JP2011131035A - Earthquake-resistant evacuation table supporting floor from below - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an earthquake-resistant evacuation table supporting the floor from below which can support a table more firmly and securely, furthermore, can be carried into any scene regardless of the size of opening owing to a separable module of right and left posts, and is assembled easily. <P>SOLUTION: The earthquake-resistant evacuation table includes a top panel, and two or more posts which are raised on the floor from an underfloor ground side through-holes which are opened in the floor, and connect the top panel on the upper ends so that the posts are arranged in pairs one by one on right and left ends in a longitudinal direction of the top panel. In the pair of posts at the right and left respective ends, connecting the pair of right and left posts are connected by jointing material as a reinforced member under the top panel in the scene, while they are connected mutually by an end plate and can be brought in the scene as one unit. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an underfloor support type earthquake-proof evacuation table.

  The collapse of the house caused by the earthquake led to overwhelming death, and there were many people who were overwhelmed by the previous earthquake. On the other hand, the general public can now be warned of an earthquake attack immediately after the occurrence of a P wave by means of an emergency earthquake warning or an earthquake alarm. However, the fact is that even if a warning is issued, residents do not have a firm escape. As a countermeasure, for example, a technology such as a seizure grip bar for supporting a table such as Japanese Patent No. 3779381 has been disclosed. Blindness cannot be prevented and it is dangerous as an evacuation site. Patent Document 1 below discloses a safe protective device that can reliably suppress the blinding of the table and that uses an under-floor space as an evacuation site.

  JP2009-082685A

In FIG. 7 (lower right column) of the above-mentioned Patent Document 1, the base is fixed to the floor base plate side with an anchor fitting, and four pillars are erected from the base so as to penetrate the floor hole and rise on the floor. The table is fixed on the pillars, and the floor hole is equipped with a lid that can be opened and closed. During normal times, the lid becomes the floor to provide a footbed during meals, while the lid is opened during an earthquake. It is possible to provide a high and wide evacuation space from the floor to the table.
However, the table and the column of the underfloor support type earthquake-proof evacuation table disclosed in the same publication 1 are not intended to improve the strength in particular, but only to the normal way of connection, and as such, when severe collapse occurs as it is There remained concern that the table could be damaged. Moreover, since all the support | pillars and the table were integrated, this table had the inconvenience that it was hard to pass through a frontage when carrying in to the spot.

  The present invention is intended to solve the problems of such a conventional method, can support the table more firmly and securely, and can be carried into the site by separating the right and left columns into separate units. An object of the present invention is to provide an underfloor-supported earthquake-proof evacuation table that can be used anywhere and easily assembled regardless of the size of the frontage.

  In order to achieve the above object, the present invention is characterized in that the invention according to claim 1 is erected from the floor baseboard side in such a way that a pair is provided at the left and right ends in the longitudinal direction of the top plate. A floor-supported seismic refuge table having a plurality of support columns, which stand on the floor through holes formed in the top and to which a top plate is connected at the upper end thereof. It is connected to each other and can be carried into the site as a single unit, and at the site, a pair of left and right support columns are connected by a connecting material to form a reinforcing member under the top plate.

  As described above, the floor-supported seismic refuge table according to the present invention was installed on the floor by being erected from the floor baseboard side so as to be deployed one by one on the left and right ends in the longitudinal direction of the top plate and the top plate. An underfloor support type earthquake-proof evacuation table that includes a plurality of support columns that rise on the floor through holes and are connected to a top plate at the upper end thereof. The pair of support columns at the left and right ends are connected to each other by end plates. It is possible to carry it into the site as a single unit, and on the site, the pair of left and right struts are connected by a connecting material to form a reinforcing member under the top plate. In addition, it is possible to provide an underfloor-supported earthquake-resistant evacuation table that can be carried into the site by separating the right and left columns into any unit regardless of the size of the frontage and is easy to assemble. That.

Sectional view on the AA line of FIG. 2 which shows embodiment about an underfloor support type earthquake-proof refuge table. FIG. 3 is a sectional view taken along line BB in FIG. 1. The CC sectional view taken on the line of FIG. The DD sectional view taken on the line of FIG. The EE sectional view taken on the line of FIG. The principal part expansion disassembled perspective view of FIG. The perspective view which shows other embodiment. The front view which shows other embodiment. The right view of FIG. The right view which shows other embodiment. The front view which shows other embodiment. The right view of FIG. The front view which shows other embodiment. FIG. 14 is a right side view of FIG. 13. The front view which shows other embodiment. The front view which shows other embodiment. The front view which shows other embodiment. The front view which shows other embodiment. The top view which shows other embodiment. The right view of FIG. The front view of FIG. The right view which shows other embodiment. The right view which shows other embodiment. The front view which shows other embodiment. The right view which shows other embodiment. The right view which shows other embodiment. The right sectional view showing other embodiments. The right sectional view showing other embodiments. The top view which shows other embodiment about a table. The front view of FIG. The right view of FIG. The top view which shows other embodiment. The right view which shows other embodiment. The longitudinal cross-sectional view which shows the additional example of a proposal. The top view which shows other embodiment about an earthquake-proof evacuation apparatus. The front view of FIG. The GG line expanded sectional view of FIG. The front view which shows other embodiment about an earthquake-proof evacuation apparatus. The side view which shows other embodiment of the high chair for earthquake-proof evacuation apparatuses. The top view of the chair of FIG. Explanatory drawing which shows the example of a step to a high chair. The cross-sectional view of FIG. 43 which shows the example which made the inside of a high desk an earthquake-proof evacuation space. The front view of FIG. The right view of FIG. The left view which shows the example which enabled opening and closing of the storage from the side surface. The front view which shows other embodiment. The cross-sectional view which shows other embodiment which made the left right side also an evacuation space.

  Hereinafter, an embodiment of the present invention will be described with reference to FIGS. In addition, the individual plan (including details) described in each embodiment can be applied to other embodiments.

  FIG. 1 thru | or 6 shows embodiment about an underfloor support type earthquake-proof refuge table. This embodiment relates to a dining table, but includes various tables such as an office desk, a study desk, and a table. Reference numeral 500 denotes a floor board, which may be a floor board and a tatami mat thereon. An underfloor structure such as a large draw or joist is a common structure and is not shown here. Reference numeral 501 denotes a floor base plate whose surface corresponding to the table is leveled.

  A rectangular hole is formed in a specific portion of the floor board 500, and the table according to this embodiment is fixedly installed through the hole. The table is provided with four columns 502, which are square metal pipes. The column 502 is about 1130 mm long, protrudes 490 mm down from the floor, and protrudes 640 mm (H1 in FIG. 2), which is a normal height. Is set to The pair of left and right support columns 502 in FIG. 2 are integrated so that they can be carried in the field and can be transported individually.

  The struts 502 on each side are integrally connected to each other by an angle-type bottom connecting member 503 at the lower end and by a connecting member 504 between the front and rear middle portions corresponding to the height immediately below the floor. Further, the lower portions of both columns 502 are reinforced and integrated with both braces 505 as shown by an inverted V shape in FIG. As shown in FIG. 6, for example, a pair of right ends at the upper end of the support column 502 are integrally connected by a metal plate by an end plate 507 and a reinforcing corner fitting 508. The end plate 507 has strength with a rectangular main plate portion 509, a front tongue piece 510 provided in a rising shape on one side thereof, and a rear tongue piece 511 provided in a two-stage bent shape on the other side. It is formed in a bent plate shape. Both the front tongue piece 510 and the rear tongue piece 511 are notched at both ends.

  The reinforcing corner bracket 508 is welded and fixed toward the inside of the upper end of each column 502, and the end plate 507 is integrally welded to the bracket 508 and the column 502 so that both ends thereof correspond to each other. As a result, the upper ends of the end plates 507 and the reinforcing corner brackets 508 are integrally connected between the front and rear support columns 502, the middle height is integrally connected by the connecting material 504 between the front and rear portions of the middle stage, and the lower joints are connected to the lower bars 505 and the bottom connecting material. The unit type side frame is integrally connected at 503. This frame is taken as a unit to the installation site.

  513 is a connecting member between the left and right middle stages corresponding to the long side of the table, which is a square pipe, and is connected by a fastening tool 515 between protruding pieces 514 protruding from each column 502, The height is a pair of front and rear members positioned horizontally just below the floorboard. As shown in FIG. 2 and FIG. 4, each of the middle stage right and left connecting members 513 is detachably connected to the support column 502 by a fastener 515 via a brace 516. Reference numeral 517 denotes a bottom cushioning material, which is a rubber mat, and is interposed between the bottom surface extending from the column 502 to the bottom connecting member 503 and the floor base plate 501. 518 in FIG. 2 is a connecting material between the bottom left and right.

  Between the upper ends of the left and right support columns 502, a pair of front and rear connecting members 520 made of a square pipe are connected in the front-rear direction. As shown in FIG. 6, the connecting member 520 is fixedly connected to the end plate 507 by a fastening tool 515 so that both ends of the end plate 507 are attached to both ends of the welded end plate 507 on the surface through the notch. Yes. On the side of the end plate 507 on the rear tongue piece 511 side, an upper front / rear connecting member 521 formed by a square pipe having a half height of the upper left / right connecting member 520 is fixed by a fastening tool 515. Between the upper surfaces of the left and right connecting members 521, as shown in FIG. 1, a square pipe connecting member 522 having the same height as that of the connecting member 521 is bridged, and the connecting member 521 is connected by a fastening tool 515. In addition, it is connected and fixed to the end plate 507. The tie material 522 rests on the front tongue piece 510 of the end plate 507.

  Brackets 524 protrude from the four struts 502, and a top plate 525 made of a metal plate having a flat rectangular shape and a reverse saucer shape is detachably attached thereto. As shown in FIGS. 2 and 3, the rectangular portion formed by the four columns 502 is an evacuation opening, which is normally closed as indicated by arrow F when an earthquake strikes. Further, three open / close lids 527... That can be opened by lifting the handle 526 are provided so as to be freely opened and closed by support by the connecting members 504 and 513.

  Note that reference numeral 529 in FIG. 2 is an emergency brace, which is stored in the space under the floor around the lower fulcrum during normal times, but is strengthened as a whole by reinforcing and connecting as shown in the figure in the event of an earthquake.

  In this table, since the opening / closing lid 527 is closed as shown in FIGS. 2, 3, and 5 during normal times, it is possible to have a meal on the lid 527 when eating or doing office work. . Before the earthquake occurs, the residents can evacuate by getting under the table immediately by getting an alarm from an earthquake early warning or by opening the open / close lid 527 as shown by arrow F in a lower posture as shown in FIG. You can evacuate.

  As shown in FIG. 7, the frame is further strengthened by joining the connecting member 520 between the upper left and right sides and the connecting member 521 between the upper and lower sides obliquely and joining them with the corner plate 531 so as to be combined with each other. In addition, a gripping pole 530 can be provided in the device to further improve safety during evacuation.

  8 and 9 show another embodiment of the earthquake-proof evacuation table. This table is constructed by combining four columns 533, right and left connecting members 534, front and rear connecting members 535, and a top plate 536, and extends from the floor surface 536 to the floor as shown by the broken line as described above. It may be of a type that is supported on the floor, or may be of a type that is supported so that the column 533 is on the floor surface 537 and does not move. The same can be said for all the following embodiments.

In this embodiment, the support resistance force by the chair 538 is added to the strength of the table itself against earthquake. A protrusion 539 is provided on the right and left connecting member 534 so that the upper end of the back portion of the chair 538 is fitted back into the protrusion 539. Reference numeral 540 denotes a buffer seat.
As shown in FIG. 10, the receiving hook 542 protruding from the chair 538 is received under the connecting material 534 between the left and right sides so that the resistance of the table is improved.

  FIGS. 11 and 12 show a seismic evacuation table in which a support member 544 is combined with a connecting member 545 between left and right, a connecting member 546 between widths, and a top plate 547, and a middle connecting member 548 is fixed and a hammock 549 is hung between them. It is what I did. This table has a height (65 to 70 cm) like H1 that can be found on a general table or office desk, and is about 40 to 50 cm around 1.1 to 1.2 m like H2. There are things to do. Such a high table is an office desk (including a conference desk and various work desks), and a chair 550 having a high seating surface makes it easy to evacuate. Here, it is possible to provide a sufficient width space of about W1 = 2 m to 2.5 m so that it is easy to evacuate between the columns 544 and there are a plurality of evacuation personnel. In addition, as shown in FIG. 12, the top plate 547 may be set to around H3 = 130 cm so that the wheelchair 551 can escape without or without it.

  It should be noted that the hammock 549 can be used outside the table as shown in FIG. 14 by providing a slider 553 that can be moved back and forth in the connecting material 545 between the left and right sides and a hammock 549 on the slider 553.

  FIG. 15 shows a table in which the upper ends of four columns 555 are connected by a rectangular frame (not shown), and a top plate 556 is reinforced by attaching a middle connecting member 557 and a bottom connecting member 558, particularly earthquake-resistant. In an embodiment of an evacuation office desk (including a conference desk and a work desk), the bottom height H2 of the top plate 556 is as high as 1.1 to 1.2, and a chair not shown in FIG. As shown in FIG. 15, the drawer 560 for office use is fixed and the top cushioning material 561 is taken into consideration for safety when evacuating. And a bottom cushioning material 562 and a gripping bar (safety bar) 563 are provided. Here, it is possible to provide a sufficient width space of about W1 = 2 m to 2.5 m so that it is easy to evacuate between the columns 555 and there are a plurality of evacuation personnel.

  In the embodiment of FIG. 16, the PC main body 565 is gently held so as not to be damaged by the anti-vibration buffering means 566 by using a side space of the office desk which is similarly raised, and is prepared for an earthquake. Here, it is possible to provide a sufficient width space of about W1 = 2 m to 2.5 m so that it is easy to evacuate between the columns 544 and there are a plurality of evacuation personnel.

  In the embodiment of FIG. 17, a crossing member 568 is constructed using a middle connecting member 557, and a drawer 560, a PC main body 565, and the like are placed and supported on the crossing member 568. It ’s something that we ’ve kept carefully. The column 555 may be provided with an auxiliary leg 569 so that the height can be adjusted by operating the fastening tool 570. The same applies to the embodiment of FIGS. 15 and 16, but a buffer seat 571 may be attached to the leg of the table. Here, it is possible to provide a sufficient width space of about W1 = 2 m to 2.5 m so that it is easy to evacuate between the columns 544 and there are a plurality of evacuation personnel.

  In the embodiment of FIG. 18, the upper shelf 575 is formed by inserting insertion holes 574 with caps 573 at four points on the other side of the top plate 556 of the raised office desk and inserting the longer leg protrusions 576 of the upper shelf 575. And may be fixed to the top plate 556 with a fastening tool 578 via a shelf 577 as shown in the right column. The upper shelf 575 can be a seismic structure type. In this case, the leg protrusion 567 can be provided with a protrusion 576a, a groove, or the like that makes it difficult for the leg protrusion 567 to come off due to vibration caused by an earthquake. Further, the upper shelf 575 may be a crushable type. In this case, only the upper part may be a crushable type and the lower part may be a normal earthquake resistant type. Here, it is possible to provide a sufficient width space of about W1 = 2 m to 2.5 m so that it is easy to evacuate between the columns 544 and there are a plurality of evacuation personnel.

  Each embodiment of FIGS. 19 to 28 includes a table such as a table or office desk (including both an on-floor installation type and an under-floor support type) having at least four columns or two columns 580 and a top plate 581. ) An earthquake-proof evacuation frame 583 is provided near 582. Among them, the one shown in FIGS. 19 and 21 uses the existing chair 584 as it is, and the earthquake-proof evacuation frame 583 is installed so as to surround the chair 584 on one side.

  The earthquake-proof evacuation frame 583 is prepared by providing a pair of fixed cylinders 586 on a pair of left and right seat plates 585, and supports them via a buffer seat 587. Each fixed cylinder 586 is provided with a support column 588, for a total of four. A rectangular top frame 589 is connected and fixed to the upper end of the column 588 so that it can be mounted on the field. In the top frame 589, safety ensuring means such as a top surface reinforcing frame 590 and a protective net 591 are attached. As shown in the right column of FIG. 21, the support columns 588 may be integrally connected to the table support column 580 by a connecting tool 592 so as to prevent mutual movement and improve the seismic protection function.

  Although the earthquake-proof evacuation frame 583 is indicated by I, as shown by a virtual line in FIG. 20, the earthquake-proof evacuation frame 583 is enlarged so as to extend to the middle position of the table 582 when viewed from the side. The protection range may be expanded as indicated by II, and further, the protection range may be expanded as indicated by III so as to include the entire table 582.

  In addition, as shown in the right column of FIG. 20, when the table 582 is installed on the floor, the height-adjustable seismic support 594 for preventing the movement due to the earthquake and supporting the seismic resistance as in the above embodiment is added. May be. The earthquake-proof evacuation frame 583 itself may be a floor support system. 20 and 21 also show how to evacuate during an earthquake. Evacuation is also possible under the table 582. Between the left and right of the earthquake-resistant evacuation frame 583, an intermediate column 593 that also serves as a gripping rod may be provided as shown in FIG.

  FIG. 22 shows an embodiment in which the earthquake-proof evacuation frame 583 is installed on both the front and back of the table 582. The table 582 and the earthquake-proof evacuation frame 583 can employ an underfloor support method or an on-floor installation fixing method.

  23 and FIG. 24 (parts indicated by phantom lines) have a large frame structure in which the earthquake-proof evacuation frame 596 surrounds all the upper sides of the table 582 and the chairs 584. A pair of left and right intermediate struts 597 may be provided between the front and rear of the top frame 589 and the seat plate 585. In this case, a table receiving bracket 598 is provided on the intermediate strut 597 to prevent the movement of the table 582. You may make it improve seismic strength. As shown in the right column of FIG. 23 and the left column of FIG. 24, the table 582 can be a system in which the column 580 is omitted and supported only on the frame 596.

  In addition, as shown as a right solid line portion in FIG. 24, the earthquake-proof evacuation frame 600 may be a small frame having a half-spaced square installation area.

  FIG. 25 shows an earthquake-proof evacuation frame 602 that entirely surrounds the side and upper periphery of the table 582. In this case, the table 582 and the earthquake-proof evacuation frame 602 may be interconnected. Reference numeral 603 denotes a bracket. Further, if either one of the table 582 or the earthquake-proof evacuation frame 602 is used as an underfloor support system, it is effective for an earthquake.

  FIG. 26 shows a large earthquake-proof evacuation frame 605 that surrounds the entire table 582 and chair 584. In particular, the chair 584 is fixed to the frame 605, and the backrest 606 in this case also serves as a lateral reinforcement of the frame 605. It is a thing. The table 582 is supported between the intermediate struts 607 via a bracket 608 so that the table 582 is simple without legs.

  In FIG. 27, there is no backrest and evacuation is possible through the side. FIG. 28 shows a rotary retractable chair 584 in which the backrest 610 also serves as a reinforcement for the frame 605. If the evacuation passage in the frame becomes wide and the chair 584 is leveled, it can be safely seated during evacuation.

FIG. 29 shows an embodiment in which a table 613 installed on a tatami mat or the like has a seismic frame structure. The table 613 provided with legs 614 and a table board 615 is compared with the left and right sides of the table board 615 by a fastening device 616. A pair of left and right columns 618 are erected via lock seats 617 that can be fixed at both ends, and one upper frame 619 is bridged between the upper ends of these columns 618. In the case of this embodiment, the upper end of the support column 618 is formed in a two-leaf shape, and the upper frame 619 is sandwiched between the bolts and nuts 620 between them, and the wedge 621 is fitted to integrate the connection.
Accordingly, regardless of the size of the table 613, the upper frame 619 can be attached between the pair of upright columns 618, and the strong earthquake-resistant frame 622 can be provided. It is easy to disassemble. In the event of an earthquake, the seismic frame 622 can receive a load from above with the table 613 and can evacuate to a space between the table 613 and the earthquake frame 622. As shown in FIG. 29, FIG. 31, and FIG. 32, a pair of front and rear seismic frames 622 may be provided. In this case, the upper frames 619 may be connected by an intermediate reinforcing beam 623 or a protective net 624 may be stretched thereon. Further, as shown in FIG. 33, the upper frame 619 may be provided corresponding to the front-rear direction of the table 613. Reference numeral 625 denotes a cushioning material.

FIG. 34 shows an additional proposed example. A new drive system for a sludge scraping device for scraping sludge that has settled on the bottom of a sedimentation basin 629 having a pit 628 toward the pit 628. This is a good proposal.
This sludge scraping device includes a guide rail 630 that passes through the center of the pond width, and a front and rear carriage 631 that can be moved forward and backward. The carriage 631 can travel by running wheels 632 and the front and rear carriages are connected to each other. In addition to being connected at 633, a scraper 634 is provided at the front and rear to connect them all.
A drive sprocket 635 is provided on the pond, and three driven sprockets 636 are provided in the pond, and a transmission wire 637 such as a link chain and a wire rope, which is wound between them, is reciprocated as indicated by solid and broken arrows. Thus, when the solid line arrow is shown, the scraper 634 moves forward in a vertical scraping state as shown in the figure, and when it is a broken line arrow, the scraper 634 is lifted up and retracted without scraping.

  This sludge scraping device is equipped with a plurality of scrapers 634..., For example, so that the sludge settled at the rear is scraped to the pit 628 by several times of scraping. It is designed to be short.

  Until now, this sludge scraping device has been driven by a motor with a speed reducer, and in this case, switching between the solid line and the broken line arrow is performed by a lever and a switch that operate in accordance with the advance and retreat of the sludge scraping device. Because of this configuration, structural complications were incurred.

  In this proposal, a hydraulic motor 638 is used for driving, and a hydraulic unit 639 is configured for control. A stopper 640 is provided on the guide rail 630 due to the advance / retreat of the device. When the sludge scraping device hits, the hydraulic circuit is boosted, and the pressure switch 641 detects the boost, and the circuit switching of the switching valve (solenoid type) 642 is interlocked so that the hydraulic motor 638 is switched between positive and negative. It is a thing. According to this method, if one hydraulic unit 639 is installed in a plurality of sedimentation ponds arranged in parallel, each hydraulic motor 638 can be controlled, and the overall cost can be reduced.

  35 to 37 show another embodiment. The existing office desk (hereinafter referred to as the desk) 1 installed in the office needs to bend greatly in order to make the lower space an evacuation space due to lack of height. It was unsuitable for.

  Paying attention to this, the lower space raised by fixing and fixing the desk 1 makes the eaves easy to evacuate and supplements the earthquake-resistant frame that supports the desk in case of an unexpected situation during an earthquake. Thus, the seismic strength is increased and the space in the seismic frame can be used for storing PCs and files.

  The desk 1 is of a one-sleeve type, and has a top plate 2, and a lower right portion of the top plate 2 is provided with a total of four corner posts and a case plate surrounding them in front and rear pairs, not shown. It has a drawer 3 that can be inserted and removed freely. The rubber support is usually attached to the bottom of the corner column so that the height can be adjusted, but here they are removed.

  Reference numeral 4 denotes a front drawer, 5 denotes an upper left frame, and 6 denotes a lower left frame. A left column 7 is provided between the frames 5 and 6 so as to be between the front and rear. The upper left frame 5 and the vertical frame 7 are T-shaped. The lower left frame 6 is integrated with the lower end of the left column 7 so as to form an inverted T-shape. The left column 7 may be of a two-front type. These desks 1 have a height A of about 700 mm, and a right seismic frame 10 having a height B (about 400 mm) is interposed in the lower right so as to raise the height A. A buffer mat 12 having a thickness t (about 20 mm) is provided between the lower right earthquake-resistant frame 10 and the desk 1 and between the frame 10 and the floor surface 11 so as to cushion the vibrations, and for the stability of the desk 1. The upper and lower parts are integrated with each other by the connecting plate 13. The lower right seismic frame 10 is formed by integrating structural members 14 such as a square pipe and an angle member so as to extend along each side of the rectangular parallelepiped, and a case plate 15 is disposed on the front surface of the frame. The right and left desks 1 and 1 and the lower right seismic frames 10 and 10 in FIG. 36 have the same structure.

  Reference numeral 17 denotes a high chair. The high chair 17 includes a caster 19 at the tip of a seat leg 18 extending in all directions, and a column 20 that can be adjusted in height is extended from the center of the seat leg 18. A seat base 22 is provided via a seat frame 21, and a back support 24 is provided via a back member 23 extending from the seat frame 21. In particular, the high chair 17 has a height C of about 700 to 800 mm so as to correspond to the height of the desk 1 and is easy to climb on the seat base 22 from the seat leg 18. Intermediate steps 26 that are difficult to slip at a height D of about 400 mm are installed at the upper end of the upright receiving material 25. This step 26 may be a plurality of upper and lower stages.

  As shown in FIGS. 39 and 40, the high chair 17 may be a stationary type that is stably installed on a floor surface without a caster. In this case, 28 is a main body, 29 is a seat, 30 is a backrest, and 31 is an intermediate step. As shown in the right column of FIG. 39, the intermediate step 31 may be configured by a low side first step 32 and a high front second step 33 so that the intermediate step 31 can be climbed in steps. These steps are preferably used as a reinforcing structural member for the main body 28. Further, the caster 35 including the spring 34 may be provided on the leg portion of the main body 28.

  Reference numeral 40 in FIGS. 35 to 37 denotes an earthquake-resistant receiving frame. The seismic receiving frame 40 is a rectangular parallelepiped frame, and has support posts 41 at the front and rear corners, and includes an intermediate support post 42 between a pair of front and rear support posts 41 and 41, and the first horizontal member 43 in the left and right direction in the vertical direction. The second horizontal member 44 in the direction is integrally provided with earthquake resistance.

  The seismic receiving frame 40 is disposed between the left and right desks 1, 1 and has a buffer mat 45 interposed at the bottom, and on the side of the front and rear columns 41 and the intermediate column 42 on the right side, Receiving means 47 for receiving and fixing with the receiving and fastening means 46 are provided. As shown in FIG. 37, these receivers 47 receive the lower left frame 6 from below and prevent it from being removed by the fastening device 46. The lower left frame 6 of the left desk 1 may be received by the seismic receiving frame 40 as well, but in this embodiment, it is received by the auxiliary column 49 with the buffer material 48 and is connected and fixed by the fastening device 46. It has become. One auxiliary strut 49 is provided between the front and rear, but may be constituted by a pair of front and rear or three front and rear.

The PC main body 51 may be supported in an earthquake-proof manner using the internal space of the earthquake-resistant receiving frame 40. 52 is a receiving frame, 54 is a bottom plate, 55 is a top plate, 56 is a cushioning material, and 57 is an upper and lower joint. Although two PC main bodies 51 are mounted on the front and rear as shown in FIG. 35, they can be installed on the lower stage as shown in phantom lines in FIG.
The empty internal space of the earthquake-resistant receiving frame 40 may be a storage space for storing files and other necessary items.
In addition, although the solid seismic receiving frame 40 in FIG. 36 has the same height as the desk 1, it may be tall like a virtual line. Among them, a PC main body, a file, a telephone and the like can be accommodated. Reference numeral 58 denotes a lid. A door 59 as shown in FIG. 35 may be attached to the front surface of the earthquake-resistant receiving frame 40.
Furthermore, although the PC main body 51 is housed in the earthquake-resistant receiving frame 40 in the above-described embodiment, it may be installed in the back space of the desk 1 as indicated by a virtual line in FIG. In this case, the internal space of the earthquake-resistant receiving frame 40 is wide and can be freely used as an evacuation space or a storage space.
The desk 1 is a high space with a height of less than 1100 mm from the floor surface 11 to the bottom surface of the front drawer 4 by the right earthquake-resistant frame 10 and the earthquake-resistant receiving frame 40, so that it can be used as an evacuation space. In this case, the evacuation space will be high and easy to evacuate to the fence. However, the earthquake-resistant receiving frame 40 may be provided between the desks 1 having a standard height without the right earthquake-resistant frame 10.

  As shown in FIG. 38, the right and left columns 62 on the right side of the earthquake-resistant receiving frame 40 are shortened, and a receiving tool 63 for receiving the lower left frame 6 is provided at the upper end thereof, and fixed with a fastening tool 64. Also good.

  As shown in FIG. 41, the lower right seismic frame 10 may be projected forward, and the projecting portion may be an auxiliary step 10a for climbing up and down the high chair 17, or the right column of FIG. As shown in FIG. 5, the front side of the earthquake-resistant receiving frame 40 may be similarly bulged to serve as the auxiliary step 40a. Each step 10a, 40a may be a separate body, or may be configured to be freely put in and out.

  In FIG. 36, the seismic receiving frame 40 is arranged between the left and right desks 1, but the seismic receiving frame 40 may be attached to one of the desks 1, or there may be three or more desks 1. An earthquake-resistant receiving frame 40 can be interposed between the two.

  42 to 44 show another embodiment. A conventional standard one-sleeve office desk is constructed with a left and right width of 100 cm and a depth of about 70 cm and a height of 70 cm, and the front of a person sitting on a chair has a width of 55 cm and a height of about 60 cm. Is generally used. The size and width of a desk of this size is too small compared to the size of a person, so even if you try to evacuate under a table in the event of an earthquake, you will be quick if you do not bow down and make your body smaller. There was a drawback that could not evacuate smoothly.

  In this embodiment, the height of the desk is set high enough to widen the frontage so that evacuation under the desk can be performed smoothly and quickly without significantly bending the body. The higher the chair, the higher. Not only that, the evacuation space under the desk is made into a strong and wide space constructed with an earthquake-resistant frame structure so that it can withstand earthquake loads and evacuate safely and reliably.

  In the embodiment shown in FIGS. 42 to 44 showing specific examples, 70 is an earthquake-resistant bottom plate made of a thick wooden material (metal plate or resin plate, etc.), and the bottom plate 70 has a left-right width of 1750 mm. A depth plate L is 925 mm and is a thick plate of about 30 mm, and a square or semicircular cutout 73 is formed in front of it so as not to interfere with the legs 72 of the high chair 71.

  Reference numeral 75 denotes an earthquake-resistant top plate, which is a quadrilateral plate without a notch 73 and has the same shape and dimensions as the bottom plate 70. Reference numeral 76 denotes a corner post, which is made of steel and vertically disposed at four corners of the top plate 7 and the bottom plate 70. Between the pair of front and rear portions of the support 76, the left and right side surfaces are closed so as to be closed. A plate 77 is fixed. The outer side plate 77 has a four-sided folded shape in two stages and is provided with tongue pieces 78. These tongue pieces 78 are fastened to the bottom plate 70, the top plate 75, and the front and rear corner posts 76, respectively. It is connected with a (set screw) a and a fastener (bolt nut) b. Thereby, the desk height H is set to 1100 mm, which is about 60% higher than the standard desk height 700 mm, and the distance between the top plate 75 and the bottom plate 70 is set to 1050 mm.

  At the same time, a back plate 79 that closes the entire surface is provided between a pair of corner posts 78, 78 on the back side, and this back plate 79 extends over each of the corner posts 78 in the upper and lower rows by the fastener b. Tightened and fixed. The outer plates 77, 77, the back plate 79, and the corner columns 76 form a U-shaped frame-like external earthquake-resistant frame as viewed from above.

  81 is a storage and constitutes an inner side seismic resistant frame, and two are arranged on the left and right. This storage 81 is composed of left and right side frame plates 82, shelf plates 83 between the side frame plates 82, a sliding door type door 84, and the like. As shown, books and files 85 are accommodated, and emergency supplies 86... Are appropriately accommodated as shown on the right side. Various items such as helmets, preserved drinking water, batteries, emergency foods and portable emergency lights can be stored in the emergency supplies 86. The storage 81 has a width W2 as viewed from the front of 450 mm and an interval W1 of 700 mm. The storage 81 has a top plate and a bottom plate that are not shown in the drawing, but the top plate 75 and the bottom plate 70 are not shown. On the other hand, it is connected by screwing with a fastening tool. The other surface of the storage box 81 can also be fastened to the other side in order to improve seismic performance. In particular, a cushioning material such as rubber or resin may be interposed between the top plate 75 and the top plate of the storage box 81 and / or between the bottom plate 70 and the bottom plate of the storage box 81.

  Thus, the space formed by the top plate 75, the bottom plate 70, and the left and right storages 81 is an evacuation space 88 in which only the front is opened. The evacuation space 88 is a wide evacuation space 88 having a height H1 of 1050 mm and a width W1 of 700 mm. Further, the evacuation space 88 is a long evacuation space 88 having a sufficiently wide opening and a long depth.

  In addition, corner reinforcements 89 that are angled by the fasteners a and b are attached to the upper and lower ends of the rear side of the evacuation space 88, and the top plate is located at a slightly deeper position in the evacuation space 88. A main reinforcing frame 90 is attached so as to extend between 75 and the bottom plate 70, which also serves as a gripping pole at the time of evacuation. That is, 91 is a seating base and 92 is a support column which is a round pipe. The seating base 91 is made of a pair of upper and lower oblong metal plates and is fixed to the top plate 75 and the bottom plate 70 by the fastening tool b. The support columns 92 are fixed to the upper and lower seats 91 by welding in pairs. There may be one support column 92 or more than three. In the event of an earthquake, the main reinforcement frame 90 mainly functions as an anti-seismic member together with the top plate 75 and the bottom plate 70. In addition, the corner column 76, the outer plate 77, the back plate 79, and the like provide an auxiliary anti-seismic function, and an internal storage. 81 exhibits a seismic function also serving as a buffer, and exhibits a large seismic function as a whole. M indicates an evacuee, and these evacuees M are not limited to one person but may be several persons because the evacuation space 88 is a wide space. In the storage 81, as shown in the lower right part of FIG. 42, the personal computer main body PC may be fixedly installed via a cushioning material and protected from an earthquake.

  The high chair 71 includes a leg 72 that is made difficult to slip by a rubber seat 95 and a leg mounting step 96 at a height HB of about 350 mm. Reference numeral 97 denotes a post, on which a seat 98 is pivotably provided so that the HA has a height of 700 to 800 mm. 99 is a backrest, and 100 is a height adjusting lever. Normally, the user sits on the seat 98 through the leg mounting step 96 and puts the leg on the step 96 so that stable work can be performed. Of course, since the top plate 75 is set several steps higher than the standard height m, it is possible to work while standing on the desk without using the high chair 71. In addition, as shown in FIG. 43, the high chair 71 serves as a protective role in the event of an earthquake if it is inserted into the entrance of the evacuation space 88.

FIG. 44 shows a right side view of the desk, and the stored items in the storage box 81 cannot be taken in and out from the side. However, as shown in FIG. Instead of being able to take in and out from outside. In this case, a door 84 may be provided also on the evacuation space 88 side.
In addition, as shown in FIG. 46, the storage may be provided with a door 102, a drawer 103, etc. on the front side of the desk. In this case, a door may be provided on the right or left side.
Furthermore, as shown in the right column of the figure, the storage 81 can be configured as a one-sleeve type provided on one side instead of both sides.
In addition, as shown in FIG. 47, the storage box 81 may be used so as to expand the evacuation space 88 by removing the door 84. In this case, only one storage box 81 can be used as an evacuation space, and the other storage box 81 can be used for storage.

  500 ... floor plate 501 ... floor base plate 502 ... post 507 ... end plate 508 ... reinforcing corner bracket 509 ... main body portion 510 ... front tongue piece 511 ... rear tongue piece 513 ... intermediate left / right joint material 520 ... upper left / right joint material 521 ... upper stage Front / rear connecting material 522... Wide connecting material 525... Top plate 527.

Claims (1)

  A plurality of top plates and a top plate connected to the upper end of the top plate through a hole that is provided on the floor base plate side so as to be arranged in pairs on the left and right ends of the top plate in the longitudinal direction. An underfloor support type earthquake-proof evacuation table having a column of books, and the pair of columns at the left and right ends are connected to each other by end plates and can be carried into the site as one unit. A floor-supported seismic refuge table characterized by connecting a pair of left and right struts with a connecting material to form a reinforcing member under the top plate.

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