CN114739099A - Sealing device for cover plate of freezer - Google Patents
Sealing device for cover plate of freezer Download PDFInfo
- Publication number
- CN114739099A CN114739099A CN202210467548.1A CN202210467548A CN114739099A CN 114739099 A CN114739099 A CN 114739099A CN 202210467548 A CN202210467548 A CN 202210467548A CN 114739099 A CN114739099 A CN 114739099A
- Authority
- CN
- China
- Prior art keywords
- assembly
- gas injection
- plate
- cover
- cabinet body
- 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 title claims abstract description 46
- 238000002347 injection Methods 0.000 claims abstract description 49
- 239000007924 injection Substances 0.000 claims abstract description 49
- 230000000694 effects Effects 0.000 claims abstract description 5
- 238000007599 discharging Methods 0.000 claims description 9
- 238000005057 refrigeration Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000000243 solution 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
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
- F25D23/023—Air curtain closures
-
- 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
- F25D23/025—Secondary closures
-
- 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
- F25D2323/00—General constructional features not provided for in other groups of this subclass
- F25D2323/02—Details of doors or covers not otherwise covered
-
- 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)
- Pressure Vessels And Lids Thereof (AREA)
- Gasket Seals (AREA)
Abstract
The invention provides a sealing device for a cover plate of a refrigerator, which belongs to the technical field of refrigerators and comprises a cabinet body, a cover body, a ring plate, a flexible sealing assembly, a top support assembly and a gas injection assembly, wherein the cover body is hinged to one side of the cabinet body, the ring plate is fixedly installed on one side, facing the cabinet body, of the cover body, the flexible sealing assembly is annularly arranged on the outer side of the ring plate, the top support assembly is installed on the inner wall of the cabinet body, the gas injection assembly is movably arranged on the inner side of the ring plate, and when the cover body is turned over and covers one side of the cabinet body, the top support assembly can drive the gas injection assembly to move so as to pump air into the flexible sealing assembly and drive the flexible sealing assembly to be expanded and attached to the inner wall of the cabinet body, so that the sealing between the cover body and the cabinet body is realized. Compared with the prior art, the embodiment of the invention can realize comprehensive sealing between the cover body and the cabinet body and has the advantage of good sealing effect.
Description
Technical Field
The invention belongs to the technical field of freezers, and particularly relates to a sealing device for a cover plate of a freezer.
Background
The freezer is because frequent switch door and door seal when not tight in the use, and damp and hot steam can get into between the freezer in the environment, leads to the freezer inner wall to appear the condition of frosting easily, can increase the thermal resistance between the air in evaporating coil and the freezer when frosting when too thick, hinders the heat exchange on evaporimeter surface to reduce refrigeration efficiency, influenced refrigeration effect.
Among the prior art, refrigerator door lid closes when refrigerator-freezer one side, mostly through the sealed pad of refrigerator-freezer one side with the sealed pad of refrigerator-freezer laminate each other in order to realize the refrigerator-freezer door and the refrigerator-freezer between sealed, this kind of sealed mode is comparatively traditional, the laminating tightness between two sets of sealed pads can't be guaranteed to after long-time the use, sealed pad takes place ageing deformation easily, lead to sealed gap between the pad too big, make sealed effect reduce.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, an object of the present invention is to provide a sealing device for a cover plate of an ice chest.
In order to solve the technical problems, the invention provides the following technical scheme:
a sealing device for a cover plate of a refrigerator comprises a cabinet body, a cover body, a ring plate, a flexible sealing assembly, a top support assembly and a gas injection assembly,
the cover body is hinged on one side of the cabinet body,
the ring plate is fixedly arranged on one side of the cover body facing the cabinet body,
the flexible sealing component is arranged on the outer side of the annular plate in a surrounding manner,
the top bracing component is arranged on the inner wall of the cabinet body,
the gas injection assembly is movably arranged on the inner side of the annular plate,
when the cover body is turned over and covers one side of the cabinet body, the top support assembly can drive the gas injection assembly to move so as to pump air into the flexible sealing assembly under pressure and drive the flexible sealing assembly to be expanded and attached to the inner wall of the cabinet body, and sealing between the cover body and the cabinet body is achieved.
As a further improvement of the invention: the flexible sealing component comprises an annular shell and a flexible layer, the annular shell is annularly arranged on the outer wall of the annular plate, the flexible layer is arranged on one side of the annular shell far away from the annular plate,
the top bracing component comprises a triangular plate and an arc-shaped bulge arranged on the inclined plane of the triangular plate, the triangular plate extends to the inner side of the annular plate, the lengths of two ends of the arc-shaped bulge away from the corner of the triangular plate are different,
the gas injection subassembly includes that gas injection pipeline and activity set up the plunger in the gas injection pipeline is inside, the fixed piston rod that is provided with in plunger one side, piston rod one end extends to the gas injection pipeline outside, the cavity intercommunication that forms between gas injection pipeline one end and annular housing and the flexible layer.
As a further improvement of the invention: one side of the triangle is fixedly connected with the inner wall of the cabinet body through a connecting plate.
As a further improvement scheme of the invention: and one end of the piston rod, which is positioned outside the gas injection pipeline, is rotatably provided with a roller.
As a still further improvement of the invention: the plunger is connected with the inner wall of the gas injection pipeline through a first elastic piece.
As a still further improvement of the invention: a gap is arranged on one side of the cover body, an air discharging component is arranged in the gap,
when the cover body is turned over to be opened from one side of the cabinet body, the air discharging assembly is used for discharging air in the flexible air storage assembly.
As a still further improvement of the invention: one side of the annular shell is provided with an exhaust pipe, a one-way valve plate is arranged in the exhaust pipe,
the air discharging component comprises a V-shaped rod and a thimble arranged at one end of the V-shaped rod,
one end of the thimble extends into the exhaust pipe, the V-shaped rod is hinged with the inner wall of the notch, and the V-shaped rod is connected with the inner wall of the notch through a second elastic piece.
Compared with the prior art, the invention has the beneficial effects that:
in the embodiment of the invention, when the cover body is turned over and covers one side of the cabinet body, the top support assembly can act on the air injection assembly and drive the air injection assembly to move, and the air injection assembly can pump air to the interior of the flexible sealing assembly when moving, so that the flexible sealing assembly is driven to expand and be attached to the inner wall of the cabinet body.
Drawings
FIG. 1 is a schematic view of a sealing device for a cover plate of an ice bin;
FIG. 2 is a schematic view of a top support assembly for a freezer cover seal;
FIG. 3 is an enlarged view of area A of FIG. 1;
FIG. 4 is an enlarged view of the area B in FIG. 1;
in the figure: 10-cabinet body, 20-cover body, 201-notch, 30-annular plate, 40-flexible sealing component, 401-one-way valve plate, 402-exhaust pipe, 403-flexible layer, 404-annular shell, 50-top bracing component, 501-triangular plate, 502-arc-shaped bulge, 503-connecting plate, 60-gas injection component, 601-roller, 602-piston rod, 603-first elastic component, 604-gas injection pipeline, 605-plunger, 70-gas discharge component, 701-second elastic component, 702-V-shaped rod and 703-thimble.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Referring to fig. 1, the embodiment provides a sealing device for a cover plate of an ice chest, including a cabinet 10, a cover 20, a ring plate 30, a flexible sealing assembly 40, a top support assembly 50 and an air injection assembly 60, wherein the cover 20 is hinged to one side of the cabinet 10, the ring plate 30 is fixedly mounted to one side of the cover 20 facing the cabinet 10, the flexible sealing assembly 40 is annularly disposed to the outer side of the ring plate 30, the top support assembly 50 is mounted on the inner wall of the cabinet 10, and the air injection assembly 60 is movably disposed inside the ring plate 30, when the cover 20 is turned over and covers one side of the cabinet 10, the top support assembly 50 can drive the air injection assembly 60 to move, so as to pressurize and supply air to the interior of the flexible sealing assembly 40 and drive the flexible sealing assembly 40 to bulge and attach to the inner wall of the cabinet 10, thereby achieving sealing between the cover 20 and the cabinet 10.
When the cover 20 is turned over and covers one side of the cabinet 10, the top support assembly 50 may act on the gas injection assembly 60 and drive the gas injection assembly 60 to move, and when the gas injection assembly 60 moves, air may be pressurized and sent to the inside of the flexible sealing assembly 40, so as to drive the flexible sealing assembly 40 to expand and adhere to the inner wall of the cabinet 10, thereby achieving sealing between the cover 20 and the cabinet 10.
Referring to fig. 2, 3 and 4, in an embodiment, the flexible sealing assembly 40 includes an annular housing 404 and a flexible layer 403, the annular housing 404 is disposed around an outer wall of the annular plate 30, the flexible layer 403 is disposed on a side of the annular housing 404 away from the annular plate 30, the top bracing assembly 50 includes a triangular plate 501 and an arc-shaped protrusion 502 disposed on an inclined surface of the triangular plate 501, the triangular plate 501 extends to an inner side of the annular plate 30, two ends of the arc-shaped protrusion 502 have different lengths from corners of the triangular plate 501, the gas injection assembly 60 includes a gas injection pipe 604 and a plunger 605 movably disposed inside the gas injection pipe 604, a piston rod 602 is fixedly disposed on one side of the plunger 605, one end of the piston rod 602 extends to an outer side of the gas injection pipe 604, and one end of the gas injection pipe 604 is communicated with a cavity formed between the annular housing 404 and the flexible layer 403.
When the cover 20 is turned over and covers one side of the cabinet 10, the ring plate 30, the gas injection pipe 604, the plunger 605 and the piston rod 602 are driven to rotate synchronously, one end of the piston rod 602 can act on the arc-shaped protrusion 502 and slide along the arc-shaped protrusion 502 in the subsequent rotation process of the piston rod 602, because the lengths of the two ends of the arc-shaped protrusion 502 and the corner positions of the triangle 501 are different, when the piston rod 602 slides along the arc-shaped protrusion 502, the arc-shaped protrusion 502 can push the piston rod 602 to move towards the inside of the gas injection pipe 604, and further the plunger 605 is driven to move, so that the air inside the gas injection pipe 604 is pumped into the cavity formed between the annular shell 404 and the flexible layer 403, and the flexible layer 403 is driven to swell and be completely attached to the inner wall of the cabinet 10, thereby achieving the sealing between the cover 20 and the cabinet 10.
Referring to fig. 2, in one embodiment, one side of the triangle 501 is fixedly connected to the inner wall of the cabinet 10 through a connecting plate 503.
Referring to fig. 3, in an embodiment, a roller 601 is rotatably disposed at an end of the piston rod 602 located outside the gas injection pipe 604, and through the arrangement of the roller 601, when the piston rod 602 acts on the arc-shaped protrusion 502, the roller 601 can roll in comparison with the arc-shaped protrusion 502, so as to reduce friction between the piston rod 602 and the arc-shaped protrusion 502, and ensure that the arc-shaped protrusion 502 can smoothly push the piston rod 602 and the plunger 605 to move towards the inside of the gas injection pipe 604, thereby achieving smooth pressure feeding of air.
Referring to fig. 2, in one embodiment, the plunger 605 is connected to the inner wall of the gas injection pipe 604 via a first elastic member 603.
When the cover 20 is turned over and opened from one side of the cabinet 10, the first elastic member 603 may drive the plunger 605 and the piston rod 602 to move in opposite directions, so as to reset the piston rod 602 and the plunger 605, so that when the cover 20 is subsequently closed to one side of the cabinet 10, the arc-shaped protrusion 502 can push the piston rod 602 and the plunger 605 to move towards the inside of the gas injection pipe 604 again, thereby achieving the resealing between the cover 20 and the cabinet 10.
Referring to fig. 4, in one embodiment, a notch 201 is formed on one side of the cover 20, and an air discharging assembly 70 is disposed inside the notch 201, when the cover 20 is turned over to open from one side of the cabinet 10, the air discharging assembly 70 is used to discharge air from the interior of the flexible air storage assembly 40, so as to prevent the cover 20 from being difficult to open due to the high adhesion tightness between the flexible layer 403 and the inner wall of the cabinet 10.
Referring to fig. 4, in an embodiment, an exhaust pipe 402 is disposed at one side of the annular housing 404, a check valve plate 401 is disposed inside the exhaust pipe 402, the air bleeding assembly 70 includes a V-shaped rod 702 and a thimble 703 disposed at one end of the V-shaped rod 702, one end of the thimble 703 extends into the exhaust pipe 402, the V-shaped rod 702 is hinged to an inner wall of the notch 201, and the V-shaped rod 702 is connected to the inner wall of the notch 201 through a second elastic member 701.
When the cover body 20 is opened, the V-shaped rod 702 can be buckled, the V-shaped rod 702 is stressed to rotate, so as to drive the thimble 703 to move towards the inside of the exhaust pipe 402, thereby acting on the one-way valve plate 401, the one-way valve plate 401 is driven to deflect towards the inside of the exhaust pipe 402, at this time, air between the annular shell 404 and the flexible layer 403 can be discharged from the exhaust pipe 402, the flexible layer 403 is shriveled and separated from the inner wall of the cabinet body 10, and then one end of the cover body 20 is lifted, so that the cover body 20 is overturned compared with the cabinet body 10, and the cover body 20 is opened smoothly.
In an embodiment, the first elastic member 603 and the second elastic member 701 may be springs or metal elastic sheets, which are not limited herein, and the flexible layer 403 may be a rubber layer or a silicon rubber layer, which is not limited herein.
In the embodiment of the present invention, when the cover body 20 is turned over and covers one side of the cabinet body 10, the top supporting assembly 50 can act on the gas injection assembly 60 and drive the gas injection assembly 60 to move, and when the gas injection assembly 60 moves, air can be pressurized and sent into the flexible sealing assembly 40, so as to drive the flexible sealing assembly 40 to expand and attach to the inner wall of the cabinet body 10.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (7)
1. A sealing device for a cover plate of a refrigerator is characterized by comprising a cabinet body, a cover body, a ring plate, a flexible sealing assembly, a top support assembly and a gas injection assembly,
the cover body is hinged on one side of the cabinet body,
the ring plate is fixedly arranged on one side of the cover body facing the cabinet body,
the flexible sealing component is arranged on the outer side of the annular plate in a surrounding manner,
the top bracing component is arranged on the inner wall of the cabinet body,
the gas injection assembly is movably arranged on the inner side of the annular plate,
when the cover body is turned over and covers one side of the cabinet body, the top support assembly can drive the gas injection assembly to move so as to pump air into the flexible sealing assembly under pressure and drive the flexible sealing assembly to be expanded and attached to the inner wall of the cabinet body, and sealing between the cover body and the cabinet body is achieved.
2. The seal arrangement for an ice bin cover according to claim 1, wherein said flexible seal assembly comprises an annular housing annularly disposed on said ring plate outer wall and a flexible layer disposed on a side of said annular housing remote from said ring plate,
the top bracing component comprises a triangular plate and an arc-shaped bulge arranged at the inclined plane of the triangular plate, the triangular plate extends to the inner side of the annular plate, the two ends of the arc-shaped bulge are different from the corner position of the triangular plate in length,
the gas injection subassembly includes that gas injection pipeline and activity set up the plunger in the gas injection pipeline is inside, the fixed piston rod that is provided with in plunger one side, piston rod one end extends to the gas injection pipeline outside, the cavity intercommunication that forms between gas injection pipeline one end and annular housing and the flexible layer.
3. The seal arrangement according to claim 2, wherein one side of said gusset plate is fixedly connected to the inner wall of the cabinet by a connecting plate.
4. The sealing device for the cover of an ice chest as claimed in claim 2, wherein the end of said piston rod outside said gas injection tube is rotatably provided with a roller.
5. The sealing device for the cover plate of the ice bin according to claim 2, wherein said plunger is connected to the inner wall of said gas injection pipe by a first elastic member.
6. The sealing device for refrigerator cover plates according to claim 2, wherein a notch is formed on one side of the cover body, a vent assembly is arranged inside the notch,
when the cover body is turned over to be opened from one side of the cabinet body, the air discharging assembly is used for discharging air in the flexible air storage assembly.
7. The sealing device for the cover plate of the ice bin as claimed in claim 6, wherein an exhaust pipe is arranged on one side of the annular shell, a one-way valve plate is arranged inside the exhaust pipe,
the air discharging component comprises a V-shaped rod and a thimble arranged at one end of the V-shaped rod,
one end of the thimble extends into the exhaust pipe, the V-shaped rod is hinged with the inner wall of the notch, and the V-shaped rod is connected with the inner wall of the notch through a second elastic piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210467548.1A CN114739099B (en) | 2022-04-29 | 2022-04-29 | Sealing device for cover plate of refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210467548.1A CN114739099B (en) | 2022-04-29 | 2022-04-29 | Sealing device for cover plate of refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114739099A true CN114739099A (en) | 2022-07-12 |
| CN114739099B CN114739099B (en) | 2024-05-10 |
Family
ID=82285002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210467548.1A Active CN114739099B (en) | 2022-04-29 | 2022-04-29 | Sealing device for cover plate of refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114739099B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3302333A (en) * | 1963-08-05 | 1967-02-07 | Maille & Vagneux Ets | Air-tight doors equipped with inflatable seals |
| CN201043431Y (en) * | 2007-03-23 | 2008-04-02 | 海信（北京）电器有限公司 | Door sealing strip with air bag and refrigerator with the same |
| CN101342970A (en) * | 2007-07-11 | 2009-01-14 | 博西华电器（江苏）有限公司 | Vacuum freshness retaining box and household electrical appliance employing the same |
| CN103925763A (en) * | 2014-04-25 | 2014-07-16 | 合肥美的电冰箱有限公司 | Refrigerator door sealing device, refrigerator door and refrigerator |
| CN111677397A (en) * | 2020-06-11 | 2020-09-18 | 廖青连 | Magnetic control type freezer door easy-opening system |
| CN112993818A (en) * | 2021-02-25 | 2021-06-18 | 中驰三龙电力股份有限公司 | Feeder automation terminal switch cabinet |
-
2022
- 2022-04-29 CN CN202210467548.1A patent/CN114739099B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3302333A (en) * | 1963-08-05 | 1967-02-07 | Maille & Vagneux Ets | Air-tight doors equipped with inflatable seals |
| CN201043431Y (en) * | 2007-03-23 | 2008-04-02 | 海信（北京）电器有限公司 | Door sealing strip with air bag and refrigerator with the same |
| CN101342970A (en) * | 2007-07-11 | 2009-01-14 | 博西华电器（江苏）有限公司 | Vacuum freshness retaining box and household electrical appliance employing the same |
| CN103925763A (en) * | 2014-04-25 | 2014-07-16 | 合肥美的电冰箱有限公司 | Refrigerator door sealing device, refrigerator door and refrigerator |
| CN111677397A (en) * | 2020-06-11 | 2020-09-18 | 廖青连 | Magnetic control type freezer door easy-opening system |
| CN112993818A (en) * | 2021-02-25 | 2021-06-18 | 中驰三龙电力股份有限公司 | Feeder automation terminal switch cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114739099B (en) | 2024-05-10 |
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