JP2003070122A - Wiring box and wiring box device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wiring box and a wiring box device capable of smoothly and positively storing a cable and wiring accessories connected to the cable by reducing the protrusion amount of the retaining part of a screw. SOLUTION: A first retaining part 31 is formed protrusively on a bottom wall 17 of a wiring box 11, and the first protruding parts 31a are formed on both side faces of the first retaining part 31. A pair of second protruding parts 32 are protrusively formed on the bottom wall 17 disposed on both long sidewalls 15 of the first retaining part 31, and second protruding parts 32a are formed on respective second protruding parts 32. A pair of tilting spaces 34 are formed to pass through the bottom 17. Regulating parts 35 tilting upward as moving toward the bottom surface 17a are formed, respectively, on the inner edges of respective tilting spaces 34. A pair of head storing spaces 33 retreated toward the back face from the bottom wall 17a are disposed on the bottom wall 17 on an extension in the long direction of both tilting spaces 34.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to, for example, a wiring box in which a cable is wired and a wiring device connected to the cable is mounted, and a wiring device mounting screw for mounting the wiring device in the wiring box. The present invention relates to a wiring box device provided with.

[0002]

2. Description of the Related Art Generally, a wiring box is formed of a synthetic resin material into a rectangular box shape having an opening, and an insertion hole for inserting a cable into the wiring box is formed on a peripheral wall of the box. Further, a mounting portion having a predetermined thickness and having a rectangular shape is formed on one side surface of the wiring box, and mounting holes are formed at a plurality of locations in the mounting portion. In the mounting hole, a wiring box is mounted via a mounting portion to a pillar constructed on the back side of the wall using a mounting screw.

A conduit is connected to the insertion hole, and a cable is inserted and wired from inside the conduit into the wiring box. Then, the wall is arranged on the opening side of the wiring box. When the wiring box is used, a hole is formed in a wall, a cable wired in the wiring box is drawn out from the hole, and a wiring device such as an outlet or a switch is connected to the cable. The wiring device is attached and fixed to the wiring box by a screw for mounting the wiring device. The screw is held by a holding portion formed so as to project from the bottom wall surface in the wiring box, and is detached from the holding portion and used when the wiring device is attached to the wiring box.

[0004]

However, in recent years, with respect to wiring equipment, as the shape and outer shape of the wiring equipment have been diversified, large-sized ones are often used, and the thickness of the wiring box has a large thickness. As the thickness of the wall has become thinner, it is becoming thinner. Therefore, when the cable and the wiring device connected to the cable are housed in the wiring box, the holding portion protruding from the bottom wall becomes an obstacle, and the cable and the wiring device cannot be smoothly housed in the wiring box. There was a problem.

Since the space in the wiring box is small, the work of connecting the wiring device and the cable is performed by pulling out the cable from the wiring box. Therefore, the cable is accommodated in a wound state with a sufficient extra length inside the wiring box so that the cable can be pulled out to the front side of the wall arranged on the opening side of the wiring box. Preferably.

However, when a cable having an extra length portion is accommodated in the wiring box, the holding portion becomes an obstacle, and the cable cannot be reliably accommodated in the wiring box. There is a problem that the cable having the long portion cannot be housed in the wiring box.

The present invention has been made by paying attention to the problems existing in the prior art. An object of the invention is to provide a wiring box and a wiring box device in which a protruding amount of a screw holding portion can be reduced and a cable and a wiring device connected to the cable can be smoothly and reliably accommodated. Especially. Another object is to provide a wiring box and a wiring box device capable of accommodating a cable having a sufficient length of extra length.

[0008]

In order to solve the above problems, the invention according to claim 1 is for mounting a wiring device on a bottom wall of a box body having a bottomed box shape having an opening. Is a wiring box having at least a pair of holding portions for holding the shaft portion of the screw and holding the screw in the box body, wherein the screw shaft portion is provided on the bottom wall of the box body. A head accommodating space for accommodating the head of the screw held by the holder is formed along the head, and the shaft portion of the screw has a bottom wall corresponding to the head of the screw accommodated in the head accommodating space. The point is to be moved in the direction.

According to a second aspect of the present invention, the screw is attached to the box body so that the shaft portion of the screw for attaching wiring equipment is aligned with the bottom wall of the box body having a bottomed box shape having an opening. A wiring box having at least a pair of holding portions for holding, wherein a bottom wall of the box body accommodates a head of the screw held by the holding portion such that a shaft portion of the screw is along the bottom wall. The gist of the present invention is that the head housing space is formed and the shaft portion of the screw is moved in the direction of the bottom wall by the amount of the head of the screw housed in the head housing space.

According to a third aspect of the present invention, in the wiring box according to the first or second aspect, the at least one pair of holding portions has a screw shaft portion such that the screw shaft portion is in close contact with the bottom wall surface. The main point is to hold.

According to a fourth aspect of the present invention, in the wiring box according to the first or second aspect, the shaft portion of the screw is retracted from the bottom wall surface to the rear side on the bottom wall of the box body. The gist of the invention is that the receiving surface that is accommodated therein is recessed.

According to a fifth aspect of the present invention, in the wiring box according to any of the first to fourth aspects, the head accommodation space extends along the axial direction of the screw held by the holding portion. The main point is that it is formed as described above.

According to a sixth aspect of the present invention, the wiring box according to any one of the first to fifth aspects, the shaft portion is held by the holding portion of the wiring box, and the head is accommodated in the head accommodation space. The gist of the present invention is to provide a screw for mounting a wiring device in which the part is housed.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings. As shown in FIG. 1, a wiring box 11 made of a synthetic resin is configured by integrally mounting a mounting portion 13 on a box body 12 having a rectangular box shape with a bottom. The box body 12 is formed in a rectangular box shape having a peripheral wall 16 composed of a pair of short side walls 14 facing each other and a pair of long side walls 15 facing each other, and a bottom wall 17 closing one end side of the peripheral walls 16 and an opening. .

The pair of short side walls 14 communicate with each other by a predetermined length from the opening of the box body 12 toward the bottom wall 17 by a predetermined length.
And a circular wiring penetrating portion 19 is formed from the inner edge of the communicating portion 18. Then, as shown by the broken line in FIG. 5, the electric wire tube 20 is connected to the wiring penetrating portion 19, and the cable 21 is inserted into the electric wire tube 20,
The cable 21 is inserted and wired in the wiring box 11.

A long hole-shaped attachment hole 22 is formed in the attachment portion 13 so as to penetrate one long side wall 15. And
By screwing the screw 24 into the pillar 23 as a structure for constructing a building from the mounting hole 22, the wiring box 11 can be mounted to the pillar 23 via the mounting portion 13. There is.

A fixing portion 25 whose end face faces the opening is formed at an intermediate position on the inner surface side of each short side wall 14, and a fixing hole 26 is formed at the center of the fixing portion 25. A female screw (not shown) is formed on the inner peripheral surface of the fixing hole 26. Then, the wiring device mounting screws 30 are inserted into the fixing holes 26 from the insertion holes 29 formed in the upper and lower ends of the wiring device mounting frame 28 holding and fixing the wiring device 27 such as a switch and an outlet. Further, by screwing the male screw of the screw 30 into the female screw of the fixing hole 26, the wiring device 2
7 through the wiring equipment mounting frame 28 wiring box 11
It can be attached and fixed to.

As shown in FIGS. 1 to 3, one short side wall 1
From the bottom wall 17 in the vicinity of 4, a first holding portion 31 having a substantially rectangular columnar shape and having flexibility is formed to project. A first projecting portion 31 a which has a substantially semi-circular shape in a plane and extends downwardly and vertically to the entire first holding portion 31 on the side of both long sidewalls 15 of the first holding portion 31 and which projects in the direction of both long sidewalls 15 is formed. Are formed. Moreover, chamfering is applied to both side edges of the upper end of the first holding portion 31.

A pair of second holding portions 32, each having a substantially rectangular prism shape and having flexibility, oppose the first holding portion 31, on the bottom wall 17 located on both long side wall 15 sides of the first holding portion 31. Are formed so as to protrude. Each second holding unit 3
On the side of the first holding portion 31 of No. 2, it is formed in a substantially semicircular shape in the plane.
Second protrusions 32a are formed so as to hang down over the entire upper and lower sides of the holding portion 32 and respectively face the first protruding portions 31a of the first holding portion 31. Further, the inner edge of the upper end of the second holding portion 32 is chamfered. The distance between the first protrusion 31a and the inner surface of each second protrusion 32a is formed to be slightly smaller than the diameter of the shaft portion 30a of the screw 30.

Then, the first holding portion 31 and the second holding portion 32
By inserting the tip portion of the shaft portion 30a of the screw 30 between them and sandwiching the screw 30 by the first projecting portion 31a and each second projecting portion 32a, as shown in FIG. The screw 30 can be held while being sandwiched between the two holding portions 32.

When the screws 30 are respectively sandwiched between the first holding portion 31 and the second holding portion 32, the bottom wall 17 on which the head portions 30b of the screws 30 are located extends along the axial direction of each screw 30. The head portion 30 of each screw 30 extends and extends in the width direction.
Head accommodation space 33 having a rectangular shape in a plane substantially the same as the width of b
Are recessed. The head-accommodating spaces 33 have an arcuate cross section and are recessed by retracting rearward from the bottom wall surface 17a.

Further, the bottom wall 17 in the vicinity of one short side wall 14 on which the tip of the shaft portion 30a of the screw 30 is located is
A pair of tilting spaces 34, each of which has a rectangular shape in plan view, are formed through the bottom wall 17. In each of the tilting spaces 34, a regulating portion 35 that tilts upward as it goes to the bottom wall surface 17a is formed at the inner edge thereof.

Clamping protrusions 36 as columnar clamping portions are formed on the bottom wall 17 on the extension lines of the first retaining portion 31 on both sides of the regulating portions 35, and the regulating portion 3 of the second retaining portion 32 is formed.
On the bottom wall 17 on the extension line on the 5 side, columnar holding projections 36 are formed, respectively. The distance between the pair of sandwiching projections 36 sandwiching each regulation portion 35 is formed slightly smaller than the diameter of the shaft portion 30a of the screw 30.

Then, the first holding portion 31 and the second holding portion 32
The tip portion of the shaft portion 30a of the screw 30 is fitted in between, and the screw 30 is sandwiched by the first protruding portion 31a and each second protruding portion 32a. At this time, as shown in FIG.
Since the lower end side of 0b is housed in the head housing space 33,
The shaft portion 30a of the screw 30 is configured to closely adhere to the bottom wall surface 17a. Further, the outer surface of the shaft portion 30a of the screw 30 is in point contact with the first protruding portion 31a and the second protruding portion 32a. Further, the middle portion of the shaft portion 30a of the screw 30 is clamped by the pair of clamping protrusions 36. The wiring box 11 and the screw 30 form a wiring box device 39.

A method of using the wiring box device 39 and its operation will be described. First, as shown in FIG. 1, a screw 3 is provided between the first holding portion 31 and the one second holding portion 32.
The tip end portion of the shaft portion 30a of No. 0 is fitted, the lower end side of the peripheral surface thereof is brought into close contact with the bottom wall surface 17a, and the lower end side of the head portion 30b of the screw 30 is housed in the head housing space 33. At the same time, the shaft portion 30a of the screw 30 is attached to the first protrusion 31
The screw 30 is held by being clamped by a, the second protrusion 32a, and the pair of clamping protrusions 36.

At this time, the bottom wall 17 of the wiring box 11
The head accommodation space 33 is formed at a position retracted rearward from the bottom wall surface 17a. Also, the first protrusion 31a
The second protrusion 32a hangs down toward the bottom wall 17. Therefore, the screw 30 can be moved toward the bottom wall 17 by the amount of the head portion 30b of the screw 30 accommodated in the head accommodation space 33, and the shaft portion 30a of the screw 30 is closely attached to the bottom wall surface 17a. Can be made. Since the shaft portion 30a of the screw 30 may be held by the first holding portion 31 and the second holding portion 32, the first holding portion 31 and the second holding portion 3
The protrusion amount of 2 becomes small.

Further, the head accommodation space 33 has the first holding portion 3
The recess 30 is provided so as to extend along the axial direction of the screw 30 held between the first holding portion 32 and the first holding portion 32. Therefore, the position of the shaft portion 30a of the screw 30 held by the first holding portion 31 and the second holding portion 32 may be slightly displaced, or the screw 30 may be displaced.
Even if the axial length of the screw is changed, the head portion 30b of the screw 30 can be accommodated in the head accommodation space 33 correspondingly.

Since both side edges of the upper end of the first holding portion 31 and the inner edge of the upper end of the second holding portion 32 are chamfered,
The shaft portion 30a of the screw 30 is attached to the first holding portion 31 and the second holding portion 3
It can be easily inserted by guiding between the two. Further, since the first holding portion 31 and the second holding portion 32 have flexibility, when the screw 30 is fitted, the first holding portion 31 and the second holding portion 32 bend outward to prevent the passage of the screw 30. In addition to allowing, the shaft 30a of the screw 30 is pressed and pinched after returning to the original state after passing. As a result, the screw 30 can be reliably held between the first holding portion 31 and the second holding portion 32. The screw 30 is similarly held between the first holding portion 31, the other second holding portion 32, and the pair of holding projections 36. Then, the wiring box device 39 is configured.

Next, the first holding portion 31 and the second holding portion 3
As shown in FIG. 5, the wiring box 11 in which the pair of screws 30 is held by 2 is screwed into the pillar 23 for constructing the building from the mounting hole 22 by screwing the screw 24 into the wiring box. 11 is attached to the pillar 23 via the attachment portion 13. Then, the cable 21 is inserted into the electric wire tube 20 connected to the insertion hole 38 of the wiring box 11, and the cable 21 is wound so as to have a sufficient extra length portion in the wiring box 11. To accommodate the wiring.

At this time, since the projecting amounts of the first holding portion 31 and the second holding portion 32 are small, the cable 21 wound so as to have a sufficient length of extra length can be easily wired. It can be housed in the box 11.

Next, a wall 37 is erected on the opening side of the wiring box 11. Then, when connecting the wiring device 27 to the wiring box 11, the wiring box 11 is connected to the wall 37.
A hole 38 having a size corresponding to the opening is formed. And
The cable 21 wired in the wiring box 11 is provided with a hole 3
8 to the front side of the wall 37 and at the tip of the wiring device 2
7 is connected, and the wiring device 27 is connected to the wiring device mounting frame 28.
To hold. At this time, since the cable 21 accommodated in the wiring box 11 has a sufficient length of extra length, the cable 21 can be sufficiently pulled out to the front side of the wall 37.

Subsequently, the tip end side of the shaft portion 30a of the screw 30 held between the first holding portion 31 and the second holding portion 32 is pressed in the tilting space 34 direction with a finger. Then, as shown in FIG. 4, the tip end side of the shaft portion 30a of the screw 30 is housed in the tilting space 34 and inclines toward the bottom wall 17, and at the same time, the head portion 30b side of the screw 30 of the box body 12 is moved. Rotate to incline toward the opening.

At this time, since the screw 30 is supported by the outer surface of the shaft portion 30a thereof being in point contact with the first projecting portion 31a and the second projecting portion 32a, the screw 30 can be easily rotated. . When the shaft portion 30a of the screw 30 comes into contact with the regulating portion 35, the screw 30 is positioned and regulated at that position,
The head portion 30b of the screw 30 is supported in a state of being inclined at an appropriate angle in the opening direction of the box body 12.

Then, the head portion 30b of the screw 30 inclined toward the opening direction of the box body 12 is picked up, and the first protruding portion 31a is formed.
And the shaft portion 30 of the screw 30 sandwiched between the second protruding portion 32a
The head 30b side of the screw 30 is further rotated upward with the portion where “a” comes into contact with the restriction portion 35 as a fulcrum.

Finally, when the screw 30 is rotated to a position substantially orthogonal to the bottom wall 17, the first protrusion 31a is formed.
The pinching of the screw 30 by the second projecting portion 32a is released, and the screw 3 is inserted between the first holding portion 31 and the second holding portion 32.
0 is removed.

At this time, the screw 30 can be removed while the head 30b of the screw 30 is always pinched. Therefore, the shaft 30a of the screw 30 is picked up, and the screw 3
The head 30b does not need to be picked up again after the head 30b of 0 has been moved to a position where it can be picked, and the work of removing the screw 30 held between the first holding portion 31 and the second holding portion 32 is easy. Can be done.

The cable 21 to which the wiring device 27 is connected is housed in the wiring box 11, and the wiring box 11 is inserted through the through holes 29 formed at the upper and lower ends of the wiring device mounting frame 28. Screw 3 in the fixing hole 26
0 is screwed to attach the wiring device 27 to the wiring box 11 via the wiring device mounting frame 28.

The effects exhibited by the above embodiment will be described below. A head accommodation space 33 is formed in the bottom wall 17 at a position retracted rearward from the bottom wall surface 17a. Then, the shaft portion 30a of the screw 30 in which the head portion 30b is housed in the head housing space 33 is held by the first holding portion 31 and the second holding portion 32. Therefore, as compared with the case where the shaft portion 30a of the screw 30 in which the lower end of the head portion 30b is in contact with the bottom wall surface 17a is held by the holding portion, the first holding portion 31 and The amount of protrusion of the second holding portion 32 can be reduced. As a result, the first holding portion 31 and the second holding portion 32 prevent the cables 21 having the extra length portion and the wiring device 27 connected to the cable 21 from hindering the accommodation, and connect them to the wiring box. It can be smoothly accommodated in 11. Further, the extra length portion can be made to have a sufficient length, and the cable 21 can be pulled out to the front side of the wall 37 to facilitate the work of connecting the wiring device 27 and the cable 21.

The bottom wall 17 on which the tip of the screw 30 held between the first holding portion 31 and the second holding portion 32 is located,
A tilting space 34 is formed through the bottom wall 17. Therefore, by pressing the tip end side of the shaft portion 30a of the screw 30 in the tilting space 34 direction with a finger, the tip end side of the screw 30 is housed in the tilting space 34, and the head portion 30b side of the screw 30 is placed in the box body 12. Can be inclined in the opening direction. As a result, the screw 30 can be easily picked, and the work of removing the screw 30 from the first holding portion 31 and the second holding portion 32 can be easily performed.

The bottom wall 17 is provided at the inner edge of each tilting space 34.
Restricting portions 35 are formed so as to incline in each direction.
Then, when the screw 30 is rotated and its shaft portion 30 a comes into contact with the regulation portion 35, the head portion 30 b of the screw 30 is positioned and supported with the head portion 30 b inclined in the opening direction of the box body 12. Therefore, the head 30b of the screw 30 can be easily picked. Therefore, the screw 30 held between the first holding portion 31 and the second holding portion 32 can be removed while the head 30b of the screw 30 is always pinched.
There is no need to perform a work of picking up from the shaft portion 30a to the head portion 30b. Therefore, it is possible to prevent the screw 30 from dropping from the hand.

On the long side walls 15 side of the first holding portion 31 and on the regulating portion 35 side of each second holding portion 32, there are provided a first protruding portion 31 a and a second protruding portion 32 a, which are substantially semicircular in plan view, respectively. Has been formed. Then, the first protrusion 31a and the second
Since the protrusion 32a makes point contact with the outer surface of the screw 30,
Screw 30 held between holding portion 31 and second holding portion 32
Can be easily rotated.

The head accommodation space 33 is recessed so as to extend along the axial direction of the screw 30 held between the first holding portion 31 and the second holding portion 32. Therefore, even if the position of the shaft portion 30a of the screw 30 held by the first holding portion 31 and the second holding portion 32 is slightly deviated or the axial length of the screw 30 is changed, it is possible to cope with them. Then screw 30
The head portion 30b of the head can be housed in the head housing space 33. Therefore, the head 30b is accommodated in correspondence with the screw 30 whose length is changed in accordance with the thickness of the wall 37, the wiring equipment mounting frame 28, and the like standing upright on the opening side of the wiring box 11. It can be held between the first holding portion 31 and the second holding portion 32.

A pair of columnar holding projections 36 are formed on the bottom wall 17 on the extension lines of both side edges in the length direction of each tilting space 34 so as to face each other. When the shaft portion 30 a of the screw 30 is held between the first holding portion 31 and the second holding portion 32, the intermediate portion of the shaft portion 30 a of the screw 30 is also held between the pair of holding protrusions 36. . Therefore, the first holding portion 31, the second holding portion 32, and the sandwiching projection 3
6 can fix the screw 30 in the lateral direction.

The embodiment can be modified and embodied as follows. In the present embodiment, the head accommodation space 33 is provided in the bottom wall 17
You may form so that it may penetrate. In this case, the head portion 30b of the screw 30 penetrates the bottom wall 17 and is housed in the head housing space 33. Therefore, compared with the case where the head portion 30b of the screw 30 contacts the bottom wall surface 17a,
The protrusion amount of the holding portion 31 and the second holding portion 32 can be reduced.

The tilting space 34 and the regulation portion 35 may be omitted. When configured in this way, the head 3 of the screw 30
0b is accommodated in the head accommodation space 33. Therefore, the protrusion amount of the first holding portion 31 and the second holding portion 32 can be reduced as compared with the case where the head portion 30b of the screw 30 contacts the bottom wall surface 17a.

The restricting portion 35 may be omitted, and the boundary between the tilting space 34 and the bottom wall 17 may be orthogonal to the bottom wall surface 17a. -Omitting the first protruding portion 31a and the second protruding portion 32a,
Both side surfaces of the first holding portion 31 and the inner side surface of the second holding portion 32 may be formed in a flat shape. Even with this configuration,
The shaft portion 30a of the screw 30 can be held by the first holding portion 31 and the second holding portion 32.

First protrusion 31 a and second protrusion 32
Alternatively, a may be changed to a flat triangular shape or the like. Also in the case of such a configuration, the first protruding portion 31a and the second protruding portion 32a and the outer surface of the screw 30 are pinched by point contact. Therefore,
The screw 30 can be easily rotated.

As shown in FIG. 6, the bottom wall surface 17 is located on the bottom wall 17 located between the first holding portion 31 and the second holding portions 32.
The shaft portion 30a of the screw 30 is set back toward the rear side from a.
The receiving surface 40 may be recessed corresponding to the length and diameter of the head receiving space 40, and the head housing space 33 may be formed through the bottom wall 17 from the edge of the receiving surface 40.

In the case of such a configuration, the first holding portion 31
When the base end portion of the screw 30 is held between the second holding portion 32 and the second holding portion 32, the head portion 30b of the screw 30 is housed in the head housing space 33, and the entire shaft portion 30a of the screw 30 receives the receiving surface 40. Housed inside. Therefore, the screws 30 can be held on the bottom wall 17 even if the protrusion amounts of the first holding portion 31 and the second holding portion 32 are formed to be smaller.

The length and width of the short side wall 14, the long side wall 15 and the bottom wall 17 of the wiring box 11 are enlarged to form the wiring box 11 larger than that in the embodiment. And
On the bottom wall 17 of the wiring box 11, the first holding portion 31,
The second holding portion 32 is formed at a plurality of locations, and the head accommodation space 33, the tilting space 34, and the regulation portion 35 are correspondingly formed.
May be formed at a plurality of locations.

Even with this structure, the cable 21 and the wiring device 27 can be smoothly accommodated in the wiring box 11. The shape of the wiring box 11 may be changed to a cylindrical shape having an opening, a triangular box shape, a pentagonal box shape, or the like.

The screw 24 for attaching the wiring box 11 to the pillar 23 may be held between the first holding portion 31 and the second holding portion 32. -One of the second holding portions 32 may be omitted, and the screw 30 may be held only by the first holding portion 31 and the one second holding portion 32. Even in the case of such a configuration, the screws 30 can be held by the first holding portion 31 and the one second holding portion 32, and they can be reduced in size to smoothly accommodate the cable 21 and the wiring device 27. You can

The pair of holding projections 36 formed corresponding to each tilting space 34 may be omitted. With such a configuration, the screw 30 can be held only by the first holding portion 31 and the second holding portion 32.

Further, the technical idea which can be understood from the above embodiment will be described below. The wiring box according to any one of claims 1 to 5, wherein a holding portion that holds the shaft portion of the screw held by the holding portion is formed.

In the case of such a configuration, since the shaft portion of the screw held by the holding portion is further held by the holding portion,
The screw can be stably held in the wiring box.

[0056]

As described in detail above, the present invention has the following effects. According to the present invention, it is possible to smoothly and surely accommodate a cable having a sufficient length of extra length and a wiring device connected to the cable by reducing the amount of protrusion of the screw holding portion.

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view showing a wiring box device according to an embodiment.

FIG. 2 is a plan view showing the wiring box device of the embodiment.

FIG. 3 is a partial side sectional view showing a screw held by a first holding portion and a second holding portion.

FIG. 4 is a partial side cross-sectional view showing a screw held by a first holding portion and a second holding portion.

FIG. 5 is an exploded perspective view showing a state in which a wiring device is attached to a wiring box.

FIG. 6 is a partial side sectional view showing another example of the wiring box device.

[Explanation of symbols]

11 ... Wiring box, 12 ... Box body, 17 ... Bottom wall, 17a ... Bottom wall surface, 30 ... Screw, 30a ... Screw shaft portion, 30b ... Screw head portion, 31 ... First holding portion as holding portion, 32 ... 2nd holding part as a holding part, 33 ... Head accommodation space, 39 ... Wiring box device, 40 ... Receiving surface.

Claims (6)

[Claims] 1. At least a pair of holding means for holding a shaft portion of a screw for mounting wiring equipment on a bottom wall of a box body having a bottomed box having an opening and holding the screw in the box body. A wiring box having a portion, wherein the bottom wall of the box body has a head-accommodating space for accommodating the head of the screw held by the holder so that the shaft portion of the screw extends along the bottom wall. A wiring box characterized in that the shaft portion of the screw is moved in the direction of the bottom wall by the amount of the head portion of the screw that is formed and accommodated in the head accommodation space. 2. At least a pair of holding portions for holding the screws in the box body so that the shaft portions of the screws for attaching wiring devices are aligned with the bottom wall of the box body having a bottomed box having an opening. A wiring box having a head-accommodating space for accommodating the head of the screw held by the holder so that the shaft portion of the screw is along the bottom wall of the box body. A wiring box characterized in that the shaft portion of the screw is moved toward the bottom wall by the amount of the head portion of the screw housed in the head housing space. 3. The wiring box according to claim 1, wherein the at least one pair of holding portions holds the screw shaft portion so that the screw shaft portion is in close contact with the bottom wall surface. 4. The bottom wall of the box body is provided with a recessed receiving surface in which the shaft portion of the screw is retracted rearward from the bottom wall surface and accommodated. Wiring box. 5. The wiring box according to claim 1, wherein the head accommodation space is formed so as to extend along the axial direction of the screw held by the holding portion. 6. The wiring box according to any one of claims 1 to 5, and a wiring device in which a shaft portion is held by a holding portion of the wiring box and a head is housed in a head housing space. Wiring box device with screws for mounting etc.