JP2003091242A - Liquid crystal display stand - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a liquid crystal display stand provided with a declination and elevation angle adjusting mechanism at a low cost. SOLUTION: A connection cylinder 14 is provided on a supporting pipe 12 of the liquid crystal display stand 10, a receiving member 15 for which a fixed side vertical wall 16 is formed by bending work is welded to the peak part and a movable side vertical wall 18 piled up on the fixed side vertical wall 16 is formed by the bending work on a metallic movable member 17 attached to a liquid crystal display panel D. Since the movable side vertical wall 18 is turnably connected to the fixed side vertical wall 16 by a bolt 19 which is a rotary shaft part, a declination and elevation angle of the liquid crystal display panel D can be adjusted. Since the receiving member 15 and the movable member 17 are easily manufactured by the bending work of a metallic plate, the liquid crystal display stand 10 for which the declination and elevation angle can be adjusted is manufactured at a low cost.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a liquid crystal display stand.

[0002]

2. Description of the Related Art In recent years, liquid crystal displays are being applied to applications where cathode ray tubes have been conventionally used, taking advantage of the space saving and light weight of cathode ray tubes. As one of its uses, Japanese Patent Laid-Open No. 175473
There is a display stand for karaoke listed in the publication. In this karaoke display stand,
As shown in FIG. 8, a liquid crystal display panel 4 having an angle adjusting mechanism 3 is provided at the tip of a revolving arm 2 provided on a wall surface 1 in a karaoke box. The angle adjusting mechanism 3 includes a convex sphere 5 on the upper end of the turning arm 2.
Is provided, and the convex sphere portion 5 is fitted into the concave sphere portion 6 provided on the back surface of the liquid crystal display panel to hold the liquid crystal display panel 4 in an adjustable angle.

[0003]

In the angle adjusting mechanism 3 having this structure, the angle of the liquid crystal display panel 4 can be freely adjusted, but since it is composed of the convex spherical portion 5 and the concave spherical portion 6, the convex spherical portion is formed. The manufacturing process for forming 5 and the concave sphere 6 is complicated, which makes the angle adjustment mechanism 3 expensive and the assembly process itself complicated. Further, since there is no angle regulation mechanism for regulating the adjustment angle within a predetermined angle range, the liquid crystal display panel 4 is tilted at a large angle, the angle adjustment mechanism 3 is damaged early, and unnecessary for cables. There was a risk of stress.

The present invention has been completed in view of the above circumstances, and provides a liquid crystal display stand that can be inexpensively constructed and can freely adjust the depression / elevation angle of a liquid crystal display panel within a desired angle range. The purpose is to do.

[0005]

As a means for achieving the above object, the invention of claim 1 is such that a liquid crystal display panel is provided on the upper part of a stand body through a depression / elevation adjusting mechanism so that the angle can be adjusted. In the above, the depression / elevation angle adjusting mechanism includes a receiving member provided at an upper portion of the stand main body and having a pair of vertical walls, a movable member having a pair of vertical walls overlapping with the vertical walls of the receiving member, A horizontal shaft type rotating shaft portion that rotatably connects the vertical wall of the receiving member and the vertical wall of the movable member, and is provided on one of the vertical wall of the receiving member and the vertical wall of the movable member. The liquid crystal display panel is provided with an arc-shaped slit having an arc shape of a predetermined angle about the rotation shaft portion and an angle regulation pin provided in the other and penetrating the arc-shaped slit, wherein the liquid crystal display panel is the movable member of the depression / elevation angle adjusting mechanism. Characterized in place where the structure is provided in the.

According to a second aspect of the present invention, in the first aspect, a screw hole is formed in one of the vertical wall of the receiving member and the vertical wall of the movable member, and the screw hole is formed in the other. Is characterized in that a screw insertion hole corresponding to is formed, and the rotary shaft portion is constituted by a bolt screwed into the screw hole through the screw insertion hole.

According to a third aspect of the present invention, in the first or second aspect, the vertical wall of the receiving member and the vertical wall of the movable member, which is not provided with the arcuate slits, is a vertical wall. Is characterized in that a screw hole is formed in a portion corresponding to the arc-shaped slit, and the angle regulating pin is constituted by a bolt penetrating the arc-shaped slit and screwed into the screw hole.

According to a fourth aspect of the present invention, in any one of the first to third aspects, the receiving member is fitted in a support pipe of the stand body, and the depression / elevation angle adjusting mechanism is vertically arranged. A connecting cylinder is provided which is rotatably supported around an axis, and a stopper portion is provided on the support pipe so as to bulge inward by press working from the outer periphery of the supporting pipe. The connecting cylinder is in contact with the stopper portion. It is characterized in that a rotation regulating pin for regulating the rotation of the depression / elevation angle adjusting mechanism within a predetermined angle range is provided.

According to a fifth aspect of the present invention, in the first or fourth aspect, the receiving member is provided with a microphone holding arm extending in a radial direction from a support pipe of the stand body, and each microphone thereof. It is characterized in that a microphone holder for hooking a microphone is provided at the tip of the holding arm.

According to a sixth aspect of the present invention, in any one of the first to fifth aspects, the receiving member is provided with an adapter accommodating portion for accommodating a power adapter for the liquid crystal display panel. It has a feature in that it exists.

According to a seventh aspect of the present invention, in the first or sixth aspect, the receiving member is provided with a relay box having a microphone jack into which a microphone plug connected to the microphone is inserted. It has a feature in that it exists.

[0012]

<Invention of Claim 1> A receiving member is provided on the upper portion of the stand body, and the vertical wall of the receiving member and the vertical wall of the movable member are connected by a rotary shaft portion, whereby the movable member is It becomes rotatable with respect to the receiving member, and the depression angle of the liquid crystal display panel attached to the movable member can be adjusted.

By adjusting the depression angle, the vertical wall of the receiving member and the vertical wall of the movable member rotate about the rotating shaft in a state of overlapping with each other, and accordingly, the regulation provided on one vertical wall. The pin moves in an arcuate slit provided on the other vertical wall. When the vertical wall rotates until the restriction pin reaches both ends in the arcuate slit, further rotation is restricted.

Since the receiving member and the movable member constituting the depression angle adjusting mechanism are each provided with a pair of vertical walls, they can be easily manufactured, for example, by bending an iron plate or the like. Therefore, it can be provided at a lower cost than the conventional angle adjusting mechanism including the convex spherical portion 5 and the concave spherical portion 6 shown in FIG.

<Invention of Claim 2> A bolt inserted into an insertion hole provided in one of the vertical wall of the receiving member and the vertical wall of the movable member is screwed into a screw hole provided in the other and rotated. A shaft portion is configured to rotatably connect the receiving member and the movable member. As a result, the rotary shaft portion of the depression angle of attack adjustment mechanism can be realized by an inexpensive bolt, and the manufacturing cost can be provided at a lower cost.

<Invention of Claim 3> Since the restriction pin for restricting the rotation angle can be formed by an inexpensive bolt, the manufacturing cost can be further reduced.

<Invention of Claim 4> The receiving member is provided with a connecting tube which is fitted to the support pipe of the stand body to support the depression angle adjusting mechanism rotatably around the vertical axis, and the support pipe is provided with a stopper. A rotation restricting pin engageable with the stopper is provided on the connecting cylinder. The rotation restricting pin moves along the inner circumference of the support pipe when the connecting cylinder rotates with respect to the support pipe, and further rotation is restricted when the connecting cylinder rotates until it engages with the stopper portion. It has become.

Since the rotation of the depression angle of attack adjusting mechanism around the vertical axis is restricted, it is possible to prevent the cable from being twisted and the cable from being stressed by the rotation of the liquid crystal display panel and its supporting member.

<Invention of Claim 5> The receiving member is provided with a microphone holder, and when the liquid crystal display stand is used for karaoke, it is convenient to hold an unused microphone on the stand.

<Invention of Claim 6> The receiving member is provided with an adapter accommodating portion, and when the liquid crystal display held on the stand requires a power adapter, the power adapter can be held on the stand, which is convenient. Is.

<Invention of Claim 7> The receiving member is provided with a relay box having a microphone jack, and when the liquid crystal display stand is used for karaoke,
Cables can be bundled by relaying the cable connected to the microphone. Thereby, the number of cables can be reduced, and the cables can be easily processed, for example, when the cables are passed through the support pipe.

[0022]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the accompanying drawings. LCD display stand 10
The support pipe 12 is fixed to the leg portion 11 so as to extend in the vertical direction. The liquid crystal display panel D is provided on the upper portion of the support pipe 12, and the display contents of the liquid crystal display panel D when the user stands up. You can see.

As shown in FIG. 1, the support pipe 12 is composed of, for example, a lower pipe 12B and an upper pipe 12A made of metal and having different diameters. The lower pipe 12B is fixed to the leg portion 11, and the upper pipe 12A is It is fixed to the lower pipe 12B via a connecting member 27. The connecting member 27 fixes the upper pipe 12A and the lower pipe 12B with bolts 28, and loosens the bolts 28 to move the upper pipe 12A up and down with respect to the lower pipe 12B, thereby raising and lowering the liquid crystal display panel D. The position can be adjusted.

As shown in FIGS. 5 and 6, a connecting tube 14 is fitted on the outer side of the upper portion of the support pipe 12. The connecting cylinder 14 is formed so that its top portion is lowered rearward, and the receiving member 15 is welded thereto. The receiving member 15 is formed by pressing an iron plate, for example, and is provided with a pair of fixed side vertical walls 16 on both sides of its lower portion as shown in FIG. The hole 16A is provided. The receiving member 15 is provided at its center with a hole 15A that is continuous with the inside of the connecting cylinder 14, and a cable C extending from the liquid crystal display panel D or the like can be inserted into the hole 15A.

On the other hand, the movable member 17 is provided with a mounting frame portion which is directed to the center of the rear surface of the liquid crystal display panel D, and a pair of movable side vertical walls 18 formed on both sides of the lower portion thereof. When the liquid crystal display panel D is attached to the movable member 17, the nameplate P of the liquid crystal display panel D is visible through the opening of the movable member 17.
(See Figure 2)

As shown in FIGS. 2 and 6, the movable side vertical wall 18 is provided so as to overlap the outside of the fixed side vertical wall 16 of the receiving member 15, and the bolt is inserted into the upper front portion of the movable side vertical wall 18. In addition to having the hole 18A, the bolt 19 inserted through the bolt insertion hole 18A is inserted through the screw hole 16A of the fixed-side vertical wall 16 to rotatably support the movable member 17. An arcuate slit 18B is provided in the lower rear part of the movable side vertical wall 18 around the bolt insertion hole 18A. Fixed side vertical wall 1
6 has a screw hole 16 in the portion corresponding to the arc-shaped slit 18B.
B is provided, and the bolt 20 inserted into the arc-shaped slit 18B is screwed into the screw hole 16B.

As shown in FIGS. 4 and 5, inside the connecting cylinder 14, a rotation restricting bolt 21 as a rotation restricting pin is separated from the connecting cylinder 14, and the tip of the rotation restricting bolt 21 is parallel to the axial direction thereof. It is welded at its head so as to face downward, and a stopper 22 that bulges toward the inner periphery of the support pipe 12 is provided at the upper end of the support pipe 12 by press molding from the rear outer periphery side. There is.

Further, a screw hole 14A is provided in a substantially central portion of the rear side of the connecting cylinder 14, and a fixing bolt 23 having a knob made of resin is screwed into the screw hole 14A.

As shown in FIGS. 2 and 3, an arm fixing plate 24 is provided at the rear portion of the receiving member 15 so as to be parallel to the axial direction of the connecting cylinder 14 and extend downward. An arm 25 extending in the lateral direction is fixed to the arm fixing plate 24 with bolts 26. Both ends of the arm 25 are directed obliquely rearward, and a pair of substantially C-shaped microphone holders 30 are provided. The microphone M can be held.

A basket-shaped power supply adapter holder 40 is provided on the right rear surface of the arm 25, and a box-shaped power supply adapter A can be held therein.

A mounting plate 50 is horizontally welded to the left rear surface of the arm 25, and a microphone jack relay box B having a microphone jack J can be fixed thereto.

The present embodiment is configured as described above, and its operation will be described. As shown in FIG. 6, a bolt 19 inserted into a bolt insertion hole 18A provided in the movable vertical wall 18 is screwed into a screw hole 16A provided in the fixed vertical wall 16,
The movable member 17 is rotatably connected to the receiving member 15. Thereby, the depression angle of the liquid crystal display panel D attached to the movable member 17 can be adjusted.

Further, the bolt 20 is inserted into the arcuate slit 18B provided in the movable vertical wall 18, and the fixed vertical wall 1
6 is screwed into a screw hole 16B. Since the movable vertical wall 18 can be fastened and fixed to the fixed vertical wall 16 with the bolt 20, the liquid crystal display panel D can be fixed at an angle that is easy to see.

As shown by the solid line in FIG. 6, when the liquid crystal display panel D and the movable member 17 rotate to the front, the front edge of the arcuate slit 18B abuts the bolt 20,
The movable member 17 is restricted from rotating forward from that angle. On the other hand, when the liquid crystal display panel D and the movable member 17 are rotated to the rearmost side as shown by the one-dot chain line in the figure, the rear end of the arc-shaped slit 18B abuts the bolt 20, and the movable member 17 is deeper than the angle. Rotation to the side is restricted. Therefore, since the rotation range of the movable member 17 is restricted within the range in which the arcuate slit 18B can move with respect to the bolt 20, the cable C connected to the liquid crystal display panel D is not stressed.

As shown in FIGS. 5 and 6, the receiving member 15 is welded to the connecting pipe 14 and the connecting pipe 14 is fitted to the support pipe 12. As a result, the liquid crystal display panel D supported on the receiving member 15 is rotatable about the axis of the support pipe 12. Further, the connecting cylinder 14 is provided with a fixing bolt 23, and by tightening the fixing bolt 23, the connecting cylinder 14 can be fixed to the support pipe 12. Therefore, the direction in which the liquid crystal display panel D faces can be adjusted.

The rotation restricting bolt 21 is provided in front of the inside of the connecting cylinder 14, and when the liquid crystal display panel D faces the front of the support pipe 12, the rotation restricting bolt 21 is at the position shown by the solid line in FIG. That is, it is located on the opposite side of the fixing bolt 23. When the liquid crystal display panel D and the connecting tube 14 are turned counterclockwise when viewed from above with respect to the support pipe 12, the rotation regulating bolt 21 reaches the position indicated by the alternate long and short dash line and contacts the stopper 22, and further turning is prevented. Regulated. On the other hand, when turning clockwise, the rotation restricting bolt 21 reaches the position of the chain double-dashed line and the stopper 2
2 is abutted, and further turning is restricted.

As a result, the connecting cylinder 14 is supported by the support pipe 12
On the other hand, the cable C from the liquid crystal display panel D or the like is not twisted because it is only rotated from the front to the right and left by less than 180 °, and the stress is prevented from being applied to the cable C.

The receiving member 15 is provided with an arm 25 extending in the lateral direction of the support pipe 12, and a microphone holder 30 is provided at the tip thereof. As a result,
As shown in FIG. 3, the microphone holder 30 is located on the side of the liquid crystal display panel D so that the liquid crystal display panel D does not hinder the holding of the microphone M.
0 is easy to use.

The arm 25 includes a power adapter holder 40.
Is provided, and when the liquid crystal display panel D requires the power supply adapter A, the power supply adapter A can be held, which is convenient.

The arm 25 can be further provided with a microphone jack relay box B. When used for karaoke, a plurality of microphones M
Is generally held on a stand, so that cables E from a plurality of microphones M can be relayed to reduce wiring around the liquid crystal display stand 10.

In the present embodiment, the receiving member 15, the fixed side vertical wall 16 and the arm fixing plate 24 can be easily formed by punching and bending one iron plate into a shape in which the receiving member 15, the fixed side vertical wall 16 and the arm fixing plate 24 are expanded. The screw holes may be threaded in to form the screw holes 16A and 16B. In the same manner, the movable member 17 and the movable vertical wall 18 can be formed, and the connecting cylinder 1
4. The formation of the power adapter holder 40 and the mounting plate 50 is also the same.

Since the members formed as described above can be assembled by welding or fixing them by bolts, it is possible to provide the liquid crystal display stand 10 which can be adjusted at a low angle while adjusting the depression angle.

Further, in the present embodiment, the movable member 1 and the rotary shaft portion that rotatably connects the movable member 17 to the receiving member 15.
The angle regulating bolt that regulates the rotation range of 7 and the bolt 1
Since it is composed of 9 and 20, the liquid crystal display stand 10 capable of adjusting the depression angle can be provided at a lower cost.

<Other Embodiments> The present invention is not limited to the embodiments described above and illustrated in the drawings. For example, the following embodiments are also included in the technical scope of the present invention. In addition to the above, various modifications can be made without departing from the scope of the invention.

(1) In this embodiment, the example in which the receiving member 15 and the movable member 17 are formed by bending the metal plate has been shown, but they may be formed of resin.

(2) In the present embodiment, an example in which the angle regulating pin is composed of the bolt 20 has been shown, but the angle regulating pin can be easily adjusted by using a bolt provided with a knob formed of resin or the like. can do.

[Brief description of drawings]

FIG. 1 is a front view of a liquid crystal display stand according to the present invention.

FIG. 2 is a perspective view of the upper portion of the liquid crystal display stand according to the present invention from the upper rear side.

FIG. 3 is a front view of the upper portion of the liquid crystal display stand according to the present invention.

FIG. 4 is an exploded perspective view of an upper portion of a liquid crystal display stand according to the present invention.

5 is a sectional view taken along line VV in FIG.

FIG. 6 is a side view of the upper portion of the liquid crystal display stand according to the present invention.

7 is a cross-sectional view of the support pipe and the connecting tube taken along the line VII-VII in FIG.

FIG. 8 is a plan view showing a conventional liquid crystal display stand.

[Explanation of symbols]

10 ... Liquid crystal display stand 12 ... Support pipe 14 ... Connection tube 15 ... Receiving member 16 ... Fixed side vertical wall 17 ... Movable member 18 ... Movable side vertical wall 19 ... Bolt D: Liquid crystal display panel

Claims (7)

[Claims] 1. A liquid crystal display panel is provided on an upper part of a stand body through a depression / elevation angle adjusting mechanism so that the angle of the liquid crystal display panel can be adjusted. The depression / elevation adjusting mechanism is provided on an upper part of the stand body. A receiving member having a wall, and a movable member having a pair of vertical walls superimposed on the vertical wall of the receiving member,
A horizontal shaft type rotary shaft portion that rotatably connects the vertical wall of the receiving member and the vertical wall of the movable member, and is provided on one of the vertical wall of the receiving member and the vertical wall of the movable member. The liquid crystal display panel is provided with an arc-shaped slit having an arc shape of a predetermined angle around the rotation shaft portion and an angle regulation pin provided in the other and penetrating the arc-shaped slit, and the liquid crystal display panel is the movable member of the depression / elevation angle adjusting mechanism. A liquid crystal display stand that is provided on the side. 2. A screw hole is formed in one of the vertical wall of the receiving member and the vertical wall of the movable member, and a screw insertion hole corresponding to this screw hole is formed in the other, and the screw insertion hole is formed. 2. The liquid crystal display stand according to claim 1, wherein the rotary shaft portion is configured by a bolt screwed into the screw hole through. 3. A screw hole is formed in a portion of the vertical wall of the receiving member and the vertical wall of the movable member that is not provided with the arcuate slits, at a portion corresponding to the arcuate slits. The liquid crystal display stand according to claim 1, wherein the angle regulation pin is configured by a bolt that penetrates the slit and is screwed into the screw hole. 4. The receiving member is provided with a connecting cylinder that is fitted to a support pipe of the stand body to support the depression / elevation angle adjusting mechanism so as to be rotatable about a vertical axis. A stopper portion is provided so as to bulge inward by press working from the outer periphery, and a rotation regulating pin for contacting the stopper portion and regulating the rotation of the depression / elevation angle adjusting mechanism within a predetermined angle range is provided on the connecting cylinder. The liquid crystal display stand according to claim 1, wherein the liquid crystal display stand is provided. 5. The receiving member includes a microphone holding arm extending in a radial direction from a support pipe of the stand body, and a microphone holder for hooking a microphone is provided at a tip end of each microphone holding arm. The liquid crystal display stand according to claim 1, wherein the liquid crystal display stand is a liquid crystal display stand. 6. The liquid crystal display according to claim 1, wherein the receiving member is provided with an adapter housing portion for housing a power adapter for the liquid crystal display panel. stand. 7. The receiving member is provided with a relay box including a microphone jack into which a microphone plug connected to a microphone is inserted.
7. The liquid crystal display stand according to claim 6.