KR20110007297A - Folder type portable terminal - Google Patents

Abstract

PURPOSE: A folder type mobile device maintaining the openness with the force of restitution of a plane spring is provided to open the mobile terminal by facilitating the force of restitution of the plane spring. CONSTITUTION: A first side part of a plate spring(140) is fixed to an upper cover. A second side part offers a bending part. A third side part is slid about a rear cover(110). A guide slot is formed in the center of the width direction of the third side part. The breadth of the guide slot is roughly similar to the diameter of a guide pin. An opening and closing operation of a top cover, the guide slot is taken to the guide pin of a guide plate(130).

Description

Clamshell Portable Terminal {FOLDER TYPE PORTABLE TERMINAL}

The present invention relates to a folding portable terminal, and more particularly, to a folding portable terminal using the restoring force of the leaf spring.

Generally, a portable terminal or a mobile communication terminal is a personal mobile communication services terminal, a personal digital assistant (PDA), a smart phone, a next generation mobile communication terminal (International Mobile Telecommunication 2000: IMT-2000), and a terminal such as a wireless LAN terminal, which can carry various functions using wireless communication and various application programs while being carried by an individual.

Portable terminals are not only compact and lightweight due to steady development, but also have become a complex communication terminal with various functions such as mp3, digital camera, navigation, and internet browsing, and are already becoming a necessity of modern man.

As the portable terminal develops at such a high speed, various technologies are being applied to the portable terminal.

On the other hand, the portable terminal is largely divided into a clamshell terminal and a slide terminal.

Among these, the foldable terminal refers to a terminal in which a top call can be made by turning the top cover with respect to the rear cover.

The slide type terminal refers to a terminal in which a call is possible or a camera function or a DMB function is activated by sliding the top cover with respect to the rear cover.

Meanwhile, a clamshell terminal generally uses an open structure using a hinge, and various structures have been developed.

The present invention is to solve the conventional problems as described above, the object is to provide a foldable portable terminal that can be easily opened by using the restoring force of the leaf spring by pressing the opening button only once.

In order to achieve the above object, a rear cover having a keypad; An upper cover which opens and closes in a folder form with respect to the rear cover and has a display screen; A guide plate having a substantially rectangular shape, and having both sides in the longitudinal direction fixed to the rear cover, and a guide pin provided at the center in the width direction; It has an approximately rectangular shape whose width is smaller than the distance between the two sides fixed to the rear cover of the guide plate, and has a first face portion fixed to the top cover, a second face portion providing a bent portion, and a slideable rear side with respect to the rear cover. A guide slot having a third surface portion interposed between the cover and the guide plate and having a width approximately equal to the diameter of the guide pin in the longitudinal direction is formed in the center of the width direction of the third surface portion. A leaf spring in which the guide slot is guided by a guide pin of the guide plate; A button pressed when the top cover is opened; And a locking mechanism for closing the top cover to lock the rear cover when the top cover is closed by the user's hand during the closing operation of the top cover.

On the upper both sides of the rear cover, an outer side is blocked and a cylindrical first mounting portion having a hole is formed inside, and a semi-cylindrical second mounting portion is formed, and the lower center portion of the upper cover has a first mounting portion of the rear cover and Interposed between the second mounting portions, one side has a protrusion inserted into the hole of the first mounting portion, the other side is formed with a third mounting portion formed with a hole along the longitudinal direction, the mounting member is the second mounting portion of the rear cover It is mounted on top of it to form a through hole.

It is inserted through a hole formed in the through hole formed by the second mounting portion and the mounting member of the rear cover and the third mounting portion of the upper cover, one side is blocked, and the other inner surface has a hole formed with a guide groove in the longitudinal direction Lock shaft housing; A first shaft having a first diameter, the second shaft having a first diameter, formed on one side of the first shaft, and having a second diameter larger than the first diameter, formed on one side of the second shaft, and smaller than the second diameter. A lock shaft having a third diameter, the third shaft having a button mounted on one side thereof, and an outer surface of the second shaft having an insertion protrusion inserted into and guided by a guide groove of the lock shaft housing; It has a substantially cylindrical shape, one side is formed with a cylindrical recess, the other side is formed with a hole through which the third shaft of the lock shaft passes, and the inner circumferential surface of the cylindrical recess is formed when the insertion projection of the lock shaft is closed. A lock body having an insertion protrusion guide protrusion formed on the first side and on the second side in the opening operation; And a spring interposed between the blocked one side of the lock shaft housing and the second shaft of the lock shaft to apply a force to the lock shaft in a direction toward the button.

The insertion protrusion of the lock shaft consists of a first portion of a rectangular cross section and a second portion of a triangular cross section having two hypotenuses, wherein the first side and the second side of the insertion protrusion guide protrusion of the lock body are inserted into the lock shaft. Inclined in correspondence with the inclined surfaces of the first portion and the second portion of the projection.

The leaf spring is formed of a shape memory alloy.

According to the present invention, there is an effect that the folding portable terminal can be easily opened by using the restoring force of the leaf spring by pressing the opening button only once.

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

1 is a perspective view showing a folding portable terminal according to an embodiment of the present invention. Figure 2 is a perspective view from another direction for understanding of a foldable portable terminal according to an embodiment of the present invention. 3 is an exploded perspective view of a folding portable terminal according to an embodiment of the present invention.

According to an embodiment of the present invention, a foldable portable terminal includes: a rear cover (110) having a keypad; An upper cover 120 which is opened and closed in a folder form with respect to the rear cover 110 and having a display screen; A guide plate 130 having a substantially rectangular shape and having both sides in a length direction fixed to the rear cover 110, and a guide pin 132 provided at a center portion in a width direction thereof; Leaf spring 140; A button 150 pressed when the top cover 120 is opened; And a locking mechanism for closing the upper cover 120 by the user's hand during the closing operation of the upper cover 120 to lock the upper cover 120 to the rear cover 110.

The leaf spring 140 has an approximately rectangular shape whose width is smaller than the distance between both sides fixed to the rear cover 110 of the guide plate 130. In addition, the leaf spring 140 may include a first cover 142 fixed to the upper cover 120, a second cover 144 providing a bent portion, and a rear cover slidably movable with respect to the rear cover 110. The third surface portion 146 is interposed between the 110 and the guide plate 130. In the center of the width direction of the third surface portion 146, a guide slot 146a having a width approximately equal to the diameter of the guide pin 132 is formed in the longitudinal direction, so that the guide slot is opened and closed when the upper cover 120 is operated. 146a is configured to be guided by the guide pin 132 of the guide plate 130.

On both sides of the upper portion of the rear cover 110, an outer side is blocked and a cylindrical first mounting portion 112 having a hole is formed inside, and a semi-cylindrical second mounting portion 114 is formed, the upper cover 120 ) Is interposed between the first mounting portion 112 and the second mounting portion 114 of the rear cover 110, the one side has a protrusion (122b) is inserted into the hole of the first mounting portion 112, the other On the side, a third mounting portion 122 having a hole formed along the longitudinal direction is formed, and the mounting member 116 is mounted on the upper portion of the second mounting portion 114 of the rear cover 110 to form a through hole.

4 is a perspective view showing main components in order to explain the locking mechanism of the folding portable terminal according to the embodiment of the present invention. 5 is a perspective view showing the locking mechanism in the closed state of the folding portable terminal according to the embodiment of the present invention. 6 is a perspective view showing a lock mechanism in an open state of a clamshell portable terminal according to an embodiment of the present invention. 7 is a perspective view showing a lock mechanism in an intermediate state between a closed state and an open state of a foldable portable terminal according to an embodiment of the present invention.

The lock mechanism is implemented by the lock shaft housing 160, the lock shaft 170, the lock body 180, and the spring 190.

The lock shaft housing 160 has a through hole formed by the second mounting portion 114 and the mounting member 116 of the rear cover 110 and a hole 122a formed in the third mounting portion 122 of the upper cover 120. It is inserted through), one side is blocked, the other inner surface has a hole in which the guide groove 162 is formed in the longitudinal direction.

The lock shaft 170 is elongated in the longitudinal direction and formed on one side of the first shaft 172 and the first shaft 172 having the first diameter, and the second shaft 174 having the second diameter larger than the first diameter. ), A third shaft 174 is formed on one side of the second shaft 174 and has a third diameter smaller than the second diameter, and on which one button 150 is mounted.

An outer surface of the second shaft 174 is formed with an insertion protrusion 174a inserted into the guide groove 162 of the lock shaft housing 160.

The lock body 180 has a substantially cylindrical shape, one side is formed with a cylindrical recess 182, the other side is formed with a hole 184 through which the third shaft 176 of the lock shaft 170 passes. It is.

The insertion protrusion 174a of the lock shaft 170 is located on the inner circumferential surface of the cylindrical recess 182 on the first side surface 182aa in the closing operation and on the second side surface 182bb in the opening operation. Insertion projection guide projection (182a) is formed so that it is possible.

The spring 190 is interposed between the closed one side of the lock shaft housing 160 and the second shaft 174 of the lock shaft 170 to impart force to the lock shaft 170 in the direction toward the button 150. do.

The insertion protrusion 174a of the lock shaft 170 is composed of a first portion 174aa of a rectangular cross section and a second portion 174bb of a triangular cross section having two hypotenuses, and an insertion protrusion of the lock body 180. The first side 182aa and the second side 182bb of the guide protrusion 182a are inclined surfaces of the first portion 174aa and the second portion 174bb of the insertion protrusion 174a of the lock shaft 170. Correspondingly inclined.

In the present embodiment, the leaf spring 140 is characterized by consisting of a shape memory alloy.

Hereinafter, with reference to the accompanying drawings will be described the operation of the foldable portable terminal according to an embodiment of the present invention.

In the closed state of the folding portable terminal, the upper cover 120 is locked to the rear cover 110 by using the locking mechanism. In this state, when the user presses the button 150, the upper cover 120 pivots out of the rear cover 110 due to the restoring force of the leaf spring 140.

When the opening operation is described in more detail with reference to the leaf spring 140, when the user presses the button 150, the leaf spring 140 interposed between the rear cover 110 and the guide plate 130 is guide plate ( As the guide slot 146a is guided by the guide pin 132 of 130, the leaf spring 140 is returned to the unfolded shape, which is an originally stored shape, and the upper cover 120 pivots from the rear cover 110. Open.

The folding portable terminal once opened maintains the open state by the restoring force of the leaf spring 140.

At this time, when the user turns in the direction of closing the top cover 120 with a force against the restoring force of the leaf spring 140, the folding portable terminal is gradually closed, and when the state is completely closed, the lock mechanism is operated The upper cover 120 is completely locked to the rear cover 110.

With this clamshell portable terminal closed and locked, the first portion 174bb of the insertion protrusion 174a of the lock shaft 170 is the first side 182aa of the insertion protrusion guide protrusion 182a of the lock body 180. ) Is deeply located in the button direction by the force of the spring 190.

At this time, when the user presses the button 150 to open the folding portable terminal, the first portion 174bb of the insertion protrusion 174a of the lock shaft 170 is inserted into the insertion protrusion guide protrusion of the lock body 180. Retracts in contact with the first side 182aa of 182a.

Subsequently, when the button 150 is pressed, the first portion 174bb of the insertion protrusion 174a of the lock shaft 170 is the end of the first side 182aa of the insertion protrusion guide protrusion 182a of the lock body 180. In this case, the insertion protrusion 174a of the lock shaft 170 is pivoted by the restoring force of the leaf spring 140.

In this case, when the upper cover 120 pivots and moves in a fully open state with respect to the rear cover 110, the insertion protrusion 174a of the lock shaft 170 is the second side surface 182bb of the insertion protrusion guide protrusion 182a. ) Moves deeper in the direction of the button 150. Of course, even at this time, the force of the spring 190 acts so that the insertion protrusion 174a of the lock shaft 170 is maintained in this state stably.

On the contrary, when the user pivots and moves the upper cover 120 in the closing direction by using the hand, the insertion protrusion 174a of the lock shaft 170 is along the second side 182bb of the insertion protrusion guide protrusion 182a. Move in the opposite direction of the button 150.

Subsequently, when the upper cover 120 is pivoted, the insertion protrusion 174a of the lock shaft 170 pivots at the end of the second side surface 182bb of the insertion protrusion guide protrusion 182a and is again inserted into the insertion protrusion guide protrusion 182a. While moving deeply in contact with the first side 182aa, the biasing force of the spring 190 acts to keep the insertion protrusion 174a of the lock shaft 170 stable.

Although the present invention has been described as a specific preferred embodiment, the present invention is not limited to the above-described embodiments, and the present invention is not limited to the above-described embodiments without departing from the gist of the present invention as claimed in the claims. Anyone with a variety of variations will be possible.

1 is a perspective view showing a folding portable terminal according to an embodiment of the present invention.

Figure 2 is a perspective view from another direction for understanding of a foldable portable terminal according to an embodiment of the present invention.

3 is an exploded perspective view of a folding portable terminal according to an embodiment of the present invention.

4 is a perspective view showing main components in order to explain the locking mechanism of the folding portable terminal according to the embodiment of the present invention.

5 is a perspective view showing the locking mechanism in the closed state of the folding portable terminal according to the embodiment of the present invention.

6 is a perspective view showing a lock mechanism in an open state of a clamshell portable terminal according to an embodiment of the present invention.

7 is a perspective view showing a lock mechanism in an intermediate state between a closed state and an open state of a foldable portable terminal according to an embodiment of the present invention.

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

110: rear cover 120: top cover

130: guide plate 140: leaf spring

150: button 160: lock shaft housing

170: lock shaft 180: lock body

190: spring

Claims (5)

A rear cover 110 having a keypad; An upper cover 120 which is opened and closed in a folder form with respect to the rear cover 110 and having a display screen; A guide plate 130 having a substantially rectangular shape and having both sides in a length direction fixed to the rear cover 110, and a guide pin 132 provided at a center portion in a width direction thereof; The second surface having a substantially rectangular shape having a width smaller than the distance between both sides fixed to the rear cover 110 of the guide plate 130, and fixed to the upper cover 120, the second providing a bent portion It has the surface part 144 and the 3rd surface part 146 interposed between the back cover 110 and the guide plate 130 so that a slide movement is possible with respect to the back cover 110, The width direction of the 3rd surface part 146 is carried out. In the center, a guide slot 146a substantially equal in width to the diameter of the guide pin 132 is formed in the longitudinal direction, so that the guide slot 146a is guide plate 130 during the opening and closing operation of the upper cover 120. Leaf spring 140 guided by the guide pin 132 of; A button 150 pressed when the top cover 120 is opened; And Folding mechanism characterized in that it comprises a; locking mechanism to lock the upper cover 120 to the rear cover 110 when the upper cover 120 is closed by the user's hand during the closing operation of the upper cover 120 . The method of claim 1, On both sides of the upper portion of the rear cover 110, an outer side is blocked and a cylindrical first mounting portion 112 having a hole is formed inside, and a semi-cylindrical second mounting portion 114 is formed, the upper cover 120 ) Is interposed between the first mounting portion 112 and the second mounting portion 114 of the rear cover 110, the one side has a protrusion (122b) is inserted into the hole of the first mounting portion 112, the other The side is formed with a third mounting portion 122 in which a hole is formed along the longitudinal direction, and the mounting member 116 is mounted on the upper portion of the second mounting portion 114 of the rear cover 110 to form a through hole. Clamshell portable terminal. The method of claim 2, The through hole formed by the second mounting part 114 and the mounting member 116 of the rear cover 110 and the hole 122a formed in the third mounting part 122 of the upper cover 120 are inserted. A lock shaft housing 160 which is blocked and has a hole in which the guide groove 162 is formed in the longitudinal direction on the other inner surface thereof; The first shaft 172 is formed long in the longitudinal direction and has a first diameter, the second shaft 174, the second shaft formed on one side of the first shaft 172 and having a second diameter larger than the first diameter ( A third shaft 176 formed on one side and having a third diameter smaller than the second diameter, and having a button 150 mounted on one side, the outer surface of the second shaft 174 having a lock shaft housing; A lock shaft 170 formed with an insertion protrusion 174a inserted into the guide groove 162 of the 160; It has a substantially cylindrical shape, a cylindrical recess 182 is formed on one side, a hole 184 through which the third shaft 176 of the lock shaft 170 passes, and a cylindrical recess is formed on the other side. Insertion to allow the insertion protrusion 176a of the lock shaft 170 to be positioned on the first side surface 182aa in the closing operation and on the second side surface 182bb in the opening operation. A lock body 180 in which protrusion guide protrusions 182a are formed; And A spring 190 interposed between the blocked one side of the lock shaft housing 160 and the second shaft 174 of the lock shaft 170 to impart force to the lock shaft 170 in the direction toward the button 150; By; the lock mechanism is implemented by a foldable portable terminal. The method of claim 3, wherein The insertion protrusion 174a of the lock shaft 170 is composed of a first portion 174aa of a rectangular cross section and a second portion 174bb of a triangular cross section having two hypotenuses, and an insertion protrusion of the lock body 180. The first side 182aa and the second side 182bb of the guide protrusion 182a are inclined in correspondence with the hypotenuse of the first portion 176aa of the insertion protrusion 176a of the lock shaft 170. Type portable terminal. The method of claim 1, Leaf spring 140 is a folding portable terminal, characterized in that formed of a shape memory alloy.

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