CN2627159Y - Manhole theft-proof lock - Google Patents
Manhole theft-proof lock Download PDFInfo
- Publication number
- CN2627159Y CN2627159Y CN 03258812 CN03258812U CN2627159Y CN 2627159 Y CN2627159 Y CN 2627159Y CN 03258812 CN03258812 CN 03258812 CN 03258812 U CN03258812 U CN 03258812U CN 2627159 Y CN2627159 Y CN 2627159Y
- Authority
- CN
- China
- Prior art keywords
- lock
- steel wire
- locknut
- volute
- ring
- 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
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- Sewage (AREA)
Abstract
The utility model discloses a manhole cover theftproof lock which comprises a lock tube (1); wherein a sealing cover (9) is arranged on the lock tube (1); a lock net connecting ring (2) is arranged outside the lock tube (9); a locking collar fixed bracket (3) is arranged at the lower end of the lock tube; a volute corrugated gear lock net (4) is arranged at the lower end of the fixed bracket (3); a steel wire tensile ring (7) and a lock net reset tension spring (8) are respectively arranged on the lock net connecting ring (2) and the two sides of the volute corrugated gear lock net (4) through two steel wire slide sleeve (6), and a steel wire tensile ring (7) and a lock net reset tension spring (8) are fixed together with bolts; one end of a steel wire tensile ring thread (15) is connected with a steel tensile ring (7) through a steel wire guild wheel (14), and the other end of the steel wire tensile ring thread (15) is connected with a locking head tension rod (13) of a spring locking head (12); a cone corrugated gear special key is correspondingly provided in the volute corrugated gear lock net (4). The utility model has the advantages of simple structure and easy open; the theftproof lock can practically and reliably prevent the manhole cover from being stolen.
Description
Technical field
The utility model relates to a kind of well cover antitheft device, particularly relates to anti-theft lock for inspection well cover.
Background technology
Being used for the well lid that pipeline, sewage, tap water or cable shaft use does not at present mostly have anti-theft device, and its structure great majority are, on lid, symmetric arrays has two slotted holes, as long as with two T-shape handgrips, just well lid can be mentioned, during unlatching so well lid is often easily lost.After well lid was lost, facility often was damaged in the well, influences plant produced and people's normal life; Particularly, often lose and cause car wounds of speaking sarcastically, even the accident that adult or child fall in the sink hole also often takes place, cause the consequence of human body permanent disability and property loss because of the well lid on the road.
Summary of the invention
Task to be solved in the utility model provides a kind of anti-theft lock for inspection well cover, and it should practicality prevent that reliably inspection shaft lid robber from losing, and it is convenient to open again.
For solving above-mentioned task, the utility model is to come body plan like this: it comprises the lock tube, it is characterized in that seal cover being installed in lock tube upper end, the outer locknut connecting ring of installing of lock tube, the lower end of lock tube is equipped with the lock ring analog bracket, lock ring analog bracket lower end is equipped with volute ripple tooth locknut, locknut connecting ring and volute ripple tooth locknut both sides are installed steel wire draw ring and locknut reset tension spring respectively by two steel wire sliding sleeves, and connect with bolt, steel wire draw ring line one end is connected with the steel wire draw ring by the wire directive wheel, and the other end is connected with tapered end pull bar in the spring tapered end; Is furnished with the special-purpose key of taper ripple tooth in the described volute ripple tooth locknut accordingly.
Have the hexagonal screw above the described seal cover, the water-tight circle is installed below the seal cover.
The number of teeth of described volute ripple tooth locknut is 5 to 9 stupefied odd numbers, and has a drain hole in volute ripple tooth locknut bottom centre.
The utility model is compared with the prior art, can prevent effectively well lid stolen, lose, to guarantee vehicle and walk safety, can also prevent effectively that facilities such as underground communication cable from being stolen and destroying.The utility model is simple in structure, its practical inspection shaft lid that prevents is reliably stolen mistake, and it is convenient to open again.Be convenient to install, use, keep in repair, very easily promote the use.
Below in conjunction with accompanying drawing, the utility model is specifically described (but be not to scope of the present utility model restriction)
Description of drawings
Fig. 1 is the structural representation of a kind of specific embodiment of the present utility model.
The specific embodiment
As shown in Figure 1, the utility model comprises lock tube 1, it is characterized in that seal cover 9 being installed in lock tube 1 upper end, the lock tube 1 outer locknut connecting ring 2 of installing, the lower end of lock tube 1 is equipped with lock ring analog bracket 3, lock ring analog bracket 3 lower ends are equipped with volute ripple tooth locknut 4, locknut connecting ring 2 is installed steel wire draw ring 7 and locknut reset tension spring 8 with volute ripple tooth locknut 4 both sides respectively by two steel wire sliding sleeves 6, and connect with bolt, steel wire draw ring line 15 1 ends are connected with steel wire draw ring 7 by wire directive wheel 14, and the other end is connected with tapered end pull bar 13 in the spring tapered end 12; Is furnished with the special-purpose key of taper ripple tooth in the described volute ripple tooth locknut 4 accordingly.
Have hexagonal screw 10 above the above-mentioned seal cover 9, water-tight circle 11 is installed below the seal cover 9.
The number of teeth of above-mentioned volute ripple tooth locknut 4 is 5 to 9 stupefied odd numbers, and has a drain hole 5 in volute ripple tooth locknut 4 bottom centre.
Claims (3)
1, a kind of anti-theft lock for inspection well cover, it comprises lock tube (1), it is characterized in that: seal cover (9) is installed in lock tube (1) upper end, the outer locknut connecting ring (2) of installing of lock tube (1), the lower end of lock tube is equipped with lock ring analog bracket (3), lock ring analog bracket (3) lower end is equipped with volute ripple tooth locknut (4), locknut connecting ring (2) is installed steel wire draw ring (7) and locknut reset tension spring (8) with volute ripple tooth locknut (4) both sides respectively by two steel wire sliding sleeves (6), and connect with bolt, steel wire draw ring line (15) one ends are connected with steel wire draw ring (7) by wire directive wheel (14), and the other end is connected with tapered end pull bar (13) in the spring tapered end (12); Is furnished with the special-purpose key of taper ripple tooth in the described volute ripple tooth locknut (4) accordingly.
2, anti-theft lock for inspection well cover according to claim 1 is characterized in that: have hexagonal screw (10) above the described seal cover (9), water-tight circle (11) is installed below the seal cover (9).
3, anti-theft lock for inspection well cover according to claim 1 is characterized in that: the number of teeth of described volute ripple tooth locknut (4) is 5 to 9 stupefied odd numbers, and has a drain hole (5) in volute ripple tooth locknut (4) bottom centre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03258812 CN2627159Y (en) | 2003-06-11 | 2003-06-11 | Manhole theft-proof lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03258812 CN2627159Y (en) | 2003-06-11 | 2003-06-11 | Manhole theft-proof lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2627159Y true CN2627159Y (en) | 2004-07-21 |
Family
ID=34254617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03258812 Expired - Fee Related CN2627159Y (en) | 2003-06-11 | 2003-06-11 | Manhole theft-proof lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2627159Y (en) |
-
2003
- 2003-06-11 CN CN 03258812 patent/CN2627159Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGDE CITY HENGFA METAL SCIENCE CO., LTD. Free format text: FORMER OWNER: WEI ZHIGUANG Effective date: 20041231 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20041231 Address after: 352300 Pingnan County of Fujian province Gan Tang Xiang Hui Xi Cun Patentee after: Ningde HENGFA Metal Technology Co., Ltd. Address before: 350001, No. 2, block 18, tower 304, Gulou District, Fujian, Fuzhou Patentee before: Wei Zhiguang |
|
| 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 |