CN217133648U

CN217133648U - Edge server

Info

Publication number: CN217133648U
Application number: CN202221041729.XU
Authority: CN
Inventors: 高大山; 苏智; 陈玉柱
Original assignee: Beijing Wanshu Technology Co ltd
Current assignee: Beijing Wanshu Technology Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-08-05
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses an edge server, mainboard including quick-witted case and quick-witted incasement, the expansion card, expansion card mounting bracket, first hard disk, second hard disk and hard disk mount, PCI-E extension slot has been seted up on the mainboard, the expansion card mounting bracket includes the plate body, golden finger and PCI-E slot, the golden finger sets up on the plate body, PCI-E slot vertical fixation is on the plate body, the golden finger is connected with PCI-E slot electricity, the golden finger sets up with PCI-E slot relatively, the golden finger of expansion card is pegged graft in PCI-E slot, the golden finger of expansion card mounting bracket is pegged graft in the PCI-E extension slot of mainboard, parallel fixes on the hard disk mount about first hard disk and the second hard disk, hard disk mount and quick-witted case fixed connection. The utility model changes the direction of the expansion card perpendicular to the mainboard insertion into the direction parallel to the mainboard connection, thereby reducing the occupied space; the first hard disk and the second hard disk are arranged and installed up and down, so that the occupied space is saved, the computing power, the expansibility and the storage capacity of the edge server are improved, and the miniaturization requirement of the edge server is met.

Description

Edge server

Technical Field

The utility model relates to a computer technology field, more particularly, the utility model relates to an edge server.

Background

In recent years, the demand of the market for small edge computing servers is increased, the size of the edge computing servers is required to be as small as possible on the premise that the edge computing servers have certain required computing power, expansibility and storage capacity, and the edge computing servers in the market at present cannot meet the requirements, for example, network cards cannot be added in the edge computing servers with the size of only 200 × 85mm, and a large-capacity hard disk cannot be added, so that the use of the edge computing servers is limited. For example, in the installation aspect of the hard disk, the solid state hard disk is installed in the server case through a special solid state hard disk fixing frame at present, the mechanical hard disk is also installed in the server case through a special mechanical hard disk fixing frame, the solid state hard disk fixing frame and the mechanical hard disk fixing frame are mutually independent, and the occupied space is large, so that the size of the server case is large, and the requirements cannot be met.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model innovatively provides an edge server, which realizes the turning of the expansion card through an expansion card mounting rack, inserts and turns the expansion card to be connected in parallel with the mainboard in a way of being perpendicular to the mainboard, thereby reducing the occupied space, and the installation of a plurality of expansion cards can be realized by arranging a plurality of parallel PCI-E slots on the expansion card mounting rack; the first hard disk and the second hard disk can be installed at the same time, and are arranged and installed from top to bottom, so that the occupied space is saved, the problem of installing a large-capacity hard disk in a machine box with a small size is solved, the computing power, the expansibility and the storage capacity of the edge server are improved, and the miniaturization requirement of the edge server is met.

In order to achieve the technical purpose, the utility model discloses an edge server, which comprises a case, a mainboard, an expansion card mounting rack, a first hard disk, a second hard disk and a hard disk fixing rack which are arranged in the case,

the main board is provided with a PCI-E expansion slot,

the expansion card mounting rack comprises a board body, a golden finger and a PCI-E slot, the golden finger is arranged on the board body, the PCI-E slot is vertically fixed on the board body, the golden finger is electrically connected with the PCI-E slot, the golden finger is arranged opposite to the PCI-E slot, the golden finger of the expansion card is inserted in the PCI-E slot, the golden finger of the expansion card mounting rack is inserted in the PCI-E expansion slot of the mainboard,

the first hard disk and the second hard disk are fixed on the hard disk fixing frame in parallel from top to bottom, and the hard disk fixing frame is fixedly connected with the case.

Furthermore, an expansion double-port optical fiber network card is arranged in the case, an MINI PCI-E expansion slot is formed in the mainboard, and a golden finger of the expansion double-port optical fiber network card is inserted into the MINI PCI-E expansion slot.

Furthermore, a first L-shaped connecting plate is fixed at a network card interface end of the extended dual-port optical network card, one end of the first L-shaped connecting plate is fixedly connected with the extended dual-port optical network card, and the other end of the first L-shaped connecting plate is fixedly connected with the chassis.

Further, the hard disk fixing frame comprises a first hard disk supporting plate, a second hard disk supporting plate, a first clamping plate, a second clamping plate and a third clamping plate, the first clamping plate, the second clamping plate and the third clamping plate are sequentially arranged in parallel, the first hard disk supporting plate is vertically fixed between the first clamping plate and the second clamping plate, the first hard disk supporting plate is respectively and fixedly connected with the bottom of the first clamping plate and the bottom of the second clamping plate, the first hard disk supporting plate is used for supporting a first hard disk, and the first hard disk is clamped between the first clamping plate and the second clamping plate; the second hard disk supporting plate is vertically fixed between the second clamping plate and the third clamping plate, the second hard disk supporting plate is fixedly connected with the top of the second clamping plate and the bottom of the third clamping plate respectively, the second hard disk supporting plate is used for supporting a second hard disk, and the second hard disk is clamped between the first clamping plate and the third clamping plate.

Furthermore, a first connecting plate for fixedly connecting with a front panel of the chassis is fixed at the end of the third clamping plate extending out of the second hard disk supporting plate, the first connecting plate is perpendicular to the third clamping plate, and the first connecting plate is located between the first clamping plate and the third clamping plate; one side of the first clamping plate, which is far away from the first hard disk supporting plate, is fixedly connected with a second connecting plate which is fixedly connected with a side panel of the case, and the second connecting plate is parallel to the first clamping plate) and is positioned below the side of the first clamping plate.

Further, the height of the second clamping plate is 2-4mm higher than that of the first hard disk.

Further, the first hard disk is a solid state hard disk, and the second hard disk is a mechanical hard disk.

Furthermore, a first heat dissipation window is formed in the middle of the first hard disk supporting plate, a first threaded hole used for fixing a first hard disk is formed in the first hard disk supporting plate, and second threaded holes used for fixing a second hard disk are formed in the first clamping plate and the third clamping plate.

Furthermore, a first connection hole for fixedly connecting with the chassis is formed in the plate body.

Furthermore, the expansion card is fixedly connected with the case through a second L-shaped connecting plate, one end of the second L-shaped connecting plate is fixedly connected with the card body, and the other end of the second L-shaped connecting plate is fixedly connected with the case.

The utility model has the advantages that:

the utility model discloses an edge server realizes the direction changing of expansion card through the expansion card mounting bracket, inserts the expansion card perpendicular to the mainboard and turns to be parallel to the mainboard connection, reduces occupation space, and the installation of a plurality of expansion cards can be realized through setting up a plurality of parallel PCI-E slots on the expansion card mounting bracket; the first hard disk and the second hard disk can be installed at the same time, and are arranged and installed from top to bottom, so that the occupied space is saved, the problem of installing a large-capacity hard disk in a machine box with a small size is solved, the computing power, the expansibility and the storage capacity of the edge server are improved, and the miniaturization requirement of the edge server is met.

Drawings

Fig. 1 is a schematic structural diagram of an edge server (a front panel is omitted) according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an expansion mount according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of the connection between the expansion card and the motherboard according to the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a hard disk fixing frame according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of the extended dual-port optical network card according to an embodiment of the present invention.

In the figure, the position of the upper end of the main shaft,

10. a chassis; 20. a main board; 30. an expansion card; 31. a second L-shaped connecting plate; 40. an expansion card mounting rack; 41. a plate body; 42. a gold finger; 43. a PCI-E slot; 44. a first connection hole; 50. a hard disk fixing frame; 51. a first hard disk support plate; 511. a first heat dissipation window; 512. a first threaded hole; 52. a second hard disk support plate; 53. a first clamping plate; 531. a second heat dissipation window; 54. a second clamping plate; 55. a third clamping plate; 56. a second threaded hole; 57. a first connecting plate; 58. a second connecting plate; 59. a third connecting plate; 60. expanding the double-port optical network card; 61. first L type connecting plate.

Detailed Description

The edge server provided by the invention is explained and explained in detail below with reference to the drawings of the specification.

The embodiment specifically discloses an edge server, as shown in fig. 1, which includes a chassis 10, and a motherboard 20, an expansion card 30, an expansion card mounting bracket 40, a first hard disk, a second hard disk and a hard disk fixing bracket 50 in the chassis 10, where the motherboard 20 is provided with PCI-E expansion slots, as shown in fig. 2, the expansion card mounting bracket 40 includes a board body 41, a gold finger 42 and a PCI-E slot 43, the gold finger 42 is disposed on the board body 41, the PCI-E slot 43 is vertically fixed on the board body 41, the gold finger 42 is electrically connected with the PCI-E slot 43, the gold finger 42 is disposed opposite to the PCI-E slot 43, the gold finger of the expansion card 30 is inserted into the PCI-E slot 43, the gold finger 42 of the expansion card mounting bracket 40 is inserted into the PCI-E expansion slot of the motherboard 20, the expansion card which is originally inserted into the mainboard vertically is converted into the expansion card which is parallel to the mainboard through the expansion card mounting rack, the thickness of the mainboard is far smaller than the width of the mainboard, and therefore the occupied space is reduced, and the volume of the case is reduced. The plate 41 is provided with a first connection hole 44 for fixedly connecting with the chassis 11, and the expansion card mounting frame is fixedly connected with the chassis by a screw passing through the first connection hole 44, so that the installation stability of the expansion card is improved.

One or more PCI-E slots 43 are formed in the board body 41, and a plurality of PCI-E slots 43 are arranged in parallel and can be inserted with a plurality of expansion cards, so that the number of the expansion cards is increased. In this embodiment, the expansion card is a card commonly used in a server, such as a GPU card, a network card, and the like.

As shown in fig. 3, the expansion card 30 is fixedly connected to the chassis through a second L-shaped connecting plate 31, one end of the second L-shaped connecting plate 31 is fixedly connected to the expansion card 30, the other end of the second L-shaped connecting plate 31 is fixedly connected to the chassis 10, and the other end of the second L-shaped connecting plate 31 is perpendicular to the expansion card 30. The second L-shaped connecting plate 31 is provided with a connecting hole, and the second L-shaped connecting plate 31 is connected with the chassis by a screw passing through the connecting hole. The second L-shaped connecting plate 31 is fixed to the edge of the expansion card 30 adjacent to the gold finger of the expansion card. The expansion card 30 is inserted into the PCI-E slot 43 of the expansion card mounting bracket 40, and the expansion card 30 is fixedly connected with the chassis by passing through the connection hole through a screw, so that the mounting stability is enhanced.

As shown in fig. 3, the expansion card mounting bracket 40 is inserted perpendicular to the main board, so that the width of the expansion card mounting bracket 40 is as small as possible, and the expansion card is mounted perpendicular to the board body but parallel to the main board, thereby reducing the occupied space.

The first hard disk and the second hard disk are fixed on the hard disk fixing frame 50 in parallel up and down, and the hard disk fixing frame 50 is fixedly connected with the case 10. The hard disk fixing frame 50 enables two hard disks to be installed up and down, so that the occupied space is saved, and the size of the case is further reduced.

As shown in fig. 4, the hard disk fixing frame 50 includes a first hard disk supporting plate 51, a second hard disk supporting plate 52, a first clamping plate 53, a second clamping plate 54 and a third clamping plate 55, the first clamping plate 53, the second clamping plate 54 and the third clamping plate 55 are sequentially arranged in parallel, the first hard disk supporting plate 51 is vertically fixed between the first clamping plate 53 and the second clamping plate 54, the first hard disk supporting plate 51 is respectively and fixedly connected with the bottom of the first clamping plate 53 and the bottom of the second clamping plate 54, the first hard disk supporting plate 51 is used for supporting a first hard disk, and the first hard disk is clamped between the first clamping plate 53 and the second clamping plate 54; the first clamping plate 53, the second clamping plate 54 and the first hard disk supporting plate 51 enclose a U-shaped clamping groove, and the first hard disk is clamped in the U-shaped clamping groove. A first heat dissipation window 511 is formed in the middle of the first hard disk support plate 51 and used for dissipating heat; first screw hole 512 that is used for fixed first hard disk is seted up on first hard disk backup pad 51, and in this embodiment, the quantity of first screw hole 512 is 4, and 4 first screw holes 512 are the rectangle and distribute, fixes first hard disk on first hard disk backup pad 51 through the screw of threaded connection at first screw hole 512. As shown in fig. 4, 4 first screw holes 512 surround the first heat dissipation window 511, and fix the first hard disk above the first heat dissipation window 511, and the area of the first heat dissipation window 511 is as large as possible, so as to improve the heat dissipation capability.

The second hard disk support plate 52 is vertically fixed between the second clamping plate 54 and the third clamping plate 55, the second hard disk support plate 52 is respectively and fixedly connected with the top of the second clamping plate 54 and the bottom of the third clamping plate 55, the second hard disk support plate 52 is used for supporting a second hard disk, and the second hard disk is clamped between the first clamping plate 53 and the third clamping plate 55. The second hard disk support plate 52, the second clamping plate 54 and the first hard disk support plate 51 form a step structure, and the second hard disk is fixed above the first hard disk, so that the occupied space is saved, and the size of the case can be reduced. The height of the second clamping plate 54 is 2-4mm higher than that of the first hard disk, so that a certain gap is kept between the second hard disk and the first hard disk to form a heat dissipation channel for air circulation to dissipate heat. In this embodiment, the height of the second clamping plate 54 is 2mm higher than that of the first hard disk, and a heat dissipation channel with a height of 2mm is formed between the second hard disk and the first hard disk, so that the heat dissipation capability is ensured on the premise of reducing the size of the case as much as possible.

The first clamping plate 53 and the third clamping plate 55 are both provided with second threaded holes 56 for fixing a second hard disk. The second screw hole 56 is used for fixing the side part of the second hard disk, the second hard disk is fixedly connected with the first clamping plate 53 and the third clamping plate 55 on the two sides through screws, and only the two sides of the second hard disk are in contact with the edge server, so that the heat dissipation capacity is improved.

The first locking plate 53 is provided with a second heat dissipation window 531 for dissipating heat, thereby improving heat dissipation capability. The first clamping plate 53 and the second hard disk supporting plate 52 can be provided with heat dissipation holes, so that the heat dissipation effect is enhanced, and the heat dissipation holes can be arranged as many as possible on the premise of ensuring the supporting strength and the fixing stability.

As shown in fig. 4, a first connecting plate 57 for fixedly connecting with the chassis front panel is fixed at the end of the third clamping plate 55 extending out of the second hard disk supporting plate 52, the first connecting plate 57 is perpendicular to the third clamping plate 55, the first connecting plate 57 is located between the first clamping plate 53 and the third clamping plate 55, the first connecting plate 57 is provided with a threaded hole, and the hard disk fixing frame is fixedly connected with the chassis front panel through a screw; one side of the first clamping plate 53 far away from the first hard disk supporting plate 51 is fixedly connected with a second connecting plate 58 which is fixedly connected with a side panel of the case, and the second connecting plate 58 is parallel to the first clamping plate 53 and is positioned below the side of the first clamping plate 53. The second connecting plate 58 is provided with a threaded hole and is fixedly connected with the side panel of the case through the threaded hole. Second connecting plate 58 is from the plane downwardly extending at first hard disk support plate 51 place, and second connecting plate 58 plays the supporting role when playing the connection effect, supports the hard disk mount in the top of mainboard, CPU radiator fan and USB pcb board, and the space of rational utilization quick-witted incasement reduces area occupied, makes the mutual noninterference of each part of quick-witted incasement moreover. The second connector plate 58 elevates the hard disk drive holder above the electrical components within the chassis.

A third connecting plate 59 for fixedly connecting with the bottom panel of the chassis is fixed on one side of the first hard disk supporting plate 51 away from the first connecting plate 57, and the third connecting plate 59 is parallel to the first hard disk supporting plate 51 and is located below the side of the first hard disk supporting plate 51, so that the stability of fixedly supporting the hard disk is further enhanced. The third connecting plate 59 is fixedly connected with the first hard disk supporting plate 51 through an L-shaped plate, and the L-shaped plate is matched with the second connecting plate 58 to support the space below the hard disk fixing frame, so that the stability of the first hard disk and the second hard disk on the hard disk fixing frame is ensured. Threaded holes can be formed in the third connecting plate 59, the third connecting plate 59 is fixedly connected with the bottom panel of the case through screws, and the fixing stability of the whole hard disk is improved.

In this embodiment, the first hard disk is a solid state hard disk, and the second hard disk is a mechanical hard disk. Typically, the size of a mechanical hard disk is larger than the size of a solid state hard disk.

In this embodiment, a large-capacity hard disk is installed in a small-sized chassis, for example, a mechanical hard disk with a length of 3.5 inches and a solid-state hard disk with a length of 2.5 inches are installed in a mini chassis with a length, a width and a height of 200 × 85mm at the same time, and the specific fixing method is as follows: the first threaded hole 512 is an m3 countersunk head threaded hole corresponding to the 2.5-inch solid state disk mounting hole, and the 2.5-inch solid state disk is fixed on the first hard disk support plate 51 by first connecting 4m 3 screws with the first threaded hole 512 in a threaded manner; the second threaded holes 56 are m3 countersunk head threaded holes corresponding to the 3.5 inch second hard disk mounting holes, the first clamping plate 53 is provided with 3 second threaded holes 56, the third clamping plate 55 is provided with 3 second threaded holes 56, and 6 m3 screws are respectively in threaded connection with the second threaded holes 56 on the first clamping plate 53 and the third clamping plate 55 to fixedly connect the 3.5 inch mechanical hard disk with the first clamping plate 53 and the third clamping plate 55 and are arranged on the second hard disk support plate 52; then, the first connecting plate 57 is fixedly connected with the front panel of the case by using 3.5mm screws, the second connecting plate 58 is fixedly connected with the side panel of the case by using 3.5mm screws, the number of the third connecting plates 59 is two, each third connecting plate 59 is provided with an M3 countersunk head screw hole, the third connecting plates are fixed with two studs with the height of 4cm at the bottom of the case by using 3mm flat head screws, the third connecting plates 59 are fixedly connected with the bottom panel of the case, the whole hard disk fixing frame is fixedly supported above the main board, the CPU cooling fan and the USB pcb, and the mechanical hard disks and the solid state disks are arranged up and down, so that the occupied space in the case is reduced.

The structure and the shape of the hard disk fixing frame of the embodiment can simultaneously install a 3.5-inch hard disk and a 2.5-inch hard disk in a space with a specific size, and the hard disks can be stably installed in the case by being fixed with the bottom panel, the front panel and the side panel of the mini-server case. The shape of the hard disk fixing frame is matched with the internal structure of the mini server, so that the internal space of the case is fully utilized on the premise of avoiding the interference with the positions of the main board and other electronic devices in the case. The problem of can install 3.5 cun hard disk and 2.5 cun hard disk simultaneously in 200 x 85 mm's quick-witted case is solved, the hard disk heat dissipation problem has been solved simultaneously, has compressed the whole volume of quick-witted case, has practiced thrift the cost.

An expansion double-port optical fiber network card 60 is further arranged in the case, an MINI PCI-E expansion slot is formed in the mainboard 20, and a golden finger of the expansion double-port optical fiber network card 60 is inserted into the MINI PCI-E expansion slot. As shown in fig. 5, a first L-shaped connecting plate 61 is fixed at a network card interface end of the dual-port expansion optical network card 60, one end of the first L-shaped connecting plate 61 is fixedly connected with the dual-port expansion optical network card 60, and the other end of the first L-shaped connecting plate 61 is fixedly connected with the chassis 10. The other end of the first L-shaped connecting plate 61 is perpendicular to the extended dual-port optical network card and is provided with a connecting hole, and the first L-shaped connecting plate is fixedly connected with the chassis by a screw penetrating through the connecting hole, so that the extended dual-port optical network card 60 is stably fixed. The expansion double-port optical network card 60 may be provided with a connecting hole, and is fixedly connected with the chassis by a screw passing through the connecting hole, so as to enhance the fixing stability.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the description herein, references to the description of the terms "this embodiment," "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, and simple improvements made in the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. An edge server is characterized by comprising a case (10), a mainboard (20), an expansion card (30), an expansion card mounting rack (40), a first hard disk, a second hard disk and a hard disk fixing rack (50) which are arranged in the case,

the main board (20) is provided with a PCI-E expansion slot,

the expansion card mounting frame (40) comprises a plate body (41), a golden finger (42) and a PCI-E slot (43), the golden finger (42) is arranged on the plate body (41), the PCI-E slot (43) is vertically fixed on the plate body (41), the golden finger (42) is electrically connected with the PCI-E slot (43), the golden finger (42) and the PCI-E slot (43) are oppositely arranged, the golden finger of the expansion card (30) is inserted in the PCI-E slot (43), the golden finger (42) of the expansion card mounting frame (40) is inserted in the PCI-E expansion slot of the mainboard (20),

the first hard disk and the second hard disk are fixed on the hard disk fixing frame (50) in an up-down parallel mode, and the hard disk fixing frame (50) is fixedly connected with the case (10).

2. The edge server according to claim 1, wherein an expansion dual-port optical network card (60) is further disposed in the chassis, a MINI PCI-E expansion slot is disposed on the motherboard (20), and a gold finger of the expansion dual-port optical network card (60) is inserted into the MINI PCI-E expansion slot.

3. The edge server according to claim 2, wherein a first L-shaped connecting plate (61) is fixed to a network card interface end of the extended dual-port optical fiber network card (60), one end of the first L-shaped connecting plate (61) is fixedly connected to the extended dual-port optical fiber network card (60), and the other end of the first L-shaped connecting plate (61) is fixedly connected to the chassis (10).

4. The edge server of claim 1, wherein the hard disk fixing frame (50) comprises a first hard disk supporting plate (51), a second hard disk supporting plate (52), a first clamping plate (53), a second clamping plate (54) and a third clamping plate (55), the first clamping plate (53), the second clamping plate (54) and the third clamping plate (55) are sequentially arranged in parallel, the first hard disk supporting plate (51) is vertically fixed between the first clamping plate (53) and the second clamping plate (54), the first hard disk supporting plate (51) is fixedly connected with the bottom of the first clamping plate (53) and the bottom of the second clamping plate (54), the first hard disk supporting plate (51) is used for supporting a first hard disk, and the first hard disk is clamped between the first clamping plate (53) and the second clamping plate (54); the second hard disk support plate (52) is vertically fixed between the second clamping plate (54) and the third clamping plate (55), the second hard disk support plate (52) is respectively and fixedly connected with the top of the second clamping plate (54) and the bottom of the third clamping plate (55), the second hard disk support plate (52) is used for supporting a second hard disk, and the second hard disk is clamped between the first clamping plate (53) and the third clamping plate (55).

5. The edge server of claim 4, wherein the end of the third card board (55) extending out of the second hard disk support plate (52) is fixed with a first connecting plate (57) for fixedly connecting with the front panel of the chassis, the first connecting plate (57) is perpendicular to the third card board (55), and the first connecting plate (57) is located between the first card board (53) and the third card board (55); one side, far away from first hard disk supporting plate (51), of first cardboard (53) is fixedly connected with second connecting plate (58) that is used for being connected with quick-witted case side panel fixed connection, second connecting plate (58) be on a parallel with first cardboard (53), and be located the side below of first cardboard (53).

6. The edge server of claim 4, wherein the second card (54) has a height 2-4mm above the first hard disk.

7. The edge server of claim 4, wherein the first hard disk is a solid state disk and the second hard disk is a mechanical hard disk.

8. The edge server according to claim 4, wherein a first heat dissipation window (511) is formed in the middle of the first hard disk support plate (51), a first threaded hole (512) for fixing a first hard disk is formed in the first hard disk support plate (51), and second threaded holes (56) for fixing a second hard disk are formed in the first clamping plate (53) and the third clamping plate (55).

9. The edge server of claim 1, wherein the plate (41) is provided with a first connection hole (44) for fixedly connecting with the chassis (10).

10. The edge server of claim 1, wherein the expansion card (30) is fixedly connected with the chassis through a second L-shaped connecting board (31), one end of the second L-shaped connecting board (31) is fixedly connected with the expansion card (30), and the other end of the second L-shaped connecting board (31) is fixedly connected with the chassis (10).