CN108487784A - A kind of single keyhole lock core for preventing from unlocking by force by fractureing lock core - Google Patents
A kind of single keyhole lock core for preventing from unlocking by force by fractureing lock core Download PDFInfo
- Publication number
- CN108487784A CN108487784A CN201810432850.7A CN201810432850A CN108487784A CN 108487784 A CN108487784 A CN 108487784A CN 201810432850 A CN201810432850 A CN 201810432850A CN 108487784 A CN108487784 A CN 108487784A
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- China
- Prior art keywords
- lock
- hole
- gall
- lock core
- lock gall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
- E05B27/02—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in operated by the edge of the key
- E05B27/08—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in operated by the edge of the key arranged axially
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/04—Spring arrangements in locks
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/22—Means for operating or controlling lock or fastening device accessories, i.e. other than the fastening members, e.g. switches, indicators
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
- E05B27/0003—Details
- E05B27/0017—Tumblers or pins
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
- E05B27/0057—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with increased picking resistance
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/04—Spring arrangements in locks
- E05B2015/0403—Wound springs
- E05B2015/0406—Wound springs wound in a cylindrical shape
Landscapes
- Lock And Its Accessories (AREA)
Abstract
A kind of single keyhole lock core for preventing from unlocking by force by fractureing lock core,Including lock housing,Open slot is equipped in the middle part of lock housing,Lock housing is equipped with the first lock gall hole and the second lock gall hole of separation open slot both sides,Rotation is provided with the first lock gall and the second lock gall respectively in first lock gall hole and the second lock gall hole,Second lock gall is circumferentially fixed to be connected with unlock shift fork,Lock core further includes the handle for having the second lock gall of driving to be rotated relative to lock housing,Unlock shift fork is located in open slot,The keyhole being inserted into for key is provided on first lock gall,Lock housing is provided with the groove of the broken positions as lock core under external force between open slot and the end face outside of the first lock gall,Lock core further includes after lock core fractures at groove location so that the second lock gall is circumferentially fixed with respect to lock housing,And protection mechanism of second lock gall with respect to the circumferentially fixed state of lock housing can be released after operation handle.The present invention has the advantages that unlock the protecting of shift fork, safety.
Description
【Technical field】
The present invention relates to lock core, especially a kind of single keyhole lock core for preventing from unlocking by force by fractureing lock core.
【Background technology】
Existing list keyhole lock core, generally comprises two lock galls, is correspondingly arranged in lock housing there are two lockhole, in outdoors
Keyhole is set on the lock gall of side for unlocking outdoors, unlocking handle is connected on the lock gall in side in door, lock housing is at two
It is provided with open slot between lockhole, unlock shift fork is provided in open slot.When in criminal's plane enabling outdoors, lock core
The material of surrounding, when breaking disconnected lock core by force using tool, general lock core just fractures at the open slot, and unlock shift fork will
It is exposed on outer.If criminal can not be unlocked by removing unlock shift fork, criminal can attempt by various methods
Rotation unlocks shift fork to unlock.In addition, for the people in door, if lock core cannot open the door after disconnecting, can cause to be confined in door
The case where.
【Invention content】
To solve the above problems, the present invention provides a kind of single key hole type lock for preventing from unlocking by force by fractureing lock core
Core can protect unlock shift fork after criminal breaks disconnected lock core by force, keep it not exposed and can not rotate, while door
Interior people can unlock, and have the advantages that safe.
The present invention is achieved through the following technical solutions：
A kind of single keyhole lock core for preventing from unlocking by force by fractureing lock core, including lock housing 1,1 middle part of the lock housing
Equipped with open slot 10, the lock housing 1 is equipped with the first lock gall hole 11 and the second lock gall hole 12 of 10 both sides of separation open slot, described
Rotation is provided with the first lock gall 21 and the second lock gall 22, second lock gall respectively in first lock gall hole 11 and the second lock gall hole 12
22 circumferentially fixed are connected with unlock shift fork 4, and the lock core further includes the hand for having the second lock gall 22 of driving to be rotated relative to lock housing 1
Handle 100, the unlock shift fork 4 are located in the open slot 10, and the key being inserted into for key is provided on first lock gall 21
Hole 200, the lock housing 1 are provided with conduct under external force between open slot 10 and the end face outside 210 of the first lock gall 21
The groove 13 of the broken positions of the lock core, the lock core further include after the lock core fractures at 13 position of groove so that the
Two lock galls 22 are circumferentially fixed with respect to lock housing 1 and 22 1 circumferentially fixed shape of opposite lock housing of the second lock gall can be released after operation handle 100
The protection mechanism of state, the protection mechanism include the locking unlock for controlling the second lock gall 22 and rotating or cannot rotate relative to lock housing 1
Device 7, the locking-unlocking device 7 includes the first lock hole 71 opened up on the peripheral surface of second lock gall 22, described
Lock housing 1 is equipped with the second lock hole 72 that can be aligned with the first lock hole 71, is equipped in first lock hole 71 described in occupying
First mobile beads 73 of the first lock hole 71 are equipped with activity card bead 74 in second lock hole 72 and for by activity card bead 74
The top pressure spring 75 that goes is pushed up toward the first mobile beads 73, and when normal condition, first mobile beads 73 and activity card bead 74 distinguish position
Without the rotational motion of 22 opposite lock housing 1 of the second lock gall of limitation, the protection in the first lock hole 71 and the second lock hole 72
Mechanism further includes keeping the first mobile beads 73 to occupy the first lock hole 71 in normal condition to make the activity card bead 74 not with
The switching device 8 of one lock hole 71 cooperation, the control of switching device 8 first after the lock core fractures at 13 position of groove
The displacement of mobile beads 73 enables activity card bead 74 and the first lock hole 71 to coordinate and can be located at the first lock hole 71 and second lock simultaneously
Determine in hole 72,8 control activity card bead of the switching device after lock core fractures at 13 position of groove and after operation handle
74 travel further into the first lock hole 71 without coordinating with the second lock hole 72.
As the preferred embodiment of the present invention, it is further defined to：The switching device 8 includes movable with first respectively
Two cooperation positions that pearl 73 coordinates, the respectively first cooperation position 801 and second coordinates position 802, when normal condition, the first cooperation position
801 and second coordinate the position of position 802 opposite with first lock hole 71, and second cooperation position 802 opposite first coordinates
Position 801 closer to the second lock gall 22 pivot center, when normal condition described in the first cooperation position 801 and first mobile beads 73
Cooperation and keep the first mobile beads 73 occupy the first lock hole 71 make the activity card bead 74 not with the first lock hole 71 coordinate, when
After the lock core fractures at 13 position of groove, the switching device 8 controls the first cooperation position 801 and the first lock hole 71
Being staggeredly located enables first mobile beads 73 to coordinate the cooperation of position 802 with second and activity card bead 74 is made to match with the first lock hole 71
It closes and can be located in the first lock hole 71 and the second lock hole 72 simultaneously, after the lock core fractures at 13 position of groove and grasp
Make second cooperation position 802 of the control of the switching device 8 after handle be staggeredly located with the first lock hole 71 make the first mobile beads 73 and
Second cooperation position 802 is detached from cooperation and activity card bead 74 is made to travel further into the first lock hole 71 without matching with the second lock hole 72
It closes.
As the preferred embodiment of the present invention, it is further defined to：Second lock gall 22 is equipped with and the first locking
The first receiving hole 221 that hole 71 communicates, hole depth direction and the 22 pivot center direction phase of the second lock gall of first receiving hole 221
Together, first lock hole 71 is equipped with the first opening 711 and the second opening 712, and first opening 711 is located at described second
At the peripheral surface of lock gall 22, first lock hole 71 is connected to the first receiving hole 221 by the second opening 712, and described first
Switching device 8 includes the first movable part 81 being movably connected in the first receiving hole 221, and first cooperation setting of position 801 exists
On the peripheral surface of first movable part 81, the both sides of first movable part 81 are respectively equipped with the first elastic device 82 and second
Elastic device 83, in normal condition, first elastic device, 82 and second elastic device 83 is respectively at elastic compression shape
State, first elastic device 82 are arranged between the first movable part 81 and the first lock gall 21, when the lock core is in groove 13
The place of setting after fractureing first elastic device 82 lose first with the cooperation of the first lock gall 21 and second elastic device 83
Movable part 81 is pushed toward 21 direction of the first lock gall so that the peripheral surface of the first movable part 81 is staggeredly located with the first lock hole 71, institute
It further includes inserted link 84 being fixedly connected with handle 100, being inserted into the first receiving hole 221, second bullet to state switching device
Property device 83 be arranged between inserted link 84 and the first movable part 81, it is described second cooperation position 802 cut out in 84 one end of inserted link
Platform, the inserted link 84 can be connected with each other to relative axial movement with the second lock gall 22, and the switching device 8 further includes normal
The inserted link 84 is pushed when state makes the platform on 84 one end of inserted link keep the third elasticity opposite with 71 position of the first lock hole
Device 85.
As the preferred embodiment of the present invention, it is further defined to：In normal state, 73 He of the first mobile beads
The total length of activity card bead 74 is more than the distance that the first opening 711 arrives platform, and the length of the activity card bead 74 is less than or equal to
First opening 711 arrives the distance of platform.
As the preferred embodiment of the present invention, it is further defined to：First elastic device 82 includes pin axis
820, the end face top pressure by the pin axis 820 is provided in the first lock gall between 820 and first movable part 81 of the pin axis
The first spring 821 on 21 is provided with the supporting surface 211 coordinated with the end face of the pin axis 820 on first lock gall 21,
The end face of the pin axis 820 coordinates with the supporting surface 211 when normal condition, when the lock core fractures at 13 position of groove
Afterwards, the supporting surface 211 is detached with pin axis 820 makes the end face of the pin axis 820 be detached from cooperation with the supporting surface 211.
As the preferred embodiment of the present invention, it is further defined to：The groove 13 is equipped with the first side wall 131 and the
Two side walls 132, the first side wall 131 closer to the open slot 10, the setting of the supporting surface 211 the first side wall 131 with
Between the end face outside 210 of first lock gall 21.
As the preferred embodiment of the present invention, it is further defined to：Second elastic device 83 includes setting the
It is between one movable part 81 and inserted link 84, push after the lock core fractures at 13 position of groove the first movable part 81 toward described
Second spring 831 that first lock gall, 21 direction moves, that the first cooperation position 801 and the first lock hole 71 are staggeredly located.
As the preferred embodiment of the present invention, it is further defined to：Second lock gall 22 is equipped with along the second lock gall
The bar shaped card hole 222 that 22 pivot center directions extend, the inserted link 84 are convex equipped with being slidably matched with the bar shaped card hole 222
Pin 841, the third elastic device 85 include be arranged between the protruding pin 841 and the second lock gall 22, in normal condition when
It pushes 841 top pressure of protruding pin on the inserted link 84 in one end of the bar shaped card hole 222, platform thereon is made to keep and the first lock
71 position of hole is determined with respect to third spring 851.
As the preferred embodiment of the present invention, it is further defined to：First movable part 81, which is equipped with, supplies the institute
The second receiving hole 811 of the insertion of inserted link 84 is stated, in normal condition, one end of the inserted link 84 is inserted into second receiving hole
811 keep the platform on the inserted link 84 opposite with 71 position of the first lock hole.
As the preferred embodiment of the present invention, it is further defined to：It is installed on first lock gall 21 and lock housing 1 useful
In the front hoodle component 5 that coordinate with key, the first lock gall 1 of control is rotated or cannot be rotated relative to lock housing 1.
As the preferred embodiment of the present invention, it is further defined to：It is set between first lock gall 1 and unlock shift fork 4
It is equipped with and makes first lock gall 1 and the unlock circumferentially opposed fixed arrangement of clutch of shift fork 4 after key is inserted into keyhole 210,
When being not inserted into key in the keyhole, the arrangement of clutch controls first lock gall 1 and unlock shift fork 4 is circumferentially opposed
It is freely rotated.
As the preferred embodiment of the present invention, it is further defined to：It is provided with third receiving hole on first lock gall 21
901, the hole depth direction of the third receiving hole 901 is identical as the pivot center direction of first lock gall 21, the clutch dress
The second movable part 900 for being included in and being axially flexibly connected in the third receiving hole 901 is set, is set on second movable part 900
It is equipped with bayonet 902, the unlock shift fork 4 is equipped with the fixture block 41 for coordinating with the bayonet 902, when key is inserted into keyhole
When middle, the key pushes the axial activity of the second movable part 900 so that bayonet is coordinated with fixture block, and the arrangement of clutch also wraps
It includes and pushes the second movable part 900 to reset when key is not inserted into keyhole, makes the bayonet 902 on the second movable part 900 and unlock
Fixture block 41 on shift fork 4 is detached from the spring of cooperation.
As the preferred embodiment of the present invention, it is further defined to：First lock gall, 21 21 turns of the first lock gall of upper edge
Place opposite with 13 position of the groove is equipped with the second groove of the broken positions as first lock gall 21 on shaft line direction
212。
As the preferred embodiment of the present invention, it is further defined to：The bore dia of first lock hole 71 is less than the
The bore dia of two lock holes 72, is provided with the second mobile beads 76 in second lock hole 72, second mobile beads 76 it is straight
Diameter is more than the bore dia of first lock hole 71, is fixedly installed envelope pearl 77 in second lock hole 72, when normal condition
The envelope pearl 77, top pressure spring 75, the second mobile beads 76, activity card bead 74 are arranged in order in the second lock hole 72.
Advantages of the present invention is compared with the existing technology：
When criminal when fractureing lock core outdoors, since the position of the groove as broken positions is in open slot and
Between the end face outside of one lock gall, for the lock core after the groove location fractures, part lock core can cover unlock shift fork, avoid solving
It is exposed to lock shift fork, prevents criminal from unlocking, it is safe；Meanwhile switching device controls the displacement of the first mobile beads so that activity
Card bead is by top pressure spring top pressure and enters the first lock hole, and last activity card bead is in the first lock hole and the second lock hole simultaneously
In so that the second lock gall cannot be rotated with respect to the circumferentially fixed connection of lock housing, due to unlock shift fork and the circumferentially fixed company of the second lock gall
It connects, thus unlocks shift fork and be lockable, cannot be rotated relative to lock housing, to prevent criminal from further unlocking.For people in door
Member, switching device control activity card bead after user's operation handle travel further into the first lock hole without matching with the second lock hole
It closes so that the circumferentially opposed lock housing of the second lock gall is freely rotated, that is, unlocks the opposite lock housing of shift fork energy and be freely rotated to unlock door lock.
The configuration of the present invention is simple using the variation of multiple location status of activity card bead conciliate the locking of lock gall and unlock shift fork
Lock protects unlock shift fork, safe, realizes the security function for preventing unlocking by force by fractureing lock core, together
Shi Suoxin does not influence personnel in door after being destroyed unlocks.
【Description of the drawings】
Fig. 1 is the three-dimensional view of the embodiment of the present invention；
Fig. 2 is the explosive view of the embodiment of the present invention；
Fig. 3 is the explosive view of another angle of the embodiment of the present invention；
Front view when Fig. 4 is normal condition of the embodiment of the present invention；
Vertical view when Fig. 5 is normal condition of the embodiment of the present invention；
Fig. 6 is the sectional view in the directions B-B of Fig. 5；
Fig. 7 is the sectional view in the directions A-A of Fig. 4；
Fig. 8 is the front view after lock core of the embodiment of the present invention fractures at groove location；
Fig. 9 is the vertical view after lock core of the embodiment of the present invention fractures at groove location；
Figure 10 is the sectional view in the directions D-D of Fig. 9；
Figure 11 is the sectional view in the directions C-C of Fig. 8；
Topology view on the basis of Figure 12 is Figure 10 after operation handle；
Topology view on the basis of Figure 13 is Figure 11 after operation handle；
Topology view after reseting handle, active card integument platform jack up on the basis of Figure 14 is Figure 12；
Topology view after reseting handle, active card integument platform jack up on the basis of Figure 15 is Figure 13.
【Specific implementation mode】
1 to 15 the invention will be further elaborated below in conjunction with the accompanying drawings：
A kind of single keyhole lock core for preventing from unlocking by force by fractureing lock core, including lock housing 1,1 middle part of the lock housing
Equipped with open slot 10, the lock housing 1 is equipped with the first lock gall hole 11 and the second lock gall hole 12 of 10 both sides of separation open slot, described
Rotation is provided with the first lock gall 21 and the second lock gall 22, second lock gall respectively in first lock gall hole 11 and the second lock gall hole 12
22 circumferentially fixed are connected with unlock shift fork 4, and the lock core further includes the hand for having the second lock gall 22 of driving to be rotated relative to lock housing 1
Handle 100, the unlock shift fork 4 are located in the open slot 10, and the key being inserted into for key is provided on first lock gall 21
Hole 200, the lock housing 1 are provided with conduct under external force between open slot 10 and the end face outside 210 of the first lock gall 21
The groove 13 of the broken positions of the lock core, the lock core further include after the lock core fractures at 13 position of groove so that the
Two lock galls 22 are circumferentially fixed with respect to lock housing 1 and 22 1 circumferentially fixed shape of opposite lock housing of the second lock gall can be released after operation handle 100
The protection mechanism of state, the protection mechanism include the locking unlock for controlling the second lock gall 22 and rotating or cannot rotate relative to lock housing 1
Device 7, the locking-unlocking device 7 includes the first lock hole 71 opened up on the peripheral surface of second lock gall 22, described
Lock housing 1 is equipped with the second lock hole 72 that can be aligned with the first lock hole 71, is equipped in first lock hole 71 described in occupying
First mobile beads 73 of the first lock hole 71 are equipped with activity card bead 74 in second lock hole 72 and for by activity card bead 74
The top pressure spring 75 that goes is pushed up toward the first mobile beads 73, and when normal condition, first mobile beads 73 and activity card bead 74 distinguish position
Without the rotational motion of 22 opposite lock housing 1 of the second lock gall of limitation, the protection in the first lock hole 71 and the second lock hole 72
Mechanism further includes keeping the first mobile beads 73 to occupy the first lock hole 71 in normal condition to make the activity card bead 74 not with
The switching device 8 of one lock hole 71 cooperation, the control of switching device 8 first after the lock core fractures at 13 position of groove
The displacement of mobile beads 73 enables activity card bead 74 and the first lock hole 71 to coordinate and can be located at the first lock hole 71 and second lock simultaneously
Determine in hole 72,8 control activity card bead of the switching device after lock core fractures at 13 position of groove and after operation handle
74 travel further into the first lock hole 71 without coordinating with the second lock hole 72.
When the present invention is installed on door, the first lock gall 11 of setting correspond to close to side outdoors and the second lock gall 12 corresponds to and exists
The side in the door, the position of 22 opposite lock housing 1 of setting unlock plug 4 and the second lock gall while can make on door lock described in the
The first lock hole 71 in two lock galls 22 is aligned with the second lock hole 72 in lock housing 1.When criminal is in the lock core that fractures outdoors
When, since the position of the groove 13 as broken positions is between open slot 10 and the end face outside 210 of the first lock gall 21, institute
It states after lock core fractures in 13 position of groove, part lock core can cover unlock shift fork 4, avoid unlock shift fork 4 exposed, prevent illegal
Molecule is unlocked, safe；Meanwhile switching device 8 controls the displacement of the first mobile beads 73 so that activity card bead 74 is by top pressure spring
75 top pressures simultaneously enter the first lock hole 71, and last activity card bead 74 is in the first lock hole 71 and the second lock hole 72 simultaneously,
So that the 22 1 circumferentially fixed connection of opposite lock housing of the second lock gall, cannot rotate, since unlock shift fork 4 and the second lock gall 22 are circumferential solid
Fixed connection, thus unlock shift fork 4 and be lockable, it cannot be rotated relative to lock housing 1, to prevent criminal from further unlocking.In order to
Personnel in door are unlocked, the control activity card bead 74 after user's operation handle of switching device 8 travels further into the first locking
Hole 71 with the second lock hole 72 without coordinating so that 22 circumferentially opposed lock housing of the second lock gall is freely rotated, that is, unlocking shift fork 4 can phase
Lock housing is freely rotated to unlock door lock.The configuration of the present invention is simple, it is easy to accomplish, unlock shift fork is protected, safety
It is high.
Further：The switching device 8 includes two cooperation positions with the cooperation of the first mobile beads 73 respectively, and respectively the
One cooperation position 801 and second coordinates position 802, and when normal condition, the first cooperation position 801 and second coordinates position and the institute of position 802
It is opposite to state the first lock hole 71, second cooperation position 802 opposite first coordinates position 801 closer to the rotation axis of the second lock gall 22
Line, when normal condition described in the first cooperation position 801 and first mobile beads 73 coordinate and the first mobile beads 73 kept to occupy the
One lock hole 71 makes the activity card bead 74 not coordinate with the first lock hole 71, when the lock core fractures at 13 position of groove
Afterwards, the switching device 8 controls the first cooperation position 801 and the first lock hole 71 is staggeredly located and makes first mobile beads 73
With the second cooperation position 802 cooperation and so that activity card bead 74 and the first lock hole 71 is coordinated and the first lock hole 71 can be located at simultaneously
In the second lock hole 72, the switching device 8 controls after the lock core fractures at 13 position of groove and after operation handle
Second cooperation position 802 is staggeredly located with the first lock hole 71 and makes the first mobile beads 73 coordinate position 802 to be detached from cooperation with second and make
Activity card bead 74 travels further into the first lock hole 71 without coordinating with the second lock hole 72.Utilize the first cooperation position 801 and the
The switching of two cooperation positions 802 and 73 matching relationship of the first mobile beads, realization activity card bead 73 and the first lock hole 71 and second are locked
Determine the variation of 72 matching relationship of hole, it is simple in structure to which the second lock gall 22 of control relative to the rotation of lock housing 1 or cannot rotate, easily
In implementation.
Further：Second lock gall 22 is equipped with the first receiving hole 221 for being communicated with the first lock hole 71, and described the
The hole depth direction of one receiving hole 221 is identical as 22 pivot center direction of the second lock gall, and first lock hole 71 is equipped with first
Opening 711 and the second opening 712, first opening 711 are located at the peripheral surface of second lock gall 22, first locking
Hole 71 is connected to the first receiving hole 221 by the second opening 712, and first switching device 8 includes being movably connected in the first appearance
The first movable part 81 received in hole 221, first cooperation position 801 are arranged on the peripheral surface of first movable part 81, institute
The both sides for stating the first movable part 81 are respectively equipped with the first elastic device 82 and the second elastic device 83, described in normal condition
First elastic device 82 and the second elastic device 83 are respectively at elastic compression, and the setting of the first elastic device 82 is the
Between one movable part 81 and the first lock gall 21, first elastic device 82 loses after the lock core fractures at 13 position of groove
Go the cooperation with the first lock gall 21 and second elastic device 83 pushes the first movable part 81 toward 21 direction of the first lock gall makes
The peripheral surface for obtaining the first movable part 81 is staggeredly located with the first lock hole 71, and the switching device further includes and handle 100 is fixed
Inserted link 84 connecting, being inserted into the first receiving hole 221, the setting of the second elastic device 83 is in inserted link 84 and the first activity
Between part 81, second cooperation position 802 is the platform cut out in 84 one end of inserted link, and the inserted link 84 can phase with the second lock gall 22
To being connected with each other with axial motion, the switching device 8 further includes pushing the inserted link 84 in normal condition to make inserted link 84 1
Platform on end keeps the third elastic device 85 opposite with 71 position of the first lock hole.When normal condition, the first elastic device
82 and second elastic device 83 make the peripheral surface of the first movable part 81 remains to match with first mobile beads 73 using its elastic force
It closes, the relationship for the static balancing that the first elastic device 82 and the second elastic device 83 are kept；When the lock core is in 13 position of groove
After place fractures, the first elastic device 82 loses the cooperation with the first lock gall 21, and above-mentioned static balancing relationship is broken, the second elasticity
Device 83 discharges elasticity and goes the first movable part 81 so that the peripheral surface of the first movable part 81 and the toward 21 direction of the first lock gall top
One lock hole 71 is staggeredly located, the first mobile beads 73 enter the first receiving hole 221 and with as second cooperation position 802 inserted link 84
On platform cooperation, activity card bead 74 enters the first lock hole 71 and also keeps coordinating with the second lock hole 72 simultaneously, at this point, second
Lock gall 22 is blocked by activity card bead 74, cannot be rotated relative to lock housing 1, and unlock shift fork 4 can not also rotate, and lock core enters protection
State, criminal can not open the door.For the people in door, operation handle axially pulls inserted link 84 so that described as the second cooperation
The platform and the first lock hole 71 of position 802, which are staggeredly located, makes the first mobile beads 73 and second cooperation position 802 be detached from cooperation, active card
Pearl 74 enters further into without coordinating with the second lock hole 72 in the first lock hole 71, thus the second lock gall 12 can opposite lock
Shell 1 is freely rotated, and personnel can be unlocked by handle 100 in door.
Further：In normal state, first mobile beads 73 and the total length of activity card bead 74 are opened more than first
Mouth 711 arrives the distance of platform, and the length of the activity card bead 74 is less than or equal to the distance that the first opening 711 arrives platform.In this way
Setting, even if inserted link 84 resets rear platform and activity card bead 74 is jacked up, activity card bead 74 will not enter in the second lock hole 72.
First elastic device 82 is preferably designed for：First elastic device 82 includes pin axis 820, the pin axis
820 and first are provided with the first spring by the end face top pressure of the pin axis 820 on the first lock gall 21 between movable part 81
821, be provided with the supporting surface 211 coordinated with the end face of the pin axis 820 on first lock gall 21, when normal condition described in
The end face of pin axis 820 coordinates with the supporting surface 211, after the lock core fractures at 13 position of groove, the supporting surface
211 detach the end face for making the pin axis 820 and the disengaging cooperation of the supporting surface 211 with pin axis 820.
Further：The groove 13 is equipped with the first side wall 131 and second sidewall 132, and the first side wall 131 more leans on
The nearly open slot 10, the supporting surface 211 be arranged the end face outside 210 of the first side wall 131 and first lock gall 21 it
Between.After lock core fractures at 13 position of groove, supporting surface 211 is just as disconnection part lock core is removed and the pin axis
820 end face separation so that the first spring 821 discharges elastic force, and the first movable part 81 is in the side of the first elastic device 82 without bullet
Power supports, and the second elastic device 83 just can discharge elastic force and so that the first movable part 81 is axially living along the pivot center of the second lock gall 22
It is dynamic.
Second elastic device 83 is preferably designed for：Second elastic device 83 include setting the first movable part 81 with
It is between inserted link 84, push the first movable part 81 toward 21 side of the first lock gall after the lock core fractures at 13 position of groove
To movement, so that the first cooperation position 801 and the second spring 831 that is staggeredly located of the first lock hole 71.
Third elastic device 85 is preferably designed for：Second lock gall 22 is equipped with along 22 pivot center side of the second lock gall
To the bar shaped card hole 222 of extension, the inserted link 84 is equipped with the protruding pin 841 that is slidably matched with the bar shaped card hole 222, and described the
Three elastic devices 85 include be arranged between the protruding pin 841 and the second lock gall 22, in normal condition when push the inserted link
841 top pressure of protruding pin on 84 in one end of the bar shaped card hole 222, the platform for making thereon is kept and 71 position phase of the first lock hole
To third spring 851.
Further：First movable part 81 is equipped with the second receiving hole 811 being inserted into for the inserted link 84,
When normal condition, one end of the inserted link 84, which is inserted into second receiving hole 811, makes the platform on the inserted link 84 and first
71 position of lock hole is opposite.
Further：It is installed on first lock gall 21 and lock housing 1 for coordinate with key, the first lock gall 1 of control
The front hoodle component 5 that rotates or cannot rotate relative to lock housing 1.
Further：It is provided between first lock gall 1 and unlock shift fork 4 and makes after key is inserted into keyhole 210
First lock gall 1 and the unlock circumferentially opposed fixed arrangement of clutch of shift fork 4, when being not inserted into key in the keyhole,
The arrangement of clutch controls first lock gall 1 and unlocks that shift fork 4 is circumferentially opposed to be freely rotated.
Further, third receiving hole 901, the hole depth direction of the third receiving hole 901 are provided on the first lock gall 21
Identical as the pivot center direction of first lock gall 21, the arrangement of clutch is included in the third receiving hole 901 axial
Second movable part 900 of flexible connection is provided with bayonet 902 on second movable part 900, and the unlock shift fork 4 is equipped with
Fixture block 41 for coordinating with the bayonet 902, when key is inserted into keyhole, the key pushes the second movable part 900
So that bayonet is coordinated with fixture block, the arrangement of clutch further includes that second is pushed when key is not inserted into keyhole for axial activity
The spring that movable part 900 resets, the bayonet 902 on the second movable part 900 is made to be detached from cooperation with the fixture block 41 on unlock shift fork 4.
In order to enable lock core is preferably disconnected in 13 position of groove, first lock gall, 21 the first lock gall of upper edge, 21 rotation axis
Place opposite with 13 position of the groove is equipped with the second groove 212 of the broken positions as first lock gall 21 on line direction.
In order to enable activity card bead 74 after entering further into the first lock hole 71 with the second lock hole 72 when not coordinating
Other parts are avoided to enter the first lock hole 71, the bore dia of first lock hole 71 is less than the Kong Zhi of the second lock hole 72
Diameter, the second mobile beads 76 are provided in second lock hole 72, and the diameter of second mobile beads 76 is more than described first and locks
Determine the bore dia in hole 71, be fixedly installed envelope pearl 77 in second lock hole 72, when normal condition the envelope pearl 77, top pressure bullet
Spring 75, the second mobile beads 76, activity card bead 74 are arranged in order in the second lock hole 72.
Claims (14)
1. a kind of single keyhole lock core for preventing from unlocking by force by fractureing lock core, including lock housing (1), in the lock housing (1)
Portion is equipped with open slot (10), and the lock housing (1) is equipped with first lock gall hole (11) and the second lock of separation open slot (10) both sides
Courage hole (12), rotation is provided with the first lock gall (21) and second respectively in first lock gall hole (11) and the second lock gall hole (12)
Lock gall (22), second lock gall (22) is circumferentially fixed to be connected with unlock shift fork (4), and the lock core further includes having the second lock of driving
The handle (100) that courage (22) is rotated relative to lock housing (1), the unlock shift fork (4) is located in the open slot (10), described
The keyhole (200) being inserted into for key is provided on first lock gall (21), it is characterised in that：The lock housing (1) is in open slot
(10) broken positions as the lock core under external force are provided between the end face outside of the first lock gall (21) (210)
Groove (13), the lock core further includes after the lock core fractures at groove (13) position so that the second lock gall (22) is opposite
Lock housing (1) is circumferentially fixed and the second lock gall (22) can be released after operation handle (100) with respect to lock housing (1) circumferentially fixed state
Protection mechanism, the protection mechanism include the locking unlock that the second lock gall of control (22) is rotated or cannot be rotated relative to lock housing (1)
Device (7), the locking-unlocking device (7) are included in the first lock hole opened up on the peripheral surface of second lock gall (22)
(71), the lock housing (1) is equipped with the second lock hole (72) that can be aligned with the first lock hole (71), first lock hole
(71) it is equipped with the first mobile beads (73) for occupying first lock hole (71) in, activity is equipped in second lock hole (72)
Card bead (74) and for activity card bead (74) to be pushed up the top pressure spring (75) that goes toward the first mobile beads (73), when normal condition, institute
State the first mobile beads (73) and activity card bead (74) is located in the first lock hole (71) and the second lock hole (72) and it is unlimited
Rotational motion of the second lock gall (22) with respect to lock housing (1) is made, the protection mechanism further includes keeping first to live in normal condition
Dynamic pearl (73) occupies the switching device that the first lock hole (71) makes the activity card bead (74) not coordinate with the first lock hole (71)
(8), switching device (8) the first mobile beads of control (73) displacement makes work after the lock core fractures at groove (13) position
Dynamic card bead (74) can coordinate with the first lock hole (71) and can be located in the first lock hole (71) and the second lock hole (72) simultaneously,
After the lock core fractures at groove (13) position and after operation handle switching device (8) the control activity card bead (74) into
One stepping enters the first lock hole (71) without coordinating with the second lock hole (72).
2. a kind of single keyhole lock core for preventing from unlocking by force by fractureing lock core according to claim 1, feature
It is：The switching device (8) includes coordinating positions with two of the first mobile beads (73) cooperation respectively, the respectively first cooperation position
(801) and the second cooperation position (802), when normal condition, the first cooperation position (801) and second coordinate position (802) position and institute
State the first lock hole (71) relatively, second cooperation position (802) opposite first coordinates position (801) closer to the second lock gall (22)
Pivot center, when normal condition described in the first cooperation position (801) coordinate with first mobile beads (73) and keep first to live
Dynamic pearl (73), which occupies the first lock hole (71), makes the activity card bead (74) not coordinate with the first lock hole (71), when the lock core
After fractureing at groove (13) position, switching device (8) control described first coordinates position (801) and the first lock hole (71)
Being staggeredly located makes first mobile beads (73) coordinate position (802) cooperation with second and makes activity card bead (74) can be with the first locking
Hole (71) coordinates and can be located in the first lock hole (71) and the second lock hole (72) simultaneously, when the lock core is in groove (13) position
The switching device (8) controls the second cooperation position (802) and the first lock hole (71) position after the place of setting fractures and after operation handle
Being staggered makes the first mobile beads (73) coordinate position (802) to be detached from cooperation with second and activity card bead (74) is made to travel further into the first lock
Hole (71) is determined without coordinating with the second lock hole (72).
3. a kind of single keyhole lock core for preventing from unlocking by force by fractureing lock core according to claim 2, feature
It is：Second lock gall (22) is equipped with the first receiving hole (221) communicated with the first lock hole (71), and described first accommodates
The hole depth direction in hole (221) is identical as the second lock gall (22) pivot center direction, and first lock hole (71) is equipped with first
It is open (711) and second is open (712), first opening (711) is located at the peripheral surface of second lock gall (22), described
First lock hole (71) is connected to the first receiving hole (221) by the second opening (712), and first switching device (8) includes
The first movable part (81) being movably connected in the first receiving hole (221), first cooperation position (801) are arranged described first
On the peripheral surface of movable part (81), the both sides of first movable part (81) are respectively equipped with the first elastic device (82) and the second bullet
Property device (83), in normal condition, first elastic device (82) and the second elastic device (83) are respectively at elastic pressure
Contracting state, first elastic device (82) is arranged between the first movable part (81) and the first lock gall (21), when the lock core
After fractureing at groove (13) position first elastic device (82) lose with the cooperation of the first lock gall (21) and described second
First movable part (81) is pushed the peripheral surface so that the first movable part (81) by elastic device (83) toward the first lock gall (21) direction
It is staggeredly located with the first lock hole (71), the switching device is fixedly connected with handle (100), is inserted into the first appearance
The inserted link (84) received in hole (221), second elastic device (83) are arranged between inserted link (84) and the first movable part (81),
Second cooperation position (802) is the platform cut out in inserted link (84) one end, and the inserted link (84) can phase with the second lock gall (22)
To being connected with each other with axial motion, the switching device (8) further includes pushing the inserted link (84) in normal condition to make inserted link
(84) platform on one end keeps the third elastic device (85) opposite with the first lock hole (71) position.
4. a kind of single keyhole lock core for preventing from unlocking by force by fractureing lock core according to claim 3, feature
It is：In normal state, the total length of first mobile beads (73) and activity card bead (74) is more than the first opening (711) and arrives
The length of the distance of platform, the activity card bead (74) is less than or equal to the distance that the first opening (711) arrives platform.
5. a kind of single keyhole lock core for preventing from unlocking by force by fractureing lock core according to claim 3, feature
It is：First elastic device (82) includes pin axis (820), between the pin axis (820) and the first movable part (81)
It is provided with the first spring (821) on the first lock gall (21), first lock gall by the end face top pressure of the pin axis (820)
(21) be provided with the supporting surface (211) coordinated with the end face of the pin axis (820) on, when normal condition the pin axis
(820) end face coordinates with the supporting surface (211), after the lock core fractures at groove (13) position, the supporting surface
(211) being detached with pin axis (820), which makes the end face of the pin axis (820) be detached from the supporting surface (211), coordinates.
6. a kind of single keyhole lock core for preventing from unlocking by force by fractureing lock core according to claim 5, feature
It is：The groove (13) is equipped with the first side wall (131) and second sidewall (132), and the first side wall (131) is closer to institute
State open slot (10), end face outside of supporting surface (211) setting in the first side wall (131) and first lock gall (21)
(210) between.
7. a kind of single keyhole lock core for preventing from unlocking by force by fractureing lock core according to claim 3, feature
It is：Second elastic device (83) include be arranged between the first movable part (81) and inserted link (84), when the lock core
Pushed after fractureing at groove (13) position the first movable part (81) toward the first lock gall (21) direction movement, so that first
The second spring (831) that cooperation position (801) is staggeredly located with the first lock hole (71).
8. a kind of single keyhole lock core for preventing from unlocking by force by fractureing lock core according to claim 3, feature
It is：Second lock gall (22) is equipped with the bar shaped card hole (222) extended along the second lock gall (22) pivot center direction, described
Inserted link (84) is equipped with the protruding pin (841) being slidably matched with the bar shaped card hole (222), and the third elastic device (85) includes
It is being arranged between the protruding pin (841) and the second lock gall (22), in normal condition when push protruding pin on the inserted link (84)
(841) top pressure in one end of the bar shaped card hole (222), so that platform thereon is kept opposite with the first lock hole (71) position the
Three springs (851).
9. a kind of single keyhole lock core for preventing from unlocking by force by fractureing lock core according to claim 3, feature
It is：First movable part (81) is equipped with the second receiving hole (811) being inserted into for the inserted link (84), in normal shape
When state, one end of the inserted link (84), which is inserted into second receiving hole (811), makes platform and first on the inserted link (84)
Lock hole (71) position is opposite.
10. a kind of single keyhole lock core for preventing from unlocking by force by fractureing lock core according to claim 1, feature
It is：It is installed on first lock gall (21) and lock housing (1) for the opposite lock of coordinating with key, the first lock gall of control (1)
The front hoodle component (5) that shell (1) is rotated or cannot be rotated.
11. a kind of single keyhole lock core for preventing from unlocking by force by fractureing lock core according to claim 1, feature
It is：It is provided between first lock gall (1) and unlock shift fork (4) after key is inserted into keyhole (210) so that described the
One lock gall (1) and unlock shift fork (4) circumferentially opposed fixed arrangement of clutch, when being not inserted into key in the keyhole, institute
Arrangement of clutch is stated to control first lock gall (1) and unlock that shift fork (4) is circumferentially opposed to be freely rotated.
12. a kind of single keyhole lock core for preventing from unlocking by force by fractureing lock core according to claim 11, special
Sign is：Third receiving hole (901), the hole depth direction of the third receiving hole (901) and institute are provided on first lock gall (21)
The pivot center direction for stating the first lock gall (21) is identical, and the arrangement of clutch is included in the third receiving hole (901) axial
The second movable part (900) of flexible connection is provided with bayonet (902), the unlock shift fork on second movable part (900)
(4) it is equipped with the fixture block (41) for coordinating with the bayonet (902), when key is inserted into keyhole, the key pushes
For the axial activity of second movable part (900) so that bayonet is coordinated with fixture block, the arrangement of clutch further includes being not inserted into key
Push the second movable part (900) to reset when keyhole, make bayonet (902) on the second movable part (900) on unlock shift fork (4)
Fixture block (41) be detached from cooperation spring.
13. a kind of single keyhole lock core for preventing from unlocking by force by fractureing lock core according to claim 1, feature
It is：Place opposite with the groove (13) position is set on first lock gall (21) the first lock gall of upper edge (21) the pivot center direction
There is the second groove (212) of the broken positions as first lock gall (21).
14. a kind of single keyhole lock core for preventing from unlocking by force by fractureing lock core according to claim 1, feature
It is：The bore dia of first lock hole (71) is less than the bore dia of the second lock hole (72), second lock hole (72)
In be provided with the second mobile beads (76), the diameter of second mobile beads (76) is more than the Kong Zhi of first lock hole (71)
Diameter, is fixedly installed envelope pearl (77) in second lock hole (72), when normal condition the envelope pearl (77), top pressure spring
(75), the second mobile beads (76), activity card bead (74) are arranged in order in the second lock hole (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810432850.7A CN108487784B (en) | 2018-05-08 | 2018-05-08 | Single-keyhole lock cylinder capable of preventing forced unlocking by breaking lock cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810432850.7A CN108487784B (en) | 2018-05-08 | 2018-05-08 | Single-keyhole lock cylinder capable of preventing forced unlocking by breaking lock cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108487784A true CN108487784A (en) | 2018-09-04 |
| CN108487784B CN108487784B (en) | 2023-10-13 |
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ID=63354154
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810432850.7A Active CN108487784B (en) | 2018-05-08 | 2018-05-08 | Single-keyhole lock cylinder capable of preventing forced unlocking by breaking lock cylinder |
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| Country | Link |
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| CN (1) | CN108487784B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2591154A (en) * | 2020-01-18 | 2021-07-21 | Zhong Shan City Jixin Core Lock Co Ltd | Vandal-resistant self-locking door cylinder |
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| GB2591154A (en) * | 2020-01-18 | 2021-07-21 | Zhong Shan City Jixin Core Lock Co Ltd | Vandal-resistant self-locking door cylinder |
| GB2591154B (en) * | 2020-01-18 | 2022-02-09 | Zhong Shan City Jixin Core Lock Co Ltd | Vandal-resistant self-locking door cylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108487784B (en) | 2023-10-13 |
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