JP6976536B2 - Cover structure for double floors - Google Patents

Description

The present invention relates to a lid structure that opens and closes an opening formed on a double floor so as to be openable and closable.

In the double floor, an opening is formed for pulling out the wire rod wired under the floor to the floor or inserting a plug into an outlet box provided under the floor, and a lid is attached to close the opening.

For example, in Patent Document 1, an outlet box in which a power outlet or the like is arranged is fixed under the floor of a double floor, and an opening formed on the upper surface thereof can be opened and closed by rotating a lid. The configuration is disclosed. In the lid body of Patent Document 1, a flange portion is formed at a position one step lower around the opening, and a finishing material (carpet) is arranged on the flange portion, and the lid is in a state where the opening is closed. Since the upper surface of the lid and the upper surface of the carpet are at substantially the same height, the structure has a so-called barrier free property in which a step that hinders walking or the like is not formed.

Jitsukaihei 7-11828

By the way, although the lid of Patent Document 1 has a structure that can be rotated by approximately 180 ° to open an opening in the absence of a carpet, under actual usage conditions in which a carpet is laid, the lid is around. Rotation is hindered by the placed carpet, and the opening stops halfway when the lid is tilted with respect to the double floor. Therefore, for example, when the operator opens the lid, around it. When working, it is necessary not to step on the lid, which interferes with the work and is not easy to use.

The present invention has been proposed to solve the above problems, and an object of the present invention is to provide a lid structure for a double floor that has both barrier-free performance at the time of closure and ease of use at the time of opening. do.

The first aspect of the present invention is a lid structure in which an opening formed on the upper surface of the double floor is closed by a lid body connected to the double floor by a rotation mechanism so as to be openable and closable. Are two types of rotating shafts formed along a direction penetrating the lid in a side view of the lid to enable the lid to rotate, and a connecting member for connecting the two types of rotating shafts to each other. The connecting member is rotatably connected to the double floor by one of the two types of rotating shafts and to the lid by the other of the two types of rotating shafts. It is rotatably connected, and is characterized in that the distance between the two types of rotating shafts is substantially constant when the lid is opened and closed.

The front Kifutatai is in a plan view in a state of closing the year opening, based on the circumference of the lid, the two kinds of the one rotary shaft which is connected to the raised floor of the rotary shaft is the that it has formed outside the other rotating shaft connected to the lid is desired.

The front in the closed state of Kifutatai, the two axes of rotation being disposed at substantially the same height as viewed from the side of the lid is desired.

The front Symbol coupling member have a function to close the opening, it is desirable to close the opening with pre Kifutatai.

Further, it is desirable that the double floor includes a pedestal on which the opening is formed, and one of the two types of rotating shafts is connected to the pedestal.

Further, in the fifth aspect of the present invention, an opening formed on the upper surface of the double floor is opened and closed by a lid body connected to the double floor used by arranging a finishing material on the surface via an opening / closing mechanism. It is a lid structure that can be closed so that the upper surface of the lid is arranged parallel to or substantially parallel to the upper surface of the finishing material in a state where the opening is closed, and the lid is opened in a state where the opening is opened. When the lid body is pressed downward by its own weight, the upper surface of the lid body is arranged parallel to or substantially parallel to the upper surface of the finishing material.

As described above, in the state where the opening is closed, the upper surface of the double floor lid of the present invention is arranged parallel to or substantially parallel to the upper surface of the finishing material such as a carpet. On the other hand, the lid does not tilt significantly and walking by pedestrians is unlikely to be hindered. On the other hand, when the opening is open, the upper surface of the lid is arranged parallel to or substantially parallel to the upper surface of the finishing material such as a carpet when the lid is pressed downward by its own weight. Therefore, there is no problem even if the worker steps on the lid, and the work is less likely to be disturbed and the usability is improved. That is, it is possible to achieve both barrier-free performance when closed and ease of use when opened.

Further, in a state where the opening is closed, in a state where the opening is closed, the upper surface of the lid is arranged at a position substantially the same height as the upper surface of the finishing material, or at a position equal to or lower than the upper surface of the finishing material. It is desirable that a part of the opening / closing mechanism moves upward when the opening / closing mechanism is opened.

According to the above configuration, when the opening is closed, the upper surface of the lid does not protrude significantly above the upper surface of the finishing material, so that the barrier-free performance at the time of closing is improved by that amount.

Further, the opening / closing mechanism is a rotation mechanism, and when the lid is pressed downward by its own weight or when the lid is pressed downward in a state where the opening is opened, the upper surface of the lid becomes the upper surface of the finishing material. It is desirable to abut against.

According to the above configuration, the lid can be opened by a simple operation of rotation, and even if the lid is stepped on by an operator after opening, the risk of damaging the upper surface of the lid is low. can do.

Further, it is desirable that the rotation mechanism has at least two rotating portions and a connecting member for connecting the two rotating portions to each other. In particular, in a plan view, the other rotating portion for moving one of the two rotating portions upward is the rotation of the one with respect to the circumference of the lid with the opening closed. It is more desirable that it is formed inside the portion.

According to the above configuration, the lid can be opened and closed only by a simple operation of rotation. In particular, even when the upper surface of the lid is arranged flush with or less than the upper surface of the finishing material at the time of closing, even if the operation of lifting the lid upward is not added, only the rotation operation is performed. The lid can be opened, making it easy to use.

Further, the lid structure is such that the opening formed on the upper surface of the double floor can be opened and closed by a lid body in which a finishing material is arranged on the surface and connected to the double floor used via a rotation mechanism. In the state where the opening is closed, the upper surface of the lid is arranged at the same height as the upper surface of the finishing material, and when the opening is opened, a part of the rotating mechanism is part of the finishing material. It is characterized in that the upper surface of the lid is in contact with the upper surface of the finishing material in a state where the lid is moved upward from the upper surface of the lid and the opening is opened.

As described above, in the double-floor lid of the present invention, when the opening is closed, the upper surface of the lid does not protrude significantly above the upper surface of the finishing material. When the opening is open, the opening does not stop when the material is tilted with respect to the finishing material. For example, the operator should work around the lid with the lid open. In such a case, the lid does not interfere with the work and is easy to use. That is, it is possible to achieve both barrier-free performance when closed and ease of use when opened.

Further, it is a lid that can open and close the opening formed on the upper surface of the double floor by a lid that is connected to the double floor used by arranging a finishing material on the surface via a rotation mechanism. In the state where the opening is closed, the upper surface of the lid is arranged at a position substantially the same height as the upper surface of the finishing material or at a position equal to or less than the same height, and the rotation mechanism has two rotation axes. It has a connecting member that connects the two rotating shafts to each other, and the distance between the two rotating shafts is set to be about the same as the thickness of the finishing material or larger than the thickness of the finishing material. It is characterized in that, in a plan view, of the two rotation axes, the rotation axis for moving the lid upward is formed inside the other rotation axis.
As a result, when the opening is closed, the upper surface of the lid does not protrude significantly above the upper surface of the finishing material, so that walking or the like is less likely to be hindered when the opening is closed. Since the lid moves upward due to the rotation axis, when the lid is pressed downward by its own weight, its upper surface is arranged parallel to or substantially parallel to the upper surface of the finishing material such as cappet. Therefore, there is no problem even if the worker steps on the lid, and the work is less likely to be disturbed and the usability is improved. That is, it is possible to achieve both barrier-free performance when closed and ease of use when opened.

Further, the lid structure is such that the opening formed on the upper surface of the double floor can be opened and closed by a lid body in which a finishing material is arranged on the surface and connected to the double floor used via a rotation mechanism. In the state where the opening is closed, the upper part of the rotation mechanism is arranged at a position substantially the same height as the upper surface of the finishing material or at a position equal to or less than the same height, and the lid is opened. When the lid body is pressed downward by its own weight or when the lid body is pressed downward, the upper portion of the lid body comes into contact with the upper surface of the finishing material.
As a result, when the opening is closed, the rotation mechanism does not protrude significantly upward from the finishing material such as a carpet, and when the opening is open, the lid is pressed downward by its own weight. Then, since the upper portion thereof is in contact with the upper surface of the finishing material such as a carpet, there is no problem even if the operator steps on the lid. That is, it is possible to achieve both barrier-free performance when closed and ease of use when opened.

According to the present invention, in the lid structure for a double floor, both barrier-free performance at the time of closing and ease of use at the time of opening can be achieved.

It is a perspective view for demonstrating the lid structure of 1st Embodiment of this invention. It is a schematic diagram for demonstrating the state which the lid body is closed in the lid structure of 1st Embodiment of this invention, (a) is the schematic diagram which showed the plane, (b) showed the front. It is a schematic diagram, and (c) is a schematic diagram showing a side surface. It is a schematic diagram for demonstrating the state which the lid body opens in the lid structure of 1st Embodiment of this invention, (a) is the schematic diagram which showed the plane, (b) showed the front. It is a schematic diagram, and (c) is a schematic diagram showing a side surface. It is a schematic diagram for demonstrating the state which the lid body is open in the lid structure of 1st Embodiment of this invention, (a) is the schematic diagram which showed the plane, (b) is the schematic diagram which showed the front. (C) is a schematic view showing a side surface. It is a schematic diagram which showed the lid structure of the 1st modification of this invention. It is a schematic diagram for demonstrating the state which the lid body is closed in the lid structure of the 2nd modification of this invention, (a) is the schematic diagram which showed the plane, (b) showed the front. It is a schematic diagram, and (c) is a schematic diagram showing a side surface. It is a schematic diagram for demonstrating the state which the lid body is open in the lid structure of the 2nd modification of this invention, (a) is a schematic diagram which showed a plane, (b) is a schematic diagram which showed the front. (C) is a schematic view showing a side surface. It is a schematic diagram for demonstrating the state which the lid body is closed in the lid structure of the 3rd modification of this invention, (a) is the schematic diagram which showed the plane, (b) showed the front. It is a schematic diagram, and (c) is a schematic diagram showing a side surface. It is a schematic diagram for demonstrating the state which the lid body is open in the lid structure of the 3rd modification of this invention, (a) is a schematic diagram which showed a plane, (b) is a schematic diagram which showed the front surface. (C) is a schematic view showing a side surface. It is a schematic diagram for demonstrating the state which the lid body is closed in the lid structure of the 4th modification of this invention, (a) is the schematic diagram which showed the plane, (b) showed the front. It is a schematic diagram, and (c) is a schematic diagram showing a side surface. It is a schematic diagram for demonstrating the state which the lid body is open in the lid structure of the 4th modification of this invention, (a) is a schematic diagram which showed a plane, (b) is a schematic diagram which showed the front surface. (C) is a schematic view showing a side surface. It is a schematic diagram for demonstrating the state which the lid body is closed in the lid structure of 2nd Embodiment of this invention, (a) is the schematic diagram which showed the plane, (b) showed the front. It is a schematic diagram, and (c) is a schematic diagram showing a side surface. It is a schematic diagram for demonstrating the state which the lid body is open in the lid structure of 2nd Embodiment of this invention, (a) is a schematic diagram which showed a plane, (b) is a schematic diagram which showed the front. (C) is a schematic view showing a side surface.

Hereinafter, the lid structure for the double floor according to the embodiment of the present invention will be described with reference to the drawings. The lid structure for the double floor of the present invention is not limited to the following embodiments and modifications thereof.

<< First Embodiment >>
The lid structure for the double floor of the first embodiment according to the present invention will be described with reference to FIGS. 1 to 4.

As shown in FIG. 1, in the lid structure 1 for the double floor of the first embodiment, the lid 10 is mounted on the floor surface of the double floor 20 and the opening 30 provided in the double floor 20 is provided. It closes so that it can be opened, and by opening the lid 10 as needed, the inside of the double floor 20 can be accessed through the opening 30. Further, a carpet 40 (finishing material) is laid on the floor surface of the double floor 20.

The double floor 20 can be selected from various structures, but in the first embodiment, for example, a plurality of resin-made support legs 21 and a plurality of resin support legs 21 arranged on the support legs 21 and supported from below by the support legs 21. It has a plurality of panels 22 made of steel plates in a rectangular shape.

For example, a part of the panel 22 is formed as a large panel 23 (in this case, two panels 22), and a pedestal 50 to which the lid 10 is attached is integrally fitted therein. The above-mentioned opening 30 is formed in the pedestal 50.

The lid 10 is connected to the pedestal 50 via a rotation mechanism (opening / closing mechanism) described later, and when the opening 30 is closed, the upper surface of the lid 10 is parallel to or substantially parallel to the upper surface of the carpet 40. Be placed. On the other hand, in the state where the opening 30 is opened, the entire lid 10 is rotated and turned upside down by the rotation mechanism, and naturally (that is, for example, after the operator opens the opening 30, the hand is moved from the lid 10). The upper surface of the lid 10 is arranged parallel to or substantially parallel to the upper surface of the carpet 40 (due to the weight of the lid 10 when released).

As a result, in the lid structure 1 of the first embodiment, when the opening 30 is closed, the upper surface of the lid 10 is arranged parallel to or substantially parallel to the upper surface of the carpet 40, so that walking or the like can be performed by that amount. It is less likely to interfere. On the other hand, when the opening 30 is opened, the lid structure 1 is opened until the upper surface of the lid 10 is parallel to or substantially parallel to the upper surface of the carpet 40. Even in the case of work, there is no problem even if the worker steps on the lid 10, so that it does not interfere with the work and is easy to use. That is, the lid 10 of the first embodiment can achieve both barrier-free performance when closed and ease of use when opened.
The lid structure 1 of the first embodiment has a structure including a lid body 10, a rotation mechanism (opening / closing mechanism), and a pedestal 50.

Hereinafter, the detailed configuration of the lid structure 1 will be further described with reference to FIGS. 1 to 4.

First, the lid body 10 includes a substantially rectangular flat plate-shaped lid main body 11 in a plan view, and the upper surface of the flat plate-shaped lid main body 11 is the lid upper surface 11a and the lower surface is the lid lower surface 11b. Further, the lid main body 11 has four sides, side surface portions 11e and 11e connecting the front side portion 11c, the back side portion 11d on the opposite side of the front side portion 11c, and the front side portion 11c and the back side portion 11d. The back side portion 11d is cut into a substantially U shape in a plan view, whereby the lid recess 12 is formed.

Further, on the back side portions 11d on both sides of the lid recess 12 of the lid main body 11, a substantially columnar lid side shaft portion 13 is integrally provided so that the thickness of the lid main body 11 is increased toward the lid lower surface 11b side. ing. That is, the lid body 10 has the lid main body 11 and the lid side shaft portion 13.

The pedestal 50 includes a flat plate-shaped pedestal body 51 that is substantially rectangular in a plan view, and the upper surface of the flat plate-shaped pedestal body 51 is the pedestal upper surface 51a, the lower surface is the pedestal lower surface 51b, and the pedestal upper surface 51a. A substantially rectangular opening 30 is formed so as to penetrate the lower surface 51b of the pedestal. Further, the four sides of the pedestal body 51 are the front side portion 51c, the back side portion 51d on the opposite side of the front side portion 51c, and the side surface portions 51e and 51e connecting the front side portion 51c and the back side portion 11d. It has become.

On the pedestal upper surface 51a side of the pedestal body 51, of the edge portions surrounding the opening 30, the front side portion 51c side portion and the both side surface side portions 51e / 51e side portions are projected upward as convex portions 52. The sum of the protruding height of the convex portion 52 and the thickness of the lid main body 11 of the lid 10 is about the same as the thickness of the carpet 40 (including one that is several mm higher than the thickness of the carpet 40). ) Or lower.

On the other hand, of the edge portion surrounding the opening 30, the pedestal side shaft portion 53 is projected upward at the portion on the back side side portion 51d side, and the protruding height of the pedestal side shaft portion 53 is increased. The height is set to be about the same as the thickness of the carpet 40 (including ones several mm higher than the thickness of the carpet 40) or less. The pedestal side shaft portion 53 is adapted to fit in the lid recess 12 when the lid 10 closes the opening 30.

In addition to this, the lid structure 1 is provided with a pair of connecting members 60 for connecting the lid side shaft portion 13 of the lid body 10 and the pedestal side shaft portion 53. The connecting member 60 has, for example, a structure in which two shafts are connected in a substantially Z shape (crank shape), and one shaft (first rotating shaft 61) is a shaft hole of the lid side shaft portion 13. It is inserted through 13a (FIG. 1), and the other (other) shaft (second rotating shaft 62) is inserted through the shaft hole 53a (FIG. 1) of the pedestal side shaft portion 53 to cover the pedestal 50. The bodies 10 are connected in a rotatable state. As a result, the lid 10 can be attached to the double floor 20 so that the opening 30 can be opened and closed. That is, the lid structure 1 has a lid body 10, a connecting member 60, and a pedestal 50. The opening / closing mechanism (rotation mechanism) in the lid structure 1 is a lid-side shaft portion 13, a pedestal-side shaft portion 53, and a connecting member 60, and the first rotation shaft 61 and the lid-side shaft portion 13 are one rotating portion (rotating portion). The first rotating portion) is formed, and the second rotating shaft 62 and the pedestal side shaft portion 53 form another rotating portion (second rotating portion), and these two rotating portions are connected by a connecting member 60. It has a structure like that.

Next, an example of the operation of opening the lid 10 will be described with reference to FIGS. 1 and 2 to 4 described above. In order to give priority to comprehensibility, the carpet 40 is shown only in FIGS. 1, 2 (c), 3 (c), and 4 (c), and is omitted in the other drawings. Not to be.

First, when the operator lifts the front side portion 11c of the lid 10 upward with a finger or a tool in the closed state of the lid 10 as shown in FIG. 2, the operator refers to the first rotation shaft 61 of the connecting member 60. The shaft hole 13a of the lid side shaft portion 13 rotates, and as a result, the entire lid 10 rotates upward to open the opening 30 as shown in FIG.

After that, when the operator further rotates the lid 10 in the opening direction from the state shown in FIG. 3, the upper surface 11a of the lid of the lid main body 11 comes into contact with the edge of the carpet 40. Then, when the lid 10 is further rotated in the opening direction with the lid upper surface 11a in contact with the carpet 40, the second rotating shaft 62 of the connecting member 60 is directed to the shaft hole 53a of the pedestal side shaft portion 53. By rotating the connecting member 60, the first rotating shaft 61 of the connecting member 60 moves upward.

Here, in the case of the first embodiment, the distance between the first rotating shaft 61 and the second rotating shaft 62 of the connecting member 60 is set to be equal to or larger than the thickness of the carpet 40. Therefore, the first rotation shaft 61 moves to a position substantially the same as or higher than the upper surface of the carpet 40. That is, the lid 10 moves to a position substantially the same as or higher than the upper surface of the carpet 40 as it rotates in the opening direction. Then, as shown in FIG. 4, the lid 10 is entirely rotated and turned upside down, and the lid upper surface 11a of the lid 10 comes into contact with the upper surface of the carpet 40 by its own weight.

In this way, when the opening 30 of the lid 10 is opened, the lid upper surface 11a is arranged parallel to or substantially parallel to the upper surface of the carpet 40. The lid 10 can close the opening 30 by the reverse operation of the opening. The opening operation of the lid 10 shown in FIGS. 2 to 4 is only an example, and other opening operations are possible to the extent possible.

As a result, since the upper surface of the lid 10 of the first embodiment is arranged parallel to or substantially parallel to the upper surface of the carpet 40 in a state where the opening 30 is closed, the lid 10 has a lid with respect to the carpet 40. The body 10 does not tilt, and walking and the like are less likely to be hindered by that amount. On the other hand, in the state where the opening 30 is opened, the upper surface 11a of the lid is arranged parallel to or substantially parallel to the upper surface of the carpet 40 due to the weight of the lid 10, so that the operator can open the lid 10. Not only is there no problem even if you step on it, but you also reduce the need to be careful not to hit the lid 10, which makes it less likely to interfere with your work and improves usability. That is, it is possible to achieve both barrier-free performance when closed and ease of use when opened.

Further, in the lid body 10 of the first embodiment, when the opening 30 is closed, the upper end of the lid upper surface 11a of the lid body 10 and the upper end of the lid side shaft portion 13 do not protrude above the upper surface of the carpet 40. The barrier free performance at the time of blockage is improved accordingly.

Further, the lid 10 of the first embodiment employs a rotation mechanism having two rotating portions (rotating shafts) as an opening / closing mechanism, and the lid upper surface 11a of the lid 10 is in a state where the lid 10 is open. Since it comes into contact with the upper surface of the carpet 40 by its own weight, the lid can be opened by a simple operation of rotation, which is convenient. Further, since the opening is difficult to be locked (stopped) when the lid 10 is tilted with respect to the carpet 40 at the time of opening, for example, when the operator works around the lid 10 with the lid 10 open. In addition, the lid 10 does not easily interfere with the work. Further, for example, even if the opened lid 10 is stepped on by an operator, the lid upper surface 11a of the lid 10 is in contact with the carpet 40, that is, is protected by the carpet 40. Therefore, the risk of damage to the upper surface 11a of the lid can be reduced, and it is easy to use in these respects as well.

<< Modification example of the first embodiment >>
In the first embodiment described above, the case where the finishing material is the carpet 40 has been described, but the present invention is not limited to this, and the upper surface of the double floor 20 such as vinyl tiles and flooring boards is not limited to this. It is not particularly limited as long as it can be arranged in, and includes a wide variety of configurations.

Further, in the above-mentioned first embodiment, the case where the pedestal 50 is fitted into the panel 23 has been described, but the present invention is not limited to this, and for example, an opening 30 is directly formed in the panel 23 and a lid is formed therein. 10 may be connected so as to be openable and closable. In short, in the lid structure 1, the connecting structure of the lid 10 to the double floor 20 is not particularly limited and includes various configurations widely.

Further, in the above-mentioned first embodiment, a case where a square steel plate panel 22 or a panel 23 is arranged on a resin support leg 21 as a double floor 20 has been described, but the present invention has been described. Not limited to this, the support legs 21 may be made of other materials such as metal, may be height-adjustable by bolts, or may be a support mat made of concrete. Further, the panel 22 and the panel 23 are those using a package board, those having a wood core sandwiched between steel plates, those made of concrete, those having a lattice shape, those having a hollow shape, and those having a hollow shape inside. Various double floors 20 can be used, such as those filled with mortar and the like, those with integrated support legs and the whole molded with resin, and the like.

Further, in the above-mentioned first embodiment, the case where the upper portion of the lid body 11 of the lid body 10 is formed as a surface (cover upper surface 11a) is described, but this is not only a flat surface but also a gentle curved surface. Further, even if there are irregularities such as decorations and joints of structures, if they are configured in a planar shape as a whole, they are treated as a surface. Further, when it is permissible to form a step between the cappet 40 and the cappet 40, a certain amount of large unevenness may be formed on the upper portion of the lid 10. In this case, for example, in the lid body 10, if the upper surface surface 11a of the lid other than the front side portion 11c side of the lid body 11 is formed by being slightly recessed, the lid body is formed even if the lid structure is such that the rotation axis does not move upward when the lid body 11 is opened. The upper part of the cappet 40 can be opened until it comes into contact with the upper surface of the carpet 40, and the same effect as described above can be obtained.

Further, in the above-mentioned first embodiment, the convex portion 52 is formed on the pedestal 50, and the total of the protrusion height of the convex portion 52 and the thickness of the lid main body 11 of the lid 10 is the thickness of the carpet 40. However, the present invention is not limited to this, and the present invention is not limited to this. The structure may not form 52, and in that case, the thickness of the lid body 11 is about the same as the thickness of the carpet 40 (including one that is several mm higher than the thickness of the carpet 40), or it. You can set it to the following height. If it is permissible to form a step with the carpet 40, the sum of the protruding height of the convex portion 52 and the thickness of the lid main body 11 of the lid 10 (or the lid main body). 11) may be thicker than the carpet 40. That is, the lid upper surface 11a of the lid 10 is at a position substantially the same height as the upper surface of the carpet 40 (including the case where it protrudes from the upper surface of the carpet 40 by about several mm) or at the same height when the lid 10 is closed. It is desirable to arrange it at the following position, but if it is permissible to form a step with the carpet 40, it may protrude within the permissible range. This also applies to the relationship between the upper portion of the pedestal side shaft portion 53 and the upper surface of the carpet 40.

Further, in the above-mentioned first embodiment, in the state where the opening 30 is opened, the entire lid 10 is rotated and turned upside down by the rotation mechanism, and the upper surface 11a of the lid is carved by the weight of the lid 10. Although the case where the lid 40 is arranged parallel to or substantially parallel to the upper surface of the pet 40 (more specifically, the upper surface 11a of the lid 10 of the lid 10 abuts against the upper surface of the carpet 40) has been described. The invention is not limited to this. In the open state, the lid 10 is locked to the carpet 40 and stops in a state of being tilted to some extent, and the lid 10 in the tilted state is subjected to a predetermined force downward (toward the carpet 40). For example, when pressed by an operator or a force equivalent to the treading pressure of a pedestrian, the upper surface of the lid 10 is arranged parallel to or substantially parallel to the upper surface of the carpet 40 (more specifically). , The upper surface 11a of the lid of the lid 10 may come into contact with the upper surface of the carpet 40). Even with such a configuration, the same effect as described above can be obtained.

Further, in the above-mentioned first embodiment, as the connecting member, the connecting member 60 (FIGS. 1 to 4) in which the first rotating shaft 61 and the second rotating shaft 62 are connected in a substantially Z shape (crank shape). ) Has been described, but the present invention is not limited to this, and various sizes and shapes can be selected. For example, as a first modification, the connecting member 160 of the lid structure 101 shown in FIG. 5 is used. In addition to connecting the lid side shaft portion 13 and the pedestal side shaft portion 53, the structure is such that the lid body 11 is arranged at the same height or substantially the same height as the lid body 10 and also functions as the lid body 10. However, the same effect as that of the first embodiment described above can be obtained.

Further, in the case of the connecting member 160 of the lid structure 101 of the first modification of FIG. 5, the relationship between the sex of the shaft and the shaft hole may be reversed, that is, the shaft hole corresponding to the shaft hole 13a and the shaft hole 53a is formed. Each of them is formed on the connecting member 160 side, and the shaft corresponding to the first rotating shaft 61 is projected from the lid side shaft portion 13 side, and the shaft corresponding to the second rotating shaft 62 is projected from the pedestal side shaft portion 53 side. May be inserted into the shaft hole formed in the connecting member 160, and even with such a configuration, the same effect as that of the above-described first embodiment can be obtained.

Further, in the above-described first embodiment and the first modification, the second rotation shaft 62 is inside the first rotation shaft 61 with reference to the circumference of the lid 10 in a state where the opening 30 is closed in a plan view. However, the present invention is not limited to this, and the second rotation shaft 62 is the second rotation shaft 62 in a plan view, for example, as in the lid structure 102 of the second modification shown in FIGS. 6 and 7. It may be formed outside the one rotation shaft 61, and even with such a lid structure 102, the lid structure 101 of the first embodiment and the lid structure 101 of the first modification may be formed. The rotation of the two rotation shafts 62 causes the first rotation shaft 61 to move upward, and the lid 10 can be opened (FIG. 7).

Further, in the opening / closing mechanism (rotating mechanism) of the first embodiment and the first and second modifications described above, the first rotating shaft 61 (first rotating portion) is rotated by the rotational movement of the second rotating shaft 62 (second rotating portion). ) Has been moved upward, but the present invention is not limited to this, and the first rotation shaft 61 is moved by sliding, for example, as in the lid structure 103 of the third modification shown in FIGS. 8 and 9. May be moved upward. In the case of this lid structure 103, the pedestal main body 51 and the pedestal side shaft portion 53 are formed separately in the pedestal 50, and the pillar 54 projecting downward from the bottom surface of the pedestal side shaft portion 53 is the pedestal main body 51. It is inserted to the back side of the pedestal body 51 through the through hole 55 of.

Since the stopper-56 thicker than the pillar 54 is provided at the lower end of the pillar 54, the pedestal side shaft portion 53 is slidably attached to the pedestal main body 51 so as not to be separated. Then, one end of the connecting member 260 made of a rigid wire such as a wire is inserted into the shaft hole 53a of the pedestal side shaft portion 53, and the other end is inserted into the shaft of the lid side shaft portion 13 of the lid body 10. By inserting it into the hole 13a to form a rotation shaft (also referred to as a first rotation shaft for convenience of explanation), the lid 10 is attached to the pedestal side shaft portion 53 so as to be openable and closable. That is, in the opening / closing mechanism (rotation mechanism) in the lid structure 103, the connecting member 260 (first rotating shaft), the lid side shaft portion 13 and the pedestal side shaft portion 53 are formed as one rotating portion, and the rotating portion is upward. An upward moving portion that can be moved upward is formed by a pillar 54, a through hole 55, and a stopper-56. It is desirable that the height of the pillar 54 is such that the rotating portion can be moved to a height higher than the upper surface of the carpet 40.

Even with such a lid structure 103, since the first rotating shaft 61 (rotating portion) can be moved upward by sliding the pillar 54 and the through hole 55, the first embodiment and the first and second modifications described above are modified. It is possible to open the lid 10 in the same manner as the opening / closing mechanism (rotation mechanism) of the above (FIG. 9).

Further, in the above-mentioned third modification, the case where the connecting member 260 (first rotation axis) can be moved upward by sliding the pillar 54 and the through hole 55 has been described. For example, FIGS. 10 and 11 show. As in the lid structure 104 of the fourth modification shown, the first rotation axis may be moved upward by inserting the wire-70 into the through hole 57. In the case of this lid structure 104, one end of the wire-70 is fixed to each of the shaft holes 13a of the pair of lid side shaft portions 13 described above to form a rotating shaft (for convenience of explanation, this is also used as the first rotating shaft). ), And the other end is inserted through the through hole 57 of the pedestal body 51 to the back side of the pedestal body 51. Then, the lid 10 can be opened and closed with respect to the pedestal body 51 by connecting the other ends of the pair of inserted wires-70 and 70 in a state of being pulled by an elastic member 80 made of, for example, a spring material or rubber. It is attached to. That is, in the opening / closing mechanism (rotation mechanism) in the lid structure 104, the lid side shaft portion 13 and the wire-70 are formed as one rotating portion, and the upward moving portion capable of moving the rotating portion upward is the wire-70. And the elastic member 80.

Even with such a lid structure 104, when the elastic member 80 extends and the wire-70 slides with respect to the through hole 57, the first rotation axis (rotating portion) can move upward. The lid 10 can be opened in the same manner as the opening / closing mechanism (rotation mechanism) of the first to third modifications (FIG. 11).
In the case of this lid structure 104, a linear elastic member such as rubber is prepared instead of the wire-70, and one end thereof is fixed to the shaft hole 13a of the lid side shaft portion 13 (first rotating shaft), and the like. The end may be fixed at a position corresponding to the shaft hole 53a of the pedestal side shaft portion 53 (second rotation shaft). Further, for example, a shaft member having elasticity (springiness) is used to connect the shaft hole 13a of the lid side shaft portion 13 and 53a of the pedestal side shaft portion 53 (that is, the connecting portion between the shaft hole 13a and the shaft member). Is the first rotating shaft, and the connecting portion between the shaft hole 53a and the shaft member is the second rotating shaft), and the lid side shaft portion 13 and the pedestal side shaft portion 53 are separated to the extent that the shaft member can be deformed. You may set it to.

Further, in the above-described first embodiment and the first to fourth modifications, the case where the lid 10 is opened and closed by a rotating mechanism having at least one rotating portion as the opening / closing mechanism has been described. Not limited to this, various other configurations are possible. For example, if the lid 10 is divided into a plurality of parts along the front-rear direction (the direction connecting the front side portion 11c and the back side portion 11d) and they are connected by a flexible member (cloth or sheet), the result is A plurality of rotating parts (in this case, the whole may be defined as a large rotating part. However, in any case, since a flexible member is used, a clear rotation axis is not formed) will be formed. The lid 10 can be opened and closed in the same manner as in the second modification described above. Further, for example, in the lid structure 104 of the fourth embodiment, the lid body 10 and the pedestal main body 51 are connected by two wires-70, but this may be only one, and so on. Then, it is also possible to rotate the lid 10 in the horizontal direction with the lid 10 pulled up and move it onto the carpet 40.

In addition to this, for example, as in the lid structure 200 shown in FIGS. 12 and 13, the lid 110 may be opened and closed by an opening / closing mechanism having no rotating portion. Hereinafter, the lid structure 200 will be described as a second embodiment. In the lid structure 200 of the second embodiment of FIGS. 12 and 13, the same components (and corresponding configurations) as those of the first embodiment and the first to fourth modifications described above are designated by the same reference numerals. , The explanation is omitted.

<< Second Embodiment >>
The lid body 110 in the lid structure 200 of the second embodiment is different in that the lid side shaft portion 13 which the lid body 10 of the first embodiment and the first to fourth modifications has is not provided.

In the lid 110, a concave groove 11f is formed from the front side portion 11c to the back side side portion 11d on both side surface side portions 11e of the lid upper surface 11a. Further, in the concave groove 11f, a long hole 11g is formed over substantially the entire length thereof. A connecting member 360 is inserted through the elongated hole 11g.

The connecting member 360 has a head 362 narrower than the width of the concave groove 11f and wider than the width of the long hole 11g at the upper portion of the connecting main body 361 inserted into the long hole 11g, and the head 362 is wide. The height of is set lower than the depth of the concave groove 11f.

In the pedestal 50 of the second embodiment, the convex portion 52 is formed over the entire edge portion surrounding the opening 30 (the front side portion 51c side, the back side portion 51d side, and the portions on both side surface portions 51e and 51e sides). A through hole 58 is formed between the convex portion 52 and the back side side portion 51d and at the position of the pedestal main body 51 corresponding to the elongated hole 11g of the lid 110. Then, the connecting main body 361 of the connecting member 360 described above penetrates to the back side of the pedestal main body 51 through the elongated hole 11g of the lid 110 and the through hole 58 of the pedestal 50.

A stopper-363 thicker than the connecting body 361 is provided at the lower end of the connecting body 361 of the connecting member 360 so that the lid 110 does not separate from the pedestal 50 and along the elongated hole 11g. It is attached so that it can slide. Further, the height of the connecting main body 361 is set so that the lid 110 can be moved to a height higher than the upper surface of the carpet 40, and further, between the head 362 and the pedestal main body 51. Is provided with an elastic member 90 made of a spring material, rubber, or the like so that the connecting main body 361 is inserted therethrough.

As shown in FIG. 12, the upper surface of the lid 110 of the lid structure 200 of the second embodiment is arranged parallel to or substantially parallel to the upper surface of the carpet 40 in a state where the opening 30 is closed. Therefore, the lid 10 does not tilt with respect to the carpet 40 and has a barrier free property.

On the other hand, in the lid body 110 of the lid structure 200 of the second embodiment, when the opening 30 is opened, as shown in FIG. 13, the lid body 110 is lifted upward and slid toward the back side portion 11d. As a result, the upper surface 11a of the lid is arranged parallel to or substantially parallel to the upper surface of the carpet 40, so that there is no problem even if the operator steps on the lid 10, and the lid 10 has no problem. The need to be careful not to collide is also reduced, and it is less likely to interfere with work and is easier to use. That is, it is possible to achieve both barrier-free performance when closed and ease of use when opened.

Further, also in the lid 110 of the second embodiment, when the opening 30 is closed, the upper end of the lid upper surface 11a of the lid 10 and the upper end of the lid side shaft portion 13 do not protrude above the upper surface of the carpet 40. By setting the above, the barrier-free performance at the time of blockage is improved by that amount.

In addition to this, in the lid body 110 of the second embodiment, the lid upper surface 11a of the lid body 110 designed to withstand the treading pressure of a pedestrian or the like in normal use faces upward even when the opening 30 is opened. It will be arranged on the carpet 40 in the state, and even if the lid 110 on the carpet 40 is stepped on by an operator, for example, the lid 110 is not easily damaged.

Further, the lid structure 200 of the second embodiment is adapted to support a portion inside the concave groove 11f of the lid 110 in a plan view from below by a convex portion 52 in a closed state of the opening 30 (a convex portion 52). FIG. 13), whereby the influence of the decrease in the strength of the lid 110 due to the elongated hole 11 g is minimized.

In the above-mentioned first and modified examples thereof, when the lid is opened, the lid moves to a height higher than the upper surface of the finishing material (curpet), and as a result, the cappet is affected by its own weight. The configuration was described mainly for the situation where it is placed on the top, but in actual use, the raised state and thickness of the carpet are not constant, so the lid is above the top surface of the carpet. It is assumed that the lid cannot be moved to a height, in which case the opening of the lid will be stopped at a certain inclination with respect to the carpet. Further, for example, in the case of the fourth modification or the second embodiment, even if the lid is moved to a height higher than the upper surface of the carpet, the elastic member 80 or the elastic member 90 has a strong urging force. If set, the lid may tilt with respect to the carpet. However, even if the lid is tilted at the time of opening, the lid is covered, for example, to the extent that the raising of the carpet is compressed, or to the extent that the force of the elastic member 80 or the elastic member 90 is overcome. By pressing the body downward (toward the carpet), the lid can be opened on the carpet until it becomes petan, and the effects of the above-mentioned first and second embodiments and their modifications can be obtained. It is something that can be done.

Although the lid structures of the first and second embodiments and the modified examples thereof have been described above, the present invention is not limited to this, and each configuration of the embodiments and the modified examples is appropriately configured as long as the present invention can be carried out. A modified form, a form configured by partially extracting each configuration of an embodiment or a modified example, or a form configured by arbitrarily extracting a part or all of each configuration of an embodiment or a modified example and combining them. It also broadly includes the higher-level conceptualization of each configuration of the embodiment and the modified example.

1, 101, 102, 103, 104, 200 ... Closure structure 10, 110 ... Closure 13 ... Lid side shaft portion 13a ... Shaft hole 20 ... Double floor 30 ... Opening 40 ... Carpet 50 ... Pedestal 53 ... Pedestal side Shaft portion 53a ... Shaft hole 60, 160, 260, 360 ... Connecting member 61 ... First rotating shaft 62 ... Second rotating shaft

Claims (5)

It is a lid structure that can open and close the opening formed on the upper surface of the double floor by a lid body connected to the double floor by a rotation mechanism.
The rotation mechanism connects two types of rotation shafts formed along a direction penetrating the lid body in a side view of the lid body to enable the lid body to rotate, and the two types of rotation shafts to each other. Has a connecting member and
The connecting member is rotatably connected to the double floor by one of the two types of rotating shafts and rotatably connected to the lid by the other of the two types of rotating shafts. Has been
A lid structure for a double floor, characterized in that the distance between the two types of rotating shafts is substantially constant when the lid is opened and closed. In a plan view in a state where front Kifutatai are closed the year opening, the reference to the periphery of the lid, the two kinds of one of the rotating shaft the lid is connected to said raised floor of the rotary shaft the lid structure of the double floor according to claim 1 characterized in that it is formed outside the other rotating shaft connected to. In the closed state before Kifutatai, the two axes of rotation of the double floor according to claim 1 or 2, characterized in that substantially are located at the same height as viewed from the side of the lid Cover structure. Before SL coupling member have a function to close the opening, the lid structure for according the double bed to any one of claims 1 to 3 with prior Kifutatai characterized by closing the opening. The double floor includes a pedestal on which the opening is formed.
The lid structure for a double floor according to any one of claims 1 to 4, wherein one of the two types of rotating shafts is connected to the pedestal.

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