JPH11289629A - Wiring device attachment frame and wiring device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wiring device attachment frame, from which a wiring device can be removed easily. SOLUTION: A wiring device attachment frame 1 has an opening 2, to which a wiring device 20 can be attached at its center and retaining parts 8 which are provided for having each other face across the opening 2 and retained with a retainer 21 provided in the wiring device 20. At least one of the retaining parts 8 is capable of holding the retainer 21 between a supporting part 18 pressed against one surface of the retainer 21 and an elastic member 17 pressed against the other surface of the retainer 21. An insertion recess 19, through which a wiring device removing jig can be inserted between the elastic member 17 and the wiring device 20 in a direction of pressing the elastic member 17 against the retainer 21 is formed in the elastic member 17 at a position immediately adjacent to the pressing position in a direction which is approximately perpendicular to the direction of pressing the elastic member 17 against the retainer 21.

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 frame and a wiring device for mounting a wiring device on a wall or the like.

[0002]

2. Description of the Related Art Hitherto, as this type of wiring device mounting frame, those shown in FIGS. 5 and 6 have been known.
FIG. 5 is a perspective view showing a conventional wiring device mounting frame, and FIG. The wiring device mounting frame 50 has an opening 51 of a standardized size in the center portion.
Reference numeral 1 indicates that three wiring devices 52 of a standardized minimum size (hereinafter, referred to as one module size) can be arranged side by side at the same time. The wiring device mounting frame 50 is provided with a pair of locking portions 53 for mounting the wiring device 52 facing each other in the short side direction of the opening 51 with the opening 51 therebetween. Each of the locking portions 53 formed by this pair has a main configuration by forming a hole into which the locking piece 54 of the wiring device 52 is inserted. An elastic member 55 is provided separately from the main body of the frame 50. Three pairs of such locking portions 53 are provided along the longitudinal direction of the opening 51.

[0003] The elastic member 55 is attached to the wiring device mounting frame 50.
It is attached by fitting to one side. The elastic member 55 is connected to the wiring device 52 at the locking portion 53.
Of the hole into which the locking piece 54 is inserted. The shape of the elastic member 55 in the locking portion 53 is convex, and both shoulder portions of the convex shape abut on one surface of the locking piece 53 of the wiring device 52, and the main body of the wiring device mounting frame 50 is formed. The locking piece 53 is clamped by the supporting portion 56 provided on the side. The convex projecting portion of the elastic member 55 is formed in a slightly tapered shape, and is formed such that the distance from the wiring device 52 becomes larger toward the distal end of the projecting portion. When the wiring device 52 is attached to the wiring device mounting frame 50, the purpose is to insert a tip of a jig for removing the wiring device 52 between the wiring device 52 and the tip of the elastic member 55. A gap is formed.

A method of removing the wiring device 52 from the wiring device mounting frame 50 will be described. First, a tip of a jig such as a flathead screwdriver is inserted between the wiring device 52 and the tip of the convex portion of the elastic member 55.
At this time, since the distal end of the convex portion of the elastic member 55 is formed in a tapered shape, the distal end of the jig is inserted deeply between the wiring device 52 and the elastic member 55 by strongly inserting the jig. It is possible to Next, the jig into which the elastic member 55 is inserted so as to be separated from the wiring device 52 is rotated. As a result, both shoulders of the elastic member 55 that have been in contact with the locking pieces 53 of the wiring tool 52 come off the locking pieces 53, and the wiring tool 52 is released from the locking pieces 53. Then, the wiring device 52 can be removed.

[0005]

The wiring device mounting frame 5 described above.
Reference numeral 0 denotes a wiring tool 52 for inserting a wiring tool removal jig unless the angle of the taper is very large because only the tip end of the convex portion of the elastic member 55 is formed in a tapered shape.
The gap between the elastic member 55 and the elastic member 55 is narrowed, and it is difficult to adopt a configuration in which the distal end portion of the wiring tool removal jig can be easily inserted. If the angle of the taper of the elastic member 55 is simply increased, the elastic member 55 cannot be disengaged from the locking piece unless the wiring device removal jig is rotated from a greatly inclined state. Power is difficult to apply. In addition, in order to insert the distal end of the wiring tool removal jig deeper than the tapered portion to reduce the rotation angle, if the taper angle of the elastic member 55 is large, wiring from the tapered portion to the back It becomes difficult to insert the instrument removal jig.

Further, by forming the distal end of the convex portion of the elastic member 55 to be elongated, the wiring device 52 for inserting the wiring device removal jig while making the angle of the distal end appropriate is provided.
It is possible to increase the gap between the elastic member 55 and the elastic member 55, but it is necessary to increase the elastic member 55, and the thickness of the wiring device mounting frame 50 increases, which hinders the thinning of the wiring device device.

It is an object of the present invention to provide a wiring device mounting frame and a wiring device which can avoid the above-mentioned problems.

[0008]

According to a first aspect of the present invention, there is provided a wiring device mounting frame provided with an opening in the center of which a wiring device can be mounted, and a wiring device mounted on the wiring device so as to be opposed to the opening. In a wiring device mounting frame provided with a locking portion for locking a locking piece, at least one locking portion has a support portion abutting on one surface of the locking piece and an elastic portion abutting on the other surface of the locking piece. It is possible to pinch the locking piece by the above, and the elastic portion is disposed along the contact direction at a position just beside the contact portion with the locking piece in a direction substantially perpendicular to the contact direction with the locking piece. An insertion recess is formed to allow the wiring tool removal jig to be inserted between the wiring tool and the wiring tool.

The constituent elements of the present invention and those described in the following claims are defined as follows unless otherwise specified.

[0010] The supporting portion of the locking portion may be provided integrally with the wiring device mounting frame or may be provided separately.
Further, it is not necessary to provide the support as a different configuration from the main body of the wiring device mounting frame, and the edge of the opening of the wiring device mounting frame may be used as the support.

The elastic portion of the locking portion may be provided integrally with the wiring device mounting frame or may be provided separately.
When the elastic portion is provided separately from the wiring device mounting frame, the elastic portions of the plurality of locking portions may be integrally formed. Further, the material of the elastic portion can be a metal or a resin, and is not limited.

The support portion and the elastic portion of the locking portion need to be in a positional relationship capable of holding the locking piece of the wiring device, but need not be opposed to each other.

Providing the insertion concave portion at a position directly beside the contact portion of the elastic portion with the locking piece means that a part of the elastic portion is recessed at least at a position directly beside the contact portion. In addition, the distance between the contact portion with the locking piece and the insertion concave portion is arbitrary and is not defined.

The shape of the insertion recess is not limited as long as the wiring jig can be inserted therein. Also, the wiring jig removal jig to be used is not limited.

According to the present invention, the resilient portion is located at a position just beside the contact portion with the locking piece in a direction substantially perpendicular to the direction of contact with the locking piece, and the wiring device removing jig along the contact direction. Since the insertion recess is formed so that the tool can be inserted between the wiring device and the wiring device, the size of the insertion recess in the direction is increased without increasing the size of the elastic portion in the insertion direction of the wiring device removal jig. can do. Therefore,
Insert the jig for removing the wiring device Insert the distal end of the jig for removing the wiring device deeply between the wiring device and the elastic portion, while making the distance between the wiring device and the elastic part an arbitrary size that allows easy insertion. be able to. Therefore, the wiring jig removing jig can be easily inserted between the wiring jig and the elastic portion, and the locking piece of the wiring jig can be released from the elastic portion with a small rotation operation of the wiring jig removing jig.

According to a second aspect of the present invention, there is provided the wiring apparatus mounting frame according to the first aspect, wherein the insertion recess has a tapered portion in which an interval between the wiring apparatus and the wiring apparatus increases toward the insertion side of the wiring apparatus removing jig. It is characterized by having.

In the present invention, the tapered portion may be formed on at least a part of the insertion recess, and need not be formed on the entire insertion recess. Further, the tapered portion may be formed in a curved shape.

According to the present invention, since the tapered portion is formed in the insertion concave portion, it is possible to easily insert the wiring tool removal jig into the insertion concave portion.

According to a third aspect of the present invention, there is provided a wiring device mounted on the wiring device mounting frame by locking the locking piece with the locking portion. And characterized in that:

In the present invention, the locking piece for attaching to the wiring device mounting frame of the wiring device needs to have a shape that can be sandwiched between the support portion and the elastic portion of the wiring device mounting frame, but is formed in a planar shape. It doesn't have to be.

According to the present invention, the wiring device can be easily removed from the wiring device mounting frame by the action of the wiring device mounting frame according to the first or second aspect.

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

FIG. 1 is a front view showing an embodiment of a wiring device mounting frame according to the present invention. FIG. 2 is a side view of the same. FIG. 3 is a perspective view of the main part. FIG. 4 is an exploded perspective view showing an embodiment of the wiring device of the present invention.

In FIG. 4, reference numeral 1 denotes a metal wiring device mounting frame, which is provided with an opening 2 for mounting an electrical device, ie, a wiring device 20, in the center. At the upper and lower ends, mounting openings 6 and 6 corresponding to the mounting holes 5 and 5 of the wiring box 4 buried in the wall surface 3 of the building material are provided, and plate mounting holes 7 and 7 are provided. I have. The wiring device mounting frame 1 is provided with three sets of locking portions 8 on one side of the opening 2 where locking pieces 21 projecting from both sides of the wiring device 20 are engaged. The wiring device mounting frame 1 may be one generally called a one-touch support.

The wiring device 20 is, for example, a switch. The switch has a swingable operation portion 22 on the front surface, and its outer diameter in the short direction is about three minutes of the longitudinal size of the opening 2 of the wiring device mounting frame 1. 1 is formed.

The wiring device 20 includes locking pieces 21 on both sides of the front surface for engaging with the locking portions 8 of the wiring device mounting frame 1. These locking pieces 21 can be integrally formed with a fitting for fixing the main body 23 and the cover 24 of the wiring device 20.

Reference numeral 11 denotes a plate formed of a synthetic resin.
The plate 11 has a plate opening 12 facing the opening 2 of the wiring device mounting frame 1 and a plate mounting hole 7.
The projection is fitted into the plate mounting hole 7 and is mounted on the wiring device mounting frame 1.

The plate 11 has a base portion 14 having a recess 13 formed in the periphery of the plate opening 12 and a window hole 15 communicating with the plate opening 12.
3 is formed so as to include a decorative frame 16 detachably fitted to the frame 3.

An operation body 30 is mounted on the operation portion 22 of the wiring device 20 and is formed so as to close the plate opening 12 of the plate 11.

Reference numeral 31 denotes a display window provided at a substantially central portion of the operation body 30. The display window 31 is provided from a display element (not shown) such as a neon lamp or a light emitting diode provided at a substantially central portion of the front of the wiring device 20. Light is guided to indicate one or both of the on and off states of the switch.

Reference numeral 32 denotes a screw which penetrates through the mounting hole 33 of the plate 11 and the mounting opening 6 of the wiring device mounting frame 1 and fixes them to the wiring box 4.

Next, the wiring device mounting frame 1 will be described in detail. The wiring device mounting frame 1 is provided with a pair of locking portions 8 for mounting the wiring device 20 facing each other across the opening 2 in the short side direction of the opening 2. Each of the locking portions 8 composed of this pair is
The main configuration is formed by forming a hole into which the locking piece 21 is inserted, but one of the locking portions 8 is provided with an elastic member 17 which is separate from the main body of the wiring device mounting frame 1. It has become. Three pairs of such locking portions 8 are provided along the longitudinal direction of the opening 2.

The elastic member 17 is mounted by fitting it to one side of the wiring device mounting frame 1. The elastic member 17 forms a part of a hole in the locking portion 8 into which the locking piece 21 of the wiring device 20 is inserted. The other part of the hole serves as a support portion 18 for supporting the inserted locking piece 21. The elastic member 1
7 has a convex shape, and both sides of the convex shape abut on one surface of the locking piece 21 of the wiring device 20, and the support portion 18 provided on the main body side of the wiring device mounting frame 1 is formed. The holding piece 21 is pinched. Then, a wiring tool removal jig (not shown) is attached to the wiring tool 2 at the convex projecting portion of the elastic member 17.
An insertion recess 19 is formed between the insertion recess 19 and the insertion recess 19. The insertion concave portion 19 is formed along the contact direction from the distal end of the projecting portion of the elastic member 17 to a position just beside the contact portion with the locking piece 21. The insertion recess 19 has a tapered portion 19 such that the distance from the wiring device 20 increases toward the insertion side of the wiring device removal jig.
a is formed. When the wiring device 20 is attached to the wiring device mounting frame 1, the distal end of the wiring device removal jig can be easily inserted between the wiring device 20 and the distal end of the projecting portion of the elastic member 17. A gap is formed.

Here, the insertion recess 19 is formed so as to extend right beside the contact portion between the elastic member 17 and the locking piece 21, so that the elastic portion in the insertion direction of the wiring jig removing jig is inserted. Without increasing the size, the dimension of the insertion recess in the above-mentioned direction is formed relatively large. Therefore, while ensuring a sufficient space between the wiring device into which the wiring device removal jig is inserted and the elastic portion, the distal end of the wiring device removal jig is placed deeply between the wiring device 20 and the elastic member 17. Can be inserted up to. Also, the insertion recess 19
Since the tapered portion 19a is formed in the groove, it becomes easier to insert the wiring device removal jig into the insertion recess.

A method of removing the wiring device 20 from the wiring device mounting frame 1 will be described. First, a tip of a jig such as a flathead screwdriver is inserted between the wiring device 20 and the insertion recess 19 of the elastic member 17. At this time, since the tapered portion 19a is formed in the insertion concave portion 19 as described above, the tip of the jig is inserted deeply between the wiring device 20 and the elastic member 17 by strongly inserting the jig. Is possible. Next, the elastic member 17 is connected to the wiring device 20.
Is rotated so that the jig is separated from the jig. As a result, the elastic member 17 that has been in contact with the locking piece 21 of the wiring device 20 comes off the locking piece 21, and the wiring device 20 is released from the locking piece 21. And the wiring device 20
Can be removed.

[0036]

According to the wiring device mounting frame of the present invention, the elastic portion is provided at a position just beside the contact portion with the locking piece in a direction substantially perpendicular to the direction of contact with the locking piece. Since the insertion recess is formed along the contact direction to allow the wiring tool removal jig to be inserted between the wiring tool and the wiring tool, without increasing the size of the elastic portion in the insertion direction of the wiring tool removal jig, The dimension of the insertion concave portion in the direction can be increased. Therefore, the wiring jig can be inserted deep into the wiring jig while the distance between the wiring jig and the elastic portion is set to an arbitrary size that allows easy insertion of the jig for removing the wiring jig. Therefore, the wiring jig removing jig can be easily inserted between the wiring jig and the elastic portion, and the locking piece of the wiring jig can be released from the elastic portion with a small rotation operation of the wiring jig removing jig.

According to the wiring device mounting frame of the second aspect, since the insertion concave portion is formed with the tapered portion, it is possible to easily insert the wiring device removal jig into the insertion concave portion.

According to the wiring device of the third aspect,
According to the effect of the wiring device mounting frame according to claim 1 or 2, the wiring device can be easily removed from the wiring device mounting frame.

[Brief description of the drawings]

FIG. 1 is a front view showing one embodiment of a wiring device mounting frame of the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is a perspective view of an essential part of the same.

FIG. 4 is an exploded perspective view showing an embodiment of the wiring device of the present invention.

FIG. 5 is a perspective view showing a conventional wiring device mounting frame.

FIG. 6 is a perspective view of the same main part.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Wiring equipment mounting frame, 1a ... Support part 2 ... Opening, 8 ... Locking part, 17 ... Elastic member, 19 insertion recessed part, 19a ... Tapered part,
Reference numeral 20: wiring device, 21: locking piece

Claims (3)

[Claims] A wiring device having an opening in the center where a wiring device can be attached, and a locking portion for locking a locking piece provided on the wiring device so as to face the opening via the opening. In the mounting frame, at least one of the locking portions can sandwich the locking piece by a supporting portion that abuts one surface of the locking piece and an elastic portion that abuts the other surface of the locking piece. The wiring device removal jig can be inserted between the wiring device along the contact direction at a position just beside the contact portion with the locking piece in a direction substantially perpendicular to the contact direction with the locking piece. A wiring device mounting frame, wherein an insertion concave portion is formed. 2. The wiring device mounting frame according to claim 1, wherein the insertion recess is provided with a tapered portion in which a distance from the wiring device increases toward the insertion side of the wiring device removal jig. 3. A wiring device mounting frame according to claim 1 or 2, and a wiring device mounted on the wiring device mounting frame by locking a locking piece to the locking portion. Wiring device.