KR20130067976A - Device for fixing of manhole cover - Google Patents

Device for fixing of manhole cover Download PDF

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Publication number
KR20130067976A
KR20130067976A KR1020110135072A KR20110135072A KR20130067976A KR 20130067976 A KR20130067976 A KR 20130067976A KR 1020110135072 A KR1020110135072 A KR 1020110135072A KR 20110135072 A KR20110135072 A KR 20110135072A KR 20130067976 A KR20130067976 A KR 20130067976A
Authority
KR
South Korea
Prior art keywords
manhole cover
manhole
support
fixing rod
fixing
Prior art date
Application number
KR1020110135072A
Other languages
Korean (ko)
Inventor
남두호
Original Assignee
한국주철산업주식회사
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 한국주철산업주식회사 filed Critical 한국주철산업주식회사
Priority to KR1020110135072A priority Critical patent/KR20130067976A/en
Publication of KR20130067976A publication Critical patent/KR20130067976A/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
    • E02D2200/00—Geometrical or physical properties
    • E02D2200/14—Geometrical or physical properties resilient or elastic
    • E02D2200/146—Springs
    • 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
    • E03F2005/063—Gully gratings with slidable or rotatable 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

PURPOSE: A manhole cover floating type locking device by axis rotation is provided to be rapidly and conveniently opened by operating all latches with operation in which a manhole cover is lifted or is mounted on a support unit. CONSTITUTION: A manhole cover floating type locking device by axis rotation comprises a manhole cover(10), a support unit(40), a fixing rod(20), a lifting plate(30), a latch(35), and a manhole support plate(50). A sliding hole is vertically formed in the center of the manhole cover. A fixing hole(41) including a female screw thread is vertically formed in the center of the support unit. The fixing rod is inserted into the sliding hole and is screwed to the fixing hole. The fixing rod comprises a horizontal pin supporting the lower part of a push unit so that the fixing rod is rotated from the sliding hole of the manhole cover.

Description

Manhole cover floating type lock by shaft rotation {Device for Fixing of manhole cover}

The present invention relates to a manhole cover locking device, and more particularly, by installing a locking device in the lower part of the manhole cover to prevent the separation of the manhole cover, manhole by rotating the shaft to operate a plurality of locking devices by operating one operation unit Lid buoyancy lock.

In general, the manhole cover is seated on the top of the manhole support buried in the ground to prevent pedestrians or vehicles from falling into the manhole when not in use. In recent years, by installing a locking device to prevent the opening of the manhole cover due to the operation of the vehicle or the water pressure in the manhole to prevent safety accidents due to the opening of the manhole cover.

For example, Patent No. 10-0767630 installs a locking device on a manhole cover. Looking at its structure, the manhole cover and the manhole cover are formed in the same vertical bolt hole on the manhole support on which the manhole cover is seated. As it rotates is made of a H-shaped locking means that is engaged and released on the upper surface of the manhole cover and the lower portion of the seating jaw. The manhole cover locking device having such a structure is locked or released as the locking means rotates by 90 °, thereby preventing the manhole cover from being opened. However, since the manhole cover locking device is provided along the edge of the manhole cover, there is a hassle to operate each lock device.

In addition, Patent No. 10-0522295 is to install a locking device on the manhole cover, but the manhole cover is in close contact with the manhole support to serve as a tightening function. The locking disc is formed eccentrically, so that the locking disc is selectively locked to the lower part of the seating jaw according to the rotation of the clamp, and the upper surface of the locking disc is formed to be inclined so that the manhole cover is pulled downward when the locking disc is caught. Is done. The manhole cover locking device having such a structure has an effect of preventing noise by forcibly adhering the manhole cover to the manhole support while preventing the manhole cover from being opened. However, since the manhole cover locking device is also provided along the edge of the manhole cover, there is a hassle to operate each lock device.

[Patent Document 1] KR Patent No. 10-0767630 (2007.10.10) [Patent Document 2] KR Patent No. 10-0522295 (2005.10.15)

Accordingly, the manhole cover buoyancy type locking device according to the present invention rotates all the latches by the operation of simply seating the manhole cover on the manhole support, and all the latches by the operation of lifting the manhole cover on the contrary. It is an object of the present invention to provide a manhole cover subtype locking device by axial rotation that can be opened and closed quickly by operating to release the lock state.

Manhole cover subform locking device by the rotation of the shaft according to the present invention for achieving the above object,

A manhole cover which vertically forms a slide ball in the center;

A horizontal support portion positioned below the manhole cover and having a fixing hole vertically formed in the center thereof;

A fixed rod having an extended head formed at an upper portion thereof and inserted into a slide ball of a manhole cover, and fitted into a fixing hole of a support portion by a lower fixing means to be selectively fixed to it;

A lifting plate provided between the manhole cover and the pedestal but having a hole in the center thereof, the fixing rod is installed therethrough, and the lifting plate being in close contact with the bottom of the manhole cover by a compression spring below;

One end is coupled to the edge of the elevating plate by a horizontal axis and the other end is rotated to latch on the support edge by its own weight; And

A manhole support having a plurality of upper seating jaws and a lower seating jaw formed therein so as to seat the manhole cover and the supporting part, and a groove part into which a latch is inserted; .

In addition, the fixing means is characterized in that to form a male screw thread on the lower outer periphery of the fixing rod, and to form a female screw thread in the fixing hole of the pedestal.

In addition, the fixing means, the fixing means is formed in the vertical direction of the uneven portion having a predetermined length on the lower sides of the fixing rod, and the uneven portion is formed in the vertical direction on both sides of the fixing hole of the support portion, but less width than the section without the uneven portion of the fixing rod Characterized in that formed.

Manhole cover subform locking device by the rotation of the shaft according to the present invention made of a structure as described above are all locked by the operation by simply seating the manhole cover on the manhole support and all the clasp by the operation of lifting the manhole cover on the contrary The operation is released because the lock is released very quickly and easily has the effect of opening and closing.

In addition, when the inner lid is used as a supporting part, since the inner lid is coupled to the lower part of the manhole cover, there is an effect of seating or opening the supporting part and the manhole cover at once, and the groove part for inserting the lever into the edge There is no need to form, the appearance is very beautiful effect.

In addition, since the structure constituting the locking device is located in the manhole, it is completely protected from the outside and does not break, so that it can be used for a long time.

Figure 1 is an exploded perspective view showing the structure of the manhole cover subform locking device by the rotation of the shaft in accordance with the present invention.
Figure 2a, 2b, 2c is a cross-sectional view showing the operating state of the manhole cover subform locking device by the rotation of the shaft in accordance with the present invention.
Figure 3a, 3b is an illustration showing the structure of the manhole cover subform locking device by the rotation of the shaft according to another embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

1 is an exploded perspective view showing the structure of the manhole cover substyle locking device by the rotation of the shaft according to the present invention, Figures 2a, 2b, 2c is an operating state of the manhole cover subform locking device by the rotation of the shaft according to the present invention It is a cross-sectional view showing the state of use.

As shown in these drawings, the manhole cover subform locking device by rotating the shaft according to the present invention is located at the bottom of the manhole cover 10 and the manhole cover 10 having the slide ball 11 formed vertically in the center thereof. And a horizontal support 40 having a fixed hole 41 vertically formed in the center and an extended head 21 formed thereon, inserted into the slide ball 11 of the manhole cover 10, and fixed at the bottom thereof. It is provided between the fixing rod 20 and the manhole cover 10 and the support portion 40 to be inserted into the fixing hole 41 of the support portion 40 by means, and is fixed selectively, and forms a hole 31 in the center. The lifting rod 30 is installed through the lifting plate 30 is in close contact with the bottom surface of the manhole cover 10 by the compression spring 33 of the lower, and one end of the horizontal shaft on the edge of the lifting plate 30 (36) is coupled and the other end is rotated, the latch 35 which is placed on the edge of the support portion 40 by its own weight, the manhole cover 10 and the support The manhole support 50 in which the upper seating jaw 51 and the lower seating jaw 52 are formed in multiple stages so that the needle 40 is seated, and the recess 53 is inserted into the upper seating jaw 52. It is composed of

The manhole cover 10 has a slide hole 11 vertically formed in the center portion thereof, and a slot 12 having an expanded diameter on the upper portion of the slide ball 11 is formed. In the center of the bottom surface, the pressing part 13 which presses the elevating plate 30 protrudes, and the slide ball 11 is extended by sufficient length by the pressing part 13 which protrudes.

The support portion 40 is provided in the lower portion of the manhole cover 10 is formed in a plate shape and the fixing hole 41 is vertically penetrated in the center thereof is inserted into the slide hole 11 of the manhole cover 10. Is connected with the fixed rod 20. In addition, the bottom of the support portion 40 prevents the deformation of the fixing rod 20 by forming a protruding jaw protruding longer than the length of the fixing rod 20 so that the fixing rod 20 does not touch the floor when placed on the floor. do. The support portion 40 may be formed to correspond to the lower portion of the clasp 35, respectively, or may be formed of a disc as shown in the figure. Note that it can be used to replace the inner lid when forming a disc.

The fixing rod 20 is made of an elongated rod shape to be fitted in the slide hole 11 of the manhole cover 10 and the fixing hole 41 of the support portion 40 and the head 21 having an expanded diameter on the upper portion thereof. Is formed is buried in the seat 12 of the manhole cover 10 is seated. A male screw thread 22 is formed at the lower outer periphery of the fixing rod 20, and a female screw thread is formed at the fixing hole 41 of the support part 40 to be fastened by a spiral coupling. By such a structure, the fixed rod 20 moves up and down in the vertical direction from the slide ball 11 of the manhole cover 10.

The elevating plate 30 is provided between the manhole cover 10 and the base 40 and the latches 35 are installed at both ends of the elevating plate 30. The elevating plate 30 is formed of a horizontal plate, a hole 31 through which the fixed rod 20 penetrates is formed in the center thereof, and horizontal arms 32 protrude from both sides. The lower portion of the elevating plate 30 is provided with a compression spring 33 is always in close contact with the pressing portion 13 formed on the bottom surface of the manhole cover 10 by always lifting the elevating plate 30 upward. do. Therefore, when the manhole cover 10 is elevated, the elevating plate 30 is lifted by the compression spring 33, and when the manhole cover 10 is lowered, the compression spring 33 is compressed while the elevating plate 30 is lowered. .

The rod-shaped clasps 35 are coupled to both arms 32 of the elevating plate 30, respectively. The shaft 36 is horizontally coupled between the clasp 35 and the arm 32 such that the clasp 35 freely rotates from the arm 32 in the vertical direction. The other end of the clasp 35 coupled to the shaft 36 is positioned downward by its own weight. As the supporting part 40 is positioned at the lower part of the clasp 35, the end of the clasp 35 is supported by the supporting part 40. It is placed on the upper surface of the inclined state. At this time, the end of the clasp 35 is positioned at the edge of the base 40. When the lifting plate 30 is lowered by the structure as described above, the portion of the shaft 36 coupled to the lower portion of the clasp 35 is lowered, while the end is mounted on the support 40 so that the lowering plate 30 cannot be lowered. 40 protrudes to the edge. On the contrary, when the elevating plate 30 moves up and down, the portion coupled to the shaft 36 moves up and down, and the clasp 35 in the horizontal state is inclined to slide in the center direction of the base 40.

As described above, the elevating plate 30 and the clasp 35 may be formed at equal intervals in three directions or at equal intervals in four directions, and may be formed more than that.

On the other hand, the inner periphery of the manhole support 50 is formed with two seating jaw (51) (52). That is, an upper seating jaw 51 in which the manhole cover 10 is seated is formed in the upper part, and a lower seating seat 52 in which the base 40 is seated in the lower part is formed. Here, the lower seating jaw 52 is formed with a smaller diameter than the upper seating jaw 51 so that when the manhole cover 10 to which the support 40 is coupled is seated on the manhole support 50, the support 40 is first. The manhole cover 10 is seated on the upper seating jaw 51 by being seated on the lower seating jaw 52 and then rotating and lowering the manhole cover 10.

In addition, the upper portion of the lower seating jaw 52 of the manhole support 50 forms a groove portion 53 recessed laterally so that the latch 35 is formed when the latch 35 protrudes toward the edge of the support portion 40. 53).

It will be described in detail the effect of the operation of the manhole cover subform locking device by the rotation of the shaft according to the present invention made of a structure as described above.

When the manhole cover 10 of the present invention is intended to be seated and fixed to the manhole support 50, the manhole cover 10 is lifted and seated on the manhole support 50. At this time, as shown in Figure 2a the support portion 40 provided in the lower portion of the manhole cover 10 is seated on the lower seating jaw 52 and then the manhole cover 10 is seated on the upper seating jaw 51 In this process, as shown in FIG. 2B, the pressing part 13 of the manhole cover 10 is pressed down on the elevating plate 20, and the elevating plate 20 is lowered by the pressing part 12. The latch 30 connected to the elevating plate 20 is also horizontally positioned while being lowered, and an end thereof is inserted into the groove 53 of the manhole support 50. In this state, since the fixing rod 20 is in a spiral coupled state with the support 40, only the manhole cover 10 is lowered to protrude the fixing rod 20 toward the upper portion of the manhole cover 10. By rotating and lowering the fixed bar 20 protruding as described above, the lock state is completed by preventing the head 21 from being buried upward by pressing the manhole cover 10 at the same time as the head 21 is buried in the dig 12.

On the contrary, when the manhole cover 10 is to be opened, first, the fixing rod 20 is rotated to sufficiently protrude to the upper part of the manhole cover 10, and then the manhole cover 10 is lifted up and the pressing portion 13 is pressed. The lower plate 30 is lifted by the lower compression spring 33 to raise the connected clasp 35. As one end of the clasp 35 is raised, the clasp 35 is gradually inclined and the manhole support 50 is The disengaged state is released by disengaging the end inserted into the groove 53.

As such, the clasp 35 is caught and released from the manhole support 50 by simply seating and lifting the manhole cover 10 on the manhole support 50, so that the manhole cover 10 can be opened and closed quickly and easily.

When the support portion 40 is replaced by the inner lid, when the manhole cover 10 is lifted, the inner lid is also lifted together, thereby opening the manhole cover 10 and the inner lid at the same time.

Figure 3a, 3b, 3c is an exemplary view showing the structure of the manhole cover subform locking device by the rotation of the shaft according to another embodiment of the present invention, the fixing rod 20 in the manhole cover 10 does not rise and fall It was to idle.

The fixing rod 20 forms a horizontal pin hole at a position corresponding to the lower part of the pressing part 13 of the manhole cover, and pins P are pinned to the pin hole to support the bottom of the pressing part 13. To be By such a structure, the fixed rod 20 has a structure that rotates without moving up and down from the manhole cover 10, and moves up and down like the manhole cover 10.

Locking device having such a structure, the rotation of the fixing rod 20, the gap between the manhole cover 10 and the base 40 is narrowed or widened, the operation of the clasp 35 becomes more certain.

10: manhole cover 11: slide ball 12: digging
13: pressing part 20: fixed rod 21: head
22: male thread 23, 43: uneven portion 30: lifting plate
31 hole 32 arm 33 compression spring
35: clasp 36: shaft 40: support
41: screw hole 50: manhole support 51: upper seating jaw
52: lower seating jaw 53: groove P: pin

Claims (2)

A manhole cover 10 having a slide ball 11 formed vertically in the center thereof;
A horizontal support 40 positioned vertically at a lower portion of the manhole cover 10 and having a fixing hole 41 formed with a female thread in the center thereof;
An expansion head 21 is formed at the upper part and inserted into the slide ball 11 of the manhole cover 10, and a fixed rod spirally coupled to the fixing hole 41 of the support part 40 by a male thread of the lower part ( 20);
It is provided between the manhole cover 10 and the pedestal 40 but the hole 32 is formed in the center so that the fixing rod 20 is installed therethrough and is in close contact with the bottom surface of the manhole cover 10 by the compression spring 33 of the lower portion. Elevating plate 30;
One end is coupled to the edge of the elevating plate 30 by a horizontal shaft 36 and the other end is rotated so that the latch 35 is placed on the edge of the support 40 by its own weight; And
The groove portion 53 in which the upper seating jaw 51 and the lower seating jaw 52 are formed in multiple stages so that the manhole cover 10 and the base 40 are seated, and the latch 35 is inserted into the upper seating jaw 52. Manhole support 50 formed; Manhole cover subform locking device by rotating the shaft, characterized in that it comprises a. The axial rotation according to claim 1, wherein the fixing rod (20) drives a horizontal pin (P) supporting the lower part of the pressing part (13) to idle from the slide ball (11) of the manhole cover (10). Manhole cover floating type lock by.
KR1020110135072A 2011-12-15 2011-12-15 Device for fixing of manhole cover KR20130067976A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110135072A KR20130067976A (en) 2011-12-15 2011-12-15 Device for fixing of manhole cover

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KR1020110135072A KR20130067976A (en) 2011-12-15 2011-12-15 Device for fixing of manhole cover

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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101482905B1 (en) * 2014-04-16 2015-01-15 오상석 Mounting structure of a manhole
CN105133655A (en) * 2015-09-01 2015-12-09 深圳市建设（集团）有限公司 Construction method of well lid of road surface inspection well and auxiliary installation device
CN105178361A (en) * 2015-10-15 2015-12-23 泗县宁宇市政设施科技有限公司 Anti-floating well lid
CN105201017A (en) * 2015-09-17 2015-12-30 成都易信达科技股份有限公司 Inversely-pourable well cover
CN105201019A (en) * 2015-10-13 2015-12-30 成都易信达科技股份有限公司 Burglarproof well cover capable of preventing flow backward
KR101580960B1 (en) * 2015-07-10 2015-12-31 한국교통대학교산학협력단 A Locking type Manhole assembly
KR101580959B1 (en) * 2015-06-04 2015-12-31 주식회사 신평주철 A Locking type Manhole assembly having device for lifting manhole cover
CN105239600A (en) * 2015-10-13 2016-01-13 成都易信达科技股份有限公司 Drainage well lid capable of being prevented from being stolen
CN105256841A (en) * 2015-10-13 2016-01-20 成都易信达科技股份有限公司 Backward-flowing well lid
CN105386466A (en) * 2015-10-13 2016-03-09 成都易信达科技股份有限公司 Well lid with water drainage and backflow functions
KR20160144125A (en) * 2015-06-08 2016-12-16 주식회사 창공 A manhole cover
CN106759514A (en) * 2017-03-28 2017-05-31 章俊 The non collapsible well lid that a kind of municipal road engineering is used
CN108708401A (en) * 2018-06-07 2018-10-26 马千里 Inspection well cover
CN108708400A (en) * 2018-06-07 2018-10-26 马千里 A kind of anti-stealing manhole cover
CN108755770A (en) * 2018-06-07 2018-11-06 马千里 A kind of inspection well cover with filter cylinder
CN108755771A (en) * 2018-06-07 2018-11-06 马千里 A kind of inspection well cover of band warning fly rod
KR20190017367A (en) 2017-08-11 2019-02-20 주식회사 대영통신 Manhole with locking and lifting functions of cover
CN110924444A (en) * 2019-11-30 2020-03-27 盐城市何达城市开发建设有限公司 City infrastructure is built with inspection shaft tentatively sealing equipment

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015160096A1 (en) * 2014-04-16 2015-10-22 오상석 Manhole structure that is easily fixed and closed
KR101482905B1 (en) * 2014-04-16 2015-01-15 오상석 Mounting structure of a manhole
KR101580959B1 (en) * 2015-06-04 2015-12-31 주식회사 신평주철 A Locking type Manhole assembly having device for lifting manhole cover
KR20160144125A (en) * 2015-06-08 2016-12-16 주식회사 창공 A manhole cover
KR101580960B1 (en) * 2015-07-10 2015-12-31 한국교통대학교산학협력단 A Locking type Manhole assembly
CN105133655A (en) * 2015-09-01 2015-12-09 深圳市建设（集团）有限公司 Construction method of well lid of road surface inspection well and auxiliary installation device
CN105201017A (en) * 2015-09-17 2015-12-30 成都易信达科技股份有限公司 Inversely-pourable well cover
CN105239600A (en) * 2015-10-13 2016-01-13 成都易信达科技股份有限公司 Drainage well lid capable of being prevented from being stolen
CN105201019A (en) * 2015-10-13 2015-12-30 成都易信达科技股份有限公司 Burglarproof well cover capable of preventing flow backward
CN105256841A (en) * 2015-10-13 2016-01-20 成都易信达科技股份有限公司 Backward-flowing well lid
CN105386466A (en) * 2015-10-13 2016-03-09 成都易信达科技股份有限公司 Well lid with water drainage and backflow functions
CN105178361A (en) * 2015-10-15 2015-12-23 泗县宁宇市政设施科技有限公司 Anti-floating well lid
CN106759514A (en) * 2017-03-28 2017-05-31 章俊 The non collapsible well lid that a kind of municipal road engineering is used
KR20190017367A (en) 2017-08-11 2019-02-20 주식회사 대영통신 Manhole with locking and lifting functions of cover
CN108708401A (en) * 2018-06-07 2018-10-26 马千里 Inspection well cover
CN108708400A (en) * 2018-06-07 2018-10-26 马千里 A kind of anti-stealing manhole cover
CN108755770A (en) * 2018-06-07 2018-11-06 马千里 A kind of inspection well cover with filter cylinder
CN108755771A (en) * 2018-06-07 2018-11-06 马千里 A kind of inspection well cover of band warning fly rod
CN110924444A (en) * 2019-11-30 2020-03-27 盐城市何达城市开发建设有限公司 City infrastructure is built with inspection shaft tentatively sealing equipment

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