JPH0326399Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to the structure of a drain plug attachment part of a container containing liquid.

[Conventional technology]

A drain plug for completely draining the liquid contained in the container is, for example, as shown in FIG. The mounting seat 13 is fixed to the bottom plate 11 by welding or the like, and the drain valve 14 having a male thread is screwed onto the female thread of the mounting seat 13 via a packing 15.

[Problems to be solved by the invention] In the conventional drain plug mounting device described above, the drain plug mounting seat of the container protrudes far beyond the bottom surface of the container. When the container is removed and moved, the presence of large protrusions becomes a nuisance, and there is a problem in that it affects the handling of the container and the dimensions of the assembly frame.

[Means to solve problems]

The drain plug attachment device of the present invention penetrates from the upper surface to the lower surface of a cylindrical body fixedly installed in an opening drilled in the bottom plate of the container so as to slightly protrude from the lower surface of the container, and has a female thread at the top. A drain that has a hollow part at the bottom with an inner diameter larger than the female thread, and one or more through-holes on the inner and outer surfaces that are bored so that the upper surface of the bottom plate of the container and the lower end of the hole are in the same horizontal plane. A drain plug mounting seat, a hole that penetrates from the upper surface to the lower surface, and a male thread that engages with the female thread of the drain plug mounting seat, and a surface that is tightened through packing with the lower surface of the drain plug mounting seat. It has an inner and outer surface through-hole that corresponds to one or more inner and outer surface through-holes, and a drain plug mounting fitting is provided at the lower part of the inner diameter with a female thread that engages with a male screw on the upper part of the drain plug.

Therefore, when assembling, dismounting, and moving, the lower part can be easily removed from the drain plug mounting bracket, and there is no large protrusion on the lower surface of the container that would get in the way.

〔Example〕

Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is an assembled sectional view of a positional embodiment of the drain plug mounting device of the present invention, and FIGS. 2a and 2b are component diagrams of a drain plug mounting seat and a drain plug mounting bracket, respectively.

A drain plug mounting seat 1 having a cylindrical outer diameter is welded so as to protrude by a distance L from the opening of the bottom plate 3 of the container. The drain plug mounting seat 1 has a hole penetrating from the top surface to the bottom surface, and a female screw 1 is installed at the top.
c is cut, and the lower part has a hollow part 1a with a larger inner diameter than that, and four holes 1b, the lowest part of which is on the same horizontal plane as the top surface of the bottom plate 3 of the container, are opened so as to be perpendicular to each other. . An annular mounting seat 2e is attached to the drain plug mounting seat 1 via a packing 5, and a male screw 2c is screwed into the female screw 1c.
and a through hole 2a penetrating from the top surface to the bottom surface, and four holes 1b, and in the assembled state, the hole 1b
A drain plug fitting 2 is tightened, which has four holes 2b located below and a female screw 2d provided at the lower part of the inner diameter and screwed into the male screw of the drain valve 4. A drain valve 4 is attached to the drain plug fitting 2 to constitute a drain device.

The drain inside the container. Hole 1b of drain plug mounting seat 1
From there, it enters the drain valve 4 via the hole 2b of the drain plug fitting 2, and when the valve is opened, it is discharged downward from the discharge port. The amount L of the drain valve mounting seat 1 that protrudes from the container can be set to be extremely small compared to the height H of a conventional mounting seat, so that it will not become an obstacle during relocation or the like. Furthermore, the lowest end of the side surface 1b of the drain plug mounting seat 1 is at the same height as the top surface of the bottom plate 3 of the container, and
b is located at a lower position than that, so the entire amount of drain can be discharged.

[Effect of idea]

As explained above, the present invention includes a drain plug mounting seat that is installed so as to slightly protrude from the bottom plate of the container, and a drain plug mounting bracket that is tightened to this through packing, so that it is flush with the top surface of the bottom plate of the container. By having a horizontal hole penetrate inside and outside, the entire amount of drain in the container can be discharged, and since the protrusion on the drain plug mounting seat is small, there is little effect on handling or the dimensions of the assembly frame. There is.

[Brief explanation of the drawing]

FIG. 1 is an assembled sectional view of one embodiment of the drain plug mounting device of the present invention, FIGS. 2a and b are sectional views of an embodiment of the drain plug mounting seat and drain plug mounting bracket, and The figure is a sectional view of a conventional drain plug attachment device. 1...Drain plug mounting seat, 1a...Hollow part, 1b
...Internal and external through holes, 1c...Female thread, 2...Drain plug mounting bracket, 2a...Through hole, 2b...Internal and external through holes, 2c...Male thread, 2d...Female thread, 2e
...Mounting seat, 3...Bottom plate of container, 4...Drain valve, 5...Puttlekin.

Claims (1)

[Claims for Utility Model Registration] A cylindrical body fitted into an opening formed in the bottom plate of a container so as to slightly protrude from the bottom surface of the container, penetrates from the top surface to the bottom surface, and has a female thread at the top. a hollow portion having an inner diameter larger than the female thread in the lower part thereof, and one or more through-holes on the inner and outer surfaces bored so that the upper surface of the bottom plate of the container and the lower end of the hole are in the same horizontal plane. A drain plug mounting seat, a male thread that engages with a female thread of the drain plug mounting seat, a surface that is tightened via packing with a lower surface of the drain plug mounting seat, and a hole that penetrates from the upper surface to the lower surface and the drain plug mounting seat. A drain consisting of a drain plug mounting fitting that has internal and external through holes that correspond to one or more internal and external through holes of the plug mounting seat, and a female thread at the lower part of the inner diameter that engages with a male screw on the upper part of the drain plug. Bung attachment device.