JPH029010Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial application field This invention is a metal pool structure in which a pool frame is formed of metal plates such as stainless steel, aluminum, iron, etc., and a synthetic resin waterproof sheet is stretched on the inner surface of the pool frame. The present invention relates to a joint and fixing structure for the waterproof sheet in a manufactured swimming pool.

BACKGROUND ART A synthetic resin waterproof sheet on the inner surface of a metal swimming pool is generally installed by a method called an insulation method. In other words, only the minimum necessary parts, such as the edges and part of the middle part of the waterproof sheet, are partially bonded and fixed to the inner wall surface of the metal pool structure, and most of the other parts are left loose. It is stretched. With such a tensioning structure, the work of tensioning the tarpaulin sheet can be carried out extremely quickly and reliably without being affected by the surface condition of the pool frame.
Furthermore, there are excellent advantages such as the fact that the waterproof sheet is not adversely affected by the expansion and contraction of the pool body.

However, conventionally, when installing a waterproof sheet using the above-mentioned insulation method, as shown in FIG. A plate-shaped joining piece 23 made of a PVC steel plate or the like to which the sheet 22 is to be attached and fixed is firmly fixed to the inner wall surface of the pool body 20 using a mechanical fixing member 24 such as a blind rivet or a tapping screw, and then the required This has been done by bonding and fixing the corresponding portions of the waterproof sheet 22, which are stretched under tension, to the bonding piece 23 using an adhesive.

Problems that the invention aims to solve However, in the case of such a conventional structure,
A hole 21 is made in the metal pool body 20, and the fixing member 24 is passed through the hole 21, so that, for example, the hole 21
If the position 1 is lower than the groundwater level, groundwater will enter the structure before the waterproof sheet 22 is stretched, wet the joint pieces 23 and prevent the waterproof sheet 22 from completely adhering, making it difficult to install the waterproof sheet 22. Also, even after the sheeting has been installed, the structure wall and waterproof sheet 2
There was a risk that groundwater would enter between the waterproof sheet 22 and the waterproof sheet 22, and that this would accumulate and cause the waterproof sheet 22 to bulge or the joints thereof to separate. Furthermore, if the waterproof sheet 22 is damaged or the watertightness of its joints becomes incomplete, there is a problem that water leakage will occur immediately.

In order to solve the above-mentioned problems, this idea does not require any holes to be made in the metal pool frame, and the joint pieces have sufficient fixing strength to withstand the tension applied when installing the waterproof sheet. It is an object of the present invention to provide a structure for joining and fixing a waterproof sheet in a metal pool, which can be fixed to the pool body side in a state where it has the following properties.

Means for Solving the Problem This invention, as shown in FIG. 1 corresponding to the embodiment, forms a gap 6 in a part of the inner surface of the metal pool frame 1 between the inner surface and the inner surface. A joining auxiliary piece 3 made of a metal plate is welded and fixed in a manner that allows the joining auxiliary piece 3 to be fixed on the auxiliary piece 3, and a joining piece 4 that makes it possible to adhere the waterproof sheet 2 onto the auxiliary piece 3 is attached to the joining auxiliary piece 3 at a position corresponding to the void 6. It is fixed to the piece 3 by a mechanical fixing member 5 such as a blind rivet or screw, and the corresponding part such as the edge of the waterproof sheet 2 stretched on the inner surface of the metal pool body 1 becomes the joining piece. The gist of this invention is a joint and fixing structure for a waterproof sheet in a metal swimming pool, characterized in that the waterproof sheet is bonded to a metal swimming pool.

The structure according to this invention mainly involves joining the edges of the waterproof sheet at a portion where two inner wall surfaces intersect perpendicularly, such as the four corner portions of the peripheral wall of the pool body or the bottom peripheral portion. Although it is applied to fixing, it is not limited to this, and can also be applied to partially joining and fixing the middle part of a waterproof sheet. in this case,
For example, a joining auxiliary piece with a hat-shaped cross section or the like may be used to form a gap between the back surface and the inner wall surface of the pool body 1, or a flat plate may be formed in the concave portion of the body side. By applying and fixing an auxiliary piece, a cavity may be formed by the recess.

The means for fixing the joining auxiliary piece 3 to the metal pool body 1 does not require making holes in the body, and when the waterproof sheet is being stretched, one end of the waterproof sheet is fixed to the joining piece 4 and then the other end is pulled. It must be strong enough to withstand the force applied to the structure, so welding is required, but not only when the auxiliary piece itself is welded directly to the frame, but also when welding the auxiliary piece itself to the frame using studs for fixing it. The scope of application of this invention also includes the case where the auxiliary piece is fixed to the pool frame.

Embodiment The embodiment shown in FIG. 1 is one of the most effective application examples of this invention, in which the edges of the waterproof sheet are mutually connected to the pool structure at the corner where the two wall surfaces intersect at right angles. This figure shows a bonding and fixing structure for bonding and fixing in a connected state.

In this illustrated embodiment, a metal pool frame 1
is a concrete structure 7 that forms the external structure of the pool or is installed buried in the soil, and its inner surface is entirely covered with a waterproof sheet 2 made of a soft synthetic resin such as soft vinyl chloride. It is set up on. The waterproof sheet 2 is stretched by a so-called insulation construction method by bonding and fixing at least its edge portion to the pool body 1 side.

The edge portions of the waterproof sheet 2 are bonded and fixed to the frame 1 by the following structure.

At a corner where two inner wall surfaces 1a and 1b intersect at right angles, such as the inner bottom periphery and/or peripheral wall corner of the metal pool body 1, a joining auxiliary piece 3 made of a metal strip or plate-like piece is attached. , both inner wall surfaces 1
It is disposed diagonally across between a and 1b, and its both side edges or ends are spot welded and fixed to both inner wall surfaces. Therefore, auxiliary piece 3
A triangular gap 6 is formed behind the pool body 1 and the inner surface of the pool body 1. Note that 8 indicates the above-mentioned welded portion.

On the other hand, the bonding piece 4 needs to have at least one side formed on a surface suitable for adhesion to the waterproof sheet 2, and is generally formed by laminating and integrating vinyl chloride resin layers on both sides of a steel plate. A so-called PVC steel plate is preferably used. In the embodiment, the joint piece 4 is formed in a cross-sectional shape, and has both wing parts 4b,
4b along both inner wall surfaces 1a, 1b, the intermediate base 4a is stacked on the auxiliary piece 3, and a fixing member 5 such as a blind rivet or a tapping screw passing through the auxiliary piece 3 is used to secure the gap. 6
It is firmly fixed to the auxiliary piece 3 at the corresponding position.

Then, the waterproof sheets 2, 2 stretched over the inner surface of the pool body 1 are joined and integrated so that their end edges are overlapped with each other, and the end edges are placed on the joining piece 4 using a solvent molding method. It is fixed using adhesive.

In the installation of the waterproof sheet 2, the auxiliary piece 3 is welded to the pool body 1 in advance, the joint piece 4 is fixed to this, and then the edge of the waterproof sheet 2 is fixed on the joint piece 4 with adhesive. This is done by watertightly connecting the edges of adjacent waterproof sheets.

Effects of the invention As mentioned above, this invention utilizes a joining auxiliary piece that is welded and fixed to the metal pool frame in such a manner as to form a gap between it and the inner surface of the metal pool frame.
A joint piece is fixed at a position corresponding to the gap by a mechanical fixing member such as a blind rivet, and a corresponding portion of the waterproof sheet is partially joined to this joint piece. Therefore, there is no need to make any holes in the pool body, and since screws and the like do not penetrate the pool body, the watertight structure of the pool body can be maintained as it is, and there are no drawbacks such as groundwater intrusion into the pool body. And all of the problems derived therefrom, such as those mentioned above, can be solved all at once.
Moreover, the joint piece is firmly attached to the auxiliary piece using a fixing member such as a blind rivet that penetrates the auxiliary piece, and the auxiliary piece itself is also fixed to the pool frame by welding, so the result is In general, the attached state of the joint piece is very strong, and even when the waterproof sheet is stretched by gluing one end edge to it and then pulling the other end of the waterproof sheet, it is strong enough to withstand the tensile force. It can be made to withstand.

[Brief explanation of the drawing]

FIG. 1 is a sectional view of a main part showing an embodiment of this invention, and FIG. 2 is a sectional view showing a conventional structure. 1...Metal pool frame, 1a, 1b...inner wall surface,
2... Waterproof sheet, 3... Joining auxiliary piece, 4... Joining piece,
4a... intermediate base, 4b... wing section, 5... fixing member, 6
...Void part, 8...Welding part.

Claims (1)

[Claims for Utility Model Registration] (1) An auxiliary joining piece 3 made of a metal plate is welded and fixed to the inner surface of the metal pool frame 1 in such a manner that a gap 6 can be partially formed between the inner surface and the inner surface. At the same time, a joining piece 4 that enables the adhesion of the waterproof sheet 2 onto the auxiliary piece 3 is attached to the auxiliary joining piece 3 at a position corresponding to the gap 6 by a mechanical fixing member 5 such as a blind rivet or screw. Waterproofing in a metal pool, characterized in that corresponding parts such as edge parts of a waterproof sheet 2 which is fixed and stretched on the inner surface of the metal pool body 1 are adhered to the joint piece 4. Seat joint fixed structure. (2) The plate-shaped joining auxiliary piece 3 is attached to both inner wall surfaces 1a, 1b at a corner where two inner wall surfaces 1a, 1b, such as the corner of the peripheral wall of the pool body 1 and/or the peripheral edge of the inner bottom, intersect at right angles. The connecting piece 4, which is arranged and fixed diagonally across the gap and has a cross-sectional shape, has both wing parts 4b, 4b along the intersecting inner wall surfaces 1a, 1b. A joining and fixing structure for a waterproof sheet in a metal pool according to claim 1, wherein the base portion 4a is fixed to the auxiliary piece 3 by a mechanical fixing member 5.