JP2002032033A - Hanging device for display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a hanging down device smoothly movable along rails installed at a ceiling or the like in a longitudinal or transverse direction or in the longitudinal and transverse directions and to make the device changeable in the direction of display. SOLUTION: This hanging down device for the display device consists of the rails 2 which are disposed with the top surfaces along the ceiling A or the like, a slider 3 which is guided by the rails 2 to travel and a hanging down member 4 which is mounted at the slider 3 and consists of a hanging down member 4 for hanging down the display device 1. The rails 2 are formed of hollow rail members having open channels 2a opened in part at the centers of the under surfaces and hollow parts which are internally hollow. The rails have traveling paths 2b for traveling of the slider 3 on both sides of the open channels 2a on the inside surfaces of the hollow parts. The slider 3 has plural balls 3a for traveling of the traveling paths 2b and is formed travelably within the hollow parts. The hanging down member 4 is mounted by connecting the slider 3 and the display device 1 through the open channels 2a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suspension device for a display device, and more particularly, to a display device for disposing a rail on a ceiling or the like and movably mounting the display device along the rail. The present invention relates to a suspension device.

[0002]

2. Description of the Related Art Conventionally, a rail type moving method has been proposed in which a rail is provided on a ceiling or the like and a display device is moved along the rail in order to make the display device easier to see. For example,
Japanese Patent Application Laid-Open No. 9-90880 proposes a method of suspending a display device on a carriage on a rail and moving the display device in the length direction of the rail by a motor. Japanese Patent Application Laid-Open No. 9-289617 proposes a method for manually moving a display device along a rail. However, these rail-type moving methods that have been conventionally proposed move in only one direction along one wall surface or move along an L-shaped bent rail at the corner of the wall surface.
Either way. By the way, in places used for multiple purposes, such as classrooms, halls, halls, etc., the display device is moved to a corner at an event that does not require display, and the display device is located at the center where it is easy to see at an event that requires display. And moved to one of the left and right positions. However, the conventional method has not been sufficient in dealing with these. There has been a demand for a display device suspension device which can move not only horizontally and horizontally along a wall surface but also forward and backward and can change the direction of display.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and has been made in view of the above problem. The present invention provides a display device which can be smoothly moved along rails arranged vertically, horizontally, or vertically and horizontally on a ceiling or the like. It is an object of the present invention to provide a suspension device for a display device suitable for a flat display device in which the orientation of the display device can be changed.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a rail whose upper surface is arranged vertically, horizontally, or vertically and horizontally along a ceiling or the like, and is guided by the rail. And a suspension device for a display device, which is attached to the slider and includes a suspension member for suspending a flat display device such as a display board or a plasma display. A part of the center of the lower surface is formed by a hollow rail member having an open groove and an inner hollow part, and the slider runs on both sides of the open groove on the inner surface of the hollow part. A traveling path, the slider includes a plurality of balls for traveling on the traveling path, and is formed so as to be able to travel inside the hollow portion, and the suspension member is inserted into the open groove to move the slider. And said Attached by connecting the shown device,
The display device can be moved in the vertical direction, the horizontal direction, or the vertical and horizontal directions along the rail provided on a ceiling or the like.

[0005] The rail has a connecting portion at both ends or at least one end for mutually engaging and connecting with another hollow rail member, and the connecting portion is connected to each other to extend the rail.

A T-shaped connecting member for connecting the rails in a T shape is provided, and the rails are connected and extended in a T shape.

[0007] A cross-shaped connecting member for connecting the rails in a cross shape is provided, and the rails are connected in a cross shape and extended.

The slider is provided with at least four diagonally disposed rotatable balls on a lower surface in contact with the traveling path for smooth traveling.

The slider includes, on a lower surface in contact with the traveling path, at least eight rotatable balls disposed on diagonal sides and opposing opposite sides for smooth traveling.

The slider comprises a plurality of rotatable second balls on an upper surface opposed to the traveling path, in contact with an upper surface inside the rail to prevent the slider from tilting and maintain a horizontal posture. With.

The slider includes a brake mechanism for holding a stop position and a brake release mechanism for releasing the brake mechanism and traveling.

The brake mechanism is formed of an elastic member that presses against the inner wall of the hollow rail member and a spring member that presses the elastic member, and the brake release mechanism is provided below the suspension member. And an operating part for releasing the pressing of the spring member, and a connecting member for connecting the operating part and the elastic member.

[0013] The traveling path has a concave groove for guiding the ball on a surface on which the ball travels in contact with the ball.

The suspension member is formed of a hollow frame member.

[0015] The suspension member is formed of a wire member.

A plurality of the sliders and the hanging members are provided, and the display device is suspended by the plurality of hanging members.

A plurality of the sliders and the hanging members are provided on the rail, and a plurality of the display devices can run on the rail.

The slider has an outer shape smaller than the narrowest inner diameter of the hollow portion so that the slider can rotate at an arbitrary position along the rail. It is formed in a shape.

[0019]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a perspective view for explaining a first embodiment of the present invention, and FIG. 2 is a perspective view for explaining a connecting portion of a rail. A description will be given based on FIG. 1 and FIG. In order to movably install a flat display device 1 such as a display board or a plasma display on a ceiling A or the like, as shown in FIG.
The upper surface is arranged crosswise or T-shaped partially along the ceiling A or the like in the vertical direction, the horizontal direction, or the vertical and horizontal directions. The rail 2 is formed of a hollow rail member having an open groove 2a having a partially open lower surface at the center and an inner hollow portion, and sliders 3 on both sides of the open groove 2a on the inner surface of the hollow portion. A traveling path 2b for traveling is provided. The rail 2 has connecting portions 2c at both ends or at least one end for mutually engaging and connecting with the other rails 2, and connecting the connecting portions 2c to each other to extend the rails 2 and dispose them. Like that. In the example of FIG. 1, a T-shaped connecting member 2d for connecting the rails 2 in a T-shape is provided at the right end of the rails 2 arranged in the left-right direction. It is extended. On the left side of the figure, a cross-shaped connecting member 2e for connecting the rails 2 in a cross shape is provided, and the rails 2 are connected in a cross shape and extended.

As shown in FIG. 2, the connecting portion 2c is a rail 2
At least one end has a small outer shape and the other end has a large inner diameter in order to mutually fit and connect with both rails or at least one end with another rail 2. A screw hole 2f is formed in one of the rails 2 on both sides of the connecting portion 2c, and an insertion hole 2g is formed in the other corresponding portion.
And the rails 2 are connected and fixed by the screws 7. An insertion hole 2g is appropriately formed in the upper surface of the rail 2, and the rail 2 is attached to the ceiling A or the like by using an attachment screw or a bolt by using the insertion hole 2g. A slider 3 is movably disposed inside a hollow portion of the rail 2 disposed on the ceiling A or the like. The slider 3 is formed in a substantially rectangular parallelepiped with four corners rounded when viewed from above, and the traveling path 2b
And at least four diagonally arranged rotatable balls 3a for smooth running. A suspension member 4 composed of a cylindrical frame member is attached from the center of the slider 3, and the display device 1 is installed at a lower end of the suspension member 4. With the above-described configuration, the display device 1 can move right and left, back and forth, and sometimes cross along the rail 2.

FIG. 3 is a sectional view of an essential part for explaining details of a rail and a slider in a second embodiment according to the present invention. Slider 3 traveling inside hollow portion of rail 2
Is provided with at least eight rotatable balls disposed on the diagonal of the slider 3 and the opposite side opposite to the slider 3 for smooth running on the lower surface in contact with the traveling path 2b. That is, the balls 3a are arranged in 3 × 3 except the center, and three balls 3a are arranged in the horizontal direction in the figure, but the center ball 3a is shown by a broken line. Each ball 3a is rotatably held by a rotation holding portion 3c of the slider 3. A suspension member 4 is attached to the center of the slider 3.
The upper end of the suspension member 4 is fastened and fixed by upper and lower nuts 4a with the slider 3 interposed therebetween.

The slider 3 has a plurality of rotatable second balls on the upper surface opposed to the traveling path 2b, in contact with the upper surface inside the rail 2 to prevent the slider 3 from tilting and maintain a horizontal posture. 3b. In the present embodiment, eight balls 3a are provided on the lower surface of the slider 3 and four second balls 3b are provided on the upper surface, but they are all the same. By providing the four second balls 3b on the upper surface, when the display device 1 is heavy and the center of gravity of the suspension member 4 and the display device 1 is displaced, the suspension member 4 tends to tilt. Can be negated.

The traveling path 2b has a concave groove 2h for guiding the ball 3a on a surface on which the ball 3a travels in contact. This enables stable running along the concave groove 2h. The ball 3a and the ball 3b
The lubricating oil is impregnated or applied with lubricating oil in order to smoothly travel with the slider rotatable holding portion 3c for rotatably holding the slider. This enables smoother and quieter traveling.

The slider 3 is formed in a substantially disk shape when viewed from above, having an outer shape smaller than the narrowest inner diameter of the hollow portion of the rail 2 so as to enable rotation at an arbitrary position along the rail 2. . This allows the slider 3 to rotate inside the hollow portion at an arbitrary position along the rail 2 and change its direction. By rotating the slider 3, the suspension member 4 fixed to the slider 3 rotates, and the display device 1 also rotates.

The slider 3 has a brake mechanism 5 for holding the stop position, and a brake release mechanism 6 for releasing the brake mechanism 5 to travel. The brake mechanism 5 is formed by an elastic member 5a that contacts and presses the inner wall of the rail 2 and a spring member 5b that presses the elastic member 5a.
An operating portion 6b for releasing the pressing of the spring member 5b and a connecting member 6a such as a wire connecting the operating portion 6b and the elastic member 5a are formed. The spring member 5 in a normal state
b is pressed against the inner wall of the upper surface of the rail 2 and is in a braking state, and maintains the posture and angle at that location.
When the display device 1 is moved, the brake is released by pulling down the operation portion 6b at the lower end of the connecting member 6a of the brake release mechanism 6, and the slider 3 can run. After moving to the desired position, the operation unit 6b may be released. The connecting member 6a may be formed in a rod shape such as a metal or a resin in addition to a wire, and a lower end may be slidably held on the display device 1 and an operating portion may be a lever.

FIG. 4 is a sectional view showing a main part of a third embodiment of the present invention. The above-mentioned suspension member 4 is formed of a hollow frame member. In the third embodiment, the suspension member is formed of a wire member 4 '. By suspending the slider 3 with the wire member 4 ′, a force only in the vertical direction is applied to the slider 3, and the slider 3 is not inclined or the rail 2 is distorted as described above. The wire member 4 'may be fixed to the slider 3 instead of, for example, a hollow frame member as the suspension member 4 in FIG. In this case, the nut 4a for attaching the hollow frame member to the slider 3 is unnecessary, and the spring member 5b directly contacts the slider 3. Also,
As shown in FIG. 4, by suspending using the wire member 4 ′, a plurality of the sliders 3 and the suspending members 4 are provided, and the display device 1 can be suspended by the plurality of suspending members 4. . 4 shows an example in which the rail 2 of FIG. 4 has a cross-shaped connecting member 2e in the center,
When the slider 3 moves across the open groove 2a of the cross-shaped connecting member 2e by crossing, at least two balls 3a are formed so as to always ride on the traveling path 2b. It can move stably without rattling. In the example shown in the figure, the slider 3 can be moved in the front-rear direction while moving at the position of the cross-shaped connecting member 2e, and can be moved in the front-rear direction after rotating the slider 3. You may. Note that a plurality of sliders 3 and suspension members 4 may be provided on the rail 2 and the display device 1 may be able to run on the rail 2 a plurality of times (not shown). In that case, the cross-shaped connecting member 2
It is also possible to exchange the positions of the plurality of display devices 1 using e.

[0027]

As described above, according to the present invention, a rail arranged on the upper surface along a ceiling or the like, a slider guided and guided by the rail, and a display device or the like mounted on the slider and suspended. A hanging device for a display device comprising a hanging member for lowering, wherein the rail is formed by a hollow rail member having an open groove in which a part of the center of the lower surface is open, and a hollow portion having an internal hollow. Along with the running path on the inner surface of the hollow portion on both sides of the open groove, the slider has a plurality of balls for running on the running path, and the slider is formed so as to run inside the hollow portion. , The suspension member can be mounted by connecting the slider and the display device by inserting it through the open groove, so it can move smoothly along the rails arranged vertically, horizontally, or vertically and horizontally on the ceiling etc. And the display direction also changes. It is possible to provide a suspension device of a suitable display device on a flat display device.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of a hanging device of a display device of the present invention.

FIG. 2 is a perspective view for explaining a connecting portion in the hanging device of the display device of the present invention.

FIG. 3 is a cross-sectional view illustrating a second embodiment of the hanging device of the display device of the present invention.

FIG. 4 is a sectional view of a main part showing a third embodiment of the hanging device of the display device of the present invention.

[Explanation of symbols]

 Reference Signs List 1 display device 2 rail 2a open groove 2b running path 2c connecting portion 2d T-shaped connecting member 2e cross-shaped connecting member 2f screw hole 2g insertion hole 2h concave groove 3 slider 3a, 3b ball 3c rotation holding portion 4 suspension member 4 ' Wire member 4a Nut 5 Brake mechanism 5a Elastic member 5b Spring member 6 Brake release mechanism 6a Connecting member 6b Operation part 7 Screw A Ceiling

Claims (15)

[Claims] 1. A rail disposed on the upper surface in a vertical direction, a horizontal direction, or a vertical and horizontal direction along a ceiling or the like, a slider guided and guided by the rail, and a display board, A suspension device for a display device comprising a suspension member for suspending a flat display device such as a plasma display, wherein the rail has an open groove partially open at the center of the lower surface,
A hollow rail member having an inner hollow portion is provided, and a traveling path for the slider to travel on both sides of the open groove on the inner surface of the hollow portion, wherein the slider travels through the traveling path. A plurality of balls for traveling are formed so as to be able to travel inside the hollow portion, and the suspension member is attached by connecting the slider and the display device through the open groove, A hanging device for a display device, wherein the display device can be moved in a vertical direction, a horizontal direction, or a vertical and horizontal direction along the rail provided on a ceiling or the like. 2. The rail has, at both ends or at least one end thereof, connecting portions for fitting and connecting with other hollow rail members, and connecting the connecting portions to extend the rail. The suspension device for a display device according to claim 1, wherein: 3. A tee for connecting said rails in a T-shape.
3. The hanging device for a display device according to claim 2, further comprising a character-shaped connecting member, wherein the rail is connected and extended in a T-shape. 4. The hanging device for a display device according to claim 2, further comprising a cross-shaped connecting member for connecting the rails in a cross shape, and connecting and extending the rails in a cross shape. 5. The slider according to claim 1, further comprising at least four diagonally disposed rotatable balls on a lower surface in contact with the traveling path for smooth traveling. 5. The suspension device for a display device according to any one of claims 4 to 4. 6. The slider according to claim 1, wherein the slider is provided with at least eight rotatable balls arranged on diagonal and opposite sides for smooth running on a lower surface in contact with the traveling path. 5. A hanging device for a display device according to claim 1, wherein: 7. A plurality of rotatable second rotatable sliders on an upper surface facing the traveling path, in contact with an upper surface inside the rail to prevent the slider from tilting and maintain a horizontal posture. 7. The hanging device for a display device according to claim 1, further comprising a ball. 8. The apparatus according to claim 1, wherein the slider includes a brake mechanism for holding a stop position, and a brake release mechanism for releasing the brake mechanism and traveling. Display device suspension device. 9. The brake mechanism is formed by an elastic member that contacts and presses the inner surface wall of the hollow rail member, and a spring member that presses the elastic member. 9. A lower operating part for releasing the pressing of the spring member, and a connecting member for connecting the operating part and the elastic member.
A suspension device for the display device as described in the above. 10. The hanging of the display device according to claim 1, wherein the running path includes a concave groove for guiding the ball on a surface on which the ball contacts and runs. apparatus. 11. The hanging device for a display device according to claim 1, wherein the hanging member is formed of a hollow frame member. 12. The suspension device according to claim 1, wherein the suspension member is formed of a wire member. 13. The suspension device for a display device according to claim 1, further comprising a plurality of said sliders and said suspension members, wherein said display device is suspended by said plurality of suspension members. 14. The system according to claim 1, wherein the rail is provided with a plurality of the sliders and the suspension members, and the display device can run on the rails a plurality of times.
4. The hanging device of the display device according to 3. 15. The slider according to claim 15, wherein the slider has an outer shape smaller than the narrowest inner diameter of the hollow portion, so that the slider can rotate at an arbitrary position along the rail. 15. The suspension device for a display device according to claim 1, wherein the suspension device is formed in a substantially disk shape.