JP3634278B2 - Biaxial hinge device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a biaxial hinge device used between a liquid crystal screen display section and a main body section of, for example, a laptop personal computer or a video camera.
[0002]
[Prior art and problems to be solved by the invention]
In the biaxial hinge device, the second member is revolved and rotated with respect to the first member so as to be able to rotate and rotate. For example, the screen display unit is provided to be rotatable with respect to the main body. On the other hand, when folding and superposing on the main body, it is desirable to regulate the rotational rotation position of the screen display unit at the time of folding.
[0003]
That is, when folding and storing, it is necessary to turn the screen display unit in the folding direction and then rotate and store it in the main body. However, unless it is set in the folding direction, it cannot be rotated to the main body. Thus, damage to the screen display portion, wiring damage, durability, and quality maintenance can be improved.
[0004]
In view of the above circumstances, an object of the present invention is to provide an epoch-making two-axis hinge device capable of revolving rotation only at a predetermined rotation rotation position with a simple configuration.
[0005]
That is, for example, when the second member that can rotate and rotate is positioned in a predetermined direction, it can revolve with respect to the first member, and the other members are locked so that they cannot rotate and rotate. The rotation is disabled and locked in the predetermined direction. Therefore, for example, it is convenient and durable because the direction of rotation and revolving is always maintained in the predetermined direction. An object of the present invention is to provide a revolutionary biaxial hinge device having improved advantages, improved quality, and various advantages.
[0006]
[Means for Solving the Problems]
The gist of the present invention will be described with reference to the accompanying drawings.
[0007]
A first support shaft 3 provided on the first member 1 is used as an axis, and a second support shaft 4 orthogonal to the first support shaft 3 is provided rotatably, and the second member 2 is provided on the second support shaft 4. The second member 2 is a biaxial hinge device that is rotatably provided about the second support shaft 4 and connects the first member 1 and the second member 2, and is provided on the first member 1. The second member 4 and the second member 4 together with the second member 4 are rotated at a predetermined angle with the second member 4 and the second member 4. 2 is rotatable, and at the position where the second member 2 is rotated together with the second support shaft 4 by a predetermined angle with the second support shaft 4 as an axis, the second support shaft 4 is used as the second support shaft 4 as an axis. A rotation locking mechanism K that cannot rotate the member 2 is provided on the first support shaft 3 and the second support shaft 4, and the second support shaft 4 on the first member 1 side is used as a boundary. Lever A pair of opposed tip portions 3A of the first support shaft 3 are arranged in a direction perpendicular to the two support shafts 4, and an engagement recess 5 is engaged with each of the opposed tip portions 3A of the first support shaft 3. Provided on the outer periphery of the second support shaft 4, the second member 2 is rotatably arranged with the second support shaft 4 about the second support shaft 4, and the first support shaft 3 is pivoted. A notch 6 that allows the second member 2 to rotate is provided in the axial direction of the outer surface of the second support shaft 4, and the rotation of the second member 2 is prevented about the first support shaft 3. The second member 2 is rotated by a predetermined angle together with the second support shaft 4 from the state where the second support shaft 4 is used as an axis, and the notch portion 6 is set to a predetermined position. The present invention relates to a biaxial hinge device characterized in that the rotation locking mechanism K is configured such that the second member 2 as a shaft can be rotated.
[0008]
Further, a rotating member 1A is rotatably fitted on a first support shaft 3 fixed to the first member 1, and a second support shaft 4 orthogonal to the first support shaft 3 is rotated on the rotating member 1A. The second member 2 is fixed to the second support shaft 4, and the second member 2 is connected to the first member 1 by connecting the first member 1 and the second member 2. With the support shaft 3 as an axis, the revolving member 1A and the second support shaft 4 are provided so as to be able to revolve and rotate, and with the second support shaft 4 as an axis, the second member 2 is rotated together with the second support shaft 4. A biaxial hinge device provided rotatably, wherein the first support shaft 3 is divided in the rotating member 1A, and the second support shaft 4 is arranged in the divided portion, and the divided An engaging recess 5 that engages with the opposing tip 3A of the first support shaft 3 is provided on the outer periphery of the second support shaft 4, and the axial direction of the outer surface of the second support shaft 4 A position in which a notch portion 6 is provided to allow the second member 2 to revolve around the first support shaft 3, and the second member 2 is rotated around the first support shaft 3 by a predetermined angle. Thus, the second member 2 can rotate and rotate about the second support shaft 4 and the second member 2 rotates and rotates about the second support shaft 4 by a predetermined angle. The present invention relates to a biaxial hinge device characterized in that a rotation locking mechanism K is provided in which the second member 2 cannot revolve around a single support shaft 3.
[0009]
Further, the opposed tip portion 3A of the first support shaft 3 is formed in a sharp flat shape, and this sharp flat-shaped opposed tip portion 3A is engaged so that the second support shaft 3 is used as an axis. Although the second member 2 is prevented from revolving together with the shaft 4, the engaging recess 5 that allows the second member 2 to rotate and rotate together with the second support shaft 4 is provided on the second support shaft 4. The second member 2 is allowed to revolve with the second support shaft 4 around the first support shaft 3 in the axial direction of the outer surface of the second support shaft 4 perpendicular to the engaging recess 5. The biaxial hinge device according to any one of claims 1 and 2, wherein the rotation locking mechanism K is configured by providing the cutout portion 6 to be provided.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention (how to carry out the invention) considered to be suitable will be briefly described with reference to the drawings, showing its effects.
[0011]
The second member 2 that can rotate and rotate around the second support shaft 4 is set to a predetermined rotation rotation position, so that the second member 2 revolves with respect to the first member 1 about the first support shaft 3. It will be able to rotate.
[0012]
If the second member 2 is not set to the predetermined rotation position, the second member 2 cannot be revolved with respect to the first member 1 with the first support shaft 3 as an axis.
[0013]
When the second member 2 is revolved and rotated with respect to the first member 1 around the first support shaft 3, the predetermined rotation rotation position is maintained, and the second member 2 is the second support shaft. 4 cannot rotate around the axis.
[0014]
That is, the first support shaft 3 and the second support shaft 4 are connected in an orthogonal state by the rotation locking mechanism K, and the engagement recess 5 provided on the outer periphery of the second support shaft 4 is connected to the first support shaft 3. When the opposing tip portions 3A engage with each other, the second support shaft 4 can rotate and rotate with respect to the first support shaft 3, but cannot rotate and rotate, and is orthogonal to the engagement recess 5. By providing a notch portion 6 serving as a relief portion that allows the revolving rotation of the second support shaft 4 in the axial direction of the outer surface of the second support shaft 4, depending on the position of the notch portion 6, the second support shaft The revolving rotation lock of 4 is released, and the second support shaft 4 is able to rotate and rotate with respect to the first support shaft 3.
[0015]
Therefore, by rotating the second support shaft 4 by the rotation of the second member 2 and setting the notch portion 6 to a predetermined position, the second member 2 that has been unable to rotate and revolve together with the second support shaft 4. The revolving rotation is possible about the single support shaft 3, and when the revolving rotation is performed, the engaging recess 5 and the opposed tip 3 </ b> A are not in the engaging position, and the second member 2 is the second supporting shaft 4. At the same time, rotation is impossible.
[0016]
Therefore, unless the second member 2 rotates to a predetermined direction, it cannot be revolved, and when it is revolved as a predetermined direction, it cannot rotate and the direction is maintained.
[0017]
【Example】
Specific embodiments of the present invention will be described with reference to the drawings.
[0018]
A rotation member 1A is rotatably fitted on a first support shaft 3 fixed to the first member 1, and a second support shaft 4 orthogonal to the first support shaft 3 is inserted into the rotation member 1A. The second member 2 is fixed to a second support shaft 4 protruding from the rotating member 1A.
[0019]
Therefore, by connecting the first member 1 and the second member 2 in this way, the second member 2 is rotated about the first support shaft 3 and the rotating member 1A and the second support shaft. The second member 2 is provided so as to be able to rotate and rotate together with the second support shaft 4 with the second support shaft 4 as an axis.
[0020]
Further, the first support shaft 3 is divided in the rotating member 1A, and a base portion of the second support shaft 4 is disposed in the divided portion, and each of the opposed first support shafts 3 is separated. Engagement recesses 5 with which the tip 3A engages are provided on the outer periphery of the base of the second support shaft 4, and the second support shaft 4 has an outer surface at two locations facing the opposing tip 3A in the axial direction. A notch portion 6 that is a concave step surface that allows the revolution rotation about the first support shaft 3 of the member 2 is provided.
[0021]
That is, the second member 2 can rotate and rotate about the second support shaft 4 at a position where the second member 2 rotates about the first support shaft 3 by a predetermined angle. At the position where the second member 2 is rotated by a predetermined angle about the two support shafts 4, the second member 2 cannot be revolved around the first support shaft 3. The mechanism K is provided at the connecting portion between the first support shaft 3 and the second support shaft 4.
[0022]
Specifically, the opposed tip portion 3A of the first support shaft 3 is formed in a sharp flat shape, and this sharp flat-shaped opposed tip portion 3A is engaged, whereby the second support shaft 3 is used as an axis. Although the second member 2 is prevented from revolving and rotating together with the shaft 4, the engaging recess 5 that allows the second member 2 to rotate and rotate together with the second support shaft 4 is provided on the outer periphery of the second support shaft 4. And a notch that allows the second member 2 to revolve with the second support shaft 4 about the first support shaft 3 in the axial direction of the outer surface of the second support shaft 4 perpendicular to the engaging recess 5. The portion 6 is provided to constitute the rotation locking mechanism K.
[0023]
That is, the left and right opposing tip portions 3A of the first support shaft 3 are cut flat from two directions, sharpened and sharpened with a tip flat edge in a direction perpendicular to the first support shaft 3 and the second support shaft 4. A notch engaging recess 5 is formed on the entire outer periphery of the second support shaft 4 so that the left and right opposing tip portions 3A engage with each other, as shown in FIGS. The opposing support tip 3 </ b> A of the first support shaft 3 engages with the engagement recess 5 provided on the outer periphery of the shaft 4, so that the second support shaft 4 can rotate and rotate with respect to the first support shaft 3. However, it is comprised so that revolution rotation is impossible.
[0024]
Then, a cut-out notch 6 is formed in a concave shape in the axial direction of the outer surface of the second support shaft 4 so as to be orthogonal to the engagement recess 5 with a length slightly larger than the tip flat edge width of the opposed tip 3A, As shown in FIGS. 3 and 4, a notch portion 6 is provided as an escape portion that allows the revolution of the second support shaft 4 in the axial direction of the outer surface of the second support shaft 4 so as to be orthogonal to the engagement recess 5. Thus, depending on the position of the notch portion 6, the revolving rotation lock of the second support shaft 4 is released, and the second support shaft 4 can be revolved and rotated with respect to the first support shaft 3. doing.
[0025]
As shown in FIGS. 5 and 6, when the second member 2 revolves around the first member 1 around the first support shaft 3, the predetermined rotation rotation position is maintained. The second member 2 is configured so as not to rotate and rotate about the second support shaft 4.
[0026]
Therefore, unless the second member 2 rotates to a predetermined direction, it is impossible to revolve, and when it is revolved as a predetermined direction, the rotation is impossible and the biaxial hinge device that maintains the direction is simple. It can be realized by the configuration.
[0027]
The present invention is not limited to this embodiment, and the specific configuration of each component can be designed as appropriate.
[0028]
【The invention's effect】
Since the present invention is configured as described above, it is an epoch-making biaxial hinge device that can revolve and rotate only at a predetermined rotation rotation position with a simple configuration.
[0029]
That is, for example, when the second member that can rotate and rotate is positioned in a predetermined direction, it can revolve with respect to the first member, and the other members are locked so that they cannot rotate and rotate. In this case, the rotation and rotation become impossible, and the rotation is locked in the predetermined direction. Therefore, for example, the usability is improved and the rotation direction is always held in the predetermined direction, which is convenient and durable. It becomes an epoch-making two-axis hinge apparatus which improves, improves quality, and has various advantages.
[0030]
In the invention according to claim 3, the biaxial hinge device can be realized more easily and is more practical.
[0031]
[Brief description of the drawings]
FIG. 1 is an explanatory perspective view showing a state in which a second member 2 of the present embodiment can rotate and cannot rotate.
FIG. 2 is an explanatory cross-sectional view showing a state in which the second member 2 of this embodiment can rotate and cannot rotate.
FIG. 3 is an explanatory perspective view showing a state in which the second member 2 of the present embodiment cannot rotate and can rotate.
FIG. 4 is an explanatory cross-sectional view showing a state in which the second member 2 of the present embodiment cannot rotate and can rotate.
FIG. 5 is a perspective view showing a state in which the second member 2 of the present embodiment cannot rotate and can rotate.
FIG. 6 is an explanatory cross-sectional view showing a state in which the second member 2 of the present embodiment cannot rotate and can rotate.
FIG. 7 is an exploded perspective view of the present embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 1st member 1A Rotating member 2 2nd member 3 1st spindle 3A Opposite front-end | tip part 4 2nd spindle 5 Engaging recessed part 6 Notch K Rotation locking mechanism

Claims (3)

A first support shaft provided on the first member is used as an axis, and a second support shaft orthogonal to the first support shaft is rotatably provided. A second member is provided on the second support shaft. A biaxial hinge device that is rotatably provided about a second support shaft and connects the first member and the second member, wherein the second support is provided on the first support shaft provided on the first member. At the position where the second member is rotated by a predetermined angle together with the support shaft, the second member can be rotated together with the second support shaft as an axis, and the second support shaft is used as an axis. At the position where the second member is rotated by a predetermined angle together with the second support shaft, a rotation locking mechanism that is in a state in which the second member cannot be rotated about the first support shaft is used as the first support shaft. And a pair of first support shafts in a direction perpendicular to the second support shaft, with the second support shaft on the first member side as a boundary. And an engaging recess that engages with each of the opposing tip portions of the first support shaft is provided on the outer periphery of the second support shaft, and the second member is used as the axis of the second support shaft. A notch portion is provided in the axial direction of the outer surface of the second support shaft so as to be rotatable together with the second support shaft, and allows the second member to rotate about the first support shaft. The second member is rotated by a predetermined angle with the second support shaft about the second support shaft from the state in which the rotation of the second member is prevented about the shaft, and the notch portion is set to a predetermined position. Thus, the rotation locking mechanism is configured so that the second member can be rotated about the first support shaft as an axis. A rotation member is rotatably fitted on a first support shaft fixed to the first member, and a second support shaft orthogonal to the first support shaft is provided on the rotation member so as to be rotatable. The second member is fixed to the two support shafts, and the first member and the second member are connected to each other, so that the second member is used as the axis of the first support shaft. A biaxial hinge device that is provided so as to be capable of revolving and rotating together with two support shafts, and wherein the second member is provided so as to be capable of rotating and rotating together with the second support shaft as an axis. The first support shaft is divided, the second support shaft is disposed in the divided portion, and an engagement recess that engages with the opposed tip of the divided first support shaft is the second support shaft. And a notch for allowing the revolving rotation of the second member about the first support shaft in the axial direction of the outer surface of the second support shaft. The second member can rotate and rotate about the second support shaft at the position where the second member rotates about the first support shaft by a predetermined angle. As a feature, a rotation locking mechanism is provided in which the second member cannot rotate and rotate about the first support shaft at a position where the second member rotates and rotates by a predetermined angle. Biaxial hinge device. The opposing tip portion of the first support shaft is formed in a sharp flat shape, and the second flat member is used together with the second support shaft with the first support shaft as an axis by engaging the sharp tip-like opposing tip portion. Is provided on the outer periphery of the second support shaft, which is perpendicular to the engagement recess and allows the second member to rotate and rotate together with the second support shaft. In the axial direction of the outer surface of the second support shaft, the rotation locking mechanism is configured by providing the notch portion that allows the second member to revolve with the second support shaft around the first support shaft. The biaxial hinge device according to any one of claims 1 and 2.

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