CN111140114B - Refrigerator hinge assembly - Google Patents
Refrigerator hinge assembly Download PDFInfo
- Publication number
- CN111140114B CN111140114B CN202010162646.5A CN202010162646A CN111140114B CN 111140114 B CN111140114 B CN 111140114B CN 202010162646 A CN202010162646 A CN 202010162646A CN 111140114 B CN111140114 B CN 111140114B
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- Prior art keywords
- connecting arm
- refrigerator
- arc
- door body
- rectangular
- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D3/00—Hinges with pins
- E05D3/06—Hinges with pins with two or more pins
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D3/00—Hinges with pins
- E05D3/06—Hinges with pins with two or more pins
- E05D3/14—Hinges with pins with two or more pins with four parallel pins and two arms
- E05D3/142—Hinges with pins with two or more pins with four parallel pins and two arms with at least one of the hinge parts having a cup-shaped fixing part, e.g. for attachment to cabinets or furniture
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- 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
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D3/00—Hinges with pins
- E05D3/06—Hinges with pins with two or more pins
- E05D3/14—Hinges with pins with two or more pins with four parallel pins and two arms
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D5/00—Construction of single parts, e.g. the parts for attachment
- E05D5/02—Parts for attachment, e.g. flaps
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- 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
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
- E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
- E05F1/1246—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis
- E05F1/1253—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a compression spring
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
- E05F5/08—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with springs
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
- E05F5/10—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with piston brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
- F25D23/028—Details
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2201/00—Constructional elements; Accessories therefore
- E05Y2201/60—Suspension or transmission members; Accessories therefore
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/624—Arms
- E05Y2201/626—Levers
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
- E05Y2600/40—Mounting location; Visibility of the elements
- E05Y2600/41—Concealed
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- 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
Abstract
The invention discloses a refrigerator hinge assembly and relates to the technical field of refrigerator hinges. The refrigerator door comprises a hinge assembly, a door body and a door body, wherein the hinge assembly is used for connecting a refrigerator body and the refrigerator door body; the hinge assembly comprises a hinge seat and a transmission device; the transmission device comprises a first connecting arm, a second connecting arm, a third connecting arm, an elastic structure and a buffer structure. When the refrigerator door body is opened and forms an angle of 90 degrees with the side surface of the refrigerator body, the second circular convex block of the second connecting arm is limited by the first arc-shaped groove of the first connecting arm; meanwhile, the second arc-shaped limiting lug of the second connecting arm is limited by the protruding part on one side of the second arc-shaped groove and cannot be opened by a larger angle; the structure is simplified, the installation commonality is high, improves stability and reliability, and the refrigerator door body of being convenient for is opened and is closed, and occupation space is little, and the door body is opened the in-process and is not outstanding the box.
Description
Technical Field
The invention belongs to the technical field of refrigerator hinges, and particularly relates to a refrigerator hinge assembly.
Background
The existing refrigerator hinge mainly comprises a hinge fixing plate and a hinge shaft, wherein the hinge plate is fixed on a limiting block and a catch which are matched with the hinge shaft and are fixed on a refrigerator door body; when the refrigerator door is used, the refrigerator door is pushed by a human hand, the limiting block shaft hole and the hinge shaft rotate to realize closing or opening, the hinge structure is simple and low in cost, the hinge structure is used on most refrigerators, and the refrigerator door can protrude out of a refrigerator body when being opened. The embedded refrigerator is more and more popular with users, the market growth space of the industry in the future is huge, the embedded refrigerator requires 90-degree opening, and in the opening process of the door body, the door body cannot protrude out of the refrigerator body, otherwise, the door body can collide with a cabinet.
The existing embedded refrigerator is complex in hinge installation, high in cost, single in use and large in occupied position, prevents a refrigerator door body from opening and closing, enables the refrigerator door body to collide with a refrigerator frame body easily, and is small in hinge seat rotating force arm, so that the pushing force required by the rotation of the refrigerator door body is large, the operation is not convenient, the connection base points inside the hinge are large, part of the connection base points are not fixed, the connection base points move along with the door body, and the phenomenon of unsmooth door opening and closing is easy to occur.
The present invention provides a refrigerator hinge assembly for solving the above problems.
Disclosure of Invention
The refrigerator hinge assembly is connected with a refrigerator body and a refrigerator door body through the hinge assembly, so that the stability and the reliability are improved, the refrigerator door body is convenient to open and close, the occupied space is small, and the refrigerator door body does not protrude out of a refrigerator body in the opening process.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention provides a refrigerator hinge assembly, comprising: the hinge assembly is used for connecting the refrigerator body and the refrigerator door body; the hinge assembly comprises a hinge seat and a transmission device; the transmission device comprises a first connecting arm, a second connecting arm, a third connecting arm, an elastic structure and a buffer structure;
the top of the refrigerator body is provided with a rectangular mounting groove; the hinge seat is fixed on the bottom surface of the mounting groove through a screw; a first rectangular groove and a second rectangular groove which are parallel to each other are formed in the bottom surface of the hinge seat; a buffer structure is arranged in the first rectangular groove; an elastic structure is arranged in the second rectangular groove; the buffer structure comprises a buffer and a telescopic shaft; the elastic structure comprises a spring and a cam fixed at one end of the spring; one end of the spring is fixed at one end of the second rectangular groove;
the top of the refrigerator door body is provided with a rectangular notch communicated with the side face; the first connecting arm, the second connecting arm and the third connecting arm are all L-shaped structures; the head end of the second connecting arm is rotatably arranged on the hinge seat; the second round convex block fixed at the tail end of the second connecting arm is rotatably arranged on the bottom surface of the rectangular notch; a top block fixed on one side of the head end of the second connecting arm props against the cam; a second arc-shaped limiting convex block is fixed on the inner side, close to the head end, of the second connecting arm;
the head end of the first connecting arm is rotatably connected to the hinge base; the first round bump fixed at the tail end of the first connecting arm is rotatably connected to the bottom surface of the rectangular notch; the second round convex block is closer to the outer side of the rectangular notch than the first round convex block; a first arc-shaped groove matched with the second circular lug is formed at the tail end of the first circular lug and the tail end of the first connecting arm;
the vertex angle position of the third connecting arm is rotatably arranged on the hinge seat; the third connecting arm is positioned on the outer side of the second connecting arm, and the opening of the third connecting arm faces the second connecting arm; a second arc-shaped groove matched with the second arc-shaped limiting lug is formed in the inner side of the head end of the third connecting arm; the tail end of the third connecting arm is rotatably connected to one end of the buffer;
a first arc-shaped limiting bump is fixed on the inner side of the first connecting arm; the edge of the rectangular notch is provided with a limiting structure corresponding to the first arc-shaped limiting lug.
Preferably, the second rectangular groove is closer to the refrigerator door body than the first rectangular groove.
Preferably, the rotating shaft of the second connecting arm connected with the hinge base is positioned at one side of the second rectangular groove; one side surface of the top block is an inclined surface; the face of the ejector block, which is contacted with the cam, is an inclined face.
Preferably, in the rectangular slot, the second circular bump is further outside than the first circular bump.
One aspect of the present invention has the following advantageous effects:
1. the refrigerator door body and the refrigerator door body are connected through the hinge assembly, and when the refrigerator door body is opened and forms an angle of 90 degrees with the side surface of the refrigerator body, the second round convex block of the second connecting arm is limited by the first arc-shaped groove of the first connecting arm; meanwhile, the second arc-shaped limiting lug of the second connecting arm is limited by the protruding part on one side of the second arc-shaped groove and cannot be opened by a larger angle; when the refrigerator door body is closed, the second arc-shaped limiting lug of the second connecting arm is limited with the second arc-shaped groove on the inner side of the third connecting arm, the first arc-shaped limiting lug of the first connecting arm is limited by the limiting structure on the edge of the rectangular notch, and the refrigerator door body cannot be closed continuously; the refrigerator door body opening and closing device is simple in structure, high in installation universality, capable of improving stability and reliability, convenient to open and close the refrigerator door body, small in occupied space and free of protruding the refrigerator body in the door body opening process.
2. In the door closing process of the refrigerator door body, the spring is stretched, the telescopic rod of the buffer structure is in a contraction state, and the buffer structure and the elastic structure enable the refrigerator door body to be closed slowly, so that collision damage caused by overlarge door closing force is avoided.
3. In the process of opening the refrigerator door body, the ejector block pushes the cam to compress the spring, the telescopic shaft of the buffer structure is in an ejecting state, and the buffer structure and the elastic structure enable the refrigerator door body to be opened more labor-saving.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a refrigerator hinge assembly according to the present invention when a refrigerator door is opened;
FIG. 2 is a schematic structural view of a refrigerator hinge assembly according to the present invention when a refrigerator door is closed;
FIG. 3 is an enlarged view of A in FIG. 2;
FIG. 4 is a schematic structural view of a hinge seat in a hinge assembly for a refrigerator according to the present invention;
FIG. 5 is a schematic view of a first connecting arm of a hinge assembly for a refrigerator according to the present invention;
FIG. 6 is a schematic structural diagram of a second connecting arm in a refrigerator hinge assembly according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a refrigerator body, 11-a mounting groove, 2-a hinge assembly, 21-a first connecting arm, 211-a first circular bump, 212-a first arc-shaped groove, 213-a first arc-shaped limit bump, 22-a second connecting arm, 221-a first circular bump, 222-a top block, 223-a second arc-shaped limit bump, 23-a third connecting arm, 231-a second arc-shaped groove, 241-a spring, 242-a cam, 251-a buffer, 252-a telescopic shaft, 26-a hinge seat, 261-a first rectangular groove, 262-a second rectangular groove, 3-a refrigerator door body, 31-a rectangular groove opening and 32-a limit structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open," "upper," "middle," "length," "inner," and the like are used in an orientation or positional relationship for convenience in describing the present invention and for simplicity of description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-6, the present invention is a refrigerator hinge assembly, including a hinge assembly 2, the hinge assembly 2 is used for connecting a refrigerator body 1 and a refrigerator door 3; the hinge assembly 2 comprises a hinge base 26 and a transmission device; the transmission device comprises a first connecting arm 21, a second connecting arm 22, a third connecting arm 23, an elastic structure and a buffer structure;
the top of the refrigerator body 1 is provided with a rectangular mounting groove 11 communicated with the side surface; the hinge seat 26 is fixed on the bottom surface of the rectangular mounting groove 11 through screws; the hinge base 26 is respectively provided with a first rectangular groove 261 and a second rectangular groove 262 which are parallel to each other; in fact, the second rectangular groove 262 is closer to the refrigerator door body 3 than the first rectangular groove 261; a buffer structure is arranged in the first rectangular groove 261; the elastic structure is arranged in the second rectangular groove 262; specifically, the buffer structure includes a buffer 251 and a telescopic shaft 252; one end of the telescopic shaft 252 is fixed at one end of the first rectangular groove 261; the buffer 251 is connected with one end of the telescopic shaft 252; the elastic structure comprises a spring 241 and a cam 242 fixed at one end of the spring 241; one end of the spring 241 is fixed at one end of the second rectangular groove 262; in fact, the cam 242 slides in the second rectangular slot 262 during the extension and retraction of the spring 241;
the top of the refrigerator door body 3 is provided with a rectangular notch 31 communicated with the side surface, wherein the rectangular notch 31 corresponds to the mounting groove 11; the second connecting arm 22 is of an L-shaped structure, and a second round bump 221 fixed at the tail end of the second connecting arm 22 is rotatably connected to the bottom surface of the rectangular notch 31; the head end of the second connecting arm 22 is rotatably mounted on the hinge base 26; specifically, the rotating shaft of the second connecting arm 22 connected with the hinge base 26 is located at one side of the second rectangular groove 262; the top block 222 fixed at the side of the head end of the second connecting arm 22 is pressed against the cam 242; wherein, one side of the top block 222 is an inclined surface; the surface of the top block 222 contacting the cam 242 is an inclined surface; a second arc-shaped limiting convex block 223 is fixed on the inner side, close to the head end, of the second connecting arm 22;
the first connecting arm 21 is of an L-shaped structure, the head end of the first connecting arm 21 is rotatably connected to the hinge base 26, actually, a side plate fixed on the side surface of the hinge base 26 extends out of the refrigerator body 1, and the first connecting arm 21 is rotatably connected to the side plate; the first round convex block 211 fixed at the tail end of the first connecting arm 21 is rotatably connected with the bottom surface of the rectangular notch 31; in fact, inside the rectangular notch 31, the second circular protrusion 221 is located further outward than the first circular protrusion 211; the first circular bump 211 and the end of the first connecting arm 21 form a first arc-shaped groove 212 matched with the second circular bump 221;
the third connecting arm 23 is of an L-shaped structure; the vertex angle position of the third connecting arm 23 is rotatably arranged on the hinge seat 26; in fact, on the hinge seat 26, the third connecting arm 23 is located outside the second connecting arm 22 and the third connecting arm 23 opens towards the second connecting arm 22; a second arc-shaped groove 231 matched with the second arc-shaped limiting convex block 223 is formed in the inner side of the head end of the third connecting arm 23; the tail end of the third connecting arm 23 is rotatably connected to one end of the buffer 251;
in addition, a first arc-shaped limiting bump 213 is fixed on the inner side of the first connecting arm 21; the edge of the rectangular notch 31 is fixed with a limit structure 32 corresponding to the first arc-shaped limit bump 213;
in practical use, when the refrigerator door 3 is opened and forms an angle of 90 degrees with the side surface of the refrigerator body 1, the second round convex block 221 of the second connecting arm 22 is limited by the first arc-shaped groove 212 of the first connecting arm 21; meanwhile, the second arc-shaped limit projection 223 of the second connecting arm 22 is limited by the protruding part at one side of the second arc-shaped groove 231, and cannot be opened by a larger angle; at this time, the top block 222 pushes the cam 242 to compress the spring 241, the telescopic shaft 252 of the buffer structure is in an ejecting state, and the buffer structure and the elastic structure enable the refrigerator door body 3 to be opened more labor-saving;
when the refrigerator door body 3 is closed, the second arc-shaped limiting lug 223 of the second connecting arm is limited with the second arc-shaped groove 231 on the inner side of the third connecting arm 23, the first arc-shaped limiting lug 213 of the first connecting arm 21 is limited by the limiting structure 32 at the edge of the rectangular notch 31, and the refrigerator door body 3 cannot be closed continuously; spring 241 at this moment is stretched, and buffer structure's telescopic link 252 is in the contraction state, and buffer structure and elastic construction make the refrigerator door body 3 slowly close, avoid closing the door dynamics too big and lead to the collision damage.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. The refrigerator hinge assembly is characterized by comprising a hinge assembly (2) used for connecting a refrigerator body (1) and a refrigerator door body (3); the hinge assembly (2) comprises a hinge base (26) and a transmission device; the transmission device comprises a first connecting arm (21), a second connecting arm (22), a third connecting arm (23), an elastic structure and a buffer structure;
the top of the refrigerator body (1) is provided with a rectangular mounting groove (11); the hinge seat (26) is fixed on the bottom surface of the mounting groove (11) through a screw; a first rectangular groove (261) and a second rectangular groove (262) which are parallel to each other are formed in the bottom surface of the hinge seat (26); a buffer structure is arranged in the first rectangular groove (261); an elastic structure is arranged in the second rectangular groove (262); the buffer structure comprises a buffer (251) and a telescopic shaft (252); the elastic structure comprises a spring (241) and a cam (242) fixed at one end of the spring (241); one end of the spring (241) is fixed at one end of the second rectangular groove (262);
the top of the refrigerator door body (3) is provided with a rectangular notch (31) communicated with the side surface; the first connecting arm (21), the second connecting arm (22) and the third connecting arm (23) are all L-shaped structures; the head end of the second connecting arm (22) is rotatably arranged on the hinge seat (26); a second round convex block (221) fixed at the tail end of the second connecting arm (22) is rotatably arranged on the bottom surface of the rectangular notch (31); a top block (222) fixed at one side of the head end of the second connecting arm (22) props against the cam (242); a second arc-shaped limiting convex block (223) is fixed on the inner side, close to the head end, of the second connecting arm (22);
the head end of the first connecting arm (21) is rotatably connected to the hinge base (26); a first round bump (211) fixed at the tail end of the first connecting arm (21) is rotatably connected to the bottom surface of the rectangular notch (31); the second round bump (221) is closer to the outer side of the rectangular notch (31) than the first round bump (211); the first circular bump (211) and the tail end of the first connecting arm (21) form a first arc-shaped groove (212) matched with the second circular bump (221);
the vertex angle position of the third connecting arm (23) is rotatably arranged on the hinge seat (26); the third connecting arm (23) is positioned on the outer side of the second connecting arm (22), and the opening of the third connecting arm (23) faces the second connecting arm (22); a second arc-shaped groove (231) matched with the second arc-shaped limiting bump (223) is formed in the inner side of the head end of the third connecting arm (23); the tail end of the third connecting arm (23) is rotatably connected to one end of the buffer (251);
a first arc-shaped limiting bump (213) is fixed on the inner side of the first connecting arm (21); the edge of the rectangular notch (31) is provided with a limiting structure (32) corresponding to the first arc-shaped limiting bump (213).
2. A refrigerator hinge assembly according to claim 1, characterized in that said second rectangular groove (262) is closer to the refrigerator door body (3) than the first rectangular groove (261).
3. A refrigerator hinge assembly as claimed in claim 1, wherein the rotation shaft of the second connecting arm (22) connected with the hinge base (26) is located at one side of the second rectangular groove (262); one side surface of the top block (222) is an inclined surface; the surface of the top block (222) contacting the cam (242) is an inclined surface.
4. A refrigerator hinge assembly as claimed in claim 1, wherein the second rounded protrusion (221) is located further outward than the first rounded protrusion (211) within the rectangular slot (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010162646.5A CN111140114B (en) | 2020-03-10 | 2020-03-10 | Refrigerator hinge assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010162646.5A CN111140114B (en) | 2020-03-10 | 2020-03-10 | Refrigerator hinge assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111140114A CN111140114A (en) | 2020-05-12 |
| CN111140114B true CN111140114B (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010162646.5A Active CN111140114B (en) | 2020-03-10 | 2020-03-10 | Refrigerator hinge assembly |
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| Country | Link |
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| CN (1) | CN111140114B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111749584A (en) * | 2020-06-19 | 2020-10-09 | 广东威法定制家居股份有限公司 | Side-push hidden door connecting device and storage cabinet |
| CN112096200A (en) * | 2020-10-22 | 2020-12-18 | 山东省滨州市冰厨制冷设备有限公司 | External door return hinge |
| CN112664080A (en) * | 2020-12-25 | 2021-04-16 | 长虹美菱股份有限公司 | Refrigerator hinge assembly |
| CN116006039A (en) * | 2022-12-15 | 2023-04-25 | 广东名门锁业有限公司 | Buffering noise-reducing door stopper |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT7500U1 (en) * | 2004-02-09 | 2005-04-25 | Blum Gmbh Julius | STAND ARM DRIVE FOR FLAP FLAKES |
| KR100707450B1 (en) * | 2005-04-16 | 2007-04-13 | 엘지전자 주식회사 | Door opening and closing device for refrigerator |
| DE202006010482U1 (en) * | 2006-07-06 | 2007-11-08 | Liebherr-Hausgeräte Lienz Gmbh | Arrangement for the pivotable mounting of a door or flap as well as refrigerators and / or freezers with such an arrangement |
| DE102008034808A1 (en) * | 2008-07-24 | 2010-01-28 | Suspa Holding Gmbh | Cabinet, particularly refrigerator, has two elements that are provided with hinge, where damping element is provided for pivoting of two elements against each other |
| DE102008035926A1 (en) * | 2008-08-01 | 2010-02-18 | Suspa Holding Gmbh | Cabinet, particularly refrigerator, has body with side wall, base wall and opening, where base wall is provided with face surface |
| IT1396119B1 (en) * | 2009-09-23 | 2012-11-16 | Nuova Star Spa | COMBINATION OF A HINGE FOR DOORS OR DOORS AND A SHOCK ABSORBER. |
| DE102014101849A1 (en) * | 2014-02-13 | 2015-08-13 | Hettich-Oni Gmbh & Co. Kg | Bearing arrangement for a door |
| TR201908691T4 (en) * | 2015-03-18 | 2019-07-22 | Lg Electronics Inc | A refrigerator. |
| KR102425367B1 (en) * | 2017-04-26 | 2022-07-27 | 엘지전자 주식회사 | Refrigerator |
| CN108487808B (en) * | 2018-06-04 | 2023-12-12 | 广东金利祥兴五金精密制造有限公司 | Large-angle buffering hinge |
| CN108825024B (en) * | 2018-06-30 | 2023-12-05 | 江苏玖星精密科技集团有限公司 | Embedded refrigerator hinge with open free state function |
| CN209687133U (en) * | 2018-09-15 | 2019-11-26 | 佛山市顺德区诺维电器有限公司 | A kind of side enabling is lower to reset hinge |
| CN109681063B (en) * | 2018-12-21 | 2024-01-30 | 江苏玖星精密科技集团有限公司 | Refrigerator door hinge with damping buffer structure |
-
2020
- 2020-03-10 CN CN202010162646.5A patent/CN111140114B/en active Active
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|---|---|
| CN111140114A (en) | 2020-05-12 |
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