Hard drive bays and servers

Abstract

This utility model relates to the field of server technology and discloses a hard drive bracket and server, which not only supports both air-cooled and liquid-cooled hard drive module designs but also helps reduce costs. The hard drive bracket includes a bracket body and an adapter bracket. The bracket body includes two first mounting plates arranged along a first direction, with the adapter bracket located between the two first mounting plates. The adapter bracket includes two opposing second mounting plates arranged along the first direction and respectively connected to the two first mounting plates. A locking structure and a limiting structure are provided between the first and second mounting plates. The locking structure is used to fix the first and second mounting plates together, and the limiting structure is used to limit the movement of the first and second mounting plates. The adapter bracket is used to mount a hard drive, or, alternatively, to mount a hard drive and a cold plate, wherein when the adapter bracket mounts both a hard drive and a cold plate, the cold plate and the hard drive are arranged along a second direction.

Description

Technical Field

[0001] This utility model relates to the field of server technology, and in particular to a hard drive tray and server. Background Technology

[0002] Currently, server cooling solutions generally employ two modes: air cooling and liquid cooling. Among them, liquid cooling technology is increasingly being used in server cooling solutions because it can better support the heat dissipation of high-power chips. Currently, the most widely used liquid cooling solution for servers is cold plate cooling. However, due to the fact that existing chassis and hard drive backplane designs are based on air cooling, applying cold plate cooling to the chassis and hard drives requires redesigning the hard drive trays and chassis, resulting in high overall system cost. Utility Model Content

[0003] This invention provides a hard drive bracket that is compatible with both air-cooled and liquid-cooled hard drive module designs, eliminating the need for redesigning the chassis and thus reducing costs.

[0004] In a first aspect, the present invention provides a hard disk tray, including a tray body and an adapter bracket, wherein the tray body includes two first mounting plates arranged along a first direction, and the adapter bracket is located between the two first mounting plates;

[0005] The adapter bracket includes two second mounting plates arranged opposite to each other, the two second mounting plates being arranged along the first direction, and the two second mounting plates being respectively connected to the two first mounting plates.

[0006] The first mounting plate and the second mounting plate are provided with a locking structure and a limiting structure. The locking structure is used to fix the first mounting plate and the second mounting plate, and the limiting structure is used to limit the first mounting plate and the second mounting plate.

[0007] The adapter bracket is used to install a hard drive, or the adapter bracket is used to install a hard drive and a cold plate, wherein when the adapter bracket installs the hard drive and the cold plate, the cold plate and the hard drive are arranged along a second direction, the second direction being perpendicular to the first direction.

[0008] This utility model provides a hard drive bracket with an adapter bracket. The adapter bracket is assembled with the main body of the bracket via a snap-fit ​​structure and a limiting structure to achieve fixation between the adapter bracket and the snap-fit ​​structure. The adapter bracket can be used to install a hard drive, or it can be used to install both a hard drive and a cooling plate simultaneously. When a hard drive is installed in the adapter bracket, an air-cooled design for the hard drive module inside the chassis can be achieved. When a hard drive and a cooling plate are installed in the adapter bracket, a liquid-cooled design for the hard drive module inside the chassis can be achieved. Therefore, the hard drive bracket in this utility model, by setting up an adapter bracket, can realize the conversion between air-cooling and liquid-cooling of the hard drive module inside the chassis without changing the main structure of the bracket, reducing the work of chassis modification and helping to save costs.

[0009] In some possible implementations, the engaging structure includes a slot disposed on the first mounting plate and a hook disposed on the second mounting plate, the hook engaging within the slot.

[0010] In this implementation scheme, the adapter bracket and the main body of the bracket are fixed by using a snap-fit ​​mechanism with hooks and slots. The structure is simple and easy to assemble and disassemble.

[0011] In some possible implementations, each of the second mounting plates is provided with a plurality of hooks, and the plurality of hooks are spaced apart along a third direction, wherein the third direction is perpendicular to the first direction and perpendicular to the second direction;

[0012] Each of the first mounting plates is provided with multiple slots, and each slot corresponds to a specific hook.

[0013] In this implementation scheme, each second mounting plate can be fixedly connected to the first mounting plate through multiple hooks, which helps to improve the fixing effect between the second mounting plate and the first mounting plate, thereby ensuring the fixing effect between the adapter bracket and the bracket body.

[0014] In some possible implementations, the engaging structure includes a fixing hole disposed on the first mounting plate and a protrusion disposed on the second mounting plate. The fixing hole is disposed at the end of the first mounting plate, the protrusion passes through the fixing hole, and the protrusion engages with the fixing hole.

[0015] In this embodiment, the protrusion passes through the fixing hole and engages with the fixing hole, which facilitates the fixing of the end of the adapter bracket to the bracket body and also facilitates the disassembly of the adapter bracket from the bracket body.

[0016] In some possible implementations, the limiting structure includes a limiting hole disposed on the first mounting plate and an elastic arm disposed on the second mounting plate. When the first mounting plate is fixed to the second mounting plate by the engaging structure, the elastic wall passes through the limiting hole and abuts against one side of the inner wall of the limiting hole.

[0017] In this implementation scheme, an elastic wall and a limiting hole are provided. After passing through the limiting hole, the elastic wall abuts against the inner wall of one side of the limiting hole. When the adapter bracket is assembled with the bracket body, the relative position between the adapter bracket and the bracket body can be limited, thereby ensuring that the adapter bracket and the bracket body are installed in place.

[0018] In some possible implementations, the bracket body further includes a first connecting plate, the two ends of which are respectively connected to the two first mounting plates;

[0019] The adapter bracket further includes a second connecting plate, the two ends of which are respectively connected to the two second mounting plates;

[0020] The second connecting plate is fixedly connected to the first connecting plate by screws.

[0021] In this implementation scheme, screws are used to connect the second connecting plate of the adapter bracket and the first connecting plate of the bracket body. Combined with the aforementioned locking structure and limiting structure, the stability of the connection between the adapter bracket and the bracket body can be further improved.

[0022] In some possible implementations, the adapter bracket further includes a third mounting plate, which is disposed perpendicular to the second direction, and the opposite sides of the third mounting plate are respectively connected to the two second mounting plates;

[0023] The cold plate is fixedly connected to the third mounting plate, and the hard disk is located on the side of the cold plate opposite to the third mounting plate.

[0024] In this implementation scheme, a third mounting plate is provided, which is connected between the two second mounting plates. When the cold plate is installed on the adapter bracket, the connection stability between the cold plate and the adapter bracket can be ensured by fixing the cold plate to the third mounting plate.

[0025] In some possible implementations, the cold plate is connected to the third mounting plate by screws.

[0026] In this implementation scheme, screws are used to connect the cold plate to the third mounting plate, which not only ensures a stable connection between the cold plate and the third mounting plate, but also facilitates assembly and disassembly.

[0027] In some possible implementations, the first mounting plate is provided with a first mounting hole, the second mounting plate is provided with a second mounting hole corresponding to the first mounting hole, and the hard disk is connected to the first mounting plate by screws passing through the first mounting hole and the second mounting hole.

[0028] In this implementation scheme, the hard drive is connected to the adapter bracket by screws passing through the first mounting plate and the second mounting plate, which not only ensures the connection stability between the hard drive and the adapter bracket, but also further improves the connection stability between the adapter bracket and the bracket body.

[0029] Secondly, the present invention provides a server, including a chassis and a hard disk tray as described in any possible embodiment of the first aspect, wherein the hard disk tray is disposed within the chassis.

[0030] The server in this invention is equipped with the hard drive trays described in the above embodiments. By using the hard drive trays to install hard drives or to install hard drives and cold plates, not only can the switching between air cooling and liquid cooling of the hard drive modules be realized, but it also helps to reduce costs. Attached Figure Description

[0031] Figure 1 This is an exploded structural diagram of a hard drive and a cold plate mounted on a hard drive tray in an embodiment of this utility model;

[0032] Figure 2 This is a schematic diagram of an overall structure in which a hard drive and a cold plate are mounted on a hard drive tray in an embodiment of this utility model;

[0033] Figure 3 This is a schematic diagram of an overall structure in which a hard drive is mounted on a hard drive tray according to an embodiment of the present utility model;

[0034] Figure 4 This is an exploded view of a hard drive mounted on a hard drive tray in an embodiment of this utility model.

[0035] Figure 5 This is a partial structural diagram of the server in an embodiment of the present utility model.

[0036] In the picture:

[0037] 100-Bracket body; 110-First mounting plate; 111-Slot; 112-Fixing hole; 113-Limiting hole; 114-Guide groove; 115-First mounting hole; 120-First connecting plate; 121-Window; 200-Adapter bracket; 210-Second mounting plate; 211-Hook; 212-Protrusion; 213-Elastic wall; 214-Second mounting hole; 220-Second connecting plate; 221-Second threaded hole; 230-Third mounting plate; 231-Third threaded hole; 300-Hard disk; 310-Fifth threaded hole; 400-Cold plate; 410-Fourth threaded hole; 500-Chassis; 600-Chassis cold plate; 700-Heat exchange piping; 800-Thermal pad. Detailed Implementation

[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0039] The hard drive bracket in this embodiment of the present invention can be used to install and fix a hard drive. The hard drive bracket with the hard drive installed can be placed inside the computer case. Furthermore, the hard drive bracket can cooperate with the computer case to fix it inside the computer case so that the hard drive can be kept fixed inside the computer case.

[0040] refer to Figure 1 and Figure 2 In this embodiment, the hard disk tray may include a tray body 100 and an adapter bracket 200. The tray body 100 may include two first mounting plates 110 arranged opposite each other, the two first mounting plates 110 being arranged along a first direction, and the adapter bracket 200 being located between the two first mounting plates 110.

[0041] The adapter bracket 200 may include two second mounting plates 210 arranged opposite each other along a first direction, and each second mounting plate 210 may be connected to a corresponding first mounting plate 110. A locking structure and a limiting structure are provided between the first mounting plate 110 and the second mounting plate 210. When the first connecting plate 120 is connected to the second connecting plate 220, the limiting structure can be used to limit the first mounting plate 110 and the second mounting plate 210, and the locking structure can be used to fix the first mounting plate 110 and the second mounting plate 210, so that the first mounting plate 110 and the second mounting plate 210 can be installed in place.

[0042] The adapter bracket 200 can be used to install the hard drive 300. In this case, the hard drive tray in this embodiment can be applied to an air-cooled chassis. Alternatively, the adapter bracket 200 can also be used to install the hard drive 300 and the cold plate 400. In this case, the hard drive tray in this embodiment can be applied to a liquid-cooled chassis. When the adapter bracket 200 installs the hard drive 300 and the cold plate 400, the cold plate 400 and the hard drive 300 can be arranged along a second direction, which is perpendicular to the first direction.

[0043] It is understandable that when the hard drive 300 and the cold plate 400 are installed on the adapter bracket 200, the large surface of the hard drive 300 and the large surface of the cold plate 400 are set parallel to each other in order to increase the heat exchange area between the hard drive 300 and the cold plate 400, thereby improving the heat dissipation effect of the hard drive 300.

[0044] In this embodiment, the hard drive tray utilizes an adapter bracket 200 to mount either the hard drive 300 or the hard drive 300 and cooling plate 400. The adapter bracket 200 is then mounted on the tray body 100, and finally, the hard drive tray is installed inside the chassis. This design allows for compatibility between air cooling and liquid cooling for the hard drive 300 within the chassis. Compared to redesigning the chassis, this embodiment only uses the adapter bracket 200, which is fixed to the tray body 100. By mounting the hard drive 300 and cooling plate 400 onto the adapter bracket 200, the hard drive module within the chassis can be switched between air cooling and liquid cooling, saving costs and improving the versatility of the hard drive tray.

[0045] In some embodiments, reference Figure 1 One end of the bracket body 100 has an opening, through which the adapter bracket 200 can extend between the two first mounting plates 110 and move along the extending direction of the first mounting plates 110, thereby moving the adapter bracket 200 into the bracket body 100. Here, the extending direction of the first mounting plates 110 can also be regarded as a third direction, which is perpendicular to the first direction and perpendicular to the second direction.

[0046] Based on this, the engaging structure may include a slot 111 disposed on the first mounting plate 110 and a hook 211 disposed on the second mounting plate 210. The slot 111 may extend through the first mounting plate 110 along a first direction, and the hook 211 may protrude from the surface of the second mounting plate 210 facing the first mounting plate 110. When the adapter bracket 200 moves into position relative to the bracket body 100, the hook 211 on the adapter bracket 200 may extend into the corresponding slot 111, and the slot 111 and the hook 211 are engaged.

[0047] Specifically, the dimensions of the slot 111 along the second direction can be the same as the dimensions of the hook 211 along the second direction. This ensures that when the hook 211 is engaged in the slot 111, the adapter bracket 200 will not move vertically relative to the bracket body 100. Furthermore, when the hook 211 is in the slot 111, both ends of the hook 211 along the third direction can abut against the inner walls of the slot 111 along the third direction, thus ensuring that the adapter bracket 200 will not move back and forth relative to the bracket body 100.

[0048] Furthermore, along the first direction, the end face of the hook 211 away from the second mounting plate 210 can also be an arc surface, which bends towards the second mounting plate 210, so that the hook 211 as a whole can be regarded as a semi-circle or a part of a circle cut out. It is worth noting that the hook 211 is a structure symmetrically arranged about the first axis as the axis of symmetry, which can be regarded as an axis parallel to the first direction. When the hook 211 is engaged in the slot 111, a part of the hook 211 can pass through the slot 111 and protrude from the side of the first mounting plate 110 away from the second mounting plate 210, and the inner walls of the slot 111 on both sides along the third direction respectively abut against the hook 211.

[0049] When it is necessary to remove the adapter bracket 200 from the bracket body 100, the adapter bracket 200 can be moved relative to the bracket body 100 in a third direction. Since the hook 211 is an arc-shaped structure, when the adapter bracket 200 is pulled outward, the arc surface of the hook 211 can play a guiding role, so that the hook 211 can quickly disengage from the slot 111.

[0050] As an optional implementation, each first mounting plate 110 may have multiple slots 111, and correspondingly, each second mounting plate 210 may have multiple hooks 211, with each hook corresponding to a slot 111. The hooks 211 are spaced apart along a third direction, thereby enhancing the engagement between the second mounting plate 210 and the first mounting plate 110, resulting in better fixation between them.

[0051] In some embodiments, continue to refer to Figure 1 The engaging structure may further include a fixing hole 112 provided on the first mounting plate 110 and a protrusion 212 provided on the second mounting plate 210. The fixing hole 112 may be provided at the end of the bracket body 100 that has an opening, and the fixing hole 112 is provided through the first mounting plate 110 along a first direction. When the adapter bracket 200 is pushed into place relative to the bracket body 100, the protrusion 212 on the second mounting plate 210 may be directly opposite the fixing hole 112, at which time the protrusion 212 may pass through the fixing hole 112.

[0052] The dimensions of the protrusion 212 along the third direction can be the same as those of the fixing hole 112 along the third direction. This allows the two ends of the protrusion 212 along the third direction to abut against the inner wall of the fixing hole 112, thereby ensuring that the protrusion 212 remains relatively fixed to the fixing hole 112. Thus, the structure of the protrusion 212 engaging with the fixing hole 112, combined with the structure of the hook 211 engaging with the slot 111, improves the fixing effect between the adapter bracket 200 and the bracket body 100.

[0053] In some embodiments, continue to refer to Figure 1 The limiting structure in this embodiment may include a limiting hole 113 disposed on the first mounting plate 110 and an elastic wall 213 disposed on the second mounting plate 210. The elastic wall 213 is inclined to the second mounting plate 210. Specifically, the first end of the elastic wall 213 is connected to the second mounting plate 210, and the second end of the elastic wall 213 has a certain distance between it and the second mounting plate 210 in the first direction. At this time, the second end of the elastic wall 213 can also be regarded as the free end of the elastic wall 213.

[0054] When the adapter bracket 200 is assembled with the bracket body 100, as the adapter bracket 200 moves relative to the bracket body 100 along a third direction, the free end of the elastic wall 213 can pass through the limiting hole 113 when the elastic wall 213 passes through the limiting hole 113. As the adapter bracket 200 continues to move, the elastic wall 213 can also move relative to the limiting hole 113 until the elastic wall 213 abuts against the inner wall of the limiting hole 113 along a third direction. When the elastic wall 213 abuts against the limiting hole 113, it indicates that the adapter bracket 200 has moved into position relative to the bracket body 100, thus ensuring that the adapter bracket 200 and the bracket body 100 are fixed together by a locking structure in this state.

[0055] Furthermore, such as Figure 1 As shown, the bracket body 100 may further include a first connecting plate 120, which is located between two first mounting plates 110, and both ends of the first connecting plate 120 are respectively connected to the two first mounting plates 110. The first connecting plate 120 can be regarded as the front panel of the bracket body 100. The first connecting plate 120 is provided with a window 121 so that when the hard disk 300 is installed in the hard disk bracket, the hard disk 300 can be connected to other devices through the window 121 provided on the first connecting plate 120.

[0056] The adapter bracket 200 may further include a second connecting plate 220, which is located between two second mounting plates 210, with both ends of the second connecting plate 220 connected to the two second mounting plates 210 respectively. When the adapter bracket 200 is assembled with the bracket body 100, the second connecting plate 220 can be tightly attached to the first connecting plate 120. Furthermore, the side of the first connecting plate 120 facing the second connecting plate 220 may also be provided with a first threaded hole (not shown in the figure). Correspondingly, the second connecting plate 220 is provided with a second threaded hole 221 aligned with the first threaded hole, so that screws can pass through the second threaded hole 221 and be fixed in the first threaded hole, thereby completing the fixation between the first connecting plate 120 and the second connecting plate 220.

[0057] Of course, in this embodiment, the second connecting plate 220 is also provided with an opening opposite to the window 121 on the first connecting plate 120, so that when the hard disk 300 is installed on the adapter bracket 200, the hard disk 300 can be connected to other devices through the opening of the second connecting plate 220 and the window 121 of the first connecting plate 120.

[0058] In some embodiments, refer again Figure 1 The first mounting plate 110 has a guide groove 114 on the side facing the second mounting plate 210. The guide groove 114 extends along a third direction, and both ends of the guide groove 114 along the third direction are open. When the adapter bracket 200 is assembled with the bracket body 100, the second mounting plate 210 can be inserted into the guide groove 114. At this time, the second mounting plate 210 can move relative to the bracket body 100 along a third direction under the guidance of the guide groove 114 to ensure the stability of the movement direction of the second mounting plate 210, so that the bracket body 100 and the adapter bracket 200 can be installed in place.

[0059] like Figure 1 As shown, the adapter bracket 200 in this embodiment also includes a third mounting plate 230, which is arranged perpendicular to the second direction. Its opposite sides are respectively connected to two second mounting plates 210, and in the second direction, the third mounting plate 230 is located above the second mounting plates 210. When the cold plate 400 is mounted on the adapter bracket 200, the cold plate 400 can be tightly attached to the side of the third mounting plate 230 facing the second mounting plate 210, and the cold plate 400 and the third mounting plate 230 are fixedly connected.

[0060] For example, such as Figure 1As shown, the third mounting plate 230 may have multiple third threaded holes 231, and correspondingly, the cold plate 400 has fourth threaded holes 410 that correspond one-to-one with the multiple third threaded holes 231. When the cold plate 400 is fixed to the third mounting plate 230, screws can be passed through the third threaded holes 231 and then fixed in the fourth threaded holes 410, thereby achieving a fixed connection between the cold plate 400 and the third mounting plate 230. Therefore, the screw connection method not only facilitates the assembly of the cold plate 400 and the adapter bracket 200, but also facilitates later maintenance, allowing the cold plate 400 and the adapter bracket 200 to be quickly separated.

[0061] After assembling the cold plate 400 and the adapter bracket 200, the hard disk 300 can be placed on the side of the cold plate 400 away from the third mounting plate 230. At this time, the hard disk 300 can be fixed to the adapter bracket 200 by connecting with the second mounting plate 210.

[0062] As an optional implementation, the first mounting plate 110 has a first mounting hole 115, and the second mounting plate 210 has a second mounting hole 214 corresponding to the first mounting hole 115. Simultaneously, the hard disk 300 also has a fifth threaded hole 310, which is aligned with the first mounting hole 115 and the second mounting hole 214. During assembly, fastening screws can be passed through the first mounting hole 115 and the second mounting hole 214 and then fixed into the fifth threaded hole 310 of the hard disk 300. This not only enables the assembly and fixation of the hard disk 300 and the adapter bracket 200, but also further enhances the fixing effect between the adapter bracket 200 and the bracket body 100.

[0063] It is worth mentioning that the structure of the adapter bracket 200 in this embodiment is applicable to liquid-cooled hard drive module designs. When applied to air-cooled hard drive module designs, the adapter bracket 200 is also applicable. In this case, it is only necessary to assemble the hard drive 300 with the first mounting plate 110 and the second mounting plate 210, leaving the third mounting plate 230 idle, which can also realize an air-cooled hard drive module.

[0064] Alternatively, in some embodiments, since the adapter bracket 200 and the tray body 100 are detachably connected, when the hard drive tray in this embodiment is applied to an air-cooled configuration, refer to... Figure 3 and Figure 4 The adapter bracket 200 includes two second mounting plates 210, and the hard drive 300 is fixed to the second mounting plates 210 and the first mounting plate 110 by fastening screws. Compared to Figure 1 In this embodiment, the adapter bracket 200 omits the structure of the third mounting plate 230, which makes the overall structure of the hard drive tray simpler and reduces the number of parts, thereby helping to reduce costs.

[0065] Based on the same design concept, combined Figure 2 and Figure 5 This embodiment of the invention may also provide a server, which may include a chassis 500 and the hard drive tray described in the foregoing embodiments, with the hard drive tray disposed within the chassis 500. Since the structure of the tray body 100 remains unchanged when installing hard drives, only the adapter bracket 200 needs to be installed onto the tray body 100, and then the hard drive 300 installed onto the adapter bracket 200, or the hard drive 300 and the cooling plate 400 can be installed onto the adapter bracket 200, thus enabling either an air-cooled or liquid-cooled hard drive module design, which improves the versatility of the hard drive tray. Furthermore, regardless of whether the hard drive 300 adopts an air-cooled or liquid-cooled design, since the size of the tray body is the same, the hard drive density will not decrease when switching between air-cooling and liquid-cooling on the same chassis 500.

[0066] like Figure 5 As shown, when the server is designed using hard drive modules, a chassis cold plate 600 can also be installed inside the chassis 500. This chassis cold plate 600 is connected to a heat exchange pipe 700, allowing heat exchange to occur through the heat exchange pipe 700, thereby reducing the temperature of the chassis cold plate 600. A thermal pad 800 can also be installed on the side of the chassis cold plate 600 facing the hard drive tray. The cold plate 400, mounted on the hard drive tray, can pass through the hard drive backplate and contact the thermal pad 800, enabling heat exchange between the cold plate 400 and the chassis cold plate 600. During normal operation of the hard drive 300, the heat from the hard drive 300 is transferred to the cold plate 400, causing its temperature to rise. The cold plate 400 then transfers this heat to the chassis cold plate 600, thereby reducing the temperature of the cold plate 400. In this way, during the continuous heat exchange between the cold plate 400 and the chassis cold plate 600, the cold plate 400 can continuously cool the hard drive 300, thereby ensuring that the hard drive 300 can work continuously and stably.

[0067] Obviously, those skilled in the art can make various modifications and variations to the embodiments of this utility model without departing from the spirit and scope of this utility model. Therefore, if these modifications and variations of this utility model fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A hard drive tray, characterized in that, It includes a bracket body and an adapter bracket. The bracket body includes two first mounting plates arranged along a first direction, and the adapter bracket is located between the two first mounting plates. The adapter bracket includes two second mounting plates arranged opposite to each other, the two second mounting plates being arranged along the first direction, and the two second mounting plates being respectively connected to the two first mounting plates. The first mounting plate and the second mounting plate are provided with a locking structure and a limiting structure. The locking structure is used to fix the first mounting plate and the second mounting plate, and the limiting structure is used to limit the first mounting plate and the second mounting plate. The adapter bracket is used to install a hard drive, or the adapter bracket is used to install a hard drive and a cold plate, wherein when the adapter bracket installs the hard drive and the cold plate, the cold plate and the hard drive are arranged along a second direction, the second direction being perpendicular to the first direction.

2. The hard drive tray according to claim 1, characterized in that, The engaging structure includes a slot disposed on the first mounting plate and a hook disposed on the second mounting plate, wherein the hook engages with the slot.

3. The hard drive tray according to claim 2, characterized in that, Each of the second mounting plates is provided with multiple hooks, and the multiple hooks are spaced apart along a third direction, wherein the third direction is perpendicular to the first direction and perpendicular to the second direction; Each of the first mounting plates is provided with multiple slots, and each slot corresponds to a specific hook.

4. The hard disk tray according to any one of claims 1 to 3, characterized in that, The engaging structure includes a fixing hole in the first mounting plate and a protrusion in the second mounting plate. The fixing hole is located at the end of the first mounting plate, and the protrusion passes through the fixing hole and engages with the fixing hole.

5. The hard drive tray according to claim 1, characterized in that, The limiting structure includes a limiting hole disposed on the first mounting plate and an elastic wall disposed on the second mounting plate. When the first mounting plate is fixed to the second mounting plate by the engaging structure, the elastic wall passes through the limiting hole and abuts against the inner wall of one side of the limiting hole.

6. The hard drive tray according to claim 1, characterized in that, The bracket body also includes a first connecting plate, the two ends of which are respectively connected to the two first mounting plates; The adapter bracket further includes a second connecting plate, the two ends of which are respectively connected to the two second mounting plates; The second connecting plate is fixedly connected to the first connecting plate by screws.

7. The hard drive tray according to claim 1, characterized in that, The adapter bracket also includes a third mounting plate, which is arranged perpendicular to the second direction, and the opposite sides of the third mounting plate are respectively connected to the two second mounting plates; The cold plate is fixedly connected to the third mounting plate, and the hard disk is located on the side of the cold plate opposite to the third mounting plate.

8. The hard disk tray according to claim 7, characterized in that, The cold plate is connected to the third mounting plate by screws.

9. The hard drive tray according to claim 1, characterized in that, The first mounting plate has a first mounting hole, and the second mounting plate has a second mounting hole corresponding to the first mounting hole. The hard disk is connected to the first mounting plate by screws passing through the first mounting hole and the second mounting hole.

10. A server, characterized in that, It includes a chassis and a hard drive tray as described in any one of claims 1 to 9, wherein the hard drive tray is disposed within the chassis.

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