CN2216123Y - Safety theftproof lock for manhole cover - Google Patents
Safety theftproof lock for manhole cover Download PDFInfo
- Publication number
- CN2216123Y CN2216123Y CN 94246873 CN94246873U CN2216123Y CN 2216123 Y CN2216123 Y CN 2216123Y CN 94246873 CN94246873 CN 94246873 CN 94246873 U CN94246873 U CN 94246873U CN 2216123 Y CN2216123 Y CN 2216123Y
- Authority
- CN
- China
- Prior art keywords
- lock
- stamen
- manhole cover
- well lid
- fixed
- 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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Abstract
The utility model relates to a safety theftproof lock for a manhole cover, belonging to the theftproof lock of a manhole cover for municipality use. The safety theftproof lock for a manhole cover is composed of a fixing fastener under the manhole cover, a lock base, and a lock body. The safety theftproof lock for a manhole cover is characterized in that a locking hole and the fixing frame of a barrel-shaped lock core are arranged on the lock base; the fixing frame is provided with a lock core connected with an inner lock core axle and a positioning plate; a star-shaped connecting rod is arranged on the positioning plate; one end of the star-shaped connecting rod is connected with a lock tongue which passes across a lock tongue guide slot and the hole of the container fixing frame of a return spring. The utility model has the advantages of simple structure and long service life; the safety theftproof lock for a manhole cover overcomes a rusting death phenomenon; under the condition that the existing manhole cover structure are not changed, the safety theftproof lock for a manhole cover is convenient to install and use, the invisibility of the lock is good, a keyhole is not easy to block, and the utility model is suitable for the manhole covers of various models and types for municipality use.
Description
The utility model relates to a kind of specific use lockset, particularly the municipal administration lockset of well lid.
Chinese patent has been recorded and narrated the utility model patent of " pinning manhole lid device " for No. 90210105.6, its principal character is to utilize rotating shaft, rotating disk and connecting rod and promote its pinning function of realization, in the upper end of rotating shaft is leg-of-mutton opening section, only need utilize triangular shaped sleeve can open this device.Though this mechanism has realized the purpose that well lid locks, because the dead phenomenon of rust can take place in long-term use parts such as rotating shaft, rotating disk, distribution, so very inconvenient on using.The opener of triangular shaped sleeve structure is very easily copied, and in fact is difficult to reach real antitheft purpose.
It is a kind of simple in structure that the purpose of this utility model is to provide, the dead phenomenon of can not becoming rusty, and have the lock that well adds lock function.
The purpose of this utility model is achieved in that
A kind of well lid safe antitheft lockset, it is by the fixed fastener 3 that is located under the well lid, lockset base 4 and lock body are formed, and it is characterized in that being provided with on the bracing frame of well lid 1 two fasteners 3; Lockset base 4 is provided with lockhole 20, with lockhole 20 is that the center is provided with tubular lock stamen fixed mount 5, and lock stamen fixed mount 5 is fixed on the lockset base 4 by fixture 22, and lock stamen 19 is connected with location-plate 13 by lock stamen axle 18, location-plate 13 is provided with pulling block 15, is hinged with one on the pulling block 15
Type connecting rod 11,
The other end of type connecting rod 11 is fixed in an end of dead bolt 6 by pinning 21, dead bolt 6 is transverse in the hole 14 of dead bolt gathering sill 7 that is fixed in lockset base one end and the return spring casing fixed mount 9 that is fixed in lockset base central authorities, also is provided with back-moving spring 8 in the hole 14 of return spring casing fixed mount 9.On the barrel of lock stamen fixed mount 5, be provided with lock tooth 16,17, on lock stamen 19, be provided with lock stamen pulling block 10,12.X direction (X-axis) with respect to the transversal disc of locking stamen fixed mount 5 is provided with a lock tooth 16 at place, 60 ° of angles, with the symmetrical position, 240 ° of angles of lock stamen axle 18 on be provided with another lock tooth 17, with lock stamen 19 is flat circle, one lock stamen is given as security piece 10 and at 270 ° of angles setting is set, and is symmetrical in and establishes another lock stamen signature piece 12 on the position, 50 ° of angles of locking stamen axle both sides.
Accompanying drawing 1 is a structural representation of the present utility model.
Accompanying drawing 2 is the structural representation of the utility model lock body part.
Following accompanying drawing 1,2 is embodiment of the present utility model, and the utility model is further specified.
Operating principle: under accompanying drawing 1 state, private key is inserted in the keying hole 2, clockwise direction rotates 90 °, makes it have selectivity to key under the effect of lock tooth, if key is correct, can make give as security in the lock stamen piece 10,12 by give as security piece 5 with type connecting rod 11 along the X-direction rectilinear motion, drive dead bolt 6 motions, and dead bolt 6 is separated with the well lid bracing frame, upwards mention key well lid to be opened, rotate counterclockwise then, key is extracted.Reset dead bolt this moment under the effect of back-moving spring 8, and keying work is finished.
When the utility model is installed, require with 2 fasteners 3 evenly be arranged on the well lid bracing frame around, promptly be symmetrical arranged.And the keying hole 2 on the lockhole 20 aligning well lids 1 of lockset base, when opening well lid, can directly key be inserted by opening and closing in the hole 2 like this, can need not change the purpose that realization locks under the state that has the well lid structure now.Well lid 1 welds together with the lockset base.Open the key of lockset, can prepare different keys specially according to the design difference of locking the stamen part.
The utility model under the state that does not change existing well lid structure, realized well lid antitheft, lock, and volume is little, simple and compact for structure, lockset integral body does not expose, good concealment, long service life.Can be used in combination with various types of well lids.
Claims (3)
1, a kind of well lid safety anti-theft lock, it is by the fixed fastener (3) that is located under the well lid, lockset base (4) and lock body are formed, and it is characterized in that being arranged with on the bracing frame of well lid (1) two fasteners (3); The lockset base is provided with lockhole (20), with lockhole (20) is that the center is provided with tubular lock stamen fixed mount (5), lock stamen fixed mount (5) is fixed on the lockset base (4) by fixture (22), lock stamen (19) is connected with location-plate (13) by lock stamen axle (18), location-plate (13) is provided with pulling block (15), and pulling block is hinged with one on (15)
Type connecting rod (11),
The other end of type connecting rod (11) is fixed in an end of dead bolt (6) by pinning (21), dead bolt (6) is transverse in the hole (14) of dead bolt gathering sill (7) that is fixed in lockset base one end and the return spring casing fixed mount (9) that is fixed in lockset base central authorities, also is provided with back-moving spring (8) in the hole (14) of return spring casing fixed mount (9).
2, the well lid safety anti-theft lock described in claim 1 is characterized in that being provided with two locks teeth (16), (17) on the barrel of lock stamen fixed mount (5), being provided with two lock stamen pulling blocks (10), (12) on lock stamen (19).
3, the well lid safety anti-theft lock described in claim 1 or 2, it is characterized in that being provided with a lock tooth (16) at place, 60 ° of angles with respect to the X direction (X-axis) of the transversal disc of locking stamen fixed mount (5), on the 240 ° angle position symmetrical, be provided with another lock tooth (17) with locking stamen axle (18), with lock stamen (19) is flat circle, one lock stamen is given as security piece (10) and at 270 ° of angles setting is set, and is symmetrical in and establishes another lock stamen signature piece (12) on the position, 50 ° of angles of locking stamen axle both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94246873 CN2216123Y (en) | 1994-12-02 | 1994-12-02 | Safety theftproof lock for manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94246873 CN2216123Y (en) | 1994-12-02 | 1994-12-02 | Safety theftproof lock for manhole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2216123Y true CN2216123Y (en) | 1995-12-27 |
Family
ID=33852251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94246873 Expired - Fee Related CN2216123Y (en) | 1994-12-02 | 1994-12-02 | Safety theftproof lock for manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2216123Y (en) |
-
1994
- 1994-12-02 CN CN 94246873 patent/CN2216123Y/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 | ||
| 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 |