CN2797554Y - Mechanical lock for man-hole cover - Google Patents
Mechanical lock for man-hole cover Download PDFInfo
- Publication number
- CN2797554Y CN2797554Y CN 200520034655 CN200520034655U CN2797554Y CN 2797554 Y CN2797554 Y CN 2797554Y CN 200520034655 CN200520034655 CN 200520034655 CN 200520034655 U CN200520034655 U CN 200520034655U CN 2797554 Y CN2797554 Y CN 2797554Y
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- China
- Prior art keywords
- hole
- shell
- dead bolt
- transition gear
- key
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Abstract
The utility model belongs to a mechanical lock for a manhole cover of the field of a lockset, which is composed of an outer shell (10), a lock tongue (1), a restoring block (2), a restoring spring (8) and a cover plate (7). The utility model is characterized in that the lock tongue (1) which is provided with a bolt inserting hole (12) is in a rack structure, and is installed in a through hole of the outer shell (10). The restoring block (2) is fixed on the lock tongue (1) by a screw (3), one side of the restoring block (2) is tightly leaned on the inner wall of the outer shell (10), the other side of the restoring block (2) is provided with a hole, and the restoring spring (8) is arranged in the hole. The reset spring (8) is tightly butted with the inner wall on the other side of the outer shell (10). A key inserting hole (6), a screw through hole (9) and a fixing screw hole (22) of the cover plate are arranged on the outer shell (10). The cover plate (7) is fixed on the outer shell (10) by screws. A rack on the lock tongue (1) is matched with the key inserting hole (6). A gear which is engaged with the rack or a transition gear (5) on the lock tongue (1) is arranged on a key (17). The utility model has the advantages of simple structure, convenient operation, safety and low cost.
Description
Affiliated technical field: the utility model belongs to field of lockset, is specifically related to a kind of people's well lid mechanical lock.
Background technology: because telecommunications well lid or municipal wastewater well lid are stolen, cause communication cable stolen, perhaps the pedestrian falls into to cause injury in the well and disables even fatal.According to a large amount of market surveys, find that present well lid more than 90% does not have lock.Though other 10% has lock, major part has not reached the effect of lock.The lock body that has is by heavy corrosion, and the lock that has is too common because of the key of unblanking, and can open easily with a word screwdriver, does not have antitheft purpose.
The purpose of this utility model is in order to overcome the deficiencies in the prior art, for people provide a kind of simple in structure, easy to operate, safe and reliable, Novel Human well lid mechanical lock that cost is low.
The purpose of this utility model realizes by following technical proposals.
The utility model content:
Of the present utility modelly go into the well lid mechanical lock and be made up of shell (10), dead bolt (1), resetting block (2), back-moving spring (8), cover plate (7), the dead bolt (1) that it is characterized in that having latch jack (12) is a rack structure, is installed in the through hole of shell (10); Resetting block (2) is fixed on the dead bolt (1) by screw (3), and a side is close to the inwall of shell (10), and the opposite side of resetting block (2) has a hole, interior dress back-moving spring (8), and back-moving spring (8) holds out against the opposite side inwall of shell (10); Key hole (6), screw via hole (9) and cover plate fixing screw hole (22) are arranged on the shell (10), cover plate (7) by screw on shell (10); Tooth bar on the dead bolt (1) matches with key hole (6).
In the such scheme, transition gear axle (4) is housed on the shell (10); Transition gear (5) is housed on the transition gear axle (4); Transition gear (5) on the one hand with dead bolt (1) on the tooth bar engagement, expose in the outside of shell (10) by the hole on the shell (10) on the other hand, and match with key hole (6).
In the such scheme, sand losing opening (11) is arranged on the bottom surface of shell (10).
In the such scheme, with have on the supporting key (17) of lockset with dead bolt (1) on tooth bar or the gear that is meshed of transition gear (5).
The utility model is that the designer is by repeatedly practising the technical scheme of summing up the science practicality of groping out, during unlatching, drive tooth bar or drive tooth bar with on the key direct geared by transition gear, make dead bolt withdraw from snap close and unblank, with the latch jack on the latch insertion dead bolt, unlocking condition is maintained then; During locking, extract latch, dead bolt enters snap close and pins under the effect of back-moving spring.Because the engagement modulus between gear, the tooth bar is easy to maintain secrecy, so, compare with existing people's well lid mechanical lock, the utlity model has advantage simple in structure, easy to operate, safe and reliable, that cost is low.
Further specify the utility model below by embodiment, the utility model is not limited only to described embodiment.
Description of drawings:
Fig. 1 is the front view (during uncovered) of embodiment one of the present utility model.
Fig. 2 is the right view (analysing and observe along center line) of embodiment one of the present utility model.
Fig. 3 is the upward view of embodiment one of the present utility model.
Fig. 4 is the schematic diagram of embodiment one opening of the present utility model.
Fig. 5 is one of scheme of installation of embodiment one of the present utility model.
Fig. 6 be embodiment one of the present utility model scheme of installation two.
Fig. 7 is the schematic diagram of key of the present utility model.
Fig. 8 is the A-A sectional view of Fig. 7.
Among the figure: 1: dead bolt; 2: resetting block; 3: screw; 4: the transition gear axle; 5: transition gear; 6: key hole; 7: cover plate; 8: back-moving spring; 9: the screw via hole; 10: shell; 11: sand losing opening; 12: the latch jack; 13: mounting screw; 14: the borehole wall; 15: walling crib; 16: well lid; 17: key; 18: latch; 19: snap close; 20: pintle; 21: the pintle hole; 22: the cover plate fixing screw hole; 23: the pin hole on the well lid; 24: the key hole on the well lid.
The specific embodiment:
Embodiment one
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, people's well lid mechanical lock of present embodiment is made up of shell (10), dead bolt (1), resetting block (2), back-moving spring (8), transition gear (5), cover plate (7), the dead bolt (1) that it is characterized in that having latch jack (12) is a rack structure, is installed in the through hole of shell (10); Resetting block (2) is fixed on the dead bolt (1) by screw (3), and a side is close to the inwall of shell (10), and the opposite side of resetting block (2) has a hole, interior dress back-moving spring (8), and back-moving spring (8) holds out against the opposite side inwall of shell (10); Key hole (6), screw via hole (9) and cover plate fixing screw hole (22) are arranged on the shell (10), cover plate (7) by screw on shell (10); Transition gear axle (4) is housed on the shell (10); Transition gear (5) is housed on the transition gear axle (4); Transition gear (5) on the one hand with dead bolt (1) on the tooth bar engagement, expose in the outside of shell (10) by the hole on the shell (10) on the other hand, and match with key hole (6).
Sand losing opening (11) is arranged on the bottom surface of shell (10).
As Fig. 7, shown in Figure 8, and on the supporting key (17) of lockset the gear that is meshed with transition gear (5) is arranged.
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, in this example, cover plate (7) is connected by screw with shell (10), at the left and right sides and the lower side of shell (10) a rectangular through hole is arranged respectively.The dead bolt that shape is a tooth bar (1) is housed in the through hole of the left and right sides, and dead bolt (1) can move left and right in the through hole of both sides.In the top of dead bolt (1) resetting block (2) is arranged, resetting block (2) is connected by screw 3 with dead bolt (1).There is a hole on right side at resetting block (2), and the left end of interior dress back-moving spring (8), the right-hand member of back-moving spring (8) withstand on the inwall on right side of shell (10).One transition gear (5) is arranged in the downside square hole of shell (10), be connected on the shell (10) by transition gear axle (4), transition gear (5) meshes with the gear bar place of dead bolt (1).Transition gear (5) can rotate around transition gear axle (4), downside in transition gear (5), one key hole (6) is arranged on the shell (10), and in an insertion key hole (6) of key (17), the gear parts on the key (17) will mesh with transition gear (5).One latch jack (12) (as shown in Figure 4) is arranged in the rear end of dead bolt (1).Go up three screw via holes (9) in addition at shell (10), whole lock body links to each other (as shown in Figure 5) with well lid (16) by mounting screw (13).
As shown in Figure 5 and Figure 6, lock is installed on the well lid (16), and snap close (19) is installed on the walling crib (15) by screw.Snap close has a hole on (19), and dead bolt (1) can insert in the hole of snap close (19).One key hole (24) is arranged on well lid (16), its below is over against the key hole (6) of lock shell (10), also have a pin hole (23), when lock is opened dead bolt (1) when withdrawing from snap close (19), the pin hole (23) on the latch jack (12) on the dead bolt (1) and the well lid over against.Go up over against facing the wall and meditating at the warp-wise of walling crib (15) snap close and to make a call to a pintle hole (21), pintle (20) upwards is housed, spool can the inserting in the pintle hole (21) on the walling crib (15) of pintle (20) at the warp of well lid (16) lock body.
The concrete course of work of people's well lid mechanical lock that this is routine is as follows:
The key hole (24) that passes through on the well lid (16) when key (17) inserts in the key hole of locking on the shell (10) (6), and as Fig. 4 direction key (17), the gear driven transition gear (5) of key (17) rotates around transition gear axle (4).Transition gear (5) drives the dead bolt (1) that is meshed with it and moves right.When dead bolt (1) withdrawed from snap close (19) fully, by the latch jack (12) on the pin hole on the well lid (23) the insertion dead bolt (1), dead bolt (1) was tangled by latch (18), can not move with latch (18).Can extract key (17) this moment, and lock is opened, and well lid just can be opened.When we need lock well lid, at first pintle (20) is inserted in the pintle hole (21) on the walling crib (15), well lid (16) is put into walling crib (15), pull out latch (18), dead bolt (1) is moved to the left under the effect of back-moving spring (8) promotion resetting block (2), dead bolt (1) inserts in the snap close (19), and well lid (16) is lockable.
Embodiment two
People's well lid mechanical lock of present embodiment is made up of shell (10), dead bolt (1), resetting block (2), back-moving spring (8), cover plate (7), and the dead bolt (1) that it is characterized in that having latch jack (12) is a rack structure, is installed in the through hole of shell (10); Resetting block (2) is fixed on the dead bolt (1) by screw (3), and a side is close to the inwall of shell (10), and the opposite side of resetting block (2) has a hole, interior dress back-moving spring (8), and back-moving spring (8) holds out against the opposite side inwall of shell (10); Key hole (6), screw via hole (9) and cover plate fixing screw hole (22) are arranged on the shell (10), cover plate (7) by screw on shell (10); Tooth bar on the dead bolt (1) is given prominence to outside shell (10) by the hole of shell (10) downside, and matches with key hole (6).
Sand losing opening (11) is arranged on the bottom surface of shell (10).
With the gear that is meshed with tooth bar on the dead bolt (1) is arranged on the supporting key (17) of lockset.
Claims (4)
1. people's well lid mechanical lock is made up of shell (10), dead bolt (1), resetting block (2), back-moving spring (8), cover plate (7), and the dead bolt (1) that it is characterized in that having latch jack (12) is a rack structure, is installed in the through hole of shell (10); Resetting block (2) is fixed on the dead bolt (1) by screw (3), and a side is close to the inwall of shell (10), and the opposite side of resetting block (2) has a hole, interior dress back-moving spring (8), and back-moving spring (8) holds out against the opposite side inwall of shell (10); Key hole (6), screw via hole (9) and cover plate fixing screw hole (22) are arranged on the shell (10), cover plate (7) by screw on shell (10); Tooth bar on the dead bolt (1) matches with key hole (6).
2. people's well lid mechanical lock according to claim 1 is characterized in that being equipped with on the shell (10) transition gear axle (4); Transition gear (5) is housed on the transition gear axle (4); Transition gear (5) on the one hand with dead bolt (1) on the tooth bar engagement, expose in the outside of shell (10) by the hole on the shell (10) on the other hand, and match with key hole (6).
3. people's well lid mechanical lock according to claim 1 is characterized in that on the bottom surface of shell (10) sand losing opening (11) being arranged.
4. people's well lid mechanical lock according to claim 1, it is characterized in that having on the key supporting (17) with lockset with dead bolt (1) on tooth bar or the gear that is meshed of transition gear (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520034655 CN2797554Y (en) | 2005-06-30 | 2005-06-30 | Mechanical lock for man-hole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520034655 CN2797554Y (en) | 2005-06-30 | 2005-06-30 | Mechanical lock for man-hole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2797554Y true CN2797554Y (en) | 2006-07-19 |
Family
ID=36868794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520034655 Expired - Fee Related CN2797554Y (en) | 2005-06-30 | 2005-06-30 | Mechanical lock for man-hole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2797554Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195309A (en) * | 2013-04-28 | 2013-07-10 | 池仁记 | Fireproof lock for pipeline shaft door |
| CN108150515A (en) * | 2018-02-05 | 2018-06-12 | 郑鹏 | A kind of anti-demounting bolt structure |
-
2005
- 2005-06-30 CN CN 200520034655 patent/CN2797554Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195309A (en) * | 2013-04-28 | 2013-07-10 | 池仁记 | Fireproof lock for pipeline shaft door |
| CN108150515A (en) * | 2018-02-05 | 2018-06-12 | 郑鹏 | A kind of anti-demounting bolt structure |
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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: 20060719 |