JP2020137249A - Detected jig and wiring method using them - Google Patents

Abstract

To provide a detected jig capable of specifying a position of the cable from a chamber side when a wiring hole is formed in a ceiling joist, and the cable is arranged in the wiring hole, and provide a wiring method using them.SOLUTION: A detected jig 100 comprises: a temporal fixing part 1 that is researched when a position of a cable 150 arranged in a ceiling S1 is specified from an indoor S2 side, and which is temporally fixed so as to be inserted from the ceiling S1 to a wiring hole 201a formed in a ceiling joist 201; a holding part 2 arranged on a tip end side for the temporal fixing part 1, and holding a magnet 50; and an attachment part 3 arranged on a rear end side to the temporal fixing part 1, and to which the cable 150 is attached. The detected jig 100 is structured so that the wiring hole 201a can be passed in the case where it is tensioned to the indoor S2 side from the state where it is temporally fixed to the wiring hole 201a.SELECTED DRAWING: Figure 1

Description

The present invention relates to a detected tool and a wiring method using the same.

Conventionally, there is known a device to be detected that is detected when the position of a cable arranged behind the ceiling is specified from the indoor side (see, for example, Patent Document 1).

The detected device of Patent Document 1 includes a pair of mounting portions to be mounted on a ceiling base material such as a field edge, an extension portion spanned between the pair of mounting portions, and a detection tool provided in the extension portion. It has. In this detected device, the position of the cable can be specified from the indoor side by detecting the detected tool.

Japanese Unexamined Patent Publication No. 2008-150890

Here, when a wiring hole (first wiring hole) is formed at the field edge and a cable is arranged in the wiring hole, it is desired to specify the position of the cable from the indoor side. In the above-mentioned conventional device to be detected, the mounting portion is attached to the ceiling base material, and the detected tool cannot be arranged at a position overlapping the ceiling base material. It is considered difficult to identify.

The present invention has been made to solve the above problems, and an object of the present invention is a cable when a first wiring hole is formed at a field edge and a cable is arranged in the first wiring hole. It is an object of the present invention to provide a detected tool capable of specifying the position of the above from the indoor side and a wiring method using the same.

The detected tool according to the present invention is detected when the position of the cable arranged in the ceiling is specified from the indoor side, and is temporarily inserted into the first wiring hole formed in the field edge from the ceiling side. It includes a temporary fixing portion to be fixed, a holding portion arranged on the front end side with respect to the temporary fixing portion to hold a magnet, and a mounting portion arranged on the rear end side with respect to the temporary fixing portion and to which a cable is attached. .. The detected tool is configured to be able to pass through the first wiring hole when it is pulled indoors from a state where it is temporarily fixed in the first wiring hole.

With this configuration, the detected tool temporarily fixed to the first wiring hole is detected, so that the position of the cable can be specified from the indoor side. Further, the detected tool temporarily fixed in the first wiring hole is pulled out to the indoor side, so that the cable can be passed through the first wiring hole.

In the above-mentioned detected tool, the temporary fixing portion has a tapered outer peripheral surface formed so that the rear end side has a larger diameter than the tip side, and the outer peripheral surface has an inner peripheral surface of the first wiring hole. A plurality of first protrusions that bite into the surface may be formed.

In the above-mentioned device to be detected, the mounting portion is formed in a plate shape, the cable is mounted by a binding band, a second protrusion that bites into the cable is formed on one surface of the mounting portion, and the other surface of the mounting portion is formed. , An arrangement portion on which the binding band is arranged may be formed.

In the above-mentioned detected tool, the holding portion may have a pair of elastically deformable arms.

The detected tool may include a grip portion arranged on the tip side with respect to the holding portion, and the grip portion may have a through hole.

The wiring method using the detected tool according to the present invention uses the detected tool to which the cable is attached while holding the magnet, and the detected tool is placed on the back side of the ceiling in the first wiring hole formed in the field edge. The process of inserting and temporarily fixing from the inside, the process of detecting the detected tool temporarily fixed in the first wiring hole from the indoor side, and the process of forming the second wiring hole in the ceiling plate at the position where the detected tool is detected. It includes a step and a step of pulling out the detected tool temporarily fixed to the first wiring hole to the indoor side through the first wiring hole and the second wiring hole.

According to the detected tool of the present invention and the wiring method using the same, when the first wiring hole is formed at the field edge and the cable is arranged in the first wiring hole, the position of the cable is specified from the indoor side. can do.

It is a figure which showed the state which the detected tool by this embodiment is temporarily fixed in the wiring hole of a field edge. It is a perspective view which showed the state which the cable was attached to the detected tool by this embodiment. It is a perspective view which showed the detected tool by this embodiment. It is a perspective view which showed the detected tool by this embodiment from another angle. It is a figure which showed the state which the detected tool by this embodiment is inserted into the wiring hole of a field edge. It is a figure which showed the state which the detected tool by this embodiment was temporarily fixed to the wiring hole of the field edge, and the wiring hole was formed in the ceiling plate. It is a figure for demonstrating the attachment part by the modification of this embodiment.

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

First, the structure of the detected tool 100 according to the embodiment of the present invention will be described with reference to FIGS. 1 to 4.

As shown in FIG. 1, the detected tool 100 is detected when the position of the cable 150 arranged in the attic S1 is specified from the indoor S2 side. The cable 150 is, for example, wiring for a lighting fixture, and the detected tool 100 is used in the construction of electrical wiring work.

Here, the attic S1 and the indoor S2 are separated by a ceiling plate 200. The ceiling plate 200 is joined to the field edge 201 and supported by the field edge 201. The field edge 201 is a long plate material, is arranged on the upper side (X2 direction side) of the ceiling plate 200, and is provided in a plurality of fields at predetermined intervals in the horizontal direction. The field edge 201 is made of wood, for example, and a wiring hole 201a through which the cable 150 is passed is formed. The wiring hole 201a is an example of the "first wiring hole" of the present invention.

The detected tool 100 is, for example, a resin molded product, and includes a temporary fixing portion 1, a holding portion 2, a mounting portion 3, and a grip portion 4, as shown in FIGS. 3 and 4.

The temporary fixing portion 1 is configured to be inserted into the wiring hole 201a formed in the field edge 201 from the ceiling back S1 side and temporarily fixed. The temporary fixing portion 1 has a tapered outer peripheral surface 11. The outer peripheral surface 11 is formed so that the rear end side (X2 direction side) has a larger diameter than the tip end side (X1 direction side). That is, the diameter of the outer peripheral surface 11 is configured to be reduced from the rear end side to the front end side. A plurality of protrusions 12 are formed on the outer peripheral surface 11.

The protrusion 12 is configured to bite into the inner peripheral surface of the wiring hole 201a when the detected tool 100 is inserted into the wiring hole 201a. The protrusions 12 are formed so as to project radially outward from the outer peripheral surface 11 and extend in the longitudinal direction (X1 and X2 directions) of the device to be detected 100. For example, four protrusions 12 are provided, and the four protrusions 12 are arranged at intervals of 90 degrees in the circumferential direction. The protrusion 12 is an example of the "first protrusion" of the present invention.

The holding portion 2 is configured to hold a cylindrical (round) magnet 50 (see FIG. 2). The holding portion 2 is arranged on the tip end side with respect to the temporary fixing portion 1, and has an outer shape smaller than the diameter of the temporary fixing portion 1. The holding portion 2 has a pair of arms 21 and a wall portion 22.

The pair of arms 21 are formed in an arc shape and are elastically deformable. The tips of the pair of arms 21 are arranged at predetermined intervals, and are configured to hold the outer peripheral surface of the magnet 50 inserted through the gap between the tips. The wall portion 22 is arranged on the front end side and the rear end side with respect to the arm 21. That is, the wall portions 22 are arranged so as to face each other with the arm 21 sandwiched in the longitudinal direction of the device to be detected 100. Therefore, the wall portion 22 is configured to support the end face of the inserted magnet 50.

The attachment portion 3 is arranged on the rear end side with respect to the temporary fixing portion 1, and is configured so that the cable 150 can be attached by the binding band 160 (see FIG. 2). The mounting portion 3 is formed in a plate shape and is formed so as to extend in the longitudinal direction of the detected tool 100. The mounting portion 3 is arranged radially inside the outer peripheral edge of the temporary fixing portion 1.

A protrusion 31 that bites into the cable 150 is formed on one surface (inner surface) of the mounting portion 3, and an arrangement groove 32 in which the binding band 160 is arranged is formed on the other surface (outer surface) of the mounting portion 3. .. The protrusion 31 and the arrangement groove 32 are arranged at corresponding positions in the longitudinal direction (X1 and X2 directions) of the attachment portion 3 and are formed so as to extend in a direction orthogonal to the longitudinal direction of the attachment portion 3. The arrangement groove 32 is formed by a pair of protrusions 32a (see FIG. 4) facing each other in the longitudinal direction of the mounting portion 3. For example, two protrusions 31 and two arrangement grooves 32 are provided. The protrusion 31 is an example of the "second protrusion" of the present invention, and the arrangement groove 32 is an example of the "arrangement portion" of the present invention.

The grip portion 4 is formed in a plate shape, and is configured to be gripped when the operator pulls the detected tool 100 toward the indoor S2 side. The grip portion 4 is arranged on the tip end side with respect to the holding portion 2, and is formed so as to extend from the root of the arm 21 to the tip end side. Further, the grip portion 4 is formed with a through hole 41 penetrating in the thickness direction. The through hole 41 is configured so that a hook (not shown) can be engaged.

In the detected tool 100, the holding portion 2, the mounting portion 3, and the grip portion 4 are arranged radially inside the outer peripheral edge of the temporary fixing portion 1 so that the holding portion 2, the mounting portion 3, and the grip portion 4 can pass through the wiring hole 201a. Further, the base of the arm 21, the mounting portion 3 and the grip portion 4 are arranged at corresponding positions in the circumferential direction of the temporary fixing portion 1. That is, in the longitudinal direction of the device to be detected 100, the grip portion 4, the base of the arm 21, a part of the outer peripheral portion of the temporary fixing portion 1, and the mounting portion 3 are arranged so as to be substantially linearly connected.

-How to use the detected tool-
Next, a method of using the detected tool 100 (wiring method) according to the present embodiment will be described with reference to FIGS. 1 to 6. The following operations are performed by the operator. Further, in FIG. 5, the ceiling plate 200 (see FIG. 1) is not shown in consideration of visibility.

First, as shown in FIG. 2, the magnet 50 is attached to the detected tool 100. Specifically, when the magnet 50 is inserted through the gap at the tip of the arm 21, the magnet 50 is held by the holding portion 2.

Next, the cable 150 is attached to the device to be detected 100. Specifically, the tip of the cable 150 is arranged along one surface of the mounting portion 3. From that state, the binding band 160 arranged in the arrangement groove 32 (see FIG. 4) is tightened. Therefore, the cable 150 is attached to the attachment portion 3 by the binding band 160. At this time, the protrusion 31 (see FIG. 3) of the mounting portion 3 bites into the cable 150.

Then, as shown in FIG. 5, the detected tool 100 is inserted into the wiring hole 201a of the field edge 201 from the attic S1 side. As a result, as shown in FIG. 1, the temporary fixing portion 1 of the detected tool 100 is press-fitted into the wiring hole 201a, and the detected tool 100 is temporarily fixed in the wiring hole 201a. At this time, the protrusion 12 of the temporary fixing portion 1 bites into the inner peripheral surface of the wiring hole 201a. Further, the detected tool 100 is inserted into the wiring hole 201a from the tip side, and the grip portion 4 and the holding portion 2 for holding the magnet 50 are arranged inside the wiring hole 201a and in the vicinity of the ceiling plate 200. Have been placed.

After that, the detected tool 100 is detected from the indoor S2 side using a magnetic detector (not shown). Then, when the detected tool 100 is detected by the magnetic detector and the position of the detected tool 100 (the position of the wiring hole 201a and the cable 150) is specified, the ceiling at the specified position is as shown in FIG. A wiring hole 200a is formed in the plate 200. The wiring hole 200a is an example of the "second wiring hole" of the present invention.

Next, the grip portion 4 is gripped from the indoor S2 side using a pinching tool (not shown), and the pinching tool is moved downward (X1 direction side). Instead of using a holding tool, a hook (not shown) may be engaged with the through hole 41 of the grip portion 4 to pull the grip portion 4. As a result, the detected tool 100 temporarily fixed to the wiring hole 201a passes through the wiring holes 201a and 200a and is pulled out to the indoor S2 side. Then, after the detected tool 100 is removed from the cable 150, the cable 150 is connected to the luminaire and the luminaire is installed.

-Effect-
In the present embodiment, as described above, the temporary fixing portion 1 temporarily fixed to the wiring hole 201a of the field edge 201, the holding portion 2 for holding the magnet 50, and the mounting portion 3 to which the cable 150 is attached are provided. , It is configured so that it can pass through the wiring hole 201a when it is pulled toward the indoor S2 side from the state of being temporarily fixed to the wiring hole 201a. With this configuration, the detected tool 100 temporarily fixed to the wiring hole 201a is detected, so that the position of the cable 150 can be specified from the indoor S2 side. Further, the detected tool 100 temporarily fixed to the wiring hole 201a is pulled out to the indoor S2 side, so that the cable 150 can be passed through the wiring hole 201a. Therefore, by using the detected tool 100, the positions of the cable 150 and the wiring hole 201a can be specified from the indoor S2 side, and the cable 150 can be passed through the wiring hole 201a, thereby facilitating the wiring work. be able to. Further, it is possible to suppress the increase in size of the detected tool 100 and prevent the detected tool 100 from remaining in the ceiling S1 after the wiring work.

Further, in the present embodiment, since the temporary fixing portion 1 has the tapered outer peripheral surface 11, the temporary fixing portion 1 is press-fitted into the wiring hole 201a, so that the temporary fixing portion 1 is easily temporarily fixed to the wiring hole 201a. can do.

Further, in the present embodiment, since the protrusion 12 is formed on the outer peripheral surface 11, the protrusion 12 bites into the inner peripheral surface of the wiring hole 201a, so that the temporary fixing portion 1 is firmly temporarily fixed to the wiring hole 201a. can do.

Further, in the present embodiment, the protrusion 31 is formed on the mounting portion 3, so that the protrusion 31 bites into the cable 150, and the cable 150 can be prevented from being displaced with respect to the mounting portion 3. That is, the cable 150 can be firmly attached to the attachment portion 3.

Further, in the present embodiment, the binding band 160 can be prevented from being displaced with respect to the mounting portion 3 by forming the arrangement groove 32 in the mounting portion 3.

Further, in the present embodiment, by arranging the protrusion 31 and the arrangement groove 32 at the corresponding positions, the protrusion 31 is arranged at the portion where the tightening force by the binding band 160 acts, so that the protrusion 31 is arranged. The cable 150 makes it easier to bite.

Further, in the present embodiment, since the holding portion 2 has the elastically deformable arm 21, the magnet 50 can be easily attached to the detected tool 100.

Further, in the present embodiment, the grip portion 4 is provided so that the detected tool 100 can be easily pulled toward the indoor S2 side.

Further, in the present embodiment, the through hole 41 is formed in the grip portion 4, and by engaging the hook with the through hole 41, the device to be detected 100 can be easily pulled by the indoor S2 side.

Further, in the present embodiment, the grip portion 4 is arranged so that the grip portion 4, the base of the arm 21, a part of the outer peripheral portion of the temporary fixing portion 1, and the mounting portion 3 are arranged so as to be substantially linearly connected to the grip portion 4 in the room S2. Since it is possible to prevent the temporary fixing portion 1 from being clogged in the wiring hole 201a when pulled to the side, it is possible to easily pull out the detected tool 100 into the room S2.

-Other embodiments-
It should be noted that the embodiment disclosed this time is an example in all respects and does not serve as a basis for a limited interpretation. Therefore, the technical scope of the present invention is not construed solely by the above-described embodiments, but is defined based on the description of the claims. In addition, the technical scope of the present invention includes all modifications within the meaning and scope equivalent to the claims.

For example, in the above embodiment, the cable 150 is a wiring for a lighting fixture, but the present invention is not limited to this, and the cable may be a wiring for a fire detector or the like.

Further, in the above embodiment, an example in which four protrusions 12 are provided is shown, but the present invention is not limited to this, and the number of protrusions may be any number or no protrusions may be provided. Further, the example in which the protrusion 31 and the arrangement groove 32 are provided is shown, but the present invention is not limited to this, and the number of the protrusions and the arrangement grooves may be any number, and the protrusions and the arrangement grooves are provided. It does not have to be.

Further, in the above embodiment, an example in which the arrangement groove 32 in which the binding band 160 is arranged is formed in the attachment portion 3, but the present invention is not limited to this, as in the attachment portion 3a according to the modified example shown in FIG. An insertion hole 33 through which the binding band 160 is inserted may be formed. In this case, the insertion hole 33 is an example of the "arrangement portion" of the present invention.

Further, in the above embodiment, the same worker may perform the work in the attic S1 and the work in the room S2, or different workers may perform the work in the attic S1 and the work in the room S2. You may.

The present invention can be used for a detection tool to be detected when the position of a cable arranged behind the ceiling is specified from the indoor side, and a wiring method using the detected tool.

1 Temporary fixing part 2 Holding part 3, 3a Mounting part 4 Gripping part 11 Outer peripheral surface 12 Protruding part (first protruding part)
21 Arm 31 Protrusion (2nd protrusion)
32 Arrangement groove (arrangement part)
33 Insertion hole (arrangement part)
41 Through hole 50 Magnet 100 Detected tool 150 Cable 160 Binding band 200 Ceiling plate 200a Wiring hole (second wiring hole)
201 Norim 201a Wiring hole (1st wiring hole)
S1 Attic S2 Indoor

Claims (6)

It is a detection tool that is detected when identifying the position of the cable placed behind the ceiling from the indoor side.
A temporary fixing part that is inserted from the back of the ceiling and temporarily fixed to the first wiring hole formed on the field edge,
A holding portion that is arranged on the tip side with respect to the temporary fixing portion and holds a magnet,
It is provided with a mounting portion that is arranged on the rear end side with respect to the temporary fixing portion and to which the cable is mounted.
A tool to be detected, which is configured to be able to pass through the first wiring hole when pulled indoors from a state of being temporarily fixed in the first wiring hole. In the device to be detected according to claim 1,
The temporary fixing portion has a tapered outer peripheral surface formed so that the rear end side has a larger diameter than the tip side.
The detected tool is characterized in that a plurality of first protrusions that bite into the inner peripheral surface of the first wiring hole are formed on the outer peripheral surface. In the device to be detected according to claim 1 or 2.
The attachment portion is formed in a plate shape, and the cable is attached by a binding band.
A second protrusion that bites into the cable is formed on one surface of the mounting portion.
A tool to be detected, characterized in that an arrangement portion on which the binding band is arranged is formed on the other surface of the attachment portion. In the detected tool according to any one of claims 1 to 3,
The holding portion is a detection tool characterized by having a pair of elastically deformable arms. In the device to be detected according to any one of claims 1 to 4,
A grip portion arranged on the tip side with respect to the holding portion is provided.
A tool to be detected, characterized in that a through hole is formed in the grip portion. It is a wiring method that uses a detector to hold a magnet and a cable attached.
The process of inserting the detected tool into the first wiring hole formed in the field edge from the back side of the ceiling and temporarily fixing it.
The process of detecting the detected tool temporarily fixed in the first wiring hole from the indoor side, and
A process of forming a second wiring hole in the ceiling plate at the position where the detected tool is detected, and
A wiring method using the detected tool, which comprises a step of pulling out the detected tool temporarily fixed to the first wiring hole to the indoor side through the first wiring hole and the second wiring hole. ..

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