CN219037326U - Hinge assembly, refrigerator - Google Patents

Abstract

The present application relates to the technical field of smart home appliances, and discloses a hinge assembly, including: a box mounting base, a door connecting base, a first connecting rod, a second connecting rod and a third connecting rod. One end of the first connecting rod is connected to the box mounting seat in rotation and sliding, and the other end is connected in rotation to the door body connecting seat; One end is rotatably connected to the box mounting seat; one end of the third connecting rod is rotatably connected to the other end of the second connecting rod, and the other end is rotatably connected to the door body connecting seat. In this application, the thickness of the mounting connection is effectively reduced, which can Avoid the waste of the overall volume of the refrigerator or the most convenient area due to the large thickness. At the same time, reducing the thickness also helps to make the overall structure of the refrigerator more symmetrical and coordinated, improving the overall structure of the refrigerator. Refrigerators have better observability. The application also discloses a refrigerator.

Description

Hinge assembly, refrigerator

technical field

The present application relates to the technical field of smart home appliances, for example, to a hinge assembly and a refrigerator.

Background technique

When the existing built-in refrigerator is opened, the door body (door panel) cannot collide with the obstacles nearby, and at the same time, the internal drawer shelves must be pulled out for normal use. The function of the pure four-link hinge is relatively limited, and the existing multi-link hinge needs to take into account the support strength, the door body can hang the door panel, the door closer, the door closing damping and other functions, and the hinge mostly adopts U-shaped plate The interlocking structure of gold connecting rods.

Existing built-in refrigerators mostly adopt the form of six-link hinges, which are connected together through specific hinge point positions and connecting rods of different shapes to achieve a specific movement track of the door body. However, the thickness of the hinge itself is relatively large, and the corresponding installation beam It will also become thicker, which will cause more waste to the overall volume of the refrigerator, and also make the refrigerator's aesthetics worse. When the refrigerator has upper and lower door configurations, the same upper and lower hinges need to be installed on the center beam, which is especially the case. serious.

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

The thickness of the hinge itself is relatively large, which causes more serious waste to the most convenient area of the refrigerator, and also affects the aesthetics of the overall structure of the refrigerator.

Utility model content

In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is presented below. The summary is not intended to be an extensive overview nor to identify key/important elements or to delineate the scope of these embodiments, but rather serves as a prelude to the detailed description that follows.

The embodiment of the present disclosure provides a hinge assembly and a refrigerator, which effectively reduce the thickness of the installation connection, avoiding the waste of the overall volume of the refrigerator or the most convenient area due to the large thickness, and reduce the thickness at the same time It also helps to make the overall structure of the refrigerator more symmetrical and coordinated, improves the aesthetics of the overall structure of the refrigerator, and makes the refrigerator have better observability, and the structure of the second connecting rod and the first connecting rod interlaced optimizes the connection form. The two can bear the load together, help to enhance the connection strength, can adapt to different weights of the door body, and improve the adaptability of the hinge assembly.

In some embodiments, the hinge assembly includes: a box mounting base, a door connecting base, a first link, a second link and a third link. One end of the first connecting rod is rotationally and slidingly connected to the box body mounting seat, and the other end is rotationally connected to the door body connecting seat; One end is rotatably connected to the box mounting seat; one end of the third connecting rod is rotatably connected to the other end of the second connecting rod, and the other end is rotatably connected to the door body connecting seat.

In some embodiments, the refrigerator includes a hinge assembly according to any one of the above embodiments.

The hinge assembly and the refrigerator provided by the embodiments of the present disclosure can achieve the following technical effects:

By arranging one end of the first link to be rotationally and slidably connected to the box mount, and setting the second link rotatably staggered with the first link, one end of the first link slides during the unfolding of the hinge , the other end of the first connecting rod can be displaced accordingly. When the other end of the first connecting rod is connected to the door body, it can drive the door body away from the box body, which can effectively avoid the door body when used in a built-in refrigerator. Compared with the existing six-link hinge method, at least one link and two hinge points can be reduced by using this hinge assembly, which directly reduces the number of links and the cross-stacking between links. The thickness of the hinge can solve the problem of the thickness of the hinge most directly and fundamentally, and can effectively reduce the thickness of the installation connection while ensuring the same track of the door opening function, which can avoid the impact on the overall volume of the refrigerator due to the large thickness. It is the most convenient area to cause waste. At the same time, reducing the thickness will also help to make the overall structure of the refrigerator more symmetrical and coordinated, improve the aesthetics of the overall structure of the refrigerator, and make the refrigerator have better visibility, and the second connecting rod and The staggered structure of the first connecting rods optimizes the connection form, enables the two to bear weight together, helps to enhance the connection strength, adapts to different weights of the door body, and improves the adaptability of the hinge assembly.

The foregoing general description and the following description are exemplary and explanatory only and are not intended to limit the application.

Description of drawings

One or more embodiments are exemplified by the corresponding drawings, and these exemplifications and drawings do not constitute a limitation to the embodiments, and elements with the same reference numerals in the drawings are shown as similar elements, The drawings are not limited to scale and in which:

FIG. 1 is a schematic structural diagram of a hinge assembly provided by an embodiment of the present disclosure;

Fig. 2 is a schematic structural diagram of a door closer provided by an embodiment of the present disclosure;

Fig. 3 is a schematic structural diagram of another hinge assembly provided by an embodiment of the present disclosure;

Fig. 4 is a schematic structural diagram of another door closer provided by an embodiment of the present disclosure;

Fig. 5 is an enlarged view of part A in Fig. 4;

Fig. 6 is a schematic structural diagram of a chute provided by an embodiment of the present disclosure;

Fig. 7 is a schematic structural diagram of another hinge assembly provided by an embodiment of the present disclosure;

Fig. 8 is a schematic structural diagram of another hinge assembly provided by an embodiment of the present disclosure;

Fig. 9 is a schematic structural diagram of another hinge assembly provided by an embodiment of the present disclosure.

Reference signs:

100, box mounting seat; 101, chute; 102, slider; 103, bar-shaped sliding groove; 200, door body connecting seat; 300, first connecting rod; 301, notch; 400, second connecting rod; 401, accommodation groove; 500, third connecting rod; 501, bending section; 600, door closer; 601, sliding seat; 602, fixed seat; 603, compression spring; 604, positioning rod; 605, abutment block; 606, positioning concave surface; 607, sliding surface; 608, abutting block.

Detailed ways

In order to understand the characteristics and technical content of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. The attached drawings are only for reference and description, and are not intended to limit the embodiments of the present disclosure. In the following technical description, 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 be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawings.

The terms "first", "second" and the like in the description and claims of the embodiments of the present disclosure and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It should be understood that the data so used may be interchanged under appropriate circumstances so as to facilitate the embodiments of the disclosed embodiments described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion.

In the embodiments of the present disclosure, the orientations or positional relationships indicated by the terms "upper", "lower", "inner", "middle", "outer", "front", "rear" etc. are based on the orientations or positional relationships shown in the drawings. Positional relationship. These terms are mainly used to better describe the embodiments of the present disclosure and their implementations, and are not used to limit that the indicated devices, elements or components must have a specific orientation, or be constructed and operated in a specific orientation. Moreover, some of the above terms may be used to indicate other meanings besides orientation or positional relationship, for example, the term "upper" may also be used to indicate a certain attachment relationship or connection relationship in some cases. Those skilled in the art can understand the specific meanings of these terms in the embodiments of the present disclosure according to specific situations.

In addition, the terms "setting", "connecting" and "fixing" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediary, or two devices, components or Internal connectivity between components. Those skilled in the art can understand the specific meanings of the above terms in the embodiments of the present disclosure according to specific situations.

Unless stated otherwise, the term "plurality" means two or more.

In the embodiments of the present disclosure, the character "/" indicates that the preceding and following objects are an "or" relationship. For example, A/B means: A or B.

The term "and/or" is an associative relationship describing objects, indicating that there can be three relationships. For example, A and/or B means: A or B, or, A and B, these three relationships.

It should be noted that, in the case of no conflict, the embodiments and the features in the embodiments of the present disclosure may be combined with each other.

As shown in FIGS. 1-5 , an embodiment of the present disclosure provides a hinge assembly, including: a box mounting base 100 , a door connecting base 200 , a first connecting rod 300 , a second connecting rod 400 and a third connecting rod 500 . One end of the first connecting rod 300 is rotationally and slidably connected to the box mounting seat 100, and the other end is rotationally connected to the door body connecting seat 200; the second connecting rod 400 is arranged alternately with the first connecting rod 300, and the interlacing point of the two is rotationally connected, and One end of the second link 400 is rotatably connected to the box mounting base 100 ; one end of the third link 500 is rotatably connected to the other end of the second link 400 , and the other end is rotatably connected to the door body connecting seat 200 .

Using the hinge assembly provided by the embodiment of the present disclosure, by setting one end of the first link 300 to be rotationally and slidably connected with the box mount 100 , and setting the second link 400 and the first link 300 rotatably interleaved, In the process of unfolding the hinge, one end of the first connecting rod 300 slides, and the other end of the first connecting rod 300 can be displaced accordingly. When the other end of the first connecting rod 300 is connected to the door body, it can drive the door body Far away from the cabinet, it can effectively prevent the door from colliding with the obstacles of the cabinet when used in a built-in refrigerator. Compared with the existing six-link hinge, the hinge assembly can reduce at least one connecting rod and two The hinge point can directly reduce the number of connecting rods and reduce the thickness of interlaced layers between connecting rods, which can solve the problem of hinge thickness most directly and fundamentally, and can effectively reduce the installation connection while ensuring the same door opening function track. The thickness can avoid the waste of the overall volume of the refrigerator or the most convenient area due to the large thickness. At the same time, reducing the thickness also helps to make the overall structure of the refrigerator more symmetrical and coordinated, and improves the overall structure of the refrigerator. degree, so that the refrigerator has better observability, and the structure of the second connecting rod 400 and the first connecting rod 300 are arranged alternately, which optimizes the connection form, allows the two to bear the load together, helps to enhance the connection strength, and can adapt to different Reduce the weight of the door body and improve the adaptability of the hinge components.

As shown in Figure 2, optionally, a door closer 600 is arranged in the box mounting base 100, and the door closer 600 is horizontally arranged in the box mounting base 100, and one end of the door closer 600 is connected to the box mounting base 100 The side wall of the door closer 600 is slidably connected, and the other end is fixedly connected with the side wall of the box body mounting seat 100, wherein the sliding end of the door closer 600 abuts against the second connecting rod 400, and when the door body connecting seat 200 is opened, The door closer 600 is used to provide the door connecting seat 200 with a force to rotate toward the box mounting seat 100 . In this way, by installing the door closer 600 installed horizontally in the box body mounting base 100 and having one end in contact with the second connecting rod 400 , when the door body connecting base 200 is open, the door closer 600 can be used to open the door body. The connecting seat 200 provides the force to rotate in the direction of the box mounting seat 100, so that the door closer 600 can assist the user to close the refrigerator, making the process of closing the refrigerator easier and labor-saving for the user, improving the convenience and efficiency of closing the refrigerator, and bringing more convenience to the user. Good use experience, and can make the refrigerator close more tightly, effectively preventing the cold energy inside the refrigerator from leaking out.

As shown in FIG. 3 , optionally, horizontal bar-shaped sliding grooves 103 are provided on opposite side walls of the box installation seat 100 , and the door closer 600 includes: a sliding seat 601 , a fixing seat 602 and a compression spring 603 . The sliding seat 601 is arranged on one side of the second connecting rod 400, and the sliding seat 601 is provided with an abutting wheel 608, and the sliding seat 601 abuts against the second connecting rod 400 through the abutting wheel 608, wherein the abutting wheel 608 is It is limited to slide along the bar-shaped sliding groove 103; the fixed seat 602 is arranged on one side of the sliding seat 601; one end of the compression spring 603 is connected with the sliding seat 601, and the other end is connected with the fixed seat 602. In this way, the sliding seat 601 can slide along the horizontally arranged bar-shaped sliding groove 103 through the abutment wheel 608, so that one end of the second connecting rod 400 can always abut against the sliding seat 601, effectively avoiding the rotation of the second connecting rod 400. In the process of detaching from the sliding seat 601, the stability of the abutment is improved, so that after the door body connecting seat 200 is opened, since the compression spring 603 is in a compressed state, it can provide a direction for the door body connecting seat 200 to the box body mounting seat 100. The force of the rotation makes the opened door connecting seat 200 have a tendency to rotate toward the cabinet mounting seat 100, thereby making the process of closing the refrigerator easier and labor-saving for the user, and enhancing the user experience.

As shown in FIG. 4 , optionally, a positioning rod 604 is provided on the side of the fixing seat 602 facing the sliding seat 601 , and the compression spring 603 is sleeved on the positioning rod 604 , wherein there is a second positioning rod 604 and the sliding seat 601 . - Set the spacing. In this way, when the door body connecting seat 200 is open, the force provided by the compression spring 603 for the second link 400 can always be in the horizontal direction, so that the force on the second link 400 is more stable, and avoid bending due to the compression spring 603. The deformation causes the direction of the elastic force to change, which affects the second connecting rod 400 to drive the door body connecting seat 200 to rotate, ensuring the smoothness of closing the door body connecting seat 200, and there is a first set distance between the positioning rod 604 and the sliding seat 601 , can reduce the influence of the positioning rod 604 on the sliding process of the sliding seat 601, and ensure the stability of the sliding process of the sliding seat 601.

Optionally, one end of the second connecting rod 400 located in the box mounting base 100 is set on the abutment block 605 facing the sliding seat 601, and a non-slip rubber pad is provided on the side of the abutting block 605 facing the sliding seat 601, and the abutment The wheels 608 abut against the non-slip rubber pads. In this way, when the door body connecting seat 200 is in an open state, the sliding seat 601 can be used to push the second connecting rod 400 stably all the time by using the anti-slip rubber pad, so as to avoid slippage between the sliding seat 601 and the second connecting rod 400. Affect the rotation of the second connecting rod 400, ensure the stability of the closing process of the door body connecting seat 200, and effectively avoid the wear and tear of the two during the long-term contact process, and improve the relationship between the sliding seat 601 and the second connecting rod. 400 protection.

As shown in Figure 5, optionally, the abutting block 605 is provided with a positioning concave surface 606 and a sliding surface 607, and the positioning concave surface 606 is set on the side where the abutting block 605 meets the second connecting rod 400, and the sliding surface 607 is set On the side opposite to the second link 400 on the abutment block 605 . In this way, when the second link 400 is in the retracted state, the sliding end of the door closer 600 will be stuck in the positioning concave surface 606, thereby restricting the movement of the second link 400 to a certain extent, preventing the second link 400 from It can be opened automatically in the folded state, and can keep the door tightly closed during application, preventing the door from opening by itself, causing cold leakage, etc., and the sliding end of the door closer 600 is close to the positioning concave surface 606 and is not completely locked. When entering the positioning concave surface 606, since the door closer 600 has a tendency to slide towards the positioning concave surface 606, it can help the second connecting rod 400 tend to the fully retracted state before the second connecting rod 400 is about to be fully retracted, which is reflected in the application It is a short distance before the door is about to be completely closed, which has the force to assist the door to close, preventing the user from not closing the door completely when closing the door, resulting in the situation that the door cannot be closed normally. In the process of opening the door, the door closer When 600 completely slides out from the positioning concave surface 606 and enters the sliding surface 607, at this time, one end of the door closer 600 will only slide on the sliding surface 607, which will not affect the operation of the second connecting rod 400. Yes, after the door is opened for a certain distance, no force will be generated in the direction of closing the door, which prevents the door from closing itself after opening and affecting the normal use of the user.

Optionally, an accommodating groove 401 is provided on the second connecting rod 400, and the accommodating groove 401 corresponds to the door closer 600. When the door body connecting seat 200 is completely closed, part or all of the door closer 600 All are located in the accommodating groove 401 . In this way, not only can the situation that the door closer 600 prevents the second connecting rod 400 from rotating into the box mounting base 100 be avoided, the stability of the door closing process can be ensured, but also the sliding end of the door closer 600 can be stably connected with the second connecting rod. 400 butt against each other, which can prevent the door body from opening automatically without external interference, making the door body more tightly closed and stable.

It can be understood that the rotary connection in the present application is a prior art, such as using a pin to complete the hinge connection, which will not be repeated here.

As shown in FIG. 6 , optionally, a sliding slot 101 is provided on the box installation base 100 , and one end of the first connecting rod 300 can slide along the sliding slot 101 . In this way, by setting one end of the first connecting rod 300 to slide along the chute 101 on the box mounting seat 100, during the unfolding process of the hinge, one end of the first connecting rod 300 slides along the chute 101, so that the second The other end of the first connecting rod 300 is displaced accordingly. When the other end of the first connecting rod 300 is connected to the door body, it can drive the door body away from the box body, which can effectively prevent the door body from colliding with the cabinet when used in a built-in refrigerator. At the same time, the sliding process of the first connecting rod 300 along the chute 101 can make the sliding process more stable, ensure the movement track of the door body connecting seat 200, and avoid the position deviation of the first connecting rod 300 during the sliding process. However, it affects the smooth opening or closing of the connected door body, improves the stability of sliding, and ensures that the refrigerator door body can be opened or closed more smoothly and stably.

Optionally, the fixing seat 602 is located between the rear side wall of the box installation seat 100 and the sliding slot 101 , and has a second predetermined distance from the sliding slot 101 . In this way, the influence of the fixing seat 602 on the sliding process of the first connecting rod 300 on the chute 101 can be reduced, the fixing seat 602 can be prevented from hindering the sliding of the first connecting rod 300 on the chute 101, the stability of sliding can be improved, and the door body can be guaranteed. The connecting seat 200 can be opened or closed smoothly and steadily.

Optionally, a notch 301 is provided on the first connecting rod 300, and the notch 301 is a downwardly recessed arc-shaped groove. When the door body connecting seat 200 is completely closed, the notch 301 corresponds to the fixing seat 602 . In this way, by setting the notch portion 301 that is recessed downward and corresponding to the fixing seat 602 on the first connecting rod 300, the overall structure of the hinge assembly is more rationalized, and the movement of the fixing seat 602 to the first connecting rod 300 can be reduced by using the notch portion 301 The impact of the process avoids the situation that the first connecting rod 300 is blocked by the fixed seat 602 during the moving process, and ensures the smoothness and stability of the sliding process of the first connecting rod 300, so that the opening or closing of the door body connecting seat 200 The process is more stable and smooth, and the jamming phenomenon in the process of opening or closing the door body connecting seat 200 is avoided.

Understandably, since the first connecting rod 300 slides along the chute 101, if the shape of the chute 101 changes, the sliding track of the first connecting rod 300 also changes, so that the shape of the chute 101 can control the door opening process of the refrigerator. The change of the local motion trajectory in the center can then flexibly set the shape of the chute 101 according to the door opening requirements. For example, the chute 101 is a rectangular structure, of course, it can also be a flat oval structure, or a strip or stepped structure. Here No longer.

Optionally, a sliding block 102 is disposed in the sliding slot 101 , and the sliding block 102 is limited to slide along the sliding slot 101 , and one end of the first connecting rod 300 is rotationally connected with the sliding block 102 . In this way, the first connecting rod 300 slides along the chute 101 through the slider 102, and the first connecting rod 300 is connected to the slider 102 in rotation, which not only makes the sliding process of the first connecting rod 300 more stable and smooth, but also avoids using the first connecting rod 300 directly. A connecting rod 300 slides on the chute 101 to cause sliding jamming, which ensures the continuity and stability of the sliding process, and utilizes the flexible connection mode between the first connecting rod 300 and the sliding block 102 to make the sliding During the sliding process of the block 102 driving the first connecting rod 300, the use of the rotating connection helps to adjust the relative position between the first connecting rod 300 and the sliding block 102 at any time, further enhancing the stability of the sliding process of the first connecting rod 300 To ensure that the first connecting rod 300 can open or close the door connecting seat 200 smoothly and stably.

Optionally, the chute 101 is arranged obliquely. In this way, the setting of the chute 101 can be made more reasonable, ensuring that the first connecting rod 300 can open or close the door body connecting seat 200 more smoothly when sliding along the chute 101, and at the same time, the chute 101 can be set obliquely, which is more convenient for control The safety gap between the refrigerator door and the obstacle during the opening process avoids the collision with the obstacle, improves the protection of the refrigerator, and also ensures the stability of the refrigerator opening process, and ensures the safety of the door connecting seat 200. The opening angle makes it easier for users to take items into the refrigerator, bringing users a better experience.

It can be understood that the oblique setting of the sliding slot 101 means that one end of the sliding slot 101 is close to the rear side wall of the box mounting base 100 , while the other end is close to the front side wall of the box mounting base 100 .

Optionally, the inclination angle of the chute 101 is greater than or equal to 5° and less than or equal to 45°. In this way, the inclination angle of the chute 101 is within a reasonable range, and the safety gap between the door body and the obstacle during the opening process can be controlled by adjusting the inclination angle of the chute 101, so as to avoid the collision with the obstacle and improve the safety of the door. The protection of the refrigerator also ensures the stability of the process of opening the refrigerator.

As shown in FIGS. 7-8 , optionally, the inclination angle of the chute 101 is proportional to the distance from the box mounting base 100 when the door connecting base 200 is fully opened. In this way, in order to meet the use requirements of the embedded refrigerator scene, the distance between the door body connecting seat 200 and the box body mounting seat 100 in the fully opened state needs to meet certain requirements in order to ensure the normal switch and use of the refrigerator door body, so that the door body connecting seat 200 is completely open. In the open state, the distance from the box mounting seat 100 is reasonably set to the inclination angle of the chute 101, that is, when the distance is large, the inclination angle of the chute 101 is increased; otherwise, when the distance is small, the inclination angle of the chute 101 is reduced , thereby reducing the influence of walls or other obstacles on the opening process of the door body connecting seat 200, avoiding the wall or other obstacles hindering the rotation and opening of the door body connecting seat 200, so that the embedded refrigerator can be opened smoothly, and improving the user experience. The convenience of use brings users a better experience.

Optionally, when the length of the chute 101 is constant, the inclination angle of the chute 101 and the distance from the box mounting seat 100 when the door connecting seat 200 is fully opened satisfy the following relationship:

y ₁ =0.06α ³ -0.06α ² +1.84α+95.51, wherein, y ₁ is the distance from the box mounting seat 100 when the door connecting seat 200 is fully opened, α is the inclination angle of the chute 101, and 0 °≤α≤90°.

In this way, according to the inclination angle of the chute 101 and using the above calculation formula, the distance between the door body connecting seat 200 and the box body mounting seat 100 when the door body connecting seat 200 is fully opened can be accurately calculated. According to the use requirements of the embedded refrigerator scene, use the above formula to accurately calculate the front displacement of the door body connecting seat 200, so as to facilitate more reasonable planning for the installation of the refrigerator, meet the use requirements of the embedded refrigerator scene, and make the installed refrigerator It is more convenient for users to use.

Optionally, the length of the chute 101 is proportional to the angle at which the door connecting base 200 can be opened relative to the box installing base 100 . In this way, in order to meet the user’s need for convenient access, the opening angle of the door body connecting seat 200 needs to be as large as possible, and the length of the chute 101 is proportional to the opening angle of the door body connecting seat 200. Reasonably set the openable angle of the door connecting seat 200 to achieve the purpose of making it easier for the user to access items in the refrigerator, improve the convenience of access, and enhance the user experience.

Optionally, when the inclination angle of the chute 101 is constant, the length of the chute 101 and the angle at which the door connecting seat 200 can be opened relative to the box mounting seat 100 satisfy the following relationship:

y ₂ =0.002l ₁ ³ -0.24l ₁ ² +9.98l ₁ -71.72, wherein, y2 is the angle at which the door connecting base 200 can be opened relative to the box mounting base 100 , and l ₁ is the length of the sliding groove 101 .

In this way, according to the length of the chute 101 and using the above calculation formula, the angle at which the door body connecting seat 200 can be opened relative to the box body mounting seat 100 can be accurately calculated, so that according to the user's use requirements and the installation space of the refrigerator, through reasonable setting The length of the chute 101 can control the opening angle of the door body connecting seat 200 in a more reasonable range, which not only facilitates the user to take items into the refrigerator, improves the convenience of access, but also reduces the impact of obstacles on the refrigerator door opening process. It can avoid the collision with obstacles when it is opened, and meet the requirements for the refrigerator to be installed in a specific installation scenario.

Optionally, the length between two connection points on the door body connecting seat 200 is inversely proportional to the angle at which the door body connecting seat 200 can be opened relative to the box body installation seat 100 . In this way, the greater the length between the two connection points on the door body connection seat 200, the smaller the angle at which the door body connection seat 200 can be opened; otherwise, the smaller the length between the two connection points on the door body connection seat 200, The larger the angle at which the door body connecting seat 200 can be opened, and because the opening angle of the door body connecting seat 200 needs to be as large as possible in order to meet the user's convenience for taking things, it can be based on the two connection points on the door body connecting seat 200 The length between them is reasonable to set the openable angle of the door body connecting seat 200, so as to facilitate the user to take items into the refrigerator and improve the convenience of access.

Optionally, the length between two connection points on the door body connecting seat 200 and the openable angle of the door body connecting seat 200 relative to the box body mounting seat 100 satisfy the following relationship:

y ₂ ＝0.01l ₂ ⁴ -0.25l ₂ ³ +21.85l ₂ ² -841.66l ₂ +12497.59, wherein, y2 is the angle at which the door connecting base 200 can be opened relative to the box mounting base 100, l ₂ is the door The length between two connection points on the connection base 200 .

In this way, according to the length between the two connection points on the door body connection seat 200 and using the above calculation formula, the angle at which the door body connection seat 200 can be opened relative to the box body installation seat 100 can be accurately calculated, so that according to user needs and In the installation space of the refrigerator, by reasonably setting the length between the two connection points on the door body connection seat 200, the opening angle of the door body connection seat 200 can be controlled in a more reasonable range, which is convenient for users to take items into the refrigerator. Improve the convenience of access, and reduce the impact of obstacles on the opening process of the refrigerator door, avoid collisions with obstacles when opening, and meet the requirements of the refrigerator when it is installed in a specific installation scenario.

Optionally, the length of the connection point between the second connecting rod 400 and the box mounting base 100 from the side of the box mounting base 100 is equal to the horizontal length between the side of the box mounting base 100 and the side of the door body connecting base 200 Proportional. In this way, in order to ensure that when the refrigerator is placed against the wall, the important areas of use such as drawers can be pulled out normally for use. The horizontal length of the box is very important, and the horizontal length of the two needs to be as small as possible to ensure that the drawer can be pulled out smoothly for use. Therefore, using the proportional relationship, the side of the box mounting seat 100 and the door connecting seat 200 can be set more reasonably. The horizontal length between the sides of the refrigerator reduces the impact on the most convenient area of the refrigerator and improves the convenience of the refrigerator.

As shown in FIG. 8 , optionally, the length of the connection point between the second link 400 and the box mounting base 100 from the side of the box mounting base 100 is the same as the side of the box mounting base 100 and the side surface of the door connecting base 200 The horizontal length between satisfies the following relationship:

y ₃ =0.001l ₃ ⁴ -0.01l ₃ ³ -2.34l ₃ ² +25.59l ₃ -5.49, wherein, y ₃ is the horizontal length between the side of the box mounting seat 100 and the side of the door connecting seat 200, l ₃ is the length from the connection point between the second connecting rod 400 and the box mounting base 100 to the side of the box mounting base 100 .

In this way, according to the length of the connection point between the second connecting rod 400 and the box mounting base 100 from the side of the box mounting base 100 and using the above calculation formula, the distance between the side of the box mounting base 100 and the door body connecting base 200 can be accurately calculated. The horizontal length between the sides can set the horizontal length between the box mounting seat 100 and the door body connecting seat 200 within a reasonable range, so as to ensure that the drawer can be pulled out normally when the refrigerator is placed against the wall, and avoid the worst use of the refrigerator. Convenience zones create even more wasteful situations.

It can be understood that the horizontal length between the side of the box mounting base 100 and the side of the door body connecting seat 200 means that, when the door body connecting seat 200 is opened to 90°, the front side of the door body connecting seat 200 and the The horizontal distance between the side walls of the box mount 100 .

Optionally, the length of the leftward displacement of the intersection point between the first link 300 and the second link 400 is inversely proportional to the horizontal length between the side of the box mounting base 100 and the side of the door connecting base 200, And satisfy the following relationship:

y ₃ =0.002l ₄ ³ +0.29l ₄ ² -24.42l ₄ +838.81, wherein, y ₃ is the horizontal length between the side of the box mounting seat 100 and the side of the door connecting seat 200, l ₄ is the first The intersection point between the link 300 and the second link 400 is displaced to the left by the length.

In this way, in order to ensure that when the refrigerator is placed against the wall, the important areas of use such as drawers can be pulled out normally for use. The horizontal length is very important, and the horizontal length between the two needs to be as small as possible to ensure that the drawer can be pulled out smoothly for use. The length of the leftward displacement of the staggered point, reasonably setting the horizontal length between the side of the box mounting base 100 and the side of the door connecting base 200, reduces the impact on the most convenient area of the refrigerator and improves the convenience of the refrigerator , to bring users a better experience.

Optionally, the length of the chute 101 can be adjusted. In this way, since the length of the chute 101 is proportional to the angle at which the door body connecting seat 200 can be opened relative to the box mounting seat 100, the greater the length of the chute 101, the greater the opening angle of the door body connecting seat 200, that is The opening angle of the door body connecting seat 200 changes with the length of the chute 101, so that the length of the chute 101 is set to be adjustable, so that the opening angle of the door body connecting seat 200 can be controlled by adjusting the length of the chute 101, so that The length of the chute 101 is flexibly set or adjusted according to the door opening requirements, which makes it easier for users to use the refrigerator and improves the convenience of storing and taking out items.

It is worth pointing out that, for the way of adjusting the length of the chute 101, a retractable baffle is set at one or both ends of the chute 101, and the length of the chute 101 is adjusted by shrinking or extending the baffle. In addition, the chute The adjustable length of 101 is essentially to adjust the slidable length of the slide block 102 in the chute 101. Therefore, a slidable stopper can be set in the chute 101, and the stopper can be used to limit the slidable length of the slide block 102 in the chute 101. The sliding length achieves the purpose of indirectly adjusting the length of the chute 101, and the specific structure and installation method of the baffle or the stopper are all prior art, and will not be repeated here.

Optionally, the first link 300 and the second link 400 have the same length. In this way, since the first connecting rod 300 and the second connecting rod 400 are hinged during the load-bearing process of the hinge, the two need to cooperate with each other to jointly bear the load, so that the lengths of the first connecting rod 300 and the second connecting rod 400 are set to be the same , can make the force distribution on the first connecting rod 300 and the second connecting rod 400 more uniform, improve the supporting force of the hinge assembly, and then make it adaptable to different door weights, and improve the adaptability of the hinge assembly.

Optionally, the center points of the first link 300 and the second link 400 meet each other. In this way, the centers of the two are hinged, so that the surroundings of the hinge points of the two are equal in length, better dispersing their load-bearing forces, and the force of the first connecting rod 300 and the second connecting rod 400 can be more balanced, and the hinge can be further strengthened. Component support.

As shown in FIG. 9 , optionally, the third connecting rod 500 has a bent section 501 . In this way, the bending section 501 is provided on the third connecting rod 500 so that when it is folded relative to the second connecting rod 400, a certain distance can be kept from the second connecting rod 400, so as to avoid the second connecting rod when the hinge is stored. The situation that the 400 and the third link 500 are locked mutually ensures the stability of the folding process of the hinge assembly.

It can be understood that, in order to better reduce the mutual influence between the second link 400 and the third link 500 during the rotation process, that is, to avoid the mutual locking between the two, the third link 500 can be The upper bending section 501 is arranged at a position close to the rotational connection point with the second connecting rod 400, thereby effectively ensuring the stability of the hinge assembly during the folding process.

An embodiment of the present disclosure provides a refrigerator, including the hinge assembly according to any one of the foregoing embodiments.

By arranging one end of the first connecting rod 300 to be rotationally and slidingly connected with the box mount 100, and setting the second connecting rod 400 rotatably interleaved with the first connecting rod 300, during the unfolding process of the hinge, the first connecting rod 400 One end of the rod 300 slides, and the other end of the first connecting rod 300 can be displaced accordingly. When the other end of the first connecting rod 300 is connected to the door body, it can drive the door body away from the box body, and can be used in a built-in refrigerator It can effectively prevent the door body from colliding with the obstacle of the cabinet body. Compared with the method of using the six-link hinge, the use of this hinge assembly can reduce at least one link and two hinge points, directly reducing the number of links and reducing the number of links. The thickness of the staggered layers between the rods can solve the problem of the thickness of the hinge most directly and fundamentally. It can effectively reduce the thickness of the installation connection while ensuring the same door opening function track, and can avoid the large thickness that causes it to be damaged. The overall volume of the refrigerator or the most convenient area will cause waste. At the same time, reducing the thickness will also help to make the overall structure of the refrigerator more symmetrical and coordinated, improve the aesthetics of the overall structure of the refrigerator, and make the refrigerator more observable. The staggered structure of the second connecting rod 400 and the first connecting rod 300 optimizes the connection form, enables the two to share load, helps to enhance the connection strength, adapts to different door weights, and improves the adaptability of the hinge assembly.

The above description and drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural and other changes. The examples merely represent possible variations. Individual components and functions are optional unless explicitly required, and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. 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 assembly, comprising:

a box body mounting seat (100);

a door body connecting seat (200);

one end of the first connecting rod (300) is rotationally and slidingly connected with the box body mounting seat (100), and the other end of the first connecting rod is rotationally connected with the door body connecting seat (200);

the second connecting rods (400) are arranged in a staggered mode with the first connecting rods (300), staggered points of the second connecting rods and the first connecting rods are rotationally connected, and one ends of the second connecting rods (400) are rotationally connected with the box body mounting seat (100);

and one end of the third connecting rod (500) is rotationally connected with the other end of the second connecting rod (400), and the other end of the third connecting rod is rotationally connected with the door body connecting seat (200).

2. The hinge assembly according to claim 1, wherein the case mounting base (100) is provided with a sliding groove (101), and one end of the first link (300) is slidable along the sliding groove (101).

3. The hinge assembly according to claim 2, wherein a slider (102) is provided in the chute (101), the slider (102) being defined to slide along the chute (101), one end of the first link (300) being rotatably connected to the slider (102).

4. Hinge assembly according to claim 2, characterized in that the chute (101) is arranged obliquely.

5. The hinge assembly of claim 4, wherein the inclination angle of the chute (101) is proportional to the distance from the box mount (100) in the fully opened state of the door connection (200).

6. The hinge assembly of claim 2, wherein the length of the chute (101) is proportional to the openable angle of the door body connection mount (200) relative to the box body mount (100).

7. The hinge assembly according to claim 6, characterized in that the length of the chute (101) is adjustable.

8. The hinge assembly of any one of claims 1 to 7, wherein the first link (300) and the second link (400) are the same length.

9. The hinge assembly of any one of claims 1 to 7, wherein the third link (500) has a bending section (501).

10. A refrigerator comprising a hinge assembly according to any one of claims 1 to 9.

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