KR100943226B1 - Locking apparatus for manhole cover - Google Patents

Locking apparatus for manhole cover Download PDF

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Publication number
KR100943226B1
KR100943226B1 KR1020090077987A KR20090077987A KR100943226B1 KR 100943226 B1 KR100943226 B1 KR 100943226B1 KR 1020090077987 A KR1020090077987 A KR 1020090077987A KR 20090077987 A KR20090077987 A KR 20090077987A KR 100943226 B1 KR100943226 B1 KR 100943226B1
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KR
South Korea
Prior art keywords
manhole cover
shaft hole
bushing member
lock
shaft
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KR1020090077987A
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Korean (ko)
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이상각
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(주)한국주조
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Priority to KR1020090077987A priority Critical patent/KR100943226B1/en
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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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00—Materials
    • E02D2300/0026—Metals
    • E02D2300/0035—Aluminium

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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)

Abstract

PURPOSE: A locking device for a manhole cover is provided to prevent a shaft bar from adhering to a shaft hole by fastening a bushing member of aluminum material to the shaft hole. CONSTITUTION: A locking device for a manhole cover comprises reinforcing rim parts, a bushing member(5), and a support(51). The reinforcing rim parts are formed in the bottom of a lock housing box(31) for preventing damage caused by vibration. The lock housing box is formed in a manhole cover(3). The bushing member is composed of an aluminum material, and installed in a shaft hole(311) to prevent adhering caused by corrosion. The shaft hole is formed in the lock housing box. The support is formed in the bottom of the bushing member to be hung on a hanging projection(311a). The hanging projection is formed in the bottom of the shaft hole.

Description

맨홀뚜껑용 잠금장치 {Locking apparatus for manhole cover}Locking apparatus for manhole cover {Locking apparatus for manhole cover}

본 발명은 맨홀뚜껑용 잠금장치에 관한 것으로서, 보다 상세하게는 축공에 알루미늄 재질로 이루어진 부싱부재를 체결하여 부식에 의해 축봉과 달라붙는 것을 방지하고, 잠금쇠 수납함의 저면에 보강림부를 형성하여 진동에 따른 파손을 방지하는 맨홀뚜껑용 잠금장치에 관한 것이다.The present invention relates to a lock device for a manhole cover, and more particularly, by fastening the bushing member made of aluminum to the shaft hole to prevent the rod from sticking to the shaft by corrosion, and forming a reinforcing rim on the bottom of the lock holder to prevent vibration. It relates to a lock device for the manhole cover to prevent damage.

일반적으로, 맨홀(manhole)이란 노면(路面)에서 지하로 사람이 출입할 수 있게 만든 구멍으로, 크게 도로의 오수(汚水) 및 우수(雨水)를 수집하기 위한 수공용 맨홀과 지중배전선로에 설치되는 지중 배전맨홀로 구분된다.In general, a manhole is a hole that allows people to enter and exit from a road surface, and is installed in a manual manhole and underground distribution line to collect sewage and rainwater on a road. It is divided into underground distribution manholes.

이중, 지중 배전맨홀은 내부에 설치되는 각종 배전선로를 보호하기 위해 맨홀의 내부로 우수 또는 오수의 유입을 방지하는 구조로 이루어져야 한다.Of these, underground distribution manholes should be constructed to prevent rainwater or sewage from entering the manholes in order to protect the various distribution lines installed therein.

이를 위해, 본 출원인에 의해 선출원(출원번호; 10-2005-0078174)된 것으로 도 1은 종래의 맨홀뚜껑 잠금장치의 주요 구성인 잠금쇠를 나타낸 사시도이고, 도 2는 종래의 맨홀뚜껑 잠금장치를 나타낸 설치상태 단면도이다.To this end, it is filed by the applicant (Application No .; 10-2005-0078174), Figure 1 is a perspective view showing the clamp of the main configuration of the conventional manhole cover lock, Figure 2 shows a conventional manhole cover lock It is sectional view of installation state.

도면에 도시된 바와 같이 종래의 맨홀뚜껑 잠금장치는 안착홈(11) 및 잠금요 부(12)가 마련되도록 내주연에 걸림돌부(13)와 밀폐돌기(14)가 돌출형성된 뚜껑틀(10)과, 상기 밀폐돌기(14)의 단부에 체결되는 밀폐링(20)과, 상기 안착홈(11)에 안착되어 지지되며 축공(32)과 삽입공(33)을 갖는 잠금쇠 수납함(31)이 구비된 맨홀뚜껑(30)과, 상기 잠금쇠 수납함(31)에 설치되며 축봉(42)과 다수개의 요철부(43)를 갖는 잠금반원판(41)이 형성되고, 상기 잠금반원판(41)의 저면에는 상기 삽입공(33)에 끼움되는 회동핀(42)이 마련된 잠금쇠(40)로 이루어진다.As shown in the drawing, a conventional manhole cover locking device includes a lid frame 10 in which a locking protrusion 13 and a sealing protrusion 14 protrude from an inner circumference such that a seating recess 11 and a lock recess 12 are provided. And, the sealing ring 20 is fastened to the end of the sealing protrusion 14, and the clamping box 31 having a shaft hole 32 and the insertion hole 33 is supported and seated in the seating groove (11) A lock semicircular plate 41 installed on the manhole cover 30 and the clasp holder 31 and having an axial rod 42 and a plurality of uneven parts 43 is formed, and the bottom surface of the lock semicircular plate 41 is formed. It consists of a clamp 40 provided with a rotation pin 42 to be fitted to the insertion hole (33).

상기와 같이 구성된 종래의 맨홀뚜껑 잠금장치는 작업자가 노브(50)를 축봉(42)에 체결하여 회전시켜, 잠금반원판(41)의 요철부(43)가 걸림돌부(13)의 저면을 가압하면서 고정되어 맨홀뚜껑(30)이 뚜껑틀(10)에 견고하게 고정된다.In the conventional manhole cover locking device configured as described above, the operator fastens and rotates the knob 50 to the shaft bar 42, and the uneven portion 43 of the lock semicircular plate 41 presses the bottom surface of the locking protrusion 13. While being fixed, the manhole cover 30 is firmly fixed to the lid frame 10.

그러나, 종래의 맨홀뚜껑 잠금장치는 주물로 이루어진 맨홀뚜껑의 축공에 잠금쇠의 축봉이 끼움되므로 부식에 의해 상호 달라붙어 노브로 잠금쇠를 회전시키기 어려움문제점이 있다.However, the conventional manhole cover locking device has a problem that it is difficult to rotate the lock with a knob because the shaft of the lock is fitted in the shaft hole of the manhole cover made of a casting.

또한, 차량의 통행에 따른 반복적인 진동에 의해 잠금쇠를 지지하는 잠금쇠 수납함의 저면이 파손되거나 크렉이 발생되는 문제점이 있다.In addition, there is a problem that the bottom of the clasp holder for supporting the clasp breaks or cracks are generated by repetitive vibration caused by the passage of the vehicle.

본 발명은 상기한 문제점을 해결하기 위해 안출된 것으로서, 본 발명의 목적은 축공에 알루미늄 재질로 이루어진 부싱부재를 체결하여 부식에 의해 축봉과 달라붙는 것을 방지하고, 잠금쇠 수납함의 저면에 보강림부를 형성하여 진동에 따른 파손을 방지하는 맨홀뚜껑용 잠금장치를 제공하는데 그 목적이 있다.The present invention has been made to solve the above problems, an object of the present invention is to fasten the bushing member made of aluminum to the shaft hole to prevent sticking to the shaft by corrosion, forming a reinforcing rim on the bottom surface of the clasp holder The purpose is to provide a lock device for the manhole cover to prevent damage due to vibration.

본 발명은 안착홈 및 잠금요부가 마련되도록 내주연에 걸림돌부와 밀폐돌기가 돌출형성된 뚜껑틀과, 상기 밀폐돌기의 단부에 체결되는 밀폐링과, 상기 안착홈에 안착되어 지지되며 축공과 삽입공을 갖는 잠금쇠 수납함이 구비된 맨홀뚜껑과, 상기 잠금쇠 수납함에 설치되며 축봉과 다수개의 요철부를 갖는 잠금반원판이 형성되고, 상기 잠금반원판의 저면에는 상기 삽입공에 끼움되는 회동핀이 마련된 잠금쇠로 이루어진 맨홀뚜껑 잠금장치로서, 상기 잠금쇠 수납함의 하부에는 진동에 의한 파손을 방지하도록 보강림부가 더 설치되며, 상기 축공에는 상기 축봉과 부식에 의해 달라붙는 것을 방지하도록 알루미늄재질로 이루어진 부싱부재가 설치되되, 상기 축공의 하부에는 걸림턱이 형성되고, 부싱부재의 하부에는 상기 걸림턱에 걸림되도록 나팔형태의 지지부가 형성된 것을 특징으로 한다.The present invention provides a seat frame and a locking recess formed on the inner circumference so that the locking frame and the sealing projection protrude from the inner periphery, the sealing ring fastened to the end of the sealing protrusion, and is supported by the seating groove and the shaft hole and the insertion hole. A manhole cover provided with a clasp holder having a lock, and a lock semicircle having a shaft rod and a plurality of concave-convex portions formed in the clasp receptacle, and a locking pin provided with a pivot pin fitted into the insertion hole on the bottom of the lock semicircle. The manhole cover lock device is made of, the lower portion of the clasp holder is further provided with a reinforcement rim to prevent damage caused by vibration, the shaft hole is provided with a bushing member made of aluminum material to prevent sticking by the shaft rod and corrosion. A locking jaw is formed at a lower portion of the shaft hole, and a trumpet shape is formed at the lower portion of the bushing member so as to be caught at the locking jaw. Characterized in that the support of the form is formed.

또한, 상기 부싱부재는 내주연에 환형태로 다수의 요철돌부를 형성시켜 상기 축봉과의 접촉면적을 줄이도록 하고, 외주연에는 탄성돌부를 형성시켜 상기 축공에 억지끼움되도록 하는 것을 특징으로 한다.In addition, the bushing member is formed in the inner circumference to form a plurality of concave-convex protrusions to reduce the contact area with the shaft, and the outer periphery to form an elastic protrusion to be fitted to the shaft hole.

또한, 상기 축공의 상부에는 상기 부싱부재가 진동에 의해 상향으로 돌출되는 것을 방지하도록 지지테가 더 형성된 것을 특징으로 한다.In addition, the upper portion of the shaft hole is characterized in that the support frame is further formed to prevent the bushing member protrudes upward by vibration.

또한, 상기 부싱부재의 상부에는 상기 축공으로 우수가 유입되는 것을 방지하는 차단헤드가 더 구비되되, 상기 차단헤드에는 축공에서 분리시킬 수 있도록 한 조의 파지홈이 형성된 것을 특징으로 한다.In addition, the upper portion of the bushing member is further provided with a blocking head for preventing rain flows into the shaft hole, characterized in that the blocking head is formed with a set of gripping grooves to be separated from the shaft hole.

또한, 상기 뚜껑틀에는 내부의 물기 또는 습기가 제거되도록 외부와 연통되게 스프링관이 더 설치된 것을 것을 특징으로 한다.In addition, the lid frame is characterized in that the spring tube is further installed in communication with the outside to remove moisture or moisture therein.

본 발명은 맨홀뚜껑용 잠금장치 축공에 알루미늄 재질로 이루어진 부싱부재를 체결하여 부식에 의해 축봉과 달라붙는 것을 방지하고, 잠금쇠 수납함의 저면에 보강림부를 형성하여 진동에 따른 파손을 방지하는 효과가 있다.The present invention is to fasten the bushing member made of aluminum to the locking device shaft hole for the manhole cover to prevent sticking to the shaft rod by corrosion, and to form a reinforcing rim on the bottom of the lock holder has the effect of preventing damage caused by vibration. .

이하, 첨부된 도면들을 참조하여 본 발명에 따른 맨홀뚜껑용 잠금장치의 바람직한 실시예를 첨부된 도면을 참조하여 설명한다. 이 과정에서 도면에 도시된 선들의 두께나 구성요소의 크기 등은 설명의 명료성과 편의상 과장되게 도시되어 있을 수 있다. 또한, 후술되는 용어들은 본 발명에서의 기능을 고려하여 정의된 용어들로서 이는 사용자, 운용자의 의도 또는 관례에 따라 달라질 수 있다. 그러므로, 이러한 용어들에 대한 정의는 본 명세서 전반에 걸친 내용을 토대로 내려져야 할 것이다.Hereinafter, with reference to the accompanying drawings will be described with reference to the accompanying drawings a preferred embodiment of the locking device for a manhole cover according to the present invention. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator. Therefore, definitions of these terms should be made based on the contents throughout the specification.

또한, 하기 실시예는 본 발명의 권리범위를 한정하는 것이 아니라 단지 예시로 제시하는 것이며, 본 기술 사상을 통해 구현되는 다양한 실시예가 있을 수 있다.In addition, the following examples are not intended to limit the scope of the present invention but merely presented by way of example, and there may be various embodiments implemented through the present invention.

도 3은 본 발명의 제 1 실시예에 따른 맨홀뚜껑용 잠금장치의 설치상태를 나타낸 사시도이고, 도 4는 본 발명의 제 1 실시예에 따른 맨홀뚜껑용 잠금장치에 있어, 맨홀뚜껑을 나타낸 단면도이다.Figure 3 is a perspective view showing the installation state of the manhole cover locking device according to a first embodiment of the present invention, Figure 4 is a cross-sectional view showing a manhole cover in the locking device for a manhole cover according to a first embodiment of the present invention to be.

도면에 도시된 바와 같이 본 발명인 맨홀뚜껑용 잠금장치는 안착홈(11) 및 잠금요부(12)가 마련되도록 내주연에 걸림돌부(13)와 밀폐돌기(14)가 돌출형성된 뚜껑틀(1)과, 상기 밀폐돌기(14)의 단부에 체결되는 밀폐링(2)과, 상기 안착홈(11)에 안착되어 지지되며 축공(311)과 삽입공(312)을 갖는 잠금쇠 수납함(31)이 구비된 맨홀뚜껑(3)과, 상기 잠금쇠 수납함(31)에 설치되며 축봉(411)과 다수개의 요철부(412)를 갖는 잠금반원판(41)이 형성되고, 상기 잠금반원판(41)의 저면에는 상기 삽입공(312)에 끼움되는 회동핀(42)이 마련된 잠금쇠(4)로 이루어진다.As shown in the drawings, the present invention is a manhole cover locking device for the seating groove 11 and the locking recess 12, the locking frame 13 and the locking projection 14 is formed on the inner circumference protruding cap frame (1) And, the sealing ring 2 is fastened to the end of the sealing protrusion 14, and the clamping box 31 having a shaft hole 311 and the insertion hole 312 is supported and seated in the seating groove (11) And a lock semicircular plate 41 installed on the manhole cover 3 and the clasp holder 31 and having a shaft rod 411 and a plurality of uneven parts 412, and a bottom surface of the lock semicircular plate 41. It consists of a clamp (4) provided with a rotation pin 42 to be fitted to the insertion hole (312).

여기서, 상기 잠금쇠 수납함(31)의 하부에는 진동에 의한 파손을 방지하도록 보강림부(313)가 더 형성되며, 상기 축공(311)에는 상기 축봉(411)과 부식에 의해 달라붙는 것을 방지하도록 알루미늄재질로 이루어진 부싱부재(5)가 설치되되, 상기 축공(311)의 하부에는 걸림턱(311a)이 형성되고, 부싱부재(5)의 하부에는 상기 걸림턱(311a)에 걸림되도록 나팔형태의 지지부(51)가 형성된다.Here, a reinforcing rim portion 313 is further formed on the lower portion of the clasp holder 31 to prevent damage due to vibration, and the shaft hole 311 is made of aluminum to prevent sticking to the shaft rod 411 by corrosion. Bushing member (5) is formed, the locking jaw (311a) is formed in the lower portion of the shaft hole 311, the lower portion of the bushing member (5) is a trumpet-shaped support portion to be caught in the locking jaw (311a) ( 51) is formed.

상기 보강림부(313)는 상기 잠금쇠 수납함(31)의 하부 모서리에 끼워져 고정되도록 앵글구조로 이루어져 있으며, 상기 잠금쇠 수납함(31)에 나사체결 또는 용접에 의해 고정된다.The reinforcing rim portion 313 has an angle structure to be fitted and fixed to the lower edge of the clasp holder 31, and is fixed to the clasp holder 31 by screwing or welding.

상기 부싱부재(5)는 상기 축공(311)에 억지끼움되어 고정되며, 차량의 이동시 그 진동에 의해 부싱부재(5)가 상부로 점차 돌출되는 것을 방지하도록 하부에 지지부(51)가 형성된다.The bushing member 5 is forcibly fitted into the shaft hole 311, and a support 51 is formed at a lower portion of the bushing member 5 to prevent the bushing member 5 from gradually protruding upward by the vibration when the vehicle moves.

또한, 상기 축공(311)에는 상기 지지부(51)가 걸림되도록 걸림턱(311a)이 형성되어 상기 부싱부재(5)가 진동에 의해 상향으로 이동되는 것을 방지하게 된다.In addition, a locking jaw 311a is formed in the shaft hole 311 so that the support part 51 is locked to prevent the bushing member 5 from being moved upward by vibration.

여기서, 상기 뚜껑틀(1)에는 내부의 물기 또는 습기가 제거되도록 측면에 외부와 연통되게 스프링관(15)이 설치된다. 상기한 스프링관(15)은 일반적인 파이프에 비해 진동에 의한 균열이나 파손이 없으며, 탄성에 의해 절곡시킬 수 있어 설치환경에 따라 형상변형이 가능하게 된다.Here, the lid frame (1) is provided with a spring tube (15) in communication with the outside on the side to remove moisture or moisture therein. The spring pipe 15 has no cracks or breakage due to vibrations compared to a general pipe, and can be bent by elasticity so that shape deformation is possible according to an installation environment.

도 5는 본 발명의 제 2 실시예 따른 맨홀뚜껑용 잠금장치의 다른실시예를 나타낸 도면이다.5 is a view showing another embodiment of a manhole cover locking device according to a second embodiment of the present invention.

도 5를 참조하면, 상기에서는 축공(311)에 부싱부재(5)를 체결하여 부식에 의해 달라붙는 것을 방지하는 것으로 나타내고 있지만 이에 한정되는 것은 아니다.Referring to FIG. 5, the bushing member 5 is fastened to the shaft hole 311 to prevent sticking due to corrosion, but is not limited thereto.

예를 들면, 상기 부싱부재(5)는 내주연에 환형태로 다수의 요철돌부(52)를 형성시켜 상기 축봉(411)과의 접촉면적을 줄이도록 하고, 외주연에는 탄성돌부(53)를 형성시켜 상기 축공(311)에 억지끼움되도록 한다.For example, the bushing member 5 forms a plurality of concave-convex protrusions 52 in an annular shape on the inner circumference to reduce the contact area with the shaft bar 411, and the elastic protrusion 53 on the outer circumference. It is formed to be pressed into the shaft hole (311).

즉, 요철돌부(52)에 의해 축봉(411)과 부싱부재와(5)의 접촉면적이 줄어들어 용이하게 잠금쇠(4)의 회전시킬 수 있게 되고, 부싱부재(5)의 하부에 탄성돌부(53)가 형성되어 축공(311)에 억지끼움됨으로써, 차량이동에 따른 진동에 의해 부싱부재(5)가 상향으로 이동되는 것을 방지하게 된다.That is, the contact area between the shaft rod 411 and the bushing member 5 is reduced by the uneven protrusions 52, so that the clamping member 4 can be easily rotated, and the elastic protrusion 53 is disposed below the bushing member 5. ) Is formed and fitted into the shaft hole 311, thereby preventing the bushing member 5 from being moved upward by the vibration caused by the vehicle movement.

도 6는 본 발명의 제 3 실시예 따른 맨홀뚜껑용 잠금장치의 다른실시예를 나타낸 도면이다.6 is a view showing another embodiment of a manhole cover locking device according to a third embodiment of the present invention.

도 6을 참조하면, 상기 축공(311)의 상부에는 상기 부싱부재(5)가 진동에 의해 상향으로 돌출되는 것을 방지하도록 지지테(311b)가 형성된다.Referring to FIG. 6, a support frame 311b is formed at an upper portion of the shaft hole 311 to prevent the bushing member 5 from protruding upward by vibration.

즉, 지지테(311b)에 의해 부싱부재(5)의 상부가 걸림되어 지지고정되며, 이물질이 부싱부재(5)와 축공(311)사이에 유입되는 것을 방지하게 된다.That is, the upper part of the bushing member 5 is supported and fixed by the support frame 311b to prevent foreign matter from flowing between the bushing member 5 and the shaft hole 311.

도 7는 본 발명의 제 4 실시예 따른 맨홀뚜껑용 잠금장치의 다른실시예를 나타낸 도면이다.7 is a view showing another embodiment of a manhole cover locking device according to a fourth embodiment of the present invention.

도 7을 참조하면, 상기 부싱부재(5)의 상부에는 상기 축공(311)으로 우수가 유입되는 것을 방지하는 차단헤드(54)가 더 구비되되, 상기 차단헤드(54)에는 축공(311)에서 분리시킬 수 있도록 한조의 파지홈(541)이 형성된다.Referring to FIG. 7, an upper portion of the bushing member 5 further includes a blocking head 54 which prevents rainwater from flowing into the shaft hole 311, and the blocking head 54 has a shaft hole 311. A set of gripping grooves 541 are formed to be separated.

즉, 차단헤드(54)가 축공(311)의 상부를 감싸면서 덮어 우수나 오물이 축공(311)으로 유입되는 것을 방지하게 되고, 장탈착이 용이하록 차단헤드(54)에 파지홈(541)을 형성시켜 집게 등을 분리도구를 사용하여 축공에 장탈착시키게 된다.That is, the blocking head 54 covers the upper portion of the shaft hole 311 to cover and prevents rainwater or dirt from flowing into the shaft hole 311. Form the tongs and the like by using a separation tool to be mounted on the shaft hole.

도 1은 종래의 맨홀뚜껑 잠금장치의 주요 구성인 잠금쇠를 나타낸 사시도이다.1 is a perspective view showing a clamp which is the main configuration of a conventional manhole cover locking device.

도 2는 종래의 맨홀뚜껑 잠금장치를 나타낸 설치상태 단면도이다.Figure 2 is a sectional view of the installation state showing a conventional manhole cover locking device.

도 3은 본 발명의 제 1 실시예에 따른 맨홀뚜껑용 잠금장치의 설치상태를 나타낸 사시도이다.3 is a perspective view showing the installation state of the manhole cover locking device according to the first embodiment of the present invention.

도 4는 본 발명의 제 1 실시예에 따른 맨홀뚜껑용 잠금장치에 있어, 맨홀뚜껑을 나타낸 단면도이다.4 is a cross-sectional view showing a manhole cover in the locking device for a manhole cover according to the first embodiment of the present invention.

도 5는 본 발명의 제 2 실시예 따른 맨홀뚜껑용 잠금장치의 다른실시예를 나타낸 도면이다.5 is a view showing another embodiment of a manhole cover locking device according to a second embodiment of the present invention.

도 6는 본 발명의 제 3 실시예 따른 맨홀뚜껑용 잠금장치의 다른실시예를 나타낸 도면이다.6 is a view showing another embodiment of a manhole cover locking device according to a third embodiment of the present invention.

도 7은 본 발명의 제 4 실시예 따른 맨홀뚜껑용 잠금장치의 다른실시예를 나타낸 도면이다.7 is a view showing another embodiment of a manhole cover locking device according to a fourth embodiment of the present invention.

도 8은 본 발명의 제 5 실시예에 따른 맨홀뚜껑용 잠금장치를 나타낸 도면이다.8 is a view showing a manhole cover locking device according to a fifth embodiment of the present invention.

<도면의 주요 부분에 대한 설명>Description of the main parts of the drawing

1 : 뚜껑틀 2 : 밀폐링1: lid frame 2: sealing ring

3 : 맨홀뚜껑 4 : 잠금쇠3: manhole cover 4: clasp

5 : 부싱부재 6 : 노브5 bushing member 6 knob

11 : 안착홈 12 : 잠금요부11: seating groove 12: locking recess

13 : 걸림돌부 14 : 밀폐돌기13: locking protrusion 14: sealing protrusion

15 : 스프링관 31 : 수납함15: spring tube 31: storage box

311 : 축공 311a : 걸림턱311: shaft 311a: locking jaw

311b : 지지테 312 : 삽입공311b: support frame 312: insertion hole

313 : 보강림부 51 : 지지부313: reinforcing rim 51: support

52 : 요철돌부 53 : 탄성돌부52: uneven protrusions 53: elastic protrusions

54 : 차단헤드 541 : 파지홈54: blocking head 541: gripping groove

Claims (5)

안착홈 및 잠금요부가 마련되도록 내주연에 걸림돌부와 밀폐돌기가 돌출형성된 뚜껑틀과, 상기 밀폐돌기의 단부에 체결되는 밀폐링과, 상기 안착홈에 안착되어 지지되며 축공과 삽입공을 갖는 잠금쇠 수납함이 구비된 맨홀뚜껑과, 상기 잠금쇠 수납함에 설치되며 축봉과 다수개의 요철부를 갖는 잠금반원판이 형성되고, 상기 잠금반원판의 저면에는 상기 삽입공에 끼움되는 회동핀이 마련된 잠금쇠로 이루어진 맨홀뚜껑 잠금장치로서,A cap frame having a locking protrusion and a sealing protrusion protruding from the inner circumference to provide a seating groove and a lock recess, a sealing ring fastened to an end of the sealing protrusion, and a clamp having a shaft hole and an insertion hole supported by the seating groove. A manhole cover is provided with a manhole cover provided with a storage box, and a lock semicircle installed in the catch box and having a shaft and a plurality of concave-convex portions, and a lock having a pivot pin fitted into the insertion hole at the bottom of the lock semicircle. As a lock, 상기 잠금쇠 수납함의 하부에는 진동에 의한 파손을 방지하도록 보강림부가 더 설치되며,Reinforcing rim portion is further installed in the lower portion of the clasp holder to prevent damage due to vibration, 상기 축공에는 상기 축봉과 부식에 의해 달라붙는 것을 방지하도록 알루미늄재질로 이루어진 부싱부재가 설치되되,The shaft hole is provided with a bushing member made of aluminum to prevent sticking by the shaft and corrosion, 상기 축공의 하부에는 걸림턱이 형성되고, 부싱부재의 하부에는 상기 걸림턱에 걸림되도록 나팔형태의 지지부가 형성된 것을 특징으로 하는 맨홀뚜껑용 잠금장치.A locking jaw is formed at a lower portion of the shaft hole, and a lower portion of the bushing member is provided with a trumpet-shaped support portion to be locked to the locking jaw. 제 1 항에 있어서, The method of claim 1, 상기 부싱부재는 내주연에 환형태로 다수의 요철돌부를 형성시켜 상기 축봉과의 접촉면적을 줄이도록 하고, 외주연에는 탄성돌부를 형성시켜 상기 축공에 억 지끼움되도록 하는 것을 특징으로 하는 맨홀뚜껑용 잠금장치.The bushing member is formed in the annular shape of the inner periphery to form a plurality of concave-convex protrusions to reduce the contact area with the shaft, and the outer periphery to form an elastic protrusions to be fitted into the shaft hole, characterized in that the manhole cover Lock. 제 1 항 또는 제 2 항에 있어서, The method according to claim 1 or 2, 상기 축공의 상부에는 상기 부싱부재가 진동에 의해 상향으로 돌출되는 것을 방지하도록 지지테가 더 형성된 것을 특징으로 하는 맨홀뚜껑용 잠금장치.The upper part of the shaft hole is a locking device for manhole cover, characterized in that the support frame is further formed to prevent the bushing member protrudes upward by vibration. 제 1 항 또는 제 2 항에 있어서, The method according to claim 1 or 2, 상기 부싱부재의 상부에는 상기 축공으로 우수가 유입되는 것을 방지하는 차단헤드가 더 구비되되,The upper portion of the bushing member is further provided with a blocking head for preventing rain flows into the shaft hole, 상기 차단헤드에는 축공에서 분리시킬 수 있도록 한조의 파지홈이 형성된 것을 특징으로 하는 맨홀뚜껑용 잠금장치.The blocking head is a manhole cover lock device, characterized in that a set of gripping grooves are formed to be separated from the shaft hole. 제 1 항에 있어서, The method of claim 1, 상기 뚜껑틀에는 내부의 물기 또는 습기가 제거되도록 외부와 연통되게 스프링관이 더 설치된 것을 것을 특징으로 하는 맨홀뚜껑용 잠금장치.The lid frame is a manhole cover lock device, characterized in that the spring tube is further installed in communication with the outside to remove moisture or moisture therein.
KR1020090077987A 2009-08-24 2009-08-24 Locking apparatus for manhole cover KR100943226B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101350836B1 (en) 2013-06-05 2014-01-14 주식회사 정원주철 The manhole cover with multi side contact angle
KR101803937B1 (en) * 2016-10-13 2017-12-04 주식회사 산화 Manhole
KR101969327B1 (en) * 2018-05-29 2019-04-17 (주)대광주철 Manhole Cover
KR102088960B1 (en) * 2019-06-24 2020-03-13 심정보 Manhole cover using maintenance method for vibration crack prevention

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200309979Y1 (en) 2003-01-06 2003-04-11 주식회사 성일주물 locked device for manhole cover
KR100448689B1 (en) 2004-03-05 2004-09-13 주식회사 정원주철 Non blot type lock manhole cover
KR100551592B1 (en) 2005-08-25 2006-02-13 이상각 Locking apparatus for manhole cover
KR100735007B1 (en) 2006-04-25 2007-07-03 이상각 Manhole having a locking apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200309979Y1 (en) 2003-01-06 2003-04-11 주식회사 성일주물 locked device for manhole cover
KR100448689B1 (en) 2004-03-05 2004-09-13 주식회사 정원주철 Non blot type lock manhole cover
KR100551592B1 (en) 2005-08-25 2006-02-13 이상각 Locking apparatus for manhole cover
KR100735007B1 (en) 2006-04-25 2007-07-03 이상각 Manhole having a locking apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101350836B1 (en) 2013-06-05 2014-01-14 주식회사 정원주철 The manhole cover with multi side contact angle
KR101803937B1 (en) * 2016-10-13 2017-12-04 주식회사 산화 Manhole
KR101969327B1 (en) * 2018-05-29 2019-04-17 (주)대광주철 Manhole Cover
KR102088960B1 (en) * 2019-06-24 2020-03-13 심정보 Manhole cover using maintenance method for vibration crack prevention

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