JPH0941633A - Floor structure with space for wiring and piping - Google Patents

Abstract

(57) [Summary] [Purpose] The floor panel is prevented from coming off the joist not only to the left and right vibration but also to the vertical vibration. [Structure] A joist member erected by a support leg 11 and arranged at a predetermined interval on a base floor surface 1 and a joist member that is adjacent to the joist member, and a cutout groove 33 is provided on an upper surface 32 along the joist member. The floor panel 31 formed is provided with a flange 42 that engages with the notch groove 33 of the floor panel 31, and the flange 42 engages with both notch grooves 33 of the adjacent floor panels 31 with the joist 21 sandwiched therebetween. And a lid 41 attached to the joist member from above.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor having an accommodation space for wiring / piping material in which an accommodation space for accommodating wiring such as a communication cable and an electric power cable and piping materials such as a water supply / drainage hot water pipe and a gas pipe is formed under the floor. It concerns structures.

[0002]

2. Description of the Related Art As a conventional floor structure having a space for accommodating wiring and piping materials of this type, there is a technique related to Japanese Patent Application No. 6-240113 previously filed by the inventor of the present application.
2 will be described. In the figure, a floor structure is constituted by a long joist 21 supported by the support legs 11 and a floor panel 31 installed between the joists 21, and the joist 21 is provided on the upper part thereof. It has the support part 21a which protrudes upward and consists of a ridge continuously formed 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 protrusion of the supporting portion 21a. Related joist 21 and floor panel 31
Is made of metal such as steel and aluminum, or synthetic resin such as polyethylene and ABS resin.

The joist 21 having such a supporting portion and the floor panel 31 having an engaging portion are, as shown in the drawing,
The joist 21 is arranged on the base floor surface at a predetermined interval, and the joist 21 is engaged with the support portion 21a of the engagement portion 35.
A floor panel 31 is supported on the floor, and an accommodation space for wiring and piping materials is formed under the floor.

According to this floor structure, due to the engaging structure of the supporting portion 21a provided on the joist 21 and the floor panel 31 and the engaging portion 35, the floor panel 3 can be vibrated in the horizontal direction.
1 does not come off from the joist 21 and can cope with the inclination or unevenness of the ground floor.

[0005]

However, in the above floor structure, the floor panel 31 is supported only by its own weight.
Since it is configured to engage with 1a, the floor panel 31 may be disengaged from the joist 21 and the floor panel 31 may move upward to be disengaged if there is a large vertical vibration. It wasn't safe enough.

Therefore, the present invention has an object to provide a floor structure having a space for accommodating wiring / piping materials in which the floor panel does not come off from the joist not only to the horizontal vibration but also to the vertical vibration. To do.

[0007]

According to a first aspect of the present invention, there is provided a floor structure having a wiring / piping material accommodating space, which is erected by a supporting leg and is placed on a ground floor at a predetermined interval. A member and a floor panel that is installed between adjacent joist members and has a notch groove formed on the upper surface along the joist member; and an engaging portion that engages with the notch groove of the floor panel, the engaging portion However, the lid member is engaged with both notch grooves of the floor panels adjacent to each other with the joist member sandwiched therebetween and is attached to the joist member from above.

In a floor structure having a space for accommodating wiring and piping materials according to a second aspect of the invention, the joist member according to the first aspect is substantially the cutout groove of the floor panel in the supporting strip that is erected upward. The floor panel is tiltably supported by the bottom engaging portion vertically below and the engaging portion of the lid.

[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 figure, a support leg 11 is placed on a base floor surface 1, and a bolt 13 is vertically attached to a pedestal 12 of the support leg 11, and the bolt 13 is a laterally screwed stopper. The height can be adjusted via the screw 14. Above the bolt 13,
A body 15 through which the bolt 13 is inserted is attached via a nut 16 housed inside. An elastic projection piece 17 that elastically expands laterally and has engaging claws 17a is integrally provided on the side surface of the main body 15, and two engaging projections 15a are provided on the upper surface. It is formed integrally.

On the upper end of the support leg 11, an elongated joist 21 having a constant cross-section is placed, and below the horizontal plate 22, two hanging plates 23 are vertically downward. Further, an engaging concave portion 23a which engages with the engaging claw 17a of the main body 15 is formed at the leading end portion thereof so as to extend to the entire length. That is, the main body 15 is accommodated in the lower accommodating portion 24 defined by the horizontal plate portion 22 and the two hanging plate portions 23, and the joist 17a and the engaging concave portion 23a are elastically engaged with each other to obtain the joist. The material 21 is prevented from being pulled out upward from the support leg 11. In addition, the horizontal plate portion 22 of the joist 21 is provided with elongated holes 22a at predetermined intervals, and the engaging projections 15a of the main body 15 are brought into contact with the edge portions of the oblong hole 22a so that the joist 21 is elongated. It is prevented from moving in the direction.

On the other hand, on the upper side of the horizontal plate portion 22, two standing plate portions 25 are formed vertically upward, and the engaging claws 25a projecting inward are opposed to each other over their entire lengths at the tips thereof. Has been formed. A lid attachment member 27 is accommodated in an upper accommodation portion 26 partitioned by the horizontal plate portion 22 and the two standing plate portions 25, and the lid attachment member 27 is elastically expanded laterally. The elastic protrusion 28 that opens is provided, and the engaging claw 28a formed at the tip end thereof is engaged with the engaging claw 25a of the standing plate portion 25 of the joist 21 so as not to be pulled out upward. ing.

The lid attaching member 27 further has an edge portion of an elongated hole 22b in which two engaging protrusions 27a protruding from the bottom surface thereof are formed at predetermined positions of the horizontal plate portion 22 of the main body 15. And is prevented from moving in the longitudinal direction, and a screw hole 27b is provided in the central portion in the vertical direction. The support leg 11 and the joist 21 constitute the joist member of the claims.

Reference numeral 31 denotes a rectangular plate-shaped floor panel laid on the horizontal plate portion 22 of the adjacent joist 21. As shown in FIG. 4, both ends of the upper surface 32 are notched along the joist 21. A groove 33 is provided. This floor panel 31 is made of synthetic resin,
It is formed of a metal such as aluminum.

Reference numeral 41 denotes a lid body which is erected on the end portions of the floor panel 31 placed on the left and right sides of the horizontal plate portion 22 of the joist 21 and, as shown in FIG. 5, is a synthetic resin having a U-shaped cross section. Made of a metal plate, an aluminum plate or the like, the flanges 42 formed at both ends are engaged with the notch groove 33 of the adjacent floor panel 31, and the countersunk screw is formed in the seat hole 44 formed in the center of the upper surface 43. 51 is inserted, and the countersunk screw 51 is attached to the lid attachment member 2
The floor panel 3 is screwed into the screw hole 27a of the floor panel 3
The end of 1 is held from above. In the floor panel 31, the depth of the cutout groove 33 is set so that the upper surface 43 of the lid 41 and the upper surface 32 of the floor panel 31 have substantially the same height. Finishing materials such as carpets and floor mats (not shown) are placed on the upper surface 43 of the lid 32 and the lid body 41. Here, the flange 42 corresponds to the engaging portion of the lid in the claims.

The support leg 11, joist 21, the floor panel 31, and the lid 41 constitute a floor structure having a space for accommodating wiring and piping materials. It is arranged on the ground floor 1 at a position as shown in FIG.

Next, the operation of the floor structure having the space for accommodating the wiring / piping material of the present embodiment constructed as described above will be explained. In the floor panel 31, since the flange 42 of the lid body 41 is engaged with the notch groove 33 at the end portion of the adjacent floor panel 31, and the lid body 41 is attached to the joist 21 through the flat head screw 51, Horizontal movement is restricted. Further, in the floor panel 31, the flange 42 of the lid 41 is engaged from above in the notch groove 33, and the lid 41 is joined from above from the joist 2
Since it is attached to No. 1, the upward movement is restricted. As a result, the floor panel 31 does not come off from the joist 21 even if left or right vibration or shock is applied, and therefore it is completely safe.

Here, the floor panel 31 of the first embodiment described above.
Can also be as shown in FIG. In the figure, the floor panel 31 has a large number of ribs 34 on the back surface in the direction orthogonal to the joist 21 and is flexible in the longitudinal direction of the joist 21 and has rigidity in the direction orthogonal thereto. Is. When this floor panel 31 is used, as shown in FIG. 7, joists 2 arranged at a predetermined interval on the base floor surface 1.
Even if the ones are arranged in different inclined states in the longitudinal direction, the floor panel 31 bridged between the joists 21 can be flexed due to its flexibility, and the floor surface can be configured with necessary rigidity.

Further, the floor structure having the space for accommodating the wiring / piping material in the first embodiment may be the one shown in FIG. In the figure, the joist 21 is not one in which the lid mounting member 27 is housed in the upper housing portion 26 as in the above embodiment, and the elongated hole 22b is not formed in the horizontal plate portion 22. On the other hand, on the back surface of the lid body 41, an engaging portion 45 having an engaging claw 45a at its tip is provided so as to project over the entire length, and the engaging claw 45a of the engaging portion 45 is the joist 21. It engages with the engaging claw 25a of the standing plate portion 25.

Also in this embodiment, in the lid 41, the engaging claws 45a of the engaging portions 45 thereof are engaged with the engaging claws 25a of the standing plate portions 25 of the joist 21 and are held by the joist 21. Therefore, it does not move horizontally and upward. As a result, the floor panel 3 engaging with the flange 42 of the lid 41
1 does not come off due to vibration or impact either in the horizontal direction or in the upper direction. In this example,
Since the lid attachment member 27 is unnecessary, the lid 41 can be easily and inexpensively attached to the joist 21.

<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. 9 and 10. In the figure, joist 21
Is provided on both edges of the horizontal plate portion 22 in a vertically upward direction.
c is erected up to the full length. 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 figure, the bottom of the floor panel 31 with which the tip of the support strip 22c abuts has a flat bottom surface. However, for example, a U-shaped cutout groove is formed on the bottom surface, and the support strip is provided on the inner bottom surface thereof. The tip of the portion 22c may be in contact. The tip of the support strip 22c and the tip 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 of a predetermined size is provided between the flange 42 of the lid 41 and the joist 21. That is, the floor panel 31 is the joist 2
By abutting the one end of the support strip 22c and each end of the flange 42 of the lid 41, the tip end of the support strip 22c can be tilted in the vertical direction. Therefore, according to this embodiment, it is easy to deal with the inclination or unevenness of the ground floor 1.

As shown in FIG. 11, the supporting strip 22c may have an elastic member 29 such as rubber fitted on the tip thereof. In this case, the tip end of the support strip 22c can be protected, and the elastic material 29 itself can absorb a slight inclination and unevenness, and the rattling and noise of the floor panel 31 during walking can be generated. Can be prevented.

Also in this second embodiment, the floor panel 31 is used.
Is a joist 2 on the back surface as shown in FIG.
1 having a large number of ribs 34 in a direction orthogonal to 1
May have flexibility in the longitudinal direction and rigidity in the direction orthogonal thereto.

By the way, the lid 41 of each of the above-mentioned embodiments is attached to the joist 21 by the flat head screw 51 or the engaging portion 45, but in the case of carrying out the present invention, it is not limited to these means. However, any means may be used as long as the lid 41 can be attached to the joist 21 from above.

In each of the above embodiments, the support strip 22c of the joist 21, the engaging recess 23a of the hanging plate 23, the engaging claw 25a of the standing plate 25, the cutout groove 33 of the floor panel 31, and the lid. The flange 42 and the engaging portion 45 of the body 41 are formed along the joist 21 along the entire length thereof, but may be partially formed at a predetermined interval.

[0025]

As described above, the wiring of the invention of claim 1
In a floor structure having a space for accommodating piping material, a floor panel is installed between adjacent joist members, and a lid body engages with both cutout grooves of the adjoining floor panels with the joist member sandwiched in its engaging portion. However, it is attached to the joist member from above. Therefore, 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 even if it is vibrated in either the left or right direction or the vertical direction, which is completely safe.

According to a second aspect of the present invention, there is provided a floor structure having a space for accommodating wiring and piping materials, wherein the joist member according to the first aspect is a cutout groove of a floor panel in a supporting strip that is erected upward. The floor panel is tiltably supported by the engaging portion of the lid body, which is in contact with the bottom portion substantially vertically below.
Therefore, in particular, it is possible to install the base floor easily and easily in response to inclination or unevenness.

[Brief description of drawings]

FIG. 1 is a vertical cross-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 the floor panel and the lid of FIG. 1 are arranged on a base floor surface.

FIG. 4 is a perspective view showing the floor panel of FIG. 1.

5 is a perspective view showing the lid body of FIG. 1. FIG.

FIG. 6 is a perspective view showing another floor panel of FIG. 1.

FIG. 7 is a side view showing a state where the joists of FIG. 1 are inclined differently in the longitudinal direction.

FIG. 8 is another wiring / wiring in the first embodiment of the present invention.
It is a longitudinal cross-sectional view showing a floor structure having an accommodation space for piping materials.

FIG. 9 is a vertical cross-sectional view showing a floor structure having a space for accommodating wiring and piping materials 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 materials according to a second embodiment of the present invention.

FIG. 11 is a vertical cross-sectional view showing a floor structure having another wiring / piping material accommodating space in the 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]

 DESCRIPTION OF SYMBOLS 1 Base floor surface 11 Support leg 21 joist 22c Support strip 31 Floor panel 33 Notch groove 41 Lid 42 Flange

Claims (2)

[Claims] 1. A joist member which is erected by a support leg and is arranged on the base floor surface at a predetermined interval, and a joist member which is installed between adjacent joist members, and a notch groove is formed on the upper surface along the joist member. Floor panel and an engaging portion that engages with the cutout groove of the floor panel, and the engaging portion engages with both cutout grooves of the adjacent floor panels with the joist member sandwiched between them and the joist member from above. A floor structure having a space for accommodating wiring / piping material, characterized in that the floor structure comprises an attached lid. 2. The joist member has a support strip that is erected upward and abuts on a bottom portion of the floor panel that is substantially vertically below the cutout groove, and the floor panel can be tilted by the engagement portion of the lid. The floor structure having a space for accommodating the wiring / piping material according to claim 1, which is supported.