CN220509354U

CN220509354U - Side direction slidingtype GPU side presses card support and server frame

Info

Publication number: CN220509354U
Application number: CN202321742597.8U
Authority: CN
Inventors: 闵辰; 李鑫; 郭建君
Original assignee: Silicon Based Continental Chengdu Technology Co ltd
Current assignee: Silicon Based Continental Chengdu Technology Co ltd
Priority date: 2023-07-04
Filing date: 2023-07-04
Publication date: 2024-02-20
Anticipated expiration: 2033-07-04

Abstract

The application relates to the technical field of computer equipment, especially, relate to a side direction slidingtype GPU side presses card support and server frame, it is including being used for the support body with the roof butt of GPU, on the support body and along the length direction slip of support body be provided with the installation department, be provided with on the installation department and be used for the butt portion with GPU lateral wall butt, be provided with the first fixed part that is used for fixed mounting portion on the support body. The application has the effect of improving the application range of the GPU bracket.

Description

Side direction slidingtype GPU side presses card support and server frame

Technical Field

The application relates to the technical field of computer equipment, in particular to a lateral sliding type GPU side card pressing support and a server rack.

Background

Along with the increasing volume of data processed by a data center, in order to meet the increasing data operation processing requirement, the arrangement of GPU electronic parts is higher and higher, and the height size of a GPU display card used by a single server is also larger and higher. The limitation of the maximum height 98.40mm of the GPU in the traditional PCIE4.0 specification is more and more difficult to meet the requirements of GPU computing power and PCB Layout, and the actual incoming material height size of the GPU display card is often larger than 98.40 mm; increasing from the first 98.40mm height to 117.25mm and no unified size standard is currently available for each GPU manufacturer.

At present, when GPUs are in an application scenario requiring horizontal arrangement, conventionally, different GPU side brackets are designed respectively to support GPUs with different heights, but this results in that if multiple types of GPUs are to be supported by the same server, many different types of GPU brackets need to be designed, and these GPU brackets cannot be designed in a normalized manner, so that the application range is low, and finally, the cost of a single structural member of the server is greatly increased.

Disclosure of Invention

In order to improve the application scope of the GPU bracket, the application provides a lateral sliding type GPU side clamping bracket and a server rack.

In a first aspect, the application provides a side direction slidingtype GPU side presses card support, adopts following technical scheme:

the utility model provides a side direction slidingtype GPU side presses card support, is including being used for the support body with the roof butt of GPU, on the support body and along the length direction slip of support body be provided with the installation department, be provided with on the installation department be used for with GPU lateral wall butt's butt portion, be provided with the first fixed part that is used for fixed mounting portion on the support body.

Further, the installation department includes the slider, the both sides of slider are all fixed to be provided with the flange, the support body includes the clamp plate, the both sides of clamp plate all are provided with the blend stop with flange looks adaptation.

Further, the first fixing part comprises a first bolt, a first threaded hole is formed in the pressing plate, and the first bolt is matched with the first threaded hole; the top wall of the sliding block is provided with a first waist-shaped groove along the sliding direction of the sliding block, and the first bolt penetrates through the first waist-shaped groove and is in threaded connection with the pressing plate.

Further, the abutting part comprises an abutting plate, the abutting plate is vertically arranged at one end of the sliding block, a plurality of sliding grooves are formed in the pressing plate in the length direction of the pressing plate, and the abutting plate penetrates through the sliding grooves and is used for abutting against the side wall of the GPU; the connecting plate is fixedly provided with a connecting block, the other end of the connecting block is fixedly provided with an abutting block, the abutting block is used for abutting against the side wall of the chute, and the other end of the abutting block is fixedly connected with the sliding block.

Further, the abutting part comprises an abutting frame, the abutting frame is arranged at one end of the bottom wall of the sliding block in a sliding manner along the vertical direction, a plurality of sliding grooves are formed in the pressing plate in the length direction of the pressing plate, and the abutting frame penetrates through the sliding grooves and is used for abutting against the side wall of the GPU; the abutting frame is used for abutting with two adjacent side walls of the GPU, and a driving assembly for driving the abutting frame to slide in a direction away from the sliding block is arranged on the sliding block.

Further, the butt frame includes first installation piece and second installation piece, first installation piece and second installation piece fixed connection, just the length direction of first installation piece and second installation piece is perpendicular, just all fixed being provided with the rubber pad on first installation piece and the second installation piece, the rubber pad is used for the lateral wall butt with GPU.

Further, the driving assembly comprises a telescopic rod and an elastic piece, one end of the telescopic rod is fixedly arranged on the bottom wall of the sliding block, and the other end of the telescopic rod is fixedly arranged on the top wall of the first mounting block; the elastic piece is used for driving the first mounting block to slide in a direction away from the sliding block.

Through the above embodiment, when installing the GPU in the server, firstly, the staff firstly places the GPUs in the server, installs the support body to be abutted against the GPUs, then makes the abutted portion on the installation portion be abutted against one end side wall of the GPU through the installation portion on the sliding support body, and finally, the installation portion is fixed on the support body through the first fixing portion, and the arrangement of the installation portion and the support body can be used for fixing GPUs of different types so as to improve the application range of the GPU support.

In a second aspect, the present application provides a server rack, which adopts the following technical scheme:

a server rack comprising a housing and a laterally sliding GPU side press card bracket as in any of the first aspects: the shell is provided with a placing groove for placing the GPU and a containing groove for placing the CPU; the two side walls of the placing groove are fixedly provided with fixing blocks, the support body comprises a pressing plate, the pressing plate is arranged between the two fixing blocks in a sliding mode along the vertical direction, and the fixing blocks are provided with second fixing portions used for fixing the pressing plate.

Further, the second fixing part comprises a second bolt, limiting blocks are fixedly arranged at two ends of the pressing plate, second threaded holes are formed in the limiting blocks, and the second bolt is matched with the second threaded holes; the second waist-shaped groove is formed in the fixing block in the vertical direction, and the second bolt penetrates through the second waist-shaped groove and is in threaded connection with the limiting block.

Further, limiting plates are fixedly arranged on two sides of the limiting block, mounting rods are fixedly arranged on two sides of the second kidney-shaped groove, the limiting block is slidably arranged between the two mounting rods, and the limiting plates are slidably connected with the mounting rods.

Through the embodiment, when the GPU is installed in the server rack, firstly, a plurality of GPUs are placed in the placing groove in the shell by a worker, then according to the heights of the GPUs, the pressing plate is enabled to be in butt joint with the GPUs by the worker by sliding the pressing plate, after the height of the pressing plate is adjusted, the pressing plate is fixed on the shell through the second fixing part, and the application range of the support body is further increased according to the height of the pressing plate which can be adjusted according to the height of the GPU.

In summary, the present application has the following beneficial technical effects: when the GPUs are installed in the server, firstly, a plurality of GPUs are placed in the server by a worker, when the GPUs are installed in a server rack, firstly, the plurality of GPUs are placed in a placing groove in a shell by the worker, then, according to the heights of the plurality of GPUs, the pressure plate is abutted against the plurality of GPUs by the worker by sliding the pressure plate, and after the heights of the pressure plate are adjusted, the pressure plate is fixed on the shell through a second fixing part; then through the installation department on the sliding support body, make the butt portion on the installation department and the one end lateral wall butt of GPU, reuse first fixed part to fix the installation department on the support body at last, and the setting of accessible installation department and support body can be used to fix the GPU of different grade type to promote the application scope of GPU support.

Drawings

FIG. 1 is a schematic view of a part of a side-to-side sliding GPU side card pressing bracket, mainly used for showing a sliding block and a bracket body;

fig. 2 is a schematic view of a part of a lateral sliding type GPU side clamping bracket, mainly used for illustrating the structure of an abutting bracket;

FIG. 3 is a schematic view of a portion of a server rack of the present application, primarily for illustrating the structure on a platen;

fig. 4 is a schematic view of a part of a server rack, mainly used for illustrating the structure of a fixed block.

Reference numerals illustrate: 1. a bracket body; 11. a pressing plate; 12. a barrier strip; 13. a first threaded hole; 14. a chute; 15. a limiting block; 16. a second threaded hole; 17. a limiting plate; 2. a slide block; 21. an abutting plate; 211. a connecting block; 212. an abutment block; 22. a first bolt; 23. a flange; 24. a first kidney-shaped groove; 3. the abutting frame; 31. a first mounting block; 32. a second mounting block; 33. ear pieces; 34. a telescopic rod; 35. a pressure spring; 36. a rubber pad; 4. a housing; 41. a placement groove; 42. a receiving groove; 43. a fixed block; 431. a second bolt; 432. a second kidney-shaped groove; 433. and (5) mounting a rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to fig. 1 to 4 and the embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

Example 1

The embodiment of the application discloses a lateral sliding type GPU side clamping bracket.

Referring to fig. 1, 2 and 3, a lateral sliding type GPU side clamping bracket comprises a bracket body 1 for abutting against the top wall of the GPU, wherein the bracket body 1 comprises a pressing plate 11, an installation part is arranged on the pressing plate 11 and slides along the length direction of the pressing plate 11, the installation part comprises a plurality of sliding blocks 2, the sliding blocks 2 are arranged on the top wall of the pressing plate 11 in a sliding manner, flanges 23 are fixedly arranged on two sides of the sliding blocks 2, an arc surface is arranged between the sliding blocks 2 and the flanges 23, and when a worker slides the sliding blocks 2 through the arrangement of the arc surface, the damage to the worker is avoided to a certain extent; both sides of the pressing plate 11 are provided with stop bars 12 which are matched with the stop edges 23, the stop edges 23 are arranged on the stop bars 12 in a sliding mode along the sliding direction of the sliding block 2, and the stop edges 23 and one end, close to the GPU, of the stop bars 12 are arranged in a round angle mode, so that damage to the outer wall of the GPU is avoided to a certain extent.

Referring to fig. 1, 2 and 3, the pressing plate 11 is provided with a first fixing portion for fixing the slider 2, the first fixing portion including a first bolt 22, the first bolt 22 being provided as a cross bolt in the embodiment of the present application, and the first bolt 22 being provided as a quincuncial bolt in other embodiments of the present application; the pressing plate 11 is provided with a first threaded hole 13, and a first bolt 22 is matched with the first threaded hole 13; the top wall of the sliding block 2 is provided with a first kidney-shaped groove 24 along the sliding direction of the sliding block 2, the first kidney-shaped groove 24 is matched with the first bolt 22, the positions of the first kidney-shaped groove 24 and the first bolt 22 correspond to each other, and the first bolt 22 is arranged in the first kidney-shaped groove 24 in a penetrating manner and is in threaded connection with the pressing plate 11; in general, the first bolt 22 is inserted into the first kidney-shaped groove 24 and is in threaded connection with the pressing plate 11, and the bolt head of the first bolt 22 is not in contact with the sliding block 2, when the sliding block 2 slides on the pressing plate 11 to a corresponding position, a worker rotates the first bolt 22 and makes the bolt head of the first bolt 22 in contact with the top wall of the sliding block 2, so that the effect of fixing the sliding block 2 is achieved.

Referring to fig. 1, 2 and 3, an abutment portion for abutting against a side wall of the GPU is provided on the mounting portion, and as an embodiment of the abutment portion, the abutment portion includes an abutment plate 21, an ear piece 33 is fixedly provided at one end of the slider 2, and the ear piece 33 is located between the two flanges 23, and the abutment plate 21 is vertically provided on the ear piece 33; the pressing plate 11 is provided with a plurality of sliding grooves 14 along the length direction of the pressing plate 11, the sliding grooves 14 are matched with the abutting plates 21, and the abutting plates 21 penetrate through the sliding grooves 14 and are used for abutting against one side wall of the GPU; the connecting block 211 is fixedly arranged on the abutting plate 21, the connecting block 211 is horizontally arranged on the abutting plate 21, the abutting block 212 is fixedly arranged at the other end of the connecting block 211 and is vertically arranged on the lug block 33, the abutting block 212 is located between the lug block 33 and the connecting block 211, the connecting block 211 is located between the abutting block 212 and the abutting plate 21, and in the implementation of the application, the height of the abutting block 212 is the same as the thickness of the pressing plate 11, and the abutting block 212 is used for abutting against the side wall of the sliding groove 14.

In the above embodiment, the sliding range of the abutment plate 21 and the sliding range of the slider 2 are offset by the arrangement of the abutment block 212 and the connection plate, so that the sliding range of the slider 2 is further increased, and the mounting position of the GPU is convenient for the operator to adjust.

The implementation principle of the lateral sliding type GPU side clamping support is as follows: when installing GPU in the server, at first the staff place a plurality of GPUs in the server first to install support body 1 to with a plurality of GPU butt, afterwards through the slider 2 on the sliding support body 1, make the butt board 21 on the slider 2 and the one end lateral wall butt of GPU, when slider 2 slides to corresponding position on clamp plate 11, the staff is through rotatory first bolt 22, and make the bolt head of first bolt 22 and the roof butt groove of slider 2, fix slider 2 on support body 1, and the setting of butt board 21 and support body 1 on the accessible slider 2 can be used to fix the GPU of different grade type, in order to promote the application scope of GPU support.

Example 2

On the basis of example 1

Referring to fig. 1, 2 and 3, as another embodiment of the abutting portion, the abutting portion includes an abutting frame 3, an ear piece 33 is fixedly provided at one end of the slider 2, the ear piece 33 is located between two flanges 23, an abutting plate 21 is vertically provided on the ear piece 33, the abutting frame 3 is slidably provided on a bottom wall of the ear piece 33 along a vertical direction, a plurality of sliding grooves 14 are provided on the pressing plate 11 and in a length direction of the pressing plate 11, the sliding grooves 14 are adapted to the abutting frame 3, the abutting frame 3 is penetrated in the sliding grooves 14, and the abutting frame 3 is used for abutting with two adjacent side walls of the GPU.

Referring to fig. 1, 2 and 3, the abutment frame 3 includes a first mounting block 31 and a second mounting block 32, the first mounting block 31 is fixedly connected with the second mounting block 32, and a connection part between the first mounting block 31 and the second mounting block 32 is provided with a round corner; the length directions of the first mounting block 31 and the second mounting block 32 are vertical, wherein the first mounting block 31 is horizontally arranged, the second mounting block 32 is vertically arranged, and the first mounting block 31 is positioned between the second mounting block 32 and the ear block 33; and the rubber pads 36 are fixedly arranged on the sides, close to each other, of the first mounting block 31 and the second mounting block 32, the rubber pads 36 are used for being abutted against the side walls of the GPU, when the sliding block 2 slides to the position of the GPU, the first mounting block 31 and the second mounting block 32 on the sliding block 2 slide to the position of the GPU along the sliding direction of the sliding block 2, and the rubber pads 36 on the first mounting block 31 and the second mounting block 32 are abutted against the two adjacent side walls of the GPU.

Referring to fig. 1, 2 and 3, a driving assembly for driving the abutting frame 3 to slide in a direction away from the sliding block 2 is arranged on the sliding block 2, the driving assembly comprises a plurality of telescopic rods 34 and elastic pieces, each telescopic rod 34 is vertically arranged on the bottom wall of the corresponding ear block 33, and the other end of each telescopic rod 34 is fixedly arranged on the top wall of the corresponding first mounting block 31, namely, the telescopic rod 34 is positioned between the corresponding ear block 33 and the corresponding first mounting block 31; the elastic component is used for driving the first installation piece 31 to slide towards the direction of keeping away from slider 2, and the elastic component includes pressure spring 35, and pressure spring 35 is provided with a plurality ofly, and the one end of every pressure spring 35 all with ear piece 33 fixed connection, the other end of every pressure spring 35 all with first installation piece 31 fixed connection, and pressure spring 35 is with telescopic link 34 cladding including.

In the above embodiment, by setting the telescopic rod 34, the distance between the first and second mounting blocks 31 and 32 and the ear block 33 can be adjusted, and the first and second mounting blocks 31 and 32 are made to slide in the vertical direction, and by setting the compression spring 35, the first and second mounting blocks 31 and 32 each have a tendency to slide in a direction away from the slider 2.

The implementation principle of the embodiment of the application is as follows: when installing the GPUs in the server, firstly, a worker firstly places a plurality of GPUs in the server, installs the bracket body 1 in the server, and sets the GPUs in a region which can be covered by the bracket body 1, then slides the first installation block 31 and the second installation block 32 on the sliding block 2 towards the direction close to the GPUs by sliding the sliding block 2 on the bracket body 1, and respectively abuts against the rubber pads 36 on the first installation block 31 and the second installation block 32 with the adjacent two side walls of the GPU by setting the telescopic rods 34 and the pressure springs 35; when the slide block 2 slides to the corresponding position on the pressing plate 11, a worker can fix the slide block 2 on the support body 1 by rotating the first bolt 22 and enabling the bolt head of the first bolt 22 to abut against the top wall of the slide block 2, and the arrangement of the abutting plate 21 on the slide block 2 and the support body 1 can be used for simultaneously fixing GPUs of different types so as to improve the application range of the GPU support.

Example 3

The embodiment of the application also discloses a server rack.

On the basis of example 1

Referring to fig. 1, 3 and 4, a server rack includes a housing 4 and a side-to-side sliding GPU side press card bracket as in any of embodiments 1 and 2: the shell 4 is provided with a placing groove 41 for placing the GPU and a containing groove 42 for placing the CPU, and the placing groove 41 is adjacently arranged with the containing groove 42; the fixed blocks 43 are fixedly arranged on two opposite side walls of the placing groove 41, in the embodiment of the application, the fixed blocks 43 are arranged in a cuboid shape and are vertically arranged on the side walls of the placing groove 41, the support body 1 comprises a pressing plate 11, and the pressing plate 11 is slidably arranged between the two fixed blocks 43 along the vertical direction.

Referring to fig. 1, 3 and 4, the fixing block 43 is provided with a second fixing portion for fixing the pressing plate 11, the second fixing portion including a second bolt 431, and in the embodiment of the present application, the second bolt 431 is provided as a cross bolt, and in other embodiments of the present application, the second bolt 431 may be provided as a quincuncial bolt; limiting blocks 15 are fixedly arranged at two ends of the pressing plate 11, the two limiting blocks 15 are oppositely arranged, a second threaded hole 16 is formed in the limiting block 15, and a second bolt 431 is matched with the second threaded hole 16; a second waist-shaped groove 432 is formed in each fixing block 43 along the vertical direction, the second waist-shaped groove 432 is communicated with the side wall of the shell 4, and a second bolt 431 is arranged in the second waist-shaped groove 432 in a penetrating manner and is in threaded connection with the limiting block 15; in general, the second bolt 431 is inserted into the second kidney-shaped groove 432 and is in threaded connection with the limiting block 15, and the bolt head of the second bolt 431 is not abutted against the side wall of the casing 4, so that when the pressing plate 11 slides to a corresponding position, a worker can fix the pressing plate 11 by rotating the second bolt 431 and making the bolt head of the second bolt 431 abut against the side wall of the casing 4.

Referring to fig. 1, fig. 3 and fig. 4, limiting plates 17 are fixedly arranged on two sides of limiting block 15, round corners between limiting block 15 and limiting plates 17 are arranged, damage to the side wall of fixed block 43 is avoided to a certain extent, mounting rods 433 are fixedly arranged on two sides of second waist-shaped groove 432, limiting block 15 is slidably arranged between two mounting rods 433, limiting plates 17 are in one-to-one correspondence with mounting rods 433, limiting plates 17 are slidably connected with mounting rods 433, and through the arrangement of limiting plates 17 and mounting rods 433, guiding function is achieved to a certain extent, so that pressing plate 11 can vertically slide all the time relative to the bottom wall of shell 4 without swaying around.

The implementation principle of the server rack in the embodiment of the application is as follows: when installing the GPU in the server rack, firstly, a worker firstly places a plurality of GPUs in the placing groove 41 in the shell 4, then according to the heights of the GPUs, the worker slides the pressing plate 11 to enable the pressing plate 11 to be abutted against the GPUs, after the height of the pressing plate 11 is adjusted, the pressing plate 11 is fixed on the shell 4 through the second bolt 431, the height of the pressing plate 11 can be adjusted according to the height of the GPU, then through the sliding block 2 on the sliding support body 1, the abutting plate 21 on the sliding block 2 is abutted against one end side wall of the GPU, when the sliding block 2 slides to the corresponding position on the pressing plate 11, the worker can fix the sliding block 2 on the support body 1 through rotating the first bolt 22 and enabling the bolt head of the first bolt 22 to abut against the top wall of the sliding block 2, and the setting of the supporting plate 21 and the support body 1 can be used for fixing different types of GPUs so as to improve the application range of the GPU support.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a side direction slidingtype GPU side presses card support which characterized in that: including support body (1) that are used for with the roof butt of GPU, on support body (1) and along the length direction slip of support body (1) be provided with the installation department, be provided with on the installation department be used for with GPU lateral wall butt's butt portion, be provided with the first fixed part that is used for fixed mounting portion on support body (1).

2. The side-to-side sliding GPU side press-clamping bracket of claim 1, wherein: the installation department includes slider (2), the both sides of slider (2) are all fixed to be provided with flange (23), support body (1) are including clamp plate (11), the both sides of clamp plate (11) all are provided with blend stop (12) with flange (23) looks adaptation.

3. A side-to-side sliding GPU side press-clamping bracket as defined in claim 2, wherein: the first fixing part comprises a first bolt (22), a first threaded hole (13) is formed in the pressing plate (11), and the first bolt (22) is matched with the first threaded hole (13); the top wall of the sliding block (2) is provided with a first kidney-shaped groove (24) along the sliding direction of the sliding block (2), and the first bolt (22) is arranged in the first kidney-shaped groove (24) in a penetrating mode and is in threaded connection with the pressing plate (11).

4. A side-to-side sliding GPU side press-clamping bracket as defined in claim 3, wherein: the abutting part comprises an abutting plate (21), the abutting plate (21) is vertically arranged at one end of the sliding block (2), a plurality of sliding grooves (14) are formed in the pressing plate (11) in the length direction of the pressing plate (11), and the abutting plate (21) penetrates through the sliding grooves (14) and is used for abutting against the side wall of the GPU; the connecting block (211) is fixedly arranged on the abutting plate (21), the abutting block (212) is fixedly arranged at the other end of the connecting block (211), the abutting block (212) is used for abutting against the side wall of the sliding groove (14), and the other end of the abutting block (212) is fixedly connected with the sliding block (2).

5. A side-to-side sliding GPU side press-clamping bracket as defined in claim 3, wherein: the abutting part comprises an abutting frame (3), the abutting frame (3) is arranged at one end of the bottom wall of the sliding block (2) in a sliding manner along the vertical direction, a plurality of sliding grooves (14) are formed in the pressing plate (11) and the length direction of the pressing plate (11), and the abutting frame (3) penetrates through the sliding grooves (14) and is used for abutting against the side wall of the GPU; the abutting frame (3) is used for abutting against two adjacent side walls of the GPU, and the sliding block (2) is provided with a driving assembly for driving the abutting frame (3) to slide in a direction away from the sliding block (2).

6. The side-sliding GPU side press-clamping bracket of claim 5, wherein: the butt frame (3) comprises a first installation block (31) and a second installation block (32), the first installation block (31) is fixedly connected with the second installation block (32), the length directions of the first installation block (31) and the second installation block (32) are vertical, rubber pads (36) are fixedly arranged on the first installation block (31) and the second installation block (32), and the rubber pads (36) are used for being in butt joint with the side walls of the GPU.

7. The side-sliding GPU side press-clamping bracket of claim 6, wherein: the driving assembly comprises a telescopic rod (34) and an elastic piece, one end of the telescopic rod (34) is fixedly arranged on the bottom wall of the sliding block (2), and the other end of the telescopic rod (34) is fixedly arranged on the top wall of the first mounting block (31); the elastic piece is used for driving the first mounting block (31) to slide in a direction away from the sliding block (2).

8. A server rack comprising a housing (4) and a laterally sliding GPU side press-card holder as claimed in any one of claims 1-7: a placing groove (41) for placing the GPU and a containing groove (42) for placing the CPU are formed in the shell (4); the two side walls of the placing groove (41) are fixedly provided with fixing blocks (43), the support body (1) comprises a pressing plate (11), the pressing plate (11) is arranged between the two fixing blocks (43) in a sliding mode along the vertical direction, and the fixing blocks (43) are provided with second fixing portions used for fixing the pressing plate (11).

9. A server rack as recited in claim 8, wherein: the second fixing part comprises a second bolt (431), limiting blocks (15) are fixedly arranged at two ends of the pressing plate (11), second threaded holes (16) are formed in the limiting blocks (15), and the second bolt (431) is matched with the second threaded holes (16); and a second waist-shaped groove (432) is formed in the fixed block (43) along the vertical direction, and a second bolt (431) is arranged in the second waist-shaped groove (432) in a penetrating mode and is in threaded connection with the limiting block (15).

10. A server rack as recited in claim 9, wherein: limiting plates (17) are fixedly arranged on two sides of each limiting block (15), mounting rods (433) are fixedly arranged on two sides of each second kidney-shaped groove (432), each limiting block (15) is slidably arranged between two mounting rods (433), and the limiting plates (17) are slidably connected with the corresponding mounting rods (433).