JP3605736B2 - Floor structure with space for wiring and piping materials - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a floor structure having a wiring and piping material storage space in which a storage space for storing wiring such as communication cables and power cables and piping materials such as water supply / drainage hot water pipes and gas pipes is formed under the floor.
[0002]
[Prior art]
As a conventional floor structure having a space for accommodating wiring and piping materials of this type, there is a technique according to Japanese Patent Application No. Hei 6-240113 filed by the inventor of the present application, and this will be described with reference to FIG.
In the figure, a floor structure is constituted by a long joist 21 supported by the support legs 11 and a floor panel 31 erected between the joists 21, and the joist 21 is provided on the upper part thereof. It has a support portion 21a which protrudes upward and is formed of a ridge formed continuously in the longitudinal direction. On the other hand, the floor panel 31 has on its lower surface an engaging portion 35 formed in a concave shape that can be fitted to the ridge of the support portion 21a. The joist 21 and the floor panel 31 are made of a metal such as steel or aluminum, or a synthetic resin such as polyethylene or ABS resin.
[0003]
As shown in the figure, the joist 21 having such a supporting portion and the floor panel 31 having an engaging portion are arranged such that the joist 21 is disposed on the base floor surface at a predetermined interval and is engaged with the supporting portion 21a. The floor panel 31 is supported by the joists 21 in a state where the joint portions 35 are engaged, and a space for accommodating wiring and piping materials is formed below the floor.
[0004]
According to this floor structure, the floor panel 31 is separated from the joist material 21 even when there is horizontal vibration due to the engagement structure between the support portion 21a provided on the joist material 21 and the floor panel 31 and the engaging portion 35. It does not come off, and can cope with inclination or unevenness of the ground floor.
[0005]
[Problems to be solved by the invention]
However, in the above-mentioned floor structure, since the floor panel 31 is configured to engage with the support portion 21a only by its own weight, if there is a large vibration in the vertical direction, the engagement between the floor panel 31 and the joist material 21 will occur. And the floor panel 31 may move upward and come off, which is not always safe enough.
[0006]
Therefore, an object of the present invention is to provide a floor structure having a housing space for wiring and piping materials in which a floor panel does not come off from a joist not only in left and right vibrations but also in vertical vibrations. is there.
[0007]
[Means for Solving the Problems]
A floor structure having an accommodation space for wiring and piping materials according to the first aspect of the present invention is a floor structure which is erected by supporting legs and arranged at predetermined intervals on a base floor surface, and between adjacent joist members. A floor panel having a notch groove formed on the upper surface thereof along the joist member; and an engaging portion engaging with the notch groove of the floor panel, the engaging portions being adjacent to each other with the joist member interposed therebetween. Ri Do and a lid which is attached from above joist member engages both the notch groove of the floor panel, the joists member comprises a support strip portion which is upwardly erected, the in the support ridges The floor panel is tiltably supported by the engaging portion of the lid in contact with the bottom substantially vertically below the cutout groove of the floor panel .
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
<First embodiment>
An embodiment of the present invention will be described below with reference to FIGS.
In the drawing, a support leg 11 is placed on a base floor surface 1, and the support leg 11 has a bolt 13 attached to a pedestal 12 in a vertically upward direction, and the bolt 13 is a stopper screwed to the side. The height can be adjusted via a screw 14. Above the bolt 13, a main body 15 through which the bolt 13 is inserted is attached via a nut 16 housed therein. An elastic projection 17 having an engaging claw 17a is provided integrally on a side surface of the main body 15 and has two engaging projections 15a on its upper surface. It is formed integrally.
[0010]
On the upper end of the support leg 11, a long joist 21 having a fixed cross section is placed, and below the horizontal plate 22, two hanging plates 23 are formed vertically below, Further, an engaging recess 23a that engages with the engaging claw 17a of the main body 15 is formed at the tip of the hanging portion over the entire length. That is, the main body 15 is accommodated in the lower accommodating portion 24 divided by the horizontal plate portion 22 and the two hanging plate portions 23, and the joist is elastically engaged with the engaging claw 17a and the engaging concave portion 23a. The material 21 is prevented from being pulled upward from the support leg 11. In addition, elongated holes 22a are formed at predetermined intervals in the horizontal plate portion 22 of the joist material 21, and the engaging protrusion 15a of the main body 15 abuts on the edge of the elongated hole 22a so that the joist material 21 is elongated. The movement in the direction is prevented.
[0011]
On the other hand, two upright plate portions 25 are formed vertically above the horizontal plate portion 22, and inwardly protruding engaging claws 25 a are formed at the ends thereof so as to face the entire length. I have. A lid attaching member 27 is accommodated in an upper accommodating portion 26 partitioned by the horizontal plate portion 22 and the two upright plate portions 25, and the lid attaching member 27 elastically expands to the side. An elastic protruding piece 28 that opens is provided, and an engaging claw 28a formed at the tip of the elastic protruding piece 28 engages with an engaging claw 25a of the standing plate 25 of the joist material 21 so as not to be pulled out upward. ing.
[0012]
The lid mounting member 27 further has two engagement projections 27a protruding from the bottom surface thereof in contact with an edge of a long hole 22b formed at a predetermined position of the horizontal plate portion 22 of the main body 15. The movement in the longitudinal direction is thereby prevented, and a screw hole 27b is provided at the center in the vertical direction.
Note that the support leg 11 and the joist material 21 constitute the joist member of the claims.
[0013]
Numeral 31 denotes a rectangular plate-like floor panel laid on the horizontal plate portion 22 of the adjacent joist material 21. As shown in FIG. 4, cutout grooves 33 are formed at both ends of the upper surface 32 along the joist material 21. Is provided. The floor panel 31 is formed of a synthetic resin, a metal such as aluminum, or the like.
[0014]
Numeral 41 denotes a lid erected at the end of a floor panel 31 placed on the left and right sides of the horizontal plate 22 of the joist 21, as shown in FIG. 5, a synthetic resin plate having a U-shaped cross section, aluminum A flange 42 formed of a plate or the like and bent at both ends is engaged with the cutout groove 33 of the adjacent floor panel 31, and a countersunk screw 51 is inserted into a seat hole 44 formed at the center of the upper surface 43. The countersunk screw 51 is screwed into the screw hole 27b of the lid attachment member 27 to hold the end of the floor panel 31 from above. The depth of the notch groove 33 is set so that the upper surface 43 of the lid 41 and the upper surface 32 of the floor panel 31 are substantially at the same height. On the upper surface 43 of the lid 32 and the lid 41, finishing materials such as carpets and floor mats (not shown) are placed. Here, the flange 42 corresponds to the engaging portion of the lid in the claims.
[0015]
The support legs 11, the joists 21, the floor panel 31, and the lid 41 constitute a floor structure having a space for accommodating wiring and piping materials. The floor panel 31 and the lid 41 are shown in FIG. At such a position, it is arranged on the base floor 1.
[0016]
Next, the operation of the floor structure having a space for accommodating the wiring and piping members of the present embodiment configured as described above will be described.
Since the floor panel 31 has the flange 42 of the lid 41 engaged with the notch groove 33 at the end of the adjacent floor panel 31 and the lid 41 is attached to the joist 21 via the countersunk screw 51, Horizontal movement is restricted. Further, since the floor panel 31 has the notch groove 33 in which the flange 42 of the lid 41 is engaged from above and the lid 41 is attached to the joist 21 from above, the upward movement is restricted. Is done. As a result, the floor panel 31 does not come off from the joist material 21 even if there is any vibration or impact, left or right, up and down, and therefore, it is completely safe.
[0017]
Here, the floor panel 31 of the first embodiment may be the one shown in FIG.
In the figure, the floor panel 31 has a large number of ribs 34 on the back surface in a direction perpendicular to the joist 21, and has flexibility in the longitudinal direction of the joist 21 and rigidity in the direction orthogonal thereto. It is.
When this floor panel 31 is used, as shown in FIG. 7, even if the joists 21 arranged at predetermined intervals on the base floor surface 1 are arranged in different inclined states in the longitudinal direction, The floor panel 31 bridged between the joists 21 bends due to its flexibility and can form a floor surface with necessary rigidity.
[0018]
Further, the floor structure having a space for accommodating the wiring and piping materials of the first embodiment can be the one shown in FIG.
In the figure, the joist 21 is not the one in which the lid attaching member 27 is accommodated in the upper accommodating portion 26 as in the above-described embodiment, and the horizontal plate portion 22 is not formed with the elongated hole 22b. On the other hand, on the back surface of the lid 41, an engaging portion 45 having an engaging claw 45a at a distal end portion is provided so as to protrude over the entire length, and the engaging claw 45a of the engaging portion 45 Are engaged with the engagement claws 25a of the upright plate portion 25.
[0019]
Also in this embodiment, the lid 41 is held by the joist 21 by engaging the engaging claw 45a of the engaging portion 45 with the engaging claw 25a of the standing plate portion 25 of the joist 21. It does not move horizontally and upwards. As a result, the floor panel 31 engaged with the flange 42 of the lid 41 does not come off in either the horizontal direction or the upward direction due to vibration or impact.
In the case of this embodiment, since the lid attaching member 27 is unnecessary, the lid 41 can be easily and inexpensively attached to the joist 21.
[0020]
<Second embodiment>
Next, a floor structure having a space for accommodating wiring and piping materials according to a second embodiment of the present invention will be described with reference to FIGS.
In the figure, the joist material 21 has a support strip 22c standing upright on both edges of a horizontal plate portion 22 vertically upward. The tip of the support strip 22c abuts the bottom of the floor panel 31 substantially vertically below the position of the flange 42 of the lid 41, that is, the position where the cutout groove 33 of the floor panel 31 is formed. Is supported from below. In the drawing, the bottom of the floor panel 31 with which the tip of the support strip 22c contacts is a flat bottom. For example, a U-shaped notch is formed on the bottom, and the support strip is formed on the inner bottom. The tip of the portion 22c may be in contact. The distal end of the support strip 22c and the distal end of the flange 42 of the lid 41 are rounded, and the inside of the cutout groove 33 of the floor panel 31 and the upper, lower, and side surfaces of the end of the floor panel 31 are formed. A gap having a predetermined size is provided between the flange 42 of the lid 41 and the joist 21. That is, the floor panel 31 can be tilted up and down around the tip of the support strip 22c by contact with the support strip 22c of the joist 21 and the tip of the flange 42 of the lid 41.
Therefore, according to the present embodiment, it is easy to cope with the inclination of the ground floor 1 or unevenness.
[0021]
As shown in FIG. 11, an elastic member 29 such as rubber may be fitted to the tip of the support strip 22c. In this case, the tip of the support strip 22c can be protected, and the elastic member 29 itself can absorb a slight inclination and unevenness. In addition, rattling and noise when walking on the floor panel 31 are generated. Can be prevented.
[0022]
Also in the second embodiment, the floor panel 31 has a large number of ribs 34 on the back surface in a direction orthogonal to the joist 21 as shown in FIG. May be provided with flexibility, and may be provided with rigidity in a direction orthogonal thereto.
[0023]
The lid 41 of each of the above embodiments is attached to the joist 21 by the countersunk screw 51 or the engaging portion 45. However, the present invention is not limited to these means. Instead, any means may be used as long as the lid 41 can be attached to the joist 21 from above.
[0024]
Further, in each of the above embodiments, the support ridge 22c of the joist 21, the engagement recess 23 a of the hanging plate 23, the engagement claw 25 a of the standing plate 25, the cutout groove 33 of the floor panel 31, and the cover 41 The flange 42 and the engaging portion 45 are formed along the whole length of the joist 21, but may be formed partially at a predetermined interval.
[0025]
【The invention's effect】
As described above, the floor structure having the wiring / pipe material accommodating space according to the first aspect of the present invention has the floor panel erected between the adjacent joist members, and the lid body has the joist members at the engaging portions thereof. sandwiched therebetween engage with both the notch groove of the adjacent floor panels, Rutotomoni is attached from above joists member, said joists member comprises a support strip portion which is upwardly erected, the floor in the supporting ridges The floor panel is tiltably supported by the engaging portion of the lid in contact with the bottom substantially vertically below the cutout groove of the panel . Therefore, the movement of the floor panel in the horizontal direction and the vertical direction is restricted, and the floor panel does not come off from the joist member regardless of left, right, up, or down vibration, so that it is completely safe. In particular, since the joist member supports the floor panel so that the floor panel can be tilted, the floor panel can be easily installed in response to inclination or unevenness of the ground floor.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view showing a floor structure having a space for accommodating wiring and piping materials according to a first embodiment of the present invention.
FIG. 2 is an exploded perspective view showing a floor structure having a space for accommodating wiring and piping materials according to the first embodiment of the present invention.
FIG. 3 is a plan view showing a state in which a floor panel and a lid of FIG. 1 are arranged on a base floor.
FIG. 4 is a perspective view showing the floor panel of FIG. 1;
FIG. 5 is a perspective view showing the lid of FIG. 1;
FIG. 6 is a perspective view showing another floor panel of FIG. 1;
FIG. 7 is a side view showing a state in which the joists of FIG. 1 are inclined differently in the longitudinal direction.
FIG. 8 is a longitudinal sectional view showing a floor structure having a space for accommodating another wiring and piping material in the first embodiment of the present invention.
FIG. 9 is a longitudinal sectional view showing a floor structure having a space for accommodating wiring and piping members according to a second embodiment of the present invention.
FIG. 10 is an exploded perspective view showing a floor structure having a space for accommodating wiring and piping members according to a second embodiment of the present invention.
FIG. 11 is a longitudinal sectional view showing a floor structure having a space for accommodating another wiring and piping material in a second embodiment of the present invention.
FIG. 12 is a front view showing a conventional floor structure having a space for accommodating wiring and piping materials.
[Explanation of symbols]
Reference Signs List 1 base floor 11 support leg 21 joist 22c support strip 31 floor panel 33 cutout groove 41 lid 42 flange

Claims (1)

A joist member which is erected by the supporting legs and arranged at predetermined intervals on the base floor,
Bridges the adjacent said joists member, and the floor panel which is notched groove formed along the joists member on the upper surface,
Includes an engagement portion engaged with the cutout groove of the floor panel, the engaging portion is attached from above the joists member engages both the notch groove of the floor panel adjacent across the joists member Ri Do from the difference between the lid,
The joist member includes a support ridge that stands upward, and the support ridge abuts a bottom substantially vertically below a cutout groove of the floor panel, and the floor is engaged with the engagement portion of the lid. A floor structure having a space for accommodating wiring and piping materials, characterized by supporting a panel in a tiltable manner.

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