CN102587743B - Automatic-locking anti-theft door lock - Google Patents
Automatic-locking anti-theft door lock Download PDFInfo
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- CN102587743B CN102587743B CN201210035922.7A CN201210035922A CN102587743B CN 102587743 B CN102587743 B CN 102587743B CN 201210035922 A CN201210035922 A CN 201210035922A CN 102587743 B CN102587743 B CN 102587743B
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- linkage board
- lock housing
- bolt
- dead bolt
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Abstract
The invention relates to an automatic-locking anti-theft door lock which comprises a lock shell and a dead bolt, wherein the lower end of the dead bolt is fixed on a bolt carriage. The automatic-locking anti-theft door lock is characterized by further comprising a linkage plate and a trigger member, wherein the linkage plate is limited in the lock shell and only can transversely move left and right along the lock shell; the linkage plate and the bolt carriage are in transmission connection; the trigger member penetrates through the upper side wall of the lock shell and can longitudinally slide up and down; a second torsional spring is arranged in the lock shell; the rear part of the trigger member is provided with a clamp column protruding upwards; the linkage plate is provided with a duct for the clamp column to slide therein; and a clamp slot for clamping the clamp column is arranged on the upper side wall of the duct. To close the door, the trigger member collides with an obstacle (door frame) and retracts downwards into the lock shell, the clamp column on the trigger member is separated from the clamp slot to release the traverse locking of the linkage plate, and the linkage plate moves leftwards under the effect of the first torsional spring so as to drive the bolt carriage and the dead bolt to upwards extend out of the lock shell, and the aim of quickly, safely and conveniently closing the door can be achieved without rotating the key.
Description
Technical field
The present invention relates to a kind of safe-guard door lock, relate in particular to and a kind ofly without key, deliberately lock, as long as close the door, just can stretch out the self-locking safe-guard door lock of Square lock bolt.
Background technology
The door lock of more existing many dead bolts, although there is Square lock bolt antitheft, pick-proof effect, and the automatic above-mentioned oblique dead bolt of energy, but the unlatching of Square lock bolt all needs to rotate key to be realized, if the time is hasty or forget and lock to only have oblique dead bolt to play locking action, its theftproof can reduce.For aforementioned present situation, be to strengthen the safety of door lock, there is human hair to understand and multiplely without key, deliberately lock, as long as close the door, just can stretch out the self-locking safe-guard door lock of Square lock bolt.
If the patent No. is the Chinese utility model patent < < self-locking door lock > of energy > of ZL201020688389.0 (notification number is CN201943464U), if the patent No. is the automatic mechanism for locking up > > of the Chinese utility model patent < < lockset of ZL201020191901.0 (notification number is CN201695799U), if the patent No. is the Chinese utility model patent < < automatic locking > > of ZL03279360.X (notification number is CN2654803Y), they have disclosed respectively a kind ofly so deliberately locks without key, as long as close the door, just can stretch out the self-locking safe-guard door lock of Square lock bolt.
All there is complex structure, shortcoming that cost is high in the self-locking safe-guard door lock that so aforementioned patent is mentioned.
Summary of the invention
As long as technical problem to be solved by this invention is to provide a kind of easy to operate, simple and reasonable closing the door just can stretch out Square lock bolt without key turns and enter line-locked self-locking safe-guard door lock for above-mentioned prior art present situation.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of self-locking safe-guard door lock, comprise lock housing, only on the upper side wall of lock housing, be equipped with the Square lock bolt of straight skidding up and down, the lower end of Square lock bolt is fixed on dead bolt planker, it is characterized in that: also comprise linkage board, spacingly in lock housing, can only make left and right transverse shifting along lock housing, this linkage board and dead bolt planker are in transmission connection, so that moving to left of linkage board can drive Square lock bolt to stretch out lock housing, moving to right of linkage board can drive Square lock bolt indentation lock housing, in lock housing, be provided with and act on linkage board and make linkage board keep the first torsion spring of the trend that moves to left, trigger part, be located on the upper side wall of lock housing and straight skidding up and down only, in lock housing, be provided with to act on and trigger part and make to trigger part and keep moving outer the second torsion spring that stretches out lock housing trend, the rear portion of triggering part has the card column raising up, on described linkage board, have the duct for card column slippage within it, on the upper side wall in this duct, have the draw-in groove snapping in for card column, at linkage board, move to left to Square lock bolt is stretched out outward under the state of lock housing, described triggering part moves under the second torsion spring effect and makes card column snap in described draw-in groove by linkage board lateral locking.
Between above-mentioned linkage board and dead bolt planker, by L-shaped vane plate, link together, the middle part of described vane plate is rotatably connected in lock housing, the top of vane plate is provided with upwardly extending the first lead, the bottom of vane plate is provided with upwardly extending the second lead, described the first lead is plugged in the gathering sill that is positioned at dead bolt planker sidepiece horizontally set, and described the second lead is plugged in the pilot hole that is positioned at the vertical setting on linkage board.By vane plate, linkage board and dead bolt planker are linked together simple and reasonable, the mode that certainly also can coordinate with skewed slot by axle, moves up and down the transverse shifting drive dead bolt planker of linkage board.
Above-mentioned triggering part is by triggering body and trigger head forms, described trigger head be rotatably connected on trigger body upper end and can swing, the front/rear end of trigger head is inclined-plane, and a free end of described the second torsion spring is plugged in and triggers in body and make to trigger part and keep moving trend.Because the front/rear end of trigger head is inclined-plane, therefore no matter trigger head is from running into forward or backward obstacle (doorframe), can deflection and drive trigger head and triggering body together with in indentation lock housing.
The bottom surface of above-mentioned lock housing is provided with two and extends upward and the spaced retaining wall in left and right, and described triggering body constrains between this two retaining wall.Retaining wall plays further effect of contraction to cuboid, guarantees better to trigger only slippage up and down of part.
Improve further, only on the upper side wall of above-mentioned lock housing, be equipped with the movable dead bolt of straight skidding up and down, movable dead bolt is comprised of two oblique spring bolt heads and a lock tongue body, described two oblique spring bolt heads are rotatably connected on respectively the left and right sides of lock tongue body upper end, inclined-plane in two oblique spring bolt heads is oppositely arranged inwardly, in described lock housing, be provided with and act on lock tongue body and make two oblique spring bolt heads on lock tongue body outer the 3rd torsion spring that stretches out lock housing trend that keeps up, described lock tongue body is provided with block piece, the upper side wall of described linkage board has the breach that moves down surplus to block piece is provided, under the state moving to left at linkage board, described block piece is stopped and stops lock tongue body to move down by the upper side wall of linkage board, under the state moving to right at linkage board, described notch alignment block piece and dead bolt physical efficiency is moved down.
Movable dead bolt plays the effect of secondary locking, its effect is equivalent to the oblique dead bolt in existing door lock, certainly this movable dead bolt is compared and is had the following advantages with oblique dead bolt, because two oblique spring bolt heads are rotatably connected on respectively the left and right sides of lock tongue body upper end, inclined-plane in two oblique spring bolt heads is oppositely arranged inwardly, therefore no matter oblique spring bolt head runs into obstacle (doorframe) forward or backward, can deflection and drive whole movable dead bolt after move, therefore this door lock does not limit installation direction, more convenient and hommization is installed, the overhanging of movable dead bolt only realized by torsion spring in addition, without shift fork is additionally set, the realization that stops that retreats upper side wall by linkage board and block piece of movable dead bolt, structure design is quite reasonable.
Above-mentioned block piece is the roller that is rotatably connected on lock tongue body upper surface.When roller guarantees linkage board horizontal sliding, linkage board receives that the resistance of block piece reduces, and linkage board slippage is lighter.The bottom of above-mentioned lock tongue body has concave part, and the free end of described the 3rd torsion spring is resisted against on the upper inwall of this concave part and makes lock tongue body keep moving trend.
The middle part of above-mentioned vane plate is rotatably connected on lock housing diapire by rotating shaft, has the first horizontal guide groove on described linkage board, and rotating shaft is upward through this first horizontal guide groove.The object that is rotationally connected vane plate is not only played in rotating shaft, but also plays the effect to linkage board horizontal restrain, reasonable in design.
On the lower surface on above-mentioned linkage board right side, be fixed with the first gear shaft to downward-extension, a free end of described the first torsion spring is resisted against on described the first gear shaft and makes linkage board keep the trend that moves to left, on the diapire of described lock housing, have the second horizontal guide groove, described the first gear shaft is passed down through the second horizontal guide groove.The first gear shaft not only plays the effect that the first torsion spring is provided to application of force position, also plays the effect to linkage board horizontal restrain, reasonable in design.
In above-mentioned lock housing, be provided with the main shift fork being rotated by key actuated and the ox horn shift fork being rotated by handle drives, the left side wall of described dead bolt planker is provided with the opening matching with main shift fork, the rotational of described main shift fork promotes linkage board and moves to right, also can contact with the lower inwall of opening simultaneously and promote dead bolt planker and move down, the rotational drive linkage board of described ox horn shift fork moves to right.Adopt two independently actuator realize and to open the door, for conventional door lock relates to mode.
On the lower surface at above-mentioned linkage board middle part, be fixed with the second gear shaft to downward-extension, the rotational of described ox horn shift fork makes the left side bar portion of ox horn shift fork promote to coordinate with the second gear shaft, in lock housing, be provided with the 4th torsion spring, the free end of the 4th torsion spring acts on the right-hand rod portion of ox horn shift fork and the left side bar portion of ox horn shift fork is kept left away from the second gear shaft trend.
Compared with prior art, the invention has the advantages that: at closing time, triggering part and obstacle (doorframe) collision can be downwards in indentation lock housing, the card column triggering on part departs from draw-in groove, the lateral locking of releasing to linkage board, linkage board can move to left under the effect of the first torsion spring, the meeting that moves to left of linkage board drives dead bolt planker and Square lock bolt to protrude upward lock housing outward and locks, without rotating, key just can reach rapidly, safe, the object of conveniently closing the door, it is few that the running part of this door latch structure relates to parts, simple and reasonable.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present invention door opening state;
Fig. 2 is the perspective view (removing main shift fork state) of embodiment of the present invention door opening state;
Fig. 3 is the close the door structural representation of state of the embodiment of the present invention;
Fig. 4 is the close the door perspective view (removing main shift fork state) of state of the embodiment of the present invention;
Fig. 5 is the structural representation (removing linkage board, Square lock bolt, dead bolt planker and active lock ligule state) of the embodiment of the present invention;
Fig. 6 is connected with the perspective view of the Square lock bolt of dead bolt planker in the embodiment of the present invention;
Fig. 7 is the perspective view of linkage board in the embodiment of the present invention;
Fig. 8 triggers the perspective view of part in the embodiment of the present invention;
Fig. 9 is the perspective view of movable dead bolt in the embodiment of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
As shown in Fig. 1～9, it is a preferred embodiment of the present invention.
A kind of self-locking safe-guard door lock, comprise lock housing 1, lock housing 1 by base and cover plate to being combined into, cover plate does not show in drawing, only on the upper side wall of lock housing 1, be equipped with the Square lock bolt 4 of straight skidding up and down, the lower end of Square lock bolt 4 is fixed on dead bolt planker 2, and dead bolt planker 2 constrains in lock housing 1 by axial trough restraining structure and straight skidding up and down only.
Linkage board 3, by axial trough fit structure is spacing, in lock housing 1, can only make left and right transverse shifting along lock housing 1, this linkage board 3 is in transmission connection with dead bolt planker 2, so that moving to left of linkage board 3 can drive Square lock bolt 4 to stretch out lock housing 1, moving to right of linkage board 3 can drive Square lock bolt 4 indentation lock housings 1, is provided with to act on linkage board 3 and make linkage board 3 keep the first torsion spring 5a of the trend that moves to left in lock housing 1; On the lower surface on linkage board 3 right sides, be fixed with the first gear shaft 35 to downward-extension, a free end of the first torsion spring 5a is resisted against on described the first gear shaft 35 and makes linkage board 3 keep the trend that moves to left, on the diapire of lock housing 1, have the second horizontal guide groove 12, the first gear shafts 35 and be passed down through the second horizontal guide groove 12.
Between linkage board 3 and dead bolt planker 2, by L-shaped vane plate 7, link together, the middle part of vane plate 7 is rotatably connected in lock housing 1 by rotating shaft 73, on linkage board 3, have the first horizontal guide groove 34, rotating shaft 73 is upward through this first horizontal guide groove 34, the top of vane plate 7 is provided with upwardly extending the first lead 71, the bottom of vane plate 7 is provided with upwardly extending the second lead 72, the first lead 71 is plugged in gathering sill 21, the second leads 72 that are positioned at dead bolt planker 2 sidepiece horizontally sets and is plugged in the pilot hole 32 that is positioned at the vertical setting on linkage board 3.
Trigger part 6, be located on the upper side wall of lock housing 1 and straight skidding up and down only, in lock housing 1, be provided with to act on and trigger part 6 and make to trigger part 6 and keep moving outer the second torsion spring 5b that stretches out lock housing 1 trend, the rear portion of triggering part 6 has the card column 63 raising up, on linkage board 3, have the duct 31 for card column 63 slippage within it, on the upper side wall in this duct 31, have the draw-in groove 311 snapping in for card column 63, at linkage board 3, move to left and outside making Square lock bolt 4, stretch out under the state of lock housing 1, triggering part 6 moves under the second torsion spring 5b effect and makes card column 63 snap in draw-in groove 311 by linkage board 3 lateral lockings.
Trigger part 6 and form by triggering body 61 and trigger head 62, trigger head 62 be rotatably connected on trigger body 61 upper end and can swing, the bottom surface of lock housing 1 is provided with two and extends upward and the spaced retaining wall 11 in left and right, triggers body 61 and constrains between this two retaining wall 11.The front/rear end 621 of trigger head 62 is inclined-plane, and a free end of the second torsion spring 5b is plugged in and triggers in body 61 and make to trigger part 61 and keep moving trend.
Only on the upper side wall of lock housing 1, be equipped with the movable dead bolt 8 of straight skidding up and down, this activity dead bolt 8 is comprised of two oblique spring bolt heads 81 and a lock tongue body 82, two oblique spring bolt heads 81 are rotatably connected on respectively the left and right sides of lock tongue body 82 upper ends, inclined-plane in two oblique spring bolt heads 81 is oppositely arranged inwardly, in lock housing 1, be provided with and act on lock tongue body 82 and make two oblique spring bolt heads 81 on lock tongue body 82 outer the 3rd torsion spring 5c that stretches out lock housing 1 trend that keeps up, the bottom of lock tongue body 82 has concave part 821, the free end of the 3rd torsion spring 5c is resisted against on the upper inwall of this concave part 821 and makes lock tongue body 82 keep moving trend, lock tongue body 82 is provided with block piece 83, block piece 83 is for being rotatably connected on the roller of lock tongue body 82 upper surfaces, the upper side wall of linkage board 3 has the breach 33 that moves down surplus to block piece 83 is provided, under the state moving to left at linkage board 3, block piece 83 is stopped and stops lock tongue body 82 to move down by the upper side wall of linkage board 3, under the state moving to right at linkage board 3, breach 33 is aimed at block piece 83 and lock tongue body 82 can be moved down.
In lock housing 1, be provided with the main shift fork 10 being rotated by key actuated and the ox horn shift fork 9 being rotated by handle drives, the left side wall of dead bolt planker 2 is provided with the opening 22 matching with main shift fork 10, the rotational of main shift fork 10 promotes linkage board 3 and moves to right, also can contact with the lower inwall of opening 22 simultaneously and promote dead bolt planker 2 and move down, the rotational drive linkage board 3 of ox horn shift fork 9 moves to right.On the lower surface at linkage board 3 middle parts, be fixed with the second gear shaft 36 to downward-extension, the rotational of ox horn shift fork 9 makes the left side bar portion 91 of ox horn shift fork 9 promote to coordinate with the second gear shaft 36, in lock housing 1, be provided with the 4th torsion spring 5d, the free end of the 4th torsion spring 5d acts on the right-hand rod portion 92 of ox horn shift fork 9 and the left side bar portion 91 of ox horn shift fork 9 is kept left away from the second gear shaft 36 trend.
Operating principle and the process of this safe-guard door lock are as follows:
As Fig. 3, shown in 4, the process of closing the door: without key, as long as in the process of closing the door, trigger trigger head 62 and obstacle (doorframe) collision in part 6, trigger body 61 and trigger head 62 can together with downwards in indentation lock housing 1, the card column 63 triggering on body 61 departs from draw-in groove 311, the lateral locking of releasing to linkage board 3, linkage board 3 can move to left under the effect of the first torsion spring 5a, moving to left of linkage board 3, by the second lead 72 and the effect of pilot hole 32, drive vane plate 7 to clockwise rotate, coordinating of gathering sill 21 by the first lead 71 and dead bolt planker 2 sidepiece horizontally sets, the clockwise rotating of vane plate 7 drives dead bolt planker 2 and Square lock bolt 4 is outer protrudes upward lock housing 1 and lock, without rotating key, just can reach rapid, safety, the object of conveniently closing the door.Block piece 83, under the upper side wall of linkage board 3 promotes, makes movable dead bolt 8 upwards stretch out lock housing 1 outward and locks simultaneously, and block piece 83 is stopped and stops lock tongue body 82 to move down by the upper side wall of linkage board 3.
As Fig. 1, shown in 2, in the process that turns the key in the lock outdoors: drive main shift fork 10 to rotate with key, main shift fork 10 first promotes the pressure that linkage board overcomes the first torsion spring 5a and moves to right, until draw-in groove 311 is positioned on same axis with card column 63, triggering body 61 moves under the effect of the second torsion spring 5b, until card column 63 snaps in draw-in groove 311, linkage board 3 is positioned to low order end position, by the second lead 72 and the effect of pilot hole 32, drive vane plate 7 to rotate counterclockwise, coordinating of gathering sill 21 by the first lead 71 and dead bolt planker 2 sidepiece horizontally sets, rotating counterclockwise of vane plate 7 drives in dead bolt planker 2 and the outer downward indentation lock housing 1 of Square lock bolt 4, now breach 33 is aimed at block piece 83 and lock tongue body 82 can be moved down, because movable dead bolt 8 itself can rotate, as long as therefore pull door handle just can open the door.
As Fig. 1, shown in 2, in door, with handle, open the door, swing handle, ox horn shift fork 9 clockwise rotates, the left side bar portion 91 of ox horn shift fork 9 promotes to coordinate with the second gear shaft 36, promoting linkage board 3 moves to right, by the second lead 72 and the effect of pilot hole 32, drive vane plate to rotate counterclockwise, coordinating of gathering sill 21 by the first lead 71 and dead bolt planker 2 sidepiece horizontally sets, rotating counterclockwise of vane plate 7 drives in dead bolt planker 2 and the outer downward indentation lock housing 1 of Square lock bolt 4, now breach 33 is aimed at block piece 83 and lock tongue body 82 can be moved down, because movable dead bolt 8 itself can rotate, as long as therefore pull door handle just can open the door, trigger part moves under the second torsion spring 5b effect simultaneously, until card column 63 snaps in draw-in groove 311, linkage board 3 is positioned to low order end position.
Claims (9)
1. a self-locking safe-guard door lock, comprise lock housing (1), on the upper side wall of lock housing (1), be only equipped with the Square lock bolt of straight skidding (4) up and down, it is upper that the lower end of Square lock bolt (4) is fixed on dead bolt planker (2), it is characterized in that: also comprise
Linkage board (3), spacingly in lock housing (1), can only make left and right transverse shifting along lock housing (1), this linkage board (3) is in transmission connection with dead bolt planker (2), so that moving to left of linkage board (3) can drive Square lock bolt (4) to stretch out lock housing (1), moving to right of linkage board (3) can drive Square lock bolt (4) indentation lock housing (1), is provided with to act on linkage board (3) and make linkage board (3) keep first torsion spring (5a) of the trend that moves to left in lock housing (1);
Trigger part (6), be located on the upper side wall of lock housing (1) and straight skidding up and down only, in lock housing (1), be provided with to act on and trigger part (6) and make to trigger and in part (6) maintenances, move the second torsion spring (5b) that stretches out lock housing (1) trend outward, the rear portion of triggering part (6) has the card column (63) raising up, on described linkage board (3), have the duct (31) for card column (63) slippage within it, on the upper side wall in this duct (31), have the draw-in groove (311) snapping in for card column (63), at linkage board (3), move to left and stretch out under the state of lock housing (1) outside making Square lock bolt (4), described triggering part (6) moves under the second torsion spring (5b) effect and makes card column (63) snap in described draw-in groove (311) by linkage board (3) lateral locking,
Described triggering part (6) forms by triggering body (61) and trigger head (62), described trigger head (62) be rotatably connected on trigger body (61) upper end and can swing, the front/rear end (621) of trigger head (62) is inclined-plane, and a free end of described the second torsion spring (5b) is plugged in and triggers in body (61) and make to trigger part (6) and keep moving trend.
2. self-locking safe-guard door lock according to claim 1, it is characterized in that: between described linkage board (3) and dead bolt planker (2), by L-shaped vane plate (7), link together, the middle part of described vane plate (7) is rotatably connected in lock housing (1), the top of vane plate (7) is provided with upwardly extending the first lead (71), the bottom of vane plate (7) is provided with upwardly extending the second lead (72), described the first lead (71) is plugged in the gathering sill (21) that is positioned at dead bolt planker (2) sidepiece horizontally set, described the second lead (72) is plugged in the pilot hole (32) that is positioned at the vertical setting on linkage board (3).
3. self-locking safe-guard door lock according to claim 1, it is characterized in that: the bottom surface of described lock housing (1) is provided with two and extends upward and the spaced retaining wall in left and right (11), and described triggering body (61) constrains between this two retaining wall (11).
4. self-locking safe-guard door lock according to claim 1, it is characterized in that: on the upper side wall of described lock housing (1), be only equipped with the movable dead bolt (8) of straight skidding up and down, this activity dead bolt (8) is comprised of two oblique spring bolt heads (81) and a lock tongue body (82), two oblique spring bolt heads (81) are rotatably connected on respectively the left and right sides of lock tongue body (82) upper end, inclined-plane in two oblique spring bolt heads (81) is oppositely arranged inwardly, in described lock housing (1), be provided with and act on lock tongue body (82) and make two oblique spring bolt heads (81) on lock tongue body (82) outer the 3rd torsion spring (5c) that stretches out lock housing (1) trend that keeps up, described lock tongue body (82) is provided with block piece (83), the upper side wall of described linkage board (3) has the breach (33) that moves down surplus to block piece (83) is provided, under the state moving to left at linkage board (3), described block piece (83) is stopped and stops lock tongue body (82) to move down by the upper side wall of linkage board (3), under the state moving to right at linkage board (3), described breach (33) is aimed at block piece (83) and lock tongue body (82) can be moved down.
5. self-locking safe-guard door lock according to claim 4, it is characterized in that: described block piece (83) is for being rotatably connected on the roller of lock tongue body (82) upper surface, the bottom of described lock tongue body (82) has concave part (821), and the free end of described the 3rd torsion spring (5c) is resisted against on the upper inwall of this concave part (821) and makes lock tongue body (82) keep moving trend.
6. self-locking safe-guard door lock according to claim 2, it is characterized in that: the middle part of described vane plate (7) is rotatably connected on lock housing (1) diapire by rotating shaft (73), on described linkage board (3), have the first horizontal guide groove (34), rotating shaft (73) is upward through this first horizontal guide groove (34).
7. self-locking safe-guard door lock according to claim 1, it is characterized in that: on the lower surface on described linkage board (3) right side, be fixed with the first gear shaft (35) to downward-extension, a free end of described the first torsion spring (5a) is resisted against described the first gear shaft (35) above makes linkage board (3) keep the trend that moves to left, on the diapire of described lock housing (1), have the second horizontal guide groove (12), described the first gear shaft (35) is passed down through the second horizontal guide groove (12).
8. according to the self-locking safe-guard door lock described in arbitrary claim in claim 1～7, it is characterized in that: in described lock housing (1), be provided with the main shift fork (10) being rotated by key actuated, and the ox horn shift fork (9) being rotated by handle drives, the left side wall of described dead bolt planker (2) is provided with the opening (22) matching with main shift fork (10), the rotational of described main shift fork (10) promotes linkage board (3) and moves to right, also can contact with the lower inwall of opening (22) simultaneously and promote dead bolt planker (2) and move down, the rotational of described ox horn shift fork (9) drives linkage board (3) to move to right.
9. self-locking safe-guard door lock according to claim 8, it is characterized in that: on the lower surface at described linkage board (3) middle part, be fixed with the second gear shaft (36) to downward-extension, the rotational of described ox horn shift fork (9) makes the left side bar portion (91) of ox horn shift fork (9) promote to coordinate with the second gear shaft (36), in lock housing (1), be provided with the 4th torsion spring (5d), the free end of the 4th torsion spring (5d) acts on the right-hand rod portion (92) of ox horn shift fork (9) and the left side bar portion (91) of ox horn shift fork (9) is kept left away from the second gear shaft (36) trend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210035922.7A CN102587743B (en) | 2012-02-17 | 2012-02-17 | Automatic-locking anti-theft door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210035922.7A CN102587743B (en) | 2012-02-17 | 2012-02-17 | Automatic-locking anti-theft door lock |
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| Publication Number | Publication Date |
|---|---|
| CN102587743A CN102587743A (en) | 2012-07-18 |
| CN102587743B true CN102587743B (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210035922.7A Active CN102587743B (en) | 2012-02-17 | 2012-02-17 | Automatic-locking anti-theft door lock |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106121391B (en) * | 2016-07-04 | 2019-06-07 | 东莞市猫头鹰智能科技有限公司 | Safe-guard door lock drive mechanism |
| ES2709189B2 (en) * | 2018-12-17 | 2020-04-01 | Rodriguez Joaquin Nunez | Mechanical lock for community doors |
| CN110439368B (en) * | 2019-08-30 | 2024-02-23 | 许方情 | Lock body mechanism and touch type door lock |
| CN112576110B (en) * | 2019-09-27 | 2021-10-29 | 华豫宁股份有限公司 | Door lock capable of automatic locking |
| CN110630115A (en) * | 2019-10-24 | 2019-12-31 | 浙江保德安锁业有限公司 | Automatic locking anti-theft door lock |
| CN112523615A (en) * | 2020-11-18 | 2021-03-19 | 嘉兴美可泰科技有限公司 | Operation method of electromechanical variable-frequency electromagnetic valve lock and electromechanical variable-frequency electromagnetic valve lock |
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| CN102587743A (en) | 2012-07-18 |
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