CN114961474B

CN114961474B - Hinge assembly mounting method, hinge assembly used by hinge assembly mounting method and refrigeration equipment

Info

Publication number: CN114961474B
Application number: CN202110216891.4A
Authority: CN
Inventors: 李康; 夏恩品; 王常志
Original assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2023-11-14
Anticipated expiration: 2041-02-26
Also published as: CN114961474A

Abstract

The invention discloses a method for installing a hinge assembly, the hinge assembly and refrigeration equipment used by the method, and the method for installing the hinge assembly comprises the following steps: fixing the first hinge member to the case; fixing the second hinge part and the switching component to the door body, wherein the switching component is positioned at one side of the second hinge part far away from the door body; the box body and the door body are assembled, and the switching assembly is matched with the first hinge piece. According to the invention, the second hinge part and the switching component are fixed first, so that the gap between the second hinge part and the switching component can be effectively controlled, and the gap between the second hinge part and the switching component can not be increased when the box body and the door body are assembled later, so that the appearance is prevented from being influenced by the existence of a large flash gap between the second hinge part and the switching component after the assembly is completed.

Description

Hinge assembly mounting method, hinge assembly used by hinge assembly mounting method and refrigeration equipment

Technical Field

The invention relates to the technical field of household appliances, in particular to an installation method of a hinge assembly, the hinge assembly used by the installation method and refrigeration equipment.

Background

In general, the relative movement between the cabinet and the door of the refrigeration equipment is achieved through a hinge assembly.

In the prior art, because of the existence of installation errors, flash seams are easy to appear at the hinge assembly, and the existence of the flash seams can cause the appearance of the whole refrigeration equipment to be poor, so that the user experience is poor.

In view of the above, there is a need for improvements in the existing methods of installing hinge assemblies to address the above-described problems.

Disclosure of Invention

The invention aims to provide a mounting method of a hinge assembly, the hinge assembly used by the mounting method and refrigeration equipment.

In order to achieve one of the above objects, an embodiment of the present invention provides a method for installing a hinge assembly, comprising the steps of:

fixing the first hinge member to the case;

fixing a second hinge part and a switching assembly to a door body, wherein the switching assembly is positioned at one side of the second hinge part away from the door body;

and assembling the box body and the door body, wherein the switching assembly is matched with the first hinge piece.

As a further improvement of an embodiment of the present invention, the step of fixing the second hinge member and the switching assembly to the door body specifically includes:

fixing the cover plate to one side of the switching assembly;

the switching assembly to which the cover plate is fixed to the second hinge member, and the second hinge member is fixed to the door body.

the shaft body of the switching assembly is arranged in a through groove body of the second hinge piece, and the protruding end of the shaft body, which is far away from the switching assembly, is positioned outside the groove body;

the fixing piece is sleeved on the protruding end to prevent the switching component from being separated from the second hinge piece, and the second hinge piece is fixed to the door body.

In order to achieve one of the above objects, an embodiment of the present invention provides a hinge assembly used in the mounting method according to any one of the above aspects.

As a further improvement of an embodiment of the present invention, the switching assembly is movably connected to the first hinge member and the second hinge member, and when the second hinge member is opened in a direction away from the first hinge member, the second hinge member and the switching assembly move together relative to the first hinge member, and then the switching assembly and the first hinge member are relatively stationary, and the second hinge member moves relative to the switching assembly.

As a further improvement of an embodiment of the present invention, the first hinge member is connected to the switching assembly through a first shaft body group and a first groove body group that are mutually matched, the second hinge member is connected to the switching assembly through a second shaft body group and a second groove body group that are mutually matched, the hinge assembly further includes a locking portion, when the second hinge member is opened in a direction away from the first hinge member, the locking portion locks the second hinge member so that the second hinge member moves together with the switching assembly relative to the first hinge member, the first shaft body group moves in the first groove body group, and then the locking portion locks the first hinge member and unlocks the second hinge member, the switching assembly is relatively stationary with the first hinge member, the second hinge member moves relative to the switching assembly, and the second shaft body group moves in the second groove body group.

As a further improvement of an embodiment of the present invention, the first shaft body group includes a first rotation shaft, the second shaft body group includes a second rotation shaft, and when the second hinge member is opened in a direction away from the first hinge member, the second hinge member and the switching assembly rotate about the first rotation shaft as a central axis, and then the second hinge member rotates about the second rotation shaft as a central axis.

As a further improvement of an embodiment of the present invention, when the first rotation axis is used as a central axis, a first distance is provided between the first rotation axis and the front end surface of the case, and when the second rotation axis is used as a central axis, a second distance is provided between the second rotation axis and the front end surface of the case, and the second distance is greater than the first distance.

As a further improvement of an embodiment of the present invention, when the first rotation axis is used as a central axis, a third distance is provided between the first rotation axis and the outer side surface of the case, and when the second rotation axis is used as a central axis, a fourth distance is provided between the second rotation axis and the outer side surface of the case, and the fourth distance is smaller than the third distance.

As a further improvement of an embodiment of the present invention, the switching assembly includes a first slide group and a second slide group stacked in a first direction, the switching assembly locks the second hinge member when the hinge assembly is in the process of being opened from a closed state to a first opening angle, the first slide group, the second slide group and the second hinge member are relatively stationary and move together with respect to the first hinge member, the first slide group moves with respect to the second slide group to lock the first hinge member and unlock the second hinge member when the hinge assembly is in the process of being continuously opened from the first opening angle to a second opening angle, and the first hinge member, the first slide group and the second slide group are relatively stationary and move together with respect to the switching assembly, the first direction is the direction in which the first hinge member, the switching assembly and the second hinge member are stacked.

As a further improvement of an embodiment of the present invention, the first hinge member is connected to the switching assembly through a first shaft body group and a first groove body group that are mutually matched, and the second hinge member is connected to the switching assembly through a second shaft body group and a second groove body group that are mutually matched.

As a further improvement of an embodiment of the present invention, the first shaft body set includes a first shaft body and a second shaft body, the first shaft body set includes a first groove body matched with the first shaft body and a second groove body matched with the second shaft body, the second shaft body set includes a third shaft body and a fourth shaft body, the second groove body set includes a third groove body matched with the third shaft body and a fourth groove body matched with the fourth shaft body, the first hinge member includes the first shaft body and the second shaft body, the second hinge member includes the third groove body and the fourth groove body, and the switching assembly includes the first groove body, the second groove body, the third shaft body and the fourth shaft body.

As a further improvement of an embodiment of the present invention, the first slot includes a first upper slot located in the first sliding vane set and a first lower slot located in the second sliding vane set, the first upper slot includes a first upper free section, the first lower slot includes a first lower free section, the second slot includes a second upper slot located in the first sliding vane set and a second lower slot located in the second sliding vane set, the second upper slot includes a second upper free section, the second lower slot includes a second lower free section, the third slot includes a third free section, the fourth slot includes a fourth free section, the first slot includes a locking section, the second slot includes a limiting section, when the hinge assembly is in the process of opening from a closed state to a first opening angle, the first sliding vane set and the second sliding vane set are relatively stationary, the first upper free section and the first lower free section are overlapped to form a first free section, the second upper free section and the second lower free section are overlapped to form a second free section, the first shaft body moves in the first free section, the second shaft body moves in the second free section, the third shaft body and/or the fourth shaft body is limited in the limiting section so that the switching component limits the second hinge part, when the hinge component is in the process of continuing to open from a first opening angle to a second opening angle, the first sliding sheet group and the second sliding sheet group move relatively so that the second hinge part is separated from the limit of the switching component, and the first shaft body and/or the second shaft body is limited in the locking section so that the switching component limits the first hinge part, when the hinge assembly is in the process of continuing to open from the second opening angle to the maximum opening angle, the third shaft body moves in the third free section, and the fourth shaft body moves in the fourth free section.

As a further improvement of an embodiment of the present invention, the locking section includes a first upper locking section located on the first upper slot body, a first lower locking section located on the first lower slot body, a second upper locking section located on the second upper slot body, and a second lower locking section located on the second lower slot body, the limiting section includes a fourth limiting section located on the fourth slot body, when the hinge assembly is in a process of opening from a closed state to a first opening angle, the fourth shaft body is limited on the fourth limiting section, when the hinge assembly is in a process of continuing to open from a first opening angle to a second opening angle, the first shaft body is simultaneously limited on the first upper locking section and the first lower locking section, the second shaft body is simultaneously limited on the second upper locking section and the second lower locking section, and the fourth shaft body is separated from the fourth limiting section.

As a further development of an embodiment of the invention, the first upper locking section and the first lower locking section are always offset from one another, and the second upper locking section and the second lower locking section are always offset from one another.

As a further improvement of an embodiment of the present invention, the first slider group includes the third shaft extending to the third groove, and the second slider group includes the fourth shaft extending to the fourth groove.

In order to achieve one of the above objects, an embodiment of the present invention provides a refrigeration apparatus, including a case, a door, and a hinge assembly connecting the case and the door, wherein the hinge assembly is the hinge assembly described above.

As a further improvement of an embodiment of the invention, the case comprises a receiving chamber and a pivoting side connected to the hinge assembly, the hinge assembly driving at least the door to move from the pivoting side towards the receiving chamber when the door is in the opening process.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the second hinge part and the switching component are fixed first, so that the gap between the second hinge part and the switching component can be effectively controlled, and the gap between the second hinge part and the switching component can not be increased when the box body and the door body are assembled later, so that the appearance is prevented from being influenced by the existence of a large flash gap between the second hinge part and the switching component after the assembly is completed.

Drawings

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

fig. 2 is a perspective view of the hinge assembly of the first embodiment of the present invention in a closed state;

FIG. 3 is a schematic view of a first exploded view of a hinge assembly according to a first embodiment of the present invention;

Fig. 4 is a schematic view of a refrigerator full-built-in state according to a first embodiment of the present invention;

FIG. 5 is a schematic view of a second exploded view of the hinge assembly of the first embodiment of the present invention;

FIG. 6 is a schematic view of a third exploded view of the hinge assembly of the first embodiment of the present invention;

fig. 7 is a top view of a refrigerator in a closed state according to a first embodiment of the present invention;

fig. 8 is a perspective view of the hinge assembly of the first embodiment of the present invention in a closed state;

FIG. 9 is a top cross-sectional view of the hinge assembly of the first embodiment of the present invention in a closed state;

FIG. 10 is a bottom cross-sectional view of the hinge assembly of the first embodiment of the present invention in a closed state;

fig. 11 is a top view of a refrigerator according to a first embodiment of the present invention at a first intermediate opening angle;

FIG. 12 is a perspective view of the hinge assembly of the first embodiment of the present invention at a first intermediate opening angle;

FIG. 13 is a top cross-sectional view of the hinge assembly of the first embodiment of the present invention at a first intermediate opening angle;

FIG. 14 is a bottom cross-sectional view of the hinge assembly of the first embodiment of the present invention at a first intermediate opening angle;

fig. 15 is a top view of the refrigerator in the first embodiment of the present invention at a second intermediate opening angle;

FIG. 16 is a perspective view of the hinge assembly of the first embodiment of the present invention at a second intermediate opening angle;

FIG. 17 is a top cross-sectional view of the hinge assembly of the first embodiment of the present invention at a second intermediate opening angle;

FIG. 18 is a bottom cross-sectional view of the hinge assembly of the first embodiment of the present invention at a second intermediate opening angle;

fig. 19 is a top view of a refrigerator in a first opening angle according to a first embodiment of the present invention;

FIG. 20 is a perspective view of the hinge assembly of the first embodiment of the present invention at a first opening angle;

FIG. 21 is a top cross-sectional view of the hinge assembly of the first embodiment of the present invention at a first opening angle;

FIG. 22 is a bottom cross-sectional view of the hinge assembly of the first embodiment of the present invention at a first opening angle;

fig. 23 is a top view of the refrigerator in the first embodiment of the present invention at a second opening angle;

FIG. 24 is a perspective view of the hinge assembly of the first embodiment of the present invention at a second opening angle;

FIG. 25 is a top cross-sectional view of the hinge assembly of the first embodiment of the present invention at a second opening angle;

FIG. 26 is a bottom cross-sectional view of the hinge assembly of the first embodiment of the present invention at a second opening angle;

Fig. 27 is a top view of a refrigerator in a first embodiment of the present invention at a maximum opening angle;

FIG. 28 is a perspective view of the hinge assembly of the first embodiment of the present invention at a maximum opening angle;

FIG. 29 is a top cross-sectional view of the hinge assembly of the first embodiment of the present invention at a maximum opening angle;

FIG. 30 is a bottom cross-sectional view of the hinge assembly of the first embodiment of the present invention at a maximum opening angle;

fig. 31 is a perspective view of a hinge assembly according to a first embodiment of the present invention;

FIG. 32 is an exploded view of the hinge assembly of the first embodiment of the present invention;

FIG. 33 is a cross-sectional view of the hinge assembly of the first embodiment of the present invention;

fig. 34 to 42 are schematic views of a hinge assembly according to a second embodiment of the present invention;

fig. 43 to 47 are schematic views of a hinge assembly according to a third embodiment of the present invention;

FIG. 48 is a step diagram of a method of installing a hinge assembly according to an embodiment of the present invention;

fig. 49 and 50 are schematic views illustrating an installation method of a hinge assembly according to an embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. These embodiments are not intended to limit the invention and structural, methodological, or functional modifications of these embodiments that may be made by one of ordinary skill in the art are included within the scope of the invention.

In the various illustrations of the invention, certain dimensions of structures or portions may be exaggerated relative to other structures or portions for convenience of illustration, and thus serve only to illustrate the basic structure of the inventive subject matter.

In addition, terms such as "upper", "above", "lower", "below", "left", "right", and the like, as used herein, indicate spatial relative positions, and are used for convenience of description to describe one element or feature relative to another element or feature as illustrated in the figures. The term spatially relative position may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Referring to fig. 1, a refrigeration appliance 100 according to a first embodiment of the present invention is shown.

The refrigeration apparatus 100 includes a cabinet 10, a door 20, and a hinge assembly 30 connecting the cabinet 10 and the door 20.

The refrigeration apparatus 100 may be a refrigerator, a freezer, a wine cabinet, etc., and the refrigerator is taken as an example of the refrigeration apparatus 100.

In addition, the hinge assembly 30 is not only applicable to the refrigeration apparatus 100, but also applicable to other situations, such as a cabinet, a wardrobe, etc., and the present invention is described by way of example, but not limitation, in which the hinge assembly 30 is applied to the refrigerator 100.

Referring to fig. 2 and 3, a hinge assembly 30 according to a first embodiment of the present invention is shown.

The hinge assembly 30 includes a first hinge member 31 provided to the case 10, a second hinge member 32 provided to the door 20, and a switching assembly 40 connecting the first hinge member 31 and the second hinge member 32.

Here, the "first hinge member 31 provided to the case 10" means that the first hinge member 31 is connected to the case 10, and the first hinge member 31 may be a separate member attached to the case 10 or may be a member integrally formed directly with the case 10.

Similarly, the term "second hinge member 32 provided in the door body 20" means that the second hinge member 32 is connected to the door body 20, and the second hinge member 32 may be a separate member attached to the door body 20 or may be a member integrally formed directly with the door body 20.

The switching assembly 40 is located between the first hinge member 31 and the second hinge member 32, the first hinge member 31 and the switching assembly 40 can interact with each other, the second hinge member 32 and the switching assembly 40 can interact with each other, and the switching assembly 40 can control the working sequence of the first hinge member 31 and the second hinge member 32.

Specifically, the switching component 40 is movably connected to the first hinge member 31 and the second hinge member 32, when the second hinge member 32 is opened in a direction away from the first hinge member 31, the second hinge member 32 and the switching component 40 move together relative to the first hinge member 31, and then the switching component 40 and the first hinge member 31 are relatively stationary, and the second hinge member 32 moves relative to the switching component 40.

Here, "the second hinge member 32 is opened in a direction away from the first hinge member 31" means that the second hinge member 32 is acted on in one direction to drive the second hinge member 32 to move in a direction away from the first hinge member 31, i.e., corresponding to the opening process of the hinge assembly 30.

It can be appreciated that when the hinge assembly 30 is mounted to the refrigerator 100, the opening process of the hinge assembly 30 corresponds to the opening process of the door body 20.

In the present embodiment, the switching assembly 40 controls the switching operation between the first hinge member 31 and the second hinge member 32, that is, the switching assembly 40 controls the first hinge member 31 and the switching assembly 40 to move relatively, and then controls the second hinge member 32 and the switching assembly 40 to move relatively, and in the present embodiment, the opening and closing process of the door body 20 is controlled by controlling the first hinge member 31 and the second hinge member 32 to operate alternately with respect to the switching assembly 40, so that the degree of freedom of the opening and closing process of the door body 20 of the refrigerator 100 can be improved.

It will be appreciated that the switching assembly 40 may be mechanically or electrically controlled to effect switching between the first hinge member 31 and the second hinge member 32.

In the present embodiment, when the hinge assembly 30 is in the opening process, the switching assembly 40 controls the first hinge member 31 and the second hinge member 32 to sequentially operate in a first order, and when the hinge assembly 30 is in the closing process, the switching assembly 40 controls the first hinge member 31 and the second hinge member 32 to sequentially operate in a second order, the first order being opposite to the second order.

Here, "first order" and "second order" refer to the order of operation between the first hinge member 31 and the second hinge member 32.

The working sequence between the first hinge member 31 and the second hinge member 32 can be effectively controlled by the switching assembly 40, so that the mutual interference between the door body 20 and the cabinet in the opening and closing process caused by the disordered sequence between the first hinge member 31 and the second hinge member 32 is avoided, and the method is suitable for the field of embedded refrigerators.

In this embodiment, at least a portion of the hinge assembly 30 moves relative to the case 10 and the door 20 when the door 20 is in the open process.

Here, "at least part of the hinge assembly 30 moves relative to the case 10 and the door 20" means that at least part of the hinge assembly 30 moves simultaneously relative to the case 10 and the door 20, i.e., at least part of the hinge assembly 30 is sandwiched between the case 10 and the door 20, not completely embedded in the case 10 or the door 20.

Generally, in the conventional refrigerator structure, the hinge assembly is generally embedded in the case and the door, i.e., the hinge assembly is relatively stationary with respect to the case or the door, so that the movement track of the door 20 is greatly limited.

At least a part of the hinge assembly 30 in this embodiment moves relative to the case 10 and the door 20, so that the degree of freedom in the opening and closing process of the door 20 can be effectively improved, and the movement track of the door 20 can be effectively controlled, so as to adapt to various application scenarios of the refrigerator 100.

In this embodiment, the first hinge member 31 is connected to the switching assembly 40 through the first shaft body groups 311 and 312 and the first slot body groups 411 and 412, the second hinge member 32 is connected to the switching assembly 40 through the second shaft body groups 321 and 322 and the second slot body groups 421 and 422, the hinge assembly 40 further includes a locking portion, when the second hinge member 32 is opened in a direction away from the first hinge member 31, the locking portion locks the second hinge member 32 to move the second hinge member 32 and the switching assembly 40 together relative to the first hinge member 31, the first shaft body groups 311 and 312 move in the first slot body groups 411 and 412, and then the locking portion locks the first hinge member 31 and unlocks the second hinge member 32, the switching assembly 40 and the first hinge member 31 are relatively stationary, the second hinge member 32 moves relative to the switching assembly 40, and the second shaft body groups 321 and 322 move in the second slot body groups 421 and 422.

That is, the first hinge member 31, the second hinge member 32 and the switching unit 40 of the present embodiment are connected by the shaft and the groove to perform the relative movement, and the locking and unlocking of the first hinge member 31 and the second hinge member 32 are performed in cooperation with the locking portion, so that the sequential operation of the first hinge member 31 and the second hinge member 32 can be performed, however, in other embodiments, the first hinge member 31, the second hinge member 32 and the switching unit 40 may be engaged with each other by other structures.

Specifically, in the opening process of the refrigerator 100, when the door body 20 is in the process of opening from the closed state to the first opening angle α1, the locking portion locks the second hinge member 32, the second hinge member 32 moves together with the switching assembly 40 relative to the first hinge member 31, the first shaft body groups 311 and 312 move in the first slot body groups 411 and 412, when the door body 20 is in the process of continuing to open from the first opening angle α1 to the second opening angle α2, the locking portion locks the first hinge member 31 and unlocks the second hinge member 32, when the door body 20 is in the process of continuing to open from the second opening angle α2 to the maximum opening angle α3, the switching assembly 40 and the first hinge member 31 are relatively stationary, the second hinge member 32 moves relative to the switching assembly 40, and the second shaft body groups 321 and 322 move in the second slot body groups 421 and 422.

The motion track of the door body 20 can be effectively controlled by arranging the switching component 40 in the present embodiment, and in particular, the hinge component 30 in the present embodiment is suitable for an embedded application scenario.

Referring to fig. 4, a simple schematic diagram in which the hinge assembly 30 is assembled to the refrigerator 100 and the refrigerator 100 is embedded in the cabinet 200 is taken as an example.

The case 10 includes an opening 102 and a front end surface 103 surrounding the opening 102, the case 10 further includes a receiving chamber D and an outer side surface 13 adjacent to the hinge assembly 30 and on an extension of a rotation path of the door 20, the door 20 includes a front wall 21 far from the receiving chamber D and a side wall 22 always sandwiched between the front wall 21 and the receiving chamber D, and a side edge 23 is provided between the front wall 21 and the side wall 22.

The first shaft body groups 311 and 312 include a first rotation shaft 311, the second shaft body groups 321 and 322 include a second rotation shaft 321, and when the second hinge member 32 is opened in a direction away from the first hinge member 31, the second hinge member 32 and the switching member 40 rotate about the first rotation shaft 311, and then the second hinge member 32 rotates about the second rotation shaft 321.

Here, the "rotation axis" is defined as a corresponding central axis during the rotation of the door body 20, that is, the door body 20 is rotated and opened around the rotation axis, and the rotation axis may be a fixed axis during the opening of the door body 20 or a variable axis during the opening of the door body 20.

Specifically, to the opening process of the refrigerator 100, when the door 20 is in the process of being opened to the first opening angle α1 in the closed state, the door 20 is rotated about the first rotation shaft 311 as the central axis, and when the door 20 is in the process of being continuously opened to the maximum opening angle α3 from the second opening angle α2, the door 20 is rotated about the second rotation shaft 321 as the central axis.

Here, when the first rotation shaft 311 is the central axis, a first distance is provided between the first rotation shaft 311 and the front end surface 103 of the case 10, and when the second rotation shaft 321 is the central axis, a second distance is provided between the second rotation shaft 321 and the front end surface 103 of the case 10, the second distance being greater than the first distance.

When the first rotation shaft 311 is used as the central axis, a third distance is provided between the first rotation shaft 311 and the outer side 13 of the case 10, and when the second rotation shaft 321 is used as the central axis, a fourth distance is provided between the second rotation shaft 321 and the outer side 13 of the case 10, and the fourth distance is smaller than the third distance.

The concrete explanation is as follows:

in some motion tracks of the refrigerator 100, the first rotation shaft 311 and the second rotation shaft 321 may move relative to the door body 20, or the hinge assembly 30 may further include other shafts cooperating with the first rotation shaft 311 and the second rotation shaft 321, for simplicity, it is simply considered that the door body 20 rotates about the first rotation shaft 311 first and then is switched to rotate about the second rotation shaft 321 by the switching assembly 40.

In practice, in order to enhance the embedding effect, it is preferable that the refrigerator 100 is completely embedded in the cabinet 200, and the refrigerator 100 is a free embedded refrigerator, i.e., the front end 201 of the cabinet 200 is located on the same plane with the front wall 21 of the door 20 on the side far from the cabinet 10, or the front wall 21 of the door 20 does not protrude beyond the front end 201 of the cabinet 200 at all.

In the prior art, the refrigerator is a single-shaft refrigerator, and the rotation axis of the refrigerator needs to keep a certain distance from the side wall and the front wall of the refrigerator, so that enough space is needed to satisfy foaming or other processes, that is, the rotation axis of the existing refrigerator is located at the position of the first rotation axis 311 in fig. 4, in this case, after the single-shaft refrigerator is embedded into the cabinet 200, since the corner 203 of the cabinet 200 clamped between the front end 201 and the inner wall 202 is arranged corresponding to the side edge 23 of the door 20, when the door 20 is opened, the side edge 23 interferes with the door 20 to limit the maximum opening angle of the door 20, and in order to ensure the normal opening of the door 20, the conventional method is to increase the space between the inner wall 202 of the cabinet 200 and the refrigerator 100, which is about 10cm, which seriously affects the embedding effect and is unfavorable for the reasonable utilization of the limited space.

Referring to fig. 4, the hatched area indicates the door 20 in the closed state, when the door 20 is in the open process, if the door 20 is always rotated around the first rotation axis 311 (i.e. the prior art), referring to the dashed door 20 'in fig. 4, since the first rotation axis 311 is close to the front end surface 103, i.e. the first axis 311 is far away from the front end 201 of the cabinet 200, after the door 20' is opened to a certain angle, the edges 203 of the cabinet 200 interfere with the door 20 'to limit the maximum opening angle of the door 20'.

In the present embodiment, the second rotation shaft 321 is located on the switching component 40, and during the opening process of the door 20, the switching component 40 moves relative to the first hinge member 31 and the second hinge member 32, so that the second rotation shaft 321 gradually moves away from the front end surface 103, i.e. the second rotation shaft 321 gradually moves towards the direction close to the front end 201 of the cabinet 200, i.e. at this time, the whole door 20 moves towards the direction away from the case 10, referring to the solid line door 20 in fig. 4, the interference effect of the edges 203 of the cabinet 200 on the door 20 is greatly reduced, and the edges 203 of the cabinet 200 interfere with each other when the door 20 is opened to a larger angle, so that the maximum opening angle of the door 20 is greatly improved.

That is, the function of the switching assembly 40 in this embodiment can enable the later door 20 to rotate about the second rotation axis 321, so that the maximum opening angle of the door 20 can be effectively increased on the premise of ensuring that the refrigerator 100 is freely embedded into the cabinet 200, thereby facilitating the user to operate the refrigerator 100 and greatly improving the user experience.

In addition, the interval between the inner wall 202 of the cabinet 200 and the refrigerator 100 is not required to be increased, so that the refrigerator 100 and the cabinet 200 can be connected in a seamless manner, and the embedding effect is greatly improved.

In addition, the switching assembly 40 of the present embodiment drives the second rotation shaft 321 to gradually move towards the direction close to the front end 201 of the cabinet 200, and simultaneously drives the second rotation shaft 321 to gradually approach the inner wall 202 of the cabinet 200, that is, when the door 20 rotates around the second rotation shaft 321, the second rotation shaft 321 is closer to the front end 201 and the inner wall 202 of the cabinet 200 than the first rotation shaft 311, so that the maximum opening angle of the door 20 can be increased, and the door 20 can be further separated from the box 10 to increase the opening of the box 10, thereby facilitating the opening and closing of racks, drawers, and the like in the box 10, or facilitating the picking and placing of objects.

Of course, the second rotation axis 321 as the rotation axis may be located at other positions, for example, when the door 20 rotates around the second rotation axis 321, the second rotation axis 321 is closer to the front end 201 of the cabinet 200 than the first rotation axis 311, and the second rotation axis 321 is farther from the inner wall 202 of the cabinet 200 than the first rotation axis 311.

It can be appreciated that the switching assembly 40 controls the switching sequence of the first hinge member 31 and the second hinge member 32 during the opening and closing process of the door 20, so as to effectively avoid the interference between the door 20 and the cabinet 200 during the opening and closing process.

The specific design of the hinge assembly 30 of the present embodiment may be referred to in the following examples, and it is understood that the following is merely illustrative examples, and that in other embodiments, the hinge assembly 30 may have other structures.

Referring to fig. 5 and 6, the switching assembly 40 includes a first slider group 401 and a second slider group 402 stacked along a first direction, when the hinge assembly 30 is in the process of opening from the closed state to the first opening angle α1, the switching assembly 40 locks the second hinge member 32, the first slider group 401, the second slider group 402 and the second hinge member 32 are relatively stationary and move together relative to the first hinge member 31, when the hinge assembly 30 is in the process of continuing to open from the first opening angle α1 to the second opening angle α2, the first slider group 401 moves relative to the second slider group 402 to lock the first hinge member 31 and unlock the second hinge member 32, and when the hinge assembly 30 is in the process of continuing to open from the second opening angle α2 to the maximum opening angle α3, the first hinge member 31, the first slider group 401 and the second slider group 32 are relatively stationary, and the second hinge member 32 moves relative to the switching assembly 40, and the first direction is the stacking direction of the first hinge member 31, the switching assembly 40 and the second hinge member 32.

It can be appreciated that when the hinge assembly 30 is mounted to the refrigerator 100, the opening angle of the hinge assembly 30 corresponds to the opening angle of the door body 20.

Specifically, the first hinge member 31 is connected to the switching assembly 40 through the first shaft body groups 311 and 312 and the first slot body groups 411 and 412, and the second hinge member 32 is connected to the switching assembly 40 through the second shaft body groups 321 and 322 and the second slot body groups 421 and 422.

The first shaft body groups 311 and 312 include a first shaft body 311 and a second shaft body 312, the first groove body groups 411 and 412 include a first groove body 411 engaged with the first shaft body 311 and a second groove body 412 engaged with the second shaft body 312, the second shaft body groups 321 and 322 include a third shaft body 321 and a fourth shaft body 322, and the second groove body groups 421 and 422 include a third groove body 421 engaged with the third shaft body 321 and a fourth groove body 422 engaged with the fourth shaft body 322.

Here, the first shaft body 311 is located at one of the first hinge member 31 and the switching assembly 40, and the first slot 411 is located at the other of the first hinge member 31 and the switching assembly 40.

The second shaft 312 is located at one of the first hinge member 31 and the switching assembly 40, and the second slot 412 is located at the other of the first hinge member 31 and the switching assembly 40.

The third shaft 321 is located at one of the second hinge member 32 and the switching assembly 40, and the third groove 421 is located at the other of the second hinge member 32 and the switching assembly 40.

The fourth shaft 322 is located at one of the second hinge member 32 and the switching assembly 40, and the fourth groove 422 is located at the other of the second hinge member 32 and the switching assembly 40.

That is, the distribution of the hinge assembly 30 may include various situations, and in particular, according to the practical situation, the first hinge member 31 includes the first shaft body 311 and the second shaft body 312, the second hinge member 32 includes the third slot body 421 and the fourth slot body 422, and the switching assembly 40 includes the first slot body 411, the second slot body 412, the third shaft body 321 and the fourth shaft body 322.

It can be seen that the first hinge member 31 and the switching member 40 of the present embodiment are in a dual-axis dual-groove fit, and the second hinge member 32 and the switching member 40 are in a dual-axis dual-groove fit, but not limited thereto.

In other embodiments, a single-axis single-slot mating form may be included, for example, a first shaft set including a first shaft, a first slot set including a first slot that mates with the first shaft, and/or a second shaft set including a third shaft, a second slot set including a third slot that mates with the third shaft.

Of course, the first hinge member 31 and the switching assembly 40 may be in a single-axis single-slot fit, the second hinge member 32 and the switching assembly 40 may be in a double-axis double-slot fit, or the first hinge member 31 and the switching assembly 40 may be in a double-axis double-slot fit, and the second hinge member 32 and the switching assembly 40 may be in a single-axis single-slot fit, or other shaft bodies or slot body fits.

In this embodiment, with continued reference to fig. 5 and 6, the first slot 411 includes a first upper slot 413 located in the first slider group 401 and a first lower slot 414 located in the second slider group 402, the first upper slot 413 includes a first upper free section 4131, and the first lower slot 414 includes a first lower free section 4141.

The second slot 412 includes a second upper slot 415 located in the first slider group 401 and a second lower slot 416 located in the second slider group 402, the second upper slot 415 including a second upper free section 4151, the second lower slot 416 including a second lower free section 4161.

The third slot 421 includes a third free section 4211.

The fourth slot 422 includes a fourth free section 4221.

The first slot sets 411, 412 include locking segments 4132, 4142, 4152, 4162 and the second slot sets 421, 422 include a spacing segment 4222.

The locking segments 4132, 4142, 4152, 4162 comprise a first upper locking segment 4132 located in the first upper slot 413, a first lower locking segment 4142 located in the first lower slot 414, a second upper locking segment 4152 located in the second upper slot 415, and a second lower locking segment 4162 located in the second lower slot 416, and the limiting segment 4222 comprises a fourth limiting segment 4222 located in the fourth slot 422.

The first upper locking section 4132 communicates with the first upper free section 4131, the first lower locking section 4142 communicates with the second lower free section 4141, the second upper locking section 4152 communicates with the second upper free section 4151, and the second lower locking section 4162 communicates with the second lower free section 4161.

The first upper locking section 4132 and the first lower locking section 4142 are always offset from each other, and the second upper locking section 4152 and the second lower locking section 4162 are always offset from each other.

Here, "always offset from each other" means that the first upper locking segment 4132 and the first lower locking segment 4142 do not completely overlap each other and the second upper locking segment 4152 and the second lower locking segment 4162 do not completely overlap each other during the opening of the door body 20.

Of course, the installation positions, the number, etc. of the locking sections 4132, 4142, 4152, 4162 and the limiting sections 4222 are not limited to the above description, for example, the third groove 421 may also include the limiting sections 4222, or the first upper groove 413 and the first lower groove 414 do not include the locking sections, etc.

In the present embodiment, the first slider set 401 is closer to the first hinge member 31 than the second slider set 402, that is, the first hinge member 31, the first slider set 401, the second slider set 402 and the second hinge member 32 are stacked in order.

Referring to fig. 5 and 6, the hinge assembly 30 further includes a first riveting piece 4111 and a second riveting piece 4121, when the first shaft body 311 extends into the first slot body 411, the first riveting piece 4111 is located below the second slide sheet set 402 and is sleeved with the first shaft body 311, so that the first shaft body 311 is prevented from being separated from the first slot body 411, and similarly, when the second shaft body 312 extends into the second slot body 412, the second riveting piece 4121 is located below the second slide sheet set 402 and is sleeved with the second shaft body 312, so that the second shaft body 312 is prevented from being separated from the second slot body 412.

The first sliding vane set 401 and the second sliding vane set 402 are mutually matched and connected through the fifth shaft body 50.

Here, the first slider group 401 and the second slider group 402 are provided with a first through hole 4014 and a second through hole 4024, and independent caulking pieces pass through the first through hole 4014 and the second through hole 4024 as the fifth shaft body 50.

Specifically, the fifth shaft body 50 includes a rivet 51 and a rivet spacer, wherein one end of the rivet 51 having a larger size is located below the second through hole 4024, one end of the rivet 51 having a smaller size extends into the second through hole 4024 and the first through hole 4014 in sequence, and the rivet spacer is located above the first through hole 4014 and cooperates with the rivet 51 to lock the rivet 51, however, other cooperating forms are possible.

Thus, the first sliding vane set 401 and the second sliding vane set 402 can be mutually matched, so that the first sliding vane set 401 and the second sliding vane set 402 can relatively move, and the first sliding vane set 401 and the second sliding vane set 402 can not be mutually separated.

The first through hole 4014 and the second through hole 4024 are matched with the fifth shaft 50, and the first slider set 401 is rotated in place relative to the second slider set 402.

In other embodiments, a through hole may be provided on one of the first sliding vane set 401 and the second sliding vane set 402, and a fifth shaft 50 is provided on the other, so that the first sliding vane set 401 and the second sliding vane set 402 are mutually matched through the cooperation of the fifth shaft 50 and the through hole, but not limited thereto.

In addition, the first slider group 401 includes a third shaft 321, the third shaft 321 extends to the third groove 421 beyond the second slider group 402, the second slider group 402 includes a fourth shaft 322, and the fourth shaft 322 extends to the fourth groove 422.

That is, the third shaft 321 and the fourth shaft 322 of the present embodiment are located in different slide sets, but not limited to this.

Next, a specific working procedure of the hinge assembly 30 will be described.

Referring to fig. 7 to 22, when the hinge assembly 30 is in the process of opening from the closed state to the first opening angle α1, the first sliding vane set 401 and the second sliding vane set 402 are relatively stationary, the first upper free section 4131 and the first lower free section 4141 overlap to form a first free section S1, the second upper free section 4151 and the second lower free section 4161 overlap to form a second free section S2, the first shaft 311 moves in the first free section S1, the second shaft 312 moves in the second free section S2, and the third shaft 321 and/or the fourth shaft 322 are limited by the limiting section 4222, so that the switching assembly 40 limits the second hinge member 32.

Here, the phrase "the third shaft body 321 and/or the fourth shaft body 322 are limited to the limiting section 4222" means that the third shaft body 321 is limited to the limiting section 4222 (i.e., the limiting section 4222 is located in the third groove 421) and the fourth shaft body 322 is not limited, or the third shaft body 321 is not limited to the limiting section 4222 (i.e., the limiting section 4222 is located in the fourth groove 422), or both the third shaft body 321 and the fourth shaft body 322 are limited to the limiting section 4222 (i.e., the limiting section 4222 is located in both the third groove 421 and the fourth groove 422).

Specifically, the fourth shaft body 322 is limited to the fourth limiting segment 4222, and the second hinge member 32 is in a locked state.

Here, since the first upper free section 4131 and the first lower free section 4141 always overlap to form the first free section S1, and the second upper free section 4151 and the second lower free section 4161 always overlap to form the second free section S2, that is, the movement track of the first sliding vane set 401 and the second sliding vane set 402 are identical, and the first shaft body 311 moves in the first free section S1, and simultaneously, the second shaft body 312 moves in the second free section S2, in this process, the first sliding vane set 401 and the second sliding vane set 402 are not staggered with each other, that is, the first sliding vane set 401 and the second sliding vane set 402 remain relatively stationary, so that the first upper free section 4131 and the first lower free section 4141 are prevented from being dislocated with each other, and meanwhile, the second upper free section 4151 and the second lower free section 4161 are prevented from being dislocated with each other, so that smooth movement of the first shaft body 311 in the first free section S1 and smooth movement of the second shaft body 312 in the second free section S2 can be ensured.

Referring to fig. 23 to 26, when the hinge assembly 30 is in the process of continuing to open from the first opening angle α1 to the second opening angle α2, the first sliding vane set 401 and the second sliding vane set 402 move relatively to disengage the second hinge member 32 from the limit of the switching assembly 40, and the first shaft body 311 and/or the second shaft body 312 are limited on the locking sections 4132, 4142, 4152, 4162 to enable the switching assembly 40 to limit the first hinge member 31.

Here, "the first sliding vane set 401 and the second sliding vane set 402 move relatively to disengage the second hinge member 32 from the limit of the switching assembly 40, and the first shaft body 311 and/or the second shaft body 312 are limited by the locking sections 4132, 4142, 4152, 4162 to limit the switching assembly 40 to the first hinge member 31" means that the switching assembly 40 and the second hinge member 32 move relatively to each other so that no limit exists between the switching assembly 40 and the second hinge member 32, and the switching assembly 40 and the first hinge member 31 move relatively to each other so that the switching assembly 40 and the first hinge member 31 limit each other.

In an example, the first shaft body 311 is simultaneously located at the first upper locking section 4132 and the first lower locking section 4142, the second shaft body 312 is simultaneously located at the second upper locking section 4152 and the second lower locking section 4162, and the fourth shaft body 322 is separated from the fourth limiting section 4222, which is described as follows:

When the door 20 is opened to the first opening angle α1, the second shaft body 312 moves from the second free section S2 to the second lower locking section 4162 and is limited, at this time, the first shaft body 311 and the second shaft body 312 cannot move relative to the first free section S1 and the second free section S2, and the first shaft body 311 is adjacent to the first upper locking section 4132 and the first lower locking section 4142, the second shaft body 312 is adjacent to the second upper locking section 4152, and the track of the first upper locking section 4132 and the second upper locking section 4152 is adapted to the movement path of the first shaft body 311 and the second shaft body 312.

When the door 20 is opened continuously based on the first opening angle α1, the door 20 drives the second hinge member 32 connected to the door 20 to move, and the second hinge member 32 applies a force to the third shaft 321 and the fourth shaft 322 through the third free section 4211 and the fourth limiting section 4222, so that the third shaft 321 and the fourth shaft 322 drive the first sliding vane set 401 and the second sliding vane set 402 to move.

Specifically, at this time, the first shaft body 311 is adjacent to the first upper locking section 4132, the second shaft body 312 is adjacent to the second upper locking section 4152, the first sliding vane set 401 may move by a first angle relative to the first shaft body 311 and the second shaft body 312 until the first shaft body 311 is limited to the first upper locking section 4132, and the second shaft body 312 is limited to the second upper locking section 4152, and at the same time, the second sliding vane set 402 moves by a second angle relative to the first shaft body 311 with the fifth shaft body 50 as a center of a circle until the first shaft body 311 is limited to the second locking section 4152, and during this process, the second shaft body 312 is always contacted with the second lower locking section 4162, and the second angle is greater than the first angle.

That is, the first sliding vane set 401 and the second sliding vane set 402 rotate by a certain angle, and the rotation angle of the second sliding vane set 402 is larger than that of the first sliding vane set 401, and the first sliding vane set 401 and the second sliding vane set 402 are also relatively moved to be staggered.

It is understood that the rotation process of the first sliding vane set 401 and the second sliding vane set 402 does not have a certain sequence, and the first sliding vane set 401 and the second sliding vane set 402 may rotate simultaneously, for example, the first sliding vane set 401 and the second sliding vane set 402 rotate synchronously within a certain rotation angle range, and then the first sliding vane set 401 and the second sliding vane set 402 are staggered.

In actual operation, the first sliding vane set 401 and the second sliding vane set 402 drive the first slot 411 and the second slot 412 to rotate relative to the first shaft 311 and the second shaft 312, respectively, the first shaft 311 is separated from the first free section S1 and is abutted to the first upper locking section 4132 and the first lower locking section 4142, i.e. the first shaft 311 is simultaneously located at the first upper locking section 4132 and the first lower locking section 4142, the second shaft 312 is separated from the second free section S2 and is abutted to the second upper locking section 4152 and the second lower locking section 4162, i.e. the second shaft 312 is simultaneously located at the second upper locking section 4152 and the second lower locking section 4162, and meanwhile, the movement of the second sliding vane set 402 makes the fourth shaft 322 separate from the fourth limiting section 4222.

It can be appreciated that when the first shaft body 311 is located at the first upper locking section 4132 and the first lower locking section 4142, since the first slide sheet set 401 and the second slide sheet set 402 are staggered, the first upper free section 4131 and the first lower free section 4141 which are originally overlapped with each other are also staggered, and the first upper free section 4131 and the first lower free section 4141 which are staggered with each other limit the first shaft body 311 to separate from the first upper locking section 4132 and the first lower locking section 4142, so that the first shaft body 311 can be ensured to be always kept at the first upper locking section 4132 and the first lower locking section 4142 in the process of continuously opening the door body 20.

Similarly, when the second shaft body 312 is located at the second upper locking section 4152 and the second lower locking section 4162, since the first sliding vane set 401 and the second sliding vane set 402 are staggered, the first upper free section 4151 and the second lower free section 4161 that are originally overlapped with each other are also staggered, and the staggered second upper free section 4151 and second lower free section 4161 limit the second shaft body 312 to separate from the second upper locking section 4152 and the second lower locking section 4162, so as to ensure that the second shaft body 312 is always kept at the second upper locking section 4152 and the second lower locking section 4162 during the continuous opening of the door body 20.

In addition, the rotation angle of the second sliding vane set 402 is greater than that of the first sliding vane set 401, that is, the second sliding vane set 402 and the first sliding vane set 401 are staggered with each other, so that the locking effect between the first hinge member 31 and the switching assembly 40 can be further improved, the first shaft body 311 is ensured to be always kept at the first upper locking section 4132 and the first lower locking section 4142, and the second shaft body 312 is always kept at the second upper locking section 4152 and the second lower locking section 4162.

Referring to fig. 27 to 30, when the hinge assembly 30 is continuously opened from the second opening angle α2 to the maximum opening angle α3, the third shaft 321 moves in the third free section 4211, and the fourth shaft 322 moves in the fourth free section 4221.

It can be seen that, in this embodiment, through the unlocking and locking actions of the switching component 40 on the first hinge member 31 and the second hinge member 32, the sequential switching of the first hinge member 31 and the second hinge member 32 can be effectively controlled, so that the door body 20 can be stably opened.

It can be appreciated that when the door 20 is in the closing process, i.e. the door 20 starts to be closed from the maximum opening angle α3, the switching assembly 40 can also effectively control the sequential switching of the first hinge member 31 and the second hinge member 32, i.e. when the door 20 is in the closing process from the maximum opening angle α3 to the second opening angle α2, the third shaft 321 moves in the third free section 4211, the fourth shaft 322 moves in the fourth free section 4221, the switching assembly 40 locks the first hinge member 31, when the door 20 is in the closing process from the second opening angle α2 to the first opening angle α1, the first slide group 401 and the second slide group 402 relatively move to disengage the first hinge member 31 from the limit of the switching assembly 40, and the fourth shaft 322 is limited in the fourth limit section 4222, the switching assembly 40 locks the second hinge member 32, and when the door 20 is in the closing process from the first opening angle α1 to the full closing process, the first shaft 311 moves in the first free section S1, and the second shaft 312 moves in the second free section S2.

In other words, the closing process of the door body 20 and the opening process of the door body 20 are the processes in reverse order, and the switching sequence of the first hinge member 31 and the second hinge member 32 in the opening and closing process of the door body 20 can be effectively controlled by the unlocking and locking actions of the switching assembly 40 on the first hinge member 31 and the second hinge member 32.

In the present embodiment, the first shaft body 311 and the third shaft body 321 are offset from each other.

When the door 20 is in the process of opening from the closed state to the first opening angle α1, the door 20 rotates around the first shaft 311 as a central axis, and when the door 20 is in the process of continuing to open from the second opening angle α2 to the maximum opening angle α3, the door 20 rotates around the third shaft 321 as an axis.

When the first shaft body 311 is used as a central shaft, a first distance is reserved between the first shaft body 311 and the front end face 103 of the box body 10, a third distance is reserved between the first shaft body 311 and the outer side face 13 of the box body 10, when the third shaft body 321 is used as a central shaft, a second distance is reserved between the third shaft body 321 and the front end face 103 of the box body 10, a fourth distance is reserved between the third shaft body 321 and the outer side face 13 of the box body 10, the second distance is larger than the first distance, and the fourth distance is smaller than the third distance.

Referring to the foregoing description, the hinge assembly 30 of the present embodiment may be applicable to a built-in cabinet or a scene where a space accommodating the refrigerator 100 is small.

In addition, it should be noted that, the motion track of the door body 20 can be effectively controlled by a specific shaft body groove design, in this embodiment, the case body 10 includes a pivot side P connected to the hinge assembly 30, when the door body 20 is in the opening process, the hinge assembly 30 drives at least the door body 20 to move from the pivot side P toward the accommodating chamber D, so as to avoid interference between the door body 20 and a peripheral cabinet or wall body during the opening process, and the specific design of the shaft body groove can be referred to as the following example.

In an example, the first free section S1 includes an initial position A1 and a stop position A2 that are disposed opposite to each other, and the second free section S2 includes a first section L1, a second section L2, and a third section L3 that are sequentially connected to each other.

Referring to fig. 7 to 10, when the door 20 is in the closed state, the first shaft 311 is located at the initial position A1, the second shaft 312 is located at an end of the first segment L1 away from the second segment L2, and the fourth shaft 322 is located at the limiting segment 4222, so that the switching assembly 40 limits the second hinge member 32.

Referring to fig. 11 to 22, when the door 20 is in the process of opening from the closed state to the first opening angle α1, the first shaft 311 rotates in place at the initial position A1, the second shaft 312 moves in the first section L1 around the first shaft 311, the door 20 rotates in place relative to the case 10, then the second shaft 312 moves in the second section L2 to drive the first shaft 311 to move from the initial position A1 to the stop position A2, the door 20 moves from the pivot side P toward the receiving chamber D, and then the second shaft 312 moves in the third section L3 to drive the first shaft 311 to move from the stop position A2 toward the initial position A1, and the door 20 moves from the receiving chamber D toward the pivot side P.

Specifically, referring to fig. 11 to 14, when the door 20 is in the process of opening from the closed state to the first intermediate opening angle α11, the first shaft 311 rotates in place at the initial position A1, and the second shaft 312 moves in the first section L1 around the first shaft 311, so that the door 20 rotates in place relative to the case 10.

Here, when the door 20 is in the process of opening from the closed state to the first intermediate opening angle α11, the door 20 rotates in place relative to the case 10, that is, the door 20 only rotates without generating displacement in other directions, so that the door 20 cannot be opened normally due to displacement in a certain direction of the door 20 can be effectively avoided.

Referring to fig. 15 to 18, when the door 20 is in the process of being opened from the first intermediate opening angle α11 to the second intermediate opening angle α12, the second shaft 312 moves in the second section L2 to drive the first shaft 311 to move from the initial position A1 to the stop position A2, and the door 20 moves from the pivot side P toward the receiving chamber D.

Here, when the door 20 is in the process of continuing to open from the first intermediate opening angle to the second intermediate opening angle, the door 20 moves toward the side of the accommodating chamber D, that is, the door 20 rotates relative to the case 10 and displaces relative to the case 10 along the first direction X, so that the distance that the door 20 protrudes from the case 10 toward the side far from the accommodating chamber D during rotation is greatly reduced, that is, the displacement of the door 20 along the first direction X counteracts the portion that protrudes from the case 10 along the second direction Y during rotation of the door 20, thereby avoiding interference between the door 20 and the surrounding cabinet or wall during opening, and being suitable for a scene with a small space of the embedded cabinet or accommodating the refrigerator 100.

Here, the first direction X is a direction in which the pivot side P faces the accommodation chamber D, and the second direction Y is a direction in which the accommodation chamber D faces the pivot side P.

Referring to fig. 19 to 22, when the door 20 is in the process of being opened from the second intermediate opening angle α12 to the first opening angle α1, the second shaft 312 moves in the third section L3 to drive the first shaft 311 to move from the stop position A2 toward the initial position A1, and the door 20 moves from the receiving chamber D toward the pivot side P.

Here, when the door 20 is in the process of opening from the second intermediate opening angle to the first opening angle α1, the door 20 moves toward one side of the pivoting side P, that is, the door 20 rotates relative to the case 10 and displaces relative to the case 10 along the second direction Y, so that the door 20 is far away from the case 10 as far as possible, the opening of the case 10 is ensured, and the problem that drawers, racks, and the like in the case 10 cannot be opened due to interference of the door 20 is avoided.

Referring to fig. 23 to 26, when the door 20 is in the process of continuing to open from the first opening angle α1 to the second opening angle α2, the fourth shaft 322 is separated from the limiting segment 4222, and the first shaft 311 and/or the second shaft 312 are limited by the locking segments 4132, 4142, 4152, 4162, so that the switching assembly 40 limits the first hinge member 31.

Referring to fig. 27 to 30, when the door 20 is in the process of continuing to open from the second opening angle α2 to the maximum opening angle α3, the third shaft 321 rotates in situ in the third free section 421, the fourth shaft 322 moves in the fourth free section 4221 around the third shaft 321, and the door 20 continues to rotate in situ relative to the case 10.

It should be understood that the motion track of the refrigerator 100 is not limited to the above description, and in other examples, other forms of motion may be generated between the first hinge member 31 and the switching assembly 40, or other forms of motion may be generated between the second hinge member 32 and the switching assembly 40, so that the refrigerator can adapt to various application scenarios, and may be specific to practical situations.

For example, the door body 20 of the refrigerator 100 is moved toward the receiving chamber D only by the pivoting side P during the opening process to avoid interference of the door body 20 with a surrounding cabinet or wall body or the like during the opening process, or the door body 20 of the refrigerator 100 is moved toward the front end surface 103 away from the cabinet 10 during the opening process to avoid interference of the door body 20 with the door seal, or the door body 20 of the refrigerator 100 is moved toward the pivoting side P only by the receiving chamber D during the opening process to increase the opening degree of the cabinet 10, or the center of gravity of the door body 20 of the refrigerator 100 is moved toward the cabinet 10 during the opening process to avoid toppling of the refrigerator or the like.

In this embodiment, referring to fig. 31 to 33, the hinge assembly 30 further includes a frame 60, the frame 60 is fixed to the periphery of the switching assembly 40, and the frame 60 extends along the first direction to cover the periphery of the switching assembly 40.

Here, the switching unit 40 is sandwiched between the first hinge member 31 and the second hinge member 32, and when the hinge unit 30 is mounted to the refrigerator 100, the switching unit 40 is generally exposed above or below the door 20, which affects the aesthetic appearance, and the main function of the frame 60 in the present embodiment is to form a shield around the periphery of the switching unit 40, so as to improve the overall aesthetic appearance of the hinge unit 30.

In addition, the "the frame 60 extends along the first direction to block the periphery of the switching assembly 40" means that the frame 60 blocks most or all of the periphery of the switching assembly 40, that is, the frame 60 blocks the periphery of the switching assembly 40 as a whole when viewed from the side of the hinge assembly 30, but the switching assembly 40 may still have a partial structure that is not blocked by the frame 60.

In the present embodiment, the frame 60 is an integrally formed structure, which can further improve the overall aesthetic appearance.

The inner contour of the frame 60 is matched with the outer contour of the switching assembly 40, the frame 60 is of a rectangular frame structure with a closed circumference, namely, the frame 60 is of a hollow frame structure, so that a shielding effect can be achieved on the whole periphery of the switching assembly 40, and the attractiveness of the hinge assembly 30 in the whole opening process is guaranteed.

In the present embodiment, the switching assembly 40 includes a first end surface 403 facing the first hinge member 31 and a second end surface 404 facing the second hinge member 32, the frame 60 includes a first frame-shaped end 61 facing the first hinge member 31 and a second frame-shaped end 62 facing the second hinge member 32, and the first frame-shaped end 61 is flush with the first end surface 403 and/or the second frame-shaped end 62 is flush with the second end surface 404, so that the shielding effect of the frame 60 can be improved, and the space among the first hinge member 31, the switching assembly 40 and the second hinge member 32 can be made more compact.

The first end surface 403 of the switching element 40 facing the first hinge member 31 is an end surface of the switching element 40 adjacent to the first hinge member 31, the second end surface 404 of the switching element 40 facing the second hinge member 32 is an end surface of the switching element 40 adjacent to the second hinge member 32, and the first frame-shaped end 61 and the second frame-shaped end 62 are end surfaces formed by thicknesses of the frame 60.

In this embodiment, the bezel 60 includes a bezel outer edge 63 remote from the switching assembly 40, at least a portion of the bezel outer edge 63 being flush with at least a portion of the outer edge of the first hinge member 31 when the hinge assembly 30 is in the closed state.

Here, when the hinge assembly 30 is in the closed state, the rim outer edge 63 of the switching assembly 40 is flush with the outer edge of the first hinge member 31 in an area (i.e., a visually visible area) near the outside of the refrigerator 100, so that the overall aesthetic degree of the refrigerator 100 can be further improved.

In the present embodiment, the hinge assembly 30 further includes a decorative frame 70, and the decorative frame 70 is sleeved on a side of the frame 60 away from the switching assembly 40.

Here, the decorative frame 70 is in a "[" shape, which facilitates the mounting of the decorative frame 70 to the outside of the rim 60.

That is, the decorative frame 70 is not completely wrapped around the frame 60, and the portion not completely wrapped is preferably located in an area that is not exposed during the opening process of the door body 20, and the structure of the decorative frame 70 is not limited to the above description.

It should be noted that, when the decorative frame 70 is combined to the exterior of the bezel 60, when the hinge assembly 30 is in the closed state, at least a portion of the edge of the decorative frame 70 is flush with at least a portion of the outer edge of the first hinge member 31, but not limited thereto.

The decorative frame 70 is connected with the frame 60 through the buckle 71, so that the decorative frame 70 is convenient to mount and dismount.

The frame 60 is made of POM (polyoxymethylene) material, the decorative frame 70 is made of ABS (Acrylonitrile Butadiene Styrene) plastic, and ABS material is easy to color, so that the color of the switching assembly 40 and the refrigerator 100 are unified, and of course, the materials of the frame 60 and the decorative frame 70 are not limited to the above description.

In the present embodiment, the decorative frame 70 includes a first end 72 near the first hinge member 31 and a second end 73 near the second hinge member 32.

The first end 72 of the decorative frame 70 is further away from the first hinge member 31 than the first frame end 61 of the frame 60, so that the decorative frame 70 and the first hinge member 31 are prevented from interfering with each other when the switching assembly 40 rotates relative to the first hinge member 31.

Similarly, the second end 73 of the decorative frame 70 is further away from the second hinge member 32 than the second frame-shaped end 62 of the frame 60, so that the decorative frame 70 and the second hinge member 32 are prevented from interfering with each other when the switching assembly 40 rotates relative to the second hinge member 32.

In this embodiment, referring to fig. 32 and 33, the switching assembly 40 includes a first slide group 401 and a second slide group 402 stacked along a first direction, and the frame 60 is fixedly disposed on the first slide group 401 or the second slide group 402.

Specifically, in the direction of the first hinge member 31 toward the second hinge member 32, the switching assembly 40 sequentially includes a first liner 4011, a first sliding sheet 4012, an intermediate liner 4013, a second sliding sheet 4021 and a second liner 4022, and the frame 60 is fixedly disposed on one of the first liner 4011, the first sliding sheet 4012, the intermediate liner 4013, the second sliding sheet 4021 and the second liner 4022.

The first liner 4011, the first sliding sheet 4012 and the intermediate liner 4013 are sequentially stacked to form a first sliding sheet set 401, the second sliding sheet 4021 and the second liner 4022 are stacked to form a second sliding sheet set 402, but not limited thereto, for example, the first liner 4011 may be stacked with the first sliding sheet 4012 to form the first sliding sheet set 401, and the intermediate liner 4013, the second sliding sheet 4021 and the second liner 4022 may be sequentially stacked to form the second sliding sheet set 402.

In general, the first liner 4011, the intermediate liner 4013, and the second liner 4022 are made of plastic, for example, POM (polyoxymethylene) or the like.

The first sliding piece 4012 and the second sliding piece 4021 are made of metal, for example, stainless steel or Q235 steel.

Here, the first sliding piece 4012 and the second sliding piece 4021 are prevented from being directly contacted and friction-interfered with each other by wrapping the sliding piece made of metal material with the plastic material, and the second sliding piece 4021 is directly contacted with the middle lining 4013 in the first sliding piece set 401, so that the structure of the second sliding piece set 402 can be simplified, and the overall thickness of the switching assembly 40 can be further reduced.

The frame 60 is integrally formed with one of the first liner 4011, the first sliding sheet 4012, the middle liner 4013, the second sliding sheet 4021 and the second liner 4022, so as to improve overall strength and aesthetic appearance, and is convenient to implement, but not limited thereto.

The matching structure of the frame 60 and the first sliding vane set 401 or the second sliding vane set 402 has various forms.

In the first example, referring to fig. 33, the frame 60 is connected to the periphery of the middle lining 4013, and the frame 60 may be made of plastic, but is not limited thereto.

The frame 60 extends toward the first hinge member 31 and the second hinge member 32 respectively to cover most of the peripheral edges of the switching assembly 40, that is, the peripheral edges of the first sliding sheet 4012, the middle lining 4013, the second sliding sheet 4021 and the second lining 4022 are not exposed, the peripheral edge of the first lining 4011 is exposed, and the second sliding sheet set 402 moves relative to the first sliding sheet set 401 in a space defined by the frame 60.

It will be appreciated that in other examples, the bezel 60 may also cover the perimeter of the first patch 4011.

In the second example, the frame 60 is connected to the periphery of the first liner 4011, and the frame 60 may be made of plastic, but is not limited thereto.

The frame 60 extends toward the second hinge member 32 to cover the entire periphery of the switching assembly 40, i.e., the peripheries of the first liner 4011, the first sliding sheet 4012, the middle liner 4013, the second sliding sheet 4021 and the second liner 4022 are not exposed, and the second sliding sheet set 402 moves relative to the first sliding sheet set 401 in a space defined by the frame 60.

In the third example, the frame 60 is connected to the periphery of the first sliding piece 4012, and the frame 60 may be made of metal, but is not limited thereto.

The frame 60 extends toward the second hinge 32 to cover most of the periphery of the switching assembly 40, and the frame 60 does not cover the first sliding sheet 4011, that is, the periphery of the first sliding sheet 4012, the middle sliding sheet 4013, the second sliding sheet 4021 and the second sliding sheet 4022 are not exposed, and the periphery of the first sliding sheet 4011 is exposed, so that the second sliding sheet set 402 moves relative to the first sliding sheet set 401 in a space defined by the frame 60.

In the fourth example, the frame 60 is connected to the periphery of the second sliding piece 4021, and the frame 60 may be made of metal, but is not limited thereto.

The frame 60 extends towards the first hinge member 31 and the second hinge member 32 respectively to cover most of the periphery of the switching assembly 40, and the frame 60 does not cover the first sliding sheet 4011, that is, the periphery of the first sliding sheet 4012, the middle sliding sheet 4013, the second sliding sheet 4021 and the second sliding sheet 4022 are not exposed, and the periphery of the first sliding sheet 4011 is exposed, so that the second sliding sheet set 402 moves relative to the first sliding sheet set 401 in a space formed by surrounding the frame 60.

In the fifth example, the frame 60 is connected to the periphery of the second substrate 4022, and the frame 60 may be made of plastic, but is not limited thereto.

The frame 60 extends toward the first hinge member 31 to cover the entire periphery of the switching assembly 40, i.e., the peripheries of the first liner 4011, the first sliding sheet 4012, the middle liner 4013, the second sliding sheet 4021 and the second liner 4022 are not exposed, and the first sliding sheet set 401 moves relative to the second sliding sheet set 402 in a space defined by the frame 60.

Fig. 34 to 42 are schematic views of a hinge assembly 30a according to a second embodiment.

Here, for convenience of explanation, the same or similar structures in the second embodiment are given the same or similar numbers as those in the first embodiment, and the same is true in other embodiments described below, and the description thereof will not be repeated.

In the second embodiment, the hinge assembly 30a includes a first hinge member 31a provided to the case 10, a second hinge member 32a provided to the door 20, and a switching assembly 40a connecting the first hinge member 31a and the second hinge member 32a, the hinge assembly 30a further includes a cover plate 80a and a frame 60a, the cover plate 80a is located at a side of the switching assembly 40a adjacent to the second hinge member 32a, the frame 60a is connected to the cover plate 80a, and the frame 60a extends along the first direction to shield the periphery of the switching assembly 40 a.

Here, the switching component 40a is sandwiched between the first hinge member 31a and the second hinge member 32a, when the second hinge member 32a moves relative to the switching component 40a, a side of the switching component 40a close to the second hinge member 32a is exposed, and by providing the cover plate 80a, a shielding effect can be achieved on a side of the switching component 40a close to the second hinge member 32a, so that external dust or impurities can be prevented from entering the switching component 40a, and the overall aesthetic appearance can be improved.

It will be appreciated that a cover plate may be provided on the side of the switching assembly 40a adjacent the first hinge member 31a, if desired.

Moreover, when the hinge assembly 30a is mounted to the refrigerator 100, the switching assembly 40a is generally exposed above or below the door body 20, affecting the aesthetic appearance, and the main effect of the frame 60a in the present embodiment is to form a shadow at the periphery of the switching assembly 40a, improving the overall aesthetic appearance of the hinge assembly 30 a.

In addition, "the frame 60a extends along the first direction to block the periphery of the switching assembly 40 a" means that the frame 60a blocks most or all of the periphery of the switching assembly 40a, that is, the frame 60a blocks the periphery of the switching assembly 40a as a whole when viewed from the side of the hinge assembly 30a, but the switching assembly 40a may still have a partial structure that is not blocked by the frame 60 a.

In the present embodiment, the frame 60a is an integrally formed structure, which can further improve the overall aesthetic appearance.

The inner contour of the frame 60a is matched with the outer contour of the switching assembly 40a, and the frame 60a is a rectangular frame structure with a closed circumference, i.e. the frame 60a is approximately a hollow frame structure, so that a shielding effect can be realized on the whole periphery of the switching assembly 40a, and the attractiveness of the hinge assembly 30a in the whole opening process is ensured.

In the present embodiment, the switching component 40a includes the first end surface 403a facing the first hinge member 31a, the frame 60a includes the first frame-shaped end portion 61a facing the first hinge member 31a, and the first frame-shaped end portion 61a is flush with the first end surface 403a, so that the shielding effect of the frame 60a can be improved, and the space among the first hinge member 31a, the switching component 40a and the second hinge member 32a can be made more compact.

In this embodiment, the bezel 60a includes a bezel outer edge 63a remote from the switching assembly 40a, and when the hinge assembly 30a is in the closed state, at least a portion of the bezel outer edge 63a is flush with at least a portion of the outer edge of the first hinge member 31 a.

Here, when the hinge assembly 30a is in the closed state, the rim outer edge 63a of the switching assembly 40a is flush with the outer edge of the first hinge member 31a in an area (i.e., a visually visible area) near the outside of the refrigerator 100, and thus, the overall aesthetic appearance of the refrigerator 100 can be further improved.

In the present embodiment, the hinge assembly 30a further includes a decoration frame 70a, and the decoration frame 70a is sleeved on a side of the frame 60a away from the switching assembly 40 a.

Here, the deco-frame 70a is in a "[ -shape, which facilitates the installation of the deco-frame 70a to the outside of the rim 60 a.

That is, the decorative frame 70a is not completely wrapped around the frame 60a, and the portion not completely wrapped is preferably located in an area that is not exposed during the opening process of the door 20, and the structure of the decorative frame 70a is not limited to the above description.

The decorative frame 70a is connected with the frame 60a through the buckle 71a, so that the decorative frame 70a is convenient to mount and dismount.

The frame 60a is made of POM (polyoxymethylene) material, the decorative frame 70a is made of ABS (Acrylonitrile Butadiene Styrene) plastic, and ABS material is easy to color, so that the color of the switching assembly 40a and the refrigerator 100 are unified, and of course, the materials of the frame 60a and the decorative frame 70a are not limited to the above description.

In the present embodiment, the decorative frame 70a includes a first end 72a near the first hinge member 31a and a second end 73a near the second hinge member 32 a.

The first end 72a of the decorative frame 70a is further away from the first hinge member 31a than the first frame end 61a of the frame 60a, so that the decorative frame 70a and the first hinge member 31a are prevented from interfering with each other when the switching assembly 40a rotates relative to the first hinge member 31 a.

Similarly, the second end 73a of the decorative frame 70a is further away from the second hinge member 32a than the cover 80a, so that the decorative frame 70a and the second hinge member 32a are prevented from interfering with each other when the switching assembly 40a rotates relative to the second hinge member 32 a.

In this embodiment, the cover plate 80a may be integrally formed with the frame 60a, or the cover plate 80a and the frame 60a may be connected by a fastener, a screw, or a rivet, which may be specific according to practical situations.

In addition, the cover plate 80a and/or the bezel 60a connect the switching assembly 40a.

Specifically, referring to fig. 34 to 36, the switching assembly 40a includes a first slide set 401a and a second slide set 402a stacked along a first direction, and the cover plate 80a and/or the frame 60a is fixedly connected to the first slide set 401a, or the cover plate 80a and/or the frame 60a is fixedly connected to the second slide set 402a.

In the direction of the first hinge member 31a toward the second hinge member 32a, the switching assembly 40a sequentially includes a first liner 4011a, a first sliding sheet 4012a, an intermediate liner 4013a, a second sliding sheet 4021a and a second liner 4022a, the cover plate 80a is fixedly connected to one of the first liner 4011a, the first sliding sheet 4012a, the intermediate liner 4013a, the second sliding sheet 4021a and the second liner 4022a, and/or the frame 60a is fixedly connected to one of the first liner 4011a, the first sliding sheet 4012a, the intermediate liner 4013a, the second sliding sheet 4021a and the second liner 4022 a.

The first liner 4011a, the first sliding sheet 4012a and the intermediate liner 4013a are stacked in sequence to form a first sliding sheet set 401a, and the second sliding sheet 4021a and the second liner 4022a are stacked to form a second sliding sheet set 402a, but not limited thereto.

In general, the first liner 4011a, the intermediate liner 4013a, and the second liner 4022a are made of plastic, for example, POM (polyoxymethylene) or the like.

The first sliding piece 4012a and the second sliding piece 4021a are made of metal, for example, stainless steel or Q235 steel.

Here, the first sliding piece 4012a and the second sliding piece 4021a are prevented from being directly contacted and friction-interfered with each other by wrapping the sliding piece made of metal with the plastic material, and the second sliding piece 4021a is directly contacted with the middle lining 4013a in the first sliding piece set 401a, so that the structure of the second sliding piece set 402a can be simplified, and the overall thickness of the switching assembly 40a can be further reduced.

The frame 60a is integrally formed with one of the first liner 4011a, the first sliding sheet 4012a, the middle liner 4013a, the second sliding sheet 4021a and the second liner 4022a, so as to improve overall strength and aesthetic appearance, and is convenient to implement, but not limited thereto.

It is understood that when the first slider group 401a includes the third shaft 321a, the second slider group 402a includes the fourth shaft 322a, and the second hinge member 32a includes the third groove 421a and the fourth groove 422a, the cover plate 80a has the first through hole 84a for the third shaft 321a to pass through and the second through hole 85a for the fourth shaft 322a to pass through.

The matching structure of the cover plate 80a, the frame 60a and the first sliding vane set 401a or the second sliding vane set 402a has various forms.

In the first example, referring to fig. 34 to 36, the frame 60a is connected to the periphery of the middle lining 4013a, and the middle lining 4013a and the cover plate 80a are fixed by bolts 821a, that is, the frame 60a and the cover plate 80a are both fixed to the middle lining 4013, and the frame 60 can be made of plastic material, but is not limited thereto.

One corner of the cover plate 80a is also provided with a limiting post 822a, and the middle lining 4013a and the cover plate 80a can be aligned in advance through the limiting post 822a and then fixed through a screw 821a positioned at other corners or areas.

The frame 60a extends from the cover plate 80a towards the first hinge element 31a and is fixed to the middle lining 4013a, and the frame 60a continues to extend towards the first hinge element 31a to the first sliding sheet 4012a, the frame 60a shields most of the periphery of the switching assembly 40a, the frame 60a does not shield the first lining 4011a, that is, at this time, the periphery of the first sliding sheet 4012a, the middle lining 4013a, the second sliding sheet 4021a and the second lining 4022a are not exposed, and the periphery of the first lining 4011a is exposed, and the second sliding sheet set 402a moves relative to the first sliding sheet set 401a in a space enclosed by the frame 60 a.

It will be appreciated that, in other examples, the frame 60a may also cover the periphery of the first liner 4011a, and of course, the cover plate 80a may also be fixed to the first liner 4011a, the first sliding sheet 4012a, the second sliding sheet 4021a or the second liner 4022a, or the frame 60a may be fixed to the first liner 4011a, the first sliding sheet 4012a, the second sliding sheet 4021a or the second liner 4022 a.

In the second example, referring to fig. 37 to 39, the bezel 60a is integrally formed with the cover plate 80a, and the intermediate lining 4013a is fixed to the cover plate 80a by the bolts 821a, where the bezel 60a is not fixed to the switching assembly 40a, and may not include a decorative frame.

The frame 60a extends from the cover plate 80a toward the first hinge member 31a, the frame 60a covers most of the periphery of the switching assembly 40a, and the frame 60a does not cover the first liner 4011a, that is, the peripheries of the first sliding sheet 4012a, the middle liner 4013a, the second sliding sheet 4021a and the second liner 4022a are not exposed, the periphery of the first liner 4011a is exposed, and the second sliding sheet set 402a moves relative to the first sliding sheet set 401a in a space defined by the frame 60 a.

It will be appreciated that, in other examples, the frame 60a may also cover the periphery of the first liner 4011a, and of course, the cover plate 80a may also be fixed to the first liner 4011a, the first sliding sheet 4012a, the second sliding sheet 4021a or the second liner 4022 a.

In a third example, referring to fig. 40 to 42, the frame 60a is an independent structure, the frame 60a is disposed around the periphery of the cover plate 80a and fixed to the cover plate 80a, and the first sliding piece 4012a is fixed to the frame 60a, where the cover plate 80a is not fixed to the switching assembly 40 a.

The frame 60a extends from the cover plate 80a toward the first hinge member 31a and is fixed to the first sliding sheet 4012a, the frame 60a shields most of the periphery of the switching assembly 40a, and the frame 60a does not shield the first lining 4011a, that is, at this time, the periphery of the first sliding sheet 4012a, the middle lining 4013a, the second sliding sheet 4021a and the second lining 4022a are not exposed, and the periphery of the first lining 4011a is exposed, and the second sliding sheet set 402a moves relative to the first sliding sheet set 401a in a space formed by surrounding the frame 60 a.

It will be appreciated that, in other examples, the frame 60a may also cover the periphery of the first patch 4011a, and of course, the frame 60a may also be fixed to the first patch 4011a, the intermediate patch 4013a, the second sliding sheet 4021a or the second patch 4022 a.

It should be noted that, in other examples, other connection forms may be used among the frame 60a, the cover plate 80a and the switching assembly 40 a.

The hinge assembly 30a of the second embodiment and other descriptions of the refrigerator 100 can refer to the first embodiment and the following embodiments, and will not be described herein.

Fig. 43 to 47 are schematic views of a hinge assembly 30c according to a third embodiment.

In the third embodiment, the hinge assembly 30c includes a first hinge member 31c provided in the case 10, a second hinge member 32c provided in the door 20, and a switching assembly 40c connecting the first hinge member 31c and the second hinge member 32c, and the hinge assembly 30c further includes a cover plate 80c positioned at a side of the switching assembly 40c adjacent to the second hinge member 32c, the cover plate 80c being connected to the switching assembly 40c.

It should be noted that, "the cover 80c is connected to the switching assembly 40c" means that the cover 80c is directly or indirectly connected to the switching assembly 40c.

Here, the switching component 40c is sandwiched between the first hinge member 31c and the second hinge member 32c, and when the second hinge member 32c moves relative to the switching component 40c, a side of the switching component 40c close to the second hinge member 32c is exposed, and by providing the cover plate 80c, a shielding effect can be achieved on a side of the switching component 40c close to the second hinge member 32c, so that external dust or impurities can be prevented from entering the switching component 40c, and the overall aesthetic appearance can be improved.

It will be appreciated that a cover plate may be provided on the side of the switching assembly 40c adjacent the first hinge member 31c, if desired.

In this embodiment, the switching assembly 40c includes a first sliding vane set 401c and a second sliding vane set 402c stacked along a first direction, the cover plate 80c is located at a side of the second sliding vane set 402c away from the first sliding vane set 401c, and the cover plate 80c is fixedly disposed on the first sliding vane set 401c or the second sliding vane set 402c.

Specifically, in the direction of the first hinge member 31c toward the second hinge member 32c, the switching assembly 40c sequentially includes a first liner 4011c, a first sliding sheet 4012c, an intermediate liner 4013c, a second sliding sheet 4021c, and a second liner 4022c, and the cover plate 80c is fixedly connected to one of the first liner 4011c, the first sliding sheet 4012c, the intermediate liner 4013c, the second sliding sheet 4021c, and the second liner 4022 c.

The first liner 4011c, the first sliding sheet 4012c and the intermediate liner 4013c are stacked in sequence to form a first sliding sheet set 401c, and the second sliding sheet 4021c and the second liner 4022c are stacked to form a second sliding sheet set 402c, but not limited thereto.

In general, the first liner 4011c, the intermediate liner 4013c, and the second liner 4022c are made of plastic, for example, POM (polyoxymethylene) or the like.

The first sliding piece 4012c and the second sliding piece 4021c are made of metal, for example, stainless steel or Q235 steel.

Here, the first sliding piece 4012c and the second sliding piece 4021c are prevented from being directly contacted and friction-interfered with each other by wrapping the sliding piece made of metal with the plastic material, and the second sliding piece 4021c is directly contacted with the middle lining 4013c in the first sliding piece set 401c, so that the structure of the second sliding piece set 402c can be simplified, and the overall thickness of the switching assembly 40c can be further reduced.

In the present embodiment, a gap may be provided between the cover plate 80c and the second slider group 402c, or the cover plate 80c contacts the second slider group 402c.

In the present embodiment, the switching unit 40c and the second hinge member 32c are engaged with the grooves 421c and 422c through the shaft bodies 321c and 322c, and the cover plate 80c has the through holes 84c and 85c through which the shaft bodies pass.

Specifically, for example, when the first slider group 401c includes the third shaft 321c, the second slider group 402c includes the fourth shaft 322c, and the second hinge member 32c includes the third groove 421c and the fourth groove 422c, the cover plate 80c has the first through hole 84c through which the third shaft 321c passes and the second through hole 85c through which the fourth shaft 322c passes.

With reference to fig. 45, when the second hinge member 32c is relatively stationary with respect to the second slider group 402c, a portion of the inner contour of the second through hole 85c is in conformity with the inner contour of the fourth limiting segment 4222c of the fourth slot 422 c.

At this time, when the second hinge member 32c is in the locked state, the fourth shaft body 322c is simultaneously located in the fourth limiting segment 4222c and the second through hole 85c, i.e. the second through hole 85c can assist in locking the fourth shaft body 322c.

The inner contour of the second through hole 85c is provided with a bump 851c for limiting the movement of the fourth shaft body 322c, and the bump 851c can further improve the limiting effect on the fourth shaft body 322c.

In addition, the first hinge member 31c has a first shaft body 311c and a second shaft body 312c passing through the first slide group 401c and the second slide group 402c in sequence, and a first yielding groove 86c corresponding to the first shaft body 311c and a second yielding groove 87c corresponding to the second shaft body 312c are provided on a side of the cover plate 80c away from the second hinge member 32 c.

In the first example, referring to fig. 46, when a gap exists between the cover plate 80c and the second slider set 402c, the first slider set 401c has a cavity S for accommodating the second slider set 402c, and the cover plate 80c is fixedly disposed on the first slider set 401c.

That is, the cover plate 80c and the first sliding vane set 401c enclose a cavity S, the second sliding vane set 402c is located in the cavity S, and a gap is formed between the second sliding vane set 402c and the cover plate 80c, and the cover plate 80c contacts the second hinge member 32 c.

At this time, when the gravity of the door 20 acts on the second hinge member 32c, the second hinge member 32c transmits the gravity to the cover plate 80c, and the cover plate 80c sequentially transmits the gravity to the first sliding vane set 401c and the first hinge member 31c, that is, the gravity is not transmitted to the second sliding vane set 402c, and the second sliding vane set 402c can move smoothly in the cavity S relative to the first sliding vane set 401c.

That is, at this time, the cover plate 80c not only plays a role of shielding, but also plays a role of gravity transmission, and the contact area between the cover plate 80c and the second hinge member 32c is larger, so that the cover plate 80c can more stably and efficiently transmit gravity to the first sliding sheet set 401c, and wear of the hinge assembly 30c can be reduced as much as possible, and the hinge assembly 30c can work more smoothly.

It should be noted that, the cover plate 80c may be connected to the first slide 4012c in the first slide group 401c, and since the first slide 4012c is made of metal, the cover plate 80c may be stably supported, and of course, the cover plate 80c may be connected to the first lining 4011c or the intermediate lining 4013c.

When the cover plate 80c contacts the second sliding plate set 402c, the cover plate 80c is fixedly arranged on the first sliding plate set 401c or the second sliding plate set 402c, and at this time, the cover plate 80c plays a role of shielding.

In addition, referring to fig. 47, the cover plate 80c is omitted in fig. 47, the second slide group 402c may have a cavity S for accommodating the first slide group 401c, and the cover plate 80c is fixedly disposed on the second slide group 402c.

That is, the second slider set 402c is formed with a cavity S at a side near the first hinge member 31c, and the second slider set 402c contacts the first hinge member 31c, the first slider set 401c is located in the cavity S, and the cover plate 80c contacts and is fixed to the second hinge member 32 c.

At this time, when the gravity of the door body 20 acts on the second hinge member 32c, the second hinge member 32c transmits the gravity to the cover plate 80c, and the cover plate 80c sequentially transmits the gravity to the second sliding vane set 402c and the first hinge member 31c, that is, the gravity is not transmitted to the first sliding vane set 401c, and the first sliding vane set 401c can move smoothly relative to the second sliding vane set 402c in the cavity S.

That is, at this time, the cover plate 80c not only plays a role of shielding, but also plays a role of gravity transmission, and the contact area between the cover plate 80c and the second hinge member 32c is larger, so that the cover plate 80c can more stably and efficiently transmit gravity to the second sliding vane set 402c, and wear of the hinge assembly 30c can be reduced as much as possible, and the hinge assembly 30c can work more smoothly.

It should be noted that, the cover plate 80c may be connected to the second sliding piece 4021c in the second sliding piece set 402c, and since the second sliding piece 4021c is made of metal, the cover plate 80c may be stably supported, and of course, the cover plate 80c may also be connected to the second lining 4022c.

It should be noted that, in this case, the cover plate 80c may not be provided, and the second hinge member 32c directly contacts the second slider assembly 402c.

The hinge assembly 30c of the third embodiment and other descriptions of the refrigerator 100 can refer to the foregoing embodiment and the following embodiments, and will not be described in detail herein.

Referring to fig. 48 to 50, and the foregoing description, the method of installing the hinge assembly 30 includes the steps of:

fixing the first hinge 31 to the case 10;

fixing the second hinge member 32 and the switching assembly 40 to the door body 20, wherein the switching assembly 40 is located at a side of the second hinge member 32 away from the door body 20;

The case 10 and the door 20 are assembled, and the switching member 40 is engaged with the first hinge member 31.

Here, the second hinge member 32 is fixed to the switching assembly 40 first, so that the gap between the second hinge member 32 and the switching assembly 40 can be effectively controlled, and the gap between the second hinge member 32 and the switching assembly 40 is not increased when the case body 10 and the door body 20 are subsequently assembled, so that the appearance is prevented from being affected by a large flash gap between the second hinge member 32 and the switching assembly 40 after the assembly is completed.

The step of fixing the second hinge member 32 and the switching member 40 to the door body 20 includes:

fixing the cover plate 80 to one side of the switching assembly 40;

the switching assembly 40 to which the cover plate 80 is fixed to the second hinge member 32, and the second hinge member 32 is fixed to the door body 10.

Here, the switching component 40 is sandwiched between the first hinge component 31 and the second hinge component 32, when the second hinge component 32 moves relative to the switching component 40, one side of the switching component 40 close to the second hinge component 32 is exposed, and by providing the cover plate 80, one side of the switching component 40 close to the second hinge component 32 can be shielded, so that external dust or impurities can be prevented from entering the switching component 40, and the overall aesthetic degree can be improved.

placing the shafts 321, 322 of the switching assembly 40 in the through slots 421, 422 of the second hinge member 32, the shafts 321, 322 being located outside the slots 421, 422 away from the protruding ends 325, 326 of the switching assembly 40;

the fixing pieces 423 and 424 are sleeved on the protruding ends 325 and 326 to prevent the switching component 40 from being separated from the second hinge component 32, and fix the second hinge component 32 to the door body 20.

Here, the grooves 421 and 422 penetrate in the vertical direction, at this time, the shafts 321 and 322 extending into the grooves 421 and 422 may protrude from the end surfaces of the grooves 421 and 422 away from the switching assembly 40, the protruding portions are protruding ends 325 and 326, the fixing pieces 423 and 424 are sleeved on the protruding ends 325 and 326, and the fixing pieces 423 and 424 abut against the end surfaces of the grooves 421 and 422, so that the shafts 321 and 322 are prevented from separating from the grooves 421 and 422, and the gap between the second hinge member 32 and the switching assembly 40 can be further effectively controlled.

Specifically, the switching assembly 40 includes a first slider group 401 and a second slider group 402 stacked along a first direction, the shaft bodies 321 and 322 include a third shaft body 321 located in the first slider group 401 and a fourth shaft body 322 located in the second slider group 402, the second hinge member 32 includes a third groove body 421 corresponding to the third shaft body 321 and a fourth groove body 422 corresponding to the fourth shaft body 322, and the cover plate 80 includes a first through hole 84 for the third shaft body 321 to pass through and a second through hole 85 for the fourth shaft body 322 to pass through.

The fixing pieces 423 and 424 include a first fixing piece 423 corresponding to the third shaft body 321 and a second fixing piece 424 corresponding to the fourth shaft body 322, the third shaft body 321 sequentially passes through the first through hole 84 and the third groove body 421 to form a first protruding end 325 protruding out of the third groove body 421, and the first fixing piece 423 is sleeved on the first protruding end 325 to control the relative positions of the third shaft body 321 and the third groove body 421 in the vertical direction.

Similarly, the fourth shaft 322 sequentially passes through the second through hole 85 and the fourth slot 422 to form a second protruding end 326 protruding out of the fourth slot 422, and the second fixing piece 424 is sleeved on the second protruding end 326 to control the relative positions of the fourth shaft 322 and the fourth slot 422 in the vertical direction.

The cover plate 80 and the switching assembly 40 are fixed to each other, and when the relative positions of the third shaft 321 and the third groove 421 in the vertical direction and the relative positions of the fourth shaft 322 and the fourth groove 422 in the vertical direction are controlled, the gap between the cover plate 80 and the second hinge member 32 is controlled, and when the case 10 and the door 20 are assembled later, the gap between the cover plate 80 and the second hinge member 32 is not increased, that is, a flash seam which affects the appearance is not formed among the switching assembly 40, the cover plate 80 and the second hinge member 32.

The foregoing embodiments are only for illustrating the technical aspects of the present invention, but not for limiting the technical aspects, although the present invention has been described in detail with reference to the preferred embodiments, for example, if the techniques in different embodiments can be overlapped to achieve the corresponding effects at the same time, the embodiments are also within the scope of the present invention. It will be understood by those skilled in the art that various modifications and equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. The hinge assembly is characterized by comprising a first hinge piece, a second hinge piece and a switching assembly, wherein the switching assembly is movably connected with the first hinge piece and the second hinge piece, when the second hinge piece is opened in a direction away from the first hinge piece, the second hinge piece and the switching assembly move together relative to the first hinge piece, then the switching assembly and the first hinge piece are relatively static, the second hinge piece moves relative to the switching assembly, the first hinge piece is connected with the switching assembly through a first shaft body group and a first groove body group which are mutually matched, the second hinge piece is connected with the switching assembly through a second shaft body group and a second groove body group which are mutually matched, the hinge assembly further comprises a locking part, when the second hinge piece is opened in a direction away from the first hinge piece, the locking part locks the second hinge piece so that the second hinge piece moves together with the switching assembly relative to the first hinge piece, the second hinge piece moves relative to the first hinge piece, and the second hinge piece moves relative to the first groove body group, and the second hinge piece is relatively static, and the second hinge assembly is mounted in the first groove body group, and the hinge assembly is unlocked, and the hinge assembly is relatively moved, and the hinge assembly is relatively in the first groove body group, and the hinge assembly is unlocked, and the hinge assembly is relatively in the first hinge assembly.

Fixing the first hinge member to the case;

2. The hinge assembly of claim 1, wherein the step of securing the second hinge member and the switching assembly to the door body comprises:

fixing the cover plate to one side of the switching assembly;

3. The hinge assembly of claim 1, wherein the step of securing the second hinge member and the switching assembly to the door body comprises:

4. The hinge assembly of claim 1, wherein the first shaft group includes a first rotation shaft, the second shaft group includes a second rotation shaft, and when the second hinge member is opened in a direction away from the first hinge member, the second hinge member and the switching assembly rotate about the first rotation shaft, and then the second hinge member rotates about the second rotation shaft.

5. The hinge assembly of claim 4, wherein when the first rotation axis is the central axis, a first distance is provided between the first rotation axis and the front end surface of the case, and when the second rotation axis is the central axis, a second distance is provided between the second rotation axis and the front end surface of the case, the second distance being greater than the first distance.

6. The hinge assembly of claim 4, wherein a third distance is provided between the first rotation axis and the outer side of the case when the first rotation axis is the central axis, and a fourth distance is provided between the second rotation axis and the outer side of the case when the second rotation axis is the central axis, the fourth distance being less than the third distance.

7. The hinge assembly of claim 1, wherein the switch assembly includes a first slide set and a second slide set stacked in a first direction, the switch assembly locking the second hinge member when the hinge assembly is in the process of opening from a closed state to a first opening angle, the first slide set, the second slide set, and the second hinge member being relatively stationary and moving together with respect to the first hinge member, the first slide set moving with respect to the second slide set to lock the first hinge member and unlock the second hinge member when the hinge assembly is in the process of continuing to open from a first opening angle to a second opening angle, the first hinge member, the first slide set, and the second slide set moving with respect to the switch assembly, the first direction being the direction in which the first hinge member, the switch assembly, and the second hinge member are stacked.

8. The hinge assembly of claim 7, wherein the first hinge member is connected to the switching assembly by a first set of cooperating shafts and a first set of grooves, and the second hinge member is connected to the switching assembly by a second set of cooperating shafts and a second set of grooves.

9. The hinge assembly of claim 8, wherein the first shaft set comprises a first shaft and a second shaft, the first shaft set comprises a first shaft engaged with the first shaft and a second shaft engaged with the second shaft, the second shaft set comprises a third shaft and a fourth shaft, the second shaft set comprises a third shaft engaged with the third shaft and a fourth shaft engaged with the fourth shaft, the first hinge member comprises the first shaft and the second shaft, the second hinge member comprises the third shaft and the fourth shaft, and the switching assembly comprises the first shaft, the second shaft, the third shaft, and the fourth shaft.

10. The hinge assembly of claim 9, wherein the first slot includes a first upper slot in the first slider group and a first lower slot in the second slider group, the first upper slot including a first upper free section, the first lower slot including a first lower free section, the second slot including a second upper slot in the first slider group and a second lower slot in the second slider group, the second upper slot including a second upper free section, the second lower slot including a second lower free section, the third slot including a third free section, the fourth slot including a fourth free section, the first slot group including a lock section, the second slot group including a limit section, the first slider group being relatively stationary with respect to the second slider group when the hinge assembly is in the process of opening from a closed state to a first open angle, the first upper free section and the first lower free section are overlapped to form a first free section, the second upper free section and the second lower free section are overlapped to form a second free section, the first shaft body moves in the first free section, the second shaft body moves in the second free section, the third shaft body and/or the fourth shaft body is limited in the limiting section so that the switching component limits the second hinge part, when the hinge component is in the process of continuing to open from a first opening angle to a second opening angle, the first sliding sheet group and the second sliding sheet group move relatively so that the second hinge part is separated from the limit of the switching component, and the first shaft body and/or the second shaft body is limited in the locking section so that the switching component limits the first hinge part, when the hinge assembly is in the process of continuing to open from the second opening angle to the maximum opening angle, the third shaft body moves in the third free section, and the fourth shaft body moves in the fourth free section.

11. The hinge assembly of claim 10, wherein the locking section comprises a first upper locking section located in the first upper slot, a first lower locking section located in the first lower slot, a second upper locking section located in the second upper slot, and a second lower locking section located in the second lower slot, the spacing section comprises a fourth spacing section located in the fourth slot, the fourth axis is limited in the fourth spacing section when the hinge assembly is in the process of opening from a closed state to a first opening angle, the first axis is simultaneously limited in the first upper locking section and the first lower locking section when the hinge assembly is in the process of continuing to open from a first opening angle to a second opening angle, the second axis is simultaneously limited in the second upper locking section and the second lower locking section, and the fourth axis is disconnected from the fourth spacing section.

12. The hinge assembly of claim 11, wherein the first upper locking section and the first lower locking section are always offset from each other and the second upper locking section and the second lower locking section are always offset from each other.

13. The hinge assembly of claim 9, wherein the first slider group includes the third shaft extending to the third slot, and the second slider group includes the fourth shaft extending to the fourth slot.

14. A refrigeration device comprising a case, a door, and a hinge assembly connecting the case and the door, wherein the hinge assembly is the hinge assembly of claim 1.

15. The refrigeration unit of claim 14 wherein said housing includes a receiving chamber and a pivoting side to which said hinge assembly is connected, said hinge assembly driving at least said door to move from said pivoting side toward said receiving chamber when said door is in an open condition.