CN114352136A - Automatic control mechanism of full-automatic lock body - Google Patents

Abstract

The invention relates to an automatic control mechanism of a full-automatic lock body, which comprises an inclined bolt self-locking assembly, a motor assembly, a trigger bolt assembly, a square bolt assembly, a lock head assembly and a safety bolt assembly which are arranged in a lock shell of the full-automatic lock body. When the oblique tongue head in the oblique tongue assembly is self-locked, the reset seat of the oblique tongue head pushes against the oblique tongue head, so that the oblique tongue head cannot be overturned, and the self-locking function is achieved. When the unblock, as long as lightly press the unblock contact terminal surface that sets up on touching the latch bolt unblock plectrum, just can stir the auto-lock plunger rod and move, reach the unblock function, this setting also can light unblock when the door warp and compress tightly the latch bolt face, makes the full-automatic lock body of design simpler, economical and practical.

Description

Automatic control mechanism of full-automatic lock body

Technical Field

The invention relates to the field of intelligent locks, in particular to a self-control mechanism of a full-automatic lock body.

Background

The intelligent lock on the market at present has numerous functions, and the mechanical function that its effect lies in unblanking is unblanked by intelligence and is replaced, is different from traditional mechanical lock, has security and convenience, belongs to the compound lock body of innovation technique. However, the existing intelligent lock can rarely be unlocked fully automatically, and the main lock tongue is retracted into the lock body by rotating the handle after verification. In addition, the internal structure of the existing intelligent lock is complex, and the problems of stability and safety of the existing intelligent lock are worried.

In the course of constant innovation of smart locks, enterprises or individuals utilize patent applications to protect technical protections involving fully automatic locks. For example, chinese patent 201921685237.2 entitled "a full-automatic lock body" discloses the technology related to lock shell, lining board, scissors tongue, collision tongue, scissors tongue rod, etc., and uses the control chip circuit board to unlock, but there is not much technical innovation in the mechanical structure part in the traditional lock body. Obviously, the technical scheme of the patent is far from achieving the obvious effect of fully automatically controlling the unlocking of the mechanical structure in the lock body. Patent No. 202020576576.3, entitled "full automatic lock", discloses a locking and unlocking mechanism technology of a lock tongue, but has a complicated structure. The patent No. 201920421413.5, entitled "an automatic lock latch bolt assembly structure" and patent No. 201921132359.9, entitled "a full-automatic lock trigger lock-reversing device", still lacks the technical scheme of combining mechanical and electric control structure parts in the aspect of technical innovation.

Based on the defects of the technology, an automatic control mechanism of the full-automatic lock body needs to be researched innovatively, brand new technical innovation is carried out on the aspects of machinery and electric control, and the purposes of fully full-automatic unlocking and preventing technical unlocking are achieved.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the technical scheme of the automatic control mechanism of the full-automatic lock body, which has more ideal structure optimization and can prevent technical unlocking.

The automatic control mechanism of the full-automatic lock body is implemented, and comprises an inclined tongue self-locking assembly, a motor assembly, a trigger tongue assembly, a square tongue assembly, a lock head assembly and a safety tongue assembly which are arranged in a lock shell of the full-automatic lock body;

the oblique tongue self-locking assembly comprises an oblique tongue, an oblique tongue shell, an unlocking shifting piece, a reset pressure spring, a self-locking push rod, a reset seat and a self-locking guide block, and is characterized in that a self-locking contact block is arranged in the oblique tongue shell and corresponds to the reset seat, the reset seat is fixed in a guide groove at the bottom of the oblique tongue box, the self-locking push rod extending out of the reset seat is positioned in the guide groove of the oblique tongue shell, the reset pressure spring is arranged at a fixed position arranged at each side of the self-locking push rod, after the unlocking shifting piece is arranged at a position where the oblique tongue box is combined with the tail of the self-locking push rod, a cover plate is buckled for screw fixation, and finally, the oblique tongue head is arranged at an insertion opening of the oblique tongue shell to form the oblique tongue assembly;

the motor component comprises a motor, a motor shaft gear, a switching gear, a gear switching piece and a switch, and is characterized in that the motor shaft gear is meshed with the switching gear, and the switching gear is meshed with the internal teeth of the gear switching piece to drive the square tongue poking piece to rotate, so that the square tongue is pushed into the lock shell in place;

the trigger tongue component comprises a trigger tongue, a connecting piece and a reset pressure spring, and is characterized in that the trigger tongue is correspondingly arranged in a trigger tongue hole of a side plate strip of the lock shell, the connecting piece is sleeved with the reset pressure spring, and a tail switch contact of the connecting piece is inserted into a lug clamping groove of the lock box for fixing, and the contact of the connecting piece is matched with the contact end surface of the unlocking shifting piece;

the square tongue component comprises a square tongue, a key transmission piece, a gear driving piece and a square tongue stirring piece, and is characterized in that the key transmission piece and a torsion spring are arranged at the guide groove of the square tongue stirring piece, the gear driving piece and the square tongue stirring piece are superposed under the guide column of the square tongue vertical guide groove, and the teeth of the gear driving piece are meshed with the external teeth of the gear switching piece of the motor component.

The unlocking shifting piece of the oblique tongue component is provided with a fixing hole, a push rod, a contact end surface of a trigger tongue driving piece and a contact end surface of a knob shifting block; the self-locking push rod is provided with a reset torsion spring bayonet, a push rod limiting end face, a contact end face, a front end, a shifting piece contact end face and a switch contact face.

The oblique tongue head of the oblique tongue component is provided with a first oblique tongue and a second oblique tongue which are provided with a rotating hole, a clamping position and a contact surface; wherein: the contact surface of the first latch bolt is clamped on the contact surface of the latch bolt box when the latch bolt is unlocked and reset; and the contact surface of the second latch bolt returns to the sliding groove on the bottom surface of the latch bolt box after resetting.

The reset seat of the latch bolt component is arranged at the self-locking contact block of the latch bolt shell, the self-locking guide block of the reset seat corresponds to the contact groove of the self-locking contact block, the contact end face of the front end of the self-locking push rod is matched at the contact end face of the self-locking guide block, the limiting end face of the self-locking push rod is clamped on the limiting stop face of the base box, then one end of the reset torsion spring is inserted into the bayonet, and the other end of the reset torsion spring is hung on the hanging nail of the reset box and falls on the rear of the guide groove to be fastened with the upper cover plate through screws to be locked to form the reset seat.

The gear switching piece of the motor component is provided with a rotating hole, a directional hole and an antenna, and is also provided with internal teeth and external teeth for meshing with the teeth of the motor switching gear and the square tongue driving piece, so that when the motor rotates, the square tongue driving piece of the switching gear driving gear switching piece pushes the square tongue to be in place in the lock shell.

The gear driving piece of the square tongue component is provided with a rotating hole, a movable groove and teeth; the square tongue stirring sheet is provided with a square tongue guide post, a rotating hole, a torsion spring fixing post hole, a riveting post fixing hole, a guide post hole, a cam socket, a torsion spring fixing post, a driving post and a contact end face.

Advantageous effects

The invention relates to an automatic control mechanism of a full-automatic lock body, in particular to a reset seat of an oblique tongue in an oblique tongue component which props against the oblique tongue when in self-locking, so that the oblique tongue cannot turn over, and the self-locking function is achieved. When the unblock, as long as lightly press the unblock contact terminal surface that sets up on touching the latch bolt unblock plectrum, just can stir the auto-lock plunger rod and move, reach the unblock function, this setting also can light unblock when the door warp and compress tightly the latch bolt face, makes the full-automatic lock body of design simpler, economical and practical.

Drawings

Fig. 1 is a perspective view of an automatic control mechanism of a fully automatic lock body according to the present invention;

fig. 2 is a plan structure view of an automatic control mechanism of a fully automatic lock body according to the present invention;

fig. 3 is an exploded view of an automatic control mechanism of a full-automatic intelligent lock body according to the present invention;

fig. 4 is a front structure view of a dead bolt of an automatic control mechanism of a full-automatic lock body according to the present invention;

fig. 5 is a bottom structure view of a dead bolt of an automatic control mechanism of a full-automatic lock body according to the present invention;

fig. 6 is a structure diagram of a key rotor of an automatic control mechanism of a fully automatic lock body according to the present invention;

fig. 7 is a structural view of a gear driving plate of an automatic control mechanism of a full-automatic lock body according to the present invention;

fig. 8 is a structural view of a gear adapter plate of an automatic control mechanism of a full-automatic lock body according to the present invention;

fig. 9 is a structural view of a dead bolt moving plate of an automatic control mechanism of a full-automatic lock body according to the present invention;

fig. 10 is a structural view of a handle knob dial wheel of an automatic control mechanism of a full-automatic lock body according to the present invention;

fig. 11 is a structural view of a trigger tongue assembly of an automatic control mechanism of a full-automatic lock body according to the present invention;

fig. 12 is a drawing showing a trigger tongue assembly of the self-controlling mechanism of the fully automatic lock body according to the present invention;

fig. 13 is a perspective view of a latch bolt assembly of the automatic control mechanism of the fully automatic lock body according to the present invention;

fig. 14 is a structural view of a latch bolt box of an automatic control mechanism of a full-automatic lock body according to the invention;

fig. 15 is a self-locking contact block diagram of the self-control mechanism of the fully automatic lock body according to the present invention;

fig. 16 is a structural view of a cover plate of a latch bolt assembly of a self-control mechanism of the full-automatic lock body according to the invention;

fig. 17 is a schematic diagram of a latch bolt structure of an automatic control mechanism of a full-automatic lock body according to the present invention;

fig. 18 is a structural view of a reset seat of an automatic control mechanism of a full-automatic lock body according to the invention;

fig. 19 is a structural view of a reset box of an automatic control mechanism of a full-automatic lock body according to the present invention;

fig. 20 is a structural view of an unlocking moving piece of an automatic control mechanism of a full-automatic lock body according to the present invention;

fig. 21 is a structural view of a self-locking push rod of an automatic control mechanism of a full-automatic lock body according to the present invention;

fig. 22 is a self-locking block diagram of the self-control mechanism of the fully automatic lock body according to the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1 to 3, 4, 8, 9, 11, 13 to 16 and 18, an automatic control mechanism of a fully automatic lock body is implemented, which includes a dead bolt self-locking assembly 6, a motor assembly 7, a trigger bolt assembly 5, a dead bolt assembly 4, a lock head assembly 3 and safety bolt assemblies 25 and 26 arranged in a lock case 2 of the fully automatic lock body 1, wherein a motor 72 drives the dead bolt 41 and a dead bolt unlocking dial 63, so that the dead bolt unlocking dial 63 is combined with a switch contact 524 of the trigger bolt 51 to form the automatic control mechanism of the fully automatic lock body. The latch bolt self-locking assembly 6 comprises a latch bolt 62, a latch bolt shell 61, an unlocking shifting sheet 63, a reset pressure spring 64, a self-locking push rod 66, a reset seat 67 and a self-locking guide block 68, wherein a self-locking contact block 65 is arranged in the latch bolt shell 61 and corresponds to the reset seat 67, the reset seat 67 is fixed in a guide groove 618 at the bottom of a latch bolt box 610, a switch contact surface 666 at the positioning tail part of the self-locking push rod 66 extending out of the reset seat is positioned in the guide groove 616 of the latch bolt box 610, then the reset pressure spring 64 is arranged at a fixed position arranged at each side of the self-locking push rod 66, after the unlocking shifting sheet 63 is arranged at the position where the latch bolt box 611 is combined with the tail part of the self-locking push rod 66, a cover plate 612 is buckled for fixation through a screw 6792, and finally the latch bolt head 62 is arranged in a socket 614 of the latch bolt shell 61 to form the latch bolt assembly 6; the motor assembly 7 comprises a motor 71, a motor shaft gear 721, a transfer gear 73, a gear transfer piece 74 and a switch 75, wherein the motor shaft gear 721 is meshed with the transfer gear 73, and the transfer gear 73 is meshed with the internal teeth 743 of the gear transfer piece 74 to drive the dead bolt shifting piece 44 to rotate, so that the dead bolt 41 is pushed into the lock case 2 to be in place. The trigger tongue assembly 5 comprises a trigger tongue 511, a connecting piece 52 and a reset compression spring 53, the trigger tongue 51 is correspondingly arranged in a trigger tongue hole 234 of the side plate bar 23 of the lock case 2, after the connecting piece 52 is sleeved with the reset compression spring 53, a tail switch contact 524 of the connecting piece 52 is inserted into a clamping groove 2131 of the protruding block 213 of the lock case 21 for fixation, and a contact 522 of the connecting piece 52 is matched with a contact end face 633 of the unlocking poking piece 63. The square tongue component 4 comprises a square tongue 41, a key driving plate 42, a gear driving plate 43 and a square tongue dialing plate 44, wherein the key driving plate 42 and a torsion spring 415 are arranged at a guide slot 411 of the square tongue dialing plate 44, the gear driving plate 43 and the square tongue dialing plate 44 are superposed under a guide column 215 of a square tongue vertical guide slot 412, and a tooth 433 of the gear driving plate 43 is meshed with an external tooth 744 of a gear switching plate 74 of the motor component 7.

The unlocking poking sheet 63 of the latch bolt component 6 is provided with a fixing hole 631, a push rod 632, a trigger bolt driving sheet contact end surface 633 and a handle knob poking wheel block contact end surface 634; the self-locking push rod 66 is provided with a torsion spring bayonet 661, a push rod limiting end surface 662, a contact end surface 663, a front end 664, a shifting piece contact end surface 66 and a switch contact surface 666.

The oblique tongue head 62 of the oblique tongue component 6 is provided with a first oblique tongue 621 and a second oblique tongue 622 which are respectively provided with rotating holes 6211 and 6221, clamping positions 6212 and 6222 and contact surfaces 6213 and 6223; wherein: the contact surface 6213 of the first latch 621 is clamped on the contact surface 615 of the latch shell 61 when the latch is unlocked and reset; the contact surface 6223 of the second latch 622 returns to the sliding groove 619 on the bottom surface of the latch shell 61 after being reset. The reset seat 67 of the latch bolt assembly 6 is arranged at the self-locking contact block 65 of the latch bolt housing 61, the self-locking guide block 68 of the reset seat 67 corresponds to the contact groove 652 of the self-locking contact block 65, the contact end face 664 of the inclined surface of the front end 663 of the self-locking push rod 66 is matched at the contact end face 683 of the self-locking guide block 68, the limit end face 662 of the self-locking push rod 66 is clamped at the limit stop face 673 of the base box 671, then one end of the reset torsion spring 69 is inserted into the bayonet 661, the other end is hung at the hanging nail 674 of the reset box 670 and falls on the guide groove 676 and is fastened and locked by the screw 6792 to form the reset seat.

The gear adapter plate 74 of the motor assembly 7 is provided with a rotation hole 741, an orientation hole 742 and a feeler 745, and also with internal teeth 743 and external teeth 744 for engaging the teeth of the motor adapter gear 73 and the tongue driver plate 43 so that when the motor is rotated, the adapter gear 73 drives the tongue driver plate 44 of the gear adapter plate 74 to advance the tongue 41 into position in the lock housing 2.

The gear driving piece of the square tongue component 4 is provided with a rotating hole 431, a movable groove and teeth 433; the blade toggle 44 has a blade guide 440, a rotation hole 441, a torsion spring fixing post hole 442, a rivet post fixing hole 443, a guide post hole 444, a cam socket 445, a torsion spring fixing post 446, a driving post 448, and a contact end face 449.

Further, as shown in fig. 4 to 7, fig. 9 is a structural diagram of the dead bolt assembly, wherein fig. 4 and 5 are front and bottom views of the dead bolt and the key driving piece, fig. 6 is a schematic structural diagram of the dead bolt key driving piece, fig. 7 is a schematic structural diagram of the gear adapter piece of the dead bolt assembly,

further, as shown in fig. 2 and 8, the motor casing 71 of the motor assembly 7 is composed of a motor box 711 and a motor cover 712, the motor 72 is arranged in the motor casing 71 and connected with a motor shaft gear 721, the motor shaft gear 721 is meshed with the transfer gear 73, and then the motor cover 712 is fastened to the corresponding screw hole 713 and locked by a screw 714; meanwhile, the adapter gear 73 is meshed with the internal teeth 743 of the gear adapter plate 74, and the external teeth 744 of the gear adapter plate 74 is meshed with the teeth 433 of the square tongue gear driving plate 43 to form the motor assembly 7. When the gear driving piece 43 drives the dead bolt pulling piece 44 to rotate, the dead bolt 41 is pushed to the lock case 2. The motor 72 is further electrically connected to two switches 75, one switch 75 is electrically connected to the guiding slot 616 at the rear of the inclined tongue shell 61, and the other switch 75 is electrically connected to the tail of the connecting member 52 of the trigger tongue 51 and the protrusion 213 of the lock case 21 and the locking slot 2131.

As shown in fig. 8, the gear adapter plate 74 is provided with a rotation hole 741, a directional hole 742, internal teeth 743 and external teeth 744; the gear adapter plate 74 is provided with a directional hole 742 for opening or closing reset, the internal teeth 743 of the gear adapter plate 74 mainly engage the adapter gear 73 of the motor 72, and the external teeth 744 are engaged with the teeth 433 of the latch gear driving plate 43. Here, it should be noted that the transfer gear 73 is bevel-shaped, and has upper and lower teeth, the upper tooth engages with the motor shaft gear, and the lower tooth engages with the inner teeth 743 of the gear transfer plate 74.

Further, as shown in fig. 10, the handle knob dial 28 is provided with a square hole 281 for receiving the square shaft of the handle, a boss 282 for fastening the hole 222 of the lock cover 22, a contact end surface 283 of the knob dial 28 fits with a contact end surface 634 of the latch unlocking plate 63, and another contact end surface 284 of the knob dial 28 fits with a contact end surface 449 of the latch actuating plate 44.

Further, as shown in fig. 11 and 12, the trigger tongue assembly 5 is connected to the link 52 by the trigger tongue 51, and a return compression spring 53 is provided on the rod 523 of the link 52. Wherein, the trigger tongue is provided with a hole 511, a side plate strip blocking position 512 and a connecting piece blocking position 513, and is fixed in the hole 521 of the connecting piece 52 by a riveting column 514; the connecting element 52 is provided with a hole 521, a contact 522 and a rod 523, and the rod 523 is a switch contact 524.

Further, as shown in fig. 13 to 22, fig. 14 to 16 show the structure in the latch bolt case after the cover plate is removed from the latch bolt assembly, the latch bolt housing 61 is composed of the latch bolt case 611 and the cover plate 612, wherein the bottom of the latch bolt case 611 is respectively provided with the sliding groove 619 of the contact surface 6223 of the second latch bolt 662, the guide groove 618 of the bottom limit bump 677 of the reset seat 67 and the guide groove 616 of the self-locking push rod 66. Fig. 17 is a structural view of the oblique tongue 62, and the oblique tongue head 62 is provided with a first oblique tongue 621, a second oblique tongue 622, and a fixing pin 623, and is rotatably movable after riveting with the fixing pin 623.

As shown in fig. 18 and 19, in the structure diagram of the composite seat 67 shown after the cover plate 679 is removed, the reset seat 67 is composed of a base case 670 and the cover plate 679, and the base case 670, a limit surface 671, a guide groove 672, a limit stop surface 673, a peg 674, a guide groove 675, a circlip stud 676, a projection 677 and a screw hole 678 are provided. The base box 670 of the reset seat 67 is provided with a guide groove 672 which is correspondingly sleeved with the self-locking guide block 68, the self-locking guide block 68 is inosculated at the position of the contact groove 652 of the self-locking contact block 65 of the latch bolt box, wherein the position-limiting part 681 of the self-locking guide block 68 is clamped on the position-limiting surface 671 of the base box 670 of the reset seat 67, then the contact end face 664 of the front end 663 of the self-locking push rod 66 is inosculated at the contact face 683 of the self-locking guide block 68, the limit end surface 662 of the self-locking push rod 66 is clamped on the limit stop surface 673 of the base box 671, then one end of the reset torsion spring 69 is inserted into the bayonet 661, the other end is hung on the hanging nail 674 of the reset box 670 and falls on the guide groove 676 to be fastened and locked by the screw 6792 through the upper cover plate 679, then the reset pressure spring 64 is correspondingly arranged at the two sides of the self-locking push rod 66, the fixing hole of the latch unlocking shifting sheet 63 corresponds to the latch box fixing column 631, and the push rod 632 is matched with a contact surface 665 at the tail part of the self-locking push rod 66 and then locked by fastening a screw 613 of the cover plate 612.

As shown in FIG. 20, the latch assembly includes an unlocking tab 63 having a contact surface 631, an aperture 631, a push rod 632, a contact surface 633 of the actuation tab 51 driver blade and a contact surface 634 of the handle knob driver 28. The hole 631 of the unlocking shifting piece 63 corresponds to the fixing column 611 of the latch bolt box 610, the push rod 632 of the unlocking shifting piece 63 is transversely inserted and blocked on the contact end surface 665 of the self-locking push rod 66, and the other end of the self-locking push rod is matched with the contact 522 of the connecting piece 52 of the trigger bolt 51. Fig. 21 is a schematic structural diagram of the self-locking push rod 66, which is provided with a torsion spring bayonet 661, a push rod limiting end surface 662, a contact end surface 663, a front end 664, an unlocking paddle contact end surface 665 and a switch contact surface 666. Fig. 22 is a structural view of the self-locking guide block 68 in the reset seat 67, and the clamping position 681, the contact end face 682 of the contact groove 652 of the self-locking contact block 65 and the contact end face 683 of the contact face 663 of the front end 664 of the self-locking push rod 66 are butted together.

It should be noted that, as shown in fig. 2, the automatic control mechanism of the fully automatic lock body is composed of a latch bolt self-locking assembly 6, a motor assembly 7, a square bolt assembly 4, a trigger bolt assembly 5, a lock case 2, a lock head assembly 3, safety bolt assemblies 25, 26 and a handle knob toggle wheel 28, wherein the lock head 31 is locked by a long rod screw 32 corresponding to the lock head hole 211 of the lock case 21, and a notch 311 of the lock head 31 is provided with a cam 312 corresponding to a socket 445 of the square bolt toggle piece 44.

When the door is closed, the oblique tongue firstly touches the buckle plate of the door frame, the oblique tongue is pushed into the lock body under the pressure of the buckle plate, the trigger tongue also touches the buckle plate in the pushing process, so that the trigger tongue component is pushed into the lock body, the tail part of the trigger tongue component and the tail part of the oblique tongue self-locking component are respectively provided with a control switch, the switch is switched on after the trigger tongue component is pushed into the lock body in place, the control switch arranged at the tail part of the oblique tongue self-locking component is switched on after the oblique tongue head is popped out in place, the oblique tongue head of the lock component is popped into the hole of the buckle plate in place after the door is closed, the trigger tongue touches the buckle plate to be pushed into place into the lock body, at the moment, the two switches are switched on (the two switches are arranged in series), a door closing signal is sent to the door lock main board, the main board controls the motor in the lock body to rotate, and drives the gear transmission component to push the square tongue out of the lock body in place, thereby achieving the square tongue door locking function, the inclined tongue contact lock shifting piece contact surface arranged on the trigger tongue component is separated from the contact end surface of the trigger tongue driving piece arranged on the inclined tongue unlocking shifting piece, after the inclined tongue head is popped out in place, the inclined tongue self-locking component is in a self-locking state, and the inclined tongue head cannot be overturned, so that the kinetic energy of the inclined tongue door locking is achieved. At the moment, a switch contact of the trigger tongue component and a contact end face switch on the latch bolt unlocking shifting piece are in a connection state and send a signal for locking when the door is closed, when a circuit main board of the door lock is connected, the motor rotates and presses the latch bolt component to drive the latch bolt component to be pushed out of the lock shell, and the latch bolt is popped out of the lock shell and pushed into a buckling hole of a door frame to achieve the function of locking the door. When the door is opened, the trigger tongue is popped out of the lock shell to be in place, so that the contact end face of the latch bolt unlocking shifting piece is pressed on the contact surface of the self-locking push rod, and the latch bolt resetting seat moves outwards to be in place. The front end of the self-locking push rod is separated from the contact end face of the self-locking guide block, the oblique tongue reset seat is under the overturning thrust of the oblique tongue, the self-locking guide block is separated from the contact groove of the self-locking contact block, and the oblique tongue head is overturned to achieve the unlocking function.

When the door is opened, the main board can send a door opening signal, the motor can drive the gear switching piece to drive the gear driving piece when rotating, the gear driving piece can be meshed with the square bolt shifting piece to push the square bolt to be pushed to the inside of the lock shell to be in place, and when the gear switching piece rotates, the contact angle of the gear switching piece can touch the contact end surface of the oblique bolt unlocking shifting piece, the oblique bolt assembly is unlocked, and the kinetic energy of opening the door is achieved. When the knob toggle wheel of the door inner handle rotates, the knob toggle wheel can touch the contact end surface of the square tongue toggle piece to push the square tongue to be in place in the lock shell, and simultaneously, the contact end surface of the self-locking push rod of the oblique tongue component moves to be in place outside the oblique tongue reset seat, so that the oblique tongue component is unlocked, and the function of manually unlocking the door inner handle is achieved.

While the present invention has been particularly shown and described with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention encompassed by the appended claims.

Claims (6)

1. An automatic control mechanism of a full-automatic lock body comprises an inclined tongue self-locking assembly, a motor assembly, a trigger tongue assembly, a square tongue assembly, a lock head assembly and a safety tongue assembly which are arranged in a lock shell of the full-automatic lock body, and is characterized in that the motor drives a square tongue and an inclined tongue unlocking shifting piece to enable the inclined tongue unlocking shifting piece to be combined with a trigger tongue switch contact to form the automatic control mechanism of the full-automatic lock body;

the oblique tongue self-locking assembly comprises an oblique tongue, an oblique tongue shell, an unlocking shifting piece, a reset pressure spring, a self-locking push rod, a reset seat and a self-locking guide block, and is characterized in that a self-locking contact block is arranged in the oblique tongue shell and corresponds to the reset seat, the reset seat is fixed in a guide groove at the bottom of the oblique tongue box, the self-locking push rod extending out of the reset seat is positioned in the guide groove of the oblique tongue shell, the reset pressure spring is arranged at a fixed position arranged at each side of the self-locking push rod, after the unlocking shifting piece is arranged at a position where the oblique tongue box is combined with the tail of the self-locking push rod, a cover plate is buckled for screw fixation, and finally, the oblique tongue head is arranged at an insertion opening of the oblique tongue shell to form the oblique tongue assembly;

the motor component comprises a motor, a motor shaft gear, a switching gear, a gear switching piece and a switch, and is characterized in that the motor shaft gear is meshed with the switching gear, and the switching gear is meshed with the internal teeth of the gear switching piece to drive the square tongue poking piece to rotate, so that the square tongue is pushed into the lock shell in place;

the trigger tongue component comprises a trigger tongue, a connecting piece and a reset pressure spring, and is characterized in that the trigger tongue is correspondingly arranged in a trigger tongue hole of a side plate strip of the lock shell, the connecting piece is sleeved with the reset pressure spring, and a tail switch contact of the connecting piece is inserted into a lug clamping groove of the lock box for fixing, and the contact of the connecting piece is matched with the contact end surface of the unlocking shifting piece;

the square tongue component comprises a square tongue, a key transmission piece, a gear driving piece and a square tongue stirring piece, and is characterized in that the key transmission piece and a torsion spring are arranged at the guide groove of the square tongue stirring piece, the gear driving piece and the square tongue stirring piece are superposed under the guide column of the square tongue vertical guide groove, and the teeth of the gear driving piece are meshed with the external teeth of the gear switching piece of the motor component.

2. The automatic control mechanism of a full-automatic lock body according to claim 1, characterized in that the unlocking pick of the latch bolt assembly is provided with a fixing hole, a push rod, a contact end face of a trigger bolt driving piece and a contact end face of a knob pick; the self-locking push rod is provided with a reset torsion spring bayonet, a push rod limiting end face, a contact end face, a front end, a shifting piece contact end face and a switch contact face.

3. The automatic control mechanism of a full-automatic lock body as claimed in claim 2, wherein the latch bolt head of said latch bolt assembly has a first latch bolt and a second latch bolt, each having a rotation hole, a detent and a contact surface; wherein: the contact surface of the first latch bolt is clamped on the contact surface of the latch bolt shell when the latch bolt is unlocked and reset; and the contact surface of the second oblique tongue returns to the sliding groove on the bottom surface of the oblique tongue shell after resetting.

4. The automatic control mechanism of a full-automatic lock according to claim 1, wherein the reset seat of the latch bolt assembly is disposed at the self-locking contact block of the latch bolt housing, the self-locking guide block of the reset seat corresponds to the contact groove of the self-locking contact block, and the contact end surface of the front end of the self-locking push rod is engaged with the contact end surface of the self-locking guide block, the limit end surface of the self-locking push rod is clamped on the limit stop surface of the base box, and then one end of the reset torsion spring is inserted into the bayonet, and the other end of the reset torsion spring is hung on the hanging nail of the reset box and falls on the guide groove, and then the upper cover plate is fastened and locked by screwing to form the reset seat.

5. The self-actuating mechanism of a fully automatic lock as claimed in claim 1, wherein the gear adapter plate of the motor assembly is provided with a rotation hole, a directional hole and a feeler, and further provided with internal and external teeth for engaging the teeth of the motor adapter gear and the blade driving plate, so that when the motor rotates, the blade driving plate of the adapter gear driving the gear adapter plate pushes the blade into position inside the lock case.

6. The self-actuating mechanism of a fully automatic lock as claimed in claim 1, wherein the gear driving plate of the dead bolt assembly is provided with a rotation hole, a movable slot, and teeth; the square tongue stirring sheet is provided with a square tongue guide post, a rotating hole, a torsion spring fixing post hole, a riveting post fixing hole, a guide post hole, a cam socket, a torsion spring fixing post, a driving post and a contact end face.

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