JP2011176199A - Waterproof case - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a waterproof case that has superior waterproof properties and high impact resistance. <P>SOLUTION: In the waterproof case 1, an electronic paper device 7 is placed above the bottom 30 of a lower case section 3. An upper case section 2 is placed on the lower case section 3, and locks 4 of the lower case section 3 are respectively fitted onto protrusions 23 provided on a second wall 22 of the upper case section 2. In this step, the bottom surface of the electronic paper device 7 is held by a first cushioning portion 51 of a first cushioning member 50. Also, the end of a first flexible portion 52 of the first cushioning member 50 is fitted into a fitting groove 25 formed in the lower end of the second wall 22 of the upper case section 2 and is pressed to be deformed in the fitting groove 25 to become a first waterproof seal. The top surface of the electronic paper device 7 is held by a second cushioning portion 81 of a second cushioning member 80. Furthermore, the end of a second flexible portion 82 of the second cushioning member 80 is fitted into a fitting groove 64 in a waterproof member 60 and is pressed to be deformed in the fitting groove 64 to become a second waterproof seal. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a waterproof case for storing an electronic device or the like.

  2. Description of the Related Art Conventionally, an electronic device is short-circuited when water enters the inside, and a waterproof case for storing and protecting the electrical device is known. For example, a waterproof case for a mobile phone has been proposed in Patent Document 1. In this waterproof case, a liquid-tight seal member is provided at the edge of the lower case that comes into contact with the upper case. Also known is a waterproof case having such a structure in which a cushioning material is provided to protect the electronic device from impact.

JP 2004-16360 A

  However, in the conventional prevention case, when attention is paid only to the waterproof performance, there is no buffer material inside the case, and there is a problem that the impact is directly transmitted to the electronic device. For this reason, it is necessary to separately provide a buffer member in order to reduce the impact transmitted to the electronic device.

  The present invention has been made to solve the above-described problems, and an object thereof is to provide a waterproof case having high waterproofness and impact resistance.

  In order to achieve the above object, in the waterproof case according to the first aspect of the present invention, the lower case and the upper case are fitted together and fixed by a fixture, and the lower case contains the object to be stored. The case includes a bottom portion, a first wall portion erected upward from a peripheral end portion of the bottom portion, a first buffer portion that absorbs an impact between the bottom portion and the bottom surface of the container, and the first A first buffer member provided with a first bent portion extending from the buffer portion along the inner surface of the first wall portion and partially protruding above the upper end portion of the first wall portion; Are a lid part, a second wall part that hangs downward from a peripheral end part of the lid part, a lower end part of which is in contact with an upper end part of the first wall part, and an upper surface of the lid part and the object to be stored. A second buffer portion that absorbs shock between the second buffer portion and a second buffer portion that extends in parallel with the inner surface of the second wall portion. A waterproof member having a fitting groove into which a lower end portion of the second bent portion of the upper case is fitted inside the first buffer member. In a state in which the lower case and the upper case are fitted and fixed by the fixture, the first bending portion of the first buffer member is bent in contact with the inner surface of the upper case, and the second buffer The second bent portion of the member is bent by fitting into the fitting groove of the waterproof member, and is in a double sealed state.

  In the waterproof case of this configuration, in a state where the lower case and the upper case are fitted and fixed by the fixture, the first bending portion of the first buffer member is in contact with the inner surface of the upper case and is bent, Since the second bent portion of the second cushioning member is fitted into the fitting groove of the waterproof member and bent, and is in a double sealed state, high waterproofness and impact resistance can be realized.

  Further, the container is an electronic device having an operation unit on an upper surface, and a flexible transparent sheet window is formed at a position facing the operation unit of the lid of the upper case. The operation unit may be pressed from above the transparent sheet.

  In the waterproof case having this configuration, the operation unit of the electronic device housed in the waterproof case can be operated from the window.

  The waterproof member may be formed of a synthetic resin member, and the first buffer member and the second buffer member may be formed of a flexible member.

  In the waterproof case having this configuration, the object to be stored can be protected from impact by the first buffer member and the second buffer member.

1 is a perspective view of a waterproof case 1. FIG. 1 is a plan view of a waterproof case 1. FIG. FIG. 2 is a perspective view of the waterproof case 1 with the upper case 2 removed. 2 is a perspective view of a lower case 3 of a waterproof case 1. FIG. FIG. 3 is a cross-sectional view of the waterproof case 1 taken along the line AA in FIG. 2. It is the elements on larger scale of sectional drawing of the waterproof case 1 of FIG. 4 is a perspective view of a waterproof member 60. FIG. 2 is a perspective view of the inside of the waterproof case 1 seen through. FIG.

  Hereinafter, an embodiment of a waterproof case 1 according to the present invention will be described with reference to the drawings. In the present embodiment, a waterproof case 1 that houses an electronic paper device that is a kind of document display device as an object to be stored will be described as an example. As shown in FIGS. 1 and 2, the waterproof case 1 is formed in a rectangular box shape in plan view, and the lower case 3 and the upper case 2 are integrally fixed by a fixture 4. Yes. Further, the upper case 2 is provided with a window portion 21 so that the operation portion 71 of the electronic paper device 7 shown in FIG. 3 can be directly operated from the window portion 21.

  The structure of the lower case 3 will be described with reference to FIGS. As shown in FIGS. 3 and 4, the lower case 3 is a first wall portion which is a substantially rectangular bottom portion 30 and a peripheral wall erected in a direction perpendicular to the bottom portion 30 from the outer periphery of the bottom portion 30 and the bottom portion 30. 32. In addition, a fixture 4 that is rotatably supported by a pair of hinge portions 33 is provided at the center of each outer side surface of the first wall portion 32. The fixture 4 is provided with a horizontally long opening at the center, and the opening fits into a protrusion 23 of the upper case 2 described later, so that the upper case 2 is fixed to the lower case 3. It has become.

  Moreover, as shown in FIGS. 4-6, in the lower case 3, the 1st buffer member 50 comprised from the flexible member is provided in one round so that the inner surface of the 1st wall part 32 may be followed. The first buffer member 50 includes a first buffer 51 that absorbs an impact between the bottom 30 of the lower case 3 and the bottom surface of the electronic paper device 7, and the first buffer 51 from the outer periphery of the first buffer 51. A first bent portion 52 extending along the inner surface of the wall portion 32 and partially protruding above the upper end portion of the first wall portion 32 is provided. In addition, a flexible member can be used as a raw material of the 1st buffer member 50, As an example, urethane, gel, silicon rubber, etc. can be used.

  Furthermore, as shown in FIGS. 4 to 7, a waterproof member 60 having an H-shaped cross section is provided in the lower case 3 so as to be along the first bent portion 52 of the first buffer member 50. As shown in FIG. 6, the waterproof member 60 is a frame member that is rectangular in a plan view and has an H-shaped cross section composed of an outer wall 61, an inner wall 62, and an inner wall 63. In addition, as an example of the material of the waterproof member 60, a synthetic resin member such as ABS can be used. Between the outer wall 61 and the inner wall 62 of the waterproof member 60, a fitting groove 64 is formed in which the tip of the second flexible portion 82 of the second buffer member 80 provided in the upper case 2 is fitted. In addition, as a material of the lower case 3, a synthetic resin such as ABS or polycarbonate can be used.

  Next, the structure of the upper case 2 will be described with reference to FIGS. 1, 2, 5, and 6. As shown in FIGS. 1, 2, 5, and 6, the upper case 2 is suspended in a direction orthogonal to the lid portion 20 from a substantially rectangular lid portion 20 and an outer peripheral portion of the lid portion 20 in plan view. It is comprised from the 2nd wall part 22 which is a surrounding wall. Further, at the center portion of each outer side surface of the second wall portion 22, there is provided a protruding portion 23 into which a horizontally long opening of the fixture 4 provided in the lower case 3 is fitted. Further, as shown in FIG. 6, a fitting groove 25 is formed in the lower end portion of the second wall portion 22, and the distal end portion of the first bending portion 52 of the first buffer member 50 of the lower case 3 is fitted. It is like that.

  The upper case 2 is provided with a window portion 21 at a position facing the operation unit 71 (see FIG. 3) of the electronic paper device 7 to be stored. As shown in FIG.5 and FIG.6, the window part 21 is provided with the transparent sheet 24 comprised from the thin plate of the transparent synthetic resin. As the material of the transparent sheet 24, polyethylene terephthalate (PET) or the like can be used. Accordingly, it is possible to press a button or the like provided on the operation unit 71 of the electronic paper device 7 from above the transparent sheet 24. In addition, since transparent synthetic resin, such as ABS and a polycarbonate, is used as a material of the upper case 2, the display screen 72 (refer FIG. 3) of the electronic paper apparatus 7 can be visually recognized from the outside of the upper case 2.

  Further, as shown in FIGS. 5 and 6, a second buffer member 80 made of a flexible member is provided in the upper case 2 along the inner surface of the second wall portion 22. The second buffer member 80 includes a second buffer portion 81 that absorbs an impact between the lid portion 20 of the upper case 2 and the upper surface of the electronic paper device 7, and the second buffer portion 81 from the outer periphery of the second buffer portion 81. And a second bending portion 82 extending along the inner surface of the two wall portion 22. The distal end portion of the second bent portion 82 is adapted to fit into the fitting groove 64 of the waterproof member 60. In addition, a flexible member can be used as the material of the second buffer member 80, and as an example, urethane, gel, silicon rubber, or the like can be used.

  Next, a method of using the waterproof case 1 configured as described above will be described with reference to FIGS. 3, 5, 6, and 8. When storing the object to be stored in the waterproof case 1, as shown in FIG. 3, the electronic paper device 7 as the object to be stored is placed on the bottom 30 of the lower case 3. Next, as shown in FIGS. 5, 6, and 8, the upper case 2 is put on the lower case 3 to be fitted. Thereafter, the fixtures 4 provided at the four locations on the first wall portion 32 of the lower case 3 are raised and fitted into the protrusions 23 provided at the four locations on the second wall portion 22 of the upper case 2.

  At this time, as shown in FIG. 6, the bottom surface of the electronic paper device 7 is held by the first buffer portion 51 of the first buffer member 50 of the lower case 3. Moreover, the front-end | tip part of the 1st bending part 52 of the 1st buffer member 50 is fitted and pressed by the fitting groove 25 formed in the lower end part of the 2nd wall part 22 of the upper case 2, and is fitted. The first waterproof seal is bent inside the groove 25.

  The upper surface of the electronic paper device 7 is held by the second buffer portion 81 of the second buffer member 80 of the upper case 2. Further, the distal end portion of the second bending portion 82 of the second buffer member 80 is fitted into the fitting groove 64 of the waterproof member 60 and pressed, and is bent inside the fitting groove 64 to form the second waterproof seal. Become. At this time, since the lower end portions of the outer wall 61 and the inner wall 62 of the waterproof member 60 are pressed against the first buffer portion 51 of the first buffer member 50, it is possible to prevent water from entering from below the waterproof member 60. I can do it.

  In the waterproof case 1 of the above embodiment, in order to protect the electronic paper device 7 from impact and vibration, the height of the internal space of the upper case 2 and the lower case 3 corresponding to the thickness of the electronic paper device 7, What is necessary is just to determine the thickness of the 1st buffer part 51 of the one buffer member 50, and the thickness of the 2nd buffer part 81 of the 2nd buffer member 80. Further, in order to maintain waterproofness, the length of the first flexible portion 52 of the first buffer member 50 in the vertical direction (in FIG. 6) is determined when the upper case 2 and the lower case 3 are fitted. The distal end portion of the first flexible portion 52 of the first buffer member 50 is fitted and pressed into the fitting groove 25 formed at the lower end portion of the second wall portion 22 of the upper case 2, so What is necessary is just to set it as the length bent inside.

  Similarly, in order to maintain waterproofness, the length of the second flexible portion 82 of the second buffer member 80 in the vertical direction (in FIG. 6) is set so that the upper case 2 and the lower case 3 are fitted. In addition, the length of the distal end portion of the second bending portion 82 of the second buffer member 80 may be set so as to be bent by being fitted and pressed into the fitting groove 64 of the waterproof member 60.

  As described above, in the waterproof case 1, as shown in FIG. 8, in a state where the electronic paper device 7 is accommodated in the waterproof case 1, the shock resistance is ensured and the waterproof property is kept double. The operation unit 71 of the electronic paper device 7 can be pressed from the unit 21. Further, since the upper case 2 is formed of a transparent constituent resin, the display screen 72 of the electronic paper device 7 can be visually recognized.

  The present invention is not limited to the above embodiment, and various modifications can be made. For example, the shape of the waterproof case 1 is not limited to a rectangular shape in plan view, and may be a shape that matches the shape of the device housed inside. Moreover, a to-be-stored body is not restricted to the electronic paper apparatus 7, but can accommodate various apparatuses which require waterproofness. Furthermore, the material of the upper case 2 and the lower case 3 is not limited to a synthetic resin, and may be formed of a metal such as an aluminum alloy. When the material of the upper case 2 is made of metal, a window portion for visually recognizing the display screen 72 of the electronic paper device 7 may be formed at a position facing the display screen 72 as in the window portion 21. Further, the structure of the fixture 4 is not limited to that of the present embodiment, and various structures can be used as long as the upper case 2 and the lower case 3 can be fixed integrally. Further, if the electronic paper device 7 is not operated from above the upper case 2, the window portion 21 of the upper case 2 may be eliminated. Further, the waterproof member 60 is not limited to a synthetic resin member such as ABS, and may be made of aluminum die-cast or extruded material as long as it has rigidity.

DESCRIPTION OF SYMBOLS 1 Waterproof case 2 Upper case 3 Lower case 4 Fixing device 7 Electronic paper apparatus 20 Lid part 21 Window part 22 Second wall part 23 Projection part 24 Transparent sheet 25 Fitting groove 30 Bottom part 32 First wall part 33 Hinge part 50 First Buffer member 51 First buffer portion 52 First flexure portion 60 Waterproof member 61 Outer wall 62 Inner wall 63 Middle wall 64 Fitting groove 71 Operation portion 72 Display screen 80 Second buffer member 81 Second buffer portion 82 Second flexure portion

Claims (3)

In a waterproof case that fits the lower case and the upper case and fixes them with a fixing tool,
The lower case is
The bottom,
A first wall erected upward from the peripheral edge of the bottom,
A first buffer portion that absorbs an impact between the bottom portion and the bottom surface of the object to be accommodated, and extends from the first buffer portion along the inner surface of the first wall portion, from an upper end portion of the first wall portion A first cushioning member provided with a first deflection part partially protruding upward,
The upper case includes a lid portion,
A second wall portion that hangs downward from a peripheral end portion of the lid portion, a lower end portion of which contacts the upper end portion of the first wall portion;
A second buffer portion that absorbs an impact between the lid portion and the upper surface of the object to be stored, and a second flexible portion that extends from the second buffer portion and extends in parallel with the inner surface of the second wall portion. A second cushioning member with
Furthermore, the lower case includes a waterproof member provided with a fitting groove into which a lower end portion of the second bending portion of the upper case is fitted inside the first buffer member,
In a state where the lower case and the upper case are fitted and fixed by the fixing tool, the first bending portion of the first buffer member abuts against the inner surface of the upper case, and the second buffer member A waterproof case, wherein the two bent portions are fitted into the fitting groove of the waterproof member to be bent and double sealed. The container is an electronic device having an operation unit on an upper surface,
A window portion of a transparent sheet having flexibility is formed at a position facing the operation portion of the lid portion of the upper case,
The waterproof case according to claim 1, wherein the operation unit can be pressed from the transparent sheet. The waterproof member is composed of a synthetic resin member,
The waterproof case according to claim 1, wherein the first buffer member and the second buffer member are made of a flexible member.

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