JP2013058918A - Portable electronic apparatus and air pressure adjustment member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable telephone which inhibits the deterioration of the design flexibility even when an air pressure adjustment sheet, having a large area, is used.SOLUTION: A portable telephone 1 includes: a first internal case 2a having an internal space IS; an external case 2b; and an inner side air pressure adjustment member 130 which is disposed between the first internal case 2 and the external case 2b, the inner side air pressure adjustment member 130 which has an air pressure adjustment sheet 132, having a first waterproof part 231 having waterproofness and air permeability and a second hole part 203 having air permeability, and also has an air pressure adjustment sheet 136 disposed so as to be laminated on the air pressure adjustment sheet 132 through a predetermined member, the air pressure adjustment sheet 136 has a ninth hole part 217 having air permeability and allowing a gas permeating into the first waterproof part 231 to permeate and a second waterproof part 233 having waterproofness and air permeability and allowing a gas permeating into the second hole part 203 to permeate.

Description

  The present invention relates to a portable electronic device such as a cellular phone. The present invention also relates to an atmospheric pressure adjusting member used for portable electronic devices and the like.

In recent years, there is a mobile phone as a portable electronic device having a waterproof function. Specifically, there is a mobile phone that can prevent water from entering an internal space formed inside the case member.
Here, in a mobile phone having a waterproof function, the internal pressure in the internal space may suddenly increase due to deformation of the case member caused by a pressing operation from the user to the operation unit.
In this case, for example, a so-called chatter (billing noise) may occur in a receiver member (speaker member) or the like housed and disposed inside the case member.

On the other hand, there is a mobile phone provided with an atmospheric pressure adjusting unit in order to suppress a rapid change in internal pressure in the internal space.
For example, there has been proposed a mobile phone including a vent hole formed in an inner case member and a waterproof pressure adjusting sheet disposed so as to cover the vent hole (see, for example, Patent Document 1).

JP 2010-278616 A

Since the air flow rate in the atmospheric pressure adjusting member depends on the area of the atmospheric pressure adjusting sheet, it is preferable to use an atmospheric pressure adjusting sheet having a large area in order to cope with a sudden change in internal pressure.
Even when a pressure adjusting sheet having a large area is used, it is desirable not to reduce the degree of freedom of design in the mobile phone as much as possible.

  An object of the present invention is to provide a mobile phone that suppresses a decrease in the degree of freedom in design even when a pressure adjusting sheet having a large area is used.

  The present invention includes an inner case member having an inner space, a first through hole formed in the inner case member and communicating the inner space and the outer space of the inner case member, and disposed outside the inner case member. An outer case member, a second through hole that communicates one side and the other side of the outer case member, and a first through hole between the inner case member and the outer case member. And an air pressure adjusting member disposed on the other surface so as to oppose the second through hole, the air pressure adjusting member having a first hole, and the first hole being the first hole. An annular first adhesive sheet member disposed opposite to the first through hole and disposed so as to surround the first through hole, and laminated to cover the first hole portion on the first adhesive sheet member. A first atmospheric pressure adjustment sheet having waterproofness and air permeability. A second hole portion disposed opposite to a predetermined region of the first hole portion, and a first waterproof portion disposed opposite to another region of the first hole portion and having a larger area than the second hole portion. A first air pressure adjusting sheet having a first air pressure adjusting sheet, a third hole portion disposed on the first air pressure adjusting sheet and disposed opposite to the second hole portion, and disposed opposite to the first waterproof portion. A fourth hole portion, a first intermediate sheet having a fourth hole portion, a fifth hole portion stacked on the first intermediate sheet, and disposed opposite to the third hole portion, and the fourth hole portion. A sixth hole portion disposed opposite to the second intermediate sheet; a seventh hole portion disposed in a stacked manner on the second intermediate sheet and disposed opposite to the fifth hole portion; A third intermediate sheet having an eighth hole portion opposed to the hole portion, and waterproofness and ventilation arranged in the third intermediate sheet. A second air pressure adjusting sheet having a second waterproof portion disposed to face the seventh hole portion, and a ninth hole portion disposed to face the eighth hole portion. The present invention relates to a portable electronic device having a 2 atm adjustment sheet.

  Further, in the portable electronic device, the air pressure adjusting member is an annular second adhesive sheet member that is laminated on the second air pressure adjusting sheet and has a 10th hole portion, and the 10th hole portion is the 9th hole. And an annular second adhesive sheet member disposed to face the second waterproof portion and to face the second through hole.

  Further, in the portable electronic device, the air pressure adjusting member communicates the internal space in the internal case member and the external space on the opposite side to the internal case member side in the external case member via a first waterproof part. A first air passage, and a second air passage that is different from the first air passage and communicates the internal space and the external space via the second waterproof portion, and The 1 air passage includes the first hole, the first waterproof part, the fourth hole, the sixth hole, the eighth hole, and the ninth hole, The second air passage includes the first hole, the second hole, the third hole, the fifth hole, the seventh hole, and the second waterproof part. Is preferred.

  The portable electronic device includes a speaker unit disposed in the internal space, and an operation unit disposed outside the internal case member and on one end side in a longitudinal direction of the internal case member. The two through holes are preferably formed on the other end side in the longitudinal direction.

  In the portable electronic device, each of the first atmospheric pressure adjustment sheet and the second atmospheric pressure adjustment sheet has a shape that is long in a predetermined direction and substantially the same shape, and is formed on the first atmospheric pressure adjustment sheet. The two hole portions are formed on one end side in the predetermined direction (longitudinal direction), and the ninth hole portion formed in the second atmospheric pressure adjustment sheet is formed on the other end side in the predetermined direction (longitudinal direction). It is preferable.

  In the portable electronic device, it is preferable that the second intermediate sheet is made of a non-breathable material.

  The present invention also provides an internal case member having an internal space therein, a first through hole formed in the internal case member and communicating the internal space and the external space of the internal case member, and the internal case member An air pressure adjusting member used in a portable electronic device having an outer case member disposed on the outer side of the outer case member, and a second through hole that communicates one surface side and the other surface side of the outer case member, Between the member and the outer case member, an annular first adhesive sheet having one surface facing the first through hole and the other surface facing the second through hole and having a first hole portion An annular first adhesive sheet member disposed so as to surround the first through hole, and the first adhesive sheet member, wherein the first hole portion is disposed to face the first through hole. Layered to cover the first hole A first air pressure adjusting sheet having waterproofness and air permeability, wherein the second hole portion is disposed to face a predetermined region of the first hole portion, and is opposed to another region of the first hole portion. A first water pressure adjusting sheet having a larger area than the second hole portion, and a first air pressure adjusting sheet that is stacked on the first air pressure adjusting sheet and disposed opposite to the second hole portion. A first intermediate sheet having a third hole portion, a fourth hole portion disposed opposite to the first waterproof portion and having a larger area than the third hole portion, and laminated on the first intermediate sheet A second hole disposed opposite to the third hole, and a sixth hole disposed opposite to the fourth hole and having a smaller area than the fourth hole. An intermediate sheet and the second intermediate sheet are laminated and disposed so as to face the fifth hole, and are more faced than the fifth hole. A third intermediate sheet having a large seventh hole portion and an eighth hole portion disposed to face the sixth hole portion, and waterproofness and air permeability laminated on the third intermediate sheet. A second air pressure adjusting sheet having a second waterproof portion disposed opposite to the seventh hole portion and a ninth hole portion disposed opposite to the eighth hole portion. And an atmospheric pressure adjusting member.

  The present invention also provides an internal case member having an internal space therein, a first through hole formed in the internal case member and communicating the internal space and the external space of the internal case member, and the internal case member An outer case member disposed on the outer side of the outer case member, a second through-hole communicating with one surface side and the other surface side of the outer case member, and one surface between the inner case member and the outer case member. An air pressure adjusting member that faces the first through-hole and has the other surface opposed to the second through-hole, and the air pressure adjusting member does not allow water to permeate and allows gas to flow. The first sheet-side waterproof portion that constitutes the path, and does not allow permeation of water but allows gas to pass therethrough, constitutes a second vent path that is different from the first vent path, and has a smaller area than the first sheet-side waterproof section. A first seat side hole, and waterproof and breathable The first air pressure adjusting sheet, the second sheet side hole that constitutes the first air passage, and the second sheet side waterproof portion that constitutes the second air passage and has a larger area than the second sheet side hole. And a second atmospheric pressure adjustment sheet having waterproofness and air permeability that is laminated on the first atmospheric pressure adjustment sheet via a predetermined member.

  The present invention also provides an internal case member having an internal space therein, a first through hole formed in the internal case member and communicating the internal space and the external space of the internal case member, and the internal case member An outer case member disposed on the outer side of the outer case member, a second through-hole communicating with one surface side and the other surface side of the outer case member, and one surface between the inner case member and the outer case member. An air pressure adjusting member disposed opposite to the first through hole and having the other surface opposed to the second through hole. The air pressure adjusting member includes a first air pressure adjusting sheet and a second air pressure adjusting sheet. The first atmospheric pressure adjustment sheet includes a first sheet side waterproof part having waterproofness and air permeability, and a first sheet side hole having air permeability, and the second atmospheric pressure adjustment sheet. The sheet is laminated on the first atmospheric pressure adjustment sheet. A second sheet side hole having air permeability and allowing the gas vented through the first sheet side waterproof part to be vented; and a second sheet side hole having waterproof and air permeability and allowing the gas vented through the first sheet side hole to be vented. It is related with the portable electronic device which has a 2nd atmospheric pressure adjustment sheet | seat which has a 2 sheet | seat side waterproof part.

  ADVANTAGE OF THE INVENTION According to this invention, even if it is a case where an atmospheric pressure adjustment sheet | seat with a large area is used, the mobile telephone which suppresses the fall of a design freedom can be provided.

2 is a front view of the mobile phone 1. FIG. 2 is a back view of the mobile phone 1. FIG. 2 is a side view of the mobile phone 1. FIG. 2 is a perspective view of the back side of the mobile phone 1. FIG. FIG. 5 is a development view of the mobile phone 1 of FIG. 4. It is AA sectional drawing in FIG. It is BB sectional drawing in FIG. It is CC sectional drawing in FIG. It is an expanded view in CC sectional drawing of FIG. FIG. 6 is a development view of the inner pressure adjustment member 130. FIG. 6 is a schematic diagram for explaining the operation of the inner air pressure adjusting member. It is a schematic diagram for demonstrating the structure and effect | action in the inner side atmospheric pressure adjustment member 500 as other embodiment.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
The basic structure of the mobile phone 1 (mobile electronic device) will be described with reference to FIGS.
FIG. 1 is a front view of the mobile phone 1. FIG. 2 is a back view of the mobile phone 1. FIG. 3 is a side view of the mobile phone 1. FIG. 4 is a perspective view of the back side of the mobile phone 1. FIG. 5 is a development view of the mobile phone 1 of FIG. 6 is a cross-sectional view taken along line AA in FIG. 7 is a cross-sectional view taken along the line BB in FIG. 8 is a cross-sectional view taken along the line CC in FIG. The mobile phone 1 in this embodiment is a mobile phone having a waterproof function.

As shown in FIGS. 1 to 4, the mobile phone 1 has a housing 2.
The housing 2 has a front surface 2A and a back surface 2B. In the present embodiment, the surface 2A is a surface that faces the user and receives a pressing operation from the user. The back surface 2B is a surface that is disposed (placed) facing the user's finger or palm.
The outer casing of the housing 2 includes an outer case 2b, a battery cover 2c, a second inner case 2d, and a front panel 2e. In addition, a first inner case 2 a having an inner space IS is disposed inside the housing 2.

On the surface 2 </ b> A side of the housing 2, the operation key group 11, the first slide key 12, the display unit 21, the sound output unit 25 (receiver hole 25 a), and the surface side air pressure adjustment unit 110 (outer vent hole). 111).
Further, on the back surface 2B side of the housing 2, a back surface side air pressure adjusting unit 120 (outer vent hole 121) is disposed.
Further, an interface 17 (IF cover 17a), a side key 16, and a second slide key 19 are arranged on the side surface in the longitudinal direction of the housing 2.
A sound input unit 24 (microphone hole 24a) is disposed on the side surface of the housing 2 in the short direction.

The operation key group 11 is disposed on one end side in the longitudinal direction of the inner case (the first inner case 2a and the second inner case 2d).
The operation key group 11 includes a first operation key 11a, a second operation key 11b, and a third operation key 11c arranged on the outside of the second inner case 2d.
A predetermined function is assigned to each of the first operation key 11a, the second operation key 11b, and the third operation key 11c. When any one of the first operation key 11a, the second operation key 11b, and the third operation key 11c is selected (pressed), the function assigned to the selected function is executed (a corresponding application is activated).
For the first operation key 11a, the second operation key 11b, and the third operation key 11c, for example, a function corresponding to a function display such as an icon displayed in the vicinity of each operation key is assigned to the display unit 21. .

The first slide key 12 is formed on one end side in the longitudinal direction of the mobile phone 1. The first slide key 12 is configured to be slidable in the width direction of the housing 2 along the surface 2A.
The first slide key 12 is assigned an operating condition for a predetermined function or an activated function according to the position.
For example, the operating condition may be assigned to the first slide key 12 so as to switch the ringing tone or the volume of the sound output from the receiver 25b depending on the position, and other functions are activated (switched) depending on the position. ) May be assigned.

The display unit 21 is configured to be able to display various information such as character information and image information.
The display unit 21 is configured to be able to display character information and image information corresponding to a predetermined function.

The sound output unit 25 is disposed on one end side of the casing 2 in the longitudinal direction of the casing 2. The sound output unit 25 is arranged on the end side opposite to the sound input unit 24 described later in the longitudinal direction.
The sound output unit 25 includes a receiver hole 25a formed on the surface 2A and a receiver 25b (speaker) accommodated in the first inner case 2a and the second inner case 2d.
The receiver hole 25a is a through hole formed in the second inner case 2d and the front panel 2e.
The receiver 25b is accommodated in an internal space IS formed by the first inner case 2a and the second inner case 2d (see FIG. 6). The receiver 25b has a vibration member. Here, when the internal pressure of the internal space IS changes, a rattling noise may occur in the receiver 25b.

The surface side air pressure adjusting unit 110 is an air pressure adjusting unit formed on the surface 2A side. The front-side air pressure adjusting unit 110 adjusts the air pressure in the internal space IS and the external space OS to be the same as the back-side air pressure adjusting unit 120 described later.
The surface-side air pressure adjusting unit 110 includes an air pressure adjusting member 113.
The air pressure adjusting member 113 is configured to have one air pressure adjusting sheet (not shown).
The air pressure adjusting sheet used for the air pressure adjusting member 113 is a sheet having a waterproof function and air permeability.

The back surface side air pressure adjusting unit 120 is a pressure adjusting unit formed on the back surface 2B side. The back side air pressure adjusting unit 120 adjusts the air pressures of the internal space IS and the external space OS to be the same as the above-described front side air pressure adjusting unit 110.
The back side air pressure adjusting unit 120 includes an inner air pressure adjusting member 130.
The inner air pressure adjusting member 130 includes two air pressure adjusting sheets 132 and 136 (see FIGS. 10 and 11).
The air pressure adjusting sheet used for the inner air pressure adjusting member 130 is a sheet having a waterproof function and air permeability.
The back side air pressure adjusting unit 120 and the inner air pressure adjusting member 130 will be described in detail later.

The interface 17 is covered with an IF cover 17a when not in use.
A predetermined function is assigned to the side key 16. When the side key 16 is selected (pressed), the function assigned to the selected function is executed (a corresponding application is activated). In the present embodiment, for example, a key lock function is assigned to the side key 16.

The second slide key 19 is configured to be slidable in the longitudinal direction of the housing 2 along the side surface.
The second slide key 19 is assigned an operating condition for a predetermined function or an activated function according to the position.
For example, the operating condition of the second slide key 19 may be assigned to turn on / off the power according to the position.

The sound input unit 24 is disposed on a side surface of the housing 2 that extends in the short direction. The sound input unit 24 is disposed on the end side opposite to the sound output unit 25 described later in the longitudinal direction.
The sound input unit 24 includes a microphone hole 24a formed on a side surface, and a microphone 24b accommodated in the first inner case 2a and the second inner case 2d.
The microphone hole 24a is a through hole formed in the second inner case 2d.
The microphone 24b is accommodated in the internal space IS formed by the first inner case 2a and the second inner case 2d (see FIG. 6).

Next, the internal structure of the mobile phone 1 will be described with reference to FIGS.
As shown in FIG. 5, as described above, the housing 2 includes a first inner case 2a (inner case member), an outer case 2b (outer case member), a battery cover 2c, and a second inner case 2d. And a front panel 2e.

The first inner case 2 a is a case member disposed on the inner side of the housing 2. The first inner case 2a forms an inner space IS together with the second inner case 2d.
The first inner case 2a has a battery accommodating portion 81 formed on the outer side (external space OS side). A battery is accommodated in the battery accommodating portion 81. The battery accommodating part 81 is sealed by the battery cover 2c in a state where the battery is accommodated.
The first inner case 2a is formed with an inner vent 125 which will be described later. The inner ventilation hole 125 allows the internal space IS and the external space OS to communicate with each other. Specifically, the inner vent hole 125 communicates the internal space IS and the external space MSA (see FIGS. 8 and 9).

The outer case 2b is disposed outside the first inner case 2a (external space OS side). The outer case 2b is stacked on the outside of the first inner case 2a.
The outer case 2b has an opening 190. The opening 190 is an opening for attaching and detaching the battery, and is formed corresponding to the battery accommodating portion 81 described above. The opening 190 is a portion covered with the battery cover 2c.
The outer case 2b is formed with an outer vent 121 described later. The outer vent hole 121 is formed on the other end side opposite to the operation key group 11 side in the longitudinal direction of the inner case. The outer vent 121 communicates one side and the other side of the outer case 2b. The outer vent 121 communicates the internal space IS and the external space OS. Specifically, the outer vent 121 communicates the external space MSB and the external space OS (see FIGS. 8 and 9).

  As described above, the battery cover 2 c is a member that covers the opening 190 and seals the battery housing portion 81.

The second inner case 2d forms an inner space IS together with the first inner case 2a. The second inner case 2d is combined with the first inner case 2a via a waterproof packing or the like. The second inner case 2d forms a sealed inner space IS together with the first inner case 2a.
In other words, the first inner case 2a and the second inner case 2d constitute an inner case member 20 that forms the inner space IS.

The front panel 2e is a light transmissive plate member. The front panel 2e is disposed on the surface of the housing 2 on the display unit 21 side. The front panel 2e transmits characters and images displayed on the display unit 21 so as to be visible to the outside.
When the display unit 21 is a touch panel, the front panel 2e is a part that is touched by a user's finger or a touch pen.

An internal space IS is formed between the first inner case 2a and the second inner case 2d.
The internal space IS is a waterproof and sealed space, and the atmospheric pressure is the same as that of the external space OS while maintaining waterproofness by a front side air pressure adjusting unit 110 and a back side air pressure adjusting unit 120 described later. It has been adjusted.
In the internal space IS, a microphone 24b, a receiver 25b, a display unit 21, a key structure unit (not shown), a circuit board (not shown), and an antenna (not shown) are accommodated.

As shown in FIG. 6, the receiver 25b is accommodated in the internal space IS and arranged to be connected to the external space OS via the receiver hole 25a.
The receiver 25b emits sound to the external space OS through the receiver hole 25a by vibrating a diaphragm (not shown).
Here, when the internal pressure in the internal space IS rises, the receiver 25b may have a problem such as a rattling noise.

  The 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 key structure includes an operation member corresponding to each of the operation keys 11a, 11b, and 11c, a key sheet, and a key board on which a switch corresponding to each operation member is mounted.

The circuit board includes a flat board part, electronic components and various circuit blocks mounted on the surface of the board part, and a reference potential pattern layer (ground pattern layer) mounted on the surface of the board part.
The electronic component mounted on the substrate unit is, for example, an electronic component including a signal processing unit that processes a signal transmitted and received by an antenna. The circuit block is, for example, an RF (Radio Frequency) circuit or a power supply circuit.

The antenna includes a base and an antenna element having a predetermined shape disposed on the base.
The antenna element is formed of a strip-shaped sheet metal. The antenna element is supplied with power from the circuit board via a power supply terminal (not shown). As a result, the antenna element is fed from the circuit board via the feeding terminal and is connected to the RF module on the circuit board.

  Next, the atmospheric pressure adjustment mechanism in the mobile phone 1 will be described with reference to FIGS. FIG. 9 is a development view taken along the line CC in FIG. FIG. 10 is a development view of the inner air pressure adjusting member 130. FIG. 11 is a schematic diagram for explaining the operation of the inner air pressure adjusting member 130.

  In the present embodiment, the mobile phone 1 includes a front-side air pressure adjustment unit 110 and a back-side air pressure adjustment unit 120 as an atmospheric pressure adjustment mechanism.

As shown in FIG. 7, the surface-side air pressure adjusting unit 110 is an air pressure adjusting unit formed on the surface 2A side. The front-side air pressure adjusting unit 110 adjusts the air pressure in the internal space IS and the external space OS together with the back-side air pressure adjusting unit 120.
The front side air pressure adjusting unit 110 includes an outer air hole 111, an inner air hole 115, and an air pressure adjusting member 113.
The outer ventilation hole 111 is a through hole formed in the front panel 2e.
The inner ventilation hole 115 is a through hole formed in the second inner case 2d.

  The atmospheric pressure adjusting member 113 is a member having waterproofness and air permeability. The air pressure adjusting member 113 is configured to have one air pressure adjusting sheet (not shown). The air pressure adjusting sheet used for the air pressure adjusting member 113 is a sheet having waterproofness and air permeability.

As shown in FIG. 8, the back surface side air pressure adjusting unit 120 is an air pressure adjusting unit formed on the back surface 2B side. The back side air pressure adjusting unit 120 adjusts the air pressures of the internal space IS and the external space OS to be the same as the above-described front side air pressure adjusting unit 110.
The back-side air pressure adjusting unit 120 includes an outer air hole 121 (second through hole), an inner air hole 125 (first air hole), and an inner air pressure adjusting member 130.
The outer vent hole 121 and the inner vent hole 125 are as described above.

As shown in FIGS. 8 and 9, the inner air pressure adjusting member 130 is disposed between the first inner case 2a and the outer case 2b.
The inner air pressure adjusting member 130 is disposed so that one surface faces the inner vent hole 125 and the other surface faces the outer vent hole 121.
The inner air pressure adjusting member 130 is disposed so as to partition the internal space IS and the external space OS. Specifically, the inner air pressure adjusting member 130 is arranged so as to partition the external space MSA that is continuous with the internal space IS and the external space MSB that is continuous with the external space OS.

  In the present embodiment, the inner pressure adjustment member 130 is formed in a substantially rectangular shape. The inner air pressure adjusting member 130 has a shape that is long in the longitudinal direction P.

  As shown in FIG. 10, the inner air pressure adjusting member 130 is arranged in order from the inner air vent 125 side to the outer air vent 121 side, the first adhesive sheet member 131, the first air pressure adjusting sheet 132, and the first intermediate. The sheet 133, the second intermediate sheet 134, the third intermediate sheet 135, the second atmospheric pressure adjustment sheet 136, and the second adhesive sheet member 137 are provided.

The first adhesive sheet member 131 is an annular adhesive sheet member having a first hole 201.
The first adhesive sheet member 131 is disposed so that the first hole 201 faces the inner vent hole 125 and surrounds the inner vent hole 125.
The first adhesive sheet member 131 allows the first atmospheric pressure adjustment sheet 132 and the first inner case 2a to be in close contact with each other and in close contact with each other.

The first atmospheric pressure adjustment sheet 132 is stacked on the first adhesive sheet member 131 so as to cover the first hole 201. The first atmospheric pressure adjustment sheet 132 is a sheet member having waterproofness and air permeability.
The first atmospheric pressure adjustment sheet 132 includes a second hole 203 (first sheet side hole) and a first waterproof part 231 (first sheet side waterproof part).

  The second hole 203 is formed on the P1 side in the longitudinal direction P. The second hole 203 is disposed to face a predetermined area of the first hole 201.

The first waterproof part 231 is formed on the P2 side in the longitudinal direction P. The first waterproof part 231 is disposed to face another area different from the predetermined area of the first hole 201.
The first waterproof part 231 is set to have a larger area than the second hole part 203.
The 1st waterproof part 231 is a part corresponding to the 4th hole part 207 mentioned later.
The 1st waterproof part 231 is a part which has air permeability while being waterproof.
The area of the first waterproof part 231 and the area of the second waterproof part 233 described later greatly affect the air permeability (aeration rate / time) in the inner pressure adjustment member 130.

  The first intermediate sheet 133 is stacked on the first atmospheric pressure adjustment sheet 132. The first intermediate sheet 133 has a third hole 205 and a fourth hole 207.

The third hole 205 is formed on the P1 side in the longitudinal direction P. The third hole portion 205 is disposed to face the second hole portion 203.
The fourth hole 207 is formed on the P2 side in the longitudinal direction P. The fourth hole portion 207 is disposed to face the first waterproof portion 231. The fourth hole 207 is set to have a larger area than the third hole 205.

  As described above, the fourth hole portion 207 defines the size (area) of the first waterproof portion 231 and the like. In this embodiment, in order to increase the area of the 1st waterproof part 231 among the 1st waterproof part 231 and the 2nd waterproof part 233 which prescribe | regulate the ventilation performance in the inner side air pressure adjusting member 130, the area of the 4th hole part 207 is enlarged. It is set.

  Moreover, the 1st intermediate sheet 133 is comprised by the adhesive sheet member in this embodiment, and while adhering the 1st atmospheric pressure adjustment sheet 132 and the 2nd intermediate sheet 134, it adhere | attaches each other in the closely_contact | adhered state.

The second intermediate sheet 134 is stacked on the first intermediate sheet 133. The second intermediate sheet 134 has a fifth hole 209 and a sixth hole 211.
The second intermediate sheet 134 is made of a non-breathable material (for example, PET (Polyethylene terephthalate)).

The fifth hole 209 is formed on the P1 side in the longitudinal direction P. The fifth hole 209 is disposed to face the third hole 205.
The sixth hole 211 is formed on the P2 side in the longitudinal direction P. The sixth hole 211 is disposed to face the fourth hole 207. The sixth hole 211 is set to have a smaller area than the fourth hole.

  The third intermediate sheet 135 is stacked on the second intermediate sheet 134. The third intermediate sheet 135 has a seventh hole 213 and an eighth hole 215.

The seventh hole 213 is formed on the P1 side in the longitudinal direction P. The seventh hole 213 is disposed to face the fifth hole 209. The seventh hole 213 is set to have an area larger than that of the fifth hole 209.
The seventh hole 213 defines the size (area) of a second waterproof part 233, which will be described later. In the present embodiment, the area of the seventh hole 213 is increased in order to increase the area of the second waterproof part 233 among the first waterproof part 231 and the second waterproof part 233 that define the ventilation performance in the inner air pressure adjusting member 130. It is set.

  The eighth hole 215 is formed on the P2 side in the longitudinal direction P. The eighth hole 215 is disposed to face the sixth hole 211.

  Further, in the present embodiment, the third intermediate sheet 135 is composed of an adhesive sheet member, and causes the second intermediate sheet 134 and a second atmospheric pressure adjustment sheet 136 to be described later to adhere to each other, and also adheres to each other in an intimate state. .

The second atmospheric pressure adjustment sheet 136 is stacked on the third intermediate sheet 135. The second atmospheric pressure adjustment sheet 136 is a waterproof and breathable sheet member.
The second atmospheric pressure adjustment sheet 136 includes a second waterproof part 233 (second sheet side waterproof part) and a ninth hole part 217 (second sheet side hole part).

The second waterproof part 233 is formed on the P1 side in the longitudinal direction P. The second waterproof part 233 is disposed to face the seventh hole part 213.
The 2nd waterproof part 233 is set so that an area may become larger than the 9th hole part 217 mentioned later.
The 2nd waterproof part 233 is a part corresponding to the 7th hole part 213 mentioned above.
The second waterproof part 233 is a part having waterproofness and air permeability.
The area of the second waterproof part 233 and the area of the first waterproof part 231 described above greatly affect the air permeability (aeration amount / time) in the inner pressure adjustment member 130.
The second waterproof part 233 has waterproofness and air permeability, and is a part that allows the gas that has passed through the second hole 203 to be vented.

The ninth hole 217 is formed on the P2 side in the longitudinal direction P. The ninth hole 217 is disposed to face the eighth hole 215.
The ninth hole 217 has air permeability and is a hole through which the gas that has passed through the first waterproof part 231 is vented.

The second adhesive sheet member 137 is an annular adhesive sheet member having a tenth hole 219.
The second adhesive sheet member 137 is stacked on the second atmospheric pressure adjustment sheet 136.
The tenth hole 219 is disposed to face the ninth hole 217 and the second waterproof part 233, and is disposed to face the outer ventilation hole 121.
The second adhesive sheet member 137 is disposed so that the tenth hole 219 surrounds the outer vent hole 121.
The second adhesive sheet member 137 adheres the second atmospheric pressure adjustment sheet 136 and the outer case 2b to each other and adheres them to each other in the state of being in close contact.

In the present embodiment, each of the first atmospheric pressure adjustment sheet 132 and the second atmospheric pressure adjustment sheet 136 has a shape that is long in the longitudinal direction P (predetermined direction) and substantially the same shape.
The second hole 203 formed in the first atmospheric pressure adjustment sheet 132 is formed on the P1 side (one end side) in the longitudinal direction P.
The ninth hole 217 formed in the second atmospheric pressure adjustment sheet 136 is formed on the P2 side (the other end side) in the longitudinal direction P.
In the present embodiment, the area of the first waterproof part 231 is increased by forming the second hole 203 formed in the first atmospheric pressure adjustment sheet 132 on the P1 side (one end side) in the longitudinal direction P.
Further, by forming the ninth hole portion 217 formed in the second atmospheric pressure adjustment sheet 136 on the P2 side (the other end side) in the longitudinal direction P, the area of the second waterproof portion 233 is increased.
That is, in the inner air pressure adjusting member 130 in which two air pressure adjusting sheets in the present embodiment are stacked, the above-described configuration is a preferable aspect as an aspect of increasing the ventilation area.

Next, the operation of the inner pressure adjustment member 130 will be described.
As shown in FIG. 11, the inner air pressure adjusting member 130 includes a first air passage R1 that does not allow permeation of water and vents gas, and a first air passage R1 that does not permeate water and vents gas and is different from the first air passage R1. And two air passages R2.
When the housing 2 is deformed by a user's pressing operation or the like, the inner air pressure adjusting member 130 adjusts the internal pressure of the internal space IS to the outside while maintaining waterproofness by ventilation in the first ventilation path R1 and the second ventilation path R2. It adjusts so that it may become the same as the atmospheric | air pressure of space OS.

The first air passage R1 allows the internal space IS in the first internal case 2a to communicate with the external space OS on the opposite side to the first internal case 2a side in the external case 2b via the first waterproof part 231.
The first air passage R1 includes a first hole 201, a first waterproof part 231, a fourth hole 207, a sixth hole 211, an eighth hole 215, a ninth hole 217, 10 holes 219.

The second ventilation path R2 is a ventilation path different from the first ventilation path R1 and connects the internal space IS and the external space OS via the second waterproof portion 233.
The second ventilation path R2 includes a first hole 201, a second hole 203, a third hole 205, a fifth hole 209, a seventh hole 213, a second waterproof part 233, 10 holes 219.

Here, when the internal pressure of the internal space IS rises due to the pressing operation of the housing 2, a part of the air in the internal space IS passes through the first ventilation path R <b> 1 and the second ventilation path R <b> 2 to the external space OS. To vent.
Specifically, a part of the air in the internal space IS moves to the external space MSA via the inner vent hole 125 (see FIG. 8).
The air that has moved to the external space MSA moves to the first atmospheric pressure adjustment sheet 132 side through the first hole 201.
And the air which moved to the 1st atmospheric pressure adjustment sheet | seat 132 side is divided into 1st ventilation path R1 and 2nd ventilation path R2, and ventilates.

The air that flows through the first ventilation path R1 passes through the first waterproof portion 231 through a predetermined amount of ventilation per unit time (amount of ventilation per unit time per unit area (for example, ml / (min · mm ² )) × second. 1 area of the waterproof part 231).
The air that ventilates the second ventilation path R2 ventilates the second hole 203, the third hole 205, the fifth hole 209, and the seventh hole 213, and the second waterproof part 233. Ventilation rate per unit time (aeration rate per unit time per unit area × area of the second waterproof portion 233).
Here, in the present embodiment, the first air pressure adjustment sheet 132 (first waterproof part 231) and the second air pressure adjustment sheet 136 (second waterproof part 233) have the same air permeability (per unit time per unit area). Air flow rate) and the same area.

Thereby, the internal pressure on the internal space IS (external space MSA) side of the first waterproof portion 231 in the first air passage R1 and the internal space IS (external space MSA) side of the second waterproof portion 233 in the second air passage R2. The internal pressure is the same.
Further, the amount of ventilation per unit time of the first waterproof part 231 in the first ventilation path R1 and the amount of ventilation per unit time of the second waterproof part 233 in the second ventilation path R2 are the same.

And the air which ventilated the 1st waterproof part 231 in 1st ventilation path R1 is the 4th hole part 207, the 6th hole part 211, the 8th hole part 215, the 9th hole part 217, and the 10th hole. It moves to the external space OS via the unit 219.
In addition, the air that has passed through the second waterproof portion 233 in the second ventilation path R <b> 2 moves to the external space OS through the tenth hole portion 219.

  Thereby, a part of the air in the internal space IS of the mobile phone 1 moves to the external space OS, and the internal pressure in the internal space IS and the atmospheric pressure in the external space OS are maintained in a state where the waterproof property in the mobile phone 1 is maintained. Adjusted to be the same.

  Further, when the housing 2 returns to the original state due to the end of the pressing operation of the user, etc., the inner air pressure adjusting member 130 allows the air flow in the direction opposite to the above air flow in the first air flow path R1 and the second air flow path R2. Thus, the internal pressure of the internal space IS is adjusted to be the same as the atmospheric pressure of the external space OS while maintaining waterproofness.

  As described above, the mobile phone 1 is configured to be able to adjust a sudden change in internal pressure caused by deformation caused by a pressing operation on the housing 2 or the like.

According to this embodiment, the air flow rate per unit time in the inner pressure adjustment member 130 is the air flow rate per unit time per unit area × (the area of the first waterproof part 231 + the area of the second waterproof part 233). Become.
That is, since the two air pressure adjusting sheets are laminated in the inner pressure adjusting member 130, the ventilation performance in the inner pressure adjusting member 130 is not simply proportional to the area in the plane direction, but is laminated. It is proportional to the sum of the ventilation region areas in the two air pressure adjusting sheets.
Therefore, according to this embodiment, by arranging a plurality of air pressure adjusting sheets in a stacked manner, it is possible to provide a mobile phone that improves air permeability and saves space in the plane direction. Further, by arranging a plurality of pressure adjusting sheets in a stacked manner, it is possible to provide a pressure adjusting member that improves air permeability and saves space in the plane direction.

  Further, according to the present embodiment, each of the first atmospheric pressure adjustment sheet 132 and the second atmospheric pressure adjustment sheet 136 has a shape that is long in a predetermined direction and substantially the same shape, and is formed on the first atmospheric pressure adjustment sheet 132. The second hole 203 is formed on one end side in the predetermined direction (longitudinal direction), and the ninth hole portion 217 formed in the second atmospheric pressure adjustment sheet 136 is formed on the other end side in the predetermined direction (longitudinal direction). Is done. Thereby, the cellular phone 1 in the present embodiment can increase the area of the first waterproof part 231 and the second waterproof part 233 and the sum thereof.

  Further, according to the present embodiment, the mobile phone 1 can suppress a rapid increase in internal pressure in the internal space IS while maintaining waterproofness.

  In addition, according to the present embodiment, the mobile phone 1 can suppress the generation of rattling noise in the receiver 25b by suppressing a rapid increase in internal pressure in the internal space IS.

  Further, according to the present embodiment, the outer ventilation hole 121 is formed on the end side opposite to the operation key group 11 side in the longitudinal direction of the inner case (longitudinal direction of the housing 2). Thereby, the mobile phone 1 can suppress the outer vent 121 being blocked by the finger of the user who performs the pressing operation.

  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.

  In the present embodiment, a straight type mobile phone having a single casing is described, but the mobile electronic device is not limited to such a mobile phone. As a portable electronic device of the present invention, for example, a type having a plurality of housings is also included. For example, the portable electronic device is configured to be a foldable type in which two housings are configured to be foldable via a connecting portion, or configured to be slidable in one direction from one state in which two housings are overlapped. Even a slide type, a rotation type configured to rotate one housing around an axis along the overlapping direction from a state where two casings are overlapped, or a so-called two-axis hinge type Good.

Further, in the present embodiment, the atmospheric pressure adjusting member configured by laminating and arranging two atmospheric pressure adjusting sheets is described, but the present invention is not limited to this, and the atmospheric pressure adjusting member includes more than two atmospheric pressure adjusting sheets. May be arranged in a stacked manner.
Here, referring to FIG. 12, an inner pressure adjustment member 500 configured by laminating and arranging four pressure adjustment sheets will be described.

  As shown in FIG. 12, the inner atmospheric pressure adjustment member 500 includes a first atmospheric pressure adjustment sheet 502, a second atmospheric pressure adjustment sheet 505, a third atmospheric pressure adjustment sheet 509, and a fourth atmospheric pressure adjustment sheet 512.

Specifically, as shown in FIG. 12, the inner air pressure adjusting member 500 is arranged in order from the inner air vent side to the outer air vent side, the first adhesive sheet member 501, the first air pressure adjusting sheet 502, A first intermediate sheet 503, a second intermediate sheet 504, a second atmospheric pressure adjustment sheet 505, a third intermediate sheet 506, a fourth intermediate sheet 507, a fifth intermediate sheet 508, a third atmospheric pressure adjustment sheet 509, A sixth intermediate sheet 510, a seventh intermediate sheet 511, a fourth atmospheric pressure adjustment sheet 512, and a second adhesive sheet member 513 are provided.
In another embodiment, the above-described sheet constituting the inner pressure adjustment member 500 has a substantially square shape.

In another embodiment, the inner air pressure adjusting member 500 has four air passages.
For example, the first air passage (formed on the lower side of each sheet member in FIG. 12) includes a first hole portion 521, a first waterproof portion 522a, a fifth hole portion 523a, a ninth hole portion 524a, 13th hole 525a, 16th hole 526a, 20th hole 527a, 24th hole 528a, 28th hole 529a, 31st hole 530a, 35th hole 531a, 39th It has a hole 532a and a forty-second hole 533.

  The second ventilation path (formed on the left side of each sheet member in FIG. 12) includes a first hole 521, a second hole 522b, a sixth hole 523b, a tenth hole 524b, and a second waterproof part. 525b, 17th hole 526b, 21st hole 527b, 25th hole 528b, 29th hole 529b, 32nd hole 530b, 36th hole 531b, 40th hole 532b And a forty-second hole portion 533.

  The third air passage (formed on the upper side of each sheet member in FIG. 12) has a first hole 521, a third hole 522c, a seventh hole 523c, an eleventh hole 524c, and a fourteenth hole. 525c, 18th hole 526c, 22nd hole 527c, 26th hole 528c, 30th hole 529c, 33rd hole 530c, 37th hole 531c, and 4th waterproof part 532c And a forty-second hole portion 533.

  The fourth air passage (formed on the right side of each sheet member in FIG. 12) includes a first hole 521, a fourth hole 522d, an eighth hole 523d, a twelfth hole 524d, and a fifteenth hole. 525d, 19th hole 526d, 23rd hole 527d, 27th hole 528d, 3rd waterproofing part 529d, 34th hole 530d, 38th hole 531d, and 41st hole 532d. And a forty-second hole portion 533.

According to another embodiment, the air flow rate per unit time in the inner pressure adjustment member 500 is the air flow rate per unit time per unit area × (area of the first waterproof part 522a + area of the second waterproof part 525b + The area of the third waterproof part 529d + the area of the fourth waterproof part 532c).
That is, in the inner pressure adjustment member 130, four pressure adjustment sheets are stacked and arranged, so the ventilation performance in the inner pressure adjustment member 130 is not simply proportional to the area in the plane direction, but is stacked and arranged. It is proportional to the sum of the ventilation region areas of the four pressure adjusting sheets.

Therefore, according to another embodiment, by arranging a plurality of pressure adjusting sheets in a stacked manner, it is possible to provide a mobile phone and a pressure adjusting member that improve air permeability and save space in the plane direction.
In addition, the mobile phone and the atmospheric pressure adjusting member in other embodiments have the same effects as the effects in the above-described embodiments.

DESCRIPTION OF SYMBOLS 1 Mobile phone 2 Housing 2a 1st inner case (inner case member)
2b Outer case (outer case member)
2d Second inner case (inner case member)
120 Back side air pressure adjustment unit 121 Outer air vent (second through hole)
125 Inside vent (first through hole)
130 Inner pressure adjustment member (atmospheric pressure adjustment member)
131 First adhesive sheet member 132 Atmospheric pressure adjustment sheet (first atmospheric pressure adjustment sheet)
133 First intermediate sheet 134 Second intermediate sheet 135 Third intermediate sheet 136 Atmospheric pressure adjustment sheet (second atmospheric pressure adjustment sheet)
137 2nd adhesive sheet member 201 1st hole 203 203 2nd hole 205 3rd hole 207 4th hole 209 5th hole 211 211 6th hole 213 7th hole 215 8th hole 217 9th hole Part 219 10th hole part 231 1st waterproof part 233 2nd waterproof part IS internal space OS external space R1 1st ventilation path R2 2nd ventilation path

Claims (9)

An inner case member having an inner space;
A first through hole formed in the inner case member and communicating the inner space and the outer space of the inner case member;
An outer case member disposed outside the inner case member;
A second through-hole communicating the one surface side and the other surface side of the outer case member;
An air pressure adjusting member disposed between the inner case member and the outer case member so that one surface faces the first through hole and the other surface faces the second through hole;
The atmospheric pressure adjusting member is
An annular first adhesive sheet member that has a first hole portion, the first hole portion is disposed to face the first through hole, and is disposed so as to surround the first through hole;
A first atmospheric pressure adjusting sheet having waterproofness and air permeability that is laminated and disposed on the first adhesive sheet member so as to cover the first hole, and is disposed to face a predetermined region of the first hole. A first air pressure adjusting sheet having a second hole portion and a first waterproof portion disposed opposite to the other region of the first hole portion and having a larger area than the second hole portion,
A third hole disposed on the first atmospheric pressure adjusting sheet and disposed opposite to the second hole; and a fourth hole disposed opposite to the first waterproof part. 1 intermediate sheet,
A second intermediate having a fifth hole disposed on the first intermediate sheet and disposed opposite to the third hole, and a sixth hole disposed opposite to the fourth hole. Sheet,
A third hole disposed on the second intermediate sheet and having a seventh hole disposed opposite to the fifth hole and an eighth hole disposed opposite to the sixth hole; An intermediate sheet,
A second atmospheric pressure adjusting sheet having waterproofness and air permeability that is laminated on the third intermediate sheet, the second waterproofing part being arranged to face the seventh hole part, and the eighth hole part The portable electronic device which has a 2nd atmospheric pressure adjustment sheet | seat which has the 9th hole part arrange | positioned facing. The atmospheric pressure adjusting member is
An annular second adhesive sheet member having a tenth hole portion laminated on the second atmospheric pressure adjustment sheet, wherein the tenth hole portion is disposed to face the ninth hole portion and the second waterproof portion. The portable electronic device according to claim 1, further comprising: an annular second adhesive sheet member disposed to face the second through hole. The atmospheric pressure adjusting member is
A first air passage that communicates the internal space of the internal case member and the external space of the external case member opposite to the internal case member side via a first waterproof part;
A second air passage that is different from the first air passage and communicates the internal space and the external space via the second waterproof portion;
The first air passage is
Including the first hole, the first waterproof part, the fourth hole, the sixth hole, the eighth hole, and the ninth hole;
The second air passage is
The first hole portion, the second hole portion, the third hole portion, the fifth hole portion, the seventh hole portion, and the second waterproof portion are included. Portable electronic devices. A speaker unit disposed in the internal space;
An operation part disposed on one end side in the longitudinal direction of the inner case member outside the inner case member,
The portable electronic device according to claim 1, wherein the second through hole is formed on the other end side in the longitudinal direction. Each of the first atmospheric pressure adjustment sheet and the second atmospheric pressure adjustment sheet has a shape that is long in a predetermined direction and is substantially the same shape.
The second hole portion formed in the first atmospheric pressure adjustment sheet is formed on one end side in the predetermined direction (longitudinal direction),
5. The portable electronic device according to claim 1, wherein the ninth hole portion formed in the second atmospheric pressure adjustment sheet is formed on the other end side in the predetermined direction (longitudinal direction). The portable electronic device according to claim 1, wherein the second intermediate sheet is made of a non-breathable material. An internal case member having an internal space inside;
A first through hole formed in the inner case member and communicating the inner space and the outer space of the inner case member;
An outer case member disposed outside the inner case member;
A pressure adjusting member used in a portable electronic device having a second through-hole that communicates the one surface side and the other surface side of the outer case member;
Between the inner case member and the outer case member, one surface faces the first through hole and the other surface faces the second through hole,
An annular first adhesive sheet member having a first hole portion, wherein the first hole portion is disposed to face the first through hole and is disposed so as to surround the first through hole. 1 adhesive sheet member;
A first atmospheric pressure adjusting sheet having waterproofness and air permeability that is laminated and disposed on the first adhesive sheet member so as to cover the first hole, and is disposed to face a predetermined region of the first hole. A first air pressure adjusting sheet having a second hole portion and a first waterproof portion disposed opposite to the other region of the first hole portion and having a larger area than the second hole portion,
Laminated and arranged on the first atmospheric pressure adjustment sheet, the third hole is arranged opposite to the second hole, and the area is larger than the third hole arranged opposite to the first waterproof part. A first intermediate sheet having a fourth hole,
A fifth hole portion disposed on the first intermediate sheet and facing the third hole portion, and a fifth hole portion facing the fourth hole portion and having a smaller area than the fourth hole portion. 6 holes, a second intermediate sheet having,
A seventh hole disposed on the second intermediate sheet, opposed to the fifth hole and having a larger area than the fifth hole, and opposed to the sixth hole. A third intermediate sheet having eight holes,
A second atmospheric pressure adjusting sheet having waterproofness and air permeability that is laminated on the third intermediate sheet, the second waterproofing part being arranged to face the seventh hole part, and the eighth hole part An air pressure adjusting member comprising: a second air pressure adjusting sheet having a ninth hole portion arranged to face each other. An internal case member having an internal space inside;
A first through hole formed in the inner case member and communicating the inner space and the outer space of the inner case member;
An outer case member disposed outside the inner case member;
A second through-hole communicating the one surface side and the other surface side of the outer case member;
An air pressure adjusting member disposed between the inner case member and the outer case member so that one surface faces the first through hole and the other surface faces the second through hole;
The atmospheric pressure adjusting member is
A first sheet-side waterproof portion that constitutes a first ventilation path that allows gas to pass through without allowing water to permeate, and a second ventilation path that is separate from the first ventilation path, allows gas to pass without passing through water. A first sheet side hole having a smaller area than the first sheet side waterproof part, and a first atmospheric pressure adjustment sheet having waterproofness and air permeability,
A second sheet side hole that constitutes the first ventilation path, and a second sheet side waterproofing part that constitutes the second ventilation path and has a larger area than the second sheet side hole. A portable electronic device comprising: a second atmospheric pressure adjusting sheet having waterproofness and air permeability that is laminated on a 1 atmospheric pressure adjusting sheet via a predetermined member. An internal case member having an internal space inside;
A first through hole formed in the inner case member and communicating the inner space and the outer space of the inner case member;
An outer case member disposed outside the inner case member;
A second through-hole communicating the one surface side and the other surface side of the outer case member;
An air pressure adjusting member disposed between the inner case member and the outer case member so that one surface faces the first through hole and the other surface faces the second through hole;
The atmospheric pressure adjusting member has a first atmospheric pressure adjusting sheet and a second atmospheric pressure adjusting sheet,
The first atmospheric pressure adjustment sheet has a waterproof and breathable first sheet side waterproof part, and a breathable first sheet side hole part,
The second air pressure adjusting sheet is laminated on the first air pressure adjusting sheet, has air permeability, and has a second sheet side hole portion that allows the gas that has passed through the first sheet side waterproof portion to be ventilated. And a second atmospheric pressure adjustment sheet having a second sheet-side waterproof part that allows the gas that has passed through the first sheet-side hole to be ventilated.

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