CN201152088Y - Shaft cover dedicated lockset - Google Patents
Shaft cover dedicated lockset Download PDFInfo
- Publication number
- CN201152088Y CN201152088Y CNU2008200761642U CN200820076164U CN201152088Y CN 201152088 Y CN201152088 Y CN 201152088Y CN U2008200761642 U CNU2008200761642 U CN U2008200761642U CN 200820076164 U CN200820076164 U CN 200820076164U CN 201152088 Y CN201152088 Y CN 201152088Y
- Authority
- CN
- China
- Prior art keywords
- lock
- well lid
- pit cover
- lock housing
- special
- 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 - Lifetime
Links
- 239000000428 dust Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Lock And Its Accessories (AREA)
Abstract
The utility model belongs to the technical field of water supply and drainage pit cover accessories, particularly relates to a special lock for a pit cover, which solves the problems of the prior art that the pit cover can be stolen easily. The special lock for a pit cover comprises a lock shell, a lock core and a key and is characterized in that the lock shell is casted on and connected together with the pit cover; the cylindrical clock core which is sleeved with a spring passes through the center of the lock shell; a bolt is arranged on the lower part of the lock core and inserts in the lower part of a well frame; a location heave is arranged on the upper part of the bolt, and a location groove which is matched with the location heave is arranged on the lower part of the lock shell. The special lock provided by the utility model has the beneficial effects as follows: the special lock is firm and stable and can be produced easily at low cost; the lock material has high strength and corrosion-resistance performance; the lock can not be replaced by other general tools; and the usage of the special lock is very easy.
Description
Technical field
The utility model belongs to the technical field of manhole cover for water supply or drainage with accessory, is specifically related to a kind of well lid special lockset.
Background technology
Stolen also the becoming of well lid perplexs one of municipal problem at present.General well lid just is movably installed in the crib, does not have anti-theft feature.
Summary of the invention
The utility model provides a kind of well lid special lockset in order to solve the easy stolen problem of well lid in the prior art.
The utility model adopts following technical scheme to realize: a kind of well lid special lockset, comprise lock housing, lock core and key, it is characterized in that described lock housing is cast on the well lid connects as one with well lid, the lock housing center wears the lock cylinder that is with spring, dead bolt is installed in the lock core bottom, dead bolt inserts in the crib bottom, and the position projection is set on dead bolt top, and the lock housing bottom is provided with the locating slot that cooperates with positioning convex.
The periphery of lock core upper end is provided with a groove that is parallel to the axle center; Key is a round casing, and a raised line that is parallel to the axle center is arranged on the circle cover internal circular surfaces, and raised line and groove match.Lock housing top is provided with the rubber dust cap.
The utlity model has following beneficial effect: firm stable, lockset strength of materials height, corrosion-resistant, make simple, cost is low, various general utility tools can not substitute use; Using method is simple.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Fig. 2 is the Key structure schematic diagram
Fig. 3 is the schematic cross-section of lock core
Fig. 4 is the schematic cross-section of key
Among the figure: 1-dust cap, 2-lock housing, 3-lock core, 4-spring, 5-dead bolt, 6-bayonet lock, 7-crib, 8-locating slot, 9-positioning convex, 10-key
The specific embodiment
In conjunction with the accompanying drawings the specific embodiment of the present utility model is described further, embodiment is used for further specifying of the present utility model, rather than it is imposed any restrictions.
A kind of well lid special lockset, comprise lock housing 2, lock core 3 and key 10, it is characterized in that described lock housing 2 is cast on the well lid connects as one with well lid, lock housing 2 centers wear the lock cylinder 3 that is with spring 4, dead bolt 5 is installed in lock core 3 bottoms, dead bolt 5 inserts in crib 7 bottoms, and position projection 9 is set on dead bolt 5 tops, and lock housing 2 bottoms are provided with the locating slot 8 that cooperates with positioning convex 9.
The periphery of lock core 3 upper ends is provided with a groove that is parallel to the axle center; Key 10 is round casings, and a raised line that is parallel to the axle center is arranged on the circle cover internal circular surfaces, and raised line and groove match.Lock housing 2 tops are provided with rubber dust cap 1.
Claims (3)
1, a kind of well lid special lockset, comprise lock housing (2), lock core (3) and key (10), it is characterized in that described lock housing (2) is cast on the well lid connects as one with well lid, lock housing (2) center wears the lock cylinder (3) that is with spring (4), dead bolt (5) is installed in lock core (3) bottom, dead bolt (5) inserts in crib (7) bottom, and position projection (9) is set on dead bolt (5) top, and lock housing (2) bottom is provided with the locating slot (8) that cooperates with positioning convex (9).
2, well lid special lockset according to claim 1, the periphery that it is characterized in that lock core (3) upper end are provided with a groove that is parallel to the axle center; Key (10) is a round casing, and a raised line that is parallel to the axle center is arranged on the circle cover internal circular surfaces.
3, well lid special lockset according to claim 1 and 2 is characterized in that lock housing (2) top is provided with rubber dust cap (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200761642U CN201152088Y (en) | 2008-01-18 | 2008-01-18 | Shaft cover dedicated lockset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200761642U CN201152088Y (en) | 2008-01-18 | 2008-01-18 | Shaft cover dedicated lockset |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201152088Y true CN201152088Y (en) | 2008-11-19 |
Family
ID=40127767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200761642U Expired - Lifetime CN201152088Y (en) | 2008-01-18 | 2008-01-18 | Shaft cover dedicated lockset |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201152088Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775697A (en) * | 2015-04-13 | 2015-07-15 | 上海吉信金属制品有限公司 | Spring tri-proof locking device for well lid and unlocking tool for spring tri-proof locking device |
| CN105402231A (en) * | 2015-12-14 | 2016-03-16 | 山东俊强博纳五金科技有限责任公司 | Automatic pressure locking mechanism |
| CN106437353A (en) * | 2016-11-30 | 2017-02-22 | 南京海獭软件有限责任公司 | Cabin cover antitheft lock |
| CN106381887B (en) * | 2016-08-31 | 2018-07-27 | 山东康威通信技术股份有限公司 | A kind of mechanical anti-theft lock and opening device and well lid applied to well lid |
-
2008
- 2008-01-18 CN CNU2008200761642U patent/CN201152088Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775697A (en) * | 2015-04-13 | 2015-07-15 | 上海吉信金属制品有限公司 | Spring tri-proof locking device for well lid and unlocking tool for spring tri-proof locking device |
| CN105402231A (en) * | 2015-12-14 | 2016-03-16 | 山东俊强博纳五金科技有限责任公司 | Automatic pressure locking mechanism |
| CN105402231B (en) * | 2015-12-14 | 2018-03-09 | 山东俊强五金股份有限公司 | A kind of pressure automatic locking mechanism |
| CN106381887B (en) * | 2016-08-31 | 2018-07-27 | 山东康威通信技术股份有限公司 | A kind of mechanical anti-theft lock and opening device and well lid applied to well lid |
| CN106437353A (en) * | 2016-11-30 | 2017-02-22 | 南京海獭软件有限责任公司 | Cabin cover antitheft lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081119 |