JP4426038B2 - Switch device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a switch device provided on an indoor wall surface or the like for turning on and off an indoor wiring circuit.
[0002]
[Prior art]
This type of switch device, which is classified as an indoor wiring device, has "living room", "corridor", "toilet", "toilet", etc. in order to make the user recognize the installation location of lighting etc. controlled by the device. Some have a structure for holding a display with a display.
[0003]
FIG. 10 is a perspective view showing a conventional display body holding structure. As shown in the figure, in the conventional switch device, the display unit 2 formed on the surface side of the operation panel 1 also has a holding structure for the display body 3. That is, the display unit 2 includes an arrangement concave portion 4 and a surface concave portion 5 formed so as to surround the arrangement concave portion 4, and after the display body 3 is arranged in the arrangement concave portion 4, a transparent display window 6 a referred to as a decorative sheet 6. A thin film having a thickness is fitted into the surface recess 5, and then a transparent hood 7 made of a transparent resin plate is fitted and fixed to the surface recess 5. The display body 3 arranged in the arrangement recess 4 can be seen from the outside through the transparent display window 6 a or the transparent hood 7 of the decorative sheet 6.
[0004]
[Problems to be solved by the invention]
In the conventional display body holding structure, when the display body 3 is replaced, the transparent hood 7 must first be removed from the surface recess 5, but the transparent hood 7 is fitted and fixed to the surface recess 5, so that the removal work In addition, since the work is performed using a tool such as a screwdriver, the transparent hood 7 or the like may be damaged during the work. Moreover, since the transparent hood 7 is generally in a form in which it is difficult to discriminate between the front and back surfaces, there is a possibility that the user may attach the front and back sides in reverse, and there is a risk that the thin decorative sheet 6 may be folded. The replacement work of the display body 3 that needs to be performed with care is generally complicated.
The present invention has been made in view of such circumstances, and an object of the present invention is to provide a switch device that can easily perform a replacement operation of a display body without damaging the display section.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the present invention includes a switch body that turns on and off a wiring circuit in accordance with a pressing operation, an attachment unit that attaches the switch body, and an operation plate that is detachably attached to the switch body. In the switch device, a display body holding structure for holding the display body from the back surface side and a display section through which the display body held by the display body holding structure can be seen through from the front surface side are formed on the operation panel. It is characterized by.
[0006]
According to the present invention having the above configuration, the display body is held from the back side of the operation panel by the display body holding structure formed separately from the display section, so that the display body can be replaced without damaging the display section. Can do.
[0007]
Here, the display unit has a recess formed on the surface of the operation panel, a display opening formed in a proper position in the recess, and a makeup having a transparent display window disposed in the recess and corresponding to the display opening. It can be set as the structure containing a sheet | seat and the transparent food | hood fitted and fixed to a recessed part.
[0008]
The display body holding structure preferably includes a display body holding cover that opens and closes the display opening from the back side. If comprised in this way, it will become possible to perform the replacement | exchange operation | work of a display body easily with the opening / closing operation | movement of a display body holding cover. For example, the display body holding cover can be configured to include a locking unit that is rotatably supported on the back surface of the operation plate and holds the closed state of the display opening.
[0009]
In addition, a light-emitting body for displaying the status is provided substantially at the upper center of the switch body, and a light guide for guiding the light beam from the light-emitting body to the display unit is attached to the display-body holding cover, and is guided to the decorative sheet. You may form the light emission confirmation window which permeate | transmits the light ray from the light-emitting body guide | induced to the light body and permeate | transmitted the display opening part to the surface side of an operation board. By comprising in this way, it becomes possible to confirm clearly the light ray from the light-emitting body with which the switch apparatus was equipped from the surface side of the operation board.
Here, if the light emitter, the light guide, and the light emission confirmation window are arranged on a straight line, the light beam from the light emitter can be transmitted to the surface side of the operation plate with a small attenuation.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
1 is an exploded perspective view of a switch device according to an embodiment of the present invention, FIG. 2 is a perspective view showing an external appearance of the switch device, and FIG. 3 is a cross-sectional view of the switch device cut along the line AA in FIG. It is.
[0011]
As shown in FIG. 1, the switch device according to this embodiment includes a switch body 100, a mounting unit 200, a decorative plate 300, and an operation plate 400, and the switch body 100 is mounted on the mounting unit 200. The mounting unit 200 is screwed to a wall surface or the like in the room, and the outer periphery thereof is covered with the decorative plate 300. The operation plate 400 is attached to the actuator 112 of the switch body 100 through an opening 301 formed at the center of the decorative plate 300, and transmits a pressing force applied from the outside to the actuator 112.
[0012]
4 is an exploded perspective view of the switch body, FIG. 5A is a plan view of the switch body, FIG. 5B is a front view of the switch body, and FIG. 5C is a front sectional view of the switch body. The switch body 100 shown in these drawings constitutes a so-called three-way switch. However, the switch body applied to the present invention is not limited to this, and an indoor wiring such as a normal on / off switch or a four-way switch can be used. Various switch bodies used for circuit on / off are applicable.
[0013]
As shown in FIG. 4, the switch body 100 forms an outer housing with a case 101 and a lid 102, and has a presser spring 103, a release button 104, and a fixed contact 105a that constitute a quick connection terminal therein. Fixed terminal 105, switching terminal 106 having switching contact 106a, common terminal 107 having support spring 107a, movable contact 108 having movable contact 108a, neon tube (light emitter) 110 held by lamp holder 109, converter 111 , And components such as the actuator 112 are incorporated.
[0014]
The holding spring 103 is provided corresponding to each of the terminals 105, 106, and 107, and the electric wire inserted from the electric wire insertion hole 101 a (see FIG. 5C) of the case 101 is connected to each of the terminals 105, 106, and 107. And hold in cooperation with each. The release button 104 is a component for releasing the holding state of the electric wire by the presser spring 103, and a tool such as a screwdriver is inserted through the release hole 101b (see FIG. 5C) of the case 101 to move the release button 104. By doing so, the release button 104 bends the tip of the presser spring 103 (the electric wire holding end) and releases the electric wire holding state.
[0015]
As shown in FIG. 5 (c), the fixed contact 105a and the switching contact 106a are arranged to face each other, and the movable contact 108 is arranged in the middle part thereof. The movable contact 108 is mounted on the support spring 107 a of the common terminal 107 at the base end, and the upper end edge is engaged with the operating arm 111 a of the converter 111. It turns around the end as a fulcrum. By the rotation of the movable contact 108, the movable contact 108a comes into contact with either the fixed contact 105a or the switching contact 106a. The support spring 107a can be elastically deformed in order to allow the sinking when the movable contact 108 rotates. The support spring 107a and the movable contact 108 are urged by a coil spring 113 provided on the inner bottom of the case 101 to form a so-called toggle mechanism.
[0016]
The lamp holder 109 is combined with the converter 111 and swings integrally with the converter 111. As the lamp holder 109 swings, the neon tube 110 is turned on or off in accordance with the on / off of the wiring circuit connected to the switch body 100. The neon tube 110 is disposed at a substantially upper center portion of the switch body 100.
[0017]
The operating element 112 has a fulcrum 112a supported on a bearing portion 102a formed on the lid 102, and can swing around the fulcrum 112a. The swing of the actuator 112 is transmitted to the converter 111 in an enlarged manner. This swing mechanism is disclosed in, for example, Japanese Patent Application Laid-Open No. 3-205714.
The operator 112 is provided with a lamp hood 114 at a position facing the neon tube 110, and emits light emitted from the neon tube 110 to the outside through the lamp hood 114. Further, the actuator 112 is provided with a locking spring 115 for mounting the operation plate 400.
[0018]
The mounting unit 200 according to this embodiment includes a mounting frame 210 and a reinforcing frame 220. A mounting port 211 for mounting the switch body 100 is opened in the center of the mounting frame 210, and the switch body 100 is mounted on the inner peripheral edge of the mounting port 211. The reinforcement frame 220 is attached to the outer periphery of the attachment frame 210.
The decorative plate 300 is a component for covering the outer periphery of the mounting unit 200. The decorative plate 300 has an opening 301 at the center, and the operation plate 400 is disposed in the opening 301.
Note that the mounting unit 200 constituted by the mounting frame 210 and the reinforcing frame 220 and the decorative plate 300 are already known in, for example, Japanese Patent Laid-Open No. 4-42721, and thus detailed description thereof is omitted.
[0019]
As shown in FIG. 6, the operation plate 400 has a locking claw 401 on the back surface. By engaging this locking claw 401 with a locking spring 115 provided on the actuator 112 of the switch body 100, Mounted on the switch body 100.
[0020]
Further, as shown in FIG. 1, a rectangular recess 410 is formed at an arbitrary depth at the center of the surface of the operation plate 400, and a display opening 411 is formed in the recess 410. is there. The display opening 411 forms a display area 411 a for arranging the display body 500 and a translucent area 411 b that transmits light from the neon tube 110.
[0021]
A decorative sheet 420 is disposed on the bottom surface of the recess 410, and a transparent hood 430 is further fitted therein. The decorative sheet 420 is made of a thin resin film formed in a rectangular shape corresponding to the concave portion 410, and a transparent display window 421 is formed at a position corresponding to the display region 411 a of the display opening 411. A light emission confirmation window 422 is formed at a position corresponding to the light transmitting region 411b of the display opening 411. It should be noted that the regions other than the transparent display window 421 and the light emission confirmation window 422 are provided with opaque coloring and design. The transparent hood 430 is formed of a rectangular transparent plastic plate corresponding to the recess 410.
[0022]
The above-described concave portion 410, display opening portion 411, decorative sheet 420, and transparent hood 430 constitute a display portion 402 for visually recognizing the display body 500 from the surface side of the operation panel 400.
The display body 500 is a plate provided with a display (for example, “living room”, “corridor”, “toilet”, “wash surface”) for allowing the user to recognize the installation location of lighting and the like that is controlled to be turned on and off by the switch device. The display 500 is attached to the switch device or created by the user.
The display body 500 is disposed in the display area 411 a of the display opening 411 from the back side of the operation panel 400. Note that the surface side of the display opening 411 is closed by the decorative sheet 420 and the transparent hood 430.
[0023]
A display body holding structure is formed on the back side of the operation plate 400 by a display body holding cover 440 as shown in FIGS. 1, 6, and 7.
A back surface recess 441 is formed on the back surface of the operation plate 400, and a display opening 411 is opened in the back surface recess 441. As shown in FIGS. 6 and 7, a bearing portion 442 is formed at one end edge corner of the back surface recess 441, and the support shaft 443 formed on the display body holding cover 440 is rotatably supported by the bearing portion 442. To do. Further, a locking projection 444 is formed at the other end edge corner of the back surface recess 441. On the other hand, the display body holding cover 440 is formed with a locking claw 445 as a locking means. By locking the locking claw 445 to the locking projection 444, the display body holding cover 440 is closed. To be held securely.
[0024]
As shown in FIG. 7, the display body holding cover 440 rotates around the support shaft 443 to close the display opening 411 formed in the operation plate 400 from the back side. In the closed state shown in FIG. 7B, the display body holding cover 440 is held in the back surface recess 441. Therefore, the display body holding cover 440 can form a substantially flat closed state with the back surface of the operation plate 400, and therefore interference with the operation switch 100 is avoided.
[0025]
As described above, the switch device according to the present embodiment has a configuration in which the display body 500 is disposed in the display opening 411 from the back surface side of the operation panel 400 and the display body 500 is held by the display body holding cover 440. ing. The display body 500 held in the display opening 411 can be seen from the outside through the transparent display window 421 of the decorative sheet 420 and the transparent hood 430.
[0026]
Further, the display body holding cover 440 is provided with a light transmitting cutout 446 in a portion of the display opening 411 facing the light transmitting area 411b, and the light guide 447 is formed in the cutout 446. It is fixed. The light guide 447 has a function of transmitting the light beam from the neon tube 110 to the light emission confirmation window 422 of the decorative sheet 420. Therefore, the light emitted from the neon tube 110 enters the light guide 447 through the lamp hood 114 and is guided to the light emission confirmation window 422, so that it can be viewed from the surface side of the operation panel 400.
[0027]
Here, the neon tube 110, the light guide 447, and the light emission confirmation window 422 are arranged on a straight line (see FIG. 3). With such an arrangement, the light incident on the light guide 447 can be transmitted without being reflected or refracted inside. Therefore, the light beam from the neon tube 110 can be guided to the light emission confirmation window 422 with a small attenuation. In addition, since the light guide 447 only needs to transmit incident light linearly, it can have a simple shape such as a flat plate and can be easily manufactured.
[0028]
The present invention is not limited to the above-described embodiment. For example, as shown in FIGS. 8 and 9, a plurality of switch bodies 100 are attached to the attachment unit 200, and an operation plate 400 is provided for each switch body 100. The present invention can also be applied to a switch device having a mounted configuration. In this case, a display unit and a display body holding structure are formed for each operation panel 400.
Further, the display body holding cover can be configured not only to close the display opening 411 from the back surface by a turning operation but also to close the display opening 411 by a slide operation, for example.
[0029]
【The invention's effect】
As described above, according to the present invention, since the display body is held from the back side of the operation panel by the display body holding structure formed separately from the display section, the display body is replaced without damaging the display section. Can be easily performed.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of a switch device according to an embodiment of the present invention.
FIG. 2 is a perspective view showing an appearance of the switch device.
3 is a cross-sectional view of the switch device taken along line AA in FIG. 2;
FIG. 4 is an exploded perspective view of a switch body.
5A is a plan view of a switch body, FIG. 5B is a front view of the switch body, and FIG. 5C is a front sectional view of the switch body.
FIG. 6 is an exploded perspective view of the operation plate viewed from the back side.
7A and 7B are front cross-sectional views of the operation panel, where FIG. 7A is a cross-sectional view showing a state in which a display body holding cover is opened, and FIG. 7B is a cross-sectional view showing a state in which the display body holding cover is closed.
FIG. 8 is a perspective view showing an application example of the present invention.
FIG. 9 is a perspective view showing another application example of the present invention.
FIG. 10 is an exploded perspective view showing a conventional example.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 100: Switch body 101: Case 101a: Electric wire insertion hole 101b: Release hole 102: Cover body 102a: Bearing part 103: Pressing spring 104: Release button 105a: Fixed contact 105: Fixed terminal 106a: Switching contact 106: Switching terminal 107a: Support spring 107: Common terminal 108a: Movable contact 108: Movable contactor 109: Lamp holder 110: Neon tube (light emitting body)
111: Transformer 111a: Actuating arm 112: Actuator 113: Coil spring 114: Lamp hood 115: Locking spring 200: Mounting unit 210: Mounting frame 211: Mounting port 220: Reinforcing frame 300: Cosmetic plate 301: Opening 400: Operation plate 401: Locking claw 402: Display unit 410: Recessed portion 411: Display opening 411a: Display region 411b: Translucent region 420: Cosmetic sheet 421: Transparent display window 422: Light emission confirmation window 430: Transparent hood 440: Display body Holding cover 441: Back surface recess 442: Bearing portion 443: Support shaft 444: Locking protrusion 445: Locking claw 446: Notch 447: Light guide 500: Display

Claims (5)

A switch body that turns on and off the wiring circuit in accordance with the pressing operation; a mounting unit that mounts the switch body; and an operation plate that is detachably attached to the switch body. In a switch device comprising: a display unit capable of seeing through the display body from the front surface side, and a display body holding cover for holding the display body arranged in the display unit from the back surface side.
The display unit has a recess formed on the surface of the operation plate, a display opening formed at an appropriate position in the recess, and a transparent display window disposed in the recess and corresponding to the display opening. A decorative sheet, and a transparent hood that is fitted and fixed in the recess,
While providing a light-emitting body for status display in the substantially upper center of the switch body,
A light guide that guides light from the light emitter to the display unit is attached to the display body holding cover,
A switch device characterized in that a light emission confirmation window is formed on the decorative sheet, and transmits a light beam from the light emitter guided to the light guide and transmitted through the display opening to the surface side of the operation plate. . The switch device according to claim 1 ,
The display body holding cover is rotatably supported on the back surface of the operation plate, and has a locking means for holding the closed state of the display opening, and opens and closes the display opening from the back side. A switch device characterized. The switch device according to claim 1 or 2 ,
A switch device, wherein the light emitter, the light guide, and the light emission confirmation window are arranged on a straight line. A switch body that turns on and off the wiring circuit in accordance with the pressing operation; a mounting unit that mounts the switch body; and an operation plate that is detachably attached to the switch body. In a switch device comprising: a display unit capable of seeing through the display body from the front surface side, and a display body holding cover for holding the display body arranged in the display unit from the back surface side.
The switch body is provided with a light-emitting body for displaying a state substantially at the upper center,
The operation plate includes a light guide which transmits light from the mounted before Symbol display body holding cover the light emitter, a light emitting confirmation window that transmits light having passed through the light guide to the surface side, the A switch device characterized by that. The switch device according to claim 4,
  A switch device, wherein the light emitter, the light guide, and the light emission confirmation window are arranged on a straight line.

Images