JP3570960B2 - Foldable portable communication device - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a foldable portable communication device suitable for use in a mobile communication medium such as a portable telephone radio.
[0002]
[Prior art]
2. Description of the Related Art In recent years, with the liberalization of the telecommunications business, various mobile communication media such as mobile phones have become popular.
2. Description of the Related Art Generally, a mobile phone wireless device of this type of mobile communication medium includes a transmitting unit having an operation unit (operation keys) and a microphone, and a receiving unit with an antenna having a speaker and a display unit. Have been.
[0003]
In such a portable telephone radio, miniaturization of the whole radio is demanded for convenience of carrying.
On the other hand, it is required that the display unit and the operation unit be made as large as possible in order to display characters and symbols easily in the display of data and the like, and to perform good operations in key operation.
[0004]
For this reason, by making the wireless device housing composed of two or three housings foldable, the size of the wireless device can be reduced while being carried, and the display unit or the operation unit can be provided on the entire surface of the single housing. There is a communication device in which a display unit and an operation unit having a large area are secured during use by arranging the display unit.
[0005]
Conventionally, a foldable portable communication device of this type (having two housings) includes a first housing (first communication device main body) having an operation unit and a transmission unit, and a display unit and a reception unit. An apparatus having a second housing (second communication device main body) and a hinge for pivotally supporting the two communication device main bodies so as to be freely opened and closed is employed.
In such a communication device, both communication devices are opened to expose the display unit (communication device surface portion) and the operation unit (communication device surface portion) to the outside when in use, while both communication devices are in use when not in use. The communication device is closed so as to shield the display unit and the operation unit.
[0006]
By the way, in this type of foldable portable communication device, it is necessary to avoid collision between, for example, the operation unit and the display unit (communication device surface portions) when the two communication device main bodies are turned to be closed. The communication device has a structure in which a communication device main body is brought into contact with a portion other than the operation portion and the display portion on the surface of the communication device.
[0007]
[Problems to be solved by the invention]
However, the conventional foldable portable communication device does not have a function of absorbing the impact force due to the contact at the end of the closing operation of both communication device main bodies. Therefore, each collision (contact) by repeating the closing operation is performed. There is a problem in that the parts are worn, and each of these collision parts (the surface of the communication device) is discolored and damaged.
[0008]
Further, in this type of foldable portable communication device, each communication device main body is formed by assembling a housing and a lid with a mounting screw. However, the mounting screw is exposed on the surface of the communication device, and therefore, the mounting screw is removed. However, there is also a problem that a good appearance cannot be obtained when both communication device main bodies (communication devices) are opened.
[0009]
Japanese Patent Application Laid-Open No. H11-275191 discloses a prior art as a "mobile phone". However, although there is a disclosure about "preventing damage to a main body case", it is described as "obtaining a good appearance". There is no disclosure about means for solving the conventional problems.
[0010]
The present invention has been made in view of such circumstances, and a mounting screw for assembling a box and a lid of a communication device main body is shielded by a screw shielding member, and the closing operation of the communication device main body is completed at this shielding position. Folding type mobile phone that can prevent discoloration and damage on the surface of the communication device and obtain a good appearance with the extremely simple structure of absorbing the impact force caused by the contact by the impact force absorbing member. The purpose is to provide a communication device.
[0011]
[Means for Solving the Problems]
In order to achieve the above object, a foldable portable communication device of the present invention includes first and second two foldable portable communication devices, each of which is pivotally supported so as to be openable and closable with each other, and is assembled with a housing and a lid by a plurality of mounting screws. A communication device body is provided, and a screw shielding member that covers a screw head is attached to a mounting screw exposed to a communication device surface portion of the mounting screws, and a receiving portion corresponding to the screw shielding member is provided with the communication device surface portion. A communication device provided on a different communication device surface portion, wherein a buffering material serving also as an impact force absorbing member is used as the screw shielding member, and the screw shielding member protrudes from the surface portion of the first communication device main body. So that
The receiving portion is a recess into which a part of the projecting portion of the screw shielding member enters when the first and second communication device main bodies are folded, and the distal end surface of the projecting portion of the screw shielding member has a planar shape. In addition, the bottom surface of the concave portion with which the screw shielding member abuts has a planar shape .
Therefore, the impact force due to the contact at the end of the closing operation of the two communication units is absorbed by the impact force absorbing member in a planar manner.
[0012]
Further, the present invention is directed to a depth at which a small gap is formed between the surface portions of the first and second communication device main bodies when the recessed portion partially enters the projecting portion of the screw shielding member. There is.
[0017]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1A and 1B are a side view showing a folded (closed) state of the foldable portable communication device according to the first embodiment of the present invention, and a local sectional view showing an X portion thereof. FIG. b) is an enlarged sectional view, FIG. 3 is a plan view showing an open state of the foldable portable communication device according to the first embodiment of the present invention, and FIGS. 4 and 5 are portions B and C of FIG. 3, respectively. FIG.
1 to 5, the foldable portable communication device denoted by reference numeral 1 includes a first communication device main body 2, a second communication device main body 3, and a screw shielding member 4.
[0018]
The first communication device main body 2 has an operation key 5 and a microphone 6, and is formed entirely of a plastic substantially rectangular box in which the lid 2a and the housing 2b are assembled by a plurality of mounting screws (not shown). ing. The first communication device main body 2, the convex portion 7 of the receiving portion located on both sides of the microphone 6, and exposed to the communication device surface portion 2b ₁ is integrally provided.
[0019]
The convex portion 7 is composed of two hemispherical convex portions 7a and 7b, each of which is arranged in parallel with each other in the width direction of the communication device at a predetermined interval, and the housing 2b of the first communication device main body 2 (communication device surface portion 2b ₁ ). At the opposite end of the pivot. Each protrusion 7a, 7b, the amount of projection is set to the same size, and the second communication communication device main body 3 to the height of the other parts projecting from the communication device surface portion 2b ₁ of the first communication device main body 2 The dimension is set to be higher than the dimension obtained by adding the height of the parts protruding from the machine surface portion (described later). As a result, the contact of the two communication device bodies 2 and 3 at the end of the closing operation is performed by the convex portions 7a and 7b and the screw shielding member 4.
[0020]
The second communication device main body 3 has a liquid crystal display 8 and a speaker 9 and is pivotally supported by the first communication device main body 2 via a hinge 10 so as to be freely opened and closed. The housing 3a and the lid 3b are assembled with a plurality of mounting screws A to form a substantially rectangular box made of plastic. An antenna 11 that is extended and contracted in a direction perpendicular to the direction of the axis (axis) of the hinge 10 is attached to the second communication device main body 3.
[0021]
The housing 3a is provided with a screw hole 12 which is located at a position corresponding to each of the projections 7a and 7b and into which the mounting screw A is screwed. The screw holes 12 each include two screw holes (only one is shown) arranged in parallel with each other in the width direction of the communication device at a predetermined interval, and are arranged at the end of the second communication device main body 3 on the opposite pivot side of the housing 3a. Have been.
[0022]
The cover 3b is provided with a screw insertion hole 13 that opens in the same axial direction as the axis of the screw hole 12 and through which the mounting screw A is inserted. The screw insertion holes 13 are arranged in parallel with each other at a predetermined interval in the width direction of the communication device, and the first seat surface 13a on which the screw head a of the mounting screw A is seated in the screw tightened state and the outside of the first seat surface 13a Is formed by two stepped holes (only one is shown) having the second seating surface 13b located at the center position. In the screw insertion hole 13, the distal ends of the projections 7a, 7b are positioned when the closing operation of both communication device main bodies 2, 3 is completed.
[0023]
Screw shielding member 4 is arranged to the outer peripheral edge facing the second seat surface 13b to each screw insertion hole 13, and exposed to the communication device surface portion 3b ₁ of the mounting screw A (second communication apparatus main body 3 It is affixed to the screw head a of the mounting screw, and is entirely formed of a decorative member having a flat circular shape.
[0024]
Further, the screw shielding member 4 is made of a cushioning material such as rubber which absorbs an impact force due to the contact at the end of the closing operation of the two communication device main bodies 2 and 3, that is, also serves as an impact force absorbing member. It is elastically mounted between the portion a and each of the convex portions 7a and 7b in a state where both the communication device main bodies 2 and 3 are closed. As a result, the impact force due to the contact at the end of the closing operation of the two communication device bodies 2 and 3 is absorbed by the screw shielding member 4.
[0025]
In the foldable portable communication device configured as described above, the two communication device main bodies 2 and 3 are rotated by 180 ° in the positive circumferential direction from the folded state shown in FIG. Fully open. At this time, the screw shielding member 4 is exposed on the communication device surface 3b ₁ (external) of the second communication device main body 3 (lid 3b).
[0026]
When not in use, the two communication units 2 and 3 are turned 180 ° in the negative circumferential direction from the fully opened state shown in FIG. 3 to be folded as shown in FIG. At this time, the convex portions 7a, 7b abut via the screw shielding member 4 to screw head a mounting screws A, a slight gap between both the communication device surface portion 2b _1, 3b ₁ is formed.
[0027]
Therefore, in this embodiment, the screw shielding member 4 is visible at the fully open position of both communication device main bodies 2 and 3, so that the screw A (the screw head a) is shielded by the screw shielding function of the screw shielding member 4. be able to.
Further, in the present embodiment, since the impact force due to the contact at the end of the closing operation (folding) of the two communication device bodies 2 and 3 is absorbed by the buffering function of the screw shielding member 4, the two communication device bodies are different from the related art. The two (3) collision (contact) portions are not worn.
[0028]
In the present embodiment, a case has been described in which the screw shielding member 4 also serves as an impact force absorbing member, but the present invention is not limited to this, and each of the projections 7a and 7b also serves as an impact force absorbing member. Alternatively, an effect similar to that of the embodiment can be obtained even if an impact force absorbing member is attached to each of the protrusions 7a and 7b or the screw shielding member 4.
[0029]
Further, in the present embodiment, the case where each of the protrusions 7a, 7b is hemispherical has been described, but the present invention is not limited to this, and it is possible that both the communication device main bodies 2, 3 can obtain a stable folded state. Other shapes are possible if possible.
[0030]
Next, a second embodiment of the present invention will be described with reference to FIG.
FIG. 6 is a local sectional view showing a main part of the foldable portable communication device according to the second embodiment of the present invention. In FIG. 6, the same members as those in FIGS. Description is omitted.
In the figure, a foldable portable communication device indicated by reference numeral 61 includes a first communication device main body 2, a second communication device main body 3, and a screw shielding member 62.
[0031]
The first communication device main body 2 has an operation key and a microphone (both not shown), and is generally a plastic-made substantially square formed by assembling the lid 2a and the housing 2b with a plurality of mounting screws (not shown). It is formed by a box. The first communication device main body 2, the recess 63 is provided as a receiving portion located on both sides of the microphone, and open to the communicator surface portion 2b _1.
[0032]
The concave portion 63 is formed of two flat circular concave portions (only one is shown), each of which is arranged in parallel with a predetermined interval in the width direction of the communication device, and the housing 2b (the communication device surface portion 2b ₁ ) in the first communication device main body 2. ) At the opposite end of the pivot. Both recesses 63 have the same depth, and the space size is set to a size that can accommodate a part of the screw shielding member 62. As a result, contact between the two communication device main bodies 2 and 3 at the end of the closing operation is performed between the recesses 63 (bottom surface) and the screw shielding member 62 .
[0033]
The second communication device body 3 has a liquid crystal display and a speaker (both not shown), and is pivotally supported by the first communication device body 2 via a hinge (not shown) so as to be freely opened and closed. Like the first communication device main body 2, it is formed of a plastic approximately rectangular box in which the housing 3a and the lid 3b are assembled by a plurality of mounting screws A (only one is shown).
[0034]
The housing 3a is provided with a screw hole 12 which is located at a position corresponding to each recess 63 and into which the mounting screw A is screwed. The screw holes 12 each include two screw holes (only one is shown) arranged in parallel with each other in the width direction of the communication device at a predetermined interval, and are arranged at the end of the second communication device main body 3 on the opposite pivot side of the housing 3a. Have been.
[0035]
The cover 3b is provided with a screw insertion hole 13 that opens in the same axial direction as the axis of the screw hole 12 and through which the mounting screw A is inserted. The screw insertion holes 13 are arranged in parallel with each other at a predetermined interval in the width direction of the communication device, and have two stepped holes (only one shown) having a seat surface 13a on which the screw head a of the mounting screw A is seated in the screw tightened state. ).
[0036]
Mounting screw shielding member 62, the outer periphery to the respective screw insertion holes 13 are placed in contact with the seat surface 13b, and exposed to the communication device surface portion 3b ₁ of the mounting screw A (second communication apparatus main body 3 The screw is affixed to the screw head a of the screw, and is entirely formed of a decorative member having a plane circular shape.
[0037]
Further, the screw shielding member 62 is made of a cushioning material such as rubber which absorbs an impact force due to contact at the end of the closing operation of the two communication device main bodies 2 and 3, that is, also serves as an impact force absorbing member, and a part thereof is used. In the closed state of the two communication device main bodies 2 and 3, the communication units 2 and 3 are located in the respective recesses 63 and are elastically mounted between the respective screw heads a and the respective recesses 63 (bottom surfaces). Thereby, the impact force due to the contact at the end of the closing operation of the two communication device bodies 2 and 3 is absorbed by the screw shielding member 63.
[0038]
Note that the screw shielding member 62 avoids interference between the communication device surface portions 2b ₁ and 3b ₁ (including parts and the like) by abutting against the recess 63 (bottom surface) due to the closing operation of the communication device main bodies 2 and 3. An elastic material having a contraction amount such that a slight gap is formed between the two communication device surface portions 2b ₁ and 3b ₁ is used.
[0039]
In the foldable portable communication device configured as described above, both the communication device main bodies 2 and 3 are fully opened by rotating 180 degrees in the positive circumferential direction from the folded state during use. At this time, the screw shielding member 62 is exposed on the communication device surface 3b ₁ (outside) of the second communication device main body 3 (housing 3b).
[0040]
When not in use, the two communication units 2 and 3 are rotated by 180 ° in the negative circumferential direction from the fully opened state to be folded. At this time, the screw head a of each mounting screw A comes into contact with the bottom surface of each recess 63 via the screw shielding member 62, and a slight gap is formed between both communication device surface portions 2a and 3a.
[0041]
Therefore, in the present embodiment, since the screw shielding member 62 is visible at the fully open position of both communication device main bodies 2 and 3, the shielding function can shield the mounting screw A (the screw head a). Is the same as
Further, in the present embodiment, since the impact force due to the contact at the end of the closing operation (folding) of the two communication device main bodies 2 and 3 is absorbed by the buffer function of the screw shielding member 62, the same as in the first embodiment, The respective collision (contact) portions of the two communication device main bodies 2 and 3 are not worn.
[0042]
In this embodiment, the case where the screw shielding member 62 also serves as the impact force absorbing member has been described, but the present invention is not limited to this, and the impact force absorbing member is attached to each recess 63 or the screw shielding member 62. The same effects as those of the embodiment can be obtained.
[0043]
Further, in each embodiment, the case where the screw shielding members 4 and 62 have a plane circular shape has been described. However, the present invention is not limited to this, and as shown in FIG. 7A and FIG. Of course, any shape such as a shape or a heart shape may be used. In this case, good visibility can be obtained by applying a desired color to the screw shielding members 4 and 62.
Thus, if the screw shielding members 4 and 62 are designed, it will be possible to attract the user's interest.
[0044]
In addition, in each embodiment, a case has been described in which the present invention is applied to a communication device having two communication device bodies. However, the present invention is not limited to this. Applicable.
[0045]
【The invention's effect】
As described above, according to the present invention, since the screw shielding member that covers the screw head is visible in the open state of both communication device main bodies, the mounting screw can be shielded by the screw shielding member, and a good appearance is obtained. Obtainable.
In addition, since the impact force due to the contact at the end of the closing operation of the two communication devices is absorbed by the impact force absorbing member, each collision portion of the two communication devices does not wear as in the conventional case, and the discoloration on the surface of the communication device. -Damage can be prevented.
[Brief description of the drawings]
FIGS. 1A and 1B are a side view showing a closed state of a foldable portable communication device according to a first embodiment of the present invention and a local sectional view showing an X portion thereof.
FIG. 2 is an enlarged sectional view of FIG. 1 (b).
FIG. 3 is a plan view showing an open state of the foldable portable communication device according to the first embodiment of the present invention.
FIG. 4 is a plan view showing a portion B in FIG. 3;
FIG. 5 is a plan view showing a portion C in FIG. 3;
FIG. 6 is a partial cross-sectional view showing a main part of a foldable portable communication device according to a second embodiment of the present invention.
FIGS. 7A and 7B are plan views showing a screw shielding member in a foldable portable communication device according to another embodiment of the present invention.
[Explanation of symbols]
REFERENCE SIGNS LIST 1 foldable portable communication device 2 first communication device main body 2a lid 2b housing 2b ₁ communication device surface portion 3 second communication device main body 3a housing 3b lid 3b ₁ communication device surface portion 4 screw shielding member 5 operation key 6 Microphone 7, 7a, 7b Convex part 8 Liquid crystal display 9 Speaker 10 Hinge 11 Antenna 12 Screw hole 13 Screw insertion hole A Mounting screw a Screw head

Claims (2)

Each is provided with first and second two communication device main bodies, each of which is pivotally supported so as to be openable and closable with each other, and a housing and a lid body are assembled with a plurality of mounting screws, and the mounting screws are exposed to a surface of the communication device. A communication device in which a screw shielding member that covers a screw head is attached to the mounting screw, and a receiving portion corresponding to the screw shielding member is provided on a communication device surface different from the communication device surface,
As the screw shielding member, a cushioning material also serving as an impact force absorbing member is used, and the screw shielding member is provided so as to protrude from a surface portion of the first communication device main body,
The receiving portion is a concave portion into which a part of a protruding portion of the screw shielding member enters when the first and second communication device main bodies are folded,
A foldable portable communication device , wherein a tip end surface of a projecting portion of the screw shielding member has a planar shape, and a bottom surface of the concave portion with which the screw shielding member abuts has a planar shape . 2. The depth of the recess is such that when a part of the projecting portion of the screw shielding member enters, a slight gap is formed between the surface portions of the first and second communication device bodies. Foldable portable communication device.

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