JPH08272311A - Coupling method of large-sized display screen and coupling device therefor - Google Patents

Abstract

PURPOSE: To eliminate the inversion of an upper display screen and to improve the performance effect of display by the videos displayed on both upper and lower display screens when the upper display screen is assembled or separately operated by narrowing a space required for assembly and separate operation of the upper and lower display screens. CONSTITUTION: The second display screen 13 is moved upward in parallel with the first display screen 11 by a fluid pressure cylinder 157 for lifting of a moving mechanism 15. The second display screen 13 is then moved nearly horizontally by a fluid pressure cylinder 161 for longitudinal movement and is positioned right above the first display screen 11. The second display screen 13 is thereafter lowered by the fluid pressure cylinder 157 for lifting and the bottom face thereof is brought into contact with the top end face of the first display screen. A coupling pin 131 is engaged with a boss hole 191.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joining method and joining device for large-sized display screens, and more specifically, one of the upper and lower divided display screens is fixed vertically and the other display screen is fixed. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a large-sized display screen combining method and a combining device, in which display screens are combined on one display screen so as to be coincident with each other.

[0002]

2. Description of the Related Art Conventionally, for example, the height is 4.2 m and the width is 5.6.
Movable large-sized on-vehicle display devices having a large m display screen mounted on a vehicle are known from Japanese Utility Model Laid-Open No. 2-48982.

The display screen of a large-sized display device of this type is vertically divided into two equal parts, one of which is fixed vertically on the bed of the vehicle so as to extend in the front-rear direction. The lower end edge of the other display screen is swingably connected to the upper end edge of the rocking member by means of a hinge member, and swinging rods are provided on both left and right sides of the connecting portion of the upper and lower display screens. By connecting the side surface of the lower display screen with a fluid pressure cylinder, further connecting the tip part between each swing and the side surface of the upper display screen with a fluid pressure cylinder, and by extending both fluid pressure cylinders, The upper display screen is rotated upward with the hinge member as a fulcrum, and the display surface of the upper display screen is stacked in a state of being aligned with the display surface of the lower display screen.
Assemble a large display screen corresponding to m and width 5.6 m. Further, by contracting both fluid pressure cylinders, the upper display screen is rotated to the rear side of the lower display screen, and is housed on the rear surface of the lower display screen in an inverted state.

[0004]

However, in the conventional large-sized on-vehicle display device as described above, the lower edge of the lower display screen fixed on the bed of the vehicle is hinged to the lower edge of the upper display screen. Since it is configured to be swingably connected, when the upper display screen is rotated about the hinge member as a fulcrum to a position where the large display screen is assembled and the lower display screen is housed, the upper display screen is A space must be secured on the platform that will not interfere with objects. As a result, the exterior part that covers the entire top of the cargo bed including the large display device and the wing that opens and closes the display surface of the large display device become large, and the ready-made exterior part and wing cannot be used. Become.

In addition, the upper and lower display screens of the large-sized on-vehicle display device have RGB illuminants as one pixel, and this pixel is 3 × 3.
A large number of units are formed by arranging the pixel blocks arranged in a matrix of 3 and 4 columns to form a cell by arranging pixel blocks formed by assembling electronic devices for controlling pixel blinking in 2 rows and 4 columns. (About 100), for example, height 2.
Since it is constructed by arranging it in a size of 1 m and a width of 5.6 m, the top and bottom of the display screen are naturally determined, and reversing this display screen is useful for the electronic device of the pixel block and its support. May cause trouble.

The present invention has been made in view of the above circumstances, and an object of the present invention is to reduce the space required for the assembling and separating operations of the upper and lower display screens, to prevent the upper display screen from being inverted, and to display the upper display screen. The present invention provides a method and apparatus for joining large-sized display screens, which can improve the effect of display by the images displayed on the upper and lower display screens when assembling or separating.

[0007]

In order to achieve the above-mentioned object, the invention of claim 1 is arranged on a loading platform of a vehicle on a first display screen extending in the longitudinal direction of the loading platform and vertically installed. A method for combining large display screens, wherein display screens are aligned and the second display screens are combined, wherein the second display screen is parallel to the first display screen on the back surface of the first display screen when not in use. The second display screen is moved up to a position higher than the height of the first display screen in parallel with the first display screen when used, and then the second display screen is moved substantially horizontally. Move it to a position just above the first display screen, then
The second display screen is lowered to couple the lower end of the second display screen to the upper end of the first display screen.

According to a second aspect of the present invention, in the method for joining large display screens according to the first aspect, the second display screen and the first display screen are joined when the second display screen is joined to the first display screen. The image is displayed on the screen.

According to a third aspect of the present invention, there is provided a large-sized display screen coupling device, which comprises a first display screen extending vertically in the longitudinal direction of the cargo bed of a vehicle, and the first display screen. A second display screen that is stored on the back of the display screen in parallel with the first display screen, and the second display screen is parallel to the first display screen and upward to a position higher than the height of the first display screen. Move, then move the second display screen in a substantially horizontal direction to position it just above the first display screen, and then move the second display screen.
The display screen is lowered to bring the lower end of the second display screen to the first
And a moving mechanism coupled to the upper end of the display screen.

According to a fourth aspect of the present invention, in the large-sized display screen coupling device according to the third aspect, the moving mechanism is vertically installed on the cargo bed so as to face both left and right ends of the second display screen. An elevating member provided on the left and right guides so as to be able to ascend and descend in the vertical direction; an elevating and lowering fluid pressure cylinder for elevating and lowering each of the elevating members; and a horizontal extension on the left and right elevating members in the width direction of the loading platform. A support member that is fixed and supports the second display screen so as to be movable in the front-rear direction, and a front-rear fluid pressure cylinder that is installed on each of the support members and moves the second display screen in the front-rear direction. Is.

According to a fifth aspect of the invention, in the coupling device for a large display screen according to the third aspect, coupling pins for positioning and at both ends of the upper end of the first display screen and both ends of the lower end of the second display screen are provided. One of the boss holes that engage with the pin is provided.

According to a sixth aspect of the present invention, in the large display screen coupling apparatus according to the third or fourth aspect, the first display screen and the moving mechanism are installed on a base installed on the luggage carrier. It is characterized by

According to a seventh aspect of the present invention, in the coupling device for a large display screen according to the third, fourth, fifth or sixth aspect, coupling pins provided at both ends of a lower end of the second display screen are provided on the base. It is characterized in that either a hole with which the boss hole engages or a fixing pin is provided.

[0014]

In the method of combining large display screens according to the present invention,
When in use, the second display screen is moved upward in parallel with the first display screen, and then the second display screen is moved in a substantially horizontal direction to be positioned right above the first display screen, and then the second display screen. By lowering and connecting the lower end to the upper end of the first display screen, the space required for the assembly and separation operations of the first and second display screens can be narrowed, and the inversion of the second display screen can be eliminated. In the method of the present invention, the second
By displaying an image on the second display screen and the first display screen when the display screen is combined with the first display screen, it is possible to improve the presentation effect of the images displayed on the first and second display screens. .

Further, in the large display screen coupling apparatus of the present invention, the moving mechanism moves the second display screen upward in parallel with the first display screen, and then the second display screen is moved substantially horizontally. Move it and position it right above the first display screen,
Then, the second display screen can be lowered and its lower end can be joined to the upper end of the first display screen.
The space required for the operation of assembling and separating the display screen can be narrowed, and the inversion of the second display screen can be eliminated.

Further, according to the present invention, when the second display screen is joined to the first display screen, the engaging pin and the boss hole are engaged with each other, so that the first and second display screens are joined together. The positioning is ensured, and the display surfaces of both display screens can be stably maintained in a matched state. Further, in the present invention, the second display screen is placed on the base on the back surface of the first display screen by engaging the connecting pin or the boss hole of the second display screen with the hole or the fixing pin provided on the base. The second display screen can be stably held when stored in.

[0017]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 4, an embodiment of a method and apparatus for combining large display screens according to the present invention will be described. 1 to 4, a large-sized screen display device mounted on a vehicle has a first display screen 11, a second display screen 13, and a second display screen 13 which are arranged in parallel with the first display screen 11 in a height of the first display screen 11. Above the second display screen 13
Is moved almost horizontally to be positioned right above the first display screen 11, and then the second display screen 13 is lowered to join the lower end of the second display screen 13 to the upper end of the first display screen 11. The moving mechanism 15 is provided.

The first display screen 11 shows the loading platform 17 of the vehicle 17.
It is installed vertically on the base 19 installed on the base 1, extending in the front-rear direction of the loading platform 171, and both left and right sides thereof are supported by left and right frame members 21 fixed vertically on the base 19. The second display screen 13 is provided on the upper end surfaces of the left and right frame members 21.
Is formed with a boss hole 211 for coupling which also serves as a positioning. The second display screen 13 is stored on the base 19 on the back surface of the first display screen 11 in parallel with the first display screen 11 when it is not used. The left and right sides of the second display screen 13 are reinforced by frame members 23, and the lower end surfaces of the left and right frame members 23 are provided with connecting pins 131 that also serve as positioning of the second display screen 13, The tip of this coupling pin 131 is formed in a conical shape. Further, when the second display screen 13 is stored on the base 19, holes 191 for engaging the respective coupling pins 131 are formed in the base 19.

The moving mechanism 15 for the second display screen 13 is a channel-shaped guide 151 vertically installed on the base 19 so as to face the left and right ends of the second display screen 13 in the storage position.
And a channel-shaped first elevating member 152 engaged in the left and right guides 151 so as to be vertically movable, and a second elevating member 15 vertically engaged in each of the first elevating members 152.
3, and a lifting fluid pressure cylinder 157 in which the non-rod end is swingably connected to the base 19 via a bracket 154, and a piston rod 157A is connected to the upper end side surface of the first elevating member 152 by a bracket 156, A flexible lifting steel strip 159 having one end fixed to the bracket 154 and the other end wound on a guide roller 158 provided on the bracket 156 and then fixed to the lower end of the second lifting member 153 is provided. Further, the moving mechanism 15 attaches the loading platform 1 to each second elevating member 153.
Each of the support members 160 has a channel-shaped support member 160 that extends horizontally in the width direction of 71 and is fixed to the left and right frame members 23 of the second display screen 13. It is movably supported in the front-rear direction via a moving member.
A front-rear fluid pressure cylinder 161 for moving the second display screen 13 in the front-rear direction is arranged on each support member 160, and a non-rod end of the front-rear fluid pressure cylinder 161 has a bracket 162 attached to the support member 160. 166A is swingably connected to the piston rod 161A by means of a connecting member 16
It is connected to the frame member 23 of the second display screen 13 via 3.

In FIGS. 1 to 4, 25 is an exterior part that covers the upper part of the loading platform 171 including the first and second display screens 11 and 13, and 27 is a wing.
The display surfaces of the second display screens 11 and 13 can be opened and closed.

Next, the operation of this embodiment configured as described above will be described. As shown in FIG. 1, when the second display screen 13 in the stored state is combined with the first display screen 11 to form a large display screen, first, the wings 27 are used.
1 as shown in FIG. 1, and lift hydraulic cylinder 157.
To extend. When the lifting fluid pressure cylinder 157 is extended and the piston lot 157A is extended, the first raising / lowering member 152 rises and at the same time the guide roller 158 rises, so that the guide roller 158 is wound around the guide roller 158. The second elevating member 153 connected to the other end of the steel strip 159 also rises. When the first elevating member 152 and the second elevating member 153 move up, the second display screen 13 supported via the support member 160 becomes the first display screen 11.
Rises in parallel with. Then, when the lower end of the second display screen 13 is raised to a position above the upper end of the first display screen 11, the extension operation of the lifting hydraulic cylinder 157 is stopped and locked at the extension position. . Figure 2
The state where the 2nd display screen 13 was moved to the rising end is shown.

When the extension operation of the lifting hydraulic cylinder 157 is stopped, the front and rear fluid pressure cylinder 161 expands,
The second display screen 13 is moved forward along the support member 160 toward the first display screen 11 side. Then, the second display screen 13
As shown in FIG. 3, when the fluid pressure cylinder 161 is moved right above the first display screen 11, the extension operation of the front-rear fluid pressure cylinder 161 is stopped and locked at the extension position. After that, the lifting fluid pressure cylinder 157 contracts to lower the second display screen 13 at the rising end position and bring the lower end surface of the second display screen 13 into contact with the upper end surface of the first display screen 11. At this time,
The connecting pin 131 of the second display screen 13 is the first display screen 11
Since it is inserted into the boss hole 211 of the frame member 21 while being guided by the conical tip, even if the relative position between the lower end surface of the second display screen 13 and the upper end surface of the first display screen 11 is slightly displaced, the connecting pin 131 By engaging with the boss hole 211, the display surface of the second display screen 13 and the display surface of the first display screen 11 can be combined in a completely matched state. FIG. 4 shows a state in which one large display screen is formed by combining the second display screen 13 with the first display screen 11.

When the second display screen 13 assembled on the large display screen is separated from the first display screen 11 and stored on the base 19 on the back surface of the first display screen 11, the moving mechanism 15 described above is used. The operation of may be performed in reverse. Further, when the second display screen 13 is stored on the base 19, the connecting pin 131 of the second display screen 13 is engaged with the hole 191 of the base 19.

As described above, according to the large display screen coupling apparatus of this embodiment, the lifting / lowering hydraulic cylinder 1 of the moving mechanism 15 is used.
57 moves the second display screen 13 upward in parallel with the first display screen 11, and then the front and rear fluid pressure cylinder 161.
The second display screen 13 is moved in a substantially horizontal direction to be positioned right above the first display screen 11, and then the second display screen 13 is lowered by the lifting fluid pressure cylinder 157 to lower its lower end surface to the first position. Since the connecting pin 131 is brought into contact with the upper end surface of the first display screen and the coupling pin 131 is engaged with the boss hole 211, the second display screen 13 can be vertically and backwardly and forwardly relative to the first display screen 11 without being inverted. Assembling and separating operations of the first and second display screens can be performed only by linearly moving. As a result, the space required for the assembling and separating operations of the first and second display screens can be narrowed, and a ready-made vehicle can be used. Further, since it is not necessary to invert the second display screen, there is no possibility of causing any trouble even if the electronic device of the pixel block forming the display screen and its support are ready-made products.

Further, in the present embodiment, when the second display screen 13 is coupled to the first display screen 11, the engaging pins and the boss holes are engaged with each other, so that the first and second display screens are separated from each other. The connection and the positioning of the display screens are surely performed, and the display surfaces of both display screens can be stably maintained in a matched state. Further, in this embodiment, the connecting pin 131 of the second display screen 13 is used.
The second display screen 13 is stabilized on the base 19 when the second display screen 13 is stored on the base 19 on the back side of the first display screen 11 by engaging the hole 191 provided on the base 19. And can hold.

Further, in the present embodiment, when the second display screen 13 is combined with the first display screen 11, for example, the first display screen 11 is displayed.
The image of the sea or the mountain is displayed on the display screen 11, and the second
By raising the second display screen 13 while displaying the images of the sky and the sun on the display screen 13, the sunrise of the sea or the mountain can be produced, and by lowering the second display screen 13, the ocean can be displayed. Or you can produce the sunset in the mountains.

The large-sized display screen combining method and apparatus according to the present invention are not limited to the configurations shown in the above-described embodiments, and various modifications and changes can be made without departing from the scope of the claims. Is.

[0028]

As described above, according to the method of combining large-sized display screens of the present invention, the second display screen is changed to the first display screen when used.
It moves upward in parallel with the display screen, then moves the second display screen in a substantially horizontal direction to position it right above the first display screen, and then lowers the second display screen to lower its lower end to the first position. Since it is configured to be coupled to the upper end of the first display screen, the first and second display screens can be assembled by simply moving the second display screen in the vertical and front-rear directions without inverting the second display screen. And a separation operation can be performed. Thereby, the space required for the assembling and separating operations of the first and second display screens can be narrowed. Further, since it is not necessary to invert the second display screen, there is no possibility of causing any trouble even if the electronic device of the pixel block forming the display screen and its support are ready-made products. Further, according to the method of the present invention, when the second display screen is combined with the first display screen,
By displaying the video on the second display screen and the first display screen, it is possible to improve the presentation effect of the video displayed on the first and second display screens.

Further, according to the large display screen coupling apparatus of the present invention, the moving mechanism moves the second display screen upward in parallel with the first display screen, and then the second display screen is moved in a substantially horizontal direction. To the position directly above the first display screen, and then lowering the second display screen so that its lower end can be joined to the upper end of the first display screen. The space required for the assembling and separating operations can be reduced, and the inversion of the second display screen becomes unnecessary. Further, according to the present invention, when the second display screen is combined with the first display screen, by engaging the engagement pin and the boss hole with each other,
The connection and positioning between the first and second display screens are ensured, and the display surfaces of both display screens can be stably maintained in a matched state. Further, according to the present invention, the second display screen is moved to the base of the back surface of the first display screen by engaging the connecting pin or the boss hole of the second display screen with the hole or the fixing pin provided on the base. The second display screen can be stably held when stored on top.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a joining method and joining apparatus for large display screens according to the present invention.

FIG. 2 is a perspective view showing a rising operation state of a second display screen in the present embodiment.

FIG. 3 is a perspective view showing a state in which a second display screen in this embodiment is moved forward on the first display screen.

FIG. 4 is a perspective view showing a state in which a second display screen is combined with a first display screen in the present embodiment.

[Explanation of symbols]

 11 First Display Screen 13 Second Display Screen 131 Coupling Pin 15 Moving Mechanism 151 Guide 152 First Elevating Member 153 Second Elevating Member 157 Elevating Fluid Pressure Cylinder 159 Elevating Steel Strip 160 Supporting Member 161 Front and Rear Fluid Cylinder 17 Vehicle 171 Loading platform 19 Base 191 hole 211 Boss hole 25 Exterior part 27 Wing

Claims (7)

[Claims] 1. A large-sized display screen for connecting the second display screens by aligning the display surfaces on the first display screen that is vertically installed on the carrier of the vehicle and extends in the longitudinal direction of the carrier. A method of combining, wherein the second display screen is stored on the back surface of the first display screen in parallel with the first display screen when not in use, and when the second display screen is used, the second display screen is displayed. Moving upward to a position higher than the height of the first display screen in parallel with the screen, then moving the second display screen in a substantially horizontal direction to position it right above the first display screen, and then Two
The display screen is lowered to bring the lower end of the second display screen to the first
A method for assembling a large display screen, which is characterized in that it is combined with the upper end of the display screen. 2. The large display screen combining method according to claim 1, wherein an image is displayed on the second display screen and the first display screen when the second display screen is combined with the first display screen. . 3. A first display screen extending vertically in the front and rear direction of the loading platform of a vehicle and vertically installed on the loading platform of the vehicle, and stored on the back side of the first display screen in parallel with the first display screen. A second display screen, and moving the second display screen upward in parallel with the first display screen to a position higher than the height of the first display screen,
By moving the second display screen substantially horizontally,
A moving mechanism that is positioned directly above the display screen and then lowers the second display screen to couple the lower end of the second display screen to the upper end of the first display screen. Display screen combiner. 4. The moving mechanism includes the second unit on the luggage carrier.
Vertically installed guides facing the left and right ends of the display screen, an elevating member provided on the left and right guides so as to elevate in the vertical direction, an elevating fluid pressure cylinder for elevating the elevating members, and the left and right members. A support member that is fixed to the elevating member and extends horizontally in the width direction of the platform to support the second display screen so that the second display screen can move in the front-rear direction; 4. The large-sized display screen coupling device according to claim 3, which comprises a front-rear fluid pressure cylinder that is moved in a predetermined direction. 5. One of a positioning coupling pin and a boss hole that engages with the pin is provided at both ends of the upper end of the first display screen and both ends of the lower end of the second display screen. The large display screen coupling device according to claim 3. 6. The first display screen and the moving mechanism are installed on a base installed on the cargo bed.
Alternatively, the large-sized display screen combination device described in 4. 7. The base is provided with one of a coupling pin provided at both ends of a lower end of the second display screen, a hole with which a boss hole is engaged, and a fixing pin. 4. A large-sized display screen coupling device according to claim 4, 5, or 6.