CN114857847A - Hinge assembly and refrigeration equipment with same - Google Patents

Hinge assembly and refrigeration equipment with same Download PDF

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Publication number
CN114857847A
CN114857847A CN202210464834.2A CN202210464834A CN114857847A CN 114857847 A CN114857847 A CN 114857847A CN 202210464834 A CN202210464834 A CN 202210464834A CN 114857847 A CN114857847 A CN 114857847A
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CN
China
Prior art keywords
door
shaft
hinge assembly
door body
opening angle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210464834.2A
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Chinese (zh)
Other versions
CN114857847B (en
Inventor
夏恩品
张�浩
朱小兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Refrigerator Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Refrigerator Co Ltd
Haier Smart Home Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Refrigerator Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Refrigerator Co Ltd
Priority to CN202210464834.2A priority Critical patent/CN114857847B/en
Publication of CN114857847A publication Critical patent/CN114857847A/en
Application granted granted Critical
Publication of CN114857847B publication Critical patent/CN114857847B/en
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Anticipated expiration legal-status Critical

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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00Hinges or pivots of special construction
    • E05D7/08Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions
    • E05D7/081Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions the pivot axis of the wing being situated near one edge of the wing, especially at the top and bottom, e.g. trunnions
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00Construction of single parts, e.g. the parts for attachment
    • E05D5/10Pins, sockets or sleeves; Removable pins
    • E05D5/12Securing pins in sockets, movably or not
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • F25D23/02Doors; Covers
    • F25D23/028Details
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/30Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/31Application of doors, windows, wings or fittings thereof for domestic appliances for refrigerators

Abstract

The invention discloses a hinge assembly and refrigeration equipment with the same. The hinge assembly provided by the invention can avoid the door body from interfering with peripheral cabinets or walls and the like in the opening process, can ensure the opening degree of the box body as much as possible, and can ensure the door body to be opened smoothly.

Description

Hinge assembly and refrigeration equipment with same
Technical Field
The invention relates to the technical field of household appliances, in particular to a hinge assembly and refrigeration equipment with the same.
Background
Generally, refrigerators are freely placed in free space in homes. In recent years, with the progress of society and the improvement of living standard of people, the placement position and the placement mode of the refrigerator at home are more and more emphasized by common users.
In view of the current home decoration style, part of the households pursue style integration, and the refrigerator needs to be put into a cabinet to form a so-called embedded refrigerator device, and the refrigerator is called an embedded refrigerator.
At present, refrigerators all use a single-shaft hinge assembly, a door body performs circular motion around a fixed shaft of the hinge assembly to open and close the door body, and the design of the hinge assembly limits the opening angle of the refrigerator door body under the condition that a gap between an embedded refrigerator or a refrigerator shell and a wall body is small.
In view of the above, there is a need for an improved refrigerator to solve the above problems.
Disclosure of Invention
The invention aims to provide a hinge assembly and refrigeration equipment with the same, which can avoid the door body from interfering with a peripheral cabinet or wall in the opening process.
In order to achieve one of the above objects, an embodiment of the present invention provides a hinge assembly for connecting a cabinet and a door, where the cabinet includes a receiving chamber and a pivoting side connected to the hinge assembly, and when the door is in an opening process, the hinge assembly drives the door to rotate in place relative to the cabinet, and then the hinge assembly drives the door to move from the pivoting side toward the receiving chamber.
As a further improvement of an embodiment of the present invention, the hinge assembly includes a first shaft, a first slot, and a second shaft and a second slot, the first shaft and the first slot are matched with each other, the first shaft is located in one of the box and the door, the first slot is located in the other of the box and the door, the second shaft is located in the other of the box and the door, and the second slot is located in the other of the box and the door.
As a further improvement of one embodiment of the present invention, the first tank body comprises an initial position and a first stop position, the second tank body comprises a first section and a second section which are connected, when the door body is in a closed state, the first shaft body is positioned at the initial position, the second shaft body is positioned at one side of the first section, which is far away from the second section, when the door body is opened from a closed state to a first opening angle, the first shaft body is kept at the initial position, the second shaft body takes the first shaft body as the center of a circle and moves in the first section, when the door body is in the process of continuously opening from the first opening angle to the second opening angle, the second shaft body moves in the second section to drive the first shaft body to move from the initial position to the first stop position, and the door body moves from the pivoting side to the accommodating chamber.
As a further improvement of an embodiment of the present invention, the door body includes a front wall far from the accommodating chamber and a side wall always sandwiched between the front wall and the accommodating chamber, the first slot body is located at the door body, and the first stop position is closer to the side wall and the front wall than the initial position.
As a further improvement of an embodiment of the present invention, the door body includes a front wall far away from the accommodating chamber and a side wall sandwiched between the front wall and the accommodating chamber, a side edge is provided between the front wall and the side wall, the first shaft is located in the box body, a first distance is provided between a center of the first shaft and the side edge, a second distance is provided between the center of the first shaft and the front wall, and a third distance is provided between the center of the first shaft and the side wall, when the door body is in a process of being continuously opened from a first opening angle to a second opening angle, the first distance, the second distance, and the third distance all decrease.
As a further improvement of an embodiment of the present invention, the first shaft and the second shaft are located in the box, and the first groove and the second groove are located in the door.
As a further improvement of an embodiment of the present invention, the second slot further includes a fourth segment connected to the second segment, when the hinge assembly is continuously opened from the second opening angle, the first shaft is kept at the first stop position and the second shaft slides in the fourth segment, so that the door body rotates in situ.
As a further improvement of an embodiment of the present invention, the second slot further includes a transition section and a fourth section connecting the second section, the first slot further includes a pivot position, and a connection line between the first stop position, the initial position and the pivot position is a broken line with an obtuse angle, when the hinge assembly is continuously opened from the second opening angle, the first shaft moves from the first stop position to the pivot position and the second shaft slides in the transition section, and then the first shaft is maintained at the pivot position and the second shaft slides in the fourth section, so that the door body rotates in situ.
As a further improvement of an embodiment of the present invention, the first slot further includes a second stop position, the second slot further includes a third section connected to the second section, when the hinge assembly is in the process of continuously opening from the first opening angle to the second opening angle, the second shaft slides on the third section, the first shaft moves from the first stop position to the second stop position, and the door moves from the accommodating chamber toward the pivoting side.
As a further improvement of an embodiment of the present invention, the first stop position, the initial position, and the second stop position are arranged in this order along an extending direction of the first tank, and the first stop position, the initial position, and the second stop position are located on the same straight line.
As a further improvement of an embodiment of the present invention, the second slot further includes a fourth segment connected to the third segment, when the hinge assembly is continuously opened from the second opening angle, the first shaft is kept at the second stop position and the second shaft slides in the fourth segment, so that the door body rotates in situ.
As a further improvement of an embodiment of the present invention, the second slot further includes a transition section and a fourth section connecting the third section, the first slot further includes a pivot position, and a connection line between the first stop position, the initial position, the second stop position and the pivot position is a broken line having an obtuse angle, when the hinge assembly is continuously opened from the second opening angle, the first shaft moves from the second stop position to the pivot position and the second shaft slides in the transition section, and then the first shaft is maintained at the pivot position and the second shaft slides in the fourth section, and the door body rotates in situ.
As a further improvement of an embodiment of the present invention, a first matching portion is disposed on the door body, a second matching portion is disposed on the box body, when the door body is in a closed state, the first matching portion and the second matching portion are engaged with each other, and when the door body is in a process of opening from the closed state to a first opening angle, the hinge assembly drives the door body to rotate in place relative to the box body to drive the first matching portion to disengage from the second matching portion.
As a further improvement of an embodiment of the present invention, the door body includes a first door body and a second door body that are pivotally connected to the box body and are arranged side by side along a horizontal direction, a vertical beam is movably connected to a side of the first door body close to the second door body, the first matching portion is disposed at the vertical beam, when the door body is in a closed state, the vertical beam extends to the second door body, when the door body is in a process of opening from the closed state to a first opening angle, the vertical beam rotates toward a side close to the accommodating chamber to enable the first door body and the vertical beam to have a first folding angle therebetween, and when the door body is in a process of continuously opening from the first opening angle to a maximum opening angle, the vertical beam and the first door body are kept relatively stationary.
As a further improvement of an embodiment of the present invention, the first engaging portion is a projection projecting upward from the vertical beam, and the second engaging portion is a groove having a notch through which the projection enters or leaves the groove.
In order to achieve one of the above objects, an embodiment of the present invention provides a refrigeration apparatus, including a box body, a door body, and a hinge assembly connecting the box body and the door body, where the hinge assembly is the hinge assembly according to any one of the above technical solutions.
Compared with the prior art, the invention has the beneficial effects that: the hinge assembly provided by the embodiment of the invention can avoid the door body from interfering with a peripheral cabinet or wall body and the like in the opening process, can ensure the opening degree of the box body as much as possible, and can ensure the door body to be opened smoothly.
Drawings
Fig. 1 is a perspective view of a refrigerator according to an embodiment of the present invention;
fig. 2 is a schematic view of a refrigerator in a closed state according to an embodiment of the present invention;
FIG. 3 is a schematic view illustrating the refrigerator according to an embodiment of the present invention being opened to a first opening angle;
FIG. 4 is a schematic view illustrating the refrigerator according to an embodiment of the present invention being opened to a second opening angle;
FIG. 5 is a schematic view illustrating a refrigerator according to an embodiment of the present invention being opened to a third opening angle;
FIG. 6 is a schematic view illustrating a refrigerator according to an embodiment of the present invention opened to a maximum opening angle;
fig. 7 is an overall schematic view of a refrigerator according to another specific example of the present invention;
FIG. 8 is a schematic view of a refrigerator according to another embodiment of the present invention with a omitted structure;
fig. 9 is a rear view (with some elements omitted) of the refrigerator according to an embodiment of the present invention;
FIG. 10 is an exploded view of the first and second mating portions of one embodiment of the present invention;
FIG. 11 is a schematic view of a first hinge assembly according to an embodiment of the present invention;
FIG. 12 is a schematic view of a second hinge assembly according to an embodiment of the present invention;
FIG. 13 is a schematic view of a third hinge assembly according to an embodiment of the present invention;
FIG. 14 is an exploded view of a first hinge assembly in accordance with an embodiment of the present invention;
fig. 15 is a plan view of a refrigerator in a closed state according to an embodiment of the present invention;
FIG. 16 is a perspective view of the hinge assembly of FIG. 15;
FIG. 17 is a plan view illustrating the refrigerator according to the embodiment of the present invention opened to a first opening angle;
FIG. 18 is a perspective view of the hinge assembly of FIG. 17;
FIG. 19 is a top view of the refrigerator according to one embodiment of the present invention opened to a second opening angle;
FIG. 20 is a perspective view of the hinge assembly of FIG. 19;
FIG. 21 is a top view of the refrigerator according to an embodiment of the present invention opened to a third opening angle;
FIG. 22 is a perspective view of the hinge assembly of FIG. 21;
FIG. 23 is a plan view illustrating the refrigerator according to one embodiment of the present invention opened to a maximum opening angle;
fig. 24 is a perspective view of the hinge assembly of fig. 23.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.
In the various drawings of the present invention, some dimensions of structures or portions are exaggerated relative to other structures or portions for convenience of illustration, and thus, are used only to illustrate the basic structure of the subject matter of the present invention.
Also, terms such as "upper," "above," "lower," "below," "left," "right," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms 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 at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Referring to fig. 1 to 6, a refrigerator 100 according to an embodiment of the present invention is schematically illustrated.
The refrigerator 100 includes a cabinet 10, a door 20 to open and close the cabinet 10, and a hinge assembly 30 to connect the cabinet 10 and the door 20.
The cabinet 10 includes a receiving chamber S and a pivoting side P to which the hinge assembly 30 is connected.
Here, the "pivoting side P" is defined as a region where the door body 20 is rotated with respect to the body 10, i.e., a region where the hinge assembly 30 is provided, a direction of the pivoting side P toward the receiving chamber S is defined as a first direction X, and a direction of the receiving chamber S toward the pivoting side P is defined as a second direction Y.
Specifically, when the hinge assemblies 30 are disposed on both left and right sides of the refrigerator 100, the box 10 includes a left pivoting side P1 and a right pivoting side P2, the first direction X is a direction from left to right when the pivoting side P is the left pivoting side P1, the second direction Y is a direction from right to left, the first direction X is a direction from right to left when the pivoting side P is the right pivoting side P2, the second direction Y is a direction from left to right, that is, the actual directions of the first direction X and the second direction Y are different corresponding to different pivoting sides P, and the pivoting side P is the left pivoting side P1 for example in the following description.
Referring to fig. 3, when the door 20 is in the process of being opened from the closed state to the first opening angle α 1, the hinge assembly 30 drives the door 20 to rotate in place relative to the cabinet 10.
Here, when the door 20 is in the process of being opened from the closed state to the first opening angle α 1, the door 20 rotates in place relative to the box 10, that is, the door 20 only rotates without generating displacement in other directions, so that it is effectively avoided that the door 20 cannot be normally opened due to displacement in a certain direction of the door 20, and reference may be specifically made to the following description of specific examples.
Referring to fig. 4, when the door 20 is in the process of continuously opening from the first opening angle α 1 to the second opening angle α 2, the hinge assembly 30 drives the door 20 to move from the pivot side P toward the accommodating chamber S.
Here, when the door 20 is in the process of continuously opening from the first opening angle α 1 to the second opening angle α 2, the door 20 moves toward one side of the accommodating chamber S, that is, at this time, the door 20 both rotates relative to the box 10 and displaces relative to the box 10 along the first direction X, so that the distance that the door 20 protrudes out of the box 10 toward the side away from the accommodating chamber S during the rotation process is greatly reduced, that is, the displacement of the door 20 along the first direction X offsets the portion of the door 20 protruding out of the box 10 along the second direction Y during the rotation process, thereby preventing the door 20 from interfering with peripheral cabinets or walls during the opening process, and being suitable for embedded cabinets or scenes with small space for accommodating the refrigerator 100.
Referring to fig. 5, when the door 20 is in the process of continuously opening from the second opening angle α 2 to the third opening angle α 3, the hinge assembly 30 drives the door 20 to move from the accommodating chamber S toward the pivoting side P.
Here, when the door 20 is in the process of continuously opening from the second opening angle α 2 to the third opening angle α 3, the door 20 moves toward one side of the pivot side P, that is, at this time, the door 20 rotates relative to the box 10 and displaces along the second direction Y relative to the box 10, so that the door 20 can be kept away from the box 10 as far as possible, the opening degree of the box 10 is ensured, and the problem that drawers, racks and the like in the box 10 cannot be opened due to interference of the door 20 is avoided.
Referring to fig. 6, when the door 20 is in the process of continuously opening from the third opening angle α 3 to the maximum opening angle α 4, the hinge assembly 30 drives the door 20 to rotate in place relative to the box 10.
With continued reference to fig. 1 to 6, in a specific example of the present invention, the door 20 is provided with a first engaging portion 21, and the box 10 is provided with a second engaging portion 11.
Referring to fig. 2, when the door 20 is in the closed state, the first engaging portion 21 and the second engaging portion 11 are engaged with each other.
Here, the first engaging portion 21 and the second engaging portion 11 are engaged with each other to close the door 20 and the box 10, and the specific form of the first engaging portion 21 and the second engaging portion 11 may be determined according to actual situations.
Referring to fig. 3, when the door 20 is in the process of being opened from the closed state to the first opening angle α 1, the hinge assembly 30 drives the door 20 to rotate in place relative to the box 10 to drive the first engaging portion 21 to disengage from the second engaging portion 11.
Here, when the door 20 is in the process of being opened from the closed state to the first opening angle α 1, the door 20 rotates in place relative to the box 10, that is, the door 20 only rotates without generating displacement in other directions, so that the phenomenon that the first engaging portion 21 cannot be separated from the second engaging portion 11 due to the displacement in a certain direction of the door 20 can be effectively avoided.
It should be noted that the refrigerator 100 in this example may be a single-door refrigerator having the first and second fitting portions 21 and 11, or a side-by-side refrigerator, a multi-door refrigerator, or the like having the first and second fitting portions 21 and 11.
In other specific examples, the refrigerator 100 may not include the first matching portion 21 and the second matching portion 11, and with reference to fig. 7 and 8, the refrigerator 100 is a side-by-side combination refrigerator 100 ', the refrigerator 100 ' includes two compartments spaced apart from each other by a fixing beam 200 ', the refrigerator 100 ' further includes a first door 201 ' and a second door 202 ' corresponding to the two compartments, respectively, the first door 201 ' and the second door 202 ' are disposed adjacent to each other, when the refrigerator 100 ' is in a closed state, both the first door 201 ' and the second door 202 ' contact the fixing beam 200 ' to achieve sealing, and when the first door 201 ' and/or the second door 202 ' are opened from the closed state to the first opening angle α 1, the first door 201 ' and/or the second door 202 ' rotate in situ relative to the refrigerator body 10 '.
Here, if the first door 201 'generates a displacement in the horizontal direction when being opened, the first door 201' and the second door 202 'may generate mutual interference to cause that the first door 201' and the second door 202 'cannot be normally opened, and the first door 201' and the second door 202 'rotate in situ when the refrigerator 100' of this example is opened, so that the mutual interference between the adjacent first door 201 'and the second door 202' can be effectively avoided.
Of course, the type of the refrigerator 100 is not limited to the above specific examples, and may be determined according to actual circumstances.
Referring to fig. 9 and 10, the door 20 includes a first door 201 and a second door 202 pivotally connected to the cabinet 10 and arranged in parallel in a horizontal direction.
The refrigerator 100 further includes a vertical beam 40 movably connected to one side of the first door 201 close to the second door 202, and the first engaging portion 21 is disposed at the vertical beam 40.
Here, the vertical beam 40 is movably connected to the right side of the first door 201, the vertical beam 40 and the first door 201 can be connected through the return spring 41, and the vertical beam 40 rotates relative to the first door 201 around the vertical axis, in other words, the vertical beam 40 can rotate relative to the first door 201 and be kept at a predetermined position through the action of the return spring 41.
The first fitting portion 21 is a projection 21 projecting upward from the vertical beam 40.
The second matching portion 11 is fixed on the box 10, for example, the second matching portion 11 is a groove 11 on the base 101, the base 101 is fixed on the top of the accommodating chamber S, one end of the groove 11 has a notch 111, the opening direction of the notch 111 faces forward, the protrusion 21 and the groove 11 are both arc-shaped, and the protrusion 21 enters or separates from the groove 11 through the notch 111 to realize mutual spacing and mutual separation of the protrusion 21 and the groove 11.
Of course, it can be understood that the specific structure of the first and second matching portions 21 and 11 is not limited to the above description, that is, the first matching portion 21 is not limited to the protrusion 21 at the vertical beam 40, the second matching portion 11 is not limited to the groove 11 matching with the protrusion 21, and the first and second matching portions 21 and 11 may be the structure matching with other areas of the refrigerator 100.
In the present embodiment, the door 20 further includes a third door 203 and a fourth door 204 pivotally connected to the cabinet 10 and arranged side by side in a horizontal direction, the third door 203 is located below the first door 201, the fourth door 204 is located below the second door 202, and the refrigerator 100 further includes a drawer 50 located below the third door 203 and the fourth door 204.
Here, the accommodating chambers S corresponding to the first door body 201 and the second door body 202 are refrigerating chambers, that is, the refrigerating chambers are of a split door structure; the third door body 203 and the fourth door body 204 respectively correspond to two independent temperature-changing chambers S1; drawer 50 is a freezer drawer.
It should be noted that the refrigerator 100 includes a fixed beam fixed inside the refrigerator body 10 and used for separating the two temperature-changing compartments S1, and the third door body 203 and the fourth door body 204 can cooperate with the fixed beam to achieve sealing, that is, at this time, no vertical beam is required to be arranged at the third door body 203 and the fourth door body 204.
It is understood that the refrigerator 100 of the present embodiment may have other structures, such as a side-by-side refrigerator including only the first door 201 and the second door 202.
In the present embodiment, the hinge assemblies 30 located in different regions of the door bodies 20 have different structures, for example, a first hinge assembly 30a is located between the upper end of the first door body 201 and the cabinet 10, a second hinge assembly 30b is located between the lower end of the first door body 201 and the upper end of the third door body 203 and the cabinet 10, and a third hinge assembly 30c is located between the lower end of the third door body 203 and the cabinet 10, and the hinge assemblies 30 are symmetrically arranged in the left-right direction, that is, the description of the hinge assemblies 30 at the second door body 202 can refer to the description of the first hinge assembly 30a and the second hinge assembly 30b at the first door body 201, and the description of the hinge assemblies 30 at the fourth door body 204 can refer to the description of the second hinge assembly 30b and the third hinge assembly 30c at the third door body 203.
Here, the second hinge module 30b is located between the first door body 201 and the third door body 203, that is, the first door body 201 and the third door body 203 share the second hinge module 30b, and the second hinge module 30b can be processed adaptively.
Specifically, with reference to fig. 11 to 13, fig. 11 is a schematic view of a first hinge assembly 30a, fig. 12 is a schematic view of a second hinge assembly 30b, and fig. 13 is a schematic view of a third hinge assembly 30 c.
Next, the hinge assembly 30 of the present embodiment will be described by taking the first hinge assembly 30a located between the upper end of the first door body 201 and the box body 10 as an example, and the description of the other hinge assemblies can refer to the description of the first hinge assembly 30 a.
Referring to fig. 14 to 24, the hinge assembly 30 (or referred to as a first hinge assembly 30a) includes a first shaft 311, a first slot 321, a second shaft 312 and a second slot 322, wherein the first shaft 311 and the second slot are engaged with each other, the first shaft 311 is located in one of the box 10 and the door 20, the first slot 321 is located in the other of the box 10 and the door 20, the second shaft 312 is located in one of the box 10 and the door 20, and the second slot 322 is located in the other of the box 10 and the door 20.
That is, the distribution of the hinge assembly 30 may include various situations, in the first example, the first shaft 311 and the second shaft 312 are located in the box body 10, and the first slot 321 and the second slot 322 are located in the door body 20; in the second example, the first shaft 311 and the second shaft 312 are located on the door 20, and the first slot 321 and the second slot 322 are located on the box 10; in the third example, the first shaft 311 and the second chute 322 are located in the box 10, and the first chute 321 and the second shaft 312 are located in the door 20; in the fourth example, the first shaft 311 and the second slot 322 are located in the door 20, and the first slot 321 and the second shaft 312 are located in the box 10.
Here, in the first example, the first shaft 311 and the second shaft 312 are located in the box 10, and the first slot 321 and the second slot 322 are located in the door 20.
Specifically, the hinge assembly 30 includes a first hinge member 32 and a second hinge member 31 that are engaged with each other, the first hinge member 32 is located on the door 20, and the second hinge member 31 is located on the box 10.
The first hinge 32 includes a first hinge body 323, and a first slot 321 and a second slot 322 recessed in the first hinge body 323, and the first hinge body 323 is fixed to the door 20 by a screw 324.
The second hinge 31 includes a second hinge body 313, and a first shaft 311 and a second shaft 312 protruding out of the second hinge body 313, and the second hinge body 313 and the box 10 are fixed to each other.
The first slot 321 includes a first stop position a2, a second stop position A3 and an initial position a1 between the first stop position a2 and the second stop position A3 at two ends of the first slot 321, and the second slot 322 includes a first section L1, a second section L2, a third section L3 and a fourth section L4 which are connected in sequence.
In the present embodiment, the box 10 includes an outer side surface 12 adjacent to the hinge assembly 30 and on an extension of a rotation path of the door body 20, the door body 20 includes a front wall 22 far from the accommodating chamber S and a side wall 23 always interposed between the front wall 22 and the accommodating chamber S, and a side edge 24 is provided between the front wall 22 and the side wall 23.
Here, the outer side surface 12 is a left side surface (corresponding to the left pivot side P1) or a right side surface (corresponding to the right pivot side P2) of the casing 10, the different pivot sides P correspond to the different outer side surfaces 12, the front wall 22 is a front surface of the door body 20, and the side wall 23 is a side surface of the door body 20.
Referring to fig. 15 and 16, 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 a side of the first section L1 away from the second section L2, and the protrusion 21 is limited in the groove 11.
Specifically, the protrusion 21 is limited in the groove 11 so that the vertical beam 40 extends to the second door body 202, that is, the vertical beam 40 is attached to the inner side surfaces of the first door body 201 and the second door body 202 at this time, so as to prevent the cold air in the accommodating chamber S from leaking to the outside of the refrigerator 100.
In addition, the outer side surface 12 and the side wall 23 are located on the same plane, which can ensure smoothness in appearance, improve aesthetic appearance, and facilitate installation of the door body 20, but not limited thereto.
Referring to fig. 17 and 18, when the door 20 is in the process of opening from the closed state to the first opening angle α 1, the first shaft 311 is kept at the initial position a1, and the second shaft 312 moves in the first segment L1 around the first shaft 311, at this time, the door 20 rotates in place relative to the box 10 to disengage the protrusion 21 from the groove 11.
Specifically, the protrusion 21 gradually disengages from the groove 11 through the notch 111, and at the same time, the vertical beam 40 rotates toward a side close to the accommodating chamber S to enable the first door body 201 and the vertical beam 40 to have the first folding angle β therebetween.
Here, when the protrusion 21 is completely disengaged from the groove 11, the first folding angle β is preferably maintained at less than 90 degrees to prevent the vertical beam 40 from affecting the opening and closing of the second door body 202.
It should be noted that, because the projection 21 and the groove 11 are in arc-shaped fit, when the door 20 is in the closed state, the projection 21 and the groove 11 are mutually limited in the first direction X or the second direction Y, if the door 20 is displaced along the first direction X or the second direction Y during the process of opening the door 20 to the first opening angle α 1, the projection 21 and the groove 11 will be mutually interfered and jammed, so that the projection 21 cannot be separated from the groove 11, and the door 20 cannot be opened.
In the present embodiment, the door 20 rotates in situ relative to the box 10 during the process of opening the door 20 to the first opening angle α 1, so as to ensure that the door 20 does not displace along the first direction X or the second direction Y during the process, and further ensure that the protrusion 21 can smoothly separate from the groove 11.
Here, the first opening angle is not greater than 10 °, that is, the projection 21 may not be restricted by the groove 11 in the process of opening the door body 20 to about 10 °, and in this case, the projection 21 may be completely separated from the groove 11, or the projection 21 may not interfere with the groove 11 even if it is displaced in the first direction X or the second direction Y.
In addition, if the outer side surface 12 and the side wall 23 are located on the same plane when the door 20 is in the closed state, the side edge 24 will protrude out of the outer side surface 12 along the second direction Y during the rotation process (the protruding distance is generally not more than 3 mm).
Referring to fig. 19 and 20, when the door 20 is in the process of continuously opening from the first opening angle α 1 to the second opening angle α 2, the second shaft 312 moves in the second segment L2 to drive the first shaft 311 to move from the initial position a1 to the first stop position a2, and at this time, the door 20 moves from the accommodating chamber S toward the pivot side P to avoid the door 20 interfering with the surrounding cabinets or walls during the opening process.
Specifically, the vertical beam 40 and the first door 201 are kept relatively stationary, that is, the vertical beam 40 and the first door 201 are kept at the first folding angle β, at this time, when the first door 201 is closed again, the protrusion 21 is inserted into the groove 11 through the notch 111 of the groove 11 and moves along the extending track of the groove 11 to drive the vertical beam 40 to gradually rotate to the fully unfolded state, that is, at this time, the vertical beam 40 is attached to the inner side surfaces of the first door 201 and the second door 202 at the same time.
In addition, the side edge 24 moves to a side of the outer side surface 12 close to the accommodating chamber S, that is, the hinge assembly 30 drives the side edge 24 to move toward the side close to the accommodating chamber S, so that interference with surrounding cabinets or walls and the like due to the fact that the side edge 24 protrudes out of the outer side surface 12 can be avoided during the opening process of the door body 20.
Here, in order to secure the opening degree of the box 10 as much as possible and avoid the problem that the drawer, the rack, and the like in the box 10 cannot be opened due to interference of the door 20, the side edge 24 moves toward the side close to the accommodating chamber S into the plane of the outer side surface 12, and then the hinge assembly 30 drives the side edge 24 to move in the plane and gradually approach the accommodating chamber S.
That is, at this time, on the basis of ensuring that the side edge 24 does not protrude out of the corresponding outer side surface 12, the side edge 24 is as close as possible to the outer side surface 12, so that interference between the door 20 and a peripheral cabinet or wall in the opening process can be avoided, and the opening degree of the box 10 can be ensured as much as possible.
Referring to fig. 21 and 22, when the door 20 is in the process of continuously opening from the second opening angle α 2 to the third opening angle α 3, the second shaft 312 moves in the third segment L3 to drive the first shaft 311 to move from the first stop position a2 to the second stop position A3, and at this time, the door 20 moves from the accommodating chamber S toward the pivot side P to prevent the door 20 from obstructing the opening of the drawers, racks, and the like in the box 10.
Specifically, the vertical beam 40 and the first door body 201 are kept relatively static.
In addition, the lateral edges 24 move in the plane of the outer lateral surface 12 and gradually approach the housing chamber S.
It can be understood that, when the door 20 is in the process of continuing to open from the second opening angle α 2 to the third opening angle α 3, if the door 20 rotates in place relative to the box 10, the side edge 24 gradually moves toward a side close to the accommodating chamber S, and meanwhile, the door 20 gradually moves close to the accommodating chamber S, and the door 20 may obstruct the opening of the drawer, the rack, and the like in the box 10, that is, the opening of the box 10 may be reduced.
The hinge assembly 30 of the present embodiment drives the side edge 24 to move in the plane of the outer side surface 12, so that the door 20 is away from the box 10 as much as possible, the opening degree of the box 10 is ensured, the problem that drawers, racks and the like in the box 10 cannot be opened due to interference of the door 20 is avoided, and the side edge 24 is prevented from protruding out of the outer side surface 12 in the direction away from the accommodating chamber S.
Referring to fig. 23 and 24, when the door 20 is in the process of continuously opening from the third opening angle α 3 to the maximum opening angle α 4, the first shaft 311 is kept at the second stop position a3, and the second shaft 312 moves in the fourth segment L4 around the first shaft 311.
In this case, the lateral edge 24 is always located on the side of the outer lateral surface 12 close to the receiving chamber S.
Here, the second opening angle is not greater than 90 °, the third opening angle is 90 °, and the maximum opening angle is greater than 90 °, that is, in the process of opening the door 20 to 90 °, the door 20 is first displaced along the first direction X to prevent the door 20 from interfering with a peripheral cabinet or wall during the opening process, and then the door 20 is displaced along the second direction Y to prevent the door 20 from obstructing the opening of drawers, racks, and the like in the box 10, and finally, after 90 °, the door 20 rotates in place relative to the box 10 to further open the door 20.
It can be understood that, when the door 20 is opened from the closed state to the first opening angle α 1, because the door 20 rotates in situ relative to the box 10, the door 20 slightly protrudes out of the box 10 toward the side (left side) away from the accommodating chamber S, and when the door 20 is continuously opened from the first opening angle α 1 to the second opening angle α 2, the displacement of the door 20 along the first direction X may offset all portions of the door 20 protruding out of the box 10 along the second direction Y during the whole rotation process, and then when the door 20 is continuously opened from the second opening angle α 2 to the third opening angle α 3, the displacement of the door 20 along the second direction Y may enable the door 20 not to protrude out of the box 10 and ensure the opening degree of the box 10 as much as possible.
In other embodiments, the first slot 321 further includes a pivot position a4 located on a side of the second stop position A3 away from the initial position a1, the second slot 322 further includes a transition section L located between the third section L3 and the fourth section L4, and a line connecting the second stop position A3 and the pivot position a4 is parallel to the transition section L.
The first stop position a2, the initial position a1, and the second stop position A3 are located on a straight line, while the pivot position a4 is not located on the straight line, and the pivot position a4 forms an angle with the straight line.
When the door 20 is in the process of continuously opening from the third opening angle α 3 to the maximum opening angle α 4, the second shaft 312 moves in the transition section L to drive the first shaft 311 to move from the second stop position A3 to the pivot position a4, and then the first shaft 311 is kept at the pivot position a4, and the second shaft 312 moves in the fourth section L4 with the first shaft 311 as a center.
Here, when the door 20 rotates in place relative to the housing 10 and continues to open the door 20, if the first shaft 311 is maintained at the second stop position A3, the door 20 may slide or sway because a parallel portion exists between the fourth segment L and the portion between the first stop position a2 and the second stop position A3.
In the embodiment, when the second shaft 312 moves in the fourth section L4, the first shaft 311 is kept at the pivot position a4 without shaking, so that the problem of side sliding or shaking of the door 20 is solved.
In the present embodiment, a first connection line passing through the side edge 24 of the door body 20 is defined by the center of the first shaft body 311 at the initial position a1, the center of the first shaft body 311 at the first stop position a2, and the center of the first shaft body 311 at the second stop position A3.
The distance between the center and the side edge 24 of the first shaft body 311 at the initial position a1 is greater than the distance between the center and the side edge 24 of the first shaft body 311 at the first stop position a2, and the distance between the center and the side edge 24 of the first shaft body 311 at the initial position a1 is less than the distance between the center and the side edge 24 of the first shaft body 311 at the second stop position A3.
The distance between the center of the first shaft body 311 at the initial position a1 and the front wall 22 is greater than the distance between the center of the first shaft body 311 at the first stop position a2 and the front wall 22, and the distance between the center of the first shaft body 311 at the initial position a1 and the front wall 22 is less than the distance between the center of the first shaft body 311 at the second stop position A3 and the front wall 22.
The distance between the center of the first shaft body 311 and the side wall 23 when the first shaft body 311 is located at the initial position a1 is greater than the distance between the center of the first shaft body 311 and the side wall 23 when the first shaft body 311 is located at the first stop position a2, and the distance between the center of the first shaft body 311 and the side wall 23 when the first shaft body 311 is located at the initial position a1 is less than the distance between the center of the first shaft body 311 and the side wall 23 when the first shaft body 311 is located at the second stop position A3.
A first distance is formed between the center of the first shaft body 311 and the side edge 24, a second distance is formed between the center of the first shaft body 311 and the front wall 22, and a third distance is formed between the center of the first shaft body 311 and the side wall 23, and the first distance, the second distance and the third distance are changed when the door body 20 is opened.
When the door body 20 is in the process of continuously opening from the first opening angle α 1 to the second opening angle α 2, the first distance, the second distance and the third distance all decrease, when the door body 20 is in the process of continuously opening from the second opening angle α 2 to the third opening angle α 3, the first distance, the second distance and the third distance all increase, and when the door body 20 is in the process of continuously opening from the third opening angle α 3 to the maximum opening angle α 4, the first distance, the second distance and the third distance all remain unchanged.
In another embodiment of the present invention, referring to fig. 1 to 24, a refrigerator 100 includes a cabinet 10, a door 20 to open and close the cabinet 10, and a hinge assembly 30 to connect the cabinet 10 and the door 20.
The cabinet 10 includes a receiving chamber S and a pivoting side P to which the hinge assembly 30 is connected.
The hinge assembly 30 comprises a first shaft body 311, a first groove body 321, a second shaft body 312 and a second groove body 322 which are matched with each other, the first groove body 321 comprises a first stop position A2 and a second stop position A3 which are positioned at two ends of the first groove body 321, and an initial position A1 which is positioned between the first stop position A2 and the second stop position A3, and the second groove body 322 comprises a first section L1, a second section L2, a third section L3 and a fourth section L4 which are sequentially connected.
When the door 20 is in the closed state, the first shaft 311 is located at the initial position a1, and the second shaft 312 is located at a side of the first section L1 away from the second section L2.
When the door 20 is in the process of being opened from the closed state to the first opening angle α 1, the first shaft 311 is kept at the initial position a1, and the second shaft 312 moves within the first segment L1 around the first shaft 311.
When the door 20 is in the process of continuing to open from the first opening angle α 1 to the second opening angle α 2, the second shaft 312 moves in the second segment L2 to drive the first shaft 311 to move from the initial position a1 to the first stop position a2, and the door moves from the pivot side P toward the accommodating chamber S.
When the door 20 is in the process of continuing to open from the second opening angle α 2 to the third opening angle α 3, the second shaft 312 moves in the third segment L3 to drive the first shaft 311 to move from the first stop position a1 to the second stop position a 2.
When the door 20 is in the process of continuing to open from the third opening angle α 3 to the maximum opening angle α 4, the first shaft 311 is kept at the second stop position a2, and the second shaft 312 moves in the fourth segment L4 around the first shaft 311.
The embodiment can avoid the door 20 from interfering with the surrounding cabinets or walls during the opening process, and is suitable for the embedded cabinets or the scenes with small space for accommodating the refrigerator 100, and in addition, the door 10 can be ensured to have enough opening degree, and the door 20 can be ensured to be normally opened.
In another embodiment, the door 20 is provided with a first engaging portion 21, and the box 10 is provided with a second engaging portion 11.
When the door 20 is in the closed state, the first engaging portion 21 and the second engaging portion 11 are engaged with each other.
When the door 20 is in the process of opening from the closed state to the first opening angle α 1, the first shaft 311 is kept at the initial position a1, and the second shaft 312 moves within the first segment L1 around the first shaft 311 to drive the first engaging portion 21 to disengage from the second engaging portion 11.
In this way, the first fitting portion 21 can be ensured to be smoothly separated from the second fitting portion 11.
For other descriptions of the present embodiment, reference may be made to the foregoing description, which is not repeated herein.
In summary, the present invention can ensure the first engaging portion 21 to be smoothly separated from the second engaging portion 11 by the matching structure of the first shaft 311, the first groove 321, the second shaft 312, and the second groove 322, and when the refrigerator 100 includes the vertical beam 40, it can be ensured that the convex block 21 on the vertical beam 40 is smoothly separated from the groove 11 on the box body 10 without mutual interference at the initial opening stage of the door body 20, then, in the process that the door body 20 is continuously opened, the door body 20 moves from the pivoting side P toward the accommodating chamber S to avoid the door body 20 from interfering with peripheral cabinets or walls and the like in the opening process, so that the refrigerator is suitable for a scene with a small space for accommodating the embedded cabinet or refrigerator 100, in addition, when the opening angle of the door 20 is larger, the door 20 moves from the receiving chamber S to the pivoting side P to prevent the door 20 from obstructing the opening of the drawer, the rack, and the like in the cabinet 10.
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 used in a superposition manner to achieve the corresponding effects, the embodiments are also within the protection scope of the present invention. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention.

Claims (16)

1. The hinge assembly is used for connecting a box body and a door body and is characterized in that the box body comprises a containing chamber and a pivoting side connected with the hinge assembly, when the door body is in an opening process, the hinge assembly drives the door body to rotate in place relative to the box body, and then the hinge assembly drives the door body to move from the pivoting side to the containing chamber.
2. The hinge assembly of claim 1, comprising a first shaft and a first slot cooperating with each other, and a second shaft and a second slot cooperating with each other, wherein the first shaft is located on one of the door and the compartment, the first slot is located on the other of the door and the compartment, the second shaft is located on the other of the door and the compartment, and the second slot is located on the other of the door and the compartment.
3. The hinge assembly of claim 2, wherein the first slot includes an initial position and a first stop position, the second slot includes a first section and a second section connected to each other, when the door is in a closed state, the first shaft is located at the initial position, the second shaft is located at a side of the first section away from the second section, when the door is opened from the closed state to a first opening angle, the first shaft is maintained at the initial position, the second shaft moves within the first section around the first shaft, and when the door is opened from the first opening angle to a second opening angle, the second shaft moves within the second section to drive the first shaft to move from the initial position to the first stop position, the door body moves from the pivot side toward the accommodation chamber.
4. The hinge assembly of claim 3, wherein the door body comprises a front wall far away from the accommodating chamber and a side wall clamped between the front wall and the accommodating chamber, the first groove body is located on the door body, and the first stop position is close to the side wall and the front wall compared with the initial position.
5. The hinge assembly of claim 3, wherein the door body comprises a front wall far away from the accommodating chamber and a side wall clamped between the front wall and the accommodating chamber, a side edge is arranged between the front wall and the side wall, the first shaft is located in the box body, a first distance is formed between the center of the first shaft and the side edge, a second distance is formed between the center of the first shaft and the front wall, a third distance is formed between the center of the first shaft and the side wall, and when the door body is opened from a first opening angle to a second opening angle, the first distance, the second distance and the third distance are all in a decreasing trend.
6. The hinge assembly of claim 3, wherein the first shaft and the second shaft are located in the box, and the first slot and the second slot are located in the door.
7. The hinge assembly of claim 3, wherein the second slot further comprises a fourth segment connecting the second segment, and when the hinge assembly is further opened by the second opening angle, the first shaft remains in the first stop position and the second shaft slides within the fourth segment, and the door rotates in place.
8. The hinge assembly of claim 3, wherein the second slot further comprises a transition section and a fourth section connecting the second section, the first slot further comprises a pivot position, and a connection line between the first stop position, the initial position and the pivot position is a fold line with an obtuse angle, when the hinge assembly is opened continuously from the second opening angle, the first shaft moves from the first stop position to the pivot position and the second shaft slides in the transition section, and then the first shaft is kept in the pivot position and the second shaft slides in the fourth section, so that the door body rotates in place.
9. The hinge assembly of claim 3, wherein the first slot further comprises a second stop position, the second slot further comprises a third section connected to the second section, when the hinge assembly is in the process of being continuously opened from a first opening angle to a second opening angle, the second shaft slides on the third section, the first shaft moves from the first stop position to the second stop position, and the door moves from the accommodating chamber to the pivoting side.
10. The hinge assembly of claim 9, wherein the first stop position, the initial position, and the second stop position are arranged in sequence along an extending direction of the first slot, and the first stop position, the initial position, and the second stop position are located on a same straight line.
11. The hinge assembly of claim 9, wherein the second slot further comprises a fourth segment connecting the third segment, and wherein when the hinge assembly is further opened by the second opening angle, the first shaft remains at the second stop position and the second shaft slides within the fourth segment, and the door rotates in place.
12. The hinge assembly of claim 9, wherein the second slot further comprises a transition section and a fourth section connecting the third section, the first slot further comprises a pivot position, and a connection line between the first stop position, the initial position, the second stop position and the pivot position is a fold line with an obtuse angle, when the hinge assembly is opened continuously from the second opening angle, the first shaft moves from the second stop position to the pivot position and the second shaft slides in the transition section, and then the first shaft is maintained in the pivot position and the second shaft slides in the fourth section, and the door rotates in place.
13. The hinge assembly of claim 1, wherein the door body is provided with a first mating portion, the box body is provided with a second mating portion, the first mating portion and the second mating portion are engaged with each other when the door body is in a closed state, and when the door body is opened from the closed state to a first opening angle, the hinge assembly drives the door body to rotate in place relative to the box body to drive the first mating portion to be disengaged from the second mating portion.
14. The hinge assembly according to claim 13, wherein the door body comprises a first door body and a second door body which are pivotally connected to the box body and are arranged side by side in a horizontal direction, a vertical beam is movably connected to one side of the first door body close to the second door body, the first matching portion is arranged at the vertical beam, when the door body is in a closed state, the vertical beam extends to the second door body, when the door body is opened from the closed state to a first opening angle, the vertical beam rotates towards one side close to the accommodating chamber to enable a first folding angle to be formed between the first door body and the vertical beam, and when the door body is continuously opened from the first opening angle to a maximum opening angle, the vertical beam and the first door body are kept relatively stationary.
15. The hinge assembly of claim 14, wherein the first engaging portion is a projection projecting upward from the vertical beam, and the second engaging portion is a groove having a notch through which the projection enters or exits the groove.
16. Refrigeration equipment, which is characterized by comprising a box body, a door body and a hinge assembly for connecting the box body and the door body, wherein the hinge assembly is the hinge assembly as claimed in any one of claims 1 to 15.
CN202210464834.2A 2019-07-23 2019-07-23 Hinge assembly and refrigeration equipment with same Active CN114857847B (en)

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CN115682522A (en) * 2021-07-26 2023-02-03 海信(山东)冰箱有限公司 Refrigerator with a door
CN115839585A (en) * 2021-09-18 2023-03-24 海信(山东)冰箱有限公司 Refrigerator with a door

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