JP2000297524A - Execution jig for piping duct - Google Patents

Abstract

PROBLEM TO BE SOLVED: To certainly and easily attach a piping duct on a wall surface having a recessed and projecting part. SOLUTION: An execution jig is provided with a fitting part 2 having an inserting hole 4 communicated with a mounting hole 28 and which is fitted into a groove shaped mounting part 27 of a mounting base 21, and leg parts 3 which abuts on a wall surface by protruding from a bottom surface of a piping duct 20 in a state that the fitting part 2 is fitted into the mounting part 27 and which is formed freely to cut away so as to vary a protruding amount form the bottom surface. Thereby, the leg part 3 abuts on a bottom surface of a recessed part of a wall surface, the mounting base 21 is not deformed even if a mounting screw 25 is tightened, and it is possible to fix to a wall strongly. Moreover, the protruding amount of the leg part 3 from the mounting base 21 can be adjusted in proportion to the depth of the recessed part since the leg part 3 is made of synthetic resin and is formed freely to cut away.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a piping duct installation jig used when arranging a piping duct for accommodating piping for an air conditioner along a wall surface.

[0002]

2. Description of the Related Art A pipe duct 20 is formed of a synthetic resin into a cylindrical shape, and is fixed to a wall by mounting screws with its bottom surface in contact with the wall. For example, as shown in FIG. The outdoor portion of a pipe such as a refrigerant pipe or a drain pipe for an air conditioner is housed along the wall W (see Japanese Utility Model Application Laid-Open No. 4-104).
No. 109294, No. 3-72231, No. 62
-55797, JP-A-56-153770 and JP-A-9-250679).

[0003] A groove is provided in the bottom surface of the piping duct 20 along the longitudinal direction, and mounting holes through which the mounting screws are inserted are formed in the groove at predetermined intervals. That is, the pipe duct 20 is fixed to the wall W by screwing a mounting screw inserted into the mounting hole into the wall with the bottom surface in contact with the wall surface.

[0004]

However, if the wall surface overlapping the mounting hole of the piping duct 20 has irregularities, the construction becomes very difficult. That is, the pipe duct 2
Since a large gap is formed between the bottom surface and the wall surface of the pipe 0, if the mounting screw is excessively tightened in a state where such a gap is generated, the piping duct 20 is deformed. There is a problem that normal construction is very difficult because it causes rattling and dropping.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a piping duct installation jig which can securely and easily attach a piping duct to an uneven wall surface. Is to do.

[0006]

According to a first aspect of the present invention, in order to attain the above object, a mounting hole having a groove along a longitudinal direction on a bottom surface and a mounting screw for mounting on a wall surface is inserted through the mounting hole. It is used for a pipe duct provided at a predetermined interval in the groove, has a through hole communicating with the mounting hole, and has a fitting portion fitted in the groove, and a state in which the fitting portion is fitted in the groove. A leg portion protruding from the bottom surface of the piping duct and abutting against the wall surface and being formed so as to be releasable so as to vary the amount of projection from the bottom surface, between the bottom surface and the wall surface of the piping duct. Even if there is a gap, the leg protruding from the bottom of the piping duct can be brought into contact with the wall surface by cutting off the leg according to the gap, and the mounting screw inserted through the insertion hole of the fitting part Piping duct may be deformed even if tightened Ku, as a result, it is possible to attach the cable duct to the wall surface having irregularities reliably and easily.

According to a second aspect of the present invention, in the first aspect of the present invention, the fitting portion is press-fitted into the groove. Can be prevented from accidentally falling out of the groove.

According to a third aspect of the present invention, in the first or second aspect of the present invention, the insertion hole is formed in a shape corresponding to the mounting hole. The construction work can be performed more easily.

The invention of claim 4 is the invention of claim 1 or 2 or 3
In the invention, the leg is provided with a step serving as a measure of resection, and in addition to the effect of the invention according to claim 1 or 2, the protrusion amount of the leg can be easily adjusted.

According to a fifth aspect of the present invention, in any one of the first to fourth aspects of the present invention, at least a part of the leg portion is cut off. In addition, a tool such as a nipper or a cutter can be inserted from the cut-out portion to easily cut off.

[0011]

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

First, the piping duct 20 in which the construction jig according to the present invention is used will be described. This piping duct 20
As shown in FIG. 1, the mounting base 21 and the concealing cover 2
And 2. The mounting base 21 is made of a hard resin having a predetermined length, and has a substantially U-shape including a mounting wall 23 to a wall surface and a pair of opposing side walls 24, 24 erected at both ends in the width direction. It is formed and attached to the wall surface by the attachment screw 25. The mounting wall 23 has a contact portion 26 that comes into contact with the wall surface, and a concave groove that protrudes inward from the center of the contact portion 26, and has mounting holes 28 through which the mounting screws 25 are inserted. And a mounting portion 27 formed on the bottom surface. The mounting holes 28 have a long hole shape, and are provided at predetermined intervals in the longitudinal direction of the mounting portion 27 alternately in a direction in which the longitudinal direction coincides with the longitudinal direction of the mounting base 21 and in a direction substantially orthogonal to the longitudinal direction.

The opposing side wall 24 is formed so as to open slightly to the left and right in order to elastically engage with the concealing cover 22, and has an engaged portion 30 at the front end with which the engaging portion 29 of the concealing cover 22 engages. Is provided. The engaged portion 30 includes a step portion 31,
A stepped portion 31 is formed by bending the distal end portion of the opposing side wall 24 inward substantially in parallel with the attachment wall 23, and includes a locking portion 32 and an engagement groove 33. Is bent substantially at right angles in the direction away from the mounting wall 23 and the tip thereof is rounded outward, so that the step portion 3 is formed.
A hinge-shaped locking portion 3 having a substantially circular section at a predetermined interval from 1
2 are provided. A gap between the step portion 31 and the locking portion 32 separated by a predetermined distance is defined as an engagement groove 33. In addition, when the concealing cover 22 is housed in the mounting base 21 in an overlapping manner, the step portion 31 also functions as a displacement suppressing portion that suppresses displacement of the concealing cover 22 in the axial direction. Furthermore, the locking part 3
2 is provided with a locking hole 34 into which a shaft portion of the tapping screw can be inserted.
When the tapping screw is screwed and inserted in a state where the concealing cover 22 is engaged with the concealing cover 22, the head of the tapping screw is engaged with the axial edge of the engaged portion 30 of the mounting base 21 and the concealing cover 22. It is locked on both axial edges of the joint 29.

The concealing cover 22 is made of a hard resin having a predetermined length similarly to the mounting base 21, and forms a tubular pipe duct 20 by engaging with the mounting base 21. The piping is housed between. The concealing cover 22 includes a top plate wall 35 and a pair of engaging walls 36, 36 erected at both ends in the width direction.
5 is opposed to the mounting wall 23 of the mounting base 21 when engaged with the mounting base 21, and has a length in the width direction shorter than the narrowest distance between the opposing side walls 24, 24 of the mounting base 21. . A corner portion 37 extending from the top wall 35 to the engagement wall 36 is formed in a tapered shape.

The engaging wall 36 is provided substantially at right angles to the top plate wall 35, and the facing distance is formed substantially equal to the distance between the facing side walls 24, 24 of the mounting base 21. An engaging portion 29 is provided on the engaging wall 36 and engages with the engaged portion 30 of the mounting base 21 from outside. The engagement portion 29 includes an engagement piece 38 and a reinforcing engagement portion 39. The engagement piece 38 bends the distal end portion of the engagement wall 36 inward at a substantially right angle to form the mounting base 21. It is provided so as to engage with the engaging groove 33 and to abut in parallel with the step portion 31. The engagement piece 38 is formed such that the distance between the distal ends thereof is slightly shorter than the distance between the bottoms of the engagement grooves 33 of the mounting base 21.
And is elastically engaged. In addition, the reinforcement locking part 3
9 is the locking portion 32 of the mounting base 21 between the engaging piece 38
And abuts the locking portion 32 of the mounting base 21 and supports the pressure from the top plate wall 35 side. The reinforcement locking portion 39 includes a contact piece 40 substantially parallel to the top panel wall 35 and a support piece 41 substantially perpendicular to the top panel wall 35.

In the concealing cover 22, the top plate wall 35 is pushed into the opening between the opposing side walls 24, 24 of the mounting base 21, so that the corner portion 37 and the engaging wall 36 are guided, as shown in FIG. As described above, it is possible to easily store it inside the mounting base 21 in an overlapping manner. Then, the engagement piece 38 abuts the step portion 31 of the mounting base 21 from the inside, whereby the displacement of the concealing cover 22 in the axial rotation direction is suppressed, and a stable storage state can be obtained. Therefore, the handleability when not in use is excellent, and packing, transportation, storage and the like can be performed efficiently. Further, the cutting operation at the time of using the cutting can be easily performed.

In order to dispose the pipe duct 20 on the wall surface, the contact portion 26 is brought into contact with the wall surface so that the mounting hole 28 overlaps a screw hole provided at a required position on the wall surface.
A mounting screw 25 made of a wood screw or the like is screwed into the screw hole and tightened to fix the mounting base 21 to the wall surface.
2 is engaged with the mounting base 21.

Next, the construction jig 1 according to the present invention will be described.

As shown in FIGS. 2 and 3, the construction jig 1 has an insertion hole 4 communicating with a mounting hole 28 of a pipe duct 20 (mounting base 21), and has a groove-shaped mounting portion of the mounting base 21. 27, and the bottom surface of the pipe duct 20 (the mounting base 21) in a state where the fitting portion 2 is fitted to the mounting portion 27.
The leg 3 is formed so as to be releasable so as to protrude from the abutting portion 26) and abut against the wall surface and to vary the amount of protrusion from the bottom surface (the abutting portion 26).
Similarly, it is integrally formed of a hard resin or the like.

The fitting portion 2 has a rectangular box shape, and the width of the short side is substantially equal to or slightly larger than the width of the mounting portion 27 of the mounting base 21 and the height is the depth of the mounting portion 27. They are formed substantially equally and are press-fitted into the concave groove-shaped mounting portion 27. If the fitting portion 2 is press-fitted into the concave groove-shaped mounting portion 27 in this manner, the fitting portion 2 is inadvertently fitted to the mounting portion 27.
There is an advantage that it can be prevented from deviating from
The insertion hole 4 is formed in a substantially cross shape on the bottom surface of the fitting portion 2. That is, there are a long hole-shaped mounting hole 28 in which the longitudinal direction coincides with the longitudinal direction of the mounting portion 27 and a hole substantially orthogonal to the longitudinal direction of the mounting portion 27.
The shape of the insertion hole 4 is substantially a cross shape so as to overlap with the shape 8, and the insertion hole 4 is formed in a shape corresponding to the mounting hole 28 so that the construction work can be easily performed.

On the other hand, the leg 3 is formed in a step-like shape projecting rearward from the opening edge of the fitting portion 2.
Notches 5 and 5 are provided by cutting both sides facing each other along the longitudinal direction into a substantially rectangular shape.

The construction jig 1 configured as described above is used as follows when the piping duct 20 is arranged on a wall surface.

As shown in FIG. 4, when the pipe 10 is provided with a recess 11 on the surface (wall surface) of the wall 10 where the pipe duct 20 is disposed, and when the mounting hole 28 of the mounting base 21 overlaps the recess 11, As a result, the contact portion 26 of the mounting base 21 cannot be brought into contact with the wall surface. Therefore, when the mounting screw 25 inserted into the mounting hole 28 is excessively tightened, the mounting base 21 is deformed. Is loose, the mounting base 21 will rattle. Then, if the fitting portion 2 of the installation jig 1 is fitted and mounted on the mounting portion 27 of the mounting base 21 facing the concave portion 11, as shown in FIG. 26, the leg 3 of the construction jig 1 comes into contact with the wall surface at the bottom surface of the concave portion 11. Thus, the mounting screw 2 inserted through the mounting hole 28 of the mounting base 21
5 can be inserted into an insertion hole 4 provided in the fitting portion 2 of the construction jig 1 and screwed to a wall surface.
Is in contact with the bottom surface of the recess 11 on the wall, so that the mounting screw 2
Even if 5 is tightened, the mounting base 21 is not deformed and can be firmly fixed to the wall 10.

Here, since the leg 3 of the construction jig 1 is made of synthetic resin and is formed so as to be releasable, the amount of protrusion of the leg 3 from the mounting base 21 according to the depth of the recess 11 is determined. Can be adjusted. In addition, since the legs 3 are formed in a step-like manner, the legs 3 can be easily cut so that the protrusion amounts are substantially uniform. Further, there is an advantage that a tool such as a nipper or a cutter can be inserted from the cutout portion 5 provided in the leg portion 3 to easily cut off.

[0025]

According to the first aspect of the present invention, there is provided a pipe duct having a groove along a longitudinal direction on a bottom surface, and mounting holes for mounting screws for mounting on a wall surface are provided at predetermined intervals in the groove. A fitting portion having an insertion hole communicating with the mounting hole and fitting into the groove, and protruding from the bottom surface of the pipe duct and abutting on a wall surface with the fitting portion fitted in the groove. And a leg portion that is formed so as to be releasable so that the amount of protrusion from the bottom surface can be varied, so that even when a gap is formed between the bottom surface and the wall surface of the piping duct, the leg portion is adjusted according to the gap. By cutting, the leg projecting from the bottom surface of the piping duct can be brought into contact with the wall surface, and even if the mounting screw inserted into the insertion hole of the fitting part is tightened, the piping duct is not deformed, and as a result, Secure piping ducts on uneven walls One is an effect that it is easily attached.

According to the second aspect of the present invention, the fitting portion is press-fitted into the groove, so that the fitting portion is accidentally disengaged from the groove in addition to the effect of the first aspect. This has the effect that it can be prevented.

According to the third aspect of the present invention, since the insertion hole is formed in a shape corresponding to the mounting hole, in addition to the effect of the first or second aspect, there is an effect that the construction work can be more easily performed. .

According to the fourth aspect of the present invention, since the leg is provided with a step which serves as a guide for resection, the projection of the leg can be easily adjusted in addition to the effect of the first, second or third aspect of the present invention. There is an effect that can be.

According to a fifth aspect of the present invention, at least a portion of the leg portion is cut out, so that in addition to the effects of any one of the first to fourth aspects, a tool such as a nipper or a cutter is cut from the notched portion. There is an effect that it can be easily removed by inserting the.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing an embodiment of the present invention and a piping duct.

FIG. 2 is a perspective view showing a state of attachment to the above-mentioned piping duct.

FIG. 3 is a perspective view of the same.

FIG. 4 is a side sectional view showing a state where a piping duct is arranged on a wall surface using the above.

FIG. 5 is a perspective view showing a construction example of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Construction jig 2 Fitting part 3 Leg part 4 Insertion hole 5 Notch part 20 Pipe duct 27 Mounting part 28 Mounting hole

Claims (5)

[Claims] 1. A piping duct having a groove along a longitudinal direction on a bottom surface and through which a mounting screw for mounting on a wall surface is inserted is used for a piping duct provided at a predetermined interval in the groove. A fitting portion having an insertion hole communicating therewith and fitted in the groove, and a projecting amount protruding from the bottom surface of the piping duct and abutting against the wall surface in a state where the fitting portion is fitted in the groove and projecting from the bottom surface And a leg portion which is formed so as to be releasable so as to change the shape of the pipe duct. 2. The jig according to claim 1, wherein the fitting portion is press-fitted into the groove. 3. The piping duct installation jig according to claim 1, wherein said insertion hole is formed in a shape corresponding to said mounting hole. 4. The piping duct installation jig according to claim 1, wherein the leg is provided with a step which serves as a measure of resection. 5. The piping duct installation jig according to claim 1, wherein at least a part of the leg is cut out.