JP2003125513A - Wiring and piping protector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wiring and piping protector that is usable, even when building structural members, such as furring strips, gatepost, and the like, through which a wiring or a pipe is passed, are made of light-weight steel or metal, and that enables a work to be performed at a construction site by quiet screwing work without emitting noise. SOLUTION: This protector is provided with a protective pipe unit 2, in which a slit 4 is provided in such a way that it can be opened and closed at a part of its circumferential direction, over the entire length in its axial direction and that is fitted to the outside of a wiring or a pipe 21, and with threads 3 being provided in spriral shape on the outside surface of the protector pipe unit 2. When the protector pipe unit 2 is screwed into a passage hole 22 in the building structure members, such as furring strips, gatepost, and the like, the hole edge 2a of the passing hole 22 is locked in between the threads 3, 3 so that the wiring and piping protector 1 is locked and fixed to the passage hole 22.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a wiring / pipe protection tool for protecting wiring and piping installed inside a partition wall or the like from nails driven in from the outside.

[0002]

2. Description of the Related Art This kind of wiring / pipe protector is provided on a part of an electrical wiring such as a vinyl armored cable when the electrical wiring such as a vinyl armored cable is passed through the internal stud of the partition wall. It is fitted into the through hole and fixed in a retaining shape to protect the electric wiring from nails driven in from the outside. This is known in Japanese Utility Model Publication No. 2-42959 and Japanese Patent Application Laid-Open No. 11-205946.

The wiring / piping protector disclosed in Japanese Utility Model Publication No. 2-42959 mentioned above is separated into a part of its circumference so that it can be fitted onto the middle part of the wiring or piping even from one side thereof. A protective tube body is formed so that it can be opened and closed over the entire length in the axial direction, and a driving claw for driving and fixing to a furring strip or the like is provided on a part of the circumference of the upper end opening end of the protective tube body. The wiring / pipe protection tool described in JP-A-11-205946 is also provided at a furring edge or the like with a part of a protection tube body in which a separation part is provided in a part of the circumference so as to be openable and closable over the entire axial length. A piercing piece cut and raised in the axial direction is provided so as to be pressed against the inner peripheral wall of the hole so as not to be pulled out.

[0004]

However, in the above-mentioned wiring / pipe protector provided with the driving nail and the piercing piece, the furring strip, the stud, and the like are limited to those which are made of wood so that the driving nail and the piercing piece can be bitten. It cannot be applied to through-holes such as rims and studs made of metal such as lightweight steel.

An object of the present invention is to provide a wiring / pipe protection tool which can be suitably used even when a building structure member such as a furring strip or a stud through which wiring or piping is penetrated is made of metal such as lightweight shaped steel. Especially.

[0006]

DISCLOSURE OF THE INVENTION A wiring / pipe protection tool according to the present invention is for protecting wiring / piping penetrated through a through-hole of a building structure member such as a metal furring strip or a stud in the through-hole. The wiring / piping protector of claim 1, wherein the opening is provided in a part of the circumferential direction so as to be openable and closable over the entire length in the axial direction, and a protective tube body inserted into the through hole and a spiral on the outer surface of the protective tube body. It is characterized in that it is provided with a thread and is threaded into the through hole. In this case, a serrated check protrusion may be provided at the end of the thread. Further, the starting end of the thread can be tapered.

According to the wiring / piping protector having the above-described structure, the protective pipe body is screwed into the through hole of the building structure member such as the metal furring strip or stud, while the protective pipe body is screwed into the through hole to penetrate the valley portion between the screw threads. Since the hole edges of the holes are engaged, the wiring / pipe protection tool can be fixed to the through hole in a slip-out preventing manner. In this case, the wiring / pipe protection tool is screwed into the through-hole of the building structure member, so no noise is generated when hitting the wiring / pipe protection tool, and there is no annoyance to the surroundings and quiet field work. Can be recommended.

When a saw-toothed check protrusion is provided at the end of the screw thread, the check protrusion exhibits a stopper function for preventing the screw from being screwed into the through hole of the building structural member too much. Even if the studs or studs are made of wood, the sharp tip of the non-return projection bites into the inner peripheral wall of the through hole when inserted into the through hole provided in it, so that the wiring / pipe protection equipment should not come out of the through hole. Can be fixed.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a plan view of a wiring / pipe protector according to an embodiment of the present invention, FIG. 2 is a front view of the same wiring / pipe protector, FIG. 3 is a developed view of the same wiring / pipe protector, and FIG. 4 is the same wiring.・ A plan view showing the pipe protector in a half-opened expanded state, Fig. 5 is a bottom view of the same wiring / pipe protector in use, Fig. 6 is a front view of the same wiring / pipe protector in use, and Fig. 7 is Same wiring
It is a front view of the other usage state of a piping protection tool.

As shown in FIGS. 1 and 2, the wiring / pipe protection tool 1 is provided with a screw thread 3 in a spiral shape on the outer surface of a protective tube body 2. The starting end 3a of the screw thread 3 is tapered so as to gradually lower the screw thread 3 toward the starting end direction, and the end of the screw thread 3 is provided with a sawtooth check projection 15. The protective tube body 2 is provided with a separation portion 4 which is openable and closable over the entire length in the axial direction at a part in the circumferential direction thereof, and a flange 5 is formed so as to project outward at an opening edge at one end in the axial direction.

The wiring / pipe protection tool 1 can be manufactured, for example, by bending a metal plate having a predetermined shape as follows. The metal plate is punched by a press as shown in the development view of FIG. 3 to form a plate member 6 having a substantially rectangular shape. At that time, the long and short cuts 10, 11, 12 are intermittently inserted on the fold curve 9 connecting the central portions of the two opposite sides 7, 8 of the plate material 6, and the screw threads 3 are made to face each other. The cuts 10, 11 extending from one side 13 to the other side 14 of the two sides 13, 14
It is installed so as to pass through the space. At this time, as shown in FIG. 1, the starting end 3a of the screw thread 3 is formed into a small mountain by tapering so that screwing into a through hole 22 of a stud 20 described later can be smoothly started. On the other side 14, a saw-toothed check protrusion 15 is formed so as to be located at the end of the screw thread 3. Thus, the protection tube body 2 having a circular cross section can be formed by bending the plate material 6 along the folding curve 9 of the cuts 10, 11, and 12 and separating the sides 13 and 14 abutting each other. Part 4 is formed,
In addition, the check projection 15 is bent and bent outward, and the collar 5 is bent slightly outward from one of the two opposite sides 7 and 8 along a folding curve 16 parallel to the side 7.
Is formed overhang.

The open portion 4 of the protective tube body 2 thus obtained can be opened and closed (expanded / closed) in the circumferential direction by manually bending it along the folding curve 9. The protective tube body 2 is
Before use, the opening 4 is in a half-opened expanded state as shown in FIG. A slit 17 is provided between the cut lines 10 and 11 on the folding line 9. If this slit 17 is provided, the interruption end 3b of the screw thread 3 that breaks the continuous state on the folding curve 9 even when the protective tube body 2 is opened to the half-opened state as shown in FIG. It is possible to avoid the problem that the 3b hit each other.

Next, an example of use of the wiring / pipe protection tool 1 will be described. For example, as shown in FIGS. 5 and 6, when the electrical wiring 21 such as a vinyl armored cable is horizontally passed through the stud 20 made of lightweight shaped steel in the lightweight partition wall, when the wiring / piping protector 1 is shipped. The separation unit 4 is shipped in a half-opened expanded state in advance, and at the site, first, the wiring and wiring of the expanded state is performed.
The piping / protection tool 1 is applied to a part of the electric wiring 21, and then the opening / closing part 4 is closed to return to a tubular shape, so that the wiring / piping protection tool 1 is externally mounted on a part of the electric wiring 21. After that, when the protective tube body 2 is rotated and screwed into the through hole 22 provided in the stud 20 from the outside, the hole edge 22a of the through hole 22 engages between the screw threads 3 and 3, so that the wiring The pipe protector 1 is locked and fixed in the through hole 22 of the stud 20 so as not to be pulled out. When the check protrusion 15 is formed at the terminal end of the screw thread 3, the check protrusion 3 serves as a stopper that prevents the wiring / pipe protection tool 1 from being screwed too much.

As shown in FIG. 7, when the electric wiring 21 is vertically penetrated through the light-weight shaped steel stud-column (body member) 23 in the light-weight partition wall, the stud-column 23 is also used. By screwing the protective tube body 2 into the provided through hole 22 from above, the hole edge 22a of the through hole 22 is formed.
Is engaged between the screw threads 3 and 3, and the wiring / pipe protection tool 1 is locked and fixed in the through hole 22 of the stud steady rest channel 23 in a retaining state. Further, the wiring / pipe protection tool 1 having the screw threads 3 should be used also when the electric wiring 21 is penetrated through the stud 20 made of lightweight shaped steel in the lightweight partition wall in the inclined direction as shown in the figure. You can

When the saw-toothed check protrusions 15 are formed, even if the furring strips and studs are made of wood, the non-turning projections 15 are sharpened when driven into the through holes provided in the furring strips and studs. Since such a tip bites into the inner peripheral wall of the through hole, the wiring / pipe protection tool 1 can be fixed so as not to come out of the through hole.

The protective tube 2 may be made of a metal plate, or may be made of a reinforced plastic such as a resin containing glass fiber. It goes without saying that the object to be protected can be used not only for the wiring 21 but also for protecting the water supply pipe, hot water supply pipe, gas pipe, fire extinguishing pipe and the like made of resin. In addition to the studs in the partition wall and the furring material, the floor through which wiring and piping penetrate,
The same applies to building structural members such as walls, ceilings, columns, beams and the like.

[0017]

EFFECTS OF THE INVENTION According to the present invention, even when a building structure member such as a furring strip or a stud through which wiring or piping is penetrated is made of metal such as lightweight shaped steel, it is suitable as a protective tool for wiring or piping. It is advantageous in that it can be used and can be quietly constructed on site without producing noise.

[Brief description of drawings]

FIG. 1 is a plan view of a wiring / pipe protection tool according to an embodiment of the present invention.

FIG. 2 is a front view of the wiring / pipe protection tool of FIG.

FIG. 3 is a development view of the wiring / pipe protection tool of FIG. 1.

FIG. 4 is a plan view showing the wiring / pipe protection tool of FIG. 1 in a half-opened and expanded state.

5 is a bottom view of the wiring / pipe protector of FIG. 1 in use. FIG.

FIG. 6 is a front view of the wiring / pipe protector of FIG. 1 in use.

FIG. 7 is a front view of the wiring / pipe protector of FIG. 1 in another usage state.

[Explanation of symbols]

1 Wiring / Piping protector 2 protection tube 3 screw threads 3a Beginning of screw thread 4 Opening part 15 Non-return projection 20 studs 21 wiring 22 Through hole

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Claims (3)

[Claims] 1. A wiring / pipe protection tool for protecting a wiring / pipe penetrating through a through hole of a building structure member such as a metal furring strip or a stud in the through hole, which is a part in a circumferential direction. And a protective tube body that is openable and closable over the entire length in the axial direction and is inserted into the through hole, and a screw thread that is spirally provided on the outer surface of the protective tube body and that can be screwed into the through hole. Wiring / piping protector characterized by comprising: 2. The wiring / piping protector according to claim 1, wherein a serrated check projection is provided at a terminal end of the thread. 3. The wiring / piping protector according to claim 1, wherein a starting end of the thread is tapered.