JPH06225427A - Structure for attaching frame - Google Patents

Abstract

PURPOSE:To fix an attaching frame in correspondence with the various thickness sizes of wall plates. CONSTITUTION:An attaching frame 3 is arranged at an opening part 2 provided in a wall plate 1. The edge part of the attaching frame 3 is brought into contact with the opening edge of the surface side of the opening part 2. A supporting member 4, which is protruding from the attaching frame 3, is contained and arranged in the opening part 2. A movable metal fitting 6 having a contact piece 5 at the tip part is provided at the supporting member 4. The attaching position of the above described movable metal fitting 6 can be varied along the longitudinal direction of the supporting member 4. The contact piece 5 of the movable metal fitting 6 is brought into contact with the opening edge of the rear surface side of the opening part 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an installation structure of a mounting frame to which a wiring device such as an outlet is mounted.

[0002]

2. Description of the Related Art Conventionally, as a structure for installing a mounting frame 3 in an opening 2 provided in a wall plate 1, for example, a structure shown in FIG. 9 has been provided. As shown in FIG. 8, a scissor metal fitting 30 is projected from the mounting frame 3 as shown in FIG. 8, and the scissor metal fitting 30 is housed in the opening 2 and disposed at the tip of the scissor metal fitting 30. The contact piece 30a is brought into contact with the opening edge on the back surface side of the opening 2, and in this state, the box screw 1
0 is tightened and the wall plate 1 is sandwiched between the mounting frame 3 and the contact piece 30a so that the wall plate 1 can be mounted in the opening 2.

[0003]

However, in the conventional example as described above, the width dimension between the mounting frame 3 where the wall plate 1 is located and the abutment piece 30a of the scissors fitting 30 is as follows. Since the thickness of the wall plate 1 that can be mounted is limited because it is in a predetermined width, the wall plate 1 should be mounted if the thickness is too large or too small. There is a problem in that it cannot be carried out and it is not possible to cope with various thickness dimensions of the wall plate 1.

An object of the present invention is to solve the above problems, and an object of the present invention is to provide an installation structure of a mounting frame which can be mounted according to various thicknesses of a wall plate.

[0005]

According to the present invention, in order to achieve the above object, a mounting frame 3 is arranged in an opening 2 provided in a wall plate 1, and an end edge portion of the mounting frame 3 is opened. 2 is a support member 4 that abuts on the opening edge of the front surface side and projects from the mounting frame 3.
Is accommodated in the opening 2, and the movable fitting 6 having the abutting piece 5 at the tip is provided on the support member 4 so that the mounting position of the movable fitting 6 can be varied along the longitudinal direction of the support member 4. The abutting piece 5 of the movable metal fitting 6 abuts on the back surface side opening edge of the opening 2.

Further, the movable metal fitting 6 is arranged so as to be slidable along the longitudinal direction of the supporting member 4, and the positioning holes 7 are formed at predetermined intervals along the longitudinal direction of the supporting member 4, and either positioning is performed. A locking projection 8 that is inserted and locked in the hole 7 is provided so as to project from the movable metal fitting 6, and the locking projection 8 is inserted and locked in one of the positioning holes 7 so that the support member 4 and the movable metal fitting 6 are adjusted by a screw. They may be connected to each other at 9.

[0007]

The mounting frame 3 is adjusted by adjusting the mounting position of the movable fitting 6 with respect to the support member 4 along the longitudinal direction.
The width between the contact piece 5 and the contact piece 5 can be adjusted to an arbitrary width, and the wall can be attached according to the thickness of various wall plates provided with the opening 2.

[0008]

The present invention will be described below in detail based on the illustrated embodiments. As shown in FIG. 7, an opening 2 is provided in the wall plate 1 by cutting a part of the wall plate 1 into a rectangular shape, and the mounting frame 3 can be mounted in the opening 2. There is.

The mounting frame 3 is a wall plate 1 provided with an opening 2.
It is formed in a square shape so that it can be arranged along the opening edge of the front side, and a connecting plate 3a to which the supporting member 4 is attached is integrally provided on the upper and lower portions. A through hole 11 into which the box screw 10 is inserted is provided in the center of the connecting plate 3a, and L-shaped locking holes 12 are provided on both sides of the through hole 11. A screw hole 14 into which a fixing screw (not shown) for fixing the decorative cover 13 installed on the outer surface side of the mounting frame 3 so as to cover the mounting frame 3 is inserted is provided in the upper part of the through hole 11. There is.

The supporting member 4 projecting from the mounting frame 3 so as to be orthogonal to the mounting frame 3 has a connecting plate formed by locking a pair of locking claws 15 provided at one end in the locking holes 12, respectively. It is connected to 3a. As shown in FIGS. 3 and 4, the support member 4 is formed of a vertical piece 4a and a horizontal piece 4b in a substantially L-shape, and the locking piece 15 extends laterally from the tip of the vertical piece 4a. It is projected. The horizontal strip 4b and the vertical strip 4a are provided with a ridge 16 along the longitudinal direction.
6, the bending strength of the horizontal piece 4b and the vertical piece 4a is improved. Further, the horizontal piece 4b is provided with positioning holes 7 at predetermined intervals along the longitudinal direction of the horizontal piece 4b, and the adjustment screw 9 is provided on the horizontal piece so as to be adjacent to the positioning hole 7.
Is provided with a slit 17. As shown in FIG. 3 (b), a position indicator (a) is provided on the side of each positioning hole 7 to indicate the connecting position of the movable fitting 6 described later. A cut-and-raised piece 18 is provided at a boundary between the vertical piece 4a and the horizontal piece 4b, and the cut-and-raised piece 18 is provided with a screw hole 18a into which the box screw 10 is screwed. The movable fitting 6 is connected to the support member 4 by an adjusting screw 9.

As shown in FIGS. 5 and 6, the movable metal fitting 6 is formed into a letter shape by bending the tip of the connecting plate 6a, and the contact piece 5 is formed at the bent tip. Has been done. A plurality of protrusions 19 are formed on the tip of the contact piece 5 by cutting and raising.
Is projected. Positioning pieces 20 are provided on both edges of the connecting plate 6a along the longitudinal direction. Also, the connecting plate 6a
A locking projection 8 is provided in the projection so as to match the projection direction of the positioning piece 20, and a screw hole 21 into which the adjusting screw 9 is screwed is provided so as to be adjacent to the locking projection 8. The movable fitting 6 engages a locking projection 8 provided on the connecting plate 6a with a positioning hole 7 provided on the supporting member 4, and connects the connecting plate through a slit 17 provided on a lateral piece 4b of the supporting member 4. 6a is screwed with an adjusting screw 9 to be connected and fixed to each other, and the position of the positioning hole 7 for locking the locking projection 8 is arbitrarily set to connect the movable metal fitting 6 to the support member 4. Can be freely adjusted along the longitudinal direction of the support member 4.

Thus, the mounting frame 3 abuts the abutment piece 5 at the front end of the movable metal fitting 6 connected to the support member 4 against the rear side opening edge of the wall plate 1 provided with the opening 2. It is attached to the opening 2 as shown in FIG. 1 by tightening the box screw 10 with. Here, the projection 19 provided on the abutment piece 5 bites into the opening edge on the back surface side of the wall plate 1 by tightening the box screw 10 so that the wall plate 1 is clamped by the mounting frame 3 and the abutment piece 5. It is certainly done. Reference numeral 22 is a wiring device such as an outlet, and 13 is a decorative cover.

When the thickness of the wall plate 1 provided with the opening 2 differs depending on the mounting location, the position of the positioning hole 7 for locking the locking projection 8 is appropriately set to bring the contact piece into contact. The width between the frame 5 and the mounting frame 3 can be changed, and the wall plate 1 can be mounted in various ways even when the plate thickness is different. Here, by connecting the support member 4 and the movable metal fitting 6 so that the locking projection 8 is locked at the position of the positioning hole 7 where the position indicator B indicates 18, the wall thickness of the wall plate 1 of 18 mm is obtained. The width dimension between the abutment piece 5 and the mounting frame 3 is set so as to correspond to the position of the positioning hole 7 in which the position indicator B indicates 38.
By connecting the support member 4 and the movable metal fitting 6 so that the locking projection 8 is locked at the position, the contact piece 5 and the mounting frame 3 are made to correspond to the plate thickness of the wall plate 1 of 38 mm. The width dimension is set, and 18 mm to 38 m can be set by appropriately setting the position of the positioning hole 7 in which the locking projection 8 is locked.
The attachment frame 3 can be attached in correspondence with the thickness of the wall plate 1 of m.

[0014]

As described above, according to the present invention, the mounting frame is arranged in the opening provided in the wall plate, and the end edge of the mounting frame is brought into contact with the opening edge on the front surface side of the opening. A projecting support member is housed in the opening, and a movable fitting having a contact piece at the tip is provided on the support member, and the mounting position of the movable fitting can be varied along the longitudinal direction of the support member. Since the contact piece of the movable fitting is in contact with the opening edge on the back side of the opening,
The width between the mounting frame and the abutment piece can be adjusted to an arbitrary width by adjusting the mounting position of the movable fitting to the support member along the longitudinal direction, and the opening is provided. The mounting frame can be installed in the opening corresponding to various thicknesses of the wall plate.

[Brief description of drawings]

FIG. 1 is a partially omitted sectional view showing an embodiment of the present invention.

FIG. 2 is an exploded perspective view of the above.

FIG. 3 shows a supporting member, (a) is a front view,
(B) is a left side view, (c) is a right side view, and (d) is a plan view.

FIG. 4 is a cross-sectional view taken along the line A-F in FIG.

FIG. 5 shows a movable fitting, (a) is a front view,
(B) is a rear view and (c) is a plan view.

FIG. 6 is a sectional view taken along line A-D in FIG.

FIG. 7 is a front view showing an opening.

FIG. 8 is an exploded perspective view of a conventional example.

FIG. 9 is a sectional view of the above.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Wall plate 2 Opening 3 Mounting frame 4 Supporting member 5 Abutment piece 6 Movable metal fitting 7 Positioning hole 8 Locking protrusion 9 Adjustment screw

Claims (3)

[Claims] 1. A mounting frame is arranged in an opening provided in a wall plate, an end edge of the mounting frame is brought into contact with an opening edge on a front surface side of the opening, and a support member projecting from the mounting frame is opened. The movable metal fitting, which is housed in the housing and provided with an abutting piece on the tip, is provided on the support member, and the mounting position of the movable metal fitting can be changed along the longitudinal direction of the supporting member, and the abutting piece of the movable metal fitting is opened An installation structure of a mounting frame, characterized in that the mounting frame is in contact with an opening edge on the back surface side of the section. 2. A movable fitting is arranged so as to be slidable along the longitudinal direction of the support member, and positioning holes are formed at predetermined intervals along the longitudinal direction of the support member, and the positioning member is inserted into any of the positioning holes. The locking projection to be stopped is projected from the movable metal fitting,
2. The mounting frame installation structure according to claim 1, wherein the locking projection is inserted and locked in one of the positioning holes, and the support member and the movable metal fitting are connected to each other by an adjusting screw. 3. The mounting frame installation structure according to claim 1, wherein the support member is provided with a ridge for ensuring bending strength.