KR100991785B1 - A Slide-Rotation Type Mobile Phone - Google Patents

Abstract

The present invention relates to a rotary slide mobile communication terminal. In the rotary slide type mobile communication terminal of the present embodiment, in the rotary type mobile communication terminal in which the first and second housings are opened and closed by relative rotation in the left and right directions, the rotary slide type mobile communication terminals vertically penetrate the contact surfaces of the first housing and the second housing. A cylindrical rotary hinge, standing up to allow relative rotation with respect to the first housing of the second housing; A torsion spring condensed on an outer diameter of the rotary hinge, one end of which is fixed to the first housing, and the other end of which is fixed to the second housing, for applying an elastic restoring force to the relative rotation of the first and second housings; Fixing means for allowing the first and second housings to rotate relative to each other to close the terminal against the accumulated elastic restoring force; And it characterized in that it comprises a switch for selectively operating the fixing means to enable automatic opening of the terminal.

Rotary, terminal, torsion spring, auto, switch

Description

Rotation slide type mobile communication terminal {A Slide-Rotation Type Mobile Phone}

1 is a perspective view illustrating a conventional rotary slide type mobile communication terminal.

Figure 2 is an exploded perspective view illustrating a conventional rotary slide type terminal.

Figure 3 is a cutaway cross-sectional view illustrating a rotary slide mobile communication terminal according to an embodiment of the present invention.

Figure 4 is an exploded perspective view illustrating a rotary slide mobile communication terminal according to an embodiment of the present invention.

5A and 5B are perspective views illustrating an operating state of the terminal of the embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

100 ...... Mobile communication terminal 120 ...... Top housing

130 ...... lower housing 150 ...... rotating hinge

151 ...... FPCB 153 ...... Torsion Spring

155 ...... Stopper protrusion 156 ...... Stopper groove

157 ...... Restore spring 159a .....

159b ..... Release Bump

The present invention relates to a mobile communication terminal, and more particularly, to a rotary slide-type mobile communication terminal which is open by automatic rotation and which is capable of stable on / off operation by supplementing instability in automatic rotation.

1 is a perspective view illustrating a conventional rotating slide type mobile communication terminal, and FIG. 2 is an exploded perspective view illustrating a main part and a rotating hinge part of the terminal.

The conventional rotary slide type mobile communication terminal 10 includes an upper housing 20 provided with a main display screen 21, a lower housing 30 provided with a key input device 31 and a main PCB, and an upper housing. Rotating hinge 40 to allow the left and right relative rotation of the lower housing 30 of the (20).

Since the conventional rotary slide type mobile communication terminal 10 is a mobile communication terminal in which the terminal is opened and closed by rotation in the left and right directions with respect to the lower housing 30 of the upper housing 20, the rotary hinge 40 is provided at the upper portion thereof. The housing 20 and the lower housing 30 are respectively perpendicular to the form.

Rotating hinge 40 has a cylindrical rotating pin 41 and the rotating pin 41 is rotatably condensed to the outer side, the rotation shaft 43 is fixed to the lower housing (30).

In addition, the hinge housing 45 covers the upper portion of the rotary shaft 43 to protect the components of the rotary hinge 40, and the hinge housing 45 is rotated by the screw 47. It is fastened to the through-hole 41a built in. In addition, because the hinge housing 45 is fixedly installed in the upper housing 20, the upper housing 20 is integrated with the hinge housing 45 and the rotary pin 41 to rotate.

In addition, the cam follower 46 which is guided by the guide cam 44 and the guide cam 44 of the mountain shape formed on the upper surface of the rotary shaft 43 is moved in and out of the conventional hinge housing 45. ) And a coil spring 48 which is condensed on the cam follower 46 and accumulates elastic restoring force in accordance with the shank east of the cam follower 46.

When the user wants to rotate and open the conventional rotary slide type mobile communication terminal 10 having the above configuration, the user moves the upper housing 20 to the left or the right. In this case, the cam follower 46 moves along the inclination of the mountain guide cam 44 and the elastic restoring force of the spring 48 acts during the movement.

However, when the force exerted by the user on the upper housing 20 reaches a certain size, the cam follower 46 passes through the highest point of the mountain guide cam 44, and from this point, the upper housing (by the elastic restoring force of the spring 48). Automatic rotation of the lower housing 30 of 20 is possible.

On the contrary, even when the terminal 10 is closed, if the force applied by the user to the upper housing 30 reaches a certain size, the cam follower 46 passes the highest point of the guide cam 44 and the elastic restoring force of the spring 48 from the point. The upper housing 20 is automatically rotated by the terminal is closed.

However, the conventional mobile communication terminal having the above configuration has the following limitations.                         

In the case of the conventional rotary slide type mobile communication terminal 10, the upper housing 20 is raised and lowered as the upper housing 20 rotates, so that rotation is unstable, and the upper housing 20 of the FPCB for signal transmission. ) And the lower housing 30 has a problem that the connection structure is not considered.

In addition, during opening and closing, the upper housing 20 must be manually moved up to a certain angle in the rotational direction. In this case, it is difficult to move with one hand and two hands must be used.

An object of the present invention, in the mobile communication terminal slide opening and closing by the automatic rotation, to implement a rotating slide-type mobile communication terminal that can be stable operation to compensate for the instability of the terminal housing during automatic opening and closing.

In the rotary slide type mobile communication terminal according to the present invention for achieving the above object, the first housing and the second housing in the rotary type mobile communication terminal is opened and closed by relative rotation on the same plane, the first housing and the second A cylindrical rotary hinge which is erected vertically through the contact surface of the housing to allow relative rotation of the second housing relative to the first housing; A torsion spring condensed on an outer diameter of the rotary hinge, one end of which is fixed to the first housing, and the other end of which is fixed to the second housing, for applying an elastic restoring force to the relative rotation of the first and second housings; Fixing means for allowing the first and second housings to rotate relative to each other to close the terminal against the accumulated elastic restoring force; And it characterized in that it comprises a switch for selectively operating the fixing means to enable automatic opening of the terminal.

The fixing means includes a stopper protrusion formed to be bent in a u-shape in an outward direction from an inner end of the rotary hinge; And a stopper groove formed in the first housing into which the outer upper end of the stopper protrusion is inserted.

The switch is a rotary hinge for selectively coupling the stopper protrusion to the stopper groove, wherein the stopper protrusion leaves the stopper groove when the rotary hinge is pressed and the terminal is automatically rotated and opened by an elastic restoring force. .

The casing of the first housing and the second housing is characterized in that the fixing groove for fixing one end and the other end of the torsion spring, respectively.

An anti-separation rib is protruded from the outer circumferential surface of the rotary hinge, and the anti-separation jaw having a shape corresponding to the anti-separation rib is formed in the second housing to prevent the second housing from escaping from the rotary hinge.

The first housing is characterized in that the restoring spring for fixing the elastic restoring force in the outward direction in response to the pressing force of the rotary hinge is fixed.

It is characterized in that the rotation preventing means for preventing the relative rotation of the second housing relative to the rotary hinge.

One of the first and second housings are formed with a U-shaped rotation guide protrusion on the contact surface with the other to the outside, and a U-shaped rotation guide for rotating the guide guide to rotate in the state where the rotation guide projection is inserted on the other contact surface Characterized in that the jaw is provided.

The present invention enables the automatic opening of the rotary slide-type mobile communication terminal by the configuration as described above, while the center of rotation is placed on the rotary hinge acting as a switch in the opening and closing process can prevent the movement of the housing in the rotating process Thereby, it becomes possible to ensure the stability of rotation.

Hereinafter, a configuration of a preferred embodiment of a rotary slide mobile communication terminal according to the present invention having the above configuration will be described in detail with reference to the accompanying drawings.

3 is a cutaway cross-sectional view illustrating a rotary slide-type mobile communication terminal according to the present embodiment, and FIGS. 4A, 4B and 4C are exploded perspective views illustrating main parts of the mobile communication terminal according to the present embodiment, respectively. 5A and 5B are perspective views illustrating an operating state of the terminal of the present embodiment.

The rotating slide-type mobile communication terminal 100 of the present exemplary embodiment has an upper housing 120 having a main display screen 121, a lower housing having a key input device 131 and a main PCB 132 ( 130 and a rotation hinge 150 that enables horizontal rotation of the upper housing 120 with respect to the lower housing 130.

The rotating hinge 150 of the present embodiment is installed to vertically penetrate the contact surfaces 120`, 130` of the upper housing 120 and the lower housing 130 in a cylindrical shape with the upper surface closed, and the inside of the rotating hinge 150 In the upper and lower housing 120 is installed FPCB 151 for signal transmission through.                     

The outer circumference of the rotary hinge 150 of the present embodiment is provided with a torsion spring 153 for applying an elastic restoring force to the relative rotation of the upper housing 120, one end of the torsion spring 153 is formed in the upper housing 120 It is fixed to the fixing groove (152a), the other end is fixedly installed in the fixing groove (152b) formed in the lower housing (130).

Therefore, in the case of relatively rotating the upper housing 120, the elastic restoring force in the rotational direction is exerted on the torsion springs 153, the ends of which are fixed to the upper and lower housings 120 and 130, respectively, by the elastic restoring force of the terminal 100 Open is possible.

When the upper housing 120 is rotated and closed in response to the elastic restoring force of the torsion spring 153, the elastic restoring force is continued even when the upper housing 120 is closed, so that the terminal 100 is provided with a fixing means for maintaining the closed state. It is preferable to make it.

In the present embodiment, the fixing means includes a stopper protrusion 155 having a u-shape toward the outer side from the lower end of the rotary hinge 150, and a stopper groove formed in the lower housing 130 so that the stopper protrusion 155 can span. 156.

When the upper housing 120 is rotated and placed in the closed position, when the stopper protrusion 155 spans the stopper groove 156 to fix the upper housing 120 and the rotary hinge 150 is pressed upward, the stopper The protrusion 155 is released from the stopper groove 156, the upper housing 120 is rotated by the elastic restoring force of the torsion spring 153, and the terminal 100 is in an open state.

In addition, the stopper grooves are formed at positions of 0 degrees and 180 degrees, respectively, and are coupled to the stopper protrusions in the open and closed states, respectively, so that the stopper grooves can be used stably in the closed and open states as well as the rotational movement of the terminals. .

And, in the present embodiment, when the rotary hinge 150 is pressed by a resilient restoring force is provided with a restoring means to return to the original position in the vertical direction in the vertical direction, the restoring means of the present embodiment is a lower housing ( 130 is a restoring spring 157 that is installed in the casing of 130 and applies an elastic restoring force upwardly to the rotation hinge 150.

In this embodiment, there is no separate switch for selectively controlling the relative rotation of the upper housing 120 for opening of the terminal 100, the rotary hinge 150 itself acts as a switch, the rotary hinge 150 The terminal 100 can be opened by pressing.

In the rotary hinge 100 of the present embodiment, the FPCB 151 for signal transmission between the upper and lower housings 120 and 130 penetrates through the inside of the rotary hinge 150, and the lower housing 130 for the rotary hinge 150 is rotated. It is preferable to have means for guiding the FPCB 151 so that the FPCB 151 is not twisted or damaged by relative rotation.

And, in the upper half of the rotary hinge 151 of the present embodiment, the hole 158 through which the FPCB 151 penetrates so that the FPCB 151 connected to the lower housing 130 can be connected to the LCD module of the upper housing 120. This structure is formed on the outer circumferential surface.

In the case of the rotary slide-type mobile communication terminal 100 of the present embodiment, since the rotary hinge 150 is not fixed to either the upper housing 120 or the lower housing 130, the upper housing 120 rotates. Since the FPCB 151 may be twisted when rotating about the hinge 150, an anti-rotation stopper (not shown) that can prevent relative rotation of the rotating hinge 150 may be rotated by the hinge 150 or the upper housing ( It is preferable to provide it to the casing of 120).

In addition, in the present embodiment, the separation prevention means is provided to prevent the upper housing 120 from escaping from the rotation hinge 150 in the process of operating the terminal 100. The separation preventing means of the present embodiment, the separation prevention ribs 159a protruding from the upper outer peripheral surface of the rotary hinge 150 and the separation prevention jaw 159b formed in the casing of the upper housing 120 corresponding to the separation prevention ribs 159. ).

In the present embodiment, the upper housing 120 and the lower housing 130 are provided with means for guiding relative rotation. The guide means of the present embodiment is a U-shaped rotary guide groove 133 formed on the contact surface with the upper housing 120 of the lower housing 130, and on the contact surface with the lower housing 130 of the upper housing 120. It is rotated downward in the U-shape to include a rotary guide projection 123 to rotate in engagement with the rotary guide groove 133.

The following describes the operation of the rotary slide type mobile communication terminal having the configuration as described above.

When the terminal 100 of the present embodiment is to be closed after being used in the open state, the upper housing 120 is rotated in the horizontal direction in response to the elastic restoring force of the torsion spring 153 to rotate the upper housing 120 in the lower housing. To be placed in a position overlapped with 130. In this state, the stopper protrusion 155 is inserted into the stopper groove 156, so that the closed state is maintained despite the elastic restoring force by the torsion spring 153.

When opening and using the terminal 100, the rotary hinge 150 is pushed downward. When the rotary hinge 150 moves downward, the stopper protrusion 155 is separated from the stopper groove 156.

At this time, the upper housing 120 is rotated relative to the lower housing 130 by the elastic restoring force of the torsion spring 153, the terminal 100 is in an open state, the key provided in the lower housing 130 It is possible to operate the terminal using the input device 131.

The scope of the present invention is not limited to the above embodiments, but is determined by the matters described in the claims, and it is obvious that the present invention includes various modifications and adaptations made by those skilled in the art in the same range as the matters described in the claims.

The present invention enables the automatic opening of the rotary slide-type mobile communication terminal by the above configuration, it is possible to be placed in the hinge housing acting as a switch in the on-off process to ensure the stability of the rotation Done.

By ensuring the stability of the terminal opening process by the automatic rotation, it becomes possible to improve the use satisfaction of the rotary slide type terminal.

Claims (8)

In the rotatable mobile communication terminal in which the first and second housings are opened and closed by relative rotation on the same plane, A cylindrical rotating hinge which is vertically erected to penetrate the contact surface of the first housing and the second housing to allow relative rotation of the second housing and the first housing; A torsion spring installed condensed on an outer diameter of the rotating hinge, one end of which is fixed to the first housing and the other end of which is fixed to the second housing, and to which an elastic restoring force is applied to the relative rotation of the first and second housings; ; Fixing means for allowing the first and second housings to rotate relative to each other to close the terminal against the accumulated elastic restoring force; And And a switch for selectively operating the fixing means to enable automatic opening of the terminal. The method of claim 1, wherein the fixing means, A stopper protrusion formed to be bent in a u-shape in an outward direction from an inner end of the rotary hinge; And a stopper groove formed in the first housing into which the outer upper end of the stopper protrusion is inserted. The terminal of claim 2, wherein the switch is a rotary hinge for selectively coupling the stopper protrusion to the stopper groove, and when the rotary hinge is pressed, the stopper protrusion leaves the stopper groove and the terminal is automatically rotated by an elastic restoring force. Rotating slide-type mobile communication terminal, characterized in that open. The mobile terminal of claim 1, wherein fixing casings for fixing one end and the other end of the torsion spring are formed in the casings of the first and second housings, respectively. The method according to any one of claims 1 to 3, wherein the departure prevention ribs protrude from the outer peripheral surface of the rotary hinge, The second housing has a sliding slide type mobile communication terminal, characterized in that the departure prevention jaw having a shape corresponding to the separation prevention ribs in order to prevent the second housing from being separated from the rotation hinge. The rotating slide type mobile communication terminal of claim 5, wherein the first housing is fixedly provided with a restoring spring for applying an elastic restoring force in an outward direction in response to a force pushing the rotating hinge. The mobile terminal of claim 5, further comprising rotation preventing means for preventing relative rotation of the second housing with respect to the rotating hinge. According to any one of claims 1 to 3, One of the first and the second housing is formed with a rotation guide projection in the c-shaped outward on the contact surface with the other, The rotary slide type mobile communication terminal, characterized in that the U-shaped rotation guide jaw for guiding the rotation in the state where the rotation guide projection is inserted on the other contact surface.

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