CN211979656U - Expansion device, external device and electronic system - Google Patents

Abstract

The application discloses extension equipment, external equipment and an electronic system, relates to the technical field of electronic equipment and mainly solves the problem. The main technical scheme of the application is as follows: the expansion equipment comprises a shell, a first interface, a second interface and a first connecting part, wherein the shell at least comprises a first surface and a second surface, the first surface faces to a surface for bearing the bearing surface of the expansion equipment, and the second surface is different from the first surface; the first interface is used for connecting a main device; the second interface is used for connecting external equipment, and when the first interface is connected with the main equipment and the second interface is connected with the external equipment, the expansion equipment can form a passage between the main equipment and the external equipment; the first connecting portion is capable of cooperating with a second connecting portion to reduce relative movement of a device having the second connecting portion with respect to the second surface.

Description

Expansion device, external device and electronic system

Technical Field

The present application relates to the field of electronic devices, and in particular, to an expansion device, an external device, and an electronic system.

Background

An expansion device, such as a docking station, is used to expand the functionality of a host device, such as a notebook or cell phone; the device is connected with various external devices such as a driver, a display, a keyboard, a printer or a scanner and the like through interfaces and slots, and is used for overcoming the defect that the main device, particularly the light and thin main device, has less self-contained functions.

However, with the increase of the number of connected devices, the problem of unstable placement of the devices is easy to occur.

Content of application

In view of this, embodiments of the present application provide a method, which mainly aims to solve a problem that multiple devices are prone to unstable placement when an expansion device is connected to other multiple devices.

In order to achieve the above purpose, the present application mainly provides the following technical solutions:

an embodiment of the present application provides an extension device, which includes:

the shell is provided with at least a first surface and a second surface, the first surface is a surface facing the bearing surface for bearing the expansion equipment, and the second surface is different from the first surface;

the first interface is used for connecting a main device;

the second interface is used for connecting external equipment, and when the first interface is connected with the main equipment and the second interface is connected with the external equipment, the extension equipment can form a passage between the main equipment and the external equipment;

a first connection portion cooperable with a second connection portion to reduce relative movement of a device having the second connection portion with respect to the second surface.

Optionally, the expansion device, wherein the second surface is opposite the first surface;

the first interface and/or the second interface are/is arranged on a third surface, wherein the third surface is a surface between the first surface and the second surface;

wherein the device having the second connection portion is the external device.

Optionally, in the expansion device, the first connecting portion is disposed on the housing along a first direction, and the first connecting portion is capable of being slidably engaged with the second connecting portion, so that the device having the second connecting portion is only capable of sliding along the first direction and/or a reverse direction thereof relative to the second surface.

Optionally, in the expansion device, the first connecting portion is a sliding groove, and the sliding groove includes a first sliding groove and a second sliding groove;

the first sliding groove and the second sliding groove are respectively arranged on two opposite side surfaces adjacent to the second surface on the shell along the first direction and are matched with equipment with a second connecting part as a moving mechanism; or

The first connecting part is a moving mechanism which comprises a first moving mechanism and a second moving mechanism; the first moving mechanism and the second moving mechanism are respectively arranged on two opposite side surfaces adjacent to the second surface on the shell along a first direction and are matched with equipment with a second connecting part as a sliding chute; or

The first connecting part is of a concave structure, and the concave structure is arranged on the second surface along a first direction and is matched with equipment with a convex structure of the second connecting part; or

The first connecting portion is a protruding structure, and the protruding structure is arranged on the second surface along the first direction and is matched with equipment with the second connecting portion which is a recessed structure.

Optionally, the expansion device is provided with a first connecting part arranged on the housing, and the first connecting part can be matched with the second connecting part to maintain the position relation of the device with the second connecting part relative to the second surface.

Optionally, in the expansion device, the first connection portion includes an accommodating portion and a limiting portion;

the accommodating part comprises a first accommodating groove and a second accommodating groove, and the first accommodating groove and the second accommodating groove are arranged on two adjacent opposite side surfaces of the second surface along a first direction; at least one of the first accommodating groove and the second accommodating groove is provided with the limiting part;

the limiting part comprises a contact part;

the contact piece is arranged in the first accommodating groove and/or the second accommodating groove along a direction perpendicular to the contact direction of the second connecting part; the first end of the contact piece is fixedly connected with the first accommodating groove and/or the second accommodating groove, and the second end of the contact piece is freely suspended and used for being contacted with the second connecting part to deform;

wherein, spacing portion still includes elastic component and fixing base:

the fixed seat is arranged on the inner wall of the first accommodating groove and/or the second accommodating groove close to the second end of the contact part;

the elastic component is arranged along the abutting direction of the abutting component, one end of the elastic component abuts against the second end of the abutting component, and the other end of the elastic component abuts against the fixed seat and is used for providing force for the restoring deformation of the abutting component.

In another aspect, an embodiment of the present application provides an external device, which includes:

a third interface, configured to connect to the second interface of the expansion device, where the expansion device includes a first interface for connecting to a main device and a second interface for connecting to an external device, and when the third interface of the external device is connected to the second interface of the expansion device and the first interface of the expansion device is connected to the main device, a path between the external device and the main device can be formed;

a second connection portion cooperable with the first connection portion to reduce relative movement of the external device at a second surface of the expansion device having the first connection portion.

Optionally, in the external device, the second connection portion is a moving mechanism, and the second connection portion is disposed on two sides of the external device along a first direction and is matched with an expansion device having a sliding chute as the first connection portion; or

The second connecting parts are sliding grooves, are arranged on two sides of the external equipment along a first direction and are matched with the expansion equipment with the first connecting parts as the moving mechanisms; or

The second connecting part is a protruding structure, and the protruding structure is arranged on the bottom surface of the external device and is matched with the expansion device with the first connecting part as a recessed structure; or

The first connecting part is of a concave structure, and the concave structure is arranged on the bottom surface of the external equipment and is matched with the expansion equipment with the first connecting part of a convex structure; or

The second connecting portion are protruding structures, the protruding structures are arranged on the bottom face of the external device and are matched with the expansion device with the first connecting portion as the containing portion and the limiting portion.

In another aspect, an embodiment of the present application provides an electronic system, which includes any one of the expansion devices described above and any one of the external devices described above;

the expansion device forms a passageway with the external device, the external device being on the second surface of the expansion device.

Optionally, the electronic system further includes: a connecting member;

the connecting piece is used for connecting the second interface of the expansion equipment with the third interface of the external equipment;

the connection direction of the second interface of the expansion device and the third interface of the external device is different from the direction of relative movement of the external device relative to the expansion device;

wherein the connecting piece has preset elasticity;

a first distance is arranged between the first end and the second end of the connecting piece;

the expansion device is provided with at least two second interfaces, the second surface of the expansion device is provided with at least two parking positions corresponding to the two second interfaces, when the external device is located at any parking position on the second surface, a second distance is reserved between the third interface of the external device and the second interface of the expansion device, and the second distance is matched with the first distance.

The expansion equipment, the external equipment and the electronic system are used for solving the problem that the equipment placement is unstable after the expansion equipment is connected with other equipment; the extension device in the application document is provided with a first interface and a second interface which are respectively used for connecting the main device and the external device, so that an electric path between the main device and the external device is realized; the technical scheme that this application provided can make external equipment or main equipment be on the second surface of extension equipment when making external equipment or main equipment and extension equipment electric connection, and the unstability when preventing external equipment or main equipment and extension equipment from being connected is put.

Drawings

Fig. 1 is a schematic structural diagram of an expansion device provided in an embodiment of the present application;

FIG. 2 is an external device provided by an embodiment of the present application for cooperating with the expansion device of FIG. 1;

fig. 3 is another schematic structural diagram of an expansion device provided in an embodiment of the present application;

FIG. 4 is an external device provided by an embodiment of the present application for cooperating with the expansion device of FIG. 3;

FIG. 5 is a schematic diagram of an electronic system according to an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of an expansion device provided in an embodiment of the present application;

FIG. 7 is an external device provided by an embodiment of the present application for cooperating with the expansion device of FIG. 6;

FIG. 8 is a schematic cross-sectional view taken along A-A of FIG. 6;

fig. 9 is a schematic structural diagram of an electronic system according to an embodiment of the present application;

in the figure: the expansion device 1, the housing 2, the first surface 21, the second surface 22, the first interface 3, the second interface 4, the main device 5, the external device 6, the first direction a, the first sliding groove 7, the moving mechanism 9, the concave structure 10, the convex structure 11, the first receiving groove 12, the second receiving groove 13, the abutting part 14, the elastic part 15, the fixed seat 16, the third interface 17, and the connecting part 18.

Detailed Description

To further explain the technical means and effects of the present application for achieving the intended application, the following detailed description is given for the embodiments, structures, features and effects of the expansion device, the external device and the electronic system according to the present application with reference to the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

The embodiment of the application is as follows:

example 1

The application provides an expansion device 1, which comprises a shell 2, a first interface 3, a second interface 4 and a first connecting part; the casing 2 has at least a first surface 21 and a second surface 22, the first surface 21 is a surface facing a bearing surface for bearing the expansion device 1, and the second surface 22 is different from the first surface 21; the first interface 3 is used for connecting a main device 5; the second interface 4 is configured to connect to an external device 6, and when the first interface 3 is connected to the main device 5 and the second interface 4 is connected to the external device 6, the expansion device 1 can form a path between the main device 5 and the external device 6; the first connection portion is capable of cooperating with a second connection portion to reduce relative movement of a device having the second connection portion with respect to the second surface 22.

Specifically, in order to solve the problem that the existing expansion device and other devices are not stable in placement, the expansion device 1 provided in the embodiment of the present application includes the housing 2, the first interface 2, the second interface 4, and the first connection portion; the first connecting portion is matched with the equipment with the second connecting portion, so that the equipment with the second connecting portion can be located on the second surface 22 of the expansion equipment 1, at the moment, the external equipment 6 is electrically conducted with the main equipment 5 through the electrical connection of the first interface 2 and the second interface 3, data transmission or electric energy transmission is carried out, and then the external equipment 6 or the main equipment 5 is stably placed on a desktop or the surface bearing the bearing surface of the expansion equipment 1 and is not easy to fall off or shift.

The housing 2 has a structure with an accommodating space, and may be formed by the first interface 3, the second interface 4, the first connection portion, and other components passing through the accommodating space or the mounting carrier, and may have any shape, for example: a rectangular parallelepiped, a cube, a cylinder, a table, etc., in this embodiment, a rectangular parallelepiped is used as an example for description; the first surface 21 of the housing 2 is a surface facing a carrying surface for carrying the expansion device 1, that is, the first surface 21 contacts a carrying surface of a table top or other carrying object, and the second surface 22 is a different surface from the first surface 21, for example: the opposite side of the first surface 21, or another surface adjacent to the first surface 21, as long as it is possible to provide a placement surface for the device having the second connection portion; the first interface 3 and the second interface 4 are interfaces that can complete circuit conduction and data transmission, and may be an electrical connection port in a physical form or an interface in a wireless signal form, for example: a USB interface (type-a/B/C interface), a network connection port, a lightning port, etc., as long as the electrical connection or data transmission between the host device 5 and the external device 6 can be completed, it should be understood that when the first interface 3 and the second interface 4 are in the form of wireless interfaces, the corresponding external device 6 and the host device 5 are provided with a wireless adapter to be physically connected with the interfaces, and perform wireless signal transmission between the external device 6 and the host device 5; meanwhile, the number of the second interfaces 4 is not limited, and the same main device 5 can be simultaneously connected with a plurality of external devices 6; wherein the first and second connections cooperate to reduce relative motion in the relative motion of the device having the second connection relative to the second surface 22 comprises reduced or no motion, such as: the first connecting portion is a flexible and detachable connecting structure, and can be matched with the second connecting portion to realize relative sliding or clamping, so as to reduce relative movement of the equipment with the second connecting portion on the second surface 22, the second connecting portion is a connecting structure with flexible and detachable performance as the first connecting portion, and the specific structures of the first connecting portion and the second connecting portion will be described in detail in the following embodiments; wherein the device having the second connecting portion may be the main device 5 or the external device 6, that is, either the main device 5 or the external device 6 can be located on the second surface 22 of the expansion device 1 to reduce the desktop occupation thereof; the main device 5 is a laptop, a desktop computer, a mobile phone, a watch, a tablet computer and the like, and the external device 6 is a hard disk, a usb disk, a mobile phone, a PAD, a power bank and the like.

According to the above list, the expansion device 1 in this document is provided with the first interface 3 and the second interface 4, which are respectively used for connecting the main device 5 and the external device 6, so as to implement an electrical path between the main device 5 and the external device 6, and the expansion device 1 is provided with the first connection part, which is matched with the second connection part on the main device 5 or the external device 6, so that the main device 5 or the external device 6 is located on the second surface of the expansion device 1 while the electrical path is implemented between the main device 5 or the external device 6; the technical scheme that this application provided can make it be on the second surface of extension equipment 1 when with external equipment 6 or main equipment 5 and extension equipment 1 electrical connection, prevents that external equipment 6 or main equipment 5 from putting with the unstability when extension equipment is connected.

The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, with the specific understanding that: a and B can be contained simultaneously, A can exist independently, B can exist independently, and any one of the three conditions can be met; wherein the inside and outside are referenced to the inside and outside in the actual installation.

Further, referring to fig. 5 and fig. 9, in an implementation of an expanding device provided in the embodiment of the present application, the second surface 22 is disposed opposite to the first surface 21;

the first interface 3 and/or the second interface 4 are/is arranged on a third surface, wherein the third surface is a surface between the first surface 21 and the second surface 22;

wherein the device having the second connection portion is the external device 6.

Specifically, in order to ensure that the extension device 1 does not occupy an extra area of a desktop and save space when the main device 5 and the external device 6 are electrically connected, in this embodiment, the second surface 22 is set to be a surface opposite to the first surface 21, that is, the first surface 21 is a bottom surface of the extension device 1, and the second surface 22 is a top surface of the extension device 1, when the external device 2 is electrically connected to the main device 5 through the extension device 1, the external device 2 is located on the second surface 22, which is equivalent to that the external device 2 and the extension device 1 are in a stacked state, and the external device 2 is located on the top surface and is also stable; meanwhile, in order to enable the first interface 3 and/or the second interface 4 not to be interfered by the relative movement of the external device 6 when the external device 6 with the second connection portion is located on the second surface 22 of the expansion device 1, in this embodiment, the first interface 3 and the second interface 4 are arranged on a third surface, that is, any other surface between the first surface 21 and the second surface 22, referring to fig. 1, when the housing 2 of the expansion device 1 is a rectangular parallelepiped, the first surface 21 and the second surface 22 are respectively a bottom surface and a top surface, and then the third surface is a side wall of the rectangular parallelepiped housing 2; in this case, the two types of ports of the first interface 3 and the second interface 4 may be simultaneously disposed on the same third surface, or the two types of ports may be disposed on different third surfaces, respectively, or certainly, the two types of ports may be disposed on the second surface 22 simultaneously or non-simultaneously, which is not difficult for those skilled in the art to realize, as long as the first interface 3 can realize the electrical connection between the main device 5 and the expansion device 1, and the second interface 4 can realize the electrical connection between the external device 6 and the expansion device 1. The device having the second connection portion is the external device 6, in this case, the main device 5 may also be provided with the second connection portion, so that the main device 5 can be stacked on the second surface 22, or the main device 5 is separately placed and electrically connected to the expansion device only through a cable without a relative positional relationship.

Further, referring to fig. 1, in an implementation of an expansion device provided in an embodiment of the present application, the first connection portion is disposed on the housing 2 along a first direction a, and the first connection portion is capable of slidably mating with the second connection portion, so that a device having the second connection portion is only capable of sliding along the first direction a and/or an opposite direction with respect to the second surface.

Specifically, in order to realize that the external device 6 is electrically connected to the main device 5 through the expansion device 1, in this embodiment, the first connection portion and the second connection portion may be matched and configured to be a sliding fit, and the first connection portion is configured on the housing 2 along the first direction a, so that when the second connection portion is matched and slid with the first connection portion, the external device 6 with the second connection portion can slide on the second surface 22 along the first direction a or the direction opposite to the first direction a (be retained on the second surface 22 or be separated from the second surface 22); in the case where the housing 2 is a rectangular body, the first direction a is a longitudinal direction or a width direction of the housing 2, and a left-right direction or a front-back direction in fig. 1.

Further, referring to fig. 1 and fig. 2, in a specific implementation of the expansion device provided in the embodiment of the present application, the first connecting portion is a chute, and the chute includes a first chute 7 and a second chute;

the first sliding chute 7 and the second sliding chute are respectively arranged on two opposite side surfaces of the shell 2 adjacent to the second surface 22 along the first direction a, and are matched with equipment with a second connecting part as a moving mechanism 9; or

The first connecting part is a moving mechanism which comprises a first moving mechanism and a second moving mechanism; the first moving mechanism and the second moving mechanism are respectively arranged on two opposite side surfaces of the shell 2 adjacent to the second surface 22 along a first direction a, and are matched with equipment with a second connecting part as a sliding chute; or

The first connecting part is a concave structure 10, the concave structure 10 is arranged on the second surface 22 along a first direction a, and is matched with equipment with a second connecting part which is a convex structure 11; or

The first connecting portion is a protruding structure, and the protruding structure is arranged on the second surface along the first direction and is matched with equipment with the second connecting portion which is a recessed structure.

Specifically, in order to enable the external device 6 or the main device 5 to slide relatively on the second surface 22, in this embodiment, the first connecting portion and the second connecting portion may be configured in a manner that a sliding groove is matched with a moving mechanism, or a protruding structure is matched with a recessed structure;

for example: in fig. 1, the first connecting portion is configured as a sliding chute, that is, a first sliding chute 7 and a second sliding chute need to be correspondingly disposed on two opposite side surfaces of the housing 2, that is, the first sliding chute 7 and the second sliding chute are disposed along the length or width direction of the rectangular parallelepiped housing 2, and both ends (such as the left and right direction of fig. 1) of the first sliding chute 7 and the second sliding chute along the first direction a may be both communicated with the side wall of the housing 2, or one end may be communicated with the other end, so that the external device 6 or the moving mechanism 9 of the main device 5 can enter the sliding chute in a matching manner; correspondingly, as shown in fig. 2, it is necessary to provide the moving mechanisms 9 on two opposite edges of the surface of the external device 6 or the main device 5 facing the second surface 22, wherein both moving mechanisms extend towards each other, so that both moving mechanisms can be inserted into the sliding groove, and the moving mechanism 9 on the external device 6 or the main device 5 can slide or park in the first direction a or the opposite direction in the first sliding chute 7 and the second sliding chute, thereby causing the external device 6 or the main device 5 to slide and park on the second surface 22, and at this time, the physical connection between the external device 6 or the main device 5 and the expansion device 1 is completed, the external device 6 or the main device 5 cannot fall off from the second surface 22, and the external device 6 or the main device 5 is prevented from falling off from the second surface 22 to cause device damage; wherein, the moving mechanism 9 can be a slide block or a pulley; meanwhile, the second interface 4 of the expansion device 1 and the third interface 17 of the external device 6 can be electrically connected, and the first interface 3 of the expansion device 1 and the main device 5 are electrically connected, so that the external device 6 and the main device 5 are electrically connected; or conversely, a moving mechanism is arranged on the shell 2 of the expansion device 1, and a sliding groove is arranged on the external device 6 or the main device 5, so that the relative sliding of the two devices can be realized; the sliding engagement of the sliding groove and the moving mechanism is easy to be realized by those skilled in the art, and will not be described in detail herein.

For another example: in fig. 3, the first connecting portion is configured as a recessed structure 10, the recessed structure 10 is disposed on the second surface 22 along the first direction a, that is, the recessed structure 10 is disposed along the length or width direction of the rectangular parallelepiped housing 2, both ends (e.g., the left and right directions of fig. 2) of the recessed structure 10 along the first direction a may be both communicated with the side wall of the housing 2, or one end may be communicated with the other end, so that the protruding structure 11 of the external device 6 or the main device 5 can enter the recessed structure 10 in a matching manner, where the recessed structure 10 is preferably in a strip shape (e.g., horseshoe shape, rectangle, etc.); correspondingly, as shown in fig. 4, it is necessary to provide the protruding structures 11 on the surface of the external device 6 or the main device 5 facing the second surface 22, the cross-sectional shapes of the convex structures 11 and the concave structures 10 in the same direction are the same, so that the concave structures 10 can be used as sliding tracks of the convex structures 11, whereby the protruding structures 11 on the external device 6 or the main device 5 can slide or park in the first direction a or in the opposite direction within the recessed structures 10, thereby bringing the external device 6 or the main device 5 to slide or stop on the second surface 22, at which time, the physical connection between the external device 6 or the main device 5 and the expansion device 1 is completed, the external device 6 or the main device 5 cannot fall off from the second surface 22, and the external device 6 or the main device 5 is prevented from falling off from the second surface 22 to cause device damage; meanwhile, the second interface 4 of the expansion device 1 and the third interface 17 of the external device 6 can be electrically connected, and the first interface 3 of the expansion device 1 and the main device 5 are electrically connected, so that the external device 6 and the main device 5 are electrically connected; or vice versa, a convex structure is arranged on the second surface 22 of the shell 2 of the expansion device 1, and a concave structure is arranged on the external device 6 or the main device 5, so that relative sliding of the two can be achieved; the form of the concave structure 10 and the convex structure 11 is similar to the principle of the sliding slot and the moving mechanism, and is easily implemented by those skilled in the art, and it is not described herein too much, wherein a roller may be further disposed in the concave structure 10 or on the surface of the convex structure 11 to reduce the friction force during the sliding motion.

Further, in an implementation of an expansion device provided by the embodiment of the present application, the first connection portion is disposed on the housing 2, and the first connection portion is capable of cooperating with the second connection portion to maintain a positional relationship of a device having the second connection portion with respect to the second surface 22.

Specifically, in order to realize that the external device 6 is electrically connected to the main device 5 through the expansion device 1, in this embodiment, the first connection portion and the second connection portion are engaged with each other to form a snap-fit engagement, so that the external device 6 or the main device 5 can be fixed on the second surface 22 of the expansion device 2 when engaged with the expansion device 1.

Further, referring to fig. 6 and 8, the first connecting portion includes an accommodating portion and a position-limiting portion;

the accommodating portion comprises a first accommodating groove 12 and a second accommodating groove 13, and the first accommodating groove 12 and the second accommodating groove 13 are arranged on two adjacent opposite side surfaces of the second surface 22 along a first direction a; at least one of the first receiving groove 12 and the second receiving groove 1312 is provided with the limiting part;

the stopper portion includes a contact member 14;

the contact piece 14 is arranged in the first accommodating groove 12 and/or the second accommodating groove 13 along a direction perpendicular to the contact direction of the second connecting part; a first end of the contact piece 14 is fixedly connected with the first accommodating groove 12 and/or the second accommodating groove 13, and a second end of the contact piece 14 is freely suspended and used for being contacted with the second connecting part to deform;

wherein, spacing portion still includes elastic component 15 and fixing base 16:

the fixed seat 16 is arranged on the inner wall of the first accommodating groove 12 and/or the second accommodating groove 13 close to the second end of the contact piece 14;

the elastic piece 15 is arranged along the abutting direction of the abutting piece 14, one end of the elastic piece 15 abuts against the second end of the abutting piece 14, and the other end of the elastic piece 15 is connected with the fixed seat 16 and used for providing force for the restoring deformation of the abutting piece 15.

Specifically, in order to realize the clamping connection between the first connection portion and the second connection portion, in this embodiment, a first receiving groove 12 and a second receiving groove 13 are disposed on two opposite side walls of the rectangular parallelepiped housing 2, second connection portions are respectively disposed on two opposite edges of a surface of the external device 6 or the main device 5 facing the second surface 22, the two second connection portions extend toward each other, a distance between the two second connection portions is smaller than a distance between two surfaces where the first receiving groove 12 and the second receiving groove 13 are located, and the second connection portions are in the form of a protrusion or a protrusion in this embodiment so as to be inserted into the receiving grooves; meanwhile, a collision part 14 serving as a limiting part is arranged in at least one of the first accommodating groove 12 and the second accommodating groove 13, as shown in fig. 8, the collision part 14 is arranged along a direction perpendicular to a collision direction of the second connecting part, and a left direction and a right direction in the drawing are the collision direction of the second connecting part, so that an up-down direction in the drawing is the setting direction of the collision part 14, wherein the collision part 14 has certain elasticity, and is deformed by external force and is restored to be deformed by disappearance of the external force, for example: metal domes and the like; further, as shown in fig. 9, a second connection portion is first inserted into the first receiving groove 12 or the second receiving groove 13, and the second connection portion abuts against the abutting portion 14, so that the abutting portion 14 deforms toward the receiving groove, and the second connection portion can penetrate into the first receiving groove 12 or the second receiving groove 13, at this time, the second connection portion on the other side is pressed downward and clamped into the other receiving groove, and thus the physical connection between the external device 6 or the main device 5 and the expansion device 1 is completed, the external device 6 or the main device 5 cannot fall off from the second surface 22, and the external device 6 or the main device 5 is prevented from falling off from the second surface 22 to cause device damage; meanwhile, the second interface 4 of the expansion device 1 and the third interface 17 of the external device 6 can be electrically connected, and the first interface 3 of the expansion device 1 and the main device 5 are electrically connected, so that the external device 6 and the main device 5 are electrically connected; the contact element 14 may be provided in only one of the first receiving slot 12 and the second receiving slot 13, or the contact element 14 may be provided in both of the first receiving slot 12 and the second receiving slot 13, where when one of the first receiving slot 12 and the second receiving slot 13 is provided with the contact element 14, it is limited that the order of clamping the external device 6 or the main device 5 must be started from the side having the contact element 14 first, and when the contact element 14 is provided in both of the first receiving slot and the second receiving slot, there is no order limitation; the first receiving groove 12 and the second receiving groove 13 may be continuously or discontinuously disposed on the housing 2, and when the first receiving groove 12 and the second receiving groove 13 are continuously disposed, it indicates that the external device 6 or the host device 5 may be parked at any position of the second surface 22, and when the first receiving groove 12 and the second receiving groove 13 are discontinuously disposed, it indicates that the external device 6 or the host device 5 may be parked only at the position where the first receiving groove 12 and the second receiving groove 13 are disposed.

Specifically, in order to ensure the clamping firmness of the second connection portion and the first connection portion, in this embodiment, the elastic member 15 and the fixed seat 16 are further disposed in the limiting portion, the fixed seat 16 is disposed according to the disposition of the contact member 14, the fixed seat 16 is disposed in the accommodating groove having the contact member 14, the fixed seat 16 has an accommodating space, the second end of the contact member 14 and the elastic member 15 are both accommodated therein, when the second connection portion abuts against the contact member 14, the contact member 14 deforms to drive the elastic member 15 to deform, and at the same time, the elastic member 15 provides a reverse force for the second end of the contact member 14 to restore the deformation, if the second connection portion is still in the accommodating groove, the second end of the contact member 14 is sandwiched between the second connection portion and the elastic member 15, the firmness degree of the second connecting part in the accommodating groove can be better limited, and if the second connecting part leaves the accommodating groove, the elastic body 15 and the contact piece 14 can both recover the deformation; the fixing seat 16 is not limited to be disposed at the second end of the contact element 14, and the first end of the contact element 14 may also be disposed to ensure the firmness of the first end of the contact element 14; the elastic member 15 may be an elastic body such as rubber or a spring.

Example 2

Referring to fig. 2, 4 and 7, the embodiment of the present application provides an external device 6 including a third interface 17 and a second connection portion; the third interface 17 is used for connecting the second interface 4 of the expansion device 1, wherein the expansion device 1 includes the first interface 3 for connecting the main device 5 and the second interface 4 for connecting the external device 6, and when the third interface 17 of the external device 6 is connected to the second interface 3 of the expansion device 1 and the first interface 3 of the expansion device 1 is connected to the main device 5, a path between the external device 6 and the main device 5 can be formed; the second connection portion is capable of cooperating with the first connection portion to reduce relative movement of the external device 6 on the second surface 22 of the expansion device 1 having the first connection portion.

Specifically, referring to the content of embodiment 1, in order to solve the problem that an expansion device is easily placed unstably when connected to an external device, in this embodiment, an external device 6 is provided, which includes the third interface 17 and the second connecting portion, and the second connecting portion is provided to be matched with the first connecting portion on the expansion device 1 in embodiment 1, so that when the third interface 17 of the external device 6 is connected to the second interface 4 of the expansion device 1, the external device 6 can be located on the second surface 22 of the expansion device 1, so as to reduce a desktop space occupied by the external device 6 when connected to the main device 5 through the expansion device 1; the external device 6 may be a hard disk, a usb disk, a mobile phone, a PAD, a power bank, or the like, which can perform power transmission or data transmission with the main device 5.

Specifically, referring to the details of embodiment 1, in this embodiment, the second connection portion is provided in the following forms:

the second connecting parts are moving mechanisms 9, are arranged on two sides of the external equipment 6 along a first direction a, and are matched with the expansion equipment 1 with the first connecting parts as sliding chutes; or

The second connecting parts are sliding grooves, are arranged on two sides of the external equipment 6 along a first direction a and are matched with expansion equipment with a first connecting part as a moving mechanism; or

The second connecting part is a convex structure 10, and the convex structure 10 is arranged on the bottom surface of the external device 6 and is matched with the expansion device 1 with the first connecting part being a concave structure 11; or

The first connecting part is a concave structure 11, the concave structure 11 is arranged on the bottom surface of the external device 6 and is matched with the expansion device 1 with the first connecting part being a convex structure 10; or

The second connecting part is a protruding structure 10, and the protruding structure 10 is arranged on the bottom surface of the external device 6 and is matched with the expansion device 1 with the first connecting part as an accommodating part and a limiting part; for a specific implementation, please refer to the detailed description of embodiment 1, which is not described herein.

Example 3

Referring to fig. 5 and 9, the embodiment of the present application provides an electronic system, which includes an expansion device 1 according to the embodiment and an external device 6 according to the embodiment 2; the expansion device 1 and the external device 6 form a passage, and the external device 6 is arranged on a second surface of the expansion device 1.

Specifically, in order to solve the problem that the placement is unstable when the expansion device is connected to the external device, the embodiment provides an electronic system, which includes the expansion device 1 in embodiment 1 and the external device 6 in embodiment 2, and when an electrical path is formed between the second interface 4 of the expansion device 1 and the third interface 17 of the external device 6, the external device 6 is located on the second surface 22 of the expansion device 1, thereby ensuring that the external device 6 does not occupy the extra space of the desktop.

Further, referring to fig. 5 and fig. 9, the embodiment of the present application provides an electronic system, which in specific implementation, further includes: connecting piece 18

The connector 18 connects the second interface 4 of the expansion device 1 with the third interface 17 of the external device 6;

wherein the connection direction of the second interface 4 of the expansion device 1 and the third interface 17 of the external device 6 is different from the direction of the relative movement of the external device 6 with respect to the expansion device 1;

wherein the connecting piece 18 has a predetermined elasticity;

the first end and the second end of the connecting member 18 have a first distance therebetween;

wherein, the expansion device 1 has at least two second interfaces 4, and the second surface 22 of the expansion device 1 has at least two parking positions corresponding to the two second interfaces 4, when the external device 6 is located at any parking position on the second surface 22, a second distance is provided between the third interface 17 of the external device 6 and the second interface 4 of the expansion device 1, and the second distance is adapted to the first distance.

Specifically, in order to ensure that the connection cable is not too disordered when the external device 6 is connected to the second surface 22 of the expansion device 1, the connection element 18 is provided in this embodiment, the connection element 18 is actually a connection cable, two ends of the connection element 18 are respectively provided with a connection port, types of the two connection ports are adapted to the second interface 3 and the third interface 17 and are respectively used for being connected to the second interface 3 and the third interface 17, the connection ports at two ends of the connection element 18 need to be at positions different from the second surface 22 of the expansion device 1 in the connection process, so that mutual interference between the bearing and connection of the expansion device 1 and the external device 6 can be avoided as much as possible, for example: when the external device 6 is located on the second surface 11 of the expansion device 1, the third interface 17 of the external device 6 and the second interface 4 of the expansion device 1 are located on the same side, facing the same side, or located on the same side as the third surface of the expansion device 1, and the third interface 17 and the second interface 4 have only a distance difference in the height direction, and the distance difference is compensated by the connecting member 18.

The connecting element 18 is in this embodiment of a predetermined elasticity, which can be bent into a predetermined shape, for example: the U-shape in fig. 5 and 9 makes one end of the connecting member 18 close to the other connecting body by bending after the external device 6 or the expansion device 1 has been connected, so that a short cable can be connected, and disorder caused by too much and too long connecting cable is avoided; at this time, a first distance is formed between the first end and the second end of the connecting member 18, and the first distance may be a linear distance between the two ends of the connecting member 18, or a vertical distance in the up-down direction after the two ends of the connecting member 18 are connected to the external device 6 and the expansion device 1, respectively;

wherein, referring to the content of embodiment 1, at least 2 second interfaces 4 are provided on the expansion device 1, that is, the expansion device 1 can be connected with at least 2 external devices 6 simultaneously, and at least two external devices 6 are located on the second surface 22, the distance between the third interface 17 of each external device 6 and the corresponding second interface 4 of the expansion device 1 is a second distance in the height direction, each external device 6 is connected to the expansion device 1 through the connecting member 18, the second distance is adapted to the first distance, it will be appreciated that the straight line distance between the ends of the connector 18 after bending is made to be the same as or slightly greater than the second distance to ensure that the connection can be made without excess connector length.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are still within the scope of the technical solution of the present invention.

Claims (10)

1. An expansion device, comprising:

the shell is provided with at least a first surface and a second surface, the first surface is a surface facing the bearing surface for bearing the expansion equipment, and the second surface is different from the first surface;

the first interface is used for connecting a main device;

the second interface is used for connecting external equipment, and when the first interface is connected with the main equipment and the second interface is connected with the external equipment, the extension equipment can form a passage between the main equipment and the external equipment;

a first connection portion cooperable with a second connection portion to reduce relative movement of a device having the second connection portion with respect to the second surface.

2. The expansion device of claim 1, wherein:

the second surface is arranged opposite to the first surface;

the first interface and/or the second interface are/is arranged on a third surface, wherein the third surface is a surface between the first surface and the second surface;

wherein the device having the second connection portion is the external device.

3. The expansion device of claim 1, wherein:

the first connecting part is arranged on the shell along a first direction, and the first connecting part can be matched with the second connecting part in a sliding mode, so that the equipment with the second connecting part can only slide along the first direction and/or the reverse direction relative to the second surface.

4. The expansion device of claim 3, wherein:

the first connecting part is a sliding chute which comprises a first sliding chute and a second sliding chute;

the first sliding groove and the second sliding groove are respectively arranged on two opposite side surfaces adjacent to the second surface on the shell along the first direction and are matched with equipment with a second connecting part as a moving mechanism; or

The first connecting part is a moving mechanism which comprises a first moving mechanism and a second moving mechanism; the first moving mechanism and the second moving mechanism are respectively arranged on two opposite side surfaces adjacent to the second surface on the shell along a first direction and are matched with equipment with a second connecting part as a sliding chute; or

The first connecting part is of a concave structure, and the concave structure is arranged on the second surface along a first direction and is matched with equipment with a convex structure of the second connecting part; or

The first connecting portion is a protruding structure, and the protruding structure is arranged on the second surface along the first direction and is matched with equipment with the second connecting portion which is a recessed structure.

5. The expansion device of claim 1, wherein:

the first connecting part is arranged on the shell and can be matched with the second connecting part so as to maintain the position relation of the equipment with the second connecting part relative to the second surface.

6. The expansion device of claim 5, wherein:

the first connecting part comprises an accommodating part and a limiting part;

the accommodating part comprises a first accommodating groove and a second accommodating groove, and the first accommodating groove and the second accommodating groove are arranged on two adjacent opposite side surfaces of the second surface along a first direction; at least one of the first accommodating groove and the second accommodating groove is provided with the limiting part;

the limiting part comprises a contact part;

the contact piece is arranged in the first accommodating groove and/or the second accommodating groove along a direction perpendicular to the contact direction of the second connecting part; the first end of the contact piece is fixedly connected with the first accommodating groove and/or the second accommodating groove, and the second end of the contact piece is freely suspended and used for being contacted with the second connecting part to deform;

wherein, spacing portion still includes elastic component and fixing base:

the fixed seat is arranged on the inner wall of the first accommodating groove and/or the second accommodating groove close to the second end of the contact part;

the elastic component is arranged along the abutting direction of the abutting component, one end of the elastic component abuts against the second end of the abutting component, and the other end of the elastic component abuts against the fixed seat and is used for providing force for the restoring deformation of the abutting component.

7. An external device, comprising:

the third interface is used for connecting a second interface of an expansion device, wherein the expansion device comprises a first interface used for connecting a main device and a second interface used for connecting an external device, and when the third interface of the external device is connected with the second interface of the expansion device and the first interface of the expansion device is connected with the main device, a path between the external device and the main device can be formed;

a second connection portion cooperable with the first connection portion to reduce relative movement of the external device at a second surface of the expansion device having the first connection portion.

8. The external device of claim 7, wherein:

the second connecting parts are moving mechanisms, are arranged on two sides of the external equipment along a first direction and are matched with the expansion equipment with the first connecting parts as sliding chutes; or

The second connecting parts are sliding grooves, are arranged on two sides of the external equipment along a first direction and are matched with the expansion equipment with the first connecting parts as the moving mechanisms; or

The second connecting part is a protruding structure, and the protruding structure is arranged on the bottom surface of the external device and is matched with the expansion device with the first connecting part as a recessed structure; or

The first connecting part is of a concave structure, and the concave structure is arranged on the bottom surface of the external equipment and is matched with the expansion equipment with the first connecting part of a convex structure; or

The second connecting portion are protruding structures, the protruding structures are arranged on the bottom face of the external device and are matched with the expansion device with the first connecting portion as the containing portion and the limiting portion.

9. An electronic system, characterized in that it comprises:

the expansion device of any one of claims 1-6 and the external device of any one of claims 7-8;

the expansion device forms a passageway with the external device, the external device being on the second surface of the expansion device.

10. The electronic system of claim 9, wherein:

further comprising: a connecting member;

the connecting piece is used for connecting the second interface of the expansion equipment with the third interface of the external equipment;

the connection direction of the second interface of the expansion device and the third interface of the external device is different from the direction of relative movement of the external device relative to the expansion device;

wherein the connecting piece has preset elasticity;

a first distance is arranged between the first end and the second end of the connecting piece;

the expansion device is provided with at least two second interfaces, the second surface of the expansion device is provided with at least two parking positions corresponding to the two second interfaces, when the external device is located at any parking position on the second surface, a second distance is reserved between the third interface of the external device and the second interface of the expansion device, and the second distance is matched with the first distance.

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