KR20110132030A - Locking apparatus of manhole - Google Patents

Locking apparatus of manhole Download PDF

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Publication number
KR20110132030A
KR20110132030A KR1020100051817A KR20100051817A KR20110132030A KR 20110132030 A KR20110132030 A KR 20110132030A KR 1020100051817 A KR1020100051817 A KR 1020100051817A KR 20100051817 A KR20100051817 A KR 20100051817A KR 20110132030 A KR20110132030 A KR 20110132030A
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South Korea
Prior art keywords
manhole
locking
groove
extension shaft
cover
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KR1020100051817A
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Korean (ko)
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KR101217932B1 (en
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조학선
김호연
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여흥레이저텍(주)
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1427—Locking devices
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00—Geometrical or physical properties
    • E02D2200/14—Geometrical or physical properties resilient or elastic
    • E02D2200/146—Springs

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Sewage (AREA)

Abstract

PURPOSE: A manhole locking device is provided to prevent the theft of a manhole because a manhole is fixed by an extension shaft of a locking part that is inserted in a horizontal groove formed in a receiving part of a manhole frame. CONSTITUTION: A manhole locking device comprises a locking part(30) and a receiving part(40). The locking part has a circular through hole(31) with a raised portion(311), a pipe-shaped body(32) inserted in the circular through hole, a vertical groove(33) symmetrically and vertically bored on the exterior of the body, an operating body with an extension shaft(341) inserted into the body and moved up and down along the first vertical groove, and a spring(35) pressed onto a cover(36). The receiving part has a body groove(41) in which the body with the extension shaft is inserted and a horizontal groove in which the extensions shaft is slid.

Description

맨홀 잠금장치 { Locking apparatus of manhole }Manhole Lock {Locking apparatus of manhole}

본 발명은 맨홀 잠금장치에 관한 것으로, 보다 상세하게는 맨홀뚜껑 일측면에 형성되어 그 저면으로 돌출된 몸통이 맨홀받침틀에 형성된 몸통홈에 삽입되며, 몸통 외주면으로 돌출된 연장축이 몸통홈의 수평홈에 삽입되어 맨홀뚜껑이 고정됨으로써 맨홀뚜껑의 도난이 방지되는 맨홀 잠금장치에 관한 것이다.The present invention relates to a manhole locking device, and more particularly, a body formed on one side of the manhole cover and protruding to the bottom thereof is inserted into a body groove formed in the manhole support frame, and an extension shaft protruding to the outer peripheral surface of the body is horizontal to the body groove. It relates to a manhole locking device is inserted into the groove is fixed to the manhole cover is prevented theft of the manhole cover.

일반적으로 도로의 지하에는 통신선로나 상하수도가 설비되어지고, 이를 정비 또는 보수하기 위한 인원이 들어가기 위해 지면과 동일한 높이로 개폐가능한 맨홀(manhole)이 설치된다. 또한, 가로수에 물 흡수를 도와줄 뿐만 아니라 주변의 흙을 보호하기 위해 가로수 보호판이 설치된다. 하지만, 대부분 금속재로 형성되는 맨홀이나 가로수 보호판은 외부에 노출되어 있어 쉽게 도난되는데, 맨홀도난으로 낙상자가 발생되어 보행자가 큰 위험에 빠질 수 있으며, 가로수 보호판 도난으로 가로수의 수명이 단축될 뿐만 아니라 가로수 주변을 덮고 있는 흙이 우천시 주변으로 유실되어 미관을 해치고 보행자의 미끄럼 사고를 유발할 수 있었다.In general, the basement of the road is provided with a communication line or water and sewage, and a manhole that can be opened and closed at the same height as the ground for the personnel to maintain or repair it. In addition, the roadside protection plate is installed to help water absorption in the roadside as well as to protect the surrounding soil. However, manholes or roadside protection plates, which are mostly made of metal, are exposed to the outside and are easily stolen.The fall of manholes may cause falling pedestrians, and pedestrians may be in great danger. The soil covering the surrounding area was lost to the rainy weather, which could damage the beauty and cause the pedestrian to slip.

이를 개선하기 위한 종래 기술로 대한민국 등록특허공보 (제10-0508054호)“맨홀뚜껑 잠금장치”는 도 1에 도시된 바와 같이, 맨홀틀(100) 상단 내측에 삽입홈(103)을 간격으로 다수개 내향돌출된 걸림턱(102)과, 맨홀뚜껑(20)의 측면 둘레에 상기 삽입홈(103)으로 삽입된 후 소정간격 회전하여 상기 걸림턱(102)에 걸려 이탈을 방지하는 다수개의 걸림편(201)을 형성하고, 상기 맨홀틀(100)의 상단 일측에 맨홀뚜껑(200)의 회전을 단속하는 회전방지장치 구성하여된 것에 있어서, 상기 회전방지장치는, 상기 맨홀뚜껑(200)의 걸림턱(102)이 맨홀틀(100)의 걸림턱(102)하부에 위치한 상태에서 맨홀틀(100)의 상단에 상부 및 내측이 개구된 핀홀(104)을 형성하고, 이 핀홀(104)에 뚜껑(200)을 향하여 회동되는 회전방지핀(107)을 힌지결합하고, 상기 회전방지핀(107)의 단부와 대응되는 뚜껑(200)의 상단부에는 핀홈(202)이 형성된 구조로 이루어진다.As a prior art to improve this, the Republic of Korea Patent Publication (No. 10-0508054) "manhole cover locking device" as shown in Figure 1, the number of insertion grooves 103 at the inside of the top of the manhole frame 100 at intervals Dog engaging projection 102 protruded inwards, and a plurality of engaging pieces that are inserted into the insertion groove 103 around the side of the manhole cover 20 and rotated by a predetermined interval to prevent the separation hanging off the locking jaw (102) 20. The anti-rotation device is configured to control the rotation of the manhole cover 200 on one side of the upper end of the manhole frame 100. The anti-rotation device is caught by the manhole cover 200. In the state where the jaw 102 is positioned below the locking jaw 102 of the manhole frame 100, a pinhole 104 having an upper side and an inner side opening is formed at the top of the manhole frame 100, and a lid is formed on the pinhole 104. Hinge coupling of the anti-rotation pin 107 is rotated toward the (200), corresponding to the end of the anti-rotation pin 107 The upper end of the skim 200 is composed of a structure formed pin groove (202).

그러나 상기와 같은 종래기술은 맨홀뚜껑에 형성된 다수개의 걸림편을 맨홀틀에 형성된 다수개의 삽입홈에 삽입 후 맨홀뚜껑을 시계/반시계 방향으로 회전시켜 고정되는 구조로 간단한 도구를 이용하여 불특정 다수가 맨홀을 개방할 수 있어, 금속으로 이루어진 맨홀이 자주 도난되어 시민의 세금이 낭비되는 문제점이 있었다. However, the prior art as described above is a structure that is fixed by rotating the manhole cover in the clock / counterclockwise direction after inserting a plurality of engaging pieces formed in the manhole cover in a plurality of insertion grooves formed in the manhole frame, using an unspecified number of tools. Since the manhole can be opened, the manhole made of metal is often stolen, and the citizen's tax is wasted.

전술한 바와 같은 문제점을 해결하기 위하여, 본 발명에서는 맨홀뚜껑이 맨홀고정틀에 고정되어 도난으로 인한 인적, 물적 자원의 낭비가 방지되도록, 맨홀받침틀의 수용부에 형성된 수평홈에 잠금부의 연장축이 삽입되어 고정되는 맨홀 잠금장치를 제공하는데 목적이 있다.In order to solve the problems as described above, in the present invention, the mandrel cover is fixed to the manhole fixing frame to prevent the waste of human and physical resources due to theft, the extension shaft of the locking portion is inserted into the horizontal groove formed in the receiving portion of the manhole support frame The purpose is to provide a manhole lock that is fixed.

또한, 맨홀뚜껑을 특정한 열쇠를 이용해 개폐되도록 몸통 내측에서 회전되는 작동몸체 상면에 열쇠가 삽입되는 열쇠홈이 형성된 맨홀 잠금장치를 제공하는데 또 다른 목적이 있다.In addition, another object of the present invention is to provide a manhole locking device in which a key groove into which a key is inserted is inserted into an upper surface of the operating body rotated inside the body to open and close the manhole cover using a specific key.

본 발명은 지면에 고정되는 맨홀받침틀에 삽입되어 고정되는 맨홀뚜껑의 잠금장치에 있어서, 상기 맨홀뚜껑의 일측면에 형성되며 내측 상단이 층을 이루며 걸림턱이 형성된 원형통공과, 상기 원형통공에 삽입되는 파이프 형태의 몸통과, 상기 몸통 외주면에 대칭을 이루며 수직으로 관통된 제1수직홈과, 상기 몸통 내측에 삽입되며 수직홈을 따라 승하강되는 연장축이 외주면에 수직으로 돌출된 작동몸체와, 상단이 작동몸체 저면에 밀착되며 하단이 몸통 저면에 체결된 덮개에 밀착된 스프링이 형성된 잠금부와; 상기 연장축이 외주면으로 돌출된 몸통이 삽입되는 몸통홈과, 상기 몸통과 함께 회전되는 연장축이 슬라이드되는 수평홈이 형성된 수용부가 구성된다.The present invention is a locking device of the manhole cover is inserted and fixed to the manhole support frame is fixed to the ground, formed on one side of the manhole cover and formed in the inner top of the layer forming a locking jaw and the insertion hole in the circular through hole A body having a pipe shape and a symmetrical shape with respect to the outer circumferential surface of the body, a vertically penetrating vertically penetrating body; A lock formed with a spring in which the upper end is in close contact with the bottom of the working body and the lower end is in close contact with the cover fastened to the bottom of the body; The receiving shaft is formed with a body groove into which the body extending into the outer circumferential surface is inserted, and a horizontal groove into which the body extending along with the body slides.

또한, 상기 몸통은 상단 외주연을 따라 연장되어 걸림턱에 밀착되도록 형성된 걸림판이 구성된다.In addition, the body extends along the outer periphery of the upper end is formed with a locking plate formed to be in close contact with the locking jaw.

또한, 상기 작동몸체는 연장축 끝단에 수직상부로 연장되어 돌출된 걸림축과, 맨홀뚜껑 상면으로 돌출되어 열쇠가 삽입되는 열쇠홈이 구성된다.In addition, the working body is composed of a locking shaft that extends vertically to the upper end of the extension shaft and a key groove into which the key is inserted to protrude to the upper surface of the manhole cover.

또한, 상기 수용부는 수평홈 내측 상부에 걸림축이 슬라이드 되도록 제2수직홈이 구성된다.In addition, the receiving portion is configured with a second vertical groove so that the engaging shaft slides in the upper portion of the horizontal groove.

상기한 바와 같이, 본 발명에 의한 맨홀 잠금장치는 맨홀받침틀의 수용부에 형성된 수평홈에 잠금부의 연장축이 삽입되어 맨홀뚜껑이 고정됨으로써 도난이 방지되고 맨홀뚜껑 도난에 따른 교체비용을 절감할 수 있으며, 몸통에 삽입되어 회전되는 작동몸체에 형성된 열쇠홈을 다양한 형태로 제작해 별도의 열쇠를 이용하여 개방할 수 있는 효과가 있다.As described above, the manhole locking device according to the present invention is inserted into the horizontal groove formed in the receiving portion of the manhole support frame is inserted into the extension shaft of the lock is fixed the manhole cover to prevent theft and reduce the replacement cost due to the manhole cover theft In addition, there is an effect that can be opened by using a separate key by making a key groove formed in the operating body is inserted into the body to rotate in various forms.

도 1은 종래기술에 따른 맨홀뚜껑 잠금장치 분리사시도
도 2는 본 발명에 따른 맨홀 잠금장치 평면도
도 3은 본 발명에 따른 맨홀 잠금장치 분해도
도 4 내지 도 5는 본 발명에 따른 맨홀 잠금장치 단면도
도 6은 본 발명에 따른 맨홀 잠금장치 사용상태도1 is an exploded perspective view of a manhole cover locking device according to the prior art
Figure 2 is a plan view of the manhole lock according to the present invention
Figure 3 is an exploded view of the manhole locking device according to the present invention
4 to 5 is a cross-sectional view of the manhole locking device according to the present invention
Figure 6 is a state diagram using the manhole locking device according to the present invention

이하 본 발명에 의한 맨홀 잠금장치의 구성 및 작동에 따른 바람직한 실시예를 첨부도면과 함께 상세하게 설명한다.Hereinafter, a preferred embodiment according to the configuration and operation of the manhole locking device according to the present invention will be described in detail with the accompanying drawings.

도 2는 본 발명에 따른 맨홀 잠금장치 평면도이고, 도 3은 본 발명에 따른 맨홀 잠금장치 분해도, 도 4 내지 도 5는 본 발명에 따른 맨홀 잠금장치 단면도이다.2 is a plan view of a manhole lock according to the present invention, FIG. 3 is an exploded view of the manhole lock according to the present invention, and FIGS. 4 to 5 are cross-sectional views of the manhole lock according to the present invention.

본 발명의 맨홀 잠금장치는, 도 2와 도 3에 도시된 바와 같이, 지면에 고정되는 링 형태의 맨홀받침틀(10)과, 상기 맨홀받침틀(10) 내측으로 삽입되어 고정되는 맨홀뚜껑(20)과, 상기 맨홀뚜껑(20) 일측면에 형성된 원형통공(31)에 삽입되어 저면으로 돌출된 잠금부(30)와, 상기 잠금부(30)가 삽입되도록 원통형태의 몸통홈(41)이 형성된 수용부(40)가 형성된 구조로 이루어진다.Manhole locking device of the present invention, as shown in Figures 2 and 3, the manhole support frame 10 of the ring-shaped fixed to the ground, and the manhole cover 20 is inserted into the manhole support frame 10 is fixed And, the locking portion 30 is inserted into the circular through hole 31 formed on one side of the manhole cover 20 protruding to the bottom surface, the cylindrical body groove 41 is formed so that the locking portion 30 is inserted The receiving portion 40 is formed of a structure.

상기 잠금부(30)는 맨홀뚜껑(20) 일측에 내측 상단이 층을 이루며 걸림턱(311)이 형성된 원형통공(31)과, 상기 원형통공(31)에 삽입되며 내부가 중공인 파이프 형태의 몸통(32)과, 상기 몸통(32) 외주면에 대칭을 이루며 수직으로 관통된 제1수직홈(33)과, 상기 몸통(32) 내측에 삽입되며 제1수직홈(33)을 따라 승하강되는 연장축(341)이 외주면에 수직으로 돌출된 작동몸체(34)와, 상단이 작동몸체(34) 저면에 밀착되며 하단이 후술되는 덮개(36)에 밀착되어 작동몸체(34)가 승하강 되도록 스프링(35)이 형성된다.The locking part 30 is formed in the manhole cover 20, the inner upper end of the layer is formed in a circular through hole 31 and the locking jaw 311 is formed, the circular through hole 31 and the inside of the pipe shape The body 32, the first vertical groove 33 vertically penetrated symmetrically to the outer peripheral surface of the body 32, and is inserted into the body 32 and raised and lowered along the first vertical groove 33 The extended shaft 341 is protruded perpendicularly to the outer circumferential surface and the upper end is in close contact with the bottom of the operating body 34 and the lower end is in close contact with the cover 36 to be described later so that the operating body 34 is raised and lowered A spring 35 is formed.

도 4에 도시된 바와 같이, 상기 몸통(32)은 상단 외주연을 따라 연장되어 걸림턱(311)에 밀착되도록 걸림판(321)이 형성되며, 몸통(32)은 내측 하단 외주연이 나사형태로 가공되어, 덮개(36)가 삽입되어 분해/체결될 수 있으며, 덮개(36) 중앙은 도면부호가 도시되지 않았지만 중공형태로 가공되어 작동몸체(34) 승하강시 그 하단이 소정길이 삽입될 수 있는 것이다.As shown in Figure 4, the body 32 is extended along the upper outer periphery is formed with a locking plate 321 to be in close contact with the locking jaw 311, the body 32 is the inner bottom outer periphery screw form Process, the cover 36 may be inserted and disassembled / fastened, and the cover 36 may be processed in a hollow form, although the reference numeral is not shown, and the lower end thereof may be inserted at a predetermined length when the operating body 34 moves up and down. It is.

특히, 상기 연장축(341)은 그 끝단이 수직상부로 연장 돌출되며 후술되는 수직홈(421)에 삽입되어 슬라이드되는 걸림축(342)이 형성된다.In particular, the extension shaft 341 is formed with a locking shaft 342, the end of which extends and protrudes vertically upward and is inserted into the vertical groove 421 to be described later and slides.

한편, 도 5에 도시된 바와 같이, 상기 수용부(40)는 연장축(341)이 수직홈(33)으로 돌출된 몸통(32)이 삽입되는 몸통홈(41)과, 맨홀뚜껑(20) 고정을 위해 후술되는 열쇠홈(343)에 열쇠(50) 삽입 후 몸통(32)과 함께 회전되는 연장축(34)이 슬라이드되는 수평홈(42)이 형성되고, 상기 수평홈(42) 내측 상부를 따라 걸림축(342)이 슬라이드되도록 제2수직홈(421)이 형성되어, 맨홀뚜껑(20) 상면으로 돌출된 열쇠홈(343)을 통해 열쇠(50)가 삽입되면 몸통(32), 작동몸체(34)가 회전되며, 이때 상기 작동몸체(34)의 외주연에 돌출된 연장축(341)이 수평홈(42)에 슬라이드되어 맨홀뚜껑(20)이 개폐되도록 하는 것이다.On the other hand, as shown in Figure 5, the receiving portion 40 is a body groove 41, which is inserted into the body 32, the extension shaft 341 protrudes into the vertical groove 33, and the manhole cover 20 After the key 50 is inserted into the key groove 343, which will be described later for fixing, a horizontal groove 42 is formed in which an extension shaft 34 which is rotated together with the body 32 is slid. A second vertical groove 421 is formed so that the locking shaft 342 slides along the body 32 when the key 50 is inserted through the key groove 343 protruding from the upper surface of the manhole cover 20. The body 34 is rotated, and the extension shaft 341 protruding on the outer circumference of the working body 34 slides in the horizontal groove 42 to open and close the manhole cover 20.

또한, 상기 열쇠홈(343)은 맨홀 잠금장치 설치지역마다 각기 다른 형상으로 제조해 분실이 방지되도록 할 수 있으며, 잠금부(30)와 수용부(40)는 각각 다수개가 형성되어 맨홀뚜껑(20)이 맨홀고정틀(10)에 보다 견고히 결합되도록 할 수 있는 것이다. 또한, 도면에는 미도시 되었지만 걸림판(321)과 걸림턱(311)은 밀착 후 볼트고정되어 잠금부(30)가 맨홀뚜껑(20)에 고정되도록 형성되며, 특정 열쇠(50)에 의해 작동되어 몸통(32)이 회전되는 구조에 대한 상세한 설명은 생략하기로 한다.In addition, the key grooves 343 may be manufactured in different shapes for each installation area of the manhole locking device to prevent loss, and a plurality of locking portions 30 and receiving portions 40 are formed, respectively, and the manhole cover 20 is formed. ) Is to be more firmly coupled to the manhole fixing frame (10). In addition, although not shown in the drawing, the locking plate 321 and the locking jaw 311 are fixed to the bolt after being tightly formed so that the locking portion 30 is fixed to the manhole cover 20, and is operated by a specific key 50. Detailed description of the structure in which the body 32 is rotated will be omitted.

이하 본 발명에 의한 맨홀 잠금장치의 사용 과정을 도면을 참고하여 상세하게 설명한다.Hereinafter, a process of using the manhole locking device according to the present invention will be described in detail with reference to the drawings.

본 발명의 맨홀 잠금장치는 맨홀뚜껑(20) 저면으로 돌출된 잠금부(30)가 맨홀받침틀(10) 내측에 형성된 수용부(40)에 삽입되어 맨홀뚜껑(20)이 고정되도록 하는 것으로, 도 6a와 같이, 몸통홈(41)으로 연장축(341)이 돌출된 몸통(32)이 삽입되며, 도 6b와 같이 열쇠(50)를 열쇠홈(343)에 삽입 후 회전시키게 되면 연장축(341)이 수평홈(42)을 따라 슬라이드되어 맨홀뚜껑(20)이 맨홀받침틀(10)에 고정되는 것이다.Manhole locking device of the present invention is that the locking portion 30 protruding to the bottom surface of the manhole cover 20 is inserted into the receiving portion 40 formed inside the manhole support frame 10 to fix the manhole cover 20, FIG. As shown in 6a, a body 32 having an extension shaft 341 protruding into the body groove 41 is inserted, and when the key 50 is inserted into the key groove 343 and rotated as shown in FIG. 6b, the extension shaft 341 is rotated. ) Is slide along the horizontal groove 42 is the manhole cover 20 is fixed to the manhole support frame (10).

맨홀뚜껑(20) 폐쇄시에는, 열쇠(50)를 열쇠홈(343)에 삽입 후 일정한 압력을 가하게 되면 작동몸체(34) 하단에 삽입된 스프링(35)이 압축되며 작동몸체(34) 하단 일부가 덮개(36) 중앙으로 소정길이 삽입되며 작동몸체(34)의 외주연에 대칭으로 돌출된 연장축(341)이 몸통홈(41) 수직하부로 하강되며, 이때 열쇠(50)를 회전하게 되면 연장축(341)이 수평홈(42)을 따라 회전되어 맨홀뚜껑(20)이 고정되는 것이다. When the manhole cover 20 is closed, when a certain pressure is applied after the key 50 is inserted into the key groove 343, the spring 35 inserted into the lower portion of the operating body 34 is compressed and the lower portion of the operating body 34 is closed. Is a predetermined length is inserted into the center of the cover 36 and the extension shaft 341 protruding symmetrically to the outer periphery of the working body 34 is lowered to the vertical groove of the body groove 41, when the key 50 is rotated The extension shaft 341 is rotated along the horizontal groove 42 to fix the manhole cover 20.

특히, 상기 연장축(341)에 수직 상부로 연장된 걸림축(342)이 수평홈(42) 내측의 제2수직홈(421)에 삽입됨으로써, 수평방향 흔들림이 방지되어 맨홀뚜껑(20)의 결합력이 강화되는 것이다.In particular, the locking shaft 342 extending upwardly perpendicular to the extension shaft 341 is inserted into the second vertical groove 421 inside the horizontal groove 42, thereby preventing horizontal shaking to prevent the manhole cover 20. Cohesion will be strengthened.

맨홀뚜껑(20) 개방시에는 열쇠홈(343)과 맞는 열쇠(50)를 사용해 연장축(342)을 수평홈(42)과 몸통홈(41)을 따라 빼내어 맨홀뚜껑(20)을 분리해 지하의 통신선로나 상하수도를 점검할 수 있는 것이다.When opening the manhole cover 20, the extension shaft 342 is pulled out along the horizontal groove 42 and the body groove 41 by using the key 50 that matches the key groove 343, and the manhole cover 20 is separated from the basement. It is possible to check the communication line and water supply and sewage.

상기한 바와 같이, 본 발명에 의한 맨홀 잠금장치는 맨홀받침틀의 수용부에 형성된 수평홈에 잠금부의 연장축이 삽입되어 맨홀뚜껑이 고정됨으로써 도난이 방지되고 맨홀뚜껑 도난에 따른 교체비용을 절감할 수 있으며, 몸통에 삽입되어 회전되는 작동몸체에 형성된 열쇠홈을 다양한 형태로 제작해 별도의 열쇠를 이용하여 개방할 수 있는 효과가 있다.As described above, the manhole locking device according to the present invention is inserted into the horizontal groove formed in the receiving portion of the manhole support frame is inserted into the extension shaft of the lock is fixed the manhole cover to prevent theft and reduce the replacement cost due to the manhole cover theft In addition, there is an effect that can be opened by using a separate key by making a key groove formed in the operating body is inserted into the body to rotate in various forms.

본 발명은 상기한 특징의 바람직한 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형실시가 가능한 것은 물론, 그와 같은 변경은 청구범위 기재의 범위 내에 있게 된다.The present invention is not limited to the preferred embodiments of the above-described features, and various modifications can be made by those skilled in the art without departing from the gist of the present invention as claimed in the claims. Of course, such changes will fall within the scope of the claims.

10: 맨홀받침틀 20: 맨홀뚜껑
30: 잠금부 31: 원형통공
311: 걸림턱 32: 몸통
321: 걸림판 33: 제1수직홈
34: 작동몸체 341: 연장축
342: 걸림축 343: 열쇠홈
35: 스프링 36: 덮개
40: 수용부 41: 몸통홈
42: 수평홈 43: 제2수직홈
50: 열쇠10: manhole support frame 20: manhole cover
30: locking portion 31: circular hole
311: Jaw 32: Torso
321: stopping plate 33: first vertical groove
34: working body 341: extension shaft
342: hanging shaft 343: keyway
35: spring 36: cover
40: receiver 41: body groove
42: horizontal groove 43: second vertical groove
50: key

Claims (4)

지면에 고정되는 맨홀받침틀에 삽입되어 고정되는 맨홀뚜껑의 잠금장치에 있어서,
상기 맨홀뚜껑(20)의 일측면에 형성되며 내측 상단이 층을 이루며 걸림턱(311)이 형성된 원형통공(31)과, 상기 원형통공(31)에 삽입되는 파이프 형태의 몸통(32)과, 상기 몸통(32) 외주면에 대칭을 이루며 수직으로 관통된 제1수직홈(33)과, 상기 몸통(32) 내측에 삽입되며 수직홈(33)을 따라 승하강되는 연장축(341)이 외주면에 수직으로 돌출된 작동몸체(34)와, 상단이 작동몸체(34) 저면에 밀착되며 하단이 몸통(32) 저면에 체결된 덮개(36)에 밀착된 스프링(35)이 형성된 잠금부(30)와;
상기 연장축(341)이 외주면으로 돌출된 몸통(32)이 삽입되는 몸통홈(41)과, 상기 몸통(32)과 함께 회전되는 연장축(341)이 슬라이드되는 수평홈(42)이 형성된 수용부(40)가 구성된 것을 특징으로 하는 맨홀 잠금장치.In the locking device of the manhole cover that is inserted and fixed to the manhole support frame fixed to the ground,
A circular through hole 31 formed on one side of the manhole cover 20 and having an inner upper end layered thereon, and a locking jaw 311 formed therein, and a body 32 having a pipe shape inserted into the circular through hole 31; The first vertical groove 33 vertically penetrated symmetrically with respect to the outer circumferential surface of the body 32, and an extension shaft 341 inserted into the body 32 and raised and lowered along the vertical groove 33, the outer peripheral surface Locking portion 30 is formed with a vertically projecting working body 34, the top is in close contact with the bottom of the working body 34, the bottom 35 is in close contact with the cover 36 fastened to the bottom of the body (32) Wow;
A body groove 41 in which the body 32 protruding from the outer circumferential surface of the extension shaft 341 is inserted, and a horizontal groove 42 in which the extension shaft 341 rotated together with the body 32 is slid. Manhole lock device characterized in that the configuration (40). 제 1항에 있어서,
상기 몸통(32)은 상단 외주연을 따라 연장되어 걸림턱(311)에 밀착되도록 형성된 걸림판(321)이 구성된 것을 특징으로 하는 맨홀 잠금장치.The method of claim 1,
The body 32 extends along the upper outer circumference of the manhole locking device, characterized in that the locking plate 321 is formed to be in close contact with the locking step (311). 제 1항에 있어서,
상기 작동몸체(34)는 연장축(341) 끝단에 수직상부로 연장되어 돌출된 걸림축(342)과, 맨홀뚜껑(20) 상면으로 돌출되어 열쇠(50)가 삽입되는 열쇠홈(343)이 구성된 것을 특징으로 하는 맨홀 잠금장치.The method of claim 1,
The working body 34 includes a locking shaft 342 protruding upward from the end of the extension shaft 341 and a key groove 343 protruding from the upper surface of the manhole cover 20 and into which the key 50 is inserted. Manhole lock, characterized in that configured. 제 1항에 있어서,
상기 수용부(40)는 수평홈(41) 내측 상부에 걸림축(342)이 슬라이드 되도록 제2수직홈(421)이 구성된 것을 특징으로 하는 맨홀 잠금장치.The method of claim 1,
The receiving portion 40 is a manhole locking device, characterized in that the second vertical groove (421) is configured to slide the locking shaft (342) in the upper upper portion of the horizontal groove (41).
KR1020100051817A 2010-06-01 2010-06-01 Locking apparatus of manhole KR101217932B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105862921A (en) * 2016-05-27 2016-08-17 林少明 Theft resistant cover plate for power maintenance well
CN106638703A (en) * 2017-01-10 2017-05-10 国家电网公司 Anti-theft, waterproof, dustproof and noise-proof well lid
CN111456097A (en) * 2020-04-10 2020-07-28 嘉兴恒力建材科技有限公司 Novel anti-jacking and anti-shifting safety inspection well cover
KR102684794B1 (en) * 2023-04-17 2024-07-15 김종욱 opening and closing device for manhole cover

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200307419Y1 (en) * 2002-12-26 2003-03-15 주식회사 엘지화학 A lock device for windows
KR100930106B1 (en) * 2008-03-28 2009-12-07 주식회사 은진 Manhole cover with lock

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105862921A (en) * 2016-05-27 2016-08-17 林少明 Theft resistant cover plate for power maintenance well
CN106638703A (en) * 2017-01-10 2017-05-10 国家电网公司 Anti-theft, waterproof, dustproof and noise-proof well lid
CN106638703B (en) * 2017-01-10 2019-03-26 国家电网公司 A kind of antitheft, waterproof and dustproof, noiseproof manhole cover
CN111456097A (en) * 2020-04-10 2020-07-28 嘉兴恒力建材科技有限公司 Novel anti-jacking and anti-shifting safety inspection well cover
KR102684794B1 (en) * 2023-04-17 2024-07-15 김종욱 opening and closing device for manhole cover

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