Hardware module expansion structure capable of being flexibly selected and matched and server host

Abstract

The utility model discloses a hardware module expansion structure capable of being flexibly selected and matched and a server host, which are applied to a case of the server host and comprise a drawing cage assembly and a drawing network module, the case comprises a case body and a rear panel assembly, and the rear panel assembly is fixedly arranged at the rear end of the case body; the drawing cage assembly is fixedly arranged on the bottom panel of the case body, and one end of the drawing cage assembly abuts against the rear panel assembly; the drawing cage assembly and a bottom panel of the case body are enclosed to form a drawing network module mounting groove with four closed sides; the drawing network module is movably arranged in the drawing network module mounting groove; the rear end of the drawing network module is flush with the rear panel assembly. When the drawing network module needs to be replaced or maintained, only the drawing network module needs to be drawn out of the drawing network module installation groove, replacement or maintenance operation can be carried out, disassembly action is not needed, the operation convenience degree is improved, the rear panel assembly does not need to be changed, and cost is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of acquisition equipment, and in particular to a flexibly selectable hardware module expansion structure and a server host. Background Art

[0002] Security situation awareness and collection equipment can provide service agent functions for monitoring system network security, collecting security information of monitored objects, uploading events, etc. in the power industry. According to the IEC 61850 specification, security situation awareness and collection equipment needs to use a multi-functional network interface to realize network data transmission and collection between power plants / substations and control centers at all levels. Due to the particularity of the application environment of power industry equipment, especially the serious electromagnetic interference, the equipment is required to have excellent EMC performance and meet the power level 4 requirements.

[0003] According to the IEC 61850 specification requirements, the functional network interfaces of the security situation awareness collection equipment are all concentrated on the rear panel of the equipment. Among them, some network interfaces are fixed settings, and other network interfaces are optional configurations; for the fixed network interfaces, they are usually integrated on the main board of the equipment and fixedly placed inside the equipment; for the optional network interfaces, they are designed on a separate PCB board, made into an independent hardware module, electrically connected to the main board, and then fixed inside the equipment.

[0004] In this way, when the user has different requirements for the optional network interface, the user needs to remove the box cover and the rear panel in turn, and then separate the optional network interface from the chassis before replacing the new network interface, resulting in low operational convenience and long time consumption. At the same time, after the user replaces the new network interface, due to the different number and type of network interfaces, the shape of the openings required on the panel are also different, so the rear panel of the device needs to be replaced at the same time, resulting in increased costs. Summary of the invention

[0005] The embodiments of the present application provide a flexibly selectable hardware module expansion structure and a server host, aiming to solve the problems of low operational convenience and long time consumption when the user needs to replace the network interface in the prior art methods, and after replacing the new network interface, the rear panel of the device also needs to be replaced, resulting in increased costs.

[0006] In the first aspect, the present application discloses a flexibly selectable hardware module expansion structure, which is applied to a chassis of a server host, including a drawer cage assembly and a drawer network module; the chassis includes a chassis body and a rear panel assembly, and the rear panel assembly is fixedly arranged at the rear end of the chassis body;

[0007] The drawable cage assembly is fixedly arranged on the bottom panel of the chassis body, and one end of the drawable cage assembly is in contact with the rear panel assembly; the drawable cage assembly and the bottom panel of the chassis body are combined to form a four-sided closed drawable network module installation slot; the side wall of the drawable cage assembly is provided with a guide assembly;

[0008] The pull-out network module is movably arranged inside the pull-out network module installation slot; the rear end of the pull-out network module is flush with the rear panel assembly; the side wall height of the pull-out network module is smaller than the distance between the guide assembly and the bottom panel of the chassis body.

[0009] In a second aspect, the present application discloses a server host, including a flexibly selectable hardware module expansion structure as described in the first aspect.

[0010] The present application discloses a flexibly selectable hardware module expansion structure and a server host, and a chassis applied to the server host, including a pull-out cage assembly and a pull-out network module; the chassis includes a chassis body and a rear panel assembly, and the rear panel assembly is fixedly arranged at the rear end of the chassis body; the pull-out cage assembly is fixedly arranged on the bottom panel of the chassis body, and one end of the pull-out cage assembly abuts against the rear panel assembly; the pull-out cage assembly and the bottom panel of the chassis body are combined to form a four-sided closed pull-out network module installation groove; the side wall of the pull-out cage assembly is provided with a guide assembly; the pull-out network module is movably arranged inside the pull-out network module installation groove; the rear end of the pull-out network module is flush with the rear panel assembly; the side wall height of the pull-out network module is less than the distance between the guide assembly and the bottom panel of the chassis body. By installing the pull-out network module on the pull-out network module installation slot, when the pull-out network module is replaced, it is only necessary to pull the pull-out network module out of the pull-out network module installation slot to perform replacement or maintenance operations without disassembly, thereby improving the convenience of operation, and the rear panel components do not need to be changed, thereby reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0012] Figure 1 A schematic diagram of a flexibly selectable hardware module expansion structure and a server host provided in an embodiment of the present application;

[0013] Figure 2Another schematic diagram of a flexibly selectable hardware module expansion structure and a server host provided in an embodiment of the present application;

[0014] Figure 3 Another schematic diagram of a flexibly selectable hardware module expansion structure and a server host provided in an embodiment of the present application;

[0015] Figure 4 Another schematic diagram of a flexibly selectable hardware module expansion structure and a server host provided in an embodiment of the present application;

[0016] Figure 5 Another schematic diagram of a flexibly selectable hardware module expansion structure and a server host provided in an embodiment of the present application;

[0017] Figure 6 Another schematic diagram of a flexibly selectable hardware module expansion structure and a server host provided in an embodiment of the present application;

[0018] Figure 7 Another schematic diagram of a flexibly selectable hardware module expansion structure and a server host provided in an embodiment of the present application;

[0019] Figure 8 A schematic diagram of a flexible optional hardware module expansion structure and a drawer cage assembly of a server host provided in an embodiment of the present application;

[0020] Fig. 9 A schematic diagram of a left partition of a server host and a flexibly selectable hardware module expansion structure provided in an embodiment of the present application;

[0021] Fig.10 A schematic diagram of a flexibly selectable hardware module expansion structure and a middle partition of a server host provided in an embodiment of the present application;

[0022] Fig.11 A schematic diagram of a right partition of a server host and a flexibly selectable hardware module expansion structure provided in an embodiment of the present application;

[0023] Fig.12 A schematic diagram of the rear panel components of the flexibly selectable hardware module expansion structure and the server host provided in the embodiment of the present application;

[0024] Fig.13 Another schematic diagram of the rear panel components of the flexibly selectable hardware module expansion structure and the server host provided in the embodiment of the present application;

[0025] Fig.14 A schematic diagram of a first network module of a server host and a flexibly selectable hardware module expansion structure provided in an embodiment of the present application;

[0026] Fig.15 Schematic diagram of the flexible optional hardware module expansion structure and the pull-out bracket of the server host provided in the embodiment of the present application.

[0027] Among them, the reference numerals in the figures are as follows:

[0028] 10. Chassis; 101. Chassis body; 102. Rear panel assembly; 1021. Rear panel body; 1022. Fixing piece; 10221. Fixing piece body; 10222. Fixing surface; 20. Pull-out network module; 2011. Limiting panel; 2012. Module panel; 2013. Enhanced folding edge; 2014. Circuit board mounting surface; 2015. Unfastened bolts; 2021. Circuit board; 2022. Interface connector; 2023. Gold finger; 2024. Front end of circuit board; 30. Pull-out cage Components; 301, left partition; 3011, first vertical plate; 3012, first horizontal connecting plate; 3013, first pull-out track plate; 302, middle partition; 3021, second vertical plate; 3022, second horizontal connecting plate; 3023, second pull-out track plate; 303, right partition; 3031, third vertical plate; 3032, third horizontal connecting plate; 3033, third pull-out track plate; 304, upper cover; 305, guide column; 306, fourth pull-out track plate; 307, rear end of left partition. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0030] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.

[0031] It should also be understood that the terms used in this application specification are only for the purpose of describing specific embodiments and are not intended to limit the application. As used in this application specification and the appended claims, the singular forms "a", "an" and "the" are intended to include plural forms unless the context clearly indicates otherwise.

[0032] It should be further understood that the term “and / or” used in the specification and appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0033] See also Figures 1 to 15 .like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the embodiment of the present application provides a flexibly selectable hardware module expansion structure, which is applied to a chassis 10 of a server host, including a drawable cage assembly 30 and a drawable network module 20; the chassis 10 includes a chassis body 101 and a rear panel assembly 102, and the rear panel assembly 102 is fixedly arranged at the rear end of the chassis body 101;

[0034] The drawable cage assembly 30 is fixedly arranged on the bottom panel of the chassis body 101, and one end of the drawable cage assembly 30 abuts against the rear panel assembly 102; the drawable cage assembly 30 and the bottom panel of the chassis body 101 enclose a four-sided closed drawable network module installation slot; the side wall of the drawable cage assembly 30 is provided with a guide assembly;

[0035] The pull-out network module 20 is movably arranged inside the pull-out network module installation slot; the rear end of the pull-out network module 20 is flush with the rear panel assembly 102; the side wall height of the pull-out network module 20 is smaller than the distance between the guide assembly and the bottom panel of the chassis body 101.

[0036] In this embodiment, the flexibly optional hardware module expansion structure is mainly used on the chassis 10 of the server host; the flexibly optional hardware module expansion structure is composed of the drawer cage assembly 30 and the drawer network module, the chassis includes a chassis body 101 and a rear panel assembly 102, the rear panel assembly 102 is fixedly arranged at the rear end of the chassis body 101 (wherein, in this embodiment, the rear end is close to the rear panel assembly 102, and the rear end is far away from the rear panel assembly 102). The pull-out cage assembly 30 is fixedly arranged on the bottom panel of the chassis body 101, and one end of the pull-out cage assembly 30 is abutted against the rear panel assembly 102; the pull-out cage assembly 30 and the bottom panel of the chassis body 101 are combined to form a four-sided closed pull-out network module installation slot; the pull-out network module installation slot formed by the connection between the pull-out cage assembly 30 and the bottom panel of the chassis body 101 is a closed structure in the four directions of top, bottom, left and right, which can effectively prevent electromagnetic interference.

[0037] The side wall of the pull-out cage assembly 30 is provided with a guide assembly; the pull-out network module 20 is movably arranged inside the pull-out network module installation slot; the rear end of the pull-out network module 20 is flush with the rear panel assembly 102; the side wall height of the pull-out network module 20 is less than the distance between the guide assembly and the bottom panel of the chassis body 101; so that the pull-out network module 20 will be limited by the guide assembly when installed into the pull-out cage assembly 30, thereby preventing the front end of the pull-out network module 20 from warping up in the pull-out network module installation slot due to deviation in manual operation when the pull-out network module 20 is pulled, resulting in the pull-out network module 20 being unable to be smoothly installed into the pull-out network module installation slot.

[0038] The pull-out network module 20 is made into a pull-out structure through the flexibly optional hardware module expansion structure, so that when the pull-out network module 20 needs to be replaced, the network module to be replaced can be directly pulled out from the pull-out network module installation slot, and the replacement network module can be directly inserted into the pull-out network module installation slot to complete the replacement; the convenience of operation is improved, and the rear panel components do not need to be changed, thereby reducing costs.

[0039] In one embodiment, if Figure 1 , Fig.12 and Fig.13 As shown, the rear panel assembly 102 includes a rear panel body 1021 and a fixing member 1022; the rear panel body 1021 is fixedly arranged at the rear end of the chassis body 101, and the rear panel body 1021 is provided with a fixing member positioning groove; the fixing member 1022 is adapted to the fixing member positioning groove, and the fixing member 1022 is welded and fixed to the inner wall of the fixing member positioning groove;

[0040] One end of the drawer cage assembly 30 abuts against the fixing member 1022 .

[0041] In this embodiment, the rear panel assembly 102 is composed of the rear panel body 1021 and the fixing member 1022; the rear panel body 1021 is provided with the fixing member positioning groove, and the fixing member 1022 is fixed to the inner wall of the fixing member positioning groove of the rear panel body 1021 by welding; the fixing member 1022 can cover the fixing member positioning groove to prevent burrs on the fixing member positioning groove, and the fixing member 1022 is used to open a groove on the rear panel body 1021, so that after the rear panel body 1021 is fixed to the rear end of the chassis body 101, the inside of the chassis and the outside of the chassis can be connected through the fixing member 1022; wherein, one of the drawer cage assembly 30 The end abuts against the fixing part 1022, so that the pull-out cage assembly 30 can be connected to the outside of the chassis through the fixing part 1022; the fixing part may include the fixing part body 10221 and the fixing surface 10222, and the fixing part body 10221 and the fixing surface 10222 are integrally formed; the plane where the fixing part body 10221 is located is perpendicular to the plane where the fixing surface 10222 is located, and the plane where the fixing part body 10221 is located is parallel to the plane where the rear panel body 1021 is located; a threaded hole is provided on the fixing surface 10222, and when the device needs to install an expansion card, the key of the expansion card can be locked on the threaded hole of the fixing surface 10222.

[0042] In one embodiment, if Figure 8 , Fig. 9 , Fig.10 and Fig.11 As shown, the drawer cage assembly 30 includes a left partition 301, a middle partition 302, a right partition 303 and an upper cover 304;

[0043] The left partition plate 301, the middle partition plate 302, and the right partition plate 303 are arranged in parallel in sequence, the left partition plate 301 is connected to the left end of the bottom surface of the upper block cover 304, the middle partition plate 302 is connected to the middle part of the bottom surface of the upper block cover 304, and the right partition plate 303 is connected to the right end of the bottom surface of the upper block cover 304.

[0044] In this embodiment, the pull-out cage assembly 30 is composed of the left partition 301, the middle partition 302, the right partition 303 and the upper baffle 304. The left partition 301, the middle partition 302, and the right partition 303 are arranged in parallel in sequence. The left partition 301 is connected to the left end of the bottom surface of the upper baffle 304, the middle partition 302 is connected to the middle part of the bottom surface of the upper baffle 304, and the right partition 303 is connected to the right end of the bottom surface of the upper baffle 304, so that the pull-out cage assembly 30 forms two separated spaces, and the two separated spaces can respectively provide installation space for the pull-out network module 20; the upper baffle 304 is provided with a series of lightening holes, which can reduce the weight of the equipment without affecting the structural strength.

[0045] In one embodiment, if Figure 8 , Fig. 9 , Fig.10 and Fig.11 As shown, the left partition plate 301 includes a first vertical plate 3011, a first horizontal connecting plate 3012 and a first drawable rail plate 3013;

[0046] The first horizontal connecting plate 3012 is connected to the upper end of the first vertical plate 3011, the first pull-out rail plate 3013 is connected to the lower end of the first vertical plate 3011, the first horizontal connecting plate 3012 and the first pull-out rail plate 3013 are both perpendicular to the first vertical plate 3011, the first horizontal connecting plate 3012 and the first pull-out rail plate 3013 are both on the right side of the first vertical plate 3011, and the first horizontal connecting plate is detachably connected to the left end of the bottom end surface of the upper cover;

[0047] The middle partition plate 302 includes a second vertical plate 3021, a second horizontal connecting plate 3022 and a second pull-out rail plate 3023;

[0048] The second horizontal connecting plate 3022 is connected to the upper end of the second vertical plate 3021, and the second pull-out rail plate 3023 is connected to the lower end of the second vertical plate 3021. The second horizontal connecting plate 3022 and the second pull-out rail plate 3023 are both perpendicular to the second vertical plate 3021. The second horizontal connecting plate 3022 is on the left side of the second vertical plate 3021, and the second pull-out rail plate 3023 is on the right side of the second vertical plate 3021. The second horizontal connecting plate is detachably connected to the middle part of the bottom end surface of the upper cover;

[0049] The right partition plate 303 includes a third vertical plate 3031, a third horizontal connecting plate 3032 and a third drawable rail plate 3033;

[0050] The third horizontal connecting plate 3032 is connected to the upper end of the third vertical plate 3031, and the third pull-out rail plate 3033 is connected to the lower end of the third vertical plate 3031. The third horizontal connecting plate 3032 and the third pull-out rail plate 3033 are both perpendicular to the third vertical plate 3031. The third horizontal connecting plate 3032 and the third pull-out rail plate 3033 are both on the left side of the third vertical plate 3031, and the third horizontal connecting plate is detachably connected to the right end of the bottom end surface of the upper cover.

[0051] In this embodiment, each of the left partition 301, the middle partition 302 and the right partition 303 is formed by a whole plate through two bendings; wherein the upper end and the lower end of the left partition 301 are bent to the right by 90°, thereby dividing the left partition 301 into the first vertical plate 3011, the first horizontal connecting plate 3012 and the first pull-out track plate 3013; the upper end of the middle partition 302 is bent to the left by 90°, and the lower end is bent to the right by 90°, thereby dividing the middle partition 302 into the second vertical plate 3021, the second horizontal connecting plate 3022 and the second pull-out track plate 3023; the upper end and the lower end of the right partition 303 are bent to the left by 90°. Thereby, the right partition 303 is divided into the third vertical plate 3031, the third horizontal connecting plate 3032 and the third pull-out rail plate 3033; the first horizontal connecting plate 3012 of the left partition 301, the second horizontal connecting plate 3022 of the middle partition 302 and the third horizontal connecting plate 3032 of the right partition 303 are respectively fixed to the left end, the middle and the right end of the bottom end surface of the upper baffle 304, so that the left partition 301, the middle partition 302 and the right partition 303 are all connected to the upper baffle 304 to form the pull-out cage assembly 30, and the pull-out cage assembly 30 is divided into two pull-out cages by the middle partition 302, namely the left pull-out cage and the right pull-out cage.

[0052] In one embodiment, if Figure 8 , Fig. 9 , Fig.10 and Fig.11 As shown, the guide assembly includes a plurality of guide posts 305;

[0053] A plurality of guide posts 305 are fixed to the right side of the first vertical plate 3011 , the left side of the second vertical plate 3021 , the right side of the second vertical plate 3021 , and the left side of the third vertical plate 3031 , and each of the guide posts 305 is located on the same plane.

[0054] In this embodiment, the guide assembly includes a plurality of guide posts 305. Three guide posts 305 are fixed on the right side of the first vertical plate 3011, the left side of the second vertical plate 3021, the right side of the second vertical plate 3021, and the left side of the third vertical plate 3031. The guide posts 305 can be various types of rivets with circular cross-sections such as pins and nut posts. The three guide posts 305 fixed on the right side of the first vertical plate 3011 are used for illustration. Two guide posts 305 are close to each other at one end of the first vertical plate 3011, so that the pull-out network module 20 can quickly maintain a horizontal state in the initial stage of pushing in, avoiding the front end of the module from tilting up due to unbalanced manual force when pushing in. Another guide post 305 is far away from the first two and is located at the end of the other end of the first vertical plate 3011. When the network module is pushed to a position close to the end, the third guide post 305 can replace the first one, so that the two guide posts 305 are always in effect during the whole process of pushing the network module 20 into the drawer cage assembly 30.

[0055] In one embodiment, if Figure 3 , Figure 4 , Figure 7 and Figure 8 As shown, the first pull-out rail plate 3013 of the left partition 301, the second pull-out rail plate 3023 of the middle partition 302 and the third pull-out rail plate 3033 of the right partition 303 are all connected to the inner bottom surface of the chassis body 101 to form the pull-out groove, and the rear end 307 of the left partition, the rear end of the right partition and the rear end of the upper cover are all in contact with the inner wall surface of the fixing part.

[0056] In this embodiment, the drawer cage assembly 30 also includes a fourth drawer rail plate 306; the drawer groove includes a first drawer groove and a second drawer groove; the first drawer rail plate 3013 of the left partition 301, the second drawer rail plate 3023 of the middle partition 302, and the third drawer rail plate 3033 of the right partition 303 are all connected to the inner bottom surface of the chassis body 101, and the rear end 307 of the left partition, the rear end of the right partition, and the rear end of the upper cover are all in contact with the inner wall surface of the fixing member. At this time, the right drawer cage of the drawer cage assembly 30 is in contact with the chassis body 1 01, can form a first pull-out groove with the guide column 305 above; however, there is only the first pull-out rail plate 3013 at the connection between the left side of the pull-out cage assembly 30 and the inner bottom surface of the chassis body 101. At this time, the fourth pull-out rail plate 306 needs to be fixed to the inner bottom surface of the chassis body 101 and located on the left side of the middle partition plate 302, so that the first pull-out rail plate 3013 and the fourth pull-out rail plate 306 can form a second pull-out groove with the guide column 305 above.

[0057] In one embodiment, if Figure 1 , Fig.14 and Fig.15 As shown, the pull-out network module 20 includes a plurality of network modules, and the network module includes a pull-out bracket and a module board;

[0058] The module board is fixed on the pull-out bracket; the module board includes a circuit board 2021, an interface connector 2022 and a plurality of electronic components, the interface connector 2022 and the plurality of electronic components are fixed on the top of the circuit board 2021, and a gold finger 2023 is provided at the front end 2024 of the circuit board.

[0059] In this embodiment, the pull-out network module 20 includes multiple network modules, and only one of the network modules is used as an example for explanation in this embodiment; the network module includes the pull-out bracket and the module board, and the module board is fixed on the pull-out bracket; the module board is composed of the circuit board 2021, the interface connector 2022 and a number of electronic components, and the interface connector 2022 and a number of electronic components are all fixed on the top of the circuit board 2021, and the interface connector 2022 can be used to connect with the outside world; a gold finger 2023 is provided at the front end 2024 of the circuit board, wherein a main board is also provided inside the chassis body 101, and a groove compatible with the gold finger 2023 is provided at the end of the pull-out cage assembly 30 of the main board, and the gold finger 2023 is inserted into the corresponding groove to realize the connection between the module board and the main board, thereby realizing the corresponding network communication function.

[0060] In one embodiment, if Figure 1 , Fig.14 and Fig.15 As shown, the network module also includes a plurality of metal reeds;

[0061] A limiting panel 2011 is provided at the front end of the pull-out bracket, a module panel 2012 is provided at the rear end of the pull-out bracket, a reinforced folded edge 2013 is provided at the left end and the right end of the pull-out bracket, and a circuit board mounting surface 2014 is provided in the middle of the pull-out bracket; a plurality of the metal spring sheets are fixed to the reinforced folded edges at the left end and the right end of the pull-out bracket; the module panel 2012 is provided with an interface connector connecting groove and a non-loose bolt 2015, the circuit board 2021 is fixed on the circuit board mounting surface 2014, the interface connector 2022 matches the interface connector connecting groove, and the gold finger 2023 is located on the inner side of the limiting panel 2011.

[0062] In this embodiment, the network module also includes a plurality of metal springs, which are installed on the reinforced folded edges on the left and right sides of the pull-out bracket, and the reinforced folded edge is also provided on one side of the module panel 2012, and the metal spring is also installed on the reinforced folded edge. The metal spring has two functions: one is to increase the contact points between the pull-out bracket and each partition, and strengthen the electrical contact between the network module and the chassis (the function of the electrical contact here is: if leakage occurs, it will be guided to the chassis along the pull-out bracket, and the chassis is grounded); the second is that the metal spring is symmetrically arranged on the reinforced folded edge 2013. Since the metal spring itself has elastic properties, when the network module is pushed in the pull-out cage assembly 30, under the force of the metal springs on both sides squeezing toward the middle, It always maintains a centered position, increases the smoothness of pulling and avoiding friction and collision between the reinforced folded edge and the partitions; the module panel 2012 is provided with an interface connector connection groove and a non-loose bolt 2015, the circuit board 2021 is fixed on the circuit board mounting surface 2014, the interface connector 2022 matches the interface connector connection groove, the gold finger 2023 is located on the inner side of the two limit panels 2011, and the chassis is also provided with a limit point corresponding to the limit panel 2011. The limit point inside the chassis interacts with the limit panel 2011 so that after the network module is inserted into place, the network module cannot be pushed inward further; it can prevent the module panel 2012 from having an interference fit with the fixing part 1022, causing the module panel 2012 to deform and bend outward.

[0063] In one embodiment, if Figure 1 , Fig.12 , Fig.13 , Fig.14 and Fig.15 As shown, the network module passes through the fixing piece 1022 , and the captive bolt 2015 is screwed to the fixing piece 1022 , so that the network module is fixed in the drawer cage assembly 30 .

[0064] In this embodiment, an installation groove is provided in the middle of the fixing member 1022, and a screw hole is provided on the outer side of the installation groove of the fixing member 1022. The network module passes through the installation groove on the fixing member 1022, and then the captive bolts 2015 on the module panel 2012 are screwed to the screw holes on the fixing member 1022, so that the network module is fixed in the drawer cage assembly 30.

[0065] See also Figures 1 to 15 .like Figures 1 to 15 As shown, an embodiment of the present application further provides a server host, including a flexibly selectable hardware module expansion structure as described in any one of the above.

[0066] In this embodiment, the flexibly optional hardware module expansion structure can be installed on the server host, so that when the server host needs to replace the pull-out network module 20, the network module to be replaced can be directly pulled out from the pull-out network module installation slot, and the replacement network module can be directly inserted into the pull-out network module installation slot to complete the replacement; the operation convenience is improved, and the rear panel components of the server host do not need to be changed, thereby reducing costs.

[0067] The present application discloses a flexibly selectable hardware module expansion structure and a server host, and a chassis applied to the server host, including a pull-out cage assembly and a pull-out network module; the chassis includes a chassis body and a rear panel assembly, and the rear panel assembly is fixedly arranged at the rear end of the chassis body; the pull-out cage assembly is fixedly arranged on the bottom panel of the chassis body, and one end of the pull-out cage assembly abuts against the rear panel assembly; the pull-out cage assembly and the bottom panel of the chassis body are combined to form a four-sided closed pull-out network module installation groove; the side wall of the pull-out cage assembly is provided with a guide assembly; the pull-out network module is movably arranged inside the pull-out network module installation groove; the rear end of the pull-out network module is flush with the rear panel assembly; the side wall height of the pull-out network module is less than the distance between the guide assembly and the bottom panel of the chassis body. By installing the pull-out network module on the pull-out network module installation slot, when the pull-out network module is replaced, it is only necessary to pull the pull-out network module out of the pull-out network module installation slot to perform replacement or maintenance operations without disassembly, thereby improving the convenience of operation, and the rear panel components do not need to be changed, thereby reducing costs.

[0068] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed in the present application, and these modifications or replacements should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A flexibly selectable hardware module expansion structure, applied to the chassis of a server host, characterized in that: It includes a drawable cage assembly and a drawable network module; the chassis includes a chassis body and a rear panel assembly, and the rear panel assembly is fixedly arranged at the rear end of the chassis body; The drawable cage assembly is fixedly arranged on the bottom panel of the chassis body, and one end of the drawable cage assembly is in contact with the rear panel assembly; the drawable cage assembly and the bottom panel of the chassis body are combined to form a four-sided closed drawable network module installation slot; the side wall of the drawable cage assembly is provided with a guide assembly; The pull-out network module is movably arranged inside the pull-out network module installation slot; the rear end of the pull-out network module is flush with the rear panel assembly; the side wall height of the pull-out network module is smaller than the distance between the guide assembly and the bottom panel of the chassis body.

2. The flexibly selectable hardware module expansion structure according to claim 1 is characterized in that: The rear panel assembly includes a rear panel body and a fixing piece; the rear panel body is fixedly arranged at the rear end of the chassis body, and the rear panel body is provided with a fixing piece positioning groove; the fixing piece is adapted to the fixing piece positioning groove, and the fixing piece is welded and fixed to the inner wall of the fixing piece positioning groove; Wherein, one end of the drawer cage assembly abuts against the fixing member.

3. The flexibly selectable hardware module expansion structure according to claim 2 is characterized in that: The drawer cage assembly includes a left partition, a middle partition, a right partition and an upper cover; The left partition, the middle partition, and the right partition are arranged in parallel in sequence, the left partition is connected to the left end of the bottom surface of the upper cover, the middle partition is connected to the middle part of the bottom surface of the upper cover, and the right partition is connected to the right end of the bottom surface of the upper cover.

4. The flexibly selectable hardware module expansion structure according to claim 3 is characterized in that: The left partition includes a first vertical plate, a first horizontal connecting plate and a first drawable rail plate; The first horizontal connecting plate is connected to the upper end of the first vertical plate, the first pull-out rail plate is connected to the lower end of the first vertical plate, the first horizontal connecting plate and the first pull-out rail plate are both perpendicular to the first vertical plate, the first horizontal connecting plate and the first pull-out rail plate are both on the right side of the first vertical plate, and the first horizontal connecting plate is detachably connected to the left end of the bottom end surface of the upper blocking cover; The middle partition includes a second vertical plate, a second horizontal connecting plate and a second pull-out rail plate; The second horizontal connecting plate is connected to the upper end of the second vertical plate, the second pull-out rail plate is connected to the lower end of the second vertical plate, the second horizontal connecting plate and the second pull-out rail plate are both perpendicular to the second vertical plate, the second horizontal connecting plate is on the left side of the second vertical plate, the second pull-out rail plate is on the right side of the second vertical plate, and the second horizontal connecting plate is detachably connected to the middle part of the bottom end surface of the upper blocking cover; The right partition includes a third vertical plate, a third horizontal connecting plate and a third drawable rail plate; The third horizontal connecting plate is connected to the upper end of the third vertical plate, the third pull-out rail plate is connected to the lower end of the third vertical plate, the third horizontal connecting plate and the third pull-out rail plate are both perpendicular to the third vertical plate, the third horizontal connecting plate and the third pull-out rail plate are both on the left side of the third vertical plate, and the third horizontal connecting plate is detachably connected to the right end of the bottom end surface of the upper cover.

5. The flexibly selectable hardware module expansion structure according to claim 4 is characterized in that: The guide assembly includes a plurality of guide posts; A plurality of guide posts are fixed to the right side of the first vertical plate, the left side of the second vertical plate, the right side of the second vertical plate and the left side of the third vertical plate, and each of the guide posts is located on the same plane.

6. The flexibly selectable hardware module expansion structure according to claim 5 is characterized in that: The first pull-out rail plate of the left partition, the second pull-out rail plate of the middle partition, and the third pull-out rail plate of the right partition are all connected to the bottom panel of the chassis body to form the pull-out network module installation groove, and the rear end of the left partition, the rear end of the right partition, and the rear end of the upper cover are all abutted against the inner wall surface of the fixing part.

7. The flexibly selectable hardware module expansion structure according to claim 6 is characterized in that: The pull-out network module includes a plurality of network modules, and the network module includes a pull-out bracket and a module board; The module board is fixed on the pull-out bracket; the module board includes a circuit board, an interface connector and a plurality of electronic components, the interface connector and the plurality of electronic components are fixed on the circuit board, and a gold finger is provided at the front end of the circuit board.

8. The flexibly selectable hardware module expansion structure according to claim 7 is characterized in that: The network module also includes a plurality of metal reeds; A limiting panel is provided at the front end of the pull-out bracket, a module panel is provided at the rear end of the pull-out bracket, a reinforced folded edge is provided at the left end and the right end of the pull-out bracket, and a circuit board mounting surface is provided in the middle of the pull-out bracket; a plurality of the metal spring sheets are fixed to the reinforced folded edge at the left end of the pull-out bracket and the reinforced folded edge at the right end of the pull-out bracket; the module panel is provided with an interface connector connecting groove and a captive bolt, the circuit board is fixed on the circuit board mounting surface, the interface connector matches the interface connector connecting groove, and the gold finger is located on the inner side of the limiting panel.

9. The flexibly selectable hardware module expansion structure according to claim 8, characterized in that: The network module passes through the fixing piece, and the captive bolt is threadedly connected to the fixing piece, so that the network module is fixed in the drawer cage assembly.

10. A server host, characterized in that: It comprises a flexibly selectable hardware module expansion structure as described in any one of claims 1-9.

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