CN103967333A - Back locking mechanism for door lock - Google Patents
Back locking mechanism for door lock Download PDFInfo
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- CN103967333A CN103967333A CN201310034161.8A CN201310034161A CN103967333A CN 103967333 A CN103967333 A CN 103967333A CN 201310034161 A CN201310034161 A CN 201310034161A CN 103967333 A CN103967333 A CN 103967333A
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Abstract
The invention discloses a back locking mechanism for a door lock, which comprises a rotating power shaft, a locking piece (3) and a stirring piece (1), wherein the rotating power shaft is mounted on a lock case bottom plate in a rotation manner; the locking piece (3) is in linkage connection with the rotating power shaft, and comprises a retracting locking contact point (3a) and an extending locking contact point (3b); the retracting locking contact point (3a) is matched with a locking structure on a lock tongue plate (2) for preventing the lock tongue plate (2) from locking out; the extending locking contact point (3b) is matched with the locking structure on the lock tongue plate (2) for preventing the lock tongue plate (2) from locking in; the stirring piece (1) is arranged on the rotating power shaft and drives the lock tongue plate (2) associatively; in a locking-in back locking state, a relative delay rotating mechanism is arranged between the stirring piece (1) and the locking piece (3); in a locking-out state, a locking piece back locking returning mechanism is arranged between the locking piece (3) and the stirring piece (1); the retracting and extending, and back locking of the lock tongue plate can be realized directly through the handle of the door lock.
Description
Technical field
The present invention relates to a kind of door lock locking mechanism, particularly, relate to and a kind ofly by door lock, hold hand-guided door lock locking mechanism.
Background technology
Door lock is a kind of conventional door protector that prevents forcible entry, generally includes lock housing; Be arranged in described lock housing, be restricted to along locking out direction and locking out terminal location and locking the bolt component reciprocatingly sliding between terminal location, and control the bolt extending control mechanism of locking that described bolt component reciprocatingly slides.Wherein said bolt component has for supporting the bolt plate of dead bolt.Along with improving constantly and the increase of door lock function of requirement of shelter, the structure of door lock inside also becomes increasingly complex.Cause thus in door lock lock housing more and more crowdedly, also make the volume of door lock increasing.
For example Chinese patent literature CN2806674Y discloses a kind of " lock clutch and with the electric control lock of lock clutch ".Wherein in this clutch housing, be provided with elasticity on-of pin, on-of pin can insert and exit handle shifting block; Handle shifting block comprises: indoor handle shifting block and outdoor handle shifting block; Described clutch housing outside is provided with master lock tongue shift fork and opens accordingly, locking is dialled a little; On indoor handle shifting block and outdoor handle shifting block, be respectively equipped with windproof tongue and open the rear point of dialling.With the electric control lock of above-mentioned lock clutch, the lock core being provided with in lock housing, lock core shift fork can drive master lock tongue, and windproof tongue shift fork can be opened rear windproof tongue, and master lock platform rear portion is provided with retaining locating piece; In described lock housing, be provided with lock clutch.Under the situation that outdoor handle shifting block is combined with clutch housing, now, the outer handle of turning cell, outdoor handle will drive described clutch housing to rotate simultaneously, and the unlatching in described clutch housing outside is dialled to name a person for a particular job and driven the push rod shift fork of lockable mechanism to move, and push rod shift fork can drive again push rod to move, push rod can drive retaining locating piece to move, retaining locating piece moves and will make the retaining pin on master lock tongue depart from retaining teeth groove, and now, master lock tongue is just collapsible.This is the process of unblanking of this electric control lock master lock tongue.Figure of description Fig. 3 by the prior art can clearly be seen that, wherein Fig. 3 bottom of the Figure of description of this patent documentation clearly illustrates and is provided with locking mechanism.
Door lock locking mechanism is a door lock internal mechanism arranging in order to improve indoor privacy, is to lock a part that lock out mechanism.Common door lock locking mechanism of the prior art is independent setting as above-mentioned prior art all.Because it occupies separately a space, place and corresponding controlling organization, make the complex structure of this electric control lock, space crowded.
Summary of the invention
Technical problem to be solved by this invention is that the door latch structure of prior art is complicated, the crowded problem in space, thereby provide a kind of, directly by door lock, holds hand-guided door lock locking mechanism.
To achieve these goals, the invention provides a kind of door lock locking mechanism, comprising:
Rotational power axle, is rotatably installed on lock shell plate; Locking piece, be connected on described rotational power axle, have to coordinate with latch-up structure in the bolt plate being arranged in described lock housing to stop retraction locking contact that described bolt plate lock out and coordinates with latch-up structure in described bolt plate and stop stretching out that described bolt plate locks to lock contact; Shifting part, is arranged on the driving that is associated with described bolt plate; Lock the state of locking, between described shifting part and described locking piece, be provided with relative delay rotating mechanism; And locking out under state, between described locking piece and described shifting part, be provided with locking piece and lock return mechanism.
Described latch-up structure comprises along the touching the first dot contacting locked locking contact with described retraction locking and stretch out locking and touch the second dot contacting locked locking contact with described of bolt component moving direction fixed and arranged, the distance between described the first locking contact and described the second locking contact and described retraction locking contact and described in stretch out the distance sum locking between contact and be equal to or less than the distance that described bolt plate is stretched out or retracted.
On one of described shifting part or described rotational power axle, take the deep-slotted chip breaker that described rotational power axle center of rotation is the center of circle; And another of relatively described shifting part or described rotational power axle be fixedly installed, coordinate the key of stirring embedding in described deep-slotted chip breaker; The described radian yardstick of stirring key is less than the radian yardstick of described deep-slotted chip breaker; Described relative delay rotating mechanism is being for to lock the state of locking, described deep-slotted chip breaker described stir key remove the ora terminalis locked in mobile direction with described in stir between key a delay arc length apart.
Described locking piece is locked return mechanism, and to be described deep-slotted chip breaker lock towards described locking piece the return arc length that rotation direction is extended, and described return arc length is suitable for described locking piece and completes to lock out and lock.
Described deep-slotted chip breaker is to be molded on the inner surface in the hole that described shifting part coordinates with described rotational power axle along circumferential arrangement and axially extended keyway; The described key of stirring is molded on described rotational power axle and described keyway cooperation place.
On described locking piece or described rotational power axle, be connected with reduction torsion spring.
On the inner surface in the hole that described locking piece coordinates with described rotational power axle, be provided with elasticity collision bead, on the outer surface that described rotational power axle coordinates with described locking piece, there is the draw-in groove that can coordinate with described elasticity collision bead, in described lock housing, be provided with the backstop spacing to described locking piece.
Described rotational power axle is axle sleeve system, comprise the outdoor handle axle sleeve and the indoor handle axle sleeve that can clutch connect, on described indoor handle axle sleeve, be connected with in linkage described locking piece, described shifting part is arranged on described indoor handle axle sleeve by described relative delay rotating mechanism.
Described outdoor handle axle sleeve be arranged in described indoor handle axle sleeve and with described indoor handle axle sleeve coaxial cooperation; Between described outdoor handle axle sleeve and described indoor handle axle sleeve, be provided with the arrangement of clutch rotating for controlling described indoor handle axle sleeve and described outdoor handle axle sleeve unitary rotation or split.
On described outdoor handle axle sleeve, have installation portion, described arrangement of clutch is arranged in described installation portion, and described arrangement of clutch has elasticity on-of pin, and described elasticity on-of pin inserts or exits handle axle sleeve or described arrangement of clutch is motor clutch device.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) door lock locking mechanism of the present invention, on its lock shell plate, be rotatablely equipped with rotational power axle, locking piece is connected on rotational power axle, and have with the retraction locking contact of the latch-up structure locking of bolt plate and stretch out locking contact, on rotational power axle, be provided with shifting part, between shifting part and locking piece, be provided with relative delay rotating mechanism, the shifting part driving that is associated with bolt plate, therefore, by said mechanism, can be directly with the handle of door lock, control the flexible and locking of bolt plate, realize locking that bolt plate stretches out or retract.
(2) door lock locking mechanism of the present invention, its rotational power axle is axle sleeve system, comprising can clutch connection and indoor handle axle sleeve and the outdoor handle axle sleeve of coaxial cooperation, on indoor handle axle sleeve, be provided with locking piece and shifting part, on outdoor handle axle sleeve, be provided with the arrangement of clutch that handle axle sleeve and indoor handle axle sleeve unitary rotation outside control room or split are rotated, therefore, can under the direct drive of indoor handle, can realize the flexible and locking of bolt plate, functional reliability is high.
(3) door lock locking mechanism of the present invention, in the structure that its locking piece coordinates by elasticity collision bead and draw-in groove with rotational power axle, in lock housing, be provided with the backstop spacing to locking piece, backstop limits locking piece, thereby make to be separated after locking piece and rotational power axle, therefore, locking piece and rotational power axle are by the fit structure of spline and draw-in groove relatively, arrange after backstop, this elasticity collision bead structure more can be saved the arrangement space in lock.
Accompanying drawing explanation
For content of the present invention is more easily expressly understood, below in conjunction with accompanying drawing, the present invention is further detailed explanation, wherein,
Fig. 1 represents the structural representation that the locking piece of door lock locking mechanism of the present invention matches with bolt plate;
Fig. 2 represents the exploded perspective structural representation of a kind of embodiment of door lock locking mechanism of the present invention;
The course of work schematic diagram of the door lock locking mechanism of Fig. 3-9 presentation graphs 2;
Figure 10 represents the exploded perspective structural representation of the another kind of embodiment of door lock locking mechanism of the present invention;
Figure 11 represents the operating principle schematic diagram of the door lock locking mechanism of Figure 10.
Description of reference numerals
1-shifting part, 1a-keyway, 1b-stirs key, and arc space is stirred in 1c-time delay, 1d-keyway ora terminalis, 1e-return arc space, 2-bolt plate, 2a-the first locking contact, 2b-the second locking contact, 3-locking piece, 3a-retracts and locks contact, and 3b-stretches out locking contact, 31-spline, 32-draw-in groove, 33-elasticity collision bead, the outdoor handle axle sleeve of 4-, the indoor handle axle sleeve of 5-, 6-jut, 7-backstop.
The specific embodiment
As illustrated in fig. 1 and 2, the door lock locking mechanism of an embodiment of the present invention comprises rotational power axle, locking piece 3 and shifting part 1, wherein,
Described rotational power axle is rotatably installed on lock shell plate, is provided with bolt plate 2 in described lock housing, in this bolt plate 2, is provided with dead bolt (not shown);
Described locking piece 3 is connected on described rotational power axle described bolt plate 2 to be locked to locking or release, and it has to coordinate with latch-up structure in the described bolt plate 2 being arranged in described lock housing and stops retraction locking contact 3a that described bolt plate 2 lock out and coordinates stretching out that the described bolt plate 2 of prevention locks to lock contact 3b with latch-up structure in described bolt plate 2;
Described shifting part 1 is arranged on described rotational power axle, and the driving that is associated with described bolt plate 2, with when described rotational power axle rotates, can drive explicitly described bolt plate 2 to stretch out and retraction; Lock the state of locking, between described shifting part 1 and described locking piece 3, be provided with relative delay rotating mechanism; And locking out under state, between described locking piece 3 and described shifting part 1, be provided with locking piece and lock return mechanism.
Described latch-up structure in described bolt plate 2 comprises the first locking contact 2a locking along contacting with described retraction locking contact 3a of bolt component moving direction fixed and arranged and contacts with the described locking contact 3b that stretches out the second locking contact 2b locking, wherein, described the first locking contact 2a is along locking out the forward setting of direction, and described the second locking contact 2b is by rear setting; In order to guarantee that described bolt plate 2 can stretch out in time or retract, the distance between described the first locking contact 2a and described the second locking contact 2b and described retraction locking contact 3a and described in stretch out the distance sum locking between the 3b of contact and be equal to or less than the distance that described bolt plate 2 is stretched out or retracted.
Described bolt plate 2 is subject to making it from locking position to the effect that lock out spring (not shown) that lock out position and move;
Described locking piece 3 has the latched position of locking and locks unlocked position, wherein, locking latched position, described the first locking contact 2a contacts locking with described retraction locking contact 3a, realize locking of 3 pairs of described bolt plate 2 of described locking piece and lock locking, or described the second locking contact 2b with described in stretch out and lock contact 3b and contact locking, realize locking out of 3 pairs of described bolt plate 2 of described locking piece and lock locking; Locking unlocked position, 3 pairs of described bolt plate 2 releases of described locking piece, described bolt plate 2 can unobstructedly be stretched.
On one of described shifting part 1 of the present invention or described rotational power axle, have and take the deep-slotted chip breaker that the center of rotation of described rotational power axle is the center of circle; And another of relatively described shifting part 1 or described rotational power axle be fixedly installed, coordinate the key of stirring embedding in described deep-slotted chip breaker; The described radian yardstick of stirring key 1b is less than the radian yardstick of described deep-slotted chip breaker; Described relative delay rotating mechanism is being for to lock the state of locking, described deep-slotted chip breaker described stir key remove the ora terminalis locked in mobile direction with described in stir between key a delay arc length apart.
Described locking piece is locked return mechanism, and to be described deep-slotted chip breaker lock towards described locking piece 3 the return arc length that rotation direction is extended, and described return arc length is suitable for described locking piece 3 and completes to lock out and lock.
Described deep-slotted chip breaker is the keyway 1a being molded on the inner surface in the hole that described shifting part 1 coordinates with described rotational power axle; The described key 1b that stirs is molded on described rotational power axle and described keyway 1a cooperation place.
After described shifting part 1 is arranged on described rotational power axle by this relative delay rotating mechanism, should meet action relationships as described below between the two: when described rotational power axle starts to rotate, described shifting part 1 does not rotate, after described rotational power axle turns an angle, just can drive described shifting part 1 to rotate.Therefore; in order to meet the requirement of this rotation relation; described relative delay rotating mechanism can be a kind of structure of the following stated; but it should be noted that; described relative delay rotating mechanism is not limited to the concrete structure of the following stated, and other deformable structures or the replacing structure that can meet above-mentioned rotation relation requirement still fall in protection domain of the present invention.
As shown in Figures 2 and 3, in this embodiment, described relative delay rotating mechanism comprise keyway 1a and can in this keyway 1a, be rotatably assorted stir key 1b, wherein, on the inner circumferential surface in the hole coordinating with described rotational power axle of described shifting part 1, along its circumferential arrangement and extend axially the described keyway 1a of certain distance, this keyway 1a has keyway ora terminalis 1d as shown in Figure 3, described keyway 1a can be one, also can for two above and be distributed on the inner circumferential surface in described hole; Correspondingly, on the outer circumference surface coordinating with described shifting part 1 at described rotational power axle, be provided with quantity identical with described keyway 1a described in stir key 1b, the described radian of stirring key 1b is less than the radian of described keyway 1a, when described when stirring key 1b and being engaged in described keyway 1a, described in stir key 1b and described keyway 1a is divided into time delay stirs arc space 1c and return arc space 1e.
In the present embodiment, after described locking piece 3 is connected on described rotational power axle, rotation relation between the two can be realized by structure as shown in Figure 2, wherein, on the inner circumferential surface in the hole that described locking piece 3 coordinates with described rotational power axle along circumferential arrangement and extend axially and form spline 31, accordingly, on the external peripheral surface that described rotational power axle coordinates with described locking piece 3, there is the draw-in groove 32 that can coordinate with described spline 31, like this, after described spline 31 is engaged in described draw-in groove 32, described rotational power axle rotates and can drive described locking piece 3 to rotate simultaneously.Described spline 31 can be one, also can for two above and be distributed on the inner circumferential surface in described hole, the quantity of described draw-in groove 32 is identical with the quantity of described spline 31.In addition, described lock housing is formed with the jut 6 spacing to described locking piece 3 at the position of locking latched position near described locking piece 3, when locking piece 3 does not rotate, 6 pairs of locking pieces 3 of this jut suitably stop spacing, when described locking piece 3 rotates with described rotational power axle simultaneously, locking piece 3 can overcome jut 6 its barrier effect power is rotated further.
In the structure coordinating with draw-in groove 32 by spline 31 with described rotational power axle at locking piece 3, on locking piece 3 or described rotational power axle, can be connected with the torsion spring that makes its reset.
As shown in Figure 2, in the present embodiment, described rotational power axle is axle sleeve system, comprise the outdoor handle axle sleeve 4 and the indoor handle axle sleeve 5 that can clutch connect, on described indoor handle axle sleeve 5, be connected with in linkage described locking piece 3, described shifting part 1 is arranged on described indoor handle axle sleeve 4 by described relative delay rotating mechanism.
Described outdoor handle axle sleeve 4 be arranged in described indoor handle axle sleeve 5 and with described indoor handle axle sleeve 5 coaxial cooperation, one end mask of described indoor handle axle sleeve 5 has a groove, described outdoor handle axle sleeve 4 coordinates and is arranged in described groove.Described outdoor handle axle sleeve 4 is arranged in described indoor handle axle sleeve 5 can have various ways, at this, differs one for example.For make described indoor handle axle sleeve 5 and described outdoor handle axle sleeve 4 can unitary rotation or split rotate, between described outdoor handle axle sleeve 4 and described indoor handle axle sleeve 5, be provided with for controlling the arrangement of clutch (Fig. 2 does not show) of described indoor handle axle sleeve 5 and described outdoor handle axle sleeve 4 unitary rotation or split rotation.
Further, on described outdoor handle axle sleeve 4, there is installation portion, described arrangement of clutch is arranged in described installation portion, the clutch that described arrangement of clutch can adopt existing electric control lock to use, at this, do not limit, for example, in described arrangement of clutch, can there is elasticity on-of pin, described elasticity on-of pin can insert or exit handle cover under the driving of electric operator, insert or exit described indoor handle axle sleeve 5 and/or described outdoor handle axle sleeve 4, or described arrangement of clutch can adopt motor clutch device.
Handle (handle) in can installation room on described indoor handle axle sleeve 5, can the outer handle (handle) of installation room on described outdoor handle axle sleeve 4.
On described indoor handle axle sleeve 5, be connected with described shifting part 1, described shifting part 1 can with being connected of the lock core interlock of door lock.
According to structure described above, below according to Fig. 3-9, the course of work of the door lock locking mechanism of the present embodiment is described:
As shown in Figure 3, described bolt plate 2 is locked lock-out state in locking out, and stretches out locking contact 3b described in described locking piece 3 and locks contact 2b with described second of described bolt plate 2 and contact locking, and now, described locking piece 3 is in locking latched position.Now, described indoor handle axle sleeve 5 stirs in the described keyway 1a that key 1b is engaged in described shifting part 1 and described keyway 1a is divided into time delay and stir arc space 1c and return arc space 1e.
If unblank from outdoor, described outdoor handle axle sleeve 4 will be under the effect of described arrangement of clutch rotates together with described indoor handle axle sleeve 5, or if unblank from indoor, can directly rotate described indoor handle axle sleeve 5.Because the described spline 31 on described locking piece 3 is engaged in the described draw-in groove 32 on described indoor handle axle sleeve 5, described indoor handle axle sleeve 5 will drive described locking piece 3 to overcome the barrier force of 6 pairs of locking pieces 3 of jut while rotating simultaneously and rotates, described in making, stretch out locking contact 3b and described second and lock contact 2b the locking of 3 pairs of bolt plate 2 of part that depart to unlock, simultaneously, due to the existence that arc space 1c is stirred in time delay, described shifting part 1 does not now rotate;
Subsequently, as shown in Figure 4, described indoor handle axle sleeve 5 is rotated further, when described, stir after the described keyway ora terminalis 1d that key 1b contacts described keyway 1a, described indoor handle axle sleeve 5 further rotates to be stirred 1 described in driving and rotates together, and described shifting part 1 can drive described bolt plate 2 propylaeum lock case of lock inner mobile, thereby realize, unblank, as shown in Figure 5, now, described locking piece 3 is in locking unlocked position;
As illustrated in Figures 5 and 6, after completing and unblanking, by indoor handle axle sleeve 5 described in handle counter-rotation or described indoor handle axle sleeve 5 or locking piece 3 counter-rotation under the effect of the back-moving spring of himself, existence due to return arc space 1e, the described key 1b that stirs does not contact counter-rotation in the described return arc space 1e of described keyway 1a with described keyway ora terminalis 1d, now, described shifting part 1 does not rotate, described indoor handle axle sleeve 5 is got back to the described locking piece 3 of drive to lock latched position, make described the first locking contact 2a contact locking with described retraction locking contact 3a, realize locking of described bolt plate 2 and lock locking.
As shown in Figure 7, after door lock is not locked or is rotated described indoor handle axle sleeve 5 and drives 3 pairs of described bolt plate 2 of described locking piece to remove to lock, owing to being subject to locking out triggering, described bolt plate 2 is outside mobile towards lock housing by locking out at self under the effect of spring, described shifting part 1 is by counter-rotation under the effect at described bolt plate 2 self biasing force, because the described key 1b that stirs contacts described keyway ora terminalis 1d, described shifting part 1 will drive described indoor handle axle sleeve 5 and described locking piece 3 counter-rotation, until described bolt plate 2 is when stretching out state, described locking piece 3 will be locked near latched position but not lock in described, specifically as shown in Figure 8,
As shown in Figure 9, if in the time of need to locking, continue described in counter-rotation indoor handle axle sleeve and drive described locking piece 3 to get back to lock latched position, thereby complete locking out of described bolt plate 2, lock locking.
Therefore, locking of door lock of the present invention can be controlled realization by the handle of door lock, makes door lock internal construction simple.
When adopting key band movable lock core to rotate, described shifting part 1 rotates and drives described indoor handle axle sleeve 2 to rotate, to drive described locking piece 3 to rotate, now, described bolt plate 2 does not move, described bolt plate 2 by described locking piece 3 releases after, be rotated further key band movable lock core and rotate, described shifting part 1 moves the described bolt plate 2 of drive, thereby realizes the object from outdoor use key unlocking.
The structure of the door lock locking mechanism of another embodiment of the present invention is substantially identical with the door lock locking mechanism in above-described embodiment, and concrete distinctive points is as follows:
The rotation relation that coordinates of described locking piece 3 and described indoor handle axle sleeve;
In door lock lock housing, be provided with described locking piece 3 is carried out to spacing backstop;
Only on described rotational power axle, be connected with reduction torsion spring.
In this embodiment, described locking piece 3 is connected on described rotational power axle by structure as shown in figure 10, as shown in the figure, on the inner circumferential surface in the hole that described locking piece 3 coordinates with described rotational power axle, edge is circumferentially provided with elasticity collision bead 33, accordingly, on the external peripheral surface that described rotational power axle coordinates with described locking piece 3, there is the described draw-in groove 32 that can coordinate with described elasticity collision bead 33.Described elasticity collision bead 33 can be one, also can for two above and be distributed on the inner circumferential surface in described hole, the quantity of described draw-in groove 32 is identical with the quantity of described elasticity collision bead 33.
As shown in figure 11, the appropriate position of described door lock lock housing is provided with the backstop for described locking piece 3 is stopped.
In addition, described rotational power axle, can be connected with the torsion spring that makes its reset on described indoor handle axle sleeve 5, certainly, also can not be connected with described torsion spring.
In this embodiment, the course of work of the operating principle of door lock locking mechanism and the above embodiments door lock locking mechanism is substantially identical, difference is matching relationship between described indoor handle axle sleeve 5 and described locking piece 3 and the effect of described backstop, and detailed process is as described below:
As shown in figure 11, described bolt plate 2 is locked lock-out state in locking out, described locking piece 3 is in locking latched position, now, described elasticity collision bead 33 on described locking piece 3 is stuck in the described draw-in groove 32 on described indoor handle axle sleeve 5, rotate described indoor handle axle sleeve 5 and will drive described locking piece 3 to rotate simultaneously, 3 pairs of described bolt plate 2 of described locking piece are removed and locked.Meanwhile, due to the existence that arc space 1c is stirred in time delay, described shifting part 1 does not now rotate;
Subsequently, described indoor handle axle sleeve 5 is rotated further, described on described indoor handle axle sleeve 5, stir after the described keyway ora terminalis 1d of described keyway 1a that key 1b contacts described shifting part 1, described indoor handle axle sleeve 5 rotates together by stirring 1 described in drive, described shifting part 1 can drive described bolt plate 2 propylaeum lock case of lock inner mobile, meanwhile, owing to being arranged on the described backstop 7 of lock housing appropriate position, will stop described locking piece 3, described elasticity collision bead 33 is under the thrust at described draw-in groove 32 edges, by overcoming elastic force, be retracted in the collision bead hole of described locking piece 3, described indoor handle axle sleeve 5 is removed interlock with described locking piece 3, described indoor handle axle sleeve 5 is rotated further unblanks completing,
Subsequently, described in counter-rotation, indoor handle axle sleeve 5 or described indoor handle axle sleeve 5 are under the drive of self reduction torsion spring, described indoor handle axle sleeve 5 is by counter-rotation, simultaneously, existence due to return arc space 1e, described shifting part 1 is failure to actuate, when described draw-in groove 32 is with described elasticity collision bead during in opposite position, described elasticity collision bead 33 will again be stuck in described draw-in groove 32 described indoor handle axle sleeve 5 is linked again with described locking piece 3, described in being returned to the described locking piece 3 of drive, the described indoor handle axle sleeve 5 of further rotation locks latched position, realization is locked locking after unblanking.
After door lock is not locked or is rotated described indoor handle axle sleeve 5 and drives 3 pairs of described bolt plate 2 of described locking piece to remove to lock, described indoor handle axle sleeve 5 is separated with described locking piece 3, owing to being subject to locking out triggering, described bolt plate 2 moves towards locking out position locking out at self under the effect of spring, described shifting part 1 is by counter-rotation under the effect at described bolt plate 2 self biasing force, because the described key 1b that stirs contacts described keyway ora terminalis 1d, described shifting part 1 will drive described indoor handle axle sleeve 5 counter-rotation, until described bolt plate 2 is in stretching out state, meanwhile, described elasticity collision bead 33 will be stuck in described draw-in groove 32 again, make described indoor handle axle sleeve 5 and described locking piece 3 interlocks.Now, described locking piece 3 will be locked near latched position but not lock in described, if in the time of need to locking, continue described in counter-rotation indoor handle axle sleeve 5 and described locking piece 3 is got back to lock latched position, thereby complete locking out of described bolt plate 2, lock locking.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to embodiment.Concerning those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And the apparent variation of being extended out thus or change are still among the protection domain in the invention.
Claims (10)
1. a door lock locking mechanism, is characterized in that, comprising:
Rotational power axle, is rotatably installed on lock shell plate;
Locking piece (3), be connected on described rotational power axle, have to coordinate with latch-up structure in the bolt plate (2) being arranged in described lock housing to stop retraction locking contact (3a) that described bolt plate (2) lock out and coordinates with latch-up structure in described bolt plate (2) and stop stretching out that described bolt plate (2) locks to lock contact (3b);
Shifting part (1), is arranged on described rotational power axle, and the driving that is associated with bolt plate (2); Lock the state of locking, between described shifting part (1) and described locking piece (3), be provided with relative delay rotating mechanism; And locking out under state, between described locking piece (3) and described shifting part (1), be provided with locking piece and lock return mechanism.
2. door lock locking mechanism according to claim 1, it is characterized in that, described latch-up structure comprises the first locking contact (2a) locking along contacting with described retraction locking contact (3a) of bolt component moving direction fixed and arranged and contacts with the described locking contact (3b) of stretching out the second locking contact (2b) locking, distance between described the first locking contact (2a) and described the second locking contact (2b) and described retraction lock contact (3a) and described in stretch out the distance sum locking between contact (3b) and be equal to or less than the distance that described bolt plate (2) is stretched out or retracted.
3. door lock locking mechanism according to claim 1 and 2, is characterized in that, has to take the deep-slotted chip breaker that the center of rotation of described rotational power axle is the center of circle on one of described shifting part (1) or described rotational power axle; And another of relatively described shifting part (1) or described rotational power axle be fixedly installed, coordinate the key of stirring embedding in described deep-slotted chip breaker; The described radian yardstick of stirring key (1b) is less than the radian yardstick of described deep-slotted chip breaker; Described relative delay rotating mechanism is being for to lock the state of locking, described deep-slotted chip breaker described stir key remove the ora terminalis locked in mobile direction with described in stir between key a delay arc length apart.
4. door lock locking mechanism according to claim 3, it is characterized in that, described locking piece is locked return mechanism, and to be described deep-slotted chip breaker lock towards described locking piece (3) the return arc length that rotation direction is extended, and described return arc length is suitable for described locking piece (3) and completes to lock out and lock.
5. according to the door lock locking mechanism described in claim 3 or 4, it is characterized in that, described deep-slotted chip breaker is for being molded over the keyway (1a) on the inner surface in the hole that described shifting part (1) coordinates with described rotational power axle; The described key (1b) of stirring is molded on described rotational power axle and described keyway (1a) cooperation place.
6. according to the door lock locking mechanism described in claim 1-5 any one, it is characterized in that, on described locking piece (3) or described rotational power axle, be connected with reduction torsion spring.
7. according to the door lock locking mechanism described in claim 1-6 any one, it is characterized in that, on the inner surface in the hole that described locking piece (3) coordinates with described rotational power axle, be provided with elasticity collision bead (33), on the outer surface that described rotational power axle coordinates with described locking piece (3), there is the draw-in groove (32) that can coordinate with described elasticity collision bead (33); In described lock housing, be provided with the backstop (7) spacing to described locking piece (3).
8. according to the door lock locking mechanism described in claim 1-7 any one, it is characterized in that, described rotational power axle is axle sleeve system, comprise the outdoor handle axle sleeve (4) and the indoor handle axle sleeve (5) that can clutch connect, on described indoor handle axle sleeve (4), be connected with in linkage described locking piece (3), described shifting part (1) is arranged on described indoor handle axle sleeve (4) by described relative delay rotating mechanism.
9. door lock locking mechanism according to claim 8, is characterized in that, described outdoor handle axle sleeve (4) be arranged in described indoor handle axle sleeve (5) and with described indoor handle axle sleeve (5) coaxial cooperation; Between described outdoor handle axle sleeve (4) and described indoor handle axle sleeve (5), be provided with the arrangement of clutch rotating for controlling described indoor handle axle sleeve (5) and described outdoor handle axle sleeve (4) unitary rotation or split.
10. door lock locking mechanism according to claim 9, it is characterized in that, on described outdoor handle axle sleeve (4), there is installation portion, described arrangement of clutch is arranged in described installation portion, described arrangement of clutch has elasticity on-of pin, and described elasticity on-of pin inserts or exits handle axle sleeve or described arrangement of clutch is motor clutch device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310034161.8A CN103967333B (en) | 2013-01-28 | 2013-01-28 | Back locking mechanism for door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310034161.8A CN103967333B (en) | 2013-01-28 | 2013-01-28 | Back locking mechanism for door lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103967333A true CN103967333A (en) | 2014-08-06 |
| CN103967333B CN103967333B (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310034161.8A Active CN103967333B (en) | 2013-01-28 | 2013-01-28 | Back locking mechanism for door lock |
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| CN (1) | CN103967333B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250545A (en) * | 2021-05-24 | 2021-08-13 | 南京东屋电气有限公司 | Rotary trigger mechanism, handle and locking device capable of being opened internally and externally |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004143739A (en) * | 2002-10-23 | 2004-05-20 | Takigen Mfg Co Ltd | Electric lock |
| US20040148982A1 (en) * | 2003-01-20 | 2004-08-05 | Tung Lung Metal Industry Co., Ltd. | Latching device for a lock |
| CN201635529U (en) * | 2009-12-24 | 2010-11-17 | 应赤 | Door-within-door lock with latch bolt |
| CN201933887U (en) * | 2010-12-21 | 2011-08-17 | 应赤 | Self-impacting lock with long service life |
| CN203145577U (en) * | 2013-01-28 | 2013-08-21 | 能诚集团有限公司 | Counter locking mechanism for door lock |
-
2013
- 2013-01-28 CN CN201310034161.8A patent/CN103967333B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004143739A (en) * | 2002-10-23 | 2004-05-20 | Takigen Mfg Co Ltd | Electric lock |
| US20040148982A1 (en) * | 2003-01-20 | 2004-08-05 | Tung Lung Metal Industry Co., Ltd. | Latching device for a lock |
| CN201635529U (en) * | 2009-12-24 | 2010-11-17 | 应赤 | Door-within-door lock with latch bolt |
| CN201933887U (en) * | 2010-12-21 | 2011-08-17 | 应赤 | Self-impacting lock with long service life |
| CN203145577U (en) * | 2013-01-28 | 2013-08-21 | 能诚集团有限公司 | Counter locking mechanism for door lock |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250545A (en) * | 2021-05-24 | 2021-08-13 | 南京东屋电气有限公司 | Rotary trigger mechanism, handle and locking device capable of being opened internally and externally |
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| Publication number | Publication date |
|---|---|
| CN103967333B (en) | 2017-05-17 |
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Effective date of registration: 20151209 Address after: 9 No. 321300 Zhejiang province Yongkang City Hardware Technology Industrial Park, Park Avenue South Applicant after: WANLI SECURITY PRODUCT CO.,LTD. Address before: 321300, No. 888, Jin Du Road, Yongkang Economic Development Zone, Jinhua, Zhejiang Applicant before: NENGCHENG GROUP Co.,Ltd. |
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Address after: 9 No. 321300 Zhejiang province Yongkang City Hardware Technology Industrial Park, Park Avenue South Applicant after: WONLY SECURITY AND PROTECTION TECHNOLOGY Co.,Ltd. Address before: 9 No. 321300 Zhejiang province Yongkang City Hardware Technology Industrial Park, Park Avenue South Applicant before: WANLI SECURITY PRODUCT CO.,LTD. |
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Denomination of invention: Anti-lock mechanism of door lock Effective date of registration: 20230109 Granted publication date: 20170517 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Jinhua Yongkang sub branch Pledgor: WONLY SECURITY AND PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2023330000069 |