JP3594881B2 - Wiring box and wiring fixture mounting frame - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring box and a wiring device mounting frame, for example, which are mounted and fixed on a wall of a building so that a cable is wired therein, and a wiring device connected to the cable can be mounted.
[0002]
[Prior art]
Conventionally, a wiring box or a wiring device mounting frame has been used for mounting a wiring device on a wall. The wiring box includes a box body made of a synthetic resin material having a rectangular box shape having a bottom and an opening, and the wiring device mounting frame includes a frame body made of a synthetic resin material having a square frame shape having an opening. . Screw holes are formed at two locations on one side wall of the box body or the frame body, respectively, penetrating the side walls. Further, wiring device mounting portions are integrally formed on the inner surfaces of the upper wall and the lower wall of the box body or the frame body, respectively. Mounting holes facing the opening side of the box main body or the frame are formed in each wiring device mounting portion, and mounting screws can be screwed into female screw portions formed in the wiring device mounting portions from the respective mounting holes.
[0003]
Then, when using the wiring box or the wiring device mounting frame, first, a screw is fixed to the column from the screw hole, and the wiring box or the wiring device mounting frame is mounted on the column. Next, a cable as an arrangement member wired in the vicinity of the wiring box or the wiring device mounting frame is wired in the wiring box or the wiring device mounting frame, and the opening of the wiring box or the wiring device mounting frame is opened. A wall is installed in front, and a wiring box or a wiring device mounting frame is arranged behind the wall.
[0004]
When mounting a wiring device on a wall using the wiring box or the wiring device mounting frame, first, make a hole from the front side of the wall at a position corresponding to the wiring box or the wiring device mounting frame on the back side of the wall, and then install the wiring box. Or, make the opening of the wiring device mounting frame face the front side of the wall. Next, the cable in the wiring box or the wiring device mounting frame is pulled out to the wall surface side, and an outlet is connected to the cable as a wiring device. Finally, the outlet is held by the wiring device holding frame, and mounting screws are respectively inserted into the mounting holes of the wiring device mounting portion from the through holes formed at the upper and lower ends of the wiring device holding frame. Screw the screw into the female thread.
[0005]
As a result, the wiring device holding frame is mounted on the front side of the wall, and the outlet is mounted on the wiring box or the wiring device mounting frame via the wiring device holding frame. Then, a plug of the electric device is inserted into the outlet and used.
[0006]
[Problems to be solved by the invention]
However, when the electric equipment is used, for example, a stress such as torsion acts on the plug as the electric equipment moves, and the stress acts on the outlet. Further, the stress acting on the outlet acts on the wiring device mounting portion via the wiring device holding frame and the mounting screw for holding the outlet. At this time, since only one side wall of the wiring box or the wiring device mounting frame is fixed to the pillar, and the upper wall and the lower wall are not fixed, the stress applied to the wiring device mounting portion is formed by the wiring device mounting portion. Acts directly on the upper and lower walls of the box body or frame. As a result, there is a problem that the upper wall and the lower wall may be deformed or damaged by the stress. Another problem is that the upper and lower walls of the box body or the frame body are deformed or damaged, so that the mounting state of the outlet mounted on the wiring box or the wiring device mounting frame becomes unstable. there were.
[0007]
The present invention has been made by paying attention to such problems existing in the related art. The purpose is to eliminate the possibility that the box body or frame will be deformed or damaged by the stress acting on the wiring device, and to stably attach the wiring device to the box body or frame. It is an object of the present invention to provide a wiring box and a wiring device mounting frame that can be used.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, the wiring box according to the first aspect of the present invention includes a box main body having an opening on the front surface, and faces the opening of the box main body, and a wiring device can be attached to the box main body. A pair of wiring device mounting portions having a large mounting hole are integrally formed on the inner surface of the peripheral wall of the box main body, and a wall material is installed in front of the opening of the box main body. In advance Behind the wall material So that it moves to the wall material side A wiring box to be disposed, wherein a through hole is formed in the wall material at a position corresponding to the box body, and when a wiring device is mounted from a front side of the wall material via a wiring device holding frame, the mounting is performed. When the screw is screwed into the mounting hole, the box body is drawn to the wall material side, and a piercing body that can bite into the wall material is formed on the front surface of the box body.
[0009]
According to a second aspect of the present invention, in the wiring box according to the first aspect, at least one pair of the piercing bodies are provided to face each other.
The wiring device mounting frame according to claim 3, further comprising a frame body having an opening on a front surface, facing the opening of the frame body, and having a pair of wiring hole mounting holes for mounting a wiring device in the frame body. The part is integrally formed on the inner surface of the peripheral wall of the frame, and a wall material is installed in front of the opening of the frame. In advance Behind the wall material So that it moves to the wall material side In the wiring device mounting frame to be arranged, a through hole is formed at a position corresponding to the frame in the wall material, and when the wiring device is mounted via the wiring device holding frame from the front side of the wall material, A piercing body is formed on the front surface of the frame body, the mounting body being screwed into the mounting hole, whereby the frame body is drawn toward the wall material side and can bite into the wall material.
[0010]
According to a fourth aspect of the present invention, in the wiring device mounting frame according to the third aspect, at least one pair of the piercing bodies are provided to face each other.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment in which the present invention is embodied in a wiring box will be described in detail with reference to the drawings.
[0012]
(1st Embodiment)
As shown in FIG. 1, the wiring box 11 includes a box body 12 having an opening on the front surface, and the box body 12 includes a bottom plate 13 and a frame 14, and the bottom plate 13 and the frame 14 are connected to each other. It is connected by the part 15.
[0013]
First, the bottom plate 13 will be described. As shown in FIG. 3, the bottom plate 13 has a substantially planar rectangular shape, and both long sides (left and right sides in FIG. 3) protrude outward in a plane arc shape. On both long sides of the bottom plate 13, fixing holes 17 are formed at four locations along the length direction of the bottom plate 13, and fixing screws 18 are inserted into the fixing holes 17 as shown in FIG. It is possible. Then, the fixing plate 18 is fixed to the concrete wall 19 from each fixing hole 17 to fix the bottom plate 13 to the concrete wall 19, and the frame 14, that is, the wiring box 11 is connected to the concrete wall 19 via the connecting portion 15. 19 can be attached and fixed.
[0014]
Next, the frame 14 will be described. As shown in FIG. 3, the frame 14 has a rectangular frame shape, and a side wall corresponding to each side of the bottom plate 13 at a position outside the outer peripheral edge of the bottom plate 13. Reference numerals 20 to 23 are provided so as to extend substantially perpendicularly to the bottom plate 13 upward. Among the side walls 20 to 23, an upper side wall 20 (upper side in FIG. 3) and a lower side wall 21 (lower side in FIG. 3) respectively correspond to upper and lower short sides of the bottom plate 13, and a left side wall 22 (FIG. 3). The left side) and the right side wall 23 (the right side in FIG. 3) are provided corresponding to the left and right long sides of the bottom plate 13, respectively.
[0015]
As shown in FIG. 1, a peripheral wall of the box body 12 is formed by the side walls 20 to 23, and the front and rear ends of the peripheral wall open both the front and rear of the frame 14. The bottom plate 13 is located at the opening on the rear end side of the frame body 14, and the opening on the front end side of the frame body 14 is open. On the outer peripheral surface of the frame body 14, a rib 24 is formed over the entire circumference of the frame body 14 and has a predetermined width, and protrudes horizontally, and the rib 24 gives the frame body 14 a required rigidity. are doing.
[0016]
As shown in FIGS. 1 and 3, the connecting portion 15 is provided between the rear portion of the upper wall 20 of the frame 14 and the upper short side of the bottom plate 13 and between the rear portion of the lower wall 21 and the lower short side of the bottom plate 13. Are provided in pairs. Each connecting portion 15 connects the bottom plate 13 and the frame 14 in a state of being folded in a bellows shape.
[0017]
As shown in FIGS. 1 and 4, wiring through-holes 26 that open toward the bottom plate 13 are formed on opposite sides of the upper wall 20 and the lower wall 21 of the frame body 14, respectively. Then, as shown in FIG. 2, the cable 25 housed in the box body 12 can be routed in the wiring through hole 26.
[0018]
As shown in FIG. 1, a screw hole 27 is formed at one location in the center of the left side wall 22 of the frame body 14 and penetrates the left side wall 22. Screw holes 27 are formed at two places through the wall 23. Then, for example, a screw (not shown) is fixed to the column from each screw hole 27, so that the wiring box 11 can be attached and fixed to the column. At this time, the wiring box 11 is attached and fixed with a predetermined width between the pillar and the frame body 14 by the rib 24.
[0019]
At the center of the inner surface of the upper side wall 20 and the lower side wall 21 of the frame body 14, a wiring device mounting portion 28 extending in the width direction of the upper side wall 20 and the lower side wall 21 is integrally formed. Each wiring device mounting portion 28 has a front surface facing the opening side of the front surface of the box body 12, and a mounting hole 28a is formed in the front surface. As shown in FIG. 7, a female screw portion 28b in which a female screw is threaded is formed on the inner periphery of each wiring device mounting portion 28. As shown in FIG. 2, each of the mounting holes 28a is formed in a rectangular frame shape, and a mounting screw 30b is formed through holes 30a formed at both upper and lower ends of a wiring device holding frame 30 capable of holding a wiring device 29 at the center thereof. Is inserted. When the male screw of the mounting screw 30b is screwed into the female screw portion 28b, the wiring device 29 can be mounted on the box body 12 via the wiring device holding frame 30.
[0020]
As shown in FIGS. 1 and 5, a connecting piece 31 extends inward from the box body 12 from the upper end edge of the wiring device mounting portion 28 on the lower wall 21 side, and the connecting piece 31 has an opening at the front end face. The cylindrical holding part 32 with a bottom is connected. The holding portion 32 holds a magnet 33. As shown in FIGS. 1 to 4, the opposing front surfaces of the upper wall 20 and the lower wall 21 of the frame body 14 each have a quadrangular pyramid shape. A pair of piercing bodies 34 each having a tapered shape are formed as they go. When the wall material is disposed in front of the wiring box 11, the tip end of each piercing body 34 cuts into the back surface of the wall material.
[0021]
How to use the wiring box 11 will be described below.
Now, in order to mount the wiring box 11 on the concrete wall 19, first, as shown in FIG. 5, a fixing screw 18 is fixed to the concrete wall 19 from each fixing hole 17 of the bottom plate 13, and the wiring is connected to the concrete wall 19. Box 11 is fixed. Next, the frame body 14 is gripped and pulled forward, and the frame body 14 is moved to a position indicated by a two-dot chain line in FIG. Then, the connecting portion 15 in the folded state is extended, and a gap is formed between the front surface of the bottom plate 13 and the rear edge of the frame 14.
[0022]
Then, the cable 25 pre-wired in the vicinity of the wiring box 11 is accommodated in the wiring box 11 from the gap. Subsequently, when the frontward state of the frame 14 is released, the frame 14 returns to the position shown by the solid line in FIG.
[0023]
As a result, the cable 25 is routed in the wiring through-hole 26, and the gap is closed by the frame 14, so that the cable 25 is prevented from coming off to the side. Subsequently, as shown in FIG. 2, a wall material 35 is arranged on the front side of the wiring box 11 fixed to the concrete wall 19, and the wiring box 11 is arranged on the back side of the wall material 35.
[0024]
When the wiring device 29 is installed on the wall 35, first, a magnet detector is used from the front side of the wall 35 to detect the magnet 33 of the wiring box 11 and to connect the wiring 35 on the back of the wall 35. Box 11 is detected. Then, after detecting the position of the wiring box 11, a through hole 36 is formed in the wall material 35 such that the front opening of the wiring box 11 faces the front side of the wall material 35. After detecting the position of the wiring box 11, the connecting piece 31 is folded and the holding portion 32 and the magnet 33 are cut off from the box body 12 and removed.
[0025]
A hand is inserted into the wiring box 11 through the through hole 36, and the cable 25 in the wiring box 11 is gripped and pulled out to the front side of the wall material 35. The wiring device 29 is connected to the cable 25 pulled out to the front side of the wall material 35, and the wiring device 29 is held by the wiring device holding frame 30. A mounting screw 30b is inserted into each mounting hole 28a of the box body 12 from each hole 30a of the wiring device holding frame 30, and a male screw of the mounting screw 30b is screwed into the female screw portion 28b.
[0026]
Then, as shown in FIG. 7, each connecting portion 15 is extended by screwing of the mounting screw 30b, and the frame body 14 is drawn from the concrete wall 19 side to the wall material 35 side, and is shown in an enlarged view in FIG. Thus, each piercing body 34 cuts into the back side of the wall material 35. At this time, since each piercing body 34 is formed so as to be tapered toward its distal end side, it is easy to cut into the back surface of the wall material 35.
[0027]
As a result, the wiring device holding frame 30 is attached to the wiring box 11 via the wall material 35 on the front side of the wall material 35, and the wiring device 29 is attached to the wiring box 11 via the wiring device holding frame 30. In addition, the penetration of the piercing bodies 34 into the back surface of the wall material 35 restricts the movement of the wiring box 11 in the vertical and horizontal directions. Then, a plug of an electric device (not shown) is inserted into the wiring device 29 and used.
[0028]
In the use state of the wiring device 29, for example, a stress is applied to the wiring device 29 in a direction of rotating the upper portion of the wiring device 29 downward around the wiring device 29 by movement of the plug accompanying movement of the electric device. . The stress acts on a pair of upper and lower wiring device mounting portions 28 of the box body 12 via the wiring device holding frame 30 for holding the wiring device 29 and the mounting screws 30b.
[0029]
Then, a stress is applied to the wiring box 11 so as to rotate the upper portion of the wiring box 11 downward along the back surface of the wall material 35, and the stress acts on the wall material 35 that each piercing body 34 cuts into. And is supported by the wall material 35.
[0030]
The effects exerted by the first embodiment will be described below.
(1) A pair of piercing bodies 34 are respectively formed on the front edges of the upper and lower side walls 20 and 21 of the box body 12, and each piercing body 34 bites into the back surface of the wall material 35 on the front opening side of the wiring box 11. Configured. Therefore, when a stress acts on the wiring device 29, the stress acts on the wall material 35 that each piercing body 34 has penetrated from the wiring device mounting portion 28 and is supported by the wall material 35. Therefore, the upper side wall 20 and the lower side wall 21 directly support the stress, thereby preventing the upper side wall 20 and the lower side wall 21 from being deformed or damaged by the stress. 29 can be stably mounted.
[0031]
(2) The piercing body 34 is formed integrally with the box body 12 and has a simple structure. Therefore, the structure of the wiring box 11 can be simplified unlike the case where the structure for supporting the stress acting on the wiring device 29 by the wall member 35 is provided separately from the wiring box 11.
[0032]
(3) Since each piercing body 34 is formed in the shape of a quadrangular pyramid, the structure of the molding portion of each piercing body 34 in the mold for forming the wiring box 11 is simplified, and the manufacture of the wiring box 11 is facilitated. Can be done. Further, the base end side of each piercing body 34 extends in the entire width direction of the upper side wall 20 and the lower side wall 21 as compared with the case where the piercing body 34 is formed in a conical shape on the front end surfaces of the upper side wall 20 and the lower side wall 21. Can be formed.
[0033]
(4) Each piercing body 34 is formed to be tapered toward the distal end. Therefore, compared to the case where each piercing body 34 is formed in, for example, a quadrangular prism shape, each piercing body 34 can be easily cut into the back surface of the wall material 35, and the piercing body 34 can be easily cut into the wall material 35. Resistance can be reduced. As a result, the screwing operation of each mounting screw 30b into each mounting hole 28a can be performed smoothly, and the mounting operation of the wiring device holding frame 30 to the wiring box 11 can be performed smoothly.
[0034]
(5) Since the pair of piercing members 34 are formed on the upper and lower sides of the box body 12 so as to face each other, the stress acting on the wiring device 29 can be effectively supported by the wall member 35.
[0035]
(2nd Embodiment)
Hereinafter, in the second embodiment, the points different from the first embodiment will be mainly described. As shown in FIG. 8, a wiring box 11 made of a synthetic resin includes a box body 12 having a rectangular box shape with a bottom and an opening on the front surface. The bottom plate 13 of the box body 12 has a flat rectangular shape, and side walls 20 to 23 corresponding to each side of the bottom plate 13 are provided on the periphery of the bottom plate 13 so as to stand substantially vertically upward with respect to the bottom plate 13. At the same time, the side walls 20 to 23 form a peripheral wall of the box body 12.
[0036]
On both opposing upper and lower side walls 20 and 21 of the box body 12, communication portions 26a communicating with openings of the box body 12 are formed, and the outer end edge of each communication portion 26a has a flat circular shape. A wiring through hole 26 is formed. Then, as shown in FIG. 9, the cable 25 can be passed through the communication portion 26 a from the opening side of the box body 12, and the cable 25 can be laid through the wiring through hole 26.
[0037]
A pair of piercing bodies 34 projecting forward are formed at opposing positions on the front surfaces of the left side wall 22 and the right side wall 23 of the box body 12. A pair of piercing elements 34 are formed on the front surfaces of the upper side wall 20 and the lower side wall 21 of the box body 12 at opposite positions between the communicating portions 26a, respectively, and project forward.
[0038]
As shown in FIG. 8, at the center of the inner peripheral surface of the upper side wall 20 and the lower side wall 21 of the box body 12, a wiring device mounting portion 28 extending in the width direction of the upper side wall 20 and the lower side wall 21 is integrally formed. The wiring device mounting portion 28 has a mounting hole 28a and a female screw portion 28b having the same configuration as in the first embodiment.
[0039]
The mounting portion 37 is formed in a square shape having a predetermined thickness, and the mounting portion 37 has three elongated holes 27 extending through the left side wall 22 and extending in the horizontal direction at predetermined intervals. ing. Then, as shown in FIG. 10, by fixing screws 27 a from the screw holes 27 to the columns 38, the wiring box 11 can be mounted on the columns 38 via the mounting portions 37. .
[0040]
When the wiring box 11 of the second embodiment is used, first, as shown in FIG. 9, a plurality of small bamboo bamboos 39 are formed in a grid pattern, and first, in a true wall, the wiring box 11 is formed. An accommodation hole 40 having a size corresponding to the size of 11 is formed by cutting the bamboo 39. Then, the wiring box 11 is inserted through the accommodation hole 40 between the bamboo bamboo 39, the screw 27 a is fixed to the pillar 38 from the screw hole 27, and the wiring box 11 is attached to the pillar 38 via the mounting portion 37.
[0041]
Next, the cable 25 previously wired near the wiring box 11 is wired to the wiring through hole 26. Subsequently, as shown in FIG. 10, a wall material 35 is arranged on the front side of the wiring box 11 fixed to the pillar 38, and the wiring box 11 is arranged on the back side of the wall material 35. Next, a through hole 36 is formed in the wall material 35 by the same method as in the first embodiment, and a wiring device 29 is connected to the cable 25, and the wiring device 29 is held by the wiring device holding frame 30. A mounting screw 30b is inserted into each mounting hole 28a of the box body 12 from each hole 30a of the wiring device holding frame 30, and a male screw of the mounting screw 30b is screwed into the female screw portion 28b.
[0042]
Then, the wiring box 11 is pulled toward the wall member 35 by the screwing of the mounting screw 30b, and each piercing body 34 bites into the back surface of the wall member 35 as shown in an enlarged view in FIG. As a result, the wiring device holding frame 30 is attached to the wiring box 11 via the wall material 35 on the front side of the wall material 35, and the wiring device 29 is attached to the wiring box 11 via the wiring device holding frame 30.
[0043]
Therefore, in the wiring box 11 of the second embodiment, the same effect as in the first embodiment can be exhibited. In addition, by supporting the stress on the wall material 35 through each piercing body 34, the deformation and damage of the upper and lower side walls 20 and 21 whose rigidity is reduced due to the formation of the communication portion 26a and the wiring through hole 26 are reduced. Can be prevented.
[0044]
Note that each embodiment can be embodied with the following modifications.
In each embodiment, the base end side of each piercing body 34 is formed in a cylindrical shape, a triangular prism shape, a quadrangular prism shape, a pentagonal prism shape, a hexagonal prism shape, or the like, and has a conical shape on its distal end surface so as to taper toward the distal end side. , Triangular pyramid, quadrangular pyramid, pentagonal pyramid, or hexagonal pyramid. In each embodiment, each piercing body 34 may be formed in a columnar shape, a triangular prism shape, a quadrangular prism shape, a pentagonal prism shape, a hexagonal prism shape, or the like.
[0045]
In each embodiment, each piercing body 34 may be formed separately from the box main body 12, and when the wiring box 11 is constructed, each piercing body 34 may be formed on the front surface of the box main body 12 with an adhesive or the like.
[0046]
In the first embodiment, one or three or more piercing bodies 34 may be formed on the upper side wall 20 and the lower side wall 21, and at least one piercing body 34 may be formed on the opening-side front edges of all the side walls 20 to 23. The above may be formed. Further, the piercing body 34 may be formed in at least one of the upper side wall 20, the lower side wall 21, the left side wall 22, and the right side wall 23, and the piercing body 34 is formed only in the left side wall 22 and the right side wall 23. May be formed at one place or at three or more places.
[0047]
In the second embodiment, one or three or more piercing bodies 34 may be formed on the left side wall 22 and the right side wall 23, and at least one piercing body 34 may be formed on the opening-side front edges of all the side walls 20 to 23. The above may be formed. Further, the piercing body 34 may be formed in at least one of the upper side wall 20, the lower side wall 21, the left side wall 22, and the right side wall 23, and the piercing body 34 is formed only in the upper side wall 20 and the lower side wall 21. May be formed at one place or at three or more places.
[0048]
In the wiring box 11 of the first embodiment, the wiring box 11 is fixed to the pillar by fixing a screw to the pillar from the screw hole 27 of the left side wall 22 or the screw hole 27 of the right side wall 23 of the frame 14. Is also good. Then, a wall member 35 may be arranged on the front side of the wiring box 11, and each piercing body 34 may be cut into the back surface of the wall member 35. Further, the bottom plate 13 may be omitted, and the wiring device mounting frame may be constituted only by the frame 14.
[0049]
In the wiring box 11 of the first embodiment, the bottom plate 13 may be omitted, the wiring device mounting frame may be constituted only by the frame 14, and the piercing body 34 may be provided on the frame 14. Further, the piercing body 34 may be formed in a conical shape or a triangular pyramid shape. In addition, the piercing body 34 may be formed in the shape of a horizontal triangular prism, and its corner may be formed to extend along the length direction of each of the side walls 20 to 23.
[0050]
In the wiring box 11 of the second embodiment, the bottom plate 13 may be omitted to form a wiring device mounting frame.
As shown in FIG. 11, in the first embodiment, the bottom plate 13 of the frame 14 is omitted, and the connecting portion 15 is formed in a bellows-like state from the outer surfaces of the upper wall 20 and the lower wall 21 of the frame 14. I do. Further, a fixing plate 41 may be formed at the distal end of each connecting portion 15, and the fixing hole 17 may be formed in the fixing plate 41 to form the wiring device mounting frame 42. Further, the connecting portion 15 and the fixing plate 41 having the above configuration may be formed on the outer surfaces of the left side wall 22 and the right side wall 23 of the frame body 14.
[0051]
In the case of such a configuration, the wiring fixture mounting frame 42 can be fixed to the concrete wall 19 by fixing the fixing screw 18 to the concrete wall 19 from the fixing hole 17 and fixing the fixing plate 41 to the concrete wall 19. In addition, the extension of each connecting portion 15 allows the frame body 14, that is, the wiring device mounting portion 28 to be moved from the concrete wall 19 side to the wall material 35 side, and the wiring device 29 can be mounted on the wiring device mounting frame 42. .
[0052]
Further, a technical idea grasped from the embodiment will be described below.
The wiring box according to claim 1 or 2, wherein the piercing body is formed in a polygonal pyramid shape. In such a configuration, in addition to the effects of the invention described in claim 1 or 2, the structure of the molded portion of each piercing body in the mold for molding the wiring box is simplified to manufacture the wiring box. It can be done easily.
[0053]
The wiring box according to claim 1 or 2, wherein the piercing body is formed integrally with the box body. In such a configuration, in addition to the effects of the invention described in claim 1 or claim 2, unlike the case where the structure for supporting the stress acting on the wiring device with the wall material is provided separately from the wiring box, the wiring The structure of the box can be simplified.
[0054]
3. The wiring box according to claim 1, wherein the piercing body is formed so as to be tapered toward a distal end side. 4. With such a configuration, in addition to the effect of the invention described in claim 1 or 2, the piercing body can be easily cut into the back surface of the wall material.
[0055]
The wiring device mounting frame according to claim 3 or 4, wherein the piercing body is formed in a polygonal pyramid shape. In such a configuration, in addition to the effects of the invention described in claim 3 or 4, the structure of the molded portion of each piercing body in the mold for forming the wiring device mounting frame is simplified, and the structure of the wiring device mounting frame is reduced. It can be easily manufactured.
[0056]
The wiring device mounting frame according to claim 3 or 4, wherein the piercing body is formed integrally with the frame. In the case of such a configuration, in addition to the effect of the invention described in claim 3 or claim 4, unlike the case where a structure for supporting the stress acting on the wiring device by the wall material is provided separately from the wiring device mounting frame, The structure of the wiring device mounting frame can be simplified.
[0057]
The wiring device mounting frame according to claim 3 or 4, wherein the piercing body is formed so as to be tapered toward the distal end side. With this configuration, in addition to the effect of the invention described in claim 3 or 4, the piercing body can be easily cut into the back surface of the wall material.
[0058]
【The invention's effect】
As described above, according to the present invention, the following effects can be obtained.
According to the wiring box according to the first aspect of the present invention, there is no possibility that the box body is deformed or damaged by the stress acting on the wiring apparatus, and the wiring apparatus is stably mounted on the box body. Can be attached.
[0059]
According to the wiring box of the second aspect of the invention, in addition to the effect of the first aspect of the invention, the wall member can effectively support the stress acting on the wiring device.
[0060]
According to the wiring device mounting frame according to the third aspect of the present invention, there is no possibility that the frame body is deformed or damaged by the stress acting on the wiring device, and the wiring device is stabilized with respect to the frame body. Can be attached.
[0061]
According to the wiring instrument mounting frame of the invention described in claim 4, in addition to the effect of the invention described in claim 3, the stress acting on the wiring instrument can be effectively supported by the wall material.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a wiring box according to a first embodiment.
FIG. 2 is an exploded perspective view showing the wiring box according to the first embodiment.
FIG. 3 is a front view showing the wiring box according to the first embodiment;
FIG. 4 is a plan view showing the wiring box according to the first embodiment.
FIG. 5 is a front view showing a state where the wiring box is mounted on a concrete wall.
FIG. 6 is a side view showing a state where the frame is moved.
FIG. 7 is a side sectional view showing a state where a wiring device is attached to a wiring box.
FIG. 8 is a perspective view showing a wiring box according to a second embodiment.
FIG. 9 is a front view showing a state where the wiring box is mounted on a pillar.
FIG. 10 is a side sectional view showing a state where a wiring device is attached to the wiring box.
FIG. 11 is a front view showing a wiring device mounting frame.
[Explanation of symbols]
11 … Wiring box, 12 ... box body, 20 to 23 ... upper side wall, lower side wall, left side wall, right side wall as peripheral wall, 28 ... wiring device mounting part, 29 ... wiring device, 34 ... piercing body, 35 ... wall material, 42 ... wiring device mounting frame.

Claims (4)

A box main body having an opening on the front side, facing the opening of the box main body, a pair of wiring device mounting portions having mounting holes capable of mounting wiring devices in the box main body are integrally formed on the inner surface of the peripheral wall of the box main body, A wiring box which is provided with a wall material in front of the opening of the box main body and is arranged in advance on the back side of the wall material so as to move toward the wall material side ,
A through hole is formed in the wall material at a position corresponding to the box body, and when a wiring device is mounted via a wiring device holding frame from the front side of the wall material, a mounting screw is screwed into the mounting hole. Thereby, the piercing body which can draw the box body toward the wall material side and cut into the wall material is formed on the front surface of the box body. The wiring box according to claim 1, wherein at least one pair of the piercing bodies is provided to face each other. A frame having an opening on the front surface is provided, and a pair of wiring device mounting portions facing the opening of the frame and having a mounting hole for mounting a wiring device in the frame are integrally formed on the inner surface of the peripheral wall of the frame, A wiring device mounting frame in which a wall material is installed in front of the opening of the frame body and is arranged in advance on the back side of the wall material so as to move toward the wall material side ,
A through hole is formed in the wall material at a position corresponding to the frame, and when a wiring device is mounted from the front side of the wall material via the wiring device holding frame, a mounting screw is screwed into the mounting hole. Accordingly, the wiring device mounting frame in which the piercing body which is drawn toward the wall material side and can bite into the wall material is formed on the front surface of the frame body. The wiring device mounting frame according to claim 3, wherein at least one pair of the piercing bodies is provided to face each other.

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