JPH04217805A - Wiring device - Google Patents

Abstract

PURPOSE:To mount upto three wiring devices, in gang, by setting dimension of the short side of a standard wiring device to almost 1/3 the dimension in the lengthwise direction of a device mounting hole of a mounting frame and setting the dimension in the lengthwise direction of the window in a plate covering the mounting frame to four times the short side of the wiring device. CONSTITUTION:The length of the short side of a wiring device body 11 such as a switch, receptacle, etc., having standardized dimensions, is set to almost 1/3 the dimension in the lengthwise direction of a mounting hole 2 in a mounting frame 1 for mounting the wiring device body 11. Dimension in the lengthwise direction of window holes 34, 35 of two sheets of plates 33, applied on the mounting frame 1, is set to almost 4 times the dimension of the short side of the wiring device body 11. The wiring device body 11 can be mounted, in gang, upto three units, and the body 11, when its quantity is one or two, is mounted to a central part or both upper and lower ends of the mounting frame 1. An operating unit 39 for 1-3 units is interposed between the plates 33. In this way, a wiring device excellent in general purpose use is constituted.

Description

[Detailed description of the invention]

[Object of the invention]

0002

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring device in which a wiring device main body is attached to a mounting frame and a plate is disposed in front of the mounting frame.

0003

2. Description of the Related Art A conventional wiring device of this kind, as shown in Japanese Patent Application Laid-Open No. 58-94712, consists of two switch bodies, each of which has an operating body on the front, and is mounted on a mounting frame. Attach the plate body with a rectangular window hole facing the switch body to the mounting frame, and place two operation handles with large operation surfaces, each connected to the operation body of the switch body, facing the window hole. What has been done is known.

0004

Problems to be Solved by the Invention The switch body of the above-mentioned conventional wiring device has an outer diameter dimension in the vertical direction that is approximately half the size of the window hole in the plate body.

[0005]The switch main body is provided with a base portion provided with an operating body and a light emitting display mechanism connected to the base portion, and the light emitting display mechanisms are mounted adjacent to each other on a mounting frame to form a switch body. It is used as a two-piece set.

[0006] In addition, a switch that is used with a single switch body is provided with a decorative handle that covers substantially all of the window hole in the plate frame, as shown in, for example, Japanese Patent Application Laid-Open No. 58-89723.

However, the above-mentioned conventional wiring device
The switch body is approximately 1/2 of the longitudinal dimension of the plate window hole.
Since it is formed with an outer diameter of 2, the switch body has an outer diameter of 1.
It is only possible to form one or two switch bodies, and if two switch bodies are attached, it is necessary to use separate switch bodies for the upper and lower switches. It becomes a shaped device and lacks versatility.
There are disadvantages such as being expensive.

That is, the switch device disclosed in Japanese Patent Application Laid-Open No. 58-94712 has a switch main body and a light-emitting display mechanism arranged adjacent to each other so that on and off operations can be performed in the same direction. If switch bodies of the same model are arranged with their light-emitting display mechanisms adjacent to each other, there will be inconveniences such as the on and off operations being reversed for the top and bottom, making it difficult to unify the switch. The switch body will be provided and will be a dedicated type.

The present invention has been made in consideration of the above-mentioned circumstances, and is a wiring device in which a wiring device main body is attached to a mounting frame and a plate is disposed in front of the mounting frame. Can be used by attaching 3 pieces and 2 pieces
The wiring device bodies can be combined in various ways, even if they are used in single or three-piece installations, and in cases where the switch body is used as the wiring device body, an operating body with an operation surface larger than the outer diameter of the switch body is used. It is an object of the present invention to provide a wiring device that allows the switch body to be turned on and off.

[Configuration of the invention]

[0011]

[Means for Solving the Problems] The wiring device of the present invention includes a mounting frame having an elongated device mounting hole in the middle portion, and an outer diameter dimension of the device mounting hole in the short direction along the longitudinal direction of the device mounting hole. A wiring device main body formed to approximately 1/3 of the longitudinal dimension of the hole and attached to the mounting frame, and a plate having an elongated window hole facing the device mounting hole and disposed in front of the mounting frame. The window hole of the plate is characterized in that the longitudinal dimension of the window hole is approximately four times the outer diameter dimension of the switch body in the short direction.

0012

[Operation] Place the wiring device body on the mounting frame as a switch body.
When installing the wiring device and using it as a single device, the main body of the wiring device is placed approximately in the center of the long and narrow device mounting hole in the mounting frame, and the wiring device is formed with an outer diameter that approximately covers the window hole in the plate, and is placed opposite to the switch body. It can be formed by providing one operating body that performs the operation. In addition, if two switch bodies are provided and used for two purposes, the switch bodies are placed on the upper and lower ends of the device mounting holes in the mounting frame, respectively, and the size is such that the window hole in the plate is divided into two. It can be formed by providing two operating bodies facing each other in the center of the switch body.

Furthermore, when three switch bodies are provided and used for three devices, the switch bodies are placed above, in the center, and at the bottom of the fixture mounting hole of the mounting frame, and the window hole of the plate is divided into three parts. The operating body, which is formed to a size such that The operating body that protrudes from above and is installed opposite the lower switch body can be formed by having its lower half protrude downward from the switch body and installed opposite the switch body.

[0014] In the case where three switch bodies are arranged and used as a three-piece operation body, the window hole of the plate is formed so that the longitudinal dimension is approximately four times the short direction of the switch body. Even if the outer diameter of the switch body is larger than the outer diameter of the switch body, the upper and lower operating bodies can be disposed by having the upper and lower halves protrude from the switch body, respectively, and an operating body with a large operating surface can be formed.

In this case, the switch bodies located in the middle and both ends can be mounted in the same direction, and even when two or three switch bodies are mounted, the switch bodies can be shared, making it versatile and inexpensive. can.

[0016] In addition, if the operating body is for one or two operating bodies, it can be installed in a position directly facing the switch body, but for three operating bodies,
In the case of an individual switch, the operating body provided on the middle switch body can be directly opposed. Although the operating bodies attached to the switch bodies located at both ends are offset from the operating section, this does not pose a problem for switch operation. Furthermore, in the case of a switch with a display element that is formed by having a display element that displays either ON or OFF, or both, facing the front center of the switch body in the longitudinal direction of the device mounting hole of the mounting frame, one In the case of 1, 2, or 3 units, all you need to do is attach it to the mounting frame and attach the plate as described above.
It is formed to have the same size as that for each individual device, and a display window is formed approximately at the center in the longitudinal direction of the instrument mounting hole of the mounting frame.

[0017] In the case of one or two switches, the central part of the operating body is almost directly opposite to the operating part of the switch body, so a display window is provided in the central part of the operating body facing the display element. and can be displayed reliably.

Furthermore, since the outer diameter of the wiring device main body in the short direction is approximately 1/3 of the longitudinal direction of the device mounting hole of the mounting frame, the size of the wiring device main body can be standardized, and the size of the wiring device main body can be standardized. It is also possible to combine it with the main body of the wiring device.
It is also easy to manufacture and integrate into the mounting frame.

Furthermore, since the window hole of the plate is formed so that the longitudinal dimension is approximately four times the short direction dimension of the wiring device body, when the switch body is used as the wiring device body, the outer diameter of the switch body An operating body having an operating surface larger than the dimensions can be used, and on/off operations can be performed easily and comfortably.

[0020]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. 1 to 14. Reference numeral 1 denotes a mounting frame, and the mounting frame 1 is made of synthetic resin, for example, and has an elongated device mounting hole 2 in the middle, and mounting portions 5 for a wiring box 4 buried in a wall surface 3 such as a structure at both ends. , 5 are provided with a pair of mounting holes 6, 6 having a pitch that allows mounting on the plate, and plate mounting holes 7, 7 are provided. This mounting frame 1 has an engagement hole 8 in which a protrusion protruding from one side of the instrument engages on one side of the instrument attachment hole 2, and a protrusion protruding from the other side of the instrument engages elastically. Three sets of instrument fixing means 1 formed with locking holes 9
0 is set. This mounting frame 1 can be generally referred to as a one-touch support, but may also be made of metal.

Reference numeral 11 denotes a switch body as a wiring device body, and this switch body 11 has an operating section 12 on the front side.
The outer diameter dimension in the short direction B is approximately ⅓ of the longitudinal dimension C of the instrument attachment hole 2 of the attachment frame 1.

[0022] The wiring device main body is not limited to a switch. Further, there are various types of operation for turning on and off the switch body 11, but any type may be used as long as the operation section of the switch body 11 is operated, and in this embodiment, it is a swing type.

The details of the switch main body 11 of this embodiment are as follows.
Figure 1 will be explained. The switch body 11 includes a box-shaped case 13 made of synthetic resin, a terminal part 15 provided inside the case 13 and having a fixed contact 14, a movable piece 17 having a movable contact 16 that comes into contact with and separates from the fixed contact 14, and this case 13. Movable piece 1
A swingable handle part 20 which has a spring attached to 7 via 18 and has a leaf spring 19 to form an operating part 12;
A movable contact 16, a locking piece 21 provided on the terminal portion 15, and a release button 2 for releasing the engagement of the electric wire connected to this locking piece 21.
2. It has a printed circuit board 25 to which a neon lamp 23 and a light emitting diode 24 as display elements are connected, a current transformer 26, and a pair of holes 27, 27 facing the operating section 12, as well as a longitudinal direction of the device mounting hole 2 of the mounting frame 1. It has holes 28, 28 in the center of the front face through which neon lamps 23 and light emitting diodes 24 as display elements face, and engages with the cover 29 attached to the case 13 and the engagement holes 8 and 9 of the mounting frame 1. Case 1 has projecting pieces 30, 30 that
3 and a mounting bracket 31 for fixing the cover 29.

The cover 29 is provided with a mountain-shaped shaft portion 32 approximately at the center in the short direction, and holes 28, 28 are provided on both inclined surfaces of the shaft portion 32. The switch main body 11 in this embodiment is formed so that the display element lights up in either the on or off state, and displays are displayed by the different light colors of the neon lamp 23 and the light emitting diode 24 of the display element.

Reference numeral 33 denotes a plate, which has an elongated window hole 34 facing the instrument mounting hole 2 of the mounting frame 1, and a protrusion (not shown) that fits into the plate mounting holes 7, 7 of the mounting frame 1. ) is provided on the front surface of the mounting frame 1. This plate 33 has an opening 35 in this embodiment,
A base portion 37 having a recess 36 formed around the opening 35
, is formed to include a decorative frame portion 38 that is removably fitted into the recess 36 of the base portion 37. In this embodiment, the window hole 34 is shown as being formed in this decorative frame portion 38. The window hole 34 of the plate 33 has a longitudinal dimension A approximately four times the short dimension B of the switch body 11.

Reference numeral 39 denotes an operating body, which is installed opposite to the switch body 11, and in this embodiment, the operating body 1
2, and is formed so as to face the window hole 34 of the plate 33 and close the window hole 34.

As shown in FIGS. 7 and 8, when the operating body 39 is used for one switch body 11 mounted on the mounting frame 1 at the center of the instrument mounting hole 2, the operating body 39 is attached to a plate. One piece is formed into an elongated plate shape to cover the window holes 34 of 33 and is used by being attached to the operating part 12 of the switch body 11. In addition, as shown in FIGS. 9 and 10, when two switch bodies 11 are mounted on the mounting frame 1 with bias toward the upper and lower ends of the device mounting holes 2, the plate Two operating bodies 39 each having a substantially square shape with a size that divides the window holes 34 of 33 into two are mounted on the switch body 11 with their centers facing the center of the switch body 11.
It is used by attaching it to the operating section 12 of.

When three switch bodies 11 are connected to the mounting frame 1 and used for three switch bodies, as shown in FIGS. 1 and 6, the window hole 34 of the plate 33 is divided into three Three operating bodies 39 each having substantially the same outer diameter are attached to the operating section 12 of the switch body 11 for use. At this time, the operating body 39 installed opposite to the center switch body 11 overlaps the center of the switch body 11, and the operating body 39 installed opposite to the upper switch body
, the upper half of which protrudes above the switch body 11,
An operating body 39 provided opposite to the lower switch body 11 protrudes downward from the switch body 11.

The operating body 39 when used for these three devices is provided with a peripheral wall 40 as shown in FIG. There are 41. This fitting piece 41
has one end joined to one peripheral wall 40 and the other end joined to the other peripheral wall 4
0, and a protrusion 42 is formed between the fitting pieces 41 on the other end side. The fitting piece 41 is formed to be elastically fitted and attached to the leaf spring 19 of the operating section 12 and the holding part 43 of the leaf spring 19. Furthermore, the protruding portion 42 can be formed with a dimension that allows it to come into contact with the shaft portion 32 of the switch body 11 together with the peripheral walls 40 located at both ends when the operating body 39 is attached to the switch body 11 . And an operating body 39 used for these three
When the switch body 11 is attached to the central part of the mounting frame 1, the fitting piece 41 can be attached to the operating section 12 from either direction, thereby allowing the protrusion section 42 and the peripheral wall section 4 to be attached.
0 comes into contact with the shaft portion 32, and swinging operation becomes possible. In addition, in this embodiment, when mounting the switch main body 11 located on the lower side of the mounting frame 1, the operating body 39 in FIG. 12, the protruding portion 42 and the peripheral wall 40 located at the upper portion come into contact with the shaft portion 31, allowing swinging operation. Furthermore, in this embodiment, the mounting frame 1
When mounting the switch body 10 located on the upper part of the switch body 10, the protrusion part 42 and the peripheral wall 40 located at the lower part can be attached by attaching the protrusion part 42 to the operating part 12 in the direction shown in FIG.
comes into contact with the shaft portion 32, and swinging operation becomes possible.

Therefore, the operating body 3 used for three
There is only one type of switch 9, which can be used for both the switch body 11 disposed at the middle and both ends of the mounting frame 1, and is versatile. Moreover, when the switch body 11 is located in the center, the operating body 39 is positioned so that the peripheral walls 40 at both ends abut against the shaft portions 32 of the switch bodies 11 at both adjacent ends, and the operating body 39 extends from both ends. It is possible to effectively prevent undesired dislodgement. Reference numeral 44 denotes a display window provided in the operating body 39. This display window 44 is provided at the center of the front surface in the longitudinal direction of the instrument mounting hole 2 of the mounting frame 1. It is formed to guide light from a neon lamp 23 and a light emitting diode 24 as display elements provided approximately in the center, respectively, to display on or off, or both. The display element is turned on in either the on or off state, and the display element is formed so that the neon lamp 23 and the light emitting diode 24 display different colors of light.

[0031] Then, one or two switch bodies 11 are installed.
In the case where the display elements 23, 24 and the display window 44 provided at the center of the front surface of the operating body 39 in the longitudinal direction of the instrument attachment hole 2 can be positioned approximately directly opposite to each other, the display elements 23 and 24 , 24 may be provided in the display window 44, such as a lens that magnifies the light from the lights. However, in the case where three switch bodies 11 are connected, the switch body 11 located in the center
The display window 44 of the operating body 39 can be positioned approximately directly opposite the display elements 23 and 24, but the display window 44 of the operating body 39 can be positioned almost directly opposite the display elements 23 and 24. 23 and 24, making it difficult to display.

Therefore, in the case of a three-piece operation body 39 in which three switch bodies 11 are arranged in series, the light guide portion 45 facing the display window 44 provided in the operation body 39 and the display element 23 of the switch body 1, 24 to the light guiding section 45.
A guide member 47 having a diameter of 6 is provided. As shown in FIGS. 13 and 14, for example, this guide member 47 guides the light from the light guide portion 45 and the display elements 23 and 24 that are continuous with the light guide portion 45 and are located approximately directly opposite the light guide portion 45. A first light guide section 46a formed at an angle of approximately 45 degrees that guides light to the light guide section 45, and a display element 23 that is continuous with the first light guide section 46a and is not in a position directly facing the light guide section 45. ,2
4, and guides the light from the display elements 23 and 24.
The second light guide part 46b is formed of a lens body and includes a second light guide part 46b formed with an approximately 45° inclined surface that causes the light to be reflected and guided by the first light guide part 46a to the light guide part 45. There is.

The outer surface of the light guide portion 45 can be formed with a plurality of grooves to form a diffusing surface.

This guide member 47 has mounting holes 48 at both ends and is fixed to the back surface of the operating body 39 by caulking or the like.

Note that the guide member 47 is not limited to the one described above; for example, as shown in FIG.
The light guide portion 46a may be formed into a step-like shape with a plurality of reflective surfaces.

[0036] In the case where three switch bodies 11 are arranged in series for three units, the operation body 39 is attached to the operation part 12 of each switch body 11, so that the operation body 39 can be mounted on the mounting frame 1. , the display elements 23 and 24 of the switch body 11 located on the lower end side and the display window 44 of the operating body 39 are not in direct facing positions, but the second guiding light portion 46b of the guide member 47 is connected to the respective display elements 23 and 24, respectively. 24, the light from these display elements 23 and 24 is introduced from the second light guide section 46b, reflected by the inclined surface of the first light guide section 46b, and led out from the light guide section 45. and display is ensured.

Furthermore, since the display elements 23 and 24 and the display window 44 of the operating body 39 are substantially directly opposed to each other in the switch body 11 disposed in the middle of the mounting frame 1, light incident from the first light guide portion 46a Light is emitted from the light guide section 45.

Next, the operation of this embodiment will be explained. When one switch body 11 as a wiring device main body is attached to the mounting frame 1 and used as a single switch, it is attached to the center of the device attachment hole 2 of the mounting frame 1 by a well-known fixing means,
The plate 33 is screwed together with the mounting frame 1 in alignment with the mounting portion 5 of the wiring box 4. At this time, the decorative frame portion 38 may be attached to the base portion 37 of the plate 33, or the decorative frame portion 38 may be removed.

Then, the single operating body 39 may be attached to the operating section 12 of the switch body 11. In addition, when installing two switch bodies 11 and using them for two units, install the switch bodies 11 biased toward the upper and lower ends of the device mounting hole 2 of the mounting frame 1, and wire the switch bodies 11 in the same way as for one unit. It is sufficient to attach it to the box 4 and attach the two-piece operating body 39 to the operating section 2 of the switch body 11 so as to face the center of the central switch body 11.

Furthermore, when three switch bodies 11 are installed and used for three appliances, the switch bodies 11 are connected to the fixture mounting hole 2 of the mounting frame 1 and installed in a wiring box in the same way as for one appliance or two appliances. 4, and overlap the center of the operating body 39 facing the center switch body 11 with the center of the switch body 11, and the operating body 39 facing the upper switch body 11.
9 with its upper half protruding above the switch body 11, and the operating body 39 installed opposite the lower switch body 11 with its lower half protruding below the switch body 11, respectively. It is attached to the operating section 12 of. In this case, if the switch body 11 is equipped with a display element including the display elements 23 and 24, the operating body 39 having the display window 44 may be used. Although the display window 44 does not directly face the display elements 23 and 24 for the switch body 11 located on the upper and lower end sides of the mounting frame 1, the second part of the guide member 47
The light guide part 46b faces the display elements 23, 24, and the light from the display elements 23, 24 enters from the second light guide part 46b, is reflected on the inclined surface, and passes through the first light guide part 46a. The light is guided out by the light guide section 45 and emitted in the display window 44 to provide a clear display.

[0041]

[Effects of the Invention] The present invention is constructed as detailed above,
In particular, since the main body of the wiring device is formed in approximately 1/3 of the length of the device mounting hole of the mounting frame, the main body of the wiring device can be standardized.
They can be installed singly or up to three in one mounting frame to allow combinations of wiring devices such as switches, and are easy to install, and various wiring devices can be formed by incorporating them into the mounting frame. Moreover, since the plate has a window hole whose longitudinal dimension is approximately four times the short dimension of the wiring device body, when the switch body is used as the wiring device body, the outer diameter of the switch body An operating body with a larger operating surface can be used, and on/off operations can be performed easily and comfortably. Further, since the window holes in the plate are formed larger than the device mounting holes in the mounting frame, wiring devices other than switches can also be used by being attached to the mounting frame, and a versatile wiring device can be provided.

[Brief explanation of the drawing]

[Fig. 1] An exploded perspective view of an embodiment of the present invention when used as a three-piece switch body with three switch bodies installed in a row as wiring device bodies.

[Figure 2] Same as above Plan view of the wiring equipment body

[Figure 3
] Same as above Front view of plate

[Figure 4]
Same as above: A partially cutaway perspective view showing the operating body and switch body separated when the switch body is used as a wiring device body for three devices.

[Figure 5] Back view of the operating body used for 3 same as above

[Figure 6] Partial cross-sectional side view showing the state of use for 3 pieces as above

[Figure 7] Same as above. Disassembled perspective view when used as a single switch with one switch body as the wiring device body.

[Figure 8] Same as above Partial cross-sectional side view showing usage condition

[Figure 9] Same as above. Disassembled perspective view when used as a two-piece switch with two switch bodies as wiring device bodies.

[Figure 10] Same as above Partial cross-sectional side view showing usage condition

[Figure 11] Same as above. Exploded perspective view of the switch

[
Figure 12: Same as above. Enlarged sectional view of main parts.

[Figure 13]
Same as above Perspective view of guide member

[Figure 14] Cross-sectional view of the guide member as above

[Fig. 15] Cross-sectional view of another embodiment of the guide member 1... Mounting frame, 2... Instrument mounting hole, 11... Switch main body as wiring instrument main body, 12... Operation section, 33... Plate, 34... Window hole, 39 …
Operating body, 44...Display window, 23, 24...Display element, 47...Guide member, 45...Light guide part,
46...Light guiding part.

Claims (1)

[Claims] Claim 1: A mounting frame having an elongated instrument mounting hole in the middle portion; an outer diameter dimension of the instrument mounting hole in the short direction along the longitudinal direction thereof is approximately 1/3 of the longitudinal direction of the instrument mounting hole; a wiring device body formed and attached to the mounting frame; and a plate having an elongated window hole facing the mounting frame and disposed in front of the mounting frame; the window hole of the plate is longitudinal. A wiring device characterized in that the dimension in the direction is approximately four times the dimension in the short direction of the wiring device main body.