JP2514761Y2 - Fixing device for pipe handrail - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Industrial Field of the Invention The present invention relates to a fixing device for a pipe handrail such as a floor arranged in a space in a building.

2. Description of the Related Art As described above, in the case where a pipe is used for a handrail such as a floor as described above, the design of the handrail can be made uniform by making the handrail installation, that is, the attachment part at the lower end of the handrail into a pipe shape. In addition, the appearance can be refreshed. In this case, conventionally, a pipe-shaped mounting member is welded to the lower end of the handrail, and the end portion of the mounting member is bolted using a bolt protruding from the end portion of the mounting member. It is inserted into the beam on the floor and fixed from the back side with nuts and tightened.

However, in the mounting structure as described above,
The tips of the bolts and nuts are projected and exposed on the back side of the beam. For example, when the back side of this beam can be seen from below, the tips of the nuts and bolts can also be seen, impairing the appearance. There is a drawback that. The present invention is intended to solve the drawbacks of the conventional pipe handrail mounting structure.

Means for Solving the Problems In order to solve the above-mentioned problems, in the present invention, a pin-shaped projection is projected on the side surface of the beam, and a hole of a mounting plate provided in a mounting pipe at the lower end of the handrail is provided in this projection. It is characterized in that the fitting pipe and the side surface of the beam are welded to each other while being fitted and positioned.

Function In the configuration of the present invention described above, the pin-shaped projection protruding on the side surface of the beam is externally fitted with the hole of the mounting plate fixed to the mounting pipe on the lower end of the handrail and positioned, and in this state, the end of the pipe is fixed. Since the parts are welded and fixed, unlike the case where the bolt is used as described above, the tip of the bolt and the nut do not project and are exposed to the back side.

Embodiments FIGS. 4 and 5 show the external appearance of the handrail according to the present invention. In FIG. 1, reference numeral 1 indicates a U-shape when viewed from the top and viewed from the front as shown in FIG. It is an inverted U-shaped handrail frame, and the lower end of the handrail frame 1 is fixed to the upper surface of a beam 2 made of H-shaped steel. Further, a pair of V-shaped handrails 3 made of two pipes are arranged as a pair across the horizontal portion of the handrail frame 1 and the beam 2, and are continuously arranged in the lateral direction. And is installed. An arched pipe frame 4 is provided in a space below the horizontal portion of the handrail frame 1.

1 to 3 show a mounting structure of the lower end of the handrail 3. The two handrails 3, 3 made of stainless steel pipe are V-shaped with respect to each other, and their lower ends are welded and fixed to the outer peripheral surface of one pipe-shaped mounting pipe 6. The outer end portion of the mounting pipe 6 is not hollow but is covered with a vertical plate 7 or the like. The other end is open.
Reference numeral 8 denotes a connecting pipe in the form of a short pipe slightly smaller than the inner diameter of the mounting pipe 6 and made of the same ordinary steel as the beam 2, and at the inner peripheral portion of the connecting pipe 8, a substantially intermediate portion in the center direction thereof. At the center, the positioning hole 9
The mounting plate 10 provided with is fixed by welding. One end of the connecting pipe 8 is inserted into the open portion of the inside of the mounting pipe 6 and is fixed by welding in advance. On the other hand, on the side surface of the web 11 of the beam 2 made of H-shaped steel, a pin-shaped projection 12 which is smaller than the positioning hole 9 of the mounting plate 10 is preliminarily welded and is projected in one area. Then, at the time of mounting, the mounting pipe 6 having the connecting pipe 8 in advance in a region as described above is arranged outside the pin-shaped projection 12, and the mounting hole 9 is fitted onto the projection 12 for positioning. In addition, the end of the connecting pipe 8 is brought into contact with the side surface of the web 11 of the beam, and welding is performed along the outer periphery of the connecting pipe 8 to thereby fix the beam to the beam 2.

In this embodiment, the connecting pipe 8 made of ordinary steel is attached to the inner end of the pipe-shaped mounting pipe 6 made of stainless steel as described above.
Are fitted in advance and fixed to each other so that ordinary steels are welded to each other, but it is not always necessary to use this connecting pipe 8, and the disc 10 provided with the positioning hole 9 is provided with the inner diameter of the mounting pipe 6. Alternatively, the ends of the fixture 6 may be welded directly to the web 11 and to the web 11.

As described above, according to the present invention, the lower end of the handrail of the pipe handrail is positioned by externally fitting the hole of the vertical plate fixed to the mounting pipe to the pin-shaped projection for positioning the beam. Since welding is performed in this state, not only the welding work is easy, but the tip of the bolt and nut do not project and be exposed on the back side of the beam as in the past, and the back side of this beam can be seen from below. Even with such a structure, there is no defect that the appearance is impaired. In addition, since the pipe is also used for the mounting portion at the lower end of the handrail in this way, it is unified as a pipe handrail, and in this respect, the effect of improving the appearance can be obtained.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing the mounting structure of the lower end of the handrail according to the embodiment of the present invention, FIG. 2 is a side view of the mounting part of the lower end of the handrail, FIG. 3 is a front view, and FIG. An overall front view of the handrail and FIG. 5 are plan views of the same. 2 ... Beam, 4 ... Railing, 6 ... Mounting pipe, 9 ...
… Positioning holes, 12 …… Pin-shaped projections.

Claims (1)

(57) [Scope of utility model registration request] 1. A pin-shaped projection is projected on a side surface of a beam, and a hole of a mounting plate provided in a mounting pipe at a lower end of a handrail is externally fitted to the projection to position the mounting pipe and a side surface of the beam. Pipe handrail fixing device characterized by welding and to each other