JP6691301B2 - Electronic equipment and housing - Google Patents

Description

  The present invention relates to an electronic device and a housing.

  There is known an electronic device in which a button is arranged on a side surface of a housing and a switch provided in the housing is pressed by pressing the button. For example, in order to improve waterproofness, a mobile terminal in which an elastic member is fitted in a through hole of a middle case located between a switch arranged in the middle case of the case and a button arranged on a side surface of the case. A device is known (for example, Patent Document 1). Further, in the structure in which the case is attached to the case body, the case is provided with the engaging claw and the deformation preventing protrusion, and the case body is provided with the engaging concave portion corresponding to the engaging claw and the deformation preventing protrusion corresponding to the deformation preventing protrusion. A structure provided with a recess for use is known (for example, Patent Document 2).

JP, 2006-344528, A JP2012-234944A

  The second case may be combined with the first case to form a housing so that the side wall of the first case is inside the side wall of the second case. The side wall of the second case may be provided with a movable portion which is inserted into a through hole penetrating the side wall and is movable in the extending direction of the through hole. When the movable part projects toward the inside of the second case from the side wall of the second case, when the second case is combined with the first case, the movable part hits the parts in the first case and the like, and the mounting direction of the second case. It may be pushed and moved in the opposite direction. In this case, the movable part may be displaced from a predetermined position and a problem may occur.

  In one aspect, it is an object to prevent a problem from occurring when forming a housing.

  According to one aspect, the side wall of the first case is inside the side wall of the second case, the second case is combined with the first case, and the through hole is provided in the side wall of the second case. A movable part that is inserted into the second case, is movable in the extending direction of the through hole, and has a protruding part that protrudes inward of the second case from the side wall of the second case. The surface of the two cases located on the opening side is an inclined surface that is inclined such that the height from the side wall of the second case increases as the distance from the opening side of the second case to the side opposite to the opening side increases. An electronic device comprising: a housing having: and an electronic component provided in the housing.

  According to one mode, the side wall of the first case is inside the side wall of the second case, and the second case is combined with the first case. A movable part that is inserted into a through hole provided in the second case, is movable in the extending direction of the through hole, and has a protruding part that protrudes inward of the second case from the side wall of the second case; The surface of the part located on the opening side of the second case increases in height from the side wall of the second case as it goes from the opening side of the second case to the side opposite to the opening side. Is a housing having a slanted surface.

  As one aspect, it is possible to suppress the occurrence of defects when forming the housing.

FIG. 1 is a perspective view of a mobile terminal device according to an embodiment. FIG. 2 is an exploded perspective view before the rear case is assembled to the front case. FIG. 3A is a perspective view showing the inside of the rear case, and FIG. 3B is an enlarged perspective view of a part of FIG. 3A. FIG. 4 is a cross-sectional view taken along the line AA of FIG. FIG. 5 is a cross-sectional view of a portion of the mobile terminal device according to the embodiment provided with buttons. FIG. 6 is a cross-sectional view of a portion of the mobile terminal device according to the comparative example where buttons are provided. FIG. 7: is sectional drawing which shows the process of combining a rear case with a front case in the portable terminal device which concerns on a comparative example. FIG. 8 is a cross-sectional view showing a step of assembling the rear case with the front case in the mobile terminal device according to the embodiment.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is a perspective view of a mobile terminal device 100 according to an embodiment. The mobile terminal device 100 according to the embodiment is an information terminal device such as a smartphone or a tablet PC that is used while being carried by a user. As shown in FIG. 1, the mobile terminal device 100 of the embodiment has a housing 10 in which a front case 12 and a rear case 14 are combined. The front case 12 and the rear case 14 are made of, for example, a resin material. A touch panel is attached to the front surface of the front case 12. A button 30 is provided on the side surface of the rear case 14. The button 30 is formed of, for example, a synthetic resin such as ABS resin or polycarbonate. In the following, the lateral direction of the mobile terminal device 100 is illustrated as the X direction, the longitudinal direction as the Y direction, and the thickness direction as the Z direction.

  FIG. 2 is an exploded perspective view before the rear case 14 is assembled to the front case 12. As shown in FIG. 2, the housing 10 is formed by combining the rear case 14 with the front case 12 from the Z-axis direction. Before the rear case 14 is assembled with the front case 12, the button 30 is inserted into a through hole provided in the side wall of the rear case 14. In the front case 12, a battery 60 and an electronic component 62 such as a printed circuit board and / or an antenna for NFC (Near Field Communication) are mounted on the printed circuit board. An elastic member 32 made of rubber, for example, is fitted in a through hole provided in the side wall of the front case 12. The elastic member 32 is located between the button 30 provided on the side wall of the rear case 14 and the switch provided in the front case 12 when the rear case 14 is assembled to the front case 12. Note that, in FIG. 2, the elastic member 32 is illustrated separately from the front case 12 for the sake of easy understanding.

  FIG. 3A is a perspective view showing the inside of the rear case 14, and FIG. 3B is an enlarged perspective view of a part of FIG. 3A. As shown in FIGS. 3A and 3B, the button 30 inserted into the through hole provided in the side wall 16 of the rear case 14 is formed inside the rear case 14 by an adhesive such as double-sided tape. It is attached to 34. For example, the plurality of buttons 30 are attached to one sheet 34, and the number of parts of the sheet 34 is reduced thereby. The sheet 34 is attached to the side wall 16 of the rear case 14 inside the rear case 14 with an adhesive such as double-sided tape. In FIG. 3B, the sticking portion X of the sheet 34, which is stuck to the button 30, is indicated by dense diagonal lines. The sticking part Y stuck to the side wall 16 of the rear case 14 is shown by a rough diagonal line. The non-sticking portion Z that is not stuck to either the button 30 or the rear case 14 is shown without hatching. Thus, the button 30 is fixed to the side wall 16 of the rear case 14 inside the rear case 14 by the seat 34. The sheet 34 is made of, for example, PET (Polyethylene Terephthalate), and has a thickness of about 0.1 mm. The seat 34 is provided with a portion that is not attached to the side wall 16 of the rear case 14 so that the button 30 can be pressed and moved.

  The button 30 has a flat portion 36 and a protruding portion 38 that protrudes more toward the inside of the rear case 14 than the side wall 16 of the rear case 14. The protruding portion 38 has a columnar portion 40 located near the center of the flat portion 36, and a plurality of linear portions 42 a and 42 b extending from the columnar portion 40. The linear portion 42a extends from the cylindrical portion 40 toward the opening side of the rear case 14. The linear portion 42b extends from the columnar portion 40 in a direction intersecting with the linear portion 42a. The linear portion 42a is inclined so that the height from the side wall 16 of the rear case 14 becomes higher from the opening side of the rear case 14 toward the side opposite to the opening (that is, the bottom side of the rear case 14). It has a face 39.

  The side wall 16 of the rear case 14 is provided with an eaves portion 44 that projects to the inside of the rear case 14. The eaves portion 44 is located closer to the opening side of the rear case 14 than the button 30.

  FIG. 4 is a cross-sectional view taken along the line AA of FIG. As shown in FIG. 4, the eaves portion 44 projects more inside the rear case 14 than the seat 34 in the attaching portion Y attached to the side wall 16 of the rear case 14. The columnar portion 40 of the projecting portion 38 projects more inside the rear case 14 than the eaves portion 44.

  FIG. 5 is a cross-sectional view of a portion of the mobile terminal device 100 according to the embodiment where the button 30 is provided. As shown in FIG. 5, the side wall 16 of the rear case 14 is located outside the side wall 13 of the front case 12, and the front case 12 and the rear case 14 are combined. A seal member 68 made of an elastic member is provided around the inside of the rear case 14. The seal member 68 is in contact with the front case 12, whereby the waterproof property of the space formed between the front case 12 and the rear case 14 is ensured.

  A display device 72 including a touch panel 70 is attached to the front surface of the front case 12 by a fixture 74. The touch panel 70 includes, for example, an LCD (Liquid Crystal Display), and displays images, various information, operation input images such as touch operation buttons, and the like. A battery 60 fitted in a battery cover 64 is mounted on a printed circuit board 66 arranged in the front case 12.

  A button 30 is inserted into a through hole 20 provided in the side wall 16 of the rear case 14. The button 30 has a protruding portion 38 that is movable in the extending direction of the through hole 20 (the thickness direction of the side wall 16) and protrudes more inside the rear case 14 than the side wall 16. The cylindrical portion 40 included in the protruding portion 38 and the switch 46 arranged in the front case 12 face each other with the elastic member 32 fitted in the through hole penetrating the side wall 13 of the front case 12 interposed therebetween. There is. As a result, the button 30 is pushed from the outside of the rear case 14, the elastic member 32 is deformed, and the switch 46 is pushed.

  The linear portion 42a of the protruding portion 38 of the button 30 located on the opening side of the rear case 14 is higher than the side wall 16 of the rear case 14 as it goes from the opening side of the rear case 14 to the side opposite to the opening. Has an inclined surface 39 that is inclined so as to be higher. An eaves portion 44 is provided on the side wall 16 of the rear case 14 located closer to the opening side of the rear case 14 than the button 30. The height H1 of the eaves portion 44 from the side wall 16 of the rear case 14 is lower than the maximum height H2 of the protruding portion 38 from the side wall 16 of the rear case 14.

  Here, in describing the effect of the mobile terminal device 100 of the first embodiment, a mobile terminal device of a comparative example will be described. FIG. 6 is a cross-sectional view of a portion of the mobile terminal device 500 according to the comparative example where the button 30 is provided. As shown in FIG. 6, also in the portable terminal device 500 of the comparative example, the side wall 16 of the rear case 14 is located outside the side wall 13 of the front case 12, and the front case 12 and the rear case 14 are combined.

  A display device 72 having a touch panel 70 is attached to the front surface of the front case 12 by a fixture 74. A button 30 is inserted into a through hole 20 provided in the side wall 16 of the rear case 14. The button 30 has a protruding portion 38 that is movable in the extending direction of the through hole 20 (the thickness direction of the side wall 16) and protrudes more inside the rear case 14 than the side wall 16. The projecting portion 38 faces the switch 46 arranged in the front case 12 via the elastic member 32 fitted in the through hole penetrating the side wall 13 of the front case 12.

  The side surface of the protruding portion 38 of the button 30 is substantially perpendicular to the side wall 16 of the rear case 14. That is, in the mobile terminal device 500 of the comparative example, the surface of the protrusion 38 located on the opening side of the rear case 14 is substantially perpendicular to the side wall 16 of the rear case 14 and is not tapered. . Further, the eaves portion 44 is not provided on the side wall 16 of the rear case 14 which is located closer to the opening side of the rear case 14 than the button 30.

  FIG. 7 is a cross-sectional view showing a process of assembling the rear case 14 and the front case 12 in the mobile terminal device 500 according to the comparative example. As shown in FIG. 7, the housing 10 is formed by combining the rear case 14 with the front case 12 from the Z direction. At this time, the distance between the respective parts is reduced for downsizing of the mobile terminal device, and the protruding portion 38 of the button 30 provided on the side wall 16 of the rear case 14 is provided in the front case 12 (for example, an elastic member). 32). As a result, the button 30 may be pushed and moved in a direction opposite to the direction in which the rear case 14 is assembled to the front case 12. In this case, there occurs a problem that the switch 30 cannot be pressed by the button 30.

  FIG. 8 is a cross-sectional view showing a process of assembling the rear case 14 and the front case 12 in the mobile terminal device 100 according to the embodiment. As shown in FIG. 8, when the protruding portion 38 of the button 30 comes into contact with a component inside the front case 12 when the rear case 14 is assembled to the front case 12 from the Z direction, the linear portion 42a of the protruding portion 38 is a component. Will come into contact with. The straight portion 42a has an inclined surface 39 whose height from the side wall 16 of the rear case 14 increases from the opening side of the rear case 14 toward the side opposite to the opening side. Therefore, when the linear portion 42a comes into contact with a component inside the front case 12, the button 30 is pushed in a direction intersecting with the mounting direction of the rear case 14 (that is, the thickness direction of the side wall 16 of the rear case 14). It will move. The button 30 is inserted into the through hole 20 provided in the side wall 16 of the rear case 14 and is movable in the extending direction of the through hole 20. Therefore, although the button 30 tends to cause a problem when it moves in the direction opposite to the mounting direction of the rear case 14, the problem does not easily occur even when it moves in a direction intersecting with the mounting direction of the rear case 14. Therefore, in the mobile terminal device 100 according to the embodiment, it is possible to prevent a problem from occurring when the rear case 14 is combined with the front case 12 to form the housing 10.

  According to the embodiment, as shown in FIGS. 3B and 5, the opening side of the rear case 14 of the protruding portion 38 of the button 30 is a linear portion 42a. The linear portion 42a has an inclined surface 39 that is inclined so that the height from the side wall 16 of the rear case 14 increases from the opening side of the rear case 14 toward the side opposite to the opening side. Thereby, as described in FIG. 8, when the rear case 14 is assembled to the front case 12, it is possible to prevent the button 30 from being pushed and moved in the direction opposite to the assembling direction of the rear case 14. Therefore, when the rear case 14 is combined with the front case 12 to form the housing 10, it is possible to prevent a problem from occurring.

  Further, according to the embodiment, as shown in FIGS. 3B and 5, the rear case 14 has the eaves portion 44 on the side wall 16 located on the opening side of the button 30. The eaves portion 44 projects inside the rear case 14 at a height lower than the maximum height of the protruding portion 38 of the button 30 from the side wall 16 of the rear case 14. By providing such an eaves portion 44, the rear case 14 can be combined with the front case 12 while the position of the rear case 14 with respect to the front case 12 is substantially aligned with the normal position.

  If the eaves portion 44 has a height equal to or higher than the maximum height of the protruding portion 38 of the button 30, the protruding portion 38 may come into contact with a component inside the front case 12 when the rear case 14 is assembled with the front case 12. Can be suppressed. However, if the eaves portion 44 is higher than the maximum height of the protruding portion 38 of the button 30, it may happen that the switch 46 cannot be pushed even if the button 30 is pushed. Therefore, it is preferable that the eaves portion 44 is lower than the maximum height of the protruding portion 38 of the button 30 from the side wall 16 of the rear case 14.

  Further, according to the embodiment, as shown in FIG. 3B, the seat 34 is attached to the attaching portion Y attached to the side wall 16 of the rear case 14, the button 30, and the rear case 14. Not attached portion Z, and. The pasted portion Y of the seat 34 is located farther from the opening of the rear case 14 than the eaves portion 44. The non-sticking portion Z of the seat 34 is arranged at a position farther from the opening of the rear case 14 than the linear portion 42a included in the protruding portion 38 of the button 30. As shown in FIG. 4, the height of the eaves portion 44 from the side wall 16 of the rear case 14 is higher than that of the attachment portion Y of the seat 34. Thereby, when the rear case 14 is assembled to the front case 12, it is possible to prevent the seat 34 from coming into contact with the components inside the front case 12. Therefore, it is possible to prevent the seat 34 from peeling off from the side wall 16 of the rear case 14. Even when the non-sticking portion Z of the seat 34 is bent, when the rear case 14 is assembled to the front case 12, the protruding portion 38 of the button 30 is pushed by a component in the front case 12 so that the seat 34 is not bent. Will be reduced.

  In addition, in the embodiment, as shown in FIG. 5, the height of the linear case 42a from the side wall 16 of the rear case 14 increases from the side of the rear case 14 toward the side opposite to the side thereof. However, the present invention is not limited to this case. It suffices that at least a part of the linear portion 42a is the inclined surface 39, and it is preferable that at least the portion of the linear portion 42a closer to the inner side of the rear case 14 is the inclined surface 39. For example, it is preferable that at least a portion of the linear portion 42a that protrudes more toward the inside of the rear case 14 than the eaves portion 44 is the inclined surface 39. Further, when the eaves portion 44 is not provided, it is preferable that all the linear portions 42a are the inclined surfaces 39. Of course, even when the eaves portion 44 is provided, the linear portion 42a is It is preferable that all are inclined surfaces 39.

  In the embodiment, in the case of the button 30 that pushes the switch 46 in the housing 10 as the movable portion that is inserted into the through hole 20 provided in the side wall 16 of the rear case 14 and is movable in the extending direction of the through hole 20. However, other cases may be used. Further, in the embodiment, the case of the mobile terminal device has been shown as an example, but other electronic devices may be used.

  Although the embodiments of the present invention have been described in detail above, the present invention is not limited to these specific embodiments, and various modifications and alterations are possible within the scope of the gist of the present invention described in the claims. It can be changed.

The following supplementary notes will be disclosed with respect to the above description.
(Supplementary Note 1) The side wall of the first case is inside the side wall of the second case, the second case is combined with the first case, and is inserted into a through hole provided in the side wall of the second case. And a movable part having a protrusion that is movable in the extending direction of the through hole and that protrudes more toward the inside of the second case than the side wall of the second case. The surface located on the opening side has an inclined surface that is inclined so that the height from the side wall of the second case becomes higher as going from the opening side of the second case to the side opposite to the opening side, An electronic device comprising a housing and an electronic component provided in the housing.
(Supplementary Note 2) The electronic device according to Supplementary Note 1, wherein all of the surfaces of the protrusions located on the opening side of the second case are the inclined surfaces.
(Supplementary Note 3) The casing has a maximum height of the protrusion from the side wall of the second case on the side wall of the second case located closer to the opening side of the second case than the movable portion. 3. The electronic device according to appendix 1 or 2, further comprising an overhanging portion that protrudes inside the second case at a low height.
(Supplementary Note 4) The casing has a maximum height of the protrusion from the side wall of the second case on the side wall of the second case located closer to the opening side of the second case than the movable portion. Also has an eaves portion that protrudes toward the inner side of the second case at a lower height, and a surface of the protruding portion located on the opening side of the second case is at least the second case than the eaves portion. The electronic device according to appendix 1, wherein the portion that protrudes inwardly is the inclined surface.
(Supplementary Note 5) The housing includes a fixture for fixing the movable portion to the side wall of the second case inside the second case, and is attached to the side wall of the second case among the fixtures. The attached part is placed at a position farther from the opening of the second case than the eaves part, and the non-attached part that is not attached to either the movable part or the side wall of the second case is The protrusion is arranged at a position farther from the opening of the second case than the inclined surface of the protrusion, and the eaves is higher than the sticking portion of the fixture from the side wall of the second case. The electronic device according to appendix 3 or 4, wherein the electronic device is highly expensive.
(Appendix 6) The appendix according to any one of Appendixes 1 to 5, wherein the movable portion is a button that pushes a switch provided in the housing by moving in a direction perpendicular to the side wall of the second case. Electronics.
(Supplementary Note 7) A case in which the side wall of the first case is inside the side wall of the second case and the second case is combined with the first case, and is provided on the side wall of the second case. A movable portion that is inserted into the through hole, is movable in the extending direction of the through hole, and has a protruding portion that protrudes inward of the second case from the side wall of the second case. The surface of the second case located on the opening side is inclined so that the height from the side wall of the second case increases as it goes from the opening side of the second case to the side opposite to the opening side. A housing having an inclined surface.

DESCRIPTION OF SYMBOLS 10 Housing 12 Front case 13 Side wall of front case 14 Rear case 16 Side wall of rear case 20 Through hole 30 Button 32 Elastic member 34 Sheet 36 Flat part 38 Projection part 39 Inclined surface 40 Cylindrical part 42a, 42b Straight part 44 eaves Part 46 Switch 60 Battery 62 Electronic Component 64 Battery Cover 66 Printed Circuit Board 68 Sealing Member 70 Touch Panel 72 Display Device 74 Fixture 100 Mobile Terminal Device

Claims (4)

The side wall of the first case is inside the side wall of the second case, the second case is combined with the first case, and the second case is inserted into the through hole provided in the side wall of the second case to insert the through hole. A movable part that is movable in the extending direction of the second case and has a protrusion that protrudes inward of the second case from the side wall of the second case, and is positioned on the opening side of the second case of the protrusions. The housing has a sloped surface that is inclined such that the height from the side wall of the second case increases from the opening side of the second case toward the side opposite to the opening side,
An electronic component provided in the housing ,
The housing has a height lower than a maximum height of the protrusion from the side wall of the second case on the side wall of the second case located closer to the opening side of the second case than the movable portion. A canopy portion protruding inside the second case,
Electronics. The housing includes a fixture for fixing the movable portion to the side wall of the second case inside the second case,
The attaching portion of the fixture, which is attached to the side wall of the second case, is disposed at a position farther from the opening of the second case than the eaves portion, and the movable portion and the second case are provided. The non-adhered portion that is not adhered to any of the side walls is arranged at a position farther from the opening of the second case than the inclined surface of the protrusion,
The eaves section has the than the sticking portion of the fixture is higher height from the side wall of the second case, the electronic device according to claim 1, wherein. The electronic device according to claim 1 or 2 , wherein the movable portion is a button that pushes a switch provided in the housing by moving in a direction perpendicular to the side wall of the second case. A case in which the side wall of the first case is inside the side wall of the second case and the second case is combined with the first case,
The second case has a protruding portion that is inserted into a through hole provided in the side wall of the second case, is movable in the extending direction of the through hole, and protrudes inward of the second case from the side wall of the second case. A moving part ,
Inside the second case, at a height lower than the maximum height of the protrusion from the side wall of the second case, on the side wall of the second case located closer to the opening side of the second case than the movable portion. With an overhanging part that overhangs ,
Height from the surface located on the opening side of the second case, the side wall of the second casing toward the opposite side of the opening side from the opening side of the second casing of said protrusion A housing having an inclined surface inclined so that the height becomes higher.

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