KR20080059899A - Spring for a slide-type mobile phone and a mobile phone using the same - Google Patents

Abstract

A spring for a slide-type portable terminal and the portable terminal using the spring are provided to realize a spring structure where a wire is bent at one story only without being rolled at plural stories, in order to minimize an increase of product thickness. The first elastic body(350A) has the first curved section(310A) bent in arch shape without a wire being stacked thereon, and has an elastic tendency to restore to an original state when curvature of the first curved section is changed. The second elastic body(350B) has the second curved section(310B) bent in arch shape without a wire being stacked thereon, and has an elastic tendency to restore to an original state when curvature of the second curved section is changed. A connecting body(330) connects the first elastic body with the second elastic body in a middle part.

Description

Spring for slide type portable terminal and portable terminal using same {SPRING FOR A SLIDE-TYPE MOBILE PHONE AND A MOBILE PHONE USING THE SAME}

1 is a perspective view showing a hinge module for a portable terminal using a torsion spring of the prior art.

2 and 3 is a state diagram showing the sliding opening and closing state of the mobile terminal according to the present invention.

Figure 4 is an exploded perspective view of the hinge module including the fault spring of the present invention.

5 is a plan view for explaining a single-layer spring according to the present invention.

6 to 8 is a reference view for explaining the operation of the hinge module according to the present invention.

9 is an exploded perspective view of a hinge module including a spring according to a modified embodiment of the present invention.

10 is an exploded perspective view for explaining a single-layer spring according to a modified embodiment of the present invention.

11 to 13 is a reference diagram for explaining the spring operation of the present invention according to the opening and closing of the cover in a modified embodiment.

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

100: base plate 110: fitting portion

130: bracket 200: mounting plate

210: sliding piece 300: spring

310A, 310B: Curved section 330: Connector

350A: first elastomer 350B: second elastomer

The present invention relates to a mobile terminal, and in particular, the wire structure is not bent to overlap the plurality of stages, but is provided by a spring structure that is bent in only one end, while providing sufficient force for semi-automatic opening and closing of the cover of the mobile terminal while minimizing its thickness. The present invention relates to a spring for a slide type portable terminal and a portable terminal using the same, such that the thickness of the portable terminal can be substantially increased according to the spring installation.

In general, a communication terminal may be classified into a wired or wireless communication terminal, and a wired communication terminal is an office or home telephone, and a wireless communication terminal is a PCS, a cellular phone, or a PDA. Wireless communication terminals are usually called mobile communication terminals or portable terminals because they provide portability and mobility to users.

Due to the development of the technology, such a portable terminal provides a user with text information, image information, a game, etc., beyond the step of delivering only simple audio information. The type of the mobile terminal is largely a bar type and a flip type with a cover. It can be divided into flip type and folder type.

The folding type mobile terminal has a structure that can open and close the folder when calling or carrying, so it can solve the problem that the length of the bar type or flip type portable terminal is long, but the hinge portion connecting the upper folder and the lower folder is easily damaged. There is a problem.

In order to solve the problem of such a folding type portable terminal, a sliding type portable terminal in which a folder is moved up and down in a semi-automatic manner in a sliding type has been proposed. Sliding portable terminals open and close the cover semi-automatically with respect to the portable terminal main body by using the elastic force of the torsion spring (most).

1 is a perspective view showing a hinge module for a portable terminal using a torsion spring of the prior art.

Referring to Figure 1, the hinge module for a conventional portable terminal is configured to play a role of opening and closing the cover semi-automatically sliding with respect to the main body of the portable terminal.

Accordingly, when the user pushes the cover of the mobile terminal upward, the cover is manually moved to a predetermined position with respect to the main body, and when the user passes the predetermined position, the cover is automatically moved by the elastic restoring force accumulated in the torsion spring 36 of the hinge module 30. The cover is designed to open while sliding.

However, the torsion spring 36, which was provided to provide the elastic restoring force to the cover, was twisted by stacking the wires in at least two stages to have a structure capable of providing the elastic restoring force. According to such a form, it is inevitable to have a structural limitation of having the stacked section 36A in which the wire is stacked in a plurality of stages. Therefore, the stacking section 36A of the torsion spring 36 has caused a problem that leads to an increase in the thickness of the mobile terminal as it is. For example, when the diameter of one wire is 0.45 [mm], when the torsion spring 36 having elastic restoring force is provided, a loss width of at least 0.9 [mm] is generated due to the stacked section 36A in which the wires are laminated. . Therefore, such a torsion spring 36 is inevitably a problem in light of the recent trend that the ultra-slimization of the portable terminal has become one flow.

In addition, the torsion spring 36 had a problem that is difficult to apply when the opening and closing distance of the cover is long, and there was a considerable difficulty of opening and closing the cover smoothly.

On the other hand, in the case of the compression spring or the tension spring that is often installed to avoid the torsion spring 36, the problem is more serious, such as a loss width of about 2.5 [mm] occurs.

Therefore, the present invention has been proposed to solve the conventional problems as described above, the object of the present invention is to be bent in one end of the wire is not bent to overlap the plurality of stages in order to minimize the increase in the thickness of the product The present invention provides a slide type spring having a spring structure and a portable terminal using the same.

In order to achieve the above object, the single-layer spring for a slide-type portable terminal according to the technical idea of the present invention includes a first curved section bent in an arch shape without wires being stacked, thereby changing the curvature of the first curved section. A first elastic body having an elastic tendency to be restored to its original state if it is; A second elastic body having a second curved section bent in an arc shape without lamination of wires and having an elastic tendency to be restored to its original state when the curvature of the second curved section is changed; The technical configuration is characterized by including a connecting body connecting the first elastic body and the second elastic body in the middle.

Here, each end of the first elastic body and the second elastic body that is not connected to the connecting body is coupled to the main body and the cover of the mobile terminal, respectively, to form a first support point and a second support point, the first support point when opening and closing the cover When the distance between the second supporting point and the second support point is minimized, the force is provided in a direction in which the cover is closed within a distance not exceeding the transition point, and the cover is opened in a direction other than the distance past the transition point. It can be characterized by providing a force.

In addition, one wire may be bent to form a linear structure of the first elastic body, the connecting body and the second elastic body in order.

In addition, the connecting body has a left-right symmetrical shape, and the first elastic body and the second elastic body may be formed in a left-right symmetrical form with respect to the connecting body.

In addition, the connector may be provided in the form of a plate, the first elastic body and the second elastic body may be connected to the left and right sides of the connector, respectively.

In addition, both sides of the connecting body is formed with a fitting groove into which the first elastic body and the second elastic body is fitted for the connection of the first elastic body and the second elastic body, wherein the fitting groove is formed of the first elastic body and the second elastic body The location where the tip is positioned may be formed in a matched shape to fix the tip, and the location where the curved section is located may be wider toward the outside to allow a change in curvature of the curved section.

In addition, the first elastic body is connected to the front surface of the connector, the second elastic body may be connected to the rear surface of the connector.

In addition, the connector may be made of a polyoxymethylene (POM) material for preventing friction.

In addition, the connecting body is made of solid silicone or polyacetal, which is softer than the first and second elastic bodies, and absorbs vibrations and shocks generated from the first and second elastic bodies before and after the transition point. It may be characterized by.

On the other hand, the mobile terminal of the present invention, the main body; A cover which is positioned at the front side of the main body and is opened and closed in a vertical direction; A base plate coupled to the main body or cover; A mount plate coupled to the cover or main body, to which the base plate is not coupled, to be slidably coupled to the base plate; A first elastic section bent in the shape of an arc without lamination of wires and a first elastic body having an elastic tendency to be restored to its original state when the curvature of the first curved section is changed, and bent in an arc shape without lamination of wires And a second elastic body having an elastic tendency to be restored to its original state when the curvature of the second curved section is changed, and a connecting body connecting the first elastic body and the second elastic body in the middle. Each end of the first elastic body and the second elastic body which is not connected to the connecting body between the base plate and the mounting plate is coupled to the base plate and the mounting plate to form a first support point and a second support point, If the distance between the first support point and the second support point is minimized during opening and closing, the transition point is within a distance not exceeding the transition point. It provides a force in the direction in which the machine cover closed, and in that it comprises providing a force to the outside past the transition point away the cover opens, the spring direction, characterized that on the technical configuration.

Here, one wire is bent to form a linear structure of the first elastic body, the connecting body and the second elastic body in order, the connecting body is symmetrical, and the first elastic body and the second elastic body around the connecting body It may be characterized in that formed in a symmetrical form with each other.

In addition, the connector is provided in the form of a plate, the first elastic body and the second elastic body is connected to each of the left and right sides, respectively, the both sides of the connecting body for connecting the first elastic body and the second elastic body and the first elastic body and A fitting groove is formed in which a second elastic body is fitted, and the fitting groove is formed in a shape where the ends of the first elastic body and the second elastic body are located in a conformable shape to fix the end, and the curved section is positioned. The part to be characterized in that it is formed wider toward the outside to allow a change in curvature of the curve section.

In addition, the first elastic body is connected to the front of the connector, the second elastic body is connected to the rear of the connector, the connector may be characterized in that made of POM (polyoxymethylene) material for preventing friction have.

In addition, the base plate is formed along the vertical direction of the "c" shaped inclined inward to the left and right ends at both ends, and further provided with a bracket that is fitted to each of the fitting portion and formed with a sliding slit inside, the mount plate is It may be characterized by having a "b" shaped sliding piece that is bent outwardly at both ends to be slidably corresponding to the sliding slit.

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

EXAMPLE

2 and 3 is a state diagram showing the sliding opening and closing state of the mobile terminal according to the present invention.

As shown, the present invention is a slide type portable terminal in which the cover (C) is semi-automatic sliding opening and closing with respect to the main body (M), the wire is not rolled up overlapping in a plurality of stages therein only one stage The bent single layer spring is installed. The single-layer spring provides the elastic force that can perform the sliding opening and closing operation of the cover stably while reducing the front and rear thickness of the portable terminal as possible.

Hereinafter, the configuration of the present invention will be described in detail centering on the single-layer spring.

Figure 4 is an exploded perspective view of a hinge module including a fault spring of the present invention, Figure 5 is a plan view for explaining a fault spring according to the present invention.

As shown, the hinge module including the base plate 100 and the mount plate 200 as well as the single-layer spring 300 of the present invention is coupled to the main body and the cover so that the cover can be automatically opened and closed with respect to the main body. It plays a role. The hinge module adopts a single-layer spring 300 having a structure in which the wire is not bent to be overlapped in a plurality of stages and is bent in only one stage to provide elastic force for semi-automatic opening and closing of the cover. The thickness of the entire handset and the thickness of the mobile terminal can be reduced as much as possible. Hereinafter, the configuration of each of the components constituting the hinge module will be described.

The spring 300 is installed between the base plate 100 and the mounting plate 200. The spring 300 includes a first elastic member 350A, a second elastic member 350B, and a connecting member 330. The overall shape of the spring 300 is a wire bent to form a linear structure of the first elastic member 350A, the connecting member 330 and the second elastic member 350B in order. The first elastic member 350A has a first curved section 310A that is bent in an arc shape without wires stacked to have an elastic tendency to be restored to its original state when the curvature of the first curved section 310A is changed. . Similarly, the second elastic member 350B also has a second curved section 310B that is bent in an arc shape without wires stacked to have an elastic tendency to be restored to its original state when the curvature of the second curved section 310B is changed. At this time, the bent direction of the first elastic member 350A and the second elastic member 350B is not important, but if possible, the shape may be symmetrically. This is to reduce the bias of the force due to the eccentricity when inflection based on the entire spring (300). Each end of the first elastic member 350A and the second elastic member 350B is coupled to the base plate 100 and the mounting plate 200 to form a first support point 351A and a second support point 351B. The first support point 351A of the spring 300 is fixed to the base plate 100, and the second support point 351B is fixed to the mount plate 200. To this end, the first restraining pin 160 and the second restraining pin 260 are provided, and the base plate 100 is placed at the center of the end portions of the first elastic member 350A and the second elastic member 350B, respectively. And the mount plate 200. For reference, the pin holes 150 and 250 formed in the base plate 100 and the mount plate 200 are provided to be fitted with the first restraining pin 160 and the second restraining pin 260. And the second support point 351B are located. Meanwhile, the connector 330 connects the first elastic member 350A and the second elastic member 350B in the middle, and its role is different from that of the first elastic member 350A and the second elastic member 350B. It is to simply connect the first elastic member 350A and the second elastic member 350B without providing elastic force to the first elastic member 350A.

Such a spring 300 of the present invention can be seen that a single thin wire is rolled up to be bent in only one end instead of being stacked in a plurality of stages. This is in contrast to the conventional torsion spring 300, which is made by twisting wires to have elastic restoring force, having a stacking section in which at least two ends are stacked. Therefore, the spring 300 of the present invention can save the thickness lost due to the laminated structure of the spring. That is, when the diameter of one wire used in the present invention is 0.45 [mm], the loss width that the spring 300 of the present invention having elastic restoring force must bear is only 0.45 [mm]. On the other hand, the torsion spring 300 according to the related art requires a loss width of at least 0.9 [mm], and the compression spring 300 or the tension spring 300 used to avoid the torsion spring 300 is what. The loss width should be about 2.5 [mm].

In such a configuration, the cover is closed in a distance not exceeding the transition point as a transition point when the distance between the first support point 351A and the second support point 351B is minimized when opening and closing the cover. Force is provided, and the force can be provided in a direction in which the cover is opened outside the distance beyond the transition point. Here, the spring 300 of the present invention is provided in two pairs between the base plate 100 and the mounting plate 200, these two are installed to face each other in a symmetrical form on the upper and lower sides. Therefore, when the spring 300 is installed in two pairs in a vertically symmetrical structure with each other can be provided to easily meet the elastic force required for opening and closing of the cover, it is possible to open and close smoother and more smoothly without shaking or vibration.

The base plate 100 is fixed to the main body to act as a rail so that the mount plate 200 can slide in the vertical direction. To this end, the base plate 100 has “c” shaped fitting portions 110 that are bent inward at both ends, respectively, along the vertical direction. And the fitting portion 110 is fitted with a bracket 130 for guiding the mounting plate 200 is installed. The bracket 130 has a sliding slit (130A) formed in the vertical direction in the inside for guiding the mounting plate (200).

The mount plate 200 is provided with a sliding piece 210 of the "b" shaped to be folded outward at both ends and to be slidably fitted to the sliding slit 130A of the bracket 130. The mount plate 200 may smoothly slide up and down in the base plate 100 by a sliding slit 130A of the bracket 130 and the sliding piece 210 which are slidably coupled corresponding to each other. have.

Hereinafter, the operation of the hinge module according to the present invention will be described with reference to FIGS. 6 to 8.

First, Figure 6 shows the state of the hinge module in the initial state that the cover is closed with respect to the main body of the mobile terminal. In this state, the first support point 351A and the second support point 351B are positioned in the diagonal direction with each other while no external force is applied to the spring 300, and the distance between them is far from each other. This condition tends not to open the cover continuously unless external force is applied with the spring 300 fully or nearly relaxed.

Thereafter, when a force is applied to the cover in an open direction, the mount plate 200 coupled to the cover slides to move upward. Then, the interval between the first support point 351A and the second support point 351B of the spring 300 is gradually reduced. Accordingly, the first elastic member 350A and the second elastic member 350B of the spring 300 are gradually curved in the curve sections 310A and 310B, and gradually accumulate elastic energy, thereby having a tendency to be restored to its original state. However, if an external force is continuously applied to the mount plate 200 in contrast to this tendency, the state as shown in FIG. 7 is finally reached.

FIG. 7 illustrates a case in which the distance between the first support point 351A and the second support point 351B is reduced and the gap is narrowed to the minimum. At this time, the curved sections 310A and 310B of the first elastic member 350A and the second elastic member 350B are the most inflected, and the energy accumulation rate reaches the highest value, so the elastic restoring force of the tendency to restore the original state is the most. It is a strong state. At this point, when the mount plate 200 is moved a little more, the cover is automatically opened while the balance is momentarily broken. This is because the direction in which the spring 300 is unfolded to return to its original state is reversed while passing through the transition point, so that the spring 300 coincides with the direction in which the cover is opened. On the other hand, when the external force applied even before reaching the transition point is removed, the cover is closed as it is due to the tendency of the spring 300 to return to its original state. As such, when the transition point passes, the mount plate 200 moves upward in an instant, as shown in FIG. 8. 8 is a state in which the cover of the portable terminal is completely opened in the main body. At this time, the first support point 351A and the second support point 351B are changed only in the up and down positions in the diagonal direction, so that the first support point 351A and the second support point 351B are separated from each other so that the curved sections 310A and 310B of the spring 300 are naturally relaxed. do. Therefore, there is a tendency to keep the cover open unless an external force is applied.

9 is an exploded perspective view of a hinge module including a spring according to a modified embodiment of the present invention, Figure 10 is an exploded perspective view for explaining a fault spring according to a modified embodiment of the present invention.

As shown, the spring 400 of the present invention according to the modified embodiment is a separate part in the form of a plate instead of the connecting body 430 is integrally connected with the first elastic body 400A and the second elastic body 400B The first elastic member 400A and the second elastic member 400B are disposed at left and right sides of the connector 430.

The connector 430 is provided in the form of a flat plate, and is made of a polyoxymethylene (POM) material to reduce frictional resistance when contacting the base plate 100 and the mount plate 200.

On both sides of the connector 430, fitting grooves 431 and 432 into which the first elastic member 400A and the second elastic member 400B are fitted to connect the first elastic member 400A and the second elastic member 400B. Is formed. The fitting grooves 431 and 432 of the first elastic body 400A and the second elastic body 400B are located at the end portion 460 of the first elastic body 400A and the second elastic body 400B. The end 460 is formed in a matched shape to fit the end 460. However, in the case of the portion 433 in which the curved section 410 of the first elastic member 400A and the second elastic member 400B is located, the outer portion (left side, left side) may be used to allow a change in curvature of the curved section 410. In the post, it is wider toward the right). As a result, the connector 430 may naturally allow the deformation necessary to provide the elastic force while stably supporting the first elastic body 400A and the second elastic body 400B. The fitting grooves 431 and 433 are formed at one of the front of the connector 430 and the other at the rear of the connector 430. This is to reduce the thickness of the product by making the first elastic member 400A and the second elastic member 400B as close as possible to the base plate 100 and the mount plate 200 to which they are coupled.

As described above, according to a configuration in which the connecting body 430 is separately provided from the first elastic body 400A and the second elastic body 400B, the possibility of using the connecting body 430 more actively can be broadened. That is, when the connecting body 430 is made of soft silicone or polyacetal, which is a soft material, vibration and impact caused by the reaction of the first elastic body 400A and the second elastic body 400B generated before and after the transition point are effectively prevented. Can be absorbed. In addition, opening and closing of the cover can be made more smooth.

11 to 13 are reference views for explaining the spring operation of the present invention according to the opening and closing of the cover in the modified embodiment.

11 to 13 illustrate a state in which a cover is closed, a state passing through a transition point while being opened, and a state in which the cover is closed with respect to the main body of the mobile terminal, respectively.

Such a deformed form of the spring 400 is almost no difference in operation when opening and closing the cover compared to the spring 300 before deformation. That is, the inflection occurs in the curved section 410 of the first elastic member 400A and the second elastic member 400B during opening and closing of the cover, thereby providing the elastic force required for semi-automatic opening and closing. Here, the portion 433 in which the curved section 410 of the first elastic member 400A and the second elastic member 400B of the fitting grooves 431 and 433 of the connector 430 is located is widely formed, thereby forming the curved section 410. ) You can see that the inflection is naturally unhindered.

Although the preferred embodiment of the present invention has been described above, the present invention may use various changes, modifications, and equivalents. It is clear that the present invention can be applied in the same manner by appropriately modifying the above embodiments. Accordingly, the above description does not limit the scope of the invention as defined by the limitations of the following claims.

As described above, the spring for the slide-type portable terminal and the portable terminal using the same according to the present invention are minimized to increase the thickness of the portable terminal by a single-layer spring structure formed by bending only one layer, rather than being rolled into multiple layers. Can be reduced.

In addition, the present invention absorbs the vibration and shock caused by the spring recoil when the connector is made of a separate material is made very smooth opening and closing operation of the cover.

Claims (15)

In the slide-type portable terminal, the cover is sliding opening and closing with respect to the main body, A first elastic body having a first curved section bent in an arc shape without lamination of wires and having an elastic tendency to be restored to its original state when the curvature of the first curved section is changed; A second elastic body having a second curved section bent in an arc shape without lamination of wires and having an elastic tendency to be restored to its original state when the curvature of the second curved section is changed; A spring for a slide type portable terminal comprising a connecting body connecting the first elastic body and the second elastic body in the middle. The method of claim 1, Each end of the first elastic body and the second elastic body which is not connected to the connecting body is coupled to the main body and the cover of the portable terminal, respectively, to form a first support point and a second support point, When the opening and closing of the cover when the distance between the first support point and the second support point is minimized as a transition point within the distance that does not pass the transition point provides a force in the direction in which the cover is closed, the transition point A spring for a slide type portable terminal, characterized in that the force is provided in a direction other than the last distance the cover is opened. The method of claim 1, A spring for a slide type portable terminal, wherein one wire is bent to form a linear structure of the first elastic body, the connecting body, and the second elastic body in order. The method of claim 1, The connector has a left-right symmetrical type, the spring for the slide-type portable terminal, characterized in that the first elastic body and the second elastic body with respect to the connection body is formed in a symmetrical form with each other. The method of claim 1, The connector is provided in the form of a plate, the spring for the slide-type portable terminal, characterized in that the first elastic body and the second elastic body are connected to the left and right sides of the connector, respectively. The method of claim 5, Both ends of the connecting body are formed with a fitting groove into which the first elastic body and the second elastic body are fitted to connect the first elastic body and the second elastic body, and the fitting grooves have end portions of the first elastic body and the second elastic body. The position of the position is formed in a matched shape that can be fixed to the end, the position in which the curve section is located is wider toward the outside to allow a change in the curvature of the curved section characterized in that the slide type portable terminal spring. The method according to claim 5 or 6, The spring of claim 1, wherein the first elastic body is connected to the front surface of the connector, and the second elastic body is connected to the rear surface of the connector. The method according to claim 5 or 6, The connector is a spring for a slide-type portable terminal, characterized in that made of POM (polyoxymethylene) material for preventing friction. The method according to claim 5 or 6, The connecting body is made of solid silicone or polyacetal that is softer than the first elastic body and the second elastic body, and absorbs vibration and shock generated from the first elastic body and the second elastic body before and after the transition point. Spring for slide type portable terminals. Main body; A cover which is positioned at the front side of the main body and is opened and closed in a vertical direction; A base plate coupled to the main body or cover; A mount plate coupled to the cover or main body, to which the base plate is not coupled, and to which the base plate is slidably coupled to the base plate; The first elastic section is bent in an arch shape without the wire is stacked, the first elastic body having an elastic tendency to be restored to its original state when the curvature of the first curve section is changed, and the wire is bent in an arch shape without lamination And a second elastic body having a second curve section and having an elastic tendency to be restored to its original state when the curvature of the second curved section is changed, and a connecting body connecting the first elastic body and the second elastic body in the middle. , Each end of the first elastic body and the second elastic body which is not connected to the connecting body between the base plate and the mounting plate is coupled to the base plate and the mounting plate to form a first support point and a second support point, and when the cover is opened or closed. When the distance between the first support point and the second support point is minimized, the force is provided in the direction in which the cover is closed within a distance not exceeding the transition point, and the distance is different from the distance beyond the transition point. A mobile terminal, characterized in that to provide a force in the opening direction of the cover. The method of claim 10, One wire is bent to form a linear structure of the first elastic body, the connecting body, and the second elastic body, and the connecting body is symmetrical with respect to the connecting body. Mobile terminal, characterized in that formed in a symmetrical form. The method of claim 10, The connecting body is provided in a plate shape, and the first elastic body and the second elastic body are connected to both left and right sides, respectively, and the first elastic body and the second elastic body are connected to both sides of the connecting body for the first elastic body and the second elastic body. A fitting groove is formed in which an elastic body is fitted, and the fitting groove is formed at a position where the ends of the first elastic body and the second elastic body are formed in a matched shape to fix the ends, and the curved section is located. The portable terminal, characterized in that formed wider toward the outside to allow the curvature change of the curved section. The method of claim 12, wherein the first elastic body is connected to the front of the connector, the second elastic body is connected to the rear of the connector, the connector is made of a polyoxymethylene (POM) material to prevent friction Characterized by a mobile terminal. The method of claim 10, The spring is provided in a pair of two, the mobile terminal, characterized in that provided with each other up and down symmetrical. The method of claim 10, The base plate is formed along the vertical direction of the "c" -shaped fitting portion bent inward to the left and right ends, and further includes a bracket which is fitted to each of the fitting portion and formed with a sliding slit inside, The mount plate is a mobile terminal, characterized in that it is provided with a sliding piece of "b" shaped to be slidably fitted corresponding to the sliding slit by bending outward at both ends.

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