JP2001157338A - Plate for wiring accessory - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a plate for a wiring accessory preventing its easily coming off from a plate frame. SOLUTION: Protruded streak pieces 25a to 25d fitted into slits 8a to 8c formed between a side frame piece 5b of a plate frame 10 and a movable beam 3 are provided in a row in a back of a plate body 21 of a decorative plate 20. When the decorative plate 20 is mounted in the plate frame 10, the protruded streak pieces 25a to 25d, fitted into the slits 8a to 8c, can regulate movement (deflection) of the movable beam part 3 of a plate frame body 1. Also when a large shock and force are applied to a wiring accessory 30, a lock pawl 32a of the wiring accessory 30 and lock grooves 3a, 4a of the movable/fixed beam part 3, 4 are prevented from being unlocked, and coming off of the wiring accessory 30 from the plate frame 10 can be made difficult.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring device plate for arranging wiring devices in buried holes provided in a construction surface such as a wall surface.

[0002]

2. Description of the Related Art Conventionally, an embedding box (switch box) is embedded in an embedding hole provided on a construction surface such as a wall surface, and a plate frame to which a wiring device such as a switch or an outlet is detachably attached is embedded. There is provided a wiring device plate in which a wiring device is mounted on a wall or the like with a good appearance by mounting the wiring device on a wall or the like by attaching to a mounting box from the front side of the device and further attaching a decorative plate on the front surface of the plate frame.

[0003]

However, in the above-mentioned conventional structure, the wiring device is attached to the plate frame by locking with a locking claw formed on the wiring device and a locking groove provided on the plate frame. Because it is held only by locking, for example, if the wiring device is a switch, apply a large force to the switch during operation, or if it is an outlet, insert an unusually large plug or pull out the plug to the outlet. When an impact is given, there is a problem that the locking between the locking claw and the locking groove is released and the wiring device comes off the plate frame.

An object of the present invention is to solve the above-mentioned problem, and an object of the present invention is to provide a wiring device plate in which the wiring device is hardly detached from the plate frame.

[0005]

In order to achieve the above object, according to the first aspect of the present invention, there is provided an opening for exposing a functional surface of an embedded wiring device, and a wiring device exposed from the opening. A plate frame provided with holding means and covering an opening surface side of the embedding hole provided on the construction surface, a decorative plate having an opening window for exposing a functional surface of the wiring device and covering a front surface of the plate frame; And reinforcing means for reinforcing the holding means of the plate frame so as not to come off from the plate frame, and the reinforcing means for holding the wiring equipment is reinforced by the reinforcing means. Even when force is applied, the wiring device can be made hard to come off from the plate frame.

According to a second aspect of the present invention, in the first aspect of the present invention, the holding means has a locking groove for locking a locking claw provided on the wiring device, and is provided on a peripheral edge of an opening of the plate frame. A fixed beam portion, a movable beam portion having a locking groove for locking the locking claw, and being flexibly provided on a peripheral edge of an opening of the plate frame. And a ridge that is inserted into a slit formed between one of the side frame pieces of the plate frame and the movable beam, and the movement of the movable beam is controlled by the ridge. Even if a large shock or force is applied to the wiring equipment due to the restriction, the wiring equipment is detached from the plate frame without releasing the locking claw of the wiring equipment and the locking groove of the movable beam. Can be difficult.

According to a third aspect of the present invention, in the first or second aspect, the decorative plate includes a main portion that covers the front surface of the plate frame, and a side wall protruding from substantially the entire peripheral edge of the main portion.
The width dimension between the opposing side walls of the decorative plate is made larger than each width dimension of the plate frame. When the decorative plate is attached to the front surface of the plate frame, the plate frame fits inside the decorative plate. Since the end edge of the side wall of the decorative plate is almost in contact with the construction surface, the surface where the plate frame and the decorative plate meet does not come forward beyond the construction surface. The appearance can be improved by making it almost invisible.

According to a fourth aspect of the present invention, in any one of the first to third aspects of the present invention, a rib that abuts on a side surface of the plate frame is provided on an inner surface of the decorative plate. Rattling in the direction along the construction surface of the vehicle can be prevented.

According to a fifth aspect of the present invention, in any one of the second to fourth aspects of the present invention, there is provided an instrument removing hole penetrating from the front surface of the side frame piece of the plate frame to a surface of the fixed beam portion facing the wiring instrument. If the wiring fixture is pushed toward the movable beam with the tip of the jig inserted into the fixture removal hole, the movable beam can be bent with a slight force by the principle of leverage, and the fixed beam can be flexed. The wiring device can be easily removed from the plate frame by releasing the locking between the locking groove and the locking claw of the wiring device.

According to a sixth aspect of the present invention, in any one of the first to fifth aspects, the mounting means for detachably attaching the decorative plate to the plate frame is formed on the plate frame and the decorative plate. The workability of mounting the decorative plate can be improved by the means.

According to a seventh aspect of the present invention, in the sixth aspect of the present invention, the mounting means is formed on a back surface of the decorative plate and protrudes toward the plate frame, and provided on the plate frame to lock the decorative plate. The present invention is characterized by comprising a protrusion and a decorative plate locking hole for locking, and has the same effect as the invention of claim 6.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. The wiring device plate of the present invention includes a plate frame 10 and a decorative plate 20. Each member of the rectangular frame-shaped plate frame main body 1 is integrally formed of a synthetic resin having an insulating property (a thermoplastic resin such as an ABS resin or a thermosetting resin having elasticity). A rectangular opening 2 is provided to expose a functional surface of a body 31 of a wiring device 30 such as an outlet (a surface provided with a switch operating body or a surface provided with an outlet of an outlet) to the front side. is there. A fixed beam part 4 and a movable beam part 3 as band-shaped holding means are provided on the peripheral back side of the opening 2 so as to face each other along the longitudinal direction of the opening 2.
Is provided. The movable beam part 3 is one side frame piece 5b of a pair of side frame pieces 5a, 5b along the longitudinal direction of the plate frame main body 1.
, And are integrally connected to the side frame pieces 5b at both ends by connecting portions 6. Here, the synthetic resin forming the plate frame main body 1 including the movable beam portion 3 and the connecting portion 6 is a flexible material, and the movable beam portion 3 becomes flexible with respect to the plate frame main body 1. I have.

Further, the movable beam portion 3 is supported by a pair of narrow ribs 7 extending integrally from the side frame piece 5b, and a gap formed between the movable beam portion 3 and the side frame piece 5b is formed. The rib 7 separates three portions (hereinafter, each portion is referred to as a slit 8
a to 8c. ). Further, a pair of elongated grooves 9 is provided in the side frame piece 5b near the ribs 7 in order to make the movable beam portion 3 easily bendable.

The size of the opening 2 is a reference size (hereinafter, this size is referred to as "one module size").
The size (hereinafter, referred to as a dimension) in which two wiring devices can be mounted side by side in a direction perpendicular to the longitudinal direction of the wiring device with the longitudinal direction of the wiring device being substantially perpendicular to the longitudinal direction of the opening 2.
This size is referred to as “two module size”. ). In addition, the fixed beam portion 4 and the movable beam portion 3 of the plate frame main body 1 are respectively attached to both side surfaces of the one module size wiring device so that two module size wiring devices are mounted on the plate frame 10. Two pairs of locking grooves 4a, 3a for locking with a pair of locking claws provided are formed,
The pitch of the locking grooves 4a and 3a is equal to the pitch of the locking claws of the wiring device having one module. In addition,
The above one module size may be set to an appropriate value,
Any wiring device suitable for such module dimensions can be mounted on the plate frame 10 in common.

On the other hand, two wiring devices 30 are formed to have a module size, and a pair of metal wiring frames 32 are provided on both sides to connect the body 31a and the cover 31b to assemble the body 31. Locking claw 3 protruding outward
2a is formed. The wiring module 30 having such a two-module size can also be attached to the plate frame 10, and each locking claw 32 a of the wiring tool 30 is connected to the locking groove 4 a outside the fixed beam portion 4 and the movable beam portion 3. 4a, 3a, 3a, the above-mentioned functional surface of the body 31 is opened.
In the state where it is exposed from the
Can be attached and held.

Here, when the locking claws 32a of the wiring device 30 are locked to the locking grooves 4a and 3a from the back side of the plate frame body 1, In order to guide the locking claws 32a into the locking grooves 4a, 3a, guide portions 4 each having a tapered surface inclined outward.
b and 3b are provided. That is, when attaching the wiring device 30 to the plate frame 10 as shown in FIG. 3, the body 31 of the wiring device 30 is attached to the plate frame body with the locking claws 32a abutting against the tapered surfaces of the guide portions 4b and 3b. 1 is pushed from the back side to the front side, the locking claw 32a is
By moving along the tapered surfaces of the b and 3b, the guide grooves are guided by the guide portions 4b and 3b to smoothly engage the locking grooves 4a and 3b.
3a.

Further, between the bases of the fixed beam portion 4 and the movable beam portion 3 and the edge of the opening 2 of the plate frame body 1, a locking claw 32a is locked in each of the locking grooves 4a, 3a. Abutting portions 4d that abut against the front side of the assembly frame 32 of the wiring device 30 in the folded state.
3d is provided. Therefore, when a force is applied to the body 31 of the wiring device 30 in the front direction of the plate frame 10 in a state in which the body 31 is attached to the plate frame 10, the movement of the body 31 to the front side is prevented by the contact portions 4d and 3d. Can be regulated by: Similarly, the plate frame 1 is attached to the body 31 of the wiring device 30.
When a force is applied in the rear direction of 0, since the locking claw 32a and the locking grooves 4a, 3a are in contact, the movement of the container body 31 can be restricted.

Further, the fixing beam portion 4 is provided with an instrument removing hole 4c penetrating from the front side of the plate frame main body 1 between the pair of locking grooves 4a, 4a, and is dedicated to a driver or a removing. Insert the tip of a jig or the like into this instrument removal hole 4c, and press the body 31 toward the movable beam 3 with the tip of the jig. The movable beam 3 is bent with a small force by the principle of leverage. The locking between the locking groove 4a on the fixed beam portion 4 side and the locking claw 32a of the wiring device 30 is released, and the plate frame main body 1 is released.
The wiring device 30 can be removed from the device.

A recess 12 is formed in each of both longitudinal pieces 11 of the plate frame body 1 in the longitudinal direction. Each recess 1
2, an insertion hole 12 a through which a box screw for attaching the plate frame 10 to an embedding box (not shown) or a screw for directly attaching the plate frame 10 to a construction surface such as a wall surface is inserted. Is provided.

At four corners of the plate frame body 1 and at substantially the center of the side frame pieces 5a and 5b, a decorative plate locking hole 13 for locking a locking projection 22 projecting from the back of the plate body 21 of the decorative plate 20. The decorative plate 20 can be removably attached to the front side of the plate frame 10 by inserting and locking the locking projections 22 into the decorative plate locking holes 13.

On the other hand, the plate body 2 of the decorative plate 20
1 is a rectangular main part 23 covering the front surface of the plate frame 10 with a synthetic resin having an insulating property (a thermoplastic resin such as an ABS resin or a thermosetting resin having elasticity);
Is formed in a substantially box shape integrally formed with a side wall 24 protruding rearward from the entire periphery. The locking projections 22 protrude substantially at the center of both sides in the direction perpendicular to the longitudinal direction of the main part 23 and at the back of four corners.

At substantially the center of the main part 21, the plate frame 1
An opening window 23a is provided to expose the functional surface of the wiring device 30 attached to the wiring device 30. Here, the width between the opposed side walls 24 of the plate body 21 is larger than each width of the plate frame body 1. That is, when the decorative plate 20 is attached to the front side of the plate frame 10 disposed on the construction surface, the plate frame main body 1 fits inside the plate main body 21 of the decorative plate 20 and the tip of the side wall 24 of the plate main body 21. Since the edge is formed so as to contact the peripheral edge of the plate frame main body 1, the leading edge of the side wall 24 almost contacts the construction surface. As a result, the mating surface of the plate frame 10 and the decorative plate 20 does not protrude further forward than the construction surface as in the related art, and the line of mating between the two is hardly seen from the side surface, thereby improving the appearance. be able to. As shown in FIGS. 2 and 3, a tapered surface 24 a that is inclined inward is provided at the leading edge of each side wall 24 of the plate main body 21 so that the decorative plate 20 can be easily attached to the plate frame 10. I have.

Further, a plurality of rows of ribs 26 are provided inside each side wall 24 of the plate body 21 to restrict the movement of the decorative plate 20 by abutting against the side surface of the plate frame body 1 from the direction along the construction surface. ing. That is, when the decorative plate 20 is attached to the front side of the plate frame 10, the rib 26 comes into contact with the side surface of the plate frame main body 1, so that the play of the decorative plate 20 with respect to the plate frame main body 1 can be prevented.

By the way, on the back side of the plate body 21, substantially rectangular flat plate-like projections 25a to 25d serving as reinforcing means are provided.
Are arranged in a row, and the decorative plate 20 is
When it is attached to the plate frame 25, the ridge 25a is fitted into the slit 8a provided in the plate frame main body 1, the ridges 25b and 25c are fitted into the slit 8b, and the ridge 25d is fitted into the slit 8c.
Is inserted into. Here, the dimensions of each of the protruding strips 25a to 25d are such that the inner circumferential surfaces of the slits 8a to 8c and the respective protruding strips 2 are fitted in the respective slits 8a to 8c of the plate frame main body 1.
The dimensions are set so that only a small gap is formed between the holes 5a to 25d. That is, in a state where the decorative plate 20 is attached to the plate frame 10 to which the wiring device 30 is attached, the four ridges 25a to 25d are fitted into the slits 8a to 8c of the plate frame main body 1, and the slits 8a to 8c
Since there is only a small gap between the inner peripheral surface of the plate frame and each of the ridges 25a to 25d, the movement (flexure) of the movable beam 3 of the plate frame main body 1 is restricted, and the movable beam serving as the holding means is controlled. 3
In addition, the fixed beam 4 is reinforced. As a result, even when a large force is applied to the operation unit when the wiring device 30 which is a switch is operated, or when the outlet is used as the wiring device 30, the plug inserted into the outlet is abnormally large force. Even when an impact such as pull-out is applied, the movement of the movable beam portion 3 is regulated as described above, so that the locking claw 32a of the wiring device 30 and the locking groove 3a of the movable beam portion 3 and the fixed beam portion 4 are formed. , 4a can be prevented from disengaging the wiring device 30 from the plate frame 10 without being released.

[0025]

According to the first aspect of the present invention, there is provided an opening for exposing a functional surface of a buried type wiring device, and a holding means for holding the wiring device exposed from the opening, the mounting device being provided on a construction surface. A plate frame that covers the opening side of the insertion hole, an opening window that exposes the functional surface of the wiring device, and a decorative plate that covers the front surface of the plate frame, and holding the plate frame so that the wiring device does not come off the plate frame Since the holding means for holding the wiring device is reinforced by the reinforcing device, the wiring device is not easily detached from the plate frame even when a large impact or force is applied to the wiring device. There is an effect that can be.

According to a second aspect of the present invention, the holding means has a locking groove for locking a locking claw provided on the wiring device, and a fixing beam provided on a peripheral edge of the opening of the plate frame. It has a locking groove for locking the locking claw, and comprises a movable beam portion that is flexibly provided on the periphery of the opening of the plate frame, and the reinforcing means projects from the rear side of the decorative plate, Since the ridges are fitted into the slits formed between one side frame piece of the frame and the movable beam, the movement of the movable beam is restricted by the ridges, so that there is a large impact on the wiring equipment. Even if force is applied, the locking claw of the wiring device and the locking groove of the movable beam portion are not released, so that the wiring device can be prevented from coming off the plate frame.

According to a third aspect of the present invention, the decorative plate includes a main portion that covers the front surface of the plate frame, and a side wall protruding from substantially the entire periphery of the main portion, and a width dimension between the opposed side walls of the decorative plate. Is larger than each width dimension of the plate frame, so when the decorative plate is attached to the front of the plate frame, the plate frame fits inside the decorative plate, and the leading edge of the side wall of the decorative plate is almost on the construction surface. Because the abutting surfaces of the plate frame and the decorative plate do not protrude further forward than the construction surface, the lines of the abutting surfaces of the plate frame and the decorative plate can be hardly seen from the side surfaces, so that the appearance can be improved. This has the effect.

According to the fourth aspect of the present invention, the rib which contacts the side surface of the plate frame is provided on the inner surface of the decorative plate.
There is an effect that it is possible to prevent rattling in the direction along the construction surface of the decorative plate with respect to the plate frame.

According to a fifth aspect of the present invention, since a fixture removal hole is provided which penetrates from the front surface of the side frame piece of the plate frame to the surface of the fixed beam portion facing the wiring fixture, the tip of the jig inserted into the fixture removal hole is provided. By pushing the wiring device toward the movable beam at the part, the movable beam can be bent with a slight force by the principle of leverage, and the locking groove on the fixed beam and the locking claw of the wiring device are locked And the wiring device can be easily removed from the plate frame.

According to a sixth aspect of the present invention, since the mounting means for detachably attaching the decorative plate to the plate frame is formed on the plate frame and the decorative plate, the mounting work of the decorative plate can be improved by the mounting means. effective.

According to a seventh aspect of the present invention, the mounting means is formed on the back of the decorative plate and protrudes toward the plate frame, and the decorative plate provided on the plate frame and locked with the locking protrusion of the decorative plate. Claim 6 because it comprises a locking hole.
The same effect as that of the invention is achieved.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing an embodiment.

FIG. 2 is a sectional view of the same.

FIG. 3 is a cross-sectional view showing an example of mounting the wiring device according to the first embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Plate frame main body 2 Opening part 3 Movable beam part 3a Locking groove 4 Fixed beam part 4a Locking groove 8a, 8b, 8c Slit 10 Plate frame 13 Decorative plate locking hole 20 Decorative plate 21 Plate main body 22 Locking projection 25a 25b, 25c, 25d Projection strip 30 Wiring device 32a Locking claw

Claims (7)

[Claims] An opening for exposing a functional surface of an embedded wiring device and holding means for holding a wiring device exposed from the opening are provided, and an opening side of an embedding hole provided on a construction surface is provided. A covering plate frame, a decorative plate having an opening window for exposing a functional surface of the wiring device and covering a front surface of the plate frame, and a reinforcing device for reinforcing a holding device of the plate frame so that the wiring device does not come off the plate frame. A plate for a wiring device, comprising: The holding means has a locking groove for locking a locking claw provided on the wiring device, and engages with a fixing beam provided on a peripheral edge of an opening of the plate frame and the locking claw. A movable beam portion, which has a locking groove for stopping, and is flexibly provided on a peripheral edge of an opening of the plate frame, wherein the reinforcing means projects from the back side of the decorative plate and is provided on one side of the plate frame. The wiring device plate according to claim 1, comprising a protruding strip inserted into a slit formed between the frame piece and the movable beam portion. 3. The decorative plate includes a main portion that covers the front surface of the plate frame, and side walls protruding from substantially the entire peripheral edge of the main portion. The wiring device plate according to claim 1, wherein the width is larger than the width dimension. 4. The wiring device plate according to claim 1, wherein a rib abutting on a side surface of the plate frame is provided on an inner surface of the decorative plate. 5. The wiring according to claim 2, further comprising an appliance removing hole penetrating from a front surface of the side frame piece of the plate frame to a surface of the fixed beam portion facing the wiring appliance. Instrument plate. 6. The wiring device plate according to claim 1, wherein mounting means for detachably attaching the decorative plate to the plate frame is formed on the plate frame and the decorative plate. 7. The mounting means includes a locking projection formed on the back of the decorative plate and projecting toward the plate frame, and a decorative plate locking hole provided on the plate frame and locking with the locking projection of the decorative plate. The wiring device plate according to claim 6, wherein