CN215212847U - Lock body structure of self-ejection and anti-mortise lock - Google Patents

Abstract

The utility model relates to a lock body structure of a self-eject and anti-insert lock, which comprises a dead bolt driving mechanism and an anti-insert actuating mechanism in a lock shell of the lock body; when the door lock is opened and closed, the first key poking rotating wheel and the second key poking rotating wheel drive the square bolt assembly, the anti-insertion bolt assembly and the big and small gear linkage conversion of the oblique bolt assembly to reduce the key opening torsion, and the torsion is smaller when the key is opened, so that the self-bouncing and anti-insertion effects are more conveniently achieved. The utility model discloses the innovation research of structure process meticulous design, its mechanism is simpler, and the lock switch is from playing and preventing inserting the aspect more nimble, and product cost obviously reduces, is commercial official working and first-selected product of house lock.

Description

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

Technical Field

The utility model relates to a lock field, more specifically says that it relates to a lock body structure from bullet and anti-mortise lock.

Background

At present, in the field of civil locks, a lock with a back-locking self-eject function and an anti-insertion anti-theft function cannot be used, and the theft into a room occurs, so that serious potential safety hazards are formed for family property.

For example, patent No. 201520415143.9 entitled "a bidirectional unlocking self-eject anti-insertion lock body", discloses a lock body panel, a lock body shell, a lock body cover, and the technologies of the oblique bolt, the shifting bolt, the main bolt plate, the pin, the upper locking key, the shifting fork, the upper locking key torsion spring, the first return spring and the second return spring are positioned in the lock body shell and covered by the lock body cover, and the structure thereof has no innovation; patent No. 201920726147.7 entitled "self-eject lock with back lock assembly" discloses a structure including a back lock assembly, a lock case, a fork assembly, a two-way latch bolt assembly, a dead bolt assembly and an unlock assembly, which is improved in terms of a main latch bolt and a latch bolt, but is still to be improved in terms of anti-theft and anti-jamming.

Based on the technical defects, it is necessary to develop an anti-theft mechanical lock with a back-locking self-eject and anti-insertion function.

Disclosure of Invention

Not enough to prior art exists, the utility model provides a lock body structure of mortise lock is prevented from bullet reaches through big pinion interlock conversion and reduces the key and open torsion, and torsion is littleer, more convenient when the key is opened. When the latch bolt is prevented from being inserted into the door lock and the door lock is closed, the square bolt is popped out, so that the latch bolt can not be pushed into the lock body when the door lock is closed and popped, the latch bolt insertion prevention opening effect is achieved, the complex problem of the internal structure design of the traditional door lock in self-ejection, insertion prevention and insertion release is reduced, and the purpose of simpler and more practical structure design of the lock body is achieved.

The lock body structure of the self-eject and anti-insertion lock is characterized by comprising a dead bolt driving mechanism and an anti-insertion executing mechanism which are arranged in a lock shell;

the dead bolt driving mechanism comprises a dead bolt connecting tail piece, a starting reset assembly, a key switch toggle assembly, a deflector rod assembly and a key toggle assembly, and is characterized in that the starting reset assembly is characterized in that an elastic sheet is welded on the tail piece, a starting pin is sleeved with a reset spring and then inserted into a starting pin hole of the tail piece, when the door lock is closed, a self-elastic starting pin of the dead bolt tail piece pops out of the lock shell, and the aim of self-ejecting the dead bolt when the door lock is closed is fulfilled;

the key switch toggle assembly comprises a torsion spring, a small linkage tooth, a large linkage tooth and a switch toggle piece, and is characterized in that holes formed in the small linkage tooth, the large linkage tooth and the switch toggle piece are sequentially overlapped and then fixed in a lock shell by a fixing column, 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 spring hanging column of the switch toggle piece;

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 the hanging spring column of the 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 the tail piece;

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

the anti-insertion executing mechanism comprises an anti-insertion tongue, a fixed seat, a moving toothed sheet, a gasket, a hook sheet and an anti-insertion unlocking mechanism, and is characterized in that the gasket is superposed on the moving toothed sheet 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 sheet is inserted into a fixed column on the gasket and clamped, the other end of the hook sheet is inserted into an inlet of the fixed seat, and the anti-insertion unlocking tongue is sleeved with a torsion spring and then correspondingly arranged in a hole of the lock shell to form the anti-insertion executing mechanism.

The small linkage teeth of the key switch toggle assembly are provided with holes, limiting blocks and moving teeth;

the big interlocking teeth are provided with holes, movable grooves, convex positions and interlocking teeth;

the switch shifting piece is provided with a hole, a return antenna and a hanging spring column.

The big linkage tooth piece is provided with a convex position, the big linkage tooth piece is driven to rotate when the latch bolt assembly is pushed into the lock shell, and the convex position end is shifted to the concave position end of the square bolt shifting lever after the latch bolt assembly rotates to the rear half, so that the square bolt assembly is restored in the lock shell to play a role in pushing.

The poking rod teeth of the poking rod assembly are meshed with the driving teeth of the second key poking wheel, and the concave position of the poking rod is collided with the feeler of the moving toothed sheet, so that the square tongue returns to the position.

The first key poking rotating wheel of the key poking component is provided with a key hole, symmetrical buckling blocks and driving teeth, the key hole arranged on the first key poking rotating wheel is turned outwards and sunken downwards to form a step, one end of each buckling block is provided with the driving teeth, the lower part of each buckling block is hollow, and the step is buckled and fixed in the lock shell hole.

The second key of the key poking component pokes the rotating wheel to form a hole, a catching groove, a driving tooth and a step, wherein the through hole and the step arranged on the upper side correspond to the lock cover hole, and the catching groove arranged on the lower side is meshed with the catching block of the first key poking rotating wheel.

The motion tooth sheet of the anti-insertion executing mechanism is provided with holes, teeth and a touch rod, and the teeth of the motion tooth sheet are meshed with the motion teeth of the small linkage sheet.

The hook sheet of the anti-insertion executing 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 sheet is clamped on the fixed column of the gasket, a hole of the hook sheet is fastened on a boss of the gasket to achieve stability, the return spring of the hook sheet is arranged in the hook sheet return spring clamping groove, and one end of the return spring is sleeved in the convex nail of the clamping groove to be fixed;

the anti-plugging actuator is provided with a socket for preventing plugging, and the socket props against the contact of the tail piece, so that the anti-plugging actuator pushes the dead bolt to poke.

Advantageous effects

The utility model discloses a through the square bolt, prevent inserting the big and small gear interlock conversion of tongue and oblique tongue subassembly and reach and reduce the key and open torsion, torsion is littleer, more convenient when the key is opened, reaches from playing and prevents inserting the effect.

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 view of the explosion structure of the present invention;

fig. 4, a schematic view of the dead bolt driving mechanism of the present invention, fig. 4-1 is a schematic view of a dead bolt assembly structure, fig. 4-2 is a schematic view of a shift lever assembly structure, fig. 4-3 is a schematic view of a large and small linkage teeth and a switch dial plate structure, fig. 4-4 is a schematic view of a switch dial plate three-dimensional structure, fig. 4-5 is a schematic view of a first key dial wheel structure, and fig. 4-6 is a schematic view of a second key dial wheel structure;

fig. 5 is a schematic view of the anti-insertion tongue mechanism of the present invention, fig. 5-1 is a schematic view of an assembly component structure of the anti-insertion actuator, fig. 5-2 is a schematic view of a fixed seat structure, fig. 5-3 is a schematic view of a moving sheet structure, fig. 5-4 is a schematic view of a hook sheet structure, and fig. 5-5 is a schematic view of an anti-insertion structure;

fig. 6 is a schematic view of the latch bolt assembly of the present invention, and fig. 6-1 is a schematic view of the hook piece structure of the connecting member;

fig. 7 is a schematic view of a latch bolt driving 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 bolt driving assembly;

fig. 8 is a schematic structural view of the lock case, the cover and the side bar of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 6 and fig. 8, an embodiment of the present invention provides a self-eject and anti-insertion lock body structure for flexible extension of a door lock, which includes a dead bolt driving mechanism 3 and an anti-insertion actuating mechanism 4 disposed in a lock housing 1; the dead bolt driving mechanism 3 comprises a starting reset component, a key switch toggle component, a deflector rod component and a key toggle component, wherein the dead bolt 31 is connected with the tail piece 32 and is provided with the starting reset component, the key switch toggle component, the deflector rod component and the key toggle component, the starting reset component is characterized in that an elastic sheet 328 is welded on the tail piece 32, a starting pin 326 is sleeved with a reset spring 327 and then inserted into a starting pin hole 325 of the tail piece 32, when the door lock is closed, a self-ejection starting pin 326 of the tail piece 32 of the dead bolt 31 is ejected out of the lock shell 1, and the aim of self-ejecting the dead bolt 31 when the door lock is closed is fulfilled; the key switch toggle assembly comprises a torsion spring 33, a small linkage tooth 34, a large linkage tooth 35 and a switch toggle piece 36, wherein holes formed in the small linkage tooth 34, the large linkage tooth 35 and the switch toggle piece 36 are sequentially overlapped and then fixed in the lock shell 2 through 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 is hung on a spring hanging column 363 of the switch toggle piece 36; the deflector rod assembly comprises a deflector rod 37, a torsion spring 375 and a screw 76, the deflector rod 37 is provided with a square shaft hole 371, a tooth 374, a pushing column 372, a screw hole 374 and a concave position 377, wherein one end of the torsion spring 375 is fixed on the deflector rod 37 by the screw 76, the other end of the torsion spring 375 is hung on the hanging spring column 376 of the lock shell 2 and then fixed corresponding to the deflector rod hole 25 of the lock shell 2, and the pushing column 372 of the deflector rod 37 is arranged in the deflector rod groove 322 of the tail piece 32; the key toggle assembly comprises a first key toggle rotating wheel 38 and a second key toggle rotating wheel 39, and is characterized in that the first key toggle rotating wheel 38 and the second key toggle rotating wheel 39 are arranged behind the lock shell 2, teeth 393 of the second key toggle rotating wheel 39 are meshed with teeth 373 of a toggle lever 37, the first key toggle wheel 38 is meshed with the large linkage teeth 35, the transfer of the second key toggle wheel 38 drives the tail piece 32 of the square tongue 31 to be pushed through the meshing of the driving teeth 393, and the square tongue 31 is pushed to the lock shell 1 in place; the anti-insertion actuator comprises an anti-insertion tongue 41, a fixed seat 42, a moving toothed piece 43, a gasket 44, a hook piece 45 and an anti-insertion 46, wherein the gasket 46 is superposed on the moving toothed piece 43 and 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 a lower column 462 of the anti-insertion 46 is sleeved on a torsion spring 465 and then correspondingly arranged in a hole of the lock shell 2 to form the anti-insertion actuator. The small interlocking teeth 34 of the key switch toggle assembly are provided with holes 341, a limiting block 342 and moving teeth 343. The large interlocking teeth 35 of the key switch toggle assembly are provided with holes 351, movable slots 352, bosses 353 and interlocking teeth 354. The switch shifting piece 36 of the key switch shifting assembly is provided with a hole 361, a return antenna 362 and a hanging spring column 363. The large linkage tooth 35 is provided with a convex position 353, when the latch bolt assembly is pushed into the lock case 2, the large linkage tooth sheet 343 is driven to rotate, and after the latch bolt assembly rotates to the rear half, the convex position 353 end is shifted to the concave position 377 end of the shift lever 37 of the square bolt 31, so that the square bolt assembly is restored into the lock case 2 to play a role in pushing. The driver tooth 373 of the driver assembly engages the driver tooth 394 of the second key driver 39 and the recess 377 of the driver 37 abuts the feeler 434 of the moving blade 43 to return the locking tongue 31 to its position. The first key striking wheel 38 of the key striking assembly is provided with a key hole 381, symmetrical buckling blocks 382 and driving teeth 383, the key hole 381 arranged on the first key striking wheel 38 is turned outwards and sunken to form a step 384, the driving teeth 383 is arranged at one end of the buckling block 382, the lower surface of the buckling block is hollow, and the step 384 is buckled on the lock shell hole 24. The second key toggle wheel 39 of the key toggle assembly is provided with a hole 391, a catching groove 392, an actuating tooth 393 and a step 394, wherein the upper arranged through hole 391 and the step 394 correspond to the hole 81 of the lock cover 8 and the lower arranged catching groove 392 engage with the catching block 382 of the first key toggle wheel 38. The moving toothed plate 43 of the anti-jamming actuator is provided with a hole 431, teeth 432 and a touch lever 433, and the teeth 432 of the moving toothed plate 43 are meshed with the moving teeth 343 of the small interlocking plate 34. The hook 45 is provided with a return spring slot 451, a return spring 452, a convex part 453 and a fixed column slot 455, the fixed column slot 455 of the hook 45 is clamped on the fixed column 443 of the gasket 44, the hole 454 of the hook 45 is fastened on the boss 442 of the gasket 44 to be stable, the return spring 452 of the hook 45 is placed in the return spring slot 451 of the hook 45, and one end of the return spring 452 is sleeved in the convex nail 451A of the slot to be fixed. The anti-plugging actuator is characterized in that the anti-plugging actuator is provided with a notch 463, the notch 463 abuts against a contact 329 of the tail piece 32, and the anti-plugging actuator 46 pushes the square tongue 31 to poke.

Fig. 3 is the utility model discloses an explosion diagram, according to the order of product assembly, behind the lock shell is connected to curb plate strip subassembly 7, at first fix 7 square tongue holes that square tongue actuating mechanism 3 corresponds curb plate strip subassembly setting in lock shell 2, then install preventing inserting tongue hole 712 and order that prevents inserting actuating mechanism 4 and correspond curb plate strip subassembly 7 in lock shell 2, secondly set up oblique tongue actuating mechanism 5 and goat's horn subassembly 6 in lock shell 2, correspond first key toggle wheel hole 81 to lock lid 8 at last, control separation blade card hole 82, the flexible constant head tank 85 of oblique tongue, clutch plate constant head tank, goat's horn fixed orifices 87 after with screw 76 locking in screw hole 88.

Fig. 4, including fig. 4-1 through 4-6, wherein fig. 4-2 illustrates the structure of fig. A, B, in combination with fig. 3, fig. 4 illustrating the tongue drive mechanism in driving relationship with the lock body structure; FIG. 4 is a schematic view of the dead bolt drive mechanism of the present invention including a dead bolt assembly, a switch toggle assembly, a toggle lever assembly and a key toggle wheel assembly; the rear end 312 of the square tongue 31 shown in fig. 4-1 is fastened to the tail plate 32 by a slot, and after a spring 328 is welded to a contact 329 of the tail plate 32, a return spring 327 is sleeved on an actuating pin 326 and is placed on the spring 328, and then the actuating pin is inserted into an actuating pin hole 325 of the tail plate 32 to form a square tongue assembly.

As shown in fig. 4-3 and 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 piece 36, wherein holes formed on the small linkage tooth 34, the large linkage tooth 35, and the switch toggle piece 36 are sequentially overlapped and 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 a hanging spring post 363 of the switch toggle piece 36; the small interlocking teeth 34 are provided with holes 341, a limiting block 342 and moving teeth 343; the big interlocking teeth 35 are provided with holes 351, movable grooves 352, convex positions 353 and interlocking teeth 354; the switch shifting piece 36 is provided with a hole 361, a return antenna 362 and a hanging spring column 363; the big linkage tooth 35 is provided with a convex position 353, when the latch bolt assembly is pushed into the lock shell 2, the linkage tooth 343 is driven to rotate, and after the latch bolt assembly rotates to the rear half, the convex position 353 end is shifted to the concave position 377 end of the shift lever 37 of the square bolt 31, so that the square bolt assembly is restored into the lock shell 2 to play a role in pushing.

As shown in A, B of fig. 4-2, in combination with fig. 2, the driving lever of the present invention has a square shaft hole 371, teeth 374, a pushing column 372, a screw hole 374 and a concave portion 377, wherein one end of a torsion spring 375 is fixed on the driving lever 37 by a screw 76, the other end is hung on a spring hanging column 376 of the lock case 2, and then fixed corresponding to the driving lever hole 25 of the lock case 2, and the pushing column 372 of the driving lever 37 is placed in the driving lever groove 322 of the tail piece 32, during driving of the pushing column 372, the pushing column 372 can be driven from the a end to the B end of the driving lever groove 322 when the door is opened, and the pushing column 372 is reset from the B end to the a end when the door is closed, wherein the driving lever teeth 373 of the driving lever 37 are engaged with the driving teeth 394 of the second key dial wheel 39, and the concave portion 377 of the driving lever 37 collides with the contact angle 434 of the moving tooth piece 43, so that the square tongue 31 is restored to the right position.

Fig. 4-5 and fig. 4-6 show that the key shifting assembly of the present invention includes a first key shifting wheel 38 and a second key shifting wheel 39, wherein the first key shifting wheel 38 and the second key shifting wheel 39 are disposed on the lock case 2, the teeth 393 of the second key shifting wheel 39 are engaged with the shifting lever 37, the first key shifting wheel 38 is engaged with the large interlocking teeth 35, the transfer of the second key shifting wheel 38 drives the pushing of the tail piece 32 of the square tongue 31 by the engagement of the driving teeth 393, so as to push the square tongue 31 to the lock case 1. The first key striking wheel 38 is provided with a key hole 381, symmetrical buckling blocks 382 and driving teeth 383, the key hole 381 arranged on the first key striking wheel 38 is turned outwards and sunken downwards to form a step 384, one end of the buckling block 382 is provided with the driving teeth 383, the lower side of the buckling block 382 is hollow, and the step 384 is buckled in the lock shell hole 24. The second key tumbler 39 is provided with a hole 391, a catching groove 392, a driving tooth 393 and a step 394, wherein the upper arranged through hole 391 and the step 394 correspond to the hole 81 of the lock cover 8, and the lower arranged catching groove 392 are engaged with the catching block 382 of the first key tumbler 38.

Referring to fig. 5, the schematic diagram of the anti-insertion actuator of the present invention includes fig. 5-1 to 5-5, and with reference to fig. 2 and 8, the anti-insertion actuator 4 is arranged on the anti-insertion actuator 4 which is arranged in the combination of the side bar component 7 and the lock shell 2, the anti-insertion actuator 4 is arranged between the dead bolt drive 3 and the dead bolt drive 5, in particular in figure 5, the moving blade 43 and the washer 44 of the anti-jamming actuator 4 are first fixed in the lock housing 2 in a superposed manner, then the anti-inserting tongue 41 is arranged in the anti-inserting tongue hole 712 of the side edge strip assembly 7, after the base 421 is sleeved and connected with the left blocking piece 422 and the right blocking piece 423, the convex part 425 is inserted into the slot 25A and the 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 of the left and right stoppers 422 and 423, the cover plate 424 is buckled on the convex parts 425 of the left blocking piece 422 and the right blocking piece 423 to form the fixed seat 42; secondly, the fixing post 443 is inserted into the slot 455 of the hook sheet 45 to be locked, and the hole 454 of the hook sheet 45 is fixed corresponding to the boss 442 of the gasket 44; finally, the lower column 462 of the anti-plug 46 is sleeved on a torsion spring 465 to be fixed corresponding to the lower column hole 27 of the lock shell, and the concave slot 463 of the anti-plug 46 is clamped behind the contact 329 of the tail plate 32 of the square tongue 31 to form an anti-plug actuating mechanism. Here, the fixing base 42 to be understood may be disassembled into four parts, namely, a base 421, a left block piece 422, a right block piece 423 and a cover plate 424, wherein the base 421 is provided with a convex hole for clamping and fixing the convex position 425 of the left block piece 422 and the right block piece 423, the left block piece 422 and the right block piece 423 are provided with the convex position 425 at the upper and lower parts, and the left block piece 422 and the right block piece 423 are further provided with grooves 422A and 423A for clamping and fixing the hook piece 45.

The moving rack 43 is provided with a hole 431, a tooth 432 and a tact bar 433, and the tooth 432 of the moving rack 43 is engaged with the moving tooth 343 of the small interlocking piece 34.

The hook 45 is provided with a return spring slot 451, a return spring 452, a convex part 453 and a fixed column slot 455, the fixed column slot 455 of the hook 45 is clamped on the fixed column 443 of the gasket 44, the hole 454 of the hook 45 is fastened on the boss 442 of the gasket 44 to be stable, the return spring 452 of the hook 45 is placed in the return spring slot 451 of the hook 45, and one end of the return spring 452 is sleeved in the convex nail 451A of the slot to be fixed.

The anti-plug 46 is provided with a concave 463, and the concave 463 is abutted against the contact 329 of the tail piece 32, so that the anti-plug 46 pushes the square tongue 31 to poke.

As shown in fig. 6, also including fig. 6-1, the latch driving mechanism 5 includes an outer latch 51, an inner latch 52, a connecting member 53, a positioning post 54, a compression spring 55, a hook piece 56, a compression spring 57 and a rivet 58; after the outer latch tongue 51 and the inner latch tongue 52 are buckled, the connecting piece 53 is fixed by a rivet 58 corresponding to a riveting hole 511 of the outer latch tongue 51, the rivet 58 is sleeved with a compression spring 57 and then is riveted to the connecting piece 53 corresponding to a hole 561 of the hook piece 56, and then one end of a compression spring 55 is sleeved at the position of the positioning column 54. The hook sheet 56 is provided with a rivet hole 561, a hook 562 and a bending part 563, one end of the hook sheet 56 is sleeved with the compression spring 55 and the rivet 58 and fixed on the connecting piece 53, the bending part 563 of the hook sheet extends and turns back to form the hook 562, the hook 562 of the hook sheet 56 is touched on the inclined plane 457 of the protruding point 456 of the insertion-proof hook sheet 45, the lock is unlocked by using a key, blocking cannot be generated, and the lock is smoothly opened.

Fig. 7 is an embodiment of the present invention, and fig. 1 to 6 and 8 show the mechanical structure of the lock body of the self-eject and anti-insertion lock body of the present invention, but the motor 66 in the latch bolt shifter assembly 6 may also be installed as an intelligent lock; the motor 66 is arranged in the lock shell and is sleeved with the clutch plate 67 to be clamped with the goat's horn component 6, the power line groove 68 is connected outside the lock shell 2, the power line is led out from the motor 66 and is arranged in the power line groove 68 to be connected with the signal receiver 69, and the multifunctional electronic intelligent lock is very practical. The latch bolt deflector rod assembly 6 comprises a small claw 61, a washer 62, a large claw 63, a latch bolt deflector rod 64 and a return spring 65; the clutch plate is arranged in a T shape, one end of the clutch plate is clamped with the motor 66, then the small claw 61 is buckled in the lock shell 2 corresponding to the hole 28 of the lock shell 2, the washer 62 is buckled on the small claw 61, and then the large claw 63 is buckled on the washer 62 and is buckled with the clutch plate 67; the hole 641 of the latch bolt rod 64 is screwed into the hole of the lock case 2 after the return spring 65 is inserted, the arc 643 of which is positioned in the claw 63, and the clamping jaw 644 is inserted into the latch bolt connecting piece 53 and locked. The square shaft holes 611 and 631 formed by the large claw 63 and the small claw 61 are square shafts sleeved with the handle, when the handle is pressed downwards, the front ends 634 and 613 formed by the large claw 63 and the small claw 61 push the clamping jaws 644 of the latch deflector 64 to press the positioning columns 54 on the latch connecting piece 53 to compress the compression springs 55 to be tightly attached to the bosses 29 of the lock case 2 and reset, and on the contrary, when the handle is lifted upwards, the rear ends 633 and 612 of the large claw 63 and the small claw 61 forcibly press the contact 642 of the latch deflector, the clamping jaws 644 of the latch deflector 64 drive the positioning columns 54 on the latch connecting piece 53 to be pushed into the lock case 2 and reset. When the motor 66 drives the clutch plate 67 to push the ram's horn 63, the latch bolt is pushed into the lock case 2, and the door lock is opened.

Fig. 8 shows the 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 fastening bar cushion block 72 and a fastening bar 73 which are provided with a square tongue hole 711, an anti-inserting tongue hole 712 and a oblique tongue hole 713 respectively, and the fastening bar 73 is locked by a screw corresponding to the screw hole 75 after the rolling shaft 74 is arranged on the fastening bar cushion block 72 during assembly.

The assembly process of the present invention will be described with reference to fig. 3 to 6 and 8, wherein the side plate bar 71 is first placed in the fastening bar pad 72, the rolling shaft 74 is placed on the fastening bar pad 72, the fastening bar 73 is then locked with the square tongue hole 711, the anti-insertion tongue hole 712 and the oblique tongue hole 713, and then the fastening bar 73 is covered with the screw corresponding to the screw hole 75, and the lock case 2 is then locked with the screw 76.

Secondly, the latch bolt driving lever 64 is sleeved with a return spring 65 and is arranged in the hole 25 of the lock shell 2 for fixing; then the oblique tongue driving mechanism 5 is arranged in the lock shell 2 corresponding to the oblique tongue hole 713 of the side plate bar assembly 7 of the lock shell 2, the moving toothed sheet 43 and the gasket 44 are firstly arranged in the lock shell 2 for riveting, after the anti-insertion tongue 41 is arranged corresponding to the anti-insertion tongue hole 712 of the side plate bar assembly 7, the fixed seat 42 is fixedly sleeved with the hook sheet 45 in the lock shell 2, and the lower column 462 of the anti-insertion tongue 46 is sleeved with the torsion spring 465 and then is fixed corresponding to the hole 27 of the lock shell 2.

Finally, the dead bolt driving mechanism 3 is installed, the small linkage tooth 34, the large linkage tooth 35 and the switch shifting piece 36 are firstly overlapped in the hole 21 of the lock shell 2 and locked by the fixing column 331, then one end of the door closing spring 365 is hung on the spring hanging column 363 of the switch shifting piece 36, the other end is hung on the fixing column 366 for fixing, 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 which is locked by a screw 76 and is fixed corresponding to the driving lever hole 25 of the lock shell 2, the other end of the torsion spring 375 is hung on a hanging spring column 376 of the lock shell, a pushing column 372 is arranged in a driving lever groove 323 of a tail plate 32 of the square tongue 31, and the pushing column 372 can push a position B from a position A of the driving lever groove 323 and can also push the position A from the position B; then the first key dial wheel 38 is arranged in the hole 24 of the lock shell 2 to be fixed, the buckling groove 392 of the second key dial wheel 39 is meshed corresponding to the buckling block of the first key dial wheel 38, and then the first key dial wheel is locked by the screw 76 corresponding to the key dial hole 81, the left and right baffle plate clamping grooves 82, the rod square shaft hole clamping position 83, the left and right baffle plate clamping holes 84, the oblique tongue telescopic positioning groove 85, the clutch plate positioning groove 86, the goat's horn fixing hole 87 and the screw hole 88 on the cover 8.

It should be noted that, the key is used to unlock the door lock, and the key is used to toggle the rotating wheel assemblies 38, 39 through the engagement of the driving teeth 383, 393 to drive the toggle rod 37 teeth 373 to push the tail plate 32 of the square tongue 31 to flexibly move in and out of the lock case 2, so that the square tongue 31 is pushed into the lock case 2 to a proper position. When the first key dial wheel 38 rotates continuously, the large linkage teeth 35 are engaged to drive the small linkage teeth 34 to rotate, and the motion teeth 343 of the small linkage teeth 34 are engaged with the motion teeth 431 of the anti-insertion executing mechanism 4 to touch the touch piece 433 of the latch bolt connecting piece 53 to push the latch bolt mechanism to retract into the lock case 2 to a proper position, so that the mechanical key unlocking function of the lock body 1 is achieved. In a word, the action of switching the large interlocking teeth 35 and the small interlocking teeth 34 reduces the torsion when the mechanical key is opened, and the mechanical key is more comfortable to use. In addition, the big interlocking tooth 35 is provided with a convex position 353, the interlocking tooth piece 43 is driven to rotate when the latch bolt assembly is pushed into the lock body, and the convex position 353 end is shifted to the concave position end of the latch bolt shifting block after the latch bolt assembly rotates to the rear half stroke, so that the latch bolt assembly is reset to the lock body to play a role in pushing.

On the contrary, the handle is inserted into the claw square shaft hole through the handle square shaft, the handle is lifted upwards or pressed downwards, the claw of the latch bolt shifting rod is pushed to cling to the fixed column of the connecting piece through the rotation of the claw component to extrude the compression spring to the positioning point 29 of the lock shell 2, so that the latch bolt head extends into the lock shell, the moving tooth piece 43 of the anti-insertion executing mechanism 4 is driven to be meshed with the small linkage tooth 34 of the latch bolt driving mechanism to drive the shifting rod 37 to push the column 372 to be shifted in the shifting rod groove 322 of the latch bolt tail plate 32, and the latch bolt 31 is driven to extend into the lock shell, so that the purpose of opening the door is achieved.

When the door lock is closed, the latch bolt assembly and the anti-insertion opening assembly are pushed into the lock shell, in the pushing process, a protruding end face is arranged in the anti-insertion opening assembly to eject, a self-ejection starting pin in the square bolt assembly protrudes out of a square bolt tail plate, the latch bolt assembly is pushed into the lock shell to be in place to eject, a self-ejection starting hook piece is arranged in the latch bolt assembly, when the latch bolt assembly ejects, the self-ejection starting pin protruding out of the square bolt tail plate in the square bolt assembly is hooked by the self-ejection hook piece to eject together from the lock shell, and when the latch bolt assembly hooks the self-ejection starting pin of the square bolt assembly to eject together, a torsion spring in the square bolt assembly and a torsion spring in the square bolt pull piece reach an upward ejection position to eject together, so that the square bolt assembly is in place. The anti-insertion opening end face arranged in the dead bolt assembly is pushed to the anti-insertion opening end face in the dead bolt assembly, a gap of 3.0mm is reserved between the two contact faces, when the dead bolt is pushed into the lock shell by external force and is pushed to 3.0mm, the anti-insertion opening end face of the dead bolt assembly is pushed to the anti-insertion opening face in the dead bolt assembly, so that the dead bolt assembly cannot be pushed into the lock shell, and the anti-insertion opening effect of the dead bolt assembly in the lock shell is achieved.

The anti-insertion opening structure is disassembled, when the latch bolt pulling block presses the latch bolt assembly to push the latch bolt assembly into the lock shell, a gap of 3.0mm is formed between the latch bolt assembly and the anti-insertion opening end face of the square bolt assembly, the latch bolt pulling block is pressed to the anti-insertion block in the process of pushing the latch bolt assembly into the lock shell by 3.0mm, the anti-insertion block is pressed to the square bolt pulling block, the square bolt pulling block is pressed to the clamping position in the groove formed in the tail plate of the square bolt assembly, and the anti-insertion opening is completed. At the moment, the oblique bolt component presses the square bolt component and pushes the square bolt component into the lock shell together, so that the unlocking effect of the door lock is achieved.

Technical solution of the invention without limitation, although the present invention has been described in detail with reference to the above embodiments, it should 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 (9)

1. A lock body structure of a self-eject and anti-insertion lock is characterized in that the structure comprises a dead bolt driving mechanism and an anti-insertion actuating mechanism which are arranged in a lock shell;

the dead bolt driving mechanism comprises a dead bolt connecting tail piece, a starting reset assembly, a key switch toggle assembly, a deflector rod assembly and a key toggle assembly, and is characterized in that the starting reset assembly is characterized in that an elastic sheet is welded on the tail piece, a starting pin is sleeved with a reset spring and then inserted into a starting pin hole of the tail piece, when the door lock is closed, a self-elastic starting pin of the dead bolt tail piece pops out of the lock shell, and the aim of self-ejecting the dead bolt when the door lock is closed is fulfilled;

the key switch toggle assembly comprises a torsion spring, a small linkage tooth, a large linkage tooth and a switch toggle piece, and is characterized in that holes formed in the small linkage tooth, the large linkage tooth and the switch toggle piece are sequentially overlapped and then fixed in a lock shell by a fixing column, 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 spring hanging column of the switch toggle piece;

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 the hanging spring column of the 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 the tail piece;

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

the anti-insertion executing mechanism comprises an anti-insertion tongue, a fixed seat, a moving toothed sheet, a gasket, a hook sheet and an anti-insertion unlocking mechanism, and is characterized in that the gasket is superposed on the moving toothed sheet 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 sheet is inserted into a fixed column on the gasket and clamped, the other end of the hook sheet is inserted into an inlet of the fixed seat, and the anti-insertion unlocking tongue is sleeved with a torsion spring and then correspondingly arranged in a hole of the lock shell to form the anti-insertion executing mechanism.

2. The lock body structure of a self-eject and anti-mortise lock as claimed in claim 1, wherein the small interlocking teeth of the key switch toggle assembly are provided with a hole, a stopper and moving teeth;

the big interlocking teeth are provided with holes, movable grooves, convex positions and interlocking teeth;

the switch shifting piece is provided with a hole, a return antenna and a hanging spring column.

3. A lock body structure of a self-eject and anti-mortise lock as claimed in claim 1 or 2, wherein said large interlocking teeth are provided with protruding portions for driving the large interlocking teeth to rotate when the latch bolt assembly is pushed into the lock case, and after the latch bolt assembly rotates to the latter half, the protruding portions are shifted to the concave portions of the latch bolt driver so that the latch bolt assembly is restored to the lock case for pushing.

4. The lock body structure of a self-eject and anti-mortise lock as claimed in claim 1, wherein the poke rod teeth of said poke rod assembly are engaged with the driving teeth of the second key poke wheel, and the concave position of the poke rod is collided with the feeler of the moving blade to return the locking dog to the proper position.

5. The lock body structure of a self-eject and anti-mortise lock as claimed in claim 1, wherein the first key striking wheel of the key striking assembly is provided with a key hole, a symmetrical button block and a driving tooth, and the key hole formed on the first key striking wheel is turned outwards and recessed to form a step, and the driving tooth is formed at one end of the button block, and the lower surface is hollow and is provided with the step to be fastened to the lock case hole.

6. The lock body structure of a self-eject and anti-mortise lock as claimed in claim 1 or 5, wherein the second key striking wheel of the key striking assembly is provided with a hole, a catching groove, a driving tooth and a step, wherein the upper through hole and the step are provided corresponding to the lock cover hole, and the lower catching groove is engaged with the catching block of the first key striking wheel.

7. The lock body structure of a self-eject and anti-mortise lock as claimed in claim 1, wherein the moving teeth of the anti-mortise actuator are provided with holes, teeth and touch levers, and the teeth of the moving teeth are engaged with the moving teeth of the small interlocking plate.

8. The lock body structure of a self-eject and anti-jam lock as claimed in claim 1 or 7, wherein the hook piece of the anti-jam actuator is provided with a return spring slot, a return spring, a boss and a fixing post slot, the fixing post slot of the hook piece is clipped on the fixing post of the pad, the hole of the hook piece is clipped on the boss of the pad for stabilization, the return spring of the hook piece is placed in the hook piece return spring slot, and one end of the return spring is fixed by the boss pin of the slot.

9. The lock body structure of a self-eject and anti-mortise lock as claimed in claim 1, wherein the anti-mortise actuator is provided with a recess for abutting against the contact point of the tail piece to achieve the anti-mortise pushing of the dead bolt.

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