CN104790758B - A kind of based on the pick-proof lock spirally returning clutch module and bi-motor module - Google Patents
A kind of based on the pick-proof lock spirally returning clutch module and bi-motor module Download PDFInfo
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- CN104790758B CN104790758B CN201510223291.5A CN201510223291A CN104790758B CN 104790758 B CN104790758 B CN 104790758B CN 201510223291 A CN201510223291 A CN 201510223291A CN 104790758 B CN104790758 B CN 104790758B
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Abstract
The present invention provide a kind of based on the pick-proof lock spirally returning clutch module and bi-motor module it is characterised in that include：Lock body module, spirally return clutch module and bi-motor module；Wherein, spirally return clutch module to include：Ejector pin (207), ejector pin spring (208), ejector pin baffle ring (206), Internal handle revolving meber (205), square steel set (204), transmission component；Bi-motor module includes：Cover plate (301), two little gears (302), gear shaft (303), electric machine casing (304), two identical motors (305), torsionspring (306), circular arc pushing plate (307), front push pedal (308), rear push pedal (309) and cross bar (3010)；The pick-proof lock of the present invention is unidirectional unlocking, and in the case that front panel is removed and exposes lock body, lock body still cannot be opened, and improves the safety of door lock.
Description
Technical Field
The invention belongs to the technical field of products, and particularly relates to an anti-picking lock based on a spiral type back-engaging and disengaging module and a double-motor module.
Background
At present, the clutch mechanism of the electronic door lock on the market is mostly positioned on the front panel of the door lock or inside the lock body. The door lock with the clutch positioned on the front panel has a simple structure, but the door lock is easy to open when the front panel is damaged and the front panel is disassembled; the door lock body that the separation and reunion is located the lock body is inside, is the electric lock body, has signal line, power supply line on the lock body, and the installation of lock body is more troublesome, moreover because there is the joining of electric elements, the reliability of lock body descends. In the prior art, the lock body inner part is a stressed part for receiving the action of opening and closing the door, the stressed hole is square and is completely matched with square steel, when the front panel is damaged, the lock body is exposed, the square steel can be rotated to drive the lock body inner part to rotate, and unlocking is realized, so that the lock body can be easily opened, and the safety of the door lock is not high. In addition, in the motion of the motor pushing plate in the prior art, because the top end of the transverse shaft is a plane and the contact area with the spring wire is large, the situation that the transverse rod blocks the spring wire of the torsion spring can occur, the motor can not rotate, and the problem that the motor is stuck and burned out can occur.
Disclosure of Invention
In order to solve the problems, the invention provides an anti-picking lock based on a spiral type back clutch module and a double-motor module, the anti-picking lock is one-way unlocking, and under the condition that a front panel is disassembled to expose a lock body, the lock body still cannot be unlocked, so that the safety of a door lock is improved.
The invention relates to an anti-picking lock based on a spiral type back clutch module and a double-motor module, which comprises: the lock comprises a lock body module, a spiral type back-engaging and disengaging module and a double-motor module, wherein peripheral equipment comprises square steel, an inner handle and an outer handle; wherein,
the lock body module includes: the lock comprises a main lock tongue shifting block, an anti-prying sleeve, a main lock tongue shifting rod, a main lock tongue assembly, an oblique lock tongue connecting rod assembly, an oblique lock tongue shifting rod, an oblique lock tongue assembly, a lock body box, a cylindrical shaft and a torsion spring;
the main lock tongue shifting block is provided with a first extending arm A, a second extending arm B and a third extending arm C; a sleeve through hole is formed in the axial center of the main lock tongue shifting block, and an axial clamping groove matched with a transmission assembly of the spiral type back clutch module is formed in the inner circumferential surface of the main lock tongue shifting block; one end of the anti-prying sleeve is open, and the other end is closed; the main spring bolt deflector rod is provided with a fourth extending arm D, a fifth extending arm E, a sixth extending arm F, a second guide post and a central hole sleeve; a fixed cylinder is arranged on the fifth extending arm E; the main lock tongue assembly comprises a base, and a main lock tongue, a guide groove and a sliding groove which are arranged on the base; the latch bolt connecting rod component comprises a latch bolt connecting rod, a first guide groove and a second guide groove which are arranged on the latch bolt connecting rod, a cylinder and a shifting column; the shifting column is arranged at one end of the latch bolt connecting rod, and the latch bolt connecting rod is provided with a concave cambered surface structure at the side surface of the end where the shifting column is arranged; the inclined lock tongue deflector rod is provided with a seventh extending arm I, a clamping arm G and a central hole; an arm hole is formed in the seventh extending arm I; the lock body box is provided with a first guide post, a third guide post, a fourth guide post, a first mounting hole and a second mounting hole;
spiral clutch module that returns includes: the jacking pin, the jacking pin spring, the jacking pin baffle ring, the inner handle rotating member, the square steel sleeve and the transmission assembly;
the outer circumferential surface of the square steel sleeve is provided with a radial blind hole, and the end surface of the square steel sleeve is provided with a square steel hole; the outer circumferential surface of the square steel sleeve is also provided with a raised spiral structure, the tail end of the spiral structure forms a vertical step surface on the outer circumferential surface of the square steel sleeve, and the starting end of the spiral structure is in smooth transition with the inner side surface of the end cover of the square steel sleeve; the end face of the inner handle rotating member is provided with a step counter bore for mounting a square steel sleeve; a radial top pin hole is processed on the outer circumferential surface of the inner handle rotating piece and is communicated with the step counter bore; an inner handle rotating part spiral structure matched with the spiral structure of the square steel sleeve is arranged on the step surface of the step counter bore; square steel through holes are formed in the transmission assembly and the main lock tongue shifting block;
the dual motor module includes: the device comprises a cover plate, two pinions, a gear shaft, a motor shell, two identical motors, a torsion spring, an arc pushing plate, a front pushing plate, a rear pushing plate and a cross rod;
the gear shaft comprises a large gear and a shaft neck, and the large gear and the shaft neck are integrally designed; one end of the motor shell is provided with two motor mounting holes with the same shape as the motor and a second gear shaft hole matched with the gear shaft neck, the second gear shaft hole is positioned between the two motor mounting holes, the other end of the motor shell is provided with two motor shaft holes matched with a motor shaft of the motor, a first gear shaft hole matched with the top end of the gear shaft neck and a plurality of cover plate mounting holes, and the first gear shaft hole is positioned between the two motor shaft holes; the top end of the motor shell is open, and horizontal sliding grooves matched with the arc pushing plate rectangular plates are formed in two sides of the open motor shell; the center positions of the two pinions are respectively provided with a center hole sleeve matched with a motor shaft of the motor; the arc pushing plate comprises an arc plate, a rectangular plate, a front pushing plate and a rear pushing plate, the rectangular plate is fixed on the convex cambered surface of the arc plate, the front pushing plate and the rear pushing plate are respectively fixed at two ends of the bottom surface of the rectangular plate, and the front pushing plate is close to the arc plate; the rectangular plate is provided with a rectangular hole; gear shaft holes matched with the gear shafts are formed in the front push plate and the rear push plate; a cross bar which is vertical to the axial direction of the gear shaft is arranged on the shaft neck of the gear shaft;
the connection relationship is as follows:
two ends of the transmission component are respectively axially clamped with the inner handle rotating part and the main lock tongue shifting block of the lock body module and then are circumferentially fixed into a whole; the ejector pin of the spiral type back clutch module is abutted against the inner circular wall of the circular arc pushing plate of the double-motor module;
the main lock tongue shifting block and the anti-prying sleeve are axially installed in a first installation hole of the lock body box through respective bosses, the open end of the anti-prying sleeve is positioned outside a sleeve through hole of the main lock tongue shifting block, the anti-prying sleeve and the main lock tongue shifting block are combined to play a role in axial limiting, and the anti-prying sleeve and the main lock tongue shifting block independently rotate in the circumferential direction; a sixth extending arm F of the main spring bolt shifting lever is positioned between the first extending arm A and the second extending arm B of the main spring bolt shifting block; the central hole of the main lock tongue deflector rod is sleeved on a first guide post of the lock body box, and the first guide post is in sliding fit with the sliding groove of the main lock tongue component; a fourth extending arm D of the main bolt deflector rod is in sliding fit with the guide groove of the main bolt assembly through a second guide column; one end of the torsion spring is arranged on a fixed cylinder of the fifth extending arm E, the other end of the torsion spring is sleeved on a cylindrical shaft, and the cylindrical shaft penetrates through a central hole of the inclined spring bolt deflector rod and then is arranged in a second mounting hole of the lock body box; the clamping arm G of the inclined lock tongue deflector rod is connected with the inclined lock tongue component in a sliding manner; the first guide groove is in sliding fit with the third guide column, and the second guide groove is in sliding fit with the fourth guide column; the cylinder of the oblique bolt connecting rod component penetrates through an arm hole of the oblique bolt deflector rod, and the oblique bolt connecting rod component and the oblique bolt deflector rod are in sliding fit; a third extending arm C of the main lock tongue shifting block is in sliding fit with the cambered surface structure of the latch bolt connecting rod component;
the square steel sleeve is positioned in the step counter bore of the inner handle rotating part, when the door is closed or the door is correctly opened, the vertical surface of the spiral structure of the inner handle rotating part is attached to the vertical surface of the spiral structure of the square steel sleeve, at the moment, the corresponding central angle between the spiral structure and the starting point of the spiral structure is more than 45 degrees, and the square steel sleeve can rotate in the inner handle rotating part;
the jacking pin is arranged in a jacking pin hole of the inner handle rotating part and a radial blind hole of the square steel sleeve in a compressible mode through a jacking pin spring and a jacking pin baffle ring, one end of the jacking pin is located outside a step counter bore of the inner handle rotating part, and the other end of the jacking pin is located in the step counter bore of the inner handle rotating part;
one end of the square steel penetrates through the main lock tongue shifting block and the square steel through hole of the transmission assembly in sequence and then is inserted into the square steel hole of the square steel sleeve; the other end is fixedly connected with the outer handle; the inner handle rotating piece is fixedly connected with the inner handle;
two arms of the torsion spring penetrate through a rectangular hole of the rectangular plate of the arc pushing plate and are in contact with the inner side surfaces of the front end and the rear end of the rectangular hole, and two ends of the torsion spring are in contact with the inner side surfaces of a front pushing plate and a rear pushing plate of the arc pushing plate respectively; the arc pushing plate is in sliding fit with the motor shell through the long square plate; one end of the gear shaft penetrates through the first gear shaft hole, and the other end of the gear shaft penetrates through the rear push plate, the torsion spring, the front push plate and the second gear shaft hole in sequence; the cross bar on the gear shaft is positioned between the spring wires in the middle of the torsion spring; the two motors are respectively inserted into two motor mounting holes of a motor shell, motor shafts of the two motors are simultaneously and respectively inserted into central hole sleeves of the two pinions, then the two pinions penetrate through corresponding motor shaft holes to be fixedly connected with the two pinions, and the two pinions are both meshed with the large gear of the gear shaft; the cover plate is fixedly connected with the motor shell at the mounting hole of the cover plate.
Has the advantages that:
in the prior art, no anti-prying sleeve is arranged, and the lock body can be unlocked by rotating the square hole component from the outside by only destroying the outer panel of the lock body and rotating the poking rod in the lock body. The anti-prying sleeve is additionally arranged, the round panel of the anti-prying sleeve faces the outer panel of the lock body to play a role in protection, and when the outer panel of the lock body is damaged, the anti-prying sleeve can only be rotated, and the main lock tongue shifting block cannot be rotated. Therefore, the lock body can only be opened from the indoor direction and cannot be opened from the outdoor direction, and the common tool cannot pry the door lock due to the prying-resistant structure designed outdoors. The design ensures that the lock body still cannot be opened under the condition that the front panel is removed and the lock body is exposed when the door lock is violently damaged, thereby increasing the safety of the door lock.
The spiral back clutch module is positioned on the indoor rear panel, the front panel is damaged, and when the front panel is dismounted, the door lock still cannot be opened. The spiral type back clutch module can only rotate in a single direction, when the spiral type back clutch module rotates in the reverse direction, the square steel sleeve and the inner handle rotating piece are separated by the spiral surfaces on the inner handle rotating piece and the square steel sleeve, the inner handle rotating piece cannot rotate by means of friction force, safety is high, and the spiral type back clutch module can be locked indoors and outdoors.
The two same motors work independently, and the redundant design of one motor and one standby can reduce the risk of stopping working of the double-motor module caused by motor damage; the top end of the transverse shaft of the gear shaft is designed to be conical, and because of the appearance of the transverse shaft of the gear shaft, the top surface of the transverse shaft is a point, the contact area with the spring wire is small, the spring wire can freely slide down when the spring wire is inserted, and the situation that the transverse rod blocks the spring wire of the torsion spring and returns to a normal state can not occur; the spiral back clutch module is positioned on the indoor rear panel, the front panel is damaged, and when the front panel is dismounted, the door lock still cannot be opened. The spiral type back clutch module can only rotate in a single direction, when the spiral type back clutch module rotates in the reverse direction, the square steel sleeve and the inner handle rotating piece are separated by the spiral surfaces on the inner handle rotating piece and the square steel sleeve, the inner handle rotating piece cannot rotate by means of friction force, safety is high, and the spiral type back clutch module can be locked indoors and outdoors.
Drawings
FIG. 1 is a block diagram of a lock body module of the anti-picking lock of the present invention;
figure 2 is a schematic view of the anti-pry sleeve construction of the lock body module of the present invention;
figure 3 is an overall schematic view of the anti-pry sleeve and the main bolt toggle of the lock body module of the present invention.
FIG. 4 is a schematic view of a spiral type clutch return module of the anti-picking lock of the present invention;
FIG. 5 is a schematic structural diagram of transmission parts of the spiral back clutch module of the present invention;
FIG. 6 is a schematic structural view of an inner handle rotating member of the helical reverse clutch module of the present invention;
fig. 7 is a schematic structural diagram of a square steel sleeve of the spiral type back clutch module.
FIG. 8 is a schematic view of the structures of a dual motor module according to the present invention;
FIG. 9 is a front isometric view of each hole of the dual motor module of the present invention;
FIG. 10 is a rear isometric view of the various holes of the dual motor module of the present invention;
Detailed Description
The invention relates to an anti-picking lock based on a spiral type back clutch module and a double-motor module, which comprises: the lock body module, the spiral back-engaging and disengaging module and the double-motor module are arranged on the lock body; wherein,
as shown in fig. 1, the lock body module of the present invention includes: a main bolt shifting block 101, an anti-pry sleeve 102, a main bolt shifting rod 103, a main bolt assembly 104, a latch bolt connecting rod assembly 105, a latch bolt shifting rod 106, a latch bolt assembly 107, a lock box 108, a cylindrical shaft and a torsion spring. As shown in fig. 2, the main bolt shifting block 101 is provided with a first extending arm a, a second extending arm B and a third extending arm C; a sleeve through hole is formed in the axial center of the main bolt shifting block 101, and an axial clamping groove matched with the transmission assembly is formed in the inner circumferential surface of the main bolt shifting block; the anti-pry sleeve 102 is open at one end and closed at the other. As shown in fig. 3, the main bolt deflector rod 103 is provided with a fourth extending arm D, a fifth extending arm E, a sixth extending arm F, a second guide post, and a center hole sleeve 1031; a fixed cylinder is arranged on the fifth extending arm E; the main bolt assembly 104 comprises a base, and a main bolt 1043, a guide groove 1041 and a chute 1042 which are arranged on the base; the latch bolt connecting rod assembly 105 comprises a latch bolt connecting rod, a first guide groove 1052 and a second guide groove 1054 which are arranged on the latch bolt connecting rod, a cylinder 1053 and a shifting column 1051; the shifting column 1051 is arranged at one end of the base of the latch bolt connecting rod, and the side surface of the latch bolt connecting rod at one end where the shifting column 1051 is arranged is provided with a concave cambered surface structure; the inclined bolt deflector rod 106 is provided with a seventh extending arm I, a clamping arm G and a central hole; an arm hole 1061 is formed in the extending arm of the inclined bolt deflector rod; the lock body box 108 is provided with a first guide post, a third guide post, a fourth guide post, a first mounting hole and a second mounting hole;
as shown in fig. 4, the spiral type reverse clutch module of the present invention includes: knock pin 207, knock pin spring 208, knock pin retainer ring 206, inner handle swivel 205, square steel bushing 204, transmission members a and b; the peripheral equipment comprises square steel, an inner handle, an outer handle and a main bolt shifting block 101; the main bolt shifting block 101 is an actuating mechanism of the bolt. The reference number for transmission a is the main bolt shift 202 and the reference number for transmission b is 203. As shown in fig. 7, a radial blind hole is formed on the outer circumferential surface of the square steel sleeve 204, and a square steel hole is formed on the end surface of the square steel sleeve 204; the outer circumferential surface of the square steel sleeve 204 is also provided with a raised spiral structure, the tail end of the spiral structure forms a vertical step surface on the outer circumferential surface of the square steel sleeve 204, and the starting end of the spiral structure is in smooth transition with the inner side surface of the end cover of the square steel sleeve 204; as shown in fig. 6, a step counter bore 2014 for mounting the square steel sleeve 204 is arranged on the end face of the inner handle rotating member 205; a radial top pin hole 2013 is machined in the outer circumferential surface of the inner handle rotating member 205, and the top pin hole 2013 is communicated with the step counter bore 2014; an axial clamping groove 2016 matched with the transmission piece a is further formed in the outer circumferential surface of the inner handle rotating piece 205; an inner handle rotating part spiral structure 2015 matched with the spiral structure of the square steel sleeve 204 is arranged on the step surface of the step counter bore 2014; as shown in fig. 5, square steel through holes are formed in the transmission piece a, the transmission piece b and the main bolt shifting block 101; one end of the transmission piece a is provided with a projecting arm a1 matched with an axial clamping groove 2016 on the outer circumferential surface of the inner handle rotating piece 205, and the other end of the transmission piece a is provided with a clamping groove a 2; one end of the transmission piece b is provided with an extending arm b1 matched with the clamping groove a2, and the other end of the transmission piece b is provided with a clamping groove b2 matched with the extending arm on the inner wall of the main bolt shifting block 101; the transmission component is composed of the transmission piece a and the transmission piece b; the projecting arm a1 is referenced 2012, the card slot a2 is referenced 2011, the projecting arm b1 is referenced 2010, and the card slot b2 is referenced 209.
As shown in fig. 8 to 10, the dual motor module includes: a cover plate 301, two pinions 302, a gear shaft 303, a motor housing 304, two identical motors 305, a torsion spring 306, an arc pushing plate 307, a front pushing plate 308, a rear pushing plate 309 and a cross bar 310;
the gear shaft 303 comprises a large gear and a shaft neck, and the large gear and the shaft neck are integrally designed; one end of the motor housing 304 is provided with two motor mounting holes 3015 having the same shape as the motor 305 and a second gear shaft hole 3014 matching with the gear shaft journal, the second gear shaft hole 3014 is located between the two motor mounting holes 3015, the other end is provided with two motor shaft holes 3012 matching with the motor shaft of the motor 305, a first gear shaft hole 3011 matching with the top end of the gear shaft journal and a plurality of cover plate mounting holes 3013, and the first gear shaft hole 3011 is located between the two motor shaft holes 3012; the top end of the motor shell 304 is open, and horizontal sliding grooves matched with the arc pushing plate 307 rectangular plate are arranged on two sides of the open motor shell 304; the center positions of the two pinions 302 are respectively provided with a center hole sleeve matched with a motor shaft of the motor 305; the arc pushing plate 307 comprises an arc plate, a rectangular plate, a front pushing plate 308 and a rear pushing plate 309, the rectangular plate is fixed on the convex arc surface of the arc plate, the front pushing plate 308 and the rear pushing plate 309 are respectively fixed at two ends of the bottom surface of the rectangular plate, and the front pushing plate is close to the arc plate; the rectangular plate is provided with a rectangular hole; gear shaft holes matched with the gear shaft 303 are formed in the front push plate 308 and the rear push plate 309; a cross rod 310 which is vertical to the axial direction of the gear shaft is arranged on the journal of the gear shaft 303;
the connection relationship is as follows:
two ends of the transmission component are respectively axially clamped with the inner handle rotating piece 205 and the main bolt shifting block 101 of the lock body module and then are circumferentially fixed into a whole; the ejector pin 207 of the spiral type back clutch module is abutted against the inner circular wall of the circular arc pushing plate 307 of the double-motor module;
two ends of the transmission component are respectively axially clamped with the inner handle rotating piece 205 and the main bolt shifting block 101 of the lock body module and then are circumferentially fixed into a whole; the main lock bolt shifting block 101 and the anti-prying sleeve 102 are axially installed on a first installation hole of the lock body box 108 through respective bosses, the open end of the anti-prying sleeve 102 is positioned outside a sleeve through hole of the main lock bolt shifting block 101, and the anti-prying sleeve 102 and the main lock bolt shifting block 101 are combined to play a role in axial limiting, so that the two are in contact with each other and independently and circumferentially rotate; a sixth extension arm F of the main bolt shift lever 103 is positioned between the first extension arm a and the second extension arm B of the main bolt shift block 101; a central hole sleeve 1031 of the main bolt shift lever 103 is sleeved on a first guide post of the lock body box 108, and the first guide post is in sliding fit with a sliding groove 1042 of the main bolt assembly 104; a fourth extending arm D of the main bolt deflector rod 103 is in sliding fit with the guide slot 1041 of the main bolt assembly 104 through a second guide column; one end of the torsion spring is mounted on a fixed cylinder of the fifth extending arm E, the other end of the torsion spring is sleeved on a cylindrical shaft, and the cylindrical shaft penetrates through a central hole of the inclined bolt deflector rod 106 and then is mounted in a second mounting hole of the lock body box 108; the clamping arm G of the inclined bolt deflector rod 106 is connected with the inclined bolt assembly 107 in a sliding manner; the first guide groove 1052 is in sliding fit with the third guide post, and the second guide groove 1054 is in sliding fit with the fourth guide post; a cylinder 1053 of the latch bolt connecting rod assembly 105 penetrates through an arm hole 1061 of the latch bolt deflector rod 106, and the latch bolt connecting rod assembly and the latch bolt deflector rod are in sliding fit; the third extending arm C of the main bolt shifting block 101 is in sliding fit with the arc structure of the latch bolt connecting rod assembly 105, and when the third extending arm C slides to the shifting column 1051, the third extending arm C and the third extending arm C slide together through the action of torque. The use of the torsion spring can fix the oblique bolt deflector rod assembly 105 at the extreme position, and the oblique bolt deflector rod assembly 105 is limited from shaking.
The square steel sleeve 204 is positioned in the step counter bore 2014 of the inner handle rotating member 205, when the door is closed or the door is correctly opened, the vertical surface of the spiral structure 2015 of the inner handle rotating member is attached to the vertical surface of the spiral structure of the square steel sleeve 204, and the square steel sleeve 204 can rotate in the inner handle rotating member 205; wherein, interior handle rotating member helicitic texture 2015 includes with the concrete content of the helicitic texture of square steel cover 204: (1) in the normal condition, the door closing state and the door opening with correct instruction are as follows: at the moment, the vertical step surfaces of the respective spiral structures of the inner handle rotating part 205 and the square steel sleeve 204 are mutually attached, and the corresponding central angle between the starting points of the two spiral structures is larger than 45 degrees; (2) in normal case no instruction or faulty instruction: the outer handle is rotated, the square steel sleeve 204 is driven by square steel to rotate, but the inner handle rotating member 205 is not moved, the square steel sleeve 204 idles, the angle between the starting points of the two spiral structures is reduced along with the increase of the amplitude of the rotating door handle, and because the front panel door handle can only rotate 45 degrees at most due to the limitation of other structures at the moment, and the corresponding central angle between the starting points of the two spiral structures is more than 45 degrees, the front panel door handle cannot be in contact fit with each other; (3) under the condition that the front panel suffered the violence and destroyed and demolishd, the turned angle of square steel cover 204 this moment can be greater than 45, and a direction rotation is the direction of locking a door, and is irrelevant with helical structure, during the antiport, after turned angle is greater than 45 certain angle, two helical structure's initial point coincidence, two helical structure begin the contact cooperation, continue to rotate because two helical structure's effect, the step counter bore of handle rotating member in the square steel cover was ejecting. The jacking pin 207 is arranged in a jacking pin hole 2013 of the inner handle rotating member 205 and a radial blind hole of the square steel sleeve 204 in a compressible mode through a jacking pin spring 208 and a jacking pin baffle ring 206, one end of the jacking pin 207 is located outside a step counter bore 2014 of the inner handle rotating member 205, and the other end of the jacking pin 207 is located in the step counter bore 2014 of the inner handle rotating member 205; the extension arm a1 of the transmission element a is inserted into an axial detent 2016 on the outer circumferential surface of the inner handle rotary element 205; the extending arm b1 of the transmission piece b is inserted into the card slot a2 of the transmission piece a; the clamping groove b2 of the transmission piece b is inserted into the extending arm on the inner wall of the main bolt shifting block 101; therefore, the inner handle rotating piece 205, the transmission parts a and b are connected into a whole and can synchronously move in the circumferential direction; one end of the square steel penetrates through the square steel through holes of the main bolt shifting block 101, the transmission piece a and the transmission piece b in sequence and then is inserted into the square steel hole of the square steel sleeve 204; the other end is fixedly connected with the outer handle, and the inner handle rotating member 205 is fixedly connected with the inner handle.
Two arms of the torsion spring 306 penetrate through a rectangular hole of a rectangular plate of the arc pushing plate 307, the two arms are in contact with the inner side surfaces of the front end and the rear end of the rectangular hole, and the two ends of the torsion spring 306 are in contact with the inner side surfaces of a front pushing plate 308 and a rear pushing plate 309 of the arc pushing plate 307 respectively; the arc pushing plate 307 is in sliding fit with the motor shell 304 through a long square plate; one end of the gear shaft 303 passes through the first gear shaft hole 3011, and the other end passes through the rear push plate 309, the torsion spring 306, the front push plate 308 and the second gear shaft hole 3014 in sequence; the crossbar 3010 on gear shaft 303 is located between the wires in the middle of torsion spring 306; the two motors 305 are respectively inserted into two motor mounting holes 3015 of the motor housing 304, and motor shafts of the two motors 305 are simultaneously and respectively inserted into central hole sleeves of the two pinions 302, and then pass through corresponding motor shaft holes 3012 to be fixedly connected with the two pinions 302, and the two pinions 302 are both meshed with the large gear of the gear shaft 303; the cover plate 301 is fixedly connected with the motor shell 304 at the cover plate mounting hole 3013;
the main lock tongue shifting block 101 in the application is also called as a lock body inner part, and is different from the prior art, a sleeve through hole is arranged at the axial center position of the main lock tongue shifting block 101, and an axial clamping groove matched with a transmission assembly is arranged on the inner circumferential surface of the main lock tongue shifting block 101; one end of the anti-pry sleeve 102 is open and the other end is mounted to the lock body box 108; the anti-prying sleeve 102 is additionally arranged on a main bolt shifting block 101, the anti-prying sleeve 102 is arranged in a sleeve through hole of the main bolt shifting block 101, and a square steel through hole is formed in the cylinder of the anti-prying sleeve 102; the original square steel directly passes through a square steel through hole of an original main bolt shifting block 101 and contacts with a front panel of the lock body; the square steel that the square steel of this application passed pick-proof sleeve 102 passes the hole, and telescopic disc face is the panel forward, is protection terminal surface in fact. The anti-prying sleeve 102 is placed in a sleeve through hole of the main bolt block 101, and the square steel only penetrates through the square steel through hole in the anti-prying sleeve 102, so that the anti-prying sleeve 102 is not affected. When the front panel is damaged, even if the anti-prying sleeve 102 can be rotated, the main bolt shifting block 101 and the anti-prying sleeve 102 are only contacted and do not interact with each other, so that the anti-prying sleeve 102 cannot provide torque for the main bolt shifting block 101, and the anti-prying sleeve 102 can only idle in a stressed part. When the reverse clutch component of the intelligent lock rotates the main bolt shifting block 101, the anti-prying sleeve 102 is not moved.
The lock body of the invention is one-way unlocking: the main lock bolt shifting block 101 is an input end for inputting an external action to the lock body to enable the lock body to be locked or unlocked, and important protection is needed. When the door is locked: the main spring bolt shifting block 101 rotates anticlockwise, the first extending arm a drives the sixth extending arm F to move, so that the main spring bolt shifting lever 103 rotates clockwise around the first guide post, and the guide post on the fourth extending arm D slides along the groove, so that the main spring bolt shifting lever 103 pushes the main spring bolt 1043 to pop out of the lock body, and locking is achieved. When unlocking: the main lock bolt shifting block 101 rotates clockwise, the second extending arm B drives the sixth extending arm F to move, so that the main lock bolt shifting rod 103 rotates anticlockwise around the first guide post, and the guide post on the fourth extending arm D slides along the groove, so that the main lock bolt shifting rod 103 pushes the main lock bolt assembly 104 to retract the lock body, and unlocking is realized. When the main lock tongue shifting block 101 rotates clockwise, the shifting column 1051 acts under the action of the extending arm C of the main lock tongue shifting block to make the oblique lock tongue shifting lever 106 rotate clockwise around the cylindrical shaft, so that the cylinder 1053 on the oblique lock tongue connecting rod assembly 105 drives the extending arm I of the oblique lock tongue shifting lever to move, and the clamping arm G drives the oblique lock tongue assembly 107 to retract. The inclined lock bolt assembly of the invention extends out of the lock body all the time and is withdrawn only when the lock is unlocked, thus playing a role in preventing the door from swinging back and forth along with wind or other disturbance factors.
The side wall of the inner handle rotating member 205 designed by the application is thin, but because the length of the top pin 207 is relatively long, the top pin 207 is designed to penetrate through a section of the inner handle rotating member 205 to be a certain thickness, and the cost and the space are saved. The inner handle swivel 205 is connected to the inner handle; the transmission members a and b are engaged with the inner handle rotating member 205, and the inner handle can drive the inner handle rotating member 205 and the transmission members a and b to directly realize unlocking and locking actions. The outer handle is connected with the square steel sleeve 204 through square steel, and the square steel sleeve 204 is attached to the transmission parts a and b without interaction, so that unlocking can be realized only through instructions by using the outer handle. The knock pin 207 is normally pushed out of the inner handle swivel 205, and when unlocked, the knock pin 207 is pushed into a blind radial hole in the square steel sleeve 204, and the square steel sleeve 204 and the inner handle swivel 205 can be connected by the knock pin 207.
Setting the clockwise rotation of the inner handle and the outer handle as a locking direction and the anticlockwise rotation as an unlocking direction; when locking and unlocking from the inner handle direction: the inner handle drives the inner handle rotating part 205 to rotate, and the inner handle rotating part 205 sequentially drives the transmission parts a and b and the main bolt shifting block 101, so as to drive the main bolt shifting block 101 to realize action, regardless of the top pin 207 and the square steel sleeve 204;
the unlocking by utilizing the outer handle has three conditions:
1. when a correct unlocking instruction is given, an external actuating mechanism is controlled by a normal door opening instruction to push the ejector pin 207, the ejector pin 207 penetrates through an ejector pin hole 2013 in the inner handle rotating member 205, the ejector pin 207 is pushed into a side round hole in the square steel sleeve 204 from the ejector pin hole 2013 in the inner handle rotating member 5, and at the moment, the ejector pin 207 connects the inner handle rotating member 205 and the square steel sleeve 204, so that the inner handle rotating member 205 and the square steel sleeve 204 can perform synchronous circumferential motion; at the moment, the outer handle is rotated, the square steel connected with the outer handle rotates along with the outer handle, and the square steel drives the square steel sleeve 204 and the inner handle rotating member 205 to rotate; the inner handle rotating piece 205 drives the transmission parts a and b, so as to drive the main bolt shifting block 101 to realize unlocking;
2. when no instruction is given, the ejector pin 207 does not act, and if the square steel is rotated clockwise from the outer handle, the locking action is performed; if the square steel and the square steel sleeve 204 are rotated anticlockwise, the outer handle drives the square steel and the square steel sleeve 204 to idle because the knock pin 207 does not play a role in transmitting torque at the moment.
3. The front panel is destroyed, the rotating square steel sleeve 204 can exceed 45 degrees, but the door is locked clockwise, and the inner handle rotating piece 205 and the square steel sleeve 204 idle due to the interaction of the helicoids in the anticlockwise direction, and the inner handle rotating piece 205 cannot be driven by the square steel sleeve 204 to unlock.
The cross bar 3010 of the present application is symmetrically located on the journal of the gear shaft 303, the axis of the cross bar 3010 intersects with the axis of the journal of the gear shaft 303, and both ends of the cross bar 3010 are cones.
When a correct door opening signal is input, the dual-motor module has current input, the motor rotates and is driven by the two pinions 302, the gear shaft 303 also rotates along with the motor, the cross rod 3010 rotates between the spring wires of the torsion spring 306, thereby changing the state of the torsion spring 306, finally the cross bar 3010 is located at the rear end of the torsion spring 306, the torsion spring 306 is pressed forward, the arc pushing plate 307 is subject to the forward elastic force of the torsion spring 306, under the action of the elasticity of the torsion spring 306, the arc pushing plate 307 moves forwards, the arc pushing plate 307 extends out to push the ejector pin 207 of the spiral type back clutch module, the ejector pin 207 penetrates through an ejector pin hole 2013 in the inner handle rotating member 205, the ejector pin 207 is pushed into a side round hole in the square steel sleeve 204 from the ejector pin hole 2013 in the inner handle rotating member 205, and at the moment, the ejector pin 207 connects the inner handle rotating member 205 with the square steel sleeve 204, so that the inner handle rotating member 205 and the square steel sleeve 204 can perform synchronous circumferential movement; at the moment, the outer handle is rotated, the square steel connected with the outer handle rotates along with the outer handle, and the square steel drives the square steel sleeve 204 and the inner handle rotating member 205 to rotate; the inner handle rotating member 205 drives the transmission assembly, thereby driving the main bolt moving block 101 to realize the unlocking action.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. The utility model provides an anti-pick lock based on spiral separation and reunion module and bi-motor module that returns which characterized in that includes: the lock comprises a lock body module, a spiral type back-engaging and disengaging module and a double-motor module, wherein peripheral equipment comprises square steel, an inner handle and an outer handle; wherein,
the lock body module includes: the lock comprises a main bolt shifting block (101), an anti-prying sleeve (102), a main bolt shifting rod (103), a main bolt assembly (104), an oblique bolt connecting rod assembly (105), an oblique bolt shifting rod (106), an oblique bolt assembly (107), a lock body box (108), a cylindrical shaft and a torsion spring;
the main bolt shifting block (101) is provided with a first extending arm A, a second extending arm B and a third extending arm C; a sleeve through hole is formed in the axial center of the main bolt shifting block (101), and an axial clamping groove matched with a transmission assembly of the spiral type clutch returning module is formed in the inner circumferential surface of the main bolt shifting block; one end of the anti-prying sleeve (102) is open, and the other end is closed; the main bolt deflector rod (103) is provided with a fourth extending arm D, a fifth extending arm E, a sixth extending arm F, a second guide post and a central hole sleeve (1031); a fixed cylinder is arranged on the fifth extending arm E; the main bolt assembly (104) comprises a base, and a main bolt (1043), a guide groove (1041) and a sliding groove (1042) which are arranged on the base; the latch bolt connecting rod assembly (105) comprises a latch bolt connecting rod, a first guide groove (1052) and a second guide groove (1054) which are arranged on the latch bolt connecting rod, a cylinder (1053) and a shifting column (1051); the shifting column (1051) is arranged at one end of the latch bolt connecting rod, and the latch bolt connecting rod is provided with a concave cambered surface structure at the side surface of one end where the shifting column (1051) is arranged; the inclined bolt deflector rod (106) is provided with a seventh extending arm I, a clamping arm G and a central hole; an arm hole (1061) is formed in the seventh extending arm I; the lock body box (108) is provided with a first guide post, a third guide post, a fourth guide post, a first mounting hole and a second mounting hole;
spiral clutch module that returns includes: the device comprises a top pin (207), a top pin spring (208), a top pin baffle ring (206), an inner handle rotating piece (205), a square steel sleeve (204) and a transmission assembly;
a radial blind hole (2018) is formed in the outer circumferential surface of the square steel sleeve (204), and a square steel hole (2017) is formed in the end surface of the square steel sleeve (204); the outer circumferential surface of the square steel sleeve (204) is also provided with a raised spiral structure (2019), the tail end of the spiral structure (2019) forms a vertical step surface on the outer circumferential surface of the square steel sleeve (204), and the starting end of the spiral structure is in smooth transition with the inner side surface of the end cover of the square steel sleeve (204); a step counter bore (2014) for mounting the square steel sleeve (204) is arranged on the end surface of the inner handle rotating member (205); a radial top pin hole (2013) is machined in the outer circumferential surface of the inner handle rotating piece (205), and the top pin hole (2013) is communicated with the step counter bore (2014); an inner handle rotating part spiral structure (2015) matched with the spiral structure (2019) of the square steel sleeve (204) is arranged on the step surface of the step counter bore (2014); square steel through holes are formed in the transmission assembly and the main bolt shifting block (101);
the dual motor module includes: the device comprises a cover plate (301), two pinions (302), a gear shaft (303), a motor shell (304), two identical motors (305), a torsion spring (306), an arc pushing plate (307), a front pushing plate (308), a rear pushing plate (309) and a cross rod (3010);
the gear shaft (303) comprises a large gear and a shaft neck, and the large gear and the shaft neck are integrally designed; one end of the motor shell (304) is provided with two motor mounting holes (3015) with the same shape as the motor (305) and a second gear shaft hole (3014) matched with the shaft neck of the gear shaft, the second gear shaft hole (3014) is positioned between the two motor mounting holes (3015), the other end is provided with two motor shaft holes (3012) matched with the motor shaft of the motor (305), a first gear shaft hole (3011) matched with the top end of the shaft neck of the gear shaft and a plurality of cover plate mounting holes (3013), and the first gear shaft hole (3011) is positioned between the two motor shaft holes (3012); the top end of the motor shell (304) is open, and horizontal sliding grooves matched with the arc pushing plate (307) rectangular plates are arranged on two sides of the open motor shell (304); the center positions of the two pinions (302) are respectively provided with a center hole sleeve matched with a motor shaft of the motor (305); the arc pushing plate (307) comprises an arc plate, a rectangular plate, a front pushing plate (308) and a rear pushing plate (309), the rectangular plate is fixed on the convex arc surface of the arc plate, the front pushing plate (308) and the rear pushing plate (309) are respectively fixed at two ends of the bottom surface of the rectangular plate, and the front pushing plate is close to the arc plate; the rectangular plate is provided with a rectangular hole; gear shaft holes matched with the gear shaft (303) are arranged on the front push plate (308) and the rear push plate (309); a cross rod (3010) which is vertical to the axial direction of the gear shaft is arranged on the shaft neck of the gear shaft (303);
the connection relationship is as follows:
two ends of the transmission component are respectively axially clamped with the inner handle rotating piece (205) and the main bolt shifting block (101) of the lock body module and then are circumferentially fixed into a whole; a jacking pin (207) of the spiral type back-engaging and disengaging module is abutted against the inner circular wall of an arc pushing plate (307) of the double-motor module;
the main bolt shifting block (101) and the anti-prying sleeve (102) are axially installed in a first installation hole of the lock body box (108) through respective bosses, the open end of the anti-prying sleeve (102) is positioned outside a sleeve through hole of the main bolt shifting block (101), the anti-prying sleeve (102) and the main bolt shifting block (101) are combined to play a role in axial limiting, and the anti-prying sleeve (102) and the main bolt shifting block (101) independently rotate in the circumferential direction; a sixth extending arm F of the main bolt deflector rod (103) is positioned between the first extending arm A and the second extending arm B of the main bolt deflector block (101); a central hole sleeve (1031) of the main bolt deflector rod (103) is sleeved on a first guide post of a lock body box (108), and the first guide post is in sliding fit with a sliding groove (1042) of a main bolt assembly (104); a fourth extending arm D of the main bolt deflector rod (103) is in sliding fit with a guide groove (1041) of the main bolt assembly (104) through a second guide column; one end of the torsion spring is arranged on a fixed cylinder of the fifth extending arm E, the other end of the torsion spring is sleeved on a cylindrical shaft, and the cylindrical shaft penetrates through a central hole of the inclined bolt deflector rod (106) and then is arranged in a second mounting hole of the lock body box (108); the clamping arm G of the inclined bolt deflector rod (106) is connected with the inclined bolt assembly (107) in a sliding way; the first guide groove (1052) is in sliding fit with the third guide column, and the second guide groove (1054) is in sliding fit with the fourth guide column; a cylinder (53) of the latch bolt connecting rod component (5) penetrates through an arm hole (1061) of the latch bolt deflector rod (106), and the latch bolt connecting rod component and the latch bolt deflector rod are in sliding fit; a third extending arm C of the main bolt shifting block (101) is in sliding fit with the cambered surface structure of the latch bolt connecting rod component (105);
the square steel sleeve (204) is positioned in a step counter bore (2014) of the inner handle rotating part (205), when the door is closed or the door is correctly opened, the vertical surface of the spiral structure (2015) of the inner handle rotating part is attached to the vertical surface of the spiral structure (2019) of the square steel sleeve (204), the corresponding central angle between the starting points of the spiral structure (2015) and the spiral structure (2019) is more than 45 degrees, and the square steel sleeve (204) can rotate in the inner handle rotating part (205);
the jacking pin (207) is installed in a jacking pin hole (2013) of the inner handle rotating piece (205) and a radial blind hole (2018) of the square steel sleeve (204) in a compressible mode through a jacking pin spring (208) and a jacking pin baffle ring (206), one end of the jacking pin (207) is located outside a step counter bore (2014) of the inner handle rotating piece (205), and the other end of the jacking pin (207) is located in the step counter bore (2014) of the inner handle rotating piece (205);
one end of the square steel penetrates through the main bolt shifting block (101) and the square steel through hole of the transmission assembly in sequence and then is inserted into the square steel hole of the square steel sleeve (204); the other end is fixedly connected with the outer handle; the inner handle rotating piece (205) is fixedly connected with the inner handle;
two arms of the torsion spring (306) penetrate through a rectangular hole of a rectangular plate of the arc pushing plate (307), are in contact with the inner side surfaces of the front end and the rear end of the rectangular hole, and the two ends of the torsion spring (306) are in contact with the inner side surfaces of a front pushing plate (308) and a rear pushing plate (309) of the arc pushing plate (307) respectively; the arc pushing plate (307) is in sliding fit with the motor shell (304) through the rectangular plate; one end of the gear shaft (303) penetrates through the first gear shaft hole (3011), and the other end of the gear shaft penetrates through the rear push plate (309), the torsion spring (306), the front push plate (308) and the second gear shaft hole (3014) in sequence; the cross rod (3010) on the gear shaft (303) is positioned between the spring wires in the middle of the torsion spring (306); the two motors (305) are respectively inserted into two motor mounting holes (3015) of the motor shell (304), motor shafts of the two motors (305) are simultaneously and respectively inserted into central hole sleeves of the two pinions (302), then the two pinions (302) penetrate through corresponding motor shaft holes (3012) to be fixedly connected with the two pinions (302), and the two pinions (302) are both meshed with a large gear of the gear shaft (303); the cover plate (301) is fixedly connected with the motor shell (304) at the cover plate mounting hole (3013).
2. The pick-resistant lock based on the spiral type back clutch module and the dual-motor module as claimed in claim 1, wherein when locking the door: the main bolt shifting block (101) rotates anticlockwise, the first extending arm A drives the sixth extending arm F to move, the main bolt shifting lever (103) rotates clockwise around the first guide post, the guide post on the fourth extending arm D slides along the groove, and the main bolt shifting lever (103) is led to push the main bolt assembly (104) to eject the lock body, so that locking is achieved.
3. The pick-proof lock based on the spiral type back clutch module and the double-motor module as claimed in claim 1, wherein when the lock is unlocked: the main lock bolt shifting block (101) rotates clockwise, the second extending arm B drives the sixth extending arm F to act, so that the main lock bolt shifting rod (103) rotates anticlockwise around the first guide post, the guide post on the fourth extending arm D slides along the groove, the main lock bolt shifting rod (103) pushes the main lock bolt assembly (104) to retract the lock body, and unlocking is achieved;
when the main bolt shifting block (101) rotates clockwise, the shifting column (1051) moves under the acting force of the third extending arm C, so that the cylinder (1053) drives the seventh extending arm I to act, the inclined bolt shifting lever (106) rotates clockwise around the cylinder shaft (109), and the clamping arm G drives the inclined bolt assembly (107) to retract.
4. The pick-resistant lock based on a spiral-type back-clutch module and a two-motor module as claimed in claim 1, wherein an axial clamping groove (2016) is further provided on the outer circumferential surface of the inner handle rotating member (205); the transmission assembly includes: transmission a (203) and transmission b (202); one end of the transmission piece a (203) is provided with a projecting arm a1(2012) matched with an axial clamping groove (2016) on the outer circumferential surface of the inner handle rotating piece (205), and the other end of the transmission piece a (203) is provided with a clamping groove a2 (2011); one end of the transmission piece b (202) is provided with an extending arm b1(2010) matched with the clamping groove a2(2011), and the other end of the transmission piece b (202) is provided with a clamping groove b2(209) matched with the extending arm on the inner wall of the main bolt shifting block (101);
the connection relationship is as follows: the extension arm a1(2012) of the transmission piece a (203) is inserted into an axial clamping groove (2016) on the outer circumferential surface of the inner handle rotating piece (205); the extension arm b1(2010) of the transmission piece b (202) is inserted into the card slot a2(2011) of the transmission piece a (203); the clamping groove b2(209) of the transmission piece b (202) is inserted into the extending arm on the inner wall of the main bolt shifting block (101).
5. The pick-resistant lock based on a spiral-type back-clutching module and a two-motor module of claim 1,
the cross rod (3010) is symmetrically arranged on a shaft neck of the gear shaft (303), the axis of the cross rod (3010) is intersected with the axis of the shaft neck of the gear shaft (303), and two ends of the cross rod (3010) are cones.
6. The pick-resistant lock based on a spiral-type back-clutching module and a two-motor module of claim 5,
when a correct door opening signal is input, the double-motor module has current input, the motor rotates and is driven by the two pinions (302), the gear shaft (303) also rotates along with the current input, the cross rod (3010) rotates between the spring wires of the torsion spring (306), so that the state of the torsion spring (306) is changed, finally, the cross rod (3010) is positioned at the rear end of the torsion spring (306), the torsion spring (306) extrudes forwards, the arc pushing plate (307) is subjected to the forward elastic force of the torsion spring (306), the arc pushing plate (307) moves forwards under the elastic force of the torsion spring (306), the arc pushing plate (307) extends out to push the ejector pin (207) of the spiral back-engaging and disengaging module, the ejector pin (207) penetrates through an ejector pin hole (2013) in the inner handle rotary piece (205), and the ejector pin (207) is pushed into a side round hole in the square steel sleeve (204) from the ejector pin hole (2013) in the inner handle rotary piece (205), at the moment, the jacking pin (207) connects the inner handle rotating part (205) and the square steel sleeve (204) together, so that the inner handle rotating part (205) and the square steel sleeve (204) can perform synchronous circumferential movement; at the moment, the outer handle is rotated, the square steel connected with the outer handle rotates along with the outer handle, and the square steel drives the square steel sleeve (204) and the inner handle rotating member (205) to rotate; the inner handle rotating piece (205) drives the transmission component, so that the main lock tongue shifting block (101) is driven to realize unlocking action.
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| CN201510223291.5A CN104790758B (en) | 2015-05-05 | 2015-05-05 | A kind of based on the pick-proof lock spirally returning clutch module and bi-motor module |
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| CN104790758B true CN104790758B (en) | 2017-03-01 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113853B (en) * | 2015-08-21 | 2017-08-11 | 浙江永精锁业有限公司 | Quick-mounting door lock and mounting method thereof |
| CN108286368A (en) * | 2018-01-16 | 2018-07-17 | 周桂美 | A kind of electronic lock that electromechanics separate type is unlocked |
| CN109322542B (en) * | 2018-09-07 | 2024-03-01 | 一诺电器有限公司 | Clutch mechanism and door lock |
| CN110230440A (en) * | 2019-07-29 | 2019-09-13 | 昆山凯立电子科技有限公司 | A kind of automated intelligent bag lock |
| CN113202352A (en) * | 2021-06-24 | 2021-08-03 | 金华市威霸智能科技有限公司 | Full-automatic lock body |
| CN113882760A (en) * | 2021-11-09 | 2022-01-04 | 惠州市昊成工控科技有限公司 | Power mechanism |
| CN113863788A (en) * | 2021-11-09 | 2021-12-31 | 惠州市昊成工控科技有限公司 | Integrated door lock |
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| CN204715916U (en) * | 2015-05-05 | 2015-10-21 | 中国船舶重工集团公司第七一八研究所 | A kind of based on the spiral pick-proof lock returning clutch module and bi-motor module |
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| EP0939852B1 (en) * | 1996-11-19 | 2002-07-17 | Robert Bosch Gmbh | Drive device for a motor vehicle door lock or the like |
| CN201180413Y (en) * | 2008-01-28 | 2009-01-14 | 日照卫士电子科技有限公司 | Double-motor electric-controlled lock |
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