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KR20080038555A - Bolt locking type manhole cover - Google Patents

Bolt locking type manhole cover Download PDF

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Publication number
KR20080038555A
KR20080038555A KR1020060105569A KR20060105569A KR20080038555A KR 20080038555 A KR20080038555 A KR 20080038555A KR 1020060105569 A KR1020060105569 A KR 1020060105569A KR 20060105569 A KR20060105569 A KR 20060105569A KR 20080038555 A KR20080038555 A KR 20080038555A
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KR
South Korea
Prior art keywords
manhole cover
groove
bolt
manhole
mount
Prior art date
Application number
KR1020060105569A
Other languages
Korean (ko)
Inventor
황의철
노기선
Original Assignee
(주) 시흥
주식회사 도화종합기술공사
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Application filed by (주) 시흥, 주식회사 도화종합기술공사 filed Critical (주) 시흥
Priority to KR1020060105569A priority Critical patent/KR20080038555A/en
Publication of KR20080038555A publication Critical patent/KR20080038555A/en

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Classifications

    • 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
    • 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
    • E02D29/1454—Non-circular covers, e.g. hexagonal, elliptic
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00—Geometrical or physical properties
    • E02D2200/16—Shapes
    • E02D2200/1628—Shapes rectangular

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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

A bolt locking type manhole cover for water supply and sewage services, and electric communication is provided to prevent the accidental fall of pedestrians and vehicles caused by opening a manhole cover by coupling one side of a manhole cover with irregularities and coupling the other side to a manhole cover frame with bolts, and to prevent the expansion of a flooded area by preventing a counterflow caused by a localized torrential downpour. A bolt locking type manhole cover is formed by bolting a manhole cover(200) having a nonskid projection(210) on the upper part of a manhole cover frame(100). The manhole cover frame includes a guide flange integrated on the lower part of a rectangular guide web(110), and a mount(121) formed on the lower inside of the guide flange to mount the manhole cover easily, wherein a female screw groove is formed on the mount to couple a bolt(240), a hanging groove(130) is formed on the inside of the guide web to insert a hanging joint to prevent the separation of the manhole cover from the guide web of the manhole cover frame, and a manhole support(122) is formed on the outside to make the manhole cover frame buried under cement mortar or asphalt concrete easily. The manhole cover includes a nonskid projection having irregularities to be mounted to the mount of the guide web of the manhole cover frame easily and to prevent vehicles or pedestrians from sliding, a hanger groove(220) formed to insert a head of the bolt not to be projected to the upper part of the manhole cover, and a through groove(230) is formed to the hanger groove to penetrate a body of the bolt to be coupled to the female screw groove of the mount.

Description

볼트 잠금식 맨홀뚜껑{Bolt locking type manhole cover}Bolt locking type manhole cover

도1은 종래 기술에 따른 맨홀뚜껑의 종단면도.1 is a longitudinal sectional view of a manhole cover according to the prior art.

도2는 본 발명에 따른 맨홀뚜껑의 사시도.Figure 2 is a perspective view of the manhole cover according to the present invention.

도3은 본 발명에 따른 맨홀뚜껑의 분해 사시도.Figure 3 is an exploded perspective view of the manhole cover according to the present invention.

도4는 본 발명에 따른 맨홀뚜껑의 배면 분해 사시도.Figure 4 is a rear exploded perspective view of the manhole cover according to the present invention.

도5는 본 발명에 따른 맨홀뚜껑의 종단면도.Figure 5 is a longitudinal sectional view of the manhole cover according to the present invention.

<도면의 주요 부분에 대한 부호의 간단한 설명><Brief description of symbols for the main parts of the drawings>

100:맨홀뚜껑틀 110:가이드 웹부100: manhole cover 110: guide web

120:가이드 플랜지 121:안착부120: guide flange 121: seat

122:맨홀지지부 123:암나사홈122: manhole support 123: female thread groove

200:맨홀뚜껑커버 210:미끄럼방지돌기200: Manhole cover 210: Non-slip protrusion

220:걸이홈 230:관통홈220: hanger groove 230: through hole

240:볼트240: Bolt

본 발명은 볼트 잠금식 맨홀뚜껑에 관한 것으로서 특히, 맨홀뚜껑틀에 안착 되어지는 맨홀뚜껑커버의 일측이 요철에 의하여 결합된 상태에서 타측이 볼트에 의하여 맨홀뚜껑틀에 결합되어지도록 함으로써 맨홀뚜껑커버가 오픈됨에 따라 발생되는 보행자의 추락사고 및 차량의 바퀴가 빠지는 차량사고를 방지할 수 있도록 하고, 아울러 집중호우로 인한 역류를 막아 침수피해를 줄일 수 있도록 한 것이다.The present invention relates to a bolt-locking manhole cover, in particular, the manhole cover is to be coupled to the manhole cover by the other side in the state that one side of the manhole cover that is seated on the manhole cover is coupled by the unevenness It is to prevent pedestrian accidents caused by the opening and vehicle accidents that fall out of the wheels of the vehicle, and to reduce flood damage by preventing backflow caused by heavy rain.

일반적으로 맨홀은 지면이나 콘크리트 및 아스팔트 등에 매립된 맨홀뚜껑틀에서 맨홀뚜껑커버를 분리시킨 후 맨홀속으로 들어가서 전기, 통신, 수도 및 가스설비들을 신설 또는 보수하기 위한 인공용 맨홀과 도로의 오수 및 우수를 수집하기 위한 수공용 맨홀로 구분되어지도록 설치되어 있다.In general, the manhole is separated from the manhole cover embedded in the ground, concrete, asphalt, etc., and the manhole cover is removed from the manhole and road for man-made manholes and roads to establish or repair electricity, communication, water and gas facilities. It is installed to be divided into a manual manhole for collecting.

이러한 수공용 맨홀은 도1에 도시된 바와 같이 일정 깊이로 매립된 맨홀뚜껑틀(100)의 상부에 맨홀뚜껑커버(200)가 덮혀져 내,외부가 차단되어질 수 있도록 구성되어 외부로부터 맨홀뚜껑커버(200)와 맨홀뚜껑틀(100) 사이를 통해 이물질이 유입되는 것을 차단할 수 있도록 되어 있다.This manual manhole is covered with a manhole cover 200 on the upper part of the manhole cover frame 100 embedded in a predetermined depth as shown in Figure 1 is configured to be blocked inside, outside the manhole cover from the outside Between the 200 and the manhole cover 100 is to block the inflow of foreign matter.

또한, 맨홀뚜껑커버(200)의 상부에는 미끄럼방지돌기(210)가 형성되어 주행중인 차량이나 보행자가 미끄러지는 것을 막을 수 있도록 구성되어 있다.In addition, the upper part of the manhole cover 200 is formed with a non-slip protrusion 210 is configured to prevent the vehicle or pedestrian from slipping.

그러나 맨홀뚜껑틀(100)의 상부에 덮혀지는 맨홀뚜껑커버(200)가 단순히 맨홀뚜껑커버(200)의 자중에 의하여 맨홀뚜껑틀(100)에 안착되어짐으로써 작업자가 맨홀뚜껑커버(200)를 용이하게 열어 작업할 수 있도록 한 반면, 간혹 맨홀뚜껑커버(200)가 열려있을 경우 차량이나 보행자가 맨홀속으로 추락하는 문제점이 있었다.However, the manhole cover 200 covered by the upper portion of the manhole cover 100 is simply seated on the manhole cover 100 by the weight of the manhole cover 200, the operator easily facilitates the manhole cover 200 On the other hand, when the manhole cover 200 is sometimes open, there is a problem that a vehicle or a pedestrian falls into the manhole.

한편, 맨홀 내부를 흐르는 유체가 오수일 경우 집중호우시 역류되어지는 압 력에 의하여 맨홀뚜껑커버가 오픈됨에 따라 침수지역이 확대되어지는 또 다른 문제점이 있었다.On the other hand, if the fluid flowing inside the manhole is another problem that the flooded area is expanded as the manhole cover is opened by the pressure backflow during heavy rainfall.

본 발명은 이와 같은 문제점을 해소하기 위해 창출된 것으로서 맨홀뚜껑틀에 안착되어지는 맨홀뚜껑커버의 일측이 요철에 의하여 결합된 상태에서 타측이 볼트에 의하여 맨홀뚜껑틀에 결합되어지도록 함으로써 맨홀뚜껑커버가 오픈됨에 따라 발생되는 보행자 및 차량의 추락사고를 방지할 수 있도록 하고, 아울러 집중호우로 인한 역류를 방지하여 침수지역이 확대되어지는 것을 막을 수 있는 볼트 잠금식 맨홀뚜껑을 제공하는데 그 목적이 있다.The present invention has been created to solve this problem as the manhole cover is to be coupled to the manhole cover by bolts on the other side in a state in which one side of the manhole cover that is seated on the manhole cover is coupled by unevenness The purpose of the present invention is to provide a bolt-locking manhole cover that can prevent pedestrians and vehicles from falling due to being opened, and prevent flooding area from expanding by preventing backflow caused by heavy rain.

이와 같은 목적을 달성하기 위한 본 발명은 맨홀뚜껑틀(100)의 상부에 미끄럼방지돌기(210)를 갖는 맨홀뚜껑커버(200)가 볼트 결합되도록 구성된 맨홀뚜껑에 있어서, 상기 맨홀뚜껑틀(100)은 직사각형의 가이드 웹부(110) 하부에 가이드 플랜지(120)가 일체로 형성되어지되, 상기 가이드 플랜지(120)의 내측은 맨홀뚜껑커버(200)가 안착되어지는 안착부(121)가 형성되고, 외측은 지면에 지지되는 맨홀 지지부(122)가 일체로 형성되고, 상기 가이드 웹부(110)에 형성된 안착부(121)는 암나사홈(123)이 형성되어지며 상기 맨홀뚜껑커버(200)는 걸이홈(220)이 형성된 관통홈(230)을 형성하여 상기 관통홈(230)에 끼워진 볼트(240)가 상기 암나사홈(123)에 체결되어지되, 상기 볼트(240)의 머리가 걸이홈(220)의 상부에 걸려짐을 특징으로 한다.The present invention for achieving the above object in the manhole cover configured to be bolted to the manhole cover 200 having a non-slip protrusion 210 on the upper portion of the manhole cover frame 100, the manhole cover frame 100 The guide flange 120 is formed integrally below the rectangular guide web portion 110, the inner side of the guide flange 120 is formed with a seating portion 121 is seated on the manhole cover 200, The outside is formed integrally with the manhole support portion 122 supported on the ground, the seating portion 121 formed in the guide web portion 110 is formed with a female thread groove 123 and the manhole cover 200 is a hook groove A through hole 230 having a through hole 230 formed therein is fastened to the female screw groove 123 by a bolt 240 fitted into the through groove 230, and the head of the bolt 240 is a hook groove 220. It is characterized in that the hook on the top.

그리고 상기 맨홀뚜껑커버(200)의 외측면에 걸림철부(250)가 형성되어지고, 상기 가이드 웹부(110)의 내측면에 상기 걸림철부(250)가 결합되어지는 걸림요부(130)가 형성됨을 특징으로 하는 볼트 잠금식 맨홀뚜껑을 제공함에 그 목적이 달성된다.And the locking portion 250 is formed on the outer surface of the manhole cover 200, and the locking recess 130 is coupled to the locking portion 250 is formed on the inner surface of the guide web portion 110. The object is achieved by providing a bolt lockable manhole cover.

이하, 본 발명의 실시예를 첨부 도면을 참조하여 설명하면 다음과 같다.Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

본 발명에 따른 볼트 잠금식 맨홀뚜껑은 도2 내지 도5에 도시된 바와 같이 맨홀뚜껑틀(100) 및 맨홀뚜껑커버(200)로 구성되어 있다.The bolt-locking manhole cover according to the present invention is composed of a manhole cover frame 100 and a manhole cover cover 200 as shown in FIGS.

여기에서, 상기 맨홀뚜껑틀(100)은 소정 높이를 갖는 다수개의 패널이 직사각형태를 갖도록 일체로 형성된 것으로서 수직된 테두리형태의 가이드 웹부(110) 하부에 수평형태를 갖는 가이드 플랜지(120)가 일체로 형성되어지고, 상기 가이드 플랜지(120)의 일측은 가이드 웹부(110)의 하부 내측으로 연장되도록 돌출된 형태를 갖는 안착부(121)가 형성되어 후술하는 맨홀뚜껑커버(200)가 용이하게 안착되어질 수 있도록 구성되어 있다.Here, the manhole cover frame 100 is formed integrally with a plurality of panels having a predetermined height to have a rectangular shape, the guide flange 120 having a horizontal shape is integral to the guide web portion 110 of the vertical rim shape vertically Is formed in, one side of the guide flange 120 is formed with a seating portion 121 having a protruding shape so as to extend to the lower inner side of the guide web portion 110 is easily seated manhole cover 200 to be described later It is configured to be.

상기 가이드 웹부(110)의 하부 내측을 향하여 돌출되어지도록 형성된 안착부(121)에는 소정 직경을 갖는 암나사홈(123)이 관통되어지도록 형성되어 후술하는 볼트(240)가 결합되어지도록 구성되어 있다.The mounting portion 121 formed to protrude toward the lower inner side of the guide web portion 110 is formed to penetrate the female screw groove 123 having a predetermined diameter is configured to be coupled to the bolt 240 to be described later.

상기 암나사홈(123)이 형성된 부분과 대향되는 가이드 웹부(110)의 내측면에는 걸림요부(130)가 형성되어 후술하는 걸림철부(250)가 삽입되어지도록 함으로써 맨홀뚜껑커버(200)가 맨홀뚜껑틀(100)의 가이드 웹부(110)로 부터 용이하게 분리되어지는 것을 막을 수 있도록 구성되어 있다.Manhole cover 200 is manhole cover by having a locking recess 130 is formed on the inner surface of the guide web portion 110 facing the portion where the female thread groove 123 is formed to be inserted into the locking recess 250 to be described later It is configured to prevent the separation from the guide web portion 110 of the mold 100 easily.

상기 가이드 플랜지(120)의 타측은 가이드 웹부(110)의 하부 외측을 향하여 소정 길이로 연장된 형태를 갖는 맨홀 지지부(122)가 형성되어 맨홀뚜껑틀(100)이 시멘트 몰타르 또는 아스콘 등에 용이하게 매립되어질 수 있도록 구성되어 있다.The other side of the guide flange 120 is formed with a manhole support 122 having a form extending in a predetermined length toward the lower outer side of the guide web portion 110 so that the manhole cover 100 is easily embedded in cement mortar or asphalt concrete, etc. It is configured to be.

상기 맨홀뚜껑커버(200)는 맨홀뚜껑틀(110)의 가이드 웹부(110) 내측 하부로 형성된 안착부(121)에 용이하게 안착되어지도록 하면서 차량이나 보행자가 미끄러지는 것을 방지하도록 하기 위한 방안으로 상부 또는 윗면에 요철로 이루어진 미끄럼방지돌기(210)가 전면에 걸쳐 형성되어지고, 상기 미끄럼방지돌기(210)가 형성된 하부는 아아치형태를 갖도록 형성되어 외부로부터 또는 상부로 부터 작용하는 하중을 충분히 감당할 수 있도록 구성되어 있다.The manhole cover 200 is an upper portion to prevent the vehicle or pedestrian from slipping while being easily seated on the seating portion 121 formed at the inner bottom of the guide web portion 110 of the manhole cover frame 110. Or the upper surface of the non-slip projection 210 is formed on the front surface, the lower portion formed with the non-slip projection 210 is formed to have an arch shape to sufficiently bear the load acting from the outside or from the top. It is configured to be.

또한, 상기 맨홀뚜껑커버(200)는 소정 깊이를 갖는 걸이홈(220)이 형성되어 볼트(240)의 머리가 삽입되어 걸려짐으로써 맨홀뚜껑커버(200)의 상부로 돌출되는 것이 방지될 수 있도록 형성되어지고, 상기 걸이홈(220)에 관통홈(230)을 형성하여 볼트(240)의 몸체가 관통되어 안착부(121)에 형성된 암나사홈(123)에 체결되어지도록 구성되어 있다.In addition, the manhole cover 200 is formed with a hook groove 220 having a predetermined depth so that the head of the bolt 240 is inserted and caught to prevent protruding to the upper portion of the manhole cover 200. It is formed to form a through groove 230 in the hook groove 220 is configured so that the body of the bolt 240 is penetrated and fastened to the female screw groove 123 formed in the seating portion 121.

이러한 걸이홈(220) 및 관통홈(230)은 맨홀뚜껑커버(200)의 길이에 따라 하나 이상으로 형성되어지도록 하는 것이 더욱 바람직하다.More preferably, the hook groove 220 and the through groove 230 are formed in at least one according to the length of the manhole cover 200.

상기 걸이홈(220)과 대향되는 맨홀뚜껑커버(200)의 외측면에는 외측방향을 향하여 소정 길이로 돌출되는 형태를 갖는 걸림철부(250)가 형성되어지며 상기 걸림철부(250)는 맨홀뚜껑틀(100)의 가이드 웹부(110)에 형성된 걸림요부(130)에 결합되어지도록 구성되어 있다.The outer surface of the manhole cover 200 which faces the hanger groove 220 is formed with a locking convex 250 having a shape protruding in a predetermined length toward the outer direction and the locking concave portion 250 is a manhole cover frame It is configured to be coupled to the engaging recess 130 formed in the guide web portion 110 of the (100).

이와 같은 구성을 갖는 맨홀뚜껑커버(200)를 맨홀뚜껑틀(100)에 닫기 위해서는 먼저, 맨홀뚜껑커버(200)를 들어 그 가장자리가 맨홀뚜껑틀(100)에 형성된 가이드 웹부(110)의 내측면에 일치되도록 한 후 걸림철부(250)가 형성된 부분의 양측 가장자리 모서리가 안착부(121)에 닿도록 한다.In order to close the manhole cover 200 having such a configuration to the manhole cover 100, first, the manhole cover cover 200, the inner surface of the guide web portion 110, the edge of which is formed in the manhole cover 100 After the coincidence with both sides of the edge portion of the engaging portion 250 is formed so as to contact the seating portion 121.

이때 맨홀뚜껑커버(200)는 도5의 일점쇄선으로 도시된 바와 같이 관통홈(230)이 형성된 쪽이 높고 걸림철부(250)가 형성된 부분은 낮은 상태로 되며 이 같은 상태에서 화살표방향으로 맨홀뚜껑커버(200)를 밀게 된다. In this case, the manhole cover 200 has a high side in which the through groove 230 is formed and a portion in which the catching convex portion 250 is formed, as shown by the dashed-dotted line in FIG. 5, is in a low state. The cover 200 is pushed.

다음, 맨홀뚜껑커버(200)가 밀리면서 맨홀뚜껑커버(200)의 걸림철부(250)가 가이드 웹부(110)의 내측면에 형성된 걸림요부(130)에 삽입됨과 동시에 들고 있던 맨홀뚜껑커버(200)를 내려놓는 것으로 맨홀뚜껑커버(200)가 맨홀뚜껑틀(100)에 닫히게 된다.Next, as the manhole cover 200 is pushed, the hooking convex portion 250 of the manhole cover 200 is inserted into the catch recess 130 formed on the inner side of the guide web portion 110 and the manhole cover cover 200 was held at the same time. By laying down the manhole cover 200 is closed to the manhole cover 100.

다음, 볼트(240)를 관통홈(230)에 삽입하여 회전시키면 볼트(240)가 안착부(121)의 암나사홈(123)에 나사결합됨으로써 맨홀뚜껑틀(100)에서 맨홀뚜껑커버(200)가 분리되는 것을 막을 수 있게 된다. 이때 볼트(240) 머리가 걸이홈(220)에 어느 정도 삽입된 상태가 유지됨에 따라 볼트(240)의 머리에 보행자가 걸려 넘어지게 되는 것을 방지할 수 있게 된다.Next, when the bolt 240 is inserted into the through groove 230 and rotated, the bolt 240 is screwed into the female threaded groove 123 of the seating part 121 so that the manhole cover 200 in the manhole cover frame 100 is formed. Can be prevented from separating. At this time, as the head of the bolt 240 is inserted into the hook groove 220 to some extent, the pedestrian may be prevented from falling over the head of the bolt 240.

이와 같이 본 발명은 맨홀뚜껑틀에 안착되어지는 맨홀뚜껑커버의 일측단이 요철에 의하여 결합된 상태에서 타측단이 볼트에 의하여 맨홀뚜껑틀에 결합되어지도록 함으로써 맨홀뚜껑커버가 오픈됨에 따라 발생되는 보행자 및 차량의 추락사고 를 방지할 수 있는 효과를 얻을 수 있다.As described above, the present invention allows the other end to be coupled to the manhole cover by bolts in a state where one end of the manhole cover is seated on the manhole cover, and thus the pedestrian generated by opening the manhole cover. And it is possible to obtain an effect that can prevent the fall of the vehicle.

또한, 집중호우로 인한 역류가 발생될 경우 맨홀뚜껑틀에 맨홀뚜껑커버가 볼트 및 요철에 의하여 결합된 상태로 있음에 따라 맨홀뚜껑커버가 상부로 들리게 되면서 역류되는 것을 방지하여 침수피해를 줄일 수 있는 효과를 더 얻을 수 있다.In addition, when a backflow caused by heavy rain, the manhole cover is coupled to the manhole cover by bolts and unevenness, so that the manhole cover can be lifted to the upper part to prevent backflow, thereby reducing flooding damage. You can get more effect.

Claims (2)

맨홀뚜껑틀(100)의 상부에 미끄럼방지돌기(210)를 갖는 맨홀뚜껑커버(200)가 볼트 결합되도록 구성된 맨홀뚜껑에 있어서,In the manhole cover configured to be bolted to the manhole cover 200 having a non-slip protrusion 210 on the upper portion of the manhole cover frame 100, 상기 맨홀뚜껑틀(100)은 직사각형의 가이드 웹부(110) 하부에 가이드 플랜지(120)가 일체로 형성되어지되, 상기 가이드 플랜지(120)의 내측은 맨홀뚜껑커버(200)가 안착되어지는 안착부(121)가 형성되고, 외측은 지면에 지지되는 맨홀 지지부(122)가 일체로 형성되고, 상기 가이드 웹부(110)에 형성된 안착부(121)는 암나사홈(123)이 형성되어지며 상기 맨홀뚜껑커버(200)는 걸이홈(220)이 형성된 관통홈(230)을 형성하여 상기 관통홈(230)에 끼워진 볼트(240)가 상기 암나사홈(123)에 체결되어지되, 상기 볼트(240)의 머리가 걸이홈(220)의 상부에 걸려짐을 특징으로 하는 볼트 잠금식 맨홀뚜껑.The manhole cover frame 100 is formed with a guide flange 120 integrally formed under the rectangular guide web portion 110, the inner side of the guide flange 120 is a seating portion to which the manhole cover cover 200 is seated A 121 is formed, and a manhole support part 122 supported on the ground is integrally formed, and a seating part 121 formed in the guide web part 110 is formed with a female screw groove 123 and the manhole cover. The cover 200 forms a through groove 230 in which the hook groove 220 is formed so that the bolt 240 fitted into the through groove 230 is fastened to the female screw groove 123, Bolted manhole cover, characterized in that the head is hooked to the top of the hook groove (220). 제1항에 있어서,The method of claim 1, 상기 맨홀뚜껑커버(200)의 외측면에 걸림철부(250)가 형성되어지고, 상기 가이드 웹부(110)의 내측면에 상기 걸림철부(250)가 결합되어지는 걸림요부(130)가 형성됨을 특징으로 하는 볼트 잠금식 맨홀뚜껑.A locking convex portion 250 is formed on an outer surface of the manhole cover 200, and a locking recess 130 to which the locking convex portion 250 is coupled to an inner surface of the guide web part 110 is formed. Bolt-type manhole cover.
KR1020060105569A 2006-10-30 2006-10-30 Bolt locking type manhole cover KR20080038555A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103352481A (en) * 2013-08-01 2013-10-16 王先军 Multipurpose urban road surface well lid for safe burglary prevention and drainage of stagnant water
CN107090857A (en) * 2017-03-07 2017-08-25 广州犀鸟工业设计有限公司 A kind of mining of groundwater well closure construction
CN107460893A (en) * 2017-03-07 2017-12-12 广州犀鸟工业设计有限公司 A kind of simple closure construction of mining of groundwater well
CN107460892A (en) * 2017-03-07 2017-12-12 广州犀鸟工业设计有限公司 A kind of mining of groundwater well capping apparatus
KR102259033B1 (en) 2021-04-13 2021-06-01 주식회사 호남금속 Manhole cover with automatically adjustable lock and lift

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103352481A (en) * 2013-08-01 2013-10-16 王先军 Multipurpose urban road surface well lid for safe burglary prevention and drainage of stagnant water
CN107090857A (en) * 2017-03-07 2017-08-25 广州犀鸟工业设计有限公司 A kind of mining of groundwater well closure construction
CN107460893A (en) * 2017-03-07 2017-12-12 广州犀鸟工业设计有限公司 A kind of simple closure construction of mining of groundwater well
CN107460892A (en) * 2017-03-07 2017-12-12 广州犀鸟工业设计有限公司 A kind of mining of groundwater well capping apparatus
KR102259033B1 (en) 2021-04-13 2021-06-01 주식회사 호남금속 Manhole cover with automatically adjustable lock and lift

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