JPH0680321U - Unit cable for alarm - Google Patents

Abstract

(57) [Summary] (Correction) [Purpose] Perform wiring work and installation work of trimming plugs, etc. in a place such as a factory where work efficiency is high, and easily and safely perform installation work at high places on site. It is possible to obtain a unit cable for an alarm device that can be checked and the connection can be confirmed from the outside. [Structure] Box 1 made of transparent material, bolt insertion tube 9 of the bottom plate of box 1, one end inserted into the through hole of box 1 and positioned inside box 1, and the other end connected to a distribution board or the like. Trunk line, a plurality of cables with one end inserted into the box 1 and branched and connected to the trunk line, and smoke detectors and the like connected to the other end; A sealant 12 such as an epoxy resin for covering the through holes of each of the cables to fix the cable, an insulator such as an insulating tube for covering the wire connection portion in the box 1 so as to insulate, and the box 1 Non-hardening cord fixed so as to cover the through hole
An alarm unit cable 20 is composed of the king agent 19 and the cover plate 8 attached so as to cover the opening of the box.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a unit cable for an alarm used when wiring a smoke detector or the like.

[0002]

[Prior art]

 Conventionally, when an alarm device such as a smoke sensor is installed, the work to connect the cable to the alarm device after mounting the alarm device such as the smoke sensor.

[0003]

[Problems to be solved by the present invention]

 All of the conventional work to install alarm devices such as smoke detectors is on-site work, which has the drawbacks of poor workability and labor, as well as work at high places, which is dangerous and costly. There was a flaw.

In view of the above-mentioned conventional drawbacks, the present invention can perform troublesome wiring work in a safe and efficient place in a factory or the like, and can confirm the connection portion from the outside. It is an object of the present invention to provide an alarm unit cable that can be installed, is easy to install, and can be performed at low cost.

[0005]

[Means for Solving the Problems]

 In order to achieve the above object, the present invention is provided in a transparent material box having a bottom plate having a plurality of through holes formed in a peripheral wall thereof, and in a central portion of the bottom plate of the transparent material box. A bolt insertion tube for inserting a mounting bolt, a trunk line having one end inserted into the through hole of the box and located inside the box, and the other end connected to a distribution board, etc. A plurality of holes are inserted into the box by all or some of the open parts of the through holes, are branched and connected to the main line, and smoke detectors are connected to the other ends. -A cable, a sealant such as an epoxy resin for fixing the cables by covering the through holes of the plurality of cables and the portion where the main line is inserted, and the wiring inside the box Insulator such as an insulating tube that covers the part to insulate The unit cable for the alarm device is composed of a non-hardening caulking agent fixed so as to cover the open hole of the box and a cover plate attached so as to cover the opening of the box. ing.

[0006]

[Action]

 In the alarm unit cable configured as described above, the connection part between the main line connected to the distribution board etc. and the multiple cables connected to the alarm devices such as smoke detectors etc. is in the box. It can be stored in, and the state of the connection part can be seen from the outside.

[0007]

[Examples of the present invention]

 Hereinafter, the present invention will be described in detail with reference to embodiments shown in the drawings.

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

Reference numeral 9 is a pipe shape in which a lower end portion is inserted and supported in a bolt insertion tube supporting hole 5 of a bottom plate 6 of the box 1, and an upper end portion is inserted and supported in a bolt insertion tube supporting hole 7 of the lid plate 8. It is a bolt insertion tube.

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

One end of each of 13, 13, 13, 13, 13, 13 is inserted into the branch cable through holes 2, 2, 2, 2, 2, 2 of the box 1 and stored in the box 1. The branch cable is connected to the trunk cable 10 as described above, and the branch cable 13, 13, 13, 13, 13, 13 and the trunk cable 10 are insulated from each other. The insulation tape as the body 14 is wrapped around or the insulation tube is attached. In this embodiment, the insulation tube is attached and insulated.

Reference numerals 15, 15, 15, 15, 15, 15 and 15 denote through holes 2, 2, 2, 2, 2, 2 for branch cables of the branch cables 13, 13, 13, 13, 13, 13. It is a sealant such as an epoxy resin that is fixed so as to seal the part inserted into the.

Reference numerals 16, 16, 16 and 16 are end plugs attached to the other ends of the branch cables 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, and these smoke detectors, etc. The alarm devices 17, 17, 17, 17, 17, 17 are connected to the branching cables 13, 13, 13, 13, 13, 13 respectively, respectively, to the adjusting plugs 16, 16, 16, 16. The jacks 18, 18, 18, 18 are attached.

Numeral 19 is a non-curing caulking agent such as a silicone rubber which covers the branch cable through hole 2 of the unused portion of the box 1 (used at the time of expansion) so as to seal it. It

The alarm unit cable 20 having the above-described structure is used in a factory or the like to insert one end of the trunk cable 10 into the trunk through hole 3 of the box 1 and to branch through the cables 2, 2, 2. Insert one end of each branch cable 13,13,13,13,13,13 into each of 2, 2 and 2 to branch and connect to the main cable 10 and to form an insulator 14 at the connection portion. Cover with insulating tube. After that, the connected portion is housed in the box 1, the bolt insertion tube 9 is attached to the bottom plate 6, the cover plate 8 is covered, and the peripheral wall member 4 is adhesively fixed.

Next, the through holes 3 for the main cable and the through holes 2, 2, 2, 2, 2, 2 for the branch cables are sealed with the sealing agents 12, 15, 15, 15, 15, 15, 15, 15. At the same time, the branch cable through-hole 2 in the unused portion is sealed with a caulking agent 19.

The main cable 10 is cut to a preset length, and end-adjustment plugs 11, 11 connected to a distribution board or the like are attached to the other end. In addition, the branch cables 13, 13, 13, 13, 13, 13 are also cut into preset lengths, and the other end has alarm devices 17, 17, 17, 17, 17, such as smoke detectors. The end plugs 16, 16, 16, 16 respectively connected to the jacks 17, 18, 18, 18 of 17, 17 are mounted respectively.

The alarm unit cable 20 assembled as described above is transported to the setting site, and the bolt 21 is inserted into the bolt insertion tube 9 at a preset site to fix the box 1 to the ceiling or the like. , Branch cables 13, 13, 13, 13, 13, 13 are wired to preset locations, and alarm devices 17, 17, 17, 17 such as smoke detectors are attached to the part located at the tip. , 17, 17 are connected. Similarly, the main cable 10 is also wired to a preset location and connected to a distribution board or the like.

[0020]

[Different embodiment of the present invention]

 Next, different embodiments of the present invention shown in FIGS. 7 to 12 will be described. In the description of these different embodiments of the present invention, the same components as those of the first embodiment of the present invention will be designated by the same reference numerals and will not be described.

The second embodiment of the present invention shown in FIGS. 7 to 9 is mainly different from the first embodiment of the present invention in a box 1A, which is a bottom plate 6 and a bolt insertion tube 9. Is used as a single piece. Even with the alarm unit cable 20A using the box 1A formed in this way, the same operational effects as those of the first embodiment of the present invention can be obtained.

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

[0023]

[Effect of the present invention]

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

(1) A transparent material box having a plurality of through holes formed on the peripheral wall surface having a bottom plate, and a mounting bolt insertion hole provided in the central portion of the bottom plate of the transparent material box. Between the bolt insertion tube, the trunk that has one end inserted into the through hole of the box and is located inside the box, and the other end that is connected to the distribution board, and one end of the plurality of through holes of the box. A plurality of cables, each of which is inserted into the box through all or part of the through holes, is branched and connected to the main line, and a smoke detector or the like is connected to the other end, respectively. A sealant such as an epoxy resin that fixes the cable and the through hole at the portion where the main line is inserted to fix the cable, and an insulation that insulates the wire connection part in the box. Insulator such as tube and the box It consists of a non-hardening caulking agent fixed so as to cover the open holes in the box and a cover plate that is attached so as to cover the opening of the box, so it is safe for factories. Shielding work can be performed in the place where work efficiency is improved. Therefore, it can be manufactured at low cost.

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

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

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

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

(6) According to the second aspect, the same effects as the above (1) to (5) can be obtained.

[Brief description of drawings]

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

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

FIG. 3 is a perspective view of an essential 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 view of a connected state of an alarm device such as a smoke sensor 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.

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

[Explanation of symbols]

1, 1A, 1B: Box, 2: Through hole for branch cable, 3: Through hole for trunk cable, 4:
Peripheral wall member, 5: Bolt insertion tube support hole, 6:
Bottom plate, 7: Bolt insertion tube support hole, 8: Lid plate, 9: Bolt insertion tube, 10: Main cable, 11: End adjustment plug, 1
2: sealant, 13: branched cable,
14: insulator, 15: sealant,
16: Alignment plug, 17: Alarm device such as smoke detector,
18: Jack, 19: Caulking agent, 20, 20
A, 20B: alarm unit cable, 21: bolt.

Continued Front Page (72) Kaoru Shogawa 4125 Saitama Gyoda-shi, Saitama Toyokuni Electric Wire Co., Ltd. Saitama Factory

Claims (2)

[Scope of utility model registration request] 1. A box made of a transparent material in which a plurality of through holes are formed in a peripheral wall surface having a bottom plate, and a bolt for inserting a mounting bolt provided in a central portion of a bottom plate of the box made of the transparent material. The insertion tube, one end inserted into the through hole of the box and positioned inside the box, the other end is connected to a distribution board or the like, and one end between the plurality of through holes of the box. A plurality of cables each of which is inserted into the box through all or part of the through holes, is branched and connected to the main line, and a smoke detector or the like is connected to the other end,
A sealant such as an epoxy resin that covers the plurality of cables and the through hole of the portion where the main line is inserted to fix the cables, and the connection portion in the box are insulated from each other. An insulating material such as an insulating tube, a non-curable caulking agent fixed so as to cover the through hole formed in the box, and a cover plate attached so as to cover the opening of the box. Unit cable for alarm, which is characterized by consisting of 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 supporting hole formed at a substantially central portion so as to be attached so as to cover a bottom surface of the peripheral wall member. And a box made of a transparent bottom plate, a transparent lid plate mounted so as to cover the upper surface of the peripheral wall member and having a bolt insertion tube supporting hole formed in the substantially central portion thereof, and a bolt for inserting the bottom plate of the box. A bolt insertion tube whose lower part is supported by a tube support hole and whose upper part is supported by a bolt insertion tube support hole of the lid plate, and one end which is inserted into the through hole of the box and is located inside the box, and the other end of which is used for power distribution. A trunk line connected to a board or the like, and one end thereof is inserted into the box through all or some of the through holes of the plurality of through holes of the box, and branched and connected to the trunk line, etc. A smoke detector etc. is connected to each end A plurality of cables, a sealant such as an epoxy resin for fixing the cables by respectively covering the through holes of the plurality of cables and the portion where the main line is inserted, and the box. A unit case for an alarm device, which comprises an insulating tube for covering a wire connection portion inside thereof and a non-hardening caulking agent fixed so as to cover a through hole formed in the box. -Bull.