep extension (8), it is incorporated on the end sections of described gripper shoe (7), be parallel to described gripper shoe (7) extends to the right and left, and wherein between described maintenance extension (8) and described gripper shoe (7), there is gap (G), described rear bending part (6) is placed in described gap (G), and
-more than one locking pawl (9), it extends from the inner surface of described maintenance extension (8) towards described gripper shoe (7), and prevents the described sidewall (5) be connected with described rear bending part (6) from expanding outwardly after described polyurethane injection technology by the described rear bending part (6) that maintenance is placed in described gap (G).
2. refrigerator doors according to claim 1 (1), it is characterized in that, described lid (3,103) comprises described locking pawl (9), described in described gap (G), locking pawl (9) is arranged in the horizontal direction continuously, and the trapezoidal or zigzag that the contrary direction of the opening direction of sidewall described in Cheng Yu (5) tilts.
3. refrigerator doors according to claim 1 and 2 (1), it is characterized in that, described door-plate (2) comprises the more than one otch (10) arranged continuously in the horizontal direction, described otch (10) is arranged in the part being in described gap (G) of described rear bending part (6), and it makes the end of described locking pawl (9) can through described rear bending part (6) to be locked.
4. refrigerator doors according to claim 3 (1), is characterized in that, described door-plate (2) comprises otch (10) more more than locking pawl (9).
5. refrigerator doors according to claim 1 and 2 (1), it is characterized in that, described door-plate (2) comprising: two leading edge sweeps (11), it is curved inwardly at least in part by the top edge and lower limb making antetheca (4) and makes it arrive horizontal level and formed, and provides the fixing of described upper cover and lower cover (3,103) when not forming projection; And four lateral edges sweeps (12), it is curved inwardly by the top edge and lower limb making described sidewall (5) and makes it arrive horizontal level and formed.
6. refrigerator doors according to claim 5 (1), it is characterized in that, described lid (3,103) comprising: the front support extension (13) becoming L shape, it is incorporated in the inner segments being contained in the leading edge on described antetheca (4) of described lid, and provides described lid (3,103) fixing to described door-plate (2) by grasping described leading edge sweep (11); And become two collateral support extensions (14) of L shape, it is incorporated in the inner segments of the lateral edges installed on described sidewall (5), and provides described lid (3,103) fixing to described door-plate (2) by grasping described lateral edges sweep (12).
7. a refrigerator, is characterized in that the refrigerator doors (1) according to any one of the claims.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TR200906732 | 2009-09-01 | ||
| TRA2009/06732 | 2009-09-01 | ||
| PCT/EP2010/062656 WO2011026817A2 (en) | 2009-09-01 | 2010-08-31 | High - strength refrigerator door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102483289A CN102483289A (en) | 2012-05-30 |
| CN102483289B true CN102483289B (en) | 2015-02-18 |
Family
ID=43649702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080038930.6A Expired - Fee Related CN102483289B (en) | 2009-09-01 | 2010-08-31 | High -strength refrigerator door |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2473803A2 (en) |
| CN (1) | CN102483289B (en) |
| WO (1) | WO2011026817A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11852398B2 (en) | 2015-04-27 | 2023-12-26 | Lg Electronics Inc. | Refrigerator and control method for refrigerator and method for opening a refrigerator door |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422237B (en) * | 2013-08-29 | 2018-11-23 | 博西华电器（江苏）有限公司 | Door and refrigerator for refrigerator |
| DE102014221316A1 (en) * | 2014-10-21 | 2016-04-21 | BSH Hausgeräte GmbH | Method of forming door panels and door made therewith |
| WO2021172947A1 (en) * | 2020-02-26 | 2021-09-02 | 엘지전자 주식회사 | Refrigerator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003166779A (en) * | 2001-11-29 | 2003-06-13 | Mitsubishi Electric Corp | Door structure of refrigerator |
| DE202005014382U1 (en) * | 2005-09-12 | 2005-11-10 | BSH Bosch und Siemens Hausgeräte GmbH | Refrigerator door has outer and inner walls surrounding hollow space onto which top and bottom end pieces are attached using a lip formed at the end of the main walls |
| KR20080001249A (en) * | 2006-06-29 | 2008-01-03 | 삼성전자주식회사 | Door for refrigerator |
| JP2008045869A (en) * | 2007-10-30 | 2008-02-28 | Mitsubishi Electric Corp | Heat insulating door body for refrigerator |
| CN100375878C (en) * | 2004-08-06 | 2008-03-19 | 三菱电机株式会社 | Method for manufacturing refrigerator and refrigerator door |
| EP2023063A2 (en) * | 2007-07-23 | 2009-02-11 | BSH Bosch und Siemens Hausgeräte GmbH | Door frame closing element of a household device door |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000097550A (en) | 1998-09-18 | 2000-04-04 | Sanyo Electric Co Ltd | Refrigerator |
| DE10208061B4 (en) * | 2002-02-25 | 2015-01-22 | BSH Bosch und Siemens Hausgeräte GmbH | Refrigeration appliance door and thus equipped refrigeration appliance |
| AU2006237838B2 (en) * | 2005-04-20 | 2011-07-21 | Lg Electronics Inc. | Door for refrigerator |
| US7886500B2 (en) * | 2005-05-27 | 2011-02-15 | Maytag Corporation | Refrigerator door with ratcheting end cap |
| JP2008304075A (en) | 2007-06-05 | 2008-12-18 | Sharp Corp | Refrigerator |
-
2010
- 2010-08-31 EP EP10747223A patent/EP2473803A2/en not_active Withdrawn
- 2010-08-31 CN CN201080038930.6A patent/CN102483289B/en not_active Expired - Fee Related
- 2010-08-31 WO PCT/EP2010/062656 patent/WO2011026817A2/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003166779A (en) * | 2001-11-29 | 2003-06-13 | Mitsubishi Electric Corp | Door structure of refrigerator |
| CN100375878C (en) * | 2004-08-06 | 2008-03-19 | 三菱电机株式会社 | Method for manufacturing refrigerator and refrigerator door |
| DE202005014382U1 (en) * | 2005-09-12 | 2005-11-10 | BSH Bosch und Siemens Hausgeräte GmbH | Refrigerator door has outer and inner walls surrounding hollow space onto which top and bottom end pieces are attached using a lip formed at the end of the main walls |
| KR20080001249A (en) * | 2006-06-29 | 2008-01-03 | 삼성전자주식회사 | Door for refrigerator |
| EP2023063A2 (en) * | 2007-07-23 | 2009-02-11 | BSH Bosch und Siemens Hausgeräte GmbH | Door frame closing element of a household device door |
| JP2008045869A (en) * | 2007-10-30 | 2008-02-28 | Mitsubishi Electric Corp | Heat insulating door body for refrigerator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11852398B2 (en) | 2015-04-27 | 2023-12-26 | Lg Electronics Inc. | Refrigerator and control method for refrigerator and method for opening a refrigerator door |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011026817A3 (en) | 2011-07-14 |
| WO2011026817A2 (en) | 2011-03-10 |
| EP2473803A2 (en) | 2012-07-11 |
| CN102483289A (en) | 2012-05-30 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20170831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |