CN2777054Y - Theft-resistance manhole cover - Google Patents
Theft-resistance manhole cover Download PDFInfo
- Publication number
- CN2777054Y CN2777054Y CN 200520041016 CN200520041016U CN2777054Y CN 2777054 Y CN2777054 Y CN 2777054Y CN 200520041016 CN200520041016 CN 200520041016 CN 200520041016 U CN200520041016 U CN 200520041016U CN 2777054 Y CN2777054 Y CN 2777054Y
- Authority
- CN
- China
- Prior art keywords
- manhole cover
- inspection shaft
- seat ring
- utility
- model
- 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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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model relates to a theft-proof manhole cover which comprises a manhole cover and a manhole seat ring. The utility model is characterized in that the back side of the manhole cover is provided with a rotary disc which is provided with a lock core positioned in a through hole of the manhole cover, wherein the rotary disc is provided with at least two shaft pins and each shaft pin is connected with a draw rod which is connected with a slide block inlaid in a slide groove on the manhole cover through the shaft pin. The slide block is provided with a lock bolt of which the far end corresponds to the manhole seat ring. Three shaft pins are arranged on the rotary disc, and the lock bolt is sheathed in a locating ring on the manhole cover. The utility model has the advantages that when the utility model is used, the position for covering the manhole cover does not need to be considered, and after a task is finished, as long as the manhole cover is put onto the manhole seat ring and then the lock core is screwed by a special key, the manhole cover is locked.
Description
Technical field
The utility model relates to a kind of inspection shaft lid, particularly a kind of anti-stealing manhole cover.
Background technology
Present development along with urban construction, increasing pipeline enters underground pipeline, for the convenience of maintaining, on underground utilities, need to offer many inspection shafts and be communicated with ground, and just have inspection shaft to cover, but present inspection shaft lid does not possess anti-theft feature, running into some thieves utilizes the dim light of night to steal, bring great harm will for the vehicle and the pedestrian that pass by on one's way, in order to prevent to be stolen, also there are some inspection shaft lids to design lockset, but in use do not possess practicality, the lockhole that it must cover inspection shaft is aimed at the lock pin on the inspection shaft seat ring, and owing to bigger the sinking of inspection shaft lid, be not easy very much so lockhole will be aimed at lock pin in routine duties, waste time and energy.
Summary of the invention
The purpose of this utility model is that inspection shaft covers existing above-mentioned problem in the solution prior art, and a kind of anti-stealing manhole cover that can conveniently use is provided.The utility model design anti-stealing manhole cover, comprise inspection shaft lid, inspection shaft seat ring, it is characterized in that: the quilt cover at the inspection shaft lid has rotating disk, lock core is arranged on the rotating disk, and lock core is positioned at the through hole of inspection shaft lid, and at least two pivot pins are arranged on rotating disk, each pivot pin connects a pull bar, pull bar connects a slide block that is embedded in the chute that inspection shaft covers by pivot pin, and locking bolt is arranged on the slide block, and the far-end of locking bolt is corresponding with the inspection shaft seat ring.Pivot pin on the rotating disk has three.Locking bolt is inserted in the centring ring that inspection shaft covers.The utility model has the advantages that the position that need not in use to consider when covering the inspection shaft lid, as long as the inspection shaft lid is placed on the inspection shaft seat ring, turn lock core, Inspection shaft cover lock can be decided with special-purpose key in the back of finishing the work.
Description of drawings
Below in conjunction with drawings and Examples the utility model is elaborated,
Accompanying drawing 1 is a user mode structural representation of the present utility model,
Accompanying drawing 2 is a structural representation of the present utility model,
The specific embodiment
Comprise inspection shaft lid 1, inspection shaft seat ring 2 among the figure, it is characterized in that: there is rotating disk 3 at the back side at inspection shaft lid 1, lock core 4 is arranged on the rotating disk 3, lock core 4 is positioned at the through hole 11 of inspection shaft lid 1, at least two pivot pins 5 are arranged on rotating disk 3, and each pivot pin 5 connects a pull bar 6, and pull bar 6 connects slide block 8 in the chute 12 that is embedded on the inspection shaft lid 1 by pivot pin 7, locking bolt 9 is arranged on the slide block 8, and the far-end of locking bolt 9 is corresponding with inspection shaft seat ring 2.Three pivot pins 5 are arranged on the rotating disk 3 among the embodiment, be connected with three locking bolts 9, locking bolt 9 is inserted in the centring ring 10 on the inspection shaft lid 1.During use inspection shaft lid 1 is arbitrarily put in the inspection shaft seat ring 2, need not consider the placement arbitrarily of angle position 360 degree, from the through hole 11 of inspection shaft lid 1, turn lock core 4 with special-purpose key then, rotating disk 3 is twisted (among Fig. 2 clockwise), by pivot pin 5 pushing drawing rods 6 abductions, it is overhanging that pull bar 6 promotes pivot pin 7 drive slide blocks 8, thereby locking bolt 9 is overhanging, and when lifting on the people exerts oneself inspection shaft lid 1, locking bolt 9 will tangle inspection shaft seat ring 2, inspection shaft lid 1 is locked on the inspection shaft seat ring 2, as will normally take out the time, as long as (among Fig. 2 counterclockwise) rotational lock core 4, rotating disk 3 retracts pull bar 6, locking bolt 9 just bounces back thereupon, can take out inspection shaft lid 1.Centring ring 10 is the direction of extension that guarantee locking bolt 9, and chute 12 is to guarantee that slide block 8 can slide correct front and back under the pulling of pull bar 6.
Claims (3)
1, anti-stealing manhole cover, comprise inspection shaft lid, inspection shaft seat ring, it is characterized in that: the quilt cover at the inspection shaft lid has rotating disk, lock core is arranged on the rotating disk, and lock core is positioned at the through hole of inspection shaft lid, and at least two pivot pins are arranged on rotating disk, each pivot pin connects a pull bar, pull bar connects a slide block that is embedded in the chute that inspection shaft covers by pivot pin, and locking bolt is arranged on the slide block, and the far-end of locking bolt is corresponding with the inspection shaft seat ring.
2, by the described anti-stealing manhole cover of claim 1, it is characterized in that: the pivot pin on the rotating disk has three.
3, by the described anti-stealing manhole cover of claim 1, it is characterized in that: locking bolt is inserted in the centring ring that inspection shaft covers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520041016 CN2777054Y (en) | 2005-04-20 | 2005-04-20 | Theft-resistance manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520041016 CN2777054Y (en) | 2005-04-20 | 2005-04-20 | Theft-resistance manhole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2777054Y true CN2777054Y (en) | 2006-05-03 |
Family
ID=36744438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520041016 Expired - Fee Related CN2777054Y (en) | 2005-04-20 | 2005-04-20 | Theft-resistance manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2777054Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107020607A (en) * | 2017-04-27 | 2017-08-08 | 汉尼康自动化科技（苏州）有限公司 | Wheel hub positioning table |
-
2005
- 2005-04-20 CN CN 200520041016 patent/CN2777054Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107020607A (en) * | 2017-04-27 | 2017-08-08 | 汉尼康自动化科技（苏州）有限公司 | Wheel hub positioning table |
| CN107020607B (en) * | 2017-04-27 | 2023-11-24 | 汉尼康自动化科技（苏州）有限公司 | Hub positioning table |
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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 |