KR100862626B1 - Usb device - Google Patents

Abstract

A USB(Universal Serial Bus) device is provided to prevent a USB connector from being exposed to the outside when the USB connector is unused, and prevent foreign materials from causing short and incorrect contact between contact terminals of the USB connector, and offer a beautiful design by hiding a tool for withdrawing or receiving the USB connector in the USB device. A first main unit(200) has a screw thread(230) at the hollowed inside, and a second main unit(300) is rotated at one side of the first main unit. A third main unit(400) includes a receiving groove(410) for installing a PCB(Printed Circuit Board)(500), which includes a USB connecting terminal(510) and a control circuit, and a rotating part(420) having a root(430) engaged with the screw thread of the first main unit. A flange(210) is formed to one side of the first main unit to be inserted into an inner diameter of the second main unit. A guide(220) is formed along an outer circumference of the flange to restrict a rotation range of the second main unit. A through hole(310) is formed in the second main unit and is penetrated by the third main unit.

Description

USB device {USB DEVICE}

The present invention relates to a USB device, and more particularly, to a USB device that allows the USB connector to be selectively drawn out and received from the USB device according to the user's needs, thereby preventing the connection terminal of the USB connector from being exposed to the outside.

In recent years, portable devices (eg, portable storage devices, MP3 players, portable multimedia players (PMPs), etc.) have used Universal Serial Bus (USB) as a universal communication means for connecting to a computer and the like. .

This USB is composed of a USB connector that is coupled to a USB connection port of a computer, and a cable connecting the USB connector.

In addition, in the case of the USB connector, an exterior guide that forms a hexahedron exterior is formed to be stably inserted into a USB connection port provided in a computer or a notebook, and electrical signals transmitted through the USB connection port are lost on one surface of the exterior guide. In general, a printed circuit board having a USB connection terminal capable of receiving an electrical signal is formed on the upper surface of the support.

In order to use a USB connector, there was an inconvenience of having to carry a USB connection means composed of such a USB connector and a cable at all times.

Recently, as shown in FIG. 1, a technology for improving portability and ease of use of a USB device by proposing and fixing the USB connector 20 to one side of the USB device main body 10 has been proposed.

However, the USB connector 20 protruded and fixed to one side of the main body of the USB device 10 is installed outside the printed circuit board 22 having the connection guide 23 formed therein, thereby providing a USB connector 20. ) Is not sufficiently reduced, which makes it difficult to miniaturize and slim down the USB device.

This problem can be sufficiently reduced by the thickness of the USB connector 20a by installing the USB connector 20a in which the external guide of FIG. 2 is removed to the USB device main body 10a. It was possible to provide.

However, in order to protect the USB connector 20a, a separate protection means (for example, a cover) must be provided, and this protection means is configured to be separated from the main body 10a, which causes a problem of being lost during use.

In addition, as shown in FIG. 3, the main body 30 and the USB connector 40 are connected to the rotational axis 50 to rotate the USB connector 40 so as to be exposed to the outside of the main body 30 during use. When the USB connector 40 is rotated again, it is configured to be stored inside the main body 30.

However, even when the USB connector 40 is accommodated inside the main body 30, the USB connector 40 is still exposed inside the main body 30.

In order to solve the above problems, an object of the present invention is to provide a USB device that allows the USB connector to be selectively withdrawn and received from the USB device.

In order to achieve the above object,

The present invention provides a USB device, comprising: a first main body having a screw thread formed therein; A second main body part rotatably installed on one side of the first main body part; And a third body portion having a printed circuit board having a USB connection terminal and a control circuit, the screw body engaging with the threads of the first body portion on an outer surface thereof;

As at least one of the first main body part and the second main body part rotates forward or reverse, the third main body part moves so that the USB connection terminal of the printed circuit board is located inside the first main body part. To be drawn out to one side, or so that the drawn USB connection terminal is accommodated in the first body portion.

In addition, the present invention is a USB device, the first main body portion formed with a screw bone in the hollow; A second main body part rotatably installed on one side of the first main body part; And a third main body portion having a printed circuit board having a USB connection terminal and a control circuit, the outer main surface having a screw thread engaged with the screw bone of the first main body portion,

As at least one of the first main body part and the second main body part rotates forward or reverse, the third main body part moves so that the USB connection terminal of the printed circuit board is located inside the first main body part. To be drawn out to one side, or so that the drawn USB connection terminal is accommodated in the first body portion.

Said first to third body parts of the USB device according to the invention are preferably provided on a concentric axis.

In addition, the first body portion is characterized in that the flange is inserted into the inner diameter of the second body portion on one side, and a guide portion for limiting the rotation range of the second body portion on the outer periphery of the flange.

The second main body may include a through hole through which the third main body passes; A stopper protruding a predetermined distance from the through hole to limit movement of the third body part; And a locking jaw formed at the front end of the second body part,

The locking jaw is engaged with the guide part of the first body part to limit rotation of the second body part.

Therefore, the present invention has an advantage of preventing the connection terminal from being exposed to the outside when the USB connector is not in use.

In addition, the present invention has the advantage of preventing the occurrence of short circuit due to foreign matter between the connection terminal of the USB connector, and the poor contact of the connection terminal.

In addition, the present invention has an advantage that the operation means for drawing out or receiving the USB connector from the USB device is not exposed to the outside to provide a USB device of a beautiful design.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

(First embodiment)

Figure 4 is a perspective view showing a USB device according to the present invention, Figure 5 is a perspective view showing the operating state of the USB device according to the present invention, Figure 6 is an exploded view showing the internal structure of a first embodiment of the USB device according to the present invention 7 is a perspective view and a cross-sectional view illustrating an internal structure of the USB device of FIG. 6.

4 to 7, the USB device 100 according to the present invention is a portable device that connects to a computer through a USB port. The first main body 200 and the second main body 300 are arranged on a concentric axis. ) And the third main body 400 are installed, the first main body 200 and the second main body 300 are rotatably coupled, and the third main body 400 is the first main body 200. Alternatively, when at least one of the second main body parts 300 rotates forward or reverse, the USB connection terminal 510 of the printed circuit board 500 may be reciprocated on the concentric shaft and drawn out from the USB device 100. It is accommodated in the USB device 100.

Hereinafter, the USB device 100 according to the present invention will be described in detail.

The first main body 200 is a hollow cylindrical member having one side open, and a flange 210 is formed at an open side of the first main body 200, and a guide of a long hole is formed at an outer circumference of the flange 210. The part 220 is formed, and the screw thread 230 protrudes from the hollow inner surface of the first body part 200.

In addition, a printed circuit board having a USB connection terminal 510 formed on one side of the first main body 200 and configured to control portable electronic devices such as a portable storage device, an MP3 player, and a PMP to operate. The third main body 400 having the 500 is housed.

The flange 210 is inserted into the inner diameter of the second main body 300 so that the first main body 200 and the second main body 300 are coupled.

In addition, in the long guide portion 220 formed on the outer periphery of the flange 210, the locking jaw 320 of the second main body 300 to be described later is inserted, so that the second main body 300 is the first main body Prevent separation from 200.

In addition, when the first main body 200 or the second main body 300 is rotated forward or reverse, the locking jaw 320 inserted into the guide part 220 of the long hole is made of the first projection 200. 2 restricts the rotation range to rotate in a preset range around the main body 300, or limits the rotation range so that the second main body 300 rotates in the preset range around the first main body 200 Done.

In addition, both ends of the guide part 220 are provided with a flow preventing groove part (not shown) to allow the locking jaw 320 to be seated, for example, to maintain the drawn out or inserted state. That is, the locking jaw 320 moved to one of both ends of the guide part 220 is inserted into and fixed to the groove for preventing flow.

One side of the second body portion 300 is coupled to the flange 210 of the first body portion 200, and the other side forms a through hole 310 to allow the third body portion 400 to pass therethrough.

In addition, a locking jaw 320 protruding a predetermined length in the inner diameter direction of the second main body 300 is formed at one open end of the second main body 300 to guide the 220 of the first main body 200. ) Is fastened.

In addition, a stopper 330 protruding from the through hole 310 by a predetermined length is formed in the second main body 300 so that the USB connection terminal 510 installed in the third main body 400 may include the second main body ( After being sufficiently withdrawn from the inside of the 300, the movement is blocked.

That is, the stopper 330 of the second main body 300 and the rotating part 420 of the third main body 400 to be described later contact each other, such that the third main body 400 is connected to the first and second main body parts 200 and. Withdrawal from the interior of 300 is blocked.

The third main body 400 includes a seating groove 410 for fixing the printed circuit board 500 and the third main body 400 at one end of the third main body 400. Rotating portion 420 to rotate in close contact with the inner diameter of the), and the screw bone 430 is engaged with the screw thread 230 formed inside the first body portion 200 on the outer surface of the rotating portion 420.

In addition, the other end of the third main body 400 is coupled in a state inserted into the through hole 310 of the second main body 300.

In addition, the rotating part 420 has a substantially disk-shaped member that is orthogonal to the inner diameter of the first main body part 200 orthogonal to the third main body part 400, and a substantially semi-cylindrical shape in which a screw bone 430 is formed on the outer surface Consists of the absence of.

The third main body part 400 is the first main body part 200 due to the screw bone 430 engaged with the screw thread 230 of the first main body part 200 when the first main body part 200 is rotated forward or reversely. Reciprocating movement around the axis of rotation.

The printed circuit board 500 includes a connection terminal 510 for connecting to a USB connection port of a computer (not shown), and for example, the USB device 100 operates as an electronic device such as a mobile storage device, an MP3 player, or a PMP. Control means for controlling so as to be installed.

The following describes the operation of the USB device 100 according to the present invention.

(USB connection terminal withdrawal)

When the USB connection terminal 510 of the USB device 100 is drawn out to be inserted into a USB connection port of a computer (not shown), the first main body 200 may be held by the user holding the second main body 300. Forward).

At this time, the screw thread 230 formed on the inner surface of the first main body 200 also rotates forward, and the second main body 300 maintains the gripped state by the user so that only the first main body 200 is rotated. Will be conveyed.

Therefore, the third main body 400 installed inside the first main body 200 should also be forwardly rotated together with the first main body 200, but the third through-hole 310 of the second main body 300 has a third shape. Since the other end of the main body 400 is partially inserted, the third main body 400 does not rotate.

However, due to the screw bone 430 engaged with the thread 230 of the first body portion 200, the third body portion 400 is moved along the rotation axis of the first body portion 200, the second body portion ( Passing through the through hole 310 of 300 is drawn out of the second body portion 300, the third body portion 400 is moved until the rotating portion 420 in contact with the stopper 330.

In addition, the rotation of the first main body 200 is limited by the locking jaw 320 and the guide portion 220 of the first main body 200 formed in the second main body 300, the guide portion The latching jaw 320 is seated in the grooves formed at both ends of the 220 to maintain the USB connection terminal 510 withdrawn.

(USB connection terminal is inserted)

When the use of the USB device 100 is terminated and the USB connection terminal 510 is inserted into the first body part 200, the user may hold the first body part 300 while holding the second body part 300. Reverse rotation of 200).

At this time, the screw thread 230 formed on the inner surface of the first main body 200 is also reversely rotated, and since the second main body 300 is held by the user, only the first main body 200 is provided. It will reverse.

Therefore, the third main body 400 installed inside the first main body 200 should also be reversely rotated together with the first main body 200, but is drawn out through the through hole 310 of the second main body 300. The third main body 400 does not rotate.

However, due to the screw bone 430 engaged with the thread 230 of the first body portion 200, the third body portion 400 is the inner side of the first body portion 200 along the rotation axis of the first body portion 200 And the rotation part 420 of the third body part 400 moves until it contacts the bottom surface of the first body part 200.

In addition, the rotation of the first main body 200 is limited by the locking jaw 320 and the guide portion 220 of the first main body 200 formed in the second main body 300, the guide portion The latching jaw 320 is seated in the grooves formed at both ends of the 220 to maintain the state in which the USB connection terminal 510 is inserted into the first main body 200.

(Second embodiment)

8 is an exploded perspective view showing the internal structure of the second embodiment of the USB device according to the present invention, Figure 9 is a cross-sectional view showing the internal structure of the USB device according to FIG.

8 and 9, the USB device according to the second embodiment will be described in more detail. The first main body part 200 ′ having the screw bone 230 ′ formed in the hollow and the first main body part are described. A second main body 300 'rotatably mounted on one side of the 200', and a printed circuit board 500 'having a USB connection terminal 510' and a control circuit are provided, and the first surface is provided on the outer surface thereof. And a third main body part 400 'that forms a thread 430' that meshes with the screw bone 230 'of the main body part 200'.

The first main body 200 'is a hollow cylindrical member having one side open, and a flange 210' is formed at an open side of the first main body 200 ', and an outer circumference of the flange 210' is formed. The guide portion 220 'of the long hole is formed, and the screw bone 230' is formed on the hollow inner surface of the first body portion 200 '.

Also, a printed circuit having a USB connection terminal 510 'formed at one side of the first main body 200' and configured to control a portable electronic device such as a mobile storage device, an MP3 player, or a PMP to operate. The third main body 400 'having the substrate 500' is accommodated.

The flange 210 'is inserted into the inner diameter of the second main body 300' so that the first main body 200 'and the second main body 300' are coupled to each other, and at the outer circumference of the flange 210 '. The locking jaw 320 'of the second main body 300', which will be described later, is inserted into the formed long guide portion 220 'so that the second main body 300' is separated from the first main body 200 '. Prevent it.

In addition, when the first main body 200 'or the second main body 300' is rotated forward or reversely, the locking jaw 320 'inserted into the guide portion 220' of the long hole has a first main body ( 200 ') limits the rotation range so that the second body portion 300' is rotated in a preset range about the second body portion 300 ', or the second body portion 300' is preset in the center of the first body portion 200 '. The rotation range is limited so as to rotate in the range, and both ends of the guide portion 220 are formed with a flow preventing groove (not shown) to allow the locking jaw 320 to be seated, so that the USB connection terminal 510 'is drawn out or Keep it inserted.

One side of the second main body 300 'is joined to the flange 210' of the first main body 200 ', and the other side forms a through hole 310' to form the third main body 400 '. ) To pass through.

In addition, at one open end of the second main body 300 ', a locking jaw 320' protrudes a predetermined length in the inner diameter direction of the second main body 300 'is formed to form the first main body 200'. It is fastened to the guide portion 220 '.

In addition, a USB connection terminal 510 'installed in the third main body 400' is formed by forming a stopper 330 'protruding a predetermined length from the through hole 310' in the second main body 300 '. After sufficiently withdrawn from the inside of the second body portion 300 ′, the movement is blocked.

The third main body 400 'may include a seating groove 410' for fixing the printed circuit board 500 'and a third main body 400' at one end of the third main body 400 '. 1, the rotating part 420 'to rotate in close contact with the inner diameter of the main body 200', and the screw bone 230 'and the tooth formed on the inner surface of the first main body 200' on the outer surface of the rotating part 420 '. A matching thread 430 'is formed.

In addition, the other end of the third main body 400 'is coupled in a state of being partially inserted into the through hole 310' of the second main body 300 '.

In addition, the rotating part 420 'is a substantially disk-shaped member which is orthogonal to the inner diameter of the first main body part 200' orthogonal to the third main body part 400 '.

The third main body 400 'is formed by the thread 430' engaged with the screw bone 230 'of the first main body 200' when the first main body 200 'is rotated forward or reversely. 1 It reciprocates around the rotation axis of the main body part 200 '.

The printed circuit board 500 may include a connection terminal 510 for connecting to a USB connection port of a computer (not shown), and for example, the USB device 100 may be connected to an electronic device such as a portable storage device, an MP3 player, or a PMP. Control means for controlling to operate is provided.

The operation process of the USB device according to the second embodiment is the same as the operation process of the USB device according to the first embodiment.

In the above, the present invention has been illustrated and described with respect to certain preferred embodiments. However, the present invention is not limited to the above-described embodiments, and those skilled in the art to which the present invention pertains can vary as many as possible without departing from the spirit of the present invention as set forth in the claims below. Changes may be made.

1 is a perspective view showing an embodiment of a general USB device.

2 is a perspective view showing another embodiment of a general USB device.

3 is a perspective view showing another embodiment of a general USB device.

4 is a perspective view of a USB device according to the present invention;

5 is a perspective view showing an operating state of the USB device according to the present invention;

6 is an exploded perspective view showing the internal structure of a first embodiment of a USB device according to the present invention;

7 is a cross-sectional view showing an internal structure of the USB device according to FIG. 6;

8 is an exploded perspective view showing the internal structure of a second embodiment of a USB device according to the present invention;

9 is a cross-sectional view showing an internal structure of the USB device according to FIG. 8;

(Symbols for the main parts of the drawing)

100: USB device 200, 200 ': first body portion

210, 210 ': flange portion 220, 220': guide portion

230: thread 230 ': threaded bone

300, 300 ': second main body 310, 310': through hole

320, 320 ': Jaw 330, 330': Stopper

400, 400 ': third body portion 410, 410': seating groove

420 and 420 ': rotating part 430: screw bone

430 ': thread 500, 500': printed circuit board

510, 510 ': terminal

Claims (5)

As a USB device, A first main body having a thread formed inside the hollow; A second main body part rotatably installed on one side of the first main body part; A third body part including a seating groove in which a printed circuit board having a USB connection terminal and a control circuit is installed, and a rotating part having a screw valley formed on the outer surface thereof to be engaged with the threads of the first body part; A flange formed on one side of the first body part to be inserted into an inner diameter of the second body part; A guide part formed along an outer circumference of the flange to limit a rotation range of the second body part; A through hole formed in the second main body to pass through the third main body; A stopper formed by protruding from the through hole in the direction of the first main body to limit the movement of the third main body by a predetermined distance or more; And It is formed at the front end of the second body portion, and engaging with the guide portion to prevent the first body portion and the second body portion is separated, and comprises a locking step to rotate the second body portion along the guide portion, When at least one of the first body portion and the second body portion is rotated, the rotating portion of the third body portion moves along the thread of the first body portion until it comes into contact with the stopper of the second body portion to cause the printed circuit board to be rotated. The USB connection terminal of the USB device, characterized in that withdrawn from the inside of the first body portion to one side of the second body portion. As a USB device, A first main body having a screw bone formed inside the hollow; A second main body part rotatably installed on one side of the first main body part; A third body part having a seating groove in which a printed circuit board having a USB connection terminal and a control circuit is installed, and a rotating part having a threaded portion engaged with a screw bone of the first body part on an outer surface thereof; A flange formed on one side of the first body part to be inserted into an inner diameter of the second body part; A guide part formed along an outer circumference of the flange to limit a rotation range of the second body part; A through hole formed in the second main body to pass through the third main body; A stopper formed by protruding from the through hole in the direction of the first main body to limit the movement of the third main body by a predetermined distance or more; And It is formed at the front end of the second body portion, and engaging with the guide portion to prevent the first body portion and the second body portion is separated, and comprises a locking step to rotate the second body portion along the guide portion, When at least one of the first body portion and the second body portion is rotated, the rotating portion of the third body portion moves along the screw valley of the first body portion until it comes into contact with the stopper of the second body portion, thereby causing the printed circuit board to be rotated. The USB connection terminal of the USB device, characterized in that withdrawn from the inside of the first body portion to one side of the second body portion. delete delete delete

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