A hinge applied to a server cabinet

By combining a fixed base, mounting base, rotating pin, and torsion spring, the problem of server cabinet hinges not being able to automatically return to their original position is solved, achieving automatic return and angle limitation, improving ease of use and structural stability, and meeting the aesthetic and intelligent requirements of modern industrial design.

CN224301227UActive Publication Date: 2026-05-29厦门美科精密科技有限公司

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
厦门美科精密科技有限公司
Filing Date
2025-08-13
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing server rack hinges cannot automatically spring back and lack angle restrictions, resulting in inconvenient operation and easy damage. Their appearance design is also monotonous and fails to meet the needs of modern industrial design.

Method used

The design employs a combination of a fixed base, mounting base, rotating pin, and torsion spring. The torsion spring's elasticity enables automatic rebound, while the rotation angle is limited by the engagement of a limit block and a notch, ensuring stability and safety.

Benefits of technology

It achieves automatic springback function of the hinge, improves ease of use and structural stability, meets the aesthetic and intelligent requirements of modern industrial design, and avoids damage caused by excessive rotation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a hinge applied to server cabinet, it relates to a hinge which realizes automatic rebound function through fixed base, mounting seat, rotating pin and torsional spring cooperation. It includes fixed base, mounting seat, rotating pin and torsional spring, fixed base is connected with mounting seat through rotating pin, and torsional spring is sleeved in the outer periphery of rotating pin and is connected with fixed base and mounting seat respectively at both ends, thereby providing elastic support and automatic rebound function. The utility model restricts the rotation angle through the design of limiting block and gap, ensures the stability and safety of structure, adopts concave structure to optimize visual effect and installation convenience simultaneously. The utility model can realize automatic rebound function, improves the convenience and safety of use.
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Description

Technical Field

[0001] This utility model relates to a hinge used in server cabinets. Background Technology

[0002] In modern data center and server equipment management, the design and functional optimization of server racks are crucial. Hinges, as a vital component of server racks, directly impact their ease of use and level of intelligence. Currently, most server rack hinges on the market are traditional, non-rebound structures. While these hinges can achieve basic opening and closing functions, they have many shortcomings in practical use. For example, users need to manually operate the rack doors to open or close them; they lack automatic spring-back or positioning functions, resulting in inconvenience and low efficiency.

[0003] Furthermore, traditional hinges typically lack effective control over rotation angles, making them prone to damaging cabinet doors or the hinges themselves due to excessive rotation, thus affecting the lifespan and safety of the equipment. At the same time, existing hinge designs are often rather monotonous, failing to meet the demands of integrated and aesthetically pleasing modern industrial designs. These problems not only diminish the user experience but also hinder the development of server support systems towards automation and intelligence. Summary of the Invention

[0004] This utility model discloses a hinge for use in server cabinets, which aims to solve the problems mentioned above.

[0005] The present invention adopts the following solution:

[0006] A hinge for a server cabinet includes: a fixed base with a first connecting hole; a mounting base with a second connecting hole, wherein the first connecting hole is compatible with the second connecting hole; a rotating pin that can be inserted into the first connecting hole and the second connecting hole to connect the fixed base and the mounting base together and enable the mounting base to rotate relative to the fixed base; and a torsion spring that can be sleeved on the outer periphery of the rotating pin, wherein one end of the torsion spring is connected to the fixed base and the other end of the torsion spring is connected to the mounting base, so that the torsion spring can drive the mounting base to rotate relative to the fixed base.

[0007] In this embodiment of the present invention, the end face of the fixing seat facing the mounting seat is recessed to form a first recessed groove, the first recessed groove is coaxially arranged with the first connecting hole, and one end of the torsion spring can abut against the bottom of the first recessed groove.

[0008] In this embodiment of the utility model, the fixing base is further provided with a slot, which is disposed on the side of the first sink groove and is connected to the first sink groove. One end of the torsion spring extends to the side and is provided with a first snap-fit ​​part, which can be disposed in the slot.

[0009] In this embodiment of the utility model, the end face of the mounting base facing the fixed base is recessed to form a second recessed groove, the second recessed groove is coaxially arranged with the second connecting hole, and the other end of the torsion spring can abut against the bottom of the second recessed groove.

[0010] In this embodiment of the present invention, the mounting base is provided with an opening on the side wall of the second sink groove, and the other end of the torsion spring extends to the side and is provided with a second snap-fit ​​part, which can be configured to snap into the opening.

[0011] In this embodiment of the present invention, the mounting base has a notch on the side wall around the second settling tank, and the fixed base has a limiting block protruding on the end face facing the mounting base. The limiting block can be adapted to the notch and can abut against the side walls at both ends of the notch to limit the angle of rotation of the mounting base relative to the fixed base.

[0012] In this embodiment of the invention, the opening is connected to the notch, and one side wall of the opening and one side wall of the notch are on the same plane.

[0013] In this embodiment of the invention, the cross-sections of the first sink and the second sink are circular and are adapted to the torsion spring.

[0014] In this embodiment of the invention, the wire diameter of the torsion spring is 1.2 mm.

[0015] This utility model provides a hinge for server cabinets, which has the following advantages: First, the torsion spring design allows the mounting base to automatically rebound between 0 and 92°, meeting customers' needs for automation and intelligence. Second, the structural design of the first recess, second recess, slot, opening, and limiting block ensures the stability and reliability of the hinge. Third, the concave structure of the fixing base and mounting base not only facilitates the embedding of the torsion spring to achieve the rotation function, but also achieves a visually integrated effect. Finally, the matching design of the limiting block and the notch effectively limits the rotation angle of the mounting base, avoiding structural damage or safety hazards caused by excessive rotation; at the same time, through the precise matching and structural optimization between various components, the problem of existing hinges not being able to rebound is solved, while improving structural stability and ease of use, and realizing the automatic rebound function. Attached Figure Description

[0016] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1This is a schematic diagram of the unfolded state in an embodiment of this utility model. Figure 1 .

[0018] Figure 2 This is a schematic diagram of the unfolded state in an embodiment of this utility model. Figure 2 .

[0019] Figure 3 This is a schematic diagram of the closed state in an embodiment of this utility model. Figure 1 .

[0020] Figure 4 This is a schematic diagram of the closed state in an embodiment of this utility model. Figure 2 .

[0021] Figure 5 This is a breakdown of the embodiments of this utility model. Figure 1 .

[0022] Figure 6 This is a breakdown of the embodiments of this utility model. Figure 2 . Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments.

[0024] Referring to the accompanying drawings, the hinge of this utility model includes a fixed base 1, a mounting base 4, a rotating pin 2, and a torsion spring 3. The fixed base 1 is the basic component of the overall structure, and it has a first connecting hole 5 for engaging with the rotating pin 2. The end face of the fixed base 1 facing the mounting base 4 is recessed to form a first recess 6, which is coaxially arranged with the first connecting hole 5, ensuring that one end of the torsion spring 3 can be tightly embedded therein, thereby enhancing the stability of the structure. In addition, the fixed base 1 is also equipped with a retaining groove 7, located beside and communicating with the first recess 6, for accommodating the first retaining portion 8 of the torsion spring 3. This design not only facilitates the installation of the torsion spring 3 but also effectively limits the displacement of the torsion spring 3 during operation, preventing functional failure due to loosening. Furthermore, the diameters of the two recesses are not less than the outer diameter of the torsion spring. A limiting block 9 is also protruding from the end face of the fixed base 1. The limiting block 9 is designed to fit with the notch 10 on the mounting base 4, limiting the rotation angle of the mounting base 4 relative to the fixed base 1 through abutment engagement. This design ensures that the mounting base 4 has a defined range of motion during rotation, avoiding structural damage or safety hazards caused by excessive rotation.

[0025] Mounting base 4 is another key component of the hinge, equipped with a second connecting hole 11. The second connecting hole 11 is adapted to the first connecting hole 5 on the fixed base 1 to achieve precise alignment between the two. The end face of mounting base 4 facing fixed base 1 is recessed to form a second recess 12. The second recess 12 is coaxially arranged with the second connecting hole 11 to accommodate the other end of torsion spring 3. Similar to the first recess 6, the design of the second recess 12 also enhances the stability of torsion spring 3 and reduces the impact of the external environment. The side wall of mounting base 4 located around the second recess 12 is provided with an opening 13 and a notch 10. The opening 13 is used to accommodate the second snap-fit ​​part 14 of torsion spring 3, while the notch 10 cooperates with the limiting block 9 on fixed base 1 to jointly limit the rotation angle of mounting base 4. Specifically, the opening 13 is connected to the notch 10, and one side wall of the opening 13 and one side wall of the notch 10 are on the same plane. This design allows the second snap-fit ​​part 14 of the torsion spring 3 to snap into the opening 13 and the notch 10 at the same time, further enhancing the connection strength between the mounting base 4 and the fixing base 1. Similarly, the second snap-fit ​​part can extend out of the opening to the outside of the second sink.

[0026] The rotating pin 2, as the core component connecting the fixed base 1 and the mounting base 4, passes through the first connecting hole 5 and the second connecting hole 11, riveting the two together while allowing the mounting base 4 to rotate relative to the fixed base 1. A torsion spring 3 is sleeved on the outer periphery of the rotating pin 2. The torsion spring 3 is connected to the fixed base 1 and the mounting base 4 respectively through hook-like structures (i.e., two snap-fit ​​parts) at both ends. The torsion spring 3 has two effective coils, a wire diameter of 1.2mm, and an angle of 135° at both ends to meet specific elasticity requirements. One end of the torsion spring 3 is snapped into the slot 7 of the fixed base 1 through the first snap-fit ​​part 8, and the other end is snapped into the opening 13 of the mounting base 4 through the second snap-fit ​​part 14, thus realizing the fixing and elastic transmission functions of the torsion spring 3. In actual use, when the mounting base 4 is subjected to external force, the torsion spring 3 deforms and stores elastic potential energy; when the external force is removed, the torsion spring 3 returns to its original shape, driving the mounting base 4 to spring back to its initial position. This process not only achieves an automatic springback function but also significantly improves the ease of use.

[0027] The hinge of this invention has several advantages in practical applications. First, the concave recessed groove structure of the fixed base 1 and the mounting base 4 not only facilitates the internal embedding of the torsion spring 3 to achieve rotation, but also achieves a visually integrated structural effect. Second, the matching design of the limiting block 9 and the notch 10 effectively restricts the rotation angle of the mounting base 4, allowing it to move within the range of 0 to 92°, meeting the requirements of automation and intelligence. Third, the cross-sections of the first recess 6 and the second recess 12 are circular and conform to the shape of the torsion spring 3. This geometric design ensures that the torsion spring 3 can be tightly embedded, enhancing stability and reducing the impact of the external environment on the torsion spring 3. Finally, the two ends of the torsion spring 3 are respectively snapped onto the fixed base 1 and the mounting base 4 through snap-fit ​​parts. This design not only simplifies the assembly process but also improves the reliability of the connection.

[0028] To more clearly illustrate the technical solution of this utility model, the following description is based on a specific application scenario. Assuming the hinge is applied to the opening and closing system of a server cabinet door, the fixed base 1 is fixed to the frame of the server cabinet, and the mounting base 4 is fixed to the cabinet door. The mounting base can be formed by a cylinder and a connecting piece 15; the connecting piece is fixed to the cabinet door, and the cylinder is connected to the fixed base. When the user opens the cabinet door, the mounting base 4 rotates relative to the fixed base 1, causing the torsion spring 3 to deform and store elastic potential energy. When the user releases the cabinet door, the torsion spring 3 returns to its original shape, driving the mounting base 4 back to its initial position, thus automatically closing the cabinet door. Throughout the process, the cooperative design of the limiting block 9 and the notch 10 ensures that the rotation angle of the cabinet door is always within the range of 0–92°, or even 0–90°, avoiding structural damage or safety hazards caused by excessive rotation. Furthermore, since the torsion spring 3 has two effective coils, uses steel wire with a diameter of 1.2mm, and has hook-shaped structures at both ends with an angle between 100° and 150°, preferably 135°, it can provide sufficient elastic force to meet the customer's usage needs.

[0029] In summary, the hinge of this utility model for server cabinets solves the problem of existing hinges not being able to spring back through precise matching between components and structural optimization, while improving structural stability and ease of use, and achieving automatic spring-back functionality. Whether from the perspective of design principles, manufacturing processes, or practical applications, this utility model possesses significant technical advantages and market prospects.

[0030] The foregoing description illustrates and describes preferred embodiments of the present invention. As previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept described herein through the foregoing teachings or related technical or knowledge. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. A hinge for use in a server cabinet, characterized in that, include: A mounting base having a first connecting hole; Mounting base, which is provided with a second connection hole, and the first connection hole can be adapted to the second connection hole; A rotating pin that can be inserted into the first connecting hole and the second connecting hole to connect the fixed seat and the mounting seat together, and to allow the mounting seat to rotate relative to the fixed seat; A torsion spring, which can be sleeved on the outer circumference of a rotating pin, wherein one end of the torsion spring can be connected to a fixed base and the other end of the torsion spring can be connected to a mounting base, so that the torsion spring can drive the mounting base to rotate relative to the fixed base. The end face of the fixed base facing the mounting base is recessed to form a first recessed groove. The first recessed groove is coaxially arranged with the first connecting hole, and one end of the torsion spring can abut against the bottom of the first recessed groove. The fixed base is also provided with a slot, which is located on the side of the first recess and is connected to the first recess. One end of the torsion spring extends to the side and is provided with a first snap-fit ​​part, which can be disposed in the slot. The mounting base has a recessed end face facing the fixed base to form a second recessed groove. The second recessed groove is coaxially arranged with the second connecting hole, and the other end of the torsion spring can abut against the bottom of the second recessed groove.

2. The hinge for a server cabinet according to claim 1, characterized in that, The mounting base has an opening on the side wall around the second sink, and the other end of the torsion spring extends to the side and has a second snap-fit ​​portion that can be snapped into the opening.

3. A hinge for a server cabinet according to claim 2, characterized in that, The mounting base has a notch on the side wall around the second settling tank. The fixed base has a protrusion on the end face facing the mounting base to form a limiting block. The limiting block can be adapted to the notch and can abut against the side walls at both ends of the notch to limit the angle of rotation of the mounting base relative to the fixed base.

4. A hinge for a server cabinet according to claim 3, characterized in that, The opening can be connected to the notch, and one side wall of the opening and one side wall of the notch are on the same plane.

5. A hinge for a server cabinet according to claim 4, characterized in that, The first and second settling tanks have circular cross-sections and are adapted to the torsion springs.

6. A hinge for a server cabinet according to any one of claims 1-5, characterized in that, The wire diameter of the torsion spring is 1.2 mm.