JP4537898B2 - Mobile terminal and assembly structure of mobile terminal - Google Patents

Description

  The present invention relates to a mobile terminal and an assembly structure thereof, and particularly to a portable terminal such as a mobile phone and an assembly structure thereof.

In recent years, portable terminals such as mobile phones, PDAs (Personal Digital Assistants), and digital cameras have a pair of cases formed in a box shape by a bottom portion and side portions arranged around the bottom portion, Some have a housing in which the top surfaces of the two parts are brought into contact with each other to join these two cases (see, for example, Patent Document 1).
Moreover, in these portable terminals, the electronic components to be installed are complicated and diversified, and the assembly work of these electronic components is also complicated. Moreover, in order to assemble various electronic components in the assembly process, a transport process may be required.
JP-A-11-252225

However, in the above-described mobile terminal, a boundary line obtained by coupling a pair of cases to the side surface of the casing is exposed, so that there is a problem that the design is restricted. In addition, if static electricity is generated near the boundary line, the distance from the joint to the circuit board on which electronic components are mounted or other electrical components is short. There is a risk of adversely affecting the electronic parts and electrical parts.
In addition, in the conventional portable terminal, when the electronic component is assembled and transported, if the external shock is received, the arrangement of the assembled electronic component is disturbed. There is a problem that it takes.

  The present invention has been made in consideration of such circumstances, and by making the structure such that the boundary line does not appear on the side surface of the housing, the design can be improved, and static electricity can be circulated into the housing. It is an object of the present invention to provide a portable terminal and an assembly structure thereof that can be suppressed and can save the trouble of rearranging the electronic components that are installed when assembling.

  The present invention employs the following means in order to solve the above problems.

The present invention includes a bottom portion and a side surface and a lid portion constituting the top and the dividable housing constituting the bottom face, a reinforcing member disposed within the housing, the portable terminal having a one end of the bottom and A first rib having a first mounting hole opened inward and a second rib having a second mounting hole opened outward are respectively provided on both ends of the other end opposite to the one end. Wall portions are provided upright at both ends of the reinforcing member, and these wall portions are provided with first protrusions that protrude outward and engage with the first mounting holes, on both side surfaces of the lid portion. Is provided with a second projecting portion that protrudes inward and engageable with the second mounting hole, and both side surfaces of the lid portion cover the wall portion .

The present invention provides an assembly structure of a mobile terminal having a bottom and side surfaces and a lid portion constituting the top and the dividable housing constituting the bottom face, a reinforcing member disposed within the housing, a A first rib having a first mounting hole opening inward and a second rib having a second mounting hole opening outward are provided at both ends of one end of the bottom and the other end opposite to the one end. Each of the reinforcing members is provided with wall portions at both ends thereof, and the wall portions are provided with first projecting portions protruding outward, and both side surfaces of the lid portion are provided with inner sides. the second protrusion is provided protruding, the first mounting hole, by the first protrusion is engaged with make mounting the bottom to the reinforcing member, the second mounting hole, said first by second protrusion is engaged, it is attached to the bottom to the lid, before Both sides of the lid, characterized by covering the wall portion.

  According to the portable terminal and the assembly structure thereof of the present invention, such a configuration makes it possible to make a structure in which no boundary line appears on the side surface of the housing, and to improve design, Can be prevented from entering the casing. In addition, the wall portion of the reinforcing member is engaged with the first rib at the bottom portion, and the lid portion is engaged with the second rib at the bottom portion, so that the position of the electronic component in the portable terminal is stabilized, so that the portable terminal is assembled. In this case, it is possible to omit the trouble of rearranging the electronic components installed in the portable terminal.

  Hereinafter, embodiments of the present invention will be described with reference to FIGS. In the present embodiment, a horizontal open / close type mobile phone will be described, but the open / close direction is not limited, and any mobile phone other than the open / close type can be applied. Furthermore, the electronic device of the present invention is not limited to a mobile phone, and can also be applied to a portable electronic device that outputs information to the outside of the housing or inputs information to the electronic component from the outside of the housing. is there.

1 and 2 are simplified perspective views of the mobile phone 1. The mobile phone 1 is an openable mobile phone including two housings, that is, a first housing 2 and a second housing 3. The base end of the first casing 2 and the base end of the second casing 3 are connected by a connecting portion 4 so that the two casings 2 and 3 are overlapped to be opened. In this case, the connecting portion 4 is rotated by 180 °. In this open state, the opposing surfaces of the two casings 2 and 3 are exposed to the outside.
A display device 23 such as a liquid crystal display device or an organic EL display device is provided on the outer surface of the first housing 2, and a speaker 31 is provided on the front end side of the outer surface.

In addition, an antenna 34 for wireless communication projects from the base end of the second housing 3, and cursor keys, function keys, numeric keys, and the like are provided on the surface facing the first housing 2. The main input unit 33 and the microphone 32 are provided.
And when performing various operations with which the mobile phone 1 is provided, first, the first housing 2 is rotated 180 degrees around the connecting portion 4 from the state in which the two housings 2 and 3 are closed, The input unit 33 provided on the opposing surface of the second housing 3 is exposed to the outside. Next, in this exposed state, by operating the input unit 33, it is possible to perform a call or start and operate various applications provided in the mobile phone 1.

  FIG. 3 is an exploded view of the first housing 2. FIG. 4 is a cross-sectional view when the first housing 2 is assembled. The first housing 2 is configured to be vertically split into a bottom portion 5 and a lid portion 6. A substrate 7 on which an electronic component (not shown) is mounted is attached on the bottom 5, and a reinforcing member 8 is attached so as to enclose the substrate 7 with the bottom 5. And the cover part 6 is attached to the bottom part 5 so that the display apparatus 23 mentioned later installed in these board | substrate 7, the reinforcement member 8, and the upper part of the reinforcement member 8 may be covered. A transparent protective plate 9 that protects the upper surface of the lid 6 is attached to the top of the lid 6.

  The bottom 5 is formed in a substantially rectangular shape so that the substrate 7 can be mounted. The bottom 5 constitutes the bottom surface of the first housing 2 when the lid 6 is attached. At both ends in the width direction of the bottom portion 5 and in the center in the longitudinal direction, (first) ribs 11 having two (first) mounting holes 10 opened inward are erected. Further, (second) ribs 13 having two (second) mounting holes 12 opened outward are provided on both ends of the rib 11 at both ends in the width direction of the bottom portion 5. Screw holes 14 for attaching the bottom portion 5 and the lid portion 6 with screws are provided at both ends in the longitudinal direction of the bottom portion 5 and at both ends in the width direction. These screw holes 14 are formed so as to be recessed inward from the lower surface of the bottom portion 5.

  The reinforcing member 8 is formed in a substantially rectangular shape so that the substrate 7 can be included. A wall portion 15 is erected on the periphery of the reinforcing member 8 and is disposed so as to surround the entire periphery of the reinforcing member 8. At the center of the outer side of the wall portion 15 arranged at both ends in the width direction of the reinforcing member 8, a (first) projection portion 16 that protrudes outward and can be engaged with the mounting hole 10 of the bottom portion 5 described above is provided. Yes. Here, the mounting holes 10 of the ribs 11 and the protrusions 16 of the reinforcing member 8 constitute first engaging means. An opening 17 is provided at the center of the reinforcing member 8.

  The lid portion 6 includes a flat plate portion 19 having a display hole 18 for displaying the display device 23 at the center and a side wall portion 20 surrounding the periphery of the flat plate portion 19 so that the substrate 7 and the reinforcing member 8 can be covered. . The flat plate portion 19 and the side wall portion 20 constitute the upper surface and the side surface of the first housing 2, respectively. On the inner side of both ends in the width direction of the side wall portion 20, there are provided (second) projection portions 21 that protrude inward and protrude inward and engageable with the mounting holes 12 of the bottom portion 5 described above. Here, the mounting holes 12 of the ribs 13 and the protrusions 21 of the lid 6 constitute second engaging means. And the screw hole 22 corresponding to each screw hole 14 of the bottom part 5 is each provided in the longitudinal direction both ends inside the cover part 6, and the width direction both ends.

  In such a cellular phone 1, when assembling the first housing 2, the substrate 7 is placed on the bottom 5, and the reinforcing member 8 is attached to the upper portion so as to enclose the substrate 7. At this time, the protrusion 16 is engaged with the mounting hole 10 of the rib 11. Here, the bottom 5 and the reinforcing member 8 are integrated with the substrate 7 included. In this case, since the bottom portion 5 can be carried in a state where the arrangement of the substrate 7 is stabilized, it is possible to omit the trouble of arranging the substrate 7 when the first housing 2 is assembled.

  Thereafter, the display device 23 is installed on the reinforcing member 8, and the lid portion 6 is attached to the bottom portion 5 so as to cover the substrate 7, the reinforcing member 8, and the display device 23. At this time, the protrusion 21 is engaged with the mounting hole 12 of the rib 13. Here, the bottom portion 5 and the lid portion 6 are integrated with the substrate 7, the reinforcing member 8, and the display device 23 being housed, and a protective plate 9 is mounted on the lid portion 6 to form the first casing. 2 will be integrated. In this case, since the first housing 2 can be carried with the display device 23 placed in a stable state, the trouble of rearranging the display device 23 when assembling the mobile phone 1 can be omitted. Further, since the attachment holes 12 are arranged on both sides of the attachment hole 10, the lid portion 6 can be attached to the bottom portion 5 in a more stable state, so that the assembled state of the first housing 2 is prevented from collapsing. be able to.

  Then, a screw is inserted into the screw hole of the lid portion 6 from the screw hole 14 of the bottom portion 5, and the bottom portion 5 and the lid portion 6 are fixed by screwing. Here, as shown in FIG. 5, these screw holes 14 are formed so as to be recessed inward from the lower surface of the bottom portion 5, and the boundary between the bottom portion 5 and the lid portion 6 is located at the peripheral edge of the bottom portion 5. As a result, it is possible to improve the aesthetics of the first housing 2 and further improve the aesthetics of the mobile phone 1.

  In addition, the wall 15 is disposed around the periphery of the reinforcing member 8, and the boundary between the bottom 5 and the lid 6 is located at the periphery of the bottom 5. Even when static electricity enters, the path from the boundary between the bottom 5 and the lid 6 to the end of the display device 23 is long, so that the static electricity hardly reaches the display device 23. Therefore, it is possible to prevent the display device 23 from being troubled by external static electricity.

In addition, in the said embodiment, although the reinforcement member 8 is formed in planar shape, in order to mount the electronic component which is not shown in figure, it may be formed in a complicated shape.
Moreover, in the said embodiment, the number and arrangement | positioning of the rib 11 and the rib 13 may be arbitrary unless an assembly is hindered.
In the above embodiment, the second housing 3 may be used instead of the first housing 2 as described above.

Moreover, in the said embodiment, the unevenness | corrugation of the attachment hole and projection part which are engaged in a 1st engagement means may be reverse. That is, the protrusions are provided so as to protrude outward instead of the attachment holes 10 of the ribs 11, and the attachment holes are provided so as to open inward instead of the protrusions 16 of the wall 15. You may comprise a 1st engagement means with an attachment hole and a projection part.
Similarly, the mounting hole engaged in the second engaging means and the unevenness of the protrusion may be reversed. That is, in place of the mounting holes 12 of the ribs 13, the protruding portions are provided so as to protrude outward, and in place of the protruding portions 21 of the lid portion 6, the mounting holes are provided so as to open inward. You may comprise a 2nd engagement means with a mounting hole and a projection part.

1 is a perspective view of a mobile phone according to an embodiment of the present invention. FIG. 2 is a perspective view showing a state in which two casings are mutually closed in the mobile phone of FIG. 1. It is an exploded view of the 1st housing | casing of the mobile telephone of FIG. It is sectional drawing when the 1st housing | casing of FIG. 3 is assembled. It is a perspective view when the 1st housing | casing of FIG. 3 is seen from the back surface.

Explanation of symbols

1 Mobile phone (mobile terminal)
2 First housing (housing)
3 Second housing 5 Bottom 6 Lid 7 Substrate 8 Reinforcing member 10 (First) mounting hole (first engaging means)
11 (first) rib 12 (second) mounting hole (second engaging means)
13 (second) rib 15 wall 16 (first) protrusion (first engagement means)
19 Flat part 20 Side wall part 21 (2nd) Protrusion part (2nd engagement means)
23 Display device

Claims (2)

A housing that can be divided into a bottom portion that constitutes the bottom surface and a lid portion that constitutes the side surface and the top surface;
A reinforcing member disposed within the housing, the portable terminal equipped with,
A first rib having a first mounting hole opening inward and a second rib having a second mounting hole opening outward are provided at both ends of one end of the bottom and the other end opposite to the one end. There is erected, respectively,
Wall portions are provided upright at both ends of the reinforcing member, and these wall portions are provided with first protrusions that protrude outward and engage with the first mounting holes,
On both side surfaces of the lid portion, there are provided second protrusions that protrude inward and engage with the second mounting hole ,
The mobile terminal , wherein both side surfaces of the lid cover the wall . The bottom and side surfaces and a lid portion constituting the top and the dividable housing that constitutes the bottom surface, a assembled structure of a mobile terminal having a reinforcing member disposed within the housing, a
A first rib having a first mounting hole opening inward and a second rib having a second mounting hole opening outward are provided at both ends of one end of the bottom and the other end opposite to the one end. There is erected, respectively,
Wall portions are respectively erected on both ends of the reinforcing member, and these wall portions are provided with first projecting portions that protrude outward.
On both side surfaces of the lid portion, there are provided second protrusions protruding inwardly,
Wherein the first mounting hole, by the first protrusion is engaged with make mounting the bottom to the reinforcing member,
The second mounting hole, by the second protruding portion is engaged, it is attached to the bottom to the lid,
An assembly structure of a portable terminal , wherein both side surfaces of the lid portion cover the wall portion .

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