KR200427575Y1 - Prefabricated small-sized manhole panel and prefabricated small-sized manhole using the same - Google Patents

Abstract

The present invention relates to a prefabricated small manhole panel and a prefabricated small manhole using the same, a locking jaw formed on the upper end, a plurality of coupling holes formed on one side thereof and a protrusion formed to protrude in the vertical direction on the opposite side of the one side. It includes, characterized in that a plurality of coupling holes are formed on the side of the protrusion.

According to the present invention, the manhole body is easy to install by assembling the prefabricated panel at the manhole construction site, and when replacing the manhole body, only the damaged panel can be replaced, thereby reducing time and cost according to construction.

Prefabricated, small manhole, torsion prevention part, height variable ring

Description

Prefabricated Small Manhole Panel and Prefabricated Small Manhole Using It {PREFABRICATED SMALL-SIZED MANHOLE PANEL AND PREFABRICATED SMALL-SIZED MANHOLE USING THE SAME}

1 is a perspective view showing a state in which a manhole cover is seated in a conventional small manhole,

Figure 2 is a perspective view showing a panel provided in the prefabricated small manhole of the present invention,

Figure 3 is a plan view showing a state before the panels of the prefabricated small manhole of the present invention,

Figure 4 is a perspective view showing a state in which the manhole cover is separated from the assembled manhole body of the prefabricated small manhole of the present invention,

Figure 5 is an exploded perspective view showing a state in which the variable height ring is inserted into the prefabricated small manhole of the present invention,

Figure 6 is a cross-sectional view of the A-A portion shown in Figure 4 of the prefabricated small manhole of the present invention.

Description of Drawings

100 manhole body 110: panel

111: engaging jaw 112: coupling hole

120: protrusion 121: coupling hole

153: fastening member 160: torsion prevention

180: conduit tube 200: height variable ring

202: seating portion 300: manhole cover

The present invention relates to a prefabricated small manhole panel and a prefabricated small manhole using the same. In particular, the present invention relates to a prefabricated small manhole panel and a prefabricated small manhole using the same, in which a plurality of panels are vertically installed and assembled vertically and a warp prevention portion is formed on the inner surface of the panel to prevent distortion.

In general, manholes are classified into small manholes or large manholes according to their size. Among them, the small manhole serves to connect or gather the conduit or sewer pipe with a diameter of about 60 cm.

As shown in Figure 1, the small manhole is composed of a manhole body 10, the conduit 18 is formed on the side of the manhole body 10, the manhole cover 30 is seated on the upper surface.

However, the manhole body 10 of the prior art is configured in one piece, there is a difficulty that the operator must carry the manhole body 10 to the manhole construction site. Moreover, when the manhole body 10 is aging, there is a problem that the manhole body 10 integrally cast by the worker is transferred and replaced as a whole.

In addition, the manhole cover 30 has a structure that is placed inside the manhole body 10. In this case, there is a height difference between the upper portion of the manhole body 10 and the road around the manhole body 10. In addition, when a large number of heavy trucks continuously pass the upper surface of the manhole cover 30, cracks may occur in the road around the manhole body 10, and the height of the manhole cover 30 may be different. In particular, in the case of a small manhole cover 30 having a diameter of about 60 cm, there is a problem that the manhole cover 30 may be detached due to the height difference as described above.

The purpose of the present invention for solving the problems as described above, a plurality of panels are coupled to facilitate the construction of the manhole, easy storage of these panels, for the prefabricated small manhole for replacing only the damaged panel in case of breakage of each panel To provide a panel and a prefabricated small manhole using the same.

It is another object of the present invention to provide a prefabricated small manhole panel and a prefabricated small manhole using the same, which are provided with a warp prevention part on the panel, and thus the panel is not fixed and distorted after assembly and construction.

Still another object of the present invention is to provide a prefabricated small manhole panel and a prefabricated small manhole using the same, in which the manhole cover is not detached due to an external impact using a height variable ring.

Prefabricated small manhole panel of the present invention for achieving the object as described above, the locking step formed on the upper end; A plurality of coupling holes formed at one side thereof; And a protrusion formed to protrude in a vertical direction on the opposite side of the one side, wherein a plurality of coupling holes are formed on the side of the protrusion.

In the prefabricated miniature manhole panel of the present invention, an anti-twist portion protruding to be adjacent to the plurality of coupling holes on the opposite side of the protrusion.

A prefabricated small manhole using a prefabricated small manhole panel assembled with a plurality of panels, the prefabricated small manhole having a plurality of joining holes and a plurality of joining holes of another panel adjacent to the panel to correspond to each other, and using the fastening member The ball and the coupling hole are fastened and assembled.

In the prefabricated small manhole of the present invention, the panel further comprises a height-variable ring seated on the locking jaw, the seat is formed on the inner circumferential surface of the height-variable ring, the seat hole is coupled to the manhole cover .

2 and 3, a preferred embodiment of the present invention will be described in detail.

The manhole body 100 of the prefabricated small manhole of the present invention has a structure in which a plurality of panels 110 are assembled and coupled.

As shown in FIG. 2, the panel 110 includes a locking jaw 111, a coupling hole 112, a protrusion 120, and a coupling hole 121. The locking jaw 111 is formed by cutting at the top of the panel 110. In addition, the locking jaw 111 may be a manhole cover 300 or the height-variable ring 200 is seated. In addition, one side surface of the panel 110 is a structure that can withstand a predetermined pressure by cutting a certain portion.

The coupling hole 112 is formed in plural on one side of the panel 110. In addition, the protrusion 120 is formed to protrude in the vertical direction on the opposite side of the one side. In addition, a plurality of the coupling holes 121 is formed at the side surface of the protrusion 120.

Here, the coupling member 153 for fastening and coupling the coupling hole 112 and the coupling hole 121 is further provided. Therefore, the plurality of coupling holes 112 are positioned to correspond to each other in the plurality of coupling holes 121 of the other panel 110 adjacent to the panel 110, the coupling hole using the fastening member 153. Manhole body 100 is configured by fastening and assembling the 112 and the coupling hole 121.

Specifically, the coupling hole 112 is formed through one end of the panel 110. In addition, a screw thread is formed in the coupling hole 112 to allow a screw or the like to be coupled thereto.

In addition, the coupling hole 121 is formed in a groove shape or penetrates through the other ends of the panels 110, and is provided at a position in communication with the coupling hole 112. In addition, a screw thread is formed in the coupling hole 121 so that screws or the like may be coupled thereto.

In addition, the fastening member 153 is a member having a screw thread formed to be mated with the thread of the coupling hole 112 and the coupling hole 121, the end of the fastening member 153 through the panel 110 horizontally The part can be exposed to the outside and fastened with the nut. In addition, the fastening member 153 is made of a material with little deformation of the screw thread and durable. For example, a reinforced plastic material or stainless steel may be used as the material of the fastening member 153.

In addition, the panel 110 as described above is formed (or cast) in a predetermined shape to facilitate storage. In addition, only the damaged panel 110 of the manhole body 100 assembled with the panel 110 may be easily replaced. That is, the coupling hole 121, the coupling hole 112, and the fastening member 153 may be replaced. ) Can be dismantled and only the broken panel can be separated and replaced with a good panel.

In addition, on the opposite surface of the protruding portion 120 of the panel 110, the anti-twist portion 160 protruding to be adjacent to the plurality of coupling holes 112 is formed. As shown in Figure 4, the warp prevention portion 160 is formed in a triangular prism, square pillar or a polyhedron shape. In other words, the distortion prevention unit 160 is preferably made of a right triangular prism shape that can prevent distortion with the other panel 110, it is preferable to be manufactured integrally with the panel 110. Alternatively, when the materials of the panels 110 are weldable materials (eg, cast iron, etc.), the panel 110 and the warping prevention part 160 are manufactured, respectively, and then the warping prevention part 160 is formed. The inner surface of the panel 110 may be welded. Specifically, the warp prevention portion 160 is manufactured in a shape that is in close contact with the inner surface of the panel 110 at a right angle. In addition, the distortion prevention unit 160 may serve to determine the position when assembling the panel 110. That is, the twist prevention part 160 is fixed until the panel 110 is coupled to the fastening member 153, etc., thereby enabling a more rapid manhole operation.

As shown in Figure 4, and, the mandrel jaw 111 is formed on the upper portion of the manhole body 100 is provided with a manhole cover 300.

In addition, the manhole body 100 has a structure in which the upper and lower portions are opened or only the upper portion is opened. That is, the manhole cover 300 may be seated on the open upper portion, and the wire may be provided in the conduit tube 180.

In addition, the manhole body 100 generally has an upper side portion formed in a rectangular shape, but may also be configured in a circular shape. That is, when the upper side of the panel 110 is a straight line shape, a polyhedral manhole body 100 may be manufactured. When the upper side of the panel 110 is an arc shape, a cylindrical manhole body 100 is formed. May be prepared.

In addition, the panel 110 is made of concrete or synthetic resin material. As a preferred embodiment of the present invention, the panel 110 is preferably made of a synthetic resin material made of recycled materials. Here, the synthetic resin material is preferably polycarbonate (PC; polycarbonate) or glass fiber reinforced plastic (FRP), and among these, polycarbonate is an environmentally friendly material that can be recycled without generating irritating toxic gases during combustion.

In addition, the polycarbonate is a high-strength plastic material having excellent impact resistance, heat resistance, cold resistance, and light weight, and when applied to the panel 110, may exhibit similar characteristics to existing concrete.

In addition, the panel 110 may have a structure in which an outer surface thereof is formed with a plurality of ribs (not shown) for strength reinforcement. That is, the panel 110 made of polycarbonate increases the durability of the manhole body 100 by forming curved or straight shapes on the outer surface thereof.

As shown in Figure 5, the prefabricated small manhole of the present invention may further include a height variable ring (200).

The height variable ring 200 is a device for eliminating the height difference between the floor of the road and the manhole body 100 caused by the embedding of concrete of the road repeatedly, and prevents the departure of the manhole cover 300. The height-variable ring 200 is a lower jaw (not shown) is formed, the upper portion is formed with a seating portion 202. It is installed between the manhole cover 300 and the manhole body 100. That is, a seating portion 202 having a “b” shape in cross section is formed at an upper portion of the manhole body 100. Then, the jaw of the height-variable ring 200, the bottom of which is the "b" shape is seated on the "b" shape upper surface. Here, the inner diameter of the upper portion formed in the manhole body 100 and the outer diameter of the height-variable ring 200 are the same.

The inner circumferential surface of the height variable ring 200 includes a vertical portion formed perpendicular to the ground along the inner circumferential surface and a flat portion protruding in the horizontal direction with the vertical portion and on which the manhole cover 300 may be seated. do. Therefore, the manhole cover 300 may be seated on the upper portion of the height variable ring 200.

It describes the use state and operation of the prefabricated small manhole of the present invention configured as described above.

First, excavate the ground to install the manhole. Then, the bottom of the excavated pit is leveled out. Then, a plurality of panels 110 are vertically divided so that a space is formed therein on the pit bottom which is leveled. Each of the panels 110 is coupled to a fastening member 153 or the like. That is, the fastening member 153 penetrates through the coupling holes 112 of the panel 110 and is inserted into the coupling hole 121. Therefore, by immediately assembling the panels 110 previously manufactured in the place where the manhole is to be formed, the manhole installation time can be shortened.

Then, the height variable ring 200 is seated on the upper part of the manhole. Then, the manhole cover 300 is seated on the height-variable ring 200. Therefore, it is possible to reduce the fear that the manhole cover 300 is easily separated by an external impact.

The prefabricated small manhole panel and the prefabricated small manhole using the same according to the present invention configured as described above are assembled by the prefabricated panel at the manhole construction site and install a manhole body, thereby simplifying the installation and shortening the construction period. In addition, a portion of one side of the panel is cut to reduce the material used and to withstand a predetermined pressure.

In addition, by replacing only the damaged panel when replacing the manhole, it is possible to reduce the time and cost according to the construction, it is easy to store because the shape of the panel is rectangular.

In addition, as the warpage prevention parts support the panels, warpage between the panels does not occur even if time passes after the panels are coupled. In addition, the panel is fixed by the distortion prevention unit when the fastening member or the like is coupled, thereby enabling a more stable and quick manhole assembly operation.

In addition, the height of the manhole cover can be installed in the same height as the road by the variable ring, it is possible to reduce the risk of being easily separated by an external impact.

Finally, by using a polycarbonate panel having little influence from temperature or moisture and having excellent insulation, no liquid or the like that comes into contact with the manhole body can be prevented from electric shock due to electricity or the like. In addition, the manufacturing cost of the manhole body can be reduced by using recycled polycarbonate material.

Although the present invention has been described in detail only with respect to the embodiments described, it will be apparent to those skilled in the art that various modifications and changes are possible within the technical spirit of the present invention, and such modifications and modifications belong to the appended utility model claims. will be.

Claims (4)

In the panel constituting the prefab small manhole, A locking jaw formed at the upper end thereof; A plurality of coupling holes formed at one side thereof; And A protrusion formed to protrude in a vertical direction on the opposite side of the one side; Including; Prefabricated small manhole panel, characterized in that a plurality of coupling holes are formed on the side of the protrusion. The method of claim 1, On the opposite side of the protrusion, The prefabricated miniature manhole panel further comprises a; warping prevention portion protruding to be adjacent to the plurality of coupling holes. In the prefabricated small manhole assembled with a plurality of panels of claim 1, The prefabricated miniature manhole, wherein the plurality of coupling holes of the panel and the plurality of coupling holes of another panel adjacent to the panel are positioned to correspond to each other, and the coupling hole and the coupling hole are fastened and assembled using a fastening member. The method of claim 3, A height-variable ring seated on the locking jaw of the panels; further comprising, The prefabricated compact manhole, characterized in that the seating portion is formed on the inner circumferential surface of the variable ring, the manhole cover is coupled to the seating portion.

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