JPH07180739A - Elastic structural body - Google Patents

Abstract

PURPOSE:To provide an elastic structural body which can easily be installed on a floor surface and a wall surface for a building and a vehicle, and concurrently is excellent in cushion property and durability. CONSTITUTION:A plurality of elastic plate sections 4... composed of paired right and left inclined piece sections 5 and 5 in a two stepped crest type in cross section each are line up in parallel over the one surface 13 of a flat plate section 12. The height H of each elastic plate section 4 is set identical. Each inclined piece section 5 includes a first rough section 2a, a first crept section 2b, a second trough section 2c and a second crest section 2d which are curved in an arc shape, in order from a lower end 14 to an upper end 15 in the recessed and projection shape. When compressive force equal to or more than a specified value is applied to the upper end 15 of the elastic plate section 4, the elastic plate section 4 is deformed in such a way as to be formed into three crest sections which are identical in height, pitch and shape.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to an elastic structure.

[0002]

2. Description of the Related Art Conventionally, as an elastic structure used for a cushion such as a bed or a chair, generally, a U-shaped elastic filament or a coil-shaped elastic filament is used. It had been.

Further, there is a structure in which a rubber or soft plastic layer is laid on the floor or wall surface of a gymnasium or the floor surface of a passage to provide cushioning properties.

[0004]

However, in the conventional elastic structure described above, for example, in the case of a U-shaped elastic filament or a coil-shaped elastic filament, the elastic filament is It was necessary to fix them one by one, and there was a drawback that construction time was required.

Further, the elastic linear member is difficult to be fixed to other members, and even if it is fixed once, there is a risk that it may be unexpectedly detached and displaced.

[0006] Further, in the case where the soft elastic layer for the floor surface or the wall surface is laid, the construction is difficult, the absorbed energy is not sufficient, and there is a problem in durability.

Therefore, the present invention solves the above-mentioned drawbacks,
It is an object of the present invention to provide an elastic structure that can be easily installed, does not dislocate once installed, has a large cushioning effect, and has excellent durability.

[0008]

According to the elastic structure of the present invention, an elastic plate portion having a two-stepped mountain-shaped cross-section formed of a pair of left and right inclined pieces is provided on one surface of a flat plate portion. A plurality of elastic structures arranged in parallel, the height dimensions of the plurality of elastic plate portions are set to be the same, and both lower ends of the elastic plate portions are connected to the flat plate portion in an inclined manner, and Each of the inclined piece portions of the elastic plate portion has a first valley portion, a first peak portion, a second valley portion, and a second peak portion that are curved in an arc shape, in order from the lower end to the upper end in a wavy shape. Further, in the free state, the first valley portion, the first peak portion, the second valley portion, and the second peak portion are arranged above both lower ends of the elastic plate portion, and In a compressed state in which a compression force of a predetermined value or more is applied to the upper end of the elastic plate portion, the second valley portion comes into contact with one surface of the flat plate portion, and the elastic deformation is height / pitch / shape. There is for elastically deformed to form three ridges of substantially the same.

[0009]

A plurality of elastic plate portions each having a pair of left and right slanted portions and having a mountain-like cross-section having a two-stepped cross-section are arranged in parallel on one surface of one flat plate portion 1, and the height of the plurality of elastic plate portions is increased. Since the height dimensions are set to be the same, the upper ends of the elastic plate portions can be evenly contacted with the flat surfaces of the other members. Also, at the upper end of the elastic plate part,
When a compressive force is applied, the elastic plate portion, while accumulating elastic energy, contracts the pair of left and right slanted pieces in the uneven wavy wavelength direction and bends the slanted piece in a direction in which the inclination changes. Two types of elastic deformation occur, and the height dimension of the elastic plate portion decreases. The first trough, the first crest, the second trough, and the second crest of the pair of left and right inclined plate portions of the elastic plate portion are curved in an arc shape, so that stress concentration can be relieved and impact can be reduced. It is absorbed smoothly. Also, since the cross-sectional shape is a two-step mountain shape, when the upper end approaches the flat plate portion, the elastic plate portion is maintained in a symmetrical shape, and the upper end and other members contacting with each other are mutually It does not slide and other members are stable without shaking laterally.

Further, since both lower ends of the elastic plate portion are connected to the flat plate portion in an inclined manner, the inclined piece portion is always elastically deformed in a fixed direction against a compressive force. Further, when a compressive force of a predetermined value or more is applied to the upper end of the elastic plate portion, the second valley portion comes into contact with one surface of the flat plate portion, and the elastic plate portion has three substantially the same height, pitch, and shape. Since the ridges are formed, the upper ends of the ridges can be brought into contact with the flat surfaces of the other members, so that the other members are stable without swinging to the left and right, and a large yield strength is produced.

[0011]

The present invention will be described in detail below with reference to the drawings illustrating the embodiments.

FIG. 1 shows an embodiment of an elastic structure according to the present invention. This elastic structure is used for cushioning chairs and benches, or cushioning floors and walls of buildings, roads, machines and vehicles. It is used for various purposes such as skis and guardrails.

This elastic structure has one surface of the flat plate portion 12
In FIG. 13, a plurality of elastic plate portions 4 having a two-stepped mountain-shaped cross-section, which are composed of a pair of left and right inclined piece portions 5 and 5, are arranged side by side. In the example shown in FIG. The plate portions 4 are integrally molded by a molding method such as extrusion molding.

Further, the height dimension H of the plurality of elastic plate portions 4 ...
Are set to be the same, and both lower ends 14, 14 of the elastic plate portion 4 are
Is connected to the flat plate portion 12 in an inclined manner, and the inclined piece portions 5 and 5 of the elastic plate portion 4 are each curved in an arc shape to form a first valley portion 2
a, the first mountain portion 2b, the second valley portion 2c, and the second mountain portion 2d,
The lower end 14 to the upper end 15 have a corrugated shape in order. Accordingly, even if the elastic plate portion 4 is elastically deformed, the stress concentration is relieved, so that the damage can be prevented.

Further, in the free state, the first valley portion 2a, the first crest portion 2b, the second trough portion 2c and the second crest portion 2d are located above both lower ends 14 and 14 of the elastic plate portion 4. In the compressed state in which the compressive force of a predetermined value or more is applied to the upper ends 15 of the plurality of elastic plate portions 4 (as indicated by the phantom line), the second valley portions 2 are arranged.
The c and 2c are configured to contact the one surface 13 of the flat plate portion 12.

The elastic plate portion 4 of this elastic structure is ...
When another member (not shown) such as a flat plate material is brought into contact with the upper end 15 of the above and a compressive force is applied downward, the height dimension H of the plurality of elastic plate portions 4 ... Acts uniformly on the surface of the other member. Therefore, it is optimal when used in a large area. Further, since the elastic plate portions 4 do not swing to the left and right, sliding does not occur between the other member and the elastic plate portions 4 ..., squeak noises and the like do not occur, and lateral shake of other members can be prevented. .

Further, both lower ends 14, 14 of the adjacent elastic plate portions 4, 4 are
14 are continuous with each other. Therefore, the elastic plate portions 4 ... Of this elastic structure are continuously arranged side by side.

The elastic plate portions 4 are continuous in the front-rear direction, and the length dimension thereof is the same as the length dimension of the flat plate portion 12 in the front-rear direction.

The predetermined angle θ of the elastic plate portion 4 is 40 ° ≦
It is preferable that θ ≦ 70 °, particularly 45 ° ≦ θ ≦ 60 °.

Further, the relationship between the thickness t ₁ and the thickness t ₂ of the elastic plate portions 4 of the flat plate portion 12 is preferably set to _{1 / 2t 1 ≦ t 2 ≦} t 1.

As the material of the elastic structure, plastic such as thermoplastic resin, metal, or composite material is used.

Therefore, the upper ends 15 of the respective elastic plate portions 4 ... Of the elastic structure of this embodiment are brought into contact with the wall surface or floor surface of a building, a vehicle or the like, and this elastic structure is attached to the wall surface or floor surface. Fix it.

Thus, the upper end 15 of the elastic plate portion 4 and the flat plate portion 12 are
When the force W that brings the and close to each other acts, as shown by the phantom line,
The corrugated elastic plate portions 4 ... Contract in the wavelength direction.

Further, the uneven wave-shaped elastic plate portions 4 ... Are twisted in a direction in which the predetermined angle θ of inclination is small.

However, when the force W is relatively small, as described above, the contraction of the corrugated elastic plate portions 4 ... In the wavelength direction and the twist in the direction in which the predetermined angle .theta. Due to the two types of elastic deformation, the height dimension H of the elastic plate portions 4 becomes small, elastic energy is accumulated, and the shock is smoothly absorbed.

Further, at the position where the height dimension H of the elastic plate portions 4 ... Is minimized, that is, in the compressed state in which a compressive force of a predetermined value or more is applied, the elastic plate portions 4 ... Second valley 2c
Is brought into contact with the one surface 13 of the flat plate portion 12, and the elastic plate portion 4 is elastically deformed so as to form three ridge portions having substantially the same height, pitch, and shape, as shown by imaginary lines.

Therefore, each mountain portion, that is, the upper end 15 of the elastic plate portion 4, the first mountain portion 2b and the second mountain portion 2d of the inclined piece portion 5 are formed.
Can contact the other member, and the compressive stress can be uniformly applied to the surface of the other member. Further, since a large proof stress is generated in the elastic plate portion 4, it has excellent durability and is in a soft state capable of smoothly absorbing an impact against a relatively small compressive force and a hard state capable of sufficiently withstanding a large compressive force. And two levels of cushioning.

Next, FIG. 2 shows another embodiment. In this elastic structure, elastic plate portions 4 ... Are arranged side by side at predetermined intervals T. The other structures are the same as those described above.

Therefore, according to this elastic structure, as shown in FIG.
The effect similar to that of is obtained. Further, as shown in FIG. 3, the apexes of the mountain portions 4 of the elastic plate portions 4 can be brought into contact with the outer peripheral surface of the pillar 8 of the building to use the pillar 8 as a cover.

By doing so, the durability of the pillar 8 can be improved, and when another object collides with the elastic structure covering the pillar 8, the damage of the other object can be prevented. .

[0031]

The present invention has the following significant effects with the above-mentioned configuration.

When a compressive force is applied to the upper ends 15 of the plurality of elastic plate portions 4, the compressive stress is uniformly applied to the surface of the other member that abuts the upper ends 15 of the elastic plate portions 4. This is suitable for the case where the surface of the other member has a large area. Also,
It is possible to prevent the upper ends 15 of the elastic plate portions 4 ...
The other members that come into contact with the upper ends 15 are stable and do not swing to the left or right.

Further, when the upper ends 15 of the elastic plate portions 4 are pressed by other members to elastically deform the elastic plate portions 4, it is possible to prevent squeaking noise from being generated.

Further, in a compressed state in which a compression force of a predetermined value or more is applied, the other members are the upper end 15 of the elastic plate portion 4 and the first crest portion 2b and the second crest portion of the inclined piece portion 5. 2d keeps it more stable.

Further, it is possible to exhibit two-stage cushioning properties, that is, a soft state in which an impact can be smoothly relaxed against a relatively small compressive force and a hard state in which a large compressive force can be sufficiently endured.

[Brief description of drawings]

FIG. 1 is a sectional view showing an embodiment of an elastic structure of the present invention.

FIG. 2 is a cross-sectional view showing another embodiment.

FIG. 3 is a cross-sectional view illustrating a usage state.

[Explanation of symbols]

 2a 1st valley part 2b 1st mountain part 2c 2nd valley part 2d 2nd mountain part 4 Elastic plate part 5 Inclined piece part 12 Flat plate part 13 One surface 14 Lower end 15 Upper end H Height dimension

Claims (1)

[Claims] 1. A plurality of elastic plate portions 4 each having a pair of left and right inclined strip portions 5 and 5 and having a two-stepped mountain-shaped cross section are arranged in parallel on one surface 13 of a flat plate portion 12. In the elastic structure, the heights H of the plurality of elastic plate portions 4 are set to be the same, and both lower ends 14, 14 of the elastic plate portions 4 are connected to the flat plate portion 12 in an inclined manner, Moreover, the inclined piece portions 5, 5 of the elastic plate portion 4 are
Reference numeral 5 denotes a first valley portion 2a and a first mountain portion 2 which are respectively curved in an arc shape.
b, the second valley portion 2c and the second crest portion 2d from the lower end 14 to the upper end.
15 in order of uneven wavy, and in the free state,
The first valley portion 2a, the first peak portion 2b, the second valley portion 2c, and the second peak portion 2d are arranged above both lower ends 14 and 14 of the elastic plate portion 4, and the plurality of elastic plates are formed. In a compressed state in which a compression force of a predetermined value or more is applied to the upper end 15 of the portion 4, the second
The valley portions 2c, 2c are in contact with the one surface 13 of the flat plate portion 12, and the elastic plate portion 4 is elastically deformed so as to form three peak portions having substantially the same height, pitch, and shape. An elastic structure that does.