CN108266953B

CN108266953B - Refrigerator with a door

Info

Publication number: CN108266953B
Application number: CN201711320778.0A
Authority: CN
Inventors: 窦金强
Original assignee: Qingdao Haier Co Ltd
Current assignee: Haier Smart Home Co Ltd
Priority date: 2017-12-12
Filing date: 2017-12-12
Publication date: 2020-07-28
Anticipated expiration: 2037-12-12
Also published as: CN108266953A

Abstract

The invention discloses a refrigerator, which comprises a refrigerator body, a door body and an embedded hinge device, wherein the embedded hinge device comprises an installation part, a fixing part and a middle assembly, wherein the middle assembly is provided with a first arc-shaped groove and a second arc-shaped groove, the mounting part is provided with a first connecting piece matched and connected with the first arc-shaped groove, the fixing part is provided with a second connecting piece matched and connected with the second arc-shaped groove, the outer side surface of the side wall of the box body defines a first plane, when the door body is in a closed state, the door body is provided with a door body side wall close to the rotating side and a door body front wall far away from the box body, the outer side surface of the door body front wall defines a second plane, when the door body is in a closed state, the arc center connecting line between the arc centers of the first arc-shaped groove and the second arc-shaped groove is positioned on the first plane or the second plane, or the arc center connecting line and the box body are positioned on the same side of the first plane, and the arc center connecting line and the door body are positioned on two sides of the second plane. The refrigerator can not exceed the side wall of the refrigerator body when the door body is opened.

Description

Refrigerator with a door

Technical Field

The invention relates to the field of household appliances, in particular to a refrigerator.

Background

Generally, a single-shaft hinge is used in a refrigerator, and a door body rotates around a fixed shaft of the hinge to perform a circular motion, thereby opening or closing the door body. Because the door body is fixed around the rotating fixed shaft, when the refrigerator is opened, the corner formed by the side wall and the front wall of the door body close to the hinge is partially moved out of the plane defined by the side wall of the refrigerator body, and the hinge structure can greatly limit the opening angle of the refrigerator door body and is inconvenient to use under the condition that the gap between the embedded refrigerator or the refrigerator shell and the wall body is small.

Disclosure of Invention

The invention aims to provide a refrigerator which cannot exceed the side wall of a refrigerator body when a door body is opened.

In order to achieve the above object, an embodiment of the present invention provides a refrigerator, which includes a refrigerator body, a door for opening or closing the refrigerator body, and an embedded hinge device disposed between the refrigerator body and the door, wherein the embedded hinge device includes a mounting member fixed to the refrigerator body, a fixing member fixed to the door, and an intermediate member disposed between the mounting member and the fixing member,

one of the mounting part and the middle assembly is provided with a first arc-shaped groove, the other of the mounting part and the middle assembly is provided with a first matching part matched and connected with the first arc-shaped groove, the middle assembly rotates relative to the mounting part by taking the arc center of the first arc-shaped groove as a first rotating axis, one of the fixing part and the middle assembly is provided with a second arc-shaped groove, the other of the fixing part and the middle assembly is provided with a second matching part matched and connected with the second arc-shaped groove, and the fixing part rotates relative to the middle assembly by taking the arc center of the second arc-shaped groove as a second rotating axis,

one side of the left side and the right side of the refrigerator, on which the embedded hinge devices are arranged, is a rotating side, the refrigerator body is provided with a refrigerator body side wall adjacent to the rotating side, the outer side surface of the refrigerator body side wall defines a first plane, when the door body is in a closed state, the door body is provided with a door body side wall close to the rotating side, the door body front wall far away from the refrigerator body in the closed state, the outer side surface of the door body front wall defines a second plane, when the door body is in the closed state, a connecting line between an arc center of the first arc-shaped groove and an arc center of the second arc-shaped groove is defined as an arc center connecting line, the arc center connecting line is positioned on the first plane or the second plane, or the arc center connecting line and the refrigerator body are positioned on the same side of the first plane and the arc center connecting line and the door body are positioned on two sides of the, the installed part includes the second portion of acceping, the intermediate assembly by the part accept in first portion of acceping and second portion of acceping, first portion of acceping has outer arc limit, the second portion of acceping has interior arc limit, and during closed state, outer arc limit with interior arc limit borders on mutually, and during open state, outer arc limit is kept away from interior arc limit.

As a further improvement of the embodiment of the present invention, the intermediate assembly includes an intermediate plate, one of the first arcuate slot and the first coupler is disposed on the intermediate plate, and one of the second arcuate slot and the second coupler is also disposed on the intermediate plate.

As a further improvement of the embodiment of the present invention, the intermediate plate has a fan shape.

As a further improvement of the embodiment of the present invention, the first coupling member includes a first pin and a second pin spaced apart from the first pin, and both the first pin and the second pin are coupled to the first arc-shaped groove.

As a further improvement of the embodiment of the present invention, the first arc-shaped groove is disposed in the intermediate assembly, the fixing member includes a fixing portion, the first receiving portion forms a first receiving groove, the intermediate assembly is partially received in the first receiving groove, and the second coupling member is disposed in the first receiving portion and at least partially located in the first receiving groove.

As a further improvement of the embodiment of the present invention, the second coupling member includes a first guide pin and a second guide pin spaced apart from the first guide pin, and both the first guide pin and the second guide pin are coupled with the second arc-shaped groove.

As a further improvement of the embodiment of the present invention, the second arc-shaped groove is disposed on the intermediate assembly, the mounting member includes a mounting portion, the second receiving portion forms a second receiving groove, the intermediate assembly is partially received in the second receiving groove, and the first coupling member is disposed on the second receiving portion and at least partially located in the second receiving groove.

As a further improvement of the embodiment of the present invention, the recessed hinge device has a closed state and an open state to close and open the door respectively, the intermediate member is completely received in the first receiving groove and the second receiving groove in the closed state, and when moving from the closed state to the open state, a part of the intermediate member is moved out of the first receiving groove and a part of the intermediate member is moved out of the second receiving groove.

As a further improvement of the embodiment of the present invention, the fixing member includes an upper fixing plate and a lower fixing plate, the upper fixing plate includes a connecting portion fixedly connected to the lower fixing plate and a spacing portion spaced from the lower fixing plate by a predetermined distance, the connecting portion and a portion of the lower fixing plate constitute a fixing portion, and the spacing portion and a portion of the lower fixing plate constitute a first receiving portion.

As a further improvement of the embodiment of the present invention, the mounting member includes an upper mounting plate and a lower mounting plate, the upper mounting plate has an attachment portion fixedly connected to the lower mounting plate and a separation portion spaced from the lower mounting plate by a predetermined distance, the attachment portion and a portion of the lower mounting plate form an attachment portion, and the separation portion and a portion of the lower mounting plate form a second receiving portion.

Compared with the prior art, the invention has the beneficial effects that: according to the technical scheme provided by the invention, the connection between the fixing piece and the mounting piece is realized through the middle assembly, the fixing piece can move relative to the mounting piece through the two arc-shaped grooves and the two matching pieces, and when the door body is in a closed state, an arc center connecting line defined by a connecting line between an arc center of the first arc-shaped groove and an arc center of the second arc-shaped groove is positioned on the first plane or the second plane, or the arc center connecting line and the box body are positioned on the same side of the first plane, and the arc center connecting line and the door body are positioned on two sides of the second plane. Therefore, the virtual rotating axis of the fixing piece is constantly changed, and the refrigerator cannot exceed the side wall of the refrigerator body when the door body is opened.

Drawings

Fig. 1 is a schematic perspective view of a refrigerator according to a first embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at I;

FIG. 3 is a perspective view of the upper embedded hinge assembly of FIG. 1, with the upper embedded hinge assembly in a closed position;

FIG. 4 is a top view of the upper embedded hinge assembly of FIG. 3, with the upper embedded hinge assembly in a closed position;

FIG. 5 is another perspective view of the upper pop-in hinge assembly of FIG. 1, with the upper pop-in hinge assembly in an open position;

FIG. 6 is a top view of the upper snap hinge assembly of FIG. 5, with the upper snap hinge assembly in an open position;

FIG. 7 is an exploded perspective view of the upper embedded hinge assembly of FIG. 1;

FIG. 8 is a top view of the lower snap hinge assembly of FIG. 1, with the lower snap hinge assembly in an open position;

FIG. 9 is a perspective view of the lower snap hinge assembly of FIG. 1, with the lower snap hinge assembly in an open position;

FIG. 10 is another perspective view of the lower pop-in hinge assembly of FIG. 1, with the lower pop-in hinge assembly in an open position;

FIG. 11 is an exploded perspective view of the lower embedded hinge assembly of FIG. 1;

fig. 12 is a plan view of the refrigerator at the upper embedded hinge device according to the second embodiment of the present invention;

fig. 13 is a plan view of the refrigerator at the upper embedded hinge device according to the third embodiment of the present invention;

fig. 14 is a plan view of a refrigerator according to a fourth embodiment of the present invention at an upper built-in hinge device;

fig. 15 is a plan view of a refrigerator at an upper built-in hinge device according to a fifth embodiment of the present invention;

fig. 16 is a perspective view of the upper hinge unit and the guide of the refrigerator of fig. 15, when the door is in a closed state;

fig. 17 is a schematic perspective view of the upper embedded hinge device and the guide member of the refrigerator in fig. 15, at this time, the door body and the upper embedded hinge device move linearly together relative to the refrigerator body until the limit pin shaft is disengaged from the fixing member, and the stopping portion abuts against the guide member;

fig. 18 is a schematic perspective view of the upper hinge assembly and the guide of the refrigerator of fig. 15, wherein the upper hinge assembly is in an open state and the door is in a fully open state;

fig. 19 is a top view of the upper snap hinge assembly and guide in fig. 18, with the upper snap hinge assembly in an open position and the door in a fully open position.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.

In the description of the embodiments of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "bottom", "inner" and "outer" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are generally referred to in a normal use state of the embedded hinge device, and do not indicate that the indicated positions or elements must have specific orientations.

Moreover, it will be understood that, although the terms first, second, etc. may be used herein to describe various elements or structures, these described elements should not be limited by the above terms. The above terms are only used to distinguish these descriptive objects from each other. For example, a first arcuate slot may be referred to as a second arcuate slot, and likewise, a second arcuate slot may also be referred to as a first arcuate slot, without departing from the scope of protection of this application.

The preferred embodiment of the invention discloses a refrigerator, as shown in fig. 1 to 11, according to a first preferred embodiment of the invention, the refrigerator comprises a refrigerator body 10 and a door body 11 for opening or closing the refrigerator body 10, the refrigerator body 10 defines storage compartments, wherein the number and the structural form of the storage compartments can be configured according to different requirements. The storage compartment typically includes a refrigerator compartment and a freezer compartment.

The refrigerator also comprises an embedded hinge device arranged between the refrigerator body 10 and the door body 11, the embedded hinge device comprises an upper embedded hinge device 12 and a lower embedded hinge device 14, the upper embedded hinge device 12 is arranged above the door body 11 and the refrigerator body 10, and the lower embedded hinge device 14 is arranged below the door body 11 and the refrigerator body 10. The upper and lower sides herein are referred to when the refrigerator is in a use state. The connection structures between the upper embedded hinge device 12 and the lower embedded hinge device 14 and the door 11 and the box 10 are symmetrically arranged, and the other difference between the upper embedded hinge device 12 and the lower embedded hinge device 14 is that the lower embedded hinge device 14 is provided with an auxiliary bearing structure 16 supported on the ground. The above-described embedded hinge device 12 is described in detail below as an example.

In the preferred embodiment, the embedded hinge device is used in a refrigerator. Of course, the built-in hinge device may be used for other apparatuses as long as the apparatus is provided with a body and a door body openable or closable with respect to the body. The embedded hinge device is arranged between the body and the door body of the equipment so as to connect the door body to the body and realize that the door body can be opened at a certain angle or closed relative to the body.

The upper embedded hinge device 12 includes a mounting member 18, a fixing member 20, and an intermediate assembly 24 disposed between the mounting member 18 and the fixing member 20, wherein the mounting member 18 is fixedly disposed on the cabinet 10, and the fixing member 20 is fixedly disposed on the door 11. The middle component 24 is movably arranged relative to the mounting component 18, the fixing component 20 is movably arranged relative to the middle component 24, the middle component 24 and the fixing component 20 move on the same plane, and the moving directions of the middle component 24 and the fixing component 20 are the same. The upper embedded hinge device has a closed state and an open state, and when the upper embedded hinge device is in the closed state, the door body 11 of the refrigerator is closed; when the upper hinge device is in an open state, the door 11 of the refrigerator is opened.

One of the mounting member 18 and the intermediate member 24 is provided with a first arc-shaped slot 26, the other of the mounting member 18 and the intermediate member 24 is provided with a first coupling member 28 coupled to the first arc-shaped slot 26, and the intermediate member 24 rotates relative to the mounting member 18 about an arc center of the first arc-shaped slot 26 as a first rotation axis 34.

One of the fixed member 20 and the middle component 24 is provided with a second arc-shaped groove 30, the other one of the fixed member 20 and the middle component 24 is provided with a second matching member 32 matched and connected with the second arc-shaped groove 30, the fixed member 20 rotates relative to the middle component 24 by taking the arc center of the second arc-shaped groove 30 as a second rotating axis 36, and the arc center of the first arc-shaped groove 26 and the arc center of the second arc-shaped groove 30 are positioned on the same side of the first arc-shaped groove 26 and the second arc-shaped groove 30.

In the preferred embodiment, the connection between the fixing member 20 and the mounting member 18 is realized by the intermediate member 24, and the fixing member 20 is movable relative to the mounting member 18 by the two arc-shaped slots and the two coupling members, so that the embedded hinge device is compact and reliable. In addition, the above structure makes the virtual rotation axis of the fixing member 20 change constantly, so that the application range of the embedded hinge device is wider. Specifically, when the door 11 is opened, the door 11 does not extend beyond the side wall of the refrigerator body 10, so that even if the refrigerator is placed in a small space, the opening of the door 11 is not affected.

Specifically in this embodiment, the first arcuate slot 26 and the second arcuate slot 30 are both disposed on the intermediate assembly 24. A first coupler 28 is disposed on the mounting member 18 and a second coupler 32 is disposed on the mounting member 20. Of course, it is also possible to have the first arcuate slot 26 disposed on the intermediate assembly 24, the first coupler 28 disposed on the mounting member 18, the second arcuate slot 30 disposed on the mounting member 20, and the second coupler 32 disposed on the intermediate assembly 24. Alternatively, the first arcuate slot 26 is disposed on the mounting member 18, the first coupler 28 is disposed on the intermediate member 24, the second arcuate slot 30 is disposed on the stationary member 20, and the second coupler 32 is disposed on the intermediate member 24. Alternatively, the first arcuate slot 26 is disposed on the mounting member 18, the first coupler 28 is disposed on the intermediate member 24, the second arcuate slot 30 is disposed on the intermediate member 24, and the second coupler 32 is disposed on the mounting member 20.

When the upper embedded hinge device 12 is closed, the first rotation axis 34 and the second rotation axis 36 are parallel or coincident with each other, the fixing member 20 has a fixing member mounting surface 38, the mounting member 18 has a mounting member mounting surface 40, and both the fixing member mounting surface 38 and the mounting member mounting surface 40 are perpendicular to the first rotation axis 34. The installation part installation surface 40 is attached and fixed with the box body 10, the fixing part installation surface 38 is attached and fixed with the door body 11, the fixing part installation surface 38 and the installation part installation surface 40 are arranged to be perpendicular to the first rotation axis 34, in addition, the first rotation axis 34 and the second rotation axis 36 are arranged to be parallel or coincident with each other, therefore, the fixing part installation surface 38 and the installation part installation surface 40 are also perpendicular to the second rotation axis 36, the installation is convenient, the installation part installation surface 40 can be directly attached and fixed with the upper end surface of the box body 10, the fixing part installation surface 38 can be directly attached and fixed with the upper end surface of the door body 11, the installation is convenient, the occupied space is small, and the structure is more reliable and stable.

In addition, the fixing member 20 includes a fixing portion 42 and a first receiving portion 46 defining a first receiving slot 44, the intermediate assembly 24 is partially received in the first receiving slot 44, and the second engaging member 32 is disposed in the first receiving portion 46 and at least partially located in the first receiving slot 44. The mounting member 18 includes a mounting portion 48 and a second receiving portion 52 defining a second receiving slot 50, the intermediate assembly 24 being partially received in the second receiving slot 50, and the first coupling member 28 being disposed in the second receiving portion 52 and at least partially disposed in the second receiving slot 50.

Specifically, in the closed state, the intermediate member 24 is completely accommodated in the first accommodating groove 44 and the second accommodating groove 50, and when the intermediate member moves from the closed state to the open state, a part of the intermediate member 24 moves out of the first accommodating groove 44 and a part of the intermediate member 24 moves out of the second accommodating groove 50. When in the closed state, the intermediate assembly 24 is completely received in the first receiving groove 44 and the second receiving groove 50, thereby making the structure more compact and beautiful.

The first receiving portion 46 has an outer arcuate edge and the second receiving portion 52 has an inner arcuate edge, the outer arcuate edge abutting the inner arcuate edge in the closed position and the outer arcuate edge being spaced from the inner arcuate edge in the open position.

In detail, the fixing member 20 includes an upper fixing plate 58 and a lower fixing plate 60, the upper fixing plate 58 has a connecting portion 62 fixedly connected to the lower fixing plate 60 and a spacing portion 64 spaced from the lower fixing plate 60 by a predetermined distance, the connecting portion 62 and a portion of the lower fixing plate 60 form the fixing portion 42, the spacing portion 64 and a portion of the lower fixing plate 60 form the first receiving portion 46, and the first receiving portion 44 is an arc-shaped groove having openings at both ends. In the preferred embodiment, upper retaining plate 58 and lower retaining plate 60 are welded together. Of course, the upper fixing plate 58 and the lower fixing plate 60 may be fixed by a fixing method such as screw connection or caulking. Specifically, the connecting portion 62 is welded to a portion of the lower fixing plate 60. In the preferred embodiment, the lower fixing plate 60 of the fixing member 20 is fixedly connected to the door 11 of the refrigerator. Specifically, two fasteners are disposed on the lower fixing plate 60, and the lower fixing plate is fixedly connected to the door 11 through the fasteners to fixedly connect the fixing member 20 to the door 11.

The mounting member 18 includes an upper mounting plate 66 and a lower mounting plate 68, the upper mounting plate 66 has an attachment portion 70 fixedly connected to the lower mounting plate 68 and a partition portion 72 spaced apart from the lower mounting plate 68, the attachment portion 70 and a portion of the lower mounting plate 68 form the mounting portion 48, and the partition portion 72 and a portion of the lower mounting plate 68 form the second receiving portion 52. The upper mounting plate 66 and the lower mounting plate 68 are welded together in the same arrangement as the mount 20. Of course, the upper mounting plate 66 and the lower mounting plate 68 may be fixed by a screw or a rivet. Specifically, the mating portion 70 is welded to a portion of the lower mounting plate 68. Specifically, the mounting portion 48 of the mounting member 18 is provided with a mounting hole 74, and a fastener (not shown) is inserted into the mounting hole 74 to be fixedly connected to the housing 10. The number of the mounting holes 74 may be one, or two or more.

Further, the mounting member 20 has a mounting member first side 76, a mounting member second side 78 angled with respect to the mounting member first side 76, and a mounting member arcuate side 79 connecting the mounting member first side 76 and the mounting member second side 78, the mounting member 18 has a mounting member first side 80, a mounting member second side 82 opposite the mounting member first side 80, a mounting member arcuate side 84 connected to the mounting member first side 80, and a mounting member connecting side 86 connected to the mounting member second side 82, and the mounting member arcuate side 84 is connected to the mounting member connecting side 86. When the upper embedded hinge device 12 is in the closed state, the first side 76 of the fixing element is substantially parallel or parallel to the first side 80 of the mounting element, the second side 78 of the fixing element is substantially parallel or parallel to the connecting side 86 of the mounting element, the arc-shaped side 79 of the fixing element is attached to the arc-shaped side 84 of the mounting element, when the fixing element is in the open state, the second side 78 of the fixing element is at a certain included angle with the first side 80 of the mounting element, and the arc-shaped side 79 of the fixing. Thereby further making the structure beautiful and more compact. Here, the arcuate edge of the fastener 20 forms the outer arcuate edge of the first receiving portion 46 and the mounting member arcuate edge 84 forms the inner arcuate edge of the second receiving portion 52.

Specifically, one side of the left side and the right side of the refrigerator, on which the embedded hinge devices are disposed, is a rotating side, when the door body 11 is in a closed state, the door body 11 has a door body side wall 88 close to the rotating side and a door body front wall 89 far away from the refrigerator body 10 in the closed state, when the embedded hinge device 12 is in a closed state, the door body 11 is in the closed state, at this time, the first side edge 76 of the fixing member, the first side edge 80 of the mounting member and the door body side wall 88 are both substantially parallel or parallel and level, and the second side edge 78 of the fixing member, the connecting edge 86.

Intermediate assembly 24 includes an intermediate plate 90, with one of first arcuate slot 26 and first coupler 28 disposed on intermediate plate 90, and one of second arcuate slot 30 and second coupler 32 also disposed on intermediate plate 90. Of course, the middle assembly 24 may also include a plurality of middle plates 90, and the middle plates 90 are movably connected with each other, as long as the fixing member 20 can move relative to the mounting member 18 through the middle assembly 24, so as to open and close the door 11 at a certain angle. Specifically in this embodiment, first arcuate slot 26 and second arcuate slot 30 are both disposed on intermediate plate 90, first coupling member 28 is disposed on mounting member 18, and second coupling member 32 is disposed on mounting member 20.

Preferably, the intermediate plate 90 has a fan shape. So set up, compact structure is reliable, save material in addition so that the cost is lower. Of course, the intermediate plate 90 may be provided in other shapes.

The box 10 has a box side wall 91 adjacent to the rotating side, and the outer side of the box side wall 91 defines a first plane, and when the door 11 is opened, the door 11 and the box 10 are all located on the same side of the first plane. That is, during the opening process of the door 11, the embedded hinge device can make the door 11 move a distance away from the rotating side, so that none of the door 11 exceeds the side wall extension line of the box 10. Therefore, the opening degree of the box body 10 can be increased, the opening space facing a user is increased, and the problem that the drawer in the box body 10 cannot be opened due to interference of the door body 11 is avoided. Specifically, in the process that the opening angle of the door 11 is from 0 degree to 90 degrees, the door 11 and the cabinet 10 are all located on the same side of the first plane.

In the preferred embodiment, the first arcuate slot 26 and the second arcuate slot 30 have the same arc center. Further, the first arc-shaped slot 26 and the second arc-shaped slot 30 have the same arc center angle. Of course, the first arcuate slot 26 and the second arcuate slot 30 may be configured to have different arc centers.

Specifically, the door body side wall 88 meets the door body front wall 89 to form a side edge 94, and when the door body 11 is in the closed state, the arc centers of the first arc-shaped groove 26 and the second arc-shaped groove 30 are both located on the side edge 94. Of course, the arc centers of the first arc-shaped slot 26 and the second arc-shaped slot 30 can be arranged at other positions. The outer side surface of the door body front wall 89 defines a second plane, when the door body 11 is in a closed state, the common arc center of the first arc-shaped groove 26 and the second arc-shaped groove 30 is located on the first plane or the second plane, or the common arc center of the first arc-shaped groove 26 and the second arc-shaped groove 30 and the box body 10 are located on the same side of the first plane, and the common arc center of the first arc-shaped groove 26 and the second arc-shaped groove 30 and the door body 11 are located on two sides of the second plane.

Specifically, in the present embodiment, the first coupling 28 includes a first pin 98 and a second pin 100 spaced apart from the first pin 98, and both the first pin 98 and the second pin 100 are coupled to the first arc-shaped slot 26. The first coupling member 28 is coupled to the first arcuate slot 26 such that the intermediate assembly 24 rotates relative to the mounting member 18 about the arc center of the first arcuate slot 26 as a first rotational axis 34. Of course, the first coupling member 28 can be configured to include a first arcuate engagement portion 70 that is adapted to engage the first arcuate slot 26 to also enable the intermediate assembly 24 to rotate relative to the mounting member 18 about the center of the first arcuate slot 26 as the first rotational axis 34. Further, first pin 98 and second pin 100 may each be provided as a ball or other sliding and rolling structure.

The second coupling member 32 includes a first guide pin 102 and a second guide pin 104 spaced apart from the first guide pin 102, and the first guide pin 102 and the second guide pin 104 are coupled to the second arc-shaped slot 30. So that the second coupling member 32 is coupled to the second arc-shaped slot 30, so that the fixing member 20 rotates relative to the middle assembly 24 about the arc center of the second arc-shaped slot 30 as the second rotation axis 36. Similarly, the second coupling member 32 can be configured to include a second arcuate engagement portion 70 that is adapted to engage the second arcuate slot 30, and to similarly enable the fixed member 20 to rotate relative to the intermediate member 24 about the second rotational axis 36 defined by the arcuate center of the second arcuate slot 30. Likewise, the first guide pin 102 and the second guide pin 104 may each be provided as balls or other sliding rolling structures.

The connection structure of the lower embedded hinge device 14 with the door 11 and the cabinet 10 is symmetrically arranged with the upper embedded hinge device, and the other difference between the upper embedded hinge device 12 and the lower embedded hinge device 14 is that the lower embedded hinge device 14 is provided with an auxiliary bearing structure 16 supported on the ground. The structure of the lower embedded hinge unit 14 symmetrically disposed with respect to the upper embedded hinge unit 12 will not be described in detail below, but only the different portions thereof, namely the auxiliary load bearing structure 16 will be described in detail.

The lower embedded hinge device 14 includes a supporting pillar 108 fixedly disposed on the lower hinge mounting member 106 and supported on the ground, and a connecting member 114 rotatably connected to the lower hinge fixing member 112 through a pivot 110, wherein the connecting member 114 is provided with a long hole 116 extending lengthwise along an extending direction of the connecting member 114, when the door body 11 rotates relative to the cabinet 10, the lower hinge fixing member 112 rotates relative to the lower hinge intermediate assembly 118, the lower hinge intermediate assembly 118 rotates relative to the lower hinge mounting member 106, and at this time, the connecting member 114 rotates and slides relative to the supporting pillar 108. So set up, make the opening or closing of door body 11 more smooth.

As shown in fig. 12, the present invention provides a second preferred embodiment, which is different from the first preferred embodiment in that the first arc-shaped groove 120 and the second arc-shaped groove 122 have different arc centers. The above embedded hinge device is also described in detail in this embodiment.

Similarly, the side of the left and right sides of the refrigerator where the embedded hinge device is disposed is defined as a rotating side, the cabinet 121 has a cabinet side wall 124 adjacent to the rotating side, an outer side surface of the cabinet side wall 124 defines a first plane 130, when the door 123 is in a closed state, the door 123 has a door side wall 126 close to the rotating side and a door front wall 128 far away from the cabinet 121 in the closed state, and an outer side surface of the door front wall 128 defines a second plane 132. Specifically, the arc center connecting line AB between the arc center a of the first arc-shaped groove 120 and the arc center B of the second arc-shaped groove 122 and the box body 121 are located on the same side of the first plane 130, and the arc center connecting line AB between the arc center a of the first arc-shaped groove 120 and the arc center B of the second arc-shaped groove 122 and the door body 123 are located on two sides of the second plane 132.

Further, the vertical distance from the arc center a of the first arc-shaped slot 120 to the box 121 is smaller than the vertical distance from the arc center B of the second arc-shaped slot 122 to the box 121, that is, the arc center a of the first arc-shaped slot 120 is closer to the box 121 than the arc center B of the second arc-shaped slot 122. Of course, the vertical distance from the arc center a of the first arc-shaped slot 120 to the box body 121 can also be set to be greater than or equal to the vertical distance from the arc center B of the second arc-shaped slot 122 to the box body 121. Specifically, the arc center a of the first arc-shaped groove 120 is located on the second plane 132, and the arc center connecting line AB between the arc center a of the first arc-shaped groove 120 and the arc center B of the second arc-shaped groove 122 is perpendicular to the second plane 132. Certainly, the arc center connecting line AB between the arc center a of the first arc-shaped groove 120 and the arc center B of the second arc-shaped groove 122 can also be set to form other angles with the second plane 132, so long as it is ensured that the arc center connecting line AB and the box body 121 are located on the same side of the first plane 130 and the arc center connecting line AB and the door body 123 are located on both sides of the second plane 132, it can be ensured that when the door body 123 is opened, the door body 123 is always located on the same side of the first plane 130 as the box body 121, that is, the door body 123 does not exceed the box body side wall 124 all the time, so that even if the refrigerator is placed in a small space, the opening of the door body 123 is.

As shown in fig. 13, the present invention provides a third preferred embodiment, which is different from the second preferred embodiment in that the arc centers of the first arc-shaped groove and the second arc-shaped groove are arranged differently. The above embedded hinge device is also described in detail in this embodiment.

In the preferred embodiment, the case side wall 146 defines a first plane 143, the door front wall 145 defines a second plane 141, when the door 140 is in the closed state, that is, when the upper embedded hinge device is in the closed state, an arc center connecting line CD between an arc center C of the first arc-shaped groove (not shown) and an arc center D of the second arc-shaped groove (not shown) is located on the second plane 141, and an arc center connecting line CD between the arc center C of the first arc-shaped groove and the arc center D of the second arc-shaped groove is located on the same side of the first plane 143 as the case 142, and the arc center connecting line CD is perpendicular to the first plane 143. Specifically, the arc center C of the first arc-shaped groove is located on the side edge where the door body side wall 144 and the door body front wall 145 intersect, and the arc center D of the second arc-shaped groove is located on the second plane 141.

As shown in fig. 14, the present invention provides a fourth preferred embodiment, which is different from the second preferred embodiment in that the arc centers of the first arc-shaped groove and the second arc-shaped groove are differently arranged. The above embedded hinge device is also described in detail in this embodiment.

In the preferred embodiment, the case side wall 151 defines a first plane 149, the door front wall 153 defines a second plane 150, when the door 148 is in the closed state, that is, when the upper embedded hinge device is in the closed state, a connection line EF between the arc centers E and F of the first and second arc-shaped slots is located on the first plane 149, a connection line EF between the arc centers E and F of the first and second arc-shaped slots and the door 148 are located on two sides of the second plane 150, and the connection line EF is perpendicular to the second plane 150. Specifically, the arc center E of the first arc-shaped groove is located on the side edge where the door body side wall 152 and the door body front wall 153 intersect, and the arc center F of the second arc-shaped groove is located on the first plane 149.

As shown in fig. 15 to 19, a fifth preferred embodiment of the present invention discloses a refrigerator, which includes a refrigerator body 156, a door 158 for opening or closing the refrigerator body 156, and a recessed hinge device disposed between the refrigerator body 156 and the door 158 to enable the door 158 to open at a certain angle with respect to the refrigerator body 156, wherein the recessed hinge device includes an upper recessed hinge device 160 and a lower recessed hinge device (not shown), and the embodiment is described in detail by taking the upper recessed hinge device 160 as an example.

The box 156 is provided with a guide 162 coupled to the upper recessed hinge 160, the guide 162 enables the upper recessed hinge 160 to move linearly with the door 158 relative to the box 156, and the guide 162 is provided with a limit pin 164 capable of coupling with or decoupling from the upper recessed hinge 160, so that when the limit pin 164 is coupled to the upper recessed hinge 160, the upper recessed hinge 160 is limited to rotate the door 158, and when the limit pin 164 is decoupled from the upper recessed hinge 160, the upper recessed hinge 160 is allowed to rotate the door 158. When the door 158 is changed from the closed state to the open state, due to the guidance of the guide member 162 and the restriction of the limit pin 164, the upper embedded hinge device 160 firstly moves linearly with the door 158 in a direction away from the box 156 for a certain distance until the limit pin 164 is disengaged from the upper embedded hinge device 160, and then the upper embedded hinge device 160 is allowed to drive the door 158 to rotate. When the door 158 is changed from the open state to the closed state, the upper embedded hinge device 160 drives the door 158 to rotate by a certain angle relative to the box 156, when the upper embedded hinge device 160 is rotated to the limit pin 164 to be coupled with the upper embedded hinge device 160, the upper embedded hinge device 160 is limited to drive the door 158 to rotate, and then the upper embedded hinge device 160 and the door 158 move linearly together along the guide 162 in the direction close to the box 156 until the door 158 is coupled with the box 156, so that the door 158 reaches the closed state.

When the refrigerator is placed in a small space, the side wall of the cabinet 156 is relatively close to the wall, and when the cabinet 156 is placed deep, the wall may affect the opening of the door 158. In the preferred embodiment, when the door 158 is opened, the door 158 is first moved a distance away from the chest 156 relative to the chest 156 so as not to be interfered by a wall, and then the door 158 is rotated a certain angle relative to the chest 156 to open the door 158. Therefore, according to the refrigerator provided by the embodiment, the opening of the door body 158 is not limited by the placing space, and the application range is wider.

Specifically, the guide 162 has a U-shaped groove 165 extending along the linear movement direction of the door 158, the U-shaped groove 165 is coupled to the embedded hinge device, and the embedded hinge device is provided with a stopping portion 166, so that when the stopping portion 166 abuts against the guide 162, the embedded hinge device and the door 158 are limited to continue to move linearly in the direction away from the box 156.

In the preferred embodiment, the upper embedded hinge device 160 also includes a mounting member 168, a fixing member 170 fixedly disposed on the door body 158, and an intermediate assembly 172 disposed between the mounting member 168 and the fixing member 170, wherein the intermediate assembly 172 is movably disposed relative to the mounting member 168, the fixing member 170 is movably disposed relative to the intermediate assembly 172, the intermediate assembly 172 and the fixing member 170 move on the same plane, and the moving directions of the intermediate assembly 172 and the fixing member 170 are the same. The preferred embodiment is different from the first embodiment in that the mounting member 168 is slidably disposed on the guiding member 162, the guiding member 162 is fixedly disposed on the box 156, and the fixing member 170 is provided with a limiting groove 174 capable of being coupled with or disengaged from the limiting pin 164. The relative positions of the mounting member 168, the intermediate member 172 and the fixing member 170 in the closed and open positions of the intermediate member 172, the fixing member 170 and the mounting member 168 are the same as those in the first embodiment, and will not be described in detail herein. Further, in the closed state, the arc centers of the first arc-shaped slot 176 and the second arc-shaped slot 178 can be set to be the same as the arc center in the first embodiment, and the arc centers of the first arc-shaped slot 176 and the second arc-shaped slot 178 can be set to be in the same positions and relative relationship as described in the second to fourth embodiments.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. A refrigerator comprises a refrigerator body, a door body used for opening or closing the refrigerator body, and an embedded hinge device arranged between the refrigerator body and the door body, wherein the embedded hinge device comprises an installation part fixedly arranged on the refrigerator body, a fixing part fixedly arranged on the door body and an intermediate assembly arranged between the installation part and the fixing part,

2. The refrigerator of claim 1 wherein the intermediate assembly includes an intermediate plate, one of the first arcuate slot and the first adapter being disposed on the intermediate plate, and one of the second arcuate slot and the second adapter being also disposed on the intermediate plate.

3. The refrigerator of claim 2, wherein the middle plate is fan-shaped.

4. The refrigerator of claim 1 wherein said first coupling comprises a first pin and a second pin spaced from said first pin, and wherein said first pin and said second pin are coupled to said first arcuate slot.

5. The refrigerator as claimed in claim 1, wherein the first arc-shaped slot is disposed in the middle assembly, the fixing member includes a fixing portion, the first receiving portion forms a first receiving slot, the middle assembly is partially received in the first receiving slot, and the second engaging member is disposed in the first receiving portion and at least partially located in the first receiving slot.

6. The refrigerator as claimed in claim 5, wherein the second coupling member includes a first guide pin and a second guide pin spaced apart from the first guide pin, and the first guide pin and the second guide pin are coupled with the second arc-shaped groove.

7. The refrigerator as claimed in claim 5, wherein the second arc-shaped slot is disposed in the middle assembly, the mounting member includes a mounting portion, the second receiving portion defines a second receiving slot, the middle assembly is partially received in the second receiving slot, and the first engaging member is disposed in the second receiving portion and at least partially located in the second receiving slot.

8. The refrigerator as claimed in claim 7, wherein the built-in hinge device has a closed state and an opened state to close and open the door, respectively, the intermediate member is completely received in the first receiving groove and the second receiving groove in the closed state, and a portion of the intermediate member is moved out of the first receiving groove and a portion of the intermediate member is moved out of the second receiving groove when moving from the closed state to the opened state.

9. The refrigerator as claimed in claim 1, wherein the fixing member includes an upper fixing plate and a lower fixing plate, the upper fixing plate has a connection portion fixedly connected to the lower fixing plate and a spacing portion spaced apart from the lower fixing plate, the connection portion and a portion of the lower fixing plate constitute a fixing portion, and the spacing portion and a portion of the lower fixing plate constitute a first receiving portion.

10. The refrigerator as claimed in claim 1, wherein the mounting member includes an upper mounting plate and a lower mounting plate, the upper mounting plate has an engaging portion fixedly coupled to the lower mounting plate and a separating portion spaced apart from the lower mounting plate, the engaging portion and a portion of the lower mounting plate constitute a mounting portion, and the separating portion and a portion of the lower mounting plate constitute a second receiving portion.