CN2182849Y - Automatic theft-proof safety door lock - Google Patents
Automatic theft-proof safety door lock Download PDFInfo
- Publication number
- CN2182849Y CN2182849Y CN 94202564 CN94202564U CN2182849Y CN 2182849 Y CN2182849 Y CN 2182849Y CN 94202564 CN94202564 CN 94202564 CN 94202564 U CN94202564 U CN 94202564U CN 2182849 Y CN2182849 Y CN 2182849Y
- Authority
- CN
- China
- Prior art keywords
- lock
- plate
- slip location
- groove
- sliding jaw
- 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 a door lock. The upper side of a rotating disk which has the coaxial rotation with a handle is hinged with three slide connecting rods, a lock-slide clamping plate which can act the transverse movement is arranged in a lock case, and an inserting plate can be inserted and connected with a concave groove on the rotating disk. A lock-slide positioning plate which can act the longitudinal movement is arranged at the back side of the lock-slide clamping plate, and a lock blade case which is provided with lock blades is fixed in the lock case. A slide positioning plate which can act the transverse movement can be inserted and connected with one of the slide connecting rods, and a rotary fixing plate which can fix the lock-slide positioning plate is sheathed with a rotating shaft. When the lock is opened or the lock is closed, a purpose-made key is used. When the door lock is damaged, the lock can be closed automatically.
Description
The utility model relates to a kind of door lock, automatic antitheft safety door latch that especially can self-locking.
At present, known anti-theft security door lock is to constitute like this, and the gear that constitutes one with handle is meshed with four tooth bars that are provided with plate, the dead bolt that the homology functor lock pin is hinged is meshed with plate, after pellet shot from a slingshot was destroyed, dead bolt can be separated with plate, lost the locking effect.
The purpose of this utility model provides a kind of automatic antitheft safety door latch.
The purpose of this utility model is achieved in that each end of three slide links all is hinged with rotating disk, the other end can move reciprocatingly by the tie rod holes on the lock box, rotating disk socket-connects with axle sleeve and square shaft, the slip location-plate is provided with horizontal sliding tray and pin-and-hole, edge at the slip location-plate is provided with plate and groove, the slip location-plate is supported on the alignment pin on the lock box by horizontal sliding tray, retainer spring is meshed with groove on the slip location-plate edge, plate on the slip location-plate can plug with the groove on the slide link, one side is provided with cotter way, the locking plate that middle part edge is provided with semi-circular recesses is connected on the turning cylinder by the circle hole sleeve that the one end is inlaid with axle sleeve, be installed in the locking plate box, and by the lid contained, locking plate box and lock box fix, both sides up and down at the lock sliding jaw are respectively arranged with Baltimore groove, other both sides at the lock sliding jaw are respectively arranged with plate, the lock sliding jaw is provided with horizontal sliding tray, lock slip location-plate is provided with longitudinal sliding slot, the lateral edges place is provided with clamp and the longitudinal sliding slot that is folded to the outside thereon, lock sliding jaw and lock slip location-plate place in the lock box successively, the longitudinal sliding slot that makes the horizontal sliding tray on the lock sliding jaw and lock on the slip location-plate is supported by sliding axle, longitudinal sliding slot on the lock slip location-plate is supported by the location lock, the lock sliding jaw can be done traverse motion, the plate of lock sliding jaw one side can be plugged with the groove at disk edge place, lock slip location-plate can be done vertical reciprocating motion, the clamp of lock slip location-plate upside can be meshed with the Baltimore groove of the sliding clamp upside of lock, one end is provided with stay hook, rotational fixation plate and turning cylinder that the other end is provided with pin-and-hole socket-connect, stay hook can fix with lock slip location-plate, side at the rotational fixation plate is provided with spring, shift fork and Handle axis fix, two bolts on the shift fork respectively with slip location-plate and rotational fixation plate on pin-and-hole be hinged, lock box cover and lock box fix, dial is socketed on the Handle axis by axle sleeve, one end of handle and Handle axis fixes, be socketed with dial at the square shaft two ends that are fixed with rotating disk respectively and be fixed with handle set, lock core, outer lock core and lock core cover are fixed into one successively, and fix by outer lock core and lock box cover, spring and pellet shot from a slingshot are installed in the bullet groove on outer lock core, the ring that outer rim is provided with projection is socketed on the rear end of lock core and is fixed by catch spring, projection on the ring outer rim can be meshed with the Baltimore groove of lock sliding jaw downside, backguy sheet and lock core fix, location on locking plate and lock box cover is phase-locked hinged, the two ends of steel wire join with the backguy sheet with from locking plate respectively, end from locking plate joins by spring and lock box cover, except that being provided with the profile of tooth projection, also be provided with the profile of tooth projection at the middle part of key at the afterbody of key.
Owing to adopt such scheme, must adopt private key, can unblank or locking, in addition, after cylinder lock is destroyed, can carry out locking automatically, also can carry out self-locking, safety is good.
Below in conjunction with drawings and Examples the utility model is described further.
Fig. 1 is a structure chart of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 1.
Fig. 4 is the C-C sectional view of Fig. 1.
Fig. 5 is the structure chart of the utility model self-locking gear.
Fig. 6 is the structure chart of the utility model locking plate.
Fig. 7 is the structure chart of the utility model outer lock core.
Fig. 8 is the structure chart of the utility model lock core.
Fig. 9 is the structure chart of the utility model ring.
Figure 10 is the structure chart of the utility model backguy sheet.
Figure 11 is the structure chart of the utility model lock slip location-plate.
Figure 12 is the lateral view of the utility model lock slip location-plate.
Figure 13 is the structure chart of the utility model lock sliding jaw.
Figure 14 is the lateral view of the utility model lock sliding jaw.
Figure 15 is the structure chart of the utility model rotational fixation plate.
Figure 16 is the lateral view of the utility model rotational fixation plate.
Figure 17 is the structure chart of the utility model shift fork.
Figure 18 is the lateral view of the utility model shift fork.
Among the figure 1, lock box 2, slide link 3, rotating disk 4, pivot pin 5, slide link 6, retainer spring 7, slip location-plate 8, lock sliding jaw 9, rotational fixation plate 10, spring 11, screw 12, turning cylinder 13, lock slip location-plate 14, alignment pin 15, sliding axle 16, handle 17, dial 18, Handle axis 19, axle sleeve 20, shift fork 21, locking plate 22, locking plate box 23, lid 24, lock box cover 25, screw rod 26, ring 27, catch spring 28, lock core 29, outer lock core 30, lock core cover 31, key 32, screw 33, axle sleeve 34, square shaft 35, dial 36, handle set 37, handle 38, backguy sheet 39, alignment pin 40, from locking plate 41, steel wire 42, spring 43, slide link
In Fig. 1, Fig. 2, Fig. 3 and embodiment shown in Figure 4, rotating disk (3) socket-connects by axle sleeve (33) and square shaft (34), and be placed in the inner chamber of lock box (1), one end and the rotating disk (3) of slide link (2), slide link (5) and slide link (43) are hinged by pivot pin (4), the other end can move reciprocatingly by the tie rod holes on the lock box (1), can join with the jack on the doorframe.Slip location-plate (7) is provided with horizontal sliding tray and pin-and-hole, left side at slip location-plate (7) is provided with plate, upside at slip location-plate (7) is provided with groove, slip location-plate (7) is supported on the alignment pin on the lock box (1) by horizontal sliding tray, retainer spring (6) is meshed with the groove of slip location-plate (7) top edge, plate on the slip location-plate (7) can plug with the groove on the slide link (5), the left and right sides at locking plate (21) is respectively arranged with cotter way and circular hole, middle side part edge is provided with semi-circular recesses under it, be inlaid with axle sleeve in the circular hole, locking plate (21) is socketed on the turning cylinder (12) by axle sleeve, locking plate (21) can be selected ten for use, be divided into five groups, every group two, the radius of every group semi-circular recesses equates, the size of its radius depends on the size of key (31) afterbody profile of tooth projection radius, the radius that is locking plate (21) semi-circular recesses must equate with key (31) afterbody profile of tooth radius, locking plate (21) is placed in the locking plate box (22), to cover (23) by screw (11) and be fixed into one with locking plate box (22), locking plate box (22) fixes with lock box (1), both sides up and down at lock sliding jaw (8) are respectively arranged with Baltimore groove, other both sides at lock sliding jaw (8) are respectively arranged with plate, lock sliding jaw (8) is provided with horizontal sliding tray, lock slip location-plate (13) is provided with longitudinal sliding slot, the lateral edges place is provided with clamp and the longitudinal sliding slot that is folded to the outside thereon, lock sliding jaw (7) and lock slip location-plate (13) place in the lock box (1) successively, the longitudinal sliding slot that makes the horizontal sliding tray on the lock sliding jaw (8) and lock on the slip location-plate (13) is supported by sliding axle (15), longitudinal sliding slot on lock slip location-plate (13) pin (14) that is positioned is supported, lock sliding jaw (8) can be done traverse motion, the plate of its both sides can be plugged with the groove of rotating disk (3) edge and the groove on the doorframe respectively, the groove of lock sliding jaw (8) downside can be meshed with ring (26) projection of lock core (28) rear end, lock slip location-plate (13) can be done vertical reciprocating motion, the clamp that makes lock slip location-plate (13) be folded to the outside can be meshed with the Baltimore groove of lock sliding jaw (8) upside, one end is provided with stay hook, the rotational fixation plate (9) that the other end is provided with pin-and-hole socket-connects with turning cylinder (12), turning cylinder (12) is fixed by screw (32), stay hook can fix with the upside of lock slip location-plate (13), side at rotational fixation plate (9) is provided with spring (10), shift fork (20) fixes with Handle axis (18), two bolts on the shift fork (20) respectively with slip location-plate (7) and rotational fixation plate (9) on pin-and-hole be hinged, lock box cover (24) fixes by screw rod (25) and lock box (1), dial (17) is socketed on the Handle axis (18) by axle sleeve (19), handle (16) fixes with an end of Handle axis (18), be socketed with dial (35) at the two ends of square shaft (34) respectively and be fixed with handle set (36), handle (37) is installed on the handle set (36), lock core (28), outer lock core (29) and lock core cover (30) join successively and are fixed into one, and fix by outer lock core (29) and lock box cover (24), in the bullet groove on outer lock core (29) spring and pellet shot from a slingshot are installed, the ring (26) that outer rim is provided with projection is socketed on the rear end of lock core (28) and is fixed by catch spring (27), projection on ring (26) outer rim can be meshed with the Baltimore groove of lock sliding jaw (8) downside, backguy sheet (38) fixes with lock core (28), alignment pin (39) on locking plate (40) and lock box cover (24) is hinged, the two ends of steel wire (41) join with backguy sheet (38) with from locking plate (40) respectively, end from locking plate (40) joins by spring (42) and lock box cover (24), and the other end can be meshed with the groove of lock sliding jaw (8) upside.In addition, key (31) is a kind of special key, and except that key (31) central structure was identical with existing key, its afterbody was provided with the profile of tooth projection, and its profile of tooth is identical with the normal key profile of tooth.Using method is as follows: when desiring to unblank, at first key (31) is inserted in the outer lock core (29), the afterbody of key (31) also is inserted in the locking plate box (22) simultaneously, its profile of tooth projection contacts with semi-circular recesses on the locking plate (21), makes the groove of locking plate (21) rear side be in same position.Turning handle (16) thereupon, and the shift fork (20) of handle (16) coaxial rotation is stirred slip location-plate (8) and rotational fixation plate (9), make plate on the slip location-plate (7) and recessed being separated on the slide link (5), the stay hook of rotational fixation plate (9) upper end is separated with lock slip location-plate (13), when rotating outer lock core (29) with key (31), lock slip location-plate (13) moves upward, the clamp of lock slip location-plate (13) upside is separated with lock sliding jaw (8), as be rotated further outer lock core (29), ring (26) projection of outer lock core (29) tail end is stirred the groove of lock sliding jaw (8) downside, the plate in lock sliding jaw (8) left side and the groove at rotating disk (3) edge are separated, and plug with the groove of locking plate (21) rear side, use hand turning handle (37) this moment, square shaft (34) drives rotating disk (3) and rotates, three slide links (1) that are hinged with rotating disk (3), (5), (43) inner chamber to lock box (1) shrinks, be separated with the groove on the doorframe, unlocking action finishes, as when desiring locking, then behaviour does action with above-mentioned opposite, when outer lock core (29) or lock core (28) or steel wire (41) when being destroyed, steel wire (41) fractures, from locking plate (40) under the effect of spring (42), the one end is meshed with the groove of lock sliding jaw (8) upside, lock sliding jaw (8) can not be moved reciprocatingly, and rotating disk (3) still is in blocking.
Claims (1)
1, a kind of automatic antitheft safety door latch is characterized in that:
A, slide link (2), one end of slide link (5) and slide link (43) and rotating disk (3) are hinged, the other end can move reciprocatingly, rotating disk (3) socket-connects with axle sleeve (33) and square shaft (34), slip location-plate (7) is provided with horizontal sliding tray and pin-and-hole, edge at slip location-plate (7) is provided with plate and groove, slip location-plate (7) is supported on the alignment pin on the lock box (1) by horizontal sliding tray, retainer spring (6) is meshed with groove on slip location-plate (7) edge, plate on the slip location-plate (7) can plug with the groove on the slide link (5), one side is provided with cotter way, the locking plate (21) that middle part edge is provided with semi-circular recesses is connected on the turning cylinder (12) by the circle hole sleeve that the one end is inlaid with axle sleeve, be installed in the locking plate box (22), and by the lid (23) contained, locking plate box (22) fixes with lock box (1), both sides up and down at lock sliding jaw (8) are respectively arranged with Baltimore groove, other both sides at lock sliding jaw (8) are respectively arranged with plate, lock sliding jaw (8) is provided with horizontal sliding tray, lock slip location-plate (13) is provided with longitudinal sliding slot, the lateral edges place is provided with clamp and the longitudinal sliding slot that is folded to the outside thereon, lock sliding jaw (7) and lock slip location-plate (13) place in the lock box (1) successively, the longitudinal sliding slot that makes the horizontal sliding tray on the lock sliding jaw (8) and lock on the slip location-plate (13) is supported by sliding axle (15), longitudinal sliding slot on the lock slip location-plate (13) is supported by alignment pin (14), lock sliding jaw (8) can be done traverse motion, the plate of lock sliding jaw (8) one sides can be plugged with the groove of rotating disk (3) edge, lock slip location-plate (13) can be done vertical reciprocating motion, the clamp of lock slip location-plate (13) upside can be meshed with the Baltimore groove of lock sliding jaw (8) upside, one end is provided with stay hook, the rotational fixation plate (9) that the other end is provided with pin-and-hole joins with turning cylinder (12), stay hook can join with lock slip location-plate (13), side at rotational fixation plate (9) is provided with spring (10), shift fork (20) fixes with Handle axis (18), two bolts on the shift fork (20) respectively with slip location-plate (7) and rotational fixation plate (9) on pin-and-hole be hinged, lock box cover (24) fixes with lock box (1), dial (17) is socketed on the Handle axis (18) by axle sleeve (19), handle (16) fixes with an end of Handle axis (18), be socketed with dial (35) at the two ends of square shaft (34) respectively and be fixed with handle set (36), lock core (28), outer lock core (29) and lock core cover (30) are fixed into one successively, and fix by outer lock core (29) and lock box cover (24), in the bullet groove on outer lock core (29) spring and pellet shot from a slingshot are installed, the ring (26) that outer rim is provided with projection is socketed on the rear end of lock core (28) and is fixed by catch spring (27), projection on ring (26) outer rim can be meshed with the Baltimore groove of lock sliding jaw (8) downside, backguy sheet (38) fixes with lock core (28), locking (39) from locking plate (40) with the location on the lock box cover (24) is hinged, the two ends of steel wire (41) join with backguy sheet (38) with from locking plate (40) respectively, end from locking plate (40) joins by spring (42) and lock box cover (24)
B, be provided with the profile of tooth projection at the afterbody of key (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94202564 CN2182849Y (en) | 1994-01-21 | 1994-01-21 | Automatic theft-proof safety door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94202564 CN2182849Y (en) | 1994-01-21 | 1994-01-21 | Automatic theft-proof safety door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2182849Y true CN2182849Y (en) | 1994-11-16 |
Family
ID=33822296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94202564 Expired - Fee Related CN2182849Y (en) | 1994-01-21 | 1994-01-21 | Automatic theft-proof safety door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2182849Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1916337B (en) * | 2006-09-07 | 2011-06-08 | 陆昱森 | Automatic safety door lock of possessing rotation type cylinder lock head |
| CN1317617B (en) * | 2000-04-06 | 2014-10-29 | 任文林 | Lock |
-
1994
- 1994-01-21 CN CN 94202564 patent/CN2182849Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317617B (en) * | 2000-04-06 | 2014-10-29 | 任文林 | Lock |
| CN1916337B (en) * | 2006-09-07 | 2011-06-08 | 陆昱森 | Automatic safety door lock of possessing rotation type cylinder lock head |
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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 |