KR100607571B1 - Inner cover of telecommunication manhole - Google Patents

Abstract

The present invention relates to an inner cover of a telecommunication manhole.

According to an aspect of the present invention, there is provided an inner cover in which an unlocking device is formed to be unlocked on a manhole body, and an inner cover of a telecommunication manhole configured to cover an outer cover on an upper portion of the manhole body, wherein the unlocking device is located below the inner cover. Wherein, the unlocking device is formed to be inserted into the long hole is formed in the guide hole of the casing is inserted, the needle shaft is formed to be eccentric to the lower portion of the disk member formed with a square shaft to be inserted into the long hole, the through hole is formed The casing cover is inserted into the casing to form the square shaft to protrude upward, and is composed of a flange having a fixing hole in the upper portion of the casing.

Therefore, it prevents the inflow of foreign matter into the manhole body constituting the manhole, preventing power loss and data loss due to short circuits, etc. There is an effect that can prevent the cable or the like from being intentionally broken.

Manhole, outer cover, inner cover, movable piece

Description

Inner cover of telecommunication manhole

1 is a bottom perspective view of an inner cover according to the present invention;

Figure 2 is an exploded perspective view showing the unlocking means of the inner cover according to the present invention.

Figure 3 is a longitudinal sectional view of the manhole according to the present invention.

4 is a perspective view showing a state in which the outer cover of the manhole according to the present invention is removed.

Figure 5 is a bottom perspective view of the inner cover used in the manhole according to the present invention.

6a to c is an operating state diagram showing a locked state of the inner cover according to the present invention.

<Brief description of symbols for the main parts of the drawings>

1: unlocking device 2: inner cover

4: outer cover 11: casing

12,12 ': Information Hall 13: Operation

13a: long hole 14: disc member

14a: square axis 14b: needle axis

15: Casing cover 15a: Through hole

16: Flange 16a: Fixed hole

22a, 22a ': Hole 23: Handle member

23a, 23a ': Screw part 24: Loosening prevention nut

41: Main part 41 ': The first expansion part

41 ": 2nd expansion part

The present invention relates to an inner cover of a telecommunication manhole, and in particular, by blocking the inside of the manhole body in double, preventing the entry of foreign matter into the inside to prevent losses due to short circuits, etc. And a third party other than the operator may arbitrarily open the manhole to prevent damages by deliberately damaging the cable installed therein.

In general, electrical and telecommunication facilities (hereinafter referred to as cables) have the characteristics of lines and networks, and when they are efficiently installed and managed, various conveniences can be obtained. If you fail to do this, you will be inconvenient in your life and take a lot of time and money. Therefore, integrated and systematic management of these cables will continue as social overhead capital.

These cables were initially installed in high spaces using telegraph poles and are now installed in underground spaces such as underground and underground waterways of roads for space utilization and urban aesthetics.

However, a manhole is installed, which is connected to the ground to manage the connection terminals, which are intermediate areas, with all cables except the server and client ends buried underground.

The manhole is provided so that a passageway for personnel and equipment for management and manipulation is provided by connecting the underground and the ground where the buried material is installed, and in general, this material is introduced into the interior from the outside to interfere with or manage the management. The inner cover and the outer cover are configured to cover the upper part of the manhole body to prevent contamination of the object.

The manhole is configured in such a way that the manhole body is fixed to the upper part of which an interior space is provided by using concrete, and an outer cover is mounted on the upper part of the manhole.

In addition, the manhole body has a periphery consisting of a circular or angular ring to provide an inlet with an open shape in the center, and the inner cover is configured to be placed by an auxiliary support member extending inwardly with the periphery formed at the top of the periphery. have.

However, the outer cover and the inner cover prevent rainwater from entering the inside of the manhole body and prevent abnormality in the cable communication line. Or if you open the outer cover and inner cover arbitrarily and break the cable inside, there is no way to prevent the damage.

In order to prevent such damage, "Inner cover of electric / communication manhole" of Korean Utility Model Registration No. 163422 (1999.10.1) has been proposed, and the proposed inner cover is a keyhole formed on the upper surface of the inner cover and fasteners on both sides. A handle coupled to the hinge is installed; Sealing packing is installed to be coupled to the outer periphery; A key box having a locking piece installed at one side of the bottom surface to be rotated by a key coupled through the key ball; The other side of the key box is coupled to one end is fixed and the other end is provided with a plurality of engaging pieces to prevent moisture from penetrating into the manhole from the outside and at the same time prevents the inner cover other than the manager to open the wrong connection of the cable In order to prevent the occurrence of communication failure due to a short circuit or a short circuit, the unlocking of the inner cover is opened and closed due to the operation of the lock piece by a specific key. In addition, there was another problem that the key is not inserted when foreign matters are blocked in the keyhole.

In addition, as a separate key box is provided for unlocking the inner cover, the process of fixing the inner cover requires more work process, resulting in an inefficient problem of lowering the yield of the product and increasing its cost. there was.

The present invention has been made in order to solve such a problem, and prevents the inflow of foreign matter into the inside of the manhole body constituting the manhole to prevent power loss and data loss due to short circuit, etc. It is an object of the present invention to provide an inner cover of a telecommunication manhole that can reduce damage by preventing a third party from arbitrarily opening a manhole and damaging a cable installed therein.

형태를 갖는 손잡이부재(23)가 삽입되어지며 손잡이부재(23)의 양측 하단에 나사부(23a)(23a')를 형성하여 풀림방지 너트(24)가 체결되고, 밑면에

형태를 갖는 록킹 고정편(21)의 타측이 고정되어지며 일측이 밑면으로 부터 이격되어지는 형태를 갖도록 인너 커버(2)가 형성되어 맨홀 몸체(3)에 안착되어지고, 상기 인너커버(2)에 언록킹 장치(1)를 구비하여 맨홀 몸체(3)에 언록킹 되도록 구성되어지고, 상기 맨홀 몸체(3)의 상부에 아우터 커버(4)가 덮여지도록 구성된 전기통신용 맨홀의 인너 커버에 있어서, 상기 언록킹 장치(1)는 상부만이 개방된 원통형 함체형태를 갖는 케이싱(11)의 하부 양측벽에 장공형태를 갖는 안내홀(12)(12')이 형성되어지며 그 케이싱(11)의 상부에 고정공(16a)을 갖는 플랜지(16)가 형성되어지고, 장공(13a)이 형성된 가동편(13)이 상기 안내홀(12)(12')에 삽입되도록 형성되어지고, 사각축(14a)이 형성된 원판부재(14)의 하부에 편심되도록 형성된 니들축(14b)이 상기 장공(13a)에 삽입되어지고, 상기 사각축(14a)이 상부로 돌출되도록 관통공(15a)이 형성된 케이싱 커버(15)를 케이싱(11)에 억찌꺼워맞춤으로 삽입되어짐을 특징으로 하는 전기통신용 맨홀의 인너 커버를 제공함에 그 목적이 달성된다.The present invention for achieving the above object is a plurality of holes (22a) (22a ') formed on both sides of the upper

The handle member 23 having a shape is inserted, and threaded portions 23a and 23a 'are formed at both lower ends of the handle member 23 so that the loosening nut 24 is fastened to the bottom surface.

The inner cover 2 is formed so that the other side of the locking fixing piece 21 having the shape is fixed and one side is spaced from the bottom surface and is seated on the manhole body 3, and the inner cover 2 In the inner cover of the telecommunications manhole which is configured to be unlocked to the manhole body (3) having an unlocking device (1), the outer cover (4) is covered on the upper part of the manhole body (3), The unlocking device 1 has guide holes 12 and 12 ′ having a long hole shape formed at both side walls of the lower side of the casing 11 having a cylindrical enclosure in which only the upper part is opened. A flange 16 having a fixing hole 16a is formed at an upper portion thereof, a movable piece 13 having a long hole 13a formed therein is formed to be inserted into the guide holes 12 and 12 ', and a square shaft ( The needle shaft 14b, which is formed to be eccentric to the lower portion of the disc member 14 on which the 14a is formed, is inserted into the long hole 13a. The inner cover of the telecommunications manhole is characterized in that the casing cover 15 having the through hole 15a is inserted into the casing 11 so as to be projected upward so that the square shaft 14a protrudes upward. The object is achieved.

Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

Manhole A for telecommunications in which the inner cover according to the present invention is installed is shown in FIGS. 1 to 5, the unlocking device 1, the inner cover 2, the manhole body 3, and the outer cover 4. It is composed of

The unlocking device 1 is installed in a position opposite to the locking fixing piece 21 formed in the inner cover 2 to selectively unlock the inner cover 2 to the engaging jaw 37 of the casing 11, The movable piece 13, the disc member 14, and the casing cover 15 are comprised.

Here, the casing 11 is formed so as to have the shape of a cylindrical housing with only an upper portion open, and guide holes 12 and 12 'having the shape of a long hole face each other on both side walls of the lower portion thereof. At the upper edge, a flange 16 having a plurality of fixing holes 16a is integrally formed.

The movable piece 13 is provided to be unlocked to the locking jaw 37 by reciprocating left and right by a needle shaft 14b formed at a lower portion of the disc member 14, which will be described later. The long hole 13a is integrally formed in the center of 13).

The disc member 14 is rotated by the handle 6 shown in phantom in FIG. 2 to operate the movable piece 13 back and forth or left and right in the casing 11 in a shape having a predetermined diameter. It is inserted.

In addition, an upper portion of the disc member 14 has a square shaft 14a fitted to the handle 6 in a direction perpendicular to the center thereof, and a lower portion of the needle shaft 14b having a predetermined diameter is formed from the center thereof. It is formed to be spaced apart at regular intervals, the side eccentric form is inserted into the long hole (13a) of the movable piece (13).

The casing cover 15 has a function of preventing the disc member 14 inserted into the casing 11 from being exposed to the outside and being separated from the casing 11. The through hole 15a is integrally formed so that the square shaft 14a formed on the upper portion of the disc member 14 is exposed upward.

The inner cover 2 prevents foreign substances introduced through the outer cover 4 and the support jaw 34 from being introduced into the interior through the center of the manhole body 3 and at the same time, in addition to the manager or worker from the outside. It is provided to have a main function of preventing a third party from entering the inside.

To this end, the inner cover (2) is selected by the locking fixing piece 21 and the unlocking device (1) formed on both sides of the lower side at the same time the outer periphery of the edge is seated on the upper portion of the locking jaw (37). It is provided so that it can be unlocked.

" 형태를 갖는 손잡이부재(23)가 삽입 되도록 구비되어 평상시는 손잡이부재(23)의 수직인 부분이 구멍(22a)(22a')을 통해 하부로 삽입되어 수평부분이 플레이트(17)의 상부에 맞닿아 있는 형태를 취하도록 구비되어 있고, 그 일측에는 삽입공(25)이 형성되어 후술하는 핸들(6)의 하단이 삽입되도록 형성되어 있다.In addition, the inner cover 2 forms a plurality of holes 22a and 22a 'at both sides of the plate 17 having a circular shape.

"The handle member 23 having a shape is provided to be inserted so that the vertical portion of the handle member 23 is inserted downward through the holes 22a and 22a ', so that the horizontal portion is placed on the upper portion of the plate 17. It is provided to take the form that abuts, and the insertion hole 25 is formed in one side, it is formed so that the lower end of the handle 6 to be described later is inserted.

The end portion of the handle member 23 is bent toward the bottom to form a threaded portion (23a) (23a '), the fastening prevention nut 24 is fastened by the manager or worker by the inner cover (2) ) Can be easily opened or closed.

" 를 갖도록 구성하는 것이 더욱 바람직하다.The locking fixing piece 21 seats the inner cover 2 to the upper portion of the locking jaw 37 formed inside the manhole body 3 and at the same time, the locking cover 21 is inserted into the lower portion of the locking jaw 37. It is fixed to the lower part of (2), and the other side is formed so that it may take the form of a pipe which has a predetermined elastic force. This locking fixture 21 is "

More preferably.

The manhole body 3 is fixed to the upper portion of the concrete housing 5 buried in the form of a box on the ground to form a ring-shaped edge portion 32 formed with a plurality of fixing holes 32a at the lower edge of the concrete It is formed to be fixed by the anchor bolt 51 formed on the upper portion of the housing 5, the outer support member 33 formed in the vertical direction on the inner side of the edge portion 32 is reinforced by a plurality of ribs (34). It is formed to have a structure.

In addition, the upper end of the outer support member 33 to form a support jaw 35 toward the inner bottom to support the lower edge of the outer cover 4 and at the same time take the form of the outer cover 4 is inserted. It is formed so as to prevent the upper surface, including the outer peripheral surface of the outer cover 4 to protrude upward.

In addition, an inner support member 36 is formed at a lower end of the outer support member 33 to support the lower portion of the outer cover 4 at a predetermined distance from the inner wall thereof. A locking jaw 37 having a ring shape is integrally formed at the inner circumference.

In the present invention, the inner support member 36 is formed higher than the height of the support jaw 35 formed inside the upper end of the outer support member 33 to insert the recess portion 41 formed in the outer cover 4 to be described later It is desirable to.

The outer cover 4 is provided to have a form that is seated on the support jaw 35 formed on the upper portion of the manhole body 3, the upper or lower portion so as to withstand the load or impact applied from the outside sufficiently A plurality of reinforcing protrusions and grooves are integrally formed in the groove.

In addition, a ring-shaped recess 41 is formed at the place where the inner support member 36 near the edge of the lower portion is formed so as to be stably seated in the middle of the manhole body 3.

The recessed part 41 integrally forms the second expansion part 41 "above the first expansion part 41 ', and has the second expansion part 41" compared with the first expansion part 41'. It is preferable to have a form that becomes narrow.

This prevents the flow of the outer cover 4 while the upper end of the inner support member 31 formed in the manhole body 3 is fitted into the first expansion tube 41 ′ and prevents the flow of the outer support member 33. When overflow of foreign matter introduced into the space provided between the inner wall of the lower inner wall and the outer wall of the inner support member 36, it is prevented to fall to the inner cover (2).

The method of locking the inner cover 2 of the telecommunication manhole A configured as described above is as follows.

First, with the outer cover 4 and the inner cover 2 open, a manager or an operator enters through the space provided in the center of the manhole body 3 to perform necessary work such as checking or installing cables. Comes out after.

Next, when the inner cover 2 is lifted while holding the handle member 23 formed on the upper surface of the inner cover 2 with both hands, the inner cover is lowered to the lower portion of the handle member 23 by the weight of the inner cover 2. 2) goes down. That is, as the handle member 23 protrudes to the upper portion of the inner cover 2, the manager or the worker can easily hold the handle member 23.

At this time, the release preventing nut 24 is fastened to the threaded portions 23a and 23a 'formed at the lower end of the handle member 23, thereby preventing the inner cover 2 from being separated from the lower portion of the handle member 23. Done.

In this way, while holding the inner cover (2) by holding the handle member 23 between the locking fixing piece (21) formed on the lower side of the inner cover (2) on the locking step (37) formed in the inner support member (36) When the inner cover 2 is put down while fitting, the lower part of the periphery of the edge of the inner cover 2 is seated on the upper surface of the locking step 37.

Next, while inserting the handle 6 into the insertion hole 25 formed on the upper side of the inner cover 2, the square shaft 14a is fitted to the unlocking device 1 provided at the bottom thereof. As shown in FIG. 6A, the handle 6 is rotated clockwise as shown in FIG. 6A while the needle shaft 14b is interlocked together with the disc member 14 to move the movable piece 13 from left to right. do.

That is, as the needle shaft 14b having the shape inserted into the long hole 13a pushes the sidewall of the long hole 13a, the movable piece 13 moves along the guide holes 12 and 12 '. The needle shaft 14b according to the moving amount of the movable piece 13 is located at the center portion of the long hole 13a as shown in FIG. 6B.

Next, as the handle 6 is further rotated and the needle shaft 14b continuously pushes the long hole 13a, the movable piece 13 takes the form of being inserted into the lower portion of the locking step 37. The inner cover 2 is locked.

Next, the handle 6 is separated from the square shaft 14a to cover the manhole by placing the edge of the outer cover 4 on the supporting jaw 35 formed at the upper end of the outer supporting member 33.

At this time, the ring-shaped recess 41 formed in the lower portion of the outer cover 4 is seated on the upper end of the inner support member 36, so that foreign substances introduced from the outside overflow into the inner cover 2. Can be prevented.

On the other hand, the closed manhole can be opened by reversing the above process.

As such, the present invention includes a separate inner cover inside the manhole body to prevent foreign substances from flowing from the outside to prevent power loss and data loss due to a short circuit, and at the same time, both sides of the inner cover are locked. By maintaining the locked state by the fixing piece and the unlocking device, it is possible to reduce the damage by preventing the intentional damage to the cable installed inside the manhole by a third party other than the manager and operator. There is.

Claims (3)

With a plurality of holes 22a and 22a 'formed on both sides of the upper part

The handle member 23 having a shape is inserted, and threaded portions 23a and 23a 'are formed at both lower ends of the handle member 23 so that the loosening nut 24 is fastened to the bottom surface.

The inner cover 2 is formed so that the other side of the locking fixing piece 21 having the shape is fixed and one side is spaced from the bottom surface and is seated on the manhole body 3, and the inner cover 2 In the inner cover of the telecommunications manhole which is configured to be unlocked to the manhole body (3) having an unlocking device (1), the outer cover (4) is covered on the upper part of the manhole body (3), The unlocking device 1 has guide holes 12 and 12 ′ having a long hole shape formed at both side walls of the lower side of the casing 11 having a cylindrical enclosure in which only the upper part is opened. A flange 16 having a fixing hole 16a is formed at an upper portion thereof, a movable piece 13 having a long hole 13a formed therein is formed to be inserted into the guide holes 12 and 12 ', and a square shaft ( A casing with a through hole 15a formed so that the needle shaft 14b formed to be eccentric to the lower portion of the disc member 14 having the 14a formed therein is inserted into the long hole 13a, and the square shaft 14a protrudes upward. The inner cover of the telecommunication manhole, characterized in that the cover 15 is inserted into the casing 11 by fitting. delete delete

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