JP6124941B2 - Stand structure for portable electronic device, portable electronic device, and holding method - Google Patents

Description

  The present invention relates to a stand structure for a portable electronic device having a flat casing.

  Portable electronic devices such as tablet terminals and smartphones have a flat housing, and are held by hand or placed on a desk to view the screen. If the display surface is facing upward when placed on a desk, the angle of the line of sight with respect to the display surface becomes small and difficult to see, so some portable electronic devices are devised to increase the angle of line of sight. An example of the stand structure of the conventional tablet terminal 10 is shown in FIG.

  The housing 11 has a display 13 mounted on the surface and a stand 15 attached to the back. The stand 15 is joined by a hinge so as to be folded back. When the tablet terminal 10 is held and used, the stand is folded, and when used on the desk, the stand 15 is opened. The user adjusts the angle at which the stand 15 is opened to suit the line of sight. The tablet terminal 10 can be used like a notebook personal computer by holding a posture using the stand 15 when placed on a desk and preparing a wirelessly connected keyboard. Patent Documents 1 to 3 disclose a stand structure that can be stored in a casing of an electronic device. Patent Document 4 discloses a stand structure capable of adjusting the height of the display and the angle with respect to the line of sight.

US Patent Application Publication No. 2014/0293534 US Patent Application Publication No. 2015/0069099 US Patent Application Publication No. 2014/0291174 US Patent Application Publication No. 2007/0058329

  Among the existing stand structures that can be stored in the case of a portable electronic device, the angle of the surface of the display with respect to the line of sight can be adjusted because one piece of the case is in contact with the placement surface. The height of the display from cannot be adjusted. In addition, the stand structure capable of adjusting the height and angle of the display is too large to be housed in the housing. SUMMARY OF THE INVENTION An object of the present invention is to provide a portable electronic device stand structure that can adjust both the height and angle of a display surface. A further object of the present invention is to provide a portable electronic device stand structure that can be easily carried together with a casing. Furthermore, the objective of this invention is providing the portable electronic device and holding method which mount such a stand structure.

  The present invention provides a stand structure for a portable electronic device including a flat casing. The stand structure according to the first aspect of the present invention includes a first stand attached to the back surface of the housing so as to be rotatable between a stored state and an open state, and a back surface of the housing between the stored state and the open state. The first stand and the second stand in an open state can lift the housing from the placement surface and adjust the height and angle with respect to the placement surface. To. Since it floats up from the mounting surface, it is convenient especially when the user is viewing the screen below while standing.

  If the first stand and the second stand are in close contact with the back in the stored state, it is convenient to carry. The first stand and the second stand can be coupled to the back side by a torque hinge. Each of the first stand and the second stand can be rotated along a rotation axis parallel to one side of the rectangular housing. The rotation axes of the first stand and the second stand may be located close to each other at the center of the back surface. In this case, the side surfaces of the first stand and the second stand form an inverted V shape in the mounted state.

  The first stand and the second stand can be configured such that the height of the housing increases as the rotation angle from the stored state increases. The rotation axis of the first stand may exist near one side of the housing, and the rotation axis of the second stand may exist near the side opposite to the one side. In this case, the first stand and the second stand may intersect in an X shape when viewed from the side when in the open state.

  A third stand attached to the back surface of the first stand so as to be rotatable in a direction perpendicular to the rotation direction of the first stand, and a back surface of the first stand perpendicular to the rotation direction of the second stand. A fourth stand rotatably attached to the direction, and when the first stand and the second stand are in the retracted state, the third stand and the fourth stand are opened from the placement surface. The housing can be lifted and the height and angle of the housing can be adjusted. By opening either the first stand and the second stand set or the third stunt or the fourth stand set in the open state, the long side and the short side of the rectangular housing can be in the vertical direction. Can be set to

  The stand structure according to the second aspect of the present invention includes a turntable that is rotatably attached to the back surface of the housing, a first stand that is attached to the turntable so as to be rotatable between a stored state and an open state, And a second stand attached to the turntable so as to be rotatable between a housed state and an opened state, the first stand and the second stand are opened, and the housing is floated from the mounting surface. Allows adjustment of body height and angle. By rotating the turntable, either the long side or the short side of the rectangular housing can be set in the vertical direction.

  According to a third aspect of the present invention, there is provided a method in which a first stand and a second stand, which are rotatably accommodated on the back surface of a casing, hold the posture of the portable electronic device on the mounting surface. The first stand in the storage state is rotated in a predetermined direction from the back surface, the second stand in the storage state is rotated in the opposite direction to the predetermined direction from the back surface, and the first stand and the second stand are mutually connected. The height of the housing is adjusted by the angle formed in the above, and the angle of the display surface with respect to the placement surface is adjusted by the angle of the back surface with respect to the first stand or the second stand.

  According to the present invention, a stand structure of a portable electronic device that can adjust both the height and angle of the display surface can be provided. Furthermore, according to the present invention, it is possible to provide a stand structure for a portable electronic device that can be easily carried together with a casing. Furthermore, according to the present invention, it is possible to provide a portable electronic device mounted with such a stand structure and a holding method.

4 is a perspective view for explaining a stand structure of portable electronic device 100. FIG. 4 is a perspective view for explaining a stand structure of portable electronic device 100. FIG. 2A and 2B are a rear view and a side view for explaining a stand structure of the portable electronic device 100. FIG. 2A and 2B are a rear view and a side view for explaining a stand structure of the portable electronic device 200. FIG. 4 is a rear view for explaining a stand structure of portable electronic device 300. FIG. 4 is a rear view for explaining a stand structure of portable electronic device 400. FIG. It is a figure which shows an example of the stand structure of the conventional tablet terminal.

  1 and 2 are perspective views for explaining a stand structure of a portable electronic device 100 typified by a tablet terminal or a smartphone. 3A is a rear view of the portable electronic device 100, and FIG. 3B is a side view. The portable electronic device 100 has an electronic device mounted inside a flat housing 101. The display surface 101a of the housing 101 is configured by a display 103, and stands 105 and 115 are attached to the back surface 101b.

  The display surface 101a and the back surface 101b are substantially flat surfaces. Here, the flat housing cannot stand by itself when left on the placement surface 50, and is stable in a state where the display surface 101a or the back surface 101b is in contact with the placement surface. The display surface 101a refers to the surface on the display 103 side, and the back surface refers to the surface of the housing 101 that faces the display surface.

  In one example, the casing 101 has a rectangular planar shape and can define short sides 102a and 102n and long sides 102c and 102d (FIG. 3). The portable electronic device 100 can detect a change in posture with an acceleration sensor, and can display an image with the top and bottom adjusted on the display 103 regardless of which side is positioned upward. The stand 105 is attached to the back surface 101b with torque hinges 107a and 107b, and the stand 115 is attached to the back surface 101b with torque hinges 117a and 117b.

  As shown in FIG. 3A, in one example, the torque hinges 107a and 107b are configured so that the stand 105 is in the vicinity of the center line 108 in the longitudinal direction of the housing 101 and is centered on a rotation shaft 106 parallel to the center line 108. It is arranged so that it can be rotated. Further, the torque hinges 117a and 117b are arranged so that the stand 115 can rotate around a rotation shaft 116 parallel to the center line 108 in the vicinity of the center line 108. The torque when the torque hinges 107a, 107b, 117a, and 117b rotate allows the user's force to intentionally operate the stands 105 and 115 to rotate. It is set not to.

  In FIG. 1A, the stands 105 and 115 are stored. In the stored state, the stands 105 and 115 are in close contact with the back surface 101b, and the thickness of the casing 101 is increased by the thickness of the stands 105 and 115 in appearance. The portable electronic device 100 can carry the stands 105 and 115 like a part of the housing 101 when the stands 105 and 115 are stored.

  FIG. 1B shows a state in which the display surface 101a is tilted with respect to the mounting surface 50 by rotating only the stand 115 so that the mounting surface 50 supports the stand 115 and the short side 101b. Yes. 2A and 2B, the stands 105 and 115 are rotated so that the stands 105 and 115 can be supported by the placement surface, the housing 101 is floated from the placement surface, and the display surface 101a is further displayed. Is shown when the is inclined with respect to the mounting surface.

  As shown in FIGS. 2A and 2B, a state in which both the stands 105 and 115 are simultaneously rotated is referred to as an open state. In the open state, the smaller the angle α (FIG. 3) formed by the surfaces of the inverted V-shaped stands 105 and 115, the higher the height of the center line 108 relative to the placement surface 50, and the higher the angle α, the higher the angle α. Becomes lower. The stands 105 and 115 can adjust the angle β (FIG. 3) at which the display surface 101a is inclined with respect to the placement surface 50 while the angle α is constant by the action of the torque hinges 107a, 107b, 117a, and 117b. . Alternatively, the stands 105 and 115 can adjust the angle α while keeping the angle β constant.

  FIG. 4A is a rear view for explaining a stand structure of another portable electronic device 200, and FIG. 4B is a side view showing a state of being placed on the placement surface 50. In FIG. 4A, the stowed stand 205 is attached to the back surface 201b of the casing 201 with torque hinges 207a and 207b, and the stowed stand 215 is attached to the back surface 201b with torque hinges 217a and 217b. . In one example, the torque hinges 207a, 207b, 217a, and 217b include pivot shafts 206a, 206b, 216a, and 216b that are parallel to the long sides 202a and 202b of the housing 201, respectively. The rotation shafts 206a and 206b are arranged at positions close to the long side 202b, and the rotation shafts 216a and 216b are arranged at positions near the long side 202a.

  When the stands 205 and 215 are rotated to the open state, the side surfaces intersect with each other in an X shape on the placement surface 50. The user can adjust the height of the display surface 201a and the angle of the display surface 201a with respect to the placement surface 50 by adjusting the rotation angle of the stands 205 and 215. In the stand structure of the portable electronic devices 100 and 200, the vertical direction of the display surfaces 101a and 201a is determined by the direction of the rotation axis with respect to the side of the casing. It is convenient if the stand structure can mount a portable electronic device with an arbitrary side as the top.

  FIG. 5 is a rear view for explaining a stand structure of portable electronic device 300 in which the user can select the top-and-bottom direction of the housing when placing the device. A stand 305 is attached to the rear surface 301b of the rectangular housing 301 in a plan view with torque hinges 307a and 307b, and a stand 315 is attached with torque hinges 317a and 317b.

  In one example, the torque hinges 307 a and 307 b are arranged so that the stand 305 can rotate around a rotation shaft 306 parallel to the long sides 302 c and 302 d of the housing 301. Further, the torque hinges 317a and 317b are arranged so that the stand 315 can rotate around a rotation shaft 316 parallel to the long sides 302c and 302d. The stands 305 and 315 are in close contact with the back surface 301b in the stored state.

  Stands 405 and 415 are attached to the stand 305 with torque hinges 407 and 417, respectively. Stands 505 and 515 are attached to the stand 315 with torque hinges 507 and 517, respectively. The torque hinges 407 and 417 are arranged so that the stands 405 and 415 can rotate independently of each other around the rotation shafts 406 and 416 parallel to the short sides 302a and 302b of the housing 301. In addition, the torque hinges 507 and 517 are arranged so that the stands 505 and 515 can rotate independently of each other around the rotation shafts 506 and 516 parallel to the short sides 302a and 302b. In the stored state, the stands 405 and 415 are in close contact with the stand 305, and the stands 505 and 515 are in close contact with the stand 315.

  The portable electronic device 300 can carry the stands 305, 315, 405, 415, 505, and 515 in the housed state as a part of the housing 301. When placing the long sides 302c and 302d of the housing 301 in the vertical direction, the stands 305 and 315 are opened as shown in FIG. 2 while the stands 405, 415, 505 and 515 are stored. Thus, the entire housing 301 can be lifted from the placement surface, and the height and tilt angle of the display surface can be adjusted simultaneously. When placing the short sides 302a and 302b with the top and bottom directions, the stands 405, 415, 505, and 515 are opened while the stands 305 and 315 are in the retracted state. The display surface can be floated and the height and tilt angle of the display surface can be adjusted simultaneously.

  FIG. 6 is a rear view for explaining a stand structure of another portable electronic device 400 capable of selecting the top-and-bottom direction of the housing when placed. A turntable 450 is attached to the rear surface 401 b of the rectangular housing 401 in plan so that the housing 401 can rotate. A stand 605 is attached to the turntable 450 with a torque hinge 607, and a stand 615 is attached with a torque hinge 617. Torque hinges 607 and 617 have pivot shafts 606 and 616, respectively.

  The stands 605 and 615 can change the rotation direction with respect to the housing 401 by rotating the turntable 450. 6A shows a storage state in which the rotation shafts 606 and 616 are parallel to the long sides 402c and 402d of the housing 401, and FIG. 6B shows the rotation shafts 606 and 616 having the short sides 402a, The storage state parallel to 402b is shown. When the stands 605 and 615 are opened in the state shown in FIG. 6A during placement, the entire housing 401 is lifted from the placement surface, and the long sides 402c and 402d are positioned in the vertical direction. In addition, when the stands 605 and 615 are opened in the state of FIG. 6B, the entire housing 401 is lifted from the placement surface, and the short sides 402a and 402b are positioned in the top-to-bottom direction.

  When mounting a portable electronic device with a flat housing on the display surface of a display shelf that is close to your feet with the user standing, you can adjust only the angle as in the past. Although it was difficult to see because it was far from the line of sight, the stand structure according to this embodiment is easy to use because the height and angle of the flat casing can be adjusted simultaneously. In addition, the stand structure is convenient because it can be carried in the housed state as part of the housing. However, the stand structure having the features of the present invention can be manufactured as a single unit separate from the housing so that the portable electronic device can be attached only when it is used.

  Although the present invention has been described with the specific embodiments shown in the drawings, the present invention is not limited to the embodiments shown in the drawings, and is known so far as long as the effects of the present invention are achieved. It goes without saying that any configuration can be adopted.

50 Mounting surface 100, 200, 300, 400 Portable electronic device 101, 201, 301, 401 Housing 101a, 201a Display surface 101b, 201b, 301b, 401b Rear surface 103 Display 105, 115, 205, 215, 305, 315 , 405, 415, 505, 515, 605, 615 Stand 106, 116, 206a, 206b, 216a, 216b, 306, 316, 406, 416, 506, 516, 606, 616 Rotating shaft 107a, 107b, 117a, 117b 207a 207b 217a 217b 307a 307b 317a 317b 407 417 507 517 Torque hinge 450 Turntable

Claims (12)

A portable electronic device stand structure,
A flat housing;
A first stand attached to the rear surface of the housing so as to be rotatable between a storage state and an open state;
A second stand attached to the back surface so as to be rotatable between a storage state and an open state;
Stand structure that allows adjustment of the height and angle with respect to the mounting surface wherein said first stand in an open state from the second stand mounting surface by floating the casing.   The stand structure according to claim 1, wherein the first stand and the second stand are in close contact with the back surface in the housed state.   The stand structure according to claim 1, wherein the first stand and the second stand are coupled to the back surface by a torque hinge.   The stand structure according to claim 1, wherein the rotation axes of the first stand and the second stand are located close to each other at the center of the back surface. Stand structure according to claim 4 wherein the second stand and the first stand, which constitute the inverted V-shape when viewed from the side when in the open state.   The stand structure according to claim 4, wherein the height of the housing increases as the rotation angle of the first stand and the second stand from the stored state increases.   The rotation axis of the first stand exists near one side of the housing, and the rotation axis of the second stand exists near a side opposite to the one side. Stand structure. Stand structure according to claim 7 wherein the second stand and the first stand, which constitute the X-viewed from the side surface at the time of the open state. A third stand attached to the back surface of the first stand so as to be rotatable in a direction perpendicular to the rotation direction of the first stand;
A fourth stand attached to the back surface of the first stand so as to be rotatable in a direction perpendicular to the rotation direction of the first stand;
When the first stand and the second stand are in the retracted state, the third stand and the fourth stand are opened, and the housing is lifted from the placement surface to the placement surface. The stand structure according to claim 1, which enables adjustment of height and angle. A portable electronic device stand structure,
A flat housing;
A turntable rotatably attached to the back of the housing;
A first stand attached to the turntable so as to be rotatable between a stored state and an open state;
A second stand rotatably attached to the turntable between a stored state and an open state;
Stand structure that allows adjustment of the height and angle with respect to the placement surface is floated to the housing of the second stand and the first stand from to the mounting surface in the open state.   A portable electronic device comprising the stand structure according to any one of claims 1 to 10. A first stand and a second stand that are pivotally attached to the back surface of the housing, hold the posture of the portable electronic device on the mounting surface,
A step of the first stand in the accommodated state is rotated in a predetermined direction from the rear,
A step of the second stand in the accommodated state is rotated in the direction opposite to the predetermined direction from the rear,
A step in which the said first stand forming an angle to each other the second stand to adjust the height of the housing,
Method comprising the step of the housing at an angle of the back against the first stand and the second stand to adjust the angle of the display surface relative to the mounting surface.

Images