CN112097459A

CN112097459A - Refrigerator hinge assembly and refrigerator based on same

Info

Publication number: CN112097459A
Application number: CN202011148628.8A
Authority: CN
Inventors: 李乾坤; 鲍敏
Original assignee: Changhong Meiling Co Ltd
Current assignee: Changhong Meiling Co Ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2020-12-18

Abstract

The invention discloses a refrigerator hinge assembly and a refrigerator based on the same, and relates to the technical field of refrigerator hinges. The door closer comprises a first door closer and a second door closer which are coaxially arranged; the first door closer is fixed with a refrigerator door body; the second door closer is fixed with a lower hinge of the refrigerator body; a retainer is coaxially arranged between the first door closer and the second door closer; a rolling body is movably arranged in the retainer; the first door closer comprises a first supporting platform; a first sleeve is arranged at the top of the first supporting platform; the bottom of the first supporting platform is a platform surface; the platform surface is distributed with first matching parts along the circumference of the first sleeve; a positioning column is detachably arranged in the lower hinge. According to the invention, the retainer is coaxially arranged between the first door closer and the second door closer, and the rolling bodies are movably arranged in the retainer, so that the problems that the existing refrigerator door body has larger resistance in opening and closing the door and is limited only at the maximum angle are solved.

Description

Refrigerator hinge assembly and refrigerator based on same

Technical Field

The invention belongs to the technical field of refrigerator hinges, and particularly relates to a refrigerator hinge assembly and a refrigerator based on the same.

Background

The existing refrigerator door body is opened and closed through a structural form of a hinge. For the refrigerator adopting gravity self-locking, the general hinge assembly comprises a hinge, a limiting structure and a door closer structure, wherein the door closer is of a pair of cam structures, one cam structure is fixed on the door body, the other cam structure is fixed on the box body, and the door body is closed at a large angle by utilizing the self weight of the door body. However, most of the existing door closer structures carry out door opening limiting at the maximum door opening angle, and when a refrigerator is embedded into a cabinet, a door body risks impacting the cabinet; and the door closer is mostly face-to-face contact in the door body motion process, and the resistance is great, and required power of opening and shutting is great, takes place the problem that the low-angle is not tight of closing the door when closing the door, seriously influences user and experiences.

Disclosure of Invention

The invention aims to provide a refrigerator hinge assembly and a refrigerator based on the same.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a refrigerator hinge assembly which comprises a first door closer and a second door closer which are coaxially arranged; the first door closer is fixed with a refrigerator door body; the second door closer is fixed with a lower hinge of the refrigerator body; a retainer is coaxially arranged between the first door closer and the second door closer; the rolling bodies are movably arranged in the retainer.

Further, the first door closer includes a first support platform; a first sleeve is arranged at the top of the first supporting platform; the bottom of the first supporting platform is a platform surface; the platform surface is distributed with first cooperation portion along first sleeve pipe circumference.

Further, the first matching part is of a roughly fan-shaped annular groove structure; the first matching part comprises first side walls at two sides and a first inner bottom surface at the bottom; the first side wall and the first inner bottom surface of the bottom are in smooth transition.

Furthermore, a mounting hole is formed in the top of the first supporting platform; the bottom of the first supporting platform is provided with a strip-shaped bulge along the edge.

Furthermore, a positioning column is detachably arranged in the lower hinge; the positioning column sequentially penetrates through the second door closer, the retainer and the first sleeve of the first door closer from bottom to top; the retainer and the second door closer do not move relatively; the second door closer is static relative to the refrigerator body; the first door closer is opened and closed along with the refrigerator door body.

Further, the second door closer includes a second support platform; one side of the second supporting platform is fixedly connected with an annular plate; and a second sleeve is arranged at the bottom of the second supporting platform.

Further, the upper surface of the annular plate is circumferentially arrayed with second matching parts; the second matching part is of a roughly fan-shaped annular groove structure; the second matching part comprises second side walls on two sides and a second inner bottom surface of the bottom; and the second side wall and the second inner bottom surface are in smooth transition.

Further, the retainer is of an annular structure; fan-ring-shaped mounting grooves are circumferentially arrayed on the surface of the retainer; the mounting groove is rotatably connected with a rolling body; the central angle corresponding to the mounting groove is the same as that of the first matching part and that of the second matching part; the rolling bodies are respectively matched with the first matching part and the second matching part; the rolling body does rolling and sliding motion in the mounting groove and rolls in the second matching part; the cage guides the rolling elements to rotate.

Further, the rolling body has a substantially fan-shaped ring structure; the rolling bodies comprise upper and lower rolling body bottom surfaces and rolling body side surfaces on two sides; the bottom surface of the rolling body and the side surface of the rolling body are in smooth transition; the surface of the bottom surface of the rolling body is of an arc-shaped structure.

A refrigerator based on a refrigerator hinge assembly comprises the refrigerator hinge assembly; the refrigerator hinge assembly is arranged between the refrigerator door body and the refrigerator body.

The invention has the following beneficial effects:

1. according to the refrigerator door body limiting device, the rolling body rolls and slides in the mounting groove, and rolls in the second matching part, so that the resistance of the refrigerator door body during opening and closing is changed from sliding friction to rolling friction, the friction force is reduced, the required door opening and closing force is reduced, the door body can be stably limited at any required angle, the structure is simple and reliable, the cost is low, and the existing mounting process is not changed.

2. According to the invention, the retainer is coaxially arranged between the first door closer and the second door closer, and the rolling bodies are movably arranged in the retainer, so that the problems that the existing refrigerator door body has larger resistance in opening and closing the door and is limited only at the maximum angle are solved.

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 the installation of a refrigerator hinge assembly of the present invention;

FIG. 2 is an exploded view of a refrigerator hinge assembly of the present invention;

FIG. 3 is a schematic structural diagram of a refrigerator hinge assembly in the process of opening a refrigerator door body according to the present invention;

FIG. 4 is a schematic diagram of a refrigerator hinge assembly in a door limiting state according to the present invention;

fig. 5 is a schematic structural view of a second door closer;

fig. 6 is a schematic structural view of a first door closer;

in the drawings, the components represented by the respective reference numerals are listed below:

1-a first door closer, 2-a lower hinge, 3-a second door closer, 4-a retainer, 5-a rolling body, 11-a first matching part, 11 a-a first side wall, 11 b-a first inner bottom surface, 12-a platform surface, 31-a second matching part, 31 a-a second side wall, 31 b-a second inner bottom surface, 41-a mounting groove, 51 a-a rolling body side surface, 51 b-a rolling body bottom surface, 101-a first supporting platform, 102-a mounting hole, 103-a first bushing, 104-a strip-shaped bulge, 201-a positioning column, 301-a second supporting platform, 302-an annular plate and 303-a second bushing.

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.

Referring to fig. 1-6, the present invention is a refrigerator hinge assembly, including a first door closer 1 and a second door closer 3 coaxially disposed; the first door closer 1 is fixed with a refrigerator door body; the second door closer 3 is fixed with the lower hinge 2 of the refrigerator body, so that the refrigerator door body rotates relative to the second door closer 3 under the action of the first door closer 1, and the opening and closing of the refrigerator door body are realized; a retainer 4 is coaxially arranged between the first door closer 1 and the second door closer 3; rolling bodies 5 are movably arranged in the retainer 4.

Preferably, as shown in fig. 1 and 6, the first door closer 1 comprises a first support platform 101; a first sleeve 103 is arranged at the top of the first supporting platform 101; the bottom of the first supporting platform 101 is a platform surface 12, the rolling body 5 slides on the platform surface 12, the rolling body 5 rolls in the second matching part 31, and when the rolling body 5 moves into the first matching part 11, the refrigerator door body can realize a certain limiting function; the platform surface 12 is distributed with first matching parts 11 along the circumference of the first sleeve 103, and the inside of the first matching parts 11 is matched with the rolling bodies 5.

Preferably, as shown in fig. 6, the first fitting portion 11 has a substantially fan-shaped annular groove structure, and the number of the first fitting portions 11 is equal to the number of the rolling bodies 5; the first matching part 11 comprises first side walls 11a at two sides and a first inner bottom surface 11b at the bottom; the first side wall 11a and the first inner bottom surface 11b of the bottom are smoothly transited.

Preferably, as shown in fig. 6, a mounting hole 102 is formed in the top of the first supporting platform 101, so that the first supporting platform can be conveniently mounted on a refrigerator door body; the bottom of the first supporting platform 101 is formed with a strip-shaped protrusion 104 along its edge.

Preferably, as shown in fig. 1 to 4, a positioning column 201 is detachably mounted in the lower hinge 2; the positioning column 201 sequentially penetrates through the second door closer 3, the retainer 4 and the first sleeve 103 of the first door closer 1 from bottom to top, so that the first door closer 1 can keep coaxial when moving; the retainer 4 and the second door closer 3 do not move relatively; the second door closer 3 is static relative to the refrigerator body; the first door closer 1 is opened and closed along with the refrigerator door body.

Preferably, as shown in fig. 2, the second door closer 3 comprises a second support platform 301; one side of the second supporting platform 301 is fixedly connected with an annular plate 302; the bottom of the second support platform 301 is provided with a second sleeve 303.

Preferably, as shown in fig. 5, the annular plate 302 has second fitting portions 31 circumferentially arrayed on the upper surface thereof, and the second fitting portions 31 are fitted with the rolling elements 5; the second matching parts 31 are of a roughly fan-shaped annular groove structure, and the number of the second matching parts 31 is consistent with that of the rolling bodies 5; the second fitting portion 31 includes second sidewalls 31a on both sides and a second inner bottom surface 31b at the bottom; the second side wall 31a and the second inner bottom surface 31b are smoothly transited.

Preferably, as shown in fig. 3, the retainer 4 is of an annular configuration; fan-ring-shaped mounting grooves 41 are arrayed on the circumference of the surface of the retainer 4; the mounting groove 41 is rotatably connected with a rolling body 5; the central angle corresponding to the mounting groove 41 is the same as the first matching part 11 and the second matching part 31; the rolling elements 5 are fitted with the central angle of the first fitting portion 11 and the central angle of the second fitting portion 31, respectively; the rolling body 5 does rolling and sliding motion in the mounting groove 41, and the rolling body 5 does rolling motion in the second matching part 31, so that the resistance of the refrigerator door body during opening and closing is changed from sliding friction to rolling friction, the friction force is reduced, the required door opening and closing force is reduced, the door body can be stably limited at any required angle, the structure is simple and reliable, the cost is low, and the existing mounting process is not changed; the cage 4 guides the rolling elements 5 into a rotational movement.

Preferably, as shown in fig. 2, the rolling elements 5 have a substantially fan-shaped ring structure; the rolling element 5 includes upper and lower rolling element bottom surfaces 51b and rolling element side surfaces 51a on both sides; the rolling body bottom surface 51b and the rolling body side surface 51a are in smooth transition, so that the motion process is smoother; the surface of the rolling body bottom surface 51b is of an arc structure, so that the resistance in the motion process is reduced.

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 understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A refrigerator hinge assembly comprises a first door closer (1) and a second door closer (3) which are coaxially arranged; the first door closer (1) is fixed with a refrigerator door body; the second door closer (3) is fixed with a lower hinge (2) of the refrigerator body; the method is characterized in that:

a retainer (4) is coaxially arranged between the first door closer (1) and the second door closer (3); the rolling bodies (5) are movably arranged in the retainer (4).

2. A refrigerator hinge assembly as claimed in claim 1, wherein the first door closer (1) comprises a first support platform (101); a first sleeve (103) is arranged at the top of the first supporting platform (101);

the bottom of the first supporting platform (101) is a platform surface (12); the platform surface (12) is distributed with first matching parts (11) along the circumference of the first sleeve (103).

3. A refrigerator hinge assembly as claimed in claim 2, wherein the first cooperating portion (11) is of a generally fan-ring recess configuration; the first matching part (11) comprises first side walls (11a) at two sides and a first inner bottom surface (11b) at the bottom;

the first side wall (11a) and the first inner bottom surface (11b) of the bottom are in smooth transition.

4. A refrigerator hinge assembly as claimed in claim 2 or 3, wherein the first support platform (101) has a mounting hole (102) formed at the top; the bottom of the first supporting platform (101) is provided with a strip-shaped bulge (104) along the edge.

5. A refrigerator hinge assembly as claimed in claim 2 or 3, wherein a positioning post (201) is removably mounted in the lower hinge (2); the positioning column (201) sequentially penetrates through the second door closer (3), the retainer (4) and the first sleeve (103) of the first door closer (1) from bottom to top;

the retainer (4) and the second door closer (3) do not move relatively; the second door closer (3) is static relative to the refrigerator body; the first door closer (1) is opened and closed along with a refrigerator door body.

6. A refrigerator hinge assembly as claimed in claim 5, characterised in that the second door closer (3) comprises a second support platform (301); one side of the second supporting platform (301) is fixedly connected with an annular plate (302); and a second sleeve (303) is arranged at the bottom of the second supporting platform (301).

7. A refrigerator hinge assembly as claimed in claim 6, characterised in that the annular plate (302) has a second mating portion (31) circumferentially arrayed on its upper surface; the second mating portion (31) is of a generally scalloped groove configuration;

the second matching part (31) comprises second side walls (31a) at two sides and a second inner bottom surface (31b) at the bottom; the second side wall (31a) and the second inner bottom surface (31b) are in smooth transition.

8. A refrigerator hinge assembly as claimed in claim 6 or 7, characterised in that the holder (4) is of an annular configuration; fan-ring-shaped mounting grooves (41) are arrayed on the surface circumference of the retainer (4); the mounting groove (41) is rotationally connected with a rolling body (5); the rolling bodies (5) do rolling and sliding motion in the mounting grooves (41).

9. A refrigerator hinge assembly as claimed in claim 8, characterized in that said rolling bodies (5) are of a substantially sector-ring structure; the rolling element (5) comprises upper and lower rolling element bottom surfaces (51b) and rolling element side surfaces (51a) on both sides; the rolling body bottom surface (51b) and the rolling body side surface (51a) are in smooth transition; the surface of the rolling body bottom surface (51b) is of an arc structure.

10. A refrigerator based on a refrigerator hinge assembly, characterized in that it comprises a refrigerator hinge assembly according to any one of claims 1-9; the refrigerator hinge assembly is arranged between the refrigerator door body and the refrigerator body.