CN112611156B - Chamber connecting device and refrigerator of leak protection bubble - Google Patents
Chamber connecting device and refrigerator of leak protection bubble Download PDFInfo
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- CN112611156B CN112611156B CN202011521349.1A CN202011521349A CN112611156B CN 112611156 B CN112611156 B CN 112611156B CN 202011521349 A CN202011521349 A CN 202011521349A CN 112611156 B CN112611156 B CN 112611156B
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- buffer
- chamber
- compartment
- end part
- cylindrical
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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
- F25D23/06—Walls
- F25D23/065—Details
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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
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
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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)
Abstract
The invention provides a bubble leakage prevention compartment connecting device and a refrigerator, wherein the compartment connecting device is used for connecting a first compartment and a second compartment and comprises an upper end part connected with the first compartment, a lower end part connected with the second compartment and a cylindrical buffer chamber arranged between the upper end part and the lower end part, the cylindrical buffer chamber comprises a cylindrical shell connected with the lower end part in a sealing manner and a buffer inner part connected with the upper end part in a sealing manner, the buffer inner part is arranged in the cylindrical shell, and a gap is formed between the top of the buffer inner part and the top of the cylindrical shell. The inner buffering part and the cylindrical shell form three material leakage buffering chambers together in the bubble leakage prevention chamber connecting device provided by the invention, and the extrusion force generated in the foaming process can be relieved through the material leakage buffering chambers, so that the bubble leakage phenomenon is avoided.
Description
Technical Field
The invention relates to the field of refrigeration equipment, in particular to a bubble-leakage-preventing chamber connecting device and a refrigerator.
Background
With the development of technology, the existing refrigerator is generally a multifunctional intelligent refrigerator. Existing refrigerators typically have a number of compartments with different functions, such as a freezer compartment, a refrigerator compartment, a 0 ° fresh food compartment, and the like. The air flow channel needs to be established between the compartments with different functions, taking a freezing compartment and a refrigerating compartment as an example, in the prior art, a cylindrical connecting part as shown in fig. 1 is usually arranged between the freezing compartment and the refrigerating compartment, and a buffering structure for foam materials is not arranged in the cylindrical connecting part, so that the phenomenon of foam leakage of the cylindrical connecting part is easily caused in the foaming process.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a bubble leakage prevention chamber connecting device and a refrigerator, and aims to solve the problem that bubbles are easy to leak in the chamber connecting part of the conventional refrigerator.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a room connecting device between leak protection bubble for connect first room and second room, wherein, include with the upper end that first room is connected, with the lower tip that second room is connected, and set up cylinder type surge chamber between upper end and the lower tip, cylinder type surge chamber include with tip sealing connection's cylinder type shell down, and with upper end sealing connection's buffering inner part, the setting of buffering inner part is in the inside of cylinder type shell, just the top of buffering inner part with the top of cylinder type shell is provided with the gap.
And the bubble leakage prevention chamber connecting device is characterized in that a sealing bottom plate is arranged at the joint of the lower end of the cylindrical shell and the lower end part.
The bubble-leakage-preventing chamber connecting device is characterized in that a fixing seat used for fixedly mounting the buffering inner part is arranged on the sealing bottom plate, and the fixing seat comprises a supporting part and a fixing groove.
The bubble leakage prevention chamber connecting device is characterized in that the buffering inner part comprises a hollow cylindrical barrel and a top plate which is positioned at the upper end of the hollow cylindrical barrel and is in sealing connection with the upper end, a first buffering table in an inverted circular truncated cone shape is arranged in the middle of the outer wall of the hollow cylindrical barrel, and a second buffering table in a circular truncated cone shape is arranged at the position, close to the lower end, of the hollow cylindrical barrel.
And the bubble leakage preventing chamber connecting device is characterized in that a first-stage leakage buffering chamber is formed by the top plate, the first buffering table and the inner wall of the cylindrical shell.
And the bubble leakage preventing chamber connecting device is characterized in that a second-stage leakage buffering chamber is formed by the first buffering table, the second buffering table and the inner wall of the cylindrical shell.
And the bubble leakage preventing chamber connecting device is characterized in that a third-level leakage buffer chamber is formed by the second buffer component, the sealing bottom plate and the inner wall of the cylindrical shell.
The bubble-leakage-proof chamber connecting device is characterized in that the fixing seat, the sealing bottom plate and the cylindrical shell are integrally formed.
The bubble leakage preventing chamber connecting device is characterized in that the inner diameter of the hollow cylindrical barrel is equal to that of the supporting part of the fixing seat, and the outer diameter of the hollow cylindrical barrel is equal to that of the fixing groove of the fixing seat.
A refrigerator comprising at least two compartments, and a bubble leakage preventing compartment connecting device according to the present invention for connecting adjacent compartments.
Has the advantages that: the invention provides a bubble leakage prevention chamber connecting device, which is used for connecting a first chamber with a second chamber and comprises an upper end part connected with the first chamber, a lower end part connected with the second chamber and a cylindrical buffer chamber arranged between the upper end part and the lower end part, wherein the cylindrical buffer chamber comprises a cylindrical shell hermetically connected with the lower end part and a buffer inner part hermetically connected with the upper end part, the buffer inner part is arranged in the cylindrical shell, and a gap is formed between the top of the buffer inner part and the top end of the cylindrical shell. The inner buffer part and the cylindrical shell form three material leakage buffer chambers together in the bubble leakage prevention chamber connecting device provided by the invention, and the extrusion force generated in the foaming process can be relieved through the material leakage buffer chambers, so that the bubble leakage phenomenon is avoided.
Drawings
Fig. 1 is a sectional view of a cylinder connection member between compartments in a refrigerator in the related art.
FIG. 2 is an overall view of the bubble leakage preventing chamber connecting device according to the present invention.
Fig. 3 is a cross-sectional view of a bubble leakage preventing compartment connecting device according to the present invention.
Fig. 4 is a schematic structural view of the fixing base.
Fig. 5 is a schematic view of the structure of the inner buffer member.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Generally, the foaming material is injected into the refrigerator and divided into three stages, wherein the first stage is an unfilled filling stage, the period of time refers to the period from the moment that the foaming reactant is injected into the refrigerator to the moment that the fiber begins, and the flowing or climbing of the foaming reactant is in a free state because the starting volume of the foaming reactant is far smaller than the space to be filled in the period of time; the second stage is a filling stage which is just full, and at the end of the filling stage, the foaming reactant fills the whole space in the box body, and only partial and extremely individual small spaces or corners are not filled in place; the third stage is an overfilling filling stage, in order to ensure the dimensional stability of the foaming layer, the filling amount of the box body is overfilling, at the moment, the foaming reactant completely fills the whole box body, and a large extrusion force can be generated in the foaming process.
Referring to fig. 1, which is a cross-sectional view of a cylindrical connecting part between chambers in a refrigerator in the prior art, in a foaming process, when entering the third stage, the cylindrical connecting part is deformed by a large pressure due to an extrusion force generated in the foaming process, and a bubble leakage phenomenon occurs at the same time, so that a bubble void or an appearance quality problem is generated, and a heat insulation performance and a service life of the refrigerator are further affected.
Referring to fig. 2 and 3, in order to overcome the disadvantages of the prior art, the present invention provides a bubble-leakage-preventing chamber connecting device for connecting a first chamber and a second chamber, which includes an upper end portion 10 connected to the first chamber, a lower end portion 20 connected to the second chamber, and a cylindrical buffer chamber 30 disposed between the upper end portion 10 and the lower end portion 20, wherein the cylindrical buffer chamber 30 includes a cylindrical outer shell 31 hermetically connected to the lower end portion 20, and a buffer inner part 32 hermetically connected to the upper end portion 10, the buffer inner part 32 is disposed inside the cylindrical outer shell 31, and a gap is disposed between the top of the buffer inner part 32 and the top end of the cylindrical outer shell 31.
In particular, the existing refrigerator is generally a multifunctional intelligent refrigerator having a plurality of compartments with different functions, such as a freezing compartment, a refrigerating compartment, a 0 ° fresh-keeping compartment, and the like, and the bubble-proof compartment connecting device is used for connecting two adjacent compartments of the refrigerator to establish corresponding air flow channels. Use walk-in and freezer respectively as first room and second room for the example, the room connecting device of leak protection bubble include with the upper end that the walk-in is connected and with the lower tip that the freezer is connected the upper end with be provided with the cylinder type surge chamber between the tip down, and the upper end portion down tip and the cylinder type surge chamber has the through-hole of the same radius as walk-in with air current channel between the freezer, the cylinder type surge chamber includes cylinder type shell and buffering inner part, when injecting into expanded material in the box to the refrigerator, after entering into the filling phase of filling full, expanded material can follow because the effect of extrusion force the top of buffering inner part with the gap on cylinder type shell top flows into in the cylinder type surge chamber, and because the cylinder type shell with the tip is sealing connection down, can make the expanded material who overflows stay in the cylinder type surge chamber to effectively alleviate the extrusion force of foaming in-process, also avoided the production of leaking the bubble phenomenon.
In this embodiment, a sealing bottom plate 33 is disposed at a connection portion between the lower end of the cylindrical housing 31 and the lower end 20, a fixing seat 34 for fixedly mounting the inner buffer member 32 is disposed on the sealing bottom plate 33, and the fixing seat 34 includes a supporting portion 341 and a fixing groove 342.
Specifically, the lower extreme of cylinder type shell with lower tip directly sets up sealing bottom plate, both can ensure the inside leakproofness of cylinder type shell, also can with lower tip zonulae occludens prevents that the bubble material that gets into from following cylinder type shell with the clearance of lower tip overflows still set up on the sealing bottom plate and be used for fixed mounting the fixing base of buffering inner part, the fixing base includes supporting part and fixed slot two parts, the fixed slot can be used for better with the buffering inner part is fixed in the cylinder type buffer chamber, simultaneously the fixed slot also can play the positioning action, prevents the skew of buffering inner part when the installation produces the gap to the expanded material that leads to flowing in overflows from the gap.
In this embodiment, as shown in fig. 5, the inner damper component 32 includes a hollow cylindrical tube 321, a top plate 322 located at an upper end of the hollow cylindrical tube 321 and hermetically connected to the upper end portion, a first damper stage 323 having a reverse circular truncated cone shape is provided at a middle portion of an outer wall of the hollow cylindrical tube 321, and a second damper stage 324 having a circular truncated cone shape is provided at a position close to a lower end portion of the hollow cylindrical tube 321.
Specifically, the interior of the cylindrical buffer chamber is divided into three parts by the buffer inner part, and a first-stage material leakage buffer chamber a is formed by the top plate, the first buffer table and the inner wall of the cylindrical shell; a second-stage leakage buffer chamber b is formed by the first buffer table, the second buffer table and the inner wall of the cylindrical shell; and a third-level leakage buffer chamber c is formed by the second buffer assembly, the sealing bottom plate and the inner wall of the cylindrical shell.
Specifically, when the foaming material flows into the cylindrical buffer chamber from a gap between the inner buffer part and the cylindrical shell under extrusion force, the foaming material sequentially flows through the primary leakage buffer chamber, the secondary leakage buffer chamber and the tertiary leakage buffer chamber and is finally deposited at the bottom of the cylindrical buffer chamber, and the tertiary leakage buffer chamber is arranged, so that on one hand, the foaming material is prevented from flowing into excessive foaming material from the gap when being deposited in the primary leakage buffer chamber, so that the foaming material in the refrigerator is insufficient, the heat preservation performance of the refrigerator is poor, and on the other hand, the foaming material deposited in the primary leakage buffer chamber flows through the secondary leakage buffer chamber, enters the tertiary leakage buffer chamber and is finally solidified in the tertiary leakage buffer chamber, so that the foaming material deposited in the primary leakage buffer chamber can be prevented from blocking the gap between the top of the inner buffer part and the top end of the cylindrical shell after being solidified, and the deformation of the refrigerator body caused by the fact that the foaming material cannot enter the cylindrical buffer chamber under the extrusion force again can be prevented.
Preferably, in order to ensure the sealing performance inside the cylindrical housing, in some specific embodiments, the fixing seat, the sealing bottom plate and the cylindrical housing are integrally formed, so as to reduce a gap generated by connection between components and avoid an influence on the heat insulation performance of the refrigerator.
In some embodiments, the hollow cylindrical cylinder has an inner diameter equal to that of the supporting portion of the fixing base so as to maintain the smooth airflow passage between the two compartments, and the outer diameter of the hollow cylindrical cylinder is equal to that of the fixing groove of the fixing base so that the hollow cylindrical cylinder can be just fixed in the fixing groove, thereby reducing the risk of gap generation.
The invention also provides a refrigerator which comprises at least two compartments, and the bubble leakage preventing compartment connecting device is used for connecting adjacent compartments.
In summary, the present invention provides a bubble-leakage-preventing chamber connecting device, configured to connect a first chamber and a second chamber, and including an upper end connected to the first chamber, a lower end connected to the second chamber, and a cylindrical buffer chamber disposed between the upper end and the lower end, where the cylindrical buffer chamber includes a cylindrical outer shell hermetically connected to the lower end, and a buffer inner part hermetically connected to the upper end, the buffer inner part is disposed inside the cylindrical outer shell, and a gap is disposed between a top of the buffer inner part and a top of the cylindrical outer shell. The inner buffer part and the cylindrical shell form three material leakage buffer chambers together in the bubble leakage prevention chamber connecting device provided by the invention, and the extrusion force generated in the foaming process can be relieved through the material leakage buffer chambers, so that the bubble leakage phenomenon is avoided.
It will be understood that the invention is not limited to the examples described above, but that modifications and variations will occur to those skilled in the art in light of the above teachings, and that all such modifications and variations are considered to be within the scope of the invention as defined by the appended claims.
Claims (6)
1. A bubble leakage prevention compartment connecting device is used for connecting a first compartment with a second compartment and is characterized by comprising an upper end part connected with the first compartment, a lower end part connected with the second compartment and a cylindrical buffer chamber arranged between the upper end part and the lower end part, wherein the cylindrical buffer chamber comprises a cylindrical shell hermetically connected with the lower end part and a buffer inner part hermetically connected with the upper end part, the buffer inner part is arranged inside the cylindrical shell, and a gap is formed between the top of the buffer inner part and the top of the cylindrical shell;
the buffer inner part comprises a hollow cylindrical barrel and a top plate which is positioned at the upper end of the hollow cylindrical barrel and is hermetically connected with the upper end part, a first buffer table with an inverted circular truncated cone shape is arranged in the middle of the outer wall of the hollow cylindrical barrel, and a second buffer table with a circular truncated cone shape is arranged at the position, close to the lower end part, of the hollow cylindrical barrel;
a first-stage leakage buffer chamber is formed by the top plate, the first buffer table and the inner wall of the cylindrical shell;
a second-stage leakage buffer chamber is formed by the first buffer table, the second buffer table and the inner wall of the cylindrical shell;
and a third-level leakage buffer chamber is formed by the second buffer table, the sealing bottom plate and the inner wall of the cylindrical shell.
2. The bubble leakage preventing chamber connecting device according to claim 1, wherein a sealing bottom plate is arranged at the joint of the lower end of the cylindrical shell and the lower end part.
3. The bubble leakage preventing compartment connecting device according to claim 2, wherein a fixing seat for fixedly mounting the buffer inner member is provided on the sealing bottom plate, and the fixing seat includes a supporting portion and a fixing groove.
4. The bubble leakage preventing chamber connecting device as claimed in claim 3, wherein the fixing base and the sealing bottom plate are integrally formed with the cylindrical housing.
5. The bubble leakage preventing chamber connecting device according to claim 3, wherein an inner diameter of the hollow cylindrical tube is equal to an inner diameter of the supporting portion of the fixing holder, and an outer diameter of the hollow cylindrical tube is equal to an inner diameter of the fixing groove of the fixing holder.
6. A refrigerator comprising at least two compartments, and the bubble leakage preventing compartment connecting means according to any one of claims 1 to 5 for connecting adjacent compartments.
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CN202011521349.1A CN112611156B (en) | 2020-12-21 | 2020-12-21 | Chamber connecting device and refrigerator of leak protection bubble |
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CN202011521349.1A CN112611156B (en) | 2020-12-21 | 2020-12-21 | Chamber connecting device and refrigerator of leak protection bubble |
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CN112611156A CN112611156A (en) | 2021-04-06 |
CN112611156B true CN112611156B (en) | 2022-11-15 |
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Citations (6)
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JPH08159650A (en) * | 1994-12-02 | 1996-06-21 | Taiho Kogyo Kk | Plate-form heat insulation member and manufacture thereof and heat retaining storing device using the plate-form heat insulation member |
EP0974797A2 (en) * | 1998-07-24 | 2000-01-26 | BSH Fabricacion, S.A. | Refrigerator, such as fridge or freezer |
JP2009115368A (en) * | 2007-11-06 | 2009-05-28 | Panasonic Corp | Refrigerator |
CN103162495A (en) * | 2013-04-11 | 2013-06-19 | 合肥美的荣事达电冰箱有限公司 | Refrigerator |
CN107270616A (en) * | 2017-06-27 | 2017-10-20 | 安徽康佳同创电器有限公司 | Refrigerator compartment pressure equaliser and refrigerator |
JP2019158250A (en) * | 2018-03-14 | 2019-09-19 | 東芝ライフスタイル株式会社 | refrigerator |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN202267307U (en) * | 2011-09-20 | 2012-06-06 | 合肥美的荣事达电冰箱有限公司 | Refrigerator |
US20200033049A1 (en) * | 2016-12-13 | 2020-01-30 | Whirlpool Corporation | Pass-through solutions for vacuum insulated structures |
CN110345683B (en) * | 2018-04-04 | 2023-05-12 | 博西华电器(江苏)有限公司 | Door for refrigerator and refrigerator |
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2020
- 2020-12-21 CN CN202011521349.1A patent/CN112611156B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08159650A (en) * | 1994-12-02 | 1996-06-21 | Taiho Kogyo Kk | Plate-form heat insulation member and manufacture thereof and heat retaining storing device using the plate-form heat insulation member |
EP0974797A2 (en) * | 1998-07-24 | 2000-01-26 | BSH Fabricacion, S.A. | Refrigerator, such as fridge or freezer |
JP2009115368A (en) * | 2007-11-06 | 2009-05-28 | Panasonic Corp | Refrigerator |
CN103162495A (en) * | 2013-04-11 | 2013-06-19 | 合肥美的荣事达电冰箱有限公司 | Refrigerator |
CN107270616A (en) * | 2017-06-27 | 2017-10-20 | 安徽康佳同创电器有限公司 | Refrigerator compartment pressure equaliser and refrigerator |
JP2019158250A (en) * | 2018-03-14 | 2019-09-19 | 東芝ライフスタイル株式会社 | refrigerator |
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