CN201305280Y - Anti-theft cover for oil tank manhole - Google Patents
Anti-theft cover for oil tank manhole Download PDFInfo
- Publication number
- CN201305280Y CN201305280Y CNU2008202269968U CN200820226996U CN201305280Y CN 201305280 Y CN201305280 Y CN 201305280Y CN U2008202269968 U CNU2008202269968 U CN U2008202269968U CN 200820226996 U CN200820226996 U CN 200820226996U CN 201305280 Y CN201305280 Y CN 201305280Y
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- China
- Prior art keywords
- steel plate
- manhole
- big
- cover
- small steel
- 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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Abstract
The utility model discloses an anti-theft cover for an oil tank manhole, consisting of a big steel plate and a small steel plate which are connected by reinforcements. A tubular lock is arranged between the big steel plate and the small steel plate; the periphery of the big steel plate is provided with a downward-turning skirt rim; the thickness of the big steel plate and the small steel plate is 4 to 7 mm; and the space between the big steel plate and the small steel plate is slightly more than the length of the neck of the manhole. The utility model fixes the cover of the manhole by the tubular lock arranged between the big steel plate and the small steel plate, and the periphery of the big steel plate is provided with the downward-turning skirt rim, which prevents the lawless person from opening the cover of the manhole. The theftproof aim is achieved effectively. The utility model has the advantages of simple structure, safe and reliable operation and good theftproof effect.
Description
Technical field
The utility model relates to the anti-joyride device of oil field petrol storage tank, especially a kind of pilfer proof closure that is used for manhole.
Background technology
The existing individual well petrol storage tank major part in oil field is the big jar of volume 40 sides, and the top is provided with manhole, and manhole cover has only a circular steel plate, fasten with screws on every side, and such design is unfavorable for antitheft, and is also very dangerous.The lawless person often utilizes various tool to open manhole plate, carries out stolen from manhole, causes great economic loss for country or oil field.
The utility model content
The technical problems to be solved in the utility model is for overcoming above-mentioned deficiency, and a kind of simple in structure, easy to use, safety of operation failure-free petrol storage tank manhole pilfer proof closure is provided.
The utility model is taked following technical measures: a kind of petrol storage tank manhole pilfer proof closure, form by big steel plate and little steel plate, and link to each other by reinforcing bar between the large and small steel plate, and tubular lockset is installed, be provided with the shirt rim of turning over around the described big steel plate downwards.
Large and small steel plate thickness is 4-7mm, and distance is slightly larger than manhole neck length degree between large and small steel plate.
The beneficial effects of the utility model are to utilize the control lockset between the big or small steel plate that manhole cover is fixed, and design has the shirt rim of turning over down around big steel plate, makes the lawless person can't open manhole cover, has reached antitheft purpose effectively.The utlity model has simple in structure, advantages such as safety of operation reliable, good anti-theft effect.
Description of drawings
Fig. 1 is the utility model structural representation
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in the figure, a kind of petrol storage tank manhole pilfer proof closure is made up of big steel plate 1 and little steel plate 5, links to each other by reinforcing bar between the large and small steel plate, and tubular lockset 2 is installed, and is flexible by lockset 2 control lock pins 6, promptly plays the purpose of the real cover of lock.Lockset 2 is outsourcing pieces, is the central control unit of demolition, installation cover, and it is welded in center between the large and small steel plate of cover, becomes built-in anti-theft column lock, and opens cover by private key, can prevent obstruction, destruction etc.Be provided with the shirt rim 3 of turning over downwards around the described big steel plate 1, can effectively prevent to prize, the reinforcement of big cover pick-proof ability have reached the purpose of guard against theft oil.
Large and small steel plate thickness is 4-7mm, and distance is slightly larger than manhole 4 neck length degree between large and small steel plate.The utility model and petrol storage tank manhole 4 have been formed two bottlenecks, thereby will limit the horizontal action radius of cover in its manhole 4 of packing into, in the axial direction because the effect of lockset 2 can not upwards propose cover.When locking, key is inserted along centre hole, change on the 90 degree directions and carry and rotation a little, make inner lock pin 6 extend out to manhole 4 bottom positions, cover can not be moved up and down.Turn round with key when unblanking, lock pin 6 is return and can be opened cover.
Claims (2)
1, a kind of petrol storage tank manhole pilfer proof closure is characterized in that being made up of big steel plate and little steel plate, links to each other by reinforcing bar between the large and small steel plate, and tubular lockset is installed, and is provided with the shirt rim of turning over around the described big steel plate downwards.
2, petrol storage tank manhole pilfer proof closure according to claim 1 is characterized in that described large and small steel plate thickness is 4-7mm, and distance is slightly larger than manhole neck length degree between large and small steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202269968U CN201305280Y (en) | 2008-12-11 | 2008-12-11 | Anti-theft cover for oil tank manhole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202269968U CN201305280Y (en) | 2008-12-11 | 2008-12-11 | Anti-theft cover for oil tank manhole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201305280Y true CN201305280Y (en) | 2009-09-09 |
Family
ID=41097744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202269968U Expired - Fee Related CN201305280Y (en) | 2008-12-11 | 2008-12-11 | Anti-theft cover for oil tank manhole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201305280Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491021A (en) * | 2011-12-06 | 2012-06-13 | 航天晨光股份有限公司 | Theftproof protection cap for fuel tank truck manhole cover |
| CN109533698A (en) * | 2018-10-12 | 2019-03-29 | 北京万佳信科技有限公司 | A kind of manhole cover lock device |
-
2008
- 2008-12-11 CN CNU2008202269968U patent/CN201305280Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491021A (en) * | 2011-12-06 | 2012-06-13 | 航天晨光股份有限公司 | Theftproof protection cap for fuel tank truck manhole cover |
| CN109533698A (en) * | 2018-10-12 | 2019-03-29 | 北京万佳信科技有限公司 | A kind of manhole cover lock device |
| CN109533698B (en) * | 2018-10-12 | 2024-03-29 | 北京万佳信科技有限公司 | Manhole cover lockset device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090909 Termination date: 20100111 |