Hinge assembly, box body and electrical equipment

Abstract

The present invention relates to a hinge assembly, a box body and an electrical appliance. Among them, a first connecting member and a second connecting member of the hinge assembly are hinged, and the hinged ends of the first connecting member and the second connecting member can move between a first position and a second position on the first connecting member; and when the first object and the second object connected by the hinge assembly are in a closed state, the hinged ends of the first connecting member and the second connecting member are in the first position, and when the first object and the second object connected by the hinge assembly are in an open state, the hinged ends of the first connecting member and the second connecting member are in the second position; a first end of a third connecting member is hinged to the first connecting member, a first end of a fourth connecting member is hinged to the second connecting member, and a second end of the third connecting member and a second end of the fourth connecting member are hinged; the limiting device includes a first limiting portion and a second limiting portion; the first limiting portion is used for limiting the third connecting member; the second limiting portion is used for limiting the second connecting member.

Description

Technical Field

[0001] The present invention relates to the technical field of hinge connections, and in particular to a hinge assembly, a box body, and an electrical appliance. Background Art

[0002] In recent years, for electrical appliances such as refrigerators and ovens, a development trend is that they are required to be flush-mounted into the overall home decoration environment such as the kitchen, without protruding, and the lateral gap is as small as possible. This poses higher requirements on the hinge structures used on the doors of electrical appliances such as refrigerators and ovens. When the existing hinge assemblies are applied to products such as refrigerators, when the door body is opened, the door body will exceed the width of the box body, so that a large gap needs to be reserved on the side of the refrigerator, and the refrigerator cannot be closely attached to the side cabinet or wall body, that is, the refrigerator cannot achieve a flush embedding. Summary of the Invention

[0003] The present invention provides a new hinge assembly, a box body, and an electrical appliance including the hinge assembly, which can solve the technical problem that the hinge assembly in the above-mentioned prior art cannot achieve a flush embedding when applied to products such as refrigerators.

[0004] The hinge assembly provided by the present invention is used to achieve rotational connection and opening and closing between a first object and a second object. The hinge assembly includes a first connecting member, a second connecting member, a third connecting member, a fourth connecting member, and a limiting device. The first connecting member is fixedly arranged on the first object, and the second connecting member is fixedly arranged on the second object. The first connecting member and the second connecting member are hinged, and the hinged ends of the first connecting member and the second connecting member can move between a first position and a second position on the first connecting member. When the first object and the second object are in a closed state, the hinged ends of the first connecting member and the second connecting member are in the first position. When the first object and the second object are in an open state, the hinged ends of the first connecting member and the second connecting member are in the second position. The first end of the third connecting member is hinged to the first connecting member, the first end of the fourth connecting member is hinged to the second connecting member, and the second end of the third connecting member and the second end of the fourth connecting member are hinged. The limiting device includes a first limiting portion and a second limiting portion. The first limiting portion is used to limit the third connecting member so that the third connecting member is fixed relative to the first connecting member. The second limiting portion is used to limit the second connecting member so that the hinged ends of the first connecting member and the second connecting member are fixed in the second position. The hinge assembly is configured as follows: When the first object and the second object are switched from the closed state to the open state, it is divided into a first stage and a second stage. In the first stage, the second connecting member rotates relative to the first connecting member. The first limiting portion is in a state of limiting the third connecting member, so that the third connecting member and the first connecting member are fixed and do not rotate relative to each other. And, through the fourth connecting member acting on the second connecting member, the hinged ends between the second connecting member and the first connecting member move to the second position during the rotation of the second connecting member relative to the first connecting member. In the second stage, the hinged ends between the second connecting member and the first connecting member move to the second position and are limited and fixed in the second position by the second limiting portion. The first limiting portion is disengaged from the third connecting member, so that the third connecting member and the first connecting member move relative to each other.

[0005] In this embodiment, during the process of switching the first object and the second object from the closed state to the open state, in the initial stage of the second connecting member rotating relative to the first connecting member, that is, the first stage, the hinge axis between the second connecting member and the first connecting member moves from the first position to the second position. In this way, during the subsequent rotation of the second connecting member, the second connecting member and the second object installed thereon can not exceed the side surface of the first connecting member and the first object installed thereon. Therefore, for the first connecting member and the first object installed on the first connecting member, there is no need to reserve a large gap on its side surface as the rotation space for the second connecting member and the second object, and there is also no need to protrude the first object and the second object relative to the surrounding environment. Even when the first object and the second object are flush-mounted into the surrounding environment, the normal opening of the second object relative to the first object can be ensured. Moreover, while realizing the flush-mounted function, the internal space of the hinge assembly of the present invention is not occupied by the structural members for realizing the flush-mounted function, and there is extra space inside the hinge assembly for arranging wire harnesses.

[0006] Wherein, a first sliding groove is further provided on the first connecting member, and the first sliding groove extends from the first position to the second position; the hinge end between the first connecting member and the second connecting member is arranged in the first sliding groove.

[0007] In this embodiment, by providing the first sliding groove, it can play a guiding role for the hinge end between the first connecting member and the second connecting member, guiding the hinge end between the first connecting member and the second connecting member to move between the first position and the second position; and the structure set in this way is simple and easy to implement.

[0008] Wherein, a second sliding groove is provided on the first connecting member, a guide rod is provided on the third connecting member, and the guide rod is arranged in the second sliding groove; one end of the second sliding groove corresponds to the position of the guide rod when the first object and the second object connected by the hinge assembly are in the open state.

[0009] In this embodiment, the second sliding groove and the guide rod are used to cooperate with each other to play a guiding role during the rotation of the third connecting member relative to the first connecting member. Moreover, the end parts of the second sliding groove respectively correspond to the positions of the guide rod when the first object and the second object connected by the hinge assembly are in the closed state and the open state. That is to say, when the guide rod slides along the second sliding groove to one end of the second sliding groove, the hinge assembly rotates to switch the first object and the second object to the open state. At this time, the second sliding groove can play a limiting role for the rotation of the third connecting member relative to the first connecting member.

[0010] Wherein, the first limiting part and the second limiting part of the limiting device are of an integral structure or a split structure.

[0011] In this embodiment, the first limiting portion and the second limiting portion can be set as an integral structure or a split structure as needed.

[0012] Wherein, the limiting device is an integral structure and is hinged to the first connecting member; the first limiting portion is a clamping groove, the limiting device has a guiding surface, and the guiding surface is in contact with the clamping groove; the guiding surface faces the hinged end between the first connecting member and the second connecting member; the limiting device is configured to: in the first stage, the hinged end between the first connecting member and the second connecting member contacts and acts on the guiding surface, causing the limiting device to rotate relative to the first connecting member; in the second stage, when the hinged end of the first connecting member and the second connecting member moves to the second position, the hinged end between the first connecting member and the second connecting member enters the clamping groove of the first limiting portion from the guiding surface, and the second limiting portion is disengaged from the third connecting member during the rotation of the limiting device.

[0013] In this embodiment, the first limiting portion and the second limiting portion of the limiting device are set as an integral structure, and their respective limiting functions are realized based on their specific structures.

[0014] Wherein, the hinge assembly further includes a first elastic member, the first elastic member is connected to the limiting device, and acts on the limiting device with its own elastic force, and the direction of the elastic force received by the limiting device is opposite to the direction in which the limiting device rotates under the action of the hinged end between the first connecting member and the second connecting member.

[0015] In this embodiment, by providing the first elastic member, when the hinged end between the first connecting member and the second connecting member slides along the guiding surface to its end, an elastic force can be applied to the limiting device. Under the action of this elastic force, the limiting device can rotate around the hinged end between it and the first connecting member, and the hinged end between the first connecting member and the second connecting member is clamped with the clamping groove serving as the first limiting portion, so as to quickly and accurately limit and fix the hinged end between the first connecting member and the second connecting member.

[0016] Wherein, the hinge assembly further includes a second elastic member, the second elastic member is connected between the third connecting member and the fourth connecting member, and is used to apply a force to the third connecting member and the fourth connecting member to make the angle between them tend to decrease.

[0017] In this embodiment, by providing the second elastic member, it can apply an elastic force to the third connecting member and the fourth connecting member. This elastic force can provide an automatic closing assistance during the process of the first object and the second object connected by the hinge assembly switching from the open state to the closed state, making the hinge assembly more labor-saving when closing.

[0018] Among them, a first wire threading hole is provided on the first connecting member, a second wire threading hole is provided on the second connecting member, and an intermediate wire threading hole is provided on the third connecting member and / or the fourth connecting member.

[0019] In this embodiment, the internal space of the hinge assembly is not occupied by the structural members for implementing the flush embedding function, and there is extra space inside the hinge assembly. This space can be used for the layout of the wire harness. Specifically, the wire harness can pass through the first wire threading hole, the intermediate wire threading hole, and the second wire threading hole respectively. In this way, the first object connected by the first connecting member and the second object connected by the second connecting member can communicate through the wire harness to achieve various functions of signal acquisition, transmission, and control. By routing the wire harness through the above-mentioned first wire threading hole, intermediate wire threading hole, and second wire threading hole, the purpose of hiding the wire harness can also be achieved, making the wire harness not exposed, which will be more beautiful. Moreover, the above-mentioned first wire threading hole, intermediate wire threading hole, and second wire threading hole are formed on the hinge assembly, without the need for other additional structures for wire routing, and the cost can be lower.

[0020] The box body provided by the present invention includes a box main body, a door body, and the above-mentioned hinge assembly; the box main body is provided with an inner cavity space and an opening communicating with the inner cavity space, and the door body is used to cover the opening of the box main body; the first connecting member of the hinge assembly is provided on the box main body, and the second connecting member of the hinge assembly is provided on the door body.

[0021] The electrical equipment provided by the present invention includes the above-mentioned box body.

[0022] The above-mentioned hinge assembly, box body, and electrical equipment provided by the present invention have the following advantages compared with the prior art:

[0023] For the hinge assembly, box body, and electrical equipment provided by the present invention, during the process of the first object and the second object connected by the hinge assembly switching from the closed state to the open state, in the initial stage of the second connecting member rotating relative to the first connecting member, that is, the first stage, the hinge axis between the second connecting member and the first connecting member moves from the first position to the second position. In this way, during the subsequent continuous rotation of the second connecting member, the second connecting member and the second object installed thereon can not exceed the side surface of the first connecting member and the first object installed thereon. Therefore, for the first connecting member and the first object installed on the first connecting member, there is no need to reserve a large gap on its side surface as the rotation space for the second connecting member and the second object, and there is also no need to make the first object and the second object protrude relative to the surrounding environment. Even when the first object and the second object are flush embedded in the surrounding environment, the normal opening of the second object relative to the first object can be ensured. Description of the Drawings

[0024] The accompanying drawings here are incorporated into the specification and form a part of this specification, showing embodiments consistent with the present invention and, together with the specification, are used to explain the principles of the present invention.

[0025] To more clearly illustrate the technical solutions in the embodiments of the present invention or in the prior art, the accompanying drawings required for use in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those of ordinary skill in the art, other accompanying drawings can also be obtained based on these accompanying drawings without creative efforts.

[0026] Figure 1 Schematic diagram of the exploded structure of the hinge assembly in the embodiment of the present invention;

[0027] Figure 2 Schematic diagram of the structure of the hinge assembly applied to the box body in the embodiment of the present invention;

[0028] Figure 3 For Figure 2 Exploded schematic diagram of the structure shown;

[0029] Figure 4 Schematic diagram of the first stage when the hinge assembly in the embodiment of the present invention switches from the closed state to the open state between the first object and the second object;

[0030] Figure 5 For Figure 4 Internal schematic diagram of the structure;

[0031] Figure 6 Schematic diagram of the second stage when the hinge assembly in the embodiment of the present invention switches from the closed state to the open state between the first object and the second object;

[0032] Figure 7 For Figure 6 Internal schematic diagram of the structure.

[0033] In the figure:

[0034] 10 - box main body;

[0035] 11 - door body;

[0036] 20 - hinge assembly;

[0037] 201 - first connecting member; 2011 - first wire passing hole; 2012 - first sliding groove; 2013 - second sliding groove;

[0038] 202 - second connecting member; 2021 - second wire passing hole;

[0039] 203 - third connecting member; 2031 - middle wire passing hole; 2032 - guide rod;

[0040] 204 - Fourth connecting member;

[0041] 205 - Limiting device; 2051 - First limiting portion; 2052 - Second limiting portion; 2053 - Guiding surface;

[0042] 206 - Second elastic member. Specific embodiments

[0043] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts fall within the scope of protection of the present invention.

[0044] The embodiments of the hinge assembly, the box body, and the electrical appliance provided by the present invention will be described below with reference to the accompanying drawings.

[0045] In an embodiment of the hinge assembly of the present invention, as Figures 1 to 7 shown, the hinge assembly 20 is used to achieve rotational connection and opening and closing between the first object and the second object. The first object and the second object can specifically be the box body 10 and the door body 11 of the box body. The hinge assembly 20 is connected between the box body 10 and the door body 11. The door body 11 rotates relative to the box body 10 with the hinge assembly 20 as the rotation axis and realizes opening and closing relative to the box body 10 during the rotation process. The box body 10 and the door body 11 connected by the hinge assembly 20 can be, for example, the box body and the door body of a refrigerator, an oven, a dishwasher, etc.

[0046] The hinge assembly 20 includes a first connecting member 201, a second connecting member 202, a third connecting member 203, a fourth connecting member 204, and a limiting device 205. The first connecting member 201 is used for being fixedly arranged on the first object, and the second connecting member 202 is used for being fixedly arranged on the second object; the first connecting member 201 and the second connecting member 202 are hinged, and the hinged ends of the first connecting member 201 and the second connecting member 202 can move between a first position A and a second position B on the first connecting member 201; and when the first object and the second object (the box body 10 and the door body 11) are in a closed state, the hinged ends of the first connecting member 201 and the second connecting member 202 are in the first position A, and when the first object and the second object (the box body 10 and the door body 11) are in an open state, the hinged ends of the first connecting member 201 and the second connecting member 202 are in the second position B. The first end of the third connecting member 203 is hinged to the first connecting member 201, the first end of the fourth connecting member 204 is hinged to the second connecting member 202, and the second end of the third connecting member 203 and the second end of the fourth connecting member 204 are hinged. The limiting device 205 includes a first limiting portion 2051 and a second limiting portion 2052; the first limiting portion 2051 is used for limiting the third connecting member 203 so that the third connecting member 203 is in a fixed state relative to the first connecting member 201; the second limiting portion 2052 is used for limiting the second connecting member 202 so that the hinged ends of the first connecting member 201 and the second connecting member 202 are fixed at the second position B. The hinge assembly 20 is configured to: when the first object and the second object (the box body 10 and the door body 11) are switched from the closed state to the open state, it is divided into a first stage and a second stage; in the first stage, the second connecting member 202 and the first connecting member 201 rotate relative to each other; the first limiting portion 2051 is in a state of limiting the third connecting member 203, so that the third connecting member 203 and the first connecting member 201 are fixed and do not rotate relative to each other; and, through the fourth connecting member 204 acting on the second connecting member 202, the hinged ends between the second connecting member 202 and the first connecting member 201 move towards the second position B during the rotation of the second connecting member 202 relative to the first connecting member 201; in the second stage, the hinged ends between the second connecting member 202 and the first connecting member 201 move to the second position B and are limited and fixed at the second position B by the second limiting portion 2052; the first limiting portion 2051 is in a state of disengaging from the third connecting member 203, so that the third connecting member 203 and the first connecting member 201 move relative to each other.

[0047] When the first object and the second object are rotatably connected through the hinge assembly 20, in the first object and the second object, one of them can be fixed and the other can rotate; or both can rotate. In this embodiment, taking the first object as fixed and the second object as rotating as an example for description and illustration, corresponding to the hinge assembly 20, its first connecting member 201 is fixed and the second connecting member 202 rotates.

[0048] In this embodiment, when the first object and the second object (the box body 10 and the door body 11) are switched from the closed state to the open state, the process is generally as follows:

[0049] In the first stage, a force is applied to the second connecting member 202 to cause relative rotation between the first connecting member 201 and the second connecting member 202. The relative rotation between the first connecting member 201 and the second connecting member 202 takes the hinge end a between the two as the rotation axis.

[0050] During the relative rotation between the first connecting member 201 and the second connecting member 202, the third connecting member 203 is limited by the second limiting portion 2052 of the limiting device 205 and is in a fixed state relative to the first connecting member 201. That is to say, at this time, the third connecting member 203 is fixed and does not rotate relative to the first connecting member 201. In this case, the second connecting member 202 is affected by the fourth connecting member 204 connected thereto. Under the pressing of the fourth connecting member 204, the second connecting member 202 will also rotate relative to the hinge end b between the fourth connecting member 204 and the second connecting member 202 as the axis. Under this rotational action, the hinge end a between the second connecting member 202 and the first connecting member 201 will change its position and move from the first position A to the second position B. In the above process, the fourth connecting member 204 will also rotate slightly around the hinge end c between the fourth connecting member 204 and the third connecting member 203 as the axis.

[0051] When approaching the end of the first stage and at the start of the second stage, the hinge end a between the second connecting member 202 and the first connecting member 201 moves to the second position B. At this time, the first limiting portion 2051 of the limiting device 205 limits the hinge end a between the second connecting member 202 and the first connecting member 201, fixing the hinge end a between the second connecting member 202 and the first connecting member 201 at the second position B. Meanwhile, the second limiting portion 2052 of the limiting device 205 releases the limit on the third connecting member 203, and the third connecting member 203 is in a rotatable state relative to the first connecting member 201. At this time, the acting force applied to the second connecting member 202 causes the second connecting member 202 to continue rotating around the hinge end a between the second connecting member 202 and the first connecting member 201. The fourth connecting member 204 connected to the second connecting member 202 will be driven to rotate outward, and further drive the third connecting member 203 connected to the fourth connecting member 204 to rotate around the hinge end e between the third connecting member 203 and the first connecting member 201 until it rotates to the fully open state.

[0052] During the process of switching the first object and the second object (the box body 10 and the door body 11) connected by the hinge assembly 20 from the closed state to the open state, in the initial stage when the second connecting member 202 rotates relative to the first connecting member 201, that is, in the first stage, the hinge axis a between the second connecting member 202 and the first connecting member 201 moves from the first position A to the second position B. In this way, during the subsequent continuous rotation of the second connecting member 202, the second connecting member 202 and the second object installed thereon can not exceed the side surface of the first connecting member 201 and the first object installed thereon. Thus, for the first connecting member 201 and the first object installed on the first connecting member 201, there is no need to reserve a large gap on its side surface as the rotation space for the second connecting member 202 and the second object, nor is it necessary to make the first object and the second object protrude relative to the surrounding environment. In the case where the first object and the second object are flush-mounted into the surrounding environment, it can also ensure the normal opening of the second object relative to the first object.

[0053] The process of switching the first object and the second object (the box body 10 and the door body 11) connected by the hinge assembly from the open state to the closed state is opposite to the above process and will not be elaborated here.

[0054] In an embodiment of the hinge assembly, a first sliding groove 2012 is further provided on the first connecting member 201. The first sliding groove 2012 extends from the first position A to the second position B. The hinge end between the first connecting member 201 and the second connecting member 202 is arranged in the first sliding groove 2012.

[0055] In this embodiment, by providing the first sliding groove 2012, it can play a guiding role for the hinged end between the first connecting member 201 and the second connecting member 202, guiding the hinged end between the first connecting member 201 and the second connecting member 202 to move between the first position A and the second position B. Moreover, the structure arranged in this way is simple and easy to implement. The hinged end between the first connecting member 201 and the second connecting member 202 can be arranged in the form of a shaft rod, and one end of the shaft rod can be inserted into the first sliding groove 2012.

[0056] In one embodiment of the hinge assembly, a second sliding groove 2013 is provided on the first connecting member 201, and a guide rod 2032 is provided on the third connecting member 203. The guide rod 2032 is arranged in the second sliding groove 2013; one end of the second sliding groove 2013 corresponds to the position of the guide rod 2032 when the first object and the second object connected by the hinge assembly 20 are in the open state.

[0057] In this embodiment, the second sliding groove 2013 and the guide rod 2032 are used to cooperate with each other to play a guiding role during the rotation of the third connecting member 203 relative to the first connecting member 201. Moreover, the end portions of the second sliding groove 2013 respectively correspond to the positions of the guide rod 2032 when the first object and the second object connected by the hinge assembly 20 are in the closed state and the open state. That is to say, when the guide rod 2032 slides along the second sliding groove 2013 to one end of the second sliding groove 2013, the hinge assembly 20 rotates to switch the first object and the second object to the open state. At this time, the second sliding groove 2013 can play a limiting role for the rotation of the third connecting member 203 relative to the first connecting member 201.

[0058] In one embodiment of the hinge assembly, the first limiting portion 2051 and the second limiting portion 2052 of the limiting device 205 are of an integral structure or a split structure.

[0059] In this embodiment, when the first limiting portion 2051 and the second limiting portion 2052 are of a split structure, the limiting of the second connecting member 202 by the first limiting portion 2051 and the limiting of the third connecting member 203 by the second limiting portion 2052 need to be controlled separately, such as through mechanical control or through electrical signals. At this time, its structure will be relatively complex.

[0060] When the first limiting portion 2051 and the second limiting portion 2052 are of an integral structure, they have a linkage relationship and only need to be controlled as a whole, such as through mechanical control or through electrical signals.

[0061] In a specific embodiment, the limiting device 205 is of an integral structure and is hinged to the first connecting member 201; the first limiting portion 2051 is a clamping groove, and the limiting device 205 has a guiding surface 2053, and the guiding surface 2053 is connected to the clamping groove; the guiding surface 2053 faces the hinged end between the first connecting member 201 and the second connecting member 202. The limiting device 205 is configured as follows: in the first stage, the hinged end between the first connecting member 201 and the second connecting member 202 contacts and acts on the guiding surface 2053, causing the limiting device 205 to rotate relative to the first connecting member 201; in the second stage, when the hinged end of the first connecting member 201 and the second connecting member 202 moves to the second position B, the hinged end between the first connecting member 201 and the second connecting member 202 enters the clamping groove of the first limiting portion 2051 from the guiding surface 2053, and the second limiting portion 2052 is disengaged from the third connecting member 203 during the rotation of the limiting device 205.

[0062] In this embodiment, mechanical control is performed on the first limiting portion 2051 and the second limiting portion 2052 of the limiting device 205, so that the first limiting portion 2051 and the second limiting portion 2052 respectively limit the second connecting member 202 and the third connecting member 203. Specifically, by means of the guiding surface 2053, the guiding surface 2053 contacts the hinged end a between the first connecting member 201 and the second connecting member 202 during the movement of the hinged end a between the first connecting member 201 and the second connecting member 202 from the first position A to the second position B, and the hinged end a between the first connecting member 201 and the second connecting member 202 slides along the guiding surface 2053. Driven by the hinged end a between the first connecting member 201 and the second connecting member 202, the limiting device 205 rotates around the hinged end d between it and the first connecting member 201 as the axis.

[0063] When the hinged end a between the first connecting member 201 and the second connecting member 202 moves to the second position B, the hinged end a between the first connecting member 201 and the second connecting member 202 also moves to the end of the guiding surface 2053 and then slides into the clamping groove adjacent to the guiding surface 2053, and the hinged end a between the first connecting member 201 and the second connecting member 202 is thus limited and fixed by the first limiting portion 2051. At the same time, the rotation of the limiting device 205 causes the second limiting portion 2052 to be disengaged from the third connecting member 203, and the third connecting member 203 in the non-limited state can rotate relative to the first connecting member 201.

[0064] In a further embodiment, the hinge assembly 20 further includes a first elastic member, which is connected to the limiting device 205 and acts on the limiting device 205 with its own elastic force. The direction of the elastic force received by the limiting device 205 is opposite to the direction in which the limiting device 205 rotates under the action of the hinge end between the first connecting member 201 and the second connecting member 202.

[0065] In this embodiment, by providing the first elastic member, when the hinge end a between the first connecting member 201 and the second connecting member 202 slides to the end along the guiding surface 2053, an elastic force can be applied to the limiting device 205. Under the action of this elastic force, the limiting device 205 can rotate around the hinge end d between it and the first connecting member 201, and engage the hinge end a between the first connecting member 201 and the second connecting member 202 with the card slot serving as the first limiting portion 2051, so as to quickly and accurately limit and fix the hinge end a between the first connecting member 201 and the second connecting member 202.

[0066] In an embodiment of the hinge assembly, the hinge assembly 20 further includes a second elastic member 206, which is connected between the third connecting member 203 and the fourth connecting member 204 and is used to apply a force to the third connecting member 203 and the fourth connecting member 204 to make the angle between them tend to decrease.

[0067] In this embodiment, by providing the second elastic member 206, it can apply an elastic acting force to the third connecting member 203 and the fourth connecting member 204. This elastic acting force can provide an assisting force for automatic closing during the process of the first object and the second object connected by the hinge assembly 20 switching from the open state to the closed state, making the hinge assembly 20 more labor-saving when closing.

[0068] In an embodiment of the hinge assembly, a first wire passing hole 2011 is provided on the first connecting member 201, a second wire passing hole 2021 is provided on the second connecting member 202, and an intermediate wire passing hole is provided on the third connecting member 203 and / or the fourth connecting member 204.

[0069] In Figure 7 In the structure shown, an intermediate wire passing hole 2031 is provided on the third connecting member 203, and no intermediate wire passing hole is provided on the fourth connecting member 204.

[0070] In this embodiment, the internal space of the hinge assembly 20 is not occupied by the structural members for implementing the flush embedding function, and there is extra space inside the hinge assembly 20. This space can be used for the layout of wire harnesses. Specifically, the wire harnesses can pass through the first wire passing holes 2011, the middle wire passing holes, and the second wire passing holes 2021 respectively. In this way, the first object connected by the first connecting member 201 and the second object connected by the second connecting member 202 can communicate via the wire harnesses to implement various functions of signal acquisition, transmission, and control. By routing the wire harnesses through the above-mentioned first wire passing holes 2011, the middle wire passing holes, and the second wire passing holes 2021, the purpose of hiding the wire harnesses can also be achieved, making the wire harnesses not exposed, which will be more aesthetically pleasing. Moreover, the above-mentioned first wire passing holes 2011, the middle wire passing holes, and the second wire passing holes 2021 are formed on the hinge assembly 20, and no other additional structures for wire routing are required, so the cost can be lower.

[0071] In summary, for the hinge assembly in the above embodiment of the present invention, during the process of the first object and the second object switching from the closed state to the open state, in the initial stage of the second connecting member 202 rotating relative to the first connecting member 201, that is, in the first stage, the hinge axis a between the second connecting member 202 and the first connecting member 201 moves from the first position A to the second position B. In this way, during the subsequent continuous rotation of the second connecting member 202, the second connecting member 202 and the second object mounted thereon can not exceed the side surfaces of the first connecting member 201 and the first object mounted thereon. Therefore, for the first connecting member 201 and the first object mounted on the first connecting member 201, there is no need to reserve a large gap on the side surface as the rotation space for the second connecting member 202 and the second object, nor is it necessary to protrude the first object and the second object relative to the surrounding environment. In the case where the first object and the second object are flush embedded in the surrounding environment, the normal opening of the second object relative to the first object can also be ensured. And, while implementing the flush embedding function, the internal space of the hinge assembly of the present invention is not occupied by the structural members for implementing the flush embedding function, and there is extra space inside the hinge assembly for the layout of wire harnesses.

[0072] In an embodiment of the box body of the present invention, the box body includes a box main body 10, a door body 11, and the hinge assembly 20 described in the above embodiment. The box main body 10 is provided with an inner cavity space and an opening communicating with the inner cavity space, and the door body 11 is used to cover the opening of the box main body 10; the first connecting member 201 of the hinge assembly 20 is provided on the box main body 10, and the second connecting member 202 of the hinge assembly 20 is provided on the door body 11.

[0073] The box body in the embodiment of the present invention includes the above hinge assembly. When the box body 10 and the door 11 are rotated to open or rotated to close, the hinge axis between the first connecting member 201 and the second connecting member 202 of the hinge assembly 20, that is, the hinge axis for the door 11 to rotate relative to the box body 10, will move between the first position A and the second position B. Through the above movement, the door 11 can not exceed the side surface of the box body 10 when rotating to open, so that there is no need to reserve a large gap on the side surface of the box body 10, and there is no need to protrude relative to the surroundings. Thus, the flat embedding of the box body can be realized and the gap between the side surface and the surroundings can be reduced, making the box body more integrated with the surrounding environment and having a more integrated effect.

[0074] In an embodiment of the electrical equipment of the present invention, the electrical equipment includes the box body described in the above embodiment.

[0075] In this embodiment, the electrical equipment may include, for example, equipment such as a refrigerator, an oven, a dishwasher, etc.

[0076] The electrical equipment in the embodiment of the present invention includes the above box body, and of course has the same beneficial effects as the above box body, which will not be elaborated here.

[0077] It should be noted that in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising one..." does not exclude the existence of additional identical elements in the process, method, article or device comprising the element.

[0078] The above description is only the specific implementation manners of the present invention, enabling those skilled in the art to understand or implement the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to these embodiments shown herein, but rather to the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A hinge assembly for achieving a rotational connection and the opening and closing of a first object and a second object between the first object and the second object, characterized in that, The hinge assembly includes a first connecting member, a second connecting member, a third connecting member, a fourth connecting member, and a limiting device; The first connecting member is used to be fixedly arranged on the first object, and the second connecting member is used to be fixedly arranged on the second object; the first connecting member and the second connecting member are hinged, and the hinged end of the first connecting member and the second connecting member can move between a first position and a second position on the first connecting member; and when the first object and the second object are in a closed state, the hinged end of the first connecting member and the second connecting member is in the first position, and when the first object and the second object are in an open state, the hinged end of the first connecting member and the second connecting member is in the second position; The first end of the third connecting member is hinged to the first connecting member, the first end of the fourth connecting member is hinged to the second connecting member, and the second ends of the third connecting member and the fourth connecting member are hinged; The limiting device includes a first limiting portion and a second limiting portion; the first limiting portion is used to limit the third connecting member so that the third connecting member is in a fixed state relative to the first connecting member; the second limiting portion is used to limit the second connecting member so that the hinged end of the first connecting member and the second connecting member is fixed in the second position; The hinge assembly is configured as: When the first object and the second object are switched from the closed state to the open state, it is divided into a first stage and a second stage; in the first stage, the second connecting member and the first connecting member rotate relative to each other; the first limiting portion is in a state of limiting the third connecting member, so that the third connecting member and the first connecting member are fixed and do not rotate relative to each other; and, through the fourth connecting member acting on the second connecting member, the hinged end between the second connecting member and the first connecting member moves to the second position during the rotation of the second connecting member relative to the first connecting member; in the second stage, the hinged end between the second connecting member and the first connecting member moves to the second position and is limited and fixed in the second position by the second limiting portion; the first limiting portion and the third connecting member are in a state of being disengaged from the limit, so that the third connecting member and the first connecting member move relative to each other.

2. The hinge assembly according to claim 1, characterized in that, A first sliding groove is further provided on the first connecting member, and the first sliding groove extends from the first position to the second position; The hinged end between the first connecting member and the second connecting member is arranged in the first sliding groove.

3. The hinge assembly according to claim 1, characterized in that, A second sliding groove is provided on the first connecting member, and a guide rod is provided on the third connecting member, and the guide rod is arranged in the second sliding groove; One end of the second sliding groove corresponds to the position of the guide rod when the first object and the second object connected by the hinge assembly are in an open state.

4. The hinge assembly according to claim 1, wherein The first limiting portion and the second limiting portion of the limiting device are of an integral structure or a split structure.

5. The hinge assembly according to claim 4, characterized in that, The limiting device is of an integral structure and is hinged to the first connecting member; The first limiting portion is a clamping groove, and the limiting device has a guiding surface, and the guiding surface is connected to the clamping groove; the guiding surface faces the hinged end between the first connecting member and the second connecting member; The limiting device is configured as: In the first stage, the hinged end between the first connecting member and the second connecting member contacts and acts on the guiding surface, causing the limiting device to rotate relative to the first connecting member. In the second stage, when the hinged end of the first connecting member and the second connecting member moves to the second position, the hinged end between the first connecting member and the second connecting member enters the card slot of the first limiting portion from the guiding surface, and the second limiting portion is disengaged from the third connecting member during the rotation of the limiting device.

6. The hinge assembly according to claim 5, wherein, The hinge assembly further includes a first elastic member, which is connected to the limiting device and acts on the limiting device with its own elastic force. The direction of the elastic force received by the limiting device is opposite to the direction in which the limiting device rotates under the action of the hinged end between the first connecting member and the second connecting member.

7. The hinge assembly according to claim 1, characterized in that, The hinge assembly further includes a second elastic member, which is connected between the third connecting member and the fourth connecting member and is used to apply a force to the third connecting member and the fourth connecting member to make the angle between them tend to decrease.

8. The hinge assembly according to claim 1, characterized in that, A first wire passing hole is provided on the first connecting member, a second wire passing hole is provided on the second connecting member, and an intermediate wire passing hole is provided on the third connecting member and / or the fourth connecting member.

9. A box body, characterized in that, The box body includes a box main body, a door body, and the hinge assembly according to any one of claims 1 to 8. The box main body is provided with an inner cavity space and an opening communicating with the inner cavity space, and the door body is used to cover the opening of the box main body. The first connecting member of the hinge assembly is provided on the box main body, and the second connecting member of the hinge assembly is provided on the door body.

10. An electrical device, characterized in that, The electrical equipment includes the box body according to claim 9.

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