JP2002185593A - Portable telephone - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the main substrate of a portable telephone from being broken when a load is applied to the substrate from the outside. SOLUTION: The portable telephone has a battery 3 fitted to the enclosure of the telephone and the main substrate 4 which is housed in the enclosure and mounted with various kinds of electronic parts. The enclosure has at least one first projecting section 2a which comes into contact with the substrate 4 and at least one second projecting section 2b which comes into contact with the battery 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable telephone, and more particularly, to a structure for preventing a main board provided inside thereof from being damaged.

[0002]

2. Description of the Related Art FIG.
It will be described based on. The mobile phone shown in FIG. 5 includes a front case 1 provided with a display unit and an operation unit, a rear case 102 that forms a housing of the mobile phone by combining with the front case 1, and mounted on the rear case 102. The battery includes a battery 3 and a main board 4 mounted in a housing and having various electronic components mounted thereon.

[0003] The internal structure of this portable telephone is described in detail. As shown in FIG. 6, one surface of a main board 4 and electronic parts provided on this surface are provided with a convex portion 102a provided on a rear case 102 and a convex portion 102a. Thus, the main board 4 is prevented from being deformed when a load is applied to the main board 4 in the direction of arrow L.

[0004]

However, in the portable telephone shown in the prior art, since there is a gap G between the rear case 102 and the battery 3 as shown in FIG. Therefore, in particular, when a load (arrow L) is applied from the front side of the mobile phone, pressing on the battery 3 side is not effective, and the main board 4 is deformed together with the rear case 102. In the worst case, there is a possibility that a trouble such as disconnection of the pattern printed on the main board 4 occurs and the mobile phone does not operate.

An object of the present invention is to provide a portable telephone capable of improving the disadvantages of the conventional example and preventing the main board from being damaged when an external load is applied.
With that purpose.

[0006]

In order to achieve the above object,
According to the present invention, in a mobile phone having a battery mounted in a housing and a main board mounted in the housing and mounted with various electronic components, the housing includes at least one first protrusion abutting on the main board. And at least one second projection that contacts the battery.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a portable telephone according to the present invention will be described with reference to FIGS. FIG. 1 is a side view of the mobile phone according to the present embodiment, and FIG.
FIG. 2 is an enlarged view of a portion A shown in FIG. Here, among the reference numerals shown in FIGS. 1 and 2, the same reference numerals as those used in the above-described conventional example indicate the same parts as those in the conventional example. Note that components and the like having the same reference numerals are not necessarily limited to those having the same shape and the same form.

A mobile phone according to the present embodiment has a front case 1 provided with a display section and an operation section, a rear case 2 formed by combining the front case 1 with the front case 1, and a rear case 2. Box-shaped battery 3 to be mounted
And a main board 4 mounted in a housing and mounted with various electronic components. In this case, the front case 1 and the rear case 2 are molded with a resin such as plastic.

The internal structure of the portable telephone has the same structure as that of the above-described conventional example. That is, as shown in FIG. 2, a plurality of substantially rectangular cross-sections provided on one surface of the main substrate 4 and a substrate facing portion of the rear case 2 where the electronic components disposed on this surface are opposed to the surface. It is in contact with the one convex portion 2a, thereby suppressing deformation of the main substrate 4 when a load is applied in the direction of arrow L.

Subsequently, on the rear side of the above-mentioned substrate facing portion of the rear case 2, that is, on the battery facing portion facing the battery 3, a second convex portion 2b abutting on the battery 3 is provided. The second convex portion 2b is formed in a substantially rectangular cross section, and a plurality of the second convex portions 2b are provided as shown in FIG. In this case, only two second convex portions 2b are illustrated in FIG. 2 for convenience of explanation, but this diagram is a partially enlarged view, and for example, the actual second convex portion 2b according to the present embodiment is In addition, a plurality of portions are further provided in the battery facing portion and at least on the back side of the substrate facing portion corresponding to the size of the main board 4.

By supporting the rear case 2 with the rigid battery 3 as described above, the arrow L
Can be suppressed more effectively when a load is applied in the direction of. That is, by providing the above-mentioned first and second projections 2a and 2b at a portion of the rear case 2 interposed between the battery 3 and the main board 4, the deformation of the main board 4 due to the load can be more effectively performed. Can be suppressed. As a result, it is possible to effectively avoid the above-mentioned problem, that is, the problem that the pattern of the main board 4 is broken and the mobile phone does not operate.

Here, in the present embodiment, the plurality of second projections 2
b is provided, but is not necessarily limited to this.
For example, one large second protrusion may be provided. This is the same for the first protrusion 2a. Further, the first and second protrusions 2a and 2b are provided at a portion of the rear case 2 interposed between the battery 3 and the main board 4, but the present invention is not limited to this. Further, in the present embodiment, the first and second convex portions 2a and 2b formed integrally with the rear case 2 are illustrated, but the present invention is not necessarily limited thereto, and the respective convex portions 2a and 2b are separately provided. May be provided. Furthermore, the shape of the first and second protrusions 2a and 2b is substantially rectangular in cross section, but is not necessarily limited to the shape of the present embodiment. Further, the protrusion may be provided on the battery 3 or the main board 4 and may be provided on the rear case 2.

Next, another embodiment of the portable telephone according to the above-described embodiment will be described with reference to FIGS. FIG. 3 is a side view of the mobile phone according to the present embodiment, and FIG. 4 is an enlarged view of a portion B shown in FIG. here,
3 and 4, the same reference numerals as those used in the above-described embodiment denote the same parts as those shown in the embodiment. In addition, parts and the like according to the same reference
It is not necessarily limited to those having the same shape and the same form.

A mobile phone according to this embodiment has a front case 1 provided with a display unit and an operation unit as in the above-described embodiment, and a rear case 12 which forms a housing of the mobile phone by combining the front case 1 with the front case 1. And this rear case 12
And a main board 4 mounted in a housing and mounted with various electronic components.

The internal structure is the same as that of the above-described embodiment. As shown in FIG. 4, one surface of the main board 4 and the electronic components disposed on this surface face the surface. A plurality of first protrusions 12a having a substantially rectangular cross section provided on the substrate facing portion of the rear case 12 to suppress deformation of the main substrate 4 when a load is applied in the direction of arrow L. are doing.

Here, the rear case 12 of the present embodiment will be described in detail. As described above, the rear case 12 is provided with a plurality of first protrusions 12a at the portion facing the substrate. Here, the back side of the substrate facing portion, that is, the battery 3
The battery facing portion opposite to the above is molded into a shape corresponding to the shape of the battery 3 unlike the above-described embodiment. More specifically, since the battery 3 of the present embodiment is a box shape having a substantially rectangular cross section, the battery 3 has a flat surface corresponding to one surface thereof, and one surface of the battery 3 when the battery 3 is mounted. Molded to abut.

By supporting the rear case 12 on one entire surface of the rigid battery 3 as described above, the deformation of the main board 4 when a load is applied in the direction of arrow L is smaller than that of the above-described embodiment. Thus, it can be more effectively suppressed. That is, the first protrusion 12 a described above is provided at a portion of the rear case 12 interposed between the battery 3 and the main board 4.
Is provided, and the battery facing portion of the portion is brought into contact with the battery 3 so that the main board 4
Can be more effectively suppressed as compared with the above-described embodiment. As a result, it is possible to more effectively avoid the possibility that the mobile phone will not operate due to a problem such as disconnection of the pattern of the main board 4.

In the present embodiment, for example, one large first convex portion 12b may be provided similarly to the above-described embodiment, and the arrangement location is not limited to that of the present embodiment. Similarly, the shape is not limited to the shape of the present embodiment.

[0019]

The portable telephone according to the present invention has, on its housing, a first convex portion abutting on the main board and a second convex portion abutting on the battery. In particular, it is possible to obtain an unprecedented excellent mobile phone that can effectively suppress deformation of the main board when a load is applied particularly from the front side.

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of a mobile phone according to the present invention, and is a partial sectional view showing an internal structure thereof.

FIG. 2 is a schematic diagram illustrating an internal structure of the mobile phone according to the embodiment, and is an enlarged view of a portion A illustrated in FIG. 1;

FIG. 3 is a side view showing a mobile phone according to another embodiment, and is a partial cross-sectional view showing an internal structure thereof.

4 is a schematic diagram illustrating an internal structure of a mobile phone according to another embodiment, and is an enlarged view of a portion B illustrated in FIG. 3;

FIG. 5 is a side view showing a conventional mobile phone, and is a partial sectional view showing an internal structure thereof.

6 is a schematic diagram illustrating an internal structure of a conventional mobile phone, and is an enlarged view of a portion C shown in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Front case 2,12 Rear case 2a, 12a 1st convex part 2b 2nd convex part 3 Battery 4 Main board

Continued on the front page F-term (reference) 4E360 AA02 AB02 AB13 AB42 AB52 CA01 EA27 FA12 GA12 GB26 5E348 AA07 AA40 FF03 5K023 AA07 BB26 LL01 LL06

Claims (1)

[Claims] 1. A mobile phone having a battery mounted on a housing and a main board mounted in the housing and having various electronic components mounted thereon, wherein the mobile phone contacts the housing with the main board. A mobile phone comprising at least one first protrusion and at least one second protrusion that contacts the battery.