CN114576897A - Refrigerator door seal and refrigerator - Google Patents
Refrigerator door seal and refrigerator Download PDFInfo
- Publication number
- CN114576897A CN114576897A CN202210159281.XA CN202210159281A CN114576897A CN 114576897 A CN114576897 A CN 114576897A CN 202210159281 A CN202210159281 A CN 202210159281A CN 114576897 A CN114576897 A CN 114576897A
- Authority
- CN
- China
- Prior art keywords
- air bag
- sealing
- door seal
- refrigerator door
- clamping groove
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 95
- 230000003139 buffering effect Effects 0.000 claims abstract description 20
- 230000003044 adaptive effect Effects 0.000 claims abstract description 3
- 238000005452 bending Methods 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract description 3
- 238000005057 refrigeration Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000008014 freezing Effects 0.000 description 6
- 238000007710 freezing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- 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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
-
- 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
- F25D23/006—General constructional features for mounting refrigerating machinery components
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- 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
-
- 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
- F25D23/06—Walls
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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 invention discloses a refrigerator door seal and a refrigerator, and relates to the technical field of refrigeration. The air bag comprises a plurality of sealing parts and a plurality of fixing parts, wherein each sealing part comprises a supporting air bag, a buffering air bag, a plurality of sealing air bags and a plurality of sealing fins. Wind the fixed part is including fixed gasbag and a plurality of draw-in groove barb, fixed gasbag an organic whole sets up support one side of gasbag. The buffer air bag is connected with the support air bag and is positioned on the other side of the support air bag. And sealing air bags are respectively arranged on two sides of the supporting air bag and the buffering air bag. And the adjacent sealing air bags of the plurality of sealing parts are connected through the connecting balance air bags. The invention has the beneficial effects that: the refrigerator door seal can be in adaptive clamping connection with the lining through the fixing parts on the inner side and the outer side. The connection between the sealing parts at the two sides balances the air bags, and when the door body is closed, the extrusion force borne by the air bags at the two sides can be balanced, so that the sealing effect is enhanced.
Description
Technical Field
The invention relates to the field of refrigeration, in particular to a refrigerator door seal and a refrigerator.
Background
The main structure of the door seal used for the refrigerator or freezer in the market at present is only a single structure, and the door seal is very easy to fall off in the using process. The single door seal clamping groove is not firm in clamping connection, the sealing effect of the second door seal is poor, cold air is leaked from a refrigerator or a refrigerator easily, condensation and frosting of a refrigerator opening are caused, and the use experience of a user is influenced. Moreover, the leakage of cold air can cause the increase of power consumption of the refrigeration product, thereby greatly wasting energy.
Patent document cn201811518555.x discloses a refrigerator capable of preventing external surface condensation, wherein an upper door seal of a freezing chamber door body is lapped on a center sill cover plate, and the door seal comprises a sealing air bag, a magnetic strip chamber and a clamping groove barb. The sealing air bag is connected with a small anti-dew air bag, and the small anti-dew air bag can extend into a gap between the freezing chamber door liner and the opening inner frame; set up the heat insulating strip of keeping out the wind at the top of freezer inner bag, the heat insulating strip of keeping out the wind includes mounting panel, air bag that keeps out the wind, air bag keep out the wind be used for with freezer door courage with gap shutoff between the opening inside casing. When the freezing chamber is closed, the wind-shielding air bag interferes with the inner container of the freezing chamber, so that a gap between the inner door container of the freezing chamber and the inner frame of the opening is in a closed state, and cold air in the inner container of the freezing chamber is prevented from permeating and overflowing from the gap. The anti-dew small air bag is connected with the sealing air bag through the rib, so that the anti-dew small air bag can swing and deform more easily, and the adaptability is stronger. In order to enhance the adaptability of the anti-dew small air bag, the rib between the anti-dew small air bag and the sealed air bag can only be thin, but the rib is easy to fatigue fracture under the condition of long-time pulling.
Disclosure of Invention
In order to solve the problems, the invention provides a refrigerator door seal and a refrigerator.
In order to solve the technical problems, the invention adopts the following technical scheme:
a refrigerator door seal comprises a plurality of sealing parts and a plurality of fixing parts, wherein each sealing part comprises a supporting air bag, a buffering air bag, a plurality of sealing air bags and a plurality of sealing fins. Each the fixed part is including fixed gasbag and a plurality of draw-in groove barb, fixed gasbag an organic whole sets up support one side of gasbag. The buffer air bag is connected with the support air bag and is positioned on the other side of the support air bag. And sealing air bags are respectively arranged on the two sides of the supporting air bag and the buffering air bag. And the adjacent sealing air bags of the plurality of sealing parts are connected through the connecting balance air bags.
Further, the sealing parts are two, the two sealing parts are connected through the connecting balance air bag in an obtuse angle, and the section of the connecting balance air bag is square.
Furthermore, the cross section of each supporting air bag is triangular, and the cross section of each buffering air bag is oval and is positioned at the upper side of the supporting air bag.
Furthermore, each fixed air bag is located the downside of support air bag, and the left and right sides of each fixed air bag lower part has the draw-in groove barb.
Furthermore, the bottom of each clamping groove barb is provided with an oblique outward clamping groove bulge.
Further, each sealing air bag is respectively positioned at the left side and the right side of the supporting air bag and the buffering air bag, the sealing air bags bulge outwards, and the tops of the bulges are lower than the tops of the buffering air bags.
Furthermore, an inclined first sealing fin is arranged at the outer side bulge of the sealing air bag, and the top end of the first sealing fin is lower than the top of the buffering air bag.
Further, the bottom of the outer side of the buffer air bag is provided with a second sealing fin with a cross section bent obliquely downwards.
The utility model provides a refrigerator, includes lid, the cabinet body and as above-mentioned refrigerator door strip of paper used for sealing, fixedly connected with inside lining can be dismantled to the lid bottom. Inside lining bottom inside and outside both sides all around are equipped with the draw-in groove respectively, the freezer door strip of paper used for sealing passes through the draw-in groove barb and the draw-in groove of stationary air bag arch with draw-in groove looks adaptation joint. The second sealing fins are respectively matched and attached to the corners of the lining. The edge of the bottom of the cover body is bent inwards to form a bending section, the bottom of the bending section is provided with a clamping groove, and the second sealing fin on the outer side is adaptive to and clamped in the clamping groove. The cabinet opening of the cabinet body comprises an outer cabinet opening and an inner cabinet opening, the outer cabinet opening is higher than the inner cabinet opening and is connected through an inclined side wall, and the side wall is obtuse to the top of the outer cabinet opening. The sealing part can respectively with outside cabinet mouthful top and the side wall is the adaptation laminating, and is inboard first sealing fin contact in inboard cabinet mouthful, the outside first sealing fin slope contact in outside cabinet mouthful.
The invention has the beneficial effects that: the invention has double layers of fixed air bags, can be fixedly clamped with the lining, and cannot easily loosen and fall off. The connection balance air bag between the double-layer sealing air bags can balance the extrusion force of the air bags on the two sides in the closing process of the door body, and the sealing effect is enhanced.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of the refrigerator door seal of fig. 1 installed with the liner and the opening, respectively.
FIG. 3 is an enlarged cross-sectional view of a portion of the liner.
Figure 4 shows a refrigerator with the refrigerator door seal of figure 1 installed.
Detailed Description
The invention discloses a refrigerator door seal and a refrigerator, and an embodiment of the invention is specifically described below with reference to the accompanying drawings.
A refrigerator door seal, as shown in figure 1, comprises a plurality of sealing parts and a plurality of fixing parts, wherein the number of the sealing parts is two, and the fixing parts are integrally arranged on the lower side of each sealing part. Each sealing portion includes a support airbag 1, a cushion airbag 2, a plurality of sealing airbags 3, and a plurality of sealing fins. Each fixing part comprises a fixed air bag 6 and a plurality of clamping groove barbs 7. The supporting air bag 1 is triangular in section, and the top of the supporting air bag is connected with a buffering air bag 2 with an oval section. The left and right sides of the supporting airbag 1 and the buffering airbag 2 are respectively connected with a sealing airbag 3. The upper portion of the sealing bag 3 bulges outward, and the top of the bulge is lower than the top of the cushion bag 2. An oblique first sealing fin 4 is arranged at the bulge of the outer side of the sealing air bag 3, and the top end of the first sealing fin 4 is lower than the top of the buffering air bag 2. The bottom of the outer side of the buffer air bag 2 is provided with a second sealing fin 5 with a cross section bent obliquely downwards. The left and right sides of fixed part bottom has draw-in groove barb 7, and the bottom of each draw-in groove barb 7 has outside draw-in groove arch 8 to one side. A connecting balance air bag 9 with a square section is arranged between the adjacent sealing air bags 3 of the two sealing parts, and the sealing parts are in an obtuse angle shape after being connected through the connecting balance air bags 9.
The utility model provides a refrigerator, includes lid 15, the cabinet body 14 and as above a refrigerator door strip of paper used for sealing, fixedly connected with inside lining 10 can be dismantled to lid 15 bottom, the top fixedly connected with cabinet mouth 13 of the cabinet body 14. The inner side and the outer side of the periphery of the bottom of the lining 10 are respectively provided with a clamping groove 11, and the clamping groove is internally contracted. The clamping grooves 11 on the inner side and the outer side are approximately obtuse angles, and downward bulges are arranged in the middle positions of the clamping grooves and the inner side and the outer side. The refrigerator door seal is clamped with the clamping groove 11 in a matched manner through the clamping groove barb 7 and the clamping groove bulge 8 of the fixing air bag 6. The second sealing fins 5 are respectively fit and attached to the corners of the liner 10. The cabinet opening 13 comprises an outer cabinet opening and an inner cabinet opening, the outer cabinet opening is higher than the inner cabinet opening and is connected through an inclined side wall, and the side wall and the top of the outer cabinet opening form an obtuse angle. Sealing portion and outside cabinet mouthful top and lateral wall looks adaptation laminating, inboard first sealing fin 4 contacts in inboard cabinet mouthful, and outside first sealing fin 4 contacts in outside cabinet mouthful.
The installation mode of the invention is as follows: as shown in fig. 2, the refrigerator door seal is in the shape of a ring and can be fittingly connected to the inner liner 10. The refrigerator door seal is respectively connected with the clamping grooves 11 on the inner side and the outer side of the lining 10 in a matched and clamped mode through two fixing parts. The inner second sealing fin 5 is attached to the corner of the lining 10 for sealing, and cold leakage is prevented. As shown in FIG. 3, the edge of the bottom of the cover 15 has an inwardly bent bending section, and the liner 10 is adapted to be fastened to the bottom of the cover 15, and the edge thereof is closely attached to the lower side of the bending section of the cover 15. The 15 kinks of lid have can with the joint groove 12 of the 5 looks adaptations of outside second sealing fin, the 5 joints of second sealing fin are fixed with the joint inslot 12 in, outside second sealing fin 5 can be with inside lining 10 with external sealed isolated, prevent to leak cold.
The use mode of the invention is as follows: as shown in fig. 4, after the refrigerator door seal and the liner 10 are installed, when the cover 15 is closed, the sealing portions on the inner and outer sides of the refrigerator door seal are attached to the outer cabinet opening and the side wall of the refrigerator. Because the freezer door sealing strip adopts flexible material, the buffering gasbag 2 of sealing part contacts outside cabinet mouth and lateral wall at first and takes place elastic deformation for sealing part fully contacts outside cabinet mouth and lateral wall. Simultaneously because the top of first sealing fin 4 takes place elastic deformation back at buffering gasbag 2, can carry out sealing contact with outside cabinet mouth or lateral wall, further strengthens the leakproofness. In the closing process of the cover body 15, the extrusion forces applied to the inner side sealing part and the outer side sealing part are possibly different, and the air bag pressure of the sealing parts on the two sides of the inner side can be balanced by connecting the balance air bag 9, so that a better sealing effect is achieved.
It is noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," "intermediate," "one side," "the other side," and the like are to be construed broadly; terms such as "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, are only terms of relationships determined to describe structural relationships of the components of the present invention, are not intended to refer to any components of the present invention, and are not to be construed as limiting the present invention.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (9)
1. A refrigerator door seal is characterized in that: the air bag sealing structure comprises a plurality of sealing parts and a plurality of fixing parts, wherein each sealing part comprises a supporting air bag (1), a buffering air bag (2), a plurality of sealing air bags (3) and a plurality of sealing fins, each fixing part comprises a fixing air bag (6) and a plurality of clamping groove barbs (7), and the fixing air bags (6) are integrally arranged on one side of the supporting air bag (1);
the buffering air bag (2) is connected with the supporting air bag (1) and is positioned at the other side of the supporting air bag (1);
sealing air bags (3) are respectively arranged on two sides of the supporting air bag (1) and the buffering air bag (2);
the sealing structure is provided with connecting balance airbags (9), and adjacent sealing airbags (3) of a plurality of sealing parts are connected through the connecting balance airbags (9).
2. The refrigerator door seal of claim 1, wherein: the sealing parts are two, the two sealing parts are connected through the connecting balance air bag (9) in an obtuse angle, and the section of the connecting balance air bag (9) is square.
3. The refrigerator door seal according to claim 1, wherein: the cross section of each supporting air bag (1) is triangular, and the cross section of each buffering air bag (2) is oval and is positioned on the upper side of the supporting air bags (1).
4. The refrigerator door seal of claim 1, wherein: each fixed air bag (6) is positioned at the lower side of the supporting air bag (1), and the left side and the right side of the lower part of each fixed air bag (6) are provided with clamping groove barbs (7).
5. The refrigerator door seal of claim 4, wherein: the bottom of each clamping groove barb (7) is provided with a clamping groove bulge (8) which is inclined outwards.
6. The refrigerator door seal of claim 1, wherein: the sealing air bags (3) are respectively positioned at the left side and the right side of the supporting air bag (1) and the buffering air bag (2), the sealing air bags (3) bulge outwards, and the tops of the bulges are lower than the tops of the buffering air bags (2).
7. The refrigerator door seal of claim 6, wherein: an oblique upward first sealing fin (4) is arranged at the bulge of the outer side of the sealing air bag (3), and the top end of the first sealing fin (4) is lower than the top of the buffering air bag (2).
8. The refrigerator door seal of claim 1, wherein: and the bottom of the outer side of the buffer air bag (2) is provided with a second sealing fin (5) with a cross section bent obliquely downwards.
9. The utility model provides a refrigerator, includes lid (15), the cabinet body (14) and as above-mentioned claim 1 to 8 the refrigerator door strip of paper used for sealing, fixedly connected with inside lining (10), its characterized in that can be dismantled to lid (15) bottom:
the inner side and the outer side of the periphery of the bottom of the lining (10) are respectively provided with a clamping groove (11), the refrigerator door seal is in adaptive clamping with the clamping grooves (11) through clamping groove barbs (7) and clamping groove bulges (8) of the fixed air bag (6), and the mouths of the clamping grooves (11) are internally contracted;
the second sealing fins (5) are respectively matched and attached to the corners of the lining (10);
the bottom edge of the cover body (15) is bent inwards to form a bending section, the bottom of the bending section is provided with a clamping groove (12), and the second sealing fin (5) on the outer side is clamped in the clamping groove (12) in a matching mode;
the cabinet opening (13) of the cabinet body comprises an outer cabinet opening and an inner cabinet opening, the outer cabinet opening is higher than the inner cabinet opening and is connected through an inclined side wall, and the side wall forms an obtuse angle with the top of the outer cabinet opening;
sealing portion can respectively with outside cabinet mouthful top and the side wall adaptation laminating, inboard first sealing fin (4) contact in inboard cabinet mouthful, the outside first sealing fin (4) slope contact in outside cabinet mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210159281.XA CN114576897B (en) | 2022-02-22 | 2022-02-22 | Refrigerator door seal and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210159281.XA CN114576897B (en) | 2022-02-22 | 2022-02-22 | Refrigerator door seal and refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114576897A true CN114576897A (en) | 2022-06-03 |
| CN114576897B CN114576897B (en) | 2023-11-14 |
Family
ID=81770425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210159281.XA Active CN114576897B (en) | 2022-02-22 | 2022-02-22 | Refrigerator door seal and refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114576897B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115751825A (en) * | 2022-11-29 | 2023-03-07 | 长虹美菱股份有限公司 | Refrigerator door seal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256778A (en) * | 2013-05-16 | 2013-08-21 | 合肥华凌股份有限公司 | Refrigerator |
| CN103256780A (en) * | 2013-05-27 | 2013-08-21 | 合肥华凌股份有限公司 | Door seal used for freezer and freezer with door seal |
| CN204478668U (en) * | 2014-12-30 | 2015-07-15 | 合肥华凌股份有限公司 | Gasket and refrigerator |
| CN105466125A (en) * | 2015-12-30 | 2016-04-06 | 合肥华凌股份有限公司 | Door sealing structure and refrigeration device |
| WO2017108189A1 (en) * | 2015-12-23 | 2017-06-29 | Rehau Ag + Co | Refrigerator and/or freezer device |
| CN209512370U (en) * | 2019-02-14 | 2019-10-18 | 青岛新材料科技工业园发展有限公司 | A kind of door seal and comprising this door seal without vertical beam refrigerator |
| CN214469577U (en) * | 2021-03-01 | 2021-10-22 | 青岛新材料科技工业园发展有限公司 | Refrigerator door seal |
-
2022
- 2022-02-22 CN CN202210159281.XA patent/CN114576897B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256778A (en) * | 2013-05-16 | 2013-08-21 | 合肥华凌股份有限公司 | Refrigerator |
| CN103256780A (en) * | 2013-05-27 | 2013-08-21 | 合肥华凌股份有限公司 | Door seal used for freezer and freezer with door seal |
| CN204478668U (en) * | 2014-12-30 | 2015-07-15 | 合肥华凌股份有限公司 | Gasket and refrigerator |
| WO2017108189A1 (en) * | 2015-12-23 | 2017-06-29 | Rehau Ag + Co | Refrigerator and/or freezer device |
| CN105466125A (en) * | 2015-12-30 | 2016-04-06 | 合肥华凌股份有限公司 | Door sealing structure and refrigeration device |
| CN209512370U (en) * | 2019-02-14 | 2019-10-18 | 青岛新材料科技工业园发展有限公司 | A kind of door seal and comprising this door seal without vertical beam refrigerator |
| CN214469577U (en) * | 2021-03-01 | 2021-10-22 | 青岛新材料科技工业园发展有限公司 | Refrigerator door seal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115751825A (en) * | 2022-11-29 | 2023-03-07 | 长虹美菱股份有限公司 | Refrigerator door seal |
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| Publication number | Publication date |
|---|---|
| CN114576897B (en) | 2023-11-14 |
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