CN220133751U - Door hinge and embedded refrigerator - Google Patents

Abstract

The utility model provides a door hinge, sets up between door body and box, includes hinge axle, hinge base and door body connecting plate, and the door body top is arranged in to the hinge base and its inside is equipped with a moving component, and the one end of hinge axle rotates with the top of box to be connected, and the other end stretches into inside the hinge base and rotates with the hinge base to be connected, and the hinge axle is located the inside tip of hinge base and is connected with the moving component drive through a drive assembly, and the one end and the door body top fixed connection of door body connecting plate, the other end and moving component drive are connected, open or close the door body with the hinge base rotate and force the moving component to drive the door body to keep away from or be close to the box through the drive of moving component, have at least 90 between door body and the box and open the door space between the two to make the embedded refrigerator door body that has this door hinge can not interfere with the cupboard when opening, the pull-out distance of refrigerator inside drawer is also bigger, and it is very convenient to get and put article.

Description

Door hinge and embedded refrigerator

Technical Field

The utility model relates to the technical field of household appliances, in particular to a door hinge and an embedded refrigerator.

Background

In the existing home decoration design, in order to make the living room environment tidier, the home appliance is generally designed in an embedded mode, namely a cabinet type housing is designed for the home appliance, the home appliance is embedded into the housing, and then a cabinet door capable of being opened and closed is arranged on the housing. The embedded refrigerator is an electrical product used in a cabinet, and the refrigerator door is directly driven to be opened by opening the cabinet door, so that the space is saved, the appearance is fashionable, and the embedded refrigerator becomes a trend of the refrigerator industry.

At present, most of existing embedded refrigerators cannot be embedded seamlessly, and when a refrigerator door is opened, the side edge of a door body can extend out of the side edge of the refrigerator body, so that interference is caused between the refrigerator door and a cabinet. Therefore, a certain gap is reserved on two sides of the refrigerator so as to switch the refrigerator door body, but dust in the gap is difficult to clean due to the depth of the refrigerator door body, and the use feeling of a user is poor. In addition, the door opening angle of some embedded refrigerator door bodies cannot reach the maximum design angle, so that drawers in the refrigerator cannot be pulled out to a normal distance, and users are very inconvenient to take and put articles.

Disclosure of Invention

Accordingly, an object of the present utility model is to provide a door hinge and an embedded refrigerator using the same, which solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a door hinge, sets up between door body and box, includes hinge axle, hinge base and door body connecting plate, the hinge base is arranged in door body top and its inside is equipped with a removal subassembly, the one end of hinge axle with the top of box rotates to be connected and part with the attached contact in top of box, the other end stretches into inside the hinge base and with the hinge base rotates to be connected, the hinge axle is located the inside tip of hinge base pass through a drive assembly with remove the subassembly drive and be connected, the one end of door body connecting plate with door body top fixed connection, the other end with remove the subassembly drive and be connected, open or close the door body so that the hinge base for the hinge axle rotates and passes through the drive assembly transmission forces remove the subassembly drive the door body is kept away from or is close to the box.

Preferably, the moving assembly comprises a driving gear, a driven gear and a moving chain, the driving gear and the driven gear are respectively arranged at two ends of the inside of the hinge base in a rotating mode, the moving chain is connected between the driving gear and the driven gear in a meshed mode, the side face, which is not meshed with the driving gear and the driven gear, of the moving chain is fixedly connected with the door connecting plate, and the driving gear is in driving connection with the transmission assembly.

Preferably, the transmission assembly comprises a transmission rod, the transmission rod is movably arranged in the hinge base and positioned between the top of the driving gear and the top of the inner side of the hinge base, one end of the transmission rod is connected with the end of the hinge shaft through a first transmission piece, the other end of the transmission rod is connected with the driving gear through a second transmission piece, and the hinge shaft drives the transmission rod to reciprocate through the first transmission piece and is driven by the second transmission piece to drive the driving gear to rotate.

Preferably, the first transmission member includes a first transmission tooth and a first driving tooth, the end portion of the hinge shaft located in the hinge base is arc-shaped, a plurality of first driving teeth are uniformly arranged on the end face of the end portion of the hinge shaft, a plurality of first transmission teeth are uniformly arranged on the side face of the transmission rod at positions corresponding to the end portion of the hinge shaft, and the hinge shaft is meshed with the first transmission teeth through the first driving teeth so as to be in driving connection with the transmission rod.

Preferably, the second transmission member includes a second transmission gear and a second rotation gear, the second rotation gear is coaxially disposed at the top of the driving gear, a plurality of second transmission gears are uniformly disposed at positions of the side surface of the transmission rod corresponding to the second rotation gear, and the transmission rod is meshed with the second rotation gear through the second transmission gears so as to be in driving connection with the driving gear.

Preferably, a limiting component is further arranged between the hinge shaft and the hinge base, the limiting component comprises a connecting rod, a limiting block and a bar-shaped limiting hole, the top surface of the hinge shaft is convexly provided with the limiting block, one end of the connecting rod is rotationally connected with the top of the hinge base, the other end of the connecting rod extends towards the hinge shaft direction and is provided with the bar-shaped limiting hole along the length direction of the connecting rod, the limiting block penetrates through the bar-shaped limiting hole, and the hinge base rotates relative to the hinge shaft so that the limiting block moves in the bar-shaped limiting hole.

Preferably, a limiting component is further arranged between the hinge shaft and the hinge base, the limiting component comprises a connecting rod, a limiting block and a strip-shaped limiting groove, one end of the connecting rod is rotationally connected with the top surface of the hinge base, the other end of the connecting rod extends towards the hinge shaft and is convexly provided with the limiting block towards the side surface of the hinge shaft, the top surface of the hinge shaft corresponds to the moving path of the limiting block, the strip-shaped limiting groove is concavely provided with the limiting block, the limiting block is slidably arranged in the strip-shaped limiting groove, and the hinge base rotates relative to the hinge shaft so that the limiting block moves in the strip-shaped limiting groove.

The utility model also provides an embedded refrigerator which comprises the door hinge, a refrigerator body and a door body, wherein a door seal is arranged on the periphery of the inner side wall of the door body, when the door body is in a closed state, the door seal on the door body is attached to and sealed with the end face of the refrigerator body, which is provided with an opening, and when the door body is in an open state, the door seal on the side of the door body and the end face of the side, which is provided with the opening, of the refrigerator body are provided with a door opening distance.

Compared with the prior art, the door hinge provided by the utility model has the advantages that the movable component and the transmission component are arranged in the hinge base, so that the door body can rotate relative to the box body and can be far away or close relative to the box body, at least 90 degrees of door opening angle is formed between the door body and the box body, and the door opening distance is formed between the door body and the box body, so that the embedded refrigerator door body with the door hinge cannot interfere with a cabinet when being opened, corresponding gaps are not needed to be reserved on two sides of the refrigerator, thereby reducing sanitary dead angles, the pull-out distance of a drawer in the refrigerator is larger, and the refrigerator is convenient for taking and placing articles.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a door hinge according to the present utility model;

FIG. 2 is a schematic view of the hinge shaft and hinge base in a fully closed position;

FIG. 3 is a schematic view of the interior of the hinge base of FIG. 2;

FIG. 4 is a schematic view of the hinge shaft and hinge base in a semi-open configuration;

FIG. 5 is a schematic view of the hinge shaft and hinge base in a fully open configuration;

FIG. 6 is a schematic view of the interior of the hinge base of FIG. 5;

fig. 7 is a schematic structural diagram of an embedded refrigerator according to the present utility model.

Reference numerals and description of the components referred to in the drawings:

1. a case; 2. a door body; 3. a hinge shaft; 4. a hinge base; 5. a door body connecting plate; 6. a drive gear; 7. a driven gear; 8. moving the chain; 9. a transmission rod; 10. a first drive tooth; 11. a first drive tooth; 12. a second drive tooth; 13. a second rotating gear; 14. a connecting rod; 15. a limiting block; 16. and a bar-shaped limiting hole.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in the following detailed description. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 7, in order to intuitively understand the use scene and the use effect of the door hinge provided in the present embodiment, the present embodiment further provides an embedded refrigerator using the door hinge, so that the door hinge and the embedded refrigerator are described in combination. The embedded refrigerator provided by the embodiment is consistent with the embedded refrigerator in the prior art, and comprises a refrigerator body 1 and a door body 2, and door seals are arranged on the periphery of the inner side wall of the door body 2 to ensure the tightness of the door body 2. In contrast, the door hinge provided in the present embodiment is adopted between the door body 2 and the case body 1.

The door hinge comprises a hinge shaft 3, a hinge base 4 and a door body connecting plate 5, wherein the hinge base 4 is arranged at the top of the door body 2 and is internally provided with a moving assembly, one end of the hinge shaft 3 is rotationally connected with the top of the box body 1 and is partially in contact with the top of the box body 1 in an attached manner so as to be connected with the strength, the other end of the hinge shaft extends into the hinge base 4 and is rotationally connected with the hinge base 4, the end part of the hinge shaft 3, which is positioned in the hinge base 4, is in driving connection with the moving assembly through a transmission assembly, one end of the door body connecting plate 5 is fixedly connected with the top of the door body 2, and the other end of the hinge shaft is in driving connection with the moving assembly. When the door body 2 is closed, the door seal strip on the door body 2 is attached and sealed with the end face of the box body 1, which is provided with the opening. When the door body 2 is opened, the hinge base 4 rotates along with the door body 2 so that the hinge base 4 and the hinge shaft 3 rotate relatively, and the transmission component at the end part of the hinge shaft 3 drives the moving component to move in the rotation process, so that the door body 2 is driven to be far away from the box body 1, a door sealing strip positioned on the side of the door body 2 is provided with a door opening distance with the side end face of the box body 1, interference between the door body 2 and a peripheral cabinet or wall body method in the opening process is avoided, and the pull-out distance of a drawer in the refrigerator is larger.

The moving assembly comprises a driving gear 6, a driven gear 7 and a moving chain 8, wherein the driving gear 6 and the driven gear 7 are respectively arranged at two ends of the inside of the hinge base 4 in a rotating way, the moving chain 8 is connected between the driving gear and the driven gear in a meshed way, and the side surface of the moving chain 8, which is not meshed with the driving gear 6 and the driven gear 7, is fixedly connected with the door body connecting plate 5. The driving gear 6 is in driving connection with the driving gear 6 through the transmission assembly so as to enable the driving gear 6 to rotate in the forward direction or the reverse direction, the moving chain 8 moves along with the driving gear, and the door body 2 moves along with the driving gear and is close to or far from the box body 1 through the door body connecting plate 5.

The transmission assembly comprises a transmission rod 9, the transmission rod 9 is movably arranged at a position between the top of the driving gear 6 inside the hinge base 4 and the top of the inner side of the hinge base 4, one end of the transmission rod 9 is connected with the end part of the hinge shaft 3 through a first transmission piece, the other end of the transmission rod 9 is connected with the driving gear 6 through a second transmission piece, the hinge base 4 and the hinge shaft 3 relatively rotate when the door body 2 is opened or closed along with the hinge base 4, and the hinge shaft 3 drives the transmission rod 9 to reciprocate through the first transmission piece and is driven by the second transmission piece to drive the driving gear 6 to rotate forwards or reversely. In this embodiment, the first driving member includes a first driving gear 10 and a first driving gear 11, by designing the end of the hinge shaft 3 located in the hinge base 4 to be arc-shaped and uniformly arranging a plurality of first driving gears 11 on the end surface thereof, meanwhile, the side surface of the driving rod 9 is uniformly provided with a plurality of first driving gears 10 at the position corresponding to the end of the hinge shaft 3 and engaged with the first driving gears 11 on the end of the hinge shaft 3, when the hinge shaft 3 rotates, the driving rod 9 can move in the hinge base 4 through the engaged transmission between the first driving gears 11 and the first driving gears 10, and then the driving gear 6 rotates through the transmission of the second driving member at the other end of the driving rod 9.

The second transmission part comprises second transmission teeth 12 and second rotation gears 13, the top of the driving gear 6 is coaxially provided with the second rotation gears 13, and a plurality of second transmission teeth 12 are uniformly arranged on the side surface of the transmission rod 9 at positions corresponding to the second rotation gears 13 and are in meshed connection with the second rotation gears 13.

The door body 2 is rotated relative to the case body 1 to open, so that the hinge base 4 and the hinge shaft 3 rotate. The hinge shaft 3 rotates and the transmission rod 9 moves in the hinge base 4 by engagement of the first driving tooth 11 at its end with the first driving tooth 10 on the transmission rod 9. During the movement of the transmission rod 9, the driving gear 6 is meshed with the second transmission gear 12 on the transmission rod 9 through the second rotation gear 13 on the driving gear so that the driving gear can rotate along with the movement of the transmission rod 9, and the moving chain 8 is further forced to rotate so as to drive the door body 2 to move away relative to the box body 1, so that the door sealing strip on the side of the door body 2 has a door opening distance with the side end surface of the box body 1 provided with the opening. When the door body 2 is rotated and closed relative to the box body 1, the door body 2 can move under the transmission action of the series of structures and close to the box body 1 to eliminate the gap between the door and the door, so that the door sealing strip on the door body 2 is attached to the end face of the box body 1, where the opening is formed, and is sealed.

In the actual use process, the distance from the center of the rotating connection of the hinge shaft 3 and the box body 1 to the far end of the hinge base 4 can be simply understood as the distance from the center of the rotating connection of the hinge shaft 3 and the box body 1 to the rotating side of the door body 2, which is close to the box body 1, when the door body 2 is in the closed state, the distance between the door body 2 and the box body is 200mm, when the door body 2 is in the half-open state, the distance between the door body 2 and the box body is 190mm, and when the door body 2 is in the full-open state, the distance between the door body 2 and the box body is 180mm. Therefore, the embedded refrigerator adopting the door hinge can be directly understood that the side of the door body 2 is not protruded out of the side of the refrigerator body 1 when the door body 2 is in the full-open state, and the door body 2 is not interfered with a cabinet or a wall body.

Further, in order to prevent the door body 2 from interfering with the cabinet or the wall due to the overlarge rotation angle of the door body 2 relative to the box body 1, a limiting component is further arranged between the hinge shaft 3 and the hinge base 4. In this embodiment, the spacing subassembly is including connecting rod 14, stopper 15 and bar spacing hole 16, and the protruding stopper 15 that is equipped with in top surface of hinge axle 3, and the one end of connecting rod 14 is rotated with the top of hinge base 4 and is connected, and the other end extends towards hinge axle 3 direction and has seted up bar spacing hole 16 along its length direction, and stopper 15 runs through bar spacing hole 16 and sets up, and hinge base 4 rotates so that stopper 15 removes in bar spacing hole 16 for hinge axle 3. When the door body 2 is closed, the limiting block 15 is positioned at one end of the bar-shaped limiting hole 16 and abuts against the bar-shaped limiting hole, in the opening process of the door body 2, the hinge base 4 rotates relative to the hinge shaft 3, so that the end part of the connecting rod 14, which is provided with the bar-shaped limiting hole 16, moves towards the hinge shaft 3, namely the limiting block 15 moves towards the other end in the bar-shaped limiting hole 16, until the limiting block 15 moves to the other end of the bar-shaped limiting hole 16 and abuts against the bar-shaped limiting hole, and when the rotation angle between the hinge shaft 3 and the hinge base 4 reaches the limit, namely the door body 2 is at the maximum door opening angle, the door body 2 is limited to be opened continuously in a rotating manner relative to the box body 1.

The spacing subassembly can also adopt another structure, including connecting rod 14, stopper 15 and bar spacing groove (not shown in the figure), the one end of connecting rod 14 rotates with the top surface of hinge base 4 to be connected, and the other end extends towards hinge axis direction 3 and is protruding stopper 15 that is equipped with in the side department towards hinge axis 3, and the top surface of hinge axis 3 corresponds the concave bar spacing groove that is equipped with of the travel path of stopper 15, and stopper 15 slides and sets up in bar spacing inslot, and hinge base 4 rotates so that stopper 15 removes in bar spacing inslot for hinge axis 3. When the door body 2 is closed, the limiting block 15 is positioned at one end of the bar-shaped limiting groove and abuts against the bar-shaped limiting groove, in the opening process of the door body 2, the hinge base 4 rotates relative to the hinge shaft 3, so that the end part of the connecting rod 14 provided with the limiting block 15 moves towards the hinge shaft 3, namely the limiting block 15 moves towards the other end in the bar-shaped limiting groove, until the limiting block 15 moves to the other end of the bar-shaped limiting groove and abuts against the bar-shaped limiting groove, the rotation angle between the hinge shaft 3 and the hinge base 4 reaches the limit, namely the door body 2 is at the maximum opening angle, and the door body 2 is limited to continue to rotate and open relative to the box body 1.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. A door hinge sets up between door body and box, its characterized in that: including hinge axle, hinge base and door body connecting plate, the hinge base is arranged in door body top and its inside is equipped with a removal subassembly, the one end of hinge axle with the top of box rotates to be connected and part with the attached contact in top of box, the other end stretches into inside the hinge base and with the hinge base rotates to be connected, the hinge axle is located the inside tip of hinge base pass through a drive assembly with remove the subassembly drive and be connected, the one end of door body connecting plate with door body top fixed connection, the other end with remove the subassembly drive and be connected, open or close the door body so that the hinge base for the hinge axle rotates and passes through the drive assembly transmission forces remove the subassembly drive the door body is kept away from or is close to the box.

2. A door hinge as claimed in claim 1, wherein: the movable assembly comprises a driving gear, a driven gear and a movable chain, wherein the driving gear and the driven gear are respectively arranged at two ends of the inside of the hinge base in a rotating mode, the movable chain is connected between the driving gear and the driven gear in a meshed mode, the movable chain is not fixedly connected with the door body connecting plate on the side face, meshed with the driving gear and the driven gear, of the movable chain, and the driving gear is in driving connection with the transmission assembly.

3. A door hinge as claimed in claim 2, wherein: the transmission assembly comprises a transmission rod, the transmission rod is movably arranged at a position between the top of the driving gear and the top of the inner side of the hinge base in the hinge base, one end of the transmission rod is connected with the end part of the hinge shaft through a first transmission piece, the other end of the transmission rod is connected with the driving gear through a second transmission piece, and the hinge shaft drives the transmission rod to reciprocate through the first transmission piece and is driven by the second transmission piece to drive the driving gear to rotate.

4. A door hinge according to claim 3, wherein: the hinge shaft is located at the end part in the hinge base, the end part is arc-shaped, a plurality of first driving teeth are uniformly arranged on the end face of the hinge shaft, a plurality of first driving teeth are uniformly arranged at the side face of the driving rod at the position corresponding to the end part of the hinge shaft, and the hinge shaft is meshed with the first driving teeth through the first driving teeth so as to be in driving connection with the driving rod.

5. A door hinge according to claim 3, wherein: the second transmission piece comprises second transmission teeth and a second rotation gear, the second rotation gear is coaxially arranged at the top of the driving gear, a plurality of second transmission teeth are uniformly arranged at the position, corresponding to the second rotation gear, of the side face of the transmission rod, and the transmission rod is meshed with the second rotation gear through the second transmission teeth so as to be in driving connection with the driving gear.

6. A door hinge as claimed in claim 1, wherein: still be equipped with a spacing subassembly between the hinge axle with the hinge base, spacing subassembly is including connecting rod, stopper and the spacing hole of bar, the top surface of hinge axle is protruding to be equipped with the stopper, the one end of connecting rod with the top of hinge base rotates to be connected, and the other end orientation the hinge axle direction extends and has seted up the spacing hole of bar along its length direction, the stopper runs through the spacing hole of bar sets up, the hinge base for the hinge axle rotates so that the stopper is in the spacing downthehole removal of bar.

7. A door hinge as claimed in claim 1, wherein: still be equipped with a spacing subassembly between the hinge axle with the hinge base, spacing subassembly is including connecting rod, stopper and bar spacing groove, the one end of connecting rod with the top surface of hinge base rotates to be connected, and the other end orientation the hinge axle direction extends and is being equipped with towards the protruding side department of hinge axle the stopper, the top surface of hinge axle corresponds the travel path of stopper is concave to be equipped with bar spacing groove, the stopper slides and sets up in the bar spacing inslot, the hinge base for the hinge axle rotates so that the stopper is in bar spacing inslot removes.

8. An embedded refrigerator, characterized in that: the door hinge, the box body and the door body comprise any one of the above claims 1-7, a door seal is arranged on the periphery of the inner side wall of the door body, when the door body is in a closed state, the door seal on the door body is attached and sealed with the end face of the box body, where an opening is arranged, and when the door body is in an open state, the door seal on the side of the door body and the end face of the side, where the opening is arranged, of the box body are provided with a door opening distance.