CN220813973U - Antitheft device for manhole cover plate - Google Patents
Antitheft device for manhole cover plate Download PDFInfo
- Publication number
- CN220813973U CN220813973U CN202322458333.6U CN202322458333U CN220813973U CN 220813973 U CN220813973 U CN 220813973U CN 202322458333 U CN202322458333 U CN 202322458333U CN 220813973 U CN220813973 U CN 220813973U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- theft
- bolt
- manhole cover
- protection device
- 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
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 17
- 239000000945 filler Substances 0.000 claims description 9
- 239000003365 glass fiber Substances 0.000 claims description 9
- 238000005728 strengthening Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The application relates to the field of manhole cover plates, and discloses an anti-theft device for a manhole cover plate. When the anti-theft cover is used, the base is fixedly connected with the inlet, the cover plate is fixed at the upper end of the support frame and embedded into the inner side of the base, meanwhile, the threaded rod above the cover plate is fixed in the threaded hole above the support frame through the embedded hole threads, the cover plate is positioned on the inner side of the base, the unobtrusive surface of the cover plate does not provide a force applying point, the anti-theft performance is improved, meanwhile, the special bolt head of the anti-theft bolt is matched with the inverted conical groove and the limit cone, the anti-theft bolt is different from a common bolt, the anti-theft bolt can be detached only by means of the special tool of the anti-theft bolt, the anti-theft bolt is difficult to be stolen, the buffer pad below the cover plate can effectively buffer the collision of the cover plate on the support frame, the reinforcing ribs inside the cover plate are uniformly provided with dispersible pressure, the strength of the cover plate is improved, the cover plate is protected by the anti-theft bolt, the anti-theft bolt can be effectively prevented from being stolen, and safety is brought to pedestrians and vehicles.
Description
Technical Field
The application belongs to the technical field of manhole cover plates, and particularly relates to an anti-theft device for a manhole cover plate.
Background
At present, there are many municipal and common facilities and equipment, such as manhole covers, transformers, street lamp facilities, cables, etc.; the well cover plate is a closure leading to the top of an access opening of an underground facility, prevents people or objects from falling, can be divided into a metal well cover, a high-strength fiber cement concrete well cover, a resin well cover and the like according to materials during casting, is generally round, and can be used for green belts, sidewalks, motor vehicle lanes, wharfs, alleys and the like.
However, most of well cover plates in the current market are not provided with anti-theft structures in use, so that the well cover plates are easy to steal, and potential safety hazards can be brought to pedestrians and vehicles if the well cover plates are not found timely after the well cover plates are stolen.
Disclosure of utility model
The application aims at: in order to solve the problem that the manhole cover plate is easy to lose in use and does not have an anti-theft structure, the anti-theft device of the manhole cover plate is provided.
The technical scheme adopted by the application is as follows: the utility model provides a manhole cover plate's anti-theft device, the below of manhole cover plate is provided with the base, the upper surface of well cover plate is provided with embedded hole and anti-theft mechanism, embedded Kong Kaishe is in the surface of well cover plate just runs through the inside of well cover plate, anti-theft mechanism is antitheft bolt, including threaded rod and bolt head, the top of threaded rod is provided with the bolt head, the bolt head is convex, the top of bolt head is provided with the orientation the inside back taper groove of bolt head, the bottom of back taper groove is provided with towards outside spacing cone, be provided with the bayonet socket groove on the lateral wall of back taper groove.
Through adopting above-mentioned technical scheme, the threaded rod passes embedded hole to be fixed in the screw hole of support frame top, and the special bolt head cooperation back taper groove of theftproof bolt and spacing cone are different from ordinary bolt, and this theftproof bolt only can dismantle through this theftproof bolt specific instrument, is difficult to be stolen, when needs screw or open, inserts the back taper groove and the bayonet socket inslot of theftproof bolt with specific instrument, then direct rotation can open.
In a preferred embodiment, the lower end of the inner side of the base is provided with a supporting frame.
Through adopting above-mentioned technical scheme, support frame and base are as an organic whole, and the support frame is used for fixed well apron, can fix well lid board through the screw hole of seting up of support frame top, and the prevention is stolen.
In a preferred embodiment, a positioning hole and a threaded hole are respectively formed in the upper outer surface of the support frame.
Through adopting above-mentioned technical scheme, screw hole and threaded rod assorted, threaded rod penetrate threaded hole through the embedded hole on the well cover plate, fixed well cover plate, locating hole and guide block assorted are convenient for be fixed threaded rod and screw hole fast, improve installation effectiveness.
In a preferred embodiment, a bumper pad is provided under the bottom of the well cover plate.
Through adopting above-mentioned technical scheme, the effectual buffer well apron of blotter collides the support frame, improves the life of support frame.
In a preferred embodiment, a guide block is arranged below the buffer pad, and the guide block is matched with the positioning hole formed above the supporting frame.
Through adopting above-mentioned technical scheme, guide block and locating hole phase-match for be convenient for fix threaded rod and screw hole fast, improve installation effectiveness.
In a preferred embodiment, the embedded hole is in threaded fit with a threaded hole formed above the supporting frame through the threaded rod.
Through adopting above-mentioned technical scheme, threaded rod penetrates threaded hole through the embedded hole on the well cover plate, is used for fixed well cover plate, prevents stolen.
In a preferred embodiment, the inside of the well cover plate is a main fixing plate, a reinforcing rib is fixed on the periphery of the outer ring of the main fixing plate, and glass fiber fillers are arranged at adjacent positions of the reinforcing rib.
Through adopting above-mentioned technical scheme, the inside strengthening rib of well lid board evenly sets up dispersible pressure, has also increased the intensity of well lid board simultaneously to improve the compressive resistance of well lid board.
In a preferred embodiment, the main fixing plate is fixedly connected with the reinforcing ribs, and the reinforcing ribs are attached to the glass fiber filler.
By adopting the technical scheme, the glass fiber filler filled between adjacent reinforcing ribs can perform certain silencing, reduce collision noise and protect the well cover plate.
In summary, due to the adoption of the technical scheme, the beneficial effects of the application are as follows:
When the anti-theft cover is used, the base is fixedly connected with the inlet, the cover plate is fixed at the upper end of the support frame and embedded into the inner side of the base, meanwhile, the threaded rod above the cover plate is fixed in the threaded hole above the support frame through the embedded hole threads, the cover plate is positioned on the inner side of the base, the unobtrusive surface of the cover plate does not provide a force applying point, the anti-theft performance is improved, meanwhile, the special bolt head of the anti-theft bolt is matched with the inverted conical groove and the limit cone, the anti-theft bolt is different from a common bolt, the anti-theft bolt can be detached only by means of the special tool of the anti-theft bolt, the anti-theft bolt is difficult to be stolen, the buffer pad below the cover plate can effectively buffer the collision of the cover plate on the support frame, the reinforcing ribs inside the cover plate are uniformly provided with dispersible pressure, the strength of the cover plate is improved, the cover plate is protected by the anti-theft bolt, the anti-theft bolt can be effectively prevented from being stolen, and safety is brought to pedestrians and vehicles.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present application;
FIG. 2 is a schematic view of the split structure of the present application;
FIG. 3 is a schematic view of an anti-theft threaded rod according to the present application;
FIG. 4 is a schematic view of the internal structure of the cover plate of the present application
The marks in the figure: 1. a well cover plate; 2. an embedded hole; 3. a base; 4. an anti-theft mechanism; 5. a cushion pad; 6. a guide block; 7. positioning holes; 8. a main fixing plate; 9. glass fiber filler; 10. a support frame; 11. a threaded hole; 12. a bolt head; 13. an inverted conical groove; 14. a bayonet slot; 15. a limit cone; 16. a threaded rod; 17. reinforcing ribs.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions in the embodiments of the present application will be clearly and completely described in the following in conjunction with the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
With reference to figures 1-4 of the drawings,
Examples:
Referring to fig. 2-3, a base 3 is arranged below a manhole cover plate 1, an embedded hole 2 and an anti-theft mechanism 4 are arranged on the upper surface of the manhole cover plate 1, the embedded hole 2 is formed in the outer surface of the manhole cover plate 1 and penetrates through the inside of the manhole cover plate 1, the anti-theft mechanism 4 is an anti-theft bolt and comprises a threaded rod 16 and a bolt head 12, the bolt head 12 is connected to the top end of the threaded rod 16, the bolt head 12 is arc-shaped, an inverted cone-shaped groove 13 facing the inside of the bolt head 12 is formed in the top of the bolt head 12, a limiting cone 15 facing the outside is arranged at the bottom of the inverted cone-shaped groove 13, and a bayonet slot 14 is formed in the side wall of the inverted cone-shaped groove 13; the threaded rod passes through the embedded hole and is fixed in the threaded hole of support frame top, and the special bolt head 12 of theftproof bolt cooperates back taper groove 13 and spacing cone 15, is different from ordinary bolt, and this theftproof bolt only need can dismantle through this theftproof bolt specific instrument, is difficult to stolen, when needs screw or open, inserts the back taper groove and the bayonet socket inslot of theftproof bolt with specific instrument, then direct rotation can open.
Referring to fig. 2, a support frame 10 is provided at the inner lower end of the base 3; the support frame is as an organic whole with the base, and the support frame is used for fixed well lid board, can fix the well lid board through the screw hole of seting up of support frame top, and the prevention is stolen.
Referring to fig. 2, a positioning hole 7 and a threaded hole 11 are respectively formed on the upper outer surface of the support frame 10; threaded hole and threaded rod assorted, threaded rod penetrate threaded hole through the embedded hole on the well cover board, fixed well cover board, locating hole and guide block assorted are convenient for be fixed threaded rod and threaded hole fast, improve installation effectiveness.
Referring to fig. 2, a cushion pad 5 is provided under the bottom of the well cover plate 1; the effectual buffer well apron of blotter collides the support frame, improves the life of support frame.
Referring to fig. 2, a guide block 6 is arranged below the cushion pad 5, and the guide block 6 is matched with a positioning hole 7 arranged above a supporting frame 10; guide block and locating hole assorted in order to be convenient for fix threaded rod and screw hole fast, improve installation effectiveness.
Referring to fig. 2, the embedded hole 2 is in threaded fit with a threaded hole 11 formed above the support frame 10 through a threaded rod 16; the threaded rod penetrates into the threaded hole through the embedded hole in the well cover plate and is used for fixing the well cover plate to prevent theft.
Referring to fig. 4, a main fixing plate 8 is arranged inside a well cover plate 1, a reinforcing rib 17 is fixed on the periphery of an outer ring of the main fixing plate 8, and glass fiber fillers 9 are arranged at adjacent positions of the reinforcing rib 17; the reinforcing ribs 17 in the well cover plate 1 are uniformly provided with dispersible pressure, so that the pressure resistance of the well cover plate 1 is improved, and meanwhile, the strength of the well cover plate 1 is also improved.
Referring to fig. 4, the main fixing plate 8 is fixedly connected with the reinforcing ribs 17, and the reinforcing ribs 17 are attached to the glass fiber filler 9; the glass fiber filler filled between adjacent reinforcing ribs can perform certain noise reduction, reduce collision noise and protect the well cover plate.
The application relates to an anti-theft device of a manhole cover plate, which comprises the following implementation principles: when the anti-theft well cover plate is used, the base 3 is fixedly connected with the inlet, the well cover plate 1 is fixed at the upper end of the support frame 10 and is embedded in the inner side of the base 3, meanwhile, the threaded rod 16 above the well cover plate 1 is fixed in the threaded hole 11 above the support frame 10 through the embedded hole 2, the well cover plate 1 is positioned on the inner side of the base 3, no stress point is provided on the surface, the anti-theft performance is improved, meanwhile, the special bolt head 12 of the anti-theft bolt is matched with the inverted conical groove 13 and the limit cone 15, the anti-theft well cover plate is different from an ordinary bolt, the anti-theft bolt can be detached only by means of special tools of the anti-theft bolt, the anti-theft bolt is difficult to be stolen, the buffer pad 5 below the well cover plate 1 can effectively buffer the collision of the support frame 10, the dispersible pressure is uniformly arranged on the reinforcing rib 17 inside the well cover plate 1, the anti-compression performance of the well cover plate 1 is improved, meanwhile, the strength of the well cover plate 1 is also increased, the anti-theft bolt is protected, the anti-theft well cover plate can be effectively prevented from being stolen, and safety is also brought to pedestrians and vehicles.
The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (8)
1. The utility model provides an anti-theft device of manhole cover plate, includes well cover plate (1) and anti-theft mechanism (4), its characterized in that: the utility model discloses a well lid board, including well lid board (1), the below of well lid board (1) is provided with base (3), the upper surface of well lid board (1) is provided with embedded hole (2) and anti-theft mechanism (4), embedded hole (2) are seted up the surface of well lid board (1) and run through the inside of well lid board (1), anti-theft mechanism (4) are anti-theft bolt, including threaded rod (16) and bolt head (12), the top of threaded rod (16) is provided with and is connected with bolt head (12), bolt head (12) are convex, the top of bolt head (12) is provided with towards inside back taper groove (13) of bolt head (12), the bottom of back taper groove (13) is provided with spacing cone (15) towards outside, be provided with bayonet socket groove (14) on the lateral wall of back taper groove (13).
2. A manhole cover theft protection device as claimed in claim 1, wherein: the lower end of the inner side of the base (3) is provided with a supporting frame (10).
3. A manhole cover theft protection device as claimed in claim 2, wherein: the upper outer surface of the supporting frame (10) is respectively provided with a positioning hole (7) and a threaded hole (11).
4. A manhole cover plate theft protection device as claimed in claim 3, wherein: a buffer pad (5) is arranged below the bottom of the well cover plate (1) in a circle.
5. The manhole cover theft protection device of claim 4, wherein: the lower part of the cushion pad (5) is provided with a guide block (6), and the guide block (6) is matched with the positioning hole (7) formed in the upper part of the supporting frame (10).
6. A manhole cover theft protection device as claimed in claim 5, wherein: the embedded hole (2) is in threaded match with a threaded hole (11) formed above the supporting frame (10) through the threaded rod (16).
7. A manhole cover theft protection device as claimed in claim 1, wherein: the well lid board (1) is inside to be main fixed plate (8), the outer lane week of main fixed plate (8) is fixed with strengthening rib (17), strengthening rib (17) adjacent position is provided with glass fiber filler (9).
8. The manhole cover plate theft protection device of claim 7, wherein: the main fixing plate (8) is fixedly connected with the reinforcing ribs (17), and the reinforcing ribs (17) are attached to the glass fiber filler (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322458333.6U CN220813973U (en) | 2023-09-11 | 2023-09-11 | Antitheft device for manhole cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322458333.6U CN220813973U (en) | 2023-09-11 | 2023-09-11 | Antitheft device for manhole cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220813973U true CN220813973U (en) | 2024-04-19 |
Family
ID=90710091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322458333.6U Active CN220813973U (en) | 2023-09-11 | 2023-09-11 | Antitheft device for manhole cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220813973U (en) |
-
2023
- 2023-09-11 CN CN202322458333.6U patent/CN220813973U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204959811U (en) | Well lid of making an uproar falls in theftproof | |
| CN220813973U (en) | Antitheft device for manhole cover plate | |
| CN211665802U (en) | Anti-theft well cover | |
| CN216929490U (en) | Cable pipeline's self-lock device | |
| CN217998184U (en) | High-safety well lid with anti-theft structure | |
| CN206128129U (en) | Theftproof, waterproof and prevent weighing down municipal inspection shaft lid | |
| CN201671114U (en) | Inspection well cover with protective screen | |
| CN209099216U (en) | A kind of direction board rod piece | |
| CN203905061U (en) | Municipal anti-theft well lid | |
| CN209538222U (en) | A kind of multi-functional ductile cast iron manhole cover | |
| CN2853911Y (en) | Triangle slope type safety protection frame for manhole cover | |
| CN206486908U (en) | The elliptical well lid of anti-settling anti-jumping | |
| CN201339202Y (en) | Rotary-shaft theft-proof well cover mechanism | |
| CN204803922U (en) | Assembled safety well lid of preventing burglary | |
| CN104074202A (en) | Manhole with shock-absorption noise-reduction and fall-prevention plastic cushion net | |
| CN215593805U (en) | Lifting column flange structure | |
| CN215715555U (en) | Nodular cast iron well lid with theftproof function | |
| CN218521844U (en) | Breakage-proof composite well lid | |
| CN220789856U (en) | Invisible well lid | |
| CN205875027U (en) | Novel parking stall ground lock | |
| KR200245923Y1 (en) | A bollard using a rubber fender | |
| CN114430156B (en) | Self-locking type cable duct resource anti-encroaching device | |
| CN213773482U (en) | Prevent subsiding and prevent well seat of spring | |
| CN216515744U (en) | High-protection well lid capable of preventing closing, noise, jumping, dead angle and theft | |
| CN214737620U (en) | Barrier gate with protection structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |