JPH084256A - Mounting structure of floor board - Google Patents

Abstract

PURPOSE:To facilitate the work by forming a floor board body having a groove having an upper recessed groove and a lower recessed groove narrower in width than the upper recessed groove formed in two stages, fixing the floor board to a joist by a fixing tool, and fitting a groove cover. CONSTITUTION:An upper recessed groove 3 and a lower recessed groove 4 narrower in width than the upper recessed groove 3 are provided in two stages substantially on the central upper surface 2 of a floor board body 1, and projection parts 5 are formed inward on both side surfaces of the upper recessed groove 3. A fixing tool B consisting of a shaft 10 and a head part 11 is inserted to the lower recessed groove 4 and fixed to a joist, and the locking part 9 of the leg part 8 of a groove cover 6 is engagingly locked by the projection parts 5 of the upper recessed groove 3 to fit the groove cover 6 into the upper recessed groove 3. Thus, the screwing work is facilitated, and the construction time can be shortened.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor plate mounting structure which can be easily installed.

[0002]

2. Description of the Related Art Conventionally, in order to attach a floor plate to a joist or the like, a recessed groove is provided along the longitudinal direction at approximately the center of the floor plate, and a bolt, a screw, or a
Insert a fixing tool such as a nail and screw it into the joist, or hammer it in to fix the floorboard, and in order to prevent water from entering the above-mentioned groove and to prevent dust and dirt from staying, install a groove cover in the groove. The fitted floorboard is, for example, Jikho Sho 60-30.
It is known from Japanese Patent No. 355, etc.

[0003]

However, a bolt, a screw, or the like is formed in a hole previously formed in the bottom of the groove of the floor plate.
When fixing a floor plate by inserting a fastener such as a nail and screwing it into the joist, or driving it into the joist, the width of the groove is larger than the size of the head of the fastener, so the stability is poor and the fastener falls over in the groove. Therefore, there was a problem that the installation work was difficult. Furthermore, although a groove cover is fitted in the groove of the floor plate to prevent water from entering, it is not enough, and it leaks water from the gap between the fixing tool and the mounting hole opened at the bottom of the groove of the floor plate and fixes. There was a problem of corroding the fillings and joists.

An object of the present invention is to provide a floor plate mounting structure in which fixing tools such as bolts, screws, and nails for mounting the floor plate to joists and the like are less likely to fall in the groove and the construction is easy. Another object of the present invention is to provide a floor plate mounting structure capable of preventing water leakage from a fixture mounting hole provided at the bottom of the groove of the floor plate.

[0005]

The present invention has been made to achieve the above object, and the invention of claim 1 provides an upper groove and a lower groove narrower than the upper groove. And a floorboard main body having a groove provided in two steps, and a floorboard consisting of a groove cover fitted into the upper groove of the floorboard main body is a floorboard mounting structure attached to a joist by a fastener, The fastener includes a head portion that is larger than the width of the lower groove and smaller than the width of the upper groove, and a shaft portion that is smaller than the width of the lower groove, and the head of the fastener is the boundary between the upper groove and the lower groove. Is a floor plate mounting structure characterized in that the shaft portion of the fixing tool is engaged with the step provided at the bottom, and the lower end of the shaft portion penetrates and is fixed to the joist through the lower concave groove.

According to a second aspect of the present invention, there is provided a floor plate main body having a groove in which an upper concave groove and a lower concave groove narrower than the upper concave groove are provided in two steps, and an upper concave groove of the floor plate main body. A floorboard consisting of a groove cover to be fitted and a floorboard attached to a joist by a fixing tool, having an outer diameter smaller than the width of the lower groove and a height slightly larger than the depth of the lower groove, A cylindrical member having at least a lower end portion made of a sealing material is inserted into the lower groove, and an annular washer having an outer diameter larger than the width of the lower groove and smaller than the width of the upper groove is installed on the cylindrical member, The shaft part of the fastener consisting of the head part and the shaft part is inserted into the annular washer and the cylindrical member, and the lower end of the shaft part of the fastener penetrates the bottom of the lower groove to enter the joist and is fixed. The ring washer is pressed by the head of the tool and the upper part While being locked to the step provided at the boundary between the groove and the lower groove, the cylindrical member is pressed, and the periphery of the through hole of the fixture penetrating the bottom of the lower groove is watertight. This is a characteristic floor plate mounting structure.

[0007]

According to the first aspect of the present invention, there is provided a floorboard main body having a groove in which an upper groove and a lower groove having a width narrower than the upper groove are provided in two steps. In the mounting structure, the fixing tool includes a head portion that is larger than the width of the lower groove and smaller than the width of the upper groove, and a shaft portion that is smaller than the width of the lower groove. The side wall of the lower groove serves as a guide for the fastener shaft because it is locked to the step provided on the boundary between the groove and the lower groove, and the fastener is in a direction perpendicular to the longitudinal direction of the lower groove. Also, even if it falls in the longitudinal direction of the lower groove, the head of the fixing tool is caught in the lower groove, so it does not fall deeply.

For this reason, the fastener can be screwed or hammered in carefully so that it does not fall only in the longitudinal direction of the lower groove, so that the work is easy and the fastener may fall to the back. Since it is not there, it is easy to rebuild. Also,
The head of the fastener is locked to the step provided at the boundary between the upper groove and the lower groove, and the shaft of the fastener passes through the lower groove,
Since the lower end of the shaft portion is intruded and fixed to the joist, the floorboard body can be firmly fixed to the joist.

According to a second aspect of the present invention, a cylindrical member having a lower end made of a sealing material is inserted into the lower groove, and the annular washer has an outer diameter larger than the width of the lower groove and smaller than the width of the upper groove. It is installed on the cylindrical member, the shaft part of the fastener consisting of the head and the shaft part is inserted into the annular washer and the cylindrical member, and the lower end of the shaft part of the fastener penetrates the bottom part of the lower groove. Then, the circular washer is pressed by the head of the fixing tool and locked to the step provided at the boundary between the upper concave groove and the lower concave groove, and the cylindrical member is pressed to lower the concave groove. Since the periphery of the through hole of the fastener penetrating the groove bottom is made watertight, it is possible to prevent water leakage from the periphery of the through hole, and to make it difficult to corrode the shaft portion and joists of the fastener. , The floor board body can be firmly fixed to the joist.

[0010]

Embodiments of the present invention will now be described with reference to the drawings. 1 to 4 show an embodiment of the present invention,
FIG. 1 is a partially cutaway perspective view showing the floorboard of the present invention disassembled into a floorboard body and a groove cover. FIG. 2 shows II- of FIG.
II is a cross-sectional view taken along line II, FIG. 3 is a cross-sectional view taken along line II-II of FIG. 1 in which fastener screws are inserted in the lower groove, and FIG. It is sectional drawing in the II-II line of FIG.

Reference numeral 1 denotes a floor plate main body, and an upper concave groove 3 and a lower concave groove 4 narrower than the upper concave groove 3 are provided in two steps on an upper surface 2 of the floor plate main body 1 substantially at the center thereof. . The side surface of the upper groove 3 is inclined downward, and the groove width becomes narrower downward. On both sides of the upper groove 3, the protrusions 5
Is provided inward. On the other hand, the side surface of the lower groove 4 is perpendicular to the upper surface 2 of the floor plate body 1, and the groove width is constant. The groove width of the lower groove 4 is the shaft portion 10 of the fixing tool B described later.
It is made slightly larger than the outer diameter of. That is, the floor plate body 1
A concave groove having a shape in which an inverted trapezoidal upper concave groove 3 and a rectangular lower concave groove 4 are combined is provided substantially at the center.

Reference numeral 6 is a groove cover, and floor plate A is a floor plate body 1.
And the groove cover 6. The groove cover 6 is composed of a plate-shaped body 7 and leg portions 8. The leg portion 8 projects from the lower portion of the plate-shaped body 7, and a locking claw 9 is provided at the tip of the leg portion 8. When the groove cover 6 is fitted into the upper groove 3 of the floor plate body 1, the locking claws 9 are locked to the protrusions 5 and 5 provided on both side surfaces of the upper groove 3. There is. The side portions of the plate-shaped body 7 forming the groove cover 6 have an inclined surface that is substantially the same as the inclination angle of the side surface of the upper concave groove 3, and the side portions of the plate-shaped body are fitted into the side surfaces of the upper concave groove 3. It has become.

Further, the leg portion 8 provided on the groove cover 6
And the distance from the upper surface 2 of the protruding portion 5 provided on the inclined side surface of the upper groove 3 is such that the upper surface of the plate-shaped body 7 forming the groove cover 6 is stepped from the upper surface 2 of the floorboard body 1. It is designed to be the same surface without. The fixing tool B is the floor plate body 1
Is used to fix the tongue 12 to the joist 12, and the fixing tool B includes a shaft portion 10 and a head portion 11. The outer diameter of the shaft portion 10 is made slightly smaller than the groove width of the lower concave groove 4, while the outer diameter of the head portion 11 is made larger than the groove width of the lower concave groove 4 and smaller than the groove width of the upper concave groove 3.

Next, the construction method of this embodiment will be described. First, the shaft portion 10 of the fixing tool B is inserted into the lower groove 4. Since the width of the lower groove 4 is slightly larger than the outer diameter of the shaft portion 10 of the fixing tool B, the shaft portion 10 of the fixing tool B can be easily inserted into the lower groove 4. Next, when the lower end of the shaft portion 10 of the fixing tool B is passed through the bottom of the lower groove 4 and screwed into the joist 12, the width of the lower groove 4 is smaller than the outer diameter of the head 11 of the fixing tool B. The fastener head 11 is locked to a step provided at the boundary between the upper groove 3 and the lower groove 4,
The floor plate body 1 is firmly fixed to the joist 12.

At this time, as shown in FIG. 3, since the width of the lower groove 4 is slightly larger than the outer diameter of the shaft portion 10 of the fixing tool B and smaller than the outer diameter of the head portion 11 of the fixing tool B, the lower concave groove 4 is formed. The side wall of the groove 4 serves as a guide for the fastener shaft portion 11, does not fall in a direction perpendicular to the longitudinal direction of the lower groove 4, and even if it falls in the longitudinal direction of the lower groove 4, the fastener head 11 Is the lower groove 4
It does not fall all the way in because it is caught in. For this reason, it is only necessary to screw in the lower concave groove 4 so that it does not fall down only in the longitudinal direction, so that the work of screwing in is easy and the screw does not fall down to the back so that it can be easily reassembled. Yes, the construction time can be shortened.

Finally, the engaging portion 9 of the leg portion 8 of the groove cover 6 is engaged with the protruding portion 5 of the upper groove 3, and the groove cover 6 is attached to the upper groove 3.
As shown in FIG. 4, the upper surface 2 of the floorboard body 1 is covered with the groove cover 6 without any step, and the construction is completed.

Next, another embodiment of the present invention will be described. FIG. 5 is a cross-sectional view of an essential part of the floor plate mounting structure of the present invention.
Reference numeral 3 denotes a cylindrical member, and the cylindrical member 13 has an upper portion made of a synthetic resin or metal cylinder 130 and a lower portion made of an annular rubber sealing material 131, which are integrated with each other. The cylindrical member 13 has an outer diameter smaller than the width of the lower groove 4a and slightly smaller than the depth of the lower groove 4a (1 to 5 m).
m) It has a large height. Reference numeral 14 denotes a metal annular washer having an outer diameter larger than the groove width of the lower groove 4a and smaller than the groove width of the upper groove 3a. The cylindrical member 13 may be formed as a separate component, or the entire cylindrical member 13 may be formed of a rubber-like elastic body.

Next, the construction method will be described. First, the cylindrical member 13 is inserted into the lower groove 4a. At this time, since the cylindrical member 13 has an outer diameter smaller than the width of the lower groove 4a, it can be easily inserted. Next, the annular washer 14 is installed on the cylindrical member 13, and the head 11a and the shaft 10 are installed.
The shaft portion 10a of the fastener B1 including a is inserted into the annular washer 14 and the cylindrical member 13, and the lower end of the shaft portion 10a of the fastener B1 is passed through the bottom portion of the lower groove 4a to obtain a joist 1
2a is screwed and fixed.

At this time, the head portion 11a of the fixing tool B1 presses the annular washer 14, and further the annular washer 14
Presses the cylindrical member 13 and deforms the sealing material 131 to lock the annular washer 14 at the step between the upper groove 3a and the lower groove 4a. At the same time, if the periphery of the through hole of the shaft portion 10a of the fixing tool B1 penetrating the bottom of the lower groove 4a is pressed to be watertight by the deformed sealing material 131, water leakage from the periphery of the through hole is prevented and the joist 12a or Fastener B1
It is possible to make it difficult for the shaft portion 10a to corrode. In the embodiment of the present invention, screws are used as the fasteners B and B1.
Bolts and nails can also be used.

[0020]

According to the floor plate mounting structure of the first aspect of the present invention, when the floor plate body is fixed to the joist, the floor plate body has an upper groove and a lower groove narrower than the upper groove. Grooves are provided on the steps, and the side walls of the lower groove serve as guides for the fastener shafts, making it difficult for the fasteners to fall into the grooves, making it easier to install the fasteners and shortening the construction time. it can.
In the floorboard according to the invention of claim 2, the fixing member is inserted into the cylindrical member and attached to the lower groove, and the shaft portion of the fixing member is inserted into and fixed to the joist, whereby the annular sealing material is pressed,
Since the circumference of the through hole of the fastener penetrating the bottom of the lower groove is made of honey, it is possible to prevent water leakage and make the joists and the fastener shaft part less corrosive, thus increasing the service life of the floorboard structure. Can be improved.

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view showing a state where a floorboard of the present invention is disassembled into a floorboard body and a groove cover.

FIG. 2 is a sectional view taken along line II-II in FIG.

FIG. 3 is a II-I of FIG. 1 in which a fixing tool is inserted into a lower groove.
It is sectional drawing in the I line.

4 is a cross-sectional view taken along line II-II of FIG. 1 in which a fixing tool is screwed into a joist and a groove cover is attached to an upper groove.

FIG. 5 is a cross-sectional view of an essential part of the floor plate mounting structure of the present invention.

[Explanation of symbols]

 A floor plate 1, 1a floor plate main body 2, 2a upper surface 3, 3a upper concave groove 4, 4a lower concave groove 6 groove cover B, B1 fixing tool 10, 10a fixing tool shaft section 11, 11a fixing tool head 12, 12a joist 13 Cylindrical member 130 Cylinder 131 Seal material

Claims (2)

[Claims] 1. A floorboard main body having a groove in which an upper groove and a lower groove narrower than the upper groove are provided in two stages, and a groove cover fitted in the upper groove of the floorboard main body. Is a floor plate mounting structure in which a floor plate made of is attached to a joist with a fastener, wherein the fastener has a head portion larger than the width of the lower groove and smaller than the width of the upper groove, and an axis smaller than the width of the lower groove. And the head of the fastener is locked to the step provided at the boundary between the upper groove and the lower groove, and the shaft of the fastener passes through the lower groove to A floorboard mounting structure, characterized in that the lower end is invaded and secured to the joists. 2. A floorboard main body having a groove in which an upper groove and a lower groove narrower than the upper groove are provided in two steps, and a groove cover fitted into the upper groove of the floorboard main body. Is a floor plate mounting structure in which a floor plate made of is attached to a joist by a fastener, has an outer diameter smaller than the width of the lower groove and a height slightly larger than the depth of the lower groove, and at least the lower end is a seal. A cylindrical member made of material is inserted into the lower groove, and an annular washer having an outer diameter larger than the width of the lower groove and smaller than the width of the upper groove is installed on the cylindrical member, and the head and the shaft The shaft part of the fastener consisting of and is inserted into the annular washer and the cylindrical member, and the lower end of the shaft part of the fastener penetrates the bottom of the lower groove to be secured to the joist and fixed by the head of the fastener. The annular washer is pressed and the boundary between the upper and lower grooves The mounting structure of the floor plate, characterized in that the cylindrical member is pressed and the periphery of the through hole of the fixture penetrating the bottom of the lower groove is watertight while being locked to the step provided in .