JP2012119627A - Portable terminal apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To stabilize the fixing of a packing to a portable terminal apparatus body by smoothing adhesion of an adhesive portion of the packing only to a bottom surface of a fitting groove to implement correct fixing in the fitting groove.SOLUTION: A portable terminal apparatus 1 includes: a portable terminal apparatus body 2; a battery cover 5 mounted on a lower surface of the portable terminal apparatus body 2; and a substantially annular packing 3 held between the lower surface of the portable terminal apparatus body 2 and the battery cover 5. The lower surface of the portable terminal apparatus body 2 has a substantially annular fitting groove 8 in which the packing 3 can be fitted. The packing 3 has a normal width portion 3A extending longitudinally of the packaging 3 and having a width dimension capable of fitting in the substantially annular fitting groove 8, a small width portion 3B disposed in at least one region along the length of the packing 3 and having a smaller width dimension than the normal width portion 3A, and a double adhesive tape 9 disposed on a face of the small width portion 3B facing a bottom surface 8a of the fitting groove 8 so as to adhere to the bottom surface 8a of the fitting groove 8.

Description

  The present invention relates to a portable terminal device used as a remote control device for remotely operating a karaoke device, for example.

  For example, as a sealing mechanism at a joint portion between members, a fitting groove is provided on the surface of one member, and a sealing member such as packing is fitted into the fitting groove so that the other member is in close contact with the sealing member. Therefore, many sealing mechanisms that seal the inside of the sealing member are used.

  As a prior art regarding the sealing structure in such a fitting groove, for example, the one described in Patent Document 1 is already known. In this prior art, a locking portion having an L-shaped cross-section is provided at every position of the fitting groove. In the locking portion, the side wall on one side of the fitting groove is open and opened, and the L-shaped cross-sectional shape is formed by the side wall and the bottom surface on the other side. With this structure, the seal member fitted in the fitting groove can be prevented from dropping by being locked to the opening.

JP-A-8-300482

  By the way, for example, in order to remotely operate a karaoke apparatus, a portable terminal such as an electronic quick sample (hereinafter referred to as a portable terminal apparatus) is conventionally provided as a remote controller. Generally, since the karaoke apparatus main body has a large case, it is disposed in a corner of the room. The user can operate the main body of the karaoke apparatus via, for example, infrared communication by operating a small portable terminal device placed on a table. However, in many cases, food and drinks are also placed on the desktop together with the portable terminal device. Therefore, considering the possibility of the desktop getting wet, it is necessary to provide the sealing mechanism as described above for waterproofing at the joint portion where the battery cover or the like is mounted on the lower surface of the portable terminal device.

  Here, the structure which opens the side wall of the one side of a fitting groove like the said prior art is not enough as a sealing mechanism for the said waterproofing purpose. In particular, in the case of a portable terminal device, the battery cover on the lower surface is frequently attached and detached. Therefore, it is necessary to securely fix the seal member in the fitting groove to prevent the drop. Therefore, when the sealing member is fixed, the entire sealing member is fitted into the fitting groove, and the fitting groove bottom surface (upper surface) of the sealing member is fitted via an adhesive portion such as an adhesive or a double-sided tape. The method of sticking and sticking to the bottom face of a groove can be considered.

  However, in this case, for example, when the operator holds a thin linear or annular sealing member such as an O-ring or packing and inserts it into the thin annular fitting groove, the adhesive portion of the sealing member is fitted. It is easy to accidentally attach not to the bottom of the groove but to the edge or side of the fitting groove. Therefore, it is difficult to smoothly stick the adhesive portion of the seal member only to the bottom surface of the fitting groove and to correctly fix the sealing member in the fitting groove.

  An object of the present invention is to stably fix the sealing member to the mobile terminal device body by smoothly sticking the adhesive portion of the sealing member only to the bottom surface of the fitting groove and correctly fixing the sealing member in the fitting groove. An object of the present invention is to provide a portable terminal device that can be used.

  In order to achieve the above object, a first invention includes a mobile terminal device body, a cover member mounted on a lower surface of the mobile terminal device body, and a lower surface of the mobile terminal device body and the cover member. A portable terminal device having a substantially linear or substantially annular packing to be sandwiched, wherein a lower surface of the main body of the portable terminal device has a substantially annular fitting groove into which the packing can be fitted, and the packing Is provided in at least one place along the longitudinal direction of the packing, and a normal width portion extending along the longitudinal direction of the packing and having a width dimension that can be fitted into the substantially annular fitting groove. A small width portion having a width dimension smaller than the normal width portion; and a pressure-sensitive adhesive portion that is provided on the bottom surface side of the fitting groove of the small width portion and is attached to the bottom surface of the fitting groove; It is characterized by having.

  The portable terminal device according to the first aspect of the present invention includes a substantially linear or substantially annular packing for waterproofing or the like between the portable terminal device main body and a cover member such as a battery cover attached to the lower surface thereof. . A substantially annular fitting groove for fitting and fixing the entire packing is provided on the lower surface of the mobile terminal device body. When fixing the packing, the entire packing is fitted into the fitting groove, and the bottom surface (upper surface) of the packing fitting groove is pasted on the bottom surface of the fitting groove through an adhesive or an adhesive part such as double-sided tape. Wear and stick.

  Here, when the operator holds a thin linear or annular member such as packing and inserts it into the thin annular fitting groove, the adhesive portion of the packing is not the bottom surface of the fitting groove but the fitting groove. Easily attached to the edges and sides of Therefore, it is difficult to smoothly stick the adhesive part of the packing only to the bottom surface of the fitting groove, and to correctly fix the packing in the fitting groove.

  Therefore, in the first invention of the present application, at least one portion along the longitudinal direction of the packing is provided with a small width portion having a smaller width dimension than the other normal width portions, and the bottom surface of the fitting groove of the small width portion. The adhesive portion is provided only on the upper surface. As a result, when inserting the packing into the fitting groove, the narrow width portion of the packing having the adhesive portion is smoothly fitted into the fitting groove while being separated from the edge or side surface of the fitting groove. The adhesive part provided on the bottom face side of the groove can be fastened and fixed to the bottom part of the fitting groove quickly and reliably. At that time, in the normal width portion other than the narrow width portion, since the adhesive portion is not provided, there is no adhesion to the edge or side surface of the fitting groove as in the conventional structure, and the fitting groove is simply fitted. Can be fitted.

  As a result, the adhesive portion of the packing can be smoothly adhered only to the bottom surface of the fitting groove and the packing can be correctly fixed in the fitting groove, so that the packing can be stably fixed to the mobile terminal device body.

  In order to achieve the above object, the second invention provides a portable terminal device body, a cover member mounted on a lower surface of the portable terminal device body, and a lower surface of the portable terminal device body and the cover member. A portable terminal device having a substantially linear or substantially annular packing to be sandwiched, wherein the lower surface of the portable terminal device body has a substantially annular fitting groove into which the packing can be fitted, and the fitting The groove is extended along the groove direction, and is provided in a normal groove part having a width dimension capable of fitting the packing, and at least one place along the groove direction, and has a larger width dimension than the normal groove part. And the packing is provided on a bottom surface side of the thick groove portion in a region corresponding to the thick groove portion of the fitting groove, and is attached to the bottom surface of the thick groove portion. It has an adhesive part.

  The portable terminal device according to the second aspect of the present invention includes a substantially linear or substantially annular packing for waterproofing or the like between the portable terminal device body and a cover member such as a battery cover attached to the lower surface of the portable terminal device body. . A substantially annular fitting groove for fitting and fixing the entire packing is provided on the lower surface of the mobile terminal device body. When fixing the packing, the entire packing is fitted into the fitting groove, and the bottom surface (upper surface) of the packing fitting groove is pasted on the bottom surface of the fitting groove through an adhesive or an adhesive part such as double-sided tape. Wear and stick.

  In the second invention of the present application, a thick groove portion having a width dimension larger than that of other normal groove portions is provided in at least one place along the groove direction in the fitting groove of the mobile terminal device body. Moreover, the packing has provided the adhesion part in the surface (upper surface) of the bottom face side of the thick groove part of the area | region corresponding to the thick groove part of a fitting groove. As a result, when the packing is inserted into the fitting groove, the portion with the adhesive portion (the portion corresponding to the thick groove portion) is smoothly fitted into the thick groove portion in a state of being separated from the edges and side surfaces of the thick groove portion. The adhesive part provided on the bottom face side of the thick groove part can be fastened and fixed to the bottom part of the thick groove part quickly and reliably. At that time, since the adhesive portion is not provided in the packing corresponding to the normal groove portion other than the thick groove portion, there is no adhesion to the edge or side surface of the fitting groove as in the conventional structure, and it is a simple fit. Can be fitted into the normal groove of the fitting groove.

  As a result, the adhesive portion of the packing can be smoothly adhered only to the bottom surface of the fitting groove and the packing can be correctly fixed in the fitting groove, so that the packing can be stably fixed to the mobile terminal device body.

  According to the present invention, since the adhesive portion of the seal member can be smoothly adhered only to the bottom surface of the fitting groove and the sealing member can be correctly fixed in the fitting groove, the sealing member can be stably attached to the mobile terminal device body. Can be fixed.

It is the figure which represented the state which mounted the portable terminal device of one embodiment of this invention correctly by the perspective view. It is the figure showing the state which decomposed | disassembled each member with which the lower surface of the portable terminal device was mounted | worn. It is the bottom view, front view, and top view of packing. It is a figure explaining the fixation aspect to the fitting groove in a normal width part. It is a figure explaining the fixation aspect to the fitting groove in a small width part. It is a bottom view of a portable terminal device body. It is a bottom view of the fitting groove of the modification which provided packing with the same width dimension and provided the thick groove part in the fitting groove. It is the bottom view, front view, and top view of a packing of the modification which provided the thick groove part in the fitting groove | channel with the packing of the same width dimension. It is a figure explaining the fixation aspect of the packing in a thick groove part of the modification which provided the thick groove part in the fitting groove with the packing as the same width dimension.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. This embodiment is an embodiment when the portable terminal device of the present invention is applied to karaoke.

  The overall configuration of the mobile terminal device of this embodiment will be described with reference to FIGS. 1 and 2. FIG. 1 is a perspective view showing a state in which the mobile terminal device 1 is placed in a normal use state. Hereinafter, the vertical direction in FIG. 1 is the vertical direction in the mobile terminal device 1. 2 shows a state in which each member mounted on the lower surface of the mobile terminal device 1 is disassembled. The upper direction in FIG. 2 corresponds to the lower direction in FIG. The direction corresponds to the upward direction in FIG.

  1 and 2, the mobile terminal device 1 includes a mobile terminal device body 2, a packing 3, a battery pack 4, and a battery cover 5.

  As shown in FIG. 1, a touch panel 6 having both a display function and an operation function is provided at the center of the upper surface of the mobile terminal device body 2. The touch panel 6 displays an operation menu, a program (not shown in the drawing) and the like, and a user touches a predetermined display button with a fingertip or the like so that a corresponding operation command is not particularly shown. Send to the main unit via infrared communication. Various dedicated buttons 7 for performing operations such as performance stop, performance speed adjustment, volume adjustment and the like are provided below the touch panel 6 (front side in the figure).

  As shown in FIG. 2, a substantially rectangular fitting groove 8 is formed in an annular shape on the lower surface of the mobile terminal device body 2. The fitting groove 8 has substantially the same widthwise dimension over the entire circumference (see FIGS. 4 and 5 described later).

  The packing 3 is made of, for example, a waterproof or elastic material such as rubber or polymer, and the entire shape thereof is formed in a substantially rectangular shape substantially the same as the fitting groove 8 (or a substantially linear string shape). May be fitted into the fitting groove 8). The packing 3 is fixed to the mobile terminal device body 2 by being fitted inside the fitting groove 8 and by being partially attached inside the fitting groove 8. The detailed configuration of the packing 3 and the manner of fixing to the fitting groove 8 will be described in detail later.

  The battery pack 4 includes a battery therein, and is connected to the lower surface of the mobile terminal device main body 2 by a connector, a locking portion, or the like provided at an appropriate position in the annular shape of the fitting groove 8. It is configured to be possible.

  The battery cover 5 is attached to the battery pack 4 connected to the lower surface of the mobile terminal device body 2 so as to cover the whole. When the battery cover 5 is attached to the lower surface of the mobile terminal device body 2, the outer peripheral edge of the battery cover 5 is in close contact with the packing 3 over the entire periphery. Thereby, the whole packing 3 is closely clamped between the portable terminal device main body 2 and the battery cover 5, and the area | region in the cyclic | annular form is sealed so that waterproofing is possible. The battery cover 5 functions as a cover member described in each claim.

  When the packing 3 is viewed from the lower side (upper side in FIG. 2) of the portable terminal device 1, the appearance shown in FIG. 3 (a) is obtained, and when viewed from the front side (left front side in FIG. 2), FIG. When viewed from above (lower in FIG. 2), the appearance shown in FIG. 3C is obtained.

  As shown in FIGS. 3A to 3C, the packing 3 has a normal width portion 3A and a small width portion 3B. The normal width portion 3 </ b> A extends along the longitudinal direction of the packing 3 and has a width dimension that can be fitted into the fitting groove 8. The small width portion 3B is provided at at least one location (six locations in this example) along the longitudinal direction of the packing 3, and has a smaller width dimension than the normal width portion 3A. The most part of the packing 3 is usually the width part 3A, and each of the long sides of the two sides of the entire substantially rectangular shape has two locations, each of the short sides of the two sides has one center, and the same length. A narrow portion 3B is provided. And the upper surface in the region of each narrow portion 3B, that is, the surface facing the bottom surface 8a of the fitting groove 8 (see FIGS. 4A and 4B described later), the bottom surface of the fitting groove 8 respectively. A double-sided tape 9 for adhering to 8a is provided. In this embodiment, the double-sided tape 9 functions as an adhesive portion described in each claim, but instead of this, an adhesive or the like may be applied to the same region to function as an adhesive portion.

  Here, the fixing aspect in each of the said normal width part 3A and the said small width part 3B at the time of inserting the packing 3 in the fitting groove | channel 8 is demonstrated. In the case of the normal width portion 3 </ b> A, the fixing state is as shown in FIG. 4 corresponding to the section taken along the arrow IV-IV in FIG. 2. 4 corresponds to the downward direction in FIG. 1, and the downward direction in FIG. 4 corresponds to the upward direction in FIG. 1 (the same applies to FIG. 5 described later). As shown in FIG. 4A, the width dimension Wn in the normal width portion 3A is set to be substantially the same as the width dimension Wm of the fitting groove 8 having a substantially U-shaped cross section. For this reason, when the normal width portion 3A is inserted into the fitting groove 8 as shown in FIG. 4B, the normal width portion 3A can be simply fitted into the fitting groove 8 as described above. Note that the width dimension Wn of the normal width part 3A is set slightly larger than the width dimension Wm of the fitting groove 8 so that the fitting of the normal width part 3A to the fitting groove 8 has an intermediate fitting or tight fitting relationship. May be.

  On the other hand, in the case of the small width part 3B, it becomes a fixed aspect as shown in FIG. 5 corresponding to the arrow VV cross section in the said FIG. That is, as shown in FIG. 5A, the width dimension Ws in the small width part 3B is set smaller than the width dimension Wn of the normal width part 3A as described above, that is, the width dimension Ws of the small width part 3B is fitted. It is set smaller than the width dimension Wm of the groove 8. Further, as described above, the double-sided tape 9 is provided on the upper surface (the lower surface in FIGS. 5A to 5C) of this narrow portion 3B, that is, the surface corresponding to the bottom surface 8a side of the fitting groove 8. Is provided. For this reason, when the narrow part 3B is inserted into the fitting groove 8 as shown in FIG. 5 (b), the upper surface of the narrow part 3B (the lower surface in FIGS. 5 (a) to 5 (c)). It can be attached to the bottom surface 8 a of the fitting groove 8.

  That is, in the present embodiment, when the packing 3 is inserted into the fitting groove 8, the small width portion 3 </ b> B provided with the double-sided tape 9 is smoothly separated from the edge 8 c and the side surface 8 b of the fitting groove 8. The double-sided tape 9 provided on the bottom surface 8a side of the fitting groove of the packing 3 can be fastened and fixed to the bottom of the fitting groove 8 by being fitted into the fitting groove 8. At that time, since the double-sided tape 9 is not provided in the normal width portion 3A other than the narrow width portion 3B, there is no adhesion to the edge portion 8c and the side surface 8b of the fitting groove 8 as in the conventional structure, and the simple fit. Can be fitted into the fitting groove 8.

  As a result, according to the present embodiment, the double-sided tape 9 of the packing 3 can be smoothly stuck only to the bottom surface of the fitting groove 8 and the packing 3 can be correctly fixed in the fitting groove 8. The terminal device body 2 can be stably fixed.

  The small width portion 3B is desirably arranged at the center position in the width direction of the normal width portion 3A as much as possible so that it can be separated from the edges 8c and the side surfaces 8b on both sides of the fitting groove 8 by a sufficient distance. In addition, the packing 3 and the fitting groove 8 are not limited to an annular shape, and may be formed in a linear shape so that they can be fitted.

  Further, since the packing 3 is made of an elastic material as described above, when the packing 3 is manually inserted, the packing 3 is stretched in the longitudinal direction, and each of the small width portions 3B is in an inappropriate position. May be stuck to the fitting groove 8. On the other hand, as shown in FIG. 6 showing the bottom view of the mobile terminal device body 2, markings 10 as marks are provided in the vicinity of the fitting grooves 8 at positions where the respective narrow portions 3B should be properly inserted. It may be provided. In this case, even when the packing 3 is manually inserted into the fitting groove 8, it is possible to insert the narrow portion 3 </ b> B at the position of each marking 10 without improper distortion inside the packing 3. It can be inserted properly.

  The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the spirit and technical idea of the present invention. For example, in the above embodiment, the width dimension is made the same over the entire circumference of the fitting groove 8, and the small width portion 3 </ b> B is provided at a predetermined location of the packing 3, and only the region is adhered. Not limited to. For example, it is good also as a structure which makes the width dimension the same over the perimeter of a packing, provides a thick groove part in the predetermined location of a fitting groove, and affixes packing in the area | region corresponding to these thick groove parts.

  The fitting groove 11 in this modification has a normal groove 11A and a thick groove 11B as shown in FIG. 7 which is a bottom view of the main part of the portable terminal device body 2 of this modification. The normal groove portion 11A has a width dimension that extends along the groove direction so that the packing 12 can be fitted. The thick groove portions 11B are provided at six locations in this example along the groove direction and have a larger width dimension than the normal groove portions 11A. Most portions of the fitting groove 11 are usually groove portions 11A, which are arranged at two locations on the long side portion of the two sides in the entire substantially rectangular shape, and at the same length in the arrangement of one central portion on the short side portion of each side. A thick groove 11B is provided on the top.

  FIGS. 8A to 8C are diagrams corresponding to FIGS. 3A to 3C in the above embodiment, respectively. As shown in FIGS. 8A to 8C, the packing 12 in this modification is set to have the same width dimension over the entire circumference. And in this packing 12, the double-sided tape 9 for sticking to the bottom face 11Ba (refer FIG. 9 mentioned later) of the thick groove part 11B on the upper surface of the area | region corresponding to the thick groove part 11B of the said fitting groove | channel 11 adheres, respectively. It is provided as a part.

  In the case of the fitting groove 11 and the packing 12 having the above-described configuration, the packing 12 is inserted into the normal groove portion 11A and fixed in the normal groove portion 11A in a fixing manner equivalent to that in FIG. On the other hand, the thick groove portion 11B is fixed as shown in FIG. 9 corresponding to FIG. That is, as shown in FIG. 9A, the width dimension Wm2 in the thick groove part 11B is set to be larger than the width dimension Wm of the normal groove part 11A as described above, that is, the width dimension Wm2 of the thick groove part 11B is It is set to be larger than the width dimension Wn. Further, as described above, the double-sided tape 9 is provided on the upper surface (the lower surface in FIG. 9) of the packing 12 corresponding to the thick groove portion 11B, that is, the surface corresponding to the bottom surface side of the thick groove portion 11B. . For this reason, as shown in FIG. 9B, when the packing 12 is inserted into the thick groove portion 11B, the upper surface of the packing 12 can be adhered to the bottom surface 11Ba of the thick groove portion 11B.

  As described above, in this modification, when the packing 12 is inserted into the fitting groove 11, a part of the double-sided tape 9 (part corresponding to the thick groove part 11 </ b> B) is changed to the edge part 11 </ b> Bc of the thick groove part 11 </ b> B. The double-sided tape 9 provided on the bottom surface side of the thick groove portion of the packing 12 can be quickly and surely adhered and fixed to the bottom portion 11Ba of the thick groove portion 11B while being smoothly fitted into the thick groove portion 11B while being separated from the side surface 11Bb. it can. At that time, since the double-faced tape 9 is not provided on the packing 12 corresponding to the normal groove portion 11A other than the thick groove portion 11B, the edge portion 11Ac and the side surface 11Ab of the fitting groove 11 as in the conventional structure are provided. There is no adhesion, and it can be fitted into the normal groove 11A of the fitting groove 11 by simple fitting. As a result, the same effects as those of the above-described embodiment can be obtained in this modified example.

  In the case of this modification, the thick groove portion 11B can be used as a substitute for the marking 10 shown in FIG. In other words, when the packing 12 is manually inserted into the fitting groove 11, by inserting the portion provided with the double-sided tape 9 of the packing 12 so as to be aligned with each thick groove portion 11B, inappropriate distortion is caused inside the packing 12. It can be inserted properly without giving.

  In addition to those already described above, the methods according to the above-described embodiments and modifications may be used in appropriate combination.

  In addition, although not illustrated one by one, the present invention is implemented with various modifications within a range not departing from the gist thereof.

DESCRIPTION OF SYMBOLS 1 Portable terminal device 2 Portable terminal device main body 3 Packing 3A Normal width part 3B Small width part 4 Battery pack 5 Battery cover (cover member)
6 Touch panel 7 Dedicated button 8 Fitting groove 9 Double-sided tape (adhesive part)
10 Marking 11 Fitting groove 11A Normal groove 11B Thick groove 12 Packing

Claims (2)

A mobile terminal device body;
A cover member mounted on the lower surface of the mobile terminal device body;
A substantially linear or substantially annular packing sandwiched between the lower surface of the mobile terminal device body and the cover member;
A mobile terminal device having
The lower surface of the mobile terminal device body is
A substantially annular fitting groove capable of fitting the packing;
The packing is
A normal width portion extending along the longitudinal direction of the packing and having a width dimension that can be fitted into the substantially annular fitting groove;
A small width portion provided in at least one location along the longitudinal direction of the packing, and having a width dimension smaller than the normal width portion;
An adhesive portion that is provided on the bottom surface of the fitting groove of the narrow width portion and is attached to the bottom surface of the fitting groove;
A portable terminal device comprising: A mobile terminal device body;
A cover member mounted on the lower surface of the mobile terminal device body;
A substantially linear or substantially annular packing sandwiched between the lower surface of the mobile terminal device body and the cover member;
A mobile terminal device having
The lower surface of the mobile terminal device body has a substantially annular fitting groove into which the packing can be fitted,
The fitting groove is
A normal groove having a width dimension extending along the groove direction and capable of fitting the packing;
A thick groove portion provided in at least one position along the groove direction, and having a larger width than the normal groove portion;
Have
The packing is
A portable terminal device comprising an adhesive portion provided on a bottom surface side of the thick groove portion in a region corresponding to the thick groove portion of the fitting groove, and attached to the bottom surface of the thick groove portion.

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