KR101287038B1 - Manhole connector and it's connecting shape - Google Patents

Abstract

The present invention relates to a manhole connecting port and a connection pipe connecting structure, the outer diameter of the tube 41 having a size that is adapted to the inner diameter 31 of the connecting tube 30, and formed on one side end of the tube connecting tube of the manhole The manhole connection port is constituted by the flange 42 fixed to the inlet port 20, the tube body 41 of the manhole connector port 40 faces outward, and the flange 42 is connected to the connector tube inlet port 20 of the manhole lower structure 12. The manhole lower sphere 12 and the connection port 42 are integrally molded so as to be fixed to each other, and the tube of the connection port is inserted into the inner diameter 31 of the connection pipe 30 constituting the conduit with the manhole installed in the ground. The manhole connecting pipe connecting structure is configured so that the manhole and the connecting pipe are connected by fixing to (32).

Description

MANHOLE CONNECTOR AND IT'S CONNECTING SHAPE}

The present invention relates to a manhole connection port consisting of a pipe body and a flange, and a connection structure for connecting the connection pipe and the manhole using the connection port. Specifically, the manhole connector is constructed by forming a manhole connector with a flange fixed to the connector inlet of the manhole and a tube fitted to the inner diameter of the connector, and the manhole connector is formed in advance at the connector inlet of the manhole. The present invention relates to a manhole connector connecting structure for coupling a connector to be fitted and bonded to the inner diameter of the connector.

Manholes are installed in sewage, storm water, water pipes, telecommunications, electrical pipes, turning heads, heads, and branching points, and are used for the purpose of conduits, facility maintenance, confluence of water and facilities, and branching.

In general, the manhole is assembled from the bottom to the lower sphere, the vertical sphere, the inclined sphere and the height adjustment ring are connected to the watertight structure by the male and female connecting structure and the rubber chamber, and the manhole cover frame and the lid are coupled to the upper portion, and a foot tread plate is installed inside. Has In addition, the sewage or rainwater manhole is inverted to suit the fall of the inlet and outlet pipes.

If water leaks occur at the joint connecting the pipe and the manhole sphere in the sewage or rainwater manhole, three-dimensional deformation of the manhole and the pipe due to settlement or movement of soil and cracks will occur. It cannot be done effectively. Electric or communication manholes or constant manholes lose the watertightness between the conduit and the manhole sphere through the manhole's lower sphere, and underground inflow fills the inside of the manhole to control the electrical and communication facilities or the control valves of the water pipe. Safe maintenance of the facility is not possible.

Infiltration through the manhole cover and the male and female connections and inflows at the manhole connections are caused by structural degradation of the manhole. That is, three-dimensional deformation occurs due to the settlement or movement of soil as freeze-thawing is repeated, and the stress caused by the deformation acts on the weak points such as the connection between the connection pipe and the manhole and leaks due to the loosening of the connection. Will be generated.

In this way, the leakage of manholes and joints and the three-dimensional deformation of manholes and joints act as mutual causes and consequences, reducing the durability of conduits and manholes. It can lead to collapse.

Connection structure to prevent leakage of manhole and manhole connecting pipe. A hole anchor bolt is planted around the entrance of the conventional manhole sphere, and then the flange of the connection pipe is fixedly connected. A socket is formed at the inlet of the manhole sphere. The structure for fixing the spigot structure and each modification form is applied.

Republic of Korea Patent Registration 10-0680871 (2007.02.02) is shown in Figure 1, in the inlet manhole is provided with a connection socket for the connection to the pipe on the inlet / drain side, the connector socket 14 is the first invert (13) The inner diameter of the connector socket 14 is integrally formed with the invert manhole by concrete pouring during the manufacturing of the manhole 10, and the connection socket 14 is fitted with the expansion end portion integrally formed at the end of the pipe. A stepped portion 14a is formed in the pipe connection socket inverted manhole, wherein a bolting hole 14b is formed at equal intervals so that the flange can be bolted in the circumferential direction of the outer surface exposed to the outside of the manhole. Suggesting.

Republic of Korea Patent 10-0749823 (2007.08.09) shown in Figure 2, the socket-shaped connector 31 is embedded when forming the manhole main body 300 to insert the connection tube 310 and then reinforced member 380 The structure of reinforcing coupling is presented.

The existing connection structure according to the above is applied to the invert manhole for sewage or rainwater, and the connection hole of the manhole is formed into the socket structure or the socket-type connection port of the manhole is formed by inserting the connection pipe into the inner diameter of the connection hole and fixing it. This method is applied.

However, this structure can not absorb the stress concentration at the connection due to the three-dimensional deformation caused by the uneven settlement of the manhole and the conduit ground, leading to primary relaxation at the joint and secondary failure due to cracking. .

In addition, the structure is a coupling structure in which the connection pipe is inserted into the socket by the spigot structure of the socket structure and the connection pipe of the manhole connection pipe inlet, the material of the connection pipe is made of concrete fume pipe or synthetic resin pipe or cast Even in the case of a tube or a mixed tube, the contact surface of the contact surface is not processed and maintained due to the flatness, dimensional error, and accurate original state of the contact bonding surface. The voids formed by the gap are difficult to construct because they do not leak and fill the adhesive or binder, causing leakage and separating the adhesive surface, and the heterogeneity between the manhole and the filler and the connection pipe is separated over time. And cracks, leading to leakage due to relaxation.

On the other hand, Korean Patent No. 10-0698889 (2007.03.16) is to solve the leak problem for the water supply manhole, as shown in Figure 3, the manhole main body 100 through which the water supply pipe 300 passes 110 (110) ) Is connected to the connection socket (200), the connection flange (310) and fasteners (100) formed on the outer periphery of the water supply pipe (300) in a state where the rubber packing 250 for sealing is interposed on one side of the connection socket (200) 400, the interconnection structure is presented.

The structure is a structure that blocks the inflow of water into the manhole by the watertight coupling structure of the fastener and the rubber packing formed in the water pipe in a state in which the connection hole of the fastener integral type is formed in the manhole sphere in advance, and the leakage blocking effect and structural Safety can be exerted, but the compatibility of the conduit to the manhole and the compatibility of the manhole to the conduit, there is a disadvantage that the maintenance is difficult as the fastener is buried underground.

KR 10-0680871 (2007.02.02) KR 10-0749823 (2007.08.09) KR 10-0698889 (2007.03.16)

The present invention is universally applicable to manholes used for various purposes, such as sewage, water pipes, water pipes, and communication pipes, and prevents cracking, loosening, and separation of the wj connection even in three-dimensional deformation due to uneven sedimentation or erosion of the ground. The purpose of the present invention is to present a manhole connection port which can maintain the connection function and leakage prevention function of the manhole and the connection pipe.

In addition, an object of the present invention is to provide a manhole connection pipe connection structure that can easily connect and connect the connection pipe and the manhole using the above-described connection port, and can improve the durability of the connection part.

Manhole connector according to the present invention for this purpose is characterized in that the outer diameter is composed of a pipe having a size that is adapted to the inner diameter of the connection pipe, and a flange formed on one side end of the tube and fixed to the connection pipe inlet of the manhole lower sphere It is done.

In addition, the manhole connecting port according to the present invention is characterized in that a corrugation portion is formed between the tube body and the flange of the connecting port, and the elastic function is provided by the corrugation portion in the connection state of the manhole and the connecting tube.

In addition, the manhole connector according to the present invention is characterized in that a wedge-shaped bite is formed at the tip of the tube body of the connector to restrict the manhole from the connector.

The manhole connecting pipe connecting structure according to the present invention integrally forms the manhole lower sphere and the connecting port so that the pipe of the manhole connecting port faces outward and the flange is fixed to the connecting pipe inlet of the lower hole of the manhole, and the manhole is installed in the ground. It characterized in that the connection between the manhole and the connection pipe is made by inserting the pipe body of the connection port to the inner diameter of the connection pipe constituting the conduit in the state and fixed with an adhesive.

In addition, the manhole connection pipe connection structure according to the present invention, one side is fitted with a spigot structure to the end of the pipe body of the connection port, the other side is fitted into the connection pipe outer diameter side extending through the connection pipe inlet into the manhole and fixing means It characterized in that it further comprises a waterproof cover that is tightly fixed in a watertight structure by.

The manhole connector and manhole connector connection structure according to the present invention is formed in the concrete molding step of manufacturing the lower sphere of the manhole by forming the flange of the connector at the inlet position of the connector in the insert state integrally with the lower sphere in the connector and the manhole coupling portion Watertightness is continuously maintained, and the tubular body of the splice is glued in a state fitted to the inner diameter of the splice, so that the watertightness is continuously maintained at the splice and the splice coupling portion.

In addition, after the manhole is set in the installation position and the connection tube is arranged, the adhesive is applied to the outer surface of the tube and the inner surface of the tube, and then the tube is pushed against the tube to complete the connection between the manhole and the tube. do. Therefore, it is possible to significantly shorten the manhole connection pipe connecting process, such as the existing assembly, fixing, grouting or filling process.

 In addition, in the present invention, since the corrugation portion having the expansion joint function between the tubular body and the flange is formed, even when the three-dimensional relative displacement of the manhole and the connecting tube occurs due to uneven settlement, the splice is connected to the spigot and the corrugated body and the corrugated portion By absorbing this to alleviate the stress, it is possible to prevent leakage due to loosening or deformation at the connection pipe connection.

In addition, the wedge-shaped bit opening formed at the distal end of the tube can enable one-touch connection between the tube and the manhole, and can be effectively suppressed from being separated from the joint even if a force of release is applied to the tube.

In addition, in the manhole connecting pipe connection structure according to the present invention, the waterproof cover is a constant manhole or a communication or electric pipe through the manhole, the water pipe passes through the manhole and connected to the control side in the manhole, the control box inside the manhole It can be effectively applied to the underground infiltration water into the manhole by applying to the communication or electrical manhole connected.

1 to 3 is a conventional manhole connection structure
4 is a connection structure of the manhole connector and the manhole connector according to the present invention
5 is an embodiment of a manhole connector according to the present invention
6 is an exemplary embodiment of a manhole connector having a pleated portion
7 is an exemplary embodiment of a manhole connector formed with a wedge-shaped engagement portion;
8 is an embodiment of the blade formed in the connection port
9 is an exemplary embodiment in which an extension tube is formed in a connection port
10 is another embodiment of the manhole connector connection structure
11 is an embodiment of the present invention applied to the connection pipe through-hole manhole

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

4 is a coupling state diagram for illustrating a manhole connector and a connection pipe connecting structure according to the present invention, and FIG. 5 shows a basic structure of the manhole connector according to the present invention.

In the manhole 10 shown in FIG. 4, the lower sphere 11, the vertical sphere 12, and the height adjustment ring 13 are connected to the watertight structure by the male and female connection structures 14 and the rubber chamber 15 from the bottom. Assembled, the manhole cover base 16 and the lid 17 is coupled to the top, the inside is to apply the present invention to the general wastewater and rainwater manhole is installed foot step plate 18.

A connection pipe inlet 20 for connecting the connection pipe 30 to the lower sphere of the manhole is formed, and an invert (19) for connecting the connection pipe inlet inside the manhole is formed.

The connection pipe 30 may be described as a general sewage pipe which may be made of a concrete fume pipe, a synthetic resin pipe, or may be separated into a casting pipe or a mixing pipe (laminated pipe).

The connection pipe inlet 20 is formed in advance when forming the lower sphere of the manhole, and is formed for the purpose of connecting the connection pipe and the manhole or penetrating the connection pipe. At least two connection pipe inlets are formed in the manhole, part of which is used to obtain wastewater, and the rest of which is used to extract the received wastewater.

As shown in FIGS. 4 and 5, the manhole connector 40 according to the present invention has a tube body 41 having a size whose outer diameter is fitted to the inner diameter 31 of the connector tube 30, and one side end of the tube body. It is characterized in that it is formed in the flange 42 is fixed to the connection pipe inlet 20 of the manhole.

The connector 40 may be made of metals such as stainless steel or galvanized steel having corrosion resistance, and may be made of a synthetic resin tube such as engineering plastics having high strength.

The connection port is inserted into and fixed in advance in the connection pipe inlet 20 of the manhole when forming the manhole and integrated with the manhole, and is coupled in a spigot structure with respect to the connection pipe. This is different from the structure in which the connection pipe inlet 20 of the manhole in the existing structure to the socket structure, the connection pipe to the socket of the manhole by fitting the connection pipe to the spigot structure. Thereby effectively absorbing the stress at the joint due to the three-dimensional relative deformation in the mating state of the manhole and the connecting tube, thereby preventing leakage by preventing secondary deformation of cracks, relaxation or separation. Will be.

6 illustrates a structure in which a corrugation portion 43 is formed between the pipe body 41 and the flange 42 of the connector 40 as another embodiment of the manhole connector according to the present invention.

The corrugation part 43 according to the embodiment absorbs the relative displacement of the manhole and the connection tube caused by partial erosion or unequal sedimentation of the ground layer in the state of engagement with the connection tube to prevent cracking, relaxation, or adhesive separation. Improve long-term commonality That is, when the relative three-dimensional displacement occurs in the connection portion, the wrinkle portion is stretched to absorb the concentrated stress to protect the adhesive portion that is weak.

7 shows a structure in which a wedge-shaped bite 44 is formed at the tip of the tube of the manhole according to another embodiment of the present invention.

The wedge-shaped bit opening 44 according to the embodiment enables the manhole and the connection pipe to be connected by one touch when the connection pipe is connected, thereby improving workability, and restraining displacement in the connection state to stabilize the adhesive force of the initial connection adhesive. In addition, the separation of the connection pipe is suppressed to effectively prevent the loosening and separation at the connection part. When the connection pipe made of synthetic resin is used, the watertightness is further improved by the bite caused by the wedge action.

In addition, in order to improve adhesion and watertightness between the connection port and the manhole lower sphere, the connection port may form a wing 45 outside the flange as shown in FIG. 8, and as shown in FIG. 9, the manhole It is possible to obtain an effect of improving the watertightness by forming the extension pipe body 46 inward and eliminating the use of formwork for forming the connection pipe inlet when forming the lower sphere.

The manhole connection pipe connection structure according to the present invention has a manhole lower portion such that the tube 41 of the manhole connector 40 faces outward and the flange 42 is fixed to the connector tube inlet 20 of the manhole lower sphere 12. The sphere 12 and the connection port 42 are integrally formed, and the tube body of the connection port is fixed to the inner diameter 31 of the connection pipe 30 constituting the conduit in the state where the manhole is installed in the ground, and fixed with an adhesive 32. It is characterized in that the connection between the manhole and the connection pipe is made.

As shown in FIG. 4, the manhole connector 40 forms a connector tube inlet 20 so that a space 21 into which the connector tube can be inserted is formed between the tube body of the connector and the connector tube inlet 20. As shown in FIG. 10, the manhole connecting pipe connecting structure can be configured in such a manner that the pipe body 41 of the connecting port is in close contact with the inner wall of the connecting pipe inlet 20 without space.

The former finishes the tubular body of the manhole opening 40 so as not to protrude to the outer wall of the lower manhole of the manhole, thereby preventing damage to the connector 40 formed during the transport and installation of the manhole sphere. (20) There is an advantage to be protected from external factors because it is located inside.

The latter provides the advantages of easy checking and adhesion, and easy maintenance by the end of the manhole connector 40 and the connection pipe in the exposed area.

The joints of the manhole connection and the connection pipe may be protected by water-expandable rubber or watertight concrete, if necessary.

Although the manhole connector 40 and the manhole connector tube structure described above have been described with respect to wastewater or storm manholes, the present invention can be effectively applied to communication, electricity, or water supply manholes.

As mentioned above, connection tube through-type manholes, such as communication, electricity, or water supply manholes, have a problem of penetration of groundwater in the manholes.

Figure 11 shows a structure that can effectively suppress the penetration of groundwater in the communication or electricity or tap water manhole structure by coupling the waterproof cover 50 to the manhole connection pipe connection structure.

The waterproof cover according to the present invention is one side is fitted with a spigot structure to the front end of the tubular body of the connection port 40, the other side is fitted into the outer diameter side of the connection pipe 30 'extending through the connection pipe inlet to the inside of the manhole, The fixing means 51 is tightly fixed to the watertight structure.

The connection pipe 30 ′ is directly connected to the control valve or the control device 60 through the preformed connection port as it is.

The waterproof cover has a manhole lower sphere 12 and a connection port 42 such that the tube 41 of the manhole connector 40 faces outward and the flange 42 is fixed to the connector tube inlet 20 of the manhole lower sphere 12. ) Is integrally molded, and the pipe body of the connection port is coupled to a waterproof cover of rubber material, one side of which is fitted to the outer diameter side of the through-type connection pipe 30 ', and the connection forming the conduit with the manhole installed in the ground. The front end of the pipe 30 'penetrates the waterproof cover 50 and the pipe body 41 and extends into the manhole to be coupled to the control device 60. The waterproof cover and the connection pipe are watertight by the fixing means 51. It constitutes a manhole connector connection structure that is tightly fixed.

The connector 40 and the waterproof cover 50 according to the present invention are made of a waterproof cover made of a flexible material without using a rigid water-settled joint in order to maintain watertightness at the passage of the connection pipe 30 'of the manhole. The use of 50) is different from the existing structure, and the existing manhole connection port is limited in use, such as waste water or rainwater or water pipes, electrical or communication pipes, while the present invention can secure versatility.

Fixing means 51 is to enhance the adhesion between the waterproof cover and the connecting pipe to exhibit watertightness can be applied as a clip band or the like.

The connection pipe through-type manhole is not connected to the structure in which the manhole and the connection pipe are directly coupled to each other, but is connected to the connection port by a waterproof cover having flexibility. Therefore, even if a three-dimensional displacement such as uneven settlement does not affect each other, it is possible to effectively prevent the inflow of groundwater in the manhole.

10: manhole
11: lower sphere 12: vertical sphere 13: height adjustment ring
14: Male and female connection structure 15: Rubber seal 16: Manhole cover
17: lid 18: foot tread 19: invert
20: entrance entrance 21: space
30: connector 31: inner diameter 32: adhesive
40: manhole connection 41: pipe 42: flange
43: wrinkle portion 44: mouth hole 45: wing
50: waterproof cover 51: fixing means 60: control device

Claims (7)

The outer diameter is composed of a tubular body 41 having a size that fits the inner diameter 31 of the connection pipe 30 and a flange 42 formed at one side end of the tube and fixed to the connection pipe inlet 20 of the manhole, Manhole connection port characterized in that the blade (45) is formed on the outside of the flange (42).
The outer diameter is composed of a tubular body 41 having a size that fits the inner diameter 31 of the connection pipe 30 and a flange 42 formed at one side end of the tube and fixed to the connection pipe inlet 20 of the manhole,
Manhole connector characterized in that the extension pipe 46 is formed so as to face the inside of the manhole when fixed to the connection pipe inlet.
The manhole lower sphere 12 and the connector so that the pipe body 41 of the manhole connector 40 of claim 1 or 2 faces outward and the flange 42 is fixed to the connector tube inlet 20 of the manhole lower sphere 12. (42) integrally molded, and the pipe body of the connection port is coupled to the waterproof cover of a rubber material, one side is fitted to the outer diameter side of the through-type connection pipe 30 ', and constitutes a conduit with the manhole installed in the ground The front end portion of the connecting pipe 30 'which extends into the manhole through the waterproof cover 50 and the tube 41 is coupled to the control device 60, the waterproof cover and the connecting pipe by the fixing means 51 Manhole connector connection structure, characterized in that tightly fixed by watertight structure. delete delete delete delete

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