KR101583451B1 - Hinge Device and Electronic Device having it - Google Patents

Abstract

Disclosed are a hinge device and an electronic device having the same. A hinge device according to the embodiment of the present invention includes a first base and a second base which face each other, a bending unit which is prepared between the first base and the second base and guides the first base and the second base to be bent with a round shape in a folding process, and an elastic unit which is prepared in one of the first base and the second based to elastically operate the bending unit. The electronic device includes a first body combined with the first base and a second base combined with the second base, and a flexible display which is prepared on the first body, the second body and the upper surface of the bending unit of the hinge device.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a hinge device,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hinge device, and more particularly, to a hinge device capable of folding and folding a display in a round shape and an electronic device having the hinge device.

2. Description of the Related Art Generally, a portable electronic device has a structure in which a main body having an operation button such as a keypad and a display for outputting a screen are folded or unfolded while being connected by a hinge device.

However, recently portable electronic devices such as tablets have adopted a touch panel capable of inputting and outputting data at the same time as a display member, thereby eliminating the need for a keypad, making it possible to realize a simpler and more compact size. Further, Portable electronic devices having more various forms are being released in the fields of mobile phones and wearable devices.

Korean Patent Laid-Open No. 10-2012-0049762 (May 17, 2012) The above document discloses a folding type portable terminal having a folding type display unit that smoothly bends a contact line portion between two liquid crystal display devices into an arc shape to prevent breakage. However, in the folding method using the two hinge shafts disclosed in the above document, the hinge portion is protruded to the outside and the aesthetic appearance is not good, and the two folded portions are interlocked at the same time, which is inconvenient to use.

The hinge apparatus and the electronic apparatus having the hinge apparatus according to the embodiment of the present invention can be folded and folded in a round shape.

According to an aspect of the present invention, there is provided a bending unit comprising: a first base and a second base provided opposite to each other; a bending unit provided between the first base and the second base for guiding the first base and the second base to be round- And an elastic unit provided on one of the first and second bases so that the bending unit operates elastically.

The bending unit includes a plurality of guide pieces. The guide piece has a rotary shaft hole at one end and a slit axial hole at the other end. The bending unit includes a rotary shaft hole between the rotary shaft hole and the slit axial hole, The guide shaft is connected to the rotary shaft hole and the slit shaft hole through the slit shaft hole, and the plurality of guide pieces connected to each other are provided in two rows and alternately arranged around the rotary shaft hole.

In addition, the bending unit may further include a link for guiding the rotation shaft and the slit shaft, which are located on the same radius, to operate simultaneously when bending.

The link includes a rotating shaft hole connected to the rotating shaft hole and the fixing pin, and a slit shaft hole connected to the slit shaft hole and the moving pin. The rotating shaft hole of the guide piece positioned on the same radius at the time of bending rotates And the slit shaft hole can simultaneously move in a round shape while advancing the slit shaft hole along the moving pin.

In addition, one of the first base and the second base may be provided with a rotation base hole and a slot base hole, the elastic unit may include a fixed bar and a movable bar provided to be variable in length, and a spring interposed therebetween, The stationary bar is supported by a stationary bar pin provided on a first base or a second base provided with a rotary base hole and a slot base hole, and the movement bar can be supported by a movable bar pin provided on the slot base hole.

In addition, the first base or the second base, on which the rotation base hole and the slot base hole are provided, may be formed by bending a plate material so as to have an inner space, thereby accommodating the elastic unit.

According to another aspect of the present invention, there is provided a bending unit comprising: a first base and a second base which are provided to face each other; a banding unit provided between the first base and the second base, A hinge unit including an elastic unit provided on one of the first and second bases so that the bending unit elastically operates; a first body coupled to the first base of the hinge unit; An electronic device including a second body to which a second base of the apparatus is coupled, and a flushable display provided on a front surface of the bending unit of the first body, the second body, and the hinge unit.

The bending unit includes a plurality of guide pieces. The guide piece has a rotary shaft hole at one end and a slit axial hole at the other end. The bending unit includes a rotary shaft hole between the rotary shaft hole and the slit axial hole, And the slit shaft hole is connected to the slit shaft hole, and the plurality of guide pieces connected to each other are provided in two rows and can be arranged in an X-shape around the rotation shaft hole.

The hinge device may be connected to the electronic device by a pair so that the rotating shaft and the slit shaft located on the same radius at the time of bending operate simultaneously.

In addition, the bending unit may include a banding cover.

The hinge device according to the embodiment of the present invention is capable of guiding the first and second bases so that the first and second bases are smoothly bent in a round shape when a plurality of guide pieces are connected to each other.

In addition, the hinge apparatus according to the embodiment of the present invention can realize semi-automation by allowing the folding of the first base and the second base to be elastically operated using the elastic unit.

Further, since the electronic device including the hinge device according to the embodiment of the present invention can bend without damaging even if the hinge device is provided with a flushable display, portability of the electronic device can be enhanced.

1 and 2 are an assembled perspective view and an exploded perspective view illustrating a hinge apparatus and an electronic apparatus having the hinge apparatus according to an embodiment of the present invention.
3 is an exploded perspective view of a hinge apparatus according to an embodiment of the present invention.
4 is a perspective view illustrating a bending unit and an elastic unit of a hinge apparatus according to an embodiment of the present invention.
5 is a side view showing a bending unit and an elastic unit of a hinge apparatus according to an embodiment of the present invention.
6 is a plan view showing a bending unit and an elastic unit of a hinge apparatus according to an embodiment of the present invention.
7 is a perspective view illustrating an elastic unit of a hinge apparatus according to an embodiment of the present invention.
8 is an enlarged side view of an elastic unit and a bending unit of a hinge apparatus according to an embodiment of the present invention.
9 is a view for explaining a hinge device and an electronic device having the hinge device according to an embodiment of the present invention.
10 is a view for explaining a hinge device and an electronic device having the hinge device according to an embodiment of the present invention.
11 is a view illustrating a hinge device and a bending cover of an electronic device having the hinge device according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. Hereinafter, the embodiments described below are provided as examples so that those skilled in the art will be able to fully understand the spirit of the present invention. Accordingly, the present invention is not limited to the embodiments described below and may be embodied in other forms. Further, in order to clearly illustrate the present invention, parts not related to the description are omitted from the drawings, , Length, thickness, etc. may be exaggerated for convenience. Like reference numerals designate like elements throughout the specification.

FIG. 1 and FIG. 2 are views schematically showing operations of a hinge apparatus and an electronic apparatus including the hinge apparatus according to an embodiment of the present invention.

The electronic device according to the present embodiment includes a first body 1 and a second body 2 and a flappable display 3 provided on the front surfaces of the first and second bodies 1 and 2, And a hinge device 100 provided between the first body 1 and the second body 2. [ In this electronic device having such a configuration, the hinge device 100 guides the display 3 in a round shape when the display 3 is folded, so that the display 3 can be folded without breakage. As shown in FIG. 2, the circuit module 4 for controlling the operation of the electronic device may be provided in any one of the first body 1 and the second body 2, A battery module 5 may be provided.

3 is an exploded view of the hinge apparatus according to the present embodiment. Referring to the drawings, the hinge device 100 includes a first base 110 and a second base 120 which are spaced apart from each other, and a second base 120 which is provided between the first base 110 and the second base 120, A bending unit 130 for guiding the bending in a round shape and an elastic unit 140 for allowing the bending unit 130 to operate elastically.

The first base 110 includes a base body 112 that is disposed along the folding direction on the side surface of the electronic device. The base body 112 may be formed by bending a plate material in a 'C' shape so that a space is formed therein, in particular, an elastic unit 140 to be described later can be received.

The base body 112 is provided with a first mount 113 for fixing to the electronic device on the lower side opened at the time of bending and a bending unit 130 connected to the elastic unit 140 through the opened side surface Install it. The base body 112 is installed in any one of the first body 1 and the second body 2 of the electronic device. In this embodiment, the base body 112 is installed in the first body 1, do.

The second base 120 is provided on the second body 2 of the electronic device and is substantially identical in shape to the first base 110. [ For example, the second base 120 is provided by bending a plate material in a 'C' shape, a second mount 123 for fixing to the electronic device is provided on the bottom surface, and a bending unit 130 Connection is established.

3 to 5, the bending unit 130 connects the first and second bases 110 and 120 so that the first and second bases 110 and 120 are bent while maintaining a round shape at the time of folding. do.

The bending unit 130 includes a plurality of guide pieces 131 each having a rotating shaft hole 132 and a slit shaft hole 133 at both ends thereof and having a rotating shaft hole 134 in the middle thereof, And a plurality of links 135 connecting the guide pieces. Since the guide pieces on both sides interlocked by the link 135 are substantially the same in structure, the guide piece 131 on one side will be described as an example below.

The slit shaft holes 133 are connected to the slit shaft holes 133. The slit shaft holes 133 are connected to each other. The pair of guide pieces 131 are connected to each other by a pair of pivot shafts 134 provided at the center of the pair of guide pieces 131, 'Shape. The pivot shaft 134 of each guide member is rotatably coupled by the first pin P1.

5, a guide piece 131 of this row has one guide member positioned on one side of the imaginary line C and another guide member located on the other side. That is, the guide pieces 131 adjacent to each other in the longitudinal direction are connected to the rotary shaft hole and the slit shaft hole of the rotary shaft hole and the slit shaft hole, and the rotary shaft hole and the slit shaft hole When the two rows are connected to the slit shaft hole and the two rows are arranged in the 'X' shape around the pivot shaft, they are arranged in two rows within the same thickness range so that no mutual interference occurs during the folding operation. On the other hand, as shown in FIG. 4, the rotation shaft holes 132 of the guide piece 131 are located on the inner side with respect to the bending direction, and the slit shaft holes 133 are located on the outer side.

The link 135 connects the 'X' shaped banding units 130 located on both sides of the electronic device, so that the link 135 can move at the same time when bending. 3, the link 135 includes a rotation shaft hole 137 connected to the rotation shaft hole 132 and the fixing pin P2 so as to maintain a round shape when bending, a slit shaft hole 133, And a slit shaft hole 138 connected to a pin (see P3 in FIG. 4). Here, the rotary shaft hole 137 and the slit shaft hole 138 connected to the one link 135 in the vertical direction are formed not as a rotary shaft hole and a slit shaft hole provided on both sides of one guide, but in a round shape so as to be smoothly interlocked and deformed And are different guide pieces positioned in the same radius and corresponding to different columns when bending. In other words, the guide shafts 131 arranged in two rows alternately have the rotation shaft hole 132 and the slit shaft hole 133 located on the same radius on one link 135 at the time of bending, Since the slit shaft hole 133 rotates about the center axis P2 and the slit shaft hole 133 simultaneously moves while moving the slit shaft hole 138 along the moving pin P3, the spherical shape can be easily realized while moving along the round shape at the time of bending.

The first base 110 and the second base 120 include rotation base holes 114 and 124 for connecting the rotation shaft hole 132 of the guide piece 131 located at the extreme end to the slit shaft hole 133, And base holes 115 and 125, respectively.

6 to 8 illustrate a hinge device according to an embodiment of the present invention in which the elastic unit 140 for elastically folding the first base 110 and the second base 120 by the bending unit 130 Fig.

Referring to Fig. 7, the elastic unit 140 includes a fixed bar 141, a movable bar 143, and a spring 145 installed therebetween. The fixing bar 141 and the moving bar 143 are provided with a fixing rod 142 having an inner hollow to allow the spring 145 having an elastic force to vary in length in the longitudinal direction, And a moving rod 144 to be inserted. In the present embodiment, the fixed rod 142 is provided on the fixed bar 141 and the movable rod 144 is provided on the movable bar 143, but the movable rod 142 may be provided on the opposite side.

8, the fixing bar 141 is supported by a pin P4 passing through the pinhole 116 of the first base 110, and the moving bar 143 passes through the slot base hole 115 And is supported by a moving pin P3. Since the spring 145 has an elastic restoring force in the direction in which it is tensioned, the guide piece 131 does not perform the bending operation unless an external force greater than the elastic force of the spring is applied at the present position as shown.

3, reference numeral 150 denotes a support member for covering the inside of the bending unit 130. [ The support member 150 is made of rubber and has a thickness substantially matching the height of the first base 110 and the second base 120.

Hereinafter, the folding operation of the electronic device using the hinge device will be described.

FIG. 9 shows a hinge device according to the present embodiment and an electronic device having the hinge device unfolded. A first base 110 of the hinge device is installed in the first body 1 of the electronic device and a second base 120 is installed in the second body 2. The first base 110 and the second base 120 And a bending unit 130 is installed between the first and second bending units 120 and 120. The first body 1, the second body 2, and the bending unit 130 are provided with a flapsible display 3 on the front surface thereof.

As shown in the enlarged view, the movable bar 143 of the elastic unit 140 is positioned below the slot base hole 115 and the slit shaft hole 133 of the guide piece 131 is also connected to the link 135 Of the slit shaft hole 138 in FIG. In this state, as described above, since the bending unit 130 is pressed by the spring 145 of the elastic unit 140, the unfolded state can be stably maintained unless the external force is exerted by the elastic force.

When the external force is applied in the direction of the arrow, the moving bar 143 of the elastic unit 140 is moved from the lower side of the slot base hole 115 toward the center. The elastic restoring force of the spring 145 is maximum at the center of the slot base hole 115 which is the shortest distance between the fixed bar pin P4 supporting the fixed bar 141 and the movable bar pin P5 supporting the movable bar 143 Therefore, if the electronic device passes through this point by an external force, the movement of the electronic device is started by the elastic force, and if it does not pass, the electronic device is returned to the unfolded state by the elastic force.

FIG. 10 shows a state in which the hinge apparatus and the electronic apparatus having the hinge apparatus according to the present embodiment are bent. As shown in the enlarged view, the moving bar 143 of the elastic unit 140 is located on the upper side of the slot base hole 115, and the slit shaft hole 133 of the guide piece 131 And is located on the upper side of the slit shaft hole 138 of the link 135 in the drawing. During the bending operation, the link 135 guides the rotation shaft hole 132 and the slit shaft hole 133 of the two-row guide piece 131 located on the concentric circle to move at the same angle. In the electronic device which is finally bent in the round shape, since the bending unit 130 is pressed by the spring 145 of the elastic unit 140, the bending state is stably maintained unless an external force is applied more than a certain amount.

As described above, in the hinge apparatus and the electronic apparatus having the hinge apparatus according to the present embodiment, the moving bar 143 of the elastic unit 140 is pressed to the maximum at the center of the slit shaft hole 115, The elastic restoring force of the spring 145 is applied, so that the banding operation can be realized semi-automatically.

11 is a view illustrating a hinge device according to an embodiment of the present invention and a bending cover 160 for hiding the bending unit of the electronic device having the hinge device. The banding cover 160 is formed of a plurality of folds or sliding doors to prevent the banding unit from being exposed to the outside during the folding operation.

In the present embodiment, the display 3 is provided on the inner front surface of the electronic device to which the electronic device is bent. However, the present invention is not limited thereto and may be provided on the outer rear surface of the electronic device . In addition, although the elastic unit 140 is illustrated as being provided in the first base 110, it may be provided in the second base 120 as well.

1 .. first body 2 .. second body
3 .. display 100 .. hinge device
110 .. first base 120 .. second base
130 .. Bending unit 131 .. Guide
132 .. Rotating shaft hole 133 .. Slit shaft hole
134 .. Rotating shaft ball 135 .. Link
140 .. Elastic unit 141 .. Fixing bar
143 .. Movement Bar 145 .. Spring

Claims (10)

delete A first base and a second base provided opposite to each other,
A bending unit provided between the first and second bases and guiding the first and second bases to bend in a round shape when folded,
And an elastic unit provided on one of the first and second bases so that the bending unit operates elastically,
Wherein the bending unit has a plurality of guide pieces,
Wherein the guide piece has a rotary shaft hole at one end and a slit axial hole at the other end, and a rotary shaft hole is provided between the rotary shaft hole and the slit axial hole,
Wherein the adjacent guide pieces are connected to the slit shaft hole of the rotary shaft hole and the slit shaft hole of the rotary shaft hole, and the plurality of guide pieces connected to each other are arranged in two rows and arranged alternately about the rotary shaft hole. 3. The method of claim 2,
Wherein the bending unit further comprises a link for guiding the rotary shaft and the slit shaft ball located on the same radius at the time of bending to operate simultaneously. The method of claim 3,
The link includes a rotating shaft hole connected to the rotating shaft hole and the fixed pin, and a slit shaft hole connected to the slit shaft hole and the moving pin,
Wherein the rotary shaft hole of the guide piece located on the same radius at the time of bending rotates around the fixing pin and the slit shaft hole allows the slit shaft hole to advance and retract along the moving pin simultaneously in a round shape. 5. The method according to any one of claims 2 to 4,
Wherein one of the first base and the second base is provided with a rotation base hole and a slot base hole,
Wherein the elastic unit includes a fixed bar and a movable bar provided to be variable in length, and a spring interposed therebetween,
Wherein the fixing bar is supported by a fixed bar pin provided on a first base or a second base provided with a rotation base hole and a slot base hole and the moving bar is supported by a moving bar pin provided on the slot base hole. 6. The method of claim 5,
Wherein the first base or the second base having the rotation base hole and the slot base hole are formed by bending a plate material so as to have an inner space to receive the elastic unit. delete A bending unit provided between the first and second bases and guiding the first and second bases so as to have a round shape when folding the first and second bases; A hinge device including an elastic unit provided in one of the first and second bases so as to perform a sexual operation;
A first body to which the first base of the hinge device is coupled,
A second body to which a second base of the hinge unit is coupled,
And a floatable display provided on the front surface of the bending unit of the hinge unit,
Wherein the bending unit has a plurality of guide pieces,
Wherein the guide piece has a rotary shaft hole at one end and a slit axial hole at the other end, and a rotary shaft hole is provided between the rotary shaft hole and the slit axial hole,
Wherein the guide shafts neighboring to each other are connected to the slit shaft hole of the rotary shaft hole and the slit shaft hole of the rotary shaft hole, and the guide pieces are arranged in two rows and are arranged in an X shape around the rotary shaft hole. 9. The method of claim 8,
The hinge device is provided in a pair of left and right electronic devices,
An electronic device connected by a link so that a rotary shaft ball and a slit shaft ball located on the same radius at the time of bending operate simultaneously. delete

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