KR20040062728A - Flat panel video display tilting system - Google Patents

Abstract

PURPOSE: A device for adjusting an angle of a PDP(Plasma Display Panel) with a ceiling hanging type is provided to freely and safely adjust a watching angle of the PDP. CONSTITUTION: A PDP(1) is fixed on a set bracket(2). A shaft bracket(8) is combined with a rear surface of the set bracket(2). A long hole(11) formed in the shaft bracket(8) adjusts an angle. A fixed axis(10) is combined with the long hole(11). An adjustment bolt axis is orthogonal and protruded. An adjustment handle(13) is combined with a front-end of the adjustment bolt axis. A ceiling bracket(3) has connection rods(5,6) and a fixed plate(4). The connection rods(5,6) are combined with the shaft bracket(8) by a rotation axis(13), and the fixed axis(10) is penetrated in a lower end of the connection rods(5,6). The connection rods(5,6) rotates and moves the shaft bracket(8) within a range limited by the long hole(11) according to the rotation of the adjustment handle(13). The fixed plate(4) fixes an upper end of the connection rods(5,6) to the ceiling.

Description

FLAT PANEL VIDEO DISPLAY TILTING SYSTEM}

The present invention relates to an angle adjusting device of a flat panel video display device. In particular, the viewing angle can be safely and freely adjusted in a ceiling-hung type PDP TV fixing device for hanging and watching a thin flat panel video display device such as a PDP TV. It relates to an angle adjusting device of a ceiling-mounted flat panel video display device.

Among flat-panel video display devices, especially PDP TVs have been spotlighted as large-screen thin video display devices. In the case of PDP TV, various forms of mounting can be realized, and the picture quality is excellent and the visibility as a large screen is widely used in general places as well as public places, exhibitions, and video advertisement devices.

In particular, PDP TV can be installed on the wall or suspended from the ceiling as well as simple mounting. In public places or exhibitions, PDP TVs are often suspended from the ceiling to ensure sufficient level of visibility for many viewers.

However, since PDP TVs are large and large enough to implement large screens, they can be overcome by problems of safety when they are installed on a ceiling and installed in a stable and stable manner. Therefore, most existing ceiling-mounted PDP TVs are installed using high-strength materials such as metal rods, brackets and bolts.

In addition, in the case of a ceiling-mounted PDP TV, viewers should look up the device, and in order to secure visibility, it is not only necessary to adjust the proper installation angle corresponding to the viewer's eye, but also the installation angle is It should be freely adjustable according to the purpose and situation. In particular, the adjustment of the angle is a very important problem, as well as the free adjustment of the angle, it must remain firmly fixed at a certain angle once adjusted, the PDP TV suspended from the ceiling during the angle adjustment, or partially or from the fixing device Safety should be raised against risks such as total departure. In addition, it should be easy to handle the device suspended from the ceiling because the PDP TV should be sufficiently prevented from falling or falling due to its own weight when adjusting the angle by its weight as much as implementing a large screen.

SUMMARY OF THE INVENTION An object of the present invention is to provide an angle adjusting device for a ceiling-mounted flat panel image display device that can freely and safely adjust the installation and viewing angle of a ceiling-mounted image display device.

In particular, the present invention is easy to adjust the angle of the installation and viewing angle of the PDP TV to be installed suspended from the ceiling and overcome the safety problems such as dropping or dropping by the weight of the device, can be freely adjusted at various angles It is an object of the present invention to provide an angle adjusting device for a ceiling-mounted flat panel video display device.

1 is a perspective view schematically showing the structure of a video display device ceiling hook device according to a first embodiment of the present invention

Figure 2 is a cross-sectional view showing the detailed structure of the angle adjustment mechanism portion in the video display device ceiling hanger according to the first embodiment of the present invention

3 is a cross-sectional view illustrating an angle adjustment operation in the ceiling display device of the video display device according to the first embodiment of the present invention.

4 is a cross-sectional view showing the detailed structure of the angle adjustment mechanism in the image display device ceiling hanger according to a second embodiment of the present invention

5 is a view showing the structure and the angle adjustment operation of the image display device ceiling hook device according to a third embodiment of the present invention

<Explanation of symbols for the main parts of the drawings>

1: PDP 2: Set Bracket

3: ceiling bracket 4: fixing plate

5: first connecting rod 6: second connecting rod

7: combined sleeve 8: axial bracket

9: rotating shaft 10: fixed shaft

11: Long hole 12: Bracket tightening bolt

13: adjusting knob 17a, 17b: guide bush

18: Bolt Shaft Sleeve 19: Adjustable Bolt Shaft

20: Locking Pin

In order to achieve the above object, an angle adjusting device for a ceiling-mounted flat panel image display device includes: a set bracket to which a flat panel image display device is fixed; A axial bracket coupled to the rear surface of the set bracket, an angular adjustment hole formed in the axial bracket, a fixed shaft coupled to the long hole, an adjustment bolt shaft protruding orthogonally from the fixed shaft, and an end of the adjustment bolt shaft An adjustment knob coupled; A connecting rod coupled to the shaft bracket by a rotating shaft and the fixed shaft penetrates a lower end thereof so that the bracket is rotated within a range limited by the long hole according to the rotation of the adjustment knob, and for fixing the upper end of the connecting rod to the ceiling. A ceiling bracket including a fixing plate; Characterized in that the configuration.

In addition, in the angle adjusting device of the ceiling-mounted flat panel display device of the present invention, the fixed shaft is coupled to both ends of the fixed bracket by a guide bush so as not to be separated from the long hole of the bracket, and wraps around the central portion of the fixed shaft. The control bolt shaft is protruded from the bolt shaft sleeve, characterized in that the control knob is fastened to its tip.

In addition, in the angle adjustment device of the ceiling-mounted flat panel image display device of the present invention, the adjustment bolt shaft is integral with the adjustment knob, the fixed shaft is coupled so that both ends are not separated from the long hole of the bracket bracket by the guide bush. , The nut portion formed on the bolt shaft sleeve surrounding the central portion of the fixed shaft and the adjustment knob integrated bolt shaft is characterized in that to adjust the rotation angle.

In addition, in the angle adjusting device of the ceiling-mounted flat panel image display device of the present invention, the fixed shaft is coupled to both ends of the fixed shaft by a guide bush so as not to deviate from the long hole of the bracket bracket, the bolt shaft sleeve surrounding the central portion of the fixed shaft The control bolt shaft is protruded and the control knob is fastened to the front end, the control knob is provided with a handle bush is characterized in that coupled to the control bolt shaft by a nut.

In addition, in the angle adjustment device of the ceiling-mounted flat panel image display device of the present invention, in order to prevent deviation of the adjustment knob coupled to the adjustment bolt shaft tip, the locking pin is coupled to the adjustment bolt shaft tip to adjust the unidirectional angle by its own weight. Characterized in that made.

Referring to the accompanying drawings, the angle adjusting device of the ceiling-mounted flat panel display device of the present invention for achieving the above object will be described the configuration and operation for each embodiment as follows.

Example 1

1 shows a structure of a ceiling hanger of a flat panel image display device according to the present invention. The PDP 1 is fixed to the set bracket 2 and the set bracket 2 is coupled to the ceiling bracket 3. The ceiling bracket 3 includes a fixing plate 4, a first connecting rod 5, a second connecting rod 6 and a coupling sleeve 7 for coupling the connecting rods 5 and 6 to each other, and an installation angle adjusting mechanism Achieve brackets (8), rotating shaft (9), fixed shaft (10), long hole (11), bracket fastening bolt (12), adjustment knob (13) as a main element to achieve.

As a method of fixing the PDP 1 to the set bracket 2, a coupling method using a bolt or a nut may be used. The fixed plate 4 is attached to the ceiling using bolts and nuts to suspend the entire fixture and the PDP on the ceiling. The first connecting rod 5 and the second connecting rod 6 are fastened to the fixed plate 4 using the coupling sleeve 7. The lower end of the second connecting rod 6 is fixed to the bearing bracket 8 using the rotation shaft 9. The bracket bracket 8 is fastened by using the bolt 12 on the rear surface of the set bracket 2 in a state in which the lower end of the second connecting rod 6 is fixed, thereby binding the set bracket and the ceiling bracket to each other.

The height of the first connecting rods 5 and the second connecting rods 6 is fixed to the ceiling by elastically adjusting the length by using the coupling sleeve 7. The method of fastening the connecting rods using a coupling sleeve may apply an existing screw coupling structure. In addition, an application using two or more of the connecting rods is possible, and in the case of using only one, there may be a restriction that the selection of the installation height is not free. Embodiments using only connecting rods are also possible.

In addition, a long hole 11 is formed in the axial bracket 8 so that the fixed shaft 10 is inserted and movable within a predetermined angle range, and penetrates the lower end of the long hole 11 and the second connecting rod 6. The fixed shaft 10 is fixed.

Figure 2 shows a detailed configuration of the angle adjustment mechanism portion in the first embodiment of the present invention of FIG. As described above, the bracket bracket 8 is fastened to the set bracket 2, and the bracket bracket 8 includes rotation angle adjusting elements including a fixed shaft 10, an adjustment knob 13, and a long hole 11. Are combined.

That is, the fixed shaft 10 is fixed so as not to be separated by engaging the washer 14, the nut 15 and the fixing pin 16 through the long hole 11 of the bracket bracket 8 at its tip. Guide bushes 17a and 17b inserted into the long hole 11 are inserted into both ends of the shaft 10 to allow the fixed shaft 10 to be moved in the long hole 11 by the length of the long hole 11. In the middle part of the fixed shaft 10, the bolt shaft sleeve 18 is fastened, and the adjusting bolt shaft 19 integrated in the bolt shaft sleeve 18 protrudes to the rear surface of the bracket bracket 8, and the front end thereof. The adjustment knob 13 is coupled to.

The adjustment knob 13 has an axially penetrating bolt hole 13a formed with a threaded portion for the bolt shaft 19 to be inserted therein, and a handle bush 13b is integrated. The washer 20 and the nut 21 are fastened between the adjustment bolt shaft 19 and the shaft bracket 8 so as not to be separated when the adjustment knob 13 is rotated.

1 and 2 described above, the ceiling hanger of the flat panel display device according to the present invention combines the set bracket (2) and the ceiling bracket (3) to which the PDP (1) is fixed. Lowering the connecting rods (5, 6) from the bracket (3) and the structure of the adjustment of the viewing angle and the installation angle freely with the adjustment knob (13) using the rotating shaft (9), the fixed shaft (10) and the guide hole (11) to be.

Figure 3 shows the rotation angle adjustment operation. As the adjusting knob 13 is rotated clockwise or counterclockwise, the adjusting bolt shaft 19 is pulled or pushed out, and thus the fixed shaft connected to the adjusting bolt shaft 19 by the bolt shaft sleeve 18. (10) will be forced to move forward or backward on this long hole (11).

However, since the fixed shaft 10 is fastened to the lower end of the second connecting rod 6, when the fixed shaft 10 receives the force to move forward or backward along the long hole 11, the lower end of the second connecting rod 6 Is forced to pivot about the axis of rotation 9.

Since the angle of turning about the axis of rotation 9 depends on the length of the long hole 11, the range of the angle of rotation will be limited according to the length of the long hole 11, and the second connecting rod 6 about the axis of rotation 9 will be limited. When the force of the lower end of the force is to turn, the second connecting rod (6) is fixed to the ceiling by the upper coupling sleeve (7) and the first connecting rod (5), so the rotational force of the adjustment knob (13) The element actually moving by means of the bracket bracket 8, the set bracket (2) fastened to the bracket bracket (8) is rotated about a rotation axis (9) by a predetermined angle.

Accordingly, when the adjustment knob 13 is turned, the bracket bracket 8 is rotated at a predetermined angle by the interaction of the long hole 11 and the fixed shaft 10 about the rotation shaft 9, and as shown in FIG. The viewing angle and the installation angle of (1) are changed.

In the first embodiment of the present invention, the length of the long hole 11 and the like are set so that the viewing angle and the installation angle of about 0 to 25 degrees can be adjusted.

In the first embodiment of the present invention, the bushing 13b is integrally formed on the adjustment knob 13, and a screw thread is formed on the outside thereof to form a structure in which the nut 21 is used to firmly fasten the axial bracket 8. Accordingly, as the adjusting knob 13 is rotated, its installation and viewing angle can be adjusted in both directions between the 0 degree and 25 degree ranges, and the nut 21 is coupled to the adjusting bolt shaft 19. Since it is possible to make a fine angle adjustment when rotating the adjustment knob 13, in particular the departure of the adjustment knob 13 is prevented.

4 is a cross-sectional view showing the detailed structure of the angle adjustment mechanism portion in the video display device ceiling hanger according to the second embodiment of the present invention.

In the angle adjusting mechanism according to the second embodiment of the present invention, in the first embodiment of the present invention, the adjustment knob 13 has a structure in which the bolt shaft 13a is integrally formed.

As such, the adjusting knob 13 is integrally formed with the adjusting bolt shaft 13a, and the tip of the adjusting bolt shaft 13a is screwed together while passing through the fixing shaft 10 at an orthogonal angle (sleeve 18). To the bolt shaft 13a).

Therefore, when the adjusting knob 13 is rotated, the adjusting bolt shaft 13a integrally therewith rotates, and the fixed shaft 10 screwed with the adjusting bolt shaft 13a is described above according to the bolt-nut coupling structure. As you will see the power (11) to move forward or back is forced. Therefore, even with this structure, the axial bracket 8 is freely bidirectionally moved within a predetermined angle range about the rotation shaft 9, and thus the installation and adjustment of the rotation angle of the PDP 1 can be performed.

FIG. 5 is a cross-sectional view illustrating a structure of an image display device ceiling hook device according to a third embodiment of the present invention. The locking pin 20 is disposed at the tip of the adjustment bolt shaft 19 to prevent the adjustment knob 13 from being separated. ) Is a structure using.

Looking at the structure, the PDP (1) is fixed to the set bracket (2) and the set bracket (2) is coupled to the ceiling bracket (3). The ceiling bracket 3 includes a fixing plate 4, a first connecting rod 5, a second connecting rod 6 and a coupling sleeve 7 for coupling the connecting rods 5 and 6 to each other, and an installation angle adjusting mechanism Achieve bracket 8, the rotating shaft 9, the fixed shaft 10, the long hole 11, the adjustment knob 13 and the locking pin 20 to achieve the element.

As a method of fixing the PDP 1 to the set bracket 2, a coupling method using a bolt or a nut may be used. The fixed plate 4 is attached to the ceiling using bolts and nuts to suspend the entire fixture and the PDP on the ceiling. The first connecting rod 5 and the second connecting rod 6 are fastened to the fixed plate 4 using the coupling sleeve 7. The lower end of the second connecting rod 6 is fixed to the bearing bracket 8 using the rotation shaft 9. The bracket bracket 8 is fastened by using a bolt to the rear surface of the set bracket 2 in a state in which the lower end of the second connecting rod 6 is fixed, and the set bracket and the ceiling bracket are coupled to each other.

In addition, a long hole 11 is formed in the axial bracket 8 so that the fixed shaft 10 is inserted and movable within a predetermined angle range, and penetrates the lower end of the long hole 11 and the second connecting rod 6. The fixed shaft 10 is fixed.

In the third embodiment of the present invention of FIG. 5, the angle adjustment is performed as described above by rotating the adjustment knob 13. In the third embodiment of the present invention, however, the locking function when the angle adjusting knob 13 is rotated after installing the set to adjust the viewing angle of the PDP 1 depends on the pin 20. The angle is controlled by the set weight.

That is, when the adjustment knob 13 is rotated, the binding is released, and the angle of the bracket bracket 8 and the set bracket 2 -PDP 1 connected thereto is controlled by the interaction of the long hole 11 and the fixed shaft 10. It is a structure inclined by its own weight. To adjust the angle in the opposite direction, the angle adjusting knob 13 should be rotated and the set bracket 2 should be pulled by hand to adjust the angle. In other words, the ceiling hook angle adjusting device of the flat panel image display device according to the third embodiment of the present invention has a structure in which unidirectional adjustment is performed by self-weight, and the reverse adjustment uses the adjusting knob 13 while pulling the set bracket directly by hand. To fix at a predetermined angle.

The present invention provides a device capable of freely adjusting the viewing and installation angles to an optimal viewing state when a flat image display device such as a PDP TV is suspended from a ceiling. In addition, the present invention provides a device that can freely adjust the viewing and installation angle in one or two directions when the flat image display device is suspended and installed on the ceiling.

In particular, the angle adjusting device of the ceiling-mounted flat panel image display device of the present invention is capable of fine angle adjustment, and by overcoming the risk that the set is separated or dropped during the angle adjustment, it is possible to adjust the device angle based on high safety.

Claims (5)

A set bracket to which the flat image display device is fixed; A axial bracket coupled to the rear surface of the set bracket, an angular adjustment hole formed in the axial bracket, a fixed shaft coupled to the long hole, an adjustment bolt shaft protruding orthogonally from the fixed shaft, and an end of the adjustment bolt shaft An adjustment knob coupled; A connecting rod coupled to the shaft bracket by a rotating shaft and the fixed shaft penetrates a lower end thereof so that the bracket is rotated within a range limited by the long hole according to the rotation of the adjustment knob, and for fixing the upper end of the connecting rod to the ceiling. A ceiling bracket including a fixing plate; Angle adjustment device of the ceiling-mounted flat panel video display device, characterized in that consisting of. The fixed shaft of claim 1, wherein both ends of the fixed shaft are coupled to the long hole of the bracket by the guide bush, and the adjusting bolt shaft protrudes from the bolt shaft sleeve surrounding the central portion of the fixed shaft. An angle adjusting device of the ceiling-hung flat panel display device, characterized in that the handle is fastened. The bolt shaft of claim 1, wherein the adjustment bolt shaft is integral with the adjustment knob, and the fixed shaft is coupled to the bolt shaft sleeve at both ends thereof so as not to be separated from the long hole of the bracket by the guide bush and surrounding the central portion of the fixed shaft. The angle adjusting device of the ceiling-mounted flat panel image display device, characterized in that the formed nut part and the adjustment knob integrated bolt shaft are adjusted to adjust the rotation angle. The fixed shaft of claim 1, wherein both ends of the fixed shaft are coupled to the long hole of the bracket by the guide bush, and the adjusting bolt shaft protrudes from the bolt shaft sleeve surrounding the central portion of the fixed shaft. A handle is fastened, and the adjustment knob is provided with a handle bush and the angle adjusting device of the ceiling-mounted flat panel display device, characterized in that coupled to the adjustment bolt shaft by a nut. According to claim 1, Ceiling mount type flat-panel image display device characterized in that the locking pin is coupled to the adjustment bolt shaft end to prevent the deviation of the adjustment handle coupled to the adjustment bolt shaft end to adjust the unidirectional angle by its own weight. Angle adjuster.