JPS6226509Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] This invention relates to a swimming pool having a waterproof layer constructed by seam welding thin metal plates.

[Prior art]

Conventionally, swimming pools have been constructed by (1) arranging a large number of metal plates made of steel or stainless steel plates side by side and joining adjacent metal plates by butt welding or lap welding to form a box-shaped metal pool body; (2) A number of metal plates made of steel plates or stainless steel plates are arranged side by side, and the bent edges of adjacent metal plates are packed between them. A box-shaped metal pool body is formed by intervening and tightened together with a large number of bolts, and the pool body is supported by a steel support frame.(3) Mortar is attached to the inner surface of the box-shaped concrete pool body. It is known that a waterproof layer is formed by applying .

In the case of the swimming pool mentioned in (1) above, there is a problem that the use of thick metal plates significantly increases costs, and the use of thin metal plates makes it difficult to perform butt welding or lap welding with perfect strength reliability and watertightness. be. Also, in the case of the swimming pool mentioned in (2) above,
Using thick metal plates will significantly increase costs;
Furthermore, when a thin metal plate is used, the packing tightening force is large at the bent edge of the metal plate near the bolt, resulting in good water-stopping properties, but the packing tightening force decreases as the distance from the bolt increases. Therefore, water may leak from the joints between the metal plates.

In addition, in the case of a metal pool body, if a steel plate is used as the metal plate, it is necessary to apply anti-rust coating at certain intervals, making maintenance complicated. Then, there is a problem that it feels cold.

In the case of swimming pools mentioned in (3) above, cracks may occur due to ground subsidence, earthquakes, etc. and water may leak, and repairing such cracks is difficult.

[Purpose of the invention, structure]

The purpose of this invention is to provide a swimming pool having a seam-welded waterproof layer of metal sheets that advantageously solves the above-mentioned problems and also provides other excellent effects, and this is the gist of this invention. However,
A large number of bottom metal thin plates 1 are arranged side by side, and the bent edges 7 of adjacent metal thin plates 1 are overlapped and joined by seam welding parts 2 to form a waterproof metal lower pool bottom plate 3. A hanger 5 protruding from the inner surface of the side wall 4 is embedded and fixed, a plurality of side wall thin metal plates 6 are arranged side by side on the inner surface of the concrete side wall 4, and bent edges 7 of adjacent side wall metal thin plates 6 are arranged. are joined by the seam welding part 2 with the hanger 5 interposed between them to form a waterproof metal pool side wall plate 8, and the metal lower pool bottom plate 3 and the metal pool side wall plate 8 are are connected watertight, a concrete upper bottom plate 9 is provided on the upper surface of the metal lower pool bottom plate 3, and mortar is applied to the inside of the metal pool side wall plate 8 to form a side wall inner surface finishing layer 10. The pool is characterized by having a sheet metal seam welded with a waterproof layer.

〔Example〕

Next, this invention will be explained in detail using illustrated examples.

FIG. 1 shows a thin metal plate 1 for the bottom used in an embodiment of this invention, in which a thin metal plate 1 such as a thin steel plate is rolled on both sides in the width direction of a long thin metal plate (usually coiled). The bent edge 7 is formed by the bending process, and the angle α between the bent edge 7 and the surface of the flat plate 11 is slightly larger than 90°.

FIG. 2 shows a side wall thin metal plate 6 with an attachment member used in an embodiment of this invention, which is a metal plate such as a thin steel plate having a bent edge 7 bent at an angle as described above. An attachment member 12 such as wire lath or metal lath is placed on the surface of a flat plate 11 of a groove-shaped thin metal plate and fixed by spot welding or the like.

FIG. 3 shows a metal thin plate 13 for a refractive connection part used in an embodiment of this invention,
A long thin metal plate such as a thin steel plate is bent by a roll to form an L-shaped section 14 and a bent edge 7, and the bent edge 7 and the L-shaped section of the flat plate are The angle α with the surface is slightly larger than 90°.

FIG. 4B shows the corner metal thin plate 15 used in the embodiment of this invention.
A thin metal plate 15A such as a thin steel plate having the shape shown in FIG. 17 are refracted and connected,
and a connecting plate 1 connected to one side of the bottom plate 17.
8A and a connection plate 18B that is bent and connected to the end of the other flat plate in the L-shaped portion are joined by seam welding, and further connected to the side of each flat plate in the L-shaped portion 16 and the side of the bottom plate 17. A bent edge 7 is formed at the same angle as in the above case.

The thin metal plate 1 for the bottom, the thin metal plate 6 for the side wall, the thin metal plate 13 for the bending connection, and the thin metal plate 1 for the corner.
When manufacturing a pool using 5, first, the ground of the pool installation place is laid with quartz stones 19 and tamped down, a sand layer 20 is provided on top of it and leveled, and the sand layer 20 is A large number of thin metal plates 1 for the bottom are laid out on top, and the bent edges 7 of adjacent thin metal plates 1 for the bottom are overlapped with each other and watertightly joined by a continuous seam weld 2, and further seam welded. Both ends of the bent edge 7 are bent to overlap the flat plate 11 to form the waterproof metal lower pool bottom plate 3, and the periphery of the metal lower pool bottom plate 3 is bent to form the bent edge. 7 is formed, and the angle between the bent edge 7 and the surface of the lower pool bottom plate 3 is also slightly larger than 90°.

Concrete side walls with reinforced steel around the entire circumference of the pool 4
A concrete footing 21 is provided at the bottom of at least two opposing side walls (for example, a side wall on the start line side and a side wall on the goal line side) of the concrete side walls 4 around the entire circumference, and that protrudes from both the inside and outside of the side wall. It is installed in one piece. An anchor member 22 made of a steel rod or a vertical reinforcing bar of side wall concrete is passed through one side of the hanger 5 made of a thin metal plate such as a thin steel plate and fixed by welding or the like, and the hanger 5 is fixed at appropriate intervals in the horizontal direction. and are arranged at a predetermined interval in the vertical direction (an interval approximately equal to the sum of the width of the side wall thin metal plate 6 and the thickness of the hanger 5), and when constructing the concrete side wall 4, the hanger 5 is One side and anchor member 2
2 is embedded in the concrete side wall 4, and the other side of the hanger 5 projects horizontally from the inner surface of the concrete side wall 4.

The thin metal plates 6 for the side walls are arranged in multiple stages in the vertical direction so as to extend in the horizontal direction, and the bent edges 7 of the thin metal plates 6 for the side walls adjacent in the vertical direction are arranged so that the bent edges 7 of the metal plates 6 for the side walls 6 are vertically adjacent to each other. They are watertightly joined by a continuous seam weld 2 with the other end interposed therebetween, thereby forming a waterproof metal pool side wall plate 8.

The thin metal plate 13 for the bending connection portion is interposed between the end of the metal lower pool bottom plate 3 and the lower end of the metal pool side wall plate 8, and the bending connection portion A corner metal thin plate 15 is interposed between the edge of the pool metal thin plate 13 and the corner of the metal lower pool bottom plate 3, and the bent edges 7 of adjacent metal thin plates at the pool corner are continuous. The hanger 5 is connected water-tightly by the seam welded part, and the hanger 5 is also connected between the bending joint metal thin plate 13 and the bent edge 7 of the adjacent side wall metal thin plate 6.
The other side is interposed and joined by a continuous seam weld. Concrete is cast on the metal lower pool bottom plate 3 and the surface is finished with a metal trowel to form the concrete upper bottom plate 9, and the steel frame 23 is attached to the upper part of the concrete side wall 4 and the concrete foundation 24. Abuts against the upper surface and is fixed by an anchor bolt 25,
Further, a concrete floor slab 26 is placed on top of the frame 23.

Drainage groove 28 constructed by bending a metal plate
The connection part cover 27 with the attached part covers the upper surface of the concrete floor slab 26 on the pool side and the upper end plate 7A of the metal pool side wall board 8, and covers the upper surface of the lower flange 29 of the connection part cover 27 and the upper end. A waterproof sealing material 30 is interposed between the bottom surface of the plate 7A, the upper end plate 7A and the lower flange 29 are connected by a blind rivet 31, and a drain groove 28 in the connection part cover 27 is provided.
The bottom plate is fixed to the mounting bracket 32 fixed to the frame 23 by blind rivets 33, and the inner surface of the metal pool side wall plate 8 is coated with mortar to form a side wall inner surface finishing layer 10. There is. In FIG. 10, reference numerals 39 and 40 indicate reinforcement of the concrete side wall 4 and the concrete upper and bottom slab 9.

When implementing this idea, foamed plastic or other insulation material may be attached or sprayed on the back side of the metal thin plate in advance, or foamed plastic or other insulation material may be laid under the metal lower pool bottom plate 3. good.

Furthermore, the metal thin plate 13 for the bending connection part and the metal thin plate 15 for the corner part are omitted, and the peripheral edge of the metal lower pool bottom plate 3 and the lower end of the metal pool side wall plate 8 are joined by a seam weld. , the lateral ends of the metal pool side walls 8 may be joined to each other by seam welds. In this case,
The angle of inclination of the bent edge formed by bending around the lower pool bottom plate 3 and the lower and lateral ends of the pool side wall plate 8 is set at an angle of 45° or more with respect to the surfaces of the lower pool bottom plate and the pool side wall plate. Set it to a slightly larger angle.

When joining the respective thin metal plates by seam welding, if a portion of the seam weld line is cut, that portion may be joined by welding such as spot welding or brazing. In addition, an appropriate number of partial concrete foundations are provided under the lower pool bottom plate 3, and the lower part of a hanger made of a thin metal plate is embedded and fixed in this concrete foundation, and the upper part of the hanger is connected to the adjacent bottom metal. It may be interposed between the bent edges of the thin plate 1 and joined by seam welding.

Also, an original plate 34 of a thin metal plate as shown in FIG.
The connecting plate 3 is bent at right angles along the folding line 35 and connected to one side of the other triangular plate.
By overlapping and brazing 6 to the other adjacent triangular plate, a right triangular pyramid-shaped corner closing fitting 37 as shown in FIG. 15 is constructed, and the corner closing fitting 37 is formed as shown in FIG. As shown in FIG. 3, the triangular opening edge 38 of the thin metal plate at the corner of the pool and the inner surface of the corner closing fitting 37 may be joined watertightly by brazing by superposing the thin metal plate at the corner of the pool from the outside.

If the metal thin plate materials constituting the bottom metal thin plate 1, the side wall metal thin plate 6, the bent metal thin plate 13, the corner metal thin plate 15, etc. are rolled into a coil and transported, transportation costs can be reduced. can.

[Effect of idea]

According to this invention, the bent edges 7 of the bottom metal thin plates 1 constituting the waterproof metal lower pool bottom plate 3 are overlapped with each other and joined by the seam welding part 2, and the waterproof metal pool side wall plate Since the bent edges 7 of the thin metal plates 6 for the side walls composing the thin metal plates 6 for the side walls are overlapped with each other and joined by the seam welding part 2, even if thin metal plates are used, it is easier to join than by butt welding or lap welding. , it is possible to easily perform welding with complete watertightness and strength reliability, and furthermore, since the waterproof metal lower pool bottom plate 3 and the waterproof metal pool side wall plate 8 are connected watertightly, the concrete side wall 4 Even if a crack occurs in the pool, water will not leak.Moreover, a concrete upper bottom plate 9 is provided on the upper part of the metal lower pool bottom plate 3, and a side wall inner surface finishing layer 10 made of mortar is provided on the inside of the metal pool side wall plate 8. Since it is provided with a swimming pool, there is no need to paint the inner surface of the pool for rust prevention, and it does not give a cold feeling like when unpainted stainless steel plates are used, which eliminates the problems of conventional swimming pools. It can be solved. Moreover, between the bent edges 7 of the adjacent thin metal plates 6 for side walls,
Since the hangers 5 embedded and fixed in the concrete side wall 4 are interposed and fixed together by seam welding, the metal pool side wall plate 8 can be firmly fixed to the concrete side wall 4 in a stable state.
In addition, the concrete upper bottom plate 9 and the side wall inner surface finishing layer 10 also serve to prevent the metal lower pool bottom plate 3 and the metal pool side wall plate 8 from rusting, so the durability of the waterproof layer can be improved, and the waterproof layer Since it is a metal plate, it is less likely to be damaged by seismic motion or ground subsidence, and is highly reliable in terms of water leakage resistance.Furthermore, seam welding can be done with an automatic welding machine, reducing pool assembly costs. Moreover, since very thin metal plates can be used for forming the metal lower pool bottom plate 3 and the metal pool side wall plate 8, economical effects can be obtained.

[Brief explanation of the drawing]

The drawings show an embodiment of this invention,
FIG. 1 is a perspective view showing a part of the thin metal plate for the bottom, FIG. 2 is a side view of the thin metal plate for the side wall with an attachment member,
FIG. 3 is a perspective view showing a part of the thin metal plate for the bending connection, FIG. 4A is a developed view of the thin metal plate for the corner, and FIG. 4B is a perspective view of the thin metal plate for the corner. Fig. 5 is a perspective view showing a state in which the bent edges of a thin metal plate are joined by seam welding, Fig. 6 is an enlarged perspective view showing a part of the bent edges, and Fig. 7 is a perspective view of the bent edges seam welded. Fig. 8 is a perspective view showing the bent end of a seam-welded thin metal plate; Fig. 9 shows the joint of the thin metal plate at the corner of the pool. A perspective view, FIG. 10 is a longitudinal sectional side view showing a part of the pool manufactured using each of the metal thin plates, FIG. 11 is an enlarged longitudinal sectional side view showing a part of the pool side wall, and FIG. 12 is an anchor member. FIG. 13 is an enlarged vertical sectional side view showing the mounting portion of the connecting portion cover. Fig. 14 shows the original plate constituting the corner closing fitting, Fig. 15 is a perspective view of the corner closing fitting, and Fig. 16 shows the corner closing fitting attached to a thin metal plate at the corner of the pool. FIG. In the figure, 1 is a thin metal plate for the bottom, 2 is a seam weld, 3 is a waterproof metal lower pool bottom plate, 4 is a concrete side wall, 5 is a hanger, 6 is a thin metal plate for the side wall, 7 is a bent edge, 8 is a metal pool side wall plate for waterproofing, 9 is a concrete upper bottom plate, 10 is a side wall inner surface finish layer, 11 is a flat plate, 12 is an adhesion member, 13 is a thin metal plate for a bending connection, 15 is a thin metal plate for a corner,
20 is a sand layer, 21 is a concrete footing, 2
2 is an anchor member, and 26 is a concrete floor slab.

Claims (1)

[Scope of utility model registration request] A large number of bottom metal thin plates 1 are arranged side by side, and the bent edges 7 of adjacent metal thin plates 1 are overlapped and joined by seam welding parts 2 to form a waterproof metal lower pool bottom plate 3. A hanger 5 protruding from the inner surface of the side wall 4 is embedded and fixed, a plurality of side wall thin metal plates 6 are arranged side by side on the inner surface of the concrete side wall 4, and bent edges 7 of adjacent side wall metal thin plates 6 are arranged. is the seam welded part 2 with the hanger 5 interposed between them.
The metal lower pool bottom plate 3 and the metal pool side wall plate 8 are connected watertightly, and a concrete upper part is attached to the upper surface of the metal lower pool bottom plate 3. A bottom plate 9 is provided, and mortar is applied to the inside of the metal pool side wall plate 8 to form a side wall inner surface finishing layer 10.
A swimming pool having a seam-welded waterproof layer formed of thin metal sheets.