JP3096534U - Flash plate set for embedded wiring equipment - Google Patents

Abstract

(57) [Problem] To provide a flush plate set of an embedded wiring device that has no recess on the surface of an enclosure wall and can be securely attached. The flash plate includes an inner frame having a bent piece formed on an edge thereof and an engagement projection formed on the bent piece, wherein the flash plate has a body having a surrounding wall bent at an outer periphery thereof, and a flashing plate. And a strip formed by stamping and forming a corresponding projection and superimposed and joined to the inner surface of the surrounding wall of the main body.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

  The present invention relates to a flush plate set for embedded wiring equipment.

[0002]

[Prior art]

  As a method of installing electrical wiring equipment, a wiring box is embedded in a wall and the Stores wiring devices such as switches and outlets, and exposes the operation part and outlet on the wall surface. The flash plate is attached so that the

[0003]   The flash plate is exposed on the surface of the wall, including the edges, so the appearance and appearance may be different. However, traditionally, at least the top and bottom of the flash plate Screw holes with countersink are provided at two locations, and screws can be screwed into the internal mounting frame through these holes. Since it was fixed with, the screw head was exposed on the surface of the flash plate and Was not good and the work was troublesome.

[0004]   Therefore, use the flash plate and the inner frame in combination to support the wiring equipment. By fixing the inner frame to the mounting frame and fitting the flash plate to it. There are some that allow the flash plate to be attached without screws. .

[0005]   However, in the past, the flap that is engaged with the protrusion provided on the bending piece formed on the inner frame has been used. The edge frame side projection 90 of the shoe plate 9 is pressed during the press molding of the flash plate. It was formed by bulging out.   Therefore, as shown in FIG. 1, the protrusions are formed on the upper and lower edge frame portions of the flash plate. Since the concave portions 91, 91 corresponding to 90, 90 are formed and are visually recognized The appearance is poor, the aesthetics are impaired, and dust is accumulated in the recesses 91, 91. Since it adheres, it is even more noticeable in darkness, and it is a recess even when cleaning. There was a problem that it was difficult to obtain.

[0006]

[Problems to be solved by the device]

  The present invention has been made to solve the above problems, and its purpose is to Where there are no recesses on the surface of the surrounding wall, but it is firmly attached PROBLEM TO BE SOLVED IN PROBLEM It is in.

[0007]

[Means for Solving the Problems]

  In order to achieve the above-mentioned object, the present invention forms a bending piece at the edge and engages the bending piece. It consists of an inner frame with protrusions and a flash plate. , The main body with the surrounding wall bent and the protrusion corresponding to the engaging protrusion And is composed of a strip joined to the inner surface of the surrounding wall of the main body. It has a feature.

[0008]   In a preferred embodiment, the strip formed by punching out the projection is spot-welded. It

[0009]

[Embodiment of device]

  An embodiment of the present invention will be described below with reference to the accompanying drawings.   2 and 3 show an embodiment of a flash plate set according to the present invention in use. 4 to 7 show the state of a single body.   1 is an outlet box embedded in the wall W, 1'is a box lid, 3 is An attachment frame for holding wiring equipment, which is attached to the box lid 1'and is It is fixed in the space.   Reference numeral 4 denotes an inner frame arranged and fixed on the front side of the mounting frame 3, and 5 denotes the inner frame 4. Is a flash plate that is attached to the flash plate, these flash plate 5 and inner frame 4 The set consists of.

[0010]   As shown in FIG. 7, the inner frame 4 allows a rectangular surface portion 4a to project a wiring device. Which has an opening 40 which is formed on the left and right sides and is bent backward from the surface portion 4a at a right angle to the bent piece 4b, 4b is at the ends of bases 4c and 4c that are appropriately protruded on the same plane as the plane 4a, Bending pieces 4d and 4d are formed in a right angle toward the rear.

[0011]   Openings 4 for spring formation are formed in the base portions 4c, 4c at symmetrical positions from the center line in the width direction. 1, 41 are formed, and the upper and lower bends at the positions corresponding to the openings 41, 41 are formed. On the pieces 4d, 4d, there are engaging projections 42, 42 that bulge outward by the stamping process. Are arranged.   The surface portion 4a is connected to the mounting frame 3 and further to the box lid 1 '. Holes 43 with a plate through which the screw 8 is inserted are bulged.

[0012]   For the flash plate 5, use a metal that does not easily corrode, such as stainless steel or aluminum alloy. It consists of a pressed body 5A and a strip 5B. The main body 5A has a peripheral surface 5a. The surrounding wall in which the vertical edge frame portions 5b and 5b and the horizontal edge frame portions 5c and 5c are continuous is bent and formed in the surrounding area. Therefore, the surface portion 5a is formed with an opening 50 through which the wiring device is projected.

[0013]   As shown in FIGS. 4 and 6, the strip 5B is substantially the same as the inner dimensions of the vertical edge frame portions 5b, 5b. For having the same length and the width of the lateral edge frame portion 5c substantially the same as the height, for engagement in the inner frame 4 The protrusions 52, 52 are punched in a relationship corresponding to the positions and the intervals of the protrusions 42, 42 of Is formed by. These protrusions 52, 52 are biased to the widthwise edge of the strip 5B. Are arranged.

[0014]   Then, in the strip 5B, as shown in FIG. 6, the projections 52, 52 are the projections of the lateral edge frame portion 5c. The upper and lower horizontal edge frame portions 5c and 5c are overlapped so as to be located on the side, and in this state 5c and 5c are joined and integrated. The joining may be adhesive, but is preferably , Spot welding and ultrasonic welding. Reference numeral 53 indicates a joint portion (welded portion) .   Therefore, the inner frame 4 has a length dimension that can be pushed into the space between the strips 5B and 5B. Has become.

[0015]   The inner frame 4 and the flash plate 5 of the present invention are not limited in size and shape. Absent. As shown in FIG. 8, it includes a case where a plurality of openings 50 are formed in a square shape. I'm out. The strip 5B may be divided into two.

[0016]

[Operation of the embodiment]

  The usage of the present invention is the same as the conventional one, that is, the outlay embedded in the wall body W is used. Fix the box lid 1'to the box and attach the wiring device A to the mounting frame 3. It is attached to the box lid 3 and fixed with screws in that state. And the mounting frame The inner frame 4 is arranged so as to cover 3 and the screw 8 is attached via the holes 43, 43 with the plate. 3 or further screw into the box lid 1 '.

[0017]   When the inner frame 4 is covered with the flash plate 5 in this state, the lateral edge frame parts 5c and 5c are Since the rigidity is increased by integrating the strips 5B, 5B, the protrusions 52, 52 presses the engaging projections 42, 42 of the bending pieces 4d, 4d above and below the inner frame to bend the bending piece 4 d and 4d are elastically deformed so that the projections 52 and 52 pass over the engagement projections 42 and 42. At that moment, the bent pieces 4d, 4d are restored, and they are brought into a meshed form as shown in FIG. others Therefore, the flash plate 5 is firmly fixed to the inner frame 4 so that it does not rattle back and forth. be able to.

[0018]   The present invention provides strips 5B and 5B having protrusions 52 and 52 in the lateral edge frame portions 5c and 5c. Since it has been integrated, with the flash plate 5 attached, The surface of the lateral edge frame portions 5c, 5c of the flash plate 5 is flat and has no unevenness. There is no dent. Of course, the head of the screw is not exposed on the surface portion 5a.   Therefore, the appearance is beautiful and the appearance is good, and dust adheres to the recesses and makes it unsightly. , There is no concern that cleaning will be troublesome.

[0019]   In addition, the strip 5B is formed by adding projections 52, 52 to a long strip-shaped material at predetermined intervals. It is obtained by cutting it so that it fits the dimension between the lateral edge frame portions 5c, 5c. Since it can be easily integrated with the flash plate 5 by welding, the cost is low. Wear.

[0020]

[Effect of device]

  According to claim 1 of the present invention described above, the wall of the flash plate 5 is surrounded. The surface of the part is flat and there are no recesses at all, so the installation is beautiful and the body Good cutting, avoiding the problem that dust and the like are collected locally.   Still, the protrusions 52, 52 corresponding to the engaging protrusions 42, 42 are formed by stamping. The strips 5B that have been formed are overlapped and joined to the inner surface of the edge frame portion of the flash plate body 5A. Therefore, the rigidity of the surrounding wall of the flash plate is increased, and the bending pieces 4d and 4d of the inner frame 4 are Surely elastically deform to firmly engage the engaging projections 42, 42 and the projections 52, 52. Since they can be fitted together, the mounting condition can be made extremely stable. The excellent effect of being able to be obtained is obtained.

[0021]   According to claim 2, is it easy to integrate the strip 5B and the flash plate body 5A? The excellent effect that it can be surely done is obtained.

[Brief description of drawings]

FIG. 1A is a perspective view of a conventional flash plate,
(B) is an enlarged sectional view taken along line XX of (a).

2A is a sectional view showing a flash plate set of the present invention in use, and FIG. 2B is a perspective view showing its appearance.

FIG. 3 is a partially enlarged view of FIG.

4A is a rear view of the flash plate of the present invention, and FIG. 4B is a plan view thereof.

5 is a partially enlarged sectional view of FIG.

6 is a partially enlarged perspective view of FIG.

7 (a) is a rear view of the inner frame, and FIG. 7 (b) is Y- of (a).
It is an expanded sectional view which follows the Y line.

8A is a rear view showing another example of the present invention, and FIG. 8B is a rear view of the inner frame.

[Explanation of symbols]

4 inner frame 5 flash plate 5A body 5B strip 5c Horizontal frame part 42 Engagement protrusion 52 protrusions 53 joint

Claims (2)

[Scope of utility model registration request] 1. A body comprising a flash plate and an inner frame in which a bent piece is formed on an edge portion and an engaging projection is formed on the bent piece, and the flash plate is a main body having an outer peripheral wall bent and formed, and an engaging projection. A flash plate set for an embedded wiring device, characterized in that the flash plate set is formed by stamping out projections corresponding to and is joined to the inner surface of the surrounding wall portion of the main body so as to be overlapped. 2. The flash plate set for an embedded wiring apparatus according to claim 1, wherein the strip having the protrusions formed thereon is spot-welded.