KR100746717B1 - Two direction opening and closing mechanism - Google Patents

Abstract

Disclosed is a two-way opening and closing device for opening and closing a second body in a folding operation from a first body and simultaneously performing a swing operation when the second body is opened. The disclosed two-way opening and closing device includes a fixed part fixed to the first body, a swing rotating part rotatably coupled to the fixed part in a first direction in which the first and second surfaces are staggered from each other, and the swing rotating part in the first direction. A clutch part that generates a strong braking force in a non-rotated state and a relatively weak braking force in a state where the swing rotation part is rotated a predetermined angle in the first direction, and the first surface is fixed to the second body so that the first surface is the second surface. It has a folding rotating part rotatably connected in a second direction from which one side is heard. When the camera is installed on the front or side surface of the first body, the communication terminal to which the two-way switching device is applied may be positioned while the display device installed on the second body is located on the front or side, and the image may be taken while watching the display device. .

Terminal, Folding, Swing, Switchgear

Description

2-way switchgear {TWO DIRECTION OPENING AND CLOSING MECHANISM}

1 is an exploded perspective view of a switching device according to an embodiment of the present invention,

2 is an exploded perspective view of the clutch unit illustrated in FIG. 1;

3 is a perspective view of the folding rotating unit shown in FIG.

4 is a perspective view showing a state of use of the folding rotating part shown in FIG.

5 is a perspective view of a closed state of a portable terminal to which an opening and closing apparatus is applied according to an embodiment of the present invention;

FIG. 6 is a perspective view of a state in which the second body of the portable terminal shown in FIG. 5 is opened to a call angle;

7 is a perspective view of a state in which the second body of the portable terminal illustrated in FIG. 5 is rotated a predetermined angle in a second direction;

FIG. 8 is a perspective view of the swing rotating part separated from FIG. 7; FIG.

9 is a perspective view of a state in which the second body of the portable terminal shown in FIG. 5 is rotated a predetermined angle in a first direction;

FIG. 10 is a perspective view of the swing rotating part separated from FIG. 9. FIG.

<Explanation of symbols for main parts of drawing>

100: first body 102: first page

200: second body 202: second page

300: fixed part 310: first hemispherical groove

312: second hemisphere groove 320: first through hole

330: groove 340: the first shaft member

342: first central hole 344: incision

346: locking portion 348: annular groove

350: washer 352: snap ring

360: first ball 362: first elastic member

370: second ball 372: second elastic member

400: swing rotation part 410: second through hole

420: rotating ball 500: hinge axis

510: rounding part 512: cutting part

520: the second center hole 530: the first cam

532: first waveform surface 540: second cam

542: second wavefront 550: third elastic member

560: second shaft member

The present invention relates to a two-way opening and closing device, in particular, by opening and closing the second body in the folding operation from the first body and at the same time to make the swing operation when the second body is opened so that the front and rear surfaces of the second body is reversed, The display device installed on one side of the second body is to be viewed from various angles.

The cover of a general portable terminal (an integrated meaning of a flip or a folder) has a structure that is pivotally opened and closed by a hinge device from a main body.

When the cover of the portable terminal is closed to the main body, the outer side of the cover is visible, and when the cover is open from the main body, the inner side of the cover is visible. In general, a portable terminal has a large LCD screen on the inner side of the cover and a small LCD screen on the outer side. Therefore, the user sees only the small LCD screen when the cover is closed, and only the large LCD screen when the cover is open.

By the way, even when the cover is closed, there is a case where you want to see a large screen, but the general portable terminal did not satisfy the needs of the user.

In addition, there is a case where a video communication camera is mounted on the inner side of the main body. Since the camera is always facing the user while the cover is open, the user calls the recorded video while watching his / her image displayed on the large LCD screen of the cover. It is sent to the other party. By the way, if you want to shoot and transmit the front image, the cover is inverted together with the camera to shoot the front image, but the user can not see the front image displayed from the large LCD screen, it was impossible to accurately capture.

In the conventional opening and closing device having only a monotonous function in which the cover is opened and closed by the rotational operation, there is a problem in that the video communication camera cannot meet the function desired by the user in the current trend of being essentially mounted in the portable terminal.

The present invention has been made in order to solve the above problems, an object of the present invention is to open and close the second body in the folding operation from the first body and at the same time the swinging operation is performed when the second body is opened the second body By inverting the front and rear surfaces of the, the display device installed on one surface of the second body can be viewed from various angles.

The present invention for achieving the above object, in the two-way opening and closing device for opening and closing the first body having a first surface and the second body having a second surface closed in surface contact with the first surface A fixing part fixed to the first body; A swing rotating part rotatably coupled to the fixing part in a first direction in which the first surface and the second surface are staggered from each other; A clutch unit generating a strong braking force when the swing rotation unit is not rotated in the first direction and generating a relatively weak braking force when the swing rotation unit is rotated a predetermined angle in the first direction; And a folding rotating part fixed to the second body and rotatably connected to the swing rotating part in a second direction in which the first surface is lifted from the second surface.
The swing rotation part is rotatably coupled to the fixed part by a first shaft member.
The first shaft member has a central hole through which a signal line connected to the second body from the first body passes.
The clutch unit may include: first clutch means for generating a predetermined braking force in a state in which the second body is not rotated from the first body in the first direction and rotated a predetermined angle in the first direction; And second clutch means for generating an additional braking force in a state where the second body is not rotated from the first body in the first direction.
The first clutch means is composed of one or more first balls fixed to one side of the fixing part or the swing rotating part, the second body on the side where the first ball is not fixed of the fixing part or the swing rotating part. A first hemispherical groove into which a part of the first ball is inserted at each angle to be braked is formed on a concentric circle.
The first clutch means may be configured such that the second body rotates a predetermined angle in the first direction by the number of the first balls inserted into the first hemispherical groove while the second body is closed to the first body. In a state larger than the number of the first balls inserted into the first hemispherical groove so that a greater braking force is generated than the state in which the second body is rotated a predetermined angle in the first direction while the second body is closed. do.
The first clutch means, a first elastic member for applying an elastic force to the first ball is installed in the portion of the fixed portion or the swing rotation portion is fixed to the first ball.
The second clutch means is composed of one or more second balls fixed to one side of the fixing part or the swing rotation part, the side of the fixing ball or the swing rotation part is not fixed to the second ball, A third hemispherical groove is formed which does not coincide with the movement path and into which a part of the second ball is inserted at an angle at which the second body is closed.
The sum of the first ball and the second ball is made of three, and the position of the first ball and the second ball is always triangular, so that the fixing part and the swing rotation part are stably coupled.
The first ball and the second ball is arranged so that the swing rotation part does not pass one point while rotating in both directions in the first direction, a signal line connected to the second body from the first body to the one point. Allow it to pass.
The second clutch means, a second elastic member for applying an elastic force to the second ball is installed in the part of the fixing portion or the swing rotation part is fixed to the second ball.
The folding rotating part generates a braking force so that the swing rotating part does not rotate in the first direction when the second body is closed to the first body, and the second body is moved from the first body to the second direction. The swing rotation part allows the swing rotation part to rotate in the first direction, and when the swing rotation part starts to rotate in the first direction, the braking force is applied so that the second body does not rotate in the second direction. Generate.
The folding rotating part is fixed to the second body is rotatably coupled to the swing rotating part in the second direction, the recess portion formed in the fixing part in a state in which the second body is closed to the first body A rounding part coupled to prevent the swing rotation part from rotating in the first direction and to prevent the second body from rotating in the second direction when the swing rotation part starts to rotate in the first direction; The hinge shaft is formed with a cutting portion for allowing the swing rotation portion to rotate in the first direction by moving away from the groove portion.
The folding rotating part includes third clutch means for generating a braking force in a state in which the second body is closed to the first body and rotated a predetermined angle in the second direction.
The third clutch means may include: a first cam fixed to the swing rotation part and having a circular shape with a first waveform surface formed of a valley portion and a hill portion at a phase of an angle to apply a braking force to the second body; A second cam fixed to the second body and having a second waveform surface corresponding to the first waveform surface in a circular shape; A third elastic member for generating an elastic force for bringing the second cam into close contact with the first cam; And a second shaft member configured to pass through the centers of the first cam and the second cam to become a rotation center and to connect the swing rotation part and the second body so as to be relatively rotatable.
Hereinafter, a preferred embodiment of the present invention having the above configuration will be described to embody the present invention.
1 is an exploded perspective view of the opening and closing device according to an embodiment of the present invention, Figure 2 is an exploded perspective view of the clutch portion shown in FIG. FIG. 5 is a perspective view of a portable terminal in which a portable terminal according to an embodiment of the present invention is closed, and FIG. 6 is a perspective view of a second body of the portable terminal illustrated in FIG. 5 open to a call angle.
The communication terminal of the present embodiment includes a first body 100 having a first surface 102, a second body 200 having a second surface 202 closed in surface contact with the first surface 102, and a second body 200. , It consists of a two-way opening and closing device for opening and closing the second body 200.
The first body 100 is provided with a keypad, a microphone and a control unit for inputting various functions, and the second body 200 is provided with a speaker and a display device.
The two-way opening and closing device, the fixing part 300 is fixed to the first body (100); A swing rotating part 400 which is rotatably coupled to the fixing part 300 in a first direction in which the first surface 102 and the second surface 202 are crossed with each other; A clutch unit generating a strong braking force when the swing rotation unit 400 is not rotated in the first direction and generating a relatively weak braking force when the swing rotation unit 400 is rotated a predetermined angle in the first direction; And a folding rotation part fixed to the second body 200 so that the first surface 102 is rotatably connected to the swing rotation part 400 in a second direction in which one side is lifted from the second surface 202.
The swing rotation part 400 is rotatably coupled to the fixed part 300 by the first shaft member 340.
In the first shaft member 340, a central hole through which a signal line connected from the first body 100 to the second body 200 passes is formed, and an incision 344 for passing the signal line laterally is formed. Is formed.
Meanwhile, a first through hole 320 for passing the first shaft member 340 is formed at the center of the fixing part 300, and the first shaft member 340 is passed at the center of the swing rotating part 400. The second through hole 410 is formed.
In addition, the first shaft member 340 is provided with a locking portion 346 to be caught by the upper edge of the second through hole 410, the second through hole 410 and the first through hole 320 An annular groove 348 is formed at the end that passes. The washer 350 and the snap ring 352 are coupled to the annular groove 348 to tightly restrain the fixing part 300 and the swing rotation part 400.
Meanwhile, the clutch unit may include: first clutch means for generating a predetermined braking force in a state in which the second body 200 is not rotated from the first body 100 in the first direction and rotated by a predetermined angle in the first direction; And second clutch means for generating additional braking force in a state in which the second body 200 is not rotated from the first body 100 in the first direction.
The first clutch means includes one or more first balls 360 fixed to one side of the fixing part 300 or the swing rotating part 400.
In addition, a portion of the first ball 360 is inserted at each angle to brake the second body 200 on the side where the first ball 360 is not fixed among the fixed part 300 or the swing rotation part 400. The first hemispherical groove 310 is formed on a concentric circle.
In addition, a first elastic member 362 for applying an elastic force to the first ball 360 is installed at a portion of the fixing part 300 or the swing rotating part 400 to which the first ball 360 is fixed. The first elastic member 362 is made of a compression spring.
Meanwhile, the second clutch means includes one or more second balls 370 fixed to one side of the fixing part 300 or the swing rotating part 400.
In the fixed part 300 or the swing rotation part 400, the second ball 370 is not fixed to the side of the fixed part 300 or the swing rotation part 400 that does not coincide with the movement path of the first ball 360 and is formed at an angle at which the second body 200 is closed. A second hemispherical groove 312 into which a part of the second ball 370 is inserted is formed.
The number of the first balls 360 is two, and the number of the second balls 370 is one. In addition, the positions of the first ball 360 and the second ball 370 always make a sensory shape, such that the fixing part 300 and the swing rotation part 400 are stably coupled. The second ball 370 is disposed to rotate in a circular shape inside the first ball 360.
In addition, when the second body 200 is closed to the first body 100, two first balls 360 are inserted into the first hemispherical groove 310, and the second body 200 moves in the first direction. Only one first ball 360 is inserted into the first hemispherical groove 310 in a state of being rotated by a predetermined angle. Therefore, a strong braking force is generated when the second body 200 is closed, and a weak braking force is generated to give a user a feeling of click when the second body 200 is rotated by a predetermined angle in the first direction.
In addition, the first ball 360 and the second ball 370 may be disposed so as not to pass through a point while the swing rotation part 400 rotates in both directions in the first direction, and thus, the first ball 360 and the second ball 370 may be formed from the first body 100. It allows to pass the signal line connected to the two body (200).
In addition, a second elastic member 372 for applying an elastic force to the second ball 370 is installed at a part of the fixing part 300 or the swing rotating part 400 to which the second ball 370 is fixed. The second elastic member 372 is made of a compression spring.
Meanwhile, FIG. 3 is a perspective view of the folding rotating part shown in FIG. 1, and FIG. 4 is a perspective view showing a using state of the folding rotating part shown in FIG. 3.
The folding rotation part generates a braking force so that the swing rotation part 400 does not rotate in the first direction when the second body 200 is closed to the first body 100, and the second body 200 includes the first body. The swing rotation part 400 allows the swing rotation part 400 to be rotated in the first direction while being rotated by a predetermined angle from the body 100 in the second direction. When the swing rotation part 400 starts to rotate in the first direction, the second body ( The braking force is generated so that the 200 does not rotate in the second direction.
The folding rotating part is fixed to the second body 200 and is rotatably coupled to the swing rotating part 400 in a second direction, and the fixing part in a state in which the second body 200 is closed to the first body 100. The second body 200 is coupled to the recess 330 formed in the 300 to prevent the swing rotation part 400 from rotating in the first direction and the swing rotation part 400 starts to rotate in the first direction. A hinge shaft having a rounding part 510 for preventing rotation in the second direction and a cutting part 512 for allowing the swing rotation part 400 to rotate in the first direction by deviating from the recess 330. 500).
The hinge shaft 500 is formed with a second center hole 520 for passing the signal line drawn out from the cutout 344 of the first shaft member 340.
In addition, a swing hole 420 is formed in the swing rotation part 400 to which the hinge shaft 500 is rotatably coupled.
The reason for preventing the second body 200 from being rotated in the second direction by the swinging motion in the closed state is that the second body 200 is immediately rotated in the second direction by the swinging motion in the closed state. This is because the body 200 touches the keypad installed on the first body 100, thereby damaging the keypad.
In addition, the folding rotating part includes a third clutch means for generating a braking force in a state in which the second body 200 is closed to the first body 100 and rotated a predetermined angle in the second direction.
The third clutch means is fixed to the swing rotation part 400, the first waveform surface 532 consisting of the valley portion and the ridge formed on the phase of the angle to apply the braking force to the second body 200 is formed in a circular shape A first cam 530; A second cam 540 fixed to the second body 200 and having a second waveform surface 542 corresponding to the first waveform surface 532 formed in a circular shape; A third elastic member 550 for generating an elastic force for bringing the second cam 540 into close contact with the first cam 530; And a second shaft member 560 passing through the centers of the first cam 530 and the second cam 540 to become a rotation center, and allowing the swing rotation unit 400 and the second body 200 to be relatively rotatable. ) The third elastic member 550 is made of a compression spring.
Hereinafter will be described the action of the two-way switchgear having the configuration as described above.
FIG. 5 is a perspective view of a portable terminal in which a portable terminal according to an embodiment of the present invention is closed, and FIG. 6 is a perspective view of a second body of the portable terminal illustrated in FIG. 5 open to a call angle.
In the state where the opening and closing device of the present embodiment is mounted on the portable terminal, the first shaft member 340 rotatably connects the swing rotation part 400 and the fixing part 300 in the first direction, and the first elastic member 362 ) And the first ball 360 and the second ball 370, which are elastic to the second elastic member 372, are inserted into the first hemispherical groove 310 and the second hemispherical groove 312 to generate a predetermined braking force. As a result, the second body 200 is maintained in the closed state to the first body 100.
In addition, one side of the second body 200 is rotatably supported by the hinge shaft 500 to the swing rotation part 400 in the second direction, and the other side is rotatably rotated to the swing rotation part 400 by the third clutch means. Supported.
The third clutch means is coupled to the hill portion and the valley portion of the second cam 540, which is fixed to the second body 200, the hill portion and the valley portion of the first cam 530 is fixed to the swing rotation unit 400, The third elastic member 550 pushes the second cam 540 toward the first cam 530. Accordingly, the third clutch means maintains the closed state of the second body 200 by generating a predetermined braking force for the second body 200 to rotate in the second direction while the second body 200 is closed to the first body 100. Let's do it.
The signal line drawn out from the first body 100 passes through the first center hole 342 of the first shaft member 340 and through the second center hole 520 of the hinge shaft 500. ).
On the other hand, the rounding part 510 of the hinge shaft 500 is inserted into the recess 330 of the fixing part 300 to prevent the swing rotation part 400 from rotating in the first direction, whereby the second body 200 The swing motion rotating in the first direction does not occur, and only the folding motion rotating in the second direction is possible.
Next, an operation of opening the second body 200 will be described.
As shown in FIG. 5, in a closed state in which the second surface 202 of the second body 200 is in contact with the first surface 102 of the first body 100, the user moves the second body 200 in the second direction. When lifting up, the second body 200 rotates in a second direction about the hinge axis 500.
In this process, the third clutch means initially generates a predetermined braking force, and when the hill portion and the valley portion of the second cam 540 pass the inflection point, the third body pushes the second body 200 in the open direction again. When the second body 200 is rotated by a predetermined angle so that the hill portion and the valley portion of the first cam 530 and the valley portion and the hill portion of the second cam 540 are coupled, the braking force is generated again in that state so that the second body Maintain an open state of 200.
If the second body 200 is opened in the second direction until the call angle as shown in FIG. 6 by repeating the above process, in this state, the user looks at the display device of the second body 200 of the first body 100. Operate the keypad to use various functions of the communication terminal.
In this case, the display device installed in the second body 200 faces the front. Therefore, when the camera is installed in front of the first body 100, the user can take a picture of his own image while watching the imaging state of the camera with the display device.
7 is a perspective view of a state in which the second body of the portable terminal illustrated in FIG. 5 is rotated a predetermined angle in the second direction, and FIG. 8 is a perspective view of the swing rotating part of FIG. 7.
As shown in the figure, when the second body 200 is opened at a predetermined angle (for example, 90 °) in the first direction, the rounding part 510 of the hinge shaft 500 is recessed 330 of the fixing part 300. Apart from the cutting portion 512 is located above the recess 330. Therefore, the braking force that the hinge shaft 500 restrains against the rotation of the swing rotation part 400 in the first direction is eliminated.
In this state, the user may rotate the second body 200 opened in the second direction in the first direction.
9 is a perspective view of a state in which the second body of the portable terminal shown in FIG. 5 is rotated a predetermined angle in the first direction, and FIG. 10 is a perspective view of the swing rotating part of FIG.
When the user rotates the second body 200 in the first direction, a force is transmitted to the swing rotation part 400 supported by the second body 200, so that the swing rotation part 400 rotates in the first direction.
In this process, the first clutch means and the second clutch means initially generate a predetermined braking force, and the braking force is not generated when the first ball 360 moves away from the first hemispherical groove 310. When the first ball 360 rotates in the first direction and enters the other first hemispherical groove 310, the braking force is generated again in that state to maintain the swing rotation part 400.
In addition, the second body by keeping the rounding part 510 of the hinge shaft 500 out of the recess 330 of the fixing part 300 and the cutting part 512 in contact with the edge of the fixing part 300. The folding operation of 200 does not occur.
In this state, the display device installed in the second body 200 faces the side direction. Therefore, when the camera is installed on the side of the first body 100, the user can take a picture of his own image while watching the imaging state of the camera with the display device.
On the other hand, the process of closing the second body 200 as the first time is made in the reverse order to the above operation.

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As described in the above embodiments, the communication terminal to which the two-way switchgear of the present invention is applied has a display device installed on the second body when the camera is installed on the front or side back of the first body. The effect is that you can take a picture while watching the display.

The present invention has been described above by way of specific embodiments, but the present invention is not limited to the above-described embodiments, and those skilled in the art without departing from the gist of the present invention claimed in the claims. Anyone can make a variety of variations.

Claims (15)

In the two-way opening and closing device for opening and closing a first body having a first surface and a second body having a second surface closed in surface contact with the first surface, A fixing part fixed to the first body; A swing rotating part rotatably coupled to the fixing part in a first direction in which the first surface and the second surface are staggered from each other; A clutch unit generating a strong braking force when the swing rotation unit is not rotated in the first direction and generating a relatively weak braking force when the swing rotation unit is rotated a predetermined angle in the first direction; And The first body is fixed to the second body and the swing rotating part comprises a folding rotating part rotatably connected in a second direction in which one side is lifted from the second surface, The folding rotating unit, It is fixed to the second body rotatably coupled to the swing rotation part in the second direction, the second body is coupled to the groove portion formed in the fixing part in the state closed to the first body the swing rotation A rounding portion for preventing the second body from rotating in the second direction when the additional portion prevents the rotation in the first direction and the swing rotation portion starts to rotate in the first direction; And a hinge shaft having a cutting portion for allowing the swing rotation portion to rotate in the first direction. delete delete The method of claim 1, wherein the clutch unit, First clutch means for generating a predetermined braking force in a state in which the second body is not rotated from the first body in the first direction and rotated by a predetermined angle in the first direction; And And a second clutch means for generating an additional braking force in a state in which the second body is not rotated from the first body in the first direction. The method according to claim 4, wherein the first clutch means, made of one or more first ball is fixed to one side of the fixed portion or the swing rotation part, On the side where the first ball is not fixed, either the fixing part or the swing rotating part, a first hemispherical groove into which a part of the first ball is inserted at each angle to brake the second body is formed on a concentric circle. Two-way switchgear characterized in that. The method of claim 5, wherein the first clutch means, The first hemispherical groove in a state in which the second body is rotated a predetermined angle in the first direction by the number of the first balls inserted into the first hemispherical groove while the second body is closed in the first body. A greater than the number of the first ball to be inserted into the, so that the braking force greater than the state in which the second body is rotated a predetermined angle in the first direction in a state where the second body is closed Switchgear. The method according to claim 5, wherein the first clutch means, the first elastic member for applying an elastic force to the first ball is installed in the part of the fixed part or the swing rotation part is fixed to the first ball 2 Directional switchgear. The method of claim 4, wherein the second clutch means is composed of one or more second balls fixed to one side of the fixed portion or the swing rotation part, A third hemispherical shape in which the second ball is not fixed to the fixed part or the swing rotating part, in which the second ball is inserted at a angle in which the second body is closed and does not coincide with the movement path of the first ball. 2-way opening and closing device characterized in that the groove is formed. The method according to claim 8, wherein the sum of the first ball and the second ball is made of three, the position of the first ball and the second ball is always in a triangular shape, whereby the fixing part and the swing rotation part is stable Two-way switchgear, characterized in that coupled to. The method according to claim 9, wherein the first ball and the second ball is arranged so that the swing rotation part does not pass a point during the rotation in both directions on the first direction, thereby the second body from the first body to the one point Two-way switchgear characterized in that to allow the signal line to be connected to pass. 10. The method of claim 8, wherein the second clutch means, the second elastic member for applying an elastic force to the second ball is installed in the part of the fixed portion or the swing rotating portion to which the second ball is fixed. Switchgear. delete delete delete delete

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