CN214623527U

CN214623527U - Network security server

Info

Publication number: CN214623527U
Application number: CN202120722386.2U
Authority: CN
Inventors: 刘华彬
Original assignee: Hefei Zhuoyi Hengtong Information Security Co Ltd
Current assignee: Hefei Zhuoyi Hengtong Information Security Co Ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-11-05
Anticipated expiration: 2031-04-08

Abstract

The utility model provides a network security server, including quick-witted case, power module, hard disk storage module, mainboard, switching unit, several expansion card tray and system fan module. The expansion card trays are stacked into a plurality of layers, the front panel and the rear panel are separated from the box body by the case, and the opening position of the front panel is only required to be changed for the expansion card trays with different layers, and the case is assembled without changing the design of the main body of the box body. On the other hand, the utility model discloses with tray support and keysets support like building blocks range upon range of setting, fixed connection mutually between the upper and lower floor can set up the expansion card tray of different quantity according to the different functional requirement of user, and then can install the expansion card of different quantity, satisfy user's various configuration demands.

Description

Network security server

Technical Field

The utility model relates to a computer equipment field especially relates to a network security server.

Background

A server, also known as a server, is one type of computer that can provide computing services. Since the server needs to respond to and process the service request, the server generally has the capability of assuming and securing the service. The server is configured to include a processor, a hard disk, a memory, a system bus, and the like, and is similar to a general Computer architecture, but it is faster, higher in load, and more expensive than a general Computer, and provides a computing or application service for other clients (such as a PC (Personal Computer), a smart phone, an ATM (Automated Teller Machine), and other terminals, even a large-sized device such as a train system, in a network. The server has high-speed Central Processing Unit (CPU) computing capability, long-time reliable operation, strong input/output (I/O) external data throughput capability and better expansibility.

The network safety server is a special computer which can provide services such as centralized computation, information publishing, data management and the like for network users in a network environment. In the current server design, in order to realize the server expansibility, a plurality of expansion slots are designed on a mainboard, along with the rapid development of technologies such as big data and cloud computing, the requirements on the performance of the server are higher and higher, and the server meets the requirements by designing and supporting more expansion cards. However, the expansion card and the expansion slot on the motherboard need to be electrically connected through other components such as the adapter card, and the space inside the server chassis needs to be occupied. And when a user puts forward a new function requirement, the new layout is needed, and the structure of the network security server chassis is redesigned.

Therefore, there is a need to provide a network security server capable of quickly and flexibly obtaining different numbers of expansion cards according to different configuration requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a network security server, through with tray support and keysets support like building blocks range upon range of setting, fixed connection of each other between the upper and lower floor to can require according to different configurations, install the expansion card of different quantity.

In order to achieve the above object, the utility model provides a network security server, which comprises a case, a power supply bracket, a hard disk bracket, a mainboard, a switching unit, a plurality of tray brackets and a system fan module;

the case comprises a case body, a front panel, a rear panel and a cover plate; the box body is U-shaped and comprises a bottom plate, a first side wall and a second side wall which are respectively connected to two sides of the bottom plate, and a plurality of support fixing beams, two ends of each support fixing beam are respectively fixedly connected to the first side wall and the second side wall; the front panel and the rear panel are respectively arranged at two ends of the box body; the cover plate is opposite to the bottom plate and is arranged on the first side wall and the second side wall;

the power supply bracket, the hard disk bracket, the mainboard, the switching unit, the plurality of tray brackets and the system fan module are all positioned in the case;

the power supply bracket is used for mounting a power supply module, and the hard disk bracket is used for mounting a hard disk storage module;

the tray bracket is positioned at one end of the box body close to the front panel; the tray bracket is used for mounting an expansion card tray, and the expansion card tray is used for mounting an expansion card;

the main board is arranged on the bottom board, and the switching unit is electrically connected with the main board and the expansion card, so that the electric connection between the main board and the expansion card is realized, and the expansion of the functions of the main board is further realized;

the tray supports are arranged in a stacking mode along the direction far away from the bottom plate to form at least three layers; the layer of tray support closest to the bottom plate is a first layer of tray support, and the upper layer of the first layer of tray support is a second layer of tray support; the first layer of tray support and the main board are arranged on the same layer, and the lower end of the first layer of tray support is fixedly connected with the box body; the upper end of the layer of tray bracket farthest from the bottom plate is fixedly connected with the bracket fixing beam; the stacked tray supports are fixedly connected.

The mainboard is a standard mainboard; a vertical X16PCIE slot is arranged on the mainboard close to the first side wall, and a horizontal X16PCIE slot is arranged at one end of the mainboard close to the second side wall;

the expansion card is a standard expansion card and can be detachably and fixedly arranged on the expansion card tray; the size of the expansion card tray and the size of the tray bracket are standard sizes so as to be suitable for the expansion card.

The adapter unit comprises a first adapter plate, a plurality of adapter plate brackets, a second adapter plate arranged on the adapter plate brackets and a third adapter plate;

the first adapter plate and the main board are arranged on the same layer;

one end of the first adapter plate, which is close to the mainboard, is provided with a bridge plate, and the bridge plate is matched with a horizontal X16PCIE slot of the mainboard to realize the electrical connection with the mainboard; one end of the first adapter plate, which is close to the tray bracket, is provided with two horizontal X8 PCIE slots which can be respectively and electrically connected with two expansion cards;

except the first layer of tray support, a plurality of adapter plate supports are respectively arranged in the same layer with the rest layers of tray supports and are arranged in a stacked manner and positioned above the main board;

a connecting plate is arranged between the adapter plate bracket and the main plate which are arranged on the same layer as the second layer of tray bracket, one end of the connecting plate is electrically connected with the second adapter plate, and the other end of the connecting plate is electrically connected with the main plate through a vertical X16PCIE slot; a connecting plate is also arranged between the adjacent adapter plate brackets, and two ends of the connecting plate are respectively and electrically connected with two adjacent second adapter plates; one end, close to the tray support, of the second adapter plate is provided with three horizontal X8 PCIE slots which can be respectively and electrically connected with three expansion cards;

the first adapter plate is also provided with an adapter plate connector for electrically connecting with a third adapter plate; the third adapter plate is provided with a plurality of rows of vertical X8 PCIE slots, except for the first layer of tray support, the plurality of rows of vertical X8 PCIE slots are respectively arranged on the same layer with the rest layers of tray supports, and the number of each row of vertical X8 PCIE slots is two, so that the vertical X8 PCIE slots can be respectively and electrically connected with two expansion cards.

The upper end of the adapter plate bracket arranged on the same layer as the second layer of tray bracket is fixedly connected with the adapter plate bracket on the upper layer;

the upper end of the adapter plate bracket arranged on the same layer as the tray bracket on the layer farthest from the bottom plate is fixedly connected with the bracket fixing beam, and the lower end of the adapter plate bracket is fixedly connected with the adapter plate bracket on the lower layer;

except the adapter plate supports arranged on the same layer as the second layer and the tray support on the layer farthest from the bottom plate, the upper ends of the adapter plate supports on the other layers are fixedly connected with the adapter plate support on the upper layer, and the lower ends of the adapter plate supports on the lower layer are fixedly connected with the adapter plate support on the lower layer.

The two ends of the box body are provided with a plurality of folded edges protruding towards the interior of the case, and the folded edges are provided with a plurality of tapping teeth; a plurality of through holes corresponding to a plurality of tapping teeth are respectively arranged at two ends of the front panel and the rear panel; and a plurality of countersunk screws respectively penetrate through the plurality of through holes and the corresponding hems and tapping, so that the front panel, the rear panel and the box body are fixedly installed.

The tray support comprises a first support body and two first side wall supports which are respectively connected with two ends of the first support body; the first side wall bracket is L-shaped and comprises a first vertical edge vertically connected with the first bracket body and a first horizontal edge vertically connected with the first vertical edge;

the expansion card tray is supported by the two first horizontal edges and can be pulled back and forth so as to be convenient for installing the expansion card;

and the first vertical edge is provided with a mounting plate for realizing the fixed connection with the expansion card tray.

Two first horizontal edges of the first layer of tray support and the bottom plate of the box body are fixed through a plurality of pull nails; and the adjacent tray supports and the first support body and the support fixing beam are fixed through a plurality of screws.

A panel opening is formed in the front panel corresponding to the expansion card tray, so that the expansion card tray is exposed.

The expansion card tray is locked on the mounting plate through a hand-screwed screw, so that the expansion card tray is fixedly mounted on the tray bracket.

The adapter plate bracket comprises a second bracket body and two second side wall brackets which are respectively connected with two ends of the second bracket body; the second side wall bracket is L-shaped and comprises a second vertical edge vertically connected with the second bracket body and a second horizontal edge vertically connected with the second vertical edge;

two ends of the second adapter plate are respectively and fixedly connected with the two second horizontal edges, so that the second adapter plate and the adapter plate bracket are fixedly installed;

the second support body is provided with an avoiding opening corresponding to the connecting plate, so that the electric connection between the connecting plate and the upper second adapter plate is not affected.

The utility model has the advantages that: the utility model provides a pair of network security server, including quick-witted case, power module, hard disk storage module, mainboard, switching unit, several expansion card tray and system fan module. The case comprises a case body, a front panel, a rear panel and a cover plate, wherein the expansion card trays are stacked into a plurality of layers. The front panel and the rear panel are separated from the box body by the case, and the opening position of the panel of the front panel is only required to be changed for the expansion card trays with different layers, and the case is assembled without changing the design of the main body of the box body. On the other hand, the utility model discloses with tray support and keysets support like building blocks range upon range of setting, fixed connection mutually between the upper and lower floor can set up the expansion card tray of different quantity according to the different functional requirement of user, and then can install the expansion card of different quantity, satisfy user's various configuration demands.

Drawings

For a better understanding of the features and technical content of the present invention, reference should be made to the following detailed description of the present invention and accompanying drawings, which are provided for the purpose of illustration and description and are not intended to limit the present invention.

In the drawings, there is shown in the drawings,

fig. 1 is a schematic plan view of the network security server of the present invention;

fig. 2 is a partial perspective exploded view of the network security server of the present invention;

fig. 3 is a three-dimensional exploded view of the electrical connection of the adapting unit, the expansion card and the main board of the present invention;

fig. 4 is a schematic perspective view of the case of the present invention;

fig. 5 is an enlarged view of the present invention corresponding to a in fig. 4;

FIG. 6 is a partial perspective view of the junction between the front and rear panels and the case body of the case of the present invention;

FIG. 7 is a schematic plan view of the junction between the front and rear panels and the case body of the case of the present invention;

FIG. 8 is a schematic view of the connection between the box body and the tray support of the present invention;

fig. 9 is a schematic view of the connection between the expansion card tray and the tray bracket of the present invention;

fig. 10 is a schematic perspective view of the adapter plate bracket of the present invention mounting a second adapter plate and the adapter plate bracket fixedly connected to the chassis;

fig. 11 is a schematic view of the front panel when the tray support of the present invention is configured with three layers;

fig. 12 is a schematic view of the front panel when the tray support of the present invention is configured with four layers;

fig. 13 is a schematic view of the front panel of the tray support of the present invention with five layers.

Detailed Description

To further illustrate the technical means and effects of the present invention, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Referring to fig. 1 to 13, the present invention provides a network security server, which includes a case 1, a power supply bracket 20, a hard disk bracket 30, a motherboard 4, a switching unit 5, a plurality of tray brackets 60, and a system fan module 7.

Specifically, the chassis 1 includes a box body 11, a front panel 12, a rear panel 13, and a cover plate 14; the box body 11 is U-shaped, and the box body 11 includes a bottom plate 110, a first side wall 111 and a second side wall 112 respectively connected to two sides of the bottom plate 110, and a plurality of bracket fixing beams 15 with two ends respectively fixedly connected to the first side wall 111 and the second side wall 112; the front panel 12 and the rear panel 13 are respectively arranged at two ends of the box body 11; the cover plate 14 is mounted on the first side wall 111 and the second side wall 112 opposite to the bottom plate 110.

Specifically, the power bracket 20, the hard disk bracket 30, the motherboard 4, the adapting unit 5, the plurality of tray brackets 60, and the system fan module 7 are all located in the chassis 1.

Specifically, the power bracket 20 and the main board 4 are sequentially arranged along a direction away from the rear panel 13 and close to the first side wall 111 of the box 11; the system fan module 7 and the hard disk holder 30 are sequentially disposed in a direction away from the rear panel 13 and close to the second side wall 112 of the box body 11.

Optionally, the system fan module 7 is mounted on the back panel 13.

Specifically, the power supply bracket 20 is used for mounting the power supply module 2, and the hard disk bracket 30 is used for mounting the hard disk storage module 3.

Specifically, the tray support 60 is located at an end of the case 11 near the front panel 12. The tray support 60 is used for mounting the expansion card tray 6, and the expansion card tray 6 is used for mounting the expansion card 62.

Specifically, the motherboard 4 is installed on the bottom board 110, and the switching unit 5 is electrically connected to both the motherboard 4 and the expansion card 62, so as to electrically connect the motherboard 4 and the expansion card 62, and further expand the functions of the motherboard 4.

As shown in fig. 4 to 7, two ends of the box 11 are respectively provided with a plurality of folded edges 113 protruding towards the inside of the chassis 1, the folded edges 113 are provided with a plurality of tapping elements 1131, and two ends of the front panel 12 and the rear panel 13 are respectively provided with a plurality of through holes 121 corresponding to the plurality of tapping elements 1131. The countersunk head screws 8 respectively pass through the through holes 121 and the corresponding hems 113 and the tapping 1131, so that the front panel 12 and the rear panel 13 are fixedly mounted on the box body 11. The countersunk head screws 8 can also ensure that the surfaces of the front panel 12 and the rear panel 13 are smooth.

Specifically, the tray supports 60 are stacked in at least three layers in a direction away from the bottom plate 110 (i.e., in a direction from bottom to top). The tray support 60 closest to the bottom plate 110 is the first tray support 60, the first tray support 60 and the main board 4 are arranged in the same layer, the second tray support 60 is arranged above the main board 4 and the first tray support 60, the third tray support 60 is arranged above the second tray support 60, the fourth tray support 60 is arranged above the third tray support 60, … …, and so on.

Specifically, the lower end of the first-layer tray support 60 is fixedly connected with the box body 11; the upper end of the tray support 60 of the layer farthest from the bottom plate 110 is fixedly connected with the support fixing beam 15; the stacked tray supports 60 are fixedly coupled to each other.

Specifically, the motherboard 4 is a standard-type motherboard, i.e., atx (advanced Technology extended) motherboard, commonly referred to as "large board", and has a size of 305mm × 244 mm. A vertical X16PCIE (peripheral component interconnect express, high-speed serial computer expansion bus) slot 41 is disposed on the motherboard 4 near the first sidewall 111; one end of the motherboard 4 close to the second sidewall 112 is provided with a horizontal X16PCIE slot 42.

Further, the expansion card 62 can be detachably and fixedly mounted on the expansion card tray 6, and the expansion card 62 is a standard expansion card (PCIE card), that is, the size of the expansion card 62 is set to a standard size. And the dimensions of the expansion card tray 6 and the tray support 60 are also standard dimensions so as to be compatible with the expansion card 62.

Specifically, the adaptor unit 5 includes a first adaptor plate 51, a plurality of adaptor plate brackets 50, a second adaptor plate 52 mounted on the adaptor plate brackets 50, and a third adaptor plate 53.

The first adapter plate 51 is disposed on the same layer as the main board 4.

One end of the first adapter plate 51, which is close to the motherboard 4, is provided with a bridge piece 511, which is matched with the horizontal X16PCIE slot 42 of the motherboard 4 to realize electrical connection with the motherboard 4; one end of the first adapter plate 51, which is close to the tray bracket 60, is provided with two horizontal X8 PCIE slots, which can be electrically connected to two expansion cards 62, respectively.

Except for the first layer of tray support 60, the plurality of adapter plate supports 50 are respectively arranged on the same layer with the rest layers of tray supports 60, and are arranged in a stacked manner and positioned above the main board 4.

A connecting plate 9 is arranged between the adapter plate bracket 50 and the main board 4 which are arranged on the same layer as the second layer tray bracket 60, one end of the connecting plate 9 is electrically connected with the second adapter plate 52, and the other end is electrically connected with the main board 4 through a vertical X16PCIE slot 41; a connecting plate 9 is also arranged between the adjacent adapter plate brackets 50, and two ends of the connecting plate 9 are respectively and electrically connected with two adjacent second adapter plates 52; one end of the second interposer 52 close to the tray bracket 60 is provided with three horizontal X8 PCIE slots, which can be electrically connected to the three expansion cards 62 respectively.

The first adapter plate 51 is further provided with an adapter plate connector 512 for electrically connecting with the third adapter plate 53; the third adapter plate 53 is provided with a plurality of rows of vertical X8 PCIE slots, except for the first layer of tray support 60, the plurality of rows of vertical X8 PCIE slots are respectively disposed on the same layer as the rest layers of tray supports 60, and the number of vertical X8 PCIE slots in each row is two, and the vertical X8 PCIE slots can be respectively electrically connected to the two expansion cards 62.

Specifically, the upper end of the interposer support 50 disposed on the same layer as the second layer tray support 60 is fixedly connected to the interposer support 50 on the upper layer.

The upper end of the adapter plate bracket 50 arranged on the same layer as the tray bracket 60 on the layer farthest from the bottom plate 110 is fixedly connected with the bracket fixing beam 15, and the lower end is fixedly connected with the adapter plate bracket 50 on the lower layer.

Except the adapter plate brackets 50 arranged on the same layer as the tray bracket 60 on the second layer and on the layer farthest from the bottom plate 110, the upper ends of the adapter plate brackets 50 on the other layers are fixedly connected with the adapter plate bracket 50 on the upper layer, and the lower ends of the adapter plate brackets 50 on the lower layer are fixedly connected with the adapter plate bracket 50 on the lower layer.

Alternatively, the adapter plate brackets 50 and the bracket fixing beams 15 may be fixed by a plurality of screws 10.

It is required to explain, the utility model discloses a with tray support and keysets support like taking building blocks to range upon range of setting, fixed connection mutually between the upper and lower floor can set up the expansion card tray of different quantity according to the different functional requirement of user, and then can install the expansion card of different quantity, satisfy user's various configuration demands.

Specifically, as shown in fig. 9, the tray support 60 includes a first support body 601 and two first sidewall supports 602 connected to both ends of the first support body 601, respectively, the first sidewall supports 602 are L-shaped, and the first sidewall supports 602 include a first vertical side 6021 vertically connected to the first support body 601 and a first horizontal side 6022 vertically connected to the first vertical side 6021.

The expansion card tray 6 is supported by two first horizontal sides 6022 and may be pulled back and forth to facilitate installation of the expansion cards 62.

Alternatively, as shown in fig. 8, the two first horizontal sides 6022 of the first layer tray support 60 and the bottom plate 110 of the box body 11 are fixed by a plurality of pull nails 101; the adjacent tray brackets 60 and the first bracket body 601 and the bracket fixing beam 15 are also fixed by a plurality of screws 10.

Specifically, a mounting plate 60211 is provided on the first vertical edge 6021 for fixedly connecting with the expansion card tray 6.

Optionally, the expansion card tray 6 is locked to the mounting plate 60211 by the thumb screw 100, thereby fixedly mounting the expansion card tray 6 to the tray bracket 60.

Preferably, a plurality of limit protrusions 6023 are also disposed on the first vertical edge 6021 to position the expansion card tray 6.

Specifically, a panel opening 122 is provided on the front panel 12 corresponding to the expansion card tray 6, so as to expose the expansion card tray 6. As shown in fig. 11 to 13, the front panel 12 is a schematic plan view when the tray support 60 has three, four and five layers.

It should be noted that, in other embodiments, the expansion card 62 is not installed in each expansion card tray 6, that is, a part of the expansion card tray 6 may be left empty, and the functions of the expansion cards 62 of other expansion card trays 6 may not be affected. The user can select arbitrary number of expansion cards 62 to realize the expansion of the function of the main board 4 according to the requirement, and the utility model discloses do not do the restriction to this.

Specifically, as shown in fig. 10, the interposer support 50 includes a second support body 501 and two second sidewall supports 502 respectively connected to two ends of the second support body 501, the second sidewall supports 502 are "L" shaped, and the second sidewall supports 502 include a second vertical edge 5021 vertically connected to the second support body 501 and a second horizontal edge 5022 vertically connected to the second vertical edge 5021.

Two ends of the second adapter plate 52 are respectively and fixedly connected with the two second horizontal edges 5022, so that the second adapter plate 52 and the adapter plate bracket 50 are fixedly installed.

Optionally, the two ends of the second adaptor plate 52 and the two second horizontal edges 5022 can also be fixed by a plurality of screws 10.

Specifically, the second bracket body 501 is provided with a clearance opening 5011 corresponding to the connecting plate 9, so as not to affect the electrical connection between the connecting plate 9 and the upper second adaptor plate 52.

Preferably, the number of the bracket fixing beams 15 is three, the middle bracket fixing beam 15 is fixedly connected with the upper end of the tray bracket 60 on the uppermost layer and the upper end of the adapter plate bracket 50, the bracket fixing beam 15 close to the front panel 12 is fixedly connected with the upper end of the tray bracket 60 on the uppermost layer, and the bracket fixing beam 15 close to the rear panel 13 is fixedly connected with the upper end of the adapter plate bracket 50 on the uppermost layer.

To sum up, the utility model provides a pair of network security server, including quick-witted case, power module, hard disk storage module, mainboard, switching unit, several expansion card tray, and system fan module. The case comprises a case body, a front panel, a rear panel and a cover plate, wherein the expansion card trays are stacked into a plurality of layers. The front panel and the rear panel are separated from the box body by the case, and the opening position of the panel of the front panel is only required to be changed for the expansion card trays with different layers, and the case is assembled without changing the design of the main body of the box body. On the other hand, the utility model discloses with tray support and keysets support like building blocks range upon range of setting, fixed connection mutually between the upper and lower floor can set up the expansion card tray of different quantity according to the different functional requirement of user, and then can install the expansion card of different quantity, satisfy user's various configuration demands.

From the above, it is obvious to those skilled in the art that various other changes and modifications can be made according to the technical solution and the technical idea of the present invention, and all such changes and modifications should fall within the protective scope of the appended claims.

Claims

1. A network security server is characterized by comprising a case (1), a power supply bracket (20), a hard disk bracket (30), a mainboard (4), a switching unit (5), a plurality of tray brackets (60) and a system fan module (7);

the case (1) comprises a case body (11), a front panel (12), a rear panel (13) and a cover plate (14); the box body (11) is U-shaped, and the box body (11) comprises a bottom plate (110), a first side wall (111) and a second side wall (112) which are respectively connected to two sides of the bottom plate (110), and a plurality of support fixing beams (15) of which two ends are respectively fixedly connected to the first side wall (111) and the second side wall (112); the front panel (12) and the rear panel (13) are respectively arranged at two ends of the box body (11); the cover plate (14) is opposite to the bottom plate (110) and is arranged on the first side wall (111) and the second side wall (112);

the power supply bracket (20), the hard disk bracket (30), the mainboard (4), the switching unit (5), the plurality of tray brackets (60) and the system fan module (7) are all positioned in the case (1);

the power supply bracket (20) is used for mounting a power supply module (2), and the hard disk bracket (30) is used for mounting a hard disk storage module (3);

the tray bracket (60) is positioned at one end of the box body (11) close to the front panel (12); the tray bracket (60) is used for mounting an expansion card tray (6), and the expansion card tray (6) is used for mounting an expansion card (62);

the main board (4) is arranged on the bottom board (110), and the switching unit (5) is electrically connected with the main board (4) and the expansion card (62), so that the electric connection between the main board (4) and the expansion card (62) is realized, and the function of the main board (4) is further expanded;

the tray supports (60) are arranged in a stacking manner along the direction far away from the bottom plate (110) to form at least three layers; the layer of tray support (60) closest to the bottom plate (110) is a first layer of tray support (60), and the upper layer of the first layer of tray support (60) is a second layer of tray support (60); the first layer of tray support (60) and the main board (4) are arranged on the same layer, and the lower end of the first layer of tray support (60) is fixedly connected with the box body (11); the upper end of the layer of tray support (60) farthest away from the bottom plate (110) is fixedly connected with the support fixing beam (15); the stacked tray supports (60) are fixedly connected with each other.

2. The network security server according to claim 1, wherein the motherboard (4) is a standard type motherboard; a vertical X16PCIE slot (41) is arranged on the main board (4) close to the first side wall (111), and a horizontal X16PCIE slot (42) is arranged at one end of the main board (4) close to the second side wall (112);

the expansion card (62) is a standard expansion card, and the expansion card (62) can be detachably and fixedly arranged on the expansion card tray (6); the size of the expansion card tray (6) and the tray bracket (60) is standard size so as to be suitable for the expansion card (62).

3. The network security server according to claim 2, wherein the patch unit (5) comprises a first patch panel (51), a plurality of patch panel holders (50), a second patch panel (52) mounted on the patch panel holders (50), and a third patch panel (53);

the first adapter plate (51) and the main board (4) are arranged on the same layer;

one end, close to the mainboard (4), of the first adapter plate (51) is provided with a bridge piece (511) which is matched with a horizontal X16PCIE slot (42) of the mainboard (4) to realize the electrical connection with the mainboard (4); one end of the first adapter plate (51) close to the tray bracket (60) is provided with two horizontal X8 PCIE slots which can be respectively and electrically connected with two expansion cards (62);

except the first layer of tray support (60), a plurality of adapter plate supports (50) are respectively arranged in the same layer with the rest layers of tray supports (60), and are arranged in a stacking manner and positioned above the main board (4);

a connecting plate (9) is arranged between the adapter plate bracket (50) and the main board (4) which are arranged on the same layer as the second layer tray bracket (60), one end of the connecting plate (9) is electrically connected with the second adapter plate (52), and the other end is electrically connected with the main board (4) through a vertical X16PCIE slot (41); a connecting plate (9) is also arranged between the adjacent adapter plate brackets (50), and two ends of the connecting plate (9) are respectively and electrically connected with two adjacent second adapter plates (52); one end, close to the tray bracket (60), of the second adapter plate (52) is provided with three horizontal X8 PCIE slots which can be respectively and electrically connected with three expansion cards (62);

the first adapter plate (51) is also provided with an adapter plate connector (512) for electrically connecting with a third adapter plate (53); the third adapter plate (53) is provided with a plurality of rows of vertical X8 PCIE slots, except for the first layer of tray support (60), the plurality of rows of vertical X8 PCIE slots are respectively arranged on the same layer with the rest layers of tray supports (60), and the number of each row of vertical X8 PCIE slots is two, so that the two expansion cards (62) can be respectively and electrically connected.

4. The network security server according to claim 3, wherein the upper end of the patch panel bracket (50) disposed at the same layer as the second layer tray bracket (60) is fixedly connected to the patch panel bracket (50) at the upper layer;

the upper end of the adapter plate bracket (50) arranged on the same layer as the layer of the tray bracket (60) farthest from the bottom plate (110) is fixedly connected with the bracket fixing beam (15), and the lower end of the adapter plate bracket (50) is fixedly connected with the lower layer;

except the adapter plate bracket (50) arranged on the same layer with the second layer and the tray bracket (60) on the layer farthest from the bottom plate (110), the upper ends of the adapter plate brackets (50) on the other layers are fixedly connected with the adapter plate bracket (50) on the upper layer, and the lower ends of the adapter plate brackets (50) on the lower layer are fixedly connected with the adapter plate bracket (50) on the lower layer.

5. The network security server according to claim 1, wherein, both ends of the box body (11) are provided with a plurality of flanges (113) protruding towards the inside of the case (1), and a plurality of tapping teeth (1131) are arranged on the flanges (113); the two ends of the front panel (12) and the rear panel (13) are respectively provided with a plurality of through holes (121) corresponding to a plurality of tapping teeth (1131); and a plurality of countersunk screws (8) respectively penetrate through the plurality of through holes (121) and the corresponding hems (113) and tapping teeth (1131), so that the front panel (12), the rear panel (13) and the box body (11) are fixedly installed.

6. The network security server according to claim 1, wherein the tray support (60) comprises a first support body (601) and two first sidewall supports (602) respectively connected to both ends of the first support body (601); the first side wall bracket (602) is L-shaped, and the first side wall bracket (602) comprises a first vertical side (6021) vertically connected with the first bracket body (601) and a first horizontal side (6022) vertically connected with the first vertical side (6021);

the expansion card tray (6) is supported by two first horizontal edges (6022) and can be pulled back and forth so as to facilitate the installation of the expansion card (62);

and the first vertical edge (6021) is provided with a mounting plate (60211) for realizing the fixed connection with the expansion card tray (6).

7. The network security server of claim 6, wherein the first horizontal sides (6022) of the first layer tray support (60) and the bottom plate (110) of the box body (11) are fixed by a plurality of pull nails (101); the adjacent tray supports (60) and the first support body (601) and the support fixing beam (15) are fixed through a plurality of screws (10).

8. The network security server according to claim 6, wherein a panel opening (122) is provided on the front panel (12) corresponding to the expansion card tray (6) so as to expose the expansion card tray (6).

9. The network security server of claim 6, wherein the expansion card tray (6) is locked to the mounting plate (60211) by a hand screw (100) to fixedly mount the expansion card tray (6) to the tray support (60).

10. The network security server according to claim 4, wherein the patch panel bracket (50) comprises a second bracket body (501) and two second sidewall brackets (502) respectively connected to two ends of the second bracket body (501); the second side wall bracket (502) is L-shaped, and the second side wall bracket (502) comprises a second vertical edge (5021) vertically connected with the second bracket body (501) and a second horizontal edge (5022) vertically connected with the second vertical edge (5021);

two ends of the second adapter plate (52) are respectively and fixedly connected with the two second horizontal edges (5022), so that the second adapter plate (52) and the adapter plate bracket (50) are fixedly installed;

a clearance opening (5011) is formed in the second support body (501) corresponding to the connecting plate (9), so that the electric connection between the connecting plate (9) and the second adapter plate (52) on the upper layer is not affected.