JP5525846B2 - Curved surface model - Google Patents

Description

  The present invention relates to a curved surface model such as a three-dimensional curved surface shape displayed as an ornament.

  Conventionally, various methods for creating a free-form surface have been proposed, for example, in JP-A-7-334704. In these disclosed methods, a curved surface is represented by a wire frame model or the like using a computer, and a viewpoint or the like is set for the wire frame model and displayed on a display.

JP-A-7-334704

  By the way, if this type of curved surface shape is expressed by a model (hereinafter referred to as a curved surface model), it will be possible to deepen the understanding of the curved surface, which is convenient. Also, this type of curved surface model can find value as an ornament, and can be used as a figurine. However, for example, when used as an ornament, this type of curved surface model may be difficult to store and transport. In particular, if the shape is to be expressed in detail, the curved surface model is inevitable to be large, and in this case, storage and transportation become extremely difficult.

  This invention is made | formed in view of the above-mentioned subject, and aims at proposing the curved surface model convenient for a preservation | save and conveyance regarding the curved surface model used as a figurine etc. For this reason, this invention is comprised from the following technical matters.

  (1) A plurality of first plate-like members extending in one direction and a plurality of second plate-like members extending in a direction orthogonal to the one direction are combined in a lattice shape, and the first and second A curved surface model representing a curved surface shape in a three-dimensional space by an end surface of a plate-like member, wherein the first and second plate-like members are each provided with slits at a constant pitch, and the first plate-like member The slits of the second plate member are meshed with the slits of the first plate member and the second plate member is inserted into the slits of the first plate member so as to be combined in a lattice shape. At least one of the second plate-like members is made of a metal plate having elasticity, and the slit is provided with a notch that facilitates deformation of a portion where the slit is provided.

  (2) The curved surface model according to claim 1, wherein the cut is a narrow groove provided at a base of the slit and extending from the slit in a direction orthogonal to the slit.

  The curved surface model of (1) is provided with a notch that facilitates deformation of the portion provided with the slit, so that the portion provided with the slit is easily deformed, and the first and second plate-like members overlap. The whole can be crushed and stored and transported. Moreover, since the 1st and / or 2nd plate-shaped member is created with the metal plate material which has elasticity, and the notch | incision is provided, it can crush, preserve | save, convey, and can return to the original shape as needed. it can. Thereby, a curved surface model convenient for storage and transportation can be provided.

  The curved surface model (2) is a narrow groove extending from the slit in a direction orthogonal to the slit, and therefore a curved surface model convenient for storage and transportation can be provided with a more specific configuration.

  ADVANTAGE OF THE INVENTION According to this invention, the curved surface model convenient for preservation | save and conveyance can be provided regarding the curved surface model used, for example as a figurine.

It is a figure where it uses for description of the figurine which concerns on the 1st Embodiment of this invention. It is a perspective view which shows the figurine which concerns on the 1st Embodiment of this invention. It is a top view of the figurine of FIG. It is a figure of the 1st plate-shaped member which is a component of the figurine of FIG. It is a figure of another 1st plate-shaped member. It is a figure of the 2nd plate-shaped member which is a component of the figurine of FIG. It is a figure of another 2nd plate-shaped member. It is a perspective view which shows the state which crushed the figurine of FIG.

  Hereinafter, embodiments of the present invention will be described in detail.

(1) Configuration of the Embodiment FIG. 2 is a perspective view showing the figurine according to the embodiment of the present invention. This figurine 1 is a curved surface model representing a so-called hyperbolic paraboloid. As shown in FIG. 1, the figurine 1 has a plurality of first plate members 2 a, 2 b, 2 c, 2 d, 2 e,... That extend in one direction and are orthogonal to the one direction. A plurality of second plate-like members 3a, 3b, 3c, 3d, 3e,.

  Here, the first and second plate-like members 2a, 2b, 2c, 2d, 2e,..., And 3a, 3b, 3c, 3d, 3e,. Provided. The figurine 1 has slits S corresponding to the second plate members 3a, 3b, 3c, 3d, 3e,... In the slits S corresponding to the first plate members 2a, 2b, 2c, 2d, 2e,. By meshing, the second plate members 3a, 3b, 3c, 3d, 3e,... Are inserted into the slits S of the first plate members 2a, 2b, 2c, 2d, 2e,. Combined. In this embodiment, the number of the first and second plate members 2a, 2b, 2c, 2d, 2e,... And 3a, 3b, 3c, 3d, 3e,. Is done.

  In this way, the figurine 1 combines the first and second plate-like members 2a, 2b, 2c, 2d, 2e,... And 3a, 3b, 3c, 3d, 3e,. The lower end surfaces of the second plate-like members 2a, 2b, 2c, 2d, 2e,... And 3a, 3b, 3c, 3d, 3e,... Are parallel to the reference plane such as the xy plane or the reference plane. It is set so as to express a simple surface. Further, the upper end surface is set so as to represent a curved surface shape in a three-dimensional space. More specifically, the width of these first and second plate-like members 2a, 2b, 2c, 2d, 2e,... And 3a, 3b, 3c, 3d, 3e,. Is set according to the curved surface shape. Moreover, 1/2 of this height is set to the length of each slit S.

  As shown in FIG. 3 as viewed from above, in this embodiment, the figurine 1 is set to express a curved surface shape with respect to a rectangular area on the reference plane or a rectangular area on a plane parallel to the reference plane. The directions crossing the rectangular region at an angle of 45 degrees are the first and second plate-like members 2a, 2b, 2c, 2d, 2e,... And 3a, 3b, 3c, 3d, 3e,. Set in the extension direction.

  Each of the first and second plate-like members 2a, 2b, 2c, 2d, 2e,..., And 3a, 3b, 3c, 3d, 3e,. As shown in FIG. 2 by partially enlarging the reference symbol A, each slit S is provided with an incision that facilitates deformation of a portion where the slit S is provided. In this embodiment, the cut is formed by a narrow groove M provided at the base of the slit S and extending from the slit S in a direction perpendicular to the slit S.

  4 and 5 are a front view, a plan view, a right side view, a left side view, and a bottom view of the first plate-like member indicated by reference numerals 2a and 2g, respectively. The first plate-like members 2a and 2g shown in FIGS. 4 and 5 can also be grasped as designs. When the first plate-like member is grasped as a design, the name of the article related to the design is a part of the figurine, and the article related to the design is one part of an assembly-type figurine composed of a plurality of articles. is there. And the shape of this article represented by the front view is a shape in which the upper side is set to a curved shape corresponding to the curved surface shape expressed by the figurine 1, and the second plate member which is another part is inserted. The slits S to be formed are provided on the bottom side at a constant pitch and a length that is ½ of the height of each part, and a narrow groove M is provided at the base of each slit S. The right side view and the left side view are represented by a rectangular shape having a width corresponding to the plate thickness of the metal plate material of the first plate-like members 2a and 2g and having a height corresponding to the curved surface shape. Further, the bottom view is represented by a rectangular shape having a height corresponding to the thickness of the metal plate material and allowing the slit S to be seen. The plan view is represented by a rectangular shape having a height corresponding to the plate thickness of the metal plate material. The back view is omitted because it is represented by the front view and the target shape.

  6 and 7 are a front view, a plan view, a right side view, a left side view, and a bottom view of the second plate-like member indicated by reference numerals 3a and 3g, respectively. The second plate-like members 3a and 3g shown in FIG. 6 and FIG. 7 can also be grasped as designs, and the names of the articles related to the designs and the articles related to the designs are the first plate-like members 2a and 2g. Are the same. The shape of the article shown in the front view is a shape in which the upper side is set to a curved shape corresponding to the curved surface shape expressed by the figurine 1, and the first plate member which is another part is inserted. Slits S to be formed are provided on the upper side with a constant pitch and a length that is ½ of the height of each part, and a narrow groove M is provided at the base of each slit S. The right side view and the left side view are represented by a rectangular shape having a width corresponding to the plate thickness of the metal plate material of the second plate members 3a and 3g and having a height corresponding to the curved surface shape. The bottom view is represented by a rectangular shape having a height corresponding to the thickness of the metal plate. The plan view is represented by a rectangular shape having a height corresponding to the plate thickness of the metal plate material and allowing the slit S to be seen. The back view is omitted because it is represented by the front view and the target shape.

(2) Operation of the embodiment In the above configuration, in this figurine 1, the first plate-like members 2a, 2b, 2c, 2d, 2e,. On the other hand, the second plate-like members 3a, 3b, 3c, 3d, 3e,... Provided with the same slits from above are assembled in a lattice shape, and these first and second plate-like members 2a are assembled. 2b, 2c, 2d, 2e,... And 3a, 3b, 3c, 3d, 3e,... Represent a desired three-dimensional curved surface shape (FIG. 1). Thereby, in this figurine 1, the height of these 1st and 2nd plate-shaped members 2a, 2b, 2c, 2d, 2e,... And 3a, 3b, 3c, 3d, 3e,. Various curved shapes can be expressed by various modifications. This can deepen understanding of various curved surfaces. Moreover, the value as an ornament can be found, and the value as a figurine can be found by this.

  However, it is difficult to store and transport the figurine 1 as it is. Therefore, in this figurine 1 (FIG. 1), the first and second plate-like members 2a, 2b, 2c, 2d, 2e,... And 3a, 3b, 3c, 3d, 3e,. Created with. In addition, the first and second plate-like members 2a, 2b, 2c, 2d, 2e,... And 3a, 3b, 3c, 3d, 3e,. The part provided with the slit S is set easily by this cutting.

  Accordingly, as shown in FIG. 8 in comparison with FIG. 1, in the figurine 1, the first and second plate-like members 2a, 2b, 2c, 2d, 2e,... And 3a, 3b, 3c, 3d, 3e ...... can be stored and transported by being crushed by the stress F so that they overlap. Moreover, it can return to the original shape as needed.

(3) Effects of the Embodiment According to the above configuration, the slits are combined to form a curved surface by combining the plate-like members in a lattice shape, and the slits are provided to facilitate the deformation of the portion provided with the slits. Thus, the portion where the slit is provided can be easily deformed, and the whole can be crushed and stored and transported so that the first and second plate-like members overlap each other. In addition, the first and second plate-like members are made of elastic metal plate material and are provided with this cut, so that they can be crushed, stored, transported, and restored to their original shape as needed. it can. Thereby, a curved surface model convenient for storage and transportation can be provided.

  Further, since the cut is a narrow groove extending from the slit in a direction orthogonal to the slit, a curved surface model convenient for storage and transportation can be provided with a more specific configuration.

(4) Other Embodiments In the above-described embodiment, the specific configuration suitable for the implementation of the present invention has been described in detail. However, the present invention is within a range not departing from the gist of the present invention. The configuration of the above-described embodiment can be variously changed.

  That is, in the above-described embodiment, the case where a slit is provided at the base of the slit by a narrow groove extending in the lateral direction from the slit is described. However, the present invention is not limited to this, and instead of or in addition to this. In addition, one or a plurality of slits may be provided in the middle of the slit. Also, the number of cuts is increased / decreased according to the length of the slit, more specifically, the number of cuts is increased as the length of the slit is increased to avoid local stress concentration and further deformation. It may be easy.

  In the above-described embodiment, the case where the cut shape is a narrow groove has been described. However, the present invention is not limited to this, and the cut shape is a shape that facilitates deformation of the portion where the slit is provided. What is necessary is just to be able to apply various shapes widely. Accordingly, the cut may be a circular shape, a triangular shape, or a rectangular shape.

  In the above-described embodiment, the case where the cuts are provided in both the first and second plate-like members has been described. However, the present invention is not limited to this, and one plate is used when practically sufficient. A cut may be provided only in the shaped member, and a cut may be provided only in some of the slits.

  In the above-described embodiment, the case where both the first and second plate-like members are made of an elastic metal plate material has been described. However, the present invention is not limited to this, and practically sufficient strength and restoration. When the force can be secured, only one of the first and second plate-like members may be a metal plate material having elasticity.

  In the above-described embodiment, the length of the slit is set to ½ of the height, and the slit bases of the first and second plate members are set to collide with each other at the center of each plate member. Although the case has been described, the present invention is not limited to this, and the length of the slit may be set so that the colliding part is biased to either side.

  Furthermore, in the above-described embodiment, the case where the plate-like member is simply inserted and held in the slit has been described. It is also possible to provide a mechanism for preventing the drop-off of the plate-like member by providing the protrusion, cutting and raising. In this case, the corner portion formed by the slit and the narrow groove in FIG.

  Furthermore, in the above-described embodiment, the case where the present invention is applied to a curved model of a hyperbolic paraboloid has been described. However, the present invention is not limited to this, and can be widely applied to curved models of various curved shapes. it can.

DESCRIPTION OF SYMBOLS 1 Figurine 2a-2g 1st plate-shaped member 3a-3g 2nd plate-shaped member S Slit M Fine groove

Claims (2)

A plurality of first plate-like members extending in one direction and a plurality of second plate-like members extending in a direction orthogonal to the one direction are combined in a lattice shape, and the first and second plate-like members are combined. A curved surface model that expresses a curved surface shape in a three-dimensional space by an end face of
The first and second plate-like members are
Slits are provided at a constant pitch, and the slits of the second plate member are meshed with the slits of the first plate member, and the second plate is inserted into the slits of the first plate member. Combined in a lattice by inserting plate members,
At least one of the first and second plate-like members is
Created with an elastic metal plate, the slit is provided with a notch that facilitates deformation of the portion provided with the slit ,
When applying a stress that crushes the whole so that the first and second plate-like members overlap, the portion provided with the slit is deformed and the whole is crushed,
A curved surface model in which the shape crushed by the elasticity of the metal plate material returns to the original shape by removing the stress . The notch is
The curved surface model according to claim 1, wherein the curved surface model is a narrow groove provided at a base of the slit and extending from the slit in a direction orthogonal to the slit.

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