JP2003008712A - Portable communication terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable communication terminal for reducing the thickness of the entire part, using a simple configuration. SOLUTION: An operating section 3 or a display section 11 is formed on one surface side, a body where a battery 17 is fitted is provided at the other surface side, a battery accommodating recess 3a for fitting the battery is formed at the other surface side of the body, a substrate accommodating recess 3b, where a substrate 15 for packaging electronic components 14 is fitted, is formed at the opposite side of the battery accommodation recess via a partition wall 13, and a through-hole 19 for inserting the electronic component which is packaged to the substrate is formed on the partition wall.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable communication terminal such as a portable telephone or PHS.

[0002]

2. Description of the Related Art Conventionally, in mobile phones, PHS, etc.,
A board on which electronic components are mounted and a battery such as a secondary battery are mounted on the main body by distributing them to the front and back surfaces of the main body.

As an example of the structure, as shown in FIGS. 4 and 5, a battery housing recess 101a for housing a battery 108 is formed on the back side of an operating portion 101 which constitutes the main body, and the operating portion 101 is formed. On the surface side of the electronic component 10
The board storing recess 1 for housing the board 109 on which the No. 4 is mounted.
A configuration is known in which 01b is formed, and the battery storage recess 101a and the substrate storage recess 101b are separated by a partition wall 102.

And, such a portable communication terminal is
The board 109 is mounted in the board housing recess 101b with the electronic component 104 mounted on one surface thereof facing the partition wall 102, and the product name and the product are mounted on the battery housing recess 101a side of the partition wall 102. After sticking the nameplate 103 on which the number or the manufacturer's name, etc. is attached, this nameplate 103
The battery 1 in the battery storage recess 101a so as to cover the battery 1
It is designed to be assembled by mounting 08.

[0005]

By the way, in such a conventional portable communication terminal, there are the following problems to be improved.

That is, in the portable communication terminal,
Although thinning is required, in order to achieve thinning in the above-described conventional structure, the clearance between the electronic component 104 mounted on the substrate 109 and the partition 102 should be narrowed as much as possible, or the thickness of the partition 102 should be reduced. There is only a way to thin the.

However, in order to narrow the clearance between the electronic component 104 and the partition wall 102, the electronic component 1
04 mounting accuracy and mounting height variations
There is a restriction, and even if the partition wall 102 is made thin, there is a problem in that the thickness of the portable communication terminal is restricted due to the restriction from the viewpoint of formability.

The present invention has been made in view of the above conventional problems, and an object thereof is to provide a portable communication terminal capable of reducing the thickness as a whole by a simple structure. To do.

[0009]

In order to achieve the above-mentioned object, the portable communication terminal according to claim 1 of the present invention is provided with an operation part or a display part on one surface side and the other part. There is a main body on which the battery is mounted on the surface side, and a battery storage recess for forming the battery is formed on the other surface side of the main body, and an electronic component is mounted on the opposite side of the battery storage recess. A board housing recess in which a board is mounted is formed through a partition wall, and a through hole into which an electronic component mounted on the board is inserted is formed in the partition wall. The portable communication terminal according to claim 2 of the present invention comprises:
A nameplate is adhered to the battery housing recess according to claim 1 so as to cover the through hole formed in the partition wall. A portable communication terminal according to a third aspect of the present invention is characterized in that a non-adhesive portion is formed at a portion of the name plate according to the second aspect that is overlapped with the through hole. The portable communication terminal according to claim 4 of the present invention is characterized in that the non-adhesive portion according to claim 3 is formed by applying a non-adhesive to the adhesive layer of the nameplate. To do. In the portable communication terminal according to claim 5 of the present invention, the non-adhesive portion according to claim 3 is formed by forming an adhesive layer formed on the name plate while avoiding a portion where the adhesive layer is overlapped with the through hole. It is characterized by being formed by doing. In the portable communication terminal according to claim 6 of the present invention, a rib is formed on the partition wall side of the partition wall according to any one of claims 1 to 5 so as to surround the partition wall. It is characterized by being. The portable communication terminal according to claim 7 of the present invention is
The end face of the rib described in 1 above is formed in a corrugated shape. The portable communication terminal according to claim 8 of the present invention is characterized in that the rib according to claim 6 is constituted by a plurality of independent protrusions. The portable communication terminal according to claim 9 of the present invention is
A through hole through which locking claws are integrally provided at respective parallel portions of the rib according to any one of claims 8 to 8, and the locking claws are fitted and locked on the substrate. Is formed. Claim 1 of the present invention
The portable communication terminal according to claim 0, wherein a conductive portion is laminated on the surface of the rib according to any one of claims 6 to 9,
While enclosing the electronic component on the substrate, forming a conductive portion to be contacted with the conductive portion, on the nameplate surface,
It is characterized in that a conductive sheet that is brought into contact with the conductive rubber of the rib is laminated. According to an eleventh aspect of the present invention, there is provided a portable communication terminal device, wherein the main body according to any one of the first to tenth aspects is a display provided with an operation unit provided with an input unit and a display unit. Part and
The operation unit and the display unit are foldably connected to each other.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to FIGS.

In FIG. 1, reference numeral 1 denotes a portable communication terminal to which the present embodiment is applied, and an operation unit 3 provided with an input means 2 such as an input key and a display unit provided with a display 10. 11, and the operation unit 3 and the display unit 11 are rotatably connected by a hinge 12 and can be folded when not in use.

The inside of the operating portion 3 is divided into two by the partition wall 13 in the thickness direction, and the front surface side is a substrate storage recess 3b on which the substrate 15 on which the electronic component 14 is mounted is mounted. The back side serves as a battery housing recess 3a in which the battery 17 is mounted.

The partition wall 13 is formed with a through hole 19 into which the electronic component 14 mounted on the substrate 15 is inserted. The substrate storage recess 3b of the partition wall 13
On the side, an annular rib 20 is provided along the periphery of the through hole 19.
Are formed as shown in FIG.

On the other hand, a nameplate 21 is attached to the battery housing recess 3a so as to cover the through hole 19 formed in the partition wall 13. The nameplate 21 is formed of a thin plastic film or paper,
A non-adhesive portion 22 is formed at a portion overlapping the through hole 19, as shown by a broken line in FIG. The non-adhesive portion 22 is formed, for example, by applying a non-adhesive to the adhesive layer of the nameplate 21, or avoids a portion where the adhesive layer formed on the nameplate 21 is overlapped with the through hole. It is formed by forming.
Alternatively, a thin film having the size of the through hole may be attached to form the non-adhesive portion 22. Further, a notch having the size of the through hole may be made in the release paper, and the portion of the through hole when peeled off. It is also possible that only the release paper remains and the non-adhesive portion 22 is formed.

In the portable communication terminal 1 according to this embodiment having the above-mentioned structure, the board 15 is provided with the electronic component 14
The electronic component 1 is inserted from the side into the substrate storage recess 3b.
4 is fixed in a state of being positioned in the through hole 19 of the partition wall 13, and the name plate 21 is attached to the battery storage recess 3a side of the partition wall 13 so as to cover the through hole 19, and then the battery storage The battery 17 is assembled by mounting the battery 17 in the recess 3a.

In the portable communication terminal 1 assembled in this manner, the electronic component 14 is located in the through hole 19 of the partition wall 13, so that the electronic component 14 and the battery 17 are connected to each other. The distance between the two will be greatly reduced. Since only the thin nameplate 21 exists between the electronic component 14 and the battery 17, the thickness of the portable communication terminal 1 as a whole is reduced without reducing the thickness of the partition wall 13. Is possible. Therefore,
It is possible to reduce the thickness of the partition wall 13 as a whole without being restricted by the thinning of the partition wall 13.

Further, since the non-adhesive portion 22 is formed at a portion of the name plate 21 which is overlapped with the through hole 19, the adhesion between the name plate 21 and the electronic component 14 is avoided, and as a result, the portable device is carried. The disassembly of the type communication terminal 1 is ensured.

By providing the rib 20 so as to surround the through hole 19, it is possible to suppress the strength reduction of the partition wall 13 due to the formation of the through hole 19, and
The function of the substrate 15 as a supporting member can be ensured.

It should be noted that the shapes, sizes, etc. of the respective constituent members shown in the above embodiment are merely examples, and can be variously changed based on design requirements and the like. For example, in the above-described embodiment, the portable communication terminal 1 having the configuration in which the operation unit 3 and the display unit 11 are foldably connected to each other has been shown. Of course, it can be applied.

Further, as shown in FIG. 6, the rib 20 is
The rib 20b may have an arcuate corrugation, or the rib 20c may have a triangular corrugation as shown in FIG. Further, as shown in FIG. 8, a rib is constituted by a plurality of plate-shaped independent protrusions (square ribs 20d), or as shown in FIG. 9, a plurality of pin-shaped protrusions (pin ribs 20d).
It is also possible to configure the rib by e). With such a configuration, the weight of the rib 20 can be reduced.

Further, as shown in FIG.
The locking claws 23 are integrally provided at a pair of parallel parts of the board, and the board 15 is formed with a pair of claw through holes 24 into which the locking claws 23 are fitted and locked. 15
In the state where is attached to the operation portion 3, it is possible to restrain unnecessary movement of the board 15 and suppress the deformation thereof to prevent solder cracks of the board 15.

Further, as shown in FIG. 11, a conductive portion 27 is formed on the surface of the operation portion 3 at a position surrounding the rib 20 and on the surface of the rib 20 by vapor deposition, and the conductive portion 27 is formed on the substrate 15. A conductive portion 25 is formed at a position surrounding the electronic component 14, and the conductive sheet 2 is formed on the surface of the nameplate 21.
2b are laminated, conductive rubber is applied to the top surface of the rib 20 or placed on the rib 20, and the conductive rubber 26 is sandwiched so that the name plate 21 and the substrate 15 are mounted. The electrically conductive portion 27, the electrically conductive sheet 22b, and the electrically conductive rubber 26 may be electrically connected, and the electronic component 14 may be surrounded by these to form a shield.

[0023]

As described above, according to the portable communication terminal according to the present invention, the distance between the electronic component and the battery is narrowed without changing the thickness of the partition wall to reduce the overall thickness. be able to. Moreover, it is possible to achieve thinning without impairing the moldability of the mobile communication terminal body.

[Brief description of drawings]

FIG. 1 is a perspective view showing an example of a mobile communication terminal to which the present invention is applied.

FIG. 2 shows an embodiment of the present invention, and is taken along line A- of FIG.
It is an A line sectional view.

FIG. 3 is a vertical cross-sectional view of a main part showing an embodiment of the present invention.

FIG. 4 is an exploded perspective view showing a main part of a conventional example.

5 is a sectional view taken along the line AA of FIG. 4, showing a main part of a conventional example.

FIG. 6 is a perspective view of an operation unit showing a modified example of the present invention.

FIG. 7 is a perspective view of an operation unit showing a modified example of the present invention.

FIG. 8 is a perspective view of an operation unit showing a modified example of the present invention.

FIG. 9 is a perspective view of an operation unit showing a modified example of the present invention.

FIG. 10 is an exploded perspective view of essential parts showing a modified example of the present invention.

FIG. 11 is an exploded perspective view showing a modified example of the present invention.

[Explanation of symbols]

1 Portable communication terminal 2 input means 3 operation part 3a Battery storage recess 3b Substrate storage recess 10 display 11 Display 12 hinges 13 partitions 14 Electronic components 15 substrates 17 batteries 19 through holes 20 ribs 20b (arc-shaped) corrugated rib 20c Wave (triangle) rib 20d square rib 20e pin rib 21 nameplate 22 Non-adhesive part 22b conductive sheet 23 (Lock) claw 24 Claw Through Hole 25 Conductive part 26 Conductive rubber 27 Conductive part 101 Operation unit 101a Battery storage recess 101b Substrate storage recess 102 partition 103 nameplate 104 electronic components 108 batteries 109 substrate

Claims (11)

[Claims] 1. A battery having an operation section or a display section formed on one surface side, and a main body to which a battery is mounted on the other surface side, and the battery on which the battery is mounted to the other surface side of the main body. A storage recess is formed, and a substrate storage recess for mounting a substrate on which electronic components are mounted is formed on the opposite side of the battery storage recess through a partition wall, and the partition wall is mounted on the substrate. A portable communication terminal, wherein a through hole into which an electronic component is inserted is formed. 2. The portable communication terminal according to claim 1, wherein a nameplate is attached to the battery housing recess so as to cover the through hole formed in the partition wall. 3. The portable communication terminal according to claim 2, wherein a non-adhesive portion is formed on a portion of the name plate that overlaps the through hole. 4. The portable communication terminal according to claim 3, wherein the non-adhesive part is formed by applying a non-adhesive to the adhesive layer of the nameplate. 5. The non-adhesive portion is formed by forming an adhesive layer formed on the name plate so as to avoid a portion overlapping with the through hole. Portable communication terminal. 6. The portable communication according to claim 1, wherein a rib is formed on the substrate storage recess side of the partition wall so as to surround the partition wall. Terminal. 7. The portable communication terminal of claim 6, wherein the rib has a corrugated end surface. 8. The portable communication terminal of claim 6, wherein the rib is formed by a plurality of independent protrusions. 9. A locking claw is integrally provided on each of the parallel portions of the rib, and a through hole into which the locking claw is fitted and locked is formed in the substrate. 9. The mobile communication terminal according to claim 6, wherein the mobile communication terminal is a mobile communication terminal. 10. A conductive part is laminated on a surface of the rib, the conductive part is formed on the substrate so as to surround the electronic component and contact the conductive part, and the conductive part of the rib is formed on the surface of the nameplate. The portable communication terminal according to any one of claims 6 to 9, wherein the conductive sheets that are brought into contact with each other are laminated. 11. The main body includes an operation unit provided with an input unit and a display unit provided with a display unit, and the operation unit and the display unit are foldably connected to each other. The mobile communication terminal according to any one of claims 1 to 10.