CN114737837A - Hinged devices and refrigerators - Google Patents

Abstract

The invention discloses a hinge device and a refrigerator, wherein the hinge device comprises an upper hinge shell, a lower hinge shell, a fixed shaft, a swinging shaft, a sliding shaft, a connecting piece, a limiting part and an elastic supporting part, the hinge device is in a standing state, and in the standing state, the distance from the fixed shaft to the lower end of an upper connecting wall is greater than the distance from the fixed shaft to the upper end of the upper connecting wall. The door body of the freezer that utilizes this hinge means is at the in-process of opening, because the at least part region who goes up the connection wall is in the fixed axle below, so at the door body round fixed axle pivoted in-process, the door body upwards opens the in-process and has the weight of forward motion simultaneously, thereby when the door body is opened, the space that the door body was to the freezer rear was taken has been reduced, the freezer can be more close to the wall body and put, on the other hand has also reduced the freezer rear reserved space not enough to open the influence of angle to the door body, user's use experience has been improved.

Description

Hinged devices and refrigerators

technical field

The present invention relates to a hinge device, in particular to a refrigerator with the hinge device.

Background technique

Existing refrigerators are shown in Figures 1 to 4. In Figures 1 to 2, the door is closed. In Figures 3 to 4, the door of the refrigerator is turned upward to open, exposing the opening of the lower box. In daily use, users want to place the freezer as far back as possible against the wall to reduce the space occupied by the freezer. However, due to the thickness of the hinge itself and the structure of the hinge, it is necessary to reserve enough space at the back of the freezer. To ensure the normal opening of the door, it is necessary to reserve enough space behind the freezer. As shown in Figure 4, the distance from the refrigerator to the rear is at least d1+d2, where d1 is the distance from the end of the door body to the outer surface of the hinge, and d2 is the thickness of the hinge. Even if the thickness d2 of the hinge itself is reduced, the distance of d1 is difficult to change. Correspondingly, when the user places the freezer closer to the wall, the door cannot be fully opened, which affects the normal use of the freezer. The waste of space behind the freezer affects the user experience.

SUMMARY OF THE INVENTION

In order to solve the problem of space waste in the prior art, the purpose of the present invention is to provide a refrigerator with a hinge device occupying as little space at the rear of the refrigerator as possible.

In order to achieve the above purpose of the invention, an embodiment of the present invention provides a hinge device, including:

an upper hinge shell, which includes an upper connecting wall for connecting the door body;

a lower hinge shell, which includes a lower connecting wall for connecting the box;

a fixed shaft, the upper hinge shell and the lower hinge shell are both connected to the fixed shaft and rotate relatively around the fixed shaft;

a swing shaft, fixedly connected to the upper hinge shell and parallel to the fixed shaft;

a sliding shaft, slidably connected to the lower hinge shell and parallel to the swing shaft;

a connecting piece, which is pivotally connected to the swing shaft and the sliding shaft at the same time;

a limiting part, which limits the movement direction of the sliding shaft to be parallel to the lower connecting wall;

The elastic support part includes a fixed end fixedly connected with the lower connecting wall and a sliding end connected with the sliding shaft;

The hinge device has a resting state and an overturned state. In the resting state, the distance from the fixed shaft to the lower end of the upper connecting wall is greater than the distance to the upper end of the upper connecting wall.

As a further improvement of the present invention, the hinge device has a flipped state, and in the process of switching the hinge device from the rest state to the flipped state, the area located below the fixed shaft in the closed position has a forward direction component of movement.

As a further improvement of the present invention, in the resting state, the lower connecting wall and the upper connecting wall are both located on the first plane; during the process of switching the hinge device from the resting state to the flipping state wherein, the upper connecting wall is at least partially structurally moved to the front side of the first plane.

As a further improvement of the present invention, the limiting portion includes a sliding groove, the sliding groove includes a pair of limiting surfaces parallel to each other, and the sliding shaft is disposed between the pair of limiting surfaces.

As a further improvement of the present invention, the lower hinge shell includes a pair of lower side walls, and the lower side walls are provided with the sliding grooves.

As a further improvement of the present invention, the hinge device further includes a cover plate, and the limit portion includes a first limit member disposed on the cover plate or the lower hinge shell, and a first limit member disposed on the sliding shaft. Two limiters, one of the first limiter and the second limiter is set as a limiter block, and the other is set as a limiter slot, the first limiter and the second limiter pieces to match.

As a further improvement of the present invention, the elastic support portion includes a support beam, a support rod, and an elastic member sleeved on the outer side of the support rod, and the support beam includes the fixed end connected to the lower hinge shell, so One end of the elastic piece is fixed with the support beam, and the other end is abutted against the support rod, and the support rod includes the sliding end connected with the sliding shaft.

As a further improvement of the present invention, in the stationary state, the fixed shaft, the swing shaft and the sliding shaft are all on a vertical plane parallel to the upper connecting wall.

To achieve one of the above objectives of the invention, an embodiment of the present invention provides a refrigerator, including the above hinge device.

As a further improvement of the present invention, the refrigerator includes a box body connected to the lower hinge shell, and a door body connected to the upper hinge shell, the door body has a closed position, and in the closed position, the fixed shaft The axis is higher than the horizontal centerline of the rear wall of the door body.

Compared with the prior art, the present invention has the following beneficial effects: during the opening process of the door body of the refrigerator using the hinge device, since at least a part of the upper connecting wall is below the fixed axis, the door body surrounds the fixed axis In the process of rotation, the door body has a forward movement component in the process of upward opening, so that when the door body is opened, the space occupied by the door body behind the freezer is reduced, and the freezer can be placed closer to the wall. On the other hand, the influence of insufficient reserved space behind the refrigerator on the opening angle of the door body is also reduced, and the user experience is improved.

Description of drawings

Fig. 1 is the side view when the door of the existing refrigerator is closed;

Fig. 2 is a partial enlarged view at A' in Fig. 1;

Fig. 3 is the side view when the door of the existing refrigerator is opened;

Fig. 4 is a partial enlarged view at B' in Fig. 3;

5 is a schematic structural diagram of the hinge device in a static state according to an embodiment of the present invention;

6 is a partial structural schematic diagram of a door of a refrigerator according to an embodiment of the present invention when it is closed;

7 is a partial structural schematic diagram of the door of the refrigerator according to an embodiment of the present invention when it is opened;

Fig. 8 is the partial enlarged view of A place in Fig. 7;

9 is a schematic structural diagram of the hinge device in an overturned state according to an embodiment of the present invention;

Among them, 1000, refrigerator; 100, hinge device; 200, box body; 300, door body; 10, upper hinge shell; 11, upper connecting wall; 111, upper end; 112, lower end; 20, lower hinge shell; 21, lower connecting wall; 22, lower side wall; 30, fixed shaft; 50, swing shaft; 61, linkage part; 611, connecting piece; 612, sliding shaft; 613, limit part; 62, support rod; 63, elastic part; 64. Support beams.

Detailed ways

The present invention will be described in detail below with reference to the specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and structural, method, or functional changes made by those skilled in the art according to these embodiments are all included in the protection scope of the present invention.

It should be understood that terms such as "upper", "above", "lower", "below" and the like used herein indicating relative positions in space are for convenience of description to describe the relative position of an element or feature as shown in the drawings. relationship to another element or feature. The term spatially relative position may be intended to encompass different orientations of the device in use or operation in addition to the orientation shown in the figures.

An embodiment of the present invention provides a hinge device and a refrigerator with the hinge device. By redesigning the structure of the hinge, the occupation of the space behind the refrigerator during the opening of the door can be controlled, so that the refrigerator can be closer to the rear wall. Placed, reducing the waste of space behind the freezer.

The hinge device 100 can also be installed on refrigerators, vertical refrigerators, wine cabinets, dishwashers, microwave ovens and other equipment. In this embodiment, a refrigerator 1000 is provided, including a door body 300 and a box body 200. The box body 200 A refrigerating space is enclosed inside, and the door body 300 closes the refrigerating space. The door body 300 and the box body 200 are connected by a hinge device 100 , and the hinge device 100 supports the opening and closing of the door body 300 .

As shown in FIGS. 5 to 9 , an embodiment of the present invention discloses a hinge device 100 , which includes a lower hinge shell 20 , an upper hinge shell 10 , a fixed shaft 30 , a swing shaft 50 and an elastic support portion. The lower hinge shell 20 is used for The box body 200 is connected; the upper hinge shell 10 includes an upper connecting wall 11 for connecting the door body 300 ; The upper connecting wall 11 is a wall of the upper hinge shell 10 for connecting the door body 300 . The upper connecting wall 11 is attached to the door body 300 and rotates together with the door body 300 . The upper hinge case 10 is rotatably connected to the lower hinge case 20 through the fixed shaft 30 .

Since the rotation of the upper hinge shell 10 and the lower hinge shell 20 about the fixed shaft 30 is relative, the lower hinge shell 20 can be fixedly connected to the fixed shaft 30, the upper hinge shell 10 can be rotatably connected to the fixed shaft 30, or the lower hinge shell 20 can be connected Rotationally connected to the fixed shaft 30 , the upper hinge shell 10 is fixedly connected to the fixed shaft 30 , or the lower hinge shell 20 is rotatably connected to the fixed shaft 30 , and the upper hinge shell 10 is rotatably connected to the fixed shaft 30 . In this embodiment, the lower hinge shell 20 is rotatably connected to the fixed shaft 30 , and the upper hinge shell 10 is fixedly connected to the fixed shaft 30 .

The upper hinge shell 10 is fixedly connected to the door body 300, and the lower hinge shell 20 is fixedly connected to the box body 200. In order to clearly express the positions and directions described in this embodiment, in this embodiment, the horizontal refrigerator 1000 is taken as an example , it is defined that the opening of the box 200 of the refrigerator 1000 is upward, and the opposite direction is defined as downward. In the front, the hinge device 100 is located at the rear of the box body 200, and the two sides facing the box body 200 from the front are respectively defined as left and right.

The hinge device 100 has a resting state. The resting state is shown in FIGS. 5 to 6 . The resting state of the hinge device 100 corresponds to the closed position of the door body 300 . In addition, the hinge device 100 also has an overturned state, and the overturned state of the hinge device 100 corresponds to the open position of the door body 300 , as shown in FIGS. 7 to 9 .

2 and 4 of the prior art, in the prior art hinge device 100, the upper connecting wall 11 is located above the fixed shaft 30, the fixed shaft 30 is located on the upper connecting wall 11, and the lower hinge shell 20 is used for Connecting the position between the lower connecting walls 21 of the box body 200 , when the door body 300 is opened, the upper connecting wall 11 is rotated upward around the fixed shaft 30 .

In this embodiment, in the stationary state, the distance from the fixed shaft 30 to the lower end 112 of the upper connecting wall 11 is greater than the distance to the upper end 111 of the upper connecting wall 11; at least part of the upper connecting wall 11 is below the fixed shaft 30, referring to FIG. As shown in FIG. 6 , the fixed shaft 30 is located above the centerline of the upper connecting wall 11 , and there are many areas of the upper connecting wall 11 below the fixed shaft 30 . In addition, as many parts of the upper connecting wall 11 can be located on the fixed shaft as much as possible. Below 30 , it is different from the existing structure in which the upper connecting wall 11 is located above the fixed shaft 30 .

During the process of switching the hinge device 100 from the resting state to the flipping state, the part of the area located below the fixed shaft 30 in the closed position has a forward movement component. During the rotation of the door body 300 around the fixed shaft 30, since the upper connecting wall 11 is located in front of the fixed shaft 30, and the upper connecting wall 11 has a tendency to move upward, the upper connecting wall 11 is located below the fixed shaft 30. The region will have a forward movement component, corresponding to a forward movement component during the upward opening of the door body 300, that is, during at least part of the opening process of the door body 300, relative to the closed position, the door The part of the structure where the body 300 is connected with the upper connecting wall 11 moves forward. This allows the door body 300 to move to the front when the door body 300 is opened, as shown in FIG.

The movement to the front here means that, relative to the stationary state, the movement trajectory of the same point on the door is to move forward, thereby reducing the area where the door body 300 moves backward. 4 and 8, it can be seen that the distance that the door body 300 is farthest away from the rear wall of the hinge is reduced from d1 in the prior art to d3 in this embodiment. The space occupation behind the freezer 1000 is greatly reduced.

At this time, the freezer 1000 can be placed closer to the rear wall, and the heat dissipation structure of the freezer 1000 can be made on the sides, bottom, and front of the left and right sides of the freezer 1000, so that the freezer 1000 is placed close to the wall without affecting the heat dissipation.

The swing shaft 50 is connected to the lower hinge shell 20 , and the elastic support portion includes a fixed end fixedly connected with the lower hinge shell 20 , a receiving end connected with the swing shaft 50 , and an elastic support member disposed between the fixed end and the receiving end. The elastic support portion can play a role of supporting the door body 300 to hang.

Further, in the static state, the lower connecting wall 21 and the upper connecting wall 11 are both located on the first plane; in addition, when the door body 300 corresponding to the static state is closed, the rear wall of the door body 300 and the rear wall of the box body 200 can be are on the first plane.

During the process of switching the hinge device 100 from the resting state to the flipping state, at least part of the structure of the upper connecting wall 11 moves to the front side of the first plane. The area below the fixed shaft 30 moves to the front side of the first plane. In FIG. 8 , a part of the upper hinge wall is moved to the front of the first plane where the lower connecting wall 21 is located.

Further, the elastic support member includes a support beam 64, a support rod 62, and an elastic member 63 sleeved on the outer side of the support rod 62. The support beam 64 includes a fixed end connected to the lower hinge shell 20, and one end of the elastic member 63 is fixed to the support beam 64. , and the other end is in contact with the support rod 62 . The two ends of the support beam 64 are respectively connected to a pair of opposite side walls of the lower hinge shell 20. An opening is provided on the support beam 64, the support rod 62 passes through the opening, and the elastic member 63 can be set as a spring. Both ends can be provided with support sleeves, as shown in FIG.

The spring is always in a compressed state. Under the elastic action of the spring, when the upper hinge shell 10 is turned upward, the support rod 62 moves upward under the driving of the spring, the spring releases part of the elastic force, and the spring is still in a compressed state, so it can support the upper hinge. The opening of the hinge shell 10 saves effort in opening the door and supports the hovering of the door body 300 .

Further, as shown in FIG. 5 , the elastic support portion further includes a linkage portion 61 . The linkage portion 61 includes a sliding shaft 612 , a connecting member 611 and a limiting portion 613 . The sliding shaft 612 is slidably connected to the lower hinge shell 20 and is parallel to the swing shaft. 50, the support rod 62 is connected with the sliding shaft 612; the connecting member 611 includes a bearing end pivotally connected to the swing shaft 50, and the connecting member 611 is pivotally connected to the sliding shaft 612 at the same time; the limiting portion 613 is provided on the lower hinge shell 20 and defines The movement direction of the sliding shaft 612 .

The connecting member 611 is provided with two groups of round holes, the sliding shaft 612 passes through one group of round holes, and the swing shaft 50 passes through another group of round holes. Both the swing shaft 50 and the sliding shaft 612 can rotate in the round holes. When the 62 moves upward under the action of the spring, push the sliding shaft 612 to move upward along the limiting part 613, the sliding shaft 612 pushes the connecting piece 611 to move, and the connecting piece 611 is connected to the swing shaft 50 to drive the swing shaft 50 to move, and then supports the upper Movement of the hinged housing 10 .

The limiting portion 613 is configured as a pair of sliding grooves on the opposite side walls of the lower hinge shell 20 . The sliding grooves include a pair of limiting surfaces parallel to each other, and the sliding shaft 612 is disposed between the pair of limiting surfaces. The sliding shaft 612 slides along the sliding groove, the sliding groove can be a through hole or a blind hole, the longitudinal section of the sliding groove can be waist-shaped, and the width between a pair of limit surfaces is equal to or slightly larger than the diameter of the sliding groove shaft, and the sliding shaft 612 Slide between a pair of limit surfaces.

The lower hinge housing 20 includes a pair of lower side walls 22, and the lower side walls 22 are provided with sliding grooves. The lower side walls 22 are respectively arranged on both sides of the connecting plate of the box body 200. A pair of lower side walls 22 are arranged relatively parallel. Correspondingly, the sliding grooves on each lower side wall 22 are also correspondingly parallel to each other. The sliding grooves of the lower side walls 22 that are parallel to each other move upward to ensure that they are always parallel to the connecting plate and the rotating shaft of the box body 200 during the movement.

The extending direction of the sliding groove is the vertical direction, and the sliding shaft 612 moves up and down in the sliding groove in the vertical direction. In addition, the limiting portion 613 may also be provided on the bottom wall connecting the two side walls.

The hinge device 100 further includes a cover plate, and the limiting portion 613 includes a first limiting member disposed on the cover plate or the lower hinge shell 20, and a second limiting member disposed on the sliding shaft 612. The first limiting member and the second limiting member One of the limiting pieces is set as a limiting block, and the other is set as a limiting slot, and the first limiting piece is matched with the second limiting piece. When the limit block moves in the limit slot, the two limit each other, so that the limit block can only slide in a certain direction, and the limit slot and the limit block are both parallel to the connecting plate of the box body 200, which plays a role in limiting elasticity The movement direction of the support part can only be parallel to the connection plate of the box body 200 and the movement direction is fixed.

When the sliding shaft 612 moves to the uppermost end 111 in the sliding groove, the door body 300 is opened to the maximum angle. By limiting the length of the sliding groove, the opening angle of the door body 300 of the horizontal refrigerator 1000 can be limited between 0-80° .

Further, in the resting state, the fixed shaft 30 , the swing shaft 50 and the sliding shaft 612 are all on a vertical plane parallel to the upper connecting wall 11 . In this way, the thickness of the hinge device 100 can be the thinnest state.

Under the support of the fixed end of the elastic support part, the sliding end moves parallel to the connecting plate of the box body 200 along with the movement of the sliding shaft 612, that is, the movement in the direction perpendicular to the connecting plate of the box body 200 is avoided, and the required movement inside the box is avoided. The space is reduced, and the thickness of the hinge device 100 can be made thinner.

Through the above arrangement, the thickness of the hinge device 100 can be reduced, so that the distance of the door body 300 farthest from the rear wall of the hinge is reduced from d2 in the prior art to d4 in this embodiment, as shown in FIGS. 2 and 8 . In contrast, the space occupation behind the freezer 1000 is further greatly reduced.

Compared with the prior art, this embodiment has the following beneficial effects:

During the opening process of the door body 300 of the refrigerator 1000 using the hinge device 100, since at least part of the upper connecting wall 11 is below the fixed shaft 30, during the rotation of the door body 300 around the fixed shaft 30, the door body When the door 300 is opened upwards, it also has a forward movement component, so when the door 300 is opened, the space occupied by the door 300 behind the refrigerator 1000 is reduced, and the refrigerator 1000 can be placed closer to the wall. The influence of insufficient reserved space behind the refrigerator 1000 on the opening angle of the door body 300 is reduced, and the user experience is improved.

It should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution. This description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole, and each The technical solutions in the embodiments can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions for the feasible embodiments of the present invention, and they are not used to limit the protection scope of the present invention. Changes should all be included within the protection scope of the present invention.

Claims (10)

1. A hinge device, comprising:

the upper hinge shell comprises an upper connecting wall for connecting the door body;

a lower hinge case including a lower connection wall for connecting the case;

the upper hinge shell and the lower hinge shell are connected to the fixed shaft and rotate around the fixed shaft relatively;

a swing shaft fixedly connected to the upper hinge housing and parallel to the fixed shaft;

a sliding shaft slidably connected to the lower hinge housing and parallel to the swing shaft;

a link pivotally connected to both the swing shaft and the slide shaft;

the limiting part is used for limiting the motion direction of the sliding shaft to be parallel to the lower connecting wall;

the elastic supporting part comprises a fixed end fixedly connected with the lower connecting wall and a sliding end connected with the sliding shaft;

the hinge device has a standing state in which a distance from the fixed shaft to a lower end of the upper connecting wall is greater than a distance to an upper end of the upper connecting wall.

2. The hinge assembly of claim 1, wherein the hinge assembly has a flipped state, and wherein a region below the fixed axis in the closed position has a component of forward movement during switching of the hinge assembly from the resting state to the flipped state.

3. The hinge assembly of claim 2, wherein in the rest state, the lower connecting wall and the upper connecting wall are both located in a first plane; during the process of switching the hinge device from the rest state to the turnover state, at least part of the upper connecting wall moves to the front side of the first plane.

4. The hinge device according to claim 1, wherein the stopper portion includes a slide groove including a pair of stopper surfaces parallel to each other, the slide shaft being disposed between the pair of stopper surfaces.

5. The hinge apparatus of claim 4, wherein the lower hinge housing comprises a pair of lower sidewalls, the lower sidewalls providing the sliding slot.

6. The hinge device according to claim 1, further comprising a cover plate, wherein the limiting portion comprises a first limiting member disposed on the cover plate or the lower hinge housing, and a second limiting member disposed on the sliding shaft, one of the first limiting member and the second limiting member is configured as a limiting block, the other is configured as a limiting groove, and the first limiting member and the second limiting member are engaged with each other.

7. The hinge assembly of claim 1, wherein the elastic support comprises a support beam, a support rod, and an elastic member sleeved outside the support rod, the support beam comprises the fixed end connected to the lower hinge housing, one end of the elastic member is fixed to the support beam, the other end of the elastic member abuts against the support rod, and the support rod comprises the sliding end connected to the sliding shaft.

8. The hinge device according to claim 1, wherein in the rest state, the fixed shaft, the swinging shaft and the sliding shaft are all on a vertical plane parallel to the upper connecting wall.

9. A refrigerator comprising the hinge device according to any one of claims 1 to 8.

10. The cooler of claim 9, including a cabinet connected to the lower hinge shell and a door connected to the upper hinge shell, the door having a closed position in which an axis of the stationary shaft is higher than a horizontal centerline of a rear wall of the door.

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