KR100570724B1 - Sliding type opening and closing mechanism of cellular phone - Google Patents

Abstract

Disclosed is a sliding type switching device for a portable terminal. The disclosed switchgear includes a first plate coupled to the first body, a second plate coupled to the second body and slidably coupled to the first plate, an elastic member for generating a tension force, and a first plate of the first plate. It consists of two or more link strings connecting the point and the second point of the second plate, each link string consisting of two or more links having one or more inflection points, and the two or more link strings are subjected to the tensile force of the elastic member. It has a power switching member for generating an elastic force in the direction to open the first point and the second point. The opening and closing device uses a tension spring having a strong elastic force as the elastic member, and by effectively transmitting the elastic force to the second plate, the opening and closing operation of the second body is made smooth and the closed state and the open state are firmly maintained. There is.

Terminal, sliding, opening and closing

Description

SLIDING TYPE OPENING AND CLOSING MECHANISM OF CELLULAR PHONE}

1 is an exploded perspective view of a portable terminal according to a first embodiment of the present invention;

Figure 2 is a perspective view of the coupled state showing the closed state of the opening and closing device shown in Figure 1,

3 is a perspective view of the second plate partially opened in FIG.

4 is a perspective view of the second plate in the fully opened state in FIG.

<Explanation of symbols for main parts of drawing>

100: first plate 102: guide ball

110: second plate 112: guide shaft

120: tension spring 130: link

132: first fixing pin 134: second fixing pin

136: refractive pin

The present invention relates to a sliding type switchgear of a portable terminal, and in particular, when a force is initially applied to a second body of the portable terminal, it is automatically opened or closed by a slide method, and is connected to the switchgear in an open state and a closed state. It relates to a sliding type opening and closing device of a portable terminal to maintain a stopped state by.

Recently, as the penetration rate of portable wireless terminals increases, additional functions that are suitable for the user's taste are required for the portable terminal, as well as simple functions of wireless communication.

In response to these demands, portable terminals have evolved from a general bar type to a flip type, a flip up type, a folder type, and the like. To achieve.

This is because the folder type terminal has enough space for adopting the wide LCD module as the display device, and because the portable terminal is folded in half, the portability is superior to other terminals.

On the other hand, it is possible to have a display device having a wide LCD module of a similar size as a folder type terminal, and at the same time, a slide type terminal capable of contributing to the miniaturization of the terminal is known.

Such a slide type terminal has an additional advantage that the sub body corresponding to the cover is opened and closed by a sliding operation on the first body, and is opened and closed by a new operation while maintaining the advantages of the existing folder type terminal.

As such a slide type terminal, a sliding type portable wireless terminal is disclosed in Utility Model Registration Application No. 2003-0000136.

The terminal disclosed in this application includes a guide means for guiding a second body on a first body, and a pressing force in an opening direction or a closing direction based on a predetermined sliding position of the second body between the second body and the first body. At least one elastic means is installed to change the direction of the. In addition, the second body can maintain the maximum open position or the maximum closed position without a separate stopper when the second body is fully opened or closed by the elastic means. As such elastic means, a torsion spring is adopted in which one end is fixed to the first body and the other end is fixed to the second body.

In this terminal, one end of the torsion spring is fixed to the first body and the other end is fixed to the second body, so that the torsion spring is elastically applied over the entire travel distance of the second body. You lose. For this reason, the torsion spring used a large elasticity while the operation was large, and two torsion springs were arranged to compensate for the insufficient elastic force.

However, in such a conventional switchgear, the torsion spring is greatly deformed, and thus there is a problem in that the torsion spring is easily aged due to fatigue due to repeated operation, and thus loses its normal function early.

In addition, two torsion springs are used, but the elastic force is not strong. Therefore, the opening and closing operation of the second body was not smooth, and there was a problem in that the second body flowed because the second body could not be firmly fixed in its closed and open state.

The present invention has been made to solve the above problems, an object of the present invention is to open or close automatically and in a sliding manner when a force is applied to the second body of the portable terminal only in the initial state and closed In order to generate a stopping force by the switchgear in the state.

The present invention for achieving the above object, in a portable terminal having a first body, and a second body that is opened and closed by sliding in one direction from the first body,

A first plate coupled to the first body; A second plate coupled to the second body and slidably coupled to the first plate; An elastic member for generating a tensile force; And at least two link strings connecting the first point of the first plate and the second point of the second plate, each link string consisting of at least two links having at least one refractive point. The above link train provides a sliding type opening and closing device of a portable terminal including a power switching member for generating an elastic force in a direction to open the first point and the second point by receiving the tensile force of the elastic member.

The power switching member may apply an elastic force in the direction of closing the second plate when the second plate is in the closed position on the basis of the inflection point of the movement path of the second plate, and may be in the open position of the second plate. In this case, an elastic force is applied in the opening direction to the second plate.

The power switching member makes the movement distance in the direction in which the second plate is opened shorter than the movement distance in the direction in which the second plate is closed.

Hereinafter, a description will be given of a preferred embodiment of a portable terminal to which the present invention as described above is embodied.

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

A keypad is mounted on the surface of the first body constituting the portable terminal, and a main board for performing various functions is embedded therein. The second body is provided with a liquid crystal display, and the second body and the first body are electrically connected to each other through the flexible PC.

The first plate 100 is coupled to the first body, the second plate 110 is coupled to the second body and coupled to slide in one direction to the first plate 100.

To this end, the guide shaft 112 is fixed to the second plate 110, and the guide hole 102 to which the guide shaft 112 is slidably coupled to the first plate 100 is formed.

The elastic member is composed of a tension spring 120 for generating a tensile force.

The power switching member is composed of two or more link strings connecting the first point of the first plate 100 and the second point of the second plate 110, and each link string includes two or more link points having one or more refractive points. Links 130. In addition, the two or more link trains generate an elastic force in a direction to open the first point and the second point by receiving the tensile force of the tension spring 120.

Each link string consists of two links 130, each two links 130 being refracted by the deflection pins 136. One end of the link 130 constituting each link string is rotatably coupled to the first plate 100 by the first fixing pin 132 at the first point, and each link string is connected to the second point. The other end of the link 130 to be configured is rotatably coupled to the second plate 110 by the second fixing pin 134.

The power switching member applies an elastic force in the direction of closing to the second plate 110 when the second plate 110 is in the closed position on the basis of the inflection point of the movement path of the second plate 110, and the second plate. When the 110 is in the open position, an elastic force is applied in the opening direction to the second plate 110.

In addition, the power switching member is installed such that the movement distance in the direction in which the second plate 110 is opened is shorter than the movement distance in the direction in which the second plate 110 is closed. This is intended to facilitate the operation of opening the second body by making it smaller than the width pushing when closing the second body.

On the other hand, the second plate 110 is provided with a separate stopper (not shown) for limiting the movement of the second plate 110 in a completely closed state and a fully open state in the first plate 100.

The operation of the present embodiment will be described below.

In the state in which the second body of the terminal is closed to the first body, as shown in FIG. At this time, the second plate 110 coupled to the second body is maintained in the closed state by the pushing force of the link 130 receives the elastic force of the tension spring 120.

In this state, when the second body is pushed by hand to open the terminal, the second body and the second plate 110 slide together. At this time, the guide shaft 112 fixed to the second plate 110 moves along the guide hole 102 of the first plate 100, so that the second plate 110 can perform a good linear motion.

When the second plate 110 starts to open, the first plate 100 and the second plate 110 push the opposite ends of the link 130 to form the first fixing pin 132 and the second fixing pin 134. Keep the gap closer. Accordingly, as the tension spring 120 expands and the elastic force increases, the tension spring 120 acts as a force that prevents the second plate 110 and the second body from being opened.

When the second plate 110 overcomes the disturbing force and continues to move past the inflection point as shown in FIG. 3, the link 130 is opened in the direction in which the second plate 110 is opened by the elasticity of the tension spring 120. Since it is pushed, the second plate 110 is automatically moved to the open position even if no force is applied to the second body and the second plate 110 from this time.

Since the distance from the closed position of the second plate 110 to the inflection point receiving the elastic force in the opening direction of the second plate 110 is shorter than the remaining distance, it is easy to open the second plate 110 and the second body. It is done.

As shown in FIG. 4, when the second body is completely opened, the second plate 110 is maintained in the open state by the pushing force of the link 130 receiving the elastic force of the tension spring 120.

Since the keypad is exposed when the second body is opened, the user can use the unique function of the terminal.

On the other hand, to close the terminal while the second body is open, the user pushes the second body by hand in the opposite direction as in the open operation. The close operation of the second body is performed in the reverse order of the open operation.

When the second body reaches the closed position, the second plate 110 is maintained in the closed state by the pushing force of the link 130 that is subjected to the elastic force of the tension spring 120.

As described above, the portable terminal of the present invention uses a tension spring having a relatively stronger elastic force than a torsion spring, and efficiently transmits the elastic force to the second plate, thereby smoothly opening and closing the second body. There is an effect that the state and the open state are firmly maintained.

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 (4)

A portable terminal having a first body and a second body that slides in one direction from the first body and is opened and closed, A first plate coupled to the first body; A second plate coupled to the second body and slidably coupled to the first plate; An elastic member for generating a tensile force; And It consists of two or more link strings connecting the first point of the first plate and the second point of the second plate, each link string consists of two or more links having one or more inflection points, The link train is a sliding type opening and closing device of a portable terminal comprising a power switching member for generating an elastic force in the direction to open the first point and the second point by receiving the tensile force of the elastic member. The sliding type opening and closing device of a portable terminal according to claim 1, wherein the elastic member is formed of a tension spring. The method according to claim 1, wherein the power switching member, when the second plate is in the closed position on the basis of the inflection point of the movement path of the second plate to apply an elastic force in the closing direction to the second plate, the second plate Is in the open position sliding type opening and closing device of a portable terminal, characterized in that to apply an elastic force in the opening direction to the second plate. The method of claim 1, wherein the power switching member, the sliding type opening and closing device of a portable terminal, characterized in that the movement distance in the direction in which the second plate is opened shorter than the movement distance in the direction in which the second plate is closed.

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