JP5366336B2 - Mobile device - Google Patents

Description

  The present invention relates to a mobile terminal in which a camera unit is attached to a circuit board in a housing.

Conventionally, a portable terminal in which a camera unit is attached to a substrate in a housing is known (see, for example, Patent Document 1).
As shown in FIG. 5, the portable terminal described in Patent Document 1 includes a substrate 101 built in a housing (not shown), a camera unit 102, and a camera holder 103 that attaches the camera unit 102 to the substrate 101. . The camera unit 102 is held inside the camera holder 103.

The camera holder 103 is integrally formed of sheet metal or sheet resin and has elasticity. The camera holder 103 has a fitting portion 104 that attaches the camera holder 103 to the substrate 101 at a position penetrating the substrate 101. The fitting portion 104 includes a section 104A in which a part of the side surface of the camera holder 103 is cut open and bent outward, and a bent portion 104B in which an end portion of the side surface is bent to the same side as the section 104A.
The camera holder 103 is attached to a position penetrating the substrate 101 by sandwiching the substrate 101 between the section 104A and the bent portion 104B.
As shown in FIG. 6, the camera unit 102 attached to the substrate 101 in this manner is positioned in the communication hole 106 that communicates the inside and outside of the housing 105 with the protective cover 108.

Japanese Patent Laying-Open No. 2010-232940 (FIG. 3)

As shown in FIG. 6, a cushion 107 is generally provided between the camera unit 102 and the housing 105 when the camera unit 102 is positioned in the communication hole 106.
However, in order to position the camera unit 102 against the cushion 107, the wall 105A needs to have a sufficient thickness so that the wall 105A of the housing 105 to which the cushion 107 is attached is not deformed. For this reason, there existed a problem of preventing thickness reduction of the housing | casing 105. FIG.

  SUMMARY An advantage of some aspects of the invention is that it provides a portable terminal capable of reducing the thickness of a casing that houses a camera unit.

The portable terminal of the present invention covers a housing, a communication hole that communicates the inside and outside of the housing, a circuit board accommodated in the housing, a through hole provided in the circuit board, and the communication hole. And a protective cover having translucency, a camera unit that is accommodated in the through-hole and has a lens facing the protective cover, and a back surface side of the circuit board that is opposite to the communication hole. A first sheet metal member that covers the bottom of the camera, a second sheet metal member that is connected to the first sheet metal member and extends along the camera side surface of the camera unit on the substrate surface side opposite to the substrate back surface through the through-hole, is connected to the second sheet metal member, and a third sheet metal member which engages the edge of the camera head the lens is provided in said camera unit, said in the camera unit camera An electric wire connected to a portion, a connection portion provided on the back surface of the substrate and connected to the electric wire along a thickness direction of the circuit board, and connected to the first sheet metal member, And a fourth sheet metal member that restricts movement in the removal direction .

  Moreover, the portable terminal of this invention has a camera holder which accommodates the said camera unit, and a said 2nd sheet metal member engages with the side surface of the said camera holder.

  Furthermore, in the portable terminal of the present invention, the camera holder has a frame portion surrounding the fourth sheet metal member, and a plurality of bent portions are formed on the electric wire by the fourth sheet metal member and the frame portion. is there.

  In the present invention, the third sheet metal member engaged with the camera head is connected to the first sheet metal member via the second sheet metal member, so the camera head is not pressed against the protective cover. For this reason, since the casing on the side of the communication hole to which the protective cover is attached is not pressed by the camera unit, the thickness of the casing can be reduced, and the mobile phone has the effect that the casing can be reduced in size and thickness. A terminal can be provided.

(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 Exploded perspective view of camera unit Sectional drawing of the IV-IV position in FIG. 1 (B) (A) It is a perspective view of the conventional camera holder, (B) is a perspective view of the camera holder which accommodated the camera, (C) is the perspective view seen from another angle Sectional view showing problems in conventional camera unit

Hereinafter, a mobile terminal according to an embodiment of the present invention will be described with reference to the drawings.
As shown in FIGS. 1A and 1B, a mobile terminal 10 according to an embodiment of the present invention is an example applied to a straight-type mobile phone, and has a rectangular box-shaped casing 20.
In the following description, the upper side of the screen displayed on the display unit in the use state is referred to as the upper side, and the lower side in the use state is referred to as the lower side.

As shown in FIG. 2, 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 formed by insert-molding a sheet metal member (not shown) for ensuring strength, and the surface is covered with a 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 communication hole 233 that communicates the inside and outside of the housing 20 is provided at the center of the frame 231. The communication hole 233 is provided with a translucent protective cover 232 that faces the lens 46 of the camera unit 40.
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 for connection to an external device. The side vertical wall 242 that is a side surface has a side key portion 60 having a plurality of side keys. Is provided.

As shown in FIGS. 1 and 2, the case 21 includes a case main body 211 and a battery lid 50. The case body 211 has an opening 234 for a battery pack (not shown) on the bottom plate 23 (hereinafter referred to as “battery pack opening 234”), and the battery lid 50 detachably covers the battery pack opening 234. .
The cover 22 has a battery accommodating portion 224 that can accommodate a battery pack (not shown) at the rear portion (right side portion in FIG. 2). Accordingly, the battery pack opening 234 of the case 21 is located below the battery accommodating portion 224 (upper side in FIG. 2) and is covered with the battery lid 50.

A first circuit board 27 as a circuit board is attached to the cover 22 adjacent to the front side of the battery housing portion 224. In addition, the second circuit board 28 is attached to the cover 22 adjacent to the rear side (right side in FIG. 2) of the battery housing portion 224 on the side opposite to the first circuit board 27.
An electric wire (not shown) is wired between the first circuit board 27 and the second circuit board 28.
A through hole 271 is provided at a position corresponding to the communication hole 233 of the case main body 211 in the center of the first circuit board 27, and the camera unit 40 is attached thereto. A circuit-side connector 274 as a connection portion is attached to the substrate back surface 272 that is the upper surface of the first circuit substrate 27.

As shown in FIGS. 3 and 4, the camera unit 40 has a camera body 41 having an overall rectangular box shape, and is located at the center of the lower surface 411 (upper side surface in FIG. 3) that is the camera head of the camera body 41. The lens 46 is exposed downward (upward in FIG. 3).
A flexible substrate 47 as an electric wire is connected to the camera bottom portion 412 of the camera body 41 and extends in one direction (left direction in FIG. 3). The flexible substrate 47 extends from the camera bottom portion 412 of the camera body 41 (extension portion 471), and once detours downward (upward in FIG. 4) (diverting portion 472), then bends upward and then bends downward. (Bent portion 473) is folded back toward the camera body 41 (folded portion 474). A camera-side connector 413 is attached to the lower surface of the folded portion 474.

On the upper side (lower side in FIG. 3) of the camera unit 40, a rectangular plate-shaped first covering the camera bottom 412 of the camera unit 40 on the substrate back surface 272 side opposite to the communication hole 233 in the first circuit board 27. A sheet metal member 42 is provided.
A cushion 421 is provided on the upper surface of the first sheet metal member 42, and the flexible substrate 47 connected to the camera bottom portion 412 of the camera unit 40 is pressed to prevent the flexible substrate 47 from falling off.
A locking claw 422 that locks the camera body 41 is provided at one end of the first sheet metal member 42.

A pair of second sheet metal members 43 are provided from the side surface of the first sheet metal member 42 downward (upward in FIG. 3). The second sheet metal member 43 penetrates the through hole 271 of the first circuit board 27 along the camera side surface 414 and protrudes toward the substrate surface 273 opposite to the substrate back surface 272.
At the lower end portion (upper end portion in FIG. 3) of each second sheet metal member 43, locking pieces 431 that protrude outward in the width direction of the second sheet metal member 43 are provided, and between the both locking pieces 431. Is provided with a partially spherical locking projection 432 protruding outward.
Further, the lower end portion of the second sheet metal member 43 is bent inward to form a locking portion 433.

A fourth sheet metal member 45 that protrudes downward is provided at the opposite end of the latching claw 422 in the first sheet metal member 42.
The fourth sheet metal member 45 abuts on and supports the upper surface of the bypass portion 472 of the flexible substrate 47.

The camera unit 40 is accommodated in the camera holder 48. The camera holder 48 includes a camera holder main body 481 that houses the camera main body 41 and a frame portion 482 that extends from the upper end of the camera holder main body 481 and surrounds the fourth sheet metal member 45.
The camera holder body 481 has a rectangular cylindrical shape, and has groove portions 483 extending in the vertical direction on both side surfaces. In the vicinity of the lower end portion of the groove portion 483, a step portion 484 orthogonal to the groove portion 483 is provided. In addition, a locking recess 485 that locks the locking portion 433 of the second sheet metal member 43 is provided in an extended portion of the groove portion 483 in the camera holder main body 481.
In addition, a pair of locking projections 486 are provided on the front and rear end surfaces (left and right end surfaces in FIG. 3) of the camera holder main body 481, and a locking recess 488 is provided between the pair of locking projections 486. Yes.

The frame portion 482 has a rectangular frame shape and has an opening 487 inside. The fourth sheet metal member 45 is accommodated in the opening 487.
Therefore, after attaching the camera holder 48 to the camera body 41, the flexible substrate 47 connected to the camera bottom 412 of the camera body 41 is supported by being drawn from above to the frame part 482.
Thereby, a plurality of bent portions can be formed on the flexible substrate 47 by the fourth sheet metal member 45 and the frame portion 482.

A third sheet metal member 44 is attached to the camera holder 48 that houses the camera body 41 from below (upper in FIG. 3). The third sheet metal member 44 has a rectangular frame shape with an L-shaped cross section. At the four corners, there are fitting cutout portions 441 into which the four corners of the camera holder 48 are fitted, and the lower surfaces 411 of the camera holder 48 and the camera body 41. A support portion 442 that engages and supports the edge portion is provided.
Elastic pieces 443 are provided on both front and rear end faces of the third sheet metal member 44 so as to protrude inward by cutting and raising. This elastic piece 443 can be elastically deformed outward. Further, on both side surfaces of the third sheet metal member 44, fitting holes 444 into which the locking convex portions 432 of the second sheet metal member 43 are fitted are provided.
The third sheet metal member 44 is provided with mounting brackets 445 at the four corners.

Next, the assembly procedure of the camera unit 40 and the attachment procedure to the first circuit board 27 will be described.
First, the camera body 41 is accommodated in the camera holder 48. At this time, the flexible substrate 47 connected to the camera bottom 412 of the camera body 41 is supported by being drawn downward from above (downward in FIG. 3) the frame 482 of the camera holder 48.
Next, the first sheet metal member 42 is attached to the camera holder 48 that houses the camera body 41. At this time, the second sheet metal member 43 slides along the groove 483 on the side surface of the camera holder 48, and the locking piece 431 of the second sheet metal member 43 is locked to the stepped portion 484 of the camera holder 48. The stopper 433 is locked in the locking recess 485.
Then, the fourth sheet metal member 45 abuts and supports the bypass portion 472 of the flexible substrate 47 from above.

First, the camera-side connector 413 of the flexible substrate 47 supported by the fourth sheet metal member 45 and the frame portion 482 of the camera holder 48 is connected to the circuit-side connector 274 attached to the substrate back surface 272 of the first circuit substrate 27. To do. The attachment / detachment direction of the camera side connector 413 with respect to the circuit side connector 274 is a direction orthogonal to the first circuit board 27, and the fourth sheet metal member 45 is located above the camera side connector 413.
Accordingly, the fourth sheet metal member 45 restricts the movement of the camera side connector 413 in the direction of removal (upward) from the circuit side connector 274.

Next, the lower surface 411 side of the camera unit 40 is inserted into the through hole 271 from the substrate back surface 272 side of the first circuit board 27. Thereby, the locking projection 486 of the camera holder 48 is fixed to the first circuit board 27 side.
Finally, the third sheet metal member 44 is attached to the camera holder 48 from below. When the third sheet metal member 44 is put on the camera holder 48, the locking projection 432 of the second sheet metal member 43 is fitted into the fitting hole 444 of the third sheet metal member 44. At the same time, the elastic piece 443 of the third sheet metal member 44 locks the locking recess 488 of the camera holder 48.
As a result, the first sheet metal member 42, the second sheet metal member 43, the third sheet metal member 44, and the fourth sheet metal member 45 are attached to and integrated with the camera holder 48 that houses the camera body 41.

The camera unit 40 integrated in this way is attached to the through hole 271 of the first circuit board 27.
As a result, the mounting bracket 445 of the third sheet metal member 44 is held by the case 21, the camera unit 40 is mounted on the first circuit board 27, and the lens 46 of the camera unit 40 faces the protective cover 108.

As described above, according to the mobile terminal 10 of the embodiment according to the present invention described above, the camera unit 40 is attached to the through hole 271 of the first circuit board 27 accommodated in the housing 20. Then, the lens 46 is directed to the protective cover 232 having translucency that covers the communication hole 233 that communicates the inside and outside of the housing 20.
At this time, the camera bottom 412 opposite to the lens 46 of the camera unit 40 is supported by the first sheet metal member 42. A second sheet metal member 43 along the camera side surface of the camera unit 40 is connected to the first sheet metal member 42 on the substrate surface 273 side opposite to the substrate back surface 272 through the through hole 271. The second sheet metal member 43 is connected to a third sheet metal member 44 that is in contact with the edge of the lower surface 411 provided with the lens 46 in the camera unit 40.

  Accordingly, the third sheet metal member 44 that is in contact with the lower surface 411 is held by the case 21 by the mounting bracket 445, so that the lower surface 411 is not pressed against the protective cover 232. For this reason, since the housing 20 on the side of the communication hole 233 to which the protective cover 232 is attached is not pressed by the camera unit 40, the lower surface 411 of the camera unit 40 can be disposed at the same height as the communication hole 233. As a result, the camera unit 40 can be brought close to the housing 20, and the mobile terminal can be made smaller and thinner.

  In addition, since the fourth sheet metal member 45 that restricts movement of the camera-side connector 413 of the flexible board 47 connected to the camera bottom 412 from the circuit-side connector 274 is provided, the flexible board 47 is connected to the first circuit. It is possible to prevent the substrate 27 from coming off.

  In addition, since the second sheet metal member 43 engages with the groove 483 of the camera holder 48 that houses the camera unit 40, the camera unit 40 is held by the second sheet metal member 43 via the camera holder 48.

  Further, the camera holder 48 is provided with a frame portion 482 that surrounds the fourth sheet metal member 45, and the flexible substrate 47 is placed over the frame portion 482 and bent. Therefore, the flexible substrate 47 can be supported, and a force acts on the circuit-side connector 274 that is a connection portion between the flexible substrate 47 and the first circuit substrate 27 and the attachment portion of the flexible substrate 47 in the camera bottom portion 412. 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.

  As described above, in the mobile terminal according to the present invention, the third sheet metal member that contacts the camera head is held against the case 21, so the camera head is not pressed against the protective cover. For this reason, since the housing on the side of the communication hole to which the protective cover is attached is not pressed by the camera unit, the thickness of the housing can be reduced, and the housing can be reduced in size and thickness. It is useful as a portable terminal or the like in which a camera unit is attached to a substrate in a housing.

DESCRIPTION OF SYMBOLS 10 Portable terminal 20 Case 21 Case 211 Case main body 232 Protective cover 233 Communication hole 234 Opening for battery pack 27 First circuit board (circuit board)
271 Through hole 272 Substrate back surface 273 Substrate surface 274 Circuit side connector (connection part)
40 Camera unit 411 Lower surface (camera head)
412 Camera bottom 414 Camera side surface 42 First sheet metal member 43 Second sheet metal member 44 Third sheet metal member 45 Fourth sheet metal member 46 Lens 47 Flexible substrate (electric wire)
48 Camera holder 482 Frame

Claims (3)

A housing,
A communication hole communicating the inside and outside of the housing;
A circuit board housed in the housing;
A through hole provided in the circuit board;
A protective cover covering the communication hole and having translucency;
A camera unit that is housed in the through-hole and directs a lens toward the protective cover;
A first sheet metal member that covers the camera bottom of the camera unit on the back side of the circuit board opposite to the communication hole;
A second sheet metal member that is coupled to the first sheet metal member and extends along the camera side surface of the camera unit on the substrate surface side opposite to the substrate back surface through the through hole;
A third sheet metal member coupled to the second sheet metal member and engaged with an edge of a camera head provided with the lens in the camera unit;
An electric wire connected to the camera bottom of the camera unit;
A connecting portion provided on the back surface of the substrate, to which the electric wire is connected along the thickness direction of the circuit board;
And a fourth sheet metal member that is coupled to the first sheet metal member and restricts movement of the electric wire in the connecting portion in the removal direction . The mobile terminal according to claim 1,
A camera holder for accommodating the camera unit;
A portable terminal in which the second sheet metal member is engaged with a side surface of the camera holder. The mobile terminal according to claim 2 ,
The camera holder has a frame portion surrounding the fourth sheet metal member,
A portable terminal in which a plurality of bent portions are formed in the electric wire by the fourth sheet metal member and the frame portion.

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