CN114251902B

CN114251902B - Refrigerator with a refrigerator body

Info

Publication number: CN114251902B
Application number: CN202011027198.4A
Authority: CN
Inventors: 李卓厉; 姜波; 吕鹏
Original assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2023-09-15
Anticipated expiration: 2040-09-25
Also published as: CN114251902A

Abstract

The invention provides a refrigerator, comprising: a box body, in which a storage compartment is defined; the door body is arranged at the front side of the box body and used for opening and closing the storage compartment, and comprises a fixed door plate and at least one movable door plate, wherein the fixed door plate is fixedly connected with the box body, and the at least one movable door plate is movably connected with the fixed door plate; and a driving mechanism configured to drive the at least one movable door panel to move towards a side far from the fixed door panel to extend the door body to close the storage compartment, and drive the at least one movable door panel to move towards a side close to the fixed door panel to retract the door body to at least partially open the storage compartment. The door body of the refrigerator can be opened and closed through the driving mechanism, and manual force is not needed.

Description

Refrigerator with a refrigerator body

Technical Field

The invention relates to the technical field of refrigeration and freezing devices, in particular to a refrigerator.

Background

At present, in order to keep the preservation temperature of a storage compartment, a pivoting door body is arranged at the front side of the storage compartment, and the existing pivoting door body can effectively provide a heat preservation effect, but the existing door body generally comprises a front panel, an upper decorative strip, a lower decorative strip, a left decorative strip, a right decorative strip, a door liner and other parts, is complex to assemble, a door opening space is reserved at the front side of the refrigerator, various food materials are needed to be stored in daily life by the refrigerator, the door body of the refrigerator is needed to be opened by hands for many times, and the times of opening and closing the door body of the refrigerator are more felt to be laborious for old people and children. In addition, the existing refrigerator door body has the problems of serious homogenization, difficult distinction and unfavorable market competition.

Disclosure of Invention

An object of the present invention is to provide a refrigerator having a retractable door body.

A further object of the present invention is to enable a storage compartment of a refrigerator to be rapidly opened and closed.

In particular, the present invention provides a refrigerator including:

a box body, in which a storage compartment is defined;

the door body is arranged at the front side of the box body and used for opening and closing the storage compartment, and comprises a fixed door plate and at least one movable door plate, wherein the fixed door plate is fixedly connected with the box body, and the at least one movable door plate is movably connected with the fixed door plate; and

the driving mechanism is configured to drive the at least one movable door plate to move towards the side far away from the fixed door plate so as to enable the door body to extend to close the storage compartment, and drive the at least one movable door plate to move towards the side close to the fixed door plate so as to enable the door body to shrink to at least partially open the storage compartment.

Optionally, the number of the door bodies corresponding to each storage compartment is two, and the door bodies comprise an upper door body positioned at the upper part and a lower door body positioned at the lower part; the fixed door plate of the upper door body is fixed on the upper part of the box body of the storage compartment, and the fixed door plate of the lower door body is fixed on the lower part of the box body of the storage compartment; and the upper door body and the lower door body are configured to:

at least one movable door plate of the upper door body moves downwards relative to a fixed door plate of the upper door body, and at least one movable door plate of the lower door body moves upwards relative to the fixed door plate of the lower door body to close the storage compartment;

at least one movable door plate of the upper door body moves upwards relative to the fixed door plate of the upper door body, and at least one movable door plate of the lower door body moves downwards relative to the fixed door plate of the lower door body to open the storage compartment.

Optionally, the refrigerator further includes:

the voice input device is used for receiving voice instructions, and the voice instructions comprise door opening instructions and door closing instructions;

the refrigerator is further configured to: when a door opening instruction is received, the driving mechanism is controlled to drive the movable door plate to move towards one side close to the fixed door plate so as to open the storage compartment; when a door closing instruction is received, the driving mechanism is controlled to drive the movable door plate to move towards one side far away from the fixed door plate so as to enable the storage compartment to be closed.

Optionally, the refrigerator further includes:

a human sensing device configured to detect whether a user exists at a front side of the refrigerator;

the refrigerator is further configured to: when the human sensing device detects that a user exists on the front side of the refrigerator twice within a first preset time period, the driving mechanism is controlled to drive the movable door plate to move towards the side close to the fixed door plate so as to enable the storage compartment to be opened;

when the human sensing device detects that no user exists on the front side of the refrigerator twice in a second preset time period, the driving mechanism is controlled to drive the movable door plate to move towards the side far away from the fixed door plate so that the storage compartment is closed.

Optionally, the door body is configured to: when the storage compartment is closed, an overlapping area is formed between adjacent door plates; and vacuum insulation panels are respectively arranged in the fixed door plate and the movable door plate.

Optionally, the drive mechanism comprises a motor and a telescopic support unit, wherein

The motor is used for driving the telescopic supporting unit;

the telescopic supporting unit is configured to be connected with the motor and each movable door plate, and is driven by the motor to drive at least one movable door plate to move relative to the fixed door plate.

Optionally, the telescopic supporting unit comprises a first fixed sleeve, a first movable sleeve and a connecting rod;

the first fixing sleeve is arranged at the rear side of the fixing door plate and is provided with a first opening which penetrates up and down;

the first movable sleeve is sleeved in the first fixed sleeve through the first opening and driven by the motor to move upwards and downwards;

one end of the connecting rod is connected with the front side of the first movable sleeve, and the other end of the connecting rod is connected with the rear side of the movable door plate, so that the connecting rod drives the movable door plate to move upwards and downwards relative to the fixed door plate when driven by the first movable sleeve to move upwards and downwards.

Optionally, the number of the movable door panels is at least two;

the number of the first movable sleeves is the same as that of the movable door plates and corresponds to that of the movable door plates one by one, and two adjacent first movable sleeves are configured to be close to the first movable sleeves of the fixed door plates and are provided with second openings which are penetrated up and down, and the first movable sleeves far away from the fixed door plates are sleeved in the second openings;

the number of the connecting rods is the same as that of the first movable sleeves and corresponds to the first movable sleeves one by one.

Optionally, the telescopic supporting unit comprises a second fixed sleeve, a second movable sleeve, a movable bracket, an auxiliary bracket and a stretching mechanism; the second fixing sleeve is arranged at the rear side of the fixing door plate and is provided with a third opening which penetrates up and down; the second movable sleeve is sleeved in the second fixed sleeve through the third opening and driven by the motor to move upwards and downwards; a fourth opening is formed in the front side of the second movable sleeve, and one end of the movable support is connected with a stretching mechanism positioned in the movable sleeve; a limiting ring is arranged at the rear side of the movable door plate, one end of the auxiliary bracket is movably connected to the movable bracket, and the other end of the auxiliary bracket penetrates through the limiting ring;

the telescopic support unit is configured to: when the second movable sleeve moves to the side far away from the second fixed sleeve, the movable bracket and the auxiliary bracket extend out of the second movable sleeve through the fourth opening and push the movable door plate to move to the side far away from the fixed door plate; when the second movable sleeve moves to one side close to the second fixed sleeve, the movable support and the auxiliary support are driven by the stretching mechanism to retract into the second movable sleeve through the fourth opening and pull the movable door plate to move to one side close to the fixed door plate.

Optionally, the number of the movable door panels is at least two;

the number of the second movable sleeves is the same as that of the movable door plates and corresponds to that of the movable door plates one by one, and two adjacent second movable sleeves are configured to be close to the second movable sleeves of the fixed door plates and are provided with fifth openings which are penetrated up and down, and the second movable sleeves far away from the fixed door plates are sleeved in the fifth openings;

the number of the movable brackets is the same as that of the second movable sleeves and corresponds to the second movable sleeves one by one;

two sides of each movable support are symmetrically provided with an auxiliary support.

According to the refrigerator, the door body is arranged to comprise the fixed door plate and at least one movable door plate, the fixed door plate is fixedly connected with the refrigerator body, the movable door plate is movably connected with the fixed door plate, and the driving mechanism is arranged, so that the driving mechanism can drive the at least one movable door plate to move towards the side far away from the fixed door plate to enable the door body to extend so as to close the storage compartment, and drive the at least one movable door plate to move towards the side close to the fixed door plate so as to enable the door body to shrink so as to at least partially open the storage compartment, and therefore the door body of the refrigerator can be opened and closed through the driving mechanism without manual effort, and the use requirements of multiple family member users can be met.

Meanwhile, the door body is arranged into the split telescopic structure, so that compared with the existing pivoting door body, the refrigerator has the advantage that the whole door body is thinned, the refrigerator with the same volume can have a storage compartment with larger volume, and on the other hand, the door body of the refrigerator is opened and closed through telescopic operation, so that an opening area of the door body is not required to be reserved at the front side of the refrigerator, the occupied area of the refrigerator can be effectively saved, and the use experience of a user is further enhanced.

In addition, the structure of the door body of the refrigerator is completely different from that of the existing door body, and the overturned structural design ensures that the appearance of the refrigerator is obviously superior to that of the existing refrigerator, so that a user generates new sensory experience, and the refrigerator is beneficial to market competition.

Furthermore, the refrigerator is provided with the two door bodies corresponding to each storage compartment, and when the storage compartment needs to be opened and closed, the upper door body and the lower door body act simultaneously, so that the storage compartment can be opened and closed quickly.

Further, when the storage compartment is closed, the door body of the refrigerator is configured to have an overlapping area between the adjacent door plates, and the fixed door plates and the movable door plates are respectively internally provided with the vacuum insulation plates, so that the heat preservation effect of the door body is good.

The above, as well as additional objectives, advantages, and features of the present invention will become apparent to those skilled in the art from the following detailed description of a specific embodiment of the present invention when read in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the invention will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:

fig. 1 is a schematic perspective view of a refrigerator according to an embodiment of the present invention when a door body is opened.

Fig. 2 is a schematic perspective view of the refrigerator shown in fig. 1 when a door body is closed.

Fig. 3 is a block diagram showing a part of the components of the refrigerator shown in fig. 1.

Fig. 4 is a schematic perspective view of an embodiment of a lower door body of the refrigerator shown in fig. 1.

Fig. 5 is a schematic rear view of another embodiment of a door body of the refrigerator shown in fig. 1.

Fig. 6 is a schematic perspective view of a part of components of a lower door body of the refrigerator shown in fig. 5.

Detailed Description

In the following description, the azimuth or positional relationship indicated by "front", "rear", "upper", "lower", "left", "right", etc. is an azimuth based on the refrigerator 100 itself as a reference, as the direction indicated in fig. 2.

Fig. 1 is a schematic perspective view of a refrigerator 100 according to an embodiment of the present invention when a door body 200 is opened. Fig. 2 is a schematic perspective view of the refrigerator 100 shown in fig. 1 with the door 200 closed. Fig. 3 is a block diagram showing a part of the components of the refrigerator 100 shown in fig. 1. Fig. 4 is a schematic perspective view of one embodiment of the lower door 202 of the refrigerator 100 shown in fig. 1. Fig. 5 is a schematic rear view of another embodiment of a door body 200 of the refrigerator 100 shown in fig. 1. Fig. 6 is a schematic perspective view of a part of components of the lower door 202 of the refrigerator 100 shown in fig. 5.

As shown in fig. 1 and 2, a refrigerator 100 according to an embodiment of the present invention may generally include: the door comprises a box 101, a door 200 and a driving mechanism 300. The box 101 comprises a shell and a liner, wherein a storage compartment is defined in the liner, and a foaming layer is filled between the shell and the liner. The refrigerator 100 also has a refrigeration system, which may be, for example, a vapor compression refrigeration system. The door 200 is provided at the front side of the case 101 for opening and closing the storage compartment. The door body 200 of the embodiment of the present invention includes a fixed door panel 210 and at least one movable door panel 220, wherein the fixed door panel 210 is fixedly connected with the box body 101, and the at least one movable door panel 220 is movably connected with the fixed door panel 210. The drive mechanism 300 is configured to drive the at least one movable door panel 220 to move toward a side away from the fixed door panel 210 to extend the door body 200 to close the storage compartment, and to drive the at least one movable door panel 220 to move toward a side near the fixed door panel 210 to retract the door body 200 to at least partially open the storage compartment. In the refrigerator 100 shown in fig. 1 and 2, the storage compartments include a first storage compartment 111 at an upper portion and a second storage compartment 112 at a lower portion. The first storage compartment 111 may be a refrigerating compartment, and the door body 200 according to the embodiment of the present invention is disposed at the front side of the first storage compartment 111 for opening and closing the first storage compartment 111. Similarly, the door 200 according to the embodiment of the present invention may be disposed at the front side of the second storage compartment 112, and the second storage compartment 112 may be a freezing compartment, a temperature-changing compartment, or a refrigerating compartment. Hereinafter, for convenience of description, the door 200 according to the embodiment of the present invention will be described by taking the first storage compartment 111 as an example.

The refrigerator 100 according to the embodiment of the invention is configured to include the fixed door panel 210 and at least one movable door panel 220, fixedly connect the fixed door panel 210 with the refrigerator body 101, movably connect the movable door panel 220 with the fixed door panel 210, and provide the driving mechanism 300, so that the driving mechanism 300 can drive the at least one movable door panel 220 to move towards the side far away from the fixed door panel 210 to extend the door body 200 to close the storage compartment 111, and drive the at least one movable door panel 220 to move towards the side near the fixed door panel 210 to retract the door body 200 to at least partially open the storage compartment 111, so that the door body 200 of the refrigerator 100 can be opened and closed by the driving mechanism 300 without manual effort, and can more meet the use requirements of users of multiple families, especially for families with the old and children.

Meanwhile, the refrigerator 100 according to the embodiment of the invention has the advantages that the door body 200 is provided with the split telescopic structure, on one hand, compared with the existing pivoting door body, the door body 200 of the refrigerator 100 according to the embodiment of the invention is integrally thinned, so that the refrigerator 100 with the same volume can have the storage compartment 111 with larger volume, and on the other hand, as the door body 200 of the refrigerator 100 is telescopic to realize the opening and closing, the opening area of the door body 200 is not required to be reserved at the front side of the refrigerator 100, the occupied area of the refrigerator 100 can be effectively saved, and the use experience of a user is further enhanced.

In addition, the structure of the door body 200 of the refrigerator 100 according to the embodiment of the invention is completely different from that of the existing door body, and the overturned structural design makes the appearance of the refrigerator 100 obviously stand out from the existing refrigerator, so that a new sensory experience is generated for users, and the refrigerator is beneficial to market competition.

In some embodiments, the number of door bodies 200 corresponding to each storage compartment 111 is two, including an upper door body 201 at the upper portion and a lower door body 202 at the lower portion. The fixed door 210 of the upper door 201 is fixed to the upper portion of the case 101 of the storage compartment 111, and the fixed door 210 of the lower door 202 is fixed to the lower portion of the case 101 of the storage compartment 111. And the upper door 201 and the lower door 202 are configured to: at least one movable door panel 220 of the upper door body 201 moves downward with respect to the fixed door panel 210 of the upper door body 201, and at least one movable door panel 220 of the lower door body 202 moves upward with respect to the fixed door panel 210 of the lower door body 202 to close the storage compartment 111; at least one movable door panel 220 of the upper door body 201 moves upward with respect to the fixed door panel 210 of the upper door body 201, and at least one movable door panel 220 of the lower door body 202 moves downward with respect to the fixed door panel 210 of the lower door body 202 to open the storage compartment 111. According to the refrigerator 100 provided by the embodiment of the invention, two door bodies 200 are correspondingly arranged in each storage compartment 111, and when the storage compartments 111 need to be opened and closed, the upper door body 201 and the lower door body 202 act simultaneously, so that the storage compartments 111 can be quickly opened and closed, and the refrigerator 100 is more convenient to use. In the refrigerator 100 shown in fig. 1 and 2, an upper door 201 and a lower door 202 are provided at the front side of the first storage compartment 111. The upper door body 201 includes a fixed door panel 210 and two movable door panels 220. The lower door body 202 also includes a fixed door panel 210 and two movable door panels 220. The upper door 201 and the lower door 202 are symmetrically disposed at the front side of the first storage compartment 111. When the first storage compartment 111 needs to be closed, the two movable door panels 220 of the upper door 201 move downward to be stretched out, and the two movable door panels 220 of the lower door 202 move upward to be stretched out simultaneously, and the movable door panel 220 of the upper door 201 located at the lower side is in butt joint with the movable door panel 220 of the lower door 202 located at the upper side, so that the first storage compartment 111 is closed. When the first storage compartment 111 needs to be opened, the two movable door panels 220 of the upper door 201 move upward to retract to the fixed door panel 210 of the upper door 201, and at the same time, the two movable door panels 220 of the lower door 202 move downward to retract to the fixed door panel 210 of the lower door 202, so that the first storage compartment 111 is opened.

The control of the refrigerator 100 according to the embodiment of the present invention may be achieved by providing a door opening button and a door closing button on the refrigerator 100. When the door opening button or the door closing button is pressed or touched, the control device 700 of the refrigerator 100 sends a signal to the driving mechanism 300, thereby enabling the door body 200 to act. The refrigerator 100 of the embodiment of the present invention can also perform a contactless control as compared with the provision of the control buttons.

In some embodiments, the refrigerator 100 of the embodiment of the present invention further includes: the voice input device 400 is configured to receive voice commands, where the voice commands include a door opening command and a door closing command. The refrigerator 100 of the embodiment of the present invention is further configured to: when the door opening command is received, the driving mechanism 300 is controlled to drive the movable door panel 220 to move towards the side close to the fixed door panel 210 so as to open the storage compartment 111; when the door closing command is received, the driving mechanism 300 is controlled to drive the movable door 220 to move towards the side far away from the fixed door 210, so as to close the storage compartment 111. The voice input device 400 may be, for example, a microphone assembly. As shown in fig. 1, the voice input device 400 may be disposed on the right front side of the movable door panel 220 at the outermost side of the lower door body 202, so as to conveniently receive voice instructions of users of various heights. As shown in fig. 3, the refrigerator 100 further includes a control device 700, the control device 700 includes a processor 701 and a memory 702, the memory 702 stores a computer program 720, and the computer program 720 is used to implement a control method of the refrigerator 100 when executed by the processor 701. In some embodiments, the refrigerator 100 further includes a display device 600 that may be used to display door open and close instructions to prompt a user. The display device 600 may be used to display environmental information, food material information, and the like in the storage compartment 111. For example, the door open command is set to "please open, 121", the door close command is set to "please close, 221", and the "door open command" is shown in the display device 600: please open the door 121; door closing instructions: please close the door, 221). When the voice input device 400 receives "please open the door 121", the control device 700 controls the driving mechanism 300 to move the movable door panel 220 of the upper door body 201 upward and simultaneously move the movable door panel 220 of the lower door body 202 downward. In addition, the door opening command may be set to include only the upper door 201 or only the lower door 202, etc. so as to meet the user's requirement, and meanwhile, the cold leakage may be reduced to some extent.

In some embodiments, the refrigerator 100 of the embodiment of the present invention further includes: the human sensing device 500 is configured to detect whether a user exists at the front side of the refrigerator 100. The refrigerator 100 of the embodiment of the present invention is further configured to: when the human sensing device 500 detects that a user exists on the front side of the refrigerator 100 twice within the first preset time period, the driving mechanism 300 is controlled to drive the movable door plate 220 to move towards the side close to the fixed door plate 210 so as to open the storage compartment 111; when the human sensing device 500 detects that no user exists on the front side of the refrigerator 100 twice within the second preset time period, the driving mechanism 300 is controlled to drive the movable door panel 220 to move towards the side far away from the fixed door panel 210 so as to close the storage compartment 111. As shown in fig. 1, the human sensing device 500 may be disposed at the front right side of the movable door panel 220 at the outermost side of the lower door body 202, so that it is possible to conveniently and accurately detect whether a user is present. The error of opening and closing the door body 200 based on the detection result of the human sensing device 500 is larger than that based on the voice input device 400, so the refrigerator 100 of the embodiment of the invention introduces the first preset time period and the second preset time period, and opens the door body 200 only when the user is detected to exist twice in the first preset time period, and closes the door body 200 only when the user is detected to exist twice in the second preset time period, thereby effectively improving the accuracy of the human sensing device 500. The first preset time period may be, for example, 20s, 40s, 1min. The second preset time period may be, for example, 30s, 50s, 1.5min.

In order to improve the thermal insulation of the door body 200, a thermal insulation material may be filled in the fixed door panel 210 and the movable door panel 220 of the door body 200. In some embodiments, the door 200 is configured to: when the storage compartment 111 is closed, an overlapping area is formed between adjacent door panels; and vacuum insulation panels are respectively provided to the fixed door panel 210 and the movable door panel 220. The door body 200 of the refrigerator 100 according to the embodiment of the present invention is configured such that when the storage compartment 111 is closed, an overlapping area is provided between adjacent door panels, and vacuum insulation panels are respectively provided to the fixed door panel 210 and the movable door panel 220, so that the thermal insulation effect of the door body 200 is good. As shown in fig. 4 to 6, the fixed door panel 210 has a flat plate portion, and the movable door panel 220 has a flat plate portion 221 and edge portions 222 on both sides; when the lower door body 202 is unfolded, the lower end of the flat plate portion 221 of the movable door panel 220 positioned at the lower portion covers the upper end of the fixed door panel 210, and the lower end of the flat plate portion 221 of the movable door panel 220 positioned at the upper portion covers the upper end of the flat plate portion 221 of the movable door panel 220 positioned at the lower portion. Only the case where the door body 200 has two movable door panels 220 is shown in the drawing, if the door body 200 has a plurality of movable door panels 220, an overlapping area is formed between adjacent movable door panels 220 after being stretched. In addition, by providing the movable door panel 220 with the edge portion 222, it is possible to prevent the leakage of cold at the side of the door body 200. In some embodiments, a double door body 200, i.e. an inner and an outer telescopic door bodies 200, may be further provided, so that the heat insulation effect may be further enhanced, but the entire front and rear thickness of the door body 200 may be thickened at the same time, and the structure may be more complicated.

The driving mechanism 300 of the refrigerator 100 of the embodiment of the present invention includes a motor 301 and a telescopic supporting unit 302, wherein the motor 301 is used to drive the telescopic supporting unit 302; the telescopic supporting unit 302 is configured to be connected to the motor 301 and each movable door panel 220, and is driven by the motor 301 to drive at least one movable door panel 220 to move relative to the fixed door panel 210. As shown in fig. 3, after receiving the signal from the voice input device 400 and/or the human sensing device 500, the control device 700 controls the motor 301 to act to drive the telescopic supporting unit 302 to act, so as to drive the movable door panel 220 to move.

In some embodiments, the telescoping support unit 302 includes a first stationary sleeve 321, a first movable sleeve 322, and a connecting rod 323. The first fixing sleeve 321 is disposed at the rear side of the fixing door plate 210 and has a first opening (not numbered) penetrating up and down. The first movable sleeve 322 is sleeved in the first fixed sleeve 321 through the first opening, and is driven by the motor 301 to move up and down. One end of the connecting rod 323 is connected with the front side of the first movable sleeve 322, and the other end is connected with the rear side of the movable door plate 220, so that the connecting rod 323 drives the movable door plate 220 to move upwards and downwards relative to the fixed door plate 210 when driven by the first movable sleeve 322 to move upwards and downwards. By providing the telescopic supporting unit 302 to include the first fixed sleeve 321, the first movable sleeve 322, and the connecting rod 323, one end of the connecting rod 323 is connected to the front side of the first movable sleeve 322, and the other end is connected to the rear side of the movable door panel 220, so that the driving mechanism 300 is simple in structure, easy to configure, and assemble. The number of movable door panels 220 is at least two. The number of the first movable sleeves 322 is the same as and corresponds to the number of the movable door panels 220, and two adjacent first movable sleeves 322 are configured to be close to the first movable sleeves 322 of the fixed door panel 210, and have second openings (not numbered in the figure) penetrating up and down, and the first movable sleeves 322 far away from the fixed door panel 210 are sleeved in the second openings. The number of the connecting rods 323 is the same as and corresponds to one with the number of the first movable bushings 322.

As shown in fig. 4, the lower door body 202 includes a fixed door panel 210 and two movable door panels 220, and the telescopic supporting unit 302 includes a first fixed sleeve 321, two first movable sleeves 322 and two connecting rods 323, wherein the first fixed sleeve 321 is disposed in the middle of the rear side of the fixed door panel 210 and has a first opening penetrating up and down; the first movable sleeve 322 positioned at the lower part is sleeved in the fixed sleeve through the first opening and driven by the motor 301 to realize upward and downward movement; meanwhile, the first movable sleeve 322 at the lower part is provided with a second opening which is penetrated up and down, and the first movable sleeve 322 at the upper part is sleeved in the first movable sleeve 322 at the lower part through the second opening; the front side of each first movable sleeve 322 is respectively connected with a connecting rod 323, the connecting rod 323 corresponding to the first movable sleeve 322 positioned at the lower part is connected with the middle part of the rear side of the movable door plate 220 positioned at the lower part, and the connecting rod 323 corresponding to the first movable sleeve 322 positioned at the upper part is connected with the middle part of the rear side of the movable door plate 220 positioned at the upper part.

In some embodiments, telescoping support unit 302 includes a second stationary sleeve 328, a second movable sleeve 329, a movable bracket 324, an auxiliary bracket 326, and a stretching mechanism 325. The second fixing sleeve 328 is disposed at the rear side of the fixing door plate 210 and has a third opening (not numbered) passing through it up and down. The second movable sleeve 329 is sleeved in the second fixed sleeve 328 through the third opening and is driven by the motor 301 to move up and down. A fourth opening (not shown) is provided in the front side of the second movable sleeve 329, and one end of the movable bracket 324 is connected to a stretching mechanism 325 located in the movable sleeve. The rear side of the movable door plate 220 is provided with a limiting ring 327, one end of the auxiliary bracket 326 is movably connected to the movable bracket 324, and the other end of the auxiliary bracket 326 is arranged in the limiting ring 327 in a penetrating manner. The telescopic support unit 302 is configured to: when the second movable sleeve 329 moves to a side far from the second fixed sleeve 328, the movable bracket 324 and the auxiliary bracket 326 extend out of the second movable sleeve 329 through the fourth opening and push the movable door panel 220 to move to a side far from the fixed door panel 210; when the second movable sleeve 329 moves to the side close to the second fixed sleeve 328, the stretching mechanism 325 of the movable bracket 324 and the auxiliary bracket 326 drives the second movable sleeve 329 to retract through the fourth opening and pull the movable door panel 220 to move to the side close to the fixed door panel 210. By arranging the telescopic support unit 302 to include the second fixed sleeve 328, the second movable sleeve 329, the movable bracket 324, the auxiliary bracket 326 and the stretching mechanism 325, the cooperation of the components is improved, so that when the door body 200 is contracted to open the storage compartment 111, the movable door panel 220 can overlap with the fixed door panel 210 as much as possible, and further the fetching opening of the storage compartment 111 is increased, so that the fetching of objects is facilitated. The number of movable door panels 220 is at least two; the number of the second movable sleeves 329 is the same as and corresponds to the number of the movable door panels 220 one by one, and two adjacent second movable sleeves 329 are configured to be close to the second movable sleeves 329 of the fixed door panel 210 and are provided with fifth openings (not shown) penetrating up and down, and the second movable sleeves 329 far from the fixed door panel 210 are sleeved in the fifth openings; the number of the movable brackets 324 is the same as and corresponds to the number of the second movable sleeves 329 one by one; two sides of each movable bracket 324 are symmetrically provided with an auxiliary bracket 326.

As shown in fig. 5 and 6, the lower door body 202 includes a fixed door panel 210 and two movable door panels 220, and the telescopic support unit 302 includes a second fixed sleeve 328, two second movable sleeves 329, two movable brackets 324, four auxiliary brackets 326 and two stretching mechanisms 325, wherein the second fixed sleeve 328 is disposed in the middle of the rear side of the fixed door panel 210 and has a third opening penetrating up and down; the second movable sleeve 329 positioned at the lower part is sleeved in the fixed sleeve through a third opening and is driven by the motor 301 to move upwards and downwards; and a fifth opening which is penetrated up and down is arranged on the second movable sleeve 329 positioned at the lower part, and the second movable sleeve 329 positioned at the upper part is sleeved in the second movable sleeve 329 positioned at the lower part through the fifth opening. The front side of each second movable sleeve 329 is provided with a fourth opening, respectively. One end of the movable bracket 324 corresponding to the second movable sleeve 329 positioned at the lower part is connected with the corresponding stretching mechanism 325, the other end of the movable bracket 324 is symmetrically and movably connected with the two corresponding auxiliary brackets 326, the middle part of the rear side of the movable door plate 220 positioned at the lower part is symmetrically provided with two limiting rings 327, and the other ends of the two auxiliary brackets 326 are respectively penetrated in the limiting rings 327. Similarly, one end of the movable bracket 324 corresponding to the second movable sleeve 329 at the upper part is connected with the corresponding stretching mechanism 325, the other end is symmetrically and movably connected with two corresponding auxiliary brackets 326, the middle part of the rear side of the movable door plate 220 at the upper part is symmetrically provided with two limiting rings 327, and the other ends of the two auxiliary brackets 326 respectively penetrate through the limiting rings 327. The position of one stretching mechanism 325 is schematically shown, and the specific structure of the stretching mechanism 325 can refer to the structure capable of realizing the stretching function in the prior art, such as the stretching retraction mechanism of an automatic umbrella, and is not limited herein. The movable connection between the auxiliary bracket 326 and the movable bracket 324 may be achieved by forming grooves on both left and right sides of the movable bracket 324, and arranging one end of the auxiliary bracket 326 to be slidable in the grooves. When the second movable sleeve 329 moves upward, the stretching mechanism 325 pushes the movable bracket 324 upward and forward, and the auxiliary bracket 326 is driven by the movable bracket 324 to move upward, and simultaneously moves to the end of the auxiliary bracket 326 in the limiting ring 327 to abut against the movable door panel 220 and transfer the force to the movable door panel 220, so as to push the movable door panel 220 to move upward. When the second movable sleeve 329 moves downward, the stretching mechanism 325 pulls the movable bracket 324 downward and the auxiliary bracket 326 is pulled by the movable bracket 324 to move downward, and slides in the limiting ring 327, so that the movable door plate 220 is pulled to move downward together when the tail end of the auxiliary bracket 326 slides to the limiting ring 327.

The refrigerator 100 according to the embodiment of the invention includes the fixed door panel 210 and at least one movable door panel 220, the fixed door panel 210 is fixedly connected with the refrigerator body 101, the movable door panel 220 is movably connected with the fixed door panel 210, and the driving mechanism 300 is provided, so that the driving mechanism 300 can drive the at least one movable door panel 220 to move towards the side far away from the fixed door panel 210 to extend the door body 200 to close the storage compartment 111, and drive the at least one movable door panel 220 to move towards the side close to the fixed door panel 210 to retract the door body 200 to at least partially open the storage compartment 111, so that the door body 200 of the refrigerator 100 can be opened and closed by the driving mechanism 300 without manual force, and the use requirements of multiple family member users can be met.

Further, in the refrigerator 100 according to the embodiment of the present invention, two door bodies 200 are correspondingly disposed in each storage compartment 111, and when the storage compartment 111 needs to be opened and closed, the upper door body 201 and the lower door body 202 act simultaneously, so that the storage compartment 111 can be opened and closed quickly.

Further, the door body 200 of the refrigerator 100 according to the embodiment of the present invention is configured such that when the storage compartment 111 is closed, an overlapping area is formed between adjacent door panels, and vacuum insulation panels are respectively disposed on the fixed door panel 210 and the movable door panel 220, so that the thermal insulation effect of the door body 200 is good.

By now it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described herein in detail, many other variations or modifications of the invention consistent with the principles of the invention may be directly ascertained or inferred from the present disclosure without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims

1. A refrigerator, comprising:

a box body, in which a storage compartment is defined;

a driving mechanism configured to drive the at least one movable door panel to move toward a side away from the fixed door panel to extend the door body to close the storage compartment, and drive the at least one movable door panel to move toward a side close to the fixed door panel to retract the door body to at least partially open the storage compartment; and is also provided with

The driving mechanism comprises a motor and a telescopic supporting unit, wherein

The motor is used for driving the telescopic supporting unit;

the telescopic supporting unit is configured to be connected with the motor and each movable door plate, and is driven by the motor to drive the at least one movable door plate to move relative to the fixed door plate;

the telescopic supporting unit comprises a second fixed sleeve, a second movable sleeve, a movable bracket, an auxiliary bracket and a stretching mechanism; the second fixing sleeve is arranged at the rear side of the fixing door plate and is provided with a third opening which penetrates through the fixing door plate vertically; the second movable sleeve is sleeved in the second fixed sleeve through the third opening and driven by the motor to move; a fourth opening is formed in the front side of the second movable sleeve, and one end of the movable support is connected with a stretching mechanism positioned in the second movable sleeve; a limiting ring is arranged at the rear side of the movable door plate, one end of the auxiliary support is movably connected to the movable support, and the other end of the auxiliary support penetrates through the limiting ring;

the telescopic support unit is configured to: when the second movable sleeve moves to one side far away from the second fixed sleeve, the movable support and the auxiliary support extend out of the second movable sleeve through the fourth opening and push the movable door plate to move to one side far away from the fixed door plate; when the second movable sleeve moves to the side close to the second fixed sleeve, the movable support and the auxiliary support are driven by the stretching mechanism to retract into the second movable sleeve through the fourth opening and pull the movable door plate to move to the side close to the fixed door plate.

2. The refrigerator of claim 1, wherein,

the number of the door bodies corresponding to each storage compartment is two, and the door bodies comprise an upper door body positioned at the upper part and a lower door body positioned at the lower part; the fixed door plate of the upper door body is fixed on the upper part of the box body of the storage compartment, and the fixed door plate of the lower door body is fixed on the lower part of the box body of the storage compartment; and the upper door body and the lower door body are configured to:

the at least one movable door panel of the upper door body moves downwards relative to the fixed door panel of the upper door body, and the at least one movable door panel of the lower door body moves upwards relative to the fixed door panel of the lower door body to close the storage compartment;

the at least one movable door panel of the upper door body moves upwards relative to the fixed door panel of the upper door body, and the at least one movable door panel of the lower door body moves downwards relative to the fixed door panel of the lower door body to open the storage compartment.

3. The refrigerator of claim 1, further comprising:

the refrigerator is further configured to: when the door opening instruction is received, the driving mechanism is controlled to drive the movable door plate to move towards one side close to the fixed door plate so as to open the storage compartment; when the door closing instruction is received, the driving mechanism is controlled to drive the movable door plate to move towards one side far away from the fixed door plate so as to enable the storage compartment to be closed.

4. The refrigerator of claim 1, further comprising:

when the human sensing device detects that no user exists on the front side of the refrigerator twice within a second preset time period, the driving mechanism is controlled to drive the movable door plate to move towards the side far away from the fixed door plate so that the storage compartment is closed.

5. The refrigerator of claim 1, wherein,

the door body is configured to: when the storage compartment is closed, an overlapping area is formed between adjacent door plates; and vacuum insulation panels are respectively arranged in the fixed door plate and the movable door plate.

6. The refrigerator of claim 1, wherein,

the number of the movable door panels is at least two;

the number of the second movable sleeves is the same as that of the movable door plates and corresponds to that of the movable door plates one by one, and two adjacent second movable sleeves are configured to be close to the second movable sleeves of the fixed door plates and provided with fifth openings which are penetrated up and down, and the second movable sleeves far away from the fixed door plates are sleeved in the fifth openings;

and two sides of each movable support are symmetrically provided with an auxiliary support.