JP2000270435A - Wiring accessory attachment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve airtightness of a wiring accessory attachment by preventing the air at the attaching place of wiring accessories by absorbing the thickness variation of the attaching place and stably attaching a decorative plate to a plate frame. SOLUTION: A wiring accessory attachment is provided with a plate frame 1, a clamp holding section 3 of the frame 1, and a clamp 7 housed in a recessed groove 71 of the holding section 3. The attachment is also provided with a screw 5 screwed in the tapped hole 72 of the clamp 7 and a decorative plate 28, from which a locking click 29 is protruded. A wiring accessory 14 is attached to the plate frame 1. A structural material is sandwiched between the clamp 7 and plate frame 1. The decorative plate 28 is arranged on the front face of the frame 1. The locking click 29 of the plate 28 is engaged with the locking section 20 of the frame 1. The cosmetic plate 28 is attached to the frame 1, in a state where the wiring accessories 7 are exposed through an opened window 27. The head section of the screw 5 is sunk in the surface recess 73 of the plate 1 covered with the decorative plate 28. At attachment of the cosmetic plate 28 to the plate frame 1, a plate 16 is accommodated between the plate 28 and frame 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring device mounting device, and more particularly, to a wiring device mounting device, which absorbs a difference in thickness of a wiring device mounting portion so as to be mounted well, and a decorative plate is stably mounted on a plate frame. In addition, the present invention relates to a technique for preventing air from being generated in a mounting portion and improving airtightness.

[0002]

2. Description of the Related Art Conventionally, when a wiring device is mounted on an opening such as a wall, it is difficult to absorb variations in the thickness of a mounting portion such as a wall and to mount the wiring device satisfactorily. It is difficult to install the wiring device stably, and the airtightness is impaired due to the occurrence of ventilation inside and outside the room from the place where the wiring device is mounted.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of such a problem, and it has been proposed to absorb a difference in thickness at a place where a wiring device is to be mounted, and to satisfactorily mount the wiring device.
The decorative plate can be stably attached to the plate frame, and furthermore, while preventing ventilation at the attached position, the opening of the plate frame can be closed by the plate,
An object of the present invention is to provide a wiring device mounting device that can prevent air from circulating through an opening between an outdoor room and a room and can also improve the airtightness of the room.

[0004]

According to a first aspect of the present invention, an opening is provided and an engaging hole is formed in an edge of the opening.
, A scissor fitting holding portion 3 having a concave groove 71 projecting from the rear surface of the plate frame 1 and opening to the outer surface, and a scissor fitting holding portion 3 having a base end having a screw hole 72 formed therein. And the scissor fitting 7 to be accommodated in the concave groove 71, and the hole 6 of the plate frame 1 are inserted into the scissor fitting holding portion 3,
A screw 5 screwed into the screw hole 72 of the scissors 7 and a decorative plate 28 provided with an opening window 27 and having a locking claw 29 protruding therefrom are provided in the opening 2 of the plate frame 1. The wiring device 14 is attached to the plate frame 1 by disposing the wiring device 14 and locking the locking piece 15 protruding from the wiring device 14 into the locking hole 13 at the edge of the opening 2. By sandwiching the construction material between the scissors 7 and the plate frame 1 that move in the direction of the hole 6 of the plate frame 1 with the advance, the plate frame 1 is attached to the hole formed in the construction material, 1 and a locking claw 29 of the decorative plate 28 is locked to a locking portion 30 provided on the plate frame 1 to open the wiring device 14 attached to the plate frame 1 from the opening window 27. With the The mounting decorative plate 28 in preparative frame 1, to form a surface recess 73 recessed in the plate frame 1 of the surface covered by the decorative plate 28, the screw 5 in the surface recess 73
The plate 16 is placed on the plate frame 1 and the decorative plate 2 with the wiring device 14 exposed in the opening 17.
8 and is attached.

According to such a configuration, the plate frame 1 on which the wiring device 14 is attached can be fixed to the erection material by sandwiching the erection material between the scissor metal member 7 and the erection material. Even if it is variously different, the difference in the thickness can be absorbed by the amount of movement of the scissors fitting 7 that moves as the screw 5 advances.
Can be mounted without hindrance. Also,
Since the heads of the screws 5 are submerged in the surface recesses of the plate frame 1 covered with the decorative plate 28, the heads of the screws 5 do not protrude from the surface of the plate frame 1 and the decorative plate 2
8 can be stably attached to the plate frame 1. Furthermore, since the board 16 is accommodated between the plate frame 1 and the decorative plate 28 in a state where the wiring device 14 is exposed in the opening 17, the ventilation is prevented from passing through the hole formed in the construction material. This makes it possible to close the opening 2 of the plate frame 1 with the plate 16 to improve the airtightness of the room.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an exploded perspective view of the whole, in which a plate frame 1 disposed on the front side of a construction surface is formed in a round shape, and an opening 2 is formed substantially in the center. On the both sides on the back side of the plate frame 1, legs having a U-shaped cross section through which holes in the construction surface are inserted are integrally provided as scissor fitting holders 3.

A screw 5 having a screw 4 made of synthetic resin at its base is provided through a hole 6 which is an insertion hole of the plate frame 1, and the tip of the screw 5 is screwed into a screw hole 72 of a scissor fitting 7. I have. By tightening the screws 5 arranged inside the scissors holding portion 3, the construction material is sandwiched between the periphery of the back surface of the plate frame 1 and the scissors 7 and the plate frame 1 is disposed on the construction surface. Screw holes 8 for screwing directly to the construction surface are formed on both sides of the plate frame 1.

[0008] Locking claws 10 are integrally formed on both sides of both sides of the middle frame 9 which is removably mounted in the opening 2 of the plate frame 1, and inside the opening 2 of the plate frame 1. Is formed with a locking recess 11 into which the locking claw 10 is inserted and locked. A pair of locking holes 13 is formed in the side pieces 12 on both sides of the middle frame 9.
Are drilled in two sets.

A switch S as a wiring device 14 is disposed inside the middle frame 9, and a pair of locking projections 15, which are provided on both sides of the switch S, are fixed to the middle frame 9. The switch S is detachably attached to the middle frame 9 by being inserted and locked in the locking hole 13. The middle frame 9 is large enough to mount two switches S, but in the case of FIG. 1, one switch S is mounted. In this case, the switch S is inserted into the two locking holes 13 inside the middle frame 9.
The locking piece 15 is locked.

The middle frame 9 is used when the device is a piano-operated push button switch, and two sets of locking holes 13 are formed on both sides so that two switches S can be mounted. It has become. Since the middle frame 9 is shared between the case where two switches S are mounted and the case where one switch S is mounted, the width of the inner locking hole 13 is formed longer than that of the outside in order to adjust the pitch.

A plate 16 is mounted on the front surface of the plate frame 1, and an opening 17 for exposing the switch S is formed in the center. In the periphery, a circular hole 18 for the escape of the screw 5 and a semicircular hole 19 for the escape of the screw hole 8 are formed. Claws 21 are formed at four positions on the periphery of the plate 16 to be inserted and locked in the holes 20 of the plate frame 1.

An operation handle 22 detachably mounted on the upper surface of the switch S is formed in a round shape, and a recess 23 for pushing operation with a fingertip is formed on one end side, and is formed on the other end side. A display window 24 is formed. A display unit 25 for lighting and displaying is provided on the upper surface of the switch S, and a lens 26 for condensing the light of this display and transmitting it to the display window 24 is attached to the lower surface of the handle 22.

A decorative plate 28 having an opening window 27 slightly larger than the handle 22 formed in the inside thereof is formed in a round frame shape, and as shown in FIG. Have been. The locking claw 29 is inserted and locked into a locking portion 30 perforated in the plate frame 1, so that the decorative plate 28 is detachably mounted on the plate frame 1.

FIG. 2 shows the back of the decorative plate 28.
As shown in FIG. 3, a guide rib 31 is formed around the rear surface of the decorative plate 28 at the time of fitting with the plate frame 1.
A rib 32 for concealing the inside is integrally formed along the opening window 27.

The assembly is performed by mounting the switch S on the middle frame 9 and mounting the middle frame 9 on the plate frame 1.
Can be fixed to the plate frame 1.

The above-mentioned piano-operated push-button switch has a structure as shown in FIG. That is, a push button 33 that can be moved up and down by being pushed by the handle 22, a spring 34 that urges the push button 33 upward,
A slider 35 urged by a spring 34 and movably mounted on the lower surface of the push button 33 in a laterally movable manner;
5 is constituted by a reversing handle 36 and the like which are reversed by the downward movement.

Here, when the slider 35 moves downward, the engaging projection 37 of the reversing handle 36 is urged to rotate the reversing handle 36, and the rotation of the reversing handle 36 causes the engaging projection 37 to engage the slider 35. By pressing the joint 38, the slider 35 is moved in the lateral direction. When the reversing handle 36 rotates and reverses, the open / close plate 40 connected by the coil spring 39 reverses and switches the contact.

Next, the mounting structure and operation of the handle 22 will be described. 3 to 5, a fulcrum rib 41 having elasticity at the time of instrument operation is provided on one end side of the lower surface of the handle 22.
A pair of stopper ribs 42 having elasticity at the time of operation return are provided on the other end side. A rib 43 serving as a stopper during operation is provided outside the stopper rib 42.
An action point rib 44 for pressing the projection 45 of the push button 33 of the piano-operated push button switch is integrally provided at the center of the lower surface of the handle 22. The fulcrum rib 41 and the stopper rib 42 also support a push button switch of a piano operation type.

As shown in FIGS. 1 and 3, a recess 46 is formed at one end of the upper surface of the piano-operated push button switch, into which the fulcrum rib 41 of the handle 22 is inserted and supported. Recess 47 into which the stopper rib 42 is inserted
Are formed. Here, in the handle 22, the edge 42 a of the stopper rib 42 is locked to the inner corner of the recess 47, and the handle 22 is prevented from coming off.

When the depression 23 of the handle 22 is pressed with a fingertip, as shown in FIGS. 3 and 5, the rotation is made about the fulcrum rib 41 as a fulcrum, and the action point rib 44 is pushed by the push button switch 3.
The third protrusion 45 is pressed against and the push button switch is opened and closed as described above. When the pressing operation of the handle 22 is stopped, the handle 22 returns, and the contact keeps its state. When the handle 22 is pressed again, the push button 33 is pressed and the contact is reversed and returned.

FIG. 6 shows a case where two switches S are mounted. In this case, as shown in FIG. 7, semi-circular handles 22a and 22b are mounted on the switches S so as to correspond to the respective switches S. It is supposed to. FIG.
(B) shows a state in which the handle 22 is pressed, and a box 48 for protecting the switch S is detachably mounted on the back surface of the plate frame 1.

As described above, the ribs 41 to
By forming 44 or semicircular when two are used, a handle structure suitable for the design of a round wiring device can be realized.

As shown in FIGS. 1 and 5, a surface recess 73 is formed in the surface of the plate frame 1 covered with the decorative plate 28, and the screw 5 is provided in the surface recess 73. The head is sunk.

Thus, the plate 16 is inserted into the surface recess 73 so as to be in surface contact with the surface of the plate frame 1, and the decorative plate 28 can be stably attached to the plate frame 1. It is. In addition, since the board 16 is housed between the plate frame 1 and the decorative plate 28 in a state where the wiring device 14 is exposed in the opening hole 17, ventilation is prevented from passing through the hole formed in the construction material. It is also possible to close the opening 2 of the plate frame 1 with the plate 16 to prevent the air from flowing through the opening 2 between the outside and the room, thereby improving the airtightness of the room. is there.

[0025]

As described above, the present invention provides a plate frame formed with an opening and provided with a locking hole at an edge of the opening, and a recess protruding from the rear surface of the plate frame and opening on the outer surface. A scissor fitting holding part having a groove, a scissor fitting whose base end having a screw hole is formed in a concave groove of the scissor fitting holding part, and a scissor fitting inserted into the scissor fitting holding part from a hole in the plate frame. A screw to be screwed into the screw hole, a decorative plate formed with an opening window, and provided with a locking claw, and a plate formed with an opening hole, provided in the opening of the plate frame. The wiring device is mounted on the plate frame by arranging the wiring device and locking the locking piece protruding from the wiring device into the locking hole at the edge of the opening. Between the scissors and the plate frame moving in the direction of By attaching the plate frame to the hole drilled in the building material, placing the decorative plate on the front of the plate frame, and locking the locking claw of the plate frame to the locking portion provided on the plate frame by doing The decorative plate is attached to the plate frame with the wiring device attached to the plate frame exposed through the opening window, and the board is placed between the plate frame and the decorative plate with the wiring device exposed in the opening hole. As a result, the plate frame to which the wiring device is attached can be fixed to the erection material by sandwiching the erection material between the scissor metal fittings. This difference in thickness can be absorbed by the amount of movement of the scissors that move with the wiring, and there is an advantage that the wiring device can be attached to the construction material without any trouble. . In addition, since the head of the screw is submerged in the surface recess of the plate frame covered with the decorative plate, the head of the screw does not protrude from the surface of the plate frame, and the decorative plate is stably attached to the plate frame. There is an advantage that can be. Furthermore, since the board is placed between the plate frame and the decorative plate with the wiring equipment exposed in the opening hole, it is possible to prevent ventilation from passing through the hole drilled in the construction material. It can also be expected that the opening of the plate frame is closed by a plate to improve the airtightness of the room.

[Brief description of the drawings]

FIG. 1 is an overall exploded perspective view of an embodiment of the present invention.

FIG. 2 is a rear view of the decorative plate according to the first embodiment.

FIG. 3 is a sectional view of the switch.

FIG. 4 is a sectional view of the handle.

FIG. 5 is an overall sectional view of the same.

FIGS. 6A and 6B are a plan view and a cross-sectional view of the same.

FIGS. 7 (a) and 7 (b) are plan views of the same two handles, respectively.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Plate frame 2 Opening 3 Scissors holding part 5 Screw 6 Hole 7 Scissors 13 Locking hole 14 Wiring device 15 Locking claw 16 Plate 17 Opening hole 27 Opening window 28 Decorative plate 29 Locking claw 30 Locking portion 71 concave Groove 72 Screw hole 73 Surface recess

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Masaaki Nakamura 2856 Shiratsuka-cho, Tsu-shi, Mie Asahi Denki Kogyo Co., Ltd. (72) Inventor Shigenori Kato 2856 Shiratsuka-cho, Tsu-shi Mie, Asahi Denki Kogyo Inside

Claims (1)

[Claims] 1. A plate frame formed with an opening and provided with a locking hole at an edge of the opening, and a scissor fitting holder formed with a concave groove protruding from a back surface of the plate frame and opening on an outer surface. And a scissor fitting in which the base end having the screw hole formed is accommodated in the concave groove of the scissor fitting holding section, and inserted into the scissor fitting holding section from the hole of the plate frame and screwed into the screw hole of the scissor fitting. It is provided with a screw, a decorative plate formed with an opening window, protruding a locking claw, and a plate formed with an opening hole. The wiring device is arranged in the opening of the plate frame and the wiring device is arranged. A wiring piece is attached to the plate frame by locking the locking piece protruding from the opening into the locking hole at the edge of the opening, and a scissor fitting that moves in the direction of the hole of the plate frame with the screw advancement. By sandwiching construction materials between plate frames, Attach the plate frame to the hole drilled in the material, place the decorative plate on the front of the plate frame, and lock the locking claw of the decorative plate to the locking portion provided on the plate frame, so that the plate With the wiring device attached to the frame exposed, attach the decorative plate to the plate frame, form a surface recess that dents into the surface of the plate frame covered with the decorative plate, and sink the head of the screw into the surface recess An installation device for a wiring device, wherein the wiring device is mounted between a plate frame and a decorative plate while the wiring device is exposed in the opening.