JP2014204419A - Personal digital assistant case - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a personal digital assistant case that has charm in design in addition to a practical aspect and its appearance is able to satisfy the taste of a user.SOLUTION: A case 10 is made by coupling a front frame 11 made of a thin titanium plate and arranged at the front surface side of a smart phone 1 and a back plate 12 made of a thin titanium plate and arranged at the rear surface side by coupling parts 13 made up of pipes and screws at four corner parts. The back plate 12 includes a generally X-shaped bridge plate part 15 integrally provided at the inside of a frame part 14, and in its center, a screw hole 19 is provided in order to detachably attach an ornamental part 18.

Description

  The present invention relates to a case for a portable information terminal such as a smartphone or a tablet terminal.

  In recent years, portable information terminals such as mobile phones and smartphones have become widespread, and various accessories have been provided. For example, as a cellular phone case that accommodates a cellular phone, a container (bag shape) made of a flexible material made of synthetic resin (vinyl chloride) has been known (see, for example, Patent Document 1). This has a configuration in which an upper / lower end has an entrance for inserting / removing a mobile phone, and a rear side has a fixing portion for passing it through a user's belt.

JP 2001-464984 A

  The conventional case for a mobile phone as described above is merely a sheath for protecting the mobile phone when being carried, and has no decoration and is practically troublesome. Therefore, it is not attractive as a product for users, and a case with design appeal is desired.

  In general, this type of case is regarded as a mass-produced product. However, with the recent diversification of consumer preferences, many users desire an original appearance that is not uniform. It is coming. In the case of a conventional mobile phone case, it is necessary to put it in and out of the case each time the mobile phone is used, and it cannot always be protected because it cannot be protected when the mobile phone is used.

  The present invention has been made in view of the above circumstances, and its purpose is to provide a design appeal in addition to a practical aspect, and can be adapted to the user's preference in terms of appearance. In providing a case.

  In order to achieve the above object, a portable information terminal case of the present invention includes a front frame disposed on a front surface side of a portable information terminal, a back plate disposed on a back surface side of the portable information terminal, and the front frame. And a back plate with connecting portions at a plurality of locations on the outer edge side portion of the portable information terminal with the portable information terminal sandwiched therebetween, and decorative parts are detachably attached to the back plate. It is characterized in that the mounting portion is provided (invention of claim 1).

  In the above configuration, the portable information terminal is accommodated in the portable information terminal case in a state of being sandwiched between the front frame disposed on the front surface side and the back plate disposed on the rear surface side. At this time, since the attachment part is provided on the back plate, the user can attach the decorative part to the attachment part according to his / her preference. Further, in this case, it is possible to selectively attach a user's desired one from among a plurality of decorative parts, or to exchange according to the mood.

  In the case of the portable information terminal of the present invention, since the front frame is only disposed on the surface side of the portable information terminal, the most part of the surface of the portable information terminal can be opened. This eliminates the need to block parts related to operation and display. Accordingly, the portable information terminal case can be kept worn not only when carrying but also when using the portable information terminal.

  In the portable information terminal case of the present invention, the front frame and the back plate can be made of titanium (invention of claim 2). By making the front frame and the back plate made of titanium, while having a relatively light weight, high strength is obtained, and there is a feature that it is difficult to get dirty and excellent in aesthetics, and a high-class feeling and profound feeling can be obtained for the user.

  According to the portable information terminal case of the present invention, the front frame disposed on the front side of the portable information terminal, the back plate disposed on the back side of the portable information terminal, and the front frame and the back plate are coupled. And a connecting part to which the decorative part is detachably attached to the back plate, so that it has a design appeal in addition to a practical aspect. There is an excellent effect that it is possible to cope with the preference.

The perspective view from the back side which shows one Example of this invention and shows a mode that the smart phone was accommodated in the case The perspective view which shows the state which accommodated the smart phone in the case in the state which fell down the whole Exploded perspective view showing the assembled state of the case An exploded perspective view (a) from the back side showing the attachment structure of the decorative parts to the back plate, and a back view (b) showing a state where different types of decorative parts are attached. FIG. 1 equivalent view showing another embodiment

  Hereinafter, an embodiment in which the present invention is applied to a case for a smartphone as a portable information terminal will be described with reference to FIGS. First, the smart phone 1 as a portable information terminal will be briefly described. As shown in FIG. 2 and FIG. 3, the smartphone 1 includes a display 2 having a touch panel, operation keys 3, a transmitter, a receiver, and the like on the front surface (front surface) of the main body having a slightly vertically long rectangular panel shape. ing. Further, as shown in FIGS. 1 and 4, a camera (lens) 4 and the like are provided on the back surface (back surface) side of the main body. Further, although not shown in detail, other operation keys, an infrared communication unit, an antenna, a connector (jack), a slot for inserting a memory, and the like are provided on the peripheral part (side part and upper part) of the main body.

  The portable information terminal case 10 according to the present embodiment includes a front frame 11 disposed on the front surface side of the main body of the smartphone 1 and a back plate 12 disposed on the back surface side of the smartphone 1 as illustrated in FIG. 3 and the like. Are connected by connecting portions 13 at a plurality of locations (four corner portions) with the smartphone 1 sandwiched from the front and rear. The front frame 11 and the back plate 12 are made of, for example, a titanium thin plate having a thickness of 1.5 mm, and are manufactured by laser cutting.

  2 and 3, the front frame 11 as a whole has an outer shape that is slightly larger than the front outer shape of the smartphone 1, the inner rectangular opening is smaller than the front outer shape of the smartphone 1, and the display 2 and the operation keys 3. It has a substantially rectangular frame shape with the whole exposed. In this case, the front frame 11 has a form in which a part (center part) of the lower side is divided. Further, the four corner portions (corner portions) 11a of the front frame 11 are configured to be wide and rounded so as to bulge outwardly, and two pieces are connected to each of the corner portions 11a. Screw insertion hole 11b is formed.

  As shown in FIGS. 1, 3, and the like, the back plate 12 includes a frame portion 14 positioned at the outer peripheral edge portion, and a transfer plate portion provided in a form connected to the frame portion 14 inside the frame portion 14. 15 and a single unit. Details of the transfer plate portion 15 will be described later. The frame portion 14 is provided in a substantially symmetric (mirror symmetry) form with the front frame 11. Accordingly, each corner portion 14a of the frame portion 14 is configured to be wide and rounded so as to bulge outward. Only the upper right corner 14a is recessed inward. In correspondence with the screw insertion holes 11b of the front frame 11, two connecting screw holes 14b are formed in each corner portion 14a.

  And as shown in FIG. 3, the said connection part 13 is a spacer which ensures the predetermined space | interval between the said front frame 11 (corner part 11a) and the backplate 12 (corner part 14a) in the present Example. A stainless steel pipe 16 and a stainless steel screw (screw) 17 for connecting the front frame 11 and the back plate 12 to each other. Each screw 17 is passed from the front to the screw insertion hole 11b of the corner portion 11a of the front frame 11 and is inserted into the pipe 16 as a spacer, and the screw of the corner portion 14a of the frame portion 14 of the back plate 12 is inserted. The front frame 11 and the back plate 12 are connected by being screwed into the hole 14b.

  In this case, the pipe 16 and the screw 17 are located at the four corner portions of the smartphone 1, respectively, and a total of eight pieces, each of two pieces (two sets), are provided. The position of the connecting portion 13 at this time is also determined for each model of the smartphone 1 so as not to hinder the functions as the smartphone 1 (key operation by the user, connection of connectors, etc.). Although not shown in detail, the hole formed in the head of the screw 17 has a special shape, for example, a star shape, and an L-shaped bar wrench dedicated to the screw 17 is provided as an accessory. It has become.

  In addition, since the size (outer shape) of the main body and the component arrangement position on the front surface are different for each model of the smartphone 1, the front frame 11 and the back plate 12 are sized (size) and shape according to the model of the smartphone 1. To be produced. The lengths of the pipe 16 and the screw 17 of the connecting portion 13 are also determined by the thickness of the smartphone 1. In addition, by applying various coloring to the front frame 11 and the back plate 12 by painting, the case 10 with more variety can be provided.

  Now, the transfer plate portion 15 will be described. As shown in FIGS. 1, 4, etc., the transfer plate portion 15 is in a substantially rectangular region inside the frame portion 14, and has a substantially X-shaped plate shape extending obliquely (diagonally). I am doing. In addition, as a design, a plurality of circular holes 15a are formed in the transfer plate portion 15 side by side in an obliquely extending direction. These holes 15a are provided such that the diameter dimension gradually increases from the center to the outside. At this time, the transfer plate portion 15 avoids (opens) portions that should not be shielded such as the camera 4 and other components (light and electromagnetic wave input / output portions) provided on the back side of the main body of the smartphone 1. Of course, it is formed as follows.

  And, in order to detachably attach a decorative part 18 (only two are illustrated in FIG. 4) to the outer surface (rear surface) of the back plate 12 at the central portion (the central portion where X intersects) of the transfer plate portion 15. A screw hole 19 is provided as a mounting portion. As shown in FIG. 4, the decorative part 18 is made of a thin metal plate such as aluminum or titanium, and has a predetermined pattern (shape). These decorative parts 18 can also be colored in various colors (provided with different colors even in the same shape). Each of these decorative parts 18 is formed with screw holes 18a at appropriate positions.

  When it is necessary to distinguish between the two types of decorative parts 18 shown in FIGS. 4A and 4B, they are distinguished by adding (A) and (B) after the reference numeral “18”. . In this embodiment, the decorative part 18 is formed with a pattern punched into a predetermined shape from a thin metal plate material using a so-called openwork technique used in a space between Japanese houses. Specifically, the decorative part 18 (A) illustrated in FIG. 4A is configured in a “dragon” pattern. The decorative part 18 (B) illustrated in FIG. 4B is configured in a “scorpion” pattern.

  When attaching the decorative part 18 to the case 10 (rear plate 12), as shown in FIG. 4A, the attachment screw 20 is used and this attachment is performed from the rear side of the case 10 (rear plate 12). The machine screw 20 is screwed into the screw hole 19 after passing through the hole 18 a of the decorative part 18. Thus, as shown in FIG. 4B, the decorative part 18 is attached to the outer surface of the back plate 12 so as to be detachable (replaceable). The mounting screw 20 may be provided as an accessory of the case 10 or an accessory of the decorative part 18.

  Next, the operation of the above configuration will be described. The user can purchase the corresponding case 10 according to the type of the smartphone 1 that the user owns, and can also purchase the decorative part 18. In this case, for example, dozens of kinds of decorative parts 18 are commercially available, and the user can purchase one or more kinds of favorite parts from among them.

  When housing the smartphone 1 in the case 10, first, the back plate 12 is arranged on the back side of the main body of the smartphone 1, and the front frame 11 is arranged on the front side so as to be sandwiched from the front and the back. Next, as shown in FIG. 3, at the four corners, the screws 17 are placed in the front frame with the pipes 16 disposed between the front frame 11 (corner portion 11a) and the back plate 12 (corner portion 14a). 11 is inserted into the screw insertion hole 11b of the rear plate 12 while passing through the pipe 16 from the front. Thereby, the front frame 11 and the back plate 12 are connected by the connection portions 13 in eight places in total, and the smartphone 1 is housed in the case 10.

  In this accommodated state, the smartphone 1 is protected by the case 10. For example, even if the smartphone 1 is dropped on the ground or the like, the corners are protected by the case 10 (corner portions 11 a and 14 a) and may be damaged. Can be prevented. In this case, in this embodiment, since the front frame 11 and the back plate 12 are made of titanium, high strength as the case 10 can be obtained while being relatively lightweight. In addition, the case 10 can be completed without opening most of the surface of the smartphone 1 and blocking portions related to operation, display, and the like. As a result, the case 10 can be kept worn not only when it is carried but also when the smartphone 1 is used.

  Since the back plate 12 (the transfer plate portion 15) of the case 10 is provided with a screw hole 19 as an attachment portion, the user can attach the decorative part 18 to the back plate 12 according to his / her preference. it can. The attachment of the decorative part 18 to the back plate 12 (the transfer plate portion 15) can be done by a simple operation such as screwing the mounting screw 20 into the screw hole 19 through the hole 18a of the decorative part 18. The simple work of removing 20 is sufficient.

  At this time, if the user has a plurality of decorative parts 18, the decorative parts 18 can be replaced (changed) according to the user's mood for the day. Not only the commercially available decorative parts 18, but other decorative items may be used or the user may make them by himself. Of course, it is possible to use the case 10 without attaching the decorative part 18. Even without the decorative part 18, the design of the back plate 12 itself is excellent.

  As described above, according to the case 10 of this embodiment, the decorative part 18 can be easily attached to the back plate 12 (the transfer plate portion 15) of the case 10 according to the user's preference. Thereby, it is case 10 provided with the design charm in addition to a practical use, Comprising: The outstanding effect that it becomes possible to make it a thing with high originality corresponding to a user's taste in an external appearance can be acquired. . In addition, in particular, in the present embodiment, the case 10 has features such as a relatively light weight, high strength, and resistance to dirt because the front frame 11 and the back plate 12 are made of titanium. It can be an attractive product with profound feeling.

  FIG. 5 shows a case 21 for a smartphone 1 according to another embodiment of the present invention. The difference from the case 10 of the above embodiment is the shape of the back plate 22 in the case 21. In other words, in this embodiment, the back plate 22 is configured by integrally including the frame portion 23 and the transfer plate portion 24 inside the frame portion 23. Among them, the transfer plate portion 24 has a substantially X-shaped plate shape that also extends obliquely (diagonally) and has four slits 25a as a design.

  These slits 24a extend from the X-shaped central portion of the transfer plate portion 24 in four directions, obliquely up and down, and have a wide end at the center side, and gradually curve while becoming narrower toward the outside. It is formed in the form extended. A screw hole 25 is provided at the center of the transfer plate portion 24 (a central portion where X intersects) as an attachment portion for detachably attaching the decorative part 18. Even in the case 21 having such a configuration, it is possible to obtain the same operation and effect as the case 10 of the above-described embodiment.

  In each of the above-described embodiments, the cases 10 and 21 for the smartphone 1 are taken as specific examples. However, the present invention can be applied to cases of other portable information terminals such as tablet terminals, portable navigation, and book readers other than smartphones. Can also be applied. In addition, the shape and structure of the front frame and back plate frame parts are also provided with wavy anti-slip parts (grip shape on the side (the part that the user grips)), and various front and back plate frame parts. In addition, various modifications can be made to the structure of the connecting portion of the case, the material of the entire case, the shape of the decorative part, etc., and the present invention does not depart from the spirit of the invention. It can be implemented with appropriate modifications.

  In the drawings, 1 is a smartphone (portable information terminal), 10 and 21 are cases, 11 is a front frame, 12 and 22 are back plates, 13 is a connecting portion, 14 and 21 are frame portions, and 15 and 23 are transfer plate portions, 18 is a decorative part, 19 and 25 are screw holes (mounting portions), and 20 is a mounting screw.

Claims (2)

A front frame disposed on the front side of the portable information terminal,
A back plate disposed on the back side of the portable information terminal;
A connecting portion that connects the front frame and the back plate at a plurality of locations on the outer edge side portion of the portable information terminal with the portable information terminal sandwiched therebetween,
A case for a portable information terminal, wherein the back plate is provided with an attachment portion to which a decorative part is detachably attached.   The portable information terminal case according to claim 1, wherein the front frame and the back plate are made of titanium.

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