JP2590214Y2 - Alarm unit cable - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an alarm unit cable used for wiring a smoke detector and the like.

[0002]

2. Description of the Related Art Conventionally, when an alarm device such as a smoke detector is installed, an operation of connecting a cable to the alarm device after attaching the alarm device such as a smoke sensor is performed.

[0003]

[Problems to be Solved by the Invention] All the conventional work of installing an alarm such as a smoke detector is a work on site, has a disadvantage that workability is inferior and requires time and effort, and is work at a high place. Therefore, there is a disadvantage that the cost is high because of the danger.

The present invention has been made in view of the above-mentioned conventional drawbacks,
A unit for alarms that can perform troublesome wiring work in places that can be worked safely and efficiently in factories, etc., and that can be checked from the outside of the wiring part, and that can be installed easily and at low cost. It is intended to provide cables.

[0005]

In order to achieve the above object, the present invention provides a box made of a transparent material having a plurality of through holes formed in a peripheral wall having a bottom plate, and a bottom plate of the box made of the transparent material. A bolt insertion tube for mounting bolts provided at the center of the body, a trunk line having one end inserted into the through hole of the box and located in the box, and the other end connected to a distribution board or the like, One end is inserted into the box through all or a part of the plurality of through-holes of the plurality of through-holes of the box, respectively, is branched and connected to the main line, and the other end is connected to a smoke detector or the like. A plurality of cables, a sealant such as an epoxy resin for covering the through-holes of the portions where the plurality of cables and the trunk line are inserted, and fixing the cables, and insulating a connection portion in the box. Cover An alarm unit cable comprising an insulator such as an edge tube, a non-curing caulking agent fixed so as to cover the through hole opened in the box, and a lid plate attached so as to cover the opening of the box. Is composed.

[0006]

The unit cable for an alarm device configured as described above has a connection portion between a main line connected to a distribution board and the like and a plurality of cables to which alarm devices such as a smoke detector are connected in a box. It can be stored and the state of the connection portion can be seen from the outside.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings.

In the first embodiment of the present invention shown in FIGS. 1 to 6, reference numeral 1 denotes a transparent box made of a synthetic resin material such as PVC for accommodating a connection portion of a cable. In the present embodiment, a cylindrical peripheral wall member 4 having a branch cable through hole 2 into which seven branch cables are inserted, and a trunk cable through hole 3 into which one trunk cable is inserted, A bottom plate 6 in which a bolt insertion tube support hole 5 is formed at a substantially central portion adhesively fixed so as to cover the bottom surface of the peripheral wall member 4 and a substantially central portion adhesively fixed so as to cover the upper surface of the peripheral wall member 4 And a cover plate 8 in which a bolt insertion tube support hole 7 is formed.

Reference numeral 9 denotes a pipe-shaped pipe whose lower end is inserted and supported in the bolt insertion tube support hole 5 of the bottom plate 6 of the box 1 and whose upper end is inserted and supported in the bolt insertion tube support hole 7 of the cover plate 8. It is a bolt insertion tube.

Reference numeral 10 denotes a trunk cable having one end inserted into the trunk cable through hole 3 of the box 1 and the other end fitted with a trimming plug 11 connected to a distribution board or the like. The portion inserted into the trunk cable through-hole 3 is covered with a sealing agent 12 such as an epoxy resin so as to seal the trunk cable through-hole 3.

One end of each of 13, 13, 13, 13, 13, 13, 13 has a branch cable through hole 2, 2, 2,.
2, 2, 2, and branch cables connected to the trunk cable 10 so as to be housed in the box 1. The branch cables 13, 13, 13, 13,
At the connection portion between the cable 13 and the trunk cable 10, an insulating tape as an insulator 14 is wound or an insulating tube is attached. In the present embodiment, an insulating tube is attached and is insulated.

15, 15, 15, 15, 15, 15, 15 are inserted into the branch cable through holes 2, 2, 2, 2, 2, 2 of the branch cables 13, 13, 13, 13, 13, 13, 13. It is a sealing agent such as an epoxy resin fixed so as to seal the site.

Reference numerals 16, 16, 16, and 16 denote end-fixing plugs attached to the other end of the branch cable 13, respectively.

Reference numerals 17, 17, 17, 17, 17, 17 and 17 denote alarm devices such as smoke detectors connected to the branch cables 13, 13, 13, 13, 13, 13, 13. Each of the branch cables 13, 13, 13, 13, 13, 13,
Jacks 18, 18, 18, 18 which are respectively connected to the thirteen end setting plugs 16, 16, 16, 16 are attached.

Reference numeral 19 denotes a non-hardening caulking agent such as a silicone rubber-based material which covers the unused portion of the box 1 (used at the time of extension) so as to seal the branch cable through hole 2.

The alarm device unit cable 20 having the above configuration.
Is the trunk cable 1 in the trunk hole 3 of the box 1
0, and the branch cables 13, 13, 1 are inserted into the branch cable through holes 2, 2, 2, 2, 2, 2.
One end of each of 3, 13, 13 and 13 is inserted, branched and connected to the trunk cable 10, and the connection portion is covered with an insulating tube as an insulator 14. Thereafter, the connection portion is housed in the box 1, and the bolt insertion tube 9 is attached to the bottom plate 6, covered with the cover plate 8, and bonded and fixed to the peripheral wall member 4.

Next, the through holes 3 for the main cable and the through holes 2, 2, 2, 2, 2, 2 for the branch cable are sealed with the sealants 12, 1 and 2, respectively.
5, 15, 15, 15, 15 and 15, and the unused portion of the through hole 2 for a branch cable is sealed with a caulking agent 19.

The trunk cable 10 is cut to a preset length, and the other end is provided with a trimming plug 11, 11 connected to a distribution board or the like. Further, the branch cables 13, 13, 13, 13, 13, 13, 13 are also cut to preset lengths, and alarm devices 17, 17, 17, 17, 17, 17, 17 such as smoke detectors are provided at the other end. The plugs 16, 16, 16, 16 connected to the jacks 18, 18, 18, 18, respectively, are mounted respectively.

The unit cable 20 for an alarm device assembled as described above is carried to a setting site, and a bolt 21 is inserted into a bolt insertion tube 9 at a predetermined portion to fix the box 1 on the ceiling back or the like. Branch cable 13, 1
Wiring 3, 13, 13, 13, 13 to a preset location and connecting to alarms 17, 17, 17, 17, 17, 17, 17 such as smoke detectors attached to the part located at the tip end . Similarly, the trunk cable 10 is also wired to a preset location and connected to a distribution board or the like.

[0020]

Next, different embodiments of the present invention shown in FIGS. 7 to 12 will be described. In the description of the different embodiments of the present invention, the same components as those of the first embodiment of the present invention will be denoted by the same reference numerals, and redundant description will be omitted.

In the second embodiment of the present invention shown in FIGS. 7 to 9, the main difference from the first embodiment of the present invention is a box 1A, which comprises a bottom plate 6, a bolt insertion tube 9 and Are integrally formed. The same function and effect as those of the first embodiment of the present invention can be obtained with the alarm unit cable 20A using the box 1A formed as described above.

In the third embodiment of the present invention shown in FIGS. 10 to 12, the main difference from the first embodiment of the present invention is a box 1B, which is composed of a peripheral wall member 4, a bottom plate 6 and bolts. The one integrally formed with the insertion tube 9 is used. The same function and effect as those of the first embodiment of the present invention can be obtained even with the alarm unit cable 20B using the box 1B configured as described above.

[0023]

[Effects of the present invention] As is clear from the above description, the following effects can be obtained in the present invention.

(1) A box made of a transparent material having a plurality of through-holes formed on a peripheral wall surface having a bottom plate, and a mounting bolt provided at a roughly central portion of the bottom plate of the box made of the transparent material. A bolt insertion tube, one end inserted into the through-hole of the box, located in the box, the other end connected to a distribution board or the like, and one end formed between a plurality of through-holes of the box. A plurality of cables each of which is inserted into the box from all or a part of the through holes and is branched and connected to the main line, and the other end thereof is connected to a smoke detector or the like, and the plurality of cables and A sealing agent such as an epoxy resin for covering the through-holes of the portion where the trunk wire is inserted and fixing the cable, an insulator such as an insulating tube for covering and connecting the connection portion in the box, and the box; Ai A non-hardening caulking agent fixed so as to cover the through hole and a cover plate attached so as to cover the opening of the box. The connection work and the shield work can be performed by using. Therefore, it can be manufactured at low cost and can prevent erroneous connection efficiently at the time of installation work.

(2) According to the above (1), the installation work at a high place can be performed by fixing the box and wiring the trunk cable or the branch cable, so that the work can be performed safely and easily in a short time.

(3) According to the above (1), the connection condition in the box can be checked from the outside, and the installation standard can be satisfied.

(4) According to the above (1), the box can be sealed, so that the cause of the failure can be efficiently prevented.

(5) According to the above (1), it is possible to easily add an alarm device such as a smoke detector.

(6) Claim 2 has the same effects as (1) to (5).

[Brief description of the drawings]

FIG. 1 is an explanatory view showing a first embodiment of the present invention.

FIG. 2 is a partially cutaway explanatory view of a main part of the first embodiment of the present invention.

FIG. 3 is a perspective view of a main part of the first embodiment of the present invention.

FIG. 4 is an exploded perspective view of a box used in the first embodiment of the present invention.

FIG. 5 is an explanatory diagram of a connection state of an alarm device such as a smoke detector according to the first embodiment of the present invention.

FIG. 6 is a circuit diagram of the first embodiment of the present invention.

7 to 9 are explanatory views showing a second embodiment of the present invention.

FIGS. 10 to 12 are explanatory views showing a third embodiment of the present invention.

[Explanation of symbols]

1, 1A, 1B: Box, 2: Branch cable through hole, 3: Trunk cable through hole, 4: Peripheral wall member, 5: Bolt insertion tube support hole, 6: Bottom plate, 7: Bolt insertion tube support hole, 8 : Cover plate, 9: bolt insertion tube, 10: trunk cable, 11: end plug, 12: sealant, 13: branch cable, 14: insulator, 15: sealant, 16: end plug, 17: smoke Alarms such as detectors, 18: Jack, 19: Caulking agent, 20, 20A, 20B: Unit cable for alarm, 21: Bolt.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Teruo Ishii 4125 Toyokuni Electric Wire Co., Ltd., Saitama Prefecture, 4125 Saitama Factory, Gyoda City, Saitama Prefecture References JP-A 4-28735 (JP, U) JP-A 49-53296 (JP, U) JP-A 55-35884 (JP, U) JP 4-10519 (JP, U)

Claims (2)

(57) [Scope of request for utility model registration] 1. A box made of a transparent material having a plurality of through-holes formed in a peripheral wall surface having a bottom plate, and a bolt for inserting a mounting bolt provided at a substantially central portion of the bottom plate of the box made of the transparent material. An insertion tube, one end of which is inserted in the through hole of the box and is located in the box, and the other end is connected to a distribution board or the like, and one end of the trunk between the plurality of through holes of the box. A plurality of cables each of which is inserted into the box from all or some of the through-holes, is branched and connected to the main line, and is connected to a smoke detector or the like at the other end,
A sealing agent such as an epoxy resin for covering the through holes in the plurality of cables and the portion where the trunk line is inserted and fixing the cables, and an insulating tube and the like for covering the connection portions in the box so as to insulate them. An alarm device, comprising: an insulator, a non-curing caulking agent fixed so as to cover a through hole in the box, and a lid plate attached so as to cover an opening of the box. Unit cable. 2. A cylindrical peripheral wall member made of a transparent material having a plurality of through-holes formed in a peripheral wall surface, and a bolt insertion cylinder support hole is formed at a substantially central portion thereof so as to cover a bottom surface of the peripheral wall member. A bottom plate made of a transparent material, a cover plate made of a transparent material, which is attached so as to cover the upper surface of the peripheral wall member, and has a bolt insertion tube support hole formed at a substantially central portion thereof, and bolt insertion of the bottom plate of the box. A bolt insertion tube whose lower portion is supported by the tube support hole and whose upper portion is supported by the bolt insertion tube support hole of the lid plate, one end of which is inserted into the through-hole of the box and located in the box, and A main line connected to a board or the like, one end of which is inserted into the box through all or some of the open holes in the plurality of through holes of the box and is branched and connected to the main line, and Smoke detectors etc. are connected to the ends respectively A plurality of cables, a sealing agent such as an epoxy resin for covering the through holes at the portions where the plurality of cables and the trunk line are inserted, and fixing the cables, and insulating a connection portion in the box. A unit cable for an alarm, comprising: an insulating tube that covers the inside of the box; and a non-curing caulking agent that is fixed so as to cover the through hole in the box.