CN212336923U - Internal and external handle linkage type anti-theft door lock core - Google Patents

Abstract

The utility model relates to an inner and outer handle linkage type anti-theft door lock core, which comprises an outer handle, an inner handle, an outer handle linkage shaft, an inner handle linkage shaft, a lock core shell, a lock core rotor, a lock core thumb wheel and a clutch device, wherein the lock core rotor is rotatablely sheathed in the lock core shell, the lock core thumb wheel is sheathed outside the lock core rotor, the inner handle and the outer handle are respectively arranged at the inner side and the outer side of the lock core shell, one end of the inner handle linkage shaft is connected with the inner handle, the other end of the inner handle linkage shaft extends into the lock core shell and is connected with one end of the lock core rotor, one end of the outer handle linkage shaft is connected with the outer handle, the other end of the outer handle linkage shaft extends into, and one end of the inner handle linkage shaft, which stretches into the lock cylinder shell, is axially fixed on the lock cylinder shell through a first snap spring, and one end of the outer handle linkage shaft, which stretches into the lock cylinder shell, is axially fixed on the lock cylinder shell through a second snap spring. The device has the advantages of reliable structure, safe use, good convenience, strong universality and the like.

Description

Internal and external handle linkage type anti-theft door lock core

Technical Field

The utility model relates to a lock core especially relates to an inside and outside handle coordinated type burglary-resisting door lock core.

Background

The anti-theft door is a door which is provided with an anti-theft lock, can resist abnormal opening under certain conditions within a certain time, has certain safety protection performance and accords with corresponding anti-theft safety level. In the case of a security door, although the robustness of the door panel is particularly important, the core component ensuring the security performance of the security door is still a security lock, more specifically, a lock cylinder in the security lock, and therefore, the structural design of the lock cylinder is particularly critical. However, the existing anti-theft door lock core has the following defects in design:

firstly, can not realize the linkage of inside and outside handle, lead to when all being provided with the electron unlocking module on inside and outside handle, generally can only set up a corresponding control panel respectively in respective handle inside, and can not pass through wire connection shared control panel with the electron unlocking module on two handles, otherwise connecting wire is twisted on by the rotation operation of inside and outside handle or twist off easily, and then influences the reliability of line transmission.

Secondly, generally can only adapt to the door plant of a thickness specification, after the door body thickness changes, just can only change the lock core of another kind of size specification, consequently use comparatively to limit, commonality and practicality are relatively poor.

Thirdly, the clutch structure is unreasonable in design, and the clutch structure mainly has two design modes: one is an external clutch mode, namely a clutch component is arranged in a protective shell between a lock cylinder shell and an external handle, and a driving motor, a circuit control board and the like of the clutch component are arranged in the external handle; the other kind is interior separation and reunion mode, will separate and reunion part and driving motor etc. and wholly put into in the lock core casing, because the lock core casing is the embedding in the internal portion of door under this condition, so can avoid lawless persons to carry out the destructiveness and unblank through aforementioned mode, thereby improve the security performance of lock, but this kind of separation and reunion mode has also brought the problem that lock core casing inner space is occupied by separation and reunion part and driving motor etc. by a wide margin, lead to then that there is not enough space to design mechanical unlocking structure inside the lock core casing, for this reason there is the defect that can not adopt the mechanical key to carry out emergent unblanking, the function is single, user's diversified.

Fourthly, when in daily shutting state, its interior lock core rotor is generally in by the restriction pivoted state, if meet external powerful wrench movement outside handle this moment, can produce the spacing part of lock core rotor and destroy, then lead to the lock core control to lose efficacy and by illegal opening, then can cause the spacing part card to die and can't normally open the burglary-resisting door lock again, have great potential safety hazard seriously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of above-mentioned prior art, provide an inside and outside handle coordinated type burglary-resisting door lock core that the structure is reliable, safe in utilization, convenience are good, the commonality is strong.

The purpose of the utility model is realized through the following technical scheme:

an inner and outer handle linkage type anti-theft door lock core comprises an outer handle, an inner handle, an outer handle linkage shaft, an inner handle linkage shaft, a lock core shell, a lock core rotor, a lock core poking wheel and a clutch device, wherein the lock core rotor is rotatably sleeved in the lock core shell, the lock core poking wheel is sleeved outside the lock core rotor, an opening is hollowed in a position, corresponding to the lock core poking wheel, on the lock core shell, the clutch device is used for enabling the lock core poking wheel to be in a joint or separation state with the lock core rotor, the inner handle and the outer handle are respectively arranged on the inner side and the outer side of the lock core shell, one end of the inner handle linkage shaft is connected with the inner handle, the other end of the inner handle linkage shaft extends into the lock core shell and is connected with one end of the lock core rotor, one end of the outer handle linkage shaft is connected with the outer handle, and the other end of the outer handle linkage shaft extends into the lock core shell and is connected with, and one end of the inner handle linkage shaft extending into the lock cylinder shell is axially fixed on the lock cylinder shell through a first snap spring, and one end of the outer handle linkage shaft extending into the lock cylinder shell is axially fixed on the lock cylinder shell through a second snap spring.

Furthermore, one end of the lock cylinder rotor, which is connected with the inner handle linkage shaft, is provided with at least two first clamping blocks which are distributed along the circumferential direction, and one end of the inner handle linkage shaft, which is connected with the lock cylinder rotor, is provided with at least two first clamping grooves which are correspondingly clamped with the first clamping blocks; and one end of the lock cylinder rotor, which is connected with the outer handle linkage shaft, is provided with at least two second clamping blocks distributed along the circumferential direction, and one end of the outer handle linkage shaft, which is connected with the lock cylinder rotor, is provided with at least two second clamping grooves correspondingly clamped with the second clamping blocks.

Furthermore, a first annular limiting groove is formed in the outer wall of one end, extending into the lock cylinder shell, of the inner handle linkage shaft, a second annular limiting groove is formed in the position, corresponding to the first annular limiting groove, of the lock cylinder shell, and the first clamp spring is clamped into the first annular limiting groove and the second annular limiting groove; the outer handle universal driving shaft stretches into be equipped with third annular spacing groove on the one end outer wall in the lock core casing, the position that corresponds on the lock core casing third annular spacing groove is equipped with fourth annular spacing groove, the second jump ring card is gone into third annular spacing groove with fourth annular spacing inslot.

Furthermore, one end of the inner handle linkage shaft, which is connected with the inner handle, is provided with a plurality of first fixing holes which are distributed at intervals along the axial direction, the inner handle is provided with second fixing holes, the inner handle is sleeved outside the inner handle linkage shaft, and the second fixing holes are fixedly connected with the corresponding first fixing holes through screws; the outer handle universal driving shaft is characterized in that one end of the outer handle universal driving shaft, which is connected with the outer handle, is provided with a plurality of third fixing holes which are distributed at intervals along the axial direction, the outer handle is provided with a fourth fixing hole, the outer handle is sleeved on the outer handle universal driving shaft, and the fourth fixing hole is fixedly connected with the corresponding third fixing hole through screws.

Furthermore, the clutch device comprises a clutch rotor, a clutch roller and a clutch driving mechanism, the clutch rotor is rotatably sleeved in the lock cylinder rotor, a roller groove is arranged on the peripheral wall of the lock cylinder rotor, the clutch roller is movably arranged in the roller groove, a convex part and a concave part which are matched with the inner side of the clutch roller in an abutting mode are arranged on the peripheral surface of the clutch rotor, a clamping groove which is matched with the outer side of the clutch roller in a clutch mode is arranged on the inner peripheral surface of the lock cylinder thumb wheel, the clutch driving mechanism is used for driving the clutch rotor to do clutch rotation motion, when the clutch rotor rotates to match with the inner side of the clutch roller in an abutting mode, the outer side of the clutch roller is clamped into the clamping groove on the inner peripheral surface of the lock cylinder thumb wheel so that the lock cylinder thumb wheel is in a joint state with the lock cylinder rotor, when the clutch rotor rotates to enable the sunken part to be matched with the inner side of the clutch roller in an abutting mode, the outer side of the clutch roller is separated from the clamping groove in the inner circumferential surface of the lock cylinder shifting wheel, and the lock cylinder shifting wheel and the lock cylinder rotor are in a separated state.

Furthermore, separation and reunion actuating mechanism includes separation and reunion driving lever, driving lever torsional spring, driving lever transmission cover, driving motor and control mainboard, driving motor and driving lever transmission cover all set up in the interior handle, the control mainboard is used for controlling driving motor's operation, driving lever transmission cover with driving motor's output links to each other, separation and reunion driving lever one end with clutch rotor transmission is connected, the other end with driving lever transmission cover links to each other, driving lever torsional spring one end is fixed on the separation and reunion driving lever, the other end is fixed on the clutch rotor.

Furthermore, the clutch driving mechanism further comprises a mechanical lock head, the mechanical lock head is rotatably arranged inside the lock cylinder rotor and located on one side, back to the clutch shift lever, of the clutch rotor, a clutch shift block in transmission connection with the clutch rotor is arranged at one end, facing the clutch rotor, of the mechanical lock head, a key jack facing an opening of the outer handle linkage shaft and a blade mounting groove vertically communicated with the key jack are further arranged on the mechanical lock head, an unlocking blade and a blade spring are arranged in the blade mounting groove, a blade limiting groove used for being matched with the unlocking blade is arranged on the inner peripheral wall of the lock cylinder rotor, a key socket is arranged on the outer handle, and a key through hole used for axially communicating the key jack with the key socket is formed in the outer handle linkage shaft.

Furthermore, one end of the clutch rotor facing the clutch shift lever is provided with a first transmission connecting hole, one end of the clutch rotor facing the clutch shift block is provided with a second transmission connecting hole, the first transmission connecting hole is internally provided with at least one group of first transmission surface and first limit surface which are arranged oppositely along the circumferential direction, the second transmission connecting hole is internally provided with at least one group of second transmission surface and second limit surface which are arranged oppositely along the circumferential direction, the clutch shift lever extends into the first transmission connecting hole and is matched with the first transmission surface in an abutting mode, the clutch shift block extends into the second transmission connecting hole and is matched with the second transmission surface in an abutting mode, when the clutch rotor does clutch rotation movement according to the shifting of the clutch shift lever, one end of the clutch rotor facing the clutch shift block rotates freely relative to the clutch shift block in an area limited between the second transmission surface and the second limit surface, when the clutch rotor rotates in a clutch mode according to shifting of the clutch shifting block, one end, facing the clutch shifting rod, of the clutch rotor idles in an area defined between the first transmission surface and the first limiting surface relative to the clutch shifting rod.

Furthermore, a shifting rod limiting sleeve is further arranged in the inner handle, a through hole for the clutch shifting rod to pass through is formed in the shifting rod limiting sleeve, and a first limiting stopping part and a second limiting stopping part for limiting the clutch rotating angle of the clutch shifting rod are arranged on the inner peripheral wall of the through hole; and one end of the lock cylinder rotor, which is close to the inner handle linkage shaft, is provided with a third limiting stopping part and a fourth limiting stopping part which are used for limiting the clutch rotation angle of the clutch rotor, and one end of the lock cylinder rotor, which is close to the outer handle linkage shaft, is provided with a fifth limiting stopping part and a sixth limiting stopping part which are used for limiting the clutch rotation angle of the mechanical lock head.

Further, a key input module electrically connected with the control main board through a wire is arranged on the outer handle, a switch button electrically connected with the control main board is arranged on the inner handle, a lithium battery and a charging board electrically connected with the control main board are also arranged in the inner handle, and a charging interface exposed out of the inner handle is arranged on the charging board; the lock core is characterized in that a first wiring groove is formed in the outer wall of the outer handle linkage shaft in the axial direction, a second wiring groove is formed in the outer wall of the lock core rotor in the axial direction, a third wiring groove is formed in the outer wall of the inner handle linkage shaft in the axial direction, and the first wiring groove, the second wiring groove and the third wiring groove are axially communicated.

Compared with the prior art, the utility model discloses following beneficial effect has:

first, the utility model discloses the linkage of inside and outside handle can be realized to the burglary-resisting door lock core, and inside and outside handle can rotate in step promptly, and the connecting wire of electronic parts can not receive twisting when handle rotation operation between the inside and outside handle when consequently can ensure to use, prevents then that the wire from turning round the phenomenon of losing, for this, has improved the reliability of structure greatly.

Secondly, the utility model discloses the axial position of outer handle and interior handle is adjustable, consequently makes this burglary-resisting door lock core applicable in the installation user demand of various different thickness door plants to have advantages such as application range is wide, commonality and practicality are strong.

Furthermore, the utility model discloses the burglary-resisting door lock core adopts radial separation and reunion mode, can realize in a less space that the electron unblanks and the emergent two kinds of functions of unblanking of mechanical key, consequently not only is favorable to reducing the volume of lock core, makes its and more burglary-resisting door locks on the existing market match, owing to have two kinds of functions of unblanking concurrently moreover, so use convenient and reliable more.

Then, the utility model discloses the burglary-resisting door lock core is with the clutch rotor, clutch parts such as separation and reunion roller set up in the lock core casing, the driving motor who will be used for driving clutch parts, electronic drive parts such as control mainboard set up in the internal side of door internal side's interior handle, thereby on the one hand can avoid clutch parts and electronic drive parts to expose in the external side of door, prevent that lawless persons from unblanking through destructive means, then improve the security performance of burglary-resisting door lock core, on the other hand can ensure to leave sufficient space in the lock core casing and design mechanical unlocking structure, then created the advantage for the burglary-resisting door lock core increases the emergent function of unblanking of mechanical key.

Finally, the utility model discloses the burglary-resisting door lock core can also be when separation and reunion structure is in the detached state, no matter be rotatory outer handle or rotatory interior handle, can all realize except that 360 degrees free idle running of all parts of lock core casing and lock core thumb wheel to prevent the illegal of causing under the external powerful wrench movement outer handle condition and unblank or to the harm of lock core internals such as lock core rotor, eliminate the potential safety hazard.

Drawings

Fig. 1 is a schematic perspective view of the lock core of the anti-theft door of the present invention.

Fig. 2 is a schematic top view of the lock core of the anti-theft door of the present invention.

Fig. 3 is a schematic sectional view a-a in fig. 2.

Fig. 4 is an exploded schematic view of the lock core of the anti-theft door of the present invention.

Fig. 5 is a left side exploded view of the lock cylinder housing and its internal components of the present invention.

Fig. 6 is a right-side exploded view of the lock cylinder housing and its inner members of the present invention.

Fig. 7 is an exploded view of the middle cylinder rotor and the inner mechanical lock of the middle cylinder rotor of the present invention.

Fig. 8 is a left perspective view of the clutch rotor of the present invention.

Fig. 9 is a schematic right-view perspective view of the clutch rotor of the present invention.

Fig. 10 is an exploded view of the inner handle mandrel and its inner member of the present invention.

Fig. 11 is a schematic structural view of the middle shift lever stop collar of the present invention.

Fig. 12 is an exploded view of the outer handle and the outer handle spindle of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments shown in the drawings.

As shown in fig. 1 to 12, the internal and external handle linkage type security door lock cylinder according to this embodiment includes an external handle 1, an internal handle 2, an external handle linkage shaft 3, an internal handle linkage shaft 4, a lock cylinder housing 5, a lock cylinder rotor 6, a lock cylinder dial wheel 7 and a clutch device 8, the lock cylinder rotor 6 is rotatably sleeved in the lock cylinder housing 5, the lock cylinder dial wheel 7 is sleeved outside the lock cylinder rotor 6, an opening 501 is hollowed at a position on the lock cylinder housing 5 corresponding to the lock cylinder dial wheel 7, the opening 501 is used for allowing a dial portion of the lock cylinder dial wheel 7 to be screwed out of the lock cylinder housing 5 when a lock is opened or closed, and the clutch device 8 is used for enabling the lock cylinder dial wheel 7 and the lock cylinder rotor 6 to be in a joint or separate state.

Furthermore, an inner handle 2 and an outer handle 1 are respectively arranged on the inner side and the outer side of the lock cylinder shell 5, one end of an inner handle linkage shaft 4 is connected with the inner handle 2, the other end of the inner handle linkage shaft 4 extends into the lock cylinder shell 5 to be connected with one end of the lock cylinder rotor 6, one end of an outer handle linkage shaft 3 is connected with the outer handle 1, and the other end of the outer handle linkage shaft 3 extends into the lock cylinder shell 5 to be connected with the other end of the lock cylinder rotor 6. This structural design makes the utility model discloses the interior outer handle of burglary-resisting door lock core can form the linkage, no matter be rotatory interior handle or outer handle during the use, another handle all can rotate thereupon in step, so, when all being provided with electronic parts and when connecting through the wire between the two electronic parts on interior outer handle, can avoid the wire to suffer the turn round loss when handle rotation operation to the circuit transmission of electronic parts provides the advantage on interior outer handle.

And, the one end that stretches into lock core casing 5 of interior handle universal driving shaft 4 still is fixed in lock core casing 5 through first jump ring 400 axial, and the one end that stretches into lock core casing 5 of outer handle universal driving shaft 3 still is fixed in lock core casing 5 through second jump ring 300 axial. This structural design prevents the inner and outer handle linkages 4, 3 from axially disengaging from the cylinder housing 5 and also allowing rotation relative to the cylinder housing 5 during lock opening and closing operations.

Preferably, one end of the lock cylinder rotor 6, which is connected with the inner handle linkage shaft 4, is provided with at least two first clamping blocks 601 distributed along the circumferential direction, and one end of the inner handle linkage shaft 4, which is connected with the lock cylinder rotor 6, is provided with at least two first clamping grooves 401 correspondingly clamped with the first clamping blocks 601, so that the connection between the inner handle linkage shaft 4 and the lock cylinder rotor 6 is realized; at least two second clamping blocks 602 distributed along the circumferential direction are arranged at one end of the lock cylinder rotor 6 connected with the outer handle linkage shaft 3, at least two second clamping grooves 301 correspondingly clamped with the second clamping blocks 602 are arranged at one end of the outer handle linkage shaft 3 connected with the lock cylinder rotor 6, and therefore the connection of the outer handle linkage shaft 3 and the lock cylinder rotor 6 is achieved.

Preferably, a first annular limiting groove 402 is formed in the outer wall of one end, extending into the lock cylinder shell 5, of the inner handle linkage shaft 4, a second annular limiting groove 502 is formed in the position, corresponding to the first annular limiting groove 402, on the lock cylinder shell 5, and the first clamp spring 400 is clamped into the first annular limiting groove 402 and the second annular limiting groove 502; a third annular limiting groove 302 is formed in the outer wall of one end, extending into the lock cylinder shell 5, of the outer handle linkage shaft 3, a fourth annular limiting groove 503 is formed in the position, corresponding to the third annular limiting groove 302, of the lock cylinder shell 5, and the second clamp spring 300 is clamped into the third annular limiting groove 302 and the fourth annular limiting groove 503.

Furthermore, one end of the inner handle linkage shaft 4 connected with the inner handle 2 is provided with a plurality of first fixing holes 403 which are distributed at intervals along the axial direction, the inner handle 2 is provided with second fixing holes 201, the inner handle 2 is sleeved outside the inner handle linkage shaft 4, and the second fixing holes 201 are fixedly connected with the corresponding first fixing holes 403 through screws 14; one end of the outer handle linkage shaft 3, which is connected with the outer handle 1, is provided with a plurality of third fixing holes 303 which are distributed at intervals along the axial direction, the outer handle 1 is provided with a fourth fixing hole 101, the outer handle 1 is sleeved outside the outer handle linkage shaft 3, and the fourth fixing hole 101 is fixedly connected with the corresponding third fixing hole 303 through a screw 13. This structural design can realize the adjustment of inside and outside handle axial position, specifically: when the axial position of the inner handle 2 needs to be adjusted, only the screw 14 needs to be loosened, the inner handle 2 is moved to the required position, and then the screw 14 is fixed in the first fixing hole 403 corresponding to the required position, and when the axial position of the outer handle 1 needs to be adjusted, only the screw 13 needs to be loosened, the outer handle 1 is moved to the required position, and then the screw 13 is fixed in the third fixing hole 303 corresponding to the required position.

In this embodiment, the clutch device 8 includes a clutch rotor 81, a clutch roller 82 and a clutch driving mechanism 83, the clutch rotor 81 is rotatably sleeved inside the lock cylinder rotor 6, a roller groove 603 is provided on the peripheral wall of the lock cylinder rotor 6, the clutch roller 82 is movably disposed in the roller groove 603, a protrusion 811 and a recess 812 for abutting against the inside of the clutch roller 82 are provided on the peripheral surface of the clutch rotor 81, a slot 701 for engaging with the outside of the clutch roller 82 is provided on the inner peripheral surface of the lock cylinder thumb wheel 7, the clutch driving mechanism 83 is configured to drive the clutch rotor 81 to perform a clutch rotation motion, when the clutch rotor 81 rotates to abut against the inside of the clutch roller 82 with the protrusion 811, the outside of the clutch roller 82 is engaged with the slot 701 on the inner peripheral surface of the lock cylinder thumb wheel 7 to make the lock cylinder thumb wheel 7 and the lock cylinder rotor 6 in an engaged state, when the clutch rotor 81 rotates to abut against the inside of the clutch roller 82 with the, the outer side of the clutch roller 82 is separated from a clamping groove 701 on the inner circumferential surface of the lock cylinder thumb wheel 7, so that the lock cylinder thumb wheel 7 and the lock cylinder rotor 6 are in a separated state.

Further, clutch driving mechanism 83 includes clutch driving lever 831, driving lever torsional spring 832, driving lever transmission cover 833, driving motor 834 and control mainboard 835, driving motor 834 and driving lever transmission cover 833 all set up in interior handle 2, control mainboard 835 is used for controlling driving motor 834's operation, driving lever transmission cover 833 links to each other with driving motor 834's output, clutch driving lever 831 one end is connected with clutch rotor 81 transmission, the other end links to each other with driving lever transmission cover 833, driving lever 832 one end is fixed on clutch driving lever 831, the other end is fixed on clutch rotor 81.

Furthermore, the clutch driving mechanism 83 further includes a mechanical lock head 836, the mechanical lock head 836 is rotatably disposed inside the lock cylinder rotor 6 and located on a side of the clutch rotor 81 facing away from the clutch shift lever 831, a clutch shift block 8361 in transmission connection with the clutch rotor 81 is disposed at one end of the mechanical lock head 836 facing the clutch rotor 81, a key insertion hole 8362 facing the opening of the outer handle linkage shaft 3 and a blade installation groove 8363 vertically penetrating through the key insertion hole 8362 are further disposed on the mechanical lock head 836, an unlocking blade 8364 and a blade spring 8365 are disposed in the blade installation groove 8363, a blade limiting groove 604 for matching with the unlocking blade 8364 is disposed on the inner peripheral wall of the lock cylinder rotor 6, a key insertion hole 102 is disposed on the outer handle 1, and a key through hole 304 for axially communicating the key insertion hole 8362 with the key insertion hole 102 is disposed on the outer handle linkage shaft 3. In the locked state, the unlocking blade 8364 is locked in the blade retaining groove 604, so that the mechanical lock 836 cannot rotate, and when a key matched with the mechanical lock 836 is inserted into the key insertion hole 8362 from the key insertion hole 102 and the key through hole 304, the unlocking blade 8364 is separated from the blade retaining groove 604, so that the mechanical lock 836 is in an opened and rotatable state. Optionally, the unlocking blade structure in the embodiment can also be replaced by a conventional lock cylinder pin structure.

In this embodiment, a first transmission connection hole 813 is disposed at an end of the clutch rotor 81 facing the clutch shift lever 831, a second transmission connection hole 814 is disposed at an end of the clutch rotor 81 facing the clutch shift block 8361, at least one set of a first transmission surface 8131 and a first limit surface 8132 are disposed in the first transmission connection hole 813 in a circumferential direction, at least one set of a second transmission surface 8141 and a second limit surface 8142 are disposed in the second transmission connection hole 814 in a circumferential direction, the clutch shift lever 831 extends into the first transmission connection hole 813 and is in abutting engagement with the first transmission surface 8131, the clutch shift block 8361 extends into the second transmission connection hole 814 and is in abutting engagement with the second transmission surface 8141, when the clutch rotor 81 rotates in a clutch manner according to the shifting of the clutch shift lever 831, an end of the clutch rotor 81 facing the clutch shift block 8361 rotates within a region defined between the second transmission surface 8141 and the second limit surface, when the clutch rotor 81 rotates in a clutching manner according to the shifting of the clutch shifting block 8361, an end of the clutch rotor 81 facing the clutch shifting lever 831 idles relative to the clutch shifting lever 831 in an area defined between the first transmission surface 8131 and the first limiting surface 8132. This structural design can make the utility model discloses mutual noninterference between the electronic separation and reunion unlocking operation of burglary-resisting door lock core and the mechanical key separation and reunion unlocking operation to improve the reliability of structure.

In this embodiment, a driving lever limiting sleeve 837 is further disposed in the inner handle 2, a through hole 8370 through which the clutch driving lever 831 passes is disposed on the driving lever limiting sleeve 837, and a first limiting stopper 8371 and a second limiting stopper 8372 for limiting the clutch rotation angle of the clutch driving lever 831 are disposed on the inner peripheral wall of the through hole 8370; one end of the key cylinder rotor 6 close to the inward handle linkage shaft 4 is provided with a third limiting stopping portion 605 and a fourth limiting stopping portion 606 for limiting the clutch rotation angle of the clutch rotor 81, one end of the key cylinder rotor 6 close to the outward handle linkage shaft 3 is provided with a fifth limiting stopping portion 607 and a sixth limiting stopping portion 608 for limiting the clutch rotation angle of the mechanical lock head 836, correspondingly, the clutch rotor 81 is provided with a first limiting convex portion 815 which is matched with the third limiting stopping portion 605 and the fourth limiting stopping portion 606 in a stopping manner, and the mechanical lock head 836 is provided with a second limiting convex portion 8366 which is matched with the fifth limiting stopping portion 607 and the sixth limiting stopping portion 608 in a stopping manner.

In this embodiment, the outer handle 1 is provided with a key input module 9 electrically connected to the control main board 835 through a conductive wire, and the key input module 9 is used for a user to input a clutch control signal to the control main board 835 outside the door body, so as to control the driving motor 834 to drive the clutch rotor 81 to perform a clutch rotation motion. The inner handle 2 is provided with a switch button 10 electrically connected with the control main board 835, and the switch button 10 is used for a user to input a clutch control signal to the control main board 835 in the door body, so as to control the driving motor 834 to drive the clutch rotor 81 to perform clutch rotation motion. Still be equipped with in the interior handle 2 with control mainboard 835 electric connection's lithium cell 11 and charging panel 12, be equipped with on the charging panel 12 and expose in interior handle 2 the interface 121 that charges, lithium cell 11 is used for providing working power supply for control mainboard 835 and driving motor 834, and charging panel 12 is used for charging for lithium cell 11 with the interface 121 that charges.

Meanwhile, for convenience of wiring, a first wiring groove 305 is axially formed in the outer wall of the outer handle linkage shaft 3, a second wiring groove 609 is axially formed in the outer wall of the lock cylinder rotor 6, a third wiring groove 404 is axially formed in the outer wall of the inner handle linkage shaft 4, and the first wiring groove 305, the second wiring groove 609 and the third wiring groove 404 are axially communicated.

In this example, the key insertion opening 102 is provided in an end wall of the outer handle 1 remote from the cylinder case 5, and in order to prevent foreign matter from entering the key insertion opening 102 when not in use, a cover plate 103 for closing the key insertion opening 102 and being openable when in use is provided in the end wall of the outer handle 1.

As mentioned above, the utility model relates to an inside and outside handle coordinated type pickproof lock's theory of operation as follows:

when the door is unlocked outside: on one hand, a user can input a clutch control signal to the control main board 835 through the key input module 9 on the outer handle 1, and then control the driving motor 834 to drive the clutch shift lever 831 to rotate clockwise, so that the clutch rotor 81 rotates to abut against and match the inner side of the clutch roller 82 through the convex portion 811, then the outer side of the clutch roller 82 is clamped into the clamping groove 701 on the inner circumferential surface of the lock cylinder shift wheel 7, and the lock cylinder shift wheel 7 and the lock cylinder rotor 6 are in a joint state, at this time, the outer handle 1 is rotated, so that the lock cylinder rotor 6 and the lock cylinder shift wheel 7 can be sequentially driven through the outer handle mandrel 3, and the lock cylinder shift wheel 7 drives the lock tongue part matched with the lock; on the other hand, a user can also unlock the lock by a matched mechanical key, namely, the key is inserted into a key jack 8362 of a mechanical lock 836 from a key socket 102 and a key through hole 304, so that the mechanical lock 836 is in an opened and rotatable state, then the mechanical lock 836 is rotated clockwise by the key to enable a clutch rotor 81 to rotate to be in abutting fit with the inner side of a clutch roller 82 by a convex part 811, then the outer side of the clutch roller 82 is clamped into a clamping groove 701 on the inner circumferential surface of a lock cylinder thumb wheel 7, and the lock cylinder thumb wheel 7 and the lock cylinder rotor 6 are in a joint state, at the moment, the outer handle 1 is rotated, so that the lock cylinder rotor 6 and the lock cylinder thumb wheel 7 can be sequentially driven by the outer handle mandrel 3, and the lock cylinder thumb wheel 7 drives a.

When the door is unlocked: the user can input a clutch control signal to the control mainboard 835 through the switch button 10, and then control the driving motor 834 to drive the clutch shift lever 831 to rotate clockwise, so that the clutch rotor 81 rotates to abut against and cooperate with the inner side of the clutch roller 82 through the protrusion 811, then the outer side of the clutch roller 82 is clamped into the clamping groove 701 on the inner circumferential surface of the lock cylinder shift wheel 7, and the lock cylinder shift wheel 7 and the lock cylinder rotor 6 are in a joint state, at this time, the inner handle 2 is rotated again, the lock cylinder rotor 6 and the lock cylinder shift wheel 7 can be sequentially driven through the inner handle mandrel 4, and the lock cylinder shift wheel 7 drives the lock tongue component matched with the lock cylinder to complete the unlocking action.

The above mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention can not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still included in the scope of the present invention.

Claims (10)

1. The utility model provides an inside and outside handle coordinated type burglary-resisting door lock core, includes outer handle, interior handle, outer handle universal driving shaft, interior handle universal driving shaft, lock core casing, lock core rotor, lock core thumb wheel and clutch, the lock core rotor rotationally the suit is in the lock core casing, lock core thumb wheel overcoat in the lock core rotor, the position fretwork that corresponds on the lock core casing lock core thumb wheel is equipped with the opening, clutch is used for making lock core thumb wheel with the lock core rotor is joint or separation state, its characterized in that: the lock core comprises a lock core shell, an inner handle, an outer handle, an inner handle linkage shaft, an outer handle and an outer handle, wherein the inner handle and the outer handle are respectively arranged on the inner side and the outer side of the lock core shell, one end of the inner handle linkage shaft is connected with the inner handle, the other end of the inner handle linkage shaft extends into the lock core shell and is connected with one end of a lock core rotor, one end of the outer handle linkage shaft is connected with the outer handle, the other end of the outer handle linkage shaft extends into the lock core shell and is connected with the other end of the lock core rotor, one end of the inner handle linkage shaft extends into the lock core shell is axially fixed on the lock core shell through a first clamp spring, and one end of the outer handle linkage shaft extends into the lock core shell is axially fixed on the.

2. The internal and external handle linkage type anti-theft door lock core according to claim 1, characterized in that: one end of the lock cylinder rotor, which is connected with the inner handle linkage shaft, is provided with at least two first clamping blocks which are distributed along the circumferential direction, and one end of the inner handle linkage shaft, which is connected with the lock cylinder rotor, is provided with at least two first clamping grooves which are correspondingly clamped with the first clamping blocks; and one end of the lock cylinder rotor, which is connected with the outer handle linkage shaft, is provided with at least two second clamping blocks distributed along the circumferential direction, and one end of the outer handle linkage shaft, which is connected with the lock cylinder rotor, is provided with at least two second clamping grooves correspondingly clamped with the second clamping blocks.

3. The internal and external handle linkage type anti-theft door lock core according to claim 1, characterized in that: a first annular limiting groove is formed in the outer wall of one end, extending into the lock cylinder shell, of the inner handle linkage shaft, a second annular limiting groove is formed in the position, corresponding to the first annular limiting groove, on the lock cylinder shell, and the first clamp spring is clamped into the first annular limiting groove and the second annular limiting groove; the outer handle universal driving shaft stretches into be equipped with third annular spacing groove on the one end outer wall in the lock core casing, the position that corresponds on the lock core casing third annular spacing groove is equipped with fourth annular spacing groove, the second jump ring card is gone into third annular spacing groove with fourth annular spacing inslot.

4. The inner and outer handle linkage type anti-theft door lock core according to claim 1, 2 or 3, characterized in that: one end of the inner handle linkage shaft, which is connected with the inner handle, is provided with a plurality of first fixing holes which are distributed at intervals along the axial direction, the inner handle is provided with second fixing holes, the inner handle is sleeved outside the inner handle linkage shaft, and the second fixing holes are fixedly connected with the corresponding first fixing holes through screws; the outer handle universal driving shaft is characterized in that one end of the outer handle universal driving shaft, which is connected with the outer handle, is provided with a plurality of third fixing holes which are distributed at intervals along the axial direction, the outer handle is provided with a fourth fixing hole, the outer handle is sleeved on the outer handle universal driving shaft, and the fourth fixing hole is fixedly connected with the corresponding third fixing hole through screws.

5. The internal and external handle linkage type anti-theft door lock core according to claim 4, characterized in that: the clutch device comprises a clutch rotor, a clutch roller and a clutch driving mechanism, the clutch rotor is rotatably sleeved inside the lock cylinder rotor, a roller groove is arranged on the peripheral wall of the lock cylinder rotor, the clutch roller is movably arranged in the roller groove, a protruding part and a recessed part which are used for abutting against the inner side of the clutch roller and are matched with each other are arranged on the peripheral surface of the clutch rotor, a clamping groove which is used for abutting against and matching with the outer side of the clutch roller is arranged on the inner peripheral surface of the lock cylinder thumb wheel, the clutch driving mechanism is used for driving the clutch rotor to do clutch rotation motion, when the clutch rotor rotates to abut against and match with the inner side of the clutch roller by the protruding part, the outer side of the clutch roller is clamped into the clamping groove on the inner peripheral surface of the lock cylinder thumb wheel to enable the lock cylinder thumb wheel to be in a joint state with the lock cylinder rotor, and when the clutch rotor rotates to abut against, the outer side of the clutch roller is separated from a clamping groove on the inner peripheral surface of the lock cylinder shifting wheel, so that the lock cylinder shifting wheel and the lock cylinder rotor are in a separated state.

6. The internal and external handle linkage type anti-theft door lock core according to claim 5, characterized in that: clutch actuating mechanism includes separation and reunion driving lever, driving lever torsional spring, driving lever transmission cover, driving motor and control mainboard, driving motor and driving lever transmission cover all set up in the interior handle, the control mainboard is used for control driving motor's operation, driving lever transmission cover with driving motor's output links to each other, separation and reunion driving lever one end with clutch rotor transmission is connected, the other end with driving lever transmission cover links to each other, driving lever torsional spring one end is fixed on the separation and reunion driving lever, the other end is fixed clutch rotor is last.

7. The internal and external handle linkage type anti-theft door lock core according to claim 6, characterized in that: the clutch driving mechanism further comprises a mechanical lock head, the mechanical lock head is rotatably arranged inside the lock cylinder rotor and located on one side, facing away from the clutch driving rod, of the clutch rotor, a clutch shifting block in transmission connection with the clutch rotor is arranged at one end, facing the clutch rotor, of the mechanical lock head, a key jack facing an opening of the outer handle linkage shaft and a blade mounting groove vertically communicated with the key jack are further arranged on the mechanical lock head, an unlocking blade and a blade spring are arranged in the blade mounting groove, a blade limiting groove matched with the unlocking blade is formed in the inner peripheral wall of the lock cylinder rotor, a key socket is formed in the outer handle, and a key through hole for axially communicating the key jack with the key socket is formed in the outer handle linkage shaft.

8. The internal and external handle linkage type anti-theft door lock core according to claim 7, characterized in that: a first transmission connecting hole is formed in one end, facing the clutch shifting lever, of the clutch rotor, a second transmission connecting hole is formed in one end, facing the clutch shifting block, of the clutch rotor, at least one group of first transmission surface and first limiting surface which are arranged oppositely along the circumferential direction are arranged in the first transmission connecting hole, at least one group of second transmission surface and second limiting surface which are arranged oppositely along the circumferential direction are arranged in the second transmission connecting hole, the clutch shifting lever extends into the first transmission connecting hole and is matched with the first transmission surface in an abutting mode, the clutch shifting block extends into the second transmission connecting hole and is matched with the second transmission surface in an abutting mode, and when the clutch rotor rotates in a clutch mode according to shifting of the clutch shifting lever, one end, facing the clutch shifting block, of the clutch rotor rotates freely relative to an area limited between the second transmission surface and the second limiting surface, when the clutch rotor rotates in a clutch mode according to shifting of the clutch shifting block, one end, facing the clutch shifting rod, of the clutch rotor idles in an area defined between the first transmission surface and the first limiting surface relative to the clutch shifting rod.

9. The internal and external handle linkage type anti-theft door lock core according to claim 7, characterized in that: a shifting rod limiting sleeve is further arranged in the inner handle, a through hole for the clutch shifting rod to pass through is formed in the shifting rod limiting sleeve, and a first limiting stopping part and a second limiting stopping part for limiting the clutch rotating angle of the clutch shifting rod are arranged on the inner peripheral wall of the through hole; and one end of the lock cylinder rotor, which is close to the inner handle linkage shaft, is provided with a third limiting stopping part and a fourth limiting stopping part which are used for limiting the clutch rotation angle of the clutch rotor, and one end of the lock cylinder rotor, which is close to the outer handle linkage shaft, is provided with a fifth limiting stopping part and a sixth limiting stopping part which are used for limiting the clutch rotation angle of the mechanical lock head.

10. The internal and external handle linkage type anti-theft door lock core according to claim 6, characterized in that: the outer handle is provided with a key input module electrically connected with the control main board through a wire, the inner handle is provided with a switch button electrically connected with the control main board, the inner handle is also internally provided with a lithium battery and a charging plate electrically connected with the control main board, and the charging plate is provided with a charging interface exposed out of the inner handle; the lock core is characterized in that a first wiring groove is formed in the outer wall of the outer handle linkage shaft in the axial direction, a second wiring groove is formed in the outer wall of the lock core rotor in the axial direction, a third wiring groove is formed in the outer wall of the inner handle linkage shaft in the axial direction, and the first wiring groove, the second wiring groove and the third wiring groove are axially communicated.

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