Bidirectional door opening structure
By adopting hinge components and suction fitting components design in household appliances, the two-way opening of the box door is achieved, which solves the interference problem caused by the single-opening door structure and improves the flexibility of use and sealing.
Patent Information
- Application Number
- CN202422442470.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-10-10
AI Technical Summary
The single-door structure of existing household appliances causes the cabinet door opening direction to interfere with the surrounding structure, affecting product sales, and the complex structure does not conform to user usage habits.
The hinge assembly and suction assembly design enable the box door to open in both directions, and the left or right side is opened by rotating connections on both sides of the hinge assembly, and the seal is ensured by using magnetic components, combining the bracket and roller support structure to improve opening and closing stability.
It realizes flexible two-way opening of the box door, adapts to different space needs, avoids the limitations of single-sided door opening, and maintains good sealing and smooth opening and closing.
Smart Images

Figure CN223177418U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of household appliances, in particular to a bidirectional door opening structure. Background Art
[0002] Household appliances such as refrigerators, microwave ovens, and ovens are all composed of a box body and a cabinet door in their main structures. Taking a single-door refrigerator as an example, the cabinet door of the refrigerator is installed on the opening of the box body through a hinge on one side. The cabinet door and the box body are attracted by a magnetic structure and sealed and insulated by a sealing strip. The cabinet doors of existing single-door refrigerators can only be opened unidirectionally. For some placement environments, the opening direction of the cabinet door will interfere with the surrounding structures, affecting the sales of the product.
[0003] Chinese Patent CN105421920A discloses a door opening mechanism for a refrigerator and a refrigerator including the same. The refrigerator includes a door body and a box body. The door body is arranged at the opening of the box body. The door opening mechanism includes: a guiding member for being arranged inside the door body; a horizontal shaft for passing through the door body along the thickness direction of the door body, and upper and lower inclined grooves are symmetrically arranged at one end of the horizontal shaft close to the box body, and the horizontal shaft is slidably arranged inside the guiding member along the thickness direction of the door body; an upper movable shaft slidably arranged inside the guiding member along the height direction of the door body, and a first elastic member is sleeved on the first end of the upper movable shaft and used for inserting into the top of the box body, and the second end of the upper movable shaft is used for abutting against the upper inclined groove; a lower movable shaft slidably arranged inside the guiding member along the height direction of the door body, and a second elastic member is sleeved on the first end of the lower movable shaft and used for inserting into the bottom of the box body, and the second end of the lower movable shaft is used for abutting against the lower inclined groove; when the horizontal shaft is subjected to an outward pulling force along the thickness direction of the door body, the upper movable shaft moves downward along the height direction of the door body and disengages from the top of the box body, and the lower movable shaft moves upward along the height direction of the door body and disengages from the bottom of the box body.
[0004] In the above-mentioned prior art, the user needs to drive the door pulling mechanism on the cabinet door to control the horizontal shaft to drive the upper and lower movable shafts in a linkage manner, so that the cabinet door can be opened to one side. The overall structure is relatively complex and does not conform to the user's usage habits. Therefore, the prior art still needs to be improved and developed. Summary of the Utility Model
[0005] The purpose of the utility model is to provide a bidirectional door opening structure with reasonable structure and flexible use in view of the defects and deficiencies of the prior art.
[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:
[0007] A bidirectional door opening structure according to the present utility model includes a box body and a box door. The box door is arranged on the opening of the box body, and a hinge assembly is provided between the box door and the box body. The two ends of the hinge assembly are relatively arranged on both sides of the box body. The first end of the hinge assembly is rotatably connected to the box body, and the second end of the hinge assembly is rotatably connected to the box door. A suction assembly is provided between the box door and the box body, so that the box door can open the opening of the box body to the left or to the right. Through the hinge assembly, both sides of the box door can rotate relative to the box body, so that the box door can open to the left or to the right, which can meet the usage habits of different customers, avoid the limitations of single-sided door opening, and make the product adapt to the requirements of space placement.
[0008] Specifically, the first end of the hinge assembly is rotatably connected to the box body, so that the box door and the hinge assembly can be opened and closed integrally on the box body, and the box door can be opened and closed from one side of the opening of the box body. Further, the box door is rotatably connected to the second end of the hinge assembly, so that the hinge assembly is relatively fixed to the box body and the box door rotates independently, so that the box door can be opened and closed from the other side of the opening of the box body.
[0009] It can be understood that the suction assembly is used to detachably lock the box door on the box body. When the box door is closed, the suction assembly makes the box door and the box body fit tightly, so that the opening of the box body is sealed.
[0010] According to the above solution, the hinge assembly includes a hinge rod, a hinge seat and a hinge leaf. The hinge seat and the hinge leaf are relatively arranged on both sides of the box body. The hinge seat is fixedly connected to the box body, and the first end of the hinge rod is rotatably connected to the hinge seat. The hinge leaf is fixedly connected to the box door, and the second end of the hinge rod is rotatably connected to the hinge leaf of the box door. The hinge rod is arranged between the box door and the box body, and the hinge seat and the hinge leaf are respectively connected to both ends of the hinge rod, so that the hinge rod is respectively rotatably connected to the box body and the box door.
[0011] According to the above solution, hinge leaves are provided at both ends of the hinge rod, and the two hinge leaves are respectively riveted to the hinge seat and the hinge leaf. It can be understood that the hinge rod can be a stamping part, so that hinge leaves are formed at both ends. While ensuring the structural strength, the stamping-formed hinge rod can reduce the space occupation and is also relatively convenient to process. Further, both ends of the hinge rod are riveted to the hinge seat and the hinge leaf through the hinge leaves to form a rotational fit. The hinge rod, the hinge seat and the hinge leaf form a hinge assembly, which is more convenient to assemble.
[0012] According to the above solution, the suction assembly is a magnetic element, and mutually paired magnetic elements are provided on both sides of the box door and the box body. It can be understood that the magnetic element includes a magnet or a magnetically sensitive material. The magnet or the magnetically sensitive material is respectively arranged on the box door and the box body, so that the two can be mutually attracted to close the opening of the box door.
[0013] According to the above solution, a hinge assembly is provided between the upper end of the cabinet door and the cabinet body, and a hinge assembly is also provided between the lower end of the cabinet door and the cabinet body. By providing a set of hinge assemblies at both the upper and lower ends of the cabinet body and the cabinet door, the opening and closing of the cabinet door can be ensured to be stable and smooth.
[0014] According to the above solution, at least two brackets are provided at the lower end of the cabinet body, and rollers are provided on the brackets. The bottom surface of the cabinet door is in rolling cooperation with the rollers. One end of the bracket is connected to the cabinet body, and the other end of the bracket extends out and is arranged below the cabinet door, so that the rollers support the cabinet door, and the rollers can rotate without affecting the opening and closing of the cabinet door. Preferably, two brackets are provided at the lower end of the cabinet body, and the two brackets are respectively close to both ends of the hinge rod, so that when the cabinet door is opened or closed from either side of the cabinet body, it can be supported by the brackets and the rollers.
[0015] According to the above solution, the bracket is fixedly connected to the cabinet body, or the bracket is slidably connected to the cabinet body through a slide rail. One end of the bracket of the present utility model is fixed to the cabinet body, and rollers are provided through the forward-extending bracket. When the cabinet door is opened or closed, the rollers can support the cabinet door, making the pairing with the cabinet body more accurate. Further, when the bracket is slidably installed on the cabinet body through a slide rail, the bracket can support a larger opening and closing stroke of the cabinet door.
[0016] According to the above solution, a damping pad for cooperating with the rollers is provided on the bottom surface of the cabinet door. The damping pad is used to eliminate the gap between the cabinet door and the rollers on the bracket. Of course, the damping pad also has a certain hysteresis ability, so that when the cabinet door is opened from one side, the other side of the cabinet door can be prevented from loosening.
[0017] A bidirectional door opening structure of the present utility model enables both sides of the cabinet door to be relatively rotatable with the cabinet body through the hinge assembly and the suction assembly, so that the cabinet door can be opened to the left or to the right, meeting the usage habits of different customers, avoiding the limitations of single-sided door opening, and enabling the product to adapt to the requirements of space placement. Description of the Drawings
[0018] Figure 1 It is a schematic diagram of the top structure of the cabinet body when the cabinet door of the present utility model is closed;
[0019] Figure 2 It is a schematic diagram of the bottom structure of the cabinet body when the cabinet door of the present utility model is closed;
[0020] Figure 3 It is a schematic diagram of the hinge assembly structure of the present utility model;
[0021] Figure 4 It is a schematic diagram of the structure of the present utility model when the cabinet door is opened from one side;
[0022] Figure 5It is a schematic structural view when the other side of the cabinet door of the present utility model is opened.
[0023] In the figure:
[0024] 1. Cabinet body; 2. Cabinet door; 3. Hinge rod; 11. Magnetic element; 12. Bracket; 13. Roller; 14. Damping pad; 31. Hinge seat; 32. Hinge; 33. Folding hinge. Specific embodiments
[0025] The technical solutions of the present utility model will be described below in conjunction with the drawings and embodiments.
[0026] As Figures 1-5 shown, a bidirectional door opening structure described in the present utility model includes a cabinet body 1 and a cabinet door 2. The cabinet door 2 is arranged on the opening of the cabinet body 1. A hinge assembly is provided between the cabinet door 2 and the cabinet body 1. The two ends of the hinge assembly are relatively arranged on both sides of the cabinet body 1. The first end of the hinge assembly is rotatably connected to the cabinet body 1, and the second end of the hinge assembly is rotatably connected to the cabinet door 2. A suction assembly is provided between the cabinet door 2 and the cabinet body 1, so that the cabinet door 2 can open the opening of the cabinet body 1 to the left or to the right. The present utility model can be applied to household appliances, and the best application is a refrigerator. Through the hinge assembly, both sides of the cabinet door 2 can rotate relative to the cabinet body 1, so that the cabinet door 2 can open to the left or to the right, which can meet the usage habits of different customers, avoid the limitations of single-sided door opening, and make the refrigerator product adapt to the requirements of space placement.
[0027] Specifically, the first end of the hinge assembly is rotatably connected to the cabinet body 1, so that the cabinet door 2 and the hinge assembly can be opened and closed integrally on the cabinet body 1, and the cabinet door 2 can be opened and closed from one side of the opening of the cabinet body 1. Further, the cabinet door 2 is rotatably connected to the second end of the hinge assembly, so that the hinge assembly is relatively fixed to the cabinet body 1, and the cabinet door 2 rotates independently, so that the cabinet door 2 can be opened and closed from the other side of the opening of the cabinet body 1.
[0028] It can be understood that the suction assembly is used to detachably lock the cabinet door 2 on the cabinet body 1. When the cabinet door 2 is closed, the suction assembly makes the cabinet door 2 and the cabinet body 1 fit tightly, so that the opening of the cabinet body 1 is sealed.
[0029] The hinge assembly includes a hinge rod 3, a hinge seat 31 and a hinge 32. The hinge seat 31 and the hinge 32 are relatively arranged on both sides of the cabinet body 1. The hinge seat 31 is fixedly connected to the cabinet body 1, and the first end of the hinge rod 3 is rotatably connected to the hinge seat 31. The hinge 32 is fixedly connected to the cabinet door 2, and the second end of the hinge rod 3 is rotatably connected to the hinge 32 of the cabinet door 2. The hinge rod 3 is arranged between the cabinet door 2 and the cabinet body 1, and the hinge seat 31 and the hinge 32 are respectively connected to both ends of the hinge rod 3, so that the hinge rod 3 is respectively rotatably connected to the cabinet body 1 and the cabinet door 2.
[0030] Both ends of the hinge rod 3 are provided with hinges 33, and the two hinges 33 are respectively riveted to the hinge seat 31 and the hinge 32. It can be understood that the hinge rod 3 can be a stamping part, so that the hinges 33 are formed at both ends. Under the condition of ensuring the structural strength, the stamping-formed hinge rod 3 can reduce the space occupation and is also more convenient to process. Further, both ends of the hinge rod 3 are riveted to the hinge seat 31 and the hinge 32 through the hinges 33 to form a rotational fit. The hinge rod 3, the hinge seat 31 and the hinge 32 form a hinge assembly, and the assembly is more convenient.
[0031] The suction assembly is a magnetic element 11, and the magnetic elements 11 are arranged in pairs on both sides of the box door 2 and the box body 1. It can be understood that the magnetic element 11 includes a magnet or a magnetizable material. The magnet or the magnetizable material is respectively arranged on the box door 2 and the box body 1, so that the two can be mutually attracted to close the opening of the box door 2.
[0032] A hinge assembly is arranged between the upper end of the box door 2 and the box body 1, and a hinge assembly is arranged between the lower end of the box door 2 and the box body 1. A set of hinge assemblies are arranged at both the upper and lower ends of the box body 1 and the box door 2, which can ensure the stable and smooth opening and closing of the box door 2.
[0033] At least two brackets 12 are arranged at the lower end of the box body 1, and rollers 13 are arranged on the brackets 12. The bottom surface of the box door 2 is in rolling fit with the rollers 13. One end of the bracket 12 is connected to the box body 1, and the other end of the bracket 12 extends out and is arranged below the box door 2, so that the rollers 13 support the box door 2, and the rollers 13 can rotate without affecting the opening and closing of the box door 2. Preferably, two brackets 12 are arranged at the lower end of the box body 1, and the two brackets 12 are respectively close to both ends of the hinge rod 3, so that when the box door 2 is opened or closed from either side of the box body 1, it can be supported by the brackets 12 and the rollers 13.
[0034] The bracket 12 is fixedly connected to the box body 1, or the bracket 12 is slidably connected to the box body 1 through a slide rail. One end of the bracket 12 of the present utility model is fixed on the box body 1, and the rollers 13 are arranged through the bracket 12 extending forward. When the box door 2 is opened or closed, the rollers 13 can support the box door 2 to make the pairing with the box body 1 more accurate. Further, when the bracket 12 is slidably installed on the box body 1 through the slide rail, the bracket 12 can support a larger opening and closing stroke of the box door 2.
[0035] A damping pad 14 cooperating with the rollers 13 is arranged on the bottom surface of the box door 2. The damping pad 14 is used to eliminate the gap between the box door 2 and the rollers 13 on the bracket 12. Of course, the damping pad 14 also has a certain hysteresis ability, so that when the box door 2 is opened from one side, the other side of the box door 2 is prevented from loosening.
[0036] The above are only the preferred embodiments of the present utility model. Therefore, all equivalent changes or modifications made according to the structures, features and principles described in the scope of the patent application of the present utility model are included in the scope of the patent application of the present utility model.
Claims
1. A bidirectional door opening structure, comprising a box body (1) and a box door (2), the box door (2) is arranged on the opening of the box body (1), and a hinge assembly is provided between the box door (2) and the box body (1), characterized in that, Both ends of the hinge assembly are relatively arranged on both sides of the box body (1), the first end of the hinge assembly is rotatably connected to the box body (1), and the second end of the hinge assembly is rotatably connected to the box door (2); A suction assembly is provided between the box door (2) and the box body (1), so that the box door (2) can open the opening of the box body (1) to the left or to the right.
2. The bidirectional door opening structure according to claim 1, wherein The hinge assembly includes a hinge rod (3), a hinge seat (31) and a hinge (32), the hinge seat (31) and the hinge (32) are relatively arranged on both sides of the box body (1); the hinge seat (31) is fixedly connected to the box body (1), and the first end of the hinge rod (3) is rotatably connected to the hinge seat (31); the hinge (32) is fixedly connected to the box door (2), and the second end of the hinge rod (3) is rotatably connected to the hinge (32) of the box door (2).
3. The bidirectional door opening structure according to claim 2, characterized in that, Hinges (33) are provided at both ends of the hinge rod (3), and the two hinges (33) are respectively riveted to the hinge seat (31) and the hinge (32).
4. The bidirectional door opening structure according to claim 1, characterized in that, The suction assembly is a magnetic element (11), and paired magnetic elements (11) are provided on both sides of the box door (2) and the box body (1).
5. The bidirectional door opening structure according to claim 1, wherein, A hinge assembly is provided between the upper end of the box door (2) and the box body (1), and a hinge assembly is provided between the lower end of the box door (2) and the box body (1).
6. The two-way door opening structure according to claim 1, characterized in that, At least two brackets (12) are provided at the lower end of the box body (1), rollers (13) are provided on the brackets (12), and the bottom surface of the box door (2) is in rolling cooperation with the rollers (13).
7. The bidirectional door opening structure according to claim 6, wherein, The bracket (12) is fixedly connected to the box body (1), or the bracket (12) is slidably connected to the box body (1) through a slide rail.
8. The bidirectional door opening structure according to claim 6, characterized in that, A damping pad (14) for cooperating with the roller (13) is provided on the bottom surface of the box door (2).
Citation Information
Patent Citations
Door opening mechanism for refrigerator and refrigerator with door opening mechanism
CN105421920A