JP5719693B2 - Electronic equipment unit - Google Patents

Description

  The present invention relates to a technique for constructing one casing to be folded and the other casing of a foldable portable device.

In the market of mobile devices typified by recent years of a mobile phone, it has become a folding portable device is the mainstream, in particular, small and thin has been folding portable device is required.

  For this reason, folding portable devices aiming at miniaturization and thinning are appearing on the market one after another, but ensuring design and strength have always been issues for realizing thinning.

  Here, a catalyst is adsorbed on a resin casing of a weak electric product such as a mobile phone or a notebook computer, and a base metal is deposited on the resin casing with an electroless plating bath, and a nickel sulfamate bath or nickel sulfamate A resin casing is immersed in a plating bath in which an organic acid or organic acid salt such as acetic acid or nickel acetate is added to a cobalt bath, and electrolytic deposition is performed so that the nickel plating film thickness is about 5 to 30 μm. Therefore, a technique has been proposed in which nickel sulfamate is used in a plating bath to perform plating treatment with high uniformity and increase the rigidity and hardness of resin plating (for example, see Patent Document 1). ).

JP 2005-154864 A

  However, the conventional example described above has the following problems.

  By making the foldable portable device thin, it is difficult to secure strength if the casing is made entirely of resin, and it is difficult to form a free design or a complicated shape of the fitting part if the casing is made entirely of metal. For this reason, it has been impossible to provide a thin foldable portable device having excellent design and ensuring strength. This problem also applies to the technique disclosed in Patent Document 1 described above.

The present invention has been made in view of the circumstances described above, and an object of the present invention is to provide an electronic device unit that is excellent in design and secures strength.

An electronic device unit according to the present invention is an electronic device unit including a front case formed of a composite material of a resin member and a metal member, a rear case, and a display panel. A concave-shaped metal plate made of a metal member is disposed on a part of the metal plate, and at least two ends located in the longitudinal direction of the periphery of the metal plate are substantially parallel to the surface of the front case. A peripheral part that is bent in the longitudinal direction to form a step shape is formed, and an antenna is installed in the vicinity of the occlusal portion of the resin member forming the front case and the resin member forming the rear case, and the metal plate has a certain distance from the antenna. It is characterized by being arranged.

ADVANTAGE OF THE INVENTION According to this invention, it is excellent in design property and can provide the electronic device unit with which intensity | strength was ensured.

1 is a closed perspective view of a foldable mobile phone according to a first embodiment of the present invention. 1 is an open perspective view of a foldable mobile phone according to a first embodiment of the present invention. It is a disassembled perspective view of the main components of the foldable mobile phone in the first embodiment of the present invention. It is sectional drawing which each followed the AA line and BB line of FIG. 1 in the 1st Embodiment of this invention. It is sectional drawing which each followed the AA line and BB line of FIG. 1 in the 1st Embodiment of this invention. It is a closed state perspective view of the foldable cellular phone in the 2nd embodiment of the present invention. It is a figure which shows the structure of the display part side rear cover in the 2nd Embodiment of this invention.

  Hereinafter, a first embodiment of the present invention will be described in detail with reference to the drawings. In this embodiment, a foldable mobile phone is used as an example of a foldable mobile device, but an information processing device such as a PDA or a notebook personal computer is also included in the foldable mobile device. In addition, the same code | symbol is attached | subjected to the common part in each figure.

  FIG. 1 is a perspective view of a foldable mobile phone 12 according to the present embodiment in a closed state. FIG. 2 is a perspective view of the folding cellular phone 12 in the open state according to the present embodiment.

  Referring to FIGS. 1 and 2, the foldable mobile phone 12 has a display unit side casing that is particularly large in design elements, and includes a display unit side rear cover 1 including a sub display unit 7, a main display unit 8, and a hinge unit. A display unit-side front case 2 provided with 2c, an operation unit-side rear cover 4 having a particularly small design element in a housing on the operation unit side, and an operation unit-side front case 3 provided with a key operation unit 10 and a hinge unit 3c. It is configured as a main part.

  FIG. 3 is an exploded perspective view of main components. 4 is a cross-sectional view taken along lines AA and BB in FIG. 1, and FIG. 5 is a cross-sectional view taken along lines AA and BB in FIG. is there.

  Referring to FIGS. 3 to 5, the display unit side front case 2 and the operation unit side front case 3 form sheet metal portions 2 a and 3 a for thinness and strength, and complicated shapes such as fitting portions and hinge portions. The display portion side front case 2 and the operation portion side front case 3 are connected by a hinge 5.

  A printed circuit board 9 on which electrical components are mounted is provided in a housing on the display unit side constituted by the display unit side rear cover 1 and the display unit side front case 2, and the operation unit side front case 3 and the operation unit are operated. A printed circuit board 11 on which electrical components are mounted is also provided in a housing on the operation unit side, which is configured from the unit-side rear cover 4.

  In addition to the printed circuit board 9, an antenna 6 is also provided in a housing on the display unit side constituted by the display unit side rear cover 1 and the display unit side front case 2.

  Next, the material structure of the housing of the foldable mobile phone 12 in the present embodiment will be described in detail.

  Referring to FIG. 3, the display unit side of the foldable mobile phone 12 includes a display unit side rear cover 1 and a display unit side front case 2.

  Since the display unit side rear cover 1 is located in the exterior part both when the foldable mobile phone 12 is opened and when it is closed, the design is particularly important and is a component that requires various exterior design shapes. Therefore, the material of the display unit side rear cover 1 is a resin material in which various shapes are easily formed.

  As shown in FIG. 2, the display unit side front case 2 is provided with the main display unit 8 that occupies most of the display unit side front case 2, so that the main display unit 8 is required to have a strength that does not damage the main display unit 8. It is also a component that requires a complicated shape such as a fitting portion with the display unit side rear cover 1 and a hinge portion to which the hinge 5 is attached. For this reason, the material of the display unit side front case 2 is a metal material having both strength and thinness as the material of the sheet metal part 2a holding the main display part 8, while the resin part forming the fitting part. The material of 2b and the hinge part 2c to which the hinge is attached is a composite material of a metal material and a resin material, in which a complicated shape is easily formed and a dimensional adjustment is easy.

  The operation unit side of the foldable mobile phone 12 includes an operation unit side front case 3 and an operation unit side rear cover 4.

  The operation unit side rear cover 4 is located on the outer appearance both when the foldable mobile phone 12 is opened and when it is closed. However, since it is located on the back surface of the foldable mobile phone 12, the design is not so important. It is. Therefore, the material of the operation unit side rear cover 4 does not require a complicated shape, and is a sheet metal part giving priority to strength and thinness.

  As shown in FIG. 2, the operation unit side front case 3 is provided with a key operation unit 10 that occupies most of the operation unit side front case 3, so that the folding cellular phone 12 is not destroyed by pressing the key. In addition, it is also a part that requires a complicated shape such as a fitting part with the operation unit side rear cover 4 and a hinge part to which the hinge 5 is attached. Therefore, the material of the operation unit side front case 3 is made of a metal material having both strength and thinness as the material of the sheet metal part 3a holding the key operation part 10, while the resin part forming the fitting part. The material of 3b and the hinge part 3c to which the hinge is attached is a composite material of a metal material and a resin material, in which a complicated shape is easily formed and a dimensional adjustment is easy.

  Next, based on the material configuration of the casing of the foldable mobile phone 12 in the present embodiment, the device configuration of the foldable mobile phone 12 will be described in more detail.

  Referring to FIG. 1, a sub display unit 7 is installed as one of design elements on a display unit side rear cover 1 that requires many design elements.

  Referring to FIG. 2, a main display unit 8 that occupies most of the display unit side front case 2 and a key operation unit 10 that occupies most of the operation unit side front case 3 are installed and formed of a resin material. The hinge part is constituted by the hinge part 2c of the display part side front case 2 and the hinge part 3c of the operation part side front case 3 formed of a resin material.

  4 and 5, the thickness of the sheet metal part 2 a of the display unit side front case 2, the sheet metal part 3 a of the operation part side front case 3, and the operation part side rear cover 4 made of a metal material is reduced. The folding cellular phone 12 can be made thin, and the metal plate 2a of the display unit side front case 2, the sheet metal unit 3a of the operation unit side front case 3, and the metal material of the operation unit side rear cover 4 can be used. The enclosed structure makes it possible to ensure the strength of the foldable mobile phone 12 and protects the substrate 9 disposed inside the display unit side body and the substrate 11 disposed inside the operation unit side body. .

  2 and 4, the antenna 6 is installed at a position covered with the resin material of the resin part 2b of the display part side rear cover 1 and the display part side front case 2, and the display part obstructs the antenna characteristics. The sheet metal part 2 a of the side front case 2 is arranged with a certain distance from the antenna 6.

  According to the present embodiment, the planar portions of the display unit side front case 2 and the operation unit side front case 3 are mainly formed of a metal material, and the operation unit side rear cover 4 is formed of only a metal material. Therefore, it is possible to reduce the thickness that cannot be configured with resin materials, and the display unit side rear cover 1 is made of a resin material equivalent to that of a conventional foldable mobile phone. Assembling and disassembling of the housing by forming a complicated shape portion such as a housing fitting portion and a hinge portion, which are not caused by the thickness of the device, of the portion side front case 2 and the operation portion side front case 3 with a resin material. Is equivalent to a conventional foldable mobile phone, and the main three parts of the display unit side front case 2, the operation unit side front case 3, and the operation unit side rear cover 4 are mainly made of a metal material. You can secure the strength to provide a foldable portable telephone 12 possible.

  In addition, the antenna portion is disposed in a portion composed of the display portion side rear cover 1 made of only a resin material and the resin portion 2b of the resin portion portion of the display portion side front case 2 so that the antenna portion can be mounted in the apparatus of the folding cellular phone Even if it is not shielded with a metal material, it is possible to provide a foldable mobile phone 12 that can avoid deterioration of antenna characteristics.

  Further, since the display unit side rear cover 1 is formed of only a resin material and the operation unit side rear cover 4 is configured of only a metal material, a mass difference is generated between the display unit side rear cover 1 and the operation unit side rear cover 4, and the display unit In the foldable mobile phone 12 that is often used by opening and closing the side casing and holding the operation section side casing by hand, the opening and closing operation is easy because the mass of the display section side casing is light. Become. In addition, the foldable mobile phone 12 can be provided in which the holding capacity by the hand is good because the mass of the operation unit side casing is heavy. Further, in the open state of the foldable mobile phone 12, the operation unit side housing has a center of gravity, so that when the foldable mobile phone 12 is placed on a desk or the like, A stable state can be maintained by closely contacting the desk.

  Next, a second embodiment of the present invention will be described. Also in this embodiment, a foldable mobile phone is used as an example of a foldable mobile device, and the basic configuration thereof is the same as that of the first embodiment, and therefore, redundant description is omitted.

  The present embodiment is different from the first embodiment in that the display unit side rear cover 1 of the foldable mobile phone 12 is made of only a metal material or a composite material of a resin material and a metal material.

  First, when the display unit side rear cover 1 is made of only a metal material, there is a design limitation in shape compared to a resin material, and the mounting position of the antenna affects the characteristics from the inside of the metal casing causing the characteristic deterioration. In many cases, it is necessary to use an external type that does not include the foldable cellular phone 12, but the foldable mobile phone 12 can be further reduced in thickness, and the strength can be further secured.

  Next, when the display unit side rear cover 1 is composed of a composite material of a resin material and a metal material, the metal material occupying most of the design part cannot be used for fine design shape processing, but the antenna is installed inside the housing. Thus, the foldable mobile phone 12 can be configured to be thin.

  An example of the configuration of the folding mobile phone 12 in this embodiment is shown in FIG. A metal material plate 14 as a decorative part of the design is fixed to the peripheral portion of the sub display unit 15 on the display unit side rear cover 13 formed of only a resin material, so that the thickness and mass of the foldable mobile phone 12 are reduced. In a state where the balance is maintained, a synergistic (extraordinary) effect of ensuring design and strength can be achieved. The operation unit side body 16 has the same configuration as the combination of the operation unit side front case 3 and the operation unit side rear cover 4 described in the first embodiment. Further, a metal material plate 14 as a decorative part of the design may be fitted into the display unit side rear cover 13 formed of only a resin material as shown in FIG.

  Each of the above-described embodiments is a preferred embodiment of the present invention, and various modifications can be made without departing from the scope of the present invention. For example, the display unit side rear cover 1, the display unit side front case 2, the operation unit side front case 3, the operation unit side rear cover 4 and the like are formed from the respective materials in each of the above embodiments to manufacture a foldable portable device. A method is also included.

DESCRIPTION OF SYMBOLS 1 Display part side rear cover 2 Display part side front case 3 Operation part side front case 2a, 3a Sheet metal part 2b, 3b Resin part 2c, 3c Hinge part 4 Operation part side rear cover 5 Hinge

Claims (2)

An electronic device unit including a front case formed of a composite material of a resin member and a metal member, a rear case, and a display panel,
A concave-shaped metal plate made of the metal member is disposed on a part of a region forming the surface of the front case, and at least two edge portions located in the longitudinal direction of the peripheral portion of the metal plate are , Forming a peripheral edge portion that is bent in the longitudinal direction so as to be substantially parallel to the surface of the front case and has a stepped shape ,
An antenna is installed in the vicinity of the occlusal part of the resin member forming the front case and the resin member forming the rear case, and the metal plate is arranged with a certain distance from the antenna. Electronic equipment unit to do.   2. The electronic device unit according to claim 1, wherein the resin member is formed so as to form a step shape corresponding to at least one of the peripheral portions and to be in contact with the peripheral portion.

Images