CN107217937B - Hinge assembly and refrigerator with same - Google Patents

Hinge assembly and refrigerator with same Download PDF

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Publication number
CN107217937B
CN107217937B CN201710495658.8A CN201710495658A CN107217937B CN 107217937 B CN107217937 B CN 107217937B CN 201710495658 A CN201710495658 A CN 201710495658A CN 107217937 B CN107217937 B CN 107217937B
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CN
China
Prior art keywords
protruding
rotating shaft
door body
refrigerator
hinge assembly
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.)
Active
Application number
CN201710495658.8A
Other languages
Chinese (zh)
Other versions
CN107217937A (en
Inventor
卢晓东
刘敏
邢博博
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.)
Qingdao Haier Co Ltd
Original Assignee
Qingdao Haier 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.)
Filing date
Publication date
Application filed by Qingdao Haier Co Ltd filed Critical Qingdao Haier Co Ltd
Priority to CN201710495658.8A priority Critical patent/CN107217937B/en
Publication of CN107217937A publication Critical patent/CN107217937A/en
Application granted granted Critical
Publication of CN107217937B publication Critical patent/CN107217937B/en
Active legal-status Critical Current
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00—Hinges or pivots of special construction
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00—Additional features or accessories of hinges
    • E05D11/10—Devices for preventing movement between relatively-movable hinge parts
    • E05D11/1028—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open
    • E05D11/1078—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open the maintaining means acting parallel to the pivot
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00—Hinges or pivots of special construction
    • E05D7/08—Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions
    • E05D7/081—Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions the pivot axis of the wing being situated near one edge of the wing, especially at the top and bottom, e.g. trunnions
    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/31—Application of doors, windows, wings or fittings thereof for domestic appliances for 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/02—Details of doors or covers not otherwise covered
    • F25D2323/024—Door hinges

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Refrigerator Housings (AREA)

Abstract

the invention relates to a hinge assembly and a refrigerator with the same. The hinge assembly includes a first connection portion and a second connection portion. The first connecting part comprises an elastic resetting device and a first bulge; the second connecting part comprises a rotating shaft and a second bulge; the rotating shaft is configured to be mounted on the first connecting part and is coaxially arranged with the shaft sleeve shell; each second protruding portion is configured to be disposed at one side of one first protruding portion, and when the second connecting portion rotates relative to the first connecting portion, the second protruding portion moves along the first protruding portion and can move to a position where the protruding end face of the second protruding portion contacts the protruding end face of the first protruding portion, and the first cam structure is caused to move along the axis of the rotating shaft, and the first cam structure is caused to compress the elastic return means. The door body can not move up and down in the rotating process, and the rotating stop of one or more positions of the door body at any position can be realized.

Description

Hinge assembly and refrigerator with same
Technical Field
The invention relates to the technical field of freezing and refrigerating, in particular to a hinge assembly for a refrigerator and the refrigerator with the same.
background
the refrigerator can keep food fresh, prolong the storage time of the food and improve the edible safety of the food, and is a necessary household appliance. At present, the refrigerator realizes the rotation of a door body through a hinge so as to realize the purposes of opening and closing the door. In the use, the refrigerator door body can be in the state of free motion after opening to certain angle, and the user need fix the door body with one hand when getting and putting article, and the other hand is gone to get and puts article, and is very inconvenient. In addition, the door body may collide with foreign objects when the door is opened due to the overlarge opening angle of the refrigerator door body. Based on this, in order to solve how to make the refrigerator door body can rotate and stop at the opening angle of setting for, so that article get and put the convenience, some high-end side by side combination refrigerators have realized this function now, but to the cross door refrigerator, this technique is still a blank, the cross door refrigerator can not be transplanted to current scheme, the reason is that the side by side combination refrigerator is opening 90 when rotating and stopping, the door body can upwards displacement 4 ~ 6mm, but the well hinge of cross door refrigerator and the door body trim clearance can not be so big down, so need study new technology and solve this problem.
Disclosure of Invention
the invention aims to overcome at least one defect of hovering of the existing refrigerator door body, provides a hinge assembly for the refrigerator door body, solves the problem that the lower door body of a cross-shaped door refrigerator cannot be rotated and stopped due to insufficient gap of a middle hinge, and can at least rotate and stop the door body on the lower side of the cross-shaped door so as to conveniently take and place articles.
The second aspect of the invention aims to provide a refrigerator with the hinge assembly.
The second aspect of the invention aims to provide a refrigerator with the hinge assembly.
According to a first aspect of the present invention, the present invention provides a hinge assembly for a refrigerator door body, comprising a first connecting portion and a second connecting portion, wherein the first connecting portion and the second connecting portion are alternatively arranged on a refrigerator body of a refrigerator, and the other connecting portion is arranged on the refrigerator door body so as to connect the refrigerator body and the door body; wherein
The first connecting part comprises a shaft sleeve shell, a first cam structure and an elastic resetting device; the first cam structure is movably arranged along the axial direction of the shaft sleeve shell and is provided with a first base part and one or more first protruding parts which extend out from the first base part along the axial direction of the shaft sleeve shell and are arranged at intervals along the circumferential direction of the shaft sleeve shell; the elastic resetting device is arranged in the shaft sleeve shell and is in contact and abutted with one side of the first base part, which is far away from the first bulge part;
The second connecting part comprises a rotating shaft and a second cam structure; the second cam structure is provided with a second base part arranged on the rotating shaft and one or more second protruding parts extending from the second base part along the axial direction of the rotating shaft and arranged at intervals along the circumferential direction of the rotating shaft; and is
The rotating shaft is configured to be mounted on the first connecting part and is arranged coaxially with the shaft sleeve shell;
Each of the second protruding portions is configured to be disposed on one side of one of the first protruding portions, and when the second connecting portion rotates relative to the first connecting portion, the second protruding portion moves along the first protruding portion and can move to a position where a protruding end face of the second protruding portion contacts a protruding end face of the first protruding portion, and causes the first cam structure to move along the axis of the rotating shaft, and causes the first cam structure to compress the elastic return means.
Optionally, the first cam structure further includes a bushing extending from a side of the first base portion facing away from the plurality of first protrusions, the bushing defining a shaft hole therein for mounting the rotating shaft.
optionally, the bushing housing comprises:
the circumferential shell is arranged on the radial outer side of the shaft sleeve, and each first boss extends out of the shaft sleeve shell from one end of the circumferential shell; and
an end cap having a cover portion provided at the other end of the circumferential housing and a sleeve portion extending from the cover portion to the first boss portion; the sleeve portion is inserted into the boss portion.
Optionally, the elastic return device is a spring, is sleeved on the sleeve portion and the shaft sleeve, and is in contact with and abutted against the cover portion;
The end of the circumferential housing, to which the first cam structure is mounted, has a first step surface, and the first base has a second step surface that cooperates with the first step surface to define a maximum protruding position at which the first boss protrudes out of the boss housing.
Optionally, a plurality of mounting lugs are uniformly distributed on the outer side of the circumferential shell along the circumferential direction of the circumferential shell, so that the shaft sleeve shell is mounted inside the door body through screws.
Optionally, the rotating shaft and the second cam structure are integrally formed; each second protruding part is further formed on the peripheral wall of the rotating shaft;
The second connecting portion further comprises a rotating shaft fixing frame, the rotating shaft is mounted on the rotating shaft fixing frame, and the rotating shaft fixing frame is configured to mount the second connecting portion on the box body.
Optionally, each of the first protruding portion and the second protruding portion further includes two guide surfaces disposed on both sides of the respective protruding end surface;
Each guide face has a beveled portion at an angle of 30 ° to 60 ° to the axis of rotation.
Optionally, the first protruding portions are uniformly distributed along the circumferential direction of the shaft sleeve shell;
The second protruding parts are uniformly distributed along the circumferential direction of the rotating shaft;
The number of the first protruding parts and the second protruding parts is two.
according to a second aspect of the invention, the invention provides a refrigerator, which comprises a refrigerator body, a first door body and any one hinge assembly, wherein the shaft sleeve shell is fixed inside the first door body; the second connecting portion is fixed to the case.
Further, the refrigerator further includes: the second door body is arranged on the upper side of the first door body; and is
The hinge assembly is arranged at the upper end of the first door body;
The second door body is rotatably mounted to the second coupling portion.
In the hinge assembly and the refrigerator, because the first connecting part and the second connecting part have special structures, the first cam structure can be stretched and contracted when the second connecting part rotates relative to the first connecting part, so that the door body cannot move up and down in the rotating process. And the first cam structure and the second cam structure can be mutually extruded, and the door body can be rotatably stopped at a corresponding position under the action of the elastic resetting device, particularly the door body can hover at a 90-degree position. That is, the hinge assembly can realize the rotation stop of one or more positions of the door body at any position, in particular to the 90-degree rotation stop of the door body of the lower door body in a refrigerator (such as a cross door refrigerator) comprising the upper door and the lower door.
the above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic block diagram of a hinge assembly according to one embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a hinge assembly according to one embodiment of the present invention;
FIG. 3 is a schematic exploded view of a hinge assembly according to one embodiment of the present invention;
FIG. 4 is a schematic mating view of a first cam structure and a second cam structure of the hinge assembly shown in FIG. 2;
Fig. 5 is a schematic structural view of a refrigerator according to one embodiment of the present invention;
fig. 6 is a schematic structural view of the hinge assembly mounted to the door body.
Detailed Description
fig. 1 is a schematic structural view of a hinge assembly 300 according to one embodiment of the present invention. As shown in fig. 1 and referring to fig. 2-4, an embodiment of the present invention provides a hinge assembly 300 for a refrigerator door body. The hinge assembly 300 may include a first connection portion 310 and a second connection portion 320, wherein the first connection portion 310 and the second connection portion 320 are alternatively provided to the cabinet 100 of the refrigerator, and the other is provided to the door of the refrigerator to connect the cabinet 100 and the door.
The first connection portion 310 may include a bushing housing 311, a first cam structure 315, and a resilient return device 319. The first cam structure 315 is movably disposed in the axial direction of the boss housing 311. And the first cam structure 315 has a first base portion 316 and one or more first protruding portions 317 extending from the first base portion 316 in the axial direction of the sleeve housing 311 and arranged at intervals in the circumferential direction of the sleeve housing 311. The elastic restoring device 319 is disposed in the sleeve housing 311 and contacts and abuts against a side of the first base 316 facing away from the first protruding portion 317.
The second connection part 320 may include a rotation shaft 321 and a second cam structure 322; the second cam structure 322 has a second base 323 disposed on the rotating shaft 321, and one or more second protrusions 324 extending from the second base 323 along the axial direction of the rotating shaft 321 and disposed at intervals along the circumferential direction of the rotating shaft 321.
Specifically, the rotation shaft 321 is configured to be mounted to the first connection portion 310, and is disposed coaxially with the sleeve housing 311. Each second protruding portion 324 is configured to be disposed at one side of one first protruding portion 317, and when the second connecting portion 320 rotates relative to the first connecting portion 310, the second protruding portion 324 moves along the first protruding portion 317 and can move to a position where the protruding end surface of the second protruding portion 324 contacts the protruding end surface of the first protruding portion 317, and causes the first cam structure 315 to move along the axis of the rotating shaft 321, and causes the first cam structure 315 to compress the elastic restoring means 319.
when the hinge assembly 300 according to the embodiment of the present invention is used, the bushing housing 311 is fixed inside one door body, the second connection part 320 is fixed to the box body 100, and the hinge assembly 300 is preferentially disposed at the upper end of the door body. In the process of opening the door body, the first connecting portion 310 rotates, the first protruding portion 317 can move in the groove of the second cam structure 322, then contact with one second protruding portion 324 and move along the second protruding portion 324, the first cam structure 315 is pressed by the second protruding portion 324 to move downwards and retract into the sleeve housing 311 and compress the elastic resetting device 319, when the first protruding portion 317 is in sufficient contact with and abuts against the protruding end face of the second protruding portion 324, the opening of the door body is stopped, and the elastic resetting device 319 can enable the first protruding portion 317 to be in contact with and abuts against the protruding end face of the second protruding portion 324, so that the door body can suspend at the position. The door body closing process is opposite to the door body opening process, and after the convex end surface of the first convex part 317 is separated from the convex end surface of the second convex part 324, the elastic resetting device 319 can enable the first cam mechanism to extend upwards. To facilitate movement, each first projection 317 and each second projection 324 also include two guide surfaces disposed on either side of the respective raised end surface; each guide surface has a beveled portion at an angle of 30 ° to 60 ° to the axis of rotation 321.
In some embodiments of the present invention, the positions and the number of the first protruding portion 317 and the second protruding portion 324 may be designed accordingly, so that the door body may perform rotational stop at one or more positions, such as 30 ° rotational stop, 60 ° rotational stop, 90 ° rotational stop, and 120 ° rotational stop.
for example, in some embodiments of the present invention, the number of first and second bosses 317, 324 is one. Further, in order to ensure structural stability, a symmetrical design may be performed such that the number of the first and second protrusions 317 and 324 is two. In other embodiments of the present invention, the number of the first protruding portions 317 may be one, and the number of the second protruding portions 324 may be multiple, so that the door body can achieve rotational stop at multiple positions. The rotational stop at multiple positions may include not only the rotational stop at which the first protruding portion 317 contacts and abuts against the protruding end surface of the second protruding portion 324, but also the rotational stop at which the first protruding portion 317 is inserted into a groove between two adjacent second protruding portions 324. Also further, a structurally symmetrical design is possible. In still other embodiments of the present invention, the number of the second protrusions 324 may be one, and the number of the first protrusions 317 may be multiple, so that the door body can achieve rotation stop at multiple positions. Also further, a structurally symmetrical design is possible.
in some preferred embodiments of the present invention, the first protrusions 317 are plural and are uniformly distributed along the circumferential direction of the sleeve housing 311; the second protrusions 324 are uniformly distributed along the circumferential direction of the rotating shaft 321. Preferably, the number of the first protruding portion 317 and the second protruding portion 324 is two, so that the door body can realize 90 ° rotation stop. The number of the first protruding portion 317 and the second protruding portion 324 may be three, so as to achieve 60 ° rotation stop and 120 ° rotation stop of the door body, and the protrusion between the 60 ° rotation stop position and the 120 ° rotation stop position is cooperatively rotated and stopped with the groove, and may be 90 ° rotation stop.
in some embodiments of the present invention, the first cam structure 315 further includes a bushing 318 extending from a side of the first base portion 316 facing away from the plurality of first protrusions 317, the bushing 318 defining a shaft hole therein for mounting the shaft 321. The sleeve housing 311 may include a circumferential housing 312 and an end cap. The circumferential housing 312 is disposed radially outward of the boss 318, and each first projection 317 protrudes from one end of the circumferential housing 312 out of the boss housing 311. The end cap has a cover portion 313 provided at the other end of the circumferential housing 312, and a sleeve portion 314 extending from the cover portion 313 toward the first boss portion 317; the bushing 318 is inserted into the sleeve portion 314.
In some further embodiments of the invention, the elastic return means 319 is a spring, housed in the sleeve portion 314 and in the sleeve 318, and in contact against the cap portion 313. The end of the circumferential housing 312 where the first cam structure 315 is mounted has a first step surface, and the first base 316 has a second step surface that cooperates with the first step surface to define a maximum protruding position where the first boss 317 protrudes out of the sleeve housing 311.
in order to facilitate manufacturing and improve structural strength, the rotating shaft 321 and the second cam structure 322 are integrally formed; each of the second protrusions 324 is also formed on the peripheral wall of the rotation shaft 321.
further, a plurality of mounting lugs are uniformly distributed on the outer side of the circumferential shell 312 along the circumferential direction of the circumferential shell 312, so that the shaft sleeve shell 311 is mounted inside the door body through screws. The second connecting portion 320 further includes a shaft holder 328, the shaft 321 is mounted on the shaft holder 328, and the shaft holder 328 is configured to mount the second connecting portion 320 on the box 100. In some preferred schemes, the position of the approximate middle of the rotating shaft 321 is installed on the rotating shaft fixing frame 328, that is, two ends of the rotating shaft 321 extend out of the rotating shaft fixing frame 328, so that the door body can be installed on both the upper side and the lower side of the rotating shaft 321.
fig. 5 is a schematic structural view of a refrigerator according to one embodiment of the present invention. As shown in fig. 5 and referring to fig. 6, an embodiment of the present invention further provides a refrigerator, which may include a refrigerator body 100, a first door body 210, and a hinge assembly 300 in any of the above embodiments. The sleeve housing 311 is fixed inside the first door body 210; the second connection portion 320 is fixed to the case 100. Preferably, the hinge assembly 300 is disposed at an upper end of the first door body 210.
In some embodiments of the present invention, the refrigerator may further include a second door 220, and the second door 220 is disposed on an upper side of the first door 210. The hinge assembly 300 is disposed at the upper end of the first door body 210; the second door body 220 is rotatably mounted to the second coupling portion 320. Further, the refrigerator is preferably a cross-door refrigerator, or a multi-door refrigerator.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.

Claims (8)

1. a hinge assembly for a refrigerator door body is characterized by comprising a first connecting part and a second connecting part, wherein the first connecting part and the second connecting part are alternatively arranged on a refrigerator body of the refrigerator, and the other connecting part is arranged on the refrigerator door body so as to connect the refrigerator body and the door body; wherein
the first connecting part comprises a shaft sleeve shell, a first cam structure and an elastic resetting device; the first cam structure is movably arranged along the axial direction of the shaft sleeve shell and is provided with a first base part and one or more first protruding parts which extend out from the first base part along the axial direction of the shaft sleeve shell and are arranged at intervals along the circumferential direction of the shaft sleeve shell; the elastic resetting device is arranged in the shaft sleeve shell and is in contact and abutted with one side of the first base part, which is far away from the first bulge part;
the second connecting part comprises a rotating shaft and a second cam structure; the second cam structure is provided with a second base part arranged on the rotating shaft and one or more second protruding parts extending from the second base part along the axial direction of the rotating shaft and arranged at intervals along the circumferential direction of the rotating shaft; and is
The rotating shaft is configured to be mounted on the first connecting part and is arranged coaxially with the shaft sleeve shell;
Each of the second protruding portions is configured to be disposed at one side of one of the first protruding portions, and when the second connecting portion rotates relative to the first connecting portion, the second protruding portion moves along the first protruding portion and can move to a position where a protruding end face of the second protruding portion contacts a protruding end face of the first protruding portion, and causes the first cam structure to move along the axis of the rotating shaft, and causes the first cam structure to compress the elastic return means;
The first cam structure further comprises a shaft sleeve extending from one side of the first base portion, which is away from the plurality of first protruding portions, and a shaft hole is defined in the shaft sleeve so as to mount the rotating shaft; and the bushing housing includes:
The circumferential shell is arranged on the radial outer side of the shaft sleeve, and each first boss extends out of the shaft sleeve shell from one end of the circumferential shell; and
An end cap having a cover portion provided at the other end of the circumferential housing and a sleeve portion extending from the cover portion to the first boss portion; the shaft sleeve is inserted into the sleeve part; and also
The end of the circumferential housing, to which the first cam structure is mounted, has a first step surface, and the first base has a second step surface that cooperates with the first step surface to define a maximum protruding position at which the first boss protrudes out of the boss housing.
2. The hinge assembly of claim 1,
the elastic reset device is a spring, is sleeved on the sleeve part and the shaft sleeve, and is in contact and abutting contact with the cover part.
3. The hinge assembly of claim 1,
The outer side of the circumferential shell is uniformly provided with a plurality of mounting lugs along the circumferential direction of the circumferential shell, so that the shaft sleeve shell is mounted inside the door body through screws.
4. The hinge assembly of claim 1,
The rotating shaft and the second cam structure are integrally formed; each second protruding part is further formed on the peripheral wall of the rotating shaft;
The second connecting portion further comprises a rotating shaft fixing frame, the rotating shaft is mounted on the rotating shaft fixing frame, and the rotating shaft fixing frame is configured to mount the second connecting portion on the box body.
5. The hinge assembly of claim 1,
Each of the first and second projecting portions further includes two guide surfaces provided on both sides of the respective projecting end surface;
each guide face has a beveled portion at an angle of 30 ° to 60 ° to the axis of rotation.
6. The hinge assembly of claim 1,
the first protruding parts are uniformly distributed along the circumferential direction of the shaft sleeve shell;
the second protruding parts are uniformly distributed along the circumferential direction of the rotating shaft;
The number of the first protruding parts and the second protruding parts is two.
7. A refrigerator, characterized by comprising a refrigerator body, a first door body and a hinge assembly according to any one of claims 1 to 6, wherein the bushing shell is fixed inside the first door body; the second connecting portion is fixed to the case.
8. the refrigerator according to claim 7, further comprising:
The second door body is arranged on the upper side of the first door body; and is
The hinge assembly is arranged at the upper end of the first door body;
the second door body is rotatably mounted to the second coupling portion.
CN201710495658.8A 2017-06-26 2017-06-26 Hinge assembly and refrigerator with same Active CN107217937B (en)

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Application Number Priority Date Filing Date Title
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CN107217937B true CN107217937B (en) 2019-12-06

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Publication number Priority date Publication date Assignee Title
CN108088163B (en) * 2017-12-07 2019-12-20 合肥华凌股份有限公司 Locking stop device, box body assembly and refrigerator
CN109695391A (en) * 2018-04-24 2019-04-30 青岛海尔股份有限公司 Door closer and refrigerator with the door closer
US10995977B2 (en) * 2019-08-28 2021-05-04 Whirlpool Corporation Mullion hinge assembly

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JPS5012348U (en) * 1973-05-28 1975-02-07
KR100575226B1 (en) * 1999-06-14 2006-05-02 삼성전자주식회사 Door opening device for refrigerator
KR100622259B1 (en) * 2004-12-28 2006-09-19 엘지전자 주식회사 The door hinge for a refrigerator
CN101131283B (en) * 2006-08-22 2010-12-08 泰州乐金电子冷机有限公司 Hinge mechanism of family pub for refrigerator
JP4904222B2 (en) * 2007-08-20 2012-03-28 シャープ株式会社 Door opening / closing mechanism and refrigerator
CN101592003A (en) * 2008-05-30 2009-12-02 海尔集团公司 A kind of door engine of refrigerator
KR20100024702A (en) * 2008-08-26 2010-03-08 삼성광주전자 주식회사 A refrigerator
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