JPH0584119U - Electric box temporary fixing device - Google Patents

Abstract

(57) [Summary] [Purpose] It is easy to correct the left and right or up and down position, and the flexibility and the usability can be improved without restricting the size and mounting direction of the electric box, and the workability is improved. [Structure] The support plate 200 made of synthetic resin includes reinforcing bars 101, 1
A groove 2a is provided in the support plate 200, and the tongues 3a and 3b provided outside the electric box 300 are applied to this portion, and the tightening box is temporarily fixed by screws 4a and 4b. .

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an electric box temporary fixing device for temporarily fixing an electric box buried in a wall, ceiling, floor, etc. of a building.

[0002]

[Prior Art]

 Conventionally, for example, a method shown in FIG. 5 is used to temporarily fix the electric box in the formwork. This technique is disclosed in, for example, JP-A-60-152747. The electric box 11 is of a bottomed type, and holes 12a and 12b are opened in the bottom thereof. On the other hand, 21, 22, 23, 24, etc. are, for example, reinforcing bars arranged in the formwork, and are assembled in a mesh shape, for example. Assuming that the electric box 11 is temporarily fixed to one of the squares, a temporary fixing member is used. The temporary fixing member is fixed by crimping the opposite sides of the back plate 31 so as to be wound around the iron bars 32 and 33 having flexibility. The other end of the reinforcing bar 32 is tied by a wire at the cross portion a of the reinforcing bars 21, 23, the cross portion b of the reinforcing bars 21, 23, the cross portion c of the reinforcing bars 21, 24, and the cross portion d of the reinforcing bars 23, 24.

On the other hand, the back plate 31 is provided with tongue pieces 31a and 31b by cutting and raising. Then, the electric box 11 is temporarily fixed using the tongue pieces 31a and 31b. That is, the tongue pieces 31a and 31b are inserted into the holes 12a and 12b of the electric box 11 from the back side and bent to temporarily fix the electric box 11.

[0004]

[Problems to be solved by the device]

 According to the above-described temporary fixing device for the electric box 11, even if the positions of the electric box 11 are corrected once the electric box 11 is temporarily fixed, it is extremely inconvenient, and improvement of this point is desired. In the case of the conventional device, the wire is loosened and the iron rods 32 and 33 are displaced and adjusted. However, the adjustment range is also limited, and the adjustment work takes time. Furthermore, since the directions of the tongues 31a and 31b and the holes 12a and 12b are fixed, there is a problem that the mounting direction and size of the electric box are limited. In addition, since there is a hole in the bottom of the electric box, the temperature from the outside is easily transmitted to the bottom side, and there is also the problem that dew condensation is generated inside the box.

Therefore, an object of the present invention is to provide a temporary fixing device for an electric box, which is easy to correct the left and right or up and down positions and has a high degree of freedom without restricting the size and the mounting direction of the electric box. To do.

[0006]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention has a support plate made of synthetic resin in which one end side and the other end side in the longitudinal direction are attached to rebars or columns arranged at intervals, and a bottomed box. Electric box having a tongue extending toward the back side of the bottom, the bottom side of the tongue extending toward the support plate, and a screw for tightening the tongue and the support plate. And a child member.

[0007]

[Action]

 According to the above means, when the electric box is attached to the support plate, the position can be freely selected within the range of the length of the support plate, and it is easy to correct the position of the electric box in the longitudinal direction of the support plate. Is. Furthermore, the tongue for fixing the support plate to the box is provided outside the box, eliminating the need to make holes in the bottom of the electrical box. For this reason, the work of temporarily fixing the box does not have to be performed through a narrow box, and the workability is good. In addition, there is no need to make a hole in the bottom of the box, and there is a heat insulation effect against the external temperature, so that the box is It is possible to form a structure in which it is difficult for dew condensation to occur.

[0008]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows an embodiment of the present invention. 101, 102, and 103 are rebars arranged in the space inside the formwork. In the formwork, the rebars are usually more or less organized. Here, a support plate 200 made of synthetic resin having a long side is arranged between the reinforcing bars 101 and 103, which are spaced apart from each other. For example, both sides of the supporting plate 200 are clamped and fixed to the reinforcing bars 101 and 103 by a wire. To be done. The electric box 300 is temporarily fixed to the support plate 200. The figure is the state seen from the back side. The electric box 300 has a bottom, an open front surface can accommodate electric parts, and a punching hole can be formed on a side portion so that a terminal of a conduit can be attached. Further, on the bottom of the electric box 300, tongues 3a, 3b integrated on the back side are formed so as to extend the bottom. The tongues 3a and 3b and the support plate 200 are fastened and fixed by screws 4a and 4b, for example. In this case, a groove 2a is formed in the longitudinal direction on the front surface side of the support plate 200 to improve the positioning of the screws 4a and 4b and the workability of inserting the screws 4a and 4b.

According to the above-mentioned configuration, if it is necessary to correct the position of the electric box 300 in the direction of the arrow shown in the figure, the screws 4a and 4b can be loosened and adjusted easily. Good nature. Also, in the example shown in the figure, it is effective when there are many demands for position adjustment in the horizontal direction, but when there are many demands for vertical position adjustment, the support plate 200 is fixed to the upper and lower reinforcing bars. You can leave it. Further, according to this method, even if the size and type of the box are different, the tongue piece makes it easy to attach and detach to and from the support plate 200. Also, according to this structure, the tongue for fixing the support plate and the box is provided outside the box, and it is not necessary to provide a hole at the bottom of the electric box. For this reason, the work of temporarily fixing the box does not have to be performed through a narrow box, and the workability is good. Moreover, there is no need to provide a hole in the bottom of the box, and there is a heat insulation effect against the external temperature, and condensation does not occur in the box. Is hard to occur.

Although the support plate 200 has one groove 2a, a plurality of grooves 2a may be provided so that the vertical position of the box can be corrected. Further, the width of the support plate 200 may be further increased to expand the vertical position correction range of the box.

FIG. 2A shows a mounting member that can be easily mounted with one touch in order to mount the support plate 200 on the reinforcing bar. The mounting member 500 has locking portions 501 and 502 that lock with a part of the reinforcing bar 103, and a pressing portion 503 for pressing the supporting plate 200 is integrally formed of synthetic resin. The attachment member 500 can be locked to the reinforcing bar 103, and the supporting plate 200 can be sandwiched by the reinforcing bar 103 and the pressing portion 503. FIG. 2B is a plan view of the electric box 300, and the tongues 3a and 3b are integrally formed on the outside of the bottom.

The present invention is not limited to the above embodiment. FIG. 3 shows another example of the support plate 200, in which notches 210 are formed at regular intervals in the long side direction, and a memory function is provided in order to make the adjustment amount of the box easy to understand. A memory 211 is also provided on the short side. In this way, it is possible to know the movement amount and adjustment amount of the box by using the notch 210, and when the wire is tied to the rebar as shown in Fig. 1, the wire is locked in the notch 210 and the stability is improved. Get better.

FIG. 4 is another example of the attachment member 500. The mounting member 500 has engaging portions 513 and 514 that engage with the reinforcing bar at the tip ends of the U-shaped legs 511 and 512. Further, on the opposing surfaces of the legs 511 and 512, depressions 5a are formed at regular intervals in the length direction of the legs. With 5b. On the other hand, on the long side of the support plate 200, protrusions 22a and 22b that can be engaged with the recesses 5a and 5b are provided at the portions corresponding to the mounting member 500. For this reason, by selecting each of the protrusion 22a and one of the depressions 5a and the protrusion 22b and one of the depressions 5b, the position of the support plate 200 can be adjusted in the thickness direction. That is, with respect to the box attached to the support plate 200, the front and rear positions of the box can be adjusted.

[0015]

[Effect of the device]

 As described above, according to the present invention, it is easy to correct the left and right positions or the upper and lower positions, and there is no restriction on the size and mounting direction of the electric box, so that there is a high degree of freedom and usability can be improved, improving workability. it can.

[Brief description of drawings]

FIG. 1 is a structural explanatory view showing an embodiment of the present invention.

2 is a diagram showing an example of a mounting member of the support plate shown in FIG. 1 and a plan view of an electric box.

FIG. 3 is a view showing another example of the support plate of FIG.

FIG. 4 is a diagram showing another example of a mounting member.

FIG. 5 is a diagram showing an example of a conventional temporary fixing device for an electric box.

[Explanation of symbols]

101, 102, 103, 104 ... Reinforcing bar, 200 ... Support plate, 300 ... Electric box.

Claims (1)

[Scope of utility model registration request] 1. A support plate to which one and the other ends are attached to reinforcing bars arranged at intervals, and a box shape with a bottom, the bottom rear surface of which is arranged facing the support plate, An electric box temporary fixing device comprising: an electric box having a tongue extending so as to extend the bottom back surface; and a screw member for tightening the tongue and the support plate.