CN2797448Y - Anti-theft manhole cover - Google Patents
Anti-theft manhole cover Download PDFInfo
- Publication number
- CN2797448Y CN2797448Y CN 200420086365 CN200420086365U CN2797448Y CN 2797448 Y CN2797448 Y CN 2797448Y CN 200420086365 CN200420086365 CN 200420086365 CN 200420086365 U CN200420086365 U CN 200420086365U CN 2797448 Y CN2797448 Y CN 2797448Y
- Authority
- CN
- China
- Prior art keywords
- lock core
- lock
- fixed
- tooth bar
- well lid
- 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
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model relates to a theftproof well cover for the various pipe networks of municipal facility, which comprises a well cover and a well ring. The utility model is mainly characterized in that one side of the well cover corresponding to the well ring is fixed with a well cover and well ring connecting device. The other side of the well cover is provided with the lock body of a theftproof lock. Correspondingly, the other side of the well ring is fixed with the locker of the theftproof lock. The lock body comprises a lock core coat and a lock core. The lock core is arranged in the lock core coat. The lock core coat is barrel-shaped. The lower end of the lock core coat is provided with lock core shaft bottom fixing plate and the middle part is provided with a rack bar positioning groove. The upper end of the lock core coat is provided with a lock core shaft top fixing plate and the lock core shaft top fixing plate is fixed to the well cover. The lock core comprises a connecting shaft and a gear fixed to the middle part of the connecting shaft. One end of the connecting shaft is made into a transmission shaft head and positioned in the lock core coat and the lock core shaft bottom fixing plate. The other end of the connecting shaft is made into a key head with an abnormal shape. The utility model has the advantages of simple structure, difficulty in rusting and erosion and good theftproof effect. Simultaneously, the theftproof well cover has the advantages of easy use, firmness, beautiful appearance and waterproofing and dust preventing functions.
Description
Technical field
The utility model relates to a kind of mechanical safety device, the anti-theft device that particularly a kind of well lid that is used for the various underground utilities in city and following water and tap water well cover.
Background technology
The well lid of the various underground utilities in city and following water and tap water well often cover to be stolen by the lawless person.In recent years media report the security incidents that cause in a large number because well lid is stolen.Therefore, also have much to be proposed by people, be typically, can't open when still adopting the easy corrosion of common lockset to cause keeping in repair being one with well lid and walling crib lock with the metal chain about well cover antitheft device.
Summary of the invention
The utility model purpose is a kind of locking of design and opens all very convenient, the good anti-stealing manhole cover of anti-theft effect.
Specifically, a kind of anti-stealing manhole cover comprises well lid and walling crib, and it is that correspondence one side in well lid and walling crib is fixed with well lid and walling crib linkage; In the other side of well lid the lock body of theftproof lock is housed, the corresponding snap close that is fixed with theftproof lock in the other side of walling crib; Described lock body comprises lock core sleeve and lock core, and lock core is contained in the lock core sleeve; Lock core sleeve is a tubular, and there is fixed head at the bottom of the lock core shaft its lower end, and the middle part has the tooth bar locating slot, and there is lock core shaft's top fixed head its upper end and is fixed on the well lid; Lock core comprises connecting axle and is fixed on the gear at connecting axle middle part, fixed head at the bottom of connecting axle one end is made the transmission spindle nose and is arranged in the lock core shaft of lock core sleeve, and the connecting axle other end is made the special-section key head; The described button is a tooth bar fixed mount that is fixed on the walling crib, have the tooth bar locating hole on this tooth bar fixed mount, tooth bar one end is through in the tooth bar locating hole on the tooth bar fixed mount, the tooth bar other end be through in the tooth bar locating slot at lock core sleeve middle part and can with the gears engaged in the lock core.
Described well lid and walling crib linkage comprise that the loam cake that an end is fixed on well lid one side is connected gear frame, and the other end of this gear frame has only pinhole; Also comprise the lifting gear frame that is fixed on the walling crib bottom, have the lifting driving groove that pin can slide within it on this lifting gear frame support body.
Outside not making that lock core is exposed to, in the lock core sleeve outer end lock core over cap is housed also, this over cap comprises lid plate and is contained in the lock shaft of lid plate one side, be installed with holddown spring on lock shaft.
The utility model advantage is simple in structure, is not easy to get rusty and corrode, and good anti-theft effect, have simultaneously easy to use, firm attractive in appearance, functions of waterproof and dustproof.Manufacturing cost is lower, can not increase substantially the price of well lid, is easy to promote.
Description of drawings
Fig. 1 is the utility model well lid structural representation.
Fig. 2 is the utility model walling crib structural representation.
Fig. 3 is a lock core sleeve structural representation in the utility model.
Fig. 4 is a lock core structure schematic diagram in the utility model.
Fig. 5 is the rack structure schematic diagram.
The specific embodiment
Accompanying drawing 1-5 is the structure chart of the utility model when specifically implementing.
A kind of anti-stealing manhole cover comprises well lid (1) and walling crib (10), and its correspondence one side in well lid (1) and walling crib (10) is fixed with well lid and walling crib linkage; In the other side of well lid the lock body (4) of theftproof lock is housed, the corresponding snap close (13) that is fixed with theftproof lock in the other side of walling crib; Described lock body (4) comprises lock core sleeve (5) and lock core (7), and lock core (7) is contained in the lock core sleeve (5); Lock core sleeve (5) is a tubular, and there is fixed head (18) at the bottom of the lock core shaft its lower end, and the middle part has tooth bar (20) locating slot, and there is lock core shaft's top fixed head (14) its upper end and is fixed on the well lid; Lock core (7) comprises connecting axle and is fixed on the gear (6) at connecting axle middle part, fixed head at the bottom of connecting axle one end is made transmission spindle nose (19) and is arranged in the lock core shaft of lock core sleeve, and the connecting axle other end is made special-section key head (9); Described detain (13) are a tooth bar fixed mount that is fixed on the walling crib, have the tooth bar locating hole on this tooth bar fixed mount, tooth bar one end is through in the tooth bar locating hole on the tooth bar fixed mount, the tooth bar other end be through in the tooth bar locating slot at lock core sleeve middle part and can with the gears engaged in the lock core.Described well lid and walling crib linkage comprise that the loam cake that an end is fixed on well lid one side is connected gear frame (3), and the other end of this gear frame (3) is shaped on pinhole (2); Also comprise the lifting gear frame (11) that is fixed on the walling crib bottom, have the lifting driving groove (12) that pin can slide on this lifting gear frame support body (11) within it.In lock core sleeve (5) outer end the lock core over cap is housed also, this over cap comprises lid plate (17) and is contained in the lock shaft (15) of lid plate one side, be installed with holddown spring (16) on lock shaft.More reliable for the tooth bar location simultaneously, at the other tooth bar locating slot (8) that also is fixed with of well lid upper lock body.
In the utility model when assembling, pack into the lock core of accompanying drawing 4 in the lock core sleeve of accompanying drawing 3 and be fixed on the well lid, and walling crib and well lid are one by the linkage chain; Tooth bar one end is through the hole of the fixed mount (13) that is arranged on the walling crib, and the other end is through in the rach slot at lock core sleeve middle part.With close well lid and walling crib after insert rotation in the key bit with key and make the gear driven tooth bar move and insert in the locating slot (8) on the walling crib with identical proterties irregularly-shaped hole with special-shaped key bit, walling crib and well lid are combined as a whole like this, do not have special-purpose special-shaped key then can't open well lid.Get final product with key opposite spin when opening with irregularly-shaped hole.
Claims (3)
1, a kind of anti-stealing manhole cover comprises well lid (1) and walling crib (10), it is characterized in that being fixed with well lid and walling crib linkage in correspondence one side of well lid (1) and walling crib (10); In the other side of well lid the lock body (4) of theftproof lock is housed, the corresponding snap close (13) that is fixed with theftproof lock in the other side of walling crib; Described lock body (4) comprises lock core sleeve (5) and lock core (7), and lock core (7) is contained in the lock core sleeve (5); Lock core sleeve (5) is a tubular, and there is fixed head (18) at the bottom of the lock core shaft its lower end, and the middle part has tooth bar (20) locating slot, and there is lock core shaft's top fixed head (14) its upper end and is fixed on the well lid; Lock core (7) comprises connecting axle and is fixed on the gear (6) at connecting axle middle part, fixed head at the bottom of connecting axle one end is made transmission spindle nose (19) and is arranged in the lock core shaft of lock core sleeve, and the connecting axle other end is made special-section key head (9); Described detain (13) are a tooth bar fixed mount that is fixed on the walling crib, have the tooth bar locating hole on this tooth bar fixed mount, tooth bar one end is through in the tooth bar locating hole on the tooth bar fixed mount, the tooth bar other end be through in the tooth bar locating slot at lock core sleeve middle part and can with the gears engaged in the lock core.
2, anti-stealing manhole cover according to claim 1 is characterized in that the loam cake that described well lid and walling crib linkage comprise that an end is fixed on well lid one side is connected gear frame (3), and the other end of this gear frame (3) is shaped on pinhole (2); Also comprise the lifting gear frame (11) that is fixed on the walling crib bottom, have the lifting driving groove (12) that pin can slide on this lifting gear frame support body (11) within it.
3, anti-stealing manhole cover according to claim 1 and 2 is characterized in that in lock core sleeve (5) outer end the lock core over cap being housed also, and this over cap comprises lid plate (17) and is contained in the lock shaft (15) of lid plate one side, be installed with holddown spring (16) on lock shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420086365 CN2797448Y (en) | 2004-12-07 | 2004-12-07 | Anti-theft manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420086365 CN2797448Y (en) | 2004-12-07 | 2004-12-07 | Anti-theft manhole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2797448Y true CN2797448Y (en) | 2006-07-19 |
Family
ID=36868685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420086365 Expired - Fee Related CN2797448Y (en) | 2004-12-07 | 2004-12-07 | Anti-theft manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2797448Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107604950A (en) * | 2017-09-30 | 2018-01-19 | 浙江三叶园林建设有限公司 | A kind of antitheft town road well lid of deodorization |
-
2004
- 2004-12-07 CN CN 200420086365 patent/CN2797448Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107604950A (en) * | 2017-09-30 | 2018-01-19 | 浙江三叶园林建设有限公司 | A kind of antitheft town road well lid of deodorization |
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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 |