CN221002348U - Emergency lock structure of locking device - Google Patents

Abstract

The utility model discloses an emergency lock structure of a lock, which comprises a shell, a lock block assembly and a lock device assembly, wherein the lock block assembly comprises a lock block and a buckle block which are respectively arranged in a rotating way, the lock block assembly also comprises an unlocking block which is arranged in a rotating way, one side of the buckle block, which faces the unlocking block, is provided with a poking part, the unlocking block is provided with a poking block matched with the poking part in a sliding way, the poking block slides to align with or stagger the poking part, the lock device assembly comprises a swing arm, a connecting rod connected with the poking block is arranged on the swing arm, an unlocking slide block is arranged in the shell in a sliding way, a rotating button is arranged on the shell in a rotating way, one side of the rotating button abuts against the unlocking slide block, a poking groove is formed in the unlocking slide block, one side of the rotating button, which faces the unlocking slide block, is provided with an eccentric poking rod extending into the poking groove, and the other side of the rotating button is provided with a key socket. The emergency lock structure of the lock can switch the lock from the unlocking state to the locking state through the vehicle key under the condition that the battery power supply cannot supply power to the motor or the motor is blocked.

Description

Emergency lock structure of locking device

Technical Field

The utility model belongs to the technical field of door locks, and particularly relates to an emergency lock structure of a lock.

Background

The door latch is a structure for controlling the door to be openable by pulling the handle. The door locking device comprises a locking piece assembly and a locking device, wherein a groove matched with a car door retaining ring is formed in one side of the locking piece assembly, a locking piece and a buckling piece are respectively arranged on two sides of the groove in a rotating mode, reset torsion springs are arranged on rotating shafts of the locking piece and the buckling piece, the locking piece can be clamped by the buckling piece and cannot reset after being stirred by a door buckling ring, accordingly a door is locked, the locking piece can be unlocked by stirring the buckling piece in a rotating mode, and the locking piece can reset under the action of the torsion springs to open the door.

The lock block assembly also comprises a rotatable unlocking block driven by the inner door handle and the outer door handle, the unlocking block is connected with the unlocking block in a direct or indirect mode through a connecting rod or a stay wire, the unlocking block can rotate towards the unlocking direction when the inner door handle and the outer door handle are pulled, a poking part is arranged on one side of the buckling block, which faces the unlocking block, of the unlocking block, a slidable poking block is generally arranged on the unlocking block, the poking block is controlled in position by a locking device, so that the poking block can be switched between the position aligning the poking part and the position staggering the poking part, and when the poking block is staggered with the poking part, the inner door handle or the outer door handle is pulled to drive the unlocking block to rotate, and the poking block cannot poke the buckling block to rotate, namely the locking state; when the shifting block is aligned with the shifting part, the shifting block can shift the buckling block to rotate when the inner door handle or the outer door handle is pulled to drive the unlocking block to rotate, so that the door is opened. The locking device is a device for adjusting the position of the shifting block through electric signal control, a motor is arranged in the locking device, the forward rotation or the reverse rotation of the motor can be controlled through the electric signal, the shifting block slides in the sliding groove through a certain mechanical structure to align or stagger the buckling block, and the switching between the locking state and the unlocking state is realized.

As CN213807111U discloses a locking structure of a central control door lock, but it can only control the switching of locking and unlocking of the lock by the motor, but in some unexpected situations, for example, the power supply cannot supply power to the motor, or the motor is blocked, if the lock is in an unlocked state at this time, the door cannot be closed at this time.

Disclosure of Invention

The utility model provides an emergency lock structure of a lock, which can switch the lock from an unlocking state to a locking state through a key under the condition that a battery power supply cannot supply power to a motor or the motor is blocked.

In order to solve the technical problems, the utility model is solved by the following technical scheme: the utility model provides an emergency lock structure of lock, includes the casing, locking piece subassembly and lock subassembly, locking piece subassembly one side is equipped with door buckle complex groove, the both sides in groove rotate respectively and are provided with locking piece and knot piece, still including rotating the unlocking piece that sets up on the locking piece subassembly, be provided with on the casing be used for the locking piece the knot piece with the elastic component that the unlocking piece reset, the orientation on the knot piece one side of unlocking piece is equipped with the stirring portion, slide on the unlocking piece be provided with stirring portion complex shifting block, the shifting block slides in order to aim at or stagger stirring portion, the lock subassembly includes the swing arm, be provided with on the swing arm with the connecting rod that the shifting block links to each other, be provided with in the casing can by the swing arm is stirred and is stirred the unblock slider of swing arm, it is provided with the rotary knob to rotate on the casing, rotary knob one side supports the unblock slider, be equipped with on the unblock slider, rotary Niu Chaoxiang one side is equipped with the unblock portion one side and stretches into the rotation knob that stretches into the eccentric key setting up. When the motor of the locking device component fails or is in a power failure state and the locking device component is in an unlocking state, a key is inserted into the key socket through the side face of the vehicle door and rotated, the rotating button can be driven to rotate through the rotation of the key, so that the unlocking slide block is driven to move, and the swing arm can be rotated from the unlocking position to the locking position by the unlocking slide block, so that the vehicle door can be closed urgently.

In the above technical scheme, preferably, the casing is provided with the first reference column that passes the swing arm, be provided with the second reference column on the swing arm, first reference column with be provided with between the second reference column be used for with the swing arm is in the torsional spring of locking position and unlocking position location. By adopting the structure, the swing arm can be reliably positioned at the locking position and the unlocking position by the elastic force of the torsion spring, and the swing arm is prevented from being switched by mistake due to vibration and the like in the driving process.

In the above technical scheme, preferably, the casing is provided with the interior door handle driving structure, the interior door handle driving structure includes first rotating arm, second rotating arm and regulating arm, it is provided with to rotate on the casing first rotating arm with the second rotating arm, be provided with the guiding hole on the casing, be provided with the regulation hole on the second rotating arm, regulating arm one end be equipped with slide set up in the first portion of bending in the guiding hole, the regulating arm other end be equipped with slide set up in the second portion of bending in the regulation hole, first portion of bending move in the guiding hole in order to drive the second portion of bending is in the regulation hole is removed in order to aim at or stagger first rotating arm, if and only if regulating arm with first rotating arm aligns, first rotating arm rotation can promote regulating arm with the second rotating arm is rotatory, and by the second rotating arm promotes the unblock piece is rotatory towards the unlocking direction. The structure is adopted to play a role in protecting children, the first rotating arm is connected with the inner door handle through the pull rod or the pull wire, when the adjusting arm is aligned with the first rotating arm, the adjusting arm and the second rotating arm can be pushed to rotate by directly pulling the inner door handle, the unlocking block is pushed to rotate towards the unlocking direction by the second rotating arm, thus the operation of opening the door is realized, the door is directly opened to have certain danger when the children sit in the car, the adjusting arm and the first rotating arm are staggered by adjusting the position of the first bending part in the guide hole, at the moment, the inner door handle is only rotated by the first rotating arm, the second rotating arm cannot rotate, and therefore the door cannot be opened, the effect of protecting children can be achieved, and the structure is simple, and the manufacturing cost is low.

In the above technical scheme, preferably, one side of the guide hole is provided with an elastic limit rib with the middle part protruding into the guide hole. The adoption of the structure enables the guide holes on the two sides of the protruding position of the elastic limit rib to limit the first bending part, prevents the first bending part from moving in the guide holes by mistake, and prevents the first bending part from moving by mistake due to factors such as vehicle vibration.

In the above technical solution, preferably, the unlocking slide block is disposed on a back surface of the slot, and the rotation knob is rotatably disposed on the housing between the slot and the unlocking slide block. Because one side of the groove has no complex structure, the key can be directly inserted, and the unlocking slide block and the rotary button are arranged at the position, so that the key can be conveniently penetrated.

In the above technical scheme, preferably, the lock assembly comprises a worm driven by a motor and a worm wheel matched with the worm, a shifting block position adjusting mechanism is arranged between the worm wheel and the shifting block, a shifting protrusion is arranged on the side face of the worm wheel, a shifting matching groove is arranged on the swing arm, the shifting protrusion can extend into the shifting matching groove along with the rotation of the worm wheel so as to shift the swing arm to switch between a locking position and an unlocking position, and the shifting matching groove can be rotated out after the switching is completed. In the prior art, the transmission structure between the worm wheel and the swing arm is generally continuously driven, which leads to the fact that when the swing arm actively swings, the damping of the worm wheel and worm mechanism and the motor needs to be overcome, and the swing arm cannot be swung when the motor is blocked, and the structure is adopted, so that the worm wheel and the swing arm are intermittently linked, only when the worm wheel drives the swing arm to rotate, and the stirring protrusion stretches into the stirring matching groove and is in close contact with the side wall of the stirring matching groove, the stirring matching groove can be separated from the swing arm after the switching of the position of the swing arm is completed, therefore, the damping of the worm wheel and worm mechanism and the motor does not need to be overcome when the swing arm actively swings, the damping is smaller when the swing arm actively swings, and the swing arm cannot swing due to the blocking of the motor.

In the above technical solution, preferably, the housing is provided with a guide channel, and the unlocking slide block is provided with a pull rod connecting portion penetrating out of the guide channel.

In the above technical scheme, preferably, the shell is rotatably provided with a bending deflector rod, the unlocking slide block is provided with a slot for inserting one end of the bending deflector rod, the shell is provided with a second pull rope, one end of the second pull rope is connected with the bending deflector rod, and the other end of the second pull rope is connected with a vehicle locking pull rod on the vehicle door.

Compared with the prior art, the utility model has the following beneficial effects: when the motor of the locking device component fails or is in a power failure state and the locking device component is in an unlocking state, a key is inserted into the key socket through the side face of the vehicle door and rotated, the rotating button can be driven to rotate through the rotation of the key, so that the unlocking slide block is driven to move, and the swing arm can be rotated from the unlocking position to the locking position by the unlocking slide block, so that the vehicle door can be closed urgently.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present utility model.

Fig. 2 is a schematic diagram of the structure of the case opening in embodiment 1 of the present utility model.

Fig. 3 is a partially exploded view of embodiment 1 of the present utility model.

Fig. 4 is a schematic structural view of one side of the lock block assembly in embodiment 1 of the present utility model.

Fig. 5 is an exploded view of the installation position of the rotary knob in embodiment 1 of the present utility model.

Fig. 6 is a schematic diagram illustrating an internal structure of an unlocked state according to embodiment 1 of the present utility model.

Fig. 7 is a schematic view showing the internal structure of the latch-up state of embodiment 1 of the present utility model.

Fig. 8 is a schematic structural diagram of a swing arm in embodiment 1 of the present utility model.

Fig. 9 is a partial enlarged view of the child resistant structure of example 1 of the present utility model when not activated and activated.

Fig. 10 is a schematic structural view of an inner door handle driving structure in embodiment 1 of the present utility model.

Fig. 11 is a schematic structural view of an adjusting arm in embodiment 1 of the present utility model.

Fig. 12 is a schematic structural diagram of embodiment 2 of the present utility model.

Fig. 13 is a schematic view showing the internal structure of embodiment 2 of the present utility model.

Description of the embodiments

The utility model is described in further detail below with reference to the attached drawings and detailed description: referring to fig. 1 to 11, an emergency locking structure of a lock comprises a housing 1, wherein the housing 1 comprises an upper housing and a lower housing which are assembled integrally, a locking block assembly 2 and a lock assembly 3, a groove 21 matched with a car door buckle is formed in one side of the locking block assembly 2, a locking block 22 and a buckle block 23 are respectively arranged on two sides of the groove 21 in a rotating mode, an unlocking block 24 which is arranged in a rotating mode is further arranged on the locking block assembly 2, an elastic piece used for resetting the locking block 22, the buckle block 23 and the unlocking block 24 is arranged on the housing 1, in the embodiment, the elastic pieces are torsion springs, torsion springs are arranged on rotating shafts of the locking block 22 and the buckle block 23, the locking block 22 can be clamped by the buckle block 23 and cannot be reset after being stirred by a door buckle ring, so that a door is locked, the locking block 22 can be unlocked by stirring the buckle block 23 in a rotating mode, and the locking block 22 can be reset under the action of the torsion springs, so that the door is opened.

The unlocking block 24 is provided with a position connected with the outer door handle, the unlocking block 24 can rotate towards the unlocking direction by pulling the outer door handle, one side of the buckling block 23 facing the unlocking block 24 is provided with a stirring part 231, the unlocking block 24 is provided with a shifting block 25 matched with the stirring part 231 in a sliding way, the lock assembly 3 comprises an electric driving structure, a swinging arm 35, a connecting rod 36 and a reset torsion spring 37, the swinging arm 35 is provided with a sliding groove 351, one end of the connecting rod 36 is provided with a sliding block 361, the other end of the connecting rod is connected with the shifting block 25, the sliding block 361 is arranged in the sliding groove 351, the swinging arm 35 is provided with a reset torsion spring 37 for pushing the shifting block 25 to the position matched with the stirring part 231, the shell 1 is provided with an unlocking sliding block 38 capable of being stirred by the swinging arm 35 in a sliding way, in particular, the bottom of the unlocking sliding block 38 is provided with a socket, one end of the swinging arm 35 is inserted into the socket, the swing arm 35 can be toggled to rotate when the unlocking slide block 38 slides, or the unlocking slide block 38 can be driven to move when the swing arm 35 rotates, the pushing part 241 is arranged on the unlocking block 24, the inner door handle driving structure 4 for pulling the inner door handle to push the pushing part 241 is arranged on the shell 1, the inner door handle driving structure 4 is a driving structure connected with the inner door handle, in the embodiment, at least one rotatable second rotating arm 42 is included, the second rotating arm 42 rotates towards the pushing part 241 when the inner door handle is pulled, the unlocking block 24 can be pushed to move towards the unlocking direction, the second rotating arm 42 can also push the unlocking slide block 38, the unlocking slide block 38 which can be toggled by the swing arm 35 and toggled by the swing arm 35 is arranged in the shell 1, and the unlocking slide block 38 can be pushed by the door handle driving structure 4 to toggle the swing arm 35 from the locking position to the unlocking position. During the process of rotating out the unlocking block 24, the pushing portion 241 is always lower than the unlocking slide 38, so that the unlocking block 24 is not in contact with the unlocking slide 38 all the time.

In the double-pulling unlocking structure of the lock, under the locking state, the inner door handle can be pulled to drive the inner door handle driving structure 4 to act, the unlocking block 24 can be driven to rotate and the unlocking slide block 38 can be pushed to move when the inner door handle driving structure 4 acts, the swinging arm 35 can be driven to rotate from the locking position to the unlocking position by the movement of the unlocking slide block 38, in the rotating process of the unlocking block 24, as the swinging arm 35 can rotate from the locking position to the unlocking position, the shifting block 25 can be propped against the inner side of the shifting part 231, the shifting block 25 is pushed by the shifting part 231 to move along with the connecting rod 36 towards the swinging arm 35, namely, the slide block 361 can move in the direction of the sliding groove 351, so that the unlocking block 24 can not continue to rotate due to the pushing of the shifting block 25 against the inner side of the shifting part 231, the unlocking block 24 can be reset after the inner door handle is pulled once, and the swinging arm 35 can be left at the unlocking position, under the action of the reset torsion spring 37, when the shifting block 25 is pulled to rotate from the locking position to the unlocking position, the shifting block 25 can drive the shifting block 231 to rotate along with the direction of the swinging arm 35, and then the shifting block 23 can drive the shifting block 23 to rotate, and the locking block 23 can not be reset, so that the locking block 22 can be opened; when the outer door handle is pulled in the locking state, the shifting block 25 is staggered with the shifting part 231, so that the shifting block 25 does not contact with the shifting part 231, the door cannot be opened, the pushing part 241 does not contact with the unlocking slide block 3, the state of the lock cannot be changed, the door can be opened by pulling the inner door handle twice in the automobile, the lock unlocking structure which cannot be opened by pulling the outer door handle is suitable for automobile types requiring the double-pull unlocking function of the inner door handle, and the structure is simple and low in manufacturing cost.

In this embodiment, the housing 1 is provided with a first positioning post 11 penetrating through the swing arm 35, the swing arm 35 is provided with a second positioning post 352, and a torsion spring 39 for positioning the swing arm 35 in the locking position and the unlocking position is provided between the first positioning post 11 and the second positioning post 352. The torsion spring 39 comprises a middle spiral steel wire and elastic rods, wherein two ends of the spiral steel wire extend out to form an intersection, the spiral steel wire is sleeved on the first positioning column 11, the elastic rods are sprung on two sides of the second positioning column 352, and the swing arm 35 can be reliably positioned at the locking position and the unlocking position through the elasticity of the torsion spring 39, so that the swing arm 35 is prevented from being switched by mistake due to vibration and the like in the driving process.

In this embodiment, the inner door handle driving structure 4 includes a first rotating arm 41, a second rotating arm 42 and an adjusting arm 43, the first rotating arm 41 and the second rotating arm 42 are rotatably disposed on the housing 1, the guide hole 12 is disposed on the housing 1, the adjusting hole 421 is disposed on the second rotating arm 42, one end of the adjusting arm 43 is provided with a first bending portion 431 slidably disposed in the guide hole 12, the other end of the adjusting arm 43 is provided with a second bending portion 432 slidably disposed in the adjusting hole 421, the first bending portion 431 moves in the guide hole 12 to drive the second bending portion 432 to move in the adjusting hole 421 to align or stagger the first rotating arm 41, and if and only if the adjusting arm 43 is aligned with the first rotating arm 41, the first rotating arm 41 can push the adjusting arm 43 and the second rotating arm 42 to rotate, and the unlocking block 24 is pushed by the second rotating arm 42 to rotate in the unlocking direction. By adopting the structure, the child protection effect can be achieved, the first rotating arm 41 is connected with the inner door handle through the pull rod or the pull wire, when the adjusting arm 43 is aligned with the first rotating arm 41, the adjusting arm 43 and the second rotating arm 42 can be pushed to rotate by directly pulling the inner door handle, the unlocking block 24 is pushed to rotate towards the unlocking direction by the second rotating arm 42, so that the door opening operation is achieved, the door opening operation is achieved directly, a certain danger is achieved when a child sits in the vehicle, the adjusting arm 43 and the first rotating arm 41 are staggered by adjusting the position of the first bending part 431 in the guide hole 12, only the first rotating arm 41 rotates when the inner door handle is pulled, the second rotating arm 42 cannot rotate, the door is not opened, the child protection effect can be achieved, the structure is simple, and the manufacturing cost is low.

In this embodiment, the housing 1 is provided with a first pull wire 44, one end of the first pull wire 44 is connected to the first rotating arm 41, and the other end of the first pull wire 44 is connected to the inner door handle. Specifically, a positioning opening of a first stay wire outer sleeve is formed in the shell 1, an annular groove is formed in an outer sleeve of the first stay wire 44, the annular groove is clamped into the positioning opening to position the outer sleeve of the first stay wire 44, one end of a movable core in the first stay wire 44 is connected with the first rotating arm 41, and the other end of the movable core is connected with an inner door handle.

In the present embodiment, the first bending portion 431 is provided with a first limiting protrusion 433, and a distance between the first limiting protrusion 433 and the main body of the adjusting arm 43 is matched with a depth of the guide hole 12; the second bending portion 432 is provided with a second limiting protrusion 434, and a distance between the second limiting protrusion 434 and the body of the adjusting arm 43 is matched with a depth of the adjusting hole 421. With this structure, the adjusting arm 43 is prevented from swinging, so that the adjusting arm 43 is more stable.

For easy installation and control, the first and second rotating arms 41 and 42 rotate about the same rotation axis.

In this embodiment, an elastic limit rib 121 with a middle portion protruding into the guide hole 12 is provided on one side of the guide hole 12. The guide holes 12 on both sides of the protruding position of the elastic limiting rib 121 can limit the first bending portion 431, so that the first bending portion 431 is prevented from moving in the guide holes 12 by mistake, and the first bending portion 431 is prevented from moving by mistake due to factors such as vehicle vibration.

In this embodiment, a rotary knob 5 is rotatably disposed on the housing 1, one side of the rotary knob 5 abuts against the unlocking slide block 38, a toggle slot 381 is disposed on the unlocking slide block 38, an eccentric toggle rod 51 extending into the toggle slot 381 is disposed on one side of the rotary knob 5 facing the unlocking slide block 38, and a key socket 52 is disposed on the other side of the rotary knob 5. With this structure, when the motor 31 of the latch assembly 3 is disabled or is in a power failure state, and the latch assembly 3 is in an unlocked state, the key is inserted into the key socket 52 through the side surface of the vehicle door and rotated, the rotation knob 5 can be driven to rotate through the rotation of the key, so as to drive the unlocking slide block 38 to move, and the unlocking slide block 38 can rotate the swing arm 35 from the unlocking position to the locking position, so that the vehicle door can be closed in an emergency.

In the present embodiment, the unlocking slider 38 is provided on the back surface of the groove 21, and the rotation knob 5 is rotatably provided on the housing 1 between the groove 21 and the unlocking slider 38. Since one side of the slot 21 has no complicated structure, the key can be directly inserted, and thus the unlocking slide 38 and the rotation knob 5 are disposed at this position to facilitate the penetration of the key.

In this embodiment, the worm 32 driven by the motor 31 and the worm wheel 33 matched with the worm 32, the stirring protrusion 331 is disposed on the side surface of the worm wheel 33, the stirring protrusion 331 is disposed on the swing arm 35, and the stirring protrusion 331 can rotate along with the worm wheel 33 to extend into the stirring protrusion 353 so as to stir the swing arm 35 to switch between the locking position and the unlocking position, and rotate out of the stirring protrusion 353 after the switching is completed. In the prior art, the transmission structure between the worm wheel 33 and the swing arm 35 is generally continuously driven, which leads to overcoming the damping of the worm wheel and worm mechanism and the motor 31 when the swing arm 35 actively swings, and the swing arm 35 cannot be swung when the motor 31 is blocked, while the structure is adopted, so that the worm wheel 33 and the swing arm 35 are intermittently linked, only when the worm wheel 33 drives the swing arm 35 to rotate, the toggle protrusion 331 stretches into the toggle matching groove 353 and is in close contact with the side wall of the toggle matching groove 353, and can be linked with the swing arm 35, and can leave the toggle matching groove 353 after the position of the swing arm 35 is switched, therefore, the damping of the worm wheel and worm mechanism and the motor 31 is not required to be overcome when the swing arm 35 actively swings, so that the damping is smaller when the swing arm 35 actively swings, and the swing arm cannot swing due to the blocking of the motor 31.

In this embodiment, the housing 1 is provided with a guide channel 13, the direction of the guide channel 13 is consistent with the sliding direction of the unlocking slide 38, and the unlocking slide 38 is provided with a pull rod connecting portion 382 penetrating out of the guide channel 13. The pull rod connecting portion 382 is used for connecting a pull rod, the pull rod is connected with a vehicle locking pull rod in the vehicle door, and the movement of the unlocking slide block 38 can be controlled through the vehicle locking pull rod, so that the switching of the swing arm 35 is controlled.

Referring to fig. 12-13, embodiment 2 is different from embodiment 1 only in the connection structure between the locking lever and the unlocking slide 38, in this embodiment, a bending lever 310 is rotatably disposed on the housing 1, a slot 383 into which one end of the bending lever 6 is inserted is disposed on the unlocking slide 38, a second pull rope 311 is disposed on the housing 1, one end of the second pull rope 311 is connected to the bending lever 310, and the other end of the second pull rope 311 is connected to the locking lever on the vehicle door. Specifically, a positioning opening of a second stay wire outer sleeve is formed in the shell 1, an annular groove is formed in an outer sleeve of the second stay wire 311, the annular groove is clamped into the positioning opening to position the outer sleeve of the second stay wire 311, one end of a movable core in the second stay wire 311 is connected with a bending deflector rod 310, and the other end of the movable core is connected with a vehicle locking pull rod on a vehicle door. The second stay 311 is controlled by the lock lever, thereby controlling the switching of the swing arm 35.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims (8)

1. The utility model provides an urgent lock structure of lock, includes casing (1), latch block subassembly (2) and lock ware subassembly (3), latch block subassembly (2) one side be equipped with door buckle complex groove (21), the both sides of groove (21) rotate respectively and are provided with locking piece (22) and knot piece (23), still including rotating unlocking piece (24) that set up on latch block subassembly (2), be provided with on casing (1) be used for locking piece (22) detain piece (23) with the elastic component that unlocking piece (24) reset, be equipped with on knot piece (23) towards one side of unlocking piece (24) and stir portion (231), on unlocking piece (24) slide be provided with stir portion (231) complex plectrum (25), plectrum (25) slide with aim at or stagger stir portion (231), its characterized in that: the locking device comprises a locking device assembly (3), and is characterized in that the locking device assembly (3) comprises a swing arm (35), a connecting rod (36) connected with a shifting block (25) is arranged on the swing arm (35), an unlocking slide block (38) capable of being shifted and poked by the swing arm (35) is arranged in a sliding mode in a shell (1), a rotating button (5) is rotatably arranged on the shell (1), one side of the rotating button (5) abuts against the unlocking slide block (38), a poking groove (381) is formed in the unlocking slide block (38), an eccentric poking rod (51) extending into the poking groove (381) is arranged on one side of the rotating button (5) facing the unlocking slide block (38), and a key socket (52) is formed in the other side of the rotating button (5).

2. An emergency lock structure for a latch according to claim 1, wherein: the swing arm is characterized in that a first positioning column (11) penetrating through the swing arm (35) is arranged on the shell (1), a second positioning column (352) is arranged on the swing arm (35), and a torsion spring (39) used for positioning the swing arm (35) at a locking position and an unlocking position is arranged between the first positioning column (11) and the second positioning column (352).

3. An emergency lock structure for a latch according to claim 1, wherein: the novel door handle structure is characterized in that an inner door handle driving structure (4) is arranged on the shell (1), the inner door handle driving structure (4) comprises a first rotating arm (41), a second rotating arm (42) and an adjusting arm (43), the first rotating arm (41) and the second rotating arm (42) are rotatably arranged on the shell (1), a guide hole (12) is formed in the shell (1), an adjusting hole (421) is formed in the second rotating arm (42), a first bending part (431) which is slidably arranged in the guide hole (12) is arranged at one end of the adjusting arm (43), a second bending part (432) which is slidably arranged in the adjusting hole (421) is arranged at the other end of the adjusting arm (43), the first bending part (431) is moved in the guide hole (12) to drive the second bending part (432) to move in the adjusting hole (421) to align or stagger the first rotating arm (41), and when and only when the adjusting arm (43) and the first rotating arm (41) are pushed to align, the first rotating arm (41) and the second rotating arm (42) can be unlocked, and the first rotating arm (42) is pushed to rotate in the first rotating direction (41).

4. An emergency lock structure for a latch according to claim 3, wherein: one side of the guide hole (12) is provided with an elastic limit rib (121) with the middle part protruding into the guide hole (12).

5. An emergency lock structure for a latch according to claim 1, wherein: the unlocking slide block (38) is arranged on the back surface of the groove (21), and the rotating button (5) is rotatably arranged on the shell (1) between the groove (21) and the unlocking slide block (38).

6. An emergency lock structure for a latch according to claim 1, wherein: the locking device comprises a locking device assembly (3) and is characterized in that the locking device assembly (3) comprises a worm (32) driven by a motor (31) and a worm wheel (33) matched with the worm (32), a shifting block position adjusting mechanism (34) is arranged between the worm wheel (33) and a shifting block (25), a shifting protrusion (331) is arranged on the side face of the worm wheel (33), a shifting matching groove (353) is arranged on a swinging arm (35), and the shifting protrusion (331) can extend into the shifting matching groove (353) along with the rotation of the worm wheel (33) so as to shift the swinging arm (35) to switch in a locking position and an unlocking position, and after the switching is completed, the shifting matching groove (353) is rotated out.

7. An emergency lock structure for a latch according to claim 1, wherein: the shell (1) is provided with a guide channel (13), and the unlocking slide block (38) is provided with a pull rod connecting part (382) penetrating out of the guide channel (13).

8. An emergency lock structure for a latch according to claim 1, wherein: the automobile door lock is characterized in that a bending deflector rod is rotatably arranged on the shell (1), a slot (383) for inserting one end of the bending deflector rod (6) is formed in the unlocking sliding block (38), a second pull rope (311) is arranged on the shell (1), one end of the second pull rope (311) is connected with the bending deflector rod, and the other end of the second pull rope (311) is connected with an automobile locking pull rod on the automobile door.