JP2002191112A - Buried box unit, buried box and buried box fitting bar material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the penetration of concrete when the concrete is placed, and to prevent sidewalls on the opening side of a buried box, etc., from deflecting and deforming inwards owing to an external pressure such as the pressure of concrete placing, by stretching bar materials and strongly pressing the end surface of the opening of the buried box against a mold frame, regardless of the magnitude of the wall thickness of the concrete and the height of the buried box. SOLUTION: The buried box 2 which is buried in concrete and has an opening 5, and the bar materials 11 which are fitted to the buried box 2 and press the opening surface of the buried box 2 against the mold frame with the bar ends fitted to a steel frame 2 which forms a supporting skeleton of a concrete wall, are provided. The bar materials 11 are fitted to the opening 5 side of the sidewall 4 of the buried box 2 along the sidewall 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a buried box device, a buried box, and a bar material for mounting a buried box, which are erected in a concrete such as a slab by being erected on a reinforcing bar forming a support of a concrete wall of a concrete building. Things.

[0002]

2. Description of the Related Art Conventionally, in a burying box apparatus of this type, a burying box buried in concrete such as a slab is prevented from being inclined or displaced by the flow of concrete at the time of placing concrete. As shown in FIG. 21, a bar material 11 which can be bent by hand is attached to the bottom wall 3 of the buried box 2, and this bar material 11 is connected to a reinforcing bar 21 which forms a support of a concrete wall of a concrete building.
, The buried box 2 itself is held between the molds 22. Here, at the time of concrete casting, as shown in FIG. 21, the left formwork 22 is erected and is pressed against the end face 7 of the opening 5 of the burying box 2 so that the bar material 11 bends and the burial box 2 is bent. Retreats rightward, and the formwork 22 and the end face 7 of the opening 5 of the embedding box 2 come into close contact with each other.
At this time, the retraction of the burying box 2 by pressing with the formwork 22 is performed by the bending and deformation of the bar material 11, and no pressing force is applied to the reinforcing bar 21. For this reason,
Since the rebar 21 does not shift from the intermediate position between the molds 22 along the right direction, the strength of the concrete wall does not decrease. In this way, after the formwork 22 is erected, the concrete is prevented from entering the buried box 2 from the gap between the opening 5 and the formwork 22 during concrete placement.

[0003]

However, in the conventional buried box 2, as shown in FIG. 22, when the concrete wall thickness is small and the space between the molds 22 on both sides is small, the bottom wall 3 is It may protrude to the right formwork 22 side beyond the reinforcing bar 21 located between them. Further, even if the wall thickness of the concrete is not small, as shown in FIG. 23, if the height of the buried box 2 itself is large, the bottom wall 3 is over the rebar 21 erected between the formwork 22 on the right side. May protrude. In this case, the portion of the bar material 11 extending outward from the bottom wall 3 of the embedding box 2 is generally installed on the reinforcing bar 21 in a state of being completely extended. In this state, lay the formwork 22 and bury the box 2
Is pressed, the force applied to the bar 11
However, as described above, since the bar material 11 is generally installed on the reinforcing bar 21 in a state of being fully extended as described above, the burying box 2 cannot be retracted and brought into close contact with the formwork 22. Therefore, if the formwork 22 is forcibly pressed against the buried box 2, the rebar 21 will move rightward and come off the intermediate position of the formwork 22, thereby lowering the strength of the concrete wall. For this reason, the end face 7 of the opening 5 of the buried box 2 cannot be brought into close contact, the holding thereof becomes unstable, and the left
2 and the end face 7 of the opening 5 of the buried box 2, causing a problem that concrete enters the buried box 2 when concrete is poured.

Next, the burying box 2 is generally formed of a synthetic resin, and the side wall 4 on the bottom wall 3 side has a predetermined strength against an external force. 24, the side wall 4 on the side of the opening 5 is easily bent inward and deformed by the casting pressure as shown in FIG. As a result, the vertical space between the boss holes 6 serving as a fixing portion for fixing the wiring device becomes narrow, and the wiring device mounting frame or the like may not be mounted.

In addition, when the wiring device is, for example, an outlet when the concrete is cast and a wiring device is attached to the opening 5 of the buried box 2, when the plug is pulled out from the outlet or the like, the opening 5 is used. Since the side wall 4 on the side is pulled inward and an excessive force is applied to the boss hole 6 in the direction of the white arrow shown in FIG. 24, the wiring device may be deformed or damaged. Therefore, the installation of the wiring device was unstable and not reliable.

Accordingly, the present invention relates to a method for casting concrete by placing the bar material so that the end face of the opening of the buried box is strongly pressed against the formwork, regardless of the concrete wall thickness and the height of the buried box. Of concrete can be prevented from entering, and the side wall on the opening side bends and deforms inward due to the concrete casting pressure, and the fixing part for fixing the wiring device by pulling out the plug from the wiring device is deformed and damaged It is an object of the present invention to provide a buried box device, a buried box, and a bar material for mounting the buried box, which can prevent the occurrence of the problem.

[0007]

According to a first aspect of the present invention, there is provided a buried box device having an opening, which is buried in a concrete wall, and which is attached to the buried box and whose end forms a skeleton of the concrete wall. A bar member attached to a reinforcing bar and pressing an opening surface of the buried box against a formwork, the bar member being capable of being bent in three dimensions by hand, and the bar member is attached to an opening side of the buried box. .

According to a second aspect of the present invention, there is provided a buried box device.
Is attached along the opening side of at least one pair of opposing side walls of the buried box.

[0009] The buried box device according to claim 3 is claim 2.
Is attached to a pair of side walls provided with fixing portions for fixing the wiring device facing each other.

According to a fourth aspect of the present invention, there is provided a buried box device.
The bar material according to any one of claims 3 to 3 is attached so as not to be exposed in the buried box.

A burying box according to a fifth aspect of the present invention is a burying box buried in concrete and having an opening, wherein the burying box is attached to a reinforcing bar serving as a skeleton of a concrete wall and presses an opening surface to a formwork, and is bent by hand. A mounting portion for mounting a possible bar material is provided on the opening side.

In a buried box according to a sixth aspect, the mounting portion according to the fifth aspect is formed so as to be mounted along an opening side of at least a pair of side walls facing the bar member.

In a buried box according to a seventh aspect, the mounting portion according to the sixth aspect is mounted on a pair of side walls provided with opposed fixing portions for fixing the wiring device.

According to an eighth aspect of the present invention, there is provided an embedding box, wherein the mounting portion according to any one of the fifth to seventh aspects is formed so as to be mounted so that the bar material is not exposed in the embedding box. .

In a buried box according to a ninth aspect, the mounting portion according to any one of the fifth to eighth aspects is formed with a through hole through which a bar material passes along an opening surface.

According to a tenth aspect of the present invention, the mounting portion according to any one of the fifth to eighth aspects has a concave groove for accommodating a bar material along a side wall on an opening side, and a head portion having the concave portion. And a screw holding the bar material housed in the groove by the bottom of the groove.

According to an eleventh aspect of the present invention, there is provided an embedding box, wherein an outwardly projecting flange is provided on a side wall on an opening side of the embedding box according to any one of the fifth to tenth aspects, and wherein It is provided on the flange.

[0018] The burying box mounting bar material according to claim 12 is a burying box mounting bar material that is erected on a reinforcing bar serving as a skeleton of a concrete wall and is mounted on a burying box buried in concrete. It has a length that can be bent by hand, extends from the opening side of the side wall when attached to the buried box, and can be installed on the rebar, and has a mounting portion to the buried box. It is attached along the opening side of at least one pair of side walls.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. In the figure, a buried box device 1 is one in which two bar members 11 that can be bent by hand are attached to a buried box 2. The buried box 2 is integrally formed of a synthetic resin or the like, has a bottom wall 3 and a side wall 4,
It is formed in a substantially square box shape having an opening 5 on the front surface. The opening 5 has a boss hole 6 serving as a fixing portion for mounting a wiring device or a wiring device mounting frame (not shown) from the front side.
Are provided above and below. Knocks 4a are provided on the side wall 4 to enable wiring and piping to pass therethrough.

Further, a mounting portion 9 for mounting the bar member 11 is provided on the opening 5 side of the upper and lower side walls 4. The mounting portion 9 is provided at the opening-side end of the side wall 4, that is, at the end surface 7 of the opening 5.
1 to 5, in FIGS. 1 to 5, a step 8 thicker than the thickness of the side wall 4 is formed on the upper and lower end surfaces 7 of the opening 5, and the bar 8 11
Is formed by providing a bar material through-hole 9a which penetrates in the horizontal direction for attaching to the buried box 2. In addition, on both sides of the bar material through hole 9a on the opening 5 side of the side wall 4, a U-shaped projection 4b opening on the bottom wall 3 side is provided.
The bar material 11 projecting outward from the bar material through hole 9a is bent obliquely from the opening of the U-shaped projection 4b, and both ends are attached to the reinforcing bar 21. It has become. That is, the bar material 11 obliquely bent from the opening of the U-shaped protrusion 4b at the portion protruding outward from the opening of the bar material through-hole 9a becomes the U-shaped protrusion 4b.
The rotation of the buried box 2 is prevented from moving up and down by the protruding portion, so that the holding state is stabilized. Here, the opening 5 and the end face 7 of the buried box 2 form the same plane, and correspond to the opening face in the claims.

On the other hand, the bar member 11 is made of a metal rod which can be bent by hand and has elasticity for pushing the buried box 2 and pressing it against the formwork 22, and extends outwardly from the opening 5 in all directions. The length is long enough to be attached to the reinforcing bar 21 which supports the concrete wall of the concrete building. Further, linear cuts are provided on the outer peripheral wall of the bar member 11 at appropriate intervals in the length direction. An outer peripheral wall is formed on the reinforcing bar 21 with an uneven surface in order to enhance engagement with a bind wire 23 described later.

As described above, the buried box device 1 abuts both ends of the bar material 11 pierced through the bar material through holes 9 a of the upper and lower buried boxes 2 along the reinforcing bar 21, and binds to the reinforcing bar 21 with the binding wire 23. By laying, the buried box 2 can be held at an arbitrary position of the reinforcing bar 21. However, the bar material 11 may be wound directly around the reinforcing bar 21. Here, the notch is provided in the outer peripheral wall of the bar member 11 and the outer peripheral wall of the reinforcing bar 21 is formed in an uneven surface, so that the bind wire 23 and the outer periphery of the bar member 11 and the reinforcing bar 21 are formed. The binding wire 23 is prevented from slipping on the outer peripheral wall surfaces of the bar member 11 and the reinforcing bar 21, and is securely held.

Next, the operation of the buried box device of this embodiment having the above-described configuration will be described. First, as shown in FIG. 4, the height of the buried box 2 is small, or
The wall thickness is large, and the bottom wall 3 of the buried box 2 is
2 is located on the left side,
When the mold 22 is brought into contact with the end face 7 of the buried box 2 and pressed, the bar material 11 is flexed and deformed by applying a force in a direction in which the distance to the reinforcing bar 21 is reduced, and the buried box 2 is moved rightward. Retreat to Therefore, since the pressing force of the mold 22 is absorbed by the bending of the bar material 11, even if an excessive force is applied by standing the mold 22, it does not directly act on the rebar 21, and the rebar 21 does not warp. . As a result, the end face 7 of the embedding box 2 can be brought into close contact with the mold 22. At this time, only the bar 11 can be flexed in the three-dimensional direction arbitrarily.
Even if the end surface 7 is not inclined but attached at an angle, the bar material 11 arbitrarily bends in the three-dimensional direction to absorb the inclination,
It can be in close contact with the mold 22. Also, the bar material 11
Only the flexure absorbs the pressing force of the formwork 22, so that no excessive force is applied to the reinforcing bar 21.
1 can be prevented from deviating to the side and coming off the intermediate position of the formwork 22, and the concrete wall can be prevented from being lowered by the concrete being poured in the bent state. As a result, the concrete is prevented from entering the inside of the buried box 2 from the opening 5 at the time of placing the concrete.

Next, as shown in FIG. 5 or FIG. 6, when the wall thickness is small or the height of the buried box 2 is large, the bottom wall 3 of the buried box 2 is If the bar material 11 projects to the right from the bar 21, the bar material 11 is provided on the opening 5 side of the buried box 2.
4, the bar member 11 is located on the left side of the reinforcing bar 21 as in the case of FIG. As a result, the form 22
When the buried box 2 is pressed with, as in the case of FIG.
The bar material 11 is deformed by applying a force in a direction in which the distance to the reinforcing bar 21 is shortened, and the burying box 2 retreats rightward. Therefore, since the pressing force of the mold 22 is absorbed by the bending of the bar material 11, even if an unreasonable force is applied by standing the mold 22, it directly acts on the rebar 21 and the rebar 2
There is no one to go away. As a result, the end face 7 of the opening 4 of the buried box 2 and the formwork 22 on the left side of the figure can be brought into close contact with each other, thereby preventing concrete from entering the inside of the buried box 2 from the opening 5 at the time of casting concrete. Is done.

That is, such an operation is achieved by burying the box 2
When the bottom material 3 is located on the right side of the reinforcing bar 21 and the bar material 11 is attached to the bottom wall 3 side as in the related art, the bar material 11 is deformed because it is already stretched and extended. In the embodiment of the present invention, the bar material 11 is located on the side of the opening 5 of the side wall 4 and has room to bend and deform, so that the buried box 2 is retracted without deflecting the reinforcing bar 21. Can be. Thereby, the bar material 11 is attached to the bottom wall 3 side of the buried box 2 as in the related art, so that the bottom wall 3 of the buried box 2 is
In this case, it is not possible to cope with the case where the protrusion 5 is protruded to the right from the position 2, and the opening 5 of the buried box 2 is always stable regardless of the wall thickness and the height of the buried box.
Can be pressed against the formwork 22 to reliably prevent concrete from entering during concrete casting.

5 and 6, the bar member 11 is provided on the side wall 4 on the side of the opening 5 of the buried box 2.
Is inserted into the bar material through-hole 9a along the opening 5, so that the rigidity of the bar material 11 causes the side wall 4 on the opening 5 side of the burying box 2 to be bent inward by external pressure at the time of concrete casting. Is prevented. For this reason, the space between the upper and lower boss holes 6 is reduced so that the wiring device or the wiring device mounting frame cannot be fixed to the opening 5 of the buried box 2 after the concrete is cast. In addition, when the concrete outlet is used after the concrete is cast and the outlet is used, there is no problem such as deformation or breakage of the boss hole 6 or the like due to the tensile force when the plug is removed from the outlet. Here, the bar material 11 is not deformed at a portion inserted into the bar material through hole 9a of the embedding box 2, and the length of the portion is constant. Further, since the extending portion protruding outward from the side wall 4 of the burying box 2 is buried in concrete, it does not deform, maintains a constant shape, and is held at a predetermined position.

In addition, since the mounting portion 9 for mounting the bar member 11 is provided on the front side of the buried box 2,
It does not hinder knockout of the knock 4a and does not hinder wiring and piping.

In the above embodiment, the mounting portion 9 for mounting the bar material 11 in the buried box 2 is formed by the bar material through hole 9a. However, the present invention is not limited to this. For example, FIG. As shown in FIG. 8 and FIG. 8, the bar material 1 is placed on the opening 5 side of the upper and lower side walls 4 of the buried box 2.
1 is formed along the opening 5 over the entire width of the side wall 4, and the bar mounting grooves 9b are formed at both ends thereof.
The mounting screw 9c can be formed by being screwed to the side wall 4 slightly apart from b. Here, in FIG. 7 and FIG. 8, two mounting screws 9 c are provided at both ends, but the present invention is not limited to this. Can be even higher. In addition, since the bar material 11 is fixed by the mounting screw 9c,
Even if the U-shaped projection 4b shown in FIG. 1 is not provided, it is possible to prevent rotation in the vertical direction. The bar mounting groove 9b corresponds to a concave groove, and the mounting screw 9c corresponds to a screw.

In the case of this embodiment, after the bar member 11 is stored in the bar member mounting groove 9b, the mounting screw 9c is tightened and clamped between its head and the bottom of the bar member mounting groove 9b. , Can be mounted along the opening 5 of the buried box 2.

The buried box device 1 of this embodiment operates and has the same effect as the buried box device 1 in which the bar material through-hole 9a is formed. The effect that attachment is easy is produced.

Next, an embedding box according to another embodiment of the present invention will be described with reference to FIGS. In the figure, flanges 10 extend outward on the left and right end surfaces 7 of the opening 5 of the embedded box 2 in the same plane as the opening 5. Further, projections 9d protruding toward the bottom wall 3 are integrally provided on the back surfaces of the upper and lower ends of each of the flanges 10, and the bar material 11 is forcibly fitted in the projections 9d in the vertical direction. Each of the fitting recesses 9e is provided. The projection 9d is provided with a mounting hole 9f for mounting the mounting screw 9c shown in FIGS.
At the upper and lower ends of the opening 5, a pair of upper and lower boss holes 6 for attaching a wiring device (not shown) for holding the wiring device, a box cover and the like are integrally provided. The fitting recess 9e corresponds to a groove in the claims.

In the buried box 2 of this embodiment,
Each of the two bar members 11 is vertically fitted into a pair of upper and lower fitting recesses 9e, and then the mounting screws 9c shown in FIGS. 7 and 8 are forcibly screwed into the mounting holes 9f, thereby forming the fitting recesses 9e.
And the mounting screw 9 c, and both ends are mounted on the reinforcing bar 21. The bar material 11 is a buried box 2
Since the space between the pair of upper and lower mounting portions 9 is exposed, and substantially the entire extended portion is buried in concrete, a constant shape is maintained.

The buried box 2 of this embodiment has a bar 11
Are mounted on the left and right sides of the opening 5 in the vertical direction along the opening 5, and the buried box 2 shown in FIGS.
The mounting direction of the bar 11 is different from that of the first embodiment, and the facing direction of the pair of upper and lower boss holes 6 is the same as the mounting direction of the bar 11. However, the left and right side walls 4 are left and right bar members 11.
The bending of the opening 5 side is prevented by the rigidity of the upper and lower side walls 4, so that the bending of the upper and lower side walls 4 is also prevented from the structure, so that the vertical interval between the pair of upper and lower boss holes 6 is prevented from becoming short. Therefore, also in the buried box 2 of this embodiment, similarly to the buried box device 1 shown in FIGS. The boss hole 6 and the like are prevented from being deformed or damaged. Here, the projections 9d, the fitting recesses 9e, and the mounting holes 9f are provided at both ends of the side wall 4, but may be provided at an intermediate portion thereof, and their positions and numbers are not limited.

The mounting portion 9 may be formed by forming a through hole 9h in a protrusion 9g as shown in FIGS. 12 and 13, and as shown in FIGS. 14 and 15, the protrusion 9g and the through hole 9h. 9h may be formed over the entire upper and lower portions.

Further, as shown in FIGS. 16 and 17, the mounting portion 9 is formed by connecting the flange 10 to the opening 5 of the embedding box 2.
A total of eight bars are installed at the corners, and a bar 1
1 may be provided with a fitting recess 9i in which the fitting 1 can be forcibly fitted. In this case, four bar members 11 can be attached along the opening 5 of the buried box 2. However, it goes without saying that only two bar members 11 may be attached.

In this embodiment, the holding of the burying box 2 by the bar material 11 with respect to the reinforcing bar 21 becomes more stable, and a stronger tenacity is obtained by the four bar materials 11. The mold 22 can be pressed more strongly. In addition, it is possible to more reliably prevent the bending deformation on the opening 5 side of all four side walls 4 due to external pressure such as concrete casting.

The mounting portion 9 in each of the above embodiments is formed as shown in FIGS. 1 to 17, but is not limited to this when embodying the present invention. If it can be attached to the opening 5 side of the box 2,
Any form can be adopted. Therefore, as shown in FIG. 18, the bar member 11 may be attached so as to cross the inside of the opening 5 along the side wall 4 on the opening 5 side. Here, in order to prevent the side wall 4 from being deformed, the bar material 11 penetrates through the mounting portion 9 or engages with or abuts on the mounting portion 9. Also in this case, since the bar member 11 is attached along the side wall 4 on the opening 5 side, there is no hindrance to the installation of the wiring equipment, wiring and piping. However, the bar material 11 may protrude into the opening 5 and cause dew condensation at a portion crossing the inside of the opening 5. Therefore, it is desirable that the bar 11 does not cross the inside of the opening 5 and does not reach the inside of the buried box 2.

The bar member 11 of each of the above embodiments is formed only of a metal rod, and is attached to the buried box 2 by the attaching portion 9 provided on the buried box 2. However, the present invention is not limited to this. Instead, as shown in FIG. 19, a mounting member 12 as a mounting portion according to claim 12 is attached to the center of the bar member 11 side as well, and the mounting member 12 is embedded using a screw 13. The bar 11 may be attached to both the buried box 2 and the bar 11 by attaching the bar 11 to the mounting hole 4c as an attachment on the box 2 side. In the mounting bracket 12, as shown in FIG.
It is better to provide a.

[0039]

As described above, the present invention relates to a buried box which is buried in a concrete wall and has an end attached to a reinforcing bar which forms a support of the concrete wall at an opening side. And a bar member that can be bent in three dimensions by hand, which presses the opening surface of the above to the mold. Therefore, regardless of the thickness of the concrete wall and the height of the buried box, the mounting position of the bar to the buried box is always on the side of the formwork that comes into contact with the reinforcing bar. The end face of the opening of the buried box can be pressed strongly against the formwork by protruding toward the formwork side, thereby preventing the intrusion of concrete during concrete placement. Further, it is possible to prevent the side wall on the opening side from being bent and deformed to the inner side by an external pressure such as a concrete placing pressure.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a buried box device according to an embodiment of the present invention.

FIG. 2 is a front view of the buried box of FIG.

FIG. 3 is a side view of the buried box of FIG. 1;

FIG. 4 is a side view showing a state in which the buried box of FIG. 1 is disposed between molds.

FIG. 5 is a side view showing an arrangement state of the buried boxes between the molds when the height of the buried boxes of FIG. 1 is small.

FIG. 6 is a side view showing an arrangement state of the burying boxes between the molds when the height of the burying box of FIG. 1 is large.

FIG. 7 is a perspective view showing a buried box device according to another embodiment of the present invention.

FIG. 8 is a side view of a main part of the buried box of FIG. 7;

FIG. 9 is a perspective view showing a buried box device according to still another embodiment of the present invention.

FIG. 10 is a front view of the buried box of FIG. 9;

FIG. 11 is a perspective view of the buried box of FIG. 9 as viewed from the bottom wall side.

FIG. 12 is a perspective view showing a buried box according to still another embodiment of the present invention.

FIG. 13 is a perspective view showing a buried box according to still another embodiment of the present invention.

FIG. 14 is a perspective view showing a buried box according to still another embodiment of the present invention.

FIG. 15 is a perspective view showing a buried box according to still another embodiment of the present invention.

FIG. 16 is a perspective view showing a buried box according to still another embodiment of the present invention.

FIG. 17 is a perspective view of the buried box of FIG. 16 as viewed from the bottom wall side.

FIG. 18 is a main part front view showing a buried box according to still another embodiment of the present invention.

FIG. 19 is a perspective view showing a main part of a buried box according to still another embodiment of the present invention.

FIG. 20 is a perspective view showing a conventional buried box.

FIG. 21 is a side view showing a state where the buried box of FIG. 20 is arranged between the molds.

FIG. 22 is a side view showing a state in which the burying box of FIG. 20 is disposed between formwork having a large space.

FIG. 23 is a side view showing a state in which the burying box of FIG. 20 is disposed between the molds having a small interval.

FIG. 24 is a cross-sectional view showing a state where a conventional buried box receives external pressure.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 buried box device 2 buried box 5 opening 9 mounting part 9a bar material through hole 9b bar material mounting groove 9c mounting screw 9d, 9g protrusion 9e, 9i fitting recess 9f mounting hole 9h through hole 11 bar material 21 steel bar 22 formwork

Claims (12)

[Claims] 1. A buried box having an opening buried in a concrete wall, and an opening attached to the buried box and having an end attached to a reinforcing bar forming a support of the concrete wall to form an opening surface of the buried box. A bar material that is pressed against a frame and that can be bent in a three-dimensional direction by hand, wherein the bar material is attached to an opening side of the embedding box. 2. The buried box device according to claim 1, wherein the bar material is attached along an opening side of at least a pair of opposed side walls of the buried box. 3. The buried box device according to claim 2, wherein the bar member is attached to a pair of side walls provided with a fixing portion for fixing the wiring device facing each other. 4. The buried box device according to claim 1, wherein the bar material is attached so as not to be exposed in the buried box. 5. A burying box buried in concrete and having an opening, wherein a bar material which can be bent by hand is attached to a reinforcing bar forming a skeleton of a concrete wall and presses an opening surface to a formwork. A mounting portion for the buried box is provided on the opening side. 6. The buried box according to claim 5, wherein the attachment portion is formed so as to be attached along an opening side of at least a pair of side walls facing the bar member. 7. The buried box according to claim 6, wherein the mounting portion is mounted on a pair of side walls on which fixing portions for fixing the wiring device are provided to face each other. 8. The buried box according to claim 5, wherein the mounting portion is formed so as to be mounted so that the bar material is not exposed in the buried box. 9. The fixing device according to claim 5, wherein the mounting portion is formed as a through hole through which a bar material passes along an opening surface.
The buried box according to claim 8. 10. The mounting portion has a groove for accommodating the bar material along the side wall on the opening side, and a screw having a head holding the bar material accommodated in the groove by the bottom of the groove. The buried box according to any one of claims 5 to 8, wherein the buried box is formed of: 11. The side wall on the opening side is provided with a flange protruding outward, and a mounting portion is provided on the flange.
The buried box according to any one of the above. 12. A burial box mounting bar material that is erected on a reinforcing bar that serves as a skeleton of a concrete wall and that is mounted on a burying box buried in concrete. A length extending from the opening side of the side wall in a mounted state, and having a length capable of being installed on the reinforcing bar, including a mounting portion to the buried box, along an opening side of at least a pair of opposed side walls of the buried box; A bar material for mounting a buried box, which can be mounted by mounting.