CN110056008B - Comprehensive pipe rack safety well lid - Google Patents
Comprehensive pipe rack safety well lid Download PDFInfo
- Publication number
- CN110056008B CN110056008B CN201910298112.2A CN201910298112A CN110056008B CN 110056008 B CN110056008 B CN 110056008B CN 201910298112 A CN201910298112 A CN 201910298112A CN 110056008 B CN110056008 B CN 110056008B
- Authority
- CN
- China
- Prior art keywords
- locking
- cover body
- unlocking
- lid
- well seat
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims description 22
- 230000009471 action Effects 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- -1 heat supply Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013439 planning Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
Landscapes
- 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)
- Power Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Sewage (AREA)
Abstract
The utility model provides a utility tunnel safety well lid, includes well seat, lid and locking device, well seat and well head are fixed, the lid rotates with the well seat to be connected, locking device includes locked groove, locking lever and release mechanism, the locked groove sets up on the well seat, and the locking lever sets up on the lid, release mechanism including set up on the locked groove unblock breach and with first release mechanism and the second release mechanism that the locking lever is connected, lid and well seat lock when the locking lever is located the locked groove and locking lever staggers with unblock breach position, and lid and well seat release the locking when locking lever and unblock breach position align or locking lever break away from the locked groove, first release mechanism and second release mechanism all are connected with the locking lever, and first release mechanism is used for making the locking lever aim at or stagger unblock breach position from lid top application of force, and second release mechanism is used for making the locking lever break away from the locked groove from lid bottom application of force. The invention has the advantages of convenient and quick operation, effective improvement of urban maintenance efficiency, workload reduction and high use safety coefficient.
Description
Technical Field
The invention relates to the technical field of well lid manufacturing, in particular to a comprehensive pipe rack safety well lid.
Background
With the development of urban process, various engineering pipelines such as electric power, communication, fuel gas, heat supply, water supply and drainage in cities are gradually and uniformly moved into an underground passage comprehensive pipe gallery so as to perform unified planning, design, construction and management, the huge pipe systems are provided with special maintenance holes and lifting holes, the comprehensive pipe gallery well covers are well covers with reserved holes, most of the existing pipe gallery well covers are quite common in structure, the problems are that firstly, the opening and the closing are complicated, maintenance personnel need to frequently open the well covers for maintenance, the workload of the maintenance personnel is increased at present when the opening and the closing are time-consuming and laborious, the efficient management of cities is not facilitated, secondly, if the personnel work in the well heads, the personnel in the well heads can not automatically escape, so that danger is easily caused, thirdly, if no external warning device is arranged in time, the personnel fall easily when the well covers are maintained, and therefore, the invention aims at improving the problem.
Disclosure of Invention
The invention aims to obtain the utility tunnel safety manhole cover which is simple and convenient to open and close and high in safety degree.
The technical problems solved by the invention are realized by adopting the following technical scheme:
the utility model provides a utility tunnel safety well lid, includes well seat, lid and locking device, well seat and well head are fixed, the lid rotates with the well seat to be connected, locking device includes locked groove, locking lever and release mechanism, the locked groove sets up on the well seat, and the locking lever sets up on the lid, release mechanism including set up on the locked groove unblock breach and with first release mechanism and the second release mechanism that the locking lever is connected, lid and well seat lock when the locking lever is located the locked groove and locking lever staggers with unblock breach position, lid and well seat release locking when locking lever and unblock breach position align or locking lever break away from the locked groove, first release mechanism and second release mechanism all are connected with the locking lever, and first release mechanism is used for from lid top application of force so that the locking lever aligns or staggers unblock breach position, and second release mechanism is used for from lid bottom application of force so that the locking lever breaks away from the locked groove.
In the invention, the first unlocking mechanism comprises a sliding slot hole and a sliding block, the sliding slot hole is of a strip-shaped hole structure formed in the cover body, the sliding block is embedded in the sliding slot hole, one end of the sliding block is connected with the inner side of the sliding slot hole through a first elastic piece, the bottom of the other end of the sliding block is provided with a connecting block, the connecting block is fixedly connected with the locking rod, and the sliding block moves back and forth along the sliding slot hole under the action of external force so as to drive the locking rod to be far away from or aligned with the unlocking notch.
In the invention, the second unlocking mechanism comprises a bottom plate, a pull ring is arranged on the bottom plate, the bottom plate is fixedly connected with the center of the bottom of the cover body through a second elastic piece, the side surface of the bottom plate is connected with the lock rod through a hinge rod, and the bottom plate moves vertically downwards under the action of external force so as to drive the lock rod to be far away from or aligned with the unlocking notch.
In the invention, the connecting block is arranged at the bottom of the protruding slotted hole, the connecting block is of an inverted T-shaped structure, a U-shaped locking plate is clamped on the connecting block, the U-shaped locking plate is fixed with the locking rod, and the locking rod is connected with the hinging rod through the U-shaped locking plate.
In the invention, the number of the sliding groove holes is two, the corresponding number of the sliding blocks is also two, and the two sliding groove holes are symmetrically distributed along the center of the cover body.
In the invention, the locking groove is a U-shaped groove annularly arranged on the inner wall of the well seat, the unlocking notch is arranged on the upper end surface of the locking groove, the number of the unlocking notch is two, and the two unlocking notches respectively correspond to the positions of the two sliding groove holes.
In the invention, the top of the cover body and the bottom of the well seat are provided with warning diaphragms.
In the invention, a solar photovoltaic panel is also arranged at the top of the cover body, the solar photovoltaic panel is connected with a storage battery, and the storage battery is connected with an alarm aperture.
The application method of the utility tunnel safety manhole cover comprises an external opening method, an internal opening method and a closing method, wherein
The external opening method comprises the following steps: pushing a sliding block in the first unlocking mechanism outside the wellhead to enable the sliding block to move along the sliding groove hole towards the unlocking notch, unlocking the cover body and the well seat when the locking rod is aligned with the unlocking notch, and opening the cover body, wherein the warning aperture at the top of the cover body is opened when the cover body is opened;
the internal opening method comprises the following steps: pulling down the pull ring on the bottom plate in the second unlocking mechanism vertically in the wellhead, separating the lock rod from the locking groove when the pull ring is stressed to a certain extent, unlocking the cover body and the well seat, opening the cover body, returning the bottom plate to the original position under the action of the second elastic piece after opening the cover body, and resetting the lock rod and clamping the lock rod in the locking groove; when the pull ring is stressed, the warning aperture at the bottom of the well seat is opened, and when the cover body is opened, the warning aperture at the top of the cover body is opened;
the closing method comprises the following steps: the sliding block in the first unlocking mechanism is pushed outside the wellhead, so that the sliding block moves in the sliding groove hole towards the unlocking notch, when the locking rod reaches the unlocking notch, the cover body is pressed to enable the cover body to be flatly covered on the well seat, and then the sliding block is pushed continuously to enable the locking rod to be staggered from the unlocking notch in position, so that the cover body is locked on the well seat.
The beneficial effects are that: the utility tunnel safety manhole cover has the advantages that the safety performance is high, the cover body can be opened from the outside and the inside of the manhole cover in different modes, the opening mode is more convenient, the installation and maintenance efficiency is greatly improved, the workload and the working cost of urban maintenance are reduced, the risk of false locking caused by the fact that the traditional manhole cover cannot be opened from the inside is solved, in addition, the cover body is opened from the outside or the inside and has corresponding safety warning, and the occurrence of safety accidents caused when the construction suddenly forgets to design a safety warning board is prevented.
Drawings
FIG. 1 is a schematic diagram of a preferred embodiment of the present invention.
Fig. 2 is a top view of a preferred embodiment of the present invention.
Fig. 3 is a schematic diagram of a connection structure of the first unlocking mechanism and the second unlocking mechanism in a preferred embodiment of the present invention.
Fig. 4 is a schematic structural view of a first unlocking mechanism according to a preferred embodiment of the present invention.
Wherein: 1. a well base; 2. a cover body; 3. a locking groove; 4. a lock lever; 5. unlocking the notch; 6. a slide slot; 7. a slide block; 8. a first elastic member; 9. a connecting block; 10. u-shaped locking plate; 11. a hinge rod; 12. a bottom plate; 13. a pull ring; 14. a solar photovoltaic panel; 15. and a second elastic member.
Detailed Description
The invention is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the invention easy to understand.
Referring to fig. 1 and 2, a preferred embodiment of a utility tunnel safety manhole cover includes a manhole seat 1, a cover body 2 and a locking device, the manhole seat 1 is fixed with a wellhead, and the cover body 2 is rotatably connected with the manhole seat 1, such as hinged, and the rotation angle is 0-90 °. Specifically, the locking device comprises a locking groove 3, a locking rod 4 and an unlocking mechanism, wherein the locking groove 3 is arranged on the well seat 1 and is a U-shaped groove annularly arranged on the inner wall of the well seat, the locking rod 4 is arranged on the cover body 2, the unlocking mechanism comprises an unlocking notch 5 arranged on the locking groove 3, a first unlocking mechanism and a second unlocking mechanism which are connected with the locking rod 4, the locking rod 4 is positioned in the locking groove 3, the cover body 2 is locked with the well seat 1 when the locking rod 4 is staggered with the unlocking notch 5, the cover body 2 is unlocked with the well seat 1 when the locking rod 4 is aligned with the unlocking notch 5 or the locking rod 4 is separated from the locking groove 3, the first unlocking mechanism and the second unlocking mechanism are both connected with the locking rod 4, the first unlocking mechanism is used for applying force from the top of the cover body 2 to align the locking rod 4 or stagger the unlocking notch 5, and the second unlocking mechanism is used for applying force from the bottom of the cover body 2 to separate the locking rod 4 from the locking groove 3.
As shown in fig. 3 and fig. 4, the first unlocking mechanism includes a slot hole 6 and a sliding block 7, the slot hole 6 is a bar-shaped hole structure formed on the cover 2, the sliding block 7 is embedded in the slot hole 6, one end of the sliding block 7 is connected with the inner side of the slot hole 6 through a first elastic member 8, a connecting block 9 is arranged at the bottom of the other end of the sliding block 7, the connecting block 9 is fixedly connected with the lock rod 4, the connecting block 9 protrudes out of the bottom of the slot hole 6, the connecting block 9 is in an inverted T-shaped structure, a U-shaped locking plate 10 is clamped on the connecting block 9, the U-shaped locking plate 10 is fixedly connected with the lock rod 4 or integrally formed, therefore, the sliding block 7 can reciprocate along the slot hole 6 under the action of an external force to drive the lock rod 4 to be far away from or aligned with the unlocking notch, in this embodiment, the number of the sliding slot holes 6 is two, the two corresponding sliding blocks 7 are symmetrically distributed at the center of the cover 2, so that when the unlocking operation is facilitated, the unlocking notch 5 is arranged on the upper end surface of the lock slot 3, the corresponding unlocking notch 5 is two, and the two unlocking notches 5 are respectively corresponding to the positions of the two sliding slot 6.
The second unlocking mechanism comprises a bottom plate 12, a pull ring 13 is arranged at the bottom of the bottom plate 12, the bottom plate 12 is fixedly connected with the bottom center of the cover body 2 through a second elastic piece 15, the side face of the bottom plate 12 is hinged with a U-shaped locking plate 10 through a hinging rod 11, and a certain deformation space is reserved at the joint of the U-shaped locking plate 10 and a connecting block 9, so that the locking rod 4 can be driven to move towards the center of the well seat 1 by pulling the U-shaped locking plate 10, the ratio of the area of the bottom plate 12 to the area of the cover plate 2 is about 1:5, and the bottom plate 12 moves vertically downwards under the action of external force so as to drive the locking rod 4 to be far away from or aligned with the unlocking notch 5 in the direction towards the center of the well seat 1.
The warning aperture is all set up at lid 2 top and well seat 1 bottom, still is provided with position sensor and controller on the well seat 2, and position sensor is used for detecting whether the lid is opened, and lid 2 top still sets up solar photovoltaic board 14, and solar photovoltaic board 14 connects the battery, and warning aperture, position sensor and controller are connected to the battery and for warning aperture, position sensor and controller power supply.
The application method of the utility tunnel safety well cover comprises an external opening method, an internal opening method and a closing method, wherein
The external opening method comprises the following steps: pushing a sliding block 7 in the first unlocking mechanism outside the wellhead to enable the sliding block 7 to move along a chute hole 6 towards an unlocking notch 5, unlocking the cover body 2 and the well seat 1 when the lock rod 4 is aligned with the unlocking notch 5, and opening the cover body 2, wherein a warning aperture at the top of the cover body 2 is opened when the cover body 2 is opened;
the internal opening method comprises the following steps: pulling down a pull ring 13 on a bottom plate 12 in a second unlocking mechanism vertically in a wellhead, separating a lock rod 4 from a locking groove 3 when the pull ring 13 is stressed to a certain degree, unlocking a cover body 2 from a well seat 1, opening the cover body 2, restoring the bottom plate 12 to the original position under the action of a second elastic piece 15 after the cover body 2 is opened, and resetting the lock rod 4 and clamping the lock rod in the locking groove 3; when the pull ring 13 is stressed, the warning aperture at the bottom of the well seat 1 is opened, and when the cover body 2 is opened, the warning aperture at the top of the cover body 2 is opened;
the closing method comprises the following steps: the sliding block 7 in the first unlocking mechanism is pushed outside the wellhead, so that the sliding block 7 moves in the chute hole 6 towards the unlocking notch 5, when the lock rod 4 reaches the unlocking notch 5, the cover body 2 is pressed to enable the cover body 2 to be flatly covered on the well seat 1, and then the sliding block 7 is pushed continuously to enable the lock rod 4 to be staggered with the unlocking notch 5 in position, so that the cover body 2 is locked on the well seat 1.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a utility tunnel safety well lid, its characterized in that includes well seat, lid and locking device, well seat and well head are fixed, the lid is connected with the well seat rotation, locking device includes locked groove, locking lever and release mechanism, the locked groove sets up on the well seat, the locking lever sets up on the lid, release mechanism includes the unblock breach that sets up on the locked groove and with first release mechanism and the second release mechanism that lock lever is connected, the locking lever is located the locked groove and the lid is locked with the well seat when locking lever and unblock breach position stagger, the lid is unlocked with the well seat when locking lever and unblock breach position align or locking lever break away from the locked groove, first release mechanism is connected with the second release mechanism, first release mechanism is used for from the lid top application of force in order to make the locking lever aim at or stagger unblock breach position, second release mechanism is used for from the lid bottom application of force in order to make the locking lever break away from the locked groove; the first unlocking mechanism comprises a sliding slot hole and a sliding block, the sliding slot hole is of a strip-shaped hole structure formed in the cover body, the sliding block is embedded in the sliding slot hole, one end of the sliding block is connected with the inner side of the sliding slot hole through a first elastic piece, the bottom of the other end of the sliding block is provided with a connecting block, the connecting block is fixedly connected with the locking rod, and the sliding block reciprocates along the sliding slot hole under the action of external force so as to drive the locking rod to be far away from or aligned with the unlocking notch; the second unlocking mechanism comprises a bottom plate, a pull ring is arranged on the bottom plate, the bottom plate is fixedly connected with the center of the bottom of the cover body through a second elastic piece, the side face of the bottom plate is connected with the lock rod through a hinge rod, and the bottom plate moves vertically downwards under the action of external force so as to drive the lock rod to be far away from or aligned with the unlocking notch.
2. The utility tunnel safety manhole cover of claim 1, wherein the connecting block protrudes out of the bottom of the sliding slot hole, the connecting block is of an inverted T-shaped structure, a U-shaped locking piece is clamped on the connecting block, the U-shaped locking piece is fixed with the locking rod, and the locking rod is connected with the hinging rod through the U-shaped locking piece.
3. The utility tunnel safety manhole cover of claim 2, wherein the number of the chute holes is two, the corresponding number of the sliding blocks is also two, and the two chute holes are distributed on the cover body in a central symmetry manner.
4. The utility tunnel safety manhole cover of claim 3, wherein the locking groove is a U-shaped groove annularly arranged on the inner wall of the manhole seat, the unlocking notches are arranged on the upper end face of the locking groove, the number of the unlocking notches is two, and the two unlocking notches respectively correspond to the two sliding groove hole positions.
5. The utility tunnel safety manhole cover of claim 4, wherein the cover top and the base bottom are provided with warning apertures.
6. The utility tunnel safety manhole cover of claim 5, wherein the cover top is further provided with a solar photovoltaic panel, the solar photovoltaic panel is connected with a storage battery, and the storage battery is connected with a warning aperture.
7. The utility tunnel safety manhole cover using method based on claim 5, which is characterized by comprising an external opening method, an internal opening method and a closing method, wherein
The external opening method comprises the following steps: pushing a sliding block in the first unlocking mechanism outside the wellhead to enable the sliding block to move along the sliding groove hole towards the unlocking notch, unlocking the cover body and the well seat when the locking rod is aligned with the unlocking notch, and opening the cover body, wherein the warning aperture at the top of the cover body is opened when the cover body is opened;
the internal opening method comprises the following steps: pulling down the pull ring on the bottom plate in the second unlocking mechanism vertically in the wellhead, separating the lock rod from the locking groove when the pull ring is stressed to a certain extent, unlocking the cover body and the well seat, opening the cover body, returning the bottom plate to the original position under the action of the second elastic piece after opening the cover body, and resetting the lock rod and clamping the lock rod in the locking groove; when the pull ring is stressed, the warning aperture at the bottom of the well seat is opened, and when the cover body is opened, the warning aperture at the top of the cover body is opened;
the closing method comprises the following steps: the sliding block in the first unlocking mechanism is pushed outside the wellhead, so that the sliding block moves in the sliding groove hole towards the unlocking notch, when the locking rod reaches the unlocking notch, the cover body is pressed to enable the cover body to be flatly covered on the well seat, and then the sliding block is pushed continuously to enable the locking rod to be staggered from the unlocking notch in position, so that the cover body is locked on the well seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910298112.2A CN110056008B (en) | 2019-04-15 | 2019-04-15 | Comprehensive pipe rack safety well lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910298112.2A CN110056008B (en) | 2019-04-15 | 2019-04-15 | Comprehensive pipe rack safety well lid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110056008A CN110056008A (en) | 2019-07-26 |
| CN110056008B true CN110056008B (en) | 2024-03-15 |
Family
ID=67318870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910298112.2A Active CN110056008B (en) | 2019-04-15 | 2019-04-15 | Comprehensive pipe rack safety well lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110056008B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110714487A (en) * | 2019-10-30 | 2020-01-21 | 中国人民解放军63926部队 | Semi-open type anti-explosion well cover for emission site |
| CN111608250A (en) * | 2020-06-15 | 2020-09-01 | 潘洁明 | Inlet and outlet device for inspection well |
| CN112373927B (en) * | 2020-10-29 | 2022-07-19 | 立兆股份有限公司 | Vacuum storage bag assembly and vacuum storage system |
| CN114960760B (en) * | 2021-02-26 | 2024-05-10 | 福建汇钜金属制品有限公司 | City well lid convenient to maintenance |
| CN113089722B (en) * | 2021-04-06 | 2022-01-28 | 惠州市金雄城建筑科技有限公司 | Piping lane building integrated configuration who utilizes function is collected to rainwater based on BIM |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008022024A1 (en) * | 2008-05-02 | 2009-11-05 | GAV GmbH Schachtabdeckungen Entwässerungstechnik | Housing shaft, has thrust bearing connected with locking lever, where locking lever is connected with operating device such that locking lever is movable away from locking part and bearing is pivotable into release position |
| CN205243199U (en) * | 2015-11-23 | 2016-05-18 | 周听昌 | Opening device for hole handhole door of fleing is inboard |
| CN106968274A (en) * | 2017-04-19 | 2017-07-21 | 杨省三 | A kind of antitheft escape intelligent well cover |
| CN107165197A (en) * | 2017-07-18 | 2017-09-15 | 中冶华天南京工程技术有限公司 | Pipe gallery escape well well lid |
| CN206736971U (en) * | 2017-04-19 | 2017-12-12 | 杨省三 | A kind of antitheft escape intelligent well cover |
| CN206971283U (en) * | 2017-05-10 | 2018-02-06 | 丹阳市迪高五金制品有限公司 | A kind of Pipeline lock inner cap |
| CN107761776A (en) * | 2017-09-30 | 2018-03-06 | 河北沃森橡胶科技有限公司 | A kind of antitheft automatic mechanical lock and its well lid closure and open method for well lid |
| CN207295786U (en) * | 2017-09-30 | 2018-05-01 | 河北沃森橡胶科技有限公司 | A kind of antitheft automatic mechanical lock for well lid |
| CN208563388U (en) * | 2018-05-29 | 2019-03-01 | 温州林信科技有限公司 | The antitheft municipal well lid of one kind and its extracting tool |
| CN210395445U (en) * | 2019-04-15 | 2020-04-24 | 湖南金龙智造科技股份有限公司 | Utility tunnel safety well lid |
-
2019
- 2019-04-15 CN CN201910298112.2A patent/CN110056008B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008022024A1 (en) * | 2008-05-02 | 2009-11-05 | GAV GmbH Schachtabdeckungen Entwässerungstechnik | Housing shaft, has thrust bearing connected with locking lever, where locking lever is connected with operating device such that locking lever is movable away from locking part and bearing is pivotable into release position |
| CN205243199U (en) * | 2015-11-23 | 2016-05-18 | 周听昌 | Opening device for hole handhole door of fleing is inboard |
| CN106968274A (en) * | 2017-04-19 | 2017-07-21 | 杨省三 | A kind of antitheft escape intelligent well cover |
| CN206736971U (en) * | 2017-04-19 | 2017-12-12 | 杨省三 | A kind of antitheft escape intelligent well cover |
| CN206971283U (en) * | 2017-05-10 | 2018-02-06 | 丹阳市迪高五金制品有限公司 | A kind of Pipeline lock inner cap |
| CN107165197A (en) * | 2017-07-18 | 2017-09-15 | 中冶华天南京工程技术有限公司 | Pipe gallery escape well well lid |
| CN107761776A (en) * | 2017-09-30 | 2018-03-06 | 河北沃森橡胶科技有限公司 | A kind of antitheft automatic mechanical lock and its well lid closure and open method for well lid |
| CN207295786U (en) * | 2017-09-30 | 2018-05-01 | 河北沃森橡胶科技有限公司 | A kind of antitheft automatic mechanical lock for well lid |
| CN208563388U (en) * | 2018-05-29 | 2019-03-01 | 温州林信科技有限公司 | The antitheft municipal well lid of one kind and its extracting tool |
| CN210395445U (en) * | 2019-04-15 | 2020-04-24 | 湖南金龙智造科技股份有限公司 | Utility tunnel safety well lid |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110056008A (en) | 2019-07-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110056008B (en) | Comprehensive pipe rack safety well lid | |
| CN105297779B (en) | A kind of port lid automatic flip device | |
| CN107448768A (en) | A kind of bursting diaphragm being easily installed | |
| CN210395445U (en) | Utility tunnel safety well lid | |
| CN108118973B (en) | Communication well lid lock | |
| CN207314393U (en) | A kind of anti-flood Sewage well cover | |
| CN108050299B (en) | A kind of passive control method in low-pressure drainage system | |
| CN210088114U (en) | Valve protection device for drainage pipe of runoff pond | |
| CN212896478U (en) | Intelligence well lid installation device | |
| CN205242450U (en) | Handhole door is from moving out device | |
| CN209723933U (en) | A kind of fingerprint-based padlock | |
| CN202530847U (en) | Anti-theft mechanism used for door | |
| CN208039320U (en) | A kind of pressing rotary safe manhole cover | |
| CN209925741U (en) | Power assisting device on valve handle | |
| CN211602063U (en) | Intelligent water meter shell convenient to install | |
| CN2412928Y (en) | Safety manhole cover | |
| CN208763470U (en) | A kind of computer room of quick-assembling | |
| CN205242449U (en) | Special handhole door of city utility tunnel | |
| CN205445201U (en) | Take padlock in hole that leaks | |
| CN217782023U (en) | Pile foundation reinforced structure for road and bridge engineering | |
| CN221167923U (en) | Well lid with monitor function | |
| CN210426765U (en) | Wireless vibration sensor of multipurpose formula | |
| CN203142612U (en) | Anti-theft protecting device of oil tank | |
| CN213272805U (en) | Device for preventing mouse from entering heating stove | |
| CN211258092U (en) | Intelligent lock key hole protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |