CN113482448B

CN113482448B - Actuating mechanism with self-ejection back-locking structure lock body

Info

Publication number: CN113482448B
Application number: CN202110842236.XA
Authority: CN
Inventors: 江锐; 江东华
Original assignee: Shenzhen Zhongde Intelligent Lock Co ltd
Current assignee: Shenzhen Zhongde Intelligent Lock Co ltd
Priority date: 2021-07-17
Filing date: 2021-07-17
Publication date: 2023-12-26
Anticipated expiration: 2041-07-17
Also published as: CN113482448A

Abstract

The invention relates to an actuating mechanism with a self-ejection back-locking structure lock body, which is characterized by comprising a lock body, wherein the self-ejection back-locking actuating mechanism is arranged in a base to stir a square tongue and an inclined tongue to push into a lock shell and then self-eject and reset; the self-ejection anti-lock executing mechanism comprises a self-ejection assembly, a poking sleeve assembly and a square tongue poking block, and is characterized in that the self-ejection assembly is contacted with the square tongue assembly after being provided with a starting piece, a buckle switch, a reset block and a self-ejection torsion spring, then the poking sleeve assembly is arranged at the starting piece of the self-ejection assembly, a poking rod at one end of a poking piece in the poking sleeve assembly is correspondingly inserted between a blocking piece and a blocking piece of the inclined tongue assembly, and a push rod at the other end of the poking piece is correspondingly contacted at the protruding block of the square tongue poking block to form the self-ejection anti-lock executing mechanism; the self-elastic executing mechanism is further provided with an anti-inserting piece between the square tongue assembly and the inclined tongue assembly, the end face of the anti-inserting piece is pushed to the bottom of the inclined tongue to achieve the purpose of preventing inserting when the square tongue is ejected, and the anti-inserting piece is pushed to be separated from the bottom of the inclined tongue to achieve the purpose of preventing inserting when the square tongue is pushed into the lock shell. The invention has simple and practical structure, the lock body is opened without back locking and ejecting, no sound of striking the lock shell is generated, and the lock body is provided with the anti-inserting self-locking lock body.

Description

Actuating mechanism with self-ejection back-locking structure lock body

Technical Field

The invention relates to the field of door locks, in particular to an actuating mechanism with a self-ejection back-locking structure lock body.

Background

In the key areas of commercial and civil fields, an electronic lock for locking a door is often adopted by automatically ejecting a square tongue, so that the phenomenon that the door is forgotten to be locked after the door is closed is avoided. The lock body is one of the lock components. The lock body has many kinds, and common lock body includes one-way lock body, three-way lock body and four-way lock body, and the lock body is responsible for opening the function of door and window or locking. The lock body is generally used on the anti-theft door, and the operation of the lock body is controlled through the lock core to be responsible for basic anti-theft operation of the anti-theft door.

In the existing lockset industry, a back-locking self-locking lock body is a device for adding a back-locking self-locking structure, a stand column of a self-locking hook piece and a pressure spring for ejecting the square tongue component are arranged on the square tongue component, the self-locking hook piece is separated from the locking stand column of the square tongue component after a door is closed, the self-locking spring ejects the square tongue component, a handle is rotated to drive a poking sleeve poking piece to push the square tongue component of the lock body into the lock body when the door is opened, the hook piece of the self-locking component hooks a locking vertical shaft on the square tongue component when the square tongue tail piece presses the self-locking spring in place, the self-locking spring is in a compressed state, and the self-locking spring rebounds to enable the square tongue component to be ejected in place when the hook piece of the self-locking component is separated from the locking vertical shaft of the square tongue component after the door is closed. The self-elastic back-locking structure device enables the self-elastic spring to make the square tongue component in place at one time when the square tongue component is ejected, so that the square tongue component and the lock body can generate small collision and loud sound. When the door is opened, the door lock handle is rotated to drive the shifting sleeve shifting piece to rotate the square tongue assembly of the lock body to push into the lock body, and the hook piece on the square tongue assembly can hook the clamping upright post on the square tongue assembly when the square tongue assembly is pushed to the bottom, so that the self-elastic spring is clamped and does not rebound. When the door is closed, the door buckle plate and the lock body have a gap, and the hidden trouble that the handle square tongue component pops out of the lock body after the door is opened is frequently caused by that the door lock handle is not pressed to the bottom after the door is opened, and the hook piece does not have a hook post clamping upright post at the moment.

For example, patent number 201821126788.0, entitled "self-locking body", discloses a self-locking body, in which a square tongue assembly is opened by a square tongue deflector rod in a deflector rod assembly through a linkage assembly, and when the square tongue deflector rod drives a switch plate to slide upwards, the square tongue assembly can retract; when the square tongue deflector rod drives the switch plate to slide downwards, the square tongue assembly can be driven to extend. As another example, patent No. 201922258042.6, entitled "self-strike lock body, electronic lock and door comprising the same", discloses a latch assembly, a strike assembly and a thumb wheel assembly, the self-strike blade striking the strike in place. 201910642336.0 by the name of a rear triggering device of a self-locking lock body and the self-locking lock body, the first lock tongue component, the second lock tongue component and a locking starting piece are arranged in the lock body, so that the locking starting piece triggers the second lock tongue component to pop out of the lock box after the first lock tongue component completely enters the lock box. The patent number 201920247495.6, named as a self-flicking door lock gear trigger mechanism, also pushes the square tongue component in place at one time, so that collision noise between the square tongue component and the lock body is increased, hidden danger that the handle is not pressed to the bottom after the door is opened and the square tongue component pops out is increased, and the problem that a door lock defect cannot solve a user is solved.

Based on the technical defects, a self-locking body with reverse locking and self-locking functions and anti-insertion functions needs to be innovatively researched.

Disclosure of Invention

The invention aims to provide an actuating mechanism with a self-ejection back-locking structure lock body, wherein a square tongue does not eject noise generated by impacting a lock shell at one time when a door is closed, and the actuating mechanism also has an anti-insertion self-ejection function.

An execution mechanism with a self-ejection back-locking structure lock body is implemented, and is characterized by comprising a lock body which is arranged in a base and is self-ejected to reset after a square tongue and an oblique tongue are pushed into a lock shell by the self-ejection back-locking execution mechanism;

the self-ejection anti-lock executing mechanism comprises a self-ejection assembly, a poking sleeve assembly and a square tongue poking block, and is characterized in that the self-ejection assembly is contacted with the square tongue assembly after being provided with a starting piece, a buckle switch, a reset block and a self-ejection torsion spring, then the poking sleeve assembly is arranged at the starting piece of the self-ejection assembly, a poking rod at one end of a poking piece in the poking sleeve assembly is correspondingly inserted between a blocking piece and a blocking piece of the inclined tongue assembly, and a push rod at the other end of the poking piece is correspondingly contacted at the protruding block of the square tongue poking block to form the self-ejection anti-lock executing mechanism;

the self-elastic executing mechanism is further provided with an anti-inserting piece between the square tongue assembly and the inclined tongue assembly, the end face of the anti-inserting piece is pushed to the bottom of the inclined tongue to achieve the purpose of preventing inserting when the square tongue is ejected, and the anti-inserting piece is pushed to be separated from the bottom of the inclined tongue to achieve the purpose of preventing inserting when the square tongue is pushed into the lock shell.

The self-elastic assembly correspondingly sleeves the hole at the bending part of the buckle switch on the fixed column of the base, then sleeves the reset torsion spring on the fixed column, and the reset torsion spring is clamped at the side wall of the base; after the starting piece corresponds to the groove and the hole of the buckle switch, the reset torsion spring is sleeved on the base and locked by the fixing column, the hook piece at one end of the starting piece corresponds to the stop block of the oblique tongue component, and the contact point at the other end of the starting piece is arranged at the lug of the poking piece; the reset block is arranged on the base, and the contact surface of the reset block is matched with the fixed column of the slide rail groove of the square tongue component; the fixed column of base is located to the self-elastic torsional spring, and wherein short one end card is in base lateral wall department, and long one end 3 keeps off in the fender face of piece that resets.

The contact point of the self-elastic assembly buckle switch is inserted into the groove of the reset block and is used for poking the square tongue tail plate to push the lock shell, so that the square tongue enters the lock shell.

The starting piece of the self-elastic component is provided with a fixed column hole, a torsion spring reset groove, a hook piece inserted into the stop block of the oblique tongue component and a contact point with an arc shape; the buckle switch is provided with a fixed column hole, a torsion spring reset groove, a stop block and a contact point; the reset block is provided with a fixed column hole, a contact surface, a blocking surface and a groove.

The reset block of the self-ejection assembly is provided with a groove which is inserted at the contact point of the buckle switch, the blocking surface arranged on the reset block is anastomotic and clamped at the fixed column of the poking piece, and the contact surface of the reset block is anastomotic with the fixed column below the tongue tail plate, so that the blocking surface of the reset block is compressed to the side wall of the base with the self-ejection torsion spring when the reset block pushes the tongue to enter the lock shell.

The poking sleeve assembly of the self-elastic back-locking execution mechanism comprises a small goat's horn, a poking piece and a large goat's horn, wherein the small goat's horn is provided with a square shaft hole, a poking starting convex position and a step; the poking piece is provided with a poking rod and a pushing block, and is sleeved with a square hole, a movable groove and a fixed column hole which are meshed with the upper end of the small goat's horn; the big horn is provided with a clutch plate clamping groove, a square hole, a lug boss of the fastening plectrum and a lug boss of the fastening cover plate.

The anti-plugging sheet is provided with a moving groove, a guide groove and an end face.

The square tongue shifting block is arranged on the square tongue tail plate, after the sliding rail groove of the square tongue tail plate is correspondingly sleeved on the base fixing column, the guiding column of the square tongue shifting block is correspondingly inserted into the square tongue tail plate guiding groove, then the hole of the square tongue shifting block is correspondingly arranged on the fixing column of the tail plate sliding rail groove, one end of the torsion spring is arranged on the fixing column of the square tongue shifting block, and the other end of the torsion spring is hung on the base fixing column to form the purposes of pushing the lock shell and ejecting and resetting the square tongue.

After the self-elastic back-locking actuating mechanism is used for closing a door mechanically, the self-elastic assembly is driven by the poking sleeve assembly arranged in the lock shell base to drive the inclined tongue assembly and the square tongue assembly to move, so that the square tongue assembly can automatically spring when the square tongue assembly advances for half of the time into the lock shell, the square tongue assembly guide groove drives the square tongue poking block guide post to move, the torsion direction of the square tongue poking block torsion spring is offset, the square tongue assembly is poked by the square tongue poking block guide post to advance into place into the lock shell, and after the self-elastic starting hook piece breaks away from a contact point, the reset torsion spring of the starting hook piece resets, so that the self-elastic function is achieved, and the hidden danger that the square tongue assembly pops out after the door is avoided.

Advantageous effects

The actuating mechanism with the self-locking structure lock body has simpler and more practical structure, the lock body is opened without locking and ejecting, the sound of striking the lock shell is avoided, and the self-locking lock body with the anti-insertion function is provided.

Drawings

FIG. 1 is a schematic plan view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of the driving structure of the lock body with the self-ejecting reverse locking structure according to the present invention;

FIG. 4 is a schematic view of a tongue linkage of the tongue assembly of the present invention;

FIG. 5 is a schematic illustration of a toggle structure of a latch assembly of the present invention;

FIG. 6 is a schematic view of a self-ejecting assembly according to the present invention;

FIG. 7 is a schematic view of an anti-tab construction according to the present invention;

FIG. 8 is a schematic view of a tongue assembly of the present invention;

FIG. 9 is a schematic diagram of a tongue pulling block according to the present invention;

FIG. 10 is a schematic view of the structure of the lock cylinder rotating cam and the square tongue pulling block of the present invention;

FIG. 11 is a schematic view of an embodiment of a safety assembly according to the present invention.

Detailed Description

The technical scheme of the invention will be clearly and completely described below with reference to the accompanying drawings of the specification. All other embodiments in the present invention, which are obtained by those skilled in the art without making any inventive effort, fall within the scope of the present invention.

As shown in fig. 1 and 3, an actuating mechanism with a lock body with a self-ejection back-locking structure is implemented, which comprises a lock body 1, wherein the self-ejection back-locking actuating mechanism is arranged in a base 21 to stir a square tongue 61 and a bevel tongue 51 to push into a lock shell 2 and then self-eject and reset; the self-ejection reverse locking executing mechanism comprises a self-ejection assembly 3, a poking sleeve assembly 4 and a square tongue poking block 65, wherein the self-ejection assembly 3 is contacted with the square tongue assembly 6 after being provided with a starting sheet 31, a buckle switch 32, a reset block 33 and a self-ejection torsion spring 34, then the poking sleeve assembly 4 is arranged at the starting sheet 31 of the self-ejection assembly 3, a poking rod 421 at one end of a poking sheet 42 in the poking sleeve assembly 4 is correspondingly inserted between a blocking sheet 514 and a blocking block 515 of an inclined tongue assembly 5, and a push rod 424 at the other end of the poking sheet 42 is correspondingly contacted with a convex block 655 of the square tongue poking block 65 to form the self-ejection reverse locking executing mechanism; the self-ejection actuating mechanism is also provided with an anti-insertion piece 53 between the square tongue component 6 and the inclined tongue component 5, when the square tongue 61 is ejected, the end surface 534 of the anti-insertion piece 53 is pushed to the bottom of the inclined tongue 511 to achieve the anti-insertion effect, and when the square tongue 61 is pushed into the lock shell 2, the anti-insertion piece 53 is pushed to be separated from the bottom of the inclined tongue 511 to achieve the anti-insertion effect.

The self-ejecting assembly 3 correspondingly sleeves the hole 324 at the bending position of the buckle switch 32 on the fixed column 327 of the base 21, then sleeves the reset torsion spring 325 thereon, and the reset torsion spring 325 is clamped at the side wall 25 of the base 21; after the middle groove 312 and the hole 311 of the starting sheet 31 correspond to the groove 322 and the hole 321 of the buckle switch 32, the resetting torsion spring 325 is sleeved and locked on the base 2 by the fixing column 316, the hook piece 313 at one end of the starting sheet 31 corresponds to the stop block 515 of the inclined tongue component 5, and the contact point 314 at the other end is arranged at the lug 426 of the poking sheet 42; the reset block 33 is arranged on the base 2, and the contact surface 334 of the reset block 33 is matched with the fixed column 216 of the slide rail groove 622 of the square tongue component 6; the self-elastic torsion spring 34 is arranged on the fixed column 327 of the base 2, wherein the short end 342 is clamped at the side wall of the base 21, and the long end 343 is clamped at the blocking surface 333 of the reset block 33. The contact point 326 of the self-ejecting assembly snap-in switch is inserted into the slot 335 of the reset block for pushing the tab tail 62 toward the lock housing 2 to allow the tab 61 to enter the lock housing 2.

The starting sheet 31 of the self-elastic component 3 is provided with a fixed column hole 311, a torsion spring reset groove 312, a hook 313 inserted into the stop block 515 of the inclined tongue component 5 and a contact point 314 with an arc shape; the buckle switch 32 is provided with a fixed column hole 321, a torsion spring reset groove 322, a stop 323 and a contact point 326; the reset block 33 is provided with a fixed column hole 331, a contact surface 332, a blocking surface 333 and a groove 335. The reset block 33 of the self-ejecting assembly 3 is provided with a groove 335 inserted at the contact point 326 of the buckle switch 32, the blocking surface 333 of the reset block 33 is engaged and clamped at the fixed column 427 of the pulling piece 42, the contact surface 334 of the reset block 33 is engaged with the fixed column 628 below the tongue tail plate 62, so that when the reset block 33 pushes the tongue 61 into the lock case 2, the blocking surface 333 and the self-ejecting torsion spring 34 are compressed to the side wall 25 of the base 21. The poking sleeve assembly 4 of the self-ejection anti-lock execution mechanism comprises a small goat's horn 41, a poking piece 42 and a large goat's horn 43, wherein the small goat's horn 41 is provided with a square shaft hole 411, a poking convex position 412 and a step 413; the poking piece 42 is provided with a poking rod 421 and a pushing block 424, and is sleeved with a square hole 422, a movable groove 423 and a fixed column hole 425 which are meshed with the upper end of the small goat's horn 41; the big horn 43 is provided with a clutch plate clamping groove 431, a square hole 432, a boss 434 for fastening the poking plate and a boss for fastening the cover plate. The anti-sticking piece is provided with moving grooves 531, 533, a guide groove 532 and an end surface 534.

The square tongue poking block 65 is arranged on the square tongue tail plate 62, after the slide rail groove 622 of the square tongue tail plate 62 is correspondingly sleeved on the fixed column 216 of the base 21, the guide column 651 of the square tongue poking block 65 is correspondingly inserted into the guide groove 621 of the square tongue tail plate 62, then the hole 654 of the square tongue poking block 65 is correspondingly arranged on the fixed column 216 of the slide rail groove 621 of the tail plate 62, one end of the torsion spring 656 is arranged on the fixed column 653 of the square tongue poking block 65, and the other end is hung on the fixed column 215 of the base 21 to form the purpose of pushing the lock shell 2 by the square tongue 61 and ejecting and resetting.

After the self-elastic back-locking actuating mechanism is mechanically closed, the poking sleeve component 4 arranged in the base 21 of the lock shell 2 drives the self-elastic component 3 to drive the inclined tongue component 5 and the square tongue component 6 to move, so that the square tongue component 6 can automatically spring when pushing half of the square tongue component into the lock shell 2, the square tongue component 6 guide groove 621 drives the square tongue poking block 65 guide post 651 to move, the torsion direction of the square tongue poking block 65 torsion spring 656 is offset, the square tongue component 6 is pushed into place by the square tongue poking block guide post 651 into the lock shell 2, and when the self-elastic starting hook piece 313 is separated from the contact point 314, the reset torsion spring 315 of the starting hook piece 313 is reset, so that the self-elastic function is achieved, and the hidden danger that the square tongue component pops up after the door is avoided.

Fig. 3 to 11 show the transmission structure of the lock body actuator of the self-locking type, while fig. 8 shows the front and bottom surfaces of the tongue tail, the left side is the front surface, and the right side is the bottom surface. Firstly, inserting a corresponding side lath 22 hole 222 of a safety block 81 into a hole 222 of a base 21 of a lock shell 2, arranging a movable groove 812 of the safety block into a fixed column 211 of the base 21, fastening a step arranged on a poking wheel 82 into the hole 210 of the base 21, arranging a cam 813 of the poking wheel 82 into a cam hole 813 of the safety block 81 correspondingly, and arranging a reset spring 83 between the safety block 81 and the poking wheel 82; then, the lock cylinder 71 is corresponding to the hole 213 of the base 21, and the screw rod 72 is correspondingly inserted from the screw hole 221 of the side plate bar (a plurality of screw holes of the side plate bar are all indicated by 221) 22 and then is locked by screwing with the screw hole 714 of the lock cylinder 71; next, a lock cylinder transmission sheet 64 is arranged on the surface of the base 21 of the tail plate 62 of the square tongue 61, a guide groove 642 of the lock cylinder transmission sheet 64 corresponds to a guide groove 621 of the tail plate 62, a blocking sheet 643 is locked at a hole 624 of the tail plate 62, then each positioning groove 641 is riveted by a fixed column, a reset tension spring 63 is hung at a hanging spring hole 644 of the left lock cylinder transmission sheet 64, and the other end is hung at a fixed column 627 of the tail plate 62; the side tongue washer 66 is sleeved into the fixing post 216 of the base 21, then the anti-inserting piece 53 is placed on the rivet 217 of the base 21 to be locked, the side tongue assembly 6 is inserted into the side tongue hole 223 corresponding to the side lath 22, the slide rail groove 622 of the tail plate 62 is placed on the fixing post 216 of the base 21, the upright post 623 of the side tongue tail plate 62 is correspondingly inserted into the guide groove 532 of the anti-inserting piece 53 and the slide rail groove 218 of the base 21, so that the anti-inserting piece 53 pushes rightwards when the side tongue assembly 6 and the inclined tongue assembly 5 are automatically reset to eject the lock case 2, the end surface 534 of the anti-inserting piece 53 abuts against the bottom of the inclined tongue 511 to achieve the anti-inserting, and when the side tongue 61 is pushed into the lock case 2, the anti-inserting piece 53 is pushed to be separated from the bottom of the inclined tongue 511 to achieve the anti-inserting purpose. Next, the starting piece 31, the buckle switch 32 and the reset block 33 of the self-elastic assembly 3 are sequentially arranged on the base 21, the contact surface 334 of the reset block 33 is close to the square tongue gasket 66, the sleeve 341 of the self-elastic torsion spring 34 is sleeved corresponding to the fixing column 214 of the base 21, the long end 342 of the self-elastic torsion spring 34 is blocked on the blocking surface 333 of the reset block 33, and the short end 343 is blocked on the side wall 25 of the base 21. Finally, the inclined tongue 511 of the inclined tongue assembly 5 is inserted into the inclined tongue hole 224 of the corresponding side slat 22, the reset pressure spring 513 sleeved by the inclined tongue rod 512 is clamped at the baffle 514 of the base 21, then the small claw 41 of the shifting sleeve assembly 4 is pressed down to be fixed corresponding to the hole 219 of the base 21, the convex position 412 of the shifting piece 42 corresponding to the hole 411 of the small claw 41 is pressed down to be clamped, the shifting rod 421 of the shifting piece 42 is inserted into the space between the baffle 514 of the inclined tongue rod and the baffle 515, the push rod 424 of the shifting piece 42 is abutted to the bump 655 of the square tongue shifting block 65, the clutch plate 521 is inserted into the clamping groove 522 of the base 21 after the motor clutch is arranged in the fixing hole 523 of the base 21, the clutch clamping groove 522 is fixed to the clamping groove 522 of the big claw 43, and the cover plate 23 is locked corresponding to the lock core hole 232, the big claw hole 233 and the clutch plate clamping groove 234, and then the screw hole 231 is locked by the screw 24 to form the self-locking structure lock body.

Further, embodiment fig. 3 is a lock with self-locking structure according to the present invention, including the self-locking assembly 3, the latch assembly 5, the latch assembly 6, the latch shifting block assembly 64, the dial sleeve assembly 4, and the latch anti-insertion assembly 53, after the latch assembly 5 is pushed into place in the lock case 2 by the latch assembly 5 after the door is closed, the return pressing spring 513 of the latch rod 512 ejects the latch assembly 5, during the process of ejecting the latch assembly 5, the stopper 515 on the latch rod 512 drives the hook 313 of the self-locking tab 31 to move, at this time, the push rod 421 of the pulling piece 42 pushes the latch stopper 515 to drive to move into the lock case, and the push rod 425 at the other end of the pulling piece 42 pushes the push rod 425 to push the latch shifting block 65 to push the protrusion 655 to drive the latch guiding post 651 to move from the end B to the end a end of the latch tail plate 62, so that the latch assembly 6 is pushed into the lock case 2, and the contact surface 332 of the self-locking assembly 3 is moved at the contact surface 427 of the latch piece 33, and the contact surface 334 is pushed into the side wall of the lock case 21 and the latch base 511 again when the latch assembly 33 is fully compressed from the side wall 21 to the side wall of the latch plate 21.

According to the anti-plugging sheet 53 shown in fig. 3, the anti-plugging sheet 53 is provided with two moving grooves 531, 533, a guide groove 532 is provided in the middle, an end surface 534 is provided at one end, the moving groove and the guide groove of the anti-plugging sheet 53 are correspondingly provided on the base 21 to be fixed by rivets when being installed, and the upright post 623 of the middle guide groove 532 corresponding to the square tongue assembly 6 is fixed on the slide rail groove 218 of the base 21. The self-ejecting assembly 3 is closely adjacent to the poking sleeve assembly 4, the two mechanisms are important parts of the innovative structure of the invention, the self-ejecting assembly 3 correspondingly sleeves the hole 324 at the bending part of the buckle switch 32 on the fixed column 327 of the base 21, then sleeves the reset torsion spring 325 thereon, and the reset torsion spring 325 is clamped at the side wall 25 of the base 21; after the middle groove 312 and the hole 311 of the starting sheet 31 correspond to the groove 322 and the hole 321 of the buckle switch 32, the resetting torsion spring 325 is sleeved and locked on the base 2 by the fixing column 316, the hook piece 313 at one end of the starting sheet 31 corresponds to the stop block 515 of the inclined tongue component 5, and the contact point 314 at the other end is arranged at the lug 426 of the poking sheet 42; the reset block 33 is arranged at the fixed column 316 of the base 2, and the contact surface 334 of the reset block 33 is matched with the fixed column 216 of the slide rail groove 622 of the square tongue component 6; the self-elastic torsion spring 34 is arranged on the fixed column 327 of the base 2, wherein the short end 342 is clamped at the side wall of the base 21, and the long end 343 is clamped at the blocking surface 333 of the reset block 33. The contact point 326 of the self-ejecting assembly snap-in switch is inserted into the slot 335 of the reset block for pushing the tab tail 62 toward the lock housing 2 to allow the tab 61 to enter the lock housing 2. The shifting sleeve assembly 4 comprises a small horn 41, a shifting piece 42 and a large horn 43, wherein the small horn 41 is provided with a square shaft hole 411, a shifting convex position 412 and a step 413, the shifting convex plate 412 of the small horn 41 is meshed with a movable groove 423 arranged in the hole 411 of the shifting piece 42, the shifting convex plate 412 and the movable groove 423 are not mutually influenced in shifting after being overlapped, and the step 413 arranged on the small horn 41 is used for being clamped and fixed in the hole 219 of the base 21.

The poking piece 42 is provided with a poking rod 421, a pushing block 424, a square hole 422 sleeved on the upper end of the small claw 41 and meshed with the square hole 422, a movable groove 423 and a fixed column hole 425, and the accessory belongs to an important multifunctional part which pokes a square tongue and a bevel tongue to open a door through a motor clutch when the part is electrified; when no electricity is used, the handle square shaft is mechanically unlocked, the handle square shaft is inserted into the poking sleeve component Kong Xiangyou to rotate, the poking piece 42 of the poking sleeve 4 can poke the stop block 515 of the inclined tongue component 5 to push the lock shell to push the inclined tongue component to move, meanwhile, the fixing post 427 of the poking piece contacts the contact surface 332 of the reset block 33 to move, the convex block 655 of the square tongue poking block 65 is pushed to drive the guide post of the square tongue poking block 65 to slide the guide post of the square tongue tail plate 62 from the end B to the end A, meanwhile, under the pushing of the contact surface 334 of the moving reset block 33 by the fixing post 628 of the square tongue tail plate 62, the blocking surface 333 of the driving reset block 33 and the self-ejecting torsion spring 34 are compressed to the side wall 25 of the lock shell 21, so that the square tongue 61 and the inclined tongue 511 enter the lock shell 2 to open the door, when the handle stops rotating, the contact point 326 of the buckle switch 32 of the self-ejecting component resets from the groove 335 of the reset block 33 to the initial state, and the fixing post 427 of the poking piece 42 resets from the contact surface 332 of the reset block 33 to the initial state; therefore, the square tongue and the inclined tongue are reset and locked in place by self-spring, and the aim of closing the door is achieved.

The big horn 43 is provided with a clamping groove 431, a square hole 432, a convex position 433, a boss 434 and a step 435, wherein the clamping groove 431 of the big horn 43 is used for clamping the engaging piece 521, the square hole 432 is sleeved with a handle, the convex position 433 corresponds to the hole 233 of the cover plate 23, the boss 434 corresponds to the movable groove 423 of the plectrum 42, the boss 434 does not affect each other during rotation, and the step 435 is a hole 422 for fastening the plectrum 42.

Further, the sleeve assembly 4 is pressed to be fixed corresponding to the hole 219 of the base 21, the boss 412 of the shifting piece 42 corresponding to the hole 411 of the small claw 41 is pressed to be clamped, wherein the shifting lever 421 of the shifting piece 42 is inserted into the space between the baffle 514 and the baffle 515 of the latch bolt, the push rod 424 of the shifting piece 42 is adjacent to the bump 655 of the latch bolt shifting block 65, the motor clutch is placed in the fixing hole 523 of the base 21, the clutch plate 521 is inserted into the clutch slot 522 corresponding to the clutch slot 522 and the clutch slot 431 of the large claw 43 and is fixed to the base slot 522, and the cover plate 23 is locked corresponding to the lock core hole 232, the large claw hole 233 and the clutch slot 234 by the screw 24 and then corresponding to the screw hole 231 to form the self-elastic reverse locking structure lock body.

When the door is opened, the handle sleeved on the square hole 432 of the big horn 43 of the lock shell 2 poking sleeve component 4 is held by hand to press downwards, the poking plate 42 poking rod 421 is bumped at the bump 655 of the square tongue poking block 65, and at the moment, the square tongue 61 is driven to retract from the square tongue hole 223 of the side strip 22 into the lock shell 2; meanwhile, the push rod 424 of the pulling piece 42 presses the baffle 514 of the latch bolt assembly 5 to push into the lock case 2 to be in place, the lower end of the fixing column 427 of the pulling piece 42 presses the contact surface 332 protruding from the reset block 33, the reset block 33 moves to the side wall 25 of the lock case 2, the latch bolt 511 and the square bolt 61 are pressed to be half retracted to the lock case 2, and the contact point 326 of the buckle switch 32 is clamped with the protruding contact surface 332 of the reset block 33 under the action of the reset torsion spring 315 of the starting piece 31.

When the door is closed, the inclined tongue 511 of the inclined tongue component 5 is pushed into the lock shell 2, when the inclined tongue is pushed, the hook 313 of the starting piece 31 is separated from the stop 515 groove of the inclined tongue rod 512 and then runs to the upper surface to hook the stop 515, the inclined tongue 511 ejects the inclined tongue hole 224 of the lock shell side lath 22, the stop 515 moves upwards, the hook 313 of the starting piece 31 drives the contact point 326 of the buckle switch 32 to leave the clamping position of the contact surface 332 of the reset block 33, the reset torsion spring 325 ejects the reset block 33, the reset block 33 drives the fixing column 628 of the tail plate 62 of the square tongue 61, the square tongue component 6 is driven to eject out of the lock shell 2, and the reset tension spring 65 ejects out, so that the aim of self-elastic back locking effect is achieved.

It should be noted that the motor clutch 52 has a power cord led out, and the embodiment will not be described in detail, and the invention is mainly used for controlling the door lock main board, and the setting of the claw 43 clamping groove 431 in the shifting sleeve and the corresponding sleeving of the clutch plate 521 by the motor clutch 52 clamping groove 521 is a common technical scheme.

In conjunction with fig. 1 to 6, further speaking, when the door is opened, the door lock handle rotates the pulling piece 421 in the pulling sleeve assembly 4 to rotate, so that the hook position of the hook piece 313 of the self-ejection starting piece 31 leaves the stop block 515 of the inclined tongue rod 512 to achieve the self-ejection knowing function, and the hidden trouble of ejecting the tongue assembly 6 after the door is opened is avoided. When the motor clutch assembly 52 is inserted to open the door, the main board of the door lock provides a power signal for unlocking the clutch motor, when the motor rotates, the clutch plate leaves the claw 43 clamping groove 431 of the shifting sleeve assembly 4, the clamping groove 522 of the base 21 of the lock shell 2 and the clutch plate clamping groove 234 arranged on the cover plate 23 drive the lug 655 of the square tongue shifting block 65 to push the stop block 515 of the square tongue assembly and the inclined tongue assembly 5 to enter the lock shell 2 to open the door lock under the rotation of the shifting plate 42. The main board supplies power to the clutch motor for reversing after the door is opened, and the motor reversing clutch plate is pushed into the claw 43 clutch plate groove 431 of the sleeve pulling assembly 4, so that the sleeve pulling assembly 4 cannot rotate. The motor rotation time and the door opening time are controlled by the door lock main board, the mechanical unlocking key rotates the lock cylinder, and the cam 714 of the lock cylinder 71 just touches the cam groove 652 of the mechanical lock cylinder 71 arranged on the square tongue shifting block 65 in the rotation process, so that the fixed column 653 on the square tongue shifting block 65 drives the square tongue assembly 6 to move into place in the lock shell, and at the moment, the key rotates for one circle. The lock cylinder 71 rotates the cam 714 to touch the transmission piece 64 of the mechanical lock opening inclined bolt assembly 5 on the square bolt assembly 6, so that the transmission piece 64 pushes the poking piece 42 push rod 424 of the poking sleeve assembly 4 to rotate and push the inclined bolt assembly 5 to push into place in the lock shell 2, and the mechanical lock opening function is achieved.

Of course, when the lock body is powered off, the inclined tongue can pop up after the mechanical key is adopted to open the door, and the sound of the door closing self-bouncing back-locking reset impacting the lock shell is small. The handle unlocking driving poking sleeve is provided with a poking piece self-flicking function to drive the square tongue component and the inclined tongue component to push the lock shell, and after the handle is stopped rotating, the square tongue and the inclined tongue which are self-flicking and back locking are reset to close the door.

While the invention has been described in detail with reference to the above 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 as defined by the appended claims.

Claims

1. An actuating mechanism with a self-ejection back-locking structure lock body is characterized by comprising a lock body which is arranged in a base and is self-ejected to reset after a square tongue and an oblique tongue are pushed into a lock shell by the self-ejection back-locking actuating mechanism;

the self-elastic assembly correspondingly sleeves the hole at the bending part of the buckle switch on the fixed column of the base, then sleeves the reset torsion spring on the fixed column, and the reset torsion spring is clamped at the side wall of the base; after the starting piece corresponds to the groove and the hole of the buckle switch, the reset torsion spring is sleeved on the base and locked by the fixing column, the hook piece at one end of the starting piece corresponds to the stop block of the oblique tongue component, and the contact point at the other end of the starting piece is arranged at the lug of the poking piece; the reset block is arranged on the base, and the contact surface of the reset block is matched with the fixed column of the slide rail groove of the square tongue component; the self-elastic torsion spring is arranged on a fixed column of the base, wherein one short end of the self-elastic torsion spring is clamped at the side wall of the base, and the other long end of the self-elastic torsion spring is blocked on a blocking surface of the reset block;

the contact point of the self-elastic assembly buckle switch is inserted into the groove of the reset block and is used for poking the square tongue tail plate to push the square tongue into the lock shell;

the starting piece of the self-elastic component is provided with a fixed column hole, a torsion spring reset groove, a hook piece inserted into the stop block of the oblique tongue component and a contact point with an arc shape; the buckle switch is provided with a fixed column hole, a torsion spring reset groove, a stop block and a contact point; the reset block is provided with a fixed column hole, a contact surface, a blocking surface and a groove;

the reset block of the self-ejection assembly is provided with a groove which is inserted at the contact point of the buckle switch, the blocking surface arranged on the reset block is anastomotic and clamped at the fixed column of the poking piece, the contact surface of the reset block is anastomotic with the fixed column below the square tongue tail plate, and when the reset block pushes the square tongue to enter the lock shell, the blocking surface of the reset block is compressed to the side wall of the base with the self-ejection torsion spring;

the self-elastic back-locking executing mechanism is characterized in that an anti-inserting piece is further arranged between the square tongue assembly and the inclined tongue assembly, the end face of the anti-inserting piece is pushed to the bottom of the inclined tongue to achieve the purpose of preventing inserting when the square tongue is ejected, and the anti-inserting piece is pushed to be separated from the bottom of the inclined tongue to achieve the purpose of preventing inserting when the square tongue is pushed into the lock shell.

2. The actuating mechanism with the self-ejection back-locking structure lock body as claimed in claim 1, wherein the poking sleeve component of the self-ejection back-locking actuating mechanism comprises a small goat's horn, a poking piece and a large goat's horn, wherein the small goat's horn is provided with a square shaft hole, a poking starting convex position and a step; the poking piece is provided with a poking rod and a pushing block, and is sleeved with a square hole, a movable groove and a fixed column hole which are meshed with the upper end of the small goat's horn; the big horn is provided with a clutch plate clamping groove, a square hole, a lug boss of the fastening plectrum and a lug boss of the fastening cover plate.

3. An actuator with a self-latching mechanism as in claim 1 wherein said tab is provided with a travel slot, a guide slot and an end surface.

4. The actuating mechanism with the self-elastic back-locking structure lock body according to claim 1, wherein the square tongue shifting block is arranged on the square tongue tail plate, after the sliding rail groove of the square tongue tail plate is correspondingly sleeved on the base fixing column, the guiding column of the square tongue shifting block is correspondingly inserted into the square tongue tail plate guiding groove, then the hole of the square tongue shifting block is correspondingly arranged on the fixing column of the tail plate sliding rail groove, one end of the torsion spring is arranged on the fixing column of the square tongue shifting block, and the other end of the torsion spring is hung on the base fixing column to form the purposes of pushing the lock shell by the square tongue and ejecting and resetting.

5. The actuating mechanism with the self-ejection back-locking structure lock body is characterized in that after the self-ejection back-locking actuating mechanism is mechanically closed, a poking sleeve component arranged in a lock shell base drives the self-ejection component to drive the inclined tongue component and the square tongue component to move, so that when the square tongue component advances into the lock shell for half, the square tongue component drives the square tongue poking block guide post to move, and the torsion direction of a square tongue poking block torsion spring is offset, the square tongue poking block guide post pokes the square tongue component to advance into the lock shell, and when a self-ejection starting hook piece breaks away from a contact point, a reset torsion spring of the starting hook piece resets, a self-ejection function is achieved, and the hidden trouble that the square tongue component pops out after the door is opened is avoided.