KR100849862B1 - The manhall - Google Patents

Abstract

A manhole is provided to protect workers and pedestrians from electric shocks by installing an insulating member at a part where a manhole cover and a guide member contact with each other. A manhole comprises a support body(10), a guide member(30), a manhole cover(20), an insulating member(40), and a locking unit(50). The support body is mounted on a pipe line installed under a road. The guide member mates with the support body, having a mounting projection(31) and hooking protrusions(33) with a hook. The mounting projection is formed on an interior surface of the guide member to support the manhole cover. The hooking protrusions, which are formed at the mounting projection, extend toward the center of the guide member. The manhole cover includes a flange(24) and a locking part(23). The locking part has an opening and a stopper. The hooking protrusion is inserted in the opening of the locking part. The locking unit includes the mounting projection and hooking protrusions of the guide member and the locking part of the manhole cover. The insulating member is disposed between the mounting projection of the guide member and the flange of the manhole cover.

Description

The Manhall

1 is an exploded perspective view showing a part of the combination of the manhole cover and the guide member and the support body in the present manhole configuration.

2 is a cross-sectional view illustrating a configuration in which an insulating member is formed at a seating jaw of the guide member and an outer portion of the manhole cover in the manhole configuration of the present invention.

Figure 3 is a bottom view of the manhole cover to which the present invention is applied.

Figure 4 is an enlarged cross-sectional view showing a main portion of the locking means formed in the seating jaw and the outer portion of the manhole cover of the guide member in the configuration of the present invention.

5 and 6 is an operating state diagram showing the configuration of the locking means formed on the guide member and the manhole cover in an embodiment of the present invention.

Explanation of symbols on main parts of drawing

10-Support Body 11-Mounting Hole

20-Manhole Cover 21-Entrance

22-engaging groove 23-intermittent

24-Seating part 30-Guide member

31-Seating jaw 32-Hanging part

33-Bump 34-Support Jaw

40-insulation 50-locking means

60-manhole

The present invention relates to a manhole, and more particularly, in the manhole configuration installed for communication and power lines to provide a locking means with an insulating member that can alleviate the impact as well as the insulating function to the contact portion between the guide member and the manhole cover. It is invented to improve the safety and durability of the product.

In general, underground transmission lines and underground distribution lines install underground pipelines to pass power lines.

Manholes are underground structures that are installed in the middle of the pipeline for construction, inspection, and other repair work such as cable entry, withdrawal, connection, etc., and are installed at every intermediate distance or at the end of underground lines.

The upper part of the manhole is provided with a doorway for a person to enter and exit, and for the sake of safety, a cover for closing the doorway is provided, which is a manhole cover.

Therefore, in recent years, there is a need for a configuration capable of securing durability and preventing an electric shock risk in a manhole configuration installed on a road.

The conventional manhole configuration as described above has been manufactured with steel that can withstand the load of a vehicle and the like because it is installed in a roadway or sidewalk.

However, since the manhole cover made of steel and the guide member on which the manhole cover is seated are formed of steel as described above, a shock caused by load is transmitted to the manhole while driving a vehicle, and thus durability of noise and impact is reduced. there was.

In addition, when a short circuit or the like occurs in a power line installed inside the manhole, electricity flows through the manhole formed of iron, and there is a closed end causing an electric shock accident for a pedestrian and an operator.

An object of the present invention is to improve the safety and durability of the product by installing an insulating member that can alleviate the insulation function and impact on the contact portion of the manhole cover and the guide member in the manhole configuration installed for communication and power lines To provide a manhole.

Another object of the present invention is to provide a manhole that can prevent the safety accidents due to durability and electric shock of the manhole in a relatively simple configuration to ensure product competitiveness.

An object of the present invention, the support body 10 is installed in the upper portion of the pipeline formed into the road;
It is coupled to the support body 10, the upper body inside the guide member 30 is provided with a seating jaw 31 for the installation of the manhole cover 20;
The seating jaw 31 of the guide member 30 and the outer seating portion 24 of the manhole cover 20 are predetermined positions protruding from both sides of the seating jaw 31 of the guide member 30 with respect to the center. And a locking protrusion 33 having a locking portion 32, and an entrance portion having one side open to a position corresponding to the locking protrusion 33 inside the outer seating portion 24 of the manhole cover 20. 21 and the locking means 50 is formed in communication with the access portion 21 and the intermittent portion 23 provided with the engaging groove 22 is extended to the other side.

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On the other hand, the insulating member 40 is installed between the seating jaw 31 of the guide member 30 and the seating portion 24 of the manhole cover 20.

Therefore, the intermittent force and the firmness at the time of mounting can be improved through the locking means at the time of mounting to the guide member.
In addition, as the seating jaw 31 of the guide member 30 for seating and supporting the manhole cover 20 and the outer seating portion 24 of the manhole cover 20, a rubber member and an insulating member made of synthetic resin of silicone or urethane series ( 40) is formed, it is possible to perform the insulation function when the electric shock caused by a short circuit.
Therefore, it is possible to secure the safety and durability of the product by mitigating the impact caused by contact when driving the vehicle.

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

1 is an insulated exploded perspective view showing a combined configuration of the manhole cover and the guide member and the support body in the manhole configuration of the present invention is formed with an insulating member on the inner seating jaw of the guide member to be seated and the outer seat of the manhole cover The configuration is shown in a partially disassembled perspective view.

Figure 2 is a cross-sectional view showing a configuration in which the insulating member is formed to the seating jaw of the guide member and the outer portion of the manhole cover in the manhole configuration of the present invention as shown in the enlarged right side of the manhole cover and a predetermined thickness on the seating jaw of the guide member; The structure in which the insulating member is formed is shown.

3 is a bottom view of the manhole cover to which the present invention is applied shows a configuration in which the locking means is formed at a predetermined position outside the bottom surface of the body.

4 to 6 illustrate the locking means formed on the manhole cover and the guide member according to the embodiment of the present invention, and shows a configuration in which the manhole cover is controlled by the guide member by a rotation method.

That is, as shown in Figure 1 to Figure 6, the manhole of the present invention forms an insulating member on the seating jaw of the guide member and the outer seating of the manhole cover coupled to the support body to ensure the insulation and shock mitigation function .

The support body 10 fixed to the upper part of the manhole 60 has a mounting hole 11 is formed outside the body as shown in the figure is fixed to the upper manhole 10 through the fixing member, the body The guide member 30 having a seating jaw 31 for installation of the manhole cover 20 is coupled to the inside.

In addition, a support jaw 34 is formed at the center of the body outer center of the guide member 30 so as to maintain a set height when the support body 10 is coupled to each other, thereby maintaining the height of the manhole cover 20 at a set height. Can be.

On the other hand, in the configuration of the present invention has a predetermined thickness between the seating jaw 31 portion of the guide member 30 and the outer seating portion 24 of the manhole cover 20 installed on the seating jaw 31 has an insulating member ( 40) is formed.

The insulating member 40 is formed of a rubber material, urethane, silicone, and soft synthetic resin material of synthetic resin material to secure electric insulation function by mitigating impact force due to a constant load and electric leakage.

In addition, as shown in FIG. 2, the insulating member 40 has side and bottom portions of the outer seating portion 24 of the manhole cover 20 and a curved side portion of the seating jaw 31 of the guide member 30. And at the contact portions of the and flat portions, respectively.

Therefore, as shown in the enlarged view in FIG. 2, the outer seat 24 of the manhole cover 20 and the seating jaw 31 of the guide member 30 installed on the inner seating jaw 31 of the guide member 30. Since the insulating member 40, which is an electrical insulating material, is interposed with a predetermined thickness, it is possible to perform the insulation function to alleviate the impact force due to the load during the installation and to prevent noise, and to prevent the electric shock accidents that may occur in the internal manhole after installation. It is.

4 and 6, the locking means 50 is formed at a predetermined position of the seating jaw 31 of the guide member 30 and the outer seating portion 24 of the manhole cover 20.

The locking means 50 is formed on both sides of the center of the seating jaw 31 of the guide member 30 has a projecting configuration on both sides is formed with a locking projection 33 having a locking portion 32, the manhole cover ( Inner side of the outer seating portion 24 is in communication with the access portion 21 and the access portion 21 and one side is opened to the position corresponding to the locking projection 33 and the locking groove 22 extends to the other side. It consists of an intermittent part 23 provided to be.

That is, the intermittent portion 23 of the manhole cover 20 is formed with an entrance portion 21 having one side open at opposite sides of the seating portion 24 as shown in FIG. 3, and the entry portion 21. The engaging groove 22 is formed to have a predetermined length in a configuration in communication with the inside.

In addition, the locking projection 33 having a locking portion 32 formed at an upper portion at a position corresponding to the intermittent portion 23 of the manhole cover 20 at an opposite position to the inner seating jaw 31 of the guide member 30. ) Is formed close to the seating jaw (31) outside, so that the operator can control the manhole cover 20 by rotating after installation of the manhole cover (20).

After all, when the initial manhole cover 20 is attached to the guide member 30, the interlocking portion 23 of the manhole cover 20 is primarily the catching portion 33 of the locking protrusion 33 of the guide member 30. When rotated to one side in the state positioned in the 32, the locking projection 33 constituting the locking portion 32 is rotated in the state entered through the entrance portion 21 of the manhole cover 20 while the entrance portion 21 Interruption is made while moving to the narrow engaging groove 22 in communication with.

In addition, when the manhole cover 20 is separated from the guide member 30, when the manhole cover 20 is rotated in the reverse order, the catching protrusion 33 moves in the reverse direction from the catching groove 22. Through the locking projection 33 is separated through the locking portion 32 is the manhole cover 20 is detachable.

As described above, the manhole of the present invention has a relatively simple configuration to improve the insulation function to prevent an electric shock accident that may occur when a short circuit, and to reduce the impact due to the load applied while driving the vehicle and to prevent noise.

And, when the manhole cover is attached to the guide member through the locking means can improve the intermittent force and firmness during mounting.

Therefore, it is a very useful invention that can improve the durability and reliability of the product.

Claims (3)

delete delete A support body 10 installed at an upper part of a pipe line formed inside the road; It is coupled to the support body 10, the upper body inside the guide member 30 is provided with a seating jaw 31 for the installation of the manhole cover 20; The seating jaw 31 of the guide member 30 and the outer seating portion 24 of the manhole cover 20 are predetermined positions protruding from both sides of the seating jaw 31 of the guide member 30 with respect to the center. And a locking protrusion 33 having a locking portion 32, and an entrance portion having one side open to a position corresponding to the locking protrusion 33 inside the outer seating portion 24 of the manhole cover 20. 21) and the manhole, characterized in that the locking means (50) consisting of an intermittent portion (23) provided in communication with the access portion 21 and the engaging groove (22) is extended to the other side.

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