JP2604994Y2 - Assembly and storage structure for large display devices - Google Patents

Description

[Detailed description of the invention]

[0001]

[Industrial application field] The present invention relates to the assembly and assembly of large display devices.
It relates to a storage structure.

[0002]

2. Description of the Related Art Conventionally, as one form of a large-sized display device in which a display board for displaying a character image or the like is stacked up and down in two stages and assembled, there is one disclosed in Japanese Utility Model Laid-Open No. 59-121676.

That is, in the large-sized display device, lift devices are mounted on both sides of the display device so as to stack and unload the upper display board on the lower display board, and a hydraulic cylinder and a guide link body are mounted on the lift device. It is interposed between the base and the guide link body is received by the stopper body provided on the base to regulate the backward inclination of the lifting device when loading and unloading work, and the left and right sides of the lifting device The swing can also be regulated by the guide link so that the work of stacking and unloading the upper display board can be performed safely and reliably.

[0004]

By the way, when the upper display board is mounted on the upper surface of the lower display board, if the joints of the upper and lower display boards are not correctly joined, the image will be displaced, and the function is not sufficient. In particular, at present, even higher precision bonding is required due to the innovation of image technology such as HDTV.In the above-mentioned conventional device, the tilt position of the lift device that moves the upper display board up and down is precisely adjusted. There is a problem that the joint between the upper and lower boards cannot be accurately joined because the adjustment cannot be performed.

[0005]

Therefore, in the present invention, the lower end of a vertical lifting cylinder is pivotally supported on a base on which an upper display board and a lower display board are mounted so as to be able to swing left and right. An upper display board is mounted on the upper end of the cylinder, and a left / right moving cylinder is interposed between the vertical lifting / lowering cylinder and the base. The amount adjusting means is provided with an assembling / housing structure for a large-sized display device, comprising a gland for adjusting the amount of expansion and contraction of the piston rod of the left-right moving cylinder. Also,
The present invention also has the following features.
The gland is built into the left-right movement cylinder, and the amount of expansion and contraction of the piston rod can be adjusted by adjusting the advance / retreat position within the left-right movement cylinder. On the base on which the upper display board and the lower display board are mounted, the lower end of the vertical lifting cylinder is pivotally supported so as to be able to swing left and right, and the upper display board is attached to the upper end of the vertical lifting cylinder,
A left / right moving cylinder is interposed between the up / down moving cylinder and the base, and the left / right moving cylinder is provided with left / right moving amount adjusting means. Equipped with a screw for adjusting the length of the rod. The lower end of the vertical lift cylinder is pivotally supported on the base on which the upper display board and the lower display board are mounted, and the upper display board is mounted on the upper end of the vertical lift cylinder via a mounting position adjuster. At the same time as mounting, the upper display board is pivotally supported so that it can swing left and right, the upper display board is suspended vertically by its own weight, and a cylinder for left and right movement is interposed between the vertical lifting cylinder and the base. The mounting position adjuster is capable of adjusting the mounting position in the left-right width direction so as to align the mounting position of the upper end of the vertical lifting cylinder on a virtual vertical line passing through the position of the center of gravity of the upper display board.

[0006]

When the upper display board is mounted on the lower display board to assemble a large-sized display device, the upper display board is raised by the up-and-down elevating cylinder, and is moved right above the lower display board by the left-right moving cylinder. It is to be moved sideways, lowered from the same position and stacked on the lower display board, and when storing the upper display board,
The above assembling process is reversed.

At this time, the upper and lower display boards are moved up and down by the left and right moving cylinders so that the lower surface of the upper display board is securely joined to the upper surface of the lower display board and the upper display board is securely placed at the base storage position. The amount of vertical movement of the lifting cylinder
By precisely adjusting the left and right movement amount adjustment means,
The image effect of the display board can be enhanced by accurately joining the upper and lower display boards.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

A shown in FIGS. 1 and 2 is a power carrier equipped with a large display device M according to the present invention. The power carrier A has a front driving section a and a rear carrier section b. It consists of. c is a wheel, d is an outrigger, and 8 is a cylinder for opening and closing the left side wall and the ceiling wall described later.

The carrier b of the power carrier A is shown in FIG.
As shown in FIG. 3, a packing box 6 is mounted on a base 5, and the packing box 6 has a pair of front and rear walls 6a, 6b standing on the base 5, A left side wall and a ceiling wall 6c and a right side wall 6d are integrally formed between 6a and 6b.

Further, as shown in FIG. 3, the left side wall and the ceiling wall 6c are pivotally supported on the front and rear extension frames 6e between the upper right sides of the front and rear walls 6a and 6b so that the upper edges can be freely opened and closed. In addition, the upper end edge of the right side wall 6d is attached to the front and rear extension frame 6e so as to be vertically openable and closable.

As shown in FIGS. 1 to 3, the large display device M according to the present invention has a lower display board 2 on the left side of a base 5.
Is fixed so that the lower screen 2a faces outward on the left side, and the upper display board 1 is placed on the right side on the base 5 so that the upper screen 1a faces the lower display board 2 on the left side. The unit display hood 1 is configured to be able to perform a large display by being mounted on the lower display board 2 by being joined by the lift device 3.

As shown in FIG. 3, the lift device 3 is composed of a pair of front and rear vertical cylinders 9, 9 and a pair of front and rear left and right moving cylinders 10, 10, and the vertical cylinders 9, 9 are provided. Is formed to be stretchable in three stages,
Cylinder support portions 5a, 5a provided at positions of a base 5 located on the front and rear sides of the upper display board 1 have lower ends pivotally supported in the left and right width directions, respectively. The upper end is attached to the upper part via an attachment position adjuster 7, 7, and the left and right moving cylinders 10, 10 are respectively attached to the bases of the vertical ascending / descending cylinders 9, 9 and the right front and rear parts of the base 5, respectively. It is interposed between the provided cylinder support portions 5b, 5b. 9a, 9b, 10a, and 10b are pivots.

As shown in FIG. 7, the left and right moving cylinder 10 has a piston rod 12 inserted into a cylinder body 11 having a bottomed cylindrical shape, and an inner peripheral surface of the opening side of the cylinder body 11 and the piston rod 12. A cylindrical gland 13 is interposed between the peripheral surface and
A pressure oil chamber 14 is formed between the inner end surface of the gland 13 and the head of the cylinder body 11, and a pilot check valve 15 is mounted on the outer peripheral surface of the cylinder body 11. While forming a contraction side port 16 between the inner end face of the cylinder body 11 and the portion of the cylinder body 11 adjacent to the inner end face,
An extension port 17 is formed between the pilot valve 15 and the head of the cylinder body 11, and a hydraulic pump (not shown) and a hydraulic tank (not shown) are connected to the pilot check valve 15 by an electromagnetic switching valve (FIG. (Not shown).

Furthermore, as shown in FIG. 7, a male screw portion 13a is formed on the outer peripheral surface of the gland 13, and the male screw portion 13a is screwed to a female screw portion 11a formed on the inner peripheral surface of the cylinder body 11. Further, a flange 13b for expansion and contraction is formed in a projecting shape from the outer end of the gland 13 to the outside of the open end of the cylinder body 11.

FIG. 7 shows an outer peripheral surface of the cylinder body 11.
As shown in FIG. 5, a male screw portion 11b for locking is formed, a lock nut 18 is screwed onto the male screw portion 11b for lock, and an outer end surface of the lock nut 18 is attached to a flange 13 for adjusting the expansion and contraction of a gland 13.
b is in contact with the inner end face. 13c is a rotating tool locking recess.

In this way, when it is desired to adjust the amount of expansion and contraction of the piston rod 12 by increasing the expansion / contraction amount, the expansion / contraction adjustment flange 13b is rotated forward to move the gland 13 backward from the inside of the cylinder body 11, that is, upward. By moving in the direction, the pressure oil chamber 14 is widened so that the amount of expansion and contraction of the piston rod 12 can be increased.

Further, by rotating the lock nut 18 in the reverse direction, the outer end face of the lock nut 18 is extended and contracted.
The rotation of the expansion / contraction adjustment flange 13b can be locked by abutting the inner end surface of the expansion / closing member 13b.

When it is desired to make an adjustment so as to reduce the amount of expansion and contraction of the piston rod 12, the expansion and contraction adjustment flange 13b and the lock nut 18 are rotated in the opposite directions to the above, so that the piston rod 12 can be adjusted. The amount of expansion and contraction can be reduced.

Further, the piston rod 12 is provided with a screw portion for adjusting the expansion and contraction.
An expansion / contraction adjustment male screw portion 12a is formed at the base end of the base member, and an expansion / contraction adjustment cylindrical female screw portion 19 is screwed to the male screw portion 12a.

When it is desired to adjust the length of the piston rod 12 itself in this way, the female screw portion 19 is rotated by rotating the female screw portion 19 for normal or reverse rotation.
19 can be adjusted in the axial direction to adjust the length of the piston rod 12.

In this embodiment, the piston rod 12
Gland 13 for adjusting the amount of expansion and contraction of the piston rod 12
By adjusting the length of the expansion and contraction adjustment cylindrical internal thread 19,
The left-right movement cylinder 10 constitutes a left-right movement amount adjusting means.
The amount of vertical movement of the vertical cylinder 9 by the vertical movement 10 can be adjusted precisely.

In FIG. 7, 20, 21 and 22 are O-rings, 23 is packing, and 24 and 25 are bushes.

FIGS. 8 and 9 show the mounting position adjusting body 7.
As shown in the figure, the upper display board 1 is slidably mounted on the upper part of the front and rear side walls via a pair of left and right brackets 31 so as to be slidable in the left and right width direction. And left and right side shaft portions 7b, 7b. A slide adjuster 32 can be detachably attached to the left and right side shaft portions 7b, 7b, respectively. Reference numeral 7c denotes a female screw portion formed on the left and right shaft portions 7b for screwing the pressing rod.

The slide adjuster 32 includes a left and right shaft portion.
Press rod support case 32a detachably fitted to 7b, 7b
A pressing rod 32b slidably supported on the supporting case 32a, an adjusting nut 32c for adjusting the pressing rod 32b, and a stopper body 32d contacting the end faces of the left and right shafts 7b, 7b. It is composed of

When the mounting position adjuster 7 is slid to the left side in this manner, the slide adjuster 32 is attached to the right end of the mounting position adjuster 7, ie, The distal end of the pressing rod 32b is screwed onto the screw portion 7c, and the stopper 32d is brought into contact with the end surface of the shaft portion 7b to adjust the pushing rod 32b to advance.
The mounting position adjuster 7 is slid to the left, and passes through the mounting position of the upper end of the vertical lifting / lowering cylinder 9 pivotally connected to the center of the mounting position adjuster 7 and passes through the position of the center of gravity of the upper display board 1. The upper display board 1 can be vertically dropped by its own weight by being aligned on a virtual vertical line.

After the adjustment of the lath, as shown in FIG. 9, the lower part 31b of the bracket 31 divided into two parts, the upper part 31a and the lower part 31b, is removed, and the left and right ends of the mounting body 7a and the bracket are removed. The positioning collars 33 and 34 are fitted to the left and right shaft portions 7b and 7b and interposed between the left and right shafts 31 and 31, respectively, thereby positioning the mounting position adjuster 7 after the slide adjustment. 31c is a connecting bolt, and 35 is a bush.

When the slide adjustment is performed to the right, the slide adjustment tool 32 is attached to the left end of the attachment position adjuster 7 in the opposite manner, and the same adjustment operation as described above is performed. The display board 1 can be hung vertically by its own weight.

Therefore, also from this point, the upper display board 1 can be smoothly and accurately stacked on the lower display board 2.

After adjusting the connecting position of the vertical lifting cylinder 9 to the upper display board 1 or when the adjusting operation is not required, the slide adjusting tool 32 is detached from the mounting position adjusting body 7. Store it.

In FIG. 1, reference numeral 36 denotes a storage room for storing a computer, a power receiver, a transformer, a speaker, and the like.

In FIGS. 3 to 6, reference numeral 37 denotes a positioning projection protruding from the bottom of the upper display board 1, reference numeral 38 denotes a recess provided on the ceiling wall of the lower display board 2, and 37
Are fitted, so that the upper display board 1 can be securely joined to the lower display board 2.

The embodiment of the present invention is configured as described above, and the procedure for assembling and storing the display board will be described below.

First, when the upper display board 1 is mounted on the upper end of the vertical ascending / descending cylinder 9, the mounting position adjuster 7 is operated so that the upper display board 1 is suspended when the upper display board 1 is dropped. So that it hangs straight down vertically.

Next, the left-right movement amount of the up-down movement cylinder 9 is set by operating the left-right movement amount adjusting means provided on the left-right movement cylinder 10.

After the above adjustment, the upper display board 1 is lifted by extending the up-and-down elevating cylinder 9 as shown in FIG. 3, and further, as shown in FIG. 4 and FIG. By moving the cylinder 10 to the left by extending it, and by moving the cylinder 9 up and down as shown in FIG. 6, the positioning projection 37 projecting from the bottom of the upper display board 1 is moved downward. The upper display board 1 is joined and placed on the lower display board 2 by smoothly fitting it into the positioning recess 38 provided on the ceiling wall of the display board 2.

When the upper display board 1 stacked on the lower display board 2 is to be returned to the original storage position, the expansion and contraction operations of the cylinders 9 and 10 are performed in reverse.

When loading and unloading the upper display board 1, the left and ceiling walls 6c and the right side wall 6d of the packing box 6 are opened upward as shown in FIG. Thus, the upper display board 1 can be loaded and unloaded without any trouble.

When assembling the display board by stacking the upper display board 1 on the lower display board 2, as shown in FIG. 6, the left side wall and the ceiling wall 6c allow the upper display board 1 to be directly above the upper display board 1. Cover immediately after.

[0040]

According to the present invention, the following effects can be obtained.

That is, the amount of left and right movement of the vertical cylinder for vertically moving the upper display board can be adjusted by the left and right movement amount adjustment means provided on the left and right movement cylinder. Since the gland for adjusting the amount of expansion and contraction of the piston rod of the cylinder for left and right movement is provided, the amount of expansion and contraction of the piston rod is set appropriately, and the amount of movement of the upper display board by the cylinder for left and right movement is made appropriate. I can do it. as a result,
The bonding property of the upper and lower display boards stacked vertically can be ensured well, and the stacking work efficiency and the image effect of the display boards can be improved. Moreover, even when the upper display board is stored, it can be accurately placed at the original position without interfering with other members.

At this time, the ground is built in the left-right moving cylinder so that the amount of expansion and contraction of the piston rod can be adjusted by adjusting the advance / retreat position of the ground in the left-right moving cylinder. Therefore, there is no need to provide a separate member that easily becomes an obstacle, and the left-right movement cylinder can be smoothly moved in the left-right direction, and the large display device itself can be made compact and lightweight. In addition, since the left and right movement amount adjusting means includes a screw portion for adjusting the length of the piston rod of the left and right movement cylinder, the expansion and contraction amount of the piston rod can be reduced by adjusting the screw portion. Set it properly,
The moving amount of the upper display board by the left and right moving cylinder can be made appropriate. The lower end of the vertical lift cylinder is pivotally supported on the base on which the upper display board and the lower display board are mounted, and the upper display board is mounted on the upper end of the vertical lift cylinder. At the same time, the upper display board is pivotally supported so as to be able to swing left and right, the upper display board is vertically suspended by its own weight, and a left / right moving cylinder is provided between the up / down cylinder and the base. The mounting position adjuster is capable of adjusting the mounting position of the upper end of the vertical lifting cylinder in the left-right width direction so as to align the mounting position on the virtual vertical line passing through the position of the center of gravity of the upper display board. In this way, after assembling the large display device, if it is found that the mounting position of the upper end of the vertical lifting cylinder is deviated from the virtual vertical line passing through the position of the center of gravity of the upper display board, the mounting position is adjusted. The upper display board is vertically suspended by its own weight by adjusting the mounting position of the upper end of the vertical lifting cylinder by the body in the left-right width direction so as to match the virtual vertical line passing through the position of the center of gravity of the upper display board. it can. As a result, the bonding property of the upper and lower display boards stacked vertically can be ensured well, and the stacking work efficiency and the image effect of the display boards can be improved.

[Brief description of the drawings]

FIG. 1 is a side view of a power carrier having an assembly and storage structure for a large display device according to the present invention.

FIG. 2 is an explanatory rear view of the power carrier.

FIG. 3 is an explanatory view of an assembly operation state of the large display device.

FIG. 4 is an explanatory view of the assembling operation state.

FIG. 5 is an explanatory view of the assembling operation state.

FIG. 6 is an explanatory view of the assembling operation state.

FIG. 7 is a partially cutaway front view of the left / right moving cylinder.

FIG. 8 is a partially cutaway enlarged front view of the mounting position adjusting body.

FIG. 9 is an enlarged side view of the mounting position adjusting body.

[Explanation of symbols]

 Reference Signs List A Large display device B Power carrier 5 Base 6 Packing box 7 Mounting position adjuster 9 Cylinder for vertical movement 10 Cylinder for horizontal movement

────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-61-39089 (JP, A) JP-A-62-189490 (JP, A) JP-A-2-306288 (JP, A) JP-A-5 46102 (JP, A) Fully open sho 59-121676 (JP, U) Fully open sho 59-35975 (JP, U) Fully open sho 59-138889 (JP, U) (58) Fields investigated (Int. ⁷ , DB name) G09F 21/04

Claims (4)

(57) [Scope of request for utility model registration] An upper display board is mounted on an upper end of the vertical lifting cylinder by pivotally supporting a lower end of a vertical lifting cylinder on a base on which the upper display board and the lower display board are mounted. Further, a left / right moving cylinder is interposed between the up / down lifting cylinder and the base, and the left / right moving cylinder is provided with a left / right moving amount adjusting means. No
Equipped with a gland to adjust the amount of expansion and contraction of the ston rod
Assembly and storage structure of a large display device, characterized in that that. 2. The ground is built into the cylinder for moving left and right.
To move forward and backward within the cylinder for horizontal movement of the ground.
Adjustable piston rod extension by adjusting the position
The assembly and assembly of the large display device according to claim 1,
Storage structure. 3. An upper display board and a lower display board are mounted.
The lower end of the vertical lifting cylinder can be swung right and left on the base
On the upper end of the vertical cylinder.
And move it between the up / down cylinder and the base.
A left-right moving cylinder is interposed in the
The right and left movement amount adjusting means is provided on the cylinder of the left and right movement cylinder.
Includes a screw for adjusting the length of the ston rod
Assembly and storage of large display devices characterized by having
Construction. 4. An upper display board and a lower display board are mounted.
The lower end of the vertical lifting cylinder can be swung right and left on the base
On the upper end of the vertical cylinder.
The de with attached via a mounting position adjusting member, the upper display
Pivot the board so that it can swing left and right, and
Hang it vertically by its own weight.
Interposed left and right moving cylinder between the cylinder and the base, the mounting position adjusting member is collected in the upper end of the vertical lifting cylinders
A virtual vertical line passing through the center of gravity of the upper display board
The mounting position can be adjusted in the left-right width direction to align it on the top
An assembling and storing structure for a large display device.