JP2021136508A - Intercom device - Google Patents

Abstract

To provide an intercom device capable of stopping a decorative panel with a screw without making the screw conspicuous, and further improving designability.SOLUTION: Screw stopping parts 19 and 19 for stopping a decoration panel 10 to an attachment metal fitting 31 with a screw are provided at a position exposed into a speaker hole 14 opened in the decoration panel 10 on a rear face side (a resin board 13 adhered to a rear face of a decoration board 12) of the decoration panel 10. Thus, screws 21 and 21 are made inconspicuous, and the appearance of an interphone slave 1 is prevented from being deteriorated. In addition, the decoration panel 10 can be enlarged as compared with a main body case because a structure that the decoration panel 10 is screwed to the attachment metal fitting 31 is adopted, and the interphone slave 1 has high designability.SELECTED DRAWING: Figure 1

Description

The present invention relates to an intercom device such as an intercom slave unit which is installed on a wall surface of an entrance and is called and operated by a visitor.

Conventionally, for example, as an intercom slave unit installed on a wall surface of an entrance, there is one in which a decorative panel is attached to the front surface of a main body case (for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2016-189573

In recent years, there has been a demand for assembling a large decorative panel to the main body case for the purpose of improving the design. However, with the conventional configuration in which, for example, the locking piece provided on the decorative panel is locked in the locked recess of the main body case, the assembling strength of the decorative panel cannot be ensured. Therefore, it is conceivable to adopt a configuration in which the decorative panel is screwed to the main body case, mounting brackets, etc., but such a configuration causes a problem that the screws for screwing the decorative panel are conspicuous and the appearance is spoiled. I will end up.

Therefore, the present invention has been made in view of the above problems, and an object of the present invention is to provide an intercom device capable of screwing a decorative panel without making the screws stand out and, by extension, improving the design. Is.

In order to achieve the above object, the invention according to claim 1 of the present invention comprises a decorative panel assembled on the front surface of a main body case in which a speaker is built, and is installed on a wall surface via a predetermined mounting bracket. A speaker hole is provided in the decorative panel, and a screwing part for screwing the decorative panel to the mounting bracket is provided at a position exposed in the speaker hole on the rear surface side of the decorative panel. It is characterized in that it is provided.
According to the invention of claim 1, the screws for screwing the decorative panel to the mounting bracket are inconspicuous, and the aesthetic appearance is not easily spoiled. Further, since the decorative panel is screwed, for example, a decorative panel larger than the main body case can be adopted, and the design of the intercom device as a whole can be improved.

The invention according to claim 2 has a tubular holding cylinder in which the speaker hole is formed in a long slit shape in a predetermined direction and the screwed portion projects rearward in the invention according to claim 1. On the other hand, the screw for screwing the decorative panel to the mounting bracket has a screw head whose diameter is larger than the width of the speaker hole in the lateral direction, and the screw has a screw head on the front side of the holding cylinder. Is positioned and the shaft portion is loosely inserted into the holding cylinder, and the shaft portion is held by the screwed portion.
According to the invention of claim 2, even when the decorative panel is not screwed to the mounting bracket, the decorative panel can hold the screw, the screw can be easily stored, and the decorative panel can be stored. The work of screwing to the mounting bracket can also be simplified.

According to the present invention, a speaker hole is provided in the decorative panel, and a screwing portion for screwing the decorative panel to the mounting bracket is provided at a position exposed in the speaker hole on the rear surface side of the decorative panel. .. Therefore, the screws for screwing the decorative panel to the mounting bracket are inconspicuous, and the aesthetic appearance is not easily spoiled. Further, since the decorative panel is screwed, for example, a decorative panel larger than the main body case can be adopted, and the design of the intercom device as a whole can be improved.

It is explanatory drawing which showed the intercom slave unit from the front side. It is explanatory drawing which showed the state which removed the decorative plate from the intercom slave unit of FIG. 1 from the front side. It is explanatory drawing which showed the main body case of the intercom slave unit from the front side. It is a perspective explanatory view which showed the intercom slave unit in the disassembled state from the front side. It is a perspective explanatory view which showed the interphone slave unit in the disassembled state from the rear side. It is explanatory drawing which showed the horizontal cross section at the position of the screwed part of the intercom handset in the state which the decorative panel is screwed to the mounting bracket from the lower side.

Hereinafter, the intercom slave unit according to the embodiment of the present invention will be described in detail with reference to the drawings.

FIG. 1 is an explanatory view showing the intercom slave unit 1 from the front side. FIG. 2 is an explanatory view showing a state in which the decorative plate 12 is removed from the intercom slave unit 1 of FIG. 1 from the front side. FIG. 3 is an explanatory view showing the main body case of the intercom slave unit 1 from the front side. FIG. 4 is a perspective explanatory view showing the intercom slave unit 1 in the disassembled state from the front side. FIG. 5 is a perspective explanatory view showing the intercom slave unit 1 in the disassembled state from the rear side. FIG. 6 is an explanatory view showing a horizontal cross section of the interphone slave unit 1 in a state where the decorative panel 10 is screwed to the mounting bracket 31 at the screwed portions 19 and 19 positions from the lower side.

The intercom slave unit 1 includes a main body case composed of a front case 2 arranged on the front side and a rear case 3 assembled on the rear surface side of the front case 2, and a decorative panel 10 assembled on the front surface of the main body case. The main body case and the decorative panel 10 can be installed on the wall surface by being screwed to the mounting box 32 fixed to the wall surface. Further, in the center of the front surface of the main body case, a touch panel unit 4 having a function as a display unit for displaying the name of the resident and a function as a calling operation unit operated when the visitor calls the resident is provided. Has been done. Further, a camera unit 5 for photographing the surroundings including the visitor is provided on the upper side of the touch panel unit 4, and a microphone unit for the visitor to talk with the resident is provided on the right side of the camera unit 5. 6 is provided. On the other hand, on the lower side of the touch panel unit 4, a speaker unit 7 for a visitor to talk with a resident is provided. Then, such an intercom slave unit 1 is installed on the wall surface of the entrance of the dwelling unit, and when the touch panel unit 4 is operated by a visitor, the camera unit 5 is operated to start imaging and the inside of the dwelling unit. The intercom master unit (not shown) installed in is called. Reference numeral 31 denotes a mounting bracket that is fixed in the mounting box 32 and to which the decorative panel 10 is screwed.

Here, the screwing structure of the decorative panel 10 in the intercom slave unit 1, which is the main part of the present invention, will be described.
A structure for screwing the decorative panel 10 to the mounting bracket 31 is provided in the speaker portion 7. The speaker unit 7 includes a speaker 8 built in the main body case, a speaker grid 9 which is a lower part of the main body case and is provided in front of the speaker 8, and a panel provided in the lower part of the decorative panel 10. It has a speaker unit 11. The decorative panel 10 is formed by attaching a resin plate 13 to the rear surface of a decorative plate 12 which is a metal plate, and a speaker hole 14 is formed as a panel speaker portion 11 at the lower portion of the decorative plate 12 in a slit shape long in the left-right direction. It has been opened. On the other hand, in the lower part of the resin plate 13, an opening 15 having a convex shape in front view is opened as a panel speaker portion 11, the upper part of the opening 15 is in front of the speaker grid 9, and the lower part of the opening 15 is a speaker hole. They are located behind 14 respectively.

Further, the rear portion of the lower portion of the opening 15 is covered with a cover portion 16, and the cover portion 16 is supported by a pair of ribs 17 and 17 projecting rearward from the left and right edges of the upper portion of the opening 15. .. Further, a pair of wall portions 18 and 18 extending in the vertical direction are projected forward on the front surface of the cover portion 16, and the left-right width between the wall portions 18 and 18 is substantially the same as the left-right width of the upper portion of the opening 15. It is said to be the same. Further, the lower end of the cover portion 16 is bent forward and integrated with the rear surface of the resin plate 13, and the rear space of the speaker hole 14 surrounded by the cover portion 16 and the wall portions 18 and 18 forms the speaker grid 9. It functions as a sound reporting space for guiding the sound emitted from the speaker 8 to the speaker hole 14 side. Then, it is screwed to the left and right outside of the sound reporting space in the cover portion 16 (outside in the left-right direction of the wall portions 18 and 18) and at a position behind the speaker hole 14 (a position exposed in the speaker hole 14). Parts 19 and 19 are provided. Each screwed portion 19 has a cylindrical holding cylinder 20 penetrating in the front-rear direction, and the screwed portion 19 has a screw head 21 for screwing the decorative panel 10 to the mounting bracket 31. Is located in the space between the decorative plate 12 and the shaft portion is held in a state where the shaft portion is loosely inserted into the holding cylinder 20 from the front. The decorative panel 10 (decorative plate 12 and resin plate 13) is also provided with various openings for forming the touch panel unit 4, the camera unit 5, the microphone unit 6, and the like.

Then, when the decorative panel 10 as described above is screwed to the mounting bracket 31, the resin plate 13 is first attached to the rear surface of the decorative plate 12 in advance, and the decorative panel 10 is assembled. At this time, if the diameter of the screw head is larger than the vertical width of the speaker hole 14, the decorative plate 12 and the resin plate 13 are attached after the screwed portions 19 and 19 hold the screws 21 and 21. Just wear it. Then, after applying the decorative panel 10 to the front surface of the main body case that has already been screwed to the mounting box 32, insert the tip of the screwdriver through the speaker hole 14 and tighten the screws 21 and 21 to reach the front surface of the main body case. The decorative panel 10 can be screwed to the mounting bracket 31 in the assembled state, and the intercom slave unit 1 can be installed on the wall surface.

According to the intercom slave unit 1 having the above configuration, the screwing portions 19 and 19 for screwing the decorative panel 10 to the mounting bracket 31 are attached to the rear surface side of the decorative panel 10 (on the rear surface of the decorative plate 12). The resin plate 13) to be worn is provided at a position exposed in the speaker hole 14 provided in the decorative panel 10. Therefore, the screws 21 and 21 are inconspicuous, and the aesthetic appearance of the intercom slave unit 1 is not easily spoiled. Further, since the decorative panel 10 is screwed to the mounting bracket 31, the decorative panel 10 can be made larger than the main body case, and the intercom slave unit 1 with high design can be obtained. can.

Further, the speaker holes 14 are provided in a long slit shape in the left-right direction, and each screwed portion 19 has a tubular holding cylinder 20 projecting rearward, while the decorative panel 10 is attached to the mounting bracket 31. The screw 21 for screwing to is provided with a screw head having a diameter larger than the vertical width of the speaker hole 14, and each screw 21 positions the screw head between the front side of the holding cylinder 20 and the decorative plate 12. In addition, the shaft portion is loosely inserted into the holding cylinder 20 and is held by the screwed portion 19. Therefore, even when the decorative panel 10 is not screwed to the mounting bracket 31, the decorative panel 10 can hold the screws 21 and 21, the screws 21 and 21 can be easily stored, and the decorative panel 10 can be easily stored. The screwing work to the mounting bracket 31 of 10 can also be simplified.

The intercom device according to the present invention is not limited to the embodiment of the above embodiment, and the present invention includes not only the overall configuration of the intercom device but also the configuration related to screwing to the mounting bracket of the decorative panel. It can be appropriately changed as necessary without departing from the spirit of the invention.

For example, in the above embodiment, one slit-shaped hole long in the left-right direction is adopted as the speaker hole, but the speaker hole is a slit-shaped hole extending in the vertical direction, and a plurality of the speaker holes are arranged in the left-right direction. A configuration in which a plurality of speaker holes are provided, such as a configuration in which the speaker holes are provided, a configuration in which the speaker holes are rounded, and a large number of such speaker holes are bored in a predetermined area, may be adopted. Of course, it is not necessary to provide screwing portions in all the speaker holes, and it is sufficient to provide screwing portions in any one (or two) speaker holes.

Further, in the above embodiment, as a screw for screwing the decorative panel to the mounting bracket, a screw having a screw head diameter larger than the width in the end hand direction of the speaker hole is adopted, but the screw head diameter is the speaker. Of course, it is also possible to use screws that are smaller than the holes.
Further, although the interphone slave unit is described in the above embodiment, it can be installed in a living room, for example, as long as a decorative panel is attached to the front surface of the main body case and a speaker hole is formed in the decorative panel. The present invention can also be suitably adopted for other interphone devices such as the interphone master unit.

1 ... Intercom equipment, 2 ... Front case (main body case), 3 ... Rear case (main body case), 7 ... Speaker section, 8 ... Speaker, 9 ... Speaker grid, 10 ... Decorative panel, 11・ ・ Panel speaker part, 12 ・ ・ Decorative plate, 13 ・ ・ Resin plate, 14 ・ ・ Speaker hole, 15 ・ ・ Opening, 19 ・ ・ Screwing part, 20 ・ ・ Holding cylinder, 21 ・ ・ Screw, 31 ・ ・Mounting bracket.

Claims (2)

It is an intercom device in which a decorative panel is attached to the front of the main body case with a built-in speaker and is installed on the wall surface via a predetermined mounting bracket.
A speaker hole is provided in the decorative panel, and a speaker hole is provided.
An intercom device characterized in that a screwing portion for screwing the decorative panel to the mounting bracket is provided at a position exposed in the speaker hole on the rear surface side of the decorative panel. While the speaker hole is formed in a long slit shape in a predetermined direction, and the screwed portion has a tubular holding cylinder protruding rearward, while the screwed portion has a tubular holding cylinder.
A screw for screwing the decorative panel to the mounting bracket has a screw head having a diameter larger than the width of the speaker hole in the lateral direction.
Claim 1 is characterized in that the screw is held by the screw fastening portion in a state where the screw head is positioned on the front side of the holding cylinder and the shaft portion is loosely inserted into the holding cylinder. The intercom device described in.

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