JP2000112375A - Display support device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to move a display in the vertical direction without changing the orientation of the vertical direction of the display by constituting at least a part of an arm by parallel links. SOLUTION: An arm device 3 comprises a first arm 12 which is constituted of the parallel links consisting of a first perpendicular shaft 7 and a second perpendicular shaft 8 and a first link 10 and second link 11 freely turnably and pivotally fitted in the vertical direction at their respective ends by horizontal shafts 9a to 9d to these shafts and the second arm 13 which is laterally, horizontally turnably and pivotally fitted at its one end to the first perpendicular shaft 7 and is mounted with a mounting plate 4 at its other end. When moving the display 1 in the vertical direction, a user presses a manipulation plate 28 while clamping a lower clamping part 5b. The locking mechanism is released by this pressing manipulation. Since the first arm 12 is made vertically turnable around the second perpendicular shaft 8, the changing of the vertical position of the display 1 is made possible.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display supporting apparatus for supporting a display movably on a desk or the like.

[0002]

2. Description of the Related Art In recent years, thin liquid crystal displays, plasma displays and the like have been rapidly spreading mainly as displays for personal computers and televisions. Since such a liquid crystal display is thinner than a conventional CRT or the like, it is convenient because it does not occupy a large space even when it is used on a desk in an office or at home. In order to further improve the usability of such liquid crystal displays, these liquid crystal displays are supported by, for example, an arm device as disclosed in Japanese Patent Application Laid-Open No. 9-285341, and when used, pulled out to the front and used. There were some that could be evacuated to the back or side of the desk when used.

[0003]

However, in such an arm device, it is possible to freely rotate in the horizontal direction, but it is not possible to move in the vertical direction, so that the height position of the line of sight of the user is limited. The display cannot be easily moved up and down in response to different cases or different sizes of displays to be used.

Therefore, it is conceivable to provide one of the joints of the arm of such an arm device so as to be rotatable in the vertical direction about a horizontal axis. In this case, the arm is rotated in the vertical direction. However, since the direction of the display changes to upward or downward, it is necessary to adjust the vertical direction of the display every time the display is moved up and down, which is troublesome.

The present invention has been made in view of such a problem, and an object of the present invention is to provide a display supporting device capable of moving a display vertically without changing the vertical direction of the display. Aim.

[0006]

In order to solve the above-mentioned problems, a display supporting apparatus according to the present invention supports a display movably in an arbitrary direction by an arm having a fixed base at one end and a display at the other end. A display support device, wherein at least a part of the arm is formed of a parallel link, and at least the vertical movement of the display is performed by rotation of the parallel link. . According to this feature, the parallel link of the arm follows the vertical movement of the display and rotates in the vertical direction. Since there is no display, the user can adjust the vertical position of the display while looking at the display.

[0007] In the display support device of the present invention, it is preferable that an urging means for urging the parallel link upward is provided in the parallel link. With this configuration, when the display is moved up and down, the display is urged upward, so that the display can be easily moved upward. is there.

In the display supporting apparatus according to the present invention, at least one of the link members constituting the parallel link is formed in a substantially U-shape in cross section. It is preferable that a gas spring as the urging means is accommodated in a space formed by these link members so that the openings are opposed to each other. By doing so, the gas spring provided on the parallel link is not visible from the outside, and the appearance is improved.

[0009] In the display supporting apparatus of the present invention, it is preferable that a horizontal arm is pivotally supported at an end of an arm composed of a parallel link, and that the horizontal arm can rotate and move above the parallel link arm. With this configuration, even if the display is supported at an arbitrary height, the horizontal arm can be moved in the horizontal direction, so that the arm can be made compact and evacuated from the user side.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. First, FIG. 1 shows a liquid crystal display 1 having an arm as a display supporting device mounted on a tabletop 2 of a desk. The state supported by the device 3 is shown. Reference numeral 4 denotes an attachment plate for attaching the display 1 to the distal end of the arm device 3, reference numeral 5 denotes a handle for moving the display 1, and reference numeral 6 denotes an operation unit for moving or fixing the display 1. By operating the operation unit 6 while grasping the handle unit 5, the display 1 attached to the tip of the arm device 3 can be moved to an arbitrary position on the top plate 2 or fixed. Has become.

As shown in FIGS. 1 to 3, the arm device 3 has a first vertical axis 7, a second vertical axis 8, and a first vertical axis 7 and a second vertical axis 8, both ends of which are horizontal. Axis 9a-9
The first link 1 rotatably mounted in the vertical direction by d.
A first arm 12 constituted by a parallel link composed of a first link 12 and a second link 11 is mounted on the first vertical shaft 7 such that one end is axially rotatable in the horizontal direction and the other end is provided with the mounting plate 4. Mounting portion 1 having a second arm 13 and a lower portion of a second vertical shaft 8 rotatably supported about an axis, and a bracket 14 provided at the lower portion to be detachable from the top plate 2.
And 5. The top plate 2 of the arm device 3
It can be attached to the bracket by various methods other than the bracket 14.

The first link 10 and the second link 11 are formed to have a substantially U-shaped cross section so that their openings face each other, and a part of the second link 11 is always in the opening of the first link 10. Are provided so as to be fitted, and a gas spring 16 with a lock mechanism is accommodated in a space defined by the first and second links 10 and 11. The gas spring 16 is composed of a base 16a and a telescopic rod 16b which is fitted to the base 16a so as to be extendable and contractable. It is axially mounted on the horizontal shaft 9d, and the other end is axially mounted on the horizontal shaft 9a via a mounting piece 18 fixed to the tip of the telescopic bar 16b.

The telescopic rod 16b is inserted so as to be constantly urged in the extending direction with respect to the base part 16a.
This telescopic rod 16b is provided via a lock mechanism provided inside.
Can be made extendable or non-extendable (the gas spring and the lock mechanism used for the gas spring are already well known, and a detailed description thereof will be omitted here). Such a gas spring 16
Is provided so as to intersect the inside of the first and second links 10 and 11, the lock mechanism is released and the telescopic rod 16
When b is extended, the first arm 12 is urged to rotate upward about the second vertical axis 8.

The unlocking operation of the lock mechanism can be performed by pressing the rod 19 which is telescopically inserted into the telescopic rod 16b so that the distal end projects to the distal end of the telescopic rod 16b. A pressing piece 20 that can press and release the rod 19 is pivotally attached to the mounting piece 18.

One end of the plate 13a constituting the second arm 13 is rotatably mounted on the upper part of the first vertical shaft 7 so as to be rotatable in the horizontal direction. Can be overlaid on top. The other end of the plate 13a is attached to the mounting plate 4 by a horizontal shaft 21.
The other end of the rotating plate 22, which is pivotally mounted at one end via a vertical axis, is pivotally mounted via a third vertical shaft 23 in a horizontal direction. The plate 13a is covered with a cover 13b so as not to be seen from the outside. Reference numeral 24 in FIG. 2 denotes a restriction piece for restricting the vertical rotation of the mounting plate 4 with respect to the plate 13a in order to prevent the display 1 from being extremely rotated vertically.

The interiors of the first and second arms 12, 13 and the first, second, and third vertical shafts 7, 8, 23 are each formed in a hollow shape, and the interior thereof is appropriately opened (particularly, (Not shown), a power cord extending from the display 1 and an appropriate cable, a wire extending from an operation unit 6 described later, and the like are inserted into the arm device 3 from near the display 1. , Can be extended to the outside of the mounting portion 15, and the cords and cables do not hinder the movement of the display 1.

In the display 1, the rear surface of the display 1 is brought into contact with the front surface of the mounting plate 4 mounted on the tip of the rotating plate 22, and screws 25 (see FIG. 3) are screwed from behind the mounting plate 4. It can be attached by. As shown in FIG. 3, guide portions 4a for guiding the frame 27 constituting the handle portion 5 are formed at both ends of the mounting plate 4 in a curved manner, and the frame 27 is guided by the guide portion 4a. In this state, this frame 2
Pressing part 26 for pressing down so as to restrict the vertical movement of 7
The frame 27 can be attached to the mounting plate 4 by attaching the holding plate 26 having the curved portion a to the mounting plate 4 by using the screw 25 for mounting the display 1.

The handle 5 composed of the frame 27 is provided with an upper handle 5a projecting upward from the upper end of the display 1.
And a lower handle portion 5b protruding downward and forward from the lower front portion of the display 1 so that the user of the display 1 can move the display 1 in an arbitrary direction while holding each handle portion. It has become.

In the vicinity of the lower handle portion 5b, an operation plate 28 as the operation portion 6 of the above-described lock mechanism of the gas spring 16 is directed inward from two frames 27, 27 extending in the front-rear direction below the display 1. Are pivotally supported by a shaft member 29 protruding therefrom so as to be rotatable vertically.
The other end of the wire 30, one end of which is locked to the pressing piece 20, is locked to a protruding piece 28 a protruding from a rear portion of the operation plate 28, and the operation plate 28 is pressed downward. As a result, the rod 19 is pressed by the pressing piece 20, and the gas spring 16 is expandable and contractable, that is, the first arm 12
Are provided so as to be rotatable vertically. The wire 30 is inserted through the second arm 13 and the first vertical shaft 7 from the rear surface of the display 1, and is inserted into a tube tube 31 having both ends fixed by fixing pieces 32.

Next, the operation of the display 1 supported on the arm device 3 according to the embodiment of the present invention will be described with reference to the drawings. First, the display 1 in a stopped state is shown in FIG. When the user wants to move it up and down as shown, the user can use the lower handle 5b.
The operation plate 28 is pressed downward while grasping. This pressing operation causes the rod 19 of the gas spring 16 to move the pressing piece 2
0 to release the lock mechanism,
b becomes stretchable. Therefore, the first arm 12 can be rotated in the vertical direction about the second vertical axis 8, so that the vertical position of the display 1 can be changed as shown in the figure.

As described above, even if the first arm 12 is turned up and down, the first vertical shaft 7 is moved up and down while the vertical state is maintained by the parallel link mechanism including the first and second links 10 and 11. So that the display 1 can be moved up and down without changing the up and down direction,
The user can easily adjust the vertical position while looking at the screen (not shown) of the display 1 from the front of the display 1. The fine adjustment of the display 1 in the vertical direction can be performed by rotating the display 1 about the horizontal axis 21.

Further, since the gas spring 16 constantly biased in the extending direction is provided, the arm device 3 is provided.
Even when a heavy object such as the display 1 is supported at the tip of the display, it is easy to move upward, and it is possible to prevent the display 1 from dropping sharply, which is safe. Further, since the gas spring 16 provided in the link mechanism is provided with the lock mechanism, the display 1 can be reliably fixed at an arbitrary height position only by locking the expansion and contraction of the gas spring 16.

When the display 1 is moved in the left-right direction as shown in FIG. 4B, the first, second, and third vertical axes 7, 8, and 23 are used as the first and second axes. The display 1 may be rotated via the two arms 12 and 13 or the mounting plate 4. In the present embodiment, these first,
The rotation fixing means for the second and third vertical shafts 7, 8, and 23 are not specifically shown, but an appropriate amount of fixing feeling can be obtained by appropriately inserting a friction member having frictional resistance between the arm and the vertical shaft. Can be obtained.

Further, as shown in the figure, the second arm 13 can be overlaid on the first arm 12 so that, for example, when the display 1 is not used, the display 1 can be compactly placed at the back of the top plate 2 or on the side. Since it can be evacuated in the state of being turned, it does not become an obstacle when not in use.

As described above, the display 1 is provided so as to be able to move up and down via the first arm formed of the parallel link and to be rotatable left and right around the vertical axis.
Above can be moved in any direction.

Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments, and even if there are changes and additions without departing from the gist of the present invention. Included in the invention.

For example, the arm device 3 in the present embodiment
Are the first arm 12 and the second arm 1 which are parallel links.
However, the multi-joint arm device 3 may be constituted by only the first arm 12 or a plurality of arms as long as the arm includes a parallel link whose vertical rotation is made of a parallel link.

Although the gas spring has been used as the upper urging means of the first arm, it can be energized by various methods such as winding a coil spring or the like around the rotation axis. Further, the position of the display 1 may be held by a method of fixing the connection between the first arm and the first or second vertical axis by friction or the like, a method using a balancer, or the like. .

[0029]

The present invention has the following effects.

(A) According to the first aspect of the present invention, since the parallel link of the arm follows the vertical movement of the display and is rotated in the vertical direction, the display is moved when the display is moved in the vertical direction. The user can adjust the vertical position of the display while looking at the display because the orientation of the initial state does not change significantly.

(B) According to the second aspect of the present invention, when the display is moved up and down, the display is urged upward, so that the display can be easily moved upward and the display can be moved down. Prevents rapid fall and is safe.

(C) According to the third aspect of the present invention, the gas spring provided on the parallel link is not visible from the outside, and the appearance is improved.

(D) According to the fourth aspect of the present invention, even if the display is supported at an arbitrary height, the horizontal arm can be moved in the horizontal direction, so that the arm is made compact and evacuated from the user side. Can be done.

[0034]

[Brief description of the drawings]

FIG. 1 is a perspective view showing a use state of a display support device according to an embodiment of the present invention.

FIG. 2 is a partially cutaway side view showing the internal structure of the display support device.

FIG. 3 is a sectional view taken along line AA of FIG. 2;

4A is a schematic side view showing the vertical movement of the display, and FIG. 4B is a schematic plan view showing the horizontal movement of the display.

[Explanation of symbols]

 Reference Signs List 1 display 2 top plate 3 arm device (display support device) 4 mounting plate 4a guide portion 5 handle portion 5a upper handle portion 5b lower handle portion 6 operation portion 7 first vertical axis 8 second vertical axis 9a to 9d horizontal axis 10th 1 link (link member) 11 second link (link member) 12 first arm 13 second arm (horizontal arm) 13a plate 13b cover 14 bracket 15 mounting part (fixed base) 16 gas spring 16a base part 16b telescopic rod 17 , 18 Mounting piece 19 Rod 20 Pressing piece 21 Horizontal axis 22 Rotating plate 23 Third vertical axis 24 Restricting piece 25 Screw 26 Pressing plate 26a Pressing portion 27 Frame 28 Operation plate 28a Projection piece 29 Shaft member 30 Wire 31 Tube tube 32 Fixed Piece

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Harford Alexander 2-18-18 Kitako, Nishi-ku, Yokohama-shi, Kanagawa F-term in Okamura Works (reference) 5G435 AA01 BB12 DD11 EE13 EE16 EE19 LL08

Claims (4)

[Claims] 1. A display support device for supporting a display movably in an arbitrary direction by an arm having a fixed base at one end and a display at the other end, wherein at least a part of the arm is constituted by a parallel link. A display support device, wherein at least the vertical movement of the display is performed by the rotation of the parallel link. 2. The display support device according to claim 1, wherein an urging means for urging the parallel link upward is provided in the parallel link. 3. At least one of the link members constituting the parallel link, each of which is arranged side by side, is formed in a substantially U-shape in cross section, and these link members are connected to each other by opening each other. 3. The display support device according to claim 2, wherein the gas spring as the urging means is accommodated in a space formed by the link members. 4. The display according to claim 1, wherein a horizontal arm is pivotally supported at an end of the arm formed of the parallel link, and the horizontal arm can rotate and move above the parallel link arm. Support device.