WO2019017704A1

WO2019017704A1 - Adapter for expanding hardware function of mobile device

Info

Publication number: WO2019017704A1
Application number: PCT/KR2018/008159
Authority: WO
Inventors: 정병우
Original assignee: 정병우
Priority date: 2017-07-19
Filing date: 2018-07-19
Publication date: 2019-01-24

Abstract

An adapter for expanding the hardware function of a mobile device is disclosed. The adapter for expanding the hardware function of a mobile device according to the present invention comprises: a first connecting unit on which a first connector for connecting with a mobile device is formed; a connecting member which is rotatably coupled to the first connecting unit; and a second connecting unit which is rotatably coupled to the connecting member and on which an external device is mounted.

Description

Adapters for extending the hardware capabilities of mobile devices

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an adapter for extending a hardware function of a mobile device, and more particularly, to an apparatus for connecting with a mobile device to expand a hardware function of the mobile device.

Generally, a mobile device such as a smart phone is provided with a connection terminal connected to a power cable for the purpose of charging a battery. The connection terminal is not limited to the one used for charging the battery of the mobile device but is also used for connecting the data transmission cable to enable data transmission with a terminal such as a computer. .

However, a conventional mobile device does not have a terminal directly connected to an external memory such as a USB memory, which provides a separate memory expansion space to supplement the deficient memory of the mobile device. Therefore, in order to overcome such disadvantages, a gender or the like for connecting a mobile device with an external memory is commercially available.

However, since the conventional gender has a shape protruding outward on the mobile device when coupled with the connection terminal of the mobile device, it is possible for the user to use the gender and the external memory, or the auxiliary battery, the LED lamp, the external speaker, It is inconvenient to carry or handle the mobile device with the external device mounted thereon.

It is an object of the present invention to provide an external device to be connected to various types of mobile devices having different shapes and thicknesses as much as possible on one side of the mobile device, thereby not hurting the basic appearance design of the mobile device, The present invention provides an adapter for expanding a hardware function of a mobile device configured to be cumbersome or not burdensome to carry or use a mobile device in a state where the mobile device is in a state of being used.

It is another object of the present invention to provide an adapter for extending a hardware function of a mobile device configured to easily and securely mount and detach a mobile device.

The object is achieved according to the present invention by providing a connector comprising: a first connector having a first connector formed therein for connection with a mobile device; A connecting member rotatably coupled to the first connecting portion; And a second connection portion rotatably coupled to the connection member and to which the external device is mounted.

Preferably, the adapter for hardware function extension further comprises a mount attached to one side of the protective case, which is attached to one side of the mobile device or mounted on the mobile device, and the second connection part is detachably coupled to the mount .

Preferably, the mount may be provided in a flat shape having a predetermined thickness so as not to be cumbersome for a user to carry or use the mobile device while attached to the mobile device or the protective case.

Preferably, the second connection portion is formed with an insertion groove for receiving all or a part of the mount, and the mount can be inserted into the insertion groove and coupled with the second connection portion.

Preferably, the insertion groove may include a side wall surrounding all or a part of the rim side of the mount.

Preferably, the upper surface of the mount and the ceiling surface of the insertion groove are engaged and fixed by a magnetic force when the mount is inserted into the insertion groove of the second connection portion.

Preferably, the second connecting portion is formed with a through opening so that the top surface of the insertion groove is opened, and the mount is located in the through opening when the mount is received in the insertion groove.

Preferably, the second connecting portion includes a turning portion formed with a second connector for connecting the external device and rotatably coupled to the connecting member, and a guide portion extending from the turning portion to mount the external device, And a coupling portion provided at one side of the mounting portion at a position facing the rotary portion.

Preferably, the second connecting portion may include at least one engaging portion for engaging and fixing the mount inserted in the insertion groove.

Preferably, the at least one latching portion is provided so as to protrude toward the insertion groove side, and may be coupled to the fitting groove formed on the side of the rim of the mount.

Preferably, the at least one latching portion may be engaged with or disengaged from the fitting groove of the mount by an operation of a latch switch provided at one side of the second connecting portion.

Preferably, the second connecting portion includes a turning portion formed with a second connector for connecting the external device and rotatably coupled to the connecting member, and a connecting portion extending from the turning portion to mount the external device, As shown in FIG.

Preferably, the connecting member may be provided in a shape corresponding to a shape and a thickness of a rim of the mobile device, such that the second connecting portion rotates with respect to the connecting member and is brought into close contact with the back surface of the mobile device.

Preferably, the adapter for hardware function extension includes: a protective cover coupled to the second connection unit so as to open and close the upper side of the second connection unit so as to protect the external device mounted on the second connection unit; And a grip rotatably mounted on one side of the second connection unit.

Preferably, the external device is an auxiliary battery, and the second connection portion may be provided as a battery housing that receives the auxiliary battery and electrically connects the auxiliary battery to the first connector of the first connection portion.

The adapter for hardware function extension of the mobile device according to the present invention can be applied to various types of mobile devices having different shapes and thickness by applying a composite pivoting structure leading to a first connecting part, a connecting member and a second connecting part Since the external device can be brought into close contact with one side of the mobile device as much as possible, it does not hurt the basic appearance design of the mobile device and exerts a cumbersome or burdensome effect in carrying or using the mobile device with the external device connected thereto.

Further, the adapter for extending the hardware function of the mobile device according to the present invention is easy to attach and detach to the mobile device by applying the structure in which the mount is attached to one surface of the mobile device and detachably coupled to one surface of the mobile device through the mount So that it is possible to maintain a stable coupling.

1 and 2 are perspective views of an adapter for hardware function expansion of a mobile device according to an embodiment of the present invention.

Fig. 3 is an exploded perspective view of Fig.

4 is an exploded perspective view showing an interlocking structure of the first and second latching portions according to the embodiment of the present invention.

5 and 6 are a bottom view showing the interlocking structure of the first and second fastening portions according to the embodiment of the present invention.

7 is a perspective view illustrating a mobile device expansion pack mounted on the back of a mobile device according to an embodiment of the present invention.

FIG. 8 is a diagram illustrating a state of use of an adapter for extending a hardware function of a mobile device according to an embodiment of the present invention

9 is a graphical representation of a state of use in which a mobile device is tilted in accordance with one embodiment of the present invention.

10 is a use state section of an adapter for hardware function expansion of a mobile device according to another embodiment of the present invention

11 and 12 are diagrams showing a state of use of an adapter for hardware function expansion of a mobile device according to another embodiment of the present invention

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It is to be understood, however, that the embodiments described below are only for explanation of the embodiments of the present invention so that those skilled in the art can easily carry out the invention, It does not mean anything. In describing various embodiments of the present invention, the same reference numerals are used for components having the same technical characteristics.

FIG. 1 and FIG. 2 are perspective views of adapters for expanding hardware functions of a mobile device according to an embodiment of the present invention, and FIG. 3 is an exploded perspective view of FIG.

1 to 3, an adapter 100 for hardware function expansion of a mobile device according to an embodiment of the present invention includes a first connector 200 in which a first connector 210 is formed, A second connector 400 that is rotatably coupled to the connection member 300 and includes a second connector 421 and a second connector 400 that is rotatably coupled to the mobile device 200 such as a smart phone, And a mount 500 attached to the first connector 10 (see FIG. 8) to which the second connector 400 is detachably coupled.

The first connector 200 may be provided in a block shape, and a first connector 210 for connecting with the mobile device 10 is formed on one side. The first connector 210 of the first connection part 200 may be connected to a connection terminal formed on the bottom or side of the edge of the mobile device 10.

The connecting member 300 may be hinged to the first connecting portion so that one end of the connecting member 300 is rotatable with respect to the first connecting portion 200 so that the other end of the connecting member 300 can be rotated toward the back surface of the mobile device 10. [ The connection member 300 is disposed at a position adjacent to the rim of the mobile device 10 so that the second connection unit 400 can be rotated relative to the connection member 300, It is preferable that it is provided in a shape corresponding to the shape and thickness of the rim of the device 10. For example, as shown in FIGS. 1 and 2, the connecting member 300 may be provided in the form of a block with both ends of the longitudinal direction bent at a predetermined angle with respect to the center portion in consideration of the thickness of the edge of the mobile device 10. As another example, the connecting member 300 may be provided in the shape of a block having a rectangular elliptical cross section, or may be provided in the shape of a block having an arc-shaped cross section bent at a predetermined angle.

The second connection unit 400 may be hinged to the connection member 300 so that one end of the second connection unit 400 is rotatable with respect to the connection member 300 so that the other end of the second connection unit 400 can be rotated toward the back surface of the mobile device 10. The second connector 400 is a portion to which the external device 20 is mounted and a second connector 421 for connecting to the external device 20 is formed on one side. The connection terminal of the external device 20 may be connected to the second connector 421 as shown in FIG. Here, the external device 20 may include a peripheral device of a mobile device such as a portable removable disk including a USB memory, an OTG USB memory, and an SD card, a secondary battery, an LED lamp, an external speaker, a card reader, have. For reference, the attached drawings in the present specification show an example in which a USB memory is connected to the second connector 421 as the external device 20.

The mount 500 is attached to the back side of the mobile device 10 by, for example, an adhesive tape 520 as a means for releasably mounting the second connection 400 on the back side of the mobile device 10 ). That is, the second connection part 400 is detachably mounted on the back surface of the mobile device 10 via the mount 500 attached to the back surface of the mobile device 10. [ At this point the user of the mobile device 10 will carry or use the mobile device 10 with the mount 500 attached to the back of the mobile device 10 so that the mount 500 allows the user to move the mobile device 10 It is desirable to provide a flat shape having a predetermined thickness so as not to be cumbersome or burdensome to carry or use and to avoid hurting the appearance design of the mobile device 10. [ For example, the mount 500 may be provided in the form of a plate having a substantially rectangular plate surface as shown in Fig. Mount 500 may be attached to the backside of a protective case (not shown) mounted to mobile device 10, rather than attaching directly to the back side of mobile device 10. [

The second connection portion 400 is detachably coupled to the mount 500 attached to the back surface of the mobile device 10. At this time, the second connection part 400 is formed with an insertion groove 441 for receiving the whole or a part of the mount 500 as shown in FIG. 3 so as to maintain stable engagement with the mount 500 easily . That is, the second connection part 400 is coupled to the mount 500 with a structure in which the mount 500 is inserted into the insertion groove 441. More specifically, the insertion groove 441 of the second connection part 400 is mounted on the mount 500 so as not to change the position of the second connection part on the mount 500 due to external impact, 500 as a side wall surrounding the entire or a part of the side of the rim.

3, the opening 441a is formed in the insertion groove 441 of the second connection part 400. The insertion groove 441 is formed in the insertion groove 441, In order to reduce the overall thickness of the second connection part 400 by omitting the wall forming the ceiling surface of the second connection part 400. [ When the mount 500 is inserted into the insertion groove 441, the upper surface of the mount 500 is positioned at the through hole 441a and exposed to the upper side of the second connection part 400. [ Alternatively, the insertion groove 441 of the second connection part 400 may be provided with a structure in which the ceiling surface is closed as shown in FIG. 10 showing another embodiment of the present invention.

According to an embodiment of the present invention, the second connection unit 400 includes a rotation unit 410 rotatably coupled to the connection member 300, And an engaging portion 450 provided at one side of the mounting portion 440 at a position facing the rotating portion 410. [

The rotary part 410 of the second connection part 400 has a block shape in which an inner space is formed and has a second connector 421 for connecting to the external device 20 at one side of the rotary part 410, Is formed. On both sides in the width direction of the rotary part 410, both ends of the annular grip 600 can be pivotally connected to each other. The grip 600 can be adjusted by appropriately adjusting the rotation angle, (See Fig. 9). At this time, the grip 600 can be coupled to the swinging part 410 so as to be capable of tilting rotation.

The mounting portion 440 of the second connection portion 400 extends in the longitudinal direction at the lower end of the rotary portion 410 to provide a space for mounting the external device 20, to be. At least one step 442 may be formed on both sides of the mounting portion 440 in the width direction of the mounting portion 440 in order to engage with the protective cover 800 to be described later.

The coupling portion 450 of the second connection portion 400 is formed at the end of the mounting portion 440 at a position facing the rotary portion 410. The coupling portion 450 is a portion to which a protective cover 800 to be described later is inserted.

According to one embodiment of the present invention, the second connection part 400 further includes at least one latching

part

430, 470 for firmly fixing the mount 500 inserted into the insertion groove 441. Specifically, the latching

portions

430 and 470 are protruded toward the insertion groove 441 and are coupled to the fitting groove 510 formed on the sides of both sides in the longitudinal direction of the mount 500 as shown in FIG.

The latching

portions

430 and 470 are provided as a first latching portion 430 provided in the turning portion 410 and a second latching portion 470 provided in the engaging portion 450, Will be described later. However, it is needless to say that the position and structure of the engaging portion, which is a means for engaging and fixing the mount in the present invention, are not limited to those illustrated in this embodiment, and may be variously modified. The present invention is not limited to the case where the engaging

portions

430 and 470 are not formed in the second connecting portion 400 or the engaging groove 510 is not formed in the mount 500, The structure in which the mount 500 is coupled in a detent manner is also sufficiently possible.

FIG. 4 is an exploded perspective view showing the interlocking structure of the first and second latching portions according to the embodiment of the present invention, FIGS. 5 and 6 are views showing the interlocking structure of the first and second latching portions according to the embodiment of the present invention, Fig.

3 to 6, the first latching part 430 of the second connection part 400 is provided on the pivot part 410 and protrudes toward the coupling part 450 from the lower end of the second connector 421 And is inserted into the one fitting groove 510 of the mount 500. The second engaging portion 470 of the second connecting portion 400 is formed on the engaging portion 450 and is protruded in the direction of the turning portion 410 at a position facing the first engaging portion 430, (Not shown). The first and

second locking portions

430 and 470 protruding from the insertion groove 441 or the through opening 441a toward the side of the insertion groove 441 or the through hole 441a are inserted into the

insertion groove

441, 510 so that the second connection part 400 is firmly coupled to the mount 500.

Specifically, the first and second latching

parts

430 and 470 of the second connection part 400 can be slidably moved with respect to the through-hole 441a. For example, when the second connection part 400 is mounted on the mount 500, the first and

second locking parts

430 and 470 are moved in the direction toward the rotation part 410 and in the direction toward the coupling part 450 The first and second latching

parts

430 and 470 are slid in a direction away from each other so that the first and second latching

parts

430 and 470 are not caught by the mount 500. [ When the mount 500 is received in the through hole 441a, the first and second engaging

portions

430 and 470 are slid toward the through opening 441a to be engaged with the fitting groove 510 of the mount 500 do. When the second connection part 400 is detached from the mount 500, the first and

second locking parts

430 and 470 are moved in the direction toward the rotating part 410 and the direction toward the coupling part 450 The first and second latching

parts

430 and 470 are inserted and released from the fitting groove 510, respectively.

The sliding movement of the first and

second latching portions

430 and 470 is performed by the operation of a latching switch 490 provided on the upper side of the engaging portion 450. That is, the first and second latching

parts

430 and 470 are slid by the operation of the latching switch 490 and engaged or disengaged with the fitting groove 510 of the mount 500. At this time, the first and

second latching portions

430 and 470 slide simultaneously in the opposite directions to each other in conjunction with the sliding movement of the latching switch 490, which will be described in detail below.

The rotary part 410 of the second connection part 400 is provided with a rotary part housing 420 in which an inner space is formed and a rotary part 420 installed in the rotary part housing 420 so as to be movable in a direction toward the through- And includes a first latching part 430. The pivot housing 420 has a pair of first guide grooves 422 in which a first guide protrusion 433 to be described later is inserted at the lower end of the opposite surface of the coupling portion 450. The first guide groove 422 serves to guide the moving direction of the first latching part 430 when the first latching part 430 is moved.

The first locking part 430 has a rectangular plate-shaped first body 431 having a predetermined thickness and a first locking protrusion 432 protruding from the lower end of the first body 431 toward the through opening 441a. ). A pair of first guide protrusions 433 spaced apart from each other is protruded from the upper side of the first locking protrusion 432. When the first locking protrusion 430 is slid, 420 along the first guide grooves 422. [ A hinge coupling groove 434 is formed on both sides of the first body 431 in the width direction. One end of the hinge coupling groove 434 is hinged to one end of the hinge coupling groove 434. The other end of the rotary member 435 projects to both sides of the first body 431 and is horizontally rotatable about the hinge coupling groove 434.

The coupling portion 450 of the second connection portion 400 includes a coupling portion housing 460 formed integrally with the mounting portion 440 at the end of the mounting portion 440 and having a bottom surface and both side walls and a rear wall, A second engaging portion 470 movably coupled to the upper side of the engaging portion 460 in the direction of the through opening 441a and a second engaging portion 470 coupled to the upper portion of the engaging portion 460 to receive the second engaging portion 470 therein And a housing cover 480. 3, a pair of cutout grooves 481 are formed in the housing cover 480. The guide flange portions 810 on both sides of the protective cover 800, which will be described later, do. The housing cover 480 has a pair of second guide grooves (not shown) in which a second guide protrusion (not shown) of the second engaging portion 470, which will be described later, is inserted into the lower end of the one surface opposite to the turning portion 410 The second guide groove serves to guide the moving direction of the second engaging part 470 when the second engaging part 470 is moved. The second guide protrusion may have a shape corresponding to the first guide protrusion 433 and the second guide groove may be provided in a shape corresponding to the first guide groove 422, though not shown in the accompanying drawings. In addition, a space portion 483 is formed on the housing cover 480 so as to expose the latch switch 490 to the outside.

The second engaging portion 470 has a rectangular plate-shaped second body 471 having a receiving groove 472 formed at one side thereof and having a predetermined thickness and a second body 472 having a predetermined thickness and a through hole 441a at the lower end of the second body 471 And a second locking protrusion 473 protruding in a direction toward the second locking protrusion 472. [ A pair of second guide protrusions spaced apart from each other are formed on the upper side of the second engaging protrusion 473 and a closed end of a U-shaped wire member 700 710) are formed. The support portion 475 is formed to protrude downward at a predetermined distance from the rear of the second locking projection 473.

The latching switch 490 has a flat plate-shaped slide portion 491 which is slidably coupled to the upper side of the second body 471 in the direction toward the through-hole 441a, And an insertion portion 493 which extends downward from the bottom surface of the slide portion 491 and is inserted into the receiving groove 472 of the second latching portion 470.

The insertion portion 493 inserted into the receiving groove 472 of the second body 471 pushes or pulls the second body 471 when the latching switch 490 is moved, The second locking projection 473 is moved in the same direction as the locking switch 490. [ At this time, when the second engaging protrusion 473 protrudes toward the through opening 441a, the second engaging protrusion 473 is inserted into the fitting groove 510 of the mount 500 and the second engaging protrusion 473 is inserted in the opposite direction of the through hole 441a That is, when the engaging portion 450 is moved in the direction toward the engaging portion 450, the engaging portion is inserted and released from the engaging groove 510.

According to an embodiment of the present invention, when the latching switch 490 is moved, the first and

second locking projections

432 and 473 can move in mutually opposite directions. To this end, Member 700 is provided. The wire member 700 is bent in a U-shape and is provided in a shape in which one end is opened and the other end is closed. At this time, both ends of the opening portion of the wire member 700 are hinged to the other end of the rotating member 435 of the first engaging portion 430, and the closed end 710 is hinged to the other end of the second engaging portion 470 2 engaging portion 473 and the supporting portion 475. [

FIG. 7 is a perspective view illustrating a mobile device expansion pack mounted on a back surface of a mobile device according to an exemplary embodiment of the present invention. Referring to FIGS. 5 to 7, Will be described.

First, as shown in FIG. 7A, the through-hole 441a of the second connection part 400 is positioned on the top of the mount 500 attached to the back surface of the mobile device 10. At this time, the first connector 210 of the first connection unit 200 is connected to the connection terminal of the mobile device 10, and the connection member 300 is brought into close contact with the rim of the mobile device 10.

Next, as shown in FIG. 7B, in a state in which the latch switch 490 is moved in a direction opposite to the through opening 441a, the mount 500 is removed through the through opening 441a of the second connecting portion 400 2 connector 400 in the insertion groove 441 of the connector 400. [ Here, when the latching switch 490 is moved opposite to the through-hole 441a, the second body 471 moves in a direction opposite to the through-hole 441a while the second engaging projection 473 is in contact with the through- As shown in Fig. At the same time, the second body 471 pulls the closed end 710 of the wire member 700, and a pair of rotary members 435 hinged to the open ends of the wire member 700 are engaged with the engaging portions 450 ) Direction. At this time, one end of the rotary member 435 pushes the first body 431 in a direction opposite to the through-hole 441a, and the first engagement protrusion 432 from the fitting groove 510 of the mount 500 I will escape.

7C, when the mount 500 is inserted into the insertion groove 441 of the second connection portion 400, the latch switch 490 is moved in the direction toward the through-hole 441a side The second body 471 moves toward the through hole 441a and the second engaging protrusion 473 is inserted into the fitting groove 510 of the mount 500. [ At the same time, the second body 471 pushes the closed end 710 of the wire member 700, and a pair of rotary members 435 hinged to the open ends of the wire member 700 are engaged with the engaging portions 450 ). At this time, one end of the rotating member 435 pushes the first body 431 in the direction of the through opening 441a, and the first engaging protrusion 432 is inserted into the fitting groove 510 of the mount 500.

Next, as shown in FIG. 7D, the protective cover 800 is coupled to the upper side of the second connection part 400. Next, as shown in FIG. The protection cover 800 is for protecting the external device 20 mounted on the second connection part 400 and includes a coupling protrusion 820 protruding from one end of the protection cover 800, And the guide flange portion 810 formed at the other ends of the opposite side edges of the protective cover 800 is inserted into the cutout groove 481 of the coupling portion 450 Lt; / RTI >

8 is a use state diagram of an adapter for hardware function expansion of a mobile device according to an embodiment of the present invention. 8, the adapter 100 for hardware function expansion of a mobile device according to an embodiment of the present invention includes a first connection unit 200, a connection member 300, and a second connection unit 400 It is possible to mount the mobile device 10 on the back surface of the mobile device 10 as much as possible so that the appearance of the mobile device 10 is not hindered and the mobile device 10 is carried Or to minimize the inconvenience or burden of using.

Figure 9 is a use state diagram of a mobile device obliquely mounted according to an embodiment of the present invention. Referring to FIG. 9, the hardware adapter 100 for extending a hardware function of a mobile device according to an exemplary embodiment of the present invention may appropriately adjust the rotation angle of the grip 600 to move the mobile device 10 at a desired angle You can hang it up.

FIG. 10 is a sectional view of a use state of an adapter for extending a hardware function of a mobile device according to another embodiment of the present invention, FIGS. 11 and 12 illustrate a use of an adapter for hardware function expansion of a mobile device according to another embodiment of the present invention State diagram. Hereinafter, other embodiments of the present invention will be described with reference to FIGS. 10 to 12, focusing on differences from the above-described embodiments.

Referring to FIG. 10, the adapter for hardware function expansion of a mobile device according to another embodiment of the present invention differs from the above-described embodiment in the structure in which the mount 500 is inserted and coupled to the second connection part 400. Specifically, in the above-described embodiment, the insertion groove 441 of the second connection portion 400 has a structure in which its ceiling face is opened through the through-hole 441a as shown in FIG. 3, The insertion groove 441 of the second connection part 400 is provided with a wall that forms a ceiling face of the insertion groove 441, that is, a structure in which the ceiling face is closed as shown in FIG. In the above-described embodiment, the mount 500 is engaged and fixed by the engaging

portions

430 and 470 while being inserted into the insertion groove 441 of the second connection portion 400, while in this embodiment, the mount 500 Is coupled and fixed to the mounting portion 440 of the second connection portion 400 by a magnetic force in a state of being inserted into the insertion groove 441 of the second connection portion 400.

Specifically, an insertion groove 441 is formed in the bottom surface of the mounting portion 440 of the second connection portion 400, and the top surface of the insertion groove 441 and the top surface of the mount 500 are coupled and fixed by a magnetic force. To this end, the mount 500 is made of a first magnetic material such as a metal, and a second magnetic body 443 such as a rubber magnet is attached to the ceiling surface of the insertion groove 441. Alternatively, magnetic bodies mutually coupled by magnetic force can be attached to the upper surface of the mount 500 and the ceiling surface of the insertion groove 441, respectively, and a first magnetic body such as a rubber magnet is attached to the upper surface of the mount 500 A second magnetic body such as a metal plate may be attached to the ceiling surface of the insertion groove 441. [

11, in the adapter for extending hardware functions of a mobile device according to another embodiment of the present invention, the coupling protrusion 820 of the protective cover 800 in the above- Type structure in which one end of the protective cover 800 is hinged to the upper side of the rotary part 410, unlike the detachable structure that is coupled to the rotary part 423. Accordingly, the user can easily expose the external device 20 connected to the second connector 421 by turning the protective cover 800 upward.

12, the adapter for expanding hardware functions of a mobile device according to another embodiment of the present invention includes a battery housing (not shown) for accommodating an auxiliary battery (not shown), which is one of external devices, 900). Specifically, the battery housing 900 is formed with an internal space for accommodating the auxiliary battery, and electrically connects the auxiliary battery to the first connector 210 of the first connection part 200. The battery housing 900 is rotatably coupled to the connecting member 300 in the same manner as in the above-described embodiments, and an insertion groove 441 through which the mount 500 is inserted is formed on the bottom surface.

The engagement structure of the battery housing 900 and the mount 500 is similar to that of the above-described embodiment shown in Figs. 1 to 7 except that the engaging

portions

430 and 470 are engaged with the insertion grooves 441 may be slid and inserted into or released from the fitting groove 510 of the mount 500. At this time, in order to expose the latch switch 490 to the outside, A groove 910 is formed. Alternatively, the battery housing 900 and the mount 500 may be coupled to each other by a magnetic force as in the above-described embodiment shown in FIG.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary,

The present invention can be used as a device for expanding the hardware function of a mobile device by connecting with a mobile device such as a smart phone.

Claims

A first connector on which a first connector for connecting with a mobile device is formed;

A connecting member rotatably coupled to the first connecting portion; And

And a second connection portion rotatably coupled to the connection member and to which the external device is mounted.
The method according to claim 1,

And a mount attached to one surface of the mobile device or attached to one surface of a protective case mounted on the mobile device,

And the second connection portion is detachably coupled to the mount.
3. The method of claim 2,

Wherein the mount is provided in a flat shape having a predetermined thickness so as not to be cumbersome when a user carries or uses the mobile device in a state where the mount is attached to the mobile device or the protective case Adapter.
3. The method of claim 2,

The second connecting portion is formed with an insertion groove for receiving all or a part of the mount,

And the mount is inserted into the insertion groove and coupled with the second connection portion.
5. The method of claim 4,

Wherein the insertion groove includes a side wall surrounding all or a part of a side surface of the rim of the mount.
5. The method of claim 4,

Wherein the upper surface of the mount and the ceiling surface of the insertion groove are engaged and fixed by a magnetic force when the mount is inserted into the insertion groove of the second connection portion.
5. The method of claim 4,

Wherein the second connecting portion is formed with a through opening so that the ceiling face of the insertion groove is opened,

Wherein the mount is positioned in the through opening when the mount is received in the insertion groove.
5. The method of claim 4,

Wherein the second connecting portion includes a rotating portion formed with a second connector for connecting the external device and rotatably coupled to the connecting member, a mounting portion extending from the rotating portion to form the insertion groove, And a coupling portion provided at one side of the mounting portion at a position facing the rotary portion.
5. The method of claim 4,

And the second connection portion includes at least one engagement portion for coupling and fixing the mount inserted in the insertion groove.
10. The method of claim 9,

Wherein the at least one latching portion is provided so as to protrude toward the insertion groove side and is coupled to the fitting groove formed on the side of the rim of the mount.
11. The method of claim 10,

Wherein the at least one latching portion is engaged with or disengaged from the fitting groove of the mount by an operation of a latching switch provided at one side of the second connecting portion.
3. The method of claim 2,

The second connecting portion includes a turning portion formed with a second connector for connecting the external device and rotatably coupled to the connecting member, and a second connecting portion extending from the turning portion to mount the external device, Wherein the adapter comprises a fixed mounting portion.
The method according to claim 1,

Wherein the connecting member is provided in a shape corresponding to a shape and a thickness of a rim of the mobile device such that the second connecting portion rotates with respect to the connecting member and is brought into close contact with the back surface of the mobile device as much as possible. Adapters for expansion.
The method according to claim 1,

A protective cover coupled to the second connection portion so as to open and close the upper side of the second connection portion so as to protect the external device mounted on the second connection portion; And

And a grip that is rotatably provided on one side of the second connection unit.
The method according to claim 1,

Wherein the external device is an auxiliary battery,

Wherein the second connection portion is provided as a battery housing that receives the auxiliary battery and electrically connects the auxiliary battery to the first connector of the first connection portion.