CN114893942B - Air pressure balance type refrigerator door opening device - Google Patents

Air pressure balance type refrigerator door opening device Download PDF

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Publication number
CN114893942B
CN114893942B CN202210601392.1A CN202210601392A CN114893942B CN 114893942 B CN114893942 B CN 114893942B CN 202210601392 A CN202210601392 A CN 202210601392A CN 114893942 B CN114893942 B CN 114893942B
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CN
China
Prior art keywords
plate
handle
refrigerator door
ventilation
air pressure
Prior art date
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Active
Application number
CN202210601392.1A
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Chinese (zh)
Other versions
CN114893942A (en
Inventor
程燃
隋红军
牟文俊
王皓
孙英暖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aucma Co Ltd
Original Assignee
Aucma Co Ltd
Priority date (The priority date 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 date listed.)
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Priority to CN202210601392.1A priority Critical patent/CN114893942B/en
Publication of CN114893942A publication Critical patent/CN114893942A/en
Application granted granted Critical
Publication of CN114893942B publication Critical patent/CN114893942B/en
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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
    • F25D23/028—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
    • 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
    • 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

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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 discloses an air pressure balance type refrigerator door opening device which comprises an air ventilation seat, an upper air ventilation pipe, a lower air ventilation pipe, a handle pre-packing box, a handle connecting piece, a handle upper cover and a handle lower cover; the handle connecting piece is arranged in the handle pre-packing box and comprises a connecting plate and connecting structures symmetrically arranged at the upper end and the lower end of the connecting plate; the handle is positioned in the handle pre-packing box and is in sliding connection with the handle connecting piece; the upper handle cover is arranged at the upper end of the connecting plate, and the lower handle cover is arranged at the lower end of the connecting plate. The device reduces the opening force of the refrigerator door body by balancing the air pressure inside and outside the refrigerator door body, and further helps to open the refrigerator door body, so that the use experience of the refrigerator is further improved. In addition, the device material cost is lower, and assembly process is simple reasonable, uses the simple operation, and the practicality is stronger, excellent in use effect, convenient to popularize and use.

Description

Air pressure balance type refrigerator door opening device
Technical Field
The invention relates to the technical field of refrigerators, in particular to an air pressure balance type refrigerator door opening device.
Background
Along with the improvement of living standard and the progress of science and technology, people put forward higher requirements on the functions and the use experience of the refrigerator, wherein the high-capacity vertical refrigerator is reasonable in storage partition, can not only put more foods, but also is beneficial to continuous preservation. Negative pressure is easy to form in the existing high-capacity vertical refrigerator refrigerating rear box body, the door body is not easy to open after the door seal is closed, the opening force of the door body is larger, the user feels hard when opening the door, even the whole refrigerator box body is pulled together when opening the door, and the product experience is poor. Therefore, there is a need for an improvement over the prior art to further optimize the door opening structure of a high capacity upright refrigerator.
Disclosure of Invention
The invention aims to provide an air pressure balance type refrigerator door opening device, which solves the problems that in the prior art, the opening force of a large-capacity vertical refrigerator door body is larger, the door is not easy to open, and the product experience is poor.
In order to achieve the above purpose, the technical solution adopted by the invention is as follows:
an air pressure balance type refrigerator door opening device comprises an air ventilation seat, an upper air ventilation pipe, a lower air ventilation pipe, a handle pre-packing box, a handle connecting piece and a handle;
the handle connecting piece is arranged in the handle pre-packaging box and comprises a connecting plate and connecting structures symmetrically arranged at the upper end and the lower end of the connecting plate, wherein the connecting structures comprise a transverse plate arranged on the front side surface of the connecting plate, a first vent hole arranged on the connecting plate, a mounting plate arranged on the outer side surface of the transverse plate, a stand column arranged on the mounting plate, a torsion spring arranged on the stand column and an L-shaped transmission plate;
the L-shaped transmission plate comprises a sealing plate, a baffle plate and a sleeve for connecting the sealing plate and the baffle plate, a notch is formed in the side wall of the bottom of the sleeve, a limit socket is formed in the mounting plate, the sleeve is rotatably sleeved on the upright post, one end of the torsion spring is located in the notch, the other end of the torsion spring extends into the limit socket, and the sealing plate can seal the first vent hole under the action of the torsion spring;
a sliding groove is formed in the inner side surface of the transverse plate along the width direction of the connecting plate, a limiting plate is arranged on one side, away from the inner lining of the refrigerator door body, of the sliding groove, and a limiting column is arranged on the limiting plate;
the front side of the ventilation seat is provided with an opening which is communicated with the inside of the refrigerator, the bottom of the ventilation seat is provided with a second ventilation hole and a third ventilation hole, the second ventilation hole is connected with a first ventilation hole at the upper end of the connecting plate through an upper ventilation pipe, and the third ventilation hole is connected with a first ventilation hole at the lower end of the connecting plate through a lower ventilation pipe;
the handle is located the handle pre-packing box and with handle connecting piece sliding connection, the handle includes L shape sliding plate, and L shape sliding plate includes first diaphragm and first riser, is equipped with the shrouding respectively at the both ends of L shape sliding plate, the shrouding is L shape, including first shrouding and second shrouding, first shrouding is connected with first diaphragm, and the second shrouding is connected with first riser, all is equipped with second riser and with the slider of corresponding spout looks adaptation on every first shrouding, and the second riser can contact and drive L shape drive plate and rotate and make the first air vent of closing plate deblocking when the slider is slided to the one side of keeping away from refrigerator door inside lining in corresponding spout, the second shrouding can with spacing post contact, plays spacing effect to the slip of slider.
Preferably, the handle further comprises a second transverse plate, and the second transverse plate is vertically connected with the first vertical plate.
Preferably, a box cover is arranged at the front side opening of the ventilation seat, and a ventilation grid is arranged on the box cover.
Preferably, the handle pre-packing box is embedded on the side wall of the refrigerator door body.
Preferably, a sealing rubber pad is arranged on the sealing plate.
Preferably, the device further comprises a handle upper cover mounted at an upper end of the connection plate and a handle lower cover mounted at a lower end of the connection plate.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the air pressure balance type refrigerator door opening device, the opening force of the refrigerator door body is reduced by balancing the air pressure inside and outside the refrigerator door body, so that the refrigerator door body is opened in a boosting mode, and the use experience of a refrigerator is further improved. In addition, the device material cost is lower, and assembly process is simple reasonable, uses the simple operation, and the practicality is stronger, excellent in use effect, convenient to popularize and use.
(2) The device is integrally embedded in the refrigerator door body, is more attractive and is easy to package and transport.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of the present invention applied to a refrigerator door.
Fig. 2 is a schematic view of the structure of the handle pre-packing box of the present invention.
FIG. 3 is a schematic view of the handle attachment of the present invention in a partially enlarged view.
FIG. 4 is a schematic view of the L-shaped drive plate of the present invention mated with the torsion spring at different angles.
Fig. 5 is a schematic view of the structure of the ventilation seat of the present invention.
Fig. 6 is a schematic view of the handle structure and a partial enlarged view of the present invention.
FIG. 7 is a schematic view of the handle of the present invention mated with a handle connector at different angles and in partial enlarged view.
In the figure: 1. a ventilation seat; 2. an upper vent pipe; 3. a lower vent pipe; 4. pre-packing the handles; 5. a handle connection; 6. a handle; 7. a handle upper cover; 8. a handle lower cover; 9. a refrigerator door body; 10. a connecting plate; 11. a transverse plate; 12. a first vent hole; 13. a mounting plate; 14. a column; 15. a torsion spring; 16. a limit socket; 17. a sealing plate; 18. a baffle; 19. a sleeve; 20. a notch; 21. a chute; 22. a limiting plate; 23. a limit column; 24. a box cover; 25. a first cross plate; 26. a first vertical plate; 27. a second cross plate; 28. a first sealing plate; 29. a second sealing plate; 30. a second vertical plate; 31. a sliding block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Furthermore, in the description of the present invention, it should be noted that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, a preferred embodiment of the present invention provides an air pressure balance type refrigerator door opener, which is mounted on a refrigerator door body, and in particular, comprises: the novel portable electric bicycle comprises an air vent seat 1, an upper air vent pipe 2, a lower air vent pipe 3, a handle pre-packing box 4, a handle connecting piece 5, a handle 6, a handle upper cover 7 and a handle lower cover 8.
As shown in fig. 2, the handle pre-packing box 4 is a box, and is fitted to the side wall of the refrigerator door 9.
Wherein, the handle connecting piece 5 is plastic material, and integral type structure, handle connecting piece 5 installs in the handle pre-packing box 4 through the mode of buckle. As shown in fig. 3, the handle connector 5 includes: the connecting plate 10 and the connecting structures symmetrically arranged at the upper end and the lower end of the connecting plate 10.
The connection structure includes: transverse plate 11, first vent hole 12, mounting plate 13, upright 14, torsion spring 15 and L-shaped drive plate. Specifically, the transverse plate 11 is located on the front side of the connection plate 10 and is vertically connected with the connection plate 10; the first ventilation holes 12 are arranged on the connecting plate 10, and the first ventilation holes 12 are positioned on the outer side of the transverse plate 11; the mounting plate 13 is T-shaped and is mounted on the outer side surface of the transverse plate 11; the upright post 14 is fixedly arranged on the mounting plate 13; the torsion spring 15 is sleeved on the upright post 14.
Further, a limiting socket 16 is further provided on the mounting plate 13, specifically, two protrusions are provided on the mounting plate 13, and the limiting socket 16 is formed between the two protrusions.
As shown in fig. 4, the L-shaped transmission plate includes: the sealing plate 17, the baffle 18 and the sleeve 19, specifically, the sealing plate 17 and the baffle 18 are vertically connected, the sleeve 19 is arranged at the joint of the sealing plate 17 and the baffle 18, and a notch 20 is arranged on the bottom side wall of the sleeve 19. The L-shaped transmission plate is rotatably sleeved on the upright post 14 through a sleeve 19, one end of the torsion spring 15 is positioned in the notch 20, and the other end of the torsion spring extends into the limit socket 16. The torsion spring 15 is always in a compression and power storage state, and the L-shaped transmission plate is driven to rotate under the action of the torsion spring 15, so that the sealing plate 17 seals the first vent hole 12.
Further, a sealing rubber cushion is arranged on the sealing plate 17, and is matched with the first vent hole 12, so that the sealing performance of plugging can be improved.
A chute 21 is arranged on the inner side surface of the transverse plate 11 along the width direction of the connecting plate 10, a limit plate 22 is arranged on one side of the chute 21 away from the inner lining of the refrigerator door body 9, and a limit post 23 is arranged on the limit plate 22.
The ventilation seat 1 is installed on the inner lining of the refrigerator door body 9, as shown in fig. 5, the front side of the ventilation seat 1 is provided with an opening, the opening is communicated with the inside of the refrigerator, the bottom of the ventilation seat 1 is provided with a second ventilation hole and a third ventilation hole, the second ventilation hole is connected with a first ventilation hole 12 at the upper end of the connecting plate 10 through the upper ventilation pipe 2, and the third ventilation hole is connected with the first ventilation hole 12 at the lower end of the connecting plate 10 through the lower ventilation pipe 3. The upper vent pipe 2 and the lower vent pipe 3 are both positioned in the foaming layer of the refrigerator door body 9.
Further, a box cover 24 is installed at the front opening of the ventilation seat 1, and a ventilation grid is arranged on the box cover 24 to prevent foreign matters in the refrigerator from entering the upper ventilation pipe 2 and the lower ventilation pipe 3.
Wherein, handle 6 is plastics material, integral type structure, and handle 6 is located in the handle pre-packing box 4 and with handle connecting piece 5 sliding connection, specifically, as shown in fig. 6-7, handle 6 includes: the first transverse plate 25, the first vertical plate 26 and the second transverse plate 27, one side face of the first transverse plate 25 is vertically connected with one side face of the first vertical plate 26, the second transverse plate 27 is vertically connected with the other side face of the first vertical plate 26, and the first transverse plate 25 and the first vertical plate 26 form an L-shaped sliding plate.
The two ends of the L-shaped sliding plate are respectively provided with a sealing plate, specifically, the sealing plates are L-shaped and comprise a first sealing plate 28 and a second sealing plate 29, the first sealing plate 28 is connected with the first transverse plate 25, and the second sealing plate 29 is connected with the first vertical plate 26. Each first sealing plate 28 is provided with a second vertical plate 30 and a sliding block 31, the sliding blocks 31 are matched with the sliding grooves 21, and each sliding block 31 is respectively positioned in the corresponding sliding groove 21 and can slide along the sliding groove 21.
Further, the handle upper cover 7 is mounted at the upper end of the connecting plate 10 in a buckling manner, and the handle lower cover 8 is mounted at the lower end of the connecting plate 10 in a buckling manner
The second riser 30 has the following functions: when the sliding block 31 slides in the corresponding sliding groove 21 to the side far away from the inner lining of the refrigerator door body 9, the second vertical plate 30 can contact with the corresponding baffle plate 18 and drive the L-shaped transmission plate to rotate, so that the sealing plate 17 unseals the first vent hole 12.
The L-shaped transmission plate can be driven to rotate under the action of the torsion spring 15, the baffle 18 is enabled to be in contact with the corresponding second vertical plate 30, the sliding block 31 is enabled to slide to one side of the inner lining of the refrigerator door body 9 in the corresponding sliding groove 21, the first transverse plate 25 can be in contact with the handle pre-packing box 4, and the limiting effect on sliding of the sliding block 31 is achieved.
Under the action of external force, the sliding block 31 slides in the corresponding sliding groove 21 to the side far away from the inner lining of the refrigerator door body 9, and the second sealing plate 29 can be in contact with the limiting column 23, so that the sliding of the sliding block 21 is limited.
The application principle of the invention is described:
when the refrigerator door body is closed, the L-shaped transmission plate can be driven to rotate under the action of the torsion spring 15, so that the sealing plate 17 seals the first vent hole 12, a closed storage space is formed in the refrigerator, and the refrigerating efficiency of the refrigerator is improved.
Because the negative pressure is easy to form in the refrigerator body after the high-capacity vertical refrigerator is refrigerated, the opening force of the door body is increased, the door is difficult to open, when the refrigerator door is required to be opened, the L-shaped sliding plate is held by a hand and slides to one side far away from the inner lining of the refrigerator door body 9, in the sliding process, the second vertical plate 30 can be contacted with the corresponding baffle 18 and drive the L-shaped transmission plate to rotate, so that the sealing plate 17 unseals the first vent hole 12, the storage space in the refrigerator is communicated with the outside to balance the air pressure in the refrigerator body, the opening force of the refrigerator door body is greatly reduced, and then the refrigerator door body 9 can be easily opened by continuously pulling the L-shaped sliding plate.
In summary, according to the air pressure balance type refrigerator door opening device provided by the embodiment of the invention, the opening force of the refrigerator door body is reduced by balancing the air pressure inside and outside the refrigerator door body, so that the refrigerator door body is opened in a boosting manner, and the use experience of the refrigerator is further improved. In addition, the device material cost is lower, and assembly process is simple reasonable, uses the simple operation, and the practicality is stronger, excellent in use effect, convenient to popularize and use.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (6)

1. The air pressure balance type refrigerator door opening device is characterized by comprising an air ventilation seat, an upper air ventilation pipe, a lower air ventilation pipe, a handle pre-packing box, a handle connecting piece and a handle;
the handle connecting piece is arranged in the handle pre-packaging box and comprises a connecting plate and connecting structures symmetrically arranged at the upper end and the lower end of the connecting plate, wherein the connecting structures comprise a transverse plate arranged on the front side surface of the connecting plate, a first vent hole arranged on the connecting plate, a mounting plate arranged on the outer side surface of the transverse plate, a stand column arranged on the mounting plate, a torsion spring arranged on the stand column and an L-shaped transmission plate;
the L-shaped transmission plate comprises a sealing plate, a baffle plate and a sleeve for connecting the sealing plate and the baffle plate, a notch is formed in the side wall of the bottom of the sleeve, a limit socket is formed in the mounting plate, the sleeve is rotatably sleeved on the upright post, one end of the torsion spring is located in the notch, the other end of the torsion spring extends into the limit socket, and the sealing plate can seal the first vent hole under the action of the torsion spring;
a sliding groove is formed in the inner side surface of the transverse plate along the width direction of the connecting plate, a limiting plate is arranged on one side, away from the inner lining of the refrigerator door body, of the sliding groove, and a limiting column is arranged on the limiting plate;
the front side of the ventilation seat is provided with an opening which is communicated with the inside of the refrigerator, the bottom of the ventilation seat is provided with a second ventilation hole and a third ventilation hole, the second ventilation hole is connected with a first ventilation hole at the upper end of the connecting plate through an upper ventilation pipe, and the third ventilation hole is connected with a first ventilation hole at the lower end of the connecting plate through a lower ventilation pipe;
the handle is located the handle pre-packing box and with handle connecting piece sliding connection, the handle includes L shape sliding plate, and L shape sliding plate includes first diaphragm and first riser, is equipped with the shrouding respectively at the both ends of L shape sliding plate, the shrouding is L shape, including first shrouding and second shrouding, first shrouding is connected with first diaphragm, and the second shrouding is connected with first riser, all is equipped with second riser and with the slider of corresponding spout looks adaptation on every first shrouding, and the second riser can contact and drive L shape drive plate and rotate and make the first air vent of closing plate deblocking when the slider is slided to the one side of keeping away from refrigerator door inside lining in corresponding spout, the second shrouding can with spacing post contact, plays spacing effect to the slip of slider.
2. The air pressure balance type refrigerator door opener according to claim 1, wherein the handle further comprises a second transverse plate, and the second transverse plate is vertically connected with the first vertical plate.
3. The air pressure balance type refrigerator door opening device according to claim 1, wherein a box cover is installed at a front side opening of the ventilation seat, and a ventilation grid is arranged on the box cover.
4. The air pressure balance type refrigerator door opening device according to claim 1, wherein the handle pre-packing box is embedded in the side wall of the refrigerator door body.
5. The air pressure balance type refrigerator door opening device according to claim 1, wherein the sealing plate is provided with a sealing rubber pad.
6. The air pressure balance type refrigerator door opening device of claim 1, further comprising a handle upper cover and a handle lower cover, wherein the handle upper cover is installed at an upper end of the connection plate, and the handle lower cover is installed at a lower end of the connection plate.
CN202210601392.1A 2022-05-30 2022-05-30 Air pressure balance type refrigerator door opening device Active CN114893942B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210601392.1A CN114893942B (en) 2022-05-30 2022-05-30 Air pressure balance type refrigerator door opening device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210601392.1A CN114893942B (en) 2022-05-30 2022-05-30 Air pressure balance type refrigerator door opening device

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CN114893942A CN114893942A (en) 2022-08-12
CN114893942B true CN114893942B (en) 2023-09-05

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3205963A1 (en) * 1982-02-19 1983-09-01 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Cooling device
KR950015054U (en) * 1993-11-30 1995-06-17 삼성전자 주식회사 Refrigerator door opening device
JPH09257360A (en) * 1996-03-21 1997-10-03 Sanyo Electric Co Ltd Cooling storage cabinet
CN1210244A (en) * 1997-08-29 1999-03-10 大宇电子株式会社 Refrigerator having easy open door
KR20090008737U (en) * 2008-02-26 2009-08-31 삼성전자주식회사 Refrigerator
CN106839617A (en) * 2016-12-30 2017-06-13 青岛海尔特种电冰柜有限公司 Door body and refrigeration plant with function of balancing air pressure
CN112984904A (en) * 2019-12-12 2021-06-18 海信（山东）冰箱有限公司 Refrigerator with a door

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3205963A1 (en) * 1982-02-19 1983-09-01 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Cooling device
KR950015054U (en) * 1993-11-30 1995-06-17 삼성전자 주식회사 Refrigerator door opening device
JPH09257360A (en) * 1996-03-21 1997-10-03 Sanyo Electric Co Ltd Cooling storage cabinet
CN1210244A (en) * 1997-08-29 1999-03-10 大宇电子株式会社 Refrigerator having easy open door
KR20090008737U (en) * 2008-02-26 2009-08-31 삼성전자주식회사 Refrigerator
CN106839617A (en) * 2016-12-30 2017-06-13 青岛海尔特种电冰柜有限公司 Door body and refrigeration plant with function of balancing air pressure
CN112984904A (en) * 2019-12-12 2021-06-18 海信（山东）冰箱有限公司 Refrigerator with a door

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