KR101062621B1 - Handheld terminal equipped with a hinge module having a dual rotating shaft - Google Patents

Handheld terminal equipped with a hinge module having a dual rotating shaft Download PDF

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Publication number
KR101062621B1
KR101062621B1 KR20100008376A KR20100008376A KR101062621B1 KR 101062621 B1 KR101062621 B1 KR 101062621B1 KR 20100008376 A KR20100008376 A KR 20100008376A KR 20100008376 A KR20100008376 A KR 20100008376A KR 101062621 B1 KR101062621 B1 KR 101062621B1
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KR
South Korea
Prior art keywords
hinge
rotation
shaft
rotation shaft
main body
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KR20100008376A
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Korean (ko)
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KR20110088735A (en
Inventor
윤영준
Original Assignee
주식회사 케이에이치바텍
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Application filed by 주식회사 케이에이치바텍 filed Critical 주식회사 케이에이치바텍
Priority to KR20100008376A priority Critical patent/KR101062621B1/en
Priority to PCT/KR2010/001661 priority patent/WO2011093552A1/en
Publication of KR20110088735A publication Critical patent/KR20110088735A/en
Application granted granted Critical
Publication of KR101062621B1 publication Critical patent/KR101062621B1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
    • H04M1/022—The hinge comprising two parallel pivoting axes

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Telephone Set Structure (AREA)

Abstract

According to the present invention, the hinge module comprises two rotation shafts, and the two rotation shafts are connected to the main body and the sub body so as to rotate and slide, so that the screen parts of the main body and the sub body are connected to each other without a hinge. It is to provide a portable terminal equipped with a module.
A portable terminal having a hinge module having a dual rotating shaft according to the present invention includes a main body; A hinge module having one end hinged to the main body; A subbody hinged to the other end of the hinge module; The hinge module includes a hinge case disposed between the main body and the sub body; A first rotating shaft hinge-bonding the main body and the hinge case to each other; A second rotating shaft hinge-bonding the subbody and the hinge case to each other; An elastic member connecting the first rotation shaft and the second rotation shaft to each other; It comprises a, wherein the first and second rotation shafts are mounted to slide while rotating relative to the hinge case, respectively.

Description

Portable Terminal with Dual Shaft Hinge Module {Portable Terminal With Dual Shaft Hinge Module}

The present invention relates to a portable terminal having a hinge module having a dual rotation axis, in particular a hinge module having a dual rotation axis consisting of a double rotation center point of the hinge module for hinge-bonding the main body and the sub-body of the portable terminal It relates to a mobile terminal.

Recently, various kinds of display devices have been developed due to rapid technological developments in the display field.

Such display devices are applied to the field of portable terminals, game consoles, and image display devices such as laptops.

Such display apparatuses include a subbody provided with a screen unit for realizing an image based on a video signal, and a main body for supporting the subbody.

Such display devices may be classified into a folding type, a swinging type, and a sliding type according to the driving method of the subbody.

In general, as shown in Patent Registration No. 10-0504138, the foldable display device is rotatably coupled to the sub-body provided with the screen unit in a direction that opens with respect to the main body, so that the user can arbitrarily adjust the screen angle or screen orientation. Doing.

In the related art display device, the sub-body and the main body are formed to have a center of rotation, i.e., the main body and the sub-body face to each other when the sub-body is unfolded to form a round shape to smoothly rotate the sub-body. do.

Meanwhile, users are not satisfied with the conventional display device and want to watch an image on a larger screen.

However, in general, since the screen portion formed of the LCD liquid crystal, etc. is made of a plane that the corner portion is formed at a right angle, it is difficult to install the rounded portion, such as a conventional display device, there is a limit to increase the size of the screen portion.

According to the present invention, the hinge module includes two rotation shafts, and the two rotation shafts are connected to the main body and the sub body so as to rotate and slide, respectively, thereby increasing the size of the screen portion of the sub body, and the main body and the sub sub. It is an object of the present invention to provide a portable terminal having a hinge module having a double rotating shaft that can be connected continuously without disconnection of the main body and the sub-body when the body unfolds in a straight line.

In order to achieve the above object, a portable terminal having a hinge module having a dual rotating shaft of the present invention includes a main body; A hinge module having one end hinged to the main body; A subbody hinged to the other end of the hinge module; The hinge module includes a hinge case disposed between the main body and the sub body; A first rotating shaft hinge-bonding the main body and the hinge case to each other; A second rotating shaft hinge-bonding the subbody and the hinge case to each other; An elastic member connecting the first rotation shaft and the second rotation shaft to each other; It comprises a, wherein the first and second rotation shafts are mounted to slide while rotating relative to the hinge case, respectively.

The hinge case may include: a first slide groove having the first rotation shaft inserted therein and guiding the hinge case to slide in the sub-body direction when the hinge case is rotated; A second slide groove having the second rotation shaft inserted therein and guiding the second rotation shaft to slide in the sub-body direction when the sub-body rotates; It is made, including.

The elastic member is mounted to be rotated while one end is wrapped around the first rotary shaft, the other end is mounted to rotate while surrounding the second rotary shaft, and expands when the first rotary shaft and the second rotary shaft are far apart to expand the first rotary shaft. And elastically support the second rotation shaft in a direction facing each other.

A first cam protrusion protrudes from one end of the hinge case in the main body direction, and the main body is formed along a rotational direction of the hinge case, and is rotated by the hinge case in contact with the first cam protrusion. A first cam portion for moving a hinge case in the sub-body direction; A first stopper formed at both ends of the first cam part in a rotational direction of the hinge case and contacting the first cam protrusion past the first cam part to prevent rotation of the hinge case; Is provided.

The first cam unit, a moving unit disposed in the center; A catching part disposed at an end of the moving part in the direction of the first stopper and protruding in the direction of the center of rotation of the first rotating shaft; A stopper disposed between the locking portion and the first stopper; The linear distance between the moving part and the rotation center of the first rotation shaft is smaller than the linear distance between the stop part and the rotation center of the first rotation shaft, and includes the locking portion and the rotation center of the first rotation shaft. Greater than the distance between.

The second rotating shaft is fixed to the subbody to be rotated together with the subbody, and the second rotating shaft contacts the hinge case to move the second rotating shaft away from the first rotating shaft by the rotation of the subbody. A second cam protrusion is provided.

The hinge case protrudes in an opposite direction of the first slide groove to the inside of the second slide groove, and moves the second rotation shaft in the sub-body direction in contact with the second cam protrusion when the second rotation shaft rotates. A second cam portion to make; A second end formed at both ends of the second cam part in the rotation direction of the second rotation shaft in the second slide groove, and contacting the second cam protrusion passing through the second cam part to prevent rotation of the second rotation shaft; stopper; It further comprises.

The hinge module may be coupled to and fixed to the sub body, and one end of the second rotating shaft may be inserted and fixed to the hinge member; It further comprises, but one side end of the second rotary shaft is formed with a protrusion projecting along the outer circumferential surface to prevent the second rotary shaft from sliding in the circumferential direction of the second rotary shaft with respect to the connecting member.

The main body has a concave first accommodating part into which one end of the hinge case and the first rotation shaft are inserted, and the second body concave to the second end and into which the second end of the hinge case is inserted. The first cam part and the first stopper are formed inside the first accommodating part, and the length of the depth of the first accommodating part and the depth of the second accommodating part is equal to or greater than the length of the hinge case. .

As described above, the portable terminal provided with the hinge module having the dual rotating shaft of the present invention has the following effects.

The first rotating shaft and the second rotating shaft are mounted to slide while being rotated relative to the hinge case, respectively, thereby minimizing rounding of corners of the subbody and the main body to maximize the size of the screen unit, and to date the subbody. When expanded to the main body and the sub-body has an effect that is connected continuously without interruption.

In addition, the first rotation shaft and the second rotation shaft are respectively mounted to be rotated relative to the hinge case, the sub-body can be deployed 180 degrees with respect to the main body, the hinge module is the sub-body and the It does not protrude to the outside of the main body has the effect of simplifying the appearance.

The hinge case is provided with a first slide groove for guiding the first rotation shaft to rotate and slide, and a second slide groove for guiding the second rotation shaft to rotate and slide, so that the first rotation shaft and the second rotation shaft are connected to each other. By simplifying the connection structure there is an effect of reducing the overall size of the hinge module and easy assembly.

One end of the elastic member is rotatably mounted to surround the first rotation shaft, and the other end is mounted to rotate to surround the second rotation shaft, so that one end and the other end of the elastic member is rotated when the first rotation shaft and the second rotation shaft are rotated. While rotating along the outer circumferential surfaces of the first rotating shaft and the second rotating shaft, the friction is reduced and the structure is simplified to facilitate the manufacture.

The first cam portion is in contact with the first cam projection by moving the hinge case in the direction of the sub-body by the rotation of the hinge case, by increasing the interval between the hinge case and the main body when the sub-body rotates the main body And even without rounding the corners of the sub-body can be smoothly rotated without the sub-body is caught in the corner of the main body.

The linear distance between the moving part and the rotation center of the first rotation shaft is smaller than the linear distance between the stop part and the rotation center of the first rotation shaft, and is formed larger than the distance between the locking part and the rotation center of the first rotation shaft. As a result, when one end of the hinge case rotates in contact with the moving part, the distance between the hinge case and the main body may be selectively changed.

The locking portion is disposed at the end of the moving portion in the direction of the first stopper, and protrudes in the direction of the center of rotation of the first rotation shaft, so that the user can sense a click feeling when the hinge case rotates to cross the locking portion. In addition, there is an effect of preventing the hinge case from easily flowing arbitrarily.

The second cam protrusion is moved in a direction away from the first rotation axis by the rotation of the sub-body in contact with the hinge case, the interval between the sub-body and the main body during the rotation of the sub-body By widening, even without rounding the corners of the main body and the sub-body, the sub-body can be smoothly rotated without being caught by the edge of the main body.

The second cam portion protrudes from the inner side of the second slide groove in the opposite direction of the first slide groove to move the second rotation shaft in the sub-body direction when the second rotation shaft rotates, so that the second cam protrusion By smoothing the rotation of the sub-body to improve the feeling of rotation, there is an effect to prevent the second cam doll to rotate arbitrarily.

The coupling protrusion protrudes from one end of the second rotation shaft inserted into and fixed to the connection member, thereby preventing the second rotation shaft from sliding in the circumferential direction with respect to the connection member fixedly coupled to the subbody. The body and the second rotating shaft is rotated together, and there is an effect of convenient assembly by being fixed to each other without a separate coupling process.

The length of the sum of the depth of the first accommodating part and the depth of the second accommodating part is equal to or larger than the length of the hinge case, so that the hinge case is the first accommodating body when the main body and the sub body are unfolded. It is inserted between the portion and the second receiving portion has an effect of preventing the gap between the main body and the sub-body.

1 is a perspective view of a portable terminal having a hinge module having a dual rotation shaft according to an embodiment of the present invention,
2 is a partially exploded perspective view of a portable terminal having a hinge module having a dual rotating shaft according to an embodiment of the present invention;
3 is an exploded perspective view of a main part of a portable terminal having a hinge module having a dual rotating shaft according to an embodiment of the present invention;
4 is an exploded perspective view of an essential part of a portable terminal having a hinge module having a dual rotating shaft according to an embodiment of the present invention;
5 to 9 is an operation process diagram of a portable terminal having a hinge module having a dual rotating shaft according to an embodiment of the present invention,
10 is a perspective view of a mobile terminal with a hinge module having a dual rotating shaft according to an embodiment of the present invention unfolded,

1 is a perspective view of a portable terminal having a hinge module having a dual rotation axis according to an embodiment of the present invention, Figure 2 is a partially exploded perspective view of a portable terminal having a hinge module having a dual rotation axis according to an embodiment of the present invention, 3 is an exploded perspective view of a main part of a portable terminal having a hinge module having a dual rotating shaft according to an embodiment of the present invention, and FIG. 4 is a view of a portable terminal having a hinge module having a dual rotating shaft according to an embodiment of the present invention. 5 to 9 are exploded perspective views of main parts, FIGS. 5 to 9 are operation diagrams of a portable terminal having a hinge module having a dual rotating shaft according to an embodiment of the present invention, and FIG. 10 is a double rotating shaft according to an embodiment of the present invention. A perspective view of a mobile terminal with a hinge module in an unfolded state.

As shown in FIGS. 1 to 4, the portable terminal including the hinge module having the dual rotating shaft of the present invention includes a main body 100, a hinge module 200, and a subbody 300.

The main body 100 has a rectangular shape and corresponds to a main body of a general portable terminal, and a main board or a CPU is mounted therein, and an upper surface of the main body 100 includes a keyboard or a keypad and an LCD liquid crystal display.

Of course, the screen unit may be made of an LCD liquid crystal having a touch pad function.

The main body 100 is placed on a desk, table, table, or the like or supported by a hand so that the screen is easily visible to the user.

In addition, a first accommodating part 110 into which one end of the hinge module 200 is inserted is formed at the other end of the main body 100 at the rear.

The first accommodating part 110 is a groove formed concave forward in an arc shape, and is spaced apart from each other in two directions.

Of course, the first accommodating part 110 may be made of one in the middle of the main body 100, or may be made of two or more.

The first receiving unit 110 is inserted into the first rotation shaft 220 and one end of the hinge case 210 of the hinge module 200 to be rotated as described below.

In addition, the shielding plate 140 is mounted on the outer side of the first accommodating part 110.

The shielding plate 140 is formed in a rectangular shape and is mounted on the side of the first accommodating part 110 to seal the side of the first accommodating part 110 and the hinge module 200 as described below. One side end of the first rotating shaft 220 is inserted.

In addition, the first cam part 120 and the first stopper 130 are provided inside the first accommodating part 110.

The first cam portion 120 is formed in an arc shape along the rotational direction of the hinge case 210 as described below, by contacting one end of the hinge case 210 by the rotation of the hinge case 210 The hinge case 210 is moved in the direction of the subbody 300.

In detail, the first cam part 120 includes a moving part 121, a locking part 122, and a stop part 123.

The moving part 121 is formed long in an arc shape along the rotation direction of the hinge case 210 inside the first accommodating part 110 and is disposed in the center of the first cam part 120.

The center angle of the moving part 121 is about 90 degrees, and selectively contacts the hinge case 210 according to the rotation of the hinge case 210.

The locking portion 122 is formed at both ends of the moving part 121 in the rotational direction of the hinge case 210, that is, in the direction of the first stopper 130 as described below, and the first locking portion 122a. ) And the second locking portion 122b.

As shown in FIG. 5, in the circumferential direction of the moving part 121, the first catching part 122a is disposed counterclockwise, that is, the lower part, and the second catching part 122b is clockwise, that is, the upper part. Is placed on.

The first catching part 122a and the second catching part 122b are formed at both ends of the moving part 121 in the direction of the center of rotation of the first rotating shaft 220, that is, the main body 100 and the first catching part. It protrudes in the direction of the hinge coupling point of the first rotating shaft 220.

In addition, the first catching portion 122a and the second catching portion 122b are formed to protrude in a curved manner.

The first catching portion 122a and the second catching portion 122b selectively contact the hinge case 210 when the hinge case 210 is rotated to contact the hinge case 210 with the subbody 300. Direction).

The stop part 123 is disposed between the locking part 122 and the first stopper 130, and specifically, includes the first stop part 123a and the second stop part 123b.

The first stop portion 123a is disposed in the direction of the first stopper 130 adjacent to the first catching portion 122a, and the second stop portion 123b is adjacent to the second catching portion 122b. It is disposed in the direction of the first stopper 130.

That is, in the circumferential direction of the moving part 121, the first stop part 123a is disposed in the counterclockwise direction, and the second stop part 123b is disposed in the clockwise direction.

In addition, the first stop part 123a and the second stop part 123b are opposite to the rotation center of the first rotation shaft 220, that is, the hinge of the main body 100 and the first rotation shaft 220. It is formed concave in the opposite direction of the coupling point.

The width of the first stop part 123a in the rotation direction of the hinge case 210 is larger than the width of the second stop part 123b.

In addition, the linear distance between the moving part 121 and the rotation center of the first rotation shaft 220 is smaller than the linear distance between the stop part 123 and the rotation center of the first rotation shaft 220. 122) and the distance between the center of rotation of the first rotary shaft 220.

That is, the moving part 121 is farther from the hinge coupling point of the main body 100 and the first rotational shaft 220 than the locking part 122 and is disposed closer than the stop part 123.

The first stopper 130 is formed at both ends of the first cam part 120 in the rotational direction of the hinge case 210, and includes a first support part 130a and a first support part 130b.

The first support part 130a is adjacent to the first stop part 123a, and the first support part 130b is disposed to be adjacent to the second stop part 123b.

In addition, the first support portion 130a extends in the vertical direction, that is, the vertical direction of the main body 100, and the first support portion 130b extends in the horizontal direction, that is, the front and rear direction of the main body 100. Is formed.

The first support portion 130a and the first support portion 130b are in contact with the hinge case 210 passing through the first cam portion 120 as the hinge case 210 rotates as described below. The rotation of the case 210 is prevented.

As described above, the first cam part 120 contacts the first cam protrusion 212 to move the hinge case 210 in the direction of the subbody 300 by the rotation of the hinge case 210. The sub-body 300 does not need to round the corners of the main body 100 and the sub-body 300 by widening the interval between the hinge case 210 and the main body 100 when the body 300 rotates. The main body 100 can be smoothly rotated without being caught in the corner portion.

In addition, the linear distance between the moving part 121 and the rotation center of the first rotation shaft 220 is smaller than the linear distance between the stop part 123 and the rotation center of the first rotation shaft 220. 122 and greater than the distance between the center of rotation of the first rotary shaft 220, when the one end of the hinge case 210 rotates in contact with the moving part 121, the hinge case 210 and the main The spacing between the bodies 100 may be selectively changed.

In addition, the locking part 122 is disposed at the end of the moving part 121 in the direction of the first stopper 130 and protrudes in the direction of the rotation center of the first rotating shaft 220, thereby the hinge case 210. ) Rotates and the user can sense the click feeling when riding over the engaging portion 122, and there is an effect of preventing the hinge case 210 from easily flowing arbitrarily.

Meanwhile, the hinge module 200 has one end inserted into the other end of the rear of the main body 100 and the other end inserted into the other end of the rear of the subbody 300.

The sub-body 300 is a portion corresponding to the display of a general portable terminal and is formed in a quadrangular shape.

In addition, the hinge module 200 is composed of two spaced apart symmetrically in the left and right direction, and connects the main body 100 and the sub-body 300 to rotate with each other.

Of course, in some cases, the hinge module 200 may be made of one or two or more.

Specifically, the hinge module 200 includes a hinge case 210, a first rotating shaft 220, a second rotating shaft 230, an elastic member 240, and a connecting member 250.

The hinge case 210 is disposed between the main body 100 and the sub body 300 in a rectangular shape.

In addition, a first cam protrusion 212 protrudes from one end of the hinge case 210 toward the main body 100.

As shown in FIG. 5, the first cam protrusion 212 protrudes in a downward direction in which the main body 100 is disposed, is formed to be inclined downwardly backward, and an end is formed in a rounded shape.

The first cam protrusion 212 is in contact with the end of the first cam portion 120, and rotates along the first cam portion 120 when the hinge case 210 is rotated.

In addition, a first slide groove 213 and a second slide groove 214 are formed in the hinge case 210.

The first slide groove 213 is disposed in one direction of the hinge case 210, that is, in the direction of the first cam protrusion 212, and the first rotation shaft 220 is inserted into the first slide groove 213.

In addition, the first slide groove 213 has a rectangular shape and is formed long in a moving direction of the first rotation shaft 220, that is, in an up and down direction, and has a width equal to or larger than the diameter of the first rotation shaft 220.

The first slide groove 213 has an inner surface in contact with an outer circumferential surface of the first rotating shaft 220 to slide the hinge case 210 in the direction of the subbody 300 when the hinge case 210 is rotated. Guide.

The second slide groove 214 is disposed in the other end direction of the hinge case 210 to be spaced apart from the first slide groove 213, and the subbody 300 and the hinge case (to be described later) The second rotary shaft 230 hinged to each other 210 is inserted.

In addition, the second slide groove 214 has a quadrangular shape and is formed to be elongated in a moving direction of the second rotation shaft 230, that is, in an up and down direction, and has a width equal to or larger than the diameter of the second rotation shaft 230.

The second slide groove 214 has an inner surface in contact with an outer circumferential surface of the second rotation shaft 230 and slides the second rotation shaft 230 in the direction of the subbody 300 when the subbody 300 is rotated. Guide it.

As such, the hinge case 210 includes a first slide groove 213 for guiding the first rotation shaft 220 to rotate and slide, and a second slide groove for guiding the second rotation shaft 230 to rotate and slide. 214 is provided to reduce the overall size of the hinge module 200 and facilitate assembly by simplifying the connection structure between the first rotation shaft 220 and the second rotation shaft 230.

In addition, a second cam portion 215 and a second stopper 216 are formed inside the second slide groove 214.

The second cam portion 215 is formed in an arc shape, is formed on one surface of the second slide groove 214 in the direction of the first slide groove 213, the opposite of the first slide groove 213 Direction, that is, protrudes in the direction of the second rotation shaft 230.

In addition, the second cam portion 215 is composed of two spaced apart in the left and right directions of the second slide groove 214.

As described later, the second cam part 215 contacts the second cam protrusion 231 of the second rotation shaft 230 to move the second rotation shaft 230 in the direction of the subbody 300.

As described above, the second cam part 215 protrudes from the inner side of the second slide groove 214 in the opposite direction of the first slide groove 213 so that the second rotating shaft 230 rotates when the second rotating shaft 230 is rotated. By moving the 230 in the direction of the subbody 300, the rotation of the second cam protrusion 231 is smoothed to improve the feeling of rotation of the subbody 300, and the second camdoll is prevented from rotating arbitrarily. It is effective.

The second stopper 216 is formed at both ends of the second cam portion 215 in the rotation direction of the second rotation shaft 230, and includes a third support portion 216a and a fourth support portion 216b.

The third support part 216a and the fourth support part 216b are formed in a quadrangular shape, and protrude upward from both ends of the second cam part 215.

In addition, the third support part 216a and the fourth support part 216b are respectively formed in two and one each is disposed on the left and right sides of the second slide groove 214.

The third support part 216a is disposed in front of the second cam part 215, and the fourth support part 216b is disposed behind the second cam part 215.

The second stopper 216 contacts the second cam protrusion 231 passing through the second cam part 215 to prevent rotation of the second rotation shaft 230.

In addition, the hinge case 210 is separated into a first case 210a and a second case 210b.

The first case 210a and the second case 210b are disposed in front and rear, respectively, and fixed to each other by screws.

In addition, the first case 210a is provided with a third support portion 216a and a second cam portion 215 of the second stopper 216, and the fourth case 210b has a fourth support portion of the second stopper 216. A support 216b is provided.

The first slide groove 213, the second slide groove 214, and the first cam protrusion 212 are completely formed by the combination of the first case 210a and the second case 210b. .

In this way, the hinge case 210 is separated into the first case 210a and the second case 210b, thereby facilitating the detachment of internal components, thereby facilitating the assembly of the hinge module 200. There is.

The first rotating shaft 220 is formed in a cylindrical shape long in the left and right direction, is inserted into the first receiving portion 110.

In addition, the first rotation shaft 220 is disposed to be inserted through the first slide groove 213 and is mounted so as to linearly slide along the first slide groove 213 while independently rotating with respect to the hinge case 210. do.

In addition, both ends of the first rotation shaft 220 are mounted on the inner surface of the main body 100 that passes through the first slide groove 213 to form the first accommodating part 110.

In addition, the first rotation shaft 220 protrudes outward from the outer circumferential surface of one side end to prevent the first rotation shaft 220 from flowing in the left and right directions.

The second rotation shaft 230 is formed to have a cylindrical shape extending in the left and right direction, and is inserted into the second accommodating portion 310 of the subbody 300 as described below.

In addition, the second rotating shaft 230 is disposed to be inserted through the second slide groove 214 and mounted to be linearly slid along the second slide groove 214 while independently rotating with respect to the hinge case 210. do.

In addition, a second cam protrusion 231 protrudes from the second rotation shaft 230.

The second cam protrusion 231 has an elliptical shape and is formed to protrude in the direction of the second cam part 215, and is spaced apart in left and right directions.

The second cam protrusion 231 is in contact with the second cam portion 215 of the hinge case 210, the second rotation shaft 230 by the rotation of the sub-body 300, the first rotation shaft 220 Move away from).

In addition, the coupling protrusion 232 is formed at one end of the second rotation shaft 230 along an outer circumferential surface thereof.

The coupling protrusion 232 is formed at the left end of the second rotary shaft 230, as shown in Figure 3, the end is sharp, it is formed to be bent in the circumferential direction of the second rotary shaft 230.

In addition, the coupling protrusion 232 is composed of a plurality of spaced apart along the outer circumferential surface of the second rotary shaft 230.

The coupling protrusion 232 is the second rotation shaft 230 when the one end of the second rotary shaft 230 is inserted into the connection member 250 as described later the said relative to the connection member 250 Slipping in the circumferential direction of the second rotary shaft 230 is prevented.

The elastic member 240 is formed of a leaf spring, one end, that is, the upper end is mounted to rotate around the first rotation shaft 220, the other end, that is, the lower end is mounted to rotate around the second rotation shaft 230 The main body 100 and the sub body 300 are connected to each other.

In addition, between one end and the other end of the elastic member 240 is bent to protrude forward.

The elastic member 240 expands when the first rotary shaft 220 and the second rotary shaft 230 are far apart to face the first rotary shaft 220 and the second rotary shaft 230. Elastic support.

As described above, the elastic member 240 is rotatably mounted to surround one end of the first rotation shaft 220, and the other end is rotatably mounted to surround the second rotation shaft 230. One end and the other end of the elastic member 240 is rotated along the outer circumferential surface of the first rotary shaft 220 and the second rotary shaft 230 during the rotation of the second rotary shaft 230 to reduce the friction, to simplify the structure There is an effect to facilitate.

In addition, the elastic member 240 is made of a leaf spring can exhibit a sufficient force even when applied to a product with high strength and high weight.

The connection member 250 is inserted into and fixed to the side of the sub-body 300 in a rectangular shape as will be described later.

In addition, the connection member 250 is coupled to the sub-body 300 to rotate together with the rotation of the sub-body 300, one side end of the second rotating shaft 230 on the side of the sub-body (300) An insertion groove to be inserted and fixed is formed.

One end of the second rotary shaft 230 having the coupling protrusion 232 is inserted into the insertion groove, and an inner circumferential surface of the insertion groove and the coupling protrusion 232 are in close contact with each other to form the second rotary shaft 230. It is fixed to the connection member 250.

As such, the coupling protrusion 232 is formed to protrude at one end of the second rotation shaft 230 inserted into and fixed to the connection member 250, and thus the connection member 250 coupled to and fixed to the subbody 300. The second rotation shaft 230 is prevented from sliding in the circumferential direction with respect to the sub-body 300 and the second rotation shaft 230 to be rotated together, and to be fixed to each other without a separate coupling process There is an effect to facilitate the assembly.

The subbody 300 is hinged to the other end of the hinge module 200, and corresponds to a display unit of a general portable terminal.

The bottom of the sub-body 300 is provided with a screen portion made of LCD liquid crystal.

Of course, the screen unit may be made of an LCD liquid crystal having a touch pad function.

In addition, the sub body 300 is formed with a second accommodating portion 310 into which the other end of the hinge module 200 is inserted.

The second accommodating part 310 is formed to be concave in a quadrangular shape and is spaced apart from each other in two directions.

In addition, the second accommodating part 310 is opened in the vertical direction.

The length of the sum of the depth of the first accommodating part 110 and the depth of the second accommodating part 310 is equal to the length of the hinge case 210.

That is, the sum of the longitudinal length of the first accommodating part 110 and the longitudinal length of the second accommodating part 310 is equal to the vertical length of the hinge case 210.

In some cases, the sum of the depth of the first accommodating part 110 and the depth of the second accommodating part 310 may be greater than the length of the hinge case 210.

As such, the length of the sum of the depth of the first accommodating part 110 and the depth of the second accommodating part 310 is the same as or greater than the length of the hinge case 210, whereby the main body 100 and the When the subbody 300 is unfolded into the date, the hinge case 210 is inserted between the first accommodating part 110 and the second accommodating part 310 and thus the main body 100 and the subbody ( It is effective to prevent the gap between 300).

It describes the operation process of the portable terminal with a hinge module having a dual rotating shaft of the present invention made of the above configuration.

As shown in FIG. 5, when the subbody 300 is disposed above the main body 100, one end of the hinge case 210 is disposed downward and the other end is disposed upward.

The first cam protrusion 212 has a lower end in contact with the first stop portion 123a and a rear end thereof in contact with the first support portion 130a of the first stopper 130. Fix it so as not to rotate arbitrarily.

In addition, the first rotating shaft 220 is disposed above the first slide groove 213, and the second rotating shaft 230 is disposed below the second slide groove 214.

The second cam protrusion 231 is fixed not to rotate in contact with the second stopper 216 disposed in the counterclockwise direction of the second cam part 215, that is, the fourth support part 216b.

As shown in FIG. 6, when the subbody 300 is manually rotated about 45 degrees clockwise, the second rotation shaft 230 rotates in a clockwise direction together with the subbody 300. The second cam protrusion 231 rotates along the second cam portion 215 such that the maximum curved portion of the second cam protrusion 231 is in contact with the maximum curved portion of the second cam portion 215.

The second cam protrusion 231 rotates along the second cam portion 215 to move the second rotation shaft 230 away from the second rotation shaft 230, that is, in an upward direction. The rotating shaft 230 moves the subbody 300 away from the main body 100 while slidingly moving upward along the second slide groove 214.

At this time, the maximum curved portion of the second cam protrusion 231 is the longest linear distance between the second cam protrusion 231 at the center of rotation of the second rotary shaft 230, the second cam portion 215 The maximum curved portion is a portion where the linear distance between the center of rotation of the second rotary shaft 230 and the second cam portion 215 is the shortest.

The elastic member 240 expands as the second rotation shaft 230 moves away from the first rotation shaft 220, that is, the direction in which the second rotation shaft 230 and the first rotation shaft 220 face each other. Elastic support in the direction of approach.

Thereafter, as shown in FIG. 7, when the second cam protrusion 231 passes the maximum curved portion of the second cam portion 215, the second cam protrusion 231 is applied to the elastic restoring force of the elastic member 240. By the second cam portion 215 is automatically rotated further clockwise about 45 degrees.

At this time, as the second cam protrusion 231 rotates, the second rotation shaft 230 and the subbody 300 slide along the second slide groove 214 toward the first rotation shaft 220. The elastic member 240 is compressed again.

The second cam protrusion 231 stops in contact with the third support part 216a.

Subsequently, as shown in FIG. 8, when the second cam protrusion 231 further rotates the subbody 300 in the clockwise direction while being in contact with the third support portion 216a, the hinge case 210 is rotated. ) Rotates about 45 degrees clockwise about the first rotation shaft (220).

At this time, the first cam protrusion 212 moves from the first stop portion 123a to the moving portion 121 via the first catching portion 122a, and the hinge case 210 is moved to the first portion. The sub-body 300 is moved away from the main body 100 by moving in the direction of the sub-body 300 based on the rotation axis 220.

As the hinge case 210 moves, the elastic member 240 expands while the second rotation shaft 230 and the first rotation shaft 220 move away from each other, thereby expanding the second rotation shaft 230 and the first rotation shaft. The rotary shafts 220 are elastically supported in a direction approaching each other.

Thereafter, as shown in FIGS. 9 and 10, when the subbody 300 is further rotated clockwise by about 45 degrees, the bottom surface of the subbody 300 is flush with the top surface of the main body 100. Straighten to date.

When the upper surface of the first cam protrusion 212 is in contact with the second stopper 216, the subbody 300 stops, and the end of the first cam protrusion 212 is the second stop portion 123b. The hinge case 210 is fixed so as not to rotate arbitrarily.

In addition, the hinge case 210 is slidably moved toward the main body 100 around the first rotation shaft 220 by the elastic restoring force of the elastic member 240 so that the rear surface of the subbody 300 is Make contact with the back of the main body (100).

Conventionally, hinge coupling points of the main body 100 and the sub body 300 are fixed, and when the sub body 300 rotates, the edge portion disposed at the rear of the lower surface of the sub body 300 is the main body ( The rotation of the upper surface of the sub body 300 is not smooth, and there is a problem in that the size of the screen that can be mounted on the lower surface of the subbody 300 is reduced.

In addition, in the related art, when the upper surface of the main body 100 and the lower surface of the subbody 300 are unfolded due to rounded corners, a gap occurs between the main body 100 and the subbody 300. There was.

However, in the present invention, the sub-body 300 and the main body 100 are mounted by sliding the first rotation shaft 220 and the second rotation shaft 230 while being rotated relative to the hinge case 210, respectively. Maximize the size of the screen unit mounted on the sub-body 300 by minimizing the round at the corner of the main body 100 and the sub-body when the sub-body 300 is unfolded horizontally with the main body 100 There is an effect that the body 300 is continuously connected smoothly without breaks.

In addition, the mobile terminal equipped with a hinge module having a dual rotating shaft of the present invention, when the screen portion is provided on the upper surface of the main body 100 as well as the lower surface of the sub-body 300, the sub-body 300 and the main body When the 100 is unfolded, each screen unit is connected in series to watch a video or the like on a larger screen.

And the present invention by mounting the first rotary shaft 220 and the second rotary shaft 230 so as to slide while rotating relative to the hinge case 210, respectively, the sub-body 300 to the main body 100 180 degrees with respect to the hinge module 200, the sub-body 300 and the main body 100, so as not to protrude to the outside there is an effect of simplifying the appearance.

The portable terminal having a hinge module having a dual rotating shaft according to the present invention is not limited to the above-described embodiment, and can be modified in various ways within the scope of the technical idea of the present invention.

100: main body, 110: first accommodating part, 120: first cam part, 121: moving part, 122: locking part, 123: stop part, 130: first stopper, 200: hinge module, 210: hinge case, 212 : 1st cam projection, 213: 1st slide groove, 214: 2nd slide groove, 215: 2nd cam surface, 216: 2nd stopper, 220: 1st rotation shaft, 230: 2nd rotation shaft, 231: 2nd cam projection 240: elastic member, 250: connecting member, 300: subbody, 310: second accommodating part,

Claims (9)

Main body;
A hinge module having one end hinged to the main body;
A subbody hinged to the other end of the hinge module; Including but not limited to,
The hinge module,
A hinge case disposed between the main body and the sub body;
A first rotating shaft hinge-bonding the main body and the hinge case to each other;
A second rotating shaft hinge-bonding the subbody and the hinge case to each other;
An elastic member connecting the first rotation shaft and the second rotation shaft to each other; , ≪ / RTI >
The first rotary shaft and the second rotary shaft is a mobile terminal having a hinge module having a dual rotary shaft, characterized in that mounted to slide while rotating relative to the hinge case, respectively. The method of claim 1,
The hinge case,
A first slide groove having the first rotating shaft inserted therein and guiding the hinge case to slide in the sub-body direction when the hinge case is rotated;
A second slide groove having the second rotation shaft inserted therein and guiding the second rotation shaft to slide in the sub-body direction when the sub-body rotates; Portable terminal provided with a hinge module having a dual rotating shaft, characterized in that made. The method of claim 1,
The elastic member is mounted to be rotated while one end is wrapped around the first rotary shaft, the other end is mounted to be rotated surrounding the second rotary shaft, and expands when the first rotary shaft and the second rotary shaft are far apart to expand the first rotary shaft. And a hinge module having a double rotation shaft, characterized in that it is elastically supported in a direction facing each other and the second rotation shaft. The method according to any one of claims 1 to 3,
One end of the hinge case has a first cam protrusion protruding in the main body direction,
The main body,
A first cam portion formed along a rotational direction of the hinge case, the first cam portion being in contact with the first cam protrusion to move the hinge case in the sub-body direction by rotation of the hinge case;
A first stopper formed at both ends of the first cam part in a rotational direction of the hinge case and contacting the first cam protrusion past the first cam part to prevent rotation of the hinge case; Portable terminal provided with a hinge module having a dual rotating shaft, characterized in that provided. The method of claim 4, wherein
The first cam unit,
A moving unit disposed in the center;
A catching part disposed at an end of the moving part in the direction of the first stopper and protruding in the direction of the center of rotation of the first rotating shaft;
A stopper disposed between the locking portion and the first stopper; Including but not limited to,
The linear distance between the moving part and the rotation center of the first rotary shaft is smaller than the linear distance between the stop and the rotation center of the first rotary shaft, and larger than the distance between the locking part and the rotation center of the first rotary shaft. Portable terminal equipped with a hinge module having a dual rotating shaft. The method of claim 2,
The second rotation shaft is fixed to the subbody to be rotated together with the subbody,
The second rotary shaft is provided with a hinge module having a double rotary shaft, the second cam protrusion is provided in contact with the hinge case to move the second rotary shaft in a direction away from the first rotary shaft by the rotation of the sub-body. Handheld terminal. The method according to claim 6,
The hinge case,
A second cam portion protruding in the opposite direction of the first slide groove to the inner side of the second slide groove and moving the second rotation shaft in the sub-body direction in contact with the second cam protrusion when the second rotation shaft is rotated; ;
A second end formed at both ends of the second cam part in the rotation direction of the second rotation shaft in the second slide groove, and contacting the second cam protrusion passing through the second cam part to prevent rotation of the second rotation shaft; stopper; The mobile terminal is provided with a hinge module having a dual rotary shaft, characterized in that further comprises. The method according to claim 6,
The hinge module,
A coupling member fixed to the sub body and having one end of the second rotary shaft inserted and fixed thereto; It is made, including more
A hinge module having a dual rotation shaft, characterized in that a coupling protrusion protrudes along an outer circumferential surface of one end of the second rotation shaft to prevent the second rotation shaft from sliding in the circumferential direction of the second rotation shaft with respect to the connection member. It is equipped with a mobile terminal. The method of claim 4, wherein
The main body has a concave first receiving portion into which one end of the hinge case and the first rotating shaft are inserted,
The sub body has a second accommodating portion in which the other end of the hinge case and the second rotation shaft are inserted and formed concave,
The first cam part and the first stopper are provided inside the first accommodating part,
The length of the sum of the depth of the first accommodating portion and the depth of the second accommodating portion is a portable terminal having a hinge module having a double rotation axis, characterized in that the same or greater than the length of the hinge case.
KR20100008376A 2010-01-29 2010-01-29 Handheld terminal equipped with a hinge module having a dual rotating shaft KR101062621B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR20100008376A KR101062621B1 (en) 2010-01-29 2010-01-29 Handheld terminal equipped with a hinge module having a dual rotating shaft
PCT/KR2010/001661 WO2011093552A1 (en) 2010-01-29 2010-03-18 Portable terminal equipped with hinge module having double rotary shafts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20100008376A KR101062621B1 (en) 2010-01-29 2010-01-29 Handheld terminal equipped with a hinge module having a dual rotating shaft

Publications (2)

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KR20110088735A KR20110088735A (en) 2011-08-04
KR101062621B1 true KR101062621B1 (en) 2011-09-07

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WO (1) WO2011093552A1 (en)

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JP6197327B2 (en) 2013-03-27 2017-09-20 富士通株式会社 Electronics
US9563236B2 (en) * 2014-07-11 2017-02-07 Intel Corporation Adjustable tension wrap end hinge
CN105306643A (en) * 2015-11-30 2016-02-03 天津德铃通信部品有限公司 Twin rotary shaft hinge structure and electronic device
US20220417351A1 (en) * 2019-07-04 2022-12-29 Lg Electronics Inc. Mobile terminal
KR102267895B1 (en) * 2019-09-05 2021-06-23 엘지전자 주식회사 Mobile terminals and auxiliary devices coupled thereto

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KR100664233B1 (en) 2005-09-30 2007-01-04 엘지전자 주식회사 360 degree rotation hinge apparatus and portable electronic equipment
JP2007251512A (en) 2006-03-15 2007-09-27 Sugatsune Ind Co Ltd Two-axis hinge device and mobile equipment
KR100909713B1 (en) 2009-02-16 2009-07-29 (주) 프렉코 Hinge device for mobile phone

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KR20050066092A (en) * 2003-12-26 2005-06-30 주식회사 팬택 Double hinge structure of mobile communication terminal
KR101360209B1 (en) * 2007-06-11 2014-02-11 엘지전자 주식회사 Mobile terminal

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Publication number Priority date Publication date Assignee Title
KR100664233B1 (en) 2005-09-30 2007-01-04 엘지전자 주식회사 360 degree rotation hinge apparatus and portable electronic equipment
JP2007251512A (en) 2006-03-15 2007-09-27 Sugatsune Ind Co Ltd Two-axis hinge device and mobile equipment
KR100909713B1 (en) 2009-02-16 2009-07-29 (주) 프렉코 Hinge device for mobile phone

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WO2011093552A1 (en) 2011-08-04

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