JP6090648B2 - Waterproof case for electronic equipment - Google Patents

Description

  The present invention relates to a waterproof case for electronic equipment, and more particularly to a waterproof case for electronic equipment having a touch panel monitor.

  Conventionally, mobile phones and PDAs (Personal Digital Assistants), digital cameras, portable game machines, equipped with a touch panel monitor with a touch panel for performing various operations on a monitor that displays information and photographed images, Electronic devices such as portable audio players are provided. In recent years, as electronic devices, mobile terminals called smartphones having functions of personal computers and PDAs in mobile phones, and thin plate-like computer terminals called tablet terminals that operate by directly touching a screen are rapidly spreading.

  Touch panels used in these electronic devices include a pressure-sensitive type and a capacitance type. Conventionally, an inexpensive pressure-sensitive type has been mainstream, but at present, many types of electrostatic capacitance type have been adopted in smartphones and the like.

  Many of these electronic devices have a simple waterproof function. However, when the electronic device is used in a bathroom at home, or used outdoors or on the beach, it may be covered with water or submerged. Further, the electronic device may be hit or dropped against a hard object, and the touch panel glass may be broken or scratched on the surface of the electronic device due to impact or the like. In view of the above, there has been a demand for a waterproof case that protects electronic equipment and has a compact shape.

  A conventional waterproof case for these electronic devices is disclosed in Patent Document 1. In this waterproof case, a flexible transparent or light transmissive sheet material is stretched on a part of a case body using a rigid resin material. The touch panel type liquid crystal monitor and the operation unit of the electronic device housed in the waterproof case can be used from the outside of the sheet material. In addition, the case body can protect the electronic device from impact or the like.

  Moreover, there exists a thing disclosed by patent document 2 as a waterproof case for these electronic devices. This waterproof case is a protective cover integrally molded with silicon rubber in accordance with the shape of the electronic device. There is an opening on the back of the protective cover, the electronic device is inserted through this opening, the electronic device is entirely covered with the protective cover, and then the cap is fitted into this opening to seal it so that it is watertight. It is the structure to do. Operation buttons and liquid crystal screens of electronic devices that are confused in waterproof cases can be used from the outside of the protective cover. In addition, the waterproof case can be made compact.

JP 2006-242996 A JP 2007-159716 A

However, the technique described in Patent Document 1 has a disadvantage in that it is composed of a case main body and a lid that are stretched with a sheet material, resulting in a complicated structure with a large number of parts.
In addition, since the electronic device is held inside the resin case body, the outer shape of the waterproof case becomes large, and there is a disadvantage that portability deteriorates.

  In addition, the technique described in Patent Document 2 is configured to cover the entire electronic device with a silicone rubber waterproof cover during use, and therefore, when an impact or the like is applied, the electronic device is not sufficiently protected by the waterproof cover. was there.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a waterproof case for an electronic device having a touch panel monitor that has a simple and compact structure, is excellent in water tightness, protects the electronic device from impacts, and is easy to use.

  The present invention employs the following configuration in order to solve the above problems.

The present invention relates to a first main surface provided with a touch panel monitor, a second main surface facing the first main surface, the first main surface and the second main surface, and at least one press. The present invention relates to a waterproof case used in an electronic device having a side surface with an operation button to be operated.
Then, the first holding portion and the second holding portion formed from a transparent plastic sheet, the first outer edge portion and the second holding portion whose outlines overlap each other around the first holding portion and the second holding portion, respectively. The electronic device is detachably mounted on the first holding portion and the second holding portion in the open state, and the electronic device is connected between the first holding portion and the second holding portion in the stored state. A blister case that is held on the inner surface, and a holding frame that surrounds the outer periphery of the blister case and that holds the electronic device in the blister case in a watertight manner by sandwiching the first outer edge portion and the second outer edge portion with holding grooves, The outer surface of the first holding unit is in a position recessed from the outer surface of the holding frame on the first holding unit side, and the first holding unit facing the surface of the touch panel monitor of the stored electronic device is touch-operated. Surface is provided, outside the blister case The touch panel monitor is configured to be touch-operable via the touch operation surface, and the outer surface of the second holding portion is in a position protruding from the outer surface of the holding frame on the second holding portion side, and the operation button The second holding part facing the side is provided with a side operation part, and is configured such that the operation button can be pressed from the outside of the blister case via the side operation part.

  Further, an inner end side of at least one of the first outer edge portion and the second outer edge portion has an endless outer edge bulging portion of a predetermined height that continuously protrudes, and the outer frame is expanded by the holding frame. The protruding portion and the inner surface of the other outer edge portion are brought into pressure contact with each other so that the electronic device in the blister case is stored in a watertight manner.

  Further, at least one outer surface of the outer edge portion located on the inner surface of the holding frame is provided with a protrusion having a predetermined height that comes into contact with the inner surface of the holding frame.

  The blister case is formed by injection molding a transparent resin made of a block copolymer of methyl methacrylate and butyl acrylate.

  The holding frame is configured to be openable and closable by the opening end, and has a lock portion that locks in a state in which the opening end is closed. When the opening end is closed, the holding frame passes through the vicinity of both ends of the opening end. Through holes provided in the outer edge of the blister case, and when the opening end of the holding frame is closed, the first through hole and the second through hole penetrate each other. It is characterized by doing.

  The first holding portion and the first outer edge portion are substantially in the same plane, and an endless outer edge bulging portion is provided on the first outer edge portion.

  According to the present invention, since it has the above-described features, the following can be achieved.

  An operation in which at least one pressing operation is performed by connecting the first main surface provided with the touch panel monitor, the second main surface opposite to the first main surface, the first main surface and the second main surface. In a waterproof case used for an electronic device having a side surface provided with a button, each of a first holding part and a second holding part, and a first holding part and a second holding part formed from a transparent plastic sheet The first outer edge portion and the second outer edge portion whose contours overlap each other around the outer periphery of the electronic device, and the electronic device is detachably attached to the first holding portion and the second holding portion in the open state, and the electronic device is in the retracted state. A blister case for holding the device on the inner surfaces of the first holding part and the second holding part, and surrounding the outer periphery of the blister case, and sandwiching the first outer edge part and the second outer edge part by the holding groove A holding frame for watertight storage of the electronics inside The outer surface of the first holding unit is in a position recessed from the outer surface of the holding frame on the first holding unit side, and the first holding unit facing the surface of the touch panel monitor of the stored electronic device has A touch operation surface is provided so that the touch panel monitor can be touch-operated from the outside of the blister case via the touch operation surface, and the outer surface of the second holding portion is on the second holding portion side of the holding frame. A side operation part is provided in the second holding part that is in a position protruding from the outer surface and faces the operation button, and is configured such that the operation button can be pressed from the outside of the blister case via the side operation part. Therefore, it is excellent in water tightness while having a simple and compact configuration. In addition, the electronic device can be protected from impact, and the touch operation can be comfortably performed with good visibility of the monitor through the operation surface of the blister case. Furthermore, the center position in the thickness direction is shifted from the holding frame with respect to the holding frame, and the first holding unit for holding the touch panel monitor is in a position recessed from the holding frame. This prevents the glass from being directly impacted, and prevents the touch panel monitor from becoming difficult to see because the blister case covering the touch panel monitor is damaged by scratches or the like. In addition, a side operation unit can be provided by expanding the outer surface of the second holding unit from the holding frame, and the operation button on the side surface of the electronic device can be pressed from the outer surface of the blister case via the side operation unit. it can.

  Further, an inner end side of at least one of the first outer edge portion and the second outer edge portion has an endless outer edge bulging portion of a predetermined height that continuously protrudes, and the outer frame is expanded by the holding frame. Since the protruding portion and the inner surface of the other outer edge portion are in pressure contact with each other, the electronic device in the blister case is configured to be stored in a watertight manner, so that a watertight structure can be realized at a low cost with a very simple configuration.

  In addition, since at least one outer surface of the outer edge portion located on the inner surface of the holding frame is provided with a protrusion having a predetermined height that comes into contact with the inner surface of the holding frame, the inner surface of the holding frame and the outer surface of the outer edge portion The interval is set to a predetermined interval depending on the height of the protrusion, and the optimum pressure contact between the outer edge bulging portion of one outer edge portion and the inner surface of the other outer edge portion can be realized, thereby improving the water tightness.

  In addition, since the blister case is formed by injection molding a transparent resin made of a block copolymer of methyl methacrylate and butyl acrylate, the blister case can be formed of a transparent and flexible material and visually The touch panel can be operated with good performance, and the bulging portion of one outer edge portion and the inner surface of the other outer edge portion can be press-contacted with appropriate elasticity and flexibility to enhance water tightness. Further, by injection molding, it becomes easy to increase or decrease the thickness of a part of the blister case.

  The holding frame is configured to be openable and closable by the opening end, and has a lock portion that locks in a state in which the opening end is closed. When the opening end is closed, the holding frame passes through the vicinity of both ends of the opening end. Through holes provided in the outer edge of the blister case, and when the opening end of the holding frame is closed, the first through hole and the second through hole penetrate each other. As a result, the blister case containing the electronic device can be smoothly attached to and detached from the holding frame, and the open / close end is securely closed in the lock portion, and the first through hole is provided from the neck or the like. If a string-shaped item or ring-shaped fastener is inserted and used, the string-shaped item or fastener will prevent the opening end from opening and unlocking the holding frame during use, and the string shape It is possible to reliably hold the waterproof case with goods and fasteners.

  The first holding portion and the first outer edge portion are substantially in the same plane, and the first outer edge portion is provided with an endless outer edge bulging portion, which further simplifies the structure. In general, a single thin resin plate is easy to bend or twist, but since the outer edge bulge portion is provided, the resin plate can be prevented from being bent or twisted.

The perspective view which shows the state before attaching an electronic device to the waterproof case which concerns on one Embodiment of this invention. The perspective view which shows the state in the middle of attaching the electronic device to the waterproof case which concerns on one Embodiment of this invention The perspective view which shows the state which mounted | wore the waterproof case which concerns on one Embodiment of this invention with the electronic device. The front view which shows the state which mounted | wore the waterproof case which concerns on one Embodiment of this invention with the electronic device

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

An embodiment of the present invention will be described with reference to FIGS. In the present embodiment, the electronic device to be accommodated in the waterproof case 1 is the mobile terminal 100 (smart phone).
FIG. 1 is a perspective view of a blister case 2, a holding frame 3, and a portable terminal 100 that constitute the waterproof case 1 before the portable terminal 100 is accommodated in the waterproof case 1. FIG. 2 is a perspective view of the portable terminal 100 housed in the blister case 2 as seen from the front in a state where the portable terminal 100 is being attached to the holding frame 3.

  FIG. 3A shows a perspective view seen from the rear in a state where the portable terminal 100 is accommodated in the waterproof case 1 (accommodated state), and FIG. 3B shows an AA in the side button protection structure of the blister case 2. A cross-sectional view in the direction of the arrows and FIG. 3C similarly shows a cross-section in the direction of the arrows BB.

  FIG. 4A shows a front view of the portable terminal 100 housed in the waterproof case 1, and FIG. 4B shows the outer edge of the blister case 2 held by the holding frame 3 and the C- 4C is a cross-sectional view in the direction of the arrow D-D in the upper surface button protection structure of the blister case 2, and FIG. 4D is E in the speaker protection structure of the blister case 2. A cross-sectional view in the direction of arrow E is shown.

First, the portable terminal 100 stored in the waterproof case 1 will be described.
As shown in FIG. 1, in this embodiment, the portable terminal 100 which should be accommodated in the waterproof case 1 is a smart phone, and has the case 101 which comprises an exterior. Note that in the description of the embodiment of the present specification, the front and rear direction, the up and down direction, and the left and right direction are shown in a state where an image captured by a camera built in the mobile terminal 100 is viewed with the monitor screen in a landscape orientation. The direction of the screen is called the front (front) direction, and the opposite direction is called the rear (rear) direction.

As shown in FIG. 1, the case 101 has a horizontally long, substantially rectangular and flat shape, and includes a front surface 101a, a rear surface 101b (not shown) that is the opposite surface, and an upper side surface 101c that connects the front surface 101a and the rear surface 101b. A lower side surface 101d, a left side surface 101e, and a right side surface 101f.
A rectangular touch panel monitor 102 is provided at the center of the front surface 101a, a home operation button 103 for pressing the display of the touch panel monitor 102 and the like at the center on the right side, and a speaker 104 for calling and voice reproduction at the center on the left side. Is provided.

The surface of the touch panel monitor 102 is flush with the surface of the front surface 101a. The touch panel of the touch panel type monitor 102 is a capacitive type.
On the left side of the lower side surface 101d are two press-type volume control buttons 105 for adjusting the volume of the speaker 104, on the right side is a press-type talk button 106 that is pressed during voice transmission in a push-to-talk call, and above the left side surface 101e. Is a push-type power / sleep button 107 for switching and controlling the power supply and sleep function, a call microphone (not shown) on the right side surface 101f, and a photographic camera lens 108 on the upper left side of the rear surface 101b.

  In this portable terminal 100, a touch operation can be performed on the touch panel monitor 102, and a call can be made as a portable phone using the speaker 104 and a call microphone (not shown). By displaying an image on the touch panel monitor 102 and reproducing sound through the speaker 104, it is possible to watch a video or television. Further, by operating the touch panel monitor 102, various information can be searched.

  Next, the waterproof case 1 will be described. As shown in FIG. 1, the waterproof case 1 includes a blister case 2 and a holding frame 3. The blister case 2 is formed of a single transparent plastic sheet, and is configured such that a front case 4 and a rear case 5 connected in the longitudinal direction can be folded in two with a fold line 6 as a fold.

  As shown in FIG. 1, the blister case 2 is a transparent plastic case having a bulging portion. That is, a rear storage portion 5a (second holding portion) that bulges in the rear direction is provided at the center of the rear case 5, and a rear outer edge portion 5b (second outer edge portion) is provided at the outer edge of the rear storage portion 5a. ) Is formed. The front case 4 is formed of a single substantially flat surface, and a portion facing the rear storage portion 5a at the center is a front storage portion 4a (first holding portion) (a portion surrounded by a two-dot chain line), and an outer portion thereof. Constitutes the front outer edge portion 5b (first outer edge portion) (the portion outside the two-dot chain line). The outer shapes of the front outer edge portion 5b and the rear outer edge portion 5b are substantially the same shape, and the contours overlap each other when folded in half.

  As shown in FIG. 1, a front projecting portion (projecting portion) 4c and a rear projecting portion (projecting portion) 5c, which overlap each other and project in a substantially semicircular shape, are formed at the right central portions of the front outer edge portion 4b and the rear outer edge portion 5b. Is formed. A front through-hole (through-hole) 4d and a rear through-hole (through-hole) 5d are formed in the substantially center of the substantially semicircular shape so as to be concentric with each other, and pass through each other when the blister case 2 is folded.

  As shown in FIGS. 1 and 2, a home operation button storage portion 4 e is formed in a portion of the front storage portion 4 a facing the home operation button 103. As shown in FIG. 4 (c), when the home operation button storage portion 4e is pressed with the fingertip F from the outside of the blister case 2, the home operation button storage portion 4e is deformed and is formed by a portion formed in a convex shape on the inner surface side. The home operation button 103 is pressed.

  As shown in FIG. 1 and FIG. 4D, a speaker protection part 4 f is provided in the front storage part 4 a facing the speaker 104. The speaker protection part 4f has a shape bulging outward and has a speaker protection part hole 4g. A ventilation sheet 4h that allows air to pass but does not allow water to pass therethrough is affixed to the inner surface of the speaker protection portion hole 4g, and allows sound to pass through while preventing water from entering the speaker protection portion hole 4g.

As shown in FIGS. 1 and 3 (a), the rear storage portion 5a includes a holding surface that holds the rear surface 101b of the mobile terminal 100, and a side surface that connects the holding surface and the inner edge of the rear outer edge portion 5b. ing.
The right side surface of the rear storage unit 5a is provided with a call microphone protection unit 5e that is opposed to a call microphone (not shown), and has a configuration in which a ventilation sheet is attached to the hole of the bulging portion in the same manner as the speaker protection unit 4h. It has sound and it allows sound to pass through while preventing water from entering.

  As shown in FIG. 1, two fitting projections 4i, 4i and fitting depressions 5f, 5f are provided in the direction toward the inner surface at the center of the left and right ends of the front storage portion 4a and the rear storage portion 5a of the blister case 2, respectively. It has been. In the stored state, the fitting convex portions 4i and 4i and the fitting concave portions 5f and 5f facing each other are fitted, whereby the front case 4 and the rear case 5 are positioned at predetermined positions.

  As shown in FIG. 1, the rear storage portion 5a facing the volume control button 105 is provided with a volume control button storage portion (side operation portion) 5g. As shown in FIG. 3B, the volume control button storage portion 5g bulges outward, stores the volume control button 105 on the inner surface, and the volume control button with the fingertip F from the outside through the volume control button storage portion 5g. 105 can be pressed. The reason why the inner surface of the volume control button storage 5g is configured to be larger than the width of the volume control button 105 is the same size as the portable terminal 100 and the position of the volume control button is slightly different. This is to allow other electronic devices to be supported by the waterproof case 1 of the present embodiment.

  As shown in FIG. 1, a talk button storage section (side operation section) 5h is provided in the rear storage section 5a facing the talk button 106. As shown in FIGS. 3C and 4B, the talk button storage portion 5h has a talk button bulging portion 5i and a talk button rib-like portion 5j provided in a rib shape at the center thereof. . When the talk button bulging portion 5i is pressed with the fingertip F from the outside of the blister case 2, the talk button 106 can be surely pressed by the talk button rib-like portion 5j.

  As shown in FIG. 1, the power / sleep button storage portion (side operation portion) 5k facing the power / sleep button 107 also has a bulging portion and a rib portion similar to the talk button storage portion 5h. The power / sleep button 107 can be pressed from the outside of the blister case 2.

  As shown in FIG. 1 and FIG. 4B, the front outer edge portion 4b is formed on the inner surface side along a position outside a predetermined distance from the inner edge end of the front outer edge portion 4b (the portion indicated by the two-dot chain line in FIG. 1). An endless outer edge bulging portion 4j (outer edge bulging portion) bulging into a substantially U shape is provided. The waterproof function of the outer edge bulging portion 4j will be described later.

As shown in FIG. 4A, a portion of the flat front storage portion 4a (a portion surrounded by a two-dot chain line) facing the touch panel monitor 102 constitutes a touch panel operation surface (touch operation surface) 4k. As shown in FIG. 4B, the touch operation on the touch panel monitor 102 can be performed with the fingertip F from the outside of the front case 4 through the touch panel operation surface 4k.

  As shown in FIGS. 1 and 3A, a lens cover surface 5m is formed in a portion facing the photographing camera lens 108 in the upper left part of the rear storage portion 5a, and a lens cover that is an annular protrusion around the lens cover surface 5m. A surface guard 5n is provided. Further, leg portions 5p are provided in the vicinity of the other three corners where the lens cover surface 5m of the rear storage portion 5a is not provided. The description regarding the protective functions of the lens cover surface 5m and the leg 5p will be described later.

  As shown in FIG. 1, a plurality of long rectangular punched holes 6a are provided in the center of the broken line portion 6, and perforations 6b are provided along the folding lines. Since it is easy to bend | fold by the punching hole 6a and the perforation 6b, the broken line part 6 can be bent reliably in a predetermined position.

  The blister case 2 of this embodiment has a thin part and a thick part. The front case 4 and the rear extension 5b of the rear case 5 are thin, and the rear storage 5a is thick. However, in the rear housing 5a, as shown in FIGS. 3B, 3C and 4B, the volume control button housing 5g, the talk button housing 5h, and the power / sleep button housing 5k The wall thickness is thin. Further, as shown in FIG. 3A, the lens cover surface guard 5n and the leg portion 5p are further increased in thickness and protrude to the outer surface side.

  The thickness of the thin portion of the transparent plastic sheet constituting the blister case 2 is preferably 0.15 to 0.5 mm, and more preferably 0.2 to 0.4 mm. This is because if the thickness is increased, the sensitivity of the touch operation of the touch panel type monitor 102 on the touch panel operation surface 4k is deteriorated and the operation becomes difficult, and if the thickness is decreased, the strength is decreased and it is unstable to hold the portable terminal 100. Further, the front outer edge portion 4b and the rear outer edge portion 5b are made thin so that the front outer edge portion 4b and the rear outer edge portion 5b are easily bent when in close contact with each other, thereby improving waterproofness.

  The thickness of the thick portion of the transparent plastic sheet constituting the blister case 2 is 0.55 to 0.8 mm, and the more preferable thickness is 0.6 to 0.7. The reason why the thickness of the rear storage portion 5a is increased is to hold the mobile terminal 100 firmly. Also, the volume adjustment button storage part 5g, talk button storage part 5h, and power / sleep button storage part 5k are made thinner to make the thin part easier to bend and press operation. Is made easy.

  Next, the holding frame 3 will be described. As shown in FIG. 1, the holding frame 3 includes an upper frame 7, a lower frame 8, and a hinge 9. The upper frame 7 and the lower frame 8 are formed of a hard resin such as a polycarbonate resin. In the present embodiment, the upper frame 7 and the lower frame 8 have a substantially vertically symmetrical structure.

  As shown in FIGS. 1 and 4B, the upper frame 7 and the lower frame 8 have a substantially U-shaped cross-sectional shape with the opening facing inward, and the inner surface has a continuous upper portion. A frame holding groove (holding groove) 7a and a lower frame holding groove (holding groove) 8a are provided. When the holding frame 3 is closed, the upper frame holding groove 7 a and the lower frame holding groove 8 a constitute an endless groove that is continuous on the inner surface of the holding frame 3.

  As shown in FIG. 1, the upper frame 7 and the lower frame 8 are configured to be rotatable with respect to each other by a hinge 9, and an upper frame lock (lock portion) 7 b and a lower frame lock 8 b (lock portion) are provided at the opening end of the tip. Are provided to be engageable with each other.

  As shown in FIG. 1, an upper frame protrusion 7c and a lower frame protrusion 8c protrude in the right direction of the upper frame lock 7b and the lower frame lock 8b. An upper frame through hole 7d and a lower frame through hole 8d are provided at the inner center of the upper frame protruding portion 7c and the lower frame protruding portion 8c.

  Before explaining how the portable terminal 100 is stored in a watertight case 1 in a waterproof case, the material and manufacturing method of the blister case 2 used in this embodiment will be described. The blister case 2 is manufactured by injection molding a transparent acrylic thermoplastic elastomer made of a block copolymer of methyl methacrylate (MMA) and butyl acrylate (BA).

  This block copolymer has both the transparency and weather resistance of MMA, the flexibility of BA, etc., and is a transparent and flexible material that has characteristics that are intermediate between plastic and rubber. have. Since the blister case 2 is made of a material having such characteristics, the portable terminal 100 is housed and held in the blister case 2 and touch-operated via the touch panel operation surface 4k, and a watertight structure described later can be easily obtained. It becomes possible. Further, by injection molding, a thick part and a thin part can be freely formed.

  In addition, since this block copolymer has good coatability, for example, when an antibacterial paint containing silver ions is applied and subjected to antibacterial treatment, the waterproof case 1 of this embodiment is used as an antibacterial case for the mobile terminal 100. Can also be used.

Now, the watertight structure will be described with reference to FIGS. 1, 2, and 4.
First, the rear portion of the mobile terminal 100 shown in FIG. 1 is stored in the rear storage portion 5a of the blister case 2, and the front case 4 is folded in two around the fold line portion 6 and rotated. The portion of the surface 101a is in contact with and opposed to the inner surface of the front storage portion 4a. That is, the portable terminal 100 is stored and held by the front storage portion 4a and the rear storage portion 5a. Here, the front outer edge portion 4b and the rear outer edge portion 5b are in contact with and overlap each other with the flat portion of the inner surface of the rear outer edge portion 5b opposed to the outer edge bulging portion 4j.

  Next, the opening ends of the upper frame 7 and the lower frame 8 of the holding frame 3 are rotated in a direction to open each other. First, the upper frame 7 has the upper part of the blister case 2 or the lower frame 8 has the lower part of the blister case 2. Store. As shown in FIG. 4B, for example, when the blister case 2 is first housed in the lower frame 8, the lower frame holding groove 8a has the inclined portions 8e and 8e. The rear outer edge portion 5b is smoothly accommodated in the lower frame holding groove 8a while the outer edge bulging portion 4f is pressed.

  As shown in FIG. 2, when the lower frame 8 or the upper frame 7 is rotated in the closing direction in this state, the outer edge portion of the blister case 2 is all housed in the groove portion 8a of the holding frame 3, and the upper frame lock 7b The lower frame lock 8b is engaged and locked with each other. In the locked state, a watertight structure is formed on the entire inner surfaces of the front outer edge portion 4b and the rear outer edge portion 5b because the outer edge bulging portion 4f is in pressure contact with the flat surface portion of the inner surface of the rear outer edge portion 5b. The stored portable terminal 100 is protected from water or the like.

  As shown in FIG. 4B, a front projection 4m and a rear projection 5r having a predetermined height are provided on the outer surfaces of the front outer edge 4b and the rear outer edge 5b located on the inner surface of the holding frame 3. It has been. The front protrusion 4m and the rear protrusion 5r are formed at a predetermined height over the entire circumference of the front outer edge 4b and the rear outer edge 5b, respectively, and one end of each of the upper frame holding groove 7a and the lower frame holding groove 8a. It abuts on the inner surface and serves to maintain a gap between the front outer edge portion 4b, the rear outer edge portion 5b, and the inner surface of the holding frame 3. Here, since the front protrusion 4m and the rear protrusion 5r only need to maintain a gap interval, they need not be provided continuously, and may be provided intermittently at predetermined intervals.

  In the present embodiment, the front protrusion 4m and the rear protrusion 5r are provided, but only one of them may be provided. Further, the front protrusion 4m and the rear protrusion 5r are provided in the vicinity of the outer edge bulge 4f. However, if the front protrusion 4m and the rear protrusion 5r are located on the inner surface of the holding frame 3, the front protrusion 4m and the rear protrusion 5r You may make it hold | maintain elastically by bending between 4f.

  As shown in FIG. 2, the front projecting portion 4c and the rear projecting portion 5c of the blister case 2 that overlap each other are covered at the rear side by the upper frame projecting portion 7c, and the front side is covered by the lower frame projecting portion 8c. At this time, the lower frame through-hole 8d, the front through-hole 4d, the rear through-hole 5d, and the upper frame through-hole 7d have the same core and the same diameter and pass through each other.

  As illustrated in FIG. 4B, the outer surface of the front storage portion 4 a that holds the front surface 101 a of the mobile terminal 100 is configured to be recessed from the front surface of the holding frame 3. With such a configuration, for example, even when a hand slips and the front surface side of the waterproof case 1 slides on the floor or road, the touch panel operation surface of the front storage portion 4a that is recessed from the holding frame 3 It is possible to prevent the 4k from being rubbed and scratched, and to ensure the visibility of the touch panel monitor 102. Further, it is possible to prevent a direct impact from being applied to the touch panel monitor 102 of the mobile terminal 100 facing the touch panel operation surface 4k, and to prevent the touch panel glass from being broken.

Further, as shown in FIG. 4B, in the present embodiment, the front case 4 has a substantially planar shape with no step, but bulges in the rear direction, which is the inner surface direction, at the center of the front case 4. A part may be provided. Similar to the rear case 5, the front storage portion 4a is composed of a holding surface and a side surface, and the holding surface is projected from the front outer edge portion 4b to the rear side by a predetermined step. Further, the rear storage portion 5a of the rear case 5 is further protruded in the rear direction by the predetermined step. In this way, the rear storage portion 5a is further deepened, so that when the mobile terminal 100 is stored, the front surface 101a of the mobile terminal 100 is located at a position recessed by this predetermined step. Then, the recessed front housing portion 4 of the front case 4 is fitted snugly to house holds the mobile terminal 100.

  That is, since the front storage portion 4 of the front case 4 is fitted to the inner surface of the rear storage portion 5a of the rear case 5, the front case 4 and the rear case 5 can be positioned relative to each other. Further, since the rear storage portion 5a can be protruded further than the outer surface of the rear side of the holding frame 3, the button storage portion provided on the side surface of the rear storage portion 5a can be largely exposed, and the pressing operation can be performed. Can be made easier.

  Further, a bulging portion in the front direction which is the outer surface direction of the front case 4 may be provided in the center portion of the front case 4. Like the rear case 5, the front storage portion 4 a is configured by a holding surface and a side surface, and the outer surface of the holding surface is in a position recessed from the outer surface on the front side of the holding frame 3. If it does in this way, the thickness of the waterproof case 1 as a whole can be made thinner than this embodiment by the part which bulged, maintaining the effect which prevents a damage.

  Further, as shown in FIG. 4B, the outer surface of the holding surface of the rear storage portion 5 a that holds the rear surface 101 b of the mobile terminal 100 is configured to protrude from the rear surface of the holding frame 3. With such a configuration, it is possible to provide a button storage portion at a position opposite to the operation button provided on the side surface portion of the mobile terminal 100, and a pressing operation can be performed from the outer surface of the blister case 2 via the button storage portion. it can.

  That is, as shown in FIGS. 3B, 3C and 4B, the blister case 2 is provided with a volume control button storage 5g, a talk button storage 5h, and a power / sleep button storage 5k. The operation buttons located on the corresponding side portions of the mobile terminal 100 can be pressed. In order to provide the button storage portion, it is preferable that the position in the thickness direction of the mobile terminal 100 protrudes more than half from the rear outer surface of the holding frame 3, but in any case, the button storage portion is provided. It is sufficient if it protrudes from the holding frame 3 to the extent.

  In this embodiment, since the transparent plastic sheet is used for the blister case 2, the waterproof case 1 can be made extremely thin and compact. As shown in FIG. 4B, the thickness of the portable terminal 100 is slightly increased when stored in the waterproof case 1, and is used without impairing the portability of the original portable terminal 100. be able to.

  Further, as shown in FIG. 4B, since the holding frame 3 indirectly holds the portable terminal 100 via the blister case 2, the waterproof case 1 has high impact resistance. Yes. Here, the impact is likely to be applied to the holding frame 3 at the outer edge of the waterproof case 1. Even when an impact is applied to the holding frame 3, the blister case 2 has appropriate rigidity and flexibility, so that the impact is mitigated by the blister case 2 and the mobile terminal 100 is protected from the impact.

  That is, as shown in FIG. 4B, the inner portion of the holding frame 3 facing the side surface 101 c of the mobile terminal 100 and the side surface 101 c of the mobile terminal 100 housed in the blister case 2 are The protective gap G is spaced apart beyond the thickness of the plastic sheet. The portable terminal 100 is held in a space inside the holding frame 3 by the blister case 2 in the protective gap G that connects the portable terminal 100 and the blister case 2. With such a configuration, when an impact is applied to the holding frame 3, the blister case 2 in the protective gap G portion absorbs the impact by acting as a cushioning material without the direct impact being transmitted to the portable terminal 100. Thus, the mobile terminal 100 to be stored is protected.

  Further, since the waterproof case 1 is configured by combining the blister case 2 and the holding frame 3, high waterproofness can be obtained. That is, as shown in FIG. 4B, the front outer edge portion 4b and the rear outer edge portion 5b are in pressure contact with the outer edge bulging portion 4f and the flat portion of the inner surface of the rear outer edge portion 5b facing the outer edge bulging portion 4f. Thus, a reliable watertight structure is formed with a simple configuration.

  By the way, if the mobile terminal 100 in the waterproof case 1 is accidentally given an impact or the like when used outdoors, the holding frame 3 is unlocked, and the mobile terminal 100 pops out of the blister case 2 and is lost. There is a possibility that. Therefore, in the present embodiment, the upper frame through hole 7d and the lower frame through hole 8d are provided in the vicinity of the upper frame lock 7b and the lower frame lock 8b and in the vicinity of both ends of the opening end.

  That is, as shown in FIG. 3 (a), for example, a suspension holder H attached to a string S hung from the neck or a string S is inserted into the upper frame through hole 7d and the lower frame through hole 8d that penetrate each other. Can be passed directly. In this way, it is possible to prevent the holding frame 3 from being opened by the hanging holder H and the like, and the portable terminal 100 is prevented from jumping out of the waterproof case 1, so that the portable terminal 100 can be used more safely in the outdoors. Can do.

  Further, as described above, since the upper frame through hole 7d and the lower frame through hole 8d penetrate both the front through hole 4d and the rear through hole 5d of the blister case 2, the blister case 2 is suspended by the hanging holder H or the like. Can be held directly, and the strength of hanging can be further increased.

  4C, the rear case 5 has a lens cover surface 5i. Since the visibility of the transparent plastic sheet is good, the lens cover surface 5i is formed integrally with the rear case 5. can do. Here, a lens cover surface guard 5j is provided around the lens cover surface 5i so that the portion of the lens cover surface 5i is rubbed and damaged when the waterproof case 1 is placed and the like, and the visibility at the time of camera shooting is not deteriorated. Yes.

  The lens cover surface guard 5j and the three leg portions 5k have the same protruding height in the outer surface direction, and serve as a leg when the waterproof case 1 is placed. The outer surface of the rear case 5 is kept at a predetermined distance to prevent the outer surface of the rear case 5 from being rubbed and scratched. ,

  Moreover, although the block copolymer of MMA and BA was used for the material of the blister case 2 of this embodiment, it is not limited to this, PET (polyethylene terephthalate) generally used for blister packs, Transparent plastic resins such as hard vinyl chloride resins and plant-derived plastics can also be used.

  Further, in the manufacture of the blister case 2 of the present embodiment, the block copolymer of MMA and BA is injection-molded. However, the present invention is not limited to this, and a vacuum is produced using a sheet material obtained by extrusion-molding this block copolymer. You may shape | mold using conventional manufacturing apparatuses, such as foam.

  Further, if a sheet material of PET resin is used, it can be manufactured in the same process as a so-called blister pack used for packing and display of products. For example, a plastic sheet can be molded using a conventional manufacturing apparatus such as a vacuum foam, and can be manufactured in large quantities at a low cost. Further, since the so-called blister pack is used when it is desired to show the contents of the product, the visibility of the screen of the touch panel monitor 102 is good.

  Further, in the present embodiment, the blister case 2 connects the front case 4 and the rear case 5 so that the blister case 2 can be folded in two at the fold line portion 6, whereby the portable terminal 100 can be smoothly stored in the waterproof case 1. . Here, the front case 4 and the rear case 5 may be separated into two separate parts without being connected. In that case, for example, if a concave and convex step to be fitted to each other is provided, or a boss or the like is provided, it becomes a positioning guide and can be stored more smoothly.

  Moreover, in the watertight structure, in this embodiment, the outer edge bulging part 4f provided on the front outer edge part 4b is in contact with the flat surface part of the inner surface of the rear outer edge part 5b, but the present invention is not limited to this. Both the front outer edge portion 4b and the rear outer edge portion 5b may be provided so as to surround an endless outer edge bulging portion bulging toward the inner surface side in a single, double or triple manner, and the cross section is also U-shaped. Instead, it may be formed in a convex shape, a concave shape, etc., and the peak positions of these outer edge bulge portions may be aligned or shifted, or fitted to each other. Also good. That is, the shape of the watertight structure can be variously changed.

Moreover, you may comprise so that an endless packing may be arrange | positioned between the front outer edge part 4b and the rear outer edge part 5b. In that case, a packing groove may be provided in one of the front outer edge portion 4b and the rear outer edge portion 5b, and the packing may be attached and fixed.

  In the present embodiment, a high strength is obtained by using a polycarbonate resin as the material of the holding frame 3. However, the present invention is not limited to this, and hard resins such as ABS (acrylonitrile, butadiene, styrene) resin and polypropylene resin may be used.

  Further, by providing the hinge 9 at the center of the holding frame 3 in the vertical direction, the upper and lower parts of the blister case 2 can be mounted in order as shown in FIG. However, the present invention is not limited to this, and the hinge 9 may be provided, for example, at a corner portion of the holding frame 3 or may be provided at a plurality of portions.

  Further, the holding frame 3 may be made of a flexible material such as an elastomer. In this case, since the holding frame 3 itself bends, the hinge 9 can be dispensed with. Further, since the holding frame 3 has elasticity, the waterproofness can be further improved by bringing the front outer edge portion 4b and the rear outer edge portion 5b into closer contact with each other. Also, impact resistance is improved.

  As described above, the present invention is a blister case formed of a transparent plastic sheet that can be folded in two, storing and holding an electronic device in a storage unit, and enabling touch operation of a touch panel type monitor of the electronic device via an operation surface; A waterproof case for an electronic device comprising a holding frame having a groove for sandwiching an outer edge portion of the blister case, wherein the operation surface is recessed from the holding frame by shifting the position of the center of the blister case and the holding frame in the thickness direction. The blister case on the opposite side of the operation surface protrudes from the holding frame to protect the operation surface from impacts and scratches, and the buttons on the side of the electronic device can be pressed from the outside of the blister case. It is intended to obtain a waterproof case with excellent performance, good operability and a compact configuration.

  The waterproof case of the present invention is not limited to the embodiment described above and shown in the drawings, and various modifications can be made without departing from the scope of the invention. For example, in the above-described embodiment, an example in which the electronic device is applied to a mobile terminal (smart phone) is described. However, the present invention is not limited to this, and a mobile phone, a mobile information terminal, a digital camera, a mobile game machine, a mobile phone It can be applied to a type sound player, a tablet terminal and other electronic devices.

F Fingertip G Protective gap S String H Hanging holder 1 Waterproof case 2 Blister case 3 Holding frame 4 Front case 4a Front storage part 4b Front outer edge part 4c Front protrusion part 4d Front through hole 4e Home operation button storage part 4f Speaker protection part 4g Speaker protection part hole 4h Ventilation sheet 4i Fitting convex part 4j Outer edge bulging part 4k Touch panel operation surface 4m Front projection part 5 Rear case 5a Rear storage part 5b Rear outer edge part 5c Rear protrusion part 5d Rear through hole 5e Telephone microphone protection part 5f Mating recess 5g Volume control button storage 5h Talk button storage 5i Talk button bulge 5j Talk button rib 5k Power / sleep button storage 5m Lens cover surface 5n Lens cover surface guard 5p Leg 5r Rear projection 6 Polyline 6a Punching hole 6b Perforation 7 Upper flex 7a Upper frame holding groove 7b Upper frame lock 7c Upper frame protrusion 7d Upper frame through hole 8 Lower frame 8a Lower frame holding groove 8b Lower frame lock 8c Lower frame protrusion 8d Lower frame through hole 9 Hinge 100 Mobile terminal 101 Case 102 Touch Panel Monitor 103 Home Operation Button 104 Speaker 105 Volume Control Button 106 Talk Button 107 Power / Sleep Button 108 Camera Camera Lens

Claims (7)

A first main surface provided with a touch panel monitor, a second main surface opposite to the first main surface, the first main surface and the second main surface are connected, and at least one pressing operation is performed. In a waterproof case used for an electronic device having a side surface with an operation button to be operated,
A first holding portion and a second holding portion formed from a transparent plastic sheet; a first outer edge portion and a second holding portion whose outlines overlap each other around each of the first holding portion and the second holding portion; The electronic device is detachably attached to the first holding unit and the second holding unit in the open state, and the electronic device is connected to the first holding unit and the first holding unit in the stored state. A blister case that is held on the inner surface of the holding portion of 2;
A holding frame that surrounds the outer periphery of the blister case and holds the electronic device in the blister case in a watertight manner by sandwiching the first outer edge and the second outer edge with a holding groove;
The outer surface of the first holding portion is in a position recessed from the outer surface of the holding frame on the first holding portion side,
A touch operation surface is provided on the first holding unit facing the surface of the touch panel monitor of the electronic device housed, and the touch panel monitor is touched from the outside of the blister case via the touch operation surface. It is configured to be operable,
The outer surface of the second holding part is in a position protruding from the outer surface of the holding frame on the second holding part side,
The second holding part facing the operation button is provided with a side operation part, and is configured to be able to press the operation button from the outside of the blister case via the side operation part. Waterproof case for electronic equipment. From the second holding portion includes a second holding surface for holding the second main surface of the electronic device, and a second side surface connecting the second holding surface and the front Stories second extension portion Configured,
The first holding unit is composed of a first holding surface and a first side surface, like the second holding unit,
The first holding surface protrudes from the first outer edge portion by a predetermined step in the second main surface direction,
In addition to the thickness of the electronic device, the second holding surface protrudes from the second outer edge in the direction of the second main surface by the predetermined step,
2. The first holding unit is configured to be capable of mutual positioning by fitting the first holding unit into a recess formed when the electronic device is housed on the inner surface of the second holding unit. Waterproof case for electronic devices as described. An inner edge side of at least one of the first outer edge portion and the second outer edge portion has an endless outer edge bulging portion of a predetermined height continuously projecting, and the holding frame 3. The electronic device according to claim 1, wherein the electronic device in the blister case is configured to be watertightly accommodated by press-contacting an outer edge bulging portion and an inner surface of the other outer edge portion. 4. Waterproof case for equipment. 4. The electronic apparatus according to claim 3, wherein a protrusion having a predetermined height is provided on at least one outer surface of the outer edge portion located on the inner surface of the holding frame so as to contact the inner surface of the holding frame. Waterproof case. 5. The waterproof case for an electronic device according to claim 1, wherein the blister case is formed by injection molding a transparent resin made of a block copolymer of methyl methacrylate and butyl acrylate. The holding frame is configured to be openable and closable by an opening end, and has a lock portion that locks the opening end in a closed state. When the opening end is closed, the holding frame penetrates each other in the vicinity of both ends of the opening end. A first through hole is provided, and a second through hole penetrating each other is provided at an outer edge of the blister case, and when the opening end of the holding frame is closed, the first through hole and the second through hole are closed. The waterproof case for an electronic device according to claim 1, wherein the through holes penetrate each other. The first holding portion and the first outer edge portion are substantially flush with each other, and the first outer edge portion has an endless outer edge bulging portion having a predetermined height that continuously protrudes toward the inner surface side. The waterproof case for an electronic device according to claim 1, wherein the waterproof case is provided.

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