Refrigerator and double-door device thereof

Abstract

The utility model provides a refrigerator and a double-door device thereof. The double-door device comprises a steering mechanism, a telescopic rod, a motor, a first connecting rod, a second connecting rod, a first pushing mechanism and a second pushing mechanism. The motor is connected with the telescopic rod; the telescopic rod is connected with the steering mechanism; two ends of the steering mechanism are rotatably connected with one end of the first connecting rod and one end of the second connecting rod respectively; one end of the first pushing mechanism is rotatably connected with the other end of the first connecting rod, and the other end of the first pushing mechanism is fixedly connected with the inner wall of a first door body of the refrigerator; one end of the second pushing mechanism is rotatably connected with the other end of the second connecting rod, and the other end of the second pushing mechanism is fixedly connected with the inner wall of a second door body of the refrigerator. The steering mechanism is simultaneously connected with the first connecting rod and the second connecting rod, and the two connecting rods are respectively connected with the first pushing mechanism and the second pushing mechanism, so that the two door bodies of the refrigerator can be controlled to be opened or closed simultaneously through one motor.

Description

[0001] This application claims the priority of Chinese patent application No. 202420143705.8 filed on January 19, 2024. This application cites the entire text of the above Chinese patent application. Technical Field

[0002] The present invention relates to the technical field of household appliances, and in particular to a refrigerator and a double-door device thereof. Background Art

[0003] Refrigerators are common household appliances. As people's living needs improve, double-door refrigerators have also entered the market. Usually, double-door refrigerators require two refrigerator doors to be opened manually, which is inconvenient to operate when the user is holding food in his hands. Utility Model Content

[0004] The technical problem to be solved by the present disclosure is to provide a refrigerator and a double-door device thereof in order to overcome the defect in the prior art that the two doors of a double-door refrigerator need to be opened manually respectively, which is inconvenient to operate when the user is holding food in his hands.

[0005] The present invention solves the above technical problems through the following technical solutions:

[0006] The present disclosure provides a double-door device for a refrigerator, wherein the double-door device is arranged inside the refrigerator, and comprises: a steering mechanism, a telescopic rod, a motor, a first connecting rod, a second connecting rod, a first pushing mechanism, and a second pushing mechanism;

[0007] The steering mechanism, the telescopic rod and the motor are respectively fixed at different positions inside the refrigerator;

[0008] The motor is connected to the telescopic rod;

[0009] The telescopic rod is connected to the steering mechanism, and the telescopic rod can drive the steering mechanism to rotate when performing telescopic movement;

[0010] Two ends of the steering mechanism are rotatably connected to one end of the first connecting rod and one end of the second connecting rod respectively;

[0011] One end of the first pushing mechanism is rotatably connected to the other end of the first connecting rod, and the other end of the first pushing mechanism is fixedly connected to the inner wall of the first door body of the refrigerator;

[0012] One end of the second pushing mechanism is rotatably connected to the other end of the second connecting rod, and the other end of the second pushing mechanism is fixedly connected to the inner wall of the second door body of the refrigerator;

[0013] The telescopic rod is used to perform telescopic movement under the drive of the motor to gradually drive the steering mechanism, the first connecting rod and the second connecting rod to rotate, and the first pushing mechanism to open and close the first door body, and the second pushing mechanism to open and close the second door body.

[0014] Preferably, the first pushing mechanism comprises a first push rod and a first connecting member;

[0015] The first fixed end of the first connecting member is disposed at a first preset position inside the refrigerator, and the first movable end of the first connecting member is rotatably connected to the first connecting rod;

[0016] One end of the first push rod is fixedly connected to the first connecting member, and the other end of the first push rod is fixedly connected to the inner wall of the first door body;

[0017] When the first connecting rod rotates, the first connecting member is driven to rotate, so as to drive the first push rod to open and close the first door body.

[0018] Preferably, the first pushing mechanism further includes a first limiting block;

[0019] The first limiting block is arranged at a second preset position inside the refrigerator;

[0020] The first limiting block is used to limit the rotation range of the first connecting member.

[0021] Preferably, the first limiting block is sleeved on the first push rod.

[0022] Preferably, the second pushing mechanism comprises a second push rod and a second connecting member;

[0023] The second fixed end of the second connecting member is disposed at a third preset position inside the refrigerator, and the second movable end of the second connecting member is rotatably connected to the second connecting rod;

[0024] One end of the second push rod is fixedly connected to the second connecting member, and the other end of the second push rod is fixedly connected to the inner wall of the second door body;

[0025] When the second connecting rod rotates, the second connecting member is driven to rotate, so as to drive the second push rod to open and close the second door body.

[0026] Preferably, the second pushing mechanism further includes a second limiting block;

[0027] The second limiting block is arranged at a fourth preset position inside the refrigerator;

[0028] The second limiting block is used to limit the rotation range of the second connecting member.

[0029] Preferably, the second limiting block is sleeved on the second push rod.

[0030] Preferably, the double door device further comprises a control module;

[0031] The control module is arranged on the outer wall of the refrigerator and is connected to the motor;

[0032] The control module is used to receive a refrigerator door control instruction, generate a target drive instruction and send it to the motor to drive the motor to work.

[0033] Preferably, the double-door device is arranged at the top or bottom of the interior of the refrigerator.

[0034] Preferably, the steering mechanism is an eccentric wheel;

[0035] The telescopic rod is connected to the side of the eccentric wheel or a position other than the center position on the disk of the eccentric wheel, and the telescopic rod can drive the eccentric wheel to rotate when performing telescopic movement;

[0036] and / or,

[0037] A third connecting piece is provided on the outer side wall of the telescopic rod, a hole structure is provided at the center of the eccentric wheel, a fourth connecting piece is provided on the inner side wall of the hole structure, the third connecting piece and the fourth connecting piece are matched and connected, and the telescopic rod can drive the eccentric wheel to rotate when performing telescopic movement;

[0038] and / or,

[0039] The double-door device also includes a rotating shaft and a coupling;

[0040] The rotating shaft is connected to the center of the disc surface of the eccentric wheel;

[0041] The coupling is connected to the motor and the rotating shaft;

[0042] The coupling is used to drive the rotating shaft to rotate under the drive of the motor, so as to drive the eccentric wheel to rotate.

[0043] The present disclosure also provides a refrigerator, comprising the double-door device of the refrigerator.

[0044] On the basis of conforming to the common sense in the art, various preferred conditions can be arbitrarily combined to obtain various preferred embodiments of the present disclosure.

[0045] The positive progressive effect of the present invention lies in that the first connecting rod and the second connecting rod are connected simultaneously by the steering mechanism, and the two connecting rods are respectively connected to the first pushing mechanism and the second pushing mechanism. When the motor receives the corresponding driving instruction, it can drive the telescopic rod to perform telescopic movement, so as to drive the steering mechanism, the first connecting rod and the second connecting rod to rotate step by step, so that the first pushing mechanism and the second pushing mechanism open and close the first door body and the second door body at the same time, thereby achieving the effect of one motor controlling the simultaneous opening or closing of the two doors of the refrigerator. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] Figure 1 This is a first structural schematic diagram of the double-door device of the refrigerator of Example 1 of the present disclosure.

[0047] Figure 2 This is a second structural schematic diagram of the double-door device of the refrigerator in Example 1 of the present disclosure.

[0048] Figure 3 This is a third structural schematic diagram of the double-door device of the refrigerator of Example 1 of the present disclosure.

[0049] Figure 4 This is a fourth structural schematic diagram of the double-door device of the refrigerator of Example 1 of the present disclosure.

[0050] Figure 5 This is the fifth structural schematic diagram of the double-door device of the refrigerator in Embodiment 1 of the present disclosure.

[0051] Figure 6 This is the sixth structural schematic diagram of the double-door device of the refrigerator of Example 1 of the present disclosure. DETAILED DESCRIPTION

[0052] A preferred embodiment is given below, and the present disclosure is described more clearly and completely in conjunction with the accompanying drawings.

[0053] Example 1

[0054] This embodiment provides a double-door device for a refrigerator, wherein the double-door device is arranged inside the refrigerator. Figure 1 As shown, the double door device includes: a steering mechanism 1, a telescopic rod 2, a motor 3, a first connecting rod 4, a second connecting rod 5, a first pushing mechanism 6 and a second pushing mechanism 7.

[0055] The steering mechanism 1, the telescopic rod 2 and the motor 3 are respectively fixed at different positions inside the refrigerator, for example, different preset positions on the inner wall of the refrigerator, and the specific setting positions can be designed and adjusted according to the internal structure of the refrigerator.

[0056] Any position in the middle of the steering mechanism is fixedly connected to a certain position inside the refrigerator, and both ends of the steering mechanism can rotate.

[0057] The motor 3 is connected to the telescopic rod 2 .

[0058] The telescopic rod 2 is connected to the steering mechanism 1, and the telescopic rod 2 can drive the steering mechanism 1 to rotate when the telescopic rod 2 performs telescopic movement. One end of the telescopic rod can be connected to one end of the steering mechanism, or to other positions on the steering mechanism, as long as the telescopic rod can drive the steering mechanism to rotate when the telescopic rod performs telescopic movement.

[0059] Two ends of the steering mechanism 1 are rotatably connected to one end of the first connecting rod 4 and one end of the second connecting rod 5 respectively.

[0060] One end of the first pushing mechanism 6 is rotatably connected to the other end of the first connecting rod 4, and the other end of the first pushing mechanism 6 is fixedly connected to the inner wall of the first door body of the refrigerator.

[0061] One end of the second pushing mechanism 7 is rotatably connected to the other end of the second connecting rod 5, and the other end of the second pushing mechanism 7 is fixedly connected to the inner wall of the second door body of the refrigerator.

[0062] The telescopic rod 2 is used to perform telescopic movement under the drive of the motor 3 to gradually drive the steering mechanism 1, the first connecting rod 4 and the second connecting rod 5 to rotate, and the first pushing mechanism 6 to open and close the first door body and the second pushing mechanism 7 to open and close the second door body.

[0063] In this solution, the first connecting rod and the second connecting rod are connected at the same time through the steering mechanism, and the two connecting rods are respectively connected to the first pushing mechanism and the second pushing mechanism. When the motor receives the corresponding driving instruction, it can drive the telescopic rod to perform telescopic movement, so as to drive the steering mechanism, the first connecting rod and the second connecting rod to rotate step by step, so that the first pushing mechanism and the second pushing mechanism open and close the first door body and the second door body at the same time, thereby achieving the effect of opening or closing the two doors of the refrigerator at the same time.

[0064] In one feasible solution, Figure 2 As shown, the first pushing mechanism 6 includes a first push rod 61 and a first connecting member 62;

[0065] The first fixed end of the first connecting member 62 is disposed at a first preset position inside the refrigerator, and the first movable end of the first connecting member 62 is rotatably connected to the first connecting rod 4 .

[0066] One end of the first push rod 61 is fixedly connected to the first connecting member 62 , and the other end of the first push rod 61 is fixedly connected to the inner wall of the first door body.

[0067] When the first connecting rod 4 rotates, it drives the first connecting member 62 to rotate, so as to drive the first push rod 61 to open and close the first door.

[0068] For example, the first connecting member can be a cam, the fixed end of the cam is arranged at a first preset position inside the refrigerator, and the movable end of the cam is rotatably connected to the first connecting rod. When the first connecting rod rotates, the cam is driven to rotate, thereby driving the first push rod to open or close the first door.

[0069] In this solution, the opening and closing of the refrigerator door can be achieved through the cooperation between the first connecting member and the first push rod.

[0070] In one feasible solution, Figure 2 As shown, the first pushing mechanism 6 also includes a first limiting block 63 .

[0071] The first limiting block 63 is arranged at a second preset position inside the refrigerator.

[0072] The first limiting block is used to limit the rotation range of the first connecting member.

[0073] In this solution, the first limit block limits the rotation range of the first connecting member, which can prevent the first connecting member from rotating too much and causing unstable opening and closing of the refrigerator door.

[0074] In an implementable solution, the first limiting block 63 is sleeved on the first push rod 61 .

[0075] In an implementable solution, the second pushing mechanism 7 includes a second pushing rod 71 and a second connecting member 72 .

[0076] The second fixed end of the second connecting member 72 is disposed at a third preset position inside the refrigerator, and the second movable end of the second connecting member 72 is rotatably connected to the second push rod 71 .

[0077] One end of the second push rod 71 is fixedly connected to the second connecting member 72, and the other end of the second push rod 71 is fixedly connected to the inner wall of the second door body.

[0078] When the second connecting rod 5 rotates, it drives the second connecting member 72 to rotate, so as to drive the second push rod 71 to open and close the second door.

[0079] For example, the second connecting member can be a cam, the fixed end of the cam is arranged at a third preset position inside the refrigerator, and the movable end of the cam is rotatably connected to the second connecting rod. When the second connecting rod rotates, the cam is driven to rotate, thereby driving the second push rod to open or close the second door body.

[0080] In this solution, the opening and closing of the refrigerator door can be achieved through the cooperation between the second connecting member and the second push rod.

[0081] In one feasible solution, Figure 2 As shown, the second pushing mechanism 7 also includes a second limiting block 73 .

[0082] The second limiting block 73 is arranged at a fourth preset position inside the refrigerator.

[0083] The second limiting block is used to limit the rotation range of the second connecting member.

[0084] In this solution, the second limit block limits the rotation range of the second connection member, which can prevent the first connection member from rotating too much and causing unstable opening and closing of the refrigerator door.

[0085] In an implementable solution, the second limiting block 73 is sleeved on the second push rod.

[0086] In one feasible solution, Figure 2 As shown, the double door device also includes a control module 8.

[0087] The control module 8 is arranged on the outer wall of the refrigerator and is connected to the motor 3 .

[0088] The control module 8 is used to receive the refrigerator door control instruction, generate a target drive instruction and send it to the motor 3 to drive the motor 3 to work.

[0089] Specifically, the refrigerator door control instructions include door opening instructions, door closing instructions, etc., which are generated based on external instructions such as user key operations, touch screen operations, voice control, etc. After receiving the refrigerator door control instructions, the control module generates a target drive instruction and sends it to the motor to drive the motor to work and drive the telescopic rod to extend and retract.

[0090] In this solution, by receiving instructions through the control module, the user can control the double-door device to open and close the refrigerator door.

[0091] In one feasible solution, the double-door device is arranged at the top or bottom of the interior of the refrigerator.

[0092] For example, the double-door device can be arranged on the top wall or at the bottom position inside the refrigerator body.

[0093] In this solution, by arranging the double-door device at the top or bottom of the refrigerator, the internal space of the refrigerator can be reasonably arranged and the performance of the refrigerator can be improved.

[0094] In one feasible solution, Figure 4 As shown, the steering mechanism 1 is an eccentric wheel 11 .

[0095] The telescopic rod 2 is connected to the side of the eccentric wheel 11 or a position on the disk of the eccentric wheel except the center position. When the telescopic rod performs telescopic movement, it can drive the eccentric wheel to rotate.

[0096] Figure 4In the figure, only the telescopic rod 2 is connected to the side of the eccentric wheel 11 as an example. In fact, the telescopic rod 2 can also be connected to other positions on the disk of the eccentric wheel except the center of the eccentric wheel, as long as the telescopic rod 2 can drive the eccentric wheel 11 to rotate when it is extended or retracted.

[0097] In one feasible solution, Figure 5 As shown, a third connecting member is provided on the outer wall of the telescopic rod, a hole structure 10 is provided at the center position of the eccentric wheel, a fourth connecting member is provided on the inner wall of the hole structure 10, the third connecting member and the fourth connecting member are matched and connected, and the telescopic rod can drive the eccentric wheel to rotate when performing telescopic movement.

[0098] The specific structure of the third connecting member and the fourth connecting member is not limited here, as long as the eccentric wheel can be driven to rotate by the third connecting member and the fourth connecting member when the telescopic rod performs telescopic movement in a direction perpendicular to the eccentric wheel disc surface.

[0099] In one feasible solution, Figure 6 As shown, the double door device also includes a rotating shaft 9 and a coupling (not shown in the figure).

[0100] The rotating shaft 9 is connected to the center position of the disk surface of the eccentric wheel 11 .

[0101] The coupling is connected with the motor and the rotating shaft.

[0102] The coupling is used to drive the rotating shaft 9 to rotate under the drive of the motor, so as to drive the eccentric wheel 11 to rotate. The working principle of the double-door device of the refrigerator provided in this embodiment is described below with a specific implementation method. Figure 3 As shown, the motor is not drawn in the figure, and the telescopic rod 2 is extended and retracted by the motor.

[0103] When the telescopic rod 2 is extended, the steering mechanism 1 rotates clockwise, driving the first connecting member 62 (which can be a cam) to rotate clockwise through the first connecting rod 4 and the second connecting rod 5, and the second connecting member 72 (which can be a cam) to rotate counterclockwise, further driving the first push rod 61 and the second push rod 71 to extend, thereby pushing open the refrigerator door, so that the two doors can be opened at the same time.

[0104] When the telescopic rod 2 is retracted, the movement directions of the above mechanisms are opposite to those described above, thereby driving the first push rod 61 and the second push rod 71 to reset, so that the two refrigerator doors are closed at the same time.

[0105] The double-door device of the refrigerator provided in this embodiment simultaneously connects the first connecting rod and the second connecting rod through a steering mechanism, and the two connecting rods are respectively connected to the first pushing mechanism and the second pushing mechanism. When the motor receives the corresponding driving instruction, it can drive the telescopic rod to perform telescopic movement, so as to drive the steering mechanism, the first connecting rod and the second connecting rod to rotate step by step, so that the first pushing mechanism and the second pushing mechanism simultaneously open and close the first door body and the second door body, thereby achieving the effect of one motor controlling the simultaneous opening or closing of the two doors of the refrigerator.

[0106] Example 2

[0107] This embodiment provides a refrigerator, which includes the double-door device of the refrigerator in Embodiment 1.

[0108] The refrigerator provided in this embodiment includes the double-door opening device of the refrigerator in Embodiment 1, so that the two doors of the refrigerator can be opened or closed simultaneously by controlling one motor, thereby improving the product performance of the refrigerator.

[0109] Although the specific embodiments of the present disclosure are described above, those skilled in the art should understand that this is only an example, and the protection scope of the present disclosure is defined by the appended claims. Those skilled in the art may make various changes or modifications to these embodiments without departing from the principles and essence of the present disclosure, but these changes and modifications all fall within the protection scope of the present disclosure.

Claims

1. A double-door device for a refrigerator, characterized in that: The double-door device is arranged inside the refrigerator, and comprises: a steering mechanism, a telescopic rod, a motor, a first connecting rod, a second connecting rod, a first pushing mechanism and a second pushing mechanism; The steering mechanism, the telescopic rod and the motor are respectively fixed at different positions inside the refrigerator; The motor is connected to the telescopic rod; The telescopic rod is connected to the steering mechanism, and the telescopic rod can drive the steering mechanism to rotate when performing telescopic movement; Two ends of the steering mechanism are rotatably connected to one end of the first connecting rod and one end of the second connecting rod respectively; One end of the first pushing mechanism is rotatably connected to the other end of the first connecting rod, and the other end of the first pushing mechanism is fixedly connected to the inner wall of the first door body of the refrigerator; One end of the second pushing mechanism is rotatably connected to the other end of the second connecting rod, and the other end of the second pushing mechanism is fixedly connected to the inner wall of the second door body of the refrigerator; The telescopic rod is used to perform telescopic movement under the drive of the motor to gradually drive the steering mechanism, the first connecting rod and the second connecting rod to rotate, and the first pushing mechanism to open and close the first door body, and the second pushing mechanism to open and close the second door body.

2. The double-door device for a refrigerator according to claim 1, characterized in that: The first pushing mechanism includes a first push rod and a first connecting member; The first fixed end of the first connecting member is disposed at a first preset position inside the refrigerator, and the first movable end of the first connecting member is rotatably connected to the first connecting rod; One end of the first push rod is fixedly connected to the first connecting member, and the other end of the first push rod is fixedly connected to the inner wall of the first door body; When the first connecting rod rotates, the first connecting member is driven to rotate, so as to drive the first push rod to open and close the first door body.

3. The double-door device for a refrigerator according to claim 2, characterized in that: The first pushing mechanism further includes a first limiting block; The first limiting block is arranged at a second preset position inside the refrigerator; The first limiting block is used to limit the rotation range of the first connecting member.

4. The double-door device for a refrigerator according to claim 3, characterized in that: The first limiting block is sleeved on the first push rod.

5. The double-door device for a refrigerator according to claim 1, characterized in that: The second pushing mechanism includes a second push rod and a second connecting member; The second fixed end of the second connecting member is disposed at a third preset position inside the refrigerator, and the second movable end of the second connecting member is rotatably connected to the second connecting rod; One end of the second push rod is fixedly connected to the second connecting member, and the other end of the second push rod is fixedly connected to the inner wall of the second door body; When the second connecting rod rotates, the second connecting member is driven to rotate, so as to drive the second push rod to open and close the second door body.

6. The double-door device for a refrigerator according to claim 5, characterized in that: The second pushing mechanism further includes a second limiting block; The second limiting block is arranged at a fourth preset position inside the refrigerator; The second limiting block is used to limit the rotation range of the second connecting member.

7. The double-door device for a refrigerator according to claim 6, characterized in that: The second limiting block is sleeved on the second push rod.

8. The double-door device for a refrigerator according to any one of claims 1 to 7, characterized in that: The double door device also includes a control module; The control module is arranged on the outer wall of the refrigerator and is connected to the motor; The control module is used to receive a refrigerator door control instruction, generate a target drive instruction and send it to the motor to drive the motor to work.

9. The double-door device for a refrigerator according to any one of claims 1 to 7, characterized in that: The double-door device is arranged at the top end or the bottom end inside the refrigerator.

10. The double-door device for a refrigerator according to claim 1, characterized in that: The steering mechanism is an eccentric wheel; The telescopic rod is connected to the side of the eccentric wheel or a position other than the center position on the disk of the eccentric wheel, and the telescopic rod can drive the eccentric wheel to rotate when performing telescopic movement; and / or, A third connecting piece is provided on the outer side wall of the telescopic rod, a hole structure is provided at the center of the eccentric wheel, a fourth connecting piece is provided on the inner side wall of the hole structure, the third connecting piece and the fourth connecting piece are matched and connected, and the telescopic rod can drive the eccentric wheel to rotate when performing telescopic movement; and / or, The double-door device also includes a rotating shaft and a coupling; The rotating shaft is connected to the center of the disc surface of the eccentric wheel; The coupling is connected to the motor and the rotating shaft; The coupling is used to drive the rotating shaft to rotate under the drive of the motor, so as to drive the eccentric wheel to rotate.

11. A refrigerator, characterized in that: The refrigerator comprises the double-door device of the refrigerator according to any one of claims 1-10.

Images