CN116185145A

CN116185145A - Server expansion card fixing structure and server

Info

Publication number: CN116185145A
Application number: CN202310172027.8A
Authority: CN
Inventors: 刘庭玮; 唐雪飞
Original assignee: Suzhou Inspur Intelligent Technology Co Ltd
Current assignee: Suzhou Inspur Intelligent Technology Co Ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-05-30

Abstract

The embodiment of the application provides a server expansion card fixing structure and a server, wherein the server expansion card fixing structure comprises a wind scooper and a board card fixing assembly, the wind scooper is used for radiating a server main board, and a positioning clamping groove is formed in the wind scooper and used for positioning an expansion card; the board card fixing assembly is connected with the air guide cover in a clamping manner and used for fixing the expansion card on the air guide cover. This application is through directly fixing the expansion card on the wind scooper to avoid the problem that needs to come fixed mounting expansion card through other mounting panel among the prior art, reduced the structure, vacated the space, and the fixed subassembly of integrated circuit board is connected with wind scooper joint, and the fixed subassembly of integrated circuit board adopts screwless detachably to be connected with the wind scooper, thereby need not to twist the screw again, convenient and fast more has improved the efficiency of installation and dismantlement, has solved the problem of HBA card inconvenient installation and dismantlement among the correlation technique.

Description

Server expansion card fixing structure and server

Technical Field

The embodiment of the application relates to the field of computers, in particular to a server expansion card fixing structure and a server.

Background

The server expansion card is a Host Bus Adapter (HBA card), which is a circuit board or integrated circuit Adapter that provides input/output processing and physical connections between the server and the storage device. Because the HBA relieves the host processor of the burden of data storage and retrieval tasks, it can improve server performance. An HBA and the disk subsystem to which it is connected are sometimes collectively referred to as a disk channel. In short, HBA cards are a ligament connecting storage and computing layers, and are therefore widely used on storage servers. With the development of technology and the increasing cost of manpower. Most customers' requirements are higher and higher, the current HBA card fixing structure is complex, the installation efficiency is low, the quick maintenance and replacement of internal modules and components can not be realized, and the smooth operation of the service is ensured.

In the prior art, a fixing frame is arranged in front of an HBA card, the HBA card is fixed on a fixed installation frame through a locking screw, then the whole module is similar to a PCIE expansion card, the module is inserted into another structural member mould, the module is fixed through the screw and is placed on a rear window at present, the space for the rear window is limited, the module is not applicable when other configurations are fully distributed, and meanwhile, the structure for fixing the HBA card is built in a server and occupies very much space, so that the module is very inconvenient.

Disclosure of Invention

The embodiment of the application provides a server expansion card fixing structure and a server, which are used for at least solving the problem that an HBA card is inconvenient to install and detach in the related technology.

According to an embodiment of the present application, there is provided a server expansion card fixing structure including: the air guide cover is used for radiating the server main board, and is provided with a positioning clamping groove for positioning the expansion card; the board card fixing assembly is detachably connected with the air guide cover and used for fixing the expansion card on the air guide cover.

Further, the integrated circuit board fixed subassembly includes two at least integrated circuit board fixed bolster, and a plurality of integrated circuit board fixed bolsters set up in the both sides of expansion card symmetrically and are connected with the wind scooper joint respectively to be used for the both sides of fixed expansion card.

Further, be equipped with a plurality of direction trip on the integrated circuit board fixed bolster, be equipped with on the wind scooper with a plurality of guiding holes, a plurality of guiding holes and a plurality of direction trip one-to-one set up, wherein, the guiding hole is the bar hole, and a plurality of bar holes parallel arrangement, each direction trip slidable set up in corresponding bar downthehole so that integrated circuit board fixed bolster moves along the extending direction in bar hole.

Further, the board fixing support is provided with a positioning protrusion, the wind scooper is provided with a positioning hole, and the positioning protrusion is matched with the positioning hole to fix the board fixing support on the wind scooper.

Further, the two ends of the positioning protrusion along the extending direction of the strip-shaped hole are provided with first guiding surfaces for guiding the positioning protrusion into the positioning hole, and/or

The two ends of the positioning hole along the extending direction of the strip-shaped hole are provided with second guide surfaces so that the positioning bulge slides into the positioning hole along the second guide surfaces.

Further, a plurality of limiting bosses are further arranged on the air guide cover and are arranged in one-to-one correspondence with the plurality of board fixing brackets, so that the relative positions of the board fixing brackets and the air guide cover are limited.

Further, a pushing part is arranged on the board card fixing support and used for pushing the expansion card into the positioning clamping groove.

Further, the positioning clamping groove is a U-shaped groove, and a guide opening is formed in the end portion of the U-shaped groove so that the expansion card can be clamped into the U-shaped groove along the guide opening.

According to another embodiment of the present application, there is provided a server including: the server expansion card fixing structure comprises a case, a server main board and a server expansion card fixing structure, wherein the server main board and the server expansion card fixing structure are arranged in the case, and the server expansion card fixing structure is the server expansion card fixing structure.

Further, a spherical bulge is arranged on the case, an elastic X-shaped hole is arranged on the air guide cover, and the spherical bulge penetrates through the elastic X-shaped hole to fix the air guide cover on the case.

According to the method and the device, the wind scooper is of a structure of the existing server and is used for radiating the main board of the server, and the wind scooper is provided with the positioning clamping grooves for positioning two sides of the expansion card respectively, so that the problem that the expansion card needs to be fixedly installed through another installation plate in the prior art is avoided, the structure is reduced, and more space is saved; the board card fixing component and the wind scooper are detachably connected without screws, such as in a clamping manner, so that the expansion card is fixed on the wind scooper, and screws are not required to be screwed when the expansion card is installed and detached. Meanwhile, in order to save manpower and material resources of a server assembly factory, the server HBA card is designed into a structure which is free of tool disassembly and assembly rapidly and safe and reliable, so that the method has important significance and is more convenient and quicker.

The design scheme breaks through the conventional thought, the function of tool-free disassembly and assembly of the HBA board card is realized by utilizing the space above the wind scooper, firstly, the board card fixing bracket is fixed in an elliptical hole on the wind scooper through a clamping hook, the HBA board card is aligned with a connector on the HBAriser card to be inserted, and the HBA board card can be automatically guided into a U-shaped clamping groove because oblique guide angles are designed in the upper and lower directions of the U-shaped clamping groove on the wind scooper; then respectively pushing the plate card fixing brackets at the left side and the right side, wherein the HBA plate card can be automatically guided into the U-shaped clamping groove by the oblique guide angle of the U-shaped clamping groove on the plate card fixing bracket in the up-down direction; the combined position of the board fixing support and the air guide cover: when the board fixing support is just pushed in, the oblique guide angle on the clamping hook on the elastic arm and the oblique guide angle on the wind scooper interact, the elastic arm is elastically deformed by extrusion touch, after the board fixing support is pushed in place, the clamping hook on the elastic arm just falls into the clamping hole on the wind scooper, and at the moment, the board fixing support firmly fixes the HBA board on the wind scooper. And then aligning the elastic X-shaped hole and the boss on the wind scooper module to the spherical rivet and the square hole on the chassis to assemble downwards, when the spherical rivet is touched by the elastic X-shaped hole, the spherical rivet can extrude the elastic X-shaped hole to elastically deform and expand, after the spherical rivet is in place, the elastic X-shaped hole can reset, under the condition that no external force exists, the wind scooper module is fixed on the chassis, then the upper cover is assembled, the upper cover can press the round bump on the wind scooper to fix the wind scooper module for the second time, at the moment, the whole HBA card wind scooper module is firmly fixed in the chassis, the disassembly and the assembly of the HBA board card are tool-free, and meanwhile, the disassembly and the assembly of the wind scooper module into the server are tool-free.

According to the invention, the space above the wind scooper is utilized, and the function of quickly and labor-saving tool-free disassembly and assembly of the HBA card can be realized by utilizing extremely limited space, so that the internal modules and components can be quickly maintained and replaced, and the smooth operation of the service can be ensured. Meanwhile, a large amount of manpower and material resources of a server assembly factory are saved.

The structure of the invention not only can be used on the HBA card, but also can be used on some self-grinding board cards, thereby realizing tool-free disassembly and assembly.

Drawings

FIG. 1 is a schematic diagram of a server expansion card fixing structure according to an embodiment of the present application;

FIG. 2 is a schematic diagram of a portion of a structure of a server according to an embodiment of the present application;

FIG. 3 is a split schematic diagram of a server expansion card fixing structure according to an embodiment of the present application;

FIG. 4 is a partially exploded view of a server according to an embodiment of the present application;

FIG. 5 is a schematic front and back view of a partially constructed card-holding bracket of a server according to an embodiment of the present application;

FIG. 6 is a schematic cross-sectional view of a server expansion card fixing structure according to an embodiment of the present application fixed to a chassis;

FIG. 7 is a schematic view of a server expansion card fixing structure according to an embodiment of the present application when detached;

fig. 8 is a front view of a server expansion card fixing structure according to an embodiment of the present application fixed to a chassis.

10. A wind scooper; 11. positioning clamping grooves; 12. a guide hole; 13. positioning holes; 14. a limit boss; 15. an elastic X-shaped aperture; 16. unlocking the hole; 20. an expansion card; 30. a board fixing bracket; 31. a guide hook; 32. positioning the bulge; 33. a pushing part; 40. a chassis; 41. spherical protrusions.

Detailed Description

Embodiments of the present application will be described in detail below with reference to the accompanying drawings in conjunction with the embodiments.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

In order to solve the problem that an HBA card is inconvenient to install and detach in the prior art, the invention provides a server expansion card fixing structure and a server.

As shown in fig. 1 to 8, the fixing structure of the expansion card of the server of the present invention comprises a wind scooper 10 and a board fixing component, wherein the wind scooper 10 is a structure of the existing server and is used for radiating the main board of the server, and in the present invention, two rows of positioning clamping grooves 11 are formed on the wind scooper 10 to be used for positioning two sides of the expansion card 20 respectively, thereby avoiding the problem that the expansion card 20 needs to be fixedly installed by another installation board in the prior art, reducing the structure, and thus freeing up more space; the board card fixing assembly and the wind scooper 10 are detachably connected without screws, such as in a clamping manner, so that the expansion card 20 is fixed on the wind scooper 10, screws are not required to be screwed when the expansion card 20 is installed and detached, and the server expansion card fixing structure can realize the function of rapid tool-free disassembly and assembly, so that rapid maintenance and replacement of internal modules and components are realized, and smooth operation of service is ensured. Meanwhile, in order to save manpower and material resources of a server assembly factory, the server HBA card is designed into a structure which is free of tool disassembly and assembly rapidly and safe and reliable, so that the method has important significance and is more convenient and quicker.

The board fixing assembly comprises at least two board fixing brackets 30, and the plurality of board fixing brackets 30 are symmetrically arranged on two sides of the expansion card 20 and are respectively connected with the wind scooper 10 in a clamping manner so as to be used for fixing two sides of the expansion card 20. Taking two board fixing brackets 30 as an example, the two board fixing brackets are symmetrically arranged at two ends of the length direction of the expansion card 20 so as to fix the two ends on the wind scooper 10, structures matched with the two board fixing brackets 30 are respectively arranged on the wind scooper 10, and the board fixing brackets 30 are respectively fixedly connected with the expansion card 20 and the wind scooper 10 after being fixed.

The integrated circuit board fixed bolster 30 is last to be equipped with a plurality of direction trip 31, be equipped with on the wind scooper 10 with a plurality of guiding hole 12, a plurality of guiding hole 12 and a plurality of direction trip 31 set up in a one-to-one correspondence, wherein, guiding hole 12 is bar hole or elliptical hole, guiding hole 12 extends along the width direction of expansion card 20, integrated circuit board fixed bolster 30 inserts between expansion card 20 and wind scooper 10 along the width direction of expansion card 20, fix both, wherein, a plurality of bar holes parallel arrangement, each direction trip 31 slidable sets up in corresponding bar downthehole so that integrated circuit board fixed bolster 30 moves along the extending direction of bar hole.

The bottom of the integrated circuit board fixed bolster 30 is equipped with the location arch 32, and location arch 32 and direction trip 31 are located the same side of integrated circuit board fixed bolster 30, are equipped with locating hole 13 and unlocking hole 16 on the wind scooper 10, and location arch 32 cooperates with locating hole 13 in order to fix integrated circuit board fixed bolster 30 on wind scooper 10, thereby location arch 32 cooperates with unlocking hole 16 and can make expansion card 20 and wind scooper 10 separation. Preferably, the positioning protrusion 32 is a strip, two ends of the positioning protrusion 32 along the extending direction of the strip-shaped hole are provided with first guiding surfaces for guiding the positioning protrusion 32 into the positioning hole 13, and two ends of the positioning hole 13 along the extending direction of the strip-shaped hole are provided with second guiding surfaces for sliding the positioning protrusion 32 into the positioning hole 13 along the second guiding surfaces. The provision of the guide surface facilitates sliding the positioning projection 32 along the guide surface into the positioning hole 13 when the card-fixing bracket 30 is pushed to move.

As shown in fig. 2, the wind scooper 10 is further provided with a plurality of limiting bosses 14, and the plurality of limiting bosses 14 are disposed in one-to-one correspondence with the plurality of board fixing brackets 30, so as to limit the relative positions of the board fixing brackets 30 and the wind scooper 10. Specifically, the limiting bosses 14 of the present invention are arranged in two rows and are respectively located at the inner sides of the two rows of guiding holes, so as to locate the relative position between the board fixing bracket 30 and the wind scooper 10 by contacting with the limiting plate on the board fixing bracket.

The board card fixing bracket 30 is provided with a pushing part 33, the pushing part 33 can adopt a pushing plate or a pushing groove, if the pushing groove is adopted, the opening of the groove is provided with a guiding inclined plane, and the expansion card 20 can be clamped into the pushing groove while being pushed into the positioning card groove 11 by the pushing groove.

The positioning clamping groove 11 is a U-shaped groove, and a guide opening is formed in the end of the U-shaped groove so that the expansion card 20 can be clamped into the U-shaped groove along the guide opening.

The invention also provides a server, comprising: the chassis 40, the server motherboard and the server expansion card fixing structure, wherein the server motherboard and the server expansion card fixing structure are arranged in the chassis 40, and the server expansion card fixing structure is the server expansion card fixing structure. As shown in fig. 3 and 4, a spherical protrusion 41 is provided on the case 40, and an elastic X-shaped hole 15 is provided on the wind scooper 10, and the spherical protrusion 41 passes through the elastic X-shaped hole 15 to fix the wind scooper 10 on the case 40.

In addition, the server of the invention further comprises a heat dissipation exhaust fan which is arranged in the wind scooper 10, and the heat dissipation exhaust fan is arranged close to the main board of the server, so that the heat generated by the main board of the server can be conveniently and timely dissipated.

The invention relates to a server expansion card fixing structure which is fixed on a wind scooper 10 and is free from tool disassembly, by utilizing HBA cards on the market and designing a structure, the rapid assembly and disassembly of the HBA cards are realized, a board card fixing bracket 30 is fixed in a guide hole 12 on the wind scooper 10 through a guide clamping hook 31, the guide hole 12 is an elliptical hole or a strip hole, the HBA board card is aligned to a connector for inserting the HBA board card into a storage device, and because guide openings are designed in the upper and lower directions of a positioning clamping groove 11 on the wind scooper 10, the guide openings have oblique guide angles, the HBA card can be automatically guided into the positioning clamping groove 11, and the positioning clamping groove 11 is a U-shaped groove; then respectively pushing the board fixing brackets 30 at the left side and the right side, wherein the HBA board is automatically guided into the U-shaped groove by the oblique guide angle of the U-shaped groove on the board fixing bracket 30 in the up-down direction; when the board fixing support 30 is just pushed in, the first guiding surface on the positioning protrusion 32 on the elastic arm of the board fixing support 30 interacts with the second guiding surface in the positioning hole 13 on the wind scooper 10, the elastic arm is elastically deformed by pressing, after the board fixing support 30 is pushed in place, the positioning protrusion 32 on the elastic arm just falls into the positioning hole 13 on the wind scooper 10, and at the moment, the board fixing support 30 firmly fixes the HBA board on the wind scooper 10. And then the elastic X-shaped hole 15 and the limiting boss 14 on the wind scooper 10 are aligned with the spherical bulge 41 and the square hole on the case 40 to be assembled downwards, wherein the spherical bulge 41 can adopt spherical rivets, when the elastic X-shaped hole 15 touches the spherical rivets, the spherical rivets can squeeze the elastic X-shaped hole 15 to elastically deform and expand, after the elastic X-shaped hole is in place, the elastic X-shaped hole can reset, the wind scooper 10 is fixed on the case 40 under the condition of no external force, then the upper cover is assembled, the upper cover can press the round bump on the wind scooper 10 to secondarily fix the wind scooper 10 module, at the moment, the whole HBA card wind scooper 10 is firmly fixed in the case 40, and in the whole process, the disassembly and assembly of the HBA card are tool-free, and meanwhile, the disassembly and assembly of the wind scooper 10 module into a server are tool-free. This structure uses only the space above the wind scooper 10, realizing extremely high density of servers. In addition, the efficiency and the operation experience of server maintenance are improved by using a tool-free fixing mode. The invention adopts the following technical scheme that the structure mainly comprises the following components:

the case 40 is used as a carrier for the overall structural layout design of the wind scooper 10, and the wind scooper 10 and the upper cover are mounted on the case 40.

The wind scooper 10 and the plastic part are used as carriers for fixing the whole board fixing bracket 30 and the HBA board. The wind scooper 10 is provided with a positioning clamping groove 11 for fixing the HBA board card.

The integrated circuit board fixed bolster 30, one side design has the U-shaped draw-in groove, and fixed HBA integrated circuit board, and one side design has the elastic arm trip, fixes integrated circuit board fixed bolster 30 on wind scooper 10, has 4 guide trip 31 and 4 guiding hole 12 cooperation on the wind scooper 10 to realize the gliding function of integrated circuit board fixed bolster 30 on wind scooper 10 on the integrated circuit board fixed bolster 30 simultaneously.

The upper cover can effectively protect parts inside the server, and simultaneously the left side and the right side of the upper cover can press the air guide cover 10 module to secondarily fix the air guide cover 10 module

The spherical protrusion 41 is riveted on the case 40 by spherical rivets, and fixes the middle position of the wind scooper 10.

When the server expansion card fixing structure is installed, firstly, spherical protrusions 41 are riveted on a case 40, then hot-melt screw nails and step hot-melt screw nails are hot-melt to studs on a wind scooper 10, then guide hooks 31 on a board card fixing support 30 are aligned with guide holes 12 on the wind scooper 10 and are installed on the wind scooper 10, the board card fixing support 30 is fixed on the wind scooper 10 by the guide hooks 31 on the board card fixing support 30, and because the guide holes 12 are in an elliptical shape, the board card fixing support 30 can slide in elliptical slideway holes, and meanwhile, a limiting boss 14 on the wind scooper 10 limits the sliding of the auxiliary board card fixing support 30; holes on the connector board are aligned with the step hot melt screw threads on the wind scooper 10 and are nailed on the wind scooper 10, and then the connector board is firmly fixed on the wind scooper 10 through 3 screws.

The specific application method and the working principle are as follows:

when the HBA board card is required to be installed, firstly, the HBA board card 3 is aligned to the connector for insertion, and because the upper and lower directions of the positioning clamping groove 11 on the air guide cover 10 are designed with oblique guide angles, the oblique guide angles on the U-shaped clamping groove can guide the HBA card into the positioning clamping groove 11 in the process of inserting the HBA card; then, the board fixing brackets 30 on the left side and the right side are respectively pushed in along the yellow arrow in fig. 7, and the positions of the board fixing brackets 30 and the HBA board are combined: because the pushing part 33 on the board fixing bracket 30 is provided with an inclined guide angle in the up-down direction, the inclined guide angle on the pushing part 33 on the fixing bracket can automatically guide the HBA board into the U-shaped clamping groove of the pushing part 33 in the pushing process of the board fixing bracket 30; the combined position of the board fixing bracket 30 and the wind scooper 10: when the board fixing support 30 is just pushed in, the oblique guide angle on the guide hook 31 on the elastic arm and the oblique guide angle on the wind scooper 10 interact, the elastic arm is elastically deformed by extrusion contact, when the board fixing support 30 is pushed in place, the guide hook 31 on the elastic arm just falls into the guide hole 12 on the wind scooper 10, and at the moment, the board fixing support 30 firmly fixes the HBA board on the wind scooper 10. And then the assembled HBA board card wind scooper 10 is installed in the case 40, the steps are that an elastic X-shaped hole 15 and a boss on a wind scooper 10 module are assembled downwards aiming at a spherical rivet and a square hole on the case 40, when the elastic X-shaped hole 15 touches the spherical rivet, the spherical rivet can squeeze the elastic X-shaped hole 15 to elastically deform and expand, when the elastic X-shaped hole passes through the spherical shape on the spherical rivet, the elastic X-shaped hole can reset, under the condition that no external force exists, the wind scooper 10 module is fixed on the case 40, then an upper cover is installed, the upper cover can press a round bump on the wind scooper 10, and the wind scooper 10 module is secondarily fixed, and at the moment, the whole HBA board wind scooper 10 module is firmly fixed in the case 40.

When the HBA card needs to be disassembled, the upper cover is opened, the air guide cover 10 module is taken out from the chassis 40, the elastic arm on the board card fixing support 30 is lifted up slightly, the clamping hook on the elastic arm on the board card fixing support 30 is led out of the clamping hole, the board card fixing support 30 is pulled out along the reverse direction of the arrow of fig. 7, the HBA board card is taken out horizontally, the HBA card is taken out, the HBA board card is taken out in a complete process, the HBA board card is detached and assembled in the whole process, and meanwhile, the air guide cover 10 module is detached and assembled in the server.

The technical scheme of the invention has the beneficial effects that:

the design scheme of the invention breaks through the conventional thinking, and realizes the tool-free disassembly and assembly functions of the HBA board card by utilizing the space above the wind scooper 10, firstly, the board card fixing bracket 30 is fixed in an elliptical hole on the wind scooper 10 through a clamping hook, the HBA board card is aligned to a connector on the HBA riser card for insertion, and as the upper and lower directions of a U-shaped clamping groove on the wind scooper 10 are designed with inclined guide angles, the HBA board card can be automatically guided into the U-shaped clamping groove; then respectively pushing the board fixing brackets 30 at the left side and the right side, wherein the HBA board is automatically guided into the U-shaped clamping groove by the oblique guide angle of the U-shaped clamping groove on the board fixing bracket 30 in the up-down direction; the combined position of the board fixing bracket 30 and the wind scooper 10: when the board fixing support 30 is just pushed in, the oblique guide angle on the clamping hook on the elastic arm and the oblique guide angle on the wind scooper 10 interact, the elastic arm is elastically deformed by extrusion contact, after the board fixing support 30 is pushed in place, the clamping hook on the elastic arm just falls into the clamping hole on the wind scooper 10, and at the moment, the board fixing support 30 firmly fixes the HBA board on the wind scooper 10. And then the elastic X-shaped hole 15 and the boss on the air guide cover 10 module are aligned to the spherical rivet and the square hole on the case 40 to assemble downwards, when the spherical rivet is touched by the elastic X-shaped hole 15, the spherical rivet can extrude the elastic X-shaped hole 15 to elastically deform and expand, after the spherical rivet is in place, the elastic X-shaped hole can be reset, under the condition of no external force, the air guide cover 10 module is fixed on the case 40, then the upper cover is assembled, the upper cover can press the round salient point on the air guide cover 10 to fix the air guide cover 10 module for the second time, at the moment, the whole HBA card air guide cover 10 module is firmly fixed in the case 40, and the whole process is tool-free when the air guide cover 10 module is disassembled and assembled in a server.

The invention can realize the function of quickly and laborsaving and tool-free disassembly and assembly of the HBA card module by utilizing the space above the wind scooper 10 and utilizing extremely limited space, can realize quick maintenance and replacement of internal modules and components, and ensures smooth operation of business. Meanwhile, a large amount of manpower and material resources of a server assembly factory are saved.

The structure not only can be used on the HBA card, but also can be used on some self-grinding board cards to realize tool-free disassembly and assembly.

The main protection content of the invention is that an expansion card is arranged in the server and is fixed on the wind scooper without tool disassembly and assembly, the structure is characterized in that a U-shaped groove is designed on the wind scooper, the upper and lower directions of the U-shaped groove are both provided with oblique guide angles, and in the process of inserting the HBA board card, the oblique guide angles on the U-shaped groove can automatically guide the HBA board card into the U-shaped groove, thereby realizing the function of fixing the HBA card in the U-shaped groove.

The invention relates to a tool-free disassembly and assembly structure applied to a built-in expansion card of a server and fixed on a wind scooper, in particular to an HBA card for fixing the server, which can also be used for PCIE expansion cards. The board fixing support is provided with a U-shaped groove, an inclined guide angle is arranged in the up-down direction of the U-shaped groove, and the board fixing support can automatically guide the HBA board into the U-shaped groove in the pushing process; the combined position of the board fixing support and the air guide cover: the elastic arm is designed on the board card fixing support, the boss clamping hook is arranged on the elastic arm, one side of the boss clamping hook is a right angle, one side of the boss clamping hook is a tilting angle, when the board card fixing support is pushed in, the tilting angle on the clamping hook on the elastic arm interacts with the tilting angle on the wind scooper, the elastic arm is elastically deformed by extrusion touch, after the board card fixing support is pushed in place, at the moment, the clamping hook on the elastic arm just falls into the clamping hole on the wind scooper, and at the moment, the board card fixing support firmly fixes the HBA board card on the wind scooper.

The utility model provides a be applied to built-in expansion card of server and be fixed in structure of exempting from instrument dismouting on the wind scooper, its structural feature: the elastic X-shaped clamping holes are designed on the air guide cover, when the air guide cover module is arranged in the case, the elastic X-shaped holes are pressed by the spherical rivets to elastically deform and expand when the spherical rivets touch the spherical holes, and when the elastic X-shaped holes pass through the spherical shapes on the spherical rivets, the elastic X-shaped holes are reset, so that the air guide cover module is fixed on the case under the condition of no external force.

The structural design scheme has reliable functions and convenient realization, thus being widely and continuously applied in the subsequent mass production during the configuration shipment

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present application, it should be understood that, where azimuth terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal", and "top, bottom", etc., indicate azimuth or positional relationships generally based on those shown in the drawings, only for convenience of description and simplification of the description, these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A server expansion card fixing structure, characterized by comprising:

the air guide cover (10) is used for radiating heat of the server main board, wherein a positioning clamping groove (11) is formed in the air guide cover (10) and used for positioning the expansion card (20);

the board card fixing assembly is connected with the air guide cover (10) in a clamping mode, and is used for fixing the expansion card (20) on the air guide cover (10).

2. The server expansion card fixing structure according to claim 1, wherein the board fixing assembly comprises at least two board fixing brackets (30), and a plurality of the board fixing brackets (30) are symmetrically disposed at both sides of the expansion card (20) and respectively connected with the wind scooper (10) in a clamping manner so as to be used for fixing both sides of the expansion card (20).

3. The server expansion card fixing structure according to claim 2, wherein a plurality of guide hooks (31) are provided on the board card fixing bracket (30), a plurality of guide holes (12) are provided on the air guide cover (10), the plurality of guide holes (12) are provided in one-to-one correspondence with the plurality of guide hooks (31), wherein the guide holes (12) are strip-shaped holes, the plurality of strip-shaped holes are arranged in parallel, and each guide hook (31) is slidably provided in a corresponding strip-shaped hole so that the board card fixing bracket (30) moves along the extending direction of the strip-shaped hole.

4. A server expansion card fixing structure according to claim 3, wherein the board fixing bracket (30) is provided with a positioning protrusion (32), the wind scooper (10) is provided with a positioning hole (13), and the positioning protrusion (32) cooperates with the positioning hole (13) to fix the board fixing bracket (30) on the wind scooper (10).

5. The server expansion card fixing structure according to claim 4, wherein the positioning projections (32) are provided with first guide surfaces at both ends in the extending direction of the strip-shaped hole for guiding the positioning projections (32) into the positioning holes (13), and/or

Second guide surfaces are arranged at two ends of the positioning hole (13) along the extending direction of the strip-shaped hole, so that the positioning protrusion (32) slides into the positioning hole (13) along the second guide surfaces.

6. The server expansion card fixing structure according to claim 2, wherein the wind scooper (10) is further provided with a plurality of limiting bosses (14), and the limiting bosses (14) are arranged in one-to-one correspondence with the plurality of board fixing brackets (30) so as to limit the relative positions of the board fixing brackets (30) and the wind scooper (10).

7. The server expansion card fixing structure according to claim 2, wherein the board fixing bracket (30) is provided with a pushing portion (33) for pushing the expansion card (20) into the positioning card slot (11).

8. The server expansion card fixing structure according to claim 1, wherein the positioning card slot (11) is a U-shaped slot, and a guide opening is provided at an end of the U-shaped slot so that the expansion card (20) is snapped into the U-shaped slot along the guide opening.

9. A server, comprising: chassis (40), server motherboard and server expansion card fixing structure, wherein the server motherboard and the server expansion card fixing structure are disposed within the chassis (40), the server expansion card fixing structure being the server expansion card fixing structure of any one of claims 1 to 8.

10. The server according to claim 9, wherein a spherical protrusion (41) is provided on the chassis (40), and an elastic X-shaped hole (15) is provided on the wind scooper (10), and the spherical protrusion (41) passes through the elastic X-shaped hole (15) to fix the wind scooper (10) on the chassis (40).