WO2013118924A1

WO2013118924A1 - Free-stop hinge module of folder type portable terminal

Info

Publication number: WO2013118924A1
Application number: PCT/KR2012/000836
Authority: WO
Inventors: 금기현; 김성수; 임지형; 고현탁
Original assignee: (주)케이에이치바텍
Priority date: 2012-02-06
Filing date: 2012-02-06
Publication date: 2013-08-15

Abstract

The present invention is a free-stop hinge module of a folder type portable terminal, and relates to a free-stop hinge module of a folder type portable terminal, capable of fixing a sub-body of the portable terminal at the angle desired by a user. The free-stop hinge module of a folder type portable terminal according to the present invention comprises: a first housing fixed at one end of the main body of the portable terminal; a second housing fixed at one end of the sub body of the portable terminal rotating relatively to the main body; a first link, one end of which is hinged to one end of the first housing by a first rotary shaft and the other end of which is slidably coupled to one end of the second housing by a first slide shaft; a second link, one end of which is hinged to one end of the second housing by a second rotary shaft and the other end of which is slidably coupled to one end of the first housing by a second slide shaft; a stopper rod, one end of which is brought into contact with one end of the first link or one end of the second link; and a spring arranged at the other end of the stopper rod so as to elastically support the stopper rod.

Description

Free Stop Hinge Modules for Folder Terminals

The present invention relates to a free stop hinge module of a portable terminal for a folder, wherein the sub stop of the portable terminal can be fixed at a desired angle by a user.

Portable terminals have been widely used as one of personal communication means capable of carrying voice calls and wireless communication on the go.

In order to satisfy various needs of the user, the portable terminal has been developed to implement various functions such as voice call, wireless communication, multimedia playback such as music and video, and global positioning system (GPS).

In order to implement such various functions, it is advantageous for the mobile terminal to have a large display screen.

Figure 1 (a) is a hinge module of a conventional portable terminal for a folder, Figure 1 (b) is a view of the first hinge unit and the second hinge unit in the state shown in Figure 1 (a), Figure 1 (c) In FIG. 1B, the first hinge unit and the second hinge unit are further open.

As shown in FIG. 1A, a hinge module of a conventional portable terminal for a folder includes a first hinge unit 110a, a second hinge unit 110b, a shaft 160, and a head part 200.

The main body of the portable terminal is mounted to the first hinge unit 110a, and the subbody of the portable terminal is mounted to the second hinge unit 110b.

The first hinge unit 110a and the second hinge unit 110b are hinged to each other by the shaft 160.

The first guide unit 170a is formed in the first hinge unit 110a.

A first guide groove 171a is formed in the first guide portion 170a.

The second guide unit 170b is formed in the second hinge unit 110b.

A second guide groove 171b is formed in the second guide portion 170b.

The head part 200 has a first sliding coupler 221a and a second sliding coupler 221b formed at a lower end thereof, and are slidably inserted into the first guide groove 171a and the second guide groove 171b, respectively.

As shown in FIG. 1 (b), when the first hinge unit 110a and the second hinge unit 110b are opened to each other, the first sliding coupler 221a and the second sliding coupler 221b are formed of the first sliding unit 221a and the second sliding coupler 221b. The first guide groove 171a and the second guide groove 171b are disposed at positions close to the shaft 160.

As shown in FIG. 1C, when the first hinge unit 110a and the second hinge unit 110b are further opened, the first sliding coupler 221a and the second sliding coupler 221b are formed in the first sliding unit 221a and the second sliding coupler 221b. The first guide groove 171a and the second guide groove 171b are disposed at a position far from the shaft 160.

However, in the hinge module of the conventional portable terminal for a folder as described above, when the first hinge unit 110a and the second hinge unit 110b are opened to each other to open the portable terminal, the head unit 200 protrudes. There is a problem in that the thickness of the thickened and limited opening angle reduces the utilization area of the open surface and can not maintain the portable terminal at various angles.

The present invention is to solve the above-described problems, the main body and the sub-body when the sub-body of the portable terminal is placed close to increase the utilization area of the open surface and the folder that can maintain the mobile terminal at various angles desired by the user An object of the present invention is to provide a free stop hinge module for a portable terminal for a mobile device.

In order to achieve the above object, a free stop hinge module of a portable terminal for a folder of the present invention includes: a first housing fixedly mounted to one end of a main body of the portable terminal; A second housing fixedly mounted to one end of the subbody rotating relative to the main body; A first link having one end hinged to one end of the first housing by a first rotating shaft and the other end slidably coupled to one end of the second housing by a first slide shaft; A second link having one end hinged to one end of the second housing by a second rotary shaft and the other end slidably coupled to one end of the first housing by a second slide shaft; A stopper rod whose one end contacts one end of the first link or one end of the second link; Is disposed on the other end of the stopper rod is made of a spring for elastically supporting the stopper rod, the first link and the second link is hinged to each other at a hinge coupling point, the stopper rod is the first link by the spring One end of or one end of the second link is elastically supported to maintain the rotation angle of the second housing relative to the first housing.

First guide grooves are formed on both sides of the first housing in the longitudinal direction of the first housing, and second guide grooves are formed on both sides of the second housing in the longitudinal direction of the second housing. The first slide shaft slides along the second guide groove when the second housing rotates, and the second slide shaft slides along the first guide groove when the second housing rotates.

The stopper rod is inserted into a stopper hole communicating with a spring groove formed in the first housing or the second housing, and the spring is inserted into the spring groove, and the other end of the stopper rod is caught by the spring. A portion is formed, the outer diameter of the locking portion is larger than the inner diameter of the stopper hole and smaller than the inner diameter of the spring groove.

One or more stop grooves are formed at one end of the first link or one end of the second link, and one end of the stopper rod is inserted into the stop groove to prevent rotation of the second housing.

The stopper rod may include a spherical rotating member formed at one end thereof and in contact with one end of the first link or one end of the second link; The spring is made of a rod member for elastically supporting the rotating member in one direction of the first link or one end of the second link by the spring, the one end of the rod member is formed with a recess recess recessed in the other end direction The rotating member is rotatably disposed between one end of the first link or one end of the second link and the rotary groove.

The spring comprises: a first spring disposed in the first housing; A second spring disposed in the second housing, the stopper rod comprising: a first stopper rod elastically supporting one end of the first link in the first rotation axis direction by the first spring; And a second stopper rod elastically supporting one end of the second link in the second rotation axis direction by the second spring, wherein the first stopper rod rotates when the second housing rotates. One end of the first link is elastically supported in contact with an outer circumferential surface of one end of the second stopper, and the second stopper rod is in contact with the outer circumferential surface of one end of the second link rotating and rotating together when the second housing rotates. One end of the second link is elastically supported.

The free stop hinge module of the portable terminal for folders according to the present invention has the following effects.

The simple structure can keep the subbody of the portable terminal at the desired angle, and when the subbody of the portable terminal is opened, the main body and the subbody can be arranged close to each other to maximize the utilization area of the display by increasing the utilization area of the open surface. .

In addition, the outer diameter of the locking portion is larger than the inner diameter of the stopper hole is formed smaller than the inner diameter of the spring groove, the locking portion is inserted into the spring groove to prevent the stopper rod from leaving the stopper hole by the elastic force of the spring and to effectively transmit the elastic force of the spring The stopper rod may strongly support one end of the first link or one end of the second link.

In addition, one end of the stopper rod is inserted into the stop groove to prevent rotation of the second housing, whereby the subbody on which the second housing is mounted can be prevented from rotating arbitrarily.

In addition, the rotatable member is rotatably disposed between one end of the first link or one end of the second link and the rotary groove, so that one end of the first link and one end of the second link when the stopper rod is rotated together with the second housing. The friction generated between the stopper rods can be reduced.

In addition, the sub-body is elastically supported at one end of the first link on which the first stopper rod rotates, and elastically on one end of the second link on which the second stopper rod rotates with the second housing mounted on the subbody. You can easily maintain the rotated state.

1 is a view showing the operation of the hinge module of a conventional portable terminal for a folder.

2 is a perspective view of a free stop hinge module of a portable terminal for a folder according to an embodiment of the present invention.

3 is an exploded perspective view of a one-way hinge module of a portable terminal for a folder according to an exemplary embodiment of the present invention.

4 is an exploded perspective view of the free stop hinge module of the portable terminal for a folder according to an embodiment of the present invention in the other direction.

5 is a cross-sectional view taken along line A-A of FIG.

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 2.

FIG. 7 is a perspective view of a state in which the second housing is rotated in FIG. 2.

8 is a cross-sectional view taken along line C-C of FIG.

FIG. 9 is a cross-sectional view taken along line D-D of FIG. 7.

10 is a perspective view of a portable terminal equipped with a free stop hinge module of a portable terminal for a folder according to an embodiment of the present invention.

FIG. 11 is a perspective view of a state in which the mobile terminal is opened by rotating the subbody in FIG. 10.

12 is a cross-sectional view of a state in which the second housing is rotated in FIG. 5.

FIG. 13 is a cross-sectional view of the second housing rotated in FIG. 6.

2 is a perspective view of a free stop hinge module of a portable terminal for a folder according to an embodiment of the present invention, Figure 3 is a one-way exploded perspective view of the free stop hinge module of a portable terminal for a folder according to an embodiment of the present invention, Figure 4 Is an exploded perspective view of the free stop hinge module of the portable terminal for a folder according to an embodiment of the present invention. FIG. 5 is a cross-sectional view taken along line AA of FIG. 2, and FIG. 6 is a cross-sectional view taken along line BB of FIG. 7 is a perspective view of a state in which the second housing is rotated in FIG. 2, and FIG. 8 is a cross-sectional view taken along line CC of FIG. 7, and FIG. 9 is a cross-sectional view taken along line DD of FIG. 7.

As shown in FIGS. 2 to 4, the free stop hinge module of the portable terminal for a folder of the present invention includes a first housing 100, a second housing 200, a first link 300, and a second link 400. ), Springs (601, 602) and stopper rods (610, 620).

As shown in FIG. 10, the first housing 100 is fixedly mounted to one end of the main body 701 of the portable terminal.

As illustrated in FIGS. 2 to 4, first guide grooves 101 are formed at both ends of the first housing 100 in the longitudinal direction of the first housing 100.

As shown in FIG. 3, the first spring groove 102 is formed in the first housing 100 in the longitudinal direction of the first housing 100.

The first spring groove 101 is formed so that the upper portion is open.

In addition, a first stopper hole 103 is formed in the first housing 100.

As shown in FIGS. 3 and 5, the first stopper hole 103 is formed to be long in the longitudinal direction of the first housing 100 in a circular shape and formed on the left side of the first spring groove 102. In communication with the first spring groove (102).

In addition, a first cover 110 is coupled to an upper portion of the first housing 100.

As shown in FIG. 3 or 4, the first cover 100 is bent downward to cover the upper portion of the first spring groove 102 while surrounding the first housing 100.

As shown in FIG. 10, the second housing 200 is fixedly mounted to one end of the subbody 702 of the portable terminal and rotates with respect to the first housing 100.

As illustrated in FIGS. 2 to 4, second guide grooves 201 are formed at both ends of the second housing 200 in the longitudinal direction of the second housing 200.

As shown in FIG. 4, a second spring groove 202 is formed in the second housing 200 in the longitudinal direction of the second housing 200.

The second spring groove 202 is formed so that the lower portion is open.

The second spring groove 202 is formed inside the second housing 200 so as not to face the first spring groove 102 when the first housing 100 and the second housing 200 are disposed up and down. Is formed to be biased toward one side.

In addition, a second stopper hole 203 is formed in the second housing 200.

As shown in FIG. 3 and FIG. 6, the second stopper hole 203 is formed long in the longitudinal direction of the second housing 200 and is formed on the left side of the second spring groove 202 to form the second stopper hole 203. In communication with the spring groove 202.

In addition, a second cover 210 is coupled to an upper portion of the second housing 200.

As shown in FIG. 3 or FIG. 4, the second cover 210 covers the lower portion of the second spring groove 202 while bent upward to surround the second housing 200.

One end of the first link 300 is hinged to one end of the first housing 100 and the other end is slidably coupled to one end of the second housing 200.

In detail, as shown in FIG. 6, one end of the first link 300 is hinged to the first housing 100 by a first rotation shaft 310 and the other end is connected by the first slide shaft 320. Slidingly coupled to the second guide groove 201 formed in the second housing 200.

One end and the other end of the first link 300 is formed in a cylindrical shape.

One end of the first link 300 is formed with a first stop recess recessed in the direction of the first rotation shaft 310.

The first stop groove includes a first closing groove 302 and a first opening groove 303 spaced apart from each other along the outer circumferential surface of the first link 300.

As illustrated in FIG. 5, a first rotating body 614 to be described later is inserted into the first closing groove 302 so that the second housing 200 disposed up and down with the first housing 100 may be arbitrarily selected. To prevent rotation.

In addition, as illustrated in FIG. 8, the first housing 200 is inserted into the first opening groove 303 so that the second housing 200 is rotated with respect to the first housing 100. This prevents it from rotating arbitrarily.

As shown in FIG. 3, the first link 300 is hinged to the second link 400 by the hinge shaft 510 at the first hinge coupling point 501.

The first hinge coupling point 501 is formed between one end and the other end of the first link 300.

In addition, a first inclined surface 301 is formed between the other end of the first link 300 and the first hinge coupling point 501.

One end of the second link 400 is hinged to one end of the second housing 200, and the other end of the second link 400 is slidably coupled to one end of the first housing 100.

Specifically, as shown in FIG. 5, one end of the second link 400 is hinged to the second housing 200 by a second rotating shaft 410, and the other end is connected by the second slide shaft 420. Sliding is coupled to the first guide groove 101 formed in the first housing 100.

One end and the other end of the second link 400 is formed in a cylindrical shape.

One end of the second link 400 is formed with a second stop groove recessed concave in the direction of the second rotation shaft 410.

The second stop groove comprises a second closing groove 402 and a second opening groove 403 spaced apart from each other along the outer circumferential surface of one end of the second link 400.

As shown in FIG. 6, a second rotating body 624 to be described later is inserted into the second closing groove 401 so that the second housing 200 disposed up and down with the first housing 100 may be arbitrarily selected. To prevent rotation.

In addition, as shown in FIG. 9, the second housing 200 is inserted into the second opening groove 403 to be rotated with respect to the first housing 100. This prevents it from rotating arbitrarily.

As shown in FIG. 3, the second link 400 is hinged to the first link 300 by the hinge shaft 510 at the second hinge coupling point 502.

The second hinge coupling point 502 is formed between one end and the other end of the second link 400.

In addition, a second inclined surface 401 is formed between the other end of the second link 400 and the second hinge coupling point 502.

As described above, the first link 300 and the second link 400 are hingedly coupled to the side thereof.

5 or 6, one end of the first link 300 is disposed between one end of the second link 400 and the other end of the second link 400. It is disposed between one end and the other end of the first link (300).

In some cases, only one closing groove and one opening groove may be formed in one end of the first link 300 and one end of the second link 400.

That is, even if only one of the closing groove and the opening groove is formed at any one of one end of the first link 300 and one end of the second link 400, the second housing 200 is arbitrarily rotated in each state. You can stop it.

In addition, the closing groove and the opening groove may not be formed at one end of the first link 300 and one end of the second link 400.

When the closing groove and the opening groove are not formed, the

stopper rods

610 and 620 are connected to one end of the first link 300 and one end of the second link 400 by the

springs

601 and 602 as described below. The outer circumferential surface may be elastically supported to maintain an angle at which the second housing 200 is rotated.

The

springs

601 and 602 are formed in a coil shape and elastically support the

stopper rods

610 and 620.

The

springs

601 and 602 are composed of a first spring 601 and a second spring 602.

As shown in FIGS. 3 and 5, the first spring 601 is inserted into the first spring groove 102 to elastically stop the stopper rod 610 to be described later in one direction of the first link 300. I support it.

As shown in FIGS. 4 and 6, the second spring 602 is inserted into the second spring groove 202 so that the stopper rod 620, which will be described later, in one direction of the second link 400 is disposed. Elastic support.

One end of the

stopper rods

610 and 620 is in contact with one end of the first link 300 or one end of the second link 400 and the other end is in contact with the first spring 601 or the second spring 602.

The

stopper rods

610 and 620 may include a first stopper rod 610 and a second stopper rod 620.

The first stopper rod 610 is inserted into the first stopper hole 103.

As shown in FIG. 3, the first stopper rod 610 includes a first rod member 611 and a first rotating member 614.

The first rod member 611 is formed in a circular rod shape.

A first rotary groove 612 is formed at one end of the first rod member 611.

The first rotary groove 612 is recessed in one end of the first rod member 611 in the other end direction and the first rotary member 614 is inserted.

The first catching part 613 is formed at the other end of the first rod member 611, that is, at the end of the direction in which the first spring 601 is disposed.

As shown in FIG. 5, the first locking portion 613 has an outer diameter smaller than an inner diameter of the first spring groove 102 and larger than an inner diameter of the first stopper hole 103.

Accordingly, the first catching part 613 is inserted into the first spring groove 102, but is not inserted into the first stopper hole 103.

As such, the first catching portion 613 is caught without being inserted into the first stopper hole 103, so that the first stopper rod 611 is responsive to the first link by the elastic force of the first spring 601. One end of the 300 is prevented from escaping in the arranged direction.

In addition, the first stopper rod 611 may strongly support one end of the first link 300 by effectively transmitting the elastic force of the first spring 601 through the first catching portion 613. .

The first rotating member 614 is formed in a spherical shape and is disposed at one end of the first rod member 611, that is, at the end where the first rotating groove 612 is formed, and one end of the first link 300. In contact with the first rotary groove 612.

The first rotating member 614 is disposed between one end of the first link 300 and the first rotating groove 612 when the second housing 200 rotates with respect to the first housing 100. By rotating, friction generated between one end of the first link 300 and the first rod member 611 may be reduced.

In some cases, the first stopper rod 610 may be formed of only the first rod member 611.

When the first stopper rod 610 is made of only the first rod member 611 without the first rotating member 614, one end of the first rod member 611 is directly connected to the first link 300. It comes into contact with the outer circumferential surface of one end

The second stopper rod 620 is inserted into the second stopper hole 203 as shown in FIGS. 3 and 6.

The second stopper rod 620 includes a second rod member 621 and a second rotation member 624.

The second rod member 621 has a second rotary groove 622 is formed at one end and a second catching portion 623 is formed at the other end.

Since the second rod member 621 has the same shape and configuration as the first rod member 610, a detailed description thereof will be omitted.

The second rotating member 624 has the same shape as the first rotating member 614 and is disposed between one end of the second link 400 and the second rotating groove 622 to provide the second link 400. A) and the second rotary groove 622.

Similar to the first stopper rod 610, the second stopper rod 620 may be formed of only the second rod member 621.

The

stopper rods

610 and 620 as described above may be formed of any one of the first stopper rod 610 and the second stopper rod 620, but in the present embodiment, the first stopper rod 610 and the second stopper rod By being made of two, one end of the first link 300 and one end of the second link 400 more strongly support the angle of the second housing 200 is easily rotated as will be described later I can keep it.

Hereinafter, an operation method of the free stop hinge module of the portable terminal for a folder according to the above configuration will be described.

10 (a) is a perspective view of a portable terminal equipped with a folder free stop hinge module according to an embodiment of the present invention, Figure 10 (b) is a cross-sectional view taken a line EE of Figure 10 (a), Figure 11 (a) is a perspective view of the state in which the mobile terminal is opened by rotating the sub-body in Figure 10 (a), Figure 11 (b) is a cross-sectional view taken along the line FF of Figure 11 (a), Figure 12 is Figure 5 In Figure 2 is a cross-sectional view of a state in which the second housing is rotated, Figure 13 is a cross-sectional view of the state in which the second housing is rotated in FIG.

As shown in FIG. 10, the first housing 100 and the first housing are disposed on the upper portion of the first housing 100 in a state where the portable terminal is closed by covering the upper portion of the main body 701 with the sub body 702. The second housing 400 connected by the first link 300 and the second link 400 is disposed.

As shown in FIG. 10 (b), one end of the first link 300 is disposed between one end and the other end of the second link 400 and is adjacent to the other end of the second link 400. .

In addition, one end of the second link 400 is disposed between one end and the other end of the first link 300 and is disposed adjacent to the other end of the first link 300.

As shown in FIG. 10 (b), the first slide shaft 320 is disposed on the left side of the second guide groove 201 and the second slide shaft 420 is the first guide groove 101. Is placed on the left side of the

In this case, as shown in FIGS. 5 and 6, the first rotating body 614 elastically supported by the first spring 601 is inserted into the first closing groove 302, and the second closing is closed. The second rotating body 624 elastically supported by the second spring 602 is inserted into the groove 402 to prevent the second housing 200 from rotating arbitrarily with respect to the first housing 100. do.

In this way, the first rotating body 614 disposed at one end of the first rod member 611 is inserted into the first closing groove 302 by the elastic force of the first spring 601, and the second The second housing 200 is inserted into the closing groove 402 by inserting the second rotating body 624 disposed at one end of the second rod member 621 by the second spring 602. The rotation of the housing 100 may be prevented to keep the mobile terminal closed.

As described above, when the user rotates the subbody 702 of the portable terminal while the portable terminal is closed, the second housing 200 rotates with respect to the first housing 100.

When the first housing 100 is fixed, the second housing 200 is rotated based on the first housing 100, and when the second housing 200 is fixed, the second housing 200 is fixed to the second housing 200. Since the first housing 100 is rotated with respect to the rotation of the first housing 100 or the second housing 200 is relative.

When the second housing 200 rotates by rotating the subbody 702 in a counterclockwise direction, the first link 300 rotates about the first rotation shaft 310.

The other end of the first link 300 rotates and slides along the second guide groove 201.

In addition, as shown in FIG. 12, as one end of the first link 300 rotates in the counterclockwise direction, the first rotation member 614 inserted into the first closing groove 302 may be formed in the first rotation path. After leaving the closing groove 302 it is elastically supporting the outer peripheral surface of one end of the first link 300 by the first spring (601).

When the second housing 200 rotates, the other end of the second link 400 slides along the second guide groove 201 and rotates about the second slide shaft 420.

As shown in FIG. 13, when the second housing 200 rotates, the second stopper rod 620 rotates together, and the second link 400 is centered on the second slide shaft 420. As it rotates, the second rotating body 624 moves out of the second closing groove 402 along the outer circumferential surface of one end of the second link 400 and elastically supports one end of the second link 400. do.

As such, the first rotating member 614 elastically supports an outer circumferential surface of one end of the first link 300 and the second rotating member 624 elastically supports an outer circumferential surface of one end of the second link 400. Thus, the subbody 702 can be easily maintained at the angle desired by the user.

If the sub body 702 continues to rotate, as shown in FIG. 11, the portable terminal is opened so that the heights of the upper surfaces of the main body 701 and the sub body 702 coincide with each other.

In addition, the main body 701 and the sub-body 702 are disposed in close proximity to each other to increase the utilization area of the open surface of the portable terminal to maximize the utilization space of the display unit.

8 and 9, the first slide shaft 320 is disposed at the left end of the second guide groove 201, and the second slide shaft 420 is the first guide groove. It is disposed at the right end of 101.

In the open state of the mobile terminal, the first rotating body 614 is inserted into the first opening groove 303 by the first spring 601 and the second by the second spring 602. The second rotating body 624 is inserted into the opening groove 403 to prevent the sub-body 702 from rotating arbitrarily, so that the portable terminal can be kept open.

In addition, as shown in FIG. 8, the first inclined surface 301 formed on the first link 300 in the open state of the portable terminal is disposed in parallel with the lower surface of the second housing 200. The second inclined surface 401 formed on the second link 400 is disposed in parallel with the lower surface of the first housing 100.

As such, the first link 300 has the first inclined surface 301 disposed in parallel with the lower surface of the second housing 200, and the second link 400 has the second inclined surface 401 having the first slope. The first link 300 and the second link 400 are disposed in parallel with the lower surface of the housing 100 to be inserted into the first housing 100 and the second housing 200, thereby opening the portable terminal. In this state, the main body 701 and the sub body 702 may be disposed in close proximity, and the thickness of the portable terminal may be reduced.

On the other hand, when the user rotates the sub body 702 to close the portable terminal, the user rotates the sub body 702 to close it, and the operation is the same as the reverse procedure of opening the mobile terminal.

The free stop hinge module of the portable terminal for a folder of the present invention is not limited to the above-described embodiment, and can be modified in various ways within the allowable range of the technical idea of the present invention.

The free stop hinge module of the present invention is applied to a small electronic device such as a portable terminal, and when the sub body is opened, the main body and the sub body are disposed close to increase the utilization area of the open surface and the electronic device at various angles desired by the user. To maintain.

Claims

A first housing fixedly mounted to one end of the main body of the portable terminal;

A second housing fixedly mounted to one end of the subbody rotating relative to the main body;

A first link having one end hinged to one end of the first housing by a first rotating shaft and the other end slidably coupled to one end of the second housing by a first slide shaft;

A second link having one end hinged to one end of the second housing by a second rotary shaft and the other end slidably coupled to one end of the first housing by a second slide shaft;

A stopper rod whose one end contacts one end of the first link or one end of the second link;

Is disposed on the other end of the stopper rod made of a spring for supporting the stopper rod elastically,

The first link and the second link is hinged to each other at the hinge coupling point,

The stopper rod elastically supports one end of the first link or one end of the second link by the spring to maintain the rotation angle of the second housing relative to the first housing. Freestop hinge module.
The method of claim 1,

First guide grooves are formed on both sides of the first housing in the longitudinal direction of the first housing,

On both sides of the second housing is formed a second guide groove long in the longitudinal direction of the second housing,

The first slide shaft slides along the second guide groove when the second housing rotates,

The second slide shaft free stop hinge module of the portable terminal for a folder, characterized in that sliding along the first guide groove when the second housing is rotated.
The method of claim 1,

The stopper rod is inserted into and disposed in the stopper hole communicating with a spring groove formed in the first housing or the second housing.

The spring is inserted into the spring groove,

The other end of the stopper rod is formed with a engaging portion in contact with the spring,

The outer diameter of the engaging portion is greater than the inner diameter of the stopper hole free stop hinge module of the portable terminal for a folder, characterized in that smaller than the inner diameter of the spring groove.
The method of claim 1,

At least one stop groove is formed at one end of the first link or one end of the second link,

One end of the stopper rod is inserted into the stop groove free stop hinge module of the portable terminal for a folder, characterized in that the rotation of the second housing.
The method according to any one of claims 1 to 4,

The stopper rod,

A spherical rotating member formed at one end and in contact with one end of the first link or one end of the second link;

Is made of a rod member for elastically supporting the rotating member in one direction of the first link or one end of the second link by the spring,

One end of the rod member is formed with a recessed recess recessed in the other end direction,

The rotating member is a free stop hinge module of a portable terminal for a folder, characterized in that rotatably disposed between one end of the first link or one end of the second link and the rotary groove.
The method according to any one of claims 1 to 4,

The spring is,

A first spring disposed in the first housing;

A second spring disposed in the second housing;

The stopper rod,

A first stopper rod elastically supporting one end of the first link in the first rotation axis direction by the first spring;

The second spring is made of a second stopper rod for elastically supporting one end of the second link in the direction of the second rotation axis,

The first stopper rod elastically supports one end of the first link in a state in contact with an outer circumferential surface of one end of the first link that rotates when the second housing rotates,

The second stopper rod is elastically supporting one end of the second link in a state in contact with the outer circumferential surface of one end of the second link to rotate and rotate together when the second housing is rotated of the portable terminal for a folder Freestop hinge module.