CN1267616C - Multipurpose hidden anti-theft lock - Google Patents
Multipurpose hidden anti-theft lock Download PDFInfo
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- CN1267616C CN1267616C CN 200410050517 CN200410050517A CN1267616C CN 1267616 C CN1267616 C CN 1267616C CN 200410050517 CN200410050517 CN 200410050517 CN 200410050517 A CN200410050517 A CN 200410050517A CN 1267616 C CN1267616 C CN 1267616C
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- lock
- pin
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- theft
- spring
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Abstract
The present invention relates to an anti-theft lock, particularly to a multifunctional hidden anti-theft lock used for the theft protection of a well cover, which mainly comprises an unlocking device, a lock disc and a lock pin. The present invention is characterized in that the present invention can be installed by slightly processing the existing well cover. The present invention has the characteristics of good anti-theft performance, little possibility of being stolen, difficult damage, capability of avoiding looseness of the well cover, effective water prevention, dust prevention, low cost and convenient installation. The present invention can be widely used for urban telecommunication plugs, fire hydrants, well covers of water supply pipelines and water drainage pipelines, industrial strongboxes, money boxes, office doors, house burglarproof doors, etc. The anti-theft lock is an ideal multifunctional anti-theft device.
Description
Technical field: the present invention relates to a kind of theftproof lock, especially a kind of multipurpose hidden anti-theft lock that can be used for manhole cover anti-theft.
Background technology: be used for telecommunications, fire plug, the well lid of upper and lower drainage pipe in the city at present, major part is the cast iron manufacturing, and is loosening easily, and do not have anti-theft device, be easy to be stolen or rolled, cause a lot of contingencies therefrom, fall in the catch pit washed away by car; Have and fall into tumble injury in the well by bike; Have and cause the take charge passerby that wounds because of the draining well lid is loosening, these accidents have all caused very big loss for the national wealth and the people's personal safety.Be to solve the stolen problem of well lid, a kind of well lid of steel concrete system occurred, the shortcoming of this well lid is an impact resistance not, is easy to be rolled bad by car, and changes trouble, and expense is higher.
Summary of the invention: at above-mentioned the deficiencies in the prior art, the invention provides a kind of being installed on the existing casting iron well lid, simple installation is difficult for prying open, and can avoid well lid loosening, and the very low multipurpose hidden anti-theft lock of cost.
For achieving the above object, the technical solution adopted in the present invention is: the multipurpose hidden anti-theft lock mainly comprises unlocking apparatus, lock collar, lock pin.The front end of described unlocking apparatus is equipped with a protective cap (1), is fixed on the sliding cylinder (3) by screw thread.The inside of sliding cylinder (3) is provided with extension spring (2), and extension spring (2) is by two dowel fixes, and the two ends of extension spring (2) are fixed on the stealthy lock tooth (4).On the boss of the middle part of sliding cylinder (3), be provided with a spring pad (11), holddown spring (12) is pressed on the spring pad (11), slideway (9) is arranged at the bottom at sliding cylinder (3), alignment pin (8) passes slide bar (6) and goes up slip at slideway (9), handle (5) is fixed on the lower end of sliding cylinder (3) by screw thread, with screw (10) it is fixed, slide bar (6) passes handle (5) inner chamber, extend in sliding cylinder (3) chamber, be provided with startup spring (7) in the bottom of slide bar (6), start the surface that spring (7) is wrapped in slide bar (6), the lower end of handle (5) dowel fixes compressing tablet (21).Lock collar (14) places in protective cover (15) and the lock collar rotation sliding sleeve (16), lock cylinder body (20) is fixed on the protective cover (15), be provided with snap (18) in the lock cylinder body (20), snap (18) is pressed on snap pin (17) in the lock cylinder body (20), snap pin (17) top is provided with stealthy alignment pin (19), and stealthy alignment pin (19) places in the hole of lock collar (14).Lock collar (14) is provided with lock pin (13), lock pin (13) is gone up the end with dowel fixes lock pin (24), the other end of lock pin (24) inserts in the hole of accomplishing fluently in advance on the walling crib, booster (23) is housed on lock pin (24), the other end of booster (23) is fixed on the well lid, lock pin (24) also is provided with an alignment pin (22), is positioned at lock pin (24) aboveground.
Characteristics of the present invention are: existing well lid is just processed a little this product can be installed.It is good that it has a theftproof performance, is difficult for stolenly, is difficult to destroyedly, also can avoid the loosening characteristics of well lid.And effective waterproof and dustproof, cost is low, simple installation.The present invention can be widely used in the telecommunications in the city, and fire plug on the well lid of upper and lower drainage pipe, also can be used for the industrial insurance cabinet, money box, and office, dwelling house security doors etc. are a kind of desirable multipurpose anti-theft devices.
Description of drawings:
Fig. 1 is the structural representation of unlocking apparatus of the present invention
Fig. 2 is the structural representation of user mode of the present invention
Fig. 3 is the front view of the present invention when being installed on the well lid
Fig. 4 is the vertical view of Fig. 3
The specific embodiment:
As Fig. 1-shown in Figure 4: the multipurpose hidden anti-theft lock mainly comprises unlocking apparatus, lock collar, lock pin.The front end of described unlocking apparatus is equipped with a protective cap 1, is fixed on the sliding cylinder 3 by screw thread.The inside of sliding cylinder 3 is provided with extension spring 2, and extension spring 2 is by two dowel fixes, and the two ends of extension spring 2 are fixed on the stealthy lock tooth 4.On the boss of the middle part of sliding cylinder 3, be provided with a spring pad 11, holddown spring 12 is pressed on the spring pad 11, slideway 9 is arranged at the bottom at sliding cylinder 3, and alignment pin 8 passes slide bar 6 and slides on slideway 9, and handle 5 is fixed on the lower end of sliding cylinder 3 by screw thread, with screw 10 it is fixed, slide bar 6 passes handle 5 inner chambers, extend in sliding cylinder 3 chambeies, is provided with in the bottom of slide bar 6 to start spring 7, start the surface that spring 7 is wrapped in slide bar 6, the lower end of handle 5 dowel fixes compressing tablet 21.Lock collar 14 places in protective cover 15 and the lock collar rotation sliding sleeve 16, lock cylinder body 20 is fixed on the protective cover 15, is provided with snap 18 in the lock cylinder body 20, and snap 18 is pressed on snap pin 17 in the lock cylinder body 20, snap pin 17 tops are provided with stealthy alignment pin 19, and stealthy alignment pin 19 places in the hole of lock collar 14.Lock collar 14 is provided with lock pin 13, use an end of dowel fixes lock pin 24 on the lock pin 13, the other end of lock pin 24 inserts in the hole of accomplishing fluently in advance on the walling crib, booster 23 is housed on lock pin 24, the other end of booster 23 is fixed on the well lid, lock pin 24 also is provided with an alignment pin 22, and lock pin 24 is positioned on the well lid.
During installation, make a call to 4 holes on the walling crib below well lid, in lock pin 24 patchholes, with alignment pin 22 lock pin 24 is positioned on the well lid, can only slide front and back, booster 23 1 ends are fixed on the well lid, the other end is fixed on the lock pin 24, around the drain hole of well lid, process four blind holes, lock collar is fixed on the well lid, the other end of lock pin 24 is fixed on the lock pin 13, snap 18 is upspring lockpin spring 17, lockpin spring 17 will be inserted between protective cover 15 and the lock collar 14, lock collar 14 can not be slided in lock collar is rotated sliding sleeve 16, thereby make well lid by locked.At this moment, stealthy alignment pin 19 also can because stealthy alignment pin 19 is boss structures, will be stuck in the hole of lock collar 14 by snap 18 tops down, blocks two holes on the lock collar 14, can prevent entering of sealing and sour gas.
During unlatching, unlocking apparatus is inserted by drain hole, because spring pad 11 is greater than the drain hole of well lid, under the effect of holddown spring 12, spring pad 11 will be pressed on the well lid, press drop shot 6, stealthy lock tooth 4 will open, and this moment, stealthy lower end of locking tooth 4 was greater than the thickness of well lid to the distance of spring pad 11, because the pressuring action of holddown spring 12, whole sliding cylinder 3 will be pulled up, and stealthy lock tooth 4 will be close on the lock collar 14, compressing tablet 21 is stuck in the another side of handle 5, slide bar 6 is not rebounded, turning handle 5 a little, and stealthy lock tooth 4 will embed in the hole on the lock collar 14, and stealthy alignment pin 19 is moved down, promoting snap pin 17 gets back in the lock cylinder body 20, lock is opened, and another mistake hour hands turning handle 5 drives lock collar 14 and rotates in lock collar rotation sliding sleeve 16, lock pin 13 will drive lock pin 24, by the effect of booster, make lock pin 24 leave hole on the walling crib, thereby open well lid.
During the locking well lid, as long as clockwise rotate handle 5.
Claims (3)
1, the multipurpose hidden anti-theft lock, comprise lock collar, lock pin, unlocking apparatus, it is characterized in that: the front end of described unlocking apparatus is equipped with a protective cap (1), be fixed on the sliding cylinder (3) by screw thread, the inside of sliding cylinder (3) is provided with extension spring (2), extension spring (2) is by two dowel fixes, the two ends of extension spring (2) are fixed on the stealthy lock tooth (4), on the boss of the middle part of sliding cylinder (3), be provided with a spring pad (11), holddown spring (12) is pressed on the spring pad (11), in the bottom of sliding cylinder (3) slideway (9) is arranged, and alignment pin (8) passes slide bar (6) and goes up slip at slideway (9), handle (5) is fixed on the lower end of sliding cylinder (3) by screw thread, make handle (5) fixing with screw (10), slide bar (6) passes handle (5) inner chamber, extend in sliding cylinder (3) chamber, be provided with startup spring (7) in the bottom of slide bar (6), start the surface that spring (7) is wrapped in slide bar (6); Lock collar (14) places in protective cover (15) and the lock collar rotation sliding sleeve (16), lock cylinder body (20) is fixed on the protective cover (15), be provided with snap (18) in the lock cylinder body (20), snap (18) is pressed on snap pin (17) in the lock cylinder body (20), snap pin (17) top is provided with stealthy alignment pin (19), and stealthy alignment pin (19) places in the hole of lock collar (14); Lock collar (14) is provided with lock pin (13), and lock pin (13) is gone up the end with dowel fixes lock pin (24), and the other end of lock pin (24) inserts in the hole of accomplishing fluently in advance on the walling crib; Press drop shot (6), stealthy lock tooth (4) opens, because the pressuring action of holddown spring (12), whole sliding cylinder (3) is pulled up, and stealthy lock tooth (4) is close on the lock collar (14) turning handle (5), in the hole on stealthy lock tooth (4) the embedding lock collar (14), stealthy alignment pin (19) is moved down, promote snap pin (17) and get back in the lock cylinder body (20), lock is opened; Another mistake hour hands turning handle (5) drives lock collar (14) and rotates in lock collar rotation sliding sleeve (16), thereby drives lock pin (24).
2, multipurpose hidden anti-theft lock according to claim 1, it is characterized in that: booster (23) is housed on lock pin (24), the other end of booster (23) is fixed on the well lid, and lock pin (24) also is provided with an alignment pin (22), and lock pin (24) is positioned on the well lid.
3, multipurpose hidden anti-theft lock according to claim 1 is characterized in that: the lower end of handle (5) dowel fixes compressing tablet (21), compressing tablet (21) makes not resilience of slide bar (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410050517 CN1267616C (en) | 2004-09-27 | 2004-09-27 | Multipurpose hidden anti-theft lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410050517 CN1267616C (en) | 2004-09-27 | 2004-09-27 | Multipurpose hidden anti-theft lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1587619A CN1587619A (en) | 2005-03-02 |
| CN1267616C true CN1267616C (en) | 2006-08-02 |
Family
ID=34602263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410050517 Expired - Fee Related CN1267616C (en) | 2004-09-27 | 2004-09-27 | Multipurpose hidden anti-theft lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1267616C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2907477B1 (en) * | 2006-10-18 | 2008-12-12 | Norinco Soc Par Actions Simpli | BRIDGE DEVICE WITH SUPPORT FRAME AND CROWN ELEMENT, SUCH AS A BUFFER OR COVER OR GRID, HINGED ARTICULATED MOUNTING ON THE FRAME |
| CN109157788A (en) * | 2018-10-23 | 2019-01-08 | 黄国龙 | Fire-fighting Anti-collision fire hydrant |
-
2004
- 2004-09-27 CN CN 200410050517 patent/CN1267616C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1587619A (en) | 2005-03-02 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| 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 |