KR100619819B1 - Sliding type mobile phone - Google Patents

Abstract

The present invention relates to a slide-type portable terminal, the bottom folder; In the slide-type portable terminal having a top folder that is stacked on the front surface of the bottom folder and is opened and closed by sliding with respect to the bottom folder, in any one of the front surface of the bottom folder and the back side of the top folder. A sliding plate mounted along a sliding movement path of the top folder, wherein at least one bent portion is formed; Including the drive spring which is mounted to protrude from the other of the front side of the bottom folder and the rear side of the top folder, when the sliding along the sliding path, elastically interacts with the bent portion of the sliding plate to move semi-automatically, Provided is a slide-type portable terminal that facilitates user convenience by allowing the slide-type portable terminal to be opened and closed semi-automatically and used with one hand when the user pushes or pulls the top folder with only a finger.

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Description

Slide type mobile terminal {SLIDING TYPE MOBILE PHONE}

1 to 3 are views showing the configuration of a conventional slide-type portable terminal,

1 is a perspective view showing a closed state of a conventional slide-type mobile terminal

Figure 2 is a perspective view showing the open state of the slide-type mobile terminal of Figure 1

Figure 3 is an exploded perspective view showing the configuration of the opening and closing device of the slide-type portable terminal of Figure 1

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Figure 4 is an exploded perspective view showing the configuration of the opening and closing device of the slide-type portable terminal according to an embodiment of the present invention

Figure 5 is a plan view of the assembled state of Figure 4

FIG. 6 is an exploded perspective view of a portable terminal in which the opening and closing device of FIG. 4 is installed in a top folder.

Figure 7 is an enlarged view of part A of Figure 5

Figure 8 is a schematic diagram for explaining the principle of the opening and closing operation of Figure 4 upwards

Fig. 9 is a schematic diagram for explaining the principle of opening and closing in the downward direction of Fig. 4;

** Explanation of symbols for the main parts of the drawing **

110: top folder 114: installation groove

115: Information home 120: Bottom folder

125: guide projection 127a: installer

130: opening and closing device 131: sliding plate

133: drive spring 134: fixed body

135: mounting groove 137: sliding frame

The present invention relates to a slide-type portable terminal, and more particularly, to a slide-type portable terminal configured to completely open and close the slide-type portable terminal when the user pushes or pulls with a finger only up to a certain point.

In general, a bar type, a flip type, and a folder type portable terminal have been used as a portable terminal. With the introduction of the IMT-2000 service, camera function, wireless Internet, etc., a portable terminal is required to introduce a large liquid crystal screen since various information is displayed as images.

In the case of a bar-type portable terminal or a flip-type portable terminal, there is a problem in that the entire size of the portable terminal increases in order to be equipped with a large liquid crystal screen. In the case of a folder-type portable terminal, a large liquid crystal screen may be used compared to a bar-type or flip-type portable terminal. Only LCD screens of less than half the size of portable terminals could be accommodated. In response to this, recently, a liquid crystal screen displaying image information and a keypad in which a user inputs information are superimposed on the same space, and a slide-type portable terminal capable of mounting a large liquid crystal screen as a small-sized portable terminal has been used.

1 to 3 is a view showing the configuration of a conventional slide-type portable terminal, Figure 1 is a perspective view showing a closed state of the conventional slide-type portable terminal, Figure 2 is an open state of the slide-type portable terminal of Figure 1 3 is an exploded perspective view showing the configuration of the opening and closing device of the slide-type portable terminal of FIG. 1.

As shown in these drawings, the conventional slide-type portable terminal 1 is located at the bottom of the top folder 10 and the top folder 10, which is moved by sliding up and down, and the bottom of the input mechanism is equipped with a keypad. It consists of a folder (20).

The top folder 10 includes a liquid crystal screen 11 formed on its front surface to display various image information, a sign language unit 12 formed as a speaker for receiving voice during a call and transmitting the voice to a user, and a liquid crystal screen ( 11) and a top folder casing (13) surrounding the sign language (12).

The bottom folder 20 includes a keypad 21 for a user to input information, a transmitting unit 22 for transmitting a voice by a user, and an antenna 23 formed at the top of the bottom folder 20 for receiving a communication signal. ), a main PCB (not shown) equipped with a circuit unit in charge of communication control, a battery 24 formed detachably at the rear of the bottom folder to supply power to the main PCP, and a plasma to surround the main PCB It is provided with a bottom folder casing 26 injection-molded.

Here, the opening and closing device of the conventional slide-type portable terminal 1 is configured to open and close the top folder 20 by moving up and down with respect to the bottom folder 10, and more specifically, opening and closing operation of the bottom folder 20. In order to facilitate the guide groove 25 formed on the front of the bottom folder casing 26, and guide protrusions 18 formed on the back of the top folder 10 to engage the guide groove 25 to move up and down It consists of. That is, with respect to the bottom folder 20, the top folder 10 is opened and closed by engaging the guide protrusions formed in the top folder 10 along the guide grooves 25 formed in the bottom folder 20 and moving up and down. .

The slide-type portable terminal is opened and closed by a user pushing the top folder 10 upwards mainly by a thumb, and the user opens the top folder 10 downwards mainly by a thumb. The mobile terminal is closed by pulling down.

However, since the conventional slide-type portable terminal 1 is configured to manually push up or down the top folder 10 by a finger, the top folder 10 is opened and closed from the initial opening and closing of the top folder 10 with a finger. The inconvenience of the user who needs to be pushed up or down is accompanied, and at this time, the user has to use both hands, and if foreign matter is inserted into the guide groove 25 during use, more force is required to push up or down. There is a problem in that discomfort occurs.

The present invention has been devised to solve the problems of the prior art as described above, and the present invention provides a slide-type portable terminal configured to completely open and close a slide-type portable terminal when a user pushes or pulls a finger to a certain point only for the convenience of the user. The purpose is to provide.

Another object of the present invention is to provide a slide-type portable terminal that can be manufactured at low cost by implementing the above-described switching device by a simple mechanical structure without a separate driving means.

The present invention to achieve the above object, the bottom folder; In the slide-type portable terminal having a top folder that is stacked on the front surface of the bottom folder and is opened and closed by sliding with respect to the bottom folder, in any one of the front surface of the bottom folder and the back side of the top folder. A sliding plate mounted along a sliding movement path of the top folder, wherein at least one bent portion is formed; It is mounted to protrude from the other of the front side of the bottom folder and the rear side of the top folder, including a drive spring that is semi-automatically moved to resiliently interact with the bent portion of the sliding plate when sliding along the sliding path It is characterized by.

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

Figure 4 is an exploded perspective view showing the configuration of the opening and closing device of the slide-type portable terminal according to an embodiment of the present invention, Figure 5 is a plan view of the assembled state of Figure 4, Figure 6 is the opening and closing device of Figure 4 in the top folder An exploded perspective view of the installed portable terminal, FIG. 7 is an enlarged view of part A of FIG. 5, FIG. 8 is a schematic diagram for explaining the principle of opening and closing operation in FIG. 4, and FIG. 9 is a diagram illustrating the operation of opening and closing operation in the downward direction of FIG. It is a schematic for doing.

As shown in the drawings, the slide-type portable terminal according to an embodiment of the present invention is a two-way slide-type portable terminal that is both slidingly opened and closed in the vertical direction, the top folder 110 that moves up and down by sliding movement, It comprises a bottom folder 120 that is opened and closed by the top folder 110, and an opening and closing device 130 for moving the top folder 110 with respect to the bottom folder 120.

The top folder 110 includes a top folder case 111 injection-molded with plastic so as to form an outer shape of the top folder 110, and a guide groove formed in a long recess in the rear of the top folder case 111 in the vertical direction ( 112), the installation groove 113 formed in the longitudinal direction along the vertical direction on the rear surface of the top folder case 111, and an FPC ratio for transmitting a signal from the bottom folder 120 to the rear surface of the top folder case 111 passes It is provided with a through hole 114 formed so as to penetrate.

The bottom folder 120 includes a button input unit 121 for inputting various information, a call unit 122 formed in a microphone to transmit voice to the other party, an antenna 123 for detecting a communication signal, and power to a communication circuit. A battery 124 detachably formed on the rear surface to supply the battery, a fixing protrusion 125 slidingly sliding the top folder 110 up and down in engagement with the guide groove 112, and to form the outer shape of the bottom folder 120 The bottom folder case 126, which is injection molded from plastic, and the through hole 128 formed to pass through the PCB, which transmits a signal from the bottom folder 120, and the bottom folder 120 so that the fixed body 134 is inserted. It is provided with two mounting holes 127a formed through the seating groove 127 so as to fix the fixing body 134 and the bottom folder 120, and the recessed groove 127 formed in the front of the recess.

Here, the guide protrusion 125 is assembled while being fitted in the guide groove 114 by a groove 125a formed in the central portion of the guide protrusion 125, as shown in the enlarged cross-sectional view of FIG. 6.

The opening and closing device 130, through the two installation holes (127a) of the bottom folder 120, respectively, the fixed body 134 screwed to the fixing groove 135, and the protruding from the fixed body 134 2 The dog's locking projections 136 and both ends 133b are bent to be installed by being fitted into the locking projections 136, and the central portion 133a is shaped like a square closed curve formed of a press plated metal plate spring so as to protrude. The drive spring of 133, and the slide rail 139 formed in the back of the top of the folder 110 so as to have a gradient that narrows and widens again from the central portions 131b and 132b along the sliding up and down direction. It is configured by.

Here, the slide rail 139 comprises a hollow rectangular parallelepiped sliding frame 137, and sliding plates 131 and 132 inserted into both side surfaces 137b and 137c in the sliding frame 137. At this time, the sliding plates 131 and 132 are centered around the wide central portions 131b and 132b where the driving springs 133 are seated when the portable terminal is in the closed state, and the driving springs 133 slide upwards. The width of the sliding plates 131 and 132 is widened while passing through the inflection portions 131a and 132a where the width of the rail 139 begins to narrow. Similarly, the sliding plates 131 and 132 are centered around a wide central portion 131b and 132b where the driving spring 133 is seated when the mobile terminal is in a closed state, and the driving spring 133 is sliding downward to slide the rail ( 139) the width of the sliding plate (131,132) becomes wider as it passes through the inflection portions (131c, 132c) that begin to narrow. Furthermore, as the degree of protrusion of the central portion 131a of the sliding plate 133 increases within the design range, deformation of the driving spring 133 increases, so that a large sliding driving force can be obtained. Here, since the central portions 131b and 132b of the sliding plates 131 and 132 and the inflection portions 131c and 132c are formed by bending the sliding plates 131 and 132 in bending, they may also be referred to as bending portions.

Then, the driving spring 133 is stopped when the portable terminal is in the closed state, as shown in FIG. 7 in order to fix the portable terminal with a predetermined force in a closed state and at the same time generate a click feeling due to opening and closing by the user The fixed protrusions 141 and 142 are formed around the slide rails 139 in contact with each other, and more specifically, around the central portions 131b and 132b of the main surfaces of the sliding plates 131 and 132.

In addition, the contact surface 131b of the driving spring 133 and the sliding plate 131 contacting the driving spring 133 is plated or Teflon coated to slide well with each other.

The opening and closing device 130 of the portable terminal configured as described above is assembled as follows. That is, the center portion 131b,132b of the pair of sliding plates 131,132 is inserted and fixed to the hollow portion of the pair of sliding plates 131,132 on the hollow sliding frame 137. Then, the two locking protrusions 136 of the fixed body 134 are fitted with both ends 133b of the driving spring 133 installed, and a force is applied to narrow the gap between the two central portions 133a of the driving spring 133. In the state, both center portions 133a are inserted into the hollow portions of the sliding frame 137 so as to contact both side surfaces 131b and 132b of the sliding plate 131. Then, the sliding frame 137 is inserted and fixed in the installation groove 113 of the top folder 110, and the fixed body 134 is fixed with a female thread 135a formed on the rear surface 134a of the fixed body 134 The assembly is completed by fixing the installation hole 127a formed on the front surface of the groove 135 and the bottom folder 120 with the bottom folder 120 by screwing.

Hereinafter, the operating principle of an embodiment of the present invention will be described in detail.

When the user wants to open the top folder 110 by sliding upward with respect to the bottom folder 120 using the portable terminal according to the present invention, as shown in FIG. 8(a), the user 110) When the finger is pushed up, the sliding frame 137 integrally with the top folder 110 moves upward with respect to the fixed body 134, and the sliding rail 139 moves according to the upward movement of the sliding frame 137. The width becomes narrower, and the central portion 133a of the drive spring 133 fixed to the fixed body 134 between the slide rails 139 is opened to generate bending elastic restoring force. When the user moves the top folder 110 upwards so that the center portion 133a of the driving spring 133 passes through the inflection points 131c and 132c shown in FIG. 8(b), the deformation of the driving spring 133 Due to the accumulated bending elastic restoring force, the top folder 110 moves itself upward. In more detail, the driving spring 133 is applied with a force in the lateral direction of the sliding frame 137, but the fixed body 134 and the top folder 110 of the bottom folder 120 by the upward component of the force. Relative movement between the sliding frames 137 of the self is made by itself, the top folder 110 is smoothly moved upward sliding relative to the bottom folder 120 to completely open the bottom folder 120.

Likewise, when the user wants to open the top folder 110 by sliding it downward with respect to the bottom folder 120 using the portable terminal according to the present invention, the user can see the top as shown in Fig. 9(a). When the folder 110 is pulled down, the sliding frame 137 integrally with the top folder 110 moves downward with respect to the fixed body 134, and the slide rail 139 according to the downward movement of the sliding frame 137. ) The width of the taper becomes narrower, and the central portion 133a of the drive spring 133 fixed to the fixed body 134 between the slide rails 139 is opened to generate bending elastic restoring force. When the user moves the top folder 110 upwards so that the center portion 133a of the driving spring 133 passes through the inflection points 131a and 132a shown in FIG. 9(b), the deformation of the driving spring 133 Due to the accumulated bending elastic restoring force, the top folder 110 slides itself smoothly downward, thereby completely opening the bottom folder 120.

Arrows in FIGS. 8 and 9 indicate the direction of movement of the top folder 110 and the sliding frame 137.

At this time, the guide groove 112 formed on the rear surface of the top folder 110 so as to mesh with the fixing protrusion 125 formed on the front of the bottom folder 120, the fixing body 134 of the opening and closing device 130 And the sliding frame 137 serves to guide the relative movement of the portable terminal from being shaken in the width direction.

When the user wants to open by sliding the top folder 110 downward with respect to the bottom folder 120 by using the portable terminal, or when the user wants to close the sliding state from the open sliding state downward, FIG. As illustrated, the opening and closing operation is implemented by repeating the same process as above.

As an embodiment of the present invention, the opening/closing device of the above-described portable terminal forms a slide rail 139 on the rear surface of the top folder 110 and a locking protrusion 136 in which a driving spring 133 is installed, the bottom folder 120 It is configured to be formed on the front surface of the portable terminal of the present invention, on the contrary, the slide rail 139 is formed on the front surface of the bottom folder 120 and the locking protrusion 136 of the top folder 110. It may be configured to form on the back.

In addition, as an embodiment of the present invention, the opening/closing device of the aforementioned portable terminal includes a guide groove 112 formed to guide the sliding movement of the top folder 110 in combination with the guide protrusion 125 of the bottom folder 120. However, instead, the opening/closing device 130 described above may be formed in a pair so as to be arranged in the width direction on the top folder 110 and the bottom folder 120 to further increase the sliding driving force by the driving spring 133. have.

The preferred embodiments of the present invention have been exemplarily described above, but the scope of the present invention is not limited to such specific embodiments, and can be appropriately changed within the scope described in the claims.

As described above, according to the present invention, the slide rail having a gradient is configured to be elastically deformed by moving a drive spring having a closed curved surface, so that a user pushes only with a finger to the point where the central portion of the fixed spring starts to widen. Provided is a slide-type portable terminal for convenience of the user, so that the slide-type portable terminal can be completely opened and closed with one hand when pulled.

In addition, the slide-type portable terminal as described above is a semi-automatic opening and closing device that implements semi-automatic opening and closing with a simple mechanical structure without additional driving means by giving a gradient to the width of the sliding rail and bending and contacting both centers of the plate spring. The manufacturing cost can be reduced.

Claims (12)

A bottom folder; In the slide-type portable terminal having a top folder that is stacked on the front surface of the bottom folder, the sliding folder with respect to the bottom folder to open and close, A sliding plate mounted on any one of a front side of the bottom folder and a rear side of the top folder along a sliding movement path of the top folder, wherein at least one bent portion is formed; It is mounted to protrude from the other of the front side of the bottom folder and the rear side of the top folder, including a drive spring that is semi-automatically moved to resiliently interact with the bent portion of the sliding plate when sliding along the sliding path Features a slide-type mobile terminal. delete delete According to claim 1, The slide-type portable terminal further comprising a fixing protrusion that protrudes from a main surface of the sliding plate contacting the driving spring to generate a click feeling when the driving spring is sliding. According to claim 1, A fixed body mounted on the other of the front side of the bottom folder and the back side of the top folder; Further comprising at least a pair of projections formed protruding from the fixed body, The driving spring is a slide-type portable terminal, characterized in that the plate spring in the form of a closed curve fitted to the at least one pair of locking projections. The method of claim 5, The driving spring is a rectangular closed-curve plate spring, Any pair of bent parts of the leaf spring facing each other is fitted into the pair of locking protrusions, A slide-type portable terminal, characterized in that the other pair of bent portions of the plate spring facing each other is formed to contact the sliding plate. According to claim 1, The driving spring and the sliding plate is a slide-type portable terminal, characterized in that the Teflon coating treatment to reduce the frictional force of the parts in contact with each other. According to claim 1, The drive spring and the sliding plate is a slide-type portable terminal opening and closing device, characterized in that plated to reduce the frictional force of the parts in contact with each other. According to claim 1, An installation groove formed along a sliding movement path of the top folder on any one of a front side of the bottom folder and a back side of the top folder; Further comprising a hollow sliding frame fitted to the installation groove, The sliding plate is a slide-type portable terminal, characterized in that the pair of sliding plates disposed on both sides of the hollow portion of the sliding frame. delete delete delete

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