KR200462949Y1

KR200462949Y1 - Connecting and Locking Device of LED Display

Info

Publication number: KR200462949Y1
Application number: KR2020110004015U
Authority: KR
Inventors: 김성준
Original assignee: (주)한국엘이디
Priority date: 2011-05-11
Filing date: 2011-05-11
Publication date: 2012-10-11

Abstract

Provided is a hinge connecting device for an LED display device.
The present invention has a structure having a body having a plurality of LED elements and a cover having an exposure hole for exposing the LED element is assembled on the front side hingedly connected to the LED display device for lighting the LED element when power is applied. A shaft portion having at least one solid support extending from one edge of the main body and a guide catching jaw protruding from an upper end of the hinge shaft extending a predetermined height with an outer diameter smaller than the outer diameter of the solid support; and the other side of the main body; At least one hollow support extending from the corner, and the hinge through the hinge hole is inserted into the hollow support portion to be inserted into the rotation support portion, and the guide groove for forming the guide groove is inserted into the guide engaging jaw on the inner peripheral surface of the hinge hole Including a hinge axis of the main body portion to a hinge hole of another main body portion adjacent thereto. Assemble.

Description

Connecting and Locking Device of LED Display

The present invention relates to a device for locking while connecting the LED display device, more specifically, the operator can easily and quickly perform the operation of locking the LED display device by laminating in the longitudinal or transverse direction in the field, the number of components The present invention relates to a connection locking device of an LED display device which can reduce manufacturing costs by reducing the cost.

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, and displays a different screen on each unit display device, or Refers to a device that divides and displays a screen on each unit display device.

Such multi-vision systems are used for fixed installations, such as indoor and outdoor display boards, but are commonly used for rentals of repeating installation and dismantling of a large screen having a predetermined size and shape as needed in a performance hall or an event event.

In particular, in recent years, display devices using lighter, lighter and more semi-permanent LEDs (LIGHT EMITTED DIODE) have been widely used as rental multi-visions compared to existing multi-vision displays using CRTs, LCDs, and the like.

In such a multi-vision system, when configuring a large screen by arranging a plurality of unit display devices in a row and a column, it is difficult to fix and dismantle each display device to each other, thereby reducing the flexibility of work at the event site. There was this.

However, the conventional multi-vision display device typically has a structure including a box-shaped frame or housing having a predetermined width and length, so that when a plurality of display devices are arranged in the transverse direction or the longitudinal direction, a large screen is formed separately. It requires a wide installation space of the unit, because the weight and volume of each unit display device has a lot of problems that repeated installation and disassembly during rental is not easy.

In order to solve these problems, recently, display devices using brighter, lighter and more semi-permanent LEDs than conventional multi-display devices using CRT, LCD, DLP, etc. are not only used for outdoor outdoor display boards but also for rental multi-vision displays. It is also used as a trend.

Korean Patent Laid-Open Publication No. 10-2010-0104162 (September 29, 2010) has a box-shaped case having an upper surface opened, and a plurality of LEDs arranged in an open upper surface of the case and spaced apart at set intervals in the front direction, and arranged in a horizontal row direction. The LED protection cover is installed to protect the LED module by installing the LED module and the front of the LED module is installed a plurality of driving elements for driving the LED, and the LED protective cover formed with a plurality of insertion holes into which the LED of the LED module is inserted; Data distribution board for distributing the data input from the LED module to the drive element and the power supply installed in the case, the power supply for rectifying and supplying the AC power supplied to the DC power supply and the neighboring LED display device Disclosed is an LED display device including a connection locking device that enables engagement of a device.

The connection locking device for connecting the LED display devices to each other is formed with an eccentric shaft hole to which the eccentric shaft is rotatably inserted to one side and a ring-shaped ring portion to the other side, and a disk-shaped rotatably installed to the eccentric shaft hole. The eccentric shaft and one side is provided with an eccentric shaft driving unit coupled to the eccentric shaft to rotate integrally with the eccentric shaft, the other side is provided with a handle formed with a handle portion penetrating the eccentric position from the center of the eccentric shaft in the installation groove When the adjacent LED display devices are fixed to each other by being installed by a hinge shaft, the eccentric shaft is rotated by the rotation of the handle in a state in which the ring portion of the clamp is positioned to catch the fixed shaft of the binding groove of the adjacent LED display device. While rotating about this hinge axis, pull the clamp in the direction of the fixed axis to The LED display device which are adjacent to each other to lock the connection.

However, such a conventional connection locking device must have a coupling groove having a fixed shaft on one side of the case, and a clamp, an eccentric shaft, and a handle having a ring portion to be engaged with the fixed shaft of the binding groove on the other side of the case. Since the overall connection lock structure is complicated, there is a problem of increasing the manufacturing cost of the LED display device.

In addition, since the operation of manipulating the handle is very inconvenient and complicated when the worker stacks the case in the longitudinal or 휭 direction at the site, the LED display device is installed and dismantled in the field within a short time according to the design conditions. In the process of increasing the work load of the worker, the installation and dismantling work was excessively excessive, there was a problem causing the user dissatisfaction.

In particular, there is a problem that a lot of restrictions on the production of the broadcast by reducing the speed and flexibility in the event site, such as a broadcast or concert.

Accordingly, the present invention is to solve the conventional problems as described above, the object is that the operator can easily and quickly perform the operation of locking the LED display device by laminating in the longitudinal or transverse direction in the field, configuration To reduce the number of parts to reduce the manufacturing cost of the LED display device to provide a connection lock.

As a specific means for achieving the above object, the present invention is equipped with a case having a substrate having a plurality of LED elements on the open front, connecting the plurality of LED display devices for lighting the LED elements when the power is applied to each other while locking each other. An apparatus comprising: a screw member having a predetermined length having a locking bar disposed at an end of an arrangement groove formed on one side of the case, and having a male screw portion formed on an outer circumferential surface thereof; A main body having a female threaded hole to which the screw member is screwed is formed at the center of the body and having a handle; One end is in contact with the inner surface of the case, the other end is in contact with the main body to elastically support the main body to the outside; including the engaging bar disposed in the placement groove of the case penetrating the other side of the other case After inserting and passing through the lock hole to provide a lock connection device of the LED display device characterized in that the locking bar and the adjacent case by rotating the main body so that the engaging bar and the hole intersects.

Preferably, the placement groove is provided by a long hole which is formed through the outer surface of the case, and a bracket assembled to the inner surface of the case to form a through hole through which the screw member is disposed to cover the long hole.

Preferably, the other end of the spring is inserted into the small diameter portion having an outer diameter relatively smaller than the outer diameter of the main body.

According to the present invention, the main body having the handle is pushed to one side, and the locking bar disposed in the case's arranging groove is inserted into the lock hole formed through the other side of the adjacent case, and then passed through. By interlocking the long holes and locking a pair of adjacent cases, the bulky and heavyweight LEDs can be easily and quickly performed by the operator by stacking the LED display devices in the field in the vertical or horizontal direction. The productivity of continuously assembling the display device can be increased, and the overall number of components can be significantly reduced compared to the conventional method, thereby reducing the manufacturing cost and increasing the price competitiveness of the LED display device.

1 is an overall perspective view showing a lock connection device of the LED display device according to the present invention.
Figure 2 is an exploded perspective view showing a lock connection device of the LED display device according to the present invention.
3 is a cross-sectional view showing a lock connection device of the LED display device according to the present invention.
Figure 4 is a state diagram showing the lock connection device of the LED display device according to the present invention.
Figure 5 (a) (b) is a cross-sectional view showing a state of use of the lock connection device of the LED display device according to the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Locking connection device 100 of the LED display device according to an embodiment of the present invention is shown in Figure 1 to Figure 5 (a) (b), the engaging bar 111, screw member 110, the main body ( 120 and a spring 130 to lock adjacent LED display devices in a lateral or longitudinal direction.

The LED display device 200 includes a substantially rectangular plate-like substrate 210 mounted on a front surface of the LED display device 20 so as to emit light when a power is applied, and the rear surface of the substrate 210 is provided from the outside. A power supply unit (not shown) for receiving power may be provided.

The LED device 201 is illustrated and described as being arranged in a matrix form on the entire surface of the substrate 210, but is not limited thereto. The LED device 201 may be randomly mounted by various designs.

The substrate 210 is assembled to a case 230 having a substantially rectangular box shape with an open front surface.

In order to lock the LED display device 200 to each other so as to be continuous in the horizontal direction or the longitudinal direction, the case 230 is locked to each other through the lock connection device 100, such a lock connection device 100. Includes a catching bar 111, a screw member 110, a main body 120, and a spring 130.

The screw member 110 is provided with a catching bar 111 that is inserted into the arrangement groove 112 recessed on one side of the outer surface of the case 230 at the front end, the male screw portion 113 is formed on the outer peripheral surface Male thread member of certain length.

The engaging bar 111 is illustrated and described as being integrally provided at the front end of the screw member 110 in which the male screw part 113 is formed, but is not limited thereto, and is assembled to be perpendicular to the front end of the screw member in a fastening manner. May be

The locking bar 111 is preferably provided in the shape of a straight cross-section so as to wait without being exposed to the placement groove 112 is formed recessed in one side of the outer surface of the case 230 in a straight line.

The main body 120 has a female thread hole 123 formed at the center of the body to be screwed with the male screw portion 113 of the screw member 110, the handle of the bar shape having a predetermined length to facilitate the rotational operation of the operator ( 125 is a cylindrical member formed by penetrating the upper end of the handle assembly hole 127 is inserted.

The handle 125 inserted into the handle assembly hole 127 is separated and separated from the handle assembly hole 127 to the outside by the fastening member 126 fastened through the fastening hole 126a formed on the upper surface of the main body 120. Can be assembled so as not to.

Here, the handle assembly hole 127 is illustrated and described as being connected to the female screw hole 123, but is not limited thereto and may be separated from each other.

Accordingly, the screw member 110 may adjust the length to be drawn out from the main body to protrude from the body by adjusting the depth that is screwed into the female screw hole 123.

The spring 130 is a coil spring member that one end is in contact with the bracket (112b) provided on the inner surface of the case 230, the other end is in contact with the main body 120 to elastically support the main body 120 to the outside It may be provided.

Accordingly, while the main body 120 is pressed to the inner surface of the case 230, the interval between the bracket 112b which one end of the spring 130 is in contact with the other end of the main body 120 is narrowed so that the spring ( 130 is to be contracted to have an elastic restoring force.

The spring 130 is preferably the other end is inserted into the small diameter portion 128 having an outer diameter relatively smaller than the outer diameter of the main body 120.

In addition, the mounting groove 112 in which the engaging bar 111 is inserted and placed into a waiting hole 112a is formed through the outer surface of the case, and the through hole 112c is disposed through the screw member 110. It may be provided by a plate-like bracket 112b is assembled to the inner surface of the case 110 to form the cover to the long hole (112a).

The bracket 112b is assembled to be in close contact with the inner surface of the case 110 by a plurality of fastening members.

Accordingly, the screw member 110, the main body 120 and the spring 130 is always waiting on the inner surface of the case 230, the engaging bar 111 is placed in the placement groove 112 formed on the outer surface of the case Continuously assembling or assembling the LED display device 200 which is waiting to be inserted in the horizontal direction is arranged in the longitudinal direction so that the casing 230 of the LED display devices to be connected to each other are in contact with each other. Then, the mounting groove 112 formed on the outer surface of the one side case 230 and the lock hole 115 of the other case 230 adjacent thereto are disposed corresponding to each other.

In this state, when the operator grabs the handle 125 connected to the main body 120 disposed inside the case 230 and pushes it to the inner surface of the case 230, the operator is provided at the end of the screw member 110. Since the locking bar 111 is separated from the placement groove 112 and inserted into the locking slot 115 of the other case 230 corresponding thereto, the locking bar 111 of the screw member 110 is locked. It enters the inside of the other case 230 adjacent without interference through the dragon hole 115.

At this time, the spring 130 is compressed to have an elastic restoring force to elastically support the main body 120 in the opposite direction.

In addition, when the handle 125 is rotated 90 degrees in one direction, the locking bar 111 is rotated along with the screw member 110 to cross approximately 10 crosses with the locking slot 115.

Subsequently, when the worker releases the handle 125, the locking member 111 is adjacent to the screw member 110 along with the main body 120 to return to the original state by the elastic restoring force of the spring 130. It is to be connected to the inside of the other case 230 while performing the locking role.

Accordingly, adjacent pairs of different LED displays 200 are continuously locked in the lateral or longitudinal direction by the lock connection device 100 and locked to prevent separation and separation.

On the other hand, if you want to separate the case 230 adjacent to each other by pushing the screw member 110 together with the main body 120 to one side using the handle 125 as described above adjacent to the catching bar 111 The handle bar is rotated in a state spaced apart from the inner surface of the other case 230 to match the locking bar 111 and the locking long hole 115 with each other, and then the locking bar by the elastic restoring force of the spring member 130. It is possible to separate the LED display device from each other by separating and detaching the case from each other by the operation opposite to the above, in which the 111 is removed from the locking slot 115 and arranged in the placement groove 112.

Although the present invention has been described in detail with reference to specific embodiments thereof with reference to the drawings, the present invention is not limited to these specific structures. It will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as set forth in the appended claims. Nevertheless, it is intended that such modifications or variations be made within the scope of the present invention.

110: screw member 111: locking bar
112: placement groove 113: male thread portion
120: main body 123: female thread
125: handle 126: fastening member
130: spring member 230: case

Claims

An apparatus comprising a case having a substrate having a plurality of LED elements on an open front surface, and locking and connecting a plurality of LED display devices that turn on LED elements when power is applied, while locking each other.
A screw member having a predetermined length having a catching bar disposed at an arrangement groove formed on one side of the case at its tip, and having a male screw portion formed on an outer circumferential surface thereof;
A main body having a female threaded hole to which the screw member is screwed is formed at the center of the body and having a handle; And
One end is in contact with the inner surface of the case, the other end is in contact with the main body spring to support the main body to the outside; including
Insert and pass the locking bar disposed in the placement groove of the case into the locking hole formed through the other side of the other case adjacent to pass through the locking bar and then rotates the main body so that the locking bar and the hole intersects to connect adjacent cases to each other. Locking connection device of the LED display device.

The method of claim 1,
The arrangement groove is characterized in that it is provided by a bracket which is formed on the inner surface of the case so as to form a through-hole formed in the outer surface of the case, the through hole through which the screw member is disposed to cover the long hole. Locking connector for LED display.

The method of claim 1,
And the spring has the other end inserted into a small diameter portion having an outer diameter relatively smaller than that of the main body.