CN117822996A - Lower hinge assembly for refrigerator and refrigerator - Google Patents

Lower hinge assembly for refrigerator and refrigerator Download PDF

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Publication number
CN117822996A
CN117822996A CN202211194055.1A CN202211194055A CN117822996A CN 117822996 A CN117822996 A CN 117822996A CN 202211194055 A CN202211194055 A CN 202211194055A CN 117822996 A CN117822996 A CN 117822996A
Authority
CN
China
Prior art keywords
hinge
shaft sleeve
refrigerator
plate
hinge shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211194055.1A
Other languages
Chinese (zh)
Inventor
姜明亮
杨发林
徐志国
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 Refrigerator Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Refrigerator Co Ltd
Haier Smart Home 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 Refrigerator Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Refrigerator Co Ltd
Priority to CN202211194055.1A priority Critical patent/CN117822996A/en
Priority to PCT/CN2023/121632 priority patent/WO2024067609A1/en
Publication of CN117822996A publication Critical patent/CN117822996A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • E05D3/02—Hinges with pins with one pin
    • 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
    • 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
    • E05D5/10—Pins, sockets or sleeves; Removable pins
    • E05D5/14—Construction of sockets or sleeves
    • 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

Abstract

The invention provides a lower hinge assembly for a refrigerator and the refrigerator. The hinge plate is connected with the refrigerator body. The hinge shaft is connected with the hinge plate. The hinge shaft sleeve is sleeved on the hinge shaft and is connected with the hinge plate. The door body shaft sleeve is pivotally sleeved on the hinge shaft and is not arranged above the hinge shaft sleeve. The hinge sleeve is engaged with the door body sleeve to rotatably connect the door body with respect to the case body. The hinge shaft sleeve is provided with a plurality of upper protruding parts along the circumferential direction of the hinge shaft at intervals, the door body shaft sleeve is provided with a plurality of lower concave parts along the circumferential direction of the hinge shaft at intervals, and part of the upper protruding parts are matched with the corresponding lower concave parts at intervals so as to reduce noise in the rotating process.

Description

Lower hinge assembly for refrigerator and refrigerator
Technical Field
The invention relates to the field of household appliances, in particular to a lower hinge assembly for a refrigerator and the refrigerator.
Background
Most current refrigerator products have adjustable lower hinges to adjust the height of the two doors of the refrigerator after prolonged use. But because the structural feature of axle sleeve, the axle sleeve is inclined loose easily after adjusting, produces the noise. The shaft sleeve is extruded by the hinge all the time after the refrigerator is inclined, and is easy to break and difficult to adjust.
The fixing of the existing shaft sleeve and the hinge plate is that a very long column is formed on the shaft sleeve, because the shaft sleeve is an injection molding piece, the top end and the tail end of the long column have very large diameter difference, so that the problem of the matching and shaking of the long column and the hinge hole can be caused, and the door can be opened and closed to generate noise.
The boss and the recess of current axle sleeve cooperation structure for upper and lower axle sleeve are close fit, and in the rotatory in-process of the door body, when the boss of upper axle sleeve falls into the recess of lower axle sleeve, because the mating surface of upper and lower axle sleeve is too much, the contact surface of upper and lower axle sleeve can produce the striking, causes the noise.
Disclosure of Invention
An object of the present invention is to provide a lower hinge assembly for a refrigerator and a refrigerator solving any of the above-mentioned problems.
A further object of the present invention is to reduce noise during opening and closing of the door.
It is a further object of the present invention to enhance the stability of the lower hinge structure.
In particular, the present invention provides a lower hinge assembly for a refrigerator, comprising:
the hinge plate is connected with the refrigerator body;
the hinge shaft is connected with the hinge plate;
the hinge shaft sleeve is sleeved on the hinge shaft and is connected with the hinge plate;
the door body shaft sleeve is sleeved on the hinge shaft in a pivoting manner and is positioned above the hinge shaft sleeve, and the hinge shaft sleeve is matched with the door body shaft sleeve so that the door body is rotatably connected relative to the box body;
the hinge shaft sleeve is provided with a plurality of upper protruding parts along the circumferential direction of the hinge shaft at intervals, the door body shaft sleeve is provided with a plurality of lower concave parts along the circumferential direction of the hinge shaft at intervals, and part of the upper protruding parts are matched with the corresponding lower concave parts at intervals so as to reduce noise in the rotating process.
Further, the hinge sleeve further includes:
the hinge shaft sleeve main body plate is arranged above the hinge plate and is connected with the hinge plate;
the shaft sleeve part is arranged at one end of the main body plate and provided with a through hole, and the hinge shaft extends out of the through hole so that the hinge shaft sleeve is sleeved on the hinge shaft;
the hinge shaft further includes:
and the upper end of the clamping table is abutted with the shaft sleeve part so as to limit the moving range of the hinge shaft sleeve in the vertical direction.
Further, a first fixing hole is arranged on the main body plate of the hinge shaft sleeve, the first fixing hole is arranged at intervals with the shaft sleeve part, a second fixing hole is arranged on the hinge plate, the first fixing hole and the second fixing hole are correspondingly arranged,
the lower hinge assembly further includes:
the connecting piece passes through the first fixing hole and the second fixing hole and is used for connecting the hinge shaft sleeve and the hinge plate.
Further, the connector includes:
the clamping end is used for limiting the moving range of the hinge shaft sleeve in the vertical direction;
the spiral end is screwed with the spiral threads in the second fixing hole and is used for connecting the hinge shaft sleeve and the hinge plate.
Further, the connector includes:
the hollow rivet is fixedly connected with the hinge plate, and one end of the hollow rivet, which is far away from the hinge plate, is provided with a threaded hole;
and the screw is screwed with the threaded hole, and one end of the screw, which is far away from the second fixing hole, is clamped with the first fixing hole so as to limit the moving range of the hinge shaft sleeve in the vertical direction.
Further, the hinge sleeve further includes:
and the supporting table is formed by downwards extending a main body plate of the hinge shaft sleeve, is abutted with the hinge plate and is used for supporting the hinge shaft sleeve.
Further, the door body sleeve further comprises:
a door body shaft sleeve main body plate;
a tubular part which is arranged at one end of the door body shaft sleeve main body plate and is used for accommodating the upper end of the hinge shaft;
and the limiting part is arranged at the other end of the main body plate of the door body shaft sleeve and is arranged at intervals with the tubular part.
Further, the inner wall inclination angle of the tubular part is consistent with the outer wall inclination angle of the hinge shaft, so that the door body shaft sleeve can be closely attached to the hinge shaft.
Further, the plurality of concave parts comprise a first concave part and a second concave part which are sequentially arranged;
the upper convex parts comprise a first upper convex part and a second upper convex part which are sequentially arranged;
the first lower concave part and the first upper convex part are matched at intervals to reduce rotation noise;
the second concave-down part and the second convex-up part are tightly matched and arranged to limit the opening angle of the refrigerator.
The invention also provides a refrigerator comprising the lower hinge assembly for the refrigerator.
The lower hinge assembly for refrigerator includes hinge plate, hinge shaft sleeve and door shaft sleeve. The hinge plate is connected with the refrigerator body. The hinge shaft is connected with the hinge plate. The hinge shaft sleeve is sleeved on the hinge shaft and is connected with the hinge plate. The door body shaft sleeve is pivotally sleeved on the hinge shaft and is not arranged above the hinge shaft sleeve. The hinge sleeve is engaged with the door body sleeve to rotatably connect the door body with respect to the case body. The hinge shaft sleeve is provided with a plurality of upper protruding parts along the circumferential direction of the hinge shaft at intervals, the door body shaft sleeve is provided with a plurality of lower concave parts along the circumferential direction of the hinge shaft at intervals, and part of the upper protruding parts are matched with the corresponding lower concave parts at intervals so as to reduce noise in the rotating process.
Further, the hinge bushing for the lower hinge assembly of the refrigerator of the present invention includes a body plate and a bushing portion. The main body plate is provided with a first fixing hole. The first fixing hole is arranged at intervals with the shaft sleeve part. The hinge plate is provided with a second fixing hole. The first fixing hole and the second fixing hole are correspondingly arranged. The lower hinge assembly further includes a connector. The connecting piece passes through the first fixing hole and the second fixing hole and is used for connecting the hinge shaft sleeve with the hinge plate. The hinge sleeve further includes a support stand. The supporting table is formed by the downward extension of the main body plate, and the supporting table is in butt joint with the hinge plate and used for supporting the hinge shaft sleeve, so that the compactness of the lower hinge assembly structure is further enhanced, and the noise can be avoided.
The above, as well as additional objectives, advantages, and features of the present invention will become apparent to those skilled in the art from the following detailed description of a specific embodiment of the present invention when read in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:
fig. 1 is a schematic structural view of a refrigerator according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a lower hinge assembly and door body lower molding connection structure according to one embodiment of the present invention;
FIG. 3 is a schematic exploded view of the lower hinge assembly and door body lower molding connection structure of the embodiment of FIG. 2;
FIG. 4 is a schematic exploded view of a lower hinge assembly and door body lower molding connection structure according to another embodiment of the present invention;
FIG. 5 is a schematic block diagram of a lower hinge assembly in accordance with one embodiment of the present invention;
FIG. 6 is a schematic block diagram of a lower hinge assembly with a door body bushing and hinge bushing hidden from view in accordance with another embodiment of the present invention;
FIG. 7 is a schematic view of a door body bushing and hinge bushing connection of a lower hinge assembly according to another embodiment of the present invention;
FIG. 8 is a schematic exploded view of the door body bushing and hinge bushing connection of the lower hinge assembly of the embodiment of FIG. 7;
FIG. 9 is a schematic exploded view of the door body bushing and hinge bushing connection of the lower hinge assembly of the embodiment of FIG. 7 at another angle;
FIG. 10 is a schematic side cross-sectional view of a lower hinge assembly in accordance with one embodiment of the present invention;
FIG. 11 is a schematic side cross-sectional view of a lower hinge assembly in accordance with another embodiment of the invention;
fig. 12 is a schematic structural view of a link of a lower hinge assembly according to another embodiment of the present invention.
Detailed Description
Fig. 1 is a schematic structural view of a refrigerator according to an embodiment of the present invention. The refrigerator of the embodiment comprises a refrigerator body and two door bodies, wherein one door body is hidden in the figure. The lower end of the door body is provided with a lower hinge assembly so that the door body can be opened and closed relative to the box body.
Fig. 2 is a schematic structural view of a lower hinge assembly and a door body lower molding coupling structure according to an embodiment of the present invention. Fig. 3 is a schematic exploded view of the connection structure of the lower hinge assembly and the lower molding of the door body of the embodiment shown in fig. 2. Fig. 4 is a schematic exploded view of a lower hinge assembly and a door body lower molding coupling structure according to another embodiment of the present invention. Fig. 5 is a schematic structural view of a lower hinge assembly according to an embodiment of the present invention. Fig. 6 is a schematic structural view of a lower hinge assembly according to another embodiment of the present invention, with a door body boss and a hinge boss hidden. Fig. 7 is a schematic view of a door body bushing and hinge bushing connection structure of a lower hinge assembly according to another embodiment of the present invention. Fig. 8 is a schematic exploded view of the door body boss and hinge boss connection structure of the lower hinge assembly of the embodiment shown in fig. 7. Fig. 9 is a schematic exploded view of the door body bushing and hinge bushing connection of the lower hinge assembly of the embodiment of fig. 7 at another angle. Fig. 10 is a schematic side cross-sectional view of a lower hinge assembly in accordance with one embodiment of the present invention. Fig. 11 is a schematic side cross-sectional view of a lower hinge assembly in accordance with another embodiment of the present invention. Fig. 12 is a schematic structural view of a link of a lower hinge assembly according to another embodiment of the present invention. A lower hinge assembly of a refrigerator according to an embodiment of the present invention will be described with reference to fig. 1 to 12.
In the description of the present embodiment, it is to be understood that the directions or positional relationships indicated by the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "horizontal", "top", "bottom", etc. are based on the directions of the refrigerator in a normal use state as a reference, and can be determined with reference to the directions or positional relationships shown in the drawings, for example, "front" indicating directions refers to a side of the refrigerator facing a user, and "lateral" refers to a direction parallel to a widthwise direction of the refrigerator. This is merely to facilitate describing the invention and to simplify the description and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
The lower hinge assembly 101 for a refrigerator of the present embodiment includes a hinge plate 100, a hinge shaft 200, a hinge bushing 300, and a door bushing 400. The hinge plate 100 is coupled to the refrigerator cabinet 20. The hinge shaft 200 is connected to the hinge plate 100. The hinge bushing 300 is sleeved on the hinge shaft 200 and connected to the hinge plate 100. The door bushing 400 is pivotally sleeved on the hinge shaft 200 and is located above the hinge bushing 300. Hinge sleeve 300 cooperates with door sleeve 400 to rotatably couple door 10 with respect to housing 20.
The hinge sleeve 300 is provided with a plurality of upper protrusions at intervals along the circumference of the hinge shaft 200. The door boss 400 is provided with a plurality of depressions at intervals along the circumference of the hinge shaft 200. Part of the upper convex part is matched with the corresponding lower concave part at intervals, so that noise in the rotating process is reduced.
The plurality of upper concave parts may include a first concave part 321a, a second concave part 322a, a third concave part 323a, and a fourth concave part 324a, which are sequentially disposed. The plurality of upper protrusions include a first upper protrusion 411, a second upper protrusion 412, and a third upper protrusion 413, which are sequentially disposed. The first lower concave portion 321a is disposed in spaced cooperation with the first upper convex portion 411 to reduce rotational noise. The second concave-down portion 322a is closely fitted with the second convex-up portion 412 to limit the door opening angle of the refrigerator.
The hinge sleeve 300 includes a hinge sleeve body plate 310 and a sleeve portion 320. The hinge sleeve body plate 310 is disposed above the hinge plate 100 and coupled to the hinge plate 100. The boss 320 is provided at one end of the body plate and is provided with a through hole 300a. The hinge shaft 200 protrudes from the through hole 300a such that the hinge shaft housing 300 is fitted over the hinge shaft 200. The hinge shaft also includes a detent 210. The upper end of the detent 210 abuts against the boss 320 to limit the movement range of the hinge boss 300 in the vertical direction. The hinge shaft 200 is screwed with the hinge plate 100 by screw threads at the bottom end of the hinge shaft 200. The hinge shaft 200 may be partially unscrewed from the screw hole of the hinge plate 100 such that the catch stage 210 is spaced apart from the hinge plate 100, thereby supporting the hinge shaft housing 300 to move upward.
The hinge sleeve body plate 310 is provided with a first fixing hole 310a. The first fixing hole 310a is spaced apart from the boss 320. The hinge plate 100 is provided with a second fixing hole 100a. The first fixing hole 310a is disposed corresponding to the second fixing hole 100a. The inner wall of the first fixing hole 310a has a clamping portion that can be clamped with the connector 700. The lower hinge assembly 101 further includes a connector 700. The connection member 700 is disposed through the first and second fixing holes 310a and 100a to connect the hinge bush 300 with the hinge plate 100.
Hinge sleeve 300 also includes a support table 330. The support table 330 is formed by downwardly extending the hinge bush body plate 310, and the support table 330 is abutted against the hinge plate 100 for supporting the hinge bush 300. The support table 330 is provided with a plurality of reinforcing ribs to strengthen the mechanical strength of the support table 330.
In some embodiments, the connector 700 may include a blind rivet 710 and a screw 720. The blind rivet 710 is fixedly coupled to the hinge plate 100. The end of the hollow wicker remote from the hinge plate 100 is provided with a threaded hole. Screw 720 is screwed into the threaded hole. One end of the screw 720, which is far from the second fixing hole 100a, is engaged with the first fixing hole 310a to limit the moving range of the hinge sleeve 300 in the vertical direction. The screw 720 may be partially screwed out of the blind rivet 710, and the hinge bush 300 may be spaced apart from the hinge plate 100 by the engagement of the detent table 210, thereby adjusting the height of the hinge plate 100.
In some embodiments, connector 700 may include a detent end 730 and a screw end 740. The detent end 730 is used to limit the range of movement of the hinge sleeve 300 in the vertical direction. The screw end 740 is screwed with the screw thread in the second fixing hole 100a for connecting the hinge bush 300 with the hinge plate 100. The top of the locking end 730 is provided with a turned-up edge to prevent the hinge shaft housing 300 from being separated from the hinge shaft 200. The connection member 700 may be partially rotated out of the hinge plate 100, and the hinge bush 300 may be spaced apart from the hinge plate 100 by the engagement of the detent table 210, thereby adjusting the height of the hinge plate 100.
The lower hinge assembly 101 of the present embodiment further includes a lock nut 500. The lock nut 500 is disposed under the hinge plate 100 and is rotatably coupled to the bottom end of the hinge shaft 200 such that the hinge bushing 300 is tightly coupled with the hinge plate 100.
The door body bushing 400 further includes a door body bushing body plate 410, a tubular portion 420, and a stopper portion 430. The tubular portion 420 is provided at one end of the door body bushing body plate 410 for receiving the upper end of the hinge shaft 200. The limiting portion 430 is disposed at the other end of the door body bushing main body plate 410 at a distance from the tubular portion 420. The inner diameter of the tubular part 420 is matched with the hinge shaft 200, the outer diameter of the tubular part 420 is matched with the lower molding 600 of the door body 10, and the length of the tubular part 420 is used for ensuring that the door body 10 does not shake after being mounted.
The inner wall of the tubular part 420 is inclined at an angle consistent with the outer wall of the hinge shaft 200 so that the door body bushing 400 can be closely fitted with the hinge shaft 200.
The lower hinge assembly 101 for a refrigerator of the present embodiment includes a hinge plate 100, a hinge shaft 200, a hinge bushing 300, and a door bushing 400. The hinge plate 100 is coupled to the refrigerator cabinet 20. The hinge shaft 200 is connected to the hinge plate 100. The hinge bushing 300 is sleeved on the hinge shaft 200 and connected to the hinge plate 100.
The door bushing 400 is pivotally mounted on the hinge shaft 200, and is not above the hinge bushing 300. Hinge sleeve 300 cooperates with door sleeve 400 to rotatably couple door 10 with respect to housing 20. The hinge sleeve 300 is provided with a plurality of upper protrusions at intervals along the circumference of the hinge shaft 200, and the door body sleeve 400 is provided with a plurality of lower recesses at intervals along the circumference of the hinge shaft 200, and part of the upper protrusions are engaged with the corresponding lower recesses at intervals to reduce noise during rotation.
Further, the hinge boss 300 of the lower hinge assembly 101 for a refrigerator of the present embodiment includes a body plate and a boss portion 320. The main body plate is provided with a first fixing hole 310a. The first fixing hole 310a is spaced apart from the boss 320. The hinge plate 100 is provided with a second fixing hole 100a. The first fixing hole 310a is disposed corresponding to the second fixing hole 100a. The lower hinge assembly 101 further includes a connector 700.
The connection member 700 is disposed through the first and second fixing holes 310a and 100a to connect the hinge bush 300 with the hinge plate 100. The hinge sleeve 300 further includes a support table 330. The supporting table 330 is formed by extending the main body plate downwards, and the supporting table 330 is abutted with the hinge plate 100 and is used for supporting the hinge shaft sleeve 300, so that the compactness of the structure of the lower hinge assembly 101 is further enhanced, and noise is avoided.
By now it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described herein in detail, many other variations or modifications of the invention consistent with the principles of the invention may be directly ascertained or inferred from the present disclosure without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims (10)

1. A lower hinge assembly for a refrigerator, comprising:
the hinge plate is connected with the refrigerator body;
the hinge shaft is connected with the hinge plate;
the hinge shaft sleeve is sleeved on the hinge shaft and is connected with the hinge plate;
the door body shaft sleeve is sleeved on the hinge shaft in a pivoting manner and is positioned above the hinge shaft sleeve, and the hinge shaft sleeve is matched with the door body shaft sleeve so that the door body is rotatably connected with the box body;
the hinge shaft sleeve is provided with a plurality of upper protruding parts along the circumferential direction of the hinge shaft at intervals, the door body shaft sleeve is provided with a plurality of lower concave parts along the circumferential direction of the hinge shaft at intervals, and part of the upper protruding parts are matched with the corresponding lower concave parts at intervals so as to reduce noise in the rotating process.
2. The lower hinge assembly for a refrigerator as claimed in claim 1, wherein,
the hinge sleeve further includes:
the hinge shaft sleeve main body plate is arranged above the hinge plate and is connected with the hinge plate;
the shaft sleeve part is arranged at one end of the main body plate and is provided with a through hole, and the hinge shaft extends out of the through hole, so that the hinge shaft sleeve is sleeved on the hinge shaft;
the hinge shaft further includes:
and the upper end of the clamping table is abutted with the shaft sleeve part so as to limit the moving range of the hinge shaft sleeve in the vertical direction.
3. The lower hinge assembly for a refrigerator as claimed in claim 2, wherein the hinge bushing main body plate is provided with a first fixing hole spaced apart from the bushing portion, the hinge plate is provided with a second fixing hole, the first fixing hole is disposed corresponding to the second fixing hole,
the lower hinge assembly further includes:
the connecting piece passes through the first fixing hole and the second fixing hole and is used for connecting the hinge shaft sleeve and the hinge plate.
4. The lower hinge assembly for a refrigerator of claim 3, wherein the connection member comprises:
the clamping end is used for limiting the moving range of the hinge shaft sleeve in the vertical direction;
the spiral end is screwed with the spiral threads in the second fixing hole and is used for connecting the hinge shaft sleeve and the hinge plate.
5. The lower hinge assembly for a refrigerator of claim 3, wherein the connection member comprises:
the hollow rivet is fixedly connected with the hinge plate, and one end of the hollow rivet, which is far away from the hinge plate, is provided with a threaded hole;
and one end, far away from the second fixing hole, of the screw is clamped with the first fixing hole so as to limit the moving range of the hinge shaft sleeve in the vertical direction.
6. The lower hinge assembly for a refrigerator of claim 3, wherein the hinge shaft sleeve further comprises:
and the supporting platform is formed by downwards extending the main body plate of the hinge shaft sleeve, is abutted with the hinge plate and is used for supporting the hinge shaft sleeve.
7. The lower hinge assembly for a refrigerator of claim 1, wherein the door body bushing further comprises:
a door body shaft sleeve main body plate;
the tubular part is arranged at one end of the door body shaft sleeve main body plate and is used for accommodating the upper end of the hinge shaft;
and the limiting part is arranged at the other end of the door body shaft sleeve main body plate and is arranged at intervals with the tubular part.
8. The lower hinge assembly for a refrigerator of claim 7, wherein,
the inner wall inclination of tubular part is unanimous with the outer wall inclination of hinge pin, so that the door body axle sleeve can with the inseparable laminating setting of hinge pin.
9. The lower hinge assembly for a refrigerator as claimed in claim 1, wherein,
the plurality of concave parts comprise a first concave part and a second concave part which are sequentially arranged;
the plurality of upper convex parts comprise a first upper convex part and a second upper convex part which are sequentially arranged;
the first lower concave part and the first upper convex part are matched at intervals to reduce rotation noise;
the second concave-down part is closely matched with the second convex-up part to limit the opening angle of the refrigerator.
10. A refrigerator comprising the lower hinge assembly of any one of claims 1 to 9.
CN202211194055.1A 2022-09-28 2022-09-28 Lower hinge assembly for refrigerator and refrigerator Pending CN117822996A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202211194055.1A CN117822996A (en) 2022-09-28 2022-09-28 Lower hinge assembly for refrigerator and refrigerator
PCT/CN2023/121632 WO2024067609A1 (en) 2022-09-28 2023-09-26 Lower hinge assembly for refrigerator, and refrigerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211194055.1A CN117822996A (en) 2022-09-28 2022-09-28 Lower hinge assembly for refrigerator and refrigerator

Publications (1)

Publication Number Publication Date
CN117822996A true CN117822996A (en) 2024-04-05

Family

ID=90476390

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211194055.1A Pending CN117822996A (en) 2022-09-28 2022-09-28 Lower hinge assembly for refrigerator and refrigerator

Country Status (2)

Country Link
CN (1) CN117822996A (en)
WO (1) WO2024067609A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200151234Y1 (en) * 1997-03-20 1999-07-15 윤종용 Door hinge in ref.
US9222293B2 (en) * 2013-03-14 2015-12-29 Electrolux Home Products, Inc. Hinge assembly for mounting door on cabinet below opening thereof
CN107654141A (en) * 2017-09-20 2018-02-02 青岛海尔股份有限公司 Refrigerator and its hinge
CN218881913U (en) * 2022-09-28 2023-04-18 青岛海尔电冰箱有限公司 Lower hinge assembly for refrigerator and refrigerator

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