CN111238114A - Horizontal freezer - Google Patents
Horizontal freezer Download PDFInfo
- Publication number
- CN111238114A CN111238114A CN201811436718.XA CN201811436718A CN111238114A CN 111238114 A CN111238114 A CN 111238114A CN 201811436718 A CN201811436718 A CN 201811436718A CN 111238114 A CN111238114 A CN 111238114A
- Authority
- CN
- China
- Prior art keywords
- door body
- storage compartment
- air
- cavity
- air pressure
- 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.)
- Pending
Links
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 10
- 239000002274 desiccant Substances 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000126 substance 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
- 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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
-
- 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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
- F25D17/047—Pressure equalising devices
-
- 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
- F25D23/028—Details
-
- 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
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
- F25D2317/041—Treating air flowing to refrigeration compartments by purification
-
- 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
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
- F25D2317/041—Treating air flowing to refrigeration compartments by purification
- F25D2317/0411—Treating air flowing to refrigeration compartments by purification by dehumidification
Abstract
The invention provides a horizontal freezer, comprising: the refrigerator comprises a refrigerator body, a storage compartment and a door body, wherein the storage compartment is positioned in the refrigerator body, and a cabinet opening of the storage compartment faces upwards; one side edge of the door body is connected to one side edge of the cabinet opening through a hinge; the storage compartment is characterized in that a containing hole penetrating through the door body is formed in the door body, an air pressure balancing device is arranged in the containing hole, the air pressure balancing device allows air on the upper side of the door body to flow into the storage compartment and prevents air in the storage compartment from flowing out of the storage compartment. The air pressure balancing device allows air on the upper side of the door body to flow into the storage compartment, thereby ensuring that the air pressure in the storage compartment is equal to the air pressure of the air of the surrounding environment, which is very convenient for a user to open the door body. In addition, the air pressure balancing device can prevent the air in the storage chamber from flowing out, so that the loss of the cold in the storage chamber can be effectively prevented.
Description
Technical Field
The invention relates to the technical field of refrigeration equipment, in particular to a horizontal freezer.
Background
The horizontal freezer cabinet is a refrigeration device frequently used in daily life of people, the horizontal freezer cabinet is generally provided with a storage compartment with an upward cabinet opening, a door body capable of sealing the cabinet opening is arranged at the cabinet opening, the door body is usually in a top-opening type, namely, one side edge of the door body is movably connected to one side edge of the cabinet opening, and the door body can rotate along the one side edge of the cabinet opening above the cabinet opening so as to open or close the cabinet opening.
In practice, the temperature in the storage compartment is usually lower than the temperature of the environment surrounding the ice bin, and therefore, the air in the storage compartment is prone to volume shrinkage, i.e. the air pressure in the storage compartment is lower than the air pressure of the environment surrounding the ice bin, i.e. the air exerts a downward pressure on the door body, which is very inconvenient for a user to open the door body.
Therefore, how to design a door body convenient for a user to open in a top-opening horizontal freezer becomes a problem to be solved urgently.
Disclosure of Invention
The invention aims to provide a horizontal freezer.
In order to achieve one of the above objects, an embodiment of the present invention provides a chest freezer comprising: the refrigerator comprises a refrigerator body, a storage compartment and a door body, wherein the storage compartment is positioned in the refrigerator body, and a cabinet opening of the storage compartment faces upwards; one side edge of the door body is connected to one side edge of the cabinet opening through a hinge; the storage compartment is characterized in that a containing hole penetrating through the door body is formed in the door body, an air pressure balancing device is arranged in the containing hole, the air pressure balancing device allows air on the upper side of the door body to flow into the storage compartment and prevents air in the storage compartment from flowing out of the storage compartment.
As a further improvement of an embodiment of the present invention, the door body is fixedly connected to the hinge by a hollow bolt, and the receiving hole is provided in the hollow bolt.
As a further improvement of an embodiment of the present invention, the door body is made of glass.
As a further improvement of an embodiment of the present invention, the air pressure balancing means includes: the drying device comprises a shell and a cavity arranged in the shell, wherein the top surface and the bottom surface of the cavity are both provided with through holes communicated with the cavity, and a one-way breathable film and a drying agent are arranged in the cavity; the one-way breathable film allows air on the upper side to flow in a downward direction and prevents air on the lower side from flowing in an upward direction, and the periphery of the one-way breathable film is matched with the inner surface of the cavity.
As a further improvement of the embodiment of the present invention, a first filter screen and a second filter screen are further disposed in the cavity, the first filter screen, the desiccant, the one-way breathable film and the first filter screen are sequentially disposed in the cavity from top to bottom, and the peripheries of the first filter screen and the second filter screen are matched with the inner surface of the cavity.
As a further improvement of an embodiment of the present invention, there are gaps between the first filter and the top surface and between the second filter and the bottom surface.
As a further improvement of an embodiment of the present invention, a handle is provided on an upper surface of the other side surface of the door body away from the hinge.
As a further improvement of an embodiment of the present invention, a heater wire is provided on a surface of the door body.
As a further improvement of an embodiment of the present invention, sealing strips are disposed on all side edges of a cabinet opening of the storage compartment, and the sealing strips can be attached to the door body in a sealing manner when the door body closes the cabinet opening.
As a further improvement of one embodiment of the invention, a hydraulic support rod is arranged between a door body and a cabinet opening of the storage compartment, and when the door body is opened, the hydraulic support rod can provide upward supporting force for the door body in the vertical direction; when the door body is closed, the hydraulic support rod can pull the door body downwards in the vertical direction.
Compared with the prior art, the invention has the technical effects that: the embodiment of the invention provides a horizontal freezer, which comprises: the refrigerator comprises a refrigerator body, a storage compartment and a door body, wherein the storage compartment is positioned in the refrigerator body, and a cabinet opening of the storage compartment faces upwards; one side edge of the door body is connected to one side edge of the cabinet opening through a hinge; the storage compartment is characterized in that a containing hole penetrating through the door body is formed in the door body, an air pressure balancing device is arranged in the containing hole, the air pressure balancing device allows air on the upper side of the door body to flow into the storage compartment and prevents air in the storage compartment from flowing out of the storage compartment. The air pressure balancing device allows air on the upper side of the door body to flow into the storage compartment, thereby ensuring that the air pressure in the storage compartment is equal to the air pressure of the air of the surrounding environment, which is very convenient for a user to open the door body. In addition, the air pressure balancing device can prevent the air in the storage chamber from flowing out, so that the loss of the cold in the storage chamber can be effectively prevented.
Drawings
FIG. 1 is a top view of a chest freezer in an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the chest freezer of FIG. 1 taken along section AA;
fig. 3 is a schematic structural diagram of an air pressure balancing device in an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.
Terms such as "upper," "above," "lower," "below," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
An embodiment of the present invention provides a chest freezer, as shown in figures 1 and 2,
the refrigerator comprises a refrigerator body 1, a storage compartment 11 and a door body 2, wherein the storage compartment 11 is positioned in the refrigerator body 1 and has an upward cabinet opening; one side of the door body 2 is connected to one side of the cabinet opening through a hinge 21; here, in actual use, the cabinet opening of the storage compartment in the chest freezer is usually upward, and when a user wants to store articles in the storage compartment 11 or remove articles from the storage compartment 11, the user only needs to open the door body 2. Here, the door 2 is of a top-opening type structure, that is, one side of the door 2 is connected to one side of the cabinet opening through a hinge 21, and therefore, above the cabinet opening, the door 2 can rotate along the hinge 21, and it can be understood that there are two cases: (1) the cabinet opening is opened, when the door body 2 is positioned above the cabinet opening, and the angle between the door body 2 and the plane where the cabinet opening is positioned is larger than zero; (2) and sealing the cabinet opening, wherein the door body 2 and the cabinet opening are positioned in the same horizontal plane, and the angle between the door body 2 and the plane where the cabinet opening is positioned is zero. Here, the storage compartment 11 may be a refrigerating compartment, a freezing compartment, a temperature-changing compartment, or the like.
The door body 2 is provided with a containing hole 22 penetrating through the door body 2, an air pressure balancing device 221 is arranged in the containing hole 22, and the air pressure balancing device 221 allows air on the upper side of the door body 2 to flow into the storage compartment 11 and prevents air in the storage compartment 11 from flowing out of the storage compartment 11. Here, the air pressure balancing means 221 may be a check valve, a check air permeable membrane, or the like.
Here, it can be understood that in the chest freezer, the temperature in the storage compartment 11 is usually lower than the temperature of the environment surrounding the ice chest, and therefore, the air in the storage compartment 11 is liable to undergo a volume contraction phenomenon, i.e. the air pressure in the storage compartment 11 is caused to be lower than the air pressure of the environment surrounding the ice chest, so that a downward pressure is applied to the door body 2, which is very inconvenient for the user to open. And the air pressure balancing means 221 allows air at the upper side of the door body 2 to flow into the storage compartment 11, thereby ensuring that the air pressure in the storage compartment 11 is equal to the air pressure of the air of the surrounding environment, which is very convenient for a user to open the door body 2. Furthermore, the air pressure balancing device 221 hinders the outflow of air from the storage compartment 11, and it can be understood that the temperature of air in the storage compartment 11 is low, so that the loss of cold in the storage compartment 11 can be effectively prevented.
Preferably, the door body 2 is fixedly connected to the hinge 21 by a hollow bolt 211, and the receiving hole 22 is provided in the hollow bolt 211. Here, since the hinge 21 is connected to one side of the cabinet opening, that is, one side of the storage compartment 11, it can be understood that in daily use, a user generally stores an item in the middle of the storage compartment 11, that is, the accommodating hole 22 is blocked by the item in the storage compartment 11 with a low probability.
Alternatively, the number of the hinges 21 is two.
Preferably, the door body 2 is made of glass. Here, the door 2 for sealing the cabinet opening is made of glass, so that when the door 2 is not opened, a user can clearly see the articles stored in the storage compartment 11, which is very convenient for the user to use. Optionally, the door body 2 is made of transparent glass.
Preferably, the air pressure balancing means 211 comprises: the air conditioner comprises a shell and a cavity 2211 arranged in the shell, wherein the top surface and the bottom surface of the cavity 2211 are both provided with through holes 2212 communicated with the cavity 2211, and the cavity 2211 is internally provided with a one-way breathable film 2213 and a drying agent 2214; the one-way vent 2213 allows air on the top side to flow in a downward direction and prevents air on the bottom side from flowing in an upward direction, and the periphery of the one-way vent 2213 mates with the inner surface of the cavity 2211.
Here, air in the ambient environment of the ice bin can enter the cavity 2211 through the through hole 2212 in the top surface and then pass through the desiccant 2214, it is understood that the humidity of the air in the ambient environment is generally high, and when the high humidity air passes through the desiccant 2214, the desiccant 2214 absorbs moisture in the air, so that the drier air passes through the one-way permeable membrane 2213 and finally enters the storage compartment 11, which can effectively reduce the frost formation in the storage compartment.
Preferably, a first filter screen 2215 and a second filter screen 2216 are further disposed in the cavity 2211, the first filter screen 2215, the drying agent 2214, the one-way air permeable membrane 2213 and the first filter screen 2216 are sequentially disposed in the cavity 2211 from top to bottom, and the peripheral edges of the first and second filter screens are matched with the inner surface of the cavity 2211. Here, in practice, since there is a possibility that the air around the chest freezer contains small particles such as foreign substances, the first and second sieves can effectively block the small particles.
Preferably, there are gaps between the first screen 2215 and the top surface and between the second screen 2216 and the bottom surface.
Preferably, a handle 24 is provided on an upper surface of the other side surface of the door body 2 away from the hinge 21. Here, when the user wants to open the door 2, the user only needs to pull the handle 24 upward.
Preferably, a heater wire 23 is provided on the surface of the door 2. Here, in the actual use of the chest freezer, there is a possibility that frost may be formed on the surface of the door 2, and therefore, the heating wire 23 is provided on the surface of the door 2, so that the door 2 can be heated, that is, the frost can be effectively melted.
Preferably, all sides of the cabinet opening of the storage compartment 11 are provided with sealing strips 13, and when the door body 2 is closed the cabinet opening, the sealing strips 13 can be closely attached to the door body 2.
Preferably, a hydraulic support rod 12 is arranged between the door body 2 and the cabinet opening of the storage compartment, and when the door body 2 is opened, the hydraulic support rod 12 can provide upward supporting force for the door body 2 in the vertical direction; when the door body 2 is closed, the hydraulic support rod 12 can pull the door body 2 downwards in the vertical direction.
Alternatively, the air pressure balancing device 221 is fixed in the accommodating hole 22 by a snap or screw structure.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. A chest freezer, comprising:
the refrigerator comprises a refrigerator body, a storage compartment and a door body, wherein the storage compartment is positioned in the refrigerator body, and a cabinet opening of the storage compartment faces upwards; one side edge of the door body is connected to one side edge of the cabinet opening through a hinge;
the storage compartment is characterized in that a containing hole penetrating through the door body is formed in the door body, an air pressure balancing device is arranged in the containing hole, the air pressure balancing device allows air on the upper side of the door body to flow into the storage compartment and prevents air in the storage compartment from flowing out of the storage compartment.
2. A chest freezer according to claim 1 wherein:
the door body is fixedly connected with the hinge through a hollow bolt, and the accommodating hole is formed in the hollow bolt.
3. A chest freezer according to claim 1 wherein:
the door body is made of glass.
4. A chest freezer according to claim 1, wherein the air pressure equalisation means comprises:
the drying device comprises a shell and a cavity arranged in the shell, wherein the top surface and the bottom surface of the cavity are both provided with through holes communicated with the cavity, and a one-way breathable film and a drying agent are arranged in the cavity;
the one-way breathable film allows air on the upper side to flow in a downward direction and prevents air on the lower side from flowing in an upward direction, and the periphery of the one-way breathable film is matched with the inner surface of the cavity.
5. A chest freezer according to claim 4, wherein:
still be provided with first filter screen and second filter screen in the cavity, from last first filter screen, drier, one-way ventilated membrane and the first filter screen of having set gradually down, and the periphery of first, second filter screen with the internal surface of cavity cooperatees.
6. A chest freezer according to claim 5, wherein:
gaps are arranged between the first filter screen and the top surface and between the second filter screen and the bottom surface.
7. A chest freezer according to claim 2 wherein:
and a handle is arranged on the upper surface of the other side surface of the door body far away from the hinge.
8. A chest freezer according to claim 1 wherein:
the surface of the door body is provided with a heating wire.
9. A chest freezer according to claim 1 wherein:
all sides of the cabinet opening of the storage compartment are provided with sealing strips, and when the door body is closed, the sealing strips can be closely attached to the door body.
10. A chest freezer according to claim 2 wherein:
a hydraulic support rod is arranged between the door body and the cabinet opening of the storage compartment, and when the door body is opened, the hydraulic support rod can provide upward supporting force for the door body in the vertical direction;
when the door body is closed, the hydraulic support rod can pull the door body downwards in the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811436718.XA CN111238114A (en) | 2018-11-28 | 2018-11-28 | Horizontal freezer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811436718.XA CN111238114A (en) | 2018-11-28 | 2018-11-28 | Horizontal freezer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111238114A true CN111238114A (en) | 2020-06-05 |
Family
ID=70879246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811436718.XA Pending CN111238114A (en) | 2018-11-28 | 2018-11-28 | Horizontal freezer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111238114A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865239A (en) * | 2021-10-09 | 2021-12-31 | 长虹美菱股份有限公司 | Ventilation door strip of paper used for sealing and have its refrigerator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201954898U (en) * | 2011-01-05 | 2011-08-31 | 海信容声(广东)冰箱有限公司 | Refrigerator with door easy to open |
| CN102252487A (en) * | 2011-08-23 | 2011-11-23 | 合肥美的荣事达电冰箱有限公司 | Refrigerator |
| CN103411376A (en) * | 2013-08-29 | 2013-11-27 | 合肥华凌股份有限公司 | Refrigeration equipment |
| CN205536789U (en) * | 2016-04-11 | 2016-08-31 | 海信容声(广东)冷柜有限公司 | Pressure balance device and refrigerating plant |
| CN106016923A (en) * | 2016-07-19 | 2016-10-12 | 青岛澳柯玛超低温冷冻设备有限公司 | Low-temperature preservation box with air pressure balancing device |
| CN205641728U (en) * | 2016-03-31 | 2016-10-12 | 青岛海尔股份有限公司 | Refrigerator |
-
2018
- 2018-11-28 CN CN201811436718.XA patent/CN111238114A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201954898U (en) * | 2011-01-05 | 2011-08-31 | 海信容声(广东)冰箱有限公司 | Refrigerator with door easy to open |
| CN102252487A (en) * | 2011-08-23 | 2011-11-23 | 合肥美的荣事达电冰箱有限公司 | Refrigerator |
| CN103411376A (en) * | 2013-08-29 | 2013-11-27 | 合肥华凌股份有限公司 | Refrigeration equipment |
| CN205641728U (en) * | 2016-03-31 | 2016-10-12 | 青岛海尔股份有限公司 | Refrigerator |
| CN205536789U (en) * | 2016-04-11 | 2016-08-31 | 海信容声(广东)冷柜有限公司 | Pressure balance device and refrigerating plant |
| CN106016923A (en) * | 2016-07-19 | 2016-10-12 | 青岛澳柯玛超低温冷冻设备有限公司 | Low-temperature preservation box with air pressure balancing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865239A (en) * | 2021-10-09 | 2021-12-31 | 长虹美菱股份有限公司 | Ventilation door strip of paper used for sealing and have its refrigerator |
| CN113865239B (en) * | 2021-10-09 | 2023-02-24 | 长虹美菱股份有限公司 | Ventilation door strip of paper used for sealing and have its refrigerator |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200605 |
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| RJ01 | Rejection of invention patent application after publication |