JPH055791Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) This invention relates to a cable rack connecting fitting that is suitable for connecting the connecting ends of cable racks used when wiring various cables in train stations, buildings, factories, and other structures to a connecting fitting that connects the cable racks in a manner that allows the angle to be freely adjusted horizontally, and for expanding the adjustment angle of this connecting fitting.

(Prior Art) Cable racks of various shapes have been used to wire various cables inside and outside buildings. These cable racks are usually standardized in length, width, etc., and various connection angles and branching patterns at the ends of the cable rack are selected depending on the conditions at the installation site where they are used. . In particular, the connection angle of the cable rack ends can be adjusted in a very variable manner in the horizontal direction.

Therefore, in the past, the angle in the horizontal direction was adjusted using a cable rack connecting fitting Q as shown in FIG. In other words, this connection fitting Q
The cable rack P was provided with a hinge Q1 at the connecting portion thereof, and the angle to the left and right was adjusted using the hinge Q1.

(Problem to be Solved by the Invention) However, with such a conventional connecting fitting, there is a disadvantage that the adjustment angle of the connecting portion of the cable rack P is limited to a narrow range. That is,
A pair of main girders P1 extending in parallel to the cable rack P
When connected in a horizontally bent state, the opening angle of the inner main beam P1 and the outer main beam P1 is different, so for example, the adjustable angle for a cable rack P with a width of 800 mm is 5 degrees. It was limited to a certain extent. Therefore, if further angle adjustment is required, it is necessary to cut the inner master girder P1. Therefore, in the angle adjustment work using the conventional connecting fitting Q, the work of cutting the main girder P1 of the cable rack P is accompanied, and the work of arranging the cable rack P becomes troublesome.

Therefore, this invention was devised to solve the above-mentioned problem, and it is a cable rack that can adjust the connection angle of the cable rack P over a wide range without requiring cutting work of the main beam P1 of the cable rack P. The purpose is to provide connection fittings.

(Means for Solving the Problem) In order to solve the above-mentioned problem, this invention includes a connecting fitting Q that connects the ends of the main girders P1 to be connected of the cable rack P so as to be able to swing freely in the horizontal direction, and A strip-shaped metal fitting body 1 is formed by a connecting end 2 connected to the metal fitting Q side and a slide side piece 3 connected to the main spar P1 side, and connecting the connecting metal fitting Q and the end of the main spar P1. The connecting end 2 of the fitting main body 1 and the connecting fitting Q are arranged such that a fitting recess 2B formed in the longitudinal direction at the center of the connecting end 2 is connected to a fitting recess 2B formed in the longitudinal direction on the inner surface of the connecting fitting Q. At the same time as fitting into the convex portion QB, the fitting rib 2A of the connecting end 2 is connected to the reinforcing rib Q1 of the connecting fitting Q.
The slide side piece 3 of the metal fitting body 1 is fitted with a reinforcement plate that fits on the outside of the main spar P1 so that it can slide freely along the longitudinal direction of the main spar P1. Rib P2
In order to solve the problem, a plurality of adjustment holes 3A are formed along the longitudinal side surface so that the slide length adjustment position can be appropriately selected and screwed in place. Use as a means.

(Function) That is, according to the means of this invention, by connecting the fitting body 1 between the connecting fitting Q and the end of the main girder P1, the main girder P to which the cable rack P is to be connected is connected.
1 The inner main girder P1 and the outer main girder P1 of the cable rack P in a state where the distance between them is wide and the cable rack P is bent in the horizontal direction
It is used to adjust the degree of opening between the two.

The fitting body 1 and the main girder P1 are connected by selecting the adjustment hole 3A of the slide side piece 3 and screwing it in. By selecting from the plurality of adjustment holes 3A, the slide length can be adjusted to several levels. The length can be adjusted, and after screwing, there is no wobble in the longitudinal direction and the connection is secure.

(Example) Hereinafter, an example of this invention will be described in detail with reference to the drawings.

Reference numeral 1 shown in the figure is a metal fitting main body, and this metal fitting main body 1 includes a connecting metal fitting Q that connects the ends of the main girder P1 to be connected of the cable rack P so as to be able to swing freely in the horizontal direction, and this connecting metal fitting It is in the form of a band plate connected between the end of the main girder P1 connected to Q (see Fig. 1).

The end of the girder connected to the connecting fitting Q of the fitting main body 1 is a connecting end 2, and the end connected to the end of the main girder P1 is a sliding side piece 3.

The connecting end 2 is screwed so that its outer surface and the inner surface of the connecting fitting Q come into contact with each other. be. That is, the connecting end 2 has a fitting rib 2 that fits inside the reinforcing rib Q1 of the connecting fitting Q.
A and a fitting recess 2 that fits into the center of the connecting fitting Q
A bolt insertion hole 2C is formed in this fitting recess 2B (see FIG. 3).

The slide side piece 3 is slidably connected along the longitudinal direction of the end of the main spar P1, and the inner surface of this slide side piece 3 and the outer surface of the main spar P1 are brought into contact with each other and screwed together. In the illustrated example, the slide side piece 3
A plurality of adjustment holes 3A are drilled along the longitudinal side of the slide side piece 3, and the slide length of the slide side piece 3 can be adjusted by selecting one of these adjustment holes 3A and tightening it with a screw. (See Figure 1). Further, the slide side piece 3 is formed with a holding rib 3B that wraps around the reinforcing rib P2 of the main spar P1 in order to fit on the outside of the main spar P1. Furthermore, in the illustrated example, in order to increase the bonding force between the main girder P1 and the slide side piece 3, the main girder P
1 and the slide side piece 3 with a spacer 4 interposed therebetween.

In addition, the square root bolt 5 is used to screw the metal fitting body 1.
and a flange nut 6 are used to increase the tightening force when adjusting the angle.

(Effect of the invention) This invention has the structure as described above,
Achieve the original purpose.

That is, a connecting fitting Q connects the ends of the main girder P1 to be connected of the cable rack P so as to be able to swing in the horizontal direction, and a connecting end 2 connected to the connecting fitting Q side is connected to the main girder P1 side. By forming the strip-shaped fitting main body 1 composed of the sliding side piece 3 and connecting the connecting fitting Q and the end of the main spar P1, the distance between the main spar P1 to which the cable rack P is connected is increased. be able to.

Furthermore, the connecting end 2 of the fitting main body 1 and the connecting fitting Q are arranged such that a fitting recess 2B formed in the longitudinal direction at the center of the connecting end 2 is connected to a fitting recess 2B formed in the longitudinal direction on the inner surface of the connecting fitting Q. The fitting rib 2A of the connecting end 2 is fitted inside the reinforcing rib Q1 of the connecting fitting Q and screwed together, so the fitting body 1 and the connecting fitting Q are securely connected. It became something to be connected to.

Moreover, when connecting the cable rack P by bending it laterally, the connection can be made by connecting the metal fitting body 1 only to the outside of the bent cable rack P on the main girder P1 side, and the metal fitting body 1 and the connecting metal fitting Q There is no need to arrange these on both sides, leading to savings in members.

Further, the sliding side piece 3 of the metal fitting body 1 is provided with a reinforcing rib P2 of the main spar P1 so as to fit on the outside of the main spar P1 and to be able to slide freely along the longitudinal direction of the main spar P1.
By forming a holding rib 3B that holds the cable rack P, and by opening a plurality of adjustment holes 3A along the longitudinal side of the cable rack P so that the slide length adjustment position can be appropriately selected and screwed. The connection angle can be adjusted in stages over a wide range, by screwing the adjustment holes 3A drilled one by one.
A reliable connection state can be obtained without rattling in the longitudinal direction of the main girder P1.

For these reasons, the connection angle of the cable rack P can be adjusted over a wide range without the need to cut the main girder P1 of the cable rack P, which was done in the angle adjustment work using the conventional connection fitting Q. This makes it possible to perform the installation work of the cable rack P extremely efficiently.

In this way, according to this invention, the connection angle of the cable rack P can be adjusted over a wide range without the need for cutting the main beam P1 of the cable rack P, and moreover, it also leads to the saving of unnecessary connection members. It produces various effects that are useful in practice, such as.

[Brief explanation of drawings]

The drawings show an embodiment of this invention; Fig. 1 is an exploded perspective view, Fig. 2 is a plan sectional view showing an example of use,
FIG. 3 is a plan view, and FIG. 4 is a perspective view showing a conventional example. P...Cable rack, P1...Main girder, P2...
...Reinforcement rib, Q...Connection fitting, Q1...Reinforcement rib, Q2...Fitting convex portion, 1...Metal fitting body, 2...
Connection end, 2A...fitting rib, 2B...fitting recess, 2C...bolt insertion hole, 3...slide side piece, 3A...adjustment hole, 3B...embracing rib, 4...
Spacer, 5... Square root bolt, 6... Flange nut.

Claims (1)

[Scope of utility model registration request] It consists of a connecting fitting that connects the ends of the main girder to be connected of the cable rack so as to be able to swing freely in the horizontal direction, a connecting end that connects to this connecting fitting side, and a sliding side piece that connects to the main girder side. A band-like metal fitting body is formed that connects the connecting metal fitting and the end of the main girder, and the connecting end of the metal fitting body and the connecting metal fitting have a fitting recess formed in the longitudinal direction at the center of the connecting end. It fits into the fitting protrusion formed in the longitudinal direction on the inner surface of the connecting fitting, and the fitting rib at the connecting end fits inside the reinforcing rib of the connecting fitting and is screwed. The slide side piece is formed with a holding rib that fits on the outside of the main spar and wraps around the reinforcing rib of the main spar so that it can slide freely along the longitudinal direction of the main spar, and the slide length adjustment position can be adjusted as appropriate. A joint fitting for connecting a cable rack, characterized in that a plurality of adjustment holes are drilled along the longitudinal side so that screws can be selectively fastened.