JP4255131B2 - ELECTRONIC DISPLAY UNIT FIXING STRUCTURE AND ELECTRONIC DISPLAY DEVICE - Google Patents

Description

  The present invention relates to an electric display device that is installed on a street corner or the like and used for displaying various advertisements and promotional characters and images. More specifically, in an electro-optic display device having a configuration in which one or a plurality of electro-optic display units are attached and fixed to a unit attachment member attached to a wall surface of a building, etc. The present invention relates to a fixing structure of an electric display unit which can be removed from any of the above.

  The electroluminescent display device includes light emitters such as LEDs arranged vertically and horizontally or obliquely at a predetermined pitch, and is configured to display characters and images by selectively blinking each light emitter. Such electro-optical display devices are disclosed in Patent Documents 1 and 2.

  The electro-optical display device is generally composed of a unit attachment frame attached to an outer wall of a building and the like, and an electro-optical display unit attached and fixed to the front surface of the unit attachment frame. In the case of a large electro-optical display device, a large number of electro-optical display units are connected vertically and horizontally on the front surface of the unit mounting frame.

In the operation of attaching the light-emitting display device having this configuration to the outer wall or the like of the building roof, the light-emitting display unit is fastened and fixed from the outside to the unit mounting frame fixed to the outer wall by a fastening screw or the like. Similarly, in the maintenance and inspection work of the installed light-emitting display device, the light-emitting display unit is removed from the unit mounting frame from the outside of the outer wall.
JP 2005-292555 A JP-A-2005-202301

  As described above, in the conventional electro-optic display device, it is necessary to remove the electro-optic display unit from the outside. For this reason, it is necessary to assemble a scaffold when the light-emitting display device is installed in a high place. In addition, since the work is performed at a high place, work efficiency is poor and there is a problem in terms of safety.

  In view of these points, an object of the present invention is to propose a fixing structure of an electric display unit in which the electric display unit can be detached from both the outside (front side) and the inside (back side) of the unit mounting frame. It is in.

In order to solve the above-described problems, the present invention provides an electro-optical display unit for fixing an electro-optical display unit having a plurality of light emitting units arranged on a front surface to a unit mounting member fixed to a wall surface of a building. A fixed structure,
A frame-shaped recess having a certain depth formed on the back surface of the light-emitting display unit;
A plurality of nut mounting holes formed in the light-emitting display unit and opened in a bottom surface of the recess ;
A plurality of nuts detachably attached to the nut mounting holes from the back side of the light emitting display unit;
A frame plate detachably mounted from the back side of the light-emitting display unit so as to cover all of the plurality of nut mounting holes in the recess;
A plurality of case-side screw holes formed coaxially with each nut mounting hole in the light-emitting display unit and extending from the front surface of the light-emitting display unit to each nut mounting hole;
A plurality of fixed-side screw holes formed in the unit mounting member;
A plurality of frame plate side screw holes formed in a portion corresponding to each case side screw hole in the frame plate;
A plurality of rear-side fixing screw which is screwed into the nut through the stationary screw hole and the frame plate side screw hole from the back side of the sign display unit,
Wherein it is characterized in that a plurality of front-side fixing screws from the front side of the sign display units are screwed to each nut through each case side screw holes.

  In the fixing structure of the light emitting display unit of the present invention, the light emitting display unit can be removed from the unit mounting member by loosening and removing the back side fixing screw from the back side of the light emitting display unit. Also, when the front fixing screw is loosened and removed from the front side of the lightning display unit, the rear side fixing screw is still screwed into the nut, but in this state the nut is inserted from the nut mounting hole to the rear side of the lightning display unit. Can be pulled out. In other words, the light-emitting display unit can be removed forward while leaving the back-side fixing screw in a state where it is screwed and fixed to the nut through the fixing-side screw hole of the unit mounting member.

Here, in the present invention, the unit mounting member includes a frame-shaped portion that contacts an outer peripheral edge portion of the back surface of the light-emitting display unit, and an opening surrounded by the frame-shaped portion, and the frame-shaped portion. The fixed-side screw holes are formed at a plurality of locations, and the concave portion is formed in the outer peripheral edge portion in a frame shape that is slightly smaller than the outer peripheral shape of the light-emitting display unit . The nut mounting hole and the case-side screw hole are formed in a portion corresponding to each fixed-side screw hole on the bottom surface, and the light-emitting display unit is connected to the rear surface of the unit-attaching portion through the opening of the unit-attaching member It can be taken out to the side.

  In the case of this configuration, after the electric display unit is removed from the unit attachment member by loosening and removing the rear fixing screw from the rear side of the unit attachment member, the electric display unit is moved from the opening of the unit attachment member to the rear side. It can be taken out. Therefore, when the light display unit is attached to an outer wall portion such as a building, the light display unit can be removed from the inside of the building, and the removed light display unit can be taken into the inside of the building.

Generally, the electric display unit has a rectangular outline shape. In this case, the concave portion is a rectangular frame-shaped concave portion having a constant width, the frame-shaped portion formed in the unit attachment member is a rectangular frame portion having a constant width, and the opening portion is a rectangular opening portion. Is done.

  Further, in the case of a large-sized electro-optical display device, the unit opening member may be formed with the rectangular openings vertically and horizontally at fixed intervals so that a plurality of electro-optical display units can be attached.

Next, the electric display unit is
A frame-like case that opens back and forth,
A front panel attached to the front of this frame-shaped case;
Through holes for light emission formed in a matrix on this front panel,
An LED substrate that is disposed on the back side of the front panel and on which LEDs or LED groups are mounted in a matrix;
Each LED or each LED group may be configured to be exposed forward from each light emitting through hole of the front panel.

  In this case, in order to perform full color display, a plurality of sets of LED groups may be mounted in a matrix on the LED substrate, and each LED group may be composed of a red light emitting LED, a blue light emitting LED, and a green light emitting LED.

  Next, the present invention includes an electric display unit in which a plurality of light emitting units are arranged on the front surface, and a unit attachment member fixed to a wall surface of the building, and the electric display unit is fixed to the unit attachment member In the electro-optical display device, the electro-optical display unit is fixed to the unit mounting member by the fixing structure.

  In the present invention, the electroluminescent display unit is fixed to the unit mounting member in a state where it can be removed from the front side and the back side. Therefore, it is possible to improve the workability of maintenance and inspection work such as an electric light display unit installed at a high place.

  Hereinafter, an example of an electro-optical display device to which the present invention is applied will be described with reference to the drawings.

  FIG. 1A is a schematic perspective view of the electro-optical display device, and FIG. 1B is an explanatory view showing a state where the electro-optical display unit is removed. 2A to 2C are a front view, a plan view, and a longitudinal sectional view showing the electro-optic display unit 3, respectively. FIGS. 3A and 3B are a perspective view when the electronic display unit 3 is viewed from the front side and a perspective view when viewed from the back side.

  The light-emitting display device 1 of this example has a metal unit mounting frame 2 attached to an outer wall of a building and the like, and six light-emitting display units 3 attached to the front surface of the unit mounting frame 2. . The unit mounting frame 2 has a rectangular outline, and a total of six rectangular openings 21 in two columns and three rows are formed in the horizontally long rectangular front panel portion. Is surrounded by a vertical frame portion 22 and a horizontal frame portion 23 having a constant width.

  The electro-optic display unit 3 has a rectangular outline shape that is slightly larger than the rectangular opening 21, and light emitting through holes 31 of 16 columns and 6 rows are formed on the front surface thereof. From each light emitting through hole 31, three LEDs 32 (1) to 32 (3) arranged vertically are exposed. The LEDs 32 (1) to 32 (3) are a red light emitting LED, a green light emitting LED, and a blue light emitting LED, and are capable of full color display.

  The electro-optical display unit 3 is configured by a rectangular frame-shaped case 33 that is open at the front and rear, and a front panel 34 that is attached to the front surface of the frame-shaped case 33. In the front panel 34, vertically long through holes 31 for light emission are formed in a matrix. On the back side of the front panel 34, an LED substrate 35 on which LED groups of three LEDs 32 (1) to 32 (3) are mounted in a matrix is arranged, and each LED group corresponds to each of the front panel 34. It is exposed forward from the light emitting through hole 31.

  A rectangular frame-shaped back plate portion 33a is integrally formed on the back surface of the frame-shaped case 33 along the four peripheral edges thereof, and the rectangular frame-shaped projecting portion extends from the inner peripheral edge of the back plate portion 33a toward the back surface side. 33b protrudes at a right angle. The protruding portion 33b is dimensioned to be inserted into the rectangular opening 21 of the unit mounting frame 2. Two vertical ribs 33c are integrally formed with the protruding portion 33b. In addition, a rectangular frame-shaped recess is formed on the back surface of the back plate portion 33a, and the rectangular frame-shaped back plate is sandwiched between rectangular frame plates 36 (see FIG. 3B) that are detachably attached thereto. The portion 33a is fixed to the vertical frame portion 22 and the horizontal frame portion 23 surrounding the rectangular opening 21 in the unit mounting frame 2 with screws as will be described later.

  On the surface of the front panel 34, slightly protruding vertical ribs 34 a are formed between the light emitting through holes 31. Further, a flange plate 34b extending horizontally in the lateral direction is formed at the upper position of each light emitting through hole 31.

  Next, FIG. 4 is a partial cross-sectional view and an explanatory view showing a fixing structure for fixing the electric display unit 3 to the unit mounting frame 2. The frame-like case 33 of the electro-optic display unit 3 is formed with a nut mounting hole 41 having a hexagonal cross section that is open to the back side at a portion of the back plate portion 33a. In the nut mounting hole 41, a hexagon nut 42 is mounted in a detachable state from the back side of the electronic display unit 3. The length of the hex nut 42 is the same as the depth of the nut mounting hole 41.

  A screw hole 43 is formed in the rectangular frame plate 36 facing the nut mounting hole 41 so as to be coaxial with the nut mounting hole 41. Further, fixed side screw holes 44 are also formed in a coaxial state at portions of the vertical frame portion 22 and the horizontal frame portion 23 of the unit mounting frame 2 facing the screw holes 43. That is, in this example, as can be seen from FIG. 1 (b), fixed-side screw holes 44 are formed at 10 locations in order to fix each light-emitting display unit 3. Therefore, the corresponding number of screw holes 43 and nut mounting holes 41 are formed in corresponding portions of the rectangular frame plate 36 and the frame-shaped case 33, respectively.

  On the other hand, the cylindrical portion 44 extends from the bottom surface of the nut mounting hole 41 formed in the frame-like case 33 of the light-emitting display unit 3 to the back surface of the front panel in a coaxial state. The inside of the cylindrical portion 44 is a screw hole 45 communicating with the nut mounting hole 41 in a coaxial state. In addition, a case side screw hole 46 is formed in a coaxial state at a portion facing the screw hole 45 in the front panel 34.

  Further, from the back side of the electronic display unit 3, a back side fixing screw 47 is inserted through the fixing side screw hole 44 of the unit mounting frame 2 and the screw hole 43 of the rectangular frame plate 36, and screwed and fixed to the hexagon nut 42. Yes. Further, a front side fixing screw 48 is inserted from the front side of the electronic display unit 3 through the panel side screw hole 46 and the screw hole 45 of the front panel 34 and is fixed by screwing from the opposite side of the hexagon nut 42.

  In the fixing structure of the light-emitting display unit 3 having this configuration, the light-emitting display unit 3 can be detached from both the back side and the front side of the unit mounting frame 2. When removing the electronic display unit 3 from the back side, the back side fixing screw 47 may be loosened and removed. Further, when removing the light display unit 3 from the front side, the front side fixing screw 48 may be loosened and removed. When the front side fixing screw 48 is removed, the hexagon nut 42 can be removed from the nut mounting hole 41 to the back side. Therefore, the light-emitting display unit 3 can be removed forward with the back side fixing screw 47 and the hexagon nut 42 left in the unit mounting frame 2.

  Here, when the electro-optic display unit 3 is removed from the back side of the unit mounting frame 2, the electro-optic display unit 3 can be pulled out from the rectangular opening 21 of the unit mounting frame 2 to the back side. That is, the electric display unit 3 can be tilted sideways, and in this state, it can be pulled out from the short side end through the rectangular opening 21 to the back side. Therefore, when the light-emitting display device 1 is attached to the outer wall of the building, the light-emitting display unit 3 can be removed from the unit attachment frame 2 and taken out inside the building while inside the building. Therefore, it is possible to easily and safely remove the electric display unit 3 for maintenance and inspection. Note that the work of fixing the removed light-emitting display unit 3 to the unit mounting frame 2 may be performed by screwing the removed rear side fixing screw 47 or the front side fixing screw 48 into the nut 42 and fixing it.

(a) is a schematic perspective view of the electroluminescent display apparatus to which this invention is applied, (b) is explanatory drawing which shows the state which removed the electroluminescent display unit. (a)-(c) is the front view, top view, and longitudinal cross-sectional view which show an electroluminescent display unit. (a) And (b) is the perspective view at the time of seeing a light-emitting display unit from the front side, and the perspective view at the time of seeing from the back side. (a) And (b) is the fragmentary sectional view and explanatory drawing which show the fixing structure for fixing an electroluminescent display unit to a unit attachment frame.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Electric light display apparatus 2 Unit attachment frame 21 Rectangular opening part 22 Vertical frame part 23 Horizontal frame part 3 Electric light display unit 31 Through-hole 32 (1) -32 (3) for light emission LED
33 Frame-shaped case 33a Back plate portion 33b Protruding portion 33c Vertical rib 34 Front panel 34a Vertical rib 34b Edge plate 35 LED base plate 36 Rectangular frame plate 41 Nut mounting hole 42 Hexagon nut 43 Screw hole 44 Fixed side screw hole 45 Screw hole 46 Case side screw hole 47 Rear side fixing screw 48 Front side fixing screw

Claims (7)

An electric display unit fixing structure for fixing an electric display unit in which a plurality of light emitting units are arranged on the front surface to a unit mounting member fixed to a wall surface of a building,
A frame-shaped recess having a certain depth formed on the back surface of the light-emitting display unit;
A plurality of nut mounting holes formed in the light-emitting display unit and opened in a bottom surface of the recess ;
A plurality of nuts detachably attached to the nut mounting holes from the back side of the light emitting display unit;
A frame plate detachably mounted from the back side of the light-emitting display unit so as to cover all of the plurality of nut mounting holes in the recess;
A plurality of case-side screw holes formed coaxially with each nut mounting hole in the light-emitting display unit and extending from the front surface of the light-emitting display unit to each nut mounting hole;
A plurality of fixed-side screw holes formed in the unit mounting member;
A plurality of frame plate side screw holes formed in a portion corresponding to each case side screw hole in the frame plate;
A plurality of rear-side fixing screw which is screwed into the nut through the stationary screw hole and the frame plate side screw hole from the back side of the sign display unit,
A structure for fixing an electric light display unit, comprising: a plurality of front side fixing screws that are screwed and fixed to each nut from the front side of the electric light display unit through each case side screw hole. In claim 1,
The unit mounting member includes a frame-like portion that contacts an outer peripheral edge portion of the back surface of the electro-optic display unit, and openings surrounded by the frame-like portion, and is fixed to a plurality of locations in the frame-like portion. Side screw holes are formed,
The concave portion is formed in the outer peripheral edge portion in a frame shape that is slightly smaller than the outer peripheral shape of the light-emitting display unit,
The nut mounting hole and the case side screw hole are formed in a portion corresponding to each fixed side screw hole in the bottom surface of the recess ,
A structure for fixing an electro-optic display unit, wherein the electro-optic display unit can be taken out to the back side of the unit attaching portion through the opening of the unit attaching member. In claim 2,
The light-emitting display unit has a rectangular outline shape,
The recess is a rectangular frame-shaped recess having a constant width,
The structure for fixing an electro-optical display unit, wherein the frame-shaped portion formed on the unit mounting member is a rectangular frame portion having a constant width, and the opening portion is a rectangular opening portion. In claim 3,
The unit mounting member has the rectangular openings formed vertically and horizontally at regular intervals,
A fixing structure of an electric display unit, wherein a plurality of the electric display units can be attached. In any one of claims 1 to 4,
The electric display unit is:
A frame-like case that opens back and forth,
A front panel attached to the front of this frame-shaped case;
Through holes for light emission formed in a matrix on this front panel,
An LED substrate that is disposed on the back side of the front panel and on which LEDs or LED groups are mounted in a matrix;
Each LED or each LED group is exposed forward from each light-emitting through hole of the front panel. In claim 5,
A plurality of LED groups are mounted in a matrix on the LED substrate,
Each LED group is composed of a red light emitting LED, a blue light emitting LED, and a green light emitting LED. In an electro-optical display device having an electro-optical display unit having a plurality of light emitting units arranged on the front surface and a unit mounting member fixed to a wall surface of a building, and the electro-optical display unit being fixed to the unit mounting member ,
The electric display device, wherein the electric display unit is fixed to the unit mounting member by the fixing structure according to any one of claims 1 to 6.

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