JP2014086645A - Portable electronic apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable electronic apparatus which can be decomposed easily.SOLUTION: A portable electronic apparatus includes a housing having a first case, and a second case being bonded to the first case with an adhesive. A notch which a tool for decomposing the first case and second case can be entered is formed in at least one of the surface of the first case secured to the second case with the adhesive, or the surface of the second case secured to the first case with the adhesive.

Description

  The present invention relates to a portable electronic device having a waterproof function.

  Among portable electronic devices such as mobile phones, PHS, and portable music players, there are portable electronic devices having a waterproof function. For portable electronic devices with a waterproof function, when two or more cases such as a front case and a rear case are connected to form a housing containing an electronic device, a waterproof packing (packing) is placed between the cases. In addition, a watertight structure is provided between the cases (see Patent Document 1).

Japanese Patent Laid-Open No. 10-284855

  Here, in the above watertight structure, a groove is formed in one case, and a waterproof packing is inserted into the groove. However, the watertight structure in which the waterproof packing is inserted into the groove requires an operation of embedding the waterproof packing in the elongated groove, which is troublesome during manufacturing. In order to solve this type of problem, it has been proposed to fix the cases to each other with an adhesive. However, in this case, there is a possibility that the cases are difficult to disassemble.

  The present invention has been made in view of the above circumstances, and an object thereof is to provide a portable electronic device that can be easily disassembled.

  In order to solve the above-described problems and achieve the object, a portable electronic device according to the present invention includes a housing having a first case and a second case fixed to the first case with an adhesive. And at least one of a surface fixed to the second case by the adhesive and a surface fixed to the first case by the adhesive is the first case. A notch part into which a tool for disassembling the case and the second case can enter is formed.

  In addition, one of the first case and the second case includes a component built-in unit that incorporates a functional component, and the component built-in unit has a joint on the outer surface of the first case and the second case. It is more preferable that the first case and the second case have a standing wall that protrudes to the other side from the side including the component built-in part and enters the inside of the outer wall on the other side.

  Moreover, it is preferable that the said notch part is provided in the corner | angular part of the said housing | casing.

  Moreover, it is preferable that the said notch is covered with the lid | cover attached to the said housing | casing.

  The portable electronic device according to the present invention has an effect that the first case and the second case of the housing can be easily disassembled.

FIG. 1 is a perspective view illustrating a schematic configuration of a portable electronic device according to an embodiment as viewed from the front side. FIG. 2 is an exploded perspective view showing a schematic configuration of the portable electronic device according to the embodiment as seen from the front side. FIG. 3 is an exploded perspective view of the schematic configuration of the portable electronic device shown in FIG. 2 as seen from the back side. 4 is a perspective view showing a schematic configuration of the portable electronic device shown in FIG. FIG. 5 is an enlarged perspective view showing a portion IV in FIG. 6 is a cross-sectional view taken along line VV in FIG. FIG. 7 is a perspective view showing a cross section of the casing of the portable electronic device shown in FIG. FIG. 8 is a perspective view showing another cross section of the casing of the portable electronic device shown in FIG. FIG. 9 is a perspective view showing another cross section of the casing of the portable electronic device shown in FIG.

  Hereinafter, the present invention will be described in detail with reference to the drawings. The present invention is not limited to the following description. In addition, constituent elements in the following description include those that can be easily assumed by those skilled in the art, those that are substantially the same, and those in a so-called equivalent range. In the following, a PHS (Personal Handy-phone System) terminal will be taken as an example of a portable electronic device. However, the portable electronic device is not limited to a PHS terminal. For example, a portable phone, a PDA, a portable navigation device, a notebook computer It may be a game machine or the like.

[Embodiment]
A portable electronic device according to an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing a schematic configuration of a portable electronic device according to the embodiment, as viewed from the front side, and FIG. 2 is an exploded perspective view showing the schematic configuration of the portable electronic device according to the embodiment, as viewed from the front side. FIG. 3 is an exploded perspective view of the schematic configuration of the portable electronic device shown in FIG. 2 as seen from the back side, and FIG. 4 is a perspective view of the schematic configuration of the portable electronic device shown in FIG. The portable electronic device 1 according to the embodiment is a PHS terminal having a waterproof function. The portable electronic device 1 is a so-called straight-type PHS terminal including a front case 21 and a rear case 22 to which a housing 2 is attached, as shown in FIGS. 1, 2, and 3. Here, in the present invention, the longitudinal direction of the housing 2 is the length direction, the width direction of the housing 2 is the width direction, and the direction orthogonal to both the length direction and the width direction is the thickness direction. is there.

  The housing 2 is formed in a flat box shape. As shown in FIGS. 1, 2, 3, and 4, the housing 2 includes a front case 21 (corresponding to a first case) disposed on the front side of the portable electronic device 1, and a rear surface of the portable electronic device 1. A rear case 22 (corresponding to a second case) disposed on the side. The front case 21 is made of synthetic resin, and integrally includes a frame-shaped frame-shaped portion 23 and a box-shaped box-shaped portion 24 (corresponding to a component built-in portion). As for the front case 21, the center part of the box-shaped part 24 is comprised with translucent synthetic resin, and the other part is comprised with the light-shielding synthetic resin. As for the front case 21, the frame-shaped part 23 and the box-shaped part 24 are arranged in the said length direction. The front case 21 has an operation unit cover 30 attached to the front side of the frame-like portion 23.

  The rear case 22 is made of synthetic resin and integrally includes a frame-shaped frame-shaped portion 25 (corresponding to a battery built-in portion) and a box-shaped box-shaped portion 26. The rear case 22 has a frame-like portion 25 and a box-like portion 26 arranged in the length direction. The rear case 22 has a plurality of battery covers 27 a and 27 b attached to the back side of the frame-like portion 25. In the embodiment, two battery covers 27a and 27b are provided. The two battery covers 27 a and 27 b are attached to the rear case 22 in such a manner that they are sequentially stacked on the back surface of the frame-like portion 25 of the rear case 22. Further, the battery cover 27b disposed on the outer side of the two battery covers 27a and 27b corresponds to a lid. A watertight structure is formed between the battery cover 27a and the frame-shaped portion 25, which are directly stacked on the rear surface of the frame-shaped portion 25 of the rear case 22. Thereby, the rear case 22 can suppress water from entering the space formed between the frame-shaped portion 25 and the battery cover 27a from the outside, and can make the space a waterproof space. In the watertight structure between the frame-shaped portion 25 of the rear case 22 and the battery cover 27a, a seal member such as a packing is disposed between the frame-shaped portion 25 and the battery cover 27a.

  Further, the casing 2 has a watertight structure between the outer edge portion of the front case 21 and the outer edge portion of the rear case 22 facing each other. Thereby, the housing | casing 2 can suppress that water enters into the space formed between the front case 21 and the rear case 22 from the outside, and can make the said space waterproof. The watertight structure between the front case 21 and the rear case 22 has a surface 22a (surface fixed by an adhesive) facing the front case 21 at the outer edge of the rear case 22, as shown in FIGS. And a convex portion 32 provided on a surface 21a (corresponding to a surface fixed by an adhesive) facing the rear case 22 of the outer edge portion of the front case 21. In the watertight structure, the adhesive 33 applied in the groove 31 keeps the watertight between the inner surface of the groove 31 and the surface of the convex portion 32 and fixes the front case 21 and the rear case 22. In the present embodiment, the housing 2 has an engagement claw 28 provided in the front case 21 engaged with a hole 29 provided in the rear case 22. In addition, the front case 21 and the rear case 22 of the housing 2 are disassembled during maintenance. An easy disassembly structure that facilitates disassembly of the front case 21 and the rear case 22 will be described later.

  Moreover, the portable electronic device 1 is provided with the base | substrate 4, the operation pad 5, the battery 6, etc. as shown in FIG.2 and FIG.3. The base 4, the operation pad 5, the battery 6 and the like are mounted on the housing 2. The base 4 controls the operation of the entire portable electronic device 1. The base body 4 includes a base plate 43, a display device 41 for displaying an image (corresponding to a functional component), an operation unit 42 for receiving operations, and various electronic components 45 (corresponding to functional components, as shown in FIGS. 7 to 9). And a substrate 44 (corresponding to a functional component, shown in FIGS. 7 to 9) and the like mounted thereon. The base plate 43 fixes the display device 41, the operation unit 42, the substrate 44, and various functional components (such as a microphone, a receiver, a speaker, and a camera) necessary as a PHS terminal. The display device 41 displays various images such as a standby image and a menu image through the transparent portion at the center of the box-shaped portion 24 of the front case 21. For example, the display device 41 is a liquid crystal display (LCD: Liquid Crystal). Display), a display panel having an organic EL (Organic Electro-Luminescence) panel and the like. The operation unit 42 has various switches (not shown). The substrate 44 is a so-called printed wiring board (PWB) on which various electronic components 45 are mounted. In the base body 4, the operation part 42 is mounted in the frame-like part 23 of the front case 21, and the display device 41, the substrate 44 and the electronic component 45 are built in the box-like part 24 of the front case 21. Arranged inside.

  The operation pad 5 is for inputting a command. The operation pad 5 includes various operation keys 51 to be operated and a waterproof sheet 52 provided with the operation keys 51. The operation pad 5 is mounted on the front case 21 with the operation key 51 exposed to the outside through a through hole 30 a provided in the operation unit cover 30. The operation key 51 corresponds to the switch of the operation unit 42 and transmits the operation to the corresponding switch of the operation unit 42. The operation key 51 is, for example, an operation key for inputting characters when creating a telephone number of a communication partner or mail, for easily selecting and determining a menu displayed on the display device 41, scrolling a screen, and the like. Including the direction and the enter key. In addition, the operation pad 5 has a waterproof sheet 52 disposed between the frame-like portion 23 of the front case 21 and the operation portion cover 30, and has a watertight structure between the frame-like portion 23 of the front case 21.

  The battery 6 functions as a power source for the portable electronic device 1. The battery 6 is built in the frame-like portion 25 of the rear case 22 and mounted on the rear case 22. The battery 6 is covered with a battery cover 27a.

  Next, the easy disassembly structure will be described with reference to the drawings. 5 is an enlarged perspective view showing the IV part in FIG. 4, FIG. 6 is a cross-sectional view taken along line VV in FIG. 5, and FIG. 7 is a diagram of the portable electronic device shown in FIG. FIG. 8 is a perspective view showing a cross section of the housing, FIG. 8 is a perspective view showing another cross section of the housing of the portable electronic device shown in FIG. 5, and FIG. 9 is a portable electronic device shown in FIG. It is a perspective view which shows another cross section of the housing | casing of an apparatus.

  The easy disassembly structure is a structure for protecting functional parts such as the electronic parts 45 mounted on the substrate 44 while easily disassembling the front case 21 and the rear case 22. The easy disassembly structure includes a notch 61 (shown in FIGS. 5 and 6) and a standing wall 62 (shown in FIGS. 7 to 9) provided on the front case 21. The notch 61 is provided at the corner of the housing 2 as shown in FIGS. In the present embodiment, the notch 61 is provided at the corner of the frame-like parts 23, 25 of the cases 21, 22 that is farthest from the box-like parts 24, 26. The notch 61 is formed in the surface 22a of the rear case 22 as shown in FIGS. The notch 61 is recessed from the surface 22 a of the rear case 22 and opens to the outer surface of the housing 2. A tool T (indicated by a two-dot chain line in FIGS. 7 to 9) for disassembling the front case 21 and the rear case 22 can enter the notch 61. Further, in the vicinity of the notch 61, as shown in FIG. 6, an adhesive 33 is provided on an extended line in a direction from the outer surface of the housing 2 toward the bottom 61 a of the notch 61. The notch 61 is covered by the battery cover 27b when the battery cover 27b is attached to the rear case 22.

  The standing wall 62 is provided in the box-shaped portion 24 of the front case 21. As shown in FIGS. 2 and 3, the standing wall 62 is erected from the outer edge portion on the long side of the outer edge portions of the box-shaped portion 24 toward the rear case 22. The standing wall 62 protrudes toward the rear case 22 from the joint 63 on the outer surface of the front case 21 and the rear case 22 when the front case 21 and the rear case 22 are attached to each other. As described above, the standing wall 62 protrudes from the joint 63 to the rear case 22 side as the other side of the front case 21 and the rear case 22 provided with the box-like portion 24 as the component built-in portion. ing. Further, the standing wall 62 is disposed inside the outer surface of the box-shaped portion 24 of the front case 21. When the front case 21 and the rear case 22 are attached to each other, the standing wall 62 enters the inside of the outer wall 26 a of the box-shaped portion 26 of the rear case 22. In the present embodiment, the standing wall 62 overlaps the inside of the outer wall 26a of the rear case 22 when the front case 21 and the rear case 22 are attached to each other. In the present embodiment, the standing wall 62 is provided with a convex portion 32 at the tip.

  The portable electronic device 1 described above is assembled as follows. First, the base body 4 is built in the front case 21. The adhesive 33 is discharged into the groove 31 by a certain amount from the discharge port of the dispenser that moves relative to the rear case 22, and the adhesive 33 is applied to the groove 31. Thereafter, before the adhesive 33 is cured, the front case 21 and the rear case 22 are attached to each other so that the surfaces 21a and 22a of the outer edge portions overlap each other. When the front case 21 and the rear case 22 are attached to each other, before the adhesive 33 is cured, the convex portion 32 enters the groove 31 and contacts the adhesive 33. The convex portion 32 also enters the adhesive 33 and presses the adhesive 33 toward the inner surface of the groove 31. Thereafter, the operation pad 5 is overlaid on the frame-like portion 23 of the front case 21, and the operation portion cover 30 is attached to the front case 21. Further, the battery 6 is built in the frame-shaped portion 25 of the rear case 22, and the battery covers 27 a and 27 b are attached to the frame-shaped portion 25 of the rear case 22.

  In the portable electronic device 1, when the adhesive 33 is cured, the adhesive 33 is in close contact with both the inner surface of the groove 31 and the surface of the convex portion 32, and between the front case 21 and the rear case 22. Keep watertight. The portable electronic device 1 suppresses water from entering the space where the adhesive 33 is formed between the front case 21 and the rear case 22 from the outside. Further, when the adhesive 33 is cured, the surface 21a of the front case 21 and the surface 22a of the rear case 22 are fixed.

  In the portable electronic device 1 described above, the front case 21 and the rear case 22 are disassembled as follows. The battery cover 27b is removed from the rear case 22 before the front case 21 and the rear case 22 are disassembled. Then, the notch 61 is exposed. Then, the engaging claws 28 of the frame-like portion 23 of the front case 21 are cut and removed by another tool (not shown) such as pliers or nippers. Then, the tool T is inserted into the notch 61 and the tool T is squeezed into the notch 61 so that the adhesive 33 in the vicinity of the notch 61 becomes at least one of the front case 21 and the rear case 22. It peels from one side. Then, in the vicinity of the notch 61, a gap is generated between the front case 21 and the rear case 22, and the tool T enters the gap. Then, the tool T is moved toward the box-shaped portions 24 and 26 while being intruded between the front case 21 and the rear case 22. Then, with the movement of the tool T, the adhesive 33 is gradually peeled from at least one of the front case 21 and the rear case 22 by the tool T, and the gap between the front case 21 and the rear case 22 is gradually increased. To spread. And after positioning the tool T between the box-shaped parts 24 and 26, the clearance gap between the front case 21 and the rear case 22 is further expanded, and the front case 21 and the rear case 22 are disassembled.

  In the portable electronic device 1 according to the embodiment, a notch 61 is formed in the surface 22 a of the rear case 22 fixed to the surface 21 a of the front case 21 with an adhesive 33. As a result, the portable electronic device 1 inserts the tool T for disassembling the front case 21 and the rear case 22 into the notch 61 and squeezes the tool T so that the force to disassemble the front case 21 and the rear case It can act on the case 22. Therefore, the portable electronic device 1 can easily disassemble the front case 21 and the rear case 22 of the housing 2 fixed by the adhesive 33.

  Further, in the vicinity of the notch 61, the portable electronic device 1 is provided on the extension line in the direction from the outer surface of the housing 2 toward the bottom 61 a of the notch 61. As a result, a force applied by, for example, squeezing the tool T inserted into the notch 61 is likely to act on the adhesive 33. Accordingly, the adhesive 33 can be easily disassembled from at least one of the front case 21 and the rear case 22 by, for example, squeezing the tool T inserted into the notch 61, and the front case of the housing 2 can be easily disassembled. 21 and the rear case 22 can be easily disassembled.

  Further, the box-shaped portion 24 of the front case 21 includes a standing wall 62 that protrudes further toward the rear case 22 than the joint 63 between the cases 21 and 22 and enters the inside of the outer wall 26 a of the rear case 22. Thereby, the tool T inserted between the cases 21 and 22 from the notch 61 and moved along the joint 63 of the cases 21 and 22 and brought close to the box-shaped portion 24 comes into contact with the standing wall 62. . Therefore, the tool T can be prevented from coming into contact with the electronic component 45 or the substrate 44 in the box-shaped portion 24, and the front case 21 and the rear case 22 of the housing 2 can be easily disassembled. It can suppress that component 45, substrate 44, etc. break.

  Furthermore, since the notch 61 is provided at the corner of the housing 2, the tool T can be easily inserted into the notch 61. Since the notch 61 is covered with the battery cover 27b, even if the notch 61 is provided, the appearance of the housing 2 can be prevented from being damaged. Further, the notch 61 is provided in the frame-like part 25 of the rear case 22 and is separated from the box-like part 24. Thereby, the portable electronic device 1 can suppress the tool T inserted into the notch 61 from coming into contact with the electronic component 45 and the substrate 44 in the box-shaped part 24.

  In the embodiment described above, the notch 61 is formed in one of the surfaces 21a and 22a. However, in the present invention, the other surface 21a of the surfaces 21a and 22a may be formed with a notch 61, and the both surfaces 21a and 22a may be formed with a notch 61. In short, in the present invention, at least one of the surfaces 21a and 22a only needs to have the notch 61 formed therein. In the present invention, the box-shaped portion 26 of the rear case 22 may incorporate the substrate 44 of the base 4, and the box-shaped portion 26 of the rear case 22 may include a standing wall 62.

  The present invention is not limited to the above embodiment. That is, various modifications can be made without departing from the scope of the present invention.

DESCRIPTION OF SYMBOLS 1 Portable electronic device 2 Case 21 Front case (1st case)
22 Rear case (second case)
21a, 22a Surface 24 Box-shaped part (part built-in part)
26a outer wall 27b battery cover (lid)
33 Adhesive 41 Display device (functional parts)
44 Board (functional parts)
45 Electronic parts (functional parts)
61 Notch 61a Bottom 62 Standing Wall 63 Seam T Tool

Claims (4)

A housing having a first case and a second case fixed to the first case with an adhesive;
At least one of a surface fixed to the second case of the first case by the adhesive and a surface fixed to the first case of the second case by the adhesive is the first case. And a notch part into which a tool for disassembling the second case can be inserted. One of the first case and the second case includes a component built-in portion that incorporates a functional component,
The component built-in portion protrudes to the other side of the first case and the second case with the component built-in portion from the joint on the outer surface of the first case and the second case. The portable electronic device according to claim 1, further comprising a standing wall that enters the inside of the outer wall on the other side.   The portable electronic device according to claim 1, wherein the notch is provided at a corner of the housing.   The portable electronic device according to any one of claims 1 to 3, wherein the notch is covered with a lid attached to the housing.

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