JP2007010979A - Stand device for flat display - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a stand device for a flat display, in which height and angle are surely, smoothly and promptly adjusted even in the case of a large and heavy flat display, and a side edge section is not contacted to a wall, even if the flat display is not separated apart from the wall. <P>SOLUTION: The stand device is equipped with an adjusting device for supporting the flat display through an inner cylinder, in which the height and the angle to right and left are arbitrarily adjusted. The adjusting device comprises: an electric motor for lifting up and down; a planetary decelerating mechanism for decelerating rotation of the electric motor for lifting up and down; a lifting adjusting means composed of a transmitting means by which the inner cylinder is moved up and down by decelerating rotation from the planetary decelerating mechanism; an electric motor for oscillating; a planetary decelerating mechanism for decelerating rotation of the electric motor for oscillating; and an oscillation adjusting means composed of a transmitting means by which the flat display is oscillated to right and left by the decelerating rotation from the planetary decelerating mechanism. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a flat display stand device provided with an adjusting device capable of adjusting a flat display such as a liquid crystal display or a plasma display so that the flat display can be moved up and down or swung left and right.

  A conventional flat display stand device includes a height adjusting mechanism that adjusts the height by extending and contracting a long stand member that supports the liquid crystal television at the upper end, and rotates around the longitudinal axis of the stand member. There is an angle adjustment mechanism for adjusting the left and right angles of the liquid crystal television, and the mechanism is driven by a height adjustment electric motor or an angle adjustment electric motor by remote control. (For example, see Patent Document 1)

However, the above conventional flat display stand device has a simple adjustment drive mechanism. As a result, a large flat display having a particularly large spread and a large weight (for example, 25 Kg) is lifted or swung. There is a problem that it is practically difficult to adjust the angle reliably, smoothly and quickly.
JP 2005-94438 A

  The problem to be solved by the present invention is to provide a stand device for a flat display that can adjust the height and angle of a flat display that is particularly large and heavy, reliably and smoothly and quickly.

  The flat display stand device of the present invention is a stand having an adjustment device for mounting and supporting the flat display via an inner cylinder and adjusting the height and the right and left direction as desired; An electric motor, a planetary speed reduction mechanism that decelerates the rotation of the electric motor for lifting and lowering, an elevating / lowering adjusting means that moves up and down the inner cylinder by decelerating rotation from the planetary speed reducing mechanism, and an electric motor for oscillation A swing adjustment means comprising a motor, a planetary speed reduction mechanism for reducing the rotation of the electric motor for swinging, and a transmission means for swinging the flat display to the left and right by the reduced speed rotation from the planetary speed reduction mechanism; It is characterized by comprising. The lifting electric motor and the swinging electric motor are step motors. Further, the lifting electric motor and the swinging electric motor are operated by remote control.

The flat display stand according to the present invention has an advantage that the height and angle of the flat display stand can be adjusted surely, smoothly and quickly even in a large flat display having a large weight.
Moreover, even if the flat display is swung, the center of rotation moves in a direction away from the wall. Therefore, even if the flat display is not separated from the wall, there is no fear that the side end portion contacts the wall.

  1 is an external view showing an embodiment of the apparatus of the present invention, FIG. 2 is a front view thereof, FIG. 3 is a side view thereof, 1 is a flat display such as a liquid crystal display or plasma display, and 2 is the flat display 1 described above. 3 is a stand base on which the flat display 1 is stably installed via the adjusting device 2. The stand base 3 does not necessarily have to be plate-shaped, and may be, for example, a box-like shape or a fall-preventing means in which an appropriate support means is projected from the side portion of the adjusting device 2.

  4 is a partial sectional view for explaining the internal structure of the adjusting device 2, FIG. 5 is an enlarged perspective view thereof, and FIG. 6 is an enlarged sectional view thereof. In particular, in FIG. 6, 4 is an outer cylinder, 5 is an inner cylinder, 6 is a movable nut, 7 is a feed screw, 8 is a holding member, 9 is a joint, 10 is a planetary speed reduction mechanism, 11 and 12 are transmission gears, and 13 is a lift , 14 is a transmission gear, 17 is an eccentric shaft, 18 is a planetary gear, 19 is an internal gear, 20 and 21 are ring members, and 22 is a rolling member.

  The inner cylinder 5 is mounted so as to mount and support the flat display 1 and to move in the vertical direction and rotate in the horizontal direction in the outer cylinder 4. A movable nut 6 is attached and fixed to the bottom of the inner cylinder 5, and a feed screw 7 is screwed together. The inner cylinder 5 is moved up and down by rotating the feed screw 7 to move the inner cylinder 5 up and down. ing. The upper end portion of the feed screw 7 is held by a holding member 8.

  The upper end portion of the feed screw 7 is connected to the output side of the planetary reduction mechanism 10 through a joint 9. As shown in FIG. 7, the planetary reduction mechanism 10 is mainly composed of an eccentric shaft 10a on the input side and a planetary gear 10b that rolls in the internal gear 10c by the eccentric shaft 10a and greatly reduces and rotates in the opposite direction. The reduced speed rotation of the planetary gear 10b is transmitted to the feed screw 7. The eccentric shaft 10 a of the planetary speed reduction mechanism 10 is rotationally driven by a lifting electric motor 13 such as a step motor via transmission gears 12 and 11.

  On the other hand, the rotation of the swinging electric motor 14 such as a step motor drives the eccentric shaft 17 via the transmission gears 15 and 16. A planetary gear 18 is rotatably attached to the eccentric shaft 17 and rolls in the internal gear 19 so as to greatly reduce and rotate in the opposite direction.

  As is apparent from FIGS. 9 and 10, pins 18a and 18b are implanted on the upper side surface of the planetary gear 18, and ring members 20 and 21 are rotatably attached thereto, respectively. As shown in FIG. 11, the ring member 20 is fitted to the rotating member 22 and rotationally driven. Further, the ring member 21 is movable along a long hole 22 a formed in the rotating member 22. The flat display 1 is attached to the rotating member 22 and is rotated, for example, 10 degrees left and right.

  Since the apparatus of the present embodiment is configured as described above, the feed screw 7 is rotated by the rotational driving force of the lifting electric motor 13 and the significant speed reduction mechanism of the planetary speed reduction mechanism 10. The inner cylinder 5 is moved up and down via the meshed movable nut 6 to move the flat display 1 up and down stably and reliably.

  Further, the flat display 15 is driven by the rotational driving force of the electric motor 14 for oscillation and the speed reduction mechanism including the eccentric shaft 17, the planetary gear 18, the internal gear 19, the ring members 20, 21 and the rotating member 22. Turns slightly to the left and right, and swings to the left and right stably and reliably.

When the rotating member 22 is rotated by the planetary gear 18, the internal gear 19, the ring members 20, 21, etc., the center thereof is separated from the wall W as shown in FIG. As a result, the flat display 1 swings in a state where the position of the side end portion X hardly moves. Therefore, even if the gap between the flat display 1 and the wall is small, the flat display 1 can be swung without fear of contacting the wall W.
On the other hand, as shown in FIG. 12B, since the rotation center of the conventional flat display does not move, the side end Y may come into contact with the wall W, and the flat display D is considerably separated from the wall W. It is necessary to keep.

As described above, the adjusting device 2 includes the lifting / lowering electric motor 13, the planetary reduction mechanism 10 that decelerates the rotation of the lifting / lowering electric motor 13, and the inner cylinder 5 by the reduced rotation from the planetary reduction mechanism 10. Ascending / descending adjustment means composed of transmission means for moving up and down, an electric motor for swinging 14, a planetary speed reducing mechanism for reducing the rotation of the electric motor for swinging, and a speed reduction rotation from the planetary speed reducing mechanism, And swing adjustment means including transmission means for swinging the tube left and right.
The transmission means of the elevation adjusting means is composed of a feed screw 7 and a movable nut 6.
Further, the planetary speed reduction mechanism of the swing adjustment means includes an eccentric shaft 17, a planetary gear 18, and an internal gear 19.
Further, the transmission means of the swing adjustment means includes the pins 18a and 18b of the planetary gear 18, ring members 20 and 21, a rotating member 22 and an elongated hole 22a.
In addition, it is preferable to operate the flat display 1 up and down and swing left and right by remote control.

It is an external view which shows one Example of this invention apparatus. It is a front view of FIG. It is a side view of FIG. It is a fragmentary sectional view which shows the internal structure of the adjustment apparatus of FIG. It is an expanded sectional perspective view which shows the internal structure of an adjustment apparatus. It is an expanded sectional view which shows the internal structure of an adjustment apparatus. FIG. 7 is a cross-sectional view taken along the line II in FIG. 6. It is a principal part perspective view of an adjusting device. It is another principal part perspective view of an adjustment apparatus. FIG. 7 is a cross-sectional view of FIG. FIG. 7 is a cross-sectional view of the wafer shown in FIG. 6. It is explanatory drawing (A) of the swing state of the flat display by the apparatus of this invention, and explanatory drawing (B) of the swing state of the flat display by the conventional apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Flat display 2 Adjustment apparatus 3 Stand base 4 Outer cylinder 5 Inner cylinder 6 Movable nut 7 Feed screw 8 Holding member 9 Joint 10 Planetary speed reduction mechanism 10a Eccentric shaft 10b Planetary gear 10c Internal gear 11, 12 Transmission gear 13 Lifting electric motor 14 Electric motors for swinging 15, 16 Transmission gear 17 Eccentric shaft 18 Planetary gears 18a, 18b Pin 19 Internal gears 20, 21 Ring member 22 Rotating member 22a Slot D Flat display R Rotating device X, Y Side end W wall

Claims (3)

  A flat display is mounted and supported via an inner cylinder, and a stand provided with an adjusting device that arbitrarily adjusts its height and left and right orientations; the adjusting device includes an electric motor for elevating and an electric motor for the elevating electric motor A planetary speed reduction mechanism that decelerates rotation, a lifting and lowering adjustment means that includes a transmission means that moves the inner cylinder up and down by reduced speed rotation from the planetary speed reduction mechanism, an oscillation electric motor, and an oscillation electric motor A planetary speed reduction mechanism that decelerates rotation, and a swing adjustment means that includes a transmission means that swings the flat display to the left and right by the reduced speed rotation from the planetary speed reduction mechanism. Stand device for flat display.   2. The flat display stand device according to claim 1, wherein the elevating electric motor and the swinging electric motor are step motors.   The flat display stand device according to claim 1 or 2, wherein the lifting electric motor and the swinging electric motor are operated by remote control.