WO2021164444A1

WO2021164444A1 - Pcie card fixing assembly and server device

Info

Publication number: WO2021164444A1
Application number: PCT/CN2020/142415
Authority: WO
Inventors: 周海晨; 郭宇华
Original assignee: 上海摩软通讯技术有限公司
Priority date: 2020-02-21
Filing date: 2020-12-31
Publication date: 2021-08-26
Also published as: CN111338438A

Abstract

The present application provides a PCIe card fixing assembly and a server device. The PCIe card fixing assembly is used for fixing a PCIe card in a case, and comprises a hold-down bar and a support fixedly disposed on an inner wall of the case. The hold-down bar is rotatably connected to the support, and both ends of the hold-down bar are provided with snap joints. The inner wall of the case is provided with snap joint holes adapted to the snap joints. At least one first locking portion lap-jointed to the PCIe card is disposed below the support. After the PCIe card is installed in the case, by rotating the hold-down bar, the hold-down bar presses against the PCIe card, and the snap joints are snap-connected and fixed into the snap joint holes, so as to hold down and fix the PCIe card.

Description

PCIe card fixing components and server equipment

Cross-references to related applications

This application is filed based on a Chinese patent application with an application number of 202010107429.6 and an application date of February 21, 2020, and claims the priority of the Chinese patent application. The entire content of the Chinese patent application is hereby incorporated into this application by way of introduction.

Technical field

This application relates to the field of server equipment, and in particular to a PCIe card fixing assembly and server equipment.

Background technique

The scalability of the server is an important performance of the server. The scalability of the server means that the hardware configuration of the server can be flexibly configured according to needs, such as memory, adapter, solid state disk (SSD), and processor. The scalability of the server can be achieved by adding Peripheral Component Interconnect express (PCIe) slots on the board. Each PCIe slot can be inserted into a PCIe card, and multiple PCIe cards can be connected. Different PCIe devices to meet the requirements of different users and different application scenarios.

At present, there are two main ways to fix PCIe cards: screw fixing, which uses the locking force of screws to fix the baffle on the header of the PCIe card to the iron part of the rear window of the chassis; or screwless fixing with a rotating bead, relying on the rotating shaft As a fulcrum, the rotating bead can be turned out to the outside of the chassis, and the PCIe card can be fixed on the iron part of the rear window with the rotating bead.

However, the screw fixing method of the existing PCIe card fixing method requires the help of tools, and the PCIe card cannot be quickly maintained and replaced; the fixing structure of the screwless rotating bead fixing method protrudes from the rear window of the chassis and affects the overall appearance, that is, the existing PCIe card The fixed structure of the device is unable to achieve quick replacement and maintenance while hiding the fixed structure better in the chassis.

Summary of the invention

The present application provides a PCIe card fixing assembly and a server device to solve the problem that the PCIe card fixing method cannot realize quick replacement and maintenance while keeping the fixing structure better hidden in the chassis.

The present application provides a PCIe card fixing assembly for fixing the PCIe card in a chassis, including: a pressure bar and a bracket fixedly arranged on the inner wall of the chassis;

The pressing bar is rotatably connected to the bracket, both ends of the pressing bar are provided with buckles, the inner wall of the chassis is provided with a buckle hole adapted to the buckle, and the lower part of the bracket At least one first locking portion overlapped with the PCIe card is provided. After the PCIe card is installed in the chassis, the bead is rotated to make the bead abut against the PCIe card, And the buckle is clamped and fixed in the buckle hole, so that the PCIe card is pressed and fixed.

In an embodiment, a rotating shaft is provided on the side where the pressure bar is rotatably connected to the bracket, and the bracket is provided with a mounting hole matching the rotating shaft, and the rotating shaft is rotatably mounted on the bracket. In the mounting hole.

In an embodiment, there are two rotating shafts, and the two rotating shafts are respectively arranged at positions close to the two ends of the pressure bar.

In an embodiment, the end of the buckle away from the bead is a wedge-shaped fixing part, and the wedge-shaped fixing part passes through the buckle hole to extend out of the chassis when the clamping is performed, and the wedge-shaped clip The fixing part is clamped and fixed on the outer edge of the buckle hole.

In one embodiment, a reset piece is provided on the side where the pressure bar is rotatably connected to the bracket, and when the buckle is released from the buckle hole, the reset piece prevents the pressure bar from contacting the holder. The rotatably connected side of the bracket rotates toward the inside of the chassis.

In one embodiment, the restoring member is a torsion spring, a support shaft is provided on one side of the pressure bar rotatably connected to the bracket, the torsion spring is wound and sleeved on the support shaft, and the torsion The first end of the spring is fixedly arranged on the pressure bar, and the second end of the torsion spring abuts against the inner wall of the chassis.

In an embodiment, there are two torsion springs, two support shafts are arranged opposite to the side where the pressure bar is rotatably connected to the bracket, and the first ends of the two torsion springs are fixedly connected to Together.

In an embodiment, at least one second locking portion is provided at one end of the pressure strip against the PCIe card, and at least one of the second locking portions and the at least one of the first locking portions cooperate to clamp the The blank of the PCIe card is described.

In an embodiment, a rubber pad is provided on an end surface of the second locking portion and the first locking portion that is matched and clamped.

The present application provides a server device, which includes a chassis, a PCIe card, and any of the aforementioned PCIe card fixing components, and the chassis is provided with an installation slot for detachably installing the PCIe card.

A PCIe card fixing assembly and server equipment provided by the present application. The PCIe card fixing assembly is used to fix the PCIe card in the chassis, and includes: a bead and a bracket fixedly arranged on the inner wall of the chassis; the bead is rotatable Is connected to the bracket, both ends of the bead are provided with buckles, the inner wall of the chassis is provided with a buckle hole adapted to the buckle, and at least one and When the PCIe card overlaps the first locking part, after the PCIe card is installed in the chassis, the pressure bar is rotated to make the pressure bar abut on the PCIe card and make the card The buckle is fixed in the buckle hole, so that the PCIe card is pressed and fixed, and the fixing structure is better hidden in the chassis while realizing quick replacement and maintenance.

Description of the drawings

In order to explain the technical solutions of the embodiments of the present application more clearly, the following will briefly introduce the drawings used in the description of the embodiments. Obviously, the drawings in the following description are some embodiments of the present application. For those of ordinary skill in the art, without creative labor, other drawings can be obtained from these drawings.

FIG. 1 is a schematic diagram of the structure of a PCIe card fixing assembly of this application;

FIG. 2 is a schematic diagram of the structure of a PCIe card fixing assembly bracket of this application;

FIG. 3 is a schematic diagram of the external structure of a bead of a PCIe card fixing component according to the present application;

4 is a schematic diagram of the internal structure of a bead of a PCIe card fixing assembly according to the present application;

Figure 5 is a schematic diagram of the PCIe card structure of the application;

6 is a schematic diagram of the first step of fixing a PCIe card of a server device according to this application;

FIG. 7 is a schematic diagram of the second step of fixing a PCIe card of a server device according to this application;

FIG. 8 is a schematic diagram of the third step of fixing a PCIe card of a server device according to this application.

Reference signs:

1: Layering;

11: Rotation axis;

12: buckle;

121: Wedge-shaped fixing part;

13: Reset piece;

14: The second locking part;

15: Support shaft;

2: Bracket;

21: Mounting hole;

3: PCIe card;

31: Block piece;

32: Bus plug;

4: Chassis;

41: The first locking part;

42: snap hole;

5: Motherboard;

51: Installation slot.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of this application.

At present, the development of new technologies such as cloud computing and big data in China is extremely fast. Data backup and data computing have many different requirements for each customer platform. The server configuration requirements are also getting higher and higher, and the server chassis is in specific During the application and deployment process, different PCIe plug-in cards will be installed according to the application and requirements of different configurations, such as SAS PCIe plug-in card, Raid PCIe plug-in card, Gigabit network PCIe plug-in card, 10 Gigabit network PCIe plug-in card, SSD PCIe plug-in Cards, graphics card PCIe plug-in cards, GPU PCIe plug-in cards, etc., have higher and higher requirements for the fixed structure and function of PCIe plug-in cards.

In some cases, the fixing method of the PCIe card is to first insert the PCIe card into the corresponding slot of the motherboard, and then fix the PCIe card on the iron part of the rear window with screws or rotating bezels. Among them, the screw fixing method uses the locking force of the screw to fix the baffle of the PCIe card head to the iron part of the rear window of the chassis. This structure requires the help of tools and cannot quickly perform the maintenance and replacement of the PCIe card; the screwless rotating bead fixing method Relying on the rotating shaft as a fulcrum, the rotating bead can be turned out to the outside of the chassis, and the PCIe card is fixed to the iron part of the rear window by the rotating bead. This structure protrudes from the rear window of the chassis and affects the overall appearance.

In view of this, the present application uses the cooperation of the rotation axis of the pressure bar and the bracket on the inner wall of the chassis for positioning, the buckle is buckled with the buckle hole of the chassis to achieve reliable fixing of the PCIe card, and the pressure bar is automatically reset by the torsion spring, thereby solving the fixation of the PCIe card. The problem that the fixed structure cannot be better hidden in the chassis while realizing quick replacement and maintenance.

Figure 1 is a schematic diagram of the structure of the PCIe card fixing assembly of this application, Figure 2 is a schematic diagram of the structure of the PCIe card fixing assembly bracket of this application, Figure 3 is a schematic diagram of the external structure of the PCIe card fixing assembly of the application, and Figure 4 is a PCIe card fixing assembly of this application Figure 5 is a schematic diagram of the structure of the PCIe card of the application. As shown in Figures 1-5, an embodiment of the application provides a PCIe card fixing assembly for fixing the PCIe card 3 in the chassis 4, including: 1 and a bracket 2 fixedly arranged on the inner wall of the chassis;

The pressing bar 1 is rotatably connected to the bracket 2. Both ends of the pressing bar 1 are provided with buckles 12, the inner wall of the chassis 4 is provided with a buckle hole 42 that matches the buckle 12, and at least one is provided under the bracket 2. The first locking part 41 overlapped with the PCIe card 3, when the PCIe card 3 is installed in the chassis 4, by rotating the pressure strip 1, the pressure strip 1 is pressed against the PCIe card 3, and the buckle 12 is clamped and fixed on In the snap hole 42, the PCIe card 3 is pressed and fixed.

In a possible implementation, the first locking portion 41 is the outer edge of the upper side of the rear window structure protruding toward the inner side of the chassis 4, and the rear window structure is fixedly arranged on the inner wall of the server chassis 4, and a bracket for the PCIe card fixing assembly 2 is correspondingly arranged above the first locking portion 41, the bracket 2 is fixedly installed on the inner wall of the case 4 by welding or riveting, the bead 1 is hinged to the bracket 2, and the buckle 12 extends toward the inner wall of the case 4. When in use, press the buckle 12 from the outside of the chassis to escape from the buckle hole 42 of the buckle 12, and the pressure bar 1 rotates to the inside of the chassis. At this time, the PCIe card fixing assembly is in the open state. After inserting the PCIe card 3, the PCIe card 3 The baffle 31 is overlapped above the first locking portion 41, the bead 1 is rotated in the opposite direction, and the bead 1 rotates and abuts on the baffle 31 of the PCIe card 3. The pressure bar 1 and the first locking portion 41 clamp and fix the blocking piece 31 of the PCIe card 3, thereby realizing quick installation and fixing of the PCIe card, and realizing quick replacement and maintenance.

Optionally, the side where the pressure bar 1 and the bracket 2 are rotatably connected is provided with a rotating shaft 11, the bracket 2 is provided with a mounting hole 21 matching the rotating shaft 11, and the rotating shaft 11 is rotatably installed in the mounting hole 21.

In a possible implementation manner, the side where the pressure bar 1 and the bracket 2 are rotatably connected is provided with a rotation shaft groove for accommodating the above-mentioned rotation shaft 11 along its width direction, and the rotation shaft 11 is along the length of the pressure strip 1 in the rotation shaft groove. The direction is set, one end of the rotating shaft 11 is fixedly connected to one side of the groove wall of the rotating shaft groove or integrally formed, the other end of the rotating shaft 11 is suspended and a certain gap is maintained between the groove wall of the other side of the rotating shaft, for installing the rotating shaft 11 Into the mounting hole 21 on the bracket 2.

It should be noted that the bead 1 is made of plastic, and the bracket 2 is made by shearing and bending a metal plate. The plate has a certain elasticity, which is convenient for installing the rotating shaft 11 of the bead 1 into the mounting hole 21 of the bracket 2. Disassembly, assembly and maintenance of PCIe card fixing components.

Optionally, there are two rotating shafts 11, and the two rotating shafts 11 are respectively arranged at positions close to the two ends of the pressure bar 1.

In a possible implementation manner, the side of the rotatably connected side of the pressure bar 1 and the bracket 2 is provided with two rotary shaft grooves for accommodating the above-mentioned rotary shaft 11 along the width direction of the position close to the two ends of the pressure bar 1, and the rotary shaft 11 is arranged in the rotating shaft groove along the length direction of the bead 1. One end of the two rotating shafts 11 is fixedly connected or integrally formed with the wall of the rotating shaft groove on the side away from the two ends of the bead 1, and the other ends of the two rotating shafts 11 are suspended and connected with each other. There is a certain gap between the wall of the rotary shaft near the two ends of the pressure bar. Two metal plates with a mounting hole are respectively provided on the bracket during installation to limit the movement of the pressure bar along the length direction and prevent the pressure bar from falling out of the mounting hole from the rotating shaft. , To ensure that the pressure bar 1 and the bracket 2 can be reliably connected in rotation.

Optionally, the end of the buckle 12 away from the pressure strip 1 is a wedge-shaped fixing portion 121. When the clamping is performed, the wedge-shaped fixing portion 121 passes through the buckle hole 42 and extends out of the chassis 4, and the wedge-shaped fixing portion 121 is clamped and fixed to the clamp. Button hole 42 on the outer edge.

In a possible implementation, when the pressure bar is gradually rotated and pressed down, the buckle 12 extends into the buckle hole 42, the wedge-shaped fixing portion 121 abuts the outer edge of the buckle hole 42, and the buckles at both ends of the pressure bar 1 are elastically deformed inward. , Until the wedge-shaped retaining portion 121 fully extends into the buckle hole 42, the buckles 12 at both ends of the clamping strip 1 are ejected outward under the action of the deformation restoring force, and the wedge-shaped retaining portion 121 is clamped on the outer edge of the buckle hole 42 When disassembling, you need to manually press the two buckles 12 from the outside of the chassis 4, so that the two buckles 12 are folded toward the middle position. After the wedge-shaped clamping part 121 comes out of the buckle hole 42, the pressure strip 1 rotates to the inside of the chassis 4 to drive the card The buckle 12 comes out of the buckle hole 42 entirely.

Optionally, the side where the pressure bar 1 and the bracket 2 are rotatably connected is provided with a reset member 13, and when the buckle 12 is released from the buckle hole 42, the reset member 13 makes the side of the pressure bar 1 not rotatably connected with the bracket 2 Rotate to the inside of the case 4.

In a possible implementation manner, in the above embodiment, when the buckle 12 is released from the buckle hole 42, the angle of rotation of the bead 1 into the chassis is limited, and the bead 1 still abuts on the baffle 31 of the PCIe card 3, which affects PCIe Removal of the card. A resetting piece 13 is provided on the side where the pressing bar 1 and the bracket 2 are rotatably connected. When the buckle 12 comes out of the buckle hole 42, the pressing bar can automatically continue to rotate to the inside of the case under the action of the resetting piece 13, so that the pressing bar is completely separated The baffle 31 of the PCIe card 3 facilitates the quick removal of the PCIe card and also facilitates the subsequent installation of a new PCIe card.

Optionally, the reset member 13 is a torsion spring, a support shaft 15 is provided on the side where the pressure bar 1 and the bracket 2 are rotatably connected, the torsion spring is wound and sleeved on the support shaft 15, and the first end of the torsion spring is fixedly arranged on the pressure bar 1, the second end of the torsion spring abuts against the inner wall of the case 4.

In a possible implementation manner, when installing the above-mentioned pressing bar 1, the second end of the torsion spring needs to be pressed against the inner wall of the chassis 4, so that the torsion spring is wound tightly, and then the rotating shaft of the pressing bar 1 is installed into the bracket 2. In the mounting hole 21, after the installation is completed, under the action of the torsion spring's restoring force, the pressure bar 1 rotates and tilts toward the inside of the chassis.

Optionally, there are two torsion springs, two supporting shafts 15 are arranged opposite to the side where the pressure bar 1 and the bracket 2 are rotatably connected, and the first ends of the two torsion springs are fixedly connected together.

In a possible implementation, the first ends of the two symmetrically arranged torsion springs are fixedly connected together to form a torsion spring group, and the torsion spring group is arranged in the middle position of the side where the pressure bar 1 and the bracket 2 are rotatably connected. One end of the support shaft 15 is fixedly connected with the pressure bar, and the other end is suspended. The corresponding position in the middle of the pressure bar 1 is provided with two supporting shafts 15 with opposite suspended ends. When the torsion spring group is installed, the two torsion springs are respectively sleeved on the two suspended ends. On the supporting shaft 15 provided, the first ends of the two torsion springs are fixedly connected together to prevent the torsion spring group from falling off from the supporting shaft 15 and ensure that the torsion spring is installed firmly.

Optionally, at least one second locking portion 14 is provided at one end of the pressure strip 1 against the PCIe card 3, and the at least one second locking portion 14 cooperates with the at least one first locking portion 41 to clamp the baffle of the PCIe card 3 31.

In a possible implementation, multiple PCIe cards need to be installed side by side in the chassis 4, and the corresponding bead 1 needs to fix the baffles 31 of multiple PCIe cards 3 at the same time, and set the end of the bead 1 against the PCIe card 3 The plurality of second locking portions 14 are adapted to the first locking portion 41 on the corresponding rear window structure of the chassis. The fixing part 14 cooperates with the plurality of first locking parts 41 to clamp the baffle 31 of the PCIe card 3 to complete the fixing of the plurality of PCIe cards 3 at the same time.

Optionally, a rubber pad is provided on the end surface where the second locking portion 14 and the first locking portion 41 are matched and clamped.

In a possible implementation, the arrangement of rubber pads increases the friction between the bead 1 and the baffle 31 of the PCIe card 3 on the one hand, and makes the PCIe card 3 abut against the rear window structure of the chassis during the pressing process; on the other hand, It is avoided that the pressure bar is repeatedly opened and pressed to cause excessive wear on the side of the pressure bar against the blocking piece 31 of the PCIe card 3, which causes the PCIe card 3 to be unstable.

It should be noted that the above-mentioned bead is a plastic part, and the rotating shaft 11, the buckle 12, the second locking portion 14 and the support shaft 15 are all formed on the bead by injection molding. As shown in FIG. There are multiple reinforcement ribs that are molded together to make the bead structure strong and ensure that the PCIe card is firmly fixed.

The PCIe card fixing assembly provided in this embodiment is used to fix the PCIe card in the chassis, and includes: a pressure strip and a bracket fixedly arranged on the inner wall of the chassis; the pressure strip is rotatably connected to the bracket, and both ends of the pressure strip are provided with cards Buckle, the inner wall of the chassis is provided with a buckle hole adapted to the buckle, and at least one first locking part that overlaps with the PCIe card is provided under the bracket. When the PCIe card is installed in the chassis, the pressing bar , The pressure bar is pressed against the PCIE card, and the buckle is fixed in the buckle hole, so that the PCIe card is pressed and fixed, and the fixing structure is better hidden in the chassis while realizing quick replacement and maintenance.

Fig. 6 is a schematic diagram of the first step of fixing a PCIe card of a server device of this application, Fig. 7 is a schematic diagram of the second step of fixing a PCIe card of a server device of this application, and Fig. 8 is a schematic diagram of the third step of fixing a PCIe card of a server device of this application, according to the figure As shown in 6-8, the embodiment of the present application provides a server device, including a chassis, a PCIe card, and any PCIe card fixing assembly in the foregoing embodiments. The chassis 4 is provided with an installation slot for detachably installing the PCIe card 3 43.

In a possible implementation manner, the steps for fixing the PCIe card of the server device are as follows:

Step 1: As shown in Figure 6, press the buckle 12 of the pressure strip 1 from the outer side 4 of the chassis, so that the buckle 12 of the pressure strip 1 comes out of the buckle hole 42 on the chassis wall, and the pressure strip 1 moves toward the chassis 4 under the action of the torsion spring group. Rotate inside, PCIe card fixing assembly is fully opened;

Step 2: As shown in Figure 7, install the bus plug 32 of the PCIe card 3 to the corresponding installation slot 51 of the motherboard 5; the baffle 31 of the PCIe card 3 overlaps with the first locking portion 41 of the rear window structure;

Step 3 As shown in FIG. 8, the buckles 12 at both ends of the rotating bead 1 are rotated through the corresponding buckle holes 42, and the wedge-shaped fixing portions 121 on the buckles 12 are clamped with the edges of the buckle holes 42.

The server device provided in this embodiment realizes quick replacement and maintenance of PCIe cards through the setting of PCIe card fixing components, and at the same time, the PCIe card fixing components are all set inside the chassis, making the appearance of the chassis more tidy and beautiful.

In this application, unless otherwise clearly specified and limited, terms such as "installation", "connected", "connected", "fixed" and other terms should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. Or integrated; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediary, a communication between two elements or an interaction relationship between two elements, unless specifically defined otherwise. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in this application can be understood according to specific circumstances.

In the description of this application, it should be understood that the terms "upper", "lower", "front", "rear", "vertical", horizontal, "top", "bottom", "inner", " The orientation or positional relationship indicated by “outside” is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation and The specific orientation structure and operation cannot be understood as a limitation of the application. In the description of the application, "multiple" means two or more than two, unless it is specifically specified otherwise.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the application, not to limit them; although the application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions recorded in the foregoing embodiments are modified, or some of the technical features thereof are equivalently replaced; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

A PCIe card fixing assembly for fixing the PCIe card in a chassis, comprising a pressure bar and a bracket fixedly arranged on the inner wall of the chassis;

The pressing bar is rotatably connected to the bracket, both ends of the pressing bar are provided with buckles, the inner wall of the chassis is provided with a buckle hole adapted to the buckle, and the lower part of the bracket At least one first locking portion overlapped with the PCIe card is provided. After the PCIe card is installed in the chassis, the bead is rotated to make the bead abut against the PCIe card, And the buckle is clamped and fixed in the buckle hole, so that the PCIe card is pressed and fixed.
The PCIe card fixing assembly according to claim 1, wherein a rotating shaft is provided on the side where the pressure bar is rotatably connected with the bracket, and the bracket is provided with a mounting hole matching the rotating shaft, and The rotating shaft is rotatably installed in the mounting hole.
3. The PCIe card fixing assembly according to claim 2, wherein there are two rotating shafts, and the two rotating shafts are respectively arranged at positions close to the two ends of the pressure bar.
The PCIe card fixing assembly according to claim 1, wherein the end of the buckle away from the pressure strip is a wedge-shaped fixing part, and the wedge-shaped fixing part passes through the buckle hole and protrudes when the fixing is performed. On the outside of the chassis, the wedge-shaped clamping part is clamped and fixed on the outer edge of the clamping hole.
The PCIe card fixing assembly according to any one of claims 1 to 4, wherein a reset piece is provided on one side of the pressure bar that is rotatably connected to the bracket, and when the buckle is released from the buckle hole Afterwards, the reset member makes the side of the pressure bar not rotatably connected with the bracket to rotate toward the inside of the chassis.
The PCIe card fixing assembly according to claim 5, wherein the restoring member is a torsion spring, a support shaft is provided on one side of the pressure bar that is rotatably connected to the bracket, and the torsion spring is wound and sleeved on the support shaft. On the support shaft, the first end of the torsion spring is fixedly arranged on the pressure bar, and the second end of the torsion spring abuts against the inner wall of the chassis.
The PCIe card fixing assembly according to claim 6, wherein there are two torsion springs, two supporting shafts are provided opposite to the side where the pressure bar is rotatably connected to the bracket, and the two torsion The first ends of the springs are fixedly connected together.
The PCIe card fixing assembly according to claim 1, wherein at least one second locking part is provided at one end of the pressure strip against the PCIe card, at least one of the second locking parts and at least one of the first A locking part cooperates to clamp the baffle of the PCIe card.
8. The PCIe card fixing assembly according to claim 8, wherein a rubber pad is provided on an end surface of the second locking part and the first locking part that is matched and clamped.
A server device includes a chassis, a PCIe card, and the PCIe card fixing assembly according to claims 1-9, wherein the chassis is provided with an installation slot for detachably installing the PCIe card.