JP2002266839A - Double spindle hinge device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the durability or quality retention in a double spindle hinge device used between a body part such as video camera and a liquid crystal screen display part by regulating the automatic rotating position of the screen display part when folding and superposing it to the body part to avoid the damage of the screen display part or wiring. SOLUTION: A rotation locking mechanism K for making a second member 2 rotatable with a second support shaft 4 around the second support shaft 4 in the position where the second member 2 is rotated at a prescribed angle with the second support shaft 4 around a first support shaft 3 provided on a first member 1, and laying the second member in a non-rotatable state around the first support shaft 3 in the position where the second member 2 is rotated at a prescribed angle with the second support shaft 4 around the second support shaft 4 is provided between the first support shaft 3 and the second support shaft 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a biaxial hinge device used between a main body of, for example, a laptop personal computer or a video camera and a liquid crystal display.

[0002]

2. Description of the Related Art In a biaxial hinge device, a second member is revolvingly rotatable with respect to a first member so as to be rotatable. In the case where the screen display unit is provided so as to be rotatable and rotatable with respect to the main body, it is desirable to restrict the rotation position of the screen display unit at the time of folding.

[0003] That is, in the case of folding and storing, it is necessary to turn the screen display section back to the folding direction and then rotate and store it in the main body section. By doing so, damage to the screen display unit, damage to the wiring, durability and quality maintenance can be improved.

[0004] In view of such circumstances, an object of the present invention is to provide an epoch-making two-axis hinge device capable of revolving only at a predetermined rotation position with a simple configuration. I do.

[0005] That is, for example, only when the second member rotatable and rotatable is positioned in a predetermined direction, it can be revolved with respect to the first member. When moving, the rotation is disabled and locked in the predetermined direction. Therefore, for example, the usability is improved or the direction of the revolving rotation is always kept in the predetermined direction, which is convenient. It is an object of the present invention to provide a revolutionary biaxial hinge device having improved durability, improved quality, and various advantages.

[0006]

The gist of the present invention will be described with reference to the accompanying drawings.

A second support shaft 4 orthogonal to the first support shaft 3 is rotatably provided around the first support shaft 3 provided on the first member 1. 2. A biaxial hinge device for providing a second member 2 rotatably around a second support shaft 4 to connect the first member 1 and the second member 2 with each other. At a position where the second member 2 is rotated by a predetermined angle together with the second support shaft 4 around the first support shaft 3 provided at 1, the second support shaft 4 and the second support shaft 4 are used as axes. The second member 2 is rotatable, and the second support shaft 4
In a position where the second member 2 is rotated by a predetermined angle together with the second support shaft 4 around the axis, the rotation member is in a state where the second member 2 cannot be rotated around the first support shaft 3. A stop mechanism K is provided on the first support shaft 3 and the second support shaft 4, and the first member 1
A pair of opposed front end portions 3A of the first support shafts 3 are disposed in a direction orthogonal to the second support shaft 4 with the second support shaft 4 on the side of the first support shaft 4 as a boundary. An engagement concave portion 5 with which the opposed front end portion 3A engages is provided on the outer periphery of the second support shaft 4, and the second member 2 is provided around the second support shaft 4 as an axis.
A notch 6 is provided in the outer surface of the second support shaft 4 to allow the second member 2 to rotate about the first support shaft 3. The second member 2 is rotated about the second support shaft 4 by a predetermined angle about the second support shaft 4 from the state in which the rotation of the second member 2 is blocked about the shaft 3, and the notch is formed. The rotation locking mechanism K is configured such that the rotation of the second member 2 about the first support shaft 3 is enabled by setting the portion 6 at a predetermined position. The present invention relates to a hinge device.

[0008] A rotating member 1A is rotatably fitted on the first support shaft 3 fixed to the first member 1, and a second support shaft orthogonal to the first support shaft 3 is fitted on the rotating member 1A. The second member 2 is fixed to the second support shaft 4 by connecting the first member 1 and the second member 2 so that the second member 2 can rotate. The first support shaft 3 is used as an axis, and the rotation member 1A and the second support shaft 4 are provided so as to be revolvably rotatable together with the second support shaft 4. 2 is a biaxial hinge device which is provided so as to be able to rotate freely, wherein the first support shaft 3 is divided in the rotation member 1A, and the second support shaft 4 is disposed in the divided portion, An engagement recess 5 is provided on the outer periphery of the second support shaft 4 for engaging the opposing distal end portion 3A of the first support shaft 3. A notch 6 is provided in the axial direction of the surface to allow revolving rotation of the second member 2 about the first support shaft 3, and the second member 2 is set at a predetermined angle around the first support shaft 3. At the position of the revolution, the second member 2 becomes freely rotatable about the second support shaft 4 and the second member 2 is rotated about the second support shaft 4 by a predetermined angle. In this position, a rotation locking mechanism K is provided in which the second member 2 cannot rotate around the first support shaft 3. .

Further, the opposed distal end portion 3A of the first support shaft 3 is formed in a sharp flattened shape, and the sharp flattened opposed distal end portion 3A is formed.
Prevents the second member 2 from revolving around the first support shaft 3 together with the second support shaft 4, but the second member 2 and the second support shaft 4 Is provided on the outer periphery of the second support shaft 4, and the first support shaft 3 is perpendicular to the engagement recess 5 in the axial direction of the outer surface of the second support shaft 4. The second member 2 together with the second support shaft 4 as a shaft
Is provided with the notch 6 that allows the orbit to revolve,
The biaxial hinge device according to any one of claims 1 and 2, wherein the rotation locking mechanism (K) is configured.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention (how to implement the invention) will be briefly described with reference to the drawings, showing the operational effects thereof.

By setting the second member 2 which is rotatable about the second support shaft 4 at a predetermined rotation position, the first support shaft 3 is rotated.
Can rotate the second member 2 around the first member 1 with respect to the axis.

If the second member 2 is not set to the predetermined rotation position, the second member 2 cannot be rotated around the first member 1 about the first support shaft 3.

When the second member 2 revolves around the first member 1 about the first support shaft 3, the predetermined rotation position is maintained, and the second member 2 It cannot rotate around the two support shafts 4.

That is, the first support shaft 3 and the second support shaft 4 are connected orthogonally by the rotation locking mechanism K, and the first support shaft 3 and the second support shaft 4 The engagement of the opposing distal end portions 3A of the shaft 3 allows the second support shaft 4 to rotate and rotate freely with respect to the first support shaft 3, but cannot revolve and rotate. A notch 6 serving as a relief portion allowing the revolving rotation 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 second support shaft 4
The revolving lock of the second support shaft 4 is released depending on the position of the notch 6, and the second support shaft 4 can freely revolve and rotate with respect to the first support shaft 3.

Accordingly, the second support shaft 4 is rotated by the rotation of the second member 2 and the notch 6 is set at a predetermined position. 4, the revolving rotation about the first support shaft 3 is possible, and when revolving, the engaging recess 5 and the opposing distal end 3A are not in the engaging position, and the second member 2 The rotation with the support shaft 4 becomes impossible.

Therefore, unless the second member 2 is rotated to the predetermined direction, it cannot revolve. When the second member 2 is revolved as the predetermined direction, the second member 2 cannot rotate and the direction is maintained.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific embodiments of the present invention will be described with reference to the drawings.

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 provided in the rotating member 1A. Are rotatably connected to each other via a rotation locking mechanism K described later.
The second member 2 is fixed to a second support shaft 4 protruding from A.

Accordingly, by connecting the first member 1 and the second member 2 in this manner, the second member 2 is pivotally movable about the first support shaft 3 as the rotation member 1A and the second member 2. The second member 2 is provided rotatably and rotatable with the two support shafts 4, and the second member 2 is provided with the second support shaft 4 about the second support shaft 4.

Further, the first support shaft 3 is divided in the rotating member 1A, and the base of the second support shaft 4 is disposed in the divided portion, and the divided first support shaft 3 is provided. The engagement concave portion 5 with which each of the opposed distal end portions 3A engages with the second support shaft 4
At the base outer periphery of the second support shaft 4 and at two locations facing the opposite distal end portion 3A in the axial direction of the outer surface of the second support shaft 4, the revolving rotation of the second member 2 around the first support shaft 3 is allowed. A notch 6 is provided as a concave step surface.

That is, at the position where the second member 2 has revolved around the first support shaft 3 by a predetermined angle, the second support shaft 4
In the position where the second member 2 is rotatable about the second support shaft 4 and the second member 2 is rotated by a predetermined angle about the second support shaft 4, the first support shaft 3 is used as the shaft. A rotation locking mechanism K in which the second member 2 cannot rotate orbit.
Is provided at a connecting portion between the first support shaft 3 and the second support shaft 4.

More specifically, the opposed distal end 3A of the first support shaft 3 is formed in a sharp flattened shape, and the sharp flattened opposed distal end 3A is formed.
Prevents the second member 2 from revolving around the first support shaft 3 together with the second support shaft 4.
An engagement recess 5 that allows the second member 2 to rotate with the second support shaft 4 is provided on the outer periphery of the second support shaft 4. A notch 6 is provided in the axial direction that allows the second member 2 to revolve and rotate together with the second support shaft 4 around the first support shaft 3 to constitute the rotation locking mechanism K. .

That is, the left and right opposed distal end portions 3A of the first support shaft 3
Is flat-cut from two directions, sharpened and formed into a sharp flat shape having a tip flat edge in a direction orthogonal to the first support shaft 3 and the second support shaft 4. A notch engaging recess 5 to be engaged is formed on the entire outer periphery of the second support shaft 4, and as shown in FIGS. When the opposed distal end portions 3A of the one support shaft 3 are engaged with each other, the second support shaft 4 can rotate and rotate freely with respect to the first support shaft 3, but cannot revolve. .

Then, the notch 6 is formed so as to be concave in the axial direction of the outer surface of the second support shaft 4 so as to be slightly larger than the flat width of the front end of the opposing front end 3A so as to be orthogonal to the engagement recess 5. The engaging recess 5 is formed as shown in FIGS.
Is provided in the axial direction of the outer surface of the second support shaft 4 so as to be perpendicular to the second support shaft 4. The revolving rotation lock of the support shaft 4 is released, and the second support shaft 4 is configured to be able to revolve and rotate with respect to the first support shaft 3.

As shown in FIGS. 5 and 6, when the second member 2 revolves around the first support shaft 3 with respect to the first member 1, the predetermined rotation rotation position is set. Is held, and the second member 2 is configured not to be able to rotate around the second support shaft 4.

Therefore, unless the second member 2 is rotated to the predetermined direction, it cannot rotate, and when it is rotated as the predetermined direction, it cannot rotate and the direction is maintained. Can be realized with a simple configuration.

The present invention is not limited to the present embodiment, and the specific configuration of each component can be appropriately designed.

[0028]

Since the present invention is constructed as described above, it is an epoch-making two-axis hinge device which can revolve only at a predetermined rotation position with a simple structure.

That is, for example, only when the second member that is rotatable and rotatable is positioned in a predetermined direction, it can be revolved with respect to the first member. When moving, the rotation is disabled and locked in the predetermined direction, and therefore, for example, convenience is improved because the usability is improved or the direction of revolving rotation is always kept in the predetermined direction. An innovative biaxial hinge device having improved durability, improved quality, and various advantages.

According to the third aspect of the present invention, a two-axis hinge device which 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 is capable of rotating and rotating and not being able to revolve.

FIG. 2 is an explanatory cross-sectional view showing a state in which a second member 2 of the present embodiment is capable of rotating and rotating but not rotating.

FIG. 3 is an explanatory perspective view showing a state in which the second member 2 of the present embodiment cannot rotate and rotate and can revolve.

FIG. 4 is an explanatory cross-sectional view illustrating a state in which the second member 2 of the present embodiment cannot rotate and rotate and can revolve.

FIG. 5 is a perspective view showing a state in which the second member 2 of the present embodiment cannot rotate and rotate and can revolve.

FIG. 6 is an explanatory cross-sectional view showing a state in which the second member 2 of this embodiment cannot rotate and rotate and can revolve.

FIG. 7 is an exploded perspective view of the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 1st member 1A Rotating member 2 2nd member 3 1st support shaft 3A Opposing front-end part 4 2nd support shaft 5 Engaging recess 6 Notch K Rotation locking mechanism

Continued on the front page F-term (reference) 3J105 AA05 AB21 AC07 AC10 BA41 BB03 BB06 BB13 BC03 DA31 4E360 AA02 AB12 AB17 AB20 AB42 ED03 ED17 ED27 GA46 GB06 GB46

Claims (3)

[Claims] A first support shaft provided on the first member,
A second support shaft orthogonal to the first support shaft is rotatably provided, a second member is provided on the second support shaft, and the second member is rotatably provided around the second support shaft. A biaxial hinge device for connecting a first member and a second member, wherein the second member is rotated by a predetermined angle together with the second support shaft around a first support shaft provided on the first member. The second member is rotatable together with the second support shaft around the second support shaft, and the second member is rotated by a predetermined angle together with the second support shaft around the second support shaft. In this position, the first and second support shafts are provided with a rotation locking mechanism in which the second member cannot be rotated around the first support shaft, and the first member side A pair of the first support shafts is provided with opposing distal ends in a direction orthogonal to the second support shaft with respect to the second support shaft. An engaging recess with which a tip portion engages is provided on the outer periphery of the second support shaft, and the second member is rotatably disposed together with the second support shaft around the second support shaft. A notch that allows the rotation of the second member about one support shaft is provided in the axial direction of the outer surface of the second support shaft, and the rotation of the second member about the first support shaft is prevented. The second member is rotated about the second support shaft by a predetermined angle with the second support shaft at a predetermined angle from the state in which the cutout portion is set to a predetermined position, so that the second A biaxial hinge device, wherein the rotation locking mechanism is configured to enable rotation of a member. 2. A rotation member is rotatably fitted on a first support shaft fixed to a first member, and a second support shaft orthogonal to the first support shaft is rotatable on the rotation member. The second member is fixed to the second support shaft, and the first member and the second member are connected to each other, whereby the second member is pivoted around the first support shaft. A moving member, a biaxial hinge device that is provided so as to be able to revolve and rotate together with the second support shaft and the second member is rotatable and rotatable together with a second support shaft around the second support shaft, The first support shaft is divided in the rotating member, and the second support shaft is disposed in the division portion,
An engagement recess is provided on the outer periphery of the second support shaft for engagement with the divided distal end of the first support shaft, and the first support of the second member is provided in the axial direction of the outer surface of the second support shaft. A notch is provided to allow revolving rotation about an axis, and at a position where the second member revolves at a predetermined angle about the first support shaft, the second member about the second support shaft. In a position where the second member cannot rotate around the first support shaft at a position where the second member rotates by a predetermined angle about the second support shaft. A biaxial hinge device, comprising a rotation locking mechanism. 3. The opposed end portion of the first support shaft is formed in a sharp flattened shape, and the sharp flattened opposed end portion is engaged, whereby the second support shaft is formed around the first support shaft. In addition, the second concave member prevents the second member from revolving and rotating, but the engaging concave portion that allows the second member to rotate with the second support shaft is provided on the outer periphery of the second support shaft. The notch is provided in the axial direction of the outer surface of the second support shaft, which is orthogonal to the engagement recess, to allow the second member to revolve around the first support shaft and the second support shaft. The biaxial hinge device according to any one of claims 1 and 2, further comprising a stop mechanism.