JP4586177B1 - Biaxial hinge structure and portable device - Google Patents

Abstract

Even if two axes that open a casing vertically and horizontally are separated from each other, it is possible to restrict the rotation of one of the axes as necessary.
A first rotating shaft 11 that is relatively rotated from a state in which a first casing (1) and a second casing (2) are overlapped and folded to open in a vertical direction, and a first casing ( 1) and 2nd housing | casing (2) are 2 axis | shaft hinge structures provided with the 2nd rotating shaft 12 which rotates relatively from the state folded and folded and open | releases to a horizontal direction, Comprising: 1st rotating shaft 11 and the second rotating shaft 12, and at a predetermined rotational position of one rotating shaft, the one rotating shaft is pushed by the one rotating shaft and engaged with the other rotating shaft, and the other rotating shaft is rotated. A regulating member 17 for regulating is provided. Specifically, the restricting member 17 is a plate-like member that abuts on cams 19 and 29 provided on one rotating shaft, and rotates by contact with the cams 19 and 29 to engage with the other rotating shaft. To do.
[Selection] Figure 12

Description

  The present invention relates to a biaxial hinge structure and a portable device including the biaxial hinge structure.

  The foldable portable terminal is provided with a biaxial hinge for assembling the display unit casing in a vertical or horizontal direction with respect to the operation unit casing (see, for example, Patent Document 1).

Japanese Patent No. 4216887

  In conventional biaxial hinges as in Patent Document 1, there are no restrictions on the two axes that open vertically and horizontally, so the housing can be opened in any direction, but the style can be quickly changed vertically and horizontally. If you want to rotate it in an unintended direction, it was unsuitable.

  An object of the present invention is to make it possible to restrict the rotation of one shaft as necessary even if two shafts that open the casing vertically and horizontally are separated.

In order to solve the above-described problems, the biaxial hinge structure according to the first aspect of the present invention is opened in the vertical direction by relatively rotating the first housing and the second housing from the folded state. A first rotating shaft to be
A biaxial hinge structure comprising: a second rotating shaft that is relatively rotated from a state in which the first housing and the second housing are overlapped and folded to be opened laterally;
A plate-shaped member is disposed between the first rotating shaft and the second rotating shaft, abuts against a cam provided on one rotating shaft, and rotates by contact with the cam . A regulating member that is pushed by the one rotating shaft and engages with the other rotating shaft at a predetermined rotational position of the rotating shaft, and restricts the rotation of the other rotating shaft ;
A third rotating shaft disposed on the same axis as the first rotating shaft;
Bearing the third rotating shaft, and a bearing portion that obtains a click feeling at every predetermined angle of rotation of the third rotating shaft,
The other rotating shaft has a large diameter part having a notch in a part thereof at an end facing the regulating member, a small diameter part, and a step part which is a boundary between the large diameter part and the small diameter part. Have
The regulating member is
The rotation of the one rotation shaft is allowed by being disposed outside the small diameter portion and being partially accommodated in the notch,
Restricting the rotation of the other rotating shaft by abutting on the stepped portion, and abutting on the surface of the notch in a state where a part thereof is fitted in the notch,
Allowing rotation of the other rotating shaft when in a predetermined rotation posture separated from the other rotating shaft;
It is characterized by that.

Further, a box-shaped member to which the first rotating shaft and the second rotating shaft are attached may be provided, and an electronic component may be accommodated in the box-shaped member .

In addition, the electronic component may be I movie camera der.

The first rotary shaft and second rotary shaft is a hollow member for inserting the wire, and inserting the wire to the first rotary shaft and the hollow member of the second rotary shaft, the first rotary shaft And it is preferable to provide the holding member which hold | maintains the said wire between 2nd rotating shafts .

The wire may be a wiring that electrically connects circuit boards provided in the first casing and the second casing , respectively.
Further, the first rotation shaft and the second rotation shaft may be arranged via the restriction member.

Moreover, the portable apparatus which concerns on the other viewpoint of this invention is provided with the said biaxial hinge structure, It is characterized by the above-mentioned .

  According to the present invention, even if the two axes that open the casing vertically and horizontally are separated, the rotation of one of the axes can be restricted as necessary.

BRIEF DESCRIPTION OF THE DRAWINGS It is the perspective view which showed the structure of one Embodiment of the portable apparatus to which this invention is applied, and showed the folding state of the mobile telephone. It is the perspective view which showed the state which open | released the mobile telephone of FIG. 1 in the vertical direction. It is the perspective view which showed the state which open | released the mobile telephone of FIG. 1 in the horizontal direction. It is the perspective view which showed the movie style state of the mobile telephone of FIG. It is the figure which showed the hinge unit in the folding state of FIG. It is the figure which showed the method of wiring in the folding state of FIG. It is an expansion perspective view which combined the hinge unit of FIG. 5, and the wiring of FIG. It is a perspective view corresponding to the folding state of the hinge unit of FIG. It is an enlarged view of the control part of the hinge unit of FIG. It is the figure which looked at the control part of the hinge unit of FIG. 8 from the opposite side. It is the enlarged view which showed the time of restriction | limiting cancellation | release of the control part of FIG. It is the enlarged view which showed the time of the control action of the control part of FIG. It is the enlarged view which looked at the cellular phone of the folded state of Drawing 1 from the other end side. It is a disassembled perspective view of the 3rd housing | casing and bumper of FIG. It is a disassembled perspective view of the switch etc. which are integrated in the side surface of the bumper assembly part of FIG. It is the figure which showed the screen and the direction of a camera in the vertical direction open state of FIG. It is the figure seen from the opposite side to FIG. It is the figure which also showed the bumper part on the opposite side to FIG. It is an enlarged view of the bumper part of FIG. It is the figure which showed the example which provides a bumper in the 1st housing | casing side of FIG. FIG. 9 is a diagram corresponding to a vertically opened state of the hinge unit of FIG. 8. It is an enlarged view of the control part of FIG. It is the figure which showed the book style in the horizontal direction open | released state of FIG. It is a figure corresponding to the book style of the hinge unit of FIG. It is an enlarged view of the control part of FIG. It is the figure which showed the screen and the direction of a camera in the movie style of FIG. It is the top view seen from the upper direction of FIG. It is the figure which showed the way of seeing from the opposite side in the movie style of FIG. It is a figure corresponding to the movie style of the hinge unit of FIG. It is an enlarged view of the control part of FIG. FIG. 31 is an enlarged perspective view of the restriction plate in FIG. 30. 6 is a perspective view showing a configuration of a regulating member of Embodiment 2. FIG. It is the front view (a) and side view (b) which showed the folding state of the control member structure part of FIG. It is the front view (a) and side view (b) which showed the normal open state of the control member structure part of FIG. It is the front view (a) and side view (b) which showed the book style state of the control member structure part of FIG. It is the perspective view which showed the example of a response | compatibility of the movie style state of the control member structure part of FIG. FIG. 37 is a side view showing a folded state of the restricting member constituting portion of FIG. 36. It is the side view which showed the movie style state of the control member structure part of FIG. It is the perspective view which showed the usage example in a book style. It is the perspective view which showed the normal open state in the example which used the 3rd housing | casing as the interface mounting part. It is the perspective view which showed the normal open state in the example which used the 3rd housing | casing as the fingerprint sensor or the touch sensor mounting part. It is the figure which showed the folding state of the example of FIG. It is the perspective view which showed the normal open state in the example which used the 3rd housing | casing as the incoming lamp mounting part. It is the figure which showed the folding state of the example of FIG. It is the perspective view which showed the normal open state in the example which used the 3rd housing | casing as the sub monitor + touch panel mounting part. It is the figure which showed the folding state of the example of FIG. It is the perspective view which showed the normal open state in the example which used the 3rd housing | casing as the inner camera mounting part. It is the figure which showed the folding state of the example of FIG. It is the figure which looked at the biaxial hinge unit and wiring of FIG. 7 from the opposite side. It is an enlarged view of the arrow E part of FIG. It is the figure which showed the relationship between the wiring of FIG. 50, and its holding member. It is the figure which looked at the holding member of FIG. 51 from the opposite side. It is an exploded view which shows how to assemble the holding member of FIG.

DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to the drawings.
(Embodiment 1)
1 to 4 show a mobile phone as a configuration of an embodiment of a mobile device to which the present invention is applied. 1 is a first casing, 2 is a second casing, 3 is a third casing, Is an operation unit, 5 is a display unit, 6 is an antenna, 7 is a movie camera (shooting unit), and 8 is an illumination unit.

  In the mobile phone, as shown in the figure, the first housing 1, the second housing 2, and the third housing 3 are coupled via a biaxial hinge unit 10 described later. The first housing 1 is provided with an operation unit 4, the second housing 2 is provided with a display unit 5 and an antenna 6, and the third housing 3 is provided with a movie camera 7 and an illumination unit 8 as a photographing unit. Is provided.

  5 and 8 show the biaxial hinge unit 10 incorporated in the third housing 3, wherein 11 is a first rotating shaft, 12 is a second rotating shaft, 13 is a third rotating shaft, and 21 is a rotating shaft. The first mounting member, 22 is the second mounting member, and 30 is the frame of the third housing 3.

  As shown, the biaxial hinge unit 10 includes a left first rotating shaft 11, a right second rotating shaft 12, a left third rotating shaft 13, a left and right first rotating shaft 11, and a third rotating shaft. A pair of first mounting members 21 provided on each of the shafts 13, a second mounting member 22 provided on the second rotating shaft 12, and a frame 30 of the third housing 3 at the center are configured.

  That is, the left and right first rotating shafts 11 and the third rotating shaft 13 are located on the same axis and are hollow with the axes directed in the left and right directions. It is integrated with the lower part of the bracket 14 fixed to the right side of the screw by means of a bearing member. The third rotating shaft 13 on the left side of the figure is assembled to the left side surface of the frame 30 via a bearing member 15 that provides a click feeling corresponding to a predetermined angle such as 90 degrees.

  Each of the first rotating shaft 11 and the third rotating shaft 13 is press-fitted with an arm-shaped first mounting member 21 that extends in a direction orthogonal to the axis and is screwed and fixed inside the first housing 1. They are integrated. The rotation angle of the first mounting member 21 is limited to about 180 degrees or the like due to the engagement structure with the bearing member of the first rotating shaft 11.

  The second rotary shaft 12 is a hollow shaft whose axis is directed in the front-rear direction, and is rotatable through a bearing member on a protrusion 16 formed integrally with the upper portion of the bracket 14 on the right side of the frame 30 in the drawing. It is integrated. An arm-shaped second mounting member 22 that extends in a direction orthogonal to the axis of the second rotating shaft 12 and is screwed and fixed inside the second housing 2 is press-fitted and integrated. . The rotation angle of the second mounting member 22 is limited by engaging the engagement piece 16 a provided on the protrusion 16 with the groove 12 a formed on the outer periphery of the second rotation shaft 12.

  6 shows the first wiring 31 and the second wiring 32, and FIG. 7 is a diagram in which the biaxial hinge unit 10, the first wiring 31 and the second wiring 32 are combined.

  That is, the first wiring 31 is a coaxial cable having a connector 31a connected to the substrate in the first housing 1 at one end and a connector 31c connected to the substrate in the third housing 3 at the other end. In FIG. 7, it passes through the hollow portion of the first rotation shaft 11 on the right side.

  And the 2nd wiring 32 is a coaxial cable which equips one end with the connector 32a connected to the board | substrate in the 1st housing | casing 1, and equips the other end with the connector 32b connected to the board | substrate in the 2nd housing | casing 2. In FIG. 7, it passes through the hollow portion of the first rotary shaft 11 on the right side and passes through the hollow portion of the second rotary shaft 12.

  In addition, the antenna wire 33 provided with a terminal 33 a connected to the substrate in the first housing 1 at one end and the terminal 33 b connected to the substrate in the second housing 2 at the other end is also connected to the second wiring 32. Similarly, in FIG. 7, it passes through the hollow portion of the first rotary shaft 11 on the right side and passes through the hollow portion of the second rotary shaft 12.

  9 is an enlarged view of the restricting portion of the biaxial hinge unit 10, FIG. 10 is a view of the restricting portion of the biaxial hinge unit 10 of FIG. 8 as viewed from the opposite side, 17 is a restricting plate, 18 is a pin, Reference numeral 19 denotes a first cam.

  As shown in the figure, the restricting plate 17 has a bell crank shape that is mounted on the side surface of the protruding portion 16 at the upper portion of the bracket 14 so as to be swingable by a pin 18 parallel to the second rotating shaft 12. The restriction plate 17, the lower end of which is in contact with the first cam 19 formed on the outer periphery of the end of the first rotating shaft 11, and the second end of which the side end is formed on the outer periphery of the end of the second rotating shaft 12. 29 abuts.

  As shown in FIGS. 11 and 12, the first cam 19 on the outer periphery of the end portion of the first rotating shaft 11 is the same as the small diameter portion 19 a formed on the semicircular strong side of the first rotating shaft 11, and is formed on the small semicircular portion. It is comprised from the diameter part 19b and the notch part 19c formed in the intermediate part of the large diameter part 19b.

  The second cam 29 on the outer periphery of the end of the second rotating shaft 12 is constituted by an uneven portion formed on the outer periphery of the end of the second rotating shaft 12.

  As shown in FIG. 11, the lower end of the regulating plate 17 has the first rotating shaft while the lateral end of the regulating plate 17 is in contact with the second cam 29 by the uneven portion on the outer periphery of the end of the second rotating shaft 12. The first rotation shaft 11 is allowed to rotate by being spaced apart from the first cam 19 on the outer periphery of the end portion of the first rotation shaft 11.

  Further, the regulating plate 17 is in a state where the side end is in contact with the outer periphery of the end of the second rotating shaft 12, and the lower end is the small diameter portion 19 a of the cam 19 on the outer periphery of the end of the first rotating shaft 11. And the large diameter portion 19b are in contact with the stepped portion, and as shown in FIG. 12, the rotation of the first rotating shaft 11 is restricted in the state where the first rotating shaft 11 is fitted into the notch portion 19c.

  FIG. 13 is an enlarged view of the folded cellular phone shown in FIG. 1 as viewed from the other end. The third housing 3 is composed of a lower case 34 and an upper case 35, and is lower than the upper case 35. The case 34 is located in a recess 1 a formed at the end of the first housing 1. The first rotating shaft 11 penetrates between the lower case 34 and the protruding portions 1b located on both sides of the recess 1a of the first housing 1, whereby the third housing 3 is moved to the first housing 1. On the other hand, the first rotation shaft 11 can be opened and closed in the vertical direction.

  Further, as shown in the drawing, the upper case 35 is located on the extension of the second housing 2 in the folded state. The second rotating shaft 12 passes between one side portion of the upper case 35 and the second housing 2, whereby the second housing 2 is located on the second side on the one side with respect to the third housing 3. The rotary shaft 12 can be opened and closed laterally.

  Further, as shown in FIG. 14, a protrusion 34a that closes the open portion of the upper case 35 is formed on the upper left and right of the lower case 34, and a cushioning material made of a soft material such as rubber is formed on the lower surface of the protrusion 34a. A bumper 23 is provided. A hole 34b through which the first rotating shaft 11 protrudes is formed on the side surface of the lower case 34. The bumper 23 also serves as a blindfold for the through hole 34c formed in the protruding portion 34a.

  Further, the lock release button 24 is assembled between the protrusion 34 a of the lower case 34 and the side surface of the upper case 35. As shown in FIG. 15, the lock release button 24 is engaged with a lock claw 25 that is slidably assembled on the protrusion 34a. The lock claw 25 is biased in a direction protruding from the end surface of the third housing 3 by the coil spring 26 and engages with a recess (not shown) formed on the end surface of the second housing 2. The through hole 34c remains to form a slit 34d for incorporating the coil spring 26 by a protrusion provided on the lower mold when the lower case 34 is molded with resin.

  First, FIGS. 1 and 13 show a state in which the first housing 2 and the third housing 3 are folded on the first housing 1, and FIG. 8 shows a biaxial hinge corresponding to the folded state. The unit 10 is shown. That is, the first attachment member 21 and the second attachment member 22 are oriented parallel to the same direction from the frame 30.

  At this time, the restriction plate 17 has a lateral end abutting against the second cam 29 by the uneven portion on the outer periphery of the end of the second rotation shaft 12, and a lower end portion of the restriction plate 17 has the first rotation shaft as shown in FIG. 9. 11 is spaced laterally from the large-diameter portion 19b of the first cam 19 on the outer periphery of the end portion, and the first rotating shaft 11 is allowed to rotate. Further, the rotation of the second rotating shaft 12 is allowed.

  Next, FIGS. 2 and 16 to 18 show a normal open style in which the second housing 2 and the third housing 3 are opened with respect to the first housing 1 in the vertical direction around the first rotation shaft 11. 16 and 17, the direction indicated by the arrow A indicates the direction of the movie camera 7, and the direction indicated by the arrow B indicates the direction of the screen of the display unit 5. FIG. 21 shows the biaxial hinge unit 10 corresponding to the normal open style. In other words, the first mounting member 21 and the second mounting member 22 face the frame 30 in opposite directions.

  At this time, as shown in FIG. 22, the lower end portion of the regulating plate 17 is laterally separated from the large diameter portion 19 b of the first cam 19 on the outer periphery of the end portion of the first rotating shaft 11. As shown, since the side end is in contact with the second cam 29 by the uneven portion on the outer periphery of the end of the second rotating shaft 12, the rotation of the second rotating shaft 12 is restricted.

In the above normal open style, when the second housing 2 and the third housing 3 are opened with respect to the first housing 1 in the vertical direction around the first rotation shaft 11, the enlarged view is shown in FIG. As described above, the bumper 23 abuts against the back surface of the protruding portion 1b of the first housing 1 to buffer the impact.
In this way, the bumper 23 that normally cushions in an open style is provided on the inner surface of the third housing 3 in a folded state in consideration of design, and is disposed at a position where it cannot be seen from the exterior. It also serves as a blindfold for the through-hole 34c, which is not necessary for the structure of the molding die, in the protrusion 34a of the lower case 34 of the housing 3.

  In addition, as shown in FIG. 20, you may provide the bumper (buffer material) 27 in the back surface of the protrusion part 1b of the 1st housing | casing 1. As shown in FIG. The bumper 27 abuts against the third housing 3 when the cellular phone is opened in the vertical direction to buffer the impact, or cushions the impact when the cellular phone is placed on a desk or the like. It also serves as a screw concealment for concealing a screw for fixing the lower case and the upper case constituting the body 1 together.

  Next, in FIGS. 3 and 23, the second housing 2 is opened laterally around the second rotating shaft 12 with respect to the first housing 1 and the third housing 3, and the display unit 5 is made horizontally long. FIG. 24 shows a biaxial hinge unit 10 corresponding to the book style. That is, the second mounting member 22 faces one side with respect to the frame 30 and the first mounting member 21 in the folded state.

  At this time, the regulation plate 17 has a lateral end abutting on the outer periphery of the end of the second rotating shaft 12 and a lower end of the restricting plate 17 on the outer periphery of the end of the first rotating shaft 11 as shown in FIG. Since the first cam 19 is in contact with the step portion between the small diameter portion 19a and the large diameter portion 19b, the rotation of the first rotating shaft 11 is restricted.

  Next, in FIGS. 4 and 26 to 28, the second housing 2 and the third housing 3 are rotated 90 degrees about the first rotation shaft 11 with respect to the first housing 1, and the display unit 5 is horizontally long. 26 and 27, the direction indicated by the arrow A indicates the direction of the movie camera 7, and the direction indicated by the arrow B indicates the direction of the screen of the display unit 5. FIG. 29 shows the biaxial hinge unit 10 corresponding to the movie style. In other words, the first mounting member 21 is oriented in the direction perpendicular to the frame 30 and the second mounting member 22 in the folded state.

  At this time, as shown in FIG. 30, the lower end portion of the regulating plate 17 is separated from the notch portion 19 c of the large-diameter portion 19 b of the first cam 19 on the outer periphery of the end portion of the first rotating shaft 11. The rotation of the second rotating shaft 12 is allowed. Accordingly, the angle of the display unit 5 of the second housing 2 can be changed with respect to the third housing 3.

  In the movie style, as shown in FIGS. 26 to 28, the shutter key 41 and the zoom key 42 provided on the upper surface of the first housing 1 near the third housing 3, and the first housing similarly. A sub menu key 43, a screen display switching key 44, an A-MAT (voice zoom) ON / OFF key 45, a face pita ON / OFF key 46, a backlight correction key 47, A white balance key 48 and a second shooting key 49 are used.

  The submenu key 43, the screen display switching key 44, the A-MAT (voice zoom) ON / OFF key 45, the face pita ON / OFF key 46, the backlight compensation key 47, the white balance key 48, and the second shooting key 49 are displayed. A portion along the line is printed to that effect.

  Bumpers 51 and 52 are provided along the vertical direction on the inner surface of the first housing 1 and before and after the operation unit 4. The bumpers 51 and 52 buffer shocks when the second casing 2 and the third casing 3 are folded against the first casing 1, and further, a lower case and an upper casing constituting the first casing 1. It also serves as a screw concealment that conceals the screws that hold the case together.

  In the above movie style, as shown in phantom lines in FIG. 28, the thumb can be held along the bumper 51, the index finger can be held along the zoom key 42, the middle finger can be held along the shutter key 41, and the right hand can be held. That is, it is possible to realize a movie style having a grip feeling that is easy to hold with the right hand. In this case, the surface of the bumper 51 on the side close to the third housing 3 is subjected to a texture process that functions as a slip stopper for the thumb.

  A microphone hole 53 is provided in a portion of the first housing 1 that is spaced above the white balance key 48. In addition, a pair of left and right microphone holes 54 are provided in the upper portion of the front surface portion of the second housing 2 opposite to the display portion 5.

  Next, in the movie style described above, when the second housing 2 having the display unit 5 is rotated around the upper second rotation shaft 12 with respect to the third housing 3 having the imaging unit 7, The display unit 5 can be viewed as a finder at the time of movie shooting at an oblique high angle looking up from below. Further, when the second housing 2 is slightly rotated to the near side, the display unit 5 can be viewed as a finder at an oblique low angle looking down from above.

  When the second housing 2 is rotated to the near side with respect to the third rotating shaft 12 with respect to the third housing 3, the lower end portion of the restriction plate 17 is moved to the first rotating shaft 11 as shown in FIG. It enters into the notch 19c of the large-diameter portion 19b of the first cam 19 on the outer periphery of the end. Thereby, rotation of the 1st rotating shaft 11 is controlled.

  As described above, in the book style, as shown in FIGS. 3 and 23, the sub menu key 43, the screen display switching key 44, the A-MAT (audio zoom) ON / OFF key 45, the face pita ON / OFF key 46, The print display provided in the portion along the backlight correction key 47, the white balance key 48, and the second shooting key 49 is covered with the second casing 2 and is difficult to see. For this reason, along the lower part of the display unit 5, the sub menu key 43, the screen display switching key 44, the A-MAT (audio zoom) ON / OFF key 45, the face pita ON / OFF key 46, the backlight correction key 47, white A display corresponding to the balance key 48 and the second shooting key 49 is made.

  In the folded state, as shown in FIG. 8, the first mounting member 21 and the second mounting member 22 are parallel to the same direction from the frame 30 of the biaxial hinge unit 10. Since the screwing part for the second housing 2 is positioned up and down, the device has been devised so that it is easy to tune (or repair) the misalignment of the two housings 1 and 2 at the end of the assembly process. Yes.

  Next, FIG. 31 is an enlarged view of the restriction plate 17 shown in FIG. 30. As shown in the figure, the restriction plate 17 is formed on the support portion 17a positioned around the pin 18 that is assembled so as to be swingable. Is formed.

  Accordingly, as shown in FIG. 12, the lower end portion of the restriction plate 17 enters the notch portion 19 c of the large-diameter portion 19 b of the first cam 19 on the outer periphery of the end portion of the first rotation shaft 11, and the first rotation shaft 11. In the state where the rotation of is restricted, the following effects can be obtained. That is, as described above, in the movie style of FIG. 28, the second housing 2 is rotated 90 degrees away from the third housing 3 around the upper second rotation shaft 12, and for example is forcibly folded. When a force is applied in the direction, the support portion 17a located around the pin 18 of the restriction plate 17 temporarily expands due to the presence of the downward cutout portion 17b, and the large diameter of the first cam 19 with respect to the lower end portion of the restriction plate 17 Breakage of the pin 18 due to a load in the lifting direction by the notch portion 19c of the portion 19b can be avoided.

  As described above, according to the mobile phone of the embodiment, the first casing 1 having the operation unit 4 and the second casing 2 having the display unit 5 are moved relative to each other from the folded state and opened in the vertical direction. The first case 1 and the second case have a case structure in which the first rotation shaft 11 to be opened and the second rotation shaft 12 similarly opened in the horizontal direction are housed in the third case 3 together with the movie camera 7. 3 is moved together with the second housing 2 when the second housing 2 is opened in the vertical direction, and the third housing 3 is moved together with the first housing 1 when opened in the horizontal direction. By adopting the moving configuration, it is possible to shoot a movie with the movie camera 7 while viewing the screen of the display unit 5 in landscape orientation with a movie style if necessary.

  Further, in the movie style, the second housing 2 having the display unit 5 is rotated around the second rotation shaft 12 in the central portion with respect to the third housing 3 having the movie camera 7, so The display unit 5 as a finder can be a high angle with an oblique angle looking up from below, or a low angle with an oblique angle looking down the display unit 5 from above.

  In the biaxial hinge unit 10, the first rotating shaft 11 and the second rotating shaft 12 are assembled to the frame 30 of the third housing 3, and the first mounting member 21 integrated with the first rotating shaft 11 is the first housing. Since the second mounting member 22 that is assembled to the body 1 and is integrated with the second rotating shaft 12 is assembled to the second housing 2, the strength is excellent.

  Then, the first wiring 31 having one end fixed in the first casing 1 and the other end fixed in the third casing 3 is passed through the hollow portion of the first rotating shaft 11, By passing the second wiring 32 having one end fixed to the second housing 2 and the other end fixed to the second housing 2 through the hollow portion of the first rotating shaft 11 and passing through the hollow portion of the second rotating shaft 12, Wiring in the housing can be performed.

  The biaxial hinge unit 10 is disposed between the first rotating shaft 11 and the second rotating shaft 12, and is pushed by the one rotating shaft at a predetermined rotating position of the one rotating shaft and the other rotating shaft. The first rotating shaft 11 and the second rotating shaft 11 that vertically and horizontally open the first housing 1 and the second housing 2 are provided. Even if the rotary shaft 12 is separated as in the embodiment, as described above, in the normal open style, book style, and movie style, the rotation of one of the shafts can be restricted as necessary.

(Embodiment 2)
Next, FIGS. 32 and 33 show the configuration of the regulating member of the second embodiment, wherein 61 is a first cam, 62 is a second cam, 63 is a first regulating plate, 64 is a second regulating plate, and 65 is A first fixing pin, 66 is a second fixing pin, and 67 is a sliding support plate.

  In the second embodiment, as shown in the figure, a first cam 61 by a disc cam is integrally provided at an end portion of the first rotating shaft 11, and a second cam by a disc cam is also provided at an end portion of the second rotating shaft 12. The first restricting plate 63 that abuts on the first cam 61 and the second restricting plate 64 that abuts on the side of the second cam 62 are provided.

  The first restricting plate 63 has a vertical guide hole 63a with which the first fixing pin 65 is engaged, and has a restricting hole 63b above the guide hole 63a. The second restricting plate 64 has a lateral guide hole 64a with which the second fixing pin 66 is engaged, and has a restricting convex portion 64b whose upper and lower surfaces are tapered surfaces on the tip side. A sliding support plate 67 that slides and guides both the vertical movement of the first regulating plate 63 and the lateral movement of the second regulating plate 64 is provided.

  Here, FIGS. 32 and 33 show the folded state of the above-described restricting member constituting portion. As shown, the first restricting plate 63 contacts the base circle of the first cam 61 and the second cam The second restriction plate 64 is in contact with the base circle 62.

  FIGS. 34 (a) and (b) show the normally open state of the restricting member component, and the first rotating shaft 11 rotates 180 degrees from the folded state of FIG. The first restriction plate 63 is pushed up by the cam top of the cam 61. As a result, the restricting convex portion 64b of the second restricting plate 64 does not enter the restricting hole 63b of the first restricting plate 63, so that some rotation of the second rotating shaft 12 is allowed but further rotation is restricted. Is done. Therefore, the horizontal rotation of the second housing 2 in the normally open state is restricted.

  35 (a) and 35 (b) show the book style state of the restricting member constituting portion, and the second rotating shaft 12 rotates 180 degrees from the folded state of FIG. The second restriction plate 64 is pushed forward by the cam top of the cam 62, and the restriction convex portion 64b at the tip of the second restriction plate 64 fits into the restriction hole 63b of the first restriction plate 63. Thereby, rotation of the 1st rotating shaft 11 is controlled. Therefore, the forced rotation of the second housing 2 in the book style in the vertical direction is restricted.

  Next, FIG. 36 shows a correspondence example of the movie style state of the restricting member constituting portion. As shown in the drawing, the 90 degree rotation state is provided between the guide hole 63a and the restricting hole 63b of the first restricting plate 63. The regulation hole 63c is formed.

  FIG. 37 shows the folded state of the restricting member constituting portion. As shown in the figure, the restricting hole 63b is located in front of the second restricting plate 64.

  FIG. 38 shows the movie style state of the restricting member component, and the first restricting plate 63 is pushed up by the first cam 61 when the first rotating shaft 11 rotates 90 degrees from the folded state. As described above, an intermediate restriction hole 63 c is located in front of the second restriction plate 64.

  In this state, when the second rotating shaft 12 rotates 90 degrees, the second restricting plate 64 is pushed forward by the second cam 62 as shown in the figure, and the restricting convex portion 64b at the tip thereof is The restriction plate 63 is fitted into the middle restriction hole 63c. Thereby, rotation of the 1st rotating shaft 11 is controlled. Therefore, the forced rotation in the vertical direction of the second housing 2 in the state of being rotated 90 degrees around the second rotation shaft 12 in the movie style is restricted.

  Next, FIG. 39 shows an example of use in the book style. As shown in the figure, when the mobile phone is gripped with both hands in the book style, the right thumb is placed on the bumper 52 portion at the end of the first housing 1. Since the left thumb is naturally placed on the movie camera 7 part of the third housing 3 by being naturally placed, it can be operated in a natural style.

  FIG. 40 shows an example in which the third casing 3 is a mounting portion of the interface 71 and shows a normally open state. As described above, by mounting the interface 71 on the third housing 3, the interface 71 that can be used in both the open style and the closed style can be provided. Thereby, it becomes possible to improve the user-friendliness and the comfortable operability of the mobile phone.

  FIG. 41 shows an example in which the third housing 3 is an electronic component and the mounting portion for the fingerprint sensor or the touch sensor 72 is shown in a normally open state. Thus, by providing the fingerprint sensor or the touch sensor 72 in the third housing 3, the pointer on the main screen of the display unit 5 can be operated in the open style, and the main screen can be operated in the same manner.

  FIG. 42 shows the folded state of the example of FIG. 41. In this way, in the closed style, the fingerprint is read by the fingerprint sensor 72, security setting / release, and other shortening functions, etc. are possible.

  FIG. 43 shows a normally open state as an example in which the third housing 3 is used as an electronic component and the receiving lamp 73 is mounted. In this way, by providing the incoming call lamp 73 in the third housing 3, it is possible to add an announcement at the time of incoming call and an illumination function for each other operation in the open style.

  FIG. 44 shows the folded state of the example of FIG. 43. Thus, even in the closed style, an announcement at the time of an incoming call, etc., and an illumination function at the time of payment, for example, at the time of payment by the “Osaifu” function are added. It becomes possible.

  FIG. 45 shows an example in which the third housing 3 is an electronic component and the sub-monitor + touch panel 74 is mounted in a normally open state. As described above, by providing the sub-monitor + touch panel 74 in the third housing 3, various information can be displayed in the open style, the pointer of the main screen of the display unit 5 can be operated, and the main screen can also be operated. .

  FIG. 46 shows the folded state of the example of FIG. 45. Thus, in the closed style, various information is displayed, logo display, fingerprints are read, security is set / released, etc., shortening function, etc. Is possible.

  FIG. 47 shows a normal open state in an example in which the third housing 3 is used as an electronic component and the inner camera 75 is mounted. In this manner, by providing the inner camera 75 in the third housing 3, videophone can be performed in the open style, the pointer on the main screen of the display unit 5 can be operated, and the main screen can be operated in the same manner.

  FIG. 48 shows the folded state of the example of FIG. 47. Thus, in the closed style, fingerprints and the like can be read, security setting / release, and other shortening functions can be performed.

  Next, FIG. 49 is a view of the biaxial hinge unit 10 and the second wiring 32 of FIG. 7 from the opposite side, FIG. 50 is an enlarged view of an arrow E part of FIG. 49, and FIG. FIG. 52 is a view of the holding member 81 of FIG. 51 as viewed from the opposite side.

  That is, the second wiring 32 and the antenna wire 33 by the coaxial cable passing through the hollow portion of the first rotating shaft 11 and further passing through the hollow portion of the second rotating shaft 12 are inserted into the holes of the resin-made holding member 81 in the frame 30. Hold it through the section. As shown in FIG. 53, the holding member 81 is positioned in the hole portion of the bracket 14 on the side surface of the frame 30 and is fitted to the bracket 14 by the upper claw portion 82.

  Thus, by attaching the holding member 81 of another piece to the bracket 14 on the side surface of the frame 30, the second wiring 32 and the antenna wire 33 can be easily routed by the coaxial cable that once passes through the frame 30. Furthermore, the routing style can always be kept constant, and the restriction plate 17 can be kept out of the way.

(Modification)
In the above embodiment, the cellular phone is used. However, the present invention is not limited to this, and the case is opened vertically and horizontally by a PDA, notebook computer, wearable computer, calculator, electronic dictionary, and the like. It can be used for all the devices that have been made free.
Further, the shape of the restricting member is arbitrary, and it is needless to say that other specific detailed structures can be appropriately changed.

DESCRIPTION OF SYMBOLS 1 1st housing | casing 2 2nd housing | casing 3 3rd housing | casing (box-shaped member)
4 Operation unit 5 Display unit 6 Antenna 7 Movie camera (electronic component)
8 Illumination unit 10 Two-axis hinge unit 11 First rotation shaft 12 Second rotation shaft 13 Third rotation shaft 14 Bracket 15 Bearing member 16 Projection portion 17 Restriction plate (regulation member)
18 pin 19 first cam 21 first mounting member 22 second mounting member 23 cushioning material 24 lock release button 25 lock claw 26 spring 27 cushioning material 29 second cam 30 frame 31 first wiring (coaxial cable)
32 Second wiring (coaxial cable)
33 Antenna line 34 Lower case 35 Upper case 41 Shutter key 42 Zoom key 43 Submenu key 44 Screen display switching key 45 A-MAT (voice zoom) ON / OFF key 46 Face pita ON / OFF key 47 Backlight correction key 48 White balance key 49 second shooting key 51 Bumper 52 Bumper 53 Microphone hole 54 Microphone hole 61 First cam 62 Second cam 63 First restriction plate (regulation member)
64 Second restriction plate (regulation member)
65 First fixing pin 66 Second fixing pin 67 Sliding support plate 71 Interface (electronic component)
72 Fingerprint sensor or touch sensor (electronic parts)
73 Incoming call lamp (electronic parts)
74 Sub monitor + touch panel (electronic parts)
75 Inner camera (electronic parts)
81 Holding member 82 Claw portion

Claims (7)

A first rotating shaft for rotating the first casing and the second casing relative to each other from the folded state and opening in the vertical direction;
A biaxial hinge structure comprising: a second rotating shaft that is relatively rotated from a state in which the first housing and the second housing are overlapped and folded to be opened laterally;
A plate-shaped member is disposed between the first rotating shaft and the second rotating shaft, abuts against a cam provided on one rotating shaft, and rotates by contact with the cam . A regulating member that is pushed by the one rotating shaft and engages with the other rotating shaft at a predetermined rotational position of the rotating shaft, and restricts the rotation of the other rotating shaft ;
A third rotating shaft disposed on the same axis as the first rotating shaft;
Bearing the third rotating shaft, and a bearing portion that obtains a click feeling at every predetermined angle of rotation of the third rotating shaft,
The other rotating shaft has a large diameter part having a notch in a part thereof at an end facing the regulating member, a small diameter part, and a step part which is a boundary between the large diameter part and the small diameter part. Have
The regulating member is
The rotation of the one rotation shaft is allowed by being disposed outside the small diameter portion and being partially accommodated in the notch,
Restricting the rotation of the other rotating shaft by abutting on the stepped portion, and abutting on the surface of the notch in a state where a part thereof is fitted in the notch,
Allowing rotation of the other rotating shaft when in a predetermined rotation posture separated from the other rotating shaft;
A biaxial hinge structure characterized by that. A box-like member to which the first rotation shaft and the second rotation shaft are attached;
The biaxial hinge structure according to claim 1, wherein an electronic component is housed in the box-shaped member. The biaxial hinge structure according to claim 2 , wherein the electronic component is a movie camera. The first rotating shaft and the second rotating shaft are hollow members through which a wire is inserted,
Inserting the wire into the hollow member of the first rotating shaft and the second rotating shaft;
The biaxial hinge structure according to any one of claims 1 to 3 , further comprising a holding member that holds the wire rod between the first rotating shaft and the second rotating shaft. 5. The biaxial hinge structure according to claim 4 , wherein the wire is a wiring for electrically connecting circuit boards provided in the first casing and the second casing, respectively.   The biaxial hinge structure according to any one of claims 1 to 5, wherein the first rotary shaft and the second rotary shaft are arranged via the restricting member. A portable device comprising the biaxial hinge structure according to any one of claims 1 to 6 .