CN107091013B

CN107091013B - Door lock core mechanism

Info

Publication number: CN107091013B
Application number: CN201710390995.0A
Authority: CN
Inventors: 吴紫伯
Original assignee: NINGBO SHENGYUAN TECHNOLOGY TRANSFER CO LTD
Current assignee: NINGBO SHENGYUAN TECHNOLOGY TRANSFER CO LTD
Priority date: 2017-05-27
Filing date: 2017-05-27
Publication date: 2022-09-20
Anticipated expiration: 2037-05-27
Also published as: CN107091013A

Abstract

The invention provides a lock core mechanism of a door lock, and belongs to the technical field of locks. It has solved the current poor problem of lock core mechanism security performance of lock. This lock core mechanism of door lock includes: a main body; the spring bolt device is movably arranged on the main body and comprises a spring bolt movably arranged on the main body, and the spring bolt can extend out of or retract into the main body; the clutch device is arranged on the main body and connected with the lock tongue; the lock tongue device and the clutch device can drive the lock tongue to extend out of or retract into the main body respectively. The door lock core mechanism has the advantages of good safety and convenient use.

Description

Door lock core locking mechanism

Technical Field

The invention belongs to the technical field of locks, and relates to a door lock core locking mechanism.

Background

The door lock refers to a device for locking a door to prevent others from opening the door, and must have security as a door locking device. Security refers to the ability to resist vandalism, pranks, and deliberate prying, drilling, and other violent vandalism. Most of lock cylinders of door locks in the prior art adopt mechanical locks, but users need keys to open the door when entering and exiting the door, so that the users are inconvenient to use, and meanwhile, the lock cylinder of the door lock is single in structure and general in anti-theft performance.

In summary, in order to solve the structural defects of the existing door lock core, a door lock core mechanism with good safety and convenient use needs to be designed.

Disclosure of Invention

The invention aims to provide a door lock core mechanism with good safety and convenient use, aiming at the problems in the prior art.

The purpose of the invention can be realized by the following technical scheme: a door lock cylinder mechanism comprising:

a main body;

the spring bolt device is movably arranged on the main body and comprises a spring bolt movably arranged on the main body, and the spring bolt can extend out of or retract into the main body;

the clutch device is arranged on the main body and connected with the lock tongue;

the lock tongue device and the clutch device can drive the lock tongue to extend out of or retract into the main body respectively.

In the above door lock core locking mechanism, the bolt device further includes:

the key input part is arranged on the main body and is connected with the lock tongue;

the shifting block is fixedly arranged on the key input part, a clamping groove corresponding to the shifting block is formed in the lock tongue, and one end of the shifting block is abutted against the clamping groove;

the key input part can drive the lock tongue to move in the transverse direction through the shifting block, and the shifting block can be abutted against the clamping groove and enables the lock tongue to keep a static state.

In the above door lock core locking mechanism, the clutch device includes:

a clutch provided on the main body;

the driving shaft is arranged on the clutch and is electrically connected with the clutch, and one end of the driving shaft extends out of the clutch and is connected with the key input part;

the driving gear is arranged between the driving shaft and the key input part and comprises a worm gear and a first transmission gear which are coaxially arranged, the connecting part is connected with the driving shaft, and the first transmission gear is connected with the key input part;

the clutch can drive the connecting part and the first transmission gear to synchronously rotate through the driving shaft, and drive the lock tongue to extend out of or retract into the main body through the key input part.

In foretell door lock core mechanism, the coaxial second drive gear that corresponds with first drive gear that is provided with on the key input portion, seted up the ring channel on the second drive gear, in the key input portion stretched into the ring channel, set firmly the stopper on the lateral wall of ring channel, be provided with the guide block that corresponds with spacing portion on the key input portion, when the stopper supported on the guide block, second drive gear can drive key input portion synchronous revolution.

In the above door lock core locking mechanism, the main body is transversely provided with the auxiliary lock tongue, the main body is provided with the rotating core, the first connecting rod is arranged between the lock tongue and the rotating core, and the second connecting rod is arranged between the rotating core and the auxiliary lock tongue.

In the door lock core locking mechanism, the rotating core comprises an upper core body, a main core body and a lower core body which are coaxially arranged, the main core body is arranged between the upper core body and the lower core body, the first connecting rod is connected with the upper core body, and the second connecting rod is connected with the lower core body.

In the door lock core locking mechanism, the auxiliary lock tongue is provided with the locking piece, the locking piece is connected with the second connecting rod, and the second connecting rod can enable the auxiliary lock tongue to be switched between an opening state and a closing state through the locking piece.

In the above-mentioned door lock core mechanism, the lock spacer includes the push pedal and sets up respectively in the reinforcing plate of push pedal both sides, has seted up the spread groove in the push pedal, is provided with the connecting portion that correspond with the spread groove on vice spring bolt, when connecting portion card was located in the spread groove, vice spring bolt was in the closed condition, and when connecting portion broke away from in the spread groove, vice spring bolt was in the open condition.

In the door lock core locking mechanism, the main body is provided with the detection rod, the front end of the detection rod extends out of the main body, and the rear end of the detection rod is provided with the detection piece.

In the above door lock core locking mechanism, the two sides of the lock tongue are both provided with the lock tongue plates, the two sides of the lock tongue are respectively provided with the fixing pins, the lock tongue plates are provided with the sliding grooves corresponding to the fixing pins, the fixing pins are respectively inserted into the corresponding sliding grooves, and the lock tongue can drive the fixing pins to slide in the sliding grooves and enable the lock tongue plates to move along the lock tongue in the axial direction.

Compared with the prior art, the invention comprises a main body, wherein the main body is provided with a bolt device and a clutch device, the bolt device is provided with a bolt, in the working process, a user can rotate the bolt device through a key to enable the bolt to transversely move along the main body, meanwhile, the user can automatically transversely move along the main body through the control of the clutch device, the bolt device and the clutch device jointly control the movement of the bolt, the safety of the invention is improved, and meanwhile, the user can control the bolt to transversely move through the clutch device, thereby being convenient for the user to use.

Drawings

FIG. 1 is a schematic diagram of the present invention.

Fig. 2 is a schematic structural view of fig. 1 with a part of the main body omitted.

Fig. 3 is a schematic view of fig. 2 from another perspective.

FIG. 4 is a schematic structural diagram of a key input portion according to a preferred embodiment of the present invention.

FIG. 5 is a schematic view of a rotary core according to a preferred embodiment of the present invention.

Fig. 6 is a schematic structural view of the secondary bolt in a preferred embodiment of the invention.

In the figure, 100, main body; 110. a key input unit; 111. shifting blocks; 112. a guide block; 113. a key insertion hole; 114. a power-assisted spring; 120. a latch bolt; 121. a card slot; 130. a second transmission gear; 131. an annular groove; 132. a limiting block; 140. a signal transmitter; 141. a signal receiver; 200. a clutch; 211. a drive shaft; 220. a worm gear; 221. a first drive gear; 300. a secondary lock tongue; 400. rotating the core; 401. a first link; 402. a second link; 410. an upper core body; 420. a main core body; 430. a lower core body; 500. pushing the plate; 510. a reinforcing plate; 600. a detection lever; 610. a detection member; 700. a tongue locking plate; 710. a fixing pin; 720. a chute.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 6, the door lock core mechanism is disposed on a door lock and the door lock is installed between a door body and a door frame, the door lock core mechanism includes a main body 100, a latch 120 device and a clutch device are disposed on the main body 100, the latch 120 device is transversely disposed on the latch 120 device, the clutch device can drive the latch 120 to move in a transverse direction along the main body 100, when the latch 120 extends out of the main body 100, the door body and the door frame can be folded, and when the latch 120 retracts into the main body 100, the door body and the door frame can be separated.

Preferably, the latch bolt 120 includes a lock body and a bolt body disposed at the front end of the lock body, specifically, the number of the bolt bodies is 3, and 3 bolt bodies are linearly disposed on the lock body side by side, the lock body can drive the 3 bolt bodies to synchronously extend out of or retract into the main body 100, and the arrangement of the 3 bolt bodies improves the safety of the present invention.

Further, a circuit board is disposed on the main body 100, a signal transmitter 140 is disposed at the rear end of the lock body, two signal receivers 141 corresponding to the signal transmitter 140 are disposed in parallel on the circuit board, the signal transmitter 140 is disposed between the two signal receivers 141, and the lock body can drive the signal transmitter 140 to move between the two signal receivers 141, and when the lock body drives the signal transmitter 140 to approach the signal receivers 141, the signal receivers 141 generate corresponding electrical signals to transmit to the circuit board, and the circuit board can receive the corresponding electrical signals and perform corresponding actions according to the electrical signals.

The locking tongue 120 further includes a key input part 110 connected to the lock body, a key insertion hole 113 is formed in the key input part 110, and a user can insert a key into the key insertion hole 113 and rotate the key in a circumferential direction to drive the key input part 110 to rotate synchronously, so that the key input part 110 can drive the tongue body to move in a transverse direction along the main body 100 through the lock body.

Preferably, a shifting block 111 is disposed on the key input portion 110, a clamping groove 121 corresponding to the shifting block 111 is disposed on the lock body, one end of the shifting block 111 is fixedly disposed on the key input portion 110, the other end of the shifting block 111 abuts against the clamping groove 121, and the key input portion 110 can drive the lock body to move in the transverse direction through the shifting block 111.

It is worth noting that the pushing block 111 is provided with a leaning part, one side of the leaning part is provided with a limiting surface with a conical shape, the symmetric axis of the limiting surface is horizontally arranged, and the other side of the leaning part is provided with an installation surface with a circular arc shape.

When the lock is in a closed state, the shifting block 111 drives the tongue body to extend out of the main body 100 through the lock body, the shifting block 111 is clamped in the clamping groove 121, the limiting surface on the shifting block 111 is tightly attached to the inner side wall of the clamping groove 121, the mounting surface is far away from the inner side wall of the clamping groove 121, the symmetric axis of the limiting surface at the front end of the shifting block 111 is horizontally arranged, and the rear end of the shifting block 111 is abutted to the key input part 110, so that the lock body is reversely locked, the lock body can be driven to move in the transverse direction through the shifting block 111 by the key input part 110 in the opening process, the phenomenon that the tongue body drives the shifting block 111 to reversely rotate through the lock body is avoided, the use safety of the lock is improved, and the phenomenon that a person maliciously prizes the tongue body to realize criminal activities through prying the tongue body to reversely move is also avoided.

Furthermore, a power spring 114 connected with the shifting block 111 is arranged on the main body 100, one end of the power spring 114 is connected with the shifting block 111, the other end of the power spring 114 is connected with the main body 100, and the power spring 114 is arranged to facilitate a user to rotate the tongue body through a key.

The clutch device includes a clutch 200 and a driving shaft 211, specifically, the clutch 200 is disposed on the main body 100 and electrically connected to a fingerprint lock and a combination lock of a door lock, the driving shaft 211 is disposed on the clutch 200 and one end of the driving shaft 211 is extended out of the clutch 200 and connected to the key input part 110.

In the working process of the invention, when a user inputs a preset fingerprint in the fingerprint lock or inputs a correct password in the password lock, the fingerprint lock and the password lock can both generate electric signals, and the electric signals can enable the clutch 200 to drive the key input part 110 to rotate circumferentially through the driving shaft 211, and enable the bolt 120 to extend out of or retract into the main body 100, thereby ensuring that both the fingerprint lock and the password lock can enable the door lock to be normally unlocked.

Preferably, a driving gear is disposed between the driving shaft 211 and the key input portion 110, and both ends of the driving gear are respectively engaged with both the driving shaft 211 and the key input portion 110, and during operation, the driving shaft 211 can drive the key input portion 110 to rotate circumferentially through the driving gear.

Further, the driving gear includes a worm gear 220 and a first transmission gear 221 which are coaxially disposed, wherein a worm corresponding to the worm gear 220 is disposed at a front end of the driving shaft 211, a second transmission gear 130 corresponding to the first transmission gear 221 is disposed on the key input portion 110, and during the transmission process, the driving shaft 211 drives the worm and the first transmission gear 221 to synchronously rotate through the worm gear 220, and drives the key input portion 110 to circumferentially rotate through the second transmission gear 130.

The worm gear 220 and the worm are matched to convert the axial rotation of the driving shaft 211 into the circumferential rotation of the key input part 110, and meanwhile, the transmission stability of the driving shaft 211 and the key input part 110 is improved, and the transmission precision is improved.

It should be noted that, an annular groove 131 is formed on the second transmission gear 130, the key input portion 110 extends into the annular groove 131, a limit block 132 protrudes from a side wall of the annular groove 131, a guide block 112 corresponding to the limit portion is arranged on the key input portion 110, and the second transmission gear 130 can drive the limit block 132 to rotate circumferentially and drive the key input portion 110 to rotate circumferentially through the guide block 112.

In the working process, the driving shaft 211 drives the first gear to rotate circumferentially through the worm wheel 220 and the worm, and the first transmission gear 221 drives the bolt 120 to move transversely along the main body 100 through the key input part 110, and when the bolt 120 moves to the designated position, the signal receiver 141 receives a corresponding electric signal to enable the driving shaft 211 to drive the first transmission gear 221 to rotate reversely by a certain angle, so that the waiting time required in the next locking or unlocking process is shortened, and the unlocking or locking by a key is facilitated for a user.

The main body 100 is provided with a sub latch 300 and a rotary core 400, and more particularly, the sub latch 300 is transversely provided on the main body 100, a first link 401 is provided between the latch 120 and the rotary core 400, and a second link 402 is provided between the rotary core 400 and the sub latch 300.

When the door lock is in a closed state, the locking bolt 120 and the secondary locking bolt 300 both extend out of the main body 100 and are in a locked state, and in an unlocking process, when the locking bolt 120 retracts inwards into the main body 100, the locking bolt 120 can drive the rotating core 400 to rotate circumferentially through the first connecting rod 401, and the rotating core 400 can drive the second connecting rod 402 to rotate so that the secondary locking bolt 300 is in an open state, and the secondary locking bolt 300 can retract inwards into the door body.

Preferably, the auxiliary bolt 300 can extend out of the main body 100 under the action of a spring in a normal state, and the door body can enable the auxiliary bolt 300 to retract into the main body 100 inwards when the door body rotates circumferentially relative to the door frame, the auxiliary bolt 300 is provided with a locking piece, when the auxiliary bolt 300 is in a closed state, the second connecting rod 402 can enable the auxiliary bolt 300 to be stationary through the locking piece, so that the door body and the door frame are locked by the bolt 120 and the auxiliary bolt 300 together, and the use safety of the invention is improved.

Further, the locking piece includes a push plate 500 and reinforcing plates 510 respectively disposed at both sides of the push plate 500, a connecting groove is opened on the push plate 500, a connecting portion corresponding to the connecting groove is disposed on the sub-latch 300, when the sub-latch 300 is in a closed state, the connecting portion is engaged in the connecting groove, so that the sub-latch 300 is stationary in a transverse direction, both the door body and the door frame are kept in a closed state, and the rotation core 400 can drive the second link 402 to rotate so that the connecting portion is separated from the connecting groove, so that the sub-latch 300 is unlocked and can transversely move along the main body 100 in the transverse direction.

Preferably, the rotary core 400 includes an upper core 410, a main core 420, and a lower core 430, which are coaxially disposed, the main core 420 being disposed between the upper core 410 and the lower core 430, wherein the outer handle is connected to the main core 420, and the inner handle is connected to the lower core 430.

It should be noted that if and only if the lock body retracts into the main body 100 during the door opening process, the lock body enables the upper core 410 to engage with the lower core 430 through the main core 420 by the first connecting rod 401, and the outer handle drives the upper core 410 to rotate circumferentially so that the main core 420 drives the second connecting rod 402 to rotate circumferentially through the lower core 430, so that the auxiliary bolt 300 is in an open state, and thus the door body can rotate circumferentially relative to the door frame.

Further, the inner handle can directly drive the lower core 430 to rotate circumferentially, so that the auxiliary bolt 300 is in an open state, and simultaneously, the lower core 430 can drive the upper core 410 to rotate circumferentially through the main core 420, so that the upper core 410 can retract inwards into the main body 100 through the bolt 120, and the door body and the door frame can rotate relatively.

The detection rod 600 is transversely arranged on the main body 100, the front end of the detection rod 600 extends out of the main body 100, the rear end of the detection rod 600 is provided with the detection piece 610, when the door body and the door frame are folded, the rear end of the detection rod 600 extends backwards into the detection piece 610, the detection piece 610 can generate a corresponding electric signal and transmit the electric signal to the circuit board, and the circuit board can know that the door body and the door frame are folded and generate corresponding actions according to the electric signal; when door body and door frame both kept away from, the front end of measuring rod 600 stretches out main part 100 outwards to detection piece 610 can produce the signal of telecommunication that corresponds and transmit to the circuit board, and the circuit board can learn door body and door frame both to keep away from and produce corresponding action according to this signal of telecommunication.

Preferably, the push plate 500 and the reinforcing plate 510 are both provided with connecting holes, the detection rod 600 is inserted into the connecting holes, the detection rod 600 is provided with an elastic member, and the arrangement of the elastic member ensures that the front end of the detection rod 600 can extend out of the main body 100 when the detection rod 600 is in an initial state, thereby ensuring the normal use of the present invention.

The two sides of the main body 100 are respectively provided with a tongue plate 700, the two sides of the tongue 120 are respectively provided with a fixing pin 710, the tongue plate 700 is provided with a sliding slot 720 corresponding to each fixing pin 710, each fixing pin 710 is respectively inserted into the corresponding sliding slot 720, and the tongue 120 can drive the fixing pins 710 to slide in the sliding slots 720 and enable the tongue plate 700 to move along the tongue 120 in the axial direction.

The movement of the tongue plate 700 in the axial direction can drive the top and bottom hooks at the upper and lower ends of the door body to move synchronously, and the top and bottom hooks can further ensure the connection stability of the door body and the door frame, thereby improving the use safety of the invention.

The working principle of the invention is as follows:

in the door opening process, a user inputs a fingerprint on a fingerprint lock on a door lock or inputs a correct password on a password lock, at the moment, the clutch 200 can drive the worm to rotate axially through the driving shaft 211, the worm wheel 220 and the first transmission gear 221 rotate along with the worm in the circumferential direction, the first transmission gear 221 can drive the key input part 110 to rotate in the circumferential direction through the second transmission gear 130, and therefore the shifting block 111 can drive the lock body and the tongue body to retract inwards into the main body 100 along the main body 100 under the action of the key input part 110;

meanwhile, the lock body can drive the rotating core 400 to rotate circumferentially through the first connecting rod 401 in the process of moving transversely along the main body 100, and the rotating core 400 drives the second connecting rod 402 to rotate, so that the locking piece is separated from the auxiliary locking tongue 300, the auxiliary locking tongue 300 can retract into the main body 100 inwards, and the safety lever extends out of the main body 100 outwards, so that a user can directly drive the door body to rotate circumferentially relative to the door frame through the handle;

of course, the user can insert the key into the key insertion hole 113 and rotate the key to drive the key input part 110 to open the door;

in the door closing process, when the door body and the door frame are closed, the safety rod retracts inwards into the main body 100, the detection piece 610 can generate an electric signal and transmit the electric signal to the circuit board, and the circuit board can control the clutch 200 to rotate reversely according to the electric signal, so that the driving shaft 211 drives the bolt 120 to extend outwards out of the main body 100 and is inserted into the door frame;

meanwhile, the second connecting rod 402 enables the locking piece to be clamped in the clamping groove 121, so that the auxiliary locking tongue 300 is in a locking state, and the door body and the door frame are folded.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. A door lock cylinder mechanism, comprising:

a main body;

the bolt device and the clutch device can respectively drive the bolt to extend out of or retract into the main body;

the deadbolt assembly further includes:

the shifting block is fixedly arranged on the key input part, a clamping groove corresponding to the shifting block is formed in the lock tongue, and one end of the shifting block abuts against the clamping groove;

the key input part can drive the lock tongue to move in the transverse direction through the shifting block, and the shifting block can be abutted against the clamping groove and enables the lock tongue to keep a static state;

the main body is provided with a power-assisted spring connected with the shifting block, one end of the power-assisted spring is connected with the shifting block, and the other end of the power-assisted spring is connected with the main body;

the clutch device includes:

a clutch provided on the main body;

the driving gear is arranged between the driving shaft and the key input part and comprises a worm gear and a first transmission gear which are coaxially arranged, the worm gear is connected with the driving shaft, and the first transmission gear is connected with the key input part;

the clutch can drive the worm gear and the first transmission gear to synchronously rotate through the driving shaft and drive the lock tongue to extend out of or retract into the main body through the key input part;

a second transmission gear corresponding to the first transmission gear is coaxially arranged on the key input part, an annular groove is formed in the second transmission gear, the key input part extends into the annular groove, a limiting block is fixedly arranged on the side wall of the annular groove, a guide block corresponding to the limiting block is arranged on the key input part, and when the limiting block abuts against the guide block, the second transmission gear can drive the key input part to synchronously rotate;

the main body is transversely provided with an auxiliary lock tongue, the main body is provided with a rotating core, a first connecting rod is arranged between the lock tongue and the rotating core, and a second connecting rod is arranged between the rotating core and the auxiliary lock tongue;

the rotating core comprises an upper core body, a main core body and a lower core body which are coaxially arranged, the main core body is arranged between the upper core body and the lower core body, the first connecting rod is connected with the upper core body, and the second connecting rod is connected with the lower core body;

a locking piece is arranged on the auxiliary bolt and is connected with a second connecting rod, and the second connecting rod can enable the auxiliary bolt to be switched between an opening state and a closing state through the locking piece;

the lock piece includes the push pedal and sets up respectively in the reinforcing plate of push pedal both sides, has seted up the spread groove in the push pedal, is provided with the connecting portion that correspond with the spread groove on vice spring bolt, and when connecting portion card was located in the spread groove, vice spring bolt was in the closed condition, and when connecting portion broke away from in the spread groove, vice spring bolt was in the open mode.

2. A door lock core locking mechanism according to claim 1, wherein a detecting rod is provided on the main body, a front end of the detecting rod is protruded outwardly of the main body, and a rear end of the detecting rod is provided with a detecting member.

3. A door lock core mechanism according to claim 2, wherein the bolt is provided with a bolt plate on both sides thereof, the bolt is provided with a fixing pin on both sides thereof, the bolt plate is provided with a sliding slot corresponding to each fixing pin, each fixing pin is inserted into the corresponding sliding slot, and the bolt can drive the fixing pin to slide in the sliding slot and move the bolt plate along the bolt in the axial direction.