JP5124427B2 - Polygon - Google Patents

Description

The present invention relates to a polygonal rod, in particular, a hollow portion and three Yusuke RuTadashi hexagon inside with three longitudinal T-shaped member having a T-shaped cross section, be bent rod in either direction The present invention relates to a novel improvement for achieving a structure having a sufficient repulsive force after bending.

Conventionally, this type of polygon is used only for production, and since patent applications are not filed, patent documents are not specifically disclosed. Can be cited as FIGS. 7 , 8 and 9 .
That is, FIG. 7 shows a hollow hexagonal hook 1, which is composed of six long flat plate members 2 formed of a long flat plate member, and is formed on both sides of each of the long flat plate members 2. The tapered outer wall side surfaces 3 are connected to each other after contacting with an adhesive or the like.

  A hollow portion 4 having a long hexagonal shape is formed inside each of the long flat plate members 2, and the hollow hexagonal spear 1 is formed in a long shape and is tapered from the front edge to the front edge. Is formed.

FIG. 8 shows a conventional solid hexagonal hook 1A. The solid hexagonal hook 1A is composed of six long triangular members 5 having a triangular cross-sectional shape. When the side surfaces 5a come into contact with each other and are connected with an adhesive or the like, the outer peripheral surface is formed in a solid hexagonal column shape so as to form a hexagonal cross section.
Further, as shown in Non-Patent Document 1 described later, the other conventional configuration in FIG. 9 includes two long T-shaped members 10 having a T-shaped cross section and four long plate members 2 having a long shape. The outer peripheral shape of the individual combination forms a horizontally long hexagonal shape, and each of the long T-shaped members 10 is a flat hollow hexagonal rod disposed opposite to each other.
A pair of hollow portions 4 are formed by connecting the inner ends 13 of the protrusions 12 integrally extending to the long T-shaped members 10 to each other and being connected by an adhesive or the like.

“The Bamboo Rod Now” Watarusha, published on June 11, 2007, page 213

Since conventional polygons are configured as described above, the following problems exist.
That is, in the conventional configuration shown in FIG. 7 , the hexagonal heel itself was simply formed in a cylindrical shape, so when the heel is bent, the hollow portion of the cross section may be crushed sideways and the repulsive force may be weakened. It has been difficult to use for a long time.
Further, in the solid hexagonal heel shown in FIG. 8 , since there is no hollow portion inside, the weight of the heel itself is heavy, it is difficult to reduce the weight, and it is difficult to obtain a sufficient amount. .
Further, in the heel having the laterally long hexagonal outer peripheral shape shown in FIG. 9 described above, since only two long T-shaped members are used, each protrusion is linearly arranged in only one direction, and its elasticity In addition to having the disadvantage that the direction in which the heel can be suitably used is limited to one direction, the inner ends of the ridges protruding inside the longitudinal T-shaped member are accurately applied. The process for processing each member in order to make contact with each other becomes longer, and there is a problem that productivity is extremely low.

Polygonal rod according to the invention, the overall shape forms the longitudinal rods, the outer peripheral shape is formed by the cross-sectional MenTadashi hexagon, three hollow having three longitudinal T-shaped member having a T-shaped cross section in configuration which forms a part, the longitudinal T-shaped member is scraped a triangular prism made of bamboo, between before Symbol longitudinal T-shaped member and the longitudinal T-shaped member is interposed in the longitudinal flat member The longitudinal plate members are arranged in the same number and alternately, the outer wall side surfaces on both sides of the outer wall flat wall portions of the respective longitudinal T-shaped members abut on the flat plate side surfaces on both sides of the longitudinal plate member, the inner end of each rib projecting toward said inwardly disposed at the center of each longitudinal T-shaped member is brought into contact with each other, each of said external wall side and the flat side face is made of tapered surfaces, each longitudinal each inner end of the T-shaped member, Ri configuration der consisting chevron protrusion, also the projection of the longitudinal T-shaped member, double A configuration in which notch or transverse hole are formed.

Since the polygon according to the present invention is configured as described above, the following effects can be obtained.
That is, the overall shape forms the longitudinal rods, the polygonal rod whose outer peripheral shape is formed by the cross-sectional MenTadashi hexagon, three hollow portion has three longitudinal T-shaped member having a T-shaped cross section By doing so, it is supported by three ridges in spite of being hollow, so it maintains high elasticity even when bent in any direction, there is no subsequent deformation, and durability High salmon can be obtained.
Further, the longitudinal T-shaped member is composed of three pieces, and a longitudinal flat plate member is interposed between the longitudinal T-shaped members, and on both sides of the flat wall portion for each outer wall of the longitudinal T-shaped member. The outer wall side surfaces are in contact with the flat plate side surfaces on both sides of the long flat plate member, and the inner ends of the protrusions provided in the center of the long T-shaped member and projecting inward are in contact with each other. Thus, a hollow ridge having a regular hexagonal cross section can be obtained.
Further, each of the outer wall side surface and the flat plate side surface is formed of a tapered surface, thereby facilitating connection between each long T-shaped member and the long flat plate member. Moreover, each inner end of each said longitudinal T-shaped member consists of a mountain-shaped protrusion part, Therefore The connection of the inner end of each protrusion of each longitudinal T-shaped member becomes easy.

The present invention is directed to regular hexagonal shape having three hollow portion inside with three longitudinal T-shaped member having a cross-section T-, sufficient repulsion force after bending of the rod even when bending in either direction The purpose is to provide the polygonal polygons possessed by

Hereinafter, preferred embodiments of a polygon according to the present invention will be described with reference to the drawings.
The same reference numerals are used for the same or equivalent parts as in the conventional example.
In FIG. 1, what is indicated by reference numeral 1 is a polygonal ridge composed of hollow regular hexagonal ridges, and this polygonal ridge 1 includes at least three longitudinal T-shaped members 10 having a T-shaped cross section and the longitudinal a T-shaped member to the three long hand flat plate member 2 such a connected to both sides longitudinal plate-like 10, and a.
The longitudinal T-shaped members 10 and the longitudinal flat plate members 2 are arranged in the same number and alternately as shown in FIG.

  Each of the longitudinal T-shaped members 10 includes a flat plate-like wall portion 11 for an outer wall formed in a flat plate shape, and a protrusion 12 that is provided at the center of the flat wall portion 11 for the outer wall and protrudes inward. It is composed of

  On both sides of the flat wall portion 11 for the outer wall of each of the long T-shaped members 10, outer wall side surfaces 3 made of a tapered surface 12a are formed, and the inner end 13 of the ridge 12 is constituted by an angled protrusion 14b. ing.

Flat plate side surfaces 14 each having a tapered surface 14 a are formed on both sides of the long flat plate member 2. By connecting the outer wall side surfaces 3 on both sides of the outer wall with an adhesive or the like, a polygonal ridge 1 composed of hollow regular hexagonal ridges is formed.
The chevron protrusions 14b are connected to each other by an adhesive or the like, and three hollow portions 4 are formed inside the longitudinal T-shaped member 10 and the longitudinal flat plate member 2. Therefore, each said protrusion 12 has the effect | action as a support | pillar with respect to the said hollow part 4. FIG.

Next, the case where the said longitudinal T-shaped member 10 and the longitudinal flat plate member 2 which comprise the above-mentioned polygonal hook 1 are manufactured is demonstrated.
As shown in FIG. 2 , the bamboo material 50 is used as a material. First, an elongated bamboo material 50 is formed at an angle of 60 degrees with an angular cutter device 60 using two known angular cutters 51 of 60 degrees. Cut into a rough triangular prism. The bamboo material 50 is cut by a side cutter device 55 in which a pair of well-known side cutters 52 and 53 are sandwiched between spacers 54, whereby the bamboo material 50 having a triangular shape as a whole is formed into a T-shaped column 56 having a T-shaped cross section. Is done.

Next, as shown in FIG. 4 , an angular cutter device using a 60-degree angular cutter 51 with a shoulder portion cut out at 120 degrees or two 120-degree angular cutters. 60, the taper surface 12a and the inner end 13 of the T-shaped column 56 are cut from 60 degrees to 120 degrees (the dot portion 60a in FIG. 4 is cut), whereby the above-described long T-shaped member 10 is formed. .
That is, by using a pair of 60-degree angular cutters 51 having 120-degree cutouts, it is possible to simultaneously finish the protrusion 12 of the long T-shaped member 10 and the flat wall portion 11 for the outer wall.
In addition, in the polygonal wall by this invention, although it can comprise using the at least 3 long T-shaped member 10, in this case, the flat wall part 11 for outer walls of the long T-shaped member 10 is used. By extending one side or both sides, the hollow hexagonal hook shown in FIG. 1 can be formed without using an independent longitudinal flat plate member 2. The ridges 12 projecting toward inward provided in the center of the outer wall for flat wall portion 11 of the longitudinal T-shaped member 10 is a usual wall-like structure, as shown in FIGS. 5 and 6 Further, it is possible to further reduce the weight without impairing the effects of the present invention by appropriately providing the horizontal hole 12D and the notch 12B in this portion. Further, in the configuration of FIG. 1 described above, the shape in which the protrusions 12 are assembled is formed in a trifurcated shape (star shape) . Therefore, even when the heel is bent in any direction, the shape after the heel is bent A repulsive force can be sufficiently obtained.

It is a perspective view which shows the cross section which shows the polygonal surface by this invention. It is process drawing which shows the state which processes the polygonal part of FIG. It is process drawing which shows the state which processes the bamboo material 50 processed in FIG. 2 to a T-shaped pillar. It is process drawing which shows the state which processes the T-shaped pillar of FIG. 3 with an angular apparatus, and obtains the longitudinal T-shaped member 10. FIG. It is a perspective view which shows the other form of the polygonal rib protrusion by this invention. It is a perspective view which shows the other form of the polygonal rib protrusion by this invention. It is a perspective view which shows a part of conventional hollow hexagonal hook. It is a perspective view which shows a part of conventional solid hexagonal cage. It is a perspective view which shows a part of conventional flat hollow hexagonal hook.

DESCRIPTION OF SYMBOLS 1 Polygonal rib 2 Longitudinal flat plate member 3 Side surface for outer wall 4 Hollow part 10 Long-sided T-shaped member 11 Flat wall part for outer wall 12 Projection 12a Tapered surface 12B Notch 12D Horizontal hole 13 Inner end 14b Mountain-shaped protrusion 14a Tapered surface 50 Bamboo material 51 Angular Cutter 52, 53 Side Cutter 54 Spacer 55 Side Cutter Device 56 T-Shaped Column 60 Angular Cutter Device

Claims (2)

Overall shape forms the longitudinal rods, the outer peripheral shape is formed by the cross-sectional MenTadashi hexagon, has three longitudinal T-shaped member (10) forming the cross section T-shaped three hollow portions (4) in a such to multi angle rod, the longitudinal T-shaped member (10) is made by cutting a triangular prism made of bamboo, the respective longitudinal T-shaped member (10) longitudinal flat plate member (2) is of interposed between The long T-shaped members (10) and the long flat plate members (2) are arranged in the same number and alternately so that the flat wall portions (11) for the outer walls of the long T-shaped members (10) are arranged. The outer wall side surfaces (3) on both sides are in contact with the flat plate side surfaces (14) on both sides of the long flat plate member (2), and are provided in the center of the long T-shaped members (10). The inner ends (13) of the protruding ridges (12) abut each other,
Each of the outer wall side surface (3) and the flat plate side surface (14) comprises a tapered surface (12a, 14a) ,
Each inner end of each longitudinal T-shaped member (10) (13), multi Sumisao characterized by Rukoto such from Yamagata protrusion (14b). The polygonal hook according to claim 1, wherein a plurality of notches (12B) or lateral holes (12D) are formed in the ridge (12) of the longitudinal T-shaped member (10).

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