JP2016208165A - Electronic apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable a metal bezel member for holding a display unit to be grounded to a ground part arranged in a housing body while achieving thinning in a whole terminal.SOLUTION: A fitting recession 22 in which a display unit 11 and a bezel member 30 are fitted is formed in a housing body 21 of a first housing 20. A ground part 23 is exposed in the bottom surface of the fitting recession 22. An insertion hole 24 is opened in the side wall surface of the fitting recession 22. An insertion part 31 of the bezel member 30 is inserted to the insertion hole 24. The bezel member 30 is fixed to the housing body 21 by engaging a fixing part 32 with an engagement part 25 of the housing body 21. The back surface of the bezel member 30 is brought into contact with swelling parts 23a of the ground part 23 by predetermined contact pressure, so as to be electrically connected.SELECTED DRAWING: Figure 6

Description

  The present invention relates to an electronic device.

  Conventionally, a first casing provided with a display unit, a second casing provided with an operation key, and a hinge part that folds and connects the first casing and the second casing so as to be freely opened and closed are provided. A foldable portable terminal is known (see, for example, Patent Document 1).

  The first housing includes a resin case formed in a frame shape, a display unit, a sheet metal member provided on the back surface of the display unit, a circuit board electrically connected to a reference potential, and a cover. I have. The display unit, the sheet metal member, and the circuit board stacked between the case and the cover are fastened together by fastening the case and the cover with screws. In this way, the sheet metal member is brought into contact with a predetermined contact pressure and electrically connected to the circuit board, thereby preventing static electricity from entering the periphery of the display unit and preventing the display unit from malfunctioning due to static electricity. doing.

JP 2007-208314 A

  By the way, in invention of patent document 1, in order to ensure the contact pressure of the sheet-metal member with respect to a circuit board, a case and a cover are screwed together. However, in such a configuration, it is necessary to provide a counterbore hole in the case so that the head portion of the screw does not protrude from the surface of the case, and there is a problem that the thickness of the entire terminal increases accordingly.

  The present invention has been made in view of such a point, and an object of the present invention is to provide a metal bezel member for holding a display unit on a grounding portion provided on a housing body while reducing the thickness of the terminal as a whole. It is to be able to ground.

  The present invention is directed to an electronic device including a housing having a display unit, and the following solution is taken.

  That is, the present invention includes a metal bezel member that is disposed on the back side of the display unit and holds the display unit, and the housing is at least partially made of a metal member, and the display unit and A housing body formed with a fitting recess into which the bezel member is fitted, and a grounding portion formed by exposing a part of the metal member electrically connected to a reference potential to the bottom surface of the fitting recess. An insertion hole that opens near the grounding portion is formed on the side wall surface of the fitting recess, and the bezel member is inserted into the insertion hole and attached to the housing body. It has an insertion portion and a fixing portion that fixes the bezel member to the housing body in a state where the bezel member is electrically connected to the grounding portion.

  In this invention, it becomes difficult for a bezel member to move to the thickness direction of a housing | casing by inserting the insertion part of a bezel member in the insertion hole formed in the side wall surface of a fitting recessed part. Thereby, even when the bezel member receives a load in a direction away from the grounding portion, the bezel member can be brought into contact with a predetermined contact pressure and electrically connected to the grounding portion. In addition, since the insertion portion of the bezel member is inserted into the insertion hole, and the bezel member is fixed to the housing body by the fixing portion, it is not necessary to screw the bezel member, and the entire terminal can be thinned. Can do.

  In addition, the present invention includes a metal bezel member that is disposed on the back side of the display unit and holds the display unit, and the housing is at least partially made of a metal member, and the display unit and A housing body formed with a fitting recess for fitting the bezel member, and a ground formed by exposing a part of the metal member electrically connected to a reference potential to the side wall surface of the fitting recess. The bezel member grips the side wall surface of the fitting recess in which the grounding portion is exposed, thereby electrically connecting the bezel member to the grounding portion and the housing body. It may be characterized by having a gripping part to be fixed to.

  In this invention, the side wall surface of the fitting recess in which the ground contact portion is exposed is gripped by the grip portion of the bezel member. Thereby, a bezel member can be made to contact with predetermined contact pressure, and can be electrically connected to a grounding part. In addition, since the bezel member is fixed to the housing body by the grip portion, it is not necessary to screw the bezel member, and the entire terminal can be thinned.

  Even if the bezel member receives a load and moves slightly in the thickness direction of the housing, the grip portion of the bezel member continues to contact the grounding portion exposed on the side wall surface of the fitting recess, and the grounding state is maintained. be able to.

  In addition, the present invention includes a metal bezel member that is disposed on the back side of the display unit and holds the display unit, and the housing is at least partially made of a metal member, and the display unit and A housing body formed with a fitting recess for fitting the bezel member, and a ground formed by exposing a part of the metal member electrically connected to a reference potential to the side wall surface of the fitting recess. And an insertion hole that opens in the vicinity of the grounding portion is formed on the side wall surface of the fitting recess, and the bezel member is inserted into the insertion hole and attached to the housing body. A fixing portion for fixing the bezel member to the housing body in a state where the contact portion is electrically connected to the grounding portion while being in contact with the grounding portion. It may be characterized by having a part.

  In this invention, it becomes difficult for a bezel member to move to the thickness direction of a housing | casing by inserting the insertion part of a bezel member in the insertion hole formed in the side wall surface of a fitting recessed part. Further, since the grounding portion is provided so as to be exposed on the side wall surface of the fitting recess, even if the bezel member receives a load and moves slightly in the thickness direction of the housing, the contact portion of the bezel member becomes the grounding portion. The contact will continue and the grounding state can be maintained.

  In addition, since the insertion portion of the bezel member is inserted into the insertion hole, and the bezel member is fixed to the housing body by the fixing portion, it is not necessary to screw the bezel member, and the entire terminal can be thinned. Can do.

  According to the present invention, it is not necessary to screw the bezel member, and the entire terminal can be thinned. Further, the bezel member can be brought into contact with a predetermined contact pressure and electrically connected to the grounding portion.

It is a perspective view which shows the structure of the portable terminal which concerns on this Embodiment 1. FIG. It is a disassembled perspective view which shows the structure of a 1st housing | casing. It is a perspective view when inserting the insertion part of a bezel member in the insertion hole of a housing body. It is side surface sectional drawing when inserting the insertion part of a bezel member in the insertion hole of a housing body. It is a perspective view when engaging the fixing | fixed part of a bezel member with the engaging part of a housing body. It is side surface sectional drawing when the fixing | fixed part of a bezel member is engaged with the engaging part of the housing body. It is side surface sectional drawing which shows the structure of a 1st housing | casing. It is side surface sectional drawing which shows the structure of the 1st housing | casing which concerns on this Embodiment 2. FIG. It is side surface sectional drawing which shows the structure of the 1st housing | casing which concerns on this Embodiment 3. FIG. It is side surface sectional drawing which shows the structure of the 1st housing | casing which concerns on this Embodiment 4. FIG. It is side surface sectional drawing which shows the structure of the 1st housing | casing which concerns on this Embodiment 5. It is side surface sectional drawing which shows the state which closed the 1st and 2nd metal mold | die. It is side surface sectional drawing which shows the state which opened the 1st and 2nd metal mold | die. In the 1st housing | casing which concerns on this Embodiment 6, it is sectional drawing when an insertion hole and a grounding part are seen from the fitting recessed part. It is AA arrow sectional drawing of FIG. It is BB arrow sectional drawing of FIG.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. It should be noted that the following description of the preferred embodiment is merely illustrative in nature and is not intended to limit the present invention, its application, or its use.

Embodiment 1
As shown in FIGS. 1 and 2, the mobile terminal 10 as an electronic device includes a first housing 20 having a display unit 11 and a second housing 40 having an operation unit (not shown). The first housing 20 and the second housing 40 are connected by a hinge portion 45 so as to be foldable.

  The first housing 20 includes a display unit 11 and a resin housing body 21 that houses the display unit 11. A metal bezel member 30 is disposed on the back side of the display unit 11. The bezel member 30 holds the display unit 11 and fixes it to the housing body 21. Further, the bezel member 30 may be used for reinforcing or protecting the display unit 11.

  The housing body 21 is formed with a fitting recess 22 into which the display unit 11 and the bezel member 30 are fitted. A transparent protective panel 12 that covers the display surface of the display unit 11 is attached to the front side of the housing body 21. An exterior panel 13 is attached to the back side of the housing body 21.

  As shown in FIGS. 3 and 4, an insert sheet metal 16 as a metal member is insert-molded in the housing body 21. A grounding portion 23 is provided in a part of the insert metal plate 16. The grounding portion 23 is exposed on the bottom surface of the fitting recess 22 at a position near the hinge portion 45 in the housing body 21 and on both sides in the width direction. The grounding portion 23 is provided with a bulging portion 23 a that bulges from the bottom surface of the fitting recess 22. The grounding part 23 is electrically connected to a reference potential of a main board (not shown) accommodated in the second housing 40 via a hinge part 45.

  An insertion hole 24 is formed in the side wall surface of the fitting recess 22. The insertion hole 24 opens near the grounding portion 23. Specifically, the insertion holes 24 are respectively opened at positions on both sides in the width direction on the side wall surface of the fitting recess 22 near the hinge portion 45 corresponding to the exposed position of the grounding portion 23.

  The bezel member 30 is formed of a sheet metal member that is bent so as to surround the outer peripheral edge of the display unit 11. An insertion portion 31 is provided at the end of the bezel member 30 on the hinge portion 45 side. On the other hand, a fixing portion 32 (see FIG. 5) is provided at the end of the bezel member 30 opposite to the hinge portion 45.

  The insertion portion 31 is formed in an L-shaped cross section by being bent so as to be erected from the back side to the front side of the display unit 11. The insertion portion 31 is attached to the housing body 21 by being inserted into the insertion hole 24, and restricts the bezel member 30 from moving in the thickness direction of the first housing 20.

  As shown in FIGS. 5 and 6, the fixing portion 32 is formed in a clip shape that is elastically deformable and opens to the bottom surface side of the fitting recess 22. The housing body 21 is provided with an engaging portion 25 that is erected from the bottom surface of the fitting recess 22 and engaged with the fixing portion 32. The bezel member 30 is fixed to the housing body 21 by engaging the fixing portion 32 with the engaging portion 25.

  At this time, as shown in FIG. 7, the back surface of the bezel member 30 is in contact with and electrically connected to the bulging portion 23 a of the grounding portion 23 with a predetermined contact pressure. Thereby, the conduction state between the bezel member 30 and the grounding portion 23 can be stabilized.

  Further, since the insertion portion 31 of the bezel member 30 is inserted into the insertion hole 24, even when the bezel member 30 receives a load in a direction away from the grounding portion 23, the thickness direction of the first housing 20 is increased. Therefore, the ground contact state of the bezel member 30 can be maintained.

<< Embodiment 2 >>
Hereinafter, the same portions as those in the first embodiment are denoted by the same reference numerals, and only differences will be described. As shown in FIG. 8, an insert sheet metal 16 as a metal member is insert-molded in the housing body 21. A grounding portion 23 is provided in a part of the insert metal plate 16. The grounding portion 23 is exposed on the bottom surface of the fitting recess 22 at a position near the hinge portion 45 in the housing body 21. The grounding portion 23 is formed in a shape in which a part thereof is recessed. An elastic member 15 having conductivity is fitted in the recessed portion of the grounding portion 23.

  Here, as the elastic member 15 having conductivity, for example, a conductive cloth is bonded to the surface of the urethane foam, and the surface side (bezel member 30 side) and the back side (the grounding portion 23 side of the insert sheet metal 16) of the urethane foam. Can be electrically connected by a conductive cloth.

  In a state where the bezel member 30 is fixed to the housing body 21, the elastic member 15 is sandwiched between the bezel member 30 and the grounding portion 23. As a result, the back surface of the bezel member 30 is in electrical contact with the grounding portion 23 through the elastic member 15 at a predetermined contact pressure, and the bezel member 30 and the grounding portion 23 are electrically connected. The state can be stabilized.

<< Embodiment 3 >>
Hereinafter, the same portions as those in the first embodiment are denoted by the same reference numerals, and only differences will be described. As shown in FIG. 9, the bezel member 30 has an elastic portion 33 that extends toward the grounding portion 23 and can be elastically deformed. The elastic portion 33 is formed in a leaf spring shape by cutting and raising a part of the bezel member 30 and bending it.

  In a state where the bezel member 30 is fixed to the housing body 21, the elastic portion 33 of the bezel member 30 is in contact with the grounding portion 23 and an elastic force is applied. As a result, the bezel member 30 is brought into a state of being electrically connected to the grounding portion 23 by a predetermined contact pressure by the elastic force of the elastic portion 33, and the bezel member 30 and the grounding portion 23 are electrically connected. Can be stabilized.

<< Embodiment 4 >>
Hereinafter, the same portions as those in the first embodiment are denoted by the same reference numerals, and only differences will be described. As shown in FIG. 10, an insert sheet metal 16 as a metal member is insert-molded in the housing body 21. A grounding portion 23 is provided in a part of the insert metal plate 16. The grounding portion 23 is exposed on the side wall surface of the fitting recess 22 at a position near the hinge portion 45 in the housing body 21.

  The bezel member 30 is formed of a sheet metal member that is bent so as to surround the outer peripheral edge of the display unit 11. A grip portion 35 is provided at an end portion of the bezel member 30 on the hinge portion 45 side.

  The grip portion 35 is formed in an elastically deformable clip shape that opens to the bottom surface side of the fitting recess 22. A bulging portion 35 a that bulges toward the grounding portion 23 is provided on the surface of the gripping portion 35 that faces the grounding portion 23.

  The gripping part 35 fixes the bezel member 30 to the housing body 21 by gripping the side wall surface of the fitting recess 22 where the grounding part 23 is exposed. At this time, the bulging part 35a of the grip part 35 is in a state of being in contact with and electrically connected to the grounding part 23 with a predetermined contact pressure. Thereby, the conduction state between the bezel member 30 and the grounding portion 23 can be stabilized.

  Even if the bezel member 30 receives a load and slightly moves in the thickness direction of the first housing 20, the bulging portion 35 a of the gripping portion 35 is connected to the grounding portion 23 exposed on the side wall surface of the fitting recess 22. The contact will continue and the grounding state can be maintained.

<< Embodiment 5 >>
Hereinafter, the same parts as those of the fourth embodiment are denoted by the same reference numerals, and only differences will be described. As shown in FIG. 11, an insert sheet metal 16 as a metal member is insert-molded in the housing body 21. A grounding portion 23 is provided in a part of the insert metal plate 16. The grounding portion 23 is exposed on the side wall surface of the fitting recess 22 at a position near the hinge portion 45 in the housing body 21. The grounding portion 23 is integrally formed with a flange portion 26 that is bent along the end surface on the opening side of the fitting recess 22.

  In this manner, the flange portion 26 is formed integrally with the grounding portion 23 and has a shape extending from the side wall surface of the fitting recess 22 along the end surface on the opening side of the fitting recess 22, so that the grounding portion 23 is enclosed by the housing. When insert molding is performed on the body main body 21, the resin hardly leaks to the surfaces of the grounding portion 23 and the flange portion 26.

  Specifically, as shown in FIGS. 12 and 13, the housing body 21 has the insert sheet metal 16 disposed in a cavity 53 in a state where the first mold 51 and the second mold 52 are closed, It is molded by injecting resin into the cavity 53.

  Here, since the flange portion 26 is integrally formed with the grounding portion 23 of the insert metal plate 16, when the insert metal plate 16 is brought into contact with the molding surface of the first mold 51, the flange portion 26 and the first metal plate 51 are connected. The mold 51 comes into surface contact. Therefore, compared to the case where the end edge portion of the grounding portion 23 is brought into contact with the first mold 51 without providing the flange portion 26 on the insert sheet metal 16, the molding surface of the insert sheet metal 16 and the first mold 51. A wide contact area can be secured. This makes it difficult for the resin to leak from between the flange portion 26 and the molding surface of the first mold 51.

Embodiment 6
Hereinafter, the same portions as those in the first embodiment are denoted by the same reference numerals, and only differences will be described. As shown in FIGS. 14 to 16, an insert sheet metal 16 as a metal member is insert-molded in the housing body 21. A grounding portion 23 is provided in a part of the insert metal plate 16. The grounding portion 23 is exposed on the side wall surface of the fitting recess 22 at a position near the hinge portion 45 in the housing body 21.

  An insertion hole 24 is formed in the side wall surface of the fitting recess 22. The insertion hole 24 opens near the grounding portion 23.

  The bezel member 30 is formed of a sheet metal member that is bent so as to surround the outer peripheral edge of the display unit 11. An insertion portion 31 and a contact portion 36 are provided at an end portion of the bezel member 30 on the hinge portion 45 side. On the other hand, a fixing portion 32 (see FIG. 5) is provided at the end of the bezel member 30 opposite to the hinge portion 45.

  The insertion portion 31 is attached to the housing body 21 by being inserted into the insertion hole 24, and restricts the bezel member 30 from moving in the thickness direction of the first housing 20. The contact portion 36 is formed in an L-shaped cross section by being bent so as to stand from the back side to the front side of the display unit 11. On the surface of the contact portion 36 that faces the grounding portion 23, a bulging portion 36a that bulges toward the grounding portion 23 is provided.

  In a state where the bezel member 30 is fixed to the housing body 21, the bulging portion 36 a of the contact portion 36 is in contact with the grounding portion 23 with a predetermined contact pressure and is electrically connected. . Thereby, the conduction state between the bezel member 30 and the grounding portion 23 can be stabilized.

  Further, even if the bezel member 30 receives a load and slightly moves in the thickness direction of the first housing 20, the bulging portion 36 a of the contact portion 36 contacts the grounding portion 23 exposed on the side wall surface of the fitting recess 22. The contact will continue and the grounding state can be maintained.

<< Other Embodiments >>
About the said embodiment, it is good also as following structures.

  That is, in the present embodiment, the insertion portion 31 is bent so as to be erected from the back side to the front side of the display unit 11, but from the front side to the back side of the display unit 11. May be bent so as to stand upright or not.

  In the embodiment, the mobile terminal 10 may be a tablet terminal, a PHS (Personal Handy-phone System), a PDA (Personal Digital Assistant), a personal computer, a mobile tool, an electronic dictionary, a calculator, a game machine, or the like.

  As described above, the present invention has a highly practical effect that the metal bezel member that holds the display unit can be grounded to the grounding portion provided in the housing body while the terminal is thinned as a whole. Since it is obtained, it is extremely useful and has high industrial applicability.

10 Mobile devices (electronic devices)
11 Display Unit 15 Elastic Member 16 Insert Sheet Metal (Metal Member)
DESCRIPTION OF SYMBOLS 20 1st housing | casing 21 Housing | casing main body 22 Fitting recessed part 23 Grounding part 24 Insertion hole 26 Flange part 30 Bezel member 31 Insertion part 32 Fixing part 33 Elastic part 35 Gripping part 36 Contact part

Claims (8)

An electronic device including a housing having a display unit,
A metal bezel member disposed on the back side of the display unit and holding the display unit;
The housing includes at least a part of a metal body and a housing main body formed with a fitting recess into which the display unit and the bezel member are fitted, and the metal member electrically connected to a reference potential. A grounding portion formed by exposing a part of the bottom of the fitting recess,
An insertion hole that opens in the vicinity of the grounding portion is formed on the side wall surface of the fitting recess,
The bezel member is inserted into the insertion hole and attached to the housing main body, and a fixing portion for fixing the bezel member to the housing main body in a state where the bezel member is electrically connected to the grounding portion. And an electronic device. In claim 1,
The electronic device according to claim 1, wherein the insertion portion is configured to restrict movement of the bezel member in a thickness direction of the casing. In claim 1 or 2,
An electronic device, wherein an elastic member having conductivity is sandwiched between the bezel member and the grounding portion. In claim 1 or 2,
The electronic device according to claim 1, wherein the bezel member includes an elastic portion that extends toward the grounding portion and is elastically deformable. An electronic device including a housing having a display unit,
A metal bezel member disposed on the back side of the display unit and holding the display unit;
The housing includes at least a part of a metal body and a housing main body formed with a fitting recess into which the display unit and the bezel member are fitted, and the metal member electrically connected to a reference potential. A grounding part formed by exposing a part of the fitting recess to the side wall surface;
The bezel member has a gripping portion for electrically connecting the bezel member to the grounding portion and fixing the bezel member to the housing body by gripping a side wall surface of the fitting recess where the grounding portion is exposed. An electronic device including the electronic device. In claim 5,
An electronic apparatus, wherein the grounding portion is integrally formed with a flange portion that is bent so as to be exposed along the end surface on the opening side of the fitting recess from the side wall surface of the fitting recess. An electronic device including a housing having a display unit,
A metal bezel member disposed on the back side of the display unit and holding the display unit;
The housing includes at least a part of a metal body and a housing main body formed with a fitting recess into which the display unit and the bezel member are fitted, and the metal member electrically connected to a reference potential. A grounding part formed by exposing a part of the fitting recess to the side wall surface;
An insertion hole that opens in the vicinity of the grounding portion is formed on the side wall surface of the fitting recess,
The bezel member is inserted into the insertion hole and attached to the housing main body, a contact portion electrically connected to the grounding portion, and the contact portion is brought into contact with the grounding portion to be electrically connected. An electronic device comprising: a fixing portion that fixes the bezel member to the housing body in a state where the bezel member is connected to the housing. In claim 7,
The electronic device according to claim 1, wherein the insertion portion is configured to restrict movement of the bezel member in a thickness direction of the casing.

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