JP5719753B2 - Decorative plate laying tool and floor structure - Google Patents

Description

  The present invention relates to a decorative board laying tool and a floor structure in which a decorative board such as a deck material floor panel is laid down on a ground floor surface of a garden, a veranda, a balcony or the like.

  A floor structure in which a decorative board such as a floor panel is horizontally supported by support legs so that a veranda deck can be easily laid is known from Japanese Patent Application Laid-Open No. 8-35316 (Patent Document 1) and the like. . As described in Japanese Patent Laid-Open No. 2000-17723 (Patent Document 2), Japanese Patent Laid-Open No. 2003-301589 (Patent Document 3), and the like in addition to Patent Document 1, this support leg is screwed. By comprising by a shaft, it is comprised so that the support height can be adjusted freely.

  For example, in the floor structures of Patent Documents 1 and 2, a floor plate with a cutout at a corner is assembled from four sides to one place, and the floor plates attached to each other are locked at the positions of the gathered corners. It is the structure which has a support leg screwed together by the stop part and the said latching | locking part. In these floor structures, support legs that are integrated with the locking portions are arranged in advance at positions where each corner is expected to be placed, and the corners of the floor plate are fitted into the locking portions of the support legs. It is assembled by the process of laying floor boards while connecting multiple floor boards. Thereafter, the height of the support leg is adjusted, and the level of the floor board is adjusted so as to be a desired height.

  Moreover, the floor structure of patent document 3 is assembled by arrange | positioning the support structure to which the support leg which can be adjusted to an up-down direction was attached to the lower surface side. Grooves and protrusions extending in the vertical direction are provided on the side surfaces of the support structure, and are connected by fitting adjacent support structures from the vertical direction. Thereafter, the height of the support leg is adjusted, and the level of the floor board is adjusted so as to be a desired height.

  As described above, the floor structure having the support leg for adjusting the height needs to be able to reliably connect the adjacent floor boards in addition to the ease of adjusting the height of the support leg. However, the conventional floor structures disclosed in these patent documents have a problem that it is difficult to adjust the level of the floor surface when the height of the support legs is adjusted after assembling.

JP-A-8-35316 JP 2000-17723 A JP 2003-301589 A

  For example, in the floor structures of Patent Document 1 and Patent Document 2, when the height of one support leg is changed, four floor plates locked to the support leg are inclined obliquely. In order to adjust the floor board to a desired level, for example, horizontally, it was necessary to adjust the height of the remaining three support legs for each floor board. And, since three other floor boards are connected to each of the three support legs adjusted for one floor board that is the target of level adjustment, the level adjustment of one floor board is supported simultaneously. This will affect the inclination of the other three floor boards. When the three floor boards are also taken into consideration, the number of support legs that require adjustment increases cumulatively. As a result, it is very difficult to equalize all floor boards to a desired level, and there is a problem that much time and labor are required to adjust the level of the floor board surface.

  Moreover, in the floor structure of patent document 3, since the support leg is being fixed to one support structure body, since the floor board from which a level changes with the height adjustment of one support leg is one sheet, The problem of adjusting the level of a floorboard that affects the level of other floorboards is mitigated. However, because the adjacent floor boards are connected and detached in the vertical direction, the height of one floor board changes, so that the height of the adjacent floor board shifts easily and becomes a step. There is a problem that it is difficult to securely connect.

  Furthermore, in the floor structure of each of the above patent documents, even if the level is adjusted, the height of the support leg changes due to the loosening of the screws caused by the vibration applied to the floor surface over time. There was also a problem that it was necessary to readjust.

  Therefore, the technical problem to be solved by the present invention is to solve the above-mentioned problems, facilitate the level adjustment of the decorative board, and prevent the level change due to the use over time. To provide a decorative board laying tool and a floor structure capable of reliably connecting floor boards.

  In order to solve the above technical problem, the present invention provides a decorative board laying tool having the following configuration.

According to the first aspect of the present invention, a support leg comprising a screw shaft provided with a male screw on the upper end side, and a non-circular engagement hole provided on the upper surface of the screw shaft;
A rotary tool having a rod-like portion that can be inserted into the engagement hole of the support leg so as to freely advance and retract, and a grip portion provided at an upper end of the rod-like portion;
A support leg fixing hole for supporting the support leg provided with a female screw part that is provided through the thickness direction and screwed with the male screw part of the support leg, and the support leg fixing is provided above the support leg fixing hole. A base body provided with a tool fixing portion provided around the hole and engageable with the rotary tool, and a plate material fixing portion engaging a decorative plate material on the upper surface;
A decorative board laying tool is provided.

According to the second aspect of the present invention, it further includes a connecting mechanism for connecting adjacent base bodies to each other,
The connecting mechanism is provided in the base body so that the height direction is different on the opposite side surface of the base body, and has a connecting portion having a stop member insertion port penetrating in the thickness direction;
A first aspect, comprising: a stopper member inserted into the stopper member insertion port in a state where the stopper member insertion ports of the connecting portions of the adjacent base body portions are arranged so as to overlap in the thickness direction. Provide decorative panel laying tools.

According to the third aspect of the present invention, the tool fixing portion is provided in a slot provided in the periphery of the support leg fixing hole, and a sidewall is formed with an uneven groove extending in the thickness direction of the base body over the entire circumference. ,
The both ends of the gripping portion of the rotary tool inserted into the engagement hole of the support leg from the upper side of the support leg fixing hole can be fitted into the groove of the uneven groove. A decorative board laying tool according to a second aspect is provided.

  According to a fourth aspect of the present invention, the support leg includes a grounding portion that is provided on the lower side of the screw shaft so as to be rotatable with respect to the screw shaft and is in contact with a foundation floor surface. A decorative board laying tool according to any one of the first to third aspects is provided.

According to a fifth aspect of the present invention, the plate material fixing portion is a groove configured such that an engagement portion provided on the decorative plate material engages with the plate material fixing portion,
The decorative plate material includes a boss portion that protrudes downward from the engaging portion,
The said board | plate material fixing | fixed part is provided with the engagement hole engaged with the said boss | hub part in the groove bottom, The decorative board laying tool of any one of the 1st to 4th aspect provided is provided.

According to the sixth aspect of the present invention, the support leg having the male screw provided on the upper end side and the non-circular engagement hole provided on the upper surface has the female screw on the inner surface and penetrates in the thickness direction. A floor structure in which a base body supported so as to be height-adjustable with respect to a base floor surface is arranged by screwing with a leg fixing hole, and a decorative flooring is fixed on the upper surface thereof,
Inserting a rotary tool having a rod-shaped portion that can be inserted into and retracted into the engagement hole and a grip portion provided at the upper end of the rod-shaped portion from the surface side of the base body of the screw shaft of the support leg, The decorative board material is arranged on the upper surface in a state where the gripping part of the rotary tool part is engaged with the tool fixing part provided around the support leg fixing hole above the support leg fixing hole. Provide floor structure.

  According to the 7th aspect of this invention, it arrange | positions so that the stop member insertion port penetrated in the thickness direction of the connection part provided so that a height direction may differ in the side surface which the said adjacent base body opposes may overlap in the thickness direction. In this state, a floor structure according to a sixth aspect is provided, wherein a stop member is inserted into the stop member insertion port to connect the adjacent base bodies adjacent to each other.

  According to the present invention, the rotary tool for adjusting the height of the support leg is configured to be able to advance and retreat with respect to the support leg, and is fixed to a tool fixing portion provided around the support leg fixing hole of the base body. As a result, loosening of the screws of the support legs can be prevented. That is, after adjusting the height of the support leg using the rotary tool, the rotary tool is inserted deeply into the support leg side, and in this state, the rotary tool is fixed to the tool fixing portion provided on the base body. With this configuration, the base body and the support leg are fixed via the rotary tool, and the screw is prevented from loosening due to vibration or the like due to aging.

  According to the second aspect of the present invention, adjacent base bodies can be connected not in the vertical direction but in a direction along the surface of the base body. Therefore, even when the height is adjusted by the support legs, there is no step between adjacent base bodies, and level adjustment can be facilitated. In addition, since it is only necessary to insert a stopper member to connect the base body, it is possible to reduce the labor of construction and to efficiently dispose the base body.

  According to the third aspect of the present invention, since the concave and convex grooves provided on the side walls of the slot are provided in the thickness direction, the gripping portion is engaged with the concave and convex grooves by inserting the rotary tool deeply into the support leg side. Can be made. In addition, since the concave and convex grooves are provided over the entire circumference, they can be fixed to the concave and convex grooves of the slot in any orientation regardless of the direction of the gripping portion of the rotary tool, making the fixing work easy. can do.

It is the schematic which shows the example of the floor structure using the decorative board laying tool concerning embodiment of this invention. It is a figure which shows the state which removed some decorative board | plate materials of the floor structure of FIG. It is a perspective view which shows the structure of the unit unit of the base main body used for the floor structure of FIG. It is a perspective view which shows the structure of the unit unit of the base body of FIG. 3 seen from another angle. It is sectional drawing which shows the attachment structure of a base body, a support leg, and a decorative board material. It is the perspective view which looked at the base | substrate main body in the state which attached the support leg from diagonally lower side. It is a perspective view which shows the structure of a rotary tool and a support leg. It is a partial expansion perspective view which shows the state which accommodated the rotary tool in the base | substrate main body. It is the elements on larger scale which show the structure of the connection mechanism of a base body. It is the elements on larger scale which show the connection mechanism of FIG. 9 in a connection state. It is the elements on larger scale which looked at the decorative board material from the back side. It is the elements on larger scale of a base body.

  Hereinafter, a floor structure using a decorative board laying tool according to an embodiment of the present invention will be described with reference to the drawings.

  As shown in FIGS. 1 and 2, the floor structure 100 in which the decorative board laying tool according to the present embodiment is laid on the foundation floor surface is a foundation floor surface G (FIG. Attached to the upper surface of the base body 1, a plurality of base bodies 1 that are laid side by side on top of each other, a plurality of height-adjustable support legs 2 that support the base body 1 substantially horizontally. The decorative board material 3 is used.

  The base body 1 is formed by injection molding or injection foaming a thermoplastic synthetic resin such as polypropylene, polyethylene, or polyvinyl chloride. In this embodiment, the unit unit is formed by continuously forming unit units by relay molding. A long base body 1 formed by connecting units in the longitudinal direction is formed. In the floor structure of the present embodiment, the base bodies 1 are arranged in the short direction and the adjacent base bodies 1 are connected to each other, the height of the support legs 2 is adjusted, and the decorative board material 3 is attached to the upper surface of the base body 1.

  The decorative board material 3 is obtained by extrusion molding or foam extrusion molding of a thermoplastic synthetic resin such as polyvinyl chloride, polypropylene, polycarbonate, etc. into a rectangular plate shape, and the upper surface of the decorative board material 3 is provided with a wood grain pattern or other patterns. It is desirable to improve aesthetics. Although the size of the decorative board material 3 is not limited, practically, the width is preferably about 15 to 30 cm in accordance with the width dimension of the base board material 1. Further, it is appropriate to set the length dimension to about 30 to 270 cm and the thickness to about 15 mm.

  As shown in FIG. 2 to FIG. 4, the unit unit constituting the base body 1 has a planar shape in which a large number of vertical bars and horizontal grids are orthogonally arranged in two grid-like squares. Have. The base body 1 has a short side length of about 30 cm, a long length of about 60 cm, and a thickness of about 5 cm. Two decorative panel members 3 are attached to one unit of the base body 1 side by side. The vertical beam and the horizontal beam are both formed as a beam having a hollow structure whose back surface is opened, and the weight of the base body 1 is reduced.

  A connection mechanism 11 is provided on the side surface 10 of the base body 1. The connection mechanism 11 is for connecting the base bodies 1 arranged adjacent to each other, and a detailed configuration will be described later.

  A vertical groove 13 and a horizontal groove 14 are provided on the upper surface of the base body 1 as an example of a plate material fixing portion for fixing the decorative board material 3 to the base body 1. The longitudinal groove 13 and the lateral groove 14 provided in one unit of the base body 1 are provided over the entire width in the longitudinal direction and the short side direction of the base body 1, and the vertical groove 13 is the longitudinal length of the relay-formed base body 1. It is formed continuously in the direction. Further, the lateral grooves 14 are continuous with the lateral grooves 14 of the base body 1 which are adjacently connected in the lateral direction (see FIG. 10).

  As shown in FIG. 12, fitting holes 40 are provided in the bottom surfaces of the vertical grooves 13 and the horizontal grooves 14, and a slippage of the decorative board material is prevented by fitting a boss portion 46 of the decorative board material 3 described later. To do.

  As shown in FIG. 5, a pair of left and right leg pieces 44 extending in the longitudinal direction is formed on the back surface of the decorative board material 3. An engaging portion 45 having a claw-shaped cross-sectional shape is formed projecting outward at the lower ends of the pair of left and right leg pieces 44. The engaging portion 45 is inserted into and engaged with the vertical groove 13 or the horizontal groove 14 to fix the decorative board material 3 to the base body 1. In the base body 1, the intervals between the adjacent vertical grooves 13 and the horizontal grooves 14 are configured to be the same size, and the decorative board material 3 can be attached in both the longitudinal direction and the short direction of the base body 1. ing. That is, when the decorative board material 3 is attached along the longitudinal direction of the base body 1, the leg pieces 44 engage with the longitudinal grooves 13, while the decorative board material 3 is attached along the short direction of the base body 1. In that case, the leg piece 44 engages the transverse groove 14.

  Further, as shown in FIG. 11, the leg piece 44 is provided with a boss portion 46 intermittently fitted to the fitting hole 40 provided in the vertical groove 13 and the horizontal groove 14. Since the leg pieces 44 of the decorative board material extend in the position direction, there is a possibility that the leg pieces 44 may move along the vertical grooves 13 or the horizontal grooves 14 of the base body 1. When the boss portion 46 is fitted into the fitting hole 40, the decorative board material is prevented from being displaced.

  As shown in FIGS. 3 and 4, the base body 1 is provided with support leg fixing holes 12 for attaching the support legs 2. The support leg fixing holes 12 are provided at two locations for one unit, and penetrate the base body 1 in the thickness direction. A female screw 15 is provided on the inner peripheral surface of the support leg fixing hole 12. The female screw is engaged with a male screw 16 provided on the upper portion of the support leg 2.

  As shown in FIG. 5, the support leg 2 that supports the base body 1 includes a screw shaft 17 provided with a male screw 16 at an upper portion, an intermediate portion 18 provided below the screw shaft 17, and an intermediate portion 18. And a grounding portion 19 located on the lower end side. FIG. 6 is a perspective view of the base body with the support legs attached as viewed obliquely from below. As shown in FIG. 6, the male screw 16 of the screw shaft 17 of the support leg 2 and the female screw 15 provided on the inner peripheral surface of the support leg fixing hole 12 are screwed together, and the support leg 2 is rotated. The height of the main body 1 can be adjusted.

  As shown in FIG. 5, the rotary tool 4 can be attached to and detached from the screw shaft 17 of the support leg 2 in order to adjust the height of the support leg 2. The rotary tool 4 includes a leg portion 41 having a hexagonal cross section and a grip portion 42 provided at the upper end of the leg portion 41. The leg portion 41 has a cross-sectional shape that can be fitted into the engagement hole 20 provided on the upper surface of the screw shaft 17 of the support leg, and is configured to be able to advance and retreat in the engagement hole 20. In this state, by holding and rotating the grip portion 42, the screw shaft 17 of the support leg 2 is rotated, and the height of the base body 1 and the support leg 2 can be adjusted. Note that the screw shaft 17 and the grounding portion 19 and the intermediate portion 18 are each assembled in a loosely fitted state, and are configured to be relatively rotatable around the shaft, so that the grounding portion 19 is grounded to the foundation floor G. Even in the state, the screw shaft 17 can be smoothly rotated.

  In this embodiment, the screw length of the screw shaft 17 is about 30 mm, and the height can be adjusted to about 25 mm. However, even when the foundation floor G has a step of 25 mm or more, the entire base body 1 can be adjusted to a uniform height by using the intermediate portion 18 having a different length.

  In this embodiment, the engagement hole 20 of the screw shaft 17 is a regular hexagon and has a sufficient depth. The rotating tool 4 can be advanced and retracted into the engagement hole 20 as shown in FIG. 7 by making the insertion width of the leg portion 41 different. Moreover, the latching convex part 43 is provided in the both ends of the holding part 42 so that it may protrude outside.

  Further, around the support leg fixing hole 12 of the base body 1, as an example of a tool fixing portion, a groove hole 22 having an uneven groove 21 formed around is provided. The uneven groove 21 is a groove extending in the depth direction of the slot 22 and is provided over the entire circumference of the slot 22. The concave / convex groove 21 is configured such that the latching convex portion 43 of the grip portion can be engaged. As described above, the rotary tool 4 is provided so as to be able to advance and retreat on the support leg 2 side. Therefore, when the height adjustment is not performed, the rotary tool 4 is pushed down to the support leg 2 side to make the locking projection 43 uneven. The rotary tool 4 can be fixed to the base body 1 by being locked in the groove 21. The number of the concavo-convex grooves 21 is not particularly limited. However, by increasing the number, the angle formed by the adjacent concavo-convex grooves is reduced, so that the angular width of the direction of the fixable rotary tool 4 can be reduced. In this embodiment, 24 uneven grooves 21 are provided.

  Further, the slot 22 is configured to have a slightly larger diameter than the support leg fixing hole 12, and in the present embodiment, is configured to have a shape that is substantially equal to the size of the grip portion 42. Therefore, when the rotary tool 4 is fixed, it is possible to prevent the locking convex portion 43 from hitting the bottom wall 23 of the slot 22 and the gripping portion 42 from falling into the support leg fixing hole 12.

  The rotary tool 4 fixed to the base body 1 is fixed to the base body 1 via the rotary tool 4 because the leg portion 41 is inserted into the engagement hole 20 of the support leg 2, and the screw Occurrence of loosening can be prevented. Therefore, the height of the support leg 2 does not change due to loosening of screws due to aging, and there is no need to re-adjust the level.

  Next, the connecting mechanism 11 that connects the base bodies 1 to each other will be described in detail. As described above, in the base body 1 used in the floor structure of the present embodiment, the connection mechanism 11 is provided on the side surface 10 of the base body 1 and is used to connect the base body 1 in the short direction. However, you may provide the connection mechanism which connects the base body 1 to a longitudinal direction.

  FIG. 9 is a diagram showing the configuration of the base body connecting mechanism. FIG. 10 is a partially enlarged view showing the coupling mechanism of FIG. 9 in the coupled state. The connection mechanism 11 includes connection annular portions 26, 27, and 28 provided with stop member insertion ports 25 that penetrate in the thickness direction of the base body 1. The connecting annular portions 26, 27, and 28 are provided at positions close to the support leg fixing holes 12, and are arranged so that the positions in the height direction are different on two opposing side surfaces. That is, an upper connecting annular portion 26 and a lower connecting annular portion 28 are provided on one side surface 10a with a gap 29, and an intermediate connecting annular portion 27 is provided on the other side surface 10b facing each other.

The intermediate connecting annular portion 27 is provided at a height position corresponding to the gap 29 between the upper connecting annular portion 26 and the lower connecting annular portion 28. In addition, it is preferable that the height dimension of the gap 29 is configured to be slightly larger than the height dimension of the intermediate connection annular portion 27 so that some play is formed when the base body 1 is connected.

  In addition, at the upper and lower positions of the intermediate connection annular portion 27, a concave portion 30 configured so as to follow the outer shape of the upper connection annular portion 26 and the lower connection annular portion 28 at the time of connection is provided. The positional relationship in the longitudinal direction can be easily positioned, and when they are close to each other, the two base bodies 1 can be brought into closer contact with each other.

  When the two base bodies 1 are close to each other, the stop member insertion ports 25 provided in the connecting annular portions 26, 27, and 28 are arranged in the thickness direction of the base body 1, and the stop member 31 is inserted into the stop member insertion port 25. By doing so, the two base bodies 1 are connected. The stop member 31 is a wedge-shaped member, and is inserted into the stop member insertion port 25 of the upper connection annular portion 26 of the two adjacent base bodies 1 and is located below the intermediate connection annular portion 27 and the lower connection annular portion. The two base bodies 1 are connected in communication with the stopper member insertion opening 25 of the portion 28.

  In order to connect the base body 1 of the present embodiment, the two base bodies are brought close to each other in the lateral direction, and then the stop member 31 is inserted and connected.

  Next, the procedure for assembling the floor structure according to this embodiment will be described. First, the base body 1 in which the support legs 2 are screwed is arranged on the foundation floor G. The supporting legs at this time may be at a temporary height position, and it is preferable that the upper surfaces of the respective base bodies 1 are substantially the same height. Next, the base bodies 1 are sequentially connected to each other using the stopper member 31 while the base bodies 1 are arranged in the short direction.

  After the base body 1 having a predetermined area is arranged and connected on the foundation floor G, the rotary tool 4 is inserted into the engagement holes 20 of the respective support legs 2 to adjust the height of the base body.

  In the present embodiment, since the coupling mechanism 11 is configured to be coupled in the lateral direction, when the height of the support leg 2 is adjusted for two adjacent base bodies 1, the other base body 1 is also interlocked to be adjacent base bodies. There is no step between 1. That is, when an arbitrary base body 1 is raised, the other base body 1 connected to the base body 1 is also lifted. In the present embodiment, since the coupling mechanism 11 and the support leg fixing hole 12 are provided close to each other, it is determined whether the support leg 2 is lifted from the foundation floor G for the base body 1 on the side lifted by the interlocking. By adjusting the height of the support leg 2 so as to contact the foundation floor G, the level can be easily adjusted so that the two base bodies 1 are flat.

  After the above operations are repeated and the height adjustment is completed for all the base bodies 1, the rotary tool 4 is inserted deeply to engage the engaging projections 43 of the gripping portion 42 with the concave and convex grooves 21 of the slot 22. Then, the rotary tool 4 is fixed to the base body 1. Since the leg portion 41 of the rotary tool 4 is inserted into the engagement hole 20 of the support leg 2, the base body 1 and the support leg 2 are connected via the rotary tool 4, and the support leg 2 is loosened. Is prevented from occurring.

  Finally, the decorative board material 3 is fixed on the base body 1 by fitting the decorative board material 3 into the longitudinal grooves 13 or the lateral grooves 14 of the base body 1.

  As described above, the floor structure according to the present embodiment is configured such that the rotary tool 4 for adjusting the height of the support leg 2 can be advanced and retracted with respect to the support leg 2 and the base body 1 is fixed to the support leg. By fixing to the concave and convex groove 21 provided around the hole 12, loosening of the screws of the support leg 2 can be prevented. That is, after the height of the support leg is adjusted using the rotary tool 4, the rotary tool 4 is inserted deeply into the support leg 2, so that both ends of the grip portion 42 are engaged with the uneven groove 21. Further, the grip portion 42 is accommodated in the slot 22 without protruding from the surface of the base body 1. With this configuration, the base body 1 and the support leg 2 are fixed via the rotary tool 4, and the loosening of the screw due to vibration or the like is prevented.

  Moreover, the base body 1 can be connected from the lateral direction by using the connecting annular portions 26, 27, and 28 and the stop member 31 as a connecting mechanism for connecting adjacent base bodies 1 to each other, and the base body 1 can be connected during height adjustment. There is no step between the main bodies. Further, since the support leg 2 and the coupling mechanism 11 are close to each other, it is easy to make the height of the support leg uniform according to the adjusted base body.

  In addition, this invention is not limited to the said embodiment, It can implement in another various aspect. For example, as a configuration for fixing the grip portion 42 to the base body 1, the concave / convex groove 21 is arranged around the slot 22, but it may be provided so that the upper side opens at the bottom of the slot. In this configuration, a locking convex portion 43 that engages with the concave and convex grooves may be provided on the bottom surface of the grip portion 42.

  The decorative board laying tool and the floor structure according to the present invention are arranged on a foundation floor surface such as a ground surface of a house or a concrete surface such as a veranda.

DESCRIPTION OF SYMBOLS 1 Base body 2 Support leg 3 Decorative plate material 4 Rotating tool 11 Connection mechanism 12 Support leg fixing hole 13 Vertical groove 14 Horizontal groove 15 Female screw 16 Male screw 17 Screw shaft 18 Intermediate part 19 Grounding part 20 Engagement hole 21 Concavity and convexity groove 22 Groove hole 23 bottom wall 26 upper connecting annular portion 27 intermediate connecting annular portion 28 lower connecting annular portion 29 gap 30 concave portion 31 retaining member 40 fitting hole 41 leg portion 42 gripping portion 43 locking convex portion 44 leg piece 45 engaging portion 46 boss Part

Claims (7)

A support leg including a screw shaft provided with a male screw on the upper end side, and a non-circular engagement hole provided on an upper surface of the screw shaft;
A rotary tool having a rod-like portion that can be inserted into the engagement hole of the support leg so as to freely advance and retract, and a grip portion provided at an upper end of the rod-like portion;
A support leg fixing hole for supporting the support leg provided with a female screw part that is provided through the thickness direction and screwed with the male screw part of the support leg, and the support leg fixing is provided above the support leg fixing hole. A base body provided with a tool fixing portion provided around the hole and engageable with the rotary tool, and a plate material fixing portion engaging a decorative plate material on the upper surface;
A decorative board laying tool comprising:

Furthermore, it has a connection mechanism that connects adjacent base bodies together,
The connecting mechanism is provided in the base body so that the height direction is different on the opposite side surface of the base body, and has a connecting portion having a stop member insertion port penetrating in the thickness direction;
A stop member inserted into the stop member insertion port in a state where the stop member insertion ports of the connecting portions of the adjacent base body portions are arranged so as to overlap in the thickness direction. The decorative board laying tool according to 1. The tool fixing portion is provided around the support leg fixing hole, and provided with a groove hole in which a side wall has an uneven groove extending in the base body thickness direction over the entire circumference,
The both ends of the gripping part of the rotary tool inserted into the engagement hole of the support leg from the upper side of the support leg fixing hole can be fitted into the groove of the concave and convex groove. Or the decorative board laying tool of 2.   The said support leg is provided in the lower side of the said screw shaft so that rotation with respect to the said screw shaft is provided, The grounding part contact | abutted to a foundation floor surface is provided, The any one of Claim 1 to 3 characterized by the above-mentioned. The decorative board laying tool according to 1. The plate material fixing portion is a groove configured such that an engaging portion provided on the decorative plate material is engaged with the plate material fixing portion.
The decorative plate material includes a boss portion that protrudes downward from the engaging portion,
The decorative board laying tool according to any one of claims 1 to 4, wherein the plate material fixing part is provided with an engagement hole that engages with the boss part at a groove bottom. A support leg having a male screw provided on the upper end side and a non-circular engagement hole provided on the upper surface is screwed into a support leg fixing hole having a female screw on the inner surface and penetrating in the thickness direction. It is a floor structure in which the base body supported so that the height can be adjusted with respect to the base floor surface is arranged, and a decorative floor material is fixed on the upper surface thereof,
Inserting a rotary tool having a rod-shaped portion that can be inserted into and retracted into the engagement hole and a grip portion provided at the upper end of the rod-shaped portion from the surface side of the base body of the screw shaft of the support leg, The decorative board material is arranged on the upper surface in a state where the gripping part of the rotary tool part is engaged with the tool fixing part provided around the support leg fixing hole above the support leg fixing hole. Floor structure. In the state where the stopper member insertion port penetrating in the thickness direction of the connecting portion provided so that the height direction is different on the opposite side surface of the adjacent base body is arranged so as to overlap in the thickness direction, the stopper member is stopped. The floor structure according to claim 6, wherein the floor structure is inserted into a member insertion port to connect the adjacent base bodies.