JP3390946B2 - Cable rack cover and cover hinge - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable rack cover and a cover hinge suitable for covering a gap formed in a bent portion of a cable rack or various equipment ducts connected in a bent state.

[0002]

2. Description of the Related Art Conventionally, a cover called a flat cover 10 as shown in FIG. 4 has been used to cover a cable rack or various ducts. This flat cover 10
A thin steel plate is used, and locking side edges 11 for locking the side edges of a cable rack or various ducts are bent and formed on both side edges of the cover 10.

When the connecting portion of the cable rack or the duct is covered with the flat cover 10, as shown in FIG. 4, a gap is formed in the bent portion. Therefore, conventionally, in order to close this gap, a means for forming a flat cover 10 covering the bent portion and providing a cut in the locking side edge 11 at the bent position, and bending the flat cover 10 from this cut position has been proposed. Was adopted.

As another means, the flat cover 1
There is also considered a means of forming a strip plate that closes the gap between 0s and connecting the strip plate to the connection end of each flat cover 10 with a rivet or a bolt.

[0005]

However, with the means for bending the flat cover 10, when the wide flat cover 10 is bent, this working operation becomes extremely difficult, and there is a disadvantage that much labor and time are required. It was In addition, when the bent portion is not one and the bent angles of the respective portions are different, it is necessary to process according to each angle, and many problems remain in work efficiency.

On the other hand, in the means for forming strips for closing the gaps between the flat covers 10 and connecting the strips to the connecting ends of the flat covers 10 with rivets or bolts, the connecting work with these rivets or bolts is performed. It takes time and labor, and the manufacturing cost becomes high.

Therefore, the present invention was created to solve the above-mentioned problems, and it is possible to easily cover the stepped portions of the connected cable racks and various equipment ducts, and at a low cost. An object is to provide a cable rack cover and a cover hinge that can be provided.

[0008]

To achieve the above object, the first means of the present invention relates to a cable rack cover for covering a bent portion of a cable rack P connected in a bent state. . It is composed of a pair of cover bodies 1 that cover the upper openings of the connected cable racks P, and a hinge body 2 that is vertically swingably connected to the cover bodies 1 and covers a gap between the cover bodies 1. The hinge body 2 has a pair of fitting pieces 3 that are detachably fitted to the respective connecting ends of the cover body 1, and a connecting portion 4 that connects the fitting pieces 3 to each other so as to be vertically swingable. . This connecting portion 4 is provided with one fitting piece 3
And a rail projection 4A provided in the cover body 1 and extending in the width direction of the cover body 1, and a rail recess 4B provided in the other fitting piece 3 and fitted in the rail projection 4A and connected so as to be vertically swingable. made, the fitting piece 3 forms a pair of strip-shaped sandwiching the connecting end portion of the cover member 1 in the vertical, the fitting piece 3, the cover
-A pair of strips that sandwich the connecting end of the body 1 from above and below,
Crimping side edge 3A for crimping the plate surface of the cover body 1 to the one fitting piece 3
Is provided, and the plate surface of the cover body 1 is crimped to the other fitting piece 3
This is because a pressing side edge 3B that presses from the side opposite to 3A is provided .

The cover body 1 of the second means is formed to have a width wider than the width of the cable rack P, and bolt insertion holes 1A are opened at both width ends of the cover body 1 located outside the main beam P1 of the cable rack P. A hook bolt 5 that is drilled and locked on the lower surface of the main beam P1 of the cable rack P is inserted and locked in the bolt insertion hole 1A.

In a third means, one fitting piece 3 is provided with a crimping side edge 3A for crimping two points, that is, a front end portion of the plate surface of the cover body 1 and a rear side portion spaced from the front end portion. The other fitting piece 3 is provided with a pressing side edge 3B that presses between the pressure-bonding side edges 3A of the plate surface of the cover body 1 from the opposite side.

The fourth means relates to a cover hinge which is connected to a bent portion of the cover body 1 for covering the opening of the cable rack P or the equipment duct which is bent and connected in the vertical direction. A pair of fitting pieces 3 that are detachably fitted to the respective connecting ends of the cover body 1 and a connecting portion 4 that connects the fitting pieces 3 to each other in a vertically swingable manner are formed. The connecting portion 4 is provided on one of the fitting pieces 3 and is provided on the rail convex portion 4A extending in the width direction of the cover body 1 and on the other fitting piece 3, and is fitted to the rail convex portion 4A. And a rail recess 4B that is vertically swingably connected. The fitting pieces 3 are in the form of a pair of strip plates that sandwich the connecting end portion of the cover body 1 from above and below. One fitting piece 3 is provided with a crimping side edge 3A for crimping two points of a front end portion of the plate surface of the cover body 1 and a rear side portion spaced from the front end portion. The other fitting piece 3 is provided with a pressing side edge 3B for pressing between the pressure-bonding side edges 3A of the plate surface of the cover body 1 from the opposite side, which is a means for solving the problem.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings.

The cable rack cover of the present invention covers the bent step portion of the cable rack P connected in a bent state. That is, a pair of cover bodies 1 that cover the upper openings of the connected cable racks P, respectively.
A hinge body 2 is connected to the cover bodies 1 so as to be vertically swingable and covers a gap between the cover bodies 1 (see FIG. 1).

Each cover body 1 has a width wider than the width of the cable rack P. Then, the bolt insertion hole 1A is opened in accordance with the outside of the main beam P1 of the cable rack P, and the hook bolt 5 is inserted into this bolt insertion hole 1A. The hook bolt 5 is fixed to the lower surface of the main beam P1 of the cable rack P to fix the cover body 1 to the cable rack P (see FIG. 2). Further, the bolt insertion hole 1A is opened in a long hole shape, and the mounting position of the hook bolt 5 is adjustable.

The hinge body 2 is a member for covering a gap between the cover bodies 1 and is provided with a pair of fitting pieces 3 which are detachably fitted to the respective connecting ends of the cover body 1. Furthermore,
These fitting pieces 3 are connected to each other by a connecting portion 4.

The connecting portion 4 is provided on each fitting piece 3, and one fitting piece 3 is provided with a rail convex portion 4A extending in the width direction of the cover body 1. Further, the other fitting piece 3 is provided with a rail recess 4B which is fitted to the rail projection 4A and is connected so as to be vertically swingable. Then, by fitting the rail projections 4A and the rail recesses 4B, the fitting pieces 3 can be bent freely in the vertical direction. In the rail recess 4B of the illustrated example, the opening 4Ba into which the rail projection 4A is fitted is tilted at an angle of 45 degrees obliquely downward, but in addition to this, the opening 4Ba is formed at an angle of 45 degrees obliquely upward from horizontal. Alternatively, by setting the opening angle of the opening 4Ba to any value, it is possible to cope with so-called inside and outside bends.

The fitting pieces 3 are in the form of a pair of strip plates which sandwich the connecting end portion of the cover body 1 from above and below (see FIG. 3). Then, one fitting piece 3 is provided with a crimping side edge 3A for crimping two points of the tip portion of the plate surface of the cover body 1 and the rear side portion spaced from the tip portion. In addition, the other fitting piece 3 is provided with a pressing side edge 3B that presses between the pressure-bonding side edges 3A of the plate surface of the cover body 1 from the opposite side. Crimping side edge 3A in the illustrated example
Has two parallel crimping side edges 3A formed by bending the tip end portion and the base end portion of one fitting piece 3 in parallel.
A may be provided in a protrusion shape on the inner surface of the fitting piece 3. Also,
It is also possible to form a plurality of parallel crimping side edges 3A. Further, the illustrated pressing side edge 3B is also formed by bending the tip end portion of the fitting piece 3, but the pressing side edge 3B also has the inner surface of the fitting piece 3 similarly to the crimping side edge 3A. It may be provided in a protruding shape, and it is also possible to form a large number of pressing side edges 3B. Further, the hinge body 2 composed of the fitting piece 3 and the connecting portion 4 can be integrally molded as, for example, an aluminum extrusion mold material.

The hinge body 2 serves as a cover hinge that is connected to not only the cable rack P but also the bent portion of the cover body 1 that covers the opening of the equipment duct (see FIG. 3).
Alternatively, it can be used as upper and lower bend metal fittings for a metal duct. In this case, a pair of fitting pieces 3 that are detachably fitted to the respective connecting ends of the cover body 1, and the fitting pieces 3
It is used as a hinge composed of a connecting portion 4 which connects the two swingably up and down.

[0019]

The present invention achieves the original object by having the above-mentioned configuration.

That is, the cable rack cover of the present invention comprises a pair of cover bodies 1 for covering the upper openings of the adjacent cable racks P, and the cover bodies connected to the cover bodies 1 so as to be vertically swingable. Hinge body 2 covering the connecting step portion of 1
Since it is configured by, it is possible to cover the connecting step portion of the cable rack P without performing special processing.

The hinge body 2 includes a pair of fitting pieces 3 which are detachably fitted to the connecting ends of the cover body 1, respectively.
A connecting portion 4 for connecting the fitting pieces 3 to each other so as to be vertically swingable. The connecting portion 4 is provided on one fitting piece 3 and extends in the width direction of the cover body 1. By providing the portion 4A and the rail recess 4B that is provided on the other fitting piece 3 and that is fitted to the rail projection 4A and is vertically swingably connected,
Even if the connection angle of the cable rack P changes, it can be adapted very easily.

Further, the cover body 1 is formed to have a width wider than that of the cable rack P, and the parent girder P of the cable rack P is formed.
1 Bolt insertion holes 1A are opened at both ends of the width of the cover body 1 located on the outer side, and hook bolts 5 that are locked to the lower surface of the main beam P1 of the cable rack P are inserted and locked in the bolt insertion holes 1A. Therefore, it becomes possible to easily perform the work of mounting the cover body 1. As a result, there is no change in the work of mounting the cover body 1 to which the hinge body 2 is connected and the work efficiency does not drop even if there is a gap generated when the cable rack P is connected in a bent state.

On the other hand, in the hinge body 2, the fitting piece 3 is
Crimping which forms a pair of strip plates sandwiching the connecting end portion of the cover body 1 from above and below, and presses the plate surface of the cover body 1 to one fitting piece 3
The side edge 3A is provided, and the cover body 1 plate surface is attached to the other fitting piece 3.
Provide a pressing side edge 3B that presses from the side opposite to the crimping side edge 3A
Therefore, the fitting piece 3 is forcibly attached to the connecting end of the cover body 1.
It can be connected very easily just by fitting to. Moreover,
The one fitting piece 3 is provided with a crimping side edge 3A for crimping two points of a front end portion of the plate surface of the cover body 1 and a rear side portion spaced from the front end portion, and the other fitting piece 3 is provided with By providing the pressing side edge 3B for pressing between the pressure-bonding side edges 3A on the plate surface of the cover body 1 from the opposite side, it is only necessary to forcibly fit the fitting piece 3 to the connecting end portion of the cover body 1. , A strong joining force occurs. As a result, the connecting work is extremely easy as compared with the connecting work using a bolt or a rivet. Moreover, the hinge body 2 having such a shape can be integrally molded, and has an effect of significantly reducing the manufacturing cost.

According to the cover hinge of the present invention as set forth in claim 4, the cover rack 1 can be easily mounted on the bent portion of the cover body 1 which covers the opening of the cable rack P or the equipment duct which is bent and connected vertically. it can. Even if the connection angle of the cable rack P or the duct changes, it can be applied very easily, and a strong joining force can be obtained by forcibly fitting the fitting piece 3 to the connection end of the cover body 1. The present invention has an effect that it can be produced and integrally molded and the manufacturing cost can be remarkably reduced.

As described above, according to the present invention, it is possible to easily cover the stepped portions of the cable racks and the ducts for various equipments, and to provide various advantageous effects such as inexpensive provision. Is.

[Brief description of drawings]

FIG. 1 is a perspective view of a main part of a cover according to an embodiment of the present invention in a use state.

FIG. 2 is a side view of a main part of a cover according to an embodiment of the present invention in a use state.

FIG. 3 is a side view of an embodiment of the hinge of the present invention in use.

FIG. 4 is a perspective view of a main part showing a conventional cover usage state.

[Explanation of symbols]

P cable rack P1 parent girder 1 Cover body 1A Bolt insertion hole 2 hinge body 3 Fitting piece 3A Crimp side edge 3B Pressing side edge 4 Connecting part 4A Rail projection 4B rail recess 4Ba opening 5 hook bolt 10 Flat cover 11 Locking side edge

Continuation of front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) H02G 1/06 F16L 3/16 H02G 3/00 H02G 9/04

Claims (4)

(57) [Claims] 1. A cable rack cover for covering a bent portion of a cable rack connected in a bent state, a pair of cover bodies for covering upper opening portions of adjacent cable racks, and upper and lower parts of these cover bodies. A hinge body that is swingably connected to cover a gap between the cover bodies, and the hinge body includes a pair of fitting pieces that are detachably fitted to the respective connecting ends of the cover body, and each fitting piece. And a connecting portion that connects the pieces to each other so as to be vertically swingable. The connecting portion is provided on one fitting piece and extends along the width direction of the cover body, and the other fitting piece. And a rail concave portion that is fitted to the rail convex portion and is vertically swingably connected to the rail convex portion.
The piece is a pair of strip plates that sandwich the connecting end portion of the cover body from above and below.
Forming a crimp and crimping the cover body plate surface to one mating piece
A side edge is provided, and the cover body plate surface is crimped to the other fitting piece.
A cover for a cable rack, which is provided with a pressing side edge for pressing from the opposite side . 2. The cover body is formed to have a width wider than the width of the cable rack, and bolt insertion holes are opened at both width ends of the cover body located outside the main girder of the cable rack.
The cable rack cover according to claim 1, wherein a hook bolt for locking the lower surface of the main girder of the cable rack is provided so as to be inserted and locked in the bolt insertion hole. 3. In the hinge body, one fitting piece is provided with a crimping side edge for crimping two points of a tip portion of a cover body plate surface and a rear side portion spaced from the tip portion, and the other one. The cable rack cover according to claim 1, wherein the fitting piece is provided with a pressing side edge that presses between the pressure-bonding side edges of the cover body plate surface from the opposite side. 4. A hinge for a cover, which is connected to a cover body for covering an upper opening of a cable rack or a duct for equipment connected in a bent state to cover a gap in a bent portion, wherein the connecting end portions of the cover body are respectively connected. A pair of fitting pieces that are detachably fitted to each other, and a connecting portion that connects the fitting pieces to each other so as to be vertically swingable. The connecting portion is provided on one fitting piece and The rail convex portion extending in the width direction and the rail concave portion that is provided on the other fitting piece and that is fitted to the rail convex portion and that is vertically swingably connected are provided. A pair of band plates that sandwich the connecting end between the top and bottom, and one fitting piece that crimps two points, the tip of the cover body plate surface and the rear side spaced apart from this tip. A side edge is provided, and the other fitting piece is provided on the opposite side between the crimping side edges of the cover body plate surface. A cover hinge provided with a pressing side edge for pressing from.