CN109373690B - Adsorption type sealed refrigerator door - Google Patents

Adsorption type sealed refrigerator door Download PDF

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Publication number
CN109373690B
CN109373690B CN201811637054.3A CN201811637054A CN109373690B CN 109373690 B CN109373690 B CN 109373690B CN 201811637054 A CN201811637054 A CN 201811637054A CN 109373690 B CN109373690 B CN 109373690B
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China
Prior art keywords
refrigerator
adjusting cavity
door
door body
telescopic cylinder
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CN201811637054.3A
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Chinese (zh)
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CN109373690A (en
Inventor
胡振强
郭晓敏
张小丽
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Hefei Xinglong Metal Products Co ltd
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Individual
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • F25D23/02Doors; Covers
    • F25D23/028Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2323/00General constructional features not provided for in other groups of this subclass
    • F25D2323/02Details of doors or covers not otherwise covered

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  • 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)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

The invention relates to an adsorption type sealed refrigerator door, which comprises a door body and a sealing strip capable of being matched with and adsorbed by a refrigerator body, wherein an insulating layer is arranged on the inner plate surface of the door body, and a handle is arranged on the outer plate surface; the sealing strips are arranged on four sides of the inner plate surface of the door body and are composed of hollow pipes made of elastic materials, and adsorption holes are formed in one sides, facing the refrigerator body, of the hollow pipes; the refrigerator door body is characterized in that an adjusting cavity is arranged on the door body, a port of the adjusting cavity is opposite to a refrigerator body, an elastic strain gauge is arranged at the port of the adjusting cavity in a sealing mode, and the elastic strain gauge and the adjusting cavity form a closed space; the closed space is communicated with the hollow pipe through an air duct; this refrigerator door novel structure, principle are unique, can effectively strengthen the sealed effect of refrigerator door to improve the heat preservation ability of refrigerator, save power consumption simultaneously.

Description

Adsorption type sealed refrigerator door
Technical Field
The invention relates to a refrigerator accessory, in particular to a refrigerator door.
Background
The refrigerator is a common household appliance, can effectively prolong the storage time of food, and is one of necessary household appliances in the current family life; however, after the refrigerator is used for a long time, the sealing strips of the refrigerator door deform or age to different degrees, so that the sealing performance of the refrigerator door is reduced, the heat insulation performance of the refrigerator is reduced, and the storage and fresh-keeping capacity of food is reduced; meanwhile, when the refrigerator door cannot be sealed, outside water vapor enters the refrigerator and can be condensed on the inner wall of the refrigerator to form an ice layer, so that the refrigerating effect of the refrigerator is reduced, the refrigerating and fresh-keeping effects of the refrigerator are reduced, and more electric energy is consumed; therefore, the sealing ability of the refrigerator door is one of important standards for assessing the quality of the refrigerator.
Disclosure of Invention
Aiming at the problems, the invention provides the adsorption type sealed refrigerator door which is novel in structure and unique in principle and can effectively enhance the sealing effect of the refrigerator door, so that the heat preservation capability of the refrigerator is improved, and meanwhile, the power consumption is saved.
In order to solve the problems, the technical scheme adopted by the invention is as follows: the adsorption type sealed refrigerator door comprises a door body and a sealing strip capable of being matched with and adsorbed by a refrigerator body, wherein a heat insulation layer is arranged on the inner plate surface of the door body, and a handle is arranged on the outer plate surface;
the sealing strips are arranged on four sides of the inner plate surface of the door body and are composed of hollow pipes made of elastic materials, and adsorption holes are formed in one sides, facing the refrigerator body, of the hollow pipes;
the refrigerator door body is characterized in that an adjusting cavity is arranged on the door body, a port of the adjusting cavity is opposite to a refrigerator body, an elastic strain gauge is arranged at the port of the adjusting cavity in a sealing mode, and the elastic strain gauge and the adjusting cavity form a closed space; the closed space is communicated with the hollow pipe through an air duct.
The invention has the beneficial effects that: when the refrigerator door is opened, the adsorption hole is communicated with the outside, warm outside air enters the adsorption hole, and the elastic strain gauge is in a natural shape; after the refrigerator door is closed, the sealing strip and the edge of the refrigerator body are preliminarily adsorbed and closed, each adsorption hole is blocked by the edge of the refrigerator body, and at the moment, a cavity formed by the adjusting cavity, the air guide pipe and the adsorption hole is sealed; then, the cold air in the refrigerator cools the adjusting cavity through the elastic strain gauge, so that the air pressure in the cavity is gradually reduced, the adsorption holes are more tightly adsorbed on the edge of the refrigerator body under the action of the air pressure difference, and the refrigerator door is more tightly adsorbed on the refrigerator body; when the user pulls open the refrigerator door, elastic strain gauge can take place to the sunken elastic deformation of the door body, and finally the refrigerator door is opened, and elastic strain gauge reconversion.
The structure can gradually improve the sealing performance of the refrigerator door by utilizing the refrigeration effect of the refrigerator under the condition that the refrigerator door is initially closed, and effectively prevent the air leakage condition caused by slight deformation or aging of the sealing strip, thereby improving the air tightness and the heat insulation performance of the refrigerator; effectively preventing the water vapor from entering the refrigerator body and condensing into an ice layer and further reducing the energy consumption.
Preferably, the handle comprises a sliding column fixed on the panel surface outside the door body and a pull handle, and the pull handle and the sliding column are made of permanent magnetic materials with attractive magnetism; the end part of the pull handle is provided with a sliding groove matched with the sliding column, the depth of the sliding groove is greater than the length of the sliding column, an elastic bag is arranged between the end part of the sliding column and the bottom of the sliding groove, and two end faces of the elastic bag are fixed at the end part of the sliding column and the bottom of the sliding groove; an airtight telescopic cylinder is arranged in the adjusting cavity, and the axial end part of the airtight telescopic cylinder is opposite to the elastic strain gauge; the airtight telescopic cylinder can extend along the axial direction when gas enters; the airtight telescopic cylinder is communicated with the elastic bag through a flow guide pipe; when the user need open the refrigerator door, the pulling handle can make the pulling handle slide for the slip post, and the elasticity bag is lengthened this moment, so gas gets into the elasticity bag from airtight flexible section of thick bamboo, and airtight flexible section of thick bamboo shortens, and elasticity foil springback, so the volume reduces in adjusting the chamber, adjusts the inside atmospheric pressure increase of intracavity, and the atmospheric pressure increase of the adsorption orifice department that adjusts the chamber intercommunication, so adsorption efficiency descends, the opening refrigerator door that the user can be convenient this moment.
Preferably, the elastic strain gauge is fixedly provided with a damping cylinder, the damping cylinder is sleeved outside the airtight telescopic cylinder, and the inner wall of the damping cylinder is in damping contact with the airtight telescopic cylinder; the damping cylinder is sleeved outside the airtight telescopic cylinder, and a certain static friction force is kept between the damping cylinder and the airtight telescopic cylinder; when the air pressure in the adjusting cavity is low, the elastic strain gauge deforms under the action of pressure difference, so that the damping cylinder moves relative to the airtight telescopic cylinder, and the air pressure in the adjusting cavity gradually increases until the pressure difference is balanced with the damping force; the structure can ensure that the adsorption hole is kept with certain suction, and the hollow pipe cannot excessively deform due to too low air pressure in the adjusting cavity, so that the hollow pipe is aged or cracked, and the service life of the hollow pipe is ensured.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of an embodiment of the door of the suction type refrigerator.
Fig. 2 is a schematic front view of the embodiment shown in fig. 1.
Detailed Description
Example (b):
in the embodiment shown in fig. 1 and 2, the adsorption type sealed refrigerator door comprises a door body 1 and a sealing strip 2 capable of being matched and adsorbed with a refrigerator body, wherein an insulating layer is arranged on the inner plate surface of the door body 1, and a handle is arranged on the outer plate surface;
the sealing strips 2 are arranged on four sides of the inner plate surface of the door body 1, the sealing strips 2 are composed of hollow tubes made of elastic materials, and one sides of the hollow tubes facing the refrigerator body are provided with adsorption holes 21;
an adjusting cavity 3 is arranged on the door body 1, the port of the adjusting cavity 3 is opposite to the refrigerator body, an elastic strain gauge 31 is arranged at the port of the adjusting cavity 3 in a sealing manner, and the elastic strain gauge 31 and the adjusting cavity 3 form a closed space; the closed space is communicated with the hollow pipe through an air duct 32;
the handle comprises a sliding column 41 fixed on the outer plate surface of the door body 1 and a pull handle 42, wherein the pull handle 42 and the sliding column 41 are made of permanent magnetic materials with attractive magnetism; a sliding groove matched with the sliding column 41 is formed in the end part of the pull handle 42, the depth of the sliding groove is larger than the length of the sliding column 41, an elastic bag 5 is arranged between the end part of the sliding column 41 and the bottom of the sliding groove, and two end faces of the elastic bag 5 are fixed to the end part of the sliding column 41 and the bottom of the sliding groove; an airtight telescopic cylinder 6 is arranged in the adjusting cavity 3, and the axial end part of the airtight telescopic cylinder 6 is over against the elastic strain gauge 31; the airtight telescopic cylinder 6 can extend along the axial direction when gas enters; the airtight telescopic cylinder 6 is communicated with the elastic bag 5 through a guide pipe 61 which can penetrate through the axis of the sliding column and is communicated with the elastic bag; the elastic strain gauge 31 is fixedly provided with a damping cylinder 311, the damping cylinder 311 is sleeved outside the airtight telescopic cylinder 6, and the inner wall of the damping cylinder 311 is in damping contact with the airtight telescopic cylinder 6.
When the refrigerator door is opened, the adsorption hole 21 is communicated with the outside, warm outside air enters the adsorption hole 21, and the elastic strain gauge 31 is in a natural state; after the refrigerator door is closed, the sealing strip 2 and the edge of the refrigerator body are preliminarily adsorbed and closed, each adsorption hole 21 is blocked by the edge of the refrigerator body, and at the moment, a cavity formed by the adjusting cavity 3, the air guide pipe 32 and the adsorption holes 21 is sealed; then, the cold air in the refrigerator cools the adjusting cavity 3 through the elastic strain gauge 31, so that the air pressure in the cavity is gradually reduced, and the adsorption holes 21 are more closely adsorbed on the edge of the refrigerator body under the action of the air pressure difference, so that the refrigerator door is more closely adsorbed on the refrigerator body; in the process, the pull handle 42 and the sliding column 41 keep magnetic adsorption, the volume of the elastic bag 5 is small, and then the airtight telescopic cylinder 6 keeps an expanded state; the expanded airtight telescopic cylinder 6 supports against the elastic strain gauge 31, and the elastic strain gauge 31 is effectively prevented from deforming, so that sufficient low air pressure is generated in the adjusting cavity 3, and the airtightness of the refrigerator door is further ensured.
When the user need open the refrigerator door, the pulling handle can make the pulling handle 42 slide for sliding column 41, elasticity bag 5 is elongated this moment, then gas gets into elasticity bag 5 from airtight telescopic tube 6, airtight telescopic tube 6 shortens, elasticity foil gage 31 kick-backs, then volume reduces in adjusting chamber 3, adjust the inside atmospheric pressure increase of chamber 3, with the atmospheric pressure increase of the absorption hole 21 department of adjusting chamber 3 intercommunication, then adsorption efficiency descends, the refrigerator door of opening that the user can be convenient this moment.
In this embodiment, a damping cylinder 311 is further fixedly disposed on the elastic strain gauge 31, the damping cylinder 311 is sleeved outside the airtight telescopic cylinder 6, and an inner wall of the damping cylinder 311 is in damping contact with the airtight telescopic cylinder 6; the damping cylinder 311 is sleeved outside the airtight telescopic cylinder 6, and a certain static friction force is kept between the damping cylinder 311 and the airtight telescopic cylinder 6; when the air pressure in the adjusting chamber 3 is too low, the force applied by the pressure difference to the elastic strain gauge 31 is larger than the static friction force, so that the damping cylinder 311 moves relative to the airtight telescopic cylinder 6, and then the air pressure in the adjusting chamber 3 is properly increased until the damping force can be balanced with the pressure generated by the pressure difference; this structure can guarantee that 21 departments of adsorption hole keep certain suction, can not cross low excessive deformation that causes the hollow tube because of the atmospheric pressure of adjusting in the chamber 3, causes the ageing or fracture of hollow tube to the life of hollow tube has been guaranteed.
In conclusion, the refrigerator door sealing structure can gradually improve the sealing performance of the refrigerator door by utilizing the refrigeration function of the refrigerator under the condition that the refrigerator door is initially closed, and effectively prevent the sealing strip 2 from being slightly deformed or being aged to cause air leakage, thereby improving the air tightness and heat insulation performance of the refrigerator, further effectively preventing water vapor from entering the refrigerator body of the refrigerator to be condensed into an ice layer, and further reducing energy consumption.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (3)

1. An adsorption type sealing refrigerator door comprises a door body (1) and a sealing strip (2) capable of being matched with and adsorbed by a refrigerator body, wherein a heat insulation layer is arranged on the inner plate surface of the door body (1), and a handle is arranged on the outer plate surface; the method is characterized in that: the sealing strips (2) are arranged on four sides of the inner plate surface of the door body (1), the sealing strips (2) are composed of hollow tubes made of elastic materials, and one sides of the hollow tubes facing the refrigerator body are provided with adsorption holes (21); an adjusting cavity (3) is formed in the door body (1), a port of the adjusting cavity (3) is opposite to a refrigerator body, an elastic strain gauge (31) is arranged at the port of the adjusting cavity (3) in a sealing mode, and the elastic strain gauge (31) and the adjusting cavity (3) form a closed space; the closed space is communicated with the hollow pipe through an air duct (32).
2. The suction-type sealed refrigerator door of claim 1, wherein: the handle comprises a sliding column (41) fixed on the outer plate surface of the door body (1) and a pull handle (42), and the pull handle (42) and the sliding column (41) are made of permanent magnetic materials with attractive magnetism; a sliding groove matched with the sliding column (41) is formed in the end part of the pull handle (42), the depth of the sliding groove is larger than the length of the sliding column (41), an elastic bag (5) is arranged between the end part of the sliding column (41) and the bottom of the sliding groove, and two end faces of the elastic bag (5) are fixed to the end part of the sliding column (41) and the bottom of the sliding groove; an airtight telescopic cylinder (6) is arranged in the adjusting cavity (3), and the axial end part of the airtight telescopic cylinder (6) is over against the elastic strain gauge (31); the airtight telescopic cylinder (6) can extend along the axial direction when gas enters; the airtight telescopic cylinder (6) is communicated with the elastic bag (5) through a guide pipe (61).
3. The suction-type sealed refrigerator door of claim 2, wherein: the elastic strain gauge (31) is fixedly provided with a damping cylinder (311), the damping cylinder (311) is sleeved outside the airtight telescopic cylinder (6), and the inner wall of the damping cylinder (311) is in damping contact with the airtight telescopic cylinder (6).
CN201811637054.3A 2018-12-29 2018-12-29 Adsorption type sealed refrigerator door Active CN109373690B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811637054.3A CN109373690B (en) 2018-12-29 2018-12-29 Adsorption type sealed refrigerator door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811637054.3A CN109373690B (en) 2018-12-29 2018-12-29 Adsorption type sealed refrigerator door

Publications (2)

Publication Number Publication Date
CN109373690A CN109373690A (en) 2019-02-22
CN109373690B true CN109373690B (en) 2021-09-17

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111964343B (en) * 2020-07-13 2021-12-28 温岭市鸿露橡胶制品有限公司 Refrigerator with self-suction type sealing door
CN115406171B (en) * 2021-05-28 2024-01-12 青岛海尔特种电冰柜有限公司 Door body assembly and refrigerator with same

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100707434B1 (en) * 2005-02-26 2007-04-13 엘지전자 주식회사 Device for separating side gasket of refrigerator
DE102008041187A1 (en) * 2008-08-12 2010-02-18 BSH Bosch und Siemens Hausgeräte GmbH Refrigeration unit with pressure equalization passage
CN201522170U (en) * 2009-10-12 2010-07-07 沈凯峰 Sealing gasket on refrigerator door
CN202660842U (en) * 2012-06-30 2013-01-09 安徽万朗磁塑集团有限公司 Seal strip for opposite-attraction-door refrigerator doors
CN102927754B (en) * 2012-11-26 2015-06-17 合肥华凌股份有限公司 Door seal for refrigerator and refrigerator with same
CN103851860B (en) * 2012-12-07 2016-11-23 海尔集团公司 Seal strip for refrigerator door
CN104279825A (en) * 2014-10-31 2015-01-14 合肥美的电冰箱有限公司 Door body and refrigerator
CN204478671U (en) * 2014-12-31 2015-07-15 合肥美的电冰箱有限公司 Refrigerator doors and refrigerator
CN104613717B (en) * 2015-03-02 2017-01-18 陈芊羽 Energy-saving easy-to-open fridge
CN104896843A (en) * 2015-06-09 2015-09-09 合肥晶弘电器有限公司 Sealing strip of cold storage door and refrigerator
CN205843197U (en) * 2016-07-29 2016-12-28 合肥美菱股份有限公司 A kind of large refrigerator type gate seal structure
CN206094726U (en) * 2016-10-10 2017-04-12 芜湖星宏商贸有限公司 Joint strip of refrigerator door
CN207180129U (en) * 2017-03-23 2018-04-03 青岛海尔智能技术研发有限公司 Refrigerator
CN108547525B (en) * 2018-03-28 2020-11-24 青岛海尔股份有限公司 Power-assisted door opening device and refrigerator with same

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SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information

Inventor after: Hu Zhenqiang

Inventor after: Guo Xiaomin

Inventor after: Zhang Xiaoli

Inventor before: Hu Zhenqiang

CB03 Change of inventor or designer information
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20231205

Address after: 230000, No.3437 Yuping Road, Hefei Economic and Technological Development Zone, Anhui Province

Patentee after: Hefei Xinglong Metal Products Co.,Ltd.

Address before: 215000 block a, shuixiutiandi Binyue international apartment, Kaiping Road, Wujiang District, Suzhou City, Jiangsu Province

Patentee before: Hu Zhenqiang

TR01 Transfer of patent right