JP4923219B2 - Top plate and furniture with top plate - Google Patents

Description

  The present invention relates to a top plate provided with a top plate body made of plywood, and furniture with a top plate including such a top plate.

Conventionally, furniture with a top board provided with a top board made of plywood has been widely known. In such a top plate, warping and twisting may occur in all directions due to a drying process of plywood, moisture absorption and drying during use, and the like. Therefore, conventionally, in order to suppress the occurrence of such warping and twisting, a frame body is attached below the top plate (see, for example, Patent Document 1).
JP 2004-166936 A

  By the way, in order to form a frame like the configuration described in Patent Document 1, a pair of both a horizontal frame member extending in the width direction of the top plate and a vertical frame member extending in the depth direction of the top plate are provided. It is necessary to prepare one by one. Further, a rectangular frame body is formed from these horizontal frame material and vertical frame material, and this frame body is attached or fixed below the top plate, or the horizontal frame material and vertical frame material are respectively positioned below the top plate. A process of attaching or fixing is required. Even in such furniture with a top plate, there is a demand for further reduction in the number of parts and the number of assembly steps.

  The present invention is configured to solve the problems described above.

That is , the top plate according to the present invention is a top plate provided with a plywood top plate main body, and the top plate main body is provided on a plane portion and two opposing side portions of the plane portion to bend the plywood. And a reinforcing flat plate is attached to the back surface of the flat portion of the top plate body.

In such a case, by providing the curl portion, the curl portion functions as a rib, and the top plate is deformed in other directions while preventing the top plate from being deformed to bend the curl portion. the rigidity against the action can be ensured by reinforcement flat plates. That is, it is possible to secure rigidity for the action of deforming the top plate from all directions with a small number of parts, and to reduce the number of assembling steps for such a top plate.

  As an example of the furniture with a top plate having such a top plate, one having a leg portion that continuously hangs from a curled portion of the top plate can be mentioned. With such a configuration, the top plate body and the legs can be formed using the same plywood, and substantially the entire three-dimensional structure can be integrally formed.

  Further, as another example of the furniture with a top plate having the above-described top plate, a pair of gate-shaped legs are provided below the top plate, and the leg is attached to the reinforcing material or the reinforcing flat plate of the top plate. The thing which joined the body is mentioned.

  In particular, the leg body includes a pair of leg struts and a horizontal member that connects between the upper ends of the leg struts and is attached to the lower surface of the top plate, and has a height at a lower end of the horizontal member. By adopting a configuration in which the position is lower than the height position of the lower end of the reinforcing material or the reinforcing flat plate, the reinforcing material or the reinforcing flat plate can be concealed by a horizontal member to adjust the appearance.

According to the configuration of the top plate according to the present invention, by providing a curled portion on the top plate main body made of plywood, the curled portion functions as a rib and prevents the top plate from being deformed to bend the curled portion. , the rigidity against the action of deforming the top plate in the other direction, can be secured by reinforcement flat plates joined to the lower surface of the top plate. That is, it is possible to secure rigidity for the action of deforming the top plate from all directions with a small number of parts, and to reduce the number of assembling steps for such a top plate.

The present invention is used for a table TT which is a furniture with a top plate as shown in FIGS. 6 to 10 described later. Prior to this, the table T which is one reference example related to the present invention is shown in FIGS. Will be described below.

As shown in FIGS. 1 to 4, the table T as a furniture with a top plate according to the present reference example has a top plate 1 and leg portions 2 that stand from the floor while supporting the left and right ends of the top plate 1 from below. It comprises. 1 is an overall perspective view of the table T, FIG. 2 is a front view of the table T, FIG. 3 is a bottom view of the table T, and FIG. 4 is a side view of the table T.

Specifically, the top plate 1 includes a top plate body 3 made of plywood and a reinforcing material 4 attached to the lower surface of the top plate body 3. As shown in FIGS. 1 and 2, the top plate body 3 is formed by bending a plywood at a plane portion 31 and two opposite side portions of the plane portion 31, specifically, left and right end portions. The curled part 32 is formed, and both front and rear side edges are used edges. The curled portion 32 moves downward as it is separated from the flat portion 31, and the lower end, that is, the outer end, is smoothly connected to the upper end of the leg portion 2. Further, the curled portion 32 extends in the depth direction of the top plate 1. On the other hand, the reinforcing member 4 crosses the curled portion 32 as shown in FIG. 3 and a bottom perspective view showing how the reinforcing member 4 is attached to the top plate 1 as shown in FIG. It extends in the direction, specifically, the width direction of the top plate 1 and is joined to the lower surface of the flat portion 31 with an adhesive and a screw. The reinforcing material 4 is in contact with the entire width of the top plate body 3. In this reference example , one reinforcing member 4 is provided on each of two opposing sides, specifically, in the vicinity of both long sides. Only one reinforcing member 4 may be provided at the center in the depth direction, or three or more reinforcing members may be provided.

On the other hand, as shown in FIGS. 1, 2, 4, and 5, the leg portion 2 is formed integrally with the curl portion 32 of the top plate body 3 in the present reference example , as described above. Further, the lower end, that is, the outer end of the curled portion 32 and the upper end of the leg portion 2 are smoothly connected. Further, in this reference example , the left and right leg portions 2 and 2 are connected to each other between the leg main bodies 21 and 21 that are separated from each other in the front-rear direction and rise from the floor, and the upper ends of the leg main bodies 21 and 21. And a connecting portion 22 extending from the lower end of the curled portion 32.

  This table T is formed as follows.

  First, a single plate of a plywood to be the top plate body 3 and the leg portion 2 is bent by the left and right curl portions 32 and 32 and bent by 90 degrees, and a portion between the curl portions 32 and 32 is formed on the top plate body 3. A portion outside the flat portion 31 and curl portions 32 and 32 is referred to as a leg 2. Next, a notch 2x is provided in the intermediate portion in the depth direction of the portion that is the leg 2, and the upper portion of the notch 2x is defined as a connecting portion 22 and the front and rear sides of the notch are defined as leg posts 21 and 21, respectively. The notch 2x is not necessarily provided, and may be a plate-like leg standing from the floor as it is. Then, the lower ends of the leg posts 21 are cut so that the four leg posts 21 are grounded. Then, in a state where both ends of the reinforcing material 4 in the longitudinal direction are engaged with the lower surface of the curled portion 32, the reinforcing material 4 is bonded to the top plate body 3 with an adhesive and further fixed with screws.

  The following is a description of the action applied to the table T formed in this way, and the rigidity against the action applied to each part of the table T due to deformation during drying. First, for the warp and twist that bends the short side of the top plate 1, the curled portions 32 formed on both short sides, that is, both side edges of the top plate body 3, cause the top plate 1 to be warped and twisted. It functions as a rib that regulates deformation. That is, by providing the curled portion 32, the rigidity against such an action is secured. In addition, the rigidity against the warp and twist that bends the long side of the top plate body 3 is a reinforcing material that extends in a direction orthogonal to the extending direction of the curled portions 32, 32, that is, in the long side direction of the top plate body 3. 4 is secured.

Therefore, according to the configuration of the top plate 1 according to this reference example , by providing the curled portions 32, 32 on the left and right side edges of the top plate body 3, one end of the curled portion 32 moves up and down with respect to the other end. The curling portions 32, 32 function as ribs for restricting such an action, and the reinforcing material extending in the depth direction of the top plate 1 can be omitted. That is, it is possible to secure rigidity against the action of deforming the top plate 1 from any direction with a small number of parts, and to reduce the number of assembling steps for the top plate 1.

Further, according to the configuration of the table T according to this reference example , the leg 2 is continuously suspended from the curled portions 32, 32 of the top plate 1, and the top plate body 3 and the leg 2 are made of the same plywood. Therefore, almost the entire table T can be formed integrally.

  The top plate body 3 and the leg portion 2 may be formed as a whole by laminating and bending a set of single plates, and each of the first half and the second half is a single plate. The top plate body 3 and the legs 2 may be formed by laminating and bending and then joining the front half and the rear half.

It will now be described an embodiment of the present invention.

  As shown in FIGS. 6 to 9, the table TT that is a furniture with a top plate according to the present embodiment includes a top plate A <b> 1 having a rectangular shape and a leg A <b> 2 that supports the top plate A <b> 1 from below. . Then, two opposing sides of the top board A1, specifically, the long side is set as the use edge. 6 is an overall perspective view of the table TT, FIG. 7 is a front view of the table TT, FIG. 8 is an xx sectional view in FIG. 7, and FIG. 9 is a yy sectional view in FIG. Each is shown.

  As shown in FIGS. 8 and 9, the top plate A1 includes a top plate main body A3 and a reinforcing flat plate A4 attached to the top plate main body A3 from below. In addition, the bottom perspective view which shows the attachment aspect to top-plate main body A3 of this flat plate A4 for reinforcement is shown in FIG.

  More specifically, as shown in FIG. 6 and FIG. 7, the top plate main body A3 has a flat plate A31 and two opposite side portions of the flat plate A31. And a curled portion 32 formed by curving. The curled portion A32 moves downward as it is separated from the flat surface portion A31. Further, the curled portion A32 extends in the depth direction of the top plate A1. On the other hand, as shown in FIG. 9, the reinforcing flat plate A4 is attached below the flat surface portion A31. In the present embodiment, the reinforcing flat plate A4 is further joined to the lower surface of the flat surface portion A31 with an adhesive and a screw. Further, the reinforcing flat plate A4 is attached over substantially the entire width of the flat portion A31.

  On the other hand, as shown in FIG. 6, FIG. 8, FIG. 9, and FIG. 10, the leg A2 is provided on the long side of the bottom surface in the vicinity of both used edges of the top plate A1, as shown in FIGS. A pair of leg struts A21 that are spaced apart from each other, and a horizontal member A22 that connects between the upper ends of the leg struts A21 and contacts the lower surface of the top plate main body A31. The pipe is bent into a gate shape. The leg A2 is not only attached to the lower surface of the top plate main body A3 but also to the small edge surface of the reinforcing flat plate A4, and is joined to the reinforcing flat plate A4. Specifically, a bracket A23 having a screw insertion hole (not shown) is provided so as to protrude from the horizontal member A21 of the leg A2, and the bracket A23 is attached to the lower surface of the reinforcing flat plate A4. The wood screw is screwed into the reinforcing flat plate A4 while being inserted into the screw insertion hole. Further, as shown in FIG. 9, the height of the horizontal member A22 is set so that the lower end height position of the horizontal member A22 is lower than the lower end height position of the reinforcing flat plate A31. The size (pipe diameter) is made larger than the thickness of the reinforcing flat plate A4. A total of four leg struts A21 are provided with casters A211 at the lower ends. In addition, a connecting member A5 extending in the depth direction is connected between the upper ends of the legs A2.

  The table TT formed in this manner firstly causes the curled portion A32 of the top plate body A3 to function as a rib that regulates the action of one end of the curled portion A32 moving up and down with respect to the other end. The rigidity with respect to such an action is ensured. In addition, when the horizontal member A22 is directly joined to the flat portion A31 of the top plate main body A3, the horizontal member A22 bends following the warp or twist generated in the flat portion A31 of the top plate main body A3. However, in this embodiment, the horizontal plate A22 is joined to the reinforcing flat plate A4, and the reinforcing flat plate A4 in which rigidity against warpage and torsion generated in the flat portion A31 is joined below the flat portion A31. Secured by.

  Therefore, according to the configuration of the top plate A1 according to this embodiment, by providing the curled portions A32 and A32 on the left and right side edges of the top plate main body A3, one end of the curled portion A32 moves up and down with respect to the other end. Since the curling portions A32 and A32 are functioned as ribs for restricting the action, and the reinforcing flat plate A4 is joined to the lower surface of the flat surface portion A31, the top plate A1 from all directions with a small number of parts. The rigidity with respect to the action which deform | transforms can be ensured, and the assembly man-hour of such a top plate A1 can be reduced.

  In addition, a pair of gate-shaped legs A2 are provided below the top board A1, and the leg A2 is joined to the reinforcing flat plate A4 of the top board A1, so that the top It is possible to prevent a problem that the leg body deforms following the deformation of the plate A1 such as warping or twisting.

  The leg A2 includes a pair of leg struts A21 and A21 and a horizontal member A2 that connects between the upper ends of the leg struts A21 and A21 and is attached to the lower surface of the top plate A1. Since the height position of the lower end of the material A22 is below the height position of the lower end of the reinforcing flat plate A4, the reinforcing flat plate A4 can be concealed by the horizontal member A22 and the appearance can be adjusted.

  The present invention is not limited to the embodiment described above.

For example, as another embodiment of the present invention, a configuration in which a reinforcing flat plate is used instead of the reinforcing material in the reference example described above can be considered .

Furthermore, the implementation described above, it is provided respectively at the four corners near the top plate, the manner of providing the four leg erected respectively from the floor with joins the upper portion respectively in reinforcing the flat plate It may be adopted .

  In addition, various modifications can be made without departing from the spirit of the present invention.

The whole perspective view which shows the table which concerns on the reference example relevant to this invention. The front view which shows the table which concerns on the same reference example . The bottom view which shows the table which concerns on the same reference example . The side view which shows the table which concerns on the same reference example . The bottom perspective view which shows the attachment aspect to the top plate of the reinforcing material of the table which concerns on the reference example . The whole perspective view showing the table concerning one embodiment of the present invention. The front view which shows the table which concerns on the same embodiment. Xx sectional drawing in FIG. Yy sectional drawing in FIG. The bottom perspective view which shows the attachment aspect to the top plate of the flat plate for reinforcement of the table which concerns on the same embodiment.

Explanation of symbols

T, TT ... Table 1, A1 ... Top plate 2 ... Leg part A2 ... Leg body 3, A3 ... Top plate body 31, A31 ... Plane part 32, A32 ... Curl part 4 ... Reinforcement material A4 ... Reinforcing flat plate

Claims (4)

A top plate having a top plate body made of plywood, wherein the top plate body includes a plane portion and a curl portion formed by curving the plywood provided at two opposing side portions of the plane portion. A top plate characterized by comprising a reinforcing flat plate attached to the back surface of the flat portion of the top plate body. A furniture with a top plate comprising the top plate according to claim 1 and comprising leg portions that continuously hang from a curled portion of the top plate . A top plate according to claim 1 , wherein a pair of gate-shaped legs are provided below the top board, and the legs are joined to a reinforcing member or a reinforcing flat plate of the top board. furnished top plate, characterized in that is. The leg body includes a pair of leg struts and a horizontal member that connects between the upper ends of the leg struts and is attached to the lower surface of the top plate, and the height position of the lower end of the horizontal member is The furniture with a top plate according to claim 3, wherein the furniture is below a height position of a lower end of the reinforcing material or the reinforcing flat plate.

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