JPH11107494A - Support leg for supporting and reinforcing double-floor and double-floor supporting and reinforcing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify support and reinforcement by a method wherein a large diametral section is formed to the lower section of a cylindrical section by stepped sections, the large diametral section is composed of a fixing member capable of being expanded and contracted in the vertical direction and a rod-shaped leg section, the rod-shaped member is engaged and penetrated to the fixing member and height can be adjusted. SOLUTION: A fixing member 1, which has a cylindrical section 2, in which a large diametral section 4 is formed to the lower section of the cylindrical section 2 by a stepped section 3 and a plurality of slits 6 are cut in the direction of the central axis of the cylinder of the large diametral section 4 and which can be expanded and contracted, is molded. A rod- shaped leg section 9, in which a female screw 10 for screwing with the fixing member 1 is cut on the outside and an upper end face section has a recessed section 11 for screwing and rotation, is molded, and a cushioning material 12 is installed onto the lower end face of the rod-shaped leg section 9. When the fixing member 1 is pushed into the through-hole of a floor board 14, the stepped section 3 of the large diametral section 4 is projected under the floor board 14 and fixed by a collar section 5, and the rod-shaped member 9 is screwed and fastened to the fixing member 1 while being turned. Accordingly, the execution of works can be carried out simply, even after the double-floors are lined.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a support leg for supporting or reinforcing a double floor and a method for supporting or reinforcing a double floor. More specifically, the present invention relates to a support leg for supporting or reinforcing the double floor simply and reliably after the double floor is put up, and a method of supporting or reinforcing the double floor.

[0002]

2. Description of the Related Art In general, the floor of a concrete house, such as an apartment house, is usually constructed by installing a water pipe, electric wiring, etc. on a concrete base floor, and then installing the water pipe, usually 120 to 150 meters above.
It has a double floor structure with a wooden floor at millimeters.

[0003] As for this double floor structure, for example,
A dry laying method is known. JP-A-3-17348 discloses a combination of a support block group (FIG. 9) having a vertically adjustable receiving plate at the upper end of a rod-shaped leg and a fixed-size rectangular floor panel group having a hole on the center line of a rectangular side. A dry floor placement method to be performed, wherein support blocks are arranged at a predetermined pitch on the floor surface, and the floor panels arranged at predetermined intervals are supported by the support blocks on the edges and the center line of the rectangular side. Is disclosed.

[0004] That is, as shown in FIG.
In this method, a support block (51) having 2) is arranged on a base floor, and a floor panel (53) is mounted thereon as shown in FIGS. In this method, a joint portion of a floor panel (53) is supported by a support block (51) having a receiving plate.
In addition, the support block (5) is used for a part requiring particularly strong strength such as a partition part or a part for installing a heavy object.
Reinforcement according to 1) is required. Therefore, a procedure is adopted in which a position to be reinforced on a concrete base floor is marked in advance, a support block (51) is installed, and an upper floor panel (53) is stretched.

However, according to the conventional method, it is not easy to reinforce after the double floor (floor panel 53) is stretched. In addition, the mark (usually drawn with a sumi) on the concrete foundation floor may be easily erased because the work personnel walk on the site, and the work site may be dim, so if the points to be reinforced are not reinforced Also, it often happens that the place to be reinforced is wrong.
Further, after the floor panel (53) is stretched, the position of the partition is often changed, and the installation of heavy objects is often determined. That is, after the double floor (floor panel 53) is stretched, it often happens that the floor must be reinforced.

In such a case, conventionally, the floor of the portion to be reinforced is cut out from the floor surface having an area larger than the support plate (52) of the support block, and the support block is inserted from there. I was

[0007]

However, according to the conventional method, the strength of the floor is reduced by peeling off the once-tensioned floor, so that a part which could originally be reinforced with one support block (51) is used for reinforcement. Requires book support legs. That is,
As shown in FIG. 12, a cut floor portion (54) having a certain area is cut out for a portion to be reinforced, a plurality of support blocks (51) are inserted therefrom, and the cut floor portion (5) is cut out.
4) was used.

[0008] Therefore, there is a problem that it takes time and effort to reinforce the floor later, and there is a problem that the strength is lowered and the aesthetic feeling is further impaired by largely removing the floor. Stated another way, it is a difficult task to reinforce the floor with support legs after such a double floor. Conventionally, to avoid this as much as possible,
Before placing a double floor, the locations of all partitions, installation of heavy loads, and other locations requiring reinforcement are carefully determined. However, still, as described above, it is often the case that the position of the partition is later changed or it is determined that a heavy object is to be placed, and furthermore, the position to be supported cannot be determined in advance. Yes, part of the upper floor (5
The inefficient process of cutting out and reinforcing 4) had to be taken.

[0009] The present invention has been made to solve these problems, and the invention according to claim 1 does not remove the upper floor even after the double-floor structure is installed. It is an object to provide a double-floor support leg that allows easier and more reliable support or reinforcement than the upper part.

According to a second aspect of the present invention, in addition to the object of the first aspect of the present invention, by forming a flange serving as a stopper, the fixing member is securely engaged with the peripheral edge of the hole of the floor plate. It is an object of the present invention to provide a double-floor support leg which can be stopped and prevented from being pushed into the floor more than necessary.

According to a third aspect of the present invention, in addition to the object of the first or second aspect, a large diameter portion is cut by cutting a plurality of slits in a direction substantially parallel to a cylindrical central axis of the large diameter portion. It is an object of the present invention to provide a double-floor support leg which can easily expand and contract in a direction substantially perpendicular to the cylindrical central axis.

According to a fourth aspect of the present invention, in addition to the objects of the first to third aspects, a female screw is formed on an inner diameter portion of the fixing member and a male screw is formed on the rod-shaped leg portion, thereby fixing the fixing member. It is an object of the present invention to provide a double-floor support leg in which a member and a bar-shaped leg portion are screwed together and height adjustment can be performed easily and stably.

According to a fifth aspect of the present invention, in addition to the objects of the first to fourth aspects, the rod-shaped leg has a concave portion or a convex portion for rotating with a screwdriver or the like, so that the height can be adjusted. It is an object to provide an easily supported double floor support leg.

According to a sixth aspect of the present invention, in addition to the objects of the first to fifth aspects, a groove for inflow of an adhesive is provided on the inner surface of the fixing member so that the fixing member after the height adjustment is completed. It is an object of the present invention to provide a double-floor support leg that can easily and reliably fix a bar-shaped leg.

According to a seventh aspect of the present invention, in addition to the objects of the first to sixth aspects, a cushioning material is attached to a lower end surface of the bar-shaped leg, so that a walking sensation of a person walking on the floorboard becomes soft. It is an object of the present invention to provide a double-floor support leg capable of absorbing a slight inconsistency in the concrete foundation floor surface and having a large noise-reducing effect.

According to an eighth aspect of the present invention, in addition to the objects of the first to seventh aspects, an opening is provided in the upper surface and the lower side wall of the rod-shaped leg, and both openings are electrically connected.
It is an object of the present invention to provide a double-floor support leg capable of adhering adhesive from the upper opening and flowing out from the lower side wall opening to bond and fix the bar-shaped leg and the concrete foundation floor.

According to a ninth aspect of the present invention, in addition to the objects of the first to eighth aspects, the length of the rod-shaped leg is appropriately adjusted by connecting the rod-shaped leg to the extension leg. It is an object to provide a double-floor support leg that can be used.

According to the tenth aspect of the present invention, even if a double-floor structure floor is stretched, the double-floor floor can easily and reliably support or reinforce the upper floor without peeling off the upper floor. It is an object of the present invention to provide a method of supporting or reinforcing the above.

According to an eleventh aspect of the present invention, in addition to the object of the tenth aspect, by including a step of pouring an adhesive between the fixing member and the rod-shaped leg portion, the fixing member and the rod-shaped leg portion are strengthened. It is an object to provide a method of supporting or reinforcing a double floor that can be fixed to a floor.

[0020]

According to a first aspect of the present invention, there is provided a cylindrical member having a large diameter portion having a step below the cylindrical portion. A large-diameter portion is composed of a fixing member capable of extending and contracting in a direction substantially perpendicular to the central axis of the cylinder, and a rod-shaped leg, and the height can be adjusted by engaging the rod-shaped member with the fixing member and penetrating therethrough. It is a support leg for double floors characterized by doing.

According to a second aspect of the present invention, in addition to the structure of the first aspect of the present invention, a collar portion is formed outwardly on a peripheral edge of an upper end of the cylindrical portion of the fixing member. It is a double floor support leg.

According to a third aspect of the present invention, in addition to the configuration of the first or second aspect, in the fixing member, at least a large diameter portion has a plurality of slits cut in a direction substantially parallel to the central axis of the cylinder. It is a support leg for double floors characterized by having.

According to a fourth aspect of the present invention, in addition to the configuration of any one of the first to third aspects, a female screw is formed in the inner diameter portion of the fixing member, and a male screw is formed in the rod-shaped leg portion. It is a support leg for double floors characterized by having.

According to a fifth aspect of the present invention, in addition to the structure of any one of the first to fourth aspects, a concave or convex portion for screwing and rotating is provided at an upper end portion of the rod-shaped leg portion. It is a support leg for double floors characterized by the above-mentioned.

According to a sixth aspect of the present invention, in addition to the configuration of the first aspect of the present invention, an adhesive for flowing the adhesive in a direction substantially parallel to the central axis of the cylinder on the inner surface of the fixing member. A double-floor support leg having one or more grooves.

According to a seventh aspect of the present invention, in addition to the configuration of the first aspect, a cushion member is attached to a lower end surface of the rod-shaped leg. This is a double-floor support leg.

According to an eighth aspect of the present invention, in addition to the configuration of any one of the first to seventh aspects, an opening is provided in an upper surface and a lower side wall of the rod-shaped leg, and the two openings are provided. It is a supporting leg for double floors, characterized in that the parts are conducting.

According to a ninth aspect of the present invention, in addition to the constitution of any one of the first to eighth aspects, the rod-shaped leg is connected to an extended leg. It is a floor support leg.

According to a tenth aspect of the present invention, there is provided a method for supporting or reinforcing a double floor, wherein a hole having substantially the same size as the cylindrical portion of the fixing member is formed at a place where the double floor is to be supported or reinforced. The step of fitting the fixing member into the hole, the step of passing the rod-shaped leg through the fixing member, and thereby adjusting the length so that the upper floor is supported. This is a reinforcement method.

According to an eleventh aspect of the present invention, in addition to the configuration of the ninth aspect of the present invention, in order to fix the fixing member and the rod-shaped leg, an adhesive is provided between the fixing member and the rod-shaped leg. A method for supporting or reinforcing a double floor, comprising a step of pouring an agent.

The present invention provides a double-floor support or reinforcing support leg and a double-floor support for enabling support or reinforcement without removing the floor even after the floor of the double-floor structure is set up. A floor support or reinforcement method is provided. That is, if it is necessary to reinforce a certain part after the double floor has been stretched, first make a hole to fit the fixing member in the part where the floor needs to be reinforced, and fit the fixing member there. This is lowered to the foundation floor through the rod-shaped legs, and fixed in that state. This makes it possible to easily support or reinforce the floor only by making a small hole for fitting the fixing member. According to the present invention, there is no need to provide a large opening for accommodating the support block as in the conventional method using a support block having a receiving plate. This makes it possible to support or reinforce the floor without removing the floor or cutting out a certain area even after the floor having the double floor structure is stretched.

The present invention is not used only for new construction. For example, a building that has been used for many years and is deteriorated often causes floor boards to bend and squeak. By using the present invention, it is possible to easily and inexpensively carry out the above-mentioned repairs, increase or decrease in the number of rooms, and change the layout of renovations.

[0033]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a fixing member 1 according to the present invention.
FIG. A large-diameter portion 4 is formed with a step 3 below the cylindrical portion 2 and a plurality of slits 6 are cut in a direction substantially parallel to the central axis of the large-diameter portion 4. This allows the large diameter portion to expand and contract in a direction substantially perpendicular to the central axis of the cylinder. Further, a flange portion 5 is formed on an outer peripheral portion of the upper end of the cylindrical portion so as to face outward.
The flange portion 5 functions as a stopper, so that the fixing member is securely locked to the peripheral portion of the hole of the floor plate, and can be prevented from being pushed into the floor more than necessary. A female screw 7 is cut in the inner diameter portion, and a groove 8 for inflow of the adhesive is provided in a direction substantially parallel to the central axis of the cylinder.

FIG. 2 is a view showing the rod-shaped leg 9 in the present invention. A female screw 10 for screwing with the fixing member is provided on the outside, and a concave portion 11 for screwing rotation is provided on an upper end face portion. This may be a hexagonal recess for a hexagon wrench, or a “+” or “−” shape for using a screwdriver. The tip itself may be formed in a hexagonal shape or the like so that it can be screwed and rotated with a wrench or the like.

Further, a cushion member 12 is attached to the lower end surface. The cushioning material 12 softens the walking feeling of a person walking on the floorboard, and can also absorb any inconsistency in the concrete foundation floor surface, and also has a great sound-muffling effect. The material of the cushioning material is preferably rubber or the like, but is not limited thereto.

The fixing member 1 and the bar-shaped leg 9 are connected to each other as shown in FIG.
Thus, a double-floor support leg is constructed by combining the above. The construction method for that will be described below. First,
A hole having substantially the same diameter as the cylindrical portion 2 of the fixing member 1 is formed in a portion of the double floor to be supported or reinforced. Further, the upper portion of the hole is expanded to have substantially the same diameter and the same thickness as the flange so that the flange 5 can be accommodated. That is, a through-hole 13 as shown in FIG.

Next, the fixing member 1 is fitted into the right through hole 13. At this time, in order to securely fix the fixing member 1 to the floor plate 14, the fixing member 1 is selected so that the total thickness of the cylindrical portion 2 and the flange portion 5 is equal to the thickness of the floor plate 14. If there is no practical problem even if the thickness of the flange portion 5 protrudes above the floor plate 14, the cylindrical portion 2 and the floor plate 1
4 having the same thickness may be selected. In that case, the through-hole 13 only needs to have a diameter substantially the same as that of the cylindrical portion 2.

The fixing of the fixing member 1 is performed according to the procedures shown in FIGS. That is, first, the large-diameter portion-side end of the fixing member 1 is pressed against the through hole 13 (FIG. 4B). Since the large-diameter portion 4 can expand and contract in a direction substantially perpendicular to the central axis of the cylinder, if the large-diameter portion side of the fixing member 1 is pressed against the through-hole 13 and a force is applied from above, the large-diameter portion 4 moves inward. It contracts and enters the hole (FIG. 4 (c)). When the member is further pushed in, the step 3 of the large-diameter portion 4 comes out below the floor plate 14, so that the large-diameter portion spreads due to the restoring force, and the fixing member 1 is fixed to the floor plate 14 (FIG. )). At this time, the collar portion 5 plays a role of a stopper, so that the fixing member is prevented from entering the inside of the through hole 13 more than necessary. This step is actually performed in a state where the fixing member 1 is pressed against the through hole 13 (FIG. 4).
In (b)), it can be realized very easily by the operator stepping on the foot.

At this time, in order to fix the fixing member 1 firmly and prevent rotation, a round hole is provided in the flange portion 5 and the floor plate 14 is fixed.
Can also be fixed with screws or nails. Further, in order to prevent the rotation of the fixing member 1, a large number of "thorns"
Shaped, convex or "streak" shaped projections can also be provided.

Next, as shown in FIG. 5, the rod-shaped leg 9 is passed through the right fixing member 1. This makes it impossible for the large-diameter portion 4 to contract inward, and the fixing member 1 no longer slips off the floor. The fixing member 1 and the rod-shaped leg 9
Since the female screw and the male screw are respectively cut, it can be adjusted to an arbitrary position by screwing while turning the rod-shaped member 9. In this way, the lower part of the bar 9 (often with the cushioning 12 attached) is adjusted to reach the base floor, so that the floor plate 14 is supported by the bar 9. As a result of the adjustment, when the upper part of the rod-shaped leg 9 is protruded on the floor plate 14,
The part is cut with a saw or the like. Thereafter, the adhesive flows in from the adhesive inflow groove 8 to firmly fix the fixing member and the bar-shaped leg. As a result, as shown in FIG. 3, the double floor 14 is supported or reinforced by the double floor support leg 15 including the fixing member 1 and the bar-shaped leg 9 (FIG. 6).

Further, as shown in FIG. 7, an opening is provided in the upper surface and the lower side wall of the rod-shaped leg 9, and an adhesive is formed from the upper opening 16 by using a conductive material between the two openings. Etc., and flow out from the lower side wall opening 17,
The rod-shaped legs 9 and the concrete foundation floor can also be bonded and fixed. In addition, as shown in FIG. 8, the rod-shaped legs 9 may be connected to the extension legs 18 by engagement.
An extension leg having an arbitrary length can be further attached to the lower end face of the extension leg, and the cushion member 12 can be attached. Thereby, the length of the rod-shaped leg can be appropriately adjusted.

[0042]

According to the present invention, that is, by using the double floor support or reinforcing support leg and the double floor support or reinforcement method, the support or reinforcement by the support leg can be achieved even after the double floor is stretched. It becomes possible. According to the invention, the double floor has
It is only necessary to make a hole substantially equal to the diameter of the cylindrical portion of the fixing member, and one support leg is sufficient. Therefore, it is far superior to the prior art in terms of labor, cost, and aesthetics.

Further, according to the present invention, it is easy to insert the support legs even after the double floor is put up. Therefore,
It is not necessary to position all the supporting legs in advance, and a double floor can be set up using only the basic supporting legs. Thereafter, if necessary, the support leg may be inserted at that location each time.

As described above, according to the present invention, it is possible to easily support or reinforce a floor having a double floor structure without peeling or cutting off the floor, and to minimize the floor. A new construction method of installing a double floor, in which a double floor is first stretched using only the supporting legs, and then the supporting legs are inserted as necessary, is also possible.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example of an embodiment of a fixing member of the present invention.

FIG. 2 is a perspective view showing an example of an embodiment of a rod-shaped leg according to the present invention.

FIG. 3 is a partial cross-sectional perspective view showing a state in which an upper plate of the double floor is supported by a double floor support leg including the fixing member of FIG. 1 and the bar-shaped leg of FIG. 2;

FIG. 4 is a cross-sectional view showing a state where the fixing member is fitted to the double floor.

FIG. 5 is a cross-sectional view showing a state where a rod-shaped leg is penetrated by a fixing member.

FIG. 6 is a perspective view showing a state in which the double floor is supported by the double floor support legs.

FIG. 7 is a perspective view showing a state in which an adhesive is poured to fix the bar-shaped leg and the concrete foundation floor.

FIG. 8 is a view showing a rod-shaped leg in which an extension leg is engaged and connected.

FIG. 9 is a view showing a support block with a receiving plate in the prior art.

FIG. 10 is a diagram showing a state of double floor support according to the related art.

FIG. 11 is a diagram showing a state of double floor support according to the related art.

FIG. 12 is a view showing a position where a support block is placed after a double floor is stretched in the prior art.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 fixing member 2 fixing member cylindrical portion 3 fixing member step 4 fixing member large diameter portion 5 fixing member flange 6 fixing member slit 7 fixing member inner surface internal thread 8 fixing member adhesive inflow groove 9 rod-shaped leg 10 rod-shaped leg male screw Part 11 Recessed part for rod-shaped leg upper screw 12 Rod-shaped leg cushion material 13 Through hole 14 Double floor upper plate part 15 Double floor support leg 16 Rod-shaped leg upper surface opening 17 Rod-shaped leg lower side wall opening 18 Extended leg 51 Support block 52 Receiving plate 53 Floor panel 54 Cutting floor part

Claims (11)

[Claims] A fixed member having a cylindrical portion, a large-diameter portion having a step formed below the cylindrical portion, the large-diameter portion being expandable and contractible in a direction substantially perpendicular to a central axis of the cylinder; A support member for a double floor, wherein the height is adjustable by engaging and sticking the rod-shaped member through the fixing member. 2. The double-floor support leg according to claim 1, wherein a flange portion is formed on an outer peripheral portion of an upper end peripheral portion of the cylindrical portion of the fixing member. 3. The double floor according to claim 1, wherein the fixing member has a plurality of slits formed in at least a large diameter portion in a direction substantially parallel to a central axis of the cylinder. Support legs. 4. The double-floor support according to claim 1, wherein a female screw is formed in the inner diameter portion of the fixing member, and a male screw is formed in the rod-shaped leg portion. leg. 5. The double-floor support leg according to claim 1, wherein a concave portion or a convex portion for screwing and rotating is provided at an upper end portion of the rod-shaped leg portion. 6. The fixing member according to claim 1, wherein one or more grooves for inflow of an adhesive are provided in the inner diameter surface of the fixing member in a direction substantially parallel to a cylindrical center axis. The double-floor support leg according to claim 1. 7. A cushioning material is attached to a lower end surface of said rod-shaped leg portion.
The support leg for a double floor according to any one of the above. 8. The rod according to claim 1, wherein an opening is provided in an upper surface and a lower side wall of the rod-shaped leg, and the two openings are electrically connected. Support legs for heavy floors. 9. The double-floor support leg according to claim 1, wherein the bar-shaped leg is connected to an extension leg. 10. A method for supporting or reinforcing a double floor, wherein a hole having substantially the same size as the cylindrical portion of the fixing member is formed in a place where the double floor is to be supported or reinforced, and the fixing is performed in the hole. A method of supporting or reinforcing a double floor, comprising the steps of: fitting a member; and passing the rod-shaped leg through the fixing member to adjust the length so that the upper floor is supported. 11. The method according to claim 9, further comprising a step of pouring an adhesive between the fixing member and the rod-shaped leg to fix the fixing member to the rod-shaped leg. Support or reinforcement method for heavy floors.