KR100664184B1 - Dual hinge apparatus and mobile communication terminal having the same - Google Patents

Abstract

The present invention relates to a dual hinge device and a mobile communication terminal having the same. A mobile communication terminal having a dual hinge device according to the present invention, the main body portion; A folder unit having an inner display unit on an inner surface thereof and arranged in parallel on one side in a thickness direction of the main body unit; A first movable hinge part integrally coupled to one side of the main body part, a second movable hinge part arranged side by side on one side of the first movable hinge part and integrally coupled to the folder part, the first movable hinge part and A first fixed hinge portion coupled to the first movable hinge portion and the second movable hinge portion simultaneously with a first shaft and a second shaft coupled to the second movable hinge portion so as to be relatively movable; The main body portion and the folder portion are provided with a second fixed hinge portion disposed on an opposite side of the first fixed hinge portion with the movable hinge portion and the second movable hinge portion interposed therebetween and integrally coupled with the first fixed hinge portion. It characterized in that it comprises a dual hinge device to be coupled relative rotation. As a result, when using each function, it is possible to rotate the main body portion and the folder portion to an appropriate position in accordance with the corresponding function can enhance the user's convenience.

Description

Dual hinge device and mobile communication terminal having the same {DUAL HINGE APPARATUS AND MOBILE COMMUNICATION TERMINAL HAVING THE SAME}

1 is a perspective view of a conventional mobile communication terminal,

2 is a perspective view of a mobile communication terminal having a dual hinge device according to an embodiment of the present invention;

3 to 5 are a right side view, a left side view, and a top view of a mobile communication terminal each having the dual hinge device of FIG. 2;

6 is a view showing an expanded state of the folder part of FIG.

7 is a perspective view for explaining the operation of the support lever of FIG.

8 is a perspective view of the dual hinge device of FIG.

FIG. 9 is a rear view of the dual hinge device of FIG. 8; FIG.

10 and 11 are views illustrating a rotation state of the second movable hinge part of FIG. 8, respectively.

12 is an exploded perspective view of FIG. 11;

FIG. 13 is a cross-sectional view taken along the line A-A of FIG. 8;

14 is a view showing a rotation state of the fixing projection of FIG.

15 and 16 are views for explaining the operation of the locking device of FIG.

Explanation of symbols on the main parts of the drawings

10: main body 16: support lever

17: lever receiving portion 19,29: hinge receiving portion

20: folder portion 25: internal display unit

27 speaker 30 dual hinge device

31: first movable hinge portion 32: first bracket portion

36: first tooth portion 34: fixed hinge support portion

35: stopper accommodating part 41: second movable hinge part

46: second tooth portion 51: the first fixed hinge portion

52a: first axis 52b: second axis

52c: connecting portion 61: second fixing hinge

62a: first shaft coupling portion 62b: second shaft coupling portion

62c: camera coupling portion 65: locking jaw

67: camera 70: position fixing

71: fixed projection 72: projection spring

73: projection receiving portion 80: locking device

81: stopper 82: driven part

83: stopper spring 85: cam portion

86: camp profile 87: lever coupling portion

88: rotating shaft

The present invention relates to a dual hinge device and a mobile communication terminal having the same, and more particularly, it is possible to rotate the main body portion and the folder portion to an appropriate position to use the respective functions to enhance the user's convenience. It relates to a dual hinge device and a mobile communication terminal having the same.

1 is a perspective view of a conventional mobile communication terminal. As shown in the drawing, the mobile communication terminal includes a main body 111 and a folder part 121 that is rotatably coupled to the main body 111.

The front of the main body 111 is provided with a plurality of keys 113 for inputting a signal, and one side of the key 113 is provided with a microphone 115 for inputting sound information. An antenna 117 is formed at one side of the main body 111 to extend in the longitudinal direction to transmit and receive a signal, and a battery 118 for power supply is detachably coupled to the rear surface. A fixed hinge part 119 is formed at one side along the longitudinal direction of the main body part 111 so that the folder part 121 can be coupled to be relatively rotatable.

An inner display unit 123 is provided on the inner surface of the folder unit 121 so as to output predetermined time information, and a receiver 125 is provided on the upper side of the inner display unit 123 so that sound information can be output. have. A movable hinge part 127 is formed at one side along the longitudinal direction of the folder part 121 so as to be relatively rotatable to the fixed hinge part 119.

On the other hand, recently, mobile communication terminals have been researched and developed with functions other than communication functions so that various services such as video, movie, TV viewing, and video (VIDEO ON DEMAND) can be provided through the mobile communication terminal.

By the way, in such a conventional mobile communication terminal, the folder unit 121 is rotated with respect to the main body unit 111 with respect to a general call using the microphone of the main body unit 111 and the receiver 125 of the folder unit 121. The hinge portion 119 and the movable hinge portion 127 are formed so as to be able to be rotated, so that the folder portion 121 and the main body portion 111 can be rotated to a position suitable for performing the corresponding function when performing each function. It is pointed out that there is no inconvenience in use and the user's satisfaction cannot be improved.

Accordingly, an object of the present invention is to provide a dual hinge device and a mobile communication terminal having the same, which can enhance the user's convenience by rotating the main body and the folder to an appropriate position when using each function. will be.

The object is, according to the present invention, a main body portion; A folder unit having an inner display unit on an inner surface thereof and arranged in parallel on one side in a thickness direction of the main body unit; A first movable hinge part integrally coupled to one side of the main body part, a second movable hinge part arranged side by side on one side of the first movable hinge part and integrally coupled to the folder part, the first movable hinge part and A first fixed hinge portion coupled to the first movable hinge portion and the second movable hinge portion simultaneously with a first shaft and a second shaft coupled to the second movable hinge portion so as to be relatively movable; The main body portion and the folder portion are provided with a second fixed hinge portion disposed on an opposite side of the first fixed hinge portion with the movable hinge portion and the second movable hinge portion interposed therebetween and integrally coupled with the first fixed hinge portion. It is achieved by a mobile communication terminal having a dual hinge device characterized in that it comprises a dual hinge device to be coupled to rotate relative.

Here, it is preferable that the first shaft coupling portion and the second shaft coupling portion are respectively formed in the second fixed hinge portion such that the first shaft and the second shaft are inserted and coupled.

Screw holes are formed in the first shaft coupling portion and the second shaft coupling portion so that the fixing screw can pass along the radial direction, and the front end of the fixing screw can be screwed to the first shaft and the second shaft. It is effective that the female threaded portions are formed so as to be effective.

Preferably, the first shaft coupling portion and the second shaft coupling portion are formed to be inserted and coupled to the inside of the first movable hinge portion and the second movable hinge portion to a predetermined depth, respectively.

It is effective that the camera coupling portion is formed in any one of the first fixed hinge portion and the second fixed hinge portion so that the camera can be coupled.

A support lever rotatably disposed between a folding position disposed parallel to the front surface of the body portion and a support position disposed along a thickness direction on the front surface of the body portion to be inclined with respect to an installation surface; It is preferable to further include.

It is effective that the support lever is coupled to the main body so that the pivot shaft is formed along the longitudinal direction of the main body.

One side of the support lever is preferably coupled relative to the first movable hinge portion.

In the support position of the support lever, it is effective to further include a locking device for suppressing the relative rotation of the folder portion to the main body portion.

The locking device may include a stopper disposed to protrude and retract from one of the second fixed hinge portion and the first movable hinge portion to the other, and among the second fixed hinge portion and the first movable hinge portion. It is preferable that the other includes a locking step formed to be in contact with the stopper and the stopper driving portion for protruding and withdrawing the stopper.

The first movable hinge portion has a stopper accommodation portion formed to receive the stopper so as to be able to flow along the rotation axis direction of the support lever, and is disposed inside the stopper accommodation portion to apply an elastic force to protrude the stopper. It is effective to include more springs.

The stopper driving unit has a camping profile formed to have a height difference along the rotation axis of the support lever, and a cam unit rotatably disposed around the rotation axis disposed in parallel with the rotation axis of the support lever; It is preferable to include a follower formed in contact with the camp profile on one side of the stopper.

The first movable hinge portion and the second movable hinge portion are effective in that the first tooth portion and the second tooth portion are formed so as to be rotatably coupled to each other.

The first movable hinge portion and the second movable hinge portion each have a first hinge bracket and a second hinge bracket, each of which protrudes along a radial direction and extends a predetermined length along an axial direction, to which the main body portion and the folder portion are respectively coupled. It is preferable that it is formed.

It is effective to further include a fixed hinge support portion extending from the at least one of the first hinge bracket and the second hinge bracket to the other side of the second fixed hinge portion along the axial direction to support the second fixed hinge portion rotatably. to be.

Preferably, the main body portion and the folder portion are each provided with a hinge accommodating portion for accommodating the first movable portion and the second movable hinge portion such that the first tooth portion and the second tooth portion are exposed to the outside.

Preferably, the first movable hinge portion and the second movable hinge portion further include a position fixing portion for preventing the first rotation hinge portion from being unintentionally rotated and fixed to the adjusted position.

The position fixing part may include a fixing protrusion protruding from one of the mutual contact surfaces of the first and second axes, the first movable hinge portion, and the second movable hinge portion toward the other, and the fixing portion is fixed to the other of the mutual contact surfaces. It is preferable to include a projection receiving portion is formed so that the projection can be inserted to a predetermined depth, and a projection spring for applying an elastic force so that the fixing projection can protrude.

The fixing protrusion is coupled to the first shaft and the second shaft, and the protrusion receiving portion is effectively formed at the first movable hinge portion and the second movable hinge portion, respectively.

The protrusion accommodating part may be formed at a position where the inner display part overlaps the front surface of the main body part, and a position where the folder part and the main body part overlap each other so that the inner display part is exposed to the outside.

And a microphone disposed in the lower front area of the main body and a speaker disposed above the internal display, wherein the projection receiving unit rotates the folder unit with respect to the main body during a telephone call using the microphone and the speaker. It is effective to be formed at the currency position.

Preferably, speakers are disposed at both sides of the inner display unit along the length direction of the folder unit.

On the other hand, according to another field of the present invention, the first fixed hinge portion having a first axis and a second axis disposed parallel to each other; A first movable hinge part coupled to one of the first shaft and the second shaft so as to be relatively rotatable; A second movable hinge part rotatably coupled to another one of the first and second shafts; And a second fixed hinge part disposed on an opposite side of the first fixed hinge part with the first movable hinge part and the second movable hinge part interposed therebetween and integrally coupled with the first fixed hinge part. Hinges are provided.

The first movable hinge portion and the second movable hinge portion are formed to be interposed between the first shaft and the first movable hinge portion and the mutually contact surfaces of the second shaft and the second movable hinge portion. It is preferable to further include a position fixing for suppressing the unintentional rotation with respect to the fixed hinge portion.

The position fixing part may include a fixing protrusion protruding from one of the mutual contact surfaces of the first and second axes, the first movable hinge portion, and the second movable hinge portion toward the other, and the fixing portion is fixed to the other of the mutual contact surfaces. It is effective to include a projection receiving portion formed so that the projection can be inserted to a predetermined depth, and a projection spring for applying an elastic force so that the fixing projection can protrude.

Preferably, the fixing protrusions are formed on the first shaft and the second shaft, and the protrusion accommodating part is formed on the first movable hinge part and the second movable hinge part, respectively.

The first movable hinge portion and the first shaft, and the second movable hinge portion and the second shaft is configured to further include a locking portion for suppressing relative rotation.

The locking part may include a stopper protruding and retractable from one of the second fixed hinge part and the first movable hinge part toward the other one, and the other of the second fixed hinge part and the first movable hinge part. It is preferable to include a locking jaw formed to be in contact with the stopper in one, and a stopper driver for protruding and withdrawing the stopper.

The stopper is disposed in the first movable hinge portion, it is effective to further include a spring for applying an elastic force to protrude the stopper behind the stopper.

The stopper driving unit has a cam profile formed to have a predetermined height difference along the protruding direction of the stopper, and a cam unit rotatably disposed around a rotation axis formed along the protruding direction of the stopper, and the stopper of the stopper. It is preferable to include a follower formed to be in contact with the camp profile on one side.

The first movable hinge portion and the second movable hinge portion are effectively provided with a first tooth portion and a second tooth portion so as to be engaged with each other and rotated.

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

2 is a perspective view of a mobile communication terminal having a dual hinge device according to an embodiment of the present invention, Figures 3 to 5 are each a right side view, a left side view and a mobile communication terminal having a dual hinge device of FIG. FIG. 6 is a plan view illustrating an expanded state of the folder part of FIG. 2, and FIG. 7 is a perspective view for explaining the operation of the support lever of FIG. 6. As shown in these figures, the mobile communication terminal including the dual hinge device includes a main body portion 10 and an inner display portion 25 on an inner surface thereof on one side along the thickness direction of the main body portion 10. Folder unit 20 arranged side by side, and the main body portion 10 and the folder portion 20 so that the folder portion 20 can be superimposed on one side of the main body portion 10 so that the internal display portion 25 is exposed to the outside. ) Is configured to include a dual hinge device 30 to be coupled to each other rotatably.

A plurality of keys 13 are provided on a front surface of the main body 10 so as to input a signal, and a microphone 15 is formed at one side of the key 13 to input sound information. The external display unit 23 and the internal display unit 25 are respectively provided on the outer surface and the inner surface of the folder unit 20 so as to output predetermined visual information. A pair of speakers 27 are provided at both side regions of the display unit 25 to output sound information.

On the other hand, the upper portion of the main body portion 10 and the folder portion 20 is provided with a dual hinge device 30 so that the main body portion 10 and the folder portion 20 can be rotated relative to each other, the main body portion ( 10) and hinge receiving portions 19 and 29 at each upper end of the folder portion 20 so as to accommodate a region of the dual hinge device 30 so that the first tooth portion and the second tooth portion to be described later are exposed to the outside. Are formed respectively.

The camera 67 is coupled to one side area of the dual hinge device 30 so that shooting is possible, and the main body part has a front surface of the main body part 10 with a pivot axis disposed along the longitudinal direction of the main body part 10. The support lever 16 is rotatable between a folded position disposed side by side on the front surface of the support 10 and a support position pivotally rotatable on the front surface of the body portion 10 to support the body portion 10 inclined with respect to the installation surface. ) Is combined.

The support lever 16 is formed to have a substantially "U" cross-sectional shape, and the lever receiving portion 17 cut out to accommodate the support lever 16 is formed on the front surface of the main body portion 10. The upper end of the support lever 16 is connected to the dual hinge device 30 so as to be relatively rotatable, and the lower end is coupled to the main body 10 so as to be relatively rotatable. The upper one side of the support lever 16 allows the rotation of the dual hinge device 30 at the folding position of the support lever 16, and the rotation of the dual hinge device 30 when the support lever 16 is rotated to the support position. It is provided with a locking device 80 to suppress the.

FIG. 8 is a perspective view of the dual hinge device of FIG. 2, and FIG. 9 is a rear view of the dual hinge device of FIG. 8, and FIGS. 10 and 11 respectively show a rotational state of the second movable hinge part of FIG. 8. FIG. 12 is an exploded perspective view of FIG. 11, FIG. 13 is a cross-sectional view taken along line AA of FIG. 8, FIG. 14 is a view illustrating a rotation state of the fixing protrusion of FIG. 13, and FIGS. 15 and 16 are respectively. 10 is a view for explaining the operation of the locking device of FIG. As shown in these drawings, the dual hinge device 30 includes a first movable hinge portion 31 coupled to one side of the main body portion 10 and a side of the first movable hinge portion 31. The second movable hinge portion 41 and the first movable hinge portion 31 and the second movable hinge portion 41 which are arranged side by side and integrally coupled to the folder portion 20 are respectively coupled to each other so as to be capable of relative movement. A first movable hinge portion 51 having a first shaft 52a and a second shaft 52b and simultaneously coupled to the first movable hinge portion 31 and the second movable hinge portion 41; A second fixed hinge portion (31) disposed on an opposite side of the first fixed hinge portion (51) with the branch portion (31) and the second movable hinge portion (41) interposed therebetween and integrally coupled with the first fixed hinge portion (51). 61).

The first fixed hinge portion 51 is connected to the first shaft 52a and the second shaft 52b and the first shaft 52a and the second shaft 52b integrally spaced apart from each other by a predetermined distance. The first movable hinge portion 31 and the second movable hinge portion 41 are coupled to the first shaft 52a and the second shaft 52b so as to be relatively rotatable, respectively. .

The first movable hinge portion 31 and the second movable hinge portion 41 are formed to have a substantially cylindrical shape so that the first shaft 52a and the second shaft 52b can be coupled to each other to be relatively rotatable. In one side, the first bracket portion 32 and the second bracket portion 42 protruding in the radial direction and extending in the axial direction so that the main body portion 10 and the folder portion 20 can be coupled to each other, respectively. Formed. Each of the bracket portions 32 and 42 has a plurality of screw holes 33 and 43 formed therein so that a screw (not shown) having a tip coupled to the main body 10 and the folder portion 20 can be accommodated therein. The upper side of the support lever 16 is connected to the first bracket portion 32 so as to be relatively rotatable. Rotating shaft 18 is formed at the lower end of the support lever 16 to be rotatably coupled to the body portion 10.

A first gear is formed in the form of a sector gear such that the first movable hinge portion 31 and the second movable hinge portion 41 are engaged with each other at an end portion of the second fixed hinge portion 61 side in an axial direction so as to be integrally rotated. Teeth 36 and second teeth 46 are formed, respectively. The first movable hinge portion 31 extends corresponding to the second fixed hinge portion 61 along one side of the second fixed hinge portion 61 so as to support the second fixed hinge portion 61, and then again to the second movable hinge portion 61. The fixed hinge support part 34 which bends to the end side of the fixed hinge part 61, and supports the 2nd fixed hinge part 61 so that rotation is possible is formed. The fixed hinge support part 34 is provided with a rotating shaft 38 to be pivotally supported by being inserted into the shaft hole 64 formed in the second fixed hinge part 61.

The second fixed hinge portion 61 includes a camera coupling portion 62c formed in a substantially rectangular frame shape so that the camera 67 can be coupled to the inside thereof, and the first movable hinge 61 moves from one side of the camera coupling portion 62c. The first shaft coupling portion 62a which protrudes to be inserted into the branch 31 and the second movable hinge portion 41, respectively, and is integrally coupled to the first shaft 52a and the second shaft 52b. And a second shaft coupling portion 62b. Female threads 54 are formed at the ends of the first shaft 52a and the second shaft 52b, respectively, and the respective ends of the first screw coupling portion 62a and the second shaft coupling portion 62b are each female screw portion. The screw passing holes 63 are formed to penetrate through the fixing screws 48 to be coupled to the 54. Correspondingly, screw insertion holes 37 and 47 are formed in the first movable hinge portion 31 and the second movable hinge portion 41 so that the fixing screw 48 can be inserted from the outside.

On the other hand, the folder portion 20 and the main body portion 10 in the mutual contact area between the first shaft 52a and the first movable hinge portion 31, and the second shaft 52b and the second movable hinge portion 41. The position fixing parts 70 are formed so that they can be prevented from being accidentally rotated in the relative rotated positions.

Each position fixing part 70 is fixed to the first shaft 52a and the second shaft 52b so as to protrude and retract along the radial direction of the first shaft 52a and the second shaft 52b, respectively. Corresponding to the projection 71, the projection spring for applying an elastic force to the fixing projection 71 in the direction in which each of the fixing projections 71, the first movable hinge portion 31 and the second movable hinge portion 41 The fixing protrusion 71 is provided with a protrusion accommodating portion 73 formed to be recessed along the radial direction so that the fixing protrusion 71 can be accommodated.

Each projection accommodating portion 73 has a first position P1 in which the folder portion 20 and the main body portion 10 overlap each other so that the internal display portion 25 and the key 13 face each other, and the main body portion 10. The second position (P2) to make a phone call using the microphone 15 of the front of the front panel and the speaker 27 of the folder unit 20, and the folder unit (with the internal display unit 25 exposed to the outside). 20) and the main body 10 are formed in the third position P3, which overlaps each other. The second position P2 is formed at a position separated by 82.5 degrees from the first position P1 so that the inner angles of the folder portion 20 and the main body portion 10 are approximately 165 degrees, and the third position P3 is They are formed at positions 180 degrees apart from the first position P1, respectively. Here, the second position P2 can be appropriately adjusted according to the configuration of the main body 10 and the folder 20.

Protruding coupling portions 56 are formed on the first shaft 52a and the second shaft 52b so that the fixing protrusions 71 protrude and be retractably accommodated in a radial direction. The inside of the 56, the projection spring 72 for applying an elastic force so that the fixing projection 71 is protruding is elastically accommodated.

On the other hand, a locking device 80 is formed in the first bracket portion 32 and the fixed hinge support portion 34 to suppress the rotation of the second movable hinge portion 41. The locking device 80 is moved from the above-described third position P3 to the second position P2 in which the folder portion 20 overlaps the main body portion 10 with the inner display portion 25 exposed to the outside. It is configured to suppress the rotation, and is configured to be linked with the rotation of the support lever 16.

The locking device 80 is disposed on the fixed hinge support part 34 so as to protrude and retract along the longitudinal direction of the main body 10 and to be in contact with the front of the rotation direction of the second fixed hinge part 61 when protruding. And a stopper 81 for suppressing rotation of the second movable hinge portion 41, a stopper spring 83 for applying an elastic force in the direction in which the stopper 81 protrudes, and a predetermined direction along the protruding direction of the stopper 81. It is provided with a cam profile (86) formed to have a height difference, the cam portion 85 rotatably coupled to the first bracket portion 32, and integral with the stopper (81) to be in contact with the camp profile (86) It is comprised including the follower part 82 formed with.

On one side of the stopper 81, the driven portion 82 is integrally formed with a predetermined height difference, and the bottom of the stopper 81 is spring fixed protrusion to protrude downward so that the stopper spring 83 to be described later is coupled. 90 is formed. The stopper receiving portion 35 is formed in the fixed hinge support portion 34 so that the stopper 81 can be lifted and lowered, and the stopper 81 protrudes in the stopper receiving portion 35. The stopper spring 83 to be applied is housed.

On one side of the stopper 81, the stopper 81 is prevented from being separated from the stopper accommodating portion 35, and the pivot shaft 88 disposed along the axial direction of the pivot shaft 18 of the support lever 16 is provided. The cam part 85 provided is arrange | positioned. The first bracket portion 32 has a shaft hole 39 formed therethrough so that the rotation shaft 88 of the cam portion 85 can be rotatably coupled, and can be prevented from being separated at the lower end of the rotation shaft 88. Retaining ring 89 is coupled so that. One side of the cam portion 85 is integrally formed with a lever engaging portion 87 protruding along the radial direction of the rotation shaft 88 so that the upper end of the support lever 16 can be integrally coupled.

One side of the cam portion 81 has a predetermined height difference along the axial direction so that the stopper 81 can protrude and withdraw during rotation, and the circumferential direction is the side of the lever engaging portion 87 at the side of the cam portion 85. Extended camp profile 86 is formed. The camp profile 86 contacts the locking jaw 65 formed so that the stopper 81 protrudes and protrudes from the second fixing hinge 61 when the support position 16 of the support lever 16 rotates. The stopper 81 presses the second fixed hinge portion 61 by pressing the stopper 81 in the locking position to suppress the rotation of the 41 and the stopper spring 83 in the folded position of the support lever 16. It is formed to have a release position spaced apart from the locking step (65) of.

By such a configuration, when the dual hinge device 30 is to be coupled, the first shaft coupling part 62a and the second shaft coupling part inside the first movable hinge part 31 and the second movable hinge part 41. Each of the first shafts having the projection springs 72 and the fixing projections 71 coupled to the opposite sides of the first movable hinge portion 31 and the second movable hinge portion 41 in the state in which 62b is inserted, respectively. 52a) and the second shaft 52b are inserted so that the first shaft 52a and the second shaft 52b are respectively inserted into the first shaft coupling portion 62a and the second shaft coupling portion 62b.

Next, each screw insertion hole (37, 47), screw through hole (63) and female threaded portion 54 to communicate with each other, and then insert the fixing screw 48 through the screw insertion hole (37, 47), respectively, The single shaft coupling portion 62a and the first shaft 52a, the second shaft coupling portion 62b and the second shaft 52b are integrally coupled to each other.

When the coupling of the dual hinge device 30 is completed, the first bracket portion 32 and the second bracket portion 42 may be formed at each of the hinge accommodation portions 19 and 29 of the main body portion 10 and the folder portion 20, respectively. It is to be inserted into the inside to be integrally coupled to the hinge receiving portion (19,29), respectively. Inserting the stopper spring 83 and the stopper 81 into the stopper accommodating part 35 in sequence, and engaging the cam part 85 so that the stopper 81 is pressed, the lever lever 87 of the support lever 16 Allow the top to be integrally coupled.

Meanwhile, as shown in FIG. 2, the folder 20 and the main body 10 are overlapped with the external display unit 23 exposed to the outside. It is accommodated in the protrusion accommodating part 73 formed in the 1st position P1.

When the general call is to be made, when the folder unit 20 is rotated relative to the main body unit 10, the first movable hinge unit may be engaged by the first tooth unit 36 and the second tooth unit 46 engaged with each other. 31 and the second movable hinge portion 41 are rotated in a direction spaced apart from each other with respect to the first axis 52a and the second axis 52b, respectively. When each fixing protrusion 71 is inserted into the protrusion receiving portion 73 formed at the second position P2, as shown in FIG. 6, the folder portion 20 and the main body portion 10 are fixed in position and rotated at an unexpected time. Is prevented.

As shown in FIG. 7, when the user wants to watch a wide screen displayed on the internal display unit 25, the folder unit 20 is placed so that the outer surface of the folder unit 20 contacts the rear surface of the main body unit 10. Rotate At this time, each of the fixing protrusions 71 inserted into each of the protrusion receiving portions 73 formed at the second position P2 is the protrusion receiving portion 73 of the second position P2 while the protrusion spring 72 is compressed. When the outer surface of the folder portion 20 comes into contact with the rear surface of the main body portion 10, each of the fixing protrusions 71 is inserted into the protrusion accommodation portion 73 formed at the third position P3.

In this state, when the support lever 16 is rotated to the support position, the follower 82 and the stopper spring 83 are pressed by the cam portion 85, and as shown in FIG. 15, the stopper 81 in the released position is shown. ) Protrudes gradually along the camp profile 86 by the elastic force of the stopper spring 83, and protrudes to the locked position as shown in FIG. 16 at the point where the support lever 16 is rotated to the support position. It comes in contact with the locking projection 65 formed in the second fixed hinge portion 61 to suppress the rotation of the folder portion 20.

As described above, according to the present invention, the main body portion; A folder unit having an inner display unit on an inner surface and arranged side by side on one side in a thickness direction of the main body unit; A first movable hinge portion integrally coupled to one side of the main body portion, a second movable hinge portion arranged side by side on one side of the first movable hinge portion and integrally coupled to the folder portion, a first movable hinge portion and a second movable hinge A first fixed hinge portion coupled to the first movable hinge portion and the second movable hinge portion at the same time, the first movable hinge portion and the second movable hinge having a first shaft and a second shaft coupled to the branch so as to be relatively movable; By including a second fixed hinge portion which is disposed on the opposite side of the first fixed hinge portion with the interposed portion to be integrally coupled to the first fixed hinge portion to include a dual hinge device for the main body portion and the folder portion to be coupled relative to each other When using each function, there is provided a mobile communication terminal having a dual hinge device that can rotate the main body and the folder to an appropriate position to enhance the user's convenience.

Further, according to the present invention, the first fixed hinge portion having a first axis and a second axis arranged in parallel with each other, and the first movable hinge portion coupled to any one of the first axis and the second axis so as to be relatively rotatable. And a second movable hinge part rotatably coupled to the other of the first axis and the second axis, and disposed on an opposite side of the first fixed hinge part with the first movable hinge part and the second movable hinge part interposed therebetween. By including a second fixed hinge coupled to the first fixed hinge unit integrally, there is provided a dual hinge device that can rotate the object to a position suitable for the function when using each function to enhance the user's convenience.

Claims (33)

A main body; A folder unit having an inner display unit on an inner surface thereof and arranged in parallel on one side in a thickness direction of the main body unit; A first movable hinge part fixedly coupled to one side of the main body part; A second movable hinge part disposed side by side on one side of the first movable hinge part and fixedly coupled to the folder part; The first movable hinge portion and the second movable hinge portion are coupled to the second movable hinge portion so as to be relative to each other, and have a first shaft and a second shaft which are integrally formed to be simultaneously coupled to the first movable hinge portion and the second movable hinge portion. The first fixed hinge, The main body part and the second fixed hinge part disposed on an opposite side of the first fixed hinge part with the first movable hinge part and the second movable hinge part interposed therebetween to be fixedly coupled to the first fixed hinge part; It includes a dual hinge device for coupling the folder portion relative to each other, A first hinge portion integrally formed on the first movable hinge portion, and a second tooth portion integrally formed on the second movable hinge portion so as to rotate in engagement with the first tooth portion; Mobile communication terminal provided. The method of claim 1, The second fixed hinge portion is a mobile communication terminal having a dual hinge device, characterized in that the first shaft coupling portion and the second shaft coupling portion are respectively formed so that the first shaft and the second shaft can be inserted and coupled respectively. . The method of claim 2, Screw holes are formed in the first shaft coupling portion and the second shaft coupling portion so that the fixing screw can pass along the radial direction, and the front end of the fixing screw can be screwed to the first shaft and the second shaft. A mobile communication terminal having a dual hinge device, characterized in that the female screw portion is formed so that each. The method of claim 2, And the first shaft coupling portion and the second shaft coupling portion are formed to be inserted into the first movable hinge portion and the second movable hinge portion at a predetermined depth, respectively. The method of claim 1, Mobile communication terminal having a dual hinge device, characterized in that the camera coupling portion is formed so that any one of the first fixed hinge portion and the second fixed hinge portion is coupled to the camera. The method of claim 1, A support lever rotatably disposed between a folding position disposed parallel to the front surface of the body portion and a support position disposed along a thickness direction on the front surface of the body portion to be inclined with respect to an installation surface; A mobile communication terminal having a dual hinge device, characterized in that it further comprises. The method of claim 6, The support lever is a mobile communication terminal having a dual hinge device, characterized in that coupled to the main body portion to form a rotating shaft in the longitudinal direction of the main body portion. The method of claim 7, wherein One side of the support lever is a mobile communication terminal having a dual hinge device, characterized in that coupled relative to the first movable hinge. The method of claim 6, And a locking device for preventing the folder portion from being rotated relative to the main body at the support position of the support lever. The method of claim 9, The locking device may include a stopper disposed to protrude and retract from one of the second fixed hinge portion and the first movable hinge portion to the other, and among the second fixed hinge portion and the first movable hinge portion. A mobile communication terminal having a dual hinge device, characterized in that it comprises a locking jaw formed to be in contact with the stopper on the other, and a stopper driver for protruding and withdrawing the stopper. The method of claim 10, The first movable hinge portion has a stopper accommodating portion formed therein so that the stopper can be accommodated in a rotational axis direction of the support lever, and is disposed inside the stopper accommodating portion to apply an elastic force to protrude the stopper. Mobile communication terminal having a dual hinge device characterized in that it further comprises a spring. The method of claim 11, The stopper driving unit has a camping profile formed to have a height difference along the rotation axis of the support lever, and a cam unit rotatably disposed around the rotation axis disposed in parallel with the rotation axis of the support lever; A mobile communication terminal having a dual hinge device, characterized in that it comprises a follower formed in contact with the camp profile on one side of the stopper. delete The method of claim 1, The first movable hinge portion and the second movable hinge portion each have a first hinge bracket and a second hinge bracket, each of which protrudes along a radial direction and extends a predetermined length along an axial direction, to which the main body portion and the folder portion are respectively coupled. A mobile communication terminal having a dual hinge device, characterized in that formed. The method of claim 14, And a fixed hinge support part extending from the at least one of the first hinge bracket and the second hinge bracket to the other side of the second fixed hinge part in an axial direction to rotatably support the second fixed hinge part. A mobile communication terminal having a dual hinge device. The method of claim 1, Dual hinge device, characterized in that the main portion and the folder portion is formed with a hinge receiving portion for receiving the first movable portion and the second movable hinge portion so that the first tooth portion and the second tooth portion is exposed to the outside, respectively. Mobile communication terminal having a. The method of claim 1, And a position fixing part for preventing the first movable hinge portion and the second movable hinge portion from being unintentionally rotated with respect to the first fixed hinge portion to be fixed at an adjusted position. One mobile terminal. The method of claim 17, The position fixing part may include a fixing protrusion protruding from one of the mutual contact surfaces of the first and second axes, the first movable hinge portion, and the second movable hinge portion toward the other, and the fixing portion is fixed to the other of the mutual contact surfaces. A mobile communication terminal having a dual hinge device, characterized in that it comprises a projection receiving portion which is formed to be inserted into a predetermined depth, and a projection spring for applying an elastic force so that the fixing projection can protrude. The method of claim 18, The fixed protrusion is coupled to the first shaft and the second shaft, the projection receiving portion is a mobile communication having a dual hinge device, characterized in that formed in the first movable hinge portion and the second movable hinge portion, respectively. terminal. The method of claim 18, The projection receiving portion, the dual hinge device, characterized in that formed in the position where the inner display portion overlaps the front surface of the main body portion, and the folder portion and the main body portion overlap each other so as to expose the inner display portion to the outside, respectively. Mobile communication terminal having a. The method of claim 18, And a microphone disposed in the lower front area of the main body and a speaker disposed above the internal display, wherein the projection receiving unit rotates the folder unit with respect to the main body during a telephone call using the microphone and the speaker. Mobile communication terminal having a dual hinge device, characterized in that formed in the call position. The method of claim 1, Mobile communication terminal having a dual hinge device, characterized in that the speaker is disposed on both sides of the inner display portion along the longitudinal direction of the folder portion. A first fixed hinge portion disposed parallel to each other and having a first shaft and a second shaft formed integrally with each other; A first movable hinge part coupled to one of the first shaft and the second shaft so as to be relatively rotatable; A second movable hinge part rotatably coupled to another one of the first and second shafts; A second fixed hinge part disposed on an opposite side of the first fixed hinge part with the first movable hinge part and the second movable hinge part interposed therebetween and fixedly coupled to the first fixed hinge part; And a first tooth portion integrally formed at the first movable hinge portion, and a second tooth portion integrally formed at the second movable hinge portion so as to rotate in engagement with the first tooth portion. The method of claim 23, wherein The first movable hinge portion and the second movable hinge portion are formed to be interposed between the first axis and the first movable hinge portion and the mutually contact surfaces of the second shaft and the second movable hinge portion. The dual hinge device further comprises a position fixing for suppressing the unintentional rotation with respect to the branch. The method of claim 24, The position fixing part may include a fixing protrusion protruding from one of the mutual contact surfaces of the first and second axes, the first movable hinge portion, and the second movable hinge portion toward the other, and the fixing portion is fixed to the other of the mutual contact surfaces. Dual hinge device, characterized in that it comprises a projection receiving portion is formed so that the projection can be inserted to a predetermined depth, and a projection spring for applying an elastic force so that the fixing projection can protrude. The method of claim 25, The fixing projections are formed on the first shaft and the second shaft, respectively, wherein the projection receiving portion is a dual hinge device, characterized in that formed in the first movable hinge portion and the second movable hinge portion, respectively. The method of claim 23, wherein And a locking portion for suppressing relative rotation of the first movable hinge portion and the first shaft and the second movable hinge portion and the second shaft. The method of claim 27, The locking part may include a stopper protruding and retractable from one of the second fixed hinge part and the first movable hinge part toward the other one, and the other of the second fixed hinge part and the first movable hinge part. Dual hinge device, characterized in that it comprises a stopper formed to be in contact with the stopper on one, and a stopper driving portion for protruding and withdrawing the stopper. The method of claim 28, The stopper is disposed on the first movable hinge portion, the dual hinge device further comprises a spring for applying an elastic force so that the stopper protrudes from the back of the stopper. The method of claim 29, The stopper driving unit has a cam profile formed to have a predetermined height difference along the protruding direction of the stopper, and a cam unit rotatably disposed around a rotation axis formed along the protruding direction of the stopper, and the stopper of the stopper. Dual hinge device, characterized in that it comprises a follower formed in contact with the camp profile on one side. delete A main body; A folder unit having an inner display unit on an inner surface thereof and arranged in parallel on one side in a thickness direction of the main body unit; A first movable hinge part fixedly coupled to one side of the main body part, a second movable hinge part arranged side by side on one side of the first movable hinge part and fixedly coupled to the folder part, the first movable hinge part and A first fixed hinge portion coupled to the first movable hinge portion and the second movable hinge portion simultaneously with a first shaft and a second shaft coupled to the second movable hinge portion so as to be relatively movable; The main body portion and the folder portion are provided with a second fixed hinge portion disposed on an opposite side of the first fixed hinge portion with the movable hinge portion and the second movable hinge portion interposed therebetween to be fixedly coupled to the first fixed hinge portion. It includes a dual hinge device to be coupled relative rotation, Mobile communication terminal having a dual hinge device, characterized in that the camera coupling portion is formed so that any one of the first fixed hinge portion and the second fixed hinge portion is coupled to the camera. A main body; A folder unit having an inner display unit on an inner surface thereof and arranged in parallel on one side in a thickness direction of the main body unit; A first movable hinge part fixedly coupled to one side of the main body part, a second movable hinge part arranged side by side on one side of the first movable hinge part and fixedly coupled to the folder part, the first movable hinge part and A first fixed hinge portion coupled to the first movable hinge portion and the second movable hinge portion simultaneously with a first shaft and a second shaft coupled to the second movable hinge portion so as to be relatively movable; The main body portion and the folder portion are provided with a second fixed hinge portion disposed on an opposite side of the first fixed hinge portion with the movable hinge portion and the second movable hinge portion interposed therebetween to be fixedly coupled to the first fixed hinge portion. It includes a dual hinge device to be coupled relative rotation, A support lever rotatably disposed between a folding position disposed parallel to the front surface of the body portion and a support position disposed along a thickness direction on the front surface of the body portion to be inclined with respect to an installation surface; Mobile communication terminal having a dual hinge device further comprising.

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