KR100198730B1 - Drainpipe and its manufacturing method - Google Patents

Abstract

The present invention relates to a drainage pipe and a method of manufacturing the same to be made of a single plate-shaped hollow panel molded as a synthetic resin to facilitate manufacturing and to have a better watertightness. It consists of a bottom plate portion 10 which is placed horizontally on the floor to have a channel shape as a whole, and both side wall portions 120 extending from both side edges of the bottom plate portion 10, the bottom plate portion 10 and both sides The wall portion 120 is formed as a hollow panel 10 having a plurality of hollow portions 10a at equal intervals in the longitudinal direction inside formed as a double wall, wherein the bottom plate portion 10 and both side wall portions 120 In consideration of the predetermined range, the plurality of bent cutout portions 20 formed in a predetermined cross-sectional shape at a predetermined position in the longitudinal direction of the hollow panel 10 of the single plate-like body can be refracted. Equally, both side wall portions 120 at both ends of the bottom plate portion 10 located in the center of the hollow panel 10 are built in succession, and both side wall portions erected directly on both sides of the bottom plate portion 10. Drainage pipe which is welded to each of the corner portions 30 refracted by the bending incisions 20 as a bending cutout portion 20, and so as to have a predetermined width and length continuously as the forming mold 200 of the resin extrusion molding machine. The hollow panel 10 is extruded, and a plurality of bending cutouts 20 are formed by cutting the bottom plate portion 10 and both side wall portions 120 at predetermined positions in the longitudinal direction of the formed hollow panel 10. Afterwards, the base plate 10 in the center of the hollow panel 10 is set to the predetermined area of the side wall 120 so that the bending incisions 20 are refracted and abutted, and folded into a predetermined channel shape. Bottom plate portion 10 and both side wall portion 120 bend bending Section 20 as a method of manufacturing a multiple pipe manufactured hayeoseo perform the process in sequence to each of the weld joint to be opened resulted corner portion 30 as a resin-welding 300. The

Description

Drainage pipe and its manufacturing method

1 is a perspective view of the drainage pipe of the present invention.

Figure 2 is a front view showing a hollow panel constituting the drainage pipe of the present invention.

3 is a partially cutaway front view of the drainage pipe of the present invention.

4 is a front view showing a modification of the drainage pipe of the present invention.

Figure 5 shows an embodiment of the present invention,

(a) illustrates a drainage pipe formed by joining a connecting plate to one end.

(b) is a plan view illustrating a state in which the drainage pipes are connected to each other by a connection plate.

6 shows another embodiment of the present invention, which illustrates a drainage pipe in which cover plates are attached to both side wall portions.

(A) (b) (c) (d) of FIG. 7 illustrates the manufacturing method of the drainage pipe of this invention in order.

* Explanation of symbols for main parts of the drawings

10: hollow panel 10a: hollow part

11: waveform single plate 12: internal single plate

13: outer end plate 20: bending section

30: corner portion 110: bottom plate portion

120: both side wall 130: connecting plate

140: cover plate

[Industrial use]

The present invention is for drainage of sewage and sewage, which is embedded in ridged ridges, steep slopes, flat slopes, etc. It relates to a drain pipe and a method of manufacturing the same.

[Private Technology]

Previously, synthetic resin drainage pipes, which are relatively lighter than concrete drainage pipes, have been used for drainage routes that are constructed in inconvenient traffic areas such as mountain slopes. Such synthetic resin drainage pipe is easy to be transported to the construction site because of its light weight, and is widely used in drainage works due to the advantages of being able to easily perform the work of being connected to the excavated drainage pipe. .

On the other hand, in connection with the synthetic resin drainage pipes, the applicant has filed several types of drainage pipes, and in 1993, Korean Utility Model Publication No. 8539, a waterway plate forming a horizontal bottom surface at the bottom thereof. And, the inner wall and the outer wall between the inner wall and the copper wall so that the hollow portion is formed in the middle of the integrally formed side walls to be made of a separate body, and the lower end of the side walls fixed to the both sides of the upper portion of the waterway plate by fixing means The synthetic resin drainage pipe to be assembled has been previously announced.

Therefore, it prevents the synthetic drainage pipe formed by allowing the soil to be filled in the hollow formed in the side wall to be deformed by earth pressure or lateral pressure, and prevents the entire drainage pipe from being floated and lost due to the weight of the soil filled in the hollow. Was given.

In addition, it is true that the waterway plate and the sidewalls are separately molded to fabricate the injection mold, thereby minimizing the injection mold, and at the same time, they can be manufactured in various dimensions in accordance with various standards.

However, such a conventional synthetic resin drainage pipe is first formed by assembling the waterway plate and the sidewalls separately and assembling means, thereby increasing unnecessary work time and the amount of work, and secondly, assembling the waterway plate and the sidewalls manufactured separately. As a result, the joints welded to the channel plate and the sidewalls are always accompanied by the drawbacks such as the possibility of leakage of water and the deterioration of reliability.

As proposed by the present applicant to solve the drawback of the drainage pipe as described above, Utility Model Registration No. 9914 in 1994 is formed of a synthetic resin and the bottom plate portion placed horizontally on the floor to have a channel shape as a whole, and The hollow channel tube is formed so that both side wall portions extending from both side edges of the bottom plate portion are formed as a unitary body, and the bottom plate portion and both side wall portions are formed as double wall bodies so that the hollow portion is formed at equal intervals in the longitudinal direction. It has been.

Therefore, this allows the tubular part made of synthetic resin to have a hollow part to have a structural strength corresponding to earth pressure, and in particular, when used as a drainage pipe, the bottom plate part and both side wall parts are formed as a single body by extrusion molding. It was manufactured to have the advantage of preventing the occurrence of leakage in advance.

However, since the conventional hollow channel tube is made by extruding the bottom plate portion and both side wall portions as a unitary body, the molding frame for extrusion molding is enlarged with a complicated structure, and according to the installation of the molding frame, As the economic burden increased, the overall problem was accompanied by a fundamental problem of increasing the manufacturing cost of the drainage pipe.

[Purpose of invention]

The present invention is composed of a single plate-shaped hollow panel molded as a synthetic resin to form a bottom plate and both side walls in a connected form without a short circuit, first, by reducing the amount of work and the time and work time with the cumbersome manufacturing process Secondly, it is possible to manufacture as a compact molding frame, so that it can produce and supply low-cost products through reduction of manufacturing equipment cost. Third, to realize the perfect watertightness by making hollow panels connected as a unitary body. It is an object of the present invention to provide a drainage pipe and a method of manufacturing the same, which aim to improve the reliability of the product.

[Configuration of Invention]

The present invention also comprises a bottom plate portion 10 which is formed horizontally on the floor so as to have a channel shape as a whole by forming a hard synthetic resin, and both side wall portions 120 extending from both side edges of the bottom plate portion 10. The bottom plate portion 10 and both side wall portions 120 are formed as a double wall body in the form of a hollow panel 10 having a plurality of hollow portions 10a at equal intervals in the longitudinal direction. Put together technical concepts.

However, the drainage pipe 100 of the present invention, as shown in Figures 1 and 3, the hollow panel 10 of a single plate body in consideration of the predetermined area of the bottom plate portion 10 and both side wall portion 120 ) Dividing the plurality of bending incisions 20 formed in a predetermined cross-sectional shape at a predetermined position in the longitudinal direction so as to be refracted, and at both ends of the bottom plate part 10 located at the center of the hollow panel 10. Both side wall parts 120 are connected to each other to be erected immediately, and both side wall parts 120 which are directly erected on both sides of the bottom plate part 10 are welded to each of the corner parts 30 refracted as the bending incision 20. It is characterized by the technical configuration of the present invention.

Hereinafter, the technical configuration of the present invention in more detail as follows.

In the embodiment of the present invention, the hollow panel 10 of the single plate-like body forming the bottom plate portion 10 and both side wall portions 120 has a flat surface on both sides of the corrugated end plate 11 in which the rectangular wave is continuously repeated. The branch is illustrated by joining and forming the inner end plate 12 and the outer end plate 13 to form several hollow portions 10a therein.

The hollow panel 10 is basically to give a stable cross-sectional structure having a hollow portion (10a) in the interior of the double wall to the bottom plate portion 10 and both side wall portion 120 to be made of a solid drainage pipe 100 At the same time, the hollow panel 10 is provided with a condition to form the incision bent cut 20.

Each of the bent cuts 20 formed to be cut into a predetermined cross-sectional shape across the longitudinal direction of the hollow panel 10 has the hollow panel 10 defined by the bottom plate portion 10 and both side wall portions 120. By allowing the stations to be divided in succession without being short-circuited, the bent cutout portions 20 may be directly contacted with the bent cutouts 20 based on a predetermined station of the bottom plate portion 10 located at the center of the hollow panel 10. It will play an important role.

These bent cuts 20 are substantially V-shaped, as shown in FIG. 2 showing an embodiment of the present invention, the inner angle (Q) is cut to form a right angle to both side wall portions (12) are formed in connection with the bottom plate (10) ( 120 may be erected vertically, and if necessary, as shown in the modification shown in FIG. 4, the bent cuts 20 are approximately V-shaped with an acute angle of less than the right angle Q ₁ . By cutting to achieve the bottom plate portion 10 and the side wall portion 120 that is connected to each other to leave the obtuse angle.

On the other hand, as an embodiment of the present invention, as shown in Figure 5 (a), the bottom plate portion from the bottom plate portion 10 to the inner surface of one end of the side wall 120 is standing up and joined, the bottom plate portion It is to be provided with a connecting plate 130 that is integrally joined to the entire 10 and both side wall portion 120 to protrude to the outside.

Therefore, as shown in (b) of FIG. 5, when connecting the drainage pipes 100 to each other, the connecting plate 130 fixed to the drainage pipe 100 on one side is spread over the drainage pipe 100 on the other side. It is possible to expect the advantage that the connection plate 130, the connecting plate 130 is integrally bonded to the inner surface of the drainage pipe 100 on the other side to connect the drainage pipe 100 more closely connected to each other.

In addition, FIG. 6 illustrates another embodiment of the present invention, and includes a plurality of cover plates 140 formed to cover the upper ends of the both side wall parts 120 and the cover plates 140 are the both side wall parts 120. ) It was installed at the top end and covered.

Accordingly, the cover plate 140 firmly supports both side wall portions 120 to prevent twisting or deformation, and exposes the hollow panel 10 at the upper end of the both side wall portions 120 as the cover plate 140. Covering the hollow portion (10a) is to have the effect of preventing rain water is introduced along the hollow portion (10a).

Referring to the manufacturing method of the present invention drainage pipe configured as described above are as follows.

As shown in (a) of FIG. 7, first, as the molding die 200 of the synthetic resin extrusion machine, the inner end plate 12 and the outside having flat surfaces on both sides of the corrugated end plate 11 in which the rectangular wave is continuously repeated. While the end plate 13 is continuously molded to have several hollow portions 10a in an integrally bonded interior, the hollow panel 10 is formed to have a predetermined width and length.

As shown in FIG. 7 (b), the center portion of the molded hollow panel 10 has a predetermined bottom plate portion 10, and both sides thereof at a predetermined position in consideration of the predetermined area of both side wall portions 120 and in the longitudinal direction thereof. A process of cutting the plurality of bent cutout portions 20 that are refracted as a predetermined cross-sectional shape is performed.

As shown in (c) of FIG. 7, each of the bent cutout portions 20 are in contact with each other while refracting the base plate portion 10 at the center of the hollow panel 10. ) Lift up the prestationary station inward and erect it upright so that the overall shape is folded to achieve the intended channel shape.

As shown in (d) of FIG. 7, the bottom plate portion 10 and the side wall portions 120, both of which are folded in a predetermined channel shape, are formed by bending the corner portions 30 that are successively formed as bending cutout portions 20. As the welder 300 is to perform the step of closely welding welding to manufacture the drainage pipe 100.

[Effects of the Invention]

Looking at the effects of the drainage pipe and the manufacturing method of the present invention as described above are as follows.

First, the hollow panel of the single plate-shaped body is made to be folded to be folded and joined to the corners folded and folded, thereby simplifying the work process to reduce the hassle, work volume and work time according to the production. By making it possible to manufacture only hollow panels molded in the form of plate bodies, it is possible to significantly reduce the cost of manufacturing equipment through the miniaturization and simplification of the molding die, and thirdly, to various specifications required as one molding die. By making it possible to make it in a customized manner, it gives flexibility in manufacturing the drainage pipe. Fourth, the bottom plate part and both side wall parts are manufactured in a continuous form without being short-circuited as a single plate hollow panel, thereby ensuring more water tightness. Will have the effect and effect.

Claims (6)

It consists of a bottom plate portion 10 which is formed horizontally on the floor to have a channel shape as a whole formed by a hard synthetic resin, and both side wall portions 120 extending from both side edges of the bottom plate portion 10, the bottom The plate portion 10 and both side wall portions 120 are formed as a hollow panel 10 having a plurality of hollow portions 10a at equal intervals in the longitudinal direction in the interior formed as a double wall body, the bottom plate portion 10 and In consideration of the predetermined area of the both side wall portion 120, the hollow panel 10 of the single plate-like body is divided into equal parts to bend the plurality of bending cut portions 20 formed in a predetermined cross-sectional shape at a predetermined position in the longitudinal direction. (10) the bottom plate part 10 located at the center of the base station on both sides of the wall portion 120, both sides of the end to be erect straight, and both side wall portions 120, which are directly standing on both sides of the bottom plate portion 10 is bent incision Oysters as part 20 Drainage pipe, characterized in that by connecting each of the corner portion 30 is connected by welding. According to claim 1, the bent cuts 20 are substantially V-shaped, as shown in Fig. 2 showing an embodiment of the present invention, the inner angle (Q) is cut to form a right angle to the bottom plate portion 10 in series Drainage pipe, characterized in that both side wall portion 120 is built vertically. A bottom according to claim 1 or 2, as in the variant shown in FIG. 4, the bent cuts 20 are approximately V-shaped, with their interior angles Q ₁ cut off to form acute angles less than right angles. Drainage pipe, characterized in that the side wall portion 120 is connected to the plate portion 10 and the obtuse angle. According to claim 1, as shown in (a) of FIG. 5, the bottom plate portion 10 and both side wall portions (10) on the inner surface of one end of the two end wall portion 120 is directly erected and joined from the bottom plate portion 10 ( 120) the drainage pipe, characterized in that it is provided with a connecting plate 130 that is integrally joined throughout the projecting to the outside. According to claim 1, wherein both side wall portion 120 has a plurality of cover plate 140 formed to cover the upper end, the cover plate 140 is respectively installed on the upper end of the both side wall portion 120 A drainage pipe, characterized in that it is covered. The hollow panel 10 is extruded to have a predetermined width and length continuously as the molding die 200 of the synthetic resin extrusion machine, and the bottom plate portion 10 and a predetermined position in the longitudinal direction of the molded hollow panel 10 are formed. After forming the plurality of bending cutouts 20 in consideration of the predetermined area of both side wall parts 120, the bending cutouts 20 are refracted based on the predetermined area of the bottom plate part 10 in the center of the hollow panel 10. Both sides of the wall portion 120 to be in contact with the predetermined station to fold in a predetermined channel shape, the bottom plate portion 10 and both side wall portion 120 is bent incisions (20) to the corner portion (30). Method for producing a drainage pipe, characterized in that the manufacturing step by performing a step of welding welding as a synthetic resin welder 300 sequentially.

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