JPH01209910A - Mounting frame - Google Patents

Abstract

PURPOSE:To enhance the deformation resistance of a mounting frame body by forming a rectangular framelike vertical edge of vertical pieces at both sides and coupling vertical pieces of both sides. CONSTITUTION:A switch 3 is engaged with the protrusion hole 4 of a mounting frame body 1, and attaching fittings 28 are clamped to the connecting steps 5, 7 of vertical pieces 6, 8. Then, the engaging protrusion 25 of a flush plate 16 is inserted to the connecting hole 12 of a flange 2, screws 30 are inserted to a suppressing plate 23 and the mounting holes 24, 11 of the body 1 to be mounted on a buried box. When the body 1 is clamped with the screws 20 to the box, the vertical pieces are integrally formed in a rectangular frame state with a stationary vertical piece 6, an elastic vertical piece 8 and coupling vertical pieces 9, 10 to reinforce the body 1. Accordingly, the deformation of the flange 2 due to the clamping of the screws 30 is suppressed, and the whole deflection of the body 1 is reduced, thereby preventing a wiring implement from sinking due to the deformation.

Description

DETAILED DESCRIPTION OF THE INVENTION [Objective of the Invention] (Industrial Field of Application) The present invention relates to a mounting frame for attaching a switch, an outlet, and other undesirable devices to an embedded box embedded and fixed in a wall surface or the like.

(Prior Art) This type of mounting frame, especially a mounting frame molded from synthetic resin, has vertical pieces facing each other and having locking steps for mounting wiring devices along both side edges. , Attach the wiring device to the mounting frame using the locking steps of the vertical pieces on both sides, and insert the screws inserted into the holes formed in the center of the width of the flanges at both ends of this mounting frame into the screw holes of the box. A structure is adopted in which the mounting frame is tightened and screwed into the embedded box.

(Problem to be Solved by the Invention) When the above-mentioned conventional mounting frame is screwed into the embedded box with screws, the flange portion of the mounting frame deforms around the mounting hole. There was a problem with the wiring fittings sinking in.

The present invention has been made in view of the above-mentioned problems, and even if the holes are tightened with screws, the mounting formed on the flanges at both ends of the mounting frame main body suppresses the deflection deformation of the flanges by the vertical pieces in the width direction at both ends. The object of the present invention is to provide a mounting frame that prevents a wiring device attached to the mounting frame from sinking.

[Structure of the invention]

(Means for Solving the Problems) The mounting frame of the present invention has a mounting flange portion formed at both ends with a hole formed approximately in the center in the width direction, and a fitting II is fitted in the center portion. a mounting frame body having a protrusion hole to protrude therefrom, forming a vertical piece having a locking step portion for locking the wiring device along one side edge of the back side of the mounting frame body, and forming a vertical piece on the other side. An elastic vertical piece having a locking step portion for locking the wiring device is formed along the edge, and both ends of the vertical piece are connected by connecting vertical pieces that respectively protrude along both ends of the projecting hole. , the vertical pieces on both sides and the connecting vertical pieces on both ends form vertical edges of a rectangular frame shape, and the mounting frame body has improved deformation resistance against tightening of screws.

Furthermore, the mounting frame of the present invention is characterized in that a rib having an inclined edge protrudes from the tip edge of the connecting vertical pieces at both ends toward the flange portion, thereby more effectively increasing the strength of the flange portion of the mounting frame. It is something that can be done.

(Function) The mounting frame of the present invention can be mounted by fitting an AS device, such as a switch or an outlet, into the protruding hole of the mounting frame body and locking it to the locking steps of the vertical pieces on both sides. , in this state,
To install the flange part of the mounting frame body, tighten the hole with a screw,
Use these screws to attach the mounting frame body to the embedded box.

At this time, the flange portion is prevented from being strained or deformed by the force of tightening the screw due to the connecting vertical piece in the width direction, and the placement device attached to the mounting frame body does not sink.

In addition, the flange of the mounting frame body is further reinforced by ribs with slanted edges protruding from the tip edges of the connecting vertical pieces at both ends toward the flange, and the slanted edges of the ribs are embedded. It serves as a guide when attaching the mounting frame body to the box, and the mounting frame body is aligned and attached to the center of the embedded box.

(Example) The configuration of an example of the present invention will be explained with reference to the drawings.

In Fig. 1, reference numeral 1 denotes a mounting frame body, which is molded into a substantially rectangular frame shape from synthetic resin such as Noryl resin, and has flange portions 2 integrally formed at both ends, and the front surface of the 7 flange portions 2. It is formed one step lower than the front surface of the mounting frame main body 1. A protrusion hole 4 is formed in the center of the mounting frame body 1 to fit and protrude a wiring device such as a switch 3 from the back side of the mounting frame body 1 as shown in FIG. The above-mentioned arrangement I! along one side edge of An elastic vertical piece that forms a fixed vertical piece 6 having a locking step 5 for locking the device 3, and has a locking step 7 for locking the wiring device 3 with a cut vortex interposed on the other side edge. 8, and both ends of both vertical pieces 6.8 are connected by connecting vertical pieces 9, 10 that respectively protrude along both ends of the protruding hole 4, and the vertical pieces 6.8 on both sides are connected to the both ends. The vertical pieces 9 and 10 form a rectangular frame-shaped vertical edge along the front end of the protrusion hole 4.

Further, in the seven flange portions 2 at both ends of the mounting frame main body 1, an oval mounting hole 11 is formed in the center portion of the width direction in correspondence with the screw hole of the embedded box, and furthermore, both of the seven flange portions In the portion 3, engagement holes 12 are formed outside the mounting holes 11, respectively.

Further, the flange portions 2 are installed at the left and right positions of the connecting vertical pieces 9 and 10 at both ends of the mounting frame main body 1, respectively, from the tip edges of the connecting vertical pieces 9 and 10 toward the 7 flange portions 2.
A rib 14 having an inclined shape n13 is provided to protrude to a position n13.

Next, a fludge plate 16 is attached to this mounting frame body 1.
I will explain about it.

The fludge plate 16 is molded from a synthetic resin such as a polymer alloy resin, and has an inner peripheral edge 17 formed as a fitting edge that is fitted into the mounting frame main body 1 .

Further, a recess 19 is formed on the surface of the fledge plate 16 along the inner peripheral edge 17 into which a decorative frame 18 molded from a synthetic resin such as a polymer alloy resin is fitted, and this recess i1
9 is formed with an engaging hole 21 for engaging a hook-shaped locking claw 20 protruding from the decorative frame 18. Further, as shown in FIG. 3, concave step portions 22 are formed on the left and right sides of both ends of the inner periphery of this fludge plate 16, and in these concave step portions 22, both ends of a restraining plate 23 formed of a metal plate are formed. is fitted. This fludge plate 1 is located in the center of the holding plate 23.
6, horizontally oblong elliptical mounting holes 24 are formed at positions corresponding to the mounting holes 11 of the mounting frame main body 1. In addition, in the center of the back surface of both ends of the fledge plate 1G, as shown in FIG. It is installed protrudingly.

Further, in the above-mentioned metering device, for example, the switch 3, an operation cover 26 of the switch 3 is attached to the operation portion 21 of the switch 3.

Next, the operation of this embodiment will be explained.

A wiring device, for example, a switch 3 is fitted into the protruding hole 4 of the mounting frame body 1, and the switch 3 is installed by locking the metal members 28 to the locking step portions 5.7 of the vertical pieces 6.8 on both sides. . Next, the engagement protrusion 25 of the fludge plate 16 is inserted and engaged with the engagement hole 12 of the seven flange portions 2 of the attachment frame body 1 to temporarily fix the flage plate 16 to the attachment frame body 1, and in this state. , the mounting frame body 1 is fitted onto the inner peripheral edge 17 of the fludge plate 16, and the 7 langes 2 are overlapped and abutted on the back surface of both ends of the fludge plate 16, and the holding plate 23 is attached through the hole 24 of the mounting frame body 1 Insert the screw 30 into the installation ILll, and
Screw it into the screw hole of the embedded box.1. Mounting frame body 1
At the same time, the fludge plate 16 is attached to the embedded box. The fledge plate 16 has both ends attached to the concave stepped portions 22 on both the left and right sides with 1#! With the holding plate 23 which is shaped like s,
When the screws 30 are tightened, the v1 weight due to the screw tightening is applied to both left and right ends of the fludge plate 16, so that both sides of the fludge plate 1G are not lifted up.

Then, when tightening the mounting frame body 1 to the embedded box with the screws 30, the fixed vertical piece 6, the elastic vertical piece 8 and 'a
Since the vertical pieces 9 and 10 are integrally formed in a rectangular frame shape and the mounting frame main body 1 is reinforced, deformation of the 7 flange portion 2 due to tightening of the screws 30 is suppressed, and the mounting frame main body 1 is The overall deflection is reduced, and the wiring equipment attached to the mounting frame main body 1 is prevented from sinking due to deformation of the mounting frame main body 1.

In addition, the flange portion 2 of the mounting frame body 1 is further reinforced by a rib 14 having an inclined edge 13 protruding from the tip edge of the connecting vertical pieces 9 and 10 at both ends toward the 7 flange portion 2. At the same time, the inclined edge 13 of this rib 14 serves as a guide when attaching the mounting frame main body 1 to the embedded box, and the mounting frame main body 1 is aligned and attached to the center of the embedded box.

In the embodiment described above, the engagement protrusion 25 of the fludge plate 16
into the locking holes 1 and 2 of the mounting frame body 1, and then tighten one screw 3.
0, the structure in which the fludge plate 16 and the mounting frame main body 1 are attached to the embedded box has been described, but in a structure in which the mounting frame main body 1 and the fludge plate 16 are individually attached with separate screws, the engagement hole 13 may be A screw hole is provided, and the fledge plate 16 is attached to this screw hole with a screw.

〔Effect of the invention〕

According to the present invention, for mounting, a hole is formed approximately at the center in the width direction, and flanges are formed at both ends, and the mounted object is located at the center. A vertical piece having a locking step portion for locking the wiring device is formed along one side edge of the text side of the mounting frame body having a protrusion hole for fitting and protruding the ffl tool, and a vertical piece is formed along the other side edge. form an elastic vertical piece having a locking step for locking the wiring device, and connect both ends of the vertical pieces with connecting vertical pieces that respectively protrude along both ends of the projecting hole. Since the vertical piece and the connecting vertical pieces at both ends form a vertical edge of a rectangular frame, it is possible to install a distribution device such as a switch, an outlet, etc. by fitting it into the protruding hole of the mounting frame body and attaching it to the vertical pieces on both sides. Attach it by locking it to the locking stepped part of the
In this state, the flange part of the mounting frame body is installed by tightening the hole with a screw, and when the mounting frame body is attached to the embedded box with these screws, the flange part is connected by the vertical piece in the width direction, and the flange part is tightened by the screw. The mounting frame is designed to suppress strain and deformation due to force, and prevent wiring equipment attached to the mounting frame from sinking.

In addition, the mounting frame body has ribs with slanted edges protruding from the tip edges of the connecting vertical pieces at both ends toward the flange portion, so that the flange portion of the mounting frame body is further reinforced, and the slanted edges of the ribs are serves as a guide when attaching the mounting frame body to the embedded box, and the mounting frame body is aligned and attached to the center of the embedded box, making it easy to attach the mounting frame body.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of a mounting frame showing one embodiment of the present invention;
The figure is an exploded perspective view of the wiring device attached to the mounting frame as above, Figure 3 is an exploded perspective view of a part of the fludge plate as above, and Figure 4 is a perspective view of a part of the fludge plate as above and the mounting frame. be. 1. Mounting frame body, 2. Flange part, 3. Arrangement [tool switch, 4. Projection hole, 11. Mounting hole, 5, 7
...Locking stepped portion, 6..Fixed vertical piece, 8..Elastic vertical piece,
9.10...Connecting vertical piece, 13...Slanted edge, 14...
rib. February 15, 1988 Inventor Fuku 1) Wa
(Patent applicant: Toshiba Electric Materials Corporation)

Claims (2)

[Claims] (1) A mounting frame main body having a mounting flange portion having a mounting hole formed at approximately the center in the width direction at both ends thereof and a protrusion hole in the center for fitting and protruding the wiring device to be installed, said mounting frame main body forming a vertical piece having a locking step for locking the wiring device along one side edge of the back side thereof, and having a locking step portion for locking the wiring device along the other side edge. An elastic vertical piece is formed, and both ends of the vertical pieces are connected by connecting vertical pieces that respectively protrude along both ends of the projection hole, and the vertical pieces on both sides and the connecting vertical pieces at both ends form a rectangular frame shape. A mounting frame characterized by having a vertical edge. (2) The mounting frame according to claim 1, characterized in that a rib having an inclined edge is provided protruding from the tip end edge of the connecting vertical piece at both ends toward the flange portion.