CN112227424A - Anti-impact safety well cover - Google Patents
Anti-impact safety well cover Download PDFInfo
- Publication number
- CN112227424A CN112227424A CN202011265513.7A CN202011265513A CN112227424A CN 112227424 A CN112227424 A CN 112227424A CN 202011265513 A CN202011265513 A CN 202011265513A CN 112227424 A CN112227424 A CN 112227424A
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- rubber
- groove
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- cover
- clamping
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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
-
- 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
- E02D29/1481—Security devices, e.g. indicating unauthorised opening
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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)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to the technical field of well lids, and discloses an anti-scour-walking safety well lid which comprises a base and a cover plate, wherein a through hole vertically penetrates through the middle part of the base, a plate groove is formed above the base and is communicated with the through hole, the cover plate is arranged in the plate groove of the base, a locking mechanism and a vibration damping mechanism are arranged between the base and the cover plate, and the locking mechanism comprises a groove, a rotating rod, a rubber cover, a cover groove, a rubber cylinder, a rotating plate, a circular plate, a clamping groove, a butting block and a clamping plate; the bull stick is two, and the vertical rotatable both sides that run through the apron of bull stick, and the bottom of bull stick runs through to apron below. According to the invention, the locking mechanisms are arranged between the two sides of the cover plate and the base, after the cover plate is arranged in the plate groove, the rotating plate and the circular plate are rotated to drive the clamping plate at the bottom of the rotating rod to be clamped in the clamping groove, so that the cover plate is locked, and the vibration reduction structure is matched with the locking effect of the clamping plate and the clamping groove, so that the well cover can be effectively prevented from being washed away, and meanwhile, the noise reduction effect is better.
Description
Technical Field
The invention relates to the technical field of well lids, in particular to an anti-impact safety well lid.
Background
At present, the well lid, be used for hiding road or the deep well in the family, prevent that people or object from falling, can divide into metal well lid according to the material, high strength fiber cement concrete well lid, resin well lid etc. generally adopt circularly, can be used to the greenbelt, the pavement, the motorway, the pier, lane etc., the well lid board is because rolling that past vehicle was not stopped, it damages even to stick up very easily, there is the potential safety hazard, current double-deck well lid structure is complicated, loading and unloading are troublesome, the cost is higher, large-scale load vehicle rolls the process, it is not hard up to produce resonance very easily, easily rush by the flood.
The weight of prior art through increasing the well lid makes simultaneously to set up the rubber pad between well lid and the well lid base and realizes the damping and prevent to wash away simultaneously, however in the in-service use process, the rubber pad can produce wearing and tearing or damage equally, and is general to the fastening effect of well lid, and the well lid is equally easily washed away. Therefore, the anti-impact safety well lid is provided.
Disclosure of Invention
The invention aims to provide an anti-flushing safety well lid, wherein locking mechanisms are arranged between two sides of a cover plate and a base, after the cover plate is arranged in a plate groove, a rotating plate and a circular plate are rotated to drive a clamping plate at the bottom of a rotating rod to be clamped in a clamping groove, so that the cover plate is locked, and a vibration damping structure is matched with the locking effect of the clamping plate and the clamping groove, so that the well lid can be effectively prevented from being flushed away, a good noise reduction effect is achieved, and the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a walking-preventing safety well cover comprises a base and a cover plate, wherein a through hole vertically penetrates through the middle of the base, a plate groove is formed in the upper portion of the base and communicated with the through hole, the cover plate is arranged in the plate groove of the base, and a locking mechanism and a vibration damping mechanism are arranged between the base and the cover plate;
the locking mechanism comprises a groove, a rotating rod, a rubber cover, a cover groove, a rubber cylinder, a rotating plate, a circular plate, a clamping groove, a resisting block and a clamping plate; the rubber cover is characterized in that the number of the rotating rods is two, the rotating rods vertically and rotatably penetrate through two sides of the cover plate, the bottoms of the rotating rods penetrate below the cover plate, clamping plates are transversely fixed at the bottoms of the rotating rods, clamping grooves are formed in the surface of the inner wall of the base on one side of each clamping plate, abutting blocks are arranged above and below the clamping grooves, the abutting blocks are multiple, the tops of the rotating rods are arranged in grooves formed in the surface of the cover plate, circular plates are fixed at the tops of the rotating rods and arranged in the grooves, rotating plates are vertically fixed above the circular plates, cover grooves are formed in the surface of the cover plate above the grooves and communicated with the grooves, rubber covers are embedded in the cover grooves above the grooves, rubber cylinders are fixedly connected to the bottoms of the rubber covers, and the outer rings of the rubber cylinders are tightly attached to the surfaces of the inner;
the vibration reduction mechanism comprises a rubber ring, a ring groove, a rubber pad, a rubber bump and a second clamping groove; the annular has been seted up in encircleing to the outer lane side surface of apron, and the apron outer lane in the annular has been encircleed the cover and has been put the rubber circle, and the outer lane of rubber circle pastes tightly at board groove inner wall surface, the bottom outer lane surface of board groove top apron is fixed with the rubber pad around the laminating, and the surface of board groove is arranged in to the bottom of rubber pad, and the apron bottom of rubber pad top is connected and is fixed with rubber lug, and rubber lug is a plurality of, and rubber lug runs through the rubber pad, and in rubber lug arranged in the second draw-in groove that its below base surface was seted up, and rubber lug equals with the quantity.
As a preferred embodiment of the present invention, four first slots are formed in the outer ring surface of the circular plate, and four clamping blocks are arranged on the inner ring surface of the rubber cylinder, and are embedded in the first slots.
In a preferred embodiment of the present invention, a rubber sleeve is sleeved on the outer ring surface of the clamping plate, and the inner ring of the rubber sleeve is tightly attached to the surface of the clamping plate.
In a preferred embodiment of the present invention, an arc groove is formed on a surface of the outer ring of the rubber cover, and the arc groove is located at a side edge of the rubber cover.
As a preferred embodiment of the present invention, a limiting groove is formed in the cover plate of the inner ring of the rubber ring, a limiting rubber is connected to the inner side of the rubber ring outside the limiting groove, and the limiting rubber is embedded in the limiting groove.
As a preferred embodiment of the present invention, the plurality of limiting rubbers and the plurality of limiting grooves are both provided, and the plurality of limiting rubbers and the plurality of limiting grooves are uniformly distributed on the inner ring of the rubber ring and the outer ring of the cover plate.
As a preferred embodiment of the present invention, the limiting rubber and the rubber ring are connected to form an integral structure.
In a preferred embodiment of the present invention, the clamping plate and the rotating rod are made of stainless steel, and the clamping plate is fixed at the bottom of the rotating rod by welding.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the anti-impact safe well lid, the locking mechanisms are arranged between the two sides of the cover plate and the base, after the cover plate is arranged in the plate groove, the rotating plate and the circular plate are rotated to drive the clamping plate at the bottom of the rotating rod to be clamped in the clamping groove, so that the cover plate is locked, the vibration damping structure is matched with the locking effect of the clamping plate and the clamping groove, the well lid can be effectively prevented from being flushed away, and meanwhile, the anti-impact safe well lid has a good noise reduction effect.
2. According to the anti-impact safe well lid, the first clamping grooves are formed in the surface of the outer ring of the circular plate, the number of the first clamping grooves is four, the clamping blocks are arranged on the surface of the inner ring of the rubber cylinder and embedded into the first clamping grooves, and the rubber lid is arranged in the lid groove, so that the circular plate can be locked after the clamping blocks of the rubber cylinder are clamped in the first clamping grooves, and the rotating rod is prevented from rotating along with the rubber lid when the well lid is vibrated.
3. According to the anti-impact safety well lid, the rubber sleeve is sleeved on the surface of the outer ring of the clamping plate, the inner ring of the rubber sleeve is tightly attached to the surface of the clamping plate, and when the clamping plate is arranged between the abutting blocks in the clamping groove, the rubber sleeve is in contact with the abutting blocks, so that a good anti-skidding effect is achieved.
4. According to the anti-impact safety well lid, the arc groove is formed in the surface of the outer ring of the rubber lid and is located at the side edge of the rubber lid, so that when the rubber lid is placed in the lid groove, a tool can be used for prying the rubber lid through the arc groove.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of the overall structure of the anti-flushing safety well cover of the present invention;
FIG. 2 is a detailed structural diagram of the position A of the anti-washing safety well cover;
FIG. 3 is a schematic view of a connection structure of a rubber cylinder and a groove of the anti-washing safety well lid of the invention;
FIG. 4 is a schematic structural diagram of an outer ring of a cover plate of the anti-washing safety well cover of the invention;
fig. 5 is a detailed structural schematic diagram of a position B of the anti-flushing safety well cover.
In the figure: 1. a base; 2. a cover plate; 3. a plate groove; 4. a rubber ring; 5. a ring groove; 6. a groove; 7. a rubber pad; 8. a rotating rod; 9. a port; 10. a rubber cover; 11. a cover groove; 12. a rubber cylinder; 13. a first card slot; 14. a rotating plate; 15. a circular plate; 16. a rubber bump; 17. a second card slot; 18. a clamping groove; 19. a resisting block; 20. a splint; 21. a rubber sleeve; 22. a limiting groove; 23. limiting rubber; 24. an arc groove; 25. and (7) clamping blocks.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the type of the electrical appliance provided by the invention is only used for reference. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.
Referring to fig. 1-5, the present invention provides a technical solution: an anti-impact safety well lid comprises a base 1 and a cover plate 2, wherein a through hole 9 vertically penetrates through the middle part of the base 1, a plate groove 3 is formed above the base 1, the plate groove 3 is communicated with the through hole 9, the cover plate 2 is arranged in the plate groove 3 of the base 1, and a locking mechanism and a vibration damping mechanism are arranged between the base 1 and the cover plate 2;
the locking mechanism comprises a groove 6, a rotating rod 8, a rubber cover 10, a cover groove 11, a rubber cylinder 12, a rotating plate 14, a circular plate 15, a clamping groove 18, a resisting block 19 and a clamping plate 20; the number of the rotating rods 8 is two, the rotating rods 8 vertically and rotatably penetrate through two sides of the cover plate 2, the bottom of each rotating rod 8 penetrates below the cover plate 2, a clamping plate 20 is transversely fixed at the bottom of each rotating rod 8, a clamping groove 18 is formed in the surface of the inner wall of the base 1 on one side of each clamping plate 20, and the upper part and the lower part inside the clamping groove 18 are provided with a plurality of resisting blocks 19, the top of the rotating rod 8 is arranged in the groove 6 arranged on the surface of the cover plate 2, and a circular plate 15 is fixed on the top of the rotating rod 8, the circular plate 15 is arranged in the groove 6, a rotating plate 14 is vertically fixed above the circular plate 15, a cover groove 11 is arranged on the surface of the cover plate 2 above the groove 6, the cover groove 11 is communicated with the groove 6, the rubber cover 10 is embedded in the cover groove 11 above the groove 6, the bottom of the rubber cover 10 is fixedly connected with the rubber cylinder 12, and the outer ring of the rubber cylinder 12 is closely attached to the surface of the inner wall of the groove 6;
the vibration reduction mechanism comprises a rubber ring 4, an annular groove 5, a rubber pad 7, a rubber bump 16 and a second clamping groove 17; the outer lane side surface of apron 2 encircles and has seted up annular 5, and 2 outer lanes of apron in the annular 5 encircle the cover and have put rubber circle 4, and the outer lane of rubber circle 4 pastes tightly at 3 inner wall surfaces of board groove, the bottom outer lane surface of 3 top apron 2 in board groove encircles the laminating and is fixed with rubber pad 7, and the surface of board groove 3 is arranged in to the bottom of rubber pad 7, and 2 bottoms of apron above rubber pad 7 are connected and are fixed with rubber lug 16, and rubber lug 16 is a plurality of, and rubber lug 16 runs through rubber pad 7, and rubber lug 16 arranges in the second draw-in groove 17 that its below base 1 surface was seted up, and the quantity of rubber lug 16 and second draw-in groove 17 equals.
In this embodiment (please refer to fig. 1-5), the locking mechanisms are disposed between the two sides of the cover plate 2 and the base 1, after the cover plate 2 is disposed in the plate groove 3, the rotating plate 14 and the circular plate 15 are rotated to drive the clamping plate 20 at the bottom of the rotating rod 8 to be clamped in the clamping groove 18, so as to lock the cover plate 2, and the vibration reduction structure is matched with the locking effect of the clamping plate 20 and the clamping groove 18, so that the well lid can be effectively prevented from being washed away, and meanwhile, a good noise reduction effect is achieved.
First clamping grooves 13 are formed in the outer ring surface of the circular plate 15, the number of the first clamping grooves 13 is four, clamping blocks 25 are arranged on the inner ring surface of the rubber tube 12, the number of the clamping blocks 25 is four, and the clamping blocks 25 are embedded in the first clamping grooves 13.
In this embodiment (please refer to fig. 2 and fig. 3), the outer ring surface of the circular plate 15 is provided with four first clamping grooves 13, the inner ring surface of the rubber tube 12 is provided with four clamping blocks 25, the clamping blocks 25 are embedded in the first clamping grooves 13, and the rubber cover 10 is covered in the cover groove 11, so that after the clamping blocks 25 of the rubber tube 12 are clamped in the first clamping grooves 13, the circular plate 15 can be locked, and the rotation rod 8 is prevented from rotating along with the rotation rod when the well lid is vibrated.
Wherein, the outer ring surface of splint 20 has set up rubber sleeve 21, and the inseparable laminating of the inner circle of rubber sleeve 21 is on splint 20 surface.
In this embodiment (see fig. 2), the rubber sleeve 21 is sleeved on the outer ring surface of the clamping plate 20, the inner ring of the rubber sleeve 21 is tightly attached to the surface of the clamping plate 20, and when the clamping plate 20 is disposed between the abutting blocks 19 in the clamping groove 18, the rubber sleeve 21 is in contact with the abutting blocks, so that a good anti-slip effect is achieved.
Wherein, the outer ring surface of the rubber cover 10 is provided with an arc groove 24, and the arc groove 24 is located at the side edge of the rubber cover 10.
In this embodiment (see fig. 2 and 3), the outer ring surface of the rubber cover 10 is provided with an arc groove 24, and the arc groove 24 is located at the side edge of the rubber cover 10, so that when the rubber cover 10 is placed in the cover groove 11, a tool can be used to pry up the rubber cover 10 through the arc groove 24.
Wherein, the inside spacing groove 22 of having seted up of apron 2 of 4 inner circles of rubber circle, the rubber circle 4 inboard in the spacing groove 22 outside is connected with spacing rubber 23, and spacing rubber 23 embedding is inside spacing groove 22.
In this embodiment (see fig. 4 and 5), the rubber ring 4 is fixed by the way that the limiting rubber 23 is clamped in the limiting groove 22.
The limiting rubber 23 and the limiting grooves 22 are multiple, and the limiting rubber 23 and the limiting grooves 22 are uniformly distributed on the inner ring of the rubber ring 4 and the outer ring of the cover plate 2.
Wherein, the limiting rubber 23 is connected with the rubber ring 4 to form an integral structure.
Wherein, splint 20 and bull stick 8 are stainless steel and make, and splint 20 passes through welded fastening in the bull stick 8 bottom.
The invention is a safe well cover of anti-impact running type, including a base 1, a cover plate 2, a plate groove 3, a rubber ring 4, a ring groove 5, a groove 6, a rubber pad 7, a rotating rod 8, a through hole 9, a rubber cover 10, a cover groove 11, a rubber cylinder 12, a first clamping groove 13, a rotating plate 14, a circular plate 15, a rubber bump 16, a second clamping groove 17, a clamping groove 18, a resisting block 19, a clamping plate 20, a rubber sleeve 21, a limiting groove 22, a limiting rubber 23, an arc groove 24, and a clamping block 25, all of which are universal standard components or components known by those skilled in the art, the structure and principle of which are known by those skilled in the art through technical manuals or conventional experimental methods, when in operation, the base 1 is fixed at the well mouth, the cover plate 2 is placed in the plate groove 3 above the through hole 9, the rubber ring 4 of the outer ring is attached to the inner ring of the plate groove 3, and the rubber pad 7 of the bottom is supported on, the rubber bump 16 is arranged in the second clamping groove 17, the cover plate 2 has a good shock absorption and buffering effect, then the rotating plate 14 is screwed to drive the circular plate 15 to rotate, the rotating rod 8 can be driven to rotate, the clamping plate 20 is clamped between the supporting blocks 19 on the upper portion and the lower portion in the clamping groove 18, the supporting blocks 19 are clamped between the upper portion and the lower portion of the clamping plate 20, and have a clamping effect on the clamping plate, then the rubber cover 10 and the rubber cylinder 12 are respectively plugged in the cover groove 11 and the groove 6, the clamping block 25 of the inner ring of the rubber cylinder 12 is arranged in the first clamping groove 13, sealing of the groove 6 is achieved, the circular plate 15 can be locked at the same time, the rotating rod 8 is prevented from rotating under the vibration effect, in the using process, vibration and noise can be reduced, the clamping plate 20 is arranged in the clamping groove 18 when being impacted by rainwater.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a formula safety well lid is walked to scour protection, includes base (1) and apron (2), its characterized in that: a through hole (9) vertically penetrates through the middle part of the base (1), a plate groove (3) is formed above the base (1), the plate groove (3) is communicated with the through hole (9), the cover plate (2) is arranged in the plate groove (3) of the base (1), and a locking mechanism and a vibration reduction mechanism are arranged between the base (1) and the cover plate (2);
the locking mechanism comprises a groove (6), a rotating rod (8), a rubber cover (10), a cover groove (11), a rubber cylinder (12), a rotating plate (14), a circular plate (15), a clamping groove (18), a resisting block (19) and a clamping plate (20); the two rotating rods (8) are arranged, the rotating rods (8) vertically and rotatably penetrate through two sides of the cover plate (2), the bottoms of the rotating rods (8) penetrate through the lower portion of the cover plate (2), the bottom of each rotating rod (8) is transversely fixed with a clamping plate (20), a clamping groove (18) is formed in the surface of the inner wall of the base (1) on one side of each clamping plate (20), abutting blocks (19) are arranged above and below the inner portion of each clamping groove (18), the abutting blocks (19) are multiple, the top of each rotating rod (8) is arranged in a groove (6) formed in the surface of the cover plate (2), a circular plate (15) is fixed at the top of each rotating rod (8), each circular plate (15) is arranged in the corresponding groove (6), a rotating plate (14) is vertically fixed above each circular plate (15), a cover groove (11) is formed in the surface of the cover plate (2) above each groove (6), each cover groove (11) is communicated with the corresponding groove (6), a rubber cover (10) is embedded in the cover groove (11) above each groove, the bottom of the rubber cover (10) is fixedly connected with a rubber cylinder (12), and the outer ring of the rubber cylinder (12) is closely attached to the surface of the inner wall of the groove (6);
the vibration reduction mechanism comprises a rubber ring (4), a ring groove (5), a rubber pad (7), a rubber bump (16) and a second clamping groove (17); the utility model discloses a rubber gasket, including apron (2), rubber ring (4), rubber ring (3) inner wall surface, apron (2) outer lane in annular (5) encircle to set up annular (5), and the outer lane subsides of rubber ring (4) are tight in board groove (3) inner wall surface, the bottom outer lane surface of board groove (3) top apron (2) encircles the laminating and is fixed with rubber pad (7), and the surface of board groove (3) is arranged in to the bottom of rubber pad (7), and apron (2) bottom connection of rubber pad (7) top is fixed with rubber lug (16), and rubber lug (16) are a plurality of, and rubber lug (16) run through rubber pad (7), and rubber lug (16) are arranged in second draw-in groove (17) that its below base (1) surface was seted up in, and the quantity of rubber lug (16) and second draw-in groove (17) equals.
2. An anti-impact safety well lid according to claim 1, characterized in that: first clamping grooves (13) are formed in the outer ring surface of the circular plate (15), the number of the first clamping grooves (13) is four, clamping blocks (25) are arranged on the inner ring surface of the rubber tube (12), the number of the clamping blocks (25) is four, and the clamping blocks (25) are embedded into the first clamping grooves (13).
3. An anti-impact safety well lid according to claim 1, characterized in that: the surface of the outer ring of the clamping plate (20) is sleeved with a rubber sleeve (21), and the inner ring of the rubber sleeve (21) is tightly attached to the surface of the clamping plate (20).
4. An anti-impact safety well lid according to claim 1, characterized in that: an arc groove (24) is formed in the surface of the outer ring of the rubber cover (10), and the arc groove (24) is located on the side edge of the rubber cover (10).
5. An anti-impact safety well lid according to claim 1, characterized in that: limiting grooves (22) are formed in the cover plate (2) of the inner ring of the rubber ring (4), limiting rubber (23) is connected to the inner side of the rubber ring (4) on the outer side of each limiting groove (22), and the limiting rubber (23) is embedded into the limiting grooves (22).
6. An anti-impact safety well lid according to claim 5, characterized in that: the limiting rubber (23) and the limiting grooves (22) are multiple, and the limiting rubber (23) and the limiting grooves (22) are uniformly distributed on the inner ring of the rubber ring (4) and the outer ring of the cover plate (2).
7. An anti-impact safety well lid according to claim 5, characterized in that: the limiting rubber (23) and the rubber ring (4) are connected into an integral structure.
8. An anti-impact safety well lid according to claim 1, characterized in that: the clamping plate (20) and the rotating rod (8) are made of stainless steel, and the clamping plate (20) is fixed at the bottom of the rotating rod (8) through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011265513.7A CN112227424A (en) | 2020-11-13 | 2020-11-13 | Anti-impact safety well cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011265513.7A CN112227424A (en) | 2020-11-13 | 2020-11-13 | Anti-impact safety well cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112227424A true CN112227424A (en) | 2021-01-15 |
Family
ID=74123605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011265513.7A Pending CN112227424A (en) | 2020-11-13 | 2020-11-13 | Anti-impact safety well cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112227424A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2816141Y (en) * | 2005-06-29 | 2006-09-13 | 张晋彬 | Shock-absorption anti-theft manhole lid |
| KR100755005B1 (en) * | 2006-11-21 | 2007-09-03 | 임공영 | Silent manhole |
| CN203905058U (en) * | 2014-04-26 | 2014-10-29 | 昆明豫云通信技术有限公司 | Anti-theft well lid and opener thereof |
| CN206800478U (en) * | 2017-06-13 | 2017-12-26 | 陈勋 | A kind of safety-type well lid |
| CN210315682U (en) * | 2019-07-02 | 2020-04-14 | 韩靖雯 | Well lid with waterproof function of resistance to compression |
-
2020
- 2020-11-13 CN CN202011265513.7A patent/CN112227424A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2816141Y (en) * | 2005-06-29 | 2006-09-13 | 张晋彬 | Shock-absorption anti-theft manhole lid |
| KR100755005B1 (en) * | 2006-11-21 | 2007-09-03 | 임공영 | Silent manhole |
| CN203905058U (en) * | 2014-04-26 | 2014-10-29 | 昆明豫云通信技术有限公司 | Anti-theft well lid and opener thereof |
| CN206800478U (en) * | 2017-06-13 | 2017-12-26 | 陈勋 | A kind of safety-type well lid |
| CN210315682U (en) * | 2019-07-02 | 2020-04-14 | 韩靖雯 | Well lid with waterproof function of resistance to compression |
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Application publication date: 20210115 |
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