WO2012141525A2

WO2012141525A2 - Fixing frame for led display

Info

Publication number: WO2012141525A2
Application number: PCT/KR2012/002813
Authority: WO
Inventors: 채준석
Original assignee: Chae Jun Seok
Priority date: 2011-04-15
Filing date: 2012-04-13
Publication date: 2012-10-18
Also published as: KR101067769B1; WO2012141525A3

Abstract

The present invention relates to a fixing frame for an LED display. To this end, the present invention relates to the fixing frame for the LED display, comprising: a rectangular frame formed by left and right vertical members being coupled to the front of each of the ends on both sides of upper and lower horizontal members; guide support pieces provided at the ends thereof with an arc-shaped sector concave portion, which are coupled to each of the ends on both sides of the left and right vertical members; sector convex portions of upper and lower movement guide members, which are slidably supported on each of the sector concave portions of the upper and lower guide support pieces; bar coupling pieces, which are formed at the other side of sector pieces of the upper and lower movement guide members; and left and right angle adjustment connection bars, which are connected to bar coupling pieces of the upper and lower movement guide members on the upper and lower movement guide members. The fixing frame for the LED display further comprises: angle round bars, the upper and lower portions of which are coupled to the both ends of the upper and lower horizontal members; guides rods, which are integrally formed at both ends of the angle round bars; an arc-shaped guide groove, which is formed on the sector pieces of the upper and lower guide members, and which is penetrated by the guide rods; unlocking parts, which are provided on the upper and lower portions of the angle round bars, wherein the unlocking parts comprise an angle lock nut, which is provided on the guide rods on both sides, and knob cams, which are hinge-coupled to a through-hole that is formed on both ends of the angle round bars, so that by rotating a knob of each of the upper and lower knob cams in the direction of the angle round bars, the angle lock nuts move upward and downward, thereby the angle adjustment connection bar being fixed to the ends of both sides of the rectangular frame.

Description

LED display fixed frame

The present invention relates to an LED display fixing frame, in particular an angle lock bar coupled to the upper and lower rotation guide member on both sides of the square frame is an angle lock nut is moved in the axial direction by a knob cam coupled to the angle round. To be fixed in position.

In general, a multi-vision system uses a display device such as a CRT or LCD as a unit and arranges the display devices in a plurality of rows and columns to form a large screen. A different screen is displayed on each unit display device or a single screen is displayed. Refers to a device that is divided and displayed on a unit display device.

Multi-vision display devices include products such as a multi-cube equipped with a transmissive screen and a projector in a box of a predetermined size, a multi-cube using an LCD monitor, a multi-cube using a DLP, and the like through an initial multi-vision using a CRT CRT tube.

Multivision systems are becoming increasingly important as visual information delivery devices in various fields such as broadcast programs, large stages, big events, concerts, and brand presentations.

Such a multi-vision system may be used for fixed installation, such as indoor and outdoor electronic signboards, but is generally used for rental of repeating installation and dismantling on a large screen having a predetermined size and shape as needed in a performance hall or an event event.

However, the multi-vision display device has a structure including a box-shaped frame having a predetermined width and length, and requires a separate large installation space when a plurality of display devices are arranged in a row to form a large screen. Due to the large weight and volume of each display device, there was a problem that repeated installation and dismantling operations were not easy.

On the other hand, in recent years, display devices using brighter, lighter and more semi-permanent LEDs are being used as rental multi-visions as well as conventional outdoor display boards, compared to multi-vision displays using CRT, LCD, and DLP. to be.

However, a conventional LED display device has a structure in which the LED module consisting of a plurality of LEDs is formed in a single array on a single LED panel fixing frame, and the fixing frames are horizontally and vertically butted together and detachably coupled with screws. Since the fixed frame must be manufactured according to the change in screen size or change in screen form required for rental, there is a problem that the productivity of the installation screen and the size and shape of the installation screen must be largely limited. .

In addition, the background or the image on the back of the display device cannot be combined, and in the process of being installed to avoid the front of the orchestra or the speaker, it is necessary to adjust the angles between other display devices adjacent to each other in consideration of characteristics such as audiovisual angle and installation structure. There is.

As a method for adjusting the angle, a separate block having a desired angle is used in combination with a portion to give an angle, but a plurality of separate block parts having a desired angle must be provided. There was a limit to the angle adjustment.

In addition, there was a hassle such as fastening the screw to replace the block, there was a problem that wear occurs in the product in the process of removing and fastening the screw.

And there was another problem that the part to give the angle of the labeling device in the process of using a separate block is not solid.

The present invention allows easy coupling and disassembly while the square frame is adjusted at various angles without using separate block parts, thereby reducing the cost, time and manpower for the installation of the square frame. And to prevent wear caused in the process of coupling and dismantling the square frame to extend its life.

In the present invention, the left and right vertical members 120 are coupled to the front sides of the upper and lower horizontal members 110, respectively, to form a square frame 10, and the left and right vertical members 120 at both ends. Guide support pieces 20 having arcuate sector recesses 210 formed therein are coupled to each other, and sector convex portions of the upper and lower pivot guide members 30 to sector recesses 210 of the upper and lower guide support pieces 20. The 310 is supported so as to slide, and the bar coupling piece 330 is integrally formed on the other side of the sector piece 320 of the upper and lower pivot guide members 30, and the upper and lower pivots of the left and right sides are integrally formed. In the LED display fixing frame (A) to which the angle adjustment connecting bar 40 is coupled to the bar coupling piece 330 of the guide member 30, respectively, the angles at the rear of both side ends of the upper and lower horizontal members 110, respectively. The upper and lower portions of the round bar 70 are coupled to each other, and the guide rods 710 are integrally formed at both ends of the angle round bar 70. The upper and lower rotation guide member 30 is penetrated through the arc-shaped guide groove 321 formed in the sector piece 320, the unlocking opening 60 on the upper and lower portions of the angle round bar 70 Is provided, the unlocking opening 60 is formed through the angle lock nut 610 and the opposite ends of the angle round bar 70 provided on both side guide rods 710 of the angle round bar 70 It consists of a knob cam 620 hinged to the hole 701, by rotating the knob 621 of the upper, lower knob cam 620 in the direction of the angle round bar 70, the angle lock nut 610 ) Is moved upwards and downwards so that the angle adjustment connecting bar 40 is fixed to both ends of the square frame 10.

In addition, the angle lock nut 610 of the unlocking tool 60 is made of a combination of the inner iron portion piston 611 and the outer recess portion piston 612, the outer stepped groove 613 of the recess portion piston 612 ), The spring 614 is settled, the washer 615 is provided on the outside thereof.

In addition, the knob cam 620 of the unlocking tool 60 is integrally formed by bending the cam pieces 623 having hinge holes 622 at both ends of the knob 621, respectively, and the two cam pieces 623. Both ends of the angle round bar 70 are inserted between the and is coupled by a hinge pin (624).

The sector piece 320 is provided with a point fixing tool 50 on the other side where the bar coupling piece 330 is formed, and the point fixing tool 50 is a point holder 51 formed integrally with the sector piece 320. And, in the state that the coil spring 55 is fitted on the outside of the point holder 51 Point pin 52 is inserted and the point knob 53 is coupled to the point pin 52 in the interior of the point holder 51, the point holder 51 is the sector piece 320 The hollow guide holder 512 is provided to the pin guide hole 511 formed to extend inward, the pin through hole 513 is formed at the end of the hollow extension holder 512, the pin through hole ( The pin withdrawal catching grooves 514 are formed at both sides of the 513, and the point pins 52 are pins at one side of the pin body 521 which is coupled to the inner circumference of the pin guide hole 511 by an intermediate fit. 522 is formed, a pin rod 523 corresponding to the pin 522 is integrally formed on the other side of the pin body 521, and a female screw portion 524 is formed on the pin rod 523. The point knob 53 has a pin-out catching protrusion inserted into the pin-out catching groove 514 in the knob body 532 where the dish screw catching groove 531 is formed. 533 is formed integrally, and the knob body 532 abuts against the pin rod 523, and is coupled to the countersunk head screw 54, which is caught by the countersunk locking groove 531, and the pin 522. It is characterized in that it is inserted into any one of the plurality of pin grooves 54 formed inside the corner of the square frame (10).

According to the present invention, the angle adjusting bar coupled by the upper and lower pivot guide members to both sides of the square frame is fixed at an arbitrary position by an angle lock nut which is axially moved by a knob cam coupled to an angle round. The square frame is adjusted at various angles without the use of block components, so that easy coupling and disassembly can be achieved.

In addition, this can be more effective to reduce the cost, time and manpower for the installation of the square frame.

And it is possible to obtain the effect of further extending the life by preventing wear caused in the process of coupling and dismantling the square frame.

1 is a perspective view showing an installation state of the LED display fixing frame according to the present invention.

Figure 2 is a perspective view showing a state in which the angle adjustment bar of the LED display fixing frame narrowed in accordance with the present invention.

Figure 3 is a perspective view showing a state in which the angle adjustment bar is widened in the LED display fixing frame according to the present invention.

Figure 4 is an exploded perspective view of the LED display fixing frame according to the present invention.

5 and 6 are an enlarged cross-sectional view and a perspective view of the main portion of the LED display fixing frame according to the present invention.

An embodiment of the present invention will be described with reference to the accompanying drawings.

In the LED display fixing frame A according to the present invention, as shown in FIGS. 1 to 6, the upper and lower pivoting guide members 30 are coupled to the guide support pieces 20 provided in the rectangular frame 10. The angle adjusting connecting bar 40 is coupled to the upper and lower pivoting guide members 30, respectively, and the upper and lower pivoting guide members 30 are angle round bars 70 and angle round bars 70. It is configured to be maintained in a fixed state at any position by the unlocking mechanism 60 provided in.

Here, the rectangular frame 10 has a left and right vertical member 120 is coupled to the front of both ends of the upper, lower horizontal member 110, respectively, is composed of a rectangular shape overall.

The guide support piece 20 is provided with a function that allows the sector piece 320 to be easily rotated while the outer surface of the sector piece 320 is in close contact with the inner surface of the upper and lower horizontal members 110. As a result, an arcuate sector recess portion 210 is formed, and the sector convex portion 310 formed on the sector piece 320 to be described later is inserted in a sliding manner.

The upper and lower rotation guide member 30 is hinged sliding so that the angle adjustment bar 40 is adjusted to an arbitrary angle is formed of a sector piece 320 having a sector convex portion 310 formed therein, The bar coupling piece 330 is integrally formed on one side of the sector piece 320 to have an extended form. In addition, a point fixture 50, which will be described later, is coupled to the other side of the sector piece 320.

The angle adjustment connecting bar 40 is formed to have a flat plate shape and is detachably coupled to each other by the fastener 410 in a state where the other square frame 10 is easily joined to one square frame 10. .

In other words, the left and right vertical members 120 are respectively coupled to the left and right vertical members 120 in front of both ends of the upper and lower horizontal members 110, respectively. Guide support pieces 20 having arcuate sector recesses 210 formed therein are coupled to each other, and sector recesses of the upper and lower pivot guide members 30 are connected to the sector recesses 210 of the upper and lower guide support pieces 20. 310 is configured to slide.

In addition, the bar coupling piece 330 formed on the other side of the sector piece 320 of the upper, lower rotation guide member 30 is coupled to the angle adjustment connecting bar 40, respectively, the angle adjustment bar 40 is coupled On the other side, the support piece 331 is integrally formed and is configured to prevent the inclination when the support piece 331 is standing vertically.

The sector piece 320 is a point fixing tool 50 to be further fixed in a fixed position in the upper and lower rotation guide member 30 together with the unlocking port 60 on the other side formed bar coupling piece 330 It is configured to be provided.

The point fixing tool 50 is a point holder 51 integrally formed in the sector piece 320 and a point pin 52 inserted into the coil spring 55 from the outside of the point holder 51. And a point knob 53 coupled to the point pin 52 inside the point holder 51.

Here, the point holder 51 has a function of maintaining the point knob 53 in the drawn state while allowing the pin body 521 to move in the axial direction through the pin guide hole 511. The hollow extension holder 512 is provided so that the pin guide hole 511 formed in the sector piece 320 extends inwardly, and the pin rod 523 is drawn out at the end of the hollow extension holder 512. The pin through hole 513 is formed, and the pin withdrawal catching grooves 514 are formed at both sides of the pin through hole 513 so that the pin withdrawal catching protrusions 533 can be inserted therein.

In addition, the point pin 52 has a pin 522 formed on one side of the pin body 521 which is coupled to the inner peripheral portion of the pin guide hole 511 by the intermediate fitting, the pin body 521 of the The pin rod 523 corresponding to the pin 522 is integrally formed on the other side, and the female screw part 524 is formed on the pin rod 523.

The point knob 53 is integrally formed with a pin-out catching protrusion 533 inserted into the pin-out catching groove 514 in the knob body 532 on which the dish screw catching groove 531 is formed. The knob body 532 abuts against the rod 523 to be coupled to the countersunk head screw 54, which is caught by the countersunk locking groove 531, so that the pin 522 is positioned inside the corner of the square frame 10. Is inserted into any one of the formed plurality of pin grooves 54 is configured to maintain the state in which the angle adjustment bar 40 is rotated.

The unlocking opening 60 presses the inner surface of the sector piece 320, which is an edge of the guide groove 321, so that the outer surface of the sector piece 320 is formed of the upper horizontal member 110 and the lower horizontal member 110. An angle lock nut 610 and the angle lock nut 610 that are axially movable in a form symmetrical to the upper and lower portions of the angle round bar 70 to have a function of being fixed to the inner surface. ) Is composed of a knob cam 620 for pressing in the axial direction.

The angle lock nut 610 is coupled to the guide rods 710 formed on both sides of the angle round bar 70, respectively, by the intermediate fitting, the knob cam 620 is at both ends of the angle round bar 70 The angle lock nut 610 is hinged to the formed through hole 701 by rotating the knob 621 of the upper and lower knob cams 620 in the direction of the angle round bar 70, respectively. Moved to the angle adjustment bar 40 is configured to be maintained in a fixed state at both ends of the square frame (10).

In addition, the angle lock nut 610 is coupled to the inner iron portion piston 611 and the outer portion of the recess portion 612, the iron portion piston 611 or the yaw portion piston 612 according to the forward or reverse rotation in the axial direction It is configured to extend or shorten the length. To this end, male threads 611-1 are formed at the outer circumferential edge of the iron portion piston 611, and female screws 612-1 are formed at the inner circumferential edge of the recessed piston 612 to be screwed together. Do.

A spring 614 is settled in the outer stepped groove 613 of the recessed piston 612, and a washer 615 is provided on the outer side thereof so that the washer 615 receiving the elastic force of the spring 614 is always a sector piece 320. It is possible to maintain a state of being in contact with the inner surface of the).

In the present invention, the angle lock nut 610 is to have a separate form, but in addition to this form may have an integral form. In this case, when the angle lock nut 610 is integrally formed, it is more preferable to replace the washer with louvering. This can prevent the gap between the angle lock nut 610 and the upper, lower rotation guide member 30 by the elastic force of the louver ring.

In addition, the knob cam 620 is integrally formed by bending the cam pieces 623 having hinge holes 622 at both ends of the knob 621, and the angle round bar (between the two cam pieces 623). Both ends of the 70 are inserted into the hinge holes 622 and the hinge pins 624 inserted into the through holes 701 to be rotatably coupled to each other.

The angle round bar 70 has a function of guiding the guide groove 321 formed in the sector piece 320 and at the same time the fixing force or tightening force of the unlocking tool 60 to act on the sector piece 320 easily. The guide rod 710 to be inserted into the guide groove 321 is formed at both ends to have a stepped shape.

In addition, a through hole 701 having a predetermined diameter is formed at a portion proximate to a portion where the guide rod 710 is formed, and the cam piece 623 is rotatably coupled by a hinge pin 624 described later. have.

In addition, the female screw 711 is formed at the end of the guide rod 710 is configured to be coupled by a bolt (B) through the upper horizontal member 110 and the lower horizontal member 110.

LED display fixing frame having such a configuration, first, the left and right vertical members 120 in front of both sides of the upper and lower horizontal members 110 are coupled to each other by a bolt in a rectangular frame having a rectangular shape ( 10) is provided, and then the outer side of the guide support piece 20 having the sector recess 210 to the inner side of the corner of the rectangular frame 10 to be screwed together.

Next, the center of the hinge hole 622 formed in the knob cam 620 is coincident with the through hole 701 formed in the angle round bar 70, and then the hinge pin 624 is hinge hole 622 and the through hole. The hinge pin 624 is fixed by the stop ring 625 in a state in which it is exposed through the 701.

Next, the angle lock nut 610 is inserted into the guide rods 710 formed at both sides of the angle round bar 70, and then the spring 614 and the washer (614) in the stepped groove 613 formed in the recessed piston 612. The guide rod 710 is inserted into the guide groove 321 formed in each sector piece 320 while the 615 is fitted.

Next, the pin rod 523 having the female threaded portion 524 is inserted through the pin body 521 into which the coil spring 55 is inserted into the pin guide hole 511 of the hollow extension holder 512. Point fixture 50 by engaging the knob body 532 of the point knob 53 against the end of the pin rod 523 in the state to be exposed to the outside through the (513) with a countersunk head screw (54) Will be combined.

Next, each side end of the angle adjustment connecting bar 40 to which the fastener 410 is pre-coupled to the bar coupling piece 330 formed on the sector piece 320 is coupled to each other, and then formed on the sector piece 320. Pressing the sector piece 320 in a state in which one side of the sector convex part 310 is aligned with the sector recess portion 210 side of the guide support piece 20 coupled to the inner side surfaces of the upper and lower horizontal members 110. The convex portion 310 is coupled to the sector recess 210 in a state where it is coupled.

Next, the bolt B penetrating the upper and lower horizontal members 110 is coupled to the female screw 711 formed on the guide rod 710, and then, the LED display LD is coupled to the front of the square frame 10. By doing so, a fixed frame having an LED display can be obtained.

In the LED display fixing frame A obtained through the above process, the angle adjusting bar 40 is kept folded while being stored or transported, as shown in FIGS. 2 and 5. At this time, as the angle adjusting bar 40 is folded, the state in which the knob 621 constituting the knob cam 620 of the unlocking tool 60 is almost in contact with the surface of the angle round bar 70 is maintained. The cam piece 623 presses the iron part piston 611 of the angle lock nut 610, and the recessed part piston 612 on the other side strongly presses the inside of the sector piece 320 so that the outer surface of the sector piece 320 is raised. As the state of the lower horizontal member 110 butted against the inner surface of the lower horizontal member 110 is maintained, the angle adjusting connecting bar 40 is maintained in a fixed state.

At the same time, the elastic force of the coil spring 55 is located at the front of the plurality of pin grooves 54 formed at the inside of the corner of the rectangular frame 10 with the pin 522 formed at the point pin 52 of the point fixture 50. As the inserted state is maintained by the angle adjustment connecting bar 40 is more fixed state is maintained.

On the other hand, in the case of installing the LED display fixing frame A, the cam piece 623 at the same time as the knob 621, which is almost in contact with the surface of the angle round bar 70, is turned in the direction of the arrow shown in FIG. As a result of this rotation, the pressing force applied to the iron piston 611 of the angle lock nut 610 is released, and as shown in FIG. 6, the state in which the sector piece 320 becomes rotatable is maintained.

Next, when the knob body 532 of the point fixture 50 is pulled, as shown in FIG. 6, the pin takeout protrusion 533 is kept out of the pin takeout groove 514, and then the knob The pin-out catching protrusion 533 is rotated by the elastic force of the coil spring 55 while the pin-out catching protrusion 533 is positioned in a state where the pin-out catching groove 514 is not formed. ) End is maintained in contact with the portion where the pin-out catching groove 514 is not formed. That is, while the coil spring 55 is in a compressed state, the end of the pin 522 formed in the pin body 521 coincides with the inlet side of the pin guide hole 511 so that the pin body 521 can be moved from the pin groove 54. As the pin 522 is maintained in a separated state, the angle adjusting bar 40 is maintained in a rotatable state.

Next, the knob body 532 is rotated in the reverse direction while the angle adjusting bar 40 is rotated by the required angle, that is, the angle lock nut 610 is brought into close contact with the surface of the angle round bar 70. Pressing the piece 320 to the inner side of the rectangular frame 10 to maintain a fixed state and then rotate the knob body 532 and at the same time the pin pullout projection 533 is the pin pullout engaging groove 514 It is rotated together in contact with the non-formed portion, the pin pull-out projection 533 is matched to the pin pull-out groove 514 and at the same time the pin 522 by the elastic force of the coil spring (55) As it is withdrawn from the hole 511 and inserted into the pin groove 54, the angle adjusting bar 40 is rotated and maintained.

[Description of the code]

10: square frame 20: guide support

30: Upper and lower rotation guide member 40: Angle adjustment connecting bar

50: round bar 60: unlocking ball

110: upper, lower horizontal member 120: left, right vertical member

210: sector important part 310: sector

320: sector 321: guide groove

330: bar coupling 610: angle lock nut

620: Knob 621: Knob

Claims

The left and right vertical members 120 are coupled to the front of both ends of the upper and lower horizontal members 110, respectively, to form a square frame 10, and the left and right vertical members 120 are arc-shaped at both ends. The guide support pieces 20 on which the sector recesses 210 are formed are coupled to each other, and the sector recesses 310 of the upper and lower pivot guide members 30 are connected to the sector recesses 210 of the upper and lower guide support pieces 20. Are respectively supported to slide, and the bar coupling piece 330 is integrally formed to the other side of the sector piece 320 of the upper and lower pivoting guide members 30, so that the upper and lower pivoting guide members of the left and right pivots ( In the LED display fixing frame (A) to which the angle adjustment connecting bar 40 is coupled to the bar coupling piece 330 of 30), respectively,

The upper and lower portions of the angle round bar 70 are coupled to both rear ends of the upper and lower horizontal members 110, and the guide rods 710 are integrally formed at both ends of the angle round bar 70. It is penetrated through the arc-shaped guide groove 321 formed in the sector piece 320 of the upper and lower rotation guide member 30, and the unlocking opening 60 is provided on the upper and lower portions of the angle round bar 70. However, the unlocking tool 60 is an angle lock nut 610 provided on both side guide rods 710 of the angle round bar 70 and through holes formed at both ends of the angle round bar 70 ( 701 is hinge cam coupled to the 620, by rotating the knob 621 of the upper, lower knob cam 620 in the direction of the angle round bar 70, the angle lock nut 610 is Moved up and down, the angle adjustment connecting bar 40 is fixed to both ends of the square frame 10 LED display, characterized in that The fixed frame.
The method of claim 1,

The angle lock nut 610 of the unlocking tool 60 is formed by the combination of the inner iron portion piston 611 and the outer recess portion piston 612, the outer stepped groove 613 of the recess portion piston 612 Spring (614) is settled, LED display fixing frame, characterized in that the washer (615) is provided on the outside.
The method according to claim 1 or 2,

The knob cam 620 of the unlocking tool 60 is integrally formed by bending the cam pieces 623 having hinge holes 622 at both ends of the knob 621, and between the two cam pieces 623. Both sides of the angle round bar 70 is inserted into the LED display fixing frame, characterized in that coupled by the hinge pin (624).
The method of claim 1,

The sector piece 320 is provided with a point fixing tool 50 on the other side where the bar coupling piece 330 is formed, the point fixing tool 50 and the point holder 51 formed integrally with the sector piece 320; Point pins 52 are inserted into the coil spring 55 from the outside of the point holder 51 and the point knobs 53 are coupled to the point pins 52 from the inside of the point holder 51. ), The point holder 51 is provided with a hollow extension holder 512 so that the pin guide hole 511 formed in the sector piece 320 extends inwardly, and the hollow extension holder 512. The pin through hole 513 is formed at the end of the pin, and the pin withdrawal catching grooves 514 are formed at both sides of the pin through hole 513, and the point pin 52 is formed of the pin guide hole 511. A pin 522 is formed on one side of the pin body 521 which is coupled to the inner circumferential edge by an intermediate fit, and the other side of the pin body 521 A pin rod 523 corresponding to the pin 522 is integrally formed, a female screw portion 524 is formed in the pin rod 523, and the point knob 53 has a countersunk screw groove 531. The pin body 532 is formed integrally with the pin body 532 is inserted into the pin pull out groove 514, the knob body 532 abuts on the pin rod 523, the plate screw It is coupled to the countersunk head screw (54) caught in the locking groove 531, characterized in that the pin 522 is inserted into any one of the plurality of pin grooves 54 formed inside the corner of the square frame (10). LED display fixed frame.