Cloud storage device

Abstract

A cloud storage device, comprising a housing (1), a first hard disk and a mounting frame (2). The mounting frame (2) is mounted in the housing (1), a hard disk insertion space (21) is formed in the mounting frame (2), the first hard disk is removably inserted in the hard disk insertion space (21), the mounting frame (2) comprises a first side plate (222), and a memory expansion slot (222a) is provided in the inner side surface of the first side plate (222) and is configured for mounting a second hard disk (2) for expanding a memory. Therefore, a storage space of the cloud storage device can be increased when a storage space of the original first hard disk built in the the cloud storage device is insufficient. That is, after the original memory space of the cloud storage device is insufficient, the memory is expanded, without adding a new cloud storage device, such that the use cost is reduced for a user, and the use flexibility is high.

Description

A cloud storage device TECHNICAL FIELD

[0001] The present application relates to the technical field of cloud storage devices, and particularly relates to a cloud storage device. BACKGROUND

[0002] A cloud storage device (NAS) is a network-attached storage device. It is a storage device connected to a network, allowing multiple users and applications to access, store and share data through the network. The NAS device usually has its own IP address and can be accessed through a local area network (LAN) or a wide area network (WAN). The NAS device is usually used in enterprise environments, personal home environments, etc., for file sharing, backup and data recovery, etc. TECHNICAL PROBLEM

[0003] The current cloud storage device generally inserts one or more hard disks through a hard disk holder, and the hard disk insertion space is fixed. For example, a 2-port cloud storage device can insert a maximum of two hard disks, and a 4-port cloud storage device can insert a maximum of four hard disks. However, as the use time increases or the use demand changes, the user's memory demand for the cloud storage device will be greater. When the original storage space of the cloud storage device cannot meet the demand, the user can only increase a new cloud storage device, the user's use cost is high, and the use flexibility is low. TECHNICAL SOLUTION

[0004] The embodiment of the present application provides a cloud storage device to solve the problem in the prior art that when the original storage space of the cloud storage device cannot meet the demand, the user can only increase a new cloud storage device, the user's use cost is high, and the use flexibility is low.

[0005] The present application discloses a cloud storage device, which comprises a shell, a first hard disk and a mounting frame. The mounting frame is installed in the shell, and a hard disk insertion space is formed in the mounting frame. The first hard disk can be detachably inserted into the hard disk insertion space. The mounting frame comprises a first side plate, and a memory expansion slot is arranged on the inner side of the first side plate. The memory expansion slot is used for installing a second hard disk for expanding memory. ADVANTAGEOUS EFFECTS

[0006] Compared with the prior art, the cloud storage device provided by the embodiment of the present application has the following advantages: the cloud storage device of the present application is provided with a mounting frame, the mounting frame comprises a first side plate, and a memory expansion slot is arranged on the inner side of the first side plate. The memory expansion slot can be used for installing a second hard disk for expanding memory, so that the cloud storage device can increase the storage space when the original first hard disk storage space is insufficient. That is, the cloud storage device of the present application expands the memory when the original memory space is insufficient, without the need to increase a new cloud storage device, thereby reducing the user's use cost and improving the use flexibility. Attached Figure Description

[0007] The technical solution of this application will be further described in detail below with reference to the accompanying drawings and embodiments. In the accompanying drawings:

[0008] Figure 1 is a schematic diagram of a cloud storage device according to an embodiment of this application;

[0009] Figure 2 is an internal schematic diagram of a cloud storage device according to an embodiment of this application;

[0010] Figure 3 is a schematic diagram of the installation frame according to an embodiment of this application;

[0011] Figure 4 is a magnified view of part A in Figure 3;

[0012] Figure 5 is another schematic diagram of the installation frame according to an embodiment of this application;

[0013] Figure 6 is a schematic diagram of the first hard disk circuit board according to an embodiment of this application;

[0014] Figure 7 is a schematic diagram of the hard disk fixing assembly according to an embodiment of this application;

[0015] Figure 8 is an exploded view of the hard disk fixing assembly according to an embodiment of this application.

[0016] Figure 9 is a schematic diagram of the installation component according to an embodiment of this application;

[0017] Figure 10 is another exploded view of the hard disk fixing assembly according to an embodiment of this application. The best embodiment of the present invention

[0018] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The preferred embodiments of this application will now be described in detail with reference to the accompanying drawings.

[0019] This application provides a cloud storage device, as shown in Figures 1 to 5. The cloud storage device includes a housing 1, a first hard disk, and a mounting frame 2. The mounting frame 2 is installed inside the housing 1, forming a hard disk insertion space 21. The first hard disk is detachably inserted into the hard disk insertion space 21. The mounting frame 2 includes a first side plate 222, and a memory expansion slot 222a is provided on the inner side of the first side plate 222. The memory expansion slot 222a is used to install a second hard disk 4 for expanding memory.

[0020] The cloud storage device is provided with a mounting frame 2, the mounting frame 2 includes a first side plate 222, the inner side of the first side plate 222 is provided with a memory expansion slot 222a, the memory expansion slot 222a can be used to install the second hard disk 4 of the expansion memory, so that the cloud storage device can increase the storage space when the original first hard disk storage space of the cloud storage device is insufficient. That is, the cloud storage device of the application expands the memory when the original memory space is insufficient, without the need to increase a new cloud storage device, reduces the user use cost, and has high use flexibility.

[0021] When the user needs to increase the cloud storage space, the first hard disk is taken out from the hard disk insertion space 21, and the second hard disk 4 is installed on the preset memory expansion slot 222a on the inner side of the first side plate 222.

[0022] It is also important that the memory expansion slot 222a for installing the expansion memory is arranged on the inner side of the first side plate 222 of the mounting frame 2, after the first hard disk is taken out, the second hard disk 4 can be installed through the hard disk insertion space 21, without the need to additionally arrange an openable cover plate or the like structure at the housing 1 corresponding to the memory expansion slot 222a, the first hard disk itself can be disassembled, and the second hard disk 4 is conveniently disassembled, at the same time, the memory expansion slot 222a is arranged on the inner side of the first side plate 222, the side space of the mounting frame 2 and the cloud storage device can be fully utilized, the space utilization rate is improved, and interference with the first hard disk is avoided, and stable use of each is ensured.

[0023] The first hard disk is the original storage hard disk of the cloud storage device, and can be a mechanical hard disk. The second hard disk 4 as the expansion memory can be a solid state drive (SSD). Of course, the cloud storage device of the application can also install the second hard disk 4 on the memory expansion slot when the original memory is not full, which depends on the actual use demand of the user, and the technical scheme of the application does not have limitation. The hard disk insertion space 21 can be a space for inserting two first hard disks, or a space for inserting three first hard disks, or a space for inserting four first hard disks, or a space for inserting six first hard disks, or a space for inserting eight first hard disks. The specific number of first hard disks inserted depends on the design and demand of the cloud storage device, and the application does not make specific limitation. The first hard disk is inserted into the hard disk insertion space 21 through the hard disk bracket 9.

[0024] Specifically, the cloud storage device further comprises a second hard disk circuit board 3; the second hard disk circuit board 3 is vertically installed on the outer side of the first side plate 222 or is installed in the shell 1 and is located on the side of the outer side of the first side plate 222; and the second hard disk circuit board 3 is provided with a hard disk insertion position 31. The first side plate 222 is provided with an insertion opening 222b corresponding to the hard disk insertion position 31, the insertion opening 222b is communicated with the memory expansion slot 222a, and the hard disk insertion position 31 is butted at the insertion opening 222b. In the scheme, the second hard disk 4 circuit is arranged on the side of the outer side of the first side plate 222, the second hard disk circuit board 3 is provided with the hard disk insertion position 31, and the insertion opening 222b is arranged, so that the second hard disk 4 is inserted, and the connecting terminal of the second hard disk 4 is inserted into the hard disk insertion position 31. The hard disk insertion position 31 can be a conventional solid state disk (SSD) insertion position, such as an ST interface, an M. slot or a PI slot, and the like, which will not be described in detail here. At this time, the second hard disk 4 is a solid state disk (SSD). The second hard disk circuit board 3 is arranged on the side of the outer side of the first side plate 222, so that the space on the side of the cloud storage device can be fully utilized, the space utilization rate is improved, and the second hard disk 4 can be conveniently installed in the memory expansion slot 222a. The arrangement of the insertion opening 222b can enable one end of the connecting terminal of the second hard disk 4 to be mounted on the hard disk insertion position 31. Specifically, the second hard disk circuit board 3 can be fixed on the outer side of the first side plate 222 by screws or the like. More specifically, the first hard disk circuit board 8 can be installed at the rear end of the installation frame 2, and the first hard disk circuit board 8 is provided with a connecting interface 81 to realize connection with the first hard disk. The connecting interface 81 can be, for example, a SATA (Serial ATA) interface, which will not be described in detail here.

[0025] As shown in FIGS. 2, 4 and 5, the cloud storage device further comprises a fan 5 installed in the shell 1 and located at the rear end of the installation frame 2. The inner side of the first side plate 222 is provided with a wind guide groove 222c communicated with the insertion opening 222b, the wind guide groove 222c is located on the side of the insertion opening 222b close to the fan 5, and the memory expansion slot 222a is located on the side of the insertion opening 222b away from the fan 5. The fan 5 is a component for heat dissipation, and the further arrangement of the wind guide groove 222c can especially improve the heat dissipation of the second hard disk 4. Further, the end of the wind guide groove 222c away from the insertion opening 222b is provided with a wind guide opening 222d, which further improves the heat driving of the fan 5 to the memory expansion slot 222a and the wind guide groove 222c, and improves the heat dissipation of the second hard disk 4. The wind guide groove 222c is provided with a ventilation hole 224, which can enhance the air circulation between the inner side and the outer side of the first side plate 222. The second hard disk circuit board 3 can be arranged corresponding to the wind guide groove 222c, and the heat dissipation of the second hard disk 4 circuit is improved through the ventilation hole 224 on the wind guide groove 222c.

[0026] Specifically, the memory expansion slot 222a and the air guide groove 222c are recessed outwardly by the first side plate 222, which is simple in structure and high in structural strength. The memory expansion slot 222a and the air guide groove 222c can be formed by necessary cutting and stamping during the production of the first side plate 222, which will not be described in detail here. The memory expansion slot 222a, the insertion port 222b and the air guide groove 222c are provided in two groups on the inner side of the first side plate 222, and the second hard disk circuit board 3 is provided with two hard disk insertion positions 31 corresponding to the two insertion ports 222b, further improving the memory expansion capability of the cloud storage device.

[0027] As shown in FIGS. 7 and 8, the memory expansion slot 222a is provided with a hard disk fixing assembly 6 at one end away from the insertion port 222b, which is used to detachably fix one end of the second hard disk 4 away from the hard disk insertion position 31. The hard disk fixing assembly 6 can be cooperated with the hard disk insertion position 31 at the other end of the second hard disk 4 to achieve firm installation of the second hard disk 4. Specifically, during installation, one end of the second hard disk 4 with a connecting terminal is inserted into the hard disk insertion position 31, and the other end is fixed by the hard disk fixing assembly 6. When disassembling the second hard disk 4, the hard disk fixing assembly 6 is released, and the second hard disk 4 is taken out of the memory expansion slot 222a.

[0028] Specifically, the hard disk fixing assembly 6 includes a mounting piece 61 and a flip pressing piece 62, the mounting piece 61 is mounted on the first side plate 222, and the flip pressing piece 62 is rotatably mounted on the mounting piece 61 and can be unlocked and locked on the mounting piece 61. The mounting piece 61 achieves the installation and fixation of the hard disk fixing assembly 6, and the flip pressing piece 62 achieves the pressing and fixation of the end of the second hard disk 4.

[0029] The application is provided with a mounting frame 2, which includes the first side plate 222, and the inner side of the first side plate 222 is provided with a memory expansion slot 222a, which can be used to install the second hard disk 4 for expanding memory, so that the cloud storage device can increase storage space when the original first hard disk storage space is insufficient. One end of the memory expansion slot 222a is provided with a hard disk fixing assembly 6 for detachably fixing one end of the second hard disk 4, wherein the hard disk fixing assembly 6 includes a mounting piece 61 and a flip pressing piece 62, the mounting piece 61 achieves the installation and fixation of the hard disk fixing assembly 6, and the flip pressing piece 62 achieves the pressing and fixation of the end of the second hard disk 4. Since the memory expansion slot 222a is provided on the inner side of the first side plate 222, the hard disk fixing assembly 6 uses the flip pressing piece 62 as a fixing operating part, and the user can only use one or two fingers to cock the flip pressing piece 62 for rotation and flipping, thereby achieving the disassembly and assembly of the second hard disk 4. In the narrow operation space of the hard disk insertion space 21, the disassembly and assembly of the second hard disk 4 can also be convenient and simple.

[0030] A telescopic post 63 capable of elastic extension and retraction is mounted on the mounting component 61. The telescopic post 63 is located in the fixing area of ​​the second hard drive 4 on the mounting component 61. The telescopic post 63 can press the second hard drive 4 to ensure that the second hard drive 4 is more securely installed in the memory expansion slot, preventing it from shaking and ensuring a stable connection. The telescopic post 63 has two opposing mounting arms 631, and a mounting cavity 632 is defined between the two mounting arms 631. An elastic element 6464 is installed in the mounting cavity 632. The mounting component 61 has a first through hole 611, which is divided into two opposing mounting holes 611a by a partition rib 611b. The two mounting arms 631 can be movably inserted into and defined in the two mounting holes 611a. The two mounting arms 631 serve as mounting components for the telescopic post 63 and also define the mounting cavity 632 to accommodate the installation of the elastic element 64, achieving two purposes in one. The elastic element 64 can be a spring. Due to the elastic force of the elastic element 64, the telescopic column 63 is lifted by the elastic element 64, thereby pressing the second hard disk 4. When the flip-pressing member 62 is locked onto the mounting member 61, the telescopic column 63, under the pressure of the flip-pressing member 62, contracts, and the elastic element 64 is further compressed and stores energy, ensuring that the second hard disk 4 is pressed firmly without damaging it. Specifically, the elastic element 64 presses against the partition rib 611b.

[0031] The telescopic column 63 is installed within the first through hole 611, and the elastic element 64 abuts against the partition rib 611b. The first through hole 611 provides a limit for the installation and extension of the telescopic column 63, improving its installation and movement stability. The partition rib 611b serves two purposes: firstly, it limits the two mounting arms 631 within the first through hole 611, preventing radial rotation of the telescopic column 63 and improving the extension stability of the mounting arms 631; secondly, it provides an installation position for the elastic element 64, facilitating its installation.

[0032] Further, the two sides of the first through hole 611 are provided with annular protrusions 612, and the partition rib 611b is connected to the annular protrusion 612 away from the turnover compression member 62. The annular protrusions 612 provided on the two sides of the first through hole 611 can deepen the depth of the first through hole 611, and improve the limiting effect of the first through hole 611 on the telescopic column 63. The two ends of the partition rib 611b are provided with two oppositely arranged limiting ribs 611c, which can further improve the installation and telescopic stability of the telescopic column 63. The middle position of the partition rib 611b is provided with an expansion part 611b1 extending outward to both sides, and the elastic member 64 abuts against the expansion part 611b1. The expansion part 611b1 is matched with the mounting cavity 632. The expansion part 611b1 facilitates the installation of the elastic member 64, and the expansion part 611b1 is matched with the mounting cavity 632, thereby improving the telescopic stability of the telescopic column 63.

[0033] The outer side of the end of the two mounting arms 631 is provided with a limiting protrusion 631a, and the annular protrusion 612 on one side of the first through hole 611 close to the turnover compression member 62 is provided with a clamping protrusion 612a, and the clamping protrusion 612a and the limiting protrusion 631a form a resistance. The telescopic column 63 can be made of plastic material, and when the telescopic column 63 is assembled, the two mounting arms 631 are oppositely arranged and have a certain deformation ability to move close together, and can be directly pressed into the first through hole 611. In the first through hole 611, the clamping protrusion 612a and the limiting protrusion 631a form a resistance, which ensures that the telescopic column 63 is not easy to come out of the first through hole 611. The bottom of the inner side of the mounting arm 631 is provided with an inclined surface 631b inclined outward from top to bottom, which facilitates the insertion of the mounting arm 631 into the mounting hole 611a.

[0034] For the specific cooperation between the mounting member 61 and the turnover compression member 62, in an embodiment, two oppositely arranged buckle holes 613 are formed in the mounting member 61 in the width direction of the mounting member 61, and the turnover compression member 62 is provided with two buckle parts 621 corresponding to the two buckle holes 613, and the buckle parts 621 are unlockedly buckled in the buckle holes 613. Through the clamping of the buckle holes 613 and the buckle parts 621, the turnover compression member 62 is fixed on the mounting member 61, and at the same time, the turnover compression member 62 can be turned open for disassembling the second hard disk 4.

[0035] Further, the side of the turnover compression member 62 facing the mounting member 61 is provided with a compression protruding rib 622 corresponding to the telescopic column 63. The compression protruding rib 622 can further compress the second hard disk 4, and cooperates with the telescopic column 63 to firmly fix the second hard disk 4.

[0036] Further, the cloud storage device further comprises a main control circuit board 7 installed below the mounting frame 2; the main control circuit board 7 is provided with a plug-in port 71, and the second hard disk circuit board 3 is plugged into the plug-in port 71, and the plug-in port 71 can be a circuit board socket. The main control circuit board 7 serves as the main control board of the cloud storage device, and is installed below the mounting frame 2 to fully utilize the bottom space of the cloud storage device and improve the space utilization. Since the second hard disk circuit board 3 is vertically installed at the outer side of the first side plate 222, the main control circuit board 7 is arranged below the mounting frame 2 to facilitate assembly with the second hard disk circuit board 3. The first hard disk circuit board 8 can be installed at the rear end of the mounting frame 2, and the first hard disk circuit board 8 is provided with a connection interface 81 to realize connection with the first hard disk. The connection interface 81 can be, for example, a SATA (Serial ATA) interface, which will not be described in detail here. The first hard disk circuit board 8 can also be inserted into the main control circuit board 7 through the plug-in port 71 arranged on the main control circuit board 7.

[0037] As shown in FIGS. 1-10, the mounting frame 2 comprises a main frame 22, which comprises a bottom plate 221 and two first side plates 222 described above, and the two first side plates 222 are oppositely arranged and connected with the bottom plate 221 respectively; the shell 1 comprises a front cover 11 installed at the front end of the shell 1, and the front ends of the bottom plate 221 and the two first side plates 222 are provided with connecting ears 223 connected with the front cover 11.

[0038] The cloud storage device of the present application is provided with the mounting frame 2 in the shell 1, and the mounting frame 2 serves as the structural framework part inside the cloud storage device, and the main frame 22 encloses the hard disk insertion space 21 through the bottom plate 221 and the two first side plates 222, and the first hard disk can be inserted into the mounting frame 2 through the hard disk bracket 9, and the front ends of the bottom plate 221 and the two first side plates 222 are further connected with the front cover 11 through the connecting ears 223 arranged at the front ends, so as to realize cooperation and improve the overall structural strength of the cloud storage device and stabilize the installation of the first hard disk.

[0039] Specifically, the bottom plate 221 and the two first side plates 222 are integrally formed, and the mounting frame 2 further comprises a top plate 23 installed on the top of the two first side plates 222. The bottom plate 221 and the two first side plates 222 are formed by bending a plate, and the integrally formed bottom plate 221 and the two first side plates 222 can ensure that the mounting frame 2 has high structural strength, and also eliminates the assembly process of the bottom plate 221 and the two first side plates 222, which is beneficial to rapid production and assembly. The bottom plate 221 and the two first side plates 222 can be metal plates. The separately formed top plate 23 facilitates the overall production of the mounting frame 2. The top plate 23 can be installed on the top of the two first side plates 222 by bolts. The bottom plate 221, the top plate 23 and the two first side plates 222 are all provided with ventilation holes 224. The ventilation holes 224 can improve the heat dissipation effect, and at the same time can reduce the weight while ensuring the structural strength. The rear end of the mounting frame 2 can be installed with a fan 5 to improve the heat dissipation effect.

[0040] The cloud storage device further comprises a first hard disk circuit board 8; the shell 1 further comprises a rear cover 12 installed at the rear end of the shell 1; the first hard disk circuit board 8 and the fan 5 are sequentially installed at one end of the mounting frame 2 close to the rear cover 12; the main control circuit board 7 is installed in the shell 1 and located below the bottom of the mounting frame 2, and the main control circuit board 7 is electrically connected with the first hard disk circuit board 8. The first hard disk is inserted and installed in the hard disk insertion space 21 through the insertion interface 111 on the front cover 11 and is electrically connected with the first hard disk circuit board 8. The present application reasonably arranges the installation positions of the first hard disk circuit board 8, the fan 5, the main control circuit board 7 and the second hard disk 4 around the mounting frame 2, the mounting frame 2 provides the main installation connection inside the network storage device, and improves the overall structural stability and reduces the complexity of installation and layout of the internal parts.

[0041] Specifically, the mounting frame 2 and the front cover 11 and the rear cover 12 can be connected by screws or other connecting members, such as being screwed from the outside or the inside of the front cover 11 and the rear cover 12 to the screw holes on the mounting frame 2, or being clamped between the two by a clamping position.

[0042] The fan 5 is electrically connected with the main control circuit board 7, and the fan 5 is arranged to improve the heat dissipation inside the network storage device. Correspondingly, an air outlet 121 is arranged on the rear cover 12 to dissipate heat. The first hard disk is a main storage component of the network storage device, and provides a network storage space for a user. The first hard disk can be a mechanical keyboard, and the mechanical hard disk can be installed on the hard disk bracket 9 and then inserted into the hard disk insertion space 21 to realize installation and work. The hard disk is also taken out through the hard disk bracket 9. The hard disk bracket 9 can be a conventional hard disk bracket, and will not be described here. The first hard disk can be arranged in multiple numbers, for example, two, four, six or eight. After the first hard disk is inserted into the hard disk insertion space 21, the first hard disk is connected with the connection interface 81 on the first hard disk circuit board 8, the main control circuit board 7 is electrically connected with the first hard disk circuit board 8, and data transmission and communication are realized. The main control circuit board 7 is provided with a plug-in port 71 for the first hard disk circuit board 8 to realize connection and communication between the two. The plug-in port 71 can be a circuit board socket.

[0043] The first space 10 is formed between the mounting frame 2 and the main control circuit board 7, and the heat dissipation member 73 and the component 74 are installed on the side of the main control circuit board 7 facing the mounting frame 2, and the heat dissipation member 73 and the component 74 are located in the first space 10. The first space 10 is convenient for accommodating the heat dissipation member 73 and the component 74. The installation and heat dissipation of the main control circuit board 7 are facilitated. The heat dissipation member 73 can be a heat dissipation member with multiple fins arranged at intervals. The component 74 is a necessary component 74 of the circuit of the main control circuit board 7, such as a capacitor, an inductor, a resistor, etc. The main control circuit board 7 can be mounted on the mounting frame 2 or the shell 1 through a stud.

[0044] It should be understood that the above embodiments are only used to illustrate the technical solutions of the present application, but not limit them. Those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent replacement for some technical features; and all these modifications and replacements shall fall within the protection scope of the claims of the present application.

Claims

1. A cloud storage device, characterized by, The cloud storage device comprises a shell, a first hard disk and a mounting frame; the mounting frame is mounted in the shell, a hard disk mounting space is formed in the mounting frame, and the first hard disk is detachably mounted in the hard disk mounting space; the mounting frame comprises a first side plate, an internal side surface of the first side plate is provided with a memory expansion slot, and the memory expansion slot is used for mounting a second hard disk for expanding memory.

2. The cloud storage device of claim 1, wherein, The cloud storage device further comprises a second hard disk circuit board; the second hard disk circuit board is vertically mounted on an external side surface of the first side plate or mounted in the shell and located on one side of the external side surface of the first side plate; the second hard disk circuit board is provided with a hard disk mounting position; The first side plate is provided with a mounting opening corresponding to the hard disk mounting position, the mounting opening is communicated with the memory expansion slot, and the hard disk mounting position is butted at the mounting opening.

3. The cloud storage device of claim 2, wherein, The cloud storage device further comprises a fan, and the fan is mounted in the shell and located at a rear end of the mounting frame; An air guide groove is formed on the internal side surface of the first side plate and communicated with the mounting opening, the air guide groove is located on a side of the mounting opening close to the fan, and the memory expansion slot is located on a side of the mounting opening away from the fan.

4. The cloud storage device of claim 3, wherein, An air guide opening is formed at an end of the air guide groove away from the mounting opening.

5. The cloud storage device of claim 4, wherein, Ventilation holes are formed in the air guide groove, and the second hard disk circuit board is correspondingly arranged with the air guide groove.

6. The cloud storage device of any of claims 2 to 5, wherein, A hard disk fixing assembly is arranged at an end of the memory expansion slot away from the mounting opening, and the hard disk fixing assembly is used for detachably fixing an end of the second hard disk away from the hard disk mounting position.

7. The cloud storage device of any of claims 3 to 5, wherein, The memory expansion slot and the air guide groove are recessed outwardly from the first side plate.

8. The cloud storage device of claim 1, wherein, An end of the memory expansion slot is provided with a hard disk fixing assembly for detachably fixing an end of the second hard disk; the hard disk fixing assembly comprises a mounting member and a turnover compression member, the mounting member is mounted on the first side plate, and the turnover compression member is rotationally mounted on the mounting member and can be unlocked and locked on the mounting member.

9. The cloud storage device of claim 8, wherein, An elastic telescopic column is mounted on the mounting member, and the telescopic column is located in a second hard disk fixing area on the mounting member.

10. The cloud storage device of claim 9, wherein, The telescopic column has two oppositely arranged mounting arms, a mounting cavity is limited between the two mounting arms, and an elastic member is mounted in the mounting cavity. Two oppositely arranged mounting holes are formed in the mounting member, and the two mounting arms are movably inserted and limited in the two mounting holes.

11. The cloud storage device of claim 10, wherein, A first through hole is formed in the mounting member, a partition rib is arranged in the first through hole, the partition rib divides the two mounting holes in the first through hole, the telescopic column is mounted in the first through hole, and the elastic member abuts against the partition rib.

12. The cloud storage device of claim 11, wherein, Two annular convex edges are arranged on both sides of the first through hole, and the partition rib is connected to the annular convex edge away from the turnover compression member.

13. The cloud storage device of claim 12, wherein, End outer side surfaces of the two mounting arms are provided with limiting convex edges, a clamping convex edge is arranged on a side of the annular convex edge of the first through hole close to the turnover compression member, and the clamping convex edge and the limiting convex edge form an abutment.

14. The cloud storage device of claim 11, wherein, Both ends of the partition rib are provided with two oppositely arranged limiting ribs; and / or The expansion part is arranged in the middle of the partitioning rib and extends outwardly, the elastic member abuts against the expansion part, and the expansion part is matched with the installation cavity.

15. The cloud storage device of claim 10, wherein, The bottom of the installation arm is provided with an inclined surface which inclines outwardly from top to bottom.

16. The cloud storage device of any of claims 8 to 15, wherein, Two buckle holes are arranged on the installation member in the width direction of the installation member, two buckle parts are arranged on the turnover pressing member corresponding to the two buckle holes, and the buckle parts are unlockedly buckled in the buckle holes.

17. The cloud storage device of any of claims 9 to 15, wherein, The turnover pressing member is provided with a pressing convex rib on the side facing the installation member, and the pressing convex rib corresponds to the telescopic column.

18. The cloud storage device of claim 1, wherein, The installation frame comprises a main frame, the main frame comprises a bottom plate and two first side plates which are oppositely arranged and connected with the bottom plate respectively; the shell comprises a front cover installed at the front end of the shell, the front ends of the bottom plate and the two first side plates are provided with connecting ears, and the connecting ears are connected with the front cover.

19. The cloud storage device of claim 18, wherein, The cloud storage device further comprises a first hard disk circuit board, a fan and a main control circuit board; the shell further comprises a rear cover installed at the rear end of the shell; the first hard disk circuit board and the fan are sequentially installed at one end of the installation frame close to the rear cover; the main control circuit board is installed in the shell and located below the bottom of the installation frame, the main control circuit board is electrically connected with the first hard disk circuit board; the first hard disk is inserted into the hard disk insertion space through the front cover and electrically connected with the first hard disk circuit board.

20. The cloud storage device of claim 19, wherein, The installation frame and the main control circuit board are spaced apart to form a first space, the main control circuit board is installed with a heat dissipation member and components on the side facing the installation frame, and the heat dissipation member and the components are located in the first space.

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