JP2001224441A - Quake-resistant desk for small children - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a quake-resistant desk for small children which has a simple structure and is strong enough not to be easily crushed when a heave thing falls down on it to protect children taking a shelter under it and save their lives at the time of an earthquake. SOLUTION: The quake-resistant desk comprises a top plate which encloses a reinforcing plate provided with a large number of punched holes, a plurality of leg sections foldably installed below the top plate and a single or a plurality of holding bard foldably installed below the center of the top plate. The leg sections and the holding bars have engaging means to keep hanging from the top plate and on all or part of the leg sections there are installed rollers or casters for transfer, which come into contact with the ground when a desk is leaned.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an earthquake-resistant infant desk suitable for use in places where infants gather, such as nursery schools and kindergartens.

[0002]

2. Description of the Related Art Conventionally, in a nursery school or a kindergarten, when an earthquake is encountered during childcare or class, it is explained as a safety measure that an infant first evacuates under a used infant desk. This is also practiced during evacuation drills at the time of the initial movement assuming an earthquake.

[0003]

In this case, the infant desk must be sufficiently strong so as not to be easily crushed, and the safety of the infant evacuated under the infant desk must be ensured. Must also be carefully considered.

An object of the present invention is to have a structure that is simple in structure, has a strength not to be easily crushed even if a heavy object falls or falls down in the event of an earthquake, and has evacuated under an infant desk. It is an object of the present invention to provide an earthquake-resistant infant desk that can ensure the safety of schoolchildren's body and life.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention provides a top plate enclosing a reinforcing plate having a number of punched holes therein, and a foldable plate below the top plate. It consists of a plurality of attached legs and one or more gripping rods which are also foldably attached below substantially the center of the top plate, wherein the legs and the gripping rods are:
It is characterized by having locking means for maintaining a hanging state from the top plate.

The present invention also provides a metal pipe frame,
A top plate enclosing a reinforcing plate provided with a large number of punched holes inside the top plate, a plurality of legs foldably mounted below the top plate, One or more gripping rods which are also foldably attached below the central part, wherein the legs and the gripping rods have locking means for maintaining a hanging state from the top plate. Features.

The present invention further provides a metal pipe frame in which beam members are stretched in the vertical and horizontal directions inside, and a large number of spaces stretched in the space between the frame members and the beam members or in the upper portion of the frame. A reinforcing plate provided with a punched hole, a top plate enclosing a reinforcing plate provided with a large number of punched holes inside mounted on the upper portion of the frame, and a plurality of foldably mounted below the top plate. A leg and one or more gripping rods which are also foldably attached below a substantially central portion of the top plate, wherein the leg and the gripping bar are used to maintain a hanging state from the top plate. It is characterized by having stopping means 1 and 2.

In any of the above cases, a part of the leg can be provided with a moving roller or a caster that contacts the ground when the desk is inclined.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows an embodiment of the present invention, in which a reference symbol 1 is a top plate, and this top plate 1 has a substrate plate 1a, as shown in FIG. A large number of punch holes 2a, 2a,.
A punch plate 2 made of metal such as steel or stainless steel plate, and a decorative plate 3 adhered to a lower side of the punch plate 2.
One top plate 1 is formed by bonding b and 1b.

[0010] In the vicinity of each corner on the lower surface of the top plate 1, as shown in FIG.
Are fixed by a plurality of screws 5, and a total of four legs 6 are attached to each of the mounting plates 4 so as to be foldable in the longitudinal direction of the top plate 1.
As shown in FIG. 5, each of the legs 6 has a pair of support pieces 7, each of which is provided with a mounting piece 6 a projecting in a radial direction at an upper end thereof and is attached to each mounting plate 4. 7 is mounted so as to be rotatable in one direction (folding direction) via hinge pins 8. The pair of legs 6 in the short direction are connected by connecting members 9, 9 so that they can be folded together.

Adjustment seats 6b for adjusting the height are screwed to the lower ends of the legs 6. The adjustment seat 6b may be a simple rubber seat fitted to the lower end of the leg 6. A locking means A described below is attached to one of the pair of legs 6, that is, one that is aligned in the longitudinal direction, at the upper end side, particularly as shown in FIG. 5. That is, a locking hole 6c is provided at a position opposite to the mounting piece 6a, and a stopper pin 10 projects from a case 11 fixed to the mounting plate 4 so as to fit into the locking hole 6c. The pin 10 is fitted into the locking hole 6c to prevent the pair of legs 6, 6 ... from being naturally folded. The stopper pin 10 is urged to slide in one direction by a compression spring 12 inside the case 11. A knob 10 a is attached to the stopper pin 10, and the knob 10 a is an elongated hole 11 a provided in the case 11.
The stopper pin 10 projects out of the case 1 against the elasticity of the compression spring 12.
By pulling back inside, the tip can be detached from the locking hole 6c.

Next, the central part in the longitudinal direction of the top plate 1 and the top plate 1
At the location located between the two end portions and substantially at the center in the short direction, as shown in FIG. 4, the mounting plates 13, 13 each having a substantially rectangular planar shape slightly shift the position in the short direction from each other. A plurality of screws 14, 14,... Are mounted so as to be shifted, and a pair of mounting plates 13, 13, which are opposed to each other at a predetermined interval, particularly as shown in FIGS. Are mounted at predetermined intervals. Grasping bars 16, 16 are attached to the support members 15, 15 via hinge pins 17, 17 so as to be rotatable in one direction (folding direction). The holding bars 16, 16 are configured to maintain their upright state by the locking means B, B, respectively. Describing one of the locking hands B, B, the pivotal support position of the gripping rods 16, 16 by the hinge pins 17, 17 is slightly shifted from the center thereof. Elongated holes 15a, 15a are provided in a longitudinal direction on one side of each support member 15, and stopper holes 1 are provided in the elongated holes 15a, 15a.
8, 18 are inserted so as to be able to move up and down. The stopper pins 18, 18 have flanges 18a, 18a at one end thereof.
And nuts 19, 19 and the like are screwed to the other end side so as not to come out of the long holes 15a, 15a.
Therefore, the holding rods 16 and 16 are
The elongated holes 15a, 15
a stopper pin 18, which has dropped to its lower end under its own weight,
Due to 18, the hinge pins 17 and 17 do not naturally rotate in the folding direction about the fulcrum. In addition, by shifting the pivotal support position by the hinge pins 17 in the opposite direction, the upper end thereof is attached to the mounting plate 13, 1.
3 and does not rotate, and the hanging state can be stably maintained. And grab stick 1
Adjustment seats 16a, 1 for height adjustment are provided at the lower ends of 6, 6
6a is screwed. The adjustment seats 16a, 1
6a may be a rubber seat fitted to the lower ends of the grip bars 16,16.

The support member 1 for each of the mounting plates 13, 13
Next to 5 and 15 are folded gripping rods 16 and 16
Locking members 20, 20 for locking are mounted via mounting plates 20a, 20a, as shown in particular in FIG. The locking members 20, 20 are elastic members, and are caught by their catch portions 20b, 20b.
6 and 16, and the holding state is maintained by its own elasticity.

On the other hand, adjusting pins 21, 21... To which rubber bushes 21a, 21a... Are attached protrude downward from the respective mounting plates 4, 4,. When the plurality of desks are piled up by folding the holding bars 16, 16, the legs 6 and the holding bars 16 are designed not to hit the top plate 1.

Therefore, as shown in FIGS. 1 and 3,
When each leg 6 is hung below the top plate 1, as shown in FIGS. 5 and 6 to 7, the upper end of each leg 6 abuts on the lower surface of the mounting plate 4, and One of the paired members in the direction is fitted with the stopper pin 10 in the locking hole 6c, so that the stopper pin 10 is naturally supported so as not to bend around the hinge pin 8 as a fulcrum. The grab stick 16
As shown in FIGS. 1 and 3, when each of the gripping bars 16, 16 is hung below the top plate 1, particularly, FIGS.
As shown in FIG. 2, the upper end portion of the gripping bar 1 contacts the lower surface of the mounting plate 13 and the stopper pin 18 and the hinge pin 17 that supports the gripping bar 16 as described above.
Due to the eccentric support for 6, the hinge pin 17 does not bend naturally around the fulcrum. FIG. 1 and FIG. 3 show this state. The infant desk 23 is used in this state, but when an earthquake is encountered during use, the infants escape under the top plate 1 and cling to the bar 16 as shown in FIG. By having a child desk 23
It can protect itself from falling objects without being thrown out of the ceiling, and the top plate 1 has a reinforcing plate 2 sealed therein, so that even heavy falling objects can be easily destroyed. Without this, the body and life of the infants evacuated under the top plate 1 can be protected.

Of the four legs 16 of each pair, the one positioned on one side in the short direction, but the mounting position is set slightly upward on the lower end so that when the infant desk 23 is tilted, it touches the ground. Rollers 22, 22 are mounted. 22a, 22a
Is a cover for covering the rollers 22,22.

Therefore, in a nursery school or a kindergarten, when an earthquake occurs during nursery in a nursery room, the child or the mother escapes under the infant desk 23, and as shown in FIG. By clinging to 16, it is possible to prevent the body from jumping out from under the infant desk 23 even under severe shaking, thereby ensuring the safety of the body and life against falling objects. In addition, in the event of an earthquake in which the building collapses and the ceiling and beams fall, the infant desk can withstand heavy falling objects without crushing, and the children and nurses who have evacuated under the infant desk will not be crushed. It can protect the body and life.

In another embodiment, a substantially rectangular frame made of a metal pipe may be attached to the lower surface of the top plate. When implemented in this manner, there is an advantage that the crushing strength of the top plate is further increased.

Furthermore, a top plate not enclosing the reinforcing plate may be used, a metal pipe frame may be attached to the lower surface of the top plate, and a reinforcing plate provided with a large number of punch holes may be stretched in the frame. The reinforcing plate may be formed as a single piece and may be stretched over the upper surface of the frame 25.

[0020]

The present invention is configured as described above.
The following effects can be obtained.

According to the first aspect of the present invention, since a reinforcing plate capable of increasing the crushing strength is enclosed in the top plate, a plurality of infant desks are overlapped by folding the legs and holding rods. At the time, the reinforcing plate was not exposed on the back side of the top plate and it was not ugly, and after evacuating under the top plate of the infant desk in the event of an earthquake and holding on to the stick, The body can be protected from falling objects without being thrown out of the board, and the top plate is reinforced with a reinforcing plate, so it can easily crush even heavy falling objects It can protect the life and body of infants who have evacuated under the tabletop without having to do so.

According to the second aspect of the present invention, since the crushing strength of the top plate is further increased, there is an effect that the safety of the body and life of infants evacuated to the lower portion of the top plate can be further improved. .

According to the third aspect of the present invention, the reinforcing plate is exposed on the lower surface of the top plate. However, since there is an advantage that the crushing strength is further increased, the safety of the body and life of infants is further reduced. It can be planned.

According to the fourth aspect of the present invention, when the infant desk is moved, there is an advantage that if the infant desk is tilted, the rollers contact the floor and can be easily moved.

[Brief description of the drawings]

FIG. 1 is a front view of an earthquake-resistant infant desk according to the present invention.

FIG. 2 is an exploded perspective view of a top plate of the earthquake-resistant infant desk shown in FIG.

FIG. 3 is a right side view of the seismic infant desk shown in FIG. 1;

FIG. 4 is a bottom view of the earthquake-resistant infant desk shown in FIG. 1;

FIG. 5 is an enlarged front sectional view of a portion where the leg is attached to the top plate.

FIG. 6 is an enlarged front sectional view of a portion where the gripping bar is attached to the top plate.

FIG. 7 is an enlarged left side sectional view of a portion where the gripping bar is attached to the top plate.

FIG. 8 is an explanatory diagram showing a state when moving to an infant desk.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS A Locking means B Locking means 1 Top plate 1a Substrate plate 1b Edge member 2 Reinforcement plate 2a Punch hole 3 Decorative plate 4 Mounting plate 6 Leg 13 Mounting plate 16 Holding rod 20b Catch 21 Support pin

Continuation of the front page F term (reference) 3B053 GA03 GB00 NR01 PA05 PB05 PC04 3B069 CA03 CA06

Claims (4)

[Claims] 1. A top plate enclosing a reinforcing plate provided with a number of punch holes therein, a plurality of legs foldably attached below the top plate, and a substantially central portion of the top plate. It comprises one or more gripping rods which are also foldably mounted below, wherein the legs and the gripping rods have locking means for maintaining a hanging state from the top plate. , Earthquake-proof infant desk. 2. A top plate in which a metal pipe frame, a reinforcing plate provided with a large number of punched holes inside and attached to the upper portion of the frame are enclosed, and foldable below the top plate. It is composed of a plurality of attached legs, and one or more gripping bars similarly foldably attached below a substantially central portion of the top plate, wherein the legs and the gripping bars are suspended from the top plate. An earthquake-resistant infant desk, characterized by having locking means for keeping. 3. A metal pipe frame in which beam members are stretched in the vertical and horizontal directions on the inside, and a large number of punch holes formed in a space between the frame members and the beam members or in an upper portion of the frame member. A provided reinforcing plate, and a top plate enclosing a reinforcing plate provided with a number of punch holes inside the frame attached to the upper portion of the frame,
It consists of a plurality of legs that are foldably attached below the top plate, and one or more grip bars that are also foldably attached below a substantially central portion of the top plate. An earthquake-resistant infant desk, comprising locking means 1 and 2 for maintaining a hanging state from the top plate. 4. A moving roller or a caster which is attached to all or a part of the leg portion to be in contact with the desk when the desk is tilted. The infant desk for seismic resistance described in 2.