JPH05300624A - Circular wiring accessory - Google Patents

Abstract

PURPOSE:To improve the visibility of a circular wiring accessory by expanding the visible extent of a display window. CONSTITUTION:The title wiring accessory is constituted of a circular plate frame 1, an inner frame 9, a switch 14, a switch operating handle 22, and a cosmetic frame 28. In such wiring accessory, a display window 24 which lights and makes a display when the switch 14 is turned on is provided on the handle 22 and, at the same time, the window 24 is formed in a circular shape.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a round-shaped wiring device for mounting a device such as a switch on a construction surface.

[0002]

2. Description of the Related Art Recently, a round wiring device has been proposed because a hole to be bored on a construction surface is changed from a square shape to a round shape, which facilitates the drilling work. In this type of round wiring device, a round plate frame having an opening in the substantially center and fixed to the construction surface, an inner frame detachably attached to the opening of the plate frame, and It consisted of a switch that was detachably attached to the frame, a handle for operating the switch that was detachably attached to the upper surface of the switch, and a decorative frame that was attached to the plate frame with the handle positioned inside. . Then, by pushing the handle with a finger, the operation of switching the switch is performed. Further, in order to clearly show the on / off state of the switch, the handle is provided with a display window that blinks according to the on / off state.

[0003]

However, in the above-mentioned conventional example, since the display window for displaying the on / off state of the switch has an elongated elliptical shape, the range in which the light of the display window can be seen is narrowed and the visibility is poor. was there. The present invention has been made in view of the above problems, and an object of the present invention is to provide a circular wiring device in which the visible range of light in a display window is wide and visibility is improved.

[0004]

In order to achieve the above-mentioned object, the circular wiring apparatus of the present invention comprises a circular plate frame 1 having an opening 2 at substantially the center and fixed to a construction surface, and a plate frame 1 of the plate frame 1. A middle frame 9 which is detachably attached to the opening 2, a switch 14 which is detachably attached to the middle frame 9, and a handle 2 for operating the switch which is detachably attached to the upper surface of the switch 14.
2 and a decorative wiring frame 28 having a decorative frame 28 attached to the plate frame 1 with the handle located inside, a display window 24 that lights up and displays when the switch 14 is turned on.
Is provided on the handle 22 and the display window 24 is circular.

It is also preferable that the handle 22 is provided with a name display section 55 for displaying the position and type of the load.

[0006]

According to the above structure, light can be emitted from the circular display window 24 for display, and the visible range of light can be widened to improve the visibility.

[0007]

FIG. 1 is an exploded perspective view showing the whole one embodiment of the present invention. The plate frame 1 arranged on the front surface of the construction surface is formed in a round shape as shown in FIG. 2, and an opening 2 is formed at the substantially center thereof. Legs 3 having a U-shaped cross section are integrally projected on both sides of the back surface of the plate frame 1, and the legs 3 are inserted into circular holes formed on the construction surface.

A screw 5 having a screw 4 made of synthetic resin attached to the base thereof is inserted into the through hole 6 of the plate frame 1 and the leg 3, and the tip of the screw 5 is attached to the sandwich metal fitting 7 arranged at the lower end of the leg 3. It is screwed. And by tightening the screw 5,
The plate frame 1 is attached to the building material by sandwiching the building material with the periphery of the back surface of the plate frame 1 and the sandwiching metal member 7 which is rotated so as to project outward. Further, on both sides of the plate frame 1, screw holes 8 for directly screwing the building frame are drilled.

As shown in FIG. 3, locking claws 10 are provided at the four corners of the inner frame 9 which is detachably mounted in the opening 2 of the plate frame 1.
Are integrally formed with each other, a locking recess 11 is formed inside the opening 2 of the plate frame 1, the middle frame 9 is arranged in the opening 2 of the plate frame 1, and the locking claw 10 is engaged. The middle frame 9 is detachably attached to the plate frame 1 by being inserted and locked in the recess 11.

A switch 14 is disposed in the middle frame 4, and a pair of locking protrusions 15 projecting from both sides of the switch 14 are inserted and locked in the locking holes 13 of the middle frame 4. The switch 14 is detachably attached to the middle frame 9. The middle frame 9 has a size such that two switches 14 can be mounted, but in the present embodiment, one switch 14 is mounted. In this case, the locking projections 15 of the switch 14 are locked in the two locking holes 13 inside the middle frame 9.

The middle frame 9 is used for a switch 14 such as a piano-operated push button switch.
Two sets of locking holes 13 are provided on both sides, and a switch 14
Two can be attached. A metal fireproof panel 16 as shown in FIG. 4 is mounted on the front surface of the plate frame 1, and a hole 17 for exposing the switch 14 is formed at the center thereof. Fireproof plate 16
A circular hole 18 around which the screw 5 escapes,
Semicircular hole 19 for escape of the screw screwed into the screw hole 8
And are formed. Claws 21 that are inserted and locked in the holes 20 of the plate frame 1 are formed at four locations on the periphery of the fireproof panel 16.

An operating handle 22 which is detachably mounted on the upper surface of the switch 14 is formed in a disk shape as shown in FIG. 5, and one end of the handle 22 is for operating with a fingertip. A mark 23 is formed on the handle 22
A circular display window 24 is formed on the other end side of the. In the case of this embodiment, the operation mark 23 is formed by providing a circular recess 23a. A display unit 25 for lighting and displaying is provided on the upper surface of the switch 14, and a lens 26 that collects the light of this display and transmits it to the display window 24 is attached to the lower surface of the handle 22. This lens 26
The upper part of the disk has a disk shape, and this disk-shaped portion is fitted into the circular display window 24 and fixed by heat fusion.

A decorative frame 28 having an opening 27 slightly larger than the handle 22 is formed in the shape of a round frame, and as shown in FIG. 6, locking claws 29 are integrally formed on the back surface. ing. The locking claw 29 is inserted and locked in a locking recess 30 formed in the plate frame 1 so that the decorative frame 28 can be detachably mounted. In addition, the makeup frame 28
As shown in FIG. 6 showing the back surface of the decorative frame 28, a rib 31 for guiding when the plate frame 1 is fitted is formed around the back surface of the decorative frame 28, and a rib for hiding the inside along the opening 27. 32
Are integrally formed.

For assembly, the switch 14 can be fixed to the plate frame 1 by mounting the switch 14 on the middle frame 9 and then mounting the middle frame 9 on the plate frame 1. By the way, the switch 14 has a structure as shown in FIG. That is, the push button 33 that is pushed by the handle 22 and is movable in the vertical direction, the spring 34 that biases the push button 33 upward, and the push button 33 that is biased by the spring 34.
The slider 35 is mounted on the lower surface of the slider so as to be movable in the lateral direction, and the reversing handle 36 and the like which is reversed by the downward movement of the slider 35.

When the slider 35 moves downward, the engaging protrusion 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 protrusion 37 to engage the slider 35. The joint portion is pushed to move the slider 35 laterally. When the reversing handle 36 rotates and reverses, the coil spring 3
The open / close plate 40 connected at 9 is inverted to switch the contacts.

Next, the mounting structure and operation of the handle 22 will be described. 7 to 9, a fulcrum rib 41 having elasticity at the time of operating the instrument is provided on one end side of the lower surface of the handle 22.
And a pair of stopper ribs 42 having elasticity at the time of returning from the operation. A rib 43 serving as a stopper at the time of operation is formed on the outside of the stopper rib 42, and an action point rib 44 for pressing the protrusion 45 of the push button 33 of the switch 14 is integrally projected at the center of the lower surface of the handle 22. It is set up.

The handle 2 is attached to one end of the upper surface of the switch 14.
A recess 46 into which the second fulcrum rib 41 is inserted and supported is formed, and a recess 47 into which the stopper rib 42 is inserted is formed on the other end side. Here, in the handle 22, the edge 42a of the stopper rib 42 is locked to the inner corner,
The handle 22 is prevented from coming off. When the depression 23a as the operating mark 23 of the handle 22 is pushed with a fingertip, as shown in FIG. 7 and FIG. 45 is pressed and the switch 14 is opened and closed as described above. When the pushing operation of the handle 22 is stopped, the handle 22 returns and the contact holds the state. When the handle 22 is pushed again, the push button 33 is pressed and the contacts are reversed and returned.

As shown in FIG. 4, the fireproof panel 16 is formed by bending the claws 21 at four locations on the outer periphery of the fireproof panel.
The outer surface of the claw 21 is formed by cutting and raising the alligator 54. Therefore, when the fireproof panel 16 is mounted on the front surface of the plate frame 1 and the claw 21 is inserted into the hole 20, the claw portion 54 is locked to the inner side surface of the hole 20, so that the fireproof panel 16 is securely attached to the plate frame 1. Can be fixed to.

Further, in the outer peripheral portion of the fireproof panel 16, square holes 51 are formed at four locations for allowing the locking claws 29 of the decorative frame 28 to pass therethrough. Therefore, the decorative frame 28 is attached to the plate frame 1 without disturbing the fireproof panel 16.
Can be fixed to. Further, as described above, a square hole 17 is formed in the center of the fireproof panel 16 so that the front surface of the switch 14 is exposed from the hole 17 so that it can be easily operated. Further, the shape of the hole 17 can be processed according to the shape of the instrument used.

Further, the size of the hole 18 through which the screw 5 is inserted is larger than the head of the screw 5, so that the fireproof panel 16 alone may fall off. Therefore, the protrusions 52 are provided so as to project inward from both sides of the inner edge of the hole 18. Convex portion 52
Since the dimension between them is smaller than the head of the screw 5, the head of the screw 5 is caught by the convex portion 52, so that the refractory panel 16 alone can be prevented from falling off.

On the other hand, when the plate frame 1 is directly attached to the construction surface, the same convex portion 53 as the above is formed in the hole 19 of the fireproof panel 16 into which the screw is inserted. Also in this case, the fireproof panel 16 alone can be prevented from falling off. FIG. 10 shows another embodiment of the handle 22. In the case of the present embodiment, a name display portion 55 is provided at the center of the upper surface of the handle 22, and the position and type of load are displayed on the name display portion 55.

[0022]

As described above, according to the present invention, the handle is provided with the display window which is turned on and displayed when the switch is turned on, and the display window is circular, so that the range of light displayed from the display window is limited. It becomes wider and the visibility is better.

[Brief description of drawings]

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

FIG. 2 is an enlarged perspective view of the plate frame and the sandwich metal fitting of the same.

FIG. 3 is an enlarged perspective view of a middle frame and a switch of the same.

FIG. 4 is an enlarged perspective view of the above fireproof panel and screws.

FIG. 5 is an enlarged perspective view of the same decorative frame and handle.

FIG. 6 is a rear view of the same decorative frame.

FIG. 7 is a sectional view of the above switch.

FIG. 8 is a cross-sectional view of the above handle.

FIG. 9 is a cross-sectional view of an entire assembled state of the above.

FIG. 10 is a perspective view of a handle of another embodiment of the above.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Plate frame 2 Opening 9 Middle frame 14 Switch 22 Handle 24 Display window 28 Decorative frame 55 It is a name display part.

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Shigenori Kato 2856 Shiratsuka-cho, Tsu-shi, Mie Prefecture Asahi Denki Kogyo Co., Ltd.

Claims (2)

[Claims] 1. A round plate frame having an opening at substantially the center and fixed to a construction surface, an inner frame detachably attached to the opening of the plate frame, and an inner frame detachably attached to the inner frame. The switch is turned on in a circular wiring device that includes a switch, a handle for detachably mounting the switch on the top surface of the switch, and a decorative frame that is mounted on the plate frame with the handle inside. A circular wiring device characterized in that a display window is provided on the handle for illuminating when turned on and the display window is circular. 2. The round wiring device according to claim 1, wherein the handle is provided with a name display portion for displaying the position and type of the load.