JP4935692B2 - Mobile terminal device - Google Patents

Description

  The present invention relates to a portable terminal device, and more particularly to a portable terminal device with a waterproof function such as a foldable mobile phone device with a waterproof function having a reduced thickness.

  Mobile terminal devices such as mobile phone devices are used in various environments. Therefore, a mobile phone device with a waterproof function is known.

  In the case of a so-called straight type mobile phone device, a waterproof function of the housing can be realized by using a rubber annular packing (see, for example, Patent Document 1).

  On the other hand, in the case of a so-called foldable mobile phone device, in addition to the waterproof function of each casing, the waterproof function of the hinge portion is required. This is because the wiring member for electrically connecting the electronic circuits in the plurality of (two) housings is disposed inside the hinge portion.

  Patent Document 2 describes a foldable electronic device that waterproofs a first housing, a second housing, and a hinge portion using a gasket and a hinge cap. The first housing of Patent Document 2 is composed of a front case and a rear case, and a gasket different from a gasket for waterproofing a hinge portion or the like is attached to a joint surface between the front case and the rear case. The inside of the first housing is sealed. Further, six screws are arranged on the outer peripheral side of the gasket in order to fix the front case and the rear case. Similarly, the second housing is also composed of a front case and a rear case, and a similar sealing structure is adopted.

In Patent Document 3, when a connection wiring is inserted into a hinge portion that rotatably connects the first case and the second case, one end portion of the waterproof tube into which the connection wiring is inserted is connected to the first case. A foldable mobile phone is described in which the other end of the waterproof tube is closely fixed to the mounting hole of the second case with the mounting bracket while being fixed to the mounting hole with the mounting bracket. With this configuration, even if water enters the hinge portion, the waterproof tube can prevent water from entering the first and second cases.
Japanese Patent Laid-Open No. 10-070375 JP 2005-28276A JP 2005-325849 A

  However, in order to realize the waterproof function of the casing, when a gasket is used as in Patent Document 2, it is often necessary to fix the front case and the rear case in order to reliably compress the gasket (six pieces). ) Screws must be placed on the outer periphery of the gasket, and the rigidity and strength of the housing must be maintained. For this reason, there exists a subject that the magnitude | size of a housing | casing becomes large or thickness becomes thick.

  In addition, in order to realize the waterproof function of the hinge part, when a gasket and a hinge cap are used as in Patent Document 2 or when a mounting bracket is used as in Patent Document 3, the gasket and the mounting bracket are used. However, there is a problem that the size of the hinge portion becomes large or the thickness becomes thick.

  In other words, the configurations such as Patent Document 2 and Patent Document 3 have a problem that the overall size of the mobile phone device increases and the thickness increases.

  The present invention solves these problems, and while maintaining the waterproof function, the foldable mobile phone that can be reduced in size and thickness as a whole including the housing and the hinge portion. It aims at providing portable terminal devices, such as a device.

  The portable terminal device of the present invention is connected to a casing, a frame that is bonded to the casing and is housed in the casing, a waterproof film that is bonded to the frame, and a molded body that is integrally formed with the frame. And a waterproof tube having a wiring member electrically connected to the electronic circuit in the housing inserted therein.

  With this configuration, the entire interior of the housing is not waterproofed, but the space enclosed by the housing, frame, and waterproof film in the housing is waterproofed, and the frame and waterproof tube are connected by integral molding in the housing. As a result, the rigidity or strength of the housing can be reduced, and the mounting brackets and gaskets for the hinge part are not required. Therefore, the overall size including the housing and the hinge part is maintained while maintaining the waterproof function. It is possible to provide a mobile terminal device such as a mobile phone device with a waterproof function that can be reduced in thickness or thickness.

  Moreover, the foldable portable terminal device of the present invention includes a first housing, a second housing, and a hinge portion that rotatably connects the first housing and the second housing. A wiring member that electrically connects the electronic circuit in the first casing and the electronic circuit in the second casing through the inside of the hinge portion, and is bonded to the first casing; A frame housed in the housing, a waterproof film adhered to the frame body, and integrally formed and connected to the frame body, and the wiring member is inserted into the hinge portion and disposed inside the hinge portion. And a waterproof tube.

  With this configuration, the entire interior of the housing is not waterproofed, but the space enclosed by the housing, frame, and waterproof film in the housing is waterproofed, and the frame and waterproof tube are connected by integral molding in the housing. As a result, the rigidity or strength of the housing can be reduced, and the mounting brackets for the hinge part are not required, so the overall size including the housing and the hinge part can be reduced while maintaining the waterproof function. It is possible to provide a foldable mobile terminal device such as a foldable mobile phone device with a waterproof function that can be reduced in thickness or thickness.

  The present invention does not waterproof the entire housing, but waterproofs the space surrounded by the housing, the frame, and the waterproof film in the housing, and further connects the frame and the waterproof tube by integral molding in the housing. As a result, the rigidity or strength of the housing can be reduced, and the mounting brackets for the hinge part are not required, so the overall size including the housing and the hinge part can be reduced while maintaining the waterproof function. Therefore, it is possible to provide a portable terminal device such as a foldable portable telephone device with a waterproof function that can be reduced in thickness.

  The best mode for carrying out the present invention will be described below with reference to the drawings.

(Embodiment 1)
FIG. 1 shows an external view of a foldable mobile phone device 100 with a waterproof function, which is a foldable mobile terminal device according to Embodiment 1 of the present invention. In the foldable mobile phone device 100, a first housing 1 provided with a display unit 10 and a second housing 2 provided with an operation unit such as a numeric keypad (not shown) are connected by a hinge unit 3 so as to be freely opened and closed. . FIG. 1 shows a state in which the foldable mobile phone device 100 is closed.

  When the foldable mobile phone device 100 is used, the first casing 1 is opened and the second casing 2 is held by hand, so that the thicker second casing 2 is easier to use. The second housing 2 houses a rechargeable battery (not shown), a wireless communication circuit, a control circuit, a memory, and other electronic circuits. Since the thickness of the second casing 2 can be made relatively thick, a conventional waterproof structure that compresses a gasket can be adopted.

  In comparison with this, the first casing 1 is often made to have a display unit 10 built therein, and the thickness of the casing is relatively thin. For this reason, in Embodiment 1 of the present invention, a unique waterproof structure is adopted for the first housing 1 to realize a thin mobile phone device with a waterproof function.

  FIG. 2 is a perspective view when the upper cover 1a of the first housing 1 is removed upward. 2b of FIG. 2 is a lower cover of the 1st housing | casing 1, and the frame 4 which integrally molded the waterproof tube 8 is affixed. A waterproof film 5 is pasted on the top surface of the frame body 4. In a space formed by the lower cover 1b, the frame body 4, and the waterproof film 5, circuit boards 7 on which electronic components 6 illustrated by broken lines are mounted are accommodated. A display device 11 (for example, a liquid crystal display device) that performs the function of the display unit 10 is mounted on the circuit board 7. Moreover, the area | region which opposes the display part of the waterproof film 5 is made transparent.

  Note that not only a part of the waterproof film 5 but also the whole may be transparent. If the waterproof film 5 is transparent, an IrDA unit (not shown), a camera unit, or the like can be mounted on the circuit board 7 and used. A display window 1c (for example, a transparent window) is also provided on the upper cover 1a of the first housing 1. The waterproof tube 8 is formed integrally with the frame body 4, is disposed inside the hinge portion 3, and is connected to a waterproof space in the second housing 2 (not shown) via the inside of the hinge portion 3. . The waterproof tube 8 and the frame body 4 can be integrally molded by placing the waterproof tube 8 in a mold in a state where the waterproof tube 8 is inserted and molding the frame body 4.

  FIG. 3 shows a perspective view when the waterproof film 5 of the first housing 1 is removed upward. The wiring member 15 is connected to the electronic circuit of the circuit board 7 of the first housing 1 by using the connector 13, and is arranged inside the hinge portion 3 in a state of being inserted into the waterproof tube 8. Is electrically connected to an electronic circuit in the second housing 2 (not shown).

  FIG. 4 shows a frame 4 (in a state where the waterproof tube 8 is not integrally molded) of the cellular phone device with waterproof function 100 according to Embodiment 1 of the present invention. FIG. 4A is a front view of the frame body 4, and FIG. 4B is a side view of the frame body 4. The frame body 4 is formed with a tube connecting portion 4a. FIG. 4C shows an enlarged view of the tube connecting portion 4a viewed from the direction of the arrow A. The hole of the tube connecting portion 4a is in the shape of a so-called long hole so that a flat waterproof tube 8 can be inserted. The material of the frame 4 may be ABS resin or polycarbonate, as long as it is a material that adheres to the lower cover 1b of the first housing 1 and does not allow water to pass. In FIG. 4, the tube connection portion 4 a is provided at an oblique side portion of the upper right corner of the frame body 4. This is because, as shown in FIG. 2, it is assumed that the waterproof tube 8 is inserted into the hinge portion 3 from the upper right portion of the first housing 1. Thus, by providing an oblique side at the corner of the frame body 4 and integrally forming the waterproof tube 8 on the oblique side portion, the space is not wasted (therefore, the first casing 1 of the first casing 1). The waterproof tube 8 can be connected to the hinge portion 3 (without increasing the size).

  In FIG. 5, the perspective view of the state which integrally molded the frame 4 and the waterproof tube 8 is shown.

  6, when the waterproof tube 8 is passed through the hinge fitting 9 and the gasket 12 for press-fitting the hinge (the second casing 2) as a pre-process for attaching the frame 4 to the lower cover 1b of the first casing 1. This is because the gasket 12 and the waterproof tube 8 are firmly fixed together with the structure on the side so that the water is stopped. A connector 13 is attached to the tip of the wiring member 15 inside the frame 4. Here, the gasket 12 is used to connect to a waterproof space in the second casing 2 on the second casing side. Note that a mounting bracket may be used instead of the gasket 12.

  FIG. 7 shows an exploded perspective view in which the respective parts of the first housing 1 are disassembled and arranged. A circuit board 7 (the electronic component 6 is not shown) is disposed in the lower case 1b of the first housing. A waterproof double-sided pressure-sensitive adhesive sheet 14a is affixed around the circuit board 7, and the frame body 4 to which the hinge fitting 9, gasket 12 and connector 13 as shown in FIG. 6 are attached is fixed on the waterproof double-sided pressure-sensitive adhesive sheet 14a. The connector 13 is connected to the circuit board. And the waterproof film 5 is affixed and fixed. In the exploded perspective view of FIG. 7, the lower surface of the waterproof film 5 is an adhesive surface. And the 1st housing | casing 1 is assembled by overlapping the upper cover 1a and uniting with the lower cover 1b.

  Further, in the lower case 1b of the first casing in FIG. 7, a square hole 22 is formed in a region facing the main display unit. Further, a main display portion sheet 32 (for example, a liquid crystal panel) is attached to the lower case 1b from the outside with a waterproof double-sided adhesive sheet or the like. A display device 31 (for example, a liquid crystal display device) for the main display unit is attached to the lower surface of the circuit board 7. In FIG. 7, the display device 31 is indicated by a broken line.

  FIG. 8 is a cross-sectional view of mobile phone device 100 with a waterproof function according to Embodiment 1 of the present invention. In FIG. 8, only the first housing 1 is shown in cross section. In FIG. 8, in order to bond the waterproof film 5 to the frame body 4, the lower surface of the waterproof film 5 is not an adhesive surface, and no adhesive surface is provided on the lower surface of the waterproof film 5. The structure which adhere | attaches the waterproof film 5 to the frame 4 is shown.

As described above, the foldable mobile phone device 100 according to the first embodiment of the present invention does not waterproof the entire inside of the first casing 1 but instead of one casing ( Specifically, the space surrounded by the lower cover 1b), the frame 4 and the waterproof film 5 is waterproofed, and the frame 4 and the waterproof tube 8 are connected by integral molding in the first housing 1. Thus, the rigidity or strength of the first housing 1 may be small, and the mounting bracket or the like of the hinge part 3 is unnecessary at least on the first housing 1 side, so that the first housing 1 is maintained while maintaining the waterproof function. As a whole including the body 1 and the hinge portion 3, the size can be reduced or the thickness can be reduced. A mobile terminal device such as the foldable mobile phone device 100 has a good design and matches the trend of thinning of mobile phone devices in the market.

  Although the mobile phone device 100 according to the first embodiment of the present invention has been described as a foldable mobile phone device, the waterproof structure in the first housing 1 according to the first embodiment is a foldable mobile phone. The present invention can be applied not only to a device but also to various mobile terminal devices such as a mobile phone device such as a so-called sliding mobile phone device, a mobile game device, and a mobile TV receiver.

  The present invention does not waterproof the entire housing, but waterproofs the space surrounded by the housing, the frame, and the waterproof film in the housing, and further connects the frame and the waterproof tube by integral molding in the housing. As a result, the rigidity or strength of the housing can be reduced, and the mounting brackets for the hinge part are not required, so the overall size including the housing and the hinge part can be reduced while maintaining the waterproof function. Therefore, it can be applied to a portable terminal device such as a foldable portable telephone device with a waterproof function.

1 is an external view of a mobile phone device according to Embodiment 1 of the present invention. 1 is an exploded perspective view of a first housing of a mobile phone device according to Embodiment 1 of the present invention. 1 is an exploded perspective view of a first housing of a mobile phone device according to Embodiment 1 of the present invention. (A) Front view of the frame of the mobile phone device according to Embodiment 1 of the present invention (b) Side view of the frame of the mobile phone device according to Embodiment 1 of the present invention (c) Implementation of the present invention The elements on larger scale of the tube for a connection integrally formed in the frame of the mobile telephone apparatus which concerns on form 1 The perspective view of the frame concerning Embodiment 1 of the present invention The perspective view when attaching an accessory to the frame which concerns on Embodiment 1 of this invention 1 is an exploded perspective view of a first housing of a mobile phone device according to Embodiment 1 of the present invention. Sectional drawing of the mobile telephone apparatus which concerns on Embodiment 1 of this invention

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Mobile phone apparatus 1 1st housing | casing 1a Upper cover 1b Lower cover 1c Display window 2 2nd housing | casing 3 Hinge part 4 Frame 5 Waterproof film 6 Electronic component 7 Circuit board 8 Waterproof tube 9 Hinge bracket 10 Display part 11 , 31 Display device 12 Gasket 13 Connector 14a, 14b Waterproof double-sided adhesive sheet 15 Wiring material 32 Main display sheet

Claims (6)

A housing,
A frame bonded to the housing and housed in the housing;
A waterproof film bonded to the frame;
A waterproof tube in which a wiring material that is integrally molded with the frame and connected, and electrically connected to an electronic circuit in the housing is inserted,
A mobile terminal device comprising: The casing and the frame body are bonded via a waterproof double-sided adhesive sheet,
The frame and the waterproof film were bonded via a waterproof double-sided pressure-sensitive adhesive sheet,
The mobile terminal device according to claim 1. The frame has diagonal sides at corners;
The waterproof tube is integrally molded at the oblique side of the frame,
The mobile terminal device according to claim 1. A first housing;
A second housing;
A hinge portion for rotatably connecting the first housing and the second housing;
A wiring member for electrically connecting the electronic circuit in the first housing and the electronic circuit in the second housing through the inside of the hinge portion;
A frame bonded to the first housing and housed in the first housing;
A waterproof film bonded to the frame;
A waterproof tube that is integrally molded with the frame body and connected, and the wiring member is inserted into the hinge portion and disposed inside the hinge portion,
A foldable portable terminal device. The first casing and the frame body are bonded via a waterproof double-sided pressure-sensitive adhesive sheet,
The frame and the waterproof film were bonded via a waterproof double-sided pressure-sensitive adhesive sheet,
The foldable portable terminal device according to claim 4. The frame has diagonal sides at corners;
The waterproof tube is integrally molded at the oblique side of the frame,
The mobile terminal device according to claim 4.

Images