JPH045583Y2 - - Google Patents

Description

[Detailed description of the invention] "Industrial application field" This invention relates to drainage traps for parking lots and car washes.

``Prior Art'' The structure of a conventional drainage trap for separating and discharging waste water mixed with oil and water in parking lots and car washes is shown in FIG.

In other words, 1 in the figure is the main body, which is a lower part with an upper tube part 3 buried in a slab shaped at the top with a waterproof layer receiving collar 2, which is a guide when applying a waterproof layer, and a trap part 4. The cylindrical portion 5 is divided into two parts, and both are integrated by flange connection via a tightening bolt 6.

A lid 7 is attached to the bottom of the main body 1 via a tightening bolt 8, and a cleaning port plug 9 is provided in the center of the lid 7.

A receiving frame 10 in which a strainer 11 is fitted is fitted and placed on top of the upper cylindrical portion 3.

The above drainage traps are standardized to the above configuration,
It has a total weight of about 70 kg, and as is clear from the above structure, it does not have anything to be supported by the slab formwork, and is assembled to the slab using a post-installation method.

That is, after the slab concrete has hardened, a blank hole is drilled where the loose fit will be inserted, and at this time, the waterproof layer receiving collar 2 is placed over the slab reinforcing bars that are intentionally exposed in the hole, or is added to the waterproof layer receiving collar 2 to receive the lower surface. It can be installed by providing support and sealing the open space between it and the formwork with iron plates, etc., and then filling it with concrete.

Note that only the upper half of the cylindrical part 3 is buried in the slab, and the lower part is exposed below the slab, so when inserting it into the above-mentioned hole, the cylindrical part 5 must be separated. After installation, the slab is assembled and integrated on the underside of the slab.

``Problems that the invention aims to solve'' As mentioned above, conventional drainage traps are rarely used (waterproofing is omitted unless the lower floor is a living space), and unnecessary cross-sections such as the waterproof layer receiving collar are used. It is too heavy to install it in an integrated form, and the means to temporarily hold it in place is extremely inconvenient, and furthermore, it must be retrofitted. However, the workability is extremely poor.

``Means for solving problems'' and ``effects'' This proposal was made in view of the above circumstances, and its gist is that the strainer should be buried in the receiving frame and the slab that receives it. The upper cylindrical part is shortened in bulk so that the upper end of the receiving frame is at the slab level, and is integrally constructed, and the waterproof layer receiving flange of the receiving frame is reduced to a rib part, and a projection is formed on the rib part. By attaching an adjusting bolt for level adjustment to the tongue piece, it is possible to shorten the bulk of unnecessary parts and eliminate the waterproof layer receiving flange, which eliminates unnecessary cross section and reduces weight. By attaching a support mechanism to the frame, it is possible to attach it in advance, resulting in a significant improvement in workability.

"Example" This will be explained in detail below based on the drawings.

Figures 1a and 1b are longitudinal cross-sections of the product in plan view.

Reference numeral 12 in the figure indicates the upper cylinder part of this product, which differs from the conventional one described in this article by incorporating a receiving frame into which the strainer is fitted, and the volume of the receiving frame is shortened so that the upper end of the receiving frame is at the slab level. It was designed. That is, in the conventional method described above, the receiving frame 10 projects on the slab surface in a separate configuration, but in this case, the upper end of the receiving frame is set at the level of the slab concrete 13, and the overall volume is reduced. The width is shortened to a large extent, and the receiving frame is integrated into the upper cylinder part.

This results in a significant weight reduction. Furthermore, in the present invention, the waterproof layer receiving collar 2 in the conventional one is omitted on the premise that no waterproof layer is applied, and is reduced to a mere rib 14.

The rib 14 is provided with tongue portions 15, .
An adjustment bolt 16, . . . for level adjustment is attached to the. As shown in the figure, the adjusting bolt 16 is mounted on a slab formwork 17 to support the upper cylinder portion 12 at a predetermined level.

The weight of this support is reduced from 70Kg to about 44Kg, so it can be done without any problems.

Also, from the point of view of manual work, it is possible to do the work without the aid of a lifting machine.

Therefore, when assembling the slab formwork, if the formwork 17 is made with holes for the product to pass through, then it is dropped into the formwork and installed, and the open space between it and the formwork 17 is sealed with an iron plate or the like. , it became possible to install it in advance.

"Effects of the Invention" As described above, according to the present invention, a large weight reduction and pre-installation are achieved, and as a result, the following effects are achieved.

Workability has been greatly improved by reducing weight.

It can be installed using a pre-installation method, which shortens the process, ensures integrity, and improves waterproofness.

Economically, the work and materials required for drilling loose fitting holes using the retrofitting method are eliminated, resulting in lower costs.

By applying it in advance, the area around the drain became beautiful.

[Brief explanation of the drawing]

FIGS. 1a and 1b are a plan view and a longitudinal sectional view of the product according to the present invention in a usage mode, and FIG. 2 is a longitudinal sectional view of the conventional product. DESCRIPTION OF SYMBOLS 1...Main body, 2...Waterproof layer receiving collar, 3...Cylinder part, 4...Trap part, 5...Cylinder part, 6...Tightening bolt, 7...Lid, 8...Tightening bolt, 9... Cleaning port plug, 10... Receiving frame, 11... Strainer, 12... Upper tube part, 13... Slab concrete, 14... Rib, 15... Tongue piece, 16...
Adjustment bolt, 17...Slab formwork.

Claims (1)

[Scope of utility model registration request] The receiving frame in which the strainer is fitted and the upper cylinder part buried in the slab that receives the strainer are shortened in bulk so that the upper end of the receiving frame is at the slab level, and are configured integrally, and the waterproof layer in the receiving frame is A drainage trap for parking lots and car washes, characterized in that a receiving brim is reduced to form a rib part, and an adjusting bolt for level adjustment is attached to a tongue piece protruding from the rib part.