CN219197032U - Multi-connecting rod hinge and refrigerator - Google Patents

Abstract

The application relates to household electrical appliances technical field discloses a many connecting rods hinge, include: box mount pad, door body connecting seat and link assembly. The door body connecting seat is provided with a chute; the connecting rod assembly comprises three connecting rods, one end of one connecting rod is rotationally connected with the box body mounting seat, the other end of the connecting rod is arranged in the sliding groove in a sliding mode, one ends of the other two connecting rods are connected with each other in a head-tail mode, one of the two ends of the other connecting rod is rotationally connected with the box body mounting seat, and the other end of the other connecting rod is rotationally connected with the door body connecting seat. Compared with a six-connecting rod, the hinge reduces one connecting rod, reduces the consumption of the connecting rod, can reduce the thickness of the whole hinge, and simultaneously can ensure that the relative position and angle between the door body and the sliding groove cannot be changed due to the fact that the door body is directly connected with the door body connecting seat, and can reduce the overturning moment in the door body opening and closing process. The application also discloses a refrigerator.

Description

Multi-connecting rod hinge and refrigerator

Technical Field

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

Background

At present, when the existing embedded refrigerator is opened, a door body (door plate) 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, the function of a pure four-connecting-rod hinge is limited and large, but the thickness of the six-connecting-rod is large, so that excessive installation space is occupied, and the storage space of the refrigerator is influenced.

In the related art, through setting up the spout on the box mount pad, make a connecting rod in the connecting rod slide in the spout, can replace a connecting rod, and then through the quantity of connecting rod, reduce the holistic thickness of hinge, but because the spout is fixed to be set up on the box mount pad, its and the angle of door body changes when the door body is opened and shut, can lead to the door body to open and shut and be the moment of overturning and change, influences holistic stability, reduces the intensity of hinge.

Therefore, how to reduce the turning moment of the door body when opening and closing and improve the stability and strength of the hinge becomes a technical problem to be solved by those skilled in the art.

Disclosure of Invention

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This 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 multi-connecting-rod hinge and a refrigerator, which are used for solving the problems that when a door body is opened and closed, the angle of the door body changes, the door body can be opened and closed to change the overturning moment, the overall stability is affected, and the strength of the hinge is reduced.

In some embodiments, the multi-link hinge includes: box mount pad, door body connecting seat and link assembly. The door body connecting seat is provided with a chute; the connecting rod assembly comprises three connecting rods, one end of one connecting rod is rotationally connected with the box body mounting seat, the other end of the connecting rod is arranged in the sliding groove in a sliding mode, one ends of the other two connecting rods are connected with each other in a head-tail mode, one of the two ends of the other connecting rod is rotationally connected with the box body mounting seat, and the other end of the other connecting rod is rotationally connected with the door body connecting seat.

In some embodiments, a refrigerator includes: the multi-link hinge of the above embodiment.

The multi-connecting-rod hinge and the refrigerator provided by the embodiment of the disclosure can realize the following technical effects:

the sliding groove is formed in the door body connecting seat, one connecting rod in the connecting rod assembly can slide relative to the sliding groove, the position of one end of the connecting rod is changed through sliding, the function of one connecting rod is replaced, one connecting rod is reduced relative to the six connecting rods, the consumption of the connecting rod is reduced, the integral thickness of the hinge can be reduced, meanwhile, the door body is directly connected with the door body connecting seat, the relative position and the angle between the door body and the sliding groove can be guaranteed not to be changed, the overturning moment can be reduced in the door body opening and closing process, and the stability and the strength of the hinge are improved.

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 a schematic illustration of a multi-link hinge provided in accordance with an embodiment of the present disclosure;

fig. 2 is a schematic structural view of a door connecting seat according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of a box mount provided in an embodiment of the present disclosure;

FIG. 4 is a top view of a multi-link hinge provided by an embodiment of the present disclosure;

FIG. 5 is an exploded view of one of the link assemblies and door body connection mount provided by embodiments of the present disclosure;

FIG. 6 is a schematic illustration of a door closer provided in accordance with an embodiment of the present disclosure;

fig. 7 is a schematic view of a protruding file according to an embodiment of the present disclosure.

Reference numerals:

100. a box body mounting seat; 101. a case fixing surface; 102. a connecting rod mounting seat; 103. a connecting rod mounting surface; 104. a void region; 200. a door body connecting seat; 201. a chute is arranged; 202. a straight line segment; 203. a curve segment; 204. a connecting rod fixing surface; 205. a door body fixing surface; 206. a slide block; 207. a pin shaft; 208. a pin fixing part; 300. a connecting rod assembly; 301. a first link; 302. a second link; 303. a third link; 400. wear-resistant plate; 500. a door closer; 501. a protruding gear; 502. positioning a concave surface; 503. a sliding surface; 504. a slide rod; 505. a sliding seat; 506. a spring; 507. 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 for a multi-link comprising: the door comprises a box mounting seat 100, a door connecting seat 200 and a connecting rod assembly 300. The door body connecting seat 200 is provided with a chute 201; the link assembly 300 includes three links, one of which has one end rotatably connected to the box mount 100 and the other end slidably disposed in the chute 201, and the other two links have one end connected to each other end to end, one of the other two ends rotatably connected to the box mount 100 and one of the other two ends rotatably connected to the door mount 200.

Adopt many connecting rods hinges that this disclosed embodiment provided, set up spout 201 at door body connecting seat 200, make a connecting rod in the link assembly 300 can slide for spout 201, change through the position that slides its one end, replace the effect of a connecting rod, reduce a connecting rod for six connecting rods, reduce the quantity of connecting rod, can reduce the holistic thickness of hinge, simultaneously because the door body is directly connected with door body connecting seat 200, can guarantee that the relative position and the angle between door body and spout 201 can not change, can reduce the turning moment at the in-process of door body switch, improve the stability and the intensity of hinge.

As shown in fig. 2, the chute 201 optionally includes a straight section 202 and a curved section 203. Thus, the sliding chute 201 is provided with the straight line section 202, so that the sliding path of the connecting rod is unchanged relative to the angle of the door body in the opening process of the door body connecting seat 200, the movement is more stable, the curved line section 203 is provided, and one end of the connecting rod can slide into the curved line section 203 in the closing process of the door body connecting seat 200, so that the whole door body connecting seat 200 can be closer to the box body mounting seat 100, and the structure is more compact after the whole hinge is closed.

Optionally, the door body connection socket 200 includes: a link fixing surface 204 and a door body fixing surface 205. The connecting rod fixing surface 204 is horizontally arranged and is used for connecting the connecting rod assembly 300; the door body fixing surface 205 is vertically disposed on one side of the link fixing surface 204, and is used for connecting with a door body. In this way, the door body fixing surface 205 and the door body are mounted in parallel, the connecting rod assembly 300 and the connecting rod fixing surface 204 are mounted in parallel, the connecting rod fixing surface 204 and the door body fixing surface 205 are arranged in a vertical relationship, the plane where the connecting rod assembly 300 is located is vertical to the door body, when the door body moves, the door body can be opened and closed along the plane where the connecting rod assembly 300 is located, and the operation is more stable.

Alternatively, the straight section 202 is parallel to the door body fixing surface 205, and the curved section 203 has one end communicating with the straight section 202 and the other end curved toward the door body fixing surface 205. Thus, the straight line section 202 is kept parallel to the door body fixing surface 205, so that when the connecting rod assembly 300 slides in the straight line section 202, the distance between the connecting rod assembly and the door body is kept the same all the time, the moment is kept stable, the moment is reduced, the integral strength of the hinge is improved, the movement is more stable, one end of the curved section 203 is bent towards the door body fixing surface 205, when the connecting rod slides in the curved section 203, the connecting rod assembly is close to the door body or far away from the door body, the connecting rod assembly is close to the box body when the door body is closed, the connecting rod assembly is far away from the box body when the door body is opened, the tightness of the door body when the door body is closed is kept, the obstacle is prevented from being touched when the door body is opened, and the stability of opening and closing of the door body is improved.

As shown in fig. 3, optionally, the case mount 100 includes: a case fixing surface 101 and a link mounting seat 102. The box body fixing surface 101 is vertically arranged and is used for connecting the box body; the connecting rod mounting seat 102 is arranged at one end of the box body fixing surface 101 and protrudes towards one side of the door body connecting seat 200, the connecting rod mounting seat 102 is provided with a connecting rod mounting surface 103 perpendicular to the box body fixing surface 101 and the connecting rod mounting seat 102, and two connecting rods in the connecting rod assembly 300 are rotatably connected to the connecting rod mounting surface 103. Therefore, the connecting rod in the connecting rod assembly 300 can be only connected to the connecting rod mounting surface 103, so that occupation of the whole position of the box body fixing surface 101 is reduced, the structural distribution is more reasonable, the whole structure of the hinge is compact, and the space occupation of the hinge is reduced.

Alternatively, the link mounting surfaces 103 are arranged in pairs and located at upper and lower ends of the link mounting seat 102, a mounting cavity is defined between the paired link mounting surfaces 103, and one end of the link assembly 300 is connected in the mounting cavity.

Optionally, the connecting rod mounting surface 103 is located in a partial area on one side of the box body fixing surface 101, and the rest of the box body fixing surface 101 is a hollow area 104, and can be folded in the hollow area 104 when the door connecting seat 200 is folded close to the box body fixing seat. Therefore, the position of the connecting rod on one side of the box body mounting seat 100 can be fully utilized, and the door body connecting seat 200 is folded to be close to the box body mounting seat 100, so that the door body connecting seat is more compact, the distance between the door body and the box body is effectively reduced, the door body is more convenient to use in a refrigerator with thinner door bodies, and the whole space occupation of the hinge can be effectively reduced.

Alternatively, the three links of the link assembly 300 are each of a sheet-like structure. Thus, the connecting rod of the connecting rod assembly 300 is arranged into the sheet-shaped structure, so that the thickness of the connecting rod can be reduced, the thickness of the whole hinge can be further reduced, the space occupation of the hinge can be reduced, the installation space can be saved, and the storage space of the refrigerator can be better kept.

As shown in connection with fig. 5, the linkage assembly 300 optionally includes: a first link 301, a second link 302, and a third link 303. One end of the first connecting rod 301 is rotatably connected with the box body mounting seat 100, and the other end is slidably arranged in the chute 201; one end of the second connecting rod 302 is rotatably connected with the box body mounting seat 100; one end of the third link 303 is rotatably connected with the other end of the second link 302, the other end is rotatably connected with the door body connection seat 200, and the third link 303 and the first link 301 are staggered and are rotatably connected with each other at staggered positions. In this way, three connecting rods are arranged between the box body mounting seat 100 and the door body connecting seat 200, so that the door body connecting seat 200 is opened or closed relative to the box body mounting seat 100, one end of the first connecting rod 301 is arranged to be in rotary sliding connection with the sliding groove 201 of the door body connecting seat 200, one end of the first connecting rod 301 slides in the hinge unfolding process, the other end of the first connecting rod 301 can be displaced along with the sliding groove, 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 refrigerator is used in an embedded refrigerator, compared with the scheme that the door body is driven to be far away from the box body in a six-connecting-rod mode in the prior art, at least one connecting rod and two hinge points can be reduced, the number of the connecting rods can be directly reduced, the thickness of the hinge can be most directly and fundamentally solved, the thickness of the mounting connection can be effectively reduced under the condition that the same door opening track is ensured, the condition that the whole refrigerator is wasted, the whole volume of the refrigerator or the whole refrigerator can be more conveniently and conveniently balanced with the refrigerator is reduced.

Optionally, the side of the chute 201 is an inclined surface. In this way, the side surface of the sliding groove 201 is provided with the inclined surface, so that the side surface of the sliding groove 201 has a funnel-like effect, has a furling function, and can play a certain positioning role when being matched with the fixing part of the pin shaft 207 with the inclined surface, so that the pin shaft 207 can slide along the sliding groove 201 more smoothly, the fixing parts at the two ends of the pin shaft 207 can sink into a part like a groove, and the thickness of the whole hinge is further reduced.

Optionally, a sliding block 206 is provided in the sliding slot 201, and the sliding block 206 is defined to slide along the sliding slot 201, and one end of the first link 301 is rotatably connected to the sliding block 206. In this way, the first connecting rod 301 slides along the sliding chute 201 through the sliding block 206, and the first connecting rod 301 is rotationally connected with the sliding block 206, 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 201 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 206 is utilized, so that the relative position between the first connecting rod 301 and the sliding block 206 is adjusted at any time in the process that the sliding block 206 drives the first connecting rod 301 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.

Optionally, the slider 206 includes a pin 207 and a pin fixing portion 208, wherein the pin 207 passes through the chute 201 and the end of the first link 301, and both ends of the pin 207 are defined by the pin fixing portion 208, so that the pin 207 and the pin fixing portion 208 can stably slide along the chute 201. In this way, the end of the first link 301 can be better fixed, and the pin 207 passes through the chute 201, so that the first link 301 can slide in the chute 201 along with the pin 207, and the first link 301 can rotate along with the pin 207, thereby increasing the flexibility of the movement of the first link 301.

Optionally, a pin fixing portion 208 is mounted on a portion of the end portion of the pin 207 passing through the chute 201, and the pin fixing portion 208 has an inverted table 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 208 can be more favorably engaged with the slide groove 201, and can stably slide along the slide groove 201.

Alternatively, the pin fixing portion 208 is entirely recessed and installed in the chute 201. In this way, the protrusion of the pin fixing portion 208 can be avoided, the thickness of the door body connecting seat 200 is affected, and the thickness of the whole hinge is further reduced.

Optionally, a bending section bending towards the door body connecting seat 200 is provided on the first connecting rod 301. Like this, be equipped with the kink of buckling towards door body connecting seat 200 on the first connecting rod 301, can make it keep the better connection of door body connecting seat 200 under the circumstances that door body connecting seat 200 accomodates to being close to box mount pad 100, and whole more press close to box mount pad 100, the structure is more stable to can also prevent to take place the screens between first connecting rod 301 and the third connecting rod 303 under the circumstances that door body connecting seat 200 was opened for box mount pad 100.

Alternatively, wear pads 400 are provided between surfaces of the first link 301 and the second link 302 that abut each other, and between surfaces of the second link 302 and the third link 303 that abut each other. In this way, after the wear pad 400 is arranged, the first connecting rod 301 and the second connecting rod 302 and the third connecting rod 303 can be installed more tightly, so that the contact surfaces between the first connecting rod 301 and the second connecting rod 302 and between the second connecting rod 302 and the third connecting rod 303 are larger, the stability of connection between the first connecting rod 301 and the second connecting rod 302 is improved, the connection surfaces are mutually supported, the force required by the bearing is better shared, the wear between the first connecting rod 301 and the second connecting rod 302 and between the second connecting rod 302 and the third connecting rod 303 can be reduced through the wear pad 400, the long-time use of the wear pad is prevented, the gap between the first connecting rod 301 and the second connecting rod 302 is enlarged, the normal use of the hinge is influenced, and the service life of the hinge can be prolonged.

Optionally, wear pad 400 is a pad type wear pad. The pad-type wear pad is clamped between the connection points where the links are rotatably connected to each other. Like this, adopt gasket formula wear pad setting between two connecting rods that are connected each other, make wear pad 400 itself for two connecting rods all rotatable, can further improve the pivoted resistance between two connecting rods, improve the smoothness nature of mutual pivoted between the connecting rods, and also can play better stand wear and tear effect.

Optionally, the pad-type wear pad 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.

Optionally, the diameter of the pad wear plate 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 pad formula wear pad 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.

As shown in fig. 6-7, in some embodiments, the multi-link hinge further includes a door closer 500. The door closer 500 is disposed in the receiving portion and is combined with one link of the link assembly 300 in a linkage manner. Like this, 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 500 in this holding portion, and make the door closer 500 and a connecting rod linkage combination in the link assembly 300, supplementary link assembly 300 accomodate the closure, it can overlap with link assembly 300 to integrate door closer 500 in box mount pad 100 inside, make it in the horizontal direction, do not additionally occupy the space, reduce hinge structure and the holistic thickness of door closer 500, practice thrift installation space, reduce the influence to the whole volume of refrigerator.

Optionally, the door closer 500 is combined with the second link 302 in a linkage. 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 500 for linkage, the door closer 500 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 500 and the second link 302 means that the door closer 500 and the second link 302 have a following property, and the door closer 500 may be directly connected to the second link 302 or may abut against the second link 302.

Alternatively, one end of one of the links in the link assembly 300 is provided with a protruding bar 501, and the protruding bar 501 is combined with the movable end of the door closer 500 in a linked manner. In this way, the protruding block 501 is arranged at one end of the connecting rod, so that the protruding block 501 is matched with the door closer 500, the connecting rod can be matched with the door closer 500 better, the door closer 500 can be not directly connected with the connecting rod, the door closer 500 is arranged at one side of the connecting rod, and the door closer 500 can be prevented from clamping the connecting rod, so that the normal storage of the connecting rod is prevented from being influenced.

Alternatively, the protruding block 501 and the connecting rod are integrally formed, and a set included angle is formed between the protruding direction of the protruding block 501 and the extending direction of the connecting rod. In this way, the integrity of the protruding bar 501 and the connecting rod can be maintained, so that the protruding bar 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 500 is installed in the box installation seat 100, so that the space is saved, the door closer 500 needs to be installed in parallel with the box installation seat 100 as much as possible, the protruding bar 501 is arranged to have a set angle with the connecting rod assembly 300, the door closer 500 can be better matched with the installation angle of the door closer 500, and the door closer 500 can better follow the connecting rod through the protruding bar 501.

Alternatively, the protruding block 501 is provided with a positioning concave surface 502 and a sliding surface 503, and the positioning concave surface 502 is provided on the side of the protruding block 501 that interfaces with the link, and the sliding surface 503 is provided on the side of the protruding block 501 that opposes the link. Thus, when the connecting rod is in the folded state, one end of the door closer 500 can be clamped in the positioning concave 502, 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 500 is applied, the door can be kept closed, cold leakage and the like, and when one end of the door closer 500 is close to the positioning concave 502 and is not completely clamped in the positioning concave 502, the door closer 500 has a sliding trend towards the positioning concave 502, so that the connecting rod can be helped 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 cannot be closed normally when a user closes the door is prevented, and when the door is fully slid out of the positioning concave 502 into the sliding surface 503 in the door opening process, at this time, one end of the door closer 500 only slides on the sliding surface 503, the running of the connecting rod cannot be influenced, when the door is opened, a certain distance is not generated, and the door is prevented from being opened normally, and the door is prevented from being opened by the user.

Optionally, the door closer 500 includes: a slide rod 504, a slide holder 505 and a spring 506. One end of the sliding rod 504 is connected with the box body mounting seat 100 through a positioning seat; the sliding seat 505 is sleeved on the other end of the sliding rod 504 and can slide relative to the sliding rod 504, the sliding seat 505 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 504; the spring 506 is sleeved on the sliding rod 504 between the sliding seat 505 and the fixed position. In this way, one end of the door closer 500 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 506, 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 506 is sleeved on the sliding rod 504, the restoring force of the spring 506 can be limited to be along the direction of the sliding rod 504, and the spring 506 is prevented from deflecting to one side in the process of being stressed and compressed, and the conduction of the force is influenced.

Optionally, the case mounting base 100 is provided with a sliding groove, and the sliding base 505 is provided with a protrusion, and the protrusion is limited to slide in the sliding groove. Thus, the stability of sliding seat 505 in case mount 100 can be improved, and sliding seat 505 can be prevented from being deviated.

Optionally, a roller 507 is disposed on the sliding seat 505, and the roller 507 abuts against the protruding rail 501. Like this, can make door closer 500 and the better cooperation of connecting rod, can produce the removal friction between its and door closer 500 at connecting rod activity in-process, can reduce the friction through setting up gyro wheel 507, make the activity between the two more smooth and easy, on the one hand can reduce wearing and tearing, on the other hand can avoid frictional noise.

Embodiments of the present disclosure provide a refrigerator including a multi-link hinge as in any of the embodiments described above.

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 multi-link hinge, comprising:

a box body mounting seat (100);

a door body connecting seat (200) provided with a chute (201);

the connecting rod assembly (300) comprises three connecting rods, one end of one connecting rod is rotationally connected with the box body mounting seat (100), the other end of the connecting rod is slidably arranged in the sliding groove (201), one ends of the other two connecting rods are connected with each other in a head-tail mode, one of the other two ends of the connecting rod is rotationally connected with the box body mounting seat (100), and the other end of the connecting rod is rotationally connected with the door body connecting seat (200).

2. The multi-link hinge of claim 1, wherein the runner (201) comprises a straight segment (202) and a curved segment (203).

3. The multi-link hinge of claim 2, wherein the door body connection base (200) includes:

a link fixing surface (204) horizontally arranged for connecting the link assembly (300);

the door body fixing surface (205) is vertically arranged at one side edge of the connecting rod fixing surface (204) and is used for connecting the door body.

4. A multi-link hinge according to claim 3, characterized in that the straight section (202) is parallel to the door body fixing surface (205), and the curved section (203) has one end communicating with the straight section (202) and the other end being curved toward the door body fixing surface (205).

5. The multi-link hinge of claim 1, wherein the case mount (100) comprises:

the box body fixing surface (101) is vertically arranged and is used for connecting the box body;

the connecting rod installation seat (102) is arranged at one end of the box body fixing surface (101) and protrudes towards one side of the door body connecting seat (200), the connecting rod installation seat (102) is provided with a connecting rod installation surface (103) perpendicular to the box body fixing surface (101) and the connecting rod installation seat (102), and two connecting rods in the connecting rod assembly (300) are rotatably connected to the connecting rod installation surface (103).

6. The multi-link hinge according to claim 5, wherein the link mounting surface (103) is located in a partial area on one side of the case fixing surface (101), and the remaining portion of the case fixing surface (101) is a hollow area (104), and is foldable in the hollow area (104) when the door connecting seat (200) is folded close to the case fixing seat.

7. The multi-link hinge of any one of claims 1-6, wherein three links of the link assembly (300) are each of a sheet-like structure.

8. The multi-link hinge of any of claims 1-6, wherein the link assembly (300) comprises:

one end of the first connecting rod (301) is rotationally connected with the box body mounting seat (100), and the other end of the first connecting rod is arranged in the sliding groove (201) in a sliding manner;

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

and one end of the third connecting rod (303) is rotationally connected with the other end of the second connecting rod (302), the other end of the third connecting rod is rotationally connected with the door body connecting seat (200), the third connecting rod (303) and the first connecting rod (301) are arranged in a staggered mode, and the staggered positions of the third connecting rod and the first connecting rod are rotationally connected with each other.

9. The multi-link hinge according to claim 8, wherein the first link (301) is provided with a bending section bent toward the door body connection seat (200).

10. A refrigerator comprising a multi-link hinge according to any one of claims 1 to 9.

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