JP4891982B2 - Biaxial hinge device and portable device - Google Patents

Description

  The present invention relates to a biaxial hinge device and a portable device such as a mobile phone using the biaxial hinge device.

In general, the biaxial hinge device includes a hinge body, a first hinge shaft provided at one end of the hinge body, and a second hinge shaft provided parallel to the first hinge shaft at the other end of the hinge body. have. When the transmitting case and the receiving case of the mobile phone are connected so as to be rotatable using such a biaxial hinge device, one end of the transmitting case is rotated to the hinge body via the first hinge shaft. The receiving case is connected to the hinge main body via the second hinge shaft so as to be rotatable. Thereby, a transmission case and a reception case are connected via a biaxial hinge device so that rotation is possible.
No. 7-15186 (3rd page, Fig. 1) JP 2002-118633 (5th page, FIG. 9)

  In the mobile phone using the biaxial hinge device, the transmitting case, the receiving case, and the hinge main body are merely pivotally connected via the first and second hinge shafts. When the case is rotated with respect to the transmission case, it cannot be determined whether the reception case rotates with respect to the hinge body or the hinge body rotates with respect to the transmission case. That is, the rotation order of the hinge body and the receiving case is not fixed. For this reason, every time the receiving case is opened and closed, the rotation order of the hinge main body and the receiving case changes, and there is a problem that the user feels uncomfortable.

In order to solve the above-described problem, a first aspect of the present invention includes a hinge main body, a first hinge provided on the hinge main body with an axis aligned with the first rotation axis, and an axis on the hinge main body. And a second hinge provided so as to coincide with a second rotation axis parallel to the first rotation axis, and the hinge body is centered on the first rotation axis by the first hinge on the first case. In a two-axis hinge device connected to a second case by the second hinge so as to be rotatable about the second rotation axis, wherein the first hinge is the hinge body. A first fixing member provided in a separate and separately rotatable manner , and a first rotation connected to the first fixing member so as to be rotatable between a first initial position and a first rotation position. Between the member and the first fixing member and the first rotating member, respectively. A first initial position side rotation preventing means for preventing the first rotating member from rotating from the first initial position to the first rotating position side with a force of a predetermined magnitude; A first rotation position side rotation preventing means for blocking rotation of the one rotation member from the first rotation position toward the first initial position side by a force of a predetermined magnitude; the first rotation position; From the first initial position side, a first initial position side stop means for stopping the first rotating member rotating from the side to the first initial position side at the first initial position with a predetermined amount of force. First rotation position side stop means for stopping the first rotation member rotating to the first rotation position side at the first rotation position with a predetermined magnitude of force; A rotating member is provided in the first case, which is a separate member, so as not to rotate about the first rotating axis, and the second hinge So as not to rotate in Nji body, and a second fixing member provided on the separate, second turnably connected between the second initial position and the second rotational position to the second fixing member The rotating member is provided between the second fixing member and the second rotating member, and the second rotating member rotates from the second initial position toward the second rotating position. And a second initial position side rotation blocking means for preventing the rotation of the second rotation member from the second rotation position to the second initial position side. A second rotation position side rotation blocking means for blocking by the force, and the second rotation member rotates about the second rotation axis in the second case which is a separate body. A rotation direction that is impossible and is directed from the first initial position side to the first rotation position side, and from the second initial position side to the second rotation position side. And the turning direction of the first initial position side rotation blocking means is set smaller than the rotation blocking force of the second initial position side rotation blocking means. The stopping force of the first rotation position side stop means is set larger than the rotation prevention force of the second initial position side rotation prevention means, and the rotation prevention force of the second rotation position side rotation prevention means is The rotation prevention force of the first rotation position side rotation prevention means is set larger than the rotation prevention force of the first rotation position side rotation prevention means, and the stop force of the first initial position side stop means is set larger than the rotation prevention force of the second rotation position side rotation prevention means. It is characterized by being.
In this case, the first hinge is disposed between the first fixing member and the first rotating member, and is unable to rotate with respect to the first fixing member and is movable in the first rotating axis direction. And a first urging means for urging the first movable member toward the first rotation member along the first rotation axis. Between the opposed surfaces of the rotating member and the first movable member, the first urging means that acts on the first movable member when the first rotating member is located at the first initial position. A first initial position side conversion means for converting the urging force into a rotation urging force for urging the first rotation member from the first rotation position side to the first initial position side; The biasing force of the first biasing means acting on the first movable member when the one pivoting member is located at the first pivot position is the first time. A first rotation position side converting means for converting the member into a rotation biasing force for rotating and biasing the member from the first initial position side to the first rotation position side; the first initial position side stop means; and the first 1 rotation position side stop means is provided, and the first initial position side rotation prevention means is constituted by the first initial position side conversion means and the first biasing means, and the first rotation position side The conversion means and the first biasing means constitute the first rotation position side rotation preventing means, and the first rotation member rotated and biased by the first initial position side conversion means is the first rotation member. The first rotating member stopped at the first initial position by the first initial position side stopping means and rotated and biased by the first rotating position side converting means is moved by the first rotating position side stopping means. The second hinge is stopped at the first rotation position, and the second fixing portion is And a second movable member disposed between the second movable member and connected to the second fixed member so as not to rotate and to be movable in the second rotational axis direction. A second urging means for urging the member toward the second rotating member along the second rotating axis, and between the opposing surfaces of the second rotating member and the second movable member. The second rotating member is applied with the urging force of the second urging means acting on the second movable member when the second rotating member is located at the second initial position, and the second rotating member is A second initial position side converting means for converting to a rotational biasing force for rotationally biasing from the second rotational position side to the second initial position side; and the second rotational member located at the second rotational position. The second urging means acting on the second movable member when the second rotating member is moved from the second initial position side to the second rotating position. A second rotation position side conversion means for converting into a rotation urging force for turning and urging toward the installation side, and the second initial position by the second initial position side conversion means and the second urging means. It is desirable that side rotation preventing means is configured, and the second rotation position side rotation preventing means is configured by the second rotation position side converting means and the second urging means.
According to a second aspect of the present invention, a hinge main body, a first hinge provided on the hinge main body with an axis line coinciding with the first rotation axis line, and an axis line on the hinge main body parallel to the first rotation axis line. And a second hinge provided so as to coincide with the second rotation axis, and the hinge body is connected to the first case by the first hinge so as to be rotatable about the first rotation axis. In the two-axis hinge device that is connected to the second case by the second hinge so as to be rotatable about the second rotation axis, the first hinge is not rotatable with respect to the hinge body and is separate. A first fixing member provided on the first fixing member, a first rotating member connected to the first fixing member so as to be rotatable between a first initial position and a first rotating position, and the first fixing member. The first rotating member is provided between the first rotating member and the first rotating member. The first initial position side rotation blocking means for blocking the rotation from the first initial position to the first rotation position side with a force of a predetermined magnitude, and the first rotation member are the first time. A first rotation position side rotation preventing means for blocking rotation from the movement position to the first initial position side with a force of a predetermined magnitude, and the first rotation member is separate from this. A second fixing member that is provided in the first case so as not to be rotatable about the first rotation axis, and the second hinge is provided in the hinge body so as not to rotate and is provided separately. A second rotating member coupled to the second fixing member so as to be rotatable between a second initial position and a second rotating position; and between the second fixing member and the second rotating member. And the second rotating member is prevented from rotating from the second initial position to the second rotating position side by a force of a predetermined magnitude. 2 Initial position side rotation blocking means, a second rotation position side that prevents the second rotation member from rotating from the second rotation position to the second initial position side with a predetermined amount of force. A rotation preventing means, a second initial position side that stops the second rotation member that rotates from the second rotation position side to the second initial position side at the second initial position with a predetermined amount of force. Stop means, and a second rotation position for stopping the second rotation member that rotates from the second initial position side to the second rotation position side at the second rotation position with a predetermined magnitude of force. Side stop means, and the second rotating member is provided in a non-rotatable manner around the second rotation axis in the second case which is separate from the second rotating member. The rotation direction toward the first rotation position side and the rotation direction from the second initial position side toward the second rotation position side are the same direction. The rotation prevention force of the first initial position side rotation prevention means is set larger than the rotation prevention force of the second initial position side rotation prevention means, and the second rotation position side stop means is stopped. The force is set larger than the rotation prevention force of the first initial position side rotation prevention means, and the rotation prevention force of the first rotation position side rotation prevention means is the second rotation position side rotation prevention means. The rotation prevention force of the first rotation position side rotation prevention means is set to be smaller than the stop force of the second initial position side stop means.
In this case, the first hinge is disposed between the first fixing member and the first rotating member, and is unable to rotate with respect to the first fixing member and is movable in the first rotating axis direction. And a first urging means for urging the first movable member toward the first rotation member along the first rotation axis. Between the opposed surfaces of the rotating member and the first movable member, the first urging means that acts on the first movable member when the first rotating member is located at the first initial position. A first initial position side conversion means for converting the urging force into a rotation urging force for urging the first rotation member from the first rotation position side to the first initial position side; The biasing force of the first biasing means acting on the first movable member when the one pivoting member is located at the first pivot position is the first time. First rotating position side converting means for converting the member into a rotating biasing force for rotating and biasing the member from the first initial position side to the first rotating position side is provided, and the first initial position side converting means is provided. And the first urging means constitute the first initial position side rotation preventing means, and the first rotation position side conversion means and the first urging means rotate the first rotation position side. Blocking means is configured, and the second hinge is disposed between the second fixing member and the second rotating member, cannot rotate with respect to the second fixing member, and is in the second rotating axis direction. A second movable member movably connected to the second movable member, and a second urging means for urging the second movable member toward the second rotational member along the second rotational axis. Between the opposing surfaces of the second rotating member and the second movable member, the second rotating member is located at the second initial position. When the second urging means acting on the second movable member is rotated to urge the second rotating member from the second rotating position side to the second initial position side. A second initial position side converting means for converting to a dynamic urging force; and a second urging means acting on the second movable member when the second rotating member is located at the second rotating position. Second rotation position side conversion means for converting the urging force into a rotation urging force that urges the second rotation member from the second initial position side to the second rotation position side; 2 initial position side stop means and the second rotation position side stop means are provided, and the second initial position side rotation prevention means is constituted by the second initial position side conversion means and the second biasing means. The second rotational position side rotation preventing means is constituted by the second rotational position side converting means and the second urging means. The second rotation member biased by the second initial position side conversion means is stopped at the second initial position by the second initial position side stop means, and the second rotation position side conversion is performed. It is desirable that the second rotation member that is urged to rotate by the means is stopped at the second rotation position by the second rotation position side stop means.
A third aspect of the present invention includes a first case, a second case, and the biaxial hinge device according to any one of claims 1 to 4, wherein the first case is the second case of the biaxial hinge device. The second case is non-rotatably connected to a first rotation member of one hinge, and the second case is non-rotatably connected to a second rotation member of a second hinge of the biaxial hinge device. .

  According to the first to third aspects of the present invention having the above-described configuration, the first case is non-rotatably attached to the first rotating member of the first hinge, and the second rotating member of the second hinge is attached to the second rotating member. By attaching the two cases in a non-rotatable manner, it is possible to obtain an effect that the first case and the second case can be rotated in a predetermined order.

DESCRIPTION OF THE PREFERRED EMBODIMENTS The best mode for carrying out the present invention will be described below with reference to FIGS.
1 to 3 show a first embodiment of a cellular phone 1 according to the present invention. The cellular phone 1 includes a transmission case (first case) 2 provided with various operation buttons 21 and a microphone (not shown), a liquid crystal display unit 31, a speaker (not shown), and the like. It has a case (second case) 3 and a hinge device 4 that rotatably connects one end portions of the transmission case 2 and the reception case 3.

  The transmission case 2 and the reception case 3 are separated from each other by the folding position shown in FIG. 1 and the intermediate position shown in FIG. 2 with a predetermined angle between the front faces 2a and 3a. It is possible to rotate between a call position (deployment position) shown in FIG. 3 separated by (in this embodiment, 160 °). However, in practice, by applying a force exceeding a predetermined magnitude between the transmitting case 2 and the receiving case 3, the front surfaces 2a and 3a are mutually connected in the direction from the talking position side to the folding position side. It can be further rotated beyond the folding position by a minute angle until it strikes, and in the direction from the folding position side to the call position side, one end portions of the transmitting case 2 and the receiving case 3 face each other. It can be further rotated beyond the call position by a minute angle. Note that the transmission case 2 and the reception case 3 can be rotated relative to each other, but for the sake of convenience, the position of the transmission case 2 is fixed and the reception case 3 rotates relative to the transmission case 2 in the following. It shall move.

  As shown in FIGS. 1 to 4, the transmission case 2 has a lower case half 2A and an upper case half 2B. Each of the lower case half 2A and the upper case half 2B has a rectangular parallelepiped shape with a small thickness, and the thickness direction is arranged in the vertical direction. A recess 2b extending in the short direction of the lower case half 2A is formed at one end in the longitudinal direction of the upper surface facing the upper case half 2B of the lower case half 2A (end on the receiving case 3 side). Yes. The recess 2b is formed in a semicircular cross section. Engagement recesses 2c are formed at respective locations adjacent to both end portions of the recess 2b on the upper surface of the lower case half 2A. The engaging recess 2c communicates with the longitudinal end of the recess 2b. At one end of the upper case half 2B, a notch 2d extending in the short direction of the upper case half 2B is formed. Engaging recesses 2e are formed at locations adjacent to both ends of the notch 2d on the lower surface of the upper case half 2B. The engaging recess 2e communicates with the notch 2d.

  The lower case half 2A and the upper case half 2B are fixed in a state where the upper surface of the former and the lower surface of the latter are abutted with each other. Thereby, the transmission case 2 is configured. As a result, as shown in FIGS. 6 to 9, an accommodation recess 2f composed of a recess 2b and a notch 2d is formed at one end of the transmitter case 2 (the end on the receiver case 3 side). An engagement hole 2g composed of the engagement recess 2c and the engagement recess 2e is formed. The engagement hole 2g extends from the both end surfaces of the housing recess 2f outward in the longitudinal direction.

  The receiving case 3 has an upper case half 3A located on the upper side when rotated to the folding position, and a lower case half 3B located on the lower side. Each of the upper case half 3A and the lower case half 3B has a rectangular parallelepiped shape with a small thickness, and when the receiving case 3 is located at the folding position, the thickness directions thereof are directed vertically. Is arranged. At one end in the longitudinal direction of the lower surface facing the lower case half 3B of the upper case half 3A (end on the transmission case 2 side), a recess 3b extending in the short direction of the upper case half 3A is formed. Has been. The recess 3b has a semicircular cross section. Engaging recesses 3c are formed at respective locations adjacent to both ends of the recess 3b on the upper surface of the upper case half 3A. The engaging recess 3c communicates with the end of the recess 3b in the longitudinal direction. At one end of the lower case half 3B, a notch 3d extending in the short direction of the upper case half 3B is formed. Engagement recesses 3e are formed at locations adjacent to both ends of the notch 2d on the upper surface of the lower case half 3B. The engaging recess 3e communicates with both ends of the notch 3d.

  The upper case half 3A and the lower case half 3B are fixed in a state in which the lower surface of the former and the upper surface of the latter are abutted with each other. Thereby, the reception case 3 is configured. As a result, as shown in FIGS. 6 to 9, an accommodation recess 3f composed of a recess 3b and a notch 3d is formed at one end of the reception case 3 (end on the transmission case 2 side). An engagement hole 3g including an engagement recess 3c and an engagement recess 3e is formed. The engagement hole 3g extends from the both end surfaces of the housing recess 3f toward the outside in the longitudinal direction.

  As shown in FIGS. 4 and 6, the hinge device 4 has a hinge body 5, a pair of lower hinges (first hinges) 6A and 6B, and a pair of upper hinges (second hinges) 7A and 7B. ing. The hinge body 5 has a rectangular parallelepiped shape with a small thickness, and is arranged with the longitudinal direction directed to the longitudinal direction of the housing recesses 2f and 3f. Both sides in the short direction of the hinge body 5 are formed in a semicircular cross section. One side portion of the hinge body 5 in the short direction is inserted into the housing recess 2f so as to be rotatable about the first rotation axis L1. The other side of the hinge body 5 in the short direction is inserted into the housing recess 3f so as to be rotatable about a second rotation axis L2 parallel to the first rotation axis L1.

  As shown in FIG.5 and FIG.6, the 1st, 2nd rotation axis L1, L2 is arrange | positioned so that it may each correspond to each axis of the recessed parts 2c and 3c. As a result, the first rotation axis L1 is located on the abutting surface of the upper and lower case halves 2A and 2B, and the second rotation axis L2 is located on the abutting surface of the upper and lower case halves 3A and 3B. ing. Further, the second rotation axis L2 is arranged to be shifted forward by a predetermined distance from the first rotation axis L1 in the direction from the other end side of the transmitting case 2 and the receiving case 3 to the one end side. That is, when the reception case 3 is rotated to the intermediate position shown in FIG. 8, the lines orthogonal to the first and second rotation axes L1 and L2 are in contact with the butted surfaces of the half bodies 3A and 3B of the reception case 3. It is shifted. The first and second rotation axes L1 and L2 may be arranged at the same position in the longitudinal direction of the cases 2 and 3, or may be shifted in the opposite direction to the case shown in FIG.

  First accommodation holes 5 a are respectively formed on both end surfaces in the longitudinal direction on one side of the hinge body 5. The first accommodation hole 5a is arranged with its axis line coincident with the first rotation axis L1. Second accommodation holes 5b are formed on both end surfaces in the longitudinal direction on the other side of the hinge body 5, respectively. The second accommodation hole 5b is arranged with its axis line coincided with the second rotation axis L2.

  One end of the lower hinge 6A is inserted into one of the two first accommodation holes 5a, 5a. The other end of the lower hinge 6A is inserted into the engagement hole 2g facing the first housing hole 5a. One end of the lower hinge 6B is inserted into the other of the two first accommodation holes 5a, 5a. The other end of the lower hinge 6B is inserted into the engagement hole 2g facing the other accommodation hole 5a. Accordingly, one side portion of the hinge body 5 in the short direction can be rotated to one end portion of the transmission case 2 via the pair of lower hinges 6A and 6B, which also rotates around the first rotation axis L1. It is linked movably.

  One end of the upper hinge 7A is inserted into one of the two second accommodation holes 5b, 5b. The other end of the upper hinge 7A is inserted into the engagement hole 3g facing the second housing hole 5b. One end of the upper hinge 7B is inserted into the other of the two second accommodation holes 5b, 5b. The other end of the upper hinge 7B is inserted into the engagement hole 3g facing the other accommodation hole 5b. As a result, the other side portion of the hinge body 5 in the short direction can be turned to one end portion of the receiving case 3 via the pair of upper hinges 7A and 7B, and it is also turned around the second turning axis L2. Connected as possible.

  One side of the hinge body 5 is pivotably connected to the transmission case 2 via the lower hinges 6A and 6B, and the other side of the hinge body 5 is pivotable via the upper hinges 7A and 7B. By being connected, the reception case 3 is rotatably connected to the transmission case 2 via the hinge device 4. As for either one of the pair of lower hinges 6A and 6B and one of the pair of upper hinges 7A and 7B, a simple shaft body is used, and one end or the other end of the hinge body 5 is connected to the transmitting case 2 and the receiving end. You may connect with case 3 so that rotation is possible via a shaft, respectively.

  Next, the lower hinges 6A and 6B and the upper hinges 7A and 7B will be described. The lower hinges 6A and 6B are configured symmetrically, and the upper hinges 7A and 7B are also configured symmetrically. In addition, the basic structure of the lower hinge 6A and the upper hinge 7A is the same except for a part of the structure. Therefore, the configuration of the lower hinge 6A will be described in detail first, and only the differences from the lower hinge 6A will be described for the upper hinge 7A. Further, the description of the lower hinge 6B and the upper hinge 7B is omitted.

  6 and 10 to 12, the lower hinge 6A includes a first fixed member 61, a first hinge shaft 62, a first rotating member 63, a first movable member 64, and a first coil spring (first coil). (Biasing means) 65.

  The first fixing member 61 has a cylindrical shape, and a bottom 61a is formed at one end thereof. A through hole 61b is formed at the center of the bottom 61a. The first hinge shaft 62 is rotatably inserted into the through hole 61b. A head 62 a is formed at one end of the first hinge shaft 62. When the head 62 a abuts against the bottom 61 a of the first fixing member 61, the first fixing member 61 is prevented from coming off from the other end side toward the one end side with respect to the first hinge shaft 62. A cylindrical first rotating member 63 is fitted on the outer periphery of the other end of the first hinge shaft 62 so as not to rotate. As a result, the first rotating member 63 is rotatably connected to the first fixing member 61 via the first hinge shaft 62. The first rotating member 63 prevents the first hinge shaft 62 from coming off in the direction from one end side to the other end side of the first hinge shaft 62 by caulking the other end portion of the first hinge shaft 62 as indicated by an imaginary line in FIG. Has been.

  A first movable member 64 is rotatable in an intermediate portion of the first hinge shaft 62 located between the first fixed member 61 and the first rotation member 63 and in the axial direction of the first hinge shaft 62. It is movably fitted. The first movable member 64 is connected to the first fixed member 61 so as not to rotate and to be movable in the axial direction of the first hinge shaft 62. A pair of spheres 66 and 66 are embedded in a surface of the first movable member 64 facing the first rotation member 62 in a state where a part of each of the spheres 66 and 66 protrudes toward the first rotation member 62. The pair of spheres 66 and 66 are disposed 180 degrees apart in the circumferential direction on the circumference centered on the axis of the first hinge shaft 62. Instead of the sphere 66, for example, a protruding portion having substantially the same shape as a portion protruding from the first movable member 64 of the sphere 66 may be formed integrally with the first movable member 64.

  A first coil spring 65 is provided between the bottom of the first fixed member 61 and the first movable member 64. The first coil spring 65 biases the first movable member 64 toward the first rotating member 63, thereby causing the pair of spheres 66 to face the first movable member 64 of the first rotating member 63. Is in press contact. As a result, the first rotating member 63 is biased in the direction from the one end side to the other end side of the first hinge shaft 62 and is abutted against the crimping portion provided at the other end portion of the first hinge shaft 62. ing. The first coil spring 65 abuts the bottom 61 a of the first fixing member 61 against the head 62 a of the first hinge shaft 62. As a result, the first fixed member 61, the first rotating member 63, the first movable member 64, and the first coil spring 65 are unitized via the first hinge shaft 62.

  The above-described configuration relating to the first hinge 6A is the same for the second hinge 7A. The second hinge 7A includes the first fixing member 61, the first hinge shaft 62, the first rotating member 63, and the first hinge 6A. As a member corresponding to each of the first movable member 64, the first coil spring 65, and the pair of spheres 66, 66, the second fixed member 71, the second hinge shaft 72, the second rotating member 73, the second movable member 74, the second A two-coil spring (second urging means) 75 and a pair of spheres 76 and 76 are provided.

  The first fixing member 61 of the first hinges 6A and 6B is fitted in the first accommodation hole 5a so as not to rotate. Accordingly, the first fixing member 61 rotates integrally with the hinge body 5. About half of the first rotating member 63 is fitted in the first receiving hole 5a so as to be rotatable, and the other half is fitted in the engaging hole 2g of the transmission case 2 so as not to be turned. Therefore, the transmission case 2 and the hinge body 5 are substantially pivotally connected via the first rotation member 63. In a state where the first fixing member 61 is fitted in the first accommodation hole 5a and the first rotation member 63 is fitted in the engagement hole 2g, the first hinge shaft 62 rotates the axis thereof for the first rotation. It is made to correspond with the axis line L1. Therefore, the transmission case 2 and the hinge body 5 are coupled so as to be rotatable about the first rotation axis L1. Further, in this embodiment, since the transmission case 2 is not rotated, the first rotation member 63 is not rotated, and the hinge body 5 is rotated with respect to the transmission case 2. When doing so, the first fixed member 61 and the first movable member 64 rotate with respect to the first rotating member 63.

  The second fixing member 71 of the second hinges 7A and 7B is fitted in the second accommodation hole 5b so as not to rotate. Further, approximately half of the second rotating member 73 is rotatably fitted in the second receiving hole 5b, and the other half is non-rotatably fitted in the engaging hole 3g of the transmission case 2. Yes. Therefore, the transmission case 2 and the hinge body 5 are substantially pivotally connected via the second rotation member 73. In a state where the second fixing member 71 is fitted in the second accommodation hole 5b and the second rotation member 73 is fitted in the engagement hole 3g, the second hinge shaft 72 rotates the axis thereof for the second rotation. It is made to correspond with the axis line L2. Therefore, the reception case 3 and the hinge body 5 are coupled so as to be rotatable about the second rotation axis L2. In this embodiment, even if the reception case 3 rotates about the second rotation axis L <b> 2 with respect to the hinge body 5, the hinge body 5 rotates second with respect to the reception case 3. There is no rotation about the axis L2. Therefore, when the receiving case 3 rotates, the second fixing member 71 is fixed to the case body 5 and the second rotating member 73 rotates with respect to the second fixing member 71.

When the receiving case 3 is rotated from the folding position shown in FIG. 1 to the talking position shown in FIG. 3 through the intermediate position shown in FIG. 2, the receiving case 3 is returned from the talking position to the folding position via the intermediate position. And the hinge body 5 rotate in a predetermined order. That is, when the receiving case 3 is rotated from the folding position to the intermediate position, the hinge body 5 is maintained in a stopped state at the position shown in FIG. The position of the hinge body 5 at this time is the first initial position. On the other hand, the reception case 3 is centered on the second rotation axis L2 with respect to the hinge body 5 from the second initial position shown in FIG. 7 to the second rotation position shown in FIG. ). Thereby, the reception case 3 rotates from the folding position to the intermediate position. Therefore, when the hinge body 5 is located at the first initial position, the folding position of the reception case 3 and the second initial position are the same position, and the intermediate position and the second rotation position are the same position. It has become. When the receiving case 3 is further rotated from the intermediate position toward the talking position, the receiving case 3 maintains a stopped state with respect to the hinge body 5, while the hinge body 5 is centered on the first rotation axis L1. It starts to turn from the first initial position toward the first turning position. As a result, the reception case 3 rotates from the intermediate position to the call position side. Then, when the hinge main body 5 rotates by a predetermined angle (60 ° in this embodiment) from the first initial position and reaches the first rotation position shown in FIG. 9, the hinge main body 5 stops. At this time, the reception case 3 has reached the call position.

  When the receiving case 3 is rotated from the talking position to the intermediate position, the receiving case 3 initially maintains a stopped state at the second rotating position with respect to the hinge main body 5, and the hinge main body 5 is in the first rotating axis L1. Is rotated from the first rotation position to the first initial position. As a result, the reception case 3 is rotated from the call position to the intermediate position. When the reception case 3 is rotated from the intermediate position to the folding position, the hinge body 5 maintains the stopped state at the first initial position, while the reception case 3 moves the second rotation axis L <b> 2 with respect to the hinge body 5. The center pivots from the second pivot position to the second initial position. Thereby, the reception case 3 rotates from the intermediate position to the folding position.

  In order to rotate the receiving case 3 and the hinge main body 5 in the above order, as shown in FIG. 14, the first engaging recess 63A is formed on the surface of the first rotating member 63 facing the first movable member 64. 63B and two pairs of second engaging recesses 73A and 73B are formed on the surface of the second rotating member 73 facing the second movable member 74. The two pairs of first engaging recesses 63A and 63B are arranged on the same circumference as the circumference where the pair of spheres 66 and 66 are arranged. One pair of first engaging recesses 63A and 63B and the other pair of first engaging recesses 63A and 63B are disposed symmetrically about the first rotation axis L1. That is, they are arranged 180 ° apart in the circumferential direction. The first engaging recesses 63A and 63B are disposed apart from each other by a predetermined angle (approximately 60 ° in this embodiment) in the circumferential direction. On the other hand, the two pairs of second engaging recesses 73A and 73B are arranged on the same circumference as the circumference where the pair of spheres 76 and 76 are arranged. One pair of second engagement recesses 73A and 73B and the other pair of second engagement recesses 73A and 73B are disposed symmetrically about the second rotation axis L2. That is, they are arranged 180 ° apart in the circumferential direction. The second engaging recesses 73A and 73B are arranged apart from each other by a predetermined angle (approximately 100 ° in this embodiment) in the circumferential direction.

  As shown in FIGS. 15 and 18, the first engaging recess 63 </ b> A has inclined surfaces 63 a and 63 b that form an upward gradient from the central portion toward both end edges in the circumferential direction around the first rotation axis L <b> 1. Have. As shown in FIG. 15, the inclined surfaces 63a and 63b are arranged so that the spheres 66 urged by the first coil springs 65 are pressed and contacted simultaneously when the hinge body 5 is located at the first initial position. Has been. Thereby, unless a force acts on the hinge body 5, the hinge body 5 is maintained at the first initial position.

  The inclined surface 63a of the first engaging recess 63A converts the urging force of the first coil spring 65 into a rotating urging force. This turning biasing force causes the hinge body 5 to turn from the first initial position to the first turning position, and as a result, the sphere 66 moves through the first fixed member 61 and the first movable member 64 in FIG. When moving in the direction of the arrow X (the circumferential direction centered on the first rotation axis L1), the movement is prevented, whereby the hinge body 5 rotates from the first initial position to the first rotation position. Acts as a rotation-preventing force that tries to prevent movement. Therefore, the spherical body 66 and the inclined surface 63a constitute the first initial position side converting means 8A, and the first initial position side converting means 8A and the first coil spring 65 constitute the first initial position side rotation preventing means 9A. Has been.

  The inclined surface 63b of the first engaging recess 63A converts the urging force of the first coil spring 65 into a rotating urging force. This rotation biasing force tends to rotate beyond the first initial position when the hinge body 5 rotates from the first rotation position side to the first initial position side about the first rotation axis L1. When this is done, the sphere 66 is prevented from moving in the direction of arrow Y in FIG. 15, thereby stopping the hinge body 5 in the first initial position. Accordingly, the first initial position side stopping means 10A is constituted by the first coil spring 65, the spherical body 66, and the inclined surface 63b.

  As shown in FIGS. 15 and 18, the engaging recess 63B has inclined surfaces 63c and 63d that form an upward gradient from the central portion toward both end edges in the circumferential direction around the first rotation axis L1. ing. As shown in FIG. 18, the inclined surfaces 63 c and 63 d are arranged so that the spherical body 66 urged by the first coil spring 65 is simultaneously pressed and contacted when the hinge body 5 is located at the first rotation position. Has been placed. Thereby, as long as force does not act on the hinge main body 5, the hinge main body 5 is maintained in the 1st rotation position.

  The inclined surface 63c of the first engaging recess 63B converts the urging force of the first coil spring 65 into a rotating urging force. This turning biasing force is caused to move when the hinge body 5 tries to turn from the first turning position to the first initial position, and as a result, the sphere 66 tries to move in the direction of the arrow Y in FIG. This prevents the hinge body 5 from rotating from the first rotation position to the first initial position, thereby acting as a rotation prevention force. Therefore, the spherical body 66 and the inclined surface 63c constitute the first rotation position side conversion means 8B, and the first rotation position side conversion means 8B and the first coil spring 65 constitute the first rotation position side rotation prevention means. 9B is configured.

  The inclined surface 63d of the first engaging recess 63B converts the urging force of the first coil spring 65 into a rotating urging force. This rotational biasing force is intended to rotate beyond the first rotational position when the hinge body 5 rotates from the first initial position side to the first rotational position side about the first rotational axis L1. , The sphere 66 is prevented from moving in the direction of the arrow X in FIG. 5, thereby stopping the hinge body 5 at the first rotation position. The first coil spring 65, the spherical body 66, and the inclined surface 63d constitute the first rotation position side stop means 10B.

  As shown in FIGS. 16 and 17, the second engaging recess 73A has inclined surfaces 73a and 73b that form an upward slope from the central portion toward both end edges in the circumferential direction around the second rotation axis L2. Have. As shown in FIG. 16, the inclined surfaces 73 a and 73 b are arranged so that the spheres 76 biased by the second coil springs 75 are pressed and contacted simultaneously when the receiving case 3 is located at the second initial position. Has been. Thereby, unless a force acts on the receiver 3, the receiver 3 is maintained at the second initial position.

  The inclined surface 73a of the second engaging recess 73 converts the urging force of the second coil spring 75 into a rotating urging force. The turning urging force causes the receiving case 3 to turn from the second initial position to the second turning position side about the second turning axis L2, and accordingly, the second turning member 73 in FIG. When trying to turn in the X direction, the second turning member is prevented from turning 73, thereby preventing the receiving case 3 from turning from the second initial position to the second turning position. It acts as a turning prevention force. Accordingly, the spherical body 76 and the inclined surface 73a constitute the second initial position side converting means 8C, and the second initial position side converting means 8C and the second coil spring 75 constitute the second initial position side rotation preventing means 9C. Has been.

  The inclined surface 73b of the second engaging recess 73A converts the urging force of the second coil spring 75 into a rotating urging force. The turning urging force is applied to the receiving case 3 when the receiving case 3 tries to turn beyond the second initial position when the receiving case 3 turns in the direction from the second turning position to the second initial position. With this rotation, the second rotation member 73 is prevented from rotating in the direction of arrow Y in FIG. 16, thereby stopping the reception case 3 at the second initial position. Accordingly, the second coil spring 75, the inclined surface 73b, and the spherical body 76 constitute the second initial position side stop means 10C.

  As shown in FIGS. 16 and 17, the second engaging recess 73 </ b> B has inclined surfaces 73 c and 73 d that form an upward gradient from the central portion toward both end edges in the circumferential direction around the second rotation axis L <b> 2. Have. As shown in FIG. 17, the inclined surfaces 73 c and 73 d are arranged so that the spherical body 76 urged by the second coil spring 75 is pressed and contacted at the same time when the receiving case 3 is located at the second rotation position. Has been placed. Thereby, unless a force acts on the receiver 3, the receiver 3 is maintained at the second rotation position.

  The inclined surface 73c of the second engagement recess 73B converts the urging force of the second coil spring 75 into a rotating urging force. The turning urging force causes the receiving case 3 to turn in the direction from the second turning position toward the second initial position with the second turning axis L2 as the center. When attempting to rotate in the direction of arrow Y in FIG. 17, the rotation is prevented, thereby preventing the reception case 3 from rotating from the second rotation position to the second initial position. Acts as a rotation prevention force. Therefore, the spherical body 76 and the inclined surface 73c constitute the second rotation position side conversion means 8D, and the second initial position side conversion means 8D and the second coil spring 75 constitute the second rotation position side rotation prevention means 9D. Is configured.

  The inclined surface 73d of the second engaging recess 73B converts the urging force of the second coil spring 75 into a rotating urging force. This turning biasing force is generated when the receiving case 3 is turned in the direction from the second initial position side toward the second turning position side when it tries to turn beyond the second turning position. Thus, the second rotation member 73 is prevented from rotating in the direction of the arrow X in FIG. 17, thereby preventing the receiving case 3 from rotating beyond the second rotation position and the second rotation position. To stop. Therefore, the second rotating position side stop means 10 </ b> D is configured by the second coil spring 75, the inclined surface 73 d and the sphere 76.

Next, in order to compare the rotation preventing force and the stopping force of each of the means 8A to 8D and 9A to 9D, it is assumed that the receiving case 3 is now in the folding position. That is, it is assumed that the hinge body 5 is located at the first initial position and the receiving case 3 is located at the second initial position. When the receiving case 3 is to be rotated from the folding position to the intermediate position side, the first initial position side rotation preventing means 9A rotates the hinge body 5 from the first initial position to the first rotation position side. The second initial position side rotation prevention means 9C tries to prevent the rotation of the reception case 3 from the second initial position to the second rotation position side. The inclination angle of the inclined surface 63a of the first engaging recess 63A constituting a part of the first initial position side rotation preventing means 9A is α1 (see FIG. 15), and one of the second initial position side rotation preventing means 9C. When the inclination angle of the inclined surface 73a of the second engaging recess 73A constituting the part is β1 (see FIG. 16),
α1> β1
Is set to Therefore, when comparing the rotation prevention force of the first initial position side rotation prevention means 9A and the rotation prevention force of the second initial position side rotation prevention means 9C, the former is larger than the latter. Therefore, when the reception case 3 located at the folding position is to be rotated to the intermediate position side, the hinge body 5 maintains the position at the first initial position, while the reception case 3 is at the second initial position side. It turns from the second initial position to the second turning position side against the turning biasing force of the turning prevention means 9C.

When the reception case 3 is positioned at the intermediate position, that is, when the hinge body 5 is positioned at the first initial position and the reception case 3 is positioned at the second rotation position, the reception case 3 is positioned at the intermediate position. The first initial position side rotation preventing means 9A tries to prevent the hinge body 5 from rotating from the first initial position to the first rotation position side when the second rotation position is turned to the talking position side. The stopping means 10D tries to prevent the receiving case 3 from turning beyond the second turning position. When the inclination angle of the inclined surface 73d of the second engaging recess 73B constituting a part of the second rotation position stopping means 10D is β2 (see FIG. 16),
α1 <β2
Is set to Therefore, when comparing the rotation prevention force of the first initial position side rotation prevention means 9A and the rotation prevention force of the second rotation position side stop means 10D, the latter is larger than the former. Therefore, when the reception case 3 located at the intermediate position is rotated to the call position side, the reception case 3 is prevented from rotating beyond the second rotation position with respect to the hinge body 5, and the second time. The state stopped at the moving position is maintained. On the other hand, the hinge body 5 rotates from the first initial position to the first rotation position side against the rotation blocking force of the first initial position side rotation blocking means 9A.

When the reception case 3 is located at the call position, the reception case 3 is located at the second rotation position with respect to the hinge body 5, and the hinge body 5 is located at the first rotation position. If the receiving case 3 is to be rotated from the talking position to the intermediate position in this state, the first rotation position side rotation blocking means 9B blocks the movement of the sphere 66 in the direction of arrow Y in FIG. An attempt is made to prevent the hinge body 5 from rotating from the first rotation position to the first initial position. At the same time, the second rotation position side blocking means 9D blocks the rotation of the second rotation member 73 in the direction of the arrow X in FIG. 17, and as a result, from the second rotation position of the receiving case 3 to the second initial position. Trying to prevent sideways rotation. Here, the inclination angle of the inclined surface 63c of the first engaging recess 63B constituting a part of the first rotation position side rotation preventing means 9B is α2 (see FIG. 15), and the second rotation position side rotation is performed. When the inclination angle of the inclined surface 73c of the second engaging recess 73B constituting a part of the blocking means 9D is β3 (see FIG. 16),
α2 <β3
Is set to Therefore, when the rotation prevention force of the first rotation position side blocking means 9b and the rotation prevention force of the second rotation position side rotation prevention means 9d are compared, the latter is larger than the former. Therefore, when the reception case 3 located at the call position is rotated to the intermediate position side, the reception case 3 maintains a stopped state at the second rotation position with respect to the hinge body 5, and the hinge body 5 is moved in the first time. It rotates from the moving position to the first initial position side.

When the reception case 3 is located at the intermediate position, the hinge body 5 is located at the first initial position, and the reception case 3 is located at the second rotation position with respect to the hinge body 5. In this state, if the reception case 3 is to be rotated from the intermediate position to the folding position side, the first initial position side stop means 10A prevents the movement of the sphere 66 in the arrow Y direction in FIG. An attempt is made to prevent the hinge body 5 from rotating beyond the first initial position. At the same time, the second rotation position side rotation blocking means 9D blocks the rotation of the second rotation member 73 in the arrow Y direction in FIG. Attempts to prevent rotation to the position side. Here, when the inclination angle of the inclined surface 63b of the first engaging recess 63A constituting a part of the first initial position side stop means 10A is α3 (see FIG. 15),
α3> β3
Is set to Therefore, when comparing the stopping force of the first initial position side stopping means 10A and the rotation stopping force of the second turning position side rotation preventing means 9D, the former is larger than the latter. Therefore, when the reception case 3 located at the intermediate position is rotated to the folding position side, the hinge body 5 remains stopped at the first initial position, while the reception case 3 is moved from the second rotation position to the second rotation position. 2 Turn to the initial position. The angle α3 is set to be the same as the angle β2.

Note that the inclination angle of the inclined surface 63d of the first engaging recess 63B that constitutes a part of the first rotation position side stop means 10B is α4 (see FIG. 15), and a part of the second initial position side stop means 10C. When the inclination angle of the inclined surface 73b of the second engaging recess 73A that constitutes is β4 (see FIG. 16),
α4 = β4 = α3 (= β2)
Is set to

  In the mobile phone 1 having the above configuration, it is assumed that the receiving case 3 is now in the folded position. In this state, as shown in FIG. 15, the sphere 66 contacts the inclined surfaces 63a and 63b of the first engaging recess 63A, and as shown in FIG. 16, the sphere 76 becomes the inclined surface of the second engaging recess 73A. 73a and 73b are in contact. When the reception case 3 is rotated toward the call position side, the hinge body 5 maintains the stopped state at the first initial position, and the reception case 3 is rotated by the second initial position side rotation urging means 9C. Against this, it rotates from the 2nd initial position to the 2nd rotation position side. When the reception case 3 is rotated by a predetermined angle (for example, 10 °) from the second initial position, the sphere 76 comes out of the second engagement recess 73A. Then, the spherical body 76 comes into contact with the surface of the second rotating member 73 facing the second movable member 74. This opposing surface is a plane orthogonal to the second rotation axis L2. Therefore, a frictional resistance corresponding to the biasing force of the coil spring 75 is generated between the facing surface and the sphere 76. Due to this frictional resistance, the receiving case 3 is in an arbitrary range within a predetermined range excluding a predetermined angle at both ends until the receiving case 3 comes out of the second engaging recess 73A and enters the second engaging recess 73B. Stopped at position.

  When the reception case 3 reaches a position in front of the intermediate position by a predetermined angle (for example, 10 °), the sphere 76 comes into contact with the inclined surface 73c of the second engagement recess 73B. Then, the receiving case 3 is automatically rotated to the intermediate position (second rotation position) by the urging force of the second rotation position side rotation prevention means 9D. When the reception case 3 reaches the intermediate position, the sphere 76 stops by hitting the inclined surface 73d, and the reception case 3 stops at the intermediate position. At this time, as shown in FIG. 15, the sphere 66 contacts the inclined surfaces 63a and 63b of the first engaging recess 63A, and as shown in FIG. 17, the sphere 76 becomes the inclined surface 73c of the second engaging recess 73B. , 73d.

  When the reception case 3 is rotated from the intermediate position to the call position side, the state where the reception case 3 is stopped at the second rotation position is maintained, and the hinge body 5 is connected to the first initial position side rotation prevention means 9A. It rotates from the first initial position to the first rotation position side against the urging force. When the hinge body 5 rotates by a predetermined angle from the first initial position, the sphere 66 escapes from the first engaging recess 63A and contacts the surface of the first rotating member 63 facing the first movable member 64. This opposing surface is a plane orthogonal to the first rotation axis L1. Therefore, a frictional resistance corresponding to the biasing force of the coil spring 65 is generated between the facing surface and the sphere 66. Due to this frictional resistance, the receiving case 3 is optional in a predetermined range excluding a predetermined angle at both ends of the range from when the receiving case 3 exits the first engaging recess 63A to the first engaging recess 63B. It is stopped at the position.

  When the receiving case 3 reaches a position that is a predetermined angle (for example, 10 °) from the call position, in other words, when the hinge body 5 reaches a position that is a predetermined angle from the first rotation position, the sphere 66 is moved to the first position. It comes in contact with the inclined surface 63c of the engaging recess 63B. Then, the hinge body 5 is automatically rotated to the first rotation position by the urging force of the first rotation position side rotation prevention means 9B. Along with this, the reception case 3 is rotated to the call position. When the reception case 3 reaches the call position, the sphere 66 stops by hitting the inclined surface 63d, and the reception case 3 stops at the call position. At this time, as shown in FIGS. 18 and 17, the sphere 66 contacts the inclined surfaces 63c and 63d of the first engaging recess 63B, and the sphere 76 contacts the inclined surfaces 73c and 73d of the second engaging recess 73b. ing.

  The receiving case 3 stopped at the call position may be further rotated against the urging force of the first rotation position side stop means 10B or the second rotation position side stop means 10D to exceed the call position. Although it is possible, when the reception case 3 rotates by a slight angle beyond the call position, one end of the reception case 3 immediately stops when it abuts against one end of the transmission case 2, and the rest is in the same direction. It becomes impossible to rotate. The position when the reception case 3 hits the transmission case 2 may be set as the call position. In that case, when the reception case 3 reaches the call position, the sphere 66 is configured to be positioned immediately before it hits the inclined surface 63d, and the reception case 3 is configured to prevent the rotation of the first rotation position side 9B. It is desirable to maintain a state of being in contact with the transmission case 2 by the urging force (a state of being located at the call position).

  When the receiving case 3 is rotated from the talking position to the intermediate position side, the receiving case 3 is maintained in the stopped state at the second rotating position, and the hinge body 5 is the first rotating position side rotation preventing means. It rotates from the first rotation position to the first initial position side against the urging force. When the hinge body 5 is rotated to a position in front of the first initial position by a predetermined angle (for example, 10 °), the spherical body 66 comes into contact with the inclined surface 73a of the first engagement recess 63A. As a result, the hinge body 5 is automatically rotated to the first initial position by the rotation biasing force of the first initial position side rotation preventing means 9A. The hinge body 5 that has reached the first initial position stops when the sphere 66 abuts against the inclined surface 63b of the first engaging recess 63A, and stops at the intermediate position. When the hinge body 5 rotates from the first rotation position to the first initial position and stops, the reception case 3 that rotates together with the hinge body 5 rotates from the talking position to the intermediate position and stops at the intermediate position. . In the predetermined range excluding both ends between the first rotation position and the first initial position, the hinge main body 5 is between the sphere 66 and the first rotation member 63 in the same manner as described above. The receiving case 3 can be stopped at an arbitrary position by the acting frictional resistance.

  When the reception case 3 is rotated from the intermediate position to the folding position side, the hinge body 5 is maintained in the stopped state at the first initial position, and the reception case 3 is in the second rotation position side rotation preventing means 9D. It rotates from the second rotation position to the second initial position side against the rotation urging force. When the reception case 3 reaches a position in front of the second initial position by a predetermined angle (for example, 10 °), the sphere 76 contacts the inclined surface 73a of the second engagement recess 73A. As a result, the reception case 3 is automatically rotated to the second initial position by the rotation biasing force of the second initial position side rotation preventing means 9C. When the reception case 3 rotates to the second initial position, the reception case 3 abuts against the inclined surface 73b of the first engagement recess 73A and stops. At this time, the reception case 3 has reached the folding position. Thereby, the mobile phone 1 returns to the original state.

  The reception case 3 stopped at the folding position is further rotated against the rotation biasing force of the first initial position side stopping means 10A or the first initial position side stopping means 10C to exceed the folding position. However, when the reception case 3 is rotated by a slight angle beyond the folding position, the reception case 3 stops immediately by directly contacting the front surface 2a of the transmission case 2 and beyond. Cannot rotate in the same direction. The position when the reception case 3 hits the transmission case 2 may be a folding position. In that case, when the reception case 3 reaches the folding position, the sphere 76 is configured to be positioned immediately before it strikes the inclined surface 73b, and the reception case 3 is configured to prevent the rotation of the reception case 3 from the second initial position side 9C. It is desirable to maintain a state of being in contact with the transmission case 2 by the urging force (a state of being located at the folding position).

  As described above, in the cellular phone 1, the transmitting case 2 and the receiving case 3 are rotatably connected using the biaxial hinge device 4, but the receiving case 3 and the hinge body 5 are rotated. The order can always be constant. Therefore, it is possible to prevent the user of the mobile phone 1 from feeling uncomfortable.

Next, a second embodiment of the present invention in which the rotation order of the receiving case 3 and the hinge body 5 is changed will be described.
In the second embodiment of the present invention, when the receiving case 3 rotates from the folding position to the talking position through the intermediate position, the hinge body 5 first rotates from the first initial position to the first rotation position. Then, after the receiving case 3 is rotated to the intermediate position, the receiving case 3 is rotated from the second initial position to the second rotating position, whereby the receiving case is rotated to the talking position. Note that the order of rotation of the reception case 3 and the hinge body 5 when the reception case 3 rotates from the call position to the folding position is the same as that in the first embodiment.

  In a state where the reception case 3 is stopped at the second initial position, the hinge body 5 is rotated from the first initial position to the first rotation position, and thereby the reception case 3 is rotated to the intermediate position. The inclination angle α1 of the inclined surface 63a of the first engaging recess 63A constituting a part of the first initial position side rotation preventing means 9A and the second relationship constituting a part of the second initial position side rotation preventing means 9C. Α1 <β1 is employed between each inclined surface β1 of the inclined surface 73a of the combined recess 73A. As a result, the rotation preventing force (rotation biasing force) of the second initial position side rotation preventing means 9C is larger than the rotation preventing force of the first initial position side rotation preventing means 9A. Therefore, when the reception case 3 rotates from the folding position to the intermediate position, the reception case 3 maintains a stopped state with respect to the hinge body 5, and the hinge body 5 moves from the first initial position to the first rotation position. Rotate until.

  When the reception case 3 is rotated from the intermediate position to the call position, the hinge body 5 is maintained in the stopped state at the first rotation position, and the reception case 3 is rotated from the second initial position to the second rotation position. To do. In order to enable such a rotation order, the inclination angle α4 of the inclined surface 63d of the first engaging recess 63B is set to be larger than the inclination angle β1 of the inclined surface 73a of the second engaging recess 73A. As a result, the rotation stopping force of the first rotation position side stop means 10B becomes larger than the rotation prevention force of the second initial position side rotation prevention means 9C. Therefore, when the reception case 3 rotates from the intermediate position to the call position, the hinge main body 5 maintains the stopped state, and the reception case 3 rotates.

  In the third embodiment of the present invention, in contrast to the second embodiment, when the reception case 3 rotates from the folding position to the call position, the reception case is the same as in the first embodiment. After 3 rotates from the second initial position to the second rotation position, the hinge body 5 rotates from the first initial position to the first rotation position. However, when the reception case 3 is rotated from the call position to the folding position, the hinge body 5 is moved to the first rotation position after the reception case 3 is rotated from the second rotation position to the first rotation position. To the first initial position.

  When the receiving case 3 is rotated from the talking position to the folding position, α2> β3 is first adopted in order to achieve the rotating order of the receiving case 3 and the hinge body 5. When such an angular relationship is employed, the rotation prevention force (rotation biasing force) of the first rotation position side rotation prevention means 9B is larger than the rotation prevention force of the second rotation position side rotation prevention means 9D. Become. Therefore, when the receiving case 3 rotates from the talking position to the intermediate position side, the hinge body 5 maintains the stopped state at the first rotating position, while the receiving case 3 moves from the second rotating position to the second initial position. Rotate to position.

  When the receiving case 3 rotates from the intermediate position to the folding position, α2 <β4 is employed in order to achieve the rotation order of the hinge body 5 and the receiving case 3. When such an angular relationship is employed, the rotation stopping force (rotation biasing force) of the second initial position side stop means 10C is the rotation prevention force (rotation biasing force) of the first rotation position side rotation prevention means 9B. ) Will be bigger. Therefore, when the reception case 3 rotates from the intermediate position to the folding position, the reception case 3 maintains the stopped state at the second initial position, while the hinge body 5 changes from the first rotation position to the first initial position. Rotate until. Thereby, the reception case 3 rotates from the intermediate position to the folding position.

In addition, this invention is not limited to said embodiment, In the range which does not deviate from the mind of this invention, it can change suitably.
For example, instead of the inclined surfaces 63b, 63d, 73b, and 73d constituting each part of the first to fourth stopping means 10A to 10D, the first and second rotation axes L1. It may be a vertical plane parallel to L2.
Further, the first and second fixing members 61 and 71 may be formed integrally with the hinge body 5. In that case, the 1st, 2nd movable members 64 and 74 are provided in the hinge main body 5 so that a movement is possible, and rotation is impossible.

It is a perspective view which shows 1st Embodiment of this invention in the state which rotated the receiving case to the folding position. It is a perspective view which shows the embodiment in the state which rotated the receiving case to the intermediate position. It is a perspective view which shows the embodiment in the state which rotated the receiving case to the call position. It is a disassembled perspective view which shows the embodiment. It is a side view which shows the embodiment in the state which rotated the receiving case to the folding position. It is an expanded sectional view which follows the XX line of FIG. It is an expanded sectional view which follows the XX line of FIG. It is sectional drawing similar to FIG. 7 which shows a state when a receiving case rotates to an intermediate position. It is sectional drawing similar to FIG. 7 which shows a state when a receiving case rotates to the call position. It is a side view showing the 1st hinge used in the embodiment. It is sectional drawing which follows the XX line of FIG. It is a disassembled perspective view of the 1st hinge. It is a figure which shows the 1st movable member of the 1st hinge, Comprising: FIG. 13 (A) is the perspective view, FIG.13 (B) is the bottom view, FIG.13 (C) is C- of FIG.13 (B). It is sectional drawing which follows a C line. The relationship between two pairs of first engaging recesses and a pair of spheres formed on one end surface of the first rotating member used in the first hinge of the embodiment, and the second hinge. FIG. 14A is a diagram showing the relationship between two pairs of second engaging recesses formed on one end surface of the second rotating member and a pair of spheres, and FIG. 14A shows that the receiving case is located at the folding position. FIG. 14B shows the relationship when the receiving case is located at the intermediate position, and FIG. 14C shows the relationship when the receiving case is located at the call position. Show. It is an expanded sectional view which follows the PP line of FIG. 14 (A). It is an expanded sectional view which follows the QQ line of FIG. It is an expanded sectional view which follows the RR line | wire of FIG. It is an expanded sectional view which follows the SS line of Drawing 14 (C).

Explanation of symbols

L1 1st rotation axis L2 2nd rotation axis 1 Mobile phone 2 Transmission case (first case)
3 Reception case (second case)
4 Biaxial hinge device 5 Hinge body 6A 1st hinge 6B 1st hinge 7A 2nd hinge 7B 2nd hinge 9A 1st initial position side rotation prevention means 9B 1st rotation position side rotation prevention means 9C 2nd initial position Side rotation prevention means 9D Second rotation position side rotation prevention means 10A First initial position side stop means 10B First rotation position side stop means 10C Second initial position side stop means 10D Second rotation position side stop means 61 1st fixed member 63 1st rotation member 64 1st movable member 65 1st coil spring (1st biasing means)
71 2nd fixed member 73 2nd rotation member 74 2nd movable member 75 2nd coil spring (2nd biasing means)

Claims (5)

A hinge body, a first hinge provided on the hinge body with an axis line coincident with the first rotation axis line, and an axis line on the hinge body line with a second rotation axis line parallel to the first rotation axis line. The hinge body is connected to the first case by the first hinge so as to be rotatable about the first rotation axis, and the second case is connected to the second hinge. In the two-axis hinge device connected to be rotatable about the second rotation axis,
The first hinge is pivotally disengaged from the hinge body and is provided separately, and the first fixing member is pivoted between a first initial position and a first pivot position. The first rotation member, the first rotation member, the first rotation member, and the first rotation member are provided between the first rotation member and the first rotation member, respectively. A first initial position side rotation preventing means for preventing the rotation to the position side by a force of a predetermined magnitude, and the first rotation member is rotated from the first rotation position to the first initial position side. A first rotation position side rotation blocking means for blocking the rotation with a force of a predetermined magnitude, and the first rotation member rotating from the first rotation position side to the first initial position side. 1st initial position side stop means for stopping at a predetermined initial position with a force of a predetermined magnitude, and rotating from the first initial position side to the first rotating position side And a first rotation position-side stop means for stopping the first rotation member at the first rotation position with a predetermined amount of force, and the first rotation member is a separate member. The first case is provided so as not to rotate about the first rotation axis,
The second hinge is pivotally movable between the hinge main body and a separate fixing member, and the second fixing member rotates between a second initial position and a second rotation position. The second rotating member, the second rotating member, the second rotating member, and the second rotating member are connected to each other, and the second rotating member is moved from the second initial position to the second rotating member. A second initial position side rotation preventing means for preventing the rotation to the position side by a force of a predetermined magnitude, and the second rotation member is rotated from the second rotation position to the second initial position side. Second rotation position side rotation blocking means for blocking movement with a force of a predetermined magnitude, and the second rotation member is separate from the second rotation member. It is provided so that it cannot rotate around the axis of movement,
The rotation direction from the first initial position side to the first rotation position side and the rotation direction from the second initial position side to the second rotation position side are set in the same direction,
The rotation prevention force of the first initial position side rotation prevention means is set smaller than the rotation prevention force of the second initial position side rotation prevention means;
The stopping force of the first rotation position side stop means is set larger than the rotation prevention force of the second initial position side rotation prevention means,
The rotation prevention force of the second rotation position side rotation prevention means is set larger than the rotation prevention force of the first rotation position side rotation prevention means;
2. The biaxial hinge device according to claim 1, wherein a stopping force of the first initial position side stopping means is set to be larger than a turning prevention force of the second turning position side turning preventing means. The first hinge is disposed between the first fixing member and the first rotating member, and is connected to the first fixing member so as not to rotate and to be movable in the first rotating axis direction. And a first urging means for urging the first movable member toward the first rotation member along the first rotation axis.
Between the opposing surfaces of the first rotating member and the first movable member, the first acting on the first movable member when the first rotating member is located at the first initial position. First initial position side conversion means for converting the urging force of the urging means into a rotation urging force that urges the first rotation member from the first rotation position side to the first initial position side; The biasing force of the first biasing means acting on the first movable member when the first pivoting member is located at the first pivoting position, the first pivoting member being the first pivoting member. First rotation position side conversion means for converting to a rotation biasing force that biases rotation from the initial position side to the first rotation position side, the first initial position side stop means, and the first rotation position side Stop means are provided,
The first initial position side converting means and the first urging means constitute the first initial position side rotation preventing means, and the first rotating position side converting means and the first urging means are the above. First rotation position side rotation blocking means is configured, and the first rotation member biased by the first initial position side conversion means is moved to the first initial position by the first initial position side stop means. The first rotation member that is stopped by the first rotation position side conversion means is stopped at the first rotation position by the first rotation position side stop means,
The second hinge is disposed between the second fixing member and the second rotating member, and is coupled to the second fixing member so as not to rotate and to move in the second rotating axis direction. A second movable member, and a second urging means for urging the second movable member toward the second rotating member along the second rotating axis,
Between the opposing surfaces of the second rotating member and the second movable member, the second acting on the second movable member when the second rotating member is located at the second initial position. Second initial position side conversion means for converting the urging force of the urging means into a rotation urging force for urging the second rotation member from the second rotation position side to the second initial position side; When the second rotating member is located at the second rotating position, the second rotating member is applied to the second moving member by applying the urging force of the second urging means acting on the second movable member. A second rotation position side conversion means for converting into a rotation biasing force that biases rotation from the initial position side to the second rotation position side;
The second initial position side converting means and the second urging means constitute the second initial position side rotation preventing means, and the second rotating position side converting means and the second urging means are the above. The biaxial hinge device according to claim 1, wherein second rotation position side rotation blocking means is configured. A hinge body, a first hinge provided on the hinge body with an axis line coincident with the first rotation axis line, and an axis line on the hinge body line with a second rotation axis line parallel to the first rotation axis line. The hinge body is connected to the first case by the first hinge so as to be rotatable about the first rotation axis, and the second case is connected to the second hinge. In the two-axis hinge device connected to be rotatable about the second rotation axis,
The first hinge is pivotally disengaged from the hinge body and is provided separately, and the first fixing member is pivoted between a first initial position and a first pivot position. The first rotation member, the first rotation member, the first rotation member, and the first rotation member are provided between the first rotation member and the first rotation member, respectively. A first initial position side rotation preventing means for preventing the rotation to the position side with a force of a predetermined magnitude, and the first rotation member is rotated from the first rotation position to the first initial position side. First rotation position side rotation blocking means for blocking movement with a force of a predetermined magnitude, and the first rotation member is separate from the first rotation member. It is provided so that it cannot rotate around the axis of movement,
The second hinge is pivotally movable between the hinge main body and a separate fixing member, and the second fixing member rotates between a second initial position and a second rotation position. The second rotating member, the second rotating member, the second rotating member, and the second rotating member are connected to each other, and the second rotating member is moved from the second initial position to the second rotating member. A second initial position side rotation preventing means for preventing the rotation to the position side by a force of a predetermined magnitude, and the second rotation member is rotated from the second rotation position to the second initial position side. Second rotation position side rotation blocking means for blocking the rotation with a force of a predetermined magnitude, and the second rotation member rotating from the second rotation position side to the second initial position side. (2) a second initial position side stop means for stopping at a predetermined magnitude at the initial position, and rotating from the second initial position side to the second rotating position side And a second rotation position-side stop means for stopping the second rotation member at the second rotation position with a predetermined amount of force, and the second rotation member is separate from the second rotation position. The second case is provided so as not to rotate about the second rotation axis,
The rotation direction from the first initial position side to the first rotation position side and the rotation direction from the second initial position side to the second rotation position side are set in the same direction,
The rotation prevention force of the first initial position side rotation prevention means is set larger than the rotation prevention force of the second initial position side rotation prevention means;
The stopping force of the second rotation position side stop means is set larger than the rotation prevention force of the first initial position side rotation prevention means,
The rotation prevention force of the first rotation position side rotation prevention means is set larger than the rotation prevention force of the second rotation position side rotation prevention means;
The biaxial hinge device, wherein the rotation preventing force of the first rotation position side rotation preventing means is set smaller than the stopping force of the second initial position side stopping means. The first hinge is disposed between the first fixing member and the first rotating member, and is connected to the first fixing member so as not to rotate and to be movable in the first rotating axis direction. And a first urging means for urging the first movable member toward the first rotation member along the first rotation axis.
Between the opposing surfaces of the first rotating member and the first movable member, the first acting on the first movable member when the first rotating member is located at the first initial position. First initial position side conversion means for converting the urging force of the urging means into a rotation urging force that urges the first rotation member from the first rotation position side to the first initial position side; The biasing force of the first biasing means acting on the first movable member when the first pivoting member is located at the first pivoting position, the first pivoting member being the first pivoting member. A first rotation position side conversion means for converting into a rotation biasing force that biases rotation from the initial position side to the first rotation position side;
The first initial position side converting means and the first urging means constitute the first initial position side rotation preventing means, and the first rotating position side converting means and the first urging means are the above. First rotation position side rotation prevention means is configured,
The second hinge is disposed between the second fixing member and the second rotating member, and is coupled to the second fixing member so as not to rotate and to move in the second rotating axis direction. A second movable member, and a second urging means for urging the second movable member toward the second rotating member along the second rotating axis,
Between the opposing surfaces of the second rotating member and the second movable member, the second acting on the second movable member when the second rotating member is located at the second initial position. Second initial position side conversion means for converting the urging force of the urging means into a rotation urging force for urging the second rotation member from the second rotation position side to the second initial position side; When the second rotating member is located at the second rotating position, the second rotating member is applied to the second moving member by applying the urging force of the second urging means acting on the second movable member. Second rotation position side conversion means for converting to a rotation biasing force for turning biasing from the initial position side to the second rotation position side, the second initial position side stop means, and the second rotation position side Stop means are provided,
The second initial position side converting means and the second urging means constitute the second initial position side rotation preventing means, and the second rotating position side converting means and the second urging means are the above. The second rotation position side rotation blocking means is configured, and the second rotation member biased by the second initial position side conversion means is moved to the second initial position by the second initial position side stop means. The second rotation member that is stopped by the second rotation position side conversion means and stopped by the second rotation position side stop means is stopped at the second rotation position by the second rotation position side stop means. The biaxial hinge device according to claim 3, wherein A biaxial hinge device according to any one of claims 1 to 4, wherein the first case serves as a first rotating member of the first hinge of the biaxial hinge device. A portable device that is non-rotatably connected and wherein the second case is non-rotatably connected to a second rotation member of a second hinge of the biaxial hinge device.

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