JP2013106196A - Portable terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable terminal which prevents an increase in size of a housing due to wiring in the housing.SOLUTION: A cover step part 34 is formed on a top end of a cover rib 32 in a protruding direction, a case step part 35 is provided on a base end on an opposite side to a battery housing part 223 in a case rib 31 to be engaged with the cover step part 34, so that a housing 20 can be positioned in a longitudinal direction. A first convex part 36 is provided on an outer surface on an opposite side to the case rib 31 in the cover rib 32 along the protruding direction of the cover rib 32 and a second convex part 37 in line contact with the first convex 36 along the protruding direction of the cover rib 32 in an inner surface of the case 21. Thereby, the housing 20 can be positioned in the width direction. A claw 38 is provided on an inner surface of the case rib 31 in the cover rib 32 and a recess 39 for the claw which is engaged with the claw 38 is provided on an outer surface on an opposite side to the battery housing part 223 in the case rib 31, so that the case 21 and the cover 22 are certainly installed.

Description

  The present invention relates to a portable terminal having wiring inside a housing.

Conventionally, in an electronic device such as a portable terminal, wiring by an electric wire is usually performed inside a housing (for example, see Patent Document 1).
As illustrated in FIG. 16, the transmission / reception device 100 described in Patent Literature 1 includes a housing 101 that opens upward. Bias circuit boards 102 and 103, conductor plates 104 and 105, and flexible boards 106 and 107 as electric wires are accommodated in the housing 101. The flexible boards 106 and 107 are attached vertically along the inner surfaces of the side walls 108 and 109 of the housing 101.

That is, by arranging the flexible substrates 106 and 107 in the direction perpendicular to the bottom surface 110 of the casing 101, the area occupied in the horizontal direction inside the casing 101 can be greatly reduced.
Thereby, the dimension of the width direction (left-right direction in FIG. 16) of a housing | casing can be shortened, and size reduction and weight reduction of a housing | casing are aimed at.

Japanese Utility Model Publication No. 1-172733 (FIG. 2)

In the conventional transmission / reception apparatus as described above, for example, a substrate disposed at the lower end of the housing (lower end in the direction orthogonal to the paper surface in FIG. 16) and a substrate disposed at the upper end (upper end in the direction orthogonal to the paper surface in FIG. 16) In some cases, a flexible substrate is used for connection. In this case, an increase in the dimension in the thickness direction of the housing due to the thickness of the flexible substrate can be avoided.
However, when the flexible substrate is wired vertically, it is necessary to avoid the other structures such as the battery, the side key, and the substrate. In this case, a guide or the like for drawing the flexible substrate in a state of being held perpendicular to the bottom surface is necessary, and there is a problem that the plane size is increased accordingly.

  The present invention has been made to solve the conventional problems, and an object of the present invention is to provide a portable terminal that does not cause an increase in size of the casing due to wiring in the casing.

  The portable terminal of the present invention includes a housing having a case and a cover, a battery housing portion capable of housing a battery pack in the housing, and a first circuit housed in a position adjacent to the battery housing portion in the housing. A substrate, a second circuit board that is adjacent to the battery housing part in the housing and that is housed in a position opposite to the first circuit board, and a position in the case that is adjacent to the battery housing part. A case rib that protrudes toward the cover, and is provided at a position adjacent to the case rib in the cover, protrudes toward the case, and is continuous between the first circuit board and the second circuit board. A cover rib, a groove formed at the front end of the cover rib in the protruding direction and along the continuous direction of the cover rib, and received in the groove, the first circuit board and the front An electric wire connected to at least one of the second circuit boards, a cover step portion formed at a distal end portion in the protruding direction of the cover rib, and a base end portion of the case rib opposite to the battery housing portion Provided on the outer surface of the cover rib opposite to the case rib, the first convex portion along the protruding direction of the cover rib, and the inner surface of the case. A second protrusion that is in line contact with the first protrusion along the protruding direction of the cover rib, a claw provided on the inner surface of the cover rib on the case rib side, and the battery housing portion in the case rib. Is provided on the outer surface on the opposite side, and includes a claw recess that engages with the claw portion.

  In the portable terminal of the present invention, the cover stepped portion is concave, the case stepped portion is a convex shape inserted into the cover stepped portion, and the groove portion has the electric wire extending from the cover stepped portion. The groove depth dimension is not exposed.

  In addition, the portable terminal of the present invention is provided in the case, the opening communicating with the battery housing portion, the battery lid that seals the opening so as to be opened and closed, the locking piece provided on the battery lid, It is provided on the inner surface of the case rib on the battery housing part side, and has a locking recess that engages with the locking piece at a position overlapping the case stepped part.

  Furthermore, the portable terminal of the present invention has a sheet metal member that is insert-molded in the cover, and the groove portion does not contact the sheet metal member.

  In the present invention, the cover step portion is formed at the front end portion in the protruding direction of the cover rib, and the case step portion is provided at the base end portion of the case rib opposite to the battery housing portion and engaged with the cover step portion. The cover can be positioned in the longitudinal direction. In addition, a first convex portion is provided on the outer surface of the cover rib opposite to the case rib along the protruding direction of the cover rib, and the second inner surface is in line contact with the first convex portion along the protruding direction of the cover rib on the inner surface of the case. Protrusions were provided. As a result, the case and the cover can be positioned in the width direction. Furthermore, since the claw portion is provided on the inner surface of the cover rib and the claw concave portion that engages with the claw portion is provided on the outer surface of the case rib, the case and the cover can be positioned in the thickness direction. Thereby, since it is not necessary to separately provide a member for positioning the case and the cover, it is possible to provide a portable terminal having an effect of preventing an increase in size of the housing.

(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 Enlarged view of part IV in Fig. 3 Enlarged view of part V in Fig. 3 (A) is the perspective view seen from VI direction in FIG. 4, (B) is sectional drawing of the BB position in (A). The perspective view which shows the attachment operation of a battery cover A plan view of the mobile terminal viewed from the case side Cross-sectional view at position IX-IX in FIG. Cross-sectional view at position XX in FIG. Cross-sectional view at position XI-XI in FIG. Sectional view at XII-XII position in FIG. Cross-sectional view at position XIII-XIII in FIG. Sectional view at XIV-XIV position in FIG. Explanatory drawing which shows the shape and relative positional relationship of a cover step part and a case step part Sectional view of a conventional transmission / reception device having wiring inside the 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 43 (see FIG. 9) 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. 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.
The front vertical wall 241 that is the vertical wall 24 on the front surface of the case 21 is provided with a connection portion 26 with an external device, and the side vertical wall 242 that is a side surface is provided with a side key 25 such as a camera shutter. ing.

As shown in FIGS. 2 and 3, the case 21 includes a case main body 211 and a battery lid 50. The case body 211 has an opening 233 for the battery pack 11 (see FIG. 9) 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. The coaxial cable 292 has one end connected to the first circuit board 271 and the other end connected to an antenna (not shown) via the second circuit board 272.
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. 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 (see FIGS. 4 and 9).
The inner cover rib 32A and the outer cover rib 32B are collectively referred to as “cover rib 32”.

As shown in FIGS. 4 and 15, a cover step portion 34 having a generally concave shape is formed at the tip of the cover rib 32 in the protruding direction (upward in FIG. 4). The cover step 34 has an inner cover step 34A provided on the inner cover rib 32A and an outer cover step 34B provided on the outer cover rib 32B.
The inner cover stepped portion 34A and the outer cover stepped portion 34B are collectively referred to as “cover stepped portion 34”.

The inner cover stepped portion 34A has concave portions 341 at both front and rear ends along the longitudinal direction of the cover rib 32, and has a convex portion 342 protruding downward (upward in FIG. 15) between the front and rear concave portions 341.
The outer cover step 34B has a rectangular cutout 343.
As shown in FIG. 15, the depth of the notch 343 and the depth of the convex portion 342 are H1, and the depth of the concave portion 341 is H2.

  As shown in FIGS. 5 and 15, 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. 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. 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. .

As shown in FIG. 15, the height of the flat portion 352 of the case step portion 35 is H1, and the height of the fitting portion 351 is H2.
Therefore, when the case 21 and the cover 22 are attached, the fitting portion 351 of the case step portion 35 is fitted into the pair of concave portions 341 of the inner cover step portion 34A. Further, the flat portion 352 of the case step portion 35 comes into contact with the lower surface of the convex portion 342 of the inner cover step portion 34A and the notch portion 343 of the outer cover step portion 34B.
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.

A groove 33 is provided along the continuous direction of the cover rib 32 at the front end of the cover rib 32 in the protruding direction (see FIG. 4). The electric wire 29 is accommodated in the groove 33. In FIG. 4, a flexible substrate 291 as an electric wire 29 is accommodated. A coaxial cable 292 as an antenna wire 29 is accommodated in the groove 33 on the opposite side of the battery accommodating portion 223 (see FIG. 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.

Further, the groove portion 33 is provided so as not to contact the sheet metal member 43 inserted in the cover 22.
This is to prevent the antenna performance from deteriorating due to unnecessary resonance when the sheet metal member 43 and the flexible substrate 291 are close to each other.
In order to prevent the deterioration of the antenna performance as described above, it is necessary to reinforce GND (ground) and to connect the sheet metal member 43 and the flexible substrate 291, and the number of parts increases. For this reason, antenna performance can be secured without increasing the number of components by disposing the flexible substrate 291 at a distant position.

As shown in FIGS. 9 and 10, the groove 33 has a depth dimension that prevents the electric wire 29 (here, the flexible substrate 291) from being exposed from the cover stepped portion 34 (see FIGS. 11 and 14).
The groove 33 does not need to be deeper than the depth of the electric wire 29 (the width dimension in the flexible substrate 291 and the outer diameter dimension in the coaxial cable 292) in the entire length, and is set deeper than the electric wire 29 in the maximum depth.

As shown in FIG. 6A, 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. 6B, when the case 21 and the cover 22 are attached, the first convex portion 36 and the second convex portion 37 are in the same position and face each other, 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.

As shown in FIGS. 2 and 4, a claw portion 38 is provided on the inner surface 322 of the inner cover rib 32 </ b> A in the cover rib 32.
As shown in FIGS. 2 and 5, the outer surface 311 (see FIG. 9) of the case rib 31 on the side opposite to the battery housing portion 223 has a position corresponding to the claw portion 38 of the cover rib 32 on the claw portion 38. An engaging claw recess 39 is provided to penetrate to the inner surface 312.
Therefore, when the cover 22 is attached to the case 21, the cover rib 32 is inserted between the side vertical wall 242 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 FIGS. 9 and 13).

As shown in FIG. 3 and FIG. 9, the battery lid 50 has a vertical rib 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. 512 is provided.
The vertical ribs 512 include a pair of vertical ribs 512A and 512B facing along the longitudinal direction of the case 21 and a pair of vertical ribs 512C and 512D facing along the width direction of the case 21 (see FIG. 3). The vertical ribs 512A, 512B, 512C, and 512D are collectively referred to as “vertical ribs 512”.

As shown in FIG. 9, the end of the vertical rib 512 is provided with a stopper 513 that is bent outward over the entire circumference.
The O-ring 52 is locked between the upper surface 511 of the lid main body 51, the vertical rib 512, and the stopper 513. Thereby, when the battery cover 50 is attached to the battery pack opening 233, waterproofing is achieved.
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.

As shown in FIGS. 3 and 10, one vertical rib 512 </ b> A facing along the longitudinal direction of the case 21 is provided with a locking piece 514 that protrudes upward (downward in FIG. 10) and protrudes outward. It has been.
In addition, a locking recess 41 that engages with the locking piece 514 is provided at a position corresponding to the locking piece 514 on the inner surface 312 of the case rib 31 on the battery housing portion 223 side.

As shown in FIG. 12, the other vertical rib 512B facing the longitudinal direction of the case 21 in the battery lid 50 protrudes upward (downward in FIG. 12) and protrudes outward at the tip. A locking portion 516 having a claw 515 is provided. The locking claw 515 can be provided at a position symmetrical to the locking piece 514 on the longitudinal rib 512 </ b> A side with respect to the center in the width direction of the lid main body 51.
Further, a lid fixing portion 42 with which the locking claw 515 is engaged is provided at a position corresponding to the locking claw 515 on the inner surface 312 of the case rib 31.

Therefore, as shown in FIG. 7, when the battery cover 50 is attached to the battery pack opening 233 of the case 21, first, the locking piece 514 of the battery cover 50 is inserted into the locking recess 41 of the case 21 (FIG. 7). Middle arrow A, see FIGS. 3 and 10).
Next, the battery cover 50 is rotated using the locking piece 514 and the locking recess 41 as a hinge (arrow B in FIG. 7), and the locking claw 515 of the battery cover 50 is locked by the lid fixing part 42 of the case. (See FIG. 12).

As described above, according to the mobile terminal 10 according to the embodiment of the present invention described above, the casing 20 having the case 21 and the cover 22 has the battery accommodating portion 223 that can accommodate the battery pack 11 therein. In addition, the housing 20 is accommodated in a first circuit board 271 accommodated in a position adjacent to the battery accommodating part 223, and in a position adjacent to the battery accommodating part 223 and opposite to the first circuit board 271. And a second circuit board 272.
The case 21 has a case rib 31 that protrudes toward the cover 22 at a position adjacent to the battery housing portion 223. The cover 22 has a cover rib 32 that protrudes toward the case 21 and continues between the first circuit board 271 and the second circuit board 272 at a position adjacent to the case rib 31.
A groove 33 is provided along the continuous direction of the cover rib 32 at the front end of the cover rib 32 in the protruding direction, and the flexible substrate 291 connected to at least one of the first circuit board 271 and the second circuit board 272 or A coaxial cable 292 is accommodated.

Then, the cover stepped portion 34 is formed at the distal end portion of the cover rib 32, and the case stepped portion 35 is provided at the base end portion of the case rib 31 opposite to the battery housing portion 223, and is engaged with the cover stepped portion 34. The casing 20 can be positioned in the longitudinal direction and in the thickness direction.
Further, a first protrusion 36 is provided on the outer surface 321 of the cover rib 32 opposite to the case rib 31 along the protruding direction of the cover rib 32, and the first rib 36 is in line contact with the inner surface 312 of the case rib 31 along the protruding direction of the cover rib 32. Two convex portions 37 were provided. And since the 1st convex part 36 and the 2nd convex part 37 contact | abut, the width direction positioning of the housing | casing 20 can be performed.
Furthermore, the claw portion 38 is provided on the inner surface 322 of the cover rib 32 on the case rib 31 side, and the claw recess 39 that engages with the claw portion 38 is provided on the outer surface 311 of the case rib 31 opposite to the battery housing portion 223. In addition to positioning the cover 21 and the cover 22 in the thickness direction, they can be securely attached.
Thereby, since it is not necessary to separately provide a member or the like for positioning the case 21 and the cover 22, it is possible to prevent the casing 20 from being enlarged.

  Further, since the groove portion 33 has a groove depth dimension in which the electric wire 29 is not exposed from the cover step portion 34, when the flexible substrate 291 or the coaxial cable 292 is wired in the groove portion 33, the flexible substrate 291 or the coaxial cable 292 is securely connected. Can be accommodated.

The case 21 has a battery pack opening 233 communicating with the battery housing 223, and a battery lid 50 that seals the battery pack opening 233 is attached to be openable and closable. The battery lid 50 is provided with a locking piece 514, and a locking recess 41 for engaging the locking piece 514 is provided on the inner surface of the case rib 31 on the battery housing portion 223 side at a position overlapping the case step portion 35. It has been.
Therefore, the battery lid 50 can be positioned in the battery pack opening 233 by locking the locking piece 514 of the battery lid 50 to the locking recess 41 on the battery housing portion 223 side. 21 can be attached. Since the locking recess 41 is provided at a position overlapping the case step portion 35, a new space is not required for forming the recess, and the locking recess can be formed without increasing the size.

  Further, since the cover 22 includes the insert-molded sheet metal member 43, sufficient strength can be obtained. Moreover, since the groove part 33 does not contact the sheet metal member 43, the influence of noise can be prevented.

The portable terminal of the present invention is not limited to the above-described embodiment, and appropriate modifications and improvements can be made.
The electric wire in the present invention includes both an FPC and a coaxial cable.

  As described above, the portable terminal according to the present invention forms a cover step portion at the distal end portion in the protruding direction of the cover rib, and provides a case step portion at the base end portion of the case rib opposite to the battery housing portion. Since the case and the cover are engaged, positioning of the case and the cover in the longitudinal direction can be performed. In addition, a first convex portion is provided on the outer surface of the cover rib opposite to the case rib along the protruding direction of the cover rib, and the second inner surface is in line contact with the first convex portion along the protruding direction of the cover rib on the inner surface of the case. Protrusions were provided. Thereby, the width direction positioning of a case and a cover can be performed. Furthermore, since the claw portion is provided on the inner surface of the cover rib and the claw concave portion that engages with the claw portion is provided on the outer surface of the case rib, the case and the cover can be positioned in the thickness direction. As a result, there is no need to separately provide a member for positioning the case and the cover, so that it is possible to prevent an increase in the size of the housing, which is useful as a portable terminal having wiring inside the housing. is there.

DESCRIPTION OF SYMBOLS 10 Portable terminal 11 Battery pack 20 Case 21 Case 212 Inner surface 22 Cover 223 Battery accommodating part 233 Opening for battery pack (opening)
271 1st circuit board 272 2nd circuit board 29 Electric wire 31 Case rib 311 Outer surface 312 Inner surface 32 Cover rib 321 Outer surface 322 Inner surface 33 Groove portion 34 Cover step portion 35 Case step portion 36 First convex portion 37 Second convex portion 38 Claw portion 39 Claw concave portion 41 Locking recess 43 Sheet metal member 50 Battery cover 514 Locking

Claims (4)

A housing having a case and a cover;
A battery housing portion capable of housing a battery pack in the housing;
A first circuit board housed in a position adjacent to the battery housing part in the housing;
A second circuit board that is adjacent to the battery housing part in the housing and is housed in a position opposite to the first circuit board;
A case rib provided at a position adjacent to the battery housing portion in the case, and protruding toward the cover;
A cover rib provided at a position adjacent to the case rib in the cover, protruding toward the case and continuing between the first circuit board and the second circuit board;
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;
A cover step portion formed at a tip portion in the protruding direction of the cover rib;
A case step portion that is provided at a base end portion of the case rib opposite to the battery housing portion and engages the cover step portion;
A first convex portion provided on an outer surface of the cover rib opposite to the case rib, along a protruding direction of the cover rib;
A second convex portion provided on an inner surface of the case and in line contact with the first convex portion along a protruding direction of the cover rib;
Claw portions provided on the inner surface of the cover rib on the case rib side;
A portable terminal comprising: a claw recess provided on an outer surface of the case rib opposite to the battery housing portion and engaged with the claw portion. The mobile terminal according to claim 1,
The cover step portion is concave, the case step portion is convex to be inserted into the cover step portion, and the groove portion has a groove depth dimension in which the electric wire is not exposed from the cover step portion. Terminal. In the portable terminal according to claim 1 or 2,
An opening provided in the case and communicating with the battery housing;
A battery lid that seals the opening so as to be opened and closed;
A locking piece provided on the battery lid;
The portable terminal which has the latching recessed part which is provided in the inner surface by the side of the said battery accommodating part in the said case rib and the said latching piece engages. The mobile terminal according to any one of claims 1 to 3,
A sheet metal member insert-molded in the cover;
A portable terminal in which the groove does not contact the sheet metal member.

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