Door body height adjusting structure for refrigerator

The door height adjustment mechanism in iceboxes addresses the inefficiency and inconvenience of fixed shelves by allowing adjustable storage spaces and reducing noise and vibration, enhancing user experience.

CN223106514UActive Publication Date: 2025-07-15SHANDONG WANCHENG ELECTRIC CO LTD
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Patent Information

Application Number
CN202422246075.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-13
Publication Date
2025-07-15
Estimated Expiration
2034-09-13

AI Technical Summary

Technical Problem

The height of the traditional refrigerator door is fixed and cannot be adjusted according to user needs, resulting in low storage space utilization, inconvenient operation, and high noise and vibration when closed.

Method used

The combination of motor-driven screw rod and connecting fixed rod is adopted to achieve storage rack height adjustment through the control panel, and is equipped with a buffered rubber pad to reduce noise and vibration.

Benefits of technology

It realizes flexible adjustment of storage shelf height, improves space utilization, reduces noise and vibration, and improves user convenience and equipment stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of door bodies for refrigerators, and discloses a door body height adjusting structure for a refrigerator, which comprises a refrigerator door, the rear end of the refrigerator door is fixedly connected with a connecting frame, the two sides of the inner wall of the connecting frame are fixedly connected with protective frames, and the interiors of the protective frames are fixedly connected with height adjusting devices. Through the cooperation of the motor, the lead screw and the connecting fixing rod, the height of the storage rack can be adjusted, the requirements of different users are met, the utilization rate of the internal space of the refrigerator is improved, the height of the storage rack can be adjusted only by sending out an instruction through the control panel by a user, manual adjustment is not needed, the use convenience is greatly improved, and the use cost is reduced. Due to the design of the buffer rubber pad, impact generated when the refrigerator door is closed is effectively relieved, noise and vibration are reduced, the whole adjusting device is compact in structure and does not occupy too much internal space of the refrigerator, all parts are firmly connected, and the maintenance cost and difficulty are reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of refrigerator doors, and particularly relates to a height adjustment structure for a refrigerator door. Background Art

[0002] A height adjustment structure for a refrigerator door is an innovative design aimed at improving the adaptability of the refrigerator door and user convenience. This structure allows users to adjust the height of the refrigerator door according to their needs to accommodate food containers or beverage bottles of different sizes, thereby optimizing the storage space and layout.

[0003] In traditional refrigerator designs, the storage space is usually fixed, and users cannot adjust the height of the storage rack according to their needs. The fixed height of the storage rack cannot meet the storage requirements of items of different sizes, resulting in low utilization rate of the internal space of the refrigerator. When storing or retrieving items, users may need to bend down or stand on tiptoe frequently, which is inconvenient to operate, especially for the elderly and children. When the refrigerator door is closed, if there is no buffer device, it will generate relatively large noise and vibration, affecting the living environment of users. Summary of the Utility Model

[0004] To solve the above technical problems, the utility model provides a height adjustment structure for a refrigerator door.

[0005] The utility model is realized by the following technical solutions: A height adjustment structure for a refrigerator door, including a refrigerator door, a connection frame is fixedly connected to the rear end of the refrigerator door, protection frames are fixedly connected to both sides of the inner wall of the connection frame, a height adjustment device is fixedly connected inside the protection frame, and a chute is opened on one side of the protection frame;

[0006] The height adjustment device includes a motor, the output end of the motor is in transmission connection with a lead screw, a connection fixing rod is sleeved on the outer surface of the lead screw, the connection fixing rod is adapted to the chute, and a limiting rod is sleeved at the other end of the connection fixing rod.

[0007] Through the above technical solutions, the refrigerator door is the main body of the entire structure, carrying all components and devices. The connection frame is used to support and protect the internal adjustment device. The protection frame is used to fix and protect the height adjustment device and is provided with a chute to cooperate with the movement of the adjustment device. The motor on the height adjustment device provides a power source, and drives the lead screw to rotate through its output end. The lead screw is connected to the output end of the motor and pushes the connection fixing rod to move up and down by rotating. The connection fixing rod moves up and down as the lead screw rotates and is adapted to the chute, ensuring the smoothness and accuracy of the movement. The limiting rod plays a role of limiting and stabilizing, preventing the connection fixing rod from deviating during the movement.

[0008] As a further improvement of the above solution, an external fixed frame is sleeved on the outer surface of the refrigerator door, and a buffer rubber pad is fixedly connected to the rear end of the external fixed frame.

[0009] Through the above technical solution, the external fixed frame is sleeved on the outer surface of the refrigerator door, which increases the stability of the door body. And a buffer rubber pad is fixedly connected to its rear end. The buffer rubber pad is used to slow down the impact force when the door body is closed, reducing noise and vibration.

[0010] As a further improvement of the above solution, a connecting plate is fixedly connected to the front end of the height adjusting device, and a storage rack is fixedly connected to the front end of the connecting plate.

[0011] Through the above technical solution, the connecting plate is used to connect and support the storage rack. The storage rack is used to store various foods and beverages, and a baffle is fixedly connected to its upper surface to prevent items from slipping.

[0012] As a further improvement of the above solution, a baffle is fixedly connected to the upper surface of the storage rack.

[0013] Through the above technical solution, the baffle plays a role of blocking and fixing to ensure that items will not fall from the storage rack.

[0014] As a further improvement of the above solution, a control panel is fixedly connected to the middle of the front end of the refrigerator door.

[0015] Through the above technical solution, the control panel is fixed in the middle of the front end of the refrigerator door and is used to control and adjust various functions of the refrigerator.

[0016] As a further improvement of the above solution, a display screen is fixedly connected to the top of the front end of the control panel, and adjustment buttons are fixedly connected to the bottom of the front end of the control panel.

[0017] Through the above technical solution, the display screen displays various states and information of the refrigerator. Users can use these adjustment buttons to adjust the temperature and other parameters of the refrigerator.

[0018] As a further improvement of the above solution, a handle is fixedly connected to one side of the front end of the refrigerator door.

[0019] Through the above technical solution, the handle is fixed to one side of the front end of the refrigerator door, which is convenient for users to open and close the refrigerator door.

[0020] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0021] By setting up the cooperation of the motor, the lead screw and the connecting and fixing rod, the present utility model can realize the height adjustment of the storage rack, meet the needs of different users, improve the utilization rate of the internal space of the refrigerator. The user only needs to issue an instruction through the control panel to realize the height adjustment of the storage rack without manual adjustment, which greatly improves the convenience of use. The design of the buffer rubber pad effectively slows down the impact when the refrigerator door is closed, reduces noise and vibration. The whole adjustment device has a compact structure, does not occupy too much internal space of the refrigerator, and the connection between components is firm, reducing the maintenance cost and difficulty. Description of the Drawings

[0022] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0023] Figure 2 It is a schematic diagram of the inner wall structure of the present utility model;

[0024] Figure 3 It is a schematic diagram of the front structure of the present utility model;

[0025] Figure 4 It is a schematic diagram of the overall structure of the height adjustment device of the present utility model;

[0026] Figure 5 It is a schematic diagram of the storage rack structure of the present utility model;

[0027] Figure 6 It is a schematic diagram of the height adjustment device structure of the present utility model.

[0028] Main Symbol Explanation:

[0029] 1. Refrigerator door; 2. Connecting frame; 3. Protection frame; 4. Height adjustment device; 401. Motor; 402. Lead screw; 403. Connecting and fixing rod; 404. Limiting rod; 5. Chute; 6. External fixed frame; 7. Buffer rubber pad; 8. Connecting plate; 9. Storage rack; 10. Baffle; 11. Control panel; 12. Display screen; 13. Adjustment button; 14. Pull handle. Detailed Embodiment

[0030] Next, in combination with the drawings and the detailed embodiment, the present utility model will be further described. It should be noted that on the premise of no conflict, any combination of the following described embodiments or technical features can form a new embodiment.

[0031] Embodiment:

[0032] Please combine Figures 1-6, A door height adjustment structure for a refrigerator in this embodiment includes a refrigerator door 1. A connection frame 2 is fixedly connected to the rear end of the refrigerator door 1. On both sides of the inner wall of the connection frame 2, a protection frame 3 is fixedly connected. A height adjustment device 4 is fixedly connected inside the protection frame 3. A chute 5 is opened on one side of the protection frame 3;

[0033] The height adjustment device 4 includes a motor 401. The output end of the motor 401 is drivingly connected to a lead screw 402. A connection fixing rod 403 is sleeved on the outer surface of the lead screw 402. The connection fixing rod 403 is adapted to the chute 5. The other end of the connection fixing rod 403 is sleeved with a limiting rod 404. The refrigerator door 1 bears all the components and devices. The connection frame 2 supports and protects the internal adjustment device. The protection frame 3 fixes and protects the height adjustment device 4 and is provided with a chute 5 to cooperate with the movement of the adjustment device. When the user issues an instruction through the adjustment button, the motor 401 will start according to the instruction, and its output end will start to rotate. The output end of the motor 401 is connected to the lead screw 402. Therefore, the rotation of the motor will drive the lead screw 402 to rotate. The connection fixing rod 403 is sleeved on the lead screw 402. Due to the thread design of the lead screw 402, when the lead screw 402 rotates, the connection fixing rod 403 will move up and down along the axis of the lead screw 402 under the action of the thread. The function of the limiting rod 404 is to limit the rotation of the connection fixing rod 403 so that it can only move in the vertical direction. The limiting rod 404 may be fixed to the connection fixing rod 403 in a certain way and can slide freely within the protection frame 3 at the same time. The movement of the connection fixing rod 403 is carried out within the chute 5. The design of the chute 5 ensures that the movement track of the connection fixing rod 403 is accurate.

[0034] An external fixing frame 6 is sleeved on the outer surface of the refrigerator door 1. A buffer rubber pad 7 is fixedly connected to the rear end of the external fixing frame 6. The external fixing frame 6 is sleeved on the outer surface of the refrigerator door 1, increasing the stability of the door body. And a buffer rubber pad 7 is fixedly connected to its rear end. When the refrigerator door 1 is closed, the buffer rubber pad 7 can slow down the impact between the door body and the refrigerator body, reducing noise and vibration.

[0035] A connecting plate 8 is fixedly connected to the front end of the height adjustment device 4. A storage rack 9 is fixedly connected to the front end of the connecting plate 8. The connecting plate 8 is fixed to the front end of the height adjustment device 4. As the connection fixing rod 403 moves up and down, the connecting plate 8 will also move accordingly. The storage rack 9 is fixed to the connecting plate 8 and will therefore move up and down together with the connecting plate 8, thus realizing the height adjustment of the storage rack 9.

[0036] A baffle 10 is fixedly connected to the upper surface of the storage rack 9. The baffle 10 plays a role of blocking and fixing to ensure that items will not fall off the storage rack 9.

[0037] In the middle of the front end of the refrigerator door 1, a control panel 11 is fixedly connected. The control panel 11 receives the instructions from the user and converts them into action signals for the motor 401, and the display screen 12 displays the current adjustment status and other status information of the refrigerator.

[0038] At the top of the front end of the control panel 11, a display screen 12 is fixedly connected, and at the bottom of the front end of the control panel 11, adjustment buttons 13 are fixedly connected. The display screen 12 displays various statuses and information of the refrigerator, and the user can use the adjustment buttons 13 to adjust the temperature and other parameters of the refrigerator.

[0039] On one side of the front end of the refrigerator door 1, a handle 14 is fixedly connected. The user can conveniently open or close the refrigerator door 1 through the handle 14.

[0040] The implementation principle of a door height adjustment structure for a refrigerator in the embodiment of the present application is as follows: The refrigerator door 1 bears all the components and devices. The connecting frame 2 supports and protects the internal adjustment device. The protection frame 3 fixes and protects the height adjustment device 4 and is provided with a chute 5 to cooperate with the movement of the adjustment device. When the user issues an instruction through the adjustment button, the motor 401 will start according to the instruction, and its output end starts to rotate. The output end of the motor 401 is connected to the lead screw 402. Therefore, the rotation of the motor will drive the lead screw 402 to rotate. The connecting and fixing rod 403 is sleeved on the lead screw 402. Due to the thread design of the lead screw 402, when the lead screw 402 rotates, the connecting and fixing rod 403 will move up and down along the axis of the lead screw 402 under the action of the thread. The function of the limiting rod 404 is to limit the rotation of the connecting and fixing rod 403 so that it can only move in the vertical direction. The limiting rod 404 may be fixed to the connecting and fixing rod 403 in a certain way and can slide freely within the protection frame 3 at the same time. The movement of the connecting and fixing rod 403 is carried out within the chute 5. The design of the chute 5 ensures that the movement track of the connecting and fixing rod 403 is accurate. The connecting plate 8 is fixed to the front end of the height adjustment device 4. As the connecting and fixing rod 403 moves up and down, the connecting plate 8 will also move accordingly. The storage rack 9 is fixed to the connecting plate 8 and will therefore move up and down together with the movement of the connecting plate 8, thus realizing the height adjustment of the storage rack 9.

[0041] The above implementation manners are only the preferred implementation manners of the present utility model and cannot be used to limit the scope of protection of the present utility model. Any non-substantial changes and substitutions made by those skilled in the art based on the present utility model belong to the scope of protection required by the present utility model.

Claims

1. A door height adjustment structure for a refrigerator, characterized in that It includes a refrigerator door (1), a connection frame (2) is fixedly connected to the rear end of the refrigerator door (1), protection frames (3) are fixedly connected to both sides of the inner wall of the connection frame (2), a height adjustment device (4) is fixedly connected inside the protection frame (3), and a chute (5) is provided on one side of the protection frame (3); The height adjustment device (4) includes a motor (401), the output end of the motor (401) is drivingly connected to a lead screw (402), a connection fixing rod (403) is sleeved on the outer surface of the lead screw (402), the connection fixing rod (403) is adapted to the chute (5), and a limiting rod (404) is sleeved at the other end of the connection fixing rod (403).

2. The height adjustment structure for the door body of a refrigerator according to claim 1, characterized in that: An external fixing frame (6) is sleeved on the outer surface of the refrigerator door (1), and a buffer rubber pad (7) is fixedly connected to the rear end of the external fixing frame (6).

3. The height adjustment structure for the door body of a refrigerator according to claim 1, characterized in that: A connection plate (8) is fixedly connected to the front end of the height adjustment device (4), and a storage rack (9) is fixedly connected to the front end of the connection plate (8).

4. The height adjustment structure for the door of a refrigerator according to claim 3, characterized in that: A baffle (10) is fixedly connected to the upper surface of the storage rack (9).

5. The height adjustment structure for the door body of a refrigerator according to claim 1, characterized in that: A control panel (11) is fixedly connected to the middle of the front end of the refrigerator door (1).

6. The height adjustment structure for the door body of a refrigerator according to claim 5, characterized in that: A display screen (12) is fixedly connected to the top of the front end of the control panel (11), and adjustment buttons (13) are fixedly connected to the bottom of the front end of the control panel (11).

7. The door height adjustment structure for a refrigerator according to claim 1, characterized in that: A handle (14) is fixedly connected to one side of the front end of the refrigerator door (1).