Multi-angle positioning and self-locking structure based on server case door and use method

By coordinating the design of synchronous rotation and positioning components, multi-angle positioning and self-locking of the server chassis door are achieved, solving the problems of easy shaking and safety hazards of traditional chassis doors, and improving maintenance efficiency and safety.

CN121996031APending Publication Date: 2026-05-08ZHENJIANG LONGTU IOT TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ZHENJIANG LONGTU IOT TECH CO LTD
Filing Date
2026-01-15
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Traditional server chassis doors lack reliable multi-angle positioning and self-locking designs, making the doors susceptible to external forces, interfering with maintenance operations and posing safety hazards.

Method used

By employing a collaborative design of synchronous rotation components, positioning components, and unlocking components, the door achieves precise multi-angle positioning and self-locking. Through the engagement of synchronous ratchet and pawl and the operation of the unlocking pull rope, the door can be flexibly locked and conveniently unlocked at the target angle.

Benefits of technology

It effectively prevents the door from shaking or closing unexpectedly, improves maintenance efficiency, ensures operational safety and equipment stability, and balances ease of operation with structural reliability.

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Abstract

The invention relates to the technical field of server cases, in particular to a multi-angle positioning and self-locking structure based on a server case door and a using method.The multi-angle positioning and self-locking structure comprises a case body and a door body arranged on the front side of the case body, and one end of the front side of the door body is rotationally connected with the same end of the front side of the case body through a hinge through a positioning pawl; a synchronous rotating assembly is arranged at the top of the hinge located on the upper portion, a positioning supporting plate corresponding to the synchronous rotating assembly in position is fixedly connected to the end, close to the hinges, of the front side of the positioning pawl box body, a positioning assembly is arranged at the top of the positioning pawl positioning supporting plate, and an unlocking assembly is arranged on the side, away from the synchronous rotating assembly, of the positioning pawl positioning supporting plate. Multi-angle accurate positioning of the door body is achieved through synchronous rotation and a self-locking structure, accidental shaking or closing of the door body during maintenance is avoided, operation safety and efficiency are guaranteed, the angle of the door body can be rapidly adjusted or the door body can be closed and reliably self-locked again in cooperation with a convenient unlocking structure, and operation convenience and structural reliability are both considered.
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Description

Technical Field

[0001] This invention relates to the field of server chassis technology, specifically to a multi-angle positioning and self-locking structure for server chassis doors and its usage method. Background Technology

[0002] A server chassis is a standardized metal shell that carries the core hardware of a server. Its core function is to provide physical protection, stable installation space and efficient heat dissipation environment for internal components, while ensuring hardware interconnection compatibility and ease of operation and maintenance. It is the basic carrier for the stable operation of server systems and is widely adapted to scenarios such as data centers, enterprise computer rooms and edge computing.

[0003] Traditional server chassis doors mostly lack reliable multi-angle positioning and self-locking design. After opening, they can only remain fully open or rely on simple buckles for limited fixation, making it difficult to flexibly lock them at the target angle according to the space requirements of maintenance operations.

[0004] This design flaw makes the door susceptible to external forces such as personnel collisions and equipment vibrations during maintenance, resulting in unexpected shaking or even sudden closure. This not only interferes with the operator's inspection, plugging and unplugging of internal components, reducing maintenance efficiency, but also may cause the operator's hand to be pinched by the sudden closure of the door, or cause equipment failure due to collision with the connection cables of the chassis port, posing safety hazards and equipment damage risks to maintenance work. Therefore, in order to address the above problems, a multi-angle positioning and self-locking structure and usage method based on server chassis door is proposed. Summary of the Invention

[0005] The purpose of this invention is to provide a multi-angle positioning and self-locking structure and method of use based on server chassis doors, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] The invention relates to a multi-angle positioning and self-locking structure and usage method for server chassis doors, comprising a chassis and a door located on the front side of the chassis. One end of the door is rotatably connected to the same end of the front side of the chassis via a hinge. A synchronous rotation component is located at the top of the hinge. A positioning support plate corresponding to the position of the synchronous rotation component is fixedly connected to the end of the front side of the chassis near the hinge. A positioning component is located at the top of the positioning support plate, and an unlocking component is located on the side of the positioning support plate away from the synchronous rotation component. The synchronous rotation component includes a synchronous connecting shaft, which is coaxially arranged with the hinge's rotation axis, and its bottom end is fixedly connected to the hinge's rotation axis. A synchronous ratchet is sleeved on the outer side of the synchronous connecting shaft. The positioning component includes a positioning seat and a positioning pawl. The positioning seat is fixedly connected to the top of the positioning support plate on the side away from the synchronous rotation component. One end of the positioning pawl is rotatably connected to the top of the positioning support plate near the synchronous rotation component via a rotating shaft, and the other end of the positioning pawl engages with the synchronous ratchet.

[0008] As a further optimization of the invention, a connecting key is fixedly connected to the outer side of the synchronous connecting shaft, and a keyway adapted to the connecting key is opened at the center of the synchronous ratchet. The synchronous ratchet is connected to the synchronous connecting shaft key through the keyway and the connecting key.

[0009] As a further optimization of the invention, the end of the positioning pawl near the rotating shaft is straight, and the end of the positioning pawl near the synchronous ratchet is arc-shaped to fit the outer ratchet teeth of the synchronous ratchet.

[0010] As a further optimization of the invention, a return spring is provided above the positioning support plate, and the two ends of the return spring are fixedly connected to the side wall of the positioning seat and the straight end of the positioning pawl, respectively.

[0011] As a further optimization of the invention, a first rotating groove is provided at the corresponding position of the box body, and a second rotating groove is provided at the corresponding position of the door body.

[0012] As a further optimization of the invention, the first rotating groove and the second rotating groove can both accommodate the rotation of the synchronous ratchet, and the first rotating groove and the second rotating groove are both coaxially arranged with the synchronous ratchet.

[0013] As a further optimization of the invention, the unlocking component includes a support wheel frame and a rope wheel, wherein the support wheel frame is symmetrically arranged, and one end of the support wheel frame is fixedly placed on the outside of the positioning support plate.

[0014] As a further optimization of the invention, the rope wheel is located between two support wheel frames, and the rope wheel is rotatably connected to the support wheel frames through its own central axis.

[0015] As a further optimization of the invention, the following features are provided: an unlocking pull rope is provided at the groove of the rope wheel, one end of the unlocking pull rope is fixedly connected to the arc-shaped end side wall of the positioning pawl, and the other end of the unlocking pull rope is fixedly connected to an unlocking handle.

[0016] How to use a multi-angle positioning and self-locking structure based on server chassis doors:

[0017] S1: When the door is closed, the positioning pawl is engaged with the synchronous ratchet under the elastic force of the return spring. The synchronous ratchet is fixed to the synchronous connecting shaft through the cooperation of the connecting key and the keyway. The synchronous connecting shaft is coaxially fixed with the hinge shaft, thereby realizing the self-locking fixation of the door.

[0018] S2: When the door is opened, rotate the door away from the box. The door rotates synchronously through the hinge and the synchronous connecting shaft. The synchronous connecting shaft drives the synchronous ratchet to rotate smoothly in the first and second rotating slots. The ratchet teeth of the synchronous ratchet push the positioning pawl to overcome the elastic force of the return spring and rotate around its own axis. When the door rotates to the target angle, the positioning pawl re-engages with the corresponding ratchet teeth of the synchronous ratchet under the action of the return spring, thus achieving the positioning at that angle.

[0019] S3: When adjusting the door angle or closing the door, pull the unlocking handle. The unlocking handle causes the unlocking rope to slide along the groove of the rope wheel. The rope wheel rotates on the support frame to change the direction of the pulling force. The unlocking rope pulls the arc-shaped end of the positioning pawl, causing the positioning pawl to rotate around its own axis and disengage from the synchronous ratchet, thus releasing the engagement between the positioning pawl and the synchronous ratchet. Keep the unlocking handle pulled, rotate the door to the desired angle, and then release the unlocking handle. The positioning pawl will re-engage with the synchronous ratchet under the action of the return spring to achieve positioning. If the door needs to be closed, continue rotating the door to the closed position and release the unlocking handle. The positioning pawl will then engage with the synchronous ratchet to achieve self-locking.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] 1. In this invention, through the synergistic effect of the synchronous rotation component and the positioning component, multi-angle precise positioning can be achieved after the door is opened. It can be flexibly locked at the target angle according to the maintenance operation space requirements, effectively avoiding accidental shaking or closing of the door caused by external forces, ensuring that the maintenance operation is not disturbed, improving maintenance efficiency, and eliminating the risk of the door pinching personnel or colliding with connecting wires, ensuring maintenance safety and equipment stability.

[0022] 1. In this invention, the unlocking component makes the unlocking structure easy to operate. The door positioning state can be quickly released by a simple pulling action without affecting the smoothness of the door angle adjustment or closing operation. After unlocking, the door can still rely on the self-locking structure to achieve reliable self-locking after repositioning or closing at a new angle. This balances ease of operation and structural reliability, meeting the efficient use requirements of server maintenance. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 This is a cross-sectional view of the present invention;

[0025] Figure 3 For the present invention Figure 2 Enlarged view of point A;

[0026] Figure 4 This is a schematic diagram of the hinge structure of the present invention;

[0027] Figure 5 This is an exploded view of the synchronous rotation assembly of the present invention;

[0028] Figure 6 This is a schematic diagram of the positioning component of the present invention;

[0029] Figure 7 This is an exploded view of the structure of the unlocking component of the present invention.

[0030] In the diagram: 1. Box body; 11. First rotating groove; 2. Door body; 21. Second rotating groove; 3. Hinge; 4. Synchronous rotation assembly; 41. Synchronous connecting shaft; 42. Connecting key; 43. Keyway; 44. Synchronous ratchet; 5. Positioning support plate; 6. Positioning assembly; 61. Positioning seat; 62. Positioning pawl; 63. Return spring; 7. Unlocking assembly; 71. Support wheel frame; 72. Rope wheel; 73. Unlocking pull rope; 74. Unlocking handle. Detailed Implementation

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. 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 are within the scope of protection of the present invention.

[0032] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0033] Please see Figures 1-7 The present invention provides a technical solution:

[0034] Based on a multi-angle positioning and self-locking structure for server chassis doors, the system includes a chassis 1 and a door 2 located on the front side of the chassis 1. One front end of the door 2 is rotatably connected to the same front end of the chassis 1 via a hinge 3. A synchronous rotation assembly 4 is located at the top of the hinge 3. A positioning support plate 5, corresponding to the position of the synchronous rotation assembly 4, is fixedly connected to the front end of the chassis 1 near the hinge 3. A positioning assembly 6 is located at the top of the positioning support plate 5, and an unlocking assembly 7 is located on the side of the positioning support plate 5 away from the synchronous rotation assembly 4. The synchronous rotation assembly 4 includes a... The synchronous connecting shaft 41 is coaxially arranged with the rotating shaft of the hinge 3, and the bottom end of the synchronous connecting shaft 41 is fixedly connected to the rotating shaft of the hinge 3. A synchronous ratchet 44 is sleeved on the outer side of the synchronous connecting shaft 41. The positioning assembly 6 includes a positioning seat 61 and a positioning pawl 62. The positioning seat 61 is fixedly connected to the top of the positioning support plate 5 away from the synchronous rotating assembly 4. One end of the positioning pawl 62 is rotatably connected to the top of the positioning support plate 5 near the synchronous rotating assembly 4 through a rotating shaft. The other end of the positioning pawl 62 is engaged with the synchronous ratchet 44.

[0035] It should be noted that: the enclosure 1 provides installation space for the core components of the server, the door 2 is opened and closed by the hinge 3 to ensure the protection of the inside of the enclosure, and the synchronous rotation component 4, the positioning component 6 and the unlocking component 7 work together to allow the door 2 to be positioned at multiple angles and to lock itself, so as to meet the operational needs during server maintenance.

[0036] As a further implementation of this solution, a connecting key 42 is fixedly connected to the outer side of the synchronous connecting shaft 41, and a keyway 43 adapted to the connecting key 42 is opened at the center of the synchronous ratchet 44. The synchronous ratchet 44 is connected to the synchronous connecting shaft 41 via the keyway 43 and the connecting key 42.

[0037] It should be noted that the matching design of the connecting key 42 and the keyway 43 ensures that the synchronous ratchet 44 and the synchronous connecting shaft 41 rotate synchronously, avoiding relative slippage. This key connection method has a simple structure, is fixed and reliable, and can accurately transmit the rotational power of the door body 2.

[0038] As a further implementation of this solution, the end of the positioning pawl 62 near the rotating shaft is set flat, and the end of the positioning pawl 62 near the synchronous ratchet 44 is set in an arc shape to adapt to the outer ratchet teeth of the synchronous ratchet 44.

[0039] It should be noted that the straight end of the positioning pawl 62 is convenient for installing the return spring 63, while the arc-shaped end can fit tightly with the ratchet teeth of the synchronous ratchet 44. This shape design not only ensures meshing stability but also reduces jamming during rotation, making positioning smoother.

[0040] As a further implementation of this solution, a return spring 63 is provided above the positioning support plate 5. The two ends of the return spring 63 are fixedly connected to the side wall of the positioning seat 61 and the straight end of the positioning pawl 62, respectively.

[0041] It should be noted that: the return spring 63 provides continuous elastic force to the positioning pawl 62, so that it always maintains the tendency to engage with the synchronous ratchet 44. When the door body 2 rotates to the target angle, the return spring 63 can quickly push the positioning pawl 62 to reset, so as to achieve instant positioning.

[0042] As a further implementation of this solution, a first rotating groove 11 is provided at the corresponding position of the box body 1, and a second rotating groove 21 is provided at the corresponding position of the door body 2. Both the first rotating groove 11 and the second rotating groove 21 can accommodate the rotation of the synchronous ratchet 44, and both the first rotating groove 11 and the second rotating groove 21 are coaxially arranged with the synchronous ratchet 44.

[0043] It should be noted that: the first rotating groove 11 and the second rotating groove 21 provide sufficient rotation space for the synchronous ratchet 44 to avoid interference with the box 1 and the door 2. The coaxial design ensures that the synchronous ratchet 44 rotates smoothly and improves the overall operational reliability of the structure.

[0044] As a further implementation of this solution, the unlocking component 7 includes a support wheel frame 71 and a rope wheel 72. The support wheel frames 71 are symmetrically arranged, and one end of the support wheel frame 71 is fixedly placed on the outside of the positioning support plate 5. The rope wheel 72 is located between the two support wheel frames 71, and the rope wheel 72 is rotatably connected to the support wheel frame 71 through its own central axis. The groove of the rope wheel 72 is provided with an unlocking pull rope 73. One end of the unlocking pull rope 73 is fixedly connected to the arc-shaped end side wall of the positioning pawl 62, and the other end of the unlocking pull rope 73 is fixedly connected to an unlocking handle 74.

[0045] It should be noted that the support wheel frame 71 provides stable support for the rope wheel 72. The rope wheel 72 can change the direction of the pulling force of the unlocking pull rope 73, making the unlocking operation easier. The unlocking pull rope 73 connects the positioning pawl 62 and the unlocking handle 74. By pulling the unlocking handle 74, the positioning can be quickly released, making the operation convenient.

[0046] Work process: When the door 2 is closed, the positioning pawl 62 is engaged with the synchronous ratchet 44 under the elastic force of the return spring 63. The synchronous ratchet 44 is fixed with the synchronous connecting shaft 41 through the cooperation of the connecting key 42 and the keyway 43. The synchronous connecting shaft 41 is coaxially fixed with the hinge 3 shaft, thereby realizing the self-locking fixation of the door 2.

[0047] When the door 2 is opened, the door 2 is rotated away from the box 1. The door 2 drives the synchronous connecting shaft 41 to rotate synchronously through the hinge 3. The synchronous connecting shaft 41 drives the synchronous ratchet 44 to rotate smoothly in the first rotating groove 11 and the second rotating groove 21. The ratchet teeth of the synchronous ratchet 44 push the positioning pawl 62 to overcome the elastic force of the return spring 63 and rotate around its own axis. When the door 2 rotates to the target angle, the positioning pawl 62 re-engages with the corresponding ratchet teeth of the synchronous ratchet 44 under the action of the return spring 63, so as to achieve the positioning of the angle.

[0048] When adjusting the angle of door 2 or closing door 2, pull the unlocking handle 74. The unlocking handle 74 drives the unlocking rope 73 to slide along the groove of the rope wheel 72. The rope wheel 72 rotates on the support wheel frame 71 to change the direction of the pulling force. The unlocking rope 73 pulls the arc-shaped end of the positioning pawl 62, causing the positioning pawl 62 to rotate around its own axis and disengage from the synchronous ratchet 44, thus releasing the engagement between the positioning pawl 62 and the synchronous ratchet 44. Keep the unlocking handle 74 pulled, rotate door 2 to the required angle, and then release the unlocking handle 74. The positioning pawl 62 will re-engage with the synchronous ratchet 44 under the action of the return spring 63 to achieve positioning. If it is necessary to close door 2, continue to rotate door 2 to the closed position, release the unlocking handle 74, and the positioning pawl 62 will engage with the synchronous ratchet 44 to achieve self-locking.

[0049] Although embodiments of the 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 invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-angle positioning and self-locking structure based on a server chassis door, comprising a chassis (1) and a door (2) disposed on the front side of the chassis (1), characterized in that: The front end of the door (2) is rotatably connected to the front end of the box (1) by a hinge (3). The top of the hinge (3) is provided with a synchronous rotation component (4). The front end of the box (1) near the hinge (3) is fixedly connected with a positioning support plate (5) corresponding to the position of the synchronous rotation component (4). The top of the positioning support plate (5) is provided with a positioning component (6). The side of the positioning support plate (5) away from the synchronous rotation component (4) is provided with an unlocking component (7). The synchronous rotation assembly (4) includes a synchronous connecting shaft (41), which is coaxially arranged with the pivot of the hinge (3), and the bottom end of the synchronous connecting shaft (41) is fixedly connected to the pivot of the hinge (3). A synchronous ratchet (44) is sleeved on the outer side of the synchronous connecting shaft (41). The positioning component (6) includes a positioning seat (61) and a positioning pawl (62). The positioning seat (61) is fixedly connected to the top of the positioning support plate (5) away from the synchronous rotation component (4). One end of the positioning pawl (62) is rotatably connected to the top of the positioning support plate (5) near the synchronous rotation component (4) via a rotating shaft. The other end of the positioning pawl (62) is engaged with the synchronous ratchet (44).

2. The multi-angle positioning and self-locking structure based on a server chassis door according to claim 1, characterized in that: A connecting key (42) is fixedly connected to the outside of the synchronous connecting shaft (41). A keyway (43) adapted to the connecting key (42) is provided at the center of the synchronous ratchet (44). The synchronous ratchet (44) is connected to the synchronous connecting shaft (41) via the keyway (43) and the connecting key (42).

3. The multi-angle positioning and self-locking structure based on a server chassis door according to claim 1, characterized in that: The positioning pawl (62) is straight at one end near the rotating shaft, and the positioning pawl (62) is arc-shaped at the other end near the synchronous ratchet (44) to fit the outer ratchet teeth of the synchronous ratchet (44).

4. The multi-angle positioning and self-locking structure based on a server chassis door according to claim 3, characterized in that: A return spring (63) is provided above the positioning support plate (5). The two ends of the return spring (63) are fixedly connected to the side wall of the positioning seat (61) and the straight end of the positioning pawl (62), respectively.

5. The multi-angle positioning and self-locking structure based on a server chassis door according to claim 1, characterized in that: The box (1) has a first rotating groove (11) at the corresponding position, and the door (2) has a second rotating groove (21) at the corresponding position.

6. The multi-angle positioning and self-locking structure based on a server chassis door according to claim 5, characterized in that: Both the first rotating groove (11) and the second rotating groove (21) can accommodate the rotation of the synchronous ratchet (44), and both the first rotating groove (11) and the second rotating groove (21) are coaxially arranged with the synchronous ratchet (44).

7. The multi-angle positioning and self-locking structure based on a server chassis door according to claim 1, characterized in that: The unlocking component (7) includes a support wheel frame (71) and a rope wheel (72). The support wheel frame (71) is symmetrically arranged, and one end of the support wheel frame (71) is fixedly placed on the outside of the positioning support plate (5).

8. The multi-angle positioning and self-locking structure based on a server chassis door according to claim 7, characterized in that: The rope wheel (72) is located between two support wheel frames (71), and the rope wheel (72) is rotatably connected to the support wheel frame (71) through its own central axis.

9. The multi-angle positioning and self-locking structure based on a server chassis door according to claim 7, characterized in that: The groove of the rope wheel (72) is provided with an unlocking pull rope (73). One end of the unlocking pull rope (73) is fixedly connected to the arc-shaped end side wall of the positioning pawl (62), and the other end of the unlocking pull rope (73) is fixedly connected to an unlocking handle (74).

10. The multi-angle positioning and self-locking structure and method of use based on any one of claims 1-9 of a server chassis door, characterized in that: S1: When the door (2) is closed, the positioning pawl (62) is engaged with the synchronous ratchet (44) under the elastic force of the return spring (63). The synchronous ratchet (44) is fixed with the synchronous connecting shaft (41) through the cooperation of the connecting key (42) and the keyway (43). The synchronous connecting shaft (41) is coaxially fixed with the hinge (3) shaft, so as to realize the self-locking fixation of the door (2). S2: When the door (2) is opened, the door (2) is rotated away from the box (1). The door (2) drives the synchronous connecting shaft (41) to rotate synchronously through the hinge (3). The synchronous connecting shaft (41) drives the synchronous ratchet (44) to rotate smoothly in the first rotating groove (11) and the second rotating groove (21). The ratchet teeth of the synchronous ratchet (44) push the positioning pawl (62) to overcome the elastic force of the return spring (63) and rotate around its own axis. When the door (2) rotates to the target angle, the positioning pawl (62) re-engages with the corresponding ratchet teeth of the synchronous ratchet (44) under the action of the return spring (63) to achieve the positioning of the angle. S3: When it is necessary to adjust the angle of the door (2) or close the door (2), pull the unlocking handle (74). The unlocking handle (74) drives the unlocking rope (73) to slide along the groove of the rope wheel (72). The rope wheel (72) rotates on the support wheel frame (71) to change the direction of the pulling force. The unlocking rope (73) pulls the arc end of the positioning pawl (62), causing the positioning pawl (62) to rotate around its own axis and disengage from the synchronous ratchet (44), thus releasing the positioning pawl (62) from the synchronous ratchet (44). When the synchronous ratchet (44) is engaged, keep pulling the unlocking handle (74). After rotating the door (2) to the required angle, release the unlocking handle (74). The positioning pawl (62) will engage with the synchronous ratchet (44) again under the action of the return spring (63) to achieve positioning. If the door (2) needs to be closed, continue to rotate the door (2) to the closed position and release the unlocking handle (74). The positioning pawl (62) will engage with the synchronous ratchet (44) to achieve self-locking.