JP2000014474A - Writing board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To use a writing board such as an electronic white board while directly erecting the board main body on tatami or the like with a favorable stability without using a separate low stand or the like. SOLUTION: On the right and left of a flat white board main body 11 having a writing face S on the front face side, a vertical frame 21 is provided, and a joint member 20 is attached to the vertical frame 21, and the vertical frame 21 is fitted on the leg of a stand, and the leg and the vertical frame 21 are linearly connected with the joint member 20, and the white board main body 11 is stored and supported by the stand. Then, when the white board main body 11 is used while being directly stood on an installation face A of tatami without using the stand, by pulling out a supporting member 25 from the inside of the joint member 20 to form a supporting location, and the supporting location is held by a stopper 30.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a writing board for writing characters and pictures on a writing surface of a flat board body such as an electronic blackboard, a whiteboard, a bulletin board and a message board using a writing instrument.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 7, a flat blackboard main body 1 is supported upright on a stand with casters 2 so that it can be used freely as shown in FIG. There is.

In such an electronic blackboard, the stand 2 is
It comprises left and right legs 3 which are welded to two square pipes and assembled in an inverted T-shape, and a reinforcing stay 4 having both ends fixed to the legs 3. On the other hand, the blackboard main body 1 is provided with a base frame 5 formed in a rectangular frame shape with a plurality of square pipes on the rear side. The base frame 5 is configured such that short rectangular pipe-shaped joint members 6 are respectively fixed to the lower ends of the left and right vertical frames 5a and protrude downward.

Then, the joint member 6 is fitted to the upper end of the leg 3 to linearly connect the leg 3 and the vertical frame 5a, and the blackboard main body 1 is fixed and supported on the stand 2 with screws 7.

Conventionally, in such a stand-type electronic blackboard, for example, when a meeting or the like is performed by sitting on a tatami mat in a room, the blackboard main body 1 is leaned against a wall or a pillar without using the stand 2. May be used.

[0006] In addition, another electronic blackboard is provided with a stand having a low leg height. When a meeting or the like is to be held in a parlor, the low exclusive stand is used, and the blackboard main body 1 is placed on the stand. Some are used by attaching.

[0007]

However, in the conventional electronic blackboard and the like, there is a problem that the blackboard main body 1 is unstable and easily falls down when the blackboard main body 1 is used standing on a wall or a pillar as described above. is there. In addition, when a stand with low legs is used, there is a problem in that the cost is increased by the necessity of a special stand.

[0008]

The writing board according to the first aspect of the present invention has a writing surface S on the front side and a left and right side, as in an embodiment described with reference to the following drawings. A flat board body such as a blackboard body 11 provided with a vertical frame 21, a joint member 20 provided on the vertical frame 21 of the board body, and legs 12 on the left and right sides, and the joint member 20 is fitted to the legs 12. A stand 10 for linearly connecting the legs 12 and the vertical frame 21 to stand up and support the board body, and a storage position for storing the stand 10 in the joint member 20 when the stand 10 is used; When the board body is used standing upright on the installation surface A without using the stand 10, it is pulled out from the joint member 20 to support the board body. Comprises a supporting member 25, a stopper 30 is held in position supporting the support member 25,
It is characterized by the following.

When using the stand 10,
Attach the joint member 20 to the left and right legs 12
And the vertical frame 21 are linearly connected, and the board body is supported on the stand 10 by standing upright. On the other hand, when the board body is used directly on the installation surface A such as a tatami mat without using the stand 10, the support member 25 is pulled out from the joint member 20 to a support position, and the support member 25 is moved to the support position. The board is held by the stopper 30 and supported.

According to a second aspect of the present invention, in the writing board according to the first aspect, for example, as in an embodiment described with reference to the following drawings, the stopper 30 is provided.
When the stand 10 is used, the stand 10 is used as a storage position for storing the joint 10 in the joint member 20.
When the board body is used standing upright on the installation surface A without using it, the board body is pulled out from the joint member 20 to be in a use position, and when the board body is in the use position, the board body is engaged with the support member 25. In addition, an engaging portion such as an engaging hole 35 for holding the supporting member 25 at the supporting position is provided.

When the board body is used standing upright on the installation surface A, the stopper 3 is connected to the joint member 20.
Then, the support member 25 is engaged with the engaging portion of the stopper 30, and the support member 25 is held by the stopper 30 at the support position.

According to a third aspect of the present invention, in the writing board according to the first aspect, for example, as in the embodiment described below with reference to the drawings,
Mounting holes 4 in the legs 12 or the joint members 20
0 is provided in a plurality of stages so that the mounting height position of the board body with respect to the stand 10 can be adjusted.

When the board body is installed on the stand 10, the height is adjusted to a desired height.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 2 is a perspective view showing the electronic blackboard according to the present invention in a use mode using a stand.

First, a stand 10 is provided on the electronic blackboard.
And a blackboard body (“board body” according to the present invention) 11 supported by a stand 10.

The stand 11 is composed of left and right legs 12 in which two square pipes are welded and assembled in an inverted T-shape.
And a reinforcing stay 15 whose both ends are fixed. Leg 12
Are provided with casters 13, respectively.

On the other hand, the blackboard main body 11 is provided with a base frame 14 formed in a rectangular horizontally long flat shape as a whole and formed in a rectangular frame shape with a plurality of square pipes on the rear side. Base frame 14
Is formed by attaching the joint member 20 to the lower ends of the left and right vertical frames 21.

The joint member 20 includes the leg 12 and the vertical frame 2.
1 is formed by bending a long sheet metal into a U-shape so that it can be inserted into the first sheet metal. Then, the upper end portions are vertically framed 21 respectively.
And fixed by spot welding or the like, with the lower end protruding downward in the figure.

The endless writing sheet 16 is provided between the left and right rollers supported on the front side of the base frame 14.
, A part of the writing sheet 16 is exposed from the front window a of the window frame 17 attached to the base frame 14, and the writing surface S is formed there. Although not shown, the blackboard main body 11 includes an optical reader attached to and supported by the base frame 14.

Further, at the lower part of the base frame 14,
The printer includes a printer 18 and an operation unit 19 provided with various switches. On the other hand, the window frame 17 is provided with an elongated plate-shaped pen tray 22 along the lower edge thereof.

In the illustrated electronic blackboard, the blackboard body 11
, The joint member 20 is fitted to the upper end of the leg 12, the leg 12 and the vertical frame 21 are linearly connected, and the base frame 14 is fixed on the stand 10 with screws. Stand up and support.

When the electronic blackboard is used, characters, pictures, and the like are written on the writing surface S by using a writing implement such as a marker pen on the pen tray 22.

When making a copy of the written content, the copy switch on the operation unit 19 is operated to convey the writing sheet 16, and the written content on the sheet 16 is read by the optical reading device, and a signal from the optical reading device is read. Printer 18
Then, the recorded paper is discharged while the read contents are reduced and recorded on the paper stored in the printer 18.

On the other hand, when erasing the written contents, the written contents are wiped off by wiping the writing surface S with an eraser as appropriate.

As shown in FIG. 1, the above-described electronic blackboard can be used by standing the blackboard main body 11 directly on the installation surface A such as a tatami mat without using the stand 10. Therefore, in the illustrated electronic blackboard, the base frame 1
As shown in FIG. 3 which shows the support member 4 as viewed obliquely from the rear, support members 25 indicated by reference numerals 25
And a stopper indicated by reference numeral 30 provided in a connected manner.

As shown in FIG. 4, a substantially middle position and a lower end position of the opposing bent pieces 20a in the height direction are respectively recessed inward by, for example, drawing, and a circular screw mounting portion is formed on the joint member 20. 20b and 20c are formed. Then, at the center of the screw mounting portions 20b and 20c, FIG.
A through hole 26 is provided as shown in FIG.

As shown in FIG. 4, the support member 25 is made of an elongated metal plate, and is formed by bending one end into an L-shape to form a hook 25a thereat and bending the other end into an annular shape. The other end of the annular member is passed through a support shaft 27 that extends between the screw mounting portions 20b of the joint member 20, and is connected to the joint member 20 so as to be rotatable around the support shaft 27.

The support shaft 27 has female screw holes on the inner periphery of both ends. As shown in FIG. 5, a stepped screw 28 is screwed into the female screw hole 27a through the through hole 26 from outside the screw mounting portion 20b. It is attached to the member 20.

As shown in FIG. 4, the stopper 30 is formed by bending both sides of a sheet metal into a similar U-shape so as to have a size to fit into the joint member 20, and forming one end of the opposite bent piece 30a. A shaft insertion hole (not shown) for the support shaft 29 is provided in the portion. Further, in this example, a square engaging hole 35 is provided in the base plate piece 30b between the bent pieces 30a.
The engagement hole 35 is formed in a size such that the corner of the latch portion 25a of the support member 25 is fitted and latched to the edge of the hole.

The stopper 30 shown in the figure passes through a shaft insertion hole through a support shaft 29 which is bridged between the screw mounting portions 20c of the joint member 20, and is connected to the joint member 20 so as to be rotatable about the support shaft 29. I do. The support shaft 29 is attached to the joint member 20 by screwing a stepped screw 32 from the outside of the screw mounting portion 20c into the female screw holes at both ends, similarly to the support shaft 27 of the support member 25.

When the blackboard main body 11 is used standing on the stand 10, the support member 25 and the stopper 30 are used.
Are sequentially rotated so as to be stacked in the joint member 20 as shown in FIG. Then, as described above, the blackboard body 11
And the joint member 20 containing the support member 25 and the stopper 30 is fitted to the upper end of the leg 12 so that the leg 1
2 and the vertical frame 21 are linearly connected.

On the other hand, for example, when a meeting is to be performed while sitting on a tatami mat, when the blackboard main body 11 is used directly on the tatami mat without using the stand 10, the blackboard main body 1 is used.
While supporting 1 by hand, the stopper 30 on one side is rotated and pulled out from the joint member 20 as shown in FIG. Then, the support member 25 is rotated, pulled out from the same joint member 20, and the hook 25 a is hooked on the hole edge of the engagement hole 35.

Similarly, the stopper 30 on the other side is pulled out from the joint member 20 and falls down on the installation surface of the tatami mat, the support member 25 is pulled out from the same joint member 20 and the latching portion 25a is inserted into the hole of the engagement hole 35. Hang it on the rim. Then, the support member 25 is prevented from directly hitting the tatami and damaging it. Then, as shown in FIG.
Is supported by the supporting member 25, and the supporting member 25 is stopped and held by the stopper 30 at the supporting position.

In the illustrated example, the blackboard body 11
Is supported by the support member 25 at an angular position where the writing surface S is slightly inclined upward. Therefore, the stopper 30 engages with the latching portion 25a at this slightly inclined support position, and
An engagement hole 35 shown in FIG.

In the illustrated example, the engaging hole 35 is provided in the stopper 30 as an engaging portion for holding the support member 25. However, the present invention is not limited to this. The support member 25 may be stopped at the portion and held at the support position.

By the way, in the illustrated example described above, as shown in FIG.
For example, mounting holes 40 made of, for example, screw holes are provided in upper and lower stages so that the mounting height position of the blackboard main body 11 with respect to the stand 10 can be adjusted. In this example, the mounting holes 40 are provided in two stages, but may be more.

When the blackboard main body 11 is used by assembling it on the stand 10, either the upper or lower mounting hole 40 is required.
Is selected, and a set screw is screwed into the mounting hole 40 to fix the blackboard main body 11 on the stand 10, for example, at a desired height position where writing is easy.

In the illustrated example, a mounting hole 40 is provided in the joint member 20 for height adjustment.
May be provided in a plurality of stages so that the mounting height position of the blackboard main body 11 can be adjusted.

In the above-described electronic blackboard, the stand 1
When 0 is used, the blackboard main body 11 can be supported by the support member 25 and can be set upright on the floor or the like until the assembly work of the stand 10 is completed.

In general, when there is no space to lay the blackboard main body nearby when the stand is assembled, if the blackboard main body is placed on a desk or a wall, the blackboard main body may fall down and be damaged. . However, as described above, by supporting the blackboard main body 11 with the support members 25 during the assembling work, the blackboard main body 11 can be prevented from falling down and being damaged.

[0041]

According to the first aspect of the present invention, when the board body is used standing upright on an installation surface such as a tatami mat, the supporting member is changed from the joint member provided on the vertical frame of the board body. Since the board is supported by pulling it out and holding the supporting members with stopper members, there is no problem that the board body is unstable and easy to fall as in the past, and there is no need for a dedicated stand with low legs. Cost can be reduced.

According to the second aspect of the present invention,
When the stand is used, the fitting of the joint member to the legs of the stand can be enabled by housing the stopper in the joint member. Further, when supporting the board body with the support member, an engagement portion for holding the support member is provided in the stopper, whereby the board body can be more stably supported by the support member.

According to the third aspect of the present invention,
A plurality of mounting holes are provided on the legs or joints of the stand to adjust the mounting height of the board body relative to the stand.When using the board body on the stand, it is easy to use the board body. Can be used according to height.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an electronic blackboard according to the present invention in a mode in which the blackboard body is used standing upright on a tatami mat without using a stand.

FIG. 2 is a perspective view showing the electronic blackboard in a mode in which the blackboard body is used standing on a stand.

FIG. 3 is a perspective view showing an upright base frame of the blackboard main body as viewed obliquely from behind.

FIG. 4 is an enlarged perspective view showing a state in which a support member and a stopper member are pulled out from a joint member of the base frame to support the blackboard main body.

FIG. 5 is a longitudinal sectional view of a portion of the joint member to which a support shaft of a support member is attached.

FIG. 6 is an enlarged perspective view showing a state in which a support member and a stopper member are both housed in the joint member.

FIG. 7 is a perspective view showing a conventional electronic blackboard in a mode in which the blackboard body is used standing on a stand.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Stand 11 Blackboard main body (board main body) 12 Legs 20 Joint member 21 Vertical frame 25 Supporting member 30 Stopper 35 Engagement hole (engagement part) 40 Mounting hole A Installation surface S Writing surface

Claims (3)

[Claims] 1. A flat board body having a writing surface on the front side and a vertical frame on the left and right sides, a joint member provided on the vertical frame of the board body, legs on the left and right sides, and the legs have A stand for linearly connecting the legs and the vertical frame by fitting a joint member, and supporting the board body in an upright position; and when the stand is used, a storage position for storing the board body in the joint member. When the board body is used standing upright on an installation surface without using, a support member that is pulled out from the joint member to be a support position for supporting the board body, and a stopper that holds the support member at the support position A writing board comprising: 2. The method according to claim 1, wherein the stopper is a storage position in which the stand is stored in the joint member when the stand is used, and when the board body is used standing upright on an installation surface without using the stand, 2. The stopper according to claim 1, further comprising an engaging portion that is pulled out from the joint member to a use position and engages with the support member when the stopper is in the use position to hold the support member at the support position. 3. Writing board described. 3. A plurality of mounting holes are provided in the leg or the joint member of the stand so that a mounting height position of the board body with respect to the stand can be adjusted.
The writing board according to claim 1.