Cable management arm and server cabinet

Abstract

The present application discloses a cable management arm and a server cabinet, comprising: a foldable cable management arm body, which is used to bind cables for connecting signals; a chassis side guide rail assembly, which is arranged on the rear window of the chassis and is synchronously inserted and pulled out with the chassis; the chassis side guide rail assembly is provided with a first track along the vertical direction; a rack side guide rail assembly, which is arranged on the column of the rack; the rack side guide rail assembly is provided with a second track along the vertical direction; wherein, the folding direction of the foldable cable management arm body is set to be consistent with the insertion and pulling out direction of the chassis, and the two ends of the foldable cable management arm body are respectively slidably connected to the first track and the second track in an up and down manner, and the up and down sliding position of the foldable cable management arm body is misaligned with the pluggable module of the rear window of the chassis; the foldable cable management arm body that can be adjusted up and down solves the maintenance problem when there are large-sized pluggable modules at the rear of the chassis, and it is easy to adjust and occupies a small volume.

Description

Technical Field

[0001] The present application relates to the technical field of server cabinets, and in particular to a cable management arm and a server cabinet. Background Art

[0002] Currently, when maintaining components inside general server equipment, the chassis needs to be pulled out from the front door of the server cabinet and the top cover opened for maintenance. At this time, the rear window of the chassis usually has many external cable ports. In order to ensure that these external cables are not interrupted when the chassis is pulled out for maintenance, many servers are designed with cable management arms. Such cable management arms are foldable and are in a folded state under normal circumstances. They are extended when the chassis is pulled out of the server cabinet.

[0003] However, the application scenarios of this type of cable management arm are generally when there are no large-sized pluggable modules on the rear window of the chassis. If there are large pluggable modules on the rear window of the chassis, the folded cable management arm will block the plugging and unplugging of the pluggable modules on the rear window, and its scope of application will be limited. Therefore, it is urgent to invent a new type of cable management arm to solve the above problems. Summary of the Invention

[0004] The present application provides a cable management arm and a server cabinet, which are designed to solve the problem that when there are large-sized pluggable modules at the rear of an existing chassis, the cable management arm hinders the insertion and removal maintenance of the large-sized pluggable modules.

[0005] According to some embodiments, the present application provides a cable management arm, comprising: a foldable cable management arm body, which is used to bind cables for connecting signals; a chassis side guide rail assembly, which is arranged at the rear window of the chassis and is synchronously inserted and pulled out with the chassis; the chassis side guide rail assembly is provided with a first track along the vertical direction; a rack side guide rail assembly, which is arranged on the column of the rack; the rack side guide rail assembly is provided with a second track along the vertical direction; wherein, the folding direction of the foldable cable management arm body is set to be consistent with the insertion and pulling direction of the chassis, and the two ends of the foldable cable management arm body are respectively slidably connected to the first track and the second track, and the up and down sliding position of the foldable cable management arm body is offset with the pluggable module on the rear window of the chassis.

[0006] By adopting the above-mentioned technical solution: the two ends of the foldable cable management arm body are respectively connected to the first track and the second track in an up and down sliding manner, so that the foldable cable management arm body can be set to slide up and down along the track directions of the first track and the second track, and the foldable cable management arm body can be dislocated with the pluggable module on the rear window of the chassis when it is in the up and down sliding position. The position of the pluggable module is fixed and can only be plugged in and out in one direction from the rear window of the chassis, and the foldable cable management arm body can slide up and down. Therefore, the foldable cable management arm body is dislocated with the pluggable module on the rear window of the chassis by sliding the foldable cable management arm body, so that the pluggable module will not interfere with the foldable cable management arm body when plugging in and out, and it can also solve the problem that when there is a large-sized pluggable module at the rear of the existing chassis, the cable management arm hinders the plugging and unplugging maintenance of the large-sized pluggable module.

[0007] In an optional embodiment, one end of the foldable cable management arm body is hinged to a chassis end connector, and a chassis sliding portion is provided on the chassis end connector, and the chassis sliding portion is used to slide with the first track; the other end of the foldable cable management arm body is hinged to a rack end connector, and a rack sliding portion is provided on the rack end connector, and the rack sliding portion is used to slide with the second track.

[0008] By adopting the above-mentioned technical solution: the chassis end connector of the foldable cable management arm body is slidably connected to the first track using a chassis sliding part, and the rack end connector of the foldable cable management arm body is slidably connected to the second track using a rack sliding part. Thus, the foldable cable management arm body uses the rack and the chassis as supports for sliding up and down, and the structural design is simple and easy to adjust.

[0009] In an optional embodiment, the chassis side guide rail assembly includes a chassis connecting plate, which is fixedly mounted on the rear window of the chassis; the first rail is a long guide rail hole provided on the chassis connecting plate, and the chassis sliding part is a hanging nail sliding in the long guide rail hole.

[0010] By adopting the above-mentioned technical solution: one end of the foldable cable management arm body uses a hanging nail to slide along the long hole of the guide rail on the chassis connecting plate. Through the cooperation between the hanging nail and the long hole of the guide rail, the sliding path of the foldable cable management arm body is stable, and the hanging nail is also easy to install in the long hole of the guide rail or remove from the long hole of the guide rail.

[0011] In an optional embodiment, the first rail passes through two opposite sides of the chassis connecting plate, and the hanging nail is inserted into the chassis end connector and then slidably connected to the first rail.

[0012] By adopting the above technical solution: the first track is set to pass through the opposite sides of the chassis connecting plate, so that the hanging nail can penetrate into the first track, and the hanging nail is not easy to fall out of the first track when sliding along the first track.

[0013] In an optional embodiment, the inner diameter of the upper end hole of the first track is larger than the inner diameters of holes at other positions, and the hanging nail penetrates from the upper end of the first track and slides downward along the extension direction of the first track.

[0014] By adopting the above technical solution: the inner diameter of the hole at the upper end of the first rail is set to be larger than the inner diameters of the holes at other positions, it is convenient for the hanging nail to penetrate from the upper end of the first rail and slide downward along the extension direction of the first rail. At the same time, when the hanging nail needs to be removed, it is also convenient to remove the hanging nail from the upper end of the first rail.

[0015] In an optional embodiment, a reboundable stop pin is also connected to the chassis end connector, and a plurality of stop pin holes arranged along the vertical direction are provided on the chassis connecting plate, and the reboundable stop pin is inserted into the stop pin hole to achieve stopping.

[0016] By adopting the above-mentioned technical solution: when the position of the foldable cable management arm body slides up and down to a suitable position, a reboundable stop pin is inserted into the stop pin hole to stop the foldable cable management arm body, and the stop pin holes are arranged in a plurality of ways along the vertical direction. Thus, the foldable cable management arm body can slide to any position in the vertical direction and can be stopped by the reboundable stop pin when it corresponds to the position of the stop pin hole therein.

[0017] In an optional embodiment, the rack side guide rail assembly includes a rack connecting plate, which is fixedly mounted on a column of the rack; the second rail is the two vertical edges of the rack connecting plate, and the rack sliding portion is a guide rail slot adapted to the second rail.

[0018] By adopting the above technical solution: one end of the foldable cable management arm body cooperates with the two vertical edges of the rack connecting plate through the guide rail slot, so that the foldable cable management arm body can slide along the vertical edge of the rack connecting plate, and the sliding stability can also be ensured.

[0019] In an optional embodiment, the foldable cable management arm body includes a plurality of first folding arms and second folding arms that are folded together, and the first folding arms and the second folding arms are folded and fixed by connecting pins to achieve synchronous upward and downward adjustment of the sliding position.

[0020] By adopting the above-mentioned technical solution: the foldable cable management arm body is unfolded by a plurality of first folding arms and a second folding arm folded together when unfolded, and is folded together by a plurality of first folding arms and a second folding arm folded together when folded together, and the first folding arms and the second folding arms are folded and fixed by connecting pins. When the foldable cable management arm body slides up and down, the plurality of first folding arms and the second folding arms folded together are fixed by the connecting pins, thereby maintaining synchronization during sliding.

[0021] In an optional embodiment, the first folding arm and the second folding arm are respectively provided with a wire tie buckle, and the wire tie buckle is used to tie the cable.

[0022] By adopting the above technical solution: using cable ties on the foldable cable management arm body to bind the cables, the cables can be bound on the foldable cable management arm body according to the prescribed path, making the direction of the cables more reasonable and standardized.

[0023] The present application also provides a server cabinet, comprising the cable management arm.

[0024] The embodiments of the present disclosure have at least the following advantages:

[0025] First, a chassis side guide rail assembly is installed on the rear window of the chassis, and a rack side guide rail assembly is installed on one side of the rack. One end of the foldable cable management arm body is slidably arranged on the first track of the chassis side guide rail assembly, and the other end is slidably arranged on the second track of the rack side guide rail assembly. When the chassis is pulled out, the foldable cable management arm body can be synchronously expanded or folded along with the pulling out of the chassis. When encountering a large-sized pluggable module, if the foldable cable management arm body obstructs the large-sized pluggable module, the position of the sliding foldable cable management arm body can be adjusted up and down to make the foldable cable management arm body avoid the large-sized pluggable module, thereby solving the problem that the foldable cable management arm body obstructs the plugging and unplugging maintenance of the large-sized pluggable module when there is a large-sized pluggable module at the rear of the chassis.

[0026] Second, the guide rail structure enables the foldable cable management arm to be adjusted up and down, which is convenient to adjust and occupies a small space, effectively solving the maintenance problem of pluggable modules on the rear window of the chassis.

[0027] Third, a rebound stop pin is designed on the foldable cable management arm body. When the foldable cable management arm body is adjusted up and down, the rebound stop pin is inserted into the stop pin hole to stop the foldable cable management arm body. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the traditional technology, the following is a brief introduction to the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0029] Figure 1 This is a schematic structural diagram showing a cable management arm in an embodiment of the present application;

[0030] Figure 2 This is an exploded schematic diagram showing a chassis side guide rail assembly, a rack side guide rail assembly, and a foldable cable management arm body in an embodiment of the present application;

[0031] Figure 3 This is a schematic diagram showing the installation position of the chassis side rail assembly and the chassis in an embodiment of the present application;

[0032] Figure 4 This is a schematic diagram showing the installation positions of the rack side guide rail assembly and the rack in an embodiment of the present application;

[0033] Figure 5 This is an exploded schematic diagram showing a chassis-end connector, a rack-end connector, and a foldable cable management arm body in an embodiment of the present application;

[0034] Figure 6 is a schematic diagram showing an embodiment of the present application in which the foldable cable management arm body is located below the chassis;

[0035] Figure 7 This is a schematic diagram showing the pulling out of a pluggable module located above the foldable cable management arm body in an embodiment of the present application;

[0036] Figure 8 This is a schematic diagram showing an embodiment of the present application in which the foldable cable management arm body is located above the chassis;

[0037] Figure 9 This is a schematic diagram showing the pulling out of a pluggable module located below the foldable cable management arm body in an embodiment of the present application.

[0038] Description of the drawings: 1. Foldable cable management arm body; 11. Chassis end connector; 12. Rack end connector; 13. First folding arm; 14. Second folding arm; 15. Connecting pin; 16. Wire tie; 2. Chassis side guide rail assembly; 21. Chassis connecting plate; 211. First fixing plate; 212. Stop pin hole; 22. First rail; 3. Rack side guide rail assembly; 31. Rack connecting plate; 311. Screw hole; 3111. Screw; 32. Second rail; 4. Chassis; 41. Second fixing plate; 411. Nut hole; 5. Captive screw; 6. Column; 61. Retractable rail; 62. Fixed rail. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, each embodiment of the present application will be described in detail below with reference to the accompanying drawings. However, it will be understood by those skilled in the art that in each embodiment of the present application, many technical details are proposed to enable the reader to better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical solutions claimed in the present application can be implemented. The division of the following embodiments is for convenience of description and should not constitute any limitation on the specific implementation of the present application. The various embodiments can be combined with each other and referenced to each other under the premise of no contradiction.

[0040] It is understood that the terms "or / and" used in this application describe the relationship between associated objects, indicating that three possible relationships exist. For example, "A or / and B" can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. The character " / " generally indicates that the associated objects are in an "or" relationship.

[0041] Currently, when maintaining components inside server equipment, it is often necessary to pull the chassis out of the cabinet's front door and open the top cover for maintenance. The chassis' rear window often has many external cable ports. To ensure these external cables remain connected during chassis insertion and removal, many servers are designed with foldable cable management arms. These arms are normally folded and extend when the chassis is pulled out of the cabinet. However, these cable management arms are generally used in scenarios where the chassis' rear window does not have large pluggable modules. If a large pluggable module is present, the folded cable management arm will block access to the rear window's pluggable modules, limiting their applicability.

[0042] Therefore, a new cable management arm is proposed in an embodiment of the present application to solve this problem. In this embodiment, the foldable cable management arm body is slidably arranged on the guide rails of the chassis side guide rail assembly and the rack side guide rail assembly. For example, when the foldable cable management arm body is adjusted to above the pluggable module, the pluggable module below the chassis can be maintained. When the foldable cable management arm body is adjusted to below the pluggable module, the pluggable module above the chassis can be maintained. Therefore, in this embodiment, the up and down adjustable function of the foldable cable management arm body is realized through the guide rail structure, which is easy to adjust, occupies a small volume, and effectively solves the problem of maintaining the pluggable modules on the rear window of the chassis.

[0043] The following is a detailed description of a cable management arm provided by this embodiment in conjunction with the accompanying drawings. Figure 1 、 Figure 2 and Figure 3As shown, it includes: a foldable cable management arm body 1, a chassis side guide rail assembly 2 and a rack side guide rail assembly 3. The chassis side guide rail assembly 2 is fixedly mounted on the rear window of the chassis 4 and can be inserted and pulled synchronously with the chassis 4. A first rail 22 is provided on the chassis side guide rail assembly 2, and the first rail 22 extends in the vertical direction; the rack side guide rail assembly 3 is fixedly mounted on the rack, and a second rail 32 is provided on the rack side guide rail assembly 3, and the second rail 32 extends in the vertical direction; the foldable cable management arm body 1 is used to bind cables for connecting signals, and one end of the foldable cable management arm body 1 can be slidably connected to the first rail 22 of the chassis side guide rail assembly 2, and the other end can be slidably connected to the second rail 32 of the rack side guide rail assembly 3. The foldable cable management arm body 1 is dislocated with the larger pluggable module on the rear window of the chassis 4 by sliding up and down.

[0044] The application scenario designed in this embodiment is that when encountering a large pluggable module, if the folded cable management arm in the prior art is still used, it will block the pluggable module set on the rear window of the chassis 4, and its scope of application will be limited. Therefore, this embodiment adopts the idea of ​​adjusting the upper and lower positions of the foldable cable management arm body 1 so that it can avoid the pluggable module. At the same time, this method is easy to adjust and occupies a small volume. The chassis side guide rail assembly 2 is installed on the rear window of the chassis 4, and the chassis side guide rail assembly 2 is provided with a first track 22. The rack side guide rail assembly 3 is installed on the rack, and the rack side guide rail assembly 3 is provided with a second track 32. The two ends of the foldable cable management arm body 1 are respectively correspondingly set on the first track 22 and the second track 32 for sliding up and down, so that the foldable cable management arm body 1 can slide up and down. If it is necessary to maintain the pluggable module below the chassis 4, the foldable cable management arm body 1 is adjusted upwards. If it is necessary to maintain the pluggable module above the chassis 4, the foldable cable management arm body 1 is adjusted downwards. Therefore, the present application solves the problem of encountering a larger pluggable module on the rear window of the chassis 4. In order to avoid the cable management arm blocking the plugging and unplugging of the larger pluggable module, the design idea is to only slide the position of the foldable cable management arm body 1 so that it is misaligned with the module that needs to be plugged in, thereby achieving convenient adjustment. In addition, the guide rail structure used in this solution occupies a small volume and can effectively solve the problem of maintaining the pluggable modules on the rear window of the chassis 4.

[0045] In this embodiment, it should be noted that, please refer to Figure 2 、 Figure 3As shown, the chassis side rail assembly 2 includes a chassis connecting plate 21. A first L-shaped fixing plate 211 is connected to one vertical edge of the chassis connecting plate 21. The first fixing plate 211 is used to securely mount to the rear window of the chassis 4. A second fixing plate 41 is secured to the rear window of the chassis 4. The second fixing plate 41 is provided with two nut holes 411 spaced apart vertically. The first fixing plate 211 is secured to the second fixing plate 41 via captive screws 5. The captive screws 5 are adapted to and threaded into the nut holes 411.

[0046] Please refer to Figure 3 、 Figure 4 As shown, the chassis 4 is fixedly supported by retractable rails 61 provided on opposite sides of the uprights 6. When the chassis 4 is pulled out, the retractable rails 61 are also retracted and the chassis 4 is pulled out together with the chassis side rail assembly 2.

[0047] In an alternative embodiment, see Figure 1 、 Figure 2 As shown, the chassis connecting plate 21 is arranged vertically, and the first track 22 is a long guide rail hole provided on the chassis connecting plate 21. The first track 22 passes through the opposite sides of the chassis connecting plate 21. There are two first tracks 22, and the two first tracks 22 are arranged at intervals along the length direction of the chassis connecting plate 21.

[0048] In this embodiment, it is also necessary to explain that, please refer to Figure 2 、 Figure 4 As shown, the rack side rail assembly 3 includes a rack connecting plate 31, which is fixed to a fixed rail 62. The fixed rail 62 is fixed to the rack column 6, and the inner side of the fixed rail 62 is used to allow the telescopic rail 61 to move. The rack connecting plate 31 is fixed to the fixed rail 62 using screws 3111 or other detachable connection methods.

[0049] In an optional embodiment, the rack connecting plate 31 is protruded in the middle position of one side of the fixed guide rail 62, that is, the two side edges and the middle protruding position of the rack connecting plate 31 are not on the same horizontal plane, and a screw hole 311 is provided in the middle recessed position of the rack connecting plate 31. When the rack connecting plate 31 is installed on the fixed guide rail 62, the screw 3111 is passed through the fixed guide rail 62 and threadedly connected to the screw hole 311 of the rack connecting plate 31.

[0050] In an optional embodiment, the second rails 32 on the frame connecting plate 31 are two vertical edges of the frame connecting plate 31 .

[0051] In this embodiment, it is also necessary to explain that, please refer to Figure 2 、 Figure 5As shown, one end of the foldable cable management arm body 1 is hinged to the chassis end connector 11, and the chassis end connector 11 is slidably arranged with the first rail 22 through the chassis sliding portion; the other end of the foldable cable management arm body 1 is hinged to the rack end connector 12, and the rack end connector 12 is slidably arranged with the second rail 32 through the rack sliding portion; therefore, when the foldable cable management arm body 1 adjusts the sliding position up and down, the chassis sliding portion and the first rail 22 slide together, and the rack sliding portion and the second rail 32 slide together, thereby realizing stable sliding of the foldable cable management arm body 1.

[0052] In an optional embodiment, the chassis sliding portion includes two hanging pins 111, which are provided and correspond to the two first rails 22. One end of the hanging pin 111 is inserted into the chassis end connector 11 and then slidably connected to the first rail 22. The hanging pin 111 can be slid up and down along the extension direction of the first rail 22. In addition, the use of two hanging pins 111 sliding in the first rail 22 can improve the stability of the foldable cable management arm body 1 when sliding up and down.

[0053] In one example, the inner diameter of the upper end hole of the first rail 22 is larger than the inner diameters of the holes at other positions. The hanging nail 111 penetrates from the upper end of the first rail 22 and slides downward along the extension direction of the first rail 22. The inner diameter of the upper end hole of the first rail 22 is set to be larger than the inner diameters of the holes at other positions, so that the hanging nail 111 can be easily penetrated into the first rail 22 from the upper end, thereby achieving convenient insertion or removal.

[0054] In this embodiment, it should also be noted that the upper and lower adjustment structure used in this application adopts a slide rail form, and its implementation form is not limited to the hanging nail slide groove, slide rail groove or other sliding adjustment forms, and should all be within the protection scope of this application.

[0055] In an alternative embodiment, see Figure 3 、 Figure 5As shown, the chassis end connector 11 is further connected to a resilient stop pin 112. The chassis connecting plate 21 is provided with a plurality of vertically arranged stop pin holes 212, which are located between the two first rails 22. The resilient stop pin 112 is inserted into the stop pin hole 212 to achieve a fixed position. After the foldable cable management arm body 1 slides up and down to the appropriate position, the resilient stop pin 112 is inserted into the stop pin hole 212 to secure the position of the foldable cable management arm body 1. In this embodiment, only the use of the foldable cable management arm body 1 in a 2U chassis is used as an example. When a chassis of other heights needs to be used, the chassis side guide rail assembly 2 and the rack side guide rail assembly 3 of different heights need to be replaced for use, and the number of corresponding stop pin holes 212 also changes, that is, one stop pin hole 212 corresponds to one chassis 4, so that the foldable cable management arm body 1 can slide up and down to avoid larger plug-in modules at different positions.

[0056] In this embodiment, it should be noted that, please refer to Figure 2 、 Figure 5 As shown, the frame sliding portion is a guide rail slot 121 provided on the frame end connector 12. The two vertical edges of the frame end connector 12 are curled inward to form a guide rail slot 121 open at the top and bottom. The vertical edge of the second rail 32 is nested in the guide rail slot 121 and is slidably arranged up and down.

[0057] In this embodiment, it is also necessary to explain that, please refer to Figure 1 、 Figure 5 As shown, the foldable cable management arm body 1 includes a plurality of first folding arms 13 and second folding arms 14 that are folded and hinged to each other. In this embodiment, only one group of first folding arms 13 and second folding arms 14 is taken as an example for illustration. One end of the first folding arm 13 away from the second folding arm 14 is hinged to the chassis end connector 11, and one end of the second folding arm 14 away from the first folding arm 13 is hinged to the rack end connector 12.

[0058] When the foldable cable management arm body 1 is in a folded state, the first folding arm 13 and the second folding arm 14 are parallel and the rack end connector 12 is located between the rack connecting plate 31 and the chassis connecting plate 21; when the foldable cable management arm body 1 is in an unfolded state, the first folding arm 13 and the second folding arm 14 are on the same straight line or at an acute angle or an obtuse angle.

[0059] In an optional embodiment, if the foldable cable management arm body 1 is configured with multiple groups of first foldable arms 13 and second foldable arms 14, the first foldable arms 13 and second foldable arms 14 may become out of sync when adjusting their positions up and down, resulting in misalignment or bending. Therefore, a connecting pin 15 is introduced in this embodiment. The connecting pin 15 is connected and fixed to one end of the first foldable arm 13 and second foldable arm 14 near the chassis end connector 11 and the rack end connector 12. When adjusting the position of the foldable cable management arm body 1 up and down, the connecting pin 15 is passed through the first foldable arm 13 and second foldable arm 14 to achieve synchronous up and down adjustment. After the position is adjusted, the restrictive effect of the connecting pin 15 on the first foldable arm 13 and second foldable arm 14 is released, allowing the first foldable arm 13 and second foldable arm 14 to unfold freely.

[0060] In an optional embodiment, the first folding arm 13 and the second folding arm 14 are respectively provided with a wire tie 16, and the wire tie 16 is used to tie the cables.

[0061] The embodiment of the present application further provides a server cabinet, comprising the above-mentioned cable management arm. To facilitate understanding of the positional relationship between the foldable cable management arm body 1 and the pluggable module in this embodiment, the following examples are provided:

[0062] Reference Figure 6 、 Figure 7 As shown, taking a 2U chassis as an example, the foldable cable management arm body 1 is located below the chassis 4. At this time, the pluggable module located above the chassis 4 is staggered with the foldable cable management arm body 1. At this time, the pluggable module located above will not interfere with the foldable cable management arm body 1 below when plugging in and out, and maintenance operations can be performed on the pluggable module above.

[0063] Reference Figure 2 、 Figure 8 、 Figure 9 As shown, when it is necessary to maintain the pluggable module below the chassis 4, if the foldable cable management arm body 1 is located below, the foldable cable management arm body 1 is manually slid so that the foldable cable management arm body 1 slides upward along the direction of the first track 22 and the second track 32. When the foldable cable management arm body 1 is moved to the top of the chassis 4, the foldable cable management arm body 1 is positioned by inserting the rebound type stop pin 112 into the stop pin hole 212 of the chassis connecting plate 21. At this time, the pluggable module below the chassis 4 is staggered with the foldable cable management arm body 1 above the chassis 4. Then, when the maintenance personnel plug in and out the pluggable module below the chassis 4, the foldable cable management arm body 1 will not interfere, so that the pluggable module below can be maintained.

[0064] The implementation principle of this embodiment: This application is based on the application scenario when a large-sized pluggable module is provided on the rear window of a chassis. At this time, the folded cable management arm installed in the traditional way will block the plugging and unplugging of the pluggable module on the rear window, and its scope of application will be limited. Therefore, this application adopts a foldable cable management arm body 1 that can slide up and down to adjust the position to be dislocated with the pluggable module. When the positions of the two are dislocated, the pluggable module will not interfere with the foldable cable management arm body 1 when plugging and unplugging. In addition, the present application adopts a guide rail structure, which can allow the foldable cable management arm body 1 to slide back and forth up and down and can be positioned each time it slides to the position, without having to remove the foldable cable management arm body 1 each time to reinstall it to make it dislocated with the pluggable module. Therefore, the structural design used in this application occupies a small volume and is easy to adjust. It is suitable for application scenarios when a large-sized pluggable module is provided on the rear window of the chassis and needs maintenance.

[0065] In this embodiment, from the perspective of the rear window of the chassis 4, when it is necessary to maintain the pluggable module below the chassis 4, the foldable cable management arm body 1 is manually slid upward to displace the foldable cable management arm body 1 with the pluggable module. When the foldable cable management arm body 1 is slid to the position displaced with the pluggable module, the resilient stop pin 112 is inserted into the stop pin hole 212 of the chassis connecting plate 21 to achieve positioning. At this time, the maintenance personnel can pull out the pluggable module below the chassis 4 for maintenance. When the chassis 4 is pulled out, the first foldable arm 13 and the second foldable arm 14 are unfolded at the same time. When the chassis 4 is returned to the rack after maintenance, the first foldable arm 13 and the second foldable arm 14 are retracted to a folded state.

[0066] When it is necessary to maintain the pluggable module above the chassis 4, the foldable cable management arm body 1 is manually slid downward to dislocate the foldable cable management arm body 1 and the pluggable module. When the foldable cable management arm body 1 slides to be dislocated with the pluggable module, the reboundable stop pin 112 is inserted into the stop pin hole 212 of the chassis connecting plate 21 to achieve positioning. At this time, the maintenance personnel can pull out the pluggable module above the chassis 4 for maintenance.

[0067] The technical features of the above embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0068] The above-described embodiments merely represent several implementation methods of the present application. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that a person of ordinary skill in the art may make various modifications and improvements without departing from the spirit of the present application, and these modifications and improvements fall within the scope of protection of the present application. Therefore, the scope of protection of the present patent application shall be determined by the appended claims.

Claims

1. A cable management arm, characterized in that: include: A foldable cable management arm body (1) is used to bind cables for connecting signals; A chassis side guide rail assembly (2) is provided at the rear window of the chassis (4) and is synchronously inserted and removed following the chassis (4); the chassis side guide rail assembly (2) is provided with a first track (22) in a vertical direction; the chassis (4) is fixedly supported by retractable guide rails (61) provided on opposite sides of the uprights (6) of the rack; A rack side guide rail assembly (3) is arranged on a column (6) of the rack; the rack side guide rail assembly (3) is provided with a second track (32) along the vertical direction; the rack side guide rail assembly (3) includes a rack connecting plate (31), the rack connecting plate (31) is fixed on a fixed guide rail, the fixed guide rail is fixed on the column (6) of the rack, and the inner side of the fixed guide rail is used for the telescopic guide rail (61) to move; The folding direction of the foldable cable management arm body (1) is set to be consistent with the direction of insertion and extraction of the chassis (4), and the two ends of the foldable cable management arm body (1) are respectively connected to the first track (22) and the second track (32) in a sliding manner up and down, and the up and down sliding position of the foldable cable management arm body (1) is misaligned with the pluggable module on the rear window of the chassis (4).

2. The cable management arm according to claim 1, wherein: One end of the foldable cable management arm body (1) is hinged to a chassis end connector (11), and a chassis sliding portion is provided on the chassis end connector (11), and the chassis sliding portion is used to slide with the first track (22); the other end of the foldable cable management arm body (1) is hinged to a rack end connector (12), and a rack sliding portion is provided on the rack end connector (12), and the rack sliding portion is used to slide with the second track (32).

3. The cable management arm according to claim 2, wherein: The chassis side guide rail assembly (2) comprises a chassis connecting plate (21), wherein the chassis connecting plate (21) is fixedly mounted on the rear window of the chassis (4); the first track (22) is a guide rail long hole provided on the chassis connecting plate (21), and the chassis sliding portion is a hanging nail (111) sliding in the guide rail long hole.

4. The cable management arm according to claim 3, wherein: The first track (22) passes through two opposite sides of the chassis connecting plate (21), and the hanging nail (111) is slidably connected to the first track (22) after being passed through the chassis end connecting piece (11).

5. The cable management arm according to claim 4, wherein: The inner diameter of the hole at the upper end of the first track (22) is larger than the inner diameters of holes at other positions, and the hanging nail (111) penetrates from the upper end of the first track (22) and slides downward along the extension direction of the first track (22).

6. The cable management arm according to claim 4, wherein: The chassis end connector (11) is also connected to a resilient stop pin (112), and the chassis connection plate (21) is provided with a plurality of stop pin holes (212) arranged in a vertical direction, and the resilient stop pin (112) is inserted into the stop pin hole (212) to achieve stopping.

7. The cable management arm according to claim 2, wherein: The second rails (32) are two vertical edges of the frame connecting plate (31), and the frame sliding portion is a guide rail slot (121) adapted to the second rails (32).

8. The cable management arm according to claim 1, wherein: The foldable cable management arm body (1) comprises a plurality of first folding arms (13) and second folding arms (14) folded together, wherein the first folding arms (13) and the second folding arms (14) are folded and fixed via a connecting pin (15) to achieve synchronous upward and downward adjustment of the sliding position.

9. The cable management arm according to claim 8, wherein: The first folding arm (13) and the second folding arm (14) are respectively provided with a wire binding buckle (16), and the wire binding buckle (16) is used to bind cables.

10. A server cabinet comprising the cable management arm according to any one of claims 1 to 9.

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