JP3510056B2 - Mounting device and wiring device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a standard support mounting device and wiring device.

[0002]

2. Description of the Related Art Conventionally, in order to install a wiring device, generally, a wiring device such as a switch or an outlet is attached to a standard support, and wiring drawn from a wiring box embedded in a wall surface is connected to the wiring device. , The standard support is screwed to the wiring box, and the decorative plate is attached to cover the standard support.

Further, in the case of mounting on a building material such as a wall surface without using a wiring box, for example, the actual construction of Sho 48-6
As described in Japanese Patent No. 7179, there is a structure in which a construction material is sandwiched and attached between a member that engages with the front surface of the construction material and a member that engages with the back surface of the construction material. Cannot be used and must use boxless parts only.

When the standard support is attached to the construction material, for example, as described in Japanese Utility Model Application Laid-Open No. 54-28049, a sandwich metal fitting engaged with the standard support is attached to the construction material. The fitting screws are inserted into the back of the construction material, and the mounting screws are screwed into the sandwich metal fittings through the standard support, and the construction material is sandwiched and attached between the standard support and the sandwich metal fittings.

[0005]

However, in the structure disclosed in Japanese Utility Model Laid-Open No. 54-28049, when the clip metal fitting is inserted into the mounting hole of the construction material, the clip metal fitting should be inserted without being caught in the construction material. It must be carried out while holding it by hand, and it is difficult to insert the sandwiching metal, which causes a problem of poor workability.

The present invention has been made in view of the above circumstances, and provides a mounting device and a wiring device which are capable of easily mounting a standard support to a building material such as a wall plate and have good workability. With the goal.

[0007]

According to a first aspect of the present invention, there is provided a mounting device having openings capable of vertically mounting three one-module type wiring devices defined by a standard, and
Standard supports having mounting holes in the left-right direction that are attached to the wiring box at the upper and lower edges thereof; a locking body having screw holes; and a guide section for guiding the locking body in parallel from one end to the other end. Is provided, and a joint surface is formed on one end surface side to be joined to the back surface side of the standard support.
Can be elastically engaged with the surface side of the standard support through the mounting hole
Mounting body provided with a pair of engaging engagement portions, the other end having a rotation permitting portion for permitting rotation of the locking body, and an end wall portion having an engagement hole; It is screwed into the screw hole of the locking body so that the wall plate is sandwiched between the locking body and the standard support by rotating through the mounting hole of the locking body, the screw hole of the locking body, and the engaging hole of the mounting body. And a mounting screw to be used.

By using this mounting device, a standardized support standardized for construction materials such as wallboards can be mounted. To attach the mounting device to the standard support,
Attach the mounting body to the back side of the standard support via the engaging part, screw the mounting screw passed from the front side of the standard support to the locking body, and install the locking body in the rotation allowance part of the mounting body. It is rotated to a retracted position that does not engage with. And in order to attach the standard support to the construction material, while inserting the mounting device attached to the back surface of the standard support into the wiring port formed in the construction material, the edge of the standard support is joined to the surface of the construction material, Rotate the mounting screw. As a result, after the locking body rotates together with the mounting screw to the locking position where it can be locked to the construction material, it moves parallel to the standard support along the guide part of the mounting body, and the standard support The construction material is sandwiched between.

[0009] wiring apparatus according to the second aspect, the mounting device 請 Motomeko 1 wherein; those which comprises a; and wiring devices attached to the standard support.

The mounting device mounts a standard support with wiring fittings attached to the building material. Wiring appliances include outlets, switches, and the like.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to FIGS.

FIG. 1 is an exploded perspective view of the mounting device, and FIG.
FIG. 3 is a perspective view of the wiring device in a disassembled state, and FIG. 3 is a partial side view of the wiring device in a mounted state.

In FIG. 2, the wiring device is attached to a wiring opening 2 formed in a wall plate 1 as a construction material, and has an outlet 3, a standard support 4, a mounting device 5, and a mounting plate 6 as wiring equipment. , A decorative plate 7 is provided.

The outlet 3 is formed as a one-module type defined by JIS standard, and has a case 11 made of synthetic resin having an insulating property and a cover 12 attached to the case 11, and the case 11 and the cover. An outlet unit as a wiring component (not shown) is housed between the insides of the twelve. A pair of insertion ports 13 into which a plug is inserted is formed on the front surface of the cover 12, and mounting recesses 14 are formed on both sides of the cover 12.

Further, the standard support 4 is a metal plate standardized by JIS standard, and an opening 21 is formed in the central portion thereof so that three wiring devices such as a one-module outlet 3 can be vertically mounted. ing. Corresponding to each outlet mounting position, the outlet 3 on one side of the opening 21
A claw portion 22 that engages with the mounting recess 14 on one side is formed, and a claw portion 23 that engages with the mounting recess 14 on the other side of the outlet 3 by caulking is formed on the other side.

The upper and lower edges of the standard support 4 are normally used for mounting a wiring box, and have mounting holes 24 which are elongated in the left-right direction.
And a circular mounting hole 25 is formed on the end side of the mounting hole 24.

The attachment device 5 is commonly attached to the upper and lower parts of the standard support 4 with the upper and lower surfaces thereof reversed, and as shown in FIG.
It has 32 and mounting screws 33.

The mounting body 31 has a substantially U-shaped cross section having side walls 34 on three sides and an opening 35 on the other side, an opening 36 is formed on one end, and an engaging hole is formed on the other end. An end wall 38 having 37 is formed. One end surface of the mounting body 31 is a joining surface 39 joined to the back surface of the standard support 4, and a substantially L-shaped engaging portion 40 is formed to project outward from the joining surfaces 39 of the side wall portions 34 on both sides. , These engaging parts
40 is engageable with the front surface side through the mounting hole 24 of the standard support 4. At the other end of the mounting body 31, a slit-shaped cutout portion 41 is formed in a side wall portion 34 in the counterclockwise direction when viewed from one end side, and the cutout portion 40 allows the locking body 32 to be within a range of approximately 90 °. A rotation permitting portion 42 that allows rotation is formed.
Edge portions of the side wall portions 34 on both sides facing the openings 35 are formed as guide portions 43 for restricting rotation of the locking body 32.

The locking body 32 is formed in an oval shape, has a thickness smaller than the interval between the cutout portions 41, is rotatable in the rotation permitting portion 42, and has a width perpendicular to the longitudinal direction of the opening portion. It is smaller than the interval of 35 and is movable in both end directions of the mounting body 31 in a state of protruding from the opening 35. A screw hole 44 is formed at one end of the locking body 32, and a peripheral portion of this one end is formed in an arc shape with the screw hole 44 as a center. Also, the mounting screw 33 is
It is a countersunk screw, and has a head 45 having a size capable of engaging with the mounting hole 24 of the standard support 4 at one end, and a locking body 32 at the other end.
A screw portion 46 is formed which is screwed into the screw hole 44 and is engageable with the engagement hole 37 of the mounting body 31.

As shown in FIG. 2, the mounting plate 6 is formed in the shape of a frame having an opening 51 at the center, and the upper and lower edges thereof are provided with mounting holes corresponding to the positions of the mounting holes 25 of the standard support 4.
52 are formed.

Further, the decorative plate 7 is a standard decorative plate defined by the JIS standard, and has a window hole 61 in which three wiring devices such as the outlet 3 of one module can be vertically arranged, and the rear surface thereof. Has an engaging claw (not shown) that is detachably engaged with the edge of the opening 51 of the mounting plate 6.

Next, the installation of the wiring device will be described.

First, the outlet 3 and the attachment device 5 are attached to the standard support 4.

Standard support for the cover 12 of the outlet 3
Of the cover 12 is engaged with the claw portion 22 on one side of the opening 21, and the mounting recess 14 on the other side of the cover 12 is attached to the other side of the opening 21. Face the nail part 23 of
By caulking the claw portion 23 and engaging with the mounting recess 14, the outlet 3 is mounted on the standard support 4.

A power line is led to the wiring port 2 of the wall board 1. The power line is pulled out from the wiring port 2 and the outlet 3
Connect to.

One engaging portion 40 of the mounting body 31 of the mounting apparatus 5 is engaged with the mounting hole 24 of the standard support 4, and the engaging portion 40 is mounted while the other side wall portion 34 of the mounting body 31 is moved toward one side. The mounting body 31 is attached to the standard support 4 by elastically engaging the hole 24. In the mounting body 31, the pair of engaging portions 40 have mounting holes.
While being engaged with 24, the standard support 4 is sandwiched between the engaging portion 40 and the joint surface 39, and is firmly attached to the standard support 4. Further, the threaded portion 46 of the mounting screw 33 is inserted from the surface side of the mounting hole 24, and the threaded portion 46 is screwed into the threaded hole 44 of the locking body 32 inserted inside the mounting body 31, and the locking body
The tip of the screw portion 46 penetrating the 32 is engaged with the engagement hole 37 of the mounting body 31. The locking body 32 is located at the horizontal position (retracted position) where the locking body 32 has entered the notch 41 of the mounting body 31. The mounting device 5 is common to the upper and lower parts of the standard support 4 and is mounted with its upper and lower surfaces reversed.

The assembly of the outlet 3, the standard support 4, and the mounting device 5 and the connection of the power supply line may be performed in any order.

Then, the outlet 3 and the mounting device 5 attached to the standard support 4 are inserted into the wiring port 2 from the back side, and the upper and lower edge rear surfaces of the standard support 4 are joined to the upper and lower edge surfaces of the wiring port 2. The mounting screw 33 of the mounting device 5 is rotated in the tightening direction, that is, the clockwise direction by a tool such as a screwdriver.

When the mounting screw 33 is rotated clockwise,
The locking body 32 is integrated with the mounting screw 33 in the clockwise direction by about 90 degrees.
It pivots and moves to a vertical position (protruding position), and the locking body 32 is disengaged from the notch portion 41 of the mounting body 31 and abuts on the guide portion 43 of the side wall portion 34 opposite to the notch portion 41. This guide part
The rotation of the locking body 32 is restricted by the contact with 43, and the screw portion 46
The locking body 32 is standard support 4
Translate towards. Thereby, as shown in FIG. 3, the locking body 32 engages with the back surface of the wall plate 1, and the standard support 4
The wall board 1 is sandwiched between the locking body 32 and the locking body 32, and the standard support 4 is attached to the wall board 1.

Next, the mounting plate 6 is attached to the standard support 4
The mounting plate 6 is mounted on the standard support 4 by screwing a mounting screw (not shown) through the mounting hole 52 of the mounting plate 6 into the mounting hole 25 of the standard support 4 in accordance with the circumference of the mounting plate 6. Further, the decorative plate 7 is attached to the surface side of the attachment plate 6, and the outlet 3 is exposed through the window hole 61.

As described above, even when the wiring device is installed on the wall board 1, by using the mounting device 5, the standard support 4 can be easily mounted and the workability is good.

When the standard support 4 is removed from the wall plate 1 for replacement or maintenance of wiring equipment, the decorative plate 7 and the mounting plate 6 are removed, and then the mounting screw 33 of the mounting device 5 is unfastened. Direction, that is, counterclockwise. When the mounting screw 33 is rotated counterclockwise, the locking body 32 is slightly rotated counterclockwise integrally with the mounting screw 33, and then the guide portion of the side wall portion 34 on the notch 41 side.
Rotation is restricted by contacting 43, and the locking body 32 moves in parallel in a direction away from the standard support 4 through the screw engagement of the screw portion 46 and the screw hole 44. Thereby, the sandwiching of the wall plate 1 with the standard support 4 is released, and when the locking body 32 faces the notch 41, it enters the notch 41, and the standard support 4 is attached to the wall plate 1.
Can be removed from.

[0033]

According to the mounting device of the first aspect, when the standard support is mounted on the building material such as a wall plate, the locking body is retracted so as not to engage with the building material at the rotation permitting portion of the mounting body. The locking position allows the locking body to be easily inserted into the building material by rotating it to the position, and the locking body can be locked to the building material by tightening the mounting screw. The structure can be mounted by sandwiching the building structure between the standard support and the locking body by rotating it to the right. Therefore, the standardized support standardized to the building material can be easily mounted and the workability is good. .

According to the wiring device of the second aspect, since the mounting device of the first aspect is used, the standard support having the wiring device attached thereto can be easily attached to the construction material, and the workability is good. .

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a mounting device showing an embodiment of the present invention.

FIG. 2 is a perspective view of the same wiring device in an exploded state.

FIG. 3 is a side view of a part of the same wiring device as that in the attached state.

[Explanation of symbols] 1 Wall plate 3 Outlet as wiring device 4 Standard support 5 Mounting device 21 Opening 24 Mounting hole 31 Mounting body 32 Locking body 33 Mounting screw 37 Engagement hole 38 End wall 39 Joining surface 40 Engagement Part 42 Rotation allowance part 43 Guide part 44 Screw hole

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References Japanese Patent Laid-Open No. 193013 (JP, A) Japanese Patent Laid-Open No. 10-56718 (JP, A) Actual Flat 6-9317 (JP, U) Actual Flat 5- 29227 (JP, U) Actual development Sho 53-4294 (JP, U) Actual development 3-54312 (JP, U) Actual development 4-54413 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) H02G 3/02 H05K 5/02

Claims (2)

(57) [Claims] Claims: 1. There is an opening for vertically mounting three 1-module type wiring fixtures defined by the standard, and the upper and lower edges thereof are long holes in the left-right direction to be attached to a wiring box, respectively. A standard support having a mounting hole of; a locking body having a screw hole; a guide portion for guiding the locking body in parallel from one end to the other end, and one end side of which is joined to the back side of the standard support The standard support is formed through the mounting holes of the standard support as the joint surface is formed and outward from the joint surface.
A pair of engaging portions that can be elastically engaged is provided on the front surface side of the port, and a rotation permitting portion that allows the rotation of the locking body is provided at the other end, and an end wall portion having an engaging hole. A mounting body provided with; a wall plate is sandwiched between the locking body and the standard support by rotating through the mounting hole of the standard support, the screw hole of the locking body, and the engaging hole of the mounting body. And a mounting screw screwed into a screw hole of the locking body; 2. The mounting device according to claim 1, Wiring equipment attached to standard support; A wiring device comprising: