KR20100009244A - Locking device of manhole cover and frame - Google Patents

Locking device of manhole cover and frame Download PDF

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Publication number
KR20100009244A
KR20100009244A KR1020080070060A KR20080070060A KR20100009244A KR 20100009244 A KR20100009244 A KR 20100009244A KR 1020080070060 A KR1020080070060 A KR 1020080070060A KR 20080070060 A KR20080070060 A KR 20080070060A KR 20100009244 A KR20100009244 A KR 20100009244A
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KR
South Korea
Prior art keywords
locking
cover
support frame
coupling
present
Prior art date
Application number
KR1020080070060A
Other languages
Korean (ko)
Inventor
남수택
Original Assignee
남수택
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 남수택 filed Critical 남수택
Priority to KR1020080070060A priority Critical patent/KR20100009244A/en
Publication of KR20100009244A publication Critical patent/KR20100009244A/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
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/06—Gully gratings
    • E03F2005/065—Gully gratings with elastic locking elements

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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

The present invention relates to a locking device for a manhole support frame and a cover, and to maintain a smooth appearance while satisfying the locking function as a simple structure and to eliminate the difficulty of unlocking by various foreign materials.

According to the present invention, the locking piece 30 is coupled to the coupling rod 21 of the operating chamber 24 of the cover 20 so that the locking piece 31 at the end of the blocking portion 37 of the lock 20 is provided. The locking piece 32 which is provided in the lower part of the engaging part 33 has the support frame 10 when it is preassembled by the locking with the 1st locking protrusion 22 which the cover 20 has, and when it catches with the 2nd locking protrusion 23. Entering into the locking groove 14 to be locked, as well as the blocking portion 37 is to block the operation chamber 24 having the cover 20 to achieve the desired.

Description

LOCKING DEVICE OF MANHOLE COVER AND FRAME}

The present invention relates to a locking mechanism of the support frame and the cover for preventing the noise of the support frame and the cover of the manhole and the detachment of the cover.

In general, a manhole is installed in the water, sewage, communication line, etc. buried underground, and a cover for opening and closing the manhole is provided at the top of the manhole through a support frame. When a shock is applied by various kinds of vehicles passing by, not only severe noise is generated due to friction with the support frame, but also in severe cases, the cover is separated from the support frame, causing a safety accident.

Therefore, all existing manhole support frames and covers prevent the occurrence of noise and cover by locking using various technical means, and it is considered that it is most preferable to use spring elasticity as a technical means satisfying both functions at the same time. have.

Accordingly, the present applicant has also provided a registration utility model No. 285786 for the coupling structure of the manhole cover and the supporting frame using a leaf spring.

However, registered utility model No. 285786 is installed by connecting a plate spring having a V-shaped locking portion on the outside of the manhole cover with bolts so that the locking portion is semi-forcibly caught on the bottom of the locking jaw of the support frame when combined with the supporting frame. Its elasticity acts downward of the manhole cover to satisfy noise generation and cover separation prevention functions.

Therefore, the structure of the manhole support frame and the cover of this structure allows the plate spring to be installed by connecting several bolts to the manhole cover to achieve the desired purpose, resulting in an increase in the purchase cost of parts and a lot of time when assembling. Since the connection part of the leaf spring and the V-shaped groove having the bolt and the locking part are exposed in appearance, the appearance is not beautiful, and when various foreign substances are introduced into the exposed V-locking part, it becomes difficult to grind the V-shaped locking part. Many problems, such as being very difficult and difficult to catch the locking portion for opening and closing the cover during use are pointed out.

The present invention satisfies the original function for preventing the noise and the separation of the cover while reducing the manufacturing cost and assembly time of the parts during manufacturing, and can maintain a smooth appearance and there is no fear of foreign matter from penetrating from the outside cover The purpose of the present invention is to provide a locking device for a crimson support frame and a cover that can be quickly and easily released from the lock for opening and closing of the lock.

An object of the present invention is that the locking portion is coupled to the coupling rod having in the operating chamber of the cover to block the operation piece of the cover when the locking piece is forced to be engaged with the second locking protrusion of the cover. At the same time the locking piece having a lower portion of the engaging portion is achieved by the locking device of the mantle support frame and the cover is coupled to the locking groove having the inner wall of the support frame to achieve the lock.

According to the present invention, the lock 30 is coupled to the coupling rod 21 of the cover 20 so that the locking piece 31 is engaged with the first locking protrusion 22 of the cover 20. In addition, the locking piece 32 enters into the locking groove 14 of the support frame 10 so that the locking can be made with the second locking protrusion 23 so that the locking can be performed. Cost reduction and assembly time can be reduced, and when the locking device 30 is locked, the blocking part 37 of the locking device 30 blocks the operation chamber 24 of the cover 20 so that the appearance is smooth. When the cover 20 is to be opened during use, the locking piece 31 at the end of the blocking part 37 is separated from the second locking protrusion 23 having the cover 20. As it is canceled, it can eliminate the difficulty of unlocking due to infiltration of foreign matters. The opening and closing will be effective, such as being able to occur can be more quickly and easily.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, in which like elements are denoted by the same reference numerals as possible, and detailed descriptions of related well-known technologies and functions are unclear to the gist of the present invention. It will be omitted in order not to be supported.

Figure 1 is a plan view of the present invention, Figure 2 is an exploded perspective view of the present invention, the present invention is one or more locking projections 12 and the locking groove 14 is formed on the inner wall of the coupling hole of the support frame 10, respectively On the outer surface of the cover 20 coupled to the support frame 10, the coupling rods 21 and the first and second locking protrusions 22 and 23 are respectively disposed at positions facing the locking grooves 14 of the support frame 10. The operating chamber 24 and the coupling groove 25 having a) is formed, the locking rod 30 is coupled to the coupling rod 21 of the operating chamber 24 of the cover 20 so that the lock ( The locking piece 32 of the support frame 10 is assembled to the locking piece 32 of the lid 20 when the locking piece 31 of the cover 20 is engaged with the first locking protrusion 22 of the lid 20. The locking groove 14 is configured to enter the lock.

In the above, each of the locking jaws 12 and the locking grooves 14 on the inner wall of the support frame 10 are formed above and below each of the supporting jaws, but the locking jaw 12 has an insertion groove 16 at the top thereof. It is configured to allow the entry of the tool 40 for locking the locking device 30 by forming a recess.

In addition, the operating chamber 24 formed on the outer surface of the cover 20 to face the locking groove 14 of the support frame 10, respectively, is open to the side and the top and is recessed from the top to the inner side so that the coupling groove is formed therein. (25) is formed in communication, the coupling rod 21 is formed in the outer central portion of the operation chamber 24 and the first and second locking projections (22) 23 from the upper both side walls of the operation chamber (24) It is configured to be protruded to form a stepwise locking with the lock 30.

3 is a perspective view of the locking device used in the present invention, the locking device 30 used in the present invention is a locking piece 32 in the lower portion of the outer engaging portion 33 of the engaging portion 33, 34 each having a coupling groove. ) Is formed to be inclined downwardly outward and the blocking portion 37 extends horizontally from the elastic portion 36 to the inside of the coupling portion, and the engaging piece 31 bent at the end of the blocking portion 37 is formed. It is formed to be bent downward.

According to the present invention, the locking piece 30 is coupled to the locking mechanism 30 through the coupling rods 21 of the operation chambers 24 of the cover 20, and the locking piece 31 at the end of the cover part 20 has the cover 20. When the assembly is made so that the first locking protrusion 22 and the locking is made, the locking piece 35 extending below the outer engaging portion 33 of the lock 30 does not protrude greatly from the cover 20. Therefore, it can be transported and installed in a state in which the cover 20 is coupled to the support frame 10.

In order to lock the cover 20 after construction, the lock 30 coupled to each operation chamber 24 of the cover 20 ends in a state in which the locking grooves 14 of the support frame 10 face each other. By using the pointed tool 40, the locking piece 31 of the locking device 30 is locked by the second locking protrusion 23 having the cover 20.

That is, as shown in FIG. 5, in the temporarily assembled state in which the locking device 30 is engaged with the first locking protrusion 22 of the cover 20, the elastic part 36 and the blocking part ( 37) Since the edge portion between the retaining jaw 12 having the support frame 10 is maintained at an appropriate interval, it is possible to insert the tip of the pointed tool 40 through the exposed insertion groove 16, Then, when the tip of the tool 40 is turned inward while being supported by the locking jaw 12 of the support frame 10, the lock is brought into contact with the tool 40 through an edge portion between the elastic part and the blocking part. The locking piece 31 of the sphere 30 is engaged with the second locking protrusion 23 through the first locking protrusion 22 so that the blocking portion 37 blocks the operation chamber 24 of the cover 20. At the same time, the remaining pieces such as the locking piece 32 are rotated in the clockwise direction with respect to the coupling rod 21 and the locking piece 32 having the lower portion of the coupling part 33. Support frame 10, the lock will be written to deeply enters the locking groove 14 formed in the.

In addition, when the cover 20 for the maintenance of the water and sewage pipe or communication pipe during use is unlocked by inserting the tip of the tool 40 into the coupling groove 25 extending the operating chamber 24 of the cover 20. When the locking piece 31 of the sphere 30 has the second locking protrusion 23 of the cover 20 to be released, the locking mechanism 30 is rotated counterclockwise by a restoring force by self-elasticity. Since the locking piece 32 having the lower portion 33 is separated from the locking groove 14 of the support frame 10, the cover 20 can be separated from the support frame 10.

And the support frame 10 and the cover 20 used in the present invention has been described as the most commonly used circle as an example, the present invention is supported by the support frame (30) coupled to the support frame (20) 10) and the cover 20 is configured to be locked so that the support frame and the cover is round and the cover 20 is bound to the coupling hole of the support frame 10 without regard to its shape, such as a square other than the circular round Any structure can be applied as long as the structure is settled on the support piece 18 to be formed, and a sealing ring 50 for preventing noise and leakage is inserted between the support piece 18 and the cover 20 of the support frame 10. Of course you can give.

Furthermore, the present invention shows that the cover 20 is connected to the support frame 10 by the lock 30 so that the lock is made, but the support frame and the cover is easy to open and close the weight or size and cover. In order to connect with a hinge in order to connect to the support frame and the cover using the hinge is a general technical means that has been used for a long time in the industry, the present invention is a lock to the support frame and the cover connected to the hinge by the lock This can be done, in this case it is not necessary to adjust the position of the cover when the cover can be combined more conveniently and quickly.

1 is a plan view of the present invention

2 is a partial partial perspective view of the present invention

3 is a perspective view of a lock used in the present invention

4 is a cross-sectional view of the main part before the coupling of the present invention

5 is a main cross-sectional configuration of the combination of the present invention

Figure 6: After the coupling of the present invention

<Description of the symbols for the main parts of the drawings>

(10)-support frame (12)-Jet Jaw

(14)-engaging groove (16)-insertion groove

(18)-base (20)-cover

(21)-Joining Rod (22) (23)-Job

(24)-Operating Chamber (25)-Mating Groove

(30)-Lock (31)-Jang

(32)-Lock (33) (34)-Joint

(36)-Elastic part (37)-Blocking part

(40)-Tool (50)-Sealed Ring

Claims (4)

A support frame 10 having one or more locking grooves 14 formed on the inner wall of the coupling hole; A cover 20 in which a coupling rod 21 and first and second locking protrusions 22 and 23 are formed through an operation chamber 24 at a position facing the locking grooves 14 of the support frame 10; ; It is coupled to the coupling rod 21 of the cover 20 through the coupling portion 33, 34, and the locking piece 32 is formed in the lower portion of the outer coupling portion and the elastic portion 36 and the blocking portion at the upper portion of the coupling portion (37) and the locking piece of the manhole support frame and the cover, characterized in that consisting of a locking mechanism 30 is formed in turn. The method of claim 1, wherein the cover 20 is connected to the support frame (10) by a hinge so that the hinge is opened and closed on the shaft, characterized in that the mantle support frame and the locking device of the cover. The method of claim 1, wherein the insertion groove 16 and the locking jaw 12 is formed in each of the locking grooves 14 of the support frame 10, the inside of the second locking protrusion 23 of the cover 20 The locking groove of the mantle support frame and the cover, characterized in that the coupling groove 25 is configured to be formed. According to claim 1, wherein the mantle support frame and the locking device of the cover, characterized in that the sealing ring 50 is installed between the support piece (18) and the cover 20 of the support frame (10).
KR1020080070060A 2008-07-18 2008-07-18 Locking device of manhole cover and frame KR20100009244A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020080070060A KR20100009244A (en) 2008-07-18 2008-07-18 Locking device of manhole cover and frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020080070060A KR20100009244A (en) 2008-07-18 2008-07-18 Locking device of manhole cover and frame

Publications (1)

Publication Number Publication Date
KR20100009244A true KR20100009244A (en) 2010-01-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020080070060A KR20100009244A (en) 2008-07-18 2008-07-18 Locking device of manhole cover and frame

Country Status (1)

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KR (1) KR20100009244A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018088728A1 (en) * 2016-11-14 2018-05-17 재단법인 오송첨단의료산업진흥재단 Position detection system using rfid and position detection method using same
CN115405250A (en) * 2022-09-23 2022-11-29 中航勘察设计研究院有限公司 Drilling plugging device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018088728A1 (en) * 2016-11-14 2018-05-17 재단법인 오송첨단의료산업진흥재단 Position detection system using rfid and position detection method using same
CN115405250A (en) * 2022-09-23 2022-11-29 中航勘察设计研究院有限公司 Drilling plugging device
CN115405250B (en) * 2022-09-23 2023-12-15 中航勘察设计研究院有限公司 Drilling plugging device

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