JP4896432B2 - Earthquake evacuation table - Google Patents

Description

  The present invention functions as a table that is a piece of furniture in everyday life, and in the event of an earthquake, it is possible to evacuate to the interior space below the earthquake evacuation table, ensuring a safe space even if the building collapses or is partially damaged The present invention relates to an earthquake evacuation table that protects refugees from earthquake injuries and ensures safety of life.

  Recently, earthquakes that hit Niigata in Japan are new to memory, but earthquakes have occurred on a global scale like the Sumatra earthquake, and in Japan, Tokai earthquakes have been predicted for a long time, Many people are worried about the seismic strength of their homes.

  In 1981 (Showa 56), the earthquake resistance of the building was legally strengthened and enforced, but most of the wooden houses started before that time required some kind of earthquake resistance, and the Tokai earthquake was followed by Hanshin and Awaji. It is predicted that the scale of the earthquake would have struck the earthquake, so even the buildings after the legal strengthening of earthquake resistance in 1981 are not sufficient.

  As a result of seismic diagnosis, it is judged that there is a risk of collapse or major destruction, and when earthquake-proof reinforcement is necessary, only a part of the houses have already implemented or can perform earthquake-proof reinforcement. However, despite the necessity of seismic reinforcement, a large amount of funds are required for the seismic reinforcement work for buildings, so most houses cannot be seismically strengthened due to economic reasons. I spend every day there.

  The wooden house built in the construction site needs to be reinforced in the event of an earthquake, but it is difficult to implement the reinforcement. The cause was the large amount of funds required for the seismic reinforcement work for the building and the problem of relocation during construction.

  Therefore, various ideas for securing an evacuation space have been proposed in order to ensure the safety of residents when a house living in an earthquake collapses or is partially damaged.

For example, in the first conventional earthquake evacuation table, a plurality of vertical rods having appropriate pipe diameters and lengths erected on a receiving plate having a plurality of anti-slip pads disposed on the lower surface, and opposing vertical bars. From a plurality of upper ridges connecting the ridges, a plurality of side ridges connecting adjacent vertical ridges, a plurality of horizontal ridges connecting adjacent upper ridges, and an arch heel inscribed in the vertical ridge and the upper ridge It was designed based on the arch bridge principle and K truss rigidity, and it was placed in the room.
Registered Utility Model No. 3017578

In addition, the second conventional earthquake table includes a leg portion composed of five steel pipe columns arranged at the center portion and the periphery thereof, a joint attached to the upper end of the leg portion and having a reinforcing plate attached to the corner portion. A steel pipe frame member for connecting adjacent joints, a fixing means for fixing each support column and each frame member to the joint, and a table fixed to the upper surface of the frame member. It was arranged and prevented from being thrown out by clinging to the leg at the center of the earthquake.
JP-A-8-228844

  None of the above conventional earthquake evacuation tables are simply placed and fixed in the room, so the earthquake evacuation table moves laterally due to the rolling caused by the earthquake at the time of the earthquake, so in the case of a strong earthquake There was a problem that evacuees were thrown outside and it was not practical.

  Therefore, the present inventor has focused on the technical idea of the present invention in which the earthquake evacuation table is fixedly erected on a foundation portion embedded in at least a plurality of locations under the floor at a predetermined position in the room, and further research and development have been repeated. As a result, a safe evacuation space is secured in the event of an earthquake, and the earthquake evacuation table is prevented from moving laterally due to the rolling caused by the earthquake, and evacuees are thrown out even in strong earthquakes. The present invention has been achieved to achieve the object of avoiding this.

The earthquake evacuation table of the present invention (first invention according to claim 1) is:
A foundation embedded in at least a plurality of locations on the ground under the floor at a predetermined position in the room;
A plurality of steel leg portions with lower ends fixedly erected on the plurality of foundation portions, and having upper ends projecting upward from the floor surface to enable entry and exit during an earthquake; and
An upper steel frame connecting frame fixedly coupled to the upper ends of the plurality of steel frame legs;
A lower steel frame connecting frame portion fixed and connected to the lower ends of the plurality of steel frame legs,
Is collapsing load with Tsu also sufficiently withstand strength also act when building collapsed by an earthquake, in which comprises a box-type steel structure whose interior ensure evacuation space including underfloor and floor.

The earthquake evacuation table of the present invention (the second invention according to claim 2)
In the first invention,
A plurality of holes for height adjustment are formed in a part of the plurality of steel frame legs,
The foundation is constituted by a concrete block or a reinforced concrete foundation embedded in the ground at a portion corresponding to at least the lower ends of the plurality of steel leg portions.

The earthquake evacuation table of the present invention (the third invention described in claim 3)
In the first invention or the second invention ,
An iron plate top plate is fixed to the upper surface of the upper steel frame connecting frame,
At each corner where the members of the upper steel connection frame and the lower steel connection frame are orthogonal to each other and at each corner where the upper steel connection frame, the lower steel connection frame and the end of the steel leg are orthogonal A steel plate connecting plate is fixed .

The earthquake evacuation table of the present invention (the fourth invention according to claim 4) is:
In any one of the first invention to the third invention,
The steel leg part is composed of an upper leg part and a lower leg part, and a connection part in which a plurality of holes for height adjustment are formed on either one of the upper leg part and the lower leg part is projected. <br/>

The earthquake evacuation table of the present invention (the fifth invention according to claim 5)
In any of the fourth invention to not the first invention,
The plurality of steel leg portions are four steel leg portions,
Said base portion is embedded in the ground of a portion corresponding to the lower steel coupling frame for coupling to four of the addition to the base unit the four steel legs corresponding to the four steel legs foundation It is comprised by the reinforced concrete foundation which comprises the square -shaped foundation by (2), or the reinforced concrete foundation of a larger area than the top plate part made from the said steel plate .

The earthquake evacuation table of the present invention (the sixth invention according to claim 6) is:
In any one of the first invention to the fifth invention ,
An openable / closable lid is disposed in the opening formed in the floor surface so that the plurality of steel leg portions are disposed above the floor surface so as to protrude at a height that allows entry and exit during an earthquake. ,
An escape passage is arranged to communicate from a portion below the floor surface of the box-type evacuation space by the plurality of steel leg portions under the table to an opening of a building wall, and an refugee under the table, It is configured to allow escape from the evacuation space to the outside of the building .

In the earthquake evacuation table according to the first aspect of the present invention, the lower ends of the plurality of steel leg portions each having the upper steel frame connecting frame fixed to the upper end are embedded in at least a plurality of locations on the ground below the floor at a predetermined position in the room. Because it is fixedly installed on the foundation, a safe evacuation space is secured in the event of an earthquake, and the earthquake evacuation table is prevented from moving laterally due to the rolling caused by the earthquake when an earthquake occurs. Even in the case of a strong earthquake, it has the effect of avoiding the evacuees being thrown out.
In the earthquake evacuation table according to the first aspect of the present invention, since the lower steel frame connecting frame is fixedly connected to the lower ends of the plurality of steel frame legs, the rigidity of the lower part of the earthquake evacuation table is increased, and the earthquake with Tsu also sufficiently withstand strength even acts collapse load when building collapsed by comprising a box-type steel structure whose interior ensure evacuation space including underfloor and floor, the safe evacuation space during an earthquake There is an effect of ensuring.

The earthquake evacuation table according to a second aspect of the present invention configured as described above is the first aspect according to the present invention, wherein the foundation portion is configured by a concrete block embedded in the ground at a site corresponding to at least the lower ends of the plurality of steel leg portions. because there, to bring out the effects of allowing the provision of relatively inexpensive and can be construction in a simple Rutotomoni, strong earthquake evacuation table for evacuees even in the case of an earthquake is to avoid being thrown to the outside, also Since the foundation is composed of the divided reinforced concrete foundation, it is possible to construct the reinforced concrete foundation relatively inexpensively and easily, and avoiding the evacuees being thrown out even in the event of a strong earthquake. with addition to the advantage of enabling the provision of seismic escape table, a portion of the plurality of steel legs By made a plurality of holes of the for height adjustment, an effect that makes it possible to adjust to the optimum height to enable out during an earthquake.

The third seismic evacuation tables of the invention having the construction described above, in the first or second aspect, the top plate portion made the iron plate, since it is fixed to an upper surface of the upper steel coupling frame, earthquake when with the collapse of the building, columns, beams, it is not any other part penetrates even dropped to the top plate, together with the effect of protecting the evacuees, the upper steel coupling frame and the lower steel frame Steel plate connection plates are fixed to each corner of the connecting frame where each member is orthogonal and each corner where the upper steel connecting frame and lower steel connecting frame and the end of the steel leg are orthogonal. since it is, to enhance the connection rigidity between the upper steel coupling frame and rigidity of the lower steel coupling frame and the upper steel coupling frame and an end portion of the steel legs of the lower steel coupling frame, the building by earthquake Collapsed To achieve box-type steel structure which is collapsed load with sufficient withstand strength acts on the case, there is an effect that reliably ensure safe evacuation space during an earthquake.

Earthquake evacuation tables of the fourth aspect of the present invention having the above configuration, in any one of the third aspect of the present invention to not the first invention, the steel legs, divides and the upper leg and the lower leg, upper A plurality of holes for height adjustment are formed in the connecting part protruding from either the leg part or the lower leg part, so that the lower table and the upper table are manufactured in advance by welding steel frames in the factory. As a result, the weight brought into the site can be reduced, and the height can be adjusted and fixed at the site, so that the construction cost can be kept low .

Earthquake evacuation table of the fifth aspect of the present invention having the above configuration, in any one of the fourth invention to not the first invention, the plurality of steel legs, a four steel legs, said base portion, said In addition to the four base portions corresponding to the four steel leg portions, the B-shaped by the base embedded in the ground corresponding to the lower steel connection frame portion connected to the four steel leg portions . Since it is constituted by a reinforced concrete foundation that constitutes the foundation, the reinforced concrete foundation that constitutes the B-shaped foundation of the entire portion corresponding to the steel leg and the lower steel coupling frame that is coupled to the steel leg. Because of its high rigidity, it effectively prevents the earthquake evacuation table from moving laterally due to the rolling caused by the earthquake, and ensures that the evacuees are not thrown out even in the event of a strong earthquake. That The effect say.
In the earthquake evacuation table according to the fifth aspect of the present invention, since the foundation portion is constituted by a reinforced concrete foundation having a larger area than the top plate portion made of iron plate, a load is applied to the table due to the earthquake when the earthquake occurs. When it acts, since the load per area of the foundation part is reduced, the effect of increasing the seismic load resistance of the foundation part is exhibited.

High sixth seismic evacuation tables of the invention, in any one of the first invention through the fifth invention, the plurality of steel legs, which allows the entry and exit of earthquake above said floor surface since said the opening formed in the floor surface to arranged by protruded, the openable lid is disposed, while enabling the use of as a table close to the normal, seismic is opened It has an effect of enabling use as an evacuation space, and communicates from a portion below the floor surface of the box-type evacuation space by the plurality of steel leg portions under the table to an opening of a building wall. because escape passage is provided, that if you expect secondary collapse of the building earthquake subsided, the evacuees under the table, makes it possible to escape from the evacuation space to the building outside Achieve the results.

  The best mode for carrying out the present invention will be specifically described below with reference to the accompanying drawings.

  As shown in FIGS. 1 to 3, the earthquake evacuation table of the first embodiment includes a foundation portion 1 composed of concrete blocks 11 embedded in at least a plurality of locations on the ground under a floor at a predetermined position in a room, A lower steel connection frame portion 2 having an upright portion fixed to the base portion 1 and fixedly connected to lower ends of the plurality of steel leg portions is fixed to the upright portion 21 of the lower steel connection frame portion 2. A plurality of steel leg portions 3 that are connected and projecting upward to allow entry and exit during an earthquake; and an upper steel frame connecting frame portion 4 that is fixedly connected to the upper ends of the plurality of steel leg portions; It consists of a steel plate top plate portion 5 fixed to the upper surface of the steel frame connecting frame portion.

  The foundation portion 1 lays pebbles in four rectangular hole portions of the ground corresponding to at least the lower ends of the plurality of steel leg portions, and a plurality of, for example, two concrete blocks 11 are respectively provided in the pebbles laying portions. The anchor bolt 111 is erected on the concrete block.

  On the upper surface of the adjacent concrete block 11 on the short side, a connecting member 12 made of pine 105 mm × 120 mm square material is disposed so as to bridge between them, and the anchor bolt 111 erected on the concrete block 11 It is fixed by.

  The lower steel frame connecting frame 2 is constituted by a 90 mm square, 3.2 mm thick steel rectangular frame 20 consisting of a long side of 1600 mm, which is approximately twice as long as a short side of 800 mm, as shown in FIG. Thus, in the central part of the long side part 21 which opposes, it connects with the bracket, bolt, and nut of a 65x65x6 L-shaped angle by the connection member 23 which consists of two 100mmx50mm steel frames. .

  The lower steel frame connecting frame 2 has a steel frame standing portion 21 in which a plurality of adjustment holes for height adjustment of 90 mm square and a thickness of 3.2 mm are formed at predetermined intervals at each corner of the steel rectangular frame 20. The connecting plate made of a pentagonal steel plate is fixed to the standing part 21 and the horizontal part of the rectangular frame 20 by welding.

  The plurality of steel leg portions 3 are constituted by a steel frame having a 100 mm square and a thickness of 3.2 mm, and the upper steel frame connecting frame portion 4 is fixedly connected to the upper ends of the plurality of steel leg portions 3. A top plate portion 5 made of iron plate is fixed to the upper surface of the steel frame connecting frame portion 4 to constitute an upper table.

  The upper end of the upright portion 21 having a 90 mm square and a thickness of 3.2 mm is interposed in the lower end of the 100 mm square in which the adjustment holes of the plurality of steel leg portions 3 are formed at predetermined intervals. The position of each adjustment hole is adjusted so that the space formed between the floor and the floor in the event of an earthquake is secured to allow the evacuees to enter and exit, and the standing portion 21 and the connecting member 12 are connected and fixed by a plurality of bolts via a pentagonal connecting plate 22.

  As shown in FIG. 3, the upper steel frame connecting frame 4 has a 65 × 65 × 6 L-shape by a connecting member 43 made of two steel frames of 100 mm × 50 mm at the center of the opposing long side portion 41. They are connected via angle brackets, bolts and nuts.

  As shown in FIG. 3, the upper steel connection frame 4 has a pentagonal connection plate 44 fixed to the upper surface of each corner by welding, and the upper steel connection frame 4 as shown in FIG. At the center of the long side portion 41, a handrail 45 that the refugee grabs during evacuation projects.

  As shown in FIGS. 1 and 2, the upper steel frame connecting frame 4 is welded with a pentagonal steel plate connecting plate 44 to the upper end of the steel frame 3 and the horizontal corner of the rectangular frame 40. It is fixed by.

  As shown in FIG. 1 and FIG. 2, the lower steel frame connecting frame 2 has a pentagonal steel plate connecting plate 24 fixed to the standing portion 21 and the horizontal corner of the rectangular frame 20 by welding. A flooring plate 25 is placed on the upper surface.

  In the earthquake evacuation table according to the first embodiment having the above-described configuration, the lower ends of the plurality of steel leg portions 3 to which the upper steel frame connecting frames 4 are fixed at the upper ends are at least on the ground below the floor at a predetermined position in the room. Because it is fixedly installed on the foundation 1 embedded in multiple locations, a safe evacuation space is secured in the event of an earthquake, and the earthquake evacuation table moves laterally due to the rolling caused by the earthquake when an earthquake occurs It is possible to prevent the evacuees from being thrown outside even in the case of a strong earthquake.

  Further, the earthquake evacuation table of the first embodiment is simple in construction because the foundation 1 is constituted by a concrete block 11 embedded in the ground corresponding to the lower end of each steel leg 3. Since it is easy, it is possible to provide an earthquake evacuation table relatively inexpensively and easily, and it is possible to prevent the evacuees from being thrown out even in the case of a strong earthquake.

  Furthermore, the earthquake evacuation table according to the first embodiment has a pentagonal shape at each corner where members of the steel leg 3 having sufficient rigidity, the lower steel connection frame 2 and the upper steel connection frame 4 are orthogonal. Since the steel plate connecting plate is fixed by welding, the rigidity of the entire table is further enhanced, and an effect of ensuring a safe evacuation space of 1.5 m × 1.0 m × 0.95 m is achieved.

  In addition, the earthquake evacuation table of the first embodiment has an adjustment hole formed at predetermined intervals in the lower portion of the 90 mm square standing portion 21 and the plurality of steel leg portions 3 of the lower steel connecting frame portion 2. By selecting the adjustment holes that are fixed with bolts according to the dimensions of the house to be built, the space formed between the floor and the floor in the event of an earthquake is ensured to be at an optimal height that allows evacuees to enter and exit. In addition, it is possible to secure a safe evacuation space with an inexpensive standardized product in which steel frames are manufactured in advance in a factory.

  Furthermore, the earthquake evacuation table of the first embodiment of the present invention can be used as a safety table for a table and a safety table for a table / desk, but it has enough strength to withstand even if a building collapses due to an earthquake. Since the box-type steel frame structure is installed on the concrete foundation, it is not only safe from the weight from the top, but also integrated with the foundation from cracks due to poor ground from the bottom. It has the effect of securing an evacuation space.

  The earthquake evacuation table of the second embodiment is mainly different in that the foundation 1 is constituted by a reinforced concrete foundation 13 as shown in FIG. 4 to FIG. Differences from the example will be mainly described, and the same parts will be denoted by the same reference numerals and description thereof will be omitted.

  The base portion 1 is formed from a top plate portion 5 made of a square iron plate having a side of 1.8 m formed by forming a rectangular hole at a predetermined position below the floor, laying crushed stones, and forming a frame on the crushed stone. It is constituted by a reinforced concrete foundation 13 covering a sufficiently large area. In the concrete foundation 13, reinforcing bars having a diameter of 13 mm are laid vertically and horizontally at a pitch of 200 mm, and two anchors are provided at portions corresponding to the lower ends of the steel frame leg portions 3 on the upper surface. Bolts are erected.

  The steel leg 3 includes a lower leg 31 constituting a lower table 501 formed of a 100 mm square steel frame and formed integrally with the lower steel frame 2, and an upper steel connection frame part constituted of a 100 mm square steel frame. 4 and an upper leg portion 32 constituting an upper table 502 formed integrally with the upper table 502.

  A connection portion 311 is formed on the upper end portion of the lower leg portion 31 by integrally projecting a 90 mm square steel frame by welding, and the lower ends of the connection portion 311 and the upper leg portion 32 are for height adjustment. A plurality of adjustment holes 34 are formed at a predetermined interval, and a space formed between the floor surface F at the time of an earthquake enables an evacuee to enter and exit, and the upper steel frame connecting frame 4 and the lower part below the table A bolt is inserted into the adjustment hole 34 at a position where an evacuation space for an evacuee is secured between the steel frame 2 and the nut is fastened with a nut.

  The lower steel frame connecting frame portion 2 is constituted by a 100 mm square steel frame rectangular frame 20 having a side length of 1700 mm, and fixed to the two anchor bolts by nuts on the lower surface of each corner portion where adjacent sides intersect. A connecting plate 24 made of a pentagonal steel plate and having a thickness of 10 mm or more is fixed by welding, and a flooring plate 25 with a leather-laminated plywood base flooring is placed on the upper surface.

  The upper steel frame connecting frame 4 is constituted by a 100 mm square steel frame rectangular frame 40 having a side length of 1700 mm, and a pentagonal steel plate connecting plate 44 is provided on the upper and lower surfaces of each corner where adjacent sides intersect. It is fixed by welding.

  A pentagonal steel plate is fixed to the two corners of the lower steel frame connecting frame 2 and the upper steel frame connecting frame 4 and the legs 31 and 32 by welding. .

  The top plate part 5 made of a square steel plate with a side of 1.8 m is placed on the upper part of the upper steel frame connecting frame part 4 and fixed by screws, and a wood layer or a resin layer is stuck on the upper surface.

  In the second embodiment, after the evacuation table is placed and fixed on the base portion 1 and the height is adjusted, a fireproof board base cloth 26 is pasted on the inner side wall of the lower part of the floor F as an inner wall material. ing.

  In the earthquake evacuation table according to the second embodiment having the above-described configuration, the lower ends of the plurality of steel leg portions 3 to which the upper steel frame connecting frames 4 are fixed at the upper ends are at least on the ground below the floor at a predetermined position in the room. Because it is fixedly installed on the foundation 1 embedded in multiple locations, a safe evacuation space is secured in the event of an earthquake, and the earthquake evacuation table moves laterally due to the rolling caused by the earthquake when an earthquake occurs It is possible to prevent the evacuees from being thrown outside even in the case of a strong earthquake.

  Moreover, since the said base part 1 is comprised by the said reinforced concrete foundation 13 embed | buried under the ground of the site | part corresponding to the said lower steel frame connecting frame part 2, the earthquake refuge table of this 2nd Example is the said base part. Since the rigidity of 1 is high, it effectively prevents the table for earthquake evacuation from moving laterally due to the rolling caused by the earthquake at the time of the earthquake, and ensures that the evacuee is thrown out even in the case of a strong earthquake There is an effect of avoiding.

  Furthermore, in the earthquake evacuation table of the second embodiment, since the foundation 1 is composed of a reinforced concrete foundation 13 having an area larger than that of the top plate part 5 made of iron plate, a load is applied to the table in the event of an earthquake. When this occurs, the load per area of the foundation is reduced, so that the effect of increasing the seismic load resistance of the foundation is achieved.

  Further, the earthquake evacuation table of the second embodiment has a poor ground at the bottom of the table, so that even if cracks or the like occur due to an earthquake, the reinforced concrete foundation 13 and the table are integrated into the evacuation space against the cracks. In addition to the effect that can be secured, even if the foundation is cracked or tilted, the table is constructed of a steel frame and is rigidly joined like a passenger car, so the evacuation space can be reliably secured without collapsing. There is an effect.

  Furthermore, in the safety table for earthquake evacuation of the second embodiment, the lower table 501 and the upper table 502 are manufactured in advance by welding steel frames at the factory, and the weight of the entire table is reduced to about half of the total weight (approx. 100 kg) lower table 501 and upper table 502 can be installed by inserting and tightening bolts into the respective adjustment holes 34 so that a sufficient height and evacuation space can be secured. Since the construction range is limited to one room, there is no need for movement in the building under construction, and the construction cost can be kept low.

  As shown in FIGS. 9 to 11, the earthquake evacuation table of the third embodiment is divided and laid so that the base portion 1 corresponds to each steel leg portion 3 with respect to the second embodiment. The main difference is the point constituted by the divided reinforced concrete foundation 14 and the size of the table. Hereinafter, the difference from the second embodiment will be mainly described, and the same reference numerals are used for the same parts. The description is omitted.

  The base part 1 is divided into four parts corresponding to the lower ends of each steel leg part 3 formed by forming a rectangular hole at a predetermined position under the floor, laying crushed stones, and forming a framework thereon. Are formed by split-type reinforced concrete foundations 14, and reinforcing bars having a diameter of 13 mm are laid longitudinally and laterally at a pitch of 200 mm in the concrete foundation 14, and two pieces are provided at portions corresponding to the lower ends of the steel leg portions 3 on the upper surface. Anchor bolts are erected.

  The lower steel frame connecting frame 2 is constituted by a 100 mm square steel frame 20 having a long side of 1700 mm and a short side of 1200 mm, and the two anchor bolts are attached to the lower surface of each corner where adjacent sides intersect. A connecting plate made of pentagonal steel plate fixed by a nut is fixed by welding, and a flooring plate 25 is placed on the upper surface.

  The upper steel frame connecting frame 4 is composed of a 100 mm square steel frame 40 having a long side of 1700 mm and a short side of 1200 mm, and the upper and lower surfaces of each corner intersecting adjacent sides are made of a pentagonal steel plate. The connecting plate is fixed by welding.

  The top plate portion 5 is composed of a rectangular steel plate member having a long side length of 1800 mm and a short side of 1300 mm. The top plate portion 5 is placed on the upper portion of the upper steel frame connecting frame portion 4 and is fixed by a screw. A wood layer or a resin layer is attached.

  In the third embodiment, as shown in FIGS. 10 and 11, a double-drawing lid 6 provided with four sliding doors made of plywood or steel plate is arranged opposite to the lower surface of the floor. It is normally closed and used as a table, and when an earthquake occurs, it is configured to quickly form an evacuation space by sliding and opening the closed facing lid 6 in the opposite direction, and the floor surface If the space below F is sufficiently secured, the counter lid 6 is closed after evacuating into the evacuation space, so that it is possible to prevent the fallen objects during the earthquake from entering the evacuation space.

  When there is a risk of collapse of a wooden house during an earthquake, we intend to create an evacuation box space using the earthquake evacuation table of the third embodiment. By changing the height of the table, It can be used for both table use (height 73 cm) and table use (height 53 cm).

In the third embodiment, as shown in FIG. 12, in a wooden two-story house as a model, a safe evacuation box is designed in the case where the first floor part with an 8-foot room collapses.
As design conditions,
(1) Steel pox (square pipe) (size 1.6m x 1.1m x 1.3mH), foundation: reinforced concrete construction (2) wooden house specification roof: roofing, second floor wall: mortar coating, 1 Floor wall: Board affixed (3) Half of the load on the roof and the second floor will be applied to the box in the event of an earthquake.
(Impact coefficient = 1.2)
The dimensions of the earthquake evacuation table of the third embodiment described above are determined so as to have a strength that satisfies this design condition.

  The earthquake evacuation table according to the third embodiment having the above-described configuration is configured such that the foundation 1 is divided into four reinforced concrete foundations 14 embedded in the ground corresponding to the lower end of the steel leg 3. Therefore, since the divided reinforced concrete foundation 14 of the foundation 1 has high rigidity, a safe evacuation space is ensured in the event of an earthquake, and the earthquake evacuation table moves laterally due to the rolling caused by the earthquake when the earthquake occurs. This effectively prevents the evacuees from being thrown outside even in the case of a strong earthquake.

  In addition, the earthquake evacuation table of the third embodiment is configured by the reinforced concrete foundation 14 divided into four parts embedded in the ground of the part corresponding to the lower end of the steel leg part 3. When a building, collapses, a column, a beam, or any other part falls on the table and a collapse load is applied, each leg part where the collapse load mainly acts can be effectively received by the reinforced concrete foundation 14 divided into four. There is an effect that you can.

  Furthermore, the earthquake evacuation table of the third embodiment is configured so that the above-described design conditions are satisfied even when the first floor portion collapses due to an earthquake, so that the safe evacuation space with a box-type structure that is not destroyed. The effect that can be secured.

  In the earthquake evacuation table of the third embodiment, since the foundation 1 is composed of a split reinforced concrete foundation having a small area, the foundation is formed at a lower cost than in the second embodiment. There is an effect that can be done.

  In the earthquake evacuation table of the fourth embodiment, as shown in FIGS. 13 and 14, the base portion 1 is embedded in the ground corresponding to the lower steel frame connecting frame portion 2 with respect to the third embodiment. The main difference is that the reinforced concrete foundation 15 is configured, and the difference from the third embodiment will be mainly described below, and the same parts are denoted by the same reference numerals and the description thereof is omitted.

  The base portion 1 is formed in a rectangular hole at a predetermined position under the floor, spread with crushed stones, and a frame is formed on the ground portion to form a portion corresponding to the lower-shaped lower steel connecting frame portion 2 It is constituted by a square-shaped reinforced concrete foundation 15 embedded therein.

  In the fourth embodiment, there is provided a footrest 7 that is swingably disposed when the foot does not reach the floor material 25 on the upper surface of the lower steel frame connecting frame 2 when the user sits down on the floor F. It is what.

  In the earthquake evacuation table according to the fourth embodiment having the above-described configuration, the foundation 1 is constituted by a reinforced concrete foundation 15 embedded in the ground at a site corresponding to the lower steel frame 2. Since the foundation 1 is more rigid than the third embodiment, it is possible to secure a safe evacuation space in the event of an earthquake and to effectively move the earthquake evacuation table laterally due to the rolling caused by the earthquake This prevents the evacuees from being thrown outside even in the case of a strong earthquake.

  The earthquake evacuation table of the fifth embodiment is applied to a table for a table as shown in FIGS. 15 to 18, and is escaped from the evacuation space under the table to the outside of the building as compared to the first embodiment. The main difference is that an escape passage 8 is added, and the difference from the first embodiment will be mainly described below, and the same portions are denoted by the same reference numerals and the description thereof is omitted.

  The escape passage 8 connects the lower center of the opening on the long side of the table to the opening on the wall of the building, and has a total of four 45 mm square 6 mm thick L-shaped two pieces each in the top and bottom. On the left and right surfaces extending vertically between the angles 81, 40 mm square L-shaped parallel angles 82 with a thickness of 4 mm are arranged in parallel at regular intervals, and an X shape is formed between adjacent parallel angles. Two 40 mm square L-shaped intersecting angles 83 having a thickness of 4 mm are juxtaposed.

  The table-side rectangular opening 84 formed under the floor of the escape passage 8 is formed in a lateral direction in which a sufficient gap is formed in the upper portion in consideration of the occurrence of an inclination of the floor surface during an earthquake as shown in FIG. A movable slide door 85 is provided and is closed except during escape.

  A rectangular external escape opening 86 formed on the outer wall of the escape passage 8 or on the foundation side of the building is formed with a plurality of ventilation holes that can be opened from the hinge-supported interior at two points on the left and right ends. A metal door 87 is disposed.

  Since the earthquake evacuation table according to the fifth embodiment having the above-described configuration is provided with the escape passage 8, an opening between the upper steel frame 4 of the table and the floor surface F due to the collapse of the building during the earthquake. When it is judged that it is safe to escape from the building, such as when an earthquake has stopped and a secondary collapse of the building is expected, even when the building is blocked by building pillars, beams, or other falling objects Moves the slide door 85 of the table side rectangular opening 84 formed under the floor of the escape passage 8 in the lateral direction to form an opening to escape into the escape passage 8. When reaching the metal door 87 disposed in the rectangular external escape opening 86 formed on the outer wall or the foundation side of the building, the metal door 87 serves as a hinge fulcrum at two points on the left and right ends. Open from the inside and escape to the outside of the building It is.

  The earthquake evacuation table of the fifth embodiment having the above-described effect is a column or beam of a building in which the opening between the upper steel frame 4 and the floor F of the table collapses due to the collapse of the building during the earthquake. When it is judged that it is safer to escape from the building, such as when the earthquake has stopped and secondary collapse of the building is expected even when it is blocked by other fallen objects, In addition to the effect of being able to escape to the outside of the building, the effect of being able to avoid being trapped in the table is achieved.

  The above-described embodiments have been illustrated for the purpose of explanation, and the present invention is not limited thereto. Those skilled in the art will recognize from the claims, the detailed description of the invention, and the description of the drawings. Modifications and additions can be made without departing from the technical idea of the present invention.

  Moreover, although the above-mentioned Example demonstrated the rectangular evacuation table as an example, it is not limited to them as this invention, Circular, elliptical, or an oval can be employ | adopted as an evacuation table.

  Moreover, although the above-mentioned Example demonstrated what provided the height adjustment mechanism so that the height of an evacuation table can be set optimally as an example, it is not limited to them as this invention, It manufactures beforehand. It is possible to adopt an embodiment in which the table is selected from several types of heights and mounted and fixed.

  Moreover, although the above-mentioned Example demonstrated the example which employ | adopted the concrete block and the reinforced concrete foundation as a foundation part as an example, it is not limited to them as this invention, If an anchor bolt can be planted, a brick, Blocks, foamed concrete, wood, resin, metal and other materials can be used as the foundation.

  A base portion 1 composed of concrete blocks 11 embedded in at least a plurality of locations under the floor at a predetermined position in a room, and a stand that is fixed to the plurality of base portions 1 and the lower ends of the plurality of steel leg portions are fixedly connected. A plurality of lower steel frame connecting frame parts 2 provided with an installation part are fixedly connected to the standing part 21 of the lower steel frame connection frame 2 and projecting upward to allow entry and exit during an earthquake. The steel frame leg 3, the upper steel frame connecting frame 4 fixed and connected to the upper ends of the plurality of steel frame legs, and the steel plate top plate 5 fixed to the upper surface of the steel frame connecting frame It is an evacuation table, and is suitable for use to secure a safe and reliable evacuation space in the event of an earthquake.

It is a side view which shows the table for earthquake evacuation of 1st Example of this invention. It is a front view which shows the table for earthquake evacuation of the 1st Example. It is a top view which shows the table for earthquake evacuation of the 1st Example. It is a perspective view which shows the table for earthquake evacuation of 2nd Example of this invention. It is a front view which shows the table for earthquake evacuation of the 2nd Example. It is the top view and bottom view which show the table for earthquake evacuation of the 2nd Example. It is a side view which shows the state divided | segmented up and down into the earthquake evacuation table of the 2nd Example. It is the elements on larger scale which show the height adjustment mechanism of the leg part of the earthquake evacuation table of the 2nd Example. It is a front view which shows the table for earthquake evacuation of 3rd Example of this invention. It is a side view which shows the table for earthquake evacuation of the 3rd Example. It is the side view and top view for demonstrating the opening-and-closing mechanism of the lid | cover in the earthquake evacuation table of the 3rd Example. It is the front view and the top view of a room for demonstrating the design conditions in the earthquake evacuation table of the 3rd Example. It is a side view which shows the table for earthquake evacuation of 4th Example of this invention. It is a front view which shows the table for earthquake evacuation of the 4th Example. It is a front view which shows the table for earthquake evacuation of 5th Example of this invention. It is a top view which shows the table for earthquake evacuation of the 5th Example. It is a side view which shows the escape passage in the 5th Example. It is a fragmentary figure which shows the opening part for the external escape of the escape passage in the 5th Example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Foundation part 2 Lower steel frame part 3 Steel leg part 4 Upper steel frame part 5 Top plate part 11 Concrete block 21 Standing part

Claims (6)

A foundation embedded in at least a plurality of locations on the ground under the floor at a predetermined position in the room;
A plurality of steel leg portions with lower ends fixedly erected on the plurality of foundation portions, and having upper ends projecting upward from the floor surface to enable entry and exit during an earthquake; and
An upper steel frame connecting frame fixedly coupled to the upper ends of the plurality of steel frame legs;
A lower steel frame connecting frame portion fixed and connected to the lower ends of the plurality of steel frame legs,
Earthquakes, characterized in that it comprises the collapse load with Tsu also sufficiently withstand strength also act when building collapsed, the box-type steel structure whose interior ensure evacuation space including underfloor and floor earthquake Evacuation table. In claim 1,
A plurality of holes for height adjustment are formed in a part of the plurality of steel frame legs,
The earthquake evacuation table characterized in that the foundation portion is constituted by a concrete block or a reinforced concrete foundation embedded in the ground at a portion corresponding to at least the lower ends of the plurality of steel leg portions. In claim 1 or claim 2,
An iron plate top plate is fixed to the upper surface of the upper steel frame connecting frame,
At each corner where the members of the upper steel connection frame and the lower steel connection frame are orthogonal to each other and at each corner where the upper steel connection frame, the lower steel connection frame and the end of the steel leg are orthogonal An earthquake evacuation table characterized in that a steel plate connecting plate is fixed. In any one of Claims 1 thru | or 3,
The steel leg part is composed of an upper leg part and a lower leg part, and a connection part in which a plurality of holes for height adjustment are formed on either one of the upper leg part and the lower leg part is projected. An earthquake evacuation table. In any one of Claim 1 thru | or 4,
The plurality of steel leg portions are four steel leg portions,
The foundation embedded in the ground at a site corresponding to the lower steel frame connecting frame connected to the four steel legs in addition to the four foundations corresponding to the four steel legs. An earthquake evacuation table characterized by comprising a reinforced concrete foundation constituting a square-shaped foundation or a reinforced concrete foundation having a larger area than the top plate portion made of iron plate. In any one of Claims 1 thru | or 5,
An openable / closable lid is disposed in the opening formed in the floor surface so that the plurality of steel leg portions are disposed above the floor surface so as to protrude at a height that allows entry and exit during an earthquake. ,
An escape passage is arranged to communicate from a portion below the floor surface of the box-type evacuation space by the plurality of steel leg portions under the table to an opening of a building wall, and an refugee under the table, An earthquake evacuation table characterized in that it is configured to allow escape from the evacuation space to the outside of the building.

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