JP3489778B2 - Concrete bundle - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a concrete floor bundle used when a concrete panel is supported on the ground to form a floor surface.

[0002]

2. Description of the Related Art Conventionally, in a first-floor floor set such as a house, a wooden bundle is erected on a pile of stones appropriately arranged on the ground or soil concrete, and a large pull, joist, floorboard or There was a floor panel. In recent years, steel bundles suitable for system decks have also been used. As the steel bundle, for example, there is a basic metal piece disclosed in Japanese Utility Model Publication No. 3-9410. In this basic metal fitting, a support rod is screw-fitted to the upper surface of the base metal fitting to stand upright, a level metal fitting is reversely screwed to the upper end of the support rod, and an anchor projecting on the lower surface of the base metal fitting. Are integrally formed by embedding in the block hole of the base block. And, when the floor assembly is constructed, a large pull is put on the level metal fitting, and therefore the level adjustment is performed by rotating the support rod, that is, the upper end of the support rod is closed by the large pull. Therefore, it is necessary to adjust the rotation at a position below the large pull after installing the large pull or building the floor.

[0003]

However, the conventional method of supporting a wooden part such as a large pulling stone with a bundle of stones and a wooden bundle or a steel bundle is often damaged by termites and decaying fungi, and causes a squealing floor and a falling floor. However, such defects are likely to occur, and the construction is complicated and complicated, which causes a cost increase. Also, either wooden or steel bundle method,
Even with the construction method, it is not possible to adjust the floor level from the top of the floor, and if this level adjustment is done after building the floor, it must be done under the floor. In that case, level adjustment cannot be performed easily and precisely. was there.

The present invention has been made in order to solve the above-mentioned conventional problems, and the purpose thereof is to provide a concrete panel which does not require construction of large pulls or joists. There are corners and corners on each of the four corners and locking parts that project from the corners are used, and such concrete panels are supported on the ground by simple construction, making it easy and precise even after building the floor surface. The purpose is to provide a concrete bundle that can be adjusted in level, has a simple structure, is of consistent quality, and is easy to handle.

[0005]

In order to achieve the above object, in the concrete bundle according to the invention of claim 1, a rectangular concrete panel is factory-produced in advance, and when this concrete panel is laid out in a grid pattern. A corner drop surface is provided so as to create a through hole centering on the intersection of the two sides, and a locking piece protruding from the corner drop surface is provided, and the locking piece is locked in the through hole. It is a concrete bundle designed to form a floor surface with the concrete panel by holding it on the ground, and an insert is embedded so that a screw hole is opened in the upper end surface and the lower end surface can be installed on the ground A block made of concrete and a shaft lower part are formed on a screw shaft screwed into a screw hole of the block, and a screwdriver tool engaging portion is provided at the upper end portion of the shaft and an intermediate portion of the shaft is provided. A bundle main body composed of a level adjusting portion having a double receiving protrusion, and a wall portion that fits into the through hole and corresponds to each corner drop surface, and the locking groove that opens at the upper end is formed in the wall portion. A connector provided at a position corresponding to the locking piece and rotatably locked to the load receiving projection in a state where the bottom part supporting the wall part penetrates the shaft upper part of the level adjusting part. It is characterized by having.

The concrete bundle according to a second aspect of the present invention is the concrete bundle according to the first aspect, wherein the locking portion of the screwdriver is from the upper end portion of the level adjusting portion and the joint bottom portion of the level adjusting portion. It is characterized in that it is arranged at two places of the protruding position of.

A concrete bundle according to a third aspect of the present invention is characterized in that, in the concrete bundle according to the first aspect or the second aspect, a cover is provided to cover the upper end of the through hole.

[0008]

In the concrete bundle according to the first aspect, the bundle main body is placed vertically and horizontally on the ground at a predetermined interval, and the concrete panel chamfered surface is aligned with the four corners of the outer wall of the connector provided in the bundle main body. The concrete panel can be supported on the floor baseboard by dropping the locking pieces protruding from the corner drop surfaces so as to match the locking grooves. Since the concrete bundle supports each corner of each concrete panel at the center point where each one of the four concrete panels has one corner surface gathered at one point, by extending it vertically and horizontally A floor can be formed. In the above supporting state, the upper part of the through hole between the concrete panels appears above the connector, and the locking part of the screwdriver provided in the level adjusting part is in the projecting state in the through hole, so the upper part of the through hole The screwdriver can be inserted through the screwdriver, the locking portion of the screwdriver can be rotated, and the screw shaft can be moved back and forth with respect to the insert to move the connector up and down to adjust the floor level. That is, the floor level can be adjusted from above the floor surface.

According to the second aspect of the present invention, the locking portions of the screwdriver are arranged vertically above and below the floor, and the level can be adjusted from above the floor or from below the floor. In addition, even after flooring, the locking part of the screwdriver is exposed by peeling or removing the position of the connector, so the floor level can be adjusted before and after the completion of the building, at any time, and from above or below the floor. Can be done.

In the third aspect of the present invention, a concrete floor is laid, the level of the floor surface is adjusted, and the upper end of the through-hole is covered with a lid, so that a safe floor surface without dents can be formed. . The same applies when floor finishing is performed with a carpet or the like.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings. 1 is a perspective view showing a part of a floor assembly on the first floor of a house according to the first embodiment of the present invention, FIG. 2 is a plan view showing a concrete panel used for the floor assembly of the same, and FIG. 3 is a concrete panel of the same. FIG. 4 is a cross-sectional view taken along line AA of FIG. 2, and FIG. 5 is a cross-sectional view showing the concrete bundle.

In the figure, 1 is a concrete panel, and 2 is a concrete bundle. First, the concrete panel 1 will be described. The concrete panel 1 forms a floor surface of a floor assembly in a house, and is manufactured in advance in a factory with a highly accurate formwork and under sufficient process control. This concrete panel 1 is formed in a square shape (one side is 1000 mm and a thickness is 60 mm in the present embodiment), and concave corners 11 having a quarter circumference are provided at the four corners. The corner drop surface 11 is formed so that the center point of the arc is on the straight line connecting the corners of the four sides and is perpendicular to the upper surface 12. Four concrete panels 1 are provided, and their corners are at one point. When they are arranged so as to aggregate, a through hole 11a having a predetermined size centered on the aggregation point is created.

This concrete panel 1 has a counterbore 13 which is concentric with the corner drop surface 11 only on the upper surface 12 side.
Is provided. Further, an insert 15 for opening the female screw portion 14 is provided at a position where a straight line connecting the four corners passes (in a direction of 45 degrees with respect to each side), and a slinging insert 16 is embedded at a central position of the upper surface 12. . In the figure, 17 is a reinforcing bar for connecting the inserts 15 on the side of the declining surface 11, and 18 is a mesh-shaped reinforcing bar provided on the pulling side. Further, 19 is a bolt as a locking piece,
It is screwed into the female screw portion 14 to be in a protruding state from the corner drop surface 11.

Next, the concrete bundle will be described. The concrete bundle 2 is arranged so as to support the corner portions of the concrete panel 1, and the bundle body 2
It is formed by a and a joint tool 2b. The bundle body 2a
Is made of concrete in the shape of a truncated cone so that it can be installed on the ground in advance by a highly accurate formwork at the factory and with sufficient process control.
The insert 20 is embedded so that the opening 0a is opened.

A level adjusting portion 26 is provided on the support shaft 24 of the bundle main body 2a, and a screw shaft portion 24a screwed into the screw hole 20a of the insert 20 is provided at the lower portion of the support shaft 24. Stopper 2 as a load receiving protrusion
5 is provided integrally with the shaft intermediate portion, the screwdriver tool engaging portion 26a is provided on the shaft upper end portion, and the screwdriver tool engaging portion 26b is provided on the side surface of the stopper 25, and the screw shaft portion 24a is provided.
The height of the support shaft 24 is adjusted by adjusting the screwing amount. Incidentally, the locking portion 26a of the screwdriver,
26b has a shaft upper end formed for a box spanner and a side surface of the stopper 25 formed for a spanner (having a width across flats) (the shaft upper end is formed for a plus or minus screwdriver, or a spanner). May be).

The joining tool 2b is formed of a steel plate in the shape of a circular cup having a radius substantially the same as the radius of the chamfered surface 11 and having an open upper end.
Locking grooves 22 are provided at positions that divide the circumference of the circle into four equal parts such that the upper ends of the peripheral walls 21 are opened. Then, the bottom portion 23 provided integrally with the peripheral wall 21 of the joining tool 2b has a setting hole 23a at the center thereof,
By inserting the setting hole 23a from the upper end of the support shaft 24, the connector 2b is placed on the stopper 25. Reference numeral 29 is a shaft portion of a fitting portion, and the setting hole 23a is set to a larger hole diameter than a normal bolt assembly hole diameter so that the horizontal position can be adjusted with respect to the shaft portion 29. . Further, 29a is a male screw portion provided on the upper portion thereof, and 29b is a nut finally fixed.

In the figure, 27 is a lid having a radius substantially the same as that of the spot facing portion 13, and 28 is a solid base upper surface.

Next, the construction method will be described with reference to FIG. First, the concrete bundles 2 are respectively arranged at the marking positions on the upper surface of the solid foundation, which are provided in advance, and the level adjusting sections 26 adjust the level of the entire joining tool 2b. In this case, a box wrench is inserted into the engaging portion 26a at the upper end of the support shaft 24 from above the joining tool 2b, or a wrench is inserted into the engaging portion 26b below the joining tool 2b from the horizontal direction to attach the screw shaft portion 24a. The height of the fitting 2b is adjusted to a certain level by rotating the fitting 2b by rotating it in the direction of unscrewing to raise the fitting 2b or by rotating the screw shaft portion 24a in the direction of screwing in and lowering the fitting 2b. In addition, the direction of the locking groove 22 is a rectangular line (45 degrees with respect to the laying direction of the concrete panel 1).
Direction).

Next, the concrete panels 1 are spread, and in this case, bolts 19 of a predetermined length are screwed into the inserts 15 at the four corners in advance as locking portions and the bolts 19 are made to project at appropriate lengths. An eyebolt (not shown) may be screwed into the insert 16 on the upper surface 12, and the eyebolt may be lifted and a hook of a transporting machine may be hooked to carry it onto the concrete bundle 2. In this case, the four sides are unwound so as to be aligned with the four concrete bundles, and the bolt 19 is inserted into the locking groove 22 from the upper end opening position of the peripheral wall 21. The peripheral wall 21 of the joining tool 2b is occupied by 1/4 at a stage where one concrete panel 1 is locked to this one concrete bundle 2, and around the joining tool 2b when four concrete panels 1 are locked. Are all closed, and the connector 2b
The four bolt heads project inside. The counterbore 13 provided on the upper end of the corner surface 11 forms a concentric counterbore 13a around the upper end of the connector 2b.

Then, the concrete panels adjacent to each other are spread from one end side so that there is no gap between them, and the bolts 19 are temporarily or finally tightened. Also,
At this time, when the concrete panels 1 are inclined in a mountain shape or a valley shape, the support shaft 24 for level adjustment is used for adjustment. By laying all the concrete panels 1 and adjusting the whole level again if necessary, by covering the spot facing 13a with the lid 27, it is possible to construct a floor set having a flat floor surface with no gaps. it can. In addition, when the final level adjustment is completed, mortar or the like may be filled in the joining tool 2b and fixed integrally.

The level adjusting function of the concrete bundle 2 will be described. By forming the floor surface with the concrete panel 1, the locking portion 26a and the locking portion 26b in the level adjusting portion 26 can be vertically divided with the floor surface as a boundary,
On the floor, the box wrench can be inserted into the engaging portion 26a at the upper end of the support shaft from above the joining tool 2b, or under the floor, the wrench can be inserted into the engaging portion 26b below the joining tool 2b. In any of these states, the support shaft 24 is rotated in the returning direction to raise the joining tool 2b, or the supporting shaft 24 is rotated in the screwing direction to lower the joining tool 2b, thereby increasing the height of the joining tool 2b. It can be adjusted to a certain level.

As described above, the arc-shaped declining surface 11 is provided at each of the four corners, and the insert 1 inside the declining surface 11 is formed.
In the case of the concrete panel 1 provided by screwing the bolts 19 as locking portions to the concrete 5, in the concrete bundle 1 of the first embodiment, the corner drop surface is provided on the cylindrical connector 2b provided on the upper part thereof. It can be fixed simply by tightening the bolts 19 of 11 and thus the joint panel 2b is shared by four concrete panels and the concrete panel 1 is extended in a grid pattern to easily construct the floor surface. I can go.

Further, since the joining tool 2b is divided into the upper and lower parts of the fixed concrete panel and the locking parts 26a of the screwdriver in the level adjusting part 26 are arranged respectively,
In this case, the level adjustment after forming the floor surface with the concrete panel 1 is performed by inserting a box wrench into the engaging portion 26a at the upper end of the support shaft 24 from above the joining tool 2b or below the floor surface from above the floor surface. Inserts a wrench into the engaging portion 26a below the connector 2b from the horizontal direction and rotates the support shaft 24 in the returning direction to raise the connector 2b or the support shaft 24.
Is rotated in the direction of screwing in to lower the connector 2b.
In this way, the height of the connector 2b can be adjusted to a constant level regardless of the presence or absence of the floor surface. Therefore, by performing the level adjustment at any stage of the floor surface construction, the floor with a precise level can be obtained at all times. A surface can be provided.

Since the concrete panel 1 is directly supported on the ground to construct the floor surface, wooden pulling, joists, floor base materials, etc. are not required, and "damage by termites and decay fungi" peculiar to the wooden flooring is unnecessary. Moreover, it is possible to eliminate the drawbacks such as "floor rises and fall floors". Further, it is possible to eliminate the cost increase factor due to the complexity and complexity of the construction using the wooden structure and to keep the quality constant.

Further, since the construction can be executed only by simple procedures and works, it is possible to obtain constant accuracy and rationalize the work. Moreover, since the concrete bundle 1 gathers the four corners of the concrete panel and fixes only the gathering points evenly, the structural stability and durability are improved, and the simplified shape of the fixing part and With a simple fixing method or the like, it is possible to obtain effects such as cost advantages.

Next, a second embodiment will be described. FIG. 7A and FIG. 7B are explanatory views showing an assembled state using the connector 3 of the present embodiment. In the present embodiment, the same components as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted. The joining tool 3 according to the present embodiment includes a first joining member 3b having substantially the same shape as the circular joining tool 2b described in the first embodiment.
It is characterized by having a second joining member 3a that provides a step on the floor surface. The second joint member 3a has one shape in which the first joint member 3b is vertically divided into two parts from the center of the arc, and the engaging groove 22 is arranged at a position of 45 degrees from both ends. Has been done. The peripheral wall 30 is continuous through a circular peripheral portion and a planar peripheral wall connecting both ends thereof. Further, a through hole 31 is opened at the center of the bottom.

The second joining member 3a is mounted in a state of being placed on the semicircle of the peripheral wall 21 of the first joining member 3b. The first joint member 3b has a bottom portion 32, and a female screw portion 33 is provided at a position facing the through hole 31 of the second joint member 3a placed on the peripheral wall 21. The second joining member 4a is firmly fixed by inserting the bolt 34 into the through hole 31 and screwing the bolt 34 into the female screw portion 33.

In the present embodiment, as shown in FIG. 7 (a), the arc side peripheral wall of the upper second joining member 3a and the non-mounting side of the second joining member 3a of the lower first joining member 3b are attached. By mounting the concrete panel 1 on the peripheral wall portion, it is possible to easily provide a step without a gap on the floor surface. Further, since the first joining member 3b and the second joining member 3a are connected by the bolt 34, the first joining member 3b and the second joining member 3a can be removed by removing the bolt 34.
It is also possible to construct a floor surface having no steps by separating and by using only the first joining member 3b.

Next, a third embodiment will be described with reference to FIG. In the present embodiment, the same components as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted. The present embodiment is characterized in that the connector 4 is formed in a rectangular shape (square), and the declining surface 35 of the concrete panel 1 is formed in a linear shape and at the same angle with respect to two sides. Therefore, the through hole formed by the corner drop surface 35 has a rectangular shape, and the lid covering the through hole also has a rectangular shape.

Although the embodiment of the present invention has been described above, the specific configuration of the present invention is not limited to this embodiment, and there are design changes and the like within the scope not departing from the gist of the invention. However, it is included in the present invention.

The construction order of the floor assembly is arbitrary.

Although the joining tool is formed of a steel plate, it is not limited to this and may be aluminum, casting, reinforced plastic, or a mixture of these.

The support shaft 24 may be a headless screw shaft.
In this case, the stopper 25 may be formed with a double nut, and the level may be adjusted by first turning both nuts, and then the nut below may be tightened to be used as a lock nut.

[0034]

As described above, in the concrete bundle according to claim 1 of the present invention, since the concrete bundle has the above-mentioned structure, the concrete panel forming the floor surface has corner cut-off surfaces at four corners. When using a concrete panel with a locking part in the chamfered surface, it can be fixed simply by locking the locking part of the chamfered surface to the fitting provided on the upper part, and in this way the fitting is The floor panels can be easily constructed by extending the concrete panels in a grid pattern while sharing them with one concrete panel.

To adjust the level after forming the floor surface on the concrete panel, insert a screwdriver from above the floor surface into the engaging portion at the upper end of the shaft from above the connector, and rotate the support shaft in the direction to unscrew it. By raising the tool or lowering the joining tool by rotating the support shaft in the direction in which it is screwed, the height of the joining tool can be easily adjusted to a certain level, and a floor surface with a precise level can be formed.

Since the concrete panel is directly supported on the ground to construct the floor surface, wooden pulling, joists, floor base materials, etc. are not required, respectively, and it is peculiar to the conventional wooden floor assembly "by termites and decay fungi". It is possible to eliminate "damage" and to eliminate defects such as "floor rise and fall". Further, it is possible to eliminate the cost increase factor due to the complexity and complexity of the construction using the wooden structure and to keep the quality constant.

Further, since the construction can be executed only by simple procedure and work, it is possible to obtain constant accuracy and rationalize the work. In addition, since the concrete bundle gathers the four corners of the concrete panel and fixes only the gathering points evenly, structural stability and durability are also improved, and the simplified shape and simple shape of the fixing part The effect of being advantageous in terms of cost can be obtained by various fixing methods.

Further, in the concrete bundle according to a second aspect of the present invention, because of the above-mentioned structure, the joining tool is divided into upper and lower parts of the fixed concrete panel and the locking parts of the screwdriver in the level adjusting part are arranged respectively. Therefore, in this case, when adjusting the level after forming the floor surface with the concrete panel, from above the floor surface, lock the screwdriver from above the connector to the locking part at the upper end of the shaft, or under the floor. Locks the screwdriver from the horizontal direction to the locking part below the connector,
By rotating the support shaft in the direction to return to raise the connector, or rotating the support shaft in the direction to screw in to lower the connector, the height of the connector can be increased at any stage of floor construction. By adjusting to a certain level, it is possible to obtain an effect that a floor surface with a precise level can always be formed.

In the concrete bundle according to the third aspect of the present invention, because of the above-mentioned configuration, the concrete panel is laid, the level of the floor is adjusted, and then the upper end of the through hole is covered with the lid, so that there is no dent. A simple floor surface can be easily formed. Therefore, when floor finishing is performed on the carpet with a carpet or the like, it is possible to easily form a safe floor surface with no dent and a good finish.

[Brief description of drawings]

FIG. 1 is a perspective view showing a part of a floor assembly on the first floor of a house according to a first embodiment of the present invention.

FIG. 2 is a plan view showing a concrete panel used for the floor assembly of the first embodiment.

FIG. 3 is a front view showing the concrete panel according to the first embodiment.

4 is a cross-sectional view taken along the line AA of FIG.

FIG. 5 is a cross-sectional view showing a concrete bundle according to the first embodiment.

FIG. 6 is a perspective view showing a construction state of the floor assembly of the first embodiment.

FIG. 7 is a perspective view showing a construction state of a floor assembly according to a second embodiment.

FIG. 8 is a perspective view showing a construction state of a floor assembly according to a third embodiment.

[Explanation of symbols]

1 concrete panel 2 concrete bundle 2a bundle body 2b, 3,4 connector 3a, 3b First and second joints 11,35 Chamfer 11a through hole 14 Female thread (locking piece) 15 Insert (female screw part) 19 bolts (locking pieces) 20 Insert (Level adjustment part) 20a screw hole 21,30 Peripheral wall (wall part of connector) 22 Locking groove 23 Bottom of connector 24 Support shaft 24a screw shaft 25 stopper 26 Level adjuster 26a, 26b Locking part (level adjusting part) 27 Lid

─────────────────────────────────────────────────── --- Continuation of the front page (56) References JP-A-9-195489 (JP, A) JP-A-8-93195 (JP, A) JP-A-7-286430 (JP, A) Actual development 57- 16547 (JP, U) Actual development Sho 60-23553 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) E04F 15/00-15/024

Claims (3)

(57) [Claims] 1. A rectangular concrete panel is factory-produced in advance, and when the concrete panel is laid out in a grid pattern, a corner drop surface is provided so as to create a through hole centering on the intersection of two sides, and A concrete bundle that is provided with a locking piece that projects from the sloping surface and that holds the locking piece in the through hole and holds it on the ground so that the concrete panel forms a floor surface. Where the insert is embedded in the upper end surface so as to open a screw hole and the lower end surface can be installed on the ground and the block is made of concrete and the lower shaft part is formed on the screw shaft screwed into the screw hole of the block. A bundle main body including a level adjusting portion having a screwdriver tool locking portion at the shaft upper end and a load receiving protrusion at the shaft intermediate portion, and each corner drop surface fitted into the through hole. It has a corresponding wall portion,
A locking groove having an opening at an upper end is provided in the wall portion at a position corresponding to the locking piece, and a bottom portion supporting the wall portion penetrates a shaft upper portion of the level adjusting portion and a load receiving protrusion. A concrete bundle, comprising: a joint tool that is rotatably locked to the. 2. The locking part of the screwdriver is arranged at two positions, that is, the upper end of the level adjusting part and the protruding position of the level adjusting part from the bottom of the connector. Concrete bundle. 3. The concrete bundle according to claim 1, further comprising a lid that covers an upper end of the through hole.