JPH0842754A - Mounting tool - Google Patents

Abstract

PURPOSE:To provide a mounting tool used for mounting a rack cover, for example, on a rack in which it is never shaken or dropped out by deformation, the work is facilitated, and one kind of dimension suffices for it. CONSTITUTION:A locking piece 12 protruded sideways is provided on one end side of a band plate part 11, a protruding piece 13 protruded in the direction opposite to the locking piece 12 is provided on the other end side of the band plate part 11, and a hole for inserting a bolt is provided on the protruding piece 13. The lower end of the master beam 1 of a rack, for example, is engagingly locked by the locking piece 12, and a fixing bolt 20 inserted to the mounting hole 41 of a rack cover 4 put on the upper surface of the rack 12 is inserted and fixed to the hole of the protruding piece 13.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixture used for attaching a rack cover to a rack for wiring and piping, for example.

[0002]

2. Description of the Related Art For example, in order to wire or pipe a long object such as a cable, a pipe or a refrigerant pipe inside a building or on a roof or outdoors, as shown in FIGS. A rack 3 formed by connecting parallel parent girders 1 and 1 with a plurality of child girders 2 is installed, and long objects such as cables, pipes, and refrigerant pipes (not shown) are mounted on the plurality of child girders 2 of the rack 3. Wiring / piping has been performed conventionally. And
Particularly when the rack 3 is installed on the roof or outdoors, the rack cover 4 is mounted on the main girders 1 and 1 of the rack 3 so as not to be affected by wind and rain.

In order to mount the rack cover 4, however, conventionally, as shown in FIGS. 12 and 13, a rod-shaped metal fitting 5 having an engaging portion 5a which is bent twice at a right angle to the lower end is used. The lower end 1a of the parent girder 1 is locked from below by the locking portion 5a from the outside of the girder 1, and the mounting hole 4 of the rack cover 4 is attached.
The upper end of the metal fitting 5 is inserted into a, the nut 6 is tightened and fixed from the upper side of the rack cover 4 to the threaded surface 5b of the upper end of the metal fitting 5, and the rust preventive cap 7 is covered thereon.

[0004]

However, in such a conventional mounting method, (a) if the nut 6 is tightened too much, the locking portion 5a of the metal fitting 5 opens downward as shown by the dotted line in FIG. As a result, the metal fitting 5 may rattle or come off. Also, when installed on the roof,
If the rack cover 4 is strongly pushed upward due to a typhoon,
Similarly, the locking portion 5a of the metal fitting 5 is bent, and similarly, there is a problem that rattling or loosening occurs.

(B) The locking portion 5a at the lower end of the metal fitting 5 is attached to the main girder 1
The lower end 1a of the rack cover 4, the metal fitting 5 is brought into close contact with the outside of the main girder 1, and the upper end thereof is attached to the small mounting hole 4a of the rack cover 4.
Since it has to be inserted through, the work is very difficult to perform, and if the mounting hole 4a of the rack cover 4 has poor positional accuracy, there is a problem that it is difficult to insert the upper end of the metal fitting 5.

(C) If the size of the main girder 1 is different, there is also a problem that a plurality of types of fixing fittings having different sizes must be prepared in accordance with the size.

The present invention solves such a problem, and provides a mounting tool which does not deform and rattle or comes off, is easy to work, and requires only one size. Is intended.

[0008]

To achieve the above object, in the fixture of the present invention, a locking piece protruding laterally is provided on one end side of the strip plate portion, and the other end side of the strip plate portion is provided. In addition, a protruding piece protruding in a direction opposite to the locking piece is provided, and a hole for inserting a bolt is provided in the protruding piece of the strip plate portion.

[0009]

Thus, according to the mounting tool of the present invention, for example, the lower end of the main girder of the rack is locked by the locking piece, and the fixing bolt is inserted into the mounting hole of the rack cover that covers the upper surface of the rack. Is inserted through the hole of the protruding piece at the upper end of the strip plate and fixed.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 to 6 show a fixture according to a first embodiment of the present invention. The fixture 10 is in the form of a strip plate, and includes a strip plate portion 11, a locking piece 12 that is bent from the lower end of the strip plate portion 11 at a right angle twice in a U-shape, and a right angle from the upper end of the strip plate portion 11. It comprises a locking piece 12 and a projecting piece 13 that is bent on the opposite side.

As shown in FIGS. 4 and 5, the height of the band plate portion 11 is set smaller than the height of the parent girder 1 of the rack 3, and the horizontal length of the horizontal portion 12a of the locking piece 12 is the parent. It is set to be slightly larger than the horizontal length of the lower end portion 1a of the girder 1.

A substantially circular hole (first hole) 14a is provided from the upper end of the strip 11 to the base of the protruding piece 13,
The protruding piece 13 has a square hole (second hole) 14b having a side length smaller than the diameter of the circular hole 14a.
It is provided in line with a.

As shown in FIG. 2, a part of the hemispherical head portion 20a of the square root bolt 20 (shown in FIG. 1) can enter the semicircular hole 14a at the upper end of the strip plate portion 11. The diameter of the hole 14a at the upper end of the strip plate portion 11 has a circular head portion 20a of the square root bolt 20 so that the plate portion 11 cannot enter inside.
It is set to be slightly smaller than the diameter of. Further, the square root portion 20 b of the square root bolt 20 has a rectangular hole 1 in the protruding piece 13.
The length of one side of the quadrangular hole 14b is slightly larger than that of the square pillar-shaped square root portion 20b of the square root bolt 20 so that the square hole 14b can be fitted into the 4b with play and cannot rotate more than a predetermined angle. Is set to.

To mount the rack cover 4, as shown in FIG. 4, the locking piece 12 at the lower end of the fixture 10 is locked from below the lower end 1a of the main girder 1, and the upper end of the fixture 10 is locked. The tip portion 20c of the square root bolt 20 inserted into the continuous first and second holes 14a and 14b is inserted into the mounting hole 4a of the rack cover 4 from below, and the nut 2 is inserted from above as shown in FIG.
Tighten 1. Since the square root portion 20b of the square root bolt 20 cannot rotate in the rectangular hole 14b of the projecting piece 13, the nut 2 does not have to be fixed to the lower end of the square root bolt 20 with a spanner or the like.
1 can be tightened. Further, the tip 20c is covered with a cap 22 for preventing rust. In this manner, the rack cover 4 is fixed to the rack 3 on both sides as shown in FIG.

As described above, since the mounting tool 10 is formed of the strip plate, the locking piece 12 is not deformed even when the nut 21 is strongly tightened, so that the mounting tool 10 rattles.
It will not come off.

Further, since the square root bolt 20 is fitted in the first and second holes 14a, 14b of the mounting tool 10 with play, as shown in FIG. With the locking piece 12 of the fixture 10 locked to the lower end portion 1a of the main girder 1 with the tilted portion 20, the square root bolt 20
Can be inserted into the hole 4a of the rack cover 4, and if the nut 21 is tightened as it is, the fixture 10 and the square root bolt 20 become straight as they are tightened. The mounting work is much easier than the mounting work by inserting it into the hole in parallel with 1.

Further, as shown in FIG. 2, within a range in which the square columnar head portion 20a of the square root bolt 20 can be fitted into the first hole 14a side of the upper end of the strip plate portion 11 of the fixture 10, Since the square root portion 20b can move in the rectangular hole 14b of the protruding piece 13 in the direction perpendicular to the strip plate portion 11, it can be applied even if the position of the mounting hole 4a of the rack cover 4 varies.

When the height of the main girder 1 of the rack 3 is different, the square root bolt 20 may be cut to an appropriate length according to the height, and therefore the mounting tool 10 is of one type. Only the size of is necessary, and it is not necessary to create a plurality of sizes in accordance with the size of the main girder 1.

FIG. 7 shows a second embodiment of the present invention. In the embodiment of FIG. 7, a bent portion 13a bent downward is provided at the horizontal end of the protruding piece 13 of the fixture 10, and as shown in FIG. 8, the strip plate portion 11 and this bent portion 1 are provided.
The space between the hexagon head 30a and the hexagon head 30a
Is set to a non-rotatable interval over a predetermined angle. A hole 15 for inserting a bolt is provided at the center of the protruding piece 13.

Therefore, as shown in FIG. 8, after inserting the hexagon bolt 30 from the lower side of the projecting piece 13 of the fixture 10 and further into the attachment hole 4a of the rack cover 4, the nut 21 is inserted from the upper side of the hexagon bolt 30. When the screw is tightened, the hexagonal head 30a of the hexagon bolt 30 cannot rotate, so that the nut 21 can be tightened as it is.

FIG. 9 shows a third embodiment of the present invention. In the embodiment of FIG. 9, the interval between the bent portion 13a and the strip plate portion 11 is the same as that of the embodiment of FIG. 7, but the strip plate portion is provided so that the hexagon bolt 30 can be inserted from the side of the strip plate portion 11. An inverted T-shaped hole 16 is provided at the upper end of 11, and the protruding piece 13 is provided with a U-shaped hole 16b continuous with this hole 16.

Since the head portion 30a of the hexagon bolt 30 can be inserted only through the lower portion 16a 'of the inverted T-shaped hole 16a, the hexagon bolt 30 can be inserted into the hole 16a from the side, and the mounting work can be performed. It will be easier.

FIG. 10 shows a fourth embodiment of the present invention,
The protruding piece 13 is provided with a hole 17 having a screw surface. Therefore, the bolt 30 inserted from the upper side into the mounting hole 4 a of the rack cover 4 is attached to the hole 17 of the protruding piece 13 of the mounting fixture 10.
Can be screwed on. Mounting hole 4a is bolt 3
Since it is covered with the head portion 30a of No. 0, the nut 21 and the cap 22 which are necessary in the case of the first to third embodiments are unnecessary, and the mounting work is further facilitated.

It should be noted that the holes 17 are not screw holes as shown in FIG. 10, but are merely insertion holes, and the square nut 3 is provided as shown in FIG.
1, the square nut 31 screwed into the bolt 30
Cannot be rotated by hitting the strip plate portion 11 even if the bolt 30 is rotated, so that the bolt 30 can be attached by rotating it from the upper side of the rack cover 4.

In the above-mentioned embodiments, the case where the attachment of the present invention is attached to the rack cover has been described. However, the present invention is not limited to this, and it is also applicable to attach any other object to any other place. Of course you can.

[0026]

As described above, the fixture 1 of the present invention
Since 0 is composed of a strip plate, the locking piece 12 is prevented from being deformed at the time of attachment or due to a typhoon, so that rattling or disengagement does not occur.

Further, in the mounting tool 10 of the present invention, only the lower end of the rack or the like is locked by the locking piece 12, and the rack cover 4 is mounted in the mounting hole 4a of the rack cover 4 by a separate bolt. Therefore, the installation work becomes much easier.

Further, for example, when the height of the parent girder 1 of the rack 3 is different, it is sufficient to adjust the length of the bolts, so that the mounting tool 10 may have only one size, and the size of the parent girder 1 may be adjusted. You don't have to create multiple sizes in total.

[Brief description of drawings]

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

2 is a plan view of the fixture of FIG. 1. FIG.

FIG. 3 is a front view in which a part of the plan view of the fixture of FIG. 1 is omitted.

4 is a cross-sectional view showing how to use the fixture of FIG.

5 is a cross-sectional view showing how to use the fixture of FIG.

FIG. 6 is a perspective view showing a state in which a rack cover is attached to the rack.

FIG. 7 is a perspective view showing a second embodiment of the present invention.

FIG. 8 is a cross-sectional view showing a mounting state of the mounting fixture of FIG.

FIG. 9 is a perspective view showing a third embodiment of the present invention.

FIG. 10 is a sectional view showing a mounting state of a fourth embodiment of the present invention.

FIG. 11 is a perspective view showing a main part of a fifth embodiment of the present invention.

FIG. 12 is a perspective view showing a state in which a rack cover is attached to a conventional rack.

FIG. 13 is a sectional view showing a state in which a rack cover is attached to a conventional rack.

[Explanation of symbols]

 1 parent girder 2 child girder 3 rack 4 rack cover 10 rack cover mounting tool 12 locking piece 13 protruding piece 13a bent portion 14a first hole 14b second hole 15 hole 16a hole 16b hole 17 hole 20 square root bolt 20a head Part 20b Square root part 30 Hexagon bolt 31 Square nut

Claims (1)

[Claims] Claims: 1. A locking piece protruding laterally is provided on one end side of the strip plate portion, a projecting piece projecting in the opposite direction to the locking piece is provided on the other end side of the strip plate portion, and a bolt is provided. An attachment provided with a hole for inserting a hole in the protruding piece of the strip plate portion.