KR100657005B1 - Mobile terminal having display rotation locking device - Google Patents

Abstract

A mobile terminal having a display rotation locking device is provided to allow a display unit to be stably rotated when it is moved to various positions, and be reliable when an external impact is generated. A two-axes rotational hinge allows a display unit(100) to be rotatable by two axes with respect to a main body part(110). A rotation locking unit, which includes a one-axis rotation joint(120) and a locking shaft(152), makes the display unit(100) be in a one-axis rotation locked state in which the display unit(100) is allowed to be rotated by only one axis or releases the one-axis rotation locked state to allow the display unit(100) to be rotated by two-axis. The two-axes rotational hinge and the rotation locking unit are installed at the main body part(110), and the display unit(100) is fixedly installed at the two-axes rotational hinge and detachably attached to the rotation locking unit.

Description

Mobile terminal having display rotation locking device

1 is a perspective view of a telephone call standby state of the mobile communication terminal according to the first embodiment of the present invention.

2 is a perspective view of a telephone call state of the mobile communication terminal according to the first embodiment of the present invention and a state set up at 180 degrees.

3 is a perspective view of a horizontal state of a mobile communication terminal according to Embodiment 1 of the present invention;

4 is a plan view and a partially enlarged view of the mobile communication terminal according to Embodiment 1 of the present invention in a 180-degree state;

5 is a perspective view and a partially enlarged view of a disassembled display unit in a mobile communication terminal according to Embodiment 1 of the present invention;

6 is a perspective view of a telephone call waiting state of a mobile communication terminal according to Embodiment 2 of the present invention;

7 is a perspective view and a partially enlarged view of a telephone call state and a state standing up to 180 degrees of a mobile communication terminal according to Embodiment 2 of the present invention;

8 is a perspective view of a horizontal state of a mobile communication terminal according to a second embodiment of the present invention.

9 is a perspective view and a partially enlarged view of a main body of a mobile communication terminal according to Embodiment 2 of the present invention;

FIG. 10 is a perspective view and a partially enlarged view illustrating a state in which a single shaft rotation joint and a locking shaft of a mobile communication terminal according to Embodiment 2 of the present invention are combined; FIG.

11 is a perspective view and a partially enlarged view of a state in which a display unit is disassembled and a locking guide is closed in a mobile communication terminal according to Embodiment 2 of the present invention;

12 is a perspective view and a partially enlarged view of a state in which a display unit of a mobile communication terminal according to a second embodiment of the present invention is separated from a main body unit;

<Description of the symbols for the main parts of the drawings>

100: display unit 110: main body

120: one-axis rotating joint 130: antenna

140: 2-axis rotating hinge fixed portion 141: 2-axis rotating hinge rotating portion

150: locking shaft 151: locking shaft knob

152: locking shaft 153: locking shaft spring

200: display unit 210: main body

220: 1-axis rotary joint 221: Locking guide knob

222: fence 223: lock spring

224: knob hole 225: locking guide

226: hanger 227: introduction

230: 2-axis rotating hinge fixed portion 231: 2-axis rotating hinge rotating portion

240: locking shaft 241: locking shaft

242: locking shaft spring

The present invention relates to a locking device designed to enable stable rotation and detachment of a display unit applied to a mobile phone such as a cellular phone, a PCS phone, a smart phone, a PDA phone, and the like. A display lock device of a terminal.

More specifically, when the display unit of a folder-type mobile phone performs a rotational movement of opening a folder upward for a phone call, one end of the rotary shaft is hinged to stably rotate, and the display unit is opened while the folder is opened upward. The present invention relates to a display locking device of a mobile communication terminal, which is configured to lock or unlock one end of the hinged rotating shaft when the other end of the rotating shaft is to be rotated.

Recently, mobile phones such as cellular phones, PCS phones, smart phones, PDA phones, etc. are gradually becoming more versatile and advanced in order to satisfy various needs of users, and various multimedia functions are continuously added.

To this end, it is essential to allow the user to conveniently view various image information by variously moving the position of the display section of the mobile phone.

Many of the mobile phone products currently on the market are LCD products in portrait orientation, and users are demanding to use LCD in landscape orientation to take advantage of multimedia functions such as video viewing, photography, and games. .

This is because videos, photos, games, etc. are composed of aspect ratios such as 4: 3 and 16: 9.

In particular, with the advent of the DMB technology in which broadcasting can be viewed on a mobile phone, the needs of users are increasing day by day.

As a result, various rotating hinges have been developed for rotating the display unit.

Among them, a two-axis rotating hinge has been developed as a rotating hinge that can meet the above requirements.

The two-axis rotation hinge refers to a hinge that can be rotated all with a rotation axis forming an angle of 90 degrees to each other.

Therefore, in general, the biaxial rotation hinge opens the display to make a phone call, and then rotates the display at a rotation axis perpendicular to the rotation axis when the display is opened again in the open state to be parallel to the side of the main body where the button is formed. Can be located.

However, the biaxial rotary hinge did not have a means for stably fixing the portion other than the hinge.

Therefore, in order to have stable operation of the display unit and reliability when an external shock occurs, it is necessary to develop a separate display unit rotation locking device.

As described above, an object of the present invention is to provide a variety of position movement and rotation functions of a display unit of a mobile communication terminal in order to satisfy a user's desire to use various multimedia functions. The present invention provides a mobile communication terminal including a rotation locking device of a display unit designed to have reliability.

In order to achieve the above object, the present invention provides a biaxial rotation hinge that enables the display unit to be rotated biaxially with respect to the main body, and the display unit is rotated in a single axis so that the display can be rotated only in one axis. It is a mobile communication terminal including a rotation locking device for releasing the uniaxial rotation lock state to enable the axis rotation.

The biaxial rotation hinge and the rotation locking device is installed on the main body portion, the display portion is fixed to the biaxial rotation hinge, the display portion is characterized in that detachable to the rotation locking device.

In addition, the rotation locking device, the one-axis rotation joint is installed opposite to the two-axis rotational hinge to support the rotatable rotation of the display unit only one axis; And a locking shaft which is installed on the central axis of rotation of the display when rotated by the one-axis rotation joint and slides to be fastened to the one-axis rotation joint.

The locking shaft knob may be integrally formed with the locking shaft to move the locking shaft.

In addition, by installing a spring in contact with the locking shaft is characterized in that to generate a thrust in the direction of the axial rotation joint.

In addition, the end of the locking shaft is characterized in that the guide surface is formed to be easily fastened to the one-axis rotation joint.

The one-axis rotary joint may further include a locking part for locking or releasing the locking shaft.

In addition, the mall lock portion, the fence is formed with a hook groove is introduced into the locking shaft is introduced into the introduction portion; A locking guide for guiding the locking shaft to the hook groove of the fence and closing the introduction part when the locking shaft is seated inside the hook groove; And a locking guide knob formed integrally with the locking guide to move the locking guide to open the introduction portion of the fence.

In addition, the locking guide is in contact with the locking guide, characterized in that the locking spring for providing an elastic force in the direction to close the introduction portion of the fence.

In addition, the cross section of the locking shaft is formed to have a long diameter and a short diameter, the width of the introduction portion of the fence to the length of the short diameter of the locking shaft, the inner diameter of the hook groove of the fence is the length of the long diameter of the locking shaft Characterized in that formed.

Hereinafter, the present invention will be described in detail.

The gist of the present invention is that when the two-axis rotary hinge is installed on one main body and one side corner of the display unit to move the position of the display unit of the mobile communication terminal, the display unit in the telephone call state from the standby state, When opened (hereinafter referred to as "first operation") serves as a support of the rotating shaft, and the display unit is in a state parallel to the side of the main body portion in the telephone call state (hereinafter referred to as "second operation") Is to release the lock state so that the display unit can rotate.

Therefore, in the present invention, a rotation locking device capable of performing the above role is installed in the mobile communication terminal.

The rotation locking device is largely formed in the display unit, the locking shaft serving as a rotating shaft for the first operation, and the end of the locking shaft to clamp only the first operation or release the locking shaft second It includes a one-axis rotation joint to enable the operation.

In particular, when the display unit of the mobile communication terminal wants to release the lock state of the display unit from the rotation lock device to perform the second operation in the state where only the first operation is possible, a device for releasing the lock state is directly installed on the locking shaft. Or the one-axis rotary joint.

In addition, when only the first operation is possible, in order to maintain the locking shaft coupled to the one-axis rotation joint, an elastic member such as a spring that provides a force pushing the one-axis rotation joint is required.

Alternatively, when the device for releasing the locked state is installed on the one-axis rotation joint side, there is a need for a coupling state maintaining means capable of maintaining the locking shaft coupled to the one-axis rotation joint, unless an external force is applied. The locking guide clamping the locking shaft and the locking guide spring in close contact with the locking guide may be implemented.

Installing the elastic member on the locking shaft, and installing the locking guide and the locking guide spring on the one-axis rotation joint may be applied individually or together.

The movement of the locking shaft or the movement of the locking guide may be operated by hand by knobs integrally installed in each.

In addition, the present invention proposes a device that can limit the second operation only when the display unit is fully extended in the first operation, that is, 180 degrees in the first operation, which is a cross section of the locking guide The ellipse, the introduction portion of the portion coupled to the locking guide in the one-axis rotary joint may be implemented to form the length of the short diameter of the ellipse, the part seated inside the long diameter of the ellipse.

Therefore, when the introduction part is positioned in the direction in which the display part and the main body part constitute 180 degrees, the locking guide having the cross-section of the ellipsoid can exit through the introduction part only when the display part and the main body part constitute 180 degrees. have.

Of course, in this case, when the long diameter direction of the cross section of the locking guide forms the display unit and the main body 180 degrees, it should be formed to have a direction parallel thereto.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

1 to 5 illustrate a mobile communication terminal according to Embodiment 1 of the present invention, and FIGS. 6 to 12 show a mobile communication terminal according to Embodiment 2 of the present invention.

1 is a perspective view illustrating a telephone standby state of a mobile communication terminal according to Embodiment 1 of the present invention, including a display unit 100 and a main body unit 110, wherein the main body unit 110 and the display unit ( 100 is connected by the two-axis rotation hinge and one-axis rotation joint (120).

The biaxial rotation hinge is configured to include a biaxial rotation hinge fixing portion 140 attached to the main body portion 110, and a biaxial rotation hinge rotating portion 141 attached to the display unit 100, The biaxial rotation hinge fixing part 140 and the biaxial rotation hinge rotating part 141 are coupled to be rotatable in the A2 direction (see FIG. 3).

In addition, the display unit 100 is rotatable in the A1 direction (see FIG. 2) by the biaxial rotation hinge rotation unit 141 and the uniaxial rotation joint 120.

As shown in FIG. 1, in the telephone standby state, the angle between the main body 110 and the display 100 is 0 degrees.

And, the antenna 130 is formed on the upper end of one side of the main body 110.

2 is a perspective view of a telephone call state and a 180 degree standing state of the mobile communication terminal according to the first embodiment of the present invention. In the telephone call state, the angle between the main body 110 and the display unit 100 is different. 140-170 degrees.

The axis of rotation at this time is A1 as shown in FIG.

The display unit 100 once stops rotating at an angle of the telephone call state and enters the call mode, and the display unit 100 is completely tilted up to 180 degrees in the vertical direction to switch to the horizontal state of the multimedia mode. do.

In this case, when the display unit 100 is in a phone call state or completely inclined by the one-axis rotation joint 120, reliability in shaking or falling may be ensured.

3 is a perspective view of a horizontal direction of a mobile communication terminal according to Embodiment 1 of the present invention, wherein the display unit 100 rotates the bi-axial hinge so that multimedia operations such as taking pictures, watching videos, and playing games can be performed. The figure shows the state rotated horizontally as a reference.

At this time, the axis of rotation of the two-axis rotation hinge is A2, the display unit 100 is rotated by 180 degrees counterclockwise.

Before rotating as described above, the display unit 100 must be unlocked from the uniaxial rotation joint 120.

The rotation angle based on the A2 direction of the display unit 100 is 180 degrees, and in order to maintain the state of the display unit 100 at this time, it is possible to further install the separate supporting means.

4 is a plan view and a partial enlarged view of the mobile communication terminal according to the first embodiment of the present invention, which is set at 180 degrees, and the locking shaft knob 151 is shown in the partial enlarged view.

That is, when the locking shaft knob 151 is moved in the dotted line direction (left direction) of the partial enlarged view of FIG. 4 in order to separate the display unit 100 from the uniaxial rotation joint 120, the locking shaft knob A locking shaft 152 (see FIG. 5) integral with 151 is displaced to the left and exits from the uniaxial rotation joint 120.

5 is a perspective view and a partially enlarged view of a disassembled display unit in a mobile communication terminal according to Embodiment 1 of the present invention. The locking shaft 152 integrated with the locking shaft knob 151 is a locking coil spring. The initial load is always applied to the right side by the spring 153.

Accordingly, the thrust generated to the right by the locking shaft spring 153 allows the display 100 to stably rotate about the A1 axis.

When the mobile communication terminal according to the first embodiment of the present invention returns to the call mode from the multimedia mode, the mobile communication terminal rotates by 180 degrees clockwise around the A2 direction, which is the opposite of the above process, and then again in the A2 direction- It rotates in the A1 direction by 30 degrees.

At this time, the locking shaft 152 is pushed to the right by thrust of the locking shaft spring 153 without operating the locking shaft knob 151 separately.

FIG. 6 is a perspective view of a call waiting state of a mobile communication terminal according to Embodiment 2 of the present invention, including a display unit 200 and a main body unit 210, wherein the main body unit 210 and the display unit 200 are provided. ) Is connected by a two-axis rotation hinge and one-axis rotation joint (220).

The biaxial rotation hinge includes a biaxial rotation hinge fixing part 230 attached to the main body portion 210 and a biaxial rotation hinge rotation part 231 attached to the display unit 200, The biaxial rotation hinge fixing part 230 and the biaxial rotation hinge rotating part 231 are coupled to be rotatable in the A2 direction (see FIG. 8).

In addition, the display unit 200 may be rotatable in the A1 direction (see FIG. 7) by the biaxial rotation hinge rotation unit 231 and the uniaxial rotation joint 220.

As shown in FIG. 6, the telephone standby state is 0 degrees between the main body 210 and the display 200.

Unlike the first embodiment, the locking guide knob 221 is installed to the outside of the one-axis rotation joint 220.

FIG. 7 is a perspective view and a partially enlarged view of a telephone call state and a standing angle of 180 degrees of the mobile communication terminal according to the second embodiment of the present invention. This is 140 to 170 degrees.

The axis of rotation at this time is A1 as shown in FIG.

The display unit 200 once stops rotating at an angle of the telephone call state and enters the call mode, and the display unit 200 is completely tilted up to 180 degrees in the vertical direction in order to switch to the horizontal state of the multimedia mode. do.

In this case, when the display unit 200 is in a telephone call state or fully flipped by the one-axis rotation joint 220, reliability in shaking or falling may be ensured.

7 illustrates the locking guide knob 221 formed on the right side of the one-axis rotation joint 220 in detail.

FIG. 8 is a perspective view of a horizontal direction of a mobile communication terminal according to Embodiment 2 of the present invention, wherein the display unit 200 rotates the biaxially rotated display unit 200 to perform multimedia operations such as photographing, watching a video, and playing a game. The figure shows the state rotated horizontally as a reference.

At this time, the axis of rotation of the two-axis rotation hinge is A2, the display unit 200 is rotated by 180 degrees counterclockwise.

Before rotating as described above, the display unit 200 must be unlocked from the one-axis rotation joint 220.

The rotation angle based on the A2 direction of the display unit 200 is 180 degrees, and in order to maintain the state of the display unit 200 at this time, it is possible to further install the separate supporting means.

9 is a perspective view and a partially enlarged view of the main body 210 of the mobile communication terminal according to the second embodiment of the present invention, showing in detail the components of the locking unit installed in the one-axis rotation joint 220.

The locking unit is installed in the one-axis rotation joint 220, and serves to lock or unlock the locking shaft 241.

The mall lock includes: a fence 222 having a hook groove 226 in which the locking shaft 241 is introduced into the inlet 227 and seated therein; The locking guide 225 for guiding the locking shaft 241 to the hook groove 226 of the fence 222 and closing the introduction part 227 when the locking shaft 241 is seated inside the hook groove 226. ; And a locking guide knob 221 formed integrally with the locking guide 225 to move the locking guide 225 to open the introduction portion 227 of the fence 222.

As illustrated in FIG. 9, the one-axis rotation joint 220 has an opening formed at one side thereof and has a space for accommodating the locking part therein.

A knob hole 224 for installing the locking guide knob 221 is formed on an outer wall surface of the uniaxial rotating joint 220.

The locking guide 225 integral with the locking guide knob 221 has a guide surface for guiding an end of the locking shaft 241 at one end thereof, and is provided in the uniaxial rotation joint 220, and the knob The locking guide knob 221 installed in the hole 224 is movable up and down.

A locking spring 223 is installed at the bottom of the locking guide 225 to push up the locking guide 225 in an upward direction.

The fence 222 is installed to cover the opening of the uniaxial rotation joint 220 in the lateral direction of the locking guide 225.

An introduction part 227 and a hook hole 226 are formed in the fence 222, and the width of the inlet part 227 is smaller than the hook hole 226.

In addition, the hook hole 226 should be formed in a circular shape so that the end of the locking shaft 241 can freely rotate therein.

Therefore, the locking guide 225 is closed when the external force is not applied through the locking guide knob 221, closing the introduction portion 227 of the fence 222, when the locking guide knob 221 is lowered The locking guide 225 moves downward together to open the introduction portion 227 of the fence 222.

The introduction part 227 is formed to face a direction parallel to the main body 210, that is, a direction forming 180 degrees.

FIG. 10 is a perspective view and a partially enlarged view illustrating a state in which the one-axis rotation joint 220 and the locking shaft 241 of the mobile communication terminal according to the second embodiment of the present invention are combined.

A cross section of the end of the locking shaft 241 is a figure having a long diameter and a short diameter, such as an ellipse, the short diameter of the ellipse is the width of the introduction portion 227, and the long diameter of the ellipse is the It is formed by the inner diameter.

In addition, the long diameter direction of the end surface of the end of the locking shaft 241 is parallel to the direction of the introduction portion 227, so that the body portion 210 and the display portion 200 are formed only 180 degrees. An end of the locking shaft 241 passes through the introduction portion 227.

For this reason, the display unit 200 can be rotated about A2 only when it is fully extended to 180 degrees.

That is, even when the locking guide knob 221 is moved in the fully unfolded state or in a telephone call state, an end portion of the locking shaft 241 cannot exit the introduction portion 227. Rotation around the center becomes impossible.

10 is a view of the upper left side of the locking guide 225 closing the introduction portion 227, the long diameter of the end of the locking shaft 241 is located in the longitudinal direction, the view of the upper right of FIG. The locking guide 225 opens the introduction portion 227, and the long diameter of the end of the locking shaft 241 is located in the horizontal direction.

11 is a perspective view and a partially enlarged view of the display unit 200 in a disassembled state and the locking guide 225 in a closed state in the mobile communication terminal according to the second embodiment of the present invention.

That is, FIG. 11 is a perspective view of the figure of the upper left side of FIG. 10 viewed from another direction.

The locking shaft 241 is always in an initial load to the right by the locking shaft spring 242 which is a compression coil spring.

Therefore, the thrust generated to the right by the locking shaft spring 242 allows the display unit 200 to stably rotate about the A1 axis.

When the mobile communication terminal according to the second embodiment of the present invention returns to the call mode from the multimedia mode, the mobile communication terminal rotates by 180 degrees clockwise around the A2 direction, which is the opposite of the above process, and then again in the A2 direction- It rotates in the A1 direction by 30 degrees.

At this time, the end of the locking shaft 152 is pushed to the right side by the thrust of the locking shaft spring 242, guided by the locking guide 225, the hook of the fence 222 automatically It is seated in the groove 226.

12 is a perspective view and a partially enlarged view of a state in which the display unit 200 of the mobile communication terminal according to the second embodiment of the present invention is separated from the main body unit 210.

Alternatively, FIG. 12 may be viewed as a view showing a state immediately before returning to the call mode by closing the display unit 200.

12 is an enlarged view of the right side of the locking shaft 241 in contact with the locking guide 225.

If the display unit 200 is closed and returns to the call mode, the end of the locking shaft 241 is pushed down by the thrust of the locking shaft spring 242 while riding down the locking guide 225. The end of the locking shaft 241 passes through the introduction portion 227 of the fence 222 to the hook hole 226.

In the first embodiment, the locking shaft knob 151 must be moved to release the locking state of the rotation of the display in the A2 direction. In the second embodiment, the locking king knob 221 must be moved. .

Therefore, in order to move the locking shaft knob 151 of Embodiment 1, it may be somewhat inconvenient for a user to operate with one hand, whereas in Embodiment 2, only the thumb is used to move the locking guide knob 221. Easy to operate

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

In order to meet the user's desire to use a variety of multimedia functions through the present invention, in the position of the display unit of the mobile communication terminal to have a variety of position movement and rotation function, the display unit has a stable rotation operation and reliability when an external shock occurs It is possible to manufacture a mobile communication terminal.

Claims (10)

A biaxial rotation hinge for rotating the display unit in two axes with respect to the main body, and a single axis rotation locking state for allowing the display unit to rotate in one axis so that the display unit can rotate in only one axis. Mobile communication terminal comprising a rotation locking device to release. According to claim 1, wherein the two-axis rotation hinge and the rotation locking device is installed in the main body portion, the display portion is fixed to the two-axis rotation hinge, characterized in that the display portion detachable to the rotation locking device Mobile communication terminal. According to claim 1 or 2, The rotation locking device, A one-axis rotation joint installed to face the two-axis rotation hinge to rotatably support the display unit only in one axis; And And a locking shaft which is installed on the center of rotation of the display when the shaft is rotated by the one-axis rotation joint and slides to be fastened to the one-axis rotation joint. The mobile communication terminal of claim 3, wherein the locking shaft knob is integrally formed with the locking shaft to move the locking shaft. 4. The mobile communication terminal according to claim 3, wherein a spring abuts against the locking shaft is installed to generate a thrust in the direction of a single axis rotation joint. The mobile communication terminal of claim 3, wherein an end of the locking shaft is formed with a guide surface so as to be easily coupled to the one-axis rotation joint. The mobile communication terminal of claim 3, further comprising a locking unit configured to lock or unlock the locking shaft. The method of claim 7, wherein the mall lock portion, A fence in which the locking shaft is introduced into the introduction part and has a hook groove formed therein; A locking guide for guiding the locking shaft to the hook groove of the fence and closing the introduction part when the locking shaft is seated inside the hook groove; And And a locking guide knob which is integrally formed with the locking guide to move the locking guide to open the introduction portion of the fence. The mobile communication terminal of claim 8, wherein a locking spring is provided in contact with the locking guide to impart an elastic force in a direction in which the locking guide closes the inlet of the fence. The locking shaft of claim 8, wherein a cross section of the locking shaft has a long diameter and a short diameter, a width of an introduction portion of the fence is formed to a length of a short diameter of the locking shaft, and an inner diameter of a hook groove of the fence is defined by the locking shaft. Mobile communication terminal, characterized in that formed in the length of the long diameter.

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