CN2496998Y - Anti-theft lock for manhole cover - Google Patents
Anti-theft lock for manhole cover Download PDFInfo
- Publication number
- CN2496998Y CN2496998Y CN 01234625 CN01234625U CN2496998Y CN 2496998 Y CN2496998 Y CN 2496998Y CN 01234625 CN01234625 CN 01234625 CN 01234625 U CN01234625 U CN 01234625U CN 2496998 Y CN2496998 Y CN 2496998Y
- Authority
- CN
- China
- Prior art keywords
- lock
- trapezoidal
- spring
- lock body
- core
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses a well cover burglarproof lock to prevent artificial theft of sewage well covers, a lock body of the well cover burglarproof lock is arranged into a cuboid and positioned in the center below the circular well cover. The lock body inside is composed of a trapezoidal lock cylinder (3); on both sides of the trapezoidal lock cylinder (3), locking levers (5) and connecting rods (26) are provided symmetrically and put through the lock body (1), a locking lever shaft support (25) and both sides of a locking lever spring chamber (17), until being connected with staples (38) on both ends of a well cover bracket. On top of the trapezoidal lock cylinder (3), an air chamber (31) is arranged; on the lower end the lock cylinder, a lock cylinder spring (2) and a position core (27) of the lock cylinder spring is provided. Meanwhile, an air mouth (35) for unlocking tools is provided on the well cover burglarproof lock.
Description
The utility model belongs to technical field of machining, should be specifically related to a kind of manhole antitheft lock in the urban construction manhole cover anti-theft in fact.
At present, urban construction commonly used, telecommunications, electric power, coal gas, etc. the sewer well lid, all do not take anti-theft measure, cause losing of part sewer well lid, not only influence urban environment but also the danger that causes the accident is arranged, very inharmonious with the modern city construction.
The purpose of this utility model is exactly for overcoming above deficiency, and what provide a kind ofly has an anti-theft feature, install stable, easy to use, hidden manhole antitheft lock attractive in appearance.
The utility model is to realize like this, the lock body of manhole antitheft lock is set to cuboid, be installed in the central authorities below the round manhole cover, it is characterized in that being provided with in the rectangular lock body trapezoidal lock core (3), the bilateral symmetry of trapezoidal lock core (3) is provided with locking bar (5), and gang up lock body (1), locking bar axle bed (25) both sides are to lock rod spring chamber (17), lock rod spring chamber (17) other end is provided with the connecting rod axle bed (20) of connecting rod (26) to well lid frame two ends, trapezoidal lock core (3) top is provided with air chamber (31), air chamber (31) bottom is provided with envelope gas holding screw (29), last platen (10), sealing mat (9), pallet (8), air chamber (31), the top is provided with lock body air inlet port (15), valve air inlet port (14), lock body envelope gas rubber (13), lock body envelope air spring (12), trapezoidal lock core (3) lower end is provided with lock core spring (2), lock core spring location core (27) is provided with lock rod spring chamber (17) in the locking bar axle bed (25), overcoat locking bar spool (23), steel bushing (24), rod spring (22), connecting rod (26) is provided with O RunddichtringO (18) in the connecting rod axle bed (20) at well lid two ends, steel bushing (19), the unlocking tool valve (35) of manhole antitheft lock.Be provided with gas nozzle body (32), source of the gas connector (33) valve sealing skin (34).
It is strong that manhole antitheft lock of the present utility model has an anti-theft feature, install stable, easy to use, the advantage that can't open without special tool.
Description of drawings
Accompanying drawing 1 is the structure principle chart of manhole antitheft lock
Accompanying drawing 2 opens and closes tool construction figure for manhole antitheft lock
Accompanying drawing 3 is manhole cover anti-theft mounting structure for lock figure
Among the figure: 1. lock body, 2. lock core spring, 3. trapezoidal lock core, 4. steel bushing, 5. locking bar, 6.O RunddichtringO, 7. lock core steel bushing, 8. pallet, 9. sealing mat is 10. gone up platen, 11. the lock body holding screw, 12. lock bodies envelope air spring, 13. lock bodies envelope gas rubber, 14. the valve air inlet port, 15. lock body air inlet collar extensions, 16.O RunddichtringO lock rod spring chambers 17., 18.O RunddichtringO, 19. steel bushings, 20. connecting rod axle beds, 21. connecting rod tapered end groove, 22. rod springs, 23. overcoat connecting rod spools, 24. steel bushing, 25. locking bar axle beds, 26. connecting rods, 27. lock core spring location core, 28. well lids circle warp, 29. envelope gas holding screws, 30. the lock body air inlet, 31. air chambers, 32. gas nozzle bodies, 33. the tracheae connector, 34. valves sealing skin, 35. valves, 36. derrick, 37. well lids, 38. derrick snap closes.
Providing an embodiment below in conjunction with accompanying drawing is further described the utility model
Manhole antitheft lock lock body as shown in Figure 1 is set to cuboid, be installed in the central authorities of round manhole cover, be provided with trapezoidal lock core (3) in the lock body, the bilateral symmetry of trapezoidal lock core (3) is provided with locking bar (5), and gang up lock body (1), locking bar axle bed (25) both sides to lock rod spring chamber (17), lock rod spring chamber (17) other end is provided with the snap close (38) of connecting rod (26) to the derrick two ends, trapezoidal lock core (3) top is provided with air chamber (31), trapezoidal lock core (3) lower end is provided with, lock core spring (2), lock core spring location core (27); Lock rod spring chamber (17) is set in the locking bar axle bed (25), overcoat connecting rod spool (23), steel bushing (24), lock rod spring (22) tightly overlaps connecting rod (26); Be provided with O RunddichtringO (18) in the connecting rod axle bed (20) at well lid two ends, steel bushing (19); Air chamber (31) bottom is provided with envelope gas holding screw (29), last platen (10), sealing mat (9), pallet (8), lock core steel bushing (7), O RunddichtringO (6), the top is disconnected to be provided with lock body air inlet port (15), valve air inlet port (14), lock body envelope gas rubber (13), lock body envelope air spring (12), the lock body holding screw.The unlocking tool of manhole antitheft lock as shown in Figure 2 is that high-pressure air source or air pump combine with source of the gas connector (33) with gas nozzle body (32).Manhole antitheft lock mounting method as shown in Figure 3 is fixedly behind the derrick (36), well lid (37) is covered on derrick, connect tapered end groove (21) and promote lock rod spring chamber (17), compression, wait to enter manhole antitheft lock and just be installed in central authorities below the well lid, the position is goed deep at connecting rod two, and lock rod spring (17) is upspring, and connecting rod two is goed deep in the snap close (38) of derrick two frames.
In the time of need unblanking, valve (35) is docked with manhole antitheft lock air inlet port (15), be air chamber (31) inflation pressurization, platen in the promotion (10), sealing mat (9), it is descending that pallet (8) presses down trapezoidal lock core (3), locking bar (5) is returned to be removed, and pulling connecting rod (26) makes dislocation in its other end derrick snap close (38), manhole antitheft lock is opened, and when needing locking, lock body is sealed gas rubber (13) move down, air chamber (31) venting decompression, trapezoidal lock core (3) is up under the impetus of lock core spring location core (27) and lock core spring (2), and it is overhanging to promote both sides locking bars (5), promotes connecting rod (26) layman in the same way simultaneously, go deep into finishing the manhole antitheft lock locking in the snap close (38) to it.
Claims (4)
1, a kind of lock body of manhole antitheft lock is set to cuboid, be installed in the following central authorities of round manhole cover, it is characterized in that being provided with in the rectangular lock body trapezoidal lock core (3), the bilateral symmetry of trapezoidal lock core (3) is provided with locking bar (5), and gang up lock body (1), locking bar axle bed (25) both sides to lock rod spring chamber (17), lock rod spring chamber (17) other end is provided with the snap close (38) of connecting rod (26) to well lid frame two ends
2, according to the manhole antitheft lock shown in the claim 1, its feature is that also trapezoidal lock core (3) top is provided with air chamber (31), air chamber (31) bottom is provided with envelope gas holding screw (29), last platen (10), sealing mat (9), pallet (8), the top is provided with lock body air inlet port (15), valve air inlet port (14), lock body envelope gas rubber (13), lock body envelope air spring (12), trapezoidal lock core (3) lower end are provided with lock core spring (2), lock core spring location core (27).
3, according to the manhole antitheft lock shown in the claim 1, its feature also is to be provided with in the locking bar axle bed (25) lock rod spring chamber (17), overcoat locking bar spool (23), and steel bushing (24), tightly overlaps connecting rod (26) at lock rod spring (22).
4, according to the manhole antitheft lock shown in the claim 1, its feature also is to be provided with O RunddichtringO (18), steel bushing (19) in the connecting rod axle bed (20) at well lid frame two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01234625 CN2496998Y (en) | 2001-08-29 | 2001-08-29 | Anti-theft lock for manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01234625 CN2496998Y (en) | 2001-08-29 | 2001-08-29 | Anti-theft lock for manhole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2496998Y true CN2496998Y (en) | 2002-06-26 |
Family
ID=33648019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01234625 Expired - Fee Related CN2496998Y (en) | 2001-08-29 | 2001-08-29 | Anti-theft lock for manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2496998Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012788A (en) * | 2017-03-07 | 2017-08-04 | 广州方阁建筑工程技术开发有限公司 | Water cover lid under a kind of bridge |
| CN107503379A (en) * | 2016-04-25 | 2017-12-22 | 泉州台商投资区尚良建筑装饰有限公司 | Noise reduction anti-stealing manhole cover is used in a kind of municipal administration |
-
2001
- 2001-08-29 CN CN 01234625 patent/CN2496998Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107503379A (en) * | 2016-04-25 | 2017-12-22 | 泉州台商投资区尚良建筑装饰有限公司 | Noise reduction anti-stealing manhole cover is used in a kind of municipal administration |
| CN107503379B (en) * | 2016-04-25 | 2019-08-20 | 绍兴建欣汽车电子有限公司 | A kind of municipal administration working method of noise reduction anti-stealing manhole cover |
| CN107012788A (en) * | 2017-03-07 | 2017-08-04 | 广州方阁建筑工程技术开发有限公司 | Water cover lid under a kind of bridge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2496998Y (en) | Anti-theft lock for manhole cover | |
| CN211173560U (en) | Manual and electric combined escape window | |
| CN107140068B (en) | A kind of intelligent sharing bicycle | |
| CN2673950Y (en) | Safety and theft-proof well cover | |
| CN221457523U (en) | Mounting structure of automobile tool box | |
| CN2248659Y (en) | Thfet-proof cover of fuel tank | |
| CN2093865U (en) | Theft-proof manhole cover installations | |
| CN2380613Y (en) | Anti-theft cover for manhole | |
| CN201614987U (en) | Cylinder cover with air filtering function | |
| CN2202170Y (en) | Lock for motor-driven tricycle | |
| CN212002710U (en) | Coded lock convenient to install | |
| CN2324183Y (en) | Antitheft device for iron cover of manhole | |
| CN2161684Y (en) | Convenient anti-picking lock | |
| CN2748511Y (en) | Slide type anti-theft thermal-insulating manhole cover | |
| CN2227678Y (en) | Theft manhole cover | |
| CN2152921Y (en) | Portable inflator | |
| CN201254736Y (en) | Cover assembly for manhole | |
| CN2654692Y (en) | Antitheft manhole cover | |
| CN2274597Y (en) | Motorcycle lock | |
| CN114837286A (en) | Safety well cover of hydraulic conveying well of drainage ditch special for sponge city and method thereof | |
| CN2187591Y (en) | Theft-proof box with chain lock | |
| CN116905563A (en) | Combined type heavy inspection well cover plate | |
| CN2836568Y (en) | Pressure reducing valve cup | |
| CN2602128Y (en) | Pick-proof bicycle lock | |
| CN2457213Y (en) | Double safety anti-theft manhole cover |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |