KR20060098564A - Sliding apparatus for a slide-type communication mobile terminal - Google Patents

Abstract

The present invention has a good feeling of sliding by a plurality of means for separating the fixed point and the sliding point, the slider guide is directly slidably coupled to the front lower case of the front housing to minimize the excellent assembly and the deviation due to the gap. It is an object of the present invention to provide a slide device for a slide mobile communication terminal.

The slide device of the slide mobile communication terminal of the present invention for achieving the above object, the front housing coupled by the case of the front upper case and the front lower case; And a rear housing coupled to a case occlusion of the rear upper case and the rear lower case to perform sliding relative to the front housing. The slide type mobile communication terminal is integrated with the front lower case during injection molding. At least one guide slit formed to have a long groove shape and having a guide step integrally formed at one side thereof; And at least one slider integrally provided with a slider jaw which is slidably coupled to the guide slit and is formed in a slidable relationship with the guide step.

Slider, Separator, Slider, Slider Jaw

Description

Sliding apparatus for a slide-type communication mobile terminal

1 is a perspective view for explaining a semi-automatic slide module for a terminal according to the prior art;

2 is a cross-sectional view of a main body of a slide apparatus of a slide type mobile communication terminal according to a first embodiment of the present invention;

3 is a bottom view of the first slider shown in FIG. 2;

4 is a plan view of the first slider shown in FIG. 3;

5 is a bottom view for explaining the outer surface shape of the front lower case of the front housing of the slide type mobile communication terminal shown in FIG.

FIG. 6 is a bottom view for explaining the inner surface shape of the back upper of the rear housing of the slide type mobile communication terminal shown in FIG.

7 is a bottom view of a second slider according to a second embodiment of the present invention;

8 is a plan view of the second slider shown in FIG.

Fig. 9 is a bottom view for explaining the outer surface shape of the front lower case of the front housing to which the second slider shown in Fig. 7 is to be mounted;

10 is a perspective view for explaining the shape of the leaf spring shown in FIG.

11 is a bottom view for explaining a coupling relationship between a third slider and a front lower case of a front housing according to a third embodiment of the present invention;

12 is a perspective view of the third slider shown in FIG. 11;

FIG. 13 is a bottom view and an enlarged perspective view for explaining the shape of the convex concave-convex to be coupled to the third slider in section “A” shown in FIG. 11;

14A and 14B are a plan view and a bottom view of the rear upper case of the rear housing for explaining the fixing relationship of the third slider shown in FIG.

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

10: front housing 11: front upper case

12: lower front case 13: restraint guide groove

20: rear housing 21: rear upper case

22: rear lower case 23: restraint projection

110, 120, 130: Slider 111: Slider Jaw

112, 113: fixed groove 114: inclined groove

134: concave-convex groove 210, 220, 230: guide slit

211: guide step 212, 213: fixing protrusion

240: leaf spring 300: reinforcement plate

310: fixing screw 340: convex concave

The present invention relates to a slide device of a slide open / close type mobile communication terminal (hereinafter referred to as a slide type mobile communication terminal), and more particularly, a slide device of a slide type mobile communication terminal having a sliding structure between a rear housing and a front housing. It is about.

In general, a mobile communication terminal has a foldable opening / closing method from a straight bar type to a flip type, and has further evolved into a swivel-foldable type in which a slide open / close type, a multifold type, a swing type, and a folder rotate 180 degrees.

In particular, the slide open / close portable terminal comprises a rear housing provided with a keypad, a microphone, a front housing provided with an LCD display, a speaker, a navigation key, and the like, and a slide module interposed between the respective housings and engaged in sliding operation. have.

That is, as shown in Figure 1, the semi-automatic slide module (3, 4) for the portable terminal according to the prior art is coupled between the rear housing (1) and the front housing (2), the slider 3 and the guide plate It consists of (4).

Here, the rear housing 1 consists of an upper case 1a and a lower case 1b, and the front housing 2 also consists of an upper case 2a and a lower case 2b.

The guide plate 4 is mounted in accordance with the guide plate mounting hole formed in the outer surface of the lower case 2b of the front housing 2, and the slider 3 is axially oriented inside the guide plate 4. It is slidably coupled along.

Such a slider 3 has a plurality of screw fastening grooves, and as the fastening screws are fastened in a state where the screw fastening grooves coincide with the mounting holes of the upper case 1a of the rear housing 1, the rear housing 1 It is coupled to the upper case (1a) of.

However, the slide module according to the prior art has a complicated structure as well as a complicated structure by having a fixing means consisting of a spring and a ball so that the user can feel the time when the slider is fixed while sliding on the guide plate has a disadvantage that the assembly operation is quite difficult. .

In addition, the guide plate mounting hole must be formed in the lower case of the front housing because of the slide module of the prior art, and the structural rigidity of the front housing is relatively weak due to the formation of the guide plate mounting hole, and further, the external force slides. There is a fear that the main circuit may be broken by being directly transmitted to the main circuit inside the rear housing by the module.

In addition, the gap between the slide module and the guide plate mounting hole of the prior art has a problem that the foreign matter is not only dirty, but also become a breeding place of bacteria.

In addition, since the slide module of the prior art is coupled to the front housing and the rear housing separately in a state where the slider and the guide plate are configured as described above, a gap exists in the slider and the guide plate itself. Since it is fixed to the lower case of the front housing and the slider is fixed to the upper case of the rear housing, the gap has a lot of deviation depending on the tightening amount of the fixing screw, the sliding feeling is different for each product, and the assembly work for adjusting this is very It is difficult to have a problem of poor assembly.

In addition, the slide module of the prior art is difficult to manufacture because of its complicated structure, there is a problem that can not be restored when deformed by an external force because it is manufactured by a press.

Accordingly, the present invention for solving the above problems is good sliding feeling by a plurality of means for separating the fixed point and the sliding point, the slider guide is slidably coupled to the front lower case of the front housing is excellent It is an object of the present invention to provide a slide device of a slide type mobile communication terminal capable of minimizing deviation due to assembly and gap.

The present invention for achieving the above object, the front housing coupled by the case occlusion of the front upper case (front upper) and the front lower case (front lower) and the rear upper case (to perform a sliding relative to the front housing) A slide device of a slide type mobile communication terminal having a rear housing coupled by a case occlusion of a back upper and a back lower case, wherein the front lower case is integrally formed to have a long groove shape in injection molding. At least one guide slit integrally having a guide step on one side thereof; It provides a slide device of the slide-type mobile communication terminal, characterized in that it comprises at least one slider coupled to the guide slit so as to be slidably coupled to the guide step and integrally formed in a sliding treatment relationship.

In addition, according to the present invention, the slider maintains a horizontal distance from each other in the width direction from the upper surface of the rear upper case, in the state in which the axial direction of the slider to the longitudinal direction of the rear housing, It is preferable to be fixed to the rear upper case by a reinforcement plate and a plurality of fixing screws attached to the rear surface.

In addition, according to the present invention, any one of the grooves (upper and lower fixing grooves, inclined grooves or concave-convex grooves) of the slider, the fixing projections, the plate to generate a role and click feeling as a stopper when opening and closing the mobile communication terminal It is preferable to have a structure which is bound to one of a spring and a convex-concave.

In addition, according to the present invention, it is preferable that a plurality of restraining guide grooves or restraining protrusions are formed to correspond to one of the surfaces of the front lower case and the rear upper case.

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

2 is a cross-sectional view of a main body of a slide device of a slide type mobile communication terminal according to a first embodiment of the present invention, FIG. 3 is a bottom view of the first slider shown in FIG. 2, and FIG. 4 is shown in FIG. Top view of the first slider. 5 is a bottom view illustrating the outer surface shape of the front lower case of the front housing of the slide type mobile communication terminal shown in FIG. 2, and FIG. 6 is a rear view of the rear housing of the slide type mobile communication terminal shown in FIG. It is a bottom view for demonstrating the inner surface shape of an upper case.

As shown in FIG. 2, the slide-type mobile communication terminal to which the present invention is applied is, for example, a mobile communication terminal device of a type capable of sliding the front housing 10 and the rear housing 20.

The front housing 10 is a front upper case 11 disposed on the trademark surface of the LCD display and a front lower case 12 that is fitted to such a front upper case 11 to secure a mounting space of a predetermined internal circuit. consist of.

The rear housing 20 is disposed below the front housing 10, and is disposed on the rear upper case 21 facing the front lower case 12 of the front housing 10, and on the rear upper case 21. It consists of a rear lower case 22 to secure the mounting space of the main circuit (not shown).

The slide device of the slide-type mobile communication terminal of the present invention is for sliding operation of the front housing 10 and the rear housing 20 described above, and includes a first slider 110 and a first guide slit 210. .

The first slider 110 exists as a plurality of simple structures that can be produced by injection molding, but compared with the prior art, compared to the prior art slider jaw 111 without deformation compared to the slider module of the prior art formed by pressing. It has a structural feature formed.

Each of the first sliders 110 maintains a horizontal distance from the upper surface of the rear upper case 21 in the width direction, and matches the axial direction of the first sliders 110 with the longitudinal direction of the rear housing 20. In, the rear upper case 21 is fixed to the rear upper case 21 by a reinforcement plate 300 and a plurality of fixing screws 310 padded on the back.

The first guide slit 210 is formed integrally at the time of injection molding of the front lower case 12 of the front housing 10 to have a long groove shape, and each of the first sliders 110 has a finite distance in the axial direction. It can slide as much as possible, and serves to stop at the end of the first guide slit 210 in the axial direction.

In particular, the first guide slit 210 has a guide step 211 on one side thereof, such a guide step 211 is integral to the front lower case 12 to be united in a sliding treatment relationship with the slider jaw 111. Is formed.

As such, the first guide slit 210 may be formed by direct injection into the front lower case 12 so that the use of the fixing screw 310 may be limited only to the first slider 110, so that the fixed screw ( The utilization rate of 310 is minimized as compared with the prior art.

In addition, the slide device of the slide-type mobile communication terminal of the present invention further comprises a plurality of restraining guide grooves 13 and a plurality of restraining protrusions 23 which play a part of the role of minimizing the fluidity to the left / right side when the slide is operated. It is preferable to form.

For example, on both sides of the bottom surface of the front lower case 12 of the front housing 10, at least one or a pair of restraint guide grooves 13 are formed in the longitudinal direction of the front housing 10 as a long groove shape to restrain left and right swings. It is.

In addition, the upper surface of the rear upper case 21 of the rear housing 20 is formed to be slidably corresponding to the restraint guide groove 13 to form at least one or a pair of restraining protrusions 23 having a straight shape. It is preferable that it is done.

Here, it is a matter of course that the formation position of the restraint guide groove 13 and the restraint protrusion 23 may be mutually changed by a simple design change. For example, unlike the drawing, the restraint guide groove 13 may be formed on the upper surface of the rear upper case 21 of the rear housing 20. In this case, the restraint protrusion 23 is the front of the front housing 10. It will be formed on the bottom of the lower case 12.

In addition, in another modification, a plurality of restraint guide grooves 13 and restraint protrusions 23 may be formed in the rear upper case 21 and the front lower case 12 which face each other in an alternating arrangement. .

As shown in FIG. 3, one of the plurality of first sliders 110 protrudes the slider jaw 111 on one side except for both ends in the longitudinal direction, and the other side is formed to be flat to both ends. .

In particular, the bottom of the first slider 110 is actually a sliding contact surface. The upper fixing grooves 112 and the lower fixing grooves 113 are formed in the bottoms (sliding surfaces) of the both ends of the first slider 110.

As shown in Fig. 4, one of the plurality of first sliders 110 forms a plurality of fixing screw holes 114 in the upper surface thereof (the surface opposite to the sliding surface).

As shown in FIG. 5, the front lower case 12 has a plurality of restraint guide grooves 13 formed on both sides, as mentioned above, and the plurality of aforementioned restraint guide grooves 13 inwards. First guide slits 210 are formed.

Here, the user's feeling of sliding at the fixed and sliding time corresponding to the upper fixing groove 112 and the lower fixing groove 113 of the first slider 110 on the bottom end of both ends of the first guide slit 210. The upper fixing projections 212 and the lower fixing projections 213 having a depth and a diameter that can inform them are formed, respectively.

 As shown in FIG. 6, the reinforcement plate 300 is disposed at the bottom of the rear upper case 21, but the reinforcement plate seating portion 320 recessed corresponding to the thickness of the reinforcement plate 300 in order to limit its fluidity. It is preferable to be seated on the back side).

The reinforcement plate 300 serves to reinforce the coupling structure of the fixing screw, and to support the rear upper case 21 in the thickness direction so that the external force transmitted through the first slider is not transmitted to the main circuit. As a result, it has a structure to reinforce the structural weakness caused by the fixing of the first slider.

The reinforcing plate 300 has a through-hole 301 of the plate head shape, which is equivalent to the head shape of the fixing screw 310, respectively, in the same position as the fixing screw hole 114 of the first slider 110 mentioned above. It is preferable that it is formed.

The plurality of first slides 110 described in detail above are coupled to the rear upper case 21 by the fixing screw 310 and the reinforcing plate 300, and the first guide slit 210 of the front lower case 12 is provided. Coupled to the sliding treatment, the slider jaw 111 of the first slide 110 is combined with the guide step 211 of the first guide slit 210, eventually, the front housing 10 and the rear housing It is possible to realize the sliding operation of the mobile phone while preventing the mutual separation of the (20).

At this time, the constrained guide groove 13 and the constraining protrusion 23 mutually prevent the left and right swings of the front housing 10 and the rear housing 20.

In addition, in particular, the upper fixing groove 112 and the lower fixing groove 113 of the first slider 110, respectively, the upper fixing protrusion 212 and the lower fixing protrusion 213 of the first guide slit 210, respectively. When occlusal, the user is informed of a good feeling of sliding and clicking in response to a certain stop point and sliding start point.

 The slide device of the slide-type mobile communication terminal described in another embodiment of the present invention forms a concave inclined groove with an inclined depression structure at one end of the second slider, and the inclined groove when up / down sliding of the front housing. It is similar to or identical to the configuration of the first embodiment described above, except that it further includes a leaf spring that is bound to implement a click feeling. Therefore, the same or similar reference numerals will be given to the same or equivalent components in Figs. 2 to 10, and the description thereof will be omitted here.

7 is a bottom view of the second slider according to the second embodiment of the present invention, and FIG. 8 is a plan view of the second slider shown in FIG. 9 is a bottom view for explaining the outer surface shape of the front lower case of the front housing to which the second slider shown in FIG. 7 is to be mounted, and FIG. 10 is a perspective view for explaining the shape of the leaf spring shown in FIG. .

First, as shown in FIG. 7, one of the plurality of second sliders 120 protrudes the slider jaw 111 on one side except for both ends in the longitudinal direction, as described in detail in the above embodiment. The other side is formed to be flat to both ends.

In particular, a plurality of through holes 122 penetrated in the thickness direction are formed in the center of the body of the second slider 120 while maintaining a predetermined distance in the longitudinal direction.

Such a through hole 122 may provide a smoother sliding to the present invention as it reduces the frictional force by reducing the sliding surface, and the through hole 122 also serves as a screw hole for the fixing screw. .

In addition, at one end of the second slider 120, an inclined groove 124 is formed in a concave depression structure. The inclined groove 124 concave in the inclined depression structure is composed of a starting portion 124a which is inclined slightly downward and is gradually recessed from the friction surface, and a recessed portion 124b that is dug deeper than such a starting portion 124a. have.

In addition, as shown in FIG. 8, an alignment nail 126 is formed in the middle portion based on the plurality of through holes 122 described above to easily couple the second slider 120 to the fixed position of the rear upper case. It is preferable that it is done.

Here, although not shown in the fixed position of the rear upper case, of course, the alignment groove (not shown) corresponding to the alignment nail 126 is formed.

9 and 10, a plurality of second guide slits for sliding and guiding the plurality of second sliders 120 on the bottom (outer surface) of the front lower case 12 in the same manner as described above. 220 is formed.

One side end (lower) coincides with the shaft center of the second guide slit 220 by using elastic to the inclined groove 124 of FIG. 7 as a spring indicating the feeling of click and stop and sliding time ( 240 is fixed.

For example, a plurality of injection molded fixtures 14 protrude from the one end (lower portion) of the second guide slit 220, and each of the fixtures 14 includes a plurality of fastening holes formed in the leaf spring 240. 244, respectively, and then unfolded by heat fusion, thereby eventually fixing the leaf spring 240 to the front lower case 12.

As shown in Fig. 10, the leaf spring 240 is press-formed with a material having elasticity similar to that of a conventional leaf spring.

The leaf spring 240 has a fixed end 241 formed with a fastening hole 244, a support surface 242 formed horizontally bent and extended at a side of the fixed end 241, and such a support surface At 242, too, it is made of an elastic protrusion 243 which is narrowly extended and then bent at 180 ° to form an inclined surface. As the elastic protrusion 243 is fastened to the recessed portion 124b of the inclined groove 124 as described with reference to FIG.

The slide device of the slide-type mobile communication terminal described in another embodiment of the present invention forms recessed groove-shaped recessed grooves on both sides of the other end of the third slider, respectively, and slides up and down the front housing or the rear housing. when the first and second embodiment and is the same or similar are previously described, except that it further comprises a convex hardware required to implement click feeling is fastened respectively in the concave groove irregular. Therefore, the same or similar reference numerals will be given to the same or equivalent components in Figs. 2 to 14B, and the description thereof will be omitted here.

11 is a bottom view illustrating a coupling relationship between a third slider and a front lower case of a front housing according to a third embodiment of the present invention, and FIG. 12 is a perspective view of the third slider shown in FIG. Fig. 13 is a bottom view and an enlarged perspective view for explaining the shape of the convex concave-convex to be coupled to the third slider shown in " A " in Fig. 11, and Figs. 14A and 14 show the fixing relationship of the third slider shown in Fig. 11; It is a top view and a bottom view of the rear upper case of a rear housing for demonstrating.

First, as illustrated in FIGS. 11 to 13, the plurality of third sliders 130 respectively form at least one concave-convex groove 134 having recessed groove shapes on both sides of the other end thereof, and the front lower case 12. In each of the third guide slit 230 formed by the stepped structure (sliding fastening structure between the slider jaw and the guide step mentioned in the previous embodiment) is slidably coupled.

The convex concave-convex 340 having a shape for performing elastic fastening corresponding to each of the third sliders 130 is press-processed with a material having elasticity similar to that of a conventional leaf spring, and the overall layout is rectangular or circular. It has a shape of 'c' or 'C', and its one side is open, and at least one mountain-like protrusion 344 is formed to face each other on a portion of the inner surface of the inner side that is open.

This convex concave-convex 340 is fitted to the other end (upper) in accordance with the axis of the third guide slit 230 in the front lower case 12 (for example, heat-sealing method, fit into the recessed groove) Method). At this time, in the state in which the open side of the convex concave-convex 340 is disposed toward the third guide slit 230, the end portion of the third guide slit 230 coincides with the vertical lower portion of the convex concave-convex 340. It is preferable.

Since the convex concave-convex 340 provides elasticity to the projection 344 by its shape, the click sensation and the stopper when the projection 344 is engaged with the concave-convex groove 134 of the third slider 130. It will implement the role as.

As a stopper in the description of the present invention, one of the means for maintaining elasticity in the grooves or the concave-convex grooves of the first, second, and third sliders described above, that is, the fixing protrusion, the leaf spring, and the convex concave-convex material, is bound. This means that the first, second, and third sliders are stopped and open only when an external force is applied by the user's hand.

As shown in FIGS. 14A and 14B, the third slider 130 is coupled to the rear upper case 21 such that its sliding surface 139 is exposed to the outside of the rear upper case 21.

On the back of the rear upper case 21, as described above, the reinforcement plate 300 is padded, and the fixing screw is fastened through the screw fastening hole 399 corresponding to the fixing screw hole of the third slider 130. At this time, the third slider 130 is tightly fixed to the rear upper case 21.

In the present invention configured as described above, there is a structural feature that does not deform because the slider or the guide slit is formed by injection molding, and the fixing screw is used less when assembling the front and rear housings into one set. It is excellent in assemblability, and it has at least a plurality of restraint guide grooves and a restraint protrusion to minimize the fluidity of the left and right sides when the slide is operated, and the front housing and the rear housing are It is a structure to prevent separation from each other after assembling, and there is no guide plate mounting hole for mounting the slide module in the front lower case, so that no foreign matter flows into it. As there is almost no gap variation, workability or slice Ding has a certain effect.

That is, the slide device of the slide-type mobile communication terminal according to the present invention can be manufactured by injection molding a conventional slide module made of a conventional press product, so that it can be relatively easily processed and the assembly is simple to improve mass productivity. Giving effect.

In addition, the slide device of the slide-type mobile communication terminal according to the present invention, when the slide module is manufactured as a press product, as in the conventional method, the sliding operation is not smooth when deformation, the present invention is structurally simple to adopt the injection molding processing method As it can be durable, the choice of wear-resistant resin also has a wide effect.

In addition, the slide device of the slide-type mobile communication terminal according to the present invention has a mechanism of clicking when the slide-up mobile communication terminal slides up within a limited stroke and when mechanically slides down. There is an effect of implementing a structure that can give the user a confidence to feel the state when the user opens or closes the slide-type mobile communication terminal.

In addition, the slide device of the slide-type mobile communication terminal according to the present invention has a stopper structure for fixing the slide is implemented in the slide-type mobile communication terminal to open and close the slide-type mobile communication terminal by applying an external force, the slide-type mobile communication As a structure that operates when the terminal is fully opened and closed, the slide type mobile communication terminal can be prevented from opening when it is not intended, and the slide type mobile communication terminal can be prevented from being closed during a call.

Claims (4)

A slide type mobile communication having a front housing coupled by case occlusion of the front upper case and a front lower case, and a rear housing coupled by case occlusion of the rear upper case and the rear lower case to perform sliding relative to the front housing. In the slide device of the terminal, At least one guide slit formed integrally with the long groove shape at the time of injection molding of the front lower case, and having a guide step in one side thereof integrally; At least one slider integrally provided with a slider jaw that is slidably coupled to each of the guide slits to be slidably coupled to the guide step. Slide device of a mobile communication terminal. The method of claim 1, The slider is Reinforcement plates and a plurality of fixings attached to the rear surface of the rear upper case while maintaining horizontal distances from the upper surface of the rear upper case in a width direction and matching the axial direction of the slider to the longitudinal direction of the rear housing. Fixed to the rear upper case by screws Slide device of a mobile communication terminal. The method of claim 1, The slider is any one of the upper and lower fixed grooves, the inclined recessed concave grooves or concave-convex grooves are formed, any one of which is provided in the guide slit to generate a role and click feeling as a stopper when opening and closing the terminal Has a structure that is bound to one of the fixing projection, leaf spring, convex concave Slide device of a mobile communication terminal. The method of claim 1, A plurality of restraining guide grooves or a plurality of restraining protrusions are formed to correspond to one of the surfaces of the front lower case and the rear upper case. Slide device of a mobile communication terminal.

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