Aluminum profile cabinet door hinge integrated structure
By using an integrated aluminum profile molding process, the hinge and cabinet door are designed as a single unit, solving the problems of complex structure and excessive weight of traditional hinges. This achieves the effects of lightweighting and simplified installation, making it suitable for application scenarios that require lightweighting.
Patent Information
- Application Number
- CN202422998112.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2034-12-05
AI Technical Summary
Traditional cabinet door hinges are complex in structure, difficult to install, and made of steel, which is prone to rust and heavy, making them unsuitable for applications with strict weight restrictions.
The hinges and cabinet doors are integrated into one unit using an aluminum profile molding process. They are connected by a concentric bushing installation method, which simplifies the assembly process, reduces the number of parts, and uses aluminum to reduce weight and prevent rust.
It achieves lightweight and simplified installation of the hinge structure, reduces production costs and time, and improves assembly success rate and reliability, making it suitable for application scenarios with lightweight requirements.
Smart Images

Figure CN223781308U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of structural design technology, specifically relating to an integrated structure of aluminum profile cabinet door hinges. Background Technology
[0002] Traditional server rack door hinges present a series of perplexing problems. Traditionally, server rack doors typically rely on one to three sets of hinges for opening and closing. However, these hinges themselves are extremely complex and diverse, often containing numerous components and intricate connections. For example, some common hinge designs feature multi-segment bending structures, others incorporate special slots and latches at the connection points, and still others employ complex combinations of rotating shafts and mounting brackets. This complexity necessitates the collaborative effort of multiple teams during installation. Installers must not only accurately assemble and secure the various hinge components but also precisely position and drill holes in the rack and door to ensure a tight fit. Even slight deviations can affect the smoothness of the door's opening and closing and the overall airtightness of the rack. Furthermore, traditional hinges are mostly made of steel. While steel offers strength, its susceptibility to rust presents numerous challenges. To prevent rust, its surface must undergo rust-proofing treatment.
[0003] Moreover, since steel is inherently heavy, it also increases the overall weight of the cabinet to some extent. For some applications with strict weight restrictions, such as cabinets in mobile communication base stations and small cabinets in aerospace equipment, the use of traditional steel hinges is particularly disadvantageous.
[0004] Therefore, there is an urgent need for an integrated aluminum profile cabinet door hinge structure that can achieve lightweight design while meeting the basic functions of hinges. Utility Model Content
[0005] The purpose of this utility model is to provide an integrated aluminum profile cabinet door hinge structure. Through structural design, the hinge and cabinet door are integrated into one piece, making the overall structure more compact and lighter. At the same time, it reduces assembly materials and has the cost advantage of mass production. This overcomes the shortcomings of existing hinge structures, which are complex and diverse, require multiple groups of people to complete the installation, and have complicated processing and post-processing techniques.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] The system includes a cabinet, on one side of which is equipped with a cabinet-side hinge. This cabinet-side hinge is connected to a cabinet door hinge via a concentric bushing installation method. The cabinet door and hinge are integrally molded, reducing assembly materials. The concentric bushing installation method ensures that the cabinet door can rotate stably and smoothly around a specific axis during opening and closing.
[0008] Furthermore, the cabinet side hinge includes a fixing component and a first assembly part. The fixing component is fixedly connected to one side of the cabinet, and the first assembly part is fixedly connected to one end of the fixing component as a whole. The first assembly part is used to nest with the cabinet door forming hinge, and the first assembly part has a certain curvature, which is adapted to the shape of the cabinet door forming hinge. During the nesting process, a tighter contact can be achieved, which significantly increases the fixing effect.
[0009] Furthermore, the cabinet door forming hinge includes a cabinet door and a second assembly part, which are fixedly connected as a single unit. The second assembly part is used to nest with the first assembly part. The design of the cabinet door and the second assembly part being integrally formed greatly simplifies the manufacturing process. The integral forming reduces the processing and assembly steps of multiple parts, lowers the probability of assembly defects caused by the accumulation of manufacturing errors of parts, and improves the overall quality of the product and production efficiency.
[0010] Furthermore, the cabinet door is provided with reinforcing ribs, which significantly enhance the structural strength of the cabinet door. The reinforcing ribs can effectively disperse these external forces and avoid stress concentration in a certain local area of the cabinet door, thereby preventing damage such as dents and cracks from occurring.
[0011] Furthermore, the cabinet door is provided with component mounting positions. These mounting positions not only have reinforcing ribs to strengthen the cabinet door structure, but also provide structural space for mass production.
[0012] Furthermore, the two ends of the connection between the cabinet side hinge and the cabinet door forming hinge have anti-detachment fixing positions. The anti-detachment fixing positions are fixed by anti-detachment screws. Their main function is to prevent the cabinet door from being disassembled at will, and at the same time, they serve as a limit.
[0013] Furthermore, both the cabinet side hinges and the cabinet door forming hinges are integrally formed by extruding aluminum ingots. Aluminum material is lightweight and corrosion-resistant, which makes the entire hinge structure lighter, reducing the overall weight of the cabinet and facilitating transportation, installation, and relocation. The integral forming process can ensure the integrity and consistency of the hinge structure, avoiding weak links caused by welding or assembling multiple parts, and improving the structural strength and reliability of the hinge.
[0014] Furthermore, the cabinet side hinge and the cabinet door forming hinge are provided with three pre-installed assembly gaps during the nesting process, allowing the cabinet door forming hinge to smoothly fit onto the cabinet side hinge. These assembly gaps provide sufficient space when the cabinet door forming hinge is fitted onto the cabinet side hinge, preventing jamming caused by excessively tight tolerances and ensuring a smoother fitting process. During the opening and closing of the cabinet door, the assembly gaps provide a buffer space for relative rotation between the hinges, allowing for minor dimensional deviations and deformations, ensuring flexibility and stability of rotation. When the cabinet door is closed, the assembly gaps act as a fine-tuning mechanism, ensuring the cabinet door accurately fits against the cabinet.
[0015] Furthermore, the fastener is fixedly connected to one side of the cabinet by welding.
[0016] Furthermore, the fastener is fixed to one side of the cabinet using screws.
[0017] Compared with the prior art, the present invention has the following beneficial technical effects:
[0018] This utility model provides an integrated aluminum profile cabinet door hinge structure. Through a one-piece molding process, the cabinet door and hinge are combined into a single component. During assembly, the numerous assembly materials previously used to connect the cabinet door and hinge are no longer needed, significantly reducing the types and quantities of assembly materials. Only the one-piece molded cabinet door hinge needs to be installed onto the cabinet, making the operation simple and quick. Simultaneously, the use of one-piece molding with aluminum profiles, which have excellent plasticity and processing properties, allows for the simultaneous molding and post-processing of the cabinet door and hinge in a single operation through specific molds and extrusion processes. Compared to traditional cabinet hinges and doors being two separate parts requiring complete processing and surface finishing, this simplification directly results in significant time savings and a substantial reduction in production cycle time. Since the cabinet door and hinge are manufactured as a single component using a one-piece molding process, no additional fixing methods are needed during assembly; simply install this single component directly onto the cabinet. This avoids assembly risks caused by missing connectors or installation errors, greatly improving the success rate and reliability of assembly. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the integrated aluminum profile cabinet door hinge structure in an embodiment of this utility model.
[0020] Figure 2 As an embodiment of this utility model Figure 1 Enlarged view of a portion of the diagram.
[0021] Figure 3 As an embodiment of this utility model Figure 1 Top view diagram.
[0022] In the diagram, 1. Cabinet; 2. Cabinet side hinge; 3. Cabinet door forming hinge; 4. Fixture; 5. First assembly section; 6. Cabinet door; 7. Second assembly section; 8. Reinforcing rib; 9. Component mounting position; 10. Anti-loosening screw; 11. Gap 1; 12. Gap 2; 13. Gap 3; 14. Anti-loosening fixing position. Detailed Implementation
[0023] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.
[0024] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of the utility model described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.
[0025] See Figures 1 to 2 An integrated aluminum profile cabinet door hinge structure includes a cabinet 1. A cabinet side hinge 2 is provided on one side of the cabinet 1. The cabinet side hinge 2 is connected to a cabinet door forming hinge 3 by a concentric bushing installation method. Both the cabinet side hinge 2 and the cabinet door forming hinge 3 are integrally formed by extrusion of aluminum ingots. The cabinet side hinge 2 and the cabinet door forming hinge 3 are used in conjunction.
[0026] The cabinet side hinge 2 includes a fixing member 4 and a first assembly part 5. The fixing member 4 is fixedly connected to one side of the cabinet 1. The first assembly part 5 is fixedly connected to one end of the fixing member 4 as a whole. The first assembly part 5 is used to nest with the cabinet door forming hinge 3, and the first assembly part 5 has a certain curvature to increase the fixing effect. The cabinet door forming hinge 3 includes a cabinet door 6 and a second assembly part 7. The cabinet door 6 and the second assembly part 7 are fixedly connected as a whole. The second assembly part 7 is used to nest with the first assembly part 5.
[0027] See Figure 3 For the specific location of the assembly gap, the cabinet side hinge 2 and the cabinet door forming hinge (3) are reserved with assembly gap 11, assembly gap 2 12 and assembly gap 3 13 during the nesting process, so that the cabinet door forming hinge 3 can be smoothly fitted onto the cabinet side hinge 2. The assembly gap can provide enough space when the cabinet door forming hinge 3 is fitted into the cabinet side hinge 2, avoiding the jamming phenomenon caused by excessive tolerance fit, and making the fitting process smoother; the assembly gap provides a certain buffer space for the relative rotation between the hinges during the opening and closing of the cabinet door 6, allowing small dimensional deviations and deformations, ensuring the flexibility and stability of the rotation; the assembly gap plays a fine adjustment role when the cabinet door 6 is closed, so that the cabinet door 6 can be accurately fitted into the cabinet.
[0028] With the cabinet door 6 closed, the second assembly part 7 of the cabinet door forming hinge 3 is nested within the first assembly part 5 of the cabinet side hinge 2. Because the first assembly part 5 has a certain curvature, this curvature design allows for a wrap-around structure during nesting, increasing the contact area and friction, thus effectively preventing the cabinet door 6 from easily shifting or shaking due to external forces. When the cabinet door 6 needs to be opened, the external force applied to the door will cause the cabinet door forming hinge 3 to tend to move relative to the cabinet side hinge 2. Since the two are connected by a concentric shaft sleeve installation method, and an appropriate assembly gap is reserved between the first assembly part 5 and the second assembly part, the cabinet door forming hinge 3 can smoothly begin to rotate around the concentric shaft. During rotation, the curvature of the first assembly part 5 and its nesting with the second assembly part 7 still maintain a certain contact and guiding effect, ensuring that the opening of the cabinet door 6 is smooth and orderly, without any jamming or derailment. When the cabinet door 6 is closed, a reverse force is applied to the cabinet door 6, and the cabinet door forming hinge 3 rotates in the opposite direction to return to its initial position. The curvature and nesting structure of the first assembly part 5 once again come into play, guiding the cabinet door forming hinge 3 accurately back to its optimal closed position, and with the additional fixing effect provided by its curvature, the cabinet door 6 can fit tightly against the cabinet 1, restoring a good seal.
[0029] In some preferred embodiments of this utility model, the cabinet door 6 is provided with reinforcing ribs 8, which significantly enhance the structural strength of the cabinet door 6. When the cabinet door 6 is subjected to large external forces, such as accidental collisions, squeezing, or wind pressure in some special environments, the reinforcing ribs 8 can effectively disperse these external forces, avoid stress concentration in a local area of the cabinet door 6, and thus prevent damage such as dents or cracks from occurring on the cabinet door 6.
[0030] In some preferred embodiments of this utility model, the cabinet door 6 is provided with a device mounting position 9. The device mounting position 9 not only has reinforcing ribs 8 to strengthen the structure of the cabinet door 6, but also reserves a structure for mass production.
[0031] In some preferred embodiments of this utility model, the two ends of the connection between the cabinet side hinge 2 and the cabinet door forming hinge 3 are provided with anti-detachment fixing positions 14. The anti-detachment fixing positions 14 are fixed by anti-detachment screws 10. During the frequent opening and closing of the cabinet door 6, the connection will be subjected to repeated tensile and shear forces. Without effective anti-detachment measures, the cabinet door 6 may fall off. The anti-detachment screws 10 can effectively resist these external forces by adding anti-detachment washers to the screw head or adopting a threaded self-locking structure, keeping the screw in a tight state at all times and ensuring the reliability of the hinge connection.
[0032] In some preferred embodiments of this utility model, the cabinet-side molded hinge 2 can be cut to a shorter length similar to that of a traditional hinge, depending on the size of the cabinet door 6 and the load, or it can be installed as a whole on the side of the cabinet. The fixing member 4 is fixedly connected to one side of the cabinet 1 by welding.
[0033] In some preferred embodiments of this utility model, the fixing member 4 is fixedly connected to one side of the cabinet 1 with screws.
[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An integrated aluminum profile cabinet door hinge structure, characterized in that, Includes a cabinet (1), and a cabinet side hinge (2) is provided on one side of the cabinet (1). The cabinet side hinge (2) is connected to a cabinet door forming hinge (3) by a concentric bushing installation method. The cabinet side hinge (2) includes a fixing part (4) and a first assembly part (5). The fixing part (4) is fixedly connected to one side of the cabinet (1). The first assembly part (5) is fixedly connected to one end of the fixing part (4) as a whole. The first assembly part (5) is used to nest with the cabinet door forming hinge (3). The first assembly part (5) has a certain curvature to increase the fixing effect. The cabinet door forming hinge (3) includes a cabinet door (6) and a second assembly part (7). The cabinet door (6) and the second assembly part (7) are fixedly connected as one unit. The second assembly part (7) is used to nest with the first assembly part (5).
2. The integrated aluminum profile cabinet door hinge structure according to claim 1, characterized in that, The cabinet door (6) is provided with reinforcing ribs (8).
3. The integrated aluminum profile cabinet door hinge structure according to claim 1, characterized in that, The cabinet door (6) is provided with a device mounting position (9).
4. The integrated aluminum profile cabinet door hinge structure according to claim 1, characterized in that, The two ends of the connection between the cabinet side hinge (2) and the cabinet door forming hinge (3) are provided with anti-detachment fixing positions (14), which are fixed by anti-detachment screws (10).
5. The integrated aluminum profile cabinet door hinge structure according to claim 1, characterized in that, The cabinet side hinge (2) and the cabinet door forming hinge (3) are both integrally formed by extruding aluminum ingots.
6. The integrated aluminum profile cabinet door hinge structure according to claim 1, characterized in that, The cabinet side hinge (2) and the cabinet door forming hinge (3) are provided with assembly gap one (11), assembly gap two (12) and assembly gap three (13) during the nesting process, so that the cabinet door forming hinge (3) can be smoothly fitted onto the cabinet side hinge (2).
7. The integrated aluminum profile cabinet door hinge structure according to claim 1, characterized in that, The fastener (4) is fixedly connected to one side of the cabinet (1) by welding.
8. The integrated aluminum profile cabinet door hinge structure according to claim 1, characterized in that, The fastener (4) is fixedly connected to one side of the cabinet (1) with screws.