KR100876552B1 - Elasticity lever mechanism for mobile phone - Google Patents

Abstract

An elastic lever mechanism for a portable terminal is provided to improve assembly strength and make exact rectilineal reciprocation possible by forming a central support stand at both sides of a connection part. An elastic lever mechanism for a portable terminal comprises the followings: the first supporting lever(20) consisting of a connection part which forms a "H" shape with respect to a support stand; a pair of second supporting levers(30,40) installed so as to be face each other at both sides of the first supporting lever; and a plurality of elastic members(60) installed between the connection part of the first supporting lever and the second supporting levers.

Description

Elastic lever mechanism for mobile terminal {Elasticity Lever Mechanism for Mobile Phone}

The present invention relates to an elastic lever mechanism for a mobile terminal and a slide cover opening and closing device using the same, and more particularly, to support an elastic member so as to exert elastic force at once and force acting in the correct direction, and excellent strength and reduced parts. And it relates to an elastic lever mechanism for a mobile terminal and a slide cover opening and closing device using the same, which is configured in a thin and simple structure to enable the improvement of assembly.

In general, in order to use services such as broadcasting and communication wirelessly while moving in places other than a fixed location, mobile terminals such as mobile phones, PDAs, notebook computers, and DMB phones are frequently used.

The portable terminal is one of the essential necessities indispensable in order to enjoy the convenience of life according to the development of the information industry, and the mobile phone is widely distributed to elementary, middle and high school students and the elderly.

In the portable terminal as described above, various methods are applied to open and close the cover, which can be divided into a hinge method, a slide method, and a swing method.

In particular, the portable terminal for opening and closing the cover by the slide method is one of the most widely applied in recent years because of various advantages such as easy to use, less trouble, easy to apply to the sleek and slim design.

The basic structure of the mobile terminal for opening and closing the cover by the slide method is a configuration for sliding the cover installed in the display unit up and down from the main body in which the keypad is installed, the conventional sliding type cover for a mobile terminal of various structures based on the basic structure Switchgear is being manufactured around various manufacturers.

For example, the conventional sliding cover opening and closing device for a mobile terminal is made of a first sliding member fixed to the main body of the mobile terminal, a plate shape and fixed to the cover of the mobile terminal and slidable to the first sliding member. And are rotatably coupled to both ends of the second sliding member and the first sliding member and the second sliding member so that the sliding of the first sliding member and the second sliding member is made easier and smoother. It is composed of an elastic member.

In the elastic member, as the user applies the force to the cover until the second sliding member slides for a certain period in the open or closed state of the portable terminal, the rest of the cover is naturally made to slide by the elastic restoring force. It is composed.

The slide cover opening and closing device for a mobile terminal according to the related art is used as an elastic member such as a coil spring or a torsion spring, in which case the first sliding member and the second sliding member come into contact with each other when the cover is opened and closed. Since this is done, the first sliding member and the second sliding member are damaged such as scratches.

In the case of manufacturing the elastic member using a metal material, it is difficult to manufacture and the productivity decreases because a ring-shaped ring portion for rotatably coupling to the first sliding member and the second sliding member must be formed at both ends of the elastic member. do.

In addition, the elastic member is in contact with the first sliding member and the second sliding member, etc., causing noise and frictional resistance, such as to interfere with the opening and closing operation.

In addition, since the elastic member may flow up and down, there is a possibility that an accurate and smooth opening and closing operation may not be performed.

The present invention has been made in view of the above problems, by holding a plurality of elastic members together, and exhibits the elastic force of the elastic member through a lever that is slidably coupled to each other, the elasticity is excellent and the elastic force acts in the correct direction It is an object of the present invention to provide an elastic lever mechanism for a portable terminal and a slide cover opening and closing device using the same.

Another object of the present invention is to reduce the production process and parts by taking a thin, simple and excellent strength structure, not only to improve productivity, but also to reduce the manufacturing cost, the elastic lever mechanism for a mobile terminal and a sliding cover using the same To provide a switchgear.

The elastic lever mechanism for a mobile terminal proposed by the present invention includes a first support lever having an "H" shape, comprising a pair of supports positioned at regular intervals and a connecting portion connecting the center portion of the support, and the first support lever. A pair of support grooves, each of which is assembled to be slidably supported, are provided with a pair of second support levers installed on both sides of the first support lever, and the pair of second support levers respectively support the first support levers. It includes a plurality of elastic members which are respectively installed between the connecting portion of the first support lever and the pair of second support lever to always apply a force in a direction away from the connecting portion of the.

In the above, both ends of the support of the first support lever is formed with a locking projection, the support groove of the second support lever may be formed a locking step corresponding to the locking projection.

The first support lever may include a plurality of ribs extending from the connecting portion at regular intervals on both sides, and an assembly hole may be formed in the second support lever to slidably assemble the ribs. .

In addition, the first support lever further comprises a central support extending from both sides in the center of the connecting portion is formed, the central support groove is further formed in the center of the second support lever slidably assembled the central support. It is also possible.

Furthermore, in the above, the first support lever further comprises a reinforcing part formed by bending the widthwise central portion of the connecting part, and the second support lever may include a rotation support part formed at one corner.

The elastic member is installed by forming a cylindrical shape by winding the circumference of the rod in a spiral shape.

In addition, the sliding cover opening and closing device for a mobile terminal proposed by the present invention includes a first sliding member having a plate shape, a second sliding member slidably coupled to the first sliding member, and the first sliding member and the second sliding member. And an elastic lever mechanism installed between the sliding members and having one end rotatably coupled to the first sliding member and the other end rotatably coupled to the second sliding member.

According to the elastic lever mechanism for a portable terminal and the slide cover opening and closing apparatus using the same according to the present invention, the first support lever is formed in the shape of "H" using a thin metal plate, so that the thickness is simple and the structure is simple. The strength is kept good.

In addition, since the reinforcing portion is formed in the connecting portion, not only the supporting strength corresponding to the elastic force of the elastic member is improved, but also the central support is formed on both sides of the connecting portion, so that the assembly strength is improved and accurate linear reciprocating motion is possible.

In addition, since the first support lever can be manufactured by shearing (punching) by pressing using a metal plate, it is possible to improve productivity and reduce manufacturing cost as compared with conventional injection molding or insert injection molding.

According to the elastic lever mechanism for a mobile terminal according to the present invention made as described above, since the elastic force of the elastic base material is exerted through the first support lever and the second support lever are bundled to support a plurality of elastic members and slidably coupled to each other. It is possible to exert elastic force in the correct direction with excellent elasticity.

First, an embodiment of the elastic lever mechanism for a portable terminal according to the present invention, as shown in Figures 1 to 3, is installed facing each other on both of the first support lever 20 and the first support lever 20. A plurality of elastic members 60 installed between the pair of second support levers 30 and 40 and the first support lever 20 and the pair of second support levers 30 and 40. It is made, including.

The first support lever 20 has an approximately "H" shape.

That is, the first support lever 20 includes a pair of supports 21 formed at regular intervals, and a connecting portion 24 fixed to connect the central portion of the support 21.

As shown in FIG. 4, a pair of engaging projections 22 are formed at both ends of the support 21, respectively.

The locking projections 22 are formed to face each other at both ends of the pair of the support 21.

3, 6, and 7, the first support lever 20 may further include a reinforcement portion 25 formed by bending the widthwise center portion of the connecting portion 24. It is possible.

By forming the reinforcing portion 25 as described above, it is possible to improve the strength of the connecting portion 24, thereby improving the connection strength of the support 21 to improve the overall strength of the first support lever 10 Will contribute.

In the above, the first support lever 10 may be formed in a substantially "wang" shape.

That is, as shown in Figures 2 and 3, it is also possible to further comprise a central support 28 which is formed extending substantially at right angles to both sides from the center of the connecting portion 24.

In addition, the first support lever 10 may further include a plurality of ribs 26 extending from the connection portion 24 in substantially perpendicular directions to both sides.

The first support lever 20 as described above is manufactured by performing shearing (punching) processing by pressing using a thin metal plate.

The second support levers 30 and 40 are formed in a substantially rectangular flat plate shape, and a pair of support grooves 31 to which the support members 21 of the first support lever 20 are assembled at a pair of parallel edges. 41) are formed respectively.

The support grooves 31 and 41 are formed in a shape of cutting the edges of the second support levers 30 and 40 so as to have a substantially "c" -shaped cross section.

Although not shown in the drawings, the support grooves 31 and 41 may be formed in cross-sections of various shapes corresponding to the cross-sectional shape of the support 21, and the second support levers 30 and 40 in a tunnel shape. It is also possible to be formed in the shape which penetrated).

As shown in FIG. 4, the support grooves 31 and 41 may be provided with the locking projections 32 and 42 corresponding to the locking projections 22 of the first support lever 20, respectively. Do.

In addition, as shown in FIGS. 2, 3, and 5, the second support levers 30 and 40 have assembly holes 36 in which the ribs 26 of the first support lever 20 are slidably assembled. ), 46, and the central support grooves 38 and 48 to which the central support 28 is slidably assembled may be formed, respectively.

In the above-described one side of the second support lever 30, 40 toward the central support 28, the extension portion 37, 47 formed by extending the central support groove 48 is also formed, respectively. It is possible.

As described above, the second support levers 30 and 40 may include rotation support parts 34 and 44 protruding from the center of the other corner.

Hinge holes 35 and 45 are formed at the centers of the rotation support parts 34 and 44.

In the above, the rotation support parts 34 and 44 may be formed so that their ends are divided into two branches.

As described above, when the ends of the rotary support parts 34 and 44 are formed to be split, elasticity can be provided to the hinge holes 34 and 44, so that the assembly of the hinge pins and the like becomes convenient.

The second support levers 30 and 40 are manufactured by injection molding mainly using synthetic resin.

The elastic member 60 is located between one corner of the connection part 24 and the second support levers 30 and 40 of the first support lever 20 and the connection part 24 and the second support lever 30. ), 40 is formed so as to always apply a force in the direction away from one corner of the (40).

The elastic member 60 is formed by using a coil coil, etc. installed by winding the ribs 26 of the first support lever 20 in a spiral shape, respectively.

In the above, the elastic member 60 may be formed to have a longer length as the elastic member 60 is disposed closer to the center portion of the connection part 24.

In other words, a larger elastic force is applied to the center of the connection part 24 of the first support lever 20 and one corner of the second support levers 30 and 40 corresponding thereto.

And one embodiment of the slide-type cover opening and closing device for a mobile terminal according to the present invention, as shown in Figure 9, to be slidable with the first sliding member 10 and the first sliding member 10 having a plate shape And a second sliding member 14 coupled to each other, and the elastic lever mechanism 16 installed between the first sliding member 10 and the second sliding member 14.

The first sliding member 10 is a pair of a body 11 made of a metal plate and a synthetic resin and fixed to both side edges of the body 11 and formed with rail grooves 13, respectively. It comprises a rail groove member 12 of.

The second sliding member 14 is made of metal or synthetic resin, and a pair of rail protrusions 15 slidably coupled to the rail groove 13 of the rail groove member 12 are formed at both edges, respectively. do.

The first sliding member 10 and the second sliding member 14 may also be implemented in the same configuration as the slide type opening and closing device for a portable terminal which is generally used.

One end of the elastic lever mechanism 16 is rotatably coupled to the first sliding member 10 by using a hinge pin 18 or the like, and the other end of the elastic lever mechanism 16 is connected to the second sliding member 14. It is coupled using a hinge pin (18).

The hinge pin 18 passes through the hinge holes 35 and 45 formed in the rotation support parts 34 and 44 of the second support levers 30 and 40, and thus the first sliding member. 10 and the second sliding member 14, respectively.

The detailed configuration of the elastic lever mechanism 16 can be implemented in the same configuration as that of the elastic lever mechanism for a portable terminal according to the present invention described above, and a detailed description thereof will be omitted.

Next, the operation of the elastic lever mechanism for a mobile terminal and the slide cover opening and closing apparatus using the same according to the present invention will be described in detail with reference to the drawings.

First, in the state in which the cover 6 is closed with respect to the main body 4 of the mobile terminal 2, one state (top) of the first sliding member 10 and the second sliding member 14 is coupled to each other. The elastic lever mechanism 16 is in an oblique (beveled) state in the moving direction of the cover 6 and the elastic force does not act on the elastic member 60 or the connecting portion 24 of the first support lever 20. And a compressive elastic force of a small size act in a direction away from the second support levers 30 and 40 (see FIG. 10).

When the cover 6 is pushed upward until the cover 6 is opened halfway from the main body 4 in the above state, the intermediate portions of the first sliding member 10 and the second sliding member 14 are coupled to each other. The first support lever 20 and the second support levers 30 and 40 rotate about the hinge pins 18, respectively, and are positioned substantially perpendicular to the moving direction of the cover 6. (See FIG. 11).

In this state, since the elastic member 60 is compressed to shorten the length and the compressive elastic force increases, the second sliding member 30 or 40 does not need to be applied to the cover 6 anymore. Will automatically move upwards.

As the second sliding member 14 moves as described above, the other end portion of the first sliding member 10 and the second sliding member 14 are joined to each other, and the cover 6 is closed. Is completely opened, and the first support lever 20, the second support lever 30, and 40 are rotated about the hinge pin 18, respectively, and are rotated in the direction of movement of the second sliding member 14, respectively. The picture becomes a state (see FIG. 12).

In the above, the elastic member 60 is returned to its original state as when the cover 6 is closed, and the compressive elastic force is weakened or released.

When the cover 6 is closed from the main body 4 of the portable terminal 2 in the open state, the operation is performed in the reverse order to the above process, and thus detailed description thereof will be omitted.

In the above, a preferred embodiment of the elastic lever mechanism for a portable terminal and the slide cover opening and closing apparatus using the same according to the present invention have been described, but the present invention is not limited thereto. Various modifications can be made within the scope and this also falls within the scope of the present invention.

1 is a perspective view showing an embodiment of an elastic lever mechanism for a portable terminal according to the present invention.

2 is an exploded perspective view showing an embodiment of an elastic lever mechanism for a portable terminal according to the present invention.

3 is a cross-sectional plan view showing an embodiment of an elastic lever mechanism for a portable terminal according to the present invention.

Figure 4 is a planar cross-sectional view showing a locking projection of the support and the locking projection of the support groove in one embodiment of the elastic lever mechanism for a mobile terminal according to the present invention.

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

FIG. 6 is a cross-sectional view taken along the line B-B in FIG. 3.

Figure 7 is a partially enlarged cross-sectional view showing the reinforcing portion in one embodiment of the elastic lever mechanism for a mobile terminal according to the present invention.

Figure 8 is a partially enlarged cross-sectional view showing a rotation support of the second support lever in one embodiment of the elastic lever mechanism for a mobile terminal according to the present invention.

Figure 9 is an exploded perspective view showing an embodiment of a sliding cover opening and closing device for a mobile terminal according to the present invention.

10 is a plan view showing a closed state of the cover of the mobile terminal in one embodiment of the sliding cover opening and closing device for a mobile terminal according to the present invention.

11 is a plan view showing a state in which the closing or opening of the cover of the portable terminal in the embodiment of the sliding cover opening and closing device for a portable terminal according to the present invention progressed in the middle.

12 is a plan view showing an open state of the cover of the portable terminal in one embodiment of the slide cover opening and closing device for a mobile terminal according to the present invention.

Claims (4)

A pair of supports which are arranged at regular intervals, a first support lever consisting of a connecting portion connecting the center portion of the support and forming a "H" shape with the support, and a pair of supports of the first support lever slidably assembled A pair of second support levers each having a support groove formed thereon and installed on both sides of the first support lever, and the pair of second support levers are always in a direction away from the connection portion of the first support lever. It includes a plurality of elastic members are respectively installed between the connecting portion of the first support lever and the pair of second support lever to apply a, The first support lever has a locking protrusion formed at both ends of the support, a central support extending in both right angles from the center of the connecting portion, and positioned at both sides of the central support, Further comprising a plurality of ribs formed at intervals, The pair of second support levers include an assembly hole in which the rod is slidably assembled, a central support groove in which the central support is slidably assembled, and a latch corresponding to the locking protrusion to prevent the support from being separated from the support groove. Each jaw is formed,  The pair of second support levers each include a rotation support portion formed with a hinge hole and formed in the center of one corner, The elastic member is an elastic lever mechanism for a portable terminal is installed by spirally wound around the rib of the first support lever to form a cylindrical shape. The method according to claim 1, The elastic member is made of a compression coil spring and the elastic lever mechanism for a mobile terminal is formed longer length is closer to the center of the connecting portion. The method according to claim 1, The first support lever is an elastic lever mechanism for a mobile terminal including a reinforcing portion formed by bending the widthwise central portion of the connecting portion in the longitudinal direction. The method according to claim 1, The pair of second support levers are elastic lever mechanism for a mobile terminal, each of which has a hinge hole is formed and a rotational support portion formed in the center of one corner.

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