JP4611619B2 - Mobile terminal device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a mobile terminal device, and more particularly to a mobile terminal device suitable for use in a foldable mobile phone or the like.
[0002]
[Prior art]
In recent years, various types of portable terminal devices such as cellular phones have been proposed as the configuration of the device casing, and in particular, a configuration in which two casings are configured to be foldable with respect to each other is widely used. Such a portable terminal device is usually configured such that each casing is overlapped with a front case and a rear case, and a side packing member is provided in an overlapping portion of each case.
By the way, in this kind of portable terminal device, maintenance and repair of equipment may be required. In such a case, the front case and the rear case are disassembled for maintenance, repair, etc., but when disassembling, the side packing member provided at the overlapping portion of the front case and the rear case is removed. There is a need. This side packing member is originally intended to perform a decorative function, or to prevent a user from slipping off the mobile terminal device, and is provided with a double-sided tape or welded between the front case and the rear case. It is fixed by etc.
Various devices related to this type have been proposed (see, for example, Patent Document 1).
[0003]
[Patent Document 1]
Japanese Utility Model Publication No. 5-39055
[Problems to be solved by the invention]
However, in the conventional portable terminal device, since the side packing member is fixed to the overlapping portion of the front case and the rear case, it is necessary to remove the side packing member when disassembling, and this member is as described above. Since it is fixed with double-sided tape or welding, it takes time to remove it, and even if it is removed, the front case, rear case, and side packing members remain in a solid state, making reassembly difficult. There was a problem. In particular, when the side packing member is welded, it takes not only a lot of work to remove the side packing member, but also it is difficult to separate the front case, the rear case, and the side packing member into a reusable state. There was a problem.
In addition, since a fitting structure is adopted between the front case and the rear case, it is difficult to remove the fitting claws when disassembling, and both cases are damaged.
[0005]
The present invention has been made in view of such circumstances, and its purpose is to allow the side packing member to be disassembled so that it can be reused, and to be disassembled without damaging the front case and the rear case. Accordingly, it is an object of the present invention to provide a portable terminal device that is well-considered for maintenance and repair.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the present invention proposes the following means.
According to the first aspect of the present invention, the first casing and the second casing are configured to be foldable with each other via a hinge portion, and the front case and the rear case are overlapped with each other. And the rear case are fixed by a fastening member, and the side packing member is provided in the overlapping portion of the front case and the rear case . wherein the one or both of the front case and the rear case, the engagement receiving portion is provided, on the side packing member includes a first engagement portion engaged with the engagement receiving portion, the side packing Projected in an L shape in the length direction of the member, and configured to be engaged with the side surface of the front case and the side surface of the rear case. Together is, the second engagement portion engaged with the fastening member, the engaging piece is formed with an insertion hole, and projecting a thin shape at one end in the length direction of the side packing member It is characterized by.
[0007]
According to the portable terminal device of the present invention, the first engaging portion of the side packing member engages with the engagement hole or the notch, and the second packing member is fixed to the fastening member that fixes the front case and the rear case. Since the engaging portion is engaged, the fastening member is detached from the front case and the rear case, the engagement of the second engaging portion is released, and the first engaging portion and the engaging hole are By releasing the engagement, the side packing member can be removed from the front case and the rear case in a reusable state, and the side packing member can be removed quickly and satisfactorily.
[0008]
According to a second aspect of the present invention, in the portable terminal device according to the first aspect, a fastening hole is formed in one of the front case and the rear case, and an insertion hole is formed in the second engagement portion. A joining piece is formed, and the fastening member is inserted through the fastening hole and the insertion hole.
[0009]
According to the portable terminal device according to the present invention, the fastening member is inserted into the fastening hole and the insertion hole, and the front case and the rear case are overlapped and fixed, so that the front case and the rear case are easily and well disassembled. As well as good assembly of both.
Further, by inserting through the insertion hole of the side packing member, the fastening member and the second engagement portion of the side packing member can be reliably engaged, and in addition, the front case, the rear case, and the side packing member These three parts can be assembled and disassembled.
[0010]
According to a third aspect of the present invention, in the portable terminal device according to the second aspect of the present invention, the front case and the rear case are provided with holding wall portions that sandwich the engaging pieces.
According to the portable terminal device of the present invention, when the front case and the rear case are fixed by the fastening member, the engaging piece of the side packing member is sandwiched between the holding wall portion of the front case and the holding wall portion of the rear case, By releasing the fixing of the members, the three of the front case, the rear case, and the side packing member can be reliably removed, and not only can good disassembly be performed accurately, but also assembly can be performed easily. it can.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings. 1 to 7 are views showing a mobile phone to which a mobile terminal device according to an embodiment of the present invention is applied. FIG. 1 is an overall perspective view showing a state in which the mobile phone is opened. FIG. FIG. 3 is a side view showing a state in which the front case and the rear case of the first casing of the mobile phone are overlapped, and FIG. 4 is a side packing member provided on the first casing. FIG. 5 is an exploded perspective view of the front case, the rear case, and the side packing member of the first housing, and FIG. 6 is an explanatory view when the side packing member is assembled to the overlapping portion of the front case and the rear case. FIG. 5 is an explanatory view showing a state in which a side packing member is inserted into an overlapping portion between the front case and the rear case of the first housing.
1 and 2, reference numeral 1 denotes a mobile terminal device, 2 denotes a first housing, and 3 denotes a second housing.
As shown in FIG. 1, the first housing 2 is provided with a display unit 4 made of liquid crystal, and is also provided with a speaker unit 5 for ensuring a receiving function, and the second housing 3 has a plurality of speakers. An operation button including a numeric keypad 6, a mode switching button 7, a power button and the like is provided, and a microphone unit 8 for ensuring a transmission function is provided.
[0012]
The first housing 2 and the second housing 3 are configured to be foldable by rotating around a hinge portion 9 as shown by arrows in FIG. As shown in FIG. 1, the hinge portion 9 is provided with a plurality (three in this example) of cylindrical portions 10 having different axial lengths at one end of the first housing 2, while the second housing A plurality (two in this example) of cylindrical portions 11 that are the same diameter as the cylindrical portions 10 and can be fitted between the cylindrical portions 10 are provided at one end portion of the body 3. 11 are fitted to each other on the same axis, and a connecting pin (not shown) is inserted into them, and the first casing 2 and the second casing 3 are relatively rotated around the connecting pin. Therefore, it can be folded.
[0013]
As shown in FIGS. 1 to 3, the first housing 2 includes a front case 13 and a rear case 14 overlapped with the front case 13, and the front case 13 and the rear case 14 are shown in FIGS. 3 and 6. When they are overlapped as shown in FIG. 7, they are fixed by being tightened by a male screw 15 as a fastening member, as shown in FIG.
[0014]
Therefore, as shown in FIG. 5, the front case 13 is formed with a fastening hole 16 through which the male screw 15 is inserted on both sides of one end near the cylinder portion 11, and the rear case 14 is positioned corresponding to the fastening hole 16. A female screw hole 18 is formed in the holding wall portion 17 provided in the upper end of the male screw 15, and the distal end portion of the male screw 15 is inserted into the female screw hole 18 of the holding wall portion 17 from the fastening hole 16 and tightened.
[0015]
Further, fastening holes 16a through which the male screws 15 are inserted are formed on both sides of the front case 13 opposite to the cylindrical portion 11, and provided on the front side of the rear case 14 at positions corresponding to the fastening holes 16a. A holding wall portion 17a is formed, and the distal end portion of the male screw 15 is inserted into the female screw hole 18 of the holding wall portion 17a from the fastening hole 16a and tightened.
[0016]
The female screw hole 18 is formed in the holding wall portions 17 and 17a in the vertical direction from above. The holding wall portions 17 and 17a are erected in the rear case 14 to form a columnar shape, and support the front case 13 in a stable state with respect to the rear case 14 when the rear case 14 and the front case 13 are overlapped. In addition, the internal space between the cases 13 and 14 can be maintained well.
[0017]
Although not shown in the drawing, in the internal space between the front case 13 and the rear case 14, a component as the display unit 4 and a speaker unit 5 necessary for the communication function of the telephone are attached, and a camera as shown in FIG. Components such as 37 and mirror 38 are also attached.
[0018]
As shown in FIGS. 1 and 2, a side packing member 30 is attached to the overlapping portion of the front case 13 and the rear case 14.
The side packing member 30 has a decorative function, and also has a non-slip function so that the user can easily hold the first housing 2 when carrying the mobile phone 1. It is formed in an elongated strip shape.
[0019]
As shown in FIGS. 4A and 4B, the side packing member 30 is provided with first engagement portions 31 and 32 and a second engagement portion 33. The first engaging portions 31 and 32 are engaged with engaging holes 19 and 20 (see FIG. 3) constituting engaging receiving portions provided in both the front case 13 and the rear case 14. In other words, the engaging portion 31 protrudes in an L shape toward the front with a width smaller than the width of the side packing member 30 at the front end portion of the side packing member 30 in the length direction. 32 is provided in the middle of the side packing member 30 in the lengthwise direction so as to protrude in the middle of the width direction in the same L shape as the engaging portion 31.
[0020]
Of the engagement holes 19 and 20, the engagement hole 19 is a hole formed on the front end side of the side surface of the front case 13 and the rear case 14 so as to straddle both as shown in FIGS. 3, 5 and 6. There is no. The engagement hole 20 has a square shape formed across a front wall 21 provided on the side surface of the front case 13 and a rear wall 22 provided on the side surface of the rear case 14 so as to face the front wall 21. ing. The front wall 21 and the rear wall 22 are formed to be slightly recessed inward at positions where the front case 13 and the rear case 14 overlap each other. As a result, a space in which the side packing member 30 can be accommodated in a slightly recessed position defined by the front wall 21 and the rear wall 22 is formed.
[0021]
Referring back to FIG. 4 again, the second engaging portion 33 is projected in a thin shape at one end portion of the side packing member 30 in the length direction, and the male screw 15 is inserted through the central portion thereof. The engaging piece 35 having the insertion hole 34 is formed. When the front case 13 and the rear case 14 are overlapped with each other as shown in FIGS. 3 and 6, the second engaging portion 33 has an insertion hole 23 provided in the front wall 21 of the front case 13. When inserted into the housing, the holding wall 24 provided in the front case 13 and the holding wall 17 provided in the rear case 14 are sandwiched as shown in FIG.
Note that the holding wall portion provided on the front end side opposite to the cylindrical portion 11 of the front case 13 is not shown in FIGS. 5 and 7, but when the front case 13 and the rear case 14 are overlapped, the rear case 14 is in contact with a holding wall portion 17a (see FIG. 5) provided on the base plate 14.
[0022]
On the other hand, as shown in FIGS. 1 and 2, the second casing 3 is also provided with a side packing member 36 at the overlapping portion of the front case 25 and the rear case 26. Since the front case 25, the rear case 26, and the side packing member 36 have basically the same configuration as that of the first casing 2, a detailed description thereof is omitted here.
In FIG. 2, reference numeral 39 denotes a communication antenna.
[0023]
Since the cellular phone 1 of this embodiment is configured as described above, when the first casing 2 and the second casing 3 are first assembled at the time of assembly, the first casing 2 is first assembled. The mobile phone 1 is assembled by the second housing 3 being configured to be foldable with respect to each other via the hinge portion 9.
[0024]
At that time, for example, when the first casing 2 is assembled, if predetermined components are mounted in the front case 13 and the rear case 14 in advance, the front case 13 and the rear case 14 are overlapped.
Thereby, in the overlapping part of the front case 13 and the rear case 14, as shown in FIGS. 3 and 6, an engagement hole 19 is formed in the front wall 21 of the front case 13, and those front walls 21 are also formed. The engagement hole 20 is formed by the rear wall 22.
[0025]
Next, the side packing member 30 is prepared, and the first engaging portion 31 of the side packing member 30 is inserted into the engaging hole 19 as indicated by an arrow a shown in FIG. 6 and the engaging portion 32 is indicated as indicated by an arrow b. Is inserted into the engagement hole 20 and the entire side packing member is shifted to the front end side of the first housing 2 as indicated by an arrow A, whereby the first engagement portions 31 and 32 are inserted into the engagement holes 19 and 20. Are engaged with each other. In this case, the side packing member 30 is a thin and strip-shaped synthetic resin and can be easily bent. Therefore, the first engagement portions 31 and 32 can be easily engaged with the engagement holes 19 and 20. It can be carried out.
[0026]
After the first engaging portions 31 and 32 of the side packing member 30 are respectively engaged in this manner, the engaging piece 35 of the second engaging portion 33 is moved to the front as indicated by an arrow c shown in FIG. When inserted into the wall 21 through the insertion hole 23, the engagement piece 35 is located in the front case 13 between the front case 13 and the rear case 14 as shown in FIG. 7. Are inserted between the holding wall portion 24 and the holding wall portion 17 of the rear case 14, and are sandwiched between the both 24 and 17.
[0027]
Thereafter, the front end portion of the male screw 15 is inserted into the fastening hole 16 near the tube portion 11 of the front case 13 as indicated by the arrow shown in FIG. 7, and the front end portion is inserted into the rear case 14 from the holding wall portion 24 via the engagement piece 33. The male screw 15 is inserted into the female screw hole 18 of the inner holding wall portion 17 and tightened, and the male screw 15 is similarly inserted into the fastening hole 16a on the tip side opposite to the cylindrical portion 11 of the front case 13, and the holding in the rear case 14 is performed. The front case 13 and the rear case 14 are fixed in an overlapped state by being fastened to the female screw hole 18 (see FIG. 5) of the wall portion 17a, whereby the first casing 2 is configured. Become.
[0028]
When the first casing 2 is assembled in this way and the second casing 3 is assembled in substantially the same manner, the first casing 2 and the second casing 3 are connected to the hinge portion 9. As a result, the mobile phone 1 can be assembled.
[0029]
Therefore, when the mobile phone 1 is disassembled for maintenance or repair, for example, when the first housing 2 is to be disassembled, the first housing 2 is first attached to the second housing 3 (not shown). After the separation, the male screw 15 fixing the front case 13 and the rear case 14 in the first casing 2 in an overlapped state is loosened and removed in the direction opposite to the arrow in FIG. 7, and then the side packing member 30 is removed from the front case. 13 and the rear case 14 are removed.
[0030]
In that case, when removing the side packing member 30, the procedure opposite to the above-described procedure is performed, that is, after the male screw 15 is removed, the second engaging portion 33 of the side packing member 30 is moved to the front case 13. The holding wall portion 24 of the rear case 14 and the holding wall portion 17 of the rear case 14 are extracted, and then the first engagement portions 31 and 32 of the side packing member 30 are shifted in a direction to release the engagement with the engagement holes 19 and 20. The side packing member 30 can be detached from the first housing 2 by releasing the engagement. At this time, the side packing member 30 is a thin and strip-like synthetic resin and can be bent, so that the side packing member 30 can be easily removed. As a result, the front case 13 and the rear case 14 can be disassembled.
[0031]
As a result, the side packing member 30 is attached to the overlapped portion of the front case 13 and the rear case 14 by adopting the tightening and engaging structure of the male screw 15, so that welding, double-sided tape, etc. are used as in the past. Unlike the provision of the side packing member, the side packing member 30 can be reliably removed in a reusable state. In addition, the side packing member 30 can be removed without causing any scratches or the like on the front case 13 or the rear case 14. Thereby, maintenance and repair can be performed promptly.
[0032]
Further, the front case 13 and the rear case 14 are overlapped and fixed by tightening the male screw 15 from the fastening hole 16 to the female screw hole 18, so that the front case 13 and the rear case 14 can be easily and satisfactorily disassembled. In addition to being able to assemble, both can be assembled well. The male screw 15 is inserted into the insertion hole 34 of the side packing member 30 so that the male screw 15 and the second engaging portion 33 of the side packing member 30 can be reliably engaged with each other. 13, the rear case 14, and the side packing member 30 can be assembled and disassembled.
[0033]
Furthermore, when the male screw 15 tightens the front case 13 and the rear case 14, the engaging piece 35 of the side packing member 30 is sandwiched between the holding wall portion 24 of the front case 13 and the holding wall portion 17 of the rear case 14. 15 is released, the side packing member 30 can be removed from the front case 13 and the rear case 14, and therefore the three of the front case 13, the rear case 14, and the side packing member 30 can be reliably removed. Therefore, not only good disassembly can be performed accurately, but also assembly can be easily performed.
[0034]
In the illustrated embodiment, two engaging portions 31 and 32 are provided as the first engaging portions provided on the side packing member 30, while the front case 13 and the rear case 14 are overlapped with each other. Although the example in which the two engagement holes 19 and 20 are provided correspondingly is shown, the same effect can be obtained even if only one of them is used. In addition, although the example in which the engagement holes 19 and 20 are defined by the front case 13 and the rear case 14 is shown, it may be provided only in one of them.
[0035]
Further, not only the first housing 2 but also the second housing 3 is configured by superimposing the front case and the rear case and is provided with a side packing member. This can be achieved further and the reliability of maintenance and repair can be further increased.
[0036]
【The invention's effect】
As described above, according to the first aspect of the present invention, the side packing member is attached to the fastening member that fixes the front case and the rear case while the first engagement portion of the side packing member engages with the engagement hole. Since the second engaging portion is engaged, the side packing member can be removed from the front case and the rear case in a reusable state, and the side packing member can be removed quickly and satisfactorily. As a result, an effect that maintenance and repair can be performed accurately can be obtained.
[0037]
According to the invention of claim 2, the fastening member is inserted into the fastening hole and the insertion hole, and the front case and the rear case are overlapped and fixed, so that the front case and the rear case can be easily and satisfactorily disassembled. As well as being able to assemble both, the fastening member and the second engaging portion of the side packing member can be securely engaged, and the front case, the rear case, and the side The effect that three-piece assembly and disassembly with a packing member can be performed is obtained.
[0038]
According to the invention of claim 3, when the front case and the rear case are fixed by the fastening member, the engaging piece of the side packing member is sandwiched between the holding wall portion of the front case and the holding wall portion of the rear case. By releasing the fixing of the members, the front case, the rear case, and the side packing members can be reliably removed, and not only good disassembly can be performed accurately, but also assembly can be easily performed. An effect is obtained.
[Brief description of the drawings]
FIG. 1 is a diagram showing a mobile phone to which a mobile terminal device according to an embodiment of the present invention is applied, and is an overall perspective view showing a state in which the mobile phone is opened.
FIG. 2 is a perspective view seen from the back of FIG.
FIG. 3 is a side view showing a state in which a front case and a rear case of a first housing in a mobile phone are overlapped with each other.
FIGS. 4A and 4B are diagrams showing a side packing member provided in the first housing, wherein FIG. 4A is a side view and FIG. 4B is a front view.
FIG. 5 is an exploded perspective view of a front case, a rear case, and a side packing member of the first casing.
FIG. 6 is an explanatory diagram when the side packing member is assembled to the overlapping portion of the front case and the rear case.
FIG. 7 is an explanatory view showing a state in which a side packing member is inserted into an overlapping portion between the front case and the rear case of the first housing.
[Explanation of symbols]
1 Mobile phone (mobile terminal device)
2 1st housing | casing 3 2nd housing | casing 9 Hinge part 13, 25 Front case 14, 26 Rear case 15 Male screw (fastening member)
16, 16a Fastening hole 17 Retaining wall (rear case side)
18 Female screw holes 19, 20 Engagement hole (engagement receiving part)
24 Holding wall (front case side)
30, 36 Side packing members 31, 32 First engaging portion 33 Second engaging portion 34 Insertion hole 35 Engagement piece

Claims (3)

The first casing and the second casing are configured to be foldable with respect to each other via a hinge portion,
In the portable terminal device in which the front case and the rear case are configured to overlap each other, the front case and the rear case are fixed by a fastening member, and a side packing member is provided in an overlapping portion between the front case and the rear case.
The side packing member is formed into a thin and elongated strip shape with a synthetic resin,
Wherein the one or both of the front case and the rear case, the engagement receiving portion is provided,
The said side packing member, a first engagement portion engaged with the engagement receiving portion, wherein in the longitudinal direction of the side packing member is protruded in an L-shape, the side surface and the rear case of the front case Provided to be engaged with the side surface,
An engagement piece having an insertion hole is formed in the second engagement portion that engages with the fastening member , and is projected in a thin shape at one end in the length direction of the side packing member . The portable terminal device characterized by this. The mobile terminal device according to claim 1,
A fastening hole is formed in one of the front case and the rear case, an engagement piece having an insertion hole is formed in the second engagement portion, and the fastening member is formed in the fastening hole and the insertion hole. Is inserted into the mobile terminal device. The mobile terminal device according to claim 2,
A portable terminal device, wherein the front case and the rear case are provided with holding wall portions for holding the engaging pieces.

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