JP5148152B2 - Tilt hinge and electronic device - Google Patents

Description

  The present invention relates to a tilt hinge that rotatably connects a device main body and a display device in a small electronic device such as a notebook personal computer, and an electronic device including the tilt hinge.

  In a small electronic device such as a notebook computer, a mobile phone, or a car navigation device, a display device is attached to the device main body through an opening / closing device so as to be opened and closed. As this opening and closing device, the display device can be opened and closed in the vertical direction relative to the device main body, that is, the display device can be rotated up to 90 ° with respect to the device main body while being able to rotate vertically In some cases, a tilt hinge that can rotate the display device further in the horizontal direction relative to the device body (a direction orthogonal to the opening / closing direction (vertical direction) of the display device) has been proposed (for example, see Patent Document 1). .)

  The tilt hinge described in Patent Document 1 includes an attachment member attached to the apparatus main body, a support member attached to the display device, a horizontal shaft member attached to the attachment member and having a locking groove and extending in the horizontal direction, and a support A third shaft member attached to the member and having an engaging groove and extending in a direction orthogonal to the horizontal shaft member, and connecting the horizontal shaft member and the third shaft member to connect the device main body and the display device in the vertical direction and the horizontal direction. And a regulating member having a regulating pin engaged with either one of the locking groove or the engaging groove. In a state where the display device is closed (closed state), one end of the restriction pin is engaged with the engagement groove, and the rotation of the display device in the horizontal direction is restricted. When the display device is opened at an angle of 90 ° in the vertical direction with respect to the device body from this closed state, the other end of the restriction pin is positioned at a position facing the locking groove. In this state, when a force that rotates the display device in the horizontal direction with respect to the device body is applied to the display device, one end of the restricting pin is detached from the engaging groove and the other end of the restricting pin is the engaging groove. The restriction pin moves so as to enter, and the display device rotates in the horizontal direction with respect to the device body.

As a means for rotating the display device in the horizontal direction with respect to the device main body, a hinge device that supports the display device so as to be able to rotate 360 ° with respect to the device main body has been proposed (for example, see Patent Document 2). ). The hinge device described in Patent Literature 2 includes an attachment member attached to the apparatus main body, a support member provided on the attachment member so as to be rotatable in the horizontal direction and attached to the display device, and an attachment member and a support member. And a rotation ring that is rotatably provided in the horizontal direction and restricts the rotation of the support member in the horizontal direction relative to the mounting member. The rotating ring is engaged with the mounting member so as to be capable of rotating 180 ° in the horizontal direction with respect to the mounting member, and is engaged with the supporting member so as to be capable of rotating 180 ° with respect to the supporting member in the horizontal direction. Yes. Accordingly, the support member can rotate 180 degrees in one horizontal direction with respect to the mounting member together with the rotation ring from the state in which the display device is overlaid on the device body, and the display device is overlaid on the device body The support member can rotate 180 ° in the horizontal direction in the other direction (reverse direction) with respect to the mounting member. When this support member rotates in the horizontal direction of the other direction, the rotation ring is engaged with the mounting member and does not rotate with the support member. In this way, the support member rotates with respect to the attachment member by 360 ° in total, 180 ° in one direction and 180 ° in the other direction.
JP 2005-337301 A JP 2004-332793 A

  The tilt hinge described in Patent Document 1 can rotate the display device in the horizontal direction only when the display device is at an angle of 90 ° in the vertical direction with respect to the device body. However, the restriction pin that restricts the rotation of the display device in the horizontal direction is urged by the elastic means so that one end thereof is engaged with the engagement groove. In the rotatable state, the other end portion of the restriction pin is positioned at a position facing the locking groove, but one end portion of the restriction pin is engaged with the engagement groove. For this reason, it is impossible to grasp the state in which the display device can be rotated in the horizontal direction with respect to the device body, and the display device can be operated in a state where the other end of the restriction pin is not positioned at a position facing the locking groove. It may be rotated in the horizontal direction with respect to the device main body, and the operability is poor.

  Further, when the restriction pin for restricting the rotation of the display device in the horizontal direction is urged by the elastic means so that the one end is engaged with the engagement groove, the display device can be rotated in the horizontal direction with respect to the device main body. In the state, the other end portion of the restriction pin is located at a position facing the locking groove. For this reason, when the display device is rotated in the horizontal direction, unless a force larger than the urging force of the elastic means is applied, one end portion of the regulation pin can be detached from the engaging groove and the display device cannot be rotated. The operability is bad.

  In the hinge device described in Patent Document 2, the support member is supported so as to be able to rotate 360 ° in the horizontal direction with respect to the attachment member. However, the support member is provided between the attachment member and the support member. Horizontal rotation is restricted by the rotating ring. The rotating ring is engaged with both the supporting member and the mounting member, and when the supporting member rotates in the horizontal direction of one direction, the supporting member is in a state where the rotating ring is locked to the supporting member. When rotating together with the rotating ring and rotating 180 °, the attachment member and the rotating ring are engaged so that the rotation of the support member stops. Further, when the support member rotates in the horizontal direction of the other direction, if the support member rotates and rotates 180 ° while the rotation ring is locked to the mounting member, the support member is supported so that the rotation of the support member stops. The member and the rotating ring are engaged. As described above, the rotation ring is rotatably provided between the attachment member and the support member, and the support member is rotated in the horizontal direction by engaging the rotation ring with both the support member and the attachment member. Is regulated, the structure is complicated and the cost is increased.

The present invention has been made to solve the above-described problems, and its purpose is to grasp the state in which the display device can be rotated in the horizontal direction, so that the display device can be rotated in the horizontal direction. The tilt hinge capable of rotating the display device in the horizontal direction without applying a large force when it becomes, and capable of restricting the rotation of the support member with respect to the mounting member with a simple structure, and the tilt hinge It is providing the electronic device provided with.

In order to achieve the above object, a tilt hinge according to the present invention is a tilt hinge that connects a first housing and a second housing so as to be rotatable in a vertical direction and a horizontal direction. A first bracket attached to any one of the second housings, a support member provided to be rotatable in a horizontal direction with respect to the first bracket via a horizontal rotation mechanism, and a vertical rotation mechanism with respect to the support member A second bracket attached to either one of the first housing and the second housing, which is attached to be pivotable in a vertical direction via the first bracket, and the second bracket with respect to the first bracket. Horizontal rotation restriction means for restricting rotation in the horizontal direction; and a horizontal rotation angle restriction mechanism for restricting a rotation angle range in the horizontal direction of the second bracket with respect to the first bracket; The rotation restricting means includes a first engagement portion provided on one of the first bracket and the second bracket, and a second engagement portion provided on the other of the first bracket and the second bracket. The first engagement portion is movably provided between the first bracket and the second bracket, and is engaged with either the first engagement portion or the second engagement portion. A restricting member that restricts rotation in the horizontal direction when engaged and restricts rotation in the vertical direction when engaged with the second engaging portion; Urging means for urging to engage the mating portion, and only when the second bracket rotates in a vertical direction with respect to the first bracket and reaches a predetermined angle, the regulating member is This is moved by the urging force of the urging means. The engagement of the control member is switched from the first engagement portion to the second engagement portion, and the second bracket can be rotated in the horizontal direction with respect to the first bracket. The horizontal rotation angle restricting mechanism includes an arc-shaped rotation restricting engagement hole provided in the first bracket, an operation stopper rotatably provided on an outer periphery of the rotation support portion, and a circle of the operation stopper. The moving engagement portion that protrudes in the axial direction at a peripheral end, engages with the rotation restricting engagement hole, and moves in the arc direction of the rotation restricting engagement hole; A stopper plate that is fitted to the outer periphery of the rotation support portion between the operation stopper and the first bracket and rotates together with the rotation support portion, and protrudes in a radial direction at a circumferential end portion of the stopper plate. And move The movement of the moving engagement portion is stopped by engaging with the other side portion of the moving engagement portion from the position where the movement of the moving engagement portion is stopped by engaging with one side portion of the engaging portion. And the restriction engagement portion that rotates the second bracket relative to the first bracket within a range of 360 ° to the position.

  According to the present invention, when the second bracket is opened in the vertical direction with respect to the first bracket, when the second bracket is at a predetermined angle with respect to the first bracket, the restricting member moves to the second engaging portion. Since it can be engaged and rotated in the horizontal direction by the horizontal rotation mechanism, the state in which the display device can be rotated in the horizontal direction can be grasped, and the operability is improved.

  In the tilt hinge according to the present invention, a support member is provided on the first bracket so as to be rotatable in the horizontal direction, and the restricting member is provided on the support member so as to be movable via a restricting member moving means. preferable.

  According to the present invention, the vertical rotation mechanism includes a shaft provided on the support member, and a vertical rotation provided on the second bracket and supported on the shaft so as to be rotatable in the vertical direction. And a vertical rotation friction generating means for generating friction between the vertical rotation portion and the shaft, and the horizontal rotation mechanism is provided in the support member and rotates in the horizontal direction with respect to the first bracket. The rotation support part is supported in a possible manner, and a horizontal rotation friction generating means for generating friction between the rotation support part and the first bracket is provided.

  Further, according to the present invention, the restricting member moving means includes a moving bracket that abuts on a peripheral surface of the vertical rotating part, and abuts the restricting member on the peripheral surface of the vertical rotating part. An urging member that urges in a direction to engage with the mating portion; and a peripheral surface of the vertical rotating portion, and when the second bracket is opened at a predetermined angle with respect to the first bracket, And a cam that moves the restricting member to release the engagement with the engaging portion.

  Further, according to the present invention, the first bracket is provided with a support member that is rotatable in the horizontal direction, and the support member is inserted into the rotation support hole of the first bracket, and the support member is inserted into the first bracket. A rotation support portion that is rotatably supported by one bracket is provided, the second bracket is provided, and the horizontal rotation angle restriction mechanism is an arcuate rotation restriction member provided on the first bracket. A joint hole, an operation stopper rotatably provided on the outer periphery of the rotation support portion, and an axial end projecting from the circumferential end of the operation stopper, and engages with the rotation restricting engagement hole to perform the rotation. The moving engagement portion where the operation stopper rotates within a range in which the restriction engagement hole can move in the arc direction is fitted to the outer periphery of the rotation support portion between the operation stopper and the first bracket. Together with the pivot support A rotating stopper plate, and a position protruding from the circumferential end of the stopper plate in the radial direction, engaging with one side of the moving engagement portion and stopping the movement of the moving engagement portion The second bracket is rotated with respect to the first bracket within a range of 360 ° between the position where the movement engagement portion is engaged with the other side portion of the movement engagement portion and the movement of the movement engagement portion is stopped. And a restriction engaging portion.

  An electronic apparatus according to the present invention includes the tilt hinge according to the present invention.

  As described above, according to the tilt hinge and the electronic apparatus according to the present invention, the horizontal rotation restricting means includes the first engagement portion and the second engagement portion provided in either the first bracket or the second bracket. The first engagement portion is movably provided between the first bracket and the second bracket, and is engaged with either the first engagement portion or the second engagement portion. A restricting member that restricts rotation in the horizontal direction when engaged and restricts rotation in the vertical direction when engaged with the second engaging portion; Urging means for urging to engage the mating portion, and only when the second bracket rotates in a vertical direction with respect to the first bracket and reaches a predetermined angle, the regulating member is This restriction is caused by the urging force of the urging means. Since the engagement of the material is switched from the first engagement portion to the second engagement portion, the second bracket can be rotated in the horizontal direction with respect to the first bracket. The state in which the display device can be rotated in the horizontal direction can be grasped, and the operability is improved.

  The horizontal rotation restricting means is provided movably on the other of the first bracket and the second bracket, the engaging portion provided on one of the first bracket and the second bracket, And a restricting member that restricts rotation of the second bracket in the horizontal direction when engaged with the engagement portion, and the second bracket rotates in a direction perpendicular to the first bracket. Only when the predetermined angle is reached, the restricting member moves and the engagement between the restricting member and the engaging portion is released, and the horizontal direction of the second bracket with respect to the first bracket is released. Since it is configured to be able to rotate, the display device can be rotated in the horizontal direction without applying a large force, and the operability is improved.

The horizontal rotation angle restriction mechanism has a movement engagement part and a restriction engagement part, and when the second bracket rotates 360 ° in one horizontal direction with respect to the first bracket, When the second bracket is rotated 360 ° in the other horizontal direction with respect to the first bracket from the stopped state, the restriction engagement is established. Since the portion and the moving engagement portion are engaged and the rotation of the second bracket is stopped, the rotation of the support member can be restricted with a simple structure with respect to the attachment member.

  Hereinafter, a tilt hinge and an electronic apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

  1 and 2 are diagrams illustrating an example of an electronic apparatus according to the present invention. 3-6 is a figure which shows an example of the 1st tilt hinge of this invention. As shown in FIG. 1, the first tilt hinge according to the present invention connects the first housing 11 and the second housing 12 constituting the electronic device 10 so as to be rotatable. The electronic device 10 is not particularly limited, and examples thereof include small electronic devices such as notebook computers, mobile phones, and car navigation devices. In the present embodiment, a notebook personal computer is described as the electronic device 10, but the present invention is not limited to this.

  As shown in FIG. 2, the first housing 11 has, for example, a keyboard 11a on the upper surface. The first housing 11 is a device main body having a motherboard, a hard disk drive and the like in addition to the keyboard 11a. The second housing 12 is a display device having a display 12a such as an LCD on the lower surface, for example. The 1st housing | casing 11 and the 2nd housing | casing 12 are each formed in the substantially same substantially rectangular shape, for example. The electronic device 10 is configured by the first housing 11 and the second housing 12 being connected to each other via the tilt hinge 1 in a closed state in which the first housing 11 and the second housing 12 are overlapped with each other.

  As shown in FIGS. 1 and 3 to 6, the first tilt hinge 1 of the portable device according to the present invention is one of the first housing 11 and the second housing 12, for example, the first housing 11. A first bracket 2 attached to the first bracket 2, and is provided on the first bracket 2 so as to be rotatable in a vertical direction and a horizontal direction, and the other one of the first housing 11 and the second housing 12, for example, a second housing 12 includes a second bracket 4 attached to 12 and a horizontal rotation restricting means 5 for restricting the rotation of the second bracket 4 in the horizontal direction with respect to the first bracket 2, and the horizontal rotation restricting means 5 is the first bracket. The first engagement portion 51 and the second engagement portion 52 provided on either the second bracket 2 or the second bracket 4 and the first engagement are provided between the first bracket 2 and the second bracket 4 so as to be movable. Either the part 51 or the second engaging part 52 When engaged with one side and engaged with the first engaging portion 51, the rotation in the horizontal direction is restricted, and when engaged with the second engaging portion 52, the rotation in the vertical direction is restricted. And a urging means for urging the restricting member 53 to engage the second engaging portion 52, and the second bracket 4 is perpendicular to the first bracket 2. Only when the rotating member reaches a predetermined angle, the restricting member 53 is automatically moved by the urging force of the urging means, and the engagement of the restricting member 53 is changed from the first engaging portion 51 to the second engaging portion 52. This is characterized in that the second bracket 4 can be rotated with respect to the first bracket 2 in the horizontal direction.

  The first bracket 2 is an attachment member, for example, and is attached to the first housing 11. As shown in FIGS. 1 and 3 to 7, the first bracket 2 is formed in a substantially rectangular shape extending in the width direction. Four locations near both ends of the both sides of the first bracket 2 are formed as attachment pieces 21 and 22 that are bent downward at substantially right angles. The front mounting piece 21 is further bent at a substantially right angle to the front side, and a mounting hole 21a is provided at the tip. Further, the mounting piece 22 on the rear side is provided with a mounting hole 22a. A rotation support hole 23 is provided at a substantially central portion of the first bracket 2. Three engagement holes 24 and 25 are provided in the peripheral portion on the front side of the rotation support hole 23 of the first bracket 2. Of these engagement holes 24, 25, the middle engagement hole is formed as an arc-shaped rotation restriction engagement hole 25 coaxial with the rotation support hole 23. This rotation restriction engagement hole 25 is a rotation restriction engagement part. Further, a first engagement portion 51 is provided between the rotation support hole 23 of the first bracket 2 and both side portions. A support member 3 is provided on the first bracket 2 so as to be rotatable in a horizontal direction through a rotation support hole 23.

  As shown in FIGS. 1, 3 to 6, and 8, the support member 3 is provided below the support member main body 31 and the flange portion 32 that is the bottom of the support member main body 31. A rotation support portion 33 supported rotatably in the dynamic support hole 23, and protrudes in the width direction from both sides of the support member main body 31, and accommodates the rotation restriction pin 55 movably and penetrates in the vertical direction. A rotation restricting portion 34 having a pin accommodating portion 35 and a vertical rotation mechanism attaching portion 36 provided above both side portions of the support member main body 31 and having a substantially rectangular shaft attaching hole 37. The rotation support part 33 is formed in a substantially octagonal shape in which every other four sides of a regular octagon are formed in an arc shape. The vertical rotation mechanism mounting portion 36 is provided with the second bracket 4 so as to be rotatable in the vertical direction via a pair of vertical rotation mechanisms 6.

  The second bracket 4 is, for example, an elongated, substantially rectangular attachment piece 41 attached to the rear end portion of the second housing 12, and is integrally provided on the attachment piece 41 and has an outer surface formed in an arc shape. It is formed in a substantially L shape from the vertical rotating portion 42 that is formed. The vertical rotation part 42 is provided with a circular insertion hole 43. Cutout portions 44 are provided at two opposing locations on the outer periphery of the vertical rotating portion 42, for example, at two locations serving as side portions.

  Since the configuration of the pair of vertical rotation mechanisms 6 is symmetrical, only one of them is described, and the description of the other is omitted. The vertical rotation mechanism 6 includes, for example, a shaft 61 provided on the support member 3, and is supported on the shaft 61 so as to be rotatable in the vertical direction and is provided on the second bracket 4 and has an outer surface in an arc shape. A vertical rotation portion 42 is formed, and a vertical rotation friction generating means 62 that generates friction between the vertical rotation portion 42 and the shaft 61 is provided.

  The shaft 61 is provided on one side of the flange 61a provided with the notch 61b, the flange 61a, and inserted into the shaft mounting hole 37 of the support member main body 31, and on the other of the flange 61a. The rotation part 61d is provided. The attachment portion 61 c is formed in a rectangular cross section so as to be fitted and inserted into the shaft attachment hole 37 of the support member main body 31. The rotation part 61d is formed as a substantially elliptical deformation rotation part in which the outer periphery in the vicinity of the flange part is formed in a circular shape, and the remaining portions are opposed to each other and are cut out in parallel with each other. The rotating portion 61d includes a washer 63 having an engaging convex portion 63a that engages with the notch 61b of the flange portion 61a from the flange portion 61a to the distal end portion of the rotating portion 61d, a rotation restricting cam 54, A cam A body 64 having a vertical rotating portion 42 and two engaging convex portions 64a that respectively engage with the two notches 44 of the vertical rotating portion 42, a cam B body 65, a disc spring 66, and a mounting washer 67 are attached gradually.

  The cam A 64 body, the cam B body 65 and the disc spring 66 constitute a vertical rotation friction generating means 62. The vertical rotation friction generating means 62 is not limited to the cam A body 64, the cam B body 65, and the disc spring 66, as long as it can generate friction between the vertical rotation portion 42 and the shaft 61. You may make it comprise.

  The cam A body 64 engages with the second bracket 4 and rotates together with the second bracket 4 with respect to the shaft 61, and is formed in a disk shape, for example. A circular through hole 64b through which the shaft 61 passes coaxially is provided at the center of the cam A body 64. Engaging convex portions 64a that respectively engage with the two notches 44 of the vertical rotating portion 42 are provided at two opposing positions in the vicinity of the peripheral surface on the surface of the cam A body 64 on the vertical rotating portion 42 side. It has been. A cam convex portion 68 having a flat tip is provided on the surface of the cam A body 64 opposite to the vertical rotating portion 42 (sometimes referred to as a cam surface).

  The cam B body 65 rotates together with the shaft 61, is movable in the axial direction of the shaft 61, and is in surface contact with the cam A body 64. For example, the cam B body 65 is formed in a disk shape having substantially the same diameter as the cam A body 64. A central fitting portion of the cam B body 65 is provided with a substantially elliptical through-fitting hole 65b through which the deformation rotation portion of the shaft 61 passes coaxially. The through-fitting hole 65b has a substantially oval shape in which two circumferentially opposed circumferential surfaces are linearly cut out in parallel with each other so as to be inserted in a state in which the deformation rotation portion of the shaft 61 is fitted. The cam B body 65 is attached to the deformation rotation portion of the shaft 61 so that the cam B body 65 can rotate along with the shaft 61 and can move on the same axis as the shaft 61. A cam recess 69 that engages with the cam protrusion 68 of the cam A body 64 is provided on the surface of the cam B body 65 on the cam A body 64 side (sometimes referred to as a cam surface).

  The disc spring 66 is friction urging means that urges the cam B body 65 to press the cam B body 65 against the cam A body 64. The friction urging means is not limited to the disc spring 66 but may be another urging member. The number of disc springs 66 is not particularly limited, and is eight, for example. A mounting washer 67 is provided at the end of the shaft 61 on the surface of the disc spring 66 opposite to the cam B body 65. The disc spring 66, the cam B body 65, the cam A body 64, the vertical rotating portion 42, and the like are attached in pressure contact with the shaft 61 by caulking the end portion of the shaft 61 protruding from the mounting washer 67.

  For example, the cam convex portion 68 and the cam concave portion 69 have a vertical rotation angle (sometimes referred to as a first rotation angle) in which the second housing 12 is 0 to 180 ° with respect to the first housing 11. In the case of rotation at the angle, it is preferable that the friction is generated in a first rotation angle range of 10 to 170 ° to be in a free stop state. That is, the cam convex portion 68 and the cam concave portion 69 are formed such that, for example, the protruding surface of the cam convex portion 68 and the cam surface of the cam B body 65 other than the cam concave portion 69 are formed flat. It is preferable that the cam surface of the cam B body 65 and the cam surface of the cam B body 65 are in contact with each other in a first rotation angle range of 10 to 170 ° to generate friction and enter a free stop state. In the present invention, 0 ° includes approximately 0 °, 10 ° includes approximately 10 °, 90 ° includes approximately 90 °, and 170 ° includes approximately 170 °. 180 ° includes approximately 180 °, and 360 ° includes 360 °.

  Thereby, in the 1st rotation angle range of 10-170 degrees, between the shaft 61 and the 2nd bracket 4, ie, between the 1st housing | casing 11 and the 2nd housing | casing 12, a free stop state can be made. Friction is generated. The cam convex portion 68 and the cam concave portion 69 are, for example, 0 ° and 2 ° when the second housing 12 rotates with respect to the first housing 11 in a first rotation angle range of approximately 0 to 180 °. It may be possible to fully engage at an angle of 180 °, but in a state of not being fully engaged at an angle of 0 ° and 180 °, for example, start engaging from an angle of 10 ° and 170 ° − It is preferably formed so that it can be completely engaged at angles of 10 ° and 190 °, respectively. The first rotation angle in the present invention refers to the second housing relative to the upper surface of the first housing 11 in the direction perpendicular to the first housing 11 (the direction of rotation about the shaft 61). The angle of the lower surface of the body 12. For example, when the angle is 0 °, the first housing 11 and the second housing 12 overlap each other. Thus, the second housing 12 is open on substantially the same plane.

It is preferable that a horizontal rotation angle restricting mechanism 7 is provided between the first bracket 2 and the second bracket 4, for example, between the support member 3 and the first bracket 2. The horizontal rotation angle restricting mechanism 7 is, for example, a rotation angle of 0 to 360 ° in the horizontal direction with respect to the first bracket 2 (sometimes referred to as a second rotation angle). It is supported so as to be rotatable within a range. In the present invention, the horizontal rotation means that the second bracket 4 rotates around an axis (vertical axis) extending in a direction orthogonal to the first bracket 2.

The horizontal rotation angle restricting mechanism 7 is either one of the first bracket 2 and the support member 3, for example, a moving engagement portion provided movably on the first bracket 2, and one of the first bracket 2 and the support member 3. On the other hand, for example, the support member 3 has a restriction engagement portion that engages with the movement engagement portion, and the second bracket 4 rotates 360 ° in one horizontal direction with respect to the first bracket 2. When this is done, the restricting engaging portion and the moving engaging portion are engaged to stop the rotation of the second bracket 4, and from this stopped state, the second bracket 4 is horizontal with respect to the first bracket 2 in the other direction. It is preferable that when the rotation is 360 ° in the direction, the restriction engagement portion and the movement engagement portion are engaged to stop the rotation of the second bracket 4. As the horizontal rotation angle restriction mechanism 7, for example, an arcuate rotation restriction engagement hole 25 of the first bracket 2, an operation stopper 71 provided rotatably on the outer periphery of the rotation support portion 33, and an operation stopper 71 are provided. A movable engagement portion, a stopper plate 72 fitted to the outer periphery of the rotation support portion 33 between the operation stopper 71 and the first bracket 2, and a restriction engagement portion provided on the stopper plate 72. It is preferable that

  The operation stopper 71 is supported on the outer periphery of the rotation support portion 33 so as to be rotatable about its axis and is formed in a ring shape movable in the axial direction. That is, the through hole of the operation stopper 71 is formed in a circular shape. At the circumferential end of the operation stopper 71, there is provided a first rotation restricting convex portion 73 as a movement engaging portion that projects in the axial direction and is inserted into the rotation restricting engagement hole 25 to be engaged. The operation stopper 71 rotates in a range in which the first rotation restricting convex portion 73 is inserted into the rotation restricting engagement hole 25 and can move in the arc direction of the rotation restricting engagement hole 25.

  The stopper plate 72 is formed in a ring shape that is fitted to the outer periphery of the rotation support portion 33 between the operation stopper 71 and the first bracket 2. The stopper plate 72 is fitted with the outer periphery of the rotation support part 33 so as to be able to rotate together with the rotation support part 33, and has a through hole formed in a substantially oval shape movable in the axial direction. The circumferential end portion of the stopper plate 72 is provided with a second rotation restricting convex portion 74 that is a restricting engaging portion that protrudes outward in the radial direction and contacts both side portions of the first rotation restricting convex portion 73. Yes. The width of the second rotation restricting convex portion 74 is set such that, for example, when the second rotation restricting convex portion 74 comes into contact with the side portion of the first rotation restricting convex portion 73, the second rotation restricting convex portion 74 and the first rotation restricting convex portion 74. The width of the protrusion 73 and the width of the rotation restricting engagement hole 25 are substantially the same. Accordingly, the second rotation restricting convex portion 74 engages with one side portion of the first rotation restricting convex portion 73 and the movement of the first rotation restricting convex portion 73 is stopped from the position where the first rotation restricting convex portion 73 stops. The second bracket 4 is configured to be rotated with respect to the first bracket 2 within a range of 360 ° between the position where the other side portion is engaged and the movement of the first rotation restricting convex portion 73 stops. ing.

  In addition, a horizontal rotation mechanism 8 is preferably provided between the first bracket 2 and the support member 3. The horizontal rotation mechanism 8 is provided, for example, on the support member 3 and is supported by the first bracket 2 so as to be rotatable in the horizontal direction, and the rotation support portion 33 and the first bracket 2. Horizontal rotation friction generating means 80 for generating friction between the two. The horizontal rotation friction generating means 80 includes, for example, a click friction 81, a click plate 82, a spring plate 83, and a control plate 84 provided around the axis of the rotation support portion 33 protruding from the first bracket 2. It becomes.

  The click friction 81 is supported on the outer periphery of the rotation support portion 33 so as to be rotatable about its axis and is formed in a ring shape that is movable in the axial direction. The click friction 81 is provided with an engaging protrusion 81 a that engages with the two engaging holes 24 of the first bracket 2. Engagement recesses 81b are provided at two locations spaced 180 ° apart from the circumferential end of the click friction 81.

  The click plate 82 is formed in a ring shape having a substantially oval through hole that is fitted to the outer periphery of the rotation support portion 33 so as to be able to rotate together with the rotation support portion 33 and is movable in the axial direction thereof. Has been. On the surface of the click plate 82 on the click friction 81 side, two engagement convex portions 82a that engage with the engagement concave portions 81b of the click friction 81 are provided at intervals of 180 °. The distal end portion of the engaging convex portion 82a is formed in a flat surface. The click plate 82 is provided with two circular holes 82b at intervals of 180 °.

  The spring plate 83 is formed in a ring shape having a substantially oval through hole that is fitted to the outer periphery of the rotation support portion 33 so as to be able to rotate together with the rotation support portion 33 and is movable in the axial direction thereof. Has been. On the surface of the spring plate 83 on the click plate 82 side, two convex portions 83 a that engage with the holes 82 b of the click plate 82 are provided at intervals of 180 °. A surface of the spring plate 83 opposite to the click plate 82 side is formed as a recess (not shown) for forming a protrusion 83a.

  The control plate 84 is fitted in the outer periphery of the rotation support portion 33 so as to be able to rotate together with the rotation support portion 33 and is formed in a ring shape having a substantially oval through hole that is movable in the axial direction thereof. Has been. On the surface of the control plate 84 on the spring plate 83 side, two convex portions 84a that engage with the concave portions of the spring plate 83 are provided at intervals of 180 °.

  The click friction 81, the click plate 82, the spring plate 83, and the control plate 84 are attached to the outer periphery of the rotation support portion 33 by crimping the tip end portion of the rotation support portion 33. Friction that can form a free stop state is generated between the first bracket 2 and the support member 3, that is, between the first housing 11 and the second housing 12 by the urging force. Note that friction may be generated between the first bracket 2 and the support member 3 using a biasing member different from the spring plate 83.

  The horizontal rotation restricting means 5 is configured so that the horizontal direction of the second bracket 4 with respect to the first bracket 2 only when the second bracket 4 is opened at a predetermined angle, for example, 90 °, with respect to the first bracket 2. Can be rotated. As the horizontal rotation restricting means 5, for example, a first engagement portion 51 and a second engagement portion 52 provided in either the first bracket 2 or the second bracket 4, the first bracket 2 and the second bracket 4. Between the first engagement portion 51 and the second engagement portion 52, and when engaged with the first engagement portion 51 in the horizontal direction. And a regulating member 53 that regulates rotation in the vertical direction when the rotation is regulated and the second engaging portion 52 is engaged.

  For example, the first engagement portion 51 is provided between the rotation support hole 23 of the first bracket 2 and both side portions. For example, the second engaging portion 52 is mounted on the outer periphery of the shaft 61 and is provided in a concave shape on the peripheral surface of the rotation restricting cam 54 that rotates with the second bracket 4 relative to the shaft 61. The second engagement portion 52 can be engaged with a contact end portion 55 a of a rotation restricting pin 55 described later, and the engagement between the contact end portion 55 a of the rotation restricting pin 55 and the second engagement portion 52. Can be released by rotating the second bracket 4 in the vertical direction with respect to the first bracket 2. For example, the second bracket 4 is formed in a substantially circular arc section such as a semicircular section.

  The rotation restricting cam 54 is formed in a ring shape having two engaging convex portions 54 a that are respectively engaged with the two notched portions 44 of the vertical rotating portion 42. The rotation restricting portion 34 of the support member 3 is positioned between the first engaging portion 51 and the rotation restricting cam 54, and both openings of the pin accommodating portion 35 are connected to the first engaging portion 51. They are arranged in opposition to the vicinity of the outer periphery of the rotation restricting cam 54. The inside of the pin accommodating part 35 is formed in two steps, and is formed as an enlarged diameter part 35a in which the diameter of the rotation restricting cam 54 is increased. In the pin accommodating portion 35, a rotation restricting pin 55 as a restricting member is movably accommodated.

  The rotation restricting pin 55 is formed in the shape of a round bar having a diameter slightly smaller than the inner diameter of the pin accommodating portion 35 (the pin accommodating portion 35 other than the enlarged diameter portion 35a). One end portion of the rotation restricting pin 55 (the end portion on the rotation restricting cam 54 side) is enlarged to have a diameter slightly smaller than the enlarged diameter portion 35a of the pin accommodating portion 35, and serves as a hemispherical contact end portion 55a. The contact end portion 55 a is formed so as to abut on the circumferential surface of the rotation restricting cam 54, move in the enlarged diameter portion 35 a of the pin accommodating portion 35, and engage with the second engagement portion 52. It has become. The other end portion (the end portion on the first engaging portion 51 side) of the rotation restricting pin 55 is adapted to engage with the first engaging portion 51. The length of the rotation restricting pin 55 is longer than the length of the pin accommodating portion 35 and is formed to have a dimension that can be engaged with either the first engaging portion 51 or the second engaging portion 52. That is, the length of the rotation restricting pin 55 is such that when the contact end portion 55a is engaged with the second engagement portion 52, the other end portion is detached from the first engagement portion 51 and the other end portion is the first. The contact end portion 55a is separated from the second engagement portion 52 when the engagement portion 51 is engaged, and the rotation restricting cam 54 can be rotated.

  Further, for example, a compression spring 56 as an urging member is provided in the enlarged diameter portion 35 a of the pin accommodating portion 35 and on the outer periphery of the rotation restricting pin 55. The urging member is not limited to the compression spring 56, and another urging member may be used. One end of the compression spring 56 contacts the wall surface forming the enlarged diameter portion 35 a of the pin accommodating portion 35, and the other end contacts the contact end portion 55 a of the rotation restricting pin 55, and the contact end portion 55 a is a pin. The rotation restricting pin 55 is urged in a direction protruding from the accommodating portion 35. Thereby, the rotation restricting pin 55 is urged by the compression spring 56 and the rotation restricting cam 54 rotates around the shaft 61 while the contact end portion 55a is in contact with the peripheral surface of the rotation restricting cam 54. When the second bracket 4 rotates by a predetermined angle in the vertical direction with respect to the first bracket 2, the contact end portion 55 a of the rotation restricting pin 55 and the second engaging portion 52 face each other and the compression spring The rotation restricting pin 55 is moved by the urging force of 56 so that the contact end portion 55a and the second engaging portion 52 are engaged.

  The position of the second engagement portion 52 of the rotation restricting cam 54 is arbitrarily determined. For example, when the second bracket 4 is rotated 90 ° in the vertical direction with respect to the first bracket 2, the rotation restriction is performed. The contact end portion 55a of the pin 55 and the second engagement portion 52 are positioned so as to engage with each other. At this time, since the rotation restricting pin 55 is detached from the first engaging portion 51, the second bracket 4 can be rotated in the horizontal direction with respect to the first bracket 2. Further, when the contact end portion 55 a is engaged with the second engagement portion 52 and the other end portion of the rotation restricting pin 55 is opposed to the first engagement portion 51, the contact end portion 55 a is opposed to the first bracket 2. When the second bracket 4 is rotated in the vertical direction, the contact end portion 55a is detached from the second engagement portion 52, the engagement is released, and the other end portion of the rotation restricting pin 55 is engaged with the first engagement portion. The rotation restricting pin 55 and the first engaging portion 51 are engaged with each other by entering the joining portion 51.

  Next, the operation of the first tilt hinge 1 and the electronic device 10 according to the present invention will be described.

  In the closed state in which the first housing 11 and the second housing 12 overlap each other, the first rotation angle is 0 °, and the cam convex portion 68 and the cam concave portion 69 are engaged. The cam A body 64 and the cam B body 65 are urged to come into surface contact with each other by the disc spring 66 so that the engagement is performed, and the contact end portion 55 a of the rotation restricting pin 55 is connected to the rotation restricting cam 54. Since the other end is engaged with the first engaging portion 51 while being in contact with the peripheral surface, the first casing 11 and the second casing 12 are held in a closed state. In this closed state, the cam convex portion 68 and the cam concave portion 69 are not completely engaged (including substantially complete), and a part of the cam convex portion 68 enters the cam concave portion 69. Therefore, the first casing 11 and the second casing 12 are held in a closed state without rattling. In order to maintain this closed state more reliably, another lock mechanism may be provided.

  When opening the electronic device 10 in the closed state, for example, the second housing 12 is rotated in the vertical direction (the shaft 61 is an axis) with respect to the first housing 11 (see FIG. 1B). . When the first rotation angle of the second housing 12 with respect to the first housing 11 reaches 90 °, the contact end portion 55a of the rotation restriction pin 55 and the second engagement portion 52 face each other and the compression spring 56 is attached. The rotation restricting pin 55 is automatically moved by the force so that the contact end portion 55a is engaged with the second engaging portion 52 and the rotation restricting pin 55 is detached from the first engaging portion 51 (FIG. 1 (c). ), FIG. 2 and FIG. Therefore, the second bracket 4 can be rotated in the horizontal direction with respect to the first bracket 2. Further, when the second casing 12 is rotated in the vertical direction with respect to the first casing 11, the contact end portion 55a is detached from the second engaging portion 52, and the other end portion of the rotation restricting pin 55 is Since the first engaging portion 51 is engaged, the second housing 12 rotates only in the vertical direction with respect to the first housing 11. For example, the second housing 12 is 180 with respect to the first housing 11, for example. It can be rotated up to ° (see FIG. 1 (d)).

  When the rotation angle of the second housing 12 with respect to the first housing 11 is other than 90 °, the rotation restricting pin 55 is urged by the compression spring 56 and the contact end portion 55 a is brought into contact with the circumferential surface of the rotation restricting cam 54. It is in contact. When the second bracket 4 rotates in the vertical direction with respect to the first bracket 2 in this state and the rotation angle becomes 90 °, the contact end portion 55a of the rotation restricting pin 55 and the second engagement portion 52 are rotated. The rotation restricting pin 55 is automatically moved by the urging force of the compression spring 56 and the contact end portion 55a and the second engaging portion 52 are engaged to generate a click feeling.

  Thus, when the tilt hinge 1 and the electronic device 10 according to the present invention open the second bracket 4 in the vertical direction with respect to the first bracket 2, the second bracket 4 has a predetermined angle with respect to the first bracket 2, For example, when the angle is 90 °, the rotation restricting pin 55 is automatically engaged with the second engaging portion 52 by the urging force of the compression spring 56 and can rotate in the horizontal direction. Therefore, it is possible to grasp the state that can be rotated, and the operability is improved.

  Further, when the second housing 12 rotates up to 180 ° with respect to the first housing 11, the cam convex portion 68 and the cam concave portion 69 are engaged, and the disc spring 66 is set so that this engagement is performed. Accordingly, the cam A body 64 and the cam B body 65 are urged so as to come into surface contact with each other, so that the first housing 11 and the second housing 12 are held in the open state. At this time, since the cam convex portion 68 and the cam concave portion 69 are not completely fitted (including substantially complete), a part of the cam convex portion 68 is engaged with the cam concave portion 69. The first casing 11 and the second casing 12 are held in an open state without rattling. In addition, in order to maintain this open state more reliably, you may make it provide another locking mechanism.

  Further, when the second casing 12 rotates in the vertical direction with respect to the first casing 11, if the first rotation angle exceeds 10 °, the cam projection 68 is detached from the cam recess 69 and the cam projection The tip surface of 68 slides on the surface of the cam B body 65 while being in surface contact therewith. As a result, a friction torque is generated between the shaft 161 and the second bracket 4, that is, between the first housing 11 and the second housing 12, so when the rotation of the second housing 12 is stopped, The second housing 12 stops at that position due to the friction torque. Therefore, the second housing 12 can be stopped at a desired angle in the first rotation angle range of 10 to 170 ° with respect to the first housing 11. As a result, the keyboard 11a provided on the upper surface of the first housing 11 is exposed, so that the keyboard can be operated, and the electronic device 10 can be used by operating the keyboard.

  Further, when the second casing 12 is rotated in the vertical direction with respect to the first casing 11 and the first rotation angle becomes 90 °, the rotation regulating pin 55 is automatically set by the urging force of the compression spring 56. Since the contact end portion 55a engages with the second engagement portion 52 and the rotation restricting pin 55 is detached from the first engagement portion 51, the second bracket 4 is horizontal with respect to the first bracket 2. It can be rotated in the direction. This horizontal rotation is possible in the range of 0 to 360 ° (see FIG. 6). That is, the second rotation restricting convex portion 74 is engaged with one side portion of the first rotation restricting convex portion 73 and the first rotation restricting convex portion 73 is in contact with the end portion of the rotation restricting engagement hole 25. If the state is 0 °, the second bracket 4 is in the horizontal direction opposite to the direction in which the second rotation restricting convex portion 74 is engaged with the first rotation restricting convex portion 73 with respect to the first bracket 2. When the second bracket 4 is rotated in this horizontal direction, the first rotation restricting convex portion 73 comes into contact with the other side portion of the first rotation restricting convex portion 73. The state where the first rotation restricting convex portion 73 moves together with the end of the rotation restricting engagement hole 25 and the rotation is stopped is 360 °. At 0 °, 180 °, and 360 °, the engagement convex portion 82a of the click plate 82 engages with the engagement concave portion 81b of the click friction 81, and a click feeling is generated. It is possible to easily grasp the state of ° or 360 °.

  Further, when the second bracket 4 is rotated 360 ° in the horizontal direction with respect to the first bracket 2, the first rotation restricting convex portion 73 and the second rotation restricting convex portion 74 are engaged with each other. When the rotation is stopped and the second bracket 4 rotates 360 ° in the opposite horizontal direction with respect to the first bracket 2 from this stopped state, the first rotation restricting convex portion 73 and the second rotation restricting convex portion 74 are Since the engagement causes the second bracket 4 to stop rotating, the rotation of the second bracket 4 with respect to the first bracket 2 can be restricted with a simple structure.

  Further, since friction is generated between the first bracket 2 and the support member 3 by the urging force of the spring plate 83, the second casing 12 can be stopped and held at a desired position by the friction torque. That is, when the second casing 12 rotates in the horizontal direction with respect to the first casing 11, the engaging convex portion 82a is engaged with the engaging concave portion 81b when the second rotation angle is other than 0 °, 180 °, and 360 °. The tip end surface of the engaging convex portion 82a rides on the surface of the click friction 81 and slides while being in surface contact with the surface. Thereby, a friction torque is generated between the first bracket 2 and the support member 3, that is, between the first housing 11 and the second housing 12. If the rotation of the second casing 12 is stopped while the front end surface of the engaging projection 82a is riding on the surface of the click friction 81, the second casing 12 stops at that position by the friction torque. Therefore, the 2nd housing | casing 12 can be stopped at the desired angle of a horizontal direction with respect to the 1st housing | casing 11, a monitor can be utilized for another direction, and versatility improves.

  When the second rotation angle is 0 ° or 360 °, the second bracket 4 is rotated with respect to the first bracket 2 so as to be closed in the vertical direction. Then, the contact end portion 55a is detached from the second engagement portion 52, and the other end portion of the rotation restricting pin 55 is engaged with the first engagement portion 51. The casing 12 rotates only in the vertical direction, and the second casing 12 rotates to 0 ° with respect to the first casing 11 and enters a closed state. That is, the first housing 11 and the second housing 12 are in a state of being overlapped with each other, and the upper surface of the first housing 11 is closed with the second housing 12.

  Further, when the second rotation angle is 180 °, the second bracket 4 is rotated with respect to the first bracket 2 so as to be closed in the vertical direction. Then, the contact end portion 55a is detached from the second engagement portion 52, and the other end portion of the rotation restricting pin 55 is engaged with the first engagement portion 51. The casing 12 rotates only in the vertical direction, the second casing 12 rotates to 0 ° with respect to the first casing 11, and the first casing 11 and the second casing 12 overlap each other. It becomes a state.

  When the second rotation angle is 180 ° and the first casing 11 and the second casing 12 are in the closed state, the display 12a of the second casing 12 is normally positioned on the lower surface and closed. As described above, the second housing 12 is attached to the second bracket 4. Therefore, when the second casing 12 is rotated in the vertical direction with respect to the first casing 11 from the closed state, and the first rotation angle becomes 90 °, the keyboard 11a of the first casing 11 is Since the display 12a is positioned on the keyboard 11a side, the keyboard can be operated while viewing the display 12a, for example. When the first rotation angle reaches 90 °, the second rotation angle is 180 °, and therefore the second housing 12 is rotated 180 ° in one horizontal direction with respect to the first housing 11. In addition, the second housing 12 can be rotated 180 ° in the other horizontal direction with respect to the first housing 11. That is, the second housing 12 can be rotated 180 ° in both the left and right directions with respect to the first housing 11. Further, when the second rotation angle is 0 ° or 360 °, the first housing 11 and the second housing 12 can be in a closed state where they overlap each other. At this time, the first housing 11 and the second housing 12 overlap each other, and the display 12a of the second housing 12 is positioned on the upper surface. Thereby, since the display 12a can be seen or used as a touch panel in a state where the first housing 11 and the second housing 12 overlap each other, that is, in a folded state, the versatility of the monitor is further improved.

  When the second rotation angle is 180 ° and the first casing 11 and the second casing 12 are in the closed state, the display 12a of the second casing 12 is positioned on the lower surface and closed. As described above, the case where the second housing 12 is attached to the second bracket 4 has been described. However, the first housing 11 and the second housing 12 overlap each other when the second rotation angle is 0 ° or 360 °. You may make it attach the 2nd housing | casing 12 to the 2nd bracket 4 so that the display 12a of the 2nd housing | casing 12 may be located in a lower surface and may be obstruct | occluded in the closed state. When configured in this way, when the second casing 12 is rotated in the vertical direction with respect to the first casing 11 from the closed state and the first rotation angle reaches 90 °, for example, a display The keyboard can be operated while viewing 12a. When the first rotation angle reaches 90 °, the second housing 12 can be rotated 360 ° in one horizontal direction with respect to the first housing 11. At this time, the second housing 12 is rotated by 180 ° with respect to the first housing 11, and the second housing 12 is rotated in the vertical direction with respect to the first housing 11 to be in a closed state. Accordingly, the display 12a of the second housing 12 can be positioned on the upper surface.

  9 to 13 are views showing an example of the second tilt hinge of the present invention. As shown in FIGS. 9 to 13, in the second tilt hinge according to the present invention, the horizontal rotation restricting means 5 includes an engaging portion 151 provided on one of the first bracket 2 and the second bracket 4, A restricting member 152 that is movably provided on the other of the first bracket 2 and the second bracket 4 and that restricts the rotation of the second bracket 4 in the horizontal direction when engaged with the engaging portion 151. Only when the second bracket 4 rotates in the vertical direction with respect to the first bracket 2 and reaches a predetermined angle, the restricting member 152 moves to engage the restricting member 152 with the engaging portion 151. And the second bracket 4 can be rotated with respect to the first bracket 2 in the horizontal direction. Although the second tilt hinge 100 will be described, the same parts as those of the first tilt hinge 1 may be denoted by the same names and description thereof may be omitted.

  As shown in FIG. 14, the first bracket 2 is provided with two engagement convex portions 125 protruding from the front end portion for the same purpose as the engagement hole 25. Further, a rotation restricting pin insertion hole 121 and a drive pin mounting hole 122 are provided between the rotation support hole 23 and both side portions of the first bracket 2, respectively. As shown in FIGS. 9 to 13 and 15, the support member 3 is formed in a substantially T shape, and a rotation support portion 33 is provided below the flange portion 32. An attachment member, which is the second bracket 4, is provided at the distal end portions of both arm portions 136 of the support member 3 via a pair of vertical rotation mechanisms 6 so as to be rotatable in the vertical direction. The second bracket 4 is formed in a substantially L shape from the mounting piece 41 and the vertical rotating portion 142.

  The vertical rotation mechanism 6 is, for example, a shaft 161 provided on the support member 3, is supported on the shaft 161 so as to be rotatable in the vertical direction, and is provided on the second bracket 4, and has an outer surface formed in an arc shape. And a vertical rotation friction generating means 62 for generating friction between the vertical rotation unit 142 and the shaft 161.

The horizontal rotation angle restricting mechanism 7 includes, for example, two engaging convex portions 125 of the first bracket 2, an operation stopper 171 provided rotatably on the outer periphery of the rotation support portion 33, and a movement mechanism provided on the operation stopper 171. And a stopper plate 172 fitted to the outer periphery of the rotation support portion 33 between the operation stopper 171 and the first bracket 2, and a restriction engagement portion provided on the stopper plate 172. Is preferred.

  The operation stopper 171 is formed in a ring shape that is supported on the outer periphery of the rotation support portion 33 so as to be rotatable about its axis and is movable in the axial direction. At the circumferential end of the operation stopper 171, a first rotation restricting projection 173 is provided as a moving engagement portion that protrudes in the axial direction and is positioned between the engagement projections 125. The operation stopper 171 rotates within a range in which the first rotation restricting convex portion 173 can move between the engaging convex portions 125.

The stopper plate 172 is formed in a ring shape that is fitted to the outer periphery of the rotation support portion 33 between the operation stopper 171 and the first bracket 2. The circumferential end portion of the stopper plate 172 is provided with a second rotation restricting convex portion 174 that is a restricting engagement portion that protrudes radially outward and contacts both side portions of the first rotation restricting convex portion 173. Yes. The width of the second rotation restricting convex portion 174 is such that, for example, when the second rotation restricting convex portion 174 is in contact with the side of the first rotation restricting convex portion 173, the second rotation restricting convex portion 174 and the first rotation restricting convex portion 174. The width of the convex portion 173 and the width between the two engaging convex portions 125 are substantially the same. As a result, the second rotation restricting convex portion 174 engages with one side portion of the first rotation restricting convex portion 173 and the first rotation restricting convex portion 173 comes into contact with the one engaging convex portion 125 and the movement thereof is performed. The second bracket 4 is in the range of 360 ° from the position where it stops to the position where it engages with the other side of the first rotation restricting convex portion 173 and the movement of the first rotation restricting convex portion 173 stops. It is configured to be rotated with respect to the bracket 2.

  The horizontal rotation restricting means 5 is configured so that the horizontal direction of the second bracket 4 with respect to the first bracket 2 only when the second bracket 4 is opened at a predetermined angle, for example, 90 °, with respect to the first bracket 2. Can be rotated. The horizontal rotation restricting means 5 is provided movably on the other of the first bracket 2 and the second bracket 4 and the engaging portion 151 provided on either the first bracket 2 or the second bracket 4. And a regulating member 152 that regulates the rotation of the second bracket 4 in the horizontal direction when engaged with the engaging portion 151.

  The engaging portion 151 is an engaging recess provided on the outer periphery of the stopper plate 172, for example. The engaging portion 151 is substantially provided on the support member 3 in order to rotate together with the support member 3, and may be provided directly on the support member 3 or on another member. Further, the engaging portion 151 may be provided on the first bracket 2.

  The restricting member 152 is a rotation restricting pin 155, for example. The rotation restriction pin 155 is movably inserted into the rotation restriction pin insertion hole 121 of the first bracket 2. The rotation restricting pin 155 is formed in a substantially rectangular shape from the substantially central portion to the upper end portion, and this rectangular portion (sometimes referred to as a sliding portion 155a) can move to the rotation restricting pin insertion hole 121. And the end portion engages with the engaging portion 151. A substantially rectangular attachment portion 155 b is provided at the lower end of the rotation restricting pin 155. The rotation restricting pin 155 moves and engages only when the second bracket 4 rotates in the vertical direction with respect to the first bracket 2 by the restricting member moving means 110 and rotates at a predetermined angle, for example, 90 °. It is formed so as to release the engagement with the portion 151.

  The restricting member moving means 110 moves the turn restricting pin 155 so as to be disengaged from the engaging portion 151 only when the second bracket 4 is rotated 90 ° in the vertical direction with respect to the first bracket 2. Rotation is possible. As the restricting member moving means 110, for example, a moving bracket 111 that is movably provided on the first bracket 2 and that is provided with a rotation restricting pin 155 and abuts on the peripheral surface of the vertical rotating portion 142, and the moving bracket. 111 is provided on the peripheral surface of the vertical rotation portion 142, and a biasing member 112 that abuts the rotation restricting pin 155 in a direction to engage with the engagement portion 151 by abutting 111 on the peripheral surface of the vertical rotation portion 142. A cam 113 that moves the rotation restricting pin 155 to release the engagement with the engaging portion 151 when the second bracket 4 is opened at a predetermined angle, for example, 90 ° in the vertical direction with respect to the first bracket 2. It is preferable to provide.

  The moving bracket 111 is provided below the first bracket 2 so as to extend in the width direction thereof, and has a through hole 111 a through which the rotation support portion 33 of the support member 3 penetrates together with the horizontal rotation mechanism 8. The length of the moving bracket 111 in the width direction is, for example, longer than the length of the first bracket 2 in the width direction, for example, slightly longer. Between the through hole 111a of the moving bracket 111 and both side portions, there is a drive pin insertion hole 116 through which the rotation restriction pin mounting hole 115 to which the rotation restriction pin 155 is attached and the drive pin 114 are inserted. Each is provided.

  The drive pin 114 is formed in a circular rod shape. The drive pin 114 passes through the drive pin insertion hole 116 and a small-diameter mounting portion 114a is inserted into the driving pin mounting hole 122 of the first bracket 2 so that, for example, the mounting portion 114a is crimped to be mounted on the first bracket 2. It has been. A cylindrical spacer 117 extending between the moving bracket 111 and the first bracket 2 is provided between the drive pin 114 and the drive pin insertion hole 116. That is, the drive pin 114 passes through the drive pin insertion hole 116 via the spacer 117, so that the moving bracket 111 moves in the longitudinal direction (vertical direction) with respect to the drive pin 114 via the spacer 117. It is supported by the first bracket 2 as possible. Further, a screw 119 or the like is screwed to the lower end portion of the drive pin 114 via a washer 118, and a compression which is an urging member 112 is provided on the outer periphery of the drive pin 114 between the washer 118 and the moving bracket 111. A spring 112a is provided, and the moving bracket 111 is urged upward by the compression spring 112a.

  In addition, an attachment portion 155 b of the rotation restriction pin 155 is inserted into the rotation restriction pin attachment hole 115, the attachment portion 155 b is crimped, and the rotation restriction pin 155 is attached to the moving bracket 111. At this time, when the sliding portion 155a passes through the rotation restricting pin insertion hole 121 of the first bracket 2 and the tip portion engages with the engaging portion 151, and the moving bracket 111 is moved downward, the tip portion It is preferable that the rotation restricting pin 155 is formed so that the detachment from the engaging portion 151 occurs.

  Further, both side portions of the moving bracket 111 are bent upward at a substantially right angle and further bent outward at a substantially right angle to form a moving bracket piece 111b. The moving bracket piece 111b is provided with an attachment hole 111c for attaching the cam receiving portion 120 that contacts the peripheral surface of the vertical rotating portion 142.

  The cam receiving portion 120 is formed in a columnar shape, and a small-diameter mounting portion 120a is provided on one end face thereof. The mounting portion 120a of the cam receiving portion 120 is inserted into the mounting hole 111c of the moving bracket piece 111b and crimped to attach the cam receiving portion 120. The other end surface of the cam receiving portion 120 is in contact with the peripheral surface of the vertical rotating portion 142. A cam 113 that moves the moving bracket 111 downward against the urging force of the compression spring 112 a is provided on the peripheral surface of the vertical rotating portion 142. The cam 113 is formed in a substantially triangular shape. When the second bracket 4 is opened at a predetermined angle, for example, 90 °, in the vertical direction with respect to the first bracket 2, the cam 113 abuts against the cam receiving portion 120 so that the moving bracket 111 is biased by the compression spring 112 a. Push down. By this depression, the upper end portion of the rotation restricting pin 155 is detached from the engaging portion 151 and the engagement is released, so that the second bracket 4 can be rotated in the horizontal direction with respect to the first bracket 2. Yes.

  Next, the operation of the second tilt hinge 100 according to the present invention will be described.

  In the closed state in which the first housing 11 and the second housing 12 overlap each other, the first rotation angle is 0 °, and the cam convex portion 68 and the cam concave portion 69 are engaged. The cam A body 64 and the cam B body 65 are urged to come into surface contact with each other by the disc spring 66 so that the engagement is performed, and the end of the sliding portion 155a of the rotation restricting pin 155 is the engagement portion. Since the first casing 11 and the second casing 12 are engaged with each other, the first casing 11 and the second casing 12 are held in a closed state. In this closed state, the cam convex portion 68 and the cam concave portion 69 are not completely engaged (including substantially complete), and a part of the cam convex portion 68 enters the cam concave portion 69. Therefore, the first casing 11 and the second casing 12 are held in a closed state without rattling. In order to maintain this closed state more reliably, another lock mechanism may be provided.

  When opening the closed electronic device 10, for example, the second housing 12 is rotated in the vertical direction (the shaft 161 is the axis) with respect to the first housing 11. When the first rotation angle of the second housing 12 with respect to the first housing 11 becomes 90 °, the cam 113 comes into contact with the cam receiving portion 120 and the moving bracket 111 moves downward against the urging force of the compression spring 112a. It is pushed down (see FIGS. 9 and 10). By this depression, the end of the rotation restricting pin 155 is detached from the engaging portion 151 and the engagement is released, so that the second bracket 4 can be rotated in the horizontal direction with respect to the first bracket 2. Further, when the second housing 12 is rotated in the vertical direction with respect to the first housing 11, the cam 113 is moved and the moving bracket 111 is moved upward by the urging force of the compression spring 112 a, so that the rotation restricting pin 155 is moved. Is engaged with the engaging portion 151. Accordingly, the second housing 12 rotates only in the vertical direction with respect to the first housing 11, and for example, the second housing 12 can rotate up to 180 ° with respect to the first housing 11, for example.

  As described above, when the second tilt hinge 100 and the electronic device 10 according to the present invention open the second bracket 4 in the vertical direction with respect to the first bracket 2, the second bracket 4 is predetermined with respect to the first bracket 2. When the angle is 90 degrees, for example, the engagement between the rotation restricting pin 155 and the engaging portion 151 is released, so that the display device can be rotated in the horizontal direction without applying a large force, Operability is improved.

  Further, when the second housing 12 rotates up to 180 ° with respect to the first housing 11, the cam convex portion 68 and the cam concave portion 69 are engaged, and the disc spring 66 is set so that this engagement is performed. Accordingly, the cam A body 64 and the cam B body 65 are urged so as to come into surface contact with each other, so that the first housing 11 and the second housing 12 are held in the open state. At this time, since the cam convex portion 68 and the cam concave portion 69 are not completely fitted (including substantially complete), a part of the cam convex portion 68 is engaged with the cam concave portion 69. The first casing 11 and the second casing 12 are held in an open state without rattling. In addition, in order to maintain this open state more reliably, you may make it provide another locking mechanism.

  Further, when the second casing 12 rotates in the vertical direction with respect to the first casing 11, if the first rotation angle exceeds 10 °, the cam projection 68 is detached from the cam recess 69 and the cam projection The tip surface of 68 slides on the surface of the cam B body 65 while being in surface contact therewith. As a result, friction torque is generated between the shaft 61 and the second bracket 4, that is, between the first housing 11 and the second housing 12, so when the rotation of the second housing 12 is stopped, The second housing 12 stops at that position due to the friction torque. Therefore, the second housing 12 can be stopped at a desired angle in the first rotation angle range of 10 to 170 ° with respect to the first housing 11. As a result, the keyboard 11a provided on the upper surface of the first housing 11 is exposed, so that the keyboard can be operated and the electronic device 10 can be used.

  Further, when the second casing 12 is rotated in the vertical direction with respect to the first casing 11 and the first rotation angle becomes 90 °, the cam 113 comes into contact with the cam receiving portion 120 and the moving bracket 111 is moved. Since it is pushed downward and the engagement between the rotation restricting pin 155 and the engaging portion 151 is released, the second bracket 4 can rotate in the horizontal direction with respect to the first bracket 2. This horizontal rotation is possible in the range of 0 to 360 ° (see FIG. 13). In other words, the second rotation restricting convex portion 174 is engaged with one side portion of the first rotation restricting convex portion 173 and the first rotation restricting convex portion 173 is in contact with the one engaging convex portion 125. Is 0 °, the second bracket 4 can rotate with respect to the first bracket 2 in the horizontal direction opposite to the direction in which the second rotation restricting convex portion 174 is engaged with the first rotation restricting convex portion 173. When the second bracket 4 is rotated in this horizontal direction, the second rotation restricting convex portion 174 moves with the first rotation restricting convex portion 173 after contacting the other side of the first rotation restricting convex portion 173. Then, the state in which the first rotation restricting convex portion 173 contacts the other engaging convex portion 125 and the rotation is stopped is 360 °. At 0 °, 180 °, and 360 °, the engagement convex portion 82a of the click plate 82 engages with the engagement concave portion 81b of the click friction 81, and a click feeling is generated. It is possible to easily grasp the state of ° or 360 °.

  Further, when the second bracket 4 is rotated 360 ° in the horizontal direction with respect to the first bracket 2, the first rotation restricting convex portion 173 and the second rotation restricting convex portion 174 are engaged with each other. When the rotation is stopped and the second bracket 4 rotates 360 ° in the opposite horizontal direction with respect to the first bracket 2 from this stopped state, the first rotation restricting convex portion 173 and the second rotation restricting convex portion 174 Since the engagement causes the second bracket 4 to stop rotating, the rotation of the second bracket 4 with respect to the first bracket 2 can be restricted with a simple structure.

  Further, since friction is generated between the first bracket 2 and the support member 3 by the urging force of the spring plate 83, the second casing 12 can be stopped and held at a desired position by the friction torque. That is, when the second casing 12 rotates in the horizontal direction with respect to the first casing 11, the engaging convex portion 82a is engaged with the engaging concave portion 81b when the second rotation angle is other than 0 °, 180 °, and 360 °. The tip end surface of the engaging convex portion 82a rides on the surface of the click friction 81 and slides while being in surface contact with the surface. Thereby, a friction torque is generated between the first bracket 2 and the support member 3, that is, between the first housing 11 and the second housing 12. If the rotation of the second casing 12 is stopped while the front end surface of the engaging projection 82a is riding on the surface of the click friction 81, the second casing 12 stops at that position by the friction torque. Therefore, the 2nd housing | casing 12 can be stopped at the desired angle of a horizontal direction with respect to the 1st housing | casing 11, a monitor can be utilized for another direction, and versatility improves.

  When the second rotation angle is 0 ° or 360 °, the second bracket 4 is rotated with respect to the first bracket 2 so as to be closed in the vertical direction. Then, the cam 113 moves and the moving bracket 111 moves upward by the urging force of the compression spring 112a and the end of the rotation restricting pin 155 engages with the engaging portion 151. Thus, the second housing 12 rotates only in the vertical direction, and the second housing 12 rotates to 0 ° with respect to the first housing 11 to be in a closed state. That is, the first casing 11 and the second casing 12 are in a state of being overlapped with each other, and the first casing 11 and the second casing 12 are in a closed state of being overlapped with each other.

  When the second rotation angle is 180 ° and the first casing 11 and the second casing 12 are in the closed state, the display 12a of the second casing 12 is normally positioned on the lower surface and closed. As described above, the second housing 12 is attached to the second bracket 4. Therefore, when the second casing 12 is rotated in the vertical direction with respect to the first casing 11 from the closed state, and the first rotation angle becomes 90 °, the keyboard 11a of the first casing 11 is Since the display 12a is positioned on the keyboard 11a side, the keyboard can be operated while viewing the display 12a, for example. When the first rotation angle reaches 90 °, the second rotation angle is 180 °, and therefore the second housing 12 is rotated 180 ° in one horizontal direction with respect to the first housing 11. In addition, the second housing 12 can be rotated 180 ° in the other horizontal direction with respect to the first housing 11. That is, the second housing 12 can be rotated 180 ° in both the left and right directions with respect to the first housing 11. Further, when the second rotation angle is 0 ° or 360 °, the first housing 11 and the second housing 12 can be in a closed state where they overlap each other. At this time, the first housing 11 and the second housing 12 overlap each other, and the display 12a of the second housing 12 is positioned on the upper surface. Thereby, since the display 12a can be seen or used as a touch panel in a state where the first housing 11 and the second housing 12 overlap each other, that is, in a folded state, the versatility of the monitor is further improved.

  When the second rotation angle is 180 ° and the first casing 11 and the second casing 12 are in the closed state, the display 12a of the second casing 12 is positioned on the lower surface and closed. As described above, the case where the second housing 12 is attached to the second bracket 4 has been described. However, the first housing 11 and the second housing 12 overlap each other when the second rotation angle is 0 ° or 360 °. You may make it attach the 2nd housing | casing 12 to the 2nd bracket 4 so that the display 12a of the 2nd housing | casing 12 may be located in a lower surface and may be obstruct | occluded in the closed state.

  As described above, when the tilt bracket and the portable device according to the present invention open the second bracket in the vertical direction with respect to the first bracket, when the second bracket is at a predetermined angle with respect to the first bracket, the regulating member is Since it can move and rotate in the horizontal direction by the horizontal rotation mechanism, it can grasp the state in which the display device can be rotated in the horizontal direction, or it can be moved in the horizontal direction without applying a large force. Since it can be rotated and the operability is improved, it is particularly suitable for use in a notebook computer.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic side view illustrating an example of an electronic apparatus including a first tilt hinge according to the present invention, where (a) is a view when a first rotation angle is 0 °, and (b) is a first rotation angle of 45. (C) is a view when the first rotation angle is 90 °, and (d) is a view when the first rotation angle is 180 °. 1A and 1B are diagrams illustrating an example of an electronic device according to the present invention, in which a second housing is opened 90 degrees in a vertical direction with respect to a first housing, FIG. 3A is a plan view, and FIG. is there. It is a figure which shows an example of the 1st tilt hinge based on this invention, (a) is a perspective view, (b) is a front view, (c) is AA arrow sectional drawing in (b). It is a partially exploded perspective view showing an example of the 1st tilt hinge concerning the present invention. It is a disassembled perspective view which shows an example of the 1st tilt hinge which concerns on this invention. It is a perspective view which shows an example of the 1st tilt hinge which concerns on this invention, and shows the state which rotated the 2nd bracket with respect to the 1st bracket in the horizontal direction. It is a figure which shows an example of the 1st bracket in the 1st tilt hinge based on this invention, (a) is a rear view, (b) is a top view, (c) is a side view. It is a figure which shows an example of the supporting member in the 1st tilt hinge which concerns on this invention, (a) is a top view, (b) is a front view, (c) is a side view, (d) is a bottom view. It is a perspective view showing an example of the 2nd tilt hinge concerning the present invention. It is a figure which shows an example of the 2nd tilt hinge which concerns on this invention, (a) is a front view, (b) is BB arrow sectional drawing in (a), (c) is C in (a). -C arrow directional cross-sectional view, (d) is a DD line arrow directional cross-sectional view in (a). It is a partially exploded perspective view showing an example of the 2nd tilt hinge concerning the present invention. It is a disassembled perspective view which shows an example of the 2nd tilt hinge which concerns on this invention. It is a perspective view which shows an example of the 2nd tilt hinge which concerns on this invention, and shows the state which rotated the 2nd bracket with respect to the 1st bracket in the horizontal direction. It is a figure which shows an example of the 1st bracket in the 2nd tilt hinge which concerns on this invention, (a) is a top view, (b) is a side view, (c) is a front view. It is a figure which shows an example of the supporting member in the 2nd tilt hinge which concerns on this invention, (a) is a top view, (b) is a front view, (c) is a side view, (d) is a bottom view.

DESCRIPTION OF SYMBOLS 1 1st tilt hinge 2 1st bracket 3 Support member 4 2nd bracket 5 Horizontal rotation control means 6 Vertical rotation mechanism 7 Horizontal rotation angle control mechanism 8 Horizontal rotation mechanism 10 Electronic device 11 1st housing | casing 12 2nd housing | casing 33 times Movement support portion 42 Vertical rotation portion 51 First engagement portion 52 Second engagement portion 53 Restriction member 54 Rotation restriction cam 55 Rotation restriction pin 56 Compression spring (biasing member)
61 Shaft 62 Vertical rotation friction generating means 71 Operation stopper 72 Stopper plate 73 First rotation restricting convex portion (moving engagement portion)
74 Second rotation restricting convex portion (regulating engaging portion)
80 Horizontal rotation friction generating means 100 Second tilt hinge 110 Restricting member moving means 111 Moving bracket 112 Energizing member 113 Cam 114 Drive pin 142 Vertical rotating part 151 Engaging part 152 Restricting member 155 Rotation restricting pin

Claims (6)

A tilt hinge that connects the first housing and the second housing so as to be rotatable in a vertical direction and a horizontal direction,
A first bracket attached to one of the first housing and the second housing; a support member provided on the first bracket so as to be rotatable in a horizontal direction via a horizontal rotation mechanism; A second bracket attached to either one of the first housing and the second housing, which is attached to the member so as to be rotatable in a vertical direction via a vertical rotation mechanism;
Horizontal rotation restricting means for restricting rotation of the second bracket in the horizontal direction with respect to the first bracket, and horizontal rotation angle for restricting a rotation angle range of the second bracket in the horizontal direction with respect to the first bracket. With a regulation mechanism,
The horizontal rotation restricting means includes a first engagement portion provided on one of the first bracket and the second bracket, and a second engagement provided on the other of the first bracket and the second bracket. And the first engagement portion is movably provided between the first bracket and the second bracket, and is engaged with either the first engagement portion or the second engagement portion. A restricting member that restricts rotation in the horizontal direction when engaged with the second portion and restricts rotation in the vertical direction when engaged with the second engaging portion; and Biasing means for biasing to engage with the two engaging portions;
Only when the second bracket rotates perpendicularly to the first bracket and reaches a predetermined angle, the restricting member moves by the urging force of the urging means, and the engagement of the restricting member is The first engagement portion is switched to the second engagement portion, and the second bracket is configured to be horizontally rotatable with respect to the first bracket .
The horizontal rotation angle restricting mechanism includes an arc-shaped rotation restricting engagement hole provided in the first bracket, an operation stopper rotatably provided on an outer periphery of the rotation support portion, and a circumference of the operation stopper. The movement engaging portion that protrudes in an axial direction at an end portion, and that engages with the rotation restricting engagement hole and can move in the arc direction of the rotation restricting engagement hole; A stopper plate that is fitted to the outer periphery of the rotation support portion between the operation stopper and the first bracket and rotates together with the rotation support portion, and protrudes in a radial direction at a circumferential end portion of the stopper plate. The movement engagement portion is engaged with the other side portion of the movement engagement portion from the position where the movement engagement portion is stopped by engaging with one side portion of the movement engagement portion. 360 ° range until the position where the In wherein the second bracket is provided with, said restricting engagement portion rotating relative to the first bracket, the tilt hinge. The first bracket is provided with the first engagement portion, the second bracket is provided with the second engagement portion,
The tilt hinge according to claim 1 , wherein the restricting member is provided on the support member so as to be movable via a restricting member moving unit . The vertical rotation mechanism includes a shaft provided on the support member, a vertical rotation part provided on the second bracket and supported by the shaft so as to be rotatable in a vertical direction, and the vertical rotation part. Bei example a vertical rotation friction generating means for generating a friction between the shaft,
The horizontal rotation mechanism is provided on the support member and is supported by the first bracket so as to be rotatable in the horizontal direction, and the friction between the rotation support and the first bracket. and having a horizontal rotational friction generating means for generating, tilt hinge according to claim 1. The restricting member moving means includes a moving bracket that contacts the peripheral surface of the vertical rotating portion, and a direction in which the restricting member is engaged with the engaging portion by bringing the moving bracket into contact with the peripheral surface of the vertical rotating portion. An urging member for urging and provided on a peripheral surface of the vertical rotation portion, and when the second bracket is opened at a predetermined angle in the vertical direction with respect to the first bracket, the restriction member is moved to The tilt hinge according to claim 2, further comprising a cam for releasing the engagement with the engagement portion . A support member is provided on the first bracket so as to be pivotable in the horizontal direction, and the support member is inserted into a pivot support hole of the first bracket so that the support member is pivotally supported by the first bracket. A rotation support portion to be provided, and the second bracket is provided,
The horizontal rotation angle restricting mechanism includes an arc-shaped rotation restricting engagement hole provided in the first bracket, an operation stopper provided rotatably on an outer periphery of the rotation support portion, and a circumference of the operation stopper. The movement engaging portion that protrudes in an axial direction at an end portion, and that engages with the rotation restricting engagement hole and can move in the arc direction of the rotation restricting engagement hole; A stopper plate that is fitted to the outer periphery of the rotation support portion between the operation stopper and the first bracket and rotates together with the rotation support portion, and protrudes in a radial direction at a circumferential end portion of the stopper plate. The movement engagement portion is engaged with the other side portion of the movement engagement portion from the position where the movement engagement portion is stopped by engaging with one side portion of the movement engagement portion. 360 ° range until the position where the In the second bracket is characterized in that a said restricting engagement portion rotating relative to the first bracket, tilt hinge according to claim 1. An electronic apparatus comprising the tilt hinge according to any one of claims 1 to 5 .

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