JP2011250076A - Portable electronic apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable electronic device in which a stopper member is capable of being disposed regardless of disposition of members outside a housing such that the stopper member is disposed on the side of an inner space of the housing to restrict coming-off of a closing member pressed from the side of an external space into a through hole portion.SOLUTION: A portable phone 1 includes a through hole portion 250 causing an external space AR1 and inner space AR2 of a front case 3b included in a display-unit-side housing 3 to communicate with each other, a flexible printed circuit board 200 having one end side penetrating the through hole portion 250 and disposed in the inner space AR2, a first grommet 210 attached to the flexible printed circuit board 200 such that its part is pressed from the side of the external space AR1 into the through hole portion 250 to close the through hole portion 250, and a stopper member 240 whose whole or part is disposed in the inner space AR2 and which abut on or is engaged in the first grommet 210 to restrict coming-off of the first grommet 210 from the through hole portion 250.

Description

  The present invention relates to a portable electronic device such as a cellular phone.

Conventionally, a first casing in which a first substrate is disposed, a second casing in which a second substrate is disposed, and a connecting portion that couples the first casing and the second casing in an openable / closable manner. There is an open / close type mobile phone.
In such a mobile phone, the first substrate disposed inside the first housing and the second substrate disposed inside the second housing are electrically connected by a predetermined flexible printed circuit board. Yes.

  In this case, the flexible printed circuit board has one end inserted through the first through hole formed in the first housing and electrically connected to the first substrate, and the other end formed in the second housing. The first substrate and the second substrate are electrically connected by being inserted through the second through hole portion and electrically connected to the second substrate.

In recent years, there is a mobile phone having a waterproof function in which water does not enter the inside of the housing.
In order to provide a waterproof function to the open / close type mobile phone described above, it is necessary to close a through hole portion through which the flexible printed circuit board formed in the first housing or the second housing is passed.

  Here, as a mobile phone having a waterproof function in which the through hole portion is closed, for example, a through hole (through hole portion) is formed in the side surface of the upper housing, and a flexible wiring board (flexible printed circuit board) is passed through the through hole. In addition, a mobile phone has been proposed in which a waterproof cap (blocking member) attached to a flexible wiring board is fitted in a through hole (see, for example, Patent Document 1). In the mobile phone of Patent Document 1, the waterproof cap is configured not to come out of the through hole by a retaining claw formed on a hinge cover member that is a cover of the connecting member.

JP 2006-345286 A

However, in the mobile phone of Patent Document 1, since the retaining member that prevents the blocking member from being removed from the through hole is formed on the hinge cover member provided in the external space of the housing, the specific structure (position of the configuration) There is a problem that the technology can only be used in the case of (Relationship).
For example, when the shaft member around which the flexible printed circuit board is wound is disposed so as to face the through hole, there is a problem that the retaining member in the mobile phone of Patent Document 1 cannot be formed in the mobile phone.

  According to the present invention, a stopper member that restricts the closing member press-fitted from the external space side into the through hole formed in the housing from the through hole is disposed on the internal space side of the housing. An object of the present invention is to provide a portable electronic device in which a stopper member can be arranged regardless of the structure and the arrangement of members.

  The present invention includes a first housing having a first surface and an outer shell constituted by a first case body, a second housing having a second surface and an outer shell constituted by a second case body, and the first housing A connecting portion that connects a housing and the second housing, wherein the first surface and the second surface are disposed so as to face each other, and the first surface and the second surface are A connecting portion that connects the first housing and the second housing so as to be rotatable about a rotation shaft extending in one direction so as to be deformable into an open state that is spaced apart; A rod-shaped attached member disposed on one side of the first direction and extending in the first direction; formed in the first case body; and an external space and an internal space in the first case body A through-hole portion that communicates with each other, and is wound around the attached member and arranged at one end side of the through-hole portion. A flexible printed circuit board that is inserted and disposed in the internal space, and is attached to the flexible printed circuit board at a predetermined distance from one end of the flexible printed circuit board, and part of the flexible printed circuit board extends from the external space side to the through hole portion. A closing member that is press-fitted and closes the outer space side in the through-hole portion, a packing member that is disposed at a predetermined position on the inner space side than the closing member in the through-hole portion, and all or part of the packing member A portable electronic device comprising: a stopper member disposed in an internal space and contacting or engaging with the blocking member to restrict the blocking member partially press-fitted into the through-hole portion from coming out of the through-hole portion. Regarding equipment.

  The closing member is formed by extending a flange portion disposed in the external space, a closing portion that is press-fitted into the through-hole portion to close the through-hole portion, and extends toward the internal space in the closing portion. And an extension portion formed so that a length in the inner diameter direction of the through hole portion is shorter than a length in the inner diameter direction in the closing portion, and the stopper member is provided in the inner space. It is preferable to include a movement restricting portion that is arranged and an insertion portion that is inserted into the through-hole portion.

  The stopper member is disposed at a predetermined position by moving the insertion portion from the inner space side toward the outer space side so that the insertion portion is inserted into the through-hole portion. It is preferable that the stopper member is moved (inserted) from the inner space side to the outer space side in the through hole by the distal end portion of the insertion portion.

  Further, when the movement restricting portion of the stopper member is brought into contact with the vicinity of the through hole portion on the inner side surface of the first case body, the packing member is positioned at a predetermined position by the distal end portion of the insertion portion. It is preferable.

  Moreover, it is preferable that the said stopper member is provided with the slit part formed so that the said flexible printed circuit board may be penetrated from the outer side in this cyclic | annular form while it is substantially cyclic | annular.

  Moreover, it is preferable that the said insertion part in the said stopper member is press-fit in the said through-hole part, and obstruct | occludes the said internal space side in the said through-hole part.

  Further, the rod-shaped attached member is disposed so as to face the opening on the outer space side in the through-hole portion, and the inner space side in the through-hole portion has an inner diameter that increases toward the opening side. A flat or curved inclined surface is preferably formed in the vicinity of the opening.

  The present invention includes a first housing having a first surface and an outer shell formed of a first case body, and a through hole formed in the first case body to communicate an external space and an internal space in the first case body. A hole, a flexible printed circuit board having one end side inserted through the through-hole and disposed in the internal space, and a part of the flexible printed circuit board that is attached to the flexible printed circuit board at a predetermined distance, and a part thereof A closing member that is press-fitted into the through-hole portion from the external space side and closes the external space side in the through-hole portion, and is disposed at a predetermined position on the inner space side than the closing member in the through-hole portion. A packing member and all or a part of the packing member are disposed in the internal space, abutting or engaging with the closing member, and a part of the closing member press-fitted into the through hole. A stopper member for restricting the exit from the through hole portion, a portable electronic device equipped with.

  According to the present invention, by arranging a stopper member that restricts the closing member press-fitted from the external space side into the through hole formed in the housing from the through hole, on the internal space side of the housing, It is possible to provide a portable electronic device in which a stopper member can be arranged regardless of the structure or the arrangement of members outside the housing.

FIG. 3 is an external perspective view in a state where the mobile phone 1 is opened. FIG. 6 is an exploded perspective view for explaining members constituting the operation unit side body 2. FIG. 4 is an exploded perspective view for explaining members constituting the display unit side body 3. It is a perspective view explaining a waterproof structure. It is AA sectional drawing in FIG. It is an enlarged view of the area | region B in FIG. 3 is a perspective view illustrating a flexible printed circuit board 200. FIG. 5 is a perspective view illustrating a packing member 230. FIG. It is a perspective view explaining the stopper member 240. FIG. It is a figure explaining the procedure which forms a waterproof structure. It is a figure explaining the procedure which forms a waterproof structure. It is a figure explaining the procedure which forms a waterproof structure.

The best mode for carrying out the present invention will be described below with reference to the drawings.
With reference to FIG. 1, a basic structure of a mobile phone 1 as a mobile electronic device will be described. FIG. 1 shows an external perspective view of the cellular phone 1 in an opened state.

As shown in FIG. 1, the mobile phone 1 includes an operation unit side housing 2 (second housing) and a display unit side housing 3 (first housing). In addition, the mobile phone 1 includes a connecting unit 4 that connects the operation unit side body 2 and the display unit side body 3 so as to be openable and closable.
The mobile phone 1 is configured to be able to change (deform) between an open state and a closed state. Here, the closed state is a state in which the operation unit side body 2 and the display unit side body 3 are arranged so as to overlap each other, and in detail, predetermined surfaces of both the housings face each other. It is in the state arranged in. In the present embodiment, the operation unit side inner surface 2A (second surface) of the operation unit side body 2 and the display unit side inner surface 3A (first surface) of the display unit side body 3 are arranged to face each other. It is the state that was done. Further, the open state is a state in which the operation unit side body 2 and the display unit side body 3 are arranged so as not to overlap each other, and in detail, predetermined surfaces in both cases do not face each other. In a state of being spaced apart from each other. In the present embodiment, the operation unit side inner surface 2A (second surface) of the operation unit side body 2 and the display unit side inner surface 3A (first surface) of the display unit side body 3 are not opposed to each other and separated from each other. It is in a state of being arranged.

The operation unit side body 2 has an operation unit side inner surface 2A and an operation unit side outer surface 2B. 2 A of operation part side inner surfaces are surfaces arrange | positioned facing 3 A of display part side inner surfaces of the display part side housing | casing 3, when the mobile telephone 1 is a closed state.
The outer surface (outer surface) of the operation unit side body 2 includes a front case 2a, a rear case 2b, and a battery cover 2c.
In the operation unit side body 2, an operation key group 11, a voice input unit 12 for inputting a voice uttered by a user during a call, and a main power supply operation unit 19 are arranged so as to be exposed to the outside. In the present embodiment, the operation key group 11 (excluding the side key 16), the voice input unit 12, and the main power supply operation unit 19 are arranged side by side on the operation unit side inner surface 2A of the operation unit side body 2.

  The operation key group 11 includes a function setting operation key 13 for operating various functions such as various settings, a telephone book function, and a mail function, and an input operation key 14 for inputting a telephone number and characters such as mail. And a determination operation key 15 as an operation member for performing determinations in various operations, scrolling in the vertical and horizontal directions, and a side key 16. Each key constituting the operation key group 11 is assigned a predetermined function according to the open / close state of the mobile phone 1, various modes, the type of the activated application, and the like (key assignment). Then, when each key is pressed by the user, an operation corresponding to the function assigned to each key at the time of pressing is executed in the mobile phone 1.

  The voice input unit 12 is disposed on the outer end side opposite to the connection unit 4 side in the longitudinal direction of the operation unit side body 2. That is, the voice input unit 12 is arranged on one outer end side when the mobile phone 1 is in the open state.

  On one side surface of the operation unit side body 2, an interface (not shown) for communicating with an external device (for example, a host device) and an interface (not shown) for inserting and removing an external memory are provided. ) And are arranged. Each interface is covered with a cap when not in use. A side key 16 to which a predetermined function is assigned is disposed on the other side surface of the operation unit side body 2.

The display unit side body 3 has a display unit side inner surface 3A and a display unit side outer surface 3B. 3 A of display part side inner surfaces are surfaces arrange | positioned facing the operation part side inner surface 2A of the operation part side housing | casing 2 in the closed state of the mobile telephone 1. FIG.
The display unit side body 3 includes an outer surface (outer wall) including a front panel 3a, a front case 3b, and a rear case 3c.
In the display unit side body 3, a main display unit 21, a sub display unit 22, and a voice output unit 25 that outputs the voice of the other party of the call are arranged to be exposed to the outside.

  The main display unit 21 is disposed on the display unit side inner surface 3 </ b> A of the display unit side body 3. The main display unit 21 is configured to display various information such as character information and image information. The main display unit 21 is a display unit that is visually recognized by the user when the mobile phone 1 is in the open state.

  The sub display unit 22 is disposed on the display unit side outer surface 3B of the display unit side body 3. The sub display unit 22 is a display unit having a display area smaller than that of the main display unit 21. The sub display unit 22 is configured to display various information such as character information and image information. The sub display unit 22 is a display unit visually recognized by the user when the cellular phone 1 is closed.

  The audio output unit 25 is disposed on the display unit side inner surface 3 </ b> A of the display unit side body 3. The audio output unit 25 is disposed on the outer end side opposite to the connecting unit 4 side in the longitudinal direction of the display unit side body 32. That is, the audio output unit 25 is disposed on the other outer end side when the mobile phone 1 is in the open state.

The connecting part 4 is configured to have an open / close hinge mechanism. The connecting portion 4 is disposed between the upper end portion of the operation unit side body 2 and the lower end portion of the display unit side body 3. The connection part 4 connects the operation part side housing | casing 2 and the display part side housing | casing 3 so that rotation is mutually possible. In detail, the connection part 4 connects the operation part side housing | casing 2 and the display part side housing | casing 3 so that rotation is possible centering | focusing on the rotation axis Z in a hinge mechanism.
Here, in this embodiment, the rod-shaped attached member 300 is disposed on one side of the connecting portion 4 in the rotation axis Z direction (first direction). The attached member 300 is disposed so as to extend in the rotation axis Z direction.

  Next, basic members constituting the mobile phone 1 will be described with reference to FIGS. 2 and 3. FIG. 2 is an exploded perspective view for explaining members constituting the operation unit side body 2. FIG. 3 is an exploded perspective view for explaining members constituting the display unit side body 3.

  As shown in FIG. 2, the operation unit side body 2 includes a key structure unit 40, a front case 2 a (second case body), a key substrate 50, a case body 60, a circuit board 70, and an antenna unit 90. A waterproof packing 95, a rear case 2b (second case body), a battery 80, and a battery cover 2c.

  The outer surface (outer wall) of the operation unit side body 2 is arranged such that the front case 2a and the rear case 2b face each other so that the inner surfaces of the concave shapes face each other. It is formed by attaching a battery cover 2c to the case 2b.

  The key structure 40 is disposed on the outer surface side of the front case 2a. The key board 50, the case body 60, the circuit board 70, the antenna unit 90, the waterproof packing 95, and the battery 80 are located between the front case 2a and the rear case 2b (inside the operation unit side body 2). ) (Built-in).

The front case 2a is formed with an opening 14a and a mounting portion 14c formed on the outer edge of the opening 14a.
The key structure portion 40 is placed on the placement portion 14c.
The opening portion 14a is formed so that the key structure portion 40 placed on the placement portion 14c and the key substrate 50 can be stacked and arranged.

The key structure 40 is configured to include an operation member 40A and a key sheet 40C.
The operation member 40A is composed of a plurality of key operation members. Specifically, the operation member 40A includes a function setting operation key member 13b, an input operation key member 14b, and a determination operation key member 15b.
Each operation key member constituting the operation member 40A is bonded to a predetermined location on the key sheet 40C. The pressing surfaces of the operation key members bonded to the key sheet 40C are arranged so as to be exposed to the outside.

  The key sheet 40C is a flexible sheet-like member made of silicon rubber. A plurality of convex portions are formed on the key sheet 40C. The plurality of convex portions are formed on the surface of the key sheet 40C on the side where the key frame 40B is disposed. The plurality of convex portions are formed at positions corresponding to key switches 51, 52, and 53, which will be described later.

The key substrate 50 includes a plurality of key switches 51, 52, and 53 disposed on a first surface 50 a that is a surface on the key sheet 40 </ b> C side in the key structure portion 40.
Each of the plurality of key switches 51, 52, 53 is disposed at a position corresponding to each operation member 40A. The key switches 51, 52, 53 include a metal dome that is a three-dimensionally curved metal plate and a switch terminal (not shown). The metal dome is configured to be electrically connected to a switch terminal formed on an electric circuit (not shown) printed on the surface of the key substrate 50 when the apex of the bowl-shaped shape is pressed. Is done.

The case body 60 is a conductive member having a thin, substantially rectangular parallelepiped shape and a shape in which one wide surface is opened.
The case body 60 includes a flat plate portion 61 disposed to face the circuit board 70 and ribs 62 (wall portions) formed substantially perpendicular to the surface of the flat plate portion 61 on the circuit board 70 side. The rib 62 is formed to be equal to or sufficiently higher than the height of the tallest electronic component among the various electronic components mounted on the circuit board 70. The ribs 62 are formed on the periphery and inside of the flat plate portion 61 so as to correspond to the reference potential pattern layer 75 constituting the reference potential portion.
The case body 60 functions as a shield case. The case body 60 suppresses external high frequency noise from acting on various electronic components disposed on the circuit board 70 and emits (propagates) from an RF (Radio Frequency) circuit, a CPU circuit, a power supply circuit, and the like. This prevents the generated noise from acting on other electronic components and a receiving circuit connected to the antenna.
The case body 60 may be formed of a metal, a skeleton of which is formed of a resin, and a conductor film formed on the surface thereof.

The circuit board 70 includes a flat board portion 71, electronic components and various circuit blocks mounted on the first surface 70a side of the substrate portion 71, and a reference potential formed on the surface of the first surface 70a of the board portion 71. Pattern layer 75 (ground pattern layer).
Examples of the electrons mounted on the substrate unit 71 include an electronic component including a signal processing unit that processes a signal transmitted and received by the antenna unit 90. Examples of the circuit block include an RF (Radio Frequency) circuit and a power supply circuit.
The reference potential pattern layer 75 is formed at the outer edge of the substrate unit 71 and at locations that partition each circuit block. The reference potential pattern layer 75 is formed, for example, by printing a conductive member on the surface of the first surface 70a of the circuit board 70.

  The antenna unit 90 is configured by arranging an antenna element having a predetermined shape on a base. The antenna unit 90 is disposed on the end side opposite to the connecting unit 4 side in the mobile phone 1. The antenna element of the antenna unit 90 is formed of a strip-shaped sheet metal. The antenna unit 90 is supplied with power from the circuit board 70 via a power supply terminal (not shown). As a result, the antenna element is fed from the circuit board 70 via the feed terminal and is connected to the RF module and the like of the circuit board 70.

  The waterproof packing 95 is disposed between the outer edge of the front case 2a and the outer edge of the rear case 2b. The waterproof packing 95 is annular and has a shape corresponding to the outer edges of the front case 2a and the rear case 2b. The waterproof packing 95 is made of an elastic material such as silicon rubber.

The battery 80 is accommodated in the operation unit side body 2 via the battery opening 81 formed in the rear case 2b.
The battery cover 2c is disposed so as to cover the battery 80 from the outer surface side of the rear case 2b.

  In addition to the above-described members, the operation unit side body 2 houses and arranges members such as a microphone constituting the voice input unit 12.

As shown in FIG. 3, the display unit side body 3 includes a front panel 3a, a main display unit 21, a front case 3b (first case body), a display unit side substrate 86, a sub display unit 22, A rear case 3c.
Here, in the present embodiment, since the other end of the flexible printed circuit board 200 connected to the circuit board 70 disposed at one end inside the operation unit side body 2 is connected to the display unit side substrate 86, it will be described later. And inserted into the display unit side body 3 through the through-hole portion 250.

  The outer surface (outer wall) of the display unit side body 3 is formed by joining the front case 3b and the rear case 3c so that their outer peripheral edges overlap each other, and attaching the front panel 3a to the front case 3b. The

  The front panel 3a is a flat light transmissive member. The front panel 3a is a member that protects the main display unit 21 and transmits the image displayed on the main display unit 21 to the outside.

The main display unit 21 includes a liquid crystal panel, a drive circuit that drives the liquid crystal panel, and a light source unit such as a backlight that emits light from the back side of the liquid crystal panel.
The main display unit 21 is disposed on the front panel 3a side in the front case 3b.

The front case 3b is formed by resin insert molding a sheet metal member. The sheet metal member constituting the front case 3b improves the strength of the front case 3b and functions as a shield member.
Further, the front case 3b is formed with a through-hole portion 250 on the side surface on the connecting portion 4 side. The first part 201 on one end side of the flexible printed board 200 described above is inserted from the through-hole part 250 and disposed inside the display unit side body 3.
Further, the through-hole portion 250 is blocked by the first grommet 210 (blocking member) attached to the flexible printed board 200 so that water does not enter the internal space AR2 from the outside.
Here, the waterproof structure for closing the through hole 250 will be described in detail later.

The display unit side substrate 86 is a flat member, and is a member that is electrically connected to the main display unit 21, the sub display unit 22, and the like.
In the present embodiment, an opening 86 a is formed in the center of the display unit side substrate 86. The sub display unit 22 is (inserted) in the opening 86a.
In the present embodiment, the camera module 190 is mounted on the display unit side substrate 86.

The sub display unit 22 is stacked on the rear case 3c side of the front case 3b.
The sub display unit 22 includes a liquid crystal panel, a drive circuit that drives the liquid crystal panel, and a light source unit such as a backlight that emits light from the back side of the liquid crystal panel.
The sub display unit 22 is a display unit whose display area is smaller than the display area of the main display unit 21.
In the thickness direction of the display unit side body 3, the sub display unit 22 is arranged such that the display region faces away from the display region of the main display unit 21.

The rear case 3c accommodates the display unit side substrate 86 and the sub display unit 22 together with the front case 3b.
In addition to the members described above, members such as the voice input unit 12 are accommodated in the operation unit side body 2.

Next, the mounting state of the flexible printed circuit board 200 will be described with reference to FIGS.
FIG. 4 is a perspective view illustrating a waterproof structure. 5 is a cross-sectional view taken along the line AA in FIG. FIG. 6 is an enlarged view of region B in FIG. FIG. 7 is a perspective view illustrating the flexible printed circuit board 200. FIG. 8 is a perspective view illustrating the packing member 230. FIG. 9 is a perspective view illustrating the stopper member 240.

As shown in FIGS. 4 to 6, the flexible printed circuit board 200 is arranged with the central portion 203 wound around a rod-shaped attached member 300. And the 1st part 201 of the one end side in the flexible printed circuit board 200 is formed in the side surface by the side of the connection part 4 in the front case 3b (1st case body) which comprises the display part side housing | casing 3 (1st housing | casing). And is disposed in the internal space AR <b> 2 of the display unit side body 3.
The waterproof structure that prevents water from entering the internal space AR2 of the display unit side body 3 from the external space AR1 includes a first grommet 210 attached to the flexible printed circuit board 200, a packing member 230, and a stopper member 240. It is configured.

As shown in FIGS. 4 to 7, the flexible printed circuit board 200 includes a first portion 201 on one end side, a central portion 203, and a second portion 202 on the other end side.
The first part 201 is inserted into the through-hole part 250 and disposed in the internal space AR <b> 2 of the display unit side body 3. The first part 201 is electrically connected to a display unit side substrate 86 disposed inside the display unit side body 3.
The second part 202 is inserted into a through-hole portion (not shown) formed in the operation unit side body 2 and arranged in the internal space of the operation unit side body 2. The second part 202 is electrically connected to the circuit board 70 disposed inside the operation unit side body 2.
The central part 203 is wound around the rod-shaped attached member 300 and arranged. The central portion 203 is a slack portion necessary for the mobile phone 1 to be opened and closed.

A first grommet 210 and a second grommet 220 are attached to the flexible printed circuit board 200.
The first grommet 210 is attached to the flexible printed circuit board 200 at a position separated from the end of the first part 201 of the flexible printed circuit board 200 by a predetermined distance. Specifically, the first grommet 210 is attached between the first part 201 and the central part 203.

The 1st grommet 210 is a member comprised with an elastic material. The first grommet 210 is attached in close contact with the outer surface of the flexible printed circuit board 200 without a gap.
Part of the first grommet 210 is press-fitted into the through-hole portion 250 from the outer space AR1 side, and closes the outer space AR1 side in the through-hole portion 250.

The first grommet 210 has a collar portion 211, a closing portion 213, and an extending portion 215.
The collar portion 211 is disposed in the external space AR1. The flange portion 211 is a portion that restricts movement of the first grommet 210 toward the internal space AR2. The collar portion 211 is a portion that suppresses water from entering the through-hole portion 250 together with the blocking portion 213.

  The closing part 213 is press-fitted into the through hole part 250 to close the through hole part 250. The blocking part 213 has an outer diameter larger than the inner diameter of the through-hole part 250 in a natural state. The blocking part 213 is inserted into the through-hole part 250 while being deformed. The blocking portion 213 is in close contact with the inner surface of the through-hole portion 250 in a state having elasticity in the through-hole portion 250 to block a predetermined region on the external space AR1 side in the through-hole portion 250.

  The extension part 215 is formed so as to extend toward the internal space AR2 in the closing part 213, and the length of the through hole part 250 in the inner diameter direction is shorter than the length of the closing part 213 in the inner diameter direction. It is a part to be done.

A packing member 230, which will be described later, is inserted into the extending portion 215. That is, the packing member 230 is disposed on the outer periphery of the extending portion 215.
A guide portion 215 b that guides the movement of the packing member 230 is formed in the extending portion 215. The guide portion 215b is formed on the facing surface that faces the inner surface of the through-hole portion 250 in the extending portion 215. The guide portion 215b is an inclined surface formed on the facing surface so that the distance from the inner surface of the through-hole portion 250 is wide on the inner space AR2 side and narrower on the outer space AR1 side. By the guide portion 215b, the packing member 230 is smoothly inserted into the through-hole portion 250, and is elastically deformed at a predetermined position to close the through-hole portion 250.

  Further, an engaging claw portion 215a is formed at an end portion of the extending portion 215 on the inner space AR2 side. The engaging claw portion 215a engages with an engaged claw portion 245 formed on a stopper member 240 described later. Thereby, the 1st grommet 210 and the stopper member 240 engage, and it is suppressed that the 1st grommet 210 slips out from the through-hole part 250 to the external space AR1 side.

The second grommet 220 is attached between the second part 202 and the central part 203.
The structure of the second grommet 220 is the same as the structure of the first grommet 210.

  As shown in FIGS. 5, 6, and 8, the packing member 230 is an annular elastic member and is disposed in the through hole portion 250. The packing member 230 is disposed in an elastically deformed state on the outer periphery of the extending portion 215 of the first grommet 210. The packing member 230 is disposed in a state where the through hole 250 is closed at a predetermined position.

  The packing member 230 is inserted into the through-hole portion 250 from the inner space AR2 side. Specifically, the packing member 230 is inserted into the first portion 201 from the end portion of the first portion 201 of the flexible printed circuit board 200 and moved along the first portion 201, so that the packing member 230 moves in the through-hole portion 250. It is inserted into the inner opening 255 on the inner space AR2 side. The packing member 230 is moved so that a stopper member 240 described later inserts a part (insertion part 243) of the stopper member 240 into the through-hole part 250, whereby the part (insertion part 243) of the part is inserted. The distal end portion 247 inserts (moves) the through hole 250 from the internal space AR2 side to the external space AR1 side. Here, when a movement restricting portion 244 (abutment surface 246) in the stopper member 240 described later is brought into contact with a wall portion 290 in the vicinity of the through-hole portion 250 on the inner side surface of the front case 3b, the packing member 230 has a tip portion. 247 is positioned at a predetermined position (desired position).

  As shown in FIGS. 4 to 6 and 9, the stopper member 240 is partially disposed in the internal space AR <b> 2 and partially inserted and disposed in the through-hole portion 250. The stopper member 240 is a member that engages with the first grommet 210 and restricts the first grommet 210 from coming out of the through hole portion 250.

  The stopper member 240 has a substantially annular shape, and includes a slit portion 242 formed so that the flexible printed board can be inserted from the outside to the inside of the annular shape. The stopper member 240 is arranged in the vicinity of the inner opening 255 in the through-hole portion 250 so that the flexible printed circuit board 200 (first portion 201) is inserted through the slit portion 242. Since the stopper member 240 has the slit portion 242, it can be easily disposed in the vicinity of the inner opening 255 in the through-hole portion 250 regardless of the shape of the flexible printed circuit board 200.

The stopper member 240 has a movement restricting portion 244, an insertion portion 243, and an engaged claw portion 245.
The movement restricting unit 244 is disposed in the internal space AR2. The movement restricting portion 244 has a contact surface 246. The movement restricting portion 244 (abutment surface 246) abuts against the wall portion 290 in the vicinity of the through hole 250 on the inner surface of the front case 3b to restrict the movement of the stopper member 240 toward the external space AR1 and the stopper. The member 240 is positioned.

The insertion portion 243 is a portion that is inserted into the through-hole portion 250. In the present embodiment, the insertion portion 243 is press-fitted into the through-hole portion 250 and closes a predetermined region on the inner space AR2 side in the through-hole portion 250.
Further, as described above, the insertion portion 243 moves the packing member 230 from the inner space AR2 side of the through-hole portion 250 to the outer space AR1 side and positions it at a predetermined position. Specifically, the stopper member 240 is disposed at a predetermined position by being moved so that the insertion portion 243 is inserted into the through-hole portion 250 from the inner space AR2 side toward the outer space AR1 side. When the stopper member 240 is moved to a predetermined position, the distal end portion 247 of the insertion portion 243 inserts (moves) the packing member 230 from the inner space AR2 side to the outer space AR1 side in the through hole portion 250. When the movement restricting portion 244 (contact surface 246) of the stopper member 240 is in contact with the wall portion 290, the distal end portion 247 of the insertion portion 243 positions the packing member 230 at a predetermined position.

The engaged claw portion 245 is formed on the extended portion 215 side of the stopper member 240. The engaged claw portion 245 is engaged with an engaging claw portion 215 a formed on the extending portion 215.
When the engaged claw portion 245 is engaged with the engaging claw portion 215 a, the stopper member 240 restricts the first grommet 210 from coming off from the through hole portion 250.
In addition, the engaged claw portion 245 is engaged with the engaging claw portion 215a, so that the stopper member 240 is positioned at a predetermined (desired) position.

The through-hole portion 250 is a through-hole portion that is formed on the side surface of the front case 3b on the connection portion 4 side and communicates the external space AR1 and the internal space AR2. The through-hole portion 250 is a through-hole portion for inserting the first portion 201 in the flexible printed circuit board 200 from the external space AR1 into the internal space AR2.
The through-hole portion 250 is closed on the outer space AR1 side by a first grommet 210 (blocking portion 213) attached to the flexible printed circuit board 200.
Moreover, the through-hole part 250 is obstruct | occluded by the packing member 230 inserted from the internal space AR2 side.
Further, the through-hole portion 250 is closed on the inner space AR2 side by a part (insertion portion 243) of the stopper member 240 disposed on the inner space AR2 side.

The through-hole portion 250 is formed to face the rod-shaped attached member 300. In other words, the rod-shaped attached member 300 is disposed to face the outer opening 253 on the outer space AR1 side in the through-hole portion 250. Since the rod-shaped attached member 300 is disposed to face the outer opening 253 in the through-hole portion 250, when the front case 3b is molded by a mold or the like, the outer opening 253 in the through-hole portion 250 is formed. It is difficult to form a C surface or an R surface on the outer edge.
Here, in the present embodiment, a flat or curved inclined surface 259 is formed in the vicinity of the inner opening 255 so that the inner diameter increases toward the opening side on the inner space AR2 side in the through-hole portion 250. That is, an inclined surface (C surface, R surface) is formed on the side of the inner opening 255 into which the packing member 230 that is easily damaged due to contact with the corner during insertion is inserted.

Next, a procedure for forming a waterproof structure will be described with reference to FIGS. 10A to 10C. 10A to 10C are diagrams illustrating a procedure for forming a waterproof structure.
First, the operator attaches the central portion 203 of the flexible printed board 200 so as to be wound around the rod-shaped attached member 300.
Next, the operator inserts the first portion 201 in the flexible printed circuit board 200 into the through-hole portion 250 from the outer opening 253. Accordingly, the first part 201 in the flexible printed circuit board 200 is disposed in the internal space AR2 of the display unit side body 3.
In addition, the operator inserts (press-fits) the first grommet 210 into the through-hole portion 250 from the outer opening 253. Thereby, the external space AR1 side in the through-hole portion 250 is closed by the first grommet 210 (blocking portion 213).

  Subsequently, as shown in FIG. 10A, the operator inserts the packing member 230 into the end portion of the first portion 201 on the inner space AR2 side, and moves the packing member 230 along the first portion 201 to pass through the hole. The portion 250 is disposed near the inner opening 255. Then, the operator moves the packing member 230 in the direction of the arrow F1 and inserts (press-fits) it into the through-hole portion 250 from the inner opening 255. Here, since the inclined surface 259 is formed continuously to the outer edge of the inner opening 255 on the inner space AR2 side in the through-hole portion 250, damage to the inserted packing member 230 is suppressed.

Subsequently, as shown in FIG. 10B, the operator moves the stopper member 240 in the direction of arrow F <b> 2 and arranges it near the inner opening 255 of the through-hole portion 250.
Subsequently, as shown in FIG. 10C, the operator moves the stopper member 240 in the direction of the arrow F <b> 3 until the movement restricting portion 244 (contact surface 246) contacts the wall portion 290.
Thereby, the packing member 230 is moved to the external space AR1 side of the through-hole portion 250 by the tip end portion 247 of the stopper member 240. Here, the movement of the packing member 230 is guided by the guide portion 215b formed in the extending portion 215 of the first grommet 210, and is smoothly arranged at a predetermined position. The packing member 230 closes the through hole 250 at a predetermined position.
Further, the insertion portion 243 in the stopper member 240 is inserted into the through hole portion 250. And the insertion part 243 obstruct | occludes the internal space AR2 side of the through-hole part 250. FIG.
Further, the engaged claw portion 245 formed on the stopper member 240 and the engagement claw portion 215a formed on the first grommet 210 are engaged with each other. Thereby, the stopper member 240 is positioned at a predetermined position, and restricts the first grommet 210 from coming out of the through hole portion 250.

  According to the present embodiment, the stopper member 240 is disposed on the opposite side of the through-hole portion 250 from the side from which the first grommet 210 is removed, so that the first grommet 210 is suitably prevented from coming off.

  Further, according to the present embodiment, the stopper member 240 is moved in the insertion direction into the through-hole portion 250, so that the packing member 230 is inserted into the through-hole portion 250 in the through-hole portion 250 by the distal end portion 247 of the insertion portion 243. Is inserted (moved) to the external space AR1 side. Thereby, the waterproof structure in the mobile phone 1 is easy to assemble.

  Further, according to the present embodiment, when the movement restricting portion 244 (contact surface 246) of the stopper member 240 is in contact with the wall portion 290, the packing member 230 is positioned at a predetermined position by the tip end portion 247. Thereby, the waterproof structure in the mobile phone 1 is easy to assemble.

  Further, according to the present embodiment, the stopper member 240 includes the slit portion 242 formed so that the flexible printed circuit board 200 can be inserted from the outer side to the inner side in the annular shape. Thereby, the stopper member 240 can be attached to the through-hole portion 250 regardless of the shape of the flexible printed circuit board 200.

  Further, according to the present embodiment, the insertion portion 243 in the stopper member 240 is press-fitted into the through-hole portion 250 and closes the inner space AR2 side in the through-hole portion 250. Thereby, the waterproof property in the mobile phone 1 is improved.

  Further, according to the present embodiment, the inner space AR2 side of the through-hole portion 250 is formed with a flat or curved inclined surface 259 in the vicinity of the inner opening 255 so that the inner diameter increases toward the inner opening 255 side. The Thereby, it is suppressed that the packing member 230 inserted in the through-hole part 250 from the inner opening 255 side is damaged. Moreover, according to this, the restriction | limiting in arrangement | positioning etc. of the member in the area | region near the outer opening 253 in the connection part 4 is lose | eliminated, and the freedom degree of design in the connection part 4 grade | etc., Improves.

  As mentioned above, although preferred embodiment was described, this invention can be implemented with a various form, without being limited to embodiment mentioned above. For example, in the present embodiment, the mobile phone 1 is described as a mobile electronic device. However, the mobile phone 1 is not limited to this, and the mobile electronic device may be a PHS (registered trademark), a personal handy phone system (PDA), a personal digital assistant (PDA), It may be a portable navigation device, a notebook computer, or the like.

  Further, in the present embodiment, the mobile phone 1 that can be folded by the connecting portion 4 is described. However, it is not such a foldable type, and the operation unit side body 2 and the display unit side body 3 are overlapped. One of the cases is slid in one direction from the closed state, and one case is rotated around an axis along the overlapping direction of the operation unit side case 2 and the display unit side case 3 A rotation (turn) type, or a type (straight type) in which the operation unit side body 2 and the display unit side body 3 are arranged in one housing and do not have a connecting portion may be used. The mobile phone 1 may be a so-called biaxial hinge type that can be opened and closed and rotated.

  For example, a portable electronic device includes a first housing having a first surface and an outer shell formed of a first case body, and formed in the first case body, and an external space and an internal space in the first case body Are attached to the flexible printed circuit board at a position spaced from the one end of the flexible printed circuit board by a predetermined distance. A blocking member that is partially press-fitted into the through-hole portion from the external space side and closes the external space side in the through-hole portion, and a predetermined position on the internal space side than the closing member in the through-hole portion All or a part of the packing member disposed in the inner space is disposed in the inner space, abuts or engages with the closing member, and a part is pressed against the through-hole portion. A stopper member occlusive member is restricted from passing from the through hole, it may be provided with a.

In the present embodiment, a part (insertion portion 243) of the stopper member 240 is inserted into the through-hole portion 250. However, the present invention is not limited to this, and the stopper member 240 is entirely disposed on the inner space AR2 side. It may be configured to.
Moreover, in this embodiment, although the stopper member 240 is engaged with the 1st grommet 210, it is not limited to this, The stopper member 240 may be comprised only to contact | abut to a 1st grommet.

1 mobile phone 2 operation unit side case (second case)
2A Operation unit side inner surface (second surface)
3 Display unit side housing (first housing)
3A Display unit side inner surface (first surface)
3b Front case (first case body)
4 connecting part 200 flexible printed circuit board 201 first part 203 central part 210 first grommet (closing member)
213 Blocking portion 215 Extension portion 230 Packing member 240 Stopper member 242 Slit portion 243 Insertion portion 244 Movement restriction portion 246 Contact surface 250 Through-hole portion 253 Outer opening 255 Inner opening 259 Inclined surface 300 Mounted member AR1 External space AR2 Internal space Z rotation axis

Claims (8)

A first housing having a first surface and having an outer case formed of a first case body;
A second housing having a second surface and having an outer case formed of a second case body;
A connecting portion for connecting the first housing and the second housing, wherein the first surface and the second surface are disposed to face each other; and the first surface and the second surface A connecting portion that rotatably connects the first housing and the second housing around a rotation shaft extending in a first direction so that the first housing and the second housing can be deformed into an open state in which the surface is spaced apart;
A rod-like attached member that is arranged on one side of the first direction in the connecting portion and arranged to extend in the first direction;
A through-hole portion formed in the first case body for communicating an external space and an internal space in the first case body;
A flexible printed circuit board that is wound around the attached member and disposed at one end side of the through hole and disposed in the internal space;
The flexible printed circuit board is attached to the flexible printed circuit board at a predetermined distance from one end of the flexible printed circuit board, and a part of the flexible printed circuit board is press-fitted into the through hole portion from the external space side to close the external space side of the through hole portion. An occluding member;
A packing member disposed at a predetermined position on the inner space side than the closing member in the through-hole portion;
A stopper member that is disposed in the interior space in part or in contact with or engages with the closing member and restricts the closing member partially pressed into the through hole from being removed from the through hole. And a portable electronic device. The blocking member is
A collar portion disposed in the external space;
A closing part that is press-fitted into the through-hole part to close the through-hole part;
An extension portion formed to extend to the inner space side of the closed portion, and to have a length in the inner diameter direction of the through hole portion shorter than a length in the inner diameter direction of the closed portion. And comprising
The stopper member is
A movement restricting portion disposed in the internal space;
The portable electronic device according to claim 1, further comprising: an insertion portion that is inserted into the through-hole portion. The stopper member is
The insertion part is arranged at a predetermined position by being moved from the inner space side toward the outer space side so as to be inserted into the through hole part,
The packing member is
The portable electronic device according to claim 2, wherein the stopper member is moved (inserted) from the inner space side to the outer space side in the through-hole portion by the distal end portion of the insertion portion. When the movement restricting portion of the stopper member is in contact with the vicinity of the through hole portion on the inner side surface of the first case body,
The portable electronic device according to claim 3, wherein the packing member is positioned at a predetermined position by the tip portion of the insertion portion. The stopper member is
5. The portable electronic device according to claim 2, wherein the portable electronic device has a substantially annular shape and includes a slit portion formed so that the flexible printed circuit board can be inserted from the outside to the inside of the annular shape. The insertion portion of the stopper member is
The portable electronic device according to claim 2, wherein the portable electronic device is press-fitted into the through-hole portion and closes the inner space side in the through-hole portion. The rod-shaped attached member is disposed to face the opening on the external space side in the through hole portion,
The portable electronic device according to any one of claims 1 to 6, wherein a flat or curved inclined surface is formed in the vicinity of the opening so that the inner space side of the through hole portion increases toward the opening side. machine. A first housing having a first surface and having an outer case formed of a first case body;
A through-hole portion formed in the first case body for communicating an external space and an internal space in the first case body;
A flexible printed circuit board having one end side inserted through the through-hole and disposed in the internal space;
The flexible printed circuit board is attached to the flexible printed circuit board at a predetermined distance from one end of the flexible printed circuit board, and a part of the flexible printed circuit board is press-fitted into the through hole portion from the external space side to close the external space side of the through hole portion. An occluding member;
A packing member disposed at a predetermined position on the inner space side than the closing member in the through-hole portion;
A stopper member that is disposed in the interior space in part or in contact with or engages with the closing member and restricts the closing member partially pressed into the through hole from being removed from the through hole. And a portable electronic device.

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