CN219037328U - Hinge structure and refrigerator - Google Patents

Abstract

The application relates to household electrical appliances technical field discloses a hinge structure, include: the box body mounting seat, the connecting rod assembly and the door closer. The box body mounting seat defines a containing part; one end of the connecting rod assembly is arranged in the accommodating part and is rotationally connected with the box body mounting seat, and the other end of the connecting rod assembly is used for connecting the door body; the door closer is arranged in the accommodating part and is combined with one connecting rod in the connecting rod assembly in a linkage way. The hinge structure can be overlapped with the connecting rod assembly in the horizontal direction, so that the hinge structure does not occupy extra space, the thickness of the whole hinge structure and the whole door closer is reduced, the installation space is saved, and the influence on the whole volume of the refrigerator is reduced. The application also discloses a refrigerator.

Description

Hinge structure and refrigerator

Technical Field

The application relates to the technical field of household appliances, for example to a hinge structure and a refrigerator.

Background

At present, when the existing embedded refrigerator is opened, a door body and a side barrier cannot collide, and meanwhile, normal pulling-out of an internal drawer shelf and the like is guaranteed, in order to guarantee the functional effect, a multi-connecting-rod (six-connecting-rod) hinge is adopted for the door body hinge, and the function limitation of a pure four-connecting-rod hinge is larger.

The existing multi-connecting-rod hinge needs to be provided with the functions of supporting strength, enabling a door body to be hung, a door closer, door closing damping and the like, the hinge is in a structure form that U-shaped sheet metal connecting rods are buckled layer by layer, the thickness of the hinge is thicker, and because the refrigerator is internally refrigerated, the refrigerator door is closed and is not easy to leak refrigerating capacity, the internal refrigerating temperature of the refrigerator cannot reach ideal temperature, food in the refrigerator is rotten, a large amount of electric energy is wasted, the door closer needs to be arranged between the refrigerator door and the refrigerator, the refrigerator door is assisted to be closed, the door closer is generally arranged side by side with the hinge at the present stage, the overall thickness is overlarge due to the fact that the hinge is larger in thickness, and the refrigerator is occupied by too much installation space, so that the overall volume of the refrigerator is more wasted, and the attractiveness of the refrigerator is poor.

Therefore, how to avoid the excessive occupation of the installation space of the door closer and influence the whole volume of the refrigerator becomes a technical problem to be solved urgently by the technicians in the field.

Disclosure of Invention

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. The summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows.

The embodiment of the disclosure provides a hinge structure and a refrigerator, which are used for solving the technical problem that the whole volume of the refrigerator is influenced by the fact that a door closer occupies too much installation space.

In some embodiments, the hinge structure includes: the box body mounting seat, the connecting rod assembly and the door closer. The box body mounting seat defines a containing part; one end of the connecting rod assembly is arranged in the accommodating part and is rotationally connected with the box body mounting seat, and the other end of the connecting rod assembly is used for connecting the door body; the door closer is arranged in the accommodating part and is combined with one connecting rod in the connecting rod assembly in a linkage way.

In some embodiments, a refrigerator includes: the hinge structure of the above embodiment.

The hinge structure and the refrigerator provided by the embodiment of the disclosure can realize the following technical effects:

the structure of box mount pad is changed, make its inside limit out a holding portion, with the equal mount pad of link assembly's one end and door closer in this holding portion, and make a connecting rod linkage combination in door closer and the link assembly, supplementary link assembly accomodates the closure, it is inside at the box mount pad to integrate the door closer, make it can overlap with the link assembly in the horizontal direction, no extra occupation space, reduce hinge structure and the holistic thickness of door closer, practice thrift installation space, reduce the influence to the whole volume of refrigerator.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which like reference numerals refer to similar elements, and in which:

FIG. 1 is an exploded top view of one hinge structure provided by an embodiment of the present disclosure;

FIG. 2 is a schematic illustration of a linkage assembly coupled to a door closer according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of a projection provided by an embodiment of the present disclosure;

FIG. 4 is a schematic illustration of a construction of a connecting rod assembly provided in accordance with an embodiment of the present disclosure;

FIG. 5 is an exploded side view of one of the connecting rod assemblies provided by the embodiments of the present disclosure;

FIG. 6 is a schematic view of a chute and a slider according to an embodiment of the present disclosure;

FIG. 7 is an exploded view of a connecting rod assembly provided by an embodiment of the present disclosure;

FIG. 8 is an exploded view of a hinge structure provided in accordance with an embodiment of the present disclosure;

FIG. 9 is a schematic illustration of a closed configuration of a hinge structure provided by an embodiment of the present disclosure;

FIG. 10 is a schematic structural view of a mating load bearing structure provided by embodiments of the present disclosure;

FIG. 11 is a schematic diagram of an assembled construction of a right angle connector provided in an embodiment of the present disclosure;

fig. 12 is an exploded schematic view of another hinge structure provided by an embodiment of the present disclosure.

Reference numerals:

100. a box body mounting seat; 101. a chute; 102. a slide block; 103. a pin shaft; 104. a pin fixing part; 105. a first accommodation portion; 106. a sliding groove; 200. a door body connecting seat; 201. a second accommodating portion; 202. a right-angle connecting sheet; 300. a connecting rod assembly; 301. a first link; 302. a second link; 303. a third link; 304. a limit groove; 305. a clamping groove; 306. bending sections; 307. a protruding portion; 308. a connection hole; 309. a protruding gear; 310. positioning a concave surface; 311. a sliding surface; 312. the accommodating groove; 400. wear-resistant plate; 401. pad type wear-resisting piece; 402. wrapped wear-resistant plate; 500. matching with a bearing structure; 501. a bearing groove; 502. a bearing bulge; 600. a door closer; 601. a slide rod; 602. a sliding seat; 603. a spring; 604. and a roller.

Detailed Description

So that the manner in which the features and techniques of the disclosed embodiments can be understood in more detail, a more particular description of the embodiments of the disclosure, briefly summarized below, may be had by reference to the appended drawings, which are not intended to be limiting of the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.

The terms first, second and the like in the description and in the claims of the embodiments of the disclosure and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe embodiments of the present disclosure. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe embodiments of the present disclosure and embodiments thereof and are not intended to limit the indicated device, element, or component to a particular orientation or to be constructed and operated in a particular orientation. Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the embodiments of the present disclosure will be understood by those of ordinary skill in the art in view of the specific circumstances.

In addition, the terms "disposed," "connected," "secured" and "affixed" are to be construed broadly. For example, "connected" may be in a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the embodiments of the present disclosure may be understood by those of ordinary skill in the art according to specific circumstances.

The term "plurality" means two or more, unless otherwise indicated.

In the embodiment of the present disclosure, the character "/" indicates that the front and rear objects are an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes an object, meaning that there may be three relationships. For example, a and/or B, represent: a or B, or, A and B.

It should be noted that, without conflict, the embodiments of the present disclosure and features of the embodiments may be combined with each other.

As shown in connection with fig. 1-4, embodiments of the present disclosure provide a hinge structure comprising: a box mount 100, a linkage assembly 300, and a door closer 600. The case mount 100 defines a receiving portion; one end of the connecting rod assembly 300 is installed in the accommodating part and is rotatably connected with the box body installation seat 100, and the other end is used for connecting the door body; the door closer 600 is disposed in the receiving portion and is combined with one link of the link assembly 300 in a linkage manner.

Adopt the hinge structure that this disclosed embodiment provided, through changing the structure of box mount pad 100, make its inside limit a holding portion, with the one end of link assembly 300 and the equal mount pad of door closer 600 in this holding portion, and make door closer 600 and link linkage combination in the link assembly 300, supplementary link assembly 300 accomodate the closure, it is inside at box mount pad 100 to integrate door closer 600, make it can overlap with link assembly 300 in the horizontal direction, do not additionally occupy the space, reduce hinge structure and the holistic thickness of door closer 600, practice thrift installation space, reduce the influence to the whole volume of refrigerator.

Alternatively, the door closer 600 is combined with the second link 302 in a linked manner. Thus, since the position of one end of the second connecting rod 302 relative to the box body mounting seat 100 is not changed and is located in the box body mounting seat 100, the second connecting rod 302 can be better matched with the door closer 600 for linkage, the door closer 600 applies force to the second connecting rod 302, the whole connecting rod assembly 300 can be driven to move through the second connecting rod 302, further, the auxiliary force during storage is provided for the whole connecting rod assembly 300, the door body is conveniently closed, and the door body is prevented from being opened by itself.

It should be understood that the linkage combination of the door closer 600 and the second link 302 means that the door closer 600 and the second link 302 have a follow-up property, and the door closer 600 may be directly connected to the second link 302 or may abut against the second link 302.

Optionally, one end of one of the links in the link assembly 300 is provided with a protruding stop 309, the protruding stop 309 being in linkage combination with the movable end of the door closer 600. In this way, by arranging the protruding stop 309 at one end of the connecting rod to enable the protruding stop 309 to be matched with the door closer 600, the door closer 600 can be better matched with the connecting rod to move, the door closer 600 can not be directly connected with the connecting rod, the door closer 600 is arranged at one side of the connecting rod, and the door closer 600 can be prevented from clamping the connecting rod to influence the normal storage of the connecting rod.

Alternatively, the protruding bar 309 and the connecting rod are integrally formed, and a set angle is formed between the protruding direction of the protruding bar 309 and the extending direction of the connecting rod. In this way, the integrity of the protruding bar 309 and the connecting rod can be maintained, so that the door closer is more stable, because two connecting rods which are arranged in a crossing way exist in the connecting rod assembly 300, an angle is necessarily formed between the unfolded state of the connecting rod and the box installation seat 100, and the door closer 600 is installed in the box installation seat 100, so that the space is saved, the door closer 600 needs to be installed in parallel to the box installation seat 100 as much as possible, and the protruding bar 309 is arranged to have a set angle with the connecting rod assembly 300, so that the door closer 600 can be better matched with the installation angle of the door closer 600, and the door closer 600 can better follow the connecting rod through the protruding bar 309.

Alternatively, the protruding step 309 is provided with a positioning concave surface 310 and a sliding surface 311, and the positioning concave surface 310 is provided on a side of the protruding step 309 that interfaces with the link, and the sliding surface 311 is provided on a side of the protruding step 309 that opposes the link. Thus, when the connecting rod is in the folded state, one end of the door closer 600 can be clamped in the positioning concave surface 310, and further a certain limiting effect is provided for the movement of the connecting rod, so that the connecting rod is prevented from being opened by itself in the folded state, when the door closer is applied, the door is prevented from being opened by itself, cold leakage and the like are caused, when one end of the door closer 600 is close to the positioning concave surface 310 and is not completely clamped in the positioning concave surface 310, the door closer 600 has a sliding trend towards the positioning concave surface 310, and therefore the connecting rod can be assisted to be in a state of being fully folded just before the connecting rod is fully folded, when the door is applied, a small distance before the door is fully closed is provided with an auxiliary door closing force, the situation that the door is not fully closed by a user is prevented, and the door cannot be normally closed is prevented, when the door is fully slid out of the positioning concave surface 310 from the positioning concave surface 311 in the opening process of the door, at this moment, one end of the door closer 600 only slides on the sliding surface 311, the running of the connecting rod is not influenced, when the door is applied, the door is opened by a certain distance, and the door is prevented from being opened by the user, and the door is prevented from being opened normally.

Optionally, the door closer 600 includes: a slide rod 601, a slide seat 602 and a spring 603. One end of the sliding rod 601 is connected with the box body mounting seat 100 through a positioning seat; the sliding seat 602 is sleeved on the other end of the sliding rod 601 and can slide relative to the sliding rod 601, the sliding seat 602 is in sliding connection with the box body mounting seat 100, and the sliding direction of the sliding seat is the same as the extending direction of the sliding rod 601; the spring 603 is sleeved on the sliding rod 601 between the sliding seat 602 and the fixed position. In this way, one end of the door closer 600 is fixed, the other end can move along with one end of the connecting rod, and the restoring force is applied to the connecting rod through the restoring force of the spring 603, so that the connecting rod has a force which is inclined to the closing state of the door body, and the door body is driven to be closed better, wherein the spring 603 is sleeved on the sliding rod 601, the restoring force of the spring 603 can be limited to be along the direction of the sliding rod 601, and the spring 603 is prevented from deflecting to one side in the stress compression process, and the conduction of the force is influenced.

Optionally, the box mounting base 100 is provided with a sliding groove 106, and the sliding base 602 is provided with a protrusion, and the protrusion is limited to slide in the sliding groove 106. Thus, the stability of sliding of the slide base 602 in the housing mount 100 can be improved, and the slide base 602 is prevented from being deviated.

Optionally, a roller 604 is disposed on the sliding seat 602, and the roller 604 abuts against the protruding rail 309. Thus, the door closer 600 can be better matched with the connecting rod, moving friction can be generated between the door closer 600 and the connecting rod in the moving process of the connecting rod, the friction can be reduced by arranging the roller 604, so that the door closer 600 and the connecting rod can move more smoothly, on one hand, the abrasion can be reduced, and on the other hand, the friction noise can be avoided.

Optionally, the second link 302 is provided with a receiving groove 312, where the receiving groove 312 corresponds to the door closer 600, and part or all of the door closer 600 is located in the receiving groove 312 in the fully closed state of the door body connecting seat 200. In this way, the door closer 600 can avoid the situation that the second connecting rod 302 is blocked to rotate in the box body mounting seat 100, so as to ensure the stability of the closing process, and the sliding end of the door closer 600 can be stably abutted against the second connection, so as to ensure the stability of the closing process of the door body connecting seat 200.

As shown in fig. 4, in some alternative embodiments, the linkage assembly 300 includes: a first link 301, a second link 302, and a third link 303. The middle area of the second connecting rod 302 is hinged with the middle area of the first connecting rod 301, the first connecting rod 301 and the second connecting rod 302 are of sheet-shaped structures, and the surfaces of the two hinged surfaces are mutually abutted; the third connecting rod 303 is hinged with one end of the second connecting rod 302, and a limiting groove 304 extending based on the hinge point is arranged on the second connecting rod 302. Like this, first connecting rod 301 and second connecting rod 302 handing-over each other, bear the weight of refrigerator door body jointly, set up both into the sheet-shaped structure, and make the surface of both directly lean on each other, through reducing the respective thickness of both and the clearance between the two reaches the purpose that reduces whole hinge thickness, and make first connecting rod 301 and second connecting rod 302 lean on each other, increase the area of contact of both, make whole contact surface all can atress, improve the supportability, and then can keep the normal supporting effect of hinge, reduce the holistic thickness of hinge.

Alternatively, the first link 301, the second link 302, and the third link 303 are each solid structures. In this way, the first link 301, the second link 302 and the third link 303 are all solid structures, so that the thickness of the first link 301, the second link 302 and the third link 303 can be reduced, and the first link can maintain enough supporting force, so that the whole hinge has enough bearing effect and deformation damage is prevented.

Alternatively, the first link 301 and the second link 302 have the same thickness, and the third link 303 has a thickness greater than that of the first link 301. Like this, first connecting rod 301 and second connecting rod 302 have the same thickness, its bearing capacity is the same, the weight that bears when mutually supporting can share its as the connecting piece better, keep minimum thickness under the condition that makes its bearing capacity enough, because the one end of third connecting rod 303 needs to be connected with second connecting rod 302, because the tie point department of connecting rod unsettled lacks the support, therefore need be more firm, in order to provide good support, therefore the thickness setting of third connecting rod 303 is greater than the thickness of first connecting rod 301 and second connecting rod 302, make it can be connected with second connecting rod 302 through the mode of centre gripping, improve the stability of connecting rod connection, and then improve the holistic bearing capacity of hinge.

Optionally, the third link 303 is shorter in length than the first link 301 and the second link 302. In this way, when the links are in the storage state, the third link 303 is folded to be close to the first link 301 and the second link 302, and one end of the first link 301 and one end of the third link 303 are used for connecting the door body, so that the length of the third link 303 is set smaller than the lengths of the first link 301 and the second link 302, so that after the links are folded, the one end of the third link 303 is kept at a sufficient distance from the one end of the first link 301, and further, two points for connecting the door body have a sufficient gap, so that the balance of the holding force is better, and the overall supporting capability of the hinge is improved.

Optionally, one end of at least one link of the link assembly 300 is provided with a clamping groove 305, and the clamping groove 305 clamps and is rotatably connected to one end of the other link. Like this, set up the connecting rod to the sheet structure, can reduce the holistic thickness of hinge, wherein the position that connecting rod and connecting rod are connected in the hinge becomes unsettled tie point, this position is not connected with box mount pad 100 or door body connecting seat 200, the atress is great, consequently set up centre gripping groove 305 in one of them connecting rod's one end for the one end of centre gripping another connecting rod can improve the stability that this position is connected, make this position can bear great power, prevent the hookup location atress between connecting rod and the connecting rod warp, perhaps take place to rock, improve the stability of connecting between the connecting rod, and then keep the holistic bearing capacity of hinge.

Alternatively, the clamping groove 305 is a groove formed in the connecting rod, and the outer side wall of the clamping groove is flush with the surface of the connecting rod. Therefore, the position of the groove on the connecting rod does not protrude out of the surface of the connecting rod, and the whole thickness of the hinge is prevented from being influenced.

Alternatively, one end of the link clamped in the clamping groove 305 is circular arc-shaped. Thus, the connecting rods can be prevented from being clamped on the inner wall of the clamping groove 305 when rotating in the clamping groove 305, and the smoothness of rotation between the two connecting rods can be improved.

Optionally, a clamping groove 305 is provided on the third link 303. In this way, since the first connecting rod 301 and the second connecting rod 302 are hinged to each other and are staggered and in a stacked state, the stacking thickness of the first connecting rod 301 and the second connecting rod 302 is larger, the clamping groove 305 is required to clamp one connecting rod, the thickness of the setting position is larger, and the third connecting rod 303 is not required to be staggered with the first connecting rod 301, so that the clamping groove 305 is arranged on the third connecting rod 303, the side space of the first connecting rod 301 and the side space of the second connecting rod 302 can be fully utilized, the whole thickness of the connecting rod assembly 300 can not be excessively increased, the whole hinge is kept thinner, and the space occupation of the hinge is reduced.

Optionally, the second link 302 is provided with a limit groove 304 extending based on a connection point of the second link 302 and the third link 303. In this way, in the state where the link assembly 300 is folded, the second link 302 and the third link 303 are partially overlapped, and the limiting groove 304 is provided on the second link 302, so that on one hand, the position of the third link 303 can be limited, and the third link 303 is prevented from being excessively close to the second link 302, so that the links are blocked mutually, and on the other hand, a certain accommodating space is vacated for the third link 303, so that the thickness of the whole link assembly 300 can be further reduced.

Optionally, the side edge of the limit groove 304 is the same as the contour of the side edge of the third link 303. In this way, when the third link 303 and the second link 302 are close to each other, the side edge of the third link 303 can be completely attached to the side edge of the stopper groove 304, and the stability of the folding and attaching between the third link 303 and the second link 302 can be maintained.

As shown in fig. 5, optionally, wear pads 400 are provided between the surfaces of the first link 301 and the second link 302 that abut each other. Thus, after the wear pad 400 is arranged, the first connecting rod 301 and the second connecting rod 302 can be installed more tightly, the contact surface between the first connecting rod 301 and the second connecting rod 302 is larger, the stability of connection between the first connecting rod 301 and the second connecting rod 302 is improved, the first connecting rod and the second connecting rod are mutually supported, the required bearing force is better shared, the wear between the first connecting rod 301 and the second connecting rod 302 can be reduced through the wear pad 400, the wear is prevented from being generated when the wear pad is used for a long time, the gap between the first connecting rod and the second connecting rod is enlarged, the normal use of the hinge is influenced, and the service life of the hinge can be prolonged.

Optionally, the wear pad 400 includes: pad wear pad 401. The pad wear plate 401 is clamped between the connection points where the links are rotatably connected to each other. In this way, the pad type wear pad 401 is disposed between two connecting rods connected with each other, so that the wear pad 400 can rotate relative to the two connecting rods, the rotating resistance between the two connecting rods can be further improved, the smoothness of the mutual rotation between the connecting rods is improved, and the better wear-resistant effect can be achieved.

Optionally, the pad wear pad 401 is a circular sheet. Thus, the wear pad 400 can be better rotated between the two connecting rods, corners are smooth, abrasion to the connecting rods is prevented, the wear-resisting effect is further improved, and better lubricity is achieved.

Alternatively, the diameter of the pad type wear plate 401 is the same as the width of the connecting rod. Like this, can improve the supporting effect of the connecting rod that is located the downside to the connecting rod that is located the upside, prevent that gasket formula wear pad 401 area of contact from being too little, cause the connecting rod atress inhomogeneous lead to damaging, improve the holistic effect of hinge.

Optionally, the wear pad 400 is made of copper. Thus, the copper material is smooth, has good wear resistance, can effectively reduce wear, and enables the rotation between the connecting rods and the box body mounting seat 100 and the door body connecting seat 200 to be smoother.

Alternatively, the first link 301 and the second link 302 have the same length, and the center points of the two are hinged to each other. In this way, in the process of bearing the hinge, the first connecting rod 301 and the second connecting rod 302 are hinged, so that the first connecting rod 301 and the second connecting rod 302 are required to be matched with each other to bear the weight together, the lengths of the first connecting rod 301 and the second connecting rod 302 are set to be the same, the forces can be distributed on the first connecting rod 301 and the second connecting rod more uniformly, the overall supporting force is improved, the centers of the first connecting rod and the second connecting rod are hinged, the peripheries of the hinge points are equal in length, and the bearing force of the first connecting rod and the second connecting rod is better dispersed.

Optionally, the third link 303 has a bending section 306. In this way, the bending section 306 is arranged on the third connecting rod 303, so that when the third connecting rod 303 is folded relative to the second connecting rod 302, a certain distance can be kept between the third connecting rod and the second connecting rod 302, and the second connecting rod 302 and the third connecting rod 303 are prevented from being blocked mutually when the hinge is stored, so that the normal operation of the hinge is prevented from being influenced.

Alternatively, the first link 301 and the second link 302 are each in a straight bar-shaped structure. In this way, after the first connecting rod 301 and the second connecting rod 302 are hinged, the displacement of the two ends of the two connecting rods is kept consistent, and the movement track of opening the door body is better controlled.

Optionally, the bending section 306 on the third link 303 is disposed at an end of the third link 303 connected to the second link 302. In this way, the third connecting rod 303 can be bent to one side at the connection position with the second connecting rod 302, and when the third connecting rod 303 is folded to be close to the second connecting rod 302, a certain distance is kept between the third connecting rod 303 and the second connecting rod 302, so that the second connecting rod 302 and the third connecting rod 303 are prevented from being blocked mutually, and the normal operation of the hinge is prevented from being influenced.

Optionally, the box mount 100 is U-shaped in cross section, defining a receptacle therebetween. Like this, the cross section design of box mount pad 100 is the U-shaped, can form the holding portion of indent, and then fixes link assembly 300's one end better, and from both sides centre gripping link assembly 300, can share the power of transmission on the centre gripping assembly better, reduces the atress of swivelling joint department, improves link assembly 300's bearing capacity, keeps the holistic stability of hinge.

It is to be understood that the U-shaped opening, i.e. the opening of the receptacle, faces the door body during installation, and the rear side thereof serves for connection of the housing.

Optionally, the link assembly 300 includes: a first link 301 and a second link 302. One end of the first connecting rod 301 is rotationally and slidingly connected with the box body mounting seat 100; one end of the second link 302 is rotatably connected to the housing mount 100. In this way, through setting one end of the first connecting rod 301 to be rotationally and slidingly connected with the box body mounting seat 100, in the process of unfolding the hinge, one end of the first connecting rod 301 slides, so that the other end of the first connecting rod 301 can be displaced along with the first connecting rod, the door body can be driven to be far away from the box body under the condition that the other end of the first connecting rod 301 is connected with the door body, the door body can be effectively prevented from colliding with an obstacle of the box body when the embedded refrigerator is used, compared with the scheme that the door body is driven to be far away from the box body in the form of six connecting rods in the prior art, at least one connecting rod and two hinge points can be reduced, the number of the connecting rods is directly reduced, the staggered lamination thickness between the connecting rods is reduced, the problem of the thickness of the hinge can be solved most directly and fundamentally, the thickness of the mounting connection is effectively reduced under the condition that the same door opening track is ensured, the condition that the integral volume of the refrigerator or the most convenient area is wasted due to the fact that the thickness is large is avoided, and meanwhile, the integral structure of the refrigerator is more balanced with the uniformity.

It is understood that the rotational sliding connection of one end of the first link 301 with the case mount 100 means that one end of the first link 301 can slide along the case mount 100 and the first link 301 can rotate with respect to the point where it is connected with the case mount 100.

Optionally, the box mounting base 100 is provided with a sliding chute 101, and one end of the first link 301 is limited to slide in the sliding chute 101 and is rotatable relative to the sliding chute 101. Like this, through installing spout 101 on box mount pad 100, make the one end of first connecting rod 301 slide along spout 101, can keep first connecting rod 301 gliding stability, and adopt the form that sets up spout 101 can not extra occupation space, be favorable to reducing the holistic thickness of hinge, avoid leading to its circumstances that causes the waste to the whole volume of refrigerator or the most convenient region of use because of the thickness is great.

Alternatively, the chute 101 may penetrate through a side wall of the box mounting seat 100, or may be an embedded groove disposed on an inner side wall of the box mounting seat 100, and does not penetrate through the box mounting seat 100. Preferably, the chute 101 extends through the side wall of the housing mount 100. In this way, the pin 103 is convenient to fix one end of the first connecting rod 301 from the outer side wall of the box installation seat 100, so that the first connecting rod slides along the sliding groove 101, and the installation difficulty is reduced.

Optionally, the upper and lower sides of the box body mounting seat 100 are provided with sliding grooves 101, and one end of the first connecting rod 301 is simultaneously limited in the sliding grooves 101 of the upper and lower sides of the box body mounting seat 100. Like this, all set up spout 101 in the both sides of box mount pad 100, make first connecting rod 301 both ends all inject in spout 101 and slide, can improve first connecting rod 301 gliding stability to apply the fixed force for first connecting rod 301 from both sides, can provide the fixed force for first connecting rod 301 better, make the better transmission of the power on the first connecting rod 301 to box mount pad 100 on, and then improve the bearing capacity of whole hinge, keep the stability that the hinge was used.

It can be understood that the sliding grooves 101 provided on the upper and lower sides of the box body mounting seat 100 are correspondingly provided, and overlap in the vertical direction, and serve to limit the upper and lower sides of one end of the first connecting rod 301 at the same time, so as to maintain the sliding stability of the first connecting rod 301.

As shown in fig. 6, the chute 101 is optionally disposed obliquely. Like this, can make spout 101's setting more reasonable, can be more smooth open or close door body connecting seat 200 when guaranteeing that first connecting rod 301 slides along spout 101, simultaneously with spout 101 slope setting, the safe clearance of the in-process of opening with the barrier of the refrigerator door body of being convenient for more, avoid the condition of bumping between the barrier, the stability of opening the refrigerator process has also been guaranteed when improving to refrigerator protectiveness, and guaranteed the opening angle of door body connecting seat 200, the user of being convenient for more gets article to refrigerator memory, bring better use experience for the user.

It should be understood that the inclined arrangement of the chute 101 means that one end of the chute 101 is close to the rear side wall of the box mounting base 100 and the other end is close to the front side wall of the box mounting base 100.

Optionally, the hinge structure further comprises: the door body is connected with the seat 200. The other ends of the first link 301 and the third link 303 are hinged to the door body coupling seat 200. In this way, the hinge can be better connected to the door body through the door body connecting seat 200, the installation is facilitated, and the ends of the first link 301 and the third link 303 can be better fixed.

As shown in fig. 6, alternatively, the side surface of the chute 101 is an inclined surface. In this way, the side surface of the sliding groove 101 is set to be an inclined surface, so that the side surface of the sliding groove 101 has a funnel-like effect, the sliding groove has a furling function, a certain positioning function can be achieved when the sliding groove is matched with the fixing part of the pin shaft 103 with the inclined surface, the pin shaft 103 can slide along the sliding groove 101 more smoothly, the fixing parts at two ends of the pin shaft 103 can sink into a part like a groove, and the thickness of the whole hinge is further reduced.

Optionally, a slider 102 is provided in the chute 101, and the slider 102 is defined to slide along the chute 101, and one end of the first link 301 is rotatably connected to the slider 102. In this way, the first connecting rod 301 slides along the sliding chute 101 through the sliding block 102, and the first connecting rod 301 is rotationally connected with the sliding block 102, so that the sliding process of the first connecting rod 301 is more stable and smooth, the situation that sliding is blocked due to the fact that the first connecting rod 301 slides on the sliding chute 101 is avoided, the continuity and stability of the sliding process are ensured, and the flexible connection mode between the first connecting rod 301 and the sliding block 102 is utilized, in the process that the sliding block 102 drives the first connecting rod 301 to slide, the relative position between the first connecting rod 301 and the sliding block 102 is adjusted at any time by utilizing the rotational connection, the stability of the sliding process of the first connecting rod 301 is further enhanced, and the first connecting rod 301 can be smoothly and stably opened or closed the door body connecting seat 200 is ensured.

Alternatively, the slider 102 includes a pin 103 and a pin fixing portion 104, wherein the pin 103 passes through the end portions of the chute 101 and the first link 301, and both ends of the pin 103 are defined by the pin fixing portion 104, so that the pin 103 and the pin fixing portion 104 can stably slide along the chute 101. In this way, the end of the first link 301 can be better fixed, and the pin 103 passes through the chute 101, so that the first link 301 can slide in the chute 101 along with the pin 103, and the first link 301 can rotate along with the pin 103, thereby increasing the flexibility of the movement of the first link 301.

Optionally, a pin fixing portion 104 is installed on a portion of the end portion of the pin 103 passing through the chute 101, and the pin fixing portion 104 is of an inverted table-type structure, and the inclination angle of the side edge is the same as that of the inclined surface. In this way, the pin fixing portion 104 can be more favorably engaged with the slide groove 101, and can stably slide along the slide groove 101.

Alternatively, the pin fixing portion 104 is entirely installed to be recessed in the chute 101. In this way, the protrusion of the pin fixing portion 104 can be avoided, the thickness of the box body mounting seat 100 can be influenced, and the thickness of the whole hinge can be further reduced.

As shown in fig. 7, in some embodiments, wear plates 400 are provided at the joints of the case mount 100, the door mount 200, and the link to reduce wear. In this way, wear-resisting sheets 400 are arranged at the connection parts of the connecting rods in the connecting rod assembly 300, the connection parts of the connecting rods and the box body mounting seat 100 and the connection parts of the connecting rods and the door body connecting seat 200, and the wear-resisting sheets 400 are used for filling connection gaps, so that the functions of lubrication and wear resistance are achieved under the condition that the connecting rods, the box body mounting seat 100 and the door body connecting seat 200 rotate, the abrasion among the connecting rods is reduced, the rotation stability of all positions is improved, the shaking of the connecting rods is prevented, the bearing capacity of the hinge is kept, and the stability and the durability of the hinge are improved.

Optionally, the wear pad 400 includes: wrapped wear pad 402. The wrap wear pad 402 wraps around the ends of the links connected to the box mount 100 and the door mount 200. Like this, can be comprehensive wrap up the tip of connecting rod, reduce the frictional force between connecting rod tip and box mount pad 100 and door body connecting seat 200, reduce the wearing and tearing of connecting rod, box connecting seat and door body connecting seat 200 to adopt the parcel formula design, can make wear pad 400 better attached at the tip of connecting rod, prevent that wear pad 400 from taking place the displacement, influence normal use, cause the hinge to rock.

Optionally, the wrapped wear pad 402 is connected to the connecting rod by glue. Thus, the wear pad 400 can be further fixed on the connecting rod, the wear pad 400 is prevented from falling off, and the stability of the hinge in the use process is improved.

Optionally, the sliding block 102 is also covered with wear pad 400. In this way, since the slider 102 slides in the chute 101 and is also easily worn, the wear pad 400 is coated on the slider 102, and the wear between the slider 102 and the chute 101 can be effectively reduced.

Optionally, the wear pad 400 is wrapped on the slider 102, which means that the wear pad 400 is wrapped on the sides of the pin 103 and the pin fixing portion 104. In this way, the abrasion of sliding along the direction of the sliding chute 101 and the abrasion of rotating the first connecting rod 301 along the pin shaft 103 can be avoided, the connecting rod assembly 300 is better protected, and the integral use stability of the hinge is improved.

8-11, in some embodiments, the housing mount 100 is a U-shaped mount defining a first receptacle 105; the door body connecting seat 200 is a U-shaped seat and defines a second accommodating portion 201; one end of the connecting rod assembly 300 is rotatably connected in the first accommodating part 105, and the other end is rotatably connected in the second accommodating cavity, wherein the box body mounting seat 100 is matched with the door body connecting seat 200 under the condition that the connecting rod assembly 300 is in a folded state, so that the first accommodating part 105 and the second accommodating part 201 completely wrap the connecting rod assembly 300. Like this, all set up box mount pad 100 and door body connecting seat 200 into the U-shaped seat, its inside sets up first accommodation portion 105 and second accommodation portion 201 respectively, under the condition that door body connecting seat 200 and box mount pad 100 adaptation are connected, utilize first accommodation portion 105 and second accommodation portion 201 can accomodate the parcel with whole link assembly 300, on the one hand can utilize the bottom side of first accommodation portion 105 to support link assembly 300, prevent that link assembly 300 atress takes place deformation for a long time under the condition that the door closed, on the other hand with link assembly 300 whole centre gripping in first accommodation portion 105 and second accommodation portion 201, can form fixedly to link assembly 300, prevent link assembly 300 from taking place to rock, improve the holistic stability of hinge.

Optionally, a mounting hole is formed on a rear sidewall of the case mounting seat 100 for fixedly mounting the case mounting seat 100 on the case, wherein the rear sidewall of the case mounting seat 100 is a sidewall opposite to the opening of the first receiving portion 105. Therefore, the box body is convenient to install and connected with the box body, other space is not additionally occupied, and the space occupation of the hinge is reduced.

Alternatively, the depth of the first receiving portion 105 is greater than the depth of the second receiving portion 201. Like this, because the weight of the door body passes through the transmission of link assembly 300, finally act on box mount pad 100, therefore box mount pad 100 also is as main bearing position when the door body is closed, set up the degree of depth of first holding portion 105 to be greater than the degree of depth of second holding portion 201, can accomodate the more positions of link assembly 300 into first holding portion 105 as far as possible, thereby utilize the better bearing link assembly 300 of first holding portion 105, reduce the atress of link assembly 300, prevent that link assembly 300 from producing the deformation for a long time atress, the stability of hinge overall use is improved, better bearing door body's weight when the door body is closed.

As will be appreciated, the first receiving portion 105 and the second receiving portion 201 are collectively referred to as receiving portions, and the depth of the receiving portions refers to the distance of the opening thereof from the inner side wall opposite the opening.

Optionally, a mating load bearing structure 500 is provided between the box mount 100 and the door mount 200. Like this, utilize cooperation bearing structure 500 to link up box mount pad 100 and door body connecting seat 200, directly transmit the box mount pad 100 with the last power of door body connecting seat 200 on, reduce the atress of link assembly 300, prevent that link assembly 300 atress from taking place deformation for a long time, the door body that leads to rocks scheduling problem.

Optionally, the mating load bearing structure 500 includes: a load bearing groove 501 and a load bearing protrusion 502. The bearing groove 501 is arranged on the box body mounting seat 100; the bearing protrusion 502 is disposed on the door body connecting seat 200 and can be connected with the bearing groove 501 in an adaptive manner, so that the box body mounting seat 100 forms a bearing function on the door body connecting seat 200. Thus, when the door is closed, the door connecting seat 200 is opposite to the box mounting seat 100, so that the bearing protrusion 502 provided on the door connecting seat 200 is inserted into the bearing groove 501 of the box mounting seat 100, and the force on the door connecting seat 200 is directly transferred to the box mounting seat 100 through the bearing protrusion 502, so that the stress of the connecting rod assembly 300 is reduced.

Optionally, the door body connecting seat 200 is provided with a right-angle connecting sheet 202, one face of the right-angle connecting sheet 202 is detachably connected with the door body connecting seat 200, and the other face is used for fixing the door body. Thus, the side edge of the door body can be better fixed through the right-angle connecting sheet 202, so that the door body can be better contacted with the box body without being blocked by the hinge, and the joint between the door body and the box body is kept.

As shown in fig. 12, in some embodiments, the ends of the links rotatably coupled to the case mount 100 and rotatably coupled to the door body coupling mount 200 are each configured with a protrusion 307 protruding outwardly from the vertical link surface. Like this, be provided with bulge 307 in the one end of connecting rod and box mount pad 100 and door body connecting seat 200, make the side of connecting rod can with the contact of box mount pad 100 and the inside wall of door body connecting seat 200, enlarge area of contact, utilize box mount pad 100 and door body connecting seat 200 centre gripping connecting rod, better transfer to box mount pad 100 and door body connecting seat 200 with the weight that the connecting rod bore, better protection connecting rod reduces the atress of connecting rod, prevent that the connecting rod warp, through this structural design after adopting the sheet connecting rod to reduce the whole back of hinge, can keep the holistic bearing capacity of hinge, improve the stationarity that the hinge was used.

Optionally, the sum of the thicknesses of the connecting rod and its provided projection 307 is adapted to the thickness of the cavity of the U-shaped seat in which it is mounted. Like this, can make the connecting rod and bulge 307, fill up between the upper and lower both sides wall of U-shaped seat inner chamber, make the connecting rod can be more abundant with the inside wall contact of U-shaped seat, on the one hand can prevent that the connecting rod from rocking in the U-shaped seat, on the other hand can utilize the upper and lower lateral wall of U-shaped seat to support the connecting rod better, improve the bearing capacity of connecting rod, keep the holistic stability of hinge.

Alternatively, with the linkage assembly 300 in the extended state, the tab 307 is just flush with or partially protrudes out of the opening of the receptacle. In this way, the connecting rod assembly 300 can be kept to have a larger contact area with the box body mounting seat 100 or the door body connecting seat 200 in the unfolded state, the connecting rod assembly 300 is better supported, the bearing capacity of the connecting rod assembly 300 is improved, and the stability of the integral hinge in use is kept.

Optionally, a connecting hole 308 is formed at an end of the connecting rod, a pin 103 is penetrated in the connecting hole 308, and the connecting rod is rotatably connected with the box body mounting seat 100 or the door body connecting seat 200 through the pin 103. Like this, with swivelling joint between connecting rod and the box mount pad 100 through round pin axle 103, make the connecting rod can rotate for box mount pad 100 to generally adopt the solid axle through round pin axle 103, comparatively firm and be difficult for warping, can bear the power of coming on the connecting rod better, make the connecting rod can keep stable rotation under the state of atress, improve the holistic bearing capacity of hinge and the stability of operation.

Alternatively, the protrusion 307 extends convexly around the connection hole 308 such that the connection hole 308 penetrates the link and its protrusion 307. Thus, the length of the connecting hole 308 can be increased, the contact area between the pin shaft 103 and the connecting hole 308 can be increased, the force on the connecting rod can be better shared, the whole bearing capacity of the hinge can be increased, and the stability of the hinge can be maintained.

Alternatively, the end of the connecting rod provided with the protrusion 307 is covered with the wear pad 400. In this way, since the protruding portion 307 is in close contact with the case mounting seat 100, abrasion is easy to occur, and the contact area is too large, so that the friction force is increased, and the rotation is affected, so that the wear pad 400 is covered at one end of the protruding portion 307, the abrasion of the protruding portion 307 and the case mounting seat 100 can be well reduced, and the wear pad 400 can also have a certain lubrication function, so that the relative rotation of the connecting rod and the case mounting seat 100 is smoother.

An embodiment of the present disclosure provides a refrigerator including: the hinge structure of any one of the above embodiments.

The above description and the drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may include structural and other modifications. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. A hinge structure, comprising:

a housing mount (100) defining a receptacle;

one end of the connecting rod assembly (300) is installed in the accommodating part and is rotationally connected with the box body installation seat (100), and the other end of the connecting rod assembly is used for connecting a door body;

and a door closer (600) which is arranged in the accommodating part and is combined with one connecting rod in the connecting rod assembly (300) in a linkage way.

2. Hinge structure according to claim 1, characterized in that said box mounting seat (100) is U-shaped in cross section, defining said housing in the middle thereof.

3. The hinge structure according to claim 1, wherein the link assembly (300) comprises:

one end of the first connecting rod (301) is rotationally and slidingly connected with the box body mounting seat (100);

and one end of the second connecting rod (302) is rotatably connected with the box body mounting seat (100).

4. A hinge structure according to claim 3, characterized in that said box mounting base (100) is provided with a chute (101), and one end of said first link (301) is defined to slide in said chute (101) and is rotatable with respect to said chute (101).

5. The hinge structure according to claim 4, wherein the upper and lower sides of the case mounting seat (100) are provided with the sliding grooves (101), and one end of the first link (301) is simultaneously defined in the sliding grooves (101) of the upper and lower sides of the case mounting seat (100).

6. Hinge structure according to claim 4, characterized in that said runner (101) is arranged inclined.

7. A hinge structure according to claim 3, characterized in that said door closer (600) is combined in linkage with said second link (302).

8. A hinge construction according to any one of claims 1-7, characterized in that one end of one of the links in the link assembly (300) is provided with a protruding stop (309), said protruding stop (309) being in interlocking combination with the movable end of the door closer (600).

9. The hinge structure according to any one of claims 1 to 7, characterized in that said door closer (600) comprises:

one end of the sliding rod (601) is connected with the box body mounting seat (100) through the positioning seat;

the sliding seat (602) is sleeved on the other end of the sliding rod (601) and can slide relative to the sliding rod (601), the sliding seat (602) is in sliding connection with the box body mounting seat (100), and the sliding direction of the sliding seat is the same as the extending direction of the sliding rod (601);

and the spring (603) is sleeved on the sliding rod (601) between the sliding seat (602) and the fixed position.

10. A refrigerator comprising the hinge structure according to any one of claims 1 to 9.

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