JP2013110642A - Portable terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable terminal capable of attaching a side cover for covering a side key provided on a side face of housing without restricting a degree of freedom in size of the portable terminal.SOLUTION: A portable terminal 10 includes: a housing 20; a plurality of side key base plates 61 provided on a side face of the housing 20; and a key cover 64 attached to a side face of the housing 20 and covering openings 641 provided corresponding to the plurality of side key base plates 61. The key cover 64 has arm parts 65 having claw parts 651 in tip ends of the arm parts 65 and is attached to the side face by engaging the arm parts 65 with step portions 431 on an inner side of side face recesses 43 formed in the side face of the housing 20. Accordingly, a necessary space in a thickness direction of the housing 20 can be suppressed, allowing the key cover 64 covering the side key base plates 61 provided in the side face of the housing 20 to be attached without restricting a degree of freedom in size and shape of the portable terminal 10.

Description

  The present invention relates to a portable terminal having a side key on a side surface of a housing.

Conventionally, a portable terminal in which a side key is provided on a side surface of a housing is known (for example, see Patent Document 1).
As illustrated in FIG. 16, the mobile terminal 100 described in Patent Literature 1 includes a casing 101 having waterproofness. A side key portion 104 having a slide key 102 and a push button 103 is provided on the side surface of the housing 101. A key cover 105 is attached to the upper side (outside) of the slide key 102 and the push button 103.

The key cover 105 is provided with a key top 106 for the slide key 102. When the key top 106 is slid, the slide key 102 is slid through the holder portion 108.
The key cover 105 is provided with a key top 107 for the push button 103. When the key top 107 is pushed, the push button 103 is pushed.

Japanese Patent Laid-Open No. 2008-10280 (FIG. 4)

In the portable terminal described in Patent Document 1 described above, a double-sided tape may be used when the key cover is attached to the housing.
However, in particular, in a portable terminal having a waterproof case, a certain amount of application area is required when attaching a key cover to the waterproof area of the case with double-sided tape from the outside, and the degree of freedom of the size of the portable terminal There was a problem of restricting.

  The present invention has been made to solve the conventional problems, and a portable terminal capable of attaching a side cover that covers a side key provided on a side surface of a housing without restricting the degree of freedom of the size of the portable terminal. The purpose is to provide.

  The portable terminal of the present invention includes a housing, a chamfered portion provided along a ridge line between the side surface and the back surface of the housing, a plurality of side keys provided on the side surface, and the side keys. A key cover that is attached to the side surface, and an arm portion that is provided closer to the chamfered portion than the opening in the key cover and is inserted into a side recess provided in the side surface And a claw portion that is provided at the tip of the arm portion and engages with a step portion provided on the back side of the side recess.

  Further, in the portable terminal of the present invention, the housing has a case and a cover, and is provided on the cover, and a cover step portion formed at a front end portion in a protruding direction of a cover rib protruding toward the case; A case step portion provided at a base end portion of a case rib provided on the case and projecting toward the cover, and engaging the cover step portion, and the side surface at the base end portion of the case step portion A recess is provided.

  The portable terminal of the present invention has a plurality of the arm portions, is formed at the front end portion of the cover rib in the protruding direction, and is accommodated in the groove portion along the continuous direction of the cover rib, and is accommodated in the groove portion. An electric wire connected to at least one of the first circuit board and the second circuit board, and a plurality of box portions provided at a base end portion of the case rib corresponding to the side surface recess, The box part regulates dropping of the electric wire from the groove part.

  Furthermore, in the portable terminal of the present invention, each arm is provided between each side key.

  In the present invention, the key cover has an arm portion having a claw portion at the tip, and the arm portion is attached by engaging with a step portion on the back side of the side recess provided on the side surface of the housing. For this reason, the space required in the thickness direction of the housing can be reduced, and a side cover that covers the side key provided on the side surface of the housing is attached without restricting the degree of freedom of the size and shape of the mobile terminal. It is possible to provide a portable terminal having the effect of being able to.

(A) is the perspective view which looked at the portable terminal of embodiment which concerns on this invention from the upper surface side, (B) is the perspective view seen from the lower surface side. An exploded perspective view of the portable terminal viewed from the bottom side The exploded perspective view which looked at the case and the cover from the inner surface side (A) is an enlarged view of IV part in FIG. 3, (B) is sectional drawing of the BB position in (A). Enlarged view of part V in Fig. 3 Enlarged view of VI in Fig. 3 The perspective view seen from the VII direction in FIG. Enlarged view seen from VIII direction in Fig. 3 An enlarged perspective view seen from the X direction in FIG. Exploded perspective view of key cover A plan view of the mobile terminal viewed from the case side Sectional view of position XIII-XIII in FIG. Sectional view at XIV-XIV position in FIG. Sectional view at XV-XV position in FIG. Sectional view at XVI-XVI position in FIG. An exploded perspective view of a conventional transmission / reception device having wiring inside a housing

Hereinafter, a mobile terminal according to an embodiment of the present invention will be described with reference to the drawings.
As shown to FIG. 1 (A) and (B), as the portable terminal 10 of embodiment which concerns on this invention, a smart phone can be used, for example, and it has the rectangular box-shaped housing | casing 20. As shown in FIG.
In the following description, the upper side is referred to as the upper side in a state where the user normally operates the operation unit, and the lower side is referred to as the lower side in the use state.

The housing 20 includes a box-shaped case 21 that opens upward, and a cover 22 that covers the opening of the case 21.
The cover 22 is insert-molded with a sheet metal member 25 (see FIG. 12) for ensuring strength, and the surface is covered with resin. The cover 22 has, for example, a touch panel 221 having a display unit and an operation unit on the upper surface 222.

Case 21 is formed of resin. The case 21 has a rectangular plate-like bottom plate 23 and a vertical wall 24 provided on the entire circumference along the outer periphery of the bottom plate 23. Further, a ring-shaped frame 231 is provided on the lower surface of the front portion of the bottom plate 23, and a camera lens cover 232 that covers a through hole for the camera 28 (see FIG. 2) is provided at the center of the frame 231. Yes.
The front vertical wall 241 which is the vertical wall 24 on the front surface of the case 21 is provided with a connection portion 26 with an external device. The side key part 60 which has is provided. As shown in FIG. 12, the ridgeline between the side vertical wall 242 of the case 21 that is the side surface of the housing 20 and the bottom plate 23 of the case 21 that is the back surface of the housing 20 extends over the entire circumference of the housing 20. A chamfered portion 213 is provided.

As shown in FIGS. 2 and 3, the case 21 includes a case main body 211 and a battery lid 50. The case main body 211 has an opening 233 for the battery pack 11 (see FIG. 12) on the bottom plate 23 (hereinafter referred to as “battery pack opening 233”), and the battery lid 50 is detachable from the battery pack opening 233. Cover.
The cover 22 has a battery housing part 223 capable of housing the battery pack 11 at the rear part (right side part in FIG. 2). Accordingly, the battery pack opening 233 of the case 21 is located below the battery housing portion 223 (upper side in FIG. 2) and is covered with the battery lid 50.

A first circuit board 271 is attached to the cover 22 adjacent to the front side of the battery housing portion 223. In addition, a second circuit board 272 is attached to the cover 22 on the side opposite to the first circuit board 271 and adjacent to the rear side (lower right side in FIG. 2) of the battery housing portion 223. Between the first circuit board 271 and the second circuit board 272, a flexible board 291 and a coaxial cable 292 are wired as the electric wires 29. Both ends of the flexible substrate 291 are connected to the first circuit substrate 271 and the second circuit substrate 272 via connectors or the like. For example, the coaxial cable 292 has one end connected to the first circuit board 271 and the other end connected to an antenna (not shown).
Here, the second circuit board 272 is provided integrally with the rear portion 291A of the flexible board 291.

As shown in FIG. 3, a case rib 31 protruding toward the cover 22 is provided at a position adjacent to the battery pack opening 233 in the case 21. The case rib 31 is provided over the entire circumference along the outer peripheral edge of the case 21.
Further, a cover rib 32 that protrudes toward the case 21 is provided over the entire circumference along the outer peripheral edge of the cover 22 at a position adjacent to the case rib 31 in the cover 22 (that is, a position adjacent to the battery housing portion 223). ing. As shown in FIG. 12, the cover rib 32 includes an inner cover rib 32A on the battery housing portion 223 side and an outer cover rib 32B on the outer side.
The inner cover rib 32A and the outer cover rib 32B are collectively referred to as “cover rib 32”.

FIG. 4A shows a cover 22 at the left rear end of the housing 20.
As shown in FIG. 4A, a groove portion 33 is provided along the continuous direction of the cover rib 32 at the front end portion of the cover rib 32 in the protruding direction. The electric wire 29 is accommodated in the groove 33. In FIG. 4A, a flexible substrate 291 as an electric wire 29 is accommodated (see FIG. 3). In addition, for example, a coaxial cable 292 as an antenna electric wire 29 is accommodated in the groove 33 on the opposite side (hereinafter referred to as “switch side”) across the battery accommodating portion 223 (see FIGS. 3 and 12). ).
This is because, when the flexible substrate 291 and the coaxial cable 292 of the antenna are close to each other, noise enters and the antenna performance deteriorates. Therefore, the flexible substrate 291 is arranged on the opposite side of the housing 20 and separated as much as possible.
As shown in FIG. 12, the groove 33 has a depth dimension that the electric wire 29 (here, the coaxial cable 292) is not exposed from the cover stepped portion 34.

As shown in FIG. 4 (A), a plurality of cover steps 34 having a generally concave shape are formed at the tip of the cover rib 32 in the protruding direction (upward in FIG. 4 (A)).
As shown in FIG. 5, a case step portion 35 that engages with the cover step portion 34 is provided at the tip end portion (lower end portion in FIG. 5) of the case rib 31. The case step portion 35 has an overall convex shape and has a width equivalent to the width of the cover step portion 34.

As shown in FIG. 4A, the first protrusion 36 is provided on the outer surface 321 of the outer cover rib 32 </ b> B in the cover rib 32 along the protruding direction (vertical direction) of the cover rib 32. Further, as shown in FIG. 5, the second convex portion 37 is provided on the inner surface 212 of the case 21 along the thickness direction of the case 21. The first convex portion 36 and the second convex portion 37 are provided at the same position in the longitudinal direction of the housing 20.
Therefore, as shown in FIG. 4B, when the case 21 and the cover 22 are attached, the first convex portion 36 and the second convex portion 37 are opposite to each other at the same position, and the tip surface is Line contact is made along the protruding direction of the cover rib 32.
Thereby, when the case 21 and the cover 22 are attached, the case 21 and the cover 22 are positioned in the width direction.

6 and 7 show the cover 22 at the rear end of the right side (switch side) of the housing 20.
As shown in FIG. 6, a plurality of cover step portions 34 having a generally concave shape are formed at the tip of the cover rib 32 in the protruding direction (upward in FIG. 6).

FIG. 8 shows a case 21 at the rear end of the right side (switch side) of the housing 20.
As shown in FIG. 8, a case step portion 35 that engages with the cover step portion 34 is provided at the tip end portion (the lower end portion in FIG. 8) of the case rib 31. The case step portion 35 has an overall convex shape and has a width equivalent to the width of the cover step portion 34. The case step portion 35 has a pair of fitting portions 351 that fit into the pair of concave portions 341 of the cover step portion 34, and a flat portion 352 is provided between the pair of fitting portions 351. .

Therefore, when the case 21 and the cover 22 are attached, the fitting portion 351 (see FIG. 8) of the case step portion 35 is fitted into the pair of concave portions 341 (see FIG. 9) of the cover step portion 34.
As a result, the positional relationship between the case 21 and the cover 22 in the longitudinal direction of the housing 20 and the positional relationship in the thickness direction of the housing 20 are specified.
Further, since the case step portion 35 presses the coaxial cable 292, the coaxial cable 292 is prevented from dropping from the groove portion 33.

As shown in FIG. 7, a claw portion 38 is provided on the inner surface 322 of the inner cover rib 32 </ b> A in the cover rib 32.
Further, as shown in FIGS. 2 and 13, the outer surface 311 of the case rib 31 opposite to the battery housing portion 223 has a claw recess that engages the claw portion 38 at a position corresponding to the claw portion 38 of the cover rib 32. 39 penetrates to the inner surface 312 (see FIG. 8).
Therefore, when the cover 22 is attached to the case 21, the cover rib 32 is inserted between the vertical wall 24 of the case 21 and the case rib 31. Then, the claw portion 38 of the cover rib 32 is inserted and locked into the claw recess 39 of the case rib 31 from the outer surface 311 side of the case rib 31, and the case 21 and the cover 22 are integrated (see FIG. 13).

As shown in FIG. 3, the battery lid 50 is provided with vertical ribs 512 on the entire surface along the outer peripheral edge of the upper surface 511 on the upper surface 511 (the lower surface in FIG. 3) of the rectangular plate-shaped lid body 51. It has been.
As shown in FIG. 12, the end of the vertical rib 512 is provided with a stop portion 513 that is bent outward, and the O-ring 52 is locked.
The O-ring 52 is formed in a ring shape by an elastic member such as rubber, and the entire circumference is slightly shorter than the entire circumference of the vertical rib 512. Therefore, the O-ring 52 is attached in a slightly extended state.
Thereby, when the battery cover 50 is attached to the battery pack opening 233, waterproofing is achieved.

As shown in FIG. 3, one vertical rib 512 provided in the battery cover 50 along the longitudinal direction is provided with a locking piece 514 at the tip, and the case rib 31 has a locking piece 514. A locking recess 41 to be engaged is provided.
As shown in FIGS. 3 and 12, the other vertical rib 512 is provided with a locking portion 516 having a locking claw 515, and on the inner surface 312 of the case rib 31 at a position corresponding to the locking claw 515. Is provided with a lid fixing portion 42 with which the locking claw 515 is engaged.

As shown in FIG. 2, a side key portion 60 is provided at the rear portion of the side vertical wall 242 of the case 21.
As shown in FIG. 6, a plurality of (for example, four) side key substrates 61 are provided on the outer surface 321 of the outer cover rib 32B of the cover rib 32 of the cover 22 (see FIGS. 13 and 14). .
As shown in FIG. 9, the side vertical wall 242 of the case 21 is provided with a recess 243 corresponding to the side key portion 60. The recess 243 is provided with a notch 244 corresponding to the side key substrate 61 provided on the cover 22. Further, locking projections 245 are provided on the outer surface 246 of the recess 243 so as to protrude outward at appropriate intervals.

As shown in FIG. 2, a key plate 62, a key holder 63, and a key cover 64 are attached to the recess 243.
As shown in FIG. 10, the key plate 62 is attached to the outer surface 246 of the recess 243 and has a key pressing portion 621 that penetrates the notch 244. Each key pressing portion 621 is connected by a connecting plate 622 and can be elastically deformed in the direction of arrow A in FIG. The connecting plate 622 has a plurality of locking holes 623, and the locking holes 623 are attached to the locking protrusions 245 of the recesses 243.
As a result, the key pressing portion 621 passes through the notch 244 of the recess 243, and the tip faces the side key substrate 61.

  As shown in FIG. 10, the key holder 63 is provided with a plurality of key tops 632 having pressing protrusions 631 corresponding to the key pressing portions 621 of the key plate 62. Each key top 632 is connected via a spring member 633, and the spring member 633 has a connecting portion 634. Each connecting portion 634 is provided with a locking hole 635.

Therefore, the pressing projection 631 is inserted into the key pressing portion 621 of the key plate 62 from the outside by locking the locking hole 635 of the connecting portion 634 with the locking projection 245 of the recess 243. The lower part of the key cover 64 (upper part in FIG. 12, the battery cover 50 side) is attached to the case 21 by a locking claw 515.
On the other hand, the upper part (the lower part in FIG. 12, the touch panel 221 side) of the key cover 64 is fixed to the case 21 with a double-sided tape 66.

As shown in FIG. 10, the key cover 64 is provided with a plurality of openings 641 corresponding to the key tops 632 of the key holder 63. Further, a locking hole 642 is provided corresponding to the locking projection 245 of the recess 243.
On the inner surface 643 of the key cover 64, a plurality of (in this case, for example, three) arm portions 65 are provided so as to protrude inward.
As shown in FIG. 12, the arm portion 65 has a claw portion 651 at the tip. The arm portion 65 is disposed between the adjacent side key substrates 61 on the chamfered portion 213 side with respect to the opening 641. On the other hand, the case step portion 35 which is the side surface of the case 21 is provided with a side recess 43 into which the arm portion 65 is inserted (see FIG. 15).
Accordingly, the key cover 64 is attached to the concave portion 243 of the case 21 by inserting the arm portion 65 into the side concave portion 43 and locking the step portion 431 of the side concave portion 43 with the claw portion 651 at the tip of the arm portion 65.

12, the upper end surface 313 of the case rib 31 as the upper end surface (the lower end surface in FIG. 12) of the case 21 is used as the lower end surface (the upper end surface in FIG. 12) of the cover 22 by the double-sided tape 44. Bonded to the cover rib 32.
Accordingly, a water stop line L1 (indicated by a dotted line in FIG. 12) that is a boundary between the waterproof region and the non-waterproof region passes through the battery lid 50, the O-ring 52, the case rib 31, and the double-sided tape 44 and reaches the cover rib 32. . For this reason, since the side key part 60 is outside the waterproof line L1 and is in a non-waterproof region, the key cover 64 is not required to be waterproof.

As described above, according to the mobile terminal 10 of the embodiment according to the present invention described above, the key plate 62, the key holder 63, and the key cover 64 are attached to the recess 243 provided on the side surface of the housing 20.
The key cover 64 has an arm portion 65 having a claw portion 651 at the tip, and the arm portion 65 is attached by engaging with a step portion 431 on the back side of the side recess 43 provided on the side surface of the housing 20. It is done. For this reason, the space required in the thickness direction of the housing 20 can be suppressed, and the side key substrate 61 provided on the side surface of the housing 20 is covered without restricting the degree of freedom of the size and shape of the mobile terminal 10. A key cover 64 can be attached.

Further, the cover 22 is provided with a cover step 34 (see FIGS. 6 and 7), and the case 21 is provided with a case step 35 (see FIGS. 5 and 8) to engage the cover step 34 and the case step 35. By aligning, the case 21 and the cover 22 are positioned. Since the side concave portion 43 is provided at the base end portion of the case step portion 35, it is not necessary to separately provide a structure for locking the claw portion 651 at the tip of the arm portion 65, and the degree of freedom of the size and shape of the mobile terminal 10 is increased. Increase.
In addition, since the side recess 43 is provided at the base end portion of the case step portion 35, the side recess 43 can be provided outside the waterproof region even in the case 20 having waterproofness. For this reason, waterproof performance is not impaired.

  Moreover, the groove part 33 (refer FIG. 7) is formed in the protrusion direction front-end | tip part of the cover rib 32 along the continuous direction of the cover rib 32, and the electric wire 29 (refer FIG. 3) is accommodated. In addition, fitting portions 351 (see FIG. 8) are provided at the base end portion of the case 21 rib so as to correspond to the plurality of side surface concave portions 43 that lock the arm portion 65. Since the electric wire 29 of the groove part 33 is suppressed at a plurality of locations, the electric wire 29 can be prevented from falling off.

  Further, since each arm portion 65 is provided between the side key substrates 61, it is not necessary to turn the double-sided tape under the key as in the case of normal double-sided tape fastening, and the key + double-sided tape portion is provided. The width space can be reduced.

  The portable terminal of the present invention is not limited to the above-described embodiment, and appropriate modifications and improvements can be made.

  As described above, in the portable terminal according to the present invention, the key cover has the arm portion having the claw portion at the tip, and the step portion on the back side of the side recess provided on the side surface of the housing. It is engaged and attached. For this reason, the space required in the thickness direction of the housing can be reduced, and a side cover that covers the side key provided on the side surface of the housing is attached without restricting the degree of freedom of the size and shape of the mobile terminal. It is effective as a portable terminal having a side key on the side surface of the housing.

DESCRIPTION OF SYMBOLS 10 Portable terminal 20 Case 21 Case 213 Chamfer 22 Cover 242 Side vertical wall (side surface)
271 First circuit board 272 Second circuit board 291 Flexible board (electric wire)
292 Coaxial cable (electric wire)
31 Case rib 32 Cover rib 33 Groove part 34 Cover step part 35 Case step part 352 Flat part (box part)
43 Side recess 431 Step part 61 Side key board (side key)
64 Key cover 641 Opening 65 Arm 651 Claw

Claims (4)

A housing,
A chamfered portion provided along a ridge line between a side surface and a back surface of the housing;
A plurality of side keys provided on the side surface;
A plurality of openings at positions corresponding to the plurality of side keys, and a key cover attached to the side surface;
An arm portion provided on the chamfered portion side of the opening in the key cover and inserted into a side recess provided on the side surface;
A nail | claw part provided in the front-end | tip of the said arm part, and engaging with the level | step-difference part provided in the back | inner side of the said side surface recessed part. The mobile terminal according to claim 1,
The housing has a case and a cover;
A cover step provided on the cover and formed at the tip of the protruding direction of the cover rib protruding toward the case;
A case step provided at the base end portion of the case rib provided on the case and projecting toward the cover, and engaged with the cover step.
A portable terminal in which the side recess is provided at a base end of the case step. The mobile terminal according to claim 2,
While having a plurality of the arms,
A groove formed along the protruding direction of the cover rib and extending along the continuous direction of the cover rib;
An electric wire housed in the groove and connected to at least one of the first circuit board and the second circuit board housed in the cover;
A plurality of box portions provided at the base end portion of the case rib corresponding to the side surface recess,
The box part is a portable terminal that regulates the dropping of the electric wire from the groove part. The mobile terminal according to claim 3,
Each arm is a mobile terminal provided between the side keys.

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