Multifunctional expansion device of small desktop computer

Abstract

The utility model provides a small desktop computer's multi-functional expansion device, including the casing and install circuit board, docking station, mobile hard disk and display screen in the casing, be equipped with first Type C interface on the casing, be equipped with MUX on the circuit board, the first Type C interface with MUX electrical connection, the plurality of interface of docking station and display screen all expose the casing, and the mobile hard disk is equipped with the mobile hard disk. The docking station and the display screen are both electrically connected with the MUX, the mobile hard disk is electrically connected with the docking station, the bottom of the shell wall of the shell extends downwards, a containing chamber used for containing a small desktop computer is formed in the bottom of the shell, notches are formed in the front side and the rear side, opposite to each other, of the containing chamber respectively, and a detachable storage box is installed in the containing chamber. A common docking station form, a mobile hard disk form and an expansion screen form are integrated, the external structure is simple, the interface number, the storage capacity and the screen display of the small desktop computer can be expanded only through one data line, and the connection mode is very convenient and simple.

Description

TECHNICAL FIELD

[0001] The utility model embodiment relates to data transmission technical field, especially a kind of multifunctional extension device of small desktop computer. BACKGROUND

[0002] Small desktop computers such as Mac mini are usually equipped with fewer interfaces and limited memory due to volume restrictions. When connecting a small desktop computer with multiple peripherals, an expansion dock is usually needed to use, which replicates and expands the ports of the computer, allowing the computer to be connected with multiple peripherals simultaneously. In addition, when expanding the storage space of a small desktop computer, a mobile hard drive is usually needed to use, which is connected to the computer to realize functions such as data transmission, backup and recovery, file storage and sharing, and media playback.

[0003] When a small desktop computer needs to have screen display, more interfaces and larger storage space at the same time, it is often necessary to connect the expansion dock, mobile hard drive and display to the computer through multiple data lines, which is relatively cumbersome and not simple. INVENTION CONTENT

[0004] The technical problem to be solved by the utility model embodiment is to provide a multifunctional extension device for a small desktop computer with a relatively simple connection method.

[0005] To solve the above technical problems, the utility model embodiment provides a multifunctional extension device for a small desktop computer, characterized by comprising a housing and a circuit board, an expansion dock, a mobile hard drive and a display screen installed in the housing. The housing is provided with a first Type-C interface. The circuit board is provided with a MUX. The first Type-C interface is electrically connected to the MUX. The interfaces of the expansion dock and the display screen are exposed from the housing, and the expansion dock and the display screen are electrically connected to the MUX. The mobile hard drive is electrically connected to the expansion dock. The bottom of the housing wall extends downward to form a containing room for placing a small desktop computer at the bottom of the housing. The containing room is provided with notches on the front and rear sides, respectively. A detachable storage box is installed in the containing room.

[0006] Further, the housing comprises a panel, a back plate, two side plates and a top plate. The panel and the back plate are arranged opposite to each other. The two side plates are connected between the opposite sides of the panel and the back plate, respectively. The top plate is connected between the top of the panel and the back plate.

[0007] Further, the interfaces on the expansion dock are exposed from the panel and the back plate, and the display screen is exposed from the panel.

[0008] Further, the mobile hard disk is installed on the back plate.

[0009] Further, a plurality of heat dissipation holes are formed on the two side plates corresponding to the accommodation chamber.

[0010] Further, the back plate is inclined towards the panel, and a plurality of heat dissipation holes are formed on the inclined part.

[0011] Further, the receiving box has a bottom plate and a side wall, the bottom plate is shaped corresponding to the bottom of the accommodation chamber, the side wall is vertically connected to the bottom plate and is annularly arranged, and the shape surrounded by the side wall is corresponding to the inner side of the accommodation chamber.

[0012] Further, a baffle is arranged on the side wall of the receiving box corresponding to the front and rear notches of the accommodation chamber, and the baffle blocks the notches when the receiving box is installed on the shell.

[0013] Further, a plurality of elastic columns are protruded from the bottom plate near the edge, and the elastic columns are clamped on the inner side of the accommodation chamber when the receiving box is installed on the shell.

[0014] Further, a second Type C interface and an HDMI interface are arranged on the shell, and the second Type C interface and the HDMI interface are electrically connected with the display screen.

[0015] Compared with the prior art, the embodiment of the utility model integrates the common expansion dock mode, the mobile hard disk mode and the expansion screen mode into a whole, has simple appearance structure, and can expand the number of interfaces, the storage capacity and the screen display of the small desktop computer by only one data line. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a three-dimensional schematic view of a preferred embodiment of the multifunctional expansion device of the small desktop computer.

[0017] Figure 2 is Figure 1 a three-dimensional schematic view of another angle of the embodiment.

[0018] Figure 3 is Figure 1 an exploded view of the embodiment.

[0019] Figure 4 is Figure 1 an exploded view of another angle of the embodiment.

[0020] Figure 5 is Figure 1 a data transmission principle diagram of the embodiment.

[0021] Figure 6 is Figure 1 is a perspective view of the embodiment shown in FIG. 1.

[0022] Figure 7 is Figure 6 is a perspective view of the embodiment shown in FIG. 1 from another angle.

[0023] Figure 8 is Figure 6 is an exploded view of the embodiment shown in FIG. 1. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model.

[0025] Please see Figures 1 to 4 is a preferred embodiment of the utility model, and the multifunctional expansion device of the small desktop computer comprises a shell 1 and a circuit board, an expansion dock 3, a mobile hard disk 4 and a display screen 5 installed in the shell 1. The multiple interfaces 31 of the expansion dock 3 and the display screen 5 are exposed outside the shell 1, the bottom of the shell wall of the shell 1 extends downward, a containing chamber for placing the small desktop computer is formed at the bottom of the shell 1, the two sides of the containing chamber opposite to each other are respectively provided with notches 11, and a detachable storage box 6 is installed in the containing chamber.

[0026] Specifically, the shell 1 comprises a faceplate 12, a backplate 13, two side plates 14 and a top plate 15. The faceplate 12 and the backplate 13 are arranged opposite to each other, the two side plates 14 are respectively connected between the opposite two sides of the faceplate 12 and the backplate 13, and the top plate 15 is connected between the top of the faceplate 12 and the backplate 13. In this embodiment, the interfaces 31A / 31B on the expansion dock 3 are partially exposed from the faceplate 12 and partially exposed from the backplate 13, the display screen 5 is exposed from the faceplate 12, and the mobile hard disk 4 is installed on the backplate 13. The two side plates 14 corresponding to the containing chamber are both provided with a plurality of heat dissipation holes 141. In addition, the top of the backplate 13 is inclinedly arranged towards the faceplate 12, and a plurality of heat dissipation holes 131 are also arranged at the inclined position.

[0027] As Figure 3 and Figure 4As shown, the storage box 6 has a bottom plate 61 and a side wall 62. The bottom plate 61 corresponds to the shape of the bottom of the accommodating chamber, and can block the bottom of the shell 1 when the storage box 6 is installed on the shell 1. The side wall 62 is vertically connected to the bottom plate 61 and is arranged in a ring shape, and the shape surrounded by the side wall 62 corresponds to the shape of the inner side of the accommodating chamber. The side wall 62 of the storage box 6 is provided with a baffle 63 corresponding to the front and rear notches 11 of the accommodating chamber, respectively, and the baffle 63 can block the notches 11 when the storage box 6 is installed on the shell 1. In addition, a plurality of elastic columns 64 are spaced apart and protrude from the bottom plate 61 near the edge, and the elastic columns 64 are clamped on the inner side of the accommodating chamber when the storage box 6 is installed on the shell 1. In this embodiment, the bottom plate of the storage box is quadrangular, and one elastic column is arranged at each corner.

[0028] In this embodiment, the interfaces 31A / 31B on the docking station 3 include USB A interfaces, TypeC interfaces, card reading interfaces, and earphone interfaces, etc., the mobile hard disk 4 is an M.2 SSD hard disk supporting 40Gbps or higher speed, and the display screen 5 is a 5-inch high-definition screen.

[0029] As other embodiments, the shape of the shell 1, the type and number of interfaces of the docking station 3, the type of the mobile hard disk 4, and the size of the display screen 5 in the utility model can be set as needed, and are not limited to the above embodiments.

[0030] Please see Figure 5 In this embodiment, the shell 1 is provided with a first TypeC interface 16 for connecting with a small desktop computer, and a MUX 21 (Multiplexer) is arranged on the circuit board. The first TypeC interface 16 is electrically connected with the MUX 21, the mobile hard disk 4 is electrically connected with the docking station 3, the docking station 3 and the display screen 5 are electrically connected with the MUX 21, and the signals input from the first TypeC interface 16 can be distributed to multiple channels through the MUX 21. The docking station 3 in this embodiment includes a first docking station 3A and a second docking station 3B, the first docking station 3A is electrically connected with the MUX 21, and the mobile hard disk 4 and the second docking station 3B are electrically connected with the first docking station 3A. A plurality of interfaces 31A on the first docking station 3A are exposed from the back plate 13 of the shell 1, including USB A interfaces and earphone interfaces, and a plurality of interfaces 31B on the second docking station 3B are exposed from the panel 12 of the shell, including USB A interfaces, card reading interfaces, and TypeC interfaces. In addition, the shell 1 is also provided with a second TypeC interface 17 and an HDMI interface 18, and the second TypeC interface 17 and the HDMI interface 18 are electrically connected with the display screen 5.

[0031] As Figures 6-8As shown, in the embodiment, the multifunctional expansion device is used with the Mac mini of Apple Inc., when the multifunctional expansion device is used with the Mac mini 100, the storage box 6 is detached, and the Mac mini 100 is placed in the accommodating chamber at the bottom of the shell 1. The interfaces 101 on the Mac mini 100 can be exposed from the gaps 11 at the front and back of the shell 1, so that all the interfaces 101 on the Mac mini 100 can be normally inserted and used. Only one Type C data line (not shown in the figure) is used to connect the Mac mini 100 and the multifunctional expansion device, and the functions of expanding the card slots, expanding the storage capacity and displaying can be realized, so that the Mac mini 100 becomes a large storage capacity and interface all-in-one machine with a display.

[0032] As Figure 1 and Figure 2 As shown, when the user does not use the multifunctional expansion device with the small desktop computer 100, the storage box 6 can be installed at the bottom of the shell 1 to store small articles such as data lines, and at this time, the multifunctional expansion device can become a small vertical display.

[0033] The embodiment of the utility model integrates the ordinary expansion dock mode, the mobile hard disk mode and the expansion screen mode into a whole, the appearance structure is simple, only one data line is needed to expand the interface number, the storage capacity and the screen display of the small desktop computer, and the connection mode is very convenient and simple.

[0034] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A multi-functional extension device for a small desktop computer, characterized by, The shell comprises a panel, a back plate, two side plates and a top plate, the panel and the back plate are arranged opposite to each other, the two side plates are connected between the opposite sides of the panel and the back plate respectively, and the top plate is connected between the top of the panel and the back plate.

2. The multi-functional extension device for a small form factor computer of claim 1, wherein, The interfaces on the docking station are exposed from the panel and the back plate, and the display screen is exposed from the panel.

3. The multi-functional extension device for a small form factor computer of claim 2, wherein, The mobile hard disk is installed on the back plate.

4. The multi-functional extension device for a small form factor computer of claim 2, wherein, The two side plates corresponding to the accommodation chamber are provided with a plurality of heat dissipation holes.

5. The multi-functional extension device for a small form factor computer of claim 2, wherein, The top of the back plate is arranged obliquely to the panel, and a plurality of heat dissipation holes are arranged at the oblique position.

6. The multi-functional extension device for a small form factor computer of claim 2, wherein, The receiving box has a bottom plate and a side wall, the shape of the bottom plate corresponds to the shape of the bottom of the accommodation chamber, the side wall is connected vertically to the bottom plate and is arranged in a ring shape, and the shape surrounded by the side wall corresponds to the shape of the inner side of the accommodation chamber.

7. The multi-functional extension device for a small form factor computer of claim 1, wherein, Corresponding to the front and rear gaps of the accommodation chamber, the side wall of the receiving box is provided with a baffle, when the receiving box is installed on the shell, the baffle blocks the gap.

8. The multi-functional extension device for a small form factor computer of claim 7, wherein, A plurality of elastic columns are protruded from the bottom plate near the edge, when the receiving box is installed on the shell, the elastic columns are clamped on the inner side of the accommodation chamber.

9. The multi-functional extension device for a small form factor computer of claim 7, wherein, The shell is also provided with a second Type C interface and an HDMI interface, and the second Type C interface and the HDMI interface are electrically connected with the display screen.

10. The multi-functional extension device for a small form factor computer according to any one of claims 1 to 9, wherein, ​

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