JP5404583B2 - Electronic device storage case and speaker - Google Patents

Description

The present invention relates to an electronic device-accommodating case which is used when using the electronic terminal devices such as smartphones watering such as bathroom and kitchen, more particularly, more operability is excellent, hardly damaged electronic device-accommodating Regarding the case.

  For example, smartphones and portable music players are not only functions as telephones and music players, but recently, many of them have network connection functions, such as watching videos via the Internet, downloading music, You can play games.

By the way, since these electronic devices are extremely sensitive to water and dust, it is preferable to avoid using them in a highly humid environment such as a bathroom or a water bath as much as possible. Therefore, an electronic device storage case that can operate the electronic device around the water is provided.

For example, in Patent Document 1, it has a case body for accommodating the electronic device, by attaching the cover to the opening of the case body, sealed storage space in the case body is adapted to be formed. The cover is stretched with a flexible and stretchable elastic sheet for operating the sealed electronic device. By attaching the elastic sheet along the operation surface of the electronic device, the electronic The device can be operated.

Many of the elastic sheets are transparent, and a touch panel type liquid crystal display surface or buttons of an electronic device can be visually recognized. In addition, a speaker unit is further incorporated into these electronic device storage cases so that sound can be output.

Conventionally, the elastic sheet to fix the electronic device, when the distance of the thickness of the electronic apparatus T 1, from the bottom plate to the stretchable sheet was set to L 1, stretchable sheet becomes L 1 <T 1 Are arranged as follows. Thereby, since an elastic sheet closely_contact | adheres to the operation surface of an electronic device, the movement of an electronic device can be fixed.

  However, this fixing method has the following problems. That is, since the stretchable sheet is disposed at a position where the distance from the bottom plate is smaller than the thickness T of the electronic device, the stretchable sheet is inevitably stretched from the initial state, but is stretched too much. If it is extended or this state is repeated, the elastic sheet may be deformed, deteriorated, or damaged, which is not preferable.

  In addition, if a large tension is applied to the stretchable sheet, a large load is applied to the frame of the cover that fixes the stretchable sheet, which may cause breakage or water intrusion, which is not preferable. As one of methods for preventing such excessive stretching of the elastic sheet, there is a method of taking a larger area of the elastic sheet and increasing the non-contact portion with respect to the contact area with the electronic device. As a result, the entire case becomes large, and as a result, it is inconvenient to handle.

JP 2010-98161 A

Accordingly, the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a small electronic device storage case that can prevent excessive stretching of the stretchable sheet.

In order to achieve the above-described object, the present invention has several features described below. The invention according to claim 1 has a case body having a sealed housing chamber in which an upper surface is opened and an electronic device is hermetically housed therein, and a case cover attached so as to close the open surface, The case body includes a bottom plate on which the electronic device is placed, and the case cover has an operation window for operating the operation surface of the electronic device in a state where the electronic device is hermetically housed in the hermetic housing chamber. In the electronic device storage case arranged so as to face the bottom plate,
The operation window is made of a stretchable sheet material, and an operation panel for operating the operation surface of the electronic device is provided. The case body is provided with a step surface for receiving a part of the bottom plate. When the case cover is attached to the case main body between the step surface and the bottom plate, the operation surface of the electronic device housed in the sealed housing chamber is brought into close contact with the operation panel. And a cushion that is deformed so as to absorb a part of the pressing force applied from the case cover side through the electronic device and relaxes the tension applied to the operation panel by being in close contact with the operation surface of the electronic device. Means is provided.

The invention according to claim 2, the upper surface is opened, has a case body having a closed storage room electronic device therein is sealed housing, and a case cover attached so as to close the open face The case body includes a bottom plate on which the electronic device is placed, and the case cover is for operating the operation surface of the electronic device in a state where the electronic device is hermetically stored in the hermetic storage chamber. In the electronic device storage case arranged so that the operation window faces the bottom plate,
The operation window is made of a stretchable sheet material, and is provided with an operation panel for operating the operation surface of the electronic device. The bottom plate is composed of two bottom plate members, and the bottom plate member is interposed between the bottom plate members. When the case cover is attached to the case body, the operation surface of the electronic device housed in the hermetic storage chamber is brought into close contact with the operation panel, and from the case cover side through the electronic device. Cushioning means is provided which is deformed so as to absorb a part of the applied pressing force and relaxes the tension applied to the operation panel by being in close contact with the operation surface of the electronic device .

A third aspect of the invention is characterized in that, in the first or second aspect, the cushion means includes a foam sheet material.

According to a fourth aspect of the present invention, in the first or second aspect, the cushion means includes a spring member.

According to a fifth aspect of the present invention, in any one of the first to fourth aspects, the case cover is attached such that an inner peripheral surface thereof overlaps with an outer peripheral surface of the case body, and the case cover The outer peripheral surface of the main body is provided with a first seal portion that receives the open end edge of the case cover and prevents water from entering the sealed storage chamber, and the open end edge of the case main body, the case cover, A second seal portion for preventing water from entering the sealed storage chamber is provided between the two, and double entry of water into the sealed storage chamber is prevented. It is said.

The present invention also includes a speaker in which a speaker unit is incorporated in the electronic device storage case according to any one of claims 1 to 5 .

According to the first aspect of the present invention, preferably, the cushion means according to the third and fourth aspects is provided between the step surface provided on the case main body and the bottom plate, and the second aspect according to the second aspect. According to the invention, the bottom plate is made of two bottom plate members, and the cushion means according to the third and fourth aspects is preferably provided between the bottom plate members, so that a load is applied to the electronic device and the operation panel. It can be prevented from being damaged after being passed.

According to the invention described in claim 5 , the case cover is attached so that the inner peripheral surface thereof overlaps with the outer peripheral surface of the case main body, and the open end edge of the case cover is provided on the outer peripheral surface of the case main body. A first seal portion is provided to prevent water from entering the sealed storage chamber and to prevent water from entering the sealed storage chamber between the open end edge of the case body and the case cover. By providing the seal portion, it is possible to prevent water from entering the sealed storage chamber in a double manner.

According to the invention described in claim 6 , by incorporating the speaker unit into the electronic device storage case, it is possible not only to operate the electronic device in a bathroom or around the water, but also to play music, watch videos, etc. It can be performed.

The perspective view of the electronic device storage case (speaker) which concerns on one Embodiment of this invention. The perspective view of the state which opened the case cover of the said electronic device storage case. (A) Front view, (b) Rear view, (c) Right side view, (d) Top view, and (e) Bottom view of the electronic device storage case. AA line sectional view of Drawing 3 (a). BB sectional drawing of Fig.3 (a). The partial expanded sectional view for demonstrating a lock part and a seal structure. (A) Sectional drawing for demonstrating the 1st modification of a cushion means, (b) Sectional drawing for demonstrating the modification of the said 1st modification. Sectional drawing for demonstrating the 2nd modification of a cushion means. (A) Explanatory drawing for demonstrating the effect of the cushion means of this invention, (b) Explanatory drawing for demonstrating the effect of the cushion means of a 1st modification, (c) Cushion means of a 2nd modification Explanatory drawing for demonstrating the effect of this.

  Next, embodiments of the present invention will be described with reference to the drawings, but the present invention is not limited thereto.

As shown in FIGS. 1 to 5, the electronic device storage case 1 includes a case main body 2 that stores the electronic device E, and a case cover 3 that is attached to the case main body 2. In this embodiment, the electronic device storage case 1 is a speaker provided with a speaker drive unit (not shown) inside.

In the present invention, the case main body 2 stores electronic devices E such as mobile communication terminals such as smartphones, PDAs and mobile phones, and portable music players (DAP). Various electronic devices such as a navigation device (PND) can also be accommodated .

  The case body 2 is made of a synthetic resin molded product, and is formed in a box shape with one surface (upper surface in FIG. 4) opened. The case body 2 is partitioned into an electrical component chamber 21 in which a battery, a circuit board, and the like are stored, and a sealed storage chamber 22 in which the electronic device E is stored.

The electrical component chamber 21 includes a battery case in which the battery B is stored, a speaker drive unit for using the electronic device storage case 1 as a speaker, an electronic circuit board (both not shown) for controlling these, and the like. It is stored.

  On the back surface of the case body 2 (FIG. 3B), a battery lid 23 used when the battery B of the battery case is replaced, and a sound emitting unit that emits sound emitted from the speaker unit to the outside. SP is provided. Both the battery lid 23 and the sound emitting unit SP are subjected to water resistance treatment so that water does not enter the electrical component chamber 21.

  The speaker drive unit includes a connector cable (not shown) for connection in addition to a drive circuit, a speaker, and a battery. The connector cable is a stereo jack connector connected to an earphone jack provided on the electronic device E side, and is drawn out from the electrical component room 21 into the sealed storage room 22 through the bottom plate 24.

  In this example, only the earphone jack connector is provided as the connector. However, in addition to this, a USB connector or the like may be further provided. In the present invention, the shape and number of the connection connectors are arbitrary according to the specifications. May be selected.

Furthermore, in addition to the speaker drive circuit, a circuit for Bluetooth (registered trademark) connection may be further provided. According to this, communication between the electronic device E and the speaker drive circuit can be performed wirelessly, and music reproduction can be performed without storing the electronic device E in the electronic device storage case 1. Such an embodiment may also be included in the present invention.

  Here, “water resistance” as used in this specification means at least one having at least one of waterproof, drip-proof, rain-proof, splash-proof, jet-proof, and water-proof characteristics, and more specifically. Is a waterproof standard defined by JIS, which is at least grade 1 (drip-proof 1) to grade 6 (waterproof), more preferably grade 7 (waterproof), more preferably grade 8 (waterproof). It means that any one or more of the water-resistant characteristics based on (underwater) are provided.

  Inside the case body 2, a bottom plate 24 that partitions the electrical component chamber 21 and the sealed storage chamber 22 is provided. The bottom plate 24 is a plate made of synthetic resin, and is supported by a step surface 241 projecting inward from the inner peripheral surface of the case body 2.

  A cushion sheet 25 on which the electronic device E is placed is provided on one surface (the upper surface in FIG. 4) of the bottom plate 24. In this example, the cushion sheet 25 is made of a sponge sheet having shock absorption, and allows the pressing force in the pressing direction when the electronic device E is placed.

  In this example, the cushion sheet 25 is made of, for example, a sponge sheet such as low-resilience polyurethane. However, the cushion sheet 25 is deformable in accordance with the shape of the electronic device E according to the pressing force, and again in an unloaded state. Any material having an elastic restoring force that can be restored to its original shape may be arbitrarily selected according to the specifications.

  In addition, the cushion sheet 25 is attached to the entire surface of the bottom plate 24. Alternatively, the cushion sheet 25 may be provided in a stripe shape or an island shape on the plane of the bottom plate 24, and the electronic device E is horizontally disposed along the bottom plate 24. As long as it can be placed in any state, its shape may be arbitrarily selected.

According to this, as shown in FIG. 9A, when the case cover 3 is attached with the electronic device E stored in the sealed storage chamber 22, the case cover 3 pushes the electronic device E against the bottom plate 24 side. By allowing the cushion sheet 25 to deform and allow the pressure, it is possible to prevent the stretchable sheet 33 of the case cover 3 described later from being excessively stretched.

In this example, the cushion sheet 25 is provided on the side of the closed storage chamber 22 on which the electronic device E of the bottom plate 24 is placed. As another method, as shown in FIG. You may provide in the side (electric component room 21 side in Fig.7 (a)). That is, the cushion sheet 25 is provided between the step surface 241 that supports the bottom plate 24 and the bottom plate 24. Such an embodiment is also included in the present invention.

  According to this, as shown in FIG. 9B, even when the electronic device E is pressed down by the case cover 3, the cushion sheet 25 interposed between the step surface 241 and the bottom plate 24 is deformed. As a result, the pressing force is absorbed, and the same effect can be obtained.

  Separately, as shown in FIG. 7B, the bottom plate 24 is divided into two bottom plate members 24a and 24b, and a spring member 24c as a cushion means is provided between the bottom plate members 24a and 24b. The bottom plate 24 may be cushioned.

  As another aspect, there is a method in which the bottom plate 24 itself is formed of a flexible elastic sheet. That is, as shown in FIG. 8, the bottom plate 24 uses a stretchable sheet similar to the stretchable sheet 33 of the case cover 3 described later, and the two stretchable sheets 24 and 33 are used to mount the electronic device E on both sides. You may support so that it may pinch.

  According to this, as shown in FIG. 9C, the electronic device E is supported by the elastic sheets 24 and 33 so as to sandwich both surfaces thereof, so that the pressing force in the pressing direction can be released, and the elastic sheet Can be prevented from being stretched too much.

Referring to FIGS. 1 to 3 again, a stand 26 is further provided on the outer peripheral surface of the case main body 2 for leaning the electronic device storage case 1 in a self-standing state. As shown in FIGS. 3B and 3C, the stand 26 has an arch shape in which both ends are rotatably attached to both side surfaces of the case body 2, and is stored along the outer peripheral surface of the case body 2. ing.

  In this example, the stand 26 is stored so as to be rotatable along the outer periphery of the case body 2, but may be provided on the back surface of the case body 2. In the present invention, the stand 26 is an optional item. It is.

  A first seal portion 27 is provided on the outer peripheral surface of the case body 2 to prevent water from entering the sealed storage chamber 22 when the case cover 3 is attached. The first seal portion 27 includes a first seal groove 271 formed along the outer peripheral surface of the case body 2 and a first seal ring 272 fitted in the first seal groove 271.

  Referring also to FIG. 6, the first seal groove 271 is formed in an annular shape along the outer peripheral surface of the case body 2 and is opened toward the upper surface side. The first seal ring 272 is made of a sealing material such as rubber packing, for example, and is fitted over the entire circumference of the first seal groove 271.

  In this example, the first seal ring 272 is made of rubber packing. However, the first seal ring 272 may be filled with, for example, silicon sealant in the first seal groove 271 to prevent water from entering the sealed storage chamber 22. If the structure to be formed is formed, it may be arbitrarily selected according to the specification.

Next, the case cover 3 will be described with reference to FIGS. The case cover 3 includes a frame 31 having an operation window 32 for operating the electronic device E in the center, and a stretchable sheet 33 as an operation panel stretched along the operation window 32 of the frame 31. Yes.

  The frame 31 has a rectangular shape so that the inner peripheral surface thereof overlaps with the outer peripheral surface of the case main body 2, and the tip end is in contact with the first seal portion 27. As shown in FIG. 4, the end portion of the frame 31 on the operation window 32 side is bent at a substantially right angle as a second seal portion 34 that comes into contact with the open end of the case body 2, and has an L-shaped cross section. Yes.

As shown in FIG. 4 , a taper surface 311 is provided at the tip of the frame 31 to prevent stress concentration in the stretchable sheet 33 when the stretchable sheet 33 is stretched by the electronic device E. Is formed.

The second seal portion 34 includes a second seal groove 341 formed by denting a part of the frame 31 and a second seal ring 342 fitted along the second seal groove 341. The second seal groove 341 is formed in an annular shape so as to face the open end edge of the case body 2.

  The second seal ring 342 is made of a sealing material such as rubber packing, for example, and is formed in a flat ring shape that is fitted along the second seal groove 341. In this example, the second seal ring 342 is made of rubber packing. However, the second seal ring 342 may be filled with, for example, a silicon sealant in the second seal groove 341, and prevents water from entering the sealed storage chamber 22. If the structure to be formed is formed, it may be arbitrarily selected according to the specification.

The operation window 32 includes an opening having an opening area substantially the same as the opening area of the hermetic storage chamber 22, and is open in a rectangular shape in this example. An elastic sheet 33 is provided so as to close the operation window 32.

In this example, the operation panel is stretchable sheet 33 is used. The stretchable sheet 33 is made of a stretchable sheet material such as silicon rubber, and is stretched on the operation window 32 so as to have a predetermined tension. In this example, the stretchable sheet 33 is supported by the holding frame 35.

  In this example, silicon rubber is used for the elastic sheet 33, but other than this, if the material can flexibly follow tensile deformation and does not plastically deform, the material is in accordance with the specifications. It may be changed arbitrarily.

Furthermore, cash strong point in the stretchable sheet 33 described above, the rigid panel material may be used. That is, for example, hard resin plate such as polycarbonate or acrylic but it may also form a control panel.

  Here, when a mere hard panel is used, the electronic device E provided with a pressure-sensitive touch panel cannot be operated. However, in the case of the electronic device E provided with an electrostatic touch panel, a hard material added with a conductive member. Operation can be performed by bringing the panel into close contact with the touch panel of the electronic device E.

  The holding frame 35 is a rectangular frame that is fitted along the second seal portion 34, and the stretchable sheet 33 is integrally stretched thereon by heat sealing or the like. In this example, the holding frame 35 is made of an elastomer resin, but the material of the holding frame 35 may be arbitrarily selected according to specifications. The stretchable sheet 33 and the holding frame 35 may be formed of the same material, or may be integrally formed.

  In this example, the holding frame 35 is formed of an elastomer resin. However, the holding frame 35 is used as a sealing member by performing a sealing process such as a silicone resin on the surface that comes into contact with the edge of the case body 2. You may make it function. According to this, sealing can be performed without using the second seal ring 342 described above.

  The case cover 3 is rotatably connected to the upper portion of the case body 2 via a hinge portion 4, and the case cover 3 is sealed to the case body 2 on the opposite side of the hinge portion 4. Locking means 5 for locking is provided.

  Referring to FIG. 6, the locking means 5 is a so-called snap lock, and includes a locking hook 51 and a locking groove 52 with which the locking hook 51 is engaged. In this example, the locking hook 51 is provided on the case body 2 side, and the locking groove 52 is provided on the case cover 3 side.

  The locking hook 51 includes an arm portion 511 that can be rotated around a predetermined rotation axis, and a hook portion 512 provided at the tip of the arm portion 511 is fitted into the locking groove 52, whereby the case cover 3 is fixed in close contact with the case body 2 side.

  In this example, the locking means 5 is constituted by a snap lock, but other locking methods may be used, and the case body 2 and the case cover 3 are tightly sealed by two seal portions 27 and 34. Other modes are also included in the present invention as long as the maintained state can be maintained.

Next, an example of a procedure for using the electronic device storage case 1 (speaker) will be described. The use is extremely simple. First, as shown in FIG. 2, the electronic device E is placed in the sealed storage chamber 22 with the case cover 3 opened. At the same time, a connection connector (not shown) provided in the sealed storage chamber 22 is inserted into the earphone jack of the electronic device E.

Next, the case cover 3 is attached so as to cover the case main body 2, and finally locked by the locking means 5. According to this, as shown in FIG. 9 (a), the distance L of the mounting surface of the dense closed housing chamber 22 and the elastic sheet 33 is smaller than the thickness T of the electronic device E (L <T) By being set , the electronic device E is elastically sandwiched between the bottom plate 24 and the stretchable sheet 33.

  At that time, the electronic device E is pressed against the bottom plate 24 side by the extension force of the elastic sheet 33, but the pressing force is allowed by the deformation of the cushion sheet 25, so the elastic sheet 33 is stretched. It is suppressed that it is broken and is damaged due to stress concentration at one point.

  After that, by operating the electronic device E through the stretchable sheet 33 adhered along the operation surface of the electronic device E, the electronic device E can be used even in a highly humid environment such as a bathroom. After use, the electronic device E can be taken out from the case body 2 if the lock is released after wiping off moisture.

In this example, the electronic device storage case 1 has been described by taking a speaker with a built-in speaker unit as an example, but in addition to this, for example, a mechanism such as a microphone, an operation monitor, a button, a touch pad, and the like is provided. Other modifications may also be included in the present invention as long as they function as at least an electronic device storage case.

1 Electronic device storage case (speaker)
2 Case body 21 Electrical component room 22 Sealed storage room 24 Bottom plate 25 Cushion sheet 3 Case cover 31 Frame 32 Open window 33 Elastic sheet (operation panel)
E Electronic equipment

Claims (6)

A case main body having a sealed storage chamber in which an upper surface is opened and an electronic device is hermetically stored therein; and a case cover attached so as to close the open surface. The case main body includes the electronic device. The case cover is disposed so that an operation window for operating the operation surface of the electronic device faces the bottom plate in a state in which the electronic device is hermetically housed in the hermetic housing chamber. In the electronic device storage case,
The operation window is made of a sheet material having elasticity, and an operation panel for operating the operation surface of the electronic device is provided.
The case body is provided with a step surface for receiving a part of the bottom plate. When the case cover is attached to the case body between the step surface and the bottom plate, the case body has a step surface. The operation surface of the stored electronic device is brought into close contact with the operation panel, and is deformed so as to absorb part of the pressing force applied from the case cover side through the electronic device. An electronic device storage case comprising cushion means for relaxing tension applied to the operation panel due to close contact with the operation surface. A case main body having a sealed storage chamber in which an upper surface is opened and an electronic device is hermetically stored therein; and a case cover attached so as to close the open surface. The case main body includes the electronic device. The case cover is disposed so that an operation window for operating the operation surface of the electronic device faces the bottom plate in a state in which the electronic device is hermetically housed in the hermetic housing chamber. In the electronic device storage case,
The operation window is made of a sheet material having elasticity, and an operation panel for operating the operation surface of the electronic device is provided.
The bottom plate is composed of two bottom plate members, and when the case cover is attached to the case body between the bottom plate members, the operation surface of the electronic device housed in the sealed housing chamber is operated as described above. While being closely attached to the panel, it is deformed so as to absorb a part of the pressing force applied from the case cover side through the electronic device, and is applied to the operation panel by the close contact with the operation surface of the electronic device. An electronic device storage case characterized in that cushion means for relaxing tension is provided .   The electronic device storage case according to claim 1, wherein the cushion means includes a foam sheet material.   The electronic device storage case according to claim 1, wherein the cushion means includes a spring member. The case cover is attached so that inner peripheral surfaces thereof overlap with each other along the outer peripheral surface of the case main body. The outer peripheral surface of the case main body receives an open edge of the case cover, and also includes the sealed storage chamber. A first seal portion is provided for preventing water from entering the space, and a second seal portion for preventing water from entering the sealed storage chamber is provided between the open end edge of the case body and the case cover. provided, the electronic device-accommodating case according to any one of claims 1 to 4, characterized in that so as to prevent the ingress of water into the closed storage chamber in duplicate. A speaker comprising a speaker unit incorporated in the electronic device storage case according to any one of claims 1 to 5 .

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