KR19990081227A - Formwork and connecting device for drainage pipe connection - Google Patents

Abstract

The present invention is provided to facilitate the use of the curved portion according to the structure of the construction site as a connection formwork and connecting device, such as concrete fume pipe, PE reinforced spiral pipe widely used as a drainage pipe.

In the present invention, since the use of the albow light for the curvature of the drainage pipes, or problems such as robust leakage, the present invention is solved to solve the conventional problems and easy to use in the field, when the field construction to the soil for drainage pipes The assembly part 3 of the connection part of the drainage pipe 9 to be assembled for further digging is formed on both sides, but the curved part is a hard resin band and the corrugated support part 5 and the fusion point 4 are made in the spiral winding circuit soft. It is fixed by maintaining a certain interval with the inner wall, but composed of a soft formwork (6) between the cement mortar inlet (2) on the one side of the invention by filling the cement mortar (10) in the input space (a) for a certain time It is a beneficial invention that can be applied irrespective of the bending angle and length at the construction site as it is a product configured to cure the surrounding soil after curing.

Description

Formwork and connecting device for drainage pipe connection

The present invention relates to a formwork and a connection device for concrete fume pipes widely used for drainage pipes, and more particularly, to a drainage pipe formwork and a connection device that provides a completely leak-proof connection while deforming to a curved state of the drainage pipe on the construction topography.

In general, concrete fume pipes and PE reinforcement spiral pipes, which are widely used in civil engineering construction, are hard products, so sections of bending drainage pipes are often formed according to the conditions of the construction site. When the parts are connected after the separate processing, but there is a problem in the robustness, etc. The present invention is described as follows according to the drawings as the invention is configured to give back after curing for a certain period of time by inserting a reinforcing agent such as cement mortar.

As shown in Figures 1, 2, and 3 in the connection portion of the drainage pipe (1) in the soft inner wall (7) formed by spiral winding with a soft synthetic resin material that retains the flexibility when bent in accordance with the conditions of the construction section in the basement Both sides form an assembly stage (3) for inserting and assembling into the connection portion of the drainage pipe, but the curved portion is composed of hard resin of the spiral winding soft resin, respectively, to form a fusion point (4) by the corrugated support (5). Corrugated support (5) formed by winding spirally to provide flexibility while forming the thickness of main drainage pipe (1), that is, the input space of cement mortar (10), intermittently integrated with the soft inner wall (7). The soft mold 6 is integrally formed between the two parts. In this case, the hard resin 11 is composed of a diagonal winding, so that the melting point 4 of the corrugated support 5 is composed, and the assembly table 3 is a drain. The tube (9) is kept in a circular state for easy assembly give. Here, as shown in FIG. 9, the cement mortar 10 is filled with the cement mortar 10 in the filling space A with the cement mortar inlet 2 of the present invention assembled by bending between the drainage pipes 9. The direction is integrated with each other in the space of the soft formwork 6, and in the longitudinal direction is integrated with each other in the space between the fusion point 4 of the corrugated support 5, the cement mortar cured in the input space (a) is In the connection device of the present invention, the invention provides the product of the present invention even if it is provided with a corrugated support (5 ') formed by a soft resin.

And as shown in Figure 2 (b) to make up the assembly rib (3 ') to compensate for the assembly part 3 when inserting a waterproof filler (cement mortar or hard foam waterproofing agent).

In this case, if flexible bars 6 'and 7' are formed on the soft inner wall 7 and the soft formwork 6 as shown in FIG. 4, the workability is more convenient in the field of construction. Done.

As an embodiment of the present invention, as shown in Figures 5, 6, 7, the cement mortar input space (a) between the soft inner wall (7) and the soft formwork (6) may be integrated with a hard support (8) or the soft formwork ( The cross section of the outline of 6) is invention which may be comprised linearly in the longitudinal direction. At this time, the assembly support (3) portion of the hard support (8) is appropriately removed in the production process to facilitate the connection of the drainage pipe (9).

In another embodiment of the present invention, as shown in Fig. 9 (a) (b) (c) by reducing the number of spiral windings of the corrugated support (5) and the fusion point (4) by about one to two inlet (2) It is a product used as a connecting device in the straight state of the drainage pipe (9) by the formation.

And as the product derived from the present invention, as shown in Figure 10, 11, 12, such as the fume pipe in the drain pipe, if the weight is heavy or large size is not easy to move for the assembly of the drain pipe to be constructed as a drain pipe A product capable of narrowing the length of the connection formwork of the invention to the drainage pipe in the longitudinal direction is required, as shown in Fig. 11 (b) (b) to form an uneven portion in the cross-sectional structure in the connecting formwork body 1 '. If the concave-convex inner tube 12 and the concave-convex assembly table 13 are formed in the assembly table 3, the connection formwork 1 and the drainage pipe of the present invention at the construction site of the drain pipe which is dug when the underground is buried. ) The assembly of the connection part is easily provided, and the rigid synthetic resin foam (10 ') is inserted into the inlet (2 ") and filled to provide a complete leak prevention effect, especially in the case of narrowing in the longitudinal direction. Outer diameter edge In addition, the present invention provides an external leakage blocking effect of the mortar 10. Therefore, when the construction of the elbow or curved portion of the construction site at the construction site, the use of this product ensures the use of this product and prevents leakage of sewage and is used semi-permanently. This product is used as a connecting device for straight state construction without bending angle.

The present invention relates to a formwork and a connecting device for connecting drainage pipes of the present invention, particularly in the construction of curved sites such as concrete fume pipes, PE reinforcement spiral pipes, and other drainage pipes. In addition, the direction of the drainage pipe is not only straight, but also to form a concave-convex structure in the connecting formwork 1 'of the present invention to facilitate the assembly of the drainage pipe.

1 is a perspective view of the present invention,

Figure 2 (a) (b) is a cross-sectional view of the main part of Figure 1 and the application example,

3 is a cross-sectional view taken along line A-A and completed state of FIG.

4 is a sectional view of the main embodiment of FIG. 1;

5 is a perspective view of main parts of an embodiment of the present invention;

6 is a sectional view of the main part of FIG. 4;

7 is a sectional view of the embodiment of FIG. 5;

8 is a partially cut state of the use state of the present invention,

Figure 9 (a) (b) (c) is a perspective view and a partially cut state of use of another embodiment of the present invention

10 is a perspective view of a product derived from the present invention,

11 (a) (b) is a state diagram of the operating principle of FIG.

12 is a partially cut away perspective view of the use state of FIG. 10;

* Description of Signs of Main Parts of Drawings *

1,1 ': Connecting device 2,2': Inlet

3: Assembly base 3 ': Assembly rib

4: melting point 5: corrugated support

6: soft formwork 6 ': flexible stand

7: Soft inner wall 7 ': Music stand

8: support 9: drainage pipe

10: cement mortar 11: hard zone

12: uneven inner pipe 13: uneven assembly table

14: inner tube

The characteristics for achieving the object of the present invention is to insert the inner surface into the soft inner wall (7) to the connection portion of the drainage pipe (9) for connecting in a curved state and the outer surface is assembled to the assembly table (3) The curved part is formed so that the fusion point (4) and the cement mortar input space (A) are composed of alternating shapes according to the spiral wound length of the corrugated support (5) made of a hard resin, but is integrated with the soft formwork (6) therebetween. The cement mortar inlet (2) is formed in the longitudinal direction to the mold (1), and the cement mortar is injected into the inlet (2) and filled in the inlet space (A) to cure for a certain period of time. If the soil is backed up, it provides leakage prevention, solidity, economic efficiency, and construction.

At this time, in order to smooth the flexibility, if the flexible stand (6 ') (7') is formed on the soft inner wall (7) and the soft formwork (6), the field workability is improved, and the filler is composed of the assembly rib (3 ') made of soft resin. Improves leakage to the assembly unit (3).

In the embodiment of the present invention, even if the support 8 is configured instead of the corrugated support 5 and the fusion point 4, the effect of the present invention is provided, and the construction drainage pipe can be used even in a straight state instead of the bending section. In addition, the use interval of the connecting device is a useful invention that contributes to the use of the drainage pipe saving effect, and the formwork (1 ') on the inner wall surface 7 or the assembly table 3 of the connecting formwork (1') body of the present invention. Providing the product consisting of the concave-convex inner tube 12 and the concave-convex assembly stand 13 so as to reduce the length in the longitudinal direction, when the narrowing and widening in the longitudinal direction of the connecting device by using the change in the outer diameter of the concave-convex portion It is to provide firmness, workability. In this case, filling the input space (a) with a hard synthetic resin foam waterproofing agent (10 ') by the inlet (2') provides a robustness and leakage prevention effect.

The present invention is a formwork and a connection device for connecting concrete fume pipes, PE reinforcement spiral pipes, other sewer pipes, wastewater pipes, etc., which are widely used for conventional drainage pipes, and especially products that provide flexibility. It is not only easy to work by filling it, but also maintains high strength and durability after construction, and it is easy to connect even if the connection parts of the drainage pipes such as concrete fume pipes are not exactly matched, regardless of the length of the curved part and the angle of bending. It can be easily manufactured and can be adapted to the bad conditions such as construction conditions of the construction site, it is also used in straight pipes, and economical efficiency is provided that the use of drainage pipes is reduced as much as the interval of product use of the present invention.

In addition, the concave-convex inner tube 12 and the concave-convex assembly table 13 are formed in the longitudinal section on the inner tube 19 or the assembly table 3 so that the connecting formwork 1 'body can be easily assembled on site. When assembling with the pipe (9), the product is provided with elasticity to reduce the length of the formwork (1 ') and provides rigidity and watertightness by using a rigid foam.

Therefore, it is an economical advantageous invention that can be used in the construction site safely without leaking sewage because the connection part is inserted into the connection part of the drainage pipe inside and outside so that the connection part becomes solid as a whole.

Claims (8)

In order to connect the curved part of the drainage pipe 9, a soft inner wall 7 having a spiral winding on the inner side and a soft resin band and a hard resin band 11 on the outer surface are formed on the spiral winding. The drainage pipe constitutes the joining table 3, and the curved part forms intermittently the fusion point 4 of the corrugated support 5 with a resin for hard synthesis in the longitudinal direction of the spiral winding, and consists of connecting dies 6 therebetween. Formwork for connection. The formwork for connection of a drainage pipe according to claim 1, wherein the corrugated support (5 ') and flexible stand (6') (7 ') of the soft resin are formed. The formwork for connection of drainage pipes according to claim 1, wherein the assembly ribs (3 ') are formed. The formwork for connection of drainage pipes according to claim 1, wherein the support (8) is configured. The formwork for connection of a drainage pipe according to claim 1, wherein the inner pipe (14) and the outer formwork (6) have one or two inlets (2 '). The formwork for connection of a drainage pipe according to claim 1 or 5, which is composed of cement mortar (10) or a hard synthetic resin foam (10 '). The formwork for connection of a drainage pipe according to claim 1 or 6, wherein the uneven inner plate (12) and the uneven assembly board (13) are formed. The drainage pipe connecting device according to claim 1, 6 or 7, wherein the inlet (2) (2 ') is filled with a foamed waterproofing agent made of a hard synthetic resin.