JP5294515B2 - Indoor earthquake resistant shelter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an indoor earthquake-proof shelter which can be used as a dwelling space without feeling a swing motion for its ordinary use, and can safely protect residents when it is greatly swung by earthquakes. <P>SOLUTION: An indoor earthquake-proof shelter 1 includes: an indoor earthquake-proof shelter body 4 which is comprised of four support posts 7 fixed at four corners of a rectangular base plate 6 installed on an indoor floor surface, a rectangular ceiling panel 8, and reinforcement members 9; a lower plate 12 installed between the base plate 6 and the indoor floor surface; an intermediate plate 13 in which a plurality of pieces of through-holes having a diameter of five times or more thickness arranged on the lower plate 12 and a plurality of wedge insertion recesses opened at an outer peripheral part are formed; a plurality of steel balls stored in the through-holes and having a diameter dimension which is larger than the thickness of the intermediate plate 13; and a seismic isolator 5 with swing prevention device which is inserted into the wedge insertion recess and is comprised of a bottom surface of the indoor earthquake-proof shelter body 4 and a plurality of wedges 17 contacting the lower plate 12. <P>COPYRIGHT: (C)2013,JPO&amp;INPIT

Description

  The present invention relates to an indoor earthquake-resistant shelter that is installed in a room such as a bedroom and ensures the safety of residents during an earthquake.

  Conventionally, a rectangular bottom plate installed on an indoor floor, four columns formed at the four corners of the bottom plate, a rectangular ceiling panel fixed to the top surface of the four columns, the ceiling panel and 4 Between the indoor seismic shelter body, which is composed of the support columns and reinforcing members such as braces that reinforce the connection between the four support columns and the bottom plate, and between the bottom plate of the indoor seismic shelter body and the indoor floor surface. It is considered by the present applicant that a seismic isolation device using an interposed slip material constitutes an indoor seismic shelter.

  However, the indoor earthquake-resistant shelter having such a structure has a drawback that the seismic isolation device operates and shakes when entering the indoor earthquake-resistant shelter body during normal use.

Japanese Patent No. 3734971 Design Registration No. 1418290

  In view of the above-mentioned conventional drawbacks, the present invention can be used safely and comfortably as a living space or bed, and can be shaken greatly in an earthquake-proof shelter body for use as a living space or bed without feeling shaking during normal use. In this case, the object is to provide an indoor earthquake-resistant shelter that can absorb the shaking motion and can safely protect a person inside the indoor earthquake-resistant shelter body.

The above and other objects and novel features of the present invention will become more fully apparent when the following description is read in conjunction with the accompanying drawings.
However, the drawings are for explanation only and do not limit the technical scope of the present invention.

  In order to achieve the above object, the present invention provides a rectangular bottom plate installed on a floor surface in an indoor room, four columns fixed to the four corners of the bottom plate, and a rectangular shape fixed to the upper surface of the four columns. An indoor earthquake-resistant shelter body comprising the ceiling panel, the ceiling panel, the four struts and a reinforcing member that reinforces the bottom plate, and is provided between the bottom plate of the indoor earthquake-resistant shelter body and the indoor floor surface. An intermediate plate formed with a plurality of through holes having a diameter of 5 times or more the thickness of the lower plate disposed on the lower plate and a plurality of wedge insertion recesses opened on the outer periphery; A plurality of steel balls, each of which is housed in each of the plurality of through-holes and formed in a diameter dimension larger than the thickness dimension of the intermediate plate, and in contact with the bottom plate of the indoor earthquake-resistant shelter body, Inserted into multiple wedge insert recesses, front A plurality of wedges that are in contact with the bottom surface of the indoor earthquake-resistant shelter body and the lower plate, prevent the indoor earthquake-resistant shelter body from swinging with a small shaking motion, and capable of operating the plurality of steel balls during a large shaking motion; The seismic isolation device with anti-sway that consists of

As is clear from the above description, the present invention has the following effects.
(1) According to the first aspect, the plurality of wedge effects of the seismic isolation device with anti-swaying reliably prevent the indoor seismic shelter body from shaking when entering and exiting the indoor seismic shelter body during normal use. If a large swaying motion occurs due to an earthquake, the wedges of the seismic isolation device with anti-swaying are pushed out from the wedge insertion recesses in the middle plate, and the wedges do not act, and the lower plate and the indoor earthquake-proof shelter body It becomes a state supported by a plurality of steel balls in a plurality of through holes formed in the middle plate between the bottom plate and the bottom plate absorbs the shaking movement of the lower plate to the bottom plate of the indoor earthquake-proof shelter body It is possible to prevent transmission and seismic isolation effect is obtained.
Therefore, if it is in the indoor earthquake-resistant shelter body, it is safely protected.
(2) According to (1) above, the seismic isolation device with anti-sway is composed of an intermediate plate, a plurality of steel balls, a lower plate and a plurality of wedges, so that the structure is simple and can be manufactured at low cost. it can.
Therefore, it can be manufactured at low cost.
(3) According to the above (1), since it is only necessary to insert the wedges into the plurality of wedge insertion recesses of the intermediate plate, the indoor seismic shelter body can be easily prevented from shaking.
(4) In claim 2, the same effects as in the above (1) to (3) can be obtained, and the size of the bottom plate and the bottom plate and the middle plate of the seismic isolation device with anti-sway are the same. Since it is formed, a smart shape and structure can be obtained without taking an installation area more than necessary.

The front view of the 1st form for carrying out the present invention. The top view of the 1st form for carrying out the present invention. Sectional drawing which follows the 3-3 line of FIG. Explanatory drawing of the indoor earthquake-proof shelter main body of the 1st form for implementing this invention. Explanatory drawing of the seismic isolation apparatus with a rocking | fluctuation of the 1st form for implementing this invention. Sectional drawing which follows the 6-6 line of FIG. Sectional drawing which follows the 7-7 line | wire of FIG. Explanatory drawing of the state swung greatly by the earthquake of the 1st form for implementing this invention. The front view of the 2nd form for carrying out the present invention. The top view of the 2nd form for carrying out the present invention. Sectional drawing which follows the 11-11 line of FIG. The front view of the 3rd form for carrying out the present invention. The top view of the 3rd form for carrying out the present invention. Explanatory drawing of the seismic isolation apparatus with a rocking | fluctuation of the 3rd form for implementing this invention.

  Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings.

  In the first embodiment for carrying out the present invention shown in FIG. 1 to FIG. 8, 1 is installed on the floor surface 3 of the room 2 and can be used as a bed or an emergency escape place. This indoor earthquake-resistant shelter 1 is installed on the floor surface 3 of the room 2, and can be used as a bed or the like in a normal state, and the bottom surface of the indoor earthquake-resistant shelter body 4 It is comprised with the seismic isolation apparatus 5 with a rocking | fluctuation interposed between the said floor surfaces 3. As shown in FIG.

  The indoor earthquake-resistant shelter body 4 includes, for example, a bottom plate 6 having a size of 900 mm × 2000 mm, four support columns 7, 7, 7, 7 fixed to four corners of the bottom plate 6, A ceiling panel 8 of the same size as the bottom plate 6 fixed to the upper surface of the columns 7, 7, 7, 7, the ceiling panel 8, the four columns 7, 7, 7, 7, and the four 16 reinforcement members 9 using triangular braces that reinforce the pillars 7, 7, 7, 7 and the bottom plate 6, and both ends on the lower side of the four pillars 7, 7, 7, 7 The frame members 10, 10, 10 whose lower part is fixed to the bottom plate 6 and the urging spring 11 attached to the wall surface 2 a of the room 2 so that the bottom plate 6 is always in the original state. 11, 11, 11.

  The reinforcing member 9 may have any shape or structure as long as it can be reinforced.

  The seismic isolation device 5 with anti-sway is a lower plate 12 formed in the same size as the bottom plate 6 of the indoor earthquake-resistant shelter body 4, and the lower plate 12 disposed so as to overlap the lower plate 12. A plurality of through holes 14 having a diameter of at least five times the thickness of the middle plate 13, formed in the middle plate 13 of the same size, and in the portions near the center and both sides of the middle plate 13; 14, 14, 14, 14, and a plurality of U-shaped wedge insertion recesses 15, 15, 15, 15, 15, 15, 15, 15 formed so as to open in the outer peripheral portion of the intermediate plate 13, , A plurality of steel balls 16 having a diameter more than twice the thickness of the intermediate plate 13 housed in the plurality of through holes 14, 14, 14, 14, 14, and the wedge insertion recesses 15,15,15,15,15,15,15,15 A plurality of wedges 17, 17, 17, 17, 17 having a tip end thinner than the diameter of the steel ball 16 and a rear end thicker than the diameter of the steel ball 16. , 17, 17, and 17.

It should be noted that the lower plate 12 and the intermediate plate 13 may be stacked in a fixed state, integrally formed, or simply stacked.
The indoor earthquake-resistant shelter 1 having the above-described configuration can be used as a bed by laying a futon on the bottom plate 6 of the indoor earthquake-resistant shelter body 4 in a normal state, and shakes when entering and exiting the indoor earthquake-resistant shelter body 4. A state in which the lower plate 12 and the bottom plate 6 of the indoor earthquake-proof shelter body 4 are connected via a plurality of wedges 17, 17, 17, 17, 17, 17, 17, 17 of the seismic isolation device 5 with a stop; Therefore, it can be safely used without shaking the indoor earthquake-resistant shelter body 4 depending on normal entry and exit.

When a large shaking motion occurs due to an earthquake, the plurality of wedges 17, 17, 17, 17, 17, 17, 17, 17 are moved into the plurality of wedge insert recesses 15, 15 of the intermediate plate 13 by the movement of the indoor earthquake-resistant shelter body 4. 15, 15, 15, 15, 15, 15, the bottom plate 6 of the indoor earthquake-resistant shelter body 4 is accommodated in the plurality of through holes 14, 14, 14, 14, 14 of the intermediate plate 13. Since the base plate 12 is supported by the plurality of steel balls 16, the vibration of the lower plate 12 of the seismic isolation device 5 with anti-swaying installed on the floor surface 3 is passed through the plurality of steel balls 16 and the indoor seismic shelter body. 4, the movement of the plurality of steel balls 16 reduces the swaying motion.
Moreover, since the indoor seismic shelter body 4 is biased by the biasing springs 11, 11, 11, and 11 so as to return to the original position, the indoor seismic shelter body 4 is moved from the original position by the swinging motion. There will be no excuses.

[Different forms for carrying out the invention]
Next, different modes for carrying out the present invention shown in FIGS. 9 to 14 will be described. In the description of the different embodiments for carrying out the present invention, the same components as those in the first embodiment for carrying out the present invention are denoted by the same reference numerals, and redundant description is omitted.

  The second embodiment for carrying out the present invention shown in FIG. 9 to FIG. 11 is different from the first embodiment for carrying out the present invention in that an upper plate 18 that overlaps the intermediate plate 13 is used. In order to carry out the present invention, the indoor earthquake-resistant shelter body 1A configured as described above is provided with the indoor earthquake-resistant shelter body 4 on the upper plate 18 using the seismic isolation device 5A. The same effect as the first embodiment can be obtained.

  In the embodiment of the present invention, the urging springs 11, 11, 11, 11 may be installed at the four corners of the upper plate 18.

  The third embodiment for carrying out the present invention shown in FIGS. 12 to 14 is mainly different from the first embodiment for carrying out the present invention in that four through holes 14, 14, 14, 14A, and a plurality of wedges 17A, 17A, 17A, 17A, 17A, 17A, 17A having a string attachment hole 19 for attaching the string 20 to the central portion of the rear end. In order to use the seismic isolation device 5B with an anti-sway device 17B using the seismic isolation device 5B with an anti-sway device, the indoor earthquake-resistant shelter 1B is provided. The same effect as the first embodiment can be obtained.

  The present invention is used in the industry for manufacturing earthquake-proof shelters installed indoors.

1, 1A, 1B: Indoor earthquake resistant shelter,
2: Indoor, 3: Floor
4: A seismic shelter body for indoor use,
5, 5A, 5B: Seismic isolation device with anti-sway,
6: Bottom plate, 7: Prop,
8: Ceiling panel, 9: Reinforcing member,
10: frame member, 11: biasing spring,
12: Lower plate 13, 13A: Middle plate,
14: through hole, 15: wedge insertion recess,
16: Steel ball 17, 17A: Wedge,
18: Upper plate, 19: String attachment hole,
20: String.

Claims (2)

A rectangular bottom plate installed on the floor of the room, four columns fixed to the four corners of the bottom plate, a rectangular ceiling panel fixed to the top surface of the four columns, the ceiling panel, the four An indoor seismic shelter body comprising a support member and a reinforcing member that reinforces the bottom plate, a lower plate provided between the bottom plate of the indoor seismic shelter body and the indoor floor, and disposed on the lower plate A central plate in which a plurality of through holes having a diameter size of 5 times or more of the thickness and a plurality of wedge insertion recesses opened in the outer periphery are formed, and are respectively accommodated in the plurality of through holes of the intermediate plate. Further, a plurality of steel balls in contact with the bottom plate of the indoor seismic resistant shelter body, formed into a diameter dimension larger than the thickness dimension of the intermediate plate, respectively inserted into a plurality of wedge insertion recesses of the intermediate plate, A bottom surface of the indoor earthquake-resistant shelter body; A seismic isolation device with a vibration-preventing device comprising a plurality of wedges that come into contact with the lower plate and prevent the movement of the indoor earthquake-resistant shelter main body when the rocking motion is small, and enable the operation of the plurality of steel balls when the rocking motion is large A seismic shelter for indoor use. The bottom plate and middle plate of the seismic isolation device with anti-swaying are the same size as the bottom plate of the indoor seismic shelter body, and the four corners of the indoor seismic shelter body return to their original positions when they swing. The earthquake-resistant shelter for indoor use according to claim 1, further comprising a restoring spring for returning.

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