CN219138702U

CN219138702U - Safe escape electronic door lock

Info

Publication number: CN219138702U
Application number: CN202320118828.1U
Authority: CN
Inventors: 陈梅芳; 吴思勇
Original assignee: Zhongshan Royalwand Hardware Co ltd
Current assignee: Zhongshan Royalwand Hardware Co ltd
Priority date: 2022-01-30
Filing date: 2023-01-29
Publication date: 2023-06-06
Anticipated expiration: 2033-01-29

Abstract

The utility model discloses a safe escape electronic door lock, which comprises a lock body, wherein the lock body is provided with an inclined tongue component, a square tongue component, a shifting fork mechanism, a clutch driver, a lock cylinder and a control circuit; the shifting fork mechanism comprises a door inner rotor, a door outer rotor, a shell component for installing the rotor, a clutch block for driving the door outer rotor to be connected with the shell component, wherein the door inner rotor and the door outer rotor are respectively and independently in running fit with the shell component, the clutch block is movably arranged beside the outer sides of the two rotors and driven by a clutch driver, the shell component is provided with an unlocking transmission part for unlocking the inclined tongue component and the square tongue component, the door inner rotor is provided with a first shell transmission part and a first locking transmission part, the first shell transmission part is used for driving the shell component to move, and the first locking transmission part is used for driving the square tongue component to stretch out. The door inner rotor with the structure is not linked with the door outer rotor, and the door inner rotor can be rotated at any time to unlock the door, so that the function of safe escape is realized.

Description

Safe escape electronic door lock

Technical Field

The utility model relates to an electronic door lock, in particular to a safe escape electronic door lock.

Background

The Chinese patent publication No. CN206903401U discloses an electronic lock clutch shifting fork assembly in 1 month 19 of 2018, because the independent reset springs arranged in the left shifting fork and the right shifting fork respectively play a role in resetting the left shifting fork and the right shifting fork, dislocation of the shifting fork assembly is prevented, so that square holes of the left shifting fork and the right shifting fork are in parallel and vertical concentric states with square holes of the middle shifting fork, and the fact that a motor clutch in the lock body can push pins in the shifting fork assembly to accurately enter concentric holes of the shifting fork assembly after each power is on is ensured, and the left shifting fork and the right shifting fork can be hung on two sides of the pins of the shifting fork, so that idle rotation can not occur when a handle is pressed down, and the situation that a door cannot be opened can not occur. The shifting fork assembly of the structure comprises a left shifting fork, a middle shifting fork and a right shifting fork, the structure is complex, in addition, after a pin enters the shifting fork assembly, the left shifting fork, the middle shifting fork and the right shifting fork are linked, once an outer handle of a door is blocked, the door cannot be opened, and potential safety hazards exist.

In addition, the front shifting fork and the rear shifting fork of the structure are connected with the handle when being installed and used, the left shifting fork and the right shifting fork are reset through the external torsion spring, the installation difficulty of the door lock is increased, and the torsion spring has no good bearing force, so that the handle connected with the shifting fork is easy to loose.

Disclosure of Invention

The utility model aims to provide a safe escape electronic door lock which has a simple and reasonable structure and is characterized in that a door inner rotor is not linked with a door outer rotor.

The purpose of the utility model is realized in the following way:

the utility model provides a safe electronic door lock of fleing, includes the lock body, is equipped with latch bolt subassembly, square tongue subassembly on the lock body, is used for driving shift fork mechanism, clutch driver, lock core and the control circuit of latch bolt subassembly and square tongue subassembly, control circuit and clutch driver electric connection, lock core and square tongue subassembly and latch bolt subassembly transmission connection, its characterized in that: the shifting fork mechanism comprises a door inner rotor, a door outer rotor, a shell component for installing the rotor and a clutch block for connecting the door outer rotor and the shell component in a transmission way, and the door inner rotor and the door outer rotor are respectively and independently matched with the shell component in a rotating way; the outer periphery of the door inner rotor is provided with a first clutch groove, and the outer periphery of the door outer rotor is provided with a second clutch groove; the clutch block is in sliding fit with the shell assembly; the clutch block is movably arranged beside the outer sides of the two rotors and driven by a clutch driver, the shell assembly is provided with an unlocking transmission part for unlocking the inclined tongue assembly and the square tongue assembly, the door inner rotor is provided with a first shell transmission part and a first locking transmission part, the first shell transmission part is used for driving the shell assembly to move, and the first locking transmission part is used for driving the square tongue assembly to stretch out.

The aim of the utility model can be also solved by adopting the following technical measures:

as a more specific scheme, the shell component comprises a first cover plate and a second cover plate which are mutually connected in a spaced mode, a first unlocking transmission part and a second unlocking transmission part are respectively arranged on the first cover plate, a square tongue driving disc is rotationally arranged on the first cover plate, a locking contact arm is arranged on the square tongue driving disc, a bevel tongue driving disc is rotationally arranged on the second cover plate, and a bevel tongue driving contact arm and a unlocking rod are arranged on the bevel tongue driving disc; the door outer rotor is also provided with a second locking transmission part, and the first locking transmission part and the second locking transmission part are used for touching the locking contact arm to enable the square tongue assembly to extend out for locking; the first unlocking transmission part and the second unlocking transmission part are used for touching the locking contact arm and the unlocking rod to enable the square tongue component and the inclined tongue component to retract and unlock.

As a further proposal, the shell component is connected with the lock body through a reset tension spring.

As a further scheme, the door inner rotor and the door outer rotor are coaxially arranged and are in mutual rotation fit, and a first shaft head and a second shaft head are respectively arranged at the back ends of the door inner rotor and the door outer rotor; the first cover plate and the second cover plate paper piece of the shell assembly are separated and connected through a limit connecting pin; the first cover plate and the second cover plate are respectively provided with a first positioning hole and a second positioning hole, the first shaft head is in running fit with the first cover plate, and the second shaft head is in running fit with the second cover plate; the square tongue driving disc is positioned at the outer side of the first cover plate and sleeved outside the first shaft head; the inclined tongue driving disc is positioned at the outer side of the second cover plate and sleeved outside the second shaft head.

As a further scheme, the first unlocking transmission part and the second unlocking transmission part are fan-shaped, a first avoiding sinking table and a first pushing boss are distributed on one side of the first locking transmission part facing the second locking transmission part in an arc shape, and a second avoiding sinking table and a second pushing boss are distributed on one side of the second locking transmission part facing the first locking transmission part in an arc shape; the lock body is also provided with an anti-inserting tongue assembly, the anti-inserting tongue assembly is provided with a driving rod, and the driving rod stretches into the space between the first avoiding sinking table and the second avoiding sinking table.

As a further scheme, the periphery of the door inner rotor and the periphery of the door outer rotor are respectively provided with a first shell transmission part and a second shell transmission part, the shell assembly is provided with a transmission piece corresponding to the first shell transmission part of the door inner rotor, and the transmission piece is in propping transmission fit with the first shell transmission part or the second shell transmission part.

As a further scheme, a first contact pin is arranged on one side, facing the second cover plate, of the first cover plate, a first arc-shaped groove is arranged on one side, facing the first contact pin, of the rotor close to the first cover plate, and a first necking position is arranged in the middle of the first arc-shaped groove, corresponding to the first contact pin, and divides the first arc-shaped groove into two communicated sections, a first reset spring is arranged in each of the two sections of the first arc-shaped groove, and the first contact pin is inserted into the first necking position of the first arc-shaped groove; the second cover plate is provided with a second contact pin towards one side of the first cover plate, one side, close to the second cover plate, of the rotor towards the second contact pin is provided with a second arc-shaped groove around the rotation axis of the second contact pin, the middle part of the second arc-shaped groove is provided with a second necking position corresponding to the second contact pin, the second necking position divides the second arc-shaped groove into two communicated sections, the two sections of the second arc-shaped groove are provided with second reset springs, and the second contact pin is inserted into the second necking position of the second arc-shaped groove.

As a further aspect, the clutch block is in sliding fit with the housing assembly; a reset elastic piece is arranged between the clutch block and the shell assembly, one end of the clutch block points to the first clutch groove and the second clutch groove, and the other end of the clutch block points to the outer side of the shell assembly; the first cover plate and the second cover plate are respectively provided with a first guide groove and a second guide groove, the clutch block is in an inserting sheet shape, guide ribs are arranged on two sides of the clutch block corresponding to the first guide groove and the second guide groove, and the guide ribs are in sliding fit with the first guide groove and the second guide groove.

As a further scheme, the clutch blocks are also provided with bearing platforms corresponding to the inner surfaces of the first cover plate and the second cover plate.

As a further scheme, the periphery of the door inner rotor and the periphery of the door outer rotor are further provided with a first limiting boss and a second limiting boss respectively, and the first limiting boss and the second limiting boss are blocked with the clutch block respectively.

The beneficial effects of the utility model are as follows:

(1) The clutch block of the safe escape electronic door lock is positioned on the outer sides of the door inner rotor and the door outer rotor, is convenient to install, enables the door inner rotor and the door outer rotor to independently rotate, is not affected by each other in working, and can still rotate when the door outer handle connected with the door outer rotor is locked, unlocking is achieved, and the safe escape electronic door lock meets the requirement of safe escape.

(2) The door inner rotor and the door outer rotor of the safe escape electronic door lock have the same functional structure, the first cover plate and the second cover plate have the same functional structure, and the universality of parts is improved.

(3) The safe escape electronic door lock is characterized in that the rotor is provided with the arc-shaped groove limiting the deformation space of the reset spring, two reset springs are arranged in the arc-shaped groove, the cover plate in running fit with the rotor is provided with the contact pin, and the contact pin is inserted between the two reset springs in the arc-shaped groove, so that no matter which direction the rotor rotates, one reset spring is compressed, and the reset can be realized after the external force is removed.

Drawings

Fig. 1 is a schematic view showing the structure of an embodiment (door inside direction) of the present utility model.

Fig. 2 is a schematic view of the first cover plate and the tongue driving disc shown in fig. 1 after being hidden.

Fig. 3 is a schematic view of another angle (door outer direction) structure of fig. 1.

Fig. 4 is a schematic view of the second cover plate and the latch driving disc shown in fig. 3 after being hidden.

FIG. 5 is a schematic view of an angle structure of the fork mechanism according to the present utility model.

Fig. 6 is a schematic view of another angle structure of fig. 5.

Fig. 7 is an exploded view of the fork mechanism according to the present utility model.

Fig. 8 is a schematic view of another angle structure of fig. 7.

Fig. 9 is a schematic diagram showing an exploded structure of the inner and outer door rotors according to the present utility model.

Fig. 10 is a schematic view of another angle structure of fig. 9.

FIG. 11 is a schematic diagram of a clutch block according to the present utility model.

Detailed Description

The utility model is further described below with reference to the accompanying drawings and examples:

referring to fig. 1 to 11, a safety escape electronic door lock comprises a lock body 90, wherein a latch bolt assembly 20, a square bolt assembly 50, a shifting fork mechanism 10 for driving the latch bolt assembly 20 and the square bolt assembly 50, a clutch driver 70, a lock cylinder 100 and a control circuit are arranged on the lock body 90, the control circuit is electrically connected with the clutch driver 70, the lock cylinder 100 is in transmission connection with the square bolt assembly 50 and the latch bolt assembly 20, the shifting fork mechanism 10 comprises a door inner rotor 2, a door outer rotor 7, a shell assembly for installing the rotor, a clutch block 3 for transmitting and connecting the door outer rotor 7 and the shell assembly, the door inner rotor 2 and the door outer rotor 7 are respectively and independently matched with the shell assembly in a rotating way, the clutch block 3 is movably arranged beside the outer sides of the two rotors and is driven by the clutch driver 70, the shell assembly is provided with an unlocking transmission part for unlocking the latch bolt assembly 20 and the square bolt assembly 50, the door inner rotor 2 is provided with a first shell transmission part 21 and a first upper locking transmission part 24, the first shell transmission part 21 is used for driving the shell assembly to move, and the first upper locking transmission part 24 is used for driving the square bolt assembly to stretch out.

The shell assembly comprises a first cover plate 1 and a second cover plate 6 which are mutually connected in a spaced mode, a first unlocking transmission part 17 and a second unlocking transmission part 67 are respectively arranged on the first cover plate 1 and the second cover plate 6, a square tongue driving disc 40 is rotatably arranged on the first cover plate 1, a locking contact arm 401 is arranged on the square tongue driving disc 40, a bevel tongue driving disc 60 is rotatably arranged on the second cover plate 6, and a bevel tongue driving contact arm 601 and a unlocking rod 602 are arranged on the bevel tongue driving disc 60; the door outer rotor 7 is further provided with a second locking transmission part 74, and the first locking transmission part 24 and the second locking transmission part 74 are used for touching a locking contact arm 401 to enable the square tongue assembly 50 to extend out for locking; the first unlocking transmission portion 17 and the second unlocking transmission portion 67 are used for touching the locking contact arm 401 and the unlocking lever 602 to retract the square tongue assembly 50 and the inclined tongue assembly 20 to unlock.

The housing assembly is connected to the lock body 90 by a return tension spring.

The door inner rotor 2 and the door outer rotor 7 are coaxially arranged and are in mutual rotation fit, and a first shaft head and a second shaft head are respectively arranged at the back ends of the door inner rotor 2 and the door outer rotor 7; the first cover plate 1 and the second cover plate 6 of the shell assembly are separated and connected through a limit connecting pin 8; the first cover plate 1 and the second cover plate 6 are respectively provided with a first positioning hole 13 and a second positioning hole 65, the first shaft head is in running fit with the first cover plate 1, and the second shaft head is in running fit with the second cover plate 6; the square tongue driving disc 40 is positioned at the outer side of the first cover plate 1 and sleeved outside the first shaft head; the inclined tongue driving disc 60 is positioned outside the second cover plate 6 and sleeved outside the second shaft head.

The first unlocking transmission part 17 and the second unlocking transmission part 67 are fan-shaped, a first avoiding sinking table 241 and a first pushing block boss 242 are distributed on one side of the first locking transmission part 24 facing the second locking transmission part 74 in an arc shape, and a second avoiding sinking table 741 and a second pushing block boss 742 are distributed on one side of the second locking transmission part 74 facing the first locking transmission part 24 in an arc shape; the lock body 90 is further provided with an anti-inserting tongue assembly 30, the anti-inserting tongue assembly 30 is provided with a driving rod, and the driving rod extends into the space between the first avoiding sinking platform 241 and the second avoiding sinking platform 741.

The peripheries of the first cover plate 1 and the second cover plate 6 are provided with protrusions, and the two protrusions form a first unlocking transmission part 17 and a second unlocking transmission part 67.

The outer circumferences of the door inner rotor 2 and the door outer rotor 7 are respectively provided with a first shell transmission part 21 and a second shell transmission part 71, the shell component is provided with a transmission piece 4 corresponding to the first shell transmission part 21 of the door inner rotor 2, and the transmission piece 4 is in butt transmission fit with the first shell transmission part 21 or the second shell transmission part 71.

The first shell transmission part 21 and the second shell transmission part 71 are all cantilever-shaped, and a partition plate 5 is arranged in the shell assembly corresponding to the space between the first shell transmission part 21 and the second shell transmission part 71, so that the transmission piece 4 is a transmission screw which is screwed in from the outer side of the shell assembly and is connected with one side of the partition plate 5. The partition board 5 can be connected by means of a limit connecting pin 8, and spacer bushes 51 are arranged on the upper side and the lower side of the limit connecting pin 8 corresponding to the partition board, so that the partition board 5 is located at the middle position between the first cover board 1 and the second cover board 6.

The first cover plate 1 and the second cover plate 6 are respectively provided with a first opening 11 and a second opening 62 corresponding to the transmission member 4.

A first contact pin 14 is arranged on one side of the first cover plate 1 facing the second cover plate 6, a first arc-shaped groove 25 is arranged on one side, close to the first cover plate 1, of the rotor facing the first contact pin 14 around the rotation axis of the rotor, a first necking bit 251 is arranged in the middle of the first arc-shaped groove 25 corresponding to the first contact pin 14, the first necking bit 251 divides the first arc-shaped groove 25 into two communicated sections, a first reset spring 252 is arranged in each of the two sections of the first arc-shaped groove 25, and the first contact pin 14 is inserted into the first necking bit 251 of the first arc-shaped groove 25; the second cover plate 6 is provided with a second contact pin 64 towards one side of the first cover plate 1, one side, close to the second cover plate 6, of the rotor towards the second contact pin 64 is provided with a second arc-shaped groove 75 around the rotation axis of the rotor, the middle part of the second arc-shaped groove 75 is provided with a second necking position 751 corresponding to the second contact pin 64, the second arc-shaped groove 75 is divided into two communicated sections by the second necking position 751, two sections of the second arc-shaped groove 75 are provided with second reset springs 752, and the second contact pin 64 is inserted into the second necking position 751 of the second arc-shaped groove 75.

The outer periphery of the door inner rotor 2 is provided with a first clutch groove 22, and the outer periphery of the door outer rotor 7 is provided with a second clutch groove 72; the clutch block 3 is in sliding fit with the shell assembly; a reset elastic piece is arranged between the clutch block 3 and the shell assembly, one end of the clutch block 3 points to the first clutch groove 22 and the second clutch groove 72, and the other end of the clutch block 3 points to the outer side of the shell assembly; the first cover plate 1 and the second cover plate 6 are respectively provided with a first guide groove 12 and a second guide groove 66, the clutch block 3 is in an inserting sheet shape, two sides of the clutch block 3 are provided with guide ribs 31 corresponding to the first guide groove 12 and the second guide groove 66, and the guide ribs 31 are in sliding fit with the first guide groove 12 and the second guide groove 66.

The elastic piece is a torsion spring 9, the torsion spring 9 is positioned and arranged in the shell assembly, the torsion spring 9 is provided with two elastic contact pins, and the two elastic contact pins are respectively propped against the shell assembly and the clutch block 3.

The clutch block 3 is further provided with a bearing platform 33 corresponding to the inner surfaces of the first cover plate 1 and the second cover plate 6.

The surface of the clutch block 3 is also provided with a buckling hole 32, a positioning shaft 91 is arranged between the first cover plate 1 and the second cover plate 6, and the torsion spring 9 is sleeved outside the positioning shaft 91; the second cover plate 6 is further provided with a first spring contact pin 61 and a second spring contact pin 63, the first spring contact pin 61 is used for being connected with a certain reset spring on the door lock, and two elastic contact pins of the torsion spring are respectively propped against the buckling hole 32 and the second spring contact pin 91.

The outer circumferences of the door inner rotor 2 and the door outer rotor 7 are also respectively provided with a first limiting boss 26 and a second limiting boss 76, and the first limiting boss 26 and the second limiting boss 76 are respectively blocked with the clutch block 3.

The door inner rotor 2 and the door outer rotor 7 are respectively provided with a first shaft hole 23 and a second shaft hole 73, a blocking disc A is further embedded between the door inner rotor 2 and the door outer rotor 7, and the blocking disc A separates the first shaft hole 23 and the second shaft hole 73. The first shaft hole 23 and the second shaft hole 73 are used for being connected with an inner handle shaft center of the door lock and an outer handle shaft center of the door lock, respectively, which are not shown in the drawings.

The end of the door inner rotor 2 facing the door outer rotor 7 is provided with a large sinking table 27, the periphery of the large sinking table 27 is provided with a first annular bulge 28, the end of the door outer rotor 7 facing the door inner rotor 2 is provided with a small sinking table 77 for being embedded into the plugging disc A, and the periphery of the small sinking table 77 is sequentially provided with a second annular bulge 78 and an annular groove 79; the first annular projection 28 is in a plug-in engagement with the annular recess 79 and the second annular projection 78 is in a plug-in engagement with the large counter 27 to form said male-female face engagement.

The fork mechanism 10 works in the following principle: when the clutch block 3 does not enter the first clutch groove 22 and the second clutch groove 72, the door outer rotor 7 can rotate in a certain angle in a single bidirectional direction, the door inner rotor 2 idles relative to the housing assembly when rotating at an angle, and the rotating force can be applied to the housing assembly (the first cover plate 1 and the second cover plate 6) through the transmission piece 4 when rotating at another angle, so that the housing assembly is driven to rotate, but the door outer rotor 7 is not driven. When the clutch block 3 enters the first clutch groove 22 and the second clutch groove 72, the door outer rotor 7 can drive the housing assembly to move through the clutch block 3. Therefore, based on the principle, the clutch block 3 can be matched with an electronic lock, and the movement of the clutch block 3 is controlled by an electric control part; unlocking is performed by means of the movement of the housing assembly, and locking is achieved by means of the individual movement of the door inner rotor 2 in cooperation with the other locking mechanisms of the door lock. Since the door inner rotor 2 and the door outer rotor 7 move independently, the door inner rotor 2 can be unlocked even if the door outer rotor is blocked, and the safety is improved.

In combination with the working principle of the shifting fork mechanism 10, as shown in fig. 1-4, the latch tongue in the latch tongue assembly 20 of the door lock is in an extended state, at this time, the clutch block 3 is in a separated state, the door inner rotor 2 rotates clockwise, the door inner rotor 2 drives the housing assembly to rotate clockwise, and the first unlocking transmission part 17 and the second unlocking transmission part 67 of the housing assembly touch the unlocking rod 602 of the latch tongue driving disc 60 to drive the latch tongue driving disc 60 to rotate, and the latch tongue driving touch arm 601 pulls the latch tongue in the latch tongue assembly 20 to retract and unlock. When the door inner rotor 2 is required to be locked, the first locking transmission part 24 of the door inner rotor 2 triggers the locking contact arm 401 of the square tongue driving disc 40, so that the square tongue driving disc 40 is driven to rotate clockwise, the square tongue stretches out, meanwhile, the first pushing and blocking boss 242 of the first locking transmission part 24 triggers the driving rod of the anti-inserting tongue assembly 30, the anti-inserting tongue assembly 30 is ensured to stretch out, the anti-theft effect is further achieved, and the door inner rotor 2 is reset after the rotation force is released. When the above-mentioned locked state is unlocked, the door inner rotor 2 is rotated clockwise, and the first unlocking transmission part 17 and the second unlocking transmission part 67 of the housing assembly touch the unlocking lever 602 of the latch driving disc 60 and the locking contact arm 401 of the latch driving disc 40 to unlock.

The foregoing is a preferred embodiment of the utility model showing and describing the general principles, features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the utility model, and that various changes and modifications may be effected therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.

Claims

1. The utility model provides a safe electronic door lock of fleing, includes lock body (90), is equipped with latch bolt subassembly (20), square tongue subassembly (50) on lock body (90), is used for driving shift fork mechanism (10) of latch bolt subassembly (20) and square tongue subassembly (50), separation and reunion driver (70), lock core (100) and control circuit, control circuit and separation and reunion driver (70) electric connection, lock core (100) are connected its characterized in that with square tongue subassembly (50) and latch bolt subassembly (20) transmission: the shifting fork mechanism (10) comprises a door inner rotor (2), a door outer rotor (7), a shell component for installing the rotor and a clutch block (3) for connecting the door outer rotor (7) with the shell component in a transmission way, wherein the door inner rotor (2) and the door outer rotor (7) are respectively and independently matched with the shell component in a rotating way; the periphery of the door inner rotor (2) is provided with a first clutch groove (22), and the periphery of the door outer rotor (7) is provided with a second clutch groove (72); the clutch block (3) is in sliding fit with the shell assembly; the clutch blocks (3) are movably arranged beside the outer sides of the two rotors and driven by the clutch driver (70), the shell assembly is provided with unlocking transmission parts for unlocking the inclined tongue assembly (20) and the square tongue assembly (50), the door inner rotor (2) is provided with a first shell transmission part (21) and a first locking transmission part (24), the first shell transmission part (21) is used for driving the shell assembly to move, and the first locking transmission part (24) is used for driving the square tongue assembly (50) to stretch out.

2. The safe-escape electronic door lock of claim 1, wherein: the shell assembly comprises a first cover plate (1) and a second cover plate (6) which are connected with each other in a spaced mode, a first unlocking transmission part (17) and a second unlocking transmission part (67) are respectively arranged on the first cover plate (1) and the second cover plate (6), a square tongue driving disc (40) is rotationally arranged on the first cover plate (1), a locking contact arm (401) is arranged on the square tongue driving disc (40), a bevel tongue driving disc (60) is rotationally arranged on the second cover plate (6), and a bevel tongue driving contact arm (601) and a unlocking rod (602) are arranged on the bevel tongue driving disc (60); the door outer rotor (7) is also provided with a second locking transmission part (74), and the first locking transmission part (24) and the second locking transmission part (74) are used for touching the locking contact arm (401) to enable the square tongue assembly (50) to extend out for locking; the first unlocking transmission part (17) and the second unlocking transmission part (67) are used for touching the locking contact arm (401) and the unlocking rod (602) to enable the square tongue assembly (50) and the inclined tongue assembly (20) to retract and unlock.

3. The safe-escape electronic door lock of claim 1, wherein: the shell component is connected with the lock body (90) through a reset tension spring.

4. The safe-escape electronic door lock of claim 2, wherein: the door inner rotor (2) and the door outer rotor (7) are coaxially arranged and are in mutual rotation fit, and a first shaft head and a second shaft head are respectively arranged at the back ends of the door inner rotor (2) and the door outer rotor (7); the first cover plate (1) and the second cover plate (6) of the shell assembly are separated and connected through a limit connecting pin (8); the first cover plate (1) and the second cover plate (6) are respectively provided with a first positioning hole (13) and a second positioning hole (65), the first shaft head is in rotary fit with the first cover plate (1), and the second shaft head is in rotary fit with the second cover plate (6); the square tongue driving disc (40) is positioned at the outer side of the first cover plate (1) and sleeved outside the first shaft head; the inclined tongue driving disc (60) is positioned at the outer side of the second cover plate (6) and sleeved outside the second shaft head.

5. The safe-escape electronic door lock of claim 4, wherein: the first unlocking transmission part (17) and the second unlocking transmission part (67) are fan-shaped, a first avoidance sinking table (241) and a first push-stop boss (242) are arranged on one side of the first locking transmission part (24) facing the second locking transmission part (74) in an arc distribution manner, and a second avoidance sinking table (741) and a second push-stop boss (742) are arranged on one side of the second locking transmission part (74) facing the first locking transmission part (24) in an arc distribution manner; the lock body (90) is also provided with an anti-inserting tongue assembly (30), the anti-inserting tongue assembly (30) is provided with a driving rod, and the driving rod stretches into between the first avoiding sinking table (241) and the second avoiding sinking table (741).

6. The safe-escape electronic door lock of claim 1, wherein: the outer periphery of the door inner rotor (2) and the outer periphery of the door outer rotor (7) are respectively provided with a first shell transmission part (21) and a second shell transmission part (71), the shell assembly is provided with a transmission piece (4) corresponding to the first shell transmission part (21) of the door inner rotor (2), and the transmission piece (4) is in butt transmission fit with the first shell transmission part (21) or the second shell transmission part (71).

7. The safe-escape electronic door lock of claim 2, wherein: a first contact pin (14) is arranged on one side, facing the second cover plate (6), of the first cover plate (1), a first arc-shaped groove (25) is arranged around the rotation axis of the rotor, facing the first contact pin (14), of the rotor, a first necking position (251) is arranged in the middle of the first arc-shaped groove (25) corresponding to the first contact pin (14), the first necking position (251) divides the first arc-shaped groove (25) into two communicated sections, a first reset spring (252) is arranged in each of the two sections of the first arc-shaped groove (25), and the first contact pin (14) is inserted into the first necking position (251) of the first arc-shaped groove (25); the second cover plate (6) is provided with a second contact pin (64) towards one side of the first cover plate (1), one side, close to the second cover plate (6), of the rotor towards the second contact pin (64) is provided with a second arc-shaped groove (75) around the rotation axis of the rotor, the middle part of the second arc-shaped groove (75) is provided with a second necking position (751) corresponding to the second contact pin (64), the second necking position (751) divides the second arc-shaped groove (75) into two communicated sections, two sections of the second arc-shaped groove (75) are provided with second reset springs (752), and the second contact pin (64) is inserted into the second necking position (751) of the second arc-shaped groove (75).

8. The safe-escape electronic door lock of claim 1, wherein: a reset elastic piece is further arranged between the clutch block (3) and the shell assembly, one end of the clutch block (3) points to the first clutch groove (22) and the second clutch groove (72), and the other end of the clutch block (3) points to the outer side of the shell assembly; the clutch block (3) is in an inserting sheet shape, two sides of the clutch block (3) are provided with guide ribs (31) corresponding to the first guide grooves (12) and the second guide grooves (66), and the guide ribs (31) are in sliding fit with the first guide grooves (12) and the second guide grooves (66).

9. The safe-escape electronic door lock of claim 8, wherein: the clutch block (3) is also provided with a bearing platform (33) corresponding to the inner surfaces of the first cover plate (1) and the second cover plate (6).

10. The safe-escape electronic door lock of claim 1, wherein: the periphery of the door inner rotor (2) and the periphery of the door outer rotor (7) are further provided with a first limiting boss (26) and a second limiting boss (76) respectively, and the first limiting boss (26) and the second limiting boss (76) are blocked with the clutch block (3) respectively.