JP6434728B2 - Fireproof light outlet - Google Patents

Description

  The present invention relates to a fireproof light outlet provided with a protection function against a fire occurring in a house in an optical outlet used for connection between an optical outdoor line drawn indoors or an optical indoor line and a home optical cord.

  2. Description of the Related Art Conventionally, an optical outlet shown in Patent Document 1 filed first by the applicant of the present application and subsequently registered as a patent is known.

Thus, the optical outlet described in Patent Document 1 has the following configuration and functions. That is, as shown in FIG. 8, the indoor wall plate P is attached and fixed, for example, through a central vertically long opening 2A, such as a LAN modular jack M1, a telephone modular jack M2, and a TV antenna terminal M3. The adapter base 2 having screw holes 2b, 2c, 2d, and 2e that are screwed to the wall plate P after being attached to the opening P1 provided in the adapter, and attached to the adapter base 2 from the front surface. A one-port type (for example, three ports formed in a single row (not shown) of a plurality of ports for electrical connection such as a modular jack M1, a telephone modular jack M2, a TV antenna terminal M3, etc.) (Single type ) decorative panel 1.

  In addition, as shown in FIG. 9, in Patent Document 1, in addition to the adapter base 2 having the above-described configuration, three power outlets are provided via a centrally long opening 2B. With the wiring device mounting plate 2 ′ mounted and fixed in a vertical row, the M4 is mounted in the opening P <b> 1 provided in the indoor wall plate P, and the LAN modular jack M <b> 1 and the telephone modular jack are mounted. Three connecting portions 4 for electric connection of M2, TV antenna terminal M3, etc. are arranged in a vertical row, and three connecting portions 4 'for electric connection of the power outlet M4 are arranged in a vertical row. There has also been proposed a two-panel type (two-line type) decorative panel 1 formed by forming the above.

  The adapter base 2 is provided with a shutter mechanism Q for connecting two optical connectors, for example, an optical connector on the optical network unit (ONU) side and an optical connector on the user side. The optical adapter 5 is arranged in a state of being gripped by the holding claw portion H formed on the adapter base 2.

Japanese Patent No. 5390582

  However, in the case of the above-described Patent Document 1, the adapter base 2 or the wiring device mounting plate 2 'and the opening P1 of the indoor wall plate P, particularly the place where the optical connector connecting portion of the adapter base 2 is disposed are opposite. On the side, there may be a gap V due to the arrangement relationship between the opening P1 of the indoor wall plate P at the time of construction and an outlet box (not shown) embedded and installed inside the opening P1.

  In this way, a gap V is formed between the opening P1 and the adapter base 2 (see FIG. 8) or between the opening P1 and the wiring fixture mounting plate 2 ′ (see FIG. 9). If a fire broke out in the house, there was a risk that the heat of heat leaked outside through the gap V. Incidentally, since the decorative panel 1 described above is formed of a thin plastic material that melts instantaneously with heat, it has poor functionality as a heat shield for fire protection.

  Therefore, the present invention has been devised in view of the conventional circumstances as described above, and the heat is transferred to the outside through a gap between the adapter base or the wiring device mounting plate and the opening of the indoor wall plate. The purpose of the present invention is to provide a fireproof light outlet that prevents leakage and ensures a protective function against fire that occurs in the house.

In order to solve the problems described above, in the present invention, a fireproof light outlet provided with a connection part for electrical connection and an optical adapter for optical connector connection,
The fireproof light outlet has an adapter base that is attached and fixed to an opening provided in the indoor wall plate in a state where a modular jack, an antenna terminal, and the like are attached and fixed through a vertically long opening in the center,
A decorative panel provided with a connecting portion for electrical connection including a modular jack, an antenna terminal, and the like, and an opening for inserting an optical connector into the optical adapter;
A fire-resistant plate interposed between the adapter base and the decorative panel so as to cover a gap formed between openings of the adapter base and the indoor wall plate;
With
The fireproof plate has a vertically long rectangular opening at the center corresponding to each opening of the adapter base and the decorative panel, and one end side edge of the fireproof plate is attached to the adapter base by a mounting member such as a screw. Fixed,
In a single-type refractory light outlet in which one opening is formed in the center of the fireproof plate at the other end side edge of the fireproof plate, between the opening of the indoor wall plate and the adapter base. In order to be able to close the formed gap, a shielding surface portion inclined downward to come into contact with the edge of the opening of the indoor wall plate is formed,
On the other hand, in a multiple-type fireproof light outlet in which a fireproof plate having one opening at the center is sequentially arranged, between the opening of the indoor wall plate and the appliance mounting plate arranged in parallel with the adapter base. In order to make it possible to close the formed gap, a flange portion is formed that is bent substantially vertically so as to contact the edge of the opening portion of the indoor wall plate, and is locked to the outer surface of the flange portion. A claw is provided, and further, a frame having an opening of approximately the same size as the entire fireproof plate is disposed on the back surface of the decorative panel for the multiple fireproof light outlet,
In addition, the fireproof plate is formed so as to be fixed to the frame by hooking and engaging a locking claw of the flange portion with the opening of the frame .

  According to the present invention, it is possible to prevent the heat from leaking to the outside through a gap between the adapter base or the wiring device mounting plate and the opening of the indoor wall plate, and to ensure a protective function against a fire occurring in the house. Can be.

That is, in the present invention, a fireproof light outlet provided with a connection part for electrical connection and an optical adapter for optical connector connection,
The fireproof light outlet has an adapter base that is attached and fixed to an opening provided in the indoor wall plate in a state where a modular jack, an antenna terminal, and the like are attached and fixed through a vertically long opening in the center,
A decorative panel provided with a connecting portion for electrical connection including a modular jack, an antenna terminal, and the like, and an opening for inserting an optical connector into the optical adapter;
A fire-resistant plate interposed between the adapter base and the decorative panel so as to cover a gap formed between openings of the adapter base and the indoor wall plate;
Because it comprises
And said adapter base, it is possible to fire heat through the gap between the opening of the chamber wall plate is reliably prevented from being leaked to the outside.

  The fireproof plate has a vertically long rectangular opening at the center corresponding to each opening of the adapter base and the decorative panel, and one end side edge of the fireproof plate is attached to the adapter base by a mounting member such as a screw. Since it is fixed, the fireproof plate can be easily and quickly attached to the adapter base.

That is, in a single fireproof light outlet in which one opening is formed in the center of the fireproof plate at the other end side edge of the opening of the fireproof plate, the opening of the indoor wall plate and the adapter base since the shielding surface portion capable of closing the formed gap is formed by formed by downwardly inclined between, when the refractory plate is secured to the adapter base, the tip of the shielding surface portion chamber It contacts the edge of the opening of the wall plate. Thereby, the clearance gap formed between the opening part of the said indoor wall board and the adapter base can be closed reliably.

On the other hand, in a multiple-type fireproof light outlet in which a fireproof plate having one opening at the center is sequentially arranged, between the opening of the indoor wall plate and the appliance mounting plate arranged in parallel with the adapter base. In order to make it possible to close the formed gap, a flange portion is formed that is bent substantially vertically so as to contact the edge of the opening portion of the indoor wall plate, and is locked to the outer surface of the flange portion. A nail is provided, and a frame having an opening substantially the same size as the entire fireproof plate is disposed on the back surface of the decorative panel for the multiple fireproof light outlet, and the flange portion is provided at the opening of the frame. since the refractory plates by hook locking the locking claw is formed to be secured to the frame, the modular jack LAN, telephone jack, an electrical connection, such as TV antenna terminal A two-port type (two-line type) decorative panel in which three connecting portions for vertical connection and three connecting portions for electric connection of the power outlet are formed in a vertical row By doing, all the clearance gaps formed between the opening part of the said indoor wall board, an adapter base, and a wiring fixture attachment board can be plugged up reliably. The same applies to the case of three or more types (triple type) or more.

It is a disassembled perspective view which shows an example of a single-type fireproof light outlet provided with the 1-port type connection part for implementing this invention. Similarly, an example of a fireproof light outlet is shown, (a) is a front view, (b) is an AA cross-sectional view of (a), and (c) is a BB cross-sectional view of (a). An example of the fireproof plate for implementing this invention is shown, (a) is a front view, (b) is a top view, (c) is a left side view, (d) is a right side view, and (e) is a bottom view. It is. Similarly, it shows an example of the use of a fireproof light outlet, (a) is a front view, (b) is a front view with the decorative panel removed, and (c) is a cross-sectional view taken along the line CC in (a). It is a disassembled perspective view which shows the double type fireproof light outlet provided with the 2 port type | mold connection part in the modification of this embodiment. Similarly, an example of a fire-resistant plate in a fire-resistant light outlet provided with a two-port connection in a modification of the present embodiment is shown, (a) is a front view, (b) is a top view, and (c) is a left side view, (D) is a right side view. Similarly, it shows an example of the use of a fireproof light outlet provided with a two-port type connection in a modification of the present embodiment, (a) is a front view, (b) is a front view with a decorative panel removed, (C) is DD sectional drawing of (a). The single type | mold optical outlet provided with the 1 port type connection part in a prior art example is shown, (a) is a front view of the state which removed the decorative panel, (b) is EE sectional drawing of (a). The double type | mold optical outlet provided with the 2 port type connection part in a prior art example is shown, (a) is a front view of the state which removed the decorative panel, (b) is FF sectional drawing of (a). .

  Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

  As shown in FIGS. 1, 2, and 4, the fireproof light outlet according to the present invention is provided with, for example, a LAN modular jack M1, a telephone modular jack M2, and a TV antenna terminal through a central longitudinal opening 2a. An adapter base 2 having screw holes 2b, 2c, 2d, and 2e that are screwed and fixed to the wall plate P after being attached to the opening P1 provided in the indoor wall plate P with M3 and the like attached and fixed. ing.

  And it is attached to the front surface of the adapter base 2 by a tapping screw 45 and closes all gaps V formed between the opening P1 of the indoor wall plate P and the adapter base 2, for example, about 0.2 mm in thickness. A refractory plate 41 made of a metal such as SUS is provided.

In other words, the refractory plate 41. As shown in FIG. 3, corresponds to the opening 6 of the opening 2a and the decorative panel 1 of the adapter base 2, Vertical rectangular opening 41a is one formed in the center In addition, a vertically long flange portion 42 protruding in a step shape is formed at one end side (left side) edge of the fireproof plate 41, and a tapping screw 45 is passed through a vertically symmetrical portion along the longitudinal direction of the flange portion 42. Each hole 42b is formed. Corresponding to the hole 42b, a pair of upper and lower holes 2g for tapping the tapping screw 45 is formed at one end (left side) edge of the opening 2a of the adapter base 2. Has been.

In addition, the other end (right side) edge of the opening 41a of the fireproof plate 41 is sufficient to close a gap V formed between the opening P1 of the indoor wall plate P and the adapter base 2. A downwardly inclined shielding surface portion 44 having a horizontal width and a vertical width is bent. Further, a small flange portion 43 that is slightly inclined downward is bent at the upper and lower side edges of the opening 41a of the fireproof plate 41 .

  When the refractory plate 41 is fixed to the adapter base 2 by the tapping screw 45, the tip of the shielding surface portion 44 comes into contact with the edge portion of the opening P1 of the indoor wall plate P. Thereby, the vertically long gap V formed between the opening P1 of the indoor wall plate P and the adapter base 2 is reliably closed.

The fireproof light outlet according to the present invention is attached to the adapter base 2 from the front so as to cover the fireproof plate 41, and includes the LAN modular jack M1, the telephone modular jack M2, the TV antenna terminal M3, and the like. For example, there is provided a one-port type ( single- type) decorative panel 1 formed by forming connection portions 4 in which, for example, three of the plurality of ports are arranged in a vertical row.

  In the case of this embodiment, a total of four hook claws (not shown) projecting downward on the lower surface of the decorative panel 1 are respectively provided in the locking hole portions 2f formed at four locations of the adapter base 2. By being engaged, the adapter base 2 and the decorative panel 1 are integrally attached. Correspondingly, the fireproof plate 41 has two hook claws (not shown) on at least one side of the decorative panel 1 as shown in FIGS. 1, 3A, and 4B. Two holes 42c that can be inserted are formed.

  On one end side (left side) of the adapter base 2, for example, a shutter mechanism Q for connecting two optical connectors, that is, an optical connector on the optical network unit (ONU) side and an optical connector on the user side. The optical adapter 5 provided with is arranged in a state of being gripped by a pair of holding claws H formed on the adapter base 2.

  That is, the optical adapter 5 includes a shutter mechanism Q at the opening end of one fitting portion A that opens obliquely upward, and the opening end of the other fitting portion B that opens in the horizontal direction. When the optical adapter 5 is not used, the optical cap 5 is closed by a sealing cap 5a (see FIG. 1). On the other hand, when the optical adapter 5 is used, the cap 5a is removed from the fitting portion B and makeup is applied. It is attached to the panel 1. Note that the decorative panel 1 is attached to the adapter base 2 by changing the position of the optical adapter 5 to either the left or right with the rotation of the decorative panel 1 by 180 °.

  Further, on the side closer to the shutter mechanism Q on the upper side wall of the optical adapter 5, a convex portion 21 having a substantially rectangular flat plate protrusion is provided, and a display portion 22 indicating that the optical adapter 5 itself is provided on the upper surface thereof. Yes. The display portion 22 is formed by, for example, a mark or a character as shown in the drawing indicating the plug insertion direction, but it is needless to say that it may be formed by other display methods. A corresponding rectangular opening window hole 23 is formed on the front surface of the decorative panel 1 where the opening 6 is located, and the protrusion 21 is formed in the window hole 23 from the inside. By being inserted, the optical adapter 5 is housed and fixed inside the opening 6 of the decorative panel 1, and at the same time, the display unit 22 can be viewed from the front side of the decorative panel 1 through the window hole 23.

  Furthermore, the decorative panel 1 is provided with an opening 6 for connecting a user-side optical connector to the optical adapter 5 at a vertically symmetrical portion at one end of the decorative panel 1, and one opening 6 can be used. The other opening 6 is closed by a cap 9 which is removable.

  That is, as shown in FIG. 1, the cap 9 is formed of a substantially U-shaped flexible piece so as to be elastically crushed when inserted into the opening 6. And the convex part 9a of the rectangular planar protrusion shape same as the above-mentioned convex part 21 is formed in this one side surface, and this convex part 9a respond | corresponds to the above-mentioned substantially rectangular opening-like window hole 23. FIG. Therefore, when the cap 9 is inserted into the opening 6, as shown in FIGS. 2 (a) and 4 (a), the projection 9a engages with the window hole 23 and at the same time, the opening 6 The cap 9 is fixed on both upper and lower edges. On the other hand, when the cap 9 is taken out from the opening 6, the cap 9 may be forcibly pushed out from the inside toward the outside of the opening 6.

  As shown in FIG. 1, a vertically long rectangular planar sticking portion 31 is provided at one end of the decorative panel 1 corresponding to the opening 6 and the window hole 23 provided at the vertically symmetrical portion. Of these, the alerting sticker S can be stuck to the sticking part 31 corresponding to the vicinity of the opening 6 to be used.

  Further, as shown in FIG. 1, the connection portion 4 of the decorative panel 1 can be punched and broken in accordance with the electrical connection positions of the upper LAN modular jack M1 and the lower TV antenna terminal M3, for example. Two mask plates 27 are provided, and an unnecessary position of the mask plate 27 is pushed out from the inside and used. For example, one of the two mask plates 27 is removed and used, and the remaining one mask plate 27 is left attached.

  FIGS. 5 to 7 show the case of a double-type fireproof light outlet provided with a two-port type connecting portion in a modification of the present embodiment. In addition, the same code | symbol is attached | subjected to the part equivalent to FIG. 1 thru | or FIG. 4 of the said embodiment, and description is abbreviate | omitted or simplified suitably.

In this modification, as shown in FIGS. 5, 6, and 7, in addition to the adapter base 2 having the above-described configuration, a power outlet M <b> 4 is attached and fixed through a centrally long opening (not shown). The mounted wiring device mounting plate 2 ′ (see FIG. 7C) is mounted in the opening P 1 provided in the indoor wall plate P in a state where the wiring device mounting plate 2 ′ is arranged side by side. And for the electrical connection of the power outlet M4, the connection section 4 in which the three modular connections for the LAN modular jack M1, the telephone modular jack M2, the TV antenna terminal M3, etc. are arranged in a vertical line. Are provided with a two-port type (dual type) decorative panel 1 'formed with a connecting portion 4' in which one of the three is vertically aligned. At this time, the frame 53 is disposed on the back surface of the decorative panel 1 ′. The frame 53 is provided with an opening 53a having a substantially fireproof plate 41 size . The frame 53 fixes the fireproof plate 41 as will be described later, and is used as a spacer when the adapter base 2 or the like is changed in dimensions.

  In the present modification, the fireproof plate 41 is configured in a double manner so as to close all the gaps V formed between the opening P1 of the indoor wall plate P and the adapter base 2 and the wiring device mounting plate 2 ′. Has been. That is, as shown in FIG. 5, FIG. 6, and FIG. 7B, the fireproof plate 41 corresponds to the wiring device mounting plate 2 'via a narrow vertically long intermediate recess 52 at the right edge thereof. The other refractory plates 51 are arranged side by side, and in the center thereof, a vertically long rectangular opening 51a is formed so as to correspond to the position of the power outlet M4 attached to the wiring fixture mounting plate 2 ′. . Further, the right end edge portion of the fireproof plate 51 is a flange portion 51b bent substantially vertically, and cut-and-raised piece-like locking claws 51c are formed at the vertically symmetrical positions.

The refractory plate 41 has one end side edge (left side in the figure) fixed to the adapter base 2 by the tapping screw 45, while the other end side edge (right side in the figure) is disposed on the back surface of the decorative panel 1 '. The locking claws 51c of the flange portion 51b are hooked and locked to the opening 53a of the frame 53 , thereby being fixed to the frame 53 and the opening P1 of the indoor wall plate P. And the vertically long gap V formed between the wiring device mounting plate 2 ′ and the wiring device mounting plate 2 ′ are reliably closed (see FIG. 7C).

In addition to the single- type and double-type fireproof light outlets described above, a triple-type fireproof light outlet corresponding to the three-port type decorative panel 1 in which the three electrical connection portions 4 are arranged in three vertical rows is used. Or, a multi-type fireproof light outlet of a quadruple type or more is provided, and the fireproof plates 51 having a plurality of openings can be sequentially arranged in accordance with the addition of the electrical connection portions 4. Further, in the illustrated example, the tapping screw 45 is used as a means for fixing the fireproof plate 41 to the adapter base 2, but it goes without saying that other attachment members may be used.

  Next, an example of use / operation of the configuration configured as described above will be described.

  First, as shown in FIG. 1, for example, a LAN modular jack M1, a telephone modular jack M2, a TV antenna terminal M3, and the like are attached and fixed through a vertically long opening 2a in the center of the adapter base 2 (the above-described modification). In the case of the double-type fireproof light outlet provided with the two-port connection in the example, the power supply outlet M4 is further mounted and fixed on the wiring fixture mounting plate 2 ′ (see FIG. 7C)) After mounting in the opening P1 provided in the wall plate P, it is fixed to the wall plate P with screws through the screw holes 2b, 2c, 2d and 2e.

  Next, in the case of the double-type fireproof light outlet provided with the fireproof plate 41 (the two-port type electrical connection portions 4 and 4 ′ in the above-described modified example, the other fireproof plates 51 arranged in parallel to the fireproof plate 41 are included. ) Is attached to the front surface of the adapter base 2 by a tapping screw 45. As a result, as shown in FIGS. 2B, 4B, and 4C, the opening P1 of the indoor wall plate P and the adapter base 2 (in the modified example, the wiring fixture mounting plate 2 ') are formed. (See FIG. 7C)) are all closed.

  And the optical adapter 5 is attached to the opening part 6 provided in the left side of the said decorative panel. At this time, the optical adapter 5 is accommodated and fixed inside the opening 6 of the decorative panel 1 by fitting the convex portion 21 on the upper wall of the optical adapter 5 into the window hole 23 in the vicinity of the opening 6 of the decorative panel 1. At the same time, the display unit 22 that displays the mark or character as shown in the figure indicating the plug insertion direction, for example, which prompts itself to be the optical adapter 5 is visible from the front side of the decorative panel 1 through the window hole 23.

  On the other hand, the other (upper) opening 6 that is not used is closed by a cap 9 that is removable. When the cap 9 is inserted into the opening 6, the convex portion 9 a engages with the window hole 23 and the cap 9 is fixed.

  If necessary, a warning sticker S is affixed to the affixing portion 31 corresponding to the opening 6 to be used.

  The connecting portion 4 of the decorative panel 1 is used by extruding an unnecessary position of the mask plate 27 from the inside. For example, one of the two mask plates 27 is extracted and used, and the remaining one mask plate 27 is left attached.

  In the above-described embodiment, the light outlet configuration that is embedded and installed at the pipe outlet in the building as the fireproof light outlet has been described. An outlet may be used.

A One fitting part B The other fitting part P Indoor wall board P1 Opening part Q Shutter mechanism S Warning sticker M1 Modular jack for LAN M2 Telephone modular jack M3 TV antenna terminal M3
M4 Power outlet H Holding claw V Gap 1 Cosmetic panel 2 Adapter base 2A Opening 2B Opening 2 'Wiring device mounting plate 2a Opening 2b, 2c, 2d, 2e Screw hole 2f Locking hole 2g Hole 4, 4 'connection part 5 optical adapter 5a sealing cap 6 opening 9 cap 9a convex part 21 convex part 22 display part 23 window hole 27 mask plate 31 sticking part 41, 51 fireproof plate 52 intermediate concave part 41a, 51a opening part 42, 43 51b Flange portion 42b Hole portion 44 Shielding surface portion 45 Tapping screw 51c Locking claw
53 frames
53a opening

Claims (1)

A fireproof light outlet provided with a connection for electrical connection and an optical adapter for optical connector connection,
The fireproof light outlet has an adapter base that is attached and fixed to an opening provided in the indoor wall plate in a state where a modular jack, an antenna terminal, and the like are attached and fixed through a vertically long opening in the center,
A decorative panel provided with a connecting portion for electrical connection including a modular jack, an antenna terminal, and the like, and an opening for inserting an optical connector into the optical adapter;
A fire-resistant plate interposed between the adapter base and the decorative panel so as to cover a gap formed between openings of the adapter base and the indoor wall plate;
With
The fireproof plate has a vertically long rectangular opening at the center corresponding to each opening of the adapter base and the decorative panel, and one end side edge of the fireproof plate is attached to the adapter base by a mounting member such as a screw. Fixed,
In a single-type refractory light outlet in which one opening is formed in the center of the fireproof plate at the other end side edge of the fireproof plate, between the opening of the indoor wall plate and the adapter base. In order to be able to close the formed gap, a shielding surface portion inclined downward to come into contact with the edge of the opening of the indoor wall plate is formed,
On the other hand, in a multiple-type fireproof light outlet in which a fireproof plate having one opening at the center is sequentially arranged, between the opening of the indoor wall plate and the appliance mounting plate arranged in parallel with the adapter base. In order to make it possible to close the formed gap, a flange portion is formed that is bent substantially vertically so as to contact the edge of the opening portion of the indoor wall plate, and is locked to the outer surface of the flange portion. A claw is provided, and further, a frame having an opening of approximately the same size as the entire fireproof plate is disposed on the back surface of the decorative panel for the multiple fireproof light outlet,
The fireproof light outlet is characterized in that the fireproof plate is fixed to the frame by hooking and latching a latching claw of the flange portion on the opening of the frame.

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