CN112900985B

CN112900985B - Lock body structure of self-ejection and anti-mortise lock body

Info

Publication number: CN112900985B
Application number: CN202110157636.7A
Authority: CN
Inventors: 江东华; 江锐
Original assignee: Shenzhen Zhongde Intelligent Lock Co ltd
Current assignee: Shenzhen Zhongde Intelligent Lock Co ltd
Priority date: 2021-01-23
Filing date: 2021-01-23
Publication date: 2024-04-02
Anticipated expiration: 2041-01-23
Also published as: CN112900985A

Abstract

The invention relates to a lock body structure of a self-elastic and anti-plugging lock body, which comprises a square tongue driving mechanism and an anti-plugging executing mechanism in a lock shell of the lock body; when the door lock is opened and closed, the first key is used for poking the rotating wheel and the second key is used for poking the rotating wheel to drive the square tongue component, the anti-inserting tongue component and the big and small gears of the inclined tongue component to realize linkage conversion, so that the torque force for opening the key is reduced, and the torque force is smaller and the self-ejection and anti-inserting effects are more conveniently realized when the key is opened. Through the innovative research of careful design, the structure of the door lock is simpler, the door lock is more flexible in terms of self-ejection and anti-insertion, the product cost is obviously reduced, and the door lock is a preferred product of business office and home door locks.

Description

Lock body structure of self-ejection and anti-mortise lock body

Technical Field

The invention relates to the field of door locks, in particular to a lock body structure of a self-ejection and anti-mortise lock body.

Background

At present, in the field of civil locksets, the lockset with the functions of back locking and self-ejection and anti-insertion and anti-theft cannot be realized.

As in patent No. 201520415143.9, entitled "a bidirectional opening self-spring anti-mortise lock", which discloses a technology comprising a lock panel, a lock housing, a lock cover, wherein the inclined tongue, the pulling tongue, the main tongue plate, the pin, the upper locking key, the pulling fork, the upper locking key torsion spring, the first return spring, the second return spring are located in the lock housing and are covered by the lock cover, and the structure is not innovative; patent No. 201920726147.7, entitled "self-locking lock with counter-locking assembly", discloses a structure comprising a counter-locking assembly, a lock housing, a fork assembly, a bi-directional latch assembly, a square bolt assembly, and an unlocking assembly, and the like, although having structural improvements in the main bolt and the latch, the anti-theft and anti-insertion aspects remain to be perfected.

Based on the technical defects, an innovative research on an anti-theft mechanical lock with a reverse lock self-spring function and an anti-insertion function is necessary.

Disclosure of Invention

Aiming at the defects existing in the prior art, the invention aims to provide a lock body structure of a self-elastic anti-mortise lock body, which reduces the key unlocking torque through the interlocking conversion of a big gear and a small gear, and has smaller torque and is more convenient when the key is unlocked. The oblique tongue is prevented from being inserted when the door lock is closed, the square tongue is ejected, so that the oblique tongue cannot be pushed into the lock body when the door lock is closed and ejected, the oblique tongue is prevented from being inserted and opened, the complex problem of the traditional door lock in self-ejection, insertion prevention and insertion release prevention internal structural design is reduced, and the purpose of simpler and more practical lock body structural design is achieved.

The lock body structure for implementing the self-elastic and anti-inserting lock body is characterized by comprising a square tongue driving mechanism and an anti-inserting executing mechanism which are arranged in a lock shell;

the square tongue driving mechanism comprises a starting reset component, a key switch poking component, a poking rod component and a key poking component which are connected with the tail plate by the square tongue and is arranged, and is characterized in that the starting reset component is characterized in that an elastic sheet is welded on the tail plate, a starting pin is sleeved with a reset spring and then inserted into a starting pin hole of the tail plate, and when the door lock is closed, a self-ejection starting pin of the tail plate of the square tongue is ejected from a lock shell, so that the aim of self-ejection of the square tongue when the door lock is closed is achieved;

the key switch toggle assembly comprises a torsion spring, a small linkage tooth, a large linkage tooth and a switch pulling piece, and is characterized in that holes formed in the small linkage tooth, the large linkage tooth and the switch pulling piece are sequentially overlapped and then fixed in a lock shell through fixing columns, wherein one end of the torsion spring is hung on the fixing column of the lock shell, and the other end of the torsion spring is hung on a hanging spring column of the switch pulling piece;

the small linkage teeth are provided with holes, limiting blocks and moving teeth;

the large linkage teeth are provided with holes, movable grooves, convex positions and linkage teeth; the large linkage teeth drive the large linkage teeth to rotate when the inclined tongue component advances into the lock shell, and the convex position end of the inclined tongue component rotates to the rear half way and is poked to the concave position end of the square tongue poking rod, so that the square tongue component resets into the lock shell to play a role in pushing;

the switch pulling piece is provided with a hole, a return antenna and a hanging spring column;

the driving lever assembly comprises a driving lever, a torsion spring and a screw, and is characterized in that the driving lever is provided with a square shaft hole, teeth, a pushing column, a screw hole and a concave position, wherein one end of the torsion spring is fixed on the driving lever by the screw, the other end of the torsion spring is hung on a hanging spring column of a lock shell, then the torsion spring is fixed corresponding to the driving lever hole of the lock shell, and the pushing column of the driving lever is arranged in a driving lever groove of a tail plate; the deflector rod teeth of the deflector rod assembly are meshed with the driving teeth of the second key poking rotating wheel, and the concave positions of the deflector rod are in contact with the feeler of the moving tooth piece, so that the square tongue returns to the position;

the key stirring assembly comprises a first key stirring rotating wheel and a second key stirring rotating wheel, and is characterized in that after the first key stirring rotating wheel and the second key stirring rotating wheel are arranged on a lock shell, teeth of the second key stirring rotating wheel are meshed with the teeth of a stirring rod, the first key stirring rotating wheel is meshed with a large linkage tooth, so that the second key stirring rotating wheel is transported to drive the pushing of a square tongue tail plate through the meshing of the teeth, and a square tongue is pushed to the lock shell in place;

the first key poking rotating wheel is provided with a key hole, symmetrical buckling blocks and driving teeth, the key hole formed in the first key poking rotating wheel is outwards turned and sunken to form a step, one end of the buckling blocks is provided with the driving teeth, the lower surface is hollow, and the step is buckled and fixed in the lock shell hole;

the anti-insertion executing mechanism comprises an anti-insertion tongue, a fixed seat, a moving tooth plate, a gasket, a hook plate and an anti-insertion opening, and is characterized in that the gasket is overlapped on the moving tooth plate and fixed on a lock shell, then the anti-insertion tongue is arranged on the fixed seat, a clamping groove at one end of the hook plate is inserted into a fixed column on the gasket to be clamped, the other end of the clamping groove is inserted into an inlet of the fixed seat, and the anti-insertion opening is sleeved with a torsion spring on the anti-insertion lower column and then correspondingly arranged in a lock shell hole to form the anti-insertion executing mechanism.

The second key of the key stirring assembly is provided with a hole, a buckling groove, a driving tooth and a step, wherein the through hole and the step arranged above correspond to the lock cover hole, and the buckling groove arranged below is meshed with the buckling block of the first key stirring rotating wheel.

The anti-insertion actuating mechanism is characterized in that the moving tooth plate of the anti-insertion actuating mechanism is provided with holes, teeth and a contact rod, and the teeth of the moving tooth plate are meshed with the moving teeth of the small linkage teeth.

The hook piece of the anti-insertion executing mechanism is provided with a return spring clamping groove, a return spring, a convex position and a fixing column clamping groove, the fixing column clamping groove of the hook piece is clamped and fixed on the fixing column of the gasket, a hole of the hook piece is buckled and fixed on a boss of the gasket to be stable, the return spring of the hook piece is arranged in the hook piece return spring clamping groove, and one end of the return spring is sleeved into the convex nail of the clamping groove to be fixed.

And the anti-insertion executing mechanism is provided with a concave hole for preventing insertion, the concave hole is propped against the contact of the tail plate, and the aim of preventing insertion pushing the square tongue to stir is achieved.

Advantageous effects

The invention reduces the torque force for opening the key by the big and small gears of the square tongue, the anti-inserting tongue and the inclined tongue in linkage conversion, and has smaller and more convenient torque force when the key is opened, thereby achieving the effects of self-ejection and anti-inserting.

Drawings

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

FIG. 2 is a schematic plan view of the present invention;

FIG. 3 is a schematic diagram of an explosive structure of the present invention;

FIG. 4 is a schematic diagram of a driving mechanism of a square tongue of the present invention, FIG. 4-1 is a schematic diagram of a structure of a square tongue and a tail plate, FIG. 4-2 is a schematic diagram of a driving lever structure, FIG. 4-3 is a schematic diagram of a structure of a large and small linkage tooth and a switch pulling piece, FIG. 4-4 is a schematic diagram of a three-dimensional structure of the switch pulling piece, FIG. 4-5 is a schematic diagram of a first key pulling wheel structure, and FIG. 4-6 is a schematic diagram of a second key pulling wheel structure;

FIG. 5 shows a schematic view of an anti-insertion actuator of the present invention, FIG. 5-1 shows a schematic view of assembled parts of the anti-insertion actuator, FIG. 5-2 shows a schematic view of a fixed seat, FIG. 5-3 shows a schematic view of a moving tooth plate structure, FIG. 5-4 shows a schematic view of a hook plate structure, and FIG. 5-5 shows a schematic view of an anti-insertion structure;

FIG. 6 is a schematic view of a tongue driving mechanism of the present invention, and FIG. 6-1 is a schematic view of a hook piece structure of a connecting member;

FIG. 7 is a schematic view of a structure of a latch lever assembly according to an embodiment of the present invention, and FIG. 7-1 is a schematic view of an assembly structure of components of the latch lever assembly;

FIG. 8 is a schematic view of the structure of the lock case, cover and side strip of the present invention.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Fig. 1 to 6 and fig. 8 show that the embodiment of the invention provides a self-ejection and anti-plugging lock body structure for flexibly expanding and contracting door lock unlocking, which comprises a square tongue driving mechanism 3 and an anti-plugging executing mechanism 4 arranged in a lock shell 2; the square tongue driving mechanism 3 comprises a starting reset component, a key switch toggle component, a deflector rod component and a key toggle component, wherein the starting reset component is formed by connecting a square tongue 31 with a tail plate 32, a spring plate 328 is welded on the tail plate 32, a starting pin 326 is sleeved with a reset spring 327 and then inserted into a starting pin hole 325 of the tail plate 32, and when the door lock is closed, a self-ejection starting pin 326 of the tail plate 32 of the square tongue 31 ejects from the lock shell 2, so that the purpose that the square tongue 31 ejects from place when the door lock is closed is achieved; the key switch toggle assembly comprises a torsion spring 33, a small linkage tooth 34, a large linkage tooth 35 and a switch pulling piece 36, wherein holes 361 formed by the small linkage tooth 34, the large linkage tooth 35 and the switch pulling piece 36 are sequentially overlapped and then fixed in the lock shell 2 by a fixing column 331, one end of the torsion spring 33 is hung on the fixing column 22 of the lock shell 2, and the other end of the torsion spring 33 is hung on a hanging spring column 363 of the switch pulling piece 36; the deflector rod assembly comprises a deflector rod 37, a torsion spring 375 and a screw 76, wherein the deflector rod 37 is provided with a square shaft hole 371, teeth 373, a pushing post 372, a screw hole 374 and a concave position 377, one end of the torsion spring 375 is firstly fixed on the deflector rod 37 by the screw 76, the other end is hung on a hanging spring post 376 of the lock shell 2, then the torsion spring is fixed corresponding to the deflector rod hole 25 of the lock shell 2, and the pushing post 372 of the deflector rod 37 is arranged in a deflector rod groove 322 of the tail plate 32; the key stirring assembly comprises a first key stirring rotating wheel 38 and a second key stirring rotating wheel 39, and is characterized in that after the first key stirring rotating wheel 38 and the second key stirring rotating wheel 39 are arranged on the lock shell 2, teeth 393 of the second key stirring rotating wheel 39 are meshed with teeth 373 of a stirring rod 37, the first key stirring rotating wheel 38 is meshed with large linkage teeth 35, so that the second key stirring rotating wheel 38 is transported to drive the pushing of a tail plate 32 of a square tongue 31 through the meshing of driving teeth 393, and the square tongue 31 is pushed to the lock shell 2; the anti-insertion executing mechanism 4 comprises an anti-insertion tongue 41, a fixed seat 42, a moving tooth piece 43, a gasket 44, a hook piece 45 and an anti-insertion 46, wherein the gasket 44 is overlapped on the moving tooth piece 43 and is fixed on the lock shell 2, then the anti-insertion tongue 41 is arranged on the fixed seat 42, a clamping groove 451 at one end of the hook piece 45 is inserted into a fixed column 443 on the gasket 44 to be clamped, the other end of the hook piece is inserted into an inlet 427 of the fixed seat 42, and the anti-insertion executing mechanism 4 is formed by correspondingly arranging a torsion spring 465 in a hole 27 of the lock shell 2 after the anti-insertion 46 is sleeved on a lower column 462.

The small interlock teeth 34 of the key switch toggle assembly are provided with holes 341, a stopper 343 and moving teeth 342. The large interlock teeth 35 of the key switch toggle assembly are provided with holes 351, movable slots 352, protrusions 353 and interlock teeth 354. The switch blade 36 of the key switch toggle assembly is provided with a hole 361, a return feeler 362, and a suspension post 363. The large linkage teeth 35 are provided with convex positions 353, and when the inclined tongue component is pushed into the lock shell 2, the large linkage teeth 35 are driven to rotate, the convex positions 353 end is shifted to the concave position 377 end of the shifting lever 37 of the square tongue 31 after the inclined tongue component rotates to the back half, so that the square tongue component is reset into the lock shell 2 to play a role in pushing. The lever teeth 373 of the lever assembly engage the drive teeth 393 of the second key-toggle wheel 39 and the recesses 377 of the lever 37 are in contact with the feeler 434 of the moving blade 43, returning the tongue 31 into position. The first key poking runner 38 of the key poking assembly is provided with a key hole 381, a symmetrical buckling block 382 and driving teeth 383, the key hole 381 arranged on the first key poking runner 38 is outwards turned and downwards recessed to form a step 384, one end of the buckling block 382 is provided with the driving teeth 383, the lower surface is hollow 384, and the step 385 is arranged to be buckled and fixed on the lock shell hole 24. The second key-toggle runner 39 of the key toggle assembly is provided with a hole 391, a catching groove 392, a driving tooth 393 and a step 394, wherein the through hole 391 and the step 394 arranged above correspond to the hole 81 of the lock cover 8, the catching groove 392 arranged below is meshed with the catching block 382 of the first key-toggle runner 38, the moving tooth piece 43 of the anti-insertion actuator is provided with the hole 431, the tooth 432 and the contact rod 433, and the tooth 432 of the moving tooth piece 43 is meshed with the moving tooth 342 of the small linkage tooth 34. The hook piece 45 is provided with a return spring clamping groove 451, a return spring 452, a convex position 453 and a fixed column clamping groove 455, the fixed column clamping groove 455 of the hook piece 45 is clamped and fixed on the fixed column 443 of the gasket 44, a hole 454 of the hook piece 45 is buckled and fixed on a boss 442 of the gasket 44 to be stable, the return spring 452 of the hook piece 45 is arranged in the return spring clamping groove 451 of the hook piece 45, and one end of the return spring 452 is sleeved into a convex nail 451A of the clamping groove to be fixed. The anti-insertion actuator 4 is provided with a recess 463 in the anti-insertion 46, and the recess 463 abuts against the contact 329 of the tail plate 32, so that the anti-insertion actuator 46 pushes the square tongue 31 to toggle.

Further, referring to fig. 2, 5 and 5-1, 5-4, 6 and 6-1 and 7, the lock case 2 is sequentially provided with a square tongue driving mechanism 3, an anti-insertion executing mechanism 4, a bevel tongue driving mechanism 5 and a bevel tongue deflector rod assembly 6; wherein the outer and inner tongues 51, 52 of the tongue driving mechanism 5 constitute the tongues. The inclined tongue deflector rod assembly 6 comprises square shaft holes 611 and 631 formed by a small claw 61 and a big claw 63 (referred to as a claw for short); the tongue deflector 64 is curved 643 to engage the claw, and its jaw 644 is inserted into the tongue connector 53 at the location post 54. When the door is opened, the claw is pressed downwards by the rotation of the handle square shaft, and the clamping jaw 644 of the inclined tongue deflector 64 is driven to touch the corner at the left side of the concave groove 463 of the anti-inserting device 46 (see figure 2). At this time, the corner on the right side of the socket 463 of the anti-insertion 46 is bumped against the corner of the contact (also called a clamping position) 329 of the deflector rod 37 of the square tongue 31, and is separated from the clamping position of the contact 329, at this time, the pushing post 372 of the deflector rod 37 slides upwards from the end B of the sliding groove of the square tongue tail plate 32, and is separated from the clamping position of the anti-insertion 46 (the contact angle 329 of the tail plate 32 is not separated, before the anti-insertion 46 socket 463 is abutted against the tail plate 32, the deflector rod 37 pushes the post 372 to slide upwards from the end B of the sliding groove so as to be separated), and the square tongue 31 enters the lock case 2 from the square tongue hole 711 of the side plate strip 71 (the square tongue 31 is flush with the side plate strip 71); when the handle is turned to push down greatly, the clamping jaw 644 of the dead bolt shifting lever 64 presses the compression spring 55 at the positioning post 54 of the dead bolt connecting piece 53 to the bottom, at this time, the compression spring 55 is tightly attached to the boss 28 of the lock shell 2, and when the dead bolt is bumped at the contact point 323A of the tail plate 32 of the dead bolt 31, the dead bolt completely enters the lock shell 2, so that the tail plate 32 is pulled by the torsion spring 33 (figure 2), and the dead bolt 31 cannot be ejected. The anti-inserting tongue 41 is separated from the side strip 71 when the door is opened and is ejected from the lock case 2; the inclined surface 457 of the tab 45 bump 456 of the anti-lock tongue 41 is clear of the position of the tail plate 32 from the shoot initiation pin 326. After the handle is released, the inclined tongue pops out of the inclined tongue hole 713 of the side plate 71, the inclined surface 457 of the anti-inserting hook piece 45 is dislocated with the elastic sheet 328 of the tail plate 32, the self-ejecting starting pin 326 does not protrude out of the tail plate 32, the hook 562 of the inclined tongue connecting piece 56 does not hook the self-ejecting starting pin 326 of the tail plate 32, and the side tongue 31 cannot pop out of the side plate 71. At this time, the compression spring 55 at the end of the latch connecting piece 53 is self-sprung and reset, and drives the connecting piece 53 to push the latch out of the lock case 2 during resetting, and simultaneously drives the contact rod 433 and the feeler 434 of the moving tooth piece 43 of the contact piece 532 at the bottom of the connecting piece 53 to eject the anti-inserting tongue 41 and the square tongue 31 out of the lock case 2. The anti-inserting tongue 41 ejects the lock case 2, and pushes the anti-inserting tongue 41 out of the lock case 2 under the boosting force of the return spring 452 of the hook piece 45, so that the inclined tongue, the anti-inserting tongue 41 and the square tongue 31 in the lock case 2 enter the lock 2 in the whole door opening process, and the movement is flexible and smooth.

Referring to fig. 3, which is an exploded view of the present invention, after the side plate assembly 7 is coupled to the lock case according to the order of product assembly, the side plate assembly 7 is first fastened to the lock case 2 through the side plate hole 711 provided in the side plate assembly 7 corresponding to the side plate driving mechanism 3, then the side plate assembly 7 corresponding to the anti-insertion hole 712 of the anti-insertion actuator 4 is sequentially installed to the lock case 2, then the latch driving mechanism 5 and the latch lever assembly 6 are provided to the lock case 2, and finally the lock cover 8 is locked to the screw hole 88 through the screw 76 corresponding to the key toggle hole 81, the slot 82, the latch expansion and contraction positioning slot 85, the clutch plate positioning slot 86, and the cam fixing hole 87.

Fig. 4 includes fig. 4-1 to 4-6, wherein fig. 4-1 is a A, B diagram showing the structure, fig. 4-2 is a A, B diagram showing the structure, and fig. 4 is a driving relationship of the tongue driving mechanism 3 in the structure of the lock body 1 in combination with fig. 3; FIG. 4 is a schematic view of a tongue driving mechanism of the present invention, which includes a tongue 31 connecting tail plate 32 structure, a small linkage tooth 34 and a large linkage tooth 35 connecting switch pulling piece 36 structure, a pulling rod 37 and a first key pulling wheel 38 and a second key pulling wheel 39 structure; the rear end 312 of the square tongue 31 in fig. 4-1 is clamped with the tail plate 32, after the elastic sheet 328 is welded at the contact 329 of the tail plate 32, the starting pin 326 is sleeved with the reset spring 327 and is inserted into the starting pin hole 325 of the tail plate 32 after the elastic sheet 328 is arranged, so that the square tongue is formed.

As shown in fig. 4-3 and fig. 4-4, the switch toggle assembly of the present invention comprises a torsion spring 33, a small linkage tooth 34, a large linkage tooth 35, and a switch toggle 36, wherein holes provided by the small linkage tooth 34, the large linkage tooth 35, and the switch toggle 36 are sequentially overlapped and then fixed in the lock case 2 by a fixing post 331, wherein one end of the torsion spring 33 is hung on the fixing post 22 of the lock case 2, and the other end is hung on the hanging spring post 363 of the switch toggle 36; the small linkage teeth 34 are provided with holes 341, limiting blocks 342 and moving teeth 343; the large interlocking teeth 35 are provided with holes 351, movable grooves 352, convex portions 353 and interlocking teeth 354; the switch pulling piece 36 is provided with a hole 361, a return feeler 362 and a hanging spring post 363; the large linkage teeth 35 are provided with convex positions 353, and when the inclined tongue advances into the lock shell 2, the linkage teeth 343 are driven to rotate, and after the inclined tongue rotates to the second half, the convex positions 353 are shifted to the concave positions 377 of the shifting rod 37 of the square tongue 31, so that the square tongue resets into the lock shell 2 to play a role in pushing.

Referring to fig. 4-2, as shown in fig. A, B, in conjunction with fig. 2, the lever of the present invention is provided with a square shaft hole 371, a tooth 374, a push post 372, a screw hole 374 and a recess 377, wherein one end of a torsion spring 375 is fixed on the lever 37 by a screw 76, the other end is hung on a hanging spring post 376 of the lock case 2, then the push post 372 of the lever 37 is fixed corresponding to the lever hole 25 of the lock case 2, and is placed in the lever groove 322 of the tail plate 32, the push post 372 can be driven from the end a to the end B of the lever groove 322 during driving, the push post 372 returns from the end B to the end a during door closing, wherein the lever tooth 373 of the lever 37 is meshed with the driving tooth 394 of the second key-stirring runner 39, and the recess 377 of the lever 37 is in contact with the feeler 434 of the moving tooth piece 43, so that the tongue 31 returns to the position.

Fig. 4-5 and 4-6 illustrate a key-toggle assembly of the present invention comprising a first key-toggle roller 38 and a second key-toggle roller 39, wherein the first key-toggle roller 38 and the second key-toggle roller 39 are disposed behind the lock housing 2, the teeth 393 of the second key-toggle roller 39 engage the teeth 373 of the toggle lever 37, the first key-toggle roller 38 engages the large interlock teeth 35, and the movement of the second key-toggle roller 38 drives the pushing of the tail plate 32 of the blade 31 through the engagement of the drive teeth 393, thereby pushing the blade 31 into place toward the lock housing 2. The first key poking rotary wheel 38 is provided with a key hole 381, a symmetrical buckling block 382 and driving teeth 383, the key hole 381 arranged on the first key poking rotary wheel 38 is outwards turned and downwards recessed to form a step 385, one end of the buckling block 382 is provided with the driving teeth 383, the lower surface is hollow 384, and the step 385 is arranged to be buckled and fixed on the hole 24 of the lock shell 2. The second key toggle wheel 39 is provided with a hole 391, a catching groove 392, a driving tooth 393 and a step 394, wherein the through hole 391 and the step 394 arranged above correspond to the hole 81 of the cover 8, and the catching groove 392 arranged below is meshed with the catching block 382 of the first key toggle wheel 38.

As shown in fig. 5, the schematic illustration of the anti-plugging actuator of the present invention includes that fig. 5-1 to 5, and combines fig. 2 and 8, the anti-plugging actuator 4 is disposed in the side bar assembly 7 and the lock case 2, the anti-plugging actuator 4 is disposed between the square tongue driving mechanism 3 and the inclined tongue driving mechanism 5, especially in fig. 5, the moving teeth 43 and the gaskets 44 of the anti-plugging actuator 4 are first overlapped and fixed in the lock case 2, then the anti-plugging tongue 41 is disposed in the anti-plugging tongue hole 712 of the side bar assembly 7, after the base 421 is sleeved with the left and right blocking pieces 422 and 423, the protruding portion 425 is inserted into the clamping groove 25A and the clamping hole 25B of the lock case 2, at this time, after the hook piece 45 is put into the return spring 452, the hook piece 45 is inserted into the grooves 422A and 423A corresponding to the left and right blocking pieces 422 and 423, and the cover plate 424 is buckled on the protruding portion of the left and right blocking pieces 422 and 423 to form the fixing seat 425 42; secondly, inserting the clamping groove 455 of the hook piece 45 into the fixing column 443 to lock, and fixing the hole 454 of the hook piece 45 corresponding to the boss 442 of the gasket 44; finally, the lower post 462 of the anti-insertion 46 is sleeved with the torsion spring 465 to be fixed corresponding to the lower post hole 27 of the lock shell, and the concave 463 of the anti-insertion 46 is clamped on the contact 329 of the tail plate 32 of the square tongue 31 to form the anti-insertion actuating mechanism 4. Here, it should be understood that the fixing seat 42 is detachable and includes four parts including a base 421, a left blocking piece 422, a right blocking piece 423, and a cover plate 424, wherein the base 421 is provided with a protruding hole for clamping the protruding portions 425 of the left blocking piece 422 and the right blocking piece 423, and the protruding portions 425 are disposed on the upper and lower sides of the left blocking piece 422 and the right blocking piece 423. Grooves 422A and 423A for locking the hook piece 45 are also provided in the left and right blocking pieces 422 and 423. After the base 421, the left blocking piece 422, the left blocking piece 423 and the cover plate 424 are assembled to form the fixing seat 42, the entrance 427 of the anti-inserting tongue 41 and the positioning nail 429 of the anti-inserting tongue 41 can be seen.

The moving blade 43 is provided with a hole 431, a tooth 432 and a tactile lever 433, and the tooth 432 of the moving blade 43 is engaged with the moving tooth 343 of the small linkage 34. The spacer 44 is provided with a hole 441 and a boss 442.

The hook piece 45 is provided with a return spring clamping groove 451, a return spring 452, a convex position 453 and a fixed column clamping groove 455, the fixed column clamping groove 455 of the hook piece 45 is clamped and fixed on the fixed column 443 of the gasket 44, a hole 454 of the hook piece 45 is buckled and fixed on a boss 442 of the gasket 44 to be stable, the return spring 452 of the hook piece 45 is arranged in the return spring clamping groove 451 of the hook piece 45, and one end of the return spring 452 is sleeved into a convex nail 451A of the clamping groove to be fixed.

The anti-insertion 46 is provided with a recess 463, and the recess 463 abuts against the contact 329 of the tail piece 32, so that the anti-insertion 46 pushes the square tongue 31 to stir.

As shown in fig. 6, further comprising fig. 6-1, the tongue driving mechanism 5 comprises an outer tongue 51, an inner tongue 52, a connecting piece 53, a positioning post 54, a compression spring 55, a hook piece 56, a compression spring 57 and a rivet 58; after the outer inclined tongue 51 and the inner inclined tongue 52 are buckled, the connecting piece 53 is fixed by a rivet 58 corresponding to a rivet hole 511 of the outer inclined tongue 51, the rivet 58 is sleeved with a pressure spring 57 and then is riveted with a hole 561 corresponding to a hook piece 56 to the connecting piece 53, and then one end of a compression spring 55 is sleeved at the position of the positioning column 54. The hook piece 56 is provided with a rivet hole 561, a hook 562 and a bending part 563, one end of the hook piece 56 is sleeved with the compression spring 55 and the rivet 58 to be fixed on the connecting piece 53, the bending part 563 of the hook piece extends and turns back to form the hook 562, the hook 562 of the hook piece 56 is contacted with the inclined plane 457 of the salient point 456 of the anti-inserting hook piece 45, and the lock is unlocked by a key without blocking, so that the door lock is opened smoothly. The front end of the connecting piece 53 is buckled with the inclined tongue by using the fixing column 511 for riveting, the hook piece 56 is overlapped on the hole 561 of the connecting piece 53, then the pressure spring 57 is sleeved on the rivet 58, the rivet 58 is aligned with the hole 561 of the connecting piece 53 for riveting, and the position of the rear end positioning column 54 of the connecting piece 53 is clamped, so that the compression spring 55 is buckled and fixed.

FIG. 7 shows an embodiment of the present invention, wherein the mechanical structure of the lock body of the self-locking and anti-mortise lock body of the present invention can be seen from FIGS. 1 to 6 and 8, but the motor 66 in the cam lever assembly 6 can also be installed to drive the lock body as a smart lock; the motor 66 is arranged in the lock shell 2 to be sleeved with the clutch plate 67 and the claw 63 clamping groove 632 in a clamping way, the power line groove 68 is sleeved outside the lock shell 2, and the power line led out from the motor 66 is arranged in the power line groove 68 and connected with the signal receiver 69, so that the electronic multifunctional intelligent lock is very practical. The inclined tongue deflector rod assembly 6 comprises a small goat's horn 61, a gasket 62, a big goat's horn 63, an inclined tongue deflector rod 64 and a return spring 65; wherein, the clutch plate is arranged in a T shape, one end is clamped to the motor 66, then the small goat's horn 61 is buckled in the lock shell 2 corresponding to the hole 27 of the lock shell 2, the washer 62 is buckled on the small goat's horn 61, and then the big goat's horn 63 is buckled on the washer 62 and buckled with the clutch plate 67; after the hole 641 of the tongue deflector 64 is placed into the return spring 65, the corresponding hole of the lock case 2 is locked by a screw, the arc 643 is positioned at the claw 63, and the claw 644 is inserted into the tongue connecting member 53 to be locked. Wherein, the square shaft holes 611 and 631 formed by the big and small sheep horns 63 and 61 are square shafts sleeved with the handles, when the handles are pressed downwards, the front ends 634 and 613 formed by the big and small sheep horns 63 and 61 push the clamping jaws 644 of the inclined tongue shifting lever 64 to press the positioning posts 54 on the inclined tongue connecting piece 53 to compress the compression springs 55 tightly against the boss 28 of the lock shell 2 and reset, otherwise, when the handles are lifted upwards, the rear ends 633 and 612 of the big and small sheep horns 63 and 61 push the contact 642 of the inclined tongue shifting lever 64 strongly, and the clamping jaws 644 of the inclined tongue shifting lever 64 push the positioning posts 54 on the inclined tongue connecting piece 53 into the lock shell 2 and reset. When the motor 66 drives the clutch plate 67 to push the goat's horn 63, the latch is pushed into the lock housing 2 and the door lock is opened.

Fig. 8 shows a fitting structure of the side plate bar assembly 7, the lock case 2 and the cover 8 of the lock body 1, wherein the side plate bar assembly 7 comprises a side plate bar 71, a buckle bar cushion block 72 and a buckle bar 73, corresponding square tongue holes 711, anti-inserting tongue holes 712 and inclined tongue holes 713 are arranged, a rolling shaft 74 is arranged on the buckle bar cushion block 72 during assembly, and the buckle bar 73 is covered and locked by corresponding screw holes 75.

The assembly process of the present invention will be described with reference to fig. 3 to 6 and 8, in which the side plate bar 71 is first put into the bar block 72, the rolling shaft 74 is put on the bar block 72, then the bar 73 is covered with the bar 73 corresponding to the square tongue hole 711, the anti-insert tongue hole 712 and the inclined tongue hole 713, and then the lock case 2 is locked with the screw 76.

Secondly, the inclined tongue deflector rod 64 is sleeved with a return spring 65 and is arranged in the hole 25 of the lock shell 2 for fixation; then, the inclined tongue hole 713 of the inclined tongue driving mechanism 5 corresponding to the side plate bar assembly 7 of the lock shell 2 is arranged in the lock shell 2, then the moving tooth piece 43 and the gasket 44 are firstly arranged in the lock shell 2 for riveting, after the anti-inserting tongue 41 corresponding to the anti-inserting tongue hole 712 of the side plate bar assembly 7 is sleeved on the fixed seat 42, the hook piece 45 is fixed in the lock shell 2, and the lower post 462 of the anti-inserting 46 is sleeved on the torsion spring 465 and then is fixed corresponding to the hole of the lock shell 2.

Finally, the square tongue driving mechanism 3 is installed, the small linkage teeth 34, the large linkage teeth 35 and the switch pulling sheet 36 are overlapped on the hole 21 of the lock shell 2 and are locked by the fixing column 331, then one end of the door closing spring 365 is hung on the hanging spring column 363 of the switch pulling sheet 36, the other end is hung on the fixing column 366 to be fixed, one end of the torsion spring 33 is hung on the fixing column 321A of the tail plate 32, and the other end is hung on the fixing column 22 of the lock shell 2; then, the driving lever 37 is provided with a torsion spring 375 to be locked by the screw 76 and fixed corresponding to the driving lever hole 25 of the lock shell 2, and the other end of the torsion spring 375 is hung on a hanging spring column 376 of the lock shell, the pushing column 372 of the torsion spring is arranged in a driving lever groove 323 of the tail plate 32 of the square tongue 31, and the pushing column 372 can push the position B from the position A of the driving lever groove 323 and can push the position A from the position B; then the first key poking rotary wheel 38 is arranged in the hole 24 of the lock shell 2 to be fixed, the buckling groove 392 of the second key poking rotary wheel 39 is meshed with the buckling block of the first key poking rotary wheel 38, and then the lock is locked by the screw 76 after corresponding to the key poking hole 81, the clamping groove 82, the square shaft Kong Kawei, the clamping hole 84, the inclined tongue telescopic positioning groove 85, the clutch plate positioning groove 86, the claw fixing hole 87 and the screw hole 88 on the cover 8.

It should be noted that, when the door lock is unlocked by the key, the key is used to toggle the wheel assembly 38, 39, and the engagement of the driving teeth 383, 393 drives the teeth 373 of the toggle 37 to push the tail plate 32 of the square tongue 31 into and out of the lock housing 2, so that the square tongue 31 is pushed into place in the lock housing 2. When the first key poking rotary wheel 38 continuously rotates, the large linkage teeth 35 are meshed to drive the small linkage teeth 34 to rotate, and the movement teeth 342 of the small linkage teeth 34 are meshed with the movement teeth 431 of the anti-insertion executing mechanism 4 to touch the touch piece 532 of the inclined tongue connecting piece 53 to push the inclined tongue driving mechanism 5 to retract into the lock shell 2 to a proper position, so that the mechanical key opening effect of the lock body 1 is achieved. In short, the torque force is reduced when the mechanical key is started by the conversion effect of the large linkage teeth 35 and the small linkage teeth 34, so that the mechanical key is more comfortable to use. In addition, the large linkage teeth 35 are provided with convex positions 353, when the inclined tongue advances into the lock body, the linkage teeth 43 are driven to rotate, and after the inclined tongue rotates to the second half, the convex positions 353 are stirred to the concave positions 377 of the shifting rod 37 of the square tongue 31, so that the square tongue 31 is reset into the lock body 1 to play a role in pushing.

On the contrary, the handle unlocking is that the handle square shaft is inserted into the claw square shaft hole, the handle is lifted upwards or pressed downwards, the clamping jaw 644 of the inclined tongue deflector rod 64 is pushed to cling to the positioning column 54 of the connecting piece 53 through the rotation of the claw to squeeze the compression spring 55 to the positioning point 28 of the lock shell 2, so that the inclined tongue stretches into the lock shell 2, and the movement tooth piece 43 of the anti-inserting actuating mechanism 4 is driven to engage with the small linkage tooth 34 of the square tongue driving mechanism 3 to drive the deflector rod 37 to push the column 372 to stir in the deflector rod groove 322 of the tail plate 32 of the square tongue 31, so that the purpose of opening the door is achieved.

When the door lock is closed, the inclined tongue driving mechanism 5 and the anti-insertion executing mechanism 4 are pushed into the lock shell 2, in the pushing process, the anti-insertion executing mechanism 4 is provided with a protruding end face to push out, a self-ejection starting pin 326 in the square tongue driving mechanism 3 protrudes out of a tail plate 32 of the square tongue 31, at the moment, the inclined tongue driving mechanism 5 is pushed into the lock shell 2 to be ejected out, a self-ejection starting hook piece 56 is arranged in the inclined tongue driving mechanism 5, when the inclined tongue driving mechanism 5 ejects out, the self-ejection starting pin 325 in the square tongue driving mechanism 3 protruding out of the tail plate 32 of the square tongue 31 is hooked by the self-ejection hook piece 56 to be ejected out of the lock shell 2 together, and when the inclined tongue driving mechanism 5 ejects out of a part together with the self-ejection starting pin 325 in the square tongue driving mechanism 3, a torsion spring 33 in the square tongue driving mechanism 3 and a torsion spring 33 in the square tongue poking piece 36 are in an upward ejecting position, so that the square tongue driving mechanism 3 is ejected into place together. The anti-insertion opening end face 323A arranged in the square tongue driving mechanism 3 is propped against the anti-insertion opening end face 323A in the inclined tongue driving mechanism 5, a gap of 3.0mm is reserved between the two contact faces, when the inclined tongue is pushed into the lock shell 2 by external force at the moment, the inclined tongue is pushed to 3.0mm, and the anti-insertion opening end face 323A of the square tongue driving mechanism 3 is propped against the anti-insertion opening face 323A in the inclined tongue driving mechanism 5, so that the inclined tongue driving mechanism 5 cannot be pushed into the lock shell 2, and the anti-insertion executing mechanism 4 of the inclined tongue driving mechanism 5 in the lock shell 2 can be opened.

When the inclined tongue deflector rod 64 presses the inclined tongue driving mechanism 5 to push into the lock shell 2, a gap of 3.0mm is formed between the inclined tongue driving mechanism 5 and the inclined tongue driving mechanism 3 anti-insertion opening end face 323A, the inclined tongue deflector rod 64 bumps and presses the anti-insertion 46 block in the process of pushing the inclined tongue driving mechanism 5 into the lock shell 2 by 3.0mm, the anti-insertion 46 block bumps and presses the inclined tongue deflector rod 37, and the inclined tongue deflector rod 37 is bumped and pressed and comes out from a clamping position 323 in a groove 322 formed in the tail plate 32 of the inclined tongue 31, so that the anti-insertion 46 is opened. At this time, the latch driving mechanism 5 is pressed to the square tongue driving mechanism 3 to push into the lock case 2 together, so as to achieve the door lock unlocking effect.

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. The lock body structure of the self-ejection and anti-plugging lock body is characterized by comprising a square tongue driving mechanism and an anti-plugging executing mechanism which are arranged in a lock shell;

2. The lock body structure of a self-locking and anti-mortise lock according to claim 1, wherein the second key-poking runner of the key poking assembly is provided with a hole, a catching groove, a driving tooth and a step, wherein the through hole and the step arranged above correspond to the lock cover hole, and the catching groove arranged below is meshed with the catching block of the first key-poking runner.

3. The lock body structure of the self-ejection and anti-mortise lock body according to claim 1, characterized in that the moving tooth piece of the anti-mortise actuator is provided with a hole, teeth and a contact rod, and the teeth of the moving tooth piece are meshed with the moving teeth of the small linkage teeth.

4. The lock body structure of the self-elastic and anti-plugging lock body according to claim 1, wherein the hook piece of the anti-plugging actuating mechanism is provided with a return spring clamping groove, a return spring, a convex position and a fixed column clamping groove, the fixed column clamping groove of the hook piece is clamped and fixed on the fixed column of the gasket, the hole of the hook piece is buckled and fixed on the boss of the gasket to be stable, the return spring of the hook piece is arranged in the hook piece return spring clamping groove, and one end of the return spring is sleeved into the convex nail of the clamping groove to be fixed.

5. The lock body structure of the self-ejection and anti-plugging lock body according to claim 1, wherein the anti-plugging actuator is provided with a socket for unlocking and anti-plugging, and the socket is propped against a contact of the tail plate to achieve unlocking and anti-plugging pushing of the square tongue.