CN219197027U - Reinforced hinge structure and refrigerator - Google Patents

Abstract

The application relates to intelligent household electrical appliances technical field discloses a strengthen hinge structure, include: box mount pad, link assembly and auxiliary link. The connecting rod assembly comprises a plurality of connecting rods, one end of the connecting rod assembly 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; one end of the auxiliary connecting rod is rotationally connected to the box body mounting seat, and the other end of the auxiliary connecting rod is rotationally connected to one connecting rod of the connecting rod assembly. In this application, optimized the structural style of hinge, strengthened holistic structural strength and the stability of ultra-thin hinge, not only can make it be applicable to and install on the door body of different weight, improve the adaptability who strengthens hinge structure, the setting of supplementary connecting rod can not influence link assembly's rotation folding process moreover yet, can make link assembly's rotation process more steady, improve link assembly pivoted stability. The application also discloses a refrigerator.

Description

Reinforced hinge structure and refrigerator

Technical Field

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

Background

The refrigerator is a refrigeration device which keeps constant low temperature, is also a civil product which keeps food or other articles in a constant low temperature state, is widely used for people's life, and greatly improves the quality of life of people.

At present, when a refrigerator is provided with an upper door and a lower door, the same upper hinge structure and the same lower hinge structure are installed at the middle beam part of the refrigerator, the hinge structure is formed by a plurality of connecting rods matched with pin shafts, the hinge structure is installed between an upper door body and a lower door body, a user can conveniently and independently control the opening and the closing of the upper door body and the lower door body of the refrigerator, but the existing hinge structure is relatively single, so that the structural strength of the existing hinge structure is weaker, and the existing hinge structure cannot adapt to different door body weights.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

the existing hinge structure is relatively single, so that the structural strength of the hinge structure is weak, the hinge structure cannot be suitable for different door weights, and the adaptability of the hinge structure is reduced.

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 strengthen hinge structure, refrigerator, optimized the structural style of hinge, strengthened holistic structural strength and the stability of ultra-thin hinge, not only can make it be applicable to install on the door body of different weight, improve the adaptability who strengthens hinge structure, supplementary connecting rod's setting can not influence connecting rod assembly's rotation folding process moreover yet, can make connecting rod assembly's rotation process more steady, improve connecting rod assembly pivoted stability.

In some embodiments, the reinforced hinge structure comprises: box mount pad, link assembly and auxiliary link. The connecting rod assembly comprises a plurality of connecting rods, one end of the connecting rod assembly 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; one end of the auxiliary connecting rod is rotationally connected to the box body mounting seat, and the other end of the auxiliary connecting rod is rotationally connected to one connecting rod of the connecting rod assembly.

Optionally, the connecting rod assembly comprises: the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod. One end of the first connecting rod is rotationally connected with the box body mounting seat; one end of the second connecting rod is rotationally connected with the first connecting rod; one end of the third connecting rod is rotationally connected with the first connecting rod; one end of the fourth connecting rod is rotationally connected with the box body mounting seat, and the other end of the fourth connecting rod is rotationally connected with the second connecting rod.

Optionally, the reinforced hinge structure further comprises: and a door body mounting seat. The other ends of the second connecting rod and the third connecting rod are rotationally connected with the door body mounting seat.

Optionally, a right-angle connecting piece is arranged on the door body mounting seat, one face of the right-angle connecting piece is detachably connected with the door body mounting seat, and the other face of the right-angle connecting piece is used for fixing the door body.

Optionally, the first link has a U-shaped cross-section, and portions of the second link, the third link, and the fourth link are encased within the first link.

Optionally, the second connecting rod is rotatably connected with the middle position of the first connecting rod, and the third connecting rod is rotatably connected with the other end of the first connecting rod.

Optionally, the auxiliary link includes: a first auxiliary lever and a second auxiliary lever. One end of the first auxiliary rod is rotationally connected with the door body mounting seat; one end of the second auxiliary rod is rotationally connected with the other end of the first auxiliary rod, and the other end of the second auxiliary rod is rotationally connected to one connecting rod of the connecting rod assembly.

Optionally, the thickness of the auxiliary link is less than or equal to the thickness of the link assembly.

Optionally, the end of the auxiliary link connected to the link assembly shares the same rotational connection point with the two links of the link assembly itself.

In some embodiments, the refrigerator includes a reinforced hinge structure as in any of the embodiments above.

The embodiment of the disclosure provides a reinforced hinge structure and a refrigerator, which can realize the following technical effects:

through add auxiliary link between box mount pad and link assembly, can not influence under link assembly's the motion track and the holistic thickness of hinge's the prerequisite, optimized the structural style of hinge, strengthened holistic structural strength and the stability of ultra-thin hinge, not only can make it be applicable to install on the door body of different weight, improve the adaptability of strengthening hinge structure, the setting of auxiliary link can not influence link assembly's rotation folding process moreover, can make link assembly's rotation process more steady, improve link assembly pivoted stability.

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 structural view of a reinforced hinge structure provided by an embodiment of the present disclosure;

FIG. 2 is a schematic structural view of a connecting rod assembly provided by an embodiment of the present disclosure;

fig. 3 is a schematic structural view of a door body mounting seat according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural view of an auxiliary link provided by an embodiment of the present disclosure;

FIG. 5 is a schematic view of an arcuate recess provided in an embodiment of the present disclosure;

FIG. 6 is a schematic illustration of a structure of a connecting rod assembly and auxiliary connecting rod folding provided by an embodiment of the present disclosure;

fig. 7 is a schematic structural view of a link mechanism provided in an embodiment of the present disclosure.

Reference numerals:

100. a box body mounting seat; 101. a receiving chamber; 102. a notch; 200. a connecting rod assembly; 201. a first link; 202. a second link; 203. a third link; 204. a fourth link; 205. a first accommodation space; 206. the accommodating groove; 207. an arc-shaped concave groove; 300. an auxiliary connecting rod; 301. a first auxiliary lever; 302. a second auxiliary lever; 303. a second accommodation space; 400. a door body mounting seat; 401. a right-angle connecting sheet; 500. a first rotating pin; 600. a second rotating pin; 700. and a link mechanism.

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.

Referring to fig. 1-2, embodiments of the present disclosure provide a reinforced hinge structure comprising: a box mount 100, a linkage assembly 200, and an auxiliary linkage 300. The connecting rod assembly 200 comprises a plurality of connecting rods, one end of the connecting rod assembly 200 is rotatably connected with the box body mounting seat 100, and the other end of the connecting rod assembly 200 is used for connecting a door body; one end of the auxiliary link 300 is rotatably connected to the case mounting base 100, and the other end is rotatably connected to one of the links of the link assembly 200.

By adopting the reinforced hinge structure provided by the embodiment of the disclosure, the auxiliary connecting rod 300 is additionally arranged between the box body mounting seat 100 and the connecting rod assembly 200, the structural form of the hinge is optimized on the premise that the motion track of the connecting rod assembly 200 and the integral thickness of the hinge are not influenced, the integral structural strength and stability of the ultrathin hinge are enhanced, the ultrathin hinge is not only suitable for being mounted on doors with different weights, the adaptability of the reinforced hinge structure is improved, but also the rotating folding process of the connecting rod assembly 200 is not influenced by the arrangement of the auxiliary connecting rod 300, the rotating process of the connecting rod assembly 200 is more stable, and the rotating stability of the connecting rod assembly 200 is improved.

Optionally, the housing mount 100 defines a receiving chamber 101, and the link assembly 200 and the auxiliary link 300 are rotatably mounted in the receiving chamber 101. Thus, the protection to the connecting rod assembly 200 and the auxiliary connecting rod 300 can be enhanced by rotatably installing the connecting rod assembly 200 and the auxiliary connecting rod 300 in the accommodating cavity 101, the influence of other structures of the refrigerator on the connecting rod assembly 200 and the auxiliary connecting rod 300 can be reduced, the stability of the moving process of the connecting rod assembly 200 and the auxiliary connecting rod 300 is ensured, the connecting rod assembly 200 and the auxiliary connecting rod 300 and the box body mounting seat 100 can form an integral structure, and the integrity of the reinforced hinge structure is ensured.

Optionally, the box mounting seat 100 has a box fixing surface that is vertically disposed, where the link assembly 200 and the auxiliary link 300 are respectively connected to a partial area of one side of the box fixing surface, and the remaining partial area of the box fixing surface is a vacant area in which the link assembly 200 and the auxiliary link 300 are located in the case where the link assembly 200 is folded. Thus, the connecting rod assembly 200 and the auxiliary connecting rod 300 are conveniently installed, the situation that the connecting rod assembly 200 and the auxiliary connecting rod 300 are limited to rotate and fold by the inner side wall of the box body installation seat 100 can be prevented, and the stability and smoothness of the rotating process of the connecting rod assembly 200 and the auxiliary connecting rod 300 are ensured.

Optionally, the link assembly 200 includes: a first link 201, a second link 202, a third link 203, and a fourth link 204. One end of the first connecting rod 201 is rotatably connected with the box body mounting seat 100; one end of the second connecting rod 202 is rotationally connected with the first connecting rod 201; one end of the third connecting rod 203 is rotatably connected with the first connecting rod 201; one end of the fourth link 204 is rotatably connected to the housing mount 100, and the other end is rotatably connected to the second link 202. Therefore, under the condition of ensuring flexible connection between the connecting rods and controlling the movement track of the door body, the quantity of hinge points is reduced, the thickness of staggered lamination between the connecting rods is reduced, the situation that the whole volume of the refrigerator or the most convenient area is wasted due to the fact that the thickness is large can be avoided, meanwhile, the thickness is reduced, the whole structure of the refrigerator is more symmetrical and coordinated, the attractiveness of the whole structure of the refrigerator is improved, and the refrigerator has better observability.

Alternatively, a portion of the second link 202 near one side of the third link 203 is disposed obliquely. In this way, in the case that the link assembly 200 rotates toward the accommodating cavity 101 of the box body mounting seat 100, the mutual influence between the two parts can be reduced through the inclined part, so that the situation that the second link 202 blocks the rotation of the third link 203 is avoided, and the arrangement of the second link 202 and the third link 203 which rotate into the accommodating cavity 101 can be more compact and neat while smooth and stable rotation is ensured.

It should be noted that, the portion of the second connecting rod 202 disposed obliquely means that after the portion of one side of the second connecting rod 202 is inclined, the width of the whole structure of the second connecting rod 202 gradually decreases from the middle portion thereof to the two ends thereof.

Optionally, the fourth link 204 is a double-layered splint structure, and a part of the opening at the rear side of the fourth link 204 of the double-layered splint structure is closed, and the rest of the opening at the periphery of the fourth link 204 is open. Thus, when the refrigerator door body is closed, part of the second connecting rod 202 can be rotated to enter between the fourth connecting rods 204, the integral structure of the hinge structure is further optimized, the closed hinge structure is more compact, the width of the hinge structure is reduced, the loss of the refrigerator volume is prevented, the smoothness of rotation is ensured, the situation of rotation clamping is avoided, and the process of opening or closing the refrigerator can be orderly carried out.

Optionally, a notch 102 is provided on an outer side wall of the box mounting seat 100, and a position of the notch 102 corresponds to a rotational connection point on the fourth link 204 and the box mounting seat 100. Like this, can reduce the influence of the lateral wall of box mount pad 100 to fourth connecting rod 204 pivoted, avoid the lateral wall restriction fourth connecting rod 204 to the outside pivoted condition of refrigerator to can guarantee the opening angle of refrigerator door, make the opening angle maximize of refrigerator door, in order to reach the purpose of being convenient for the user to get article to the refrigerator memory, improve the convenience of access.

As shown in fig. 3, the reinforced hinge structure may optionally further comprise: door mount 400. The other ends of the second link 202 and the third link 203 are rotatably connected to the door body mount 400. Like this, utilize door body mount pad 400 can make link assembly 200 be connected with the refrigerator door body better, and also can make the two open and close of the control refrigerator door body that passes through door body mount pad 400 more steady to improve the stability of control refrigerator door body when having guaranteed installation convenience and steadiness.

Alternatively, in a state where the door mount 400 is opened, there is a set gap between the second link 202 and the third link 203. In this way, the second connecting rod 202 and the third connecting rod 203 can be matched better to push the door body mounting seat 400 to be opened stably, the influence between the second connecting rod 202 and the third connecting rod 203 can be reduced, the phenomenon that the door body mounting seat 400 is opened or closed to be blocked due to the rotation blocking position in the rotation process of the second connecting rod 202 and the third connecting rod 203 is avoided, the smoothness of the rotation process is improved, and the stability of the door body mounting seat 400 in the opening or closing process is ensured.

Alternatively, the other ends of the second link 202 and the third link 203 are connected to opposite ends of the door mount 400, respectively. In this way, the forces at the two ends of the door body mounting seat 400 are balanced, and the door body mounting seat 400 can be pushed to be opened or the door body mounting seat 400 can be pulled to be closed stably by utilizing the second connecting rod 202 and the third connecting rod 203 which are connected to the two ends of the door body mounting seat 400.

Optionally, a right-angle connection piece 401 is provided on the door body mounting seat 400, one surface of the right-angle connection piece 401 is detachably connected with the door body mounting seat 400, and the other surface is used for fixing the door body. Like this, can make the right angle connection piece 401 and the door body mount pad 400 fix the door body with mutually perpendicular's angle jointly, make the installation of the door body more firm, can avoid the door body to take place the condition of rocking on the door body mount pad 400, improve the fastness of installation, and detachable connected mode makes the connection more nimble, is convenient for dismantle maintenance or change the door body.

Alternatively, the first link 201 has a U-shaped cross section, and portions of the second link 202, the third link 203, and the fourth link 204 are wrapped in the first link 201. Therefore, the whole structure of the hinge structure is further optimized, the hinge structure is more compact in structure under the condition of guaranteeing the same door opening function, the horizontal length of the hinge structure is reduced, the situation that the whole volume of the refrigerator or the most convenient area is wasted due to the fact that the horizontal length is large can be avoided, the whole structure strength of the hinge structure is enhanced, the hinge structure can be suitable for being installed on door bodies with different weights, and the situation that the hinge structure is damaged due to the fact that the door bodies are pressed can be avoided.

Optionally, the side edge of the first link 201 having the U-shaped groove forms a receiving recess, where the door mount 400 is closed, the receiving recess corresponds to the door mount 400, and the door mount 400 is fittably embedded into the receiving recess. Like this, under the condition of closing door body mount pad 400, can make door body mount pad 400 laminate more closely in the holding indent of first connecting rod 201, not only can avoid having the condition of gap to remain between door body and the box after the door body is closed, make the door body close more closely, can avoid the too outstanding condition of door body relative box of closing moreover, make refrigerator overall structure be harmonious and work.

Alternatively, the second link 202 is rotatably connected to the middle position of the first link 201, and the third link 203 is rotatably connected to the other end of the first link 201. In this way, the second connecting rod 202 and the third connecting rod 203 can be respectively connected to the optimal positions of the first connecting rod 201, and the first connecting rod 201 can be utilized to better drive the second connecting rod 202 and the third connecting rod 203 to move, so that the connecting rod assembly 200 has a better and more reasonable moving track when driving the door body mounting seat 400 to move, the opening stability and the opening angle of the door body mounting seat 400 are ensured, and the refrigerator is more convenient for a user to use.

As shown in fig. 4-6, the auxiliary link 300 optionally includes: a first auxiliary lever 301 and a second auxiliary lever 302. One end of the first auxiliary rod 301 is rotatably connected with the box body mounting seat 100; one end of the second auxiliary lever 302 is rotatably connected to the other end of the first auxiliary lever 301, and the other end is rotatably connected to one of the links of the link assembly 200. In this way, the auxiliary link 300 formed by the first auxiliary rod 301 and the second auxiliary rod 302 is connected between the box body mounting seat 100 and the link assembly 200, so that the strength of the ultrathin hinge structure can be enhanced on the premise that the motion track and the overall thickness of the hinge of the link assembly 200 are not affected, the ultrathin hinge structure can be suitable for being mounted on refrigerator doors with different weights, and the stability of the rotation process of the link assembly 200 can be improved by using the auxiliary link 300.

Optionally, the second auxiliary lever 302 is rotatably connected to the intermediate position of the first link 201. In this way, the influence of the installation of the second auxiliary rod 302 on the space structure of the box body installation seat 100 and the folding process of the connecting rod assembly 200 can be effectively reduced, the condition of the movement track of the connecting rod assembly 200, which is influenced by the second auxiliary rod 302, can be avoided, and the stability and the angle of the opening of the door body installation seat 400 are ensured.

Alternatively, the thickness of the auxiliary link 300 is less than or equal to the thickness of the link assembly 200. Like this, make auxiliary link 300's thickness more rationalize, help reducing auxiliary link 300 to the influence of hinge overall thickness to can avoid leading to its whole volume to the refrigerator or the most convenient regional circumstances that causes the waste because of strengthening hinge structure's thickness is great, and auxiliary link 300 add can make the hinge wholly possess higher structural strength and stability, make the hinge applicable install on the door body of different weight, improve the adaptability of hinge.

Alternatively, the end of the auxiliary link 300 connected to the link assembly 200 shares the same rotational connection point with the two links of the link assembly 200 itself. Thus, by sharing the same rotational connection point between one end of the auxiliary connecting rod 300 and the two connecting rods of the connecting rod assembly 200, a new rotational connection point is not required to be additionally arranged, so that a new rotational connection piece is saved, the stability of rotation can be ensured, the integral structure of the reinforced hinge structure is simplified, the convenience of installation is improved, and the manufacturing cost of the reinforced hinge structure is saved.

Alternatively, the second auxiliary lever 302 is rotatably connected to the first link 201 and the second link 202 at a position where the first link 201 and the second link 202 are rotatably connected, preferably, the first link 201 and the second link 202 are connected through a second rotation pin 600, and one end of the second auxiliary lever 302 is connected to the second rotation pin 600. In this way, since the second link 202 is rotatably connected to the middle position of the first link 201, the second auxiliary lever 302 is also connected to the middle position of the first link 201, so that one end of the second auxiliary lever 302 is connected to the optimal position on the link assembly 200, and the influence of the second auxiliary lever 302 on the movement track of the link assembly 200 can be reduced, thereby enhancing the connection strength by the auxiliary link 300 and simultaneously ensuring the stability and the angle of opening the door mount 400.

Alternatively, the first link 201 is a double-layered splint structure, and a first receiving space 205 is defined between the double-layered splint structures, wherein the first receiving space 205 has an opening corresponding to the second auxiliary lever 302, and a portion of the second auxiliary lever 302 enters the first receiving space 205 through the opening in a closed state of the door body mount 400. In this way, in the state that the door body mounting seat 400 is closed, the structure of the first connecting rod 201 can be more adapted to accommodate the second connecting rod 202, the third connecting rod 203, the fourth connecting rod 204 and the second auxiliary rod 302 at the same time, so that the whole structure of the reinforced hinge structure is more compact and neat, the space occupation of the newly added auxiliary connecting rod 300 on the box body mounting seat 100 is reduced, the whole thickness and the horizontal length of the hinge are more reasonable, the volume of the refrigerator is ensured, the influence of the auxiliary connecting rod 300 on the folding process of the connecting rod assembly 200 can be reduced, and the stability of the rotating folding of the connecting rod assembly 200 is ensured.

Optionally, an opening of the first link 201 corresponding to the second auxiliary lever 302 is provided with a receiving groove 206, where the receiving groove 206 corresponds to the first auxiliary lever 301, and the first auxiliary lever 301 is fittingly located in the receiving groove 206 when the door body mounting seat 400 is in a closed state. Thus, when the second auxiliary rod 302 enters the first accommodating space 205 through the opening in the closed state of the door body mounting seat 400, the first auxiliary rod 301 is positioned in the accommodating groove 206, so that the relative position between the auxiliary connecting rod 300 and the connecting rod assembly 200 is more compact, the structure of the first connecting rod 201 is further optimized, the space occupation of the auxiliary connecting rod 300 on the box body mounting seat 100 is reduced, and the situation that the whole volume of the refrigerator or the most convenient area is wasted due to the fact that the thickness is large or the horizontal length is long can be avoided.

Alternatively, in the case where the first auxiliary lever 301 is located in the receiving groove 206, the rear side wall of the first auxiliary lever 301 is in the same plane as the rear side wall of the first link 201. In this way, the situation that the connecting rod assembly 200 protrudes out of the box body mounting seat 100 after being folded due to the occupation of the space of the box body mounting seat 100 caused by the additional arrangement of the auxiliary connecting rod 300 can be avoided, so that the influence of the auxiliary connecting rod 300 on the whole thickness and the horizontal length of the hinge can be reduced, and the volume of the refrigerator can be effectively ensured.

As shown in fig. 5 and 6, optionally, one end of the first auxiliary rod 301 is connected to the door body mount 400 through a first rotating pin 500, and the accommodating groove 206 and the second auxiliary rod 302 are both provided with an arc-shaped recess 207, and the arc-shaped recess 207 corresponds to the first rotating pin 500, and in the state that the door body mount 400 is closed, a portion of the first rotating pin 500 is located in the arc-shaped recess 207. Like this, can avoid influencing the condition that link assembly 200 is folded to the holding chamber 101 of box mount 100 because of setting up first round pin axle 500 in box mount 100, under the condition that link assembly 200 is folded in holding chamber 101, avoid link assembly 200 to take place to incline or outstanding in the outside condition of box mount 100, guaranteed hinge overall structure's neatly and harmony, and second auxiliary rod 302 rotates and folds into first accommodation space 205, consequently in order to avoid second auxiliary rod 302 to hinder the condition that first round pin axle 500 gets into arc recess 207, be provided with arc recess 207 on second auxiliary rod 302 equally.

Optionally, the first auxiliary lever 301 and the second auxiliary lever 302 are configured as a foldable auxiliary link 300, and preferably, the second auxiliary lever 302 defines a second accommodating space 303 corresponding to the first auxiliary lever 301, and a portion of the first auxiliary lever 301 is folded into the second accommodating space 303 when the door mount 400 is in a closed state. In this way, the structure between the first auxiliary lever 301 and the second auxiliary lever 302 is more rationalized, and the portion of the first auxiliary lever 301 can be folded in the second accommodating space 303, which helps to reduce the influence of the overall structure of the auxiliary link 300 on the folding process of the link assembly 200 and the overall thickness of the hinge structure.

As shown in fig. 7, the reinforced hinge structure may optionally further comprise: a linkage 700. The link mechanism 700 is disposed side by side with the link assembly 200, and one end thereof is rotatably installed in the accommodating chamber 101 as well. In this way, the link assembly 200 and the link mechanism 700 are arranged in the accommodating cavity 101 of the box body mounting seat 100 side by side, so that the link assembly 200, the link mechanism 700 and the box body mounting seat 100 form an integral structure, when the refrigerator is provided with an upper door and a lower door, one door body of the refrigerator can be opened through the rotation of the link assembly 200, and the other door body can be opened through the rotation of the link mechanism 700, compared with the case that two single hinges are mounted at the middle beam part of the refrigerator, the reinforced hinge structure of the refrigerator at least saves the thickness of the side walls of the two layers of the box body mounting seat 100, thereby effectively solving the problem that the thickness of the hinge is larger and the volume loss of the refrigerator is caused due to the mounting of the two single hinges, further effectively reducing the thickness of the hinge mounting under the condition of ensuring the same door opening function, realizing the ultra-thin hinge, avoiding the condition that the waste is caused to the integral volume of the refrigerator or the most convenient area for use due to the thickness, further optimizing the hinge structure, and compared with the single hinge structure, the reinforced hinge structure has better integrity, and the high structural strength and the stability, and the applicability to the hinge structure can be suitable for being mounted on the door structure and the structure can be improved

Alternatively, the linkage 700 and the linkage assembly 200 are identical in structure and are disposed in parallel with a set gap therebetween. Like this, the structure is the same and is more easily with link assembly 200 and link mechanism 700 more neatly install in box mount pad 100, and has the clearance that sets for between the two, helps reducing the mutual influence of two in the rotation in-process, guarantees the stability of rotation process, and can avoid leading to link assembly 200 and link mechanism 700 to appear rubbing damage's condition because of taking place the friction between the two, helps improving life.

Alternatively, the set gap between the linkage assembly 200 and the linkage 700 is less than or equal to one half the thickness of the linkage assembly 200 or the linkage 700. Thus, the setting gap is in a reasonable range, so that the situation that abrasion occurs between the connecting rod assembly 200 and the connecting rod mechanism 700 due to friction can be avoided, the service life is prolonged, the situation that the whole thickness of the hinge is increased due to overlarge setting gap can be avoided, the ultrathin hinge is realized, and the situation that the whole volume of the refrigerator or the most convenient area is wasted due to larger thickness can be avoided.

Alternatively, the same pin shaft is used to connect the same position of the linkage assembly 200 and the linkage mechanism 700 to the case mount 100. Like this, through adopting same round pin axle to be connected with box mount pad 100 with link assembly 200 and link mechanism 700 the same position, simplified connection structure, it is easier to install, but more direct reduction hinge joint simultaneously avoids leading to the condition of thickness increase because of having a plurality of hinge joints, helps realizing thickness ultrathin, has guaranteed the volume of refrigerator.

Optionally, a sleeve is provided at a location where the pin is located between the linkage assembly 200 and the linkage 700. Therefore, the sleeve is utilized to better limit the connecting rod assembly 200 and the connecting rod mechanism 700, the condition that the connecting rod assembly 200 and the connecting rod mechanism 700 shake up and down in the rotation process is avoided, the rotation stability is improved, meanwhile, the connecting rod assembly 200 and the connecting rod mechanism 700 can be separated, and the condition that the door body opening efficiency is influenced due to friction in the rotation process or the friction is avoided.

Optionally, the pin is provided with a smooth spacer at a location between the linkage assembly 200 and the case mount 100, and at a location between the linkage 700 and the case mount 100. In this way, the friction between the link assembly 200 and the side wall of the box body mounting seat 100 during the rotation process of the link mechanism 700 can be avoided, the rotation stability is ensured, and the opening is more smoothly and rapidly facilitated.

Embodiments of the present disclosure provide a refrigerator including the reinforced hinge structure of any one of the embodiments described above.

By additionally arranging the auxiliary connecting rod 300 between the box body mounting seat 100 and the connecting rod assembly 200, the refrigerator provided by the embodiment of the disclosure can optimize the structural form of the hinge on the premise of not affecting the motion track of the connecting rod assembly 200 and the integral thickness of the hinge, strengthen the integral structural strength and stability of the ultrathin hinge, not only be suitable for being mounted on doors with different weights, improve the adaptability of the reinforced hinge structure, but also the arrangement of the auxiliary connecting rod 300 can not affect the rotating folding process of the connecting rod assembly 200, so that the rotating process of the connecting rod assembly 200 is more stable, and the rotating stability of the connecting rod assembly 200 is improved.

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 reinforced hinge structure, comprising:

a box body mounting seat (100);

the connecting rod assembly (200) comprises a plurality of connecting rods, one end of the connecting rod assembly (200) is rotationally connected with the box body mounting seat (100), and the other end of the connecting rod assembly is used for connecting a door body;

and one end of the auxiliary connecting rod (300) is rotatably connected to the box body mounting seat (100), and the other end of the auxiliary connecting rod is rotatably connected to one connecting rod of the connecting rod assembly (200).

2. The reinforced hinge structure of claim 1, wherein the link assembly (200) comprises:

one end of the first connecting rod (201) is rotationally connected with the box body mounting seat (100);

a second link (202), one end of which is rotatably connected to the first link (201);

a third link (203), one end of which is rotatably connected to the first link (201);

and one end of the fourth connecting rod (204) is rotationally connected with the box body mounting seat (100), and the other end of the fourth connecting rod is rotationally connected with the second connecting rod (202).

3. The reinforced hinge structure of claim 2, further comprising:

the door body mounting seat (400), the other ends of the second connecting rod (202) and the third connecting rod (203) are rotationally connected with the door body mounting seat (400).

4. A reinforced hinge structure according to claim 3, wherein the door body mounting base (400) is provided with a right-angle connecting piece (401), one of the right-angle connecting pieces (401) is detachably connected with the door body mounting base (400), and the other face is used for fixing the door body.

5. The reinforced hinge structure of claim 2, wherein the cross section of the first link (201) is a U-shaped groove, and portions of the second link (202), the third link (203), and the fourth link (204) are wrapped within the first link (201).

6. The reinforced hinge structure according to claim 2, wherein the second link (202) is rotatably connected to the intermediate position of the first link (201), and the third link (203) is rotatably connected to the other end of the first link (201).

7. The reinforced hinge structure of any of claims 1-6, wherein said auxiliary link (300) comprises:

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

and one end of the second auxiliary rod (302) is rotatably connected with the other end of the first auxiliary rod (301), and the other end of the second auxiliary rod is rotatably connected to one of the connecting rods of the connecting rod assembly (200).

8. The reinforced hinge structure of any of claims 1-6 wherein the thickness of the auxiliary link (300) is less than or equal to the thickness of the link assembly (200).

9. The reinforced hinge structure according to any one of claims 1 to 6, characterized in that the end of said auxiliary link (300) connected to said link assembly (200) shares the same rotational connection point with the two links of said link assembly (200) itself.

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

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