Fixing frame assembly, fan module and server

Abstract

The utility model discloses a fixing frame assembly, a fan module and a server, and belongs to the technical field of computers. A fixed bent plate extending towards one side of the fan fixing bracket is arranged on the shell fixing bracket; the fan fixing support is arranged opposite to the machine shell fixing support, and a positioning platform which extends towards one side of the machine shell fixing support and is fixedly connected with the top face of the bent plate through a first sunk screw is arranged on the fan fixing support. The first wiring space is located above the fixed bending plate and the positioning platform, and the first wiring space provides a space for cable penetration. The fixed bending plate and the positioning platform are locked and fixed after being overlapped to complete a connection state, and meanwhile, the fixed bending plate and the positioning platform are respectively arranged at the bottom edges of the casing fixing bracket and the fan fixing bracket, so that not only is a space provided for cable penetration, but also the positioning platform can provide additional support for the cable.

Description

Technical Field

[0001] The utility model belongs to the technical field of computers, in particular to a fixing frame component, a fan module and a server. Background Art

[0002] A server is a specialized IT device that provides computing power and runs software applications within a network environment. It provides computing or application services to other clients (such as personal computers, smartphones, BTMs, and other terminal devices) within the network. Compared to ordinary computers, servers feature high-speed CPU computing power, long-term reliable operation, strong I / O data throughput, and high scalability. Servers typically need to operate 24 / 7 to ensure service availability and continuity.

[0003] Server cooling fans are key components installed inside servers for dissipating heat. Servers generate significant heat during operation. The cooling fans, through their rotating blades, create airflow, dissipating this heat and keeping the server temperature within a safe range. Servers generate noise during operation, and one of the functions of the fans is to dissipate this noise by dissipating heat.

[0004] Currently, the built-in fan modules in common 19-inch servers mostly use six 60 fans. Figure 1 As shown, 6 60 fans are made into a module, and the guide brackets supporting the fans are used with the help of the power handle (attached Figure 1 (As shown in A) in the figure, the guide bracket is installed in the chassis to facilitate the overall disassembly and installation of the fan. However, there is a problem with this: the power handle takes up some space for wiring. When there are many cables, there is not enough space on both sides of the fan module to pass them through. Utility Model Content

[0005] In order to solve the problem that the power handle occupies the space for cable routing while achieving the connection between the fan module and the chassis shell, the utility model provides a fixing frame assembly, a fan module and a server.

[0006] The utility model is realized by the following technical solutions:

[0007] A fixing bracket assembly includes a casing fixing bracket and a fan fixing bracket;

[0008] A fixed bent plate is provided on the bottom edge of the housing fixing bracket, extending toward one side of the fan fixing bracket and supporting the fan fixing bracket;

[0009] The fan fixing bracket is arranged opposite to the casing fixing bracket, and a positioning platform is provided on the bottom edge of the fan fixing bracket, extending toward one side of the casing fixing bracket and locked with the top surface of the fixed bent plate by a countersunk screw.

[0010] The space between the casing fixing bracket and the fan fixing bracket and above the fixed bending plate and the positioning platform forms a wiring space 1, and the wiring space 1 provides a wiring space for the cable to be passed through.

[0011] The fixed bending plate and the positioning platform are locked and fixed after being overlapped to complete the connection state. At the same time, since the fixed bending plate and the positioning platform are respectively arranged at the bottom edges of the chassis fixing bracket and the fan fixing bracket, not only space is provided for the cable routing, but the positioning platform can also provide additional support for the cables, and different cables can be routed up and down to form a distinction when necessary.

[0012] Further improvements of the present invention include that the fixed bending plate is provided with two rivet nuts and two positioning holes; the positioning platform is provided with three countersunk screw fixing holes and two positioning columns;

[0013] The countersunk screw first is inserted into the countersunk screw fixing hole three, and the countersunk screw first is threadedly connected to the rivet nut second to lock the positioning platform on the fixed bending plate;

[0014] The second positioning column is arranged on the bottom surface of the positioning platform and forms a guiding fit with the second positioning hole.

[0015] After the positioning column 2 forms a socket fit with the positioning hole 2, the countersunk screw 1 is used to pass through the countersunk screw fixing hole 3 and is threadedly connected to the rivet nut 2 to lock the positioning platform and the fixed bent plate.

[0016] A further improvement of the present invention is that the fixed bent plate is disposed in the horizontal middle section of the housing fixing bracket, and a third upwardly raised protrusion, sized to match the fixed bent plate, is provided in the middle of the positioning platform. This protrusion forms an installation guide when the fixed bent plate and protrusion abut against each other. Compared to the upwardly raised protrusion of the positioning platform, a recessed space for accommodating the fixed bent plate is formed between the bottom of the protrusion and the positioning platform, thereby facilitating assembly guidance between the fixed bent plate and the recessed space and improving assembly efficiency between the fixed bent plate and the positioning platform.

[0017] A fan module includes a fan module housing, with the aforementioned fixing bracket assembly mounted at both ends of the fan module housing in the longitudinal direction. At least two first self-clinching nuts are provided on the end surface of the fan module housing. The fan fixing bracket is provided with a first countersunk screw fixing hole, which receives a second countersunk screw. The second countersunk screw is threadably connected to the first self-clinching nut to lock the fan fixing bracket to the fan module housing. The two ends of the fan module housing are connected to adjacent components via the fixing bracket assembly.

[0018] A further improvement of the present invention is that a convex bump is provided on the fan fixing bracket around the countersunk screw fixing hole. The convex bump is raised toward the side facing away from the fan module housing and covers the rivet nut when the fan fixing bracket is installed on the fan module housing. This helps to increase the contact area between the fan fixing bracket and the fan module housing after the fan fixing bracket is installed on the fan module housing, thereby reducing space occupation.

[0019] A further improvement of the present invention is that one side of the self-clinching nut (1) is provided with a positioning post (1) having an axial length greater than that of the self-clinching nut (1) and mounted on the fan module housing; the fan fixing bracket is provided with a positioning hole (1) for receiving and inserting the positioning post (1); and the fan fixing bracket is provided with a convex bump (2) on the outer periphery of the positioning hole (1) that is raised toward the side away from the fan module housing, the convex bump (2) forming an installation guide for the positioning post (1) passing through the positioning hole (1). Because the axial length of the positioning post (1) is greater than that of the self-clinching nut (1), when the fan fixing bracket is installed on the fan module housing, the cooperation between the positioning hole (1) and the positioning post (1) first provides an assembly guide for the installation of the fan fixing bracket on the fan module housing.

[0020] A further improvement of the present invention is that two horizontally extending positioning bent plates are provided on one side of the rivet nut (1). These positioning bent plates engage the positioning platforms on either side of the protrusion (1) when the fan fixing bracket is installed on the fan module housing. While the positioning post (1) engages with the positioning hole (1), the positioning bent plates support the positioning platforms, further facilitating assembly of the fan fixing bracket on the fan module housing.

[0021] A server includes a chassis housing, the fixing bracket assembly being mounted on the inner sidewall of the chassis housing, the inner sidewall of the chassis housing being provided with at least two positioning screw holes, the chassis fixing bracket being provided with a second countersunk screw fixing hole corresponding to the positioning screw holes, the second countersunk screw fixing hole receiving a third countersunk screw, which is threadedly engaged with the positioning screw hole to lock the chassis fixing bracket to the chassis housing. The chassis housing is connected to adjacent components via the fixing bracket assembly.

[0022] A further improvement of the present invention is that a second groove is provided on the chassis fixing bracket around the second countersunk screw fixing hole. The second groove is provided on a side of the chassis fixing bracket facing the fan fixing bracket and covers the head portion of the third countersunk screw when the chassis fixing bracket is mounted on the chassis housing. This helps to accommodate the head portion of the third countersunk screw in the second groove after the chassis fixing bracket is mounted on the chassis housing, thereby reducing the space occupied by the first wiring space.

[0023] A further improvement of the present invention is that one side of the second countersunk screw fixing hole is provided with at least two gourd-shaped holes opened on the case fixing bracket and distributed in a horizontal direction. The gourd-shaped holes receive I-shaped nails installed on the inner side wall of the chassis shell. The case fixing bracket is provided with a groove 1 on the outer periphery of the gourd-shaped hole. The groove 1 is provided on the side of the case fixing bracket facing the fan fixing bracket and covers the free end of the I-shaped nail when the case fixing bracket is installed on the chassis shell. When the case fixing bracket is installed on the chassis shell using the third countersunk screw, the gourd-shaped holes and the I-shaped nails can be used to pre-attach the case fixing bracket to the chassis shell, which helps to more conveniently install the case fixing bracket on the chassis shell.

[0024] It can be seen from the above technical solution that the beneficial effects of the present invention are: the fixed bending plate and the positioning platform are locked and fixed after being overlapped to complete the connection state. At the same time, since the fixed bending plate and the positioning platform are respectively arranged at the bottom edges of the casing fixing bracket and the fan fixing bracket, not only space is provided for the cable threading, but the positioning platform can also provide additional support for the cables, and different cables can be threaded up and down to form a distinction when necessary. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solution of the present invention, the following is a brief introduction to the drawings required for the description. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0026] Figure 1 The figure is a schematic diagram of the installation of a fixing frame assembly in the prior art.

[0027] Figure 2 This is a schematic structural diagram of a casing fixing bracket according to a specific embodiment of the present utility model.

[0028] Figure 3 This is a schematic diagram of the fan fixing bracket structure according to a specific embodiment of the present utility model.

[0029] Figure 4 This is a schematic diagram of the fan module housing structure according to a specific embodiment of the present invention.

[0030] Figure 5 This is a schematic diagram of the assembled installation of a fan fixing bracket on a fan module housing according to a specific embodiment of the present utility model.

[0031] Figure 6 This is a schematic diagram of the chassis shell structure of a specific embodiment of the present utility model.

[0032] Figure 7 This is a structural diagram of a specific embodiment of the present invention, and a schematic diagram of the assembly of the fan module on the chassis shell.

[0033] Figure 8 for Figure 7 A partial cross-sectional view of .

[0034] In the attached drawings: 1. Casing fixing bracket; 1-1. Gourd hole; 1-2. Countersunk screw fixing hole 2; 1-3. Positioning hole 2; 1-4. Fixed bending plate; 1-5. Compression rivet nut 2; 2. Fan fixing bracket; 2-1. Bump 1; 2-2. Countersunk screw fixing hole 1; 2-3. Bump 2; 2-4. Positioning hole 1; 2-7. Positioning column 2; 2-8. Bump 3; 2-9. Countersunk screw fixing hole 3; 2-10. Positioning platform; 5. Countersunk screw 1; 6. Fan module housing; 6-1. Compression rivet nut 1; 6-3. Positioning column 1; 6-5. Positioning bending plate; 6-7. Countersunk screw 2; 7. Chassis housing; 8. Countersunk screw 3; B. Wiring space 1; C. Wiring space 2. DETAILED DESCRIPTION

[0035] In order to make the purpose, features, and advantages of the present invention more obvious and easy to understand, the technical solutions of the present invention will be clearly and completely described below in conjunction with the drawings in the specific embodiments. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this patent.

[0036] like Figure 2 、 3 As shown in FIG8 , a fixing bracket assembly includes a chassis fixing bracket 1, a fan fixing bracket 2 and a wiring space B;

[0037] like Figure 2 As shown, a fixed bent plate 1-4 is provided on the bottom edge of the casing fixing bracket 1, which extends toward one side of the fan fixing bracket 2 and supports the fan fixing bracket 2; a second rivet nut 1-5 and a second positioning hole 1-3 are provided on the fixed bent plate 1-4;

[0038] like Figure 2-3As shown, the fan fixing bracket 2 is arranged opposite to the casing fixing bracket 1, and the bottom edge of the fan fixing bracket 2 is provided with a positioning platform 2-10 extending toward one side of the casing fixing bracket 1 and locked with the top surface of the fixed bending plate 1-4 through a countersunk screw 1-5; the positioning platform 2-10 is provided with a countersunk screw fixing hole 3 2-9 and a positioning column 2-7; the countersunk screw fixing hole 3 2-9 is socketed with the countersunk screw 1-5, and is threadedly connected with the rivet nut 2 1-5 through the countersunk screw 1-5 to lock the positioning platform 2-10 on the fixed bending plate 1-4; the positioning column 2-7 is arranged on the bottom surface of the positioning platform 2-10 and forms a guiding fit with the positioning hole 2 1-3. After the positioning column 2-7 forms a socket fit with the positioning hole 2-3, the countersunk screw 1-5 is used to pass through the countersunk screw fixing hole 3 2-9 and is threadedly connected to the rivet nut 2-5 to lock the positioning platform 2-10 with the fixed bending plate 1-4.

[0039] like Figure 2-3 As shown, the fixed bent plate 1-4 is disposed in the horizontal middle section of the housing fixing bracket 1, and the middle portion of the positioning platform 2-10 is provided with an upwardly raised convex bump 2-8 of a size that matches the fixed bent plate 1-4. The convex bump 2-8 forms an installation guide when the fixed bent plate 1-4 and the convex bump 2-8 abut against each other. Compared to the upwardly raised convex bump 2-8 of the positioning platform 2-10, a recessed space for accommodating the fixed bent plate 1-4 is formed between the bottom of the convex bump 2-8 and the positioning platform 2-10, thereby facilitating the assembly guide between the fixed bent plate 1-4 and the recessed space, and helping to improve the assembly efficiency between the fixed bent plate 1-4 and the positioning platform 2-10.

[0040] like Figure 8 As shown, the wiring space 1B is located between the housing fixing bracket 1 and the fan fixing bracket 2 and above the fixed bending plate 1-4 and the positioning platform 2-10. The wiring space 1B provides space for cable routing. The fixed bending plate 1-4 and the positioning platform 2-10 are locked and fixed after being superimposed to complete the connection state. At the same time, since the fixed bending plate 1-4 and the positioning platform 2-10 are respectively arranged at the bottom edges of the housing fixing bracket 1 and the fan fixing bracket 2, not only space is provided for cable routing, but the positioning platform 2-10 can also provide additional support for the cables and, when necessary, different cables can be routed up and down to form a distinction.

[0041] like Figure 2As shown, the countersunk screw fixing holes 2 1-2 are provided on both sides of the fixed bending plate 1-4, and at least two gourd holes 1-1 are provided above the fixed bending plate 1-4; since the countersunk screw fixing holes 2 1-2 are arranged closer to the fixed bending plate 1-4 than the gourd hole 1-1, it helps to improve the structural support strength of the casing fixing bracket 1 after installation.

[0042] like Figure 3 As shown, the positioning hole 1 2-4 is arranged above the convex bump 3 2-8, and the countersunk screw fixing holes 1 2-2 are respectively provided on both sides of the positioning hole 1 2-4. The positioning hole 1 2-4 and the positioning bending plate 6-5 form at least three-point cooperation, which provides room for improvement in the installation of the fan fixing bracket 2 on the fan module housing 6 and the structural support strength during later use.

[0043] like Figure 4 、 5 As shown in FIG8 , a fan module includes a fan module housing 6 , with the aforementioned fixing bracket assembly mounted at both ends of the fan module housing 6 in the longitudinal direction. At least two self-clinching nuts 6-1 are provided on the end surfaces of the fan module housing 6 . The fan fixing bracket 2 is provided with a countersunk screw fixing hole 2-2 , which receives a countersunk screw 6-7 . The countersunk screw 6-7 is threadedly connected to the self-clinching nut 6-1 to lock the fan fixing bracket 2 to the fan module housing 6 . The fan module housing 6 is connected to adjacent components at both ends via the fixing bracket assembly. A convex bump 2-1 is provided on the fan fixing bracket 2 outside the countersunk screw fixing hole 2-2 . The convex bump 2-1 protrudes toward the side facing away from the fan module housing 6 and covers the self-clinching nut 6-1 when the fan fixing bracket 2 is installed on the fan module housing 6 . This helps to create more contact area between the fan fixing bracket 2 and the fan module housing 6 after the fan fixing bracket 2 is installed on the fan module housing 6, thereby reducing space occupation.

[0044] like Figure 4-5As shown, one side of the rivet nut 6-1 is provided with a positioning post 6-3 having an axial length greater than that of the rivet nut 6-1 and mounted on the fan module housing 6; the fan fixing bracket 2 is provided with a positioning hole 2-4 that receives and inserts the positioning post 6-3; and the fan fixing bracket 2 is provided with a raised bump 2-3 on the outer periphery of the positioning hole 2-4, which is raised toward the side facing away from the fan module housing 6. The bump 2-3 provides an installation guide for the positioning post 6-3 passing through the positioning hole 2-4. Because the axial length of the positioning post 6-3 is greater than that of the rivet nut 6-1, when the fan fixing bracket 2 is installed on the fan module housing 6, the positioning hole 2-4 first cooperates with the positioning post 6-3 to provide an assembly guide for the installation of the fan fixing bracket 2 on the fan module housing 6. Two horizontally extending positioning bent plates 6-5 are provided on one side of the rivet nut 1 (6-1). These positioning bent plates 6-5 engage the positioning platforms 2-10 on either side of the convex bump 1 (2-1) when the fan fixing bracket 2 is installed on the fan module housing 6. While the positioning post 1 (6-3) engages with the positioning hole 1 (2-4), the positioning bent plates 6-5 support the positioning platforms 2-10, further facilitating assembly of the fan fixing bracket 2 on the fan module housing 6.

[0045] like Figure 6-8 As shown, a server includes a chassis shell 7, the inner side wall of which is mounted the fixing bracket assembly. The inner side wall of the chassis shell 7 is provided with at least two positioning screw holes. The chassis fixing bracket 1 is provided with a countersunk screw fixing hole 2 1-2 corresponding to the positioning screw holes. The countersunk screw fixing hole 2 1-2 is inserted into a countersunk screw 3 8, and the countersunk screw 3 8 is threadedly connected to the positioning screw hole to lock the chassis fixing bracket 1 to the chassis shell 7. The chassis shell 7 is connected to adjacent components through the fixing bracket assembly. A groove 2 is provided on the chassis fixing bracket 1 around the countersunk screw fixing hole 2 1-2. The groove 2 is provided on the side of the chassis fixing bracket 1 facing the fan fixing bracket 2 and covers the nail head portion of the countersunk screw 3 8 when the chassis fixing bracket 1 is installed on the chassis shell 7. This helps to accommodate the nail cap portion of the countersunk screw 3 8 in the second groove after the casing fixing bracket 1 is installed on the chassis shell 7, thereby reducing the occupation of the wiring space 1 B.

[0046] like Figure 6-7As shown, one side of the countersunk screw fixing hole 2 1-2 is provided with at least two gourd holes 1-1 opened on the case fixing bracket 1 and distributed horizontally. The gourd holes 1-1 receive I-shaped nails installed on the inner wall of the chassis shell 7. A groove 1 is provided on the case fixing bracket 1 outside the gourd holes 1-1. The groove 1 is provided on the side of the case fixing bracket 1 facing the fan fixing bracket 2 and covers the free end of the I-shaped nail when the case fixing bracket 1 is installed on the chassis shell 7. When the case fixing bracket 1 is installed on the chassis shell 7 using the countersunk screw 3 8, the gourd holes 1-1 can be used to cooperate with the I-shaped nails to pre-attach the case fixing bracket 1 to the chassis shell 7, which helps to more conveniently install the case fixing bracket 1 on the chassis shell 7.

[0047] like Figure 8 As shown, the usage principle of the present device is summarized as follows: both ends of the fan module fixing bracket 6 are mounted on the inner wall of the chassis shell 7 through a fixing bracket assembly, wherein the specific connection structure of the fixing bracket assembly is formed by cooperating with a fixed bending plate 1-4 and a positioning platform 2-10 that are overlapped and locked up and down, and the two plates are arranged at the bottom edge of their respective brackets, thereby reserving a more concentrated wiring space - B for the space between the two brackets, while also taking into account the separation effect of different cables formed by the two plates; the gap between the bottom of the two plates and the inner bottom of the chassis shell 7 forms a wiring space - C; thereby completing the replacement and removal of the power handle A in the original structure.

[0048] The utility model describes a fixing frame assembly, a fan module and a server, wherein the fixed bending plate 1-4 and the positioning platform 2-10 are locked and fixed after being overlapped to complete the connection state. At the same time, since the fixed bending plate 1-4 and the positioning platform 2-10 are respectively arranged on the bottom edges of the chassis fixing bracket 1 and the fan fixing bracket 2, not only space is provided for the cable threading, but the positioning platform 2-10 can also provide additional support for the cables, and different cables can be threaded up and down to form a distinction when necessary.

[0049] The various embodiments in this specification are described in a progressive manner. Each embodiment focuses on the differences from other embodiments. The same and similar parts between the various embodiments can be referenced to each other.

[0050] The terms "upper," "lower," "outer," "inner," and the like, if used in the specification and claims of the present invention and the accompanying drawings, are used to distinguish relative positions and do not necessarily define them. It should be understood that the terms used in this manner are interchangeable where appropriate, such that the embodiments of the present invention described herein can be implemented in sequences other than those illustrated or described herein. Furthermore, the terms "including," "having," and any variations thereof are intended to cover non-exclusive inclusions.

[0051] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A fixing frame assembly, characterized in that: The invention comprises a casing fixing bracket (1) and a fan fixing bracket (2), wherein a fixed bending plate (1-4) extending toward one side of the fan fixing bracket (2) and supporting the fan fixing bracket (2) is provided on the bottom edge of the casing fixing bracket (1); the fan fixing bracket (2) and the casing fixing bracket (1) are arranged opposite to each other, and a positioning platform (2-10) extending toward one side of the casing fixing bracket (1) and locked with the top surface of the fixed bending plate (1-4) by a countersunk screw (5) is provided on the bottom edge of the fan fixing bracket (2); a wiring space (B) is formed between the casing fixing bracket (1) and the fan fixing bracket (2) and above the fixed bending plate (1-4) and the positioning platform (2-10), and the wiring space (B) provides a wiring space for the wiring of cables.

2. A fixing frame assembly according to claim 1, characterized in that: The fixed bending plate (1-4) is provided with a second rivet nut (1-5) and a second positioning hole (1-3); the positioning platform (2-10) is provided with a third countersunk screw fixing hole (2-9) and a second positioning column (2-7); the third countersunk screw fixing hole (2-9) is socketed with the first countersunk screw (5), and the first countersunk screw (5) is threadedly connected to the second rivet nut (1-5) to lock the positioning platform (2-10) on the fixed bending plate (1-4); the second positioning column (2-7) is arranged on the bottom surface of the positioning platform (2-10) and forms a guide fit with the second positioning hole (1-3).

3. A fixing frame assembly according to claim 2, characterized in that: The fixed bending plate (1-4) is arranged in the middle section of the housing fixing bracket (1) in the horizontal direction, and the middle part of the positioning platform (2-10) is provided with a convex bulge three (2-8) which is upwardly raised and has a size adapted to the fixed bending plate (1-4). The convex bulge three (2-8) forms an installation guide when the fixed bending plate (1-4) abuts against the convex bulge three (2-8).

4. A fan module, comprising a fan module housing (6), characterized in that: The fan module housing (6) is provided with a fixing bracket assembly as described in any one of claims 1 to 3 at both ends in the longitudinal direction, and at least two rivet nuts (6-1) are provided on the end surface of the fan module housing (6). The fan fixing bracket (2) is provided with a countersunk screw fixing hole (2-2), and the countersunk screw fixing hole (2-2) is socketed with a countersunk screw (6-7), and the countersunk screw (6-7) is threadedly connected to the rivet nut (6-1) to lock the fan fixing bracket (2) on the fan module housing (6).

5. The fan module according to claim 4, characterized in that: A convex bump (2-1) is provided on the fan fixing bracket (2) at the outer periphery of the countersunk screw fixing hole (2-2), and the convex bump (2-1) is raised toward the side away from the fan module housing (6) and covers the rivet nut (6-1) when the fan fixing bracket (2) is installed on the fan module housing (6).

6. The fan module according to claim 5, characterized in that: One side of the rivet nut (6-1) is provided with a positioning column (6-3) having an axial length greater than the axial length of the rivet nut (6-1) and mounted on the fan module housing (6); the fan fixing bracket (2) is provided with a positioning hole (2-4) for inserting and receiving the positioning column (6-3); the fan fixing bracket (2) is provided with a convex bulge (2-3) protruding toward a side away from the fan module housing (6) on the outer periphery of the positioning hole (2-4), the convex bulge (2-3) forming an installation guide for the positioning column (6-3) to pass through the positioning hole (2-4).

7. The fan module according to claim 5, characterized in that: One side of the rivet nut (6-1) is provided with two positioning bent plates (6-5) on the fan module housing (6) and extending in the horizontal direction. The positioning bent plates (6-5) are used to support the positioning platforms (2-10) on both sides of the convex bump (2-1) when the fan fixing bracket (2) is installed on the fan module housing (6).

8. A server, comprising a chassis housing (7), characterized in that: The inner side wall of the chassis shell (7) is provided with a fixing bracket assembly as described in any one of claims 1 to 3, and at least two positioning screw holes are provided on the inner side wall of the chassis shell (7). The chassis fixing bracket (1) is provided with a second countersunk screw fixing hole (1-2) corresponding to the positioning screw hole, and the second countersunk screw fixing hole (1-2) is socketed with a third countersunk screw (8), and the third countersunk screw (8) is threadedly connected to the positioning screw hole to lock the chassis fixing bracket (1) on the chassis shell (7).

9. A server according to claim 8, characterized in that: A second groove is provided on the casing fixing bracket (1) at the periphery of the second countersunk screw fixing hole (1-2). The second groove is provided on a side of the casing fixing bracket (1) facing the fan fixing bracket (2) and covers the nail cap portion of the third countersunk screw (8) when the casing fixing bracket (1) is installed on the chassis shell (7).

10. A server according to claim 8, characterized in that: At least two gourd holes (1-1) are provided on one side of the countersunk screw fixing hole (1-2) and are distributed in the horizontal direction. I-shaped nails installed on the inner side wall of the chassis shell (7) are inserted into the gourd holes (1-1). A groove (1) is provided on the chassis fixing bracket (1) at the outer periphery of the gourd hole (1-1). The groove (1) is provided on a side of the chassis fixing bracket (1) facing the fan fixing bracket (2) and covers the free end of the I-shaped nail when the chassis fixing bracket (1) is installed on the chassis shell (7).

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