JP6823410B2 - Rigid body with corrugated sheet pore structure and laminated structure - Google Patents

Description

In the present invention, in a rigid body having a structure of holes formed in the corrugated sheet mountain portion of the corrugated sheet layer of the laminated body and a laminated structure in which the holes are fitted, wiring and piping are performed using the holes to ventilate. It relates to a structure that dissipates heat with properties and has a small decrease in strength due to vacancies.

It is a corrugated plate structure laminate composed of plate materials, and there is a technology to use the space of the corrugated plate layer of the laminate as a duct for laying space for electrical wiring and piping.
Since the corrugated sheet layer forms a continuous space in the direction of the ridgeline of the mountain, it is easy to use this direction as a passage, but in order to cross the slope in the direction perpendicular to the ridgeline, a hole is made in the center. It is provided as a passage.

In a laminated body having this duct function, when a hole is made in the corrugated sheet of the corrugated sheet layer and a hole is provided to be used as a passage, the strength of the corrugated sheet layer decreases in inverse proportion to the size of the hole. Therefore, the holes are provided to the minimum necessary. It is possible to create the required space by dividing the corrugated sheet layer and arranging it with a gap, but it is not suitable for applications that require light weight and high strength.

Here, normally, connectors and terminals are connected to the terminal part of wiring and piping, and a duct function wider than the thickness of the electric wire material and piping material is required, and it is necessary to provide a hole with a margin. Since it is difficult to provide holes with sufficient width in the plate layer, it is necessary to pass untreated wires and pipes and perform terminal treatment by post-processing, which requires manual terminal treatment.
It was inefficient.

In addition, when passing through soft wiring or piping, the sharp cut surface of the corrugated sheet layer is damaged, so it is necessary to add a protective function. Further, when replacing these wirings and pipes, it is difficult to disassemble the laminated body, and the entire laminated body is replaced.

Japanese Unexamined Patent Publication No. 06-246855 Japanese Unexamined Patent Publication No. 2001-071401 Japanese Unexamined Patent Publication No. 56-97799

The problem to be solved by the present invention with respect to the current technology is
Wiring and piping are efficiently and freely routed and laid in all parts of the laminated body via the spaces and holes formed in the corrugated sheet structure laminated body, and accompanies the formation of holes in the corrugated sheet layer of the corrugated sheet structure laminated body. Minimizes the decrease in strength, prevents damage due to the sharp cut surface of the corrugated sheet layer when passing wiring and piping through this hole, and even if the corrugated sheet shape and material are difficult to adhere, no adhesive method is required and the core material and surface plate can be used. It means that they are firmly bonded and easily assembled and separated.

According to the present invention, an isosceles trapezoidal hole is provided in a corrugated sheet layer mountain portion of a corrugated sheet structure laminate, and a corrugated sheet structure laminate capable of passing wiring or piping through the hole is formed. The most important feature. By appropriately providing the isosceles trapezoidal holes, it is possible to deal with a plurality of problems.

The pore structure of the corrugated sheet structure laminate of the present invention is
Wiring and piping can be efficiently and freely routed and laid in all parts of the laminated body via the spaces and holes formed in the laminated body, and the decrease in strength due to the formation of holes in the corrugated sheet layer of the laminated body is minimized. It can be limited, and when wiring or piping is passed through this hole, damage due to the sharp cut surface of the corrugated sheet layer can be prevented, and even if the corrugated sheet shape or material is difficult to adhere, no adhesive method is required and the core material and surface plate can be used. It has the advantage that it can be firmly bonded and easily assembled and separated.

It is a perspective view which shows the basic structure of the hole structure of a corrugated sheet. (Example 1) It is a reference figure which shows the example of the existing corrugated sheet pore structure and arrangement. It is explanatory drawing of the basic structure of the corrugated sheet structure laminated body. It is explanatory drawing which showed the name of the corrugated sheet mountain part. It is explanatory drawing of the ridge line hole of a corrugated sheet. It is a developed view which shows the comparison of the hole position and the size of the hole structure of a corrugated sheet. It is explanatory drawing which shows the shape of the folding structure of a corrugated sheet layer. It is explanatory drawing which shows the hole shape and arrangement of the corrugated sheet mountain part. It is explanatory drawing which shows the pore formation condition of the corrugated sheet mountain part. It is explanatory drawing which shows the protection structure of the corrugated sheet hole portion. It is explanatory drawing which shows the double corrugated sheet fitting structure. (Example 2) It is explanatory drawing which shows the Example of the double corrugated sheet structure laminated body. It is explanatory drawing of the folding mountain reverse reinforcement structure of the corrugated sheet hole part. (Example 3) It is explanatory drawing of the claw coupling structure 1 of the double corrugated plate fitting structure. (Example 4) It is explanatory drawing of the claw coupling structure 2 of the double corrugated plate fitting structure. It is explanatory drawing of the basic fitting structure of a fixture. (Example 5) It is explanatory drawing which showed the variation of the fixture. It is explanatory drawing which showed the example of the fixture of the divided structure. It is a drawing substitute photograph and is a photograph of the front view of an Example. (Example 6) It is a drawing substitute photograph, and is a photograph of the left side view of the embodiment. It is a drawing substitute photograph and is a photograph of the right side view of the Example. It is a drawing substitute photograph and is a photograph of the rear view of an Example. It is a drawing substitute photograph and is a photograph of the plan view of an Example. It is a drawing substitute photograph and is a photograph of the bottom view of an Example.

The characteristic feature of this embodiment is that the wiring and piping are efficiently and freely routed and laid in all parts of the laminated body via the holes formed in the corrugated sheet structure laminated body. It is a structure that is simple and maintains strength without impairing the convenience of the corrugated sheet structure laminate.
In addition, it is a laminate consisting of one corrugated sheet in the corrugated sheet layer of the corrugated sheet structure laminate, and has a form in which specific isosceles trapezoidal holes are formed in the corrugated sheet mountain portion and the corrugated sheet of the corrugated sheet structure laminate. It is a laminated body consisting of two corrugated sheets in a layer, and by making the holes in the corrugated sheet mountain part into a specific isosceles trapezoidal shape, the two corrugated sheets are fitted without gaps and the thickness of the corrugated sheet layer is increased. It has a form in which it is firmly integrally formed without being formed, and a form in which a protective function is added and a joint portion is reinforced by combining the formed pores with an auxiliary structure.

The perspective view (a) of FIG. 1 is a perspective view of an embodiment of the apparatus of the present invention, and a hole 10 is formed in the corrugated plate 1.
Is provided. The claw 12 is a claw having a folded structure, and it does not matter whether or not it is present in this example.
The holes in FIG. 1 are provided on both sides of the slope. This structure will be described in sequence.

The perspective view (a) of FIG. 2 is a perspective view showing a pore structure and an arrangement provided in an existing corrugated sheet structure laminate. The holes formed here are mainly a ridge line hole 20 at the ridgeline portion of the corrugated plate 2, a slope hole 22 at the slope portion, and a bottom surface hole 24 at the bottom surface portion.
The shape of the holes is a simple shape such as a circle or a square, and a shape that does not require special equipment for processing is selected, and the optimum shape is often selected depending on the application.

The side view (a) of FIG. 3 is a view explaining the basic structure of the corrugated sheet structure laminate 3, and is a corrugated sheet layer 30 composed of one or more corrugated sheets 32 and one or more tables on the corrugated sheet layer. The laminated body is characterized in that the face plates 34 and 36 are joined together.
The corrugated plate layer 30 is composed of a corrugated plate 32 having a corrugated cross-sectional shape formed by alternately repeating mountain folds and valley folds on a plate-shaped member, and the corrugated plate is also called a core.
Further, the corrugated sheet structure laminate is often used by laminating a plurality of laminates.

The perspective view of FIG. 4 is a perspective view for explaining the corrugated sheet mountain portion.
The corrugated sheet is composed of a plurality of peaks, and holes of the optimum shape are provided as needed.
The mountain spacing of the corrugated sheet is the mountain width + bottom width, and one or more holes are provided depending on the purpose.
In this case, it consists of two peaks and four holes.

FIG. 5A is a front view illustrating the ridgeline hole 5 of the corrugated sheet 4.
This figure is a view of the slope of the corrugated sheet viewed from the front, and when the corrugated sheet is viewed from the side in the first embodiment, an equilegged inverted triangular ridgeline hole 5 as shown in the figure is formed at the ridgeline portion.
In this development view (not shown), the hole shape is hexagonal, but in the corrugated plate provided with the top surface, it is octagonal.

FIG. 6A is a developed view of the corrugated sheet 6 and compares the sizes when hexagonal holes are provided in each of the ridgeline, the slope, and the bottom surface. The corrugated sheet 6 in this figure is composed of two mountains.
A hexagon is the most suitable hole shape to be described in detail later, and here, a hexagonal hole will be described as an example. Here, the hole is a through hole.
First, an isosceles trapezoid 60 is formed on one slope of the mountain as a hole in the ridgeline portion, and a hexagonal hole-shaped ridgeline hexagonal hole 62 is formed on both slopes.
Next, when the slope vacancy 64 is formed, holes are provided on both slopes of the mountain for passing the electric wire pipe. Therefore, considering the deficiency rate of the slope, a maximum vacancy defect width of about 70% of the slope is practical. It is a range, and if the hole is expanded further, the strength will be extremely reduced.
Further, in the bottom hole 66, since it is necessary to separately provide a ridge hole 62 and a slope hole 64 in order to pass an electric wire or a pipe at a right angle to the mountain ridge direction, the bottom hole is not a solution to the problem. ..
Comparing the positions of these three holes, it can be seen that the largest hole can be formed because both slopes of the mountain can be used when the ridgeline hole 62 is provided.

Here, the shape of the corrugated sheet will be described with respect to the symmetrical corrugated sheet layer of the present invention.
(A) to (f) of FIG. 7 are the shapes of the folded structure of the corrugated sheet, and are comparisons of typical shapes. The shape of the waveform is not limited to these.
There are many names for corrugated sheet such as corrugated sheet, folded plate, corrugated sheet, bellows and others, and various fields, uses, structures and materials can be seen.
Here, as a corrugated sheet folding structure, (b) Sanya valley folding, which has relatively strong strength and has both mountain peaks and valley bottoms, will be described as a typical example.

Since the holes provided in the corrugated sheet layer reduce the strength of the corrugated sheet, the holes are limited to the minimum necessary size, but the holes are enlarged rather than the decrease in strength, and the effect is prioritized. In some cases.
In this case, the decrease in strength has been unavoidable so far, and if necessary, a separate reinforcing member has been combined to compensate for the decrease in strength, but the structure is complicated and the manufacturing process is complicated, so the corrugated sheet There was a need for a technique to maintain strength by itself.
As a remedy for this, we examined how to provide holes in the mountainous part of the basic structure of the corrugated sheet layer to minimize the decrease in strength and to provide the maximum holes.

8 (a) to 8 (h) are typical examples of the hole shape and arrangement of the corrugated sheet mountain portion, and are views of the slope of the mountain viewed from the front. Here, the shape of the hole is the shape of the hole when the hole is opened in the developed view.
The conditions to consider when providing holes in the corrugated sheet are
Suitable for thin corrugated sheets, easy to pass electric wires and pipes, and the edges of holes can be strengthened by bending.
It has a structure suitable for joining such as adhesion and welding, and has a shape that is easy to combine with other members, easy to obtain positioning accuracy, and difficult to concentrate stress.
From these conditions, the slope holes (a) to (c) are excluded because it is difficult to pass wiring and piping.
Among the ridgeline vacancies of (d) to (h), (d) and (e) are difficult to use for strengthening by bending the edges, and (f) and (h) are easy to concentrate stress. g) It can be seen that the ridgeline hexagonal hole has the most suitable shape. When this hole is viewed from the front of one slope, it becomes an isosceles trapezoid.

In the explanation of FIG. 6, it is possible to provide a large hole in the ridgeline portion, and in the explanation of FIG. 8, it was found that it is optimal to provide an isosceles trapezoidal hole in the slope of the mountain.
Therefore, we will examine how much the ridgeline vacancies can be expanded without reducing the strength.
Since the strength of a mountain slope is proportional to its cross-sectional coefficient, it is possible to compare the strength when a hole is made by calculating the cross-sectional coefficient according to the shape.
When simply forming holes, the slope of the mountain is considered to be a thin plate piece, and when the strength of the slope of the mountain is calculated, the section modulus sharply decreases in inverse proportion to the square.
Even if the width of the vacant slope is increased to about 70% of the slope, the cross-sectional coefficient is reduced to less than half, which causes a problem in strength.
On the other hand, when the vacancy portion is folded back to form an L-shaped cross section, the vacancy defect width is 30%.
The cross-sectional coefficient is the largest when the remaining vacancy slope width is 70%, and even when the vacancy defect width is 50% and the vacancy slope width is 50%, the cross-section coefficient is the same as that of the original slope height. It was found that the cross-sectional coefficients were about the same, and it was judged that the width of the vacancy defect could be expanded to 50% by providing a folded portion.
Further, even a hole having only a hole without a claw can be similarly strengthened by adhering and combining it with another auxiliary tool.

As a result of examining the optimum hole shape for laying wiring and piping in the corrugated sheet layer of the corrugated sheet structure laminate, two isosceles trapezoids are shown in the development view shown in the arrangement of the ridgeline holes in FIG. It was found that it is most suitable to form a hexagonal hole in which the above-mentioned components are combined to form a corrugated sheet layer as shown in FIG. In FIG. 1, the folding angle of the folding claw is arbitrary depending on the application, and the claw is not always required when combined with another auxiliary tool.
In this way, when the holes are provided in the shape of an isosceles trapezoid so as to cut off the ridgeline, if the conditions for forming the holes in the corrugated sheet mountain portion shown in FIG. 9 are defined, the decrease in strength due to the holes is minimized. The requirement to limit is defined as follows.
∠α and ∠β are strongest at 60 degrees, and an angle of about 30 to 90 degrees is recommended.
The strength is strongest when S1 and S2 are approximately equal isosceles triangles.
The strength is strongest when the isosceles trapezoids in which S2 and S3 are substantially equal.
When the height of h is approximately half the height of H, there is little decrease in strength and the largest pore can be formed across the ridgeline.
These conditions are satisfied when the ridgeline and the bottom surface of the corrugated sheet are parallel, and the hole shape of the deformed corrugated sheet is not limited to these conditions.

When laying soft wiring or piping in the corrugated sheet layer of the corrugated sheet structure laminate, there is a risk of damage to the sharp cut surface of the corrugated sheet holes, and protective measures are required.
FIG. 10 shows a protective structure for the corrugated sheet vacancies, and a rounded protective portion 100 is formed at a portion in contact with the wiring or the pipe 102 as a structure in which each side forming the vacancies 10 is bent.
It is possible to prevent damage and reduce the decrease in strength due to vacancies.

Further, under the pore formation conditions of FIG. 9, ∠α = ∠β, S1 = S2, S3 = S4, H≈2h,
When L1 ≈ L2 is defined, as shown in the double corrugated plate fitting structure of FIG. 11, the corrugated plates provided with holes of the same shape are fitted without gaps in a state of being orthogonal to the ridge line direction, inverted, and opposed to each other. You can see that
Here, it can be seen that two corrugated sheets are combined and formed by being fitted in the thickness direction of the corrugated sheet, and the thickness of the corrugated sheet layer is substantially the same as that of one corrugated sheet.
As a result, compared to one corrugated sheet, by adhering and integrating two corrugated sheets, a rigid body is formed without a surface plate, and the strength is significantly increased by the synergistic effect between the corrugated sheets. The corrugated sheet shape is firmly fixed to form a highly rigid laminated body with no directionality. In the top view of FIG. 11 (b),
The holes 40 formed by fitting the ridgeline holes of the two corrugated sheets are quadrangular.

FIG. 12 is an example of a double corrugated plate structure laminate sandwiched between surface plates and the structure of FIG. 11 as a core. Since the shape of the corrugated sheet is not maintained in the conventional corrugated sheet structure laminate, a positioning mechanism for holding the corrugated sheet at the time of stacking is required. However, if two corrugated sheets are fitted as shown in FIG. 11, the corrugated sheet can be formed. Positioning is not required because the positions are naturally forced by each combination. Therefore, it is possible to manufacture with simple equipment, and it is possible to form a three-dimensional shape only with this core and to impart higher rigidity.
Here, the surface plate 124 may be single-sided or double-sided, and a corrugated plate structure laminate is formed by adhesion.
Further, a square hole for fixing may be provided on the bottom surface and the surface plate of the corrugated plate and fixed with a fixture.
Further, the pitch width between a plurality of holes arranged in one mountain portion of the corrugated sheet is the mountain width + the bottom width, and when the pitch width between the holes is widened, the bottom width is increased by that amount.
FIG. 12 shows a flat plate-shaped laminate, but a curved laminate can be formed by folding the mountain portion between the holes of one corrugated plate and making an angle on the ridgeline of the mountain. Then, the mountain structure of FIG. 11 may be vertically stacked to form a columnar laminate in which all four sides of the long side are covered with a surface plate.

FIG. 13 shows two examples of the folded mountain reversal reinforcement structure of the corrugated sheet vacancies.
With the folded structure of the pores, the pores can be strengthened by folding the bottom of the isosceles trapezoid of the void so as to connect both slopes of the mountain without forming a folded claw.
By inverting the ridges of the vacant holes in FIG. 13 in the opposite direction to disperse the force applied to the vacancy, and further adhering this portion to the surface plate, the inverted folds form a truss structure. It develops high rigidity.
Here, (a) to (d) show the basic configuration of the Oriyama reversal reinforcement structure.
(E) to (h) show a claw-attached folding mountain reversal reinforcing structure in which a function of protecting the bent claw is added to the leg portion of the equilateral inverted trapezoidal hole.

14 (a) to 14 (d) are explanatory views of the claw coupling structure 1 of the double corrugated plate fitting structure.
(A) is a perspective view showing a receiving claw coupling structure, in which two corrugated plates having holes of the same shape are fitted and fixed vertically.
In the side view of (b), a receiving claw 140 is formed on the leg side of the isosceles trapezoidal hole, folded inside the mountain, and a pressing claw 142 is formed on the bottom of the hole in the front view of (c). Then, two corrugated plates having holes of the same structure are made orthogonal to each other in the direction of the ridgeline and faced in reverse, and the presser claws are bent to the outside of the mountain and the receiving claws are pressed and joined. With this structure, the two corrugated sheets can be mechanically joined without using the bonding method.
(D) is a developed view, in which a nail is formed by using a face material inside the hole.

Further, another joining method is possible by changing the fitting method of the claws of the holes.
15 (a) to 15 (d) are explanatory views of the claw coupling structure 2 of the double corrugated plate fitting structure.
(A) is a perspective view showing a receiving claw coupling structure, in which two corrugated plates having holes of the same shape are fitted and fixed vertically.
In the side view of (b), a meshing claw 150 is formed on the leg side of an isobaric inverted trapezoidal hole, bent to the outside of the mountain, and a presser claw 152 is formed on the bottom of the hole in the front view of (c). Then, two corrugated plates having holes of the same structure on the outside of the mountain are inverted and opposed to each other in the direction of the ridgeline, and the holding claws are bent to the outside of the mountain to spread and connect the slope on the opposite side.
With this structure, the two corrugated sheets can be mechanically joined without using the bonding method. (D) is a developed view, in which a nail is formed by using a face material inside the hole.
Here, the meshing claw 150 serves as a glue margin when the adhesive method is used in combination, and can be bonded more firmly.

16 (a) to 16 (d) show the basic fitting structure of the fixture.
(A) In the top view, a quadrangular hole is formed in the center of the fitting portion by fitting two corrugated sheets having holes in the corrugated sheet so as to be orthogonal to each other in the ridge line direction and facing each other.
If the separate plate-shaped fixtures A160 and B162 are inserted into the quadrangular holes and fitted, the two corrugated plates can be firmly joined without using an adhesive.
Further, when combined with the claw coupling method of Examples 3 and 4, the fitting can be made more firmly.

Four examples of fixture variations are shown in FIGS. 17 (a) to 17 (d).
(A) The strip method is the most tightly fitted, but only small holes can be made in the holes.
(B) In the mountain plate method, the mountain portion of the fixture has a truss structure on both sides, so the strength of the hole portion is high.
(C) The trapezoidal plate method has an advantage that a wider space can be taken than the mountain plate method.
(D) The clog-shaped plate method keeps the largest holes and is advantageous for wiring and piping.
This fixture method is also bonded with high strength when used in combination with the adhesive method.
If a square hole is provided on the bottom surface of the surface plate and the corrugated plate, this composition can be used for joining the corrugated plate and the surface plate. Fixtures made of plates are not limited to these four methods.
Further, the fixture may be formed of a wire-like member.

18 (a) to 18 (c) are explanatory views of the fixture of the divided structure, and are used in the same manner as in FIG. 17 (d).
When wiring and piping are laid in advance in the holes of the corrugated sheet, the corrugated sheet is fitted, and the two corrugated sheets are mechanically connected with the auxiliary fixture, the holes in the fixture are closed, so wiring Since it is not possible to pass the wiring and piping, the fixture is divided and the wiring and piping are passed through the holes of the fixture. The method of dividing the fixture is not limited to this method.

19 to 24 are drawing substitute photographs summarizing Examples 1 to 5.
Here, four holes are provided in a corrugated plate composed of two peaks, two corrugated plates of the same shape are orthogonal to each other in the direction of the ridgeline, inverted and opposed to each other, and then machined with a fixture formed of a plate material. It is a rigid body that is tightly coupled.

Industrially, corrugated sheet structures are used in all fields. For example, cardboard,
Honeycomb panels, soundproof panels, mufflers, toys, stationery, furniture, home appliances, batteries,
Antennas, housings, roofs, walls, floors, doors, fences, signboards, bridges, tunnels, lifting devices,
Automobiles, railroads, ships, underwater equipment, aircraft, space equipment, weapons, etc.
Here, as long as it is a portion forming a plate-shaped mountain, the structure of the present invention can be applied to all the portions, not limited to the corrugated plate. In addition, since a three-dimensional object can be formed without an adhesive structure, it can be used without problems even in parts where heat resistance is required, and even materials unsuitable for adhesion can be used, and it can be easily disassembled and has excellent maintainability and recyclability.

1 Corrugated plate 2 Corrugated plate 4 Corrugated plate 10 Holes 40 Holes 12 Claws 20 Ridge holes 22 Slope holes 24 Bottom holes 60 Isosceles trapezoidal 62 Hexagonal ridge holes 64 Hexagonal slope holes 66 Hexagon bottom holes 100 Protective unit 102 Wiring and piping 120 Double corrugated plate laminated structure 124 Surface plate 126 Surface plate

Claims (2)

A corrugated plate formed by bending one plate, a ridge line arranged at a mountain portion of the corrugated plate, a slope arranged in contact with the ridge line, and an inside of the mountain portion separated by a slope tangent to the ridge line. Space and the outer space, and the space inside the mountain part, which is provided with an isobaric inverted trapezoidal hole with the ridgeline as the long side and the top side and the short side and the bottom side arranged in the middle part of the slope. And the outer space is a corrugated plate structure that forms a continuous space through the holes .
A corrugated plate structure characterized in that the legs and bottoms of the holes are provided with claws having a folded structure made of a face material inside the holes.

A corrugated plate formed by bending one plate, a ridge line arranged at a mountain portion of the corrugated plate, a slope arranged in contact with the ridge line, and an inside of the mountain portion separated by a slope tangent to the ridge line. Space and the outer space, and the space inside the mountain part, which is provided with an isobaric inverted trapezoidal hole with the ridgeline as the long side and the top side and the short side and the bottom side arranged in the middle part of the slope. And the outer space is a corrugated plate structure that forms a continuous space through the holes .
The hole where the mountain angle ∠α of the mountain portion and the sandwich angle ∠β of the hole leg are substantially equal, and the slope height h of the hole is approximately 1/2 of the height H of the corrugated sheet. Is provided on both sides of the slope symmetrically with respect to the ridgeline, and corrugated sheets having the same shape are orthogonally opposed to the corrugated sheet having the same shape in the direction of the ridgeline and are integrated by an unlimited joining method. A corrugated sheet structure characterized by forming a rigid body.