KR101034530B1 - Maintenance water and sewage pipe - Google Patents

Abstract

The present invention relates to a water and sewage pipe for maintenance to use the water supply, drainage pipe, water supply, sewage pipe, etc. for a long time in underground or civil works, and in detail, rust or sediment due to long time use in the water supply and drainage pipe. It is an invention for a pipe of a simple structure to use a normal replacement of the supply and drainage pipe, a problem occurs due to the contamination or clogging of the moving water stacked.

Therefore, the present invention provides a rigid arc-shaped wall 22, which is curved at a predetermined angle so as to be inserted or separated in accordance with the inner space of the outer pipe 38, which is provided in a particularly large structure, and a flexible and flexible connecting rod ( Alternately integrally fused and connected 24 to each other, and assembling a plurality of arcuate pedestals 32 so as to easily connect and assemble at the connecting portion of the outer pipe 38 to be foldable by the connecting table 24, It is characterized by constituting the columnar pedestal (30).

Therefore, the present invention, when repairing for a long time use, while separating the arcuate pedestal 32 to be assembled and assembled, while the connection stand 24 of the inner side of the foldable inner pipe 20 rusted by the long-term use is bent The foldable pipe inserted into the inside is easily drawn out, and then the foldable inner pipe 20 to be used separately is inserted to form an insertion space 29, and the arc-shaped pedestal 32 is assembled into a plurality of connections with each other. It is composed of a column-shaped pedestal 30, but provided by assembling a simple connection device that is assembled to be fixed by fixing bolts. It is very economical and good to use as a blocking role of.

Inner pipe, hollow part, insertion space, arc support

Description

Maintenance water and sewage pipes {omitted}

The present invention relates to a water and sewage pipe for maintenance for use as a supply, drain pipe or water, sewage pipe in buildings or civil engineering structures.

In general, the pipes for the water supply and drainage use a larger sized pipe than the existing water supply and drainage pipes for local rain or typhoon.

In the present invention, the invention mainly for the drainage of a large-size pipe or box-type structure, it is buried underground in roads and civil engineering works by construction, it is difficult to use normally due to the accumulation of damage or sediment due to long-term use Difficulty in repairing or repairing the drainage pipe or cleaning, etc., makes it difficult to manage the existing pipe for water supply and drainage.

In addition, as a device for replacing the rust or contamination due to long-term use of the supply and drainage pipes for a separate insertion space, after installing a separate outer wall pipe on the wall or floor where the supply and drainage pipes are embedded, the supply and drainage pipes Is inserted into the insertion space, by connecting the end of the inserted water supply pipe with a separate connection pipe is used for drinking water or hot water supply.

In addition, when the water supply and drainage pipes are buried in the ground or the floor, the water supply and drainage may not be smooth due to the soil or soil deposited on the inner surface, so that the drainage may be blocked in the rainy season, resulting in a dispute. It works.

In addition, the present invention relates to a pipe used as a water supply, drainage pipe, water supply, sewage pipe, etc. More specifically, the foldable pipe for water and sewage pipe or conduit can reduce the logistics cost of transport by reducing the loading volume of the transport as possible It is about simple assembly.

In general, when buried in a road or underground formed as a compartment of a building, the site in which the water supply and drainage pipes are buried is further destroyed by crushing, and the polluted water supply and drainage pipes which are already buried are removed again and replaced separately. It has been used to bury the supply and drain pipes to be connected.

In addition, to form the insertion section by embedding the outer pipe for the replacement of the water supply pipe, the water supply, the drain pipe is inserted into the insertion section, it is used by connecting the both ends to a separate connecting pipe.

The circular synthetic resin pipes widely used as blast furnace, sewage pipe, or water supply and drainage pipe are buried in the ground and rusted or corroded due to long-term use. The cost increased due to the difficulty of the insertion process and caused delays in maintenance work.

The present invention is an invention for solving the conventional problems as described above, while providing a simple assembly at the construction site by connecting the supply and drain pipe integrally to the outer pipe buried in the building or underground, while blocking the noise generated by the use thereof In addition, it removes suspended matter or sediment accumulated inside the upper and sewage pipes due to prolonged use.In the case of a worker who enters the inside of the pipe and performs cleaning as necessary, Perfect cleaning is a very difficult task.

In addition, to reduce the volume of the upper, sewage pipes, and drainage pipes into the inner space of the outer pipe in the insertion process, and in one embodiment provides an easy pipe of the insertion process by providing the flexibility and thus integrated with the outer pipe It is an object of the present invention for reinforcement of workability by furnace assembly.

Therefore, the present invention has another object to provide an inner pipe that can be folded for the above purpose.

It is another object of the present invention to keep the inner pipe circular when in use.

In the pipe configured to connect with a rigid outer pipe 38 made of a circular shape and a connecting pipe 35 assembled thereto,
In order to fix the inner pipe 20 to the insertion space 29 formed by inserting the outer pipe 38 into the inner insertion space of the connecting pipe 35, a parking (40) at the end between the inner pipe and the outer pipe (40). By inserting) to form a connecting pipe 35 to assemble the insertion space 29 into the pedestal (30 '),

The inner pipe 20 is configured by alternately connecting the hard arc-shaped wall 22 and the soft connecting table 24,

On the inner side of the connecting pipe 35, an arc-shaped pedestal 32, in which arc-shaped supports 31 and 31a are formed, is assembled into a plurality and constituted by a columnar pedestal 30.

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In addition, the connecting rod 24 is formed by a flexible recess 24 'in the form of wrinkles in the longitudinal direction,
The protruding ribs 28 are formed in the flexible recesses 24 ′, so that they are uniformly configured in the insertion space 29.

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형의 보강프레임(49)을 형성하는 것을 특징으로 하는 발명이다.In addition, the inner pipe 20 is formed as an inner pipe 20 ′ between the hollow portion 47 and the groove portion 36 is formed of a spiral winding circuit connecting portion 43,
Cross section in the inner space of the hollow portion 47

The invention is characterized by forming a reinforcement frame 49 of the die.

In addition, the hollow portion 47 is formed as a convex portion 52, the spiral reinforcement core 44 is inserted, and the connecting portion 43 is characterized in that formed by the inner pipe (20 ") provided in the groove shape. It is an invention to make.

Therefore, the present invention is easy to repair and maintenance by the easy withdrawal of the foldable pipe or flexible pipe provided by inserting the inside of the water supply and drain pipe buried in the ground or the bottom surface, and also maintains the circular state during use, supply and drainage It is easy to use and therefore very economical.

Hereinafter, the configuration of the most preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

In the present invention, the foldable inner pipe 20 inserted into the inner space 29 formed by assembly of the outer pipe 38 embedded in the underground structure or underground structure of the building 35 is a plurality of arc-shaped walls 22. ) And the connecting rod 24 are alternately connected to each other to provide, and when drawing out the foldable inner pipe 20 for repair and repair, the flexible connecting rod 24 bends to form a folding type. In order to reduce the volume of the inner pipe 20, the invention is provided to facilitate withdrawal within the space range of the insertion space 29 described above.

The arc-shaped wall 22 has a predetermined thickness and is bent at a predetermined angle, and is made of a hard synthetic resin material or the like to withstand the external pressure and the internal hydraulic pressure.

In addition, the plurality of arc-shaped walls 22 and the connecting table 24 is configured in the longitudinal direction of the inner pipe 20 is formed alternately connected to each other, the size provided therein is assembled and pulled out at the construction site Provide the proper size.

In addition, in order to provide a bendable reinforcement for the connecting rod 24 to easily provide insertion and withdrawal into the inner space of the outer pipe 38, the flexible groove 24 ' It is preferable to form a plurality of up and down to form a wrinkle in the longitudinal direction (Fig. 5).

On the other hand, when the foldable inner pipe 20 to be inserted into the outer pipe 38 to be used in the field, the inner pipe 20 has a circular shape while freely moving in the inner space of the outer pipe 38. An arc-shaped support 31 is inserted into an end of the inner pipe 20 so that the arc-shaped support 32 is formed in a circumferential manner so as to coincide with an inner circumferential surface of the inner pipe 20. (31) (31a). And, it is made of an arc-shaped pedestal 32 so that the convex portion is formed in the outward direction in the middle portion of the arc-shaped support (31).

In addition, the support is formed in a columnar shape provided by assembling the arcuate support (31) (31a) ... in the inner end of the inner pipe 20 has a parking (40) on the outer surface of the inner pipe (20) The arc-shaped pedestal on the inner side of the connecting pipe 35 formed so as to be assembled, but inserted into the inner side of the end of the outer pipe 38 and connected to the outer side of the end of the outer pipe 38. The fixing tool 45 is formed on the 32 and the fixing bolt 46 is assembled to each other and provided to be fixed.

Therefore, the connection pipe 35 maintains a predetermined interval so that the arcuate pedestals 32 are assembled to each other by the fixing tool 45 between the outer pipes 38 connected by the connection pipe 35. The inner pipe 20 and the outer pipe 38, which are assembled in both directions, of the partition wall 33 protruding outward from the arc-shaped pedestal 32 connected by the second pipe 32, are formed. 9)

In order to produce the arc-shaped wall 22 of the present invention as described above, the tube is extruded in a state in which a plurality of evenly separated at regular intervals in the circumferential direction from the die lip of the die for the synthetic resin extruder, the arc-shaped wall (22) between the soft synthetic resin connecting rod 24 to form a flexible groove portion 27 in the longitudinal direction in the form of wrinkles and simultaneously extruded to integrally between the both edges of the arc-shaped wall (22) Weld and connect. Then, the inner pipe 20 thus produced is produced by cooling by passing through a known sizing and cooling water tank.

In addition, when the construction is to be performed in the field is formed by assembling each other a plurality of arcuate supports 31, 31 '.. of the connecting pipe 35 at the end of the foldable inner pipe 20 of the present invention. By inserting and connecting the pedestal 30, the folded inner pipe 20 again maintains a circular cross section.

Therefore, the folding pipe 20 can be easily inserted into the inner space of the outer pipe 38 by the work-in part due to the reduction in volume due to the folding, and the constructed inner pipe 20 again maintains a circular state. In addition, the drainage is smooth, it is an invention that is easily bent by the softness of the connecting table 24 when drawn out, it is easily drawn out from the insertion space 29 is provided to enable maintenance, repair at low cost.

In addition, the insertion space 29 between the foldable inner pipe 20 and the outer pipe 38 to be described above is formed as a space for drawing or inserting the foldable inner pipe 20 for the maintenance and repair, wherein the house building This is to solve noise and freeze caused by drainage from drainage and drainage pipes.

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Example 1

Here, the insertion space 29 is to maintain a uniform interval in the circumferential direction for the reinforcement to prevent noise or freezing.

In addition, the connecting table 24 formed of a soft synthetic resin forming the foldable inner pipe 20 is formed of a soft resin, and is intended to reinforce the assembly structure thereof as a product having flexibility.

In addition, the plurality of arc-shaped walls 22 are curved at a predetermined angle with a predetermined thickness, and a plurality of hollow spheres 21 are formed on the inside to withstand heat and water pressure inside, and are made of hard synthetic resin. (Fig. 4)

In addition, the connecting table 24 is made of a soft synthetic resin or elastic material, while the inner space (20) having a spaced portion 23 on both the inner and outer ends of the both ends of the arc-shaped wall 22 fused and bonded to each predetermined length (20) Protruding rib 28 is formed on the outer side of the hollow portion 21b is formed to protrude, the insertion space 29 is inserted into the insertion space 29 by providing an insertion space of a uniform space with each other to provide noise and freeze Reinforces the durability against (Fig. 6).

Example 2

The main part of the present invention for preventing the noise described above, since the insertion space 29 to be sealed should maintain a uniform interval in the circumferential direction, for the solution of this is integrated into the flexible groove 24 ' Protruding protruding tube 28 is provided to be configured to be inserted into the gap of the insertion space (29).

That is, it is preferable that the connecting rod 24 has a plurality of flexible groove portions 24 'formed up and down in the lateral direction to form a corrugation shape in the longitudinal direction.

Example 3

In order to provide the cylindrical outer pipe 38 with a rectangular box-shaped formwork 38 'with a cross section, the arc-shaped pedestal 32 is formed by an angle pedestal 32', and the inner An arc-shaped wall 22 forming the pipe 20 is formed as a flat wall 22 ', and the spaced portion 23 is formed while forming a plurality of hollow spheres 21 in the flat wall 22'. It is configured to form the insertion space (29 ') in accordance with the assembly operation during the inner space of the box-shaped outer formwork (38') so that the connecting table 24 is formed in the corner portion.

In addition, the hollow sphere 21 formed on the arc-shaped wall 22 described above is further formed so as to form a hollow sphere 21a so as to reinforce the durability and the external pressure strength of the inner pipe 20 to a larger standard. To be provided for the supply and drain pipe of (Fig. 6, 7) (Fig. 10).

Example 4

Description of the embodiment of the inner pipe 20, which is the main part of the present invention, as shown in the accompanying Figures 11 to 15, withdraw using the insertion space 29 of the inner space of the outer pipe 38 And to facilitate insertion,
It is also intended to explain an embodiment of the present invention provided to maintain the upper and lower pipes for maintenance, thereby maintaining the stretch and shrinkage in the longitudinal direction.
Therefore, in the embodiment for providing the inner pipe 20, the inner pipe is formed of the spiral winding circuit connecting portion 43 between the groove portion 36 between the hollow portion 47 wound around the spiral winding while being formed in a predetermined size As the invention provided by 20 ', the hollow part 47 formed especially with a spiral winding is provided with a spiral winding so that the outer shape of the inner pipe 20' may be maintained. In addition, the connecting portion 43 between the spiral wound hollow portion 47 is formed with the groove portion 36 to the outer surface of the inner pipe (20 '), provided by providing a flexible material, reinforce the flexibility As an invention provided as the inner pipe 20 ', which is an invention to facilitate insertion and withdrawal into the inner space of the outer pipe 38.

형의 보강프레임(49)을 형성하는 것을 특징으로 하는 발명이다.Further, in order to reinforce the rigidity of the hollow portion 47 of the spiral structure, the hollow portion 47 has a cross section along the spiral winding direction.

The invention is characterized by forming a reinforcement frame 49 of the die.

External pressure reinforcement for the water supply and sewage pipes provided herein is provided by being supported by the outer pipe 38 described above, so that the use of the external pressure reinforcement for the spiral reinforced inner pipe 20 'provided by the present invention. Will be wide.

형의 보강프레임(49) 뿐만 아니라

형, □형과 같이 여러 형태의 구조를 제공하여도 본 발명의 청구범위에 속한다고 할 것이다.(도14 내지 도15)In addition, the structure of the reinforcing frame 49 of the hollow portion 47 has a cross-section

As well as the reinforcement frame 49

It will be said to belong to the claims of the present invention even if it provides various types of structures, such as a mold, a □.

[Example 5]

Description of another structure for the inner pipe 20 'which is an embodiment of the present invention is shown in the accompanying Figure 16, the groove portion 36 between the hollow portion 47 is connected to the spiral winding circuit connecting portion 43 Description of the inner pipe 20 'is formed in the outer pipe 38 used in the construction site construction in the sewage pipe of Ø100 ~ 200m / m, which is the size of the intermediate standard mainly used in the process of inserting and drawing out In order to provide a variety of construction for the inner pipe of the appropriate size, in order to perform the repair by replacing the inner pipe (20 ') when the drainage is clogged due to the accumulation of sediment or sediment, such as due to long-term use. As the above invention, the hollow portion 47 is formed of a soft resin formed of a convex portion 52 and the concave portion formed by the concave portion 52 so that the availability is reinforced, but inserts a hard spiral reinforcement core 44 To as to form an inner pipe (20 ") which is provided over.

1 is a partial perspective view of a pipe according to the invention

2 is a cross-sectional view taken along the line A-A in FIG.

3 is a partial perspective view of the embodiment of the pipe according to FIG. 1;

4 is a cross-sectional view taken along the line B-B in FIG.

5 is a perspective view of a pipe according to another embodiment of the present invention;

6a, b are partially enlarged sectional views of Examples 1 and 2 for the main part in FIG.

7 is a state in which the pipe folded according to the present invention

8 is a partial cross-sectional view of a use state of the main part of the present invention.

9 is a perspective view of a main part according to the present invention;

10 is a partial cross-sectional view of the embodiment of the main part in FIG.

11 is a partial cross-sectional view of a state of use of the main portion of the present invention for the embodiment.

12 is a partial perspective view of the main portion separated from FIG.

13 is a cross-sectional view taken along the line C-C in FIG.

14 is a partial cross-sectional view of the embodiment of the main part in FIG.

15 is a partial cross-sectional view of the use state in FIG. 14.

16 is a partial cross-sectional view of the embodiment of the main part in FIG.

<Code Description of Main Parts of Drawing>

20: inner pipe 21, 21a, 21b: hollow part 22: arc-shaped wall 23: separation part

24: connecting rod 28: protruding rib 29: insertion space 31,31a: arc-shaped support

32: arc-shaped pedestal 32 ': angle pedestal 33: bulkhead 35: connector

36: groove 38: outer pipe 38 ': box type drainage pipe 40: parking

43 connection part 44 spiral reinforcement core 45 fastener 47 hollow part

49: reinforcement frame 52: convex portion

Claims (5)

In the pipe configured to connect with a rigid outer pipe 38 made of a circular shape and a connecting pipe 35 assembled thereto, In order to fix the inner pipe 20 to the insertion space 29 formed by inserting the outer pipe 38 into the inner insertion space of the connecting pipe 35, a parking portion 40 is formed at an end portion between the inner pipe and the outer pipe. By inserting) to form a connecting pipe 35 to assemble the insertion space 29 into the pedestal (30 '), The inner pipe 20 is configured by alternately connecting the hard arc-shaped wall 22 and the soft connecting table 24, Water and sewage pipe for maintenance, characterized in that configured to be formed in the columnar pedestal 30 to the arcuate pedestal 32 to form an arcuate support (31, 31a) on the inner side of the connecting pipe (35) . Claim 2 has been abandoned due to the setting registration fee. The method of claim 1, The connecting rod 24 is formed by a flexible recess 24 'in the form of wrinkles in the longitudinal direction, Maintenance water and sewage pipe, characterized in that the insertion space 29 is formed uniformly by forming a protruding rib 28 in the flexible groove portion (24 '). delete Claim 4 was abandoned when the registration fee was paid. The method of claim 1, The inner pipe 20 is formed as an inner pipe 20 'between the hollow portion 47 and the groove portion 36 is formed of a spiral winding circuit connecting portion 43, Cross section in the inner space of the hollow portion 47

Water and sewage pipe for maintenance, characterized in that to form a reinforcement frame (49) of the type. Claim 5 was abandoned upon payment of a set-up fee. The method of claim 4, wherein The hollow part 47 is formed as a convex part 52, and the spiral reinforcing core 44 is inserted into the hollow part 47, The connection part 43 is a maintenance water and sewage pipe, characterized in that formed by the inner pipe (20 ") provided in the groove type.

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