KR20140039851A

KR20140039851A - Combine structure for manhole and pipe

Info

Publication number: KR20140039851A
Application number: KR1020120106620A
Authority: KR
Inventors: 강동효
Original assignee: 알파특수콘크리트(주)
Priority date: 2012-09-25
Filing date: 2012-09-25
Publication date: 2014-04-02

Abstract

The present invention relates to an exponential pipe coupling structure of a manhole characterized by facilitating connection of a water pipe between manholes formed at intervals of a predetermined length or more by providing an inclined portion in the coupling used when the manhole and the water pipe are coupled. .
Manhole water pipe coupling structure of the manhole of the present invention for achieving the above object, is formed in the lower portion of the manhole, the exponent which is a passage for the pipe for various sewage, living and industrial water supply or for various telecommunications A coupling surface to which a plurality of bolts are formed at an outer side thereof so that the pipe line is coupled; A through hole formed on the center of the coupling surface and penetrating the inside and the outside of the manhole; It is formed in the through-hole, the water pipe close contact jaw fixed to one end of the water pipe is fixed; An index pipe insertion unit in which one end of the index pipe is fixed to the index pipe closet jaw, and an outer surface of the index pipe closes to a certain portion from one end of the index pipe; And a manhole formed between the coupling surface from the end of the still water pipe inserting portion, the packing inserting portion formed to be inclined at an angle to the outside from the still water pipe inserting portion; A packing hole through which an index pipe passes through the center, and a packing having an inclined surface formed at an outer side thereof to be inserted into the packing insertion unit; And a coupling hole through which an exponential pipe passes, and a coupling step protruding a predetermined length in a coupling direction with a packing is formed at an inner circumference of the coupling hole, and formed to have a predetermined thickness in the radial direction from the coupling step. The coupling inclined portion is formed along the circumference, and the coupling inclined portion is formed of a coupling formed with a plurality of bolt insertion holes, the bolt formed on the outer side of the coupling surface formed in the manhole bolt of the coupling After inserting the insertion hole is characterized in that the fixed by the washer and nut.

Description

Combine structure for manhole and pipe}

The present invention relates to an exponential pipe coupling structure of a manhole, and more particularly, by providing an inclined portion in the coupling used when the manhole and the exponential pipe coupling, it is easy to connect the exponential pipe between the manhole formed at intervals of a predetermined length or more. It relates to a water pipe coupling structure of the manhole characterized in that.

The manhole is a facility installed underground to allow people to enter and exit. The manhole is connected to a water supply pipe for supplying sewage, living water, or industrial water, or a water pipe such as an electric or communication line, and the manhole is a water pipe. It is installed every certain length with the gap between. That is, the water pipe is to be installed for the connection between the manhole, the lower portion of the manhole is formed with one or more connecting grooves that can be connected to the water pipe.

In order for the manholes to be easily connected by the water pipe, the connecting grooves of the manholes that are opposite to each other need to be exactly opposed. However, the manhole has a side surface that is not easy to ensure that the connection groove is inserted exactly the exponential pipe is inserted in a certain length, generally 25 to 40m or more intervals.

Manhole is a concrete structure with a considerable weight, and it is common to install it at a certain position underground by lifting it with a crane or the like. Should be done. However, since it is very difficult to work so that the connection grooves of the manhole having a distance of 25 ~ 40m or more by using a device such as a crane, it is a general situation that a certain gap is formed between the connection hole of the manhole and the water pipe. The gap is used to seal by drying the cement, but the crack is generated as the cement is dried, and there is a problem that the fluid flows from the inside of the manhole and contaminates the soil under constant influence by the fluid flowing through the manhole.

Korean Patent Publication No. 10-0699517 (Registration Date: 2007.03.19.) Relates to the structure of the manhole connecting water pipe for preventing leakage, by foaming the foam after curing the concrete to pour leak It is characterized by filling the space of concrete. However, the technique has a limitation in that it is not possible to present a technical matter for preventing leakage due to a gap formed between the connection groove of the manhole and the water pipe when the opposite angle of the connection groove between the manholes is shifted. Korean Registered Patent Publication No. 10-0890825 (Registration Date: 2009.03.20.) Relates to a molding mold and a manufacturing method of a prefabricated prefabricated concrete manhole block. However, there is a problem that the manufacturing cost can be increased because the configuration is excessively complex, there is a limit that requires a double work that needs to adjust the angle separately after connecting the water pipe between the manhole.

KR 10-0699517 B1 2007.03.19. KR 10-0890825 B1 2009.03.20.

The present invention was created to solve the problems of the prior art, according to the present invention, by providing an inclined portion in the coupling used for the connection between the manhole and the water pipe, the water pipe connected between the manhole formed at regular intervals It is related to the structure of the coupling of the water pipe of the manhole, which facilitates and ensures watertightness.

Manhole water pipe coupling structure of the manhole of the present invention for achieving the above object, is formed in the lower portion of the manhole, the exponent which is a passage for the pipe for various sewage, living and industrial water supply or for various telecommunications A coupling surface to which a plurality of bolts are formed at an outer side thereof so that the pipe line is coupled; A through hole formed on the center of the coupling surface and penetrating the inside and the outside of the manhole; It is formed in the through-hole, the water pipe close contact jaw fixed to one end of the water pipe is fixed; An index pipe insertion unit in which one end of the index pipe is fixed to the index pipe closet jaw, and an outer surface of the index pipe closes to a certain portion from one end of the index pipe; And a manhole formed between the coupling surface from the end of the still water pipe inserting portion, the packing inserting portion formed to be inclined at an angle to the outside from the still water pipe inserting portion;

A packing hole through which an index pipe passes through the center, and a packing having an inclined surface formed at an outer side thereof to be inserted into the packing insertion unit; And a coupling hole through which an exponential pipe passes, and a coupling step protruding a predetermined length in a coupling direction with a packing is formed at an inner circumference of the coupling hole, and formed to have a predetermined thickness in the radial direction from the coupling step. The coupling inclined portion is formed along the circumference, and the coupling inclined portion is formed of a coupling formed with a plurality of bolt insertion holes, the bolt formed on the outer side of the coupling surface formed in the manhole bolt of the coupling After inserting the insertion hole is characterized in that the fixed by the washer and nut.

In addition, the coupling inclined portion of the mandrel of the manhole of the present invention is characterized in that the inclined height is formed inclined in the circumferential direction and has an inclined high point portion and an inclined bottom portion.

In addition, the angle formed by the inclined fixing portion and the inclined bottom portion of the coupling inclined portion of the mandrel of the manhole of the present invention is characterized in that it is formed in the range of 1 ~ 5 °.

In addition, at least four bolt insertion holes are formed in the coupling of the water pipe coupling structure of the manhole of the present invention.

According to the present invention, even when the inserts between the manholes connected through the water pipes do not coincide exactly, it is possible to easily connect through the inclined portion of the coupling.

In addition, according to the present invention, there is no gap between the insertion part of the manhole and the water pipe, so it is not necessary to cure the concrete by pouring it separately, and it is economical, and there is no risk of cracking and leakage after curing according to the concrete pouring. This is guaranteed.

In addition, according to the present invention, a separate complicated configuration and work process can be omitted to shorten the working period for the angle adjustment between the manhole and the water pipe and ensure watertightness.

In addition, according to the present invention, the watertightness is improved through a double form through the packing and the coupling inclined portion of the rubber material.

1 is an exploded perspective view showing a state in which the water pipe is fixed to the coupling surface formed in the manhole of the present invention.
2 is a view showing a packing applied to the present invention.
3 is a view showing a coupling applied to the present invention.
Figure 4 is a view showing a combined appearance of the packing and the coupling applied to the present invention.
Figure 5 is a front sectional view showing a state in which the water pipe is coupled to the manhole in accordance with the present invention.
Figure 6 is a cross-sectional view showing a state in which the water pipe is coupled to the manhole in accordance with the present invention.
7 is a view showing an embodiment between the manhole is connected using the present invention.

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

1 is a view showing the water pipe 200 is fixed to the coupling surface 110 formed in the manhole 100 of the present invention, the coupling for coupling the water pipe 200 to the lower side of the manhole 100 It can be seen that the surface 110 is formed. The coupling surface 110 is formed to have a flat state without curvature so that the coupling 400 and the manhole for coupling the water pipe 200 to the manhole can be easily coupled. It is common that the manhole has a cylindrical structure. In the present invention, a portion of the lower portion of the cylindrical manhole is formed as a flat surface without curvature so that the coupling surface 110 to which the coupling 400 can be coupled is formed. . The through hole 120 is formed through the inside and the outside of the manhole at the center portion of the coupling surface 110, and the bolt 160 is formed around the center portion where the through hole 120 is formed. The bolt 160 is inserted into the bolt insertion hole 430 formed on the outside of the coupling 400 and then coupled by the nut 170 so that the water pipe 200 can be fixedly coupled to the manhole 100. do.

Inside the through hole 120, the water pipe close contact projection 130 is formed at a predetermined depth from the coupling surface 110. The index pipe close contact 130 is to ensure that the index pipe 200 is inserted and fixed, one end of the index pipe 200 is inserted through the through-hole 120 and then inserted into the index pipe 200 The end of the hanging is fixed to the water pipe close contact (130). The inner diameter (內徑) of the through hole 120 is preferably formed to have a length that can be in close contact with the water supply pipe 200, the water supply pipe of a predetermined length inserted into the through hole the outer surface formed inside the through hole By being in close contact with the pipe insertion unit 140, a certain degree of watertightness can be secured without pouring mortar.

The packing insertion part 150 may be formed between the coupling surface from the end of the water pipe insertion part 140. The packing 300 to be described later is formed of a rubber material to ensure watertight between the inside and the outside of the manhole, and the packing 300 applied to the present invention has an inclined surface 320 formed on one side thereof. The inclined surface 320 is inserted into the packing inserting part 150 to be coupled to a certain portion to seal between the inside and the outside of the manhole, and the packing inserting part 150 is inclined outwardly at an angle from the water pipe insertion part 140. To ensure close contact with the inclined surface of the packing. The inclination angle of the packing inserting portion 150 is preferably formed at the same angle as the inclined surface of the packing, but is not particularly limited, but preferably to achieve an angle of 20 ~ 70 °.

Referring to Figure 1, it can be seen that the water pipe 200 is inserted into the through-hole 120 on the center of the coupling surface formed in the lower portion of the manhole, the water pipe 200 is coupled to the manhole 100 It can be seen that the packing 300 and the coupling 400 to be used. Figure 2 is a view showing a packing applied to the present invention, Figure 2a shows a perspective view, Figure 2b shows a sectional view. A packing hole 310 is formed in the center of the packing 300 to allow the water pipe 200 to pass therethrough, and an inclined surface 320 is formed at an outer side of the packing, and the inclined surface 320 is inserted into the packing. While being in close contact with the portion 150 to ensure the watertightness of the manhole. The inner diameter of the packing hole 310 is equal to or slightly smaller than the outer diameter of the water pipe 200 so that the outer diameter of the water pipe 200 may be in close contact with the inner diameter of the packing hole 310. It is desirable to. The packing 300 is made of a resilient rubber material, and contracted in accordance with the pressure due to the coupling of the manhole and the coupling 400 so that the inside and outside of the manhole can be sealed.

3 is a view illustrating a coupling 400 applied to the present invention, in which a coupling hole 410 through which an exponential pipe 200 passes is formed, and a couple protruding at a predetermined length from the coupling hole 410. It can be seen that the ring step 420 is formed in one direction of the coupling.

In addition, the coupling slope 440 is formed to have a predetermined thickness in the radial direction from the coupling step 420, but the coupling slope 440 is formed along the coupling step 420 in the circumferential direction. do. The coupling stepped portion 420 and the coupling inclination portion 440 are formed in the direction in which the coupling 300 and the coupling direction described above, the coupling inclination portion 440, like the packing 300, the elastic rubber material When the packing 300 and the coupling inclined portion 440 is in close contact with each other, the watertightness may be ensured.

A bolt insertion hole 430 is formed outside the coupling 400, and the bolt insertion hole 430 is inserted into the bolt 160 formed on the coupling surface of the manhole and coupled to the nut.

Coupling 400 is generally formed of a metallic rigid material, the coupling step 420 is also formed of the same material to be formed integrally, the coupling step 420 is coupled to the packing 300 When fitting into the interior of the packing hole 310. The inner diameter of the coupling hole 410 is equal to or slightly larger than the outer diameter of the water pipe 200 so that the water pipe 200 can be tightly fixed by the coupling 400.

Coupling inclination portion 440 applied to the present invention is characterized in that there is a difference in the height of the projection. That is, the coupling inclined portion 440 is formed to be inclined in the circumferential direction, and thus has the longest inclined high point 441 and the lowest inclined low point 442 having the highest projected height. Referring to FIG. 3A, it can be seen that a coupling step 420 is formed at a height of a predetermined length from the coupling hole 410 on one side of the coupling 440, and is fixed around the coupling step 420. It can be seen that the coupling inclination portion 440 having a thickness is formed, and a plurality of bolt insertion holes 430 are formed on the outer surface. FIG. 3B illustrates a surface coupled to the packing 300, FIG. 3C illustrates a surface facing outward when the coupling 300 is coupled, and FIG. 3D illustrates a coupling 400 having an inclined high point part 441 and an inclined bottom part 442 formed therein. The cross section showing () is shown.

The protrusion height of the inclined high point portion 441 of the coupling inclination portion is not particularly limited, but is preferably formed to be equal to or slightly lower than the protrusion height of the coupling step 420. In addition, in the case of the inclined bottom portion 442, it is formed to the same extent as the outer surface of the metallic coupling or slightly protruded from the coupling surface. Referring to FIG. 3D, which shows a cross section of the coupling 400 having the inclined high point part 441 and the inclined bottom part 442 formed therein, the surface and the coupling formed of the inclined high point part 441 and the inclined bottom part 442. The angle (θ) formed by the (400) plane is to be formed in the range of 1 to 5 °, preferably 2 to 3 °.

The present invention is for easily coupling the water pipes connected between the manholes provided at intervals of a predetermined length or more, and facilitates the connection to the water pipes even when the through-holes between the manholes are partially displaced from the mutually opposite positions. This is to prevent leakage between the inside and outside of the manhole due to mortar pouring. Although it is not easy to install the through holes between the manholes opposite to each other when installing the manholes, the gap between the through holes of the manholes in the actual work site is about 2 to 3 °, which is not very large. However, since the distance between manholes is about 25 to 40m, even if the gap between the through holes is minute, the difference due to the gap between the through holes may be greater than a predetermined length. In the present invention, even if there is a deviation between the through-holes of the manhole, by appropriately using the coupling inclined portion, it is possible to fundamentally prevent the cracks and leaks that occur when the mortar is poured in the space between the conventional water pipe and the manhole.

A plurality of bolt insertion holes 430 are formed outside the coupling 400 of the present invention. The bolt insertion hole 430 is to be inserted into the bolt 160 formed on the coupling surface 110 of the manhole is coupled to the nut, the bolt insertion hole 430 according to the present invention is to be formed at least four, Preferably at least eight can be formed. The shift between the through-holes of the opposing manholes may vary in any of left, right, up and down directions. It is necessary to rotate the coupling inclined portion 440 at multiple angles according to the direction of the misalignment or the magnitude of the misalignment angle. For precise angle adjustment, it is preferable to form as many bolt insertion holes 430 as possible for fixing. Therefore, the present invention forms at least four bolt insertion holes, but preferably eight or more to allow fine angle adjustment.

Figure 4 is a cross-sectional view showing a state in which the packing 300 and the coupling 400 is applied to the present invention, the inclined high point portion 441 and the inclined bottom portion 442 of the coupling 400 is a packing 300 Combined with). Referring to FIG. 4, it can be seen that the coupling step of the inclined bottom part 442 is partially inserted into the packing 300, and the coupling step of the inclined high point part 441 is an inclined high point part ( It can be seen that only a part can be inserted by the height of 441). According to the present invention, the rubber packing 300 and the coupling inclined portion 440 are contracted and coupled to each other, thereby preventing the leakage of the manhole, thereby improving watertightness.

5 and 6 are front cross-sectional views and planar cross-sectional views showing the coupling of the exponential pipeline to the manhole in accordance with the present invention, when there is a deviation between the through-holes of the opposing manhole, the coupling inclined portion 440 for the deviation angle It can be seen that the watertightness can be guaranteed by ensuring that. Taking the enlarged view of FIG. 5 as an example, it can be seen that the inclined high point part 441 is located at the top and the inclined bottom part 442 is located at the bottom, which is a coupling when the through-hole of the opposing manhole is located at the bottom. By easily coping with the inclined portion 440, it can be seen that watertightness can be ensured without placing mortar outside the engagement surface of the manhole.

Figure 7 shows an embodiment in which the exponential pipe is connected between the manhole by using the present invention, the cracks and leaks according to the conventional mortar casting is solved through the coupling inclined portion 440, thereby simplifying the work, The dual effect of ensuring watertightness can be seen. According to the present invention, the bolt insertion hole 430 of the coupling is inserted into the bolt 160 of the manhole coupling surface, and then the nut 170 is coupled to the bolt 160 to tighten the water pipe 200 and the manhole 100. ) Can be combined. When the rubber packing 300 and the coupling inclined portion 440 is contracted to be combined, the sealing is made and the watertightness between the inside and the outside of the manhole is doubled, and when there is a deviation between the through holes of the opposing manhole, the coupling inclination By easily responding using the unit 440, it is possible to prevent cracks and leaks caused by conventional mortar casting.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

100: manhole 200: water pipe
110: mating surface 120: through hole
130: close contact with the index pipe 140: inserting the index pipe
150: packing inserting part 160: bolt
170: nut
300: packing 310: packing hole
320: slope 400: coupling
410: coupling hole 420: coupling step
430: bolt insertion hole 440: coupling inclined portion
441: slope high point 442: slope low point
θ: angle formed between the surface consisting of the slope high point and the slope low point and the coupling surface

Claims

In the water pipe coupling structure of the manhole,
At least one coupling surface formed at a lower portion of the manhole and having a plurality of bolts formed at an outer side thereof such that a water pipe for supplying various sewage, living and industrial water or a water pipe for the communication for various telecommunications is coupled;
A through hole formed on the center of the coupling surface and penetrating the inside and the outside of the manhole;
It is formed in the through-hole, the water pipe close contact jaw fixed to one end of the water pipe is fixed;
An index pipe insertion unit in which one end of the index pipe is fixed to the index pipe closet jaw, and an outer surface of the index pipe closes to a certain portion from one end of the index pipe; And
A packing insertion portion formed between the end surfaces of the water pipe insertion portion from an end thereof, the packing insertion portion being inclined at an angle from the water pipe insertion portion to be formed outwardly;
A manhole made of;
A packing hole through which an index pipe passes through the center, and a packing having an inclined surface formed at an outer side thereof to be inserted into the packing insertion unit; And
A coupling hole through which an exponential pipe passes is formed at a center thereof, and a coupling step protruding a predetermined length in a coupling direction with a packing is formed at an inner circumference of the coupling hole, and is formed to have a predetermined thickness in the radial direction from the coupling step. The coupling inclined portion is formed along the circumference, and is formed of a coupling in which a plurality of bolt insertion holes are formed outside the coupling inclined portion.
The mandrel coupling structure of the manhole, characterized in that the bolt insertion hole of the coupling is inserted into the bolt formed on the outer side of the coupling surface formed in the manhole and then fixed by a nut.

The method of claim 1,
The coupling inclined portion of the mandrel is coupled to the circumferential direction is formed to be inclined in height, the inclined pipe coupling structure of the manhole characterized in that it has an inclined high point and an inclined low point.

3. The method of claim 2,
The angle between the inclined fixing portion and the inclined bottom portion of the coupling inclined portion is an exponential pipe coupling structure of the manhole, characterized in that made in the range of 1 ~ 5 °.

The method of claim 1,
Mandrel pipe coupling structure of the manhole, characterized in that the four or more bolt insertion holes formed in the coupling is formed.