JP2010051023A - Foldable mobile terminal and mobile terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a foldable mobile terminal and mobile terminal for obtaining secure waterproofness. <P>SOLUTION: The foldable mobile terminal 10 includes, in a hinge part side terminal portion 23A in a lengthwise direction of an upper case 14, a first connecting part 41 connected to a conductive part 28A of an upper printed circuit board 28; a plate-like member 42, having conductivity, disposing a first protruding part 53 inside a hinge case 31; a second connecting part 44 elastically connected to the plate-like member, within the hinge case, and connected to a hinge part 32 at a first contact portion 57 to supply power; and a waterproofing member 45 brought into tight contact with the plate-like member for waterproofing the upper case 14 from the hinge case. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a foldable portable terminal and a portable terminal.

In a waterproof foldable portable terminal, when an antenna is configured, it is ideal to arrange the antenna in a waterproof area (see, for example, Patent Document 1).
However, in some cases, it is preferable to arrange the antenna in the non-waterproof area such as the vicinity of the surface of the housing or the hinge in view of the performance and configuration of the antenna.

  For example, when a casing dipole antenna is configured with a hinge as a part of an antenna, power is supplied to the hinge, and a frame of the casing or a ground pattern of a printed circuit board is configured as an antenna (for example, see Patent Document 2). . By making the hinge part itself conductive and making it possible to use the hinge part as a power supply path instead of the power supply line, a process for passing the power supply line through the hinge part becomes unnecessary, and the number of assembly steps can be reduced. . Further, in the portable radio device including the feed line, the antenna performance is deteriorated due to the deformation of the feed line inside the hinge portion. However, in the portable radio device according to the present invention, it can be suppressed in principle. The antenna performance can be secured stably.

JP 2007-53718 A Japanese Patent No. 3596774

  However, in this configuration, when waterproof measures are taken, the hinge portion is not a waterproof area, so it is necessary to ensure waterproofing so that water does not enter the housing.

  The present invention has been made to satisfy the above-described demand, and an object of the present invention is to provide a foldable portable terminal and a portable terminal that can provide reliable waterproofness even when a housing dipole antenna is configured. It is in.

  A foldable portable terminal according to the present invention includes a foldable portable terminal including a waterproof first casing, a second casing, and a non-waterproof connecting portion that connects the first casing and the second casing. In the portable mobile terminal, the connecting portion includes a conductive hinge portion and a non-waterproof hinge case that covers the hinge portion, and at the hinge portion side end portion in the longitudinal direction of the first housing, A first connecting portion connected to a conductive portion of a printed circuit board; a conductive plate-like member connected to the first connecting portion and partially disposed in the hinge case; and the hinge case A second connecting portion that is elastically connected to the plate-like member in the inside, and is connected to the hinge portion at the other end to feed power, and is in close contact with the plate-like member, from the hinge case to the first And a waterproof member that waterproofs the housing. To.

A first connection portion was provided at an end portion on the hinge portion side in the longitudinal direction of the first casing, and the first connection portion was connected to the conductive portion of the printed circuit board. A plate-like member was connected to the first connection portion. A part of the plate-like member is disposed in the hinge case and has conductivity.
In the hinge case, the second connection portion was elastically connected to the plate-like member, and the other end of the second connection portion was connected to the hinge portion so as to be able to supply power.
A waterproof member was brought into close contact with the plate-shaped member to waterproof the first casing from the hinge case.

Here, a housing dipole antenna is constituted by a plate-shaped member, a hinge portion, a conductive portion of a printed circuit board, and the like.
Thereby, even if it is a case where a housing | casing dipole antenna is comprised, reliable waterproofness is acquired.

  Further, the present invention is characterized in that, in the plate-like member, a protruding portion is formed, and the protruding portion is arranged in the hinge case.

  By forming the projecting portion on the plate-like member and arranging the projecting portion in the hinge case, the length in the longitudinal direction of the housing can be shortened while ensuring the antenna path length, so that the housing can be downsized. .

  Furthermore, the present invention is characterized in that the plate-like member is a metal plate.

  By making the plate-like member a metal plate, the conductivity of the plate-like member can be easily obtained.

  In the present invention, the plate member is a flexible substrate.

  By using the plate-like member as a flexible substrate, the degree of freedom in design can be increased.

  Furthermore, the present invention is characterized in that the first connection part or the second connection part is a leaf spring.

  A connection part can be obtained with a simple configuration by using the first connection part or the second connection part as a leaf spring.

  In the invention, it is preferable that the waterproof member is a double-sided adhesive tape, and is adhered to at least a portion of the plate-like member surrounding a contact point with the first connection portion.

The waterproof member was a double-sided adhesive tape, and the double-sided adhesive tape was adhered to a portion of the plate-like member surrounding at least a contact point with the first connection portion.
By using a double-sided adhesive tape as the waterproof member, waterproofing of the contact point with the first connection portion can be performed at low cost, and ease of assembly can be achieved.

  Furthermore, the present invention is characterized in that the first casing includes a display unit, and the plate-like member is disposed between the display unit and the hinge unit.

  In the present invention, since the plate-like member is disposed between the display portion and the hinge portion, and a part of the sheet metal member protrudes from the hinge portion, the sheet metal member constitutes a part of the antenna, for example. In this case, the length of the first casing in the longitudinal direction can be shortened while ensuring the antenna path length, and thus the foldable portable terminal can be miniaturized.

  In the present invention, the conductive portion of the printed circuit board of the first housing, the plate-like member, the hinge portion, and the conductive portion of the printed circuit board disposed inside the second housing serve as an antenna. It is characterized by operation.

  In the present invention, since the printed circuit board of the first housing and the printed circuit board of the second housing serve as antennas via the plate-like member, in other words, the longitudinal dimension of the first housing and the longitudinal length of the second housing. Since the total length of the directional dimensions can be used as an antenna, a highly sensitive antenna can be obtained, and the number of components can be reduced as compared with a case where an antenna of equivalent performance such as a whip antenna is separately provided. Furthermore, by using the conductive portion of the hinge for the power supply path instead of the power supply line, a process for passing the power supply line through the hinge portion becomes unnecessary, and the number of assembly steps can be reduced. Further, in the portable radio device including the feed line, the antenna performance is deteriorated due to the deformation of the feed line inside the hinge. However, in the portable radio device according to the present invention, it can be suppressed in principle, so that the high antenna The performance can be secured stably.

  Furthermore, the present invention is elastically connected to a waterproof housing, a planar antenna disposed outside the housing, and a conductive portion of a printed circuit board housed in the housing. A connection portion elastically connected to the antenna, and a waterproof member that is in close contact with the antenna and that surrounds a connection portion between the antenna and the connection portion and waterproofs.

In the portable terminal of the present invention, a planar antenna is disposed outside the waterproof casing regardless of the folding type, straight type, or the like. The connecting portion was elastically connected to the conductive portion of the printed circuit board accommodated in the housing, and the connecting portion was elastically connected to the antenna.
Then, a waterproof member is brought into close contact with the antenna, and this waterproof member surrounds the connection portion between the antenna and the connection portion to be waterproof.
Thereby, the reliable waterproofness of the connection location of an antenna and a connection part is obtained.

  In addition, the mobile terminal of the present invention includes a covering member that covers a connection hole between the connection portion of the antenna and the communication hole that is exposed to the outside of the casing, and the connection portion of the antenna. The engaging claw provided on the member is engaged with the opening edge of the communication hole, and a part of the support member that supports the connecting portion is disposed adjacent to the engaging claw, whereby the opening edge The engagement state with respect to the portion is maintained.

A covering member that covers the communication hole that exposes the connecting portion to the outside of the housing is provided, and the covering member covers the connection portion of the antenna with the connecting portion.
An engagement claw was provided on the covering member, and a part of the support member was disposed adjacent to the engagement claw.
Thereby, while engaging an engaging claw with the opening edge part of a communicating hole, and supporting a connection part by a part of support member, the engagement state with respect to an opening edge part is maintained, and waterproofness can be maintained.

  According to the foldable portable terminal and the portable terminal of the present invention, there is an effect that reliable waterproofness can be obtained.

(A) is a perspective view which shows the state which expanded the foldable portable terminal of 1st Embodiment which concerns on this invention, (B) is a perspective view which shows the state which folded the foldable portable terminal of 1st Embodiment. The disassembled perspective view which shows the state which looked at the upper housing | casing from 1st Embodiment from the display part side. The disassembled perspective view which shows the state which looked at the upper housing | casing from 1st Embodiment from the front cover side. The disassembled perspective view which shows the state which looked at the back cover which comprises the upper housing | casing of 1st Embodiment from the board | substrate side. The perspective view which shows the state which looked at the back cover which comprises the upper housing | casing of 1st Embodiment from the display part side. Part A enlarged view of FIG. Part B enlarged view of FIG. The disassembled perspective view which shows the state which decomposed | disassembled the plate-shaped member from the back cover of 1st Embodiment, and was seen from the hinge case side. The disassembled perspective view which shows the state which decomposed | disassembled the plate-shaped member from the back cover of 1st Embodiment, and was seen from the other side of the hinge case. Part C enlarged view of FIG. (A) is the front view which shows the plate-shaped member and waterproofing member of 1st Embodiment, (B) is the side view, (C) is the back view. The top view which shows the plate-shaped member and storage recessed part of 1st Embodiment The rear view which shows the plate-shaped member and storage recessed part of 1st Embodiment 4A is a cross-sectional view taken along line DD in FIG. 4, and FIG. 4B is a cross-sectional view taken along line EE in FIG. The disassembled perspective view which shows the state which looked at the lower housing | casing of 2nd Embodiment from the back surface side. The exploded perspective view which shows the state which looked at the lower housing | casing of 2nd Embodiment from the surface side. The perspective view which shows the connection part and support member of 2nd Embodiment. The top view which shows the connection part and antenna of 2nd Embodiment The perspective view which shows the coating | coated member and 1st waterproofing member of 2nd Embodiment. The top view which shows the state which attached the antenna to the lower housing | casing of 2nd Embodiment. FF sectional view of FIG. GG sectional view of FIG.

Hereinafter, a foldable portable terminal and a portable terminal according to embodiments of the present invention will be described with reference to the drawings.
As shown in FIG. 1, the foldable portable terminal 10 of the first embodiment includes a lower casing (second casing) 11 provided with an operation unit 12 and an upper casing (first casing) provided with a display unit 15. 1 casing) 14 and a non-waterproof connecting portion 17 that foldably connects the lower casing 11 and the upper casing 14.

The lower casing 11 is provided with a lower printed circuit board (printed circuit board) 21 (see FIG. 22) and is waterproof.
The upper housing 14 includes a substantially rectangular front cover 23 formed in a boat shape, a back cover 24 fitted to the opening side of the front cover 23, and a decorative panel 25 covering the back cover 24, and is waterproof. It has.

  The front cover 23 is provided with a mounting portion 27 where a second connection portion 44 described later is provided at a hinge portion side end portion 23A in the longitudinal direction of the upper housing 14.

The back cover 24 is formed in a substantially rectangular shape, and includes a display unit 15 and an upper printed circuit board (printed circuit board) 28 (see FIG. 4).
The back cover 24 is provided with a non-waterproof hinge case 31 at the hinge-side end 24A in the longitudinal direction of the upper housing 14, and a storage recess 34 is provided at the hinge-side end 24A. A projecting opening 35 is provided at the center, and an insertion hole 37 is provided in the wall 34 </ b> A of the storage recess 34.

A hinge part 32 (see FIG. 14A) having conductivity is provided in the hinge case 31.
As shown in FIG. 14A, the connecting portion 17 is configured by the hinge portion 32 and the hinge case 31.

  The foldable portable terminal 10 includes a first connection portion 41 provided at the hinge-side end 23A in the longitudinal direction of the upper housing 14 and a conductive plate-like member connected to the first connection portion 41. 42, a second connecting portion 44 connected to the plate-like member 42 and the hinge portion 32, a waterproof member 45 that waterproofs the upper casing 14 from the hinge case 31, and a receiving member 47 that receives the plate-like member 42. And a housing dipole antenna that operates as an antenna.

As shown in FIGS. 7 and 14, the first connection portion 41 is a leaf spring that is formed in a substantially U shape so as to be elastically deformable and has a protrusion 51 formed on the lower end portion 41 </ b> A.
By using the first connection portion 41 as a leaf spring, the connection portion can be obtained with a simple configuration.
In the first connection portion 41, the upper end portion 41 </ b> B is connected (mounted) to the conductive portion 28 </ b> A of the upper printed circuit board 28, and the protrusion 51 is elastically connected to the plate-like member 42.

As shown in FIGS. 10 to 12, the plate-like member 42 is a metal plate that is formed in a substantially rectangular shape and provided with first and second projecting portions 53 and 54.
By using the plate member 42 as a metal plate, the conductivity of the plate member 42 can be easily obtained.
The plate-like member 42 is disposed in the storage recess 34, and a first protrusion (a part of the plate-like member 42 (that is, a protrusion)) 53 is inserted through the insertion hole 37.

By arranging the plate-like member 42 in the storage recess 34, the plate-like member 42 is arranged between the display unit 15 and the hinge unit 32 (see FIG. 14A).
While the plate-like member 42 is disposed between the display unit 15 and the hinge unit 32 and the first projecting unit 53 projects from the hinge unit 32, while ensuring the antenna path length of the housing dipole antenna, The length of the upper casing 14 in the longitudinal direction can be shortened, whereby the foldable portable terminal 10 can be reduced in size.

Moreover, the 1st protrusion part 53 (namely, a part of plate-shaped member 42) is arrange | positioned (inserted) in the hinge case 31 by the 1st protrusion part 53 being penetrated by the insertion hole 37. FIG. .
The second projecting portion 54 is provided to facilitate the work of incorporating the plate-like member 42 into the housing recess 34.

As shown in FIG. 6, the second connection portion 44 is a leaf spring provided in the attachment portion 27 of the front cover 23.
By using the second connection portion 44 as a leaf spring, the connection portion can be obtained with a simple configuration.
As shown in FIGS. 6 and 7, the second connection portion 44 has a locking portion 56 that can be locked to the attachment portion 27, and protrudes from the locking portion 56 and can be elastically deformed toward the hinge portion 32. And a second contact portion 58 that protrudes from the locking portion 56 and is bent toward the plate-like member 42 so as to be elastically deformable.

As shown in FIG. 14A, the first contact portion 57 is a portion that is elastically connected to the hinge portion 32.
The second contact portion 58 is a portion that is elastically connected to the first protrusion 53 in the hinge case 31.
By connecting the first contact portion 57 to the hinge portion 32 and connecting the second contact portion 58 to the first protruding portion 53, power can be supplied.

As shown in FIGS. 10 and 11, the waterproof member 45 is a double-sided adhesive tape that is in close contact with the plate-like member 42 and waterproofs the upper casing 14 from the hinge case 31.
The waterproof member 45 is formed in a substantially rectangular frame shape, and is adhered to a portion 42 </ b> A surrounding at least a contact point with the first connection portion 41 of the plate-like member 42.
By using a double-sided adhesive tape as the waterproof member 45, the waterproofing of the part 42A surrounding the contact point with the first connection part 41 can be performed at low cost, and the ease of assembly can be facilitated.

  As shown in FIGS. 2, 3, and 14B, the receiving member 47 is formed in a substantially rectangular shape, receives the plate member 42, and has a cushioning property (elasticity) for suitably holding the plate member 42. ).

  The case dipole antenna is a conductive part 28A of the upper printed circuit board 28 provided in the upper case 14, a plate-like member 42, a hinge part 32, and the conductive property of the lower printed circuit board 21 disposed inside the lower case 11. 21A (see FIG. 22).

As described above, according to the foldable mobile terminal 10 of the first embodiment, the waterproof member 45 is brought into close contact with the plate-like member 42 to be waterproofed from the hinge case 31 to the upper housing 14.
Thereby, even if it is a case where a housing | casing dipole antenna is comprised, reliable waterproofness is acquired.

(Modification)
In the foldable portable terminal 10 of the first embodiment, the example in which the metal plate is used as the plate-like member 42 has been described. However, the present invention is not limited thereto, and the plate-like member 42 can be a flexible substrate.
By using a flexible substrate as the plate-like member 42, an effect that the degree of freedom of design can be increased is obtained.

(Second Embodiment)
Next, a second embodiment will be described with reference to FIGS. In addition, in 2nd Embodiment, the same code | symbol is attached | subjected about the same similar member as 1st Embodiment, and description is abbreviate | omitted.
As shown in FIGS. 15 to 16, the foldable portable terminal 70 of the second embodiment includes a planar antenna 72 disposed outside the lower housing 11 and a conductive portion 21 </ b> A of the lower printed circuit board 21 (FIG. 22). And a connecting portion 74 that is elastically connected to the antenna 72, a first waterproof member (waterproof member) 76 that surrounds and connects the antenna 72 and the connection portion 74A of the connecting portion 74, and a covering that covers the antenna 72 And a member 78.
In the second embodiment, a foldable portable terminal is illustrated, but the configuration of the second embodiment can be applied to, for example, a straight portable terminal.

The lower housing 11 is provided with a communication hole 81 that exposes the antenna contact portion 89 of the connection portion 74 to the outside of the lower housing 11.
The antenna 72 includes a base 83 formed in a substantially rectangular shape, and an antenna main body 84 extended from the base 83 in a band shape.
A pair of through holes 85 are formed in the base 83 at a predetermined interval.
The antenna 72 is attached to the lower housing 11 as shown in FIG.

As shown in FIG. 17, the connection portion 74 is a member formed by bending a leaf spring.
The connecting portion 74 includes a main body portion 88 attached to a resin support member 87, and an antenna that protrudes from the main body portion 88 and is bent so as to be elastically deformable toward the base 83 (see FIG. 16) of the antenna 72. A contact portion 89.

  As shown in FIGS. 21 and 22, the connection portion 74 is connected to the conductive portion 21 </ b> A of the lower printed circuit board 21 accommodated in the lower housing 11 via the pin connector 91 (see also FIG. 20). The antenna contact portion 89 is elastically connected to the base 83 of the antenna 72 while being elastically connected.

As shown in FIG. 22, the pin connector 91 has a base end portion 92A of the main body 92 mounted on the conductive portion 21A of the lower printed circuit board 21, and a protruding portion 93 at the front end portion 92B of the main body 92 as a coil spring (not shown). It is provided so that it can project and retract freely.
The pin connector 91 is connected in a state where the protruding portion 93 is pressed by the main body portion 88 of the connecting portion 74.

  As shown in FIGS. 15 and 18, the first waterproof member 76 is formed in a substantially rectangular frame shape, is in close contact with the periphery of the base 83 of the antenna 72, and the base 83 and the antenna contact portion 89 of the connection portion 74. This is a double-sided adhesive tape that surrounds the connection portion 83A and waterproofs.

As shown in FIGS. 15 and 19, the covering member 78 is provided with a pair of engaging claws 95 that can be engaged with the opening edge 81 </ b> A (see also FIG. 22) of the communication hole 81.
The covering member 78 is formed in a substantially rectangular shape so as to cover the connection portion 83A of the antenna 72 with the connecting portion 74, and a pair of engaging claws 95 are provided in the vicinity of both opposing sides.
The pair of engaging claws 95 are members that can be engaged with the opening edge 81A of the communication hole 81 as shown in FIG.

Here, a part of the support member 87 that supports the connecting portion 74, specifically, a pair of protrusions 87 </ b> A (see FIGS. 17 and 22) is disposed adjacent to the back surface of the pair of engaging claws 95.
Therefore, the engagement state of the pair of engagement claws 95 with respect to the opening edge portion 81A can be maintained by the pair of protrusions 87A.
By maintaining the engagement state of the pair of engagement claws 95 with respect to the opening edge 81A of the communication hole 81, it is possible to prevent the covering member from being detached and to maintain the waterproof property.

The covering member 78 is provided with a second waterproof member 97.
As shown in FIGS. 15 and 19, the second waterproof member 97 is formed in a substantially rectangular frame shape, is in close contact with the periphery of the covering member 78, and connects the base 83 and the antenna contact portion 89 of the connection portion 74. It is a double-sided adhesive tape that surrounds the portion 83A and waterproofs.

As described above, according to the foldable portable terminal 70 of the second embodiment, the first waterproof member 76 and the first waterproof member 97 are in close contact with the antenna 72, and the first waterproof member 76 and the first waterproof member 97 are used. The connection portion 83A between the antenna 72 and the connection portion 74 can be surrounded and waterproofed.
Thereby, reliable waterproofness of the connection part 83A of the antenna 72 and the connection part 74 is obtained.

  In the first and second embodiments, the example in which the double-sided adhesive tape is used as the waterproof member 45, the first waterproof member 76, and the second waterproof member 97 has been described. However, the present invention is not limited to this. It is also possible to use other waterproof members such as pressure bonding and adhesive.

  In the first and second embodiments, the metal plate is used as the plate-like member 42. However, the present invention is not limited to this, and a member obtained by plating a resin plate can also be used. is there.

  Further, in the first and second embodiments, the conductive portion 28A of the upper printed circuit board 28 and the conductive portion 21A of the lower printed circuit board 21 are used as the constituent members of the antenna. However, the present invention is not limited to this. It is also possible to use other conductive members such as a metal frame of the upper housing 14 as a constituent member of the antenna.

  The present invention is suitable for application to a foldable portable terminal and a portable terminal in which a first casing having a display unit and a second casing having an operation unit are foldably connected by a connecting unit.

10, 70 Foldable mobile terminal 11 Lower housing (second housing)
14 Upper housing (first housing)
15 Display unit 17 Connection unit 21 Lower printed circuit board (printed circuit board)
21A, 28A Conductive part 23A Hinge side end 28 Upper printed circuit board (printed circuit board)
31 hinge case 32 hinge part 41 first connection part 42 plate-like member 44 second connection part 45 waterproof member 53 first protrusion (part of the plate-like member (ie, protrusion))
57 1st contact part (other end)
58 2nd contact part 72 Antenna 74 Connection part 74A Connection location 76 Waterproof member 78 Cover member 81 Communication hole 81A Opening edge part 87 Support member 87A Protrusion (part of support member)
95 engaging claw

Claims (10)

A waterproof first housing,
A second housing;
In a foldable portable terminal comprising: a non-waterproof connecting portion that connects the first housing and the second housing;
The connecting portion is
A conductive hinge part, and a non-waterproof hinge case covering the hinge part,
A first connection part connected to the conductive part of the printed circuit board at the hinge part side end in the longitudinal direction of the first housing;
A plate-like member having conductivity, which is connected to the first connection portion and a part of which is disposed in the hinge case,
A second connecting portion that is elastically connected to the plate-like member in the hinge case and that feeds power by connecting to the hinge portion at the other end;
A waterproof member that is in close contact with the plate-like member and waterproofs the first casing from the hinge case;
A foldable portable terminal characterized by comprising:   The foldable portable terminal according to claim 1, wherein a protrusion is formed in the plate member, and the protrusion is disposed in the hinge case.   The foldable portable terminal according to claim 1, wherein the plate-like member is a metal plate.   The foldable portable terminal according to claim 1, wherein the plate-like member is a flexible substrate.   The foldable portable terminal according to claim 1, wherein the first connection part or the second connection part is a leaf spring.   2. The foldable portable terminal according to claim 1, wherein the waterproof member is a double-sided adhesive tape, and is adhered to at least a portion of the plate-like member surrounding a contact point with the first connection portion. . The first housing includes a display unit,
The foldable portable terminal according to claim 1, wherein the plate-like member is disposed between the display unit and the hinge unit. A conductive portion of the printed circuit board of the first housing;
The plate-like member, the hinge part,
The foldable portable terminal according to any one of claims 1 to 7, wherein the conductive portion of the printed circuit board disposed inside the second casing operates as an antenna. A waterproof housing,
A planar antenna disposed outside the housing;
A connection portion elastically connected to the conductive portion of the printed circuit board housed in the housing and elastically connected to the antenna;
A waterproof member that is in close contact with the antenna and waterproofs around a connection portion between the antenna and the connection portion;
A portable terminal characterized by comprising: A communication hole that exposes the connecting portion to the outside of the housing;
A covering member that covers the connection portion of the antenna with the connection portion,
In the covering member, an engaging claw provided on the covering member is engaged with an opening edge of the communication hole, and a part of a support member that supports the connecting portion is disposed adjacent to the engaging claw. The mobile terminal according to claim 9, wherein the engaged state with respect to the opening edge is maintained.

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