CN111456541B

CN111456541B - Fingerprint coded lock core and cross tongue device thereof

Info

Publication number: CN111456541B
Application number: CN202010304365.9A
Authority: CN
Inventors: 何东海; 邰照坡; 耿书琴
Original assignee: Nanchang Puhui Industrial Co ltd
Current assignee: Nanchang Puhui Industrial Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2021-09-17
Anticipated expiration: 2040-04-17
Also published as: CN111456541A

Abstract

The invention relates to the field of fingerprint coded locks. A cross tongue device for a fingerprint coded lock core comprises a shell cross tongue rod, a cross tongue gear strip, a cross tongue driving gear, a cross tongue stop block, a cross tongue rod guide block, a first cross tongue rod stirring piece, a second cross tongue rod stirring piece and a cross tongue stirring wheel. The cross tongue stopping block presses the upper end face of the cross tongue gear strip, and the friction force between the cross tongue stopping block and the upper end face of the cross tongue gear strip is used for stopping the over-backward movement of the oblique tongue assembly. The more accurate drive latch bolt subassembly of gear mechanism of this patent blocks the striking between latch bolt subassembly and the dog with frictional force moreover, has prolonged the life of intelligent fingerprint trick lock.

Description

Fingerprint coded lock core and cross tongue device thereof

Technical Field

The invention relates to the field of fingerprint coded locks, in particular to a fingerprint coded lock core and a cross tongue device thereof.

Background

Along with the rapid development of the fingerprint coded lock industry, the security assurance of the fingerprint coded lock, the perception of the fingerprint coded lock on the door state and the service life of the fingerprint coded lock are more and more emphasized by people, and meanwhile, the indexes have important influence on the use of the fingerprint coded lock.

In a common fingerprint coded lock, a connecting rod mechanism is usually used for driving an oblique tongue component and a square tongue component to extend or contract, and a stop block is used at the rear end of an oblique tongue rod of the oblique tongue component for stopping the over-rear movement of the oblique tongue component. And the general fingerprint code lock independently carries out safety guarantee to the user in the room through setting up the insurance tongue subassembly. Through the arrangement of the dead bolt microswitch, when the dead bolt extends out or retracts, the dead bolt can contact or separate the microswitch, so that the door state can be sensed.

The existing fingerprint coded lock has the following defects: the connecting rod mechanism is inaccurate in movement, the stress of parts in the mechanism is large, and when the connecting rod mechanism drives the latch bolt assembly to extend out or contract and is blocked by the blocking block, a rod piece in the latch bolt assembly is easily deformed under stress, so that the service life of the fingerprint coded lock is influenced.

Disclosure of Invention

The invention aims to solve the problems that a connecting rod mechanism in the existing fingerprint coded lock is inaccurate in movement, internal parts of the mechanism are stressed greatly, a rod piece in an oblique tongue assembly is easy to deform under stress when the connecting rod mechanism drives the oblique tongue assembly to extend or contract and is blocked by a blocking block, and the service life of the intelligent fingerprint coded lock is prolonged. The inclined tongue component is driven more accurately by the gear mechanism, and the inclined tongue component is blocked by friction force, so that the impact between the inclined tongue component and the stop block is avoided, and the service life of the intelligent fingerprint coded lock is prolonged.

In order to achieve the purpose, the invention adopts the following technical scheme:

a cross tongue device for a fingerprint coded lock core comprises a shell, cross tongue rods, cross tongue gear strips, cross tongue driving gears, cross tongue stop blocks, cross tongue rod guide blocks, a first cross tongue rod stirring piece, a second cross tongue rod stirring piece and cross tongue stirring wheels. The cross tongue rod is in a long strip shape, the right end of the cross tongue rod is embedded in the corresponding hole position of the shell, and the right end of the cross tongue rod protrudes out of the right end face of the shell. The cross tongue rod guide block is fixed on the left side inside the casing, a groove is formed in the middle of the cross tongue rod guide block, the groove of the cross tongue rod guide block is opposite to the cross tongue rod and the casing embedding hole, and the left end of the cross tongue rod is embedded in the groove in the middle of the cross tongue rod guide block. The crossed tongue gear strip is fixed in the middle of the crossed tongue rod, a through hole is formed in the middle of the crossed tongue gear strip, and the middle section of the crossed tongue rod penetrates through the through hole in the middle of the crossed tongue gear strip. The lower part of the crossed-tongue gear strip is of a rack structure, and the lower rack structure of the crossed-tongue gear strip is meshed with the crossed-tongue driving gear. The inner hole of the crossed tongue driving gear is embedded in a corresponding shaft column of the shell, and the crossed tongue driving gear is meshed with the crossed tongue stopping block and the crossed tongue gear strip. The cross tongue stop block is positioned at the upper end of the casing, a bulge is arranged on the lower end surface of the cross tongue stop block, and the bulge at the lower end of the cross tongue stop block is embedded in a corresponding groove of the casing. The lower end of the right side surface of the crossed tongue stop block is provided with a rack structure, and the rack structure of the crossed tongue stop block is meshed with the crossed tongue driving gear. The cross tongue poking wheel, the first cross tongue rod poking piece and the second cross tongue rod poking piece are matched with corresponding shaft columns or hole positions of the shell, the first cross tongue rod poking piece is driven to rotate by rotation of the cross tongue poking wheel, and the second cross tongue rod poking piece is driven to rotate by rotation of the first cross tongue rod poking piece.

Preferably, the cross tongue stop comprises a stop body, a stop crimping surface, a stop surface, a stop slider and a stop rack. The stop surface of the stop block is positioned on the upper end surface of the stop block. The stop block pressing surface is positioned on the upper end surface and the lower end surface of the stop block, and the stop block pressing surface and the stop block stop surface are opposite surfaces. When the cross tongue stopping block moves backwards, the pressing surface of the stopping block is attached to the upper end surface of the cross tongue stopping block. The stop block sliding block is in a convex shape and is matched with the groove in the vertical direction of the machine shell. The stop block rack is meshed with the lower gear of the crossed tongue driving gear.

Preferably, the width of the stop surface of the stop block is greater than the width of the groove of the corresponding housing.

Preferably, the cross-tongue bar includes a cross-tongue body and a cross-tongue head. The head part of the crossed tongue is formed by mutually embedding two inclined tongues in opposite directions, the inclined tongue inclined plane of the head part of the crossed tongue faces inwards, and the inclined tongue plane of the head part of the crossed tongue faces outwards.

Preferably, the cross-tongue drive gear comprises a cross-tongue drive upper gear and a cross-tongue drive lower gear. The crossed tongue driving upper gear is meshed with the crossed tongue gear strip, and the crossed tongue driving lower gear is meshed with the crossed tongue stopping block.

Preferably, the cross-tongue driving gear is made of one of plastic, stainless steel and carbon steel.

Preferably, the cross-tongue driving gear is made of stainless steel.

Preferably, the first cross-tongue lever shifting member includes a first cross-tongue lever shifting member upper member and a first cross-tongue lever shifting member lower member. The left side of the first cross tongue bar stirring piece is provided with a hole site, the lower end of the first cross tongue bar stirring piece is an arc-shaped groove, and the hole site on the left side of the first cross tongue bar stirring piece is matched with the corresponding shaft post of the machine shell. The first cross tongue bar stirring piece lower piece is positioned below the first cross tongue bar stirring piece upper piece, the upper end of the first cross tongue bar stirring piece lower piece is provided with an arc-shaped bulge, and the bulge at the upper end of the first cross tongue bar stirring piece lower piece is matched with an arc-shaped groove below the first cross tongue bar stirring piece upper piece.

Preferably, the first cross tongue bar shifting piece lower piece is of an arc structure, and the lower end of the first cross tongue bar shifting piece lower piece is of an unequal-height structure.

In addition, the invention also discloses a fingerprint coded lock core, which comprises a shell, a cross tongue device, a square tongue assembly, a top and bottom rod assembly, a safety tongue assembly and a door opening and closing induction assembly. The cross tongue device for the lock core of the fingerprint coded lock is adopted. The cross tongue device is positioned at the upper part of the shell, the square tongue component is positioned at the lower part of the cross tongue device, and the cross tongue device is connected with the square tongue component through a poke rod. The safety tongue assembly is positioned at the lower part of the dead tongue device and is an independent part. The door opening and closing sensing assembly is fixed on the inner side of the shell and is positioned between the cross tongue device and the square tongue assembly. The top and bottom rod assembly is fixed on the right side of the inner side of the shell, the top and bottom rod assembly is located below the cross tongue device, the dead bolt assembly, the safety tongue assembly and the door opening and closing sensing assembly, and the top and bottom rod assembly is connected with the dead bolt assembly through a gear.

The cross tongue device for the lock core of the fingerprint coded lock adopting the technical scheme has the advantages that:

the oblique tongue component is driven to move by the gear, the upper end face of the crossed tongue gear strip is pressed by the crossed tongue stop block, and the over-rear movement of the oblique tongue component is stopped by the friction force between the crossed tongue stop block and the upper end face of the crossed tongue gear strip. The gear mechanism drives the latch bolt assembly more accurately, and the friction force is used for blocking the latch bolt assembly, so that the impact between the latch bolt assembly and the stop block is avoided, and the service life of the fingerprint coded lock is prolonged.

Drawings

Fig. 1 is a schematic structural diagram of a lock cylinder device of a fingerprint coded lock in the embodiment of the invention.

FIG. 2 is a schematic structural view of a cross-tongue assembly.

Fig. 3 is a schematic structural view of the cross tongue stopper.

FIG. 4 is a schematic diagram of a cross-lingual drive gear.

Fig. 5 is a schematic structural view of the first cross tongue bar toggle piece.

FIG. 6 is a schematic view of the construction of the tongue assembly.

FIG. 7 is a schematic view of the stop body of the dead bolt.

FIG. 8 is a schematic view of the construction of the dead bolt slider.

FIG. 9 is a schematic view of the construction of a dead bolt microswitch assembly.

Fig. 10 is a schematic structural view of a dead bolt stop microswitch paddle.

Fig. 11 is a schematic structural diagram of a door opening and closing sensing assembly.

Detailed Description

The following describes in detail embodiments of the present invention with reference to the drawings.

Example 1

A fingerprint coded lock comprises a fingerprint code identification panel, a driving device and a lock cylinder device, wherein the lock cylinder device shown in figure 1 comprises a shell 1, a cross tongue component 2, a square tongue component 3, a top and bottom rod component 4, a safety tongue component 5 and a door opening and closing induction component 6. The cross tongue component 2 is positioned at the upper part of the machine shell 1, the square tongue component 3 is positioned at the lower part of the cross tongue component 2, and the cross tongue component 2 is connected with the square tongue component 3 through a poke rod. The safety tongue component 5 is positioned at the lower part of the dead tongue component 3, and the safety tongue component 5 is an independent component. The door opening and closing sensing component 6 is fixed on the inner side of the machine shell 1, and the door opening and closing sensing component 6 is positioned between the cross tongue component 2 and the square tongue component 3. The top and bottom rod assembly 4 is fixed on the right side of the inner side of the machine shell 1, the top and bottom rod assembly 4 is positioned below the cross tongue assembly 2, the square tongue assembly 3, the safety tongue assembly 5 and the door opening and closing induction assembly 6, and the top and bottom rod assembly 4 is connected with the square tongue assembly 3 through a gear.

As shown in fig. 2, the cross tongue assembly 2 includes a cross tongue bar 21, a cross tongue gear bar 22, a cross tongue drive gear 23, a cross tongue stop 24, a cross tongue bar guide 25, a first cross tongue bar toggle 26, a second cross tongue bar toggle 27, and a cross tongue toggle 28. The cross tongue rod 21 is long, the right end of the cross tongue rod 21 is embedded in the corresponding hole position of the casing 1, and the right end of the cross tongue rod 21 protrudes out of the right end face of the casing 1. The cross tongue bar guide block 25 is fixed on the left side inside the casing 1, the middle of the cross tongue bar guide block 25 is provided with a groove, the groove of the cross tongue bar guide block 25 is opposite to the tabling hole position of the cross tongue bar 21 and the casing 1, and the left end of the cross tongue bar 21 is tabling in the groove in the middle of the cross tongue bar guide block 25. The crossed tongue gear strip 22 is fixed in the middle of the crossed tongue rod 21, a through hole is formed in the middle of the crossed tongue gear strip 22, and the middle section of the crossed tongue rod 21 penetrates through the through hole in the middle of the crossed tongue gear strip 22. The lower part of the crossed-tongue gear strip 22 is of a rack structure, and the lower rack structure of the crossed-tongue gear strip is meshed with the crossed-tongue driving gear 23. The inner hole of the cross tongue driving gear 23 is embedded in the corresponding shaft column of the machine shell 1. The cross tongue stop block 24 is positioned at the upper end of the machine shell 1, the lower end surface of the cross tongue stop block 24 is provided with a bulge, and the bulge at the lower end of the cross tongue stop block 24 is embedded in the corresponding groove of the machine shell 1. The lower end of the right side face of the crossed tongue stopping block 24 is provided with a rack structure, and the rack structure of the crossed tongue stopping block 24 is meshed with a lower gear of the crossed tongue driving gear 23. The cross tongue toggle wheel 28, the first cross tongue bar toggle piece 26 and the second cross tongue bar toggle piece 27 are all matched with corresponding shaft posts or hole positions of the machine shell 1, the rotation of the cross tongue toggle wheel 28 drives the first cross tongue bar toggle piece 26 to rotate, and the rotation of the first cross tongue bar toggle piece 26 drives the second cross tongue bar toggle piece 27 to rotate. The cross-tongue bar 21 includes a cross-tongue body 211 and a cross-tongue head 212. The cross tongue head 212 is formed by mutually embedding two oblique tongues in opposite directions, the oblique tongue inclined plane of the cross tongue head 212 faces inwards, and the oblique tongue plane of the cross tongue head 212 faces outwards.

As shown in fig. 3, the cross tongue stop 24 includes a stop body 241, a stop press face 242, a stop face 243, a stop slider 244 and a stop rack 245. The stop block stop surface 243 is located on the upper end surface of the cross tongue stop block 24, and the width of the stop block stop surface 243 is larger than the width of the corresponding groove of the machine case 1. The stop block pressing surface 242 is located on the upper and lower end surfaces of the stop block, and the stop block pressing surface 242 and the stop block stop surface 243 are opposite surfaces. When the cross tongue stop 24 is moved rearward, the stop block crimping surface 242 engages the upper end surface of the cross tongue stop 24. The stopper slider 244 is protruded to be engaged with the groove in the up-down direction of the casing 1. The stop block rack 245 is engaged with the lower gear of the cross-tongue drive gear 23.

As shown in fig. 4, the cross-tongue drive gear 23 includes a cross-tongue drive upper gear 231 and a cross-tongue drive lower gear 232. The cross tongue driving upper gear 231 is engaged with the cross tongue gear bar 22, and the cross tongue driving lower gear 232 is engaged with the cross tongue stopper 24.

As shown in fig. 5, the first cross-tongue bar toggle 26 includes a first cross-tongue bar toggle upper member 261 and a first cross-tongue bar toggle lower member 262. The left side of the first cross tongue bar toggle piece upper piece 261 is provided with a hole site, the lower end of the first cross tongue bar toggle piece upper piece 261 is an arc-shaped groove, and the hole site on the left side of the first cross tongue bar toggle piece upper piece 261 is matched with the corresponding shaft post of the machine shell 1. The first cross tongue bar shifting piece lower part 262 is positioned below the first cross tongue bar shifting piece upper part 261, the upper end of the first cross tongue bar shifting piece lower part 262 is provided with an arc-shaped bulge, and the bulge at the upper end of the first cross tongue bar shifting piece lower part 262 is matched with an arc-shaped groove below the first cross tongue bar shifting piece upper part 261.

In the working process of the cross tongue assembly 2, the cross tongue toggle wheel 28 rotates to drive the first cross tongue bar toggle piece 26 to rotate, and the first cross tongue bar toggle piece 26 rotates to drive the second cross tongue bar toggle piece 27 to rotate. The second cross-tongue bar toggle member 27 toggles the cross-tongue bar guide 25 to move backward, and the cross-tongue bar 21 drives the cross-tongue gear strip 22 to move backward. The crossed tongue gear strip 22 drives the crossed tongue driving gear 23 to rotate through the rack, and the crossed tongue driving gear 23 is meshed with the crossed tongue stop block 24 to drive the crossed tongue stop block 24 to move downwards. When the head of the cross-latch rod 21 moves into the interior of the housing 1, the stop block pressing surface 242 presses the upper end surface of the cross-latch gear rack 22, and the cross-latch rod 21 is stopped from moving backward by the friction force of the stop block pressing surface 242.

The crossed tongue component 2 solves the problems that the movement of a connecting rod mechanism is not accurate, the stress of parts in the mechanism is large, and when the connecting rod mechanism drives the oblique tongue component to extend or contract and is blocked by a blocking block, a rod piece in the oblique tongue component is easily stressed and deformed, and the service life of the intelligent fingerprint coded lock is influenced. The backward movement process of the crossed tongue rod 21 is driven by the crossed tongue gear strip 22 and the crossed tongue driving gear 23, the gear mechanism is accurate in transmission, the transmission process is stable, and the service life of the intelligent fingerprint coded lock is prolonged. Meanwhile, the cross tongue bar 21 is prevented from moving backwards by the stopper pressing surface 242 pressing the upper end surface of the cross tongue gear bar 22, and the cross tongue bar 21 is stopped from moving backwards by the friction force of the stopper pressing surface 242. The cross tongue bar 21 is prevented from moving backwards by friction force, so that the collision of the cross tongue bar 21 is avoided, the excessive damage of the cross tongue bar 21 is avoided, and the service life of the cross tongue bar 21 is prolonged.

As shown in fig. 6, the tongue assembly 3 includes a tongue block 31, a tongue block stopper 32, and a tongue block microswitch 33. The square tongue block 31 is strip-shaped, the right end of the square tongue block 31 is matched with the corresponding hole position of the machine shell 1, and the left end of the square tongue block 31 is contacted with the lower end of the first cross tongue rod stirring piece 26. The right side of the lower end of the square tongue block 31 is of a rack structure, and the rack of the square tongue block 31 is meshed with a gear in the top and bottom rod assembly 4. The dead body 32 of the square tongue piece is fixed in the middle of the machine shell 1, the dead body 32 of the square tongue piece is positioned at the left side of the middle of the square tongue piece 31, and the groove in the dead body 32 of the square tongue piece is matched with the square tongue piece 31. The two square tongue block micro switches 33 are arranged side by side and distributed at intervals, the square tongue block micro switches 33 are positioned at the rear ends of the square tongue blocks 31, and the square tongue block micro switches 33 are in contact with the rear ends of the square tongue blocks 31.

As shown in fig. 7, the latch stop body 32 includes a latch stop wheel 321, a latch stop slider 322, a latch stop slider seat 323, and a latch stop microswitch assembly 324. The square tongue stopping wheel 321 is positioned at the upper part of the square tongue component 3, and the square tongue stopping wheel 321 is embedded in the corresponding hole position of the machine shell 1. The dead bolt stop block base 323 is fixed on the machine shell 1. The upper end of the dead bolt stop slide block 322 is embedded in the groove of the dead bolt stop wheel 321, the lower end of the dead bolt stop slide block 322 is matched with the hole position on the dead bolt stop slide block seat 323, and the middle part of the dead bolt stop slide block 322 is matched with the shaft post at the corresponding position of the machine shell 1. The dead bolt stop microswitch assembly 324 is positioned at the right side of the dead bolt stop wheel 321, and is contacted with or separated from the dead bolt stop microswitch assembly 324 in the rotation process of the dead bolt stop wheel 321.

As shown in fig. 8, the dead bolt stop slider 322 includes a dead bolt stop slider groove 3221, a dead bolt stop slider sliding groove 3222, a dead bolt stop slider position-limiting protrusion 3223, and a dead bolt stop slider guide post 3224. The dead bolt stop slider groove 3221 is located at the upper end of the dead bolt stop slider 322, and the dead bolt stop slider groove 3221 is hollowed in the left-right direction. The dead bolt stop slider groove 3221 divides the dead bolt stop slider 322 main body into an upper and a lower structure, and the dead bolt stop slider groove 3221 is matched with the rear end of the dead bolt block 31. The dead bolt stop slider sliding groove 3222 is located at the upper end of the dead bolt stop slider 322, the dead bolt stop slider sliding groove 3222 is an empty sliding groove in the up-down direction, and the dead bolt stop slider sliding groove 3222 is matched with a shaft post at a corresponding position of the casing 1. The dead bolt stop slider guide post 3224 is located at the lower end of the dead bolt stop slider 322, the dead bolt stop slider guide post 3224 protrudes out of the body of the dead bolt stop slider 322, and the dead bolt stop slider guide post 3224 is matched with the hole position on the dead bolt stop slider seat 323. The dead bolt stop slider position limiting projection 3223 is located on the inner wall of the lower end of the dead bolt stop slider groove 3221, the dead bolt stop slider position limiting projection 3223 is arc-shaped, and the dead bolt stop slider position limiting projection 3223 corresponds to the arc-shaped groove of the dead bolt block 31.

As shown in fig. 9, the deadbolt-stop microswitch assembly 324 includes a deadbolt-stop microswitch 3241 and a deadbolt-stop microswitch paddle 3242. The dead bolt micro switch 3241 is fixed inside the casing 1, and the dead bolt micro switch 3241 is positioned at the upper right of the dead bolt wheel 321. The square tongue stopping microswitch shifting sheet 3242 is positioned below the square tongue stopping microswitch 3241, and the hole position at the lower end of the square tongue stopping microswitch shifting sheet 3242 is matched with the shaft post at the corresponding position in the machine shell 1.

As shown in fig. 10, the toggle stop microswitch paddle 3242 comprises a toggle stop microswitch paddle body 32421, a toggle stop switch paddle contact 32422, a toggle stop switch paddle spring point 32423 and a toggle stop switch paddle rotation part 32424. The square tongue stop microswitch shifting sheet main body 32421 is of a sheet metal strip structure. The square tongue stop switch shifting piece contact 32422 is positioned at the upper end of the square tongue stop microswitch shifting piece 3242, and the square tongue stop switch shifting piece contact 32422 is contacted with or separated from the square tongue stop microswitch 3241 in the rotating process. The square tongue stop switch shifting piece elastic point 32423 is positioned below the square tongue stop micro switch shifting piece 3242, the square tongue stop switch shifting piece elastic point 32423 warps towards the left side, and the square tongue stop switch shifting piece is connected with the torsion spring to provide a force for the square tongue stop switch shifting piece to the left. The rotating part 32424 of the toggle piece of the toggle stop switch is located above the toggle point 32423 of the toggle piece of the toggle stop switch, and the hole position 32424 of the rotating part of the toggle piece of the toggle stop switch is matched with the shaft post at the corresponding position of the machine shell 1.

During the movement of the dead bolt assembly 3, the dead bolt stopping wheel 321 drives the dead bolt stopping slider 322, and the dead bolt stopping slider 322 moves downwards along the dead bolt stopping slider chute 3222. The limit protrusion 3223 of the dead-stop sliding block of the dead bolt is separated from the corresponding groove of the dead bolt block 31, and the dead bolt block 31 is driven by the top and bottom lever driving gear to move outwards. The rear end contact of the square tongue block 31 moves from the left micro switch to the right micro switch. When the square tongue piece 31 needs to be locked, the square tongue stopping wheel 321 is rotated, and the square tongue stopping slider 322 moves upwards along the square tongue stopping slider chute 3222. The limit projection 3223 of the dead bolt stop slider is embedded in the corresponding groove of the dead bolt block 31, and the dead bolt block 31 stops moving.

The dead bolt assembly 3 solves the problem that the safety bolt assembly 5 is weaker than the dead bolt assembly, and the safety coefficient of the door is lower only by relying on the safety bolt assembly 5 after the dead bolt assembly is retracted. The square tongue stopping wheel 321 is arranged to shift the square tongue stopping sliding block 322, the limiting protrusion 3223 of the square tongue stopping sliding block is embedded into the square tongue block 31, and the square tongue block 31 is prevented from extending or contracting, so that the square tongue block 31 and the safety tongue assembly 5 can provide safety guarantee for the intelligent fingerprint coded lock together. Simultaneously through setting up the upper end and the lower extreme that world pole subassembly 4 caught on the door, further prevent that the door from being opened easily, promoted intelligent fingerprint code lock's factor of safety.

As shown in fig. 11, the door opening and closing sensing assembly 6 includes a door opening and closing sensing rod 61, a door opening and closing sensing rod fixing seat 62, a door opening and closing sensing piece 63, and a door opening and closing microswitch 64. The door opening and closing sensing rod fixing seat 62 is fixed on the inner side of the machine shell 1, and the middle of the door opening and closing sensing rod fixing seat 62 is of a hole-shaped structure. The head of the door opening and closing sensing rod piece 61 is matched with the corresponding hole position of the machine shell 1, and the tail of the door opening and closing sensing rod piece 61 penetrates through the hole position of the door opening and closing sensing rod piece fixing seat 62 and is horizontally placed. The lower end of the door opening and closing induction sheet 63 is fixed at the head of the door opening and closing induction rod piece 61, and the hole position at the upper end of the door opening and closing induction sheet 63 is matched with the door opening and closing induction rod. The door opening and closing sensing piece 63 is in contact with or separated from the micro switch when moving. The microswitch is fixed in the shell 1, and the microswitch induction sheet faces inwards.

In the working process of the door opening and closing sensing assembly 6, when the door is in a closed state, the head of the door opening and closing sensing rod 61 is pressed and retracted into the machine shell 1, the door opening and closing sensing piece 63 is separated from the door opening and closing microswitch 64, and the controller senses the door closing state. When the door is in an open state, the door opening and closing sensing piece 63 is in contact with the door opening and closing microswitch 64, and the controller senses the door opening state.

The door opening and closing sensing assembly 6 solves the problems that only a dead bolt microswitch is arranged, the opening or closing state of the door is sensed to be inaccurate by sensing the extension or contraction of the dead bolt, and when the door is in the opening state, the extension and retraction of the dead bolt can not accurately judge the state of the door. The door opening and closing sensing assembly 6 is arranged on the side face of the machine shell 1, the sensing of the opening and closing state of the door is increased, and the door opening and closing sensing piece 63 is in contact with or separated from the microswitch when the door is in different states. The sensing that only the dead bolt component 3 extends or contracts is supplemented, so that the sensing of the opening and closing state of the door is more accurate.

The unlocking method of the fingerprint coded lock adopts the fingerprint coded lock cylinder, and comprises the following steps:

1) the control device receives the unlocking signal, and the unlocking signal is sent to a crossed tongue toggle wheel 28 of the intelligent fingerprint coded lock;

2) the cross tongue poking wheel 28 rotates, and the cross tongue poking wheel 28 drives the first cross tongue rod poking piece 26 and the second cross tongue rod poking piece 27;

3) the second cross tongue bar stirring piece 27 drives the cross tongue bar 21 to move backwards, and the cross tongue gear strip 22 drives the upper gear wheel of the cross tongue driving gear 23 to rotate;

4) the lower gear of the crossed tongue driving gear 23 rotates to drive the crossed tongue stopping block 24 to move downwards, and after the head part 212 of the crossed tongue retracts into the machine shell 1, the crossed tongue stopping block 24 presses the upper end surface of the crossed tongue gear strip 22;

5) the top and bottom rod driving gear rotates, the top and bottom rod driving gear drives the top and bottom rod upper rod piece and the top and bottom rod lower rod piece to move towards the inner side of the shell 1, and the unlocking process of the intelligent fingerprint coded lock is completed.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention, including any reference to the above-mentioned embodiments. Various modifications to the embodiments will be readily apparent to those skilled in the art. The general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A cross tongue device for a fingerprint coded lock core is characterized by comprising a machine shell (1), cross tongue rods (21), cross tongue gear strips (22), cross tongue driving gears (23), cross tongue stop blocks (24), cross tongue rod guide blocks (25), a first cross tongue rod stirring piece (26), a second cross tongue rod stirring piece (27) and cross tongue stirring wheels (28); the cross tongue rod (21) is long, the right end of the cross tongue rod (21) is embedded in a corresponding hole of the casing (1), and the right end of the cross tongue rod (21) protrudes out of the right end face of the casing (1); the cross tongue rod guide block (25) is fixed on the left side inside the casing (1), a groove is formed in the middle of the cross tongue rod guide block (25), the groove of the cross tongue rod guide block (25) is opposite to the embedding hole of the cross tongue rod (21) and the casing (1), and the left end of the cross tongue rod (21) is embedded in the groove in the middle of the cross tongue rod guide block (25); the crossed tongue gear strip (22) is fixed in the middle of the crossed tongue rod (21), a through hole is formed in the middle of the crossed tongue gear strip (22), and the middle section of the crossed tongue rod (21) penetrates through the through hole in the middle of the crossed tongue gear strip (22); the lower part of the crossed tongue gear strip (22) is of a rack structure, and the lower rack structure of the crossed tongue gear strip is meshed with the crossed tongue driving gear (23); the inner hole of the crossed tongue driving gear (23) is embedded in a corresponding shaft column of the machine shell (1), and the crossed tongue driving gear (23) is meshed with a crossed tongue stop block (24) and a crossed tongue gear strip (22); the cross tongue stopping block (24) is positioned at the upper end of the machine shell (1), a bulge is arranged on the lower end surface of the cross tongue stopping block (24), and the bulge at the lower end of the cross tongue stopping block (24) is embedded in a corresponding groove of the machine shell (1); the lower end of the right side face of the crossed tongue stopping block (24) is provided with a rack structure, and the rack structure of the crossed tongue stopping block (24) is meshed with the crossed tongue driving gear (23); the cross tongue poking wheel (28), the first cross tongue rod poking piece (26) and the second cross tongue rod poking piece (27) are matched with corresponding shaft columns or hole positions of the machine shell (1); the rotation of the cross tongue poking wheel (28) drives the first cross tongue rod poking piece (26) to rotate, the first cross tongue rod poking piece (26) drives the second cross tongue rod poking piece (27) to rotate,

the second cross tongue rod stirring piece drives the cross tongue rod to move backwards, the cross tongue rod drives the cross tongue gear strip to move backwards, the cross tongue gear strip drives the cross tongue driving gear to rotate through the rack, and the cross tongue driving gear is meshed with the cross tongue stopping block to drive the cross tongue stopping block to move downwards.

2. The cross-tongue arrangement for a fingerprint combination lock cylinder according to claim 1, wherein the cross-tongue stop (24) comprises a stop body (241), a stop press face (242), a stop face (243), a stop slider (244) and a stop rack (245); the stop block stop surface (243) is positioned on the upper end surface of the stop block; the stop block pressing surface (242) is positioned on the lower end surface of the upper part of the stop block, and the stop block pressing surface (242) and the stop block stop surface (243) are opposite surfaces; when the cross tongue stopping block (24) moves backwards, the stopping block pressing surface (242) is attached to the upper end surface of the cross tongue stopping block (24); the stop block sliding block (244) is in a convex shape and is matched with a groove in the vertical direction of the machine shell (1); the stop block rack (245) is meshed with a lower gear of the crossed tongue driving gear (23).

3. A cross tongue arrangement for a fingerprint coded lock cylinder according to claim 2, characterized in that the stop block stop surface (243) has a width greater than the width of the groove of the corresponding housing (1).

4. The cross-tongue arrangement for a lock cylinder of a fingerprint combination lock according to claim 1, wherein the cross-tongue rod (21) comprises a cross-tongue body (211) and a cross-tongue head (212); the head part (212) of the cross tongue is formed by mutually embedding two oblique tongues in opposite directions, the oblique tongue inclined surface of the head part (212) of the cross tongue faces inwards, and the oblique tongue plane of the head part (212) of the cross tongue faces outwards.

5. The cross-tongue arrangement for a lock cylinder of a fingerprint combination lock according to claim 1, wherein the cross-tongue drive gear (23) comprises a cross-tongue drive upper gear (231) and a cross-tongue drive lower gear (232); the crossed tongue driving upper gear (231) is meshed with the crossed tongue gear strip (22), and the crossed tongue driving lower gear (232) is meshed with the crossed tongue stopping block (24).

6. The cross-tongue device for a lock cylinder of a fingerprint coded lock according to claim 1, wherein the cross-tongue driving gear (23) is made of one of plastic, stainless steel and carbon steel.

7. The cross-tongue arrangement for a lock cylinder of a fingerprint combination lock according to claim 1, wherein the first cross-tongue bar toggle (26) comprises a first cross-tongue bar toggle upper member (261) and a first cross-tongue bar toggle lower member (262); a hole position is arranged on the left side of the first cross tongue bar stirring piece upper piece (261), the lower end of the first cross tongue bar stirring piece upper piece (261) is an arc-shaped groove, and the hole position on the left side of the first cross tongue bar stirring piece upper piece (261) is matched with a corresponding shaft column of the machine shell (1); the first cross tongue bar shifting piece lower piece (262) is positioned below the first cross tongue bar shifting piece upper piece (261), the upper end of the first cross tongue bar shifting piece lower piece (262) is provided with an arc-shaped bulge, and the bulge at the upper end of the first cross tongue bar shifting piece lower piece (262) is matched with an arc-shaped groove below the first cross tongue bar shifting piece upper piece (261).

8. The cross-tongue arrangement for a lock cylinder of a fingerprint coded lock according to claim 7, wherein the first cross-tongue bar shifting member lower member (262) is of an arc-shaped structure, and the lower end of the first cross-tongue bar shifting member lower member (262) is of an unequal height structure.

9. A fingerprint coded lock core is characterized by comprising a shell (1), a cross tongue device, a square tongue component (3), a world rod component (4), a safety tongue component (5) and a door opening and closing induction component (6); the crossed tongue apparatus of claim 1.