JPS5817865Y2 - Connection device for Kasagi and upper chord material - Google Patents

Description

[Detailed description of the invention] This proposal relates to a device for connecting the capboard and the top chord of a handrail, and is a proposal that facilitates the connection of the capboard and the top chord and makes it possible to connect the two without strict dimensional accuracy. It is.

To explain this using an example, A indicates a hollow support having an appropriate cross-sectional shape such as a rectangular shape.

This support, the upper chord member, and the cap, which will be described later, are made of extruded aluminum.

B indicates the upper chord member fixed to the pillar.

This upper chord member has hanging walls 2, 3 at both ends of the main body 1, and horizontal projecting walls 4, 5 extending outward from the hanging walls.
A long lumber of the same length as the Kasagi described later is used.

Numeral 6 is a mounting screw that fixes the main body 1 of the upper chord member to the upper end of the column, and fixing the upper chord member to the column can be easily done by providing a screw pocket on the inner wall surface of the column A to receive the screw 6. be able to.

Of course, any suitable means other than screws may be used to secure the upper chord member.

On the other hand, C indicates the cap that is attached to the upper chord member B.

This cap is a hollow member having an arc-shaped main body 7 and side walls 9 and 10 facing each other with an opening 8 in between.

Reference numerals 11 and 12 indicate projecting pieces arranged in parallel on the inner wall surface of the end portion of one side wall 9, and reference numeral 13 indicates an inclined surface provided on one of the projecting pieces 12.

Reference numeral 14 denotes a groove having a tapered cross section formed by the projecting pieces 11 and 12, and this groove has a size such that its substantially central portion can receive the horizontal projecting wall 4 of the upper chord member.

15 is a horizontal ridge provided on the inner wall surface of the end of the other side wall 10 so as to face the horizontal projecting wall 5 of the upper chord member, and 16 is an inclined surface adjacent to the ridge 15.

and 17 is a side edge of the horizontal projecting wall 5 that comes into contact with the inclined surface 16;
Reference numeral 18 indicates a tapping screw for connecting the horizontal projecting wall 5 and the horizontal projecting edge 15, and reference numeral 19 and 20 indicate through holes for screw insertion provided in both the horizontal projecting wall 5 and the horizontal projecting edge 15.

In order to attach the cap C to the upper chord B in such a structure, the grooves 14 provided on the side walls 9 of the cap C are initially fitted into the horizontal projecting walls 4 of the upper chord B, as shown in FIG.

Since the groove 14 has a tapered cross-section and a wide entrance, the above-mentioned fitting can be carried out with the side wall 10 side of the Kasagi raised.

However, from this state, instead of tightening it as indicated by the chain line in FIG. and the horizontal projecting wall 5, and in this case, when the side wall 10 is pressed downward, the side edge 17 of the horizontal projecting wall 5 in the upper chord material is in a dimension relationship such that it comes into contact with the slope 16 in the Kasagi C. However, if the other side wall 10 of the Kasagi is pressed downward as described above, the groove 14 provided on the one side wall 9 of the Kasagi will have a tapered cross section to allow the horizontal projecting wall 4 of the top chord to enter. The side wall 10 has an inclined surface 16 that forms the horizontal projecting wall 5.
The horizontal projecting edge 15 can be deviated from the state shown by the chain line in FIG.

Then, under such conditions, tighten the horizontal protrusion 1 with the tapping screw 18.
5 and the horizontal projecting wall 5, the side wall 10 is connected to the horizontal projecting wall 5 through the self-tapping screw, and the side wall 9 is connected to the horizontal projecting wall 5 through the self-tapping screw.
As a result of being pressed against the horizontal projecting wall 4 by the reaction force when the side wall 10 is deflected outward, the cap and the upper chord are tightly tied together.

In this embodiment, the tapping screws 18 are installed with the horizontal projecting wall 5 and the horizontal projecting edge 15 overlapping each other, but the through hole 20 provided in the horizontal projecting wall 5 is made into a long hole, and by tightening the tapping screw, the side wall 10 is biased. It may be placed in

The connection between the horizontal projecting wall 5 and the horizontal projecting edge 15 is not limited to tapping screws, but other mechanical connection means such as brine rivets may be used, and the bottom chord and capboard may have various cross-sectional shapes. I hope you understand that it can be done.

The present invention is as described above, and since it is only necessary to mechanically connect one side of the cap, the number of assembly steps can be reduced, and the cap and the upper chord can be tightly connected.

What is important is that it is possible to connect the cap and top chord together without strict dimensional accuracy, and this, combined with the ease of construction, makes it possible to provide this type of product at a low cost. It is something that demonstrates the.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention, and FIG. 1 is a vertical cross-sectional view showing the state in which the cap and the upper chord are connected, and FIG. 2 is a vertical cross-sectional view showing the state before connection. A... Prop, B... Top chord, C...
...Kasagi, 4,5...Top chord horizontal projecting wall, 9,
10... Kasagi side wall, 11.12... Protruding piece, 13... Inclined surface, 14... Groove,
15... Kasagi horizontal ridge, 16... Inclined surface, 18... Tapping screw.

Claims (1)

[Scope of utility model registration request] The upper chord member fixed to the upper end of the column has horizontal projecting walls on both sides, and the cap board attached to the upper chord member has a groove with a tapered cross section that fits into one horizontal projecting wall of the upper chord member at one side wall end. and the other side wall end is provided with a horizontal ridge opposite to the other horizontal ridge of the upper chord member and an inclined surface adjacent to the horizontal ridge,
A connecting device for a cap and the upper chord, which separately has a mechanical connection means between the horizontal protruding wall of the upper chord and the horizontal protruding edge of the cap.