JP3008565U - Inclined support bracket for keyboard - Google Patents

Abstract

(57) [Summary] [Purpose] In an independent keyboard used for personal computers, etc.
(EN) Provided is an inclined support metal fitting for a keyboard, which is mounted on a keyboard to be used by placing the keyboard upright at an angle close to an upright position and enabling a minimum occupied area on a desk and a minimum key input operation. [Structure] A U-shaped stand rod composed of a pair of holders 1 and 2 fitted to the left and right side surfaces of a keyboard, supporting shafts 3A and 3B corresponding to them, and a connecting shaft 3C connecting the supporting shafts 3A and 3B. 3 is provided. The support shafts 3A and 3B of the stand rod 3 are pivotally mounted on the holders 1 and 2 so as to be rotatable. Further, the rotation of the stand rod 3 about the axis is changed by the support shafts 3A, 3B at a constant inclination angle.
A stopper 4 is provided on the holders 1 and 2 for holding and releasing the holders on the holders 1 and 2.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an inclined support metal fitting for a keyboard, which is attached to a keyboard provided independently of the main body of a personal computer, a word processor, or the like, and which allows the keyboard to stand upright at an inclination angle close to an upright position.

[0002]

[Prior art]

 Conventionally, a general keyboard is equipped with a support metal fitting for tilting the key operation surface, which is designed from the viewpoint of operability, only for changing the tilt angle. I was tilting and doing input operation. On the other hand, in the case of a structure designed from the viewpoint of space saving, the main body of a PC or word processor is connected to the keyboard with a hinge, and when not in use, the main body and the keyboard are closed with the hinge part to integrate them to save space. In some cases, the keyboard is separated from the main body so that the key operation surface is exposed so that the book can be opened when it is used.In addition, the side of the keyboard on the side opposite to the user is made thicker and the side is bottomed. There was also a thing to make it upright.

[0003]

[Problems to be solved by the device]

 The conventional keyboard, which is independent of the main unit, has a relatively large occupied area, so if the desk on which the computer is placed is used for purposes other than work using a computer, the keyboard may become an obstacle or use the computer. Even when the keyboard is not used frequently, for example, when mainly watching the monitor screen of a personal computer or using a mouse to input data, an empty space is required near the monitor screen on the desk. There were many things to do. However, if that space could not be secured, the keyboard was temporarily moved to another free space, or it was done in a time away from the monitor screen, etc. Was sacrificed. Looking at the conventional technology from these backgrounds, the keyboard equipped with the support metal for changing the inclination angle is provided solely from the viewpoint of key operability, and does not have a function of saving space and is not used again. With a keyboard that is erected on the side of the person on the bottom, it is usually impossible to press a key in the erected state to perform an input operation because the bottom side of the keyboard is usually erected on the side of the user.

The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to attach a key to a keyboard to reduce the area occupied by the keyboard. An object of the present invention is to provide an inclined support metal fitting for a keyboard that allows the keyboard to be placed upright near an upright state with the operation surface facing the user side, that is, to be placed upright at an upright inclination angle for the purpose of saving space. Is.

[0005]

[Means for Solving the Problems]

 In order to achieve the above object, the keyboard tilt support metal fittings according to the present invention are fitted and mounted on the left and right side surfaces of the keyboard, and the keyboard is erected at an upright tilt angle with the key operation surface facing the user side. Is supported on the desk behind it. First, a pair of cap-shaped holders 1 and 2 that fit on the left and right sides of the keyboard and are fixed on the keyboard, and left and right as metal fittings that support the keyboard on the back desk via the holders 1 and 2. A pair of support shafts 3A and 3B corresponding to the holders 1 and 2 and a connecting rod 3C that connects the support shafts 3A and 3B at both ends are provided in a substantially U-shaped stand rod 3. In addition, regarding the positional relationship when the holders 1 and 2 are mounted on the keyboard, the cross section of the central portion of the keyboard parallel to the left and right side surfaces of the keyboard, that is, the holders 1 and 2 at positions symmetrical to the central cross section. The point is the fulcrum of rotation. Then, a bearing or the like is provided on the rotary shaft fulcrum, and the support shafts 3A and 3B are axially mounted on the bearing so that the straight line connecting both rotary shaft fulcrums on the holders 1 and 2 is parallel to the connecting shaft 3B. To do. On the other hand, a part of the support shafts 3A and 3B of the stand rod 3 is mechanically held on the holders 1 and 2 to suppress the rotation around the rotary shaft fulcrum and to release the held position. A stopper 4 having a mechanism for performing is provided on the holders 1 and 2.

[0006]

[Action]

 This inclined support metal fitting for keyboard is used by fitting and mounting the holders 1 and 2 which make a pair on the left and right side surfaces of the keyboard. The stand rod 3 having the support shafts 3A and 3B mounted on the holders 1 and 2 pivots about a rotary shaft fulcrum. When the inclined support metal fitting is not used, the stopper 4 is released, and the connecting shaft 3C of the stand rod 3 is brought into contact with the keyboard on the desk on the side opposite to the user in a free state. If you want to stand the keyboard upright, do the following. First, by grasping both sides of the keyboard with holders 1 and 2 with both hands, and lifting and tilting the non-user side of the keyboard, the stand rod 3 normally weighs with the connecting shaft 3C left on the desk. Rotate around the axis. When the keyboard is further tilted and the support shafts 3A and 3B are held on the holders 1 and 2 by operating the stopper 4 at the time when the upright tilt angle is reached, the rotation around the rotation shaft fulcrum is blocked and the stand stands. The rod 3 is held on holders 1 and 2. This is the same configuration as when standing a stepladder, the stand rod 3 supports the tilted holders 1 and 2 on the back desk, and the keyboard stands upright with the upright tilt angle with the key operation surface facing the user. Keep To return the keyboard to the original tilt angle, release the stopper 4 so that the stand rod 3 can rotate around the rotation axis fulcrum, and put it on the desk while supporting the keyboard with both hands to return to the original state. .

[0007]

【Example】

 Examples will be described with reference to the drawings. Example 1 Example 1 will be described with reference to FIGS. 1 and 2. The holders 1 and 2 for mounting on the keyboard A have a shallow cap shape that is fitted and mounted on the keyboard A, and the length of the holders 1 and 2 on the back surface of the keyboard A is the same. The bearing portion 5 is provided in the substantially central portion of the side. In addition, the stand rod 3 is made of a round steel wire, and the connecting shafts 3C and the supporting shafts 3A and 3B that intersect at right angles at both ends thereof and extend in parallel and linearly are provided with female screws in both directions provided for connecting at the intersecting portions. It has a connecting screw 3D. The distance between the bearing portions 5 of the holders 1 and 2 mounted on the keyboard A is adjusted by the screw portion of the connecting screw 3D and the connecting shaft 3C. On the other hand, the support shafts 3A, 3B are fitted into the through holes of the T-shaped joint 6 having the through hole and the rotary shaft, and the rotary shaft is inserted into the bearing portion 5 so that the support shafts 3A, 3B are held in the holders 1, 2 and 3. Pivot on top. Further, the support shafts 3A, 3B penetrating the T-shaped joint 6 are projected for a certain length and the tip is bent, and the tip is required to be inserted in the arc-shaped locus drawn on the holders 1 and 2 at the tip. Provided on the holders 1 and 2 are circular arc grooves capable of rotating at various angles. A stopper groove for accommodating and mounting the stopper 4 is provided at one end of the circular arc groove where the tip portion is located when the keyboard A is upright. The stopper 4 is a clip made of a spring material having a portion for introducing the tips of the support shafts 3A and 3B and a portion for retaining the fitted tips, and the stopper groove includes the stopper 4 mounted therein. It has a size that allows the holding operation, and at its abutting portion, a protrusion provided at the end of the holding portion of the stopper 4 is fitted in order to hold the stopper 4 in the stopper groove by its spring force. A mounting groove is provided.

Second Embodiment A second embodiment will be described with reference to FIGS. 3 and 4. The second embodiment describes a variation of the stopper 4 and the stand rod 3 of the first embodiment. The stand rod 3 has a connecting shaft 3C sandwiched between L-shaped support shafts 3A and 3B and connected by cylindrical connecting screws 3D screwed at both ends, while the stopper 4 has a through hole at the center. , A circular groove on which the ring-shaped ring shaft terminal 7A attached to the open ends of the support shafts 3A and 3B is seated and rotated on the concentric circle, and the range in which the support shafts 3A and 3B rotate together with the ring shaft terminal 7A A disk having a fan-shaped notch and a holding groove at which the support shafts 3A and 3B are fixed and held at one end of the notch where the support shafts 3A and 3B are located when the keyboard A is upright. It is a holding metal fitting. In addition, the shaft screw part of the cover 8 with shaft screw is passed through the center shaft hole of the ring shaft terminal 7A and the through hole of the stopper 4, and the ring shaft terminal 7A is mounted on the holders 1 and 2 at the same time as the stopper 4 is attached. Fix it. With the above structure, when the support shafts 3A and 3B are adjusted by the connecting screw 3D and the screw of the connecting shaft 3C so that the pressing force in the direction of the stopper 4 is generated on the fan-shaped notch of the stopper 4, the keyboard A is moved. When tilted to reach the upright tilt angle, the pressing force causes the support shafts 3A, 3B to fall into the holding groove and be held. In this case, if one end of the connecting shaft 3C is reverse-threaded, the adjustment described above can be facilitated by rotating the connecting shaft 3C. To release the locked state, lift the keyboard A a little and lift the support shafts 3A and 3B from the holding groove to the height of the notch with the fingers of both hands, and place the keyboard A on the desk again. The support shafts 3A and 3B are placed on the notches from the holding grooves and return to the original inclination angle by their own weight. In this embodiment, the setting of the upright tilt angle of the keyboard A can be easily adjusted by rotating the stopper 4 around the central axis to change the mounting angle with respect to the holders 1 and 2.

Third Embodiment A third embodiment will be described with reference to FIGS. 5 and 6. Similar to the second embodiment, the third embodiment describes a modification of the stopper 4 and the stand rod 3 of the first embodiment. That is, a disc-shaped ring shaft terminal 7B having a through hole at the center and a V-shaped groove on the circumference is attached to the open ends of the support shafts 3A and 3B, and the ring shaft terminal 7B is attached to substantially the center of the holders 1 and 2. Attach the shaft with the shaft screw 9. Then, a flat plate-shaped stopper 4 having a V-shaped edge portion that meshes with the V-shaped groove of the ring shaft terminal 7B at one end and having the surfaces of the holders 1 and 2 as sliding surfaces is on the same plane as the ring shaft terminal 7B. It is attached to. The V-shaped groove of the ring shaft terminal 7B is provided on the circumference of the ring shaft terminal 7B at a position where it meshes with the V-shaped edge portion when the keyboard A is upright. Further, the elongated guide hole 10 and the spring case 11 provided on the stopper 4 serve as sliding guide surfaces for the guide pin screw 12 and the guide pin 13 provided on the holders 1 and 2, respectively. Reference numeral 12 also serves as a screw for holding the stopper 4 on the holders 1 and 2, and the spring case 11 is provided by punching on the sliding surface side with the holders 1 and 2, and the spring 14 housed inside always A spring force in the direction of the ring shaft terminal 7B is applied to the stopper 4, and this spring force becomes the meshing force between the V-shaped groove and the edge portion. On the other hand, the structure of the stand rod 3 is similar to that of the second embodiment. With the above structure, when the keyboard A is tilted, the edge portion of the stopper 4 that comes into contact with the circumference of the ring shaft terminal 7B slides on the circumference, and at the moment when the upright tilt angle is reached, the edge portion moves. The spring force of the spring 14 causes the spring 14 to fall into the V-shaped groove and mesh with each other, so that the ring shaft terminal 7B and the support shafts 3A and 3B are held on the holders 1 and 2. On the other hand, when the stopper rod 4 is slid and moved in the opposite direction to the ring shaft terminal 7B while the stand rod 3 is locked, the edge portion and the V-shaped groove are separated and the locked state is released.

[0010]

[Effect of device]

 Since the present invention is configured as described above, it has the following effects. That is, it has a simple structure that can be easily attached to a general keyboard, and the operation of standing up and returning the keyboard can be repeated easily and in a short time. The keyboard can be erected in its place, or if necessary, the erected keyboard can be moved to another open place. This makes it possible to reduce the area occupied by the keyboard and secure an empty space in front of the monitor screen. And since the key operation surface of the keyboard is always on the user side, it is possible to input with the key while the keyboard is standing up unless the key is pressed frequently, such as when using a mouse to operate a computer. Therefore, it is not necessary to return to the original tilt angle each time the input operation is performed with the keys. Further, the holders 1 and 2 fitted to both ends of the keyboard are supported by the stand rods 3 from both sides, so that the holders 1 and 2 do not fall off from the keyboard, and the stand rods 3 are hidden behind the keyboard for use. Since it is almost invisible from the person's side, it does not disturb the eyes.

[Brief description of drawings]

FIG. 1 is a perspective view showing a mounted keyboard according to a first embodiment as viewed from the back side.

FIG. 2 is a perspective view showing a stopper portion and a holding mechanism main portion thereof according to the first embodiment.

FIG. 3 is a perspective view showing a second embodiment of the mounted keyboard as seen from the back side.

FIG. 4 is a perspective view showing a stopper portion and a holding mechanism main portion thereof according to a second embodiment.

FIG. 5 is a perspective view of the attached keyboard as seen from the back side, showing Embodiment 3;

FIG. 6 is a perspective view showing a stopper portion and a holding mechanism main portion thereof according to a third embodiment.

[Explanation of symbols]

 A keyboard 1, 2 holder 3 stand rod 3A, 3B support shaft 3C connecting shaft 3D connecting screw 4 stopper 5 bearing part 6 T-shaped joint 7A, 7B ring shaft terminal 8 shaft screw cover 9 shaft screw 10 guide long hole 11 spring case 12 Guide pin screw 13 Guide pin 14 Spring

Claims (1)

[Scope of utility model registration request] 1. A pair of cap-shaped holders (1, 2) that are fitted and mounted so as to cover the left and right side surfaces of a keyboard (A), and one corresponding holder (1, 2). A pair of support shafts (3A, 3B) and support shafts (3A, 3B)
In a holder (1, 2) attached to the keyboard (A), which is provided with a substantially U-shaped stand rod (3) made of a connecting shaft (3C) for connecting B), parallel to the left and right side surfaces of the keyboard (A). The straight line connecting the rotary shaft fulcrums and the connecting shaft (3C) are parallel to each other on the rotary shaft fulcrums provided on the holders (1, 2) located symmetrically with respect to the central cross section of the keyboard (A). Support shafts (3A, 3
B) for a keyboard and a stopper (4) provided on the holders (1, 2) for holding and releasing the support shafts (3A, 3B) at a fixed position on the holders (1, 2) Inclined support bracket.