CN103774932B

CN103774932B - A kind of interior door lock

Info

Publication number: CN103774932B
Application number: CN201310755440.3A
Authority: CN
Inventors: 章瑶台; 支崇铮
Original assignee: WANGLI SECURITY PRODUCT Co Ltd
Current assignee: Wang Lian Polytron Technologies Inc
Priority date: 2013-12-31
Filing date: 2013-12-31
Publication date: 2017-04-05
Anticipated expiration: 2033-12-31
Also published as: CN103774932A

Abstract

The present invention relates to a kind of interior door lock, including lock housing, dead bolt component, drive mechanism, locking mechanism, operating mechanism, including tapered end opening/closing component and handle opening/closing component；Tapered end in the tapered end opening/closing component can be inserted into key operated twin-lock header structure for indoor and outdoor, the twin-lock header structure has a lock core shifting part, the locking device that lock out only stirs unblock by the lock core shifting part, the lock core shifting part towards unlocking direction rotate when, locking of the locking device to the dead bolt is lock out described in first releasing, the lock core shifting part is rotated further, and the bolt plate is towed back in the lock housing.The interior door lock of the present invention is simple and compact for structure, good anti-theft effect, unlocks more convenient, and noise is less.

Description

A kind of interior door lock

Technical field

The present invention relates to door lock field, specifically a kind of indoors it is necessary that could will lock what insurance was opened with key Interior door lock.

Background technology

Door lock must have security, stability as safety precaution product.Security can be weighed in terms of two：One is The intentional violence damage such as destruction, mischief and premeditated sled, brills of opposing, two is precautionary technology unlatching.And used as door lock, which is stable Property is equally important.Door is not opened when opening the door, and this does not close door at closing time and loss or inconvenience may be brought to user.

Chinese patent literature CN101915029B discloses a kind of bolt extending control mechanism and the linked door with the mechanism Lock, including:One lock housing, the spring bolt mechanism being arranged in the lock housing, including tapered end opening/closing component and handle are opened Close the operating mechanism of component；And bolt extending control mechanism.The bolt extending control mechanism includes dead bolt retraction drive mechanism and dead bolt Stretch out trigger mechanism；The actuator lever triggering being connected on the spring bolt mechanism that wherein described dead bolt is stretched out in trigger mechanism is arranged Stopping element in the lock housing, is made lockplate be departed from by friction is smooth with stopping element, and is combined by avoidance is smooth； Acting on the biasing force in actuator lever makes actuator lever depart from stopping element after activating, and avoids later action from colliding.In lock At least two main dead bolts are set on tongue installing plate, secondary dead bolt is installed in a main dead bolt, the secondary dead bolt is in the dead bolt Mechanism is combined with adjacent main dead bolt after stretching out, and forms connection ring.

The problem of security is there is in the door lock of above-mentioned patent document, in the door lock of the patent document, to bolt lock The latch-up structure for going out, can be by unlocking so as to reality to the latch-up structure in outdoor application key or indoors using handle The now unlatching to dead bolt, therefore, it is very easy to occur after thief crawls into interior from outside window, opening the door thing from interior by handle Easily steal out.

The content of the invention

Use the handle i.e. can be with indoors for this purpose, the technical problem to be solved is door lock of the prior art Door lock is opened and is unfavorable for antitheft problem, and then provided indoors it is necessary that could will lock what insurance was opened with key Interior door lock.

To solve above-mentioned technical problem, the present invention provides a kind of interior door lock, including lock housing, and is arranged on the lock housing Interior,

Dead bolt component, including the dead bolt that can be lock out along the vertical direction of the panel of the lock housing or retract, and installs institute State the bolt plate of dead bolt；

Drive mechanism, including drive what the dead bolt component lock out to lock out drive mechanism, and drive the dead bolt component The retraction drive mechanism of retraction；

Locking mechanism, enters line-locked retraction locking device and to locking out state including the bolt plate to retracted mode The bolt plate enter line-locked to lock out locking device；

Operating mechanism, including tapered end opening/closing component and handle opening/closing component；

Tapered end in the tapered end opening/closing component can be inserted into key operated twin-lock header structure for indoor and outdoor, described double Lock head structure has a lock core shifting part, and the locking device that lock out only stirs unblock, the lock core by the lock core shifting part Shifting part towards unlocking direction rotate when, first release described in lock out locking of the locking device to the dead bolt, the lock core shifting part It is rotated further, the bolt plate is towed back in the lock housing.

The locking device that lock out includes：

Safety axis, are installed in the bolt plate；

Lock core safety plate, can rotationally be set on the safety axis around the safety axis, and on the lock core safety plate Form joint portion；

Safety lock portion, fixes with respect to the lock housing, after being combined with the joint portion, prevents the bolt plate retraction institute State in lock housing；

Lock core safety plate biasing member, is arranged between the bolt plate and the lock core safety plate, its partial pressure On the lock core safety plate, make the lock core safety plate towards safety lock portion direction rotate, and make the joint portion with The safety lock portion combines.

The lock core safety plate is shaped to " L " type, and the safety axis are arranged at the flex point of described " L " type, the combination Portion is molded over the long side end of described " L " type, and the minor face of " L " is adapted to the lock core shifting part and stirs.

The lock core safety plate biasing member is a double jump torsion spring, and the double jump torsion spring is shaped to ring for two torsion spring pin Torsion spring, a ring footmuff of the double jump torsion spring is located on the double jump torsion axis in bolt plate, the double jump torsion spring it is another One ring pin is connected with the joint portion of the lock core safety plate.

The retraction locking device includes：

Draw-in groove, the draw-in groove are molded in the bolt plate；

Latch release shaft, is installed on the base plate or cover plate of the lock housing；

Unblock control unit, can rotationally be set in the latch release shaft around the latch release shaft, and the unblock control unit Part also forms dop towards the side of the draw-in groove；

Unblock biasing member, is arranged on the lock housing and is unlocked on control unit with described, and its biasing force makes the solution lock control Part processed turns to the dop around the latch release shaft and snaps in the draw-in groove.

Also include lock core solution locking plate, the lock core solution locking plate is rotatably arranged in the lock housing by first axle, institute Lock core solution locking plate is stated in the lock core shifting part towards under the stirring of unlocking direction, the unblock unblock control unit is propped up towards described Unlocking direction rotates unblock.

The joint portion be along perpendicular to the lock housing base plate or cover plate direction extend the first projection, the safety lock Determine portion be installed in the lock housing base plate or cover plate relevant position on the second projection, the dead bolt is lock out or retracted orientation The dead bolt guide frame of guiding includes the first guiding bar-shaped trough being molded in the bolt plate, and is arranged in the lock housing The first lead column, described first is oriented to the side away from the lock core that bar-shaped trough is located at the lock core safety plate, and described First lead column in first guiding bar-shaped trough props up the lock core safety plate and crosses rotation.

The unblock biasing member is the torsion spring being set in the latch release shaft, a torsion spring pin of the torsion spring with it is described Unblock control unit connection, another torsion spring pin is set in ring in first lead column, on the lock core solution locking plate into Type has the first arc groove with the first axle as the center of circle, and first lead column is arranged on described through first arc groove In lock housing.

Also include the contact apparatus of the triggering retraction locking device unblock, the contact apparatus include：

Triggering frame, can stretch out along dead bolt or retracted orientation is arranged in lock housing with moving；

Trigger architecture, is arranged on one end of the panel of the close described lock housing of the triggering frame, by door leaf switch motion shadow Ring and drive the triggering frame to move towards the dead bolt retracted orientation；

Structure of contact terminal, is arranged on the other end of the triggering frame, is transporting towards the dead bolt retracted orientation with the triggering frame Triggering unblock control unit when dynamic；

First reset bias piece, makes the triggering frame stretch out direction reset towards the dead bolt.

The structure of contact terminal has triggering effective status and triggering failure state two states on the triggering frame, is in The triggering effective length of the structure of contact terminal in the triggering failure state has relative to the triggering of the triggering effective status After effect contraction in length is to the fully retracted panel of the trigger architecture, the structure of contact terminal just or can not encounter the solution Lock control part；

Also include the second reset bias piece, effect of the second reset bias piece to the structure of contact terminal is more than the solution Lock control part is to, during the reaction of the structure of contact terminal, the structure of contact terminal is rotated or is moved to by the triggering failure state The triggering effective status；The second reset bias piece is to the effect of the structure of contact terminal less than the unblock control unit pair During the reaction of the structure of contact terminal, the structure of contact terminal is rotated by the triggering effective status or is moved to the triggering failure State.

The structure of contact terminal is changed in the triggered as normal state and the triggering failure state by rotationally mode, The triggering frame is provided with the second axle of cover plate or base plate perpendicular to the lock housing, and the structure of contact terminal is rotatably arranged in On second axle, form on the edge of the structure of contact terminal in the triggered as normal state when with the unblock control unit The effective portion of the corresponding triggering of part, and it is in triggering failure corresponding with the unblock control unit during triggering failure state Portion, and the effective portion of the triggering is more than the triggering failure portion to the distance of second axle to the distance of second axle；

The triggering frame is provided with limiting section, and the structure of contact terminal is provided with spacing protuberance, and the limiting section is by resistance Keep off the spacing protuberance and prevent the structure of contact terminal counterclockwise or rotationally clockwise；The second reset bias piece it is inclined Pressure makes the structure of contact terminal counterclockwise or rotationally clockwise, and the partial pressure of the second reset bias piece is in institute When stating the torque on structure of contact terminal more than normal release, unblock control unit reaction turning on the structure of contact terminal Square, and the torque direction of the two is contrary.

Is additionally provided with the triggering frame and the triggering frame is stretched out along the dead bolt or triggering frame that retracted orientation is moved is led To structure.

The triggering frame guide frame includes being molded on the triggering frame, and length direction is stretched out or contracted along the dead bolt Return direction extend bar hole or the 3rd axle being installed in the lock housing, and be installed in it is described triggering frame on the 3rd axle or It is molded in the lock housing, length direction is stretched out along the dead bolt or retracted orientation extends bar hole.

The first reset bias piece is the first reduction torsion spring.

First reduction torsion spring be set in the lock shell plate or cover plate on the 4th axle on, first reduction torsion spring A torsion spring pin be connected with the lock housing, another torsion spring pin act on it is described triggering frame on.

The second reset bias piece is the second reset tension spring.

First connecting portion is set on the triggering frame, and the structure of contact terminal is provided with second connecting portion, and described second resets The two ends of torsion spring are connected with the first connecting portion and second connecting portion respectively.

The trigger architecture is trigger wheel.

The handle opening/closing component includes handle axle, and the handle shifting part being set on the handle axle, described to hold Safety structure is additionally provided with hand axle, the safety structure includes：

Insurance shifting part, is arranged on the handle axle；

Handle safety plate, forms the centre bore that the suitable handle axle is passed through, the center on the handle safety plate The idle running groove that the suitable insurance shifting part lies within is formed with the circumferential side wall in hole, and the handle axle is towards unlocking direction During rotation, the insurance shifting part can be rotated in the residing idle running groove, and does not drive the handle safety plate to rotate, When the handle axle is rotated in the opposite direction, the insurance shifting part can be contacted with the cell wall of the idle running groove, and drives institute State the rotation of handle safety plate；

Handle safety plate reset bias piece, the handle safety plate reset bias piece are acted on the handle safety plate, The handle safety plate reset bias piece has the biasing force of two extreme positions, respectively the first biasing force and the second bias Power, when the handle safety plate rotates predetermined angle towards unlocking direction with the handle axle, the handle safety plate resets inclined First biasing force that casting die is produced makes the handle safety plate reset；In the handle safety plate with the handle axle negative side When predetermined angle is rotated, second biasing force that the handle safety plate reset bias piece is produced makes the handle safety plate The unblock control unit of automatic door lock is withstood, prevents the unblock control unit from unlocking dead bolt.

The handle safety plate reset bias piece is double jump torsion spring, and the double jump torsion spring is that at least one torsion spring pin is shaped to The torsion spring of ring, the double jump torsion spring are set in the fixing axle in lock housing by the ring, and the torsion spring pin is the first torsion spring Pin, the second torsion spring pin of the double jump torsion spring are connected with the handle safety plate.

Connecting hole is formed on the handle safety plate, the second torsion spring pin is shaped to the hook for hooking the connecting hole Shape.

The insurance shifting part is set to the polygon shaft coaxial with the handle axle, and the corner angle of the polygon shaft are in In the idle running groove, the number that the idle running groove is arranged is consistent with the number of the corner angle of the polygon shaft, and surrounds institute State centre bore setting.

The polygon profile shaft is square shaft, and the idle running groove is provided with four.

The idle running groove is deep-slotted chip breaker, and the cell wall of the deep-slotted chip breaker both sides is in " eight " font outer expanding shape, and described The gradient of cell wall is adapted to the side of the square shaft and is contacted with the trough wall surface.

The handle shifting part is in " 9 " font.

The retraction drive mechanism includes holding hand-guided the first retraction drive mechanism, and the second contracting controlled by tapered end Return drive mechanism:

The first retraction drive mechanism includes being arranged on the bolt plate towards the first of the lock core shifting part side Integrated structure, the lock core shifting part are rotated towards unlocking direction and are combined with first integrated structure, and to the bolt plate Lock out or the cooperation of dead bolt guide frame that retracted orientation is oriented under, drive the bolt plate to retract in the lock housing；

The second retraction drive mechanism includes being arranged on the bolt plate towards the second of the handle shifting part side Integrated structure, also including the unblock shifting part being arranged between the bolt plate and the handle component, the unblock shifting part Can be rotatably arranged in the lock housing around the 5th axle, the unblock shifting part is provided with and institute towards the other end of the bolt plate That states the combination of the second integrated structure stirs structure, and the unblock shifting part is under the stirring of the handle shifting part around the described 5th Axle is rotated, and by the combination for stirring structure and second integrated structure, and the bolt plate is being lock out or retraction side To under the cooperation of the dead bolt guide frame being oriented to, the bolt plate is driven to retract in the lock housing.

The lock core shifting part is that, with a lock core thumb wheel for stirring handle, first integrated structure is to be molded over the lock The first projection on hyoplastron, the lock core thumb wheel are stirred first projection and the bolt plate are towed back in the lock housing.

Second integrated structure is to be molded over the second protuberance of the bolt plate side or stir through hole, described to stir Structure be molded over it is described unblock shifting part on, with second protuberance or stir through hole coordinate insertion stir through hole or Second protuberance.

The through hole of stirring is square.

The unblock shifting part is a unblock shift fork.

The second arc groove with the latch release shaft as the center of circle is formed on the unblock control unit, the 5th axle is passed through Second arc groove is arranged in the lock housing.

The drive mechanism that lock out is a biasing member that lock out being arranged between the lock housing and the bolt plate, described It lock out biasing member and the biasing force towards the bolt lock outgoing direction is imposed to the bolt plate.

The above-mentioned technical proposal of the present invention has advantages below compared to existing technology：

(1) in the present invention, to be that indoor and outdoor can be inserted into key operated double for the tapered end in the tapered end opening/closing component Lock head structure, the twin-lock header structure have a lock core shifting part, and the locking device that lock out only is dialled by the lock core shifting part Dynamic unblock, the lock core shifting part towards unlocking direction rotates when, first lock out locking of the locking device to the dead bolt described in releasing, The lock core shifting part is rotated further, and the bolt plate is towed back in the lock housing.Said structure ensure that the room of the present invention Door lock after lock core insurance has been gone up cannot not opened by key, so can be prevented well by Inner door lock indoors Thing is easily stolen away by the burglar for only entering the room from window, balcony from indoor openings.

(2) in the present invention, the first lead column is not only used to be coordinated with the first guiding bar-shaped trough and dead bolt is oriented to, also Spacing effect can be played to the rotation of the lock core safety plate, while, moreover it is possible to the another torsion spring pin of the fixation torsion spring, Killing three birds with one stone is realized, the structure in lock housing has been simplified.

(3) contact apparatus in the present invention have triggering failure state, when control unit is unlocked by dieback, contact apparatus Triggering failure state can be automatically converted to from triggering effective status, make the contact of triggering device just or the solution can not be encountered Lock control part, is awkwardly collided with unblock control unit so as to avoid contact, eliminates contact dress of the prior art Put collision noise caused by institute.

(4) lever handle device simple structure of the invention, but also the state closed the door and keep not locking can be realized.Only need 45 ° of rotate in an anti-clockwise direction handle, you can realize dieback of the handle safety plate to the unblock control unit, even if using key Or doorframe collision contact can not be by the unblock control unit unblock at closing time.

(5) in the present invention, tapered end and handle have respective retraction drive mechanism so that during unlocking, lock core unlock with Handle unlocking is non-interference, and when lock core is unlocked, handle is no longer rotated with lock core and rotated, so that unlocking speed is fast, unlocking It is more laborsaving, reduce key and be broken off the interior risk in lock core hole.

(6) in the present invention, the second arc groove with the latch release shaft as the center of circle is formed on the unblock control unit, 5th axle is arranged in the lock housing through second arc groove, can save space in lock housing, in order to the solution Lock control part can be stacked with the unblock shifting part.

Description of the drawings

In order that present disclosure is more likely to be clearly understood, the specific embodiment below according to the present invention is simultaneously combined Accompanying drawing, the present invention is further detailed explanation, wherein

Fig. 1 is the stereogram that the interior door lock of the present invention lock out；

Fig. 2 is the front view that the interior door lock of the present invention lock out；

Fig. 3 is the front view that the interior door lock of the present invention is retracted；

Fig. 4 is the front view of the interior door lock in contact failure state of the present invention；

Fig. 5 is the front view of the lock housing of the present invention；

Fig. 6 is the front view of the dead bolt component of the present invention；

Fig. 7 is the front view of the unblock control unit of the present invention；

Fig. 8 is the front view of the handle safety plate of the present invention；

Fig. 9 is the schematic diagram of the double bar springs of lock core safety plate of the present invention；

Figure 10 is the schematic diagram of the lock core solution locking plate of the present invention；

Figure 11 is the schematic diagram of the lock core safety plate of the present invention

Figure 12 is the schematic diagram of the double jump spring of the handle safety plate of the present invention；

Figure 13 is the schematic diagram of structure of contact terminal；

Figure 14 is provided with the schematic diagram of the triggering frame of trigger wheel.

In figure, reference is expressed as：Dead bolt 1, lock housing 2, panel 3, unblock control unit 4, bolt plate 5；

Safety axis 100, lock core safety plate 101, joint portion 102, safety lock portion 103, lock core safety plate biasing member 104th, double jump torsion axis 105, draw-in groove 106, latch release shaft 107, dop 108, unblock biasing member 109, first axle 110, first are convex Block, the first guiding bar-shaped trough 113, the first lead column 114, the first arc groove 115, the second arc groove 116, it lock out biasing member 117；

Triggering frame 200, trigger architecture 201, structure of contact terminal 202, the first reset bias piece 203, the second axle 204, limiting section 205th, spacing protuberance 206, the second reset bias piece 207, bar hole 208, the 3rd axle 209, first connecting portion 211, second connect Socket part 212；

Handle axle 300, handle shifting part 301, insurance shifting part 302, handle safety plate 303, idle running groove 304, handle are protected Dangerous piece reset bias piece 305, fixing axle 306, connecting hole 307；

First integrated structure 400, lock core shifting part 401, lock core solution locking plate 402, the second integrated structure 403, unblock are stirred Part 404, the 5th axle 405, stir structure 406.

Specific embodiment

In order to be more clearly understood to the technical characteristic of the present invention, purpose and effect, now control illustrates this Bright specific embodiment.

Implement one

As represented in figures 1 through 14, a kind of interior door lock of the present embodiment, including lock housing 2, and be arranged in the lock housing 2 ,

Dead bolt component, including the dead bolt 1 that can be lock out along the vertical direction of the panel of the lock housing 2 or retract, and installs The bolt plate 5 of the dead bolt 1；

Locking mechanism, enters line-locked retraction locking device and to locking out shape including the bolt plate 5 to retracted mode The bolt plate 5 of state is entered line-locked to lock out locking device；

Tapered end in the tapered end opening/closing component can be inserted into key operated twin-lock header structure for indoor and outdoor, described double Lock head structure has a lock core shifting part 401, and the locking device that lock out only stirs unblock, institute by the lock core shifting part 401 State lock core shifting part 401 towards unlocking direction rotate when, first release described in lock out locking of the locking device to the dead bolt 1, it is described Lock core shifting part 401 is rotated further, and 1 plate of the dead bolt is towed back in the lock housing 2.Said structure ensure that the room of the present invention Door lock after lock core insurance has been gone up cannot not opened by key, so can be prevented well by Inner door lock indoors Thing is easily stolen away by the burglar for only entering the room from window, balcony from indoor openings.In the present embodiment, introduce a kind of The structure of locking device is lock out preferably, the structure includes

Safety axis 100, are installed in the bolt plate 5；

Lock core safety plate 101, can rotationally be set on the safety axis 100 around the safety axis 100, and the lock core Joint portion 102 is formed on safety plate 101；

Safety lock portion 103, fixes with respect to the lock housing 2, after being combined with the joint portion 102, prevents the dead bolt Plate 5 is retracted in the lock housing 2；

Lock core safety plate biasing member 104, is arranged between the bolt plate 5 and the lock core safety plate 101, its bias Power is acted on the lock core safety plate 101, the lock core safety plate 101 is rotated towards 103 direction of safety lock portion, and The joint portion 102 is made to be combined with the safety lock portion 103.

Locking device structure is lock out described in above-mentioned simply compact.Meanwhile, the structure of the lock core safety plate can also have It is various, and in the present embodiment, the lock core safety plate is shaped to " L " type, the safety axis 100 are arranged on described " L " type At flex point, the joint portion 102 is molded over the long side end of described " L " type, and the minor face of " L " is adapted to the lock core shifting part 401 stir.

The lock core safety plate biasing member 104 is a double jump torsion spring, and the double jump torsion spring is shaped to for two torsion spring pin The torsion spring of ring, a ring footmuff of the double jump torsion spring are located on the double jump torsion axis 105 in bolt plate 5, the double jump The another ring pin of torsion spring is connected with the joint portion 102 of the lock core safety plate 101.

Further, the retraction locking device in the present embodiment includes

Draw-in groove 106, the draw-in groove 106 are molded in the bolt plate 5；

Latch release shaft 107, is installed on the base plate or cover plate of the lock housing 2；

Unblock control unit 4, can rotationally be set in the latch release shaft 107 around the latch release shaft 107, and the unblock Control unit 4 also forms dop 108 towards the side of the draw-in groove 106；

Unblock biasing member 109, is arranged on the lock housing 2 and is unlocked on control unit 4 with described, and its biasing force makes the solution Lock control part 4 turns to the dop 108 around the latch release shaft 107 and snaps in the draw-in groove 106.

In order to realize that control of the key to the retraction locking device is unlocked, the door lock in the present embodiment also includes lock core solution Locking plate 402, the lock core solution locking plate 402 are rotatably arranged in the lock housing 2 by first axle 110, the lock core unblock Piece 402 props up the unblock unblock control unit 4 towards the solution in the lock core shifting part 401 towards under the stirring of unlocking direction Lock direction rotates unblock.

In order to reduce component part in lock housing, saving take up room, reduces cost, the joint portion 102 be along perpendicular to The first projection that the base plate of the lock housing 2 or cover plate direction extend, the safety lock portion 103 are to be installed in the lock housing 2 The second projection on base plate or cover plate relevant position, the dead bolt 1 is lock out or retracted orientation be oriented to dead bolt guide frame bag Include the first guiding bar-shaped trough 113 being molded in the bolt plate 5, and the first lead column being arranged in the lock housing 2 114, described first is oriented to the side away from the lock core that bar-shaped trough 113 is located at the lock core safety plate 101, and described first First lead column 114 being oriented in bar-shaped trough 113 props up the lock core safety plate 101 and crosses rotation.The unblock biasing portion To be set in torsion spring in the latch release shaft 107, a torsion spring pin of the torsion spring is connected part 109 with the unblock control unit 4 Connect, another torsion spring pin is set in ring in first lead column 114, form with institute on the lock core solution locking plate 402 The first arc groove 115 that first axle 110 is the center of circle is stated, first lead column 114 is arranged on through first arc groove 115 In the lock housing 2.Such structure can make first lead column 114 not only have the effect being oriented to, additionally it is possible to described Spacing effect is played in the rotation of lock core safety plate 101, while, moreover it is possible to the another torsion spring pin of the fixation torsion spring, realize one Lift three to obtain, simplified the structure in lock housing.

Implement two

As shown in Fig. 1-4 and Figure 13,14, the interior door lock of the present embodiment 2 also includes triggering on the basis of embodiment 1 The contact apparatus of the retraction locking device unblock, the contact apparatus include:

Triggering frame 200, can stretch out along the dead bolt 1 or retracted orientation is arranged in the lock housing 2 with moving；

Trigger architecture 201, is arranged on one end of the panel 3 of the close described lock housing 2 of the triggering frame 200, by door Fan switch motion affects to drive the triggering frame 200 to move towards 1 retracted orientation of the dead bolt；

Structure of contact terminal 202, be arranged on it is described triggering frame 200 the other end, with it is described triggering frame 200 towards the dead bolt 1 Retracted orientation triggers the unblock control unit when moving；

First reset bias piece 203, makes the triggering frame 200 stretch out direction reset towards the dead bolt 1.

The structure of contact terminal 202 has triggering effective status and triggering two kinds of shapes of failure state on the triggering frame 200 State, the triggering effective length of the structure of contact terminal 202 in the triggering failure state is relative to the effective shape of the triggering After the triggering effective length of state is foreshortened in the fully retracted panel of the trigger architecture 201, the structure of contact terminal 202 is just Or the unblock control unit 4 can not be encountered；

Also include the second reset bias piece 207, the effect of 207 pairs of structure of contact terminals 202 of the second reset bias piece More than it is described unblock 4 pairs of structure of contact terminals 202 of control unit reaction when, the structure of contact terminal 202 by it is described triggering lose Effect state is rotated or is moved to the triggering effective status；The work of 207 pairs of structure of contact terminals 202 of the second reset bias piece During with being less than the reaction of unblock 4 pairs of structure of contact terminals 202 of control unit, the structure of contact terminal 202 is by the triggering Effective status is rotated or is moved to the triggering failure state.The contact apparatus of said structure have triggering failure state, in solution When lock control part 4 is by dieback, contact apparatus can be automatically converted to triggering failure state from triggering effective status, fill triggering The contact put just or can not encounter it is described unblock control unit 4, so as to avoid contact with unblock control unit 4 awkwardly Collision, eliminates collision noise caused by contact apparatus institute of the prior art.

One kind is described below preferred embodiment, the structure of contact terminal 202 is by rotationally mode described normal tactile Change in hair-like state and the triggering failure state, the triggering frame 200 is provided with cover plate or base plate perpendicular to the lock housing 2 The second axle 204, the structure of contact terminal 202 is rotatably arranged on second axle 204, the side of the structure of contact terminal 202 Form on edge in the triggered as normal state when with the effective portion of the corresponding triggering of the unblock control unit 4, and be in Triggering failure portion corresponding with the unblock control unit 4 during the triggering failure state, and the effective portion of the triggering is to described Distance of the distance of the second axle 204 more than the triggering failure portion to second axle 204；

The triggering frame 200 is provided with limiting section 205, and the structure of contact terminal 202 is provided with spacing protuberance 206, described Limiting section 205 is by stopping the spacing protuberance 206 and preventing the structure of contact terminal 202 counterclockwise or rotationally clockwise； The biasing force of the second reset bias piece 207 makes the structure of contact terminal 202 counterclockwise or rotationally clockwise, and described When torque of the partial pressure of two reset bias pieces 207 on the structure of contact terminal 202 is more than normal release, the solution lock control Torque of 4 reaction of part processed on the structure of contact terminal 202, and the torque direction of the two is contrary.When the unblock control unit Part 4 not by dieback when, the effective portion of the triggering of the structure of contact terminal with it is described unblock control unit 4 touch, make the unblock Control unit 4 is unlocked, and when the unblock control unit 4 is by dieback, unblock control unit 4 is acted at the effective portion of the triggering Countertorque more than the second reset bias piece 207 torque of the biasing force to the structure of contact terminal 202 so that described Structure of contact terminal is rotated, and makes the triggering failure portion towards the unblock control unit 4, now, even if trigger architecture is hit by doorframe Hit, the triggering failure portion on the structure of contact terminal can not touch the unblock control unit, it is to avoid clash into.

In order to ensure that the triggering frame smoothly stretches out or retracts, it is additionally provided with the triggering frame 200 to the triggering frame 200 Stretch out along the dead bolt 1 or triggering frame guide frame that retracted orientation is moved.In the present embodiment 2, the triggering frame is oriented to knot Structure includes being molded on the triggering frame 200, the bar hole that length direction is stretched out along the dead bolt 1 or retracted orientation extends 208 or the 3rd axle 209 that is installed in the lock housing 2, and the 3rd axle 209 that is installed on the triggering frame 200 or shaping In the lock housing 2, length direction is stretched out along the dead bolt 1 or retracted orientation extends bar hole 208.

Described in the present embodiment 2, the first reset bias piece 203 is the first reduction torsion spring.First reduction torsion spring is arranged On the 4th axle on 2 base plate of the lock housing or cover plate, a torsion spring pin of first reduction torsion spring is connected with the lock housing 2, Another torsion spring pin is acted on the triggering frame 200.

Further, the second reset bias piece 207 is the second reset tension spring.First is arranged on the triggering frame 200 Connecting portion 211, the structure of contact terminal 202 are provided with second connecting portion 212, the two ends of second reset tension spring respectively with it is described First connecting portion 211 and second connecting portion 212 connect.

The trigger architecture 201 is trigger wheel, naturally it is also possible to be set to magnet trigger architecture.

Embodiment three

The present embodiment 3 on the basis of embodiment 2 has been made to improve to lever handle device as Figure 1-4, and the handle is opened and closed Component includes handle axle 300, and the handle shifting part 301 being set on the handle axle 300, on the handle axle 300 also Safety structure is provided with, the safety structure includes：

Insurance shifting part 302, is arranged on the handle axle 300；

Handle safety plate 303, forms the centre bore that the suitable handle axle 300 is passed through on the handle safety plate 303, The suitable insurance idle running groove 304 that lies within of shifting part 302 is formed with the circumferential side wall of the centre bore, and described is held Hand axle 300 towards unlocking direction rotate when, the insurance shifting part 302 can be rotated in the residing idle running groove 304, and not The handle safety plate 303 is driven to rotate, when the handle axle 300 is rotated in the opposite direction, the insurance shifting part 302 can Contact with the cell wall of the idle running groove 304, and drive the handle safety plate 303 to rotate；

Handle safety plate reset bias piece 305, the handle safety plate reset bias piece 305 act on the handle insurance On piece 303, the handle safety plate reset bias piece 305 has the biasing force of two extreme positions, respectively the first biasing force With the second biasing force, the handle safety plate 303 with the handle axle 300 towards unlocking direction rotate predetermined angle when, it is described First biasing force that handle safety plate reset bias piece 305 is produced makes the handle safety plate 303 reset；In the handle When safety plate 303 rotates predetermined angle with 300 opposite direction of handle axle, the handle safety plate reset bias piece 305 is produced Second biasing force make the handle safety plate 303 withstand the unblock control unit 4 of automatic door lock, prevent the solution lock control Part processed 4 is unlocked to bolt plate 5.Such lever handle device simple structure, but also can realize closing the door and keeping what is do not locked State.45 ° of rotate in an anti-clockwise direction handle is needed only, you can realize dieback of the handle safety plate to the unblock control unit 4, i.e., Contact is collided using key or at closing time doorframe the unblock control unit 4 can not to be unlocked.

The handle safety plate reset bias piece 305 is double jump torsion spring, the double jump torsion spring be at least one torsion spring pin into Torsion spring of the type for ring, in the fixing axle 306 that the double jump torsion spring is set in the lock housing by the ring, the torsion spring pin For the first torsion spring pin, the second torsion spring pin of the double jump torsion spring is connected with handle safety plate 303.

On the handle safety plate, 303 form connecting hole 307, and the second torsion spring pin is shaped to hook the connecting hole 307 it is hook-shaped.

The insurance shifting part 302 is set to the polygon shaft coaxial with the handle axle 300, the rib of the polygon shaft Angle is in the idle running groove 304, number and the number one of the corner angle of the polygon shaft that the idle running groove 304 is arranged Cause, and arrange around the centre bore.In the present embodiment, the polygon profile shaft is preferably square shaft, and the idle running groove 304 sets There are four.

The idle running groove 304 is deep-slotted chip breaker, and the cell wall of the deep-slotted chip breaker both sides is in " eight " font outer expanding shape, and institute The gradient for stating cell wall is adapted to the side of the square shaft and is contacted with the trough wall surface.

The handle shifting part 301 is in " 9 " font.

Embodiment 4

As Figure 1-4, the present embodiment 4 is improved to retraction drive mechanism on the basis of embodiment 3, described Retraction drive mechanism includes holding hand-guided the first retraction drive mechanism, and the second retraction drive mechanism controlled by tapered end, Wherein

The first retraction drive mechanism includes being arranged on the bolt plate 5 towards 401 side of lock core shifting part First integrated structure 400, the lock core shifting part 401 are rotated towards unlocking direction and are combined with first integrated structure 400, and The bolt plate 5 is lock out or the cooperation of dead bolt guide frame that retracted orientation is oriented under, drive the bolt plate 5 to retract described In lock housing 2；

The second retraction drive mechanism includes being arranged on the bolt plate 5 towards 301 side of handle shifting part Second integrated structure 403, it is also including the unblock shifting part 404 being arranged between the bolt plate 5 and the handle component, described Unblock shifting part 404 can be rotatably arranged in the lock housing 2 around the 5th axle 405, and the unblock shifting part 404 is towards the lock The other end of hyoplastron 5 be provided with combined with second integrated structure 403 stir structure 406, the unblock shifting part 404 is in institute State, combined with described second by the structure 406 of stirring The combination of structure 403, and the bolt plate 5 is lock out or retracted orientation be oriented to dead bolt guide frame cooperation under, drive The bolt plate 5 is retracted in the lock housing 2.When the retraction drive mechanism of said structure causes to unlock, lock core is unlocked and is opened with handle Lock is non-interference, and when lock core is unlocked, handle is no longer rotated with lock core and rotated, so that unlocking speed is fast, unlocks more laborsaving, Reduce key and be broken off the interior risk in lock core hole.

The lock core shifting part 401 is that, with a lock core thumb wheel for stirring handle, first integrated structure 400 is to be molded over The first protuberance in the bolt plate 5, the lock core thumb wheel stir first protuberance bolt plate 5 is towed back to it is described In lock housing 2.

Second integrated structure 403 is to be molded over the second protuberance of 5 side of the bolt plate or stir through hole, described Stir structure 406 for be molded over it is described unblock shifting part 404 on, with second protuberance or stir through hole coordinate insertion Stir through hole or the second protuberance.In the present embodiment, the through hole of stirring is square.

The unblock shifting part 404 is a unblock shift fork.

In order to save space in lock housing, can be laminated with the unblock shifting part 404 in order to the unblock control unit 4 Arrange, on the unblock control unit 4, form the second arc groove 116 with the latch release shaft 107 as the center of circle, the 5th axle 405 are arranged in the lock housing 2 through second arc groove 116.

The drive mechanism that lock out is one to be arranged on and lock out biasing member 117 between the lock housing and the bolt plate, The described 117 pairs of bolt plates 5 of biasing member that lock out impose towards the dead bolt 1 biasing force for locking out direction.It is described to lock out partially Splenium part can be preferably torsion spring.

The course of work of the interior door lock of the present invention：

Automatic locking process

When locking a door, trigger wheel is bumped against with doorframe, is made in 200 retraction lock housing 2 of triggering frame, and the contact triggered on frame 200 is touched Unblock control unit 4, makes unblock control unit 4 rotate clockwise around latch release shaft 107, make the dop 108 of unblock control unit 4 from Exit in draw-in groove 106 in bolt plate 5, release the locking to bolt plate 5, now, turn round in the pressurized reset bias piece that lock out Under the elastic force effect of spring, bolt plate is lock out automatically, realizes locking.Triggering the answering in the first reset bias piece 203 i.e. figure of frame 200 Reset in the presence of the torsion spring of position, meanwhile, reset in the presence of the reset tension spring in the second reset of contact bias piece 204 i.e. figure.Such as Fruit need to be insured to locking states, can be rotated by key band movable lock core shifting part 401, drive then lock core safety plate 101 rotate clockwise until lock core safety plate 101 on joint portion 102 be hooked in the safety lock portion 103.

Unlocking process

When opening the lock with the key, key band movable lock core shifting part 401 is rotated clockwise, and is stirred lock core safety plate and is overcome lock core to protect The active force of the double jump torsion spring in dangerous piece biasing member 104 i.e. figure, rotates counterclockwise, and makes joint portion 102 from lock core limited section 103 Separate and thread off, the unblock of lock core safety plate, lock core shifting part 401 is rotated further, by with bolt plate on the first integrated structure 400 Bolt plate is towed back in lock housing, so as to realize unlocking.

When being unlocked with handle, it is necessary to first lock core safety plate is opened with key, then rotate clockwise handle axle, handle is dialled Moving part 301 is rotated clockwise with handle axle, due to the setting of idle running groove on handle safety plate 303, now, handle safety plate 303 Do not driven, handle shifting part 301 is stirred unblock shifting part 404 and rotated counterclockwise around the 5th axle, unblock shifting part 404 is in the inverse time During pin is rotated, the second integrated structure 403 in bolt plate is driven, drag in bolt plate retraction lock housing, now, solve lock control The dop of part processed 4 is snapped in draw-in groove 106 in the presence of the reduction torsion spring in unblock biasing member 109 i.e. figure, realizes unlocking.

After being unlocked, need keep close the door but do not lock state when, can by rotating counterclockwise handle axle 300, On handle axle, 300 square shaft promotes handle safety plate 303 to rotate, in the biasing force of handle safety plate reset bias piece 305, handle Safety plate withstands unblock control unit 4, the dop 108 of unblock control unit is deviate from from draw-in groove 106, so as to close the door But the state do not locked is locked.At closing time, doorframe encounters trigger wheel, makes in triggering frame retraction lock housing, due to solving lock control Part processed 4 is locked, therefore, unblock control unit is schemed more than the second reset bias piece 207 to the conflict power at structure of contact terminal The pulling force of middle reset tension spring, now, structure of contact terminal can be rotated clockwise, and make the trigger architecture just or can not touch The unblock control unit 4, now contact failure.

When needing to release handle insurance, it is only necessary to which handle axle drives 303 opposite direction of handle safety plate rotationally clockwise Rotate, handle safety plate resets in the presence of handle safety plate reset bias piece 305.

Obviously, above-described embodiment is only intended to clearly illustrate example, not the restriction to embodiment.For For those of ordinary skill in the art, the change or change of other multi-forms can also be made on the basis of the above description It is dynamic.There is no need to be exhaustive to all of embodiment.And thus it is extended obvious change or change Among moving still in the protection domain of the invention.

Claims

1. a kind of interior door lock, including lock housing (2), and be arranged in the lock housing (2)：

Dead bolt component, including the dead bolt (1) that can be lock out along the vertical direction of the panel of the lock housing (2) or retract, and installs The bolt plate (5) of the dead bolt (1)；

Drive mechanism, including drive what the dead bolt component lock out to lock out drive mechanism, and drive the dead bolt component to retract Retraction drive mechanism；

Locking mechanism, enters line-locked retraction locking device and to locking out state including the bolt plate (5) to retracted mode The bolt plate (5) enter line-locked to lock out locking device；

It is characterized in that：

Tapered end in the tapered end opening/closing component can be inserted into key operated twin-lock header structure, the double-lock-head for indoor and outdoor Structure has a lock core shifting part (401), and the locking device that lock out only stirs unblock, institute by the lock core shifting part (401) State lock core shifting part (401) towards unlocking direction rotate when, first release described in lock out locking of the locking device to the dead bolt (1), The lock core shifting part (401) is rotated further, and the bolt plate (5) is towed back in the lock housing (2).

2. interior door lock according to claim 1, it is characterised in that：The locking device that lock out includes safety axis (100), It is installed in the bolt plate (5)；

Lock core safety plate (101), can rotationally be set on the safety axis (100) around the safety axis (100), and the lock Joint portion (102) is formed on core safety plate (101)；

Safety lock portion (103), it is fixed with respect to the lock housing (2), after combining with the joint portion (102), prevent the lock Hyoplastron (5) is retracted in the lock housing (2)；

Lock core safety plate biasing member (104), is arranged between the bolt plate (5) and the lock core safety plate (101), and which is inclined Pressure is acted on the lock core safety plate (101), makes the lock core safety plate (101) towards the safety lock portion (103) side To rotation, and the joint portion (102) is made to combine with the safety lock portion (103).

3. interior door lock according to claim 2, it is characterised in that：The lock core safety plate is shaped to " L " type, the guarantor Dangerous axle (100) is arranged at the flex point of described " L " type, and the joint portion (102) is molded over the long side end of described " L " type, described The minor face of " L " is adapted to the lock core shifting part (401) and stirs.

4. interior door lock according to claim 3, it is characterised in that：The lock core safety plate biasing member (104) is one Double jump torsion spring, the double jump torsion spring is the torsion spring that two torsion spring pin are shaped to ring, a ring footmuff of the double jump torsion spring It is located on the double jump torsion axis (105) in bolt plate (5), the another ring pin of the double jump torsion spring and the lock core safety plate (101) the joint portion (102) connection.

5. the interior door lock according to any one of claim 2-4, it is characterised in that：The retraction locking device includes

Draw-in groove (106), the draw-in groove (106) are molded in the bolt plate (5)；

Latch release shaft (107), is installed on the base plate or cover plate of the lock housing (2)；

Unblock control unit (4), can rotationally be set in the latch release shaft (107) around the latch release shaft (107), and the solution Lock control part (4) also forms dop (108) towards the side of the draw-in groove (106)；

Unblock biasing member (109), is arranged on the lock housing (2) and is unlocked on control unit (4) with described, and its biasing force makes described Unblock control unit (4) turns to the dop (108) around the latch release shaft (107) and snaps in the draw-in groove (106).

6. interior door lock according to claim 5, it is characterised in that：Also include lock core solution locking plate (402), the lock core solution Locking plate (402) is rotatably arranged in the lock housing (2) by first axle (110), and the lock core solution locking plate (402) is described Lock core shifting part (401) towards under the stirring of unlocking direction props up unblock control unit (4) and rotates solution towards the unlocking direction Lock.

7. interior door lock according to claim 6, it is characterised in that：The joint portion (102) is along perpendicular to the lock The first projection that the base plate of shell (2) or cover plate direction extend, the safety lock portion (103) is to be installed in the lock housing (2) The second projection on base plate or cover plate relevant position, the dead bolt (1) is lock out or retracted orientation be oriented to dead bolt guide frame Bar-shaped trough (113), and first be arranged in the lock housing (2) are oriented to including first be molded in the bolt plate (5) Lead column (114), described first is oriented to bar-shaped trough (113) positioned at the lock core safety plate (101) away from the one of the lock core First lead column (114) in side, and first guiding bar-shaped trough (113) props up the lock core safety plate (101), right The lock core safety plate (101) has rotated position-limiting action.

8. interior door lock according to claim 7, it is characterised in that：Unblock biasing member (109) is to be set in The torsion spring in latch release shaft (107) is stated, a torsion spring pin of the torsion spring is connected with unblock control unit (4), and another is turned round Spring pin is set in ring on first lead column (114), is formed with the first axle on the lock core solution locking plate (402) (110) it is first arc groove (115) in the center of circle, first lead column (114) is arranged on through first arc groove (115) On the lock housing (2).

9. interior door lock according to claim 8, it is characterised in that：Also include the triggering retraction locking device unblock Contact apparatus, the contact apparatus include:

Triggering frame (200), can stretch out along the dead bolt (1) or retracted orientation is arranged in the lock housing (2) with moving；

Trigger architecture (201), is arranged on one end of the panel (3) of the close described lock housing (2) of triggering frame (200), Affected to drive triggering frame (200) to move towards the dead bolt (1) retracted orientation by door leaf switch motion；

Structure of contact terminal (202), be arranged on it is described triggering frame (200) the other end, with it is described triggering frame (200) towards the dead bolt (1) the unblock control unit is triggered when retracted orientation is moved；

First reset bias piece (203), makes triggering frame (200) stretch out direction reset towards the dead bolt (1).

10. interior door lock according to claim 9, it is characterised in that：

The structure of contact terminal (202) has triggering effective status and triggering two kinds of shapes of failure state on triggering frame (200) State, the triggering effective length of the structure of contact terminal (202) in the triggering failure state are effective relative to the triggering After the triggering effective length of state is foreshortened in the fully retracted panel of the trigger architecture (201), the structure of contact terminal (202) just or can not encounter it is described unblock control unit (4)；

Also include the second reset bias piece (207), work of the second reset bias piece (207) to the structure of contact terminal (202) During with more than unblock control unit (4) to the reaction of the structure of contact terminal (202), the structure of contact terminal (202) is by institute State triggering failure state to rotate or be moved to the triggering effective status；The second reset bias piece (207) is to the contact The effect of structure (202) less than unblock control unit (4) to the reaction of the structure of contact terminal (202) when, the contact Structure (202) is rotated by the triggering effective status or is moved to the triggering failure state.

11. interior door locks according to claim 10, it is characterised in that：The structure of contact terminal (202) is by rotating place Formula is changed in the triggering effective status and the triggering failure state, and triggering frame (200) is provided with perpendicular to described Second axle (204) of the cover plate or base plate of lock housing (2), the structure of contact terminal (202) are rotatably arranged in second axle (204) on, form on the edge of the structure of contact terminal (202) in it is described triggering effective status when with the unblock control unit The effective portion of the corresponding triggering of part (4), and be in corresponding with unblock control unit (4) tactile during the triggering failure state Failure portion is sent out, and the effective portion of the triggering is more than the triggering failure portion to described second to the distance of second axle (204) The distance of axle (204)；

Triggering frame (200) is provided with limiting section (205), and the structure of contact terminal (202) is provided with spacing protuberance (206), The limiting section (205) prevents the structure of contact terminal (202) counterclockwise or clockwise by stopping the spacing protuberance (206) Direction rotates；The biasing force of the second reset bias piece (207) makes the structure of contact terminal (202) counterclockwise or clockwise direction Rotate, and torque of the partial pressure of the second reset bias piece (207) on the structure of contact terminal (202) is more than normal The unblock torque of control unit (4) reaction on the structure of contact terminal (202) during unblock, and the torque direction phase of the two Instead.

12. interior door locks according to claim 11, it is characterised in that：It is additionally provided with to described on triggering frame (200) The triggering frame guide frame that triggering frame (200) is stretched out along the dead bolt (1) or retracted orientation is moved.

13. interior door locks according to claim 12, it is characterised in that：The triggering frame guide frame includes being molded over institute State in triggering frame (200), the bar hole (208) that length direction is stretched out along the dead bolt (1) or retracted orientation extends, Yi Jigu The 3rd axle (209) being adapted for insertion in the bar hole (208) being located in the lock housing (2)；Or including being molded over the lock On shell (2), the bar hole (208) that length direction is stretched out along the dead bolt (1) or retracted orientation extends, and be installed in described The 3rd axle (209) being adapted for insertion in triggering frame (200) in the bar hole (208).

14. interior door locks according to claim 9, it is characterised in that：The first reset bias piece (203) is multiple for first Position torsion spring.

15. interior door locks according to claim 14, it is characterised in that：First reduction torsion spring is set in the lock housing (2), on the 4th axle on base plate or cover plate, a torsion spring pin of first reduction torsion spring is connected with the lock housing (2), another torsion Spring pin is acted on triggering frame (200).

16. interior door locks according to claim 10, it is characterised in that：The second reset bias piece (207) is second Reset tension spring.

17. interior door locks according to claim 16, it is characterised in that：First is arranged on triggering frame (200) to connect Portion (211), the structure of contact terminal (202) are provided with second connecting portion (212), the two ends of second reset tension spring respectively with institute State first connecting portion (211) and second connecting portion (212) connection.

18. interior door locks according to claim 9, it is characterised in that：The trigger architecture (201) is trigger wheel.

19. interior door locks according to claim 5, it is characterised in that：The handle opening/closing component includes handle axle (300), and the handle shifting part (301) that is set on the handle axle (300), guarantor is additionally provided with the handle axle (300) Dangerous structure, the safety structure include：

Insurance shifting part (302), is arranged on the handle axle (300)；

Handle safety plate (303), forms the center that the suitable handle axle (300) passes through on the handle safety plate (303) Hole, is formed with the idle running groove (304) that suitable insurance shifting part (302) lies within the circumferential side wall of the centre bore, And the handle axle (300) towards unlocking direction rotate when, the insurance shifting part (302) can be in the residing idle running groove (304) rotate in, and do not drive the handle safety plate (303) to rotate, when the handle axle (300) rotates in the opposite direction, Insurance shifting part (302) can be contacted with the cell wall of the idle running groove (304), and drives the handle safety plate (303) Rotate；

Handle safety plate reset bias piece (305), the handle safety plate reset bias piece (305) act on the handle insurance On piece (303), the biasing force of the handle safety plate reset bias piece (305) with two extreme positions, respectively first is inclined Pressure and the second biasing force, rotate predetermined angle towards unlocking direction with the handle axle (300) in the handle safety plate (303) When, first biasing force that the handle safety plate reset bias piece (305) produces makes the handle safety plate (303) multiple Position；When the handle safety plate (303) rotates predetermined angle with handle axle (300) opposite direction, the handle safety plate Second biasing force that reset bias piece (305) is produced makes the handle safety plate (303) withstand unblock control unit (4), Unblock control unit (4) is prevented to unlock bolt plate (5).

20. interior door locks according to claim 19, it is characterised in that：The handle safety plate reset bias piece (305) For double jump torsion spring, the double jump torsion spring is the torsion spring that at least one torsion spring pin is shaped to ring, and the double jump torsion spring is by described Ring is set in the fixing axle in the lock housing (306), and the torsion spring pin is the first torsion spring pin, and the second of the double jump torsion spring turns round Spring pin is connected with handle safety plate (303).

21. interior door locks according to claim 20, it is characterised in that：The company of forming on the handle safety plate (303) Hole (307) is connect, the second torsion spring pin is shaped to hook the hook-shaped of the connecting hole (307).

22. interior door locks according to claim 19, it is characterised in that：Insurance shifting part (302) is set to and institute The coaxial polygon shaft of handle axle (300) is stated, the corner angle of the polygon shaft are interior in the idle running groove (304), the idle running The number that groove (304) is arranged is consistent with the number of the corner angle of the polygon shaft, and arranges around the centre bore.

23. interior door locks according to claim 22, it is characterised in that：The polygon profile shaft be square shaft, the idle running Groove (304) is provided with four.

24. interior door locks according to claim 23, it is characterised in that：The idle running groove (304) is deep-slotted chip breaker, and described The cell wall of deep-slotted chip breaker both sides is in " eight " font outer expanding shape, and the gradient of the cell wall is adapted to side and the institute of the square shaft State trough wall surface contact.

25. interior door locks according to claim 24, it is characterised in that：The handle shifting part (301) is in " 9 " word Type.

26. interior door locks according to claim 25, it is characterised in that：

The retraction drive mechanism is included by holding hand-guided the first retraction drive mechanism, and the second retraction controlled by tapered end Drive mechanism, wherein

The first retraction drive mechanism includes being arranged on the bolt plate (5) towards lock core shifting part (401) side First integrated structure (400), the lock core shifting part (401) are rotated towards unlocking direction and are tied with first integrated structure (400) Close, and the bolt plate (5) is lock out or the cooperation of dead bolt guide frame that retracted orientation is oriented under, drive the bolt plate (5) retract in the lock housing (2)；

The second retraction drive mechanism includes being arranged on the bolt plate (5) towards handle shifting part (301) side Second integrated structure (403), also including the unblock shifting part being arranged between the bolt plate (5) and the handle opening/closing component (404), unblock shifting part (404) can be rotatably arranged in the lock housing (2) around the 5th axle (405), and the unblock is dialled Moving part (404) is provided with towards one end of the bolt plate (5) and stirs structure with second integrated structure (403) combines (406), unblock shifting part (404) is rotated around the 5th axle (405) under the stirring of the handle shifting part (301), By the combination for stirring structure (406) and second integrated structure (403), and locking out to the bolt plate (5) or Under the cooperation of the dead bolt guide frame that retracted orientation is oriented to, the bolt plate (5) is driven to retract in the lock housing (2).

27. interior door locks according to claim 26, it is characterised in that：The lock core shifting part (401) is with one group The lock core thumb wheel of dynamic handle, first integrated structure (400) are the first protuberance for being molded in the bolt plate (5), described Lock core thumb wheel is stirred first protuberance and the bolt plate (5) is towed back in the lock housing (2).

28. interior door locks according to claim 27, it is characterised in that：Second integrated structure (403) is to be molded over Second protuberance of bolt plate (5) side stirs through hole, it is described stir structure (406) for be molded over it is described unblock stir On part (404), with second protuberance or stir through hole coordinate insertion stir through hole or the second protuberance.

29. interior door locks according to claim 28, it is characterised in that：The through hole of stirring is square.

30. interior door locks according to claim 29, it is characterised in that：Unblock shifting part (404) is dialled for a unblock Fork.

31. interior door locks according to claim 30, it is characterised in that：Form on unblock control unit (4) with Second arc groove (116) of the latch release shaft (107) for the center of circle, the 5th axle (405) is through second arc groove (116) It is arranged in the lock housing (2).

32. interior door locks according to claim 1, it is characterised in that：It is described lock out drive mechanism and be arranged on for one it is described Biasing member (117) is lock out between lock housing (2) and the bolt plate (5), the biasing member (117) that lock out is to the dead bolt Plate (5) imposes towards the dead bolt (1) biasing force for locking out direction.