CN211287058U

CN211287058U - Automatic unlocking structure of door lock body

Info

Publication number: CN211287058U
Application number: CN201921714974.0U
Authority: CN
Inventors: 朱健
Original assignee: Suzhou Kunshan Intelligent Technology Co ltd
Current assignee: Suzhou Kunshan General Locks Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-08-18
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses an automatic unlocking structure of a door lock body, a knob and a square strip seat component are respectively installed in the lock body in a rotating way, a motor can drive the knob to rotate, a deflector rod which can stir a square tongue to slide in a reciprocating way is arranged on the knob, a driving arm which can stir the square tongue to slide in a reciprocating way is arranged on the square strip seat component, a skew tongue rotating seat can be installed in the lock body in a sliding way, one end of a skew tongue can extend out of the outer side of the lock body for a set distance, the other end of the skew tongue can be installed on a skew tongue seat in a rotating way along the door opening direction, a skew tongue blocking component can be installed in the lock body in a moving way, the skew tongue blocking component can block the skew tongue or can prevent the skew tongue from rotating, the knob can drive the skew tongue blocking component to move through a first transmission mechanism to block the skew tongue or prevent the skew tongue from blocking the skew tongue, only need once unblank can, promote the door plant and just can open the door, need not to rotate the hand (hold) again, it is convenient, swift to open the door.

Description

Automatic unlocking structure of door lock body

Technical Field

The utility model relates to a lock especially indicates an automatic structure of unblanking of lock body.

Background

At present, the door lock is opening the door, all be earlier through motor or mechanical key with square bolt withdrawal lock body, open the latch bolt insurance simultaneously, then it is internal that rotatory door handle will be inclined to one side the latch bolt retraction lock, just can push open the door, this kind of mode of unblanking needs to be carried out the square bolt earlier and unblanks, then rotatory handle carries out the latch bolt and unblanks, it just can realize opening the door to carry out twice action of unblanking, it is inconvenient to open the door, especially when taking more article, need put down article earlier, just can normally open the door, bring a lot of vexation for us opens the door.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides an automatic structure of unblanking of door lock body, this automatic structure of unblanking of door lock body can realize that latch bolt and square bolt are opened in step, once unblank and can open the door, convenient to use.

The utility model discloses a solve the technical scheme that its technical problem adopted: an automatic unlocking structure of a door lock body comprises a lock body, a latch bolt, a square bolt, a motor, a knob and a square strip seat component, wherein the motor is fixedly arranged in the lock body, the square bolt can be slidably arranged in the lock body, one end of the square bolt can extend out of the outer side of the lock body to set the length, the knob and the square strip seat component can be respectively and rotatably arranged in the lock body, the motor can drive the knob to rotate, a driving lever capable of stirring the square bolt to slide in a reciprocating manner is arranged on the knob, a driving arm capable of stirring the square bolt to slide in a reciprocating manner is arranged on the square strip seat component, a latch bolt rotating seat, a first transmission mechanism, a second transmission mechanism and a latch bolt blocking component are further arranged, the latch bolt rotating seat can be slidably arranged in the lock body, one end of the latch bolt can extend out of the outer side of the lock body to set a distance, the other, the latch tongue blocking piece can prevent the latch tongue from rotating, the knob can drive the latch tongue blocking piece to move through the first transmission mechanism to block or separate the latch tongue from blocking the latch tongue, and the square bar seat component can drive the latch tongue blocking piece to move through the second transmission mechanism to block or separate the latch tongue from blocking the latch tongue.

As the utility model discloses a further improvement still is equipped with oblique tongue slide and oblique tongue elastic component that resets, oblique tongue slide fixed mounting is in the lock body, and the installation in oblique tongue slide that the straight line reciprocated sliding can be followed to the oblique tongue swivel mount, and the oblique tongue elastic component that resets provides the elasticity holding power towards the lock body outside direction for the oblique tongue swivel mount.

As a further improvement, the latch bolt side wall is provided with a key groove structure, and the latch bolt blocking piece can be inserted into the key groove structure of the latch bolt side wall.

As the utility model discloses a further improvement, oblique tongue piece includes oblique tongue separation blade down, goes up oblique tongue separation blade and link gear, going up installing in the lock body that oblique tongue separation blade and oblique tongue separation blade can relative motion down, and going up oblique tongue separation blade and oblique tongue separation blade down and being located oblique tongue double-phase offside respectively, link gear realizes going up oblique tongue separation blade and oblique tongue separation blade synchronous relative motion down.

As the utility model discloses a further improvement, down oblique tongue separation blade and last oblique tongue separation blade can the pivoted respectively install in the lock body, and the link gear is for installing last meshing tooth and lower meshing tooth on last oblique tongue separation blade and the oblique tongue separation blade down, go up meshing tooth and meshing tooth meshing transmission down.

As a further improvement of the utility model, the spring bolt separation blade that resets is still equipped with, spring bolt separation blade that resets is last spring bolt separation blade and is provided for the spring bolt separation blade that resets down and keeps inserting the elasticity that resets of locating with key groove structure on the spring bolt lateral wall.

As the utility model discloses a further improvement, first drive mechanism includes knob gear, drive gear and transmission plectrum, knob gear and the knob is coaxial to be linked firmly, and motor power output end is equipped with the gear box, gear box internal gear and knob gear engagement transmission, drive gear can the pivoted install in the lock body, drive gear and knob gear engagement transmission, and what the transmission plectrum can move installs in the lock body, forms eccentric backing pin on the drive gear lateral wall, the transmission plectrum motion can be stirred to eccentric backing pin, and oblique tongue piece motion can be stirred in the transmission plectrum motion.

As a further improvement of the utility model, the transmission plectrum is for can rotating the runner of installing in the lock or can sharp slidable mounting in the lock ejector pin, wherein is formed with first radial arch and the radial arch of second on the runner lateral wall respectively, and eccentric backing pin on the drive gear lateral wall can tightly support first radial arch on the runner, and the radial arch of second can tightly support oblique tongue piece on the runner, and eccentric backing pin on the drive gear lateral wall can tightly support ejector pin one end surface, and ejector pin other end surface can tightly support oblique tongue piece.

As a further improvement, the second drive mechanism includes rotor body, the radial evagination driving lever of first radial evagination driving lever and the radial evagination driving lever of second, rotor body can the pivoted install in the lock body, and the radial evagination driving lever of first radial evagination driving lever and second is spaced fixed mounting respectively on rotor body circumference lateral wall, and the spaced is equipped with two radial bellied square bar shifting blocks on the square bar seat subassembly circumference lateral wall, and the radial evagination driving lever of first on the rotor body is inserted and is located between two square bar shifting blocks on the square bar seat subassembly, and the radial evagination driving lever of second on the rotor body can stir the latch bolt and block the piece motion.

As a further improvement of the utility model, still be equipped with first gear and second gear, first gear and second gear can be pivoted respectively and install in the lock body, first gear and second gear meshing transmission, the interval is equipped with the first plectrum and the second plectrum that the axial height is different on the side wall of square strip seat subassembly, and first gear and actuating arm one end are equipped with the first of axial height difference respectively, two lugs, and first plectrum just right with first lug just right, and the second plectrum just right with the second lug just right, and just first plectrum and second plectrum stop respectively in the double-phase offside of first lug and second lug, extend an urging portion on the second gear circumference lateral wall, this urging portion can tightly support actuating arm one side.

The utility model has the advantages that: the utility model arranges the latch bolt rotary seat in the lock body, the latch bolt can be rotatably arranged on the latch bolt rotary seat, the latch bolt in the locking state is kept to extend out of the lock body by the elastic force of the latch bolt resetting elastic piece and the latch bolt blocking piece resetting elastic piece, the device can not retract into the lock body to open the door, when the lock is unlocked, the knob or the square strip seat component respectively opens the latch bolt blocking piece by the first transmission mechanism and the second transmission mechanism, so that the latch bolt loses the rotation blocking, the latch bolt retracts to the side wall of the door frame slot to press and automatically rotate for a certain angle when pushing the door, the latch bolt and the side wall of the door frame slot are not in a flat state but in an included angle state, the latch bolt can be used for overcoming the elastic force of the latch bolt resetting elastic piece to slide back into the lock body under the pressing action of the side wall of the door frame slot, after the door is opened, the latch bolt and the latch bolt blocking, when closing the door next time, the automatic locking latch bolt, the utility model discloses a lock body only need once unblank when opening the door can, promote the door plant and just can open the door, need not the rerotation hand (hold), it is convenient, swift to open the door.

Drawings

Fig. 1 is a perspective view of a first structural principle of the present invention;

fig. 2 is a front view of the first structure of the present invention in a locked state;

FIG. 3 is a front view of the first structure of the present invention showing the motor in an unlocked state;

FIG. 4 is a front view of the first structure of the present invention in a mechanical unlocking state;

fig. 5 is a perspective view of a second structural principle of the present invention;

fig. 6 is a front view of the second structure of the present invention in a locked state;

fig. 7 is a front view of the motor in an unlocking state according to the second structure of the present invention;

fig. 8 is a first structural perspective view of the first transmission structure of the present invention;

FIG. 9 is an exploded view of the latch bolt unlocking mechanism of the present invention;

fig. 10 is an exploded view of the lower latch plate and the upper latch plate of the present invention;

fig. 11 is a perspective view of a second structure of the first transmission structure of the present invention.

Detailed Description

Example (b): the utility model provides an automatic structure of unblanking of door lock body, includes lock body 1, latch bolt 2, square bolt 3, motor 27, knob 4 and square strip seat subassembly 5, motor 27 fixed mounting is in lock body 1, and square bolt 3 can gliding installation in

lock body

1, and 3 one ends of square bolt can stretch out 1 outsides of lock body and set for length, and knob 4 and square strip seat subassembly 5 can the pivoted respectively install in lock body 1, and motor 27 can drive knob 4 rotatory, is equipped with on the knob 4 and can stirs 3 reciprocating sliding's driving lever 6 of square bolt, is equipped with on the square strip seat subassembly 5 and can stirs 3 reciprocating sliding's of square bolt actuating arm 7, its characterized in that: the lock body is characterized by further comprising a latch bolt rotating seat 8, a first transmission mechanism, a second transmission mechanism and a latch bolt 2 blocking piece, wherein the latch bolt rotating seat 8 can be slidably installed in the lock body 1, one end of the latch bolt 2 can extend out of the outer side of the lock body 1 for a set distance, the other end of the latch bolt 2 can be installed on the latch bolt 2 seat in a door opening direction rotating mode, the latch bolt 2 blocking piece can be movably installed in the lock body 1, the latch bolt 2 blocking piece can prevent the latch bolt 2 from rotating, the knob 4 can drive the latch bolt 2 blocking piece to move through the first transmission mechanism to block or separate the latch bolt 2 from blocking, and the square strip seat assembly 5 can drive the latch bolt 2 blocking piece to move through the second transmission mechanism to block or separate the latch bolt 2 from blocking.

The lock body 1 has two modes of opening the door, namely the motor 27 unlocking and the mechanical unlocking.

Wherein:

when the motor 27 is unlocked, the circuit board control system 32 energizes the motor 27, the motor 27 drives the knob 4 to rotate, the poking rod 6 on the knob 4 pokes the dead bolt 3 to move towards the inside of the lock body 1, and meanwhile, the knob 4 drives the baffle of the latch bolt 2 to move through the first transmission mechanism, so that the rotation of the latch bolt 2 is stopped;

when the lock is mechanically unlocked, the key drives the square bar seat to rotate, the driving arm 7 drives the square bolt 3 to move towards the inside of the lock body 1, and meanwhile, the square bar seat component 5 drives the inclined bolt 2 to block the movement through the second transmission mechanism, so that the rotation of the inclined bolt 2 is blocked;

after the motor 27 is unlocked or mechanically unlocked, a user pushes the door lightly, the side wall of the latch bolt 2 is pressed by the side wall of the door frame slot to turn, when the latch bolt 2 turns for a certain angle, the latch bolt contacts with the side wall of the door frame slot through an inclined plane, the latch bolt swivel mount 8 is driven to move towards the inside of the lock body 1 together to exit from the door frame slot by continuous pressing, the latch bolt 2 is automatically unlocked, the door can be opened without pressing a handle, the door can be opened by pressing the handle again after the door is opened, the use is more convenient, the latch bolt 2 and the latch bolt swivel mount 8 can rotate by arranging an arc bulge on the latch bolt 2, an arc groove is arranged on the latch bolt swivel mount 8, the latch bolt is realized by rotating the arc bulge in the arc groove, and the latch bolt.

The lock is characterized by further comprising an oblique tongue slide way 9 and an oblique tongue reset elastic piece 10, wherein the oblique tongue slide way 9 is fixedly installed in the lock body 1, the oblique tongue rotary seat 8 can be installed in the oblique tongue slide way 9 in a linear reciprocating sliding mode, and the oblique tongue reset elastic piece 10 provides elastic holding force towards the outer side direction of the lock body 1 for the oblique tongue rotary seat 8. After the door lock is opened, the latch bolt 2 and the latch bolt rotating base 8 are abutted by the side wall of the door frame slot while the door pushing latch bolt 2 is turned over, and slide towards the inside of the lock body 1 along the latch bolt slide way 9 together, finally exit from the door frame slot to realize opening the door, the latch bolt resetting elastic piece 10 is compressed in the sliding process of the latch bolt rotating base 8, after the door is opened, the latch bolt resetting elastic piece 10 elastically resets to realize resetting of the latch bolt 2 and the latch bolt rotating base 8, and the structure realizes automatic resetting of the latch bolt 2 and ensures that the latch bolt 2 is automatically in a door locking state after the door is closed again.

The side wall of the latch bolt 2 is provided with a key groove structure, and the blocking piece of the latch bolt 2 can be inserted into the key groove structure on the side wall of the latch bolt 2. The rotation of the latch bolt 2 is prevented by inserting the stop piece of the latch bolt 2 into the key slot structure on the side wall of the latch bolt 2, the structure is simple, the operation is convenient, and in addition, the latch bolt 2 can be clamped to prevent the rotation of the latch bolt 2 or be stopped on the side wall of the latch bolt 2 in the rotation direction to prevent the rotation of the latch bolt 2, which is an equivalent alternative structure that can be easily thought by a person skilled in the art according to the patent, and belongs to the protection scope of the patent.

The inclined tongue 2 blocking piece comprises a lower inclined tongue blocking piece 11, an upper inclined tongue blocking piece 12 and a linkage mechanism, the upper inclined tongue blocking piece 12 and the lower inclined tongue blocking piece 11 can move relatively and are installed in the lock body 1, the upper inclined tongue blocking piece 12 and the lower inclined tongue blocking piece 11 are respectively located on two opposite sides of the inclined tongue 2, and the linkage mechanism achieves synchronous relative movement of the upper inclined tongue blocking piece 12 and the lower inclined tongue blocking piece 11. The upper oblique tongue blocking piece 12 and the lower oblique tongue blocking piece 11 are synchronously inserted into and withdrawn from two opposite side walls of the oblique tongue 2 to symmetrically block or separate the oblique tongue 2, so that the blocking effect of the oblique tongue 2 is ensured, and the separation of the oblique tongue 2 from a blocking piece of the oblique tongue 2 by external force is avoided.

The lower oblique tongue blocking piece 11 and the upper oblique tongue blocking piece 12 are respectively rotatably installed in the lock body 1, the linkage mechanism is an upper meshing tooth 35 and a lower meshing tooth 36 which are installed on the upper oblique tongue blocking piece 12 and the lower oblique tongue blocking piece 11, and the upper meshing tooth 35 is in meshing transmission with the lower meshing tooth 36. The upper oblique tongue blocking piece 12 and the lower oblique tongue blocking piece 11 are both formed with L-shaped structures, the two are butted to form a space which just contains the oblique tongue 2 and the oblique tongue rotating seat 8, the upper oblique tongue blocking piece 12 and the lower oblique tongue blocking piece 11 form a similar clamp structure due to relative rotation, the two are synchronously opened or synchronously closed through meshing teeth, the two blocking pieces can synchronously move only by stirring the blocking piece at one side, the two are separated from the side wall of the oblique tongue 2 when opened, the oblique tongue 2 can rotate around the oblique tongue 2 to open the door, otherwise, the oblique tongue 2 is blocked when the upper oblique tongue blocking piece 12 and the lower oblique tongue blocking piece 11 are combined, the oblique tongue 2 cannot rotate, the oblique tongue 2 cannot be pushed into the door lock by the side wall on the door frame, namely, the door cannot be opened, besides the linkage structure, the upper oblique tongue 12 and the lower oblique tongue blocking piece 11 can relatively slide along the linear direction, and the linkage mechanism can be a linkage rack and a linkage gear, linkage racks are respectively arranged on the upper oblique tongue blocking piece 12 and the lower oblique tongue blocking piece 11, a linkage gear can be rotatably arranged in the lock body 1, the linkage racks on the upper oblique tongue blocking piece 12 and the lower oblique tongue blocking piece 11 are respectively in meshing transmission with the linkage gear, and synchronous opening and closing movement can be realized through a bidirectional screw and nut mechanism.

And the inclined tongue blocking piece resetting elastic piece 13 is also arranged, and the inclined tongue blocking piece resetting elastic piece 13 provides resetting elasticity for the upper inclined tongue blocking piece 12 and the lower inclined tongue blocking piece 11 to be inserted into the key groove structure on the side wall of the inclined tongue 2. The latch bolt blocking piece resetting elastic piece 13 provides resetting elastic force for the upper latch bolt blocking piece 12 and the lower latch bolt blocking piece 11, so that the latch bolt 2 is automatically blocked when the door is closed again, and the latch bolt blocking piece resetting elastic piece 13 can be a torsion spring, a pressure spring or a tension spring.

The first transmission mechanism comprises a knob gear 14, a transmission gear 15 and a transmission shifting piece, the knob gear 14 is coaxially and fixedly connected with the knob 4, a gear box is arranged at the power output end of the motor 27, a gear in the gear box is in meshing transmission with the knob gear 14, the transmission gear 15 can be rotatably installed in the lock body 1, the transmission gear 15 is in meshing transmission with the knob gear 14, the transmission shifting piece can be movably installed in the lock body 1, an eccentric stop pin 16 is formed on the side wall of the transmission gear 15, the eccentric stop pin 16 can shift the transmission shifting piece to move, and the transmission shifting piece can shift the inclined tongue 2 to block the piece to move. The motor 27 drives the knob gear 14 to rotate through the gear box, meanwhile, the knob gear 14 drives the transmission gear 15 to rotate, a transmission shifting piece on the transmission gear 15 moves along with the transmission gear 15 to realize shifting of the blocking piece of the latch bolt 2, in addition, other transmission modes such as a gear and rack transmission mode can also be adopted, the transmission gear 15 rotates to drive a rack to slide up and down to shift the blocking piece of the latch bolt 2, or transmission is realized through a crank block mechanism, which is equivalent replacement easily thought by the technical personnel in the field according to the patent, limiting pieces such as a stop pin and the like for limiting the movement range of the blocking piece of the latch bolt 2 are also optimally arranged on the lock body 1, and the situation that the movement range of the blocking piece of the latch bolt 2 is.

The transmission plectrum is runner 17 that can rotate the installation in lock body 1 or can straight line slidable mounting in the ejector pin 18 of lock body 1, wherein is formed with first radial arch 19 and second radial arch 20 on the runner 17 lateral wall respectively, and eccentric backing pin 16 on the drive gear 15 lateral wall can tightly support first radial arch 19 on runner 17, and second radial arch 20 can tightly support oblique tongue 2 and block the piece on runner 17, and eccentric backing pin 16 on the drive gear 15 lateral wall can tightly support 18 one end surface of ejector pin, and 18 other end surface of ejector pin can tightly support oblique tongue 2 and block the piece. The structure realizes that the latch bolt 2 is prevented shifting of different side surfaces in different directions, and finally the latch bolt 2 can be prevented moving along the existing track, the optimal third radial bulge 21 is arranged on the rotating wheel 17, the separating blocks 22 are arranged in the lock body 1 at intervals, the third radial bulge on the rotating wheel 17 moves between the two separating blocks, so that the limit of the rotating angle of the rotating wheel 17 is realized, the optimal long strip-shaped guide track is arranged on the ejector rod 18, the fixed sliding pin is arranged on the lock body 1, and the limit of the sliding direction and the sliding distance of the ejector rod 18 is realized by sliding the sliding pin in the guide track on the ejector rod 18.

The second transmission mechanism comprises a rotor body 23, a first radial outward protruding driving lever 24 and a second radial outward protruding driving lever 25, the rotor body 23 can be rotatably installed in the lock body 1, the first radial outward protruding driving lever 24 and the second radial outward protruding driving lever 25 are fixedly installed on the outer circumferential side wall of the rotor body 23 at intervals respectively, two radial protruding square bar shifting blocks 26 are arranged on the outer circumferential side wall of the square bar seat assembly 5 at intervals, the first radial outward protruding driving lever 24 on the rotor body 23 is inserted between the two square bar shifting blocks 26 on the square bar seat assembly 5, and the second radial outward protruding driving lever 25 on the rotor body 23 can shift the oblique tongue 2 to block movement. When the square bar seat component 5 rotates, any one of two square bar shifting blocks 26 on the side wall of the square bar seat component can stir the first radial outward protruding shifting lever 24 to drive the rotor body 23 to rotate, then the second radial outward protruding shifting lever 25 can stir the inclined tongue 2 to block the part to move along the existing track, the structure realizes that the square bar seat component 5 rotates to open the inclined tongue 2, the installation direction of the square bar seat has no requirement, a V-shaped open slot structure is optimally formed between the two square bar shifting blocks 26 on the square bar seat component 5, the first radial outward protruding shifting lever 24 can be stirred in a certain range, and the first end part and the second end part of the radial outward protruding shifting lever 6 can be optimally provided with a roller, and the smooth stirring is realized.

The lock is characterized by further comprising a first gear 28 and a second gear 29, the first gear 28 and the second gear 29 can be rotatably mounted in the lock body 1 respectively, the first gear 28 and the second gear 29 are in meshed transmission, a first shifting piece 30 and a second shifting piece 31 which are different in axial height are arranged on the side wall of the square bar seat component 5 at intervals, a first protruding block and a second protruding block which are different in axial height are arranged at one end of the first gear 28 and one end of the driving arm 7 respectively, the first shifting piece 30 is just opposite to the first protruding block, the second shifting piece 31 is just opposite to the second protruding block, the first shifting piece 30 and the second shifting piece 31 are stopped at two opposite sides of the first protruding block and the second protruding block respectively, and a jacking portion extends out of the circumferential outer side wall of the second gear 29 and can be tightly abutted to one side of the driving arm 7. The square bar seat rotates forwards, the first poking piece 30 drives the first gear 28 to rotate, the second poking piece 31 does not poke the driving arm 7, the first gear 28 drives the second gear 29 to rotate in the opposite direction, the top portion on the second gear 29 pushes against the surface of one side of the driving arm 7 when the second gear 29 rotates to force the driving arm 7 to move so as to retract and unlock the square tongue 3 component, when the square bar seat rotates reversely, the first gear 28 and the second gear 29 do not move, the second poking piece 31 pokes the driving arm 7 to move so as to retract the square tongue 3 component, no matter how the square bar seat component 5 rotates, the square tongue 3 component retracts into the lock body 1, the non-directional installation of the square bar seat component 5 is realized, the lock body 1 can be further internally provided with an anti-insertion tongue fixing rod 33 for installing an anti-insertion tongue 34, and the situation that a card is inserted into a door seam to open the door outside the door.

Claims

1. The utility model provides an automatic structure of unblanking of door lock body, includes lock body (1), latch bolt (2), square bolt (3), motor (27), knob (4) and square strip seat subassembly (5), motor fixed mounting is in the lock body, and the square bolt can be gliding installs in the lock body, and square bolt one end can stretch out the lock body outside and set for length, and knob and square strip seat subassembly can be pivoted respectively and install in the lock body, and the motor can drive the knob rotatory, is equipped with on the knob and can stir square bolt reciprocating sliding's driving lever (6), is equipped with on the square strip seat subassembly and can stir square bolt reciprocating sliding's actuating arm (7), its characterized in that: the lock body is characterized by further comprising a latch bolt rotating seat (8), a first transmission mechanism, a second transmission mechanism and a latch bolt blocking piece, wherein the latch bolt rotating seat can be slidably installed in the lock body, one end of the latch bolt can extend out of the outer side of the lock body to set a distance, the other end of the latch bolt can be installed on the latch bolt seat in a door opening direction rotating mode, the latch bolt blocking piece can be movably installed in the lock body and can prevent the latch bolt from rotating, the knob can drive the latch bolt blocking piece to move through the first transmission mechanism to block or separate the latch bolt from blocking, and the square bar seat assembly can drive the latch bolt blocking piece to move through the second transmission mechanism to block or separate the latch bolt from blocking.

2. The automatic unlocking structure of the door lock body according to claim 1, characterized in that: the lock body is characterized by further comprising an oblique tongue slide way (9) and an oblique tongue reset elastic piece (10), the oblique tongue slide way is fixedly installed in the lock body, the oblique tongue rotating seat can be installed in the oblique tongue slide way in a linear reciprocating sliding mode, and the oblique tongue reset elastic piece provides elastic holding force towards the outer side direction of the lock body for the oblique tongue rotating seat.

3. The automatic unlocking structure of the door lock body according to claim 1 or 2, characterized in that: the side wall of the latch bolt is provided with a key groove structure, and the latch bolt blocking piece can be inserted into the key groove structure of the side wall of the latch bolt.

4. The automatic unlocking structure of the door lock body according to claim 3, characterized in that: the inclined tongue blocking piece comprises a lower inclined tongue blocking piece (11), an upper inclined tongue blocking piece (12) and a linkage mechanism, the upper inclined tongue blocking piece and the lower inclined tongue blocking piece can move relatively and are installed in the lock body, the upper inclined tongue blocking piece and the lower inclined tongue blocking piece are respectively located on two opposite sides of the inclined tongue, and the linkage mechanism achieves synchronous relative movement of the upper inclined tongue blocking piece and the lower inclined tongue blocking piece.

5. The automatic unlocking structure of the door lock body according to claim 4, characterized in that: the lower oblique tongue blocking piece and the upper oblique tongue blocking piece can be respectively and rotatably arranged in the lock body, the linkage mechanism is an upper meshing tooth (35) and a lower meshing tooth (36) which are arranged on the upper oblique tongue blocking piece and the lower oblique tongue blocking piece, and the upper meshing tooth is in meshing transmission with the lower meshing tooth.

6. The automatic unlocking structure of the door lock body according to claim 5, characterized in that: and the spring bolt retaining piece resetting elastic piece (13) is also arranged and provides resetting elasticity for the upper spring bolt retaining piece and the lower spring bolt retaining piece to be inserted into the key groove structure on the side wall of the spring bolt.

7. The automatic unlocking structure of the door lock body according to claim 3, characterized in that: the first transmission mechanism comprises a knob gear (14), a transmission gear (15) and a transmission shifting piece, the knob gear is coaxially and fixedly connected with a knob, a gear box is arranged at the power output end of a motor, an inner gear of the gear box is in meshing transmission with the knob gear, the transmission gear can be rotatably installed in a lock body and in meshing transmission with the knob gear, the transmission shifting piece can be movably installed in the lock body, an eccentric stop pin (16) is formed on the side wall of the transmission gear, the eccentric stop pin can stir the transmission shifting piece to move, and the transmission shifting piece can stir the oblique tongue blocking piece to move.

8. The automatic unlocking structure of the door lock body according to claim 7, characterized in that: the transmission plectrum is for can rotating runner (17) of installing in the lock or can sharp slidable mounting ejector pin (18) in the lock, wherein is formed with first radial arch (19) and second radial arch (20) on the runner lateral wall respectively, and the eccentric backing pin on the drive gear lateral wall can tightly support first radial arch on the runner, and the radial arch of second can tightly support oblique tongue piece on the runner, and the eccentric backing pin on the drive gear lateral wall can tightly support ejector pin one end surface, and ejector pin other end surface can tightly support oblique tongue piece.

9. The automatic unlocking structure of the door lock body according to claim 3, characterized in that: the second transmission mechanism comprises a rotor body (23), a first radial outward-protruding driving lever (24) and a second radial outward-protruding driving lever (25), the rotor body can be rotatably installed in the lock body, the first radial outward-protruding driving lever and the second radial outward-protruding driving lever are fixedly installed on the outer side wall of the circumference of the rotor body at intervals, two radial protruding square bar shifting blocks (26) are arranged on the outer side wall of the circumference of the square bar seat assembly at intervals, the first radial outward-protruding driving lever on the rotor body is inserted between the two square bar shifting blocks on the square bar seat assembly, and the second radial outward-protruding driving lever on the rotor body can shift the latch stop to move.

10. The automatic unlocking structure of the door lock body according to claim 1, characterized in that: the square bar seat is characterized by further comprising a first gear (28) and a second gear (29), wherein the first gear and the second gear can be rotatably installed in the lock body respectively, the first gear and the second gear are in meshed transmission, a first shifting piece (30) and a second shifting piece (31) which are different in axial height are arranged on the side wall of the square bar seat component at intervals, one end of the first gear and one end of the driving arm are provided with a first lug and a second lug which are different in axial height respectively, the first shifting piece is just right opposite to the first lug, the second shifting piece is just right opposite to the second lug, the first shifting piece and the second shifting piece are stopped at two opposite sides of the first lug and the second lug respectively, and an abutting part extends out of the outer side wall of the circumference of the second gear and can abut against one side of the driving arm tightly.