JP3609055B2 - Rack cover fixing structure - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a rack cover fixing structure for fixing a rack cover to a rack.
[0002]
[Prior art]
For example, in order to wire / pipe long objects such as cables, pipes, refrigerant pipes, etc. inside buildings, rooftops, outdoors, etc., as shown in FIG. A rack 3 formed by connecting a plurality of child beams 2 at regular intervals is installed (the lower surfaces of both ends of the child beam 2 are on the upper surfaces of the folding edge plates 1a and 1a at the lower ends of the two parent beams 1 and 1). It is fixed by welding or the like), and a long object (not shown) such as a cable, a pipe, a refrigerant pipe or the like is wired / piped on the plurality of child beams 2 of the rack 3. The rack cover 4 is attached to the main girder 1 of the rack 3 so that dust does not enter the rack 3, and especially when the rack 3 is installed on the rooftop or outdoors, so as not to be affected by wind and rain. 1 is mounted on top.
[0003]
In order to attach the rack cover 4, conventionally, as shown in FIGS. 4 and 5, the rack cover 4 is attached to the rack cover 4 using a band-plate-shaped rack cover fixing bracket 10 having a locking portion 11 at the lower end. At the position directly below the mounting hole 4a, from the outside of the main beam 1 to the front end side of the bent edge plate 1a at the lower end of the main beam 1, the lower side of the locking claw 11b of the locking portion 11 of the metal fitting 10 from the lower side The bolt 20 inserted into the mounting hole 4a of the rack cover 4 from above is screwed into the screw hole 12a of the folded piece 12 at the upper end of the bracket 10 and fixed by tightening. Yes. Mounting holes 4 a are provided at both side edges of the rack cover 4 at regular intervals, and the rack cover 4 is fixed to the upper surface of the rack 3 by performing the same tightening for each mounting hole 4 a.
[0004]
[Problems to be solved by the invention]
However, in this method, when the mounting hole 4a of the rack cover 4 is located immediately above the child beam 2, the locking claw 11a of the locking portion 11 of the metal fitting 10 is folded at the lower end of the parent beam 1 as shown in FIG. There is an inconvenience that it is impossible to use the metal fitting 10 because the child beam 2 cannot get in the way of being engaged with the bent edge plate 1a.
[0005]
In addition, when the rack 3 is installed indoors, the rack 3 may be supported from below by a support material (not shown) supported by suspension bolts from the ceiling. In this case as well, the rack cover 4 is attached. Similarly, when the hole 4a is positioned directly above the support member, the locking claw 11a of the locking portion 11a of the metal fitting 10 cannot be locked to the front end of the bent edge plate 1a at the lower end of the main beam 1, so that the metal fitting 10 There was an inconvenience that cannot be used.
[0006]
When the rack 3 is installed on the roof or outdoors, as shown in FIG. 1, the rack 3 is often supported by a gantry 6 (see FIG. 1). In this case as well, the mounting holes 4a of the rack cover 4 are supported. , The metal fitting 10 could not be used.
[0007]
For this reason, when the position of the rack cover mounting hole 4a coincides with the position of the sub beam, the support material, or the frame, a new hole can be drilled at another position avoiding these obstacles at the construction site. It was opened and fastened using the metal fitting 10.
[0008]
However, it is very troublesome to drill a new hole at the construction site in this way, and due to the problem of appearance, the mounting hole 4a that is no longer used must be filled with caulking etc. It was.
[0009]
The present invention solves such a problem, and even when the mounting hole of the rack cover comes to the position of the child girder, the support material, or the gantry as described above, the rack cover can be fastened and fixed without any trouble using the metal fittings. The purpose is to provide a fixed structure.
[0010]
In order to achieve the above object, in the rack cover fixing structure according to claim 1 of the present invention,
A pair of parallel main girders each having a bent edge plate bent in a direction approaching the upper end and the lower end, and lower surfaces of both ends are in contact with the upper surface of the bent edge plate at the lower end of the pair of parent girders. In a state, a rack composed of a plurality of child girders connecting the pair of parent girders, a rack cover is put in contact with the upper surface of the bent edge plate at the upper end of the pair of parent girders, In the rack cover fixing structure for fixing the rack cover to the upper end side of the parent beam using the mounting holes of the rack cover provided so as to be positioned outside the bent edge plate ,
A locking portion having a horizontal plate portion protruding in the horizontal direction and a locking claw piece protruding upward from the front end of the horizontal plate portion for locking to the inner front end of the bent edge plate at the lower end of the parent girder And a vertical portion extending vertically upward from the horizontal plate portion, and a projecting portion projecting obliquely upward from the upper end of the vertical portion on the opposite side of the locking portion with respect to the vertical portion. Two rack cover fixings including a portion and a folded piece extending in the horizontal direction from the upper end of the overhanging portion toward the locking portion with respect to the vertical portion and having a bolt hole for fixing a bolt near the tip Metal fittings,
A cover fixing hole in which the tip of the bolt inserted from above into the mounting hole of the rack cover is inserted and fixed, and a plurality of bracket fixing holes provided in a straight line across the cover fixing hole Using the connecting plate,
The bolts inserted from above into the two metal fitting fixing holes on both sides of the connecting plate with the cover fixing holes interposed therebetween are respectively the bolt holes of the folded pieces of the two rack cover fixing metal fittings. Tighten and fix each rack cover fixing bracket to the connecting plate,
Each rack cover fixing bracket is positioned on the outer surface side of the main beam, and the horizontal portion of the locking portion at the lower end of each rack cover fixing bracket is applied to the lower surface of the bent edge plate at the lower end of the parent beam. The locking claw is locked to the inner end of the bent edge at the lower end of the main beam, and the bolt inserted from the upper side into the mounting hole of the rack cover is tightened with the cover fixing hole of the connecting plate. The connecting plate is fixed to the lower part of the rack cover, and the rack cover placed on the upper end of the parent beam is fixed to the parent beam.
In the rack cover fixing structure according to claim 2 of the present invention,
A pair of parallel main girders each having a bent edge plate bent in a direction approaching the upper end and the lower end, and lower surfaces of both ends are in contact with the upper surface of the bent edge plate at the lower end of the pair of parent girders. In a state, a rack composed of a plurality of child girders connecting the pair of parent girders, a rack cover is put in contact with the upper surface of the bent edge plate at the upper end of the pair of parent girders, In the rack cover fixing structure for fixing the rack cover to the upper end side of the parent beam using the mounting holes of the rack cover provided so as to be positioned outside the bent edge plate,
A locking portion having a horizontal plate portion protruding in the horizontal direction and a locking claw piece protruding upward from the front end of the horizontal plate portion for locking to the inner front end of the bent edge plate at the lower end of the parent girder And an overhanging portion protruding upward from the horizontal plate portion in an obliquely upward direction away from the locking claw, and a vertical portion extending upward from the upper end of the overhanging portion perpendicularly to the horizontal plate portion. Two rack covers each including a base plate portion and a folded piece extending in a horizontal direction from the upper end of the vertical portion toward the locking portion with respect to the vertical portion and having a bolt hole for fixing a bolt near the tip Fixing brackets,
A cover fixing hole in which the tip of the bolt inserted from above into the mounting hole of the rack cover is inserted and fixed, and a plurality of bracket fixing holes provided in a straight line across the cover fixing hole Using the connecting plate,
The bolts inserted from above into the two metal fitting fixing holes on both sides of the connecting plate with the cover fixing holes interposed therebetween are respectively the bolt holes of the folded pieces of the two rack cover fixing metal fittings. Tighten and fix each rack cover fixing bracket to the connecting plate,
Each rack cover fixing bracket is positioned on the outer surface side of the main beam, and the horizontal portion of the locking portion at the lower end of each rack cover fixing bracket is applied to the lower surface of the bent edge plate at the lower end of the parent beam. The locking claw is locked to the inner end of the bent edge at the lower end of the main beam, and the bolt inserted from the upper side into the mounting hole of the rack cover is tightened with the cover fixing hole of the connecting plate. the connecting plate fixed to the bottom of the rack cover is characterized in that the rack cover placed over the upper end of the parent digits to fixed to the parent digits.
[0011]
For this reason, the connecting plate is fixed in the mounting hole of the rack cover, and the rack cover fixing bracket is respectively fixed in the plurality of fixing holes of the connecting plate on both sides away from the mounting hole of the rack cover. By fixing the rack cover, the rack cover can be fixed to the parent girder without any trouble even when the mounting hole of the rack cover comes to the position of the child girder, the support member or the mount as described above.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 shows a rack cover fixing structure according to an embodiment of the present invention.
In the rack cover fixing structure of the present invention, as shown in FIG. 2, a connecting plate 30 and two rack cover fixing brackets 10 (the same as those shown in FIGS. 4 and 5) are used.
[0013]
The connection plate 30 sandwiches the cover fixing hole 31 (screw hole) 31 into which the tip of the bolt 20 inserted from above into the mounting hole 4a of the central rack cover is inserted and fixed, and the central cover fixing hole 31. A strip-like substrate 33 provided with at least two fitting fixing holes 32 on a straight line on the left and right is provided. An edge plate 34 may be provided at one end in the width direction of the substrate 33 in the right-angle direction for increasing the strength and for preventing the rack cover fixing bracket 10 from rotating together during tightening.
[0014]
The rack cover fixing bracket 10 is the same as that shown in FIGS. 4 and 5, is made of a metal strip, and is bent at the lower end of the main girder 1 and a horizontal plate portion 11 a that protrudes laterally in the horizontal direction. A locking part 11 having a locking claw piece 11b protruding upward from the front end of the horizontal plate part 11a in order to lock to the inner front end of the edge plate 1a, and a vertical direction upward from the horizontal plate part 11a. A vertical portion 13c extending to the base portion 13 (see FIG. 2), and a base plate portion 13 having a protruding portion 13a protruding from the upper end of the vertical portion 13c in a diagonally upward direction on the opposite side to the locking portion 11 with respect to the vertical portion. And a folded piece 12 having a bolt hole (screw hole) 12a extending in the horizontal direction from the upper end of the overhanging portion 13a toward the locking portion 11 and for screwing the bolt 20 in the vicinity of the tip.
[0015]
A notch 13b is provided at the upper part of the substrate part 13 so as not to obstruct the bolt 20.
[0016]
The rack cover 4 is fixed to the upper surface of the rack 3 as follows.
Width direction of Tsukeana 4a preparative provided at regular intervals on both sides of the rack cover 4, 4a, ... is, the rack 3 Koketa 2, or the complement of support material, or the rack cover fixing bracket 10 at the platform 6 If it is not a position where use is hindered by the (mounting hole at the top right of FIG. 1) is Tsukeana 4a preparative rack cover 4 by means of exactly the same manner as the rack cover fixing bracket 10 as shown in FIGS. 4 and 5 The bolt 20 inserted through is tightened and fixed.
[0017]
The preparative Tsukeana 4a is Koketa 2 and support member (not shown) when the use of the rack cover fixing bracket 10 comes at a position that is disturbed in or the platform 6, the hole for the cover fixing of the connecting plate 30 The holes 20 that are not obstructed by the child beam 2 or the gantry 6 are selected one by one from the plurality of metal fixing holes 32 on both sides of the rack 31, and the bolts 20 that are inserted from above are used as the rack cover fixing metal Then, the rack cover fixing brackets 10 and 10 are fixed to the board 33 of the connecting plate 30 one by one on the left and right sides.
[0018]
The two rack cover fixing brackets 10 and 10 fixed to the connecting plate 30 are positioned on the outer surface side of the main beam 1 as shown in FIG. the horizontal plate portion 11a of the stopper portion 11, and therefore those in the lower surface of the lower end of the flared flange 1a of the parent digit 1, placed onto the locking claw 11b of the tip inside the distal end side of the flared flange 1a The bolt 20 inserted into the mounting hole 4a of the rack cover 4 from above via the washer 22 is screwed into the cover fixing hole (screw hole) 31 at the center of the connecting plate 30 and further screwed. Thus, the main beam 1 and the rack cover 4 are fastened from above and below between the horizontal plate portion 11a at the lower end of the metal fitting 10 and the head portion 20a of the bolt 20. In this manner, the connecting plate 30 is fixed below the rack cover 4, and the rack cover 4 placed on the upper end of the parent beam 1 is fixed to the parent beam 1.
[0019]
Note that the rack cover fixing bracket 10 may be provided with a protruding portion 13a at the lower portion of the substrate portion 13 as shown in FIG.
That is, in the embodiment shown in FIG. 3, the substrate 13 extends upward from the horizontal plate portion 11a obliquely upward away from the locking claw 11b, and from the upper end of the overhang portion 13a to the horizontal plate portion 11a. And a vertical portion 13c extending vertically upward.
[0020]
The cover fixing hole 31 of the connecting plate 30 may not be a screw hole, but simply a hole through which the bolt 20 is inserted, and the bolt 20 may be fixed with a nut from below. The same applies to the bolt holes 12 a of the rack cover fixing bracket 10.
[0021]
【The invention's effect】
As described above, in the rack cover fixing structure according to claim 1 of the present invention,
A pair of parallel main girders each having a bent edge plate bent in a direction approaching the upper end and the lower end, and lower surfaces of both ends are in contact with the upper surface of the bent edge plate at the lower end of the pair of parent girders. In a state, a rack composed of a plurality of child girders connecting the pair of parent girders, a rack cover is put in contact with the upper surface of the bent edge plate at the upper end of the pair of parent girders, In the rack cover fixing structure for fixing the rack cover to the upper end side of the parent beam using the mounting holes of the rack cover provided so as to be positioned outside the bent edge plate ,
A locking portion having a horizontal plate portion protruding in the horizontal direction and a locking claw piece protruding upward from the front end of the horizontal plate portion for locking to the inner front end of the bent edge plate at the lower end of the parent girder And a vertical portion extending vertically upward from the horizontal plate portion, and a projecting portion projecting obliquely upward from the upper end of the vertical portion on the opposite side of the locking portion with respect to the vertical portion. Two rack cover fixings including a portion and a folded piece extending in the horizontal direction from the upper end of the overhanging portion toward the locking portion with respect to the vertical portion and having a bolt hole for fixing a bolt near the tip Metal fittings,
A cover fixing hole in which the tip of the bolt inserted from above into the mounting hole of the rack cover is inserted and fixed, and a plurality of bracket fixing holes provided in a straight line across the cover fixing hole Using the connecting plate,
The bolts inserted from above into the two metal fitting fixing holes on both sides of the connecting plate with the cover fixing holes interposed therebetween are respectively the bolt holes of the folded pieces of the two rack cover fixing metal fittings. Tighten and fix each rack cover fixing bracket to the connecting plate,
Each rack cover fixing bracket is positioned on the outer surface side of the main beam, and the horizontal portion of the locking portion at the lower end of each rack cover fixing bracket is applied to the lower surface of the bent edge plate at the lower end of the parent beam. The locking claw is locked to the inner end of the bent edge at the lower end of the main beam, and the bolt inserted from the upper side into the mounting hole of the rack cover is tightened with the cover fixing hole of the connecting plate. The connecting plate is fixed to the lower portion of the rack cover, and the rack cover placed on the upper end of the parent beam is fixed to the parent beam.
In the rack cover fixing structure according to claim 2 of the present invention,
A pair of parallel main girders each having a bent edge plate bent in a direction approaching the upper end and the lower end, and lower surfaces of both ends are in contact with the upper surface of the bent edge plate at the lower end of the pair of parent girders. In a state, a rack composed of a plurality of child girders connecting the pair of parent girders, a rack cover is put in contact with the upper surface of the bent edge plate at the upper end of the pair of parent girders, In the rack cover fixing structure for fixing the rack cover to the upper end side of the parent beam using the mounting holes of the rack cover provided so as to be positioned outside the bent edge plate,
A locking portion having a horizontal plate portion protruding in the horizontal direction and a locking claw piece protruding upward from the front end of the horizontal plate portion for locking to the inner front end of the bent edge plate at the lower end of the parent girder And an overhanging portion protruding upward from the horizontal plate portion in an obliquely upward direction away from the locking claw, and a vertical portion extending upward from the upper end of the overhanging portion perpendicularly to the horizontal plate portion. Two rack covers each including a base plate portion and a folded piece extending in a horizontal direction from the upper end of the vertical portion toward the locking portion with respect to the vertical portion and having a bolt hole for fixing a bolt near the tip Fixing brackets,
A cover fixing hole in which the tip of the bolt inserted from above into the mounting hole of the rack cover is inserted and fixed, and a plurality of bracket fixing holes provided in a straight line across the cover fixing hole Using the connecting plate,
The bolts inserted from above into the two metal fitting fixing holes on both sides of the connecting plate with the cover fixing holes interposed therebetween are respectively the bolt holes of the folded pieces of the two rack cover fixing metal fittings. Tighten and fix each rack cover fixing bracket to the connecting plate,
Each rack cover fixing bracket is positioned on the outer surface side of the main beam, and the horizontal portion of the locking portion at the lower end of each rack cover fixing bracket is applied to the lower surface of the bent edge plate at the lower end of the parent beam. The locking claw is locked to the inner end of the bent edge at the lower end of the main beam, and the bolt inserted from the upper side into the mounting hole of the rack cover is tightened with the cover fixing hole of the connecting plate. the connecting plate fixed to the bottom of Rakkukaba over, so that to secure the rack cover placed over the upper end of the parent digits to the parent digits.
[0022]
For this reason, the connecting plate is fixed in the mounting holes of the rack cover, and the rack cover fixing brackets are fixed in the plurality of fixing holes of the connecting plates on both sides away from the mounting holes of the rack cover. Thus, even when the mounting hole of the rack cover comes to the position of the child beam, the support material, or the gantry as described above, the rack cover can be fixed to the parent beam without any trouble.
[Brief description of the drawings]
FIG. 1 is a perspective view illustrating a rack cover fixing structure according to an embodiment of the present invention. FIG. 2 is a perspective view illustrating a connecting plate and a rack cover fixing bracket according to the embodiment. FIG. 4 is a perspective view showing a conventional rack cover fixing structure. FIG. 5 is a cross-sectional view showing a conventional rack cover fixing structure.
1 Parent Girder 2 Child Girder 3 Rack 4 Rack Cover 4a Mounting Hole 6 Base 10 Rack Cover Fixing Bracket 30 Connecting Plate

Claims (2)

A pair of parallel main girders each having a bent edge plate bent in a direction approaching the upper end and the lower end, and lower surfaces of both ends are in contact with the upper surface of the bent edge plate at the lower end of the pair of parent girders. In a state, a rack composed of a plurality of child girders connecting the pair of parent girders, a rack cover is put in contact with the upper surface of the bent edge plate at the upper end of the pair of parent girders, In the rack cover fixing structure for fixing the rack cover to the upper end side of the parent beam using the mounting holes of the rack cover provided so as to be positioned outside the bent edge plate ,
A locking portion having a horizontal plate portion protruding in the horizontal direction and a locking claw piece protruding upward from the front end of the horizontal plate portion for locking to the inner front end of the bent edge plate at the lower end of the parent girder And a vertical portion extending vertically upward from the horizontal plate portion, and a projecting portion projecting obliquely upward from the upper end of the vertical portion on the opposite side of the locking portion with respect to the vertical portion. Two rack cover fixings including a portion and a folded piece extending in the horizontal direction from the upper end of the overhanging portion toward the locking portion with respect to the vertical portion and having a bolt hole for fixing a bolt near the tip Metal fittings,
A cover fixing hole in which the tip of the bolt inserted from above into the mounting hole of the rack cover is inserted and fixed, and a plurality of bracket fixing holes provided in a straight line across the cover fixing hole Using the connecting plate,
The bolts inserted from above into the two metal fitting fixing holes on both sides of the connecting plate with the cover fixing holes interposed therebetween are respectively the bolt holes of the folded pieces of the two rack cover fixing metal fittings. Tighten and fix each rack cover fixing bracket to the connecting plate,
Each rack cover fixing bracket is positioned on the outer surface side of the main beam, and the horizontal portion of the locking portion at the lower end of each rack cover fixing bracket is applied to the lower surface of the bent edge plate at the lower end of the parent beam. The locking claw is locked to the inner end of the bent edge at the lower end of the main beam, and the bolt inserted from the upper side into the mounting hole of the rack cover is tightened with the cover fixing hole of the connecting plate. A rack cover fixing structure, wherein the connecting plate is fixed to a lower portion of the rack cover, and the rack cover placed on the upper end of the parent beam is fixed to the parent beam. A pair of parallel main girders each having a bent edge plate bent in a direction approaching the upper end and the lower end, and lower surfaces of both ends are in contact with the upper surface of the bent edge plate at the lower end of the pair of parent girders. In a state, a rack composed of a plurality of child girders connecting the pair of parent girders, a rack cover is put in contact with the upper surface of the bent edge plate at the upper end of the pair of parent girders, In the rack cover fixing structure for fixing the rack cover to the upper end side of the parent beam using the mounting holes of the rack cover provided so as to be positioned outside the bent edge plate,
A locking portion having a horizontal plate portion protruding in the horizontal direction and a locking claw piece protruding upward from the front end of the horizontal plate portion for locking to the inner front end of the bent edge plate at the lower end of the parent girder And an overhanging portion protruding upward from the horizontal plate portion in an obliquely upward direction away from the locking claw, and a vertical portion extending upward from the upper end of the overhanging portion perpendicularly to the horizontal plate portion. Two rack covers each including a base plate portion and a folded piece extending in a horizontal direction from the upper end of the vertical portion toward the locking portion with respect to the vertical portion and having a bolt hole for fixing a bolt near the tip Fixing brackets,
A cover fixing hole in which the tip of the bolt inserted from above into the mounting hole of the rack cover is inserted and fixed, and a plurality of bracket fixing holes provided in a straight line across the cover fixing hole Using the connecting plate,
Bolts inserted from above into the two metal fitting fixing holes on both sides of the connecting plate across the cover fixing holes are respectively connected to the bolt holes of the folded pieces of the two rack cover fixing metal fittings. Tighten and fix each rack cover fixing bracket to the connecting plate,
Each rack cover fixing bracket is positioned on the outer surface side of the main beam, and the horizontal portion of the locking portion at the lower end of each rack cover fixing bracket is applied to the lower surface of the bent edge plate at the lower end of the parent beam. The locking claw is locked to the inner end of the bent edge at the lower end of the main beam, and the bolt inserted from the upper side into the mounting hole of the rack cover is tightened with the cover fixing hole of the connecting plate. The connecting plate is fixed to the lower part of the rack cover, and the rack cover placed on the upper end of the parent beam is fixed to the parent beam. A rack cover fixing structure characterized by being fixed.

Images